EATON VANCE PRIME RATE RESERVES
N-2, 1997-04-24
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<PAGE>
   
    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON APRIL 24, 1997
                                                     1933 ACT FILE NO.
                                                     1940 ACT FILE NO. 811-05808
================================================================================
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549

                                   FORM N-2

                            REGISTRATION STATEMENT
                                    UNDER
                          THE SECURITIES ACT OF 1933              [X]
                         PRE-EFFECTIVE AMENDMENT NO.              [ ]
                         POST-EFFECTIVE AMENDMENT NO.             [ ]
                                    AND/OR
                            REGISTRATION STATEMENT
                                    UNDER
                      THE INVESTMENT COMPANY ACT OF 1940          [X]
                               AMENDMENT NO. 16                   [X]
                       (CHECK APPROPRIATE BOX OR BOXES)

                         EATON VANCE PRIME RATE RESERVES
               --------------------------------------------------
               (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)

                 24 FEDERAL STREET, BOSTON, MASSACHUSETTS 02110
                 ----------------------------------------------
                    (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)

        REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE (617) 482-8260
        -----------------------------------------------------------------

                                 ALAN R. DYNNER
                 24 FEDERAL STREET, BOSTON, MASSACHUSETTS 02110
                 ----------------------------------------------
                     (NAME AND ADDRESS OF AGENT FOR SERVICE)

                APPROXIMATE DATE OF PROPOSED PUBLIC OFFERING:
 As soon as practicable after this Registration Statement becomes effective.

    If any of the securities being registered on this Form will be offered on
a delayed or continuous basis in reliance on Rule 415 under the Securities Act
of 1933, other than securities offered in connection with a dividend
reinvestment plan, check the following box. [X]

<TABLE>
<CAPTION>
                CALCULATION OF REGISTRATION FEE UNDER THE SECURITIES ACT OF 1933
=========================================================================================================
                                          AMOUNT      PROPOSED MAXIMUM  PROPOSED MAXIMUM    AMOUNT OF
         TITLE OF SECURITIES               BEING       OFFERING PRICE      AGGREGATE       REGISTRATION
           BEING REGISTERED             REGISTERED        PER UNIT       OFFERING PRICE        FEE
- ---------------------------------------------------------------------------------------------------------
<S>                                     <C>                <C>            <C>              <C>        
Common Shares of Beneficial Interest    100,000,000        $9.99          $999,000,000     $302,727.27
=========================================================================================================
</TABLE>

    The Registrant hereby amends this Registration Statement on such date or
dates as may be necessary to delay its effective date until the Registrant
shall file a further amendment which specifically states that this
Registration Statement shall thereafter become effective in accordance with
Section 8(a) of the Securities Act of 1933 or until the Registration Statement
shall become effective on such date as the Commission, acting pursuant to said
Section 8(a), may determine.

    Senior Debt Portfolio has also executed this Registration Statement.
================================================================================
    
<PAGE>
                       EATON VANCE PRIME RATE RESERVES

                            CROSS REFERENCE SHEET
                          ITEMS REQUIRED BY FORM N-2
                          --------------------------

PART A
ITEM NO.           ITEM CAPTION                       PROSPECTUS CAPTION
- --------           ------------                       ------------------
 1. .............  Outside Front Cover          Cover Page
 2. .............  Inside Front and Outside     Cover Pages
                     Back Cover Page
 3. .............  Fee Table and Synopsis       Shareholder and Fund Expenses
 4. .............  Financial Highlights         The Fund's Financial
                                                  Highlights
 5. .............  Plan of Distribution         How to Buy Fund Shares; The
                                                  Lifetime Investing Account/
                                                  Distribution Options
 6. .............  Selling Shareholders         Not Applicable
 7. .............  Use of Proceeds              Valuing Fund Shares;
                                                  Investment Policies and
                                                  Risks
 8. .............  General Description of the   Organization of the Fund and
                     Registrant                   the Portfolio
 9. .............  Management                   Management of the Fund and the
                                                  Portfolio
10. .............  Capital Stock, Long-Term     Organization of the Fund and
                     Debt, and Other              the Portfolio; Valuing Fund
                     Securities                   Shares; Management of the
                                                  Fund and the Portfolio
11. .............  Defaults and Arrears on      Not Applicable
                     Senior Securities
12. .............  Legal Proceedings            How the Fund and the Portfolio
                                                  Invest their Assets
13. .............  Table of Contents of the     Table of Contents of the
                     Statement of Additional      Statement of Additional
                     Information                  Information

PART B                                                   STATEMENT OF
ITEM NO.           ITEM CAPTION                 ADDITIONAL INFORMATION CAPTION
- --------           ------------                 ------------------------------
14. .............  Cover Page                   Cover Page
15. .............  Table of Contents            Table of Contents
16. .............  General Information and      General Information and
                     History                      History; Other Information
17. .............  Investment Objective and     Additional Information about
                     Policies                     Investment Policies;
                                                  Investment Restrictions
18. .............  Management                   Trustees and Officers;
                                                  Investment Advisory and
                                                  Other Services
19. .............  Control Persons and          Control Persons and Principal
                     Principal Holders of         Holders of Shares
                     Securities
20. .............  Investment Advisory and      Investment Advisory and Other
                     Other Services               Services
21. .............  Brokerage Allocation and     Portfolio Trading
                     Other Practices
22. .............  Tax Status                   Taxes
23. .............  Financial Statements         Financial Statements
<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 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 BY 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 9.
    

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 is designed to provide you with information you should know
before investing. Please retain this document for future reference. A Statement
of Additional Information dated May 1, 1997 for the Fund, as supplemented from
time to time, has been filed with the Securities and Exchange Commission (the
"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. (the "Principal
Underwriter"), 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.
- ------------------------------------------------------------------------------

   
<TABLE>
<CAPTION>
                               PRICE TO PUBLIC             SALES LOAD(2)              PROCEEDS TO FUND
                               ---------------             -------------              ----------------
<S>                             <C>                 <C>                                <C>
Per Share(1) ...............        $9.99                      None                         $9.99
Total ......................    $5,002,000,000      None to be paid by the Fund        $5,002,000,000
- ----------
(1) The shares are offered on a best efforts basis at a price equal to the net asset value, which,
    as of April 21, 1997, was $9.99 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".
</TABLE>

- ------------------------------------------------------------------------------
                        EATON VANCE DISTRIBUTORS, INC.
                         PROSPECTUS DATED MAY 1, 1997
    

- ----------
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 the 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
  INVESTMENT POLICIES AND RISKS ................................            6
  YIELD AND PERFORMANCE INFORMATION ............................           12
  ORGANIZATION OF THE FUND AND THE PORTFOLIO ...................           12
  MANAGEMENT OF THE FUND AND THE PORTFOLIO .....................           14
  VALUING FUND SHARES ..........................................           16
  HOW TO BUY FUND SHARES .......................................           16
  TENDER OFFERS TO PURCHASE SHARES .............................           18
  EARLY WITHDRAWAL .............................................           19
  REPORTS TO SHAREHOLDERS ......................................           21
  THE LIFETIME INVESTING ACCOUNT/DISTRIBUTION OPTIONS ..........           21
  EATON VANCE SHAREHOLDER SERVICES .............................           21
  DISTRIBUTION AND TAXES .......................................           22
  TABLE OF CONTENTS OF THE STATEMENT OF ADDITIONAL INFORMATION .           24
- ------------------------------------------------------------------------------
    
<PAGE>

SHAREHOLDER AND FUND EXPENSES
- ------------------------------------------------------------------------------

  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)        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                                              0.91%
  Interest Payments on Borrowed Funds                                  0.04
  Other Expenses (including administration fees of .25%)               0.44
                                                                       ----
      Total Annual Expenses                                            1.39%
                                                                       ====

  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:        $44         $64         $76         $167
  An investor would pay the
    following expenses on the
    same investment, assuming
    (a) 5% annual return and
    (b) no tenders:                $14         $44         $76         $167
    

NOTES:

   
The table and Example summarize the aggregate expenses of the Fund and the
Portfolio and are designed to help investors understand the costs and expenses
they will bear, directly or indirectly, by investing in the Fund. Information
for the Fund is based on its expenses for the most recent fiscal year.

The Example should not be considered a representation of past or future expenses
since future expenses may be greater or less than those shown. Federal
regulations require the Example to assume a 5% annual return, but actual return
will vary. For further information regarding the expenses of the Fund and the
Portfolio, see "The Fund's Financial Highlights", "Management of the Fund and
the Portfolio", "How to Buy Fund Shares" and "Tender Offers to Purchase Shares".

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 distributions and (c) any appreciation in value of other shares
in the account (see "Tender Offers to Purchase Shares").

The Investment Advisory and Administration Fees are based upon a percentage of
the Portfolio's average daily gross assets, which were approximately the same as
its average daily net assets for the fiscal year ended December 31, 1996.

The Fund invests exclusively in the Portfolio. Other investment companies and
investors with different distribution arrangements are investing in the
Portfolio and others may do so in the future. See "Organization of the Fund and
the Portfolio".
    
<PAGE>

THE FUND'S FINANCIAL HIGHLIGHTS
- ------------------------------------------------------------------------------

   
The following information should be read in conjunction with the audited
financial statements that appear in the Fund's annual report to shareholders.
The Fund's financial statements have been audited by Deloitte & Touche LLP,
independent certified public accountants, as experts in accounting and auditing.
The financial statements and the independent auditors' report are incorporated
by reference into the Statement of Additional Information. Further information
regarding the performance of the Fund is contained in its Fund's annual report
to shareholders which may be obtained without charge by contacting the Principal
Underwriter.

 <TABLE>
 <CAPTION>

- -----------------------------------------------------------------------------------------------------------------------------------
                                                                YEAR ENDED DECEMBER 31,
                         --------------------------------------------------------------------------------------------------------
                             1996           1995         1994          1993          1992         1991          1990       1989(A)
                             ----           ----         ----          ----          ----         ----          ----        ------
<S>                        <C>           <C>          <C>           <C>           <C>          <C>          <C>         <C>
PER SHARE OPERATING
  PERFORMANCE:
Net asset value --
    Beginning of year      $  10.01      $  10.02     $  10.03      $  10.02      $   9.96     $   9.97     $  10.00    $  10.00
                            -------       -------      -------   -----------     ---------    ---------     --------    --------

Income from Investment
Operations:
    Net investment
      income(d)            $ 0.6837      $ 0.7694     $ 0.5966      $ 0.4970      $ 0.5415     $ 0.7500     $ 0.9505    $ 0.3535
    Net realized and
      unrealized gain
      (loss) on
      investments           (0.0208)       0.0112      (0.0059)       0.0258        0.0575     (0.0035)(b)   (0.0305)      --
                            -------       -------      -------   -----------     ---------    ---------     --------    --------
      Total income
        from
        investment
        operations         $ 0.6629      $ 0.7806     $ 0.5907      $ 0.5228      $ 0.5990     $ 0.7465     $ 0.9200    $ 0.3535
                            -------       -------      -------   -----------     ---------    ---------     --------    --------

Less Distributions:
    From net
investment income          $(0.6829)    $ (0.7695)   $ (0.5966)    $ (0.5110)    $ (0.5296)   $ (0.7522)   $ (0.9500)  $ (0.3535)
    In excess of net
      investment
      income(j)              --            --          (0.0041)       --            --           --            --          --
    From net realized
      gain on
      investments            --           (0.0211)       --           --           (0.0094)     (0.0043)       --          --
    In excess of net
      realized gain on
      investments(j)         --            --            --          (0.0018)       --           --            --          --
                            -------       -------      -------   -----------     ---------    ---------     --------    --------
      Total
        distributions      $(0.6829)     $(0.7906)    $(0.6007)     $(0.5128)     $(0.5390)    $(0.7565)    $(0.9500)   $(0.3535)
                            -------       -------      -------   -----------     ---------    ---------     --------    --------
Net asset value and
  market value --
    End of year            $   9.99      $  10.01     $  10.02      $  10.03      $  10.02     $   9.96     $   9.97    $  10.00
                           ========      ========     ========      ========      ========     ========     ========    ========
TOTAL INVESTMENT
RETURN(c)                     6.84%          8.1%         6.1%          5.3%          6.2%         7.8%         9.6%        3.6%

RATIOS (as a
percentage of average
 daily net assets)(e):
    Operating expenses(d)     1.35%         1.45%        1.63%         1.55%         1.44%        1.37%        1.43%       1.30%)(i)
    Interest expense(d)       0.04%         0.03%(h)     0.21%         0.22%         0.18%        0.16%        --          --
    Net investment
      income                  6.81%         7.57%        5.95%         4.98%         5.33%        7.42%        9.48%       8.52%)(i)

SUPPLEMENTAL DATA:
    Net Assets, End of
      Year (000 omitted) $1,611,735    $1,092,186     $611,588      $683,393    $1,011,006   $1,694,332   $2,095,692  $1,751,363
    Portfolio turnover(f)       --             5%          60%           37%           26%          16%          43%         18%
    Number of Shares
      Outstanding at
      End of Year (000
      omitted)              161,297       109,108       61,040        68,165       100,877      170,032      210,285     175,136
    
<PAGE>

THE FUND'S FINANCIAL HIGHLIGHTS -- CONTINUED
- -----------------------------------------------------------------------------------------------------------------------------------
LEVERAGE ANALYSIS:
Borrowings by the Fund from issuance of commercial paper:

       

<CAPTION>
                                                                         AVERAGE WEEKLY
                                                    AVERAGE DAILY            BALANCE
                               AMOUNT OF DEBT           BALANCE            OF SHARES         AVERAGE AMOUNT OF
                               OUTSTANDING AT     OF DEBT OUTSTANDING      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
     December 31, 1995(g)        $   --               $ 9,688,000           62,118,000            $0.1560

   
(a) For the period from the start of business, August 4, 1989, to December 31, 1989.
(b) 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.
(c) 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. Distributions, if any, are assumed to be reinvested at the net asset value on the
    payable date.
(d) Includes the Fund's share of the Portfolio's allocated expenses for the year ended December 31, 1996 and for the period from
    February 22, 1995 to December 31, 1995.
(e) 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(a)
                                                                                                 -------------  -------------
  <S>                                                                                                <C>          <C>
  RATIOS (as a percentage of average daily net assets):
      Operating expenses                                                                             1.40%        1.34%(i)
      Interest expense                                                                               0.16%          --
      Net investment income                                                                          7.39%        8.48%(i)

(f) Portfolio Turnover represents the rate of portfolio activity for the period while the Fund was making investments directly in
    securities. The portfolio turnover for the period since the Fund transferred substantially all of its investable assets to the
    Portfolio is shown in the Portfolio's financial statements which are included in the Fund's annual report to shareholders.
(g) The Leverage Analysis is for the period January 1, 1995 to February 21, 1995, when the Fund transferred the Commercial Paper
    program to the Portfolio.
(h) Interest expense is for the period from January 1, 1995 to February 21, 1995.
(i) Computed on an annualized basis.
(j) During the year ended December 31, 1993, the Fund adopted Statement of Position (SOP) 93-2: Determination, Disclosure and
    Financial Statement Presentation of Income, Capital Gain, and Return of Capital Distributions by Investment Companies. The SOP
    requires that differences in the recognition or classification of income between the financial statements and tax earnings and
    profits that result in temporary over-distributions for financial statement purposes, are classified as distributions in excess
    of net investment income or accumulated net realized gains.
</TABLE>
<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.
    

