EATON VANCE PRIME RATE RESERVES
497, 1995-03-03
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<PAGE>
                       EATON VANCE PRIME RATE RESERVES


   
     THE INVESTMENT OBJECTIVE OF EATON VANCE PRIME RATE RESERVES (THE "FUND") IS
TO  PROVIDE  AS HIGH A  LEVEL  OF  CURRENT  INCOME  AS IS  CONSISTENT  WITH  THE
PRESERVATION OF CAPITAL, BY INVESTING IN A PORTFOLIO PRIMARILY OF SENIOR SECURED
FLOATING  RATE  LOANS.  THE FUND  CURRENTLY  SEEKS TO ACHIEVE ITS  OBJECTIVE  BY
INVESTING  ITS  ASSETS IN THE  SENIOR  DEBT  PORTFOLIO  (THE  "PORTFOLIO").  THE
PORTFOLIO  HAS  THE  SAME  INVESTMENT   OBJECTIVE  AS  THE  FUND.  THE  FUND,  A
CONTINUOUSLY OFFERED, CLOSED-END, NON-DIVERSIFIED MANAGEMENT INVESTMENT COMPANY,
INVESTS  DIRECTLY  IN  THE PORTFOLIO,  A SEPARATE,  CLOSED-END,  NON-DIVERSIFIED
MANAGEMENT INVESTMENT COMPANY,  RATHER THAN, AS WITH AN HISTORICALLY  STRUCTURED
INVESTMENT  COMPANY,  INVESTING  DIRECTLY IN AND MANAGING  ITS OWN  PORTFOLIO OF
LOANS AND  SECURITIES.  THE  PORTFOLIO  AND THE FUND MAY  BORROW,  PRIMARILY  IN
CONNECTION  WITH THE FUND'S TENDER OFFERS FOR ITS SHARES.  SEE "USE OF LEVERAGE"
ON PAGE 10.
    

     Shares of the Fund are not deposits or  obligations  of, or  guaranteed  or
endorsed  by,  any bank or other  insured  depository  institution,  and are not
federally  insured by the Federal  Deposit  Insurance  Corporation,  the Federal
Reserve  Board or any  other  government  agency.  Shares  of the  Fund  involve
investment risks,  including fluctuations in value and the possible loss of some
or all of the principal investment.

     This  Prospectus  sets forth  information  about the Fund that an  investor
should  know  before  investing.  It  should  be read and  retained  for  future
reference. A Statement of Additional Information for the Fund dated February 22,
1995, as supplemented  from time to time, has been filed with the Securities and
Exchange  Commission  and is  incorporated  herein  by  reference.  The Table of
Contents of the Statement of Additional  Information  appears at the end of this
Prospectus.  The Statement of Additional Information is available without charge
from the Fund's  Principal  Underwriter,  Eaton  Vance  Distributors,  Inc.,  24
Federal Street, Boston, MA 02110 (telephone (800) 225-6265).

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

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

             PRICE TO PUBLIC             SALES LOAD(2)          PROCEEDS TO FUND
             ---------------             -------------          ----------------
Per Share(1)      $10.04                   None                     $10.04
Total ...... $3,000,000,000       None to be paid by the Fund   $3,000,000,000
                                     
- ---------
(1) The shares are offered on a best  efforts  basis at a price equal to the net
    asset value which,  as of February 10, 1995, was $10.04 per share.  See "How
    to Buy Fund Shares."
(2) Because Eaton Vance Distributors, Inc. and its affiliates will pay all sales
    commissions to authorized  firms from their own assets,  the net proceeds of
    the offering will be available to the Fund for  investment in the Portfolio.
    See "How to Buy Fund Shares."

                                --------------
                        EATON VANCE DISTRIBUTORS, INC.
                      Prospectus dated February 22, 1995
- ---------
Copyright (C) 1995. Eaton Vance Management

<PAGE>

     The Fund is engaged in a  continuous  public  offering of its shares at net
asset value without an initial sales charge. An early withdrawal charge of up to
3% will be  imposed  on most  shares  held for less  than four  years  which are
accepted for repurchase pursuant to a tender offer, as set forth below. See "How
to Buy Fund  Shares"  and  "Early  Withdrawal."  The  address  of the Fund is 24
Federal Street, Boston, MA 02110 (telephone (800) 225-6265).

     The Portfolio's  investment  adviser is Boston Management and Research (the
"Investment  Adviser"  or  "BMR"),  a  wholly-owned  subsidiary  of Eaton  Vance
Management   ("Eaton   Vance"),   and   Eaton   Vance  is   administrator   (the
"Administrator")  of the Fund.  The  offices of the  Investment  Adviser and the
Administrator are located at 24 Federal Street, Boston, MA 02110.

     NO MARKET  PRESENTLY  EXISTS FOR THE FUND'S  SHARES AND IT IS NOT CURRENTLY
ANTICIPATED  THAT A SECONDARY  MARKET WILL DEVELOP FOR THE FUND'S  SHARES.  Fund
shares are not readily marketable.  To provide investor liquidity,  the Trustees
of the Fund  presently  intend each  quarter to consider  the making of a tender
offer to purchase all or a portion of the Fund's shares at net asset value.  See
"Tender Offers to Purchase Shares."

   
                              TABLE OF CONTENTS
                                                                          PAGE
                                                                          ----
Shareholder and Fund Expenses .....................................         3
The Fund's Financial Highlights ...................................         4
The Fund's Investment Objective ...................................         6
How the Fund and the Portfolio Invest their Assets
 (including "Risk Factors") .......................................         6
Yield and Performance Information .................................        14
Organization of the Fund and the Portfolio ........................        15
Management of the Fund and the Portfolio ..........................        18
Valuing Fund Shares ...............................................        19
How to Buy Fund Shares ............................................        21
Tender Offers to Purchase Shares ..................................        23
Early Withdrawal ..................................................        24
Reports to Shareholders ...........................................        26
The Lifetime Investing Account/Distribution Options ...............        26
Eaton Vance Shareholder Services ..................................        27
Distributions and Taxes ...........................................        28
Table of Contents of the Statement of Additional Information ......        30
    
<PAGE>

SHAREHOLDER AND FUND EXPENSES(1)

SHAREHOLDER TRANSACTION EXPENSES
Sales Load (as a percentage of offering price) ...................         None
Dividend Reinvestment Fees .......................................         None
Range of Early Withdrawal Charges Imposed on Tender of Entire
  Account During the First Five Years (as a percentage of tender
  proceeds exclusive of all reinvestments and capital appreciation
  in the account)(2) .............................................     3.00%-0%

ANNUAL FUND AND ALLOCATED PORTFOLIO OPERATING EXPENSES
(as a percentage of average net assets attributable to shares of
  beneficial interest)
Investment Advisory Fee(3) .......................................        0.95%
AdministrationFee(3) .............................................        0.25%
Interest Payments on Borrowed Funds ..............................        0.20%
Other Expenses ...................................................        0.40%
                                                                          -----
Total Annual Expenses ............................................        1.80%
                                                                          =====

EXAMPLE                           1 YEAR       3 YEARS      5 YEARS     10 YEARS
- -------                           ------       -------      -------     --------
An investor would pay the 
  following early withdrawal
  charge and expenses on a
  $1,000 investment, assuming 
  (a) 5% annual return and 
  (b) tender at the end of
  each period:                     $48          $77          $97         $212
An investor would pay the 
  following expenses on the
  same investment, assuming
  (a) 5% annual return and
  (b) no tenders:                  $18          $57          $97         $212

Notes:

(1) The purpose of the above table and the Example is to summarize the aggregate
    expenses  of  the  Fund  and  the  Portfolio  and  to  assist  investors  in
    understanding the various costs and expenses that investors in the Fund will
    bear directly or indirectly. The Trustees of the Fund believe that over time
    the  aggregate per share  expenses of the Fund and the  Portfolio  should be
    approximately  equal to the per share expenses which the Fund would incur if
    the Fund  retained the services of an  investment  adviser and the assets of
    the Fund were invested  directly in the type of securities being held by the
    Portfolio.  The costs and expenses  included in the table and Example are an
    estimate  based on the Fund's  and the  Portfolio's  projected  fees for the
    fiscal year ending  December 31, 1995, and reflect the Fund's current policy
    of investing its assets in the  Portfolio.  The table and Example should not
    be  considered  a  representation  of past or future  expenses  since future
    expenses  may be greater or less than those shown in the table and  Example.
    For  further  information  regarding  the  expenses of both the Fund and the
    Portfolio see "The Fund's Financial  Highlights",  "Organization of the Fund
    and the Portfolio",  "Management of the Fund and the Portfolio", "How to Buy
    Fund Shares" and "Tender Offers to Purchase Shares".

(2) No early withdrawal charge is imposed on (a) shares purchased more than four
    years prior to the acceptance for tender,  (b) shares  acquired  through the
    reinvestment  of dividends and  distributions  and (c) any  appreciation  in
    value of other  shares  in the  account  (see  "Tender  Offers  to  Purchase
    Shares").

   
(3) As of the close of business on February 21, 1995, the Fund  transferred  its
    assets to the Portfolio in exchange for an interest in the Portfolio.  Prior
    to such date, the Fund retained Eaton Vance as its investment adviser. After
    such  transfer  of assets the Fund has  continued  to retain  Eaton Vance as
    administrator.  The Investment  Advisory and  Administration  Fees are based
    upon a percentage of the Portfolio's  average daily gross assets,  which are
    estimated to be  approximately  the same as its average daily net assets for
    the fiscal year ending December 31, 1995.
    

(4) Other investment companies with different distribution arrangements and fees
    are investing in the Portfolio and  additional  such  companies may do so in
    the future. See "Organization of the Fund and the Portfolio".

<PAGE>
The  following  information  should  be read in  conjunction  with  the  audited
financial statements included in the Statement of Additional Information, all of
which have been so  included  in  reliance  upon the report of Deloitte & Touche
LLP,  independent  certified  public  accountants,  as experts in accounting and
auditing,  which  report is  contained  in the Fund's  Statement  of  Additional
Information.  Further  information  regarding  the  performance  of the  Fund is
contained  in the Fund's  annual  report to  shareholders  which may be obtained
without  charge by  contacting  the Fund's  Principal  Underwriter,  Eaton Vance
Distributors, Inc.

<TABLE>
<CAPTION>

                             FINANCIAL HIGHLIGHTS
- -----------------------------------------------------------------------------------------------------------------------------
                                                                YEAR ENDED DECEMBER 31,
                          ---------------------------------------------------------------------------------------------------
                             1994              1993              1992              1991               1990          1989<F1>
                          -----------       -----------       -----------       -----------        ----------      ----------
PER SHARE OPERATING
  PERFORMANCE:
    Net asset value and
      market value --
      Beginning of year      $  10.03          $  10.02          $   9.96          $   9.97          $  10.00        $  10.00
                             --------          --------          --------          --------          --------        --------
    Income from
      Investment
      Operations:
    Net investment
      income                 $ 0.5966          $ 0.4970          $ 0.5415          $ 0.7500          $ 0.9505        $ 0.3535
    Net realized and                                                                       
      unrealized gain
      (loss) on
      investments             (0.0059)           0.0258            0.0575           (0.0035)<F2>      (0.0305)        --
                             --------          --------          --------          --------          --------        --------
      Total income from
        investment
        operations           $ 0.5907          $ 0.5228          $ 0.5990          $ 0.7465          $ 0.9200        $ 0.3535
                             --------          --------          --------          --------          --------        --------
    Less distributions:
      From net
        investment
        income               $(0.5966)         $(0.5110)         $(0.5296)         $(0.7522)         $(0.9500)       $(0.3535)
      In excess of net
        investment
        income                (0.0041)          --               --                --                 --              --
      From net realized
        gain on
        investments           --                --                (0.0094)          (0.0043)          --              --
      In excess of net
        realized gain on
        investment
        transactions          --                (0.0018)         --                --                 --              --
                             --------          --------          --------          --------          --------        --------
      Total distributions    $(0.6007)         $(0.5128)         $(0.5390)         $(0.7565)         $(0.9500)       $(0.3535)
                             --------          --------          --------          --------          --------        --------
    Net asset value and
      market value --
      End of year            $  10.02          $  10.03          $  10.02          $   9.96          $   9.97        $  10.00
                             ========          ========          ========          ========          ========        ========

TOTAL INVESTMENT RETURN<F3>      6.1%              5.3%              6.2%              7.8%              9.6%            3.6%
                             ========          ========          ========          ========          ========        ========
RATIOS (as a percentage
  of average net assets)<F4>:
    Operating expenses          1.63%             1.55%             1.44%             1.37%             1.43%           1.30%<F5>
    Interest expense            0.21%             0.22%             0.18%             0.16%              --              --
    Net investment income       5.95%             4.98%             5.33%             7.42%             9.48%           8.52%<F5>

SUPPLEMENTAL DATA:
    Net Assets, End of
      Year (000 omitted)     $611,588          $683,393        $1,011,006        $1,694,332        $2,095,692      $1,751,363
    Portfolio Turnover            60%               37%               26%               16%               43%             18%
    Number of Shares
      Outstanding at End
      of Year (000 omitted)    61,040            68,165           100,877           170,032           210,285         175,136

    LEVERAGE ANALYSIS:
    Borrowings by the Fund from issuance of commercial paper:
<CAPTION>
                               AMOUNT OF DEBT     AVERAGE DAILY BALANCE      AVERAGE WEEKLY BALANCE      AVERAGE AMOUNT OF
                               OUTSTANDING AT      OF DEBT OUTSTANDING       OF SHARES OUTSTANDING        DEBT PER SHARE
      YEAR ENDED                END OF YEAR            DURING YEAR                DURING YEAR               DURING YEAR
      ------                  ----------------  -------------------------  --------------------------  ---------------------
<S>         <C> <C>              <C>                   <C>                         <C>                        <C>    
   December 31, 1991             $   --                $34,893,000                 189,758,055                $0.1839
   December 31, 1992            $39,764,710            $37,304,000                 132,343,142                $0.2819
   December 31, 1993            $17,981,224            $24,585,000                  85,859,000                $0.2863
   December 31, 1994            $20,403,169            $10,236,000                  63,465,000                $0.1613

<FN>
<F1> For the period from the start of business, August 4, 1989, to December 31, 1989.
<F2> The per share amount is not in accordance with the net realized and unrealized gain for the period because of the timing
     of sales of Fund shares and the amount of per share realized and unrealized gains and losses at such time.
<F3> Total investment 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. Dividends and distributions, if any, are assumed to be reinvested
     at the net asset value on the payable date.
<F4> For the year ended December 31, 1991, and for the period from the start of business, August 4, 1989, to December 31,
     1989, the expenses related to the operation of the Fund were reduced by a reduction of the investment advisory fee. Had
     such action not been taken, the ratios would have been as follows:

<CAPTION>
                                                                                        YEAR ENDED DECEMBER 31,
                                                                               -----------------------------------------
                                                                                      1991                    1989<F1>
                                                                               ------------------          -------------
<S>                                                                                   <C>                     <C>
    RATIOS (as a percentage of average daily net assets):
        Operating expenses                                                             1.40%                  1.34%<F5>
        Interest expense                                                               0.16%                   --
        Net investment income                                                          7.39%                  8.48%<F5>

<F5> Computed on an annualized basis.
</TABLE>
   

Note: During each of the fiscal years shown above the Fund invested  directly in
      loans and  securities.  As of the close of business on February  21, 1995,
      the Fund  transferred  its  assets to the  Portfolio  in  exchange  for an
      interest in the Portfolio (unaudited).
    


<PAGE>


                       THE FUND'S INVESTMENT OBJECTIVE

   
     Eaton  Vance  Prime  Rate  Reserves  (the  "Fund")  is a  closed-end,  non-
diversified  management  investment company which continuously offers its shares
of beneficial interest ("shares") to the public. The Fund's investment objective
is to  provide  as high a level of  current  income  as is  consistent  with the
preservation of capital, by investing in a portfolio primarily of senior secured
floating  rate  loans.  The Fund  currently  seeks to achieve its  objective  by
investing its assets in the Senior Debt Portfolio (the "Portfolio"),  a separate
closed-end,   non-diversified   management  investment  company  with  the  same
investment  objective  as the  Fund.  There  is no  assurance  that  the  Fund's
objective,  or any specific yield on Fund shares,  will be achieved.  See "Yield
and  Performance  Information."  An  investment  in  shares of the Fund is not a
complete investment program.
    

              HOW THE FUND AND THE PORTFOLIO INVEST THEIR ASSETS

     The Portfolio will invest  primarily in senior secured floating rate loans,
and also in other  institutionally  traded  senior  secured  floating  rate debt
obligations  (collectively,   "Loans").  Under  normal  market  conditions,  the
Portfolio  will invest at least 80% of its total  assets in  interests  in Loans
("Loan  Interests").  These Loans are made primarily to U.S.  companies or their
affiliates or issuers of asset-backed interests (collectively,  "Borrowers") and
have floating  interest rates. Up to 20% of the Portfolio's  total assets may be
held in cash,  invested in investment  grade  short-term debt  obligations,  and
invested in  interests  in Loans that are  unsecured  ("Unsecured  Loans").  See
"Other Investment Policies" below.

     The Loans in which the  Portfolio  acquires  Loan  Interests  will,  in the
judgment of Boston Management and Research (the "Investment  Adviser" or "BMR"),
be in the category of senior debt of the Borrower  and will  generally  hold the
most senior position in the capitalization structure of the Borrower. Loans will
consist  primarily of direct  obligations of U.S.  companies or their affiliates
undertaken  to  finance  a  capital   restructuring   or  in   connection   with
recapitalizations,  acquisitions,  leveraged  buy-outs,  refinancings  or  other
financially  leveraged  transactions.  Such  Loans may  include  those made to a
Borrower for the purpose of acquiring ownership or control of a company, whether
as a purchase of equity or of assets, or for a leveraged  recapitalization  with
no change in ownership. Except for Unsecured Loans, each Loan will be secured by
collateral  which BMR believes to have a market value,  at the time of acquiring
the Loan  Interest,  which equals or exceeds the  principal  amount of the Loan.
Subsequent to purchase,  the value of the collateral  may decline,  and the Loan
may no longer be as secured. The Loans will typically have a stated term of five
to eight years. However, since the Loans typically amortize principal over their
stated life and are frequently prepaid,  their effective maturity is expected to
be two to three years. The Portfolio will maintain a segregated account with its
custodian  of  liquid,  high grade debt  obligations  with a value  equal to the
amount,  if any, of the Loan which the Portfolio has obligated itself to make to
the  Borrower,  but which has not yet been  requested  from the  Portfolio.  The
Portfolio  will attempt to maintain a portfolio of Loan Interests that will have
a  dollar   weighted   average  period  to  next  interest  rate  adjustment  of
approximately  90 days or less.  As of  December  31,  1994 (prior to the Fund's
investment in the Portfolio), the Fund's portfolio had a dollar weighted average
period to adjustment of approximately 55 days.

     The Portfolio will purchase Loan Interests only if, in BMR's judgment,  the
Borrower can meet debt service on the Loan.  In addition,  a Borrower  must meet
other  criteria  established  by BMR and deemed by it to be  appropriate  to the
analysis of the Borrower,  the Loan and the Loan Interest. The Loan Interests in
which the Portfolio invests are not currently rated by any nationally recognized
rating service.  The primary  consideration in selecting such Loan Interests for
investment by the Portfolio is the creditworthiness of the Borrower. The quality
ratings  assigned to other debt  obligations  of a Borrower are  generally not a
material  factor in  evaluating  Loans in which the Portfolio may acquire a Loan
Interest, since such obligations will typically be subordinated to the Loans and
be unsecured.  Instead,  BMR will perform its own independent credit analysis of
the Borrower in addition to utilizing  information  prepared and supplied by the
Agent (as defined below) or other  participants in the Loans. Such analysis will
include  an  evaluation  of the  industry  and  business  of the  Borrower,  the
management and financial statements of the Borrower, and the particular terms of
the Loan and the Loan Interest  which the Portfolio may acquire.  BMR's analysis
will continue on an ongoing  basis for any Loan  Interest  purchased and held by
the  Portfolio.  No  assurance  can  be  given  regarding  the  availability  at
acceptable  prices of Loan  Interests  that satisfy the  Portfolio's  investment
criteria.

     A Loan in which the  Portfolio  may acquire 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  any  collateral  on  behalf  of  the  lenders.  The
Collateral Bank must be a qualified  custodian under the Investment  Company Act
of 1940, as amended (the "1940 Act").  These Loan  Interests  generally take the
form of direct  interests  acquired during a primary  distribution  and may also
take the form of participation  interests in,  assignments of, or novations of a
Loan  acquired in secondary  markets.  Such Loan  Interests may be acquired from
U.S. or foreign  commercial  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.

     BMR 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"). The Portfolio will invest in
Loan  Interests  only if the  outstanding  debt  obligations  of the  Agent  and
Intermediate  Participants,  if any, are, at the time of investment,  investment
grade,  i.e.,  (a) rated BBB or better by  Standard  and  Poor's  Ratings  Group
("S&P") or Baa or better by Moody's Investors Service, Inc. ("Moody's");  or (b)
rated  A-2  by S&P or P-2 by  Moody's;  or (c)  determined  to be of  comparable
quality by BMR.

   
     The Portfolio may from time to time acquire Loan Interests in  transactions
in which the current yield to the Portfolio  exceeds the stated interest rate on
the Loan.  These  Loan  Interests  are  referred  to herein  as  "Discount  Loan
Interests"  because they are usually  acquired at a discount  from their nominal
value or with a facility  fee that  exceeds  the fee  traditionally  received in
connection with the acquisition of Loan Interests. The Borrowers with respect to
such Loans may have experienced, or may be perceived to be likely to experience,
credit  problems,  including  involvement in or recent emergence from bankruptcy
reorganization proceedings or other forms of credit restructuring.  In addition,
Discount Loan Interests may become  available as a result of an imbalance in the
supply of and demand for  certain  Loan  Interests.  The  Portfolio  may acquire
Discount  Loan  Interests  in order to realize an  enhanced  yield or  potential
capital  appreciation when BMR believes that such Loan Interests are undervalued
by  the  market  due  to an  excessively  negative  assessment  of a  Borrower's
creditworthiness  or an imbalance  between supply and demand.  The Portfolio may
benefit from any appreciation in value of a Discount Loan Interest,  even if the
Portfolio does not obtain 100% of the Loan Interest's face value or the Borrower
is not wholly successful in resolving its credit problems.
    

     From time to time BMR 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.

   
RISK FACTORS
     BMR  expects  the Fund's net asset  value to be  relatively  stable  during
normal market conditions  because the Portfolio's  assets will consist primarily
of interests in floating rate Loans and of short-term instruments.  Accordingly,
the value of the Portfolio's assets may fluctuate significantly less as a result
of interest  rate  changes  than would a portfolio  of  fixed-rate  obligations.
Nevertheless, a default in a Loan in which the Portfolio owns a Loan Interest, a
material deterioration of a Borrower's perceived or actual creditworthiness or a
sudden and extreme increase in prevailing  interest rates may cause a decline in
the Fund's net asset value. Conversely, a sudden and extreme decline in interest
rates could result in an increase in the Fund's net asset value. The Fund is not
a money  market  fund and its net asset  value will  fluctuate,  reflecting  any
fluctuations in the Portfolio's net asset value.

     Investments in Loan Interests by the Portfolio bear certain risks common to
investing in many secured debt instruments of nongovernmental issuers, including
the risk of  nonpayment  of principal  and interest by the  Borrower,  that Loan
collateral may become  impaired,  that any losses will be  proportionate  to the
degree of Loan Interest diversification and Borrower industry concentration, and
that the  Portfolio  may  obtain  less than full value for Loan  Interests  sold
because they are illiquid.

CREDIT RISK. Loan Interests are primarily dependent upon the creditworthiness of
the Borrower for payment of interest and principal.  The nonreceipt of scheduled
interest or principal on a Loan Interest may adversely  affect the income of the
Portfolio or the value of its  investments,  which may in turn reduce the amount
of dividends or the net asset value of the shares of the Fund.  The  Portfolio's
ability to receive  payment of principal of and interest on a Loan Interest also
depends upon the  creditworthiness  of any  institution  interposed  between the
Portfolio and the  Borrower.  To reduce  credit risk,  BMR actively  manages the
Portfolio as described above.  For information  regarding the status of holdings
of the Portfolio, see the Fund's financial statements.

     Loan  Interests  in  Loans  made in  connection  with  leveraged  buy-outs,
recapitalizations and other highly leveraged transactions are subject to greater
credit risks than many of the other Loan  Interests in which the  Portfolio  may
invest.  As of the date of this  Prospectus,  such  Loan  Interests  constituted
substantially all of the Portfolio's Loan Interests.  These credit risks include
the  possibility  of a default on the Loan or bankruptcy  of the  Borrower.  The
value of such Loan  Interests  are subject to a greater  degree of volatility in
response to interest  rate  fluctuations  and may be less liquid than other Loan
Interests.

     The Portfolio may acquire  interests in Loans which are designed to provide
temporary  or "bridge"  financing to a Borrower  pending the sale of  identified
assets or the arrangement of longer-term  loans or the issuance and sale of debt
obligations.  The Portfolio  may also invest in Loan  Interests of Borrowers who
have obtained bridge loans from other parties.  A Borrower's use of bridge loans
involves a risk that the Borrower may be unable to locate permanent financing to
replace   the  bridge   loan,   which  may  impair  the   Borrower's   perceived
creditworthiness.

     Although Loans in which the Portfolio  invests will generally hold the most
senior  position  in  the  capitalization   structure  of  the  Borrowers,   the
capitalization of many Borrowers will include  non-investment grade subordinated
debt.  During  periods of  deteriorating  economic  conditions,  a Borrower  may
experience  difficulty in meeting its payment  obligations  under such bonds and
other  subordinated  debt  obligations.  Such  difficulties may detract from the
Borrower's  perceived  creditworthiness  or its ability to obtain  financing  to
cover  short-term  cash flow needs and may force the Borrower into bankruptcy or
other forms of credit restructuring.
    

COLLATERAL IMPAIRMENT.  Loans (excluding Unsecured Loans) will be secured unless
(i) the value of the collateral declines below the amount of the Loans, (ii) the
Portfolio's security interest in the collateral is invalidated for any reason by
a court or (iii) the  collateral is partially or fully  released under the terms
of the Loan Agreement as the creditworthiness of the Borrower improves. There is
no assurance  that the  liquidation  of collateral  would satisfy the Borrower's
obligation  in the event of nonpayment  of scheduled  interest or principal,  or
that collateral could be readily liquidated.  The value of collateral  generally
will be  determined by reference to financial  statements  of the  Borrower,  an
independent appraisal performed at the request of the Agent at the time the Loan
was  initially  made,  the  market  value  of  such  collateral  (e.g.,  cash or
securities) if it is readily  ascertainable  and/or by other customary valuation
techniques  considered  appropriate  in  the  judgment  of  BMR.  Collateral  is
generally  valued on the basis of the  Borrower's  status as a going concern and
such valuation may exceed the immediate liquidation value of the collateral.


     Collateral  may  include  (i)  working  capital  assets,  such as  accounts
receivable  and inventory;  (ii) tangible  fixed assets,  such as real property,
buildings and equipment;  (iii) intangible assets, such as trademarks and patent
rights (but excluding goodwill);  and (iv) security interests in shares of stock
of  subsidiaries or affiliates.  To the extent that  collateral  consists of the
stock of the Borrower's subsidiaries or other affiliates,  the Portfolio will be
subject  to the risk that this  stock  will  decline  in value.  Such a decline,
whether as a result of bankruptcy proceedings or otherwise, could cause the Loan
to be  undercollateralized  or unsecured.  In most credit agreements there is no
formal requirement to pledge additional collateral. In the case of Loans made to
non-public  companies,   the  company's   shareholders  or  owners  may  provide
collateral in the form of secured guarantees and/or security interests in assets
that they own. In addition,  the Portfolio may invest in Loans guaranteed by, or
fully secured by assets of, such  shareholders or owners,  even if the Loans are
not otherwise collateralized by assets of the Borrower;  provided, however, that
such  guarantees  are fully  secured.  There may be  temporary  periods when the
principal asset held by a Borrower is the stock of a related company,  which may
not legally be pledged to secure a Loan. On occasions  when such stock cannot be
pledged,  the Loan will be temporarily  unsecured until the stock can be pledged
or is  exchanged  for or  replaced  by other  assets,  which  will be pledged as
security  for the Loan.  However,  the  Borrower's  ability  to  dispose of such
securities,  other than in connection with such pledge or  replacement,  will be
strictly  limited for the  protection  of the holders of Loans and,  indirectly,
Loan Interests.

   
     If a Borrower  becomes  involved  in  bankruptcy  proceedings,  a court may
invalidate  the  Portfolio's   security  interest  in  the  Loan  collateral  or
subordinate  the  Portfolio's  rights  under  the Loan to the  interests  of the
Borrower's  unsecured  creditors.  Such  action by a court  could be based,  for
example, on a "fraudulent  conveyance" claim to the effect that the Borrower did
not receive fair  consideration  for granting the security  interest in the Loan
collateral  to the  Portfolio.  For  Loans  made  in  connection  with a  highly
leveraged  transaction,  consideration  for granting a security  interest may be
deemed  inadequate  if the proceeds of the Loan were not received or retained by
the Borrower,  but were instead paid to other persons (such as  shareholders  of
the  Borrower)  in an  amount  which  left the  Borrower  insolvent  or  without
sufficient working capital.  There are also other events, such as the failure to
perfect a  security  interest  due to faulty  documentation  or faulty  official
filings,  which  could  lead to the  invalidation  of the  Portfolio's  security
interest  in Loan  collateral.  If the  Portfolio's  security  interest  in Loan
collateral  is  invalidated  or the  Loan is  subordinated  to  other  debt of a
Borrower in bankruptcy or other  proceedings,  it is unlikely that the Portfolio
would be able to recover the full amount of the  principal  and  interest due on
the Loan.

