MFS INSTITUTIONAL TRUST
485BPOS, 2000-10-27
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<PAGE>


    As filed with the Securities and Exchange Commission on October 27, 2000

                                                     1933 Act File No. 33-37615
                                                     1940 Act File No. 811-6174

==============================================================================
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                               ---------------

                                    FORM N-1A
                             REGISTRATION STATEMENT
                                      UNDER
                           THE SECURITIES ACT OF 1933

                         POST-EFFECTIVE AMENDMENT NO. 20


                                       AND

                             REGISTRATION STATEMENT
                                      UNDER
                       THE INVESTMENT COMPANY ACT OF 1940

                                AMENDMENT NO. 24


                           MFS(R) INSTITUTIONAL TRUST
               (Exact Name of Registrant as Specified in Charter)

              500 Boylston, Street, Boston, Massachusetts 02116
                   (Address of Principal Executive Offices)

      Registrant's Telephone Number, Including Area Code: (617) 954-5000
          Stephen E. Cavan, Massachusetts Financial Services Company
               500 Boylston Street, Boston, Massachusetts 02116
                   (Name and Address of Agent for Service)

                APPROXIMATE DATE OF PROPOSED PUBLIC OFFERING:
It is proposed that this filing will become effective (check appropriate box)


|X| immediately upon filing pursuant to paragraph (b)
|_| on [date] pursuant to paragraph (b)
|_| 60 days after filing pursuant to paragraph (a)(i)
|_| on [date] pursuant to paragraph (a)(i)
|_| 75 days after filing pursuant to paragraph (a)(ii)
|_| on [date] pursuant to paragraph (a)(ii) of rule 485.


If appropriate, check the following box:
|_| this post-effective amendment designates a new effective date for a
    previously filed post-effective amendment

==============================================================================
<PAGE>

                                                      --------------------------
                                                      MFS(R) INSTITUTIONAL TRUST
                                                      --------------------------
                                                      NOVEMBER 1, 2000

                                                                      PROSPECTUS
--------------------------------------------------------------------------------


This Prospectus describes eight funds of the MFS Institutional Trust (referred
to as the Trust):

 1. MFS INSTITUTIONAL GLOBAL FIXED INCOME FUND (referred to as the Global
    Fund) seeks income and capital appreciation.

 2. MFS INSTITUTIONAL HIGH YIELD FUND (referred to as the High Yield Fund)
    seeks high current income.

 3. MFS INSTITUTIONAL CORE EQUITY FUND (referred to as the Core Equity Fund)
    seeks long-term growth of capital generally consistent with that of a
    diversified large cap portfolio and income equal to approximately 90% of
    the dividend yield on the Standard & Poor's 500 Composite Stock Index
    ("S&P 500").

 4. MFS INSTITUTIONAL RESEARCH FUND (referred to as the Research Fund) seeks
    long-term growth of capital.

 5. MFS INSTITUTIONAL LARGE CAP GROWTH FUND (referred to as the Large Cap
    Fund) seeks long-term growth of capital.

 6. MFS INSTITUTIONAL MID CAP GROWTH FUND (referred to as the Mid Cap Fund)
    seeks long-term growth of capital.

 7. MFS INSTITUTIONAL EMERGING EQUITIES FUND (referred to as the Emerging
    Equities Fund) seeks long-term growth of capital.

 8. MFS INSTITUTIONAL INTERNATIONAL EQUITY FUND (referred to as the
    International Equity Fund) seeks long-term growth of capital.

THE SECURITIES AND EXCHANGE COMMISSION HAS NOT APPROVED OR DISAPPROVED THE
FUNDS' SHARES OR DETERMINED WHETHER THIS PROSPECTUS IS ACCURATE OR COMPLETE.
ANYONE WHO TELLS YOU OTHERWISE IS COMMITTING A CRIME.

<PAGE>

-----------------
TABLE OF CONTENTS
-----------------

                                                                          Page
I     Expense Summary ..................................................     1


II    Risk Return Summary ..............................................     2
       1. Global Fund ..................................................     2
       2. High Yield Fund ..............................................     7
       3. Core Equity Fund .............................................    10
       4. Research Fund ................................................    12
       5. Large Cap Fund ...............................................    14
       6. Mid Cap Fund .................................................    16
       7. Emerging Equities Fund .......................................    19
       8. International Equity Fund ....................................    21

III   Certain Investment Strategies and Risks ..........................    24

IV    Management of the Funds ..........................................    25

V     Description of Shares ............................................    26

VI    How to Purchase, Exchange and Redeem Shares ......................    26

VII   Other Information ................................................    28


VIII  Financial Highlights .............................................    30

      Appendix A -- Investment Techniques and Practices ................   A-1
<PAGE>

------------------
I EXPENSE SUMMARY
------------------

o   EXPENSE TABLE

    This table describes the expenses that you may pay when you hold shares of
    the funds.

<TABLE>

    ANNUAL FUND OPERATING EXPENSES (expenses that are deducted from fund assets):
    ...................................................................................................................
<CAPTION>
                                                                                   HIGH          CORE
                                                                  GLOBAL           YIELD         EQUITY        RESEARCH
                                                                   FUND            FUND           FUND           FUND
                                                                   -----          -----          -----          -----
    <S>                                                            <C>            <C>            <C>            <C>
    Management Fee ......................................          0.65 %         0.50 %         0.60 %         0.60 %
    Other Expenses ......................................          0.42 %         2.11 %         0.44 %         0.17 %
                                                                   -----          -----          -----          -----
    Total Annual Fund Operating Expenses ................          1.07 %         2.61 %         1.04 %         0.77 %
        Fee Waiver/Expense Reimbursement ................         (0.41)%(1)     (1.93)%(1)     (0.48)%(1)     (0.21)%(1)
                                                                   -----          -----          -----          -----
        Net Expenses(2) .................................          0.66 %         0.68 %         0.56 %         0.56 %

<CAPTION>
                                                                   LARGE                       EMERGING     INTERNATIONAL
                                                                   CAP            MID CAP      EQUITIES        EQUITY
                                                                   FUND           FUND           FUND           FUND
                                                                   -----          -----          -----          -----
    Management Fee ......................................          0.75 %         0.60 %         0.75 %         0.75 %
    Other Expenses ......................................          1.12 %         0.15 %         0.07 %         0.37 %
                                                                   -----          -----          -----          -----
    Total Annual Fund Operating Expenses ................          1.87 %         0.75 %         0.82 %         1.12 %
        Fee Waiver/Expense Reimbursement ................         (1.31)%(1)     (0.03)%(1)       N/A          (0.27)%(1)
                                                                   -----          -----          -----          -----
        Net Expenses(2) .................................          0.56 %         0.72 %         0.82 %         0.85 %

    ------
    (1) MFS has contractually agreed to waive a portion of the management fee paid by Core Equity Fund and Research
       Fund equal to 0.05% annually and Large Cap Fund equal to 0.25% annually, and MFS has contractually agreed to
       bear each fund's expenses, such that "Other Expenses," after taking into account the expense offset arrangement
       described below, do not exceed 0.15% for the High Yield Fund, 0.10% for the International Equity Fund, 0.00%
       for the Global Fund, Core Equity Fund, and Research Fund and 0.05% for each remaining fund. These contractual
       fee arrangements will continue until at least November 1, 2001, unless changed with the consent of the board of
       trustees which oversees the funds.
    (2) Each fund has an expense offset arrangement which reduces the fund's custodian fee based upon the amount of
       cash maintained by the fund with its custodian and dividend disbursing agent, and may enter into other such
       arrangements and directed brokerage arrangements (which would also have the effect of reducing the fund's
       expenses). Any such fee reductions are not reflected in the table. Had these fee reductions been taken into
       account, "Net Expenses" would be lower for certain funds, and would equal: Global Fund, 0.65%, High Yield Fund,
       0.65%, Core Equity Fund, 0.55%, Research Fund, 0.55%, Large Cap Fund, 0.55%, Mid Cap Fund, 0.71%, Emerging
       Equities Fund, 0.81%, International Equity Fund, 0.85%.

</TABLE>

o   EXAMPLE OF EXPENSES

    These examples are intended to help you compare the cost of investing in a
    fund with the cost of investing in other mutual funds.

    The examples assume that:

    o You invest $10,000 in the fund for the time periods indicated and you
      redeem your shares at the end of the time periods;

    o Your investment has a 5% return each year and dividends and other
      distributions are reinvested; and

    o The fund's operating expenses remain the same, except that the fund's
      total operating expenses are assumed to be the fund's "Net Expenses" for
      the first year, and the fund's "Total Annual Fund Operating Expenses" for
      subsequent years (see the table above).

    Although your actual costs may be higher or lower, under these assumptions
    your costs would be:
<TABLE>
<CAPTION>
                                                                                                 PERIOD
                                                                                ----------------------------------------------
    SERIES                                                                       1 YEAR       3 YEARS      5 YEARS     10 YEARS
    --------------------------------------------------------------------------------------------------------------------------

    <S>                                                                            <C>         <C>         <C>          <C>
    Global Fund                                                                    $67         $300        $  550       $1,269
    High Yield Fund                                                                 69          627         1,212        2,800
    Core Equity Fund                                                                57          283           527        1,228
    Research Fund                                                                   57          225           407          935
    Large Cap Fund                                                                  57          460           889        2,083
    Mid Cap Fund                                                                    77          240           417          930
    Emerging Equities Fund                                                          84          262           455        1,014
    International Equity Fund                                                       87          329           591        1,339
</TABLE>


<PAGE>

-----------------------
II RISK RETURN SUMMARY
-----------------------

    INVESTMENT STRATEGIES WHICH ARE COMMON TO ALL FUNDS ARE DESCRIBED UNDER
    THE CAPTION "CERTAIN INVESTMENT STRATEGIES AND RISKS."


    1:  GLOBAL FUND
    ..........................................................................


o   INVESTMENT OBJECTIVE


    The fund's investment objective is to provide income and capital
    appreciation. This objective may be changed without shareholder approval.


o   PRINCIPAL INVESTMENT POLICIES

    The fund invests, under normal market conditions, at least 80% of its
    total assets in global fixed income securities. These may include:

    o U.S. Government securities, which are bonds or other debt obligations
      issued by, or whose principal and interest payments are guaranteed or
      supported by, the U.S. Government or one of its agencies or
      instrumentalities;

    o Foreign government securities, which are bonds or other debt obligations
      issued by foreign governments, including emerging market governments;
      these foreign government securities are either:

        > Issued, guaranteed or supported as to payment of principal and
          interest by foreign governments, foreign government agencies, foreign
          semi-governmental entities, or supra-national entities;

        > Interests issued by entities organized and operated for the purpose of
          restructuring the investment characteristics of foreign government
          securities; or

        > Brady Bonds, which are long-term bonds issued as part of a
          restructuring of defaulted commercial loans to emerging market
          countries;

    o Corporate bonds, which are bonds or other debt obligations issued by
      domestic or foreign (including emerging market) corporations or other
      similar entities; the fund may invest in:


        > Investment grade bonds, which are bonds assigned higher credit ratings
          by credit rating agencies or which are unrated and considered by
          Massachusetts Financial Services Company (referred to as MFS or the
          adviser) to be comparable to higher rated bonds;


        > Lower rated bonds, commonly known as junk bonds, which are bonds
          assigned low credit ratings by credit rating agencies or which are
          unrated and considered by MFS to be comparable to lower rated bonds;
          and

        > Crossover bonds, which are junk bonds that MFS expects will appreciate
          in value due to an anticipated upgrade in the issuer's credit rating
          (thereby crossing over into investment grade bonds);

    o Mortgage-backed and asset-backed securities, which represent interests in
      a pool of assets such as mortgage loans, car loan receivables or credit
      card receivables.


      A company's principal activities are determined to be located in a
    particular country if the company (a) is organized under the laws of, and
    maintains a principal office in, a country, (b) has its principal
    securities trading market in a country, (c) derives 50% of its total
    revenues from goods or services performed in the country, or (d) has 50%
    or more of its assets in the country. Under normal market conditions, the
    fund invests in at least three countries, one of which may be the U.S.


      The fund is non-diversified. This means that the fund may invest a
    relatively high percentage of its assets in a small number of issuers. The
    fund may invest a substantial amount of its assets (i.e., more than 25% of
    its assets) in issuers located in a single country or a limited number of
    countries.

      In selecting fixed income investments for the fund, MFS considers the
    views of its large group of fixed income portfolio managers and research
    analysts. This group periodically assesses the three-month total return
    outlook for various segments of the fixed income markets. This three-month
    "horizon" outlook is used by the portfolio manager(s) of MFS' fixed income
    oriented funds (including the fund) as a tool in making or adjusting a
    fund's asset allocations to various segments of the fixed income markets.
    In assessing the credit quality of fixed income securities, MFS does not
    rely solely on the credit ratings assigned by credit rating agencies, but
    rather performs its own independent credit analysis.

      The fund may invest in derivative securities. Derivatives are securities
    whose value may be based on other securities, currencies, interest rates
    or indices. Derivatives include:

    o Futures and forward contracts;

    o Options on futures contracts, foreign currencies, securities and bond
      indices;

    o Structured notes and indexed securities; and

    o Swaps, caps, floors and collars.

o   PRINCIPAL RISKS

    The principal risks of investing in the fund and the circumstances
    reasonably likely to cause the value of your investment in the fund to
    decline are described below. The share price of the fund generally changes
    daily based on market conditions and other factors. Please note that there
    are many circumstances which could cause the value of your investment in
    the fund to decline, and which could prevent the fund from achieving its
    objective, that are not described here.

    The principal risks of investing in the fund are:

    o Foreign Securities Risk: Investments in foreign securities involve risks
      relating to political, social and economic developments abroad, as well as
      risks resulting from the differences between the regulations to which U.S.
      and foreign issuers and markets are subject:

        > These risks may include the seizure by the government of company
          assets, excessive taxation, withholding taxes on dividends and
          interest, limitations on the use or transfer of portfolio assets, and
          political or social instability.

        > Enforcing legal rights may be difficult, costly and slow in foreign
          countries, and there may be special problems enforcing claims against
          foreign governments.

        > Foreign companies may not be subject to accounting standards or
          governmental supervision comparable to U.S. companies, and there may
          be less public information about their operations.

        > Foreign markets may be less liquid and more volatile than U.S.
          markets.


        > Foreign securities often trade in currencies other than the U.S.
          dollar, and the fund may directly hold foreign currencies and purchase
          and sell foreign currencies through forward exchange contracts.
          Changes in currency exchange rates will affect the fund's net asset
          value, the value of dividends and interest earned, and gains and
          losses realized on the sale of securities. An increase in the strength
          of the U.S. dollar relative to these other currencies may cause the
          value of the fund to decline. Certain foreign currencies may be
          particularly volatile, and foreign governments may intervene in the
          currency markets, causing a decline in value or liquidity in the
          fund's foreign currency holdings. By entering into forward foreign
          currency exchange contracts, the fund may be required to forego the
          benefits of advantageous changes in exchange rates and, in the case of
          forward contracts entered into for the purposes of increasing return,
          the fund may sustain losses which will reduce its gross income.
          Forward foreign currency exchange contracts involve the risk that the
          party with which the fund enters into the contract may fail to perform
          its obligations to the fund.

    o Emerging Markets Risk: Emerging markets are generally defined as countries
      in the initial stages of their industrialization cycles with low per
      capita income. The markets of emerging markets countries are generally
      more volatile than the markets of developed countries with more mature
      economies. All of the risks of investing in foreign securities described
      above are heightened by investing in emerging markets countries.

    o Non-Diversified Status Risk: Because the fund may invest a higher
      percentage of its assets in a small number of issuers, the fund is more
      susceptible to any single economic, political or regulatory event
      affecting those issuers than is a diversified fund.


    o Concentration Risk: Because the fund may invest a substantial amount of
      its assets in issuers located in a single country or a limited number of
      countries, economic, political and social conditions in these countries
      will have a significant impact on its investment performance.

    o Allocation Risk: The fund will allocate its investments among various
      segments of the fixed income markets based upon judgments made by MFS. The
      fund could miss attractive investment opportunities by underweighting
      markets where there are significant returns, and could lose value by
      overweighting markets where there are significant declines.

    o Interest Rate Risk: When interest rates rise, the prices of fixed income
      securities in the fund's portfolio will generally fall. Conversely, when
      interest rates fall, the prices of fixed income securities in the fund's
      portfolio will generally rise.

    o Maturity Risk: Interest rate risk will generally affect the price of a
      fixed income security more if the security has a longer maturity. Fixed
      income securities with longer maturities will therefore be more volatile
      than other fixed income securities with shorter maturities. Conversely,
      fixed income securities with shorter maturities will be less volatile but
      generally provide lower returns than fixed income securities with longer
      maturities. The average maturity of the fund's fixed income investments
      will affect the volatility of the fund's share price.

    o Credit Risk: Credit risk is the risk that the issuer of a fixed income
      security will not be able to pay principal and interest when due. Rating
      agencies assign credit ratings to certain fixed income securities to
      indicate their credit risk. The price of a fixed income security will
      generally fall if the issuer defaults on its obligation to pay principal
      or interest, the rating agencies downgrade the issuer's credit rating or
      other news affects the market's perception of the issuer's credit risk.

    o Liquidity Risk: The fixed income securities purchased by the fund may be
      traded in the over-the-counter (OTC) market rather than on an organized
      exchange and are subject to liquidity risk. This means that they may be
      harder to purchase or sell at a fair price. The inability to purchase or
      sell these fixed income securities at a fair price could have a negative
      impact on the fund's performance.

    o Junk Bond Risk:

        > Higher Credit Risk: Junk bonds (including crossover bonds) are subject
          to a substantially higher degree of credit risk than higher rated
          bonds. During recessions, a high percentage of issuers of junk bonds
          may default on payments of principal and interest. The price of a junk
          bond may therefore fluctuate drastically due to bad news about the
          issuer or the economy in general.

        > Higher Liquidity Risk: During recessions and periods of broad market
          declines, junk bonds could become less liquid, meaning that they will
          be harder to value or sell at a fair price.

    o Mortgage and Asset-Backed Securities:

        > Maturity Risk:

            + Mortgage-Backed Securities: A mortgage-backed security will mature
              when all the mortgages in the pool mature or are prepaid.
              Therefore, mortgage-backed securities do not have a fixed
              maturity, and their expected maturities may vary when interest
              rates rise or fall.

                >> When interest rates fall, homeowners are more likely to
                   prepay their mortgage loans. An increased rate of prepayments
                   on the fund's mortgage-backed securities will result in an
                   unforeseen loss of interest income to the fund as the fund
                   may be required to reinvest assets at a lower interest rate.
                   Because prepayments increase when interest rates fall, the
                   price of mortgage-backed securities does not increase as much
                   as other fixed income securities when interest rates fall.

                >> When interest rates rise, homeowners are less likely to
                   prepay their mortgage loans. A decreased rate of prepayments
                   lengthens the expected maturity of a mortgage-backed
                   security. Therefore, the prices of mortgage-backed securities
                   may decrease more than prices of other fixed income
                   securities when interest rates rise.

            + Collateralized Mortgage Obligations: The fund may invest in
              mortgage-backed securities called collateralized mortgage
              obligations (CMOs). CMOs are issued in separate classes with
              different stated maturities. As the mortgage pool experiences
              prepayments, the pool pays off investors in classes with shorter
              maturities first. By investing in CMOs, the fund may manage the
              prepayment risk of mortgage-backed securities. However,
              prepayments may cause the actual maturity of a CMO to be
              substantially shorter than its stated maturity.

            + Asset-Backed Securities: Asset-backed securities have prepayment
              risks similar to mortgage-backed securities.

        > Credit Risk: As with any fixed income security, mortgage-backed and
          asset-backed securities are subject to the risk that the issuer will
          default on principal and interest payments. It may be difficult to
          enforce rights against the assets underlying mortgage-backed and
          asset-backed securities in the case of default. The U.S. Government or
          its agencies may guarantee the payment of principal and interest on
          some mortgage-backed securities. Mortgage-backed securities and
          asset-backed securities issued by private lending institutions or
          other financial intermediaries may be supported by insurance or other
          forms of guarantees.

    o Derivatives Risk:

        > Hedging Risk: When a derivative is used as a hedge against an opposite
          position that the fund also holds, any loss generated by the
          derivative should be substantially offset by gains on the hedged
          investment, and vice versa. While hedging can reduce or eliminate
          losses, it can also reduce or eliminate gains.

        > Correlation Risk: When the fund uses derivatives to hedge, it takes
          the risk that changes in the value of the derivative will not match
          those of the asset being hedged. Incomplete correlation can result in
          unanticipated losses.

        > Investment Risk: When the fund uses derivatives as an investment
          vehicle to gain market exposure, rather than for hedging purposes, any
          loss on the derivative investment will not be offset by gains on
          another hedged investment. The fund is therefore directly exposed to
          the risks of that derivative. Gains or losses from derivative
          investments may be substantially greater than the derivative's
          original cost.

        > Availability Risk: Derivatives may not be available to the fund upon
          acceptable terms. As a result, the fund may be unable to use
          derivatives for hedging or other purposes.

        > Credit Risk: When the fund uses derivatives, it is subject to the risk
          that the other party to the agreement will not be able to perform.

    o Active or Frequent Trading Risk: The fund has engaged and may engage in
      active and frequent trading to achieve its principal investment
      strategies. This may result in the realization and distribution to
      shareholders of higher net capital gains as compared to a fund with less
      active trading policies, which could increase your tax liability. Frequent
      trading also increases transaction costs, which could detract from the
      fund's performance.

    o As with any mutual fund, you could lose money on your investment in the
      fund.

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

o   BAR CHART AND PERFORMANCE TABLE

    The bar chart and performance table below are intended to indicate some of
    the risks of investing in the fund by showing changes in the fund's
    performance over time. The performance table also shows how the fund's
    performance over time compares with that of one or more broad measures of
    market performance. The chart and table provide past performance
    information. The fund's past performance does not necessarily indicate how
    the fund will perform in the future. The performance information in the
    chart and table is based upon calendar year periods, while the performance
    information presented under the caption "Financial Highlights" and in the
    fund's shareholder reports is based upon the fund's fiscal year.
    Therefore, these performance results differ.

    BAR CHART

    The bar chart shows changes in the annual total returns of the fund's
    shares for each calendar year since they were first offered, assuming the
    reinvestment of distributions.

               1993                16.99%
               1994                (5.06)%
               1995                15.49%
               1996                 4.78%
               1997                (0.40)%
               1998                15.94%
               1999                (4.27)%


----------
    The total return for the year-to-date period ended June 30, 2000, was
    (0.69)%. During the period shown in the bar chart the highest quarterly
    return was 10.39% (for the calendar quarter ended September 30, 1998) and
    the lowest quarterly return was (5.69)% (for the calendar quarter ended
    March 31, 1994).


      If you would like the fund's current yield, contact the MFS Service
    Center at the toll-free number set forth on the back
    cover page.

<PAGE>

    PERFORMANCE TABLE

    This table shows how the average annual total returns of the fund's shares
    compares to a broad measure of market performance and assumes the
    reinvestment of distributions.

<TABLE>

    AVERAGE ANNUAL TOTAL RETURNS AS OF DECEMBER 31, 1999
    .........................................................................................................................
<CAPTION>
                                                                      1 Year                 5 Years                    Life*

<S>                                                                   <C>                       <C>                     <C>
    Global Fund                                                       (4.27)%                   5.99%                   5.00%

    Salomon Brothers World Government Bond Index+**                   (4.27)%                   6.42%                   5.98%

    Average global income fund++                                      (2.42)%                   6.36%                   5.43%

    ------
     * "Life" refers to the period from the commencement of the fund's investment operations, September 30, 1992, through
       December 31, 1999. Index and Lipper average returns are from October 1, 1992.
     + Source: Standard & Poor's Micropal, Inc.
    ++ Source: Lipper, Inc.
    ** The Salomon Brothers World Government Bond Index is a broad-based, unmanaged index consisting of complete universes of
       government bonds with remaining maturities of at least five years.

</TABLE>

<PAGE>


    2:  HIGH YIELD FUND
    ............................................................................


o   INVESTMENT OBJECTIVE


    The fund's investment objective is to seek high current income. This
    objective may be changed without shareholder approval.


o   PRINCIPAL INVESTMENT POLICIES

    The fund invests, under normal market conditions, at least 80% of its
    total assets in a professionally managed portfolio of high income fixed
    income securities. While the fund may invest in fixed income securities
    with any credit rating, under normal conditions at least 65% of the fund's
    total assets will be invested in lower rated bonds commonly known as junk
    bonds. Lower rated bonds are assigned lower credit ratings by credit
    rating agencies or are unrated and considered by MFS to be comparable to
    lower rated bonds.

      While the fund focuses its investments on bonds issued by corporations
    or other similar entities, it may invest in all types of debt securities.
    The fund may invest in foreign securities (including emerging markets
    securities), through which it may have exposure to foreign currencies.

      In selecting fixed income investments for the fund, MFS considers the
    views of its large group of fixed income portfolio managers and research
    analysts. This group periodically assesses the three-month total return
    outlook for various segments of the fixed income markets. This three-month
    "horizon" outlook is used by the portfolio manager(s) of MFS' fixed income
    oriented funds (including the fund) as a tool in making or adjusting a
    fund's asset allocations to various segments of the fixed income markets.
    In assessing the credit quality of fixed income securities, MFS does not
    rely solely on the credit ratings assigned by credit rating agencies, but
    rather performs its own independent credit analysis.

      Consistent with its objective and policies, the fund may also invest in
    equity securities, including common stock and related securities, such as
    preferred stock, convertible securities and depositary receipts.
    Convertible securities are debt obligations or preferred stock that may be
    converted within a specified period of time into a certain amount of
    common stock of the same or a different issuer.

o   PRINCIPAL RISKS

    The principal risks of investing in the fund and the circumstances
    reasonably likely to cause the value of your investment in the fund to
    decline are described below. The share price of the fund generally changes
    daily based on market conditions and other factors. Please note that there
    are many circumstances which could cause the value of your investment in
    the fund to decline, and which could prevent the fund from achieving its
    objective, that are not described here.

    The principal risks of investing in the fund are:

    o Allocation Risk: The fund will allocate its investments among fixed income
      markets based upon judgments made by MFS. The fund could miss attractive
      investment opportunities by underweighting markets where there are
      significant returns, and could lose value by overweighting markets where
      there are significant declines.

    o Interest Rate Risk: When interest rates rise, the prices of fixed income
      securities in the fund's portfolio will generally fall. Conversely, when
      interest rates fall, the prices of fixed income securities in the fund's
      portfolio will generally rise.

    o Maturity Risk: Interest rate risk will affect the price of a fixed income
      security more if the security has a longer maturity because changes in
      interest rates are increasingly difficult to predict over longer periods
      of time. Fixed income securities with longer maturities will therefore be
      more volatile than other fixed income securities with shorter maturities.
      Conversely, fixed income securities with shorter maturities will be less
      volatile but generally provide lower returns than fixed income securities
      with longer maturities. The average maturity of the fund's fixed income
      investments will affect the volatility of the fund's share price.

    o Credit Risk: Credit risk is the risk that the issuer of a fixed income
      security will not be able to pay principal and interest when due. Rating
      agencies assign credit ratings to certain fixed income securities to
      indicate their credit risk. The price of a fixed income security will
      generally fall if the issuer defaults on its obligation to pay principal
      or interest, the rating agencies downgrade the issuer's credit rating or
      other news affects the market's perception of the issuer's credit risk.


    o Liquidity Risk: The fixed income securities purchased by the fund may be
      traded in the OTC market rather than on an organized exchange and are
      subject to liquidity risk. This means that they may be harder to purchase
      or sell at a fair price. The inability to purchase or sell these fixed
      income securities at a fair price could have a negative impact on the
      fund's performance.


    o Junk Bond Risk:

        > Higher Credit Risk: Junk bonds are subject to a substantially higher
          degree of credit risk than higher rated bonds. During recessions, a
          high percentage of issuers of junk bonds may default on payments of
          principal and interest. The price of a junk bond may therefore
          fluctuate drastically due to bad news about the issuer or the economy
          in general.

        > Higher Liquidity Risk: During recessions and periods of broad market
          declines, junk bonds could become less liquid, meaning that they will
          be harder to value or sell at a fair price.

    o Foreign Securities Risk: Investments in foreign securities involve risks
      relating to political, social and economic developments abroad, as well as
      risks resulting from the differences between the regulations to which U.S.
      and foreign issuers and markets are subject:

        > These risks may include the seizure by the government of company
          assets, excessive taxation, withholding taxes on dividends and
          interest, limitations on the use or transfer of portfolio assets, and
          political or social instability.

        > Enforcing legal rights may be difficult, costly and slow in foreign
          countries, and there may be special problems enforcing claims against
          foreign governments.

        > Foreign companies may not be subject to accounting standards or
          governmental supervision comparable to U.S. companies, and there may
          be less public information about their operations.

        > Foreign markets may be less liquid and more volatile than U.S.
          markets.


        > Foreign securities often trade in currencies other than the U.S.
          dollar, and the fund may directly hold foreign currencies and purchase
          and sell foreign currencies through forward exchange contracts.
          Changes in currency exchange rates will affect the fund's net asset
          value, the value of dividends and interest earned, and gains and
          losses realized on the sale of securities. An increase in the strength
          of the U.S. dollar relative to these other currencies may cause the
          value of the fund to decline. Certain foreign currencies may be
          particularly volatile, and foreign governments may intervene in the
          currency markets, causing a decline in value or liquidity in the
          fund's foreign currency holdings. By entering into forward foreign
          currency exchange contracts, the fund may be required to forego the
          benefits of advantageous changes in exchange rates and, in the case of
          forward contracts entered into for the purpose of increasing return,
          the fund may sustain losses which will reduce its gross income.
          Forward foreign currency exchange contracts involve the risk that the
          party with which the fund enters into the contract may fail to perform
          its obligations to the fund.

    o Emerging Markets Risk: Emerging markets are generally defined as countries
      in the initial stages of their industrialization cycles with low per
      capita income. The markets of emerging markets countries are generally
      more volatile than the markets of developed countries with more mature
      economies. All of the risks of investing in foreign securities described
      above are heightened by investing in emerging markets countries.

    o Market Risk: This is the risk that the price of a security held by the
      fund will fall due to changing economic, political or market conditions or
      disappointing earnings results.


    o Company Risk: Prices of securities react to the economic condition of the
      company that issued the security. The fund's equity investments in an
      issuer may rise and fall based on the issuer's actual and anticipated
      earnings, changes in management and the potential for takeovers and
      acquisitions.

    o As with any mutual fund, you could lose money on your investment in the
      fund.

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

o   BAR CHART AND PERFORMANCE TABLE


    The bar chart and performance table below are intended to indicate some of
    the risks of investing in the fund by showing changes in the fund's
    performance over time. The performance table also shows how the fund's
    performance over time compares with that of one or more broad measures of
    market performance. The chart and table provide past performance
    information. The fund's past performance does not necessarily indicate how
    the fund will perform in the future. The performance information in the
    chart and table is based upon calendar year periods, while the performance
    information presented under the caption "Financial Highlights" and in the
    fund's shareholder reports is based upon the fund's fiscal year.
    Therefore, these performance results differ.

    BAR CHART

    The bar chart shows changes in the annual total returns of the fund shares
    for each calendar year since they were first offered, assuming the
    reinvestment of distributions.


                    1999                5.18%


----------
    The total return for the year-to-date period ended June 30, 2000, was
    (1.15)%. During the period shown in the bar chart, the highest quarterly
    return was 2.65% (for the calendar quarter ended December 31, 1999) and
    the lowest quarterly return was (0.91)% (for the calendar quarter ended
    September 30, 1999).

    PERFORMANCE TABLE

    This table shows how the average annual total returns of the fund's shares
    compares to a broad measure of market performance and assumes the
    reinvestment of distributions.

    AVERAGE ANNUAL TOTAL RETURNS AS OF DECEMBER 31, 1999
    .........................................................................
                                                                       1 Year*

    High Yield Fund                                                      5.18%

    Salomon Brothers High Yield Market Index+**                          1.73%

    Average high current yield fund++                                    4.53%

    ------
     * Fund performance figures are for the period from the commencement of
       the fund's investment operations, December 31, 1998, through December
       31, 1999. Index and Lipper average returns are from January 1, 1999.
     + Source: Standard & Poor's Micropal, Inc.
    ++ Source: Lipper Inc.
    ** The Salomon Brothers High Yield Market Index is a broad-based, popular,
       unmanaged index of noninvestment grade corporate debt.


<PAGE>


    3:  CORE EQUITY FUND
    ..........................................................................

o   INVESTMENT OBJECTIVE

    The fund's investment objective is to provide long-term growth of capital
    generally consistent with that of a diversified large cap portfolio and
    income equal to approximately 90% of the dividend yield of the S&P 500.
    This objective may be changed without shareholder approval.


o   PRINCIPAL INVESTMENT POLICIES

    The fund invests at least 80% of its total assets in common stocks and
    related securities, such as preferred stocks, convertible securities and
    depositary receipts for those securities, of large well-established
    companies similar to those found in the S&P 500. Equity securities may be
    listed on a securities exchange or traded in the over-the-counter markets.
    The fund focuses on companies that MFS believes have sustainable growth
    prospects and attractive valuations based on current and expected earnings
    or cash flow.

      MFS uses a bottom-up, as opposed to a top-down, investment style in
    managing the equity-oriented funds (such as the fund) it advises. This
    means that securities are selected based upon fundamental analysis (such
    as an analysis of earnings, cash flows, competitive position and
    management's abilities) performed by the fund's portfolio manager and MFS'
    large group of equity research analysts.

      The fund may invest in foreign securities through which it may have
    exposure to foreign currencies.

o   PRINCIPAL RISKS

    The principal risks of investing in the fund and the circumstances
    reasonably likely to cause the value of your investment in the fund to
    decline are described below. The share price of the fund generally changes
    daily based on market conditions and other factors. Please note that there
    are many circumstances which could cause the value of your investment in
    the fund to decline, and which could prevent the fund from achieving its
    objectives, that are not described here.

    The principal risks of investing in the fund are:

    o Market Risk: This is the risk that the price of a security held by the
      fund will fall due to changing economic, political or market conditions or
      disappointing earnings results.

    o Company Risk: Prices of securities react to the economic condition of the
      company that issued the security. The fund's equity investments in an
      issuer may rise and fall based on the issuer's actual and anticipated
      earnings, changes in management and the potential for takeovers and
      acquisitions.

    o Large Cap Companies Risk: Large cap companies tend to go in and out of
      favor based on market and economic conditions. Large cap companies tend to
      be less volatile than companies with smaller market capitalizations. In
      exchange for this potentially lower risk, the fund's value may not rise as
      much as the value of funds that emphasize smaller cap companies.

    o Foreign Securities Risk: Investing in foreign securities involves risks
      relating to political, social and economic developments abroad, as well as
      risks resulting from the differences between the regulations to which U.S.
      and foreign issuers and markets are subject:

        > These risks may include the seizure by the government of company
          assets, excessive taxation, withholding taxes on dividends and
          interest, limitations on the use or transfer of portfolio assets, and
          political or social instability.

        > Enforcing legal rights may be difficult, costly and slow in foreign
          countries, and there may be special problems enforcing claims against
          foreign governments.

        > Foreign companies may not be subject to accounting standards or
          governmental supervision comparable to U.S. companies, and there may
          be less public information about their operations.

        > Foreign markets may be less liquid and more volatile than U.S.
          markets.


        > Foreign securities often trade in currencies other than the U.S.
          dollar, and the fund may directly hold foreign currencies and purchase
          and sell foreign currencies through forward exchange contracts.
          Changes in currency exchange rates will affect the fund's net asset
          value, the value of dividends and interest earned, and gains and
          losses realized on the sale of securities. An increase in the strength
          of the U.S. dollar relative to these other currencies may cause the
          value of the fund to decline. Certain foreign currencies may be
          particularly volatile, and foreign governments may intervene in the
          currency markets, causing a decline in value or liquidity in the
          fund's foreign currency holdings. By entering into forward foreign
          currency exchange contracts, the fund may be required to forego the
          benefits of advantageous changes in exchange rates and, in the case of
          forward contracts entered into for the purpose of increasing return,
          the fund may sustain losses which will reduce its gross income.
          Forward foreign currency exchange contracts involve the risk that the
          party with which the fund enters into the contract may fail to perform
          its obligations to the fund.


    o As with any mutual fund, you could lose money on your investment in the
      fund.

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

o   BAR CHART AND PERFORMANCE TABLE


    The bar chart and performance table below are intended to indicate some of
    the risks of investing in the fund by showing changes in the fund's
    performance over time. The performance table also shows how the fund's
    performance over time compares with that of one or more broad measures of
    market performance. The chart and table provide past performance
    information. The fund's past performance does not necessarily indicate how
    the fund will perform in the future. The performance information in the
    chart and table is based upon calendar year periods, while the performance
    information presented under the caption "Financial Highlights" and in the
    fund's shareholder reports is based upon the fund's fiscal year.
    Therefore, these performance results differ.

    BAR CHART

    The bar chart shows changes in the annual total returns of the fund shares
    for each calendar year since they were first offered, assuming the
    reinvestment of distributions.


                    1999           10.58%


----------
    The total return for the year-to-date period ended June 30, 2000, was
    1.64%. During the period shown in the bar chart, the highest quarterly
    return was 12.84% (for the calendar quarter ended December 31, 1999) and
    the lowest quarterly return was (8.41)% (for the calendar quarter ended
    September 30, 1999).

    PERFORMANCE TABLE

    This table shows how the average annual total returns of the fund's shares
    compares to a broad measure of market performance and assumes the
    reinvestment of distributions.

    AVERAGE ANNUAL TOTAL RETURNS AS OF DECEMBER 31, 1999
    ............................................................................
                                                                         1 Year*

    Core Equity Fund                                                      10.58%

    S&P 500**+                                                            21.04%

    Average large cap core fund++                                         22.29%

    ------
     * Fund performance figures are for the period from the commencement of
       the fund's investment operations, December 31, 1998, through December
       31, 1999. Index and Lipper average returns are from January 1, 1999.
     + Source: Standard & Poor's Micropal, Inc.
    ++ Source: Lipper Inc.
    ** The S&P 500 is a broad-based, popular, unmanaged index commonly used to
       measure common stock total return performance. It is composed of 500
       widely held common stocks listed on the New York Stock Exchange
       ("NYSE"), American Stock Exchange ("AMEX") and Over-the-Counter ("OTC")
       market.


<PAGE>


    4:  RESEARCH FUND
    ..........................................................................


o   INVESTMENT OBJECTIVE


    The fund's investment objective is long-term growth of capital. This
    objective may be changed without shareholder approval.


o   PRINCIPAL INVESTMENT POLICIES

    The fund invests, under normal market conditions, at least 80% of its
    total assets in common stocks and related securities, such as preferred
    stocks, convertible securities and depositary receipts. The fund focuses
    on companies that MFS believes have favorable prospects for long-term
    growth, attractive valuations based on current and expected earnings or
    cash flow, dominant or growing market share and superior management. The
    fund may invest in companies of any size. The fund's investments may
    include securities traded on securities exchanges or in the over-the-counter
    markets.

      A committee of investment research analysts selects portfolio securities
    for the fund. This committee includes investment analysts employed not
    only by MFS, but also by MFS' foreign advisory affiliates. The committee
    allocates the fund's assets among various industries. Individual analysts
    then select what they view as the securities best suited to achieve the
    fund's investment objective within their assigned industry responsibility.

      The fund may also invest in foreign securities, through which it may
    have exposure to foreign currencies.

o   PRINCIPAL RISKS

    The principal risks of investing in the fund and the circumstances
    reasonably likely to cause the value of your investment in the fund to
    decline are described below. The share price of the fund generally changes
    daily based on market conditions and other factors. Please note that there
    are many circumstances which could cause the value of your investment in
    the fund to decline, and which could prevent the fund from achieving its
    objective, that are not described here.

    The principal risks of investing in the fund are:

    o Market Risk: This is the risk that the price of a security held by the
      fund will fall due to changing economic, political or market conditions or
      disappointing earnings results.

    o Company Risk: Prices of securities react to the economic condition of the
      company that issued the security. The fund's equity investments in an
      issuer may rise and fall based on the issuer's actual and anticipated
      earnings, changes in management and the potential for takeovers and
      acquisitions.


    o Over-the-Counter Risk: OTC transactions involve risks in addition to those
      incurred by transactions in securities traded on exchanges. OTC listed
      companies may have limited product lines, markets or financial resources.
      Many OTC stocks trade less frequently and in smaller volume than
      exchange-listed stocks. The values of these stocks may be more volatile
      than exchange-listed stocks, and the fund may experience difficulty in
      purchasing or selling these securities at a fair price.


    o Foreign Markets Risk: Investing in foreign securities involves risks
      relating to political, social and economic developments abroad, as well as
      risks resulting from the differences between the regulations to which U.S.
      and foreign issuers and markets are subject:

        > These risks may include the seizure by the government of company
          assets, excessive taxation, withholding taxes on dividends and
          interest, limitations on the use or transfer of portfolio assets, and
          political or social instability.

        > Enforcing legal rights may be difficult, costly and slow in foreign
          countries, and there may be special problems enforcing claims against
          foreign governments.

        > Foreign companies may not be subject to accounting standards or
          governmental supervision comparable to U.S. companies, and there may
          be less public information about their operations.

        > Foreign markets may be less liquid and more volatile than U.S.
          markets.


        > Foreign securities often trade in currencies other than the U.S.
          dollar, and the fund may directly hold foreign currencies and purchase
          and sell foreign currencies through forward exchange contracts.
          Changes in currency exchange rates will affect the fund's net asset
          value, the value of dividends and interest earned, and gains and
          losses realized on the sale of securities. An increase in the strength
          of the U.S. dollar relative to these other currencies may cause the
          value of the fund to decline. Certain foreign currencies may be
          particularly volatile, and foreign governments may intervene in the
          currency markets, causing a decline in value or liquidity in the
          fund's foreign currency holdings. By entering into forward foreign
          currency exchange contracts, the fund may be required to forego the
          benefits of advantageous changes in exchange rates and, in the case of
          forward contracts entered into for the purpose of increasing return,
          the fund may sustain losses which will reduce its gross income.
          Forward foreign currency exchange contracts involve the risk that the
          party with which the fund enters into the contract may fail to perform
          its obligations to the fund.

    o As with any mutual fund, you could lose money on your investment in the
      fund.


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

o   BAR CHART AND PERFORMANCE TABLE


    The bar chart and performance table below are intended to indicate some of
    the risks of investing in the fund by showing changes in the fund's
    performance over time. The performance table also shows how the fund's
    performance over time compares with that of one or more broad measures of
    market performance. The chart and table provide past performance
    information. The fund's past performance does not necessarily indicate how
    the fund will perform in the future. The performance information in the
    chart and table is based upon calendar year periods, while the performance
    information presented under the caption "Financial Highlights" and in the
    fund's shareholder reports is based upon the fund's fiscal year.
    Therefore, these performance results differ.

    BAR CHART

    The bar chart shows changes in the annual total returns of the fund shares
    for each calendar year since they were first offered, assuming the
    reinvestment of distributions.


                    1997                20.78%
                    1998                23.98%
                    1999                24.18%


    ----------
    The total return for the year-to-date period ended June 30, 2000, was
    6.93%. During the period shown in the bar chart, the highest quarterly
    return was 22.50% (for the calendar quarter ended December 31, 1998) and
    the lowest quarterly return was (14.63)% (for the calendar quarter ended
    September 30, 1998).

    PERFORMANCE TABLE

    This table shows how the average annual total returns of the fund's shares
    compares to a broad measure of market performance and assumes the
    reinvestment of distributions.

    AVERAGE ANNUAL TOTAL RETURNS AS OF DECEMBER 31, 1999
    ..........................................................................
                                                   1 Year                Life*

    Research Fund                                   24.18%              21.12%

    S&P 500**+                                      22.29%              23.80%

    Average large cap core fund++                   21.04%              26.58%

    ------
     * "Life" refers to the period from the commencement of the fund's
       investment operations, May 20, 1996, through December 31, 1999. Index
       and Lipper average returns are from June 1, 1996.
     + Source: Standard & Poor's Micropal, Inc.
    ++ Source: Lipper Inc.
    ** The S&P 500 is a broad-based, popular, unmanaged index commonly used to
       measure common stock total return performance. It is composed of 500
       widely held common stocks listed on the NYSE, AMEX and OTC market.


<PAGE>


    5:  LARGE CAP FUND
    ...........................................................................


o   INVESTMENT OBJECTIVE


    The fund's investment objective is long-term growth of capital. This
    objective may be changed without shareholder approval.


o   PRINCIPAL INVESTMENT POLICIES

    The fund invests, under normal market conditions, at least 80% of its
    total assets in common stocks and related securities, such as preferred
    stocks, convertible securities and depositary receipts, of companies with
    large market capitalizations which MFS believes have above-average growth
    potential. Large market capitalization companies are defined by the fund
    as companies with market capitalizations equaling or exceeding $5 billion
    at the time of the fund's investment. Companies whose market
    capitalization falls below $5 billion after purchase continue to be
    considered large-capitalization companies for purposes of the fund's 80%
    investment policy. The fund's investments may include securities listed on
    a securities exchange or traded in the over-the-counter markets.

