As filed with the Securities and Exchange Commission on January 16, 2004

                               1933 Act File No. 333-111041
                                1940 Act File No. 811-21411

U.S. SECURITIES AND EXCHANGE COMMISSION
        WASHINGTON, D.C. 20549

               FORM N-2

      REGISTRATION STATEMENT
 UNDER THE SECURITIES ACT OF 1933     [ ]
   PRE-EFFECTIVE AMENDMENT NO. 1      [X]
     POST-EFFECTIVE AMENDMENT NO.     [ ]

AND/OR

REGISTRATION STATEMENT UNDER THE
INVESTMENT COMPANY ACT OF 1940
AMENDMENT NO. 5 [X]
(CHECK APPROPRIATE BOX OR BOXES)

EATON VANCE SENIOR FLOATING-RATE TRUST
(EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)

THE EATON VANCE BUILDING, 255 STATE STREET, BOSTON, MASSACHUSETTS 02109
(ADDRESS OF PRINCIPAL EXECUTIVE OFFICES) (ZIP CODE)

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

ALAN R. DYNNER
THE EATON VANCE BUILDING, 255 STATE STREET, BOSTON, MASSACHUSETTS 02109
NAME AND ADDRESS (OF AGENT FOR SERVICE)

COPIES OF COMMUNICATIONS TO:

    MARK P. GOSHKO, ESQ.                          THOMAS A. HALE, ESQ.
 KIRKPATRICK & LOCKHART LLP                       SKADDEN, ARPS, SLATE
       75 STATE STREET                             MEAGHER & FLOM LLP
BOSTON, MASSACHUSETTS 02109                     CHICAGO, ILLINOIS 60606

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

If any of the securities being registered on this form are to 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. [ ]

It is proposed that this filing will become effective (check appropriate box):
[X] when declared effective pursuant to Section 8(c)


CALCULATION OF REGISTRATION FEE UNDER THE SECURITIES ACT OF 1933

                                                             PROPOSED          PROPOSED
                                                             MAXIMUM            MAXIMUM
                                         AMOUNT BEING        OFFERING           AGGREGATE           AMOUNT OF
                                          REGISTERED       PRICE PER UNIT    OFFERING PRICE     REGISTRATION FEES
TITLE OF SECURITIES BEING REGISTERED          (1)              (1)                (1)                (1)(2)
------------------------------------          ---              ---                ---                ------
Auction Preferred Shares, $0.01 par         15,760           $25,000.00       $394,000,000         $31,874.60
value

(1) Estimated solely for purposes of calculating the registration fee, pursuant to Rule 457(o) under the Securities Act of 1933.

(2) A registration fee of $80.90 was previously paid in connection with the initial filing filed on December 10, 2003.


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 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 DATES AS THE COMMISSION, ACTING PURSUANT TO SAID SECTION 8(A), MAY DETERMINE.


THE INFORMATION IN THIS PROSPECTUS IS INCOMPLETE AND MAY BE CHANGED. WE MAY NOT SELL THESE SECURITIES UNTIL THE REGISTRATION STATEMENT FILED WITH THE SECURITIES AND EXCHANGE COMMISSION IS EFFECTIVE. THIS PROSPECTUS IS NOT AN OFFER TO SELL THESE SECURITIES, AND WE ARE NOT SOLICITING OFFERS TO BUY THESE SECURITIES, IN ANY STATE WHERE THE OFFER OR SALE IS NOT PERMITTED.

PRELIMINARY PROSPECTUS SUBJECT TO COMPLETION January 16, 2004

$394,000,000

EATON VANCE SENIOR FLOATING-RATE TRUST

3,940 SHARES, SERIES A
3,940 SHARES, SERIES B
3,940 SHARES, SERIES C
3,940 SHARES, SERIES D

[EATON VANCE LOGO]

AUCTION PREFERRED SHARES
LIQUIDATION PREFERENCE $25,000 PER SHARE


INVESTMENT OBJECTIVES. Eaton Vance Senior Floating-Rate Trust (the "Trust") is a recently organized, diversified, closed-end management investment company. The Trust's investment objective is to provide a high level of current income. The Trust may, as a secondary objective, also seek preservation of capital to the extent consistent with its primary goal of high current income. The Trust will seek to achieve its investment objectives by investing primarily in senior, secured floating rate loans ("Senior Loans"). Under normal market conditions, Eaton Vance Management ("Eaton Vance" or the "Adviser"), the Trust's investment adviser, expects the Trust to maintain an average duration of less than one year (including the effect of leverage).

PORTFOLIO CONTENTS. The Trust pursues its objectives by investing its assets primarily in Senior Loans. Under normal market conditions, the Trust will invest at least 80% of its total assets in Senior Loans. Senior Loans are made to corporations, partnerships and other business entities ("Borrowers") which operate in various industries and geographical regions, including foreign Borrowers. Senior Loans pay interest at rates which are redetermined periodically on the basis of a floating base lending rate plus a premium. Senior Loans typically are of below investment grade quality and have below investment grade credit ratings, which ratings are associated with securities having high risk, speculative characteristics. Because of the protective features of Senior Loans (being senior in a Borrower's capital structure and secured by specific collateral), the Adviser believes, based on its experience, that Senior Loans tend to have more favorable loss recovery rates compared to most other types of below investment grade obligations which are subordinated and unsecured.

INVESTMENT ADVISER. The Trust's investment adviser is Eaton Vance. As of December 31, 2003, Eaton Vance and its subsidiaries managed approximately $80 billion on behalf of funds, institutional clients and individuals. As of December 31, 2003, Eaton Vance and its subsidiaries managed more than $11.5 billion in funds, in other commingled investment vehicles and for institutional accounts which invest primarily in Senior Loans. (continued on inside cover page)

INVESTING IN AUCTION PREFERRED SHARES ("APS") INVOLVES CERTAIN RISKS, INCLUDING THAT THE TRUST MAY INVEST SUBSTANTIAL PORTIONS OF ITS ASSETS IN BELOW INVESTMENT GRADE QUALITY SECURITIES WITH SPECULATIVE CHARACTERISTICS. SEE "INVESTMENT OBJECTIVES, POLICIES AND RISKS--RISK CONSIDERATIONS."

NEITHER THE SECURITIES AND EXCHANGE COMMISSION ("SEC") NOR ANY STATE SECURITIES COMMISSION HAS APPROVED OR DISAPPROVED OF THESE SECURITIES OR PASSED UPON THE ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

                                                              PRICE TO PUBLIC   SALES LOAD   PROCEEDS TO TRUST(1)
-----------------------------------------------------------------------------------------------------------------
Per share                                                      $       25,000   $      250       $     24,750
-----------------------------------------------------------------------------------------------------------------
Total                                                          $  394,000,000   $3,940,000       $390,060,000
-----------------------------------------------------------------------------------------------------------------

(1) Plus accumulated dividends, if any, from the date the Auction Preferred Shares are issued, but before offering expenses payable by the Trust estimated to be $450,000. The Trust and Adviser have agreed to indemnify the underwriters against certain liabilities under the Securities Act of 1933, as amended. See "Underwriting."

The underwriters are offering the APS subject to various conditions. The underwriters expect to deliver the APS in book-entry form, through the facilities of The Depository Trust Company to purchasers on or about January , 2004.

UBS INVESTMENT BANK MERRILL LYNCH & CO. WACHOVIA SECURITIES A.G. EDWARDS & SONS, INC.



(continued from the previous page)

Capitalized terms not otherwise defined are defined in the Glossary that appears at the end of this Prospectus. The APS are offered at a price per share of $25,000 subject to a sales load of $250 per share.

Dividends on the APS of the Trust offered hereby will be cumulative from the Date of Original Issue and payable commencing on the dates specified below (an "Initial Dividend Payment Date") and, generally on a basis of once every twenty-eight days thereafter on the days specified below, subject to certain exceptions. The cash dividend rate (the "Applicable Rate") on the APS for the Initial Dividend Period on such dates will be the per annum rate specified below:

                                               INITIAL DIVIDEND      NORMAL           INITIAL
                                                 PAYMENT DATE      PAYMENT DAY    APPLICABLE RATE
                                               ----------------   -------------   ---------------
Series A.....................................                                              %
Series B.....................................                                              %
Series C.....................................                                              %
Series D.....................................                                              %

The APS will not be registered on any stock exchange or on any automated quotation system. APS may only be bought or sold through an order at an Auction with or through a broker-dealer that has entered into an agreement with the Auction Agent of the Trust, or in a secondary market that may be maintained by certain broker-dealers. These broker-dealers are not required to maintain this market and it may not provide you with liquidity. An increase in the level of interest rates, particularly during any Special Dividend Period that is a Long Term Dividend Period as discussed in "Description of APS--Dividends and dividend periods--General," likely will have an adverse effect on the secondary market price of the APS, and a selling shareholder may sell APS between Auctions at a price per share of less than $25,000.