DIVERSIFICATION AND INDUSTRY CONCENTRATION. The Fund and the Portfolio have each
registered  with  the  U.S.  Securities  and  Exchange  Commission  as  a  "non-
diversified"  investment  company.  As a result,  the Fund and the Portfolio are
required to comply only with the diversification requirements of Subchapter M of
the Internal  Revenue Code of 1986, as amended.  See "Taxes" in the Statement of
Additional  Information  for a description  of these  requirements.  Because the
Portfolio  may  invest  a  relatively  high  percentage  of  its  assets  in the
obligations  of a  limited  number  of  issuers,  the  value of the  Portfolio's
investments will be more affected by any single adverse  economic,  political or
regulatory  occurrence  than will the value of the  investments of a diversified
investment  company.  It is the Portfolio's current intention not to invest more
than 10% of its total assets in Loans of any single Borrower.  The Portfolio may
invest  more  than 10%  (but not more  than  25%) of its  total  assets  in Loan
Interests for which the same Intermediate  Participant is interposed between the
Borrower and the  Portfolio.  The Portfolio may acquire Loan  Interests in Loans
made to Borrowers in any industry.  However,  the Portfolio will not concentrate
in any one  industry  with  respect to  Borrowers  in whose Loans the  Portfolio
acquires Loan Interests or interpositioned persons that the Portfolio determines
to be issuers for the purpose of this policy.  See "Investment  Restrictions" in
the Statement of Additional Information.

ILLIQUID INSTRUMENTS. Loan Interests are, at present, not readily marketable and
may be subject to legal and contractual  restrictions  on resale.  Although Loan
Interests  are traded among  certain  financial  institutions,  some of the Loan
Interests acquired by the Portfolio will be considered illiquid. The Portfolio's
ability to dispose of a Loan  Interest  may be reduced to the extent  that there
has been a  perceived  or actual  deterioration  in the  creditworthiness  of an
individual  Borrower or the  creditworthiness  of  Borrowers  in general,  or by
events that reduce the level of confidence in the market for Loan Interests.  As
the market for Loan Interests  becomes more  seasoned,  liquidity is expected to
improve.  However,  the  Portfolio  has  no  limitation  on  the  amount  of its
investments  which can be not readily  marketable or subject to  restrictions on
resale.  Such investments may affect the Portfolio's  ability to realize its net
asset  value in the  event of a  voluntary  or  involuntary  liquidation  of its
assets. To the extent that such investments are illiquid, the Portfolio may have
difficulty  disposing of portfolio  securities in order to make its tender offer
payment  obligations,  if any. The Trustees of the  Portfolio  will consider the
liquidity of the Portfolio's  investments in determining  whether a tender offer
should be effected by the  Portfolio.  Tender offer  decisions of the  Portfolio
directly affect the ability of the Fund to make its tender offers.
    

USE OF LEVERAGE
     The  Portfolio  may from  time to time (i)  borrow  money on a  secured  or
unsecured basis at variable or fixed rates, and (ii) issue  indebtedness such as
commercial paper, bonds, debentures, notes or similar obligations or instruments
and invest the capital raised in additional  portfolio  investments  and/or meet
its obligations  pursuant to tender offers,  if any. BMR currently  expects that
the Portfolio may incur  borrowings and issue such debt in order to remain fully
invested by managing anticipated cash infusions from the prepayment of Loans and
the sale of Fund shares and cash outflows from the  repurchase of Fund shares in
connection with tender offers. For example,  the Portfolio may use borrowed cash
to  purchase  Loan  Interests  and repay such  borrowings  from the  proceeds of
expected sales of Fund shares.  The Portfolio may also borrow and issue debt for
the  purpose  of  acquiring  additional  income-producing  investments  when  it
believes  that the  interest  payments  and other  costs  with  respect  to such
borrowings or indebtedness  will be exceeded by the anticipated  total return (a
combination of income and appreciation) on such  investments.  The amount of any
such  borrowing  or issuance  will  depend  upon  market or economic  conditions
existing at that time.

     However,  as prescribed by the 1940 Act, the Portfolio  will be required to
maintain  specified  asset  coverages  of at least 300% with respect to any bank
borrowing or issuance of indebtedness  immediately  following any such borrowing
or issuance and on an ongoing basis as a condition of declaring  dividends.  The
Portfolio's  inability to make  distributions as a result of these  requirements
could cause the Fund to fail to qualify as a regulated  investment  company and/
or subject the Fund to income or excise taxes.  The Portfolio may be required to
dispose of portfolio  investments on unfavorable terms if market fluctuations or
other factors  reduce the required  asset  coverage to less than the  prescribed
amount.

     Capital raised through leverage will be subject to interest costs which may
or may not exceed the interest earned on the assets purchased. The Portfolio may
also be  required to  maintain  minimum  average  balances  in  connection  with
borrowings  or to pay a  commitment  or other fee to  maintain a line of credit;
either of these requirements will increase the cost of borrowing over the stated
interest  rate.  The issuance of additional  classes of debt  involves  offering
expenses and other costs and may limit the Portfolio's  freedom to pay dividends
or to engage in other  activities.  Borrowings and the issuance of  indebtedness
create an  opportunity  to be more fully  invested and to earn  greater  income.
However,  any such  borrowing or issuance is a speculative  technique in that it
will  increase  the  Portfolio's  exposure  to capital  risk.  Such risks may be
mitigated  through the use of borrowings and issuances of indebtedness that have
floating  rates of  interest.  Unless the income and  appreciation,  if any,  on
assets  acquired with borrowed  funds or offering  proceeds  exceeds the cost of
borrowing or issuing  debt,  the use of leverage  will  diminish the  investment
performance of the Fund compared with what it would have been without leverage.

     The  Portfolio  will not  always  borrow  money or  issue  debt to  finance
additional  investments.  The  Portfolio  may borrow money to finance its tender
offer payment obligations, if any, or for temporary,  extraordinary or emergency
purposes.  The  Portfolio's  willingness  to borrow  money  and  issue  debt for
investment purposes, and the amount it will borrow, will depend on many factors,
the most important of which are the investment  outlook,  market  conditions and
interest  rates.  To the extent that the  Portfolio  invests  borrowed  money in
short-term fixed-rate debt obligations,  successful use of a leveraging strategy
depends  on BMR's  ability  to  correctly  predict  interest  rates  and  market
movements over these short-term periods. There is no assurance that a leveraging
strategy will be successful during any period in which it is employed.

   
     The Portfolio  has  established a $245 million  commercial  paper  program,
pursuant to which it may from time to time sell its unsecured notes ("commercial
paper") with short-term  maturities of up to 270 days from the issuance  thereof
to accredited  investors.  Prior to its  investment in the  Portfolio,  the Fund
maintained the same commercial paper program. During the most recent fiscal year
ended December 31, 1994 (prior to the Fund's  investment in the Portfolio),  the
amount of commercial  paper that the Fund had outstanding  averaged  $10,236,000
and ranged from $0 to $46,288,000.  The amount of commercial paper that the Fund
had outstanding on December 31, 1994 was $20,403,169.  The annual interest rates
on such paper  ranged from 3.25% to 6.10%.  The  Portfolio  may use the proceeds
from the sale of its commercial  paper to finance on a short-term basis the cash
payments made for tender offers and may repay such borrowings from principal and
interest  payments made on the Loans.  The Portfolio  expects to continue to use
commercial  paper  borrowings  to finance such payments in the future as well as
for investment purposes,  and for paying interest or principal in respect of its
obligations.  The  Portfolio's  commercial  paper will be issued  pursuant to an
Issuing and Paying Agency  Agreement  between the Portfolio and Citibank,  N.A.,
and will be entitled to the benefits of a  commercial  paper surety bond made by
Capital Markets  Assurance  Corporation in favor of Citibank,  N.A. as a limited
fiduciary  for the holders of the  commercial  paper.  The Portfolio has entered
into an  Insurance  and  Indemnity  Agreement  with  Capital  Markets  Assurance
Corporation,  pursuant to which the  Portfolio  has agreed that, in the event of
default  under  said  Agreement,   it  will  not  declare   dividends  or  other
distributions  on, or  repurchase  or  otherwise  acquire,  an  interest  of the
Portfolio or pay fees to BMR as compensation  for the provision of managerial or
administrative  services.  In the  event  of  such a  default,  the  Portfolio's
inability  to  declare   dividends  and  distributions  as  a  result  of  these
requirements  could cause the Fund to fail to qualify as a regulated  investment
company  and/or  subject it to income or excise taxes.  Although the Fund has no
current intention to engage in borrowing,  because the Portfolio will borrow the
Fund will be affected thereby.
    

OTHER INVESTMENT POLICIES

     The Portfolio will, during normal market conditions, invest at least 80% of
its total assets in Loan  Interests that conform to the  requirements  described
above.  However,  up to 20% of the Portfolio's total assets may be held in cash,
invested in short-term debt obligations, and invested in interests in Loans that
are unsecured. The Portfolio will invest in only those Unsecured Loans that have
been  determined  by BMR to have a credit  quality at least equal to that of the
collateralized  Loans in which  the  Portfolio  primarily  invests.  Should  the
Borrower  of an  Unsecured  Loan  default  on its  obligation  there  will be no
specific collateral on which the Portfolio can foreclose,  although the Borrower
will  typically  have  assets  believed  by BMR at the time of  purchase  of the
Unsecured  Loans  to  exceed  the  amount  of  the  Loan.  The  short-term  debt
obligations in which the Portfolio may invest  include,  but are not limited to,
interests  in senior  Unsecured  Loans with a remaining  maturity of one year or
less ("Short-Term Loans"), certificates of deposit, commercial paper, short-term
and medium-term notes, bonds with remaining  maturities of less than five years,
obligations   issued  by  the  U.S.   Government  or  any  of  its  agencies  or
instrumentalities  and repurchase  agreements.  The credit quality of Short-Term
Loans must be determined by BMR to be at least equal to that of the  Portfolio's
investments  in Loans.  All of such other debt  instruments  will be  investment
grade  (i.e.,  rated Baa,  P-3 or better by Moody's or BBB, A-3 or better by S&P
or, if unrated, determined by BMR to be of comparable quality). Securities rated
Baa, BBB, P-3 or A-3 are  considered  to have  adequate  capacity for payment of
principal and interest, but are more susceptible to adverse economic conditions.
Securities rated BBB or Baa (or comparable unrated  securities) have speculative
characteristics.  Also,  the  capacity of their  issuers to make  principal  and
interest  payments would be weakened by changes in economic  conditions or other
circumstances  to a greater  extent  than for  issuers  of higher  grade  bonds.
Pending  investment  of the proceeds of Fund sales by the  Portfolio or when BMR
believes that investing for defensive purposes is appropriate,  more than 20% of
the  Portfolio's  total  assets  may  be  temporarily  held  in  cash  or in the
short-term debt obligations described above.

     Although the Portfolio  currently  holds Loan  Interests  only in Loans for
which the Agent and Intermediate Participants, if any, are banks, it may acquire
Loan Interests from non-bank  financial  institutions  and in Loans  originated,
negotiated  and  structured  by non-bank  financial  institutions,  if such Loan
Interests  conform to the credit  requirements  described  above. As these other
types of Loan  Interests  are  developed  and  offered to  investors,  BMR will,
consistent  with the  Portfolio's  investment  objective,  policies  and quality
standards,  and in accordance with applicable  custody and other requirements of
the 1940 Act,  consider  making  investments in such Loan  Interests.  Also, the
Portfolio  has acquired  and may  continue to acquire  warrants and other equity
securities as part of a unit combining  Loan Interests and equity  securities of
the Borrower or its affiliates.  The acquisition of such equity  securities will
only be incidental to the Portfolio's purchase of a Loan Interest. The Portfolio
may also acquire  equity  securities  issued in exchange for a Loan or issued in
connection with the debt  restructuring or reorganization  of a Borrower,  or if
such  acquisition,  in the  judgment of BMR,  may enhance the value of a Loan or
would otherwise be consistent with the Portfolio's investment policies.

     The Portfolio  will limit its  investments  to those which are eligible for
purchase  by  national  banks for  their  own  portfolios.  The  conditions  and
restrictions  governing  the  purchase of Fund shares by national  banks are set
forth in the U.S. Comptroller of the Currency's Banking Circular 220. Subject to
such  conditions  and  restrictions,  national banks may acquire Fund shares for
their own investment portfolio.

   
FOREIGN INVESTMENTS. The Portfolio may also acquire U.S. dollar denominated Loan
Interests in Loans which are made to non-U.S.  Borrowers in developed countries;
provided, however, that any such Borrower meets the credit standards established
by BMR for U.S.  Borrowers,  and no more than 35% of its net assets are invested
in Loan  Interests of such  Borrowers.  Investing in Loan  Interests of non-U.S.
Borrowers  involves  certain  special  considerations,  which are not  typically
associated  with investing in U.S.  Borrowers.  Since foreign  companies are not
subject to uniform  accounting,  auditing  and  financial  reporting  standards,
practices and  requirements  comparable to those  applicable to U.S.  Borrowers,
there may be less publicly  available  information  about a foreign company than
about a domestic  company.  There is generally less  government  supervision and
regulation of financial  markets 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.  As of the date of this Prospectus,  none
of the Portfolio's assets were invested in Loan Interests of non-U.S. Borrowers.
Moreover,  the Portfolio has no current  intention to invest more than 5% of its
net assts in such Loan Interests.
    

INTEREST  RATE  TRANSACTIONS.  In order to attempt  to protect  the value of the
Portfolio's  assets from  interest  rate  fluctuations  and to maintain a dollar
weighted  average period to next interest rate  adjustment of  approximately  90
days or less,  the Portfolio  may enter into interest rate swaps.  The Portfolio
intends  to use  interest  rate  swaps  as a  hedge  and  not  as a  speculative
investment  and will  typically  use interest  rate swaps to shorten the average
time to interest  rate reset of the  Portfolio.  Interest rate swaps involve the
exchange by the Portfolio with another party of their respective  commitments to
pay or receive  interest,  e.g., an exchange of fixed rate payments for floating
rate payments.  The use of interest rate swaps is a highly specialized  activity
which involves  investment  techniques and risks different from those associated
with ordinary portfolio  securities  transactions.  BMR has not been involved in
the use of  interest  rate  swaps  but  has  utilized  other  types  of  hedging
techniques.  If BMR is incorrect in its  forecasts  of market  values,  interest
rates and other applicable factors, the investment performance of the Fund would
be less favorable than what it would have been if this investment  technique was
never used.  The  Portfolio  has not engaged in such  transactions  (nor has the
Fund) and has no current  intention  to invest more than 5% of its net assets in
such transactions.

REPURCHASE  AGREEMENTS.  The Portfolio may enter into repurchase agreements with
respect to its permitted  investments,  but currently intends to do so only with
member  banks of the  Federal  Reserve  System or with  primary  dealers in U.S.
Government  securities.  Under  a  repurchase  agreement  the  Portfolio  buys a
security at one price and  simultaneously  promises  to sell that same  security
back to the seller at a higher price. The Portfolio's repurchase agreements will
provide that the value of the collateral  underlying  the  repurchase  agreement
will always be at least equal to the  repurchase  price,  including  any accrued
interest earned on the repurchase agreement, and will be marked to market daily.
The repurchase date is usually within seven days of the original  purchase date.
Repurchase  agreements  are deemed to be loans under the 1940 Act. In all cases,
BMR  must be  satisfied  with the  creditworthiness  of the  other  party to the
agreement  before  entering  into a  repurchase  agreement.  In the event of the
bankruptcy of the other party to a repurchase  agreement,  the  Portfolio  might
experience  delays in recovering  its cash. To the extent that, in the meantime,
the value of the  securities  the  Portfolio  purchased may have  declined,  the
Portfolio  could  experience a loss.  To date,  the Portfolio has not engaged in
repurchase agreements (nor has the Fund).

   
CERTAIN  INVESTMENT  RESTRICTIONS AND POLICIES.  The Fund and the Portfolio have
adopted  certain  fundamental  investment  restrictions  and policies  which are
enumerated in detail in the Statement of  Additional  Information  and which may
not  be  changed   unless   authorized  by  a  shareholder   or  investor  vote,
respectively.  Among  these  fundamental  restrictions,  the  Portfolio  may not
purchase  any  security  if,  as a result of such  purchase,  25% or more of the
Portfolio's  total  assets  (taken at current  value)  would be  invested in the
securities  of  Borrowers  and other  issuers  having their  principal  business
activities in the same industry (the electric,  gas, water and telephone utility
industries,  commercial banks,  thrift  institutions and finance companies being
treated as separate  industries for the purpose of this  restriction);  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.  Except for the
fundamental  restrictions  and policies  enumerated  in the Fund's  Statement of
Additional  Information,  the investment  objective and policies of the Fund and
the Portfolio are not fundamental policies and accordingly may be changed by the
Trustees of the Fund and the  Portfolio  without  obtaining  the approval of the
Fund's  shareholders  or the investors in the Portfolio,  as the case may be. If
any changes were made,  the Fund might have an  investment  objective  different
from the  objective  which an investor  considered  appropriate  at the time the
investor became a shareholder of the Fund.
    
 
                     YIELD AND PERFORMANCE INFORMATION

   
     The rate of interest  payable on Loans is  established as the sum of a base
lending rate plus a specified spread. These base lending rates are generally the
Prime  Rate of a  designated  U.S.  bank,  the  London  InterBank  Offered  Rate
("LIBOR"),  the  Certificate of Deposit ("CD") rate of a designated U.S. bank or
another base lending rate used by commercial lenders. The Prime Rate is the rate
banks  typically  use as a base for a wide  range of  loans to  individuals  and
midsize  and  small  businesses.  LIBOR  is the  rate  typically  used by  banks
worldwide as a base for loans to large  commercial and industrial  companies.  A
Borrower usually has the right to select the base lending rate and to change the
base lending rate at specified intervals. The interest rate on Prime Rate- based
Loans  floats  daily as the  Prime  Rate  changes,  while the  interest  rate on
LIBOR-based  and  CD-based  Loans  is  periodically  reset  with  reset  periods
typically  ranging  from 30 to 180 days.  At the time of  acquisition  of a Loan
Interest, the Portfolio may also receive an upfront facility fee.
    

     The yield on a Loan Interest held by the Portfolio will primarily depend on
the  terms of the  underlying  Loan  and the base  lending  rate  chosen  by the
Borrower  initially and on subsequent  dates  specified in the  applicable  loan
agreement.  The relationship  between the Prime Rate, the CD rate and LIBOR will
vary as market  conditions  change.  In the past, the  relationship  between the
Prime Rate and the other possible base lending rates was reasonably  stable, and
Loans were structured with  appropriate  spreads over the base rates so that the
income  earned by the  Portfolio  was  approximately  the same no  matter  which
alternative  the  Borrower  selected.  Since  Borrowers  tend to select the base
lending rate which results in the lowest interest cost, the  distribution of the
Portfolio's  investments  among  Prime  Rate,  CD rate and LIBOR  based Loans is
likely to shift in favor of Loans with the base lending rate that  generates the
lowest rate of return to the  Portfolio.  BMR  anticipates  that,  during normal
market  conditions,  the effective yield of the Fund may approximate the average
Prime Rate of leading U.S. banks as published in The Wall Street  Journal.  When
the  traditional  spread  between  the Prime Rate and other base  lending  rates
widens, the Fund will be unable to achieve an effective yield  approximating the
average published Prime Rate of leading U.S. banks. Such has been the case since
February 1991. Currently, the Borrowers with respect to over 90% of the value of
Loans held by the  Portfolio  have  selected  LIBOR as the base lending rate for
such Loans,  which has lowered their  interest cost and reduced the level of the
Fund's  effective  yield for this period to below the Prime Rate.  Although  BMR
believes  the  present  wide  differential  between  the Prime Rate and LIBOR is
unusual,  it has occurred before at low points in the economic cycle.  BMR hopes
that, as the economy continues to improve,  the long-term  relationship  between
the Prime Rate and LIBOR may be restored  and the Fund  should  again be able to
achieve an effective yield approximating the Prime Rate.  However,  there is not
yet evidence that this will occur in 1995 or thereafter.

     From  time to time,  the Fund may quote a current  and/or  effective  yield
based on a  specific  one-month  period.  The  current  yield is  calculated  by
annualizing the most recent monthly  distribution  (i.e.,  multiplying by 365/31
for a 31 day month) and  dividing  the product by the current  maximum  offering
price. The effective yield is calculated by dividing the current yield by 365/31
and adding 1. The  resulting  quotient is then taken to the  365/31st  power and
reduced by 1. The result is the effective yield. Yields will fluctuate from time
to time and are not necessarily representative of future results. Advertisements
and communications to present or prospective  shareholders may also cite a total
return for any period.  Total return will be calculated by  subtracting  the net
asset  value of a single  purchase  of shares at a given date from the net asset
value of those shares (assuming  reinvestment of  distributions) on a subsequent
date.  The  difference  divided  by the  original  net asset  value is the total
return.  The calculation of the Fund's total return and effective yield reflects
the effect of compounding inasmuch as all dividends and disributions are assumed
to be  reinvested  in  additional  shares  of the Fund at net  asset  value.  In
addition,  the  calculation of total return,  current yield and effective  yield
does not reflect the imposition of any Early Withdrawal charges or the amount of
any shareholder income tax liability.  If reflected,  an Early Withdrawal Charge
would reduce the performance  quoted. If the fees or expenses of the Fund or the
Portfolio  are  waived or  reimbursed,  the Fund's  performance  will be higher.
Information about the performance of the Fund or other investments should not be
considered a representation  of future  performance the Fund may earn or what an
investor's yield or total return may be in the future.


                  ORGANIZATION OF THE FUND AND THE PORTFOLIO

     The Fund is organized as a business trust established  under  Massachusetts
law pursuant to a  Declaration  of Trust dated May 2, 1989,  as amended,  and is
registered  under the 1940 Act. The Trustees of the Fund are responsible for the
overall  management and  supervision of its affairs.  The Fund currently has one
class of  shares of  beneficial  interest  which  may be issued in an  unlimited
number by the Trustees. Each share represents an equal proportionate  beneficial
interest in the Fund and, when issued and outstanding, the shares are fully paid
and  nonassessable  by the Fund and may be repurchased  only as described  under
"Tender Offers to Purchase  Shares."  Shareholders  are entitled to one vote for
each full share held. Fractional shares may be voted in proportion to the amount
of the Fund's net asset value which they represent. Shares have no preemptive or
conversion  rights and are freely  transferable.  In the event of liquidation of
the Fund,  shareholders  are entitled to share pro rata in the net assets of the
Fund available for distribution to shareholders.

     The Fund's  Declaration of Trust may not be amended without the affirmative
vote of a majority of the  outstanding  shares of the Fund (or such greater vote
as is  described  below  under  "Anti-Takeover  Provisions"),  except  that  the
Declaration  of Trust may be amended by the  Trustees  to change the name of the
Fund, to make such other changes as do not have a materially  adverse  effect on
the rights or interests of shareholders  and to conform the Declaration of Trust
to applicable  Federal laws or regulations.  The Fund may be terminated (i) upon
the  merger  or  consolidation  with or sale of the  Fund's  assets  to  another
company,  if approved by the holders of two-thirds of the outstanding  shares of
the Fund, except that if the Trustees  recommend such transaction,  the approval
by  vote  of the  holders  of a  majority  of the  outstanding  shares  will  be
sufficient, or (ii) upon liquidation and distribution of the assets of the Fund,
if approved  by the  holders of  two-thirds  of the Fund's  outstanding  shares,
except that if the Trustees recommend such transaction,  the approval by vote of
the holders of a majority of the outstanding  shares will be sufficient.  If not
so terminated, the Fund may continue indefinitely.

ANTI-TAKEOVER   PROVISIONS.   The  Fund  presently  has  certain   anti-takeover
provisions in its  Declaration  of Trust which are intended to limit,  and could
have the effect of limiting, the ability of other entities or persons to acquire
control of the Fund, to cause it to engage in certain  transactions or to modify
its structure.  As indicated  above,  a two-thirds  vote is required for certain
transactions.   The affirmative  vote or consent of the holders of two-thirds of
the shares of the Fund (a greater  vote than that  required by the 1940 Act and,
in  some  cases,   greater  than  the  required  vote   applicable  to  business
corporations  under state law) is required to authorize  the  conversion  of the
Fund from a closed-end  to an open-end  investment  company  (except that if the
Trustees  recommend  such  conversion,  the approval by vote of the holders of a
majority of the outstanding  shares will be sufficient) and the affirmative vote
or  consent  of the  holders  of  three-quarters  of the  shares  of the Fund is
required to authorize any of the following  transactions  (the  "Transactions"):
(i)  merger  or  consolidation  of the Fund with or into any  corporation;  (ii)
issuance of any  securities of the Fund to any person or entity for cash;  (iii)
sale, lease or exchange of all or any substantial part of the assets of the Fund
to any entity or person  (except assets having an aggregate fair market value of
less than $1,000,000 or assets sold in the ordinary course of business); or (iv)
sale,  lease or exchange to the Fund, in exchange for securities of the Fund, of
any assets of any  entity or person  (except  assets  having an  aggregate  fair
market value of less than $1,000,000) if such  corporation,  person or entity is
directly,  or indirectly through affiliates,  the beneficial owner of 5% or more
of the outstanding shares of the Fund. However, such vote or consent will not be
required with respect to the Transactions if the Board of Trustees under certain
conditions  approves the  Transaction.  Further,  the  provisions  of the Fund's
Declaration  of  Trust  relating  to  conversion  of  the  Fund  to an  open-end
investment company,  the Transactions,  the merger or consolidation with or sale
of the Fund's assets,  and the liquidation and distribution of the Fund's assets
may not be amended without the affirmative  vote or consent of two-thirds of the
outstanding shares of the Fund. Reference is made to the Declaration of Trust of
the Fund, on file with the Securities and Exchange Commission, for the full text
of  these  provisions.  See  "Other  Information"  in the  Fund's  Statement  of
Additional Information.

     The foregoing  provisions  will make more  difficult the  conversion of the
Fund to an open-end  investment company and the consummation of the Transactions
without  the  Trustees'  approval,  and  could  have  the  effect  of  depriving
shareholders of an opportunity to sell their shares at a premium over prevailing
market  prices,  in the event that a  secondary  market for the Fund shares does
develop,  by  discouraging  a third party from seeking to obtain  control of the
Fund in a tender offer or similar  transaction.  However,  the Board of Trustees
has considered these anti-takeover  provisions and believes that they are in the
shareholders' best interests and benefit shareholders by providing the advantage
of potentially  requiring  persons seeking control of the Fund to negotiate with
its management regarding the price to be paid.

     SENIOR DEBT  PORTFOLIO (THE  "PORTFOLIO"),  IN WHICH THE ASSETS OF THE FUND
WILL BE  INVESTED,  WAS  ORGANIZED AS A TRUST UNDER THE LAWS OF THE STATE OF NEW
YORK  AND WILL BE  TREATED  AS A  PARTNERSHIP  FOR  FEDERAL  TAX  PURPOSES.  The
Portfolio,  as well as the Fund,  intends to comply with all applicable  Federal
and state  securities  laws. The  Portfolio's  Declaration of Trust, as amended,
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 Fund believe that  neither the Fund nor its  shareholders  will be adversely
affected by reason of the Fund investing in the Portfolio.

   
SPECIAL INFORMATION ON THE FUND/PORTFOLIO  INVESTMENT STRUCTURE.  An investor in
the Fund should be aware that the Fund, unlike other investment  companies which
directly acquire and manage their own portfolios of securities, seeks to achieve
its  investment  objective  by  investing  its  assets  in an  interest  in  the
Portfolio,  which is a separate investment company with an identical  investment
objective.  Therefore,  the  Fund's  interest  in the  securities  owned  by the
Portfolio is indirect (although the Fund may temporarily hold cash). In addition
to selling an interest to the Fund,  the Portfolio  may sell  interests to other
affiliated and non-affiliated  investment companies or institutional  investors.
Such investors will invest in the Portfolio on the same terms and conditions and
will pay a proportionate share of the Portfolio's  expenses.  However, the other
investors  investing in the  Portfolio  are not required to sell their shares at
the  same  public  offering  price  as the  Fund  due  to  variations  in  sales
commissions  and other  operating  expenses.  Therefore,  investors  in the Fund
should be aware that these  differences  may  result in  differences  in returns
experienced  by investors in the different  funds that invest in the  Portfolio.
Such differences in returns are also present in other fund structures, including
funds that have  multiple  classes  of shares.  For  information  regarding  the
investment  objective,  policies and  restrictions,  see "The Fund's  Investment
Objective"  and "How the Fund and the Portfolio  Invest their  Assets."  Further
information  regarding  investment  practices  may be found in the  Statement of
Additional Information.

     The Trustees of the Fund 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  substantial  growth in the  assets of the
Portfolio,  and affords the  potential  for  economies of scale for the Fund, at
least when the assets of the Portfolio  exceed $1 billion.  The  shareholders of
the Fund have  previously  approved the policy of investing the Fund's assets in
an interest in the Portfolio.

