EATON VANCE MUTUAL FUNDS TRUST
485APOS, 1999-05-24
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<PAGE>

      As filed with the Securities and Exchange Commission on May 24, 1999
                                                      1933 Act File No. 02-90946
                                                      1940 Act File No. 811-4015
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM N-1A

                             REGISTRATION STATEMENT
                                      UNDER
                           THE SECURITIES ACT OF 1933       [X]
                         POST-EFFECTIVE AMENDMENT NO. 51    [X]
                             REGISTRATION STATEMENT
                                      UNDER
                       THE INVESTMENT COMPANY ACT OF 1940   [X]
                                AMENDMENT NO. 54            [X]

                         EATON VANCE MUTUAL FUNDS TRUST
                         ------------------------------
               (Exact Name of Registrant as Specified in Charter)

                  255 State Street, Boston, Massachusetts 02109
                  ---------------------------------------------
                    (Address of Principal Executive Offices)

                                 (617) 482-8260
                                 --------------
                         (Registrant's Telephone Number)

          ALAN R. DYNNER, 255 State Street, Boston, Massachusetts 02109
          -------------------------------------------------------------
                     (Name and Address of Agent for Service)

It  is  proposed  that this filing  will become  effective  pursuant to Rule 485
  (check appropriate box):

[ ] immediately upon filing pursuant to paragraph (b)

[ ] on (date) pursuant to paragraph (b)

[ ] 60 days after filing pursuant to paragraph (a)(1)

[X] on July 30, 1999 pursuant to paragraph (a)(1)

[ ] 75 days after filing pursuant to paragraph (a)(2)

[ ] on (date) pursuant to paragraph (a)(2)


If appropriate, check the following box:

[ ]  this  post  effective  amendment  designates  a new  effective  date  for a
     previously filed post-effective amendment.


     High Income Portfolio and Strategic Income Portfolio have also executed
this Registration Statement.
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- --------------------------------------------------------------------------------
<PAGE>

LOGO

   Investing
     for the
        21st
  Century(R)





                                   EATON VANCE
                                   HIGH INCOME
                                      FUND




                    A mutual fund seeking high current income

                                Prospectus Dated
                                 August 1, 1999



  The Securities and Exchange Commission has not approved or disapproved these
    securities or determined whether this prospectus is truthful or complete.
            Any representation to the contrary is a criminal offense.



Information in this prospectus
                                           Page                           Page
- --------------------------------------------------------------------------------
Fund Summary                                2      Sales Charges            7
Investment Objective & Principal Policies          Redeeming Shares         7
     and Risks                              4      Shareholder Account
Management and Organization                 5         Features              8
Valuing Shares                              6      Tax Information          9
Purchasing Shares                           6      Financial Highlights     10
- --------------------------------------------------------------------------------


 This prospectus contains important information about the Fund and the services
            available to shareholders. Please save it for reference.

<PAGE>

FUND SUMMARY

INVESTMENT OBJECTIVE AND PRINCIPAL  STRATEGIES.  The Fund's investment objective
is to provide a high level of income.  To do so, the Fund  invests  primarily in
high yield,  high risk corporate bonds (so-called  "junk bonds").  A substantial
portion of Fund assets will constitute  bonds issued in connection with mergers,
acquisitions and other highly leveraged transactions.

The Fund  invests  at least 80% of its net  assets in  fixed-income  securities,
including convertible securities. The Fund may purchase bonds not paying current
income and bonds that do not make regular interest payments. The Fund may invest
up to 25% of its total  assets in foreign  securities.  The Fund will  generally
hold well in excess of 100  securities,  which  helps  reduce  investment  risk.
Investments are actively managed, so securities may be bought or sold on a daily
basis.  The credit  quality  and price of  securities  held and others  that are
available  will be  monitored,  and  attempts to improve  yield  through  timely
trading will be made.

The  Fund   currently   invests  its  assets  in  High  Income   Portfolio  (the
"Portfolio"),  a separate registered investment company with the same investment
objective and policies as the Fund.

PRINCIPAL RISK FACTORS. The Fund invests predominantly in below investment grade
bonds,  which have  speculative  characteristics  because of the credit  risk of
their  issuers.  Such  companies are more likely to default on their payments of
interest  and  principal  owed to the Fund,  and such  defaults  will reduce the
Fund's net asset value and income distributions.  An economic downturn generally
leads to a higher  non-payment  rate, and a security may lose significant  value
before a default occurs. The value of Fund shares may also decline when interest
rates rise, or when the supply of suitable bonds exceeds  market  demand.  Bonds
that do not make regular interest payments and foreign securities may be subject
to greater  volatility and have special risks.  The Fund is not  appropriate for
investors  who cannot  assume the greater risk of capital  depreciation  or loss
inherent in seeking higher yields.

The  Fund  is not a  complete  investment  program  and you may  lose  money  by
investing in the Fund.  An investment in the Fund is not a deposit in a bank and
is not insured or guaranteed by the Federal Deposit Insurance Corporation or any
other government agency.

PERFORMANCE  INFORMATION.  The following bar chart and table provide information
about the Fund's  performance,  including a comparison of the Fund's performance
to the  performance  of a  broad-based,  unmanaged  market  index of high  yield
corporate  bonds.  Although past  performance is no guarantee of future results,
this  performance  information  demonstrates  the risk  that  the  value of your
investment  will change.  The following  returns are for Class B shares for each
calendar year through  December 31, 1998 and do not reflect a sales  charge.  If
the sales charge was reflected, the returns would be lower.

<TABLE>
<CAPTION>
                                  Annual Total Return
                                     Class B Shares
<S>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>
11.58%   -8.14%   -2.84%   38.21%   13.41%   10.28%    2.51%   12.80%   11.37%    20.59%
 1989     1990     1991     1992     1993     1994     1995     1996     1997      1998
</TABLE>


The Fund's highest quarterly total return was             %, for the quarter
ended                          , and its lowest quarterly total return was
           %, for the quarter ended                              .  The
year-to-date total return through the end of the most recent calendar quarter
(January 1,  1999  to  June 30,  1999) was        %.  For the 30 days ended
March 31, 1999, the SEC yield for Class B shares was       % and for Class C
shares was          %.  For current yield information call 1-800-225-6265.

<TABLE>
<CAPTION>
                                                                           One      Five       Ten
 Average Annual Total Return as of December 31, 1998                       Year     Years      Years
- ----------------------------------------------------------------------------------------------------
<S>                                                                       <C>      <C>       <C>
 Class B Shares                                                            0.0%      0.0%       0.0%
 Class C Shares                                                            0.0%      0.0%       0.0%
 C.S. First Boston High Yield Bond Index                                   0.0%      0.0%       0.0%
</TABLE>

These returns  reflect any applicable  CDSC for Class B and Class C. The Class C
performance  shown above for the period prior to June 8, 1994 is the performance
of Class B shares,  adjusted for the sales charge that applies to Class C shares
(but not adjusted  for any other  differences  in the expenses of the  classes).
Class B  commenced  operations  on August 19,  1986.  Life of Fund  returns  are
calculated from August 31, 1986. The C. S. First Boston High Yield Bond Index is
a broad-based,  unmanaged market index of high yield corporate bonds.  Investors
cannot  invest  directly in an index.  (Source for C.S.  First Boston High Yield
Bond Index returns: C.S. First Boston)

FUND FEES AND EXPENSES. These tables describe the fees and expenses that you may
pay if you buy and hold shares.

                                        2
<PAGE>

<TABLE>
<CAPTION>
 Shareholder Fees
 (fees paid directly from your investment)                            Class B   Class C
- ---------------------------------------------------------------------------------------
<S>                                                                   <C>         <C>
 Maximum Sales Charge (Load) (as a percentage of offering price)      None        None
 Maximum Deferred Sales Charge (as a percentage of the
 lower of net asset value at time of purchase or time of redemption)  5.00%       1.00%
 Sales Charge Imposed on Reinvested Distributions                     None        None
 Exchange Fee                                                         None        None
</TABLE>

 Annual Fund Operating Expenses
 (expenses that are deducted from Fund assets)             Class B       Class C
- --------------------------------------------------------------------------------
 Management Fees                                             0.00%        0.00%
 Distribution and Service (12b-1) Fees*                      0.00%        0.00%
 Other Expenses                                              0.00%        0.00%
 Total Annual Fund Operating Expenses                        0.00%        0.00%

* Long-term shareholders may pay more than the economic equivalent of the front
  end sales charge permitted by the National Association of Securities Dealers,
  Inc.

EXAMPLE.  This  Example is intended to help you compare the cost of investing in
the Fund with the cost of investing in other mutual funds.  The Example  assumes
that you invest  $10,000  in the Fund for the time  periods  indicated  and then
redeem all of your shares at the end of those periods.  The Example also assumes
that your  investment has a 5% return each year and that the operating  expenses
remain the same.  Although  your actual  costs may be higher or lower,  based on
these assumptions your costs would be:

                                       1 Year    3 Years    5 Years    10 Years
- --------------------------------------------------------------------------------
  Class B shares                        $0          $0         $0         $0
  Class C shares                        $0          $0         $0         $0

You would pay the following expenses if you did not redeem your shares:


                                       1 Year    3 Years    5 Years    10 Years
- --------------------------------------------------------------------------------
  Class B shares                        $0          $0         $0         $0
  Class C shares                        $0          $0         $0         $0

                                       3

<PAGE>

INVESTMENT OBJECTIVE & PRINCIPAL POLICIES AND RISKS

The Fund's  investment  objective is to provide a high level of current  income.
The Fund's  investment  objective  and  certain  policies  may be changed by the
Trustees without shareholder approval. The Trustees have no present intention to
make a change and  intend to submit  any  material  change in the  objective  to
shareholders  for  approval.  The Fund  currently  seeks to meet its  investment
objective by investing in High Income  Portfolio (the  "Portfolio"),  a separate
open-ended  management  company that has the same  objective and policies as the
Fund.

The Portfolio  normally  invests at least 65% of its total assets in bonds rated
in the lowest investment grade category or below (i.e. bonds rated Baa and below
by Moody's Investors  Service,  Inc.  ("Moody's") or BBB and below by Standard &
Poor's Ratings Group ("S&P")), and in comparable unrated bonds.

The Portfolio may invest in debt  securities  that are not paying current income
in   anticipation   of  the  receipt  of  possible   future  income  or  capital
appreciation.  Interest  and/or  principal  payments  on a security  could be in
arrears when the security is acquired,  and the issuer may be in  bankruptcy  or
undergoing a debt  restructuring  or  reorganization.  These  securities  may be
unrated or the lowest rated obligations  (rated C by Moody's or D by S&P). Bonds
rated C by Moody's  are  regarded as having  extremely  poor  prospects  of ever
attaining  any real  investment  standing.  Bonds  rated D by S&P are in payment
default or a bankruptcy  petition  has been filed and debt service  payments are
jeopardized.  In order to enforce  its rights  with  defaulted  securities,  the
Portfolio  may be required to retain legal counsel  and/or a financial  adviser.
This may increase the Portfolio's  operating  expenses and adversely  affect the
Fund's net asset value.

The credit quality of most securities  held by the Portfolio  reflects a greater
possibility that adverse changes in the financial  condition of an issuer, or in
general  economic  conditions,  or both, may impair the ability of the issuer to
make payments of interest and principal.  The inability (or preceived inability)
of issuers to make timely  payment of interest and  principal  would likely make
the values of securities held by the Portfolio more volatile and could limit the
Portfolio's  ability to sell its securities at favorable  prices. In the absence
of a liquid  trading  market for  securities  held by it, the Portfolio may have
difficulties determining the fair market value of such securities.

Although  the  investment   adviser  considers   security  ratings  when  making
investment  decisions,  it performs its own credit and  investment  analysis and
does not rely  primarily  on the  ratings  assigned by the rating  services.  In
evaluating  the quality of a particular  issue,  whether  rated or unrated,  the
investment  adviser will normally take into  consideration,  among other things,
the issuer's  financial  resources and operating  history,  its  sensitivity  to
economic conditions and trends, the ability of its management, its debt maturity
schedules and borrowing  requirements,  and relative values based on anticipated
cash flow, interest and asset coverage,  and earnings prospects.  Because of the
greater number of investment considerations involved in investing in high yield,
high risk bonds,  the achievement of the Fund's  objectives  depends more on the
investment adviser's judgment and analytical abilities than would be the case if
the Portfolio  invested primarily in securities in the higher rating categories.
While the  investment  adviser  will attempt to reduce the risks of investing in
lower  rated  or  unrated  securities   through  active  portfolio   management,
diversification,  credit  analysis  and  attention to current  developments  and
trends in the economy and the financial markets,  there can be no assurance that
a broadly diversified  portfolio of such securities would  substantially  lessen
the risks of defaults brought about by an economic downturn or recession.

When deemed  prudent by the  investment  adviser,  the Portfolio  will engage in
active trading to attempt to improve yield. The annual  portfolio  turnover rate
may exceed  100%.  A mutual fund with a high  turnover  rate may  generate  more
capital gains than a fund with a lower rate. Capital gains distributions will be
made to  shareholders  if offsetting  capital loss  carryforwards  do not exist,
which reduces after tax returns of  shareholders  holding Fund shares in taxable
accounts.

The Portfolio may invest in zero coupon bonds, deferred interest bonds and bonds
on which the interest is payable in-kind ("PIK bonds"). Zero coupon and deferred
interest bonds are debt obligations  which are issued at a significant  discount
from face value.  While zero coupon bonds do not require the periodic payment of
interest,  deferred  interest  bonds  provide  for a period of delay  before the
regular payment of interest begins. PIK bonds are debt obligations which provide
that the issuer  thereof may, at its option,  pay interest on such bonds in cash
or in the form of additional debt  obligations.  Such investments may experience
greater volatility in market value due to changes in interest rates. In addition
to lower rated bonds, the Portfolio may invest in higher rated  securities.  The
Portfolio may also invest up to 20% of its net assets in common stocks and other
equity  securities  when  consistent with its objective or acquired as part of a
fixed-income security.

The  Portfolio  may invest up to 25% of net assets in  foreign  securities.  The
value of foreign  securities is affected by changes in currency  rates,  foreign
tax laws (including  withholding tax),  government  policies (in this country or
abroad) and  relations  between  nations.  In  addition,  the costs of investing
abroad are generally higher than in the United States, and

                                       4
<PAGE>

foreign securities markets may be less liquid, more volatile and less subject to
governmental supervision than markets in the United States.

The value of Fund shares  will  usually  change in  response  to  interest  rate
fluctuations.  When interest rates decline, the value of securities already held
by the Portfolio can be expected to rise. Conversely,  when interest rates rise,
the value of existing  portfolio  securities can be expected to decline.  Rating
downgrades of securities held by the Portfolio may reduce their value.

The  Portfolio may borrow  amounts up to 25% of its net assets,  but it will not
borrow  more  than  5% of the  value  of its  total  assets  except  to  satisfy
redemption  requests or for other  temporary  purposes.  Such  borrowings  would
result in increased  expense to the Fund and, while they are outstanding,  would
magnify  increases or decreases in the value of Fund shares.  The Portfolio will
not purchase additional portfolio securities while outstanding borrowings exceed
5% of the value of its total assets.

Like most mutual funds,  the Fund and Portfolio  rely on computers in conducting
daily business and processing information. There is a concern that on January 1,
2000 some  computer  programs  will be unable to recognize the new year and as a
consequence  computer  malfunctions will occur. Eaton Vance is taking steps that
it believes are  reasonably  designed to address this  potential  problem and to
obtain  satisfactory  assurance from other service providers to the Fund and the
Portfolio  that they are also  taking  steps to address  the  issue.  There can,
however,  be no  assurance  that  these  steps will be  sufficient  to avoid any
adverse  impact on the Fund and the  Portfolio  or  shareholders.  The Year 2000
concern may also adversely  impact issuers of obligations  held by the Portfolio
and the markets on which these  securities  trade.  The  foregoing  statement is
subject to the Year 2000  Information  and Readiness  Disclosure  Act, which may
protect Eaton Vance and the Fund and the Portfolio from  liability  arising from
the statement.

MANAGEMENT AND ORGANIZATION

MANAGEMENT. The Portfolio's investment adviser is Boston Management and Research
("BMR"), a subsidiary of Eaton Vance Management ("Eaton Vance"), The Eaton Vance
Building,  255 State Street,  Boston,  Massachusetts 02109. Eaton Vance has been
managing assets since 1924 and managing mutual funds since 1931. Eaton Vance and
its  subsidiaries  currently  manage over $37 billion on behalf of mutual funds,
institutional clients and individuals.

The  investment  adviser  manages the  investments of the Portfolio and provides
related office facilities and personnel. Under its investment advisory agreement
with the Portfolio,  BMR receives a monthly  advisory fee equal to the aggregate
of a daily asset based fee and a daily income based fee. The fees are applied on
the basis of the following categories.

                                                       Annual          Daily
Category    Daily Net Assets                         Asset Rate     Income Rate
- --------------------------------------------------------------------------------
  1         up to $500 million                         0.300%         3.00%
  2         $500 million but less than $1 billion      0.275%         2.75%
  3         $1 billion but less than $1.5 billion      0.250%         2.50%
  4         $1.5 billion but less than $2 billion      0.225%         2.25%
  5         $2 billion but less than $3 billion        0.200%         2.00%
  6         $3 billion and over                        0.175%         1.75%

On March 31, 1999, the Portfolio had net assets of $000,000,000.  For the fiscal
year ended March 31, 1999,  the Portfolio  paid BMR advisory fees  equivalent to
0.00% of the Portfolio's average net assets for such year.

Michael  Weilheimer is the portfolio  manager of the Portfolio (since January 1,
1996).  He also manages  other Eaton Vance  portfolios,  has been an Eaton Vance
portfolio  manager for more than 5 years, and is a Vice President of Eaton Vance
and BMR.

The  investment  adviser and the Fund and the  Portfolio  have adopted  Codes of
Ethics governing personal securities transactions. Under the Codes, employees of
Eaton Vance may purchase and sell securities  (including  securities held by the
Fund)  subject to cerain  pre-clearance  and  reporting  requirements  and other
procedures.

The  investment  adviser and the Fund and Portfolio have adopted Codes of Ethics
governing  personal  securities  transactions.  Under  the  Codes,  Eaton  Vance
employees may purchase and sell  securities  (including  securities  held by the
Portfolio) subject to certain pre-clearance and reporting requirements and other
procedures.

                                       5
<PAGE>
Eaton  Vance  serves  as  administrator  of the  Fund,  providing  the Fund with
administrative  services  and related  office  facilities.  Eaton Vance does not
currently receive a fee for serving as administrator.

ORGANIZATION.  The Fund is a  series  of  Eaton  Vance  Mutual  Funds  Trust,  a
Massachusetts  business trust. The Fund offers multiple classes of shares.  Each
class  represents a pro rata  interest in the Fund,  but is subject to different
expenses and rights. The Fund does not hold annual shareholder meetings, but may
hold  special  meetings  for matters that  require  shareholder  approval  (like
electing  or  removing  trustees,  approving  management  contracts  or changing
investment policies that may only be changed with shareholder approval). Because
the Fund invests in the Portfolio,  it may be asked to vote on certain Portfolio
matters  (like  changes  in certain  Portfolio  investment  restrictions).  When
necessary,  the Fund will hold a meeting of its  shareholders  to  consider  the
Portfolio  matter and then vote its interest in the  Portfolio in  proportion to
the votes cast by its shareholders.  The Fund can withdraw from the Portfolio at
any time.

VALUING SHARES

The Fund values its shares  once each day only when the New York Stock  Exchange
is open for  trading  (typically  Monday  through  Friday),  as of the  close of
regular trading on the Exchange  (normally 4:00 p.m. eastern time). The price of
Fund shares is their net asset value, which is derived from Portfolio  holdings.
Most debt securities are valued by an independent pricing service.

When  purchasing  or  redeeming  Fund  shares,   your  investment   dealer  must
communicate your order to the principal  underwriter by a specific time each day
in order for the purchase  price or  redemption  price to be based on that day's
net asset  value per share.  It is the  investment  dealer's  responsibility  to
transmit orders promptly.  The Fund may accept purchase and redemption orders as
of the time of their receipt by certain  investment dealers (or their designated
intermediaries).

PURCHASING SHARES

You may purchase Fund shares  through your  investment  dealer or by mailing the
account  application form included in this prospectus to the transfer agent (see
back cover for address).  Your initial  investment must be at least $1,000.  The
price of Class B and Class C shares is the net asset value;  however, you may be
subject  to a sales  charge  (called a  "contingent  deferred  sales  charge" or
"CDSC") if you redeem  Class B shares  within six years of  purchase  or Class C
shares within one year of purchase.  The sales charges are described below. Your
investment  dealer  can  help  you  decide  which  class of  shares  suits  your
investment needs.