INVESTMENT POLICIES AND RISKS
- ------------------------------------------------------------------------------

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 assets 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 April 14,
1997, the Portfolio had a dollar weighted average period to adjustment of
approximately 45 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 or actual 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 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 (the "Code"). 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 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. 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. Successful use of a leveraging
strategy depends on BMR's ability to correctly predict interest rates and market
movements. There is no assurance that a leveraging strategy will be successful
during any period in which it is employed.

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.
The Portfolio may 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. Any such borrowing or debt issuance
is a speculative technique in that it will increase the Portfolio's exposure to
capital risk. The Portfolio may also borrow for temporary, extraordinary or
emergency purposes.

The Portfolio participates in a multiseller asset-backed commercial paper
program called Eureka Securitization plc administered by Citicorp North America,
Inc. and Citibank N.A., London Branch. In addition, the Portfolio has access to
a $250 million fully committed back-up revolving credit facility from Citibank
North America, Inc. The Portfolio may use the borrowings from the program to
finance the cash payments made for tender offers, for investment purposes and
for paying interest or principal on its obligations. In the event the Portfolio
defaulted on its obligations under the program, the Portfolio may become unable
to distribute dividends and distributions which could cause the Fund to fail to
qualify as a regulated investment company and/ or subject it to income or excise
taxes. The Portfolio did not have any borrowings outstanding during fiscal year
ended December 31, 1996. Although the Fund does not intend to engage in
borrowing itself, the Fund will be affected if the Portfolio borrows money.

OTHER INVESTMENT POLICIES
As stated above, 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 (such as during abnormal market
or economic conditions) 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 generally 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,
approximately 1% of the Portfolio's assets were invested in Loan Interests of
non-U.S. Borrowers. The Portfolio has no current intention to invest more than
10% of its net assets in such Loan Interests.

INTEREST RATE SWAPS. 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 were never
used. The Portfolio has not engaged in such transactions 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.

   
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 and an 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.

YIELD AND PERFORMANCE INFORMATION
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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.
Under normal market conditions, the relationship between the Prime Rate and the
other possible base lending rates is reasonably stable, and Loans are structured
with appropriate spreads over the base rates so that the income earned by the
Portfolio is approximately the same no matter which alternative the Borrower
selects. During such periods when the Portfolio is fully invested, 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 such an effective yield. 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 caused the Fund's effective yield to be below the Prime Rate. BMR believes
the present wide differential is unusual and hopes that if the long-term
relationship between the Prime Rate and LIBOR is restored the Fund can achieve
an effective yield approximating the Prime Rate. However, there is not yet
evidence that this will occur by the end of 1997 or thereafter.
    

From time to time, the Fund may quote a current and/or effective yield based on
a specific one-month period. The Fund seeks to provide an effective yield that
is higher than short-term instrument alternatives. 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". There are no annual meetings of
shareholders, but special meetings may be held as required by law to elect
Trustees and consider certain other matters. 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 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.

   
THE PORTFOLIO IS ORGANIZED AS A TRUST UNDER THE LAWS OF THE STATE OF NEW YORK
AND INTENDS TO BE TREATED AS A PARTNERSHIP FOR FEDERAL TAX PURPOSES. 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.

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 economies of scale for the Fund.

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, these differences may
result in differences in returns experienced by investors in the various funds
that invest in the Portfolio. Such differences in returns are also present in
other mutual fund structures, including funds that have multiple classes of
shares. Information regarding other pooled investment entities or funds which
invest in the Portfolio may be obtained by contacting the Principal Underwriter,
24 Federal Street, Boston, MA 02110, (617) 482-8260.

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 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. 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, the Trustees would
consider what action might be taken, including investing the assets of the Fund
in another pooled investment entity or retaining an investment adviser to manage
the Fund's assets in accordance with its investment objective. The Fund's
investment performance may be affected by a withdrawal of all of its assets (or
the assets of another investor in the Portfolio) from the Portfolio. Of course,
a complete withdrawal of Fund assets could be accomplished only pursuant to a
Portfolio tender offer.
    

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.

The Trustees of the Portfolio have 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. The Portfolio paid BMR advisory fees equivalent to 0.91% of the
Portfolio's average daily gross assets for the fiscal year ended December 31,
1996.

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 $18 billion, of which
approximately $16 billion is in investment companies, including approximately
$3.5 billion in the Portfolio. Eaton Vance is a wholly-owned subsidiary of Eaton
Vance Corp., a publicly-held holding company which through its subsidiaries and
affiliates engages primarily in investment management, administration and
marketing activities. The Principal Underwriter is a wholly-owned subsidiary of
Eaton Vance.

Scott H. Page and Payson F. Swaffield have acted as co-portfolio managers of
the Portfolio since August 1, 1996. Mr. Page has been a Vice President of
Eaton Vance and BMR since 1992 and an employee of Eaton Vance since 1989. Mr.
Swaffield has been a Vice President of Eaton Vance and BMR since 1992 and an
employee of Eaton Vance since 1990.

The Fund, the Portfolio and BMR have adopted Codes of Ethics relating to
personal securities transactions. The Codes permit Eaton Vance personnel to
invest in securities (including securities that may be purchased or held by the
Portfolio) for their own accounts, subject to certain pre-clearance, reporting
and other restrictions and procedures contained in such Codes.

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, 1996, the amount of administration fees paid by
the Fund to Eaton Vance was equal to 0.25% (annually) of the average daily gross
assets of the Portfolio attributable to the Fund.

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 the Principal Underwriter, 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 the Principal
Underwriter 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 the Principal Underwriter under its Distribution Agreement. See
"Investment Advisory and Other Services" in the Statement of Additional
Information.
    

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. (as agent for the Fund) in
the manner authorized by the Trustees of the Fund. IBT Fund Services (Canada)
Inc. is a subsidiary of Investors Bank & Trust Company ("IBT"), the Fund's and
the Portfolio's custodian. The Fund will be closed for business and will not
price its shares on the following business holidays: New Year's Day, Presidents'
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) in the manner authorized by the Trustees of the Portfolio. 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 the Portfolio's assets, 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.

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
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 the Principal
Underwriter, 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 April 21, 1997, was $9.99. Pursuant to
its Distribution Agreement with the Principal Underwriter, the Fund has
authorized the Principal Underwriter to distribute its shares on a "best
efforts" basis through Authorized Firms. An Authorized Firm may charge its
customers a fee in connection with transactions executed by that Firm.

The Principal Underwriter 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, the Principal Underwriter 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, the Principal Underwriter's and Eaton Vance's own assets, which may
include amounts received by the Principal Underwriter 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. For the fiscal year ended December 31, 1996, the Principal Underwriter
made compensation payments to Authorized Firms in the aggregate amount of
approximately $17,331,435. The compensation paid to Authorized Firms and the
Principal Underwriter, 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 $500 or more at any time directly to the Fund's
Transfer Agent as follows: First Data Investor Services Group, P.O. Box 5123,
Westborough, MA 01581-5123. 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 their net asset value as determined above. The minimum value of
securities (or securities and cash) accepted for deposit is $5,000. Securities
accepted will be sold on the day of their receipt or as soon thereafter as
possible. The number of Fund shares to be issued in exchange for securities will
be the aggregate proceeds from the sale of such securities divided by the
applicable net asset value per Fund share on the day such proceeds are received.
Eaton Vance will use reasonable efforts to obtain the then current market price
for such securities but does not guarantee the best available price. Eaton Vance
will absorb any transaction costs, such as commissions, on the sale of the
securities.

Securities determined to be acceptable should be transferred via book entry or
physically delivered, in proper form for transfer, through the Principal
Underwriter or an Authorized Firm, together with a completed and signed Letter
of Transmittal in approved form (available from the Principal Underwriter 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. 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 $1.7 billion,
all of which was 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 by
the Portfolio 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 Code; 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 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, such as
listing Fund shares on a major domestic stock exchange or on the NASDAQ National
Market System. 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, in the 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 the Principal
Underwriter. 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 the Principal Underwriter 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. No early withdrawal charge will be imposed on Fund shares sold to Eaton
Vance, or its affiliates, or to their respective employees or clients. The early
withdrawal charge will also be waived for shares repurchased as part of a
required distribution from a tax-sheltered retirement plan, provided that the
aggregate amount of such repurchase does not exceed 12% of the account balance.
During the fiscal year ended December 31, 1996, the Principal Underwriter
received $1,403,900 in early withdrawal charges.

EXCHANGES: The Fund makes available to tendering shareholders the privilege of
exchanging Fund shares at net asset value for shares of one or more open-end
investment companies in the Eaton Vance Marathon Group of Funds (including Class
I shares of any EV Marathon Limited Maturity Fund) or Eaton Vance Money Market
Fund, which are subject to a contingent deferred sales charge, and shares of a
money market fund sponsored by an Authorized Firm and approved by the Principal
Underwriter (an "Authorized Firm fund"). Any such exchange will be made on the
basis of the net asset value per share of each fund at the time of exchange.
Exchange offers are available only in states where shares of the fund acquired
may legally be sold. 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 continue to be subject to a charge in the event of a
redemption of the shares acquired in the exchange. 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. For purposes of
calculating the early withdrawal or contingent deferred sales charge applicable
to shares acquired in an exchange, the schedule of charges applicable to the
shares at the time of purchase will apply and, the purchase of shares is deemed
to have occurred at the time of the original purchase of the exchanged shares,
except that time during which shares are held in an Authorized Firm fund will
not be credited toward completion of the early withdrawal or contingent deferred
sales charge period.

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.
    

  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.

REPORTS TO SHAREHOLDERS
- ------------------------------------------------------------------------------

THE FUND WILL ISSUE TO ITS SHAREHOLDERS SEMI-ANNUAL AND ANNUAL REPORTS
CONTAINING FINANCIAL STATEMENTS. Financial statements included in annual reports
are audited by the Fund's independent certified public accountants. Shortly
after the end of each calendar year, the Fund will furnish its shareholders with
information necessary for preparing federal and state tax returns.

THE LIFETIME INVESTING ACCOUNT/DISTRIBUTION OPTIONS
- ------------------------------------------------------------------------------

   
AFTER AN INVESTOR MAKES AN INITIAL PURCHASE OF FUND SHARES, THE TRANSFER AGENT
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 any transaction and the current 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 Transfer Agent.

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 Transfer Agent, First Data Investor Services
Group, P.O. Box 5123, Westborough, MA 01581-5123 (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, First Data Investor Services Group, P.O. Box 5123,
Westborough, MA 01581-5123. 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 $500 or more payable to the order of Eaton
Vance Prime Rate Reserves may be mailed directly to the Transfer Agent, First
Data Investor Services Group, P.O. Box 5123, Westborough, MA 01581-5123 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 AUTOMATED INVESTING -- FOR REGULAR SHARE ACCUMULATION: Once the $5,000
minimum investment has been made, cash investments of $50 or more may be made
automatically each month or quarter from the shareholder's bank account.

REINVESTMENT PRIVILEGE: A shareholder whose shares have been repurchased
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 60 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 next determined net asset value 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 certain tax-sheltered retirement plans. Detailed information
concerning these plans, including certain exceptions to minimum investment
requirements, and copies of the plans are available from the Principal
Underwriter. This information should be read carefully and consultation with an
attorney or tax adviser may be advisable. The information sets forth the service
fee charged for retirement plans and describes the federal income tax
consequences of establishing a plan. Participant accounting services (including
trust fund reconciliation services) will be offered only through third party
recordkeepers and not by the Principal Underwriter. Under all plans,
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 business 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. If shares are purchased shortly before the record
date of such a distribution, the shareholder will pay the full price for the
shares and then receive some portion of the price back as a taxable
distribution.
    

TAXES
In order to qualify as a regulated investment company under 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
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.

   
Shareholders will receive annually tax information notices and Forms 1099 to
assist in the preparation of their federal and state tax returns for the prior
calendar year's distributions, proceeds from repurchase or exchange of Fund
shares, and federal income tax (if any) withheld by the Transfer Agent.

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



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 ..................................................................  11
Custodian ..............................................................  13
Transfer and Dividend Paying Agent and Registrar .......................  13
Performance Information ................................................  13
Other Information ......................................................  15
Auditors ...............................................................  16
Financial Statements ...................................................  16
    

[logo]
EATON VANCE
- ---------------------
         MUTUAL FUNDS


EATON VANCE
PRIME RATE
RESERVES


   
PROSPECTUS
MAY 1, 1997
    


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


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, 89 South Street, Boston, MA 02111

TRANSFER AGENT
First Data Investor Services Group, P.O. Box 5123, Westborough, MA 01581-5123
(800) 262-1122

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

                                                                         PRP
<PAGE>
   
                                                        STATEMENT OF
                                                        ADDITIONAL INFORMATION
                                                        May 1, 1997
    

                       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 .............................................................         11
Custodian .........................................................         13
Transfer and Dividend Paying Agent and Registrar ..................         13
Performance Information ...........................................         13
Other Information .................................................         15
Auditors ..........................................................         16
Financial Statements ..............................................         16
- ------------------------------------------------------------------------------

    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 MAY 1, 1997, AS SUPPLEMENTED FROM TIME TO TIME, WHICH IS INCORPORATED
HEREIN BY REFERENCE. 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 Senior Debt
Portfolio (the "Portfolio"), which has the same investment objective as the
Fund. The Fund is subject to the same investment policies as those of the
Portfolio. 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 Swaps. 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 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. Pursuant to the closing of a recapitalization effective May 31,
1995, the Portfolio had Loan Interests in London Fog Industries, Inc. which
had carrying values below par, although the Company had not defaulted on these
loans.

    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 following investment restrictions of the Fund 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 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.