     The Fund may withdraw  (completely  redeem) all or any part of its interest
in  the  Portfolio  only  pursuant  to  tender  offers  of  the  Portfolio.  The
Portfolio's  Board of Trustees  presently  intends  each quarter to consider the
making  of such  tender  offers.  However,  there can be no  assurance  that the
Portfolio's  Board of Trustees will, in fact,  decide to undertake the making of
such a  tender  offer.  See  "Tender  Offers  to  Purchase  Shares"  below.  The
investment objective and the nonfundamental  investment policies of the Fund and
the  Portfolio  may be changed  by the  Trustees  of the Fund and the  Portfolio
without  obtaining the approval of the shareholders of the Fund or the investors
in the  Portfolio,  as the  case  may be.  Any  such  change  of the  investment
objective  will be  preceded  by  thirty  days'  advance  written  notice to the
shareholders of the Fund or the investors in the Portfolio,  as the case may be.
If a  shareholder  tenders  shares  because  of a change  in the  nonfundamental
objective  or  policies  of a Fund,  those  shares  may be  subject  to an early
withdrawal  charge,  as described in "Early  Withdrawal."  In the event the Fund
withdraws all of its assets from the Portfolio,  or the Board of Trustees of the
Fund  determines  that the  investment  objective of the  Portfolio is no longer
consistent  with the  investment  objective  of the Fund,  such  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 of its assets from
the  Portfolio.  Of  course,  a  complete  withdrawal  of Fund  assets  could be
accomplished only pursuant to a Portfolio tender offer.
    
     Information  regarding  other  pooled  investment  entities  or funds which
invest in the Portfolio may be obtained by contacting Eaton Vance  Distributors,
Inc. (the "Principal  Underwriter"  or "EVD"),  24 Federal  Street,  Boston,  MA
02110, (617) 482-8260. Smaller funds investing in the Portfolio may be adversely
affected by the actions of larger funds investing in the Portfolio. For example,
if a large fund withdraws a significant amount of assets from the Portfolio, the
remaining  funds may  experience  higher pro rata  operating  expenses,  thereby
producing  lower returns.  Additionally,  the Portfolio may become less diverse,
resulting in increased  portfolio risk, and experience  decreasing  economies of
scale.  However,  this possibility  exists as well for  historically  structured
funds which have large or institutional investors.

   
     Until  recently,  the  Administrator  sponsored  and  advised  historically
structured  funds.  Funds which  invest  their assets in interests in a separate
investment  company are a relatively new  development in the investment  company
industry and, therefore,  the Fund may be subject to additional regulations that
are inapplicable to historically structured funds.
    

     The Declaration of Trust of the Portfolio  provides that the Portfolio will
terminate  120 days  after  the  complete  withdrawal  of the Fund or any  other
investor in the Portfolio,  unless either the remaining investors,  by unanimous
vote at a meeting  of such  investors,  or a  majority  of the  Trustees  of the
Portfolio,  by  written  instrument  consented  to by all  investors,  agree  to
continue the  business of the  Portfolio.  This  provision  is  consistent  with
treatment of the Portfolio as a partnership for Federal income tax purposes. See
"Distributions  and  Taxes" for  further  information.  Whenever  the Fund as an
investor in the  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  Loans and noncash assets (as opposed to a cash  distribution  from
the  Portfolio).  If Loans and noncash  assets are  distributed,  the Fund could
incur  brokerage,  tax or other charges in converting them to cash. In addition,
the  distribution  in  kind  may  result  in a  less  diversified  portfolio  of
investments and will adversely affect the liquidity of the Fund. Notwithstanding
the above, there are other means for meeting  shareholder  redemption  requests,
such as borrowing.
 
     The  Trustees  of the  Fund,  including  a  majority  of the  noninterested
Trustees,  have approved written procedures designed to identify and address any
potential  conflicts of interest  arising from the fact that the Trustees of the
Fund and the Trustees of the Portfolio  are the same.  Such  procedures  require
each Board to take actions to resolve any conflict of interest  between the Fund
and the Portfolio,  and it is possible that the creation of separate  boards may
be considered.  For further information  concerning the Trustees and officers of
the Fund and the Portfolio, see the Statement of Additional Information.
 
                  MANAGEMENT OF THE FUND AND THE PORTFOLIO

     The Portfolio engages BMR, a wholly-owned subsidiary of Eaton Vance, to act
as its investment adviser under an Investment  Advisory Agreement (the "Advisory
Agreement"). Under the general supervision of the Portfolio's Board of Trustees,
BMR  will  carry  out the  investment  and  reinvestment  of the  assets  of the
Portfolio,  will furnish  continuously an investment program with respect to the
Portfolio,  will  determine  which  securities  should  be  purchased,  sold  or
exchanged,  and will  implement  such  determinations.  BMR will  furnish to the
Portfolio  investment advice and office facilities,  equipment and personnel for
servicing the investments of the Portfolio. BMR will compensate all Trustees and
officers of the Portfolio who are members of the BMR organization and who render
investment  services to the  Portfolio,  and will also  compensate all other BMR
personnel who provide  research and  investment  services to the  Portfolio.  In
return for these services,  facilities and payments, the Portfolio has agreed to
pay BMR as compensation under the Advisory Agreement a monthly fee in the amount
of 19/240 of 1% (equivalent to 0.95% annually) of the average daily gross assets
of the Portfolio. Gross assets of the Portfolio shall be calculated by deducting
all liabilities of the Portfolio except the principal amount of any indebtedness
for money  borrowed,  including debt securities  issued by the Portfolio.  While
this  advisory fee is greater than that paid by most other funds,  it is similar
to fees paid by other  closed-end  funds  investing  primarily in Loans and Loan
Interests.

   
     On October 24, 1994, the Trustees of the Portfolio voted to accept a waiver
of BMR's  compensation so that the aggregate advisory fees paid by the Portfolio
under the Advisory Agreement during any fiscal year or portion thereof after the
Fund begins to invest its assets in the  Portfolio  will not exceed on an annual
basis:  (a) 0.95% of  average  daily  gross  assets of the  Portfolio  up to and
including  $1 billion;  (b) 0.90% of average  daily gross assets in excess of $1
billion up to and  including  $2 billion;  and (c) 0.85% of average  daily gross
assets  in excess of $2  billion.  Prior to  February  21,  1995  (when the Fund
transferred  its assets to the  Portfolio  in  exchange  for an  interest in the
Portfolio),  the Fund retained Eaton Vance as its investment  adviser.  The Fund
paid Eaton Vance  advisory fees  equivalent to 0.95% of the Fund's average daily
gross assets for the fiscal year ended December 31, 1994.
    

     Eaton Vance,  its affiliates and  predecessor  companies have been managing
assets of  individuals  and  institutions  since  1924 and  managing  investment
companies  since 1931.  BMR or Eaton Vance  currently  serves as the  investment
adviser to investment companies and various individual and institutional clients
with combined assets under  management of  approximately  $15 billion,  of which
approximately $13 billion is in investment  companies,  including  approximately
$650 million in the Fund. Eaton Vance,  through its subsidiaries and affiliates,
engages in investment management and marketing activities; fiduciary and related
banking services; oil and gas operations; real estate investment, consulting and
management; and development of precious metals properties.

     The Fund has  engaged  Eaton  Vance  to act as its  administrator  under an
Administration   Agreement   (the   "Administration   Agreement").   Under   the
Administration  Agreement,  Eaton Vance is responsible for managing the business
affairs of the Fund, subject to the supervision of the Fund's Board of Trustees.
Eaton  Vance  will  furnish  to the Fund all office  facilities,  equipment  and
personnel for administering the affairs of the Fund. Eaton Vance will compensate
all  Trustees  and  officers  of the Fund who are  members  of the  Eaton  Vance
organization and who render executive and  administrative  services to the Fund,
and will also compensate all other Eaton Vance personnel who perform  management
and administrative  services for the Fund. Eaton Vance's administrative services
include  recordkeeping,  preparation and filing of documents  required to comply
with Federal and state securities laws, supervising the activities of the Fund's
custodian  and transfer  agent,  providing  assistance  in  connection  with the
Trustees' and  shareholders'  meetings,  providing  services in connection  with
contemplated quarterly tender offers and other administrative services necessary
to conduct the Fund's  business.  In return for these  services,  facilities and
payments,  the Fund pays Eaton Vance as  compensation  under the  Administration
Agreement  a  monthly  fee in the  amount  of 1/48 of 1%  (equivalent  to  0.25%
annually) of the average daily gross assets of the Portfolio attributable to the
Fund. In calculating  the gross assets of the Portfolio,  all liabilities of the
Portfolio shall be deducted except the principal  amount of any indebtedness for
money  borrowed,  including debt  securities  issued by the  Portfolio.  For the
fiscal year ended December 31, 1994, the amount of  administration  fees paid by
the Fund to Eaton Vance was equal to 0.25%  annually of the Fund's average daily
gross assets.

     As indicated  under "How to Buy Fund Shares",  the payments of compensation
to  Authorized  Firms (as  defined  below) at the time Fund  shares are sold and
quarterly  thereafter on outstanding Fund shares will be made from the assets of
BMR,  Eaton Vance and EVD, which may include  amounts  received by BMR under its
Advisory  Agreement with the Portfolio,  by Eaton Vance under its Administration
Agreement with the Fund and by EVD as early withdrawal charges on the repurchase
of shares held for less than four years.

     The Portfolio  and the Fund,  as the case may be, will each be  responsible
for all of its respective  costs and expenses not expressly stated to be payable
by BMR under the  Advisory  Agreement,  by Eaton Vance under the  Administration
Agreement or by EVD under its Distribution  Agreement.  See "Investment Advisory
and Other Services" in the Statement of Additional Information.

     Jeffrey S. Garner,  Vice  President  of Eaton Vance since  January 1988 and
Vice  President  of the  Portfolio  and the Fund since their  inception,  is the
Portfolio Manager of the Portfolio.

                             VALUING FUND SHARES

   
     THE FUND  VALUES  ITS SHARES  ONCE ON EACH DAY THE NEW YORK STOCK  EXCHANGE
(THE "EXCHANGE") IS OPEN FOR TRADING,  as of the close of regular trading on the
Exchange  (normally  4:00 p.m.  New York  time).  The Fund's net asset value per
share is detemined by IBT Fund Services (Canada) Inc., a subsidiary of Investors
Bank & Trust Company  ("IBT"),  the Fund's and the  Portfolio's  custodian,  (as
agent for the Fund) in the manner  authorized  by the Trustees of the Fund.  The
Fund will be closed for business and will not price its shares on the  following
business holidays:  New Year's Day, President's Day, Good Friday,  Memorial Day,
Independence Day, Labor Day, Thanksgiving Day and Christmas Day. Net asset value
is  computed  by  dividing  the  value  of the  Fund's  total  assets,  less its
liabilities  by the number of shares  outstanding.  Because the Fund invests its
assets in an interest in the Portfolio,  the Fund's net asset value will reflect
the  value of its  interest  in the  Portfolio  (which,  in turn,  reflects  the
underlying value of the Portfolio's assets and liabilities).
    

     The  Portfolio's  net  asset  value is also  determined  as of the close of
regular trading on the Exchange by IBT Fund Services (Canada) Inc. (as agent for
the  Portfolio).  The Portfolio's net asset value is computed by determining the
value of the  Portfolio's  total assets (the loans and  securities it holds plus
any cash or other assets,  including interest accrued but not yet received), and
subtracting  all of  the  Portfolio's  liabilities  (including  the  outstanding
principal  amount of any indebtedness  issued and any unpaid interest  thereon).
For  further  information  regarding  the  valuation  of  each  interest  in the
Portfolio, see "Determination of Net Asset Value" in the Statement of Additional
Information.

   
     Because Loan  Interests are not actively  traded in a public  market,  BMR,
following  procedures  established by the Portfolio's  Trustees,  will value the
Loan Interests held by the Portfolio at fair value.  In valuing a Loan Interest,
BMR will consider relevant factors,  data, and information,  including:  (i) the
characteristics  of  and  fundamental  analytical  data  relating  to  the  Loan
Interest,  including the cost, size,  current  interest rate,  period until next
interest rate reset,  maturity and base lending rate of the Loan  Interest,  the
terms and conditions of the Loan and any related agreements, and the position of
the Loan in the Borrower's debt structure;  (ii) the nature,  adequacy and value
of the collateral, including the Portfolio's rights, remedies and interests with
respect to the collateral;  (iii) the creditworthiness of the Borrower, based on
an evaluation of its financial  condition,  financial statements and information
about  the  Borrower's  business,  cash  flows,  capital  structure  and  future
prospects;  (iv)  information  relating  to the  market  for the Loan  Interest,
including price quotations (if considered  reliable) for and trading in the Loan
Interest and interests in similar Loans and the market  environment and investor
attitudes  towards the Loan  Interest and  interests in similar  Loans;  (v) the
reputation   and  financial   condition  of  the  Agent  and  any   Intermediate
Participants  in the Loan;  and (vi)  general  economic  and  market  conditions
affecting the fair value of the Loan Interest.
    

     Other Portfolio holdings (other than short term obligations,  but including
listed  issues)  may be valued on the basis of prices  furnished  by one or more
pricing services which determine prices for normal,  institutional-size  trading
units of such securities using market  information,  transactions for comparable
securities  and various  relationships  between  securities  which are generally
recognized  by  institutional  traders.  In  certain  circumstances,   portfolio
securities  will be valued at the last sale  price on the  exchange  that is the
primary market for such securities,  or the average of the last quoted bid price
and asked price for those  securities for which the  over-the-counter  market is
the primary market or for listed  securities in which there were no sales during
the day. The value of interest rate swaps will be determined in accordance  with
a  discounted  present  value  formula and then  confirmed  by  obtaining a bank
quotation.
 
     Short-term  obligations  which  mature  in 60 days or less  are  valued  at
amortized  cost,  if  their  original  term to  maturity  when  acquired  by the
Portfolio was 60 days or less, or are valued at amortized cost using their value
on the 61st day prior to  maturity,  if their  original  term to  maturity  when
acquired  by the  Portfolio  was more than 60 days,  unless in each case this is
determined not to represent fair value.  Repurchase agreements will be valued by
the Portfolio at cost plus accrued interest. Securities for which there exist no
price  quotations or valuations and all other assets are valued at fair value as
determined in good faith by or on behalf of the Trustees of the Portfolio.

                            HOW TO BUY FUND SHARES

     The Fund is engaged in a  continuous  public  offering of its shares at net
asset value without an initial sales charge.  The Fund does not currently intend
to  list  its  shares  on  any  national  securities  exchange.   The  Principal
Underwriter,  Eaton Vance  Distributors,  Inc., 24 Federal  Street,  Boston,  MA
02110, will make payments from its own assets to certain financial service firms
who have sales agreements with the Principal  Underwriter  ("Authorized Firms").
In addition,  an early withdrawal charge,  which is paid to EVD, will be imposed
on most shares held for less than four years which are accepted  for  repurchase
pursuant to a tender offer, as set forth under "Early Withdrawal."

     From  time to time the Fund may  suspend  the  continuous  offering  of its
shares.   During  any  such   suspension,   shareholders   who  reinvest   their
distributions   in  additional   shares  will  be  permitted  to  continue  such
reinvestments,  and the Fund may permit tax sheltered retirement plans which own
shares to purchase additional shares of the Fund.

HOW TO BUY SHARES FOR CASH
     Investors may purchase shares of the Fund through  Authorized  Firms at the
net  asset  value  per  share  of the  Fund  next  determined  after an order is
effective,  which,  as  of  February  10,  1995  was  $10.04.  Pursuant  to  its
Distribution  Agreement  with EVD, the Fund has authorized EVD to distribute its
shares on a "best efforts" basis through  Authorized Firms. EVD will furnish the
names of Authorized Firms to an investor upon request.

     EVD  compensates  the  Authorized  Firms at the rate of 3.0% of the  dollar
amount of the shares being purchased.

     If the  shares  remain  outstanding  for at least one year from the date of
their original  purchase,  EVD will compensate the Authorized Firms at an annual
rate,  paid  quarterly,  equal to .10% for the second  year,  .15% for the third
year,  .20% for the fourth year,  .25% for the fifth year and .30% for the sixth
year and subsequent  years,  of the value of Fund shares sold by such Authorized
Firms and remaining  outstanding.  Compensation  paid to Authorized Firms at the
time of purchase and the quarterly  payments mentioned above do not represent an
additional  expense to shareholders since such payments will be made from BMR's,
EVD's and Eaton Vance's own assets, which may include amounts received by EVD as
early withdrawal  charges,  amounts received by BMR under its Advisory Agreement
with the Portfolio and amounts received by Eaton Vance under its  Administration
Agreement  with the Fund. As at the fiscal year ended December 31, 1994, EVD had
made  compensation  payments  to  Authorized  Firms in the  aggregate  amount of
approximately  $57,245,400  since  inception of the Fund.  (Prior to the date of
this   Prospectus,   the  rate  of  compensation   was  different.)  See  "Early
Withdrawal."  The compensation  paid to Authorized Firms and EVD,  including the
compensation  paid at the time of purchase,  the  quarterly  payments  mentioned
above,  any additional  incentives  mentioned  below,  and the early  withdrawal
charge, if any, will not in the aggregate exceed the applicable limit (currently
8%), unless the approval of the National Association of Securities Dealers, Inc.
("NASD") has been received.

     The Principal  Underwriter may also, from time to time, at its own expense,
provide  additional cash incentives to Authorized Firms which employ  registered
representatives  who sell a minimum  dollar  amount of the Fund's  shares and/or
shares  of other  funds  distributed  by the  Principal  Underwriter.  Upon NASD
approval,   the  Principal   Underwriter  may  provide  non-cash  incentives  to
Authorized Firms.

     An initial  investment  in the Fund must be at least $5,000  ($2,000 in the
case of Individual Retirement  Accounts).  Once an account has been established,
the investor  may send  investments  of $50 or more at any time  directly to the
Fund's Transfer Agent as follows:  The Shareholder Services Group, Inc., BOS725,
P.O. Box 1559, Boston, MA 02104. See "Eaton Vance Shareholder Services".

     The Fund may suspend the  offering of shares at any time and may refuse any
order for the purchase of shares.

     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 at the then  current  net asset  value.  The  minimum  value of
securities  or securities  and cash  accepted for deposit is $5,000.  Securities
accepted  will be sold by IBT as agent for the account of their owner on the day
of their receipt by IBT 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 applicable net asset value per
Fund  share  on the day  such  proceeds  are  received.  Eaton  Vance  will  use
reasonable  efforts to obtain the 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  EVD or an
Authorized  Firm,  together with a completed and signed Letter of Transmittal in
approved form (available from EVD or Authorized Firms), as follows:

  IN THE CASE OF BOOK ENTRY:
      
      Deliver through Depository Trust Co.
      Broker #2212
      Investors Bank & Trust Company
      For A/C Eaton Vance Prime Rate Reserves

  IN THE CASE OF PHYSICAL DELIVERY:

      Investors Bank & Trust Company
      Attention: Eaton Vance Prime Rate Reserves
      Physical Securities Processing Settlement Area
      89 South Street
      Boston, MA 02111

     Investors who are contemplating an exchange of securities for shares of the
Fund, or their  representatives,  must contact Eaton Vance to determine  whether
the securities are acceptable  before  forwarding  such securities to IBT. Eaton
Vance  reserves the right to reject any  securities.  Exchanging  securities for
Fund 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 for Fund shares.

     USE OF PROCEEDS.  As of the date of this Prospectus,  the net proceeds from
the  sale  of  the  Fund's  shares  currently   outstanding  were  approximately
$634,043,941,  substantially all of which is now invested in the Portfolio.  The
Portfolio  invests its assets in Loan Interests.  Prior to its investment in the
Portfolio, sales of Fund shares were suspended between November 1, 1989 and July
30,  1990 and  between  October  19, 1990 to March 18, 1991 to allow the Fund to
more fully invest its assets in Loan  Interests.  The Fund may suspend  sales of
its shares in the  future to allow the  Portfolio  to more fully  invest in Loan
Interests.  Proceeds from the continuous offering of Fund shares will be used to
increase the Fund's  interest in the  Portfolio.  The investment in interests in
Loans and  Unsecured  Loans of any  additional  net proceeds  that the Portfolio
receives  from the Fund may take one to three  months,  up to a  maximum  of six
months,  from  the date the  Portfolio  receives  such  proceeds.  Pending  such
investment,  the proceeds will be held in cash or invested in  investment  grade
short-term debt obligations.

                       TENDER OFFERS TO PURCHASE SHARES

     It is  presently  contemplated  by the Board of Trustees,  recognizing  the
likelihood  that a secondary  market for the Fund's shares will not exist,  that
the Fund may take actions which will provide liquidity to shareholders. The Fund
may from time to time make tender  offers at net asset value for the purchase of
all or a portion of its shares.  The price will be  established  at the close of
business on the last day the tender offer is open. The Fund's Trustees presently
intend each quarter to consider the making of such tender offers. However, there
are no assurances  that the Fund's Board of Trustees  will,  in fact,  decide to
undertake the making of such a tender offer. The Fund's assets consist primarily
of its interest in the Portfolio.  Therefore, in order to finance the repurchase
of Fund shares  pursuant to such tender offers,  the Fund will find it necessary
to  liquidate  all or a  portion  of its  interest  in  the  Portfolio.  Because
interests  in the  Portfolio  may not be  transferred,  the Fund may  withdraw a
portion of its interest  only pursuant to tender  offers of the  Portfolio.  The
Fund  will not  conduct a tender  offer for Fund  shares  unless  the  Portfolio
simultaneously conducts a tender offer for Portfolio interests.  The Portfolio's
Trustees  presently  intend each  quarter to consider  the making of such tender
offers.  However, there are no assurances that the Portfolio's Board of Trustees
will, in fact,  decide to undertake the making of such a tender offer.  The Fund
cannot make a tender offer larger than the Portfolio's.  The Portfolio will make
tender offers, if any, to all of its investors,  including the Fund, on the same
terms, which practice may affect the size of the Portfolio's offers.  Subject to
the Portfolio's investment restriction with respect to borrowings, the Portfolio
may borrow money or issue debt obligations to finance its repurchase obligations
pursuant to any such tender offers.

     The Fund expects that there will ordinarily be no secondary  market for the
Fund's  shares  and that  periodic  tender  offers  will be the only  source  of
liquidity  for  Fund  shareholders.   Moreover,  the  Principal  Underwriter  is
prohibited  under  applicable  law from making a market in Fund shares while the
Fund is making either a public offering of or a tender offer to purchase shares.
Similarly,  the Principal  Underwriter  prohibits dealers that have signed sales
agreements   to  sell  Fund  shares  from  making  a  market  in  such   shares.
Nevertheless,  if a secondary market develops for shares of the Fund, the market
price of the shares may vary from net asset value from time to time.  The market
price may be affected by,  among other  factors,  relative  demand and supply of
shares and the  performance  of the Fund,  especially as it affects the yield on
and  investment  performance  of the  shares  of the  Fund.  Should  there  be a
secondary  market for Fund shares,  it is expected  that shares of the Fund will
not trade at a  premium  because  the Fund  intends  to  engage in a  continuous
offering of its shares at net asset value. A tender offer for shares of the Fund
at net asset value, as contemplated  and described  above, is expected to reduce
any spread between net asset value and market price that may otherwise  develop.
However,  there are no assurances  that tender offers would result in the Fund's
shares  trading  at a price  which is equal to or  approximates  their net asset
value.
 
     Although  the  Trustees  believe  that  tender  offers  generally  would be
beneficial to the Fund's  shareholders,  the  acquisition  of shares by the Fund
will  decrease  the total  assets of the Fund and  therefore  have the  possible
effect of increasing  the Fund's expense  ratio.  Furthermore,  if the Portfolio
borrows to finance the making of tender  offers for the  Portfolio's  interests,
interest on such borrowing will reduce the Fund's net investment income.
 
     There are  circumstances  under  which the  purchase  of shares in a tender
offer,  even if  approved  by the  Board  and made to  shareholders,  may not be
effected by the Fund. These circumstances would arise if, in the judgment of the
Trustees,  (i) the Fund would not be able to liquidate the requisite  portion of
its  interest in the  Portfolio  and/or such  liquidation  would have an adverse
effect on the net asset value of the Fund to the detriment of the non- tendering
Fund  shareholders;  (ii) the Fund's  income would be taxed at the Fund level in
addition to the taxation of shareholders who receive dividends and distributions
from the Fund (see  "Distributions  and  Taxes")  as a result of the Fund  being
deemed a taxable  entity  occasioned by the impairment of the Fund's status as a
regulated  investment  company  under  the  Internal  Revenue  Code of 1986,  as
amended;  or (iii)  there  exists (a) a  limitation  imposed by Federal or state
authorities  on the extension of credit by lenders  which affects the Fund,  the
Borrowers  of  Loans  in  which  the  Portfolio  holds  Loan  Interests  or  the
Intermediate Participants, (b) a banking moratorium declared by Federal or state
authorities or any  suspension of payments by banks in the United States,  (c) a
legal action or proceeding  instituted or threatened which materially  adversely
affects the Fund,  (d) a legal action or  proceeding  instituted  or  threatened
which challenges such purchase, (e) an international or national calamity,  such
as  commencement  of war or armed  hostilities,  which  directly  or  indirectly
involves the United States, or (f) an event or condition not listed herein which
would materially adversely affect the Fund if the tendered shares are purchased.

     The  Fund has  obtained  an  exemption  from the  Securities  and  Exchange
Commission relating to tender offers which includes  representations by the Fund
that no secondary market for Fund shares is expected to exist. This exemption is
conditioned  on  the  absence  of  a  secondary   market.   In  the  event  that
circumstances  arise  under  which the Fund  does not  conduct  periodic  tender
offers,  the Board would consider  alternative means of providing  liquidity for
shareholders.  Such action would include an  evaluation of any secondary  market
that then  existed  and a  determination  as to  whether  such  market  provided
liquidity for  shareholders.  If the Board determines that such market,  if any,
fails to provide liquidity for Fund shareholders, the Board expects that it will
consider all then available  alternatives to provide such  liquidity.  Among the
alternatives  which the Board would consider is the listing of the Fund's shares
on a major domestic stock  exchange or on the NASDAQ  National  Market System in
order to provide such liquidity. The Board may also consider causing the Fund to
repurchase its shares from time to time in  open-market or private  transactions
when it can do so on terms that represent a favorable investment opportunity. In
any event,  the Board expects it will cause the Fund to take whatever  action it
deems  necessary or appropriate to provide  liquidity for Fund  shareholders  in
light of the facts and circumstances existing at such time.

     If the Portfolio must liquidate  portfolio  securities in order to meet its
tender obligations, the Portfolio, and therefore the Fund, may realize gains and
losses.  Such  gains may be  realized  on  securities  held for less than  three
months.  Because less than 30% of the Fund's annual gross income must be derived
from the sale or disposition of securities held less than three months (in order
to retain the Fund's tax status as a regulated investment  company),  such gains
could reduce the ability of the Portfolio to sell other securities held for less
than three months that the Portfolio may wish to sell in the ordinary  course of
its portfolio management, which may adversely affect the Portfolio's yield.

     Each tender offer will be made and shareholders notified in accordance with
the  requirements  of the Securities  Exchange Act of 1934, as amended,  and the
1940 Act, either by publication or mailing or both. Each offering  document will
contain  such  information  as is  prescribed  by such  laws and the  rules  and
regulations  promulgated  thereunder.  The repurchase of tendered  shares by the
Fund is a taxable event.  See  "Distributions  and Taxes." The Fund will pay all
costs and expenses  associated  with the making of any such tender offers by the
Fund.  An Early  Withdrawal  Charge will be imposed on most shares  accepted for
tender which have been held for less than four years. See "Early Withdrawal".

                               EARLY WITHDRAWAL

     An Early Withdrawal Charge to recover distribution expenses will be charged
in connection  with most shares held for less than four years which are accepted
by the Fund for  repurchase  pursuant  to tender  offers.  The Early  Withdrawal
Charge will be imposed on those  shares  accepted for tender the amount of which
exceeds the aggregate value at the time the tender is accepted of (a) all shares
in the account purchased more than four years prior to such acceptance,  (b) all
shares in the account acquired through  reinvestment of  distributions,  and (c)
the increase,  if any, of value of all other shares in the account (namely those
purchased  within the four years  preceding  the  acceptance)  over the purchase
price of such  shares.  The  Early  Withdrawal  Charge  will be paid to EVD.  In
determining  whether an Early Withdrawal  Charge is payable,  it is assumed that
the acceptance of a repurchase offer would be made from the earliest purchase of
shares. Any Early Withdrawal Charge which is required to be imposed will be made
in accordance with the following schedule:

             YEAR OF REPURCHASE
              AFTER PURCHASE             EARLY WITHDRAWAL CHARGE
             --------------              -----------------------
              First ...................          3.00%
              Second ..................          2.50%
              Third ...................          2.00%
              Fourth ..................          1.00%
              Fifth and following .....             0%

     No Early Withdrawal  Charge will be imposed on shares purchased on or after
January 27, 1995 and tendered  following the death of all  beneficial  owners of
such shares,  provided the  redemption is requested  within one year of death (a
death certificate and other applicable  documents may be required).  At the time
of  acceptance  of the tender offer,  the  shareholder  must notify the Transfer
Agent either directly or through EVD that the Early Withdrawal  Charge should be
waived. Such waiver, subject to confirmation of the investor's entitlement, will
then be granted; otherwise, the waiver will be lost.

     EXCHANGES:  The Fund may  make  available  to  tendering  shareholders  the
privilege  of  exchanging  Fund  shares at net asset value for shares of certain
open-end  investment  companies  managed  by  Eaton  Vance or BMR  which  have a
contingent  deferred  sales  charge  identical  to that of the Early  Withdrawal
Charge imposed on tendering Fund shareholders. The funds currently available for
such exchange  privilege are: EV Marathon  Short-Term  Strategic Income Fund and
Class I shares of any EV  Marathon  Limited  Maturity  Tax Free  Fund.  No Early
Withdrawal  Charge will be imposed on  shareholders  choosing to exchange  their
Fund shares for shares of any such fund;  however,  the  exchanging  shareholder
will be subject to the  applicable  contingent  deferred sales charge imposed by
such fund. For the purpose of calculating  the  applicable  contingent  deferred
sales  charge,  the  purchase  of  shares  of such  fund  will be deemed to have
occurred at the time of the purchase of the Fund shares.  Any such exchange will
be made on the basis of the  relative  net asset value per share of each fund at
the time of exchange,  provided that such exchange  offers are available only in
states where shares of the fund acquired may legally be sold.

