MFS VARIABLE INSURANCE TRUST
497, 1995-05-05
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<PAGE>

<TABLE>
<S>                                          <C>
MFS-REGISTERED TRADEMARK- WORLD GOVERNMENTS  PROSPECTUS
SERIES-SM-                                   May 1, 1995
</TABLE>

- --------------------------------------------------------------------------------
MFS-Registered Trademark- VARIABLE INSURANCE TRUST-SM-
<TABLE>
<CAPTION>

<C>        <S>
       1.  Expense Summary..........................................................................................................
       2.  Investment Concept of the Trust..........................................................................................
       3.  Condensed Financial Information..........................................................................................
       4.  Investment Objectives and Policies.......................................................................................
       5.  Investment Techniques....................................................................................................
       6.  Additional Risk Factors..................................................................................................
       7.  Management of the Series.................................................................................................
       8.  Information Concerning Shares of the Series..............................................................................
           Purchases and Redemptions................................................................................................
           Net Asset Value..........................................................................................................
           Distributions............................................................................................................
           Tax Status...............................................................................................................
           Description of Shares, Voting Rights and Liabilities.....................................................................
           Performance Information..................................................................................................
           Expenses.................................................................................................................
           Shareholder Communications...............................................................................................
           Appendix A -- Description of Obligations Issued or Guaranteed by U.S. Government Agencies,
           Authorities or Instrumentalities.........................................................................................

<CAPTION>
             PAGE
           ---------
<C>        <C>
       1.          2
       2.          2
       3.          3
       4.          3
       5.          5
       6.          9
       7.         11
       8.         12
                  12
                  13
                  13
                  13
                  13
                  14
                  14
                  15

                 A-1
</TABLE>

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

BECAUSE  OF ITS INVESTMENT POLICIES PERMITTING INVESTMENT IN FOREIGN SECURITIES,
INVESTMENTS IN THE  MFS WORLD  GOVERNMENTS SERIES MAY  BE SUBJECT  TO A  GREATER
DEGREE  OF  RISK THAN  INVESTMENTS IN  OTHER  INVESTMENT COMPANIES  WHICH INVEST
ENTIRELY IN DOMESTIC SECURITIES.
                              -------------------

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

SHARES  OF THE TRUST  ARE AVAILABLE AND  ARE BEING MARKETED  AS A POOLED FUNDING
VEHICLE FOR  LIFE  INSURANCE  COMPANIES  WRITING ALL  TYPES  OF  CONTRACTS  (THE
"CONTRACTS").

MFS VARIABLE INSURANCE TRUST
500 BOYLSTON STREET, BOSTON, MASSACHUSETTS 02116                (617) 954-5000

MFS  WORLD GOVERNMENTS SERIES ("WORLD GOVERNMENTS  SERIES" OR THE "SERIES") is a
non-diversified series  of  MFS  Variable  Insurance  Trust  (the  "Trust"),  an
open-end  management  investment  company  offering  insurance  company separate
accounts a selection of  investment vehicles for  variable annuity and  variable
life  insurance contracts  (the "Contracts").  The investment  objectives of the
World Governments  Series  are  to  seek preservation  and  growth  of  capital,
together  with  moderate  current  income. The  Series'  investment  adviser and
distributor  are  Massachusetts   Financial  Services  Company   and  MFS   Fund
Distributors,  Inc., respectively,  both of  which are  located at  500 Boylston
Street, Boston, Massachusetts 02116.

This Prospectus sets  forth concisely the  information about the  Series that  a
prospective  investor should know  before applying for  the Contracts offered by
the separate accounts of  certain insurance companies ("Participating  Insurance
Companies").  Investors are advised  to read this  Prospectus and the applicable
Contract prospectus  carefully and  retain  them for  future reference.  If  you
require  more detailed information, a  Statement of Additional Information dated
May 1,  1995, as  supplemented from  time  to time,  is available  upon  request
without  charge and may be obtained by  calling or by writing to the Shareholder
Servicing Agent. (See back cover for address and phone number.) The Statement of
Additional Information, which is incorporated by reference into this Prospectus,
has been filed with the Securities and Exchange Commission.

   INVESTORS SHOULD READ THIS PROSPECTUS AND RETAIN IT FOR FUTURE REFERENCE.
<PAGE>
1.  EXPENSE SUMMARY

<TABLE>
<S>                                                                                           <C>           <C>
ANNUAL OPERATING EXPENSES (AS A PERCENTAGE OF AVERAGE NET ASSETS):
</TABLE>

<TABLE>
<CAPTION>
                                                                                                                  MFS WORLD
                                                                                                                 GOVERNMENTS
                                                                                                                    SERIES
                                                                                                                 ------------
<S>                                                                                                              <C>
Management Fee.................................................................................................       0.75%
Other Expenses (after fee reduction)...........................................................................       0.25%(1)
                                                                                                                 ------------
Total Operating Expenses (after fee reduction).................................................................       1.00%(1)
<FN>
- ------------------------
(1)        The  Adviser has agreed  to bear, subject  to reimbursement, until December  31, 2004, expenses  of the World Governments
           Series such that the Series'  aggregate operating expenses do  not exceed 1.00%, on an  annualized basis, of its  average
           daily  net assets. See "Information  Concerning Shares of the Series--Expenses."  Absent this expense arrangement, "Other
           Expenses" and "Total Operating Expenses" would be 0.63% and 1.38%, respectively.
</TABLE>

The Series'  annual  operating  expenses  do not  reflect  expenses  imposed  by
separate   accounts  of  Participating  Insurance  Companies  through  which  an
investment in a Series is made or their related Contracts. A separate  account's
expenses  are disclosed in the prospectus through which the Contract relating to
that separate account is offered for sale.

2.  INVESTMENT CONCEPT OF THE TRUST

The World  Governments Series  is  a non-diversified  series  of the  Trust,  an
open-end  management  investment company  with twelve  separate series,  each of
which is a segregated, separately managed portfolio. The Trust was organized  as
a  business  trust under  the laws  of  The Commonwealth  of Massachusetts  by a
Declaration of Trust dated February 1, 1994.

The Trust  offers shares  of its  twelve series  to insurance  company  separate
accounts that fund Contracts. Separate accounts may purchase or redeem shares at
net asset value without any sales or redemption charge. Fees and charges imposed
by a separate account, however, will affect the actual return to the holder of a
Contract. A separate account may also impose certain restrictions or limitations
on  the  allocation  of  purchase  payments or  Contract  value  to  the series.
Prospective investors  should consult  the  applicable Contract  prospectus  for
information regarding fees and expenses of the Contract and separate account and
any  applicable restrictions or limitations. The Trust assumes no responsibility
for such prospectuses.

The Trust offers shares of the Series to the separate accounts of  Participating
Insurance  Companies that are affiliated or unaffiliated ("shared funding"), and
shares of the Series will serve as the underlying investments for both  variable
annuity  and  variable  life  insurance  contracts  ("mixed  funding").  Due  to
differences in tax treatment or  other considerations, the interests of  various
Contract  owners might at some time be in conflict. The Trust currently does not
foresee any such conflict. Nevertheless, the Trust's Trustees intend to  monitor
events  in order  to identify  any material  irreconcilable conflicts  which may
possibly arise and to determine what action, if any, should be taken in response
thereto. If such a conflict were to occur, one or more separate accounts of  the
Participating  Insurance Companies might be required to withdraw its investments
in the Series. This might force the Series to sell securities at disadvantageous
prices.

Individual Contract holders are not the "shareholders" of the Trust. Rather, the
Participating  Insurance  Companies   and  their  separate   accounts  are   the
shareholders  or  investors, although  such  companies may  pass  through voting
rights to their Contract holders.

The Trust's Board of Trustees provides broad supervision over the affairs of the
Trust and  the  Series. Massachusetts  Financial  Services Company,  a  Delaware
Corporation ("MFS" or the "Adviser"), is the investment adviser to the Series. A
majority  of the Trustees of the Trust  are not affiliated with the Adviser. The
Adviser is responsible for the  management of the assets  of the Series and  the
officers  of the Trust  are responsible for the  operations. The Adviser manages
the Series'  portfolio  from  day  to day  in  accordance  with  the  investment
objectives  and policies of the Series. The selection of investments and the way
they are managed  depend on the  conditions and  trends in the  economy and  the
financial marketplaces.

                                       2
<PAGE>
3.  CONDENSED FINANCIAL INFORMATION

The  following  information  should  be  read  in  conjunction  with  the  World
Governments Series' financial statements included  in the Series' Annual  Report
to  shareholders  which  are incorporated  by  reference into  the  Statement of
Additional Information in  reliance upon the  report of Deloitte  & Touche  LLP,
independent certified public accountants, as experts in accounting and auditing.
<TABLE>
<CAPTION>

<S>                                                                                                                  <C>
Per Share data (for a share outstanding throughout the period):
Net asset value--beginning of period...............................................................................
Income from investment operations++
  Net investment income**..........................................................................................
  Net realized and unrealized loss on investments..................................................................
    Total from investment operations...............................................................................
Less distributions declared to shareholders
  From net investment income.......................................................................................
  In excess of net investment income...............................................................................
    Total distributions declared to shareholders...................................................................
Net asset value--end of period.....................................................................................
Total return.......................................................................................................
Ratios (to average net assets)/Supplemental data**:
  Expenses.........................................................................................................
  Net investment income............................................................................................
Portfolio turnover.................................................................................................
Net assets at end of period (000 omitted)..........................................................................

<CAPTION>
                                                                                                                         YEAR ENDED

                                                                                                                     DECEMBER 31, 19
94*
                                                                                                                     ---------------
- ----
<S>                                                                                                                  <C>

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**..........................................................................................     $    0.17

  Net realized and unrealized loss on investments..................................................................         (0.09)

                                                                                                                           ------

    Total from investment operations...............................................................................     $    0.08

                                                                                                                           ------

Less distributions declared to shareholders
  From net investment income.......................................................................................     $   (0.17)

  In excess of net investment income...............................................................................         (0.09)

                                                                                                                           ------

    Total distributions declared to shareholders...................................................................     $   (0.26)

                                                                                                                           ------

Net asset value--end of period.....................................................................................     $    9.82

                                                                                                                           ------

                                                                                                                           ------

Total return.......................................................................................................          0.79%

Ratios (to average net assets)/Supplemental data**:
  Expenses.........................................................................................................          1.00%+

  Net investment income............................................................................................          4.68%+

Portfolio turnover.................................................................................................              62%

Net assets at end of period (000 omitted)..........................................................................  $        2,881

<FN>
- ------------------------
 +         Annualized.
++         Per share data is based on average shares outstanding.
 *         For the period from the commencement of investment operations, June 14, 1994 to December 31, 1994.
**         The  investment adviser did not impose  a portion of its management fee  for the period indicated. If this
           fee had been incurred by the Series, the net investment income per share and the ratios would have been:

Net                                                                                                       $0.16
investment
 income...
Ratios (to average net assets):
  Expenses..................................................................................          1.10%+
  Net investment income.....................................................................          4.58%+
</TABLE>

Total return information does  not reflect expenses that  apply to the  separate
accounts  of Participating Insurance  Companies or their  related Contracts. The
inclusion of these charges would reduce  the total return figure for the  period
shown.

4.  INVESTMENT OBJECTIVES AND POLICIES

INVESTMENT  OBJECTIVES -- The World  Governments Series' investment objective is
to seek  not  only preservation,  but  also  growth of  capital,  together  with
moderate  current income. The  investment objectives and  policies of the Series
may, unless otherwise  specifically stated, be  changed by the  Trustees of  the
Trust without a vote of the shareholders. Any investment involves risk and there
is no assurance that the objectives of the Series will be achieved.

INVESTMENT  POLICIES --  The Series seeks  to achieve  its investment objectives
through  a   professionally  managed,   internationally  diversified   portfolio
consisting   primarily  of  debt  securities  and  to  a  lesser  extent  equity
securities. The  Series attempts  to provide  investors with  an opportunity  to
enhance  the  value  and increase  the  protection of  their  investment against
inflation and otherwise by taking  advantage of investment opportunities in  the
U.S. as well as in other countries where opportunities may be more rewarding. It
is  believed that diversification of assets  on an international basis decreases
the degree to which events in any

                                       3
<PAGE>
one country, including the U.S., can  affect the entire portfolio. Although  the
percentage  of  the  Series' assets  invested  in securities  issued  abroad and
denominated in  foreign currencies  will  vary depending  on  the state  of  the
economies  of the principal countries of  the world, their financial markets and
the relationship of their currencies to the U.S. dollar, under normal conditions
the Series'  portfolio is  internationally diversified.  However, for  defensive
reasons  or during times  of international political  or economic uncertainty or
turmoil, most or all of the Series' investments may be in the U.S.

Under normal  economic  and market  conditions,  at  least 80%  of  the  Series'
portfolio  is invested in  debt securities, such  as bonds, debentures, mortgage
securities, notes,  commercial  paper, obligations  issued  or guaranteed  by  a
government  or any of its political subdivisions, agencies or instrumentalities,
certificates of deposit, as well  as debt obligations which  may have a call  on
common  stock  by means  of a  conversion privilege  or attached  warrants. Debt
securities in which the  Series may invest may  also include zero coupon  bonds,
mortgage   pass-through   securities,   collateralized   mortgage   obligations,
multiclass pass-through securities and stripped mortgage-backed securities.  The
Series  also may enter into mortgage  "dollar roll" transactions. The Series may
invest in  indexed  securities whose  value  is linked  to  foreign  currencies,
interest  rates,  commodities,  indices  or  other  financial  indicators.  (See
"Investment Techniques" below). The Series may purchase securities that are  not
registered  under the Securities Act of 1933 (the "1933 Act") but can be offered
and sold to "qualified institutional buyers" under Rule 144A under the 1933 Act.
(See "Additional Risk Factors" below).

The Series may write covered put and call options on securities and purchase put
and call options.  The Series  may also enter  into "yield  curve" options.  The
Series  may enter into futures contracts  on fixed income securities, on foreign
currencies and on indices of securities,  and may purchase and write options  on
such  futures contracts. In addition, the  Series may enter into forward foreign
currency exchange contracts and options  on foreign currencies. The Series  also
may  enter into interest rate swaps, currency swaps and other types of available
swap agreements. The Series also may purchase and sell caps, floors and collars.
The Series may invest in Brady Bonds. (See "Investment Techniques" below).

The Series may invest in American  Depositary Receipts ("ADRs"). The Series  may
also  invest up to 100% (and expects generally to invest up to 80%) of its total
assets in foreign securities including emerging market securities (not including
ADRs). See  "Investment Techniques"  and "Additional  Risk Factors"  below.  The
Adviser  will determine the amount of the World Governments Series' assets to be
invested in the United  States and the  amount to be  invested abroad. The  U.S.
assets will be invested in high quality debt securities and the remainder of the
assets  will be diversified among countries where opportunities for total return
are expected to be  most attractive. It is  currently expected that  investments
within  foreign countries will be primarily in government securities to minimize
credit risks. The Series will not invest 25% or more of the value of its  assets
in  the securities of any one foreign  government. The portfolio will be managed
actively and the asset allocations modified as the Adviser deems necessary.