      MFS looks particularly for companies which demonstrate:

    o A strong franchise, strong cash flows and a recurring revenue stream;

    o A solid industry position, where there is:

        > Potential for high profit margins;

        > Substantial barriers to new entry in the industry;

    o A strong management team with a clearly defined strategy; and

    o A catalyst that may accelerate growth.

      MFS uses a bottom-up, as opposed to a top-down, investment style in
    managing the equity-oriented funds (such as the fund) it advises. This
    means that securities are selected based upon fundamental analysis (such
    as an analysis of earnings, cash flows, competitive position and
    management's abilities) performed by the fund's portfolio manager and MFS'
    large group of equity research analysts.

      The fund may invest in foreign securities (including emerging market
    securities) through which it may have exposure to foreign currencies.

o   PRINCIPAL RISKS

    The principal risks of investing in the fund and the circumstances
    reasonably likely to cause the value of your investment in the fund to
    decline are described below. The share price of the fund generally changes
    daily based on market conditions and other factors. Please note that there
    are many circumstances which could cause the value of your investment in
    the fund to decline, and which could prevent the fund from achieving its
    objective, that are not described here.

      The principal risks of investing in the fund are:

    o Market Risk: This is the risk that the price of a security held by the
      fund will fall due to changing economic, political or market conditions or
      disappointing earnings results.

    o Large Cap Companies Risk: Large cap companies tend to go in and out of
      favor based on market and economic conditions. Large cap companies tend to
      be less volatile than companies with smaller market capitalizations. In
      exchange for this potentially lower risk, the fund's value may not rise as
      much as the value of funds that emphasize smaller cap companies.

    o Growth Companies Risk: Prices of growth company securities held by the
      fund may fall to a greater extent than the overall equity markets (e.g.,
      as represented by the S&P 500) due to changing economic, political or
      market conditions or disappointing growth company earnings results.


    o Over-the-Counter Risk: OTC transactions involve risks in addition to those
      incurred by transactions in securities traded on exchanges. OTC-listed
      companies may have limited product lines, markets or financial resources.
      Many OTC stocks trade less frequently and in smaller volume than
      exchange-listed stocks. The values of these stocks may be more volatile
      than exchange-listed stocks, and the fund may experience difficulty in
      purchasing or selling these securities at a fair price.


    o Foreign Securities Risk: Investing in foreign securities involves risks
      relating to political, social and economic developments abroad, as well as
      risks resulting from the differences between the regulations to which U.S.
      and foreign issuers and markets are subject:

        > These risks may include the seizure by the government of company
          assets, excessive taxation, withholding taxes on dividends and
          interest, limitations on the use or transfer of portfolio assets, and
          political or social instability.

        > Enforcing legal rights may be difficult, costly and slow in foreign
          countries, and there may be special problems enforcing claims against
          foreign governments.

        > Foreign companies may not be subject to accounting standards or
          governmental supervision comparable to U.S. companies, and there may
          be less public information about their operations.

        > Foreign markets may be less liquid and more volatile than U.S.
          markets.


        > Foreign securities often trade in currencies other than the U.S.
          dollar, and the fund may directly hold foreign currencies and purchase
          and sell foreign currencies through forward exchange contracts.
          Changes in currency exchange rates will affect the fund's net asset
          value, the value of dividends and interest earned, and gains and
          losses realized on the sale of securities. An increase in the strength
          of the U.S. dollar relative to these other currencies may cause the
          value of the fund to decline. Certain foreign currencies may be
          particularly volatile, and foreign governments may intervene in the
          currency markets, causing a decline in value or liquidity in the
          fund's foreign currency holdings. By entering into forward foreign
          currency exchange contracts, the fund may be required to forego the
          benefits of advantageous changes in exchange rates and, in the case of
          forward contracts entered into for the purpose of increasing return,
          the fund may sustain losses which will reduce its gross income.
          Forward foreign currency exchange contracts involve the risk that the
          party with which the fund enters into the contract may fail to perform
          its obligations to the fund.

    o Emerging Markets Risk: Emerging markets are generally defined as countries
      in the initial stages of their industrialization cycles with low per
      capita income. The markets of emerging markets countries are generally
      more volatile than the markets of developed countries with more mature
      economies. All of the risks of investing in foreign securities described
      above are heightened by investing in emerging markets countries.

    o As with any mutual fund, you could lose money on your investment in the
      fund.


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

o   BAR CHART AND PERFORMANCE TABLE


    The bar chart and performance table are not included because the series
    did not have a full year of operations at December 31, 1999.


<PAGE>


    6:  MID CAP FUND
    ..........................................................................


o   INVESTMENT OBJECTIVE


    The fund's investment objective is long-term growth of capital. This
    objective may be changed without shareholder approval.


o   PRINCIPAL INVESTMENT POLICIES

    The fund invests, under normal market conditions, at least 80% of its
    total assets in common stocks and related securities, such as preferred
    stocks, convertible securities and depositary receipts for those
    securities, of companies with medium market capitalizations which MFS
    believes have above-average growth potential.


    Medium market capitalization companies are defined by the series as
    companies with market capitalizations equaling or exceeding $250 million but
    not exceeding the top of the Russell Midcap(TM) Growth Index range at the
    time of the series' investment. This Index is a widely recognized, unmanaged
    index of mid-cap common stock prices. Companies whose market capitalizations
    fall below $250 million or exceed the top of the Russell Midcap Growth Index
    range after purchase continue to be considered medium-capitalization
    companies for purposes of the fund's 80% investment policy. As of September
    29, 2000, the top of the Russell Midcap Growth Index range was $29.9
    billion. The series' investments may include securities listed on a
    securities exchange or traded in the over-the-counter markets.

    MFS uses a bottom-up, as opposed to a top-down, investment style in
    managing the equity-oriented funds (such as the fund) it advises. This
    means that securities are selected based upon fundamental analysis (such
    as an analysis of earnings, cash flows, competitive position and
    management's abilities) performed by the fund's portfolio manager and MFS'
    large group of equity research analysts.


    The fund may invest in foreign securities (including emerging markets
    securities) through which it may have exposure to foreign currencies.

o   PRINCIPAL RISKS

    The principal risks of investing in the fund and the circumstances
    reasonably likely to cause the value of your investment in the fund to
    decline are described below. The share price of the fund generally changes
    daily based on market conditions and other factors. Please note that there
    are many circumstances which could cause the value of your investment in
    the fund to decline, and which could prevent the fund from achieving its
    objective, that are not described here.

    The principal risks of investing in the fund are:

    o Market Risk: This is the risk that the price of a security held by the
      fund will fall due to changing economic, political or market conditions or
      disappointing earnings results.

    o Mid-Cap Growth Company Risk: Prices of growth company securities held by
      the fund may decline due to changing economic, political or market
      conditions, or due to the financial condition of the company which issued
      the security, and may decline to a greater extent than the overall equity
      markets (e.g., as represented by the S&P 500). Investments in medium
      capitalization companies can be riskier and more volatile than investments
      in companies with larger market capitalizations.


    o Over-the-Counter Risk: OTC transactions involve risks in addition to those
      incurred by transactions in securities traded on exchanges. OTC-listed
      companies may have limited product lines, markets or financial resources.
      Many OTC stocks trade less frequently and in smaller volume than
      exchange-listed stocks. The values of these stocks may be more volatile
      than exchange-listed stocks, and the fund may experience difficulty in
      purchasing or selling these securities at a fair price.

    o Foreign Securities Risk: Investing in foreign securities involves risks
      relating to political, social and economic developments abroad, as well as
      risks resulting from the differences between the regulations to which U.S.
      and foreign issuers and markets are subject:


        > These risks may include the seizure by the government of company
          assets, excessive taxation, withholding taxes on dividends and
          interest, limitations on the use or transfer of portfolio assets, and
          political or social instability.

        > Enforcing legal rights may be difficult, costly and slow in foreign
          countries, and there may be special problems enforcing claims against
          foreign governments.

        > Foreign companies may not be subject to accounting standards or
          governmental supervision comparable to U.S. companies, and there may
          be less public information about their operations.

        > Foreign markets may be less liquid and more volatile than U.S.
          markets.


        > Foreign securities often trade in currencies other than the U.S.
          dollar, and the fund may directly hold foreign currencies and purchase
          and sell foreign currencies through forward exchange contracts.
          Changes in currency exchange rates will affect the fund's net asset
          value, the value of dividends and interest earned, and gains and
          losses realized on the sale of securities. An increase in the strength
          of the U.S. dollar relative to these other currencies may cause the
          value of the fund to decline. Certain foreign currencies may be
          particularly volatile, and foreign governments may intervene in the
          currency markets, causing a decline in value or liquidity in the
          fund's foreign currency holdings. By entering into forward foreign
          currency exchange contracts, the fund may be required to forego the
          benefits of advantageous changes in exchange rates and, in the case of
          forward contracts entered into for the purpose of increasing return,
          the fund may sustain losses which will reduce its gross income.
          Forward foreign currency exchange contracts involve the risk that the
          party with which the fund enters into the contract may fail to perform
          its obligations to the fund.

    o Emerging Markets Risk: Emerging markets are generally defined as countries
      in the initial stages of their industrialization cycles with low per
      capita income. The markets of emerging markets countries are generally
      more volatile than the markets of developed countries with more mature
      economies. All of the risks of investing in foreign securities described
      above are heightened by investing in emerging markets countries.

    o Active or Frequent Trading Risk: The fund has engaged and may engage in
      active and frequent trading to achieve its principal investment
      strategies. This may result in the realization and distribution to
      shareholders of higher net capital gains as compared to a fund with less
      active trading policies, which could increase your tax liability. Frequent
      trading also increases transaction costs, which could detract from the
      Fund's performance.


    o As with any mutual fund, you could lose money on your investment in the
      fund.

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


o   BAR CHART AND PERFORMANCE TABLE


    The bar chart and performance table below are intended to indicate some of
    the risks of investing in the fund by showing changes in the fund's
    performance over time. The performance table also shows how the fund's
    performance over time compares with that of one or more broad measures of
    market performance. The chart and table provide past performance
    information. The fund's past performance does not necessarily indicate how
    the fund will perform in the future. The performance information in the
    chart and table is based upon calendar year periods, while the performance
    information presented under the caption "Financial Highlights" and in the
    fund's shareholder reports is based upon the fund's fiscal year.
    Therefore, these performance results differ.

    BAR CHART

    The bar chart shows changes in the annual total returns of the fund's
    shares for each calendar year since they were first offered, assuming the
    reinvestment of distributions.


                    1996                10.42%
                    1997                24.69%
                    1998                20.74%
                    1999                72.43%


    ----------
    The total return for the year-to-date period ended June 30, 2000, was
    23.90%. During the period shown in the bar chart the highest quarterly
    return was 41.65% (for the calendar quarter ended December 31, 1999) and
    the lowest quarterly return was (17.49)% (for the calendar quarter ended
    September 30, 1998).


    PERFORMANCE TABLE

    This table shows how the average annual total returns of the fund shares
    compares to one or more broad measures of market performance and assumes
    the reinvestment of distributions.

<PAGE>


    AVERAGE ANNUAL TOTAL RETURNS AS OF DECEMBER 31, 1999
    ..........................................................................
                                                       1 Year          Life*

    Mid Cap Fund                                       72.43%         30.27%

    Russell Mid-Cap Growth Index+**                    38.08%         20.43%

    Average mid-cap core funds++                       38.08%         20.43%

    ------
     * "Life" refers to the period from the commencement of the fund's
       investment operations, December 28, 1995, through December 31, 1999.
       Index and Lipper average returns are from January 1, 1996.
     + Source: Standard & Poor's Micropal, Inc.
    ++ Source: Lipper, Inc.
    ** The Russell Mid-Cap Growth Index is a broad-based, unmanaged index
       consisting of performance of the 800 smallest companies in the Russell
       1000 Index.


<PAGE>


    7:  EMERGING EQUITIES FUND
    ..........................................................................


o   INVESTMENT OBJECTIVE


    The fund's investment objective is long-term growth of capital. This
    objective may be changed without shareholder approval.


o   PRINCIPAL INVESTMENT POLICIES

    The fund invests, under normal market conditions, at least 80% of its
    total assets in equity securities of emerging growth companies with small
    or medium sized market capitalizations. Equity securities include common
    stocks and related securities, such as preferred stocks, convertible
    securities and depositary receipts for those securities. Emerging growth
    companies are companies that MFS believes offer superior prospects for
    growth and are early in their life cycle but have the potential to become
    major enterprises. MFS would expect these companies to have products,
    technologies, management, markets and opportunities which will facilitate
    earnings growth over time that is well above the growth rate of the
    overall economy and the rate of inflation. The fund's investments in
    emerging growth companies may include securities listed on a securities
    exchange or traded in the over-the-counter markets.

      The fund has adopted the following policy which may not be changed
    without shareholder approval: while the Fund will invest primarily in
    common stocks, the Fund may, to a limited extent, seek appreciation in
    other types of securities such as foreign or convertible securities and
    warrants when relative values make such purchases appear attractive either
    as individual issues or as types of securities in certain economic
    environments.

      MFS uses a bottom-up, as opposed to a top-down, investment style in
    managing the equity-oriented funds (such as the fund) it advises. This
    means that securities are selected based upon fundamental analysis (such
    as an analysis of earnings, cash flows, competitive position and
    management's abilities) performed by the fund's portfolio manager and MFS'
    large group of equity research analysts.

o   PRINCIPAL RISKS

    The principal risks of investing in the fund and the circumstances
    reasonably likely to cause the value of your investment in the fund to
    decline are described below. The share price of the fund generally changes
    daily based on market conditions and other factors. Please note that there
    are many circumstances which could cause the value of your investment in
    the fund to decline, and which could prevent the fund from achieving its
    objective, that are not described here.

    The principal risks of investing in the fund are:

    o Market Risk: This is the risk that the price of a security held by the
      fund will fall due to changing economic, political or market conditions or
      disappointing earnings results.

    o Company Risk: Prices of securities react to the economic condition of the
      company that issued the security. The fund's equity investments in an
      issuer may rise and fall based on the issuer's actual and anticipated
      earnings, changes in management and the potential for takeovers and
      acquisitions.


    o Emerging Growth Risk: Prices of securities react to the economic condition
      of the company that issued the security. The fund's equity investments in
      an issuer may rise and fall based on the issuer's actual and anticipated
      earnings, changes in management and the potential for takeovers and
      acquisitions. Investments in emerging growth companies may be subject to
      more abrupt or erratic market movements and may involve greater risks than
      investments in other companies. Emerging growth companies often:

        > have limited product lines, markets and financial resources

        > are dependent on management by one or a few key individuals

        > have shares which suffer steeper than average price declines after
          disappointing earnings reports and are more difficult to sell at
          satisfactory prices

    o Over-the-Counter Risk: OTC transactions involve risks in addition to those
      associated with transactions in securities traded on exchanges. OTC listed
      companies may have limited product lines, markets or financial resources.
      Many OTC stocks trade less frequently and in smaller volume than exchange
      listed stocks. The values of these stocks may be more volatile than
      exchange listed stocks, and the fund may experience difficulty in
      purchasing or selling these securities at a fair price.


    o As with any mutual fund, you could lose money on your investment in the
      fund.

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

<PAGE>

o   BAR CHART AND PERFORMANCE TABLE

    The bar chart and performance table below are intended to indicate some of
    the risks of investing in the fund by showing changes in the fund's
    performance over time. The performance table also shows how the fund's
    performance over time compares with that of one or more broad measures of
    market performance. The chart and table provide past performance
    information. The fund's past performance does not necessarily indicate how
    the fund will perform in the future. The performance information in the
    chart and table is based upon calendar year periods, while the performance
    information presented under the caption "Financial Highlights" and in the
    fund's shareholder reports is based upon the fund's fiscal year.
    Therefore, these performance results differ.

    BAR CHART

    The bar chart shows changes in the annual total returns of the fund shares
    for each calendar year since they were first offered, assuming the
    reinvestment of distributions.



                    1994                14.16%
                    1995                43.77%
                    1996                19.52%
                    1997                22.95%
                    1998                13.69%
                    1999                47.05%


    ----------
    The total return for the year-to-date period ended June 30, 2000, was
    11.75%. During the period shown in the bar chart the highest quarterly
    return was 46.35% (for the calendar quarter ended December 31, 1999) and
    the lowest quarterly return was (20.00)% (for the calendar quarter ended
    September 30, 1998).


    PERFORMANCE TABLE

    This table shows how the average annual total returns of the fund shares
    compares to one or more broad measures of market performance and assumes
    the reinvestment of distributions.


    AVERAGE ANNUAL TOTAL RETURNS AS OF DECEMBER 31, 1999
    ..........................................................................
                                                1 Year     5 Years       Life*

    Emerging Equities Fund                       47.05%     28.71%      28.31%

    Russell 2000 Small Stocks Index+**           21.26%     16.69%      14.20%

    Average mid-cap core funds++                 38.08%     21.48%      18.55%

    ------
     * "Life" refers to the period from the commencement of the fund's
       investment operations, June 16, 1993, through December 31, 1999. Index
       and Lipper average returns are from July 1, 1993.
     + Source: Standard & Poor's Micropal, Inc.
    ++ Source: Lipper, Inc.
    ** The Russell 2000 Small Stocks Index is a broad-based, unmanaged index
       comprised of 2,000 of the smallest U.S.-domiciled company common stocks
       (on the basis of capitalization) that are traded in the United States
       on the NYSE, AMEX, and the National Association of Securities Dealers
       Automated Quotations system.


<PAGE>


    8:  INTERNATIONAL EQUITY FUND
    ...........................................................................


o   INVESTMENT OBJECTIVE


    The fund's investment objective is long-term growth of capital. This
    objective may be changed without shareholder approval.


o   PRINCIPAL INVESTMENT POLICIES

    The fund invests, under normal market conditions, at least 80% of its
    total assets in common stocks and related securities, such as preferred
    stock, convertible securities and depositary receipts, of foreign
    (including emerging market) issuers. Under normal market conditions, the
    fund invests in at least three different countries.


      A company's principal activities are determined to be located in a
    particular country if the company (a) is organized under the laws of, and
    maintains a principal office in, a country, (b) has its principal
    securities trading market in a country, (c) derives 50% of its total
    revenues from goods or services performed in the country, or (d) has 50%
    or more of its assets in the country.


      The fund focuses on foreign companies that MFS believes have above
    average growth potential. MFS looks particularly for companies which
    demonstrate:

    o A strong franchise, strong cash flows and a recurring revenue stream.

    o A solid industry position, where there is:

        > Potential for high profit margins; and

        > Substantial barriers to new entry in the industry;

    o A strong management team with a clearly defined strategy; and

    o A catalyst that may accelerate growth.

      The fund's investments may include securities traded in the
    over-the-counter markets.

      MFS uses a bottom-up, as opposed to a top-down, investment style in
    managing the equity-oriented funds (such as the fund) it advises. This
    means that securities are selected based upon fundamental analysis (such
    as an analysis of earnings, cash flows, competitive position and
    management's abilities) performed by the fund's portfolio manager and MFS'
    large group of equity research analysts.

o   PRINCIPAL RISKS OF AN INVESTMENT

    The principal risks of investing in the fund and the circumstances
    reasonably likely to cause the value of your investment in the fund to
    decline are described below. The share price of the fund generally changes
    daily based on market conditions and other factors. Please note that there
    are many circumstances which could cause the value of your investment in
    the fund to decline, and which could prevent the fund from achieving its
    objective, that are not described here.

    The principal risks of investing in the fund are:

    o Market Risk: This is the risk that the price of a security held by the
      fund will fall due to changing economic, political or market conditions or
      disappointing earnings results.

    o Company Risk: Prices of securities react to the economic condition of the
      company that issued the security. The fund's equity investments in an
      issuer may rise and fall based on the issuer's actual and anticipated
      earnings, changes in management and the potential for takeovers and
      acquisitions.

    o Foreign Securities Risk: Investing in foreign securities involves risks
      relating to political, social and economic developments abroad, as well as
      risks resulting from the differences between the regulations to which U.S.
      and foreign issuers and markets are subject:

        > These risks may include the seizure by the government of company
          assets, excessive taxation, withholding taxes on dividends and
          interest, limitations on the use or transfer of portfolio assets, and
          political or social instability.

        > Enforcing legal rights may be difficult, costly and slow in foreign
          countries, and there may be special problems enforcing claims against
          foreign governments.

        > Foreign companies may not be subject to accounting standards or
          governmental supervision comparable to U.S. companies, and there may
          be less public information about their operations.

        > Foreign markets may be less liquid and more volatile than U.S.
          markets.


        > Foreign securities often trade in currencies other than the U.S.
          dollar, and the fund may directly hold foreign currencies and purchase
          and sell foreign currencies through forward exchange contracts.
          Changes in currency exchange rates will affect the fund's net asset
          value, the value of dividends and interest earned, and gains and
          losses realized on the sale of securities. An increase in the strength
          of the U.S. dollar relative to these other currencies may cause the
          value of the fund to decline. Certain foreign currencies may be
          particularly volatile, and foreign governments may intervene in the
          currency markets, causing a decline in value or liquidity in the
          fund's foreign currency holdings. By entering into forward foreign
          currency exchange contracts, the fund may be required to forego the
          benefits of advantageous changes in exchange rates and, in the case of
          forward contracts entered into for the purpose of increasing return,
          the fund may sustain losses which will reduce its gross income.
          Forward foreign currency exchange contracts involve the risk that the
          party with which the fund enters into the contract may fail to perform
          its obligations to the fund.

    o Emerging Markets Risk: Emerging markets are generally defined as countries
      in the initial stages of their industrialization cycles with low per
      capita income. The markets of emerging markets countries are generally
      more volatile than the markets of developed countries with more mature
      economies. All of the risks of investing in foreign securities described
      above are heightened by investing in emerging markets countries.

    o Geographic Concentration Risk: The fund may invest a substantial amount of
      its assets in issuers located in a single country or a limited number of
      countries. If the fund concentrates its investments in this manner, it
      assumes the risk that economic, political and social conditions in those
      countries will have a significant impact on its investment performance.
      The fund's investment performance may also be more volatile if it
      concentrates its investments in certain countries, especially emerging
      market countries.


    o Growth Companies Risk: This is the risk that the prices of growth company
      securities held by the fund will fall to a greater extent than the overall
      equity markets (e.g., as represented by the Morgan Stanley Capital
      International (MSCI) Europe, Australia, Far East (EAFE) Index) due to
      changing economic, political or market conditions or disappointing growth
      company earnings results.


    o Over-the-Counter Risk: OTC transactions involve risks in addition to those
      associated with transactions in securities traded on exchanges. OTC-listed
      companies may have limited product lines, markets or financial resources.
      Many OTC stocks trade less frequently and in smaller volume than
      exchange-listed stocks. The values of these stocks may be more volatile
      than exchange-listed stocks, and the fund may experience difficulty in
      purchasing or selling these securities at a fair price.

    o As with any mutual fund, you could lose money on your investment in the
      fund.


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

o   BAR CHART AND PERFORMANCE TABLE

    The bar chart and performance table below are intended to indicate some of
    the risks of investing in the fund by showing changes in the fund's
    performance over time. The performance table also shows how the fund's
    performance over time compares with that of a broad measure of market
    performance. The chart and table provide past performance information. The
    fund's past performance does not necessarily indicate how the fund will
    perform in the future. The performance information in the chart and table
    is based upon calendar year periods, while the performance information
    presented under the caption "Financial Highlights" and in the fund's
    shareholder reports is based upon the fund's fiscal year. Therefore, these
    performance results differ.

<PAGE>

    BAR CHART

    The bar chart shows changes in the annual total returns of the fund shares
    for each calendar year since they were first offered, assuming the
    reinvestment of distributions.



                    1997                10.82%
                    1998                 9.28%
                    1999                34.81%


    ----------
    The total return for the year-to-date period ended June 30, 2000, was
    2.12%. During the period shown in the bar chart, the highest quarterly
    return was 25.82% (for the calendar quarter ended December 31, 1999) and
    the lowest quarterly return was (16.28)% (for the calendar quarter ended
    September 30, 1998).


    PERFORMANCE TABLE

    This table shows how the average annual total returns of the fund shares
    compares to a broad measure of market performance and assumes the
    reinvestment of distributions.


    AVERAGE ANNUAL TOTAL RETURNS AS OF DECEMBER 31, 1999
    ..........................................................................
                                                          1 Year          Life*

    International Equity Fund                             34.81%         18.16%

    Morgan Stanley Capital International (MSCI)

    Europe, Australia, Far East (EAFE) Index+**           27.30%         13.74%

    Average international fund++                          40.88%         16.45%

    ------
     * "Life" refers to the period from the commencement of the fund's
       investment operations, January 30, 1996, through December 31, 1999.
       Lipper and Index average returns are from February 1, 1996.
     + Source: Standard & Poor's Micropal, Inc.
    ++ Source: Lipper, Inc.
    ** The Morgan Stanley Capital International (MSCI) EAFE (Europe, Australia,
       Far East) Index is a broad-based, unmanaged,
       market-capitalization-weighted total return index which measures the
       performance of 20 developed-country global stock markets.

<PAGE>

--------------------------------------------
III CERTAIN INVESTMENT STRATEGIES AND RISKS
--------------------------------------------

o   FURTHER INFORMATION ON INVESTMENT STRATEGIES AND RISKS


    Each fund may invest in various types of securities and engage in various
    investment techniques and practices which are not the principal focus of
    the fund and therefore are not described in this prospectus. The types of
    securities and investment techniques and practices in which a fund may
    engage, including the principal investment techniques and practices
    described above, are identified in Appendix A to this prospectus, and are
    discussed, together with their risks, in the funds' Statement of
    Additional Information (referred to as the SAI), which you may obtain by
    contacting MFS Service Center, Inc. (please see back cover for address and
    telephone number).


o   TEMPORARY DEFENSIVE POLICIES

    In addition, each fund may depart from its principal investment strategies
    by temporarily investing for defensive purposes when adverse market,
    economic or political conditions exist. While a fund invests defensively,
    it may not be able to pursue its investment objective. The fund's
    defensive investment position may not be effective in protecting its
    value.

o   ACTIVE OR FREQUENT TRADING


    The Global Fund and the Mid Cap Fund have engaged in, and each fund may
    engage in, active and frequent trading to achieve its principal investment
    strategies. This may result in the realization and distribution to
    shareholders of higher net capital gains as compared to a fund with less
    active trading policies, which would increase your tax liability. Frequent
    trading also increases transaction costs, which could detract from the
    fund's performance.


<PAGE>

---------------------------
IV MANAGEMENT OF THE FUNDS
---------------------------

o   INVESTMENT ADVISER


    MFS is the funds' investment adviser. MFS is America's oldest mutual fund
    organization. MFS and its predecessor organizations have a history of
    money management dating from 1924 and the founding of the first mutual
    fund, Massachusetts Investors Trust. Net assets under the management of
    the MFS organization were approximately $157.71 billion as of September
    30, 2000. MFS is located at 500 Boylston Street, Boston, Massachusetts
    02116.


      MFS provides investment management and related administrative services
    and facilities to each fund, including portfolio management and trade
    execution. For these services, each fund pays MFS an annual management
    fee. The effective rate of the management fee paid by each fund to MFS is
    reflected in the "Expense Table."

o   PORTFOLIO MANAGERS

            FUND                                  PORTFOLIO MANAGERS


    Global Fund                    Steven C. Bryant, a Senior Vice President of
                                   the adviser, has been the fund's portfolio
                                   manager since December, 1997. Mr. Bryant has
                                   been employed in the investment management
                                   area of the adviser since 1987.

    High Yield Fund                Bernard Scozzafava, a Senior Vice President
                                   of the adviser, has been the fund's portfolio
                                   manager since March, 1999. Mr. Scozzafava has
                                   been employed in the investment management
                                   area of the adviser since 1989.

    Core Equity Fund               John D. Laupheimer, Jr., a Senior Vice
                                   President of the adviser, has been the fund's
                                   portfolio manager since November, 1998. Mr.
                                   Laupheimer has been employed in the
                                   investment management area of the adviser
                                   since 1981.

    Research Fund                  Various equity research analysts employed by
                                   the adviser comprise a committee that manages
                                   the fund under the supervision of Alec D.
                                   Murray, the MFS Associate Director of Equity
                                   Research. Mr. Murray has been employed in the
                                   investment management area of the adviser
                                   since 1993.

    Large Cap Fund                 Stephen Pesek, a Senior Vice President of the
                                   Adviser, has been employed in the investment
                                   management area of the Adviser since 1994 and
                                   has been a portfolio manager of the fund
                                   since 1999. Thomas D. Barrett, a Vice
                                   President of the Adviser, has been employed
                                   in the investment management area of the
                                   Adviser since 1996. Prior to joining MFS in
                                   1996, Mr. Barrett had been an Assistant Vice
                                   President and Equity Research Analyst with
                                   The Boston Company Asset Management, Inc. Mr.
                                   Barrett became a portfolio manager of the
                                   fund effective May 1, 2000.

    Mid Cap Fund                   Mark Regan, a Senior Vice President of MFS,
                                   has been employed in the investment
                                   management area of the adviser since 1989 and
                                   has been the portfolio manager of the fund
                                   since the fund's inception in December 1995.
                                   David E. Sette-Ducati, a Vice President of
                                   MFS, has been employed in the investment
                                   management area of the adviser since 1995.
                                   Mr. Sette-Ducati became a portfolio manager
                                   of the fund effective May 1, 2000. John W.
                                   Ballen, President and Chief Investment
                                   Officer of MFS, has provided oversight of the
                                   fund's management since December 1995. Mr.
                                   Ballen has been employed in the investment
                                   management area of the adviser since 1984.

    Emerging Equities Fund         Brian E. Stack, a Senior Vice President of
                                   the adviser, has been the fund's portfolio
                                   manager since January, 1996. Mr. Stack has
                                   been employed in the investment management
                                   area of the adviser since 1993. John W.
                                   Ballen, the President and Chief Investment
                                   Officer of the adviser, has provided
                                   oversight of the fund's management since
                                   June, 1993. Mr. Ballen has been employed in
                                   the investment management area of the adviser
                                   since 1984.

    International Equity Fund      David R. Mannheim, a Senior Vice President of
                                   the adviser, has been the fund's portfolio
                                   manager since January, 1996. Mr. Mannheim has
                                   been employed in the investment management
                                   area of the adviser since 1988.

o   ADMINISTRATOR


    MFS provides the funds with certain financial, legal, compliance,
    shareholder communications and other administrative services. MFS is
    reimbursed by the funds for a portion of the costs it incurs in providing
    these services.

o   SHAREHOLDER SERVICING AGENT

    MFS Service Center, Inc. (referred to as MFSC), a wholly owned subsidiary
    of MFS, performs transfer agency and certain other services for the funds,
    for which it is entitled to receive compensation from the funds.

<PAGE>

------------------------
V DESCRIPTION OF SHARES
------------------------

    Each fund is designed for sale to institutional investor clients of MFS
    and MFS Institutional Advisors, Inc. and other similar investors. Each
    fund offers a single class of shares, which are not subject to a sales
    charge or any Rule 12b-1 distribution and service fees.

-----------------------------------------------
VI HOW TO PURCHASE, EXCHANGE AND REDEEM SHARES
-----------------------------------------------

    You may purchase, exchange and redeem shares of a fund in the manner
    described below.

o   HOW TO PURCHASE SHARES

    Shares may be purchased through MFD in cash or in-kind without a sales
    charge at their net asset value next computed after acceptance of the
    purchase order. The minimum initial investment is generally $3 million
    (generally $1 million in the case of purchases by bank trust departments
    for their clients). There is no minimum on additional investments.

    OPENING AN ACCOUNT: Payments by check should be made to the order of
    [insert name of fund] and sent to that particular fund as follows: MFS
    Service Center, Inc., P.O. Box 1400, Boston, MA 02107-9906. Payments of
    federal funds should be sent by wire to the custodian of the fund as
    follows: State Street Bank and Trust Company, Attn: Mutual Funds Division,
    for the account of: [Shareholder's name], Re: [insert name of fund]
    (Account No. 99034795) and Wire Number: [Assigned by telephone].

      Information on how to wire federal funds is available at any national
    bank or any state bank which is a member of the Federal Reserve System.
    Shareholders should also mail the completed Account Application to the
    MFSC.

      A shareholder must first telephone MFSC (see back cover for telephone
    number) to advise of its intended action and, if funds are to be wired, to
    obtain a wire order number.

    IN-KIND PURCHASES: Shares of each fund may be purchased with securities
    acceptable to that particular fund. A fund need not accept any security
    offered for an in-kind purchase unless it is consistent with that fund's
    investment objective, policies and restrictions and is otherwise
    acceptable to the fund. Securities accepted in-kind for shares will be
    valued in accordance with the fund's usual valuation procedures (see "Net
    Asset Value" below). Investors interested in making an in-kind purchase of
    fund shares must first telephone MFSC (see back cover for telephone
    number) to advise of its intended action and obtain instructions for an
    in-kind purchase.

o   HOW TO EXCHANGE SHARES

    You can exchange your shares for shares of any of the other funds
    described in this prospectus at net asset value by contacting MFSC (see
    back cover for telephone number). Exchanges will be made only after
    instructions in writing or by telephone (an "Exchange Request") are
    received for an established account by MFSC in proper form (see
    "Redemptions" below). If you use an Exchange Request to open a new account
    with one of the other funds described in this prospectus, the exchange
    must involve shares having an aggregate value of at least $3 million
    (generally $1 million in the case of purchases by bank trust departments
    for their clients).

      Exchanges may be subject to certain limitations and are subject to the
    MFS funds' policies concerning excessive trading practices, which are
    policies designed to protect the funds and their shareholders from the
    harmful effect of frequent exchanges. These limitations and market timing
    policies are described below under the captions "Right to Reject or
    Restrict Purchase and Exchange Orders" and "Excessive Trading Practices."
    You should read the description of the fund into which you are exchanging
    and consider the differences in objectives, policies and rules before
    making any exchange.

o   HOW TO REDEEM SHARES

    You may redeem your shares by contacting the MFSC. Redemptions may be in
    cash or, at the fund's discretion, by distribution in-kind of securities
    from a fund's portfolio. The securities distributed are selected by MFS in
    light of the fund's objective and may not represent a pro rata
    distribution of each security held in the fund's portfolio. In the event
    that a fund makes an in-kind distribution, you could incur the brokerage
    and transaction charges when converting the securities to cash. The fund
    sends out your redemption proceeds within seven days after your request is
    received in good order. "Good order" generally means that the stock power,
    written request for redemption, letter of instruction or certificate must
    be endorsed by the record owner(s) exactly as the shares are registered.
    In addition, you need to have your signature guaranteed and/or submit
    additional documentation to redeem your shares. See "Signature Guarantee/
    Additional Documentation" below, or contact MFSC for details (see back
    cover page for address and phone number).

      Under unusual circumstances such as when the New York Stock Exchange is
    closed, trading on the Exchange is restricted or if there is an emergency,
    a fund may suspend redemptions or postpone payment. If you purchased the
    shares you are redeeming by check, a fund may delay the payment of the
    redemption proceeds until the check has cleared, which may take up to 15
    days from the purchase date.

      Each fund reserves the right to redeem shares in your account for their
    then-current value (which you will be promptly paid) if at any time the
    total investment in the account drops below $500,000 because of
    redemptions and exchanges. You will be notified when the value of the
    account is less than the minimum investment requirement and allowed 60
    days to make an additional investment before the redemption is processed.

    REDEEMING DIRECTLY THROUGH MFSC.

    o BY TELEPHONE. You can call MFSC to have shares redeemed from your account
      and the proceeds wired or mailed (depending on the amount redeemed)
      directly to a pre-designated bank account. MFSC will request personal or
      other information from you and will generally record the calls. MFSC will
      be responsible for losses that result from unauthorized telephone
      transactions if it does not follow reasonable procedures designed to
      verify your identity. You must elect this privilege on your account
      application if you wish to use it.

    o BY MAIL. To redeem shares by mail, you can send a letter to MFSC with the
      name of your fund, your account number, and the number of shares or dollar
      amount to be sold.

    SIGNATURE GUARANTEE/ADDITIONAL DOCUMENTATION. In order to protect against
    fraud, each fund requires that your signature be guaranteed in order to
    redeem your shares. Your signature may be guaranteed by an eligible bank,
    broker, dealer, credit union, national securities exchange, registered
    securities association, clearing agency, or savings association. MFSC may
    require additional documentation for certain types of registrations and
    transactions. Signature guarantees and this additional documentation shall
    be accepted in accordance with policies established by MFSC, and MFSC may
    make certain de minimis exceptions to these requirements.

o   OTHER CONSIDERATIONS

    RIGHT TO REJECT OR RESTRICT PURCHASE AND EXCHANGE ORDERS. Purchases and
    exchanges should be made for investment purposes only. Each fund reserves
    the right to reject or restrict any specific purchase or exchange request.
    Because an exchange request involves both a request to redeem shares of
    one fund and to purchase shares of another fund, the funds consider the
    underlying redemption and purchase requests conditioned upon the
    acceptance of each of these underlying requests. Therefore, in the event
    that the funds reject an exchange request, neither the redemption nor the
    purchase side of the exchange will be processed. When a fund determines
    that the level of exchanges on any day may be harmful to its remaining
    shareholders, the fund may delay the payment of exchange proceeds for up
    to seven days to permit cash to be raised through the orderly liquidation
    of its portfolio securities to pay the redemption proceeds. In this case,
    the purchase side of the exchange will be delayed until the exchange
    proceeds are paid by the redeeming fund.

    EXCESSIVE TRADING PRACTICES. The funds do not permit market-timing or
    other excessive trading practices. Excessive, short-term (market-timing)
    trading practices may disrupt portfolio management strategies and harm
    fund performance. As noted above, each fund reserves the right to reject
    or restrict any purchase order (including exchanges) from any investor. To
    minimize harm to a fund and its shareholders, a fund will exercise these
    rights if an investor has a history of excessive trading or if an
    investor's trading, in the judgment of the fund, has been or may be
    disruptive to a fund. In making this judgment, a fund may consider trading
    done in multiple accounts under common ownership or control.
<PAGE>

----------------------
VII OTHER INFORMATION
----------------------

o   PRICING OF FUND SHARES

    The price of each fund's shares is based on its net asset value. The net
    asset value of each fund's shares is determined at the close of regular
    trading each day that the New York Stock Exchange ("NYSE") is open for
    trading (generally, 4:00 p.m., Eastern time) (referred to as the valuation
    time). The NYSE is closed for business on most national holidays and Good
    Friday. To determine net asset value, each fund values its assets at
    current market values, or, if current market values are unavailable, at
    fair value as determined by the adviser under the direction of the Board
    of Trustees that oversees the fund. Fair value pricing may be used by a
    fund when current market values are unavailable or when an event occurs
    after the close of the exchange on which the fund's portfolio securities
    are principally traded that is likely to have changed the value of the
    securities. The use of fair value pricing by a fund may cause the net
    asset value of its shares to differ significantly from the net asset value
    that would be calculated using current market values.


    Certain of the funds invest in securities which are primarily listed on
    foreign exchanges that trade on weekends and other days when the fund does
    not price its shares. Therefore, the value of the fund's shares may change
    on days when you will not be able to purchase or redeem the fund's shares.


o   DISTRIBUTIONS


    Each fund except the High Yield Fund intends to declare and pay
    substantially all of its net investment income to its shareholders as
    dividends on an annual basis. The High Yield Fund intends to declare
    substantially all of its net investment income as dividends daily and to
    pay those dividends to its shareholders on a monthly basis. Any realized
    net capital gains are distributed at least annually.


o   TAX CONSIDERATIONS

    The following discussion is very general. You are urged to consult your
    tax adviser regarding the effect that an investment in a fund may have on
    your particular tax situation.


    TAXABILITY OF DISTRIBUTIONS. As long as a fund qualifies for treatment as
    a regulated investment company (which each fund has done in the past and
    intends to do in the future), it pays no federal income tax on the
    earnings and gains it distributes to its shareholders.

      You will normally have to pay federal income tax, and any state or local
    income taxes, on the distributions you receive from a fund, whether you take
    the distributions in cash or reinvest them in additional shares.
    Distributions designated as capital gain dividends are taxable as long-term
    capital gains. Other distributions are generally taxable as ordinary income.
    Distributions derived from interest on U.S. Government securities (but not
    distributions of gains from the sale of those securities) may be exempt from
    state and local personal income taxes. Some dividends paid in January may be
    taxable as if they had been paid the previous December.


      The Form 1099 that is mailed to you every January details your
    distributions and how they are treated for federal income tax purposes.


      Distributions of capital gains by the High Yield Fund will reduce its
    net asset value per share, while all distributions from each other fund
    will reduce its net asset value per share. Therefore, if you buy shares
    shortly before the record date of a distribution, you will pay the full
    price for the shares and then effectively may receive a portion of the
    purchase price back as a taxable distribution.

      If you are neither a citizen nor a resident of the United States, a fund
    will withhold U.S. federal income tax at the rate of 30% on income
    dividends and other payments that are subject to such withholding. You may
    be able to arrange for a lower withholding rate under an applicable tax
    treaty if you supply the appropriate documentation required by the fund.
    Each fund is also required in certain circumstances to apply backup
    withholding at the rate of 31% on dividends and redemption proceeds paid
    to any noncorporate shareholder (including a shareholder who is nether a
    citizen nor a resident of the United States) who does not furnish to the
    fund certain information and certifications or, in the case of dividends,
    who is otherwise subject to backup withholding. Backup withholding will
    not, however, be applied to payments that have been subject to 30%
    withholding. Prospective investors in a fund should read its Account
    Application for additional information regarding backup withholding of
    federal income tax.

    TAXABILITY OF TRANSACTIONS. When you redeem or exchange shares, it is
    considered a taxable event for you. Depending on the purchase price and
    the redemption price of the shares you redeem or exchange, you may have a
    gain or a loss on the transaction. You are responsible for any tax
    liabilities generated by your transaction.

o   UNIQUE NATURE OF SERIES

    MFS may serve as the investment adviser to other funds which have
    investment goals and principal investment policies and risks similar to
    those of the funds, and which may be managed by a fund's portfolio
    manager(s). While a fund may have many similarities to these other funds,
    its investment performance will differ from their investment performance.
    This is due to a number of differences between a fund and these similar
    products, including differences in sales charges, expense ratios and cash
    flows.

<PAGE>

--------------------------
VIII FINANCIAL HIGHLIGHTS
--------------------------

<TABLE>
    The financial highlights table is intended to help you understand a fund's financial performance for the past five years,
    or, if a fund has not been in operation that long, since the time it commenced investment operations. The total returns in
    the table represent the rate by which an investor would have earned (or lost) on an investment in a fund (assuming
    reinvestment of all distributions). This information has been audited by each fund's independent auditors, whose report,
    together with the fund's financial statements, are included in the fund's annual report to shareholders. A fund's annual
    report is available upon request by contacting MFSC (see back cover for address and phone number). These financial
    statements are incorporated by reference into the SAI. The fund's independent auditors are Deloitte & Touche LLP.