     The  prospectus  for each fund  describes  its  investment  objectives  and
policies,  and  shareholders  should  obtain a  prospectus  and  consider  these
objectives and policies  carefully before requesting an exchange.  Each exchange
must  involve  shares  which  have a net  asset  value of at least  $1,000.  The
exchange privilege may be changed or discontinued without penalty.  Shareholders
will be given  sixty (60) days'  notice  prior to any  termination  or  material
amendment of the exchange privilege. An exchange may result in a taxable gain or
loss.

     Shares of certain other funds advised or administered by Eaton Vance may be
exchanged  for shares of the Fund at net asset  value per share,  but subject to
any restrictions or  qualifications  set forth in the current  prospectus of any
such fund.

     THE FOLLOWING EXAMPLE WILL ILLUSTRATE THE OPERATION OF THE EARLY WITHDRAWAL
CHARGE.  ASSUME THAT AN INVESTOR PURCHASES $10,000 OF THE FUND'S SHARES FOR CASH
THROUGH AN AUTHORIZED FIRM AND THAT 21 MONTHS LATER THE VALUE OF THE ACCOUNT HAS
GROWN THROUGH THE REINVESTMENT OF DIVIDENDS AND CAPITAL APPRECIATION TO $12,000.
THE  INVESTOR  THEN MAY SUBMIT FOR  REPURCHASE  PURSUANT TO A TENDER OFFER UP TO
$2,000 OF SHARES WITHOUT  INCURRING AN EARLY WITHDRAWAL  CHARGE. IF THE INVESTOR
SHOULD  SUBMIT FOR  REPURCHASE  PURSUANT TO A TENDER OFFER $5,000 OF SHARES,  AN
EARLY WITHDRAWAL CHARGE WOULD BE IMPOSED ON $3,000 OF THE SHARES SUBMITTED.  THE
CHARGE  WOULD BE  IMPOSED AT THE RATE OF 2.5%  BECAUSE IT IS IN THE SECOND  YEAR
AFTER THE PURCHASE WAS MADE AND THE CHARGE WOULD BE $75.

     During the Fund's  fiscal  year  ended  December  31,  1994,  EVD  received
$423,222 in Early Withdrawal Charges.

                           REPORTS TO SHAREHOLDERS

     The Fund will send audited  semi-annual and annual reports to shareholders,
including a list of the investments held by the Portfolio.

             THE LIFETIME INVESTING ACCOUNT/DISTRIBUTION OPTIONS

     AFTER AN  INVESTOR  MAKES AN INITIAL  PURCHASE OF FUND  SHARES,  THE FUND'S
TRANSFER  AGENT,  THE SHAREHOLDER  SERVICES GROUP,  INC., WILL SET UP A LIFETIME
INVESTING  ACCOUNT FOR THE  INVESTOR ON THE FUND'S  RECORDS.  This  account is a
complete record of all  transactions  between the investor and the Fund which at
all  times  shows  the  balance  of  shares  owned.  Shares  are  held  in  non-
certificated  form  by  the  Fund's  Transfer  Agent  for  the  account  of  the
shareholder. The Fund will not issue share certificates except upon request.

     At least quarterly,  shareholders will receive a statement showing complete
details of the  transaction  and the current share  balance in the account.  THE
LIFETIME  INVESTING  ACCOUNT  ALSO  PERMITS  A  SHAREHOLDER  TO MAKE  ADDITIONAL
INVESTMENTS  IN  SHARES BY  SENDING  A CHECK FOR $50 OR MORE TO The  Shareholder
Services Group, Inc.

     Any questions concerning a shareholder's  account or services available may
be directed by telephone to EATON VANCE  SHAREHOLDER  SERVICES at  800-225-6265,
extension 2 or in writing to The Shareholder  Services Group, Inc., BOS725, P.O.
Box 1559, Boston, MA 02104 (please provide the name of the shareholder, the Fund
and the account number).

     THE  FOLLOWING  DISTRIBUTION  OPTIONS  WILL BE  AVAILABLE  TO ALL  LIFETIME
INVESTING  ACCOUNTS and may be changed as often as desired by written  notice to
the Fund's dividend  disbursing  agent,  The Shareholder  Services Group,  Inc.,
BOS725,  P.O. Box 1559,  Boston,  MA 02104. The currently  effective option will
appear on each account statement.
 
     SHARE  OPTION  --  Dividends  and  capital  gains  will  be  reinvested  in
                        additional shares.
 
     INCOME  OPTION -- Dividends  will be paid in cash and capital gains will be
                       reinvested in additional shares.

     CASH OPTION -- Dividends and capital gains will be paid in cash.

     The  SHARE  OPTION  will be  assigned  if no  other  option  is  specified.
Distributions,  including those  reinvested,  will be reduced by any withholding
required under Federal income tax laws.

     If the INCOME OPTION or CASH OPTION has been selected,  all dividend and/or
capital gains distribution checks which are returned by the United States Postal
Service as not  deliverable or which remain uncashed for six months or more will
be  reinvested  in the account in shares at the then  current  net asset  value.
Furthermore,  the  distribution  option  on the  account  will be  automatically
changed  to the  SHARE  OPTION  until  such  time as the  shareholder  selects a
different option.

     DISTRIBUTION INVESTMENT OPTION. In addition to the distribution options set
forth above, dividends and/or capital gains may be invested in additional shares
of another Eaton Vance fund. Before selecting this option, a shareholder  should
obtain a prospectus  of the other Eaton Vance fund and  consider its  objectives
and policies carefully.

                       EATON VANCE SHAREHOLDER SERVICES

     THE FUND OFFERS THE  FOLLOWING  SERVICES  WHICH ARE  VOLUNTARY,  INVOLVE NO
EXTRA CHARGE,  AND MAY BE CHANGED OR  DISCONTINUED  WITHOUT PENALTY AT ANY TIME.
Full  information on each of the services  described  below and an  application,
where  required,   are  available  from   Authorized   Firms  or  the  Principal
Underwriter.  The  cost  of  administering  such  services  for the  benefit  of
shareholders  who  participate in them is borne by the Fund as an expense to all
shareholders.

     INVEST-BY-MAIL -- FOR PERIODIC SHARE ACCUMULATION.  Once the $5,000 minimum
investment has been made, checks of $50 or more payable to the order of the Fund
may be mailed directly to The Shareholder Services Group, Inc., BOS725, P.O. Box
1559,  Boston,  MA  02104  at any  time  --  whether  or not  distributions  are
reinvested. The name of the shareholder,  the Fund and the account number should
accompany each investment.
 
     BANK DRAFT  INVESTING -- FOR REGULAR  SHARE  ACCUMULATION.  Once the $5,000
minimum  investment has been made,  cash  investments of $50 or more may be made
through the shareholder's checking account via bank draft each month or quarter.
 
     REINVESTMENT  PRIVILEGE -- A shareholder  whose shares have been  purchased
pursuant to a tender offer may  reinvest,  with credit for any Early  Withdrawal
Charge paid on the value of the repurchased shares, any portion or all of his or
her tender proceeds (plus that amount necessary to acquire a fractional share to
round  off the  purchase  to the  nearest  full  share)  in  shares of the Fund,
provided that the reinvestment is effected within 30 days after such repurchase.
For purposes of determining  any Early  Withdrawal  Charge upon  acceptance of a
subsequent  tender offer,  the  shareholder's  prior period of ownership will be
included in this  calculation.  Shares are sold to a reinvesting  shareholder at
the net asset  value  next  determined  following  timely  receipt  of a written
purchase  order by the  Principal  Underwriter  or by the Fund (or by the Fund's
Transfer Agent).  The amount of any Early Withdrawal Charge related to the prior
purchase will be credited to the  shareholder's  account and also  reinvested at
the then current net asset value. A reinvesting  shareholder  may realize a gain
or loss for  Federal  tax  purposes as a result of such prior sale in the tender
offer, but to the extent that the shareholder  realizes a loss upon a repurchase
of shares by the Fund and the proceeds are  reinvested in shares of the Fund (or
other  shares of the Fund are  purchased  through  reinvestment  of dividends or
otherwise)  within the period  beginning 30 days before and ending 30 days after
the date of the  repurchase by the Fund,  some or all of the loss generally will
be disallowed  under the "wash sale" rules of Federal income tax law,  depending
upon the relationship between the number of shares repurchased and the number of
shares sold by the Fund.

     TAX-SHELTERED  RETIREMENT  PLANS --  Shares of the Fund are  available  for
purchase in connection with the following tax-sheltered retirement plans:

     --PENSION  AND  PROFIT   SHARING  PLANS  for   self-employed   individuals,
       corporations and non-profit organizations;

     --INDIVIDUAL  RETIREMENT  ACCOUNT  PLANS for  individuals  and  their  non-
       employed spouses; and

     --403(B)   RETIREMENT   PLANS  for  employees  of  public  school  systems,
       hospitals,  colleges and other  non-profit  organizations meeting certain
       requirements of the Internal Revenue Code.

     Detailed  information  concerning  these  plans 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. Under each
tax-sheltered   retirement  plan,  all   distributions   will  be  automatically
reinvested in additional shares.

                           DISTRIBUTIONS AND TAXES

DISTRIBUTIONS
     Distributions will be declared daily and paid monthly. Realized net capital
gains (the Fund's realized net capital gains  generally  consist of the realized
net capital gains from the sale of portfolio assets allocated to the Fund by the
Portfolio), if any, will be distributed at least annually.  Substantially all of
the investment income allocated to the Fund by the Portfolio, less its expenses,
will be declared daily as a distribution  to  shareholders of record at the time
of  declaration.  Daily  distribution  crediting  will commence on the day after
collected  funds for the  purchase of Fund shares are  available at the Transfer
Agent,  even if orders to purchase shares had been placed with Authorized Firms.
Such distributions, whether received in cash or reinvested in additional shares,
will  ordinarily be paid at the end of each month.  Realized  capital gains,  if
any, will usually be  distributed  in December  after offset by any capital loss
carryovers.

TAXES
     In order to qualify as a regulated  investment  company  under the Internal
Revenue Code of 1986,  as amended (the  "Code"),  the Fund must satisfy  certain
requirements  relating  to the sources of its income,  the  distribution  of its
income, and the diversification of its assets. In satisfying these requirements,
the Fund will  treat  itself as owning  its  proportionate  share of each of the
Portfolio's  assets  and as  entitled  to the income of the  Portfolio  properly
attributable to such share.

     As a regulated  investment  company  under the Code,  the Fund does not pay
Federal income or excise taxes to the extent that it distributes to shareholders
its net investment  income and net realized capital gains in accordance with the
timing  requirements  imposed by the Code. As a partnership  under the Code, the
Portfolio  also does not pay  Federal  income or excise  taxes.  Further,  under
current law, provided that the Fund qualifies as a regulated  investment company
for Federal tax  purposes  and the  Portfolio  is treated as a  partnership  for
Massachusetts  and Federal tax  purposes,  neither the Fund nor the Portfolio is
liable for any income,  corporate excise or franchise tax in the Commonwealth of
Massachusetts.

     Certain distributions of the Fund which are paid in January of a given year
but are declared in the prior October,  November or December to  shareholders of
record on a date in such a month will be taxable to  shareholders as if received
on  December  31.

     Distributions  of ordinary income and the excess of net short-term  capital
gain over net long-term  capital loss will be treated as ordinary  income in the
hands of shareholders. Distributions of the excess of net long-term capital gain
over net  short-term  capital  loss are  taxable to  shareholders  as  long-term
capital gain,  regardless of the length of time the shares of the Fund have been
held by such  shareholders.  Distributions  will be  taxed as  described  above,
whether  received in shares or in cash.  It is not expected  that any portion of
such  distributions  will be  eligible  for the  corporate  dividends-  received
deduction.  Distributions  that are treated for Federal income tax purposes as a
return of capital will reduce each shareholder's basis in his shares and, to the
extent the return of capital exceeds such basis,  will be treated as gain to the
shareholder from a sale of shares.

     In general,  any gain or loss realized upon a taxable disposition of shares
of the Fund held by a  shareholder  as a capital  asset will be treated as long-
term  capital  gain or loss if the shares  have been held for more than one year
and otherwise as short-term capital gain or loss. Different tax consequences may
apply for tendering and  nontendering  shareholders  in connection with a tender
offer,  and  these  consequences  will  be  disclosed  in the  related  offering
documents.  For example,  it is possible that tenders not treated as an exchange
for Federal income tax purposes might result in different tax  characterizations
of the  distributions to tendering  shareholders and in deemed  distributions to
non-tendering shareholders.  Shareholders may wish to consult their tax advisers
prior to tendering.

     The Fund will send written  notices to  shareholders  regarding the Federal
income tax status of all distributions made during each calendar year.

     Shareholders  should consult their tax advisers regarding the applicability
of state or local taxes with respect to an investment in the Fund.

<PAGE>

                              TABLE OF CONTENTS
                                    OF THE
                     STATEMENT OF ADDITIONAL INFORMATION
- ------------------------------------------------------------------------------
                                                                          PAGE
                                                                          ----
General Information and History ......................................      2
Additional Information about Investment Policies .....................      2
Investment Restrictions ..............................................      4
Trustees and Officers ................................................      5
Control Persons and Principal Holders of Shares ......................      7
Investment Advisory and Other Services ...............................      7
Determination of Net Asset Value .....................................      9
Portfolio Trading ....................................................     10
Taxes ................................................................     10
Custodian ............................................................     12
Transfer and Dividend Paying Agent and Registrar .....................     13
Auditors .............................................................     13
Performance Information ..............................................     13
Other Information ....................................................     17
Financial Statements .................................................     19
Appendix A ...........................................................    a-1
- ------------------------------------------------------------------------------

<PAGE>
INVESTMENT ADVISER OF
SENIOR DEBT PORTFOLIO
Boston Management and Research
24 Federal Street
Boston, MA 02110

ADMINISTRATOR OF
EATON VANCE PRIME RATE RESERVES
Eaton Vance Management
24 Federal Street
Boston, MA 02110

PRINCIPAL UNDERWRITER
Eaton Vance Distributors, Inc.
24 Federal Street
Boston, MA 02110
(800) 225-6265

CUSTODIAN
Investors Bank & Trust Company
24 Federal Street
Boston, MA 02110

TRANSFER AGENT
The Shareholder Services Group, Inc.
BOS725
P.O. Box 1559
Boston, MA 02104
(800) 262-1122

AUDITORS
Deloitte & Touche LLP
125 Summer Street
Boston, MA 02110

BANKING COUNSEL
Mayer, Brown & Platt
787 Seventh Avenue
New York, NY 10019

EATON VANCE
PRIME RATE RESERVES
24 FEDERAL STREET
BOSTON, MA 02110

PRP

EATON VANCE
PRIME RATE
RESERVES

PROSPECTUS
FEBRUARY 22, 1995

<PAGE>
                                                          STATEMENT OF
                                                          ADDITIONAL INFORMATION
                                                          February 22, 1995

                       EATON VANCE PRIME RATE RESERVES
                              24 Federal Street
                         Boston, Massachusetts 02110
                                (800) 225-6265

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

General Information and History .....................................        2
Additional Information about Investment Policies ....................        2
Investment Restrictions .............................................        4
Trustees and Officers ...............................................        5
Control Persons and Principal Holders of Shares .....................        7
Investment Advisory and Other Services ..............................        7
Determination of Net Asset Value ....................................        9
Portfolio Trading ...................................................       10
Taxes ...............................................................       10
Custodian ...........................................................       12
Transfer and Dividend Paying Agent and Registrar ....................       13
Auditors ............................................................       13
Performance Information .............................................       13
Other Information ...................................................       17
Financial Statements ................................................       19
Appendix A ..........................................................      a-1

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

    THIS  STATEMENT  OF  ADDITIONAL  INFORMATION  IS  NOT A  PROSPECTUS  AND  IS
AUTHORIZED  FOR  DISTRIBUTION  TO  PROSPECTIVE  INVESTORS  ONLY IF  PRECEDED  OR
ACCOMPANIED  BY THE  PROSPECTUS  OF EATON VANCE PRIME RATE RESERVES (THE "FUND")
DATED FEBRUARY 22, 1995, AS  SUPPLEMENTED  FROM TIME TO TIME.  THIS STATEMENT OF
ADDITIONAL  INFORMATION  SHOULD BE READ IN CONJUNCTION WITH SUCH  PROSPECTUS,  A
COPY OF WHICH MAY BE OBTAINED  WITHOUT CHARGE BY CONTACTING THE FUND'S PRINCIPAL
UNDERWRITER,  EATON  VANCE  DISTRIBUTORS,  INC.  (SEE BACK COVER FOR ADDRESS AND
PHONE NUMBER).

<PAGE>
                    GENERAL INFORMATION AND HISTORY

    Eaton   Vance   Prime  Rate   Reserves   (the   "Fund")  is  a   closed-end,
non-diversified  management  investment  company which  continuously  offers its
shares  of  beneficial  interest  to the  public.  The Fund was  organized  as a
business trust under the laws of the  Commonwealth  of  Massachusetts  on May 2,
1989,  and is registered  under the  Investment  Company Act of 1940, as amended
(the "1940 Act").  The Fund's  principal office is located at 24 Federal Street,
Boston, Massachusetts 02110.

               ADDITIONAL INFORMATION ABOUT INVESTMENT POLICIES
   
    The  Fund's  investment  objective  is to provide as high a level of current
income as is  consistent  with the  preservation  of capital,  by investing in a
portfolio  primarily of senior secured  floating rate loans.  The Fund currently
seeks to achieve its investment  objective by investing its assets in the Senior
Debt Portfolio (the "Portfolio"), which has the same investment objective as the
Fund. Capitalized terms used in this Statement of Additional Information and not
otherwise defined have the meanings given them in the Fund's Prospectus.
    

Lending Fees. In the process of buying,  selling and holding Loan  Interests the
Portfolio  may receive  and/or pay certain  fees.  These fees are in addition to
interest  payments  received and may include  facility  fees,  commitment  fees,
commissions and prepayment penalty fees. When the Portfolio buys a Loan Interest
it may  receive a facility  fee and when it sells a Loan  Interest  it may pay a
facility fee. On an ongoing  basis,  the Portfolio may receive a commitment  fee
based on the undrawn portion of the underlying line of credit portion of a Loan.
In certain  circumstances,  the Portfolio  may receive a prepayment  penalty fee
upon  the  prepayment  of a Loan  by a  Borrower.  Other  fees  received  by the
Portfolio may include covenant waiver fees and covenant modification fees.

Borrower Covenants.  A Borrower must comply with various  restrictive  covenants
contained in a loan  agreement or note purchase  agreement  between the Borrower
and the lender or lending syndicate (the "Loan Agreement").  Such covenants,  in
addition to  requiring  the  scheduled  payment of interest and  principal,  may
include   restrictions  on  dividend   payments  and  other   distributions   to
stockholders,  provisions  requiring the Borrower to maintain  specific  minimum
financial ratios, and limits on total debt. In addition,  the Loan Agreement may
contain a covenant  requiring the Borrower to prepay the Loan with any free cash
flow. Free cash flow is generally  defined as net cash flow after scheduled debt
service payments and permitted capital  expenditures,  and includes the proceeds
from asset dispositions or sales of securities.  A breach of a covenant which is
not  waived by the Agent,  or by the  lenders  directly,  as the case may be, is
normally an event of acceleration;  i.e., the Agent, or the lenders directly, as
the  case  may be,  has the  right to call the  outstanding  Loan.  The  typical
practice of an Agent or a lender in relying  exclusively or primarily on reports
from the Borrower may involve a risk of fraud by the Borrower.  In the case of a
Loan Interest in the form of a participation interest, the agreement between the
buyer and seller may limit the rights of the holder of the Loan Interest to vote
on certain  changes which may be made to the Loan  Agreement,  such as waiving a
breach of a covenant. However, the holder of a Loan Interest will, in almost all
cases, have the right to vote on certain  fundamental  issues such as changes in
principal amount, payment dates and interest rate.

Administration  of Loans.  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.

Prepayments.  The Loans in which the  Portfolio  acquires  Loan  Interests  will
usually  require,  in addition to scheduled  payments of interest and principal,
the prepayment of the Loan from free cash flow, as defined above.  The degree to
which Borrowers prepay Loans,  whether as a contractual  requirement or at their
election,  may  be  affected  by  general  business  conditions,  the  financial
condition  of the Borrower  and  competitive  conditions  among  lenders,  among
others.  As  such,  prepayments  cannot  be  predicted  with  accuracy.  Upon  a
prepayment,  either in part or in full, the actual outstanding debt on which the
Portfolio  derives interest income will be reduced.  However,  the Portfolio may
receive both a prepayment penalty fee from the prepaying Borrower and a facility
fee upon  the  purchase  of a new  Loan  Interest  with  the  proceeds  from the
prepayment of the former.  Prepayments  generally will not materially affect the
Fund's performance because the Portfolio should be able to reinvest  prepayments
in other Loan  Interests  in floating  rate Loans that have similar or identical
yields and because  receipt of such fees may mitigate any adverse  impact on the
Fund's yield.

Interest Rate Transactions.  The Portfolio may enter into interest rate swaps on
either an  asset-based  or  liability-based  basis,  depending  on whether it is
hedging its assets or its  liabilities.  For example,  if the Portfolio  holds a
Loan  Interest  with an interest  rate that is reset only once each year, it may
swap the right to receive  interest  at this fixed rate for the right to receive
interest  at a rate  that is reset  daily.  Such a swap  position  would  offset
changes  in the value of the Loan  Interest  because  of  subsequent  changes in
interest rates.  This would protect the Portfolio from a decline in the value of
the Loan Interest due to rising interest rates, but would also limit its ability
to benefit from falling interest rates.

    The Portfolio will enter into interest rate swaps only on a net basis, i.e.,
the two payment streams are netted out, with the Portfolio  receiving or paying,
as the case may be, only the net amount of the two  payments.  Inasmuch as these
transactions  are entered  into for good faith  hedging  purposes  and because a
segregated  account  will be used,  the  Portfolio  will not treat them as being
subject to the Portfolio's borrowing restrictions. The net amount of the excess,
if any, of the Portfolio's  obligations  over its  entitlements  with respect to
each  interest  rate swap will be accrued on a daily basis and an amount of cash
or liquid  high grade debt  securities  having an  aggregate  net asset value at
least equal to the accrued excess will be maintained in a segregated  account by
the Portfolio's  custodian.  The Portfolio will not enter into any interest rate
swap unless the credit quality of the unsecured senior debt or the claims-paying
ability of the other party thereto is considered to be investment  grade by BMR.
If there is a default by the other party to such a  transaction,  the  Portfolio
will  have  contractual  remedies  pursuant  to the  agreements  related  to the
transaction.  The swap  market has grown  substantially  in recent  years with a
large number of banks and investment banking firms acting both as principals and
as agents  utilizing  standardized  swap  documentation.  As a result,  the swap
market has become  relatively  liquid in  comparison  with the markets for other
similar instruments which are traded in the interbank market.

    The  Portfolio  may enter into  interest  rate  swaps  only with  respect to
positions held in its portfolio. Interest rate swaps do not involve the delivery
of securities or other underlying assets or principal.  Accordingly, the risk of
loss with  respect  to  interest  rate  swaps is  limited  to the net  amount of
interest  payments  that the  Portfolio  is  contractually  obligated to make or
receive.  Since interest rate swaps are individually  negotiated,  the Portfolio
expects to achieve an  acceptable  degree of  correlation  between its rights to
receive interest on Loan Interests and its rights and obligations to receive and
pay interest  pursuant to interest rate swaps.

Credit Risks.  As at February 10, 1995,  (prior to the Fund's  investment in the
Portfolio),  the Fund had a Loan  Interest  in a Loan to London Fog  Industries,
Inc. which was carried on its books at less than par. To date, this Borrower has
not defaulted on its Loan although the creditworthiness of the Borrower has been
impaired  as a result of  operational  difficulties.  As at February  10,  1995,
(prior to the Fund's  investment  in the  Portfolio),  the Fund had a receivable
from the Estate of Spirit Holdings Co., Inc.  ("Spirit"),  representing  0.3% of
the current  value of the Fund's  interest in the  Portfolio).  Spirit filed for
bankruptcy  on March 23,  1993.  On August  22,  1994,  the  Honorable  David P.
McDonald  entered an Order confirming the Third Amended Joint Chapter 11 Plan of
the Debtors,  the  Official  Committee  and the Bank Group in the United  States
Bankruptcy Court for the Eastern District of Missouri Eastern Division.

    On December 23, 1993 (prior to the Fund's investment in the Portfolio),  the
Fund sold its Best Products Co., Inc. ("Best") Loan Interest,  and the purchaser
thereof assumed all of the Fund's obligations and liabilities  (including costs,
expenses and damage awards  relating to litigation  matters) with respect to the
Loan Interest pursuant to the contract transferring  ownership thereof. Best had
previously  petitioned  for relief under Chaper 11 of the  Bankruptcy  Code. The
Resolution Trust Corporation ("RTC") initiated litigation in the U.S. Bankruptcy
Court for the  Southern  District  of New York  (the  "Court")  against  various
entities,  including the Fund.  Best's Plan of  Reorganization  (the "Plan") was
confirmed  effective  as of June 14,  1994.  On  January  20,  1995,  the  Court
dismissed as moot an appeal of the RTC from the order  confirming  the Plan.  If
such dismissal is not itself  appealed in a timely  manner,  this matter will in
effect have been terminated by reason of this decision.

    In the last decade, the Federal agencies that regulate banking  institutions
subjected certain loans made in connection with highly leveraged transactions to
increased scrutiny during bank examinations.  Such regulatory action resulted in
certain  banks  disposing of Loan  Interests at low prices.  If such  regulatory
action became likely again,  banks might decide to reduce the amount of Loans to
highly  leveraged  Borrowers,  which  might  reduce  the  availability  of Loans
suitable  for the  Portfolio's  ownership.  As of the date of this  Statement of
Additional Information, such Loan Interests constituted substantially all of the
Portfolio's Loan Interests.

                           INVESTMENT RESTRICTIONS

    The Fund's  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 Statement of
Additional  Information  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 shares are present or represented at the meeting or (b) more than 50% of the
shares of the Fund. As a matter of fundamental policy the Fund may not:

    (1) Borrow money, except as permitted by the Investment Company Act of 1940;

    (2) Issue senior  securities,  as defined in the  Investment  Company Act of
1940, other than (i) preferred shares which immediately after issuance will have
asset  coverage of at least 200%,  (ii)  indebtedness  which  immediately  after
issuance  will have asset  coverage  of at least 300%,  or (iii) the  borrowings
permitted by investment restriction (1) above;

    (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 purchase of Loan  Interests,  securities  or other  investment
assets with the proceeds of a permitted  borrowing or  securities  offering will
not be deemed to be the purchase of securities on margin;

    (4) Underwrite securities issued by other persons,  except insofar as it may
technically be deemed to be an  underwriter  under the Securities Act of 1933 in
selling or disposing of a portfolio investment;

    (5) Make  loans to other  persons,  except  by (a) the  acquisition  of Loan
Interests, debt securities and other obligations in which the Fund is authorized
to invest in accordance with its investment objective and policies, (b) entering
into repurchase agreements, and (c) lending its portfolio securities;

    (6) Purchase any security if, as a result of such purchase, more than 25% of
the Fund's  total  assets  (taken at current  value)  would be  invested  in the
securities  of  Borrowers  and other  issuers  having their  principal  business
activities in the same industry (the electric,  gas, water and telephone utility
industries,  commercial banks,  thrift  institutions and finance companies being
treated as separate  industries for the purpose of this  restriction);  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;

    (7)  Purchase  or sell  real  estate,  although  it may  purchase  and  sell
securities  which are  secured by  interests  in real estate and  securities  of
issuers  which invest or deal in real estate.  The Fund  reserves the freedom of
action to hold and to sell real estate  acquired as a result of the ownership of
securities; or

    (8) Purchase or sell physical  commodities  or contracts for the purchase or
sale of  physical  commodities.  Physical  commodities  do not  include  futures
contracts  with respect to  securities,  securities  indices or other  financial
instruments.

    For the  purpose  of  investment  restrictions  (1),  (2) and (3)  above and
nonfundamental  investment policy (a) below, the arrangements (including escrow,
margin  and  collateral   arrangements)   made  by  the  Fund  with  respect  to
transactions in all types of options and futures contract transactions shall not
be  considered  to be (i) a borrowing  of money or the  issuance  of  securities
(including  senior  securities) by the Fund, (ii) a pledge of its assets,  (iii)
the purchase of a security on margin, or (iv) a short sale or position. The Fund
has no present intention of engaging in options or futures transactions.

    Although permitted  pursuant to investment  restriction (2), the Fund has no
present intention of issuing preferred shares.

   
    For the purpose of  investment  restriction  (6), the Fund will consider all
relevant  factors  in  determining  who is the  issuer  of  the  Loan  Interest,
including:  the credit  quality of the  Borrower,  the amount and quality of the
collateral,  the  terms of the Loan  Agreement  and  other  relevant  agreements
(including  inter-creditor  agreements),  the degree to which the credit of such
interpositioned  person was deemed material to the decision to purchase the Loan
Interest,  the  interest  rate  environment,  and  general  economic  conditions
applicable to the Borrower and such  interpositioned  person. In addition,  with
respect to restriction (6), 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 or part of its investable assets in a 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 numbered  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,  which as used in this
Statement  of  Additional  Information  means  the  lesser  of  (a)  67%  of the
outstanding  voting  securities of the Portfolio present or represented by proxy
at a  meeting  if the  holders  of  more  than  50% of  the  outstanding  voting
securities  of the Portfolio  are present or  represented  at the meeting or (b)
more than 50% of the outstanding  voting  securities of the Portfolio.  The term
"voting  securities"  as used in this  paragraph  has the same meaning as in the
1940 Act.  Whenever the Fund is requested to vote on a change in the  investment
restrictions of the Portfolio, the Fund will hold a meeting of Fund shareholders
and will cast its vote as instructed by the shareholders.