The Series will purchase  non-dollar securities denominated  in the currency  of
countries  where the interest  rate environment as well  as the general economic
climate provide  an  opportunity  for  declining  interest  rates  and  currency
appreciation.  If  interest  rates  decline,  such  non-dollar  securities  will
appreciate in value. If  the currency also appreciates  against the dollar,  the
total  investment  in  such  non-dollar securities  would  be  enhanced further.
Conversely, a rise in interest rates or decline in currency exchange rates would
adversely affect  the  Series'  return. Investments  in  non-dollar  denominated
securities  are evaluated  primarily on  the strength  of a  particular currency
against the dollar and on the interest rate climate of that country. Currency is
judged on the basis of  fundamental economic criteria (E.G., relative  inflation
levels  and  trends,  growth rate  forecasts,  balance of  payments  status, and
economic policies) as well as technical  and political data. In addition to  the
foregoing,  interest  rates  are  evaluated on  the  basis  of  differentials or
anomalies that  may  exist between  different  countries. The  Series  may  hold
foreign  currency received in connection  with investments in foreign securities
and in  anticipation of  purchasing foreign  securities. (See  "Additional  Risk
Factors" below).

The  phrase  "preservation of  capital" when  applied  to a  domestic investment
company is generally understood to imply that the portfolio is invested in  very
low  risk securities and that the major risk is loss of purchasing power through
the effects of inflation or major changes in interest rates. However, while  the
Series  invests in securities which are believed to have minimal credit risk, an
error of judgment in selecting a currency or an interest rate environment  could
result in a loss of capital.

It  is contemplated  that the  Series' long-term  debt investments  will consist
primarily of securities which  are believed by the  Adviser to be of  relatively
high  quality. If after the Series purchases such a security, the quality of the
security deteriorates  significantly, the  security  will be  sold only  if  the
Adviser believes it is advantageous to do so.

                                       4
<PAGE>
5.  INVESTMENT TECHNIQUES

LENDING  OF PORTFOLIO SECURITIES: The Series may  seek to increase its income by
lending portfolio securities. Such  loans will usually be  made to member  firms
(and  subsidiaries thereof) of the New  York Stock Exchange (the "Exchange") and
to member banks  of the  Federal Reserve  System, and  would be  required to  be
secured  continuously by collateral  in cash, cash  equivalents or U.S. Treasury
securities maintained on  a current basis  at an  amount at least  equal to  the
market  value  of  the securities  loaned.  If  the Adviser  determines  to make
securities loans, it is intended that  the value of the securities loaned  would
not exceed 25% of the value of the net assets of the Series.

EMERGING MARKETS SECURITIES: The Series may invest in fixed income securities of
issuers  (including  foreign  governments and  their  subdivisions,  agencies or
instrumentalities) located  in emerging  markets. Emerging  markets include  any
country:  (i) having an "emerging stock  market" as defined by the International
Finance Corporation; (ii) with low-to  middle-income economies according to  the
International  Bank for Reconstruction  and Development (the  World Bank); (iii)
listed in World Bank publications as developing; or (iv) determined by MFS to be
an emerging market  as defined  above. Each Series  may invest  in fixed  income
securities  of: (i) foreign governments or  any of their political subdivisions,
agencies or instrumentalities; (ii)  companies the principal securities  trading
market  for which is an emerging market country; (iii) companies organized under
the laws of, and with  a principal office in,  an emerging market country;  (iv)
companies  whose principal activities are  located in emerging market countries;
or (v) companies whose securities  are traded in any  market that derive 50%  or
more  of  their total  revenue  from either  goods  or services  produced  in an
emerging market or sold in an emerging market.

BRADY BONDS: The Series 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,  Ecuador, Mexico,  Nigeria,  the Philippines,  Poland,  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. Brandy
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.

REPURCHASE  AGREEMENTS: The Series may enter into repurchase agreements in order
to earn additional income on available cash or as a temporary defensive measure.
Under a  repurchase agreement,  the Series  acquires securities  subject to  the
seller's  agreement to repurchase at  a specified time and  price. If the seller
becomes subject to  a proceeding  under the bankruptcy  laws or  its assets  are
otherwise subject to a stay order, the Series' right to liquidate the securities
may be restricted (during which time the value of the securities could decline).
As  discussed in the Statement of Additional Information, the Series has adopted
certain procedures intended to minimize any risk.

MORTGAGE "DOLLAR ROLL" TRANSACTIONS: The Series may enter into mortgage  "dollar
roll"  transactions with selected banks and broker-dealers pursuant to which the
Series sells mortgage-backed  securities for delivery  in the future  (generally
within 30 days) and simultaneously contracts to repurchase substantially similar
(same  type, coupon  and maturity)  securities on  a specified  future date. The
Series will only enter into covered rolls.  A "covered roll" is a specific  type
of  dollar  roll  for which  there  is an  offsetting  cash position  or  a cash
equivalent security position which matures  on or before the forward  settlement
date  of the dollar roll transaction. In the  event that the party with whom the
Series contracts to replace  substantially similar securities  on a future  date
fails  to deliver  such securities, the  Series may  not be able  to obtain such
securities at the price specified in such contract and thus may not benefit from
the price differential between the current sales price and the repurchase price.

ZERO COUPON BONDS: The Series may invest in zero coupon bonds. Zero coupon bonds
are debt obligations  which are issued  or purchased 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. Zero coupon bonds do not require the  periodic
payment of interest. Such investments benefit

                                       5
<PAGE>
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 due to changes in  interest rates than debt obligations which  make
regular  payments of interest. The Series will accrue income on such investments
for tax  and  accounting  purposes,  as  required,  which  is  distributable  to
shareholders  and which, because no cash is received at the time of accrual, may
require the liquidation  of other  portfolio securities to  satisfy the  Series'
distribution obligations.

COLLATERALIZED  MORTGAGE OBLIGATIONS AND MULTICLASS PASS-THROUGH SECURITIES: The
Series 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.  Typically,   CMOs  are  collateralized  by
certificates issued by  the Government National  Mortgage Association  ("GNMA"),
the  Federal National  Mortgage Association ("FNMA"),  or the  Federal Home Loan
Mortgage Corporation ("FHLMC"), but also may be collateralized by whole loans or
private mortgage pass-through securities (such collateral collectively  referred
to  as "Mortgage Assets"). The Series may also invest a portion of its assets in
multiclass pass-through securities which  are interests in  a trust composed  of
Mortgage  Assets. CMOs (which include multiclass pass-through securities) may be
issued by agencies, authorities or  instrumentalities of the U.S. Government  or
by  private originators of,  or investors in,  mortgage loans, including savings
and loan associations,  mortgage banks, commercial  banks, investment banks  and
special  purpose subsidiaries  of the  foregoing. Payments  of principal  of and
interest on the Mortgage  Assets, and any  reinvestment income thereon,  provide
the funds to pay debt service on the CMOs or make scheduled distributions on the
multiclass  pass-through securities. In a CMO, a series of bonds or certificates
are usually issued in multiple classes with different maturities. Each class  of
CMOs,  often  referred to  as  a "tranche",  is issued  at  a specific  fixed or
floating coupon  rate and  has a  stated maturity  or final  distribution  date.
Principal  prepayments on the Mortgage  Assets may cause the  CMOs to be retired
substantially earlier than their stated maturities or final distribution  dates,
resulting  in a loss of all or part of the premium if any has been paid. Certain
classes of  CMOs  have priority  over  others with  respect  to the  receipt  of
prepayments  on the mortgages. Therefore, depending on the type of CMOs in which
the Series invests, the investment may be subject to a greater or lesser risk of
prepayments than other types of mortgage-related securities.

The Series 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.  PAC Bonds  generally
require  payments of a specified  amount of principal on  each payment date. PAC
Bonds are always parallel pay CMOs  with the required principal payment on  such
securities  having  the highest  priority after  interest has  been paid  to all
classes. For a further description of CMOs, parallel pay CMOs and PAC Bonds  and
the  risks  related to  transactions therein,  see  the Statement  of Additional
Information.

STRIPPED MORTGAGE-BACKED SECURITIES: The Series may also invest a portion of its
assets in  stripped mortgage-backed  securities ("SMBS"),  which are  derivative
multiclass  mortgage securities usually structured with two classes that receive
different proportions of interest and principal distributions from an underlying
pool of mortgage assets. For a further description of SMBS and the risks related
to transactions therein, see the Statement of Additional Information.

MORTGAGE PASS-THROUGH SECURITIES: The Series 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.
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
GNMA); or guaranteed by U.S. Government-sponsored corporations (such as FNMA  or
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).  See the  Statement of
Additional Information for a further discussion of these securities.

INDEXED SECURITIES: The Series may invest  in indexed securities whose value  is
linked  to  foreign currencies,  interest rates,  commodities, indices  or other
financial indicators. Most  indexed securities  are short  to intermediate  term
fixed-income  securities whose values at maturity  and/or interest rates rise or
fall according to the  change in one or  more specified underlying  instruments.
Indexed  securities may be  positively or negatively  indexed (I.E., their value
may increase or decrease if the

                                       6
<PAGE>
underlying instrument appreciates), and may have return characteristics  similar
to  direct investments in the underlying instrument or to one or more options on
the underlying  instrument. Indexed  securities may  be more  volatile than  the
underlying instrument itself.

SWAPS AND RELATED TRANSACTIONS: As one way of managing its exposure to different
types  of investments, the  Series may enter into  interest rate swaps, currency
swaps and other types  of available swap agreements,  such as caps, collars  and
floors.  Swaps involve  the exchange  by the Series  with another  party of cash
payments based  upon  different interest  rate  indexes, currencies,  and  other
prices or rates, such as the value of mortgage prepayment rates. For example, in
the  typical interest rate  swap, the Series  might exchange a  sequence of cash
payments based on a floating rate index for cash payments based on a fixed rate.
Payments made by both  parties to a  swap transaction are  based on a  principal
amount determined by the parties.

The Series may also purchase and sell caps, floors and collars. In a typical cap
or  floor  agreement, one  party agrees  to make  payments only  under specified
circumstances, usually in return for payment  of a fee by the counterparty.  For
example,  the purchase of an interest rate cap entitles the buyer, to the extent
that a  specified  index  exceeds  a predetermined  interest  rate,  to  receive
payments  of  interest  on  a  contractually-based  principal  amount  from  the
counterparty selling such interest rate cap. The sale of an interest rate  floor
obligates  the seller to make  payments to the extent  that a specified interest
rate falls below an agreed-upon level. A collar arrangement combines elements of
buying a cap and selling a floor.

Swap agreements will tend to shift the Series' investment exposure from one type
of investment to another. For example, if the Series agreed to exchange payments
in dollars for payments in foreign currency, in each case based on a fixed rate,
the swap agreement would tend to decrease the Series' exposure to U.S.  interest
rates and increase its exposure to foreign currency and interest rates. Caps and
floors  have an effect  similar to buying  or writing options.  Depending on how
they are used, swap agreements may  increase or decrease the overall  volatility
of the Series' investments and its share price and yield.

Swap  agreements are sophisticated hedging  instruments that typically involve a
small investment  of cash  relative to  the  magnitude of  risks assumed.  As  a
result,  swaps can be highly volatile and  may have a considerable impact on the
Series' performance.  Swap  agreements  are  subject to  risks  related  to  the
counterparty's   ability  to   perform,  and  may   decline  in   value  if  the
counterparty's creditworthiness deteriorates. The Series may also suffer  losses
if  it is unable to terminate outstanding swap agreements or reduce its exposure
through offsetting transactions.

Swaps, caps, floors and collars are highly specialized activities which  involve
certain   risks.  See  the  Statement  of  Additional  Information  for  further
information on, and the risks involved in, these activities.

OPTIONS ON SECURITIES: The Series may write (sell) covered put and call  options
and  purchase put and call options on  securities. The Series will write options
on securities for  the purpose of  increasing its return  and/or to protect  the
value  of its portfolio. In  particular, where the Series  writes an option that
expires unexercised or is closed out by  the Series at a profit, it will  retain
the  premium paid for the  option which will increase  its gross income and will
offset in  part the  reduced  value of  the  portfolio security  underlying  the
option,  or  the  increased cost  of  portfolio  securities to  be  acquired. In
contrast, however, if the  price of the underlying  security moves adversely  to
the  Series'  position, the  option  may be  exercised  and the  Series  will be
required to purchase or sell the underlying security at a disadvantageous price,
which may only be partially offset by the amount of the premium. The Series  may
also  write combinations of put and call  options on the same security, known as
"straddles." Such transactions can generate  additional premium income but  also
present increased risk.

By  writing a call  option on a  security, the Series  limits its opportunity to
profit from any increase in the  market value of the underlying security,  since
the  holder will usually exercise  the call option when  the market value of the
underlying security exceeds the exercise price of the call. However, the  Series
retains  the risk of depreciation in value of securities on which it has written
call options.

The Series  may also  purchase put  or call  options in  anticipation of  market
fluctuations which may adversely affect the value of its portfolio or the prices
of  securities that the Series  wants to purchase at a  later date. In the event
that the expected market  fluctuations occur, the Series  may be able to  offset
the  resulting adverse effect on its portfolio, in whole or in part, through the
options purchased.  The  premium  paid  for  a  put  or  call  option  plus  any
transaction  costs will reduce the benefit, if  any, realized by the Series upon
exercise or liquidation of the option,  and, unless the price of the  underlying
security  changes  sufficiently,  the option  may  expire without  value  to the
Series.

"YIELD CURVE" OPTIONS: The Series may enter into options on the yield  "spread,"
or  yield differential, between  two securities, a transaction  referred to as a
"yield curve" option, for hedging and non-hedging (an effort to increase current
income) purposes.

                                       7
<PAGE>
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 actual
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 written by the Series will be covered as described
in the Statement of Additional Information.  The trading of yield curve  options
is  subject to all the risks associated  with trading other types of options, as
discussed below  under  "Additional  Risk  Factors"  and  in  the  Statement  of
Additional  Information. In addition, such options present risks of loss even if
the yield on one  of the underlying securities  remains constant, if the  spread
moves in a direction or to an extent which was not anticipated.

FUTURES  CONTRACTS AND OPTIONS ON FUTURES CONTRACTS: The Series may 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. The  Series  may  also  purchase and  write  options  on  such  Futures
Contracts  ("Options on  Futures Contracts"). The  Series may  purchase and sell
Futures Contracts on foreign  currencies or indices  of foreign currencies.  The
Series may also purchase and write Options on such Futures Contracts.

Such  transactions will be entered into  for hedging purposes or for non-hedging
purposes to  the extent  permitted  by applicable  law.  The Series  will  incur
brokerage  fees  when it  purchases  and sells  Futures  Contracts, and  will be
required to  maintain margin  deposits. In  addition, Futures  Contracts  entail
risks. Although the Adviser believes that use of such contracts will benefit the
Series, if its investment judgment about the general direction of exchange rates
or  the stock market is incorrect, the Series' overall performance may be poorer
than if it had not entered into any  such contract and the Series may realize  a
loss.  The  Series  will not  enter  into  any Futures  Contract  if immediately
thereafter the value  of all  open positions in  Futures Contracts  held by  the
Series would exceed 50% of the value of its total assets.

Purchases  of Options on Futures Contracts may  present less risk in hedging the
Series' portfolio than the purchase or sale of the underlying Futures  Contracts
since  the potential loss is  limited to the amount  of the premium plus related
transaction costs,  although it  may  be necessary  to  exercise the  option  to
realize  any profit, which  results in the establishment  of a futures position.
The writing of Options on Futures Contracts, however, does not present less risk
than the trading of Futures Contracts and will constitute only a partial  hedge,
up  to  the  amount  of the  premium  received.  In addition,  if  an  option is
exercised, the Series may suffer a loss on the transaction.

Futures Contracts and Options on Futures Contracts that are entered into by  the
Series will be traded on U.S. and foreign exchanges.