    GLOBAL FUND
    ...........................................................................................................................
<CAPTION>
                                                                                               YEAR ENDED JUNE 30,
                                                                  -------------------------------------------------------------
                                                                    2000          1999         1998          1997          1996
    ---------------------------------------------------------------------------------------------------------------------------
    <S>                                                           <C>           <C>          <C>           <C>           <C>
    PER SHARE DATA (FOR A SHARE OUTSTANDING THROUGHOUT EACH PERIOD):
    Net asset value - beginning of period ..................      $ 8.69        $ 8.18       $ 9.07        $ 9.28        $10.13
                                                                  ------        ------       ------        ------        ------
        Income from investment operations# -
      Net investment income(S) .............................      $ 0.43        $ 0.43       $ 0.48        $ 0.58        $ 0.64
      Net realized and unrealized gain (loss) on
        investments and foreign currency ...................       (0.27)         0.08        (0.16)        (0.25)        (0.48)
                                                                  ------        ------       ------        ------        ------
          Total from investment operations .................      $ 0.16        $ 0.51       $ 0.32        $ 0.33        $ 0.16
                                                                  ------        ------       ------        ------        ------
        Less distributions declared to shareholders -
      From net investment income ...........................      $(0.20)       $ --         $(1.10)       $(0.54)       $(0.48)
      From net realized gain on investments and
        foreign currency transactions ......................        --            --           --            --           (0.31)
      In excess of net realized gain on investments and
      foreign currency transactions ........................        --            --           --            --           (0.22)
      From paid-in capital .................................        --            --          (0.11)         --            --
                                                                  ------        ------       ------        ------        ------
          Total distributions declared to shareholders .....      $(0.20)       $ --         $(1.21)       $(0.54)       $(1.01)
                                                                  ------        ------       ------        ------        ------
    Net asset value - end of period ........................      $ 8.65        $ 8.69       $ 8.18        $ 9.07        $ 9.28
                                                                  ======        ======       ======        ======        ======
    Total return ...........................................        1.97%         6.11%        3.70%         3.40%         1.51%
    RATIOS (TO AVERAGE NET ASSETS)/SUPPLEMENTAL DATA(S):
      Expenses## ...........................................        0.66%         0.67%        0.65%         0.65%         0.65%
      Net investment income ................................        4.97%         4.86%        5.51%         6.09%         6.52%
    PORTFOLIO TURNOVER .....................................         201%          275%         413%          365%          425%
    NET ASSETS AT END OF PERIOD (000 OMITTED) ..............     $28,596       $14,907      $26,016       $53,517       $62,807

       (S) The investment adviser voluntarily agreed to maintain the expenses of the fund, excluding management fee, at not more
           than 0% of average daily net assets. To the extent that actual expenses were over this limitation, the net investment
           income per share and the ratios would have been:

             Net investment income .........................      $ 0.39        $ 0.39       $ 0.45        $ 0.55        $ 0.61
             RATIOS (TO AVERAGE NET ASSETS):
               Expenses## ..................................        1.07%         1.11%        1.01%         0.97%         0.95%
               Net investment income .......................        4.56%         4.42%        5.17%         5.78%         6.22%

     # Per share data are based on average shares outstanding.
    ## Ratios do not reflect expense reductions from certain expense offset arrangements.
</TABLE>

<PAGE>

<TABLE>

    HIGH YIELD FUND
    .......................................................................................................
<CAPTION>
                                                                               YEAR ENDED      PERIOD ENDED
                                                                            JUNE 30, 2000    JUNE 30, 1999*
    ------------------------------------------------------------------------------------------------------
<S>                                                                                 <C>             <C>
    PER SHARE DATA (FOR A SHARE OUTSTANDING THROUGHOUT EACH PERIOD):
    Net asset value - beginning of period ..................................        $ 9.93          $10.00
                                                                                    ------          ------
    Income from investment operations# -
      Net investment income(S) .............................................        $ 0.87          $ 0.50
      Net realized and unrealized loss on investments and foreign currency .         (0.83)          (0.16)
                                                                                    ------          ------
          Total from investment operations .................................        $ 0.04          $ 0.34
                                                                                    ------          ------
    Less distributions declared to shareholders from net investment
      income ...............................................................        $(0.84)         $(0.41)
                                                                                    ------          ------
    Net asset value - end of period ........................................        $ 9.13          $ 9.93
                                                                                    ======          ======
    Total return ...........................................................          0.55%           3.41%++
    RATIOS (TO AVERAGE NET ASSETS)/SUPPLEMENTAL DATA(S):
      Expenses## ...........................................................          0.68%           0.68%+
      Net investment income ................................................          9.08%           8.43%+
    PORTFOLIO TURNOVER .....................................................            56%             24%
    NET ASSETS AT END OF PERIOD (000 OMITTED) ..............................        $2,076          $2,067

     (S) The investment adviser voluntarily agreed under a temporary expense agreement to pay all of the
         fund's operating expenses, exclusive of management fees in excess of 0.15% of average daily net
         assets. To the extent that actual expenses were over this limitation, the net investment income
         per share and the ratios would have been:

           Net investment income ...........................................        $ 0.68          $ 0.25
           RATIOS (TO AVERAGE NET ASSETS):
             Expenses## ....................................................          2.60%           4.86%+
             Net investment income .........................................          7.16%           4.25%+

     * For the period from the commencement of the fund's investment operations, December 31, 1998, through
       June 30, 1999.
     + Annualized.
    ++ Not annualized.
     # Per share data are based on average shares outstanding.
    ## Ratios do not reflect expense reductions from certain expense offset arrangements.

</TABLE>
<PAGE>

<TABLE>

    CORE EQUITY FUND
    ...........................................................................................................
<CAPTION>
                                                                                    YEAR ENDED     PERIOD ENDED
                                                                                 JUNE 30, 2000   JUNE 30, 1999*
    ----------------------------------------------------------------------------------------------------------
    <S>                                                                                 <C>             <C>
    PER SHARE DATA (FOR A SHARE OUTSTANDING THROUGHOUT EACH PERIOD):
    Net asset value - beginning of period ......................................        $10.70          $10.00
                                                                                        ------          ------
    Income from investment operations# -
      Net investment income(S) .................................................        $ 0.07          $ 0.04
      Net realized and unrealized gain on investments and foreign currency .....          0.47            0.66
                                                                                        ------          ------
          Total from investment operations .....................................        $ 0.54          $ 0.70
                                                                                        ------          ------
        Less distributions declared to shareholders -
      From net investment income ...............................................        $(0.05)         $ --
      From net realized gain on investments and foreign currency transactions ..         (0.01)           --
                                                                                        ------          ------
          Total distributions declared to shareholders .........................        $(0.06)         $ --
                                                                                        ------          ------
    Net asset value - end of period ............................................        $11.18          $10.70
                                                                                        ======          ======
    Total return ...............................................................          5.04%           7.00%++
    RATIOS (TO AVERAGE NET ASSETS)/SUPPLEMENTAL DATA(S):
      Expenses## ...............................................................          0.65%           0.66%+
      Net investment income ....................................................          0.69%           0.68%+
    PORTFOLIO TURNOVER .........................................................            86%             36%
    NET ASSETS AT END OF PERIOD (000 OMITTED) ..................................        $17,298         $12,781

   (S) The investment adviser voluntarily agreed under a temporary expense agreement to pay all of the fund's
       operating expenses, exclusive of management fees, in excess of 0.05% of average daily net assets. To the
       extent actual expenses were over this limitation, net investment income (loss) per share and the ratios
       would have been:

         Net investment income (loss) ......................................        $ 0.03          $(0.01)
         RATIOS (TO AVERAGE NET ASSETS):
           Expenses## ......................................................          1.04%           1.40%+
           Net investment income (loss) ....................................          0.30%          (0.06)%+

     * For the period from the commencement of the fund's investment operations, December 31, 1998, through
       June 30, 1999.
     + Annualized.
    ++ Not annualized.
     # Per share data are based on average shares outstanding.
    ## Ratios do not reflect expense reductions from certain expense offset arrangements.

</TABLE>
<PAGE>

<TABLE>

    RESEARCH FUND
    ...........................................................................................................................
<CAPTION>
                                                             YEAR ENDED JUNE 30,                                   PERIOD ENDED
                                                                  -----------------------------------------------      JUNE 30,
                                                                    2000          1999         1998          1997         1996*
    ---------------------------------------------------------------------------------------------------------------------------
    <S>                                                           <C>           <C>          <C>           <C>           <C>
    PER SHARE DATA (FOR A SHARE OUTSTANDING THROUGHOUT EACH PERIOD):
    Net asset value - beginning of period ..................      $16.27        $14.76       $12.10        $ 9.78        $10.00
                                                                  ------        ------       ------        ------        ------
    Income from investment operations# -
      Net investment income(S) .............................      $ 0.03        $ 0.05       $ 0.07        $ 0.06        $ 0.02
      Net realized and unrealized gain(loss) on investments
        and foreign currency ...............................        3.24          1.99         3.07          2.29         (0.24)
                                                                  ------        ------       ------        ------        ------
          Total from investment operations .................      $ 3.27        $ 2.04       $ 3.14        $ 2.35        $(0.22)
                                                                  ------        ------       ------        ------        ------
    Less distributions declared to shareholders -
      From net investment income ...........................      $(0.08)       $(0.03)      $(0.05)       $(0.03)       $ --
      From net realized gain on investments and foreign
        currency transactions ..............................       (2.94)        (0.50)       (0.43)         --            --
                                                                  ------        ------       ------        ------        ------
          Total distributions declared to shareholders .....      $(3.02)       $(0.53)      $(0.48)       $(0.03)       $ --
                                                                  ------        ------       ------        ------        ------
    Net asset value - end of period ........................      $16.52        $16.27       $14.76        $12.10        $ 9.78
                                                                  ======        ======       ======        ======        ======
    Total return ...........................................       21.67%        14.12%       26.86%        24.12%        (2.20)%++
    RATIOS (TO AVERAGE NET ASSETS)/SUPPLEMENTAL DATA(S):
      Expenses## ...........................................        0.66%         0.66%        0.65%         0.65%         0.65%+
      Net investment income ................................        0.21%         0.37%        0.49%         0.56%         1.52%+
    PORTFOLIO TURNOVER .....................................          99%           99%          73%           84%            6%
    NET ASSETS AT END OF PERIOD (000 OMITTED) ..............     $73,159       $61,467     $100,377       $42,292       $22,779

   (S) The investment adviser voluntarily agreed under a temporary expense agreement to pay all of the fund's operating expenses,
       exclusive of management fees, in excess of 0.05% of average daily net assets. To the extent actual expenses were over this
       limitation net investment income per share and the ratios would have been:

         Net investment income .............................      $ 0.01        $ 0.04       $ 0.05        $ 0.03        $ --
         RATIOS (TO AVERAGE NET ASSETS):
           Expenses## ......................................        0.77%         0.77%        0.76%         0.90%         2.03%+
           Net investment income ...........................        0.10%         0.26%        0.38%         0.31%         0.14%+

     * For the period from the commencement of the fund's investment operations, May 20, 1996, through June 30, 1996.
     + Annualized.
    ++ Not annualized.
     # Per share data are based on average shares outstanding.
    ## Ratios do not reflect reductions from certain expense offset arrangements.

</TABLE>

<PAGE>


    LARGE CAP FUND
    ............................................................................
                                                                PERIOD ENDED
                                                              JUNE 30, 2000*
    ----------------------------------------------------------------------------
    PER SHARE DATA (FOR A SHARE OUTSTANDING THROUGHOUT THE PERIOD):
    Net asset value - beginning of period .....................      $10.00
    Income from investment operations# -
      Net investment income(S) ................................        0.03
      Net realized and unrealized loss on investments and
        foreign currency ......................................      (0.15)
                                                                     ------
        Total from investment operations ......................      $(0.12)
                                                                     ------
    Net asset value - end of period ...........................      $ 9.88
                                                                     ------
    Total return ..............................................       (1.20)%++
    RATIOS (TO AVERAGE NET ASSETS)/SUPPLEMENTAL DATA(S):
      Expenses## ..............................................        0.57%+
      Net investment income ...................................        0.96%+
    PORTFOLIO TURNOVER ........................................          98%
    NET ASSETS AT END OF PERIOD (000 OMITTED) .................      $15,242

     (S) The investment adviser voluntarily agreed under a temporary expense
         agreement to pay all of the fund's operating expenses, exclusive of
         management fees, in excess of 0.05% of average daily net assets. In
         addition, the investment adviser voluntarily waived a portion of its
         fee for the period indicated. To the extent actual expenses were over
         this limitation and the waiver had not been in place, the net
         investment loss per share and the ratios would have been:

           Net investment loss ................................      $(0.01)
           RATIOS (TO AVERAGE NET ASSETS):
             Expenses## .......................................        1.87%+
             Net investment loss ..............................       (0.34)%+

     * For the period from the commencement of the fund's investment operations,
       February 22, 2000, through June 30, 2000.
     + Annualized.
    ++ Not annualized.
     # Per share data are based on average shares outstanding.
    ## Ratios do not reflect expense reductions from certain expense offset
       arrangements.

<PAGE>

<TABLE>

    MID CAP FUND
    ...........................................................................................................................
<CAPTION>
                                                                  YEAR ENDED JUNE 30,                              PERIOD ENDED
                                                                  -----------------------------------------------      JUNE 30,
                                                                    2000          1999         1998          1997         1996*
    ---------------------------------------------------------------------------------------------------------------------------
    <S>                                                           <C>           <C>          <C>           <C>           <C>
    PER SHARE DATA (FOR A SHARE OUTSTANDING THROUGHOUT EACH PERIOD):
    Net asset value - beginning of period ..................      $16.28        $15.04       $12.25        $11.13        $10.00
                                                                  ------        ------       ------        ------        ------
    Income from investment operations# -
      Net investment loss(S) ...............................      $(0.08)       $(0.01)      $(0.02)       $(0.00)**     $(0.01)
      Net realized and unrealized gain on
        investments ........................................       12.51          2.96         3.45          1.40          1.14
                                                                  ------        ------       ------        ------        ------
      Total from investment operations .....................      $12.43        $ 2.95       $ 3.43        $ 1.40        $ 1.13
                                                                  ------        ------       ------        ------        ------
    Less distributions declared to shareholders
      from net realized gain on investments ................      $(2.63)       $(1.71)      $(0.64)       $(0.28)       $ --
                                                                  ------        ------       ------        ------        ------
    Net asset value - end of period ........................      $26.08        $16.28       $15.04        $12.25        $11.13
                                                                  ======        ======       ======        ======        ======
    Total return ...........................................       80.56%        22.05%       29.15%        12.80%        11.30%++
    RATIOS (TO AVERAGE NET ASSETS)/SUPPLEMENTAL DATA(S):
      Expenses## ...........................................        0.72%         0.66%        0.66%         0.66%         0.70%+
      Net investment loss ..................................       (0.37)%       (0.07)%      (0.17)%       (0.01)%       (0.25)%+
    PORTFOLIO TURNOVER .....................................         156%          147%         143%          136%           33%
    NET ASSETS AT END OF PERIOD (000 OMITTED) ..............    $127,004       $61,902      $48,936       $25,007        $8,149

     (S) From May 3, 1996, through October 31, 1999, the investment adviser voluntarily agreed to maintain the expenses of the fund,
         excluding management fees, at no more than 0.05% of average daily net assets. From December 28, 1995, through May 2, 1996,
         the investment adviser agreed to maintain the expenses at no more than 0.75%. To the extent actual expenses were over these
         limitations, the net investment loss per share and the ratios would have been:

           Net investment loss .............................      $(0.09)       $(0.03)      $(0.04)       $(0.04)       $(0.09)
           RATIOS (TO AVERAGE NET ASSETS):
             Expenses## ....................................        0.75%         0.80%        0.83%         0.99%         2.59%+
             Net investment loss ...........................       (0.40)%       (0.21)%      (0.35)%       (0.34)%       (2.14)%+

     * For the period from the commencement of the fund's investment operations, December 28, 1995, through June 30, 1996.
    ** The per share amount was less than $0.01.
     + Annualized.
    ++ Not annualized.
     # Per share data are based on average shares outstanding.
    ## Ratios do not reflect expense reductions from certain expense offset arrangements.

</TABLE>
<PAGE>

<TABLE>

    EMERGING EQUITIES FUND
    ..........................................................................................................................
<CAPTION>
                                                                                        YEAR ENDED JUNE 30,
                                                                  ------------------------------------------------------------
                                                                    2000          1999         1998          1997         1996
    --------------------------------------------------------------------------------------------------------------------------
<S>                                                               <C>           <C>          <C>           <C>           <C>
    PER SHARE DATA (FOR A SHARE OUTSTANDING THROUGHOUT EACH PERIOD):
    Net asset value - beginning of period ..................      $22.20        $22.95       $21.45        $21.17        $16.42
                                                                  ------        ------       ------        ------        ------
    Income from investment operations# -
      Net investment loss(S) ...............................      $(0.12)       $(0.08)      $(0.08)       $(0.04)       $(0.04)
      Net realized and unrealized gain on investments ......       11.76          0.98         4.54          3.42          6.55
                                                                  ------        ------       ------        ------        ------
          Total from investment operations .................      $11.64        $ 0.90       $ 4.46        $ 3.38        $ 6.51
                                                                  ------        ------       ------        ------        ------
    Less distributions declared to shareholders from net
      realized gain on investment transactions .............      $(2.45)       $(1.65)      $(2.96)       $(3.10)       $(1.76)
                                                                  ------        ------       ------        ------        ------
    Net asset value - end of period ........................      $31.39        $22.20       $22.95        $21.45        $21.17
                                                                  ======        ======       ======        ======        ======
    Total return ...........................................       54.04%         4.69%       23.51%        18.49%        41.37%
    RATIOS (TO AVERAGE NET ASSETS)/SUPPLEMENTAL DATA(S):
      Expenses## ...........................................        0.82%         0.79%        0.76%         0.75%         0.75%
      Net investment loss ..................................       (0.46)%       (0.41)%      (0.36)%       (0.22)%       (0.22)%
    PORTFOLIO TURNOVER .....................................          90%           78%          80%           96%           97%
    NET ASSETS AT END OF PERIOD (000 OMITTED) ..............    $744,487      $444,822     $502,393      $383,637      $259,362

      (S) Through December 31, 1998, the investment adviser voluntarily agreed to maintain the expenses of the fund at not more
          than 0.75% of the average daily net assets. To the extent actual expenses were over this limitation, the net investment
          loss per share and the ratios would have been:

            Net investment loss ............................                    $(0.09)      $(0.10)       $(0.06)       $(0.06)
            RATIOS (TO AVERAGE NET ASSETS):
              Expenses## ...................................                      0.83%        0.83%         0.84%         0.87%
              Net investment loss ..........................                     (0.45)%      (0.44)%       (0.31)%       (0.34)%

     # Per share data are based on average shares outstanding.
    ## Ratios do not reflect expense reductions from certain expense offset arrangements.

</TABLE>
<PAGE>

<TABLE>

    INTERNATIONAL EQUITY FUND
    ..............................................................................................................................
<CAPTION>
                                                                                 YEAR ENDED JUNE 30,
                                                                  -----------------------------------------------     PERIOD ENDED
                                                                    2000          1999         1998          1997   JUNE 30, 1996*
    -----------------------------------------------------------------------------------------------------------------------------
    PER SHARE DATA (FOR A SHARE OUTSTANDING THROUGHOUT EACH PERIOD):
<S>                                                               <C>           <C>          <C>           <C>           <C>
    Net asset value - beginning of period ..................      $12.91        $13.88       $13.04        $10.96        $10.00
                                                                  ------        ------       ------        ------        ------
    Income from investment operations# -
      Net investment income(S) .............................      $ 0.28        $ 0.15       $ 0.14        $ 0.23        $ 0.13
      Net realized and unrealized gain (loss)
        on investments and foreign currency ................        3.75         (0.10)        1.12          2.23          0.83
                                                                  ------        ------       ------        ------        ------
          Total from investment operations .................      $ 4.03        $ 0.05       $ 1.26        $ 2.46        $ 0.96
                                                                  ------        ------       ------        ------        ------
        Less distributions declared to shareholders -
      From net investment income ...........................      $(0.07)       $(0.22)      $(0.08)       $(0.13)       $ --
      From net realized gain on investments
        and foreign currency transactions ..................       (0.49)        (0.80)       (0.34)        (0.25)         --
                                                                  ------        ------       ------        ------        ------
          Total distributions declared to
            shareholders ...................................      $(0.56)       $(1.02)      $(0.42)       $(0.38)       $ --
                                                                  ------        ------       ------        ------        ------
    Net asset value - end of period ........................      $16.38        $12.91       $13.88        $13.04        $10.96
                                                                  ======        ======       ======        ======        ======
    Total return ...........................................       31.38%         0.74%       10.13%        22.97%         9.60%++
    RATIOS (TO AVERAGE NET ASSETS)/SUPPLEMENTAL DATA(S):
      Expenses## ...........................................        0.85%         0.87%        0.86%         0.87%         0.94%+
      Net investment income ................................        1.78%         1.18%        1.08%         1.98%         2.46%+
    PORTFOLIO TURNOVER .....................................          89%          109%          64%           76%           19%
    NET ASSETS AT END OF PERIOD (000 OMITTED) ..............     $60,925        $7,667      $12,477       $10,688        $2,498

     (S) Effective May 3, 1996, the investment adviser voluntarily agreed under a temporary expense agreement to pay all of the
         fund's operating expenses, exclusive of management fees, in excess of 0.10% of average daily net assets. During the period
         January 30, 1996, through May 2, 1996, the investment adviser voluntarily agreed under a temporary expense arrangement to
         pay all of the fund's operating expenses, exclusive of management fees, in excess of 0.20% of average daily net assets.
         To the extent actual expenses were over these limitations, the net investment income (loss) per share and the ratios would
         have been:

           Net investment income (loss) ....................      $ 0.24        $ 0.06       $ 0.07        $ 0.10        $(0.08)
           RATIOS (TO AVERAGE NET ASSETS):
             Expenses## ....................................        1.12%         1.54%        1.39%         2.01%         4.91%+
             Net investment income (loss) ..................        1.51%         0.51%        0.55%         0.84%        (1.51)%+

     * For the period from the commencement of the fund's investment operations, January 30, 1996, through June 30, 1996.
     + Annualized.
    ++ Not annualized.
     # Per share data are based on average shares outstanding.
    ## Ratios do not reflect expense reductions from certain expense offset arrangements.

</TABLE>

<PAGE>

----------
APPENDIX A
----------

o   INVESTMENT TECHNIQUES AND PRACTICES

    In pursuing its investment objective, each fund may engage in the
    following principal and non-principal investment techniques and practices.
    Investment techniques and practices which are the principal focus of a
    fund are described, together with their risks, in the Risk Return Summary
    of the Prospectus. Both principal and non-principal investment techniques
    and practices are described, together with their risks, in the SAI.

    INVESTMENT TECHNIQUES/PRACTICES
    ..........................................................................
    SYMBOLS          x  permitted          -- not permitted
    --------------------------------------------------------------------------

                                                                       HIGH
                                                           GLOBAL     YIELD
                                                            FUND       FUND
                                                           ------     ------
    Debt Securities
      Asset-Backed Securities
        Collateralized Mortgage Obligations and Multiclass
          Pass-Through Securities                             x         x
        Corporate Asset-Backed Securities                     x         x
        Mortgage Pass-Through Securities                      x         x
        Stripped Mortgage-Backed Securities                  --         --
    Corporate Securities                                      x         x
    Loans and Other Direct Indebtedness                       x         x
    Lower Rated Bonds                                         x         x
    Municipal Bonds                                           x         --
    Speculative Bonds                                         x         x
    U.S. Government Securities                                x         x
    Variable and Floating Rate Obligations                    x         x
    Zero Coupon Bonds, Deferred Interest Bonds and
      PIK Bonds                                               x         x
    Equity Securities                                         x         x
    Foreign Securities Exposure
      Brady Bonds                                             x         x
      Depositary Receipts                                     x         --
      Dollar-Denominated Foreign Debt Securities              x         --
      Emerging Markets                                        x         x
      Foreign Securities                                      x         x
    Forward Contracts                                         x         x
    Futures Contracts                                         x         x
    Indexed Securities/Structured Products                    x         x
    Inverse Floating Rate Obligations                        --         --
    Investment in Other Investment Companies
      Open-End Funds                                         --*        x
      Closed-End Funds                                        x         x
    Lending of Portfolio Securities                           x         x

    ----------
    *May only be changed with shareholder approval.


<PAGE>


    INVESTMENT TECHNIQUES/PRACTICES (CONTINUED)
    ..........................................................................
    SYMBOLS          x  permitted          -- not permitted
    --------------------------------------------------------------------------
                                                                         HIGH
                                                             GLOBAL     YIELD
                                                              FUND       FUND
                                                             ------     ------
        Leveraging Transactions
          Bank Borrowings                                      --*        --
          Mortgage "Dollar-Roll" Transactions                   x**       --
          Reverse Repurchase Agreements                        --*        --
        Options
          Options on Foreign Currencies                         x         --
          Options on Futures Contracts                          x         --
          Options on Securities                                 x         x
          Options on Stock Indices                              x         x
          Reset Options                                         x         --
          "Yield Curve" Options                                 x         --
      Repurchase Agreements                                     x         x
      Restricted Securities                                     x         x
      Short Sales                                              --*        x
      Short Sales Against the Box                              --*        x
      Short Term Instruments                                    x         x
      Swaps and Related Derivative Instruments                  x         x
      Temporary Borrowings                                      x         x
      Temporary Defensive Positions                             x         x
      Warrants                                                  x         x
      "When-Issued" Securities                                  x         x

    ----------
     * May only be changed with shareholder approval.
    ** The fund will only enter into "covered" mortgage dollar-roll
       transactions, meaning that the fund segregates liquid securities equal
       in value to the securities it will repurchase and does not use these
       transactions as a form of leverage.


<PAGE>


    INVESTMENT TECHNIQUES/PRACTICES
    ..........................................................................
    SYMBOLS          x  permitted          -- not permitted
    --------------------------------------------------------------------------
                                        CORE
                                       EQUITY    RESEARCH  LARGE CAP  MID CAP
                                        FUND       FUND      FUND      FUND
                                       ------     ------    ------    ------
    Debt Securities
      Asset-Backed Securities
        Collateralized Mortgage
          Obligations and Multiclass
          Pass-Through Securities        --         --        --        --
        Corporate Asset-Backed
          Securities                     --         --        --        --
        Mortgage Pass-Through
          Securities                     --         --        --        --
        Stripped Mortgage-Backed
          Securities                     --         --        --        --
      Corporate Securities                x         x         x         x
      Loans and Other Direct
        Indebtedness                     --         --        --        --
      Lower Rated Bonds                  --         x         x         x
      Municipal Bonds                    --         --        --        --
      Speculative Bonds                  --         x         x         x
      U.S. Government Securities         --         x         x         x
      Variable and Floating Rate
        Obligations                       x         x         x         x
      Zero Coupon Bonds, Deferred
        Interest Bonds and PIK Bonds      x         --        x         x
    Equity Securities                     x         x         x         x
    Foreign Securities Exposure
      Brady Bonds                        --         --        --        --
      Depositary Receipts                 x         x         x         x
      Dollar-Denominated Foreign Debt
        Securities                       --         x         --        --
      Emerging Markets                    x         x         x         x
      Foreign Securities                  x         x         x         x
    Forward Contracts                     x         x         x         x
    Futures Contracts                     x         --        x         x
    Indexed Securities/Structured
      Products                           --         x         --        --
    Inverse Floating Rate Obligations    --         --        --        --
    Investment in Other Investment
      Companies
      Open-End Funds                      x         x         x         x
      Closed-End Funds                    x         x         x         x
    Lending of Portfolio Securities       x         x         x         x
    Leveraging Transactions
      Bank Borrowings                    --         --        --        --
      Mortgage "Dollar-Roll"
        Transactions                     --         --        --        --
      Reverse Repurchase Agreements      --         --        --        --


<PAGE>


    INVESTMENT TECHNIQUES/PRACTICES (CONTIUED)
    ..........................................................................
    SYMBOLS          x  permitted          -- not permitted
    --------------------------------------------------------------------------
                                        CORE
                                       EQUITY    RESEARCH  LARGE CAP  MID CAP
                                        FUND       FUND      FUND      FUND
                                       ------     ------    ------    ------
    Options
      Options on Foreign Currencies      --         --         x         x
      Options on Futures Contracts       --         --         x         x
      Options on Securities              --         --         x         x
      Options on Stock Indices           --         --         x         x
      Reset Options                      --         --        --        --
      "Yield Curve" Options              --         --        --        --
    Repurchase Agreements                 x          x         x         x
    Restricted Securities                 x          x         x         x
    Short Sales                          --         --         x         x
    Short Sales Against the Box          --          x         x         x
    Short Term Instruments                x          x         x         x
    Swaps and Related Derivative
    Instruments                          --         --        --        --
    Temporary Borrowings                  x          x         x         x
    Temporary Defensive Positions         x          x         x         x
    Warrants                              x          x         x         x
    "When-Issued" Securities              x         --         x         x


<PAGE>


    INVESTMENT TECHNIQUES/PRACTICES (CONTINUED)
    ..........................................................................
    SYMBOLS          x  permitted          -- not permitted
    --------------------------------------------------------------------------
                                                       EMERGING    INTERNATIONAL
                                                       EQUITIES       EQUITY
                                                         FUND          FUND
                                                        ------        ------
    Debt Securities
      Asset-Backed Securities
        Collateralized Mortgage
          Obligations and Multiclass
          Pass-Through Securities                         --            --
        Corporate Asset-Backed Securities                 --            --
        Mortgage Pass-Through Securities                  --            --
        Stripped Mortgage-Backed Securities               --            --
      Corporate Securities                                x             --
      Loans and Other Direct Indebtedness                 --            --
      Lower Rated Bonds                                   --            --
      Municipal Bonds                                     --            --
      Speculative Bonds                                   x             --
      U.S. Government Securities                          x              x
      Variable and Floating Rate Obligations              x             --
      Zero Coupon Bonds, Deferred Interest Bonds
        and PIK Bonds                                     --            --
    Equity Securities                                     x              x
    Foreign Securities Exposure
      Brady Bonds                                         --            --
      Depositary Receipts                                 x              x
      Dollar-Denominated Foreign Debt Securities          x             --
      Emerging Markets                                    x              x
      Foreign Securities                                  x              x
    Forward Contracts                                     x              x
    Futures Contracts                                     x              x
    Indexed Securities/Structured Products                --            --
    Inverse Floating Rate Obligations                     --            --
    Investment in Other Investment Companies
      Open-End Funds                                      --*            x
      Closed-End Funds                                    x              x
    Lending of Portfolio Securities                       --*            x
    Leveraging Transactions
      Bank Borrowings                                     --*           --
      Mortgage "Dollar-Roll" Transactions                 x **           --
      Reverse Repurchase Agreements                       --*           --

    ----------
     * May only be changed with shareholder approval.
    ** The fund will only enter into "covered" mortgage dollar-roll
       transactions, meaning that the fund segregates liquid securities equal
       in value to the securities it will repurchase and does not use these
       transactions as a form of leverage.

<PAGE>

    INVESTMENT TECHNIQUES/PRACTICES (CONTINUED)
    ..........................................................................
    SYMBOLS          x  permitted          -- not permitted
    --------------------------------------------------------------------------
                                                        EMERGING   INTERNATIONAL
                                                        EQUITIES      EQUITY
                                                          FUND         FUND
                                                         ------       ------

        Options

          Options on Foreign Currencies                      --            x
          Options on Futures Contracts                       x             x
          Options on Securities                              x             x
          Options on Stock Indices                           x             x
          Reset Options                                      --           --
          "Yield Curve" Options                              --           --
        Repurchase Agreements                                x             x
        Restricted Securities                                x             x
        Short Sales                                          --           --
        Short Sales Against the Box                          x             x
        Short Term Instruments                               x             x
        Swaps and Related Derivative Instruments             --           --
        Temporary Borrowings                                 x             x
        Temporary Defensive Positions                        x             x
        Warrants                                             x             x
        "When-Issued" Securities                             --            x
<PAGE>


    MFS(R) INSTITUTIONAL TRUST


    If you want more information about the funds, the following documents are
    available free upon request:


    ANNUAL/SEMIANNUAL REPORTS. These reports contain information about the
    funds' actual investments. Annual reports discuss the effect of recent
    market conditions and the funds' investment strategy on the funds'
    performance during their last fiscal year.

    STATEMENT OF ADDITIONAL INFORMATION (SAI). The SAI, dated November 1,
    2000, provides more detailed information about the funds and is
    incorporated into this prospectus by reference.


    YOU CAN GET FREE COPIES OF THE ANNUAL/SEMIANNUAL REPORTS, THE SAI AND
    OTHER INFORMATION ABOUT THE FUNDS, AND MAKE INQUIRIES ABOUT THE FUNDS, BY
    CONTACTING:

        MFS Service Center, Inc.
        2 Avenue de Lafayette
        Boston, MA 02111-1738
        Telephone: 1-800-637-2262
        Internet: http://www.mfs.com


    Information about the funds (including their prospectus, SAI and
    shareholder reports) can be reviewed and copied at the:


        Public Reference Room
        Securities and Exchange Commission
        Washington, D.C., 20549-6009


    Information on the operation of the Public Reference Room may be obtained
    by calling the Commission at 1-202-942-8090. Reports and other information
    about the funds are available on the EDGAR Database on the Commission's
    Internet website at http://www.sec.gov, and copies of this information may
    be obtained, upon payment of a duplicating fee, by electronic request at
    the following e-mail address: publicinfo@secgov or by writing the Public
    Reference Section at the above address.


        The Trust's Investment Company Act file number is 811-6174.


                                                     [Graphic] MFSI-1  10/00  7M
<PAGE>

--------------------------
MFS(R) INSTITUTIONAL TRUST
--------------------------


NOVEMBER 1, 2000


[Logo] M F S(R)                                        STATEMENT OF ADDITIONAL
INVESTMENT MANAGEMENT                                              INFORMATION
We invented the mutual fund(R)

MFS(R) INSTITUTIONAL TRUST
500 BOYLSTON STREET, BOSTON, MA 02116
(617) 954-5000


This Statement of Additional Information, as amended or supplemented from time
to time (the "SAI"), sets forth information which may be of interest to
investors but which is not necessarily included in the Funds' Prospectus dated
November 1, 2000, as supplemented from time to time. The Fund's financial
statements are incorporated into this SAI by reference to the Funds' most recent
Annual Report to shareholders. A copy of the Annual Report accompanies this SAI.
This SAI should be read in conjunction with the Prospectus, a copy of which may
be obtained without charge by contacting the Shareholder Servicing Agent (see
back cover for address and phone number).

This SAI relates to the eight Funds identified on page three hereof. Shares of
these Funds are designed for sale to institutional investor clients of MFS and
MFS Institutional Advisors, Inc., a wholly owned subsidiary of MFS, and other
similar investors.


THIS SAI IS NOT A PROSPECTUS AND IS AUTHORIZED FOR DISTRIBUTION TO PROSPECTIVE
INVESTORS ONLY IF PRECEDED OR ACCOMPANIED BY A CURRENT PROSPECTUS.


                                                       MFSI-13  10/00  500

<PAGE>

  -----------------
  TABLE OF CONTENTS
  -----------------

                                                                          Page

I    Definitions .......................................................    3
II   Investment Techniques, Practices and Risks ........................    3
III  Investment Restrictions ...........................................    3
IV   Management of the Funds ...........................................    7
         Trustees ......................................................    7
         Officers ......................................................    7
         Trustees Compensation Table ...................................    9
         Investment Adviser ............................................   10
         Investment Advisory Agreement .................................   10
         Administrator .................................................   11
         Custodian .....................................................   11
         Shareholder Servicing Agent ...................................   11
         Distributor ...................................................   12
V    Portfolio Transactions and Brokerage Commissions ..................   12
VI   Tax Considerations ................................................   13
VII  Net Income and Distributions ......................................   15
VIII Determination of Net Asset Value ..................................   15
IX   Performance Information ...........................................   16
X    Descriptions of Shares, Voting Rights and Liabilities .............   18
XI   Independent Auditors and Financial Statements .....................   18
     Appendix A -- Investment Techniques, Practices and Risks ..........  A-1
     Appendix B -- Description of Bond Ratings .........................  B-1
     Appendix C -- Performance Quotation ...............................  C-1

<PAGE>

I    DEFINITIONS
     "Trust" - MFS Institutional Trust, a Massachusetts business trust organized
     on September 13, 1990.


     "Global Fund" - MFS Institutional Global Fixed Income Fund, formerly known
     as MFS Institutional Worldwide Fixed Income Fund until its name was changed
     on October 16, 1997, a non-diversified series of the Trust.

     "High Yield Fund" - MFS Institutional High Yield Fund, a diversified series
     of the Trust.*

     "Core Equity Fund" - MFS Institutional Core Equity Fund, a diversified
     series of the Trust.*

     "Research Fund" - MFS Institutional Research Fund, a diversified series of
     the Trust.*

     "Large Cap Fund" - MFS Institutional Large Cap Growth Fund, a diversified
     series of the Trust.*

     "Mid Cap Fund" - MFS Institutional Mid Cap Growth Fund, formerly known as
     MFS Institutional Mid-Cap Growth Equity Fund until its name was changed on
     October 16, 1997, a diversified series of the Trust.*

     "Emerging Equities Fund" - MFS Institutional Emerging Equities Fund, a
     diversified series of the Trust.*

     "International Equity Fund" - MFS Institutional International Equity Fund,
     a diversified series of the Trust.*

     "Funds" - Global Fund, High Yield Fund, Core Equity Fund, Research Fund,
     Large Cap Fund, Mid Cap Fund, Emerging Equities Fund and International
     Equity Fund.

     "MFS" or the "Adviser" - Massachusetts Financial Services Company, a
     Delaware corporation.

     "MFD" - MFS Fund Distributors, Inc., a Delaware Corporation.

     "Prospectus" - The Prospectus of the Funds, dated November 1, 2000, as
      amended or supplemented from time to time.

     ----------------
     * Being a diversified series of the Trust means that, with respect to 75%
       of its total assets, the series may not (1) purchase more than 10% of the
       outstanding voting securities of any one issuer, or (2) purchase
       securities of any issuer if, as a result, more than 5% of the series'
       total assets would be invested in that issuer's securities. This
       limitation does not apply to obligations of the U.S. Government or its
       agencies or instrumentalities.

II   INVESTMENT TECHNIQUES, PRACTICES AND RISKS
     The investment objective and principal investment policies of each Fund are
     described in the Prospectus. In pursuing its investment objective and
     principal investment policies, a Fund may engage in a number of investment
     techniques and practices, which involve certain risks. These investment
     techniques and practices, which may be changed without shareholder approval
     unless indicated otherwise, are identified in Appendix A to the Prospectus,
     and are more fully described, together with their associated risks, in
     Appendix A to this SAI. The following percentage limitations (as a
     percentage of net assets) apply to these investment techniques and
     practices:

                                                           PERCENTAGE LIMITATION
         INVESTMENT POLICY                                 (BASED ON NET ASSETS)
         -----------------                                 ---------------------
     1. GLOBAL FUND
        Foreign Securities: .............................  100%
        Emerging Market Securities: .....................   25%
        Lower Rated Bonds: ..............................   25%
        Securities Lending: .............................   30%
     2. HIGH YIELD FUND
        Foreign Securities, including
        emerging markets: ...............................   50%
        Lower Rated Bonds: ..............................  100%
        Securities Lending: .............................   30%
     3. CORE EQUITY FUND
        Foreign Securities: .............................   10%
        Securities Lending: .............................   30%
     4. RESEARCH FUND
        Foreign Securities: .............................  up to (but not
                                                           including) 20%
        Lower Rated Bonds: ..............................   10%
        Securities Lending: .............................   30%
     5. LARGE CAP FUND
        Foreign Securities: .............................   25%
        Securities Lending: .............................  up to (but not
                                                           including) 20%
     6. MID CAP FUND
        Foreign Securities: .............................  up to (but not
                                                           including) 20%
        Lower Rated Bonds: ..............................   10%
        Securities Lending: .............................   30%
     7. EMERGING EQUITIES FUND
        Foreign Securities: .............................  up to (but not
                                                           including) 20%
     8. INTERNATIONAL EQUITY FUND
        Foreign Securities: .............................  100%
        Emerging Market Securities: .....................   25%
        Securities Lending: .............................   30%

III  INVESTMENT RESTRICTIONS

     INVESTMENT RESTRICTIONS. The Trust on behalf of each Fund has adopted the
     following fundamental and non-fundamental investment restrictions.
     Fundamental restrictions cannot be changed without the approval of the
     holders of a majority of that Fund's shares (which, as used in this SAI,
     means the lesser of (i) more than 50% of its outstanding shares, or (ii)
     67% or more of its outstanding shares present at a meeting at which holders
     of more than 50% of its outstanding shares are represented in person or by
     proxy).

     Except for Investment Restriction (1) and each Funds' non-fundamental
     investment policy regarding investing in illiquid securities, these
     investment restrictions and policies are adhered to at the time of purchase
     or utilization of assets; a subsequent change in circumstances will not be
     considered to result in a violation of policy. In the event of a violation
     of non-fundamental policy (1), each Fund will reduce the percentage of its
     assets invested in illiquid investments in due course, taking into account
     the best interests of shareholders.

     As fundamental policies, the Research Fund, the Mid Cap Fund and the
     International Equity Fund each may not:

            (1) Borrow amounts in excess of 33 1/3% of its assets including
        amounts borrowed.

            (2) Underwrite securities issued by other persons except insofar as
        the Fund may technically be deemed an underwriter under the Securities
        Act of 1933 in selling a portfolio security.

            (3) Purchase or sell real estate (including limited partnership
        interests but excluding securities secured by real estate or interests
        therein and securities of companies, such as real estate investment
        trusts, which deal in real estate or interests therein), interests in
        oil, gas or mineral leases, commodities or commodity contracts
        (excluding Options, Options on Futures Contracts, Options on Stock
        Indices, Options on Foreign Currencies and any other type of option, and
        Futures Contracts) in the ordinary course of its business, each Fund
        reserves the freedom of action to hold and to sell real estate, mineral
        leases, commodities or commodity contracts (including Options, Options
        on Futures Contracts, Options on Stock Indices, Options on Foreign
        Currencies and any other type of option, and Futures Contracts) acquired
        as a result of the ownership of securities.

            (4) Issue any senior securities except as permitted by the
        Securities Act of 1940 ("1940 Act"). For purposes of this restriction,
        collateral arrangements with respect to any type of option (including
        Options, Options on Futures Contracts, Options on Stock Indices, Options
        on Foreign Currencies), Forward Contracts, Futures Contracts and swap
        and collateral arrangements with respect to initial and variation margin
        are not deemed to be the issuance of a senior security.

            (5) Make loans to other persons. For these purposes, the purchase of
        short-term commercial paper, the purchase of a portion or all of an
        issue of debt securities, the lending of portfolio securities, or the
        investment of a Fund's assets in repurchase agreements, shall not be
        considered the making of a loan.

            (6) Purchase any securities of an issuer of a particular industry
        if, as a result, 25% or more of its gross assets would be invested in
        securities of issuers whose principal business activities are in the
        same industry (except obligations issued or guaranteed by the U.S.
        Government or its agencies and instrumentalities and repurchase
        agreements collateralized by such obligations).


     In addition, the Research Fund, the Mid Cap Fund and the International
     Equity Fund have adopted the following non-fundamental policies which may
     be changed without shareholder approval. Each such Fund will not:


            (1) Invest in illiquid investments, including securities subject to
        legal or contractual restrictions on resale or for which there is no
        readily available market (e.g., trading in the security is suspended,
        or, in the case of unlisted securities, where no market exists) if more
        than 15% of the Fund's net assets (taken at market value) would be
        invested in such securities. Repurchase agreements maturing in more than
        seven days will be deemed to be illiquid for purposes of a Fund's
        limitation on investment in illiquid securities. Securities that are not
        registered under the Securities Act of 1933, as amended, and sold in
        reliance on Rule 144A thereunder, but are determined to be liquid by the
        Trust's Board of Trustees (or its delegee), will not be subject to this
        15% limitation.


            (2) Invest for the purpose of exercising control or management.

     As fundamental policies, the Emerging Equities Fund may not:


            (1) borrow amounts in excess of 5% of its gross assets, and then
        only as a temporary measure for extraordinary purposes, or pledge,
        mortgage or hypothecate an amount of its assets taken at market value
        which would exceed 15% of its gross assets, in each case taken at the
        lower of cost or market value. For the purpose of this restriction,
        collateral arrangements with respect to Options, Futures Contracts,
        Options on Futures Contracts, Forward Contracts, and payments of initial
        and variation margin in connection therewith are not considered a pledge
        of assets.

            (2) Underwrite securities issued by other persons except insofar as
        the Fund may technically be deemed an underwriter under the Securities
        Act of 1933 in selling a portfolio security.

            (3) Concentrate investments in any particular industry, but if it is
        deemed appropriate for the attainment of the Fund's investment
        objective, up to 25% of the Fund's assets, at market value at the time
        of each investment, may be invested in any one industry.

            (4) Purchase or sell real estate (including limited partnership
        interests but excluding securities of companies, such as real estate
        investment trusts, which deal in real estate or interests therein) or
        mineral leases, commodities or commodity contracts (except for Options,
        Futures Contracts, Options on Futures Contracts and Forward Contracts)
        in the ordinary course of its business. The Fund reserves the freedom of
        action to hold and to sell real estate or mineral leases, commodities or
        commodity contracts acquired as a result of the ownership of securities.
        The Fund will not purchase securities for the purpose of acquiring real
        estate or mineral leases, commodities or commodity contracts (except for
        Options, Futures Contracts, Options on Futures Contracts and Forward
        Contracts).

            (5) Make loans to other persons except that the Fund may enter into
        repurchase agreements. Not more than 15% of the Fund's total assets will
        be invested in repurchase agreements maturing in more than seven days.
        Subject to the limitation set forth in the policies below, the Fund may
        purchase a portion of an issue of debt securities of types commonly
        distributed to financial institutions. For these purposes the purchase
        of short-term commercial paper or a portion of an issue of debt
        securities which are part of an issue to the public shall not be
        considered the making of a loan.

            (6) Purchase the securities of any issuer if such purchase, at the
        time thereof, would cause more than 5% of the Fund's total assets taken
        at market value to be invested in the securities of such issuer, other
        than U.S. Government securities.

            (7) Purchase voting securities of any issuer if such purchase, at
        the time thereof, would cause more than 10% of the outstanding voting
        securities of such issuer to be held by the Fund.

            (8) Invest for the purpose of exercising control or management.