After your initial investment, additional investments of $50 or more may be made
at any time by sending a check  payable to the order of the Fund or the transfer
agent  directly  to the  transfer  agent  (see back cover for  address).  Please
include  your name and  account  number  and the name of the Fund and Class with
each investment.

You may  also  make  automatic  investments  of $50 or more  each  month or each
quarter from your bank account.  You can establish bank  automated  investing on
the  account  application  or by calling  1-800-262-1122.  The  minimum  initial
investment  amount  and Fund  policy  of  redeeming  accounts  with low  account
balances are waived for bank  automated  investing  accounts  and certain  group
purchase plans.

SALES CHARGES

CONTINGENT  DEFERRED SALES CHARGE.  Each class of shares is subject to a CDSC on
certain  redemptions.  Class C shares are  subject  to a 1.00% CDSC if  redeemed
within 12 months of purchase.  Class B shares are subject to the following  CDSC
schedule:


 Year of Redemption After Purchase      CDSC
- --------------------------------------------
 First or Second                         5%
 Third                                   4%
 Fourth                                  3%
 Fifth                                   2%
 Sixth                                   1%
 Seventh or following                    0%


The CDSC is based on the lower of the net asset value at the time of purchase or
the  time  of  redemption.   Shares   acquired   through  the   reinvestment  of
distributions  are exempt from the CDSC.  Redemptions are made first from shares
that are not subject to a CDSC.

                                       6
<PAGE>

Class B and Class C CDSCs are waived for  redemptions  pursuant to a  Withdrawal
Plan  (see  "Shareholder  Account  Features")  and in  connection  with  certain
redemptions  from  tax-sheltered   retirement  plans.  Call  1-800-225-6265  for
details.  The Class B CDSC is also waived  following the death of all beneficial
owners of shares,  but only if the redemption is requested within one year after
death (a death certificate and other applicable documents may be required).

DISTRIBUTION  AND SERVICE  FEES.  Class B and Class C shares have adopted a plan
under Rule 12b-1 that allows the Fund to pay distribution  fees for the sale and
distribution of shares (so-called "12b-1 fees").  Class B and Class C shares pay
distribution  fees of 0.75% of average daily net assets annually.  Because these
fees are paid from Fund assets on an ongoing basis, they will increase your cost
over time and may cost you more than paying other types of sales charges.  Class
B and  Class C pay  service  fees  for  personal  and/or  account  services  not
exceeding 0.25% of average daily net assets  annually.  Class B only pay service
fees on shares that have been outstanding for 12 months.

If you redeem shares,  you may reinvest at net asset value any portion or all of
the  redemption  proceeds in the same class of shares of the Fund  provided that
the reinvestment occurs within 60 days of the redemption,  and the privilege has
not been  used  more than once in the  prior 12  months.  Your  account  will be
credited  with any CDSC paid in  connection  with the  redemption.  Reinvestment
requests  must be in writing.  If you  reinvest,  you will be sold shares at the
next determined net asset value following receipt of your request.

REDEEMING SHARES
  By Mail                          Send your request to the transfer agent along
                                   with  any  certificates   and  stock  powers.
                                   The  request  must  be signed exactly as your
                                   account   is   registered   and    signature
                                   guaranteed.   You   can   obtain  a signature
                                   guarantee at certain banks, savings  and loan
                                   institutions,   credit   unions,   securities
                                   dealers,   securities   exchanges,   clearing
                                   agencies    and    registered     securities
                                   associations.   You  may  be asked to provide
                                   additional  documents  if  your   shares  are
                                   registered  in  the  name  of  a corporation,
                                   partnership or fiduciary.

  By  Telephone                    You  can redeem up to $50,000 b y calling the
                                   transfer  agent  at  1-800-262-1122 on Monday
                                   through    Friday,  9:00 a.m.  to   4:00 p.m.
                                   (eastern   time).   Proceeds  of  a telephone
                                   redemption  can be mailed only to the account
                                   address.  Shares held by corporations, trusts
                                   or  certain  other  entities,  or  subject to
                                   fiduciary arrangements, cannot be redeemed by
                                   telephone.

  Through an Investment Dealer     Your  investment  dealer  is  responsible for
                                   transmitting the order promptly. A dealer may
                                   charge a fee for this service.

If you redeem shares, your redemption price will be based on the net asset value
per  share  next  computed  after  the  redemption  request  is  received.  Your
redemption  proceeds  will be paid in cash  within  seven  days,  reduced by the
amount  of any  applicable  CDSC  and any  federal  income  tax  required  to be
withheld.  Payments  will be sent by mail  unless  you  complete  the Bank  Wire
Redemptions section of the account application.

If you recently  purchased shares, the proceeds of a redemption will not be sent
until the purchase check (including a certified or cashier's check) has cleared.
If the purchase check has not cleared,  redemption proceeds may be delayed up to
15 days from the purchase  date.  If your account  value falls below $750 (other
than due to market  decline),  you may be asked to either add to your account or
redeem it within 60 days.  If you take no action,  your account will be redeemed
and the proceeds sent to you.

While redemption proceeds are normally paid in cash,  redemptions may be paid by
distributing marketable securities.  If you receive securities,  you could incur
brokerage or other charges in converting the securities to cash.

                                       7
<PAGE>

SHAREHOLDER ACCOUNT FEATURES

Once you purchase shares,  the transfer agent  establishes a Lifetime  Investing
Account(R) for you. Share certificates are issued only on request.

DISTRIBUTIONS. You may have your Fund distributions paid in one of the following
ways:

  .Full Reinvest Option       Dividends  and  capital  gains are  reinvested  in
                              additional  shares.  This  option will be assigned
                              if you do not specify an option.

  .Partial Reinvest Option    Dividends  are  paid in cash and capital gains are
                              reinvested in additional shares.

  .Cash Option                Dividends and capital gains are paid in cash.

  .Exchange Option            Dividends  and/or  capital gains are reinvested in
                              additional  shares  of  another  Eaton  Vance fund
                              chosen  by you.  Before selecting this option, you
                              must  obtain  a  prospectus  of the other fund and
                              consider its objectives and policies carefully.

INFORMATION FROM THE FUND.   From time to time, you may be mailed the following:

 .Annual  and  Semi-Annual  Reports,   containing  performance   information  and
     financial statements.
 .Periodic account statements, showing recent activity and total share balance.
 .Form 1099 and tax information needed to prepare your income tax returns.
 .Proxy materials, in the event a shareholder vote is required.
 .Special notices about significant events affecting your Fund.

WITHDRAWAL  PLAN. You may redeem shares on a regular  monthly or quarterly basis
by establishing a systematic withdrawal plan. Withdrawals will not be subject to
any applicable  CDSC if they do not in the aggregate  exceed 12% annually of the
account balance at the time the plan is  established.  A minimum account size of
$5,000 is required to establish a systematic withdrawal plan.

TAX-SHELTERED  RETIREMENT  PLANS.  Class C shares are  available for purchase in
connection with certain tax-sheltered  retirement plans. Call 1-800-225-6265 for
information.  Distributions  will  be  invested  in  additional  shares  for all
tax-sheltered retirement plans.

EXCHANGE  PRIVILEGE.  You may  exchange  your Class B and Class C shares for the
same class of another of another Eaton Vance fund.  Exchanges are generally made
at net asset value. If your shares are subject to a CDSC, the CDSC will continue
to apply to your new shares at the same CDSC  rate.  For  purposes  of the CDSC,
your shares will continue to age from the date of your original purchase.

Before exchanging,  you should read the prospectus of the new fund carefully. If
you wish to exchange  shares,  you may write to the transfer  agent  (address on
back  cover)  or call  1-800-262-1122.  Periodic  automatic  exchanges  are also
available.  The exchange  privilege may be changed or  discontinued at any time.
You will receive 60 days' notice of any material  change to the privilege.  This
privilege  may not be used for  "market  timing".  If an  account  (or  group of
accounts) makes more than two round-trip  exchanges within 12 months, it will be
deemed to be market timing.  The exchange privilege may be terminated for market
timing accounts.

TELEPHONE  TRANSACTIONS.  You can  redeem or  exchange  shares by  telephone  as
described in this prospectus.  The transfer agent and the principal  underwriter
have  procedures  in  place  to  authenticate  telephone  instructions  (such as
verifying  personal  account  information).  As long as the  transfer  agent and
principal underwriter follow these procedures,  they will not be responsible for
unauthorized  telephone  transactions  and you bear the  risk of  possible  loss
resulting from telephone transactions.  You may decline the telephone redemption
option on the account application. Telephone instructions are tape recorded.

"STREET NAME" ACCOUNTS. If your shares are held in a "street name" account at an
investment  dealer,  that dealer (and not the Fund or its  transfer  agent) will
perform all  recordkeeping,  transaction  processing and distribution  payments.
Because the Fund will have no record of your  transactions,  you should  contact
your investment  dealer to purchase,  redeem or exchange shares, to make changes
in your account, or to obtain account  information.  The transfer of shares in a
"street  name"  account to an account  with another  investment  dealer or to an
account  directly  with the Fund  involves  special  procedures  and you will be
required  to  obtain  historical  information  about  your  shares  prior to the
transfer. Before establishing a "street name" account with an investment dealer,
you should determine whether that dealer allows reinvestment of distributions in
"street name" accounts.

                                       8
<PAGE>

ACCOUNT QUESTIONS. If you have any questions about your account or the services
available, please call Eaton Vance Shareholder Services at 1-800-225-6265, or
write to the transfer agent (see back cover for address).

TAX INFORMATION

The Fund declares dividends daily and ordinarily pays distributions monthly. Any
net realized capital gains will be distributed once annually.  Your account will
be credited with dividends  beginning on the business day after the day when the
funds  used to  purchase  your  shares  are  collected  by the  transfer  agent.
Distributions  will generally be taxable to shareholders as ordinary  income.  A
redemption of Fund shares,  including an exchange for shares of another fund, is
a taxable transaction.  Distributions of any long-term capital gains are taxable
as long-term  gains. A portion of the Fund's  distributions  may be eligible for
the corporate dividends-received deduction.

Shareholders  should consult with their advisers concerning the applicability of
state, local and other taxes to an investment.

                                       9
<PAGE>

FINANCIAL HIGHLIGHTS

The  financial  highlights  are  intended  to help  you  understand  the  Fund's
financial  performance for the past five years. Certain information in the table
reflects the financial results for a single Fund share. The total returns in the
table  represent  the  rate an  investor  would  have  earned  (or  lost)  on an
investment  in the Fund  (assuming  reinvestment  of all  distributions  and not
taking  into  account a sales  charge).  This  information  has been  audited by
_____________________, independent accountants.  The report of _________________
___ and the Fund's financial statements are incorporated herein by reference and
included in the annual  report,  which is available  on request.  The Fund began
offering  two classes of shares on April 1, 1998.  Prior to that date,  the Fund
offered only Class B shares and Class C existed as a separate fund.

<TABLE>
<CAPTION>
                                               YEAR ENDED MARCH 31,
                        --------------------------------------------------------------------
                                 1999             1998       1997       1996        1995
                        --------------------------------------------------------------------
                         CLASS B     CLASS C    CLASS B    CLASS B    CLASS B     CLASS B
- --------------------------------------------------------------------------------------------
<S>                     <C>         <C>         <C>        <C>        <C>        <C>
  Net asset value -
  Beginning of year                             $  7.220   $  7.100   $  6.920    $  7.450
                                                --------   --------   --------    --------
  Income (loss) from
  operations:
  Net investment
  income                                        $  0.658   $  0.652   $  0.665    $  .0671
  Net realized and
  unrealized gain
  (loss)                                           0.774      0.120      0.189      (0.507)
                                                --------   --------   --------    --------
  Total income (loss)
  from operations                               $  1.432   $  0.772   $  0.854    $  0.164
                                                --------   --------   --------    --------
  Less
  distributions:
  From net investment
  income                                        $ (0.662)  $ (0.646)  $ (0.665)   $ (0.671)
  In excess of net
  investment
  income                                              --     (0.006)    (0.009)     (0.023)
                                                --------   --------   --------    --------
  Total distributions                           $ (0.622)  $ (0.652)  $ (0.674)   $ (0.694)

  Net asset value -
  End of year                                   $  8.030   $  7.220   $  7.100    $  6.920
                                                --------   --------   --------    --------
  Total return(1)                                 20.59%     11.37%     12.80%       2.51%
  Ratios/Supplemental Data:
  Net assets, end of
  year (000's omitted)                          $693,818   $598,273   $496,966    $439,171
  Ratios (as a percentage of average daily net assets):
   Expenses(2)                                      1.73%      1.77%      1.78%       1.78%
   Net investment income                            8.58%      8.97%      9.38%       9.52%
   Portfolio Turnover of the Portfolio               137%        78%        88%         53%
</TABLE>

(1)  Total  return is  calculated  assuming a purchase at the net asset value on
     the  first  day and a sale at the net  asset  value on the last day of each
     period reported. Distributions, if any, are assumed to be reinvested at the
     net asset value on the  reinvestment  date. Total return is not computed on
     an annualized basis.

(2)  Includes the Fund's share of the Portfolio's allocated expenses.

                                       10
<PAGE>


  LOGO

     Investing
       for the
          21st
    Century(R)



MORE INFORMATION
- --------------------------------------------------------------------------------

          ABOUT THE FUND:  More  information  is available  in the  statement of
          additional  information.  The statement of additional  information  is
          incorporated by reference into this prospectus. Additional information
          about the  Portfolio's  investments  is  available  in the  annual and
          semi-annual  reports to shareholders.  In the annual report,  you will
          find a discussion of the market  conditions and investment  strategies
          that  significantly  affected the Fund's  performance  during the past
          year.  You may  obtain  free  copies of the  statement  of  additional
          information and the shareholder reports by contacting:

                         Eaton Vance Distributors, Inc.
                            The Eaton Vance Building
                                255 State Street
                                Boston, MA 02109
                                 1-800-225-6265
                           website: www.eatonvance.com


          You  will  find  and  may  copy  information  about  the  Fund  at the
          Securities  and  Exchange   Commission's   public  reference  room  in
          Washington,  DC (call  1-800-SEC-0330  for information);  on the SEC's
          Internet site (http://www.sec.gov); or upon payment of copying fees by
          writing  to  the  SEC's  public  reference  room  in  Washington,   DC
          20549-6009.

          ABOUT SHAREHOLDER ACCOUNTS: You can obtain more information from Eaton
          Vance Share- holder Services  (1-800-225-6265).  If you own shares and
          would like to add to, redeem or change your  account,  please write or
          call the transfer agent:
- --------------------------------------------------------------------------------

                       First Data Investor Services Group
                                  P.O. Box 5123
                           Westborough, MA 01581-5123
                                 1-800-262-1122


SEC File No.  811-4015                                                       HIP
<PAGE>


                                    PART B
        INFORMATION REQUIRED IN A STATEMENT OF ADDITIONAL INFORMATION

                                                        STATEMENT OF
                                                        ADDITIONAL INFORMATION
                                                        August 1, 1999


                         EATON VANCE HIGH INCOME FUND

                               255 State Street
                         Boston, Massachusetts 02109
                                (800) 225-6265

    This Statement of Additional Information ("SAI") provides general
information about the Fund and the Portfolio. The Fund is a series of Eaton
Vance Mutual Funds Trust. Capitalized terms used in this SAI and not otherwise
defined have the meanings given them in the Fund's prospectus. This SAI contains
additional information about:

                              TABLE OF CONTENTS

                                                                          Page
Strategies and Risks ..................................................     2
Investment Restrictions ...............................................     6
Management and Organization ...........................................     8
Investment Advisory and Administrative Services .......................    12
Other Service Providers ...............................................    13
Purchasing and Redeeming Shares .......................................    13
Sales Charges .........................................................    15
Performance ...........................................................    17
Taxes .................................................................    19
Portfolio Security Transactions .......................................    20
Financial Statements ..................................................    22
Appendices:
    A: Class B Fees, Performance and Ownership ........................   a-1
    B: Class C Fees, Performance and Ownership ........................   b-1
    C: Asset Composition Information ..................................   c-1
    D: Corporate Bond Ratings .........................................   d-1

    THIS SAI IS NOT A PROSPECTUS AND IS AUTHORIZED FOR DISTRIBUTION TO
PROSPECTIVE INVESTORS ONLY IF PRECEDED OR ACCOMPANIED BY THE FUND'S PROSPECTUS
DATED AUGUST 1, 1999, AS SUPPLEMENTED FROM TIME TO TIME, WHICH IS INCORPORATED
HEREIN BY REFERENCE. THIS SAI SHOULD BE READ IN CONJUNCTION WITH SUCH
PROSPECTUS, WHICH MAY BE OBTAINED BY CALLING 1-800-225-6265.

<PAGE>


                             STRATEGIES AND RISKS

    The rating assigned to a security by a rating agency does not reflect
assessment of the volatility of the security's market value or of the liquidity
of an investment in the securities. Credit ratings are based largely on the
issuer's historical financial condition and the rating agency's investment
analysis at the time of rating, and the rating assigned to any particular
security is not necessarily a reflection of the issuer's current financial
condition. Credit quality in the high yield high risk bond market can change
from time to time, and recently issued credit ratings may not fully reflect the
actual risks posed by a particular high yield security.

    Certain securities held by the Portfolio may permit the issuer at its option
to "call," or redeem, its securities. If an issuer were to redeem securities
held by the Portfolio during a time of declining interest rates, the Portfolio
may not be able to reinvest the proceeds in securities providing the same
investment return as the securities redeemed.

OTHER FIXED-INCOME SECURITIES. Included in the fixed-income securities in which
the Portfolio may invest are preferred, preference and convertible stocks,
equipment lease certificates, equipment trust certificates and conditional sales
contracts. Preference stocks are stocks that have many characteristics of
preferred stocks, but are typically junior to an existing class of preferred
stocks. Equipment lease certificates are debt obligations secured by leases on
equipment (such as railroad cars, airplanes or office equipment), with the
issuer of the certificate being the owner and lessor of the equipment. Equipment
trust certificates are debt obligations secured by an interest in property (such
as railroad cars or airplanes), the title of which is held by a trustee while
the property is being used by the borrower. Conditional sales contracts are
agreements under which the seller of property continues to hold title to the
property until the purchase price is fully paid or other conditions are met by
the buyer.


    The Portfolio may purchase fixed-rate bonds which have a demand feature
allowing the holder to redeem the bonds at specified times. These bonds are more
defensive than conventional long-term bonds (protecting to some degree against a
rise in interest rates) while providing greater opportunity than comparable
intermediate term bonds, since the Portfolio may retain the bond if interest
rates decline. By acquiring these kinds of bonds the Portfolio obtains the
contractual right to require the issuer of the bonds to purchase the security at
an agreed upon price, which right is contained in the obligation itself rather
than in a separate agreement or instrument. Since this right is assignable only
with the bond, the Portfolio will not assign any separate value to such right.
The Portfolio may also purchase floating or variable rate obligations, which it
would anticipate using as short-term investments pending longer term investment
of its funds.


CONCENTRATION. Although there is no current intention to do so, the Portfolio
may invest up to 25% of its assets in securities of issuers in each of the
electric, gas and telephone utility industries if, in the opinion of the
investment adviser, the relative return available from such securities and the
relative risk, marketability, quality or availability of securities of issuers
in such industry justifies such an investment. The value of such investments may
be affected to a greater degree by adverse developments in such industries.
Industry-wide problems include the effects of fluctuating economic conditions,
energy conservation practices, environmental regulations, high capital
expenditures, construction delays due to pollution control and environmental
considerations, uncertainties as to fuel availability and costs, increased
competition in deregulated sectors of such industries and difficulties in
obtaining timely and adequate rate relief from regulatory commissions. If
applications for rate increases are not granted or are not acted upon promptly,
the market prices of and interest or dividend payments on utility securities may
be adversely affected.

LOAN INTERESTS. A loan in which the Portfolio may acquire a loan interest (a
"Loan Interest") is typically originated, negotiated and structured by a U.S. or
foreign commercial bank, insurance company, finance company or other financial
institution (the "Agent") for a lending syndicate of financial institutions. The
Agent typically administers and enforces the loan on behalf of the other lenders
in the syndicate. In addition, an institution, typically but not always the
Agent (the "Collateral Bank"), holds collateral (if any) on behalf of the
lenders. These Loan Interests may take the form of participation interests in,
assignments of or novations of a loan during its secondary distribution, or
direct interests during a primary distribution. Such Loan Interests may be
acquired from U.S. or foreign banks, insurance companies, finance companies or
other financial institutions who have made loans or are members of a lending
syndicate or from other holders of Loan Interests.