FORWARD  CONTRACTS: The Series may enter  into forward foreign currency exchange
contracts for the purchase or sale of a fixed quantity of a foreign currency  at
a future date ("Forward Contracts"). The Series may enter into Forward Contracts
for  hedging purposes and for non-hedging purposes (I.E., speculative purposes).
By entering into  transactions in  Forward Contracts for  hedging purposes,  the
Series  may  be  required to  forego  the  benefits of  advantageous  changes in
exchange  rates  and,  in  the  case  of  Forward  Contracts  entered  into  for
non-hedging  purposes, the Series may sustain losses which will reduce its gross
income. Such transactions, therefore,  could be considered speculative.  Forward
Contracts  are  traded  over-the-counter  and not  on  organized  commodities or
securities exchanges.  As  a  result,  Forward Contracts  operate  in  a  manner
distinct  from exchange-traded instruments, and their use involves certain risks
beyond those associated with transactions in Futures Contracts or options traded
on exchanges. The Series may choose to,  or be required to, receive delivery  of
the  foreign currencies underlying Forward Contracts  it has entered into. 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,
the  Fund may hold such currencies for  an indefinite period of time. The Series
may also enter into a Forward Contract on one currency to hedge against risk  of
loss arising from fluctuations in the value of a second currency (referred to as
a  "cross hedge")  if, in the  judgment of  the Adviser, a  reasonable degree of
correlation can  be  expected  between  movements  in  the  values  of  the  two
currencies.  The Series has established procedures consistent with statements of
the Securities and Exchange Commission (the  "SEC") and its staff regarding  the
use  of Forward Contracts by registered investment companies, which requires use
of segregated assets or "cover" in connection with the purchase and sale of such
contracts.

OPTIONS ON FOREIGN CURRENCIES: The Series may also purchase and write options on
foreign  currencies  ("Options  on  Foreign  Currencies")  for  the  purpose  of
protecting  against declines  in the  dollar value  of portfolio  securities and
against increases in the  dollar cost of  securities to be  acquired. As in  the
case  of other types  of options, however,  the writing of  an Option on Foreign
Currency will constitute only a partial hedge,  up to the amount of the  premium
received, and the Series may be required to

                                       8
<PAGE>
purchase  or sell foreign currencies  at disadvantageous exchange rates, thereby
incurring losses. The purchase of an  Option on Foreign Currency may  constitute
an effective hedge against fluctuations in exchange rates although, in the event
of  rate movements adverse  to the Series'  position, it may  forfeit the entire
amount of the premium  paid for the option  plus related transaction costs.  The
Series  may also choose to,  or be required to,  receive delivery of the foreign
currencies underlying Options on Foreign  Currencies it has entered into.  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,
the Series may hold such currencies for an indefinite period of time.

6.  ADDITIONAL RISK FACTORS

OPTIONS, FUTURES CONTRACTS AND FORWARD CONTRACTS: Although the Series will enter
into transactions in options, Futures  Contracts, Options on Futures  Contracts,
Forward  Contracts and Options on Foreign  Currencies for hedging purposes, such
transactions  nevertheless  involve  certain  risks.  For  example,  a  lack  of
correlation  between the instrument underlying an option or Futures Contract and
the assets being hedged, or unexpected adverse price movements, could render the
Series' hedging strategy  unsuccessful and  could result in  losses. The  Series
also  may  enter into  transactions in  options,  Futures Contracts,  Options on
Futures Contracts and Forward Contracts  for other than hedging purposes,  which
involves greater risk. In particular, such transactions may result in losses for
the  Series which are not offset by  gains on other portfolio positions, thereby
reducing gross income. In  addition, foreign currency  markets may be  extremely
volatile  from  time to  time.  There also  can be  no  assurance that  a liquid
secondary market will exist for any  contract purchased or sold, and the  Series
may be required to maintain a position until exercise or expiration, which could
result in losses. The Statement of Additional Information contains a description
of  the nature and  trading mechanics of options,  Futures Contracts, Options on
Futures Contracts,  Forward Contracts  and Options  on Foreign  Currencies,  and
includes a discussion of the risks related to transactions therein.

Transactions   in  Forward   Contracts  may   be  entered   into  only   in  the
over-the-counter market. Futures Contracts and Options on Futures Contracts  may
be  entered into  on U.S. exchanges  regulated by the  Commodity Futures Trading
Commission and on  foreign exchanges.  In addition, the  securities and  indexes
underlying options, Futures Contracts and Options on Futures Contracts traded by
the Series will include both domestic and foreign securities.

FOREIGN   SECURITIES:   The  Series   may   invest  in   dollar-denominated  and
non-dollar/denominated foreign securities.  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,  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. The  Series may hold  foreign currency received in
connection with investments in foreign securities  when, in the judgment of  the
Adviser,  it would be beneficial to convert such currency into U.S. dollars at a
later date, based  on anticipated  changes in  the relevant  exchange rate.  The
Series  may also  hold foreign  currency in  anticipation of  purchasing foreign
securities. See the Statement of  Additional Information for further  discussion
of  foreign  securities and  the holding  of  foreign currency,  as well  as the
associated risks.

AMERICAN  DEPOSITARY  RECEIPTS:  The  Series  may  invest  in  ADRs  which   are
certificates  issued  by a  U.S.  depository (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. Because ADRs  trade on  United States securities
exchanges, the Adviser does not treat them as foreign securities. However,  they
are  subject  to many  of the  risks of  foreign securities  such as  changes in
exchange rates and more limited information about foreign issuers.

EMERGING MARKET  SECURITIES:  The Series  may  invest in  emerging  markets.  In
addition to the general risks of investing in foreign securities, investments in
emerging  markets involve special risks. Securities  of many issuers in emerging
markets may  be less  liquid and  more volatile  than securities  of  comparable
domestic  issuers.  These securities  may be  considered speculative  and, while
generally offering higher income and the potential for capital appreciation, may
present  significantly  greater  risk.  Emerging  markets  may  have   different
clearance  and settlement  procedures, and  in certain  markets there  have been
times when  settlements  have  been unable  to  keep  pace with  the  volume  of
securities    transactions,    making    it    difficult    to    conduct   such

                                       9
<PAGE>
transactions. Delays  in settlement  could result  in temporary  periods when  a
portion  of  the assets  of the  Series is  uninvested and  no return  is earned
thereon. The inability of the Series to make intended security purchases due  to
settlement  problems  could  cause  the  Series  to  miss  attractive investment
opportunities. Inability to  dispose of portfolio  securities due to  settlement
problems  could result either in losses to the Series due to subsequent declines
in value  of the  portfolio securities  or, if  the Series  has entered  into  a
contract  to sell  the security,  possible liability  to the  purchaser. Certain
markets may require payment for securities before delivery. Securities prices in
emerging markets can be significantly more  volatile than in the more  developed
nations  of the world, reflecting the greater uncertainties of investing in less
established markets  and  economies.  In  particular,  countries  with  emerging
markets   may  have  relatively  unstable   governments,  present  the  risk  of
nationalization  of   businesses,   restrictions  on   foreign   ownership,   or
prohibitions of repatriation of assets, and may have less protection of property
rights  than more developed countries. The  economies of countries with emerging
markets may  be predominantly  based on  only a  few industries,  may be  highly
vulnerable  to changes in local or global  trade conditions, and may suffer from
extreme and volatile debt burdens  or inflation rates. Local securities  markets
may  trade a small number of securities and may be unable to respond effectively
to increases  in  trading  volume,  potentially  making  prompt  liquidation  of
substantial  holdings difficult  or impossible  at times.  Securities of issuers
located in countries with  emerging markets may  have limited marketability  and
may be subject to more abrupt or erratic movements.

Certain  emerging markets may require governmental approval for the repatriation
of investment income, capital or the proceeds of sales of securities by  foreign
investors.  In  addition,  if a  deterioration  occurs in  an  emerging market's
balance of  payments or  for other  reasons, a  country could  impose  temporary
restrictions  on  foreign capital  remittances.  The Series  could  be adversely
affected by delays in, or a refusal to grant, any required governmental approval
for repatriation of capital, as well as by the application to the Series of  any
restrictions on investments.

Investment in certain foreign emerging market debt obligations may be restricted
or  controlled to varying  degrees. These restrictions or  controls may at times
preclude investment  in certain  foreign emerging  market debt  obligations  and
increase the expenses of the Series.

RESTRICTED   SECURITIES:  The  Series  may  purchase  securities  that  are  not
registered under the  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"). The  Trust's Board  of  Trustees
determines, based upon a continuing review of the trading markets for a specific
Rule  144A security, whether such  security is illiquid and  thus subject to the
Series' limitation on investing not more than 15% of its net assets in  illiquid
investments,  or liquid and  thus not subject  to such limitation.  The Board of
Trustees has  adopted guidelines  and delegated  to MFS  the daily  function  of
determining  and monitoring  the liquidity of  Rule 144A  securities. The Board,
however, will retain sufficient oversight and be ultimately responsible for  the
determinations. The Board will carefully monitor the Series' investments in Rule
144A securities, focusing on such important factors, among others, as valuation,
liquidity  and availability of information.  This investment practice could have
the effect of increasing the  level of illiquidity in  the Series to the  extent
that qualified institutional buyers become for a time uninterested in purchasing
Rule  144A securities held in the Series'  portfolio. Subject to the Series' 15%
limitation on investments in illiquid investments, the Series may also invest in
restricted securities  that may  not be  sold under  Rule 144A,  which  presents
certain  risks.  As  a  result, the  Series  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.

NON-DIVERSIFICATION: The Series is "non-diversified," as that term is defined in
the Investment Company Act of 1940 ( the "1940 Act"), but intends to qualify  as
a  "regulated investment company" ("RIC") for  federal income tax purposes. This
means, in general, that although more than 5% of the Series' total assets may be
invested in the securities  of one issuer (including  a foreign government),  at
the  close of  each quarter  of its  taxable year  the aggregate  amount of such
holdings may not exceed 50% of the value  of its total assets, and no more  than
25%  of the value  of its total  assets may be  invested in the  securities of a
single issuer. To the extent that a non-diversified Series at times may hold the
securities of a  smaller number  of issuers than  if it  were "diversified"  (as
defined  in the 1940 Act),  the Series will at such  times be subject to greater
risk with respect  to its portfolio  securities than  a fund that  invests in  a
broader  range  of securities,  because changes  in  the financial  condition or
market assessment  of a  single issuer  may cause  greater fluctuations  in  the
Series' total return and the net asset value of its shares.
                              -------------------

                                       10
<PAGE>
SHORT-TERM  INVESTMENTS  FOR DEFENSIVE  PURPOSES  -- During  periods  of unusual
market conditions  when  the  Adviser  believes  that  investing  for  defensive
purposes  is appropriate, or in order to meet anticipated redemption requests, a
large portion  or all  of the  assets  of the  Series 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,
obligations issued  or  guaranteed  by  the U.S.  Government  or  its  agencies,
authorities or instrumentalities and related repurchase agreements. See Appendix
A  to  this Prospectus  for  a description  of  U.S. Government  obligations and
certain short-term investments.

PORTFOLIO TRADING -- The  Series intends to manage  its portfolio by buying  and
selling  securities, as well  as holding securities to  maturity, to help attain
its investment objectives and policies.

The Series will engage in portfolio trading if it believes a transaction, net of
costs (including  custodian  charges), will  help  in attaining  its  investment
objectives.  In trading portfolio securities, the Series seeks to take advantage
of market developments, yield disparities and variations in the creditworthiness
of issuers. For a description of the strategies which may be used by the  Series
in  trading  portfolio  securities, see  "Portfolio  Transactions  and Brokerage
Commissions" in the Statement of  Additional Information. Because the Series  is
expected  to  have a  portfolio turnover  rate of  over 100%,  transaction costs
incurred by the Series and the realized  capital gains and losses of the  Series
may be greater than that of a fund with a lesser portfolio turnover rate.

The  primary  consideration  in  placing  portfolio  security  transactions with
broker-dealers for execution  is to  obtain, and maintain  the availability  of,
execution  at  the  most  favorable  prices and  in  the  most  effective manner
possible. Consistent with the foregoing primary consideration, the Rules of Fair
Practice of the National  Association of Securities  Dealers, Inc. (the  "NASD")
and  such other policies as the Trustees of the Trust may determine, the Adviser
may consider sales  of Contracts for  which the Trust  is an investment  option,
together  with sales of shares  of other investment company  clients of MFS Fund
Distributors, Inc., the distributor of shares of the Trust and of the MFS Family
of Funds, as a factor in the selection of broker-dealers to execute the  Series'
portfolio  transactions.  From  time  to time  the  Adviser  may  direct certain
portfolio transactions to broker-dealer firms which, in turn, have agreed to pay
a portion of the Series' operating expenses (E.G., fees charged by the custodian
of the Series' assets). For a  further discussion of portfolio trading, see  the
Statement of Additional Information.
                              -------------------

The   Statement  of  Additional  Information  includes  a  discussion  of  other
investment policies and listing of specific investment restrictions which govern
the investment  policies of  the Series.  The specific  investment  restrictions
listed  in  the  Statement  of Additional  Information  may  be  changed without
shareholder approval unless indicated otherwise (see the Statement of Additional
Information). The Series' investment limitations 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.

7.  MANAGEMENT OF THE SERIES

The Trust's Board of Trustees, as part of its overall management responsibility,
oversees  various   organizations  responsible   for  the   Series'   day-to-day
management.

INVESTMENT  ADVISER -- MFS manages the Series pursuant to an Investment Advisory
Agreement with the  Trust on  behalf of  the Series  dated April  14, 1994  (the
"Advisory  Agreement"). MFS provides the Series with overall investment advisory
and administrative services, as  well as general  office facilities. Stephen  C.
Bryant,  a  Senior  Vice President  of  the  Adviser, is  the  Series' portfolio
manager. Mr. Bryant has been employed by the Adviser since 1987. Subject to such
policies as the Trustees may determine,  MFS makes investment decisions for  the
Series. For its services and facilities, MFS receives a management fee, computed
and  paid monthly,  in an amount  equal on an  annualized basis to  0.75% of the
Series' average daily net assets. For the Series' fiscal year ended December 31,
1994, MFS  received management  fees  under the  Series' Advisory  Agreement  of
$7,604 and assumed $36,473 of the Series' expenses. See "Expenses" below.

MFS  also serves  as investment adviser  to each of  the other funds  in the MFS
Family of Funds  (the "MFS  Funds") and to  MFS-Registered Trademark-  Municipal
Income Trust, MFS Multimarket Income Trust, MFS Government Markets Income Trust,
MFS  Intermediate  Income Trust,  MFS Charter  Income  Trust, MFS  Special Value
Trust, MFS Institutional Trust,  MFS Union Standard  Trust, MFS/Sun Life  Series
Trust,  Sun Growth Variable Annuity Fund, Inc. and seven variable accounts, each
of which is a registered investment

                                       11
<PAGE>
company established by Sun Life Assurance Company of Canada (U.S.) ("Sun Life of
Canada  (U.S.)")  in  connection  with  the  sale  of  Compass-2  and  Compass-3
combination  fixed/variable  annuity  contracts.  MFS  together  with  MFS Asset
Management, Inc., a wholly owned subsidiary of MFS, provide investment advice to
substantial private clients.