Each prospective purchaser should review carefully the detailed information regarding the Auction Procedures which appears in this Prospectus and the Trust's Statement of Additional Information and should note that (i) an Order constitutes an irrevocable commitment to hold, purchase or sell APS based upon the results of the related Auction, (ii) the Auctions will be conducted through telephone communications, (iii) settlement for purchases and sales will be on the Business Day following the Auction and (iv) ownership of APS will be maintained in book-entry form by or through the Securities Depository. In certain circumstances, holders of APS may be unable to sell their APS in an Auction and thus may lack liquidity of investment. The APS may only be transferred pursuant to a Bid or a Sell Order placed in an Auction through a Broker-Dealer to the Auction Agent or in the secondary market, if any.

This Prospectus sets forth concisely information you should know before investing in the APS. Please read and retain this Prospectus for future reference. A Statement of Additional Information for the Trust dated January , 2004 has been filed with the SEC and can be obtained without charge by calling 1-800-225-6265 or by writing to the Trust. The table of contents to the Statement of Additional Information is located at page 50 of this Prospectus. This Prospectus incorporates by reference the entire Statement of Additional Information of the Trust. The Statement of Additional Information is available along with other Trust-related materials at the SEC's internet web site (http://www.sec.gov). The Trust's address is The Eaton Vance Building, 255 State Street, Boston, Massachusetts 02109 and its telephone number is 1-800-225-6265.

The APS do not represent a deposit or obligation of, and are not 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.

You should rely only on the information contained or incorporated by reference in this Prospectus. The Trust has not authorized any other person to provide you with different information. The Trust is not making an offer of these securities in any state where the offer is not permitted.



TABLE OF CONTENTS

Prospectus summary....................    1
Financial highlights..................    6
The Trust.............................    7
Use of proceeds.......................    7
Capitalization........................    8
Portfolio composition.................    8
Investment objectives, policies and
  risks...............................    9
Management of the Trust...............   23
Description of APS....................   24
The Auctions..........................   33
Taxes.................................   41
Description of capital structure......   43
Certain provisions of the Declaration
  of Trust............................   45
Underwriting..........................   47
Shareholder Servicing Agent, custodian
  and transfer agent..................   47
Legal opinions........................   49
Independent auditors..................   49
Additional information................   49
Table of contents for the Statement of
  Additional Information..............   50
The Trust's privacy policy............   50
Glossary..............................   51



Prospectus summary

This is only a summary. You should review the more detailed information contained in this Prospectus and in the Trust's Statement of Additional Information.

THE TRUST

Eaton Vance Senior Floating-Rate Trust (the "Trust") is a recently organized, diversified, closed-end management investment company. The Trust was organized as a Massachusetts business trust on August 5, 2003. The Trust has registered under the Investment Company Act of 1940, as amended (the "1940 Act"). The Trust's principal office is located at The Eaton Vance Building, 255 State Street, Boston, Massachusetts 02109, and its telephone number is 1-800-225-6265. The Trust commenced operations on November 28, 2003 upon the closing of an initial public offering of its common shares of beneficial interest, par value $0.01 per share ("Common Shares"). The Common Shares of the Trust are traded on the New York Stock Exchange ("NYSE") under the symbol "EFR." In connection with the initial public offering of the Trust's Common Shares, the underwriters of such Common Shares offering were granted an option to purchase additional shares to cover over-allotments.

Certain of the capitalized terms used in this Prospectus are defined in the Glossary that appears at the end of this Prospectus.

THE OFFERING

The Trust is offering, pursuant to this Prospectus, preferred shares of beneficial interest, par value $0.01 per share, which have been designated Auction Preferred Shares, Series A, Series B, Series C and Series D (collectively, the "APS"). Issuance of the APS represents the leveraging financing contemplated in connection with the offering of the Common Shares of the Trust.

The Trust is offering 3,940 Auction Preferred Shares, Series A; 3,940 Auction Preferred Shares, Series B; 3,940 Auction Preferred Shares, Series C; and 3,940 Auction Preferred Shares, Series D, at a purchase price of $25,000 per share plus accumulated dividends, if any, from the Date of Original Issue. The APS are being offered through a group of underwriters (collectively, the "Underwriters") led by UBS Securities LLC and Merrill Lynch, Pierce, Fenner & Smith Incorporated. See "Underwriting."

INVESTMENT OBJECTIVES AND POLICIES

The Trust's investment objective is to provide a high level of current income. The Trust may, as a secondary objective, also seek preservation of capital to the extent consistent with its primary goal of high current income. Under normal market conditions, Eaton Vance expects the Trust to maintain a duration of less than one year (including the effect of anticipated leverage). The Trust pursues its objectives by investing primarily in Senior Loans. Senior Loans are made to corporations, partnerships and other business entities ("Borrowers") which operate in various industries and geographical regions. Senior Loans pay interest at rates which are redetermined periodically by reference to a base lending rate, primarily the London-Interbank Offered Rate ("LIBOR"), plus a premium. Under normal market conditions, at least 80% of the Trust's total assets will be invested in interests in Senior Loans. It is anticipated that the proceeds of the Senior Loans in which the Trust will acquire interests primarily will be used to finance leveraged buyouts, recapitalizations, mergers, acquisitions, stock repurchases, refinancing, and internal growth and for other corporate purposes of Borrowers.

The Trust may invest up to 20% of its total assets in: (i) loan interests which are not secured by any, or that have a lower than senior claim on, collateral,
(ii) other income producing securities such as investment and non-investment grade corporate debt securities and U.S. government and U.S. dollar-denominated foreign government or supranational debt securities, and (iii) warrants and equity securities issued by a Borrower or its affiliates as part of a package of investments in the Borrower or its affiliates. Corporate bonds of below investment grade quality ("Non-Investment Grade Bonds"),

1

commonly referred to as "junk bonds," are bonds that are rated below investment grade by each of the nationally recognized statistical rating agencies (each a "Rating Agency") who cover the security, or, if unrated, are determined to be of comparable quality by the Adviser. Standard & Poor's Ratings Group ("S&P") and Fitch Ratings ("Fitch") consider securities rated below BBB- to be below investment grade and Moody's Investors Service, Inc. ("Moody's") considers securities rated below Baa3 to be below investment grade.

Under normal market conditions, the Trust expects to maintain an average duration of less than one year (including the effect of anticipated leverage). In comparison to maturity (which is the date on which a debt instrument ceases and the issuer is obligated to repay the principal amount), duration is a measure of the price volatility of a debt instrument as a result of changes in market rates of interest, based on the weighted average timing of the instrument's expected principal and interest payments. Duration differs from maturity in that it considers a security's yield, coupon payments, principal payments and call features in addition to the amount of time until the security finally matures. As the value of a security changes over time, so will its duration. Prices of securities with longer durations tend to be more sensitive to interest rate changes than securities with shorter durations. In general, a portfolio of securities with a longer duration can be expected to be more sensitive to interest rate changes than a portfolio with a shorter duration.

Investing in Senior Loans involves investment risk. Some Borrowers default on their Senior Loan payments. The Trust attempts to manage this credit risk through portfolio diversification and ongoing analysis and monitoring of Borrowers. The Trust also is subject to market, liquidity, interest rate and other risks.

Scott H. Page, Payson F. Swaffield and Craig P. Russ (each a Vice President of Eaton Vance) are co-portfolio managers of the Trust. Mr. Page and Mr. Swaffield have co-managed other Eaton Vance portfolios investing primarily in Senior Loans since 1996. Mr. Russ has managed portfolios for institutional clients investing primarily in Senior Loans since 2001. Mr. Russ has also been an investment analyst at Eaton Vance since 1997. The Trust's investments are actively managed, and Senior Loans and other securities may be bought or sold on a daily basis.

The Adviser's staff monitors the credit quality and price of Senior Loans and other securities held by the Trust, as well as other securities that are available to the Trust. The Trust may invest in individual Senior Loans and other securities of any credit quality. Although the Adviser considers ratings when making investment decisions, it performs its own credit and investment analysis and does not rely primarily on the ratings assigned by the rating services. In evaluating the quality of particular Senior Loans or other securities, whether rated or unrated, the Adviser will normally take into consideration, among other things, the issuer's financial resources and operating history, its sensitivity to economic conditions and trends, the ability of its management, its debt maturity schedules and borrowing requirements, and relative values based on anticipated cash flow, interest and asset coverage, and earnings prospects.

The Trust will only invest in U.S. dollar denominated securities. The Trust may invest in U.S. dollar denominated Senior Loans and other securities of non-United States issuers. The Trust's investments may have significant exposure to certain sectors of the economy and thus may react differently to political or economic developments than the market as a whole.

The Trust may purchase or sell derivative instruments (which derive their value from another instrument, security or index) for risk management purposes, such as hedging against fluctuations in Senior Loans and other securities prices or interest rates; diversification purposes; changing the duration of the Trust; or leveraging the Trust. Transactions in derivative instruments may include the purchase or sale of futures contracts on securities, indices and other financial instruments, credit-linked notes, tranches of collateralized loan obligations and/or collateralized debt obligations, options on futures contracts, and exchange-traded and over-the-counter options on securities or indices, and interest rate, total return and credit default swaps. Guidelines of any rating organization that rates any

2

Preferred Shares issued by the Trust, including the APS, may limit the Trust's ability to engage in such transactions. Subject to the Trust's policy of investing at least 80% of its total assets in Senior Loans and subject to the limitations on the use of futures contracts and related options imposed by Rule 4.5 of the Commodity Futures Trading Commission, the Trust may invest, without limitation, in the foregoing derivative instruments for the purposes stated herein.