    The Fund and the Portfolio have each adopted the following nonfundamental
investment policy 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 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.

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

    Whenever an investment policy or investment restriction set forth in the
Prospectus or this Statement of Additional Information states a maximum
percentage of 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 the Fund's or
the Portfolio's acquisition of such security or asset. Accordingly, any later
increase or decrease resulting from a change in values, assets or other
circumstances will not compel the Fund or the Portfolio, as the case may be, to
dispose of such security or other asset. Notwithstanding the foregoing, under
normal market conditions the Fund and the Portfolio must take actions necessary
to comply with the policy of investing at least 80% of total assets in interests
in Loans. Moreover, the Fund and the Portfolio must always be in compliance with
the borrowing policies set forth above.

                            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 investment adviser, BMR, a
wholly-owned subsidiary of Eaton Vance; 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 who are
"interested persons" of the Fund or the Portfolio as defined in the 1940 Act by
virtue of their affiliation with BMR, Eaton Vance, EVC or EV, are indicated by
an asterisk(*).
    

                    TRUSTEES OF THE FUND AND THE PORTFOLIO

   
JAMES B. HAWKES (55), President and Trustee*
President and Chief Executive Officer of BMR, Eaton Vance, EVC and EV, and
  Director of EVC and EV. Director or Trustee and officer of various investment
  companies managed by Eaton Vance or BMR.

DONALD R. DWIGHT (66), Trustee
President of Dwight Partners, Inc. (a corporate relations and communications
  company); Chairman of the Board of Newspapers of New England, Inc. Director
  or Trustee of various investment companies managed by Eaton Vance or BMR.
Address: Clover Mill Lane, Lyme, New Hampshire 03768

M. DOZIER GARDNER (63), Vice President and Trustee*
Vice Chairman 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 (62), 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 02163

NORTON H. REAMER (61), Trustee
President and Director, United Asset Management Corporation (a holding company
  owning institutional investment management firms); Chairman, President and
  Director of UAM Funds (mutual funds). Director or Trustee of various
  investment companies managed by Eaton Vance or BMR.
Address: One International Place, Boston, Massachusetts 02110

JOHN L. THORNDIKE (70), Trustee
Formerly Director of Fiduciary Company Incorporated. Director or Trustee of
  various investment companies managed by Eaton Vance or BMR.
Address: 175 Federal Street, Boston, Massachusetts 02110

JACK L. TREYNOR (67), 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

   
WILLIAM CHISHOLM (36), Vice President of the Portfolio
Senior Trust Officer of the Bank of Nova Scotia Trust Company (Cayman)
  Limited. Officer of various investment companies managed by Eaton Vance or
  BMR. Mr. Chisholm was elected Vice President of the Portfolio on June 19,
  1995.
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.

MICHEL NORMANDEAU (45), Vice President of the Portfolio
Assistant Manager -- Trust Services, The Bank of Nova Scotia Trust Company
  (Cayman) Limited. Officer of various investment companies managed by Eaton
  Vance or BMR. Mr. Normandeau was elected Vice President of the Portfolio on
  June 19, 1995.
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 (35), Vice President of the Portfolio
Managing Director of IBT Trust and Custodian Services (Ireland) Limited since
  January, 1995. Vice President, Atlantic Corporate Management Limited,
  Warwick, Bermuda (1991-1994). Officer, The Bank of Bermuda Limited,
  Hamilton, Bermuda (1987-1991). Officer of various investment companies
  managed by Eaton Vance or BMR.
Address: Earlsfort Terrace, Dublin 2, Ireland.

SCOTT H. PAGE (37), Vice President of the Portfolio
Vice President of BMR, Eaton Vance and EV since 1992 and an employee of Eaton
  Vance since 1989. Mr. Page was elected Vice President of the Portfolio on
  October 18, 1996.

PAYSON F. SWAFFIELD (40), Vice President of the Portfolio
Vice President of BMR, Eaton Vance and EV since 1992 and an employee of Eaton
  Vance since 1990. Mr. Swaffield was elected Vice President of the Portfolio
  on October 18, 1996.

JAMES L. O'CONNOR (52), Treasurer
Vice President of BMR, Eaton Vance and EV. Officer of various investment
  companies managed by Eaton Vance or BMR.

THOMAS OTIS (65), Secretary
Vice President and Secretary of BMR, Eaton Vance, EVC and EV. Officer of various
  investment companies managed by Eaton Vance or BMR.

JANET E. SANDERS (61), Assistant Treasurer and Assistant Secretary
Vice President of BMR, Eaton Vance and EV. Officer of various investment
  companies managed by Eaton Vance or BMR.

A. JOHN MURPHY (34), Assistant Secretary
Assistant Vice President of BMR, Eaton Vance and EV since March 1, 1994;
  employee of Eaton Vance since March 1993. State Regulations Supervisor, The
  Boston Company (1991-1993). Officer of various investment companies managed by
  Eaton Vance or BMR. Mr. Murphy was elected Assistant Secretary of the Fund on
  March 27, 1995 and of the Portfolio on June 19, 1995.

ERIC G. WOODBURY (39), Assistant Secretary
Vice President of BMR, Eaton Vance and EV since February 1993; formerly,
  associate attorney at Dechert, Price & Rhoads. Mr. Woodbury was elected
  Assistant Secretary on June 19, 1995.

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

    The Nominating Committee of the Board of Trustees of the Fund and the
Portfolio is comprised of four Trustees who are not "interested persons" as that
term is defined under the 1940 Act ("noninterested Trustees"). The Committee has
four-year staggered terms, with one member rotating off the Committee to be
replaced by another noninterested Trustee. The purpose of the Committee is to
recommend to the Board nominees for the position of noninterested Trustee and to
assure that at least a majority of the Board of Trustees is independent of Eaton
Vance and its affiliates.

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

    The fees and expenses of the noninterested Trustees of the Fund and of the
Portfolio are paid by the Fund and the Portfolio, respectively. (The Trustees of
the Fund and the Portfolio who are members of the Eaton Vance organization
receive no compensation from the Fund or the Portfolio). During the fiscal year
ended December 31, 1996, the noninterested Trustees of the Fund and the
Portfolio earned the following compensation in their capacities as Trustees of
the Fund, the Portfolio and the funds in the Eaton Vance fund complex(1):

                             AGGREGATE        AGGREGATE       TOTAL COMPENSATION
                            COMPENSATION     COMPENSATION       FROM FUND AND
NAME                         FROM FUND      FROM PORTFOLIO       FUND COMPLEX
- ---                           --------         --------          -----------
Donald R. Dwight .........      $696            $5,876(2)          $145,000(5)
Samuel L. Hayes, III .....       628             5,680(3)           157,500(6)
Norton H. Reamer .........       620             5,547              145,000
John L. Thorndike ........       641             5,797(4)           150,000(7)
Jack L. Treynor ..........       686             5,997              150,000
- ------------
(1) The Eaton Vance fund complex consists of 212 registered investment companies
    or series thereof.
(2) Includes $2,428 of deferred compensation.
(3) Includes $963 of deferred compensation.
(4) Includes $1,447 of deferred compensation.
(5) Includes $45,000 of deferred compensation.
(6) Includes $20,429 of deferred compensation.
(7) Includes $28,125 of deferred compensation.

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

    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.

    Messrs. Chisholm, Normandeau and O'Neill are not U.S. residents. It may be
difficult to effect service of process within the U.S. or to realize judgments
of U.S. courts upon them. It is uncertain whether courts in other countries
would entertain original actions against them.

               CONTROL PERSONS AND PRINCIPAL HOLDERS OF SHARES

   
    As of March 31, 1997, 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
March 31, 1997, Merrill Lynch, Pierce, Fenner & Smith, Inc. of Jacksonville, FL,
was the record owner of approximately 31.9% 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 owned of record or
beneficially 5% or more of the Fund's outstanding shares as of such date.
    

                    INVESTMENT ADVISORY AND OTHER SERVICES

   
    Eaton Vance, its affiliates and its predecessor companies have been managing
assets of individuals and institutions since 1924 and managing investment
companies since 1931. They maintain a large staff of experienced fixed-income
and equity investment professionals to service the needs of their clients. The
fixed-income division focuses on all kinds of taxable investment-grade and
high-yield securities, tax-exempt investment-grade and high-yield securities,
and U.S. Government securities. The equity division covers stocks ranging from
blue chip to emerging growth companies.

    Eaton Vance and its affiliates act as adviser to over 150 mutual funds, and
individual and various institutional accounts, including corporations,
hospitals, retirement plans, universities, foundations and trusts. Eaton Vance
mutual funds feature international equities, domestic equities, tax-free
municipal bonds, and U.S. government and corporate bonds. Lloyd George
Management has advised Eaton Vance's international equity funds since 1992.
Founded in 1991, Lloyd George is headquartered in Hong Kong with offices in
London and Mumbai, India. It has established itself as a leader in investment
management in Asian equities and other global markets. Lloyd George features an
experienced team of investment professionals that began working together in the
mid-1980s. Lloyd George analysts cover East Asia, the India subcontinent, Russia
and Eastern Europe, Latin America, Australia and New Zealand from offices in
Hong Kong, London and Mumbai. Together Eaton Vance and Lloyd George manage over
$18 billion in assets. Eaton Vance mutual funds are distributed by the Principal
Underwriter both within the United States and offshore.

    The Principal Underwriter believes that an investment professional can
provide valuable services to you to help you reach your investment goals.
Meeting investment goals requires time, objectivity and investment savvy. Before
making an investment recommendation, a representative can help you carefully
consider your short- and long-term financial goals, your tolerance for
investment risk, your investment time frame, and other investments you may
already own. Your professional investment representatives are knowledgeable
about financial markets, as well as the wide range of investment opportunities
available. A representative can help you decide when to buy, sell or persevere
with your investments. A professional investment representative can provide you
with tailored financial advice.

    For a description of the compensation that the Portfolio pays BMR under the
Investment Advisory Agreement, see the Fund's current Prospectus. 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, 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. For the period January 1, 1995 to February 21, 1995, the Fund paid
Eaton Vance advisory fees aggregating $877,603, which was equal to 0.95%
(annualized) of the Fund's average daily gross assets for such period. For the
period from the start of business, February 22, 1995, to the fiscal year ended
December 31, 1995, the Portfolio paid BMR advisory fees aggregating $8,544,646
which was equal to 0.94% (annualized) of the Portfolio's average daily gross
assets for such period. For the fiscal year ended December 31, 1996, the
Portfolio paid BMR advisory fees aggregating $21,643,760 which was equal to
0.91% of the Portfolio's average daily gross assets. As at December 31, 1996,
the gross assets of the Portfolio were $3,010,074,456. BMR's fee waiver
described in the Prospectus is indefinite, but could be removed or changed upon
agreement of BMR and the Portfolio's Board of Trustees at any time.

    The Fund has engaged Eaton Vance to act as its administrator under an
Administration Agreement. For a description of the compensation the Fund pays
Eaton Vance under its Administration Agreement, see the Fund's current
Prospectus. For the fiscal years ended December 31, 1996, 1995 and 1994, the
Fund paid Eaton Vance administration fees of $3,457,475, $2,020,807 and
$1,609,703, respectively, which was equal to 0.25% of the Fund's average daily
gross assets for each fiscal year.
    

    IBT 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.

   
    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 the Principal Underwriter 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 any 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, to the
extent not covered by insurance.

    The Advisory Agreement and Administration Agreement will remain in effect
until February 28, 1998. The Portfolio's Advisory Agreement may be continued
from year to year thereafter so long as such continuance after February 28, 1998
is approved at least annually (i) by the vote of a majority of the noninterested
Trustees of the Portfolio cast in person at a meeting specifically called for
the purpose of voting on such approval and (ii) by the 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, 1998 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, to the
extent not covered by insurance.

    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, 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, Mr. Gardner is
vice chairman and Mr. Hawkes 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, 1997, the
Voting Trustees of which are Messrs. Clay, Gardner, Hawkes, Rowland and Thomas
E. Faust, Jr. The Voting Trustees have unrestricted voting rights for the
election of Directors of EVC. All of the outstanding voting trust receipts
issued under said Voting Trust are owned by certain of the officers of BMR and
Eaton Vance who are also officers or officers and Directors of EV and EVC. As
of April 30, 1997, Messrs. Clay, Gardner and Hawkes each owned 24% of such
voting trust receipts, and Messrs. Rowland and Faust 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. Murphy, O'Connor, Page,
Swaffield and Woodbury and Ms. Sanders are officers of the Fund and/or the
Portfolio and are members of the BMR, Eaton Vance and EV organizations.

    EVC owns all of the stock of Energex Energy Corporation, which engages in
oil and gas exploration and development. Eaton Vance owns all of the stock of
Northeast Properties, Inc., which is engaged in real estate investment. EVC also
owns 24% of the Class A shares of Lloyd George Management (B.V.I.) Limited, a
registered investment adviser. EVC owns all of the stock of Fulcrum Management,
Inc. and MinVen Inc., which are engaged in precious metal mining venture
investment and management. 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, IBT. It is Eaton Vance's opinion that the terms and conditions of
such transactions were not and will not be influenced by existing or potential
custodial or other relationships between the Fund or the Portfolio and such
banks.
    

                       DETERMINATION OF NET ASSET VALUE

   
    Each investor in the Portfolio, including the Fund, may add to or reduce its
investment in the Portfolio on each day 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. Each 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.
    

    Non-Loan 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.

                              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 and for the period January
1, 1995 to February 21, 1995 (prior to the Fund's investment in the Portfolio).

   
    For the fiscal year ended December 31, 1996 and for the period from the
start of business, February 22, 1995, to the fiscal year ended December 31,
1995, the Portfolio paid no brokerage commissions.

    The frequency of portfolio purchases and sales, known as the "turnover
rate," will vary from year to year. The Portfolio's turnover rate for the fiscal
years ended December 31, 1995 and 1996 were 39% and 75%, respectively.

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

                                    TAXES

   
    The Fund has elected to be treated and intends to continue to qualify each
year, as a regulated investment company ("RIC") under the Code. Accordingly, the
Fund intends to satisfy certain requirements relating to sources of its income
and diversification of its assets and to distribute 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. The Fund so qualified for its taxable year ended December 31, 1996 (see
the Notes to the Financial Statements incorporated by reference in this
Statement of Additional Information). Because the Fund invests its assets in the
Portfolio, the Portfolio normally must satisfy the applicable source of income
and diversification requirements in order for the Fund to 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 (provided that any Portfolio
tender offers are 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 taxes on the Fund. For purposes of applying the requirements of
the Code regarding qualification as a RIC, 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 RIC 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 enable the Fund to maintain its qualification as a RIC.