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 in the United States, Massachusetts  Investors
Trust.   Net  assets  under   the  management  of   the  MFS  organization  were
approximately $35  billion  on  behalf of  approximately  1.6  million  investor
accounts  as of March  31, 1995. As  of such date,  the MFS organization managed
approximately  $12  billion  of  assets   invested  in  equity  securities   and
approximately  $19.2  billion of  assets  invested in  fixed  income securities.
Approximately $2.9  billion  of  the  assets managed  by  MFS  are  invested  in
securities of foreign issuers and non-U.S. dollar-denominated securities of U.S.
issuers.  MFS is a subsidiary of  Sun Life of Canada (U.S.),  which in turn is a
subsidiary of Sun Life Assurance Company  of Canada ("Sun Life"). The  Directors
of  MFS are A. Keith Brodkin, Jeffrey L. Shames, Arnold D. Scott, John D. McNeil
and John R. Gardner. Mr.  Brodkin is the Chairman,  Mr. Shames is the  President
and  Mr. Scott is  the Secretary and  a Senior Executive  Vice President of MFS.
Messrs. McNeil and Gardner are the Chairman and President, respectively, of  Sun
Life.  Sun  Life,  a  mutual  life insurance  company,  is  one  of  the largest
international life  insurance companies  and has  been operating  in the  United
States  since  1895,  establishing  a  headquarters  office  here  in  1973. The
executive officers of MFS report to the Chairman of Sun Life.

A. Keith  Brodkin, the  Chairman and  a Director  of MFS,  is the  Chairman  and
President  of the Trust. W. Thomas London, Stephen E. Cavan, James R. Bordewick,
Jr., and James O.  Yost, all of whom  are officers of MFS,  are officers of  the
Trust.

From  time to time, the Adviser may  purchase, redeem and exchange shares of the
Series. The purchase by the Adviser of shares of the Series may have the  effect
of  lowering the Series' expense  ratio, while the redemption  by the Adviser of
shares of  the Series  may have  the effect  of increasing  the Series'  expense
ratio.

DISTRIBUTOR -- MFS Fund Distributors, Inc. ("MFD"), a wholly owned subsidiary of
MFS,  is the distributor of shares of  the Series and also serves as distributor
for certain of the other mutual funds managed by MFS.

SHAREHOLDER SERVICING  AGENT  --  MFS Service  Center,  Inc.  (the  "Shareholder
Servicing  Agent"), a wholly owned subsidiary  of MFS, performs transfer agency,
certain dividend disbursing agency and other services for the Series.

8.  INFORMATION CONCERNING SHARES OF THE SERIES

PURCHASES AND REDEMPTIONS

The separate accounts of the  Participating Insurance Companies place orders  to
purchase  and redeem  shares of  the Series  based on,  among other  things, the
amount of premium payments to be invested and surrender and transfer requests to
be effected on that day pursuant to Contracts. Orders received by the Trust  are
effected  on days on which the Exchange is open for trading. For orders received
by the Trust before  the close of  regular trading on  the Exchange (normally  4
p.m.  eastern time), such purchases and redemptions  of the shares of the Series
are effected at  the net asset  value per share  determined as of  the close  of
regular  trading  on  the Exchange  on  that same  day.  Participating Insurance
Companies shall  be  the designee  of  the Trust  for  receipt of  purchase  and
redemption  orders  from Contract  holders and  receipt  by such  designee shall
constitute receipt by the Trust; provided that the Trust receives notice of such
order by 9:30 a.m. eastern time on the next following day on which the  Exchange
is open for trading. Payment for shares shall be by federal funds transmitted by
wire and must be received by 2:00 p.m. eastern time on the next following day on
which  the Exchange is  open for trading  after the purchase  order is received.
Redemption proceeds shall be by federal  funds transmitted by wire and shall  be
sent  by 2:00 p.m. eastern time on the  next following day on which the Exchange
is open for trading after  the redemption order is  received. No fee is  charged
the shareholders when they redeem Series shares.

The  offering of shares of the Series may  be suspended for a period of time and
the Series reserves the  right to refuse any  specific purchase order.  Purchase
orders  may be  refused if, in  the Adviser's opinion,  they are of  a size that
would disrupt the management of the Series.  The Trust may suspend the right  of
redemption  of shares of the Series and may postpone payment for any period: (i)
during which the  Exchange is closed  other than customary  weekend and  holiday
closings  or during which trading  on the Exchange is  restricted; (ii) when the
SEC determines  that a  state of  emergency  exists which  may make  payment  or
transfer  not reasonably practicable; (iii)  as the SEC may  by order permit for
the protection of the security  holders of the Trust; or  (iv) at any time  when
the  Trust may, under applicable laws, rules and regulations, suspend payment on
the redemption of its shares.

                                       12
<PAGE>
Should any conflict between  Contract holders arise which  would require that  a
substantial amount of net assets be withdrawn from the Series, orderly portfolio
management could be disrupted to the potential detriment of such Contract.

NET ASSET VALUE

The  net asset value per share of the Series is determined each day during which
the Exchange is open  for trading. This determination  is made once during  each
such  day as of  the close of regular  trading on the  Exchange by deducting the
amount of  the Series'  liabilities from  the value  of the  Series' assets  and
dividing  the  difference by  the number  of shares  of the  Series outstanding.
Values of assets in the Series' portfolio  are determined on the basis of  their
market  or  other  fair  value,  as described  in  the  Statement  of Additional
Information. All  investments,  assets and  liabilities  are expressed  in  U.S.
dollars based upon current currency exchange rates.

DISTRIBUTIONS

Substantially  all of the Series' net investment income for any calendar year is
declared as dividends  and paid to  its shareholders as  dividends on an  annual
basis.  In addition, the  Series may make  one or more  distributions during the
calendar year to its shareholders from any long-term capital gains, and may also
make one  or more  distributions  to its  shareholders from  short-term  capital
gains.  In determining the net investment income available for distribution, the
Series may rely on projections of  its anticipated net investment income  (which
may  include  short-term capital  gains from  the sales  of securities  or other
assets, and, if allowed  by the Series'  investment restrictions, premiums  from
options  written), over  a longer  term, rather  than its  actual net investment
income for the period.

Shareholders of any  of the Series  may elect to  receive dividends and  capital
gain distributions in either cash or additional shares.

TAX STATUS

The  Series of the Trust is treated as  a separate entity for federal income tax
purposes. In order to minimize the taxes the Series would otherwise be  required
to  pay, the  Series intends  to qualify  each year  as a  "regulated investment
company" under Subchapter  M of the  Internal Revenue Code  of 1986, as  amended
("the  Code"), and to make distributions  to its shareholders in accordance with
the timing requirements imposed by the Code. It is not expected that the  Series
will be required to pay entity level federal income or excise taxes.

Shares  of the Series are offered only to the Participating Insurance Companies'
separate accounts that  fund Contracts. See  the applicable Contract  prospectus
for  a  discussion of  the  federal income  tax  treatment of  (1)  the separate
accounts that  purchase  and hold  Series  shares and  (2)  the holders  of  the
Contracts   that  are  funded  through  those   accounts.  In  addition  to  the
diversification requirements  of  Subchapter M  of  the Code,  the  Series  also
intends  to diversify its assets as required  by Code Section 817(h)(1), and the
regulations thereunder. See  also "Tax  Status" in the  Statement of  Additional
Information."

DESCRIPTION OF SHARES, VOTING RIGHTS AND LIABILITIES

Each  of  the twelve  series of  the Trust  currently has  one class  of shares,
entitled Shares  of  Beneficial Interest  (without  par value).  The  Trust  has
reserved  the right to create and issue additional classes and series of shares,
in which case each class  of shares of the  series would participate equally  in
the earnings, dividends and assets attributable to that class of that particular
series. Shareholders are entitled to one vote for each share held, and shares of
each  such series are entitled to vote separately to approve investment advisory
agreements or changes in investment restrictions with respect to the series, but
shares of  the twelve  series vote  together  in the  election of  Trustees  and
selection  of accountants. Additionally, the series  will vote separately on any
other matter that affects  solely the series, but  will otherwise vote  together
with  all other series on  all other matters. The Trust  does not intend to hold
annual shareholder meetings. The  Declaration of Trust  provides that a  Trustee
may  be removed  from office in  certain instances. See  "Description of Shares,
Voting Rights and Liabilities" in the Statement of Additional Information.

The shares of  each series  represents an  equal proportionate  interest in  the
series  with each  share, subject to  the liabilities of  the particular series.
Shares have  no pre-emptive  or conversion  rights. Shares  are fully  paid  and
non-assessable.  Should  a series  be liquidated,  shareholders are  entitled to
share PRO RATA  in the net  assets available for  distribution to  shareholders.
Shares  will  remain  on  deposit  with  the  Shareholder  Servicing  Agent  and
certificates will not be issued.

                                       13
<PAGE>
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  risk of  a  shareholder incurring  financial  loss on  account  of
shareholder  liability  is limited  to  circumstances in  which  both inadequate
insurance existed (E.G., fidelity bonding and omission insurance) and the  Trust
itself was unable to meet its obligations.

As  of December  31, 1994,  Century Life  of America,  on behalf  of its Century
Variable Annuity Account, 2000  Heritage Way, Waverly,  Iowa 50677-9208 was  the
owner  of approximately 69%  of the outstanding shares  of the World Governments
Series. As of December 31, 1994, Massachusetts Financial Services Company  Inc.,
500  Bolyston  Street,  Boston,  Massachusetts  02116-3740,  was  the  owner  of
approximately 30% of the outstanding shares of the World Governments Series.

PERFORMANCE INFORMATION

The Series' performance may be quoted in advertising in terms of yield and total
return. Performance  is based  on  historical results  and  is not  intended  to
indicate  future  performance. Performance  quoted for  the Series  includes the
effect of  deducting the  Series'  expenses, but  may  not include  charges  and
expenses  attributable  to  the particular  insurance  product.  Excluding these
charges from quotations of the Series' performance has the effect of  increasing
the  performance quoted.  Performance for the  Series will vary  based on, among
other things, changes in market conditions, the level of interest rates and  the
level  of  the  Series'  expenses.  For  further  information  about  the  World
Governments Series' performance  for the  fiscal year ended  December 31,  1994,
please  see  the Series'  annual report.  A copy  of this  annual report  may be
obtained without charge by contacting the Shareholder Servicing Agent (see  back
cover for address and phone number).

From  time to  time, quotations  of the  Series' total  return and  yield may be
included in  advertisements,  sales literature  or  reports to  shareholders  or
prospective  investors. The total return of the Series refers to return assuming
an investment has been held in the Series  for one year and for the life of  the
Series  (the ending date of  which will be stated).  The total return quotations
may be expressed in terms  of average annual or  cumulative rates of return  for
all  periods quoted.  Average annual total  return refers to  the average annual
compound rate of return of an investment in the Series. Cumulative total  return
represents  the cumulative change in value of  an investment in the Series. Both
will assume that all dividends and capital gains distributions were  reinvested.
The  yield of the Series refers to net investment income generated by the Series
over a specified 30-day (or one month) period. This income is then "annualized."
That is, the amount of income generated by the Series during that 30-day (or one
month) period is assumed to be generated over a 12-month period and is shown  as
a percentage of net asset value.

EXPENSES

The  Trust pays the compensation of the Trustees who are not officers of MFS and
all expenses of the Series (other than  those assumed by MFS) including but  not
limited  to: governmental fees; interest charges;  taxes; membership dues in the
Investment Company  Institute allocable  to  the Series;  fees and  expenses  of
independent  auditors, of legal counsel, and of any transfer agent, registrar or
dividend disbursing agent of the Series; 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 Investors Bank &
Trust  Company, the Trust's Custodian, for all services to the Series, including
safekeeping of funds and securities and maintaining required books and accounts;
expenses of  calculating  the net  asset  value of  shares  of the  Series;  and
expenses   of  shareholder   meetings.  Expenses   relating  to   the  issuance,
registration and  qualification of  shares of  the Series  and the  preparation,
printing  and mailing of  prospectuses are borne  by the Series  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 of the Trust are  allocated between the Trust's twelve series
in a manner believed by management of the Trust to be fair and equitable.

MFS has agreed to pay  until December 31, 2004 the  expenses of the Series  such
that  the Series' aggregate  operating expenses do not  exceed, on an annualized
basis, 1.00%  of its  average daily  net assets;  provided, however,  that  this
obligation  may be terminated or revised at  any time by MFS without the consent
of the Trust or the Series by notice in writing from MFS to the Trust on  behalf
of  the Series. Such payments by MFS are subject to reimbursement by the Series,
which will  be  accomplished  by  the  payment  by  the  Series  of  an  expense
reimbursement  fee  to MFS  computed and  paid  monthly at  a percentage  of its
average daily net  assets for its  then current fiscal  year, with a  limitation
that immediately after such payment the aggregate operating

                                       14
<PAGE>
expenses  of the Series would  not exceed, on an  annualized basis, 1.00% of its
average daily net assets. The expense reimbursement agreement terminates for the
Series on the  earlier of  the date  on which  payments made  thereunder by  the
Series  equal the prior payment of such reimbursable expenses by MFS or December
31, 2004.

SHAREHOLDER COMMUNICATIONS

Owners of Contracts issued by Participating Insurance Companies for which shares
of the Series  are the investment  vehicle will receive  from the  Participating
Insurance  Companies  semi-annual  financial  statements  and  audited  year-end
financial statements  certified  by  the Trust's  independent  certified  public
accountants.  Each report will show  the investments owned by  the Trust and the
valuations thereof  as  determined  by  the  Trustees  and  will  provide  other
information about the Trust and its operations.

Participating  Insurance Companies with  inquiries regarding the  Trust may call
the Trust's Shareholder Servicing Agent. (See  back cover for address and  phone
number.)
                              -------------------

The  Statement  of Additional  Information  for the  Trust,  dated May  1, 1995,
contains more  detailed  information  about the  Series,  including  information
related to: (i) the investment policies and restrictions of the Series; (ii) the
Trustees,  officers  and  investment  adviser  of  the  Trust;  (iii)  portfolio
transactions; (iv) the shares of the Series, including rights and liabilities of
shareholders; (v) the method  used to calculate yield  and total rate of  return
quotations of the Series; (vi) the determination of net asset value of shares of
the Series; and (vii) certain voting rights of shareholders of the Series.

                                       15
<PAGE>
                                                                      APPENDIX A

               DESCRIPTION OF OBLIGATIONS ISSUED OR GUARANTEED BY
           U.S. GOVERNMENT AGENCIES, AUTHORITIES OR INSTRUMENTALITIES

U.S.  GOVERNMENT  OBLIGATIONS --  are issued  by the  U.S. Treasury  and include
bills,  certificates   of   indebtedness,   notes  and   bonds.   Agencies   and
instrumentalities  of the U.S. Government are established under the authority of
an act of Congress  and include, but  are not limited  to, the Tennessee  Valley
Authority,  the Bank for Cooperatives,  the Farmers Home Administration, Federal
Home Loan Banks, Federal  Intermediate Credit Banks and  Federal Land Banks,  as
well as those listed below.

FEDERAL  FARM CREDIT CONSOLIDATED SYSTEMWIDE NOTES AND BONDS -- are bonds issued
by a cooperatively owned nationwide system of banks and associations  supervised
by  the Farm Credit Administration.  These bonds are not  guaranteed by the U.S.
Government.

MARITIME  ADMINISTRATION  BONDS  --  are  bonds  issued  by  the  Department  of
Transportation of the U.S. Government.

FHA DEBENTURES -- are debentures issued by the Federal Housing Administration of
the  U.S. Government  and are fully  and unconditionally guaranteed  by the U.S.
Government.

GNMA  CERTIFICATES  --  are  mortgage-backed  securities,  with  timely  payment
guaranteed  by the full faith and credit of the U.S. Government, which represent
a partial ownership interest in a pool of mortgage loans issued by lenders  such
as  mortgage bankers, commercial  banks and savings  and loan associations. Each
mortgage loan included in the pool is also insured or guaranteed by the  Federal
Housing   Administration,  the  Veterans  Administration  or  the  Farmers  Home
Administration.