INVESTMENT ADVISER AND ADMINISTRATOR

Eaton Vance, an indirect wholly-owned subsidiary of Eaton Vance Corp., is the Trust's investment adviser and administrator. The Adviser and its subsidiaries managed approximately $80 billion on behalf of funds, institutional accounts and individuals as of December 31, 2003. Twenty-nine of the funds are closed-end. As of December 31, 2003, Eaton Vance and its subsidiaries managed more than $11.5 billion in funds, in other commingled investment vehicles and for institutional accounts which invest primarily in Senior Loans. See "Management of the Trust."

RISK FACTORS SUMMARY

Risk is inherent in all investing. Therefore, before investing in the Trust you should consider certain risks carefully. The primary risks of investing in APS are:

+ If an Auction fails you may not be able to sell some or all of your APS;

+ Because of the nature of the market for APS, you may receive less than the price you paid for your shares if you sell them outside of the Auction, especially when market interest rates are rising;

+ A Rating Agency could downgrade APS, which could affect liquidity;

+ The Trust may be forced to redeem your APS to meet regulatory or Rating Agency requirements or may elect to redeem your APS in certain circumstances;

+ In extraordinary circumstances, the Trust may not earn sufficient income from its investments to pay dividends;

+ If long-term interest rates rise, the value of the Trust's investment portfolio will decline, reducing the asset coverage for its APS;

+ If an issuer of an obligation in which the Trust invests is downgraded or defaults, there may be a negative impact on the income and/or asset value of the Trust's portfolio; and

+ The Trust's investments in Non-Investment Grade Bonds are predominantly speculative because of the credit risk of their issuers. While offering a greater potential opportunity for capital appreciation and higher yields, Non-Investment Grade Bonds typically entail greater potential price volatility and may be less liquid than higher-rated securities. Issuers of Non-Investment Grade Bonds are more likely to default on their payments of interest and principal owed to the Trust, and such defaults will reduce the Trust's net asset value and income distributions. The prices of these lower rated obligations are more sensitive to negative developments than higher rated securities. Adverse business conditions, such as a decline in the issuer's revenues or an economic downturn, generally lead to a higher non-payment rate. In addition, a security may lose significant value before a default occurs as the market adjusts to expected higher non-payment rates.

For additional general risks of investing in APS of the Trust, see "Investment objectives, policies and risks--Risk considerations."

TRADING MARKET

APS are not listed on an exchange. Instead, you may buy or sell APS at an Auction that normally is held once every twenty-eight days by submitting orders to a broker-dealer that has entered into an agreement with the Auction Agent of the Trust (a "Broker-Dealer"), or to a broker-dealer that has

3

entered into a separate agreement with a Broker-Dealer. In addition to the Auctions, Broker-Dealers and other broker-dealers may maintain a secondary trading market in APS outside of Auctions, but may discontinue this activity at any time. There is no assurance that a secondary market will develop, or if it does develop, that it will provide holders of APS with liquidity. You may transfer APS outside of Auctions only to or through a Broker-Dealer, or a broker-dealer that has entered into a separate agreement with a Broker-Dealer.

The table below shows the first Auction Date for each series of APS of the Trust and the day on which each subsequent Auction will normally be held for each such series. The first Auction date for each series of APS of the Trust will be the Business Day before the dividend payment date for the initial dividend period for each such series. The start date for subsequent dividend periods normally will be the Business Day following the Auction Date unless the then-current dividend period is a Special Dividend Period, or the day that normally would be the Auction date or the first day of the subsequent dividend period is not a Business Day.

                                                              FIRST AUCTION    SUBSEQUENT
                                                                      DATE*      AUCTION*
-----------------------------------------------------------------------------------------
Series A....................................................
Series B ...................................................
Series C....................................................
Series D....................................................


* All dates are 2004.

DIVIDENDS AND DIVIDEND PERIODS

The table below shows the dividend rate for the initial dividend period of the APS offered in this Prospectus. For subsequent dividend periods, APS shares will pay dividends based on a rate set at Auctions, normally held once every twenty-eight days. In most instances dividends are paid once every twenty-eight days, on the day following the end of the dividend period. The rate set at auction will not exceed the Maximum Rate. See "The Auctions--Auction procedures."

Finally the table below shows the numbers of days of the initial dividend period for the APS. Subsequent dividend periods generally will be 28 days. The dividend payment date for Special Dividend Periods (other than 28 days) will be set out in the notice designating a Special Dividend Period. See "Description of APS--Dividends and dividend periods."

                                                              DIVIDEND
                                                               PAYMENT                NUMBER OF
                                                   DATE OF    DATE FOR   SUBSEQUENT     DAYS OF
                                    INITIAL   ACCUMULATION     INITIAL     DIVIDEND     INITIAL
                                   DIVIDEND     OF INITIAL    DIVIDEND      PAYMENT    DIVIDEND
                                       RATE          RATE*     PERIOD*        DATE*      PERIOD
-----------------------------------------------------------------------------------------------
Series A.......................            %
Series B ......................            %
Series C.......................            %
Series D.......................            %


* All dates are 2004.

TAXATION

Dividends paid with respect to APS should constitute dividends for federal income tax purposes to the extent attributable to the Trust's current or accumulated earnings and profits. Dividends with respect to the APS generally will not constitute "qualified dividend income" for federal income tax purposes and thus will not be eligible for the new favorable long-term capital gains tax rates. For a further discussion of the tax treatment of dividends paid by the Trust see "Taxes--General." Corporate

4

holders of the APS generally will not be entitled to the dividends received deduction for these dividends. Distributions of net capital gain, to the extent so designated, will be treated as long-term capital gains.

REDEMPTION

Although the Trust will not ordinarily redeem APS, it may be required to redeem APS if, for example, the Trust does not meet an asset coverage ratio required by law or in order to correct a failure to meet a Rating Agency guideline in a timely manner. See "Description of APS--Redemption--Mandatory redemption." The Trust voluntarily may redeem APS in certain circumstances. See "Description of APS--Redemption--Optional redemption."

LIQUIDATION PREFERENCE

The liquidation preference of the APS of each series is $25,000 per share, plus an amount equal to accumulated but unpaid dividends (whether or not earned or declared). See "Description of APS--Liquidation rights."

RATING

Shares of APS of the Trust will be issued with a credit quality rating of AAA or Aaa from both Fitch and Moody's. The Trust may at some future time look to have its APS rated by additional or Substitute Rating Agencies. Because the Trust is required to maintain at least two ratings, it must own portfolio securities of sufficient value with adequate credit quality to meet the Rating Agencies' guidelines. See "Description of APS--Rating Agency guidelines and asset coverage."

VOTING RIGHTS

The 1940 Act requires that the holders of APS and any other Preferred Shares of the Trust, voting as a separate class, have the right to elect at least two Trustees of the Trust at all times and to elect a majority of the Trustees at any time when two years' dividends on the APS or any other Preferred Shares are unpaid. The holders of APS and any other Preferred Shares of the Trust will vote as a separate class on certain other matters as required under the Trust's Agreement and Declaration of Trust ("Declaration of Trust") and the 1940 Act. See "Description of APS--Voting rights" and "Certain provisions of the Declaration of Trust."

5

Financial highlights

Information contained in the tables below under the headings "Income (loss) from operations" and "Ratios/Supplemental data" shows the unaudited operating performance of the Trust from the commencement of the Trust's investment operations on November 28, 2003 until December 31, 2003. Since the Trust commenced operations on November 28, 2003, the tables cover approximately five weeks of operations, during which a substantial portion of the Trust's assets were invested in high-quality, short-term debt securities. Accordingly, the information presented may not provide a meaningful picture of the Trust's operating performance.

FINANCIAL STATEMENTS (UNAUDITED)
FINANCIAL HIGHLIGHTS
AS OF DECEMBER 31, 2003

                                                                   PERIOD ENDED
                                                              DECEMBER 31, 2003(1)(2)
-------------------------------------------------------------------------------------
Net asset value--Beginning of period(3).....................        $    19.10
INCOME (LOSS) FROM OPERATIONS
Net investment income.......................................        $    0.028
Net realized and unrealized gain............................        $    0.050
                                                                    ----------
Total income from operations................................        $    0.078
                                                                    ----------
Common share offering costs.................................        $  (0.020)
                                                                    ----------
Net asset value--End of period..............................        $    19.07
                                                                    ----------
Market value--End of period.................................        $    19.65
                                                                    ----------
Total Investment Return on Net Asset Value(4)...............              2.88%
Total Investment Return on Market Value(4)..................            (0.16)%
RATIOS/SUPPLEMENTAL DATA(5)
Net assets, end of period (000's omitted)...................        $  634,140
Ratios (As a percentage of average daily net assets):
  Net expenses..............................................              0.65%(6)
  Net investment income.....................................              1.57%(6)
Portfolio Turnover..........................................                15%


(1) For the period from the start of business, November 28, 2003, to December 31, 2003.