            (9) Purchase securities issued by any other registered investment
        company or registered investment trust except by purchase in the open
        market where no commission or profit to a sponsor or dealer results from
        such purchase other than the customary broker's commission, or except
        when such purchase, though not made in the open market, is part of a
        plan of merger or consolidation; provided, however, that the Fund shall
        not purchase the securities of any investment company or investment
        trust if such purchase at the time thereof would cause more than 10% of
        the Fund's total assets, taken at market value, to be invested in the
        securities of such issuer; and provided, further, that the Fund shall
        not purchase securities issued by any open-end investment company.

            (10) Purchase or retain any securities of an issuer any of whose
        officers, directors, trustees or security holders is an officer or
        Trustee of the Trust, or is a member, officer or Director of the
        Adviser, if after the purchase of the securities of such issuer by the
        Fund one or more of such persons owns beneficially more than 1/2 of 1%
        of the shares or securities, or both, all taken at market value, of such
        issuer, and such persons owning more than 1/2 of 1% of such shares or
        securities together own beneficially more than 5% of such shares or
        securities, or both, all taken at market value.

            (11) Purchase any securities or evidences of interest therein on
        margin, except that the Fund may obtain such short-term credit as may be
        necessary for the clearance of purchases and sales of securities and
        except that the Fund may make margin deposits in connection with
        Options, Futures Contracts, Options on Futures Contracts and Forward
        Contracts.

            (12) Sell any security which the Fund does not own unless by virtue
        of its ownership of other securities the Fund has at the time of sale a
        right to obtain securities without payment of further consideration
        equivalent in kind and amount to the securities sold and provided that
        if such right is conditional the sale is made upon the same conditions.

            (13) Issue any senior securities except as permitted by the 1940
        Act.

     In addition, the Emerging Equities Fund has adopted the following
     non-fundamental investment policies which may be changed without
     shareholder approval. The Fund will not:

            (1) Invest in securities which are subject to legal or contractual
        restrictions on resale, or for which there is no readily available
        market (e.g., trading in the security is suspended or, in the case of
        unlisted securities, market makers do not exist or will not entertain
        bids or offers) unless the Board of Trustees has determined that such
        securities are liquid based upon trading markets for the specific
        security, or repurchase agreements maturing in more than seven days, if
        more than 15% of the Fund's net assets (taken at market value) would be
        invested in such securities or such repurchase agreements.

            (2) Invest more than 20% of its total assets in foreign securities
        (excluding American Depositary Receipts);

            (3) Invest 25% or more of the market value of its total assets in
        securities of issuers in any one industry.


       As fundamental policies, the Global Fund may not:


            (1) Borrow amounts in excess of 10% of its gross assets, and then
        only as a temporary measure for extraordinary or emergency purposes, or
        pledge, mortgage or hypothecate its assets (taken at market value) to an
        extent greater than 33 1/3% of its gross assets, in each case taken at
        the lower of cost or market value and subject to a 300% asset coverage
        requirement (for the purpose of this restriction, collateral
        arrangements with respect to Options, Futures Contracts, Options on
        Futures Contracts, Forward Contracts and Options on Foreign Currencies
        and payments of initial and variation margin in connection therewith are
        not considered a pledge of assets).

            (2) Underwrite securities issued by other persons except insofar as
        the Trust may technically be deemed an underwriter under the Securities
        Act of 1933 in selling a portfolio security.

            (3) Invest more than 25% of the market value of its total assets in
        securities of issuers in any one industry.

            (4) Purchase or sell real estate (including limited partnership
        interests but excluding securities secured by real estate or interests
        therein), interests in oil, gas or mineral leases, commodities (except
        gold, and then subject to a limit of 10% of its gross assets) or
        commodity contracts (except gold futures/forward contracts, Forward
        Contracts, Futures Contracts, Options, Options on Futures Contracts and
        Options on Foreign Currencies) in the ordinary course of its business.
        The Fund reserves the freedom of action to hold and to sell real estate
        acquired as a result of the ownership of securities.

            (5) Make loans to other persons except through the lending of its
        portfolio securities in accordance with, and to the extent permitted by,
        its investment objective and policies and except through repurchase
        agreements. Not more than 15% of the Fund's assets will be invested in
        repurchase agreements maturing in more than seven days. For these
        purposes the purchase of commercial paper or a portion of an issue of
        debt securities shall not be considered the making of a loan.

            (6) Purchase the securities of any issuer if such purchase, at the
        time thereof, would cause more than 5% of its total assets (taken at
        market value) to be invested in the securities of such issuer, other
        than securities issued or guaranteed by the U.S. Government, any foreign
        government or any of their agencies or instrumentalities.

            (7) Purchase voting securities of any issuer if such purchase, at
        the time thereof, would cause more than 10% of the outstanding voting
        securities of such issuer to be held by the Fund; or purchase securities
        of any issuer if such purchase at the time thereof would cause more than
        10% of any class of securities of such issuer to be held by the Fund.
        For this purpose all indebtedness of an issuer shall be deemed a single
        class and all preferred stock of an issuer shall be deemed a single
        class.

            (8) Invest for the purpose of exercising control or management.

            (9) Purchase securities issued by any closed-end investment company
        except by purchase in the open market where no commission or profit to a
        sponsor or dealer results from such purchase other than the customary
        broker's commission, or except when such purchase, though not made in
        the open market, is part of a plan of merger or consolidation; provided,
        however, that the Fund shall not purchase such securities if such
        purchase at the time thereof would cause more than 10% of its total
        assets (taken at market value) to be invested in the securities of such
        issuers, or more than 3% of the total outstanding voting securities of
        any closed-end investment company to be held by the Fund. The Fund shall
        not purchase securities issued by any open-end investment company;

            (10) Invest more than 5% of its assets in companies which, including
        predecessors, have a record of less than three years' continuous
        operation.

            (11) Purchase or retain in its portfolio any securities issued by an
        issuer any of whose officers, directors, trustees or security holders is
        an officer or Trustee of the Fund, or is a partner, officer, Director or
        Trustee of the Adviser, if after the purchase of the securities of such
        issuer by the Fund one or more of such persons owns beneficially more
        than 1/2 of 1% of the shares or securities, or both, of such issuer, and
        such persons owning more than 1/2 of 1% of such shares or securities
        together own beneficially more than 5% of such shares or securities, or
        both.

            (12) Purchase any securities, gold or evidences of interest therein
        on margin, except that the Fund may obtain such short-term credit as may
        be necessary for the clearance of any transactions and except that the
        Fund may make margin deposits in connection with Futures Contracts,
        Options on Futures Contracts, Options and Options on Foreign Currencies.

            (13) Sell any security which the Fund does not own unless by virtue
        of its ownership of other securities the Fund has at the time of sale a
        right to obtain securities without payment of further consideration
        equivalent in kind and amount to the securities sold and provided that
        if such right is conditional the sale is made upon the same conditions.

     In addition, the Global Fund has adopted the following non-fundamental
     investment policy which may be changed without shareholder approval. The
     Fund will not:

            (1) Invest in securities which are subject to legal or contractual
        restrictions on resale, or for which there is no readily available
        market (e.g., trading in the security is suspended or, in the case of
        unlisted securities, market makers do not exist or will not entertain
        bids or offers), unless the Board of Trustees has determined that such
        securities are liquid based upon trading markets for a specific
        security, if more than 15% of the Fund's net assets (taken at market
        value) would be invested in such securities.

     As fundamental policies, the High Yield Fund, the Core Equity Fund and the
     Large Cap Fund each may  not:

            (1) Borrow amounts from banks in excess of 33 1/3% of its total
        assets, including amounts borrowed.

            (2) Underwrite securities issued by other persons except insofar as
        a Fund may technically be deemed an underwriter under the Securities Act
        of 1933 in selling a portfolio security.

            (3) Purchase or sell real estate (excluding securities secured by
        real estate or interests therein and securities of companies, such as
        real estate investment trusts, which deal in real estate or interests
        therein), interests in oil, gas or mineral leases, commodities or
        commodity contracts (excluding Options, Options on Futures Contracts,
        Options on Stock Indices, Options on Foreign Currency and any other type
        of option, Futures Contracts, any other type of futures contract, and
        Forward Contracts) in the ordinary course of its business. Each Fund
        reserves the freedom of action to hold and to sell real estate, mineral
        leases, commodities or commodity contracts (including Options, Options
        on Futures Contracts, Options on Stock Indices, Options on Foreign
        Currency and any other type of option, Futures Contracts, any other type
        of futures contract, and Forward Contracts) acquired as a result of the
        ownership of securities.

            (4) Issue any senior securities except as permitted by the 1940 Act.
        For purposes of this restriction, collateral arrangements with respect
        to any type of option (including Options on Futures Contracts, Options,
        Options on Stock Indices and Options on Foreign Currencies), short sale,
        Forward Contracts, Futures Contracts, any other type of futures
        contracts, and collateral arrangements with respect to initial and
        variation margin, are not deemed to be the issuance of a senior
        security.

            (5) Make loans to other persons. For these purposes, the purchase of
        short-term commercial paper, the purchase of a portion or all of an
        issue of debt securities, the lending of portfolio securities, or the
        investment of a Fund's assets in repurchase agreements, shall not be
        considered the making of a loan.

            (6) Purchase any securities of an issuer of a particular industry,
        if as a result, 25% or more of its total assets would be invested in
        securities of issuers whose principal business activities are in the
        same industry (except obligations issued or guaranteed by the U.S.
        Government or its agencies and instrumentalities and repurchase
        agreements collateralized by such obligations).

     In addition, the High Yield Fund, the Core Equity Fund and the Large Cap
     Fund each has the following non-fundamental policies which may be changed
     without shareholder approval. Each such Fund will not:

            (1) Invest in illiquid investments, including securities subject to
        legal or contractual restrictions on resale or for which there is no
        readily available market (e.g., trading in the security is suspended,
        or, in the case of unlisted securities, where no market exists), if more
        than 15% of a Fund's net assets (taken at market value) would be
        invested in such securities. Repurchase agreements maturing in more than
        seven days will be deemed to be illiquid for purposes of a Fund's
        limitation on investment in illiquid securities. Securities that are not
        registered under the 1933 Act and sold in reliance on Rule 144A
        thereunder, but are determined to be liquid by the Trust's Board of
        Trustees (or its delegee), will not be subject to this 15% limitation.

            (2) Invest for the purpose of exercising control or management.

IV   MANAGEMENT OF THE FUNDS


     The Board of Trustees of the Trust provides broad supervision over the
     affairs of each Fund. MFS is responsible for the investment management of
     each Fund's assets and the officers of the Trust are responsible for its
     operations. The Trustees and officers are listed below, together with their
     principal occupations during the past five years (their titles may have
     varied during that period).

     The Funds and their Adviser and Distributor have adopted codes of ethics as
     required under the Investment Company Act of 1940 ("the 1940 Act"). Subject
     to certain conditions and restrictions, these codes permit personnel
     subject to the codes to invest in securities for their own accounts,
     including securities that may be purchased, held or sold by a Fund.
     Securities transactions by some of these persons may be subject to prior
     approval of the Adviser's or Sub-Adviser's compliance departments.
     Securities transactions of certain personnel are subject to quarterly
     reporting and review requirements. The codes are on public file with, and
     are available from, the SEC. See the back cover of the prospectus for
     information on obtaining a copy.

     TRUSTEES


     JEFFREY L. SHAMES,* Chairman and President (born 6/2/55)
     Massachusetts Financial Services Company, Chairman and Chief Executive
     Officer


     NELSON J. DARLING, JR. (born 12/27/20)
     Private Investor and Trustee
     Address: Boston, Massachusetts

     WILLIAM R. GUTOW (born 9/27/41)
     Private Investor and Real Estate Consultant; Capitol Entertainment
     Management Company (video franchise), Vice Chairman
     Address: Dallas, Texas


     OFFICERS


     JAMES O. YOST,* Treasurer (born 6/12/60)
     Massachusetts Financial Services Company, Senior Vice President

     STEPHEN E. CAVAN,* Secretary and Clerk (born 11/6/53)
     Massachusetts Financial Services Company, Senior Vice President, General
     Counsel and Secretary

     JAMES R. BORDEWICK, JR.,* Assistant Secretary and Assistant Clerk
     (born 3/6/59)
     Massachusetts Financial Services Company, Senior Vice President and
     Associate General Counsel

     ELLEN MOYNIHAN,* Assistant Treasurer (born 11/13/57)
     Massachusetts Financial Services Company, Vice President (since September
     1996); Deloitte & Touche LLP, Senior Manager (until September 1996)

     MARK E. BRADLEY,* Assistant Treasurer (born 11/23/59)
     Massachusetts Financial Services Company, Vice President (since March
     1997); Putnam Investments, Vice President (Prior to March 1997)

     LAURA F. HEALY*, Assistant Treasurer (born 3/20/64)
     Massachusetts Financial Services Company, Vice President (since December
     1996); State Street Bank Fund Administrtion Group, Assistant Vice
     President (prior to December 1996)

     ROBERT R. FLAHERTY*, Assistant Treasurer (born 9/18/63) Massachusetts
     Financial Services Company, Vice President (since August 2000), UAM Fund
     Services, Senior Vice President (since 1996), Chase Global Fund Services,
     Vice President (1995 to 1996)

     ----------------
     *"Interested persons" (as defined in the 1940 Act) of the Adviser, whose
      address is 500 Boylston Street, Boston, Massachusetts 02116.

     Each Trustee and officer holds comparable positions with certain affiliates
     of MFS or with certain other Funds of which MFS or a subsidiary is the
     Investment Adviser or distributor. Messrs. Shames and Scott, Directors of
     MFD, and Mr. Cavan, he Secretary of MFD, hold similar positions with
     certain other MFS affiliates:

       As of September 29, 2000, the Trustees and officers as a group owned less
     than 1% of any Fund's shares, not including the following shares of the
     following funds, representing the following percentage of the outstanding
     shares of such Fund, owned by certain employee benefit plans of MFS of
     which Mr. Shames is a Trustee.

                                               APPROXIMATE     APPROXIMATE
                                                NUMBER OF          % OF
     FUND                                        SHARES     OUTSTANDING SHARES
     ------------                              -----------  ------------------
     International Equity Fund                  239,852.69        6.29%

     The following table identifies those investors who own 25% or more of a
     Fund's shares as of September 29, 2000, and are therefore presumed to
     control that Fund:

     25% OR GREATER OWNERSHIP

<TABLE>
<CAPTION>
                                                                 APPROXIMATE
                                                                    NUMBER         APPROXIMATE %
                    NAME AND ADDRESS                               OF SHARES      OF OUTSTANDING
         FUND       OF SHAREHOLDER                                   OWNED         SHARES OWNED
     ---------------------------------------------------------------------------------------------
 <S>                <C>                                          <C>                   <C>
     Global Fund    Common Balanced Fund of the                                        55.24%
                    Joint Investment Trust of
                    Christian Church Foundation, Inc.,
                    P.O. Box 1986,
                    Indianapolis, IN
                    46206-1986

                    Christian Church Foundation                                        44.55%
                    Beasley Growth Fund
                    P.O. Box 1986
                    Indianapolis, IN 46206-1986

     High Yield     MFS Fund Distributors, Inc.,                                       99.97%
     Fund           c/o Mass Financial Services Co.,
                    Attn: Thomas B. Hastings,
                    500 Boylston St., 15th Floor,
                    Boston, MA 02116-3740

     Core Equity    Mount Auburn Hospital,                                             48.42%
     Fund           Directors' Account,
                    330 Mount Auburn St.,
                    Cambridge, MA 02138-5597

                    College of Saint Benedict,                                         36.91%
                    37 S. College Ave.,
                    St. Joseph, MN 56374-2099

     Research Fund  Boston Safe Deposit & Trust Co.,                                   54.42%
                    Trustee for the
                    TWA Pilots DAP 401K Plan,
                    Attn: Lisa Bove,
                    135 Santilli Hwy.,
                    Everett, MA 02149-1906

                    Boston Safe Deposit & Trust Co.,                                   25.86%
                    Trustee of the Eastman Kodak
                    Employees Savings &
                    Retirement Plan,
                    135 Santilli Hwy,
                    Everett, MA 02149-1906

     International  Foster Wheeler Corporation,                                        42.63%
     Equity Fund    Salaried Employees
                    Pension Plan,
                    Perryville Corporate Park,
                    Clinton, NJ 08809-4000

                    Hampshire County                                                   31.78%
                    Retirement System
                    John J. Lillis Chairman
                    99 Industrial Dr.
                    Northampton, MA 01060-2326
</TABLE>

    5% OR GREATER OWNERSHIP
    The following table identifies those investors who own 5% or more (but less
    than 25%) of a Fund's shares as of September 29, 2000:

<TABLE>
<CAPTION>
                                                                  APPROXIMATE
                                                                    NUMBER         APPROXIMATE %
                    NAME AND ADDRESS                               OF SHARES      OF OUTSTANDING
     FUND           OF SHAREHOLDER                                   OWNED         SHARES OWNED
     ---------------------------------------------------------------------------------------------
<<S>                <C>                                            <C>                 <C>
     Core           Light & Co.,                                                       14.67%
     Equity Fund    c/o Allfirst Trust Co. NA,
                    Securities Processing 109-911,
                    P.O. Box 1596,
                    Baltimore, MD 21203-1596

     Research       The Hebrew                                                          9.89%
     Fund           Immigrant Aid Society
                    Other Endowment
                    200 Newport Avenue Ext.
                    Quincy, MA 02171-2102

                    Colonial Gas Company                                                6.41%
                    Pension Plan,
                    c/o Eastern Enterprises
                    9 Riverside Rd.,
                    Weston, MA 02493-2281

     Large Cap      Bentley College                                                    24.36%
     Fund           Attn: James R. Fuerst
                    175 Forest St.,
                    Waltham MA 02452-4713

                    Byrd & Co.                                                         22.08%
                    c/o First Union
                    123 S. Broad St., #PA4903
                    Philadelphia, PA 19109-1029

                    Melrose Contributory                                               20.08%
                    Retirement System
                    City Hall
                    562 Main St.,
                    Melrose, MA 02176-3175

                    Keystone Financial Inc.                                             8.83%
                    1315 11th Ave.,
                    Altoona, PA 16602

                    The Horace Bushnell                                                 8.62%
                    Memorial Hall Corporation
                    c/o Douglas C. Evans or
                    Jerry D. Emlet
                    166 Capital Ave.,
                    Hartford, CT 06106-1646

                    Draper & Co.                                                        6.84%
                    c/o The Bryn Mawr Trust Co.
                    Attn: Anthony Luisi Trust Operations
                    10 S. Bryn Mawr Ave.
                    Bryn Mawr, PA 19010-3213

     Mid Cap        Woodberry Forest School,                                            9.78%
     Fund           Attn: Treasurer,
                    One Walker Drive,
                    10 Woodberry Station,
                    Woodberry Forest, VA 22989-8000

                    Depauw University                                                  20.90%
                    313 S. Locust St.,
                    Greencastle IN 46135-1736

                    The Carnegie Foundation For                                        17.97%
                    The Advancement of Teaching
                    555 Middlefield Road
                    Menlo Park, CA 94025-3443

                    Boston Safe and Deposit Trust Co.                                  15.72%
                    as Trustee for the
                    TWA Pilots DAP/401K Plan
                    Attn: Jennifer Lacorcia
                    135 Santilli Hwy, #26-0320
                    Everett, MA 02149-1906

                    MAC & Co.,                                                          7.37%
                    A/C HPZF8615042,
                    Mutual Fund Operations,
                    P.O. Box 3198,
                    Pittsburgh, PA 15230-3198

     Emerging       Fidelity Investments Institutional                                 14.29%
     Equities       Operations Co., Inc., (FIIOC) as Agent
     Fund           For Fortune Brands Plans
                    100 Magellan Way KWIC
                    Covington, KY 41015-1999

                    SSB&T Co., As TTEE                                                 10.45%
                    FBO Brown and Williamson PSP
                    105 Rosemont Ave.,
                    Westwood MA 02090-2318

                    The University of Miami                                             6.25%
                    Growth Pool
                    P.O. Box 248207
                    Coral Gables, FL 33124-8207

                    Northeastern University                                             7.79%
                    Endowment Fund,
                    360 Huntington Avenue,
                    Richards Hall,
                    Boston, MA 02115-5000

                    American Express Trust Co.,                                         5.80%
                    TTEE Dakota Clinic Retirement Plans,
                    733 Marquette Ave., Minneapolis,
                    MN 55402-2309

                    Nothern Trust Co.,                                                  7.65%
                    TTEE FBO Rosemount Inc.,
                    P.O. Box 92956,
                    Chicago, IL 60675-2956

     International  Trustees                                                            6.29%
     Equity Fund    of the MFS Pension Plan,
                    c/o Mark Leary, MFS,
                    500 Boylston St.,
                    Boston, MA 02116-3740

                    Haverhill Retirement System                                        10.21%
                    Attn: Kathleen Gallant
                    4 Summer St., STE 303
                    Haverhill, MA 01830-5843
</TABLE>

     Each Fund pays the compensation of non-interested Trustees and of Trustees
     who are not officers of the Trust, who currently receive an annual fee plus
     a fee per meeting and a fee per committee meeting attended, together with
     such Trustee's out-of-pocket expenses. The compensation arrangements are as
     follows:

                                                 PER        COMMITTEE
                                    ANNUAL     MEETING       MEETING
     FUND                            FEE         FEE           FEE
     ----------------------------------------------------------------------
     Global Fund                    $  250       $ 70          $ 70
     High Yield Fund                   250         70            70
     Core Equity Fund                  250         70            70
     Research Fund                     500        100           100
     Large Cap Fund                    250         70            70
     Mid Cap Fund                    1,000        180           180
     Emerging Equities Fund          2,500        370           370
     International Equity Fund         250         70            70

     TRUSTEE COMPENSATION TABLE
     .......................................................................
                                  NELSON J.    WILLIAM       JEFFREY
     FUND(1)                     DARLING, JR.   GUTOW       L. SHAMES
     ----------------------------------------------------------------------
     Global Fund                    $2,025      $2,165          $0
     High Yield Fund                 2,950       2,950           0
     Core Equity Fund                2,025       2,165           0
     Research Fund                   2,950       2,950           0
     Large Cap Fund                     0           0            0
     Mid Cap Fund                    2,950       3,310           0
     Emerging Equities Fund          4,650       5,390           0
     International Equity Fund       2,025       2,165           0

                                                        TOTAL TRUSTEE FEES
                                                           FROM FUND AND
     TRUSTEE                                              FUND COMPLEX(2)
     ----------------------------------------------------------------------
     Nelson J. Darling, Jr.                                  $ 54,625
     William Gutow                                            109,625
     Jeffrey L. Shames                                           0

     ----------------
     (1) For the fiscal year ended June 30, 2000.

     (2) Information provided is provided for calendar year 1999. Mr. Darling
         served as Trustee of 27 Funds within the MFS Fund complex (having
         aggregate net assets at December 31, 1999, of approximately $5.1
         billion) and Mr. Gutow served as Trustee of 61 Funds within the MFS
         complex (having aggregate net assets at December 31, 1999 of
         approximately $20.5 billion).


     The Declaration of Trust of the Trust provides that the Trust will
     indemnify its Trustees and officers against liabilities and expenses
     incurred in connection with litigation in which they may be involved
     because of their offices with the Trust, unless, as to liabilities of the
     Trust or its shareholders, it is determined that they engaged in willful
     misfeasance, bad faith, gross negligence or reckless disregard of the
     duties involved in their offices, or with respect to any matter, unless it
     is adjudicated that they did not act in good faith in the reasonable
     belief that their actions were in the best interest of the Trust. In the
     case of settlement, such indemnification will not be provided unless it
     has been determined pursuant to the Declaration of Trust, that they have
     not engaged in willful misfeasance, bad faith, gross negligence or
     reckless disregard of their duties.

     INVESTMENT ADVISER
     The Trust has retained Massachusetts Financial Services Company ("MFS" or
     the "Adviser") as each Fund's investment adviser. MFS and its predecessor
     organizations have a history of money management dating from 1924. MFS is
     a subsidiary of Sun Life of Canada (U.S.) Financial Services Holdings,
     Inc., which in turn is an indirect wholly owned subsidiary of Sun Life of
     Canada (an insurance company).


     INVESTMENT ADVISORY AGREEMENT  -- The Adviser manages each Fund pursuant
     to an Investment Advisory Agreement (the "Advisory Agreement"). Under the
     Advisory Agreement, the Adviser provides each Fund with overall investment
     advisory services. Subject to such policies as the Trustees may determine,
     the Adviser makes investment decisions for each Fund. For these services
     and facilities, the Adviser receives an annual management fee, computed
     and paid monthly, as disclosed in the Prospectus under the heading
     "Management of each Funds."

       The Adviser pays the compensation of the Trust's officers and of any
     Trustee who is an officer of the Adviser. The Adviser also furnishes at
     its own expense all necessary administrative services, including office
     space, equipment, clerical personnel, investment advisory facilities, and
     all executive and supervisory personnel necessary for managing each Fund's
     investments and effecting its portfolio transactions.

       Each Advisory Agreement has an initial two year term and continues in
     effect thereafter only if such continuance is specifically approved at
     least annually by the Board of Trustees or by vote of a majority of each
     Fund's shares (as defined in "Investment Restrictions" of this SAI) and,
     in either case, by a majority of the Trustees who are not parties to the
     Advisory Agreement or interested persons of any such party. The Advisory
     Agreement terminates automatically if it is assigned and may be terminated
     without penalty by vote of a majority of each Fund's shares (as defined in
     "Investment Restrictions" of this SAI), or by either party on not more
     than 60 days' nor less than 30 days' written notice. The Advisory
     Agreement provides that if MFS ceases to serve as the Adviser to each
     Fund, each Fund will change its name so as to delete the initials "MFS"
     and that MFS may render services to others and may permit other fund
     clients to use the initials "MFS" in their names. The Advisory Agreement
     also provides that neither the Adviser nor its personnel shall be liable
     for any error of judgment or mistake of law or for any loss arising out of
     any investment or for any act or omission in the execution and management
     of each Fund, except for willful misfeasance, bad faith or gross
     negligence in the performance of its or their duties or by reason of
     reckless disregard of its or their obligations and duties under the
     Advisory Agreement.

       Each Fund paid compensation to their affiliated service providers over
     the specified periods as follows:

                                               NET AMOUNT
                                               PAID TO MFS
                                              FOR ADVISORY              WAIVED
     FISCAL YEAR ENDED                          SERVICES                BY MFS
     --------------------------------------------------------------------------
     Global Fund
         June 30, 2000                         $  138,262              $    0
         June 30, 1999                            119,575                   0
         June 30, 1998                            259,872                   0
     High Yield Fund
         June 30, 2000                         $   10,347              $    0
         June 30, 1999                              4,938                   0
         June 30, 1998                            N/A                    N/A
     Core Equity Fund
         June 30, 2000                         $   77,665              $    0
         June 30, 1999                             23,388                   0
         June 30, 1998                            N/A                    N/A
     Research Fund
         June 30, 2000                         $  389,245              $    0
         June 30, 1999                            494,374                   0
         June 30, 1998                            367,149                   0
     Large Cap Fund
         June 30, 2000                         $   10,831              $5,201
         June 30, 1999                            N/A                    N/A
         June 30, 1998                            N/A                    N/A
     Mid Cap Fund
         June 30, 2000                         $  538,196              $    0
         June 30, 1999                            278,378                   0
         June 30, 1998                            184,339                   0
     Emerging Equities Fund
         June 30, 2000                         $4,337,270              $    0
         June 30, 1999                          3,376,859                   0
         June 30, 1998                          3,305,598                   0
     International Equity Fund
         June 30, 2000                         $  308,065              $    0
         June 30, 1999                             66,626                   0
         June 30, 1998                             86,245                   0

       The Trust pays the compensation of the Trustees who are not officers of
     MFS and all expenses of each Fund (other than those assumed by MFS)
     including but not limited to: advisory and administrative services;
     governmental fees; interest charges; taxes; membership dues in the
     Investment Company Institute allocable to each Fund; fees and expenses of
     independent auditors, of legal counsel, and of any transfer agent,
     registrar or dividend disbursing agent of each Fund; expenses of
     repurchasing and redeeming shares and servicing shareholder accounts;
     expenses of preparing, printing and mailing prospectuses, periodic reports,
     notices and proxy statements to shareholders and to governmental officers
     and commissions; brokerage and other expenses connected with the execution,
     recording and settlement of portfolio security transactions; insurance
     premiums; fees and expenses of State Street Bank and Trust Company, each
     Fund's custodian, for all services to each Fund, including safekeeping of
     funds and securities and maintaining required books and accounts; expenses
     of calculating the net asset value of shares of each Fund; and expenses of
     shareholder meetings. Expenses relating to the issuance, registration and
     qualification of shares of each Fund and the preparation, printing and
     mailing of prospectuses are borne by each Fund except that the Distribution
     Agreement with MFD requires MFD to pay for prospectuses that are to be used
     for sales purposes. Expenses of the Trust which are not attributable to a
     specific series are allocated between the series in a manner believed by
     management of the Trust to be fair and equitable.

     ADMINISTRATOR
     MFS provides each Fund with certain financial, legal, compliance,
     shareholder communications and other administrative services pursuant to a
     Master Administrative Services Agreement. Under this Agreement, each Fund
     pays MFS an administrative fee of up to 0.0175% on the first $2.0 billion;
     0.0130% on the next $2.5 billion; 0.0005% on the next $2.5 billion; and
     0.0% on amounts in excess of $7.0 billion per annum of each Fund's average
     daily net assets. This fee reimburses MFS for a portion of the costs it
     incurs to provide such services.

                                                               NET AMOUNT
                                                             PAID TO MFS FOR
                                                             ADMINISTRATIVE
     FISCAL YEAR ENDED                                          SERVICES
     --------------------------------------------------------------------------
     Global Fund
         June 30, 2000                                       $        0
         June 30, 1999                                                0
         June 30, 1998                                                0
     High Yield Fund
         June 30, 2000                                       $      323
         June 30, 1999                                              147
         June 30, 1998                                              N/A
     Core Equity Fund
         June 30, 2000                                       $    1,786
         June 30, 1999                                              585
         June 30, 1998                                              N/A
     Research Fund
         June 30, 2000                                       $    8,841
         June 30, 1999                                            9,977
         June 30, 1998                                            8,829
     Large Cap Fund
         June 30, 2000                                       $      363
         June 30, 1999                                              N/A
         June 30, 1998                                              N/A
     Mid Cap Fund
         June 30, 2000                                       $   12,263
         June 30, 1999                                            5,851
         June 30, 1998                                            4,372
     Emerging Equities Fund
         June 30, 2000                                       $   79,312
         June 30, 1999                                           55,248
         June 30, 1998                                                0
     International Equity Fund
         June 30, 2000                                       $    5,718
         June 30, 1999                                            1,090
         June 30, 1998                                            1,644

     CUSTODIAN
     State Street Bank and Trust Company (the "Custodian") is the custodian of
     each Fund's assets. The Custodian's responsibilities include safekeeping
     and controlling each Fund's cash and securities, handling the receipt and
     delivery of securities, determining income and collecting interest and
     dividends on each Fund's investments, maintaining books of original entry
     for portfolio and fund accounting and other required books and accounts,
     and calculating the daily net asset value of each class of shares of each
     Fund. The Custodian does not determine the investment policies of each Fund
     or decide which securities each Fund will buy or sell. The Fund may,
     however, invest in securities of the Custodian and may deal with the
     Custodian as principal in securities transactions. The Custodian also acts
     as the dividend disbursing agent of each Fund.

     SHAREHOLDER SERVICING AGENT
     MFS Service Center, Inc. ("MFSC"), a wholly owned subsidiary of MFS, is
     each Fund's shareholder servicing agent, pursuant to an Amended and
     Restated Shareholder Servicing Agreement (the "Agency Agreement"). The
     Shareholder Servicing Agent's responsibilities under the Agency Agreement
     include administering and performing transfer agent functions and the
     keeping of records in connection with the issuance, transfer and redemption
     of each class of shares of each Fund. For these services, MFSC will receive
     a fee calculated as a percentage of the average daily net assets of each
     Fund at an effective annual rate of up to 0.0075%. In addition, MFSC will
     be reimbursed by each Fund for certain expenses incurred by MFSC on behalf
     of each Fund. The Custodian has contracted with MFSC to perform certain
     dividend disbursing agent functions for each Fund.

                                                               NET AMOUNT
                                                              PAID TO MFSC
                                                              FOR TRANSFER
                                                                 AGENCY
     FISCAL YEAR ENDED                                          SERVICES
     --------------------------------------------------------------------------
     Global Fund
         June 30, 2000                                         $        0
         June 30, 1999                                                  0
         June 30, 1998                                                  0
     High Yield Fund
         June 30, 2000                                         $      155
         June 30, 1999                                                745
         June 30, 1998                                                N/A

     Core Equity Fund
         June 30, 2000                                         $      970
         June 30, 1999                                                294
         June 30, 1998                                                N/A
     Research Fund
         June 30, 2000                                         $    4,866
         June 30, 1999                                              6,180
         June 30, 1998                                              4,613
     Large Cap Fund
         June 30, 2000                                         $      160
         June 30, 1999                                                N/A
         June 30, 1998                                                N/A
     Mid Cap Fund
         June 30, 2000                                         $    6,729
         June 30, 1999                                              3,481
         June 30, 1998                                              2,317
     Emerging Equities Fund
         June 30, 2000                                         $   43,373
         June 30, 1999                                             33,764
         June 30, 1998                                                  0
     International Equity Fund
         June 30, 2000                                         $    3,080
         June 30, 1999                                                670
         June 30, 1998                                                870

     DISTRIBUTOR
     MFS Fund Distributors, Inc. ("MFD"), a wholly owned subsidiary of MFS,
     serves as distributor for the continuous offering of shares of each Fund
     pursuant to an Amended and Restated Distribution Agreement (the
     "Distribution Agreement"). The Distribution Agreement has an initial two
     year term and continues in effect thereafter only if such continuance is
     specifically approved at least annually by the Board of Trustees or by vote
     of a majority of each Fund's shares (as defined in "Investment
     Restrictions" of this SAI) and in either case, by a majority of the
     Trustees who are not parties to the Distribution Agreement or interested
     persons of any such party. The Distribution Agreement terminates
     automatically if it is assigned and may be terminated without penalty by
     either party on not more than 60 days' nor less than 30 days' notice.


V    PORTFOLIO TRANSACTIONS AND BROKERAGE COMMISSIONS

     Specific decisions to purchase or sell securities for each Funds are made
     by persons affiliated with the Adviser. Any such person may serve other
     clients of the Adviser, or any subsidiary of the Adviser in a similar
     capacity. Changes in each Fund's investments are reviewed by the Trust's
     Board of Trustees.


       The primary consideration in placing portfolio security transactions is
     execution at the most favorable prices. The Adviser has complete freedom as
     to the markets in and broker-dealers through which it seeks this result. In
     the U.S. and in some other countries 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. In other countries both debt and
     equity securities are traded on exchanges at fixed commission rates. 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 mark-up or mark-down. The
     Adviser normally seeks to deal directly with the primary market makers or
     on major exchanges 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 the Advisory Agreement,
     be bought from or sold to dealers who have furnished statistical, research
     and other information or services to the Adviser. At present no
     arrangements for the recapture of commission payments are in effect.


       Consistent with the foregoing primary consideration, the Conduct Rules of
     the National Association of Securities Dealers, Inc. ("NASD") and such
     other policies as the Trustees may determine, the Adviser may consider
     sales of shares of each Funds and of the other investment company clients
     of MFD as a factor in the selection of broker-dealers to execute each
     Funds' portfolio transactions.

       Under the Advisory Agreement and as permitted by Section 28(e) of the
     Securities Exchange Act of 1934, the Adviser may cause a Fund to pay a
     broker-dealer which provides brokerage and research services to the
     Adviser, an amount of commission for effecting a securities transaction for
     each Fund in excess of the amount other broker-dealers would have charged
     for the transaction, if the Adviser determines in good faith that the
     greater commission is reasonable in relation to the value of the brokerage
     and research services provided by the executing broker-dealer viewed in
     terms of either a particular transaction or their respective overall
     responsibilities to each Fund or to their other clients. Not all of such
     services are useful or of value in advising each Fund.


       The term "brokerage and research services" includes advice as to the
     value of securities, the advisability of investing in, purchasing or
     selling securities, and the availability of securities or of purchasers or
     sellers of securities; furnishing analyses and reports concerning issues,
     industries, securities, economic factors and trends, portfolio strategy and
     the performance of accounts; and effecting securities transactions and
     performing functions incidental thereto, such as clearance and settlement.

       Although commissions paid on every transaction will, in the judgment of
     the Adviser, be reasonable in relation to the value of the brokerage
     services provided, commissions exceeding those which another broker might
     charge may be paid to broker-dealers who were selected to execute
     transactions on behalf of a Fund and the Adviser's other clients in part
     for providing advice as to the availability of securities or of purchasers
     or sellers of securities and services in effecting securities transactions
     and performing functions incidental thereto, such as clearance and
     settlement.


       Broker-dealers may be willing to furnish statistical, research and other
     factual information or services ("Research") to the Adviser for no
     consideration other than brokerage or underwriting commissions. Securities
     may be bought or sold from time to time through such broker-dealers, on
     behalf of each Fund. The Trustees (together with the Trustees of certain
     other MFS Funds) have directed the Adviser to allocate a total of $43,800
     of commission business from certain MFS Funds (including each Funds) to the
     Pershing Division of Donaldson Lufkin & Jenrette as consideration for the
     annual renewal of certain publications provided by Lipper Analytical
     Securities Corporation (which provides information useful to the Trustees
     in reviewing the relationship between each Funds and the Adviser).


       The Adviser's investment management personnel attempt to evaluate the
     quality of Research provided by brokers. The Adviser sometimes uses
     evaluations resulting from this effort as a consideration in the selection
     of brokers to execute portfolio transactions.


       The management fee of the Adviser will not be reduced as a consequence of
     the Adviser's receipt of brokerage and research service. To the extent each
     Fund's portfolio transactions are used to obtain brokerage and research
     services, the brokerage commissions paid by each Fund will exceed those
     that might otherwise be paid for such portfolio transactions, or for such
     portfolio transactions and research, by an amount which cannot be presently
     determined. Such services would be useful and of value to the Adviser in
     serving both each Fund and other clients and, conversely, such services
     obtained by the placement of brokerage business of other clients would be
     useful to the Adviser in carrying out its obligations to each Fund. While
     such services are not expected to reduce the expenses of the Adviser, the
     Adviser would, through use of the services, avoid the additional expenses
     which would be incurred if it should attempt to develop comparable
     information through its own staff.

       In certain instances there may be securities which are suitable for each
     Fund's portfolio as well as for that of one or more of the other clients of
     the Adviser or any subsidiary of the Adviser. Investment decisions for each
     Fund and for such other clients are made with a view to achieving their
     respective investment objectives. It may develop that a particular security
     is bought or sold for only one client even though it might be held by, or
     bought or sold for, other clients. Likewise, a particular security may be
     bought for one or more clients when one or more other clients are selling
     that same security. Some simultaneous transactions are inevitable when
     several clients receive investment advice from the same investment adviser,
     particularly when the same security is suitable for the investment
     objectives of more than one client. When two or more clients are
     simultaneously engaged in the purchase or sale of the same security, the
     securities are allocated among clients in a manner believed by the adviser
     to be equitable to each. It is recognized that in some cases this system
     could have a detrimental effect on the price or volume of the security as
     far as each Fund is concerned. In other cases, however, each Fund believes
     that its ability to participate in volume transactions will produce better
     executions for each Fund.

       Brokerage commissions paid by each Fund for certain specified periods,
     and information concerning purchases by each Funds of securities issued by
     their regular broker-dealers for each Funds' most recent fiscal year, is
     set forth below.

     BROKERAGE COMMISSIONS
     ..........................................................................
     The following brokerage commissions were paid by certain Funds for the
     fiscal year ended June 30, 2000:

                                                        BROKERAGE
                                                       COMMISSIONS
     FUND                                              PAID BY FUND
     --------------------------------------------------------------------
     Core Equity Fund                                   $ 22,236
     Research Fund                                       120,519
     Large Cap Fund                                       11,930
     Mid Cap Fund                                        250,989
     Emerging Equities Fund                              534,427
     International Equity Fund                           235,234

     SECURITIES ISSUED BY REGULAR BROKER-DEALERS
     ..........................................................................

     During the fiscal year ended June 30, 2000, certain Funds purchased
     securities issued by the following regular broker-dealers of such Fund,
     which had the following value as of June 30, 2000:

                                                    VALUE OF SECURITIES
     FUND/BROKER-DEALER                             AS OF JUNE 30, 2000
     --------------------------------------------------------------------
     Research Fund/
       Merrill Lynch & Co., Inc.                      $  416,301
       Chase Manhattan Corp.                             422,163
       Morgan Stanley Dean Witter                        233,100
       Lehman Brothers Holdings                          170,212
     Large Cap Fund/
       Morgan Stanley Dean Witter                     $    8,325
     Emerging Equities Fund/
       Salomon Smith Barney                           $4,097,440

VI   TAX CONSIDERATIONS
     The following discussion is a brief summary of some of the important
     federal (and, where noted, state and local) income tax consequences
     affecting each Fund and its shareholders. The discussion is very general,
     and therefore prospective investors are urged to consult their tax
     advisors about the impact an investment in each Funds may have on their
     own tax situations.

     TAXATION OF EACH FUNDS
     FEDERAL TAXES -- Each Fund is treated as a separate corporation for
     federal tax purposes under the Internal Revenue Code of 1986, as amended
     (the "Code"). Each Fund has elected to be, and intends to qualify to be
     treated each year as, a "regulated investment company" under Subchapter M
     of the Code by meeting all applicable requirements of Subchapter M,
     including requirements as to the nature of each Fund's gross income, the
     amount of its distributions (as a percentage of its overall income), and
     the composition of its portfolio assets. As a regulated investment company,
     a Fund will not be subject to any federal income or excise taxes on its net
     investment income and net realized capital gains that it distributes to its
     shareholders in accordance with the timing requirements imposed by the
     Code. A Fund's foreign-source income, if any, may be subject to foreign
     withholding taxes. If any Fund failed to qualify for treatment as a
     regulated investment company for any taxable year, it would incur federal
     corporate income tax on all of its taxable income for that year, whether or
     not distributed, and Fund distributions would generally be taxable as
     ordinary dividend income to its shareholders.

     MASSACHUSETTS TAXES -- As long as it qualifies as a regulated investment
     company under the Code, a Fund will not be required to pay Massachusetts
     income or excise taxes.

     TAXATION OF SHAREHOLDERS
     TAX TREATMENT OF DISTRIBUTIONS -- Shareholders of a Fund that are not
     tax-exempt entities normally will have to pay federal income tax and any
     state or local income taxes on the dividends and capital gain distributions
     they receive from each Fund. Any dividends from ordinary income and net
     short- term capital gains are taxable to shareholders as ordinary income
     for federal income tax purposes, whether paid in cash or reinvested in
     additional shares. Distributions of net capital gain (i.e., the excess of
     net long-term capital gain over net short-term capital loss), whether paid
     in cash or reinvested in additional shares, are taxable to shareholders as
     long-term capital gains for federal income tax purposes without regard to
     the length of time they have held their shares. Any Fund dividend or other
     distribution that is declared in October, November, or December of any
     calendar year, payable to shareholders of record in such a month, and paid
     during the following January will be treated as if received by the
     shareholders on December 31 of the year in which the distribution is
     declared. Each Fund will notify its shareholders regarding the federal tax
     status of its distributions after the end of each calendar year.

     DIVIDENDS-RECEIVED DEDUCTION -- If a Fund receives dividend income from
     U.S. corporations, a portion of its income dividends is normally eligible
     for the dividends-received deduction for a corporate shareholder that
     otherwise qualifies for that deduction with respect to its holding of Fund
     shares. Availability of the deduction for particular corporate shareholders
     is subject to certain limitations, and deducted amounts may be subject to
     the federal alternative minimum tax or result in certain basis adjustments.

     DISPOSITION OF SHARES -- In general, any gain or loss a shareholder
     realizes on a disposition of Fund shares held as a capital asset will be
     treated as a long-term capital gain or loss if the shares have been held
     for more than twelve months and otherwise as a short-term capital gain or
     loss. However, any loss realized on a disposition of Fund shares held for
     six months or less will be treated as a long-term capital loss to the
     extent of any distributions of net capital gain made with respect to those
     shares. Any loss realized on a disposition of shares may also be disallowed
     under rules relating to "wash sales." Gain may be increased (or loss
     reduced) on a redemption of Class A Fund shares held for 90 days or less
     followed by any purchase (including purchases by exchange or by
     reinvestment) without payment of an additional sales charge of Class A
     shares of each Fund or of any other shares of an MFS Fund generally sold
     subject to a sales charge.


     DISTRIBUTION/ACCOUNTING POLICIES -- A Fund's current distribution and
     accounting policies will affect the amount, timing, and character of
     distributions to shareholders and may, under certain circumstances, make an
     economic return of capital taxable to shareholders.