FEDERAL HOME LOAN MORTGAGE CORPORATION ("FHLMC")  BONDS -- are bonds issued  and
guaranteed  by the Federal Home Loan Mortgage Corporation and are not guaranteed
by the U.S. Government.

FEDERAL HOME LOAN BANK BONDS -- are  bonds issued by the Federal Home Loan  Bank
System and are not guaranteed by the U.S. Government.

FINANCING  CORPORATION  BONDS  AND  NOTES  -- are  bonds  and  notes  issued and
guaranteed by the Financing Corporation.

FEDERAL NATIONAL MORTGAGE ASSOCIATION BONDS  -- are bonds issued and  guaranteed
by  the Federal National Mortgage Association and are not guaranteed by the U.S.
Government.

RESOLUTION FUNDING CORPORATION BONDS AND NOTES -- are bonds and notes issued and
guaranteed by the Resolution Funding Corporation.

STUDENT LOAN MARKETING ASSOCIATION ("SLMA") DEBENTURES -- are debentures  backed
by  the Student Loan  Marketing Association and  are not guaranteed  by the U.S.
Government.

TENNESSEE VALLEY AUTHORITY  BONDS AND NOTES  -- are bonds  and notes issued  and
guaranteed by the Tennessee Valley Authority.

Some  of the foregoing obligations, such as Treasury bills and GNMA pass-through
certificates, are supported by the full faith and credit of the U.S. Government;
others, such as securities of  FNMA, by the right of  the issuer to borrow  from
the  U.S. Treasury; still  others, such as  bonds issued by  SLMA, are supported
only by the credit of  the instrumentality. No assurance  can be given that  the
U.S. Government will provide financial support to instrumentalities sponsored by
the  U.S. Government as it is not obligated  by law, in certain instances, to do
so.

Although this  list  includes  a  description  of  the  primary  types  of  U.S.
Government  agency,  authorities  or instrumentality  obligations  in  which the
Series may  invest, the  Series may  invest in  obligations of  U.S.  Government
agencies or instrumentalities other than those listed above.

  DESCRIPTION OF SHORT-TERM INVESTMENTS OTHER THAN U.S. GOVERNMENT OBLIGATIONS

CERTIFICATES  OF DEPOSIT -- are certificates issued against funds deposited in a
bank (including eligible  foreign branches of  U.S. banks), are  for a  definite
period of time, earn a specified rate of return and are normally negotiable.

BANKERS'  ACCEPTANCES --  are marketable  short-term credit  instruments used to
finance the  import, export,  transfer  or storage  of  goods. They  are  termed
"accepted" when a bank guarantees their payment at maturity.

COMMERCIAL  PAPER -- refers to promissory  notes issued by corporations in order
to finance their short-term credit needs.

CORPORATE OBLIGATIONS -- include bonds and notes issued by corporations in order
to finance long-term credit needs.

                                      A-1
<PAGE>
INVESTMENT ADVISER
Massachusetts Financial Services Company
500 Boylston Street, Boston, MA 02116
(617) 954-5000
(800) 637-8730

DISTRIBUTOR
MFS Fund Distributors, Inc.
500 Boylston Street, Boston, MA 02116
(617) 954-5000
CUSTODIAN
Investors Bank & Trust Company
89 South Street, Boston, MA 02111

DIVIDEND DISBURSING AGENT
State Street Bank and Trust Company
225 Franklin Street, Boston, MA 02110

SHAREHOLDER SERVICING AGENT
MFS Service Center, Inc.
500 Boylston Street, Boston, MA 02116
Toll free: (800) 637-8730
MAILING ADDRESS:
P.O. Box 1400, Boston, MA 02104-9985
INDEPENDENT ACCOUNTANTS
Deloitte & Touche LLP
125 Summer Street, Boston, MA 02110

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

                           MFS-REGISTERED TRADEMARK-
                                     WORLD
                                  GOVERNMENTS
                                   SERIES-SM-

                                   PROSPECTUS

                                  MAY 1, 1995

             MFS-REGISTERED TRADEMARK- WORLD GOVERNMENTS SERIES-SM-

                     500 Boylston Street, Boston, MA 02116

                            ------------------------
<PAGE>

<TABLE>
<S>                               <C>
MFS-REGISTERED TRADEMARK- WORLD
GOVERNMENTS                       STATEMENT OF
SERIES-SM-                        ADDITIONAL INFORMATION

                                                            MAY 1, 1995
</TABLE>

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

<TABLE>
<CAPTION>
                                                                                                                 Page
                                                                                                                 -----
<C>        <S>                                                                                                <C>
       1.  General Information and Definitions..............................................................           2
       2.  Investment Techniques............................................................................           2
       3.  Investment Restrictions..........................................................................          16
       4.  Management of the Trust..........................................................................          17
           Trustees.........................................................................................          17
           Officers.........................................................................................          17
           Investment Adviser...............................................................................          18
           Investment Advisory Agreement....................................................................          18
           Custodian........................................................................................          19
           Shareholder Servicing Agent......................................................................          19
           Distributor......................................................................................          19
       5.  Portfolio Transactions and Brokerage Commissions.................................................          19
       6.  Tax Status.......................................................................................          21
       7.  Net Income and Distributions.....................................................................          22
       8.  Determination of Net Asset Value; Performance Information........................................          22
       9.  Description of Shares, Voting Rights and Liabilities.............................................          24
      10.  Independent Accountants and Financial Statements.................................................          24
</TABLE>

MFS-Registered Trademark- WORLD GOVERNMENTS SERIES-SM-
A Series of MFS-Registered Trademark- Variable Insurance Trust-SM-
500 Boylston Street, Boston, Massachusetts 02116
(617) 954-5000

This  Statement of Additional Information sets forth information which may be of
interest to  investors but  which is  not necessarily  included in  the  Series'
Prospectus,  dated May 1, 1995 as supplemented from time to time. This Statement
of Additional Information 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 STATEMENT OF ADDITIONAL INFORMATION IS  NOT A PROSPECTUS AND IS  AUTHORIZED
FOR  DISTRIBUTION TO PROSPECTIVE INVESTORS ONLY  IF PRECEDED OR ACCOMPANIED BY A
CURRENT PROSPECTUS.

                                                                UST-13 12/93 785
<PAGE>
1.  GENERAL INFORMATION AND DEFINITIONS

MFS World Governments Series (the "World Governments Series" or the "Series") is
a  non-diversified  series of  MFS Variable  Insurance  Trust (the  "Trust"), an
open-end management  investment company  with twelve  separate series,  each  of
which  is a segregated,  separately managed portfolio.  Additional series may be
created by the Trustees from time to time. Shares of the Series will be  offered
to  the  separate  accounts  of  certain  insurance  companies  (individually, a
"Participating Insurance Company" and collectively, the "Participating Insurance
Companies") that  fund  certain variable  annuity  and variable  life  insurance
contracts  (the "Contracts").  The Series offers  its shares  using a prospectus
dated  May  1,  1995,  as  supplemented  or  amended  from  time  to  time  (the
"Prospectus").

The  Series' investment adviser and  distributor is, respectively, Massachusetts
Financial Services Company ("MFS" or  the "Adviser") and MFS Fund  Distributors,
Inc. ("MFD" or the "Distributor"), each a Delaware corporation.

2.  INVESTMENT TECHNIQUES

LENDING  OF PORTFOLIO SECURITIES: The Series 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, cash  equivalents 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.  The Series 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, the Series would continue to receive the  equivalent
of  the interest or  dividends paid by  the issuer on  the securities loaned and
would also  receive compensation  from  the investment  of the  collateral.  The
Series  would not, however, have the right  to vote any securities having voting
rights during the existence of the loan,  but the Series 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. If the  Adviser determines to  make
securities  loans, it is intended that the  value of the securities loaned would
not exceed 25% of the value of the Series' net assets.

REPURCHASE AGREEMENTS:  The Series  may enter  into repurchase  agreements  with
sellers  who  are member  firms (or  a  subsidiary thereof)  of the  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 the Series 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 the Series,  or the purchase  and repurchase prices  may be the  same,
with  interest at a standard rate due to the Series together with the repurchase
price on repurchase. In either  case, the income to  the Series is unrelated  to
the interest rate on the Government securities.

The  repurchase agreement provides that in the event the seller fails to pay the
price agreed upon on the agreed upon  delivery date or upon demand, as the  case
may  be, the Series will  have the right to liquidate  the securities. If at the
time the Series 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,  the Series' exercise of its
right to liquidate the  securities may be delayed  and result in certain  losses
and costs to the Series. The Series has adopted and follows procedures which are
intended to minimize the risks of repurchase agreements. For example, the Series
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 the  Series has the right to make  margin
calls  at any time  if the value of  the securities falls  below the agreed upon
margin.

MORTGAGE "DOLLAR ROLL" TRANSACTIONS: The Series 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, the
Series foregoes principal and interest  paid on the mortgage-backed  securities.
The  Series is compensated for  the lost interest by  the difference between the
current sales price and the lower price for

                                       2
<PAGE>
the future purchase (often referred to as the "drop") as well as by the interest
earned on  the  cash proceeds  of  the initial  sale.  The Series  may  also  be
compensated  by receipt of  a commitment fee.  In the event  that the party with
whom the  Series contracts  to  replace substantially  similar securities  on  a
future  date fails  to deliver such  securities, the  Series may not  be able to
obtain such securities at the price specified in such contract and thus may  not
benefit  from the  price differential  between the  current sales  price and the
repurchase price.

COLLATERALIZED MORTGAGE OBLIGATIONS AND MULTICLASS PASS-THROUGH SECURITIES:  The
Series 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 series 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 the series 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 principals
of interest payments or principal payments.

The Series 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.

STRIPPED  MORTGAGE-BACKED SECURITIES:  The Series  may invest  a portion  of its
assets in  stripped mortgage-backed  securities  ("SMBS") which  are  derivative
multiclass mortgage securities issued by agencies of 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  "IO"
class)   while  the  other  class  will   receive  all  of  the  principal  (the
principal-only or  "PO" class).  The yield  to maturity  on an  IO 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,  the Series 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.

MORTGAGE PASS-THROUGH SECURITIES: The Series 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 the  Series 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
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.

                                       3
<PAGE>
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 FHA-insured or 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.  The  Series  may  also  buy  mortgage-related  securities without
insurance or guarantees.

INDEXED SECURITIES: The Series may purchase securities 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.  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-

                                       4
<PAGE>
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.

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 agencies.

SWAPS AND RELATED TRANSACTIONS: The Series  may enter into interest rate  swaps,
currency  swaps  and other  types of  available swap  agreements, such  as caps,
collars and floors.

Swap agreements  may  be  individually  negotiated  and  structured  to  include
exposure  to  a variety  of different  types of  investments or  market factors.
Depending on  their structure,  swap  agreements may  increase or  decrease  the
Series'  exposure to long or short-term interest  rates (in the U.S. or abroad),
foreign currency  values, mortgage  securities,  corporate borrowing  rates,  or
other  factors such as securities prices or inflation rates. Swap agreements can
take many different forms and are known by a variety of names. The Series is not
limited to any particular form or variety of swap agreement if MFS determines it
is consistent with the Series' investment objectives and policies.

The Series will maintain cash or appropriate liquid assets with its custodian to
cover its current obligations under swap transactions. If the Series enters into
a swap agreement on a net basis  (I.E., the two payment streams are netted  out,
with  the Series receiving or paying, as the case may be, only the net amount of
the two  payments), the  Series will  maintain cash  or liquid  assets with  its
Custodian  with a  daily value  at least  equal to  the excess,  if any,  of the
Series' accrued obligations under the swap agreement over the accrued amount the
Series is entitled to receive under the  agreement. If the Series enters into  a
swap agreement on other than a net basis, it will maintain cash or liquid assets
with  a value equal to the full  amount of the Series' accrued obligations under
the agreement.

The most  significant factor  in  the performance  of  swaps, caps,  floors  and
collars  is the change in  the specific interest rate,  currency or other factor
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 the Series 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 the Series, the Series  must be prepared to make  such payments when due.  In
addition, if the counterparty's creditworthiness declined, the value of the swap
agreement would be likely to decline, potentially resulting in losses.

If  the counterparty  defaults, the  Series' risk  of loss  consists of  the net
amount of payments  that the Series  is contractually entitled  to receive.  The
Series  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.

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

A call option written by the Series is "covered" if the Series 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 held in a segregated account by its custodian) upon conversion  or
exchange  of  other securities  held in  its  portfolio. A  call option  is also
covered if  the Series  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  the  difference is
maintained by the Series  in cash, short-term money  market instruments or  high
quality debt securities in a segregated account with its custodian. A put option
written  by the  Series is  "covered" if  the Series  maintains cash, short-term
money market instruments or high-quality debt  securities with a value equal  to
the  exercise price in a segregated account  with its custodian, 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

                                       5
<PAGE>
held  is less than  the exercise price of  the put written  if the difference is
maintained by  the  Series  in  cash, short-term  money  market  instruments  or
high-quality debt securities in a segregated account with its custodian. Put and
call  options written by the Series may also  be covered in such other manner as
may be in  accordance with the  requirements of  the exchange on  which, or  the
counter  party  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
the Series 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 the Series to write another put option to the extent that
the exercise price thereof is secured by deposited cash, short-term money market
instruments or high-quality debt securities. Such transactions permit the Series
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 the Series, provided  that another option on such security
is not written. If  the Series 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.

The  Series will realize a profit from a closing transaction if the premium paid
in connection with the closing of an  option written by the Series 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  the Series is more  than
the premium paid for the original purchase. Conversely, the Series 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 the
Series is  likely to  be offset  in  whole or  in part  by appreciation  of  the
underlying security owned by the Series.

The Series may write options in connection with buy-and-write transactions; that
is, the Series may purchase a security and then write a call option against that
security.  The exercise price  of the call  the Series 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,  the Series' maximum gain
will be the premium received by it  for writing the option, adjusted upwards  or
downwards  by the difference between the  Series' 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 the Series' 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, the Series may elect
to close the position or retain the option until it is exercised, at which  time
the  Series will be  required to take  delivery of the  security at the exercise
price; the Series' 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  the  Series  in  the  same  market
environments   that   call  options   are   used  in   equivalent  buy-and-write
transactions.

The Series 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, the Series 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  the Series  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

                                       6
<PAGE>
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, the Series  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, the Series 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 the  Series 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.

The  Series may 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 the
Series to sell the securities at the exercise price, or to close out the options
at a profit. By using put options in this way, the Series 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.

The Series may purchase call options to  hedge against an increase in the  price
of  securities that  the Series  anticipates purchasing  in the  future. If such
increase occurs,  the  call  option  will permit  the  Series  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 the Series upon exercise of the option, and, unless
the  price of the underlying security  rises sufficiently, the option may expire
worthless to the Series.

YIELD CURVE OPTIONS: The Series 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, the  Series may  purchase or  write such  options for
hedging purposes. For  example, the  Series 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.  The Series  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,
the Series 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 the Series will  be "covered". A call (or  put) option is covered  if
the Series holds another call (or put) option on the spread between the same two
securities and maintains in a segregated account with its custodian cash or cash
equivalents sufficient to cover the Series' net liability under the two options.
Therefore,  the Series' liability for such a covered option is generally limited
to the difference between the amount  of the Series' liability under the  option
written  by the Series  less the value of  the option held  by the Series. 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.