    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, generally computed on the basis of the one-year period
ending on October 31 of such year or, by election, December 31 of such year,
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 may be disallowed under "wash sale" rules 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. The Portfolio may have to
dispose of investments that it would otherwise have continued to hold in order
to provide cash to enable the Fund 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 payable by the Fund to individuals and certain other non-corporate
shareholders who have not provided the Fund with their correct taxpayer
identification number and certain certifications required by the Internal
Revenue Service (the "IRS"), as well as shareholders with respect to whom the
Fund has received notification from the IRS or a broker, may be subject to
"backup" withholding of federal income tax from the Fund's taxable dividends and
other distributions (including the proceeds received upon acceptance of any
tender offer) at a rate of 31%. An individual's taxpayer identification number
is generally his or her social security number.
    

    Nonresident alien individuals, foreign corporations and certain other
foreign 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 amount treated as 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
include in income, and 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

   
    IBT, 89 South Street, Boston, Massachusetts, 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. IBT also
provides services in connection with the preparation of shareholder reports and
the electronic filing of such reports with the Commission, for which it receives
a separate fee. Landon T. Clay, a Director of EVC and an officer, Trustee or
Director of other entities in the Eaton Vance organization, owns approximately
13% of the voting stock of Investors Financial Services Corp., the holding
company parent of IBT. Management believes that such ownership does not create
an affiliated person relationship between the Fund or the Portfolio and IBT
under the 1940 Act.
    

               TRANSFER AND DIVIDEND PAYING AGENT AND REGISTRAR

   
    First Data Investor Services Group, serves with respect to the shares as
transfer and dividend paying agent and as registrar. The principal business
address of First Data Investor Services Group, 4400 Computer Drive, Westborough,
MA 01581-5120.

                           PERFORMANCE INFORMATION

    The Fund's current yield for the one-month period ended December 31, 1996
was 6.74%. The Fund's effective yield for the one-month period ended December
31, 1996 was 6.95%. Yields will fluctuate from time to time and are not
necessarily representative of future results.

    The table below indicates the cumulative and average annual total return on
a hypothetical investment of $1,000 in the Fund covering the life of the Fund
through December 31, 1996 and for the one- and five-year periods ended December
31, 1996.

<TABLE>
                                                  VALUE OF A $1,000 INVESTMENT
<CAPTION>
                                                                          VALUE OF
        INVESTMENT             INVESTMENT            AMOUNT OF           INVESTMENT                     TOTAL RETURN
          PERIOD                  DATE              INVESTMENT           ON 12/31/96          CUMULATIVE           ANNUALIZED
- -----------------------------------------------------------------------------------------------------------------------------------
<C>                             <C>                   <C>                 <C>                   <C>                   <C>  
Life of the
Fund*                             8/4/89              $1,000              $1,675.84             67.58%                7.22%
5 Years Ended
12/31/96                        12/31/91              $1,000              $1,369.86             36.99%                6.50%
1 Year Ended
12/31/96                        12/31/95              $1,000              $1,068.38              6.84%                6.84%
    

- ----------
*Investment operations began August 4, 1989.
</TABLE>

    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.
<PAGE>
TOTAL RETURN PERFORMANCE...

A $100,000 INVESTMENT IN EATON VANCE PRIME RATE RESERVES AT THE FUND'S
INCEPTION, AUG. 4, 1989, WOULD HAVE GROWN TO $167,578 ON DECEMBER 31, 1996.

    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
     2/95                     147349
     3/95                     148359
     4/95                     149152
     5/95                     150130
     6/95                     151082
     7/95                     152055
     8/95                     153004
     9/95                     153934
    10/95                     154931
    11/95                     155867
    12/95                     156854
     1/96                     157818
     2/96                     158678
     3/96                     159444
     4/96                     160185
     5/96                     161122
     6/96                     162005
     7/96                     162943
     8/96                     163866
     9/96                     164759
    10/96                     165712
    11/96                     166627
    12/96                     167578

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.


    The rates for the Fund shown in the table below are effective yields, and
assume that all interest and dividends are reinvested.

THE FUND HAS DELIVERED A CONSISTENT YIELD ADVANTAGE OVER SHORT-TERM INTEREST
RATES...

                              3-month          Federal          Prime Rate
                      London Interbank           Funds            Reserves
                          Offered Rate            Rate     Effective Yield
Month-end                          (%)             (%)                 (%)

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
Feb 1995                          6.25             6.1                8.53
March 1995                        6.25             6.3                8.38
April 1995                        6.19            6.06                8.00
May 1995                          6.06            6.17                8.00
June 1995                         6.06            6.11                8.00
July 1995                         5.88            5.85                7.85
August 1995                       5.88            5.74                7.60
September 1995                    5.94            5.80                7.65
October 1995                      5.94            5.76                7.90
November 1995                     5.88            5.91                7.60
December 1995                     5.63            5.48                7.60
Jan 1996                          5.38            5.56                 7.5
Feb 1996                          5.31            5.22                 7.1
Mar 1996                           5.5            5.31                7.11
Apr 1996                          5.48            5.22                7.12
May 1996                           5.5            5.24                7.13
Jun 1996                          5.58            5.27                 6.9
Jul 1996                          5.68            5.33                7.05
Aug 1996                          5.56            5.28                 6.9
Sept 1996                         5.63            5.25                6.85
Oct 1996                           5.5            5.63                7.05
Nov 1996                           5.5            5.44                6.95
Dec 1996                          5.56            6.26                6.95


EV PRIME RATE
RESERVES EFFECTIVE
YIELD: 6.95%

FEDERAL FUNDS
RATE: 6.26%

3-MONTH LONDON
INTERBANK OFFERED
RATE: 5.56%

Chart shows month-end effective yields over the life of the Fund (August 4,
1989, to December 31, 1996). 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.


   
    Comparative information about the Fund's yield and total return, about the
Prime Rate and Libor, 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.

    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, 1996, 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:
    

        PRINCIPAL PERFORMANCE ...

     MONTH-END SHARE VALUE HISTORY

   aug 89                      10.00
   s                           10.00
   o                           10.00
   n                           10.00
   dec 89                      10.00
   j                           10.00
   f                           10.00
   m                           10.00
   a                           10.00
   m                           10.00
   j                           10.00
   j                           10.00
   a                           10.00
   s                           10.00
   o                           10.00
   n                            9.99
   dec 90                       9.97
   j                            9.96
   f                            9.96
   m                            9.96
   a                            9.96
   m                            9.96
   j                            9.96
   j                            9.96
   a                            9.96
   s                            9.96
   o                            9.96
   n                            9.96
   dec 91                       9.96
   j                            9.95
   f                            9.95
   m                            9.95
   a                            9.95
   m                            9.95
   j                            9.95
   j                            9.95
   a                            9.96
   s                            9.99
   o                            9.98
   n                           10.00
   dec  92                     10.02
   j                           10.02
   f                            9.99
   m                            9.97
   a                           10.00
   m                           10.02
   j                           10.03
   j                           10.02
   a                           10.04
   s                           10.05
   o                           10.03
   n                           10.03
   dec  93                     10.03
   j                           10.03
   f                           10.03
   m                           10.00
   a                            9.99
   m                            9.99
   j                           10.00
   j                              10
   a                            9.96
   s                            9.96
   o                            9.97
   n                            9.97
   d94                         10.02
   jan                         10.02
   feb                         10.04
   march                       10.04
   april                       10.03
   may                         10.03
   june                        10.03
   july                        10.03
   aug                         10.03
   sept                        10.03
   oct                         10.03
   nov                         10.03
   dec 95                      10.01
   jan                         10.01
   feb                         10.01
   march                       10.00
   april                        9.99
   may                          9.99
   june                         9.99
   july                         9.99
   aug                          9.99
   sept                         9.99
   oct                          9.99
   nov                          9.99
   dec 96                       9.99
   Low                         $9.98
   High                       $10.07

Chart shows the Fund's month-end net asset value per share for the life of the
Fund since its inception (8/4/89 to 12/31/96). Past performance is not
indicative of future results.


   
    Advertisements and communications about the Fund may include a comparison of
loan interests and other corporate debt instruments. These may describe the
credit agreements used in connection with loan interests. Moreover, the markets
for loan interests may be described. The comparison may also be made to relevant
indices.

    Information in advertisements and materials furnished to present and
prospective investors may include profiles of different types of investors
(i.e., investors with different goals and assets) and different investment
strategies for meeting specific financial goals. Information in advertisements
and materials furnished to present and prospective investors may also include
quotations (including editorial comments) and statistics concerning investing in
securities, as well as investing in particular types of securities and the
performance of such securities.
    

    BMR was one of the first investment management firms to manage a portfolio
of loan interests. BMR has former commercial bank lending officers and
investment bank corporate finance officers dedicated to this investment
discipline. The services of leading law and accounting firms are used in the
research, analysis and management process.

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

                              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 Portfolio's Declaration of Trust 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.

    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 Commission. The complete Registration Statement may be obtained
from the Commission upon payment of the fee prescribed by its Rules and
Regulations.
    

                                   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 Commission. Deloitte & Touche, Grand Cayman, Cayman Islands,
British West Indies, are the independent accountants for the Portfolio.
    

                             FINANCIAL STATEMENTS

   
    The audited financial statements of, and the independent auditors' report
for, the Fund and the Portfolio appear in the Fund's most recent annual report
to shareholders and are incorporated by reference into this Statment of
Additional Information. A copy of the annual report accompanies this Statement
of Additional Information.

    Registrant incorporates by reference the audited financial information for
the Fund and the Portfolio for the fiscal year ended December 31, 1996 as
previously filed electronically with the Commission (Accession No.
0000950156-97-000169).
    
<PAGE>
[logo]
EATON VANCE
=================
     Mutual Funds


EATON VANCE

PRIME RATE

RESERVES



STATEMENT OF

ADDITIONAL INFORMATION

   
MAY 1, 1997
    



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

- -------------------------------------------------------------------------------
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, 89 South Street, Boston, MA 02111

TRANSFER AGENT
First Data Investor Services Group, P.O. Box 5123, Westborough, MA 01581-5123
(800) 262-1122

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

                                                                          PRSAI
<PAGE>
<TABLE>
                                                        PART C

                                                  OTHER INFORMATION

<CAPTION>
ITEM 24.  FINANCIAL STATEMENTS AND EXHIBITS

<S>         <C> <C>     <C>               
            (1) FINANCIAL STATEMENTS:

                INCLUDED IN PART A:

   
                        Financial Highlights for each of the seven years ended December 31, 1996, and for
                        the period from the start of business, August 4, 1989, to December 31, 1989

                INCLUDED IN PART B:
                  INCORPORATED BY REFERENCE TO THE ANNUAL REPORT DATED DECEMBER 31, 1995 (ACCESSION NO.
                  0000950156-97-000169) FILED ELECTRONICALLY PURSUANT TO SECTION 30(b)(2) OF THE INVESTMENT
                  COMPANY ACT OF 1940.
                    Financial Statements for EATON VANCE PRIME RATE RESERVES:
                        Statement of Assets and Liabilities as of December 31, 1996
                        Statement of Operations for the year ended December 31, 1996
                        Statement of Cash Flows for the year ended December 31, 1996
                        Statement of Changes in Net Assets for each of the two years ended December 31, 1996
                        Financial Highlights for the five years ended December 31, 1996
                        Notes to Financial Statements
                        Independent Auditors' Report

                    Financial Statements for SENIOR DEBT PORTFOLIO:
                        Portfolio of Investments as of December 31, 1996
                        Statement of Assets and Liabilities as of December 31, 1996
                        Statement of Operations for the year ended December 31, 1996
                        Statement of Cash Flows for the year ended December 31, 1996
                        Statement of Changes in Net Assets for the year ended December 31, 1996 and for the
                          period from the start of business, February 22, 1995, to December 31, 1995
                        Supplementary Data for the year ended December 31, 1996 and for the period from the
                          start of business, February 22, 1995, to December 31, 1995
                        Notes to Financial Statements
                        Independent Auditors' Report
</TABLE>
    

(2) EXHIBITS:

       (a)    (a) Declaration of Trust dated May 2, 1989, as amended and
                  restated June 30, 1989, filed as Exhibit (a)(a) to the
                  Registration Statement under the Securities Act of 1933 (1933
                  Act File No. 33-63623) and Amendment No. 14 to the
                  Registration Statement under the Investment Company Act of
                  1940 (1940 Act File No. 811-05808) filed with the Commission
                  on October 24, 1995 (Amendment No. 14) and incorporated herein
                  by reference.
       (b)    (a) By-Laws (as amended June 12, 1989) filed as Exhibit (b)(a) to
                  Amendment No. 14 and incorporated herein by reference.
              (b) By-Laws Amendment dated December 13, 1993 filed as Exhibit
                  (b)(b) to Amendment No. 14 and incorporated herein by
                  reference.

       (c)    Not applicable

       (d)    Not applicable

       (e)    Not applicable

       (f)    Not applicable

       (g)    Not applicable

       (h)    (a) Distribution Agreement dated July 14, 1989 filed as Exhibit
                  (h)(a) to Amendment No. 14 and incorporated herein by
                  reference.
              (b) Selling Group Agreement between Eaton Vance Distributors, Inc.
                  and Authorized Dealers filed as Exhibit (6)(b) to
                  Post-Effective Amendment No. 61 to the Registration Statement
                  of Eaton Vance Growth Trust (File Nos. 2-22019 and 811-1241)
                  and incorporated herein by reference.
              (c) Schedule of Dealer Discounts and Sales Charges filed as
                  Exhibit (6)(c) to Post- Effective Amendment No. 59 to the
                  Registration Statement of Eaton Vance Growth Trust (file Nos.
                  2022019 and 811-1241) and incorporated herein by reference.

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

 (j)          (a) Custodian Agreement dated December 17, 1990 filed as Exhibit
                  (j) to Amendment No. 14 and incorporated herein by reference.

   
              (b) Amendment to Custodian Agreement dated October 23, 1995 filed
                  as Exhibit (j)(b) to the Post-Effective Amendment No. 1 to the
                  Registration Statement under the Securities Act of 1933 (1933
                  Act File No. 33-63623) and Amendment No. 15 to the
                  Registration Statement under the Investment Company Act of
                  1940 (1940 Act File No. 811-05808) filed with the Commission
                  on April 1, 1996 (Amendment No. 15) and incorporated herein by
                  reference.
    