     FOREIGN INCOME TAXATION OF NON-U.S. PERSONS -- Distributions received from
     a Fund by persons who are not citizens or residents of the United States or
     U.S. entities may also be subject to tax under the laws of their own
     jurisdictions.

     STATE AND LOCAL INCOME TAXES: U.S. GOVERNMENT SECURITIES -- Dividends paid
     by a Fund that are derived from interest on obligations of the U.S.
     Government and certain of its agencies and instrumentalities (but generally
     not distributions of capital gains realized upon the disposition of those
     obligations) may be exempt from state and local personal income taxes. Each
     Fund generally intends to advise shareholders of the extent, if any, to
     which its dividends consist of such interest. Shareholders are urged to
     consult their tax advisors regarding the possible exclusion of that portion
     of their dividends for state and local income tax purposes.

     CERTAIN SPECIFIC INVESTMENTS -- Any investment in zero coupon bonds,
     deferred interest bonds, payment-in-kind bonds, certain stripped
     securities, and certain securities purchased at a market discount will
     cause a Fund to recognize income prior to the receipt of cash payments with
     respect to those securities. To distribute this income (as well as non-cash
     income described in the next two paragraphs) and avoid a tax on a Fund, it
     may be required to liquidate portfolio securities that it might otherwise
     have continued to hold, potentially resulting in additional taxable gain or
     loss to each Fund. Any investment in residual interests of a CMO that has
     elected to be treated as a real estate mortgage investment conduit, or
     "REMIC," can create complex tax problems, especially for a Fund that has
     state or local governments or other tax-exempt organizations as
     shareholders.

     OPTIONS, FUTURES CONTRACTS, AND FORWARD CONTRACTS -- Any Fund's
     transactions in options, Futures Contracts, and Forward Contracts, short
     sales "against the box," and swaps and related transactions will be subject
     to special tax rules that may affect the amount, timing, and character of
     Fund income and distributions to shareholders. For example, certain
     positions held by a Fund on the last business day of each taxable year will
     be marked to market (i.e., treated as if closed out) on that day, and any
     gain or loss associated with the positions will be treated as 60% long-term
     and 40% short-term capital gain or loss. Certain positions held by a Fund
     that substantially diminish its risk of loss with respect to other
     positions in its portfolio may constitute "straddles" and may be subject to
     special tax rules that would cause deferral of Fund losses, adjustments in
     the holding periods of Fund securities, and conversion of short-term into
     long-term capital losses. Certain tax elections exist for straddles that
     may alter the effects of these rules. Each Fund will limit its activities
     in options, Futures Contracts, Forward Contracts, short sales "against the
     box," and swaps and related transactions to the extent necessary to meet
     the requirements of Subchapter M of the Code.

     If a Fund enters into a "constructive sale" of certain "appreciated
     financial positions", each Fund will generally recognize gain at that time,
     even though each Fund has not actually sold the position. A constructive
     sale generally consists of a short sale against the box, an offsetting
     notional principal contract, or a Futures or Forward Contract entered into
     by a Fund or a related person with respect to the same or substantially
     identical property.

     FOREIGN INVESTMENTS -- Special tax considerations apply with respect to
     foreign investments by a Fund. Foreign exchange gains and losses realized
     by a Fund may be treated as ordinary income and loss. Use of foreign
     currencies for non-hedging purposes and investment by a Fund in certain
     "passive foreign investment companies" may be limited in order to avoid a
     tax on each Fund. A Fund may elect to mark to market any investments in
     "passive foreign investment companies" on the last day of each year. This
     election may cause each Fund to recognize income prior to the receipt of
     cash payments with respect to those investments; in order to distribute
     this income and avoid a tax on each Fund, it may be required to liquidate
     portfolio securities that it might otherwise have continued to hold,
     potentially resulting in additional taxable gain or loss to each Fund.


     FOREIGN INCOME TAXES -- Investment income received by a Fund and gains with
     respect to foreign securities realized by a Fund may be subject to foreign
     income taxes withheld at the source. The United States has entered into tax
     treaties with many foreign countries that may entitle a Fund to a reduced
     rate of tax or an exemption from tax on such income; each Fund intends to
     qualify for treaty reduced rates where available. It is not possible,
     however, to determine any Fund's effective rate of foreign tax in advance,
     since the amount of each Fund's assets to be invested within various
     countries is not known.


       If a Fund holds more than 50% of its assets in stock and securities of
     foreign corporations at the close of its taxable year, it may elect to
     "pass through" to its shareholders foreign income taxes paid by it. If a
     Fund so elects, its shareholders will be required to treat their pro rata
     portions of the foreign income taxes paid by each Fund as part of the
     amounts distributed to them by it and thus includable in their gross income
     for federal income tax purposes. Shareholders who itemize deductions would
     then be allowed to claim a deduction or credit (but not both) on their
     federal income tax returns for those amounts, subject to certain
     limitations. Shareholders who do not itemize deductions would (subject to
     these limitations) be able to claim a credit but not a deduction. No
     deduction will be permitted to individuals in computing their alternative
     minimum tax liability. If a Fund is not eligible, or does not elect, to
     "pass through" to its shareholders foreign income taxes it has paid, they
     will not be able to claim any deduction or credit for any part of the
     foreign taxes paid by each Fund.

VII  NET INCOME AND DISTRIBUTIONS
     Each Fund intends to distribute to its shareholders dividends equal to all
     of its net investment income with the frequency disclosed in each Funds'
     Prospectus. A Fund's net investment income consists of non-capital gain
     income less expenses. In addition, each Funds intend to distribute net
     realized short- and long-term capital gains, if any, at least annually.
     Shareholders will be informed of the tax consequences of those
     distributions, including whether any portion thereof represents a return of
     capital, after the end of each calendar year.

VIII DETERMINATION OF NET ASSET VALUE
     The net asset value per share of each Fund is determined each day during
     which the New York Stock Exchange is open for trading. (As of the date of
     this SAI, the Exchange is open for trading every weekday except for the
     following holidays (or the days on which they are observed): New Year's
     Day; Martin Luther King Day; Presidents' Day; Good Friday; Memorial Day;
     Independence Day; Labor Day; Thanksgiving Day and Christmas Day.) This
     determination is made once each day as of the close of regular trading on
     the Exchange by deducting the amount of the liabilities attributable to
     each Fund from the value of the assets attributable to each Fund and
     dividing the difference by the number of shares of each Fund outstanding.


       Equity securities in a Fund's portfolio are valued at the last sale price
     on the exchange on which they are primarily traded or on the Nasdaq stock
     market system for unlisted national market issues, or at the last quoted
     bid price for listed securities in which there were no sales during the day
     or for unlisted securities not reported on the Nasdaq stock market system.
     Bonds and other fixed income securities (other than short-term obligations)
     of U.S. issuers in a Fund's portfolio are valued on the basis of valuations
     furnished by a pricing service which utilizes both dealer-supplied
     valuations and electronic data processing techniques which take into
     account appropriate factors such as institutional-size trading in similar
     groups of securities, yield, quality, coupon rate, maturity, type of issue,
     trading characteristics and other market data without exclusive reliance
     upon quoted prices or exchange or over-the-counter prices, since such
     valuations are believed to reflect more accurately the fair value of such
     securities. Forward Contracts will be valued using a pricing model taking
     into consideration market data from an external pricing source. Use of the
     pricing services has been approved by the Board of Trustees.


       All other securities, futures contracts and options in a Fund's portfolio
     (other than short-term obligations) for which the principal market is one
     or more securities or commodities exchanges (whether domestic or foreign)
     will be valued at the last reported sale price or at the settlement price
     prior to the determination (or if there has been no current sale, at the
     closing bid price) on the primary exchange on which such securities,
     futures contracts or options are traded; but if a securities exchange is
     not the principal market for securities, such securities will, if market
     quotations are readily available, be valued at current bid prices, unless
     such securities are reported on the Nasdaq stock market system, in which
     case they are valued at the last sale price or, if no sales occurred during
     the day, at the last quoted bid price. Short-term obligations in each
     Fund's portfolio are valued at amortized cost, which constitutes fair value
     as determined by the Board of Trustees. Short-term obligations with a
     remaining maturity in excess of 60 days will be valued upon dealer supplied
     valuations. Portfolio investments for which there are no such quotations or
     valuations are valued at fair value as determined in good faith by or at
     the direction of the Board of Trustees.

       Generally, trading in foreign securities is substantially completed each
     day at various times prior to the close of regular trading on the Exchange.
     Occasionally, events affecting the values of such securities may occur
     between the times at which they are determined and the close of regular
     trading on the Exchange which will not be reflected in the computation of
     each Fund's net asset value unless the Trustees deem that such event would
     materially affect the net asset value in which case an adjustment would be
     made.


       All investments and assets are expressed in U.S. dollars based upon
     current currency exchange rates. A share's net asset value is effective
     for orders received by MFD prior to the close of that business day.

IX   PERFORMANCE INFORMATION

     FUNDS
     Each Fund may quote the following performance results.

     TOTAL RATE OF RETURN -- Each Fund will calculate its total rate of return
     for shares for certain periods by determining the average annual compounded
     rates of return over those periods that would cause an investment of $1,000
     (made with all distributions reinvested and reflecting the maximum public
     offering price) to reach the value of that investment at the end of the
     periods. Each Fund may also calculate total rates of return which represent
     aggregate performance over a period or year-by-year performance.


       Any total rate of return quotation provided by a Fund should not be
     considered as representative of the performance of each Fund in the future
     since the net asset value of shares of each Fund will vary based not only
     on the type, quality and maturities of the securities held in each Fund's
     portfolio, but also on changes in the current value of such securities and
     on changes in the expenses of each Fund. These factors and possible
     differences in the methods used to calculate total rates of return should
     be considered when comparing the total rate of return of each Fund to total
     rates of return published for other investment companies or other
     investment vehicles. Total rate of return reflects the performance of both
     principal and income. Total rate of return quotations for each Fund are
     presented in Appendix C attached hereto.

     YIELD -- Any yield quotation for a Fund is based on the annualized net
     investment income per share of a Fund for the 30-day period. The yield for
     a Fund is calculated by dividing the net investment income per share of a
     Fund earned during the period by the maximum offering price per share of a
     Fund on the last day of the period. The resulting figure is then
     annualized. Net investment income per share is determined by dividing (i)
     the dividends and interest earned by a Fund during the period, minus
     accrued expenses for the period by (ii) the average number of Fund shares
     entitled to receive dividends during the period multiplied by the maximum
     offering price per share on the last day of the period. Yield quotations
     for each Fund are presented in Appendix C attached hereto.

     CURRENT DISTRIBUTION RATE -- Yield, which is calculated according to a
     formula prescribed by the Securities and Exchange Commission, is not
     indicative of the amounts which were or will be paid to each Fund's
     shareholders. Amounts paid to shareholders of each Fund are reflected in
     the quoted "current distribution rate" for that Fund. The current
     distribution rate for a Fund is computed by (i) annualizing the
     distributions (excluding short-term capital gains) of each Fund for a
     stated period; (ii) adding any short-term capital gains paid within the
     immediately preceding twelve-month period; and (iii) dividing the result by
     the maximum offering price or net asset value per share on the last day of
     the period. The current distribution rate differs from the yield
     computation because it may include distributions to shareholders from
     sources other than dividends and interest, such as premium income for
     option writing, short-term capital gains and return of invested capital,
     and may be calculated over a different period of time.


       The current distribution rate quotation for the Emerging Markets Fund is
     presented in Appendix C hereto.

     GENERAL
     From time to time each Fund may, as appropriate, quote Fund rankings or
     reprint all or a portion of evaluations of fund performance and operations
     appearing in various independent publications, including but not limited to
     the following: Money, Fortune, U.S. News and World Report, Kiplinger's
     Personal Finance, The Wall Street Journal, Barron's, Investors Business
     Daily, Newsweek, Financial World, Financial Planning, Investment Advisor,
     USA Today, Pensions and Investments, SmartMoney, Forbes, Global Finance,
     Registered Representative, Institutional Investor, the Investment Company
     Institute, Johnson's Charts, Morningstar, Lipper Analytical Securities
     Corporation, CDA Wiesenberger, Shearson Lehman and Salomon Bros. Indices,
     Ibbotson, Business Week, Lowry Associates, Media General, Investment
     Company Data, The New York Times, Your Money, Strangers Investment Advisor,
     Financial Planning on Wall Street, Standard and Poor's, Individual
     Investor, The 100 Best Mutual Funds You Can Buy, by Gordon K. Williamson,
     Consumer Price Index, and Sanford C. Bernstein & Co. Fund performance may
     also be compared to the performance of other mutual funds tracked by
     financial or business publications or periodicals. The Fund may also quote
     evaluations mentioned in independent radio or television broadcasts and use
     charts and graphs to illustrate the past performance of various indices
     such as those mentioned above and illustrations using hypothetical rates of
     return to illustrate the effects of compounding and tax-deferral. The Fund
     may advertise examples of the effects of periodic investment plans,
     including the principle of dollar cost averaging. In such a program, an
     investor invests a fixed dollar amount in a fund at periodic intervals,
     thereby purchasing fewer shares when prices are high and more shares when
     prices are low. While such a strategy does not assure a profit or guard
     against a loss in a declining market, the investor's average cost per share
     can be lower than if fixed numbers of shares are purchased at the same
     intervals.


       From time to time, each Fund may discuss or quote its current portfolio
     manager as well as other investment personnel, including such persons'
     views on: the economy; securities markets; portfolio securities and their
     issuers; investment philosophies, strategies, techniques and criteria used
     in the selection of securities to be purchased or sold for each Fund; each
     Fund's portfolio holdings; the investment research and analysis process;
     the formulation and evaluation of investment recommendations; and the
     assessment and evaluation of credit, interest rate, market and economic
     risks, and similar or related matters.


       Each Fund may also use charts, graphs or other presentation formats to
     illustrate the historical correlation of its performance to fund categories
     established by Morningstar (or other nationally recognized statistical
     ratings organizations) and to other MFS Funds.

       From time to time each Fund may also discuss or quote the views of its
     distributor, its investment adviser and other financial planning, legal,
     tax, accounting, insurance, estate planning and other professionals, or
     from surveys, regarding individual and family financial planning. Such
     views may include information regarding: retirement planning; tax
     management strategies; estate planning; general investment techniques
     (e.g., asset allocation and disciplined saving and investing); business
     succession; ideas and information provided through the MFS Heritage
     Planning(SM) program, an intergenerational financial planning assistance
     program; issues with respect to insurance (e.g., disability and life
     insurance and Medicare supplemental insurance); issues regarding financial
     and health care management for elderly family members; the history of the
     mutual fund industry; investor behavior; and other similar or related
     matters.


       From time to time, each Fund may also advertise annual returns showing
     the cumulative value of an initial investment in each Fund in various
     amounts over specified periods, with capital gain and dividend
     distributions invested in additional shares or taken in cash, and with no
     adjustment for any income taxes (if applicable) payable by shareholders.


     MFS FIRSTS
     MFS has a long history of innovations.


       1924 -- Massachusetts Investors Trust is established as the first
     open-end mutual fund in America.

       1924 -- Massachusetts Investors Trust is the first mutual fund to make
     full public disclosure of its operations in shareholder reports.

       1932 -- One of the first internal research departments is established to
     provide in-house analytical capability for an investment management firm.

       1933 -- Massachusetts Investors Trust is the first mutual fund to
     register under the Securities Act of 1933 ("Truth in Securities Act" or
     "Full Disclosure Act").

       1936 -- Massachusetts Investors Trust is the first mutual fund to allow
     shareholders to take capital gain distributions either in additional
     shares or in cash.

       1976 -- MFS(R) Municipal Bond Fund is among the first municipal bond
     funds established.

       1979 -- Spectrum becomes the first combination fixed/ variable annuity
     with no initial sales charge.

       1981 -- MFS(R) Global Governments Fund is established as America's first
     globally diversified fixed-income mutual fund.

       1984 -- MFS(R) Municipal High Income Fund is the first open-end mutual
     fund to seek high tax-free income from lower-rated municipal securities.

       1986 -- MFS(R) Managed Sectors Fund becomes the first mutual fund to
     target and shift investments among industry sectors for shareholders.

       1986 -- MFS(R) Municipal Income Trust is the first closed-end, high-yield
     municipal bond fund traded on the New York Stock Exchange.

       1987 -- MFS(R) Multimarket Income Trust is the first closed-end,
     multimarket high income fund listed on the New York Stock Exchange.

       1989 -- MFS(R) Regatta becomes America's first non-qualified market
     value adjusted fixed/variable annuity.

       1990 -- MFS(R) Global Total Return Fund is the first global balanced
     fund.

       1993 -- MFS(R) Global Growth Fund is the first global emerging markets
     fund to offer the expertise of two sub-advisers.

       1993 -- MFS becomes money manager of MFS(R) Union Standard(R) Equity
     Fund, the first fund to invest principally in companies deemed to be
     union-friendly by an advisory board of senior labor officials, senior
     managers of companies with significant labor contracts, academics and
     other national labor leaders or experts.

X    DESCRIPTION OF SHARES, VOTING RIGHTS AND LIABILITIES
     The Declaration of Trust permits the Trustees to issue an unlimited number
     of full and fractional Shares of Beneficial Interest (without par value) of
     one or more separate series and to divide or combine the shares of any
     series into a greater or lesser number of shares without thereby changing
     the proportionate beneficial interests in that series. Upon liquidation of
     each Fund, shareholders of each Fund are entitled to share pro rata in each
     Fund's net assets available for distribution to shareholders. The Trust
     reserves the right to create and issue a number of series and additional
     shares, in which case the shares of a series would participate equally in
     the earnings, dividends and assets allocable to that particular series.

       Shareholders are entitled to one vote for each share held and may vote in
     the election of Trustees and on other matters submitted to meetings of
     shareholders. To the extent a shareholder of each Fund owns a controlling
     percentage of each Fund's shares, such shareholder may affect the outcome
     of such matters to a greater extent than other Fund shareholders. Although
     Trustees are not elected annually by the shareholders, the Declaration of
     Trust provides that a Trustee may be removed from office at a meeting of
     shareholders by a vote of two-thirds of the outstanding shares of the
     Trust. A meeting of shareholders will be called upon the request of
     shareholders of record holding in the aggregate not less than 10% of the
     outstanding voting securities of the Trust. No material amendment may be
     made to the Declaration of Trust without the affirmative vote of a majority
     of the Trust's outstanding shares (as defined in "Investment Restrictions"
     of this SAI). The Trust or any series of the Trust may be terminated (i)
     upon the merger or consolidation of the Trust or any series of the Trust
     with another organization or upon the sale of all or substantially all of
     its assets (or all or substantially all of the assets belonging to any
     series of the Trust), if approved by the vote of the holders of two-thirds
     of the Trust's or the affected series' outstanding shares voting as a
     single class, or of the affected series of the Trust, except that if the
     Trustees recommend such merger, consolidation or sale, the approval by vote
     of the holders of a majority of the Trust's or the affected series'
     outstanding shares will be sufficient, or (ii) upon liquidation and
     distribution of the assets of a Fund, if approved by the vote of the
     holders of two-thirds of its outstanding shares of the Trust, or (iii) by
     the Trustees by written notice to its shareholders. If not so terminated,
     the Trust will continue indefinitely.


       The Trust is an entity of the type commonly known as a "Massachusetts
     business trust." Under Massachusetts law, shareholders of such a trust may,
     under certain circumstances, be held personally liable as partners for its
     obligations. However, the Declaration of Trust contains an express
     disclaimer of shareholder liability for acts or obligations of the Trust
     and provides for indemnification and reimbursement of expenses out of Trust
     property for any shareholder held personally liable for the obligations of
     the Trust. The Declaration of Trust also provides that the Trust shall
     maintain appropriate insurance (for example, fidelity bonding and errors
     and omissions insurance) for the protection of the Trust and its
     shareholders and the Trustees, officers, employees and agents of the Trust
     covering possible tort and other liabilities. Thus, the risk of a
     shareholder incurring financial loss on account of shareholder liability is
     limited to circumstances in which both inadequate insurance existed and the
     Trust itself was unable to meet its obligations.

       The Declaration of Trust further provides that obligations of the Trust
     are not binding upon the Trustees individually but only upon the property
     of the Trust and that the Trustees will not be liable for any action or
     failure to act, but nothing in the Declaration of Trust protects a Trustee
     against any liability to which he would otherwise be subject by reason of
     his willful misfeasance, bad faith, gross negligence, or reckless disregard
     of the duties involved in the conduct of his office.

XI   INDEPENDENT AUDITORS AND FINANCIAL STATEMENTS


     Deloitte & Touche LLP are each Funds' independent auditors, providing
     audit services, tax services, and assistance and consultation with respect
     to the preparation of filings with the Securities and Exchange Commission.

       The Portfolio of Investments and the Statement of Assets and Liabilities
     at June 30, 2000, the Statement of Operations for the year ended June 30,
     2000, the Statement of Changes in Net Assets for the two years ended June
     30, 2000, the Notes to Financial Statements and the Report of the
     Independent Auditors, each of which is included in the Annual Report to
     Shareholders of each Funds, are incorporated by reference into this SAI in
     reliance upon the report of Deloitte & Touche LLP, independent auditors,
     given upon their authority as experts in accounting and auditing. A copy of
     the Annual Report accompanies this SAI.


<PAGE>

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APPENDIX A
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    INVESTMENT TECHNIQUES, PRACTICES AND RISKS
    Set forth below is a description of investment techniques and practices
    which a Funds may generally use in pursuing their investment objectives
    and principal investment policies, and the risks associated with these
    investment techniques and practices. Each Fund will engage only in certain
    of these investment techniques and practices, as identified in Appendix A
    of a Funds' Prospectus. Investment practices and techniques that are not
    identified in Appendix A of a Funds' Prospectus do not apply to a Fund.

    INVESTMENT TECHNIQUES AND PRACTICES
    DEBT SECURITIES
    To the extent a Fund invests in the following types of debt securities,
    its net asset value may change as the general levels of interest rates
    fluctuate. When interest rates decline, the value of debt securities can
    be expected to rise. Conversely, when interest rates rise, the value of
    debt securities can be expected to decline. A Fund's investment in debt
    securities with longer terms to maturity are subject to greater volatility
    than a Fund's shorter-term obligations. Debt securities may have all types
    of interest rate payment and reset terms, including fixed rate, adjustable
    rate, zero coupon, contingent, deferred, payment in kind and auction rate
    features.

    ASSET-BACKED SECURITIES:  A Fund may purchase the following types of
    asset-backed securities:

      COLLATERALIZED MORTGAGE OBLIGATIONS AND MULTICLASS PASS-THROUGH
    SECURITIES: A Fund may invest a portion of its assets in collateralized
    mortgage obligations or "CMOs," which are debt obligations collateralized
    by mortgage loans or mortgage pass-through securities (such collateral
    referred to collectively as "Mortgage Assets"). Unless the context
    indicates otherwise, all references herein to CMOs include multiclass
    pass-through securities.

      Interest is paid or accrues on all classes of the CMOs on a monthly,
    quarterly or semi-annual basis. The principal of and interest on the
    Mortgage Assets may be allocated among the several classes of a CMO in
    innumerable ways. In a common structure, payments of principal, including
    any principal prepayments, on the Mortgage Assets are applied to the
    classes of a CMO in the order of their respective stated maturities or
    final distribution dates, so that no payment of principal will be made on
    any class of CMOs until all other classes having an earlier stated
    maturity or final distribution date have been paid in full. Certain CMOs
    may be stripped (securities which provide only the principal or interest
    factor of the underlying security). See "Stripped Mortgage-Backed
    Securities" below for a discussion of the risks of investing in these
    stripped securities and of investing in classes consisting of interest
    payments or principal payments.

      A Fund may also invest in parallel pay CMOs and Planned Amortization
    Class CMOs ("PAC Bonds"). Parallel pay CMOs are structured to provide
    payments of principal on each payment date to more than one class. These
    simultaneous payments are taken into account in calculating the stated
    maturity date or final distribution date of each class, which, as with
    other CMO structures, must be retired by its stated maturity date or final
    distribution date but may be retired earlier.

      CORPORATE ASSET-BACKED SECURITIES: A Fund may invest in corporate
    asset-backed securities. These securities, issued by trusts and special
    purpose corporations, are backed by a pool of assets, such as credit card
    and automobile loan receivables, representing the obligations of a number of
    different parties. These securities present certain risks. For instance, in
    the case of credit card receivables, these securities may not have the
    benefit of any security interest in the related collateral. Credit card
    receivables are generally unsecured and the debtors are entitled to the
    protection of a number of state and federal consumer credit laws, many of
    which give such debtors the right to set off certain amounts owed on the
    credit cards, thereby reducing the balance due. Most issuers of automobile
    receivables permit the servicers to retain possession of the underlying
    obligations. If the servicer were to sell these obligations to another
    party, there is a risk that the purchaser would acquire an interest superior
    to that of the holders of the related automobile receivables. In addition,
    because of the large number of vehicles involved in a typical issuance and
    technical requirements under state laws, the trustee for the holders of the
    automobile receivables may not have a proper security interest in all of the
    obligations backing such receivables. Therefore, there is the possibility
    that recoveries on repossessed collateral may not, in some cases, be
    available to support payments on these securities. The underlying assets
    (e.g., loans) are also subject to prepayments which shorten the securities'
    weighted average life and may lower their return.

      Corporate asset-backed securities are backed by a pool of assets
    representing the obligations of a number of different parties. To lessen
    the effect of failures by obligors on underlying assets to make payments,
    the securities may contain elements of credit support which fall into two
    categories: (i) liquidity protection and (ii) protection against losses
    resulting from ultimate default by an obligor on the underlying assets.
    Liquidity protection refers to the provision of advances, generally by the
    entity administering the pool of assets, to ensure that the receipt of
    payments on the underlying pool occurs in a timely fashion. Protection
    against losses resulting from ultimate default ensures payment through
    insurance policies or letters of credit obtained by the issuer or sponsor
    from third parties. A Fund will not pay any additional or separate fees
    for credit support. The degree of credit support provided for each issue
    is generally based on historical information respecting the level of
    credit risk associated with the underlying assets. Delinquency or loss in
    excess of that anticipated or failure of the credit support could
    adversely affect the return on an investment in such a security.

      MORTGAGE PASS-THROUGH SECURITIES: A Fund may invest in mortgage
    pass-through securities. Mortgage pass-through securities are securities
    representing interests in "pools" of mortgage loans. Monthly payments of
    interest and principal by the individual borrowers on mortgages are passed
    through to the holders of the securities (net of fees paid to the issuer or
    guarantor of the securities) as the mortgages in the underlying mortgage
    pools are paid off. The average lives of mortgage pass-throughs are variable
    when issued because their average lives depend on prepayment rates. The
    average life of these securities is likely to be substantially shorter than
    their stated final maturity as a result of unscheduled principal prepayment.
    Prepayments on underlying mortgages result in a loss of anticipated
    interest, and all or part of a premium if any has been paid, and the actual
    yield (or total return) to a Fund may be different than the quoted yield on
    the securities. Mortgage premiums generally increase with falling interest
    rates and decrease with rising interest rates. Like other fixed income
    securities, when interest rates rise the value of a mortgage pass-through
    security generally will decline; however, when interest rates are declining,
    the value of mortgage pass-through securities with prepayment features may
    not increase as much as that of other fixed-income securities. In the event
    of an increase in interest rates which results in a decline in mortgage
    prepayments, the anticipated maturity of mortgage pass-through securities
    held by a Fund may increase, effectively changing a security which was
    considered short or intermediate-term at the time of purchase into a
    long-term security. Long- term securities generally fluctuate more widely in
    response to changes in interest rates than short or intermediate-term
    securities.

      Payment of principal and interest on some mortgage pass-through
    securities (but not the market value of the securities themselves) may be
    guaranteed by the full faith and credit of the U.S. Government (in the
    case of securities guaranteed by the Government National Mortgage
    Association ("GNMA")); or guaranteed by agencies or instrumentalities of
    the U.S. Government (such as the Federal National Mortgage Association
    "FNMA") or the Federal Home Loan Mortgage Corporation, ("FHLMC") which are
    supported only by the discretionary authority of the U.S. Government to
    purchase the agency's obligations). Mortgage pass-through securities may
    also be issued by non-governmental issuers (such as commercial banks,
    savings and loan institutions, private mortgage insurance companies,
    mortgage bankers and other secondary market issuers). Some of these
    mortgage pass-through securities may be supported by various forms of
    insurance or guarantees.

      Interests in pools of mortgage-related securities differ from other
    forms of debt securities, which normally provide for periodic payment of
    interest in fixed amounts with principal payments at maturity or specified
    call dates. Instead, these securities provide a monthly payment which
    consists of both interest and principal payments. In effect, these
    payments are a "pass-through" of the monthly payments made by the
    individual borrowers on their mortgage loans, net of any fees paid to the
    issuer or guarantor of such securities. Additional payments are caused by
    prepayments of principal resulting from the sale, refinancing or
    foreclosure of the underlying property, net of fees or costs which may be
    incurred. Some mortgage pass-through securities (such as securities issued
    by the GNMA) are described as "modified pass-through." These securities
    entitle the holder to receive all interests and principal payments owed on
    the mortgages in the mortgage pool, net of certain fees, at the scheduled
    payment dates regardless of whether the mortgagor actually makes the
    payment.

      The principal governmental guarantor of mortgage pass-through securities
    is GNMA. GNMA is a wholly owned U.S. Government corporation within the
    Department of Housing and Urban Development. GNMA is authorized to
    guarantee, with the full faith and credit of the U.S. Government, the
    timely payment of principal and interest on securities issued by
    institutions approved by GNMA (such as savings and loan institutions,
    commercial banks and mortgage bankers) and backed by pools of Federal
    Housing Administration ("FHA") insured or Veterans Administration ("VA")
    guaranteed mortgages. These guarantees, however, do not apply to the
    market value or yield of mortgage pass-through securities. GNMA securities
    are often purchased at a premium over the maturity value of the underlying
    mortgages. This premium is not guaranteed and will be lost if prepayment
    occurs.

      Government-related guarantors (i.e., whose guarantees are not backed by
    the full faith and credit of the U.S. Government) include FNMA and FHLMC.
    FNMA is a government-sponsored corporation owned entirely by private
    stockholders. It is subject to general regulation by the Secretary of
    Housing and Urban Development. FNMA purchases conventional residential
    mortgages (i.e., mortgages not insured or guaranteed by any governmental
    agency) from a list of approved seller/servicers which include state and
    federally chartered savings and loan associations, mutual savings banks,
    commercial banks, credit unions and mortgage bankers. Pass-through
    securities issued by FNMA are guaranteed as to timely payment by FNMA of
    principal and interest.

      FHLMC is also a government-sponsored corporation owned by private
    stockholders. FHLMC issues Participation Certificates ("PCs") which
    represent interests in conventional mortgages (i.e., not federally insured
    or guaranteed) for FHLMC's national portfolio. FHLMC guarantees timely
    payment of interest and ultimate collection of principal regardless of the
    status of the underlying mortgage loans.

      Commercial banks, savings and loan institutions, private mortgage
    insurance companies, mortgage bankers and other secondary market issuers
    also create pass through pools of mortgage loans. Such issuers may also be
    the originators and/or servicers of the underlying mortgage-related
    securities. Pools created by such non-governmental issuers generally offer
    a higher rate of interest than government and government-related pools
    because there are no direct or indirect government or agency guarantees of
    payments in the former pools. However, timely payment of interest and
    principal of mortgage loans in these pools may be supported by various
    forms of insurance or guarantees, including individual loan, title, pool
    and hazard insurance and letters of credit. The insurance and guarantees
    are issued by governmental entities, private insurers and the mortgage
    poolers. There can be no assurance that the private insurers or guarantors
    can meet their obligations under the insurance policies or guarantee
    arrangements. A Fund may also buy mortgage-related securities without
    insurance or guarantees.

      STRIPPED MORTGAGE-BACKED SECURITIES: A Fund may invest a portion of its
    assets in stripped mortgage-backed securities ("SMBS") which are
    derivative multiclass mortgage securities issued by agencies or
    instrumentalities of the U.S. Government, or by private originators of, or
    investors in, mortgage loans, including savings and loan institutions,
    mortgage banks, commercial banks and investment banks.

      SMBS are usually structured with two classes that receive different
    proportions of the interest and principal distributions from a pool of
    mortgage assets. A common type of SMBS will have one class receiving some
    of the interest and most of the principal from the Mortgage Assets, while
    the other class will receive most of the interest and the remainder of the
    principal. In the most extreme case, one class will receive all of the
    interest (the interest-only or "I0" class) while the other class will
    receive all of the principal (the principal-only or "P0" class). The yield
    to maturity on an I0 is extremely sensitive to the rate of principal
    payments, including prepayments on the related underlying Mortgage Assets,
    and a rapid rate of principal payments may have a material adverse effect
    on such security's yield to maturity. If the underlying Mortgage Assets
    experience greater than anticipated prepayments of principal, a Fund may
    fail to fully recoup its initial investment in these securities. The
    market value of the class consisting primarily or entirely of principal
    payments generally is unusually volatile in response to changes in
    interest rates. Because SMBS were only recently introduced, established
    trading markets for these securities have not yet developed, although the
    securities are traded among institutional investors and investment banking
    firms.

      CORPORATE SECURITIES: A Fund may invest in debt securities, such as
    convertible and non-convertible bonds, notes and debentures, issued by
    corporations, limited partnerships and other similar entities.

      LOANS AND OTHER DIRECT INDEBTEDNESS: A Fund may purchase loans and other
    direct indebtedness. In purchasing a loan, a Fund acquires some or all of
    the interest of a bank or other lending institution in a loan to a
    corporate, governmental or other borrower. Many such loans are secured,
    although some may be unsecured. Such loans may be in default at the time
    of purchase. Loans that are fully secured offer a Fund more protection
    than an unsecured loan in the event of non-payment of scheduled interest
    or principal. However, there is no assurance that the liquidation of
    collateral from a secured loan would satisfy the corporate borrowers
    obligation, or that the collateral can be liquidated.

      These loans are made generally to finance internal growth, mergers,
    acquisitions, stock repurchases, leveraged buy-outs and other corporate
    activities. Such loans are typically made by a syndicate of lending
    institutions, represented by an agent lending institution which has
    negotiated and structured the loan and is responsible for collecting
    interest, principal and other amounts due on its own behalf and on behalf
    of the others in the syndicate, and for enforcing its and their other
    rights against the borrower. Alternatively, such loans may be structured
    as a novation, pursuant to which a Fund would assume all of the rights of
    the lending institution in a loan or as an assignment, pursuant to which a
    Fund would purchase an assignment of a portion of a lenders interest in a
    loan either directly from the lender or through an intermediary. A Fund
    may also purchase trade or other claims against companies, which generally
    represent money owned by the company to a supplier of goods or services.
    These claims may also be purchased at a time when the company is in
    default.

      Certain of the loans and the other direct indebtedness acquired by a
    Fund may involve revolving credit facilities or other standby financing
    commitments which obligate a Fund to pay additional cash on a certain date
    or on demand. These commitments may have the effect of requiring a Fund to
    increase its investment in a company at a time when a Fund might not
    otherwise decide to do so (including at a time when the company's
    financial condition makes it unlikely that such amounts will be repaid).
    To the extent that a Fund is committed to advance additional funds, it
    will at all times hold and maintain in a segregated account cash or other
    high grade debt obligations in an amount sufficient to meet such
    commitments.

      A Fund's ability to receive payment of principal, interest and other
    amounts due in connection with these investments will depend primarily on
    the financial condition of the borrower. In selecting the loans and other
    direct indebtedness which a Fund will purchase, the Adviser will rely upon
    its own (and not the original lending institution's) credit analysis of
    the borrower. As a Fund may be required to rely upon another lending
    institution to collect and pass onto a Fund amounts payable with respect
    to the loan and to enforce a Fund's rights under the loan and other direct
    indebtedness, an insolvency, bankruptcy or reorganization of the lending
    institution may delay or prevent a Fund from receiving such amounts. In
    such cases, a Fund will evaluate as well the creditworthiness of the
    lending institution and will treat both the borrower and the lending
    institution as an "issuer" of the loan for purposes of certain investment
    restrictions pertaining to the diversification of a Fund's portfolio
    investments. The highly leveraged nature of many such loans and other
    direct indebtedness may make such loans and other direct indebtedness
    especially vulnerable to adverse changes in economic or market conditions.
    Investments in such loans and other direct indebtedness may involve
    additional risk to a Fund.

      LOWER RATED BONDS: A Fund may invest in fixed income securities rated Ba
    or lower by Moody's or BB or lower by S&P, Fitch or Duff & Phelps and
    comparable unrated securities (commonly known as "junk bonds"). See
    Appendix B for a description of bond ratings. No minimum rating standard
    is required by a Fund. These securities are considered speculative and,
    while generally providing greater income than investments in higher rated
    securities, will involve greater risk of principal and income (including
    the possibility of default or bankruptcy of the issuers of such
    securities) and may involve greater volatility of price (especially during
    periods of economic uncertainty or change) than securities in the higher
    rating categories and because yields vary over time, no specific level of
    income can ever be assured. These lower rated high yielding fixed income
    securities generally tend to reflect economic changes (and the outlook for
    economic growth), short-term corporate and industry developments and the
    market's perception of their credit quality (especially during times of
    adverse publicity) to a greater extent than higher rated securities which
    react primarily to fluctuations in the general level of interest rates
    (although these lower rated fixed income securities are also affected by
    changes in interest rates). In the past, economic downturns or an increase
    in interest rates have, under certain circumstances, caused a higher
    incidence of default by the issuers of these securities and may do so in
    the future, especially in the case of highly leveraged issuers. The prices
    for these securities may be affected by legislative and regulatory
    developments. The market for these lower rated fixed income securities may
    be less liquid than the market for investment grade fixed income
    securities. Furthermore, the liquidity of these lower rated securities may
    be affected by the market's perception of their credit quality. Therefore,
    the Adviser's judgment may at times play a greater role in valuing these
    securities than in the case of investment grade fixed income securities,
    and it also may be more difficult during times of certain adverse market
    conditions to sell these lower rated securities to meet redemption
    requests or to respond to changes in the market.

      While the Adviser may refer to ratings issued by established credit
    rating agencies, it is not a Fund's policy to rely exclusively on ratings
    issued by these rating agencies, but rather to supplement such ratings
    with the Adviser's own independent and ongoing review of credit quality.
    To the extent a Fund invests in these lower rated securities, the
    achievement of its investment objectives may be a more dependent on the
    Adviser's own credit analysis than in the case of a fund investing in
    higher quality fixed income securities. These lower rated securities may
    also include zero coupon bonds, deferred interest bonds and PIK bonds.

      MUNICIPAL BONDS: A Fund may invest in debt securities issued by or on
    behalf of states, territories and possessions of the United States and the
    District of Columbia and their political subdivisions, agencies or
    instrumentalities, the interest on which is exempt from federal income tax
    ("Municipal Bonds"). Municipal Bonds include debt securities which pay
    interest income that is subject to the alternative minimum tax. A Fund may
    invest in Municipal Bonds whose issuers pay interest on the Bonds from
    revenues from projects such as multifamily housing, nursing homes,
    electric utility systems, hospitals or life care facilities.

      If a revenue bond is secured by payments generated from a project, and
    the revenue bond is also secured by a lien on the real estate comprising
    the project, foreclosure by the indenture trustee on the lien for the
    benefit of the bondholders creates additional risks associated with owning
    real estate, including environmental risks.

      Housing revenue bonds typically are issued by a state, county or local
    housing authority and are secured only by the revenues of mortgages
    originated by the authority using the proceeds of the bond issue. Because
    of the impossibility of precisely predicting demand for mortgages from the
    proceeds of such an issue, there is a risk that the proceeds of the issue
    will be in excess of demand, which would result in early retirement of the
    bonds by the issuer. Moreover, such housing revenue bonds depend for their
    repayment upon the cash flow from the underlying mortgages, which cannot
    be precisely predicted when the bonds are issued. Any difference in the
    actual cash flow from such mortgages from the assumed cash flow could have
    an adverse impact upon the ability of the issuer to make scheduled
    payments of principal and interest on the bonds, or could result in early
    retirement of the bonds. Additionally, such bonds depend in part for
    scheduled payments of principal and interest upon reserve funds
    established from the proceeds of the bonds, assuming certain rates of
    return on investment of such reserve funds. If the assumed rates of return
    are not realized because of changes in interest rate levels or for other
    reasons, the actual cash flow for scheduled payments of principal and
    interest on the bonds may be inadequate. The financing of multi-family
    housing projects is affected by a variety of factors, including
    satisfactory completion of construction within cost constraints, the
    achievement and maintenance of a sufficient level of occupancy, sound
    management of the developments, timely and adequate increases in rents to
    cover increases in operating expenses, including taxes, utility rates and
    maintenance costs, changes in applicable laws and governmental regulations
    and social and economic trends.

      Electric utilities face problems in financing large construction
    programs in inflationary periods, cost increases and delay occasioned by
    environmental considerations (particularly with respect to nuclear
    facilities), difficulty in obtaining fuel at reasonable prices, the cost
    of competing fuel sources, difficulty in obtaining sufficient rate
    increases and other regulatory problems, the effect of energy conservation
    and difficulty of the capital market to absorb utility debt.

      Health care facilities include life care facilities, nursing homes and
    hospitals. Life care facilities are alternative forms of long-term housing
    for the elderly which offer residents the independence of condominium life
    style and, if needed, the comprehensive care of nursing home services.
    Bonds to finance these facilities have been issued by various state
    industrial development authorities. Since the bonds are secured only by
    the revenues of each facility and not by state or local government tax
    payments, they are subject to a wide variety of risks. Primarily, the
    projects must maintain adequate occupancy levels to be able to provide
    revenues adequate to maintain debt service payments. Moreover, in the case
    of life care facilities, since a portion of housing, medical care and
    other services may be financed by an initial deposit, there may be risk if
    the facility does not maintain adequate financial reserves to secure
    estimated actuarial liabilities. The ability of management to accurately
    forecast inflationary cost pressures weighs importantly in this process.
    The facilities may also be affected by regulatory cost restrictions
    applied to health care delivery in general, particularly state regulations
    or changes in Medicare and Medicaid payments or qualifications, or
    restrictions imposed by medical insurance companies. They may also face
    competition from alternative health care or conventional housing
    facilities in the private or public sector. Hospital bond ratings are
    often based on feasibility studies which contain projections of expenses,
    revenues and occupancy levels. A hospital's gross receipts and net income
    available to service its debt are influenced by demand for hospital
    services, the ability of the hospital to provide the services required,
    management capabilities, economic developments in the service area,
    efforts by insurers and government agencies to limit rates and expenses,
    confidence in the hospital, service area economic developments,
    competition, availability and expense of malpractice insurance, Medicaid
    and Medicare funding, and possible federal legislation limiting the rates
    of increase of hospital charges.

      A Fund may invest in municipal lease securities. These are undivided
    interests in a portion of an obligation in the from of a lease or
    installment purchase which is issued by state and local governments to
    acquire equipment and facilities. Municipal leases frequently have special
    risks not normally associated with general obligation or revenue bonds.
    Leases and installment purchase or conditional sale contracts (which
    normally provide for title to the leased asset to pass eventually to the
    governmental issuer) have evolved as a means for governmental issuers to
    acquire property and equipment without meeting the constitutional and
    statutory requirements for the issuance of debt. The debt-issuance
    limitations are deemed to be inapplicable because of the inclusion in many
    leases or contracts of "non-appropriation" clauses that provide that the
    governmental issuer has no obligation to make future payments under the
    lease or contract unless money is appropriated for such purpose by the
    appropriate legislative body on a yearly or other periodic basis. Although
    the obligations will be secured by the leased equipment or facilities, the
    disposition of the property in the event of non-appropriation or
    foreclosure might, in some cases, prove difficult. There are, of course,
    variations in the security of municipal lease securities, both within a
    particular classification and between classifications, depending on
    numerous factors.

      A Fund may also invest in bonds for industrial and other projects, such
    as sewage or solid waste disposal or hazardous waste treatment facilities.
    Financing for such projects will be subject to inflation and other general
    economic factors as well as construction risks including labor problems,
    difficulties with construction sites and the ability of contractors to
    meet specifications in a timely manner. Because some of the materials,
    processes and wastes involved in these projects may include hazardous
    components, there are risks associated with their production, handling and
    disposal.


      SPECULATIVE BONDS: A Fund may invest in fixed income and convertible
    securities rated Baa by Moody's or BBB by S&P, Fitch or Duff & Phelps and
    comparable unrated securities. See Appendix B for a description of bond
    ratings. These securities, while normally exhibiting adequate protection
    parameters, have speculative characteristics and changes in economic
    conditions or other circumstances are more likely to lead to a weakened
    capacity to make principal and interest payments than in the case of
    higher grade securities.