    The Portfolio may also acquire Loan Interests under which the Portfolio
derives its rights directly from the borrower. Such Loan Interests are
separately enforceable by the Portfolio against the borrower and all payments of
interest and principal are typically made directly to the Portfolio from the
borrower. In the event that the Portfolio and other lenders become entitled to
take possession of shared collateral, it is anticipated that such collateral
would be held in the custody of a Collateral Bank for their mutual benefit. The
Portfolio may not act as an Agent, a Collateral Bank, a guarantor or sole
negotiator or structurer with respect to a loan.

    The investment adviser will analyze and evaluate the financial condition of
the borrower in connection with the acquisition of any Loan Interest. The
investment adviser also analyzes and evaluates the financial condition of the
Agent and, in the case of Loan Interests in which the Portfolio does not have
privity with the borrower, those institutions from or through whom the Portfolio
derives its rights in a loan (the "Intermediate Participants"). From time to
time the investment adviser and its affiliates may borrow money from various
banks in connection with their business activities. Such banks may also sell
interests in loans to or acquire such interests from the Portfolio or may be
Intermediate Participants with respect to loans in which the Portfolio owns
interests. Such banks may also act as Agents for loans in which the Portfolio
owns interests.


    In a typical loan the Agent administers the terms of the loan agreement. In
such cases, the Agent is normally responsible for the collection of principal
and interest payments from the borrower and the apportionment of these payments
to the credit of all institutions which are parties to the loan agreement. The
Portfolio will generally rely upon the Agent or an Intermediate Participant to
receive and forward to the Portfolio its portion of the principal and interest
payments on the loan. Furthermore, unless under the terms of a participation
agreement the Portfolio has direct recourse against the borrower, the Portfolio
will rely on the Agent and the other members of the lending syndicate to use
appropriate credit remedies against the borrower. The Agent is typically
responsible for monitoring compliance with covenants contained in the loan
agreement based upon reports prepared by the borrower. The seller of the Loan
Interest usually does, but is often not obligated to, notify holders of Loan
Interests of any failures of compliance. The Agent may monitor the value of the
collateral and, if the value of the collateral declines, may accelerate the
loan, may give the borrower an opportunity to provide additional collateral or
may seek other protection for the benefit of the participants in the loan. The
Agent is compensated by the borrower for providing these services under a loan
agreement, and such compensation may include special fees paid upon structuring
and funding the loan and other fees paid on a continuing basis. With respect to
Loan Interests for which the Agent does not perform such administrative and
enforcement functions, the Portfolio will perform such tasks on its own behalf,
although a Collateral Bank will typically hold any collateral on behalf of the
Portfolio and the other lenders pursuant to the applicable loan agreement.

    A financial institution's appointment as Agent may usually be terminated in
the event that it fails to observe the requisite standard of care or becomes
insolvent, enters Federal Deposit Insurance Corporation ("FDIC") receivership,
or, if not FDIC insured, enters into bankruptcy proceedings. A successor Agent
would generally be appointed to replace the terminated Agent, and assets held by
the Agent under the loan agreement should remain available to holders of Loan
Interests. However, if assets held by the Agent for the benefit of the Portfolio
were determined to be subject to the claims of the Agent's general creditors,
the Portfolio might incur certain costs and delays in realizing payment on a
loan interest, or suffer a loss of principal and/or interest. In situations
involving Intermediate Participants similar risks may arise.

    Purchasers of Loan interests depend primarily upon the creditworthiness of
the borrower for payment of principal and interest. If the Portfolio does not
receive scheduled interest or principal payments on such indebtedness, the
Portfolio could be adversely affected. Loans that are fully secured offer the
Portfolio more protections than an unsecured loan in the event of non-payment of
scheduled interest or principal. However, there is no assurance that the
liquidation of collateral from a secured loan would satisfy the borrower's
obligation, or that the collateral can be liquidated. Indebtedness of borrowers
whose creditworthiness is poor involves substantially greater risks, and may be
highly speculative. Borrowers that are in bankruptcy or restructuring may never
pay off their indebtedness, or may pay only a small fraction of the amount owed.
Direct indebtedness of developing countries will also involve a risk that the
governmental entities responsible for the repayment of the debt may be unable,
or unwilling, to pay interest and repay principal when due.

    The Portfolio limits the amount of total assets that it will invest in any
one issuer or in issuers within the same industry. See Investment Restrictions
(1) and (5) below. For purposes of these restrictions, the Portfolio generally
will treat the borrower as the "issuer" of a Loan Interest held by the
Portfolio. In the case of loan participations where the Agent or Intermediate
Participant serves as financial intermediary between the Portfolio and the
borrower, the Portfolio, in appropriate circumstances, will treat both the Agent
or Intermediate Participant and the borrower as "issuers" for the purposes of
determining whether the Portfolio has invested more than 5% of its total assets
in a single issuer. Treating a financial intermediary as an issuer of
indebtedness may restrict the Portfolio's ability to invest in indebtedness
related to a single intermediary, or a group of intermediaries engaged in the
same industry, even if the underlying borrowers represent many different
companies and industries.


FOREIGN INVESTMENTS. Investing in foreign issuers involves certain special
considerations, including those set forth below, which are not typically
associated with investing in U.S. issuers. Since investments in foreign issuers
may involve currencies of foreign countries, and since the Portfolio may
temporarily hold funds in bank deposits in foreign currencies during completion
of investment programs, the Portfolio may be affected favorably or unfavorably
by changes in currency rates and in exchange control regulations and may incur
costs in connection with conversions between various currencies.

    Since foreign companies are not subject to uniform accounting, auditing and
financial reporting standards, practices and requirements comparable to those
applicable to U.S. companies, there may be less publicly available information
about a foreign company than about a domestic company. Foreign stock markets,
while growing in volume of trading activity, have substantially less volume than
the Exchange, and securities of some foreign companies are less liquid and more
volatile than securities of comparable U.S. companies. Similarly, volume and
liquidity in most foreign bond markets is less than in the United States and, at
times, volatility of price can be greater than in the United States. Fixed
commissions on foreign stock exchanges are generally higher than negotiated
commissions on U.S. exchanges, although the Portfolio endeavors to achieve the
most favorable net results on its portfolio transactions. There is generally
less government supervision and regulation of stock exchanges, brokers and
listed companies than in the United States. Mail service between the United
States and foreign countries may be slower or less reliable than within the
United States, thus increasing the risk of delayed settlements of portfolio
transactions or loss of certificates for portfolio securities. Investments may
include securities issued by companies in lesser-developed countries, which are
sometimes referred to as "emerging markets". Such countries pose a heightened
risk of nationalization or expropriation or confiscatory taxation, political,
financial or social instability, armed conflict or diplomatic developments which
could affect the Fund's investments in those countries. Moreover, individual
foreign economies may differ favorably or unfavorably from the U.S. economy in
such respects as growth of gross national product, rate of inflation, capital
reinvestment, resource self-sufficiency and balance of payments position.
Investments in foreign securities are not expected to exceed 25% of total
assets.

FORWARD FOREIGN CURRENCY EXCHANGE TRANSACTIONS. The Portfolio may enter into
forward foreign currency exchange contracts. A forward foreign currency exchange
contract involves an obligation to purchase or sell a specific currency at a
future date, which may be any fixed number of days from the date of the contract
agreed upon by the parties, at a price set at the time of the contract. These
contracts are traded in the interbank market conducted directly between currency
traders (usually large commercial banks) and their customers. A forward contract
generally has no deposit requirement, and no commissions are charged at any
stage for trades.


    At the maturity of a forward contract the Portfolio may either accept or
make delivery of the currency specified in the contract or, at or prior to
maturity, enter into a closing transaction involving the purchase or sale of an
offsetting contract. Closing transactions with respect to forward contracts are
usually effected with the currency trader who is a party to the original forward
contract.

    The Portfolio does not intend to enter into forward foreign currency
exchange contracts to protect the value of its portfolio securities on a regular
continuous basis, and will not do so if, as a result, the Portfolio will have
more than 15% of the value of its total assets committed to the consummation of
such contracts. The Portfolio also will not enter into such forward contracts or
maintain a net exposure to such contracts where the consummation of the
contracts would obligate the Portfolio to deliver an amount of foreign currency
in excess of the value of the securities held by the Portfolio's or other assets
denominated in that currency. Under normal circumstances, consideration of the
prospect for currency parities will be incorporated into the long-term
investment decisions made with regard to overall diversification strategies.
However, the Portfolio believes that it is important to have the flexibility to
enter into such forward contracts when it determines that the best interests of
the Portfolio will be served. The Portfolio generally will not enter into a
forward contract with a term of greater than one year.


OPTIONS ON SECURITIES. An options position may be closed out only on an options
exchange which provides a secondary market for an option of the same series.
Although the Portfolio will generally purchase or write only those options for
which there appears to be an active secondary market, there is no assurance that
a liquid secondary market on an exchange will exist for any particular option,
or at any particular time. For some options, no secondary market on an exchange
may exist. In such event, it might not be possible to effect closing
transactions in particular options, with the result that the Portfolio would
have to exercise its options in order to realize any profit and would incur
transaction costs upon the sale of underlying securities pursuant to the
exercise of put options. If the Portfolio as a covered call option writer is
unable to effect a closing purchase transaction in a secondary market, it will
not be able to sell the underlying security until the option expires or it
delivers the underlying security upon exercise.


    Reasons for the absence of a liquid secondary market on an exchange include
the following: (i) there may be insufficient trading interest in certain
options; (ii) restrictions may be imposed by an exchange on opening transactions
or closing transactions or both; (iii) trading halts, suspensions or other
restrictions may be imposed with respect to particular classes or series of
options or underlying securities; (iv) unusual or unforeseen circumstances may
interrupt normal operations on an exchange; (v) the facilities of an exchange or
the Options Clearing Corporation ("OCC") may not at all times be adequate to
handle current trading volume; or (vi) one or more exchanges could, for economic
or other reasons, decide or be compelled at some future date to discontinue the
trading of options (or a particular class or series of options), in which event
the secondary market on that exchange (or in that class or series of options)
would cease to exist, although outstanding options on that exchange that had
been issued by the OCC as a result of trades on that exchange would continue to
be exercisable in accordance with their terms.

    There is no assurance that higher than anticipated trading activity or other
unforeseen events might not, at times, render certain of the facilities of the
OCC inadequate, and thereby result in the institution by an exchange of special
procedures which may interfere with the timely execution of customers' orders.


FUTURES CONTRACTS. All futures contracts entered into by the Portfolio are
traded on exchanges or boards of trade that are licensed and regulated by the
Commodity Futures Trading Commission ("CFTC"). The Portfolio may purchase and
write call and put options on futures contracts which are traded on a U.S.
exchange or board of trade.

    The Portfolio will engage in futures and related options transactions for
bona fide hedging or non-hedging purposes as defined in or permitted by CFTC
regulations. The Portfolio will determine that the price fluctuations in the
futures contracts and options on futures used for hedging purposes are
substantially related to price fluctuations in securities held by the Portfolio
or which it expects to purchase. The Portfolio will engage in transactions in
futures and related options contracts only to the extent such transactions are
consistent with the requirements of the Code for maintaining the qualification
of the Fund as a regulated investment company for federal income tax purposes.

    To the extent that the Portfolio enters into futures contracts, options on
futures contracts and options on foreign currencies traded on an exchange
regulated by the CFTC, in each case that are not for bona fide hedging purposes
(as defined by the CFTC), the aggregate initial margin and premiums required to
establish these positions (excluding the amount by which options are
"in-the-money") may not exceed 5% of the liquidation value of the Portfolio's
investments, after taking into account unrealized profits and unrealized losses
on any contracts the Portfolio has entered into. The Portfolio did not engage in
such transactions during the fiscal year ended March 31, 1999, and there is no
assurance that it will engage in such transactions in the future.

ASSET COVERAGE FOR DERIVATIVE INSTRUMENTS. Transactions involving forward
contracts, futures contracts and options (other than options that the Portfolio
has purchased) expose the Portfolio to an obligation to another party. The
Portfolio will not enter into any such transactions unless it owns either (1) an
offsetting ("covered") position in securities, or other options, futures
contracts or forward contracts, or (2) cash or liquid securities (such as
readily marketable obligations and money market instruments) with a value
sufficient at all times to cover its potential obligations not covered as
provided in (1) above. The Portfolio will comply with Securities and Exchange
Commission ("SEC") guidelines regarding cover for these instruments and, if the
guidelines so require, set aside cash, or liquid securities in a segregated
account with its custodian in the prescribed amount. The securities in the
segregated account will be marked to market daily.

    Assets used as cover or held in a segregated account maintained by the
Portfolio's custodian cannot be sold while the position requiring coverage or
segregation is outstanding unless they are replaced with other appropriate
assets. As a result, the commitment of a large portion of the Portfolio's assets
to segregated accounts or to cover could impede portfolio management or the
Portfolio's ability to meet redemption requests or other current obligations.

SECURITIES LENDING. The Portfolio may seek to increase its income by lending
portfolio securities to broker-dealers or other institutional borrowers.
Distributions by the Fund of any income realized by the Portfolio from
securities loans will be taxable. If the management of the Portfolio decides to
make securities loans, it is intended that the value of the securities loaned
would not exceed 30% of the Portfolio's total assets. Securities lending
involves risks of delay in recovery or even loss of rights on the securities
loaned if the borrower fails financially. The Portfolio has no present intention
of engaging in securities lending.

INVESTMENT IN WARRANTS. The Portfolio may invest in warrants which have no
voting rights, pay no dividends and have no rights with respect to the assets of
the corporation issuing them. Warrants basically are options to purchase equity
securities at a specific price valid for a specific period of time. They do not
represent ownership of the securities, but only the right to buy them. Warrants
differ from calls in that warrants are issued by the same issuer as the security
which may be purchased on their exercise, whereas calls may be written or issued
by anyone. The prices of warrants do not necessarily move parallel to the prices
of the underlying securities.

RESTRICTED SECURITIES. The Portfolio may invest up to 15% of net assets in
illiquid securities. Illiquid securities include securities legally restricted
as to resale, such as commercial paper issued pursuant to Section 4(2) of the
Securities Act of 1933, as amended, and securities eligible for resale pursuant
to Rule 144A thereunder. Section 4(2) and Rule 144A securities may, however, be
treated as liquid by the investment adviser pursuant to procedures adopted by
the Trustees, which require consideration of factors such as trading activity,
availability of market quotations and number of dealers willing to purchase the
security. If the Portfolio invests in Rule 144A securities, the level of
portfolio illiquidity may be increased to the extent that eligible buyers become
uninterested in purchasing such securities.

    It may be difficult to sell such securities at a price representing their
fair value until such time as such securities may by sold publicly. Where
registration is required, a considerable period may elapse between a decision to
sell the securities and the time when the Portfolio would be permitted to sell.
Thus, the Portfolio may not be able to obtain as favorable a price as that
prevailing at the time of the decision to sell. The Portfolio may also acquire
securities through private placements under which it may agree to contractual
restrictions on the resale of such securities. Such restrictions might prevent
their sale at a time when such sale would otherwise be desirable.

TEMPORARY INVESTMENTS. The Portfolio may invest temporarily in cash or cash
equivalents. Cash equivalents are highly liquid, short-term securities such as
commercial paper, certificates of deposit, short-term notes and short-term U.S
Government obligations.

DIVERSIFIED STATUS. The Portfolio is a "diversified" investment company under
the 1940 Act. This means that with respect to 75% of its total assets (1) the
Portfolio may not invest more than 5% of its total assets in the securities of a
single issuer (except U.S. Government obligations) and (2) the Portfolio may not
own more than 10% of the outstanding voting securities of a single issuer which
generally is inapplicable because debt obligations are not voting securities.

PORTFOLIO TURNOVER. The Portfolio cannot accurately predict its portfolio
turnover rate, but it is anticipated that the annual turnover rate generally may
exceed 100% (excluding turnover of securities having a maturity of one year or
less). A 100% annual turnover rate could occur, for example, if all the
securities held by the Portfolio were replaced more than once in a period of one
year. A high turnover rate (100% or more) necessarily involves greater brokerage
expenses to the Portfolio and may result in the realization of substantial net
short-term capital gains.


                           INVESTMENT RESTRICTIONS


    The following investment restrictions are designated as fundamental policies
and as such cannot be changed without the approval of the holders of a majority
of the Fund's outstanding voting securities, which as used in this SAI means the
lesser of (a) 67% of the shares of the Fund present or represented by proxy at a
meeting if the holders of more than 50% of the outstanding shares are present or
represented at the meeting or (b) more than 50% of the outstanding shares of the
Fund.

    As a matter of fundamental policy, the Fund may not:

    (1) With respect to 75% of total assets of the Fund, purchase any security
if such purchase, at the time thereof, would cause more than 5% of the total
assets of the Fund (taken at market value) to be invested in the securities of a
single issuer, or cause more than 10% of the total outstanding voting securities
of such issuer to be held by the Fund, except obligations issued or guaranteed
by the U.S. Government, its agencies or instrumentalities and except securities
of other investment companies;


    (2) Borrow money or issue senior securities except as permitted by the 1940
Act;

    (3) Purchase securities on margin (but the Fund may obtain such short-term
credits as may be necessary for the clearance of purchases and sales of
securities). The deposit or payment by the Fund of initial, maintenance or
variation margin in connection with all types of options and futures contract
transactions is not considered the purchase of a security on margin;

    (4) Underwrite or participate in the marketing of securities of others,
except insofar as it may technically be deemed to be an underwriter in selling a
portfolio security under circumstances which may require the registration of the
same under the Securities Act of 1933;

    (5) Purchase any security if such purchase, at the time thereof, would cause
more than 25% of the Fund's total assets to be invested in any single industry,
provided that the electric, gas and telephone utility industries shall be
treated as separate industries for purposes of this restriction and further
provided that there is no limitation with respect to obligations issued or
guaranteed by the U.S. Government or any of its agencies or instrumentalities.

    (6) Purchase or sell real estate, although it may purchase and sell
securities which are secured by real estate and securities of companies which
invest or deal in real estate;

    (7) Purchase or sell physical commodities or contracts for the purchase or
sale of physical commodities; or

    (8) Make loans to any person except by (i) the acquisition of debt
securities and making portfolio investments, (ii) entering into repurchase
agreements or (iii) lending portfolio securities.


    With respect to restriction (5), the Fund will construe the phrase "more
than 25%" to be "25% or more".

    Notwithstanding the investment policies and restrictions of the Fund, the
Fund may invest all of its investable assets in an open-end management
investment company with substantially the same investment objective, policies
and restrictions as the Fund.


    The Portfolio has adopted substantially the same fundamental investment
restrictions as the foregoing investment restrictions adopted by the Fund; such
restrictions cannot be changed without the approval of a "majority of the
outstanding voting securities" of the Portfolio.


    For as long as a feeder fund of the Portfolio has registered shares in Hong
Kong (and for as long as Hong Kong requires the following restrictions), the
Portfolio may not (i) invest more than 10% of its net assets in the securities
of any one issuer or, purchase more than 10% of any class of security of any one
issuer, provided, however, up to 30% of the Portfolio's net asset value may be
invested in Government and public securities of the same issue; and the
Portfolio may invest all of its assets in Government and other public securities
in at least six different issues, (ii) invest more than 15% of net assets in
securities which are not listed or quoted on any stock exchange,
over-the-counter market or other organized securities market that is open to the
international public and on which such securities are regularly traded (a
"Market"), (iii) invest more than 15% of net assets in warrants and options for
non-hedging purposes, (iv) write call options on Portfolio investments exceeding
25% of its total net asset value in terms of exercise price, (v) enter into
futures contracts on an unhedged basis where the net total aggregate value of
contract prices, whether payable by or to the Portfolio under all outstanding
futures contracts, together with the aggregate value of holdings under (vi)
below exceeds 20% of the net asset value of the Portfolio, (vi) invest in
physical commodities (including gold, silver, platinum or other bullion) and
commodity based investments (other than shares in companies engaged in
producing, processing or trading in commodities) which value together with the
net aggregate value of the holdings described in (v) above, exceeds 20% of the
Portfolio's net asset value, (vii) purchase shares of other investment companies
exceeding 10% of net assets. In addition, the investment objective of any scheme
in which any Portfolio invests must not be to invest in investments prohibited
by this undertaking and where the scheme's investment objective is to invest
primarily in investments which are restricted by this undertaking, such holdings
must not be in contravention of the relevant limitation, (viii) borrow more than
25% of its net assets (provided that for the purposes of this paragraph, back to
back loans are not to be categorized as borrowings), (ix) write uncovered
options, (x) invest in real estate (including options, rights or interests
therein but excluding shares in real estate companies), (xi) assume, guarantee,
endorse or otherwise become directly or contingently liable for, or in
connection with, any obligation or indebtedness of any person in respect of
borrowed money without the prior written consent of the custodian of the
Portfolio, (xii) engage in short sales involving a liability to deliver
securities exceeding 10% of its net assets provided that any security which a
Portfolio does sell short must be actively traded on a market, (xiii) subject to
paragraph (v) above, purchase an investment with unlimited liability or (xiv)
purchase any nil or partly-paid securities unless any call thereon could be met
in full out of cash or near cash held by it in the amount of which has not
already been taken into account for the purposes of (ix) above.