(2) Computed using average common shares outstanding.

(3) Net asset value at beginning of period reflects the deduction of the sales load of $0.90 per share paid by the shareholder from the $20.00 offering price.

(4) Total investment return on net asset value is calculated assuming a purchase at the offering price of $20.00 less the sales load of $0.90 per share paid by the shareholder on the first day and a sale at the net asset value on the last day of the period reported. Total investment return on market value is calculated assuming a purchase at the offering price of $20.00 less the sales load of $0.90 per share paid by the shareholder on the first day and a sale at the current market price on the last day of the period reported. Total investment return on net asset value and total investment return on market value are not computed on an annualized basis.

(5) The operating expenses of the Trust reflect a reduction of the investment adviser fee and a reimbursement of expenses by the Adviser. Had such action not been taken, the ratios and net investment income per share would have been as follows:

Ratios (As a percentage of average daily net assets):
   Expenses.................................................     0.87%(6)
   Net investment income....................................     1.35%(6)
Net investment income per share.............................  $  0.024

(6) Annualized.

6


The Trust

Eaton Vance Senior Floating-Rate Trust (the "Trust") is a recently organized, diversified, closed-end management investment company. The Trust was organized as a Massachusetts business trust on August 5, 2003. The Trust has registered under the Investment Company Act of 1940, as amended (the "1940 Act"). The Trust's principal office is located at The Eaton Vance Building, 255 State Street, Boston, Massachusetts 02109, and its telephone number is 1-800-225-6265.

The Trust commenced operations on November 28, 2003 upon the closing of an initial public offering of its common shares of beneficial interest, par value $0.01 per share ("Common Shares"). The Common Shares of the Trust are traded on the New York Stock Exchange ("NYSE") under the symbol "EFR." In connection with the initial public offering of the Trust's Common Shares, the underwriters of such offering of Common Shares were granted an option to purchase, at a price of $20.00 per Common Share, 4,500,000 additional Common Shares to cover over-allotments. On December 30, 2003, the underwriters of the Common Shares offering partially exercised the over-allotment option and purchased 3,250,000 Common Shares.

Certain of the capitalized terms used in this Prospectus are defined in the Glossary that appears at the end of this Prospectus.

Use of proceeds

The net proceeds of this offering will be approximately $389,610,000 after the payment of the sales load and expected offering costs. See "Underwriting." The Trust will invest the net proceeds of the offering in accordance with its investment objectives and policies stated below. It is presently anticipated that the Trust will be able to invest substantially all of the net proceeds in obligations that meet those investment objectives and policies during a period estimated not to exceed three months from the completion of the offering of the APS depending on market conditions and the availability of appropriate securities. Pending such investment, the proceeds may be invested in high quality, short-term debt securities.


7


Capitalization

The following table sets forth the unaudited capitalization of the Trust as of December 31, 2003 as if the Common Shares of the Trust purchased by the underwriters pursuant to their overallotment option on December 30, 2003 ("Overallotment Common Shares") had been issued on that date and as adjusted to give effect to the issuance of the APS offered hereby.

                                                                 ACTUAL      AS ADJUSTED
-----------------------------------------------------------------------------------------
                                                              (unaudited)    (unaudited)
Preferred shares, par value, $0.01 per share (no shares
  issued; 15,760, as adjusted, at $25,000 per share
  liquidation preference)...................................  $         --   $394,000,000
                                                              ============   ============
SHAREHOLDERS' EQUITY:
Common Shares, par value, $0.01 per share (33,255,000)
  shares issued and outstanding)............................  $    332,550   $    332,550
Capital in excess of par value attributable to Common
  Shares....................................................   634,252,651    629,860,776
Distributions in excess of investment income................    (2,053,805)    (2,053,805)
Net accumulated realized gain (loss)........................       (15,602)       (15,602)
Net unrealized appreciation on investments..................     1,624,401      1,624,401
                                                              ------------   ------------
Net Assets..................................................  $634,140,195   $629,748,320
                                                              ============   ============

Portfolio composition

As of December 31, 2003, the following sets forth certain information with respect to the characteristics and composition of the Trust's investment portfolio:

Percentage of total investment portfolio invested in Senior Loans and other loans 52.9%
Percentage of total investment portfolio invested in other debt obligations 43.9%

                                 NUMBER OF
S&P(1)   MOODY'S(1)   FITCH(1)    ISSUES        VALUE       PERCENT
-------------------------------------------------------------------
AAA         Aaa        AAA            5      $ 75,691,455      12%
BBB         Baa        BBB            5        14,736,563       2%
BB          Ba         BB            63       214,166,331      33%
B           B          B             67       162,193,549      25%
CCC         Caa        CCC           10         9,350,625       1%
Unrated                               3         4,635,121       1%
  Common Stock................       --        17,233,369       3%
  Cash and cash equivalents...       --       152,999,698      23%
                                             ------------     ---
  Total.......................      153      $651,006,711     100%
                                             ============     ===


(1) Ratings: Using the higher of S&P's, Moody's or Fitch's ratings on the Trust's investments. S&P and Fitch rating categories may be modified further by a plus (+) or minus (--) in AA, A, BBB, BB, B, and CCC ratings. Moody's rating categories may be modified further by a 1, 2 or 3 in Aa, A, Baa, Ba, B, and Caa ratings.


8


Investment objectives, policies and risks

INVESTMENT OBJECTIVES

The Trust's investment objective is to provide shareholders with a high level of current income. The Trust may, as a secondary objective, also seek preservation of capital to the extent consistent with its investment objective of high current income. Under normal market conditions, Eaton Vance expects the Trust to maintain an average duration of less than one year (including the effect of anticipated leverage). The Trust pursues its objectives by investing its assets primarily in senior secured floating rate loans ("Senior Loans"). Investment in such floating rate instruments is expected to minimize changes in the underlying principal value of the Senior Loans, and therefore the Trust's net asset value, resulting from changes in market interest rates. The borrowers of such loans will be corporations, partnerships and other business entities ("Borrowers") which operate in a variety of industries and geographical regions.

PRIMARY INVESTMENT POLICIES

GENERAL COMPOSITION OF THE TRUST
Under normal market conditions, at least 80% of the Trust's total assets are invested (generally by the purchase of assignments) in interests in Senior Loans of domestic or foreign Borrowers (so long as foreign loans are U.S. dollar-denominated and payments of interest and repayments of principal are required to be made in U.S. dollars). The Trust may invest up to 20% of its total assets in: (i) loan interests which are not secured by any, or that have a lower than senior claim on, collateral, (ii) other income producing securities such as investment and non-investment grade corporate debt securities and U.S. government and U.S. dollar-denominated foreign government or supranational debt securities, and (iii) warrants and equity securities issued by a Borrower or its affiliates as part of a package of investments in the Borrower or its affiliates. If the Adviser determines that market conditions temporarily warrant a defensive investment policy, the Trust may invest up to 100% of its assets in cash and/or high quality, short-term debt securities, which would not be consistent with the Trust's investment objectives. While temporarily invested, the Trust may not achieve its investment objectives. Corporate bonds of below investment grade quality ("Non-Investment Grade Bonds"), commonly referred to as "junk bonds," are bonds that are rated below investment grade by each of the nationally recognized statistical rating agencies (each a "Rating Agency") who cover the security, or, if unrated, are determined to be of comparable quality by the Adviser. Standard & Poor's Ratings Group ("S&P") and Fitch Ratings ("Fitch") consider securities rated below BBB- to be below investment grade and Moody's Investors Service, Inc. ("Moody's") considers securities rated below Baa3 to be below investment grade.

The Trust's policy of investing, under normal market conditions, at least 80% of its total assets in Senior Loans is not considered to be fundamental by the Trust and can be changed without a vote of the shareholders. However, this policy may only be changed by the Trust's Board following the provision of 60 days prior written notice to shareholders.

Under normal market conditions, the Adviser expects to maintain an average duration of less than one year (including the effect of anticipated leverage). In comparison to maturity (which is the date on which a debt instrument ceases and the issuer is obligated to repay the principal amount), duration is a measure of the price volatility of a debt instrument as a result of changes in market rates of interest, based on the weighted average timing of the instrument's expected principal and interest payments. Duration differs from maturity in that it considers a security's yield, coupon payments, principal payments and call features in addition to the amount of time until the security finally matures. As the value of a security changes over time, so will its duration. Prices of securities with longer durations


9

INVESTMENT OBJECTIVES, POLICIES AND RISKS

tend to be more sensitive to interest rate changes than securities with shorter durations. In general, a portfolio of securities with a longer duration can be expected to be more sensitive to interest rate changes than a portfolio with a shorter duration.

The Adviser's staff monitors the credit quality and the price of Senior Loans and other securities held by the Trust, as well as other securities that are available to the Trust. The Trust may invest in Senior Loans and other securities of any credit quality.