      U.S. GOVERNMENT SECURITIES: A Fund may invest in U.S. Government
    Securities including (i) U.S. Treasury obligations, all of which are
    backed by the full faith and credit of the U.S. Government and (ii) U.S.
    Government Securities, some of which are backed by the full faith and
    credit of the U.S. Treasury, e.g., direct pass-through certificates of the
    GNMA; some of which are backed only by the credit of the issuer itself,
    e.g., obligations of the Student Loan Marketing Association; and some of
    which are supported by the discretionary authority of the U.S. Government
    to purchase the agency's obligations, e.g., obligations of the FNMA.

      U.S. Government Securities also include interests in trust or other
    entities representing interests in obligations that are issued or
    guaranteed by the U.S. Government, its agencies, authorities or
    instrumentalities.

      VARIABLE AND FLOATING RATE OBLIGATIONS: A Fund may invest in floating or
    variable rate securities. Investments in floating or variable rate
    securities normally will involve industrial development or revenue bonds
    which provide that the rate of interest is set as a specific percentage of
    a designated base rate, such as rates on Treasury Bonds or Bills or the
    prime rate at a major commercial bank, and that a bondholder can demand
    payment of the obligations on behalf of a Fund on short notice at par plus
    accrued interest, which amount may be more or less than the amount the
    bondholder paid for them. The maturity of floating or variable rate
    obligations (including participation interests therein) is deemed to be
    the longer of (i) the notice period required before a Fund is entitled to
    receive payment of the obligation upon demand or (ii) the period remaining
    until the obligation's next interest rate adjustment. If not redeemed by a
    Fund through the demand feature, the obligations mature on a specified
    date which may range up to thirty years from the date of issuance.

      ZERO COUPON BONDS, DEFERRED INTEREST BONDS AND PIK BONDS: A Fund may
    invest in zero coupon bonds, deferred interest bonds and bonds on which
    the interest is payable in kind ("PIK bonds"). Zero coupon and deferred
    interest bonds are debt obligations which are issued at a significant
    discount from face value. The discount approximates the total amount of
    interest the bonds will accrue and compound over the period until maturity
    or the first interest payment date at a rate of interest reflecting the
    market rate of the security at the time of issuance. While zero coupon
    bonds do not require the periodic payment of interest, deferred interest
    bonds provide for a period of delay before the regular payment of interest
    begins. PIK bonds are debt obligations which provide that the issuer may,
    at its option, pay interest on such bonds in cash or in the form of
    additional debt obligations. Such investments benefit the issuer by
    mitigating its need for cash to meet debt service, but also require a
    higher rate of return to attract investors who are willing to defer
    receipt of such cash. Such investments may experience greater volatility
    in market value than debt obligations which make regular payments of
    interest. A Fund will accrue income on such investments for tax and
    accounting purposes, which is distributable to shareholders and which,
    because no cash is received at the time of accrual, may require the
    liquidation of other portfolio securities to satisfy a Fund's distribution
    obligations.

    EQUITY SECURITIES
    A Fund may invest in all types of equity securities, including the
    following: common stocks, preferred stocks and preference stocks;
    securities such as bonds, warrants or rights that are convertible into
    stocks; and depositary receipts for those securities. These securities may
    be listed on securities exchanges, traded in various over-the-counter
    markets or have no organized market.

    FOREIGN SECURITIES EXPOSURE
    A Fund may invest in various types of foreign securities, or securities
    which provide a Fund with exposure to foreign securities or foreign
    currencies, as discussed below:

    BRADY BONDS: A Fund may invest in Brady Bonds, which are securities
    created through the exchange of existing commercial bank loans to public
    and private entities in certain emerging markets for new bonds in
    connection with debt restructurings under a debt restructuring plan
    introduced by former U.S. Secretary of the Treasury, Nicholas F. Brady
    (the "Brady Plan"). Brady Plan debt restructurings have been implemented
    to date in Argentina, Brazil, Bulgaria, Costa Rica, Croatia, Dominican
    Republic, Ecuador, Jordan, Mexico, Morocco, Nigeria, Panama, Peru, the
    Philippines, Poland, Slovenia, Uruguay and Venezuela. Brady Bonds have
    been issued only recently, and for that reason do not have a long payment
    history. Brady Bonds may be collateralized or uncollateralized, are issued
    in various currencies (but primarily the U.S. dollar) and are actively
    traded in over-the-counter secondary markets. U.S. dollar-denominated,
    collateralized Brady Bonds, which may be fixed rate bonds or floating-rate
    bonds, are generally collateralized in full as to principal by U.S.
    Treasury zero coupon bonds having the same maturity as the bonds. Brady
    Bonds are often viewed as having three or four valuation components: the
    collateralized repayment of principal at final maturity; the
    collateralized interest payments; the uncollateralized interest payments;
    and any uncollateralized repayment of principal at maturity (these
    uncollateralized amounts constituting the "residual risk"). In light of
    the residual risk of Brady Bonds and the history of defaults of countries
    issuing Brady Bonds with respect to commercial bank loans by public and
    private entities, investments in Brady Bonds may be viewed as speculative.

    DEPOSITARY RECEIPTS: A Fund may invest in American Depositary Receipts
    ("ADRs"), Global Depositary Receipts ("GDRs") and other types of depositary
    receipts. ADRs are certificates by a U.S. depositary (usually a bank) and
    represent a specified quantity of shares of an underlying non-U.S. stock on
    deposit with a custodian bank as collateral. GDRs and other types of
    depositary receipts are typically issued by foreign banks or trust companies
    and evidence ownership of underlying securities issued by either a foreign
    or a U.S. company. Generally, ADRs are in registered form and are designed
    for use in U.S. securities markets and GDRs are in bearer form and are
    designed for use in foreign securities markets. For the purposes of a Fund's
    policy to invest a certain percentage of its assets in foreign securities,
    the investments of a Fund in ADRs, GDRs and other types of depositary
    receipts are deemed to be investments in the underlying securities.

      ADRs may be sponsored or unsponsored. A sponsored ADR is issued by a
    depositary which has an exclusive relationship with the issuer of the
    underlying security. An unsponsored ADR may be issued by any number of
    U.S. depositories. Under the terms of most sponsored arrangements,
    depositories agree to distribute notices of shareholder meetings and
    voting instructions, and to provide shareholder communications and other
    information to the ADR holders at the request of the issuer of the
    deposited securities. The depository of an unsponsored ADR, on the other
    hand, is under no obligation to distribute shareholder communications
    received from the issuer of the deposited securities or to pass through
    voting rights to ADR holders in respect of the deposited securities. A
    Fund may invest in either type of ADR. Although the U.S. investor holds a
    substitute receipt of ownership rather than direct stock certificates, the
    use of the depositary receipts in the United States can reduce costs and
    delays as well as potential currency exchange and other difficulties. A
    Fund may purchase securities in local markets and direct delivery of these
    ordinary shares to the local depositary of an ADR agent bank in foreign
    country. Simultaneously, the ADR agents create a certificate which settles
    at a Fund's custodian in five days. A Fund may also execute trades on the
    U.S. markets using existing ADRs. A foreign issuer of the security
    underlying an ADR is generally not subject to the same reporting
    requirements in the United States as a domestic issuer. Accordingly,
    information available to a U.S. investor will be limited to the
    information the foreign issuer is required to disclose in its country and
    the market value of an ADR may not reflect undisclosed material
    information concerning the issuer of the underlying security. ADRs may
    also be subject to exchange rate risks if the underlying foreign
    securities are denominated in a foreign currency.

    DOLLAR-DENOMINATED FOREIGN DEBT SECURITIES: A Fund may invest in
    dollar-denominated foreign debt securities. Investing in dollar-denominated
    foreign debt represents a greater degree of risk than investing in domestic
    securities, due to less publicly available information, less securities
    regulation, war or expropriation. Special considerations may include higher
    brokerage costs and thinner trading markets. Investments in foreign
    countries could be affected by other factors including extended settlement
    periods.

    EMERGING MARKETS: A Fund may invest in securities of government,
    government-related, supranational and corporate issuers located in
    emerging markets. Emerging markets include any country determined by the
    Adviser to have an emerging market economy, taking into account a number
    of factors, including whether the country has a low- to middle-income
    economy according to the International Bank for Reconstruction and
    Development, the country's foreign currency debt rating, its political and
    economic stability and the development of its financial and capital
    markets. The Adviser determines whether an issuer's principal activities
    are located in an emerging market country by considering such factors as
    its country of organization, the principal trading market for its
    securities, the source of its revenues and location of its assets. Such
    investments entail significant risks as described below.

    o Company Debt -- Governments of many emerging market countries have
      exercised and continue to exercise substantial influence over many aspects
      of the private sector through the ownership or control of many companies,
      including some of the largest in any given country. As a result,
      government actions in the future could have a significant effect on
      economic conditions in emerging markets, which in turn, may adversely
      affect companies in the private sector, general market conditions and
      prices and yields of certain of the securities in a Fund's portfolio.
      Expropriation, confiscatory taxation, nationalization, political, economic
      or social instability or other similar developments have occurred
      frequently over the history of certain emerging markets and could
      adversely affect a Fund's assets should these conditions recur.

    o Default; Legal Recourse -- A Fund may have limited legal recourse in the
      event of a default with respect to certain debt obligations it may hold.
      If the issuer of a fixed income security owned by a Fund defaults, a Fund
      may incur additional expenses to seek recovery. Debt obligations issued by
      emerging market governments differ from debt obligations of private
      entities; remedies from defaults on debt obligations issued by emerging
      market governments, unlike those on private debt, must be pursued in the
      courts of the defaulting party itself. A Fund's ability to enforce its
      rights against private issuers may be limited. The ability to attach
      assets to enforce a judgment may be limited. Legal recourse is therefore
      somewhat diminished. Bankruptcy, moratorium and other similar laws
      applicable to private issuers of debt obligations may be substantially
      different from those of other countries. The political context, expressed
      as an emerging market governmental issuer's willingness to meet the terms
      of the debt obligation, for example, is of considerable importance. In
      addition, no assurance can be given that the holders of commercial bank
      debt may not contest payments to the holders of debt obligations in the
      event of default under commercial bank loan agreements.

    o Foreign Currencies -- The securities in which a Fund invests may be
      denominated in foreign currencies and international currency units and a
      Fund may invest a portion of its assets directly in foreign currencies.
      Accordingly, the weakening of these currencies and units against the U.S.
      dollar may result in a decline in a Fund's asset value.

      Some emerging market countries also may have managed currencies, which
      are not free floating against the U.S. dollar. In addition, there is risk
      that certain emerging market countries may restrict the free conversion
      of their currencies into other currencies. Further, certain emerging
      market currencies may not be internationally traded. Certain of these
      currencies have experienced a steep devaluation relative to the U.S.
      dollar. Any devaluations in the currencies in which a Fund's portfolio
      securities are denominated may have a detrimental impact on a Fund's net
      asset value.

    o Inflation -- Many emerging markets have experienced substantial, and in
      some periods extremely high, rates of inflation for many years. Inflation
      and rapid fluctuations in inflation rates have had and may continue to
      have adverse effects on the economies and securities markets of certain
      emerging market countries. In an attempt to control inflation, wage and
      price controls have been imposed in certain countries. Of these countries,
      some, in recent years, have begun to control inflation through prudent
      economic policies.

    o Liquidity; Trading Volume; Regulatory Oversight -- The securities markets
      of emerging market countries are substantially smaller, less developed,
      less liquid and more volatile than the major securities markets in the
      U.S. Disclosure and regulatory standards are in many respects less
      stringent than U.S. standards. Furthermore, there is a lower level of
      monitoring and regulation of the markets and the activities of investors
      in such markets.

    The limited size of many emerging market securities markets and limited
    trading volume in the securities of emerging market issuers compared to
    volume of trading in the securities of U.S. issuers could cause prices to
    be erratic for reasons apart from factors that affect the soundness and
    competitiveness of the securities issuers. For example, limited market
    size may cause prices to be unduly influenced by traders who control large
    positions. Adverse publicity and investors' perceptions, whether or not
    based on in-depth fundamental analysis, may decrease the value and
    liquidity of portfolio securities.

    The risk also exists that an emergency situation may arise in one or more
    emerging markets, as a result of which trading of securities may cease or
    may be substantially curtailed and prices for a Fund's securities in such
    markets may not be readily available. A Fund may suspend redemption of its
    shares for any period during which an emergency exists, as determined by
    the Securities and Exchange Commission (the "SEC"). Accordingly, if a Fund
    believes that appropriate circumstances exist, it will promptly apply to
    the SEC for a determination that an emergency is present. During the
    period commencing from a Fund's identification of such condition until the
    date of the SEC action, a Fund's securities in the affected markets will
    be valued at fair value determined in good faith by or under the direction
    of the Board of Trustees.

    o Sovereign Debt -- Investment in sovereign debt can involve a high degree
      of risk. The governmental entity that controls the repayment of sovereign
      debt may not be able or willing to repay the principal and/or interest
      when due in accordance with the terms of such debt. A governmental
      entity's willingness or ability to repay principal and interest due in a
      timely manner may be affected by, among other factors, its cash flow
      situation, the extent of its foreign reserves, the availability of
      sufficient foreign exchange on the date a payment is due, the relative
      size of the debt service burden to the economy as a whole, the
      governmental entity's policy towards the International Monetary Fund and
      the political constraints to which a governmental entity may be subject.
      Governmental entities may also be dependent on expected disbursements from
      foreign governments, multilateral agencies and others abroad to reduce
      principal and interest on their debt. The commitment on the part of these
      governments, agencies and others to make such disbursements may be
      conditioned on a governmental entity's implementation of economic reforms
      and/or economic performance and the timely service of such debtor's
      obligations. Failure to implement such reforms, achieve such levels of
      economic performance or repay principal or interest when due may result in
      the cancellation of such third parties' commitments to lend funds to the
      governmental entity, which may further impair such debtor's ability or
      willingness to service its debts in a timely manner. Consequently,
      governmental entities may default on their sovereign debt. Holders of
      sovereign debt (including a Fund) may be requested to participate in the
      rescheduling of such debt and to extend further loans to governmental
      entities. There is no bankruptcy proceedings by which sovereign debt on
      which governmental entities have defaulted may be collected in whole or in
      part.

      Emerging market governmental issuers are among the largest debtors to
      commercial banks, foreign governments, international financial
      organizations and other financial institutions. Certain emerging market
      governmental issuers have not been able to make payments of interest on
      or principal of debt obligations as those payments have come due.
      Obligations arising from past restructuring agreements may affect the
      economic performance and political and social stability of those issuers.

      The ability of emerging market governmental issuers to make timely
      payments on their obligations is likely to be influenced strongly by the
      issuer's balance of payments, including export performance, and its
      access to international credits and investments. An emerging market whose
      exports are concentrated in a few commodities could be vulnerable to a
      decline in the international prices of one or more of those commodities.
      Increased protectionism on the part of an emerging market's trading
      partners could also adversely affect the country's exports and tarnish
      its trade account surplus, if any. To the extent that emerging markets
      receive payment for their exports in currencies other than dollars or
      non-emerging market currencies, its ability to make debt payments
      denominated in dollars or non-emerging market currencies could be
      affected.

      To the extent that an emerging market country cannot generate a trade
      surplus, it must depend on continuing loans from foreign governments,
      multilateral organizations or private commercial banks, aid payments from
      foreign governments and on inflows of foreign investment. The access of
      emerging markets to these forms of external funding may not be certain,
      and a withdrawal of external funding could adversely affect the capacity
      of emerging market country governmental issuers to make payments on their
      obligations. In addition, the cost of servicing emerging market debt
      obligations can be affected by a change in international interest rates
      since the majority of these obligations carry interest rates that are
      adjusted periodically based upon international rates.

      Another factor bearing on the ability of emerging market countries to
      repay debt obligations is the level of international reserves of the
      country. Fluctuations in the level of these reserves affect the amount of
      foreign exchange readily available for external debt payments and thus
      could have a bearing on the capacity of emerging market countries to make
      payments on these debt obligations.

    o Withholding -- Income from securities held by a Fund could be reduced by a
      withholding tax on the source or other taxes imposed by the emerging
      market countries in which a Fund makes its investments. A Fund's net asset
      value may also be affected by changes in the rates or methods of taxation
      applicable to a Fund or to entities in which a Fund has invested. The
      Adviser will consider the cost of any taxes in determining whether to
      acquire any particular investments, but can provide no assurance that the
      taxes will not be subject to change.

    FOREIGN SECURITIES: A Fund may invest in dollar-denominated and non
    dollar-denominated foreign securities. The issuer's principal activities
    generally are deemed to be located in a particular country if: (a) the
    security is issued or guaranteed by the government of that country or any
    of its agencies, authorities or instrumentalities; (b) the issuer is
    organized under the laws of, and maintains a principal office in, that
    country; (c) the issuer has its principal securities trading market in
    that country; (d) the issuer derives 50% or more of its total revenues
    from goods sold or services performed in that country; or (e) the issuer
    has 50 or more of its assets in that country.

      Investing in securities of foreign issuers generally involves risks not
    ordinarily associated with investing in securities of domestic issuers.
    These include changes in currency rates, exchange control regulations,
    securities settlement practices, governmental administration or economic
    or monetary policy (in the United States or abroad) or circumstances in
    dealings between nations. Costs may be incurred in connection with
    conversions between various currencies. Special considerations may also
    include more limited information about foreign issuers, higher brokerage
    costs, different accounting standards and thinner trading markets. Foreign
    securities markets may also be less liquid, more volatile and less subject
    to government supervision than in the United States. Investments in
    foreign countries could be affected by other factors including
    expropriation, confiscatory taxation and potential difficulties in
    enforcing contractual obligations and could be subject to extended
    settlement periods. As a result of its investments in foreign securities,
    a Fund may receive interest or dividend payments, or the proceeds of the
    sale or redemption of such securities, in the foreign currencies in which
    such securities are denominated. Under certain circumstances, such as
    where the Adviser believes that the applicable exchange rate is
    unfavorable at the time the currencies are received or the Adviser
    anticipates, for any other reason, that the exchange rate will improve, a
    Fund may hold such currencies for an indefinite period of time. While the
    holding of currencies will permit a Fund to take advantage of favorable
    movements in the applicable exchange rate, such strategy also exposes a
    Fund to risk of loss if exchange rates move in a direction adverse to a
    Fund's position. Such losses could reduce any profits or increase any
    losses sustained by a Fund from the sale or redemption of securities and
    could reduce the dollar value of interest or dividend payments received.
    The Fund's investments in foreign securities may also include
    "privatizations". Privatizations are situations where the government in a
    given country, including emerging market countries, sells part or all of
    its stakes in government owned or controlled enterprises. In certain
    countries, the ability of foreign entities to participate in
    privatizations may be limited by local law and the terms on which the
    foreign entities may be permitted to participate may be less advantageous
    than those afforded local investors.

    FORWARD CONTRACTS
    A Fund may enter into contracts for the purchase or sale of a specific
    currency at a future date at a price set at the time the contract is
    entered into (a "Forward Contract"), for hedging purposes (e.g., to
    protect its current or intended investments from fluctuations in currency
    exchange rates) as well as for non-hedging purposes.

      A Forward Contract to sell a currency may be entered into where a Fund
    seeks to protect against an anticipated increase in the exchange rate for
    a specific currency which could reduce the dollar value of portfolio
    securities denominated in such currency. Conversely, a Fund may enter into
    a Forward Contract to purchase a given currency to protect against a
    projected increase in the dollar value of securities denominated in such
    currency which a Fund intends to acquire.

      If a hedging transaction in Forward Contracts is successful, the decline
    in the dollar value of portfolio securities or the increase in the dollar
    cost of securities to be acquired may be offset, at least in part, by
    profits on the Forward Contract. Nevertheless, by entering into such
    Forward Contracts, a Fund may be required to forego all or a portion of
    the benefits which otherwise could have been obtained from favorable
    movements in exchange rates. A Fund does not presently intend to hold
    Forward Contracts entered into until the value date, at which time it
    would be required to deliver or accept delivery of the underlying
    currency, but will seek in most instances to close out positions in such
    Contracts by entering into offsetting transactions, which will serve to
    fix a Fund's profit or loss based upon the value of the Contracts at the
    time the offsetting transaction is executed.

      A Fund will also enter into transactions in Forward Contracts for other
    than hedging purposes, which presents greater profit potential but also
    involves increased risk. For example, a Fund may purchase a given foreign
    currency through a Forward Contract if, in the judgment of the Adviser,
    the value of such currency is expected to rise relative to the U.S.
    dollar. Conversely, a Fund may sell the currency through a Forward
    Contract if the Adviser believes that its value will decline relative to
    the dollar.

      A Fund will profit if the anticipated movements in foreign currency
    exchange rates occur, which will increase its gross income. Where exchange
    rates do not move in the direction or to the extent anticipated, however,
    a Fund may sustain losses which will reduce its gross income. Such
    transactions, therefore, could be considered speculative and could involve
    significant risk of loss.

      The use by a Fund of Forward Contracts also involves the risks described
    under the caption "Special Risk Factors -- Options, Futures, Forwards,
    Swaps and Other Derivative Transactions" in this Appendix.

    FUTURES CONTRACTS
    A Fund may purchase and sell futures contracts ("Futures Contracts") on
    stock indices, foreign currencies, interest rates or interest-rate related
    instruments, indices of foreign currencies or commodities. A Fund may also
    purchase and sell Futures Contracts on foreign or domestic fixed income
    securities or indices of such securities including municipal bond indices
    and any other indices of foreign or domestic fixed income securities that
    may become available for trading. Such investment strategies will be used
    for hedging purposes and for non-hedging purposes, subject to applicable
    law.

      A Futures Contract is a bilateral agreement providing for the purchase
    and sale of a specified type and amount of a financial instrument, foreign
    currency or commodity, or for the making and acceptance of a cash
    settlement, at a stated time in the future for a fixed price. By its
    terms, a Futures Contract provides for a specified settlement month in
    which, in the case of the majority of commodities, interest rate and
    foreign currency futures contracts, the underlying commodities, fixed
    income securities or currency are delivered by the seller and paid for by
    the purchaser, or on which, in the case of index futures contracts and
    certain interest rate and foreign currency futures contracts, the
    difference between the price at which the contract was entered into and
    the contract's closing value is settled between the purchaser and seller
    in cash. Futures Contracts differ from options in that they are bilateral
    agreements, with both the purchaser and the seller equally obligated to
    complete the transaction. Futures Contracts call for settlement only on
    the expiration date and cannot be "exercised" at any other time during
    their term.

      The purchase or sale of a Futures Contract differs from the purchase or
    sale of a security or the purchase of an option in that no purchase price
    is paid or received. Instead, an amount of cash or cash equivalents, which
    varies but may be as low as 5% or less of the value of the contract, must
    be deposited with the broker as "initial margin." Subsequent payments to
    and from the broker, referred to as "variation margin," are made on a
    daily basis as the value of the index or instrument underlying the Futures
    Contract fluctuates, making positions in the Futures Contract more or less
    valuable -- a process known as "mark-to-market."

      Purchases or sales of stock index futures contracts are used to attempt
    to protect a Fund's current or intended stock investments from broad
    fluctuations in stock prices. For example, a Fund may sell stock index
    futures contracts in anticipation of or during a market decline to attempt
    to offset the decrease in market value of a Fund's securities portfolio
    that might otherwise result. If such decline occurs, the loss in value of
    portfolio securities may be offset, in whole or part, by gains on the
    futures position. When a Fund is not fully invested in the securities
    market and anticipates a significant market advance, it may purchase stock
    index futures contracts in order to gain rapid market exposure that may,
    in part or entirely, offset increases in the cost of securities that a
    Fund intends to purchase. As such purchases are made, the corresponding
    positions in stock index futures contracts will be closed out. In a
    substantial majority of these transactions, a Fund will purchase such
    securities upon termination of the futures position, but under unusual
    market conditions, a long futures position may be terminated without a
    related purchase of securities.

      Interest rate Futures Contracts may be purchased or sold to attempt to
    protect against the effects of interest rate changes on a Fund's current
    or intended investments in fixed income securities. For example, if a Fund
    owned long-term bonds and interest rates were expected to increase, a Fund
    might enter into interest rate futures contracts for the sale of debt
    securities. Such a sale would have much the same effect as selling some of
    the long-term bonds in a Fund's portfolio. If interest rates did increase,
    the value of the debt securities in the portfolio would decline, but the
    value of a Fund's interest rate futures contracts would increase at
    approximately the same rate, subject to the correlation risks described
    below, thereby keeping the net asset value of a Fund from declining as
    much as it otherwise would have.

      Similarly, if interest rates were expected to decline, interest rate
    futures contracts may be purchased to hedge in anticipation of subsequent
    purchases of long-term bonds at higher prices. Since the fluctuations in
    the value of the interest rate futures contracts should be similar to that
    of long-term bonds, a Fund could protect itself against the effects of the
    anticipated rise in the value of long-term bonds without actually buying
    them until the necessary cash became available or the market had
    stabilized. At that time, the interest rate futures contracts could be
    liquidated and a Fund's cash reserves could then be used to buy long-term
    bonds on the cash market. A Fund could accomplish similar results by
    selling bonds with long maturities and investing in bonds with short
    maturities when interest rates are expected to increase. However, since
    the futures market may be more liquid than the cash market in certain
    cases or at certain times, the use of interest rate futures contracts as a
    hedging technique may allow a Fund to hedge its interest rate risk without
    having to sell its portfolio securities.

      A Fund may purchase and sell foreign currency futures contracts for
    hedging purposes, to attempt to protect its current or intended investments
    from fluctuations in currency exchange rates. Such fluctuations could reduce
    the dollar value of portfolio securities denominated in foreign currencies,
    or increase the dollar cost of foreign-denominated securities to be
    acquired, even if the value of such securities in the currencies in which
    they are denominated remains constant. A Fund may sell futures contracts on
    a foreign currency, for example, where it holds securities denominated in
    such currency and it anticipates a decline in the value of such currency
    relative to the dollar. In the event such decline occurs, the resulting
    adverse effect on the value of foreign-denominated securities may be offset,
    in whole or in part, by gains on the futures contracts.

      Conversely, a Fund could protect against a rise in the dollar cost of
    foreign-denominated securities to be acquired by purchasing futures
    contracts on the relevant currency, which could offset, in whole or in
    part, the increased cost of such securities resulting from a rise in the
    dollar value of the underlying currencies. Where a Fund purchases futures
    contracts under such circumstances, however, and the prices of securities
    to be acquired instead decline, a Fund will sustain losses on its futures
    position which could reduce or eliminate the benefits of the reduced cost
    of portfolio securities to be acquired.

      The use by a Fund of Futures Contracts also involves the risks described
    under the caption "Special Risk Factors -- Options, Futures, Forwards,
    Swaps and Other Derivative Transactions" in this Appendix.

    INDEXED SECURITIES

    A Fund may purchase securities with principal and/or interest payments
    whose prices are indexed to the prices of other securities, securities
    indices, currencies, precious metals or other commodities, or other
    financial indicators. Indexed securities typically, but not always, are debt
    securities or deposits whose value at maturity or coupon rate is determined
    by reference to a specific instrument or statistic. A Fund may also purchase
    indexed deposits with similar characteristics. Gold-indexed securities, for
    example, typically provide for a maturity value that depends on the price of
    gold, resulting in a security whose price tends to rise and fall together
    with gold prices. Currency-indexed securities typically are short-term to
    intermediate-term debt securities whose maturity values or interest rates
    are determined by reference to the values of one or more specified foreign
    currencies, and may offer higher yields than U.S. dollar denominated
    securities of equivalent issuers. Currency-indexed securities may be
    positively or negatively indexed; that is, their maturity value may increase
    when the specified currency value increases, resulting in a security that
    performs similarly to a foreign-denominated instrument, or their maturity
    value may decline when foreign currencies increase, resulting in a security
    whose price characteristics are similar to a put on the underlying currency.
    Currency-indexed securities may also have prices that depend on the values
    of a number of different foreign currencies relative to each other. Certain
    indexed securities may expose a Fund to the risk of loss of all or a portion
    of the principal amount of its investment and/or the interest that might
    otherwise have been earned on the amount invested.

      The performance of indexed securities depends to a great extent on the
    performance of the security, currency, or other instrument to which they
    are indexed, and may also be influenced by interest rate changes in the
    U.S. and abroad. At the same time, indexed securities are subject to the
    credit risks associated with the issuer of the security, and their values
    may decline substantially if the issuer's creditworthiness deteriorates.
    Recent issuers of indexed securities have included banks, corporations,
    and certain U.S. Government-sponsored entities.

    INVERSE FLOATING RATE OBLIGATIONS
    A Fund may invest in so-called "inverse floating rate obligations" or
    "residual interest bonds" or other obligations or certificates relating
    thereto structured to have similar features. In creating such an
    obligation, a municipality issues a certain amount of debt and pays a
    fixed interest rate. Half of the debt is issued as variable rate short
    term obligations, the interest rate of which is reset at short intervals,
    typically 35 days. The other half of the debt is issued as inverse
    floating rate obligations, the interest rate of which is calculated based
    on the difference between a multiple of (approximately two times) the
    interest paid by the issuer and the interest paid on the short-term
    obligation. Under usual circumstances, the holder of the inverse floating
    rate obligation can generally purchase an equal principal amount of the
    short term obligation and link the two obligations in order to create
    long-term fixed rate bonds. Because the interest rate on the inverse
    floating rate obligation is determined by subtracting the short-term rate
    from a fixed amount, the interest rate will decrease as the short-term
    rate increases and will increase as the short-term rate decreases. The
    magnitude of increases and decreases in the market value of inverse
    floating rate obligations may be approximately twice as large as the
    comparable change in the market value of an equal principal amount of
    long-term bonds which bear interest at the rate paid by the issuer and
    have similar credit quality, redemption and maturity provisions.

    INVESTMENT IN OTHER INVESTMENT COMPANIES
    A Fund may invest in other investment companies. The total return on such
    investment will be reduced by the operating expenses and fees of such
    other investment companies, including advisory fees.

      OPEN-END FUNDS. A Fund may invest in open-end investment companies.

      CLOSED-END FUNDS. A Fund may invest in closed-end investment companies.
    Such investment may involve the payment of substantial premiums above the
    value of such investment companies' portfolio securities.

    LENDING OF PORTFOLIO SECURITIES
    A Fund may seek to increase its income by lending portfolio securities.
    Such loans will usually be made only to member firms of the New York Stock
    Exchange (the "Exchange") (and subsidiaries thereof) and member banks of
    the Federal Reserve System, and would be required to be secured
    continuously by collateral in cash, an irrevocable letter of credit or
    United States ("U.S.") Treasury securities maintained on a current basis
    at an amount at least equal to the market value of the securities loaned.
    A Fund would have the right to call a loan and obtain the securities
    loaned at any time on customary industry settlement notice (which will not
    usually exceed five business days). For the duration of a loan, a Fund
    would continue to receive the equivalent of the interest or dividends paid
    by the issuer on the securities loaned. A Fund would also receive a fee
    from the borrower or compensation from the investment of the collateral,
    less a fee paid to the borrower (if the collateral is in the form of
    cash). A Fund would not, however, have the right to vote any securities
    having voting rights during the existence of the loan, but a Fund 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.
    However, the loans would be made only to firms deemed by the Adviser to be
    of good standing, and when, in the judgment of the Adviser, the
    consideration which can be earned currently from securities loans of this
    type justifies the attendant risk.

    LEVERAGING TRANSACTIONS
    A Fund may engage in the types of transactions described below, which
    involve "leverage" because in each case a Fund receives cash which it can
    invest in portfolio securities and has a future obligation to make a
    payment. The use of these transactions by a Fund will generally cause its
    net asset value to increase or decrease at a greater rate than would
    otherwise be the case. Any investment income or gains earned from the
    portfolio securities purchased with the proceeds from these transactions
    which is in excess of the expenses associated from these transactions can
    be expected to cause the value of a Fund's shares and distributions on a
    Fund's shares to rise more quickly than would otherwise be the case.
    Conversely, if the investment income or gains earned from the portfolio
    securities purchased with proceeds from these transactions fail to cover
    the expenses associated with these transactions, the value of a Fund's
    shares is likely to decrease more quickly than otherwise would be the case
    and distributions thereon will be reduced or eliminated. Hence, these
    transactions are speculative, involve leverage and increase the risk of
    owning or investing in the shares of a Fund. These transactions also
    increase a Fund's expenses because of interest and similar payments and
    administrative expenses associated with them. Unless the appreciation and
    income on assets purchased with proceeds from these transactions exceed
    the costs associated with them, the use of these transactions by a Fund
    would diminish the investment performance of a Fund compared with what it
    would have been without using these transactions.

    BANK BORROWINGS: A Fund may borrow money for investment purposes from
    banks and invest the proceeds in accordance with its investment objectives
    and policies.

    MORTGAGE "DOLLAR ROLL" TRANSACTIONS: A Fund may enter into mortgage
    "dollar roll" transactions pursuant to which it sells mortgage-backed
    securities for delivery in the future and simultaneously contracts to
    repurchase substantially similar securities on a specified future date.
    During the roll period, a Fund foregoes principal and interest paid on the
    mortgage-backed securities. A Fund is compensated for the lost interest by
    the difference between the current sales price and the lower price for the
    future purchase (often referred to as the "drop") as well as by the
    interest earned on, and gains from, the investment of the cash proceeds of
    the initial sale. A Fund may also be compensated by receipt of a
    commitment fee.

      If the income and capital gains from a Fund's investment of the cash
    from the initial sale do not exceed the income, capital appreciation and
    gain or loss that would have been realized on the securities sold as part
    of the dollar roll, the use of this technique will diminish the investment
    performance of a Fund compared with what the performance would have been
    without the use of the dollar rolls. Dollar roll transactions involve the
    risk that the market value of the securities a Fund is required to
    purchase may decline below the agreed upon repurchase price of those
    securities. If the broker/dealer to whom a Fund sells securities becomes
    insolvent, a Fund's right to purchase or repurchase securities may be
    restricted. Successful use of mortgage dollar rolls may depend upon the
    Adviser's ability to correctly predict interest rates and prepayments.
    There is no assurance that dollar rolls can be successfully employed.

    REVERSE REPURCHASE AGREEMENTS: A Fund may enter into reverse repurchase
    agreements. In a reverse repurchase agreement, a Fund will sell securities
    and receive cash proceeds, subject to its agreement to repurchase the
    securities at a later date for a fixed price reflecting a market rate of
    interest. There is a risk that the counter party to a reverse repurchase
    agreement will be unable or unwilling to complete the transaction as
    scheduled, which may result in losses to a Fund. A Fund will invest the
    proceeds received under a reverse repurchase agreement in accordance with
    its investment objective and policies.

    OPTIONS
    A Fund may invest in the following types of options, which involve the
    risks described under the caption "Special Risk Factors -- Options,
    Futures, Forwards, Swaps and Other Derivative Transactions" in this
    Appendix:

    OPTIONS ON FOREIGN CURRENCIES: A Fund may purchase and write options on
    foreign currencies for hedging and non-hedging purposes in a manner
    similar to that in which Futures Contracts on foreign currencies, or
    Forward Contracts, will be utilized. For example, a decline in the dollar
    value of a foreign currency in which portfolio securities are denominated
    will reduce the dollar value of such securities, even if their value in
    the foreign currency remains constant. In order to protect against such
    diminutions in the value of portfolio securities, a Fund may purchase put
    options on the foreign currency. If the value of the currency does
    decline, a Fund will have the right to sell such currency for a fixed
    amount in dollars and will thereby offset, in whole in part, the adverse
    effect on its portfolio which otherwise would have resulted.

      Conversely, where a rise in the dollar value of a currency in which
    securities to be acquired are denominated is projected, thereby increasing
    the cost of such securities, a Fund may purchase call options thereon. The
    purchase of such options could offset, at least partially, the effect of
    the adverse movements in exchange rates. As in the case of other types of
    options, however, the benefit to a Fund deriving from purchases of foreign
    currency options will be reduced by the amount of the premium and related
    transaction costs. In addition, where currency exchange rates do not move
    in the direction or to the extent anticipated, a Fund could sustain losses
    on transactions in foreign currency options which would require it to
    forego a portion or all of the benefits of advantageous changes in such
    rates. A Fund may write options on foreign currencies for the same types
    of hedging purposes. For example, where a Fund anticipates a decline in
    the dollar value of foreign-denominated securities due to adverse
    fluctuations in exchange rates it could, instead of purchasing a put
    option, write a call option on the relevant currency. If the expected
    decline occurs, the option will most likely not be exercised, and the
    diminution in value of portfolio securities will be offset by the amount
    of the premium received less related transaction costs. As in the case of
    other types of options, therefore, the writing of Options on Foreign
    Currencies will constitute only a partial hedge.

      Similarly, instead of purchasing a call option to hedge against an
    anticipated increase in the dollar cost of securities to be acquired, a
    Fund could write a put option on the relevant currency which, if rates
    move in the manner projected, will expire unexercised and allow a Fund to
    hedge such increased cost up to the amount of the premium. Foreign
    currency options written by a Fund will generally be covered in a manner
    similar to the covering of other types of options. As in the case of other
    types of options, however, the writing of a foreign currency option will
    constitute only a partial hedge up to the amount of the premium, and only
    if rates move in the expected direction. If this does not occur, the
    option may be exercised and a Fund would be required to purchase or sell
    the underlying currency at a loss which may not be offset by the amount of
    the premium. Through the writing of options on foreign currencies, a Fund
    also may be required to forego all or a portion of the benefits which
    might otherwise have been obtained from favorable movements in exchange
    rates. The use of foreign currency options for non-hedging purposes, like
    the use of other types of derivatives for such purposes, presents greater
    profit potential but also significant risk of loss and could be considered
    speculative.

    OPTIONS ON FUTURES CONTRACTS: A Fund also may purchase and write options
    to buy or sell those Futures Contracts in which it may invest ("Options on
    Futures Contracts") as described above under "Futures Contracts." Such
    investment strategies will be used for hedging purposes and for non-hedging
    purposes, subject to applicable law.

      An Option on a Futures Contract provides the holder with the right to
    enter into a "long" position in the underlying Futures Contract, in the
    case of a call option, or a "short" position in the underlying Futures
    Contract, in the case of a put option, at a fixed exercise price up to a
    stated expiration date or, in the case of certain options, on such date.
    Upon exercise of the option by the holder, the contract market
    clearinghouse establishes a corresponding short position for the writer of
    the option, in the case of a call option, or a corresponding long position
    in the case of a put option. In the event that an option is exercised, the
    parties will be subject to all the risks associated with the trading of
    Futures Contracts, such as payment of initial and variation margin
    deposits. In addition, the writer of an Option on a Futures Contract,
    unlike the holder, is subject to initial and variation margin requirements
    on the option position.

      A position in an Option on a Futures Contract may be terminated by the
    purchaser or seller prior to expiration by effecting a closing purchase or
    sale transaction, subject to the availability of a liquid secondary
    market, which is the purchase or sale of an option of the same type (i.e.,
    the same exercise price and expiration date) as the option previously
    purchased or sold. The difference between the premiums paid and received
    represents a Fund's profit or loss on the transaction.

      Options on Futures Contracts that are written or purchased by a Fund on
    U.S. exchanges are traded on the same contract market as the underlying
    Futures Contract, and, like Futures Contracts, are subject to regulation
    by the Commodity Futures Trading Commission (the "CFTC") and the
    performance guarantee of the exchange clearinghouse. In addition, Options
    on Futures Contracts may be traded on foreign exchanges. A Fund may cover
    the writing of call Options on Futures Contracts (a) through purchases of
    the underlying Futures Contract, (b) through ownership of the instrument,
    or instruments included in the index, underlying the Futures Contract, or
    (c) through the holding of a call on the same Futures Contract and in the
    same principal amount as the call written where the exercise price of the
    call held (i) is equal to or less than the exercise price of the call
    written or (ii) is greater than the exercise price of the call written if
    a Fund owns liquid and unencumbered assets equal to the difference. A Fund
    may cover the writing of put Options on Futures Contracts (a) through
    sales of the underlying Futures Contract, (b) through the ownership of
    liquid and unencumbered assets equal to the value of the security or index
    underlying the Futures Contract, or (c) through the holding of a put on
    the same Futures Contract and in the same principal amount as the put
    written where the exercise price of the put held (i) is equal to or
    greater than the exercise price of the put written or where the exercise
    price of the put held (ii) is less than the exercise price of the put
    written if a Fund owns liquid and unencumbered assets equal to the
    difference. Put and call Options on Futures Contracts may also be covered
    in such other manner as may be in accordance with the rules of the
    exchange on which the option is traded and applicable laws and
    regulations. Upon the exercise of a call Option on a Futures Contract
    written by a Fund, a Fund will be required to sell the underlying Futures
    Contract which, if a Fund has covered its obligation through the purchase
    of such Contract, will serve to liquidate its futures position. Similarly,
    where a put Option on a Futures Contract written by a Fund is exercised, a
    Fund will be required to purchase the underlying Futures Contract which,
    if a Fund has covered its obligation through the sale of such Contract,
    will close out its futures position.

      The writing of a call option on a Futures Contract for hedging purposes
    constitutes a partial hedge against declining prices of the securities or
    other instruments required to be delivered under the terms of the Futures
    Contract. If the futures price at expiration of the option is below the
    exercise price, a Fund will retain the full amount of the option premium,
    less related transaction costs, which provides a partial hedge against any
    decline that may have occurred in a Fund's portfolio holdings. The writing
    of a put option on a Futures Contract constitutes a partial hedge against
    increasing prices of the securities or other instruments required to be
    delivered under the terms of the Futures Contract. If the futures price at
    expiration of the option is higher than the exercise price, a Fund will
    retain the full amount of the option premium which provides a partial
    hedge against any increase in the price of securities which a Fund intends
    to purchase. If a put or call option a Fund has written is exercised, a
    Fund will incur a loss which will be reduced by the amount of the premium
    it receives. Depending on the degree of correlation between changes in the
    value of its portfolio securities and the changes in the value of its
    futures positions, a Fund's losses from existing Options on Futures
    Contracts may to some extent be reduced or increased by changes in the
    value of portfolio securities.

      A Fund may purchase Options on Futures Contracts for hedging purposes
    instead of purchasing or selling the underlying Futures Contracts. For
    example, where a decrease in the value of portfolio securities is
    anticipated as a result of a projected market-wide decline or changes in
    interest or exchange rates, a Fund could, in lieu of selling Futures
    Contracts, purchase put options thereon. In the event that such decrease
    occurs, it may be offset, in whole or in part, by a profit on the option.
    Conversely, where it is projected that the value of securities to be
    acquired by a Fund will increase prior to acquisition, due to a market
    advance or changes in interest or exchange rates, a Fund could purchase
    call Options on Futures Contracts rather than purchasing the underlying
    Futures Contracts.

    OPTIONS ON SECURITIES: A Fund may write (sell) covered put and call
    options, and purchase put and call options, on securities. Call and put
    options written by a Fund may be covered in the manner set forth below.

      A call option written by a Fund is "covered" if a Fund owns the security
    underlying the call or has an absolute and immediate right to acquire that
    security without additional cash consideration (or for additional cash
    consideration if a Fund owns liquid and unencumbered assets equal to the
    amount of cash consideration) upon conversion or exchange of other
    securities held in its portfolio. A call option is also covered if a Fund
    holds a call on the same security and in the same principal amount as the
    call written where the exercise price of the call held (a) is equal to or
    less than the exercise price of the call written or (b) is greater than
    the exercise price of the call written if a Fund owns liquid and
    unencumbered assets equal to the difference. A put option written by a
    Fund is "covered" if a Fund owns liquid and unencumbered assets with a
    value equal to the exercise price, or else holds a put on the same
    security and in the same principal amount as the put written where the
    exercise price of the put held is equal to or greater than the exercise
    price of the put written or where the exercise price of the put held is
    less than the exercise price of the put written if a Fund owns liquid and
    unencumbered assets equal to the difference. Put and call options written
    by a Fund may also be covered in such other manner as may be in accordance
    with the requirements of the exchange on which, or the counterparty with
    which, the option is traded, and applicable laws and regulations. If the
    writer's obligation is not so covered, it is subject to the risk of the
    full change in value of the underlying security from the time the option
    is written until exercise.

      Effecting a closing transaction in the case of a written call option
    will permit a Fund to write another call option on the underlying security
    with either a different exercise price or expiration date or both, or in
    the case of a written put option will permit a Fund to write another put
    option to the extent that a Fund owns liquid and unencumbered assets. Such
    transactions permit a Fund to generate additional premium income, which
    will partially offset declines in the value of portfolio securities or
    increases in the cost of securities to be acquired. Also, effecting a
    closing transaction will permit the cash or proceeds from the concurrent
    sale of any securities subject to the option to be used for other
    investments of a Fund, provided that another option on such security is
    not written. If a Fund desires to sell a particular security from its
    portfolio on which it has written a call option, it will effect a closing
    transaction in connection with the option prior to or concurrent with the
    sale of the security.