    The Fund and the Portfolio have adopted the following nonfundamental
investment policies which may be changed by the Trustees without shareholder
approval. The Fund and the Portfolio will not:

    (a) invest more than 15% of its net assets in investments which are not
readily marketable, including restricted securities and repurchase agreements
maturing in more than seven days. Restricted securities for the purposes of this
limitation do not include securities eligible for resale pursuant to Rule 144A
under the Securities Act of 1933 and commercial paper issued pursuant to Section
4(2) of said Act that the Board of Trustees of the Trust or the Portfolio, or
their delegate, determines to be liquid, based upon the trading markets for the
specific security. Any such determination by a delegate will be made pursuant to
procedures adopted by the Board. If the Fund or Portfolio invests in Rule 144A
securities, the level of portfolio illiquidity may be increased to the extent
that eligible buyers become uninterested in purchasing such securities; or

    (b) make short sales of securities or maintain a short position, unless at
all times when a short position is open it owns an equal amount of such
securities or securities convertible into or exchangeable for, without payment
of any further consideration, securities of the same issuer as, and equal in
amount to, the securities sold short, and unless not more than 25% of its net
assets (taken at current value) is held as collateral for such sales at any one
time.

    Whenever an investment policy or investment restriction set forth in the
prospectus or this SAI states a maximum percentage of assets that may be
invested in any security or other asset, such percentage limitation or standard
shall be determined immediately after and as a result of the Fund's or the
Portfolio's acquisition of such security or asset. Accordingly, any later
increase or decrease resulting from a change in values, assets or other
circumstances, will not compel the Fund or the Portfolio, as the case may be, to
dispose of such security or other asset. Where applicable and notwithstanding
the foregoing, under normal market conditions the Fund and the Portfolio must
take actions necessary to comply with the policy of investing at least 65% of
total assets in the lowest investment grade and lower rated and unrated debt
obligations. Moreover, the Fund and Portfolio must always be in compliance with
the limitation on investing in illiquid securities and the borrowing policies
set forth above.

                         MANAGEMENT AND ORGANIZATION

FUND MANAGEMENT. The Trustees of the Trust are responsible for the overall
management and supervision of the Trust's affairs. The Trustees and officers of
the Trust and the Portfolio are listed below. Except as indicated, each
individual has held the office shown or other offices in the same company for
the last five years. Unless otherwise noted, the business address of each
Trustee and officer is The Eaton Vance Building, 255 State Street, Boston,
Massachusetts 02109. Those Trustees who are "interested persons" of the Trust or
the Portfolio, as defined in the 1940 Act are indicated by an asterisk(*).

JESSICA M. BIBLIOWICZ (39), Trustee*
President and Chief Executive Officer of National Financial Partners (a
  financial services company) (since April, 1999). President and Chief Operating
  Officer of John A. Levin & Co. (a registered investment advisor) (July, 1997
  to April, 1999) and a Director of Baker, Fentress & Company which owns John A.
  Levin & Co. (July, 1997 to April, 1999). Executive Vice President of Smith
  Barney Mutual Funds (from July, 1994 to June, 1997). Elected Trustee October
  30, 1998. Trustee of various investment companies managed by Eaton Vance or
  BMR since October 30, 1998.
Address: 1301 Avenue of the Americas, New York, NY 10019

DONALD R. DWIGHT (68), Trustee
President of Dwight Partners, Inc. (a corporate relations and communications
  company). Trustee/Director of the Royce Funds (mutual funds). Trustee of
  various investment companies managed by Eaton Vance or BMR.
Address: Clover Mill Lane, Lyme, New Hampshire 03768

JAMES B. HAWKES (57), President and Trustee*
Chairman, President and Chief Executive Officer of BMR, Eaton Vance and their
  corporate parent and trustee (EVC and EV); Director of EV and EVC. Trustee and
  officer of various investment companies managed by Eaton Vance or BMR.

SAMUEL L. HAYES, III (64), Trustee
Jacob H. Schiff Professor of Investment Banking Emeritus, Harvard University
  Graduate School of Business Administration. Trustee of the Kobrick-Cedant
  Investment Trust (mutual funds). Trustee of various investment companies
  managed by Eaton Vance or BMR.
Address: 345 Nahatan Road, Westwood, Massachusetts 02090

NORTON H. REAMER (63), Trustee
Chairman of the Board and Chief Executive Officer, United Asset Management
  Corporation (a holding company owning institutional investment management
  firms); Chairman, President and Director, UAM Funds (mutual funds). Trustee of
  various investment companies managed by Eaton Vance or BMR.
Address: One International Place, Boston, Massachusetts 02110

LYNN A. STOUT (41), Trustee
Professor of Law, Georgetown University Law Center. Elected Trustee October
  30, 1998. Trustee of various investment companies managed by Eaton Vance or
  BMR since October 30, 1998.
Address: 600 New Jersey Avenue, NW, Washington, DC 20001

JACK L. TREYNOR (69), Trustee
Investment Adviser and Consultant. Trustee of various investment companies
  managed by Eaton Vance or BMR.
Address: 504 Via Almar, Palos Verdes Estates, California 90274

WILLIAM H. AHERN, JR. (40), Vice President of the Trust
Vice President of BMR and Eaton Vance. Officer of various investment companies
  managed by Eaton Vance or BMR.

THOMAS J. FETTER (55), Vice President of the Trust
Vice President of BMR and Eaton Vance. Officer of various investment companies
  managed by Eaton Vance or BMR.

ROBERT B. MACINTOSH (42), Vice President of the Trust
Vice President of BMR and Eaton Vance. Officer of various investment companies
  managed by Eaton Vance or BMR.

MICHAEL WEILHEIMER (38), Vice President of the Portfolio
Vice President of BMR and Eaton Vance. Officer of various investment companies
  managed by Eaton Vance or BMR.

MICHAEL B. TERRY (56), Vice President of the Trust
Vice President of BMR and Eaton Vance. Officer of various investment companies
  managed by Eaton Vance or BMR.

JAMES L. O'CONNOR (54), Treasurer
Vice President of BMR and Eaton Vance. Officer of various investment companies
  managed by Eaton Vance or BMR.

ALAN R. DYNNER (58), Secretary
Vice President and Chief Legal Officer of BMR, Eaton Vance, and EVC since
  November 1, 1996. Previously, he was a Partner of the law firm of Kirkpartrick
  & Lockhart LLP, New York and Washington, D.C., and was Executive Vice
  President of Neuberger & Berman Management, Inc., a mutual fund management
  company. Officer of various investment companies managed by Eaton Vance or
  BMR.

JANET E. SANDERS (63), Assistant Treasurer and Assistant Secretary
Vice President of BMR and Eaton Vance. Officer of various investment companies
  managed by Eaton Vance or BMR.

A. JOHN MURPHY (36), Assistant Secretary
Assistant Vice President of BMR and Eaton Vance. Officer of various investment
  companies managed by Eaton Vance or BMR.

ERIC G. WOODBURY (42), Assistant Secretary
Vice President of BMR and Eaton Vance. Officer of various investment companies
  managed by Eaton Vance or BMR.

    The Nominating Commitee of the Board of Trustees of the Trust and the
Portfolio is comprised of all Trustees who are not "interested persons" as that
term is defined by the 1940 Act ("noninterested Trustees"). The purpose of the
Committee is to recommend to the Board nominees for the position of
noninterested Trustee and to assure that at least a majority of the Board of
Trustees is independent of Eaton Vance and its affiliates.

    Messrs. Hayes (Chairman), Dwight and Reamer and Ms. Stout are members of the
Special Committee of the Board of Trustees of the Trust and of the Portfolio.
The purpose of the Special Committee is to consider, evaluate and make
recommendations to the full Board of Trustees concerning (i) all contractual
arrangements with service providers to the Fund and the Portfolio, including
investment advisory (Portfolio only), administrative, transfer agency,
custodial, fund accounting and distribution services, and (ii) all other matters
in which Eaton Vance or its affiliates has any actual or potential conflict of
interest with the Fund, the Portfolio or investors therein.

    Messrs. Treynor (Chairman) and Dwight are members of the Audit Committee of
the Board of Trustees of the Trust and of the Portfolio. The Audit Committee's
functions include making recommendations to the Trustees regarding the selection
of the independent accountants, and reviewing matters relative to trading and
brokerage policies and practices, accounting and auditing practices and
procedures, accounting records, internal accounting controls, and the functions
performed by the custodian, transfer agent and dividend disbursing agent of the
Trust and of the Portfolio.

    Trustees of the Portfolio who are not affiliated with the investment adviser
may elect to defer receipt of all or a percentage of their annual fees in
accordance with the terms of a Trustees Deferred Compensation Plan (the
"Trustees" Plan"). Under the Trustees' Plan, an eligible Trustee may elect to
have his deferred fees invested by the Portfolio in the shares of one or more
funds in the Eaton Vance Family of Funds, and the amount paid to the Trustees
under the Trustees' Plan will be determined based upon the performance of such
investments. Deferral of Trustees' fees in accordance with the Trustees' Plan
will have a negligible effect on the Portfolio's assets, liabilities, and net
income per share, and will not obligate the Portfolio to retain the services of
any Trustee or obligate the Portfolio to pay any particular level of
compensation to the Trustee. Neither the Portfolio nor the Trust has a
retirement plan for its Trustees.

    The fees and expenses of the noninterested Trustees of the Trust and of the
Portfolio are paid by the Fund (and the other series of the Trust) and the
Portfolio, respectively. (The Trustees of the Trust and the Portfolio who are
members of the Eaton Vance organization receive no compensation from the Trust
or the Portfolio.) During the fiscal year ended March 31, 1999, the
noninterested Trustees of the Trust and the Portfolio earned the following
compensation in their capacities as Trustees from the Trust and the Portfolio,
and for the year ended December 31, 1998, earned the following compensation in
their capacities as Trustees of the funds in the Eaton Vance fund complex(1):


<TABLE>
<CAPTION>
                                    JESSICA M.    DONALD R.     SAMUEL L.     NORTON H.      LYNN A.       JOHN L.       JACK L.
SOURCE OF COMPENSATION            BIBLIOWICZ(9)     DWIGHT      HAYES, III      REAMER       STOUT(9)     THORNDIKE      TREYNOR
- ----------------------            -------------     ------      ----------      ------       --------     ---------      -------

<S>                                <C>           <C>           <C>             <C>          <C>          <C>            <C>
Trust(2) ......................... $             $             $               $           $             $              $
Portfolio ........................
Trust and Fund Complex ...........
- ----------
(1) As of August 1, 1999 the Eaton Vance fund complex consists of 155 registered investment companies or series thereof.
(2) As of March 31, 1999, the Trust consisted of 11 Funds.
(3) Includes $      of deferred compensation.
(4) Includes $      of deferred compensation.
(5) Includes $      of deferred compensation.
(6) Includes $       of deferred compensation.
(7) Includes $       of deferred compensation.
(8) Includes $        of deferred compensation.
(9) Ms. Bibliowicz and Ms.Stout were elected Trustees on October 30, 1998.
</TABLE>

ORGANIZATION. The Fund is a series of the Trust, which is organized under
Massachusetts law as a business trust and is operated as an open-end management
investment company. The Trust changed its name from Eaton Vance Government
Obligations Trust on July 10, 1995. The Fund (formerly EV Marathon High Income
Fund) established 2 classes of shares on April 1, 1998 -- Class B shares and
Class C shares (formerly EV Classic High Income Fund) of Eaton Vance High Income
Fund. Information herein prior to such date is for the Fund before it became a
multiple-class fund.

    The Trust may issue an unlimited number of shares of beneficial interest (no
par value per share) in one or more series (such as the Fund). The Trustees of
the Trust have divided the shares of the Fund into multiple classes. Each class
represents an interest in the Fund, but is subject to different expenses, rights
and privileges. The Trustees have the authority under the Declaration of Trust
to create additional classes of shares with differing rights and privileges.
When issued and outstanding, shares are fully paid and nonassessable by the
Trust. Shareholders are entitled to one vote for each full share held.
Fractional shares may be voted proportionately. Shares of the Fund will be voted
together except that only shareholders of a particular class may vote on matters
affecting only that class. Shares have no preemptive or conversion rights and
are freely transferable. In the event of the liquidation of the Fund,
shareholders of each class are entitled to share pro rata in the net assets
attributable to that class available for distribution to shareholders.

    The Trustees of the Trust have considered the advantages and disadvantages
of investing the assets of the Fund in the Portfolio, as well as the advantages
and disadvantages of the two-tier format. The Trustees believe that the
structure offers opportunities for growth in the assets of the Portfolio, may
afford the potential for economies of scale for the Fund and may over time
result in lower expenses for the Fund.

    As permitted by Massachusetts law, there will normally be no meetings of
shareholders for the purpose of electing Trustees unless and until such time as
less than a majority of the Trustees of the Trust holding office have been
elected by shareholders. In such an event, the Trustees then in office will call
a shareholders' meeting for the election of Trustees. Except for the foregoing
circumstances and unless removed by action of the shareholders in accordance
with the Trust's by-laws, the Trustees shall continue to hold office and may
appoint successor Trustees.

    The Trust's By-laws provide that no person shall serve as a Trustee if
shareholders holding two-thirds of the outstanding shares have removed him from
that office either by a written declaration filed with the Trust's custodian or
by votes cast at a meeting called for that purpose. The By-laws further provide
that under certain circumstances the shareholders may call a meeting to remove a
Trustee and that the Trust is required to provide assistance in communicating
with investors about such a meeting.

    The Trust's Declaration of Trust may be amended by the Trustees when
authorized by vote of a majority of the outstanding voting securities of the
Trust, the financial interests of which are affected by the amendment. The
Trustees may also amend the Declaration of Trust without the vote or consent of
shareholders to change the name of the Trust or any series or to make such other
changes (such as reclassifying series or classes of shares or restructuring the
Trust) as do not have a materially adverse effect on the financial interests of
shareholders or if they deem it necessary to conform it to applicable federal or
state laws or regulations. The Trust's By-laws provide that the Trust will
indemnify its Trustees and officers against liabilities and expenses incurred in
connection with any litigation or proceeding in which they may be involved
because of their offices with the Trust. However, no indemnification will be
provided to any Trustee or officer for any liability to the Trust or its
shareholders by reason of willful misfeasance, bad faith, gross negligence or
reckless disregard of the duties involved in the conduct of his office. The
Trust or any series or class thereof may be terminated by: (1) the affirmative
vote of the holders of not less than two-thirds of the shares outstanding and
entitled to vote at any meeting of shareholders of the Trust or the appropriate
series or class thereof, or by an instrument or instruments in writing without a
meeting, consented to by the holders of two-thirds of the shares of the Trust or
a series or class thereof, provided, however, that, if such termination is
recommended by the Trustees, the vote of a majority of the outstanding voting
securities of the Trust or a series or class thereof entitled to vote thereon
will be sufficient authorization; or (2) by means of an instrument in writing
signed by a majority of the Trustees, to be followed by a written notice to
shareholders stating that a majority of the Trustees has determined that the
continuation of the Trust or a series or a class thereof is not in the best
interest of the Trust, such series or class or of their respective shareholders.

    Under Massachusetts law, if certain conditions prevail, shareholders of a
Massachusetts business trust (such as the Trust) could be deemed to have
personal liability for the obligations of the Trust. Numerous investment
companies registered under the 1940 Act have been formed as Massachusetts
business trusts, and management is not aware of an instance where such liability
has been imposed. The Trust's Declaration of Trust contains an express
disclaimer of liability on the part of the Fund shareholders and the Trust's
By-laws provide that the Trust shall assume the defense on behalf of any Fund
shareholders. (The Declaration of Trust also contains provisions limiting the
liability of a series or class to that series or class.) Moreover, the Trust's
By-laws also provide for indemnification out of the property of the Fund of any
shareholder held personally liable solely by reason of being or having been a
shareholder for all loss or expense arising from such liability. The assets of
the Fund are readily marketable and will ordinarily substantially exceed its
liabilities. In light of the nature of the Fund's business and the nature of its
assets, management believes that the possibility of the Fund's liability
exceeding its assets, and therefore the shareholder's risk of personal
liability, is remote.

    The Portfolio is organized as a trust under the laws of the state of New
York and intends to be treated as a partnership for federal tax purposes. In
accordance with the Declaration of Trust of the Portfolio, there will normally
be no meetings of the investors for the purpose of electing Trustees unless and
until such time as less than a majority of the Trustees of the Portfolio holding
office have been elected by investors. In such an event the Trustees of the
Portfolio then in office will call an investors' meeting for the election of
Trustees. Except for the foregoing circumstances and unless removed by action of
the investors in accordance with the Portfolio's Declaration of Trust, the
Trustees shall continue to hold office and may appoint successor Trustees.

    The Portfolio's Declaration of Trust provides that the Fund and other
entities permitted to invest in the Portfolio (e.g., other U.S. and foreign
investment companies, and common and commingled trust funds) will each be liable
for all obligations of the Portfolio. However, the risk of the Fund incurring
financial loss on account of such liability is limited to circumstances in which
both inadequate insurance exists and the Portfolio itself is unable to meet its
obligations. Accordingly, the Trustees of the Trust believe that neither the
Fund nor its shareholders will be adversely affected by reason of the Fund
investing in the Portfolio.

    Whenever the Fund as an investor in a Portfolio is requested to vote on
matters pertaining to the Portfolio (other than the termination of the
Portfolio's business, which may be determined by the Trustees of the Portfolio
without investor approval), the Fund will hold a meeting of Fund shareholders
and will vote its interest in the Portfolio for or against such matters
proportionately to the instructions to vote for or against such matters received
from Fund shareholders. The Fund shall vote shares for which it receives no
voting instructions in the same proportion as the shares for which it receives
voting instructions. Other investors in the Portfolio may alone or collectively
acquire sufficient voting interests in the Portfolio to control matters relating
to the operation of the Portfolio, which may require the Fund to withdraw its
investment in the Portfolio or take other appropriate action. Any such
withdrawal could result in a distribution "in kind" of portfolio securities (as
opposed to a cash distribution from the Portfolio). If securities are
distributed, the Fund could incur brokerage, tax or other charges in converting
the securities to cash. In addition, the distribution in kind may result in a
less diversified portfolio of investments or adversely affect the liquidity of
the Fund. Notwithstanding the above, there are other means for meeting
shareholder redemption requests, such as borrowing.

    The Fund may withdraw (completely redeem) all its assets from the Portfolio
at any time if the Board of Trustees of the Trust determines that it is in the
best interest of the Fund to do so. In the event the Fund withdraws all of its
assets from the Portfolio, or the Board of Trustees of the Trust determines that
the investment objective of the Portfolio is no longer consistent with the
investment objective of the Fund, the Trustees would consider what action might
be taken, including investing the assets of the Fund in another pooled
investment entity or retaining an investment adviser to manage the Fund's assets
in accordance with its investment objective. The Fund's investment performance
may be affected by a withdrawal of all its assets (or the assets of another
investor in the Portfolio) from the Portfolio.

               INVESTMENT ADVISORY AND ADMINISTRATIVE SERVICES

INVESTMENT ADVISORY SERVICES. BMR manages the investments and affairs of the
Portfolio subject to the supervision of the Portfolio's Board of Trustees. BMR
furnishes to the Portfolio investment research, advice and supervision,
furnishes an investment program and determines what securities will be
purchased, held or sold by the Portfolio and what portion, if any, of the
Portfolio's assets will be held uninvested. The Investment Advisory Agreement
requires BMR to pay the salaries and fees of all officers and Trustees of the
Portfolio who are members of the BMR organization and all personnel of BMR
performing services relating to research and investment activities.

    For a description of the compensation that the Portfolio pays BMR under the
Investment Advisory Agreement, see the Prospectus. As at March 31, 1999, the
Portfolio had net assets of $ . For the fiscal years ended March 31, 1999, 1998
and 1997, the Portfolio paid BMR advisory fees of $ , $4,736,709 and $3,683,894,
respectively, (equivalent to 0.00%, 0.58% and 0.61% of the Portfolio's average
daily net assets for each such year).