Although the Adviser considers ratings when making investment decisions, it performs its own credit and investment analysis and does not rely primarily on the ratings assigned by the rating services. In evaluating the quality of a particular security, whether rated or unrated, the Adviser will normally take into consideration, among other things, the issuer's financial resources and operating history, its sensitivity to economic conditions and trends, the ability of its management, its debt maturity schedules and borrowing requirements, and relative values based on anticipated cash flow, interest and asset coverage, and earnings prospects. The Adviser will attempt to reduce the risks of investing in lower rated or unrated debt instruments through active portfolio management, credit analysis and attention to current developments and trends in the economy and the financial markets.

The Trust is not required to dispose of a security in the event that a Rating Agency downgrades its assessment of the credit characteristics of a particular issue or withdraws its assessment, including in the event of a default. In determining whether to retain or sell such a security, Eaton Vance may consider such factors as Eaton Vance's assessment of the credit quality of the issuers of such security, the price at which such security could be sold and the rating, if any, assigned to such security by other Rating Agencies.

The Trust will only invest in U.S. dollar denominated securities. The Trust may invest in U.S. dollar denominated securities of non-U.S. issuers. The Trust's investments may have significant exposure to certain sectors of the economy and thus may react differently to political or economic developments than the market as a whole.

The Trust may purchase shares of other investment companies with similar investment objectives and policies as permitted under the Investment Company Act. Such investments are limited to 10% of total assets overall, with no more than 5% invested in any one issuer. The value of shares of other closed-end investment companies is affected by risks similar to those of the Trust, such as demand for those securities regardless of the demand for the underlying portfolio assets. Investment companies bear fees and expenses that the Trust will bear indirectly, so investors in the Trust will be subject to duplication of fees. The Trust also may invest up to 5% of its total assets in structured notes with rates of return determined by reference to the total rate of return on one or more Senior Loans referenced in such notes. The rate of return on the structured note may be determined by applying a multiplier to the rate of total return on the referenced Senior Loan or Senior Loans. Application of a multiplier is comparable to the use of financial leverage, a speculative technique. Leverage magnifies the potential for gain and the risk of loss; as a result, a relatively small decline in the value of a referenced Senior Loan could result in a relatively large loss in the value of a structured note. Shares of other investment companies that invest in Senior Loans and structured notes will be treated as Senior Loans for purposes of the Trust's policy of normally investing at least 80% of its assets in Senior Loans, and may be subject to the Trust's leverage limitations.

SENIOR LOANS
Senior Loans hold the most senior position in the capital structure of a Borrower, are typically secured with specific collateral and have a claim on the assets and/or stock of the Borrower that is senior to that held by subordinated debt holders and stockholders of the Borrower. The capital structure of a Borrower may include Senior Loans, senior and junior subordinated debt, preferred stock and common


10

INVESTMENT OBJECTIVES, POLICIES AND RISKS

stock issued by the Borrower, typically in descending order of seniority with respect to claims on the Borrower's assets (discussed below). Senior Loans are typically secured by specific collateral. As also discussed above, the proceeds of Senior Loans primarily are used to finance leveraged buyouts, recapitalizations, mergers, acquisitions, stock repurchases, refinancings and internal growth and for other corporate purposes.

Senior Loans in which the Trust will invest generally pay interest at rates, which are redetermined periodically by reference to a base lending rate, plus a premium. Senior Loans typically have rates of interest which are redetermined either daily, monthly, quarterly or semi-annually by reference to a base lending rate, plus a premium or credit spread. These base lending rates are primarily LIBOR, and secondarily the prime rate offered by one or more major United States banks (the "Prime Rate") and the certificate of deposit ("CD") rate or other base lending rates used by commercial lenders. As floating rate loans, the frequency of how often a loan resets its interest rate will impact how closely such loans track the current market interest rate. The Senior Loans held by the Trust will have a dollar-weighted average period until the next interest rate adjustment of approximately 90 days or less. As a result, as short-term interest rates increase, interest payable to the Trust from its investments in Senior Loans should increase, and as short-term interest rates decrease, interest payable to the Trust from its investments in Senior Loans should decrease. The Trust may utilize derivative instruments to shorten the effective interest rate redetermination period of Senior Loans in its portfolio. Senior Loans typically have a stated term of between one and ten years. In the experience of the Adviser over the last decade, however, the average life of Senior Loans has been two to four years because of prepayments.

The Trust expects primarily to purchase Senior Loans by assignment from a participant in the original syndicate of lenders or from subsequent assignees of such interests. The Trust may also purchase participations in the original syndicate making Senior Loans. Such indebtedness may be secured or unsecured. Loan participations typically represent direct participations in a loan to a corporate borrower, and generally are offered by banks or other financial institutions or lending syndicates. The Trust may participate in such syndications, or can buy part of a loan, becoming a part lender. When purchasing loan participations, the Trust assumes the credit risk associated with the corporate borrower and may assume the credit risk associated with an interposed bank or other financial intermediary. The participation interests in which the Trust intends to invest may not be rated by any Rating Agency.

The Trust may purchase and retain in its portfolio Senior Loans where the Borrowers 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 debt restructuring. Such investments may provide opportunities for enhanced income as well as capital appreciation. At times, in connection with the restructuring of a Senior Loan either outside of bankruptcy court or in the context of bankruptcy court proceedings, the Trust may determine or be required to accept equity securities or junior debt securities in exchange for all or a portion of a Senior Loan.

The Trust may also purchase unsecured loans, other floating rate debt securities such as notes, bonds and asset-backed securities (such as special purpose trusts investing in bank loans), credit-linked notes, tranches of collateralized loan obligations, investment grade fixed income debt obligations and money market instruments, such as commercial paper.

Senior Loans and other floating-rate debt instruments are subject to the risk of non-payment of scheduled interest or principal. Such non-payment would result in a reduction of income to the Trust, a reduction in the value of the investment and a potential decrease in the net asset value of the Trust. There can be no assurance that the liquidation of any collateral securing a loan would satisfy the Borrower's obligation in the event of non-payment of scheduled interest or principal payments, or that


11

INVESTMENT OBJECTIVES, POLICIES AND RISKS

such collateral could be readily liquidated. In the event of bankruptcy of a Borrower, the Trust could experience delays or limitations with respect to its ability to realize the benefits of the collateral securing a Senior Loan. The collateral securing a Senior Loan may lose all or substantially all of its value in the event of bankruptcy of a Borrower. Some Senior Loans are subject to the risk that a court, pursuant to fraudulent conveyance or other similar laws, could subordinate such Senior Loans to presently existing or future indebtedness of the Borrower or take other action detrimental to the holders of Senior Loans, including, in certain circumstances, invalidating such Senior Loans or causing interest previously paid to be refunded to the Borrower. If interest were required to be refunded, it could negatively affect the Trust's performance.

Many Senior Loans in which the Trust will invest may not be rated by a Rating Agency, will not be registered with the Securities and Exchange Commission or any state securities commission and will not be listed on any national securities exchange. The amount of public information available with respect to Senior Loans will generally be less extensive than that available for registered or exchange listed securities. In evaluating the creditworthiness of Borrowers, the Adviser will consider, and may rely in part, on analyses performed by others. Borrowers may have outstanding debt obligations that are rated below investment grade by a Rating Agency. Many of the Senior Loans in the Trust will have been assigned ratings below investment grade by independent Rating Agencies. In the event Senior Loans are not rated, they are likely to be the equivalent of below investment grade quality. Because of the protective features of Senior Loans, the Adviser believes that Senior Loans tend to have more favorable loss recovery rates as compared to more junior types of below investment grade debt obligations. The Adviser does not view ratings as the determinative factor in its investment decisions and relies more upon its credit analysis abilities than upon ratings.

No active trading market may exist for some loans and some loans may be subject to restrictions on resale. A secondary market may be subject to irregular trading activity, wide bid/ask spreads and extended trade settlement periods, which may impair the ability to realize full value and thus cause a material decline in the Trust's net asset value. During periods of limited supply and liquidity of Senior Loans, the Trust's yield may be lower.

When interest rates decline, the value of a fund invested in fixed-rate obligations can be expected to rise. Conversely, when interest rates rise, the value of a fund invested in fixed-rate obligations can be expected to decline. Although changes in prevailing interest rates can be expected to cause some fluctuations in the value of Senior Loans (due to the fact that floating rates on Senior Loans only reset periodically), the value of Senior Loans is substantially less sensitive to changes in market interest rates than fixed-rate instruments. As a result, the Adviser expects the Trust's policy of investing a portion of its assets in floating-rate Senior Loans will make the Trust less volatile and less sensitive to changes in market interest rates than if the Trust invested exclusively in fixed-rate obligations. Similarly, a sudden and significant increase in market interest rates may cause a decline in the value of these investments and in the Trust's net asset value. Other factors (including, but not limited to, rating downgrades, credit deterioration, a large downward movement in stock prices, a disparity in supply and demand of certain Senior Loans and other securities or market conditions that reduce liquidity) can reduce the value of Senior Loans and other debt obligations, impairing the Trust's net asset value.