       (k)    (a) Administration Agreement dated July 14, 1989 filed as Exhibit
                  (k)(a) to Amendment No. 14 and incorporated herein by
                  reference.
              (b) Administration Agreement Amendment dated October 24, 1994
                  filed as Exhibit (k)(b) to Amendment No. 14 and incorporated
                  herein by reference.

   
              (c) Transfer Agency Agreement dated November 2, 1992 filed
                  herewith.
              (d) Amendment to Transfer Agency Agreement dated February 1, 1993
                  filed as Exhibit (9) (e) to Post-Effective Amendment No. 65 to
                  the Registration Statement of Eaton Vance Growth Trust (File
                  Nos. 2-22019 and 811-1241) and incorporated herein by
                  reference.

       (l)    Opinion and Consent of Counsel dated April 23, 1997 filed
              herewith.
    

       (m)    (a) Consent of Independent Auditors for Eaton Vance Prime Rate
                  Reserves filed herewith.

   
              (b) Consent of Independent Auditors for Senior Debt Portfolio
                  filed herewith.
    

       (n)    Not applicable

       (o)    Not applicable

       (p)    Not applicable

       (q)    Not applicable

       (r)    Power of Attorney filed as Exhibit (16) to Post-Effective
              Amendment No. 2 (1933 Act File No. 33-34922) and Amendment No. 9
              (1940 Act File No. 811-05808) filed with the Commission on March
              13, 1992 and incorporated herein by reference.

       (s)    Power of Attorney for Senior Debt Portfolio filed as Exhibit (s)
              to Post-Effective Amendment No. 5 (1933 Act File No. 33-34922)
              filed with the Commission on November 25, 1994 and incorporated
              herein by reference.

ITEM 25.  MARKETING ARRANGEMENTS
    Not Applicable.

   
ITEM 26.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION
    The following table sets forth the approximate expenses incurred in
connection with the offerings of Registrant:

Registration fees .............................................   $1,298,589(1)
National Association of Securities Dealers, Inc. ..............   $   76,500(1)
Printing (other than stock certificates) ......................   $  168,300
Engraving and printing stock certificates .....................   $    4,800
Fees and expenses of qualification under state securities laws
  (excluding fees of counsel) .................................   $  275,550
Accounting fees and expenses ..................................   $   13,500
Legal fees and expenses .......................................   $  230,000
                                                                  ----------
        Total .................................................   $2,067,239
                                                                  ==========
- ------------------
(1)These amounts reflect expenses incurred in connection with separate
   Registration Statements  filed with the Commission of 100 million shares
   each as follows: (a) (File No. 33-63623) on October 24, 1995 and declared
   effective on November 28, 1995, (b) (File No. 33-34922) on May 16, 1990 and
   declared effective on July 3, 1990, (c) (File No. 33-30268) on August 2,
   1989 and declared effective August 9, 1989, and (d) (File No. 33-28516) on
   May 3, 1989 and declared effective on July 14, 1989, and which are
   incorporated herein by reference, and with this filing.

ITEM 27.  PERSONS CONTROLLED BY OR UNDER COMMON CONTROL
    None.
    

ITEM 28.  NUMBER OF HOLDERS OF SECURITIES

   
                      (1)                                         (2)
                 TITLE OF CLASS                         NUMBER OF RECORD HOLDERS
         Shares of beneficial interest                           41,725
                                                                 as of
                                                            March 31, 1997

ITEM 29.  INDEMNIFICATION
    The Registrant's By-Laws contains indemnification provisions. Registrant's
Trustees and officers are insured under a standard investment company errors
and omissions insurance policy covering loss incurred by reason of negligent
errors and omissions committed in their capacities as such.

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

ITEM 30.  BUSINESS AND OTHER CONNECTIONS OF THE INVESTMENT ADVISER
    Reference is made to the information set forth under the captions
"Management of the Fund and the Portfolio" in the Prospectus and "Investment
Advisory and Other Services" in the Statement of Additional Information
constituting Parts A and B, respectively, of this Registration Statement,
which summary is incorporated herein by reference.

ITEM 31.  LOCATION OF ACCOUNTS AND RECORDS
    All applicable accounts, books and documents required to be maintained by
the Registrant by Section 31(a) of the Investment Company Act of 1940 and the
Rules promulgated thereunder are in the possession and custody of the
Registrant's custodian, Investors Bank & Trust Company, 89 South Street,
Boston, MA 02111, and its transfer agent, First Data Investor Services Group,
4400 Computer Drive, Westborough, MA 01581-5120, with the exception of certain
corporate documents and portfolio trading documents which are in the
possession and custody of Eaton Vance Management, 24 Federal Street, Boston,
MA 02110. Certain corporate documents of Senior Debt Portfolio (the
"Portfolio") are also maintained by IBT Trust Company (Cayman), Ltd., The Bank
of Nova Scotia Building, P.O. Box 501, George Town, Grand Cayman, Cayman
Islands, British West Indies, and certain investor account, Portfolio and the
Registrant's accounting records are held by IBT Fund Services (Canada) Inc., 1
First Canadian Place, King Street West, Suite 2800, P.O. Box 231, Toronto,
Ontario, Canada M5X 1C8. Registrant is informed that all applicable accounts,
books and documents required to be maintained by registered investment
advisers are in the custody and possession of Eaton Vance Management and
Boston Management and Research.
    

ITEM 32.  MANAGEMENT SERVICES
    None.

ITEM 33.  UNDERTAKINGS
    The undersigned registrant hereby undertakes:

        (1) To file, during any period in which offers or sales are being
    made, a post-effective amendment to this Registration Statement:

            (i) To include any prospectus required by section 10(a)(3) of the
        Securities Act of 1933;

            (ii) To reflect in the prospectus any facts or events arising
        after the effective date of the Registration Statement (or the most
        recent post-effective amendment thereof) which, individually or in the
        aggregate, represent a fundamental change in the information set forth
        in the Registration Statement;

            (iii) To include any material information with respect to the plan
        of distribution not previously disclosed in the Registration Statement
        or any material change to such information in the Registration
        Statement;

        (2) That, for the purpose of determining any liability under the
    Securities Act of 1933, each such post-effective amendment shall be deemed
    to be a new Registration Statement relating to the securities offered
    therein, and the offering of such securities at that time shall be deemed
    to be the initial bona fide offering thereof; and

        (3) To remove from registration by means of a post-effective amendment
    any of the securities being registered which remain unsold at the
    termination of the continuous offering of the shares.

        (4) To send by first class mail or other means designed to ensure
    equally prompt delivery, within two business days of receipt of a written
    or oral request, any Statement of Additional Information.
<PAGE>

                                    SIGNATURES

   
     Pursuant to the requirements of the Securities Act of 1933 and the
Investment Company Act of 1940, the Registrant has duly caused this Registration
Statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the City of Boston and Commonwealth of Massachusetts, on the 23rd
day of April, 1997.
    

                                        EATON VANCE PRIME RATE RESERVES

                                        By  /s/JAMES B. HAWKES
                                            --------------------------------
                                               JAMES B. HAWKES, President

     Pursuant to the requirements of the Securities Act of 1933, this Amendment
to its Registration Statement has been signed below by the following persons in
the capacities and on the dates indicated.

<TABLE>
<CAPTION>
                     SIGNATURE                                TITLE                              DATE
                     ---------                                -----                              ----

<S>                                                <C>                                      <C>
   
                                                   Trustee, President and
/s/ JAMES B. HAWKES                                  Principal Executive Officer            April 23, 1997
- --------------------------------------
    JAMES B. HAWKES

                                                   Treasurer and Principal
                                                     Financial and
/s/ JAMES L. O'CONNOR                                Accounting Officer                     April 23, 1997
- --------------------------------------
    JAMES L. O'CONNOR

                                                   Trustee and Vice
    M. DOZIER GARDNER*                               President                              April 23, 1997
- --------------------------------------
    M. DOZIER GARDNER


    DONALD R. DWIGHT*                              Trustee                                  April 23, 1997
- --------------------------------------
    DONALD R. DWIGHT


    SAMUEL L. HAYES, III*                          Trustee                                  April 23, 1997
- --------------------------------------
    SAMUEL L. HAYES, III


    NORTON H. REAMER*                              Trustee                                  April 23, 1997
- --------------------------------------
    NORTON H. REAMER


    JOHN L. THORNDIKE*                             Trustee                                  April 23, 1997
- --------------------------------------
    JOHN L. THORNDIKE


    JACK L. TREYNOR*                               Trustee                                  April 23, 1997
- --------------------------------------
    JACK L. TREYNOR

*By /s/ JAMES B. HAWKES
    ----------------------------------
    JAMES B. HAWKES
    Attorney-in-fact
    
</TABLE>
<PAGE>

                                  SIGNATURES

   
    Senior Debt Portfolio has duly caused the Registration Statement on Form
N-2 of Eaton Vance Prime Rate Reserves to be signed on its behalf by the
undersigned, thereunto duly authorized, in Hamilton, Bermuda on the 14th day
of February, 1997.
    

                                        SENIOR DEBT PORTFOLIO

                                        By  /s/JAMES B. HAWKES
                                            --------------------------------
                                               JAMES B. HAWKES, President

   
    Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement has been signed below by the following persons in the
capacities and on the dates indicated.
    

<TABLE>
<CAPTION>
                     SIGNATURE                                TITLE                              DATE
                     ---------                                -----                              ----

<S>                                                <C>                                   <C>
   
                                                   Trustee, President and
/s/ JAMES B. HAWKES                                  Principal Executive Officer         February 14, 1997
- --------------------------------------
    JAMES B. HAWKES

                                                   Treasurer and Principal
                                                     Financial and
    JAMES L. O'CONNOR*                               Accounting Officer                  February 14, 1997
- --------------------------------------
    JAMES L. O'CONNOR


/s/ DONALD R. DWIGHT                               Trustee                               February 14, 1997
- --------------------------------------
    DONALD R. DWIGHT


/s/ M. DOZIER GARDNER                              Trustee                               February 14, 1997
- --------------------------------------
    M. DOZIER GARDNER


/s/ SAMUEL L. HAYES, III                           Trustee                               February 14, 1997
- --------------------------------------
    SAMUEL L. HAYES, III


    NORTON H. REAMER*                              Trustee                               February 14, 1997
- --------------------------------------
    NORTON H. REAMER


/s/ JOHN L. THORNDIKE                              Trustee                               February 14, 1997
- --------------------------------------
    JOHN L. THORNDIKE


/s/ JACK L. TREYNOR                                Trustee                               February 14, 1997
- --------------------------------------
    JACK L. TREYNOR
    

*By /s/ JAMES B. HAWKES
        ------------------------------
        JAMES B. HAWKES
        Attorney-in-fact
</TABLE>
<PAGE>
<TABLE>
                                                       EXHIBIT INDEX
<CAPTION>
EXHIBITS                    DESCRIPTION                                                                  PAGE
- --------                    -----------                                                                  ----
<C>                         <C>                                                                          <C>
   
(k)(c)                      Transfer Agency Agreement dated November 2, 1992
(l)                         Opinion and Consent of Counsel dated April 23, 1997
(m)(a)                      Consent of Independent Auditors for Eaton Vance Prime Rate
                              Reserves
(m)(b)                      Consent of Independent Auditors for Senior Debt Portfolio
    
</TABLE>


<PAGE>

                                                              EXHIBIT 99.(k)(c)

                            TRANSFER AGENCY AGREEMENT

         AGREEMENT dated as of November 2, 1992, between Eaton Vance Prime Rate
Reserves, a Massachusetts business trust registered as a continuously-offered
closed-end management investment company (the "Trust") with the Securities and
Exchange Commission (the "SEC"), having its principal office and place of
business at 24 Federal Street, Boston, Massachusetts 02110 and The Shareholder
Services Group, Inc. (the "Transfer Agent"), a Massachusetts corporation with
principal offices at 53 State Street, Boston, Massachusetts 02109.

                              W I T N E S S E T H:

         That for and in consideration of the mutual promises hereinafter set
forth, the Trust and the Transfer Agent agree as follows:

     1. Definitions. Whenever used in this Agreement, the following words and
phrases, unless the context otherwise requires, shall have the following
meanings:

         (a) "Authorized Person" shall be deemed to include the President, any
Vice President, the Secretary and Treasurer of the Trust, the persons listed in
Appendix A hereto, and any other person, whether or not such person is an
Officer or employee of the Trust, duly authorized to give Oral Instructions or
Written Instructions on behalf of the Trust as indicated in a certificate
furnished to the Transfer Agent pursuant to Section 5(b) hereof as may be
received by the Transfer Agent from time to time;

         (b) "Commission" shall have the meaning given it in the Investment
Company Act of 1940 (the "1940 Act");

         (c) "Custodian" refers to the custodian and any sub-custodian of all
securities and other property which the Trust may from time to time deposit, or
cause to be deposited or held under the name or account of such custodian
(pursuant to the Custodian Agreement between the Trust and Investors Bank &
Trust Company);

         (d) "Declaration of Trust" shall mean the Declaration of Trust of the
Trust as the same may be amended from time to time;

         (e) "Officer" shall mean the President, any Vice President, Secretary,
Treasurer and Assistant Treasurer;

         (f) "Oral Instructions" shall mean instructions, other than written
instructions, actually received by the Transfer Agent from a person reasonably
believed by the Transfer Agent to be an Authorized Person;

         (g) "Prospectus" shall mean the Trust's current prospectus and
statement of additional information relating to the registration of the Trust's
Shares under the Securities Act of 1933, as amended, and the 1940 Act;

         (h) "Shares" refers to the Shares of beneficial interest of each
Portfolio of the Trust;

         (i) "Shareholder" means a record owner of Shares;

         (j) "Trustees" or "Board of Trustees" refers to the duly elected
Trustees of the Trust;

         (k) "Written Instructions" shall mean written communication signed by
an Authorized Person and actually received by the Transfer Agent; and

         (l) The "1940 Act" refers to the Investment Company Act of 1940 and the
Rules and regulations promulgated thereunder, all as amended from time to time.

         2. Appointment of the Transfer Agent. The Trust hereby appoints and
constitutes the Transfer Agent as transfer agent for its Shares and as
shareholder servicing agent for the Trust, and the Transfer Agent accepts such
appointment and agrees to perform the duties hereinafter set forth.

         3. Compensation

            (a) The Trust will compensate the Transfer Agent for the performance
of its obligations hereunder in accordance with the fees set forth in the
written schedule of fees annexed hereto as Schedule A and incorporated herein.
Schedule A does not include out-of-pocket disbursements of the Transfer Agent
for which the Transfer Agent shall be entitled to bill the Trust separately.