    The Investment Advisory Agreement with BMR continues in effect from year to
year for so long as such continuance is approved at least annually (i) by the
vote of a majority of the noninterested Trustees of the Portfolio cast in person
at a meeting specifically called for the purpose of voting on such approval and
(ii) by the Board of Trustees of the Portfolio or by vote of a majority of the
outstanding voting securities of the Portfolio. The Agreement may be terminated
at any time without penalty on sixty (60) days' written notice by the Board of
Trustees of either party, or by vote of the majority of the outstanding voting
securities of the Portfolio, and the Agreement will terminate automatically in
the event of its assignment. The Agreement provides that BMR may render services
to others. The Agreement also provides that BMR shall not be liable for any loss
incurred in connection with the performance of its duties, or action taken or
omitted under that Agreement, in the absence of willful misfeasance, bad faith,
gross negligence in the performance of its duties or by reason of its reckless
disregard of its obligations and duties thereunder, or for any losses sustained
in the acquisition, holding or disposition of any security or other investment.


ADMINISTRATIVE SERVICES. As indicated in the Prospectus, Eaton Vance serves as
Administrator of the Fund, but currently receives no compensation for providing
administrative services to the Fund. Under its Administrative Services Agreement
with the Trust, Eaton Vance has been engaged to administer the Fund's affairs,
subject to the supervision of the Trustees of the Trust, and shall furnish for
the use of the Fund office space and all necessary office facilities, equipment
and personnel for administering the affairs of the Fund.

INFORMATION ABOUT BMR AND EATON VANCE. BMR and Eaton Vance are business trusts
organized under Massachusetts law. Eaton Vance, Inc. ("EV") serves as trustee
of BMR and Eaton Vance. BMR, Eaton Vance and EV are wholly-owned subsidiaries
of Eaton Vance Corporation ("EVC"), a Maryland corporation and publicly-held
holding company. EVC through its subsidiaries and affiliates engages primarily
in investment management, administration and marketing activities. The
Directors of EV are James B. Hawkes, Benjamin A. Rowland, Jr., John G. L.
Cabot, John M. Nelson, Vincent M. O'Reilly and Ralph Z. Sorenson. All of the
issued and outstanding shares of Eaton Vance are owned by EVC. All of the
issued and outstanding shares of BMR are owned by Eaton Vance. All shares of
the outstanding Voting Common Stock of EVC are deposited in a Voting Trust,
the Voting Trustees of which are Messrs. Hawkes, and Rowland and Alan R.
Dynner, Thomas E. Faust, Jr., Thomas J. Fetter, Duncan W. Richardson, William
M. Steul and Wharton P. Whitaker (all of whom are officers of Eaton Vance).
The Voting Trustees have unrestricted voting rights for the election of
Directors of EVC. All of the outstanding voting trust receipts issued under
said Voting Trust are owned by certain of the officers of BMR and Eaton Vance
who are also officers or officers and Directors of EVC and EV. As indicated
under "Management and Organization", all of the officers of the Trust (as well
as Mr. Hawkes who is also a Trustee) hold positions in the Eaton Vance
organization.

EXPENSES. The Fund and Portfolio are each responsible for all expenses not
expressly stated to be payable by another party (such as the investment adviser
under the Investment Advisory Agreement, Eaton Vance under the Administrative
Services Agreement or the principal underwriter under the Distribution
Agreement). In the case of expenses incurred by the Trust, the Fund is
responsible for its pro rata share of those expenses. The only expenses of the
Fund allocated to a particular class are those incurred under the Distribution
Plan applicable to that class and the fee paid to the principal underwriter for
handling share repurchases.

                           OTHER SERVICE PROVIDERS

PRINCIPAL UNDERWRITER. Eaton Vance Distributors, Inc. ("EVD"), The Eaton Vance
Building, 255 State Street, Boston, MA 02109, is the Fund's principal
underwriter. The principal underwriter acts as principal in selling shares under
a Distribution Agreement with the Trust. The expenses of printing copies of
prospectuses used to offer shares and other selling literature and of
advertising are borne by the principal underwriter. The fees and expenses of
qualifying and registering and maintaining qualifications and registrations of
the Fund and its shares under federal and state securities laws are borne by the
Fund. The Distribution Agreement as it applies to Class B and Class C shares is
renewable annually by the Trust's Board of Trustees (including a majority of the
noninterested Trustees who have no direct or indirect financial interest in the
operation of the Distribution Plan or the Distribution Agreement), may be
terminated on sixty days' notice either by such Trustees or by vote of a
majority of the outstanding shares of the relevant class or on six months'
notice by the principal underwriter and is automatically terminated upon
assignment. The principal underwriter distributes shares on a "best efforts"
basis under which it is required to take and pay for only such shares as may be
sold. The principal underwriter allows investment dealers discounts from the
applicable public offering price which are alike for all investment dealers. See
"Sales Charges." EVD is a wholly-owned subsidiary of EVC. M. Hawkes is a Vice
President and Director and Messrs. Dynner and O'Connor are Vice Presidents of
EVD.

CUSTODIAN. Investors Bank & Trust Company ("IBT"), 200 Clarendon Street, Boston,
MA 02116, serves as custodian to the Fund and Portfolio. IBT has the custody of
all cash and securities representing the Fund's interest in the Portfolio, has
custody of the Portfolio's assets, maintains the general ledger of the Portfolio
and the Fund and computes the daily net asset value of interests in the
Portfolio and the net asset value of shares of the Fund. In such capacity it
attends to details in connection with the sale, exchange, substitution, transfer
or other dealings with the Portfolio's investments, receives and disburses all
funds and performs various other ministerial duties upon receipt of proper
instructions from the Trust and the Portfolio. IBT also provides services in
connection with the preparation of shareholder reports and the electronic filing
of such reports with the SEC. EVC and its affiliates and their officers and
employees from time to time have transactions with various banks, including IBT.
It is Eaton Vance's opinion that the terms and conditions of such transactions
were not and will not be influenced by existing or potential custodial or other
relationships between the Fund or the Portfolio and such banks.

INDEPENDENT ACCOUNTANTS. Deloitte & Touche LLP, 125 Summer Street, Boston,
Massachusetts 02110, are the independent accountants of the Fund and the
Portfolio, providing audit services, tax return preparation, and assistance and
consultation with respect to the preparation of filings with the SEC.

TRANSFER AGENT.  First Data Investor Services Group, P.O. Box 5123,
Westborough, MA 01581-5123, serves as transfer and dividend disbursing agent
for the Fund.

                       PURCHASING AND REDEEMING SHARES

CaLCULATION OF NET ASSET VALUE. The net asset value of the Portfolio is computed
by IBT (as agent and custodian for the Portfolio) by subtracting the liabilities
of the Portfolio from the value of its total assets. The Fund and the Portfolio
will be closed for business and will not price their respective shares or
interests on the following business holidays: New Year's Day, Martin Luther
King, Jr. Day, Presidents' Day, Good Friday, Memorial Day, Independence Day,
Labor Day, Thanksgiving Day and Christmas Day.

    The Trustees of the Portfolio have established the following procedures for
the fair valuation of the Portfolio's assets under normal market conditions.
Securities listed on foreign or U.S. securities exchanges or in the NASDAQ
National Market System generally are valued at closing sale prices or, if there
were no sales, at the mean between the closing bid and asked prices therefor on
the exchange where such securities are principally traded or on such National
Market System. Unlisted or listed securities for which closing sale prices are
not available are valued at the mean between the latest bid and asked prices. An
option is valued at the last sale price as quoted on the principal exchange or
board of trade on which such option or contract is traded, or in the absence of
a sale, at the mean between the last bid and asked prices. Futures positions on
securities or currencies are generally valued at closing settlement prices.
Short-term debt securities with a remaining maturity of 60 days or less are
valued at amortized cost. If securities were acquired with a remaining maturity
of more than 60 days, their amortized cost value will be based on their value on
the sixty-first day prior to maturity. Other fixed income and debt securities,
including listed securities and securities for which price quotations are
available, will normally be valued on the basis of valuations furnished by a
pricing service. All other securities are valued at fair value as determined in
good faith by or at the direction of the Trustees.

    Generally, trading in the foreign securities owned by the Portfolio is
substantially completed each day at various times prior to the close of the
Exchange. The values of these securities used in determining the net asset value
of the Portfolio's shares generally are computed as of such times. Occasionally,
events affecting the value of foreign securities may occur between such times
and the close of the Exchange which will not be reflected in the computation of
the Fund's net asset value (unless the Portfolio deems that such events would
materially affect its net asset value, in which case an adjustment would be made
and reflected in such computation). Foreign securities and currency held by the
Portfolio will be valued in U.S. dollars; such values will be computed by the
custodian based on foreign currency exchange rate quotations supplied by Reuters
Information Service.

    Each investor in the Portfolio, including the Fund, may add to or reduce its
investment in the Portfolio on each day the New York Stock Exchange (the
"Exchange") is open for trading ("Portfolio Business Day") as of the close of
regular trading on the Exchange (the "Portfolio Valuation Time"). The value of
each investor's interest in the Portfolio will be determined by multiplying the
net asset value of the Portfolio by the percentage, determined on the prior
Portfolio Business Day, which represented that investor's share of the aggregate
interests in the Portfolio on such prior day. Any additions or withdrawals for
the current Portfolio Business Day will then be recorded. Each investor's
percentage of the aggregate interest in the Portfolio will then be recomputed as
a percentage equal to a fraction (i) the numerator of which is the value of such
investor's investment in the Portfolio as of the Portfolio Valuation Time on the
prior Portfolio Business Day plus or minus, as the case may be, the amount of
any additions to or withdrawals from the investor's investment in the Portfolio
on the current Portfolio Business Day and (ii) the denominator of which is the
aggregate net asset value of the Portfolio as of the Portfolio Valuation Time on
the prior Portfolio Business Day plus or minus, as the case may be, the amount
of the net additions to or withdrawals from the aggregate investment in the
Portfolio on the current Portfolio Business Day by all investors in the
Portfolio. The percentage so determined will then be applied to determine the
value of the investor's interest in the Portfolio for the current Portfolio
Business Day.

ADDITIONAL INFORMATION ABOUT PURCHASES. Fund shares are continuously offered
through investment dealers which have entered agreements with the principal
underwriter. The public offering price is the net asset value next computed
after receipt of the order.

    In connection with employee benefit or other continuous group purchase
plans, the Fund may accept initial investments of less than $1,000 on the part
of an individual participant. In the event a shareholder who is a participant of
such a plan terminates participation in the plan, his or her shares will be
transferred to a regular individual account. However, such account will be
subject to the right of redemption by the Fund as described below.

ACQUIRING FUND SHARES IN EXCHANGE FOR SECURITIES. IBT, as escrow agent, will
receive securities acceptable to Eaton Vance, as administrator, in exchange for
Fund shares. The minimum value of securities (or securities and cash) accepted
for deposit is $5,000. Securities accepted will be sold on the day of their
receipt or as soon thereafter as possible. The number of Fund shares to be
issued in exchange for securities will be the aggregate proceeds from the sale
of such securities, divided by the net asset value of Class B and Class C shares
on the day such proceeds are received. Eaton Vance will use reasonable efforts
to obtain the then current market price for such securities but does not
guarantee the best available price. Eaton Vance will absorb any transaction
costs, such as commissions, on the sale of the securities. Securities determined
to be acceptable should be transferred via book entry or physically delivered,
in proper form for transfer, through an investment dealer, together with a
completed and signed Letter of Transmittal in approved form (available from
investment dealers). Investors who are contemplating an exchange of securities
for shares, or their representatives, must contact Eaton Vance to determine
whether the securities are acceptable before forwarding such securities. Eaton
Vance reserves the right to reject any securities. Exchanging securities for
shares may create a taxable gain or loss. Each investor should consult his or
her tax adviser with respect to the particular federal, state and local tax
consequences of exchanging securities.

SUSPENSION OF SALES. The Trust may, in its absolute discretion, suspend,
discontinue or limit the offering of one or more of its classes of shares at any
time. In determining whether any such action should be taken, the Trust's
management intends to consider all relevant factors, including (without
limitation) the size of the Fund or class, the investment climate and market
conditions, the volume of sales and redemptions of shares, and in the case of
Class B and Class C shares, the amount of uncovered distribution charges of the
principal underwriter. The Class B and Class C Distribution Plans may continue
in effect and payments may be made under the Plans following any such
suspension, discontinuance or limitation of the offering of shares; however,
there is no contractual obligation to continue any Plan for any particular
period of time. Suspension of the offering of shares would not, of course,
affect a shareholder's ability to redeem shares.

ADDITIONAL INFORMATION ABOUT REDEMPTIONS. The right to redeem shares of the Fund
can be suspended and the payment of the redemption price deferred when the
Exchange is closed (other than for customary weekend and holiday closings),
during periods when trading on the Exchange is restricted as determined by the
SEC, or during any emergency as determined by the SEC which makes it
impracticable for the Portfolio to dispose of its securities or value its
assets, or during any other period permitted by order of the SEC for the
protection of investors.

    While normally payments will be made in cash for redeemed shares, the Trust,
subject to compliance with applicable regulations, has reserved the right to pay
the redemption price of shares of the Fund, either totally or partially, by a
distribution in kind of readily marketable securities withdrawn from the
Portfolio. The securities so distributed would be valued pursuant to the
Portfolio's valuation procedures. If a shareholder received a distribution in
kind, the shareholder could incur brokerage or other charges in converting the
securities to cash.

    Due to the high cost of maintaining small accounts, the Trust reserves the
right to redeem accounts with balances of less than $750. Prior to such a
redemption, shareholders will be given 60 days' written notice to make an
additional purchase. However, no such redemption would be required by the Trust
if the cause of the low account balance was a reduction in the net asset value
of shares. No CDSC will be imposed with respect to such involuntary redemptions.

SYSTEMATIC WITHDRAWAL PLAN. The transfer agent will send to the shareholder
regular monthly or quarterly payments of any permitted amount designated by the
shareholder based upon the value of the shares held. The checks will be drawn
from share redemptions and hence, may require the recognition of taxable gain or
loss. Income dividends and capital gains distributions in connection with
withdrawal plan accounts will be credited at net asset value as of the record
date for each distribution. Continued withdrawals in excess of current income
will eventually use up principal, particularly in a period of declining market
prices. A shareholder may not have a withdrawal plan in effect at the same time
he or she has authorized Bank Automated Investing or is otherwise making regular
purchases of Fund shares. The shareholder, the transfer agent or the principal
underwriter will be able to terminate the withdrawal plan at any time without
penalty.

                                SALES CHARGES

DEALER COMMISSIONS. The principal underwriter may, from time to time, at its own
expense, provide additional incentives to investment dealers which employ
registered representatives who sell Fund shares and/or shares of other funds
distributed by the principal underwriter. In some instances, such additional
incentives may be offered only to certain investment dealers whose
representatives sell or are expected to sell significant amounts of shares. In
addition, the principal underwriter may from time to time increase or decrease
the sales commissions payable to investment dealers. The principal underwriter
may allow, upon notice to all investment dealers with whom it has agreements,
discounts up to the full sales charge during the periods specified in the
notice. During periods when the discount includes the full sales charge, such
investment dealers may be deemed to be underwriters as that term is defined in
the Securities Act of 1933.

TAX-SHELTERED RETIREMENT PLANS. Class C shares is available for purchase in
connection with certain tax-sheltered retirement plans. Detailed information
concerning these plans, including certain exceptions to minimum investment
requirements, and copies of the plans are available from the principal
underwriter. This information should be read carefully and consultation with an
attorney or tax adviser may be advisable. The information sets forth the service
fee charged for retirement plans and describes the federal income tax
consequences of establishing a plan. Participant accounting services (including
trust fund reconciliation services) will be offered only through third party
recordkeepers and not by the principal underwriter. Under all plans, dividends
and distributions will be automatically reinvested in additional shares.

CDSC WAIVERS. The CDSC applicable to Class B shares will be waived in connection
with minimum required distributions from tax-sheltered retirement plans by
applying the rate required to be withdrawn under the applicable rules and
regulations of the Internal Revenue Service to the balance of Class B shares in
your account.

DISTRIBUTION PLANS. The Trust has adopted compensation-type Distribution Plans
(the "Class B and Class C Plans") pursuant to Rule 12b-1 under the 1940 Act for
the Fund's Class B and Class C shares. The Class B and Class C Plans are
designed to permit an investor to purchase shares through an investment dealer
without incurring an initial sales charge and at the same time permit the
principal underwriter to compensate investment dealers in connection therewith.
The Class B and Class C Plans provide that the Fund will pay sales commissions
and distribution fees to the principal underwriter only after and as a result of
the sale of shares. On each sale of shares (excluding reinvestment of
distributions), the Fund will pay the principal underwriter amounts representing
(i) sales commissions equal to 5% for Class B shares and 6.25% for Class C
shares of the amount received by the Fund for each share sold and (ii)
distribution fees calculated by applying the rate of 1% over the prime rate then
reported in The Wall Street Journal to the outstanding balance of uncovered
distribution charges (as described below) of the principal underwriter. To pay
these amounts, each Class pays the principal underwriter a fee, accrued daily
and paid monthly, at an annual rate not exceeding .75% of its average daily net
assets to finance the distribution of its shares. Such fees compensate the
principal underwriter for sales commissions paid by it to investment dealers on
the sale of shares and for interest expenses. For sales of Class B shares, the
principal underwriter uses its own funds to pay sales commissions (except on
exchange transactions and reinvestments) to investment dealers at the time of
sale equal to 4% of the purchase price of the Class B shares sold by such
dealers. For Class C shares, the principal underwriter currently expects to pay
to an investment dealer (a) sales commissions (except on exchange transactions
and reinvestments) at the time of sale equal to .75% of the purchase price of
the shares sold by such dealer, and (b) monthly sales commissions approximately
equivalent to 1/12 of .75% of the value of shares sold by such dealer and
remaining outstanding for at least one year. During the first year after a
purchase of Class C shares, the principal underwriter will retain the sales
commission as reimbursement for the sales commissions paid to investment dealers
at the time of sale. CDSCs paid to the principal underwriter will be used to
reduce amounts owed to it. The Class B and Class C Plans provide that the Fund
will make no payments to the principal underwriter in respect of any day on
which there are no outstanding uncovered distribution charges of the principal
underwriter. CDSCs and accrued amounts will be paid by the Trust to the
principal underwriter whenever there exist uncovered distribution charges.
Because payments to the principal underwriter under the Class B and Class C
Plans are limited, uncovered distribution charges (sales commissions paid by the
principal underwriter plus interest, less the above fees and CDSCs received by
it) may exist indefinitely. For the sales commissions and CDSCs paid on (and
uncovered distribution charges of) Class B and Class C shares, see Appendix B
and Appendix C, respectively.

    In calculating daily the amount of uncovered distribution charges,
distribution charges will include the aggregate amount of sales commissions and
distribution fees theretofore paid plus the aggregate amount of sales
commissions and distribution fees which the principal underwriter is entitled to
be paid under the Plan since its inception. Payments theretofore paid or payable
under the Class B and Class C Plans by the Trust to the principal underwriter
and CDSCs theretofore paid or payable to the principal underwriter will be
subtracted from such distribution charges; if the result of such subtraction is
positive, a distribution fee (computed at 1% over the prime rate then reported
in The Wall Street Journal) will be computed on such amount and added thereto,
with the resulting sum constituting the amount of outstanding uncovered
distribution charges with respect to such day. The amount of outstanding
uncovered distribution charges of the principal underwriter calculated on any
day does not constitute a liability recorded on the financial statements of the
Fund.

    The amount of uncovered distribution charges of the principal underwriter at
any particular time depends upon various changing factors, including the level
and timing of sales of shares, the nature of such sales (i.e., whether they
result from exchange transactions, reinvestments or from cash sales through
investment dealers), the level and timing of redemptions of shares upon which a
CDSC will be imposed, the level and timing of redemptions of shares upon which
no CDSC will be imposed (including redemptions of shares pursuant to the
exchange privilege which result in a reduction of uncovered distribution
charges), changes in the level of the net assets of the Class, and changes in
the interest rate used in the calculation of the distribution fee under the
Class B and Class C Plans.