The Adviser uses an independent pricing service to value most loans and other debt securities at their market value. The Adviser may use the fair value method to value loans or other securities if market quotations for them are not readily available or are deemed unreliable, or if events occurring after the close of a securities market and before the Trust values its assets would materially affect net asset value. A security that is fair valued may be valued at a price higher or lower than actual market quotations or the value determined by other funds using their own fair valuation procedures.


12

INVESTMENT OBJECTIVES, POLICIES AND RISKS

ADDITIONAL INVESTMENT PRACTICES

COLLATERALIZED LOAN OBLIGATIONS ("CLOS")
The Trust may invest in certain asset-backed securities as discussed below. Asset-backed securities are payment claims that are securitized in the form of negotiable paper that is issued by a financing company (generically called a Special Purpose Vehicle or "SPV"). These securitized payment claims are, as a rule, corporate financial assets brought into a pool according to specific diversification rules. The SPV is a company founded solely for the purpose of securitizing these claims, and its only asset is the risk arising out of this diversified asset pool. On this basis, marketable securities are issued which, due to the diversification of the underlying risk, generally represent a lower level of risk than the original assets. The redemption of the securities issued by the SPV takes place at maturity out of the cash flow generated by the collected claims.

A CLO is a structured credit security issued by an SPV that was created to reapportion the risk and return characteristics of a pool of assets. The assets, typically Senior Loans, are used as collateral supporting the various debt tranches issued by the SPV. The key feature of the CLO structure is the prioritization of the cash flows from a pool of debt securities among the several classes of CLO holders, thereby creating a series of obligations with varying rates and maturities appealing to a wide range of investors. CLOs generally are secured by an assignment to a trustee under the indenture pursuant to which the bonds are issued of collateral consisting of a pool of debt instruments, usually, non-investment grade bank loans. Payments with respect to the underlying debt securities generally are made to the trustee under the indenture. CLOs are designed to be retired as the underlying debt instruments are repaid. In the event of sufficient early prepayments on such debt instruments, the class or series of CLO first to mature generally will be retired prior to maturity. Therefore, although in most cases the issuer of CLOs will not supply additional collateral in the event of such prepayments, there will be sufficient collateral to secure their priority with respect to other CLO tranches that remain outstanding. The credit quality of these securities depends primarily upon the quality of the underlying assets, their priority with respect to other CLO tranches and the level of credit support and/or enhancement provided.

The underlying assets (e.g., loans) are subject to prepayments which shorten the securities' weighted average maturity and may lower their return. If the credit support or enhancement is exhausted, losses or delays in payment may result if the required payments of principal and interest are not made. The value of these securities also may change because of changes in market value, that is changes in the market's perception of the creditworthiness of the servicing agent for the pool, the originator of the pool, or the financial institution or fund providing the credit support or enhancement.

COLLATERALIZED DEBT OBLIGATIONS ("CDOS")
The Trust may invest in CDOs. A CDO is a structured credit security issued by an SPV that was created to reapportion the risk and return characteristics of a pool of assets. The assets, typically non-investment grade bonds, leveraged loans, and other asset-backed obligations, are used as collateral supporting the various debt and equity tranches issued by the SPV. The key feature of the CDO structure is the prioritization of the cash flows from a pool of debt securities among the several classes of CDO holders, thereby creating a series of obligations with varying rates and maturities appealing to a wide range of investors. CDOs generally are secured by an assignment to a trustee under the indenture pursuant to which the bonds are issued of collateral consisting of a pool of debt securities, usually, non-investment grade bonds. Payments with respect to the underlying debt securities generally are made to the trustee under the indenture. CDOs are designed to be retired as the underlying debt securities are repaid. In the event of sufficient early prepayments on such debt securities, the class or series of CDO first to mature generally will be retired prior to maturity. Therefore, although in most cases the issuer of CDOs will not supply additional collateral in the event of such prepayments, there will be sufficient collateral to secure CDOs that remain outstanding. The credit quality of these


13

INVESTMENT OBJECTIVES, POLICIES AND RISKS

securities depends primarily upon the quality of the underlying assets and the level of credit support and/or enhancement provided. CDOs operate similarly to CLOs and are subject to the same inherent risks.

FOREIGN SECURITIES
Although the Trust will only invest in U.S. dollar-denominated income securities, the Trust may invest in Senior Loans and other debt securities of non-U.S. issuers. Investment in securities of non-U.S. issuers involves special risks, including that non-U.S. issuers may be subject to less rigorous accounting and reporting requirements than U.S. issuers, less rigorous regulatory requirements, differing legal systems and laws relating to creditors' rights, the potential inability to enforce legal judgments and the potential for political, social and economic adversity. The willingness and ability of sovereign issuers to pay principal and interest on government securities depends on various economic factors, including among others the issuer's balance of payments, overall debt level, and cash flow considerations related to the availability of tax or other revenues to satisfy the issuer's obligations. The securities of some foreign issuers are less liquid and at times more volatile than securities of comparable U.S. issuers. Foreign settlement procedures and trade regulations may involve certain risks (such as delay in the payment or delivery of securities and interest or in the recovery of assets held abroad) and expenses not present in the settlement of domestic investments. Investments may include securities issued by the governments of lesser-developed countries, which are sometimes referred to as "emerging markets." There may be a possibility of nationalization or expropriation of assets, imposition of currency exchange controls, confiscatory taxation, political or financial instability, armed conflict and diplomatic developments which could affect the value of the Trust's investments in certain foreign countries.

CORPORATE BONDS AND OTHER DEBT SECURITIES
The Trust may invest in a wide variety of bonds, debentures and similar debt securities of varying maturities and durations issued by corporations and other business entities, including limited liability companies. Debt securities in which the Trust may invest may pay fixed or variable rates of interest. Bonds and other debt securities generally are issued by corporations and other issuers to borrow money from investors. The issuer pays the investor a fixed or variable rate of interest and normally must repay the amount borrowed on or before maturity. Certain debt securities are "perpetual" in that they have no maturity date. The Trust may invest in bonds and other debt securities of any quality. As discussed below, Non-Investment Grade Bonds, commonly known as "junk bonds," are considered to be predominantly speculative in nature because of the credit risk of the issuers.

NON-INVESTMENT GRADE BONDS
As indicated above, Non-Investment Grade Bonds are those rated lower than investment grade (i.e., bonds rated lower than Baa3 by Moody's and lower than BBB- by S&P and Fitch) or are unrated and of comparable quality as determined by the Adviser. Non-Investment Grade Bonds rated BB and Ba have speculative characteristics, while lower rated Non-Investment Grade Bonds are predominantly speculative.

The Trust may hold securities that are unrated or in the lowest rating categories (rated C by Moody's or D by S&P or Fitch). Bonds rated C by Moody's are regarded as having extremely poor prospects of ever attaining any real investment standing. Bonds rated D by S&P or Fitch are in payment default or a bankruptcy petition has been filed and debt service payments are jeopardized. In order to enforce its rights with defaulted securities, the Trust may be required to retain legal counsel and/or a financial adviser. This may increase the Trust's operating expenses and adversely affect net asset value.

The credit quality of most securities held by the Trust reflects a greater than average possibility that adverse changes in the financial condition of an issuer, or in general economic conditions, or both, may impair the ability of the issuer to make payments of interest and principal. The inability (or


14

INVESTMENT OBJECTIVES, POLICIES AND RISKS

perceived inability) of issuers to make timely payment of interest and principal would likely make the values of securities held by the Trust more volatile and could limit the Trust's ability to sell its securities at favorable prices. In the absence of a liquid trading market for securities held by it, the Trust may have difficulties determining the fair market value of such securities.

Although the Adviser considers security ratings when making investment decisions, it performs its own credit and investment analysis and does not rely primarily on the ratings assigned by the rating services. In evaluating the quality of a particular security, whether rated or unrated, the Adviser will normally take into consideration, among other things, the issuer's financial resources and operating history, its sensitivity to economic conditions and trends, the ability of its management, its debt maturity schedules and borrowing requirements, and relative values based on anticipated cash flow, interest and asset coverage, and earnings prospects. Because of the greater number of investment considerations involved in investing in high yield, high risk bonds, the achievement of the Trust's objectives depends more on the Adviser's judgment and analytical abilities than would be the case if the Trust invested primarily in securities in the higher rating categories. While the Adviser will attempt to reduce the risks of investing in lower rated or unrated securities through active Trust management, diversification, credit analysis and attention to current developments and trends in the economy and the financial markets, there can be no assurance that a broadly diversified fund of such securities would substantially lessen the risk of defaults brought about by an economic downturn or recession. In recent years, issuances of Non-Investment Grade Bonds by companies in various sectors has increased. Accordingly, the Trust's investments may have significant exposure to certain sectors of the economy and thus may react differently to political or economic developments than the market as a whole.

The Trust's high yield securities may have fixed or variable principal payments and all types of interest rate and dividend payment and reset terms, including fixed rate, adjustable rate, zero coupon, contingent, deferred, and payment in kind features.