The staff of  the SEC  has taken  the position  that purchased  over-the-counter
options  and assets used to cover  written over-the-counter options are illiquid
and, therefore, together with other illiquid securities, cannot exceed a certain
percentage of the Series' assets  (the "SEC illiquidity ceiling"). Although  the
Adviser  disagrees with this position, the  Adviser intends to limit the Series'
writing of over-the-counter options in accordance with the following  procedure.
Except  as provided below, the Series  intends to write over-the-counter options
only with primary U.S. Government  securities dealers recognized by the  Federal
Reserve Bank of New York. Also, the contracts which the Series has in place with
such  primary dealers  will provide  that the Series  has the  absolute right to
repurchase an option it writes at any time at a price which represents the  fair
market  value,  as  determined in  good  faith through  negotiation  between the
parties, but which  in no event  will exceed  a price determined  pursuant to  a
formula  in  the  contract.  Although  the  specific  formula  may  vary between
contracts with different primary dealers, the

                                       7
<PAGE>
formula will generally be  based on a  multiple of the  premium received by  the
Series  for  writing  the option,  plus  the  amount, if  any,  of  the option's
intrinsic value (I.E., the amount that the option is in-the-money). The  formula
may also include a factor to account for the difference between the price of the
security  and the strike  price of the  option if the  option is written out-of-
money. The Series will treat all or a part of the formula price as illiquid  for
purposes   of  the   SEC  illiquidity  ceiling.   The  Series   may  also  write
over-the-counter options with  non-primary dealers,  including foreign  dealers,
and  will treat the assets used to  cover these options as illiquid for purposes
of such SEC illiquidity ceiling.

FUTURES CONTRACTS: The Series may purchase and sell futures contracts  ("Futures
Contracts")  on foreign or  domestic fixed income securities  or indices of such
securities. The  Series  may purchase  and  sell Futures  Contracts  on  foreign
currencies  or indices of foreign currencies. 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 or foreign currency, 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 date on which, in the case of the majority of interest rate
and foreign currency futures contracts, the fixed income securities or  currency
are  delivered by the seller and paid for  by the purchaser, or on which, in the
case of stock  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."

Interest  rate Futures Contracts may be purchased  or sold to attempt to protect
against the effects of interest rate changes on the Series' current or  intended
investments  in  fixed  income  securities. For  example,  if  the  Series owned
long-term bonds and interest rates were  expected to increase, the Series  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
the  Series' portfolio. If  interest rates did  increase, the value  of the debt
securities in the portfolio would decline, but the value of the Series' interest
rate futures contracts would  increase at approximately  the same rate,  thereby
keeping the net asset value of the Series 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,
the  Series 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 the Series' cash reserves  could
then  be  used to  buy  long-term bonds  on the  cash  market. The  Series 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 is more  liquid than the cash market, the  use
of  interest rate futures contracts as a  hedging technique allows the Series to
hedge its interest rate risk without having to sell its portfolio securities.

As noted in the  Prospectus, the Series 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 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. The Series 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.

                                       8
<PAGE>
Conversely, the  Series 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 the Series  purchases futures contracts under such
circumstances, however,  and the  prices of  securities to  be acquired  instead
decline,  the Series  will sustain  losses on  its futures  position which could
reduce or eliminate the benefits of the reduced cost of portfolio securities  to
be acquired.

OPTIONS  ON FUTURES CONTRACTS: The Series may  purchase and write options to buy
or sell those  Futures Contracts  in which it  may invest  ("Options on  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  series (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 the trader's profit
or loss on the transaction.

Options on Futures Contracts that are written or purchased by the Series 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
Commodities  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.

The  Series  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 the difference is
maintained by the Series in cash or securities in a segregated account with  its
custodian.  The Series may cover the writing of put Options on Futures Contracts
(a) through sales of the underlying Futures Contract, (b) through segregation of
cash, short-term money market instruments or high quality debt securities in  an
amount  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 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 the  difference is maintained by  the Series in cash,  short-term
money market instruments or high quality debt securities in a segregated account
with  its  custodian. 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 the Series, the
Series will be required  to sell the underlying  Futures Contract which, if  the
Series  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 the Series is exercised, the Series will be required
to purchase the underlying Futures Contract which, if the Series 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,  the
Series  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 the Series' 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, the  Series will retain the  full amount of the option
premium which provides a partial hedge against any

                                       9
<PAGE>
increase in the price of securities which  the Series intends to purchase. If  a
put  or call option the Series has written is exercised, the Series 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, the  Series'
losses  from existing Options on Futures Contracts may to some extent be reduced
or increased by changes in the value of portfolio securities.

The Series  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, the
Series 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  the Series  will  increase  prior to
acquisition, due to a market advance  or changes in interest or exchange  rates,
the  Series  could  purchase  call Options  on  Futures  Contracts,  rather than
purchasing the underlying Futures Contracts.

FORWARD CONTRACTS ON FOREIGN CURRENCY: The Series may enter into forward foreign
currency exchange contracts for hedging and non-hedging purposes  (collectively,
"Forward  Contracts"). Forward Contracts  may be used for  hedging to attempt to
minimize the risk to the Fund  from adverse changes in the relationship  between
the  U.S. dollar and foreign currencies. The Series intend to enter into Forward
Contracts for hedging purposes  similar to those  described above in  connection
with  foreign currency futures  contracts. In particular,  a Forward Contract to
sell a currency may be  entered into in lieu of  the sale of a foreign  currency
futures  contract  where  the Series  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,
the Series 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 the  Series intends to  acquire. The  Series
also  may  enter  into  a  Forward  Contract in  order  to  assure  itself  of a
predetermined  exchange  rate  in  connection  with  a  fixed  income   security
denominated  in  a foreign  currency.  In addition,  the  Series may  enter into
Forward Contracts for "cross hedging" purposes (E.G., the purchase or sale of  a
Forward   Contract  on  one  type  of  currency,  as  a  hedge  against  adverse
fluctuations in the value of a second type of currency).

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

The Series may also enter into transactions in Forward Contracts for other  than
hedging  purposes,  which presents  greater profit  potential but  also involves
increased risk. For example,  the Series 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, the Series
may  sell the currency through  a Forward Contract if  the Adviser believes that
its value will decline relative to the dollar.

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

The  Series has established procedures consistent with statements by the SEC and
its staff  regarding  the use  of  Forward Contracts  by  registered  investment
companies,  which require the use of segregated assets or "cover " in connection
with the purchase and sale  of such contracts. In  those instances in which  the
Series  satisfies  this  requirement  through  segregation  of  assets,  it will
maintain, in a segregated account,  cash, cash equivalents or high-quality  debt
securities,  which will be marked to market on a daily basis, in an amount equal
to the value of its commitments  under Forward Contracts. While these  contracts
are  not presently  regulated by  the CFTC,  the CFTC  may in  the future assert
authority to regulate Forward Contracts. In  such event, the Series' ability  to
utilize Forward Contracts in the manner set forth above may be restricted.

                                       10
<PAGE>
OPTIONS  ON FOREIGN  CURRENCIES: The  Series may  purchase and  write options on
foreign currencies for  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,
the Series may purchase put options on the foreign currency. If the value of the
currency  does decline, the Series 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,  the Series may purchase call  options thereon. The purchase of such
options could offset, at least partially,  the effects of the adverse  movements
in  exchange  rates. As  in the  case of  other types  of options,  however, the
benefit to the Series 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, the Series 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.

The Series may write options on foreign currencies for the same types of hedging
purposes.  For example,  where the  Series 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.

Similarly, instead of purchasing a call  option to hedge against an  anticipated
increase in the dollar cost of securities to be acquired, the Series could write
a  put  option on  the  relevant currency  which, if  rates  move in  the manner
projected, will expire unexercised and allow the Series to hedge such  increased
cost  up to the amount  of the premium. Foreign  currency options written by the
Series 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 the Series 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,
the Series 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.

ADDITIONAL RISK FACTORS:
OPTIONS, FUTURES AND FORWARD TRANSACTIONS

    RISK OF  IMPERFECT  CORRELATION  OF HEDGING  INSTRUMENTS  WITH  THE  SERIES'
PORTFOLIO.  The Series'  ability effectively  to hedge all  or a  portion of its
portfolio through transactions in options, Futures Contracts, Options on Futures
Contracts, Forward Contracts  and options  on foreign currencies  depend on  the
degree  to which price movements in the underlying index or instrument correlate
with price movements in  the relevant portion of  the Series' portfolio. In  the
case  of futures and options based on an index, the portfolio will not duplicate
the components of the  index, and in  the case of futures  and options on  fixed
income  securities, the portfolio  securities which are being  hedged may not be
the same  type  of obligation  underlying  such  contract. The  use  of  Forward
Contracts for "cross hedging" purposes may involve greater correlation risks. As
a  result, the correlation probably will  not be exact. Consequently, the Series
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.

It  is also possible that there may  be a negative correlation between the index
or obligation underlying an option or Futures Contract in which the Series has a
position and the portfolio securities the  Series is attempting to hedge,  which
could  result in  a loss on  both the  portfolio and the  hedging instrument. In
addition, the Series may enter into transactions in Forward Contracts or options
on foreign  currencies in  order  to hedge  against  exposure arising  from  the
currencies  underlying such instruments.  In such instances,  the Series will be
subject to the additional risk of  imperfect correlation between changes in  the
value  of the currencies underlying such forwards  or options and changes in the
value of the currencies being hedged.

It should  be  noted  that  futures  contracts based  upon  a  narrow  index  of
securities  may present greater risk than 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

                                       11
<PAGE>
of changes in the value of a small number of securities. Nevertheless, where the
Series enters into transactions in futures on narrowly-based indexes for hedging
purposes,  movements  in  the  value  of  the  index  should,  if  the  hedge is
successful, correlate closely with the portion  of the Series' portfolio or  the
intended acquisitions being hedged.

The  trading of  Futures Contracts,  options and  Forward Contracts  for hedging
purposes entails the additional risk of imperfect correlation between  movements
in  the  futures  or option  price  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  options,  futures  and  forward markets.  In  this  regard,  trading  by
speculators   in  options,  futures  and  Forward  Contracts  has  in  the  past
occasionally  resulted  in  market  distortions,  which  may  be  difficult   or
impossible to predict, particularly near the expiration of such contracts.

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  currencies and
Options on  Futures Contracts,  the Series  are 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
the Series in connection with such transactions.

In  writing a covered call option on  a security or futures contract, the Series
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 instrument. As a  result, the Series could  be subject to risk  of
loss in the event of adverse market movements.

The writing of options on securities or Options on Futures Contracts constitutes
only a partial hedge against fluctuations in the value of the Series' portfolio.
When  the Series 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 the  Series 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 the Series' 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,
the Series will incur a loss which may only be partially offset by the amount of
the  premium it  received. Moreover,  by writing  an option,  the Series  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,
the Series'  overall return  may be  lower than  if it  had not  engaged in  the
hedging transactions.

While  the Series may enter into transactions  in options (except for Options on
Foreign Currencies), Futures Contracts, Options on Futures Contracts and Forward
Contracts for hedging  purposes, it may  also enter into  such transactions  for
non-hedging  purposes.  Non-hedging  transactions  in  such  investments 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. The  Series  will  only  write covered  options,  such  that  cash  or
securities  necessary to  satisfy an option  exercise will be  segregated at all
times, unless the option is 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. Nevertheless, the method of covering an option employed by  the
Series  may not  fully protect it  against risk of  loss and, in  any event, the
Series could suffer losses on the option  position which might not be offset  by
corresponding  portfolio gains. Entering into transactions in Futures Contracts,
Options on  Futures  Contracts and  Forward  Contracts for  other  than  hedging
purposes could expose the Series to significant risk of loss if foreign currency
exchange rates do not move in the direction or to the extent anticipated.

With  respect to the writing  of straddles on securities,  the Series 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 the  Series with  two
simultaneous  premiums on the same security,  but involve additional risk, since
the Series may  have an option  exercised against it  regardless of whether  the
price of the security increases or decreases.

                                       12
<PAGE>
    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 the  Series 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  contracts at  any
specific  time. In that  event, it may not  be possible to  close out a position
held by the Series,  and the Series  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 the  Series
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  the  Series' ability
effectively to hedge their portfolios, 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  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 opening of  a
futures  or forward  position 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 the Series 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  the Series or  decreases in  the prices of  securities or  other
assets  the  Series  intends  to  acquire. Where  the  Series  enters  into such
transactions for other than hedging purposes, the margin requirements associated
with such transactions could expose the Series to greater risk.

    TRADING AND POSITION LIMITS. The exchange  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 the Series.

    RISKS OF OPTIONS ON FUTURES CONTRACTS. The amount of risk the Series 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  RELATED TO  FOREIGN CURRENCIES  AND 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  the Series. 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.

                                       13
<PAGE>
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 the  Series 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 the Series  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  the  Series  in  Futures  Contracts  and
exchange-traded  options, options  on foreign currencies,  Forward Contracts and
over-the-counter options  on  securities  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 the
Series' position  unless the  institution acts  as broker  and is  able to  find
another  counterparty willing  to enter  into the  transaction with  the Series.
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 the  Series  could be  required  to  retain
options purchased or written, or Forward Contracts entered into, until exercise,
expiration  or maturity. This in turn could  limit the Series' 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 the Series 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  the Series' ability to enter into desired hedging transactions. The
Series 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, 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  the  Series 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

                                       14
<PAGE>
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 the Series will not be deemed to be a "commodity pool" for purposes
of the Commodity Exchange Act, regulations  of the CFTC require that the  Series
enter  into transactions in  Futures Contracts and  Options on Futures Contracts
only (i) for  BONA FIDE hedging  purposes (as defined  in CFTC regulations),  or
(ii)  for non-hedging purposes,  provided that the  aggregate initial margin and
premiums on such  non-hedging positions does  not exceed 5%  of the  liquidation
value  of  the Series'  assets. In  addition,  the Series  must comply  with the
requirements  of  various  state  securities   laws  in  connection  with   such
transactions.

The  Series has adopted the additional restriction that it will not enter into a
Futures Contract if, immediately thereafter,  the value of securities and  other
obligations  underlying all such Futures Contracts would exceed 50% of the value
of the Series' total assets. Moreover, the Series will not purchase put and call
options if as a  result more than 5%  of its total assets  would be invested  in
such options.

When  the Series purchases a  Futures Contract, an amount  of cash or securities
will be deposited in a segregated account with the Series custodian so that  the
amount  so segregated will at all times equal the value of the Futures Contract,
thereby insuring that the use of such futures is unleveraged.

FOREIGN  SECURITIES:  The  Series  may  invest  in  dollar-denominated  and  non
dollar-denominated foreign securities. As discussed in the Prospectus, investing
in  foreign  securities  generally  represents a  greater  degree  of  risk than
investing in domestic  securities due  to possible  exchange rate  fluctuations,
less  publicly  available information,  more  volatile markets,  less securities
regulation, less favorable tax provisions, war or expropriation. As a result  of
its  investments  in  foreign securities,  the  Series 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,
the Series may hold such currencies for an indefinite period of time. While  the
holding  of currencies  will permit  the Series  to take  advantage of favorable
movements in the applicable exchange rate, such strategy also exposes the Series
to risk of loss  if exchange rates  move in a direction  adverse to the  Series'
position.  Such losses could reduce any profits or increase any losses sustained
by the Series from  the sale or  redemption of securities  and could reduce  the
dollar value of interest or dividend payments received.