    The Class B and Class C Plans also authorize each Class to make payments of
service fees to the principal underwriter, investment dealers and other persons
in amounts not exceeding 0.25% of its average daily net assets for personal
services, and/or the maintenance of shareholder accounts. This fee is paid
quarterly in arrears based on the value of Class B shares sold by such persons
and remaining outstanding for at least twelve months. For Class C, investment
dealers currently receive (a) a service fee (except on exchange transactions and
reinvestments) at the time of sale equal to 0.25% of the purchase price of the
Class C shares sold by such dealer, and (b) monthly service fees approximately
equivalent to 1/12 of 0.25% of the value of Class C shares sold by such dealer
and remaining outstanding for at least one year. During the first year after a
purchase of Class C shares, the principal underwriter will retain the service
fee as reimbursement for the service fee payment made to investment dealers at
the time of sale. For the service fees paid by Class B and Class C shares, see
Appendix B and Appendix C, respectively.

    Currently, payments of sales commissions and distribution fees and of
service fees may equal 1% of a Class's average daily net assets per annum. The
Trust believes that the combined rate of all these payments may be higher than
the rate of payments made under distribution plans adopted by other investment
companies pursuant to Rule 12b-1. Although the principal underwriter will use
its own funds (which may be borrowed from banks) to pay sales commissions at the
time of sale, it is anticipated that the Eaton Vance organization will profit by
reason of the operation of the Class B and Class C Plans through an increase in
the Fund's assets (thereby increasing the advisory fee payable to BMR by the
Portfolio) resulting from sale of shares and through the amounts paid to the
principal underwriter, including CDSCs, pursuant to the Plans. The Eaton Vance
organization may be considered to have realized a profit under the Class B and
Class C Plans if at any point in time the aggregate amounts theretofore received
by the principal underwriter pursuant to the Class B or Class C Plan and from
CDSCs have exceeded the total expenses theretofore incurred by such organization
in distributing shares. Total expenses for this purpose will include an
allocable portion of the overhead costs of such organization and its branch
offices, which costs will include without limitation leasing expense,
depreciation of building and equipment, utilities, communication and postage
expense, compensation and benefits of personnel, travel and promotional expense,
stationery and supplies, literature and sales aids, interest expense, data
processing fees, consulting and temporary help costs, insurance, taxes other
than income taxes, legal and auditing expense and other miscellaneous overhead
items. Overhead is calculated and allocated for such purpose by the Eaton Vance
organization in a manner deemed equitable to the Trust.

    The Class B and Class C Plans continue in effect from year to year so long
as such continuance is approved at least annually by the vote of both a majority
of (i) the noninterested Trustees of the Trust who have no direct or indirect
financial interest in the operation of the Plan or any agreements related to the
Plan (the "Plan Trustees") and (ii) all of the Trustees then in office. Each
Plan may be terminated at any time by vote of a majority of the Plan Trustees or
by a vote of a majority of the outstanding voting securities of the applicable
Class. Each Plan requires quarterly Trustee review of a written report of the
amount expended under the Plan and the purposes for which such expenditures were
made. The Plans may not be amended to increase materially the payments described
therein without approval of the shareholders of the affected Class and the
Trustees. So long as a Plan is in effect, the selection and nomination of the
noninterested Trustees shall be committed to the discretion of such Trustees.
The Class B and Class C Plans were initially approved by the Trustees, including
the Plan Trustees, on June 23, 1997.

    The Trustees of the Trust believe that each Plan will be a significant
factor in the expected growth of each Fund's assets, and will result in
increased investment flexibility and advantages which have benefitted and will
continue to benefit the Fund and its shareholders. Payments for sales
commissions and distribution fees made to the principal underwriter under the
Class B and Class C Plans will compensate the principal underwriter for its
services and expenses in distributing those classes of shares. Service fee
payments made to the principal underwriter and investment dealers provide
incentives to provide continuing personal services to investors and the
maintenance of shareholder accounts. By providing incentives to the principal
underwriter and investment dealers, each Plan is expected to result in the
maintenance of, and possible future growth in, the assets of the Fund. Based on
the foregoing and other relevant factors, the Trustees of the Trust have
determined that in their judgment there is a reasonable likelihood that each
Plan will benefit the Fund and its shareholders.

                                 PERFORMANCE

    Average annual total return is determined separately for each Class of the
Fund by multiplying a hypothetical initial purchase order of $1,000 by the
average annual compound rate of return (including capital appreciation/
depreciation, and distributions paid and reinvested) for the stated period and
annualizing the result. The calculation assumes (i) that all distributions are
reinvested at net asset value on the reinvestment dates during the period, (ii)
a complete redemption of the investment and, (iii) the deduction of any CDSC at
the end of the period. The Fund may also publish total return figures for each
class based on reduced sales charges or at net asset value. These returns would
be lower if the full sales charge was imposed. For further information
concerning the total return of the Classes of the Fund, see Appendix A and
Appendix B.

    Yield is computed separately for each Class of the Fund pursuant to a
standardized formula by dividing the net investment income per share earned
during a recent thirty-day period by the maximum offering price per share on the
last day of the period and annualizing the resulting figure. Net investment
income per share is calculated from the yields to maturity of all debt
obligations held by the Portfolio based on prescribed methods, reduced by
accrued Fund and class expenses for the period with the resulting number being
divided by the average daily number of class shares outstanding and entitled to
receive distributions during the period. This yield figure does not reflect the
deduction of any CDSCs which (if applicable) are imposed upon certain
redemptions at the rates set forth under "Sales Charges" in the prospectus. For
the yield of the Classes of the Fund, see Appendix A and Appendix B.

    The Fund's total return may be compared to relevant indices, such as the
Consumer Price Index and various domestic securities indices. The Fund's total
return and comparisons with these indices may be used in advertisements and in
information furnished to present or prospective shareholders. The Fund's
performance may differ from that of other investors in the Portfolio, including
any other investment companies. In addition, evaluations of the Fund's
performance, ratings, or rankings of mutual funds (which include the Fund) made
by independent sources may be used in advertisements and in information
furnished to present or prospective shareholders. Information, charts and
illustrations showing the effect of compounding interest or relating to
inflation and taxes (including their effects on the dollar and the return on
stocks and other investment vehicles) may also be included in advertisements and
material furnished to present and prospective investors.

    Information used in advertisements and in materials furnished to present or
prospective shareholders may include statistics, data and performance studies
prepared by independent organizations reflecting the investment performance or
return achieved by various classes and types of investments (e.g., common
stocks, small company stocks, long-term corporate bonds, long-term government
bonds, intermediate-term government bonds, U.S. Treasury bills) over various
periods of time. Information about the portfolio allocation, portfolio turnover
and holdings of the Portfolio may be included in advertisements and other
material furnished to present and prospective shareholders.

    From time to time, information about the portfolio allocation, portfolio
turnover and holdings of the Portfolio may be included in advertisements and
other material furnished to present and prospective shareholders. Such
information, for example, may include the Portfolio's diversification by asset
type, including mortgage-backed securities with varying maturities and interest
rates.

    Information used in advertisements and in materials provided to present and
prospective shareholders may include descriptions of Eaton Vance and other Fund
and Portfolio service providers, their investment styles, other investment
products, personnel and Fund distribution channels.

    Information used in advertisements and materials furnished to present and
prospective investors may include statements or illustrations relating to the
appropriateness of certain types of securities and/or mutual funds to meet
specific financial goals. Such information may address:

        - cost associated with aging parents;
        - funding a college education (including its actual and estimated
          cost);
        - health care expenses (including actual and projected expenses);
        - long-term disabilities (including the availability of, and coverage
          provided by, disability insurance); and
        - retirement (including the availability of social security benefits,
          the tax treatment of such benefits and statistics and other
          information relating to maintaining a particular standard of living
          and outliving existing assets).

    Such information may also address different methods for saving money and the
results of such methods, as well as the benefits of investing in mortgage or
government securities.

    Information in advertisements and materials furnished to present and
prospective investors may include profiles of different types of investors
(i.e., investors with different goals and assets) and different investment
strategies for meeting specific financial goals. Such information may provide
hypothetical illustrations which include: results of various investment
strategies; performance of an investment in the Fund over various time periods;
and results of diversifying assets among several investments with varying
performance. Information in advertisements and materials furnished to present
and prospective investors may also include quotations (including editorial
comments) and statistics concerning investing in securities, as well as
investing in particular types of securities and the performance of such
securities.

    The Trust (or principal underwriter) may provide information about Eaton
Vance, its affiliates and other investment advisers to the funds in the Eaton
Vance Family of Funds in sales material or advertisements provided to investors
or prospective investors. Such material or advertisements may also provide
information on the use of investment professionals by such investors.

                                    TAXES

    Each series of the Trust is treated as a separate entity for federal income
tax purposes. The Fund has elected to be treated, has qualified and intends to
continue to qualify each year as a regulated investment company ("RIC") under
the Code. Accordingly, the Fund intends to satisfy certain requirements relating
to sources of its income and diversification of its assets and to distribute
substantially all of its ordinary income and net income in accordance with the
timing requirements imposed by the Code, so as to maintain its RIC status and
avoid paying any federal income or excise tax. The Fund so qualified for its
taxable year ended March 31, 1999. Because the Fund invests its assets in the
Portfolio, the Portfolio normally must satisfy the applicable source of income
and diversification requirements in order for the Fund to also satisfy these
requirements. The Portfolio will allocate at least annually among its investors,
including the Fund, each investor's distributive share of the Portfolio's net
investment income, net realized capital gains, and any other items of income,
gain, loss, deduction or credit. The Portfolio will make allocations to the Fund
in accordance with the Code and applicable regulations and will make moneys
available for withdrawal at appropriate times and in sufficient amounts to
enable the Fund to satisfy the tax distribution requirements that apply to the
Fund and that must be satisfied in order to avoid federal income and/or excise
tax on the Fund. For purposes of applying the requirements of the Code regarding
qualification as a RIC, the Fund (i) will be deemed to own its proportionate
share of each of the assets of the Portfolio and (ii) will be entitled to the
gross income of the Portfolio attributable to such share.

    In order to avoid incurring a federal excise tax obligation, the Code
requires that the Fund distribute (or be deemed to have distributed) by December
31 of each calendar year at least 98% of its ordinary income for such year, at
least 98% of its capital gain net income (which is the excess of its realized
capital gains over its realized capital losses), generally computed on the basis
of the one-year period ending on October 31 of such year, after reduction by (i)
any available capital loss carryforwards and (ii) 100% of any income from the
prior year (as previously computed) that was not paid out during such year and
on which the Fund paid no federal income tax. Under current law, provided that
the Fund qualifies as a RIC and the Portfolio is treated as a partnership for
Massachusetts and federal tax purposes, neither the Fund nor the Portfolio
should be liable for any income, excise or franchise tax in the Commonwealth of
Massachusetts.

    The Portfolio's transactions in options, futures contracts and forward
contracts will be subject to special tax rules that may affect the amount,
timing and character of the Fund's distributions to shareholders. For example,
certain positions held by the Portfolio on the last business day of each taxable
year will be "marked to market" (i.e., treated as if closed out on such day),
and any resulting gain or loss will generally be treated as 60% long-term and
40% short-term capital gain or loss. Certain positions held by the Portfolio
that substantially diminish the Portfolio's risk of loss with respect to other
positions in its portfolio may constitute "straddles," which are subject to tax
rules that may cause deferral of Portfolio losses, adjustments in the holding
periods of Portfolio securities, and conversion of short-term capital losses
into long-term capital losses. The Portfolio may make certain elections to
mitigate adverse consequences of these tax rules and may have to limit its
activities in options, futures contracts and forward contracts in order to
enable the Fund to maintain its RIC status.

    The Portfolio may be subject to foreign income tax withholding or other
foreign taxes with respect to income (possibly including, in some cases, capital
gains) arising from certain transactions in foreign securities. These taxes may
be reduced or eliminated under the terms of an applicable tax convention between
certain countries and the U.S. It is not expected that more than 50% of the
value of the total assets of the Fund, taking into account its allocable share
of the Portfolio's total assets at the close of any taxable year will consist of
securities issued by foreign corporations. Accordingly under the Code, the Fund
will not be eligible to pass through to its shareholders their proportionate
share of any foreign tax credits or deductions for foreign taxes paid by the
Portfolio and allocated to the Fund. Certain foreign exchange gains and losses
realized by the Fund will be treated as ordinary income and losses. Certain uses
of foreign currency and foreign currency options, futures and forward contracts
and investment by the Portfolio in certain "passive foreign investment
companies" ("PFICs") may be limited or a tax election may be made, if available,
in order to seek to preserve the Fund's qualification as a RIC and/or avoid
imposition of an income tax on the Fund.

    The Portfolio's investment in zero coupon and certain securities will cause
it to realize income prior to the receipt of cash payments with respect to these
securities. Such income will be allocated daily to interests in the Portfolio
and, in order to enable the Fund to distribute its proportionate share of this
income and avoid a tax payable by the Fund, the Portfolio may be required to
liquidate securities that it might otherwise have continued to hold in order to
generate cash that the Fund may withdraw from the Portfolio to make
distributions to Fund shareholders.

    Investments in lower-rated or unrated securities may present special tax
issues for the Portfolio (and, hence, for the Fund) to the extent that the
issuers of these securities default on their obligations pertaining thereto. The
Code is not entirely clear regarding the federal income tax consequences of the
Portfolio's taking certain positions in connection with ownership of such
distressed securities. For example, the Code is unclear regarding: (i) when the
Portfolio may cease to accrue interest, original issue discount, or market
discount; (ii) when and to what extent deductions may be taken for bad debts or
worthless securities; (iii) how payments received on obligations in default
should be allocated between principal and income; and (iv) whether exchanges of
debt obligations in a workout context are taxable.

    Any loss realized upon the sale or exchange of shares of the Fund with a tax
holding period of 6 months or less will be treated as a long-term capital loss
to the extent of any distribution treated as long-term capital gains with
respect to such shares. All or a portion of any loss realized upon a taxable
disposition of Fund shares may be disallowed under "wash sale" rules if other
shares of the Fund are purchased (whether through the reinvestment of
distributions or otherwise) within 30 days before or after such disposition.

    Amounts paid by the Fund to individuals and certain other shareholders who
have not provided the Fund with their correct taxpayer identification number
("TIN") and certain certifications required by the Internal Revenue Service (the
"IRS"), as well as shareholders with respect to whom the Fund has received
certain information from the IRS or a broker, may be subject to "backup"
withholding of federal income tax arising from the Fund's taxable dividends and
other distributions as well as the proceeds of redemption transactions
(including repurchases and exchanges) at a rate of 31%. An individual's TIN is
generally his or her social security number.

    Non-resident alien individuals, foreign corporations and certain other
foreign entities generally will be subject to a U.S. withholding tax at a rate
of 30% of the Fund's distributions from its ordinary income and the excess of
its net short-term capital gain over its net long-term capital loss, unless the
tax is reduced or eliminated by an applicable tax convention. Distributions from
the excess of the Fund's net long-term capital gain over its net short-term
capital loss received by such shareholders and any gain from the sale or other
disposition of shares of the Fund generally will not be subject to U.S. federal
income taxation, provided that non-resident alien status has been certified by
the shareholder. Different U.S. tax consequences may result if: (i) the
shareholder is engaged in a trade or business in the United States; (ii) the
shareholder is present in the United States for a sufficient period of time
during a taxable year to be treated as a U.S. resident, (generally 180 days or
more); or (iii) the shareholder fails to provide any required certifications
regarding its status as a non-resident alien investor. Foreign shareholders
should consult their tax advisers regarding the U.S. and foreign tax
consequences of an investment in the Fund.

    The foregoing discussion does not address the special tax rules applicable
to certain classes of investors, such as IRAs and other retirement plans,
tax-exempt entities, insurance companies, financial institutions and nonresident
aliens or foreign entities. Shareholders should consult their own tax advisers
with respect to these or other special tax rules that may apply in their
particular situations, as well as the state, local, and, where applicable,
foreign tax consequences of investing in the Fund.

                       PORTFOLIO SECURITY TRANSACTIONS

    Decisions concerning the execution of portfolio security transactions,
including the selection of the market and the executing firm, are made by BMR.
BMR is also responsible for the execution of transactions for all other accounts
managed by it. BMR places the portfolio security transactions of the Portfolio
and of all other accounts managed by it for execution with many broker-dealer
firms. BMR uses its best efforts to obtain execution of portfolio security
transactions at prices which are advantageous to the Portfolio and at reasonably
competitive spreads or (when a disclosed commission is being charged) at
reasonably competitive commission rates. In seeking such execution, BMR will use
its best judgment in evaluating the terms of a transaction, and will give
consideration to various relevant factors including without limitation the full
range and quality of the broker-dealer's services, the value of the brokerage
and research services provided, the responsiveness of the broker-dealer to BMR,
size and type of the transaction, the general execution and operational
capabilities of the executing firm, the nature and character of the market for
the security, the confidentiality, speed and certainty of effective execution
required for the transaction, the reputation, reliability, experience and
financial condition of the firm, the value and quality of services rendered by
the firm in other transactions, and the reasonableness of the commission or
spread, if any. Transactions on United States stock exchanges and other agency
transactions involve the payment by the Portfolio of negotiated brokerage
commissions. Such commissions vary among different executing firms, and a
particular firm may charge different commissions according to such factors as
the difficulty and size of the transaction and the volume of business done with
such broker-dealer. Transactions in foreign securities usually involve the
payment of fixed brokerage commissions, which are generally higher than those in
the United States. There is generally no stated commission in the case of
securities traded in the over-the-counter markets, but the price paid or
received by the Portfolio usually includes an undisclosed dealer markup or
markdown. In an underwritten offering, the price paid by the Portfolio often
includes a disclosed fixed commission or discount retained by the underwriter or
dealer. Although commissions paid on portfolio security transactions will, in
the judgment of BMR, be reasonable in relation to the value of the services
provided, commissions exceeding those which another firm might charge may be
paid to firms who were selected to execute transactions on behalf of the
Portfolio and BMR's other clients for providing brokerage and research services
to BMR.


    As authorized in Section 28(e) of the Securities Exchange Act of 1934, a
broker or dealer who executes a portfolio transaction on behalf of the Portfolio
may receive a commission which is in excess of the amount of commission another
broker or dealer would have charged for effecting that transaction if BMR
determines in good faith that such compensation was reasonable in relation to
the value of the brokerage and research services provided. This determination
may be made on the basis of either that particular transaction or on the basis
of overall responsibilities which BMR and its affiliates have for accounts over
which they exercise investment discretion. In making any such determination, BMR
will not attempt to place a specific dollar value on the brokerage and research
services provided or to determine what portion of the commission should be
related to such services. Brokerage and research services may include advice as
to the value of securities, the advisability of investing in, purchasing, or
selling securities, and the availability of securities or purchasers or sellers
of securities; furnishing analyses and reports concerning issuers, industries,
securities, economic factors and trends, portfolio strategy and the performance
of accounts; effecting securities transactions and performing functions
incidental thereto (such as clearance and settlement); and the "Research
Services" referred to in the next paragraph.


    It is a common practice in the investment advisory industry for the advisers
of investment companies, institutions and other investors to receive research,
analytical, statistical and quotation services, data, information and other
services, products and materials which assist such advisers in the performance
of their investment responsibilities ("Research Services") from broker-dealer
firms which execute portfolio transactions for the clients of such advisers and
from third parties with which such broker-dealers have arrangements. Consistent
with this practice, BMR receives Research Services from many broker-dealer firms
with which BMR places the portfolio transactions and from third parties with
which these broker-dealers have arrangements. These Research Services include
such matters as general economic, political, business and market information,
industry and company reviews, evaluations of securities and portfolio strategies
and transactions, proxy voting data and analysis services, technical analysis of
various aspects of the securities markets, recommendations as to the purchase
and sale of securities and other portfolio transactions, financial, industry and
trade publications, news and information services, pricing and quotation
equipment and services, and research oriented computer hardware, software, data
bases and services. Any particular Research Service obtained through a
broker-dealer may be used by BMR in connection with client accounts other than
those accounts which pay commissions to such broker-dealer. Any such Research
Service may be broadly useful and of value to BMR in rendering investment
advisory services to all or a significant portion of its clients, or may be
relevant and useful for the management of only one client's account or of a few
clients' accounts, or may be useful for the management of merely a segment of
certain clients' accounts, regardless of whether any such account or accounts
paid commissions to the broker-dealer through which such Research Service was
obtained. The advisory fee paid by the Portfolio is not reduced because BMR
receives such Research Services. BMR evaluates the nature and quality of the
various Research Services obtained through broker-dealer firms and attempts to
allocate sufficient portfolio security transactions to such firms to ensure the
continued receipt of Research Services which BMR believes are useful or of value
to it in rendering investment advisory services to its clients.