    The Fund and the Portfolio  have each adopted the  following  nonfundamental
investment  policies  which  may be  changed  with  respect  to the  Fund by the
Trustees  of the Fund  without  approval  by the Fund's  shareholders  or may be
changed with respect to the Portfolio by the Trustees of the  Portfolio  without
the  approval of the Fund or the  Portfolio's  other  investors.  As a matter of
nonfundamental  policy,  neither the Fund nor the Portfolio  may: (a) make short
sales of  securities  or maintain a short  position,  unless at all times when a
short position is open it either owns an equal amount of such securities or owns
securities  convertible  into or  exchangeable,  without  payment of any further
consideration,  for securities of the same issue as, and equal in amount to, the
securities sold short; (b) purchase oil, gas or other mineral leases or purchase
partnership  interests in oil, gas or other mineral  exploration  or development
programs;  or (c)  invest  more than 10% of its total  assets  (taken at current
value) in the securities of issuers which together with any predecessors  have a
record of less than three years  continuous  operation,  except U.S.  Government
securities,  securities  of issuers  which are rated by at least one  nationally
recognized   statistical   rating   organization,   municipal   obligations  and
obligations  issued or guaranteed  by any foreign  government or its agencies or
instrumentalities.

    In addition,  neither the Fund nor the Portfolio intends to invest more than
10% of its total assets in Loans to any single Borrower.

    Whenever an investment  policy or investment  restriction  set forth in this
Statement of Additional Information states a maximum percentage of the Fund's or
the  Portfolio's  assets that may be invested in any  security or other asset or
describes a policy regarding quality  standards,  such percentage  limitation or
standard  shall  be  determined  immediately  after  and  as  a  result  of  its
acquisition of such security or other 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 to dispose of such security or other asset.


                            TRUSTEES AND OFFICERS

    The Trustees and officers of the Fund 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 24 Federal  Street,  Boston,
Massachusetts  02110,  which is also the address of the  Portfolio's  investment
adviser,  Boston  Management  and  Research  ("BMR"),  which  is a  wholly-owned
subsidiary of Eaton Vance Management  ("Eaton Vance");  of Eaton Vance's parent,
Eaton Vance Corp. ("EVC"); and of BMR's and Eaton Vance's trustee,  Eaton Vance,
Inc. ("EV"). Eaton Vance and EV are both wholly-owned subsidiaries of EVC. Those
Trustees and officers who are  "interested  persons" of the Fund, the Portfolio,
BMR,  Eaton  Vance,  EVC or EV,  as  defined  in the 1940 Act by virtue of their
affiliation  with any one or more of the Fund, the Portfolio,  BMR, Eaton Vance,
EVC or EV, are indicated by an asterisk(*).

                    TRUSTEES OF THE FUND AND THE PORTFOLIO

JAMES B. HAWKES (53), President and Trustee*
Executive Vice President of BMR, Eaton Vance, EVC and EV, and Director of EVC
and EV. Director, Trustee and officer of various investment companies managed
by Eaton Vance or BMR.

DONALD R. DWIGHT (63), Trustee
President of Dwight Partners, Inc. (a corporate relations and communications
company) founded in 1988; Chairman of the Board of Newspapers of New England,
Inc., since 1983. Director or Trustee of various investment companies managed
by Eaton Vance or BMR.
Address: Clover Mill Lane, Lyme, New Hampshire 03768

M. DOZIER GARDNER (61), Vice President and Trustee*
President of BMR, Eaton Vance and EV, and Director of EVC and EV. Director or
Trustee and officer of various investment companies managed by Eaton Vance or
BMR. Mr. Gardner was elected Vice President and Trustee of the Fund on
December 16, 1991.

SAMUEL L. HAYES, III (59), Trustee
Jacob H. Schiff Professor of Investment Banking, Harvard University, Graduate
School of Business Administration. Director or Trustee of various investment
companies managed by Eaton Vance or BMR.
Address: Harvard University, Graduate School of Business Administration,
Soldiers Field Road, Boston, Massachusetts 02134

NORTON H. REAMER (59), Trustee
President and Director -- United Asset Management Corporation, a holding
company owning institutional investment management firms. Chairman, President
and Director of The Regis Fund, Inc. (mutual fund). Director or Trustee of
various investment companies managed by Eaton Vance or BMR.
Address: One International Place, Boston, Massachusetts 02110

JOHN L. THORNDIKE (68), Trustee
Director -- Fiduciary Trust Company. Director or Trustee of various investment
companies managed by Eaton Vance or BMR.
Address: 175 Federal Street, Boston, Massachusetts 02110

JACK L. TREYNOR (64), Trustee
Investment Adviser and Consultant. Director or Trustee of various investment
companies managed by Eaton Vance or BMR.
Address: 504 Via Almar, Palos Verdes Estates, California 90274

                    OFFICERS OF THE FUND AND THE PORTFOLIO

JEFFREY S. GARNER (38), Vice President and Portfolio Manager*
Vice President of BMR, Eaton Vance and EV.

JAMES L. O'CONNOR (49), Treasurer*
Vice  President  of BMR,  Eaton  Vance and EV.  Officer  of  various  investment
companies managed by Eaton Vance or BMR.

THOMAS OTIS (63), Secretary*
Vice President and Secretary of BMR, Eaton Vance, EVC and EV. Officer of various
investment companies managed by Eaton Vance or BMR.

BARBARA E. CAMPBELL (37), Assistant Treasurer*
Assistant Vice President of BMR, Eaton Vance and EV since January 17, 1992,
employee of Eaton Vance (since October 23, 1991). Audit Manager -- Financial
Services Industry Practice, Deloitte & Touche (1987-1991). Officer of various
investment companies managed by Eaton Vance or BMR. Ms. Campbell was elected
Assistant Treasurer of the Fund on December 16, 1991.

JANET E. SANDERS (59), Assistant Treasurer and Assistant Secretary*
Vice President of BMR, Eaton Vance and EV. Officer of various investment
companies managed by Eaton Vance or BMR.

   
CARMEN THOMPSON (41), Vice President of the Portfolio
Trust Officer of The Bank of Nova Scotia Trust Company (Cayman) Limited.
Address: The Bank of Nova Scotia Trust Company (Cayman) Ltd., The Bank of Nova
Scotia Building, P.O. Box 501, George Town, Grand Cayman, Cayman Islands,
British West Indies.

PAUL LAURET (53), Vice President of the Portfolio
Senior Trust Officer of The Bank of Nova Scotia Trust Company (Cayman)
Limited.
Address: The Bank of Nova Scotia Trust Company (Cayman) Ltd., The Bank of Nova
Scotia Building, P.O. Box 501, George Town, Grand Cayman, Cayman Islands,
British West Indies.

RAYMOND O'NEILL (33), Vice President of the Portfolio
Managing Director of IBT Trust and Custodian Services (Ireland) Limited.
Address: Earlsfort Terrace, Dublin 2, Ireland.
    

    The fees and  expenses of those  Trustees of the Fund who are not members of
the Eaton Vance  organization are paid by the Fund. During the fiscal year ended
December 31, 1994, the Trustees of the Fund earned the following compensation in
their  capacities as Trustees of the Fund and the other funds in the Eaton Vance
fund complex(1):


                        AGGREGATE          RETIREMENT         TOTAL COMPENSATION
                       COMPENSATION      BENEFIT ACCRUED        FROM TRUST AND
NAME                    FROM FUND       FROM FUND COMPLEX        FUND COMPLEX
- ----                   ------------     -----------------     ------------------
Donald R. Dwight(2)....  $4,119              $8,750                 $135,000
Samuel L. Hayes, III(3)   4,079               8,864                  142,500
Norton H. Reamer ......   4,002              -- 0 --                 135,000
John L. Thorndike .....   4,140              -- 0 --                 140,000
Jack L. Treynor .......   4,247              -- 0 --                 140,000
- ---------
(1)The Eaton Vance fund complex consists of 201 registered investment companies
   or series thereof.
(2)Includes $331 of deferred compensation.
(3)Includes $334 of deferred compensation.

    Trustees of the Portfolio who are not affiliated with BMR 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  "Plan").  Under the 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 Plan will be  determined  based upon the
performance of such  investments.  Deferral of Trustees' fees in accordance with
the 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.

    Each interested Trustee and officer holds comparable  positions with certain
affiliates of BMR or with certain other funds of which BMR or Eaton Vance is the
investment adviser or distributor.

               CONTROL PERSONS AND PRINCIPAL HOLDERS OF SHARES

    As of January 31, 1995,  the Trustees and officers of the Fund,  as a group,
owned in the aggregate less than 1% of the outstanding shares of the Fund. As of
January 31, 1995, Merrill Lynch, Pierce,  Fenner & Smith, Inc. of New Brunswick,
New  Jersey,  was the record  owner of  approximately  53.6% of the  outstanding
shares,  which  were held on behalf of their  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  Fund,  no  other  person
beneficially owns 5% or more of the Fund's outstanding shares.

                    INVESTMENT ADVISORY AND OTHER SERVICES

    The  Portfolio  has engaged BMR to act as its  investment  adviser  under an
Investment  Advisory  Agreement  (the "Advisory  Agreement").  Under the general
supervision  of the  Portfolio's  Board  of  Trustees,  BMR will  carry  out the
investment  and  reinvestment  of the  assets  of the  Portfolio,  will  furnish
continuously an investment program with respect to the Portfolio, will determine
which  securities  and loans should be purchased,  sold or  exchanged,  and will
implement  such  determinations.  BMR will furnish to the  Portfolio  investment
advice  and  office  facilities,  equipment  and  personnel  for  servicing  the
investments of the Portfolio.  BMR will  compensate all Trustees and officers of
the Portfolio who are members of the BMR organization and who render  investment
services to the Portfolio,  and will also compensate all other BMR personnel who
provide research and investment  services to the Portfolio.  In return for these
services,  facilities  and  payments,  the  Portfolio  has  agreed to pay BMR as
compensation  under the Advisory Agreement a monthly fee in the amount of 19/240
of 1%  (equivalent  to 0.95%  annually) of the average daily gross assets of the
Portfolio.  In  calculating  the gross assets of the Portfolio for this purpose,
there will be deducted all  liabilities  of the  Portfolio  except the principal
amount of any indebtedness for money borrowed,  including debt securities issued
by the  Portfolio.  While this  advisory  fee is greater  than that paid by most
other  funds,  it is similar to fees paid by other  closed-end  funds  investing
primarily in Loans and Loan Interests.  On October 24, 1994, the Trustees of the
Portfolio  voted to accept a waiver of BMR  compensation  so that the  aggregate
advisory  fees paid by the  Portfolio  under the Advisory  Agreement  during any
fiscal year or portion thereof after the Fund begins to invest its assets in the
Portfolio,  will on an annual basis not exceed: (a) 0.95% of average daily gross
assets of the  Portfolio up to and  including  $1 billion;  (b) 0.90% of average
daily gross assets in excess of $1 billion up to and  including $2 billion;  and
(c) 0.85% of average daily gross assets in excess of $2 billion.  The fee waiver
is  indefinite,  but could be removed or changed  upon  agreement of BMR and the
Portfolio's Board of Trustees at any time.

    Prior  to the  close  of  business  on  February  21,  1995  (when  the Fund
transferred  substantially all of its assets to the Portfolio in exchange for an
interest in the  Portfolio),  the Fund  retained  Eaton Vance as its  investment
adviser.  For the fiscal year ended December 31, 1992, the Fund paid Eaton Vance
advisory fees  aggregating  $12,845,317,  which was equal to 0.94% of the Fund's
average daily gross  assets.  For the fiscal year ended  December 31, 1993,  the
Fund paid Eaton Vance advisory fees aggregating  $8,562,326,  which was equal to
0.95% of the Fund's  average  daily  gross  assets.  For the  fiscal  year ended
December  31,  1994,  the  Fund  paid  Eaton  Vance  advisory  fees  aggregating
$6,116,870,  which was equal to 0.95% of the Fund's  average daily gross assets.
As at December 31, 1994, the gross assets of the Fund were $631,990,687.

    The Fund  has  engaged  Eaton  Vance  to act as its  administrator  under an
Administration  Agreement.  Under the Administration  Agreement,  Eaton Vance is
responsible  for  managing  the  business  affairs  of the Fund,  subject to the
supervision  of the Fund's  Board of  Trustees.  Eaton Vance will furnish to the
Fund all office  facilities,  equipment  and  personnel  for  administering  the
affairs of the Fund.  Eaton Vance will  compensate  all Trustees and officers of
the  Fund  who are  members  of the  Eaton  Vance  organization  and who  render
executive and administrative  services to the Fund, and will also compensate all
other Eaton Vance personnel who perform management and  administrative  services
for the Fund.  Eaton  Vance's  administrative  services  include  recordkeeping,
preparation  and filing of  documents  required to comply with Federal and state
securities laws, supervising the activities of the Fund's custodian and transfer
agent,  providing  assistance in connection with the Trustees' and shareholders'
meetings,  providing  services in connection with contemplated  quarterly tender
offers  and other  administrative  services  necessary  to  conduct  the  Fund's
business. In return for these services,  facilities and payments,  the Fund pays
Eaton Vance as compensation under the Administration  Agreement a monthly fee in
the amount of 1/48 of 1%  (equivalent  to 0.25%  annually) of the average  daily
gross assets of the Portfolio attributable to the Fund. In calculating the gross
assets of the Portfolio for this purpose, there will be deducted all liabilities
of the  Portfolio  except the  principal  amount of any  indebtedness  for money
borrowed,  including debt  securities  issued by the  Portfolio.  For the fiscal
years  ended  December  31,  1994,  1993 and  1992,  the Fund paid  Eaton  Vance
administration  fees of  $1,609,703,  $2,253,980 and  $3,429,255,  respectively,
which was equal to 0.25% of the  Fund's  average  daily  gross  assets  for each
fiscal year.

    The  Bank  of  Nova  Scotia  Trust  Company  (Cayman)  Ltd.   maintains  the
Portfolio's   principal   office  and  certain  of  its  records  and   provides
administrative  assistance  in  connection  with  meetings  of  the  Portfolio's
Trustees and  interestholders,  for which services the Portfolio pays $1,500 per
annum.

    The Portfolio and the Fund, as the case may be, will each be responsible for
all of its respective  costs and expenses not expressly  stated to be payable by
BMR under the Advisory  Agreement with the  Portfolio,  by Eaton Vance under the
Administration  Agreement  with  the  Fund  or by  EVD  under  its  Distribution
Agreement  with the Fund.  Such costs and expenses to be borne by the  Portfolio
and the Fund,  as the case may be,  include,  without  limitation:  custody  and
transfer agency fees and expenses,  including those incurred for determining net
asset value and keeping  accounting  books and records;  expenses of pricing and
valuation  services;  the  cost  of  share  certificates;   membership  dues  in
investment company organizations;  expenses of acquiring,  holding and disposing
of securities and other investments;  fees and expenses of registering under the
securities laws and governmental  fees;  expenses of reports to shareholders and
investors,  proxy  statements and other expenses of  shareholders' or investors'
meetings; insurance premiums; printing and mailing expenses; interest, taxes and
corporate  fees;  legal and accounting  expenses;  compensation  and expenses of
Trustees not affiliated with BMR or Eaton Vance;  expenses of conducting  tender
offers for the purpose of repurchasing  Portfolio  interests or Fund shares; and
investment  advisory and  administration  fees.  The Portfolio and the Fund will
also each bear  expenses  incurred in  connection  with  litigation in which the
Portfolio or the Fund,  as the case may be, is a party and any legal  obligation
to indemnify its respective officers and Trustees with respect thereto.

    Commitments  have been made to certain  state  securities  authorities  that
Eaton Vance will reimburse the Fund for certain expenses paid or incurred by the
Fund  in any  fiscal  year of the  Fund  that  exceeds  the  expense  limitation
requirements  of such states.  These  commitments may be amended or rescinded by
Eaton Vance in response to changes in the  requirements of the various states or
for other reasons.

    The Advisory  Agreement and  Administration  Agreement will remain in effect
until February 28, 1996.  The  Portfolio's  Advisory  Agreement may be continued
from year to year thereafter so long as such continuance after February 28, 1996
is approved at least  annually  (i) by the vote of a majority of the Trustees of
the Portfolio who are not  "interested  persons" of the Portfolio or BMR cast in
person  at a  meeting  specifically  called  for the  purpose  of voting on such
approval and (ii) by the  Trustees of the  Portfolio or by vote of a majority of
the outstanding interests of the Portfolio.  The Fund's Administration Agreement
may be  continued  from year to year  after  February  28,  1996 so long as such
continuance  is  approved  annually  by the  vote of a  majority  of the  Fund's
Trustees.  Each agreement may be terminated at any time without penalty on sixty
(60) days' written notice by the Trustees of the Fund or the  Portfolio,  as the
case may be, BMR or Eaton Vance,  as  applicable,  or by vote of the majority of
the  outstanding  shares of the Fund or interests of the Portfolio,  as the case
may  be.  Each  agreement  will  terminate  automatically  in the  event  of its
assignment. Each agreement provides that, in the absence of willful misfeasance,
bad faith,  gross negligence or reckless  disregard of its obligations or duties
to the Fund or the Portfolio under such agreements on the part of Eaton Vance or
BMR,  as  applicable,  Eaton  Vance or BMR will not be liable to the Fund or the
Portfolio, as applicable, for any loss incurred.

    BMR is a wholly-owned subsidiary of Eaton Vance. Eaton Vance and EV are both
wholly-owned  subsidiaries  of EVC.  BMR and Eaton Vance are both  Massachusetts
business trusts,  and EV is the trustee of BMR and Eaton Vance. The Directors of
EV are Landon T. Clay, H. Day Brigham,  Jr., M. Dozier Gardner,  James B. Hawkes
and Benjamin A.  Rowland,  Jr. The  Directors of EVC consist of the same persons
and John G. L. Cabot and Ralph Z. Sorenson. Mr. Clay is chairman and Mr. Gardner
is president and chief executive officer of EVC, BMR, Eaton Vance and EV. All of
the issued and outstanding shares of Eaton Vance and EV 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 which
expires on December 31,  1996,  the Voting  Trustees of which are Messrs.  Clay,
Brigham,  Gardner,  Hawkes and Rowland.  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  and  Directors of EV and
EVC. As of January 31, 1995, Messrs.  Clay, Gardner and Hawkes each owned 24% of
such voting trust receipts,  and Messrs.  Rowland and Brigham owned 15% and 13%,
respectively,  of such voting trust receipts.  Messrs.  Gardner, Hawkes and Otis
are  officers or Trustees of the Fund and the  Portfolio  and are members of the
EVC, BMR, Eaton Vance and EV organizations.  Messrs. Garner and O'Connor and Ms.
Campbell  and Ms.  Sanders are  officers of the Fund and the  Portfolio  and are
members of the BMR, Eaton Vance and EV organizations.  BMR will receive the fees
paid under the  Advisory  Agreement  and Eaton Vance will  receive the fees paid
under the Administration Agreement, and its wholly-owned subsidiary, Eaton Vance
Distributors,  Inc., as Principal Underwriter, will receive the early withdrawal
charges payable upon the repurchase of shares of the Fund.

    Eaton Vance owns all of the stock of Energex  Corporation,  which is engaged
in oil and gas operations.  EVC owns all of the stock of Marblehead Energy Corp.
(which  engages in oil and gas  operations)  and 77.3% of the stock of Investors
Bank & Trust Company,  custodian of the Fund and the  Portfolio,  which provides
custodial,  trustee  and  other  fiduciary  services  to  investors,   including
individuals, employee benefit plans, corporations, investment companies, savings
banks and other institutions.  In addition, Eaton Vance owns all of the stock of
Northeast  Properties,  Inc.,  which  is  engaged  in  real  estate  investment,
consulting and management. EVC owns all of the stock of Fulcrum Management, Inc.
and  MinVen  Inc.,  which are  engaged  in the  development  of  precious  metal
properties. EVC, Eaton Vance, BMR and EV may also enter into other businesses.

    EVC and its  affiliates  and their  officers and employees from time to time
have  transactions  with various banks,  including the custodian of the Fund and
the Portfolio,  Investors Bank & Trust Company. 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.

                       DETERMINATION OF NET ASSET VALUE

    Each  investor  in  the  Portfolio,  including  the  Fund,  may  add  to 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
(which  would be made  pursuant  to  Portfolio  tender  offers)  for the current
Portfolio Business Day will then be recorded.  The investor's  percentage of the
aggregate  interest in the  Portfolio  will then be  recomputed  as a percentage
equal to the 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.

                              PORTFOLIO TRADING

    Specific decisions to purchase or sell securities for the Portfolio are made
by employees of BMR who are  appointed and  supervised  by its senior  officers.
Such employees may serve other clients of BMR in a similar capacity.  Changes in
the Portfolio's investments are reviewed by the Board.

    The Portfolio will acquire Loan Interests  from major  international  banks,
selected domestic  regional banks,  insurance  companies,  finance companies and
other financial  institutions.  In selecting  financial  institutions from which
Loan  Interests may be acquired,  BMR will consider,  among other  factors,  the
financial  strength,   professional  ability,  level  of  service  and  research
capability of the institution.  While these financial institutions are generally
not required to repurchase  Loan Interests which they have sold, they may act as
principal or on an agency basis in connection with the  Portfolio's  disposition
of Loan Interests.

    Other  fixed-income  obligations  which  may be  purchased  and  sold by the
Portfolio are  generally  traded in the  over-the-counter  market on a net basis
(i.e., without commission) through  broker-dealers or banks acting for their own
account rather than as brokers, or otherwise involve transactions  directly with
the  issuers  of such  obligations.  Such  firms  attempt  to  profit  from such
transactions by buying at the bid price and selling at the higher asked price of
the market for such  obligations,  and the difference  between the bid and asked
price is customarily  referred to as the spread. The Portfolio may also purchase
fixed-income  and  other  securities  from  underwriters,  the cost of which may
include  undisclosed  fees  and  concessions  to the  underwriters.  While it is
anticipated that the Portfolio will not pay significant  brokerage  commissions,
on  occasion it may be  necessary  or  desirable  to purchase or sell a security
through a broker on an agency basis,  in which case the  Portfolio  will incur a
brokerage commission.  Although spreads or commissions on portfolio transactions
will,  in the  judgment  of BMR, be  reasonable  in relation to the value of the
services  provided,  spreads or 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. The Portfolio will not purchase  securities  from its
affiliates  in principal  transactions.  The Fund paid no brokerage  commissions
during the three year period ended December 31, 1994.

    The  frequency  of portfolio  purchases  and sales,  known as the  "turnover
rate,"  will vary  from year to year.  It is  anticipated  that the  Portfolio's
turnover rate will be between 50% and 100%.

    Securities   considered  as  investments  for  the  Portfolio  may  also  be
appropriate  for other  investment  accounts  managed by BMR or its  affiliates.
Subject  to  applicable  laws and  regulations,  BMR will  attempt  to  allocate
equitably  portfolio  transactions among the Portfolio and the portfolios of its
other  investment  accounts  whenever  decisions  are made to  purchase  or sell
securities  by  the   Portfolio   and  one  or  more  of  such  other   accounts
simultaneously.  In making such  allocations,  the main factors to be considered
are the  respective  investment  objectives  of the  Portfolio  and  such  other
accounts,  the  relative  size of portfolio  holdings of the same or  comparable
securities,  the  availability  of cash for investment by the Portfolio and such
accounts, the size of investment commitments generally held by the Portfolio and
such  accounts  and the  opinions of the persons  responsible  for  recommending
investments to the Portfolio and such accounts.  While this procedure 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 Fund and
the Portfolio that the benefits available from the BMR organization outweigh any
disadvantage that may arise in simultaneous transactions.

                                    TAXES

    The Fund has  qualified and elected to be treated and intends to continue to
qualify each year as a regulated  investment  company under the Internal Revenue
Code of 1986, as amended (the "Code").  Accordingly, the Fund intends to satisfy
certain  requirements  relating to sources of its income and  diversification of
its assets and to distribute its net investment  income and net realized capital
gains in accordance with the timing  requirements  imposed by the Code, so as to
avoid any Federal  income or excise tax on the Fund.  Because  the Fund  invests
substantially  all of its assets in the Portfolio,  the Portfolio  normally must
satisfy the  applicable  source of income and  diversification  requirements  in
order  for the Fund to  satisfy  them.  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 monies  available for withdrawal at appropriate  times
(consistent with any Fund tender offers) 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 regulated  investment company, the Fund will be deemed (i) to
own its  proportionate  share of each of the assets of the Portfolio and (ii) to
be entitled to the gross income of the Portfolio attributable to such share.

    In order to qualify as a regulated  investment company for any taxable year,
the Fund must,  among other things,  (i) derive at least 90% of its gross income
from dividends,  interest, payments with respect to securities loans, gains from
the sale or other  disposition of securities,  and certain other related income;
(ii) derive less than 30% of its gross  income from gains from the sale or other
disposition of securities  held less than three months;  and (iii) diversify its
investments  so that at the close of each  quarter  of its  taxable  year (x) at
least 50% of the market value of the Fund's total assets is  represented by cash
and cash  items,  U.S.  Government  securities,  securities  of other  regulated
investment  companies and other securities  limited in respect of any one issuer
to not more than 5% of the value of the  Fund's  total  assets and not more than
10% of the voting  securities  of such issuer,  and (y) not more than 25% of the
value of the Fund's total assets is invested in the securities  (other than U.S.
Government securities and securities of other regulated investment companies) of
any one issuer, or of two or more issuers  controlled by the Fund and engaged in
the same,  similar  or  related  trades or  businesses.  For  purposes  of these
requirements,  Loan Interests will be treated as securities, and the issuer will
be  identified on the basis of market risk and credit risk  associated  with any
particular  interest.  Certain  payments  received  by the  Portfolio,  such  as
commitment  fees,  may  not be  treated  as  qualifying  income  under  the  90%
requirement described above.

    The Federal  income tax rules  governing the taxation of interest rate swaps
are not entirely  clear and may require the Fund to treat  payments  received by
the Portfolio  under such  arrangements  as ordinary income and to amortize such
payments under certain  circumstances.  The Portfolio will limit its activity in
this regard in order to maintain  its  qualification  as a regulated  investment
company.

    In  order to avoid  Federal  excise  tax,  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 (not including  tax-exempt  income) for
such year,  at least 98% of the excess of its  realized  capital  gains over its
realized  capital  losses,   after  reduction  by  any  available  capital  loss
carryforwards,  and 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.

    As of the  close of  business,  February  21,  1995,  the  Fund  contributed
substantially  all of its assets to the Portfolio in exchange for an interest in
the  Portfolio.  The Fund has  obtained  an opinion of tax counsel to the effect
that,   although  there  is  no  judicial  authority  directly  on  point,  this
contribution  will not result in the recognition of gain or loss by the Fund for
Federal income tax purposes. If it were determined that this contribution by the
Fund was a taxable transaction,  the Fund could be required to recognize gain on
the transfer of its assets to the Portfolio and to make additional distributions
to its shareholders in order to avoid  Fund-level  Federal income taxes, and any
such distributions would be taxable to the shareholders who receive them; and in
such case, the Fund might also be required to pay penalties  and/or  interest to
the Internal Revenue Service.

    Any loss  realized upon a taxable  disposition  of shares with a tax holding
period of six months or less will be treated as a long-term  capital loss to the
extent of any amounts treated by  shareholders  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 will be disallowed if other Fund shares are purchased
within 30 days before or after such disposition.

    Certain  investments  of the Portfolio may bear original  issue  discount or
market discount for tax purposes. The Fund will be required to include in income
each year a portion of such original  issue discount and may elect to include in
income each year a portion of such market  discount,  and may have to dispose of
investments  that it would  otherwise have continued to hold in order to satisfy
its distribution requirements with respect to such income.

    Distributions by the Fund may result in a reduction in the fair market value
of the Fund's shares. Should a distribution reduce the fair market value below a
shareholder's cost basis, such distribution nevertheless would be taxable to the
shareholder as ordinary income or capital gain, even though,  from an investment
standpoint,  it may  constitute  a partial  return  of the  purchase  price.  In
particular,  investors  should be careful to consider  the tax  implications  of
buying  shares just prior to a  distribution.  The price of shares  purchased at
that  time  includes  the  amount  of any  forthcoming  distribution,  and  such
investors will then receive a distribution representing a return of a portion of
their investment which will nevertheless be taxable to them.

    Amounts paid by the Fund to individuals and certain other  shareholders  who
have not provided  the Fund with a correct  taxpayer  identification  number and
certain required  certifications,  as well as shareholders  with respect to whom
the Fund has  received  notification  from the  Internal  Revenue  Service  or a
broker, may be subject to "backup" withholding at a rate of 31%. An individual's
taxpayer identification number is generally his social security number.

    Nonresident  alien  individuals and certain foreign  corporations  and other
entities generally will be subject to a U.S. withholding tax at a rate of 30% on
distributions from ordinary income and the excess of net short-term capital gain
over net  long-term  capital loss unless the tax is reduced or  eliminated by an
applicable tax treaty.  Distributions  from the excess of net long-term  capital
gain over 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.  taxation,  provided  that  nonresident  alien  status has been
certified by the shareholder.  Different U.S. tax consequences may result if the
shareholder is engaged in a trade or business in the United States or is present
in the United States for a sufficient period of time during a taxable year to be
treated  as a U.S.  resident.  Foreign  shareholders  should  consult  their tax
advisers regarding the U.S. and foreign tax consequences of an investment in the
Fund.