CONVERTIBLE SECURITIES
The Trust may invest in convertible securities. A convertible security is a debt security or preferred stock that is exchangeable for an equity security of the issuer at a predetermined price. Depending upon the relationship of the conversion price to the market value of the underlying security, a convertible security may trade more like an equity security than a debt instrument. The Trust may invest in convertible securities of any rating.

GOVERNMENT SECURITIES
U.S. Government securities include (1) U.S. Treasury obligations, which differ in their interest rates, maturities and times of issuance: U.S. Treasury bills (maturities of one year or less), U.S. Treasury notes (maturities of one year to ten years) and U.S. Treasury bonds (generally maturities of greater than ten years) and (2) obligations issued or guaranteed by U.S. government agencies and instrumentalities that are supported by any of the following: (a) the full faith and credit of the U.S. Treasury, (b) the right of the issuer to borrow an amount limited to a specific line of credit from the U.S. Treasury, (c) discretionary authority of the U.S. government to purchase certain obligations of the U.S. government agency or instrumentality or (d) the credit of the agency or instrumentality. The Trust may also invest in any other security or agreement collateralized or otherwise secured by U.S. government securities. Agencies and instrumentalities of the U.S. government include but are not limited to: Federal Land Banks, Federal Financing Banks, Banks for Cooperatives, Federal Intermediate Credit Banks, Farm Credit Banks, Federal Home Loan Banks, FHLMC, FNMA, GNMA, Student Loan Marketing Association, United States Postal Service, Small Business Administration, Tennessee Valley Authority and any other enterprise established or sponsored by the U.S. government. Because the U.S. government generally is not obligated to provide support to its instrumentalities, the Trust will


15

INVESTMENT OBJECTIVES, POLICIES AND RISKS

invest in obligations issued by these instrumentalities only if the Adviser determines that the credit risk with respect to such obligations is minimal.

The principal of and/or interest on certain U.S. government securities which may be purchased by the Trust could be (a) payable in foreign currencies rather than U.S. dollars or (b) increased or diminished as a result of changes in the value of the U.S. dollar relative to the value of foreign currencies. The value of such portfolio securities may be affected favorably by changes in the exchange rate between foreign currencies and the U.S. dollar.

COMMERCIAL PAPER
Commercial paper represents short-term unsecured promissory notes issued in bearer form by corporations such as banks or bank holding companies and finance companies. The rate of return on commercial paper may be linked or indexed to the level of exchange rates between the U.S. dollar and a foreign currency or currencies.

WHEN-ISSUED SECURITIES AND FORWARD COMMITMENTS
Securities may be purchased on a "forward commitment" or "when-issued" basis (meaning securities are purchased or sold with payment and delivery taking place in the future) in order to secure what is considered to be an advantageous price and yield at the time of entering into the transaction. However, the yield on a comparable security when the transaction is consummated may vary from the yield on the security at the time that the forward commitment or when-issued transaction was made. From the time of entering into the transaction until delivery and payment is made at a later date, the securities that are the subject of the transaction are subject to market fluctuations. In forward commitment or when-issued transactions, if the seller or buyer, as the case may be, fails to consummate the transaction, the counterparty may miss the opportunity of obtaining a price or yield considered to be advantageous. Forward commitment or when-issued transactions may be expected to occur a month or more before delivery is due. However, no payment or delivery is made until payment is received or delivery is made from the other party to the transaction. Forward commitment or when-issued transactions are not entered into for the purpose of investment leverage.

ILLIQUID SECURITIES
The Trust may invest without limitation in Senior Loans and other securities for which there is no readily available trading market or are otherwise illiquid. Illiquid securities include securities legally restricted as to resale, such as commercial paper issued pursuant to Section 4(2) of the Securities Act of 1933, as amended, and securities eligible for resale pursuant to Rule 144A thereunder.
Section 4(2) and Rule 144A securities may, however, be treated as liquid by the Adviser pursuant to procedures adopted by the Board, which require consideration of factors such as trading activity, availability of market quotations and number of dealers willing to purchase the security. If the Trust invests in Rule 144A securities, the level of portfolio illiquidity may be increased to the extent that eligible buyers become uninterested in purchasing such securities.

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


16

INVESTMENT OBJECTIVES, POLICIES AND RISKS

DERIVATIVES
As described more specifically below, the Trust may purchase or sell derivative instruments (which are instruments that derive their value from another instrument, security or index) to seek to hedge against fluctuations in securities prices or interest rates or for purposes of leveraging the Trust. The Trust's transactions in derivative instruments may include the purchase or sale of futures contracts on securities, credit-linked notes, securities indices, other indices or other financial instruments; options on futures contracts; exchange-traded and over-the-counter options on securities or indices; index-linked securities; and interest rate swaps. The Trust's transactions in derivative instruments involve a risk of loss or depreciation due to:
unanticipated adverse changes in securities prices, interest rates, the other financial instruments' prices; the inability to close out a position; default by the counterparty; imperfect correlation between a position and the desired hedge; tax constraints on closing out positions; and portfolio management constraints on securities subject to such transactions. The loss on derivative instruments (other than purchased options) may substantially exceed the Trust's initial investment in these instruments. In addition, the Trust may lose the entire premium paid for purchased options that expire before they can be profitably exercised by the Trust. Transaction costs will be incurred in opening and closing positions in derivative instruments. There can be no assurance that Eaton Vance's use of derivative instruments will be advantageous to the Trust.

CREDIT-LINKED NOTES
The Trust may invest in credit-linked notes ("CLN") for risk management purposes, including diversification. A CLN is a derivative instrument. It is a synthetic obligation between two or more parties where the payment of principal and/or interest is based on the performance of some obligation (a reference obligation). In addition to credit risk of the reference obligation and interest rate risk, the buyer/seller of the CLN is subject to counterparty risk.

SWAPS
Swap contracts may be purchased or sold to hedge against fluctuations in securities prices, interest rates or market conditions, to change the duration of the overall portfolio, or to mitigate default risk. In a standard "swap" transaction, two parties agree to exchange the returns (or differentials in rates of return) to be exchanged or "swapped" between the parties, which returns are calculated with respect to a "notional amount," i.e., the return on or increase in value of a particular dollar amount invested at a particular interest rate or in a "basket" of securities representing a particular index.

Interest Rate Swaps. The Trust will enter into interest rate and total return swaps only on a net basis, i.e., the two payment streams are netted out, with the Trust receiving or paying, as the case may be, only the net amount of the two payments. Interest rate swaps involve the exchange by the Trust 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 Trust will only enter into interest rate swaps on a net basis. If the other party to an interest rate swap defaults, the Trust's risk of loss consists of the net amount of payments that the Trust is contractually entitled to receive. The net amount of the excess, if any, of the Trust's obligations over its entitlements will be maintained in a segregated account by the Trust's custodian. The Trust will not enter into any interest rate swap unless the claims-paying ability of the other party thereto is considered to be investment grade by the Adviser. If there is a default by the other party to such a transaction, the Trust will have contractual remedies pursuant to the agreements related to the transaction. These instruments are traded in the over-the-counter market.

The Trust may use interest rate swaps for risk management purposes only and not as a speculative investment and would typically use interest rate swaps to shorten the average interest rate reset time of the Trust's holdings. Interest rate swaps involve the exchange by the Trust with another party of their respective commitments to pay or receive interests (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


17

INVESTMENT OBJECTIVES, POLICIES AND RISKS

investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Adviser is incorrect in its forecasts of market values, interest rates and other applicable factors, the investment performance of the Trust would be unfavorably affected.

Total Return Swaps. As stated above, the Trust will enter into total return swaps only on a net basis. Total return swaps are contracts in which one party agrees to make payments of the total return from the underlying asset(s), which may include securities, baskets of securities, or securities indices during the specified period, in return for payments equal to a fixed or floating rate of interest or the total return from other underlying asset(s).

Credit Default Swaps. The Trust may enter into credit default swap contracts for risk management purposes, including diversification. When the Trust is the buyer of a credit default swap contract, the Trust is entitled to receive the par (or other agreed-upon) value of a referenced debt obligation from the counterparty to the contract in the event of a default by a third party, such as a U.S. or foreign corporate issuer, on the debt obligation. In return, the Trust would pay the counterparty a periodic stream of payments over the term of the contract provided that no event of default has occurred. If no default occurs, the Trust would have spent the stream of payments and received no benefit from the contract. When the Trust is the seller of a credit default swap contract, it receives the stream of payments, but is obligated to pay upon default of the referenced debt obligation. As the seller, the Trust would effectively add leverage to its portfolio because, in addition to its total net assets, the Trust would be subject to investment exposure on the notional amount of the swap. The Trust will segregate assets in the form of cash and cash equivalents in an amount equal to the aggregate market value of the credit default swaps of which it is the seller, marked to market on a daily basis. These transactions involve certain risks, including the risk that the seller may be unable to fulfill the transaction.