AMERICAN  DEPOSITARY  RECEIPTS: The  Series  may invest  in  American Depositary
Receipts ("ADRs") which are certificates issued 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. ADRs may be sponsored  or
unsponsored.  A sponsored ADR is  issued by a depository  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. The  Series 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. The Series may purchase securities in local markets and
direct delivery of these ordinary shares to the local depository of an ADR agent
bank in the foreign country. Simultaneously, the ADR agents create a certificate
which settles at the Series' custodian in five days. The Series 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 the information available to
a U.S.  investor  will be  limited  to the  information  the foreign  issuer  is
required  to disclose in its own 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 foreign currency.

PORTFOLIO  TRADING: The World Government Series had a portfolio turnover rate of
62% for the fiscal year ended December 31, 1994.
                              -------------------

The Series' limitations, policies and ratings restrictions 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.

                                       15
<PAGE>
3.  INVESTMENT RESTRICTIONS

The  Series  has  adopted the  following  restrictions which  cannot  be changed
without the approval of the holders of a majority of the Series' shares  (which,
as  used in this  Statement of Additional  Information, means the  lesser of (i)
more than  50%  of  the outstanding  shares  of  the Trust  or  the  Series,  as
applicable,  or (ii) 67% or  more of the outstanding shares  of the Trust or the
Series, as applicable, present at a meeting  if holders of more than 50% of  the
outstanding shares of the Trust or the Series, as applicable, are represented in
person  or by  proxy). Except for  Investment Restriction  (1), 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 any of the restrictions.

The Trust, on behalf of the Series, may not:

        (1)  borrow amounts in excess of 33 1/3% of its assets including amounts
    borrowed and then only as a temporary measure for extraordinary or emergency
    purposes;

        (2) underwrite securities issued by other persons except insofar as  the
    Series  may technically be deemed an underwriter under the Securities Act of
    1933, as amended (the "1933 Act") 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 currencies and
    any type of option, Futures Contracts and Forward Contracts) in the ordinary
    course of its business.  The Series reserves the  freedom of action to  hold
    and  to sell real estate, mineral leases, commodities or commodity contracts
    (including currencies and  any type  option, Futures  Contracts 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 swap, option, Forward Contracts and 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
    commercial paper, the  purchase of  a portion  or all  of an  issue of  debt
    securities,  the lending of  portfolio securities, or  the investment of the
    Series' assets in repurchase agreements, shall not be considered the  making
    of a loan; or

        (6) purchase any securities of an issuer of a particular industry, if as
    a  result, more than 25% of its gross assets would be invested in securities
    of issuers  whose principal  business activities  are in  the same  industry
    (except  there  is  no  limitation with  respect  to  obligations  issued or
    guaranteed by the U.S. Government or its agencies and instrumentalities  and
    repurchase agreements collateralized by such obligations).

In  addition, the Series has adopted the following nonfundamental policies which
may be changed by the vote of the Trust's Board of Trustees without  shareholder
approval. The Trust, on behalf of the Series, 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
    Series' 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  the Series' 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) purchase securities issued by any other investment company in excess
    of the amount permitted by the 1940  Act, except when such purchase is  part
    of a plan of merger or consolidation;

        (3)  purchase any securities or evidences of interest therein on margin,
    except that the Series may obtain such short-term credit as may be necessary
    for the clearance  of any transaction  and except that  the Series may  make
    margin  deposits  in  connection  with any  type  of  swap,  option, Futures
    Contracts and Forward Contracts;

                                       16
<PAGE>
        (4)  sell any security which the Series does not own unless by virtue of
    its ownership of other securities the Series 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;

        (5) pledge, mortgage or  hypothecate in excess of  33 1/3% of its  gross
    assets.  For  purposes  of this  restriction,  collateral  arrangements with
    respect to any type of swap, option, Futures Contracts and Forward Contracts
    and payments of initial  and variation margin  in connection therewith,  are
    not considered a pledge of assets;

        (6)  purchase or sell any put or call option or any combination thereof,
    provided that this  shall not  prevent the purchase,  ownership, holding  or
    sale  of (i) warrants where the grantor of the warrants is the issuer of the
    underlying securities or (ii)  put or call  options or combinations  thereof
    with respect to securities, indices of securities, swaps, foreign currencies
    and Futures Contracts;

        (7) invest for the purpose of exercising control or management;

        (8)  hold obligations issued or guaranteed  by any one U.S. Governmental
    agency or instrumentality, at the end of any calendar quarter (or within  30
    days thereafter), to the extent such holdings would cause the Series to fail
    to comply with the diversification requirements imposed by Section 817(h) of
    the Internal Revenue Code of 1986, as amended (the "Code"), and the Treasury
    regulations  issued  thereunder  on  segregated  asset  accounts  that  fund
    variable contracts.

In addition, as  nonfundamental policies  which may be  changed by  vote of  the
Trust's  Board of  Trustees: (i) the  Series, to  the extent that  it invests in
foreign securities  (excluding ADRs),  will be  invested in  a minimum  of  five
different  foreign countries at all times, provided that this minimum is reduced
to four when foreign country investments  comprise less than 80% of the  Series'
net assets, to three when less than 60% of such value, to two when less than 40%
of such value, and to one when less than 20% of such value; (ii) the Series will
not  have more  than 20%  of its  net assets  invested in  securities of issuers
located in any one foreign country, provided that the Series may have up to  35%
of  its  net assets  invested  in securities  of  issuers located  in Australia,
Canada, France, Japan, the United Kingdom or West Germany; and (iii) the  Series
may not borrow amounts in excess of 10% of its net assets when borrowing for any
general  purpose or in excess of 25% of net assets when borrowing as a temporary
measure to facilitate redemptions.

4.  MANAGEMENT OF THE TRUST

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

TRUSTEES

A.  KEITH  BRODKIN*  --  Chairman;  Massachusetts  Financial  Services  Company,
Chairman.

NELSON J. DARLING, JR. -- Director or Trustee of several corporations or trusts,
  including: Eastern Enterprises (diversified holding company), Trustee.
Address: 18 Tremont Street, Boston, Massachusetts

WILLIAM R. GUTOW -- Private Investor; Real Estate Consultant; Capitol
  Entertainment (Blockbuster Video Franchise), Senior Vice President (since
  1989).
Address: 3102 Maple Avenue, #100, Dallas, Texas

OFFICERS

W. THOMAS LONDON* -- Treasurer; Massachusetts Financial Services Company, Senior
Vice President and Assistant Treasurer.

STEPHEN E.  CAVAN*  -- Secretary  and  Clerk; Massachusetts  Financial  Services
Company, Senior Vice President, General Counsel and Assistant Secretary.

JAMES  R.  BORDEWICK,  JR.*  --  Assistant  Secretary;  Massachusetts  Financial
Services Company, Vice President and Associate General Counsel (since  September
1990); Associated with a major law firm (prior to August 1990).

                                       17
<PAGE>
JAMES O. YOST* -- Assistant Treasurer; Massachusetts Financial Services Company,
Vice President.
- --------------
*"Interested  persons" (as  defined in  the Investment  Company Act  of 1940, as
 amended (the "1940 Act")) of the Adviser, whose address is 500 Boylston Street,
 Boston, Massachusetts 02116.

Mr. Brodkin and each officer  hold 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. Brodkin and  Cavan are the  Chairman
and  the Secretary, respectively, of MFD and hold similar positions with certain
other MFS affiliates.

As of  December 31,  1994,  Massachusetts Financial  Service Company  Inc.,  500
Boylston Street, Boston, Massachusetts 02116-3740 was the owner of approximately
30% of the outstanding shares of the World Governments Series.

As  of December  31, 1994,  Century Life  of America,  on behalf  of its Century
Variable Annuity Account, 2000  Heritage Way, Waverly,  Iowa 50677-9208 was  the
owner  of approximately 69%  of the outstanding shares  of the World Governments
Series.

The Trust pays the compensation of  non-interested Trustees (who will receive  a
fee  of $217 per  year, per series  plus $100 per  meeting and committee meeting
attended for each series, together with such trustees out-of-pocket expenses.)

Set forth  in  Exhibit A  hereto  is  certain information  concerning  the  cash
compensation paid to non-interested Trustees.

The Declaration of 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 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 Trust.  In
the  case of settlement, such indemnification will not be provided unless it has
been determined pursuant  to the  Declaration of  Trust, that  such officers  or
Trustees have not engaged in willful misfeasance, bad faith, gross negligence or
reckless disregard of their duties.

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.), which in turn is  a
subsidiary of Sun Life Assurance Company of Canada ("Sun Life").

INVESTMENT ADVISORY AGREEMENT

MFS  manages  the  assets  of  the Series  pursuant  to  an  Investment Advisory
Agreement with the Trust on behalf of the Series dated as of April 14, 1994 (the
"Advisory Agreement"). MFS provides the Series with overall investment  advisory
and  administrative services, as  well as general  office facilities. Subject to
such policies as the Trustees may determine, MFS makes investment decisions  for
the  Series. 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 the Series."

For  the Series'  fiscal year ended  December 31, 1994,  MFS received management
fees under the Advisory Agreement of  $7,604 and assumed $36,473 of the  Series'
expenses. See "Expenses" in the Prospectus.

In  order to  comply with  the expense  limitations of  certain state securities
commissions, MFS  will reduce  its  management fee  or otherwise  reimburse  the
Series for any expenses, exclusive of interest, taxes and brokerage commissions,
incurred by the Series in any fiscal year to the extent such expenses exceed the
most  restrictive of such  state expense limitations.  MFS will make appropriate
adjustments to such reductions and  reimbursements in response to any  amendment
or rescission of the various state requirements.

MFS  pays the compensation of the Trust's officers  and of any Trustee who is an
officer  of  MFS.  MFS  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  the  Series'  investments,  effecting  its  portfolio
transactions and, in general, administering its affairs.

The Advisory Agreement  with the  Trust will remain  in effect  until August  1,
1995,  and will continue in effect thereafter with respect to the Series only if
such continuance is  specifically approved  at least  annually by  the Board  of
Trustees  or  by  vote  of a  majority  of  the Series'  shares  (as  defined in
"Investment Restrictions") 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 with respect to the Series  without penalty by vote of a  majority
of the Series' shares

                                       18
<PAGE>
(as defined in "Investment Restrictions") or by either party on not more than 60
days' nor less than 30 days' written notice. The Advisory Agreement with respect
to  the Series provides that if MFS ceases to serve as the investment adviser to
the Series, the Series will change its name  so as to delete the term "MFS"  and
that  MFS may render services to others and may permit other fund clients to use
the term "MFS" in their names. The Advisory Agreement also provides that neither
MFS 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 the Series, 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.

CUSTODIAN

Investors Bank & Trust Company (the "Custodian") is the custodian of the Trust's
assets. The Custodian's responsibilities include safekeeping and controlling the
Series' cash and securities,  handling the receipt  and delivery of  securities,
determining  income  and  collecting  interest  and  dividends  on  the  Series'
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 shares  of the  Series.  The Custodian  does not  determine  the
investment policies of the Series or decide which securities the Series will buy
or  sell. The Series may, however, invest in securities of the Custodian and may
deal with the Custodian as  principal in securities transactions. The  Custodian
has  contracted with MFS for MFS to perform certain accounting functions related
to certain transactions for  which the Adviser receives  remuneration on a  cost
basis.  State  Street  Bank  and  Trust  Company  serves  as  the  dividend  and
distribution disbursing agent of the Series.

SHAREHOLDER SERVICING AGENT

MFS Service Center,  Inc. (the  "Shareholder Servicing Agent"),  a wholly  owned
subsidiary  of MFS and  a registered transfer agent,  is the Series' shareholder
servicing agent, pursuant to  a Shareholder Servicing  Agent Agreement with  the
Trust  on  behalf  of  the Series,  dated  as  of April  14,  1994  (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
shares of the Series. For these  services, the Shareholder Servicing Agent  will
receive  a fee based on the net assets of the Series, computed and paid monthly.
In addition, the Shareholder  Servicing Agent will be  reimbursed by the  Series
for  certain expenses incurred  by the Shareholder Servicing  Agent on behalf of
the Series. For the  fiscal year ended December  31, 1994, the World  Government
Series  incurred fees of $992 under the  Agency Agreement. State Street Bank and
Trust Company, the dividend  and distribution disbursing  agent for the  Series,
has  contracted with the  Shareholder Servicing Agent  to administer and perform
certain dividend and distribution disbursing functions for the Series.

DISTRIBUTOR

MFD, a  wholly  owned subsidiary  of  MFS, serves  as  the distributor  for  the
continuous  offering of shares of the Trust pursuant to a Distribution Agreement
dated as of April 14, 1994 (the "Distribution Agreement").

As agent, MFD currently offers shares of the Series on a continuous basis to the
separate accounts of Participating  Insurance Companies in  all states in  which
the  Series or the Trust may from time  to time be registered or where permitted
by applicable law. The Distribution  Agreement provides that MFD accepts  orders
for shares at net asset value as no sales commission or load is charged. MFD has
made no firm commitment to acquire shares of the Series.

The  Distribution Agreement will remain in effect  until August 1, 1995 and will
continue 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 the
Trust's shares (as defined in "Investment Restrictions") and in either case,  by
a majority of the Trustees who are not parties to such 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.

5.  PORTFOLIO TRANSACTIONS AND BROKERAGE COMMISSIONS

Specific  decisions to purchase  or sell securities  for the Series  are made by
employees of  MFS, who  are appointed  and supervised  by its  senior  officers.
Changes  in  the  Series'  investments  are reviewed  by  the  Trust's  Board of
Trustees. The Series' portfolio  manager may serve other  clients of MFS or  any
subsidiary of MFS in a similar capacity.

The  primary  consideration  in  placing  portfolio  security  transactions with
broker-dealers for  execution is  to  obtain and  maintain the  availability  of
execution  at  the  most  favorable  prices and  in  the  most  effective manner
possible. MFS has complete freedom

                                       19
<PAGE>
as to the markets in and the broker-dealers through which it seeks this  result.
MFS  attempts  to achieve  this result  by  selecting broker-dealers  to execute
portfolio transactions on behalf of the Series  and other clients of MFS on  the
basis of their professional capability, the value and quality of their brokerage
services,  and  the  level  of  their  brokerage  commissions.  In  the  case of
securities, such as fixed income securities, which are principally traded in the
over-the-counter market on  a net  basis through  dealers acting  for their  own
account  and not as brokers (where no stated commissions are paid but the prices
include a dealer's markup or markdown), MFS normally seeks to deal directly with
the primary market makers,  unless in its opinion,  better prices are  available
elsewhere.  In the case  of securities purchased from  underwriters, the cost of
such  securities  generally   includes  a  fixed   underwriting  commission   or
concession.  Securities  firms  or  futures  commission  merchants  may  receive
brokerage commissions on transactions  involving options, Futures Contracts  and
Options  on Futures Contracts and the purchase and sale of underlying securities
upon exercise of options. The  brokerage commissions associated with buying  and
selling options may be proportionately higher than those associated with general
securities transactions. From time to time, soliciting dealer fees are available
to  MFS on the tender of the Series' portfolio securities in so-called tender or
exchange offers. Such soliciting  dealer fees are in  effect recaptured for  the
Series by MFS. At present no other recapture arrangements are in effect.

Under the Advisory Agreement and as permitted by Section 28(e) of the Securities
Exchange  Act  of  1934,  as  amended,  MFS  may  cause  the  Series  to  pay  a
broker-dealer which provides brokerage and research services to MFS an amount of
commission for effecting a  securities transaction for the  Series in excess  of
the  amount other broker-dealers  would have charged for  the transaction if MFS
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  MFS's
overall  responsibilities to the Series or to its other clients. Not all of such
services are useful or of value in advising the Series.