    The  Portfolio may be subject to foreign  withholding  taxes with respect to
income on certain loans to foreign Borrowers.  As not more than 50% of the value
of the Fund's  total  assets  taking  into  account its  allocable  share of the
Portfolio's  total  assets  at the  close of any  taxable  year of the Fund will
consist of loans to foreign  borrowers,  the Fund will not be  eligible  to pass
through to shareholders their  proportionate  share of foreign taxes paid by the
Portfolio and allocated to the Fund, with the result that  shareholders will not
be entitled to take any foreign tax credits or deductions for foreign taxes paid
by the Portfolio and  allocated to the Fund.  However,  the Fund may deduct such
taxes in  calculating  its  distributable  income  earned by the  Portfolio  and
allocated to the Fund.  These taxes may be reduced or eliminated under the terms
of an applicable U.S. income tax treaty.

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

                                  CUSTODIAN

    Investors  Bank  &  Trust  Company  ("IBT"),  24  Federal  Street,   Boston,
Massachusetts,  a 77.3% owned  subsidiary of EVC, acts as custodian for the Fund
and the Portfolio.  IBT has the custody of all cash and securities  representing
the Fund's interest in the Portfolio,  has custody of all the Portfolio's assets
and its  subsidiary,  IBT Fund Services  (Canada) Inc., 1 First Canadian  Place,
King Street West, Toronto, Ontario, Canada, maintains the general ledgers 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 its capacity as
custodian,  IBT  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 Fund and the Portfolio. IBT charges
custody  fees  based on a  percentage  of Fund and  Portfolio  assets  which are
competitive  within the  industry.  These fees are then  reduced by a credit for
cash balances of the particular investment company at the custodian equal to 75%
of the  91-day,  U.S.  Treasury  Bill  auction  rate  applied to the  particular
investment  company's average daily collected  balances for the week. In view of
the  ownership  of EVC in IBT,  the  Portfolio  is treated  as a  self-custodian
pursuant to Rule 17f-2 under the 1940 Act, and the Portfolio's  investments held
by IBT as  custodian  are thus  subject to the  additional  examinations  by the
Portfolio's independent certified public accountants as called for by such Rule.
For the fiscal year ended  December  31, 1994 the Fund paid IBT custody  fees of
$278,996.

               TRANSFER AND DIVIDEND PAYING AGENT AND REGISTRAR

    The Shareholder Services Group, Inc. serves with respect to the shares as
transfer and dividend paying agent and as registrar. The principal business
address of The Shareholder Services Group, Inc. is One Exchange Place, Boston,
Massachusetts 02104.

                                   AUDITORS

    Deloitte & Touche LLP, 125 Summer  Street,  Boston,  Massachusetts,  are the
independent  accountants  for the Fund,  providing  audit  services,  tax return
preparation,  and assistance and consultation with respect to the preparation of
filings with the Securities and Exchange  Commission.  Deloitte & Touche,  Grand
Cayman, Cayman Islands, British West Indies, are the independent accountants for
the Portfolio.

                           PERFORMANCE INFORMATION

    The Fund's  current yield for the one-month  period ended  December 31, 1993
was 5.37%.  The Fund's  effective yield for the one-month  period ended December
31, 1993 was 5.50%.  The Fund's  current  yield for the  one-month  period ended
December 31, 1994 was 7.72%. The Fund's effective yield for the one-month period
ended  December 31, 1994 was 8.00%.  Yields will fluctuate from time to time and
are not necessarily representative of future results.

    The  tables  below   indicate  the  total  return   (capital   changes  plus
reinvestment of all distributions) on a hypothetical investment of $1,000 in the
Fund covering the life of the Fund through December 31, 1994.

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

         INVESTMENT            INVESTMENT            AMOUNT OF            VALUE OF                     TOTAL RETURN
           PERIOD                 DATE              INVESTMENT           INVESTMENT           CUMULATIVE          ANNUALIZED
  -------------------------------------------------------------------------------------------------------------------------------
<S>                            <C>                   <C>                  <C>                   <C>                 <C>
  Life of the
  Fund*                         08/04/89              $1,000              $1,451.50             45.15%              7.13%
  5 Years Ended
  12/31/94                      12/31/89              $1,000              $1,401.20             40.12%              6.98%
  1 Year Ended
  12/31/94                      12/13/93              $1,000              $1,060.80              6.08%              6.08%
</TABLE>

                              PERCENTAGE CHANGES
                     AUGUST 4, 1989 -- DECEMBER 31, 1994

                                        NET ASSET VALUE TO
                                       NET ASSET VALUE WITH
                                   ALL DISTRIBUTIONS REINVESTED
  FISCAL              ------------------------------------------------------
  YEAR                                                         AVERAGE
  ENDED                     ANNUAL          CUMULATIVE          ANNUAL
  -----                     ------          ----------          ------
  12/31/89                    --              3.59%               --
  12/31/90                  9.60%             13.53%            9.43%
  12/31/91                  7.76%             22.34%            8.74%
  12/31/92                  6.18%             29.91%            7.97%
  12/31/93                  5.34%             36.84%            7.37%
  12/31/94                  6.08%             45.15%            7.13%

    Past performance is not indicative of future results.  Investment return and
principal value will fluctuate and shares,  when redeemed,  may be worth more or
less than their original cost.

    The calculation of total return,  current yield and effective yield does not
reflect  the  imposition  of any Early  Withdrawal  Charges or the amount of any
shareholder income tax liability. If reflected, an Early Withdrawal Charge would
reduce the performance quoted.  Information about the performance of the Fund or
other   investments   should  not  be  considered  a  representation  of  future
performance the Fund may earn or what an investor's yield or total return may be
in the future.

   
    Comparative  information about the Fund's yield and total return,  about the
Prime Rate and about average rates of return on  certificates  of deposit,  bank
money market deposit  accounts,  money market mutual funds and other  short-term
investments may also be included in  advertisements  and  communications  of the
Fund. A bank certificate of deposit, unlike the Fund's shares, pays a fixed rate
of  interest  and  entitles  the  depositor  to receive  the face  amount of the
certificate  of deposit at maturity.  A bank money market  deposit  account is a
form of  savings  account  which pays a variable  rate of  interest.  Unlike the
Fund's  shares,  bank  certificates  of deposit  and bank money  market  deposit
accounts are ordinarily insured by the Federal Deposit Insurance Corporation.  A
money market  mutual fund is designed to maintain a constant  value of $1.00 per
share and,  thus, a money market  fund's shares are  ordinarily  subject to less
price fluctuation than the Fund's shares.
    

This is the description for the Edgar filing of a bar chart:
Yield Advantage

Eaton Vance Prime Rate Reserves                              8.00%
Money Market Mutual Funds                                    5.25%
3-Month Certificates of Deposit                              4.12%
Bank Money Market Accounts                                   3.26%

All figures as of 12/31/94.  Prime Rate  Reserves  figure  represents  effective
yield (distribution for the latest 30-day period, annualized, divided by the net
asset  value  per share at the end of the  period,  and then  compounded  over a
12-month period). The Fund is not insured like bank certificates of deposit, and
does not attempt to maintain a constant  net asset value per share,  as do money
market funds.  The value and return of an investment in the Fund will  fluctuate
with changes in market  conditions.  Sources:  Eaton Vance Management,  The Wall
Street Journal.

<PAGE>
This is a description for the Edgar filing of a line graph:

   
Total Return Performance...
A $100,000 investment in Eaton Vance Prime Rate Reserves at the Fund's
inception, August 4, 1989, would have grown to $146,135 on January 31, 1995.

prime rate 
reserves
start             $100000
8/89               100614
9/89               100614
10/89              102039
11/89              102786
12/89              103586
1/90               104406
2/90               105158
3/90               105997
4/90               106823
5/90               107691
6/90               108541
7/90               109425
8/90               110317
9/90               111185
10/90              112088
11/90              112858
12/90              113528
1/91               114292
2/91               115029
3/91               115852
4/91               116631
5/91               117396
6/91               118114
7/91               118851
8/91               119593
9/91               120293
10/91              120997
11/91              121663
12/91              122335
1/92               122823
2/92               123378
3/92               123973
4/92               124553
5/92               125134
6/92               125758
7/92               126319
8/92               127001
9/92               127899
10/92              128305
11/92              129077
12/92              129897
1/93               130463
2/93               130560
3/93               130840
4/93               131761
5/93               132572
6/93               133262
7/93               133693
8/93               134532
9/93               135234
10/93              135580
11/93              136178
12/93              136834
1/94               137407
2/94               137943
3/94               138124
4/94               138568
5/94               139227
6/94               140025
7/94               140719
8/94               140897
9/94               141645
10/94              142631
11/94              143481
12/94              145146
1/95               146135

The  chart   reflects   total  return  (change  in  net  asset  value  with  all
distributions  reinvested) in a  hypothetical  investment of $100,000 at 8/4/89.
Results do not include the Fund's early withdrawal  charge.  Past performance is
not indicative of future  results.  Investment  return and principal  value will
fluctuate so that shares,  when  redeemed,  may be worth more or less than their
original cost. Sources: Eaton Vance Management, The Wall Street Journal.
    

This is a description for the Edgar filing of a bar chart:
The Eaton Vance Prime Rate Reserves monthly average yield over...

            Bank Money Market           3-month             Money Market
                Account                   CD's                  Funds
1989              2.1                     1.13                    0.78
1990              3.36                    2.55                    2.11
1991              2.63                    2.52                    2.22
1992              2.39                    2.43                    2.18
1993              2.81                    2.7                     2.49
1994              3.53                    2.99                    2.44

The chart  represents  the  averages  of the  monthly  advantage  of the  Fund's
effective  yield over yields on the investments  shown.  The Fund is not insured
like bank  certificates of deposit,  and does not attempt to maintain a constant
net asset  value per share,  as do money  market  funds.  Sources:  Eaton  Vance
Management, The Wall Street Journal.

    The average rates of return of money market mutual  funds,  certificates  of
deposit  and bank money  market  deposit  accounts  shown in the table below are
effective yields, and assume that all interest and dividends are reinvested.


<PAGE>
This is a description for the Edgar filing of a line graph:
   
The Fund has delivered a consistent  yield  advantage over  short-term  interest
rates...
<TABLE>
<CAPTION>
                                    3-month                     Federal                       Prime Rate
                            London Interbank                      Funds                         Reserves
                                Offered Rate                       Rate                  Effective Yield
Month-end                                (%)                        (%)                              (%)
<S>                                     <C>                        <C>                              <C>
Aug. 1989                               9.00                       8.99                             8.30
Sept. 1989                              9.19                       9.02                             8.58
Oct. 1989                               8.69                       8.84                             9.01
Nov. 1989                               8.50                       8.55                             9.28
Dec. 1989                               8.38                       8.45                             9.55
Jan. 1990                               8.38                       8.23                             9.74
Feb. 1990                               8.38                       8.24                             9.80
March 1990                              8.50                       8.28                             9.82
April 1990                              8.69                       8.26                             9.90
May 1990                                8.38                       8.18                            10.00
June 1990                             8.38                       8.29                            10.03
July 1990                               7.94                       8.15                            10.03
Aug. 1990                               8.13                       8.13                            10.03
Sept. 1990                              8.31                       8.20                            10.00
Oct. 1990                               8.06                       8.11                            10.00
Nov. 1990                               8.44                       7.81                            10.01
Dec. 1990                               7.56                       7.31                             9.78
Jan. 1991                               7.06                       6.91                             9.50
Feb. 1991                               6.88                       6.25                             8.75
March 1991                              6.38                       6.12                             8.75
April 1991                              6.19                       5.91                             8.50
May 1991                                6.06                       5.78                             8.00
June 1991                             6.19                       5.90                             7.70
July 1991                               6.06                       5.82                             7.60
Aug. 1991                               5.69                       5.66                             7.60
Sept. 1991                              5.63                       5.45                             7.35
Oct. 1991                               5.25                       5.21                             7.12
Nov. 1991                               4.94                       4.81                             6.90
Dec. 1991                               4.25                       4.43                             6.70
Jan. 1992                               4.19                       4.03                             6.07
Feb. 1992                               4.25                       4.06                             5.85
March 1992                              4.38                       3.98                             5.85
April 1992                              4.06                       3.73                             5.85
May 1992                                4.06                       3.82                             5.65
June 1992                               3.94                       3.76                             5.65
July 1992                               3.44                       3.25                             5.40
Aug. 1992                               3.56                       3.30                             5.30
Sept. 1992                              3.25                       3.22                             5.05
Oct. 1992                               3.56                       3.10                             5.05
Nov. 1992                               4.00                       3.09                             5.00
Dec. 1992                               3.44                       2.92                             5.25
Jan. 1993                               3.25                       3.02                             5.25
Feb. 1993                               3.25                       3.03                             5.00
March 1993                              3.25                       3.07                             5.00
April 1993                              3.19                       2.96                             5.00
May 1993                                3.38                       3.00                             5.00
June 1993                               3.31                       3.04                             5.00
July 1993                               3.31                       3.06                             5.10
Aug. 1993                               3.25                       3.03                             5.15
Sept. 1993                              3.38                       3.09                             5.25
Oct. 1993                               3.44                       2.99                             5.50
Nov. 1993                               3.50                       3.02                             5.50
Dec. 1993                               3.38                       2.96                             5.82
Jan. 1994                               3.25                       3.05                             5.41
Feb. 1994                               3.75                       3.25                             5.20
March 1994                              3.94                       3.34                             5.20
April 1994                              4.31                       3.56                             5.26
May 1994                                4.63                       4.01                             5.75
June 1994                               4.88                       4.25                             5.90
July 1994                               4.88                       4.26                             6.00
Aug. 1994                               5.00                       4.47                             6.40
Sept. 1994                              5.50                       4.73                             6.66
Oct. 1994                               5.63                       4.76                             7.24
Nov. 1994                               6.19                       5.29                             7.50
Dec. 1994                               6.50                       5.45                             8.00
Jan. 1995                               6.31                       5.86                             8.32

EV Prime Rate
Reserves: 8.32%
3-Month London
Interbank Offered
Rate: 6.31%
Federal Funds
Rate: 5.86%
</TABLE>

Chart shows  month-end  effective  yields  over the life of the Fund  (August 4,
1989,  to January 31,  1995).  The value and return of an investment in the Fund
will fluctuate with changes in market conditions so that shares,  when redeemed,
may be worth more or less than their  original  cost.  Past  performance  is not
indicative of future results. Sources: Eaton Vance Management, Bloomberg, L.P.
    
   
    See page 14 for a description  of bank CDs,  bank money market  accounts and
money market mutual funds.
    
   
    For the period  January  1, 1980  through  December  31,  1994 the  national
average  prime rate  exceeded the average yield of money market mutual funds and
the  average  yield of  3-month  bank  CDs.  Such  amounts  for each year are as
follows:
    
   
Average prime rate over money market        Average prime rate over 3-month
  funds:                                      bank CDs:
1980      2.46%     1988     2.20%           1980     3.80%     1988     1.21%
1981      1.99      1989     2.01            1981     5.09      1989     3.06
1982      2.63      1990     2.17            1982     3.53      1990     2.60
1983      2.22      1991     2.62            1983     1.58      1991     2.91
1984      2.00      1992     2.91            1984     3.15      1992     3.17
1985      1.68      1993     3.30            1985     2.05      1993     3.51
1986      1.89      1994     3.43            1986     2.41      1994     4.03
1987      2.08                               1987     0.95
    

Sources: Federal Reserve Bank,  Donoghue's Money Fund Averages, and Rate Gram
and The Wall Street Journal.

   
From time to time,  advertisements  and other material  furnished to present and
prospective  shareholders  may include  information on the history of the Fund's
net asset value per share.  From inception  through  December 31, 1994, the high
was $10.07 (on October 18, 1993) and the low was $9.95 (from  January 28 through
August 26, 1992). Such materials may include illustrations such as the following
chart:
    

This is a description for the Edgar filing of a line graph:
Relatively Stable Net Asset Value - Inception (8/4/89) through December 31, 1994
month end net asset value

          start                                                  10.00
          8/89                                                   10.00
          9/89                                                   10.00
          10/89                                                  10.00
          11/89                                                  10.00
          12/89                                                  10.00
          1/90                                                   10.00
          2/90                                                   10.00
          3/90                                                   10.00
          4/90                                                   10.00
          5/90                                                   10.00
          6/90                                                   10.00
          7/90                                                   10.00
          8/90                                                   10.00
          9/90                                                   10.00
          10/90                                                  10.00
          11/90                                                   9.99
          12/90                                                   9.97
          1/91                                                    9.96
          2/91                                                    9.96
          3/91                                                    9.96
          4/91                                                    9.96
          5/91                                                    9.96
          6/91                                                    9.96
          7/91                                                    9.96
          8/91                                                    9.96
          9/91                                                    9.96
          10/91                                                   9.96
          11/91                                                   9.96
          12/91                                                   9.96
          1/92                                                    9.95
          2/92                                                    9.95
          3/92                                                    9.95
          4/92                                                    9.95
          5/92                                                    9.95
          6/92                                                    9.95
          7/92                                                    9.95
          8/92                                                    9.96
          9/92                                                    9.99
          10/92                                                   9.98
          11/92                                                  10.00
          12/92                                                  10.02
          1/93                                                   10.02
          2/93                                                    9.99
          3/93                                                    9.97
          4/93                                                   10.00
          5/93                                                   10.02
          6/93                                                   10.03
          7/93                                                   10.02
          8/93                                                   10.04
          9/93                                                   10.05
          10/93                                                  10.03
          11/93                                                  10.03
          12/93                                                  10.03
          1/94                                                   10.03
          2/94                                                   10.03
          3/94                                                   10.00
          4/94                                                    9.99
          5/94                                                    9.99
          6/94                                                   10.00
          7/94                                                   10.00
          8/94                                                    9.96
          9/94                                                    9.96
          10/94                                                   9.97
          11/94                                                   9.97
          12/94                                                  10.02

   
                              OTHER INFORMATION
    The Fund is an organization  of the type commonly known as a  "Massachusetts
business  trust." Under  Massachusetts  law,  shareholders  of such a trust may,
under  certain  circumstances,  be held  personally  liable as partners  for the
obligations of the trust. The Fund's Declaration of Trust, as amended,  contains
an express  disclaimer  of  shareholder  liability in  connection  with the Fund
property or the acts,  obligations  or affairs of the Fund.  The  Declaration of
Trust  also  provides  for  indemnification  out of  the  Fund  property  of any
shareholder  held  personally  liable for the claims and  liabilities to which a
shareholder  may become subject by reason of being or having been a shareholder.
Thus,  the  risk  of a  shareholder  incurring  financial  loss  on  account  of
shareholder  liability is limited to  circumstances  in which the Fund itself is
unable to meet its  obligations.  The Fund has been  advised by its counsel that
the risk of any  shareholder  incurring any liability for the obligations of the
Fund is extremely remote.
    

   
    The Fund's  Declaration  of Trust  provides  that the  Trustees  will not be
liable for errors of judgment  or  mistakes  of fact or law;  but nothing in the
Declaration of Trust protects a Trustee against any liability to the Fund or its
shareholders  to which he would  otherwise  be  subject  by  reason  of  willful
misfeasance,  bad faith,  gross negligence,  or reckless disregard of the duties
involved in the conduct of his office.  Voting rights are not cumulative,  which
means that the holders of more than 50% of the shares voting for the election of
Trustees can elect 100% of the Trustees  and, in such event,  the holders of the
remaining  less than 50% of the shares  voting on the matter will not be able to
elect any Trustees. As permitted by Massachusetts law, there will normally be no
meetings of Fund  shareholders  for the purpose of electing  Trustees unless and
until such time as less than a majority of the Trustees holding office have been
elected by  shareholders.  In such an event,  the  Trustees  of the Fund then in
office will call a  shareholders'  meeting for the election of Trustees.  Except
for the foregoing circumstances,  the Trustees shall continue to hold office and
may appoint successor Trustees.
    
   
    The  Fund'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 Fund's custodian or
by votes cast at a meeting called for that purpose.  The by-laws further provide
that the Trustees of the Fund shall promptly call a meeting of the  shareholders
for the  purpose  of voting  upon a question  of removal of any such  Trustee or
Trustees  when  requested in writing so to do by the record  holders of not less
than 10 per centum of the outstanding shares.
    
    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  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  Declaration  of Trust of the  Portfolio  provides  that no person shall
serve as a Trustee if investors holding two-thirds of the outstanding  interests
have removed him from that office either by a written declaration filed with the
Portfolio's custodian or by votes cast at a meeting called for that purpose. The
Declaration  of Trust  further  provides that under  certain  circumstances  the
investors  may call a  meeting  to remove a Trustee  and that the  Portfolio  is
required to provide  assistance in  communicating  with  investors  about such a
meeting.
   
    The Fund's Prospectus and Statement of Additional Information do not contain
all of the information set forth in the Registration Statement that the Fund has
filed with the Securities  and Exchange  Commission.  The complete  Registration
Statement  may be obtained  from the  Securities  and Exchange  Commission  upon
payment of the fee prescribed by its Rules and Regulations.
    





<PAGE>

                             FINANCIAL STATEMENTS

                            SENIOR DEBT PORTFOLIO

                     STATEMENT OF ASSETS AND LIABILITIES
                               OCTOBER 25, 1994

ASSETS:
    Cash ......................................................         $100,010
    Deferred organization expenses ............................           26,207
                                                                        --------
        Total Assets ..........................................         $126,217
LIABILITIES:
    Accrued organization expenses .............................           26,207
                                                                        --------
Net assets ....................................................         $100,010
                                                                        --------
                                                                        --------
NOTES:
(1) Senior Debt Portfolio (the "Portfolio") was organized as a New York Trust on
    May 1, 1992 and has been  inactive  since  that  date,  except as to matters
    relating to its organization and registration as an investment company under
    the Investment  Company Act of 1940 and the sale of its interests therein at
    the  purchase  price of $100,000 to Boston  Management  and Research and the
    sale of  interests  therein  at the  purchase  price of $10 to  Eaton  Vance
    Management (the "Initial Interests").

(2) Organization expenses are being deferred and will be amortized on a straight
    line  basis  over a period  not  exceeding  five  years,  commencing  on the
    effective date of the  Portfolio's  initial  offering of its interests.  The
    amount paid by the Portfolio on any withdrawal by the holders of the initial
    interests of any of the  respective  Initial  Interests will be reduced by a
    portion  of  any  unamortized  organization  expenses,   determined  by  the
    proportion of the amount of the initial  interests  withdrawn to the Initial
    Interest then outstanding.

(3) At 4:00 p.m., New York City time, on each business day of the Portfolio, the
    value of an investor's  interest in the Portfolio is equal to the product of
    (i) the aggregate  net asset value of the  Portfolio  multiplied by (ii) the
    percentage  representing that investor's share of the aggregate  interest in
    the Portfolio effective for that day.

<PAGE>

                         INDEPENDENT AUDITORS' REPORT
To the Trustees and Investors of
  Senior Debt Portfolio:

    We have  audited the  accompanying  statement of assets and  liabilities  of
Senior Debt Portfolio (a New York trust) as of October 25, 1994.  This financial
statement is the responsibility of the Trust's management. Our responsibility is
to express an opinion on this financial statement based on our audit.

    We  conducted  our audit in  accordance  with  generally  accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable  assurance about whether the financial  statement is free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial  statement.  An audit also includes
assessing the  accounting  principles  used and  significant  estimates  made by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audit provides a reasonable basis for our opinion.

    In our opinion, such statement of assets and liabilities presents fairly, in
all material  respects,  the financial  position of Senior Debt  Portfolio as of
October 25, 1994 in conformity with generally accepted accounting principles.

                                                           DELOITTE & TOUCHE LLP

Boston, Massachusetts
October 26, 1994


<PAGE>
  <TABLE>
               ------------------------------------------------
                           PORTFOLIO OF INVESTMENTS
                              DECEMBER 31, 1994
  ---------------------------------------------------------------------------------------------
                          SENIOR, SECURED, FLOATING-RATE INTERESTS -- 99.9%
  ---------------------------------------------------------------------------------------------
  <CAPTION>
  PRINCIPAL
  AMOUNT                BORROWER/BUSINESS DESCRIPTION                              VALUE
  ---------------------------------------------------------------------------------------------
  <S>                   <C>                                                        <C>
                        AEROSPACE/DEFENSE -- 3.5%
                        TRACOR, INC.
 $10,000,000             Term loan, maturing February 28, 2001                     $ 10,000,000
                         Technical services to defense companies
                        VSI INDUSTRIES, INC.
  11,095,867             Term loan, maturing March 31, 1997                          11,095,867
                         Aerospace and specialty fasteners, and plastics           ------------
                           industry tooling systems
                                                                                   $ 21,095,867
                                                                                   ------------
                        AUTO PARTS -- 0.4%
                        STANADYNE AUTOMOTIVE CORP.
 $ 2,281,759             Term loan, maturing December 31, 1995                     $  2,281,759
                         Auto and light truck fuel injection equipment             ------------
                        BROADCAST MEDIA -- 1.1%
                        COAXIAL COMMUNICATIONS, INC.
 $ 7,000,000             Term loan, maturing December 31, 1999                     $  7,000,000
                         Cable television franchise                                ------------

                        BUILDING MATERIALS -- 6.3%
                        AMERICAN STANDARD, INC.
 $14,816,556             Term loan, maturing February 28, 2000                     $ 14,816,556
  10,000,000             Term loan, maturing February 28, 2001                       10,000,000
                         Bathroom and kitchen fixtures, air conditioning
                         systems and air brake controls
                        FORMICA CORP.
  14,000,000             Term loan, maturing October 21, 2001                        14,000,000
                         Household and commercial surfacing materials               -----------
                                                                                   $ 38,816,556
                                                                                   ------------
                        CHEMICALS -- 4.3%
                        FREEDOM CHEMICAL COMPANY
 $ 9,000,000             Term loan, maturing June 30, 2002                         $  9,000,000
                         Organic dyes, pigments, textile chemicals, and other
                         specialty chemicals
                        HARRIS SPECIALTY CHEMICALS, INC.
   5,739,695             Term loan, maturing December 31, 2001                     $  5,739,695
   1,594,959             Term loan, maturing December 31, 1999                        1,594,959
                         Construction chemicals
                        INDSPEC CHEMICAL CORP.
  10,000,000             Term loan, maturing December 2, 2000                        10,000,000
                         Resorcinol and other specialty chemical products          ------------
                                                                                   $ 26,334,654
                                                                                   ------------
<PAGE>
  ---------------------------------------------------------------------------------------------
                          SENIOR, SECURED, FLOATING-RATE INTERESTS (Continued)
  ---------------------------------------------------------------------------------------------
  PRINCIPAL
  AMOUNT                BORROWER/BUSINESS DESCRIPTION                              VALUE
  ---------------------------------------------------------------------------------------------
                        COMMERCIAL SERVICES -- 0.9%
                        DONNELLEY MARKETING, INC.
 $ 5,743,054             Term loan, maturing December 31, 1996                     $  5,743,054
                         Direct mail consumer promotions                          ------------ 

                       CONGLOMERATES -- 2.0%

                        SPALDING & EVENFLO COMPANIES, INC.
 $12,465,278             Term loan, maturing October 13, 2002                      $ 12,465,278
                         Sporting goods and infant products
                                                                                   ------------

                        CONTAINERS-METAL & GLASS -- 1.2%
                        SILGAN CORP.
 $ 7,637,022             Term loan, maturing September 15, 1996                    $  7,637,022
                         Metal and plastic packaging products                      ------------

                        CONTAINERS-PAPER -- 12.2%

                        IVEX PACKAGING CORP.
 $ 9,631,266             Term loan, maturing December 31, 1999                     $  9,631,266
   3,737,173              Term loan, maturing December 17, 1998                       3,737,173
                          Plastic and paper packaging products
                        JEFFERSON SMURFIT CORP.
  29,000,000             Term loan, maturing April 30, 2002                          29,000,000
                         Liner board and other paper board products
                        STONE CONTAINER CORP.
  32,000,000             Term loan, maturing April 1, 2000                           32,000,000
                         Commodity pulp, paper and packaging products              ------------
                                                                                   $ 74,368,439
                                                                                   ------------
                        ELECTRONICS-INSTRUMENTATION -- 5.2%