    The Portfolio and BMR may also receive Research Services from underwriters
and dealers in fixed-price offerings, which Research Services are reviewed by
BMR in connection with its investment responsibilities. The investment companies
sponsored by BMR or Eaton Vance may allocate brokerage commissions to acquire
information relating to the performance, fees and expenses of such companies and
other mutual funds, which information is used by the Trustees of such companies
to fulfill their responsibility to oversee the quality of the services provided
by various entities, including BMR, to such companies. Such companies may also
pay cash for such information.

    Subject to the requirement that BMR shall use its best efforts to seek to
execute portfolio security transactions at advantageous prices and at reasonably
competitive commission rates or spreads, BMR is authorized to consider as a
factor in the selection of any broker-dealer firm with whom portfolio orders may
be placed the fact that such firm has sold or is selling shares of the Fund or
of other investment companies sponsored by BMR or Eaton Vance. This policy is
not inconsistent with a rule of the NASD, which rule provides that no firm which
is a member of the NASD shall favor or disfavor the distribution of shares of
any particular investment company or group of investment companies on the basis
of brokerage commissions received or expected by such firm from any source.


    Securities considered as investments for the Portfolio may also be
appropriate for other investment accounts managed by BMR or its affiliates.
Whenever decisions are made to buy or sell securities by the Portfolio and one
or more of such other accounts simultaneously, BMR will allocate the security
transactions (including "hot" issues) in a manner which it believes to be
equitable under the circumstances. As a result of such allocations, there may be
instances where the Portfolio will not participate in a transaction that is
allocated among other accounts. If an aggregated order cannot be filled
completely, allocations will generally be made on a pro rata basis. An order may
not be allocated on a pro rata basis where, for example: (i) consideration is
given to portfolio managers who have been instrumental in developing or
negotiating a particular investment; (ii) consideration is given to an account
with specialized investment policies that coincide with the particulars of a
specific investment; (iii) pro rata allocation would result in odd-lot or de
minimis amounts being allocated to a portfolio or other client; or (iv) where
BMR reasonably determines that departure from a pro rata allocation is
advisable. While these aggregation and allocation policies could have a
detrimental effect on the price or amount of the securities available to the
Portfolio from time to time, it is the opinion of the Trustees of the Trust and
the Portfolio that the benefits from the BMR organization outweigh any
disadvantage that may arise from exposure to simultaneous transactions.


    For the fiscal years ended March 31, 1999 and 1998, the Portfolio paid
brokerage commissions of $ and $5,287, respectively, on portfolio security
transactions, all of which was paid in respect of portfolio security
transactions aggregating $ and $2,552,494, respectively, to firms which provided
some research services to Eaton Vance (although many of such firms may have been
selected in any particular transaction primarily because of their execution
capabilities). For the fiscal year ended March 31, 1997 the Portfolio paid no
brokerage commissions on portfolio security transactions.

                             FINANCIAL STATEMENTS

    The audited financial statements of, and the independent auditors' report
for the Fund and the Portfolio, appear in the Fund's most recent annual report
to shareholders, and is incorporated by reference into this SAI. A copy of the
Fund's annual report accompanies this SAI. Consistent with applicable law,
duplicate mailings of shareholder reports and certain other Fund information to
shareholders residing at the same address may be eliminated.

<PAGE>


                                  APPENDIX A

                   CLASS B FEES, PERFORMANCE AND OWNERSHIP
DISTRIBUTION AND SERVICE FEES
    During the fiscal year ended March 31, 1999, the principal underwriter paid
to investment dealers sales commissions of $_____ on sales of Class B shares.
During the same period, the Fund made distribution payments to the principal
underwriter under the Distribution Plan aggregating $_____, and the principal
underwriter received approximately $_____ in CDSCs imposed on early redeeming
shareholders. These distribution payments and CDSC payments reduced uncovered
distribution charges under the Plan. As at March 31, 1999 the outstanding
uncovered distribution charges of the principal underwriter calculated under the
Plan amounted to approximately $_____ (which amount was equivalent to
approximately __% of the net assets attributable to Class B on such day). During
the fiscal year ended March 31, 1999, Class B made service fee payments to the
principal underwriter and investment dealers aggregating $_____ of which $_____
was paid to investment dealers and the balance of which was retained by the
principal underwriter.

PRINCIPAL UNDERWRITER
    The Trust has authorized the principal underwriter to act as its agent in
repurchasing shares at the rate of $2.50 for each repurchase transaction handled
by the principal underwriter. For the fiscal year ended March 31, 1999, the Fund
paid the principal underwriter $ for repurchase transactions handled by it.


                           PERFORMANCE INFORMATION

    The table below indicates the cumulative and average annual total return on
a hypothetical investment of $1,000 in Class B shares for the periods shown in
the table. Past performance is not indicative of future results. Investment
return and principal value will fluctuate; shares, when redeemed, may be worth
more or less than their original cost.


<TABLE>
<CAPTION>
                                                  VALUE OF A $1,000 INVESTMENT

                                              VALUE OF         VALUE OF
                                             INVESTMENT       INVESTMENT        TOTAL RETURN BEFORE         TOTAL RETURN AFTER
                                               BEFORE            AFTER               DEDUCTING                   DEDUCTING
                                              DEDUCTING        DEDUCTING              THE CDSC                    THE CDSC
  INVESTMENT     INVESTMENT    AMOUNT OF      THE CDSC         THE CDSC      --------------------------  --------------------------
    PERIOD          DATE      INVESTMENT     ON 3/31/99       ON 3/31/99      CUMULATIVE    ANNUALIZED    CUMULATIVE    ANNUALIZED
- --------------  ------------  -----------  ---------------  ---------------  ------------  ------------  ------------  ------------
<S>               <C>           <C>           <C>              <C>               <C>           <C>          <C>            <C>
Life of the Fund  3/31/88       $1,000        $                $                     %             %             %             %
5 Years Ended
3/31/99           3/31/94       $1,000        $                $                     %             %             %             %
1 Year Ended
3/31/99           3/31/98       $1,000        $                $                     %             %             %             %
- ------------
</TABLE>

             CONTROL PERSONS AND PRINCIPAL HOLDERS OF SECURITIES

    As at April 30, 1999, the Trustees and officers of the Trust, as a group,
owned in the aggregate less than 1% of the outstanding Class B shares of the
Fund. As of April 30, 1999, Merrill Lynch, Pierce, Fenner & Smith, Inc.,
Jacksonville, FL 32246 was the record owner of approximately 26.1% of the
outstanding Class B shares, which were held on behalf of its customers who are
the beneficial owners of such shares, and as to which it had voting power under
certain limited circumstances. To the knowledge of the Trust, no other person
owned of record or beneficially 5% or more of the Fund's outstanding Class B
shares as of such date.

<PAGE>


                                  APPENDIX B

                   CLASS C FEES, PERFORMANCE AND OWNERSHIP

DISTRIBUTION AND SERVICE FEES
    During the fiscal year ended March 31, 1999, the principal underwriter paid
to investment dealers sales commissions of $ on sales of Class C shares. During
the same period, the Fund made distribution payments to the principal
underwriter under the Distribution Plan aggregating $ and the principal
underwriter received approximately $ in CDSCs imposed on early redeeming
shareholders. These distribution payments and CDSC payments reduced uncovered
distribution charges under the Plan. As at March 31, 1999, the outstanding
uncovered distribution charges of the principal underwriter calculated under the
Plan amounted to approximately $ (which amount was equivalent to approximately %
of the net assets attributable to Class C on such day). During the fiscal year
ended March 31, 1999, Class C made service fee payments to the principal
underwriter and investment dealers aggregating $ of which $ was paid to
investment dealers and the balance of which was retained by the principal
underwriter.

PRINCIPAL UNDERWRITER
    The Trust has authorized the principal underwriter to act as its agent in
repurchasing shares at the rate of $2.50 for each repurchase transaction handled
by the principal underwriter. For the fiscal year ended March 31, 1999, Class C
paid the principal underwriter $ for repurchase transactions handled by it.

                           PERFORMANCE INFORMATION

    The table below indicates the cumulative and average annual total return on
a hypothetical investment of $1,000 in Class C shares for the periods shown in
the table. Total return for the period prior to April 1, 1998 reflects the total
return of the predecessor to Class C. Total return prior to the Predecessor
Fund's commencement of operations reflects the total return of Class B, adjusted
to reflect the Class C sales charge. The Class B total return has not been
adjusted to reflect certain other expenses (such as distribution and/or service
fees). If such adjustments were made, the Class C total return would be
different. Past performance is not indicative of future results. Investment
return and principal value will fluctuate; shares, when redeemed, may be worth
more or less than their original cost. Two asterisk(**) indicates subsidized
expenses. Return would have been lower without subsidies.

<TABLE>
<CAPTION>
                                                VALUE OF A $1,000 INVESTMENT

                                               VALUE OF         VALUE OF
                                              INVESTMENT       INVESTMENT       TOTAL RETURN BEFORE         TOTAL RETURN AFTER
                                                BEFORE           AFTER               DEDUCTING                   DEDUCTING
                                               DEDUCTING       DEDUCTING              THE CDSC                    THE CDSC
  INVESTMENT     INVESTMENT    AMOUNT OF       THE CDSC         THE CDSC     --------------------------  --------------------------
    PERIOD          DATE       INVESTMENT     ON 3/31/99       ON 3/31/99     CUMULATIVE    ANNUALIZED    CUMULATIVE    ANNUALIZED
- --------------  ------------  -----------  ---------------  ---------------  ------------  ------------  ------------  ------------
<S>               <C>           <C>           <C>              <C>               <C>           <C>          <C>            <C>
Life of Fund**    3/31/88        $1,000        $               $                                                 %             %
5 Years Ended**
3/31/99           3/31/94        $1,000        $               $                     %             %             %             %
1 Year Ended
3/31/99           3/31/98        $1,000        $               $                     %             %             %             %
- ------------
</TABLE>

             CONTROL PERSONS AND PRINCIPAL HOLDERS OF SECURITIES

    As at April 30, 1999, the Trustees and officers of the Trust, as a group,
owned in the aggregate less than 1% of the outstanding Class C shares of the
Fund. As at April 30, 1999, Merrill Lynch, Pierce, Fenner & Smith, Inc.,
Jacksonville, FL 32246 was the record owner of approximately 26.5% of the
outstanding Class C shares, which it held on behalf of its customers who are the
beneficial owners of such shares, and as to which they had voting power under
certain limited circumstances. To the knowledge of the Trust, no other person
owned of record or beneficially 5% or more of the Fund's outstanding Class C
shares as of such date.

<PAGE>


                                  APPENDIX C

                            HIGH INCOME PORTFOLIO

                        ASSET COMPOSITION INFORMATION
                   FOR THE FISCAL YEAR ENDED MARCH 31, 1999

                                                                     PERCENT OF
                                                                     NET ASSETS
- -------------------------------------------------------------------------------
Cash/Short-term Obligations                                             3.56%
Debt Securities -- Moody's Rating
    Ba                                                                  4.77%
    B1                                                                  4.03%
    B2                                                                 18.67%
    B3                                                                 41.76%
    Caa                                                                11.08%
    Unrated                                                            16.15%
Preferred Stock                                                         8.19%
Other Equity Securities                                                 0.49%
                                                                       ------
    Total                                                             100.00%

    The chart above indicates the weighted average composition of the securities
held by the Portfolio for the fiscal year ended March 31, 1999, with the debt
securities rated by Moody's separated into the indicated categories. The
weighted average indicated above was calculated on a dollar weighted basis and
was computed as at the end of each month during the fiscal year. The chart does
not necessarily indicate what the composition of the Fund's portfolio will be in
the current and subsequent fiscal years.

    For a description of Moody's ratings of fixed-income securities, see
Appendix D to this SAI.

<PAGE>


                                  APPENDIX D

                DESCRIPTION OF MOODY'S CORPORATE BOND RATINGS:

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

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

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

SECURITIES IN WHICH THE PORTFOLIO MAY INVEST WILL INCLUDE THOSE IN THE FOLLOWING
CATEGORIES:

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

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

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

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

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

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

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

                 DESCRIPTION OF S&P'S CORPORATE DEBT RATINGS:
INVESTMENT GRADE

AAA: Debt rated AAA has the highest rating assigned by S&P's. Capacity to pay
interest and repay principal is extremely strong.

AA: Debt rated AA has a very strong capacity to pay interest and repay principal
and differs from the higher rated issues only in small degree.

A: Debt rated A has a strong capacity to pay interest and repay principal
although it is somewhat more susceptible to the adverse effects of changes in
circumstances and economic conditions than bonds in higher rated categories.

SECURITIES IN WHICH THE PORTFOLIO MAY INVEST WILL INCLUDE THOSE IN THE FOLLOWING
CATEGORIES:

BBB: Debt rated BBB is regarded as having an adequate capacity to pay interest
and repay principal. Whereas it normally exhibits adequate protection
parameters, adverse economic conditions or changing circumstances are more
likely to lead to a weakened capacity to pay interest and repay principal for
debt in this category than for bonds in higher rated categories.

SPECULATIVE GRADE

Debt rated BB, B, CCC, CC, and C is regarded, on balance, as predominantly
speculative with respect to capacity to pay interest and repay principal in
accordance with the terms of the obligation. BB indicates the lowest degree of
speculation and C the highest degree of speculation. While such debt will likely
have some quality and protective characteristics, these are outweighed by large
uncertainties or major risk exposures to adverse conditions.

BB: Debt rated BB has less near-term vulnerability to default than other
speculative issues. However, it faces major ongoing uncertainties or exposure to
adverse business, financial, or economic conditions which could lead to
inadequate capacity to meet timely interest and principal payments. The BB
rating category is also used for debt subordinated to senior debt that is
assigned an actual or implied BBB- rating.

B: Debt rated B has a greater vulnerability to default but currently has the
capacity to meet interest payments and principal repayments. Adverse business,
financial, or economic conditions will likely impair capacity or willingness to
pay interest and repay principal. The B rating category is also used for debt
subordinated to senior debt that is assigned an actual or implied BB or BB-
rating.

CCC: Debt rated CCC has a currently identifiable vulnerability to default, and
is dependent upon favorable business, financial, and economic conditions to meet
timely payment of interest and repayment of principal. In the event of adverse
business, financial, or economic conditions, it is not likely to have the
capacity to pay interest and repay principal. The CCC rating category is also
used for debt subordinated to senior debt that is assigned an actual or implied
B or B- rating.

CC: The rating CC is typically applied to debt subordinated to senior debt
which is assigned an actual or implied CCC debt rating.

C: The rating C is typically applied to debt subordinated to senior debt which
is assigned an actual or implied CCC- debt rating. The C rating may be used to
cover a situation where a bankruptcy petition has been filed, but debt service
payments are continued.

C1: The Rating C1 is reserved for income bonds on which no interest is being
paid.

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

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

NR: NR indicates that no public rating has been requested, because there is
insufficient information on which to base a rating, or because Standard & Poor's
does not rate a particular type of obligation as a matter of policy.

NOTES: Debt which is unrated exposes the investor to risks with respect to
capacity to pay interest or repay principal which are similar to the risks of
lower-rated speculative obligations. The Portfolio is dependent on the
investment adviser's judgment, analysis and experience in the evaluation of such
debt.

    Investors should note that the assignment of a rating to a bond by a rating
service may not reflect the effect of recent developments on the issuer's
ability to make interest and principal payments.

<PAGE>

                           PART C - OTHER INFORMATION

ITEM 23.            EXHIBITS

  (a)(1)            Amended  and  Restated  Declaration  of Trust of Eaton Vance
                    Mutual Funds Trust dated  August 17, 1993,  filed as Exhibit
                    (1)(a) to  Post-Effective  Amendment No. 23 and incorporated
                    herein by reference.

     (2)            Amendment  dated July 10, 1995 to the  Declaration  of Trust
                    filed as Exhibit (1)(b) to  Post-Effective  Amendment No. 23
                    and incorporated herein by reference.

     (3)            Amendment  dated June 23, 1997 to the  Declaration  of Trust
                    filed as Exhibit (1)(c) to  Post-Effective  Amendment No. 38
                    and incorporated herein by reference.

     (4)            Amendment and Restatement of  Establishment  and Designation
                    of Shares dated  January 6, 1998 filed as Exhibit  (1)(d) to
                    Post-Effective  Amendment No. 41 and incorporated  herein by
                    reference.

  (b)(1)            By-Laws as amended  November 3, 1986 filed as Exhibit (2)(a)
                    to Post-Effective  Amendment No. 23 and incorporated  herein
                    by reference.

     (2)            Amendment to By-Laws of Eaton Vance Mutual Funds Trust dated
                    December 13, 1993 filed as Exhibit (2)(b) to  Post-Effective
                    Amendment No. 23 and incorporated herein by reference.

  (c)               Reference is made to Item 23(a) and 23(b) above.

  (d)(1)            Investment  Advisory  Agreement with Eaton Vance  Management
                    for Eaton Vance  Short-Term  Treasury Fund dated February 4,
                    1991 filed as Exhibit (5)(a) to Post-Effective Amendment No.
                    23 and incorporated herein by reference.

     (2)            Investment  Advisory  Agreement with Eaton Vance  Management
                    for Eaton  Vance Tax Free  Reserves  dated  August 15,  1995
                    filed as Exhibit (5)(b) to  Post-Effective  Amendment No. 25
                    and incorporated herein by reference.

     (3)            Investment  Advisory  Agreement with Eaton Vance  Management
                    for Eaton  Vance  Tax-Managed  Emerging  Growth  Fund  dated
                    September 16, 1997 filed as Exhibit (5)(c) to Post-Effective
                    Amendment No. 37 and incorporated herein by reference.

     (4)            Investment  Advisory  Agreement with Eaton Vance  Management
                    for Eaton Vance  Municipal  Bond Fund dated October 17, 1997
                    filed as Exhibit (5)(d) to  Post-Effective  Amendment No. 37
                    and incorporated herein by reference.

     (5)            Investment  Advisory  Agreement with Eaton Vance  Management
                    for Eaton Vance Tax-Managed  International Growth Fund dated
                    March 4, 1998  filed as  Exhibit  (5)(e)  to  Post-Effective
                    Amendment No. 42 and incorporated herein by reference.

  (e)(1)            Distribution  Agreement  between  Eaton Vance  Mutual  Funds
                    Trust,  on behalf of Eaton Vance Cash  Management  Fund, and
                    Eaton Vance  Distributors,  Inc.  effective November 1, 1996
                    filed as Exhibit (6)(a)(4) to  Post-Effective  Amendment No.
                    34 and incorporated herein by reference.


                                       C-1
<PAGE>

     (2)            Distribution  Agreement  Between  Eaton Vance  Mutual  Funds
                    Trust,  on behalf of Eaton Vance  Liquid  Assets  Fund,  and
                    Eaton Vance  Distributors,  Inc.  effective November 1, 1996
                    filed as Exhibit (6)(a)(5) to  Post-Effective  Amendment No.
                    34 and incorporated herein by reference.

     (3)            Distribution  Agreement  between  Eaton Vance  Mutual  Funds
                    Trust, on behalf of Eaton Vance Money Market Fund, and Eaton
                    Vance Distributors, Inc. effective November 1, 1996 filed as
                    Exhibit  (6)(a)(6) to  Post-Effective  Amendment  No. 34 and
                    incorporated herein by reference.

     (4)            Distribution  Agreement  between  Eaton Vance  Mutual  Funds
                    Trust, on behalf of Eaton Vance Tax Free Reserves, and Eaton
                    Vance Distributors, Inc. effective November 1, 1996 filed as
                    Exhibit  (6)(a)(7) to  Post-Effective  Amendment  No. 34 and
                    incorporated herein by reference.

     (5)            Distribution  Agreement  between  Eaton Vance  Mutual  Funds
                    Trust (on behalf of certain of its series),  and Eaton Vance
                    Distributors,  Inc.  effective  June 23, 1997 with  attached
                    Schedules  filed  as  Exhibit  (6)(a)(8)  to  Post-Effective
                    Amendment No. 38 and incorporated herein by reference.

       (i)          Amendment to  Distribution  Agreement dated October 17, 1997
                    filed as Exhibit (6)(a)(9) to  Post-Effective  Amendment No.
                    38 and incorporated herein by reference.

       (ii)         Schedule A-2 to Distribution  Agreement dated March 4, 1998,
                    filed as Exhibit  (6)(a)(5)(ii) to Post-Effective  Amendment
                    No. 42 and incorporated herein by reference.

     (6)            Selling Group  Agreement  between Eaton Vance  Distributors,
                    Inc. and  Authorized  Dealers filed as Exhibit (6)(b) to the
                    Post-Effective   Amendment   No.  61  to  the   Registration
                    Statement of Eaton Vance  Growth  Trust (File Nos.  2-22019,
                    811-1241) and incorporated herein by reference.