            The Transfer Agent will bill the Trust as soon as practicable after
the end of each calendar month, and said billings will be detailed in accordance
with the Schedule A. The Trust will promptly pay (normally within 45 days of
submission of the bill) to the Transfer Agent the amount of such billing.

            Out-of-pocket disbursements shall mean the items specified in the
written schedule of out-of-pocket charges annexed hereto as Schedule B and
incorporated herein. Reimbursement by the Trust for such out-of-pocket
disbursements incurred by the Transfer Agent in any month shall be made as soon
as practicable after the receipt of an itemized bill from the Transfer Agent.
Reimbursement by the Trust for expenses other than those specified in Schedule B
shall be upon mutual agreement of the parties as provided in Schedule B.

            (b) The parties hereto will agree upon the compensation for acting
as transfer agent for any Portfolio hereafter established and designated at or
before the time that the Transfer Agent commences serving as such for said
Portfolio, and such agreement shall be reflected in a written schedule of fees
for that Portfolio, dated and signed by an Officer of each party hereto, which
shall be attached to Schedule A of this Agreement and incorporated herein.

            (c) Any compensation agreed to hereunder may be adjusted from time
to time by attaching to Schedule A of this Agreement a revised Fee Schedule,
dated and signed by an Officer of each party hereto.

         4. Documents. In connection with the appointment of the Transfer Agent,
the Trust shall upon request, on or before the date this Agreement goes into
effect, but in any case within a reasonable period of time for the Transfer
Agent to prepare to perform its duties hereunder, furnish the Transfer Agent
with the following documents.

            (a) A certified copy of the Declaration of Trust, as amended;

            (b) A certified copy of the By-Laws of the Trust, as amended;

            (c) A copy of the resolution of the Trustees authorizing the
execution and delivery of this Agreement;

            (d) If applicable, a specimen of the certificate for Shares of each
Portfolio of the Trust in the form approved by the Trustees, with a certificate
of the Secretary of the Trust as to such approval;

            (e) All account application forms and other documents relating to
Shareholder accounts or to any plan, program or service offered by the Trust;

            (f) A signature card bearing the signatures of any Officer of the
Trust or other Authorized Person who will sign Written Instructions.

         5. Further Documentation. The Trust will also furnish from time to time
the following documents:

            (a) Each resolution of the Trustees authorizing the establishment
and designation of any new Portfolio;

            (b) Certified copies of each vote of the Trustees designating
Authorized Persons;

            (c) The current Prospectus and Statement of Additional Information
of the Trust.

            (d) Certificates as to any change in any Officer or Trustee of the
Trust.

         6. Representations of the Trust. The Trust represents to the Transfer
Agent that all outstanding Shares are validly issued, fully paid and
non-assessable by the Trust. When Shares are hereafter issued in accordance with
the terms of the Trust's Declaration of Trust and its Prospectus, such Shares
shall be validly issued, fully paid and non-assessable by the Trust.

            In the event that the Trustees shall declare a distribution payable
in Shares, the Trust shall deliver to the Transfer Agent written notice of such
declaration signed on behalf of the Trust by an Officer thereof, upon which the
Transfer Agent shall be entitled to rely for all purposes, certifying (i) the
number of Shares involved and (ii) that all appropriate action has been taken.

         7. Duties of the Transfer Agent. The Transfer Agent shall be
responsible for administering and/or performing transfer agent functions; for
acting as service agent in connection with dividend and distribution functions;
and for performing shareholder account and administrative agent functions in
connection with the issuance, transfer and redemption or repurchase (including
coordination with the Custodian) of Shares. The operating standards and
procedures to be followed shall be determined from time to time by agreement
between the Transfer Agent and the Trust and shall be expressed in a written
schedule of duties of the Transfer Agent annexed hereto as Schedule C and
incorporated herein.

         8. Recordkeeping and Other Information. The Transfer Agent shall create
and maintain all necessary records in accordance with all applicable laws, rules
and regulations, including but not limited to records required by Section 31 (a)
of the 1940 Act, as amended, and the Rules thereunder, as the same may be
amended from time to time, and those records pertaining to the various functions
performed by it hereunder which are set forth in Schedule C and Exhibit 1 to
Schedule C attached hereto. All records and other data established and
maintained by the Transfer Agent pursuant to this Agreement shall be the
property of the Trust, shall be available for inspection and use by the Trust
and shall be surrendered promptly upon request. Where applicable, such records
shall be maintained by the Transfer Agent for the periods and in the places
required by Rule 31a-2 under the 1940 Act, as the same may be amended from time
to time. Disposition of such records after such prescribed periods shall be as
mutually agreed upon from time to time by the Trust and the Transfer Agent.

         9. Audit, Inspection and Visitation. The Transfer Agent shall make
available during regular business hours all records and other data created and
maintained pursuant to this Agreement for reasonable audit and inspection by the
Trust, or any person retained by the Trust. Upon reasonable notice by the Trust,
the Transfer Agent shall make available during regular business hours its
facilities and premises employed in connection with its performance of this
Agreement for reasonable visitation by the Trust, or any person retained by the
Trust, to inspect its operating capabilities or for any other reason.

       10. Confidentiality of Records. The Transfer Agent agrees to treat all
records and other information relative to the Trust and its prior, present or
potential Shareholders in confidence except that, after prior notification to
and approval in writing by the Trust, which approval shall not be unreasonably
withheld and may not be withheld where the Transfer Agent may be exposed to
civil or criminal contempt proceedings for failure to comply, when requested to
divulge such information by duly constituted authorities, or when so requested
by the Trust.

         11. Reliance by the Transfer Agent; Instructions

            (a) The Transfer Agent will be protected in acting upon Written or
Oral Instructions which it may reasonably have believed to have been executed or
orally communicated by an Authorized Person and will not be held to have any
notice of any change of authority or any person until receipt of a Written
Instruction thereof from the Trust. The Transfer Agent will also be protected in
processing properly-endorsed Share certificates (with appropriate signature
guarantee) which it reasonably believes to bear the proper manual or facsimile
signatures of the Officers of the Trust and the proper countersignature of the
Transfer Agent.

            (b) At any time the Transfer Agent may apply to any Authorized
Person of the Trust for Written Instructions and may, after obtaining prior oral
or written approval by an Authorized Person, seek advice from legal counsel for
the Trust, or its own legal counsel, with respect to any matter arising in
connection with this Agreement (the Transfer Agent shall consult with and obtain
the approval of the Trust or the Trust's counsel prior to engaging outside legal
counsel), and it shall not be liable for any action taken or not taken or
suffered by it in good faith in accordance with such Written Instructions or in
accordance with the opinion of counsel for the Trust or for the Transfer Agent.
Written Instructions requested by the Transfer Agent will be provided by the
Trust within a reasonable period of time. In addition, the Transfer Agent, its
officers, agents or employees, shall accept Oral Instructions or Written
Instructions given to them by any person representing or acting on behalf of the
Trust only if said representative is known by the Transfer Agent, or its
officers, agents or employees, to be an Authorized Person. The Transfer Agent
shall have no duty or obligation to inquire into, nor shall the Transfer Agent
be responsible for, the legality of any act done by it upon the request or
direction of an Authorized Person.

            (c) Notwithstanding any of the foregoing provisions of this
Agreement, the Transfer Agent shall be under no duty or obligation to inquire
into, and shall not be liable for: (i) the legality of the issuance or sale of
any Shares or the sufficiency of the amount to be received therefor; (ii) the
propriety of the amount per share to be paid on any redemptions; (iii) the
legality of the declaration of any dividend by the Trustees, or the legality of
the issuance of any Shares in payment of any dividend; or (iv) the legality of
any recapitalization or readjustment of the Shares.

         12. Acts of God, etc. The Transfer Agent will not be liable or
responsible for delays or errors by reason or circumstances beyond its control,
including acts of civil or military authority, national emergencies, fire,
mechanical breakdown beyond its control, flood, acts of god, insurrection, war,
riots, and loss of communication or power supply.

         13. Duty of Care and Indemnification. The Trust will indemnify the
Transfer Agent against and hold it harmless from any and all losses, claims,
damages, liabilities or expenses (including reasonable counsel fees and
expenses) resulting from any claim, demand, action or suit not resulting from
the bad faith or negligence of the Transfer Agent, and arising out of, or in
connection with, its duties on behalf of the Trust hereunder. In addition, the
Trust will indemnify the Transfer Agent against and hold it harmless from any
and all losses, claims, damages, liabilities or expenses (including reasonable
counsel fees and expenses) resulting from any claim, demand action or suit as a
result of: (i) any action taken in accordance with Written or Oral Instructions,
or any other instructions, or share certificates reasonably believed by the
Transfer Agent to be genuine and to be signed, countersigned or executed, or
orally communicated by an Authorized Person; (ii) any action taken in accordance
with written or oral advice reasonably believed by the Transfer Agent to have
been given by counsel for the Trust or its own counsel and approved by the Trust
or the Trust's counsel; or (iii) any action taken as a result of any error or
omission in any record which the Transfer Agent had no reason to believe was
inaccurate (including but not limited to magnetic tapes, computer printouts,
hard copies and microfilm copies) and was delivered, or caused to be delivered,
by the Trust to the Transfer Agent in connection with this Agreement.

         In any case in which the Trust can be asked to indemnify or hold the
Transfer Agent harmless, the Trust shall be advised of all pertinent facts
concerning the situation in question and the Transfer Agent shall notify the
Trust promptly concerning any situation which presents or appears likely to
present a claim for indemnification against the Trust. The Trust shall have the
option to defend the Transfer Agent against any claim which may be the subject
of this indemnification and, in the event that the Trust so elects, such defense
shall be conducted by counsel chosen by the Trust, and thereupon the Trust shall
take over complete defense of the claim and the Transfer Agent shall sustain no
further legal or other expenses in such situation for which it seeks
indemnification under this Section 13 unless the Transfer Agent were found by a
court or other forum to have acted in bad faith or to have been negligent with
respect to such claim. The Transfer Agent will not confess any claim or make any
compromise in any case in which the Trust will be asked to provide
indemnification, except with the Trust's prior written consent. The obligations
of the parties hereto under this Section shall survive the termination of this
Agreement.

         14. Terms and Termination. This Agreement shall become effective on the
date first set forth above (the "Effective Date") and shall continue in effect
from year to year thereafter as the parties may mutually agree; provided,
however, that either party hereto may terminate this Agreement by giving to the
other party a notice in writing specifying the date of such termination, which
shall not be less than 60 days after the date of receipt of such notice. In the
event such notice is given by the Trust, it shall be accompanied by a resolution
of the Board of Trustees, certified by the Secretary, electing to terminate this
Agreement and designating a successor transfer agent or transfer agents. Upon
such termination the Transfer Agent will deliver to such successor a certified
list of shareholders of the Trust (with names, addresses and taxpayer
identification or Social Security numbers and such other federal tax information
as the Transfer Agent may be required to maintain), an historical record of the
account of each shareholder and the status thereof, and all other relevant
books, records, correspondence, and other data established or maintained by the
Transfer Agent under this Agreement in the form reasonably acceptable to the
Trust, and will cooperate in the transfer of such duties and responsibilities,
including provisions for assistance from the Transfer Agent's personnel in the
establishment of books, records and other data by such successor or successors.

         If this Agreement is terminated, the Transfer Agent shall deliver all
records and data established or maintained under this Agreement without
compensation or other fees except that the Transfer Agent shall be entitled to
incidental out-of-pocket expenses as limited by and provided for in Schedule B
to this Agreement incurred in the delivery of such records and data.

         15. Amendment. This Agreement may not be amended or modified in any
manner except by a written agreement executed by both parties.

         16. Subcontracting. The Trust agrees that the Transfer Agent may, in
its discretion, subcontract for certain of the services described under this
Agreement or the Schedules hereto; provided that the appointment of any such
Agent shall not relieve the Transfer Agent of its responsibilities hereunder and
provided that the Transfer Agent has given 30 days prior written notice to an
Authorized Person.

         17. Use of Transfer Agent's Name. The Transfer Agent shall approve all
reasonable uses of its name which merely refer in accurate terms to its
appointment hereunder or which are required by the Commission or a state
securities commission.

         18. Use of the Trust's Name. The Transfer Agent shall not use the name
of the Trust or material relating to the Trust on any documents or forms for
other than internal use in a manner not approved prior thereto in writing;
provided, that the Trust shall approve all reasonable uses of its name which
merely refer in accurate terms to the appointment of the Transfer Agent or which
are required by the Commission or a state securities commission.

         19. Security. The Transfer Agent represents and warrants that, to best
of its knowledge, the various procedures and systems which the Transfer Agent
has implemented or will implement with regard to safeguarding from loss or
damage attributable to fire, theft or any other cause (including provision for
24 hours-a-day restricted access) of the Trust's records and other data and the
Transfer Agent's records, data, equipment, facilities and other property used in
the performance of its obligations hereunder are adequate and that it will make
such changes therein from time to time as in its judgment are required for the
secure performance of its obligations hereunder. The parties shall review such
systems and procedures on a periodic basis.

         20. Insurance. The Transfer Agent shall notify the Trust should any of
its insurance coverage as set forth in Schedule D attached hereto be changed for
any reason. Such notification shall include the date of change and reason or
reasons therefor. The Transfer Agent shall notify the Trust of any claims
against it whether or not they may be covered by insurance and shall notify the
Trust from time to time as may be appropriate, and at least within 30 days
following the end of each fiscal year of the Transfer Agent, of the total
outstanding claims made by the Transfer Agent under its insurance coverage.

         21. Miscellaneous

            (a) Any notice or other instrument authorized or required by this
Agreement to be given in writing to the Trust or the Transfer Agent, shall be
sufficiently given if addressed to that party and received by it at its office
set forth below or at such other place as it may from time to time designate in
writing.

            To the Trust:

                  Eaton Vance Prime Rate Reserves
                  24 Federal Street
                  Boston, Massachusetts 02110
                  Attention: H. Day Brigham, Jr., Esq.

                  To the Transfer Agent:

                  The Shareholder Services Group, Inc.
                  53 State Street
                  Boston, Massachusetts 02108
                  Attn:  Joseph Cole

            (b) This Agreement shall extend to and shall be binding upon the
parties hereto, and their respective successors and assigns; provided, however,
that this Agreement shall be assignable without the written consent of the other
party.

            (c) This Agreement shall be construed in accordance with the laws of
the Commonwealth of Massachusetts.

            (d) This Agreement may be executed in any number of counterparts,
each of which shall be deemed to be an original; but such counterparts shall,
together, constitute only one instrument.