The term "brokerage and  research services" includes advice  as to the value  of
securities,  the  advisability  of  purchasing or  selling  securities,  and the
availability 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 MFS,  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 the
Series' and  MFS's  other  clients  in  part for  providing  advice  as  to  the
availability  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  MFS for  no consideration  other than
brokerage or underwriting commissions. Securities may be bought or sold  through
such  broker-dealers, but at present, unless otherwise directed by the Series, a
commission higher than one  charged elsewhere will  not be paid  to such a  firm
solely  because it  provided Research  to MFS.  The Trustees  (together with the
Trustees of  the other  MFS Funds)  have directed  MFS to  allocate a  total  of
$20,000  of  commission business  from  the various  MFS  Funds to  the Pershing
Division of Donaldson, Lufkin & Jenrette as consideration for the annual renewal
of  the  Lipper   Directors'  Analytical  Data   Service  and  Lipper   Variable
Insurance--Related  Analysis (which provides information  useful to the Trustees
in reviewing the relationship between each MFS Fund and MFS).

The investment management personnel  of MFS attempt to  evaluate the quality  of
Research  provided by brokers. Results of this  effort are sometimes used by MFS
as  a  consideration  in   the  selection  of   brokers  to  execute   portfolio
transactions. However, MFS is unable to quantify the amount of commissions which
will  be  paid as  a result  of such  Research because  a substantial  number of
transactions will be effected through  brokers which provide Research but  which
were selected principally because of their execution capabilities.

The  management  fee that  the  Series pays  to  MFS will  not  be reduced  as a
consequence of the  receipt of brokerage  and research services  by MFS. To  the
extent  the Series' portfolio transactions are used to obtain such services, the
brokerage commissions paid by the Series will exceed those that might  otherwise
be  paid, by an amount which cannot be presently determined. Such services would
be useful and of value to MFS in serving both the Series and other clients  and,
conversely,  such services  obtained by the  placement of  brokerage business of
other clients would  be useful to  MFS in  carrying out its  obligations to  the
Series.  While such services are not expected to reduce the expenses of MFS, MFS
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.

                                       20
<PAGE>
In  certain instances there may be securities which are suitable for the Series'
portfolio as well  as for  that of  one or  more of  the other  clients of  MFS.
Investment  decisions for the Series 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 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 the Series is  concerned. In other cases, however, it is
believed that the  Series' ability  to participate in  volume transactions  will
produce better executions for the Series.

6.  TAX STATUS

Shares  of  the  Series  are  offered  only  to  the  separate  accounts  of the
Participating Insurance  Companies  that  fund  Contracts.  See  the  applicable
Contract  prospectus for a discussion of the special taxation of those companies
with respect to those accounts and of the Contract holders.

The Series intends to elect and qualify each year for treatment as a  "regulated
investment  company" under Subchapter M of the Internal Revenue Code of 1986, as
amended (the "Code")  by meeting  all applicable requirements  of Subchapter  M,
including  requirements as to the nature of the Series' gross income, the amount
of the Series'  distributions, and  the composition  and holding  period of  the
Series'  portfolio assets. Because  the Series intends to  distribute all of its
net investment income  and net realized  capital and foreign  currency gains  to
shareholders  in  accordance  with  the timing  and  certain  other requirements
imposed by the Code, it is not expected that the Series will be required to  pay
any federal income or excise taxes, although the Series which has foreign-source
income may be subject to foreign withholding taxes. If the Series should fail to
qualify as a "regulated investment company" in any year, that Series would incur
a regular corporate federal income tax upon its taxable income.

The  Series intends to diversify its assets as required by section 817(h) of the
Code and the regulations thereunder.  These requirements, which are in  addition
to  the diversification requirements of  Subchapter M, place certain limitations
on the proportion of the  Series' assets that may  be represented by any  single
investment  and securities from  the same issuer.  If the Series  should fail to
comply with these  requirements, variable  annuity and  variable life  insurance
contracts  that invest in the Series would  not be treated as annuity, endowment
or life insurance contracts under the Code.

Distributions of  net capital  gains,  whether made  in  cash or  in  additional
shares, are taxable to shareholders as long-term capital gains without regard to
the   length  of  time   the  shareholders  have   held  their  shares.  Certain
distributions of  the  Series  which  are  declared  in  October,  November,  or
December,  to  shareholders  of record  in  such  month and  paid  the following
January, will be taxable to  shareholders as if received  on December 31 of  the
year in which they are declared.

Any  investment by the Series in zero coupon bonds, certain stripped securities,
and certain securities purchased at a  market discount will cause the Series  to
recognize  income prior to  the receipt of  cash payments with  respect to those
securities. In order to distribute  this income and avoid  a tax on the  Series,
the  Series  may be  required to  liquidate portfolio  securities that  it might
otherwise have continued  to hold, potentially  resulting in additional  taxable
gain or loss to the Series.

The  Series'  transactions  in options,  Futures  Contracts,  Forward Contracts,
foreign currencies, swaps and related transactions, to the exent allowed by  its
investment  objectives, will be subject to special tax rules that may affect the
amount,  timing,  and   character  of   Series  income   and  distributions   to
shareholders.  For example,  certain positions  held by  the Series  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 the Series 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 Series  losses,
adjustments  in  the holding  periods of  Series  securities, and  conversion of
short-term into  long-term  capital  losses. Certain  tax  elections  exist  for
straddles  which may alter the effects of these rules. The Series will limit its
activities  in  options,  Futures  Contracts,  Forward  Contracts  and   foreign
currencies  to the extent necessary to meet  the requirements of Subchapter M of
the Code.

                                       21
<PAGE>
Special tax  considerations apply  with respect  to foreign  investments of  the
Series.  Foreign exchange gains and losses realized by the Series will generally
be treated  as  ordinary  income  and losses.  Use  of  foreign  currencies  for
non-hedging  purposes may  be limited  in order  to avoid  a tax  on the Series.
Investment by the Series in  certain "passive foreign investment companies"  may
also be limited in order to avoid a tax on the Series.

Investment  income received by the Series  from sources within foreign countries
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  the
Series  to a reduced  rate of tax or  an exemption from tax  on such income; the
Series intends  to qualify  for  treaty reduced  rates  where available.  It  is
impossible  to determine  the Series  effective rate  of foreign  tax in advance
since the amount of the Series'  assets to be invested within various  countries
is not known.

7.  NET INCOME AND DISTRIBUTIONS

The  Series  intends  to  distribute  to  its  shareholders  annually  dividends
substantially equal  to  all of  its  net  investment income.  The  Series'  net
investment income consists of non-capital gain income less expenses. The Series'
intends  to distribute net realized short-  and long-term capital gains, if any,
at least annually. Shareholders will be informed of the tax consequences of such
distributions, including whether  any portion  represents a  return of  capital,
after  the end of each calendar  year. (For additional taxation information, see
"Tax Status" above.)

8.  DETERMINATION OF NET ASSET VALUE; PERFORMANCE INFORMATION

NET ASSET VALUE

The net asset value per share of the Series is determined each day during  which
the  Exchange is open for  trading. This determination is  made once during each
such day as of  the close of  regular trading on the  Exchange by deducting  the
amount  of the Series' liabilities from the value of its assets and dividing the
difference by the number of shares of the Series outstanding.

Securities, futures contracts and options  in the Series' portfolio (other  than
short-term obligations) for which the principal market is one or more securities
or  commodities exchanges 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 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.  Debt  securities  (other  than  short-term  obligations  but
including  listed issues) in  the Series' 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-sized  trading in  similar groups  of
securities,  yields,  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.
Short-term obligations, if any, in the Series' portfolio are valued at amortized
cost,  which  constitutes fair  value as  determined by  the Board  of Trustees.
Short-term securities with  a remaining maturity  in excess of  60 days will  be
valued   based  upon  dealer  supplied   valuations.  Portfolio  securities  and
over-the-counter options, for which  there are no  quotations or valuations  are
valued  at fair value as determined in good  faith by or at the direction of the
Board of Trustees.

PERFORMANCE INFORMATION

TOTAL RATE OF RETURN --  The Series will calculate its  total rate of return  of
its  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) to  reach the value of that investment
at  the  end  of  the  periods.  The  Series  may  also  calculate  total  rates

                                       22
<PAGE>
of  return which represent  aggregate performance over  a period or year-by-year
performance. The  aggregate  total  rate  of return  for  shares  of  the  World
Governments Series for the period from June 14, 1994 (commencement of investment
operations)  to December 31, 1994 was 0.79%.  The aggregate total rate of return
would have been lower had fee waivers not been in effect.

YIELD -- Any  yield quotation  for the  Series is  based on  the annualized  net
investment  income per share of the Series  for the 30-day period. The yield for
such the  Series is  calculated by  dividing its  net investment  income  earned
during  the period by the offering price per share of the Series 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 of the Series
during  the period, minus accrued expenses of  the Series for the period by (ii)
the average number of shares of the Series entitled to receive dividends  during
the  period multiplied by  the offering price per  share on the  last day of the
period. The yield calculation for shares of the World Governments Series for the
30-day period ended December 31, 1994 was 7.46% without any fee waivers.

MFS FIRSTS: MFS has a long history of innovations.

- -- 1924 -- Massachusetts Investors Trust is established as the first 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 1933 Act.

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

- -- 1976  -- MFS-Registered  Trademark- 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-Registered  Trademark- World Governments  Fund is established  as
   America's first globally diversified fixed-income mutual fund.

- -- 1984  -- MFS-Registered  Trademark- Municipal High  Income Fund  is the first
   mutual  fund  to  seek  high  tax-free  income  from  lower-rated   municipal
   securities.

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

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

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

- -- 1989   --   MFS-Registered   Trademark-  Regatta   becomes   America's  first
   non-qualified market-value-adjusted fixed/variable annuity.

- -- 1990 -- MFS-Registered Trademark- World Total Return Fund is the first global
   balanced fund.

- -- 1993 --  MFS-Registered Trademark-  World  Growth Fund  is the  first  global
   emerging markets fund to offer the expertise of two sub-advisers.

- -- 1993    --    MFS-Registered    Trademark-    becomes    money    manger   of
   MFS-Registered Trademark- Union  Standard Trust,  the first  trust to  invest
   solely  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.

                                       23
<PAGE>
9.  DESCRIPTION OF SHARES, VOTING RIGHTS AND LIABILITIES

The  Trust's Declaration of Trust permits the  Trustees of the Trust 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.  The  Trustees  have
currently  authorized  shares of  the twelve  series.  The Declaration  of Trust
further authorizes the Trustees to classify  or reclassify any series of  shares
into  one or more  classes. The Trustees  have no current  intention to classify
more than  one class  of shares.  Each share  of a  series represents  an  equal
proportionate  interest  in the  assets of  that series.  Upon liquidation  of a
series, shareholders of the  series are entitled  to share PRO  RATA in the  net
assets  of  the series  available for  distribution  to shareholders.  The Trust
reserves the right to create and  issue additional series or classes of  shares,
in  which  case  the shares  of  each  class would  participate  equally  in the
earnings, dividends and assets allocable to that class of the particular series.

Shareholders are entitled to one  vote for each share held  and may vote in  the
election of Trustees and on other matters submitted to meetings of shareholders.
Although  Trustees are  not elected  annually by  the shareholders, shareholders
have under certain  circumstances the right  to remove one  or more Trustees  in
accordance  with the provisions  of Section 16(c)  of the 1940  Act. No material
amendment may be made to the  Declaration of Trust without the affirmative  vote
of  a majority of the  Trust's shares. Shares have  no pre-emptive or conversion
rights. Shares are  fully paid and  non-assessable. The Trust  may enter into  a
merger  or consolidation, or sell 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 outstanding
shares voting as a single class, or of the affected series of the Trust, as  the
case  may be, except  that if the  Trustees of the  Trust 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  (as defined in "Investment
Restrictions") will be sufficient. The Trust or any series of the Trust may also
be terminated (i) upon liquidation and  distribution of its assets, if  approved
by  the vote of the holders of two-thirds  of its outstanding shares, or (ii) by
the Trustees by written notice to the shareholders of the Trust of the  affected
series. 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  it  shall  maintain  appropriate  insurance  (for example,
fidelity bonding and errors and omissions  insurance) for the protection of  the
Trust,  its  shareholders,  Trustees, officers,  employees  and  agents covering
possible tort or 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 willful misfeasance, bad faith,
gross negligence, or reckless disregard of the duties involved in the conduct of
his office.

10.  INDEPENDENT ACCOUNTANTS AND FINANCIAL STATEMENTS

Deloitte  & Touche LLP are the Trust's independent certified public accountants.
The World Governments  Series' Portfolio  of Investments at  December 31,  1994,
Statement  of  Assets  and  Liabilities  at  December  31,  1994,  Statement  of
Operations for the period ended December  31, 1994, Statement of Changes in  Net
Assets for the period ended December 31, 1994, the Notes to Financial Statements
and  the Independent Auditor's Report  dated February 3, 1995,  each of which is
included in the Annual Report to  shareholders of the World Governments  Series,
are  incorporated by reference into this Statement of Additional Information and
have been so incorporated in reliance upon the report of Deloitte & Touche  LLP,
independent  certified public accountant, as experts in accounting and auditing.
A copy of the World Governments Series' Annual Report accompanies the  Statement
of Additional Information.

                                       24
<PAGE>
                                                                       EXHIBIT A

TRUSTEE COMPENSATION TABLE
<TABLE>
<CAPTION>
                                                                                                   TRUSTEE FEES FROM
                                                                                                   WORLD GOVERNMENTS
NAME OF TRUSTEE                                                                                       SERIES (1)
- ------------------------------------------------------------------------------------------------  -------------------
<S>                                                                                               <C>
William R. Gutow................................................................................       $     517
Nelson J. Darling...............................................................................       $     517

<CAPTION>
                                                                                                    TOTAL TRUSTEE
                                                                                                    FEES FROM THE
NAME OF TRUSTEE                                                                                   FUND COMPLEX (2)
- ------------------------------------------------------------------------------------------------  -----------------
<S>                                                                                               <C>
William R. Gutow................................................................................      $  10,618
Nelson J. Darling...............................................................................      $  10,618
<FN>

NOTES:

(1) For fiscal year ended December 31, 1994.
(2)  Information  provided is  for calendar  year ended  December 31,  1994. All
    Trustees served as Trustees of 16 funds advised by MFS (having aggregate net
    assets at December 31, 1994, of approximately $143 million).
</TABLE>
<PAGE>
INVESTMENT ADVISER
Massachusetts Financial Services Company
500 Boylston Street, Boston, MA 02116
(617) 954-5000
(800) 637-8730

DISTRIBUTOR
MFS Fund Distributors, Inc.
500 Boylston Street, Boston, MA 02116
(617) 954-5000

CUSTODIAN
Investors Bank & Trust Company
89 South Street, Boston, MA 02116

DIVIDEND DISBURSING AGENT
State Street Bank and Trust Company
225 Franklin Street, Boston, MA 02110

SHAREHOLDER SERVICING AGENT
MFS Service Center, Inc.
500 Boylston Street, Boston, MA 02116
Toll free: (800) 637-8730
MAILING ADDRESS
P.O. Box 1400, Boston, MA 02104-9985

INDEPENDENT ACCOUNTANTS
Deloitte & Touche LLP
125 Summer Street, Boston, MA 02110

MFS-REGISTERED TRADEMARK- WORLD
GOVERNMENTS SERIES-TM-

500 Boylston Street
Boston, MA 02116

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