  (f)               The  Securities  and  Exchange  Commission  has  granted the
                    Registrant an exemptive order that permits the Registrant to
                    enter  into  deferred  compensation  arrangements  with  its
                    independent Trustees.  See in the Matter of Capital Exchange
                    Fund, Inc., Release No. IC-20671 (November 1, 1994).

  (g)(1)            Custodian  Agreement  with  Investors  Bank & Trust  Company
                    dated   October   15,   1992   filed  as   Exhibit   (8)  to
                    Post-Effective  Amendment No. 23 and incorporated  herein by
                    reference.

     (2)            Amendment to Custodian Agreement with Investors Bank & Trust
                    Company  dated  October 23, 1995 filed as Exhibit  (8)(b) to
                    Post-Effective  Amendment No. 27 and incorporated  herein by
                    reference.

     (3)            Amendment to Master Custodian  Agreement with Investors Bank
                    & Trust  Company  dated  December  21, 1998 filed as Exhibit
                    (g)(3)  to  the   Registration   Statement  of  Eaton  Vance
                    Municipals Trust (File Nos. 33-572,  811-4409)(Accession No.
                    0000950156-99-000050) and incorporated herein by reference.

  (h)(1)(a)         Amended  Administrative  Services  Agreement  between  Eaton
                    Vance  Mutual  Funds  Trust  (on  behalf of  certain  of its
                    series) and Eaton Vance  Management dated July 31, 1995 with
                    attached  schedules  (including Amended Schedule A dated May
                    7, 1996) filed as Exhibit (9)(a) to Post-Effective Amendment
                    No. 24 and incorporated herein by reference.


                                       C-2
<PAGE>

          (b)       Amendment  to  Schedule A dated June 23, 1997 to the Amended
                    Administrative  Services Agreement dated July 31, 1995 filed
                    as Exhibit (9)(a)(1) to Post-Effective  Amendment No. 38 and
                    incorporated herein by reference.

     (2)            Transfer  Agency  Agreement  dated  January 1, 1998 filed as
                    Exhibit (k)(b) to the Registration  Statement on Form N-2 of
                    Eaton Vance Advisers  Senior  Floating-Rate  Fund (File Nos.
                    333-46853,  811-08671) (Accession No.  0000950156-98-000172)
                    and incorporated herein by reference.

  (i)(1)            Opinion of  Internal  Counsel  filed as  Exhibit  No. (i) to
                    Post-Effective  Amendment No. 47 and incorporated  herein by
                    reference.

  (j)               Not applicable

  (k)               Not applicable

  (l)               Not applicable

  (m)(1)(a)         Distribution   Plan   pursuant   to  Rule  12b-1  under  the
                    Investment  Company Act of 1940 for Eaton  Vance  Short-Term
                    Treasury Fund dated February 4, 1991 as Amended and Restated
                    February 25, 1991 filed as Exhibit (15)(b) to Post-Effective
                    Amendment No. 23 and incorporated herein by reference.

        (b)         Amendment to Distribution  Plan for Eaton Vance Mutual Funds
                    Trust on  behalf of Eaton  Vance  Short-Term  Treasury  Fund
                    adopted  June  24,  1996  filed  as  Exhibit  (15)(b)(1)  to
                    Post-Effective  Amendment No. 34 and incorporated  herein by
                    reference.

      (2)(a)        Distribution   Plan  for  Eaton  Vance  Liquid  Assets  Fund
                    pursuant to Rule 12b-1 under the  Investment  Company Act of
                    1940  dated  June 19,  1995  filed  as  Exhibit  (15)(g)  to
                    Post-Effective  Amendment No. 25 and incorporated  herein by
                    reference.

         (b)        Amendment to Distribution  Plan for Eaton Vance Mutual Funds
                    Trust on behalf of Eaton Vance  Liquid  Assets Fund  adopted
                    June 24, 1996 filed as Exhibit  (15)(g)(1) to Post-Effective
                    Amendment No. 34 and incorporated herein by reference.

      (3)(a)        Distribution Plan for Eaton Vance Money Market Fund pursuant
                    to Rule 12b-1 under the Investment Company Act of 1940 dated
                    June 19,  1995  filed as Exhibit  (15)(h) to  Post-Effective
                    Amendment No. 25 and incorporated herein by reference.

         (b)        Amendment to Distribution  Plan for Eaton Vance Mutual Funds
                    Trust on behalf of Eaton  Vance Money  Market  Fund  adopted
                    June 24, 1996 filed as Exhibit  (15)(h)(1) to Post-Effective
                    Amendment No. 34 and incorporated herein by reference.

      (4)(a)        Eaton Vance  Mutual Funds Trust Class A Service Plan adopted
                    June 23,  1997  with  attached  Schedules  filed as  Exhibit
                    (15)(i) to Post-Effective  Amendment No. 38 and incorporated
                    herein by reference.

         (b)        Schedule  A-2 to Class A Service  Plan dated  March 4, 1998,
                    filed as Exhibit (15)(d)(1) to Post-Effective  Amendment No.
                    42 and incorporated herein by reference.


                                       C-3
<PAGE>

     (5)(a)         Eaton Vance  Mutual  Funds Trust Class B  Distribution  Plan
                    adopted  June 23,  1997  with  attached  Schedules  filed as
                    Exhibit  (15)(j)  to  Post-Effective  Amendment  No.  38 and
                    incorporated herein by reference.

        (b)         Schedule  A-2 to Class B  Distribution  Plan dated  March 4,
                    1998,   filed  as  Exhibit   (15)(e)(1)  to   Post-Effective
                    Amendment No. 42 and incorporated herein by reference.

     (6)(a)         Eaton Vance  Mutual  Funds Trust Class C  Distribution  Plan
                    adopted  June 23,  1997  with  attached  Schedules  filed as
                    Exhibit  (15)(k)  to  Post-Effective  Amendment  No.  38 and
                    incorporated herein by reference.

        (b)         Schedule  A-2 to Class C  Distribution  Plan dated  March 4,
                    1998,   filed  as  Exhibit   (15)(f)(1)  to   Post-Effective
                    Amendment No. 42 and incorporated herein by reference.

  (n)               Not applicable

  (o)(1)(a)         Multiple  Class Plan for Eaton  Vance  Funds  dated June 23,
                    1997 filed as Exhibit (18) to  Post-Effective  Amendment No.
                    37 and incorporated herein by reference.

        (b)         Schedule  A-4 to Multiple  Class Plan dated  January 6, 1998
                    filed as Exhibit (18)(a)(1) to Post-Effective  Amendment No.
                    42 and incorporated herein by reference.

  (p)(1)            Power of Attorney  for Eaton Vance  Mutual Funds Trust dated
                    June 23, 1997 filed as Exhibit No. (17)(a) to Post-Effective
                    Amendment No. 35 and incorporated herein by reference.

        (a)         Power of Attorney  for Eaton Vance  Mutual Funds Trust dated
                    November 16, 1998 filed as Exhibit (p)(1) to  Post-Effective
                    Amendment No. 47 and incorporated herein by reference.

     (2)            Power of Attorney for Government Obligations Portfolio dated
                    April 22,  1997 filed as Exhibit  (17)(b) to  Post-Effective
                    Amendment No. 36 and incorporated herein by reference.

        (a)         Power of Attorney for Government Obligations Portfolio dated
                    November   16,   1998   filed  as   Exhibit   (p)(2)(a)   to
                    Post-Effective  Amendment No. 48 and incorporated  herein by
                    reference.

     (3)            Power of Attorney for High Income  Portfolio  dated February
                    14,  1997 filed as  Exhibit  No.  (17)(c) to  Post-Effective
                    Amendment No. 36 and incorporated herein by reference.

        (a)         Power of Attorney for High Income  Portfolio  dated November
                    16, 1998 filed as Exhibit (p)(3) to Post-Effective Amendment
                    No. 47 and incorporated herein by reference.

     (4)            Power of Attorney for Strategic Income Portfolio dated April
                    22,  1997 filed as  Exhibit  No.  (17)(d) to  Post-Effective
                    Amendment No. 36 and incorporated herein by reference.

        (a)         Power of  Attorney  for  Strategic  Income  Portfolio  dated
                    November 16, 1998 filed as Exhibit (p)(4) to  Post-Effective
                    Amendment No. 47 and incorporated herein by reference.

     (5)            Power of Attorney for Cash Management  Portfolio dated April
                    22,  1997  filed  as  Exhibit   (17)(e)  to   Post-Effective
                    Amendment No. 36 and incorporated herein by reference.

        (a)         Power  of  Attorney  for  Cash  Management  Portfolio  dated
                    November   16,   1998   filed  as   Exhibit   (p)(5)(a)   to
                    Post-Effective  Amendment No. 48 and incorporated  herein by
                    reference.


                                       C-4
<PAGE>

     (6)            Power of Attorney for  Tax-Managed  Growth  Portfolio  dated
                    February   20,  1998  filed  as  Exhibit   No.   (17)(f)  to
                    Post-Effective  Amendment No. 41 and incorporated  herein by
                    reference.

        (a)         Power of Attorney for  Tax-Managed  Growth  Portfolio  dated
                    November 16, 1998 filed as Exhibit (p)(6) to  Post-Effective
                    Amendment No. 47 and incorporated herein by reference.

ITEM 24. PERSONS CONTROLLED BY OR UNDER COMMON CONTROL

     Not applicable

ITEM 25. INDEMNIFICATION

     Article IV of the  Registrant's  Amended and Restated  Declaration of Trust
permits  Trustee  and  officer  indemnification  by By-law,  contract  and vote.
Article XI of the  By-Laws  contains  indemnification  provisions.  Registrant's
Trustees  and  officers  are  insured  under a standard  mutual  fund errors and
omissions  insurance policy covering loss incurred by reason of negligent errors
and omissions committed in their capacities as such.

     The  distribution  agreements of the Registrant also provide for reciprocal
indemnity of the principal  underwriter,  on the one hand,  and the Trustees and
officers, on the other.

ITEM 26. BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISER

     Reference  is made to:  (i) the  information  set forth  under the  caption
"Management and Organization" in the Statement of Additional  Information;  (ii)
the Eaton Vance Corp. 10-K filed under the Securities Exchange Act of 1934 (File
No.  1-8100);  and  (iii)  the Form  ADV of Eaton  Vance  Management  (File  No.
801-15930) and Boston  Management and Research (File No.  801-43127)  filed with
the Commission, all of which are incorporated herein by reference.

ITEM 27. PRINCIPAL UNDERWRITERS

     (a)  Registrant's principal underwriter, Eaton Vance Distributors,  Inc., a
          wholly-owned  subsidiary of Eaton Vance  Management,  is the principal
          underwriter for each of the investment companies named below:
<TABLE>
<CAPTION>
<S>                                                    <C>
Eaton Vance Advisers Senior Floating-Rate Fund         Eaton Vance Municipals Trust II
Eaton Vance Growth Trust                               Eaton Vance Mutual Funds Trust
Eaton Vance Income Fund of Boston                      Eaton Vance Prime Rate Reserves
Eaton Vance Institutional Senior Floating-Rate Fund    Eaton Vance Special Investment Trust
Eaton Vance Investment Trust                           EV Classic Senior Floating-Rate Fund
Eaton Vance Municipals Trust

</TABLE>


     (b)
<TABLE>
<CAPTION>
<S>                     <C>                                     <C>
         (1)                             (2)                             (3)
  Name and Principal            Positions and Offices           Positions and Offices
  Business Address*           with Principal Underwriter           with Registrant
  -----------------           --------------------------           ---------------

  Albert F. Barbaro                 Vice President                      None
      Chris Berg                    Vice President                      None
   Kate B. Bradshaw                 Vice President                      None
     Mark Carlson                   Vice President                      None
  Daniel C. Cataldo                 Vice President                      None
     Raymond Cox                    Vice President                      None
    Peter Crowley                   Vice President                      None
    Mark P. Doman                   Vice President                      None
    Alan R. Dynner                  Vice President                    Secretary

                                      C-5
<PAGE>

  Richard A. Finelli                Vice President                      None
     Kelly Flynn                    Vice President                      None
     James Foley                    Vice President                      None
  Michael A. Foster                 Vice President                      None
  William M. Gillen             Senior Vice President                   None
  Hugh S. Gilmartin                 Vice President                      None
   James B. Hawkes           Vice President and Director        President and Trustee
   Perry D. Hooker                  Vice President                      None
     Brian Jacobs               Senior Vice President                   None
    Thomas P. Luka                  Vice President                      None
     John Macejka                   Vice President                      None
    Stephen Marks                   Vice President                      None
 Joseph T. McMenamin                Vice President                      None
  Morgan C. Mohrman             Senior Vice President                   None
  James A. Naughton                 Vice President                      None
    Joseph Nelson                   Vice President                      None
    Mark D. Nelson                  Vice President                      None
   Linda D. Newkirk                 Vice President                      None
  James L. O'Connor                 Vice President                    Treasurer
     Andrew Ogren                   Vice President                      None
     Thomas Otis                 Secretary and Clerk                    None
  George D. Owen, II                Vice President                      None
  Enrique M. Pineda                 Vice President                      None
 F. Anthony Robinson                Vice President                      None
    Frances Rogell                  Vice President                      None
    Jay S. Rosoff                   Vice President                      None
 Benjamin A. Rowland, Jr.  Vice President, Treasurer and Director       None
  Stephen M. Rudman                 Vice President                      None
    Kevin Schrader                  Vice President                      None
 George V.F. Schwab, Jr.            Vice President                      None
  Teresa A. Sheehan                 Vice President                      None
   William M. Steul          Vice President and Director                None
Cornelius J. Sullivan           Senior Vice President                   None
     Peter Sykes                    Vice President                      None
    David M. Thill                  Vice President                      None
   John M. Trotsky                  Vice President                      None
    Jerry Vainisi                   Vice President                      None
      Chris Volf                    Vice President                      None
 Wharton P. Whitaker            President and Director                  None
      Sue Wilder                    Vice President                      None
</TABLE>
 ------------------------------------------
* Address is 255 State Street, Boston, MA  02109

     (c)  Not applicable

ITEM 28. LOCATION OF ACCOUNTS AND RECORDS

     All applicable  accounts,  books and documents required to be maintained by
the  Registrant by Section 31(a) of the  Investment  Company Act of 1940 and the
Rules  promulgated   thereunder  are  in  the  possession  and  custody  of  the
Registrant's  custodian,  Investors Bank & Trust Company,  200 Clarendon Street,
16th Floor,  Mail Code ADM27,  Boston,  MA 02116, and its transfer agent,  First
Data Investor Services Group, 4400 Computer Drive,  Westborough,  MA 01581-5120,
with  the  exception  of  certain  corporate  documents  and  portfolio  trading
documents which are in the possession and custody,  Eaton Vance Management,  255
State Street,  Boston,  MA 02109.  Registrant  is informed  that all  applicable
accounts, books and documents required to be maintained by registered investment
advisers are in the custody and possession of Eaton Vance  Management and Boston
Management and Research.

ITEM 29. MANAGEMENT SERVICES

     Not applicable

                                       C-6
<PAGE>

ITEM 30. UNDERTAKINGS

     Not applicable

                                      C-7
<PAGE>


                                   SIGNATURES

     Pursuant  to the  requirements  of the  Securities  Act of  1933,  and  the
Investment Company Act of 1940, the Registrant has duly caused this Amendment to
its  Registration  Statement  to be  signed on its  behalf  by the  undersigned,
thereunto  duly  authorized  in the  City of  Boston,  and the  Commonwealth  of
Massachusetts, on May 21, 1999.

                               EATON VANCE MUTUAL FUNDS TRUST

                               By: /s/  JAMES B. HAWKES
                                   -------------------------------
                                        James B. Hawkes, President

     Pursuant  to  the   requirements  of  the  Securities  Act  of  1933,  this
Post-Effective  Amendment to the Registration Statement has been signed below by
the following persons in their capacities on May 21, 1999.
<TABLE>
<CAPTION>
<S>                      <C>
      SIGNATURE                                   TITLE
      ---------                                    -----


/s/ James B. Hawkes
- -------------------            President (Chief Executive Officer) and Trustee
James B. Hawkes


/s/ James L. O'Connor
- ---------------------       Treasurer (Principal Financial and Accounting Officer)
James L. O'Connor


Jessica M. Bibliowicz*
- ----------------------                           Trustee
Jessica M. Bibliowicz


Donald R. Dwight*
- -----------------                                Trustee
Donald R. Dwight


Samuel L. Hayes, III*
- ---------------------                            Trustee
Samuel L. Hayes


Norton H. Reamer*
- -----------------                                Trustee
Norton H. Reamer


Lynn A. Stout*
- --------------                                   Trustee
Lynn A. Stout


John L. Thorndike*
- ------------------                               Trustee
John L. Thorndike


Jack L. Treynor*
- -----------------                                Trustee
Jack L. Treynor


*By:  /s/  Alan R. Dynner
     -----------------------------------
           Alan R. Dynner (As attorney-in-fact)
</TABLE>


                                       C-8
<PAGE>

                                   SIGNATURES

     High Income  Portfolio has duly caused this  Amendment to the  Registration
Statement on Form N-1A of Eaton Vance Mutual Funds Trust (File No.  02-90946) to
be signed on its behalf by the  undersigned,  thereunto  duly  authorized in the
City of Boston and the Commonwealth of Massachusetts on May 21, 1999.

                               HIGH INCOME PORTFOLIO

                               By:  /s/ JAMES B. HAWKES
                                    --------------------------------------
                                        James B. Hawkes, President

     This  Amendment to the  Registration  Statement on Form N-1A of Eaton Vance
Mutual Funds Trust (File No.  02-90946)  has been signed below by the  following
persons in their capacities on May 21, 1999.

<TABLE>
<CAPTION>
<S>                     <C>
      SIGNATURE                                        TITLE
      ---------                                        -----

/s/ James B. Hawkes
- -------------------                President (Chief Executive Officer) and Trustee
James B. Hawkes


/s/ James L. O'Connor
- ---------------------         Treasurer (Principal Financial and Accounting Officer)
James L. O'Connor


Jessica M. Bibliowicz*
- ----------------------                                 Trustee
Jessica M. Bibliowicz


Donald R. Dwight*
- -----------------                                      Trustee
Donald R. Dwight


Samuel L. Hayes, III*
- ---------------------                                  Trustee
Samuel L. Hayes


Norton H. Reamer*
- -----------------                                      Trustee
Norton H. Reamer


Lynn A. Stout*
- --------------                                         Trustee
Lynn A. Stout


John L. Thorndike*
- ------------------                                     Trustee
John L. Thorndike


Jack L. Treynor*
- ----------------                                       Trustee
Jack L. Treynor


*By:  /s/  Alan R. Dynner
      ---------------------------------
           Alan R. Dynner (As attorney-in-fact)
</TABLE>


                                       C-9
<PAGE>

                                   SIGNATURES

     Strategic   Income   Portfolio  has  duly  caused  this  Amendment  to  the
Registration  Statement on Form N-1A of Eaton Vance Mutual Funds Trust (File No.
02-90946)  to be  signed  on its  behalf  by  the  undersigned,  thereunto  duly
authorized in the City of Boston and the  Commonwealth of  Massachusetts  on May
21, 1999.

                               STRATEGIC INCOME PORTFOLIO

                               By:  /s/ JAMES B. HAWKES
                                    --------------------------------------
                                        James B. Hawkes, President

     This  Amendment to the  Registration  Statement on Form N-1A of Eaton Vance
Mutual Funds Trust (File No.  02-90946)  has been signed below by the  following
persons in their capacities on May 21, 1999.
<TABLE>
<CAPTION>
<S>                     <C>
      SIGNATURE                                             TITLE
      ---------                                             -----


/s/ James B. Hawkes                       President (Chief  Executive Officer) and Trustee
- --------------------
James B. Hawkes


/s/ James L. O'Connor                 Treasurer (Principal Financial and Accounting Officer)
- -------------------
James L. O'Connor


Jessica M. Bibliowicz*
- ----------------------                                      Trustee
Jessica M. Bibliowicz


Donald R. Dwight*
- -----------------                                           Trustee
Donald R. Dwight


Samuel L. Hayes, III*
- ---------------------                                       Trustee
Samuel L. Hayes


Norton H. Reamer*
- -----------------                                           Trustee
Norton H. Reamer


Lynn A. Stout*
- -------------------                                         Trustee
Lynn A. Stout


John L. Thorndike*
- ------------------                                          Trustee
John L. Thorndike


Jack L. Treynor*
- ----------------                                            Trustee
Jack L. Treynor


*By:  /s/  Alan R. Dynner
      ---------------------------------
           Alan R. Dynner (As attorney-in-fact)

</TABLE>

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