      A Fund will realize a profit from a closing transaction if the premium
    paid in connection with the closing of an option written by a Fund is less
    than the premium received from writing the option, or if the premium
    received in connection with the closing of an option purchased by a Fund
    is more than the premium paid for the original purchase. Conversely, a
    Fund will suffer a loss if the premium paid or received in connection with
    a closing transaction is more or less, respectively, than the premium
    received or paid in establishing the option position. Because increases in
    the market price of a call option will generally reflect increases in the
    market price of the underlying security, any loss resulting from the
    repurchase of a call option previously written by a Fund is likely to be
    offset in whole or in part by appreciation of the underlying security
    owned by a Fund.

      A Fund may write options in connection with buy-and-write transactions;
    that is, a Fund may purchase a security and then write a call option
    against that security. The exercise price of the call option a Fund
    determines to write will depend upon the expected price movement of the
    underlying security. The exercise price of a call option may be below
    ("in-the-money"), equal to ("at-the-money") or above ("out-of-the-money")
    the current value of the underlying security at the time the option is
    written. Buy-and-write transactions using in-the-money call options may be
    used when it is expected that the price of the underlying security will
    decline moderately during the option period. Buy-and-write transactions
    using out-of-the-money call options may be used when it is expected that
    the premiums received from writing the call option plus the appreciation
    in the market price of the underlying security up to the exercise price
    will be greater than the appreciation in the price of the underlying
    security alone. If the call options are exercised in such transactions, a
    Fund's maximum gain will be the premium received by it for writing the
    option, adjusted upwards or downwards by the difference between a Fund's
    purchase price of the security and the exercise price, less related
    transaction costs. If the options are not exercised and the price of the
    underlying security declines, the amount of such decline will be offset in
    part, or entirely, by the premium received.

      The writing of covered put options is similar in terms of risk/return
    characteristics to buy-and-write transactions. If the market price of the
    underlying security rises or otherwise is above the exercise price, the
    put option will expire worthless and a Fund's gain will be limited to the
    premium received, less related transaction costs. If the market price of
    the underlying security declines or otherwise is below the exercise price,
    a Fund may elect to close the position or retain the option until it is
    exercised, at which time a Fund will be required to take delivery of the
    security at the exercise price; a Fund's return will be the premium
    received from the put option minus the amount by which the market price of
    the security is below the exercise price, which could result in a loss.
    Out-of-the-money, at-the-money and in-the-money put options may be used by
    a Fund in the same market environments that call options are used in
    equivalent buy-and-write transactions.

      A Fund may also write combinations of put and call options on the same
    security, known as "straddles" with the same exercise price and expiration
    date. By writing a straddle, a Fund undertakes a simultaneous obligation
    to sell and purchase the same security in the event that one of the
    options is exercised. If the price of the security subsequently rises
    sufficiently above the exercise price to cover the amount of the premium
    and transaction costs, the call will likely be exercised and a Fund will
    be required to sell the underlying security at a below market price. This
    loss may be offset, however, in whole or part, by the premiums received on
    the writing of the two options. Conversely, if the price of the security
    declines by a sufficient amount, the put will likely be exercised. The
    writing of straddles will likely be effective, therefore, only where the
    price of the security remains stable and neither the call nor the put is
    exercised. In those instances where one of the options is exercised, the
    loss on the purchase or sale of the underlying security may exceed the
    amount of the premiums received.

      By writing a call option, a Fund limits its opportunity to profit from
    any increase in the market value of the underlying security above the
    exercise price of the option. By writing a put option, a Fund assumes the
    risk that it may be required to purchase the underlying security for an
    exercise price above its then-current market value, resulting in a capital
    loss unless the security subsequently appreciates in value. The writing of
    options on securities will not be undertaken by a Fund solely for hedging
    purposes, and could involve certain risks which are not present in the
    case of hedging transactions. Moreover, even where options are written for
    hedging purposes, such transactions constitute only a partial hedge
    against declines in the value of portfolio securities or against increases
    in the value of securities to be acquired, up to the amount of the
    premium.

      A Fund may also purchase options for hedging purposes or to increase its
    return. Put options may be purchased to hedge against a decline in the
    value of portfolio securities. If such decline occurs, the put options
    will permit a Fund to sell the securities at the exercise price, or to
    close out the options at a profit. By using put options in this way, a
    Fund will reduce any profit it might otherwise have realized in the
    underlying security by the amount of the premium paid for the put option
    and by transaction costs.

      A Fund may also purchase call options to hedge against an increase in
    the price of securities that a Fund anticipates purchasing in the future.
    If such increase occurs, the call option will permit a Fund to purchase
    the securities at the exercise price, or to close out the options at a
    profit. The premium paid for the call option plus any transaction costs
    will reduce the benefit, if any, realized by a Fund upon exercise of the
    option, and, unless the price of the underlying security rises
    sufficiently, the option may expire worthless to a Fund.

    OPTIONS ON STOCK INDICES: A Fund may write (sell) covered call and put
    options and purchase call and put options on stock indices. In contrast to
    an option on a security, an option on a stock index provides the holder
    with the right but not the obligation to make or receive a cash settlement
    upon exercise of the option, rather than the right to purchase or sell a
    security. The amount of this settlement is generally equal to (i) the
    amount, if any, by which the fixed exercise price of the option exceeds
    (in the case of a call) or is below (in the case of a put) the closing
    value of the underlying index on the date of exercise, multiplied by (ii)
    a fixed "index multiplier." A Fund may cover written call options on stock
    indices by owning securities whose price changes, in the opinion of the
    Adviser, are expected to be similar to those of the underlying index, or
    by having an absolute and immediate right to acquire such securities
    without additional cash consideration (or for additional cash
    consideration if a Fund owns liquid and unencumbered assets equal to the
    amount of cash consideration) upon conversion or exchange of other
    securities in its portfolio. Where a Fund covers a call option on a stock
    index through ownership of securities, such securities may not match the
    composition of the index and, in that event, a Fund will not be fully
    covered and could be subject to risk of loss in the event of adverse
    changes in the value of the index. A Fund may also cover call options on
    stock indices by holding a call on the same index and in the same
    principal amount as the call written where the exercise price of the call
    held (a) is equal to or less than the exercise price of the call written
    or (b) is greater than the exercise price of the call written if a Fund
    owns liquid and unencumbered assets equal to the difference. A Fund may
    cover put options on stock indices by owning liquid and unencumbered
    assets with a value equal to the exercise price, or by holding a put on
    the same stock index and in the same principal amount as the put written
    where the exercise price of the put held (a) is equal to or greater than
    the exercise price of the put written or (b) is less than the exercise
    price of the put written if a Fund owns liquid and unencumbered assets
    equal to the difference. Put and call options on stock indices may also be
    covered in such other manner as may be in accordance with the rules of the
    exchange on which, or the counterparty with which, the option is traded
    and applicable laws and regulations.

      A Fund will receive a premium from writing a put or call option, which
    increases a Fund's gross income in the event the option expires
    unexercised or is closed out at a profit. If the value of an index on
    which a Fund has written a call option falls or remains the same, a Fund
    will realize a profit in the form of the premium received (less
    transaction costs) that could offset all or a portion of any decline in
    the value of the securities it owns. If the value of the index rises,
    however, a Fund will realize a loss in its call option position, which
    will reduce the benefit of any unrealized appreciation in a Fund's stock
    investments. By writing a put option, a Fund assumes the risk of a decline
    in the index. To the extent that the price changes of securities owned by
    a Fund correlate with changes in the value of the index, writing covered
    put options on indices will increase a Fund's losses in the event of a
    market decline, although such losses will be offset in part by the premium
    received for writing the option.

      A Fund may also purchase put options on stock indices to hedge its
    investments against a decline in value. By purchasing a put option on a
    stock index, a Fund will seek to offset a decline in the value of
    securities it owns through appreciation of the put option. If the value of
    a Fund's investments does not decline as anticipated, or if the value of
    the option does not increase, a Fund's loss will be limited to the premium
    paid for the option plus related transaction costs. The success of this
    strategy will largely depend on the accuracy of the correlation between
    the changes in value of the index and the changes in value of a Fund's
    security holdings.

      The purchase of call options on stock indices may be used by a Fund to
    attempt to reduce the risk of missing a broad market advance, or an
    advance in an industry or market segment, at a time when a Fund holds
    uninvested cash or short-term debt securities awaiting investment. When
    purchasing call options for this purpose, a Fund will also bear the risk
    of losing all or a portion of the premium paid if the value of the index
    does not rise. The purchase of call options on stock indices when a Fund
    is substantially fully invested is a form of leverage, up to the amount of
    the premium and related transaction costs, and involves risks of loss and
    of increased volatility similar to those involved in purchasing calls on
    securities a Fund owns.

      The index underlying a stock index option may be a "broad-based" index,
    such as the Standard & Poor's 500 Index or the New York Stock Exchange
    Composite Index, the changes in value of which ordinarily will reflect
    movements in the stock market in general. In contrast, certain options may
    be based on narrower market indices, such as the Standard & Poor's 100
    Index, or on indices of securities of particular industry groups, such as
    those of oil and gas or technology companies. A stock index assigns
    relative values to the stocks included in the index and the index
    fluctuates with changes in the market values of the stocks so included.
    The composition of the index is changed periodically.

    RESET OPTIONS:
    In certain instances, a Fund may purchase or write options on U.S.
    Treasury securities which provide for periodic adjustment of the strike
    price and may also provide for the periodic adjustment of the premium
    during the term of each such option. Like other types of options, these
    transactions, which may be referred to as "reset" options or "adjustable
    strike" options grant the purchaser the right to purchase (in the case of
    a call) or sell (in the case of a put), a specified type of U.S. Treasury
    security at any time up to a stated expiration date (or, in certain
    instances, on such date). In contrast to other types of options, however,
    the price at which the underlying security may be purchased or sold under
    a "reset" option is determined at various intervals during the term of the
    option, and such price fluctuates from interval to interval based on
    changes in the market value of the underlying security. As a result, the
    strike price of a "reset" option, at the time of exercise, may be less
    advantageous than if the strike price had been fixed at the initiation of
    the option. In addition, the premium paid for the purchase of the option
    may be determined at the termination, rather than the initiation, of the
    option. If the premium for a reset option written by a Fund is paid at
    termination, a Fund assumes the risk that (i) the premium may be less than
    the premium which would otherwise have been received at the initiation of
    the option because of such factors as the volatility in yield of the
    underlying Treasury security over the term of the option and adjustments
    made to the strike price of the option, and (ii) the option purchaser may
    default on its obligation to pay the premium at the termination of the
    option. Conversely, where a Fund purchases a reset option, it could be
    required to pay a higher premium than would have been the case at the
    initiation of the option.

    "YIELD CURVE" OPTIONS: A Fund may also enter into options on the "spread,"
    or yield differential, between two fixed income securities, in
    transactions referred to as "yield curve" options. In contrast to other
    types of options, a yield curve option is based on the difference between
    the yields of designated securities, rather than the prices of the
    individual securities, and is settled through cash payments. Accordingly,
    a yield curve option is profitable to the holder if this differential
    widens (in the case of a call) or narrows (in the case of a put),
    regardless of whether the yields of the underlying securities increase or
    decrease.

      Yield curve options may be used for the same purposes as other options
    on securities. Specifically, a Fund may purchase or write such options for
    hedging purposes. For example, a Fund may purchase a call option on the
    yield spread between two securities, if it owns one of the securities and
    anticipates purchasing the other security and wants to hedge against an
    adverse change in the yield spread between the two securities. A Fund may
    also purchase or write yield curve options for other than hedging purposes
    (i.e., in an effort to increase its current income) if, in the judgment of
    the Adviser, a Fund will be able to profit from movements in the spread
    between the yields of the underlying securities. The trading of yield
    curve options is subject to all of the risks associated with the trading
    of other types of options. In addition, however, such options present risk
    of loss even if the yield of one of the underlying securities remains
    constant, if the spread moves in a direction or to an extent which was not
    anticipated. Yield curve options written by a Fund will be "covered". A
    call (or put) option is covered if a Fund holds another call (or put)
    option on the spread between the same two securities and owns liquid and
    unencumbered assets sufficient to cover a Fund's net liability under the
    two options. Therefore, a Fund's liability for such a covered option is
    generally limited to the difference between the amount of a Fund's
    liability under the option written by a Fund less the value of the option
    held by a Fund. Yield curve options may also be covered in such other
    manner as may be in accordance with the requirements of the counterparty
    with which the option is traded and applicable laws and regulations. Yield
    curve options are traded over-the-counter and because they have been only
    recently introduced, established trading markets for these securities have
    not yet developed.

    REPURCHASE AGREEMENTS
    A Fund may enter into repurchase agreements with sellers who are member
    firms (or a subsidiary thereof) of the New York Stock Exchange or members
    of the Federal Reserve System, recognized primary U.S. Government
    securities dealers or institutions which the Adviser has determined to be
    of comparable creditworthiness. The securities that a Fund purchases and
    holds through its agent are U.S. Government securities, the values of
    which are equal to or greater than the repurchase price agreed to be paid
    by the seller. The repurchase price may be higher than the purchase price,
    the difference being income to a Fund, or the purchase and repurchase
    prices may be the same, with interest at a standard rate due to a Fund
    together with the repurchase price on repurchase. In either case, the
    income to a Fund is unrelated to the interest rate on the Government
    securities.

      The repurchase agreement provides that in the event the seller fails to
    pay the amount agreed upon on the agreed upon delivery date or upon
    demand, as the case may be, a Fund will have the right to liquidate the
    securities. If at the time a Fund is contractually entitled to exercise
    its right to liquidate the securities, the seller is subject to a
    proceeding under the bankruptcy laws or its assets are otherwise subject
    to a stay order, a Fund's exercise of its right to liquidate the
    securities may be delayed and result in certain losses and costs to a
    Fund. A Fund has adopted and follows procedures which are intended to
    minimize the risks of repurchase agreements. For example, a Fund only
    enters into repurchase agreements after the Adviser has determined that
    the seller is creditworthy, and the Adviser monitors that seller's
    creditworthiness on an ongoing basis. Moreover, under such agreements, the
    value of the securities (which are marked to market every business day) is
    required to be greater than the repurchase price, and a Fund has the right
    to make margin calls at any time if the value of the securities falls
    below the agreed upon collateral.

    RESTRICTED SECURITIES
    A Fund may purchase securities that are not registered under the
    Securities Act of 1933, as amended ("1933 Act") ("restricted securities"),
    including those that can be offered and sold to "qualified institutional
    buyers" under Rule 144A under the 1933 Act ("Rule 144A securities") and
    commercial paper issued under Section 4(2) of the 1933 Act ("4(2) Paper").
    A determination is made, based upon a continuing review of the trading
    markets for the Rule 144A security or 4(2) Paper, whether such security is
    liquid and thus not subject to a Fund's limitation on investing in
    illiquid investments. The Board of Trustees has adopted guidelines and
    delegated to MFS the daily function of determining and monitoring the
    liquidity of Rule 144A securities and 4(2) Paper. The Board, however,
    retains oversight of the liquidity determinations focusing on factors such
    as valuation, liquidity and availability of information. Investing in Rule
    144A securities could have the effect of decreasing the level of liquidity
    in a Fund to the extent that qualified institutional buyers become for a
    time uninterested in purchasing these Rule 144A securities held in a
    Fund's portfolio. Subject to a Fund's limitation on investments in
    illiquid investments, a Fund may also invest in restricted securities that
    may not be sold under Rule 144A, which presents certain risks. As a
    result, a Fund might not be able to sell these securities when the Adviser
    wishes to do so, or might have to sell them at less than fair value. In
    addition, market quotations are less readily available. Therefore,
    judgment may at times play a greater role in valuing these securities than
    in the case of unrestricted securities.

    SHORT SALES
    A Fund may seek to hedge investments or realize additional gains through
    short sales. A Fund may make short sales, which are transactions in which
    a Fund sells a security it does not own, in anticipation of a decline in
    the market value of that security. To complete such a transaction, a Fund
    must borrow the security to make delivery to the buyer. A Fund then is
    obligated to replace the security borrowed by purchasing it at the market
    price at the time of replacement. The price at such time may be more or
    less than the price at which the security was sold by a Fund. Until the
    security is replaced, a Fund is required to repay the lender any dividends
    or interest which accrue during the period of the loan. To borrow the
    security, a Fund also may be required to pay a premium, which would
    increase the cost of the security sold. The net proceeds of the short sale
    will be retained by the broker, to the extent necessary to meet margin
    requirements, until the short position is closed out. A Fund also will
    incur transaction costs in effecting short sales.

      A Fund will incur a loss as a result of the short sale if the price of
    the security increases between the date of the short sale and the date on
    which a Fund replaces the borrowed security. A Fund will realize a gain if
    the price of the security declines between those dates. The amount of any
    gain will be decreased, and the amount of any loss increased, by the
    amount of the premium, dividends or interest a Fund may be required to pay
    in connection with a short sale.

      Whenever a Fund engages in short sales, it identifies liquid and
    unencumbered assets in an amount that, when combined with the amount of
    collateral deposited with the broker connection with the short sale,
    equals the current market value of the security sold short.

    SHORT SALES AGAINST THE BOX
    A Fund may make short sales "against the box," i.e., when a security
    identical to one owned by a Fund is borrowed and sold short. If a Fund
    enters into a short sale against the box, it is required to segregate
    securities equivalent in kind and amount to the securities sold short (or
    securities convertible or exchangeable into such securities) and is
    required to hold such securities while the short sale is outstanding. A
    Fund will incur transaction costs, including interest, in connection with
    opening, maintaining, and closing short sales against the box.

    SHORT TERM INSTRUMENTS
    A Fund may hold cash and invest in cash equivalents, such as short-term
    U.S. Government Securities, commercial paper and bank instruments.

    SWAPS AND RELATED DERIVATIVE INSTRUMENTS
    A Fund may enter into interest rate swaps, currency swaps and other types
    of available swap agreements, including swaps on securities, commodities
    and indices, and related types of derivatives, such as caps, collars and
    floors. A swap is an agreement between two parties pursuant to which each
    party agrees to make one or more payments to the other on regularly
    scheduled dates over a stated term, based on different interest rates,
    currency exchange rates, security or commodity prices, the prices or rates
    of other types of financial instruments or assets or the levels of
    specified indices. Under a typical swap, one party may agree to pay a
    fixed rate or a floating rate determined by reference to a specified
    instrument, rate or index, multiplied in each case by a specified amount
    (the "notional amount"), while the other party agrees to pay an amount
    equal to a different floating rate multiplied by the same notional amount.
    On each payment date, the obligations of parties are netted, with only the
    net amount paid by one party to the other. All swap agreements entered
    into by a Fund with the same counterparty are generally governed by a
    single master agreement, which provides for the netting of all amounts
    owed by the parties under the agreement upon the occurrence of an event of
    default, thereby reducing the credit risk to which such party is exposed.

      Swap agreements are typically individually negotiated and structured to
    provide exposure to a variety of different types of investments or market
    factors. Swap agreements may be entered into for hedging or non-hedging
    purposes and therefore may increase or decrease a Fund's exposure to the
    underlying instrument, rate, asset or index. Swap agreements can take many
    different forms and are known by a variety of names. A Fund is not limited
    to any particular form or variety of swap agreement if the Adviser
    determines it is consistent with a Fund's investment objective and
    policies.

      For example, a Fund may enter into an interest rate swap in order to
    protect against declines in the value of fixed income securities held by a
    Fund. In such an instance, a Fund would agree with a counterparty to pay a
    fixed rate (multiplied by a notional amount) and the counterparty would
    agree to pay a floating rate multiplied by the same notional amount. If
    interest rates rise, resulting in a diminution in the value of a Fund's
    portfolio, a Fund would receive payments under the swap that would offset,
    in whole or part, such diminution in value. A Fund may also enter into
    swaps to modify its exposure to particular markets or instruments, such as
    a currency swap between the U.S. dollar and another currency which would
    have the effect of increasing or decreasing a Fund's exposure to each such
    currency. A Fund might also enter into a swap on a particular security, or
    a basket or index of securities, in order to gain exposure to the
    underlying security or securities, as an alternative to purchasing such
    securities. Such transactions could be more efficient or less costly in
    certain instances than an actual purchase or sale of the securities.

      A Fund may enter into other related types of over-the-counter
    derivatives, such as "caps", "floors", "collars" and options on swaps, or
    "swaptions", for the same types of hedging or non-hedging purposes. Caps
    and floors are similar to swaps, except that one party pays a fee at the
    time the transaction is entered into and has no further payment
    obligations, while the other party is obligated to pay an amount equal to
    the amount by which a specified fixed or floating rate exceeds or is below
    another rate (multiplied by a notional amount). Caps and floors,
    therefore, are also similar to options. A collar is in effect a
    combination of a cap and a floor, with payments made only within or
    outside a specified range of prices or rates. A swaption is an option to
    enter into a swap agreement. Like other types of options, the buyer of a
    swaption pays a non-refundable premium for the option and obtains the
    right, but not the obligation, to enter into the underlying swap on the
    agreed-upon terms.

      A Fund will maintain liquid and unencumbered assets to cover its current
    obligations under swap and other over-the-counter derivative transactions.
    If a Fund enters into a swap agreement on a net basis (i.e., the two
    payment streams are netted out, with a Fund receiving or paying, as the
    case may be, only the net amount of the two payments), a Fund will
    maintain liquid and unencumbered assets with a daily value at least equal
    to the excess, if any, of a Fund's accrued obligations under the swap
    agreement over the accrued amount a Fund is entitled to receive under the
    agreement. If a Fund enters into a swap agreement on other than a net
    basis, it will maintain liquid and unencumbered assets with a value equal
    to the full amount of a Fund's accrued obligations under the agreement.

      The most significant factor in the performance of swaps, caps, floors
    and collars is the change in the underlying price, rate or index level
    that determines the amount of payments to be made under the arrangement.
    If the Adviser is incorrect in its forecasts of such factors, the
    investment performance of a Fund would be less than what it would have
    been if these investment techniques had not been used. If a swap agreement
    calls for payments by a Fund, a Fund must be prepared to make such
    payments when due. In addition, if the counterparty's creditworthiness
    would decline, the value of the swap agreement would be likely to decline,
    potentially resulting in losses.

      If the counterparty defaults, a Fund's risk of loss consists of the net
    amount of payments that a Fund is contractually entitled to receive. A
    Fund anticipates that it will be able to eliminate or reduce its exposure
    under these arrangements by assignment or other disposition or by entering
    into an offsetting agreement with the same or another counterparty, but
    there can be no assurance that it will be able to do so.

      The uses by a Fund of swaps and related derivative instruments also
    involves the risks described under the caption "Special Risk Factors --
    Options, Futures, Forwards, Swaps and Other Derivative Transactions" in
    this Appendix.

    TEMPORARY BORROWINGS
    A Fund may borrow money for temporary purposes (e.g., to meet redemption
    requests or settle outstanding purchases of portfolio securities).

    TEMPORARY DEFENSIVE POSITIONS
    During periods of unusual market conditions when the Adviser believes that
    investing for temporary defensive purposes is appropriate, or in order to
    meet anticipated redemption requests, a large portion or all of the assets
    of a Fund may be invested in cash (including foreign currency) or cash
    equivalents, including, but not limited to, obligations of banks
    (including certificates of deposit, bankers' acceptances, time deposits
    and repurchase agreements), commercial paper, short-term notes, U.S.
    Government Securities and related repurchase agreements.

    WARRANTS
    A Fund may invest in warrants. Warrants are securities that give a Fund
    the right to purchase equity securities from the issuer at a specific
    price (the "strike price") for a limited period of time. The strike price
    of warrants typically is much lower than the current market price of the
    underlying securities, yet they are subject to similar price fluctuations.
    As a result, warrants may be more volatile investments than the underlying
    securities and may offer greater potential for capital appreciation as
    well as capital loss. Warrants do not entitle a holder to dividends or
    voting rights with respect to the underlying securities and do not
    represent any rights in the assets of the issuing company. Also, the value
    of the warrant does not necessarily change with the value of the
    underlying securities and a warrant ceases to have value if it is not
    exercised prior to the expiration date. These factors can make warrants
    more speculative than other types of investments.

    "WHEN-ISSUED" SECURITIES
    A Fund may purchase securities on a "when-issued" or on a "forward
    delivery" basis which means that the securities will be delivered to a
    Fund at a future date usually beyond customary settlement time. The
    commitment to purchase a security for which payment will be made on a
    future date may be deemed a separate security. In general, a Fund does not
    pay for such securities until received, and does not start earning
    interest on the securities until the contractual settlement date. While
    awaiting delivery of securities purchased on such bases, a Fund will
    identify liquid and unencumbered assets equal to its forward delivery
    commitment.

    SPECIAL RISK FACTORS -- OPTIONS, FUTURES, FORWARDS, SWAPS AND OTHER
    DERIVATIVE TRANSACTIONS

    RISK OF IMPERFECT CORRELATION OF HEDGING INSTRUMENTS WITH A FUND'S
    PORTFOLIO: A Fund's ability effectively to hedge all or a portion of its
    portfolio through transactions in derivatives, including options, Futures
    Contracts, Options on Futures Contracts, Forward Contracts, swaps and
    other types of derivatives depends on the degree to which price movements
    in the underlying index or instrument correlate with price movements in
    the relevant portion of a Fund's portfolio. In the case of derivative
    instruments based on an index, the portfolio will not duplicate the
    components of the index, and in the case of derivative instruments on
    fixed income securities, the portfolio securities which are being hedged
    may not be the same type of obligation underlying such derivatives. The
    use of derivatives for "cross hedging" purposes (such as a transaction in
    a Forward Contract on one currency to hedge exposure to a different
    currency) may involve greater correlation risks. Consequently, a Fund
    bears the risk that the price of the portfolio securities being hedged
    will not move in the same amount or direction as the underlying index or
    obligation.

      If a Fund purchases a put option on an index and the index decreases
    less than the value of the hedged securities, a Fund would experience a
    loss which is not completely offset by the put option. It is also possible
    that there may be a negative correlation between the index or obligation
    underlying an option or Futures Contract in which a Fund has a position
    and the portfolio securities a Fund is attempting to hedge, which could
    result in a loss on both the portfolio and the hedging instrument. It
    should be noted that stock index futures contracts or options based upon a
    narrower index of securities, such as those of a particular industry
    group, may present greater risk than options or futures based on a broad
    market index. This is due to the fact that a narrower index is more
    susceptible to rapid and extreme fluctuations as a result of changes in
    the value of a small number of securities. Nevertheless, where a Fund
    enters into transactions in options or futures on narrowly-based indices
    for hedging purposes, movements in the value of the index should, if the
    hedge is successful, correlate closely with the portion of a Fund's
    portfolio or the intended acquisitions being hedged.

      The trading of derivatives for hedging purposes entails the additional
    risk of imperfect correlation between movements in the price of the
    derivative and the price of the underlying index or obligation. The
    anticipated spread between the prices may be distorted due to the
    differences in the nature of the markets such as differences in margin
    requirements, the liquidity of such markets and the participation of
    speculators in the derivatives markets. In this regard, trading by
    speculators in derivatives has in the past occasionally resulted in market
    distortions, which may be difficult or impossible to predict, particularly
    near the expiration of such instruments.

      The trading of Options on Futures Contracts also entails the risk that
    changes in the value of the underlying Futures Contracts will not be fully
    reflected in the value of the option. The risk of imperfect correlation,
    however, generally tends to diminish as the maturity date of the Futures
    Contract or expiration date of the option approaches.

      Further, with respect to options on securities, options on stock
    indices, options on currencies and Options on Futures Contracts, a Fund is
    subject to the risk of market movements between the time that the option
    is exercised and the time of performance thereunder. This could increase
    the extent of any loss suffered by a Fund in connection with such
    transactions.

      In writing a covered call option on a security, index or futures
    contract, a Fund also incurs the risk that changes in the value of the
    instruments used to cover the position will not correlate closely with
    changes in the value of the option or underlying index or instrument. For
    example, where a Fund covers a call option written on a stock index
    through segregation of securities, such securities may not match the
    composition of the index, and a Fund may not be fully covered. As a
    result, a Fund could be subject to risk of loss in the event of adverse
    market movements.

      The writing of options on securities, options on stock indices or
    Options on Futures Contracts constitutes only a partial hedge against
    fluctuations in the value of a Fund's portfolio. When a Fund writes an
    option, it will receive premium income in return for the holder's purchase
    of the right to acquire or dispose of the underlying obligation. In the
    event that the price of such obligation does not rise sufficiently above
    the exercise price of the option, in the case of a call, or fall below the
    exercise price, in the case of a put, the option will not be exercised and
    a Fund will retain the amount of the premium, less related transaction
    costs, which will constitute a partial hedge against any decline that may
    have occurred in a Fund's portfolio holdings or any increase in the cost
    of the instruments to be acquired.

      Where the price of the underlying obligation moves sufficiently in favor
    of the holder to warrant exercise of the option, however, and the option
    is exercised, a Fund will incur a loss which may only be partially offset
    by the amount of the premium it received. Moreover, by writing an option,
    a Fund may be required to forego the benefits which might otherwise have
    been obtained from an increase in the value of portfolio securities or
    other assets or a decline in the value of securities or assets to be
    acquired. In the event of the occurrence of any of the foregoing adverse
    market events, a Fund's overall return may be lower than if it had not
    engaged in the hedging transactions. Furthermore, the cost of using these
    techniques may make it economically infeasible for a Fund to engage in
    such transactions.

    RISKS OF NON-HEDGING TRANSACTIONS: A Fund may enter transactions in
    derivatives for non-hedging purposes as well as hedging purposes.
    Non-hedging transactions in such instruments involve greater risks and may
    result in losses which may not be offset by increases in the value of
    portfolio securities or declines in the cost of securities to be acquired. A
    Fund will only write covered options, such that liquid and unencumbered
    assets necessary to satisfy an option exercise will be identified, unless
    the option is covered in such other manner as may be in accordance with the
    rules of the exchange on which, or the counterparty with which, the option
    is traded and applicable laws and regulations. Nevertheless, the method of
    covering an option employed by a Fund may not fully protect it against risk
    of loss and, in any event, a Fund could suffer losses on the option position
    which might not be offset by corresponding portfolio gains. A Fund may also
    enter into futures, Forward Contracts or swaps for non-hedging purposes. For
    example, a Fund may enter into such a transaction as an alternative to
    purchasing or selling the underlying instrument or to obtain desired
    exposure to an index or market. In such instances, a Fund will be exposed to
    the same economic risks incurred in purchasing or selling the underlying
    instrument or instruments. However, transactions in futures, Forward
    Contracts or swaps may be leveraged, which could expose a Fund to greater
    risk of loss than such purchases or sales. Entering into transactions in
    derivatives for other than hedging purposes, therefore, could expose a Fund
    to significant risk of loss if the prices, rates or values of the underlying
    instruments or indices do not move in the direction or to the extent
    anticipated.

      With respect to the writing of straddles on securities, a Fund incurs
    the risk that the price of the underlying security will not remain stable,
    that one of the options written will be exercised and that the resulting
    loss will not be offset by the amount of the premiums received. Such
    transactions, therefore, create an opportunity for increased return by
    providing a Fund with two simultaneous premiums on the same security, but
    involve additional risk, since a Fund may have an option exercised against
    it regardless of whether the price of the security increases or decreases.

    RISK OF A POTENTIAL LACK OF A LIQUID SECONDARY MARKET: Prior to exercise
    or expiration, a futures or option position can only be terminated by
    entering into a closing purchase or sale transaction. This requires a
    secondary market for such instruments on the exchange on which the initial
    transaction was entered into. While a Fund will enter into options or
    futures positions only if there appears to be a liquid secondary market
    therefor, there can be no assurance that such a market will exist for any
    particular contract at any specific time. In that event, it may not be
    possible to close out a position held by a Fund, and a Fund could be
    required to purchase or sell the instrument underlying an option, make or
    receive a cash settlement or meet ongoing variation margin requirements.
    Under such circumstances, if a Fund has insufficient cash available to
    meet margin requirements, it will be necessary to liquidate portfolio
    securities or other assets at a time when it is disadvantageous to do so.
    The inability to close out options and futures positions, therefore, could
    have an adverse impact on a Fund's ability effectively to hedge its
    portfolio, and could result in trading losses.

      The liquidity of a secondary market in a Futures Contract or option
    thereon may be adversely affected by "daily price fluctuation limits,"
    established by exchanges, which limit the amount of fluctuation in the
    price of a contract during a single trading day. Once the daily limit has
    been reached in the contract, no trades may be entered into at a price
    beyond the limit, thus preventing the liquidation of open futures or
    option positions and requiring traders to make additional margin deposits.
    Prices have in the past moved to the daily limit on a number of
    consecutive trading days.

      The trading of Futures Contracts and options is also subject to the risk
    of trading halts, suspensions, exchange or clearinghouse equipment
    failures, government intervention, insolvency of a brokerage firm or
    clearinghouse or other disruptions of normal trading activity, which could
    at times make it difficult or impossible to liquidate existing positions
    or to recover excess variation margin payments.

    MARGIN: Because of low initial margin deposits made upon the establishment
    of a futures, forward or swap position (certain of which may require no
    initial margin deposits) and the writing of an option, such transactions
    involve substantial leverage. As a result, relatively small movements in
    the price of the contract can result in substantial unrealized gains or
    losses. Where a Fund enters into such transactions for hedging purposes,
    any losses incurred in connection therewith should, if the hedging
    strategy is successful, be offset, in whole or in part, by increases in
    the value of securities or other assets held by a Fund or decreases in the
    prices of securities or other assets a Fund intends to acquire. Where a
    Fund enters into such transactions for other than hedging purposes, the
    margin requirements associated with such transactions could expose a Fund
    to greater risk.

    POTENTIAL BANKRUPTCY OF A CLEARINGHOUSE OR BROKER: When a Fund enters into
    transactions in exchange-traded futures or options, it is exposed to the
    risk of the potential bankruptcy of the relevant exchange clearinghouse or
    the broker through which a Fund has effected the transaction. In that
    event, a Fund might not be able to recover amounts deposited as margin, or
    amounts owed to a Fund in connection with its transactions, for an
    indefinite period of time, and could sustain losses of a portion or all of
    such amounts. Moreover, the performance guarantee of an exchange
    clearinghouse generally extends only to its members and a Fund could
    sustain losses, notwithstanding such guarantee, in the event of the
    bankruptcy of its broker.

    TRADING AND POSITION LIMITS: The exchanges on which futures and options
    are traded may impose limitations governing the maximum number of
    positions on the same side of the market and involving the same underlying
    instrument which may be held by a single investor, whether acting alone or
    in concert with others (regardless of whether such contracts are held on
    the same or different exchanges or held or written in one or more accounts
    or through one or more brokers). Further, the CFTC and the various
    contract markets have established limits referred to as "speculative
    position limits" on the maximum net long or net short position which any
    person may hold or control in a particular futures or option contract. An
    exchange may order the liquidation of positions found to be in violation
    of these limits and it may impose other sanctions or restrictions. The
    Adviser does not believe that these trading and position limits will have
    any adverse impact on the strategies for hedging the portfolios of a Fund.

    RISKS OF OPTIONS ON FUTURES CONTRACTS: The amount of risk a Fund assumes
    when it purchases an Option on a Futures Contract is the premium paid for
    the option, plus related transaction costs. In order to profit from an
    option purchased, however, it may be necessary to exercise the option and
    to liquidate the underlying Futures Contract, subject to the risks of the
    availability of a liquid offset market described herein. The writer of an
    Option on a Futures Contract is subject to the risks of commodity futures
    trading, including the requirement of initial and variation margin
    payments, as well as the additional risk that movements in the price of
    the option may not correlate with movements in the price of the underlying
    security, index, currency or Futures Contract.

    RISKS OF TRANSACTIONS IN FOREIGN CURRENCIES AND OVER-THE-COUNTER
    DERIVATIVES AND OTHER TRANSACTIONS NOT CONDUCTED ON U.S. EXCHANGES:
    Transactions in Forward Contracts on foreign currencies, as well as
    futures and options on foreign currencies and transactions executed on
    foreign exchanges, are subject to all of the correlation, liquidity and
    other risks outlined above. In addition, however, such transactions are
    subject to the risk of governmental actions affecting trading in or the
    prices of currencies underlying such contracts, which could restrict or
    eliminate trading and could have a substantial adverse effect on the value
    of positions held by a Fund. Further, the value of such positions could be
    adversely affected by a number of other complex political and economic
    factors applicable to the countries issuing the underlying currencies.

      Further, unlike trading in most other types of instruments, there is no
    systematic reporting of last sale information with respect to the foreign
    currencies underlying contracts thereon. As a result, the available
    information on which trading systems will be based may not be as complete
    as the comparable data on which a Fund makes investment and trading
    decisions in connection with other transactions. Moreover, because the
    foreign currency market is a global, 24-hour market, events could occur in
    that market which will not be reflected in the forward, futures or options
    market until the following day, thereby making it more difficult for a
    Fund to respond to such events in a timely manner.

      Settlements of exercises of over-the-counter Forward Contracts or
    foreign currency options generally must occur within the country issuing
    the underlying currency, which in turn requires traders to accept or make
    delivery of such currencies in conformity with any U.S. or foreign
    restrictions and regulations regarding the maintenance of foreign banking
    relationships, fees, taxes or other charges.

      Unlike transactions entered into by a Fund in Futures Contracts and
    exchange-traded options, options on foreign currencies, Forward Contracts,
    over-the-counter options on securities, swaps and other over-the-counter
    derivatives are not traded on contract markets regulated by the CFTC or
    (with the exception of certain foreign currency options) the SEC. To the
    contrary, such instruments are traded through financial institutions
    acting as market-makers, although foreign currency options are also traded
    on certain national securities exchanges, such as the Philadelphia Stock
    Exchange and the Chicago Board Options Exchange, subject to SEC
    regulation. In an over-the-counter trading environment, many of the
    protections afforded to exchange participants will not be available. For
    example, there are no daily price fluctuation limits, and adverse market
    movements could therefore continue to an unlimited extent over a period of
    time. Although the purchaser of an option cannot lose more than the amount
    of the premium plus related transaction costs, this entire amount could be
    lost. Moreover, the option writer and a trader of Forward Contracts could
    lose amounts substantially in excess of their initial investments, due to
    the margin and collateral requirements associated with such positions.

      In addition, over-the-counter transactions can only be entered into with
    a financial institution willing to take the opposite side, as principal,
    of a Fund's position unless the institution acts as broker and is able to
    find another counterparty willing to enter into the transaction with a
    Fund. Where no such counterparty is available, it will not be possible to
    enter into a desired transaction. There also may be no liquid secondary
    market in the trading of over-the-counter contracts, and a Fund could be
    required to retain options purchased or written, or Forward Contracts or
    swaps entered into, until exercise, expiration or maturity. This in turn
    could limit a Fund's ability to profit from open positions or to reduce
    losses experienced, and could result in greater losses.

      Further, over-the-counter transactions are not subject to the guarantee
    of an exchange clearinghouse, and a Fund will therefore be subject to the
    risk of default by, or the bankruptcy of, the financial institution
    serving as its counterparty. One or more of such institutions also may
    decide to discontinue their role as market-makers in a particular currency
    or security, thereby restricting a Fund's ability to enter into desired
    hedging transactions. A Fund will enter into an over-the-counter
    transaction only with parties whose creditworthiness has been reviewed and
    found satisfactory by the Adviser.

      Options on securities, options on stock indices, Futures Contracts,
    Options on Futures Contracts and options on foreign currencies may be
    traded on exchanges located in foreign countries. Such transactions may
    not be conducted in the same manner as those entered into on U.S.
    exchanges, and may be subject to different margin, exercise, settlement or
    expiration procedures. As a result, many of the risks of over-the-counter
    trading may be present in connection with such transactions.

      Options on foreign currencies traded on national securities exchanges
    are within the jurisdiction of the SEC, as are other securities traded on
    such exchanges. As a result, many of the protections provided to traders
    on organized exchanges will be available with respect to such
    transactions. In particular, all foreign currency option positions entered
    into on a national securities exchange are cleared and guaranteed by the
    Options Clearing Corporation (the "OCC"), thereby reducing the risk of
    counterparty default. Further, a liquid secondary market in options traded
    on a national securities exchange may be more readily available than in
    the over-the-counter market, potentially permitting a Fund to liquidate
    open positions at a profit prior to exercise or expiration, or to limit
    losses in the event of adverse market movements.

      The purchase and sale of exchange-traded foreign currency options,
    however, is subject to the risks of the availability of a liquid secondary
    market described above, as well as the risks regarding adverse market
    movements, margining of options written, the nature of the foreign currency
    market, possible intervention by governmental authorities and the effects of
    other political and economic events. In addition, exchange-traded options on
    foreign currencies involve certain risks not presented by the
    over-the-counter market. For example, exercise and settlement of such
    options must be made exclusively through the OCC, which has established
    banking relationships in applicable foreign countries for this purpose. As a
    result, the OCC may, if it determines that foreign governmental restrictions
    or taxes would prevent the orderly settlement of foreign currency option
    exercises, or would result in undue burdens on the OCC or its clearing
    member, impose special procedures on exercise and settlement, such as
    technical changes in the mechanics of delivery of currency, the fixing of
    dollar settlement prices or prohibitions on exercise.

    POLICIES ON THE USE OF FUTURES AND OPTIONS ON FUTURES CONTRACTS: In order
    to assure that a Fund will not be deemed to be a "commodity pool" for
    purposes of the Commodity Exchange Act, regulations of the CFTC require that
    a Fund enter into transactions in Futures Contracts, Options on Futures
    Contracts and Options on Foreign Currencies traded on a CFTC-regulated
    exchange only (i) for bona fide hedging purposes (as defined in CFTC
    regulations), or (ii) for non-bona fide hedging purposes, provided that the
    aggregate initial margin and premiums required to establish such non-bona
    fide hedging positions does not exceed 5% of the liquidation value of a
    Fund's assets, after taking into account unrealized profits and unrealized
    losses on any such contracts a Fund has entered into, and excluding, in
    computing such 5%, the in-the-money amount with respect to an option that is
    in-the-money at the time of purchase.

<PAGE>

----------
APPENDIX B
----------

                           DESCRIPTION OF BOND RATINGS


    The ratings of Moody's, Standard & Poor's, Fitch and Duff & Phelps
    represent their opinions as to the quality of various debt instruments. It
    should be emphasized, however, that ratings are not absolute standards of
    quality. Consequently, debt instruments with the same maturity, coupon and
    rating may have different yields while debt instruments of the same
    maturity and coupon with different ratings may have the same yield.


                         MOODY'S INVESTORS SERVICE, INC.

    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 edged." 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 risk appear
    somewhat larger than the Aaa securities.

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

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

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

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

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

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

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

                        STANDARD & POOR'S RATINGS SERVICES

    AAA: An obligation rated AAA has the highest rating assigned by Standard &
    Poor's. The obligor's capacity to meet its financial commitment on the
    obligation is EXTREMELY STRONG.

    AA: An obligation rated AA differs from the highest rated obligations only
    in small degree. The obligor's capacity to meet its financial commitment
    on the obligation is VERY STRONG.

    A: An obligation rated A is somewhat more susceptible to the adverse
    effects of changes in circumstances and economic conditions than
    obligations in higher rated categories. However, the obligor's capacity to
    meet its financial commitment on the obligation is still STRONG.

    BBB: An obligation rated BBB exhibits ADEQUATE protection parameters.
    However, adverse economic conditions or changing circumstances are more
    likely to lead to a weakened capacity of the obligor to meet its financial
    commitment on the obligation.

    Obligations rated BB, B, CCC, CC, and C are regarded as having significant
    speculative characteristics. BB indicates the least degree of speculation
    and C the highest. While such obligations will likely have some quality
    and protective characteristics, these may be outweighed by large
    uncertainties or major exposures to adverse conditions.

    BB: An obligation rated BB is LESS VULNERABLE to nonpayment than other
    speculative issues. However, it faces major ongoing uncertainties or
    exposure to adverse business, financial, or economic conditions which
    could lead to the obligor's inadequate capacity to meet its financial
    commitment on the obligation.

    B: An obligation rated B is MORE VULNERABLE to nonpayment than obligations
    rated BB, but the obligor currently has the capacity to meet its financial
    commitment on the obligation. Adverse business, financial, or economic
    conditions will likely impair the obligor's capacity or willingness to
    meet its financial commitment on the obligation.

    CCC: An obligation rated CCC is CURRENTLY VULNERABLE to nonpayment, and is
    dependent upon favorable business, financial, and economic conditions for
    the obligor to meet its financial commitment on the obligation. In the
    event of adverse business, financial, or economic conditions the obligor
    is not likely to have the capacity to meet its financial commitment on the
    obligation.

    CC: An obligation rated CC is CURRENTLY HIGHLY VULNERABLE to nonpayment.

    C: Subordinated debt or preferred stock obligation rated C is currently
    highly vulnerable to nonpayment. The C rating may be used to cover a
    situation where a bankruptcy petition has been filed or similar action has
    been taken, but payments on this obligation are being continued. A C
    rating will also be assigned to a preferred stock issue in arrears on
    dividends or sinking fund  payments, but that is currently paying.

    D: An obligation rated D is in payment default. The D rating category is
    used when payments on an obligation are not made on the date due even if
    the applicable grace period has not expired, unless Standard & Poor's
    believes that such payments will be made during such grace period. The D
    rating also will be used upon the filing of a bankruptcy petition or the
    taking of a similar action if payments on an obligation are jeopardized.