                        BERG ELECTRONICS, INC.
 $11,950,000             Term loan, maturing March 31, 2001                        $ 11,950,000
                         Electronic connectors
                        ELSAG BAILEY, INC.
  12,945,833             Term loan, June 25, 2002                                    12,945,833
                         Electronic process control systems
                        SPERRY MARINE, INC.
   6,741,463             Term loan, maturing December 31, 2000                        6,741,463
                         Marine navigational equipment
                                                                                   ------------
                                                                                   $ 31,637,296
                                                                                   ------------
<PAGE>
PORTFOLIO OF INVESTMENTS (Continued)
  ---------------------------------------------------------------------------------------------
                          SENIOR, SECURED, FLOATING-RATE INTERESTS (Continued)
  ---------------------------------------------------------------------------------------------
  PRINCIPAL
  AMOUNT                BORROWER/BUSINESS DESCRIPTION                              VALUE
  ---------------------------------------------------------------------------------------------
                        FOOD WHOLESALERS -- 3.7%
                        CATERAIR HOLDINGS CORP.
 $12,496,766             Term loan, maturing December 31, 1996                     $ 12,496,766
                         Food service to airlines
                        U.S. FOODSERVICE, INC.
   9,866,667             Term loan, maturing June 30, 2000                            9,866,667
                         Food distributor to businesses                            ------------
                                                                                   $ 22,363,433
                                                                                   ------------
                        FOODS -- 4.0%
                        ENVIRODYNE INDUSTRIES, INC.
 $13,335,000             Term loan, maturing December 31, 1999                     $ 13,335,000
                         Cellulosic and plastic based products for the food
                         industry
                        SPECIALTY FOODS CORP.
  11,326,275             Term loan, maturing August 31, 1999                         11,326,275
                         Bread and cheese products                                 ------------
                                                                                   $ 24,661,275
                                                                                   ------------
                        MANUFACTURING-DIVERSIFIED -- 8.1%
                        INTERLAKE CORP.
 $13,657,633             Term loan, maturing September 27, 1996                    $ 13,657,633
                         Engineered materials
                        INTERMETRO INDUSTRIES CORP.
   3,569,044             Term loan, maturing June 30, 2001                            3,569,044
   5,113,939             Term loan, maturing December 31, 2002                        5,113,939
                         Shelving
                        MOSLER, INC.
   1,944,879             Term loan, maturing June 1, 1998                             1,944,879
                         Safes, vaults, electronic security systems
                        THERMADYNE HOLDINGS CORP.
  14,495,438             Term loan, maturing February 1, 2001                        14,495,438
                         Cutting and welding products and floor cleaning
                         equipment
                        WATERS CORP.
   6,250,000             Term loan, maturing November 30, 2001                        6,250,000
   4,375,000             Term loan, maturing November 30, 2002                        4,375,000
                         Manufacturer of high performance liquid
                         chromatography instruments                                ------------
                                                                                   $ 49,405,933
                                                                                   ------------
<PAGE>
  ---------------------------------------------------------------------------------------------
                          SENIOR, SECURED, FLOATING-RATE INTERESTS (Continued)
  ---------------------------------------------------------------------------------------------
  PRINCIPAL
  AMOUNT                BORROWER/BUSINESS DESCRIPTION                               VALUE
  ---------------------------------------------------------------------------------------------
                        PAPER AND FOREST PRODUCTS -- 11.9%
                        FORT HOWARD CORP.
  $ 9,782,847            Term loan, maturing December 31, 1996                     $  9,782,847
    9,000,000            Senior Secured Notes, maturing September 11, 1998           19,000,000
   19,000,000            Senior Secured Notes, maturing September 11, 1999           19,000,000
                         Sanitary tissue paper products
                        SDW ACQUISITION CORP.
   25,000,000            Term loan, maturing December 30, 2002                       25,000,000
                         Largest U.S. producer of coated free paper                ------------
                                                                                   $ 72,782,847
                                                                                   ------------
                        PUBLISHING -- 6.6%
                        KRUEGER RINGIER, INC.
  $ 9,052,569            Term loan, maturing December 31, 1997                     $  9,052,569
    6,096,786            Term loan, maturing December 31, 1998                        6,096,786
                         Printers and binders of mass market and hardcover
                         books
                        ZIFF-DAVIS PUBLISHING COMPANY
   12,867,647            Term loan, maturing December 31, 2001                       12,867,647
   12,132,353            Term loan, maturing December 31, 2002                       12,132,353
                         Computer magazine and newspaper publications
                                                                                   ------------
                                                                                   $ 40,149,355
                                                                                   ------------
                        PUBLISHING-NEWSPAPERS -- 0.7%
                        AMERICAN MEDIA OPERATIONS, INC.
  $ 4,500,000            Term loan, maturing September 30, 2002                    $  4,500,000
                         Weekly periodical publisher                               ------------

                        RESTAURANTS -- 6.5%
                        AMERICA'S FAVORITE CHICKEN COMPANY
  $22,122,093            Term loan, maturing November 5, 1998                      $ 22,122,093
                         Church's Fried Chicken and Popeye's restaurants
                        LONG JOHN SILVER'S RESTAURANTS, INC.
   17,545,637            Term loan, maturing December 31, 1996                       17,545,637
                         Fish restaurants
                                                                                   ------------
                                                                                   $ 39,667,730
                                                                                   ------------
  <PAGE>
  PORTFOLIO OF INVESTMENTS (Continued)
  ---------------------------------------------------------------------------------------------
                          SENIOR, SECURED, FLOATING-RATE INTERESTS (Continued)
  ---------------------------------------------------------------------------------------------
  PRINCIPAL
  AMOUNT                BORROWER/BUSINESS DESCRIPTION                              VALUE
  ---------------------------------------------------------------------------------------------
                        RETAIL-SPECIALTY -- 3.9%
                        CAMELOT MUSIC, INC.
 $12,918,750             Term loan, maturing February 28, 2001                     $ 12,918,750
                         Music stores
                        GRIFFITH CONSUMERS COMPANY
   1,000,000             Term loan, maturing December 31, 2002                       11,000,000
                         Retail petroleum distributor
                        SPIRIT HOLDING CO., INC.<F1>
      80,039             Term loan, maturing June 13, 1997                               52,826
                         Do-it-yourself hardware stores
                                                                                   ------------
                                                                                   $ 23,971,576
                                                                                   ------------
                        RETAIL STORES-DRUG STORES -- 1.2%
                        DUANE READE, INC.
 $ 7,516,667             Term loan, maturing December 31, 1997                     $  7,516,667
                         Retail drug stores                                        ------------

                        RETAIL STORES-FOOD CHAINS -- 11.8%
                        CIRCLE K CORP.
 $ 4,983,333             Term loan, maturing July 31, 2001                         $  4,983,333
                         Convenience stores and gasoline retailer
                        PATHMARK STORES, INC.
  35,000,000             Term loan, maturing October 31, 1999                        35,000,000
                         Supermarket chain in mid-Atlantic states
                        RALPHS GROCERY COMPANY
  21,700,000             Term loan, maturing June 30, 1998                           21,700,000
                         Third largest supermarket chain in Southern
                         California
                        STAR MARKET COMPANY, INC.
   5,894,738             Term loan, maturing December 31, 2001                        5,894,738
   4,421,053             Term loan, maturing December 31, 2002                        4,421,053
                         Supermarket chain in Massachusetts
                                                                                   ------------
                                                                                   $ 71,999,124
                                                                                   ------------
                        TEXTILES -- 4.4%
                        BLACKSTONE CAPITAL COMPANY II, L.L.C.
 $ 5,000,000             Term loan, maturing January 13, 1997                      $  5,000,000
                         Automotive products, residential upholstery fabrics,
                         and wallcoverings
<PAGE>
 ---------------------------------------------------------------------------------------------
                          SENIOR, SECURED, FLOATING-RATE INTERESTS (Continued)
 ---------------------------------------------------------------------------------------------
 PRINCIPAL
 AMOUNT                BORROWER/BUSINESS DESCRIPTION                              VALUE
 ---------------------------------------------------------------------------------------------
                        LONDON FOG INDUSTRIES, INC.
 $12,000,000             Term loan, maturing June 30, 2001                        $ 11,760,000
   5,000,000             Term loan, maturing June 30, 2002                           4,900,000
                         Outerwear
                        WASSERSTEIN/C & A HOLDINGS, L.L.C.
   5,000,000             Term loan, maturing January 13, 1997                        5,000,000
                         Automotive products, residential upholstery fabrics,
                         and wallcoverings
                                                                                  ------------
                                                                                  $ 26,660,000
                                                                                  ------------
                        TOTAL LOAN INTERESTS (IDENTIFIED COST, $612,159,991)      $611,057,865
                                                                                  ------------

  --------------------------------------------------------------------------------------------
                                                STOCKS & WARRANTS -- 1.4%
  --------------------------------------------------------------------------------------------
  SHARES/
  WARRANTS              SECURITY                                               VALUE
  --------------------------------------------------------------------------------------------
      54,895            America's Favorite Chicken Company, 8%, Preferred Stock   $  4,035,899
      11,504            DM Holdings, Inc., Series A Warrants<F1><F2>                 3,555,311
       3,498            DM Holdings, Inc., Series B Warrants<F1><F2>                   648,634
                                                                                  ------------
                        TOTAL STOCKS & WARRANTS (IDENTIFIED COST, $4,168,518)     $  8,239,844
                                                                                  ------------
                        TOTAL INVESTMENTS (IDENTIFIED COST,
                          $616,328,509) --  101.3%                                $619,297,709
                        OTHER ASSETS, LESS LIABILITIES -- (1.3%)                    (7,710,191)
                                                                                  ------------
                        TOTAL NET ASSETS -- 100%                                  $611,587,518
                                                                                  ============

<FN>
<F1> Non-income producing security.
<F2> Restricted  Security  --  At  December  31,  1994,  the  Trust  owned  such
     securities  (constituting  0.7%  of net  assets)  which  were  not  readily
     marketable  at  such  date.  The  Trust  has  various  registration  rights
     (exercisable  under a  variety  of  circumstances)  with  respect  to these
     securities.  The fair values of these  securities  are  determined  in good
     faith under methods or procedures authorized by the Trustees.
  Note:  The description of the principal business for each security set forth
         above is unaudited.
</TABLE>
                       See notes to financial statements
<PAGE>

<TABLE>
                        ------------------------------------------------
                                      FINANCIAL STATEMENTS
                               STATEMENT OF ASSETS AND LIABILITIES
  ----------------------------------------------------------------------------------------------
<CAPTION>
                                          December 31, 1994
  ----------------------------------------------------------------------------------------------
<S>                                                                <C>              <C>
  ASSETS:
    Investments, at value (Note 1A) (identified cost, $616,328,509)                 $619,297,709
    Cash                                                                               9,397,820
    Receivable for investments sold                                                    2,937,034
    Receivable for Trust shares sold                                                   2,430,988
    Interest receivable                                                                4,598,880
    Prepaid expenses                                                                     658,407
                                                                                    ------------
          Total assets                                                              $639,320,838
  LIABILITIES:
    Notes Payable                                                  $20,403,169
    Distributions payable                                            2,833,076
    Deferred facility fee income (Note 1B)                           4,243,777
    Accrued interest expense on notes payable                          123,649
    Trustees' fees payable                                               5,059
    Custodian fee payable                                               10,000
    Accrued expenses                                                   114,590
                                                                   -----------
          Total liabilities                                                           27,733,320
                                                                                    ------------
  NET ASSETS for 61,040,057 shares of beneficial interest outstanding               $611,587,518
                                                                                    ============
  SOURCES OF NET ASSETS:
    Paid-in capital                                                                 $614,489,902
    Accumulated undistributed net realized gain (loss) on investment
      transactions (computed on the basis of identified cost)                         (5,893,284)
    Unrealized appreciation of investments (computed on the basis of
      identified cost)                                                                 2,969,200
    Undistributed net investment income                                                   21,700
                                                                                    ------------
          Total                                                                     $611,587,518
                                                                                    ============
  NET ASSET VALUE PER SHARE (NOTE 6)
    ($611,587,518 / 61,040,057 shares of beneficial interest)                        $10.02
                                                                                      =====
</TABLE>

                       See notes to financial statements
<PAGE>


<TABLE>
                                     STATEMENT OF OPERATIONS
                -----------------------------------------------------------------
<CAPTION>
                              For the year ended December 31, 1994
  ----------------------------------------------------------------------------------------------
<S>                                                                <C>               <C>
  INVESTMENT INCOME (NOTE 1B):
    Interest income                                                                  $46,031,176
    Facility fees earned                                                               3,266,632
                                                                                     -----------
            Total income                                                             $49,297,808
  EXPENSES:
    Investment advisory fee (Note 4)                               $ 6,116,870
    Administration fee (Note 4)                                      1,609,703
    Compensation of Trustees not members of the Investment
      Adviser's organization                                            20,587
    Custodian fee (Note 4)                                             278,996
    Interest expense                                                 1,299,638
    Legal and accounting services                                      548,473
    Transfer and dividend disbursing agent fees                        497,078
    Printing and postage                                               282,964
    Registration costs                                                 242,252
    Amortization of organization expenses                              125,138
    Miscellaneous                                                      580,215
                                                                   -----------
            Total expenses                                                            11,601,914
                                                                                     -----------
                  Net investment income                                              $37,695,894
  REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS:
    Net realized gain on investment transactions                   $ 6,890,227
    Decrease in unrealized appreciation of investments              (7,115,207)
                                                                   -----------
      Net realized and unrealized loss on investments                                   (224,980)
                                                                                     -----------
        Net increase in net assets from operations                                   $37,470,914
                                                                                     ===========
</TABLE>
                       See notes to financial statements
<PAGE>

<TABLE>
                                   STATEMENT OF CASH FLOWS
  ------------------------------------------------------------------------------------------
<CAPTION>
                            For the year ended December 31, 1994
  ------------------------------------------------------------------------------------------
  <S>                                                                         <C>
  INCREASE (DECREASE) IN CASH:
  CASH FLOWS FROM (FOR) OPERATING ACTIVITIES --
      Purchase of Loan Interests                                              $(375,884,709)
      Proceeds from sales and principal repayments                              438,605,296
      Interest received                                                          44,425,826
      Facility fees received                                                      3,202,537
      Interest paid                                                              (1,175,989)
      Operating expenses paid                                                   (10,176,219)
                                                                             --------------
        Net cash provided by operating activities                             $  98,996,742
                                                                             --------------
  CASH FLOWS FROM (FOR) FINANCING ACTIVITIES --
      Proceeds from shares sold                                               $  57,625,779
      Payments for shares reacquired in tender offers                          (149,902,946)
      Cash distributions paid (excluding reinvestments of distributions
        of $18,665,751)                                                         (18,120,929)
      Payments made upon maturity of commercial paper                          (246,048,739)
      Proceeds from issuance of commercial paper                                248,470,683
                                                                              -------------
        Net cash used for financing activities                                $(107,976,152)
                                                                              -------------
          Net decrease in cash                                                $  (8,979,410)
  CASH AT BEGINNING OF YEAR                                                      18,377,230
                                                                              -------------
  CASH AT END OF YEAR                                                         $   9,397,820
                                                                              =============

  RECONCILIATION OF NET INCREASE IN NET ASSETS FROM
    OPERATIONS TO NET CASH FROM OPERATING ACTIVITIES:
      Net increase in net assets from operations                              $  37,470,914
      Increase in receivable for investments sold                                (2,512,664)
      Increase in interest receivable                                            (1,520,750)
      Decrease in commitment fees receivable                                         14,814
      Decrease in prepaid expenses                                                  203,267
      Decrease in deferred organization expenses                                    125,138
      Decrease in deferred facility fee income                                     (247,182)
      Decrease in payable to affiliates                                             (38,126)
      Decrease in accrued expenses and other liabilities                            (40,573)
      Net decrease in investments                                                65,541,904
                                                                              -------------
        Net cash provided by operating activities                             $  98,996,742
                                                                              =============

</TABLE>
                              See notes to financial statements
<PAGE>

<TABLE>

                              STATEMENTS OF CHANGES IN NET ASSETS
 ----------------------------------------------------------------------------------------------
                                                                    YEAR ENDED DECEMBER 31,
                                                             ----------------------------------
                                                                 1994                1993
                                                             -------------      ---------------
<S>                                                          <C>                <C>
 Increase (Decrease) in Net Assets:
   From operations --
     Net investment income                                    $ 37,695,894      $   43,598,541
     Net realized gain (loss) on investment transactions         6,890,227         (12,203,678)
     Change in unrealized appreciation (depreciation) of
       investments                                              (7,115,207)         13,261,884
                                                              ------------      --------------
       Net increase in net assets from operations             $ 37,470,914      $   44,656,747
                                                              ------------      --------------
   Distributions to shareholders (Note 2) --
     From net investment income                               $(37,695,894)     $  (44,592,169)
     In excess of net investment income                           (281,944)          --
     In excess of net realized gain on investment
       transactions                                              --                   (165,896)
                                                              ------------      --------------
       Total distributions to shareholders                    $(37,977,838)     $  (44,758,065)
                                                              ------------      --------------
   Transactions in shares of beneficial interest (Note 3) --
     Proceeds from sales of shares                            $ 59,869,598      $   20,789,439
     Net asset value of shares issued to shareholders in
       payment of distributions declared                        18,665,751          21,943,704
     Cost of shares reacquired in tender offers               (149,834,588)       (370,244,501)
                                                              ------------      --------------
       Decrease in net assets from Trust share
         transactions                                         $(71,299,239)     $ (327,511,358)
                                                              ------------      --------------
             Net decrease in net assets                       $(71,806,163)     $ (327,612,676)
 NET ASSETS:
   At beginning of year                                        683,393,681       1,011,006,357
                                                              ------------      --------------
   At end of year (including undistributed net
     investment income of $21,700
     and $303,643, respectively)                              $611,587,518      $  683,393,681
                                                              ============      ==============
</TABLE>
                               See notes to financial statements

<PAGE>

<TABLE>

                             FINANCIAL HIGHLIGHTS
  ----------------------------------------------------------------------------------------------------------------------------
<CAPTION>
                                                                     YEAR ENDED DECEMBER 31,
                                     -----------------------------------------------------------------------------------------
                                         1994               1993               1992                1991               1990
                                     ------------        -----------        -----------         -----------        -----------
<S>                                  <C>                 <C>                <C>                 <C>                <C>
  PER SHARE OPERATING
  PERFORMANCE:
   Net asset value and market
    value --
    Beginning of year                    $  10.03           $  10.02           $   9.96            $   9.97           $  10.00
                                     ------------        -----------        -----------         -----------        -----------
   Income from Investment
    Operations:
    Net investment income                $ 0.5966           $ 0.4970           $ 0.5415            $ 0.7500           $ 0.9505
    Net realized and unrealized
     gain (loss) on investments           (0.0059)            0.0258             0.0575             (0.0035)<F1>       (0.0305)
                                     ------------        -----------        -----------         -----------        -----------
        Total income from
          investment operations          $ 0.5907           $ 0.5228           $ 0.5990            $ 0.7465           $ 0.9200
                                     ------------        -----------        -----------         -----------        -----------
   Less Distributions:
    From net investment income          $ (0.5966)         $ (0.5110)         $ (0.5296)          $ (0.7522)         $ (0.9500)
    In excess of net investment
     income                               (0.0041)           --                 --                  --                 --
    From net realized gain on
     investments                          --                 --                 (0.0094)            (0.0043)           --
    In excess of net realized
     gain on investment
     transactions                         --                 (0.0018)           --                  --                 --
                                     ------------        -----------        -----------         -----------        -----------
        Total distributions             $ (0.6007)         $ (0.5128)         $ (0.5390)          $ (0.7565)         $ (0.9500)
                                     ------------        -----------        -----------         -----------        -----------
   Net asset value and market value --
    End of year                          $  10.02           $  10.03           $  10.02            $   9.96           $   9.97
                                     ============        ===========        ===========         ===========        ===========
  TOTAL INVESTMENT RETURN<F2>                6.1%               5.3%               6.2%                7.8%               9.6%
                                     ============        ===========        ===========         ===========        ===========
  RATIOS (as a percentage of average daily net
   assets)<F3>:
   Operating expenses                       1.63%              1.55%              1.44%               1.37%              1.43%
   Interest expense                         0.21%              0.22%              0.18%               0.16%            --
   Net investment income                    5.95%              4.98%              5.33%               7.42%              9.48%
  SUPPLEMENTAL DATA:
   Net Assets, End of Year (000
    omitted)                             $611,588           $683,393         $1,011,006          $1,694,332         $2,095,692
   Portfolio Turnover                         60%                37%                26%                 16%                43%
   Number of Shares Outstanding
    at End of Year (000 omitted)           61,040             68,165            100,877             170,032            210,285

</TABLE>

                                               See notes to financial statements

<PAGE>

<TABLE>

                             FINANCIAL HIGHLIGHTS
 --------------------------------------------------------------------------------------------------------------------------
<CAPTION>

LEVERAGE ANALYSIS:
 BORROWINGS FROM ISSUANCE       AMOUNT OF DEBT       AVERAGE DAILY BALANCE     AVERAGE WEEKLY BALANCE     AVERAGE AMOUNT OF
 OF COMMERCIAL PAPER:           OUTSTANDING AT        OF DEBT OUTSTANDING      OF SHARES OUTSTANDING       DEBT PER SHARE
 YEAR ENDED                       END OF YEAR            DURING YEAR                DURING YEAR              DURING YEAR
 ------                        ----------------      ---------------------     ----------------------     -----------------
<S>                            <C>                    <C>                      <C>                     <C>   
 December 31, 1991               $    --                  $34,893,000             189,758,055                    $0.1839
 December 31, 1992               $39,764,710              $37,304,000             132,343,142                    $0.2819
 December 31, 1993               $17,981,224              $24,585,000              85,859,000                    $0.2863
 December 31, 1994               $20,403,169              $10,236,000              63,465,000                    $0.1613

  ---------
</TABLE>

<F1> The per  share  amount  is not in  accordance  with  the net  realized  and
     unrealized  gain for the  period  because  of the  timing of sales of Trust
     shares and the amount of per share realized and unrealized gains and losses
     at such time.

<F2> Total investment 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.  Dividends and distributions,  if any, are assumed to
     be reinvested at the net asset value on the payable date.

<F3> For the year ended December 31, 1991, the expenses related to the operation
     of the Trust were reduced by a reduction of the  investment  advisory  fee.
     Had such action not been taken, the ratios would have been as follows:

                                                               YEAR ENDED
                                                              DECEMBER 31,
                                                                 1991
                                                             ------------
 RATIOS (as a percentage of average daily net assets):
     Operating expenses                                          1.40%
     Interest expense                                            0.16%
     Net investment income                                       7.39%





                       See notes to financial statements
<PAGE>

               ------------------------------------------------
                        NOTES TO FINANCIAL STATEMENTS
 ----------------------------------------------------------------------------
(1) SIGNIFICANT ACCOUNTING POLICIES
The Trust is an entity of the type commonly known as a Massachusetts business
trust and is registered under the Investment Company Act of 1940, as amended,
as a non-diversified closed-end management investment company. The following
is a summary of significant accounting policies consistently followed by the
Trust in the preparation of its financial statements. The policies are in
conformity with generally accepted accounting principles.

A. INVESTMENT VALUATION - The Trust's investments in interests in loans (Loan
Interests) are valued at fair value by the Trust's administrator, Eaton Vance
Management, under procedures established by the Trustees as permitted by
Section 2(a)(41) of the Investment Company Act of 1940. Such procedures
include the consideration of relevant factors, data and information relating
to fair value, including (i) the characteristics of and fundamental analytical
data relating to the Loan Interest, including the cost, size, current interest
rate, period until next interest rate reset, maturity and base lending rate of
the Loan Interest, the terms and conditions of the loan and any related
agreements and the position of the loan in the borrower's debt structure; (ii)
the nature, adequacy and value of the collateral, including the Trust's
rights, remedies and interests with respect to the collateral; (iii) the
creditworthiness of the borrower, based on evaluations of its financial
condition, financial statements and information about the borrower's business,
cash flows, capital structure and future prospects; (iv) information relating
to the market for the Loan Interest including price quotations for and trading
in the Loan Interests and interests in similar loans and the market
environment and investor attitudes towards Loan Interests and interests in
similar loans; (v) the reputation and financial condition of the agent bank
and any intermediate participant in the loan; and (vi) general economic and
market conditions affecting the fair value of the Loan Interest. Other
portfolio securities (other than short-term obligations, but including listed
issues) may be valued on the basis of prices furnished by one or more pricing
services which determine prices for normal, institutional-sized trading units
of such securities using market information, transactions for comparable
securities and various relationships between securities which are generally
recognized by institutional traders. In certain circumstances, portfolio
securities will be valued at the last sales price on the exchange that is the
primary market for such securities, or the last quoted bid price for those
securities for which the over-the-counter market is the primary market or for
listed securities in which there were no sales during the day. The value of
interest rate swaps will be determined in accordance with a discounted present
value formula and then confirmed by obtaining a bank quotation. Short-term
obligations which mature in sixty days or less are valued at amortized cost,
if their original term to maturity when acquired by the Trust was 60 days or
less, or are valued at amortized cost using their value on the 61st day prior
to maturity, if their original term to maturity when acquired by the Trust was
more than 60 days, unless in each case this is determined not to represent
fair value. Repurchase agreements are valued at cost plus accrued interest.
Other portfolio securities for which there are no quotations or valuations are
valued at fair value as determined in good faith by or on behalf of the
Trustees.

<PAGE>
- ------------------------------------------------------------------------------
B. INCOME - Interest income from Loan Interests is recorded on the accrual
basis at the then-current interest rate, while all other interest income is
determined on the basis of interest accrued, adjusted for amortization of
premium or discount when required for federal income tax purposes. Facility
fees received are recognized as income over the expected term of the loan.

C. FEDERAL TAXES - The Trust's policy is to comply with the provisions of the
Internal Revenue Code applicable to regulated investment companies and to
distribute to shareholders all of its taxable income, including any net
realized gain on investments. Accordingly, no provision for federal income or
excise tax is necessary. At December 31, 1994, the Trust, for federal income
tax purposes, had a capital loss carryover of $5,893,284 which will reduce the
amount of the distributions to shareholders which would otherwise be necessary
to relieve the Trust of any liability for federal income or excise tax. Such
capital loss carryover will expire on December 31, 2001.

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

(2) DISTRIBUTIONS TO SHAREHOLDERS
The net investment income of the Trust is determined daily, and substantially
all of the net investment income so determined is declared daily as a dividend
to shareholders of record at the time of declaration. Such daily dividends
will be paid monthly. Distributions of realized capital gains, if any, are
made at least annually. Shareholders may reinvest capital gain distributions
in additional shares of the Trust at the net asset value as of the ex-dividend
date. Distributions are paid in the form of additional shares of the Trust or,
at the election of the shareholder, in cash. The Trust distinguishes between
distributions on a tax basis and a financial reporting basis. Generally
accepted accounting principles require that only distributions in excess of
tax basis earnings and profits be reported in the financial statements as a
return of capital. Differences in the recognition or classification of income
between the financial statements and tax earnings and profits which result in
over-distributions for financial statement purposes only are classified as
distributions in excess of net investment income or accumulated net realized
gains. Permanent differences between book and tax accounting relating to
distributions are reclassified to paid-in capital. The tax treatment of
distributions for the calendar year will be reported to shareholders prior to
February 1, 1995 and will be based on tax accounting methods which may differ
from amounts determined for financial statement purposes.
<PAGE>
- ------------------------------------------------------------------------------
(3) SHARES OF BENEFICIAL INTEREST
The Declaration of Trust permits the Trustees to issue an unlimited number of
full and fractional shares of beneficial interest (without par value). The
Trust may from time to time, at its discretion, make tender offers at net
asset value for the purchase of all or a portion of its shares. The price
will be established at the close of business on the last day the
tender offer is open. (An early withdrawal charge will be imposed on most
shares accepted for tender which have been held less than four years.) (See
Note 6.) The Trustees approved tender offers for the periods from January 14,
1994 to February 11, 1994, from April 18, 1994 to May 16, 1994, from July 18,
1994 to August 12, 1994, from October 21, 1994 to November 18, 1994 and from
January 23, 1995 to February 17, 1995. Transactions in Trust shares were as
follows:
                                                     YEAR ENDED DECEMBER 31,
                                                  ---------------------------
                                                     1994             1993
                                                  ---------         ---------
 Sales                                            5,996,851         2,074,916
 Issued to shareholders electing to receive 
   payments of distributions in Trust shares      1,868,329         2,190,350
 Reacquired in tender offers                    (14,990,693)      (36,976,837)
                                                 ----------         ---------
           Net decrease                          (7,125,513)      (32,711,571)
                                                 ==========        ==========
- ------------------------------------------------------------------------------

(4) INVESTMENT ADVISORY AND ADMINISTRATION FEES AND OTHER TRANSACTIONS WITH
    AFFILIATES
The investment advisory fee was earned by Eaton Vance Management (EVM) as
compensation for investment advisory services rendered to the Trust. The fee is
computed at the monthly rate of 19/240 of 1% (0.95% per annum) of the Trust's
average daily gross assets up to and including $1 billion and at reduced rates
as daily gross assets exceed that level. For the year ended December 31, 1994,
the effective annual rate, based on average daily gross assets, was 0.95%
(annualized). An administration fee, computed at the monthly rate of 1/48 of 1%
(0.25% per annum) of the Trust's average daily gross assets, was also paid to
EVM for managing and administering business affairs of the Trust. Except as to
Trustees of the Trust who are not members of EVM's organization, officers and
Trustees receive remuneration for their services to the Trust out of such
investment advisory fee. Investors Bank & Trust Company (IBT), an affiliate of
EVM, serves as custodian of the Trust. Pursuant to the custodian agreement, IBT
receives a fee reduced by credits which are determined based on average daily
cash balances the Trust maintains with IBT. Certain of the officers and Trustees
of the Trust are officers and directors/trustees of the above organizations.

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

(5) INVESTMENTS

The Trust invests primarily in Loan Interests. The ability of the issuers of the
Loan Interests to meet their obligations may be affected by economic
developments in a specific industry. The cost of purchases and the proceeds from
principal repayments and sales of Loan Interests for the year ended December 31,
1994 aggregated $375,595,829 and $439,402,249, respectively.

<PAGE>

- ------------------------------------------------------------------------------
(6) EARLY WITHDRAWAL CHARGE
Eaton Vance Distributors, Inc. (EVD), a subsidiary of EVM, serves as the
Trust's principal underwriter. EVD compensates authorized dealers for sales
commissions at a rate of 2 1/2% of the purchase price of shares purchased
through such dealers. EVD also pays additional compensation to each dealer
equal to .25% per annum of the value of Trust shares sold by such dealer that
are outstanding for more than one year. An early withdrawal charge to recover
distribution expenses will be charged to redeeming shareholders and paid to
EVD in connection with most shares held for less than four years which are
accepted by the Trust for repurchase pursuant to tender offers. The early
withdrawal charge is imposed at declining rates that begin at 3% in the case
of redemptions in the first year after purchase, declining to 2.5%, 2%, 1% and
0% in the second, third and fourth year and thereafter, respectively. The
early withdrawal charge will be imposed on those shares accepted for tender,
the value of which exceeds the aggregate value at the time the tender is
accepted of: (a) all shares in the account purchased more than four years
prior to such acceptance, (b) all shares in the account acquired through
reinvestment of distributions, and (c) the increase, if any, in value of all
other shares in the account (namely those purchased within the four years
preceding the acceptance) over the purchase price of such shares. In
determining whether an early withdrawal charge is payable, it is assumed that
the acceptance of a repurchase offer is made from the earliest purchase of
shares. The total early withdrawal charges received by EVD for the year ended
December 31, 1994 amounted to $423,222.
- ------------------------------------------------------------------------------
(7) SHORT-TERM DEBT AND CREDIT AGREEMENTS
The Trust participates with other funds managed by EVM in a $120 million
unsecured line of credit agreement with a bank. The line of credit consists of
a $20 million committed facility and a $100 million discretionary facility.
Borrowings will be made by the Trust solely to facilitate the handling of
unusual and/or unanticipated short-term cash requirements. Interest is charged
to each fund based on its borrowings at an amount above either the bank's
adjusted certificate of deposit rate, a variable adjusted certificate of
deposit rate, or a federal funds effective rate. In addition, a fee computed
at an annual rate of  1/4 of 1% on the $20 million committed facility and on
the daily unused portion of the $100 million discretionary facility is
allocated among the participating funds at the end of each quarter. The Trust
did not have any significant borrowings or allocated fees under this agreement
during the period.