            (e) The captions of this Agreement are included for convenience or
reference only and in no way define or delimit any of the provisions hereof or
otherwise affect their construction or effect.

         22. Liability of Directors, Officers and Shareholders. The execution
and delivery of this Agreement have been authorized by the Trustees of the Trust
and signed by an authorized Officer of the Trust, acting as such, and neither
such authorization by such Trustees nor such execution and delivery by such
Officer shall be deemed to have been made by any of them individually or to
impose any liability on any of them personally, and the obligations of this
Agreement are not binding upon any of the Trustees or shareholders of the Trust,
but bind only the trust property of the Trust as provided in the Declaration of
Trust.

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed by their respective officers thereunder duly authorized as of the day
and year first above written.

                                                Eaton Vance Prime Rate Reserves

Attest:  ----------------------------------     By:  /s/ James L. O'Connor

                                                The Shareholder Services
                                                  Group, Inc.

Attest:  /s/  Joseph F. Colee                   By:  /s/ Susan Mann
                  2/9/93

<PAGE>

                                                                      Appendix A

AUTHORIZED PERSONS

Benjamin A. Rowland, Jr.

Jeffrey P. Beale

Daniel T. MacLellan

Richard E. Houghtes

Stephen R. Sherman

<PAGE>

                                   Schedule A

SCHEDULE OF FEES

         The following annual fees shall be payable by the Trust as a percentage
of its aggregate net assets and with the following breakpoints:

             first    $250 million     @        6 basis points
             next     $250 million     @        5 basis points
             next     $500 million     @        4 basis points
             over     $1 billion       @        3 basis points

<PAGE>

                                   Schedule B

OUT-OF-POCKET EXPENSES

         The Trust shall reimburse the Transfer Agent monthly for the following
out-of-pocket expenses:

                  o postage and mailing
                  o forms
                  o outgoing wire charges
                  o telephone

                  o if applicable, magnetic tape and freight
                  o retention of records
                  o microfilm/microfiche
                  o stationery

                  o if applicable,  terminals,  transmitting  lines and
                    any expenses  incurred in connection with such
                    terminals and lines

         The Trust agrees that an estimate of the postage and mailing expenses
of the Transfer Agent will be paid on the day of or prior to a mailing if
requested reasonably in advance by the Transfer Agent. In addition, the Trust
will reimburse the Transfer Agent for other expenses incurred by the Transfer
Agent which the Trust and the Transfer Agent agree are not otherwise properly
borne by the Transfer Agent as part of its duties and obligations under the
Agreement.

<PAGE>

                                   Schedule C

DUTIES OF THE TRANSFER AGENT (See Exhibit 1 for Summary of Services)

         1. Shareholder Information. The Transfer Agent shall maintain a record
of the number of Shares held by each holder of record which shall include their
addresses and taxpayer identification numbers and which shall indicate whether
such Shares are held in certificated or uncertificated form. The Transfer Agent
shall also maintain information necessary for the proper calculation of early
withdrawal charges in accordance with the percentages and aging of such charges
outlined in the Trust's prospectus.

         2. Shareholder Services. The Transfer Agent will investigate all
Shareholder inquiries relating to Shareholder accounts and will answer all
correspondence from Shareholders and others relating to its duties hereunder
between the Transfer Agent and the Trust. The Transfer Agent shall keep records
of Shareholder correspondence and replies thereto, and of the lapse of time
between the receipt of such correspondence and the mailing of such replies.

         3. State Registration Reports. The Transfer Agent shall furnish the
Trust, on a state-by-state basis, sales reports, such periodic and special
reports as the Trust may reasonably request, and such other information,
including Shareholder lists and statistical information concerning accounts, as
may be agreed upon from time to time between the Trust and the Transfer Agent.

         4. Share Certificates

            (a) At the expenses of the Trust, the Transfer Agent shall maintain
an adequate supply of blank Share certificates to meet the Transfer Agent's
requirements therefor. Such Share certificates shall be properly signed by
facsimile. The Trust agrees that, notwithstanding the death, resignation, or
removal of any Officer of the Trust whose signature appears on such
certificates, the Transfer Agent may continue to countersign certificates which
bear such signatures until otherwise directed by the Trust.

            (b) The Transfer Agent shall issue replacement Share certificates in
lieu of certificates which have been lost, stolen or destroyed without any
further action by the Board of Trustees or any Officer of the Trust, upon
receipt by the Transfer Agent of properly executed affidavits and lost
certificate bonds, in form satisfactory to the Transfer Agent, with the Trust
and the Transfer Agent as obligees under the bond.

            (c) The Transfer Agent shall also maintain a record of each
certificate issued, the number of Shares represented thereby and the holder of
record. With respect to Shares held in open accounts or uncertificated forms,
i.e., no certificate being issued with respect thereto, the Transfer Agent shall
maintain comparable records of the record holders thereof, including their
names, addresses and taxpayer identification numbers. The Transfer Agent shall
further maintain separately for the Trust a stop transfer record on lost and/or
replaced certificates.

         5. Mailing Communications to Shareholders; Proxy Materials. The
Transfer Agent will address and mail to Shareholders of the Trust all reports to
Shareholders, dividend and distribution notices and proxy material for the
Trust's meetings of Shareholders, and such other communications as the Trust may
authorize. In connection with meetings of Shareholders, the Transfer Agent will
prepare Shareholder lists, mail and certify as to the mailing of proxy
materials, process and tabulate returned proxy cards, report on proxies voted
prior to meetings, act as inspector of election at meetings and certify Shares
voted at meetings.

        6. Sales of Shares

            (a) Processing of Investment Checks or Other Investments. Upon
receipt of any check or other instrument drawn or endorsed to it as agent for,
or identified as being for the account of, the Trust, or drawn or endorsed to
the Distributor of the Trust's Shares for the purchase of Shares, the Transfer
Agent shall stamp the check with the date of receipt, shall forthwith process
the same for collection and shall record the number of Shares sold, the trade
date and price per Share, and the amount of money to be delivered to the
Custodian of the Trust for the sale of such Shares.

            Upon receipt of an order to purchase shares from a broker or dealer
pursuant to procedures approved by the Trust, the Transfer Agent shall record
the number of Shares sold for the account of such broker or dealer, the trade
date and price per share, the amount of money to be delivered to the Custodian
of the Trust for the sale of such Shares, and shall confirm such order and
amount to the broker or dealer promptly in accordance with good industry
practice.

            (b) Issuance of Shares. Upon receipt of notification that the
Custodian has received the amount of money specified in the first paragraph of
section (a) above, the Transfer Agent shall issue to and hold in the account of
the purchaser/Shareholder, or if no account is specified therein, in a new
account established in the name of the purchaser, the number of Shares such
purchaser is entitled to receive, as determined in accordance with applicable
Federal law or regulation.

            (c) Confirmation. The Transfer Agent shall send to the
purchaser/Shareholder a confirmation of each purchase which will show the new
Share balance, the Shares held under a particular plan, if any, for withdrawing
investments, the amount invested and the price paid for the newly purchased
Shares, or will be in such other form as the Trust and the Transfer Agent may
agree from time to time.

            (d) Suspension of Sales of Shares. The Transfer Agent shall not be
required to issue any Shares of the Trust where it has received a Written
Instruction from the Trust or written notice from any appropriate Federal or
state authority that the sale of the Shares of the Trust has been suspended or
discontinued, and the Transfer Agent shall be entitled to rely upon such Written
Instructions or written notification.

            (e) Taxes in Connection with Issuance of Shares. Upon the issuance
of any Shares in accordance with the foregoing provisions of this Section, the
Transfer Agent shall not be responsible for the payment of any original issue or
other taxes required to be paid in connection with such issuance.

            (f) Returned Checks. In the event that any check or other order for
the payment of money is returned unpaid for any reason, the Transfer Agent will:
(i) give prompt notice of such return to the Trust or its designee; (ii) place a
stop transfer order against all Shares issued as a result of such check or
order; and (iii) take such actions as the Transfer Agent may from time to time
deem appropriate.

         7. Redemptions

            (a) Requirements for transfer or Redemption of Shares. The Transfer
Agent shall process all requests from Shareholders to transfer or redeem Shares
in accordance with the procedures set forth in the Trust's Prospectus, or as
authorized by the Trust pursuant to Written Instructions, including, but not
limited to, all requests from Shareholders to redeem Shares of each Portfolio,
all determinations of the number of Shares required to be redeemed to fund
designated monthly payments and automatic payments or any such distribution or
withdrawal plan.

            The Transfer Agent reserves the right to refuse to transfer or
redeem Shares until it is satisfied that the instructions to do so are valid and
genuine, in accordance with procedures set forth in the Trust's Prospectus. The
Transfer Agent shall incur no liability for the refusal, in good faith, to make
transfer or redemptions which the Transfer Agent, in its good judgment deems
improper or unauthorized based upon such procedures, or until it is reasonably
satisfied that there is no basis for any claim adverse to such transfer or
redemption.

            The Transfer Agent may in effecting transactions, rely upon the
provisions of the Uniform Act for the Simplification of Fiduciary Security
Transfers or the provisions of Article 8 of the Uniform Commercial Code, as the
same may be amended from time to time in the Commonwealth of Massachusetts,
which in the opinion of legal counsel for the Trust or of its own legal counsel
protect it in not requiring certain documents in connection with the transfer or
redemption of Shares. The Trust may authorize the Transfer Agent to waive the
signature guarantee in certain cases by Written Instructions.

            For the purpose of the redemption of Shares of each Portfolio which
have been purchased within 15 days of a redemption request, the Trust shall
provide the Transfer Agent with written Instructions (see Exhibit 2 hereto)
concerning the time within which such requests may be honored.

            (b) Notice to Custodian. When Shares are redeemed, the Transfer
Agent shall, upon receipt of the instructions and documents in proper form,
deliver to the Custodian a notification setting forth the number of Shares to be
redeemed. Such redemptions shall be reflected on appropriate accounts maintained
by the Transfer Agent reflecting outstanding Shares of the Trust and Shares
attributed to individual accounts and, if applicable, any individual withdrawal
or distribution plan.

            (c) Payment of Redemption Proceeds. The Transfer Agent shall, upon
receipt of the money paid to it by the Custodian for the redemption of Shares,
pay to the Shareholder, or his authorized agent or legal representative, such
monies as are received from the Custodian, all in accordance with the redemption
procedures described in the Trust's Prospectus; provided, however, that the
Transfer Agent shall pay the proceeds of any redemption of Shares purchased
within a period of time agreed upon in writing by the Transfer Agent and the
Trust only in accordance with procedures agreed to in writing by the Transfer
Agent and the Trust for determining that good funds have been collected for the
purchase of such Shares, such written procedures being attached to this Schedule
as Exhibit 2. The Trust shall indemnify the Transfer Agent for any payment of
redemption proceeds or refusal or make such payment if the payment or refusal to
pay is in accordance with said written procedures.

            The Transfer Agent shall not process or effect any redemptions
pursuant to a plan of distribution or redemption or in accordance with any other
Shareholder request upon the receipt by the Transfer Agent of notification of
the suspension of the determination of the Trust's net asset value.

            (d) The Transfer Agent shall send to the Shareholder a confirmation
of each redemption showing the amount (and price) of shares redeemed, the new
Share balance, and such other information as the Trust may request from time to
time.

            (e) In connection with processing redemptions, the Transfer Agent
shall be responsible for calculating appropriate early withdrawal charges with
respect to shareholder accounts and paying such amounts to the Trust's
investment adviser in accordance with the Trust's prospectus.

         8. Dividends

            (a) Notice to Transfer Agent and Custodian. Upon the declaration of
each dividend and each capital gains distribution by the Board of Trustees of
the Trust with respect to Shares of a Portfolio, the Trust shall furnish to the
Transfer Agent Written Instructions setting forth, with respect to Shares of
such Portfolio, the date of the declaration of such dividend or distribution,
the ex-dividend date, the date of payment thereof, the record date as of which
Shareholders entitled to payment shall be determined, the amount payable per
Share to the Shareholders of record as of that date, the total amount payable to
the Transfer Agent on the payment date and whether such dividend or distribution
is to be paid in Shares of such class at net asset value.

            On or before the payment date specified in such resolution of the
Board of Trustees, the Trust will cause the Custodian of the Trust to pay to the
Transfer Agent sufficient cash to make payment to the Shareholders of record as
of such payment date.

            (b) Payment of Dividends by the Transfer Agent. The Transfer Agent
will, on the designated payment date, automatically reinvest all dividends in
additional Shares at net asset value (determined on the record date of such
dividend with respect to Shareholders who have elected such reinvestment), and
promptly mail to each Shareholder at his address of record, or such other
address as the Shareholder may have designated, a statement showing the number
of full and fractional Shares (rounded to three decimal places) then currently
owned by the Shareholder and the net asset value of the Shares so credited to
the Shareholder's account. All other dividends shall be paid in cash, or by
check, to Shareholders of their designees, for shareholders who have so elected.

            (c) Insufficient Funds for Payments. If the Transfer Agent does not
receive sufficient cash from the Custodian to make total dividend and/or
distribution payments to all Shareholders of a Portfolio of the Trust as of the
record date, the Transfer Agent will, upon notifying the Trust, withhold payment
to all Shareholders of record as of the record date until such sufficient cash
is provided to the Transfer Agent.