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

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

                                    FITCH IBCA

    AAA: Highest credit quality. AAA ratings denote the lowest expectation of
    credit risk. They are assigned only in case of exceptionally strong
    capacity for timely payment of financial commitments. This capacity is
    highly unlikely to be adversely affected by foreseeable events.

    AA: Very high credit quality. AA ratings denote a very low expectation of
    credit risk. They indicate very strong capacity for timely payment of
    financial commitments. This capacity is not significantly vulnerable to
    foreseeable events.

    A: High credit quality. A ratings denote a low expectation of credit risk.
    The capacity for timely payment of financial commitments is considered
    strong. This capacity may, nevertheless, be more vulnerable to changes in
    circumstances or in economic conditions than is the case for higher
    ratings.

    BBB: Good credit quality. BBB ratings indicate that there is currently a
    low expectation of credit risk. The capacity for timely payment of
    financial commitments is considered adequate, but adverse changes in
    circumstances and in economic conditions are more likely to impair this
    capacity. This is the lowest investment-grade category.

    Speculative Grade

    BB: Speculative. BB ratings indicate that there is a possibility of credit
    risk developing, particularly as the result of adverse economic change
    over time; however, business or financial alternatives may be available to
    allow financial commitments to be met. Securities rated in this category
    are not investment grade.

    B: Highly speculative. B ratings indicate that significant credit risk is
    present, but a limited margin of safety remains. Financial commitments are
    currently being met; however, capacity for continued payment is contingent
    upon a sustained, favorable business and economic environment.

    CCC, CC, C: High default risk. Default is a real possibility. Capacity for
    meeting financial commitments is solely reliant upon sustained, favorable
    business or economic developments. A CC rating indicates that default of
    some kind appears probable. C ratings signal imminent default.

    DDD, DD, D: Default. The ratings of obligations in this category are based
    on their prospects for achieving partial or full recovery in a
    reorganization or liquidation of the obligor. While expected recovery
    values are highly speculative and cannot be estimated with any precision,
    the following serve as general guidelines. DDD obligations have the
    highest potential for recovery around 90% -- 100% of outstanding amounts
    and accrued interest. For U.S. corporates, for example, DD indicates
    expected recoveries of 50% -- 90%, and D the lowest recovery potential,
    i.e. below 50%.

                         DUFF & PHELPS CREDIT RATING CO.

    AAA: Highest credit quality. The risk factors are negligible, being only
    slightly more than for risk-free U.S. Treasury debt.

    AA+, AA, AA-: High credit quality. Protection factors are strong. Risk is
    modest but may vary slightly from time to time because of economic
    conditions.

    A+, A, A-: Protection factors are average but adequate. However, risk
    factors are more variable and greater in periods of economic stress.

    BBB+, BBB, BBB-: Below-average protection factors but still considered
    sufficient for prudent investment. Considerable variability in risk during
    economic cycles.

    BB+, BB, BB-: Below investment grade but deemed likely to meet obligations
    when due. Present or prospective financial protection factors fluctuate
    according to industry conditions or company fortunes. Overall quality may
    move up or down frequently within this category.

    B+, B, B-: Below investment grade and possessing risk that obligations
    will not be met when due. Financial protection factors will fluctuate
    widely according to economic cycles, industry conditions and/or company
    fortunes. Potential exists for frequent changes in the rating within this
    category or into a higher or lower rating grade.

    CCC: Well below investment grade securities. Considerable uncertainty
    exists as to timely payment of principal, interest or preferred dividends.
    Protection factors are narrow and risk can be substantial with unfavorable
    economic/industry conditions, and/or with unfavorable company
    developments.

    DD: Defaulted debt obligations. Issuer failed to meet scheduled principal
    and/or interest payments.

    DP: Preferred stock with dividend arrearages.

<PAGE>

----------
APPENDIX C
----------

All performance quotations are as of June 30, 2000.

<TABLE>
<CAPTION>
                                                                                    ACTUAL
                                                                                    30-DAY          30-DAY
                                         AVERAGE ANNUAL TOTAL RETURNS               YIELD           YIELD          CURRENT
                                ----------------------------------------------    (INCLUDING       (WITHOUT      DISTRIBUTION
                                    1 YEAR         5 YEARS      LIFE OF FUND*    ANY WAIVERS)    ANY WAIVERS)       RATE+
                                  ----------      ----------     ------------    ------------    ------------    ------------

    <S>                            <C>               <C>            <C>              <C>            <C>              <C>
    Shares, at net asset value
        Global Fund                  1.97%           3.32%           4.58%           4.70%           4.22%           2.34%
        High Yield Fund              0.55%           N/A             2.64%           9.33%           6.60%           9.19%
        Core Equity Fund             5.04%           N/A             8.12%           N/A             N/A             N/A
        Research Fund               21.67%           N/A            20.30%           N/A             N/A             N/A
        Large Cap Fund               N/A             N/A           (1.20)%           N/A             N/A             N/A
        Mid Cap Fund                80.56%           N/A            32.68%           N/A             N/A             N/A
        Emerging Equities Fund      54.04%          27.25%          28.09%           N/A             N/A             N/A
        International Equity Fund   31.38%           N/A            16.52%           N/A             N/A             N/A

        ----------------
        *From the commencement of the Fund's investment operations on:

    Global Fund                             September 30, 1992
    High Yield Fund                         December 31, 1998
    Core Equity Fund                        December 31, 1998
    Research Fund                           May 20, 1996
    Large Cap Fund                          February 22, 2000
    Mid Cap Fund                            December 28, 1995
    Emerging Equities Fund                  June 16, 1993
    International Equity Fund               January 30, 1996

</TABLE>

    + Annualized, based upon the last distribution.
<PAGE>

INVESTMENT ADVISER
Massachusetts Financial Services Company
500 Boylston Street, Boston, MA 02116
(617) 954-5000
(800) 637-2262

DISTRIBUTOR
MFS Fund Distributors, Inc.
500 Boylston Street, Boston, MA 02116
(617) 954-5000

CUSTODIAN AND DIVIDEND DISBURSING AGENT
State Street Bank and Trust Company
225 Franklin Street, Boston, MA 02110

SHAREHOLDER SERVICING AGENT
MFS Service Center, Inc.
2 Avenue de Lafayette, Boston, MA 02111-1738
Toll free: (800) 637-2262

MAILING ADDRESS:
P.O. Box 1400, Boston, MA 02104-9985

INDEPENDENT AUDITORS
Deloitte & Touche LLP
125 Summer Street, Boston MA 02110



MFS(R) INSTITUTIONAL TRUST

500 BOYLSTON STREET
BOSTON, MA 02116

[Logo] M F S(R)
INVESTMENT MANAGEMENT
We invented the mutual fund(R)
<PAGE>

                             MFS INSTITUTIONAL TRUST


                 MFS(R) INSTITUTIONAL GLOBAL FIXED INCOME FUND
                        MFS INSTITUTIONAL HIGH YIELD FUND
                       MFS INSTITUTIONAL CORE EQUITY FUND
                       MFS(R) INSTITUTIONAL RESEARCH FUND
                   MFS INSTITUTIONAL LARGE CAP GROWTH FUND
                    MFS(R) INSTITUTIONAL MID CAP GROWTH FUND
                   MFS INSTITUTIONAL EMERGING EQUITIES FUND
                 MFS INSTITUTIONAL INTERNATIONAL EQUITY FUND

                                     PART C

ITEM 23.    EXHIBITS

                  1 (a) Declaration of Trust, dated September 13, 1990.  (1)

                    (b) Certificate of Amendment to Declaration of Trust,
                        dated June 1, 1992.  (1)

                    (c) Amendment No. 2 to the Declaration of Trust, dated
                        August 13, 1992.  (1)

                    (d) Amendment to Declaration of Trust - Designation of
                        Series, dated May 16, 1995. (1)

                    (e) Amendment to Declaration of Trust - Designation of
                        Series, dated August 29, 1995. (2)

                    (f) Amendment to Declaration of Trust - Redesignation of
                        Series, dated October 31, 1995. (7)

                    (g) Amendment to Declaration of Trust - Redesignation of
                        Series, dated November 28, 1995. (7)

                    (h) Amendment to Declaration of Trust - Redesignation of
                        Series, dated April 24, 1996. (8)

                    (i) Amendment to the Declaration of Trust - Redesignation
                        of Shares.  (11)

                    (j) Amendment to the Declaration of Trust - Establishment
                        and Designation of Series, dated July 31, 1998. (12)

                    (k) Amendment to Declaration of Trust - Redesignation of
                        Series, dated October 30, 1998. (12)


                    (l) Amendment to Amended and Restated Declaration of Trust
                        to terminate the MFS Institutional Core Fixed Income
                        Fund and the MFS Institutional Emerging Markets Debt
                        Fund, dated October 3, 2000. (9)

                    (m) Form of Amendment to the Declaration of Trust
                        Establishment and Designation of Series. (9)


                  2 (a) Amended and Restated By-Laws, dated June 1, 1992.  (5)

                    (b) Amendment No. 1 to Amended and Restated By-Laws,
                        dated October 14, 1993. (5)

                  3     Form of Share Certificate.  (4)

                  4 (a) Investment Advisory Agreement between MFS Emerging
                        Equities Fund and Massachusetts Financial Services
                        Company, as adviser, dated August 7, 1992. (5)

                    (b) Investment Advisory Agreement between MFS Worldwide
                        Fixed Income Fund and Massachusetts Financial Services
                        Company, as adviser, dated August 7, 1992.
                        (5)

                    (c) Investment Advisory Agreement between the Registrant, on
                        behalf of MFS Institutional Emerging Markets Fixed
                        Income Fund, and Massachusetts Financial Services
                        Company, as adviser, dated June 26, 1995. (1)

                    (d) Investment Advisory Agreement between the Registrant, on
                        behalf of MFS Institutional Core Plus Fixed Income Fund,
                        and Massachusetts Financial Services Company, as
                        adviser, dated November 30, 1995. (7)

                    (e) Investment Advisory Agreement between the Registrant, on
                        behalf of MFS Institutional Research Fund, and
                        Massachusetts Financial Services Company, as adviser,
                        dated November 30, 1995. (7)

                    (f) Investment Advisory Agreement between the Registrant, on
                        behalf of MFS Institutional Mid-Cap Growth Equity Fund,
                        and Massachusetts Financial Services Company, as
                        adviser, dated November 30, 1995. (7)

                    (g) Investment Advisory Agreement between the Registrant, on
                        behalf of MFS Institutional International Equity Fund,
                        and Massachusetts Financial Services Company, as
                        adviser, dated November 30, 1995. (7)

                    (h) Investment Advisory Agreement between Registrant, on
                        behalf of MFS Institutional Core Equity Fund and
                        Massachusetts Financial Services Company, as adviser,
                        dated October 29, 1998. (12)

                    (i) Investment Advisory Agreement between Registrant, on
                        behalf of MFS Institutional High Yield Fund and
                        Massachusetts Financial Services Company, as adviser,
                        dated October 29, 1998. (12)

                    (j) Investment Advisory Agreement between Registrant, on
                        behalf of MFS Institutional Large Cap Growth Fund and
                        Massachusetts Financial Services Company, as adviser,
                        dated October 29, 1998. (12)


                    (k) Form of Investment Advisory Agreement between
                        Registrant, on behalf of MFS Institutional Large Cap
                        Value Fund and Massachusetts Financial Services
                        Company, as adviser.  (9)

                    (l) Form of Investment Advisory Agreement between
                        Registrant, on behalf of MFS Institutional Research
                        Equity Fund and Massachusetts Financial Services
                        Company, as adviser.  (9)

                    (m) Form of Investment Advisory Agreement between
                        Registrant, on behalf of MFS Institutional Real Estate
                        Investment Fund and Massachusetts Financial Services
                        Company, as adviser. (9)

                    (n) Form of Sub-Investment Advisory Agreement by and
                        between Massachusetts Financial Services Company and
                        Sun Capital Advisers, Inc.  (9)


                  5 (a) Distribution Agreement by and between MFS
                        Institutional Trust and MFS Fund Distributors, Inc.,
                        dated June 15, 1994. (5)

                    (b) Dealer Agreement between MFS Fund Distributors, Inc.
                        and a dealer, and the Mutual Fund Agreement between
                        MFS and a bank, effective November 29, 1999.  (13)

                  6     Not Applicable.

                  7 (a) Custodian Agreement between the Registrant and State
                        Street Bank and Trust Company, dated July 31, 1995.
                        (2)

                    (b) Amendment to Custodian Contract dated November 30,
                        1995.  (7)

                  8 (a) Amended and Restated Shareholder Servicing Agent
                        Agreement between Registrant and MFS Service Center,
                        Inc. as Shareholder Servicing Agent dated November
                        30, 1995.  (7)

                    (b) Exchange Privilege Agreement between the MFS
                        Institutional Trust, on behalf of each of its series,
                        and MFS Fund Distributors, Inc., dated July 26, 1995.
                        (7)

                    (c) Dividend Disbursing Agency Agreement between the
                        Registrant and State Street Bank and Trust Company,
                        dated October 31, 1990.  (5)

                    (d) Master Administrative Services Agreement, dated March 1,
                        1997, as amended and restated April 1, 1999. (10)


                  9 (a) Opinion and Consent of Counsel, dated October 11,
                        2000.  (9)

                    (b) Legal Opinion Consent, dated October 27, 2000; filed
                        herewith.

                 10     Consent of Auditors Deloitte & Touche LLP; filed
                        herewith.


                 11     Not Applicable.

                 12     Investment representation letter from initial
                        shareholder of MFS Institutional Emerging Markets
                        Fixed Income Fund.  (1)

                 13     Not Applicable.

                 14     Not Applicable.

                 15     Not Applicable.

                 16     Code of Ethics pursuant to Rule 17j-1 under the
                        Investment Company Act of 1940.  (3)


                 Power of Attorney dated July 26, 2000.  (9)


----------------
 (1) Incorporated by reference to Post-Effective Amendment No. 7 to the
     Registrant's Registration Statement on Form N-1A filed with the SEC via
     EDGAR on May 18, 1995.
 (2) Incorporated by reference to Post-Effective Amendment No. 8 to the
     Registrant's Registration Statement on Form N-1A filed with the SEC via
     EDGAR on September 15, 1995.
 (3) Incorporated by reference to MFS Series Trust IX (File Nos. 2-50409 and
     811-2464) Post-Effective Amendment No. 40 filed with the SEC via EDGAR on
     August 28, 2000.
 (4) Incorporated by reference to MFS Municipal Series Trust (File Nos.
     2-92915 and 811-4096) Post-Effective Amendment No. 28 filed with the SEC
     via EDGAR on July 28, 1995.
 (5) Incorporated by reference to Post-Effective Amendment No. 9 filed with the
     SEC via EDGAR on October 27, 1995.
 (6) Incorporated by reference to Post-Effective Amendment No. 16 to the
     Registrant's Registration Statement on Form N-1A, filed with the SEC via
     EDGAR on August 14, 1998.
 (7) Incorporated by reference to Post-Effective Amendment No. 10 to the
     Registrant's Registration Statement on Form N-1A filed with the SEC via
     EDGAR on February 8, 1996.
 (8) Incorporated by reference to Post-Effective Amendment No. 11 to the
     Registrant's Registration Statement on Form N-1A filed with the SEC via
     EDGAR on April 26, 1996.

 (9) Incorporated by reference to Post-Effective Amendment No. 19 to the
     Registrant's Registration Statement on Form N-1A, filed with the SEC via
     EDGAR on October 13, 2000.

(10) Incorporated by reference to MFS Series Trust III (File Nos. 2-60491 and
     811-2794) Post-Effective Amendment No. 28 filed with the SEC via EDGAR on
     March 31, 1999.
(11) Incorporated by reference to Registrant's Post-Effective Amendment No. 15
     filed with the SEC via EDGAR on October 28, 1997.
(12) Incorporated by reference to Registrant's Post-Effective Amendment No. 18
     filed with the SEC via EDGAR on August 27, 1999.
(13) Incorporated by reference to MFS Series Trust V (File Nos. 2-38613 and
     811-2031) Post-Effective Amendment No. 48 filed with the SEC via EDGAR on
     November 29, 1999.

ITEM 24.    PERSONS CONTROLLED BY OR UNDER COMMON CONTROL WITH REGISTRANT

            Not applicable

ITEM 25.    INDEMNIFICATION

            Article V of the Registrant's Declaration of Trust provides that the
Registrant will indemnify its Trustees and officers against liabilities and
expenses incurred in connection with litigation in which they may be involved
because of their offices with the Trust, unless as to liabilities to the
Registrant or its shareholders, it is finally adjudicated that they engaged in
willful misfeasance, bad faith, gross negligence or reckless disregard of the
duties involved in their offices, or with respect to any matter unless it is
adjudicated that they did not act in good faith in the reasonable belief that
their actions were in the best interest of the Registrant. In the case of a
settlement, such indemnification will not be provided unless it has been
determined in accordance with the Declaration of Trust that such officers or
Trustees have not engaged in willful misfeasance, bad faith, gross negligence or
reckless disregard of the duties involved in their offices.

            The Trustees and officers of the Registrant and the personnel of the
Registrant's investment adviser are insured under an errors and omissions
liability insurance policy. The Registrant and its officers are also insured
under the fidelity bond required by Rule 17g-1 under the Investment Company Act
of 1940, as amended.

ITEM 26.    BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISER

            MFS serves as investment adviser to the following open-end Funds
comprising the MFS Family of Funds (except the Vertex Funds mentioned below):
Massachusetts Investors Trust, Massachusetts Investors Growth Stock Fund, MFS
Growth Opportunities Fund, MFS Government Securities Fund, MFS Government
Limited Maturity Fund, MFS Series Trust I (which has ten series: MFS Managed
Sectors Fund, MFS Cash Reserve Fund, MFS Global Asset Allocation Fund, MFS
Strategic Growth Fund, MFS Research Growth and Income Fund, MFS Core Growth
Fund, MFS Equity Income Fund, MFS New Discovery Fund, MFS Science and Technology
Fund and MFS Research International Fund), MFS Series Trust II (which has four
series: MFS Emerging Growth Fund, MFS Large Cap Growth Fund, MFS Intermediate
Income Fund and MFS Charter Income Fund), MFS Series Trust III (which has three
series: MFS High Income Fund, MFS Municipal High Income Fund and MFS High Yield
Opportunities Fund), MFS Series Trust IV (which has four series: MFS Money
Market Fund, MFS Government Money Market Fund, MFS Municipal Bond Fund and MFS
Mid Cap Growth Fund), MFS Series Trust V (which has five series: MFS Total
Return Fund, MFS Research Fund, MFS International Opportunities Fund, MFS
International Strategic Growth Fund and MFS International Value Fund), MFS
Series Trust VI (which has three series: MFS Global Total Return Fund, MFS
Utilities Fund and MFS Global Equity Fund), MFS Series Trust VII (which has two
series: MFS Global Governments Fund and MFS Capital Opportunities Fund), MFS
Series Trust VIII (which has two series: MFS Strategic Income Fund and MFS
Global Growth Fund), MFS Series Trust IX (which has eight series: MFS Bond Fund,
MFS Limited Maturity Fund, MFS Municipal Limited Maturity Fund, MFS Research
Bond Fund, MFS Intermediate Investment Grade Bond Fund, MFS Mid Cap Value Fund,
MFS Large Cap Value Fund and MFS High Quality Bond Fund), MFS Series Trust X
(which has ten series: MFS Government Mortgage Fund, MFS Emerging Markets Equity
Fund, MFS International Growth Fund, MFS International Growth and Income Fund,
MFS Strategic Value Fund, MFS Emerging Markets Debt Fund, MFS Income Fund, MFS
European Equity Fund, MFS High Yield Fund and MFS Concentrated Growth Fund), MFS
Series Trust XI (which has four series: MFS Union Standard Equity Fund, Vertex
All Cap Fund, Vertex Contrarian Fund and Vertex Income Fund), and MFS Municipal
Series Trust (which has 18 series: MFS Alabama Municipal Bond Fund, MFS Arkansas
Municipal Bond Fund, MFS California Municipal Bond Fund, MFS Florida Municipal
Bond Fund, MFS Georgia Municipal Bond Fund, MFS Maryland Municipal Bond Fund,
MFS Massachusetts Municipal Bond Fund, MFS Mississippi Municipal Bond Fund, MFS
New York Municipal Bond Fund, MFS North Carolina Municipal Bond Fund, MFS
Pennsylvania Municipal Bond Fund, MFS South Carolina Municipal Bond Fund, MFS
Tennessee Municipal Bond Fund, MFS Virginia Municipal Bond Fund, MFS West
Virginia Municipal Bond Fund, MFS Municipal Income Fund, MFS New York High
Income Tax Free Fund and MFS Massachusetts High Income Tax Free Fund) (the "MFS
Funds"). The principal business address of each of the MFS Funds is 500 Boylston
Street, Boston, Massachusetts 02116.

            MFS also serves as investment adviser of the following open-end
Funds: MFS Institutional Trust ("MFSIT") (which has eight series) and MFS
Variable Insurance Trust ("MVI") (which has sixteen series). The principal
business address of each of the aforementioned funds is 500 Boylston Street,
Boston, Massachusetts 02116.

            In addition, MFS serves as investment adviser to the following
closed-end funds: MFS Municipal Income Trust, MFS Multimarket Income Trust, MFS
Government Markets Income Trust, MFS Intermediate Income Trust, MFS Charter
Income Trust and MFS Special Value Trust (the "MFS Closed-End Funds"). The
principal business address of each of the MFS Closed-End Funds is 500 Boylston
Street, Boston, Massachusetts 02116.

            Lastly, MFS serves as investment adviser to MFS/Sun Life Series
Trust ("MFS/SL") (which has 26 series), Money Market Variable Account, High
Yield Variable Account, Capital Appreciation Variable Account, Government
Securities Variable Account, Global Governments Variable Account, Total Return
Variable Account and Managed Sectors Variable Account (collectively, the
"Accounts"). The principal business address of MFS/SL is 500 Boylston Street,
Boston, Massachusetts 02116. The principal business address of each of the
aforementioned Accounts is One Sun Life Executive Park, Wellesley Hills,
Massachusetts 02181.

            VERTEX INVESTMENT MANAGEMENT, INC., a Delaware corporation and a
wholly owned subsidiary of MFS, whose principal business address is 500 Boylston
Street, Boston, Massachusetts 02116 ("Vertex"), serves as investment adviser to
Vertex All Cap Fund, Vertex Contrarian Fund and Vertex Income Fund, each a
series of MFS Series Trust XI. The principal business address of the
aforementioned Funds is 500 Boylston Street, Boston, Massachusetts 02116.

            MFS INTERNATIONAL LTD. ("MIL"), a limited liability company
organized under the laws of Bermuda and a subsidiary of MFS, whose principal
business address is Cedar House, 41 Cedar Avenue, Hamilton HM12 Bermuda, serves
as investment adviser to and distributor for MFS American Funds known as the MFS
Funds after January 1999 (which will have 11 portfolios as of January 1999):
U.S. Equity Fund, U.S. Emerging Growth Fund, U.S. High Yield Bond Fund, U.S.
Dollar Reserve Fund, Charter Income Fund, U.S. Research Fund, U.S. Strategic
Growth Fund, Global Equity Fund, European Equity Fund and European Corporate
Bond Fund) (the "MIL Funds"). The MIL Funds are organized in Luxembourg and
qualify as an undertaking for collective investments in transferable securities
(UCITS). The principal business address of the MIL Funds is 47, Boulevard Royal,
L-2449 Luxembourg. MIL also serves as investment adviser to and distributor for
MFS Meridian U.S. Government Bond Fund, MFS Meridian Charter Income Fund, MFS
Meridian Global Governments Fund, MFS Meridian U.S. Emerging Growth Fund, MFS
Meridian Global Equity Fund, MFS Meridian Limited Maturity Fund, MFS Meridian
Global Growth Fund, MFS Meridian Money Market Fund, MFS Meridian Global Balanced
Fund, MFS Meridian U.S. Equity Fund, MFS Meridian Research Fund, MFS Meridian
U.S. High Yield Fund, MFS Meridian Emerging Markets Debt Fund, MFS Meridian
Strategic Growth Fund and MFS Meridian Global Asset Allocation Fund and the MFS
Meridian Research International Fund (collectively the "MFS Meridian Funds").
Each of the MFS Meridian Funds is organized as an exempt company under the laws
of the Cayman Islands. The principal business address of each of the MFS
Meridian Funds is P.O. Box 309, Grand Cayman, Cayman Islands, British West
Indies.

            MFS INTERNATIONAL (U.K.) LTD. ("MIL-UK"), a private limited company
registered with the Registrar of Companies for England and Wales whose current
address is Eversheds, Senator House, 85 Queen Victoria Street, London, England
EC4V 4JL, is involved primarily in marketing and investment research activities
with respect to private clients and the MIL Funds and the MFS Meridian Funds.

            MFS INSTITUTIONAL ADVISORS (AUSTRALIA) LTD. ("MFSI-AUSTRALIA"), a
private limited company organized under the Corporations Law of New South Wales,
Australia whose current address is Level 27, Australia Square, 264 George
Street, Sydney, NSW2000, Australia, is involved primarily in investment
management and distribution of Australian superannuation unit trusts and acts as
an investment adviser to institutional accounts.

            MFS HOLDINGS AUSTRALIA PTY LTD. ("MFS HOLDINGS AUSTRALIA"), a
private limited company organized pursuant to the Corporations Law of New South
Wales, Australia whose current address is Level 27, Australia Square, 264 George
Street, Sydney, NSW2000 Australia, and whose function is to serve primarily as a
holding company.

            MFS FUND DISTRIBUTORS, INC. ("MFD"), a wholly owned subsidiary of
MFS, serves as distributor for the MFS Funds, MVI and MFSIT.

            MFS SERVICE CENTER, INC. ("MFSC"), a wholly owned subsidiary of MFS,
serves as shareholder servicing agent to the MFS Funds, the MFS Closed-End
Funds, MFSIT and MVI.

            MFS INSTITUTIONAL ADVISORS, INC. ("MFSI"), a wholly owned subsidiary
of MFS, provides investment advice to substantial private clients.

            MFS RETIREMENT SERVICES, INC. ("RSI"), a wholly owned subsidiary of
MFS, markets MFS products to retirement plans and provides administrative and
record keeping services for retirement plans.

            MFS INVESTMENT MANAGEMENT K.K. ("MIMCO"), a wholly owned subsidiary
of MFS, is a corporation incorporated in Japan. MIMCO, whose address is
Kamiyacho-Mori Building, 3-20, Tranomon 4-chome, Minato-ku, Tokyo, Japan, is
involved in investment management activities.

            MFS HERITAGE TRUST COMPANY ("MFS TRUST"), a New Hampshire-chartered
limited-purpose trust company whose current address is 650 Elm Street, Suite
404, Manchester, NH 03101, provides directed trustee services to retirement
plans.

            MFS ORIGINAL RESEARCH PARTNERS, LLC, a Delaware limited liability
company and a wholly owned subsidiary of MFS whose address is 500 Boylston
Street, Boston, Massachusetts 02116, is an adviser to domestic pooled private
investment vehicles.

            MFS ORIGINAL RESEARCH ADVISORS, LLC, a Delaware limited liability
company and a wholly owned subsidiary of MFS whose address is 500 Boylston
Street, Boston, Massachusetts 02116, is an adviser to offshore pooled private
investment vehicles.

            MFS

            The Directors of MFS are Jeffrey L. Shames, Arnold D. Scott, John W.
Ballen, Kevin R. Parke, Thomas J. Cashman, Jr., Joseph W. Dello Russo, William
W. Scott, Donald A. Stewart, James Prieur and William W. Stinson. Mr. Shames is
the Chairman and Chief Executive Officer, Mr. Ballen is President and Chief
Investment Officer, Mr. Arnold Scott is a Senior Executive Vice President, Mr.
William Scott, Mr. Cashman, Mr. Dello Russo and Mr. Parke are Executive Vice
Presidents (Mr. Dello Russo is also Chief Financial Officer and Chief
Administrative Officer and Mr. Parke is also Chief Equity Officer), Stephen E.
Cavan is a Senior Vice President, General Counsel and Secretary of MFS, Robert
T. Burns is a Senior Vice President, Associate General Counsel and an Assistant
Secretary of MFS, and Thomas B. Hastings is a Vice President and Treasurer of
MFS.

            MASSACHUSETTS INVESTORS TRUST
            MASSACHUSETTS INVESTORS GROWTH STOCK FUND
            MFS GROWTH OPPORTUNITIES FUND
            MFS GOVERNMENT SECURITIES FUND
            MFS SERIES TRUST I
            MFS SERIES TRUST V
            MFS SERIES TRUST VI
            MFS SERIES TRUST X
            MFS GOVERNMENT LIMITED MATURITY FUND

            Jeffrey L. Shames is Chairman and President, Stephen E. Cavan is the
Clerk and Secretary, James O. Yost, a Senior Vice President of MFS, is the
Treasurer, Ellen M. Moynihan and Mark E. Bradley, Vice Presidents of MFS, are
the Assistant Treasurers, James R. Bordewick, Jr., Senior Vice President and
Associate General Counsel of MFS, is the Assistant Clerk and Assistant
Secretary.

            MFS SERIES TRUST II

            Jeffrey L. Shames is Chairman and President, Stephen E. Cavan is the
Clerk and Secretary, James O. Yost is the Treasurer, Ellen M. Moynihan and Mark
E. Bradley are the Assistant Treasurers, and James R. Bordewick, Jr. is the
Assistant Clerk and Assistant Secretary.

            MFS GOVERNMENT MARKETS INCOME TRUST
            MFS INTERMEDIATE INCOME TRUST

            Jeffrey L. Shames is Chairman and President, Stephen E. Cavan is the
Clerk and Secretary, James O. Yost is the Treasurer, Ellen M. Moynihan and Mark
E. Bradley are the Assistant Treasurers, and James R. Bordewick, Jr. is the
Assistant Clerk and Assistant Secretary.

            MFS SERIES TRUST III

            Jeffrey L. Shames is Chairman and President, Stephen E. Cavan is the
Clerk and Secretary, James O. Yost is the Treasurer, Ellen M. Moynihan and Mark
E. Bradley are the Assistant Treasurers, and James R. Bordewick, Jr. is the
Assistant Clerk and Assistant Secretary.

            MFS SERIES TRUST IV
            MFS SERIES TRUST IX

            Jeffrey L. Shames is Chairman and President, Stephen E. Cavan is the
Clerk and Secretary, James O. Yost is the Treasurer, Ellen M. Moynihan and Mark
E. Bradley are the Assistant Treasurers and James R. Bordewick, Jr. is the
Assistant Clerk and Assistant Secretary.

            MFS SERIES TRUST VII

            Jeffrey L. Shames is Chairman and President, Stephen E. Cavan is the
Clerk and Secretary, James O. Yost is the Treasurer, Ellen M. Moynihan and Mark
E. Bradley are the Assistant Treasurers and James R. Bordewick, Jr. is the
Assistant Clerk and Assistant Secretary.

            MFS SERIES TRUST VIII

            Jeffrey L. Shames is Chairman and President, Stephen E. Cavan is the
Clerk and Secretary, James O. Yost is the Treasurer, Ellen M. Moynihan and Mark
E. Bradley are the Assistant Treasurers and James R. Bordewick, Jr. is the
Assistant Clerk and Assistant Secretary.

            MFS MUNICIPAL SERIES TRUST

            Jeffrey L. Shames is Chairman and President, Stephen E. Cavan is the
Clerk and Secretary, James O. Yost is the Treasurer, Ellen M. Moynihan and Mark
E. Bradley are the Assistant Treasurers and James R. Bordewick, Jr. is the
Assistant Clerk and Assistant Secretary.

            MFS VARIABLE INSURANCE TRUST
            MFS SERIES TRUST XI
            MFS INSTITUTIONAL TRUST

            Jeffrey L. Shames is the President and Chairman, Stephen E. Cavan is
the Clerk and Secretary, James O. Yost is the Treasurer, Ellen M. Moynihan and
Mark E. Bradley are the Assistant Treasurers and James R. Bordewick, Jr. is the
Assistant Clerk and Assistant Secretary.

            MFS MUNICIPAL INCOME TRUST

            Jeffrey L. Shames is Chairman and President, Stephen E. Cavan is the
Clerk and Secretary, James O. Yost is the Treasurer, Ellen M. Moynihan and Mark
E. Bradley are the Assistant Treasurers and James R. Bordewick, Jr. is the
Assistant Clerk and Assistant Secretary.

            MFS MULTIMARKET INCOME TRUST
            MFS CHARTER INCOME TRUST

            Jeffrey L. Shames is Chairman and President, Stephen E. Cavan is the
Clerk and Secretary, James O. Yost is the Treasurer, Ellen M. Moynihan and Mark
E. Bradley are the Assistant Treasurers and James R. Bordewick, Jr. is the
Assistant Clerk and Assistant Secretary.

            MFS SPECIAL VALUE TRUST

            Jeffrey L. Shames is Chairman and President, Stephen E. Cavan is the
Clerk and Secretary, James O. Yost is the Treasurer, Ellen M. Moynihan and Mark
E. Bradley are the Assistant Treasurers and James R. Bordewick, Jr. is the
Assistant Clerk and Assistant Secretary.

            MFS/SUN LIFE SERIES TRUST

            C. James Prieur, President and Director of Sun Life Assurance
Company of Canada, is the President, Stephen E. Cavan is the Secretary, James O.
Yost is the Treasurer, Ellen M. Moynihan and Mark E. Bradley are the Assistant
Treasurers and James R. Bordewick, Jr., is the Assistant Secretary.

            MONEY MARKET VARIABLE ACCOUNT
            HIGH YIELD VARIABLE ACCOUNT
            CAPITAL APPRECIATION VARIABLE ACCOUNT
            GOVERNMENT SECURITIES VARIABLE ACCOUNT
            TOTAL RETURN VARIABLE ACCOUNT
            GLOBAL GOVERNMENTS VARIABLE ACCOUNT
            MANAGED SECTORS VARIABLE ACCOUNT

            C. James Prieur is the President, Stephen E. Cavan is the Secretary,
and James R. Bordewick, Jr., is the Assistant Secretary.

            MIL FUNDS

            Jeffrey L. Shames is Chairman, Richard B. Bailey, John A. Brindle,
Richard W. S. Baker, Arnold D. Scott and William F. Waters are Directors,
Stephen E. Cavan is the Secretary, James O. Yost is the Treasurer, Ellen M.
Moynihan and Mark E. Bradley are the Assistant Treasurers and James R.
Bordewick, Jr. is the Assistant Secretary.

            MFS MERIDIAN FUNDS

            Jeffrey L. Shames is Chairman, Richard B. Bailey, John A. Brindle,
Richard W. S. Baker, Arnold D. Scott and William F. Waters are Directors,
Stephen E. Cavan is the Secretary, James O. Yost is the Treasurer, James R.
Bordewick, Jr. is the Assistant Secretary and Ellen M. Moynihan and Mark E.
Bradley are the Assistant Treasurers.

            VERTEX

            Jeffrey L. Shames is the Chairman and President, Arnold D. Scott is
a Director, Kevin R. Parke and John W. Ballen are Executive Vice Presidents,
John D. Laupheimer is a Senior Vice President, Brian E. Stack is a Vice
President, Joseph W. Dello Russo is the Treasurer, Thomas B. Hastings is the
Assistant Treasurer, Stephen E. Cavan is the Secretary and Robert T. Burns is
the Assistant Secretary.

            MIL

            Peter D. Laird is President and a Director, Arnold D. Scott, Jeffrey
L. Shames and Thomas J. Cashman, Jr. are Directors, Stephen E. Cavan is a
Director, Senior Vice President and the Clerk, Robert T. Burns is an Assistant
Clerk, Joseph W. Dello Russo, Executive Vice President and Chief Financial
Officer of MFS, is the Treasurer and Thomas B. Hastings is the Assistant
Treasurer.

            MIL-UK

            Peter D. Laird is President and a Director, Thomas J. Cashman,
Arnold D. Scott and Jeffrey L. Shames are Directors, Stephen E. Cavan is a
Director and the Secretary, Joseph W. Dello Russo is the Treasurer, Thomas B.
Hastings is the Assistant Treasurer and Robert T. Burns is the Assistant
Secretary.

            MFSI - AUSTRALIA

            Thomas J. Cashman, Jr. is President and a Director, Graham E.
Lenzer, John A. Gee and David Adiseshan are Directors, Stephen E. Cavan is the
Secretary, Joseph W. Dello Russo is the Treasurer, Thomas B. Hastings is the
Assistant Treasurer, and Robert T. Burns is the Assistant Secretary.

            MFS HOLDINGS - AUSTRALIA

            Jeffrey L. Shames is the President and a Director, Arnold D. Scott,
Thomas J. Cashman, Jr., and Graham E. Lenzer are Directors, Stephen E. Cavan is
the Secretary, Joseph W. Dello Russo is the Treasurer, Thomas B. Hastings is the
Assistant Treasurer, and Robert T. Burns is the Assistant Secretary.

            MFD

            Arnold D. Scott and Jeffrey L. Shames are Directors, William W.
Scott, Jr., an Executive Vice President of MFS, is the President, Stephen E.
Cavan is the Secretary, Robert T. Burns is the Assistant Secretary, Joseph W.
Dello Russo is the Treasurer, and Thomas B. Hastings is the Assistant Treasurer.

            MFSC

            Arnold D. Scott and Jeffrey L. Shames are Directors, Joseph A.
Recomendes, a Senior Vice President and Chief Information Officer of MFS, is
Vice Chairman and a Director, Janet A. Clifford is the President, Joseph W.
Dello Russo is the Treasurer, Thomas B. Hastings is the Assistant Treasurer,
Stephen E. Cavan is the Secretary, and Robert T. Burns is the Assistant
Secretary.

            MFSI

            Thomas J. Cashman, Jr. is Chairman and a Director, Jeffrey L.
Shames, and Arnold D. Scott are Directors, Joseph J. Trainor is the President
and a Director, Leslie J. Nanberg is a Senior Vice President, a Managing
Director and a Director, Kevin R. Parke is the Executive Vice President and a
Managing Director, George F. Bennett, Jr., John A. Gee, Brianne Grady, Joseph A.
Kosciuszek and Joseph J. Trainor are Senior Vice Presidents and Managing
Directors, Joseph W. Dello Russo is the Treasurer, Thomas B. Hastings is the
Assistant Treasurer and Robert T. Burns is the Secretary.

            RSI

            Arnold D. Scott is the Chairman and a Director, Martin E. Beaulieu
is the President, William W. Scott, Jr. is a Director, Joseph W. Dello Russo is
the Treasurer, Thomas B. Hastings is the Assistant Treasurer, Stephen E. Cavan
is the Secretary and Robert T. Burns is the Assistant Secretary.

            MIMCO

            Jeffrey L. Shames, Arnold D. Scott and Mamoru Ogata are Directors,
Shaun Moran is the Representative Director, Joseph W. Dello Russo is the
Statutory Auditor, Robert DiBella is the President and Thomas B. Hastings is the
Assistant Statutory Auditor.

            MFS TRUST

            The Directors of MFS Trust are Martin E. Beaulieu, Stephen E. Cavan,
Janet A. Clifford, Joseph W. Dello Russo and Joseph A. Kosciuszek. Mr. Cavan is
President, Mr. Dello Russo is Treasurer, and Robert T. Burns is Clerk of MFS
Trust.

            MFS ORIGINAL RESEARCH PARTNERS, LLC

            Joseph J. Trainor is the President and a Manager, Jeffrey L. Shames,
John W. Ballen and Kevin R. Parke are Managers, Joseph W. Dello Russo is the
Treasurer, Stephen E. Cavan is the Secretary, Thomas B. Hastings is the
Assistant Treasurer and Robert T. Burns is the Assistant Secretary.

            MFS ORIGINAL RESEARCH ADVISORS, LLC

            Joseph J. Trainor is the President and a Manager, Jeffrey L. Shames,
John W. Ballen and Kevin R. Parke are Managers, Joseph W. Dello Russo is the
Treasurer, Stephen E. Cavan is the Secretary, Thomas B. Hastings is the
Assistant Treasurer and Robert T. Burns is the Assistant Secretary.

            In addition, the following persons, Directors or officers of MFS,
have the affiliations indicated:

            Donald A. Stewart          Chairman, Sun Life Assurance Company
                                         of Canada, Sun Life Centre, 150 King
                                         Street West, Toronto, Ontario, Canada
                                         (Mr. Stewart is also an officer
                                         and/or Director of various
                                         subsidiaries and affiliates of Sun
                                         Life)

            C. James Prieur            President and a Director, Sun Life
                                         Assurance Company of Canada, Sun Life
                                         Centre, 150 King Street West,
                                         Toronto, Ontario, Canada (Mr. Prieur
                                         is also an officer and/or Director of
                                         various subsidiaries and affiliates
                                         of Sun Life)

            William W. Stinson         Director, Sun Life Assurance Company
                                         of Canada, Sun Life Centre, 150 King
                                         Street West,  Toronto, Ontario,
                                         Canada; Director, United Dominion
                                         Industries Limited, Charlotte, N.C.;
                                         Director, PanCanadian Petroleum
                                         Limited, Calgary, Alberta; Director,
                                         LWT Services, Inc., Calgary Alberta;
                                         Director, Western Star Trucks, Inc.,
                                         Kelowna, British Columbia; Director,
                                         Westshore Terminals Income Fund,
                                         Vancouver, British Columbia; Director
                                         (until 4/99), Canadian Pacific Ltd.,
                                         Calgary, Alberta

ITEM 27.    DISTRIBUTORS

            (a) Reference is hereby made to Item 26 above.

            (b) Reference is hereby made to Item 26 above; the principal
business address of each of these persons is 500 Boylston Street, Boston,
Massachusetts 02116.

            (c) Not applicable.

ITEM 28.    LOCATION OF ACCOUNTS AND RECORDS

            The accounts and records of the Registrant are located, in whole or
in part, at the office of the Registrant and the following locations:

                        NAME                                    ADDRESS
                        ----                                    -------

            Massachusetts Financial Services             500 Boylston Street
              Company (investment adviser)               Boston, MA  02116

            MFS Fund Distributors, Inc.                  500 Boylston Street
              (principal underwriter)                    Boston, MA  02116

            State Street Bank and                        State Street South
              Trust Company (custodian)                  5 - West
                                                         North Quincy, MA  02171

            MFS Service Center, Inc.                     2 Avenue de LaFayette
              (transfer agent)                           Boston, MA  02111-1738

ITEM 29.    MANAGEMENT SERVICES

            Not applicable.

ITEM 30.    UNDERTAKINGS

            Not applicable.
<PAGE>

                                   SIGNATURES

      Pursuant to the requirements of the Securities Act of 1933 and the
Investment Company Act of 1940, the Registrant certifies that it meets all of
the requirements for effectiveness of this Registration Statement pursuant to
Rule 485(b) under the Securities Act of 1933 and has duly caused this
Post-Effective Amendment to the Registration Statement to be signed on its
behalf by the undersigned, thereto duly authorized, in the City of Boston and
The Commonwealth of Massachusetts on the 24th day of October 2000.

                                           MFS INSTITUTIONAL TRUST


                                           By:    JAMES R. BORDEWICK, JR.
                                                  ---------------------------
                                           Name:  James R. Bordewick, Jr.
                                           Title: Assistant Clerk and Assistant
                                                  Secretary

      Pursuant to the requirements of the Securities Act of 1933, this
Post-Effective Amendment to its Registration Statement has been signed below by
the following persons in the capacities indicated on October 23, 2000.

         SIGNATURE                                       TITLE
         ---------                                       -----

                                           Chairman, President (Principal
JEFFREY L. SHAMES*                           Executive Officer) and Trustee
----------------------------
Jeffrey L. Shames

                                           Treasurer (Principal Financial
JAMES O. YOST*                               Officer and Principal Accounting
----------------------------                 Officer)
James O. Yost

WILLIAM R. GUTOW*                          Trustee
William R. Gutow

NELSON J. DARLING, JR.*                    Trustee
Nelson J. Darling, Jr.


                                           *By:   JAMES R. BORDEWICK, JR.
                                                  --------------------------
                                           Name:  James R. Bordewick, Jr.
                                                    as Attorney-in-fact

                                           *Executed by James R. Bordewick, Jr.
                                           on behalf of those indicated pursuant
                                           to a Power of Attorney dated July 26,
                                           2000, incorporated by reference to
                                           the Registrant's Post-Effective
                                           Amendment No. 19, filed with the
                                           Securities and Exchange commission
                                           via EDGAR on October 13, 2000.
<PAGE>

                                INDEX TO EXHIBITS

EXHIBIT NO.               DESCRIPTION OF EXHIBIT                  PAGE NO.
-----------               ----------------------                  --------

    9 (b)           Legal Opinion Consent, dated
                      October 27, 2000.

   10               Consent of Auditors Deloitte & Touche LLP.



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