   The Trust has also entered into a revolving credit agreement, that will
allow the Trust to borrow an additional $245 million to support the issuance
of commercial paper and to permit the Trust to invest in accordance with its
investment practices. Interest is charged under the revolving credit agreement
at the bank's base rate or at an amount above either the bank's adjusted Libor
rate or adjusted certificate of deposit rate. Interest expense includes a
commitment fee of approximately $612,500 which is computed at the annual rate
of 1/4 of 1% on the unused portion of the revolving credit agreement. There
were no borrowings under this agreement during the period. As of December 31,
1994, the Trust had $20,403,169 in commercial paper outstanding with an annual
weighted interest rate of 6.0%. The maximum amount of commercial paper
outstanding at any month end and average borrowings for the year ended
December 31, 1994 were $46,288,000 and $10,236,000, respectively, and the
average interest rate was 5.11%.
- ------------------------------------------------------------------------------
(8) FEDERAL INCOME TAX BASIS OF INVESTMENT SECURITIES
The cost and unrealized appreciation/depreciation in the value of investments
owned at December 31, 1994, as computed on a federal income tax basis, were as
follows:

Aggregate cost                                                    $616,328,509
                                                                   ===========
Gross unrealized appreciation                                     $  4,203,945
Gross unrealized depreciation                                        1,234,745
                                                                   -----------
  Net unrealized appreciation                                     $  2,969,200
                                                                   ===========

<PAGE>


                         INDEPENDENT AUDITORS' REPORT
      -----------------------------------------------------------------
To the Trustees and Shareholders of
  Eaton Vance Prime Rate Reserves:

We have audited the accompanying statement of assets and liabilities,
including the portfolio of investments, of Eaton Vance Prime Rate Reserves as
of December 31, 1994, and the related statements of operations and cash flows
for the year then ended, the statement of changes in net assets for the years
ended December 31, 1994 and 1993, and the financial highlights for each of the
years in the five-year period ended December 31, 1994. These financial
statements and financial highlights are the responsibility of the Trust's
management. Our responsibility is to express an opinion on these financial
statements and financial highlights based on our audits.


We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to
obtain reasonable assurance about whether the financial statements and
financial highlights are free of material misstatement. An audit includes
examining, on a test basis, evidence supporting the amounts and disclosures in
the financial statements. Our procedures included confirmation of securities
and Loan Interests owned at December 31, 1994, by correspondence with the
custodian and selling or agent banks; where replies were not received from
selling or agent banks, we performed other auditing procedures. An audit also
includes assessing the accounting principles used and significant estimates
made by management, as well as evaluating the overall financial statement
presentation. We believe that our audits provide a reasonable basis for our
opinion.

In our opinion, such financial statements and financial highlights present
fairly, in all material respects, the financial position of Eaton Vance Prime
Rate Reserves at December 31, 1994, the results of its operations and its cash
flows, the changes in its net assets and its financial highlights for the
respective stated periods in conformity with generally accepted accounting
principles.

As discussed in Note 1A, the financial statements include Loan Interests and
certain other securities held by Eaton Vance Prime Rate Reserves valued at
$619,297,709 (101.3% of net assets of the Trust), which values are fair values
determined by the Trust's administrator in the absence of actual market
values. Determination of fair value involves subjective judgment, as the
actual market value of a particular Loan Interest or Security can be
established only by negotiation between the parties in a sales transaction. We
have reviewed the procedures established by the Trustees and used by the
Trust's administrator in determining the fair values of such Loan Interests
and securities and have inspected underlying documentation, and in the
circumstances, we believe that the procedures are reasonable and the
documentation appropriate.


                                                 DELOITTE & TOUCHE LLP

Boston, Massachusetts
February 8, 1995


<PAGE>
                                                                      APPENDIX A


EATON VANCE

MUTUAL FUNDS



                * EATON VANCE
                  PRIME RATE RESERVES

                * EV CLASSIC SENIOR 
                  FLOATING-RATE FUND




                [Photo of a fountain pen, pair of eyeglasses
                 and a laptop computer resting on the financial
                 pages of a newspaper.]







<PAGE>

THE EATON VANCE SENIOR FLOATING-RATE FUNDS

- ------------------------       - EATON VANCE PRIME RATE RESERVES
EATON VANCE NOW OFFERS          
TWO FUNDS INVESTING IN A       - EATON CLASSIC SENIOR FLOATING-RATE FUND
PORTFOLIO OF SENIOR
FLOATING-RATE LOANS...         Using the patented Hub & Spoke Registration Mark
                               structure, Eaton Vance is able to offer a wide 
                               variety of investors efficient access to a single
                               portfolio of senior floating-rate loans made by 
                               major U.S. banks and other financial 
                               institutions to large corporate customers.

                               DESIGNED FOR INVESTORS SEEKING...
- ------------------------
OBJECTIVE: TO PROVIDE          - HIGH CURRENT MONTHLY INCOME
AS HIGH A LEVEL OF
CURRENT INCOME AS                Each Fund's goal is to provide investors with
IS CONSISTENT WITH               an effective (compound) yield that maintains a
CAPITAL PRESERVATION...          favorable spread over other short-term 
                                 alternatives. The Portfolio invests primarily
                                 in floating-rate loans, with rates that keep a
                                 fixed spread over widely accepted base rates, 
                                 such as the London Interbank Offered Rate or 
                                 the U.S. average prime rate. Please see a Fund
                                 prospectus and page 8 of this brochure for 
                                 more information.
      
                               - CAPITAL PRESERVATION   
                        
                                 A portfolio of senior, floating-rate loans can
                                 help protect an investor's purchasing power 
                                 against the eroding effects of inflation. 
                                 Higher inflation rates usually result in 
                                 higher interest rates. Unlike investments that
                                 pay a fixed income, the Portfolio's 
                                 floating-rate loans generate income that 
                                 resets as interest rates change.

                               - RELATIVELY STABLE NET ASSET VALUE

                                 The Portfolio invests primarily in senior, 
                                 floating-rate loans made to corporations, 
                                 whose interest rates are adjusted regularly to
                                 move with current rates. While the Funds' net 
                                 asset values will fluctuate, this investment 
                                 strategy is expected to minimize such 
                                 fluctuations in response to changes in 
                                 interest rates. However, a default in a loan 
                                 in which the Portfolio owns an interest, a 
                                 material deterioration of a borrower's
                                 creditworthiness, or a sudden or extreme
                                 increase in prevailing interest rates may
                                 cause a decline in each Fund's share value.


                                     - 2 -


<PAGE>

- ----------------------
TENDER OFFERS ARE MADE         - LIQUIDITY THROUGH TENDER OFFERS
AT NET ASSET VALUE...
                                 To accommodate shareholders' liquidity needs, 
                                 the Funds' Trustees intend to consider 
                                 quarterly the making of a tender offer for all
                                 or a portion of outstanding shares at net 
                                 asset value. Although there can be no
                                 assurance that the Funds will tender for their
                                 shares every quarter, such offers have been 
                                 made in each quarter since Eaton Vance Prime 
                                 Rate Reserves began operations on August 4, 
                                 1989. EV Classic Senior Floating-Rate Fund, 
                                 introduced in 1995, will follow the same 
[PHOTO]                          tender offer procedures.*
  
                               - NO INITIAL SALES CHARGE
                                                  
                                 Every dollar invested starts earning dividends
                                 as soon as the account is opened. The minimum 
                                 initial investment in Eaton Vance Prime Rate 
                                 Reserves or EV Classic Senior Floating-Rate 
                                 Fund is only $5,000 ($2,000 for Individual 
                                 Retirement Accounts). Additions to the account
                                 ($50 or more) may be made at any time.*


                               Eaton Vance Prime Rate Reserves and EV Classic 
                               Senior Floating-Rate Fund are continuously 
                               offered, closed-end funds, registered under the 
                               Investment Company Act of 1940. Using the Hub 
                               ("Portfolio") & Spoke ("Funds") structure, both
                               invest in the Senior Debt Portfolio, a separate 
                               investment company with an identical investment 
                               objective to that of the Funds. The Portfolio 
                               invests primarily in "loan interests" - portions
                               of senior, floating-rate loans made by U.S. 
                               banks and other financial institutions to large 
                               corporate customers.  


                               * Shares repurchased by the Fund may be subject 
                                 to an early withdrawal charge (please see a 
                                 prospectus for details).

                               ----------------------------------------------
                               Fund shares are not insured by the FDIC and are 
                               not deposits or other obligations of, or 
                               guaranteed by, any depository institution. 
                               Shares are subject to investment risks, including
                               possible loss of principal invested.


                                     - 3 -


<PAGE>

COMMONLY ASKED QUESTIONS 
ABOUT THE FUNDS' STRUCTURE

- --------------------     WHY AREN'T THE FUNDS 'OPEN-END' FUNDS?
'CONTINUOUSLY
OFFERED, CLOSED-         Loans, in which the Funds' Portfolio invests, are not
END' FUNDS...            considered "liquid securities," and an open-end fund, 
                         by law, must invest at least 85 percent of its assets 
                         in liquid securities. The Funds are designed, 
                         therefore, as continuously offered, closed-end funds.

                         HOW DOES A CONTINUOUSLY OFFERED,
                         CLOSED-END FUND OPERATE?

[Photo]                  "Continuously offered" means that shares of either
                         Fund may be purchased at 100 percent of their net 
                         asset value on any business day. Because the Funds
                         are "closed-end," however, withdrawals are handled 
                         differently than in a traditional, open-end fund. 
                         Shares may be redeemed quarterly, by means of a
                         "tender offer," in which the Funds repurchase shares 
                         from shareholders at 100 percent of net asset value.
                         (Shares repurchased by the Funds may be subject to an
                         early withdrawal charge. See a prospectus for details.)

                         WHY DON'T FUND SHARES TRADE ON A NATIONAL
                         EXCHANGE, LIKE OTHER CLOSED-END FUNDS?

                         Eaton Vance believes that the Funds better meet 
                         shareholders' needs for liquidity by having 
                         non-listed shares. These can be redeemed at 100 percent
                         of net asset value on a quarterly basis, rather than 
                         listed shares that may be sold daily, but at a 
                         fluctuating discount or premium to net asset value.

- --------------------     HOW ARE TENDER OFFERS MADE?
Tender offers
provide liquidity...     The Trustees intend to consider quarterly the making 
                         of a tender offer for all or a portion of outstanding 
                         shares at net asset value. Although there can be no 
                         assurance that the Funds will tender for their shares 
                         every quarter, it has been and continues to be the 
                         policy of the Trustees to do so. Eaton Vance Prime 
                         Rate Reserves began operations on August 4, 1989. 
                         Tender offers have been made in every quarter since 
                         that Fund's inception, and all shares tendered by 
                         shareholders were redeemed.


                                     - 4 -


<PAGE>

                        HOW DO THE FUNDS MEET TENDER OFFERS WITHOUT
                        DISADVANTAGING EXISTING SHAREHOLDERS?

                        The Portfolio has five sources of liquidity which 
                        generate cash to meet redemptions:

                           - Ordinary cash on hand

                           - Scheduled quarterly interest income on loans

                           - Scheduled quarterly principal payments on loans

                           - Contractually required principal prepayments on 
                             loans

                           - A borrowing program that allows the Portfolio to 
                             issue over $100 million of short-term, 
                             investment-grade commercial paper.

                        Therefore, the Portfolio can remain fully invested on a
                        consistent basis, despite quarterly tender offers.

                        ARE THERE EXCHANGE OPTIONS?

                        In the case of Eaton Vance Prime Rate Reserves, 
                        shareholders may elect to exchange tendered shares for 
                        shares of certain EV Marathon Funds. An exchange option
                        may be available for EV Classic Senior Floating-Rate 
                        Fund. Please ask your financial adviser or see a 
                        prospectus for more information.

                        CAN THE FUNDS BE USED FOR QUALIFIED RETIREMENT PLANS?

                        Shares of both Funds may be purchased in connection 
                        with pension and profit-sharing plans, Individual 
                        Retirement Accounts (IRAs), and 403(b) retirement 
                        plans. Please see a prospectus for more information 
                        about any of these services.

                        WHAT ARE THE FUNDS' MINIMUM INVESTMENTS?

                        - The minimum initial investment in either Fund is 
                          $5,000 ($2,000 for IRAs).  Shareholders can add to 
                          their accounts on any business day, in amounts of $50
                          or more.
[Photo]
                        - Dividends are paid monthly and may be taken in cash 
                          or reinvested in additional shares at net asset value.

                        - The Funds also offer bank draft investing, where 
                          regular additional investments may be made directly 
                          from a bank checking account (minimum $50 per month 
                          or quarter).


                                     - 5 -


<PAGE>

COMMERCIAL LOANS ARE AN IMPORTANT
PART OF THE U.S. DEBT MARKETS

- -----------------------
LOANS REPRESENT A               The $5.1 trillion U.S. debt market is composed
$300 BILLION MARKET...          of several types of instruments, including: 
                                Treasury obligations, corporate debt and 
                                mortgages.  Loans made by banks to commercial 
                                and industrial borrowers represent a $300 
                                billion slice of this market. 

                                ----------------------------------------------
                                <TABLE>
                                THE U.S. DEBT MARKET ($ billions)
                                <CAPTION>
                                Instrument             Percentages      Amount
                                ----------             -----------      ------
                                <S>                       <C>           <C>
                                U.S. Treasuries            44%          $2,250
                                Corporate bonds            29%          $1,480
                                Mortgages                  21%          $1,100
                                Senior secured loans        6%          $  300
                                
                                <FN>
                                Data as of 9/30/94. Sources: Bloomberg, L.P.,
                                and Eaton Vance Management.
                                </TABLE>
                                ----------------------------------------------

- -----------------------         According to Standard & Poor's, there are fewer
BANK LOANS ARE A WIDELY         than 800 companies in the U.S. that issue 
USED METHOD OF RAISING          investment-grade bonds. These usually issue 
CORPORATE CASH...               short-term commercial paper as well. Generally,
                                high-grade issuers have higher creditworthiness
                                than high-yield issuers, and their obligations 
                                have a lower risk of default. Thousands of 
                                other U.S. companies - which have unrated or
                                non-investment-grade bonds - turn to the banks 
                                for loans.

                                ----------------------------------------------
                                <TABLE>
                                HOW CORPORATIONS RAISE CAPITAL
                                <CAPTION>
                                High-grade                          High-yield
                                ----------                          ----------
                                <S>                              <C>
                                                                      Senior
                                Commercial                       floating-rate
                                   paper                              loans

                                High-grade                          High-yield
                                   bonds                              bonds

                                Equities                            Equities

                                </TABLE>
                                ----------------------------------------------
 
                                Over the past five years, commercial banks, in 
                                turn, have increasingly permitted large, 
                                sophisticated institutional investors, such as 
                                Eaton Vance's Senior Debt Portfolio, to acquire
                                interests in loans banks have made. Selling
                                pieces of loans allows banks to originate new 
                                loans, and to maintain a more diversified loan 
                                portfolio. Today, the making and selling of 
                                large corporate loans can be compared to the 
                                underwriting and syndication of bonds, despite
                                the sharp differences between loans and bonds.

                                     - 6 -
<PAGE>

FLOATING-RATE LOANS MAY OFFER 
MANY ADVANTAGES TO INVESTORS

                                <TABLE>
                                -----------------------------------------------------------------------
                                HOW FLOATING-RATE LOANS DIFFER FROM FIXED-RATE BONDS

                                                        FLOATING-RATE LOANS     FIXED-RATE BONDS
                                                        -------------------     ----------------
                                                             
                                <S>                         <C>                    <C>
                                Claim on assets               Senior                 Subordinated

                                Collateral                   Secured               Unsecured or secured

                                Rate paid                    Floating                      Fixed

                                Principal repayment         Amortizing             At call or maturity

                                -----------------------------------------------------------------------
                                </TABLE>

- -------------------             BORROWERS SIGN BINDING CONTRACTS CALLED 
LOANS ARE SENIOR...             CREDIT AGREEMENTS

                                Loans are typically the most senior source of 
                                capital in a borrower's capital structure. By a
                                contract, called the "Credit Agreement," senior
                                loans have the highest priority of claim on a 
                                borrower's cash flow. Although a borrower may
                                have other debt obligations, these may be 
                                junior, unsecured and/or subordinated debts. In
                                addition, a Credit Agreement may contain legal 
                                covenants governing how the borrower must 
                                operate. Tough covenants can include 
                                prohibitions on additional debt, mergers, or 
                                sales of assets.

- -------------------             BORROWERS PLEDGE COLLATERAL 
...SECURED...                            
                                <TABLE>
                                -------------------------------------------------------------------------------------
                                <CAPTION>
                                LOAN COLLATERAL CAN INCLUDE...
                                <S>                       <C>                      <C>                   <C>           
                                Working capital           Tangible fixed           Intangible                Security
                                  assets...                  assets...              assets...            interests... 
                                                                          
                                  [PHOTO]                    [PHOTO]                 [PHOTO]                [PHOTO]

                                ...Accounts               ...Real property          ...Trademarks         ...Stock in
                                receivable and               buildings and             and patents        company and
                                inventory                       equipment                                subsidiaries

                                -------------------------------------------------------------------------------------
                                </TABLE>

                                Loans also typically have all of the borrower's
                                assets pledged as collateral to secure the 
                                debt, an additional incentive for the borrower 
                                to meet its obligations. Nonetheless, a decline
                                in the value of collateral could cause a loan 
                                to be substantially unsecured. When collateral 
                                consists of stock alone, the Portfolio will be 
                                subject to the risk of decline in the stock's 
                                value, and to other risks associated with 
                                investments in equity securities. (The
                                Portfolio can invest up to 20 percent of its 
                                assets in other short-term debt obligations and
                                unsecured loans.)

                                     -7-
<PAGE>
- -----------------------         LOAN RATES ADJUST AS INTEREST RATES CHANGE 
...FLOATING-RATE...             
                                The value of floating-rate loans is generally 
                                not affected by changes in interest rates. 
                                Under a Credit Agreement, the corporate 
                                borrower agrees to borrow at a rate that 
                                "floats," keeping a fixed spread over a widely 
                                accepted benchmark, and fluctuating as the base
                                rate moves. Two frequently used base rates are:

                                - The LONDON INTERBANK OFFERED RATE (LIBOR), 
                                  used by banks worldwide as a base for loans 
                                  to large commercial and industrial companies.
                                  Most of the Portfolio's loans have interest 
                                  rates based on LIBOR. 

                                - The PRIME RATE, the rate U.S. banks use as a 
                                  base for a wide range of loans to individuals
                                  and mid-size and small businesses. This base 
                                  rate is infrequently used for loans to 
                                  multi-million-dollar corporations. 

                                LIBOR is generally quoted for 30-, 60- and 
                                90-day periods, whereas the prime rate is 
                                quoted for an overnight period. 

- -----------------------         REPAYMENT FEATURE REDUCES INVESTOR'S CREDIT 
...AND AMORTIZING...            EXPOSURE

                                Loans generally require that principal be 
                                repaid over the life of the loan. The 
                                self-amortizing schedule of loans is an 
                                important reason that a loan investor quickly 
                                builds a growing cash balance. By comparison, 
                                bonds have subordinated claims on a borrower's 
                                cash flow, and the principal is only repaid at 
                                or near maturity. The cash flow provided by the
                                loans reduces the overall level of credit 
                                exposure to the borrower and allows the 
                                investor to reinvest the cash in another loan.

- -----------------------         SECONDARY MARKET FOR LOANS HAS GROWN RAPIDLY
LIKE BONDS, LOANS               Another important element of liquidity is the
ARE NOW TRADED IN               fast-growing secondary market trading of loans
THE SECONDARY MARKET...         among commercial banks, investment banks, loan 
                                funds and other institutional investors. 
                                Trading volume in 1994 exceeded $20 billion,
                                according to Loan Pricing Corporation.

                                All of the largest commercial banks and many of
                                the largest investment banks have fully staffed
                                trading desks focused exclusively on loans. 
                                These include such banks as Chase Manhattan, 
                                Chemical Bank, Bankers Trust and Citibank, and 
                                such investment banks as Goldman Sachs, Lehman 
                                Bros., Merrill Lynch and C.S. First Boston.

                                     -8-


<PAGE>

MANAGING RISKS

                            Like any investment, floating-                   
                            rate loans do carry specific         [PHOTO]        
                            risks.  The features of floating-
                            rate loans and Eaton Vance's
                            active management are designed to 
                            minimize credit, interest rate and 
                            foreign exchange risks.

- -------------------         
CREDIT RISK. . .            'DEFAULT' DOESN'T ALWAYS RESULT IN A LOSS

                            When difficulties arise in a borrower's
                            operations, provisions of the Credit Agreement may
                            be broken, commonly called a "default." A default
                            often can be remedied quickly - without loss of
                            principal or delay of interest payments - or may
                            lead to a worsened situation for a borrower. If a
                            borrower defaults on the Credit Agreement governing
                            its loans, usually it also has defaulted on its
                            bonds.The frequency of defaults relates to the
                            creditworthiness of the borrower and to the general
                            level of economic activity - in recessions, the
                            frequency of defaults rises across all parts of the
                            capital market.

                            WHAT'S MORE, COLLATERAL CAN REDUCE SEVERITY OF
                            LOSSES      
                            Once a situation has worsened to the
                            point at which the lender, such as the Portfolio,
                            feels the loan's value is impaired or has not been
                            paid as agreed, a loss is recognized. The severity
                            of the loss is generally lower for loans than
                            bonds, because loans are senior to bonds and are
                            normally secured by collateral.

- -----------------------
INTEREST RATE RISK. . .     'FLOATING RATES' MEAN MINIMAL INTEREST RATE RISK

                            Unlike fixed-rate bonds, the value of
                            floating-rate loans is generally not affected by
                            changes in interest rates because loans' rates
                            reset regularly to maintain a fixed spread over
                            LIBOR or another specific base rate. The interest
                            rate sensitivity of the Portfolio is normally less
                            than 60 days. In contrast, while long-term bond
                            funds may offer higher yields than a portfolio of
                            floating-rate loans, they generally measure their
                            duration in terms of years.

- ------------------------
FOREIGN EXCHANGE RISK. .    U.S. DOLLAR-DENOMINATED MEANS NO FOREIGN EXCHANGE 
                            RISK


                            By investing exclusively in dollar-denominated
                            debt obligations of U.S.-based companies, an
                            investor in loans can be fully insulated from moves
                            in the foreign currency market. Although permitted
                            by prospectus to invest up to 5 percent of its
                            asset in foreign loans, the Portfolio's management
                            has not done so, and does not anticipate buying
                            foreign loans in the foreseeable future.

                                     -9-

<PAGE>
THE EATON VANCE PORTFOLIO

- ---------------------------
BOTH EATON VANCE FUNDS      To manage the Senior Debt Portfolio, Eaton
INVEST IN THE               Vance has established a clearly articulated 
SENIOR DEBT PORTFOLIO. . .  process for investing in loans, working down 
                            from a $300 billion universe of loans to an 
                            approximately $600 million portfolio (as 
                            of December 31, 1994).
<TABLE>                     
<CAPTION>                   
                            ------------------------------------------------------------------------
                            EATON VANCE SCREENS, ANALYZES, SELECTS AND 
                            CONSTRUCTS
                            <S>                                 <C>                                
                            SCREEN . . .                        Loan universe:  $300 billion       
                              REVIEW AND EXCLUDE                                                    
                                                                     
                            ANALYZE . . .                       Generally acceptable: $150 billion 
                              FUNDAMENTAL RESEARCH                                                  
                                                                     
                            SELECT . . .                        Meets criteria: $6 billion         
                              RISK/RETURN ASSESSMENT                                                
                                                                     
                            CONSTRUCT . . .                     Purchase: $0.6 billion             
                              BROAD SPECTRUM OF CREDITS                                             
                            
                            ------------------------------------------------------------------------
</TABLE>                    

- -------------------------
PORTFOLIO EXAMPLES . . .    The following are examples of borrowers whose
                            loans were in the Senior Debt Portfolio as of
                            January 31, 1995, including percentage of the
                            Portfolio's total net assets that each represented.

                            - American Standard, Inc. - One of the largest
                              manufacturers of plumbing products and of air
                              conditioning systems, with American Standard and
                              Trane brand names (4.0%).

                            - Formica Corp. - A major manufacturer of
                              laminates, under the Formica brand name (2.2%).

                            - Jerrico, Inc. - Operates the popular-priced
                              Long John Silver's seafood restaurants (2.8%).

                            - Pathmark Stores - A leading supermarket chain
                              in the metropolitan New York and Philadelphia 
                              areas (5.6%).

                            - Silgan Corp. - Primary food packager for
                              companies such as DelMonte and Nestle (1.2%).

                            - Spalding and Evenflo Companies - Manufacturer
                              of Spalding sports equipment and Evenflo baby and
                              juvenile products (2.0%).
                                
                            - Specialty Foods Corp. - Produces and
                              distributes food products such as Mother's 
                              cookies, Stella bread products and Guggenheimer 
                              pickles (1.8%).

                            - Stone Container Corp. - An industry leader in
                              the production of container board, corrugated
                              containers, kraft paper and paper bags (5.1%).
PLEASE SEE YOUR 
FINANCIAL ADVISER
FOR INFORMATION ON
THE PORTFOLIO'S
CURRENT HOLDINGS.
                                    - 10 -
<PAGE>

WHY INVEST WITH EATON VANCE?

- ----------------------
A BOSTON TRADITION          Eaton Vance Management and its 
SINCE 1924...               predecessor companies - Eaton & Howard, 
                            and Vance Sanders - have been managing 
                            assets ofindividuals and institutions 
                            since 1924. Eaton Vance currently          
                            manages over $15 billion in assets 
                            for more than 150 mutual funds, whose 
                            investment objectives range
                            from tax free and taxable income to  
                            maximum capital appreciation, as well         
                            as individual and institutional accounts for   
                            retirement plans, pension funds and endowments.  
                            As the investment picture has changed over the past
                            seven decades, Eaton Vance has remained focused  on
                            fundamental research. Eaton Vance is one of the 
                            pioneers in professionally managing portfolios of
                            senior, floating-rate loans, with over $600 million
                            under management at December 31, 1994.


                                                                    [Photo]
                                                              Jeffrey S. Garner
                                                              Portfolio Manager

- ----------------------
A SUCCESSFUL TRACK          The tradition of fundamental research led the
RECORD IN LOANS SINCE       firm to establish and build one of the country's
1989. . .                   largest teams of investment professionals
                            exclusively dedicated to the management of senior,
                            floating-rate loans. Eaton Vance's unique team
                            includes former commercial bank lending officers and
                            investment bank corporate finance officers.
                            Complementing their years of experience, the Senior
                            Debt Portfolio also uses the services of leading
                            law and accounting firms in the research, analysis
                            and management process. 

- ----------------------
ASK YOUR INVESTMENT         FOR MORE COMPLETE INFORMATION ABOUT EATON VANCE
ADVISER IF EATON            PRIME RATE RESERVES, EV CLASSIC SENIOR
VANCE'S SENIOR              FLOATING-RATE FUND, OR ANY OTHER EATON VANCE FUND,
FLOATING-RATE FUNDS         INCLUDING DISTRIBUTION PLANS, CHARGES AND EXPENSES,
ARE RIGHT FOR YOU!          PLEASE WRITE OR CALL YOUR FINANCIAL ADVISER FOR A
                            PROSPECTUS. READ THE PROSPECTUS(ES) CAREFULLY
                            BEFORE YOU INVEST OR SEND MONEY.


                                     -11-


<PAGE>





[PHOTO]                 Eaton Vance Distributors, Inc.
                        24 Federal Street
                        Boston, MA 02110


30903 - 2/95                                                            SF/PRCB


<PAGE>
INVESTMENT ADVISER OF
SENIOR DEBT PORTFOLIO
Boston Management and Research
24 Federal Street
Boston, MA 02110

ADMINISTRATOR OF
EATON VANCE PRIME RATE RESERVES
Eaton Vance Management
24 Federal Street
Boston, MA 02110

PRINCIPAL UNDERWRITER
Eaton Vance Distributors, Inc.
24 Federal Street
Boston, MA 02110
(800) 225-6265

CUSTODIAN
Investors Bank & Trust Company
24 Federal Street
Boston, MA 02110

TRANSFER AGENT
The Shareholder Services Group, Inc.
BOS725
P.O. Box 1559
Boston, MA 02104
(800) 262-1122

AUDITORS
Deloitte & Touche LLP
125 Summer Street
Boston, MA 02110

BANKING COUNSEL
Mayer, Brown & Platt
787 Seventh Avenue
New York, NY 10019


EATON VANCE
PRIME RATE RESERVES
24 FEDERAL STREET
BOSTON, MA 02110 


PRSAI


[LOGO]



EATON VANCE
PRIME RATE RESERVES


STATEMENT OF
ADDITIONAL
INFORMATION
FEBRUARY 22, 1995



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