            (d) Information Returns. It is understood that the Transfer Agent
shall file in a timely manner such appropriate information returns concerning
the payment of dividends, return of capital, capital gains distributions and
special information returns for retirement plan accounts with the proper
Federal, state, local and other authorities as are required by law to be filed
and shall be responsible for the withholding of taxes, if any, due on such
dividends or distributions to Shareholders when required to withhold taxes under
applicable law. The Transfer Agent shall also mail copies of such information
returns to the appropriate Shareholders.
<PAGE>

                                    Exhibit 1
                                       to

                                   Schedule C

                               Summary of Services

The services to be performed by the Transfer Agent shall be as follows;

A.  DAILY RECORDS

     Maintain daily on disk, tape or other magnetic media the following
information with respect to each shareholder account as received:

     o Name and Address (Zip Code)
     o Balance of Shares held by Transfer Agent
     o State of residence code

     o Beneficial owner code: i.e, male, female, joint tenant, etc.
     o Dividend code (reinvestment)
     o Number of Shares held in certificate form
     o Tax information (certified tax identification number, any TEFRA and

       backup withholding)

     o Other special coding for retirement plan accounts

B.  OTHER DAILY ACTIVITY

     o Answer written inquiries relating to Shareholder accounts (matters
       relating to portfolio management, distribution of Shares and other
       management policy questions will be referred to the Trust).

     o Furnish a Statement of Additional Information to any Shareholder who
       requests (in writing or by telephone) such statement from the Transfer
       Agent.

     o Examine and process Share purchase applications in accordance with the
       Prospectus.

     o Furnish Forms W-9 to all shareholders whose initial subscriptions for
       Shares did not include certified taxpayer identification numbers.

     o Process additional payments into established Shareholder accounts in
       accordance with the Prospectus.

     o Upon receipt of proper instructions and all required documentation,
       process requests for redemption of Shares.

     o In accordance with procedures outlined in the Trust's Prospectus, process
       and effect telephone exchanges among funds with similar distribution
       plans.

     o Maintain records of Letter of Intent escrow shares.

     o Maintain records necessary to properly invoke the contingent deferred
       sales charge.

     o Identify redemption requests made with respect to accounts in which
       Shares have been purchased within an agreed-upon period of time for
       determining whether good funds have been collected with respect to such
       purchase and process as agreed by the Transfer Agent and the Trust in
       accordance with written procedures set forth in the Trust's Prospectus.

     o Examine and process all transfers of Shares, ensuring that all transfer
       requirements and legal documents have been supplied.

     o Issue and mail replacement checks.

     o Maintain and execute share purchases with respect to Rights of
       Accumulation.

C.  SPECIAL REQUIREMENTS WITH RESPECT TO DAILY FUNDING

    The Transfer Agent shall provide the Custodian on or before 9:30 A.M. each
    day reports summarizing the previous day's transaction activity, subtotaled
    by transaction type and trade date, and showing the balance of the Trust's
    shares outstanding and other pertinent information. These reports shall
    indicate all cash amounts to be paid or received by the Trust for such
    purposes as settling sales and redemption of Trust Shares or making
    distributions to Shareholders. Providing that the Transfer Agent has
    reported the daily settlement amounts in a timely manner with appropriate
    back-up documentation, the Trust will cause to be wired monies due the
    Transfer Agent by the Trust on or before the close of business that day. All
    monies due the Trust from the Transfer agent shall be wired by the Transfer
    Agent on or before 2:00 P.M.

D.  REPORTS PROVIDED TO THE TRUST AND/OR THE CUSTODIAN

    Furnish the following reports to the Trust:

    o Daily financial totals

    o Monthly form N-SAR information (sales/redemptions)

    o Monthly report of outstanding Shares

    o Monthly analysis of accounts by beneficial owner code

    o Monthly analysis of accounts by share range

    o Bi-monthly analysis of sales by state; provide a "warning system" that
      informs the Trust when sales of Shares in certain states are within a
      specified percentage of the Shares registered in the state.

E.  DIVIDEND AND REDEMPTION ACTIVITY

    o Calculate and process Share dividends and distributions as instructed by
      the Trust.

    o Compute; prepare and mail all necessary reports to Shareholders, federal
      and/or state authorities as requested by the Trust.

    o On the payable date of a distribution to shareholders, the Transfer Agent
      shall deliver to the Custodian a complete dividend reconciliation,
      including the record date shares, total amount distributed, amount
      reinvested and cash due the Transfer Agent. Payment of the cash by the
      Custodian upon receipt of the reconciliation shall be contingent upon the
      Custodian's assent that the figures in such reconciliation appear to be
      reasonable.

    o The Transfer Agent shall deliver a final dividend reconciliation to the
      Custodian no later than 30 days after the payable date which will reflect
      any adjustments made subsequent to the payable date. After the final
      dividend reconciliation is prepared, no further adjustments shall be made
      to affect the total amount of the distribution without the written
      approval of the Trust.

F.  MEETINGS OF SHAREHOLDERS

    o Cause to be mailed proxy and related material for all meetings of
      Shareholders. Tabulate returned proxies (proxies must be adaptable to
      mechanical equipment of the Transfer Agent or its agents) and supply daily
      reports when sufficient proxies have been received.

    o Prepare and submit to the Trust an Affidavit of Mailing.

    o At the time of the meeting, if requested, furnish a certified list of
      Shareholders in hard copy, microfilm or microfiche and Inspectors of
      Election.

G.  PERIODIC ACTIVITIES

    o Cause to be mailed reports, Prospectuses, and any other enclosures
      requested by the Trust (material must be adaptable to the mechanical
      equipment of Transfer Agent or its agents).

    o Produce and mail periodic statements as requested to Shareholders and
      broker/dealers.

H.  AS OF TRANSACTIONS

    o The Transfer Agent shall make every effort to minimize the occurrence of
      "as of" transactions. For those that do occur, the Transfer Agent shall
      maintain records as to the reason for the delay in processing. In the
      event the delayed processing is the fault of the Transfer Agent, and the
      Trust sustains a loss, the Trust shall be entitled to compensation from
      the Transfer Agent.

<PAGE>

                                    Exhibit 2

                                       to

                                   Schedule C

         It is hereby agreed between the Trust and the Transfer Agent that
Shares purchased by personal check may be redeemed only after they are deemed to
have been collected in accordance with the attached check-aging schedule. The
check-aging schedule, which is based upon a Shareholder's address of record,
designates the number of days between the receipt of an investment check by the
Transfer Agent and the date on which funds provided by such checks will be
deemed to have been collected.

<PAGE>

                              CHECK-AGING SCHEDULE

STATE             STATE                                                 NUMBER
CODE              ABBREV.            STATE DESCRIPTION                  OF DAYS

01                AL                Alabama                               9
02                AK                Alaska                               15
03                AZ                Arizona                              12
04                AR                Arkansas                              9
05                CA                California                           13
06                CO                Colorado                             11
07                CT                Connecticut                           7
08                DE                Delaware                              7
09                DC                District of Columbia                  8
10                FL                Florida                               9
11                GA                Georgia                               9
12                HI                Hawaii                               15
13                ID                Idaho                                11
14                IL                Illinois                             10
15                IN                Indiana                              10
16                IA                Iowa                                 10
17                KS                Kansas                               10
18                KY                Kentucky                              9
19                LA                Louisiana                             9
20                ME                Maine                                 7
21                MD                Maryland                              8
22                MA                Massachusetts                         7
23                MI                Michigan                             10
24                MN                Minnesota                            10
25                MS                Mississippi                          10
26                MO                Missouri                             10
27                MT                Montana                              11
28                NE                Nebraska                             10
29                NV                Nevada                               11
30                NH                New Hampshire                         7
31                NJ                New Jersey                            8
32                NM                New Mexico                           11
33                NY                New York                              8
34                NC                North Carolina                        9
35                ND                North Dakota                         11
36                OH                Ohio                                 10
37                OK                Oklahoma                             11
38                OR                Oregon                               12
39                PA                Pennsylvania                          8
40                RI                Rhode Island                          7
41                SC                South Carolina                        9
42                SD                South Dakota                         11
43                TN                Tennessee                             9
44                TX                Texas                                11
45                UT                Utah                                 12
46                VT                Vermont                               7
47                VA                Virginia                              9
48                WA                Washington                           12
49                WV                West Virginia                         9
50                WI                Wisconsin                            10
51                WY                Wyoming                              11
52                PR                Puerto Rico                          16
53                53                APO, FPO New York
54                54                APO, FPO California
55                55                Other U.S. Possessions
56                56                Foreign Addresses
<PAGE>

                                   SCHEDULE D

SCHEDULE OF INSURANCE COVERAGE

The Transfer Agent and its New York clearing facility, Boston Safe Clearing
Corporation, are named insureds under the following insurance policies presently
in force covering assets held in custody at either company.

BANKERS BLANKET BOND

Basic Coverage:   $22,500,000

Carrier: Continental Insurance Company #BND1619079, et al., policy dated April
7, 1985 and effective until canceled.

Deductible: $250,000

         This coverage relates to any dishonest act of any employee of the
         Transfer Agent and to any loss by burglary or mysterious unexplainable
         disappearance of securities. The bond provides coverage for forgery
         losses up to $2,500,000 and losses for the Transfer Agent's acceptance
         of counterfeited securities in good faith up to $1,000,000.

Additional Coverage;

         In addition, both companies are named insureds for $57,500,000 of
         excess bond coverage through American Express, bringing the total
         blanket bond coverage to $80,000,000.

         Also, through American Express, the Transfer Agent has $245,000,000 of
         Lost Instrument Bond coverage in addition to the $80.0 million blanket
         bond coverage.

ERRORS AND OMISSIONS & FIDUCIARY LIABILITY INSURANCE POLICY

Coverage:         $5,000,000

Carrier:          First State Insurance  Company,  policy dated November 14,
                  1988, and effective until November 14, 1989

Deductible:       $250,000

         Protection under the Errors and Omissions Policy for an account would
         be in the area of any alleged negligent act, error, or omission
         committed by the Transfer Agent in the course of its performance of its
         duties as Custodian.

As a participant in the Depository Trust Company ("DTC"), the Transfer Agent is
insured under policies made available by DTC with respect to securities
deposited.


<PAGE>
                                                                   Exhibit 99.l
                             Eaton Vance Management
                                24 Federal Street
                                Boston, MA 02110
                                 (617) 482-8260

                                                              April 23, 1997

Eaton Vance Prime Rate Reserves
24 Federal Street
Boston, MA  02110

Gentlemen:

         Eaton Vance Prime Rate Reserves (the "Trust") is a Massachusetts
business trust created under a Declaration of Trust dated May 2, 1989 executed
and delivered in Boston, Massachusetts and Amended and Restated June 30, 1989
(the "Declaration of Trust").

         I am of the opinion that all legal requirements have been complied with
in the creation of the Trust, and that said Declaration of Trust is legal and
valid.

         The Trustees of the Trust have the powers set forth in the Declaration
of Trust, subject to the terms, provisions and conditions therein provided. As
provided in the Declaration of Trust, the Trustees may authorize one or more
classes of shares and the number of shares of each class authorized is
unlimited. Furthermore, the Trustees may from time to time issue and sell or
cause to be issued and sold shares of the Trust for cash or for property. All
such shares, when so issued, shall be fully paid and nonassessable by the Trust.

         By votes adopted March 24, 1997, the Trustees of the Trust authorized
the issuance of an additional 100,000,000 common shares of beneficial interest,
without par value, of the Trust. The Trust is now registering on Form N-2 with
the Securities and Exchange Commission such 100,000,000 common shares of
beneficial interest under the Securities Act of 1933, as amended.

         I have examined originals, or copies, certified or otherwise identified
to my satisfaction, of such certificates, records and other documents as we have
deemed necessary or appropriate for the purpose of this opinion.

         Based upon the foregoing, and with respect to Massachusetts law (other
than the Massachusetts Uniform Securities Act), only to the extent that
Massachusetts law may be applicable and without reference to the laws of the
other several states or of the United States of America, I am of the opinion
that under existing law:

         1. The Trust is a trust with transferable shares of beneficial interest
organized in compliance with the laws of the Commonwealth of Massachusetts, and
the Declaration of Trust is legal and valid under the laws of the Commonwealth
of Massachusetts.

         2. Common shares of beneficial interest of the Trust registered by Form
N-2 may be legally and validly issued in accordance with the Declaration of
Trust upon receipt by the Trust of payment in compliance with the Declaration of
Trust and, when so issued and sold, will be fully paid and nonassessable by the
Trust.

         I am a member of the Massachusetts bar and have acted as internal legal
counsel for the Trust in connection with the registration of shares.

         I hereby consent to the filing of this opinion with the Securities and
Exchange Commission as an exhibit to the Trust's Registration Statement on Form
N-2 pursuant to the Securities Act of 1933, as amended.

                                                          Very truly yours,

                                                          /s/ Eric G. Woodbury
                                                         ----------------------
                                                          Eric G. Woodbury, Esq.
                                                          Vice President




<PAGE>
                                                                EXHIBIT (m)(a)

                        INDEPENDENT AUDITORS' CONSENT

We consent to the incorporation by reference in this Registration Statement of
Eaton Vance Prime Rate Reserves of our report relating to Eaton Vance Prime Rate
Reserves dated February 7, 1997, which report is included in the Annual Report
to Shareholders for the year ended December 31, 1996.

We also consent to the reference to our Firm under the heading "The Fund's
Financial Highlights" appearing in the Prospectus and under the captions
"Auditors" and "Financial Statements" in the Statement of Additional Information
of the Registration Statement, which is part of such Registration Statement.

/s/ Deloitte & Touche LLP
- -------------------------
Deloitte & Touche LLP

Boston, Massachusetts
April 23, 1997


<PAGE>

                                                                EXHIBIT (m)(b)

                        INDEPENDENT AUDITORS' CONSENT

We consent to the incorporation by reference in the Registration Statement of
Eaton Vance Prime Rate Reserves of our report relating to Senior Debt
Portfolio dated February 7, 1997, in the Statement of Additional Information,
which is part of such Registration Statement.

We also consent to the reference to our firm under the captions "Auditors" and
"Financial Statements" in the Statement of Additional Information of the
Registration Statement.

/s/ Deloitte & Touche
- ----------------------------------
Deloitte & Touche

Grand Cayman, Cayman Islands
British West Indies
April 23, 1997

WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

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<PAGE>
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<NET-INVESTMENT-INCOME>                          94414
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<ACCUMULATED-NII-PRIOR>                              0
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<PER-SHARE-NAV-END>                               9.99
<EXPENSE-RATIO>                                   1.39
<AVG-DEBT-OUTSTANDING>                               0
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<TABLE> <S> <C>

<PAGE>
<ARTICLE> 6
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<INVESTMENTS-AT-COST>                          2897294
<INVESTMENTS-AT-VALUE>                         2891420
<RECEIVABLES>                                    18371
<ASSETS-OTHER>                                  108766
<OTHER-ITEMS-ASSETS>                               962
<TOTAL-ASSETS>                                 3019520
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         9445
<TOTAL-LIABILITIES>                               9445
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       3015948
<SHARES-COMMON-STOCK>                                0
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<ACCUMULATED-NII-CURRENT>                            0
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<ACCUM-APPREC-OR-DEPREC>                             0
<NET-ASSETS>                                   3010074
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                               190545
<OTHER-INCOME>                                    5007
<EXPENSES-NET>                                   24305
<NET-INVESTMENT-INCOME>                         171247
<REALIZED-GAINS-CURRENT>                        (2510)
<APPREC-INCREASE-CURRENT>                       (1388)
<NET-CHANGE-FROM-OPS>                           167349
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<NET-CHANGE-IN-ASSETS>                         1388736
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