FUTURES AND OPTIONS ON FUTURES
The Trust may purchase and sell various kinds of financial futures contracts and options thereon to seek to hedge against changes in interest rates or for other risk management purposes. Futures contracts may be based on various debt securities and securities indices (such as the Municipal Bond Index traded on the Chicago Board of Trade). Such transactions involve a risk of loss or depreciation due to unanticipated adverse changes in securities prices, which may exceed the Trust's initial investment in these contracts. The Trust will only purchase or sell futures contracts or related options in compliance with the rules of the Commodity Futures Trading Commission. These transactions involve transaction costs. There can be no assurance that Eaton Vance's use of futures will be advantageous to the Trust. Rating Agency guidelines on any preferred shares issued by the Trust, including the APS, may limit use of these transactions.

SECURITIES LENDING
The Trust may seek to earn income by lending portfolio securities to broker-dealers or other institutional borrowers. As with other extensions of credit, there are risks of delay in recovery or even loss of rights in the securities loaned if the borrower of the securities fails financially. In the judgment of the Adviser, the loans will be made only to organizations whose credit quality or claims paying ability is considered to be at least investment grade and when the expected returns, net of administrative expenses and any finders' fees, justifies the attendant risk. Securities loans currently are required to be secured continuously by collateral in cash, cash equivalents (such as money market instruments) or other liquid securities held by the custodian and maintained in an amount at least equal to the market value of the securities loaned. The financial condition of the borrower will be monitored by the Adviser on an ongoing basis. Under current Rating Agency guidelines in connection with the APS, securities lending by the Trust may not exceed 15% of the Trust's total gross assets. Such limit is subject to change by the Rating Agencies.


18

INVESTMENT OBJECTIVES, POLICIES AND RISKS

BORROWINGS
The Trust may borrow money to the extent permitted under the 1940 Act as interpreted, modified or otherwise permitted by the regulatory authority having jurisdiction, from time to time. The Trust may from time to time borrow money to add leverage to the portfolio. The Trust may also borrow money for temporary administrative purposes.

REPURCHASE AGREEMENTS
The Trust may enter into repurchase agreements (the purchase of a security coupled with an agreement to resell at a high price) with respect to its permitted investments. In the event of the bankruptcy of the other party to a repurchase agreement, the Trust might experience delays in recovering its cash. To the extent that, in the meantime, the value of the securities the Trust purchased may have decreased, the Trust could experience a loss. The Trust's repurchase agreements will provide that the value of the collateral underlying the repurchase agreement will always be a least equal to the repurchase price, including any accrued interest earned on the agreement, and will be marked to market daily.

REVERSE REPURCHASE AGREEMENTS
The Trust may enter into reverse repurchase agreements. Under a reverse repurchase agreement, the Trust temporarily transfers possession of a portfolio instrument to another party, such as a bank or broker-dealer, in return for cash. At the same time, the Trust agrees to repurchase the instrument at an agreed upon time (normally within seven days) and price, which reflects an interest payment. The Trust may enter into such agreements when it is able to invest the cash acquired at a rate higher than the cost of the agreement, which would increase earned income.

When the Trust enters into a reverse repurchase agreement, any fluctuations in the market value of either the securities transferred to another party or the securities in which the proceeds may be invested would affect the market value of the Trust's assets. As a result, such transactions may increase fluctuations in the market value of the Trust's assets. While there is a risk that large fluctuations in the market value of the Trust's assets could affect net asset value, this risk is not significantly increased by entering into reverse repurchase agreements, in the opinion of the Adviser. Because reverse repurchase agreements may be considered to be the practical equivalent of borrowing funds, they constitute a form of leverage. Such agreements will be treated as subject to investment restrictions regarding "borrowings." If the Trust reinvests the proceeds of a reverse repurchase agreement at a rate lower than the cost of the agreement, entering into the agreement will lower the Trust's yield.

PORTFOLIO TURNOVER
The Trust cannot accurately predict its portfolio turnover rate, but the annual turnover rate may exceed 100% (excluding turnover of securities having a maturity of one year or less). A high turnover rate (100% or more) necessarily involves greater expenses to the Trust and may result in a realization of net short-term capital gains. The Trust may engage in active short-term trading to benefit from yield disparities among different issues of securities or among the markets for fixed income securities of different countries, to seek short-term profits during periods of fluctuating interest rates, or for other reasons. Such trading will increase the Trust's rate of turnover and may increase the incidence of net short-term capital gains which, upon distribution by the Trust, are taxable to Trust shareholders as ordinary income.

RISK CONSIDERATIONS

Risk is inherent in all investing. Investing in any investment company security involves risk, including the risk that you may receive little or no return on your investment or even that you may lose part or all of your investment. Therefore, before investing you should consider carefully the following risks that you assume when you invest in APS.


19

INVESTMENT OBJECTIVES, POLICIES AND RISKS

INTEREST RATE RISK
When interest rates decline, the value of a portfolio invested in Senior Loans may rise. Conversely, when interest rates rise, the value of a portfolio invested in Senior Loans may decline. Interest rates are at historical lows and, as a result, it is likely that they will rise. Because floating or variable rates on Senior Loans only reset periodically, changes in prevailing interest rates may cause some fluctuations in the Trust's net asset value. Similarly, a sudden and significant increase in market interest rates may cause a decline in the Trust's net asset value. A material decline in the Trust's net asset value may impair the Trust's ability to maintain required levels of asset coverage.

AUCTION RISK
Holders of APS may not be able to sell APS at an Auction if the Auction fails; that is, if there are more APS offered for sale than there are buyers for those APS. Also, if a hold order is placed at an Auction (an order to retain APS) only at a specified rate, and that bid rate exceeds the rate set at the Auction, the APS will not be retained. Finally, if you elect to buy or retain APS without specifying a rate below which you would not wish to continue to hold those APS, and the Auction sets a below market rate, you may receive a lower rate of return on your APS then the market rate. See "Description of APS" and "The Auctions--Auction procedures."

SECONDARY MARKET RISK
It may not be possible to sell APS between Auctions or it may only be possible to sell them for a price of less than $25,000 per share plus any accumulated dividends. If the Trust has designated a Special Dividend Period (a dividend period of other than 28 days), changes in interest rates could affect the price of APS sold in the secondary market. Broker-dealers may maintain a secondary trading market in the APS outside of Auctions; however, they have no obligation to do so and there can be no assurance that a secondary market for the APS will develop or, if it does develop, that it will provide holders with a liquid trading market (i.e., trading will depend on the presence of willing buyers and sellers, and the trading price is subject to variables to be determined at the time of the trade by the broker-dealers). The APS will not be registered on any stock exchange or on any automated quotation system. An increase in the level of interest rates, particularly during any Long Term Dividend Period, likely will have an adverse effect on the secondary market price of the APS, and a selling shareholder may sell APS between Auctions at a price per share of less than $25,000. Accrued APS dividends, however, should at least partially compensate for the increased market interest rate.

RATINGS AND ASSET COVERAGE RISK
While Fitch and Moody's assign a rating of "AAA" or "Aaa" to the APS, the ratings do not eliminate or necessarily mitigate the risks of investing in APS. A Rating Agency could downgrade APS, which may make APS less liquid at an Auction or in the secondary market, although the downgrade would probably result in higher dividend rates. If a Rating Agency downgrades APS of the Trust, the Trust will alter its portfolio or redeem APS. The Trust may voluntarily redeem APS under certain circumstances. A preferred stock rating is an assessment of the capacity and willingness of an issuer to pay preferred stock obligations. The ratings on the APS are not recommendations to purchase, hold, or sell those shares, inasmuch as the ratings do not comment as to market price or suitability for a particular investor. The Rating Agency guidelines described above also do not address the likelihood that an owner of the APS will be able to sell such shares in an Auction or otherwise. See "Description of APS--Rating agency guidelines and asset coverage" for a description of the asset maintenance tests the Trust must meet.


20

INVESTMENT OBJECTIVES, POLICIES AND RISKS

INCOME RISK
The income investors receive from the Trust is based primarily on the interest it earns from its investments, which can vary widely over the short- and long-term. If long-term interest rates drop, the Trust's income available over time to make dividend payments with respect to APS could drop as well if the Trust purchases securities with lower interest rates.

CREDIT RISK
Credit risk is the risk that one or more debt obligations in the Trust's portfolio will decline in price, or fail to pay interest or principal when due, because the issuer of the obligation experiences a decline in its financial status. Credit risk involves two types: delinquency and default. Delinquency refers to interruptions in the payment of interest and principal. Default refers to the potential for unrecoverable principal loss from the sale of foreclosed collateral or the Trust's inherent right to forgive principal or modify a debt instrument.

Changes in the credit quality of the issuers of obligations held by the Trust will affect the principal value of (and possibly the income earned on) such obligations. In addition, the value of such securities are affected by changes in general economic conditions and business conditions affecting the relevant economic sectors. Changes by Rating Agencies in their ratings of a security and in the ability of the issuer to make payments of principal and interest may also affect the value of the Trust's investments. The amount of information about the financial condition of an issuer of obligations may not be as extensive as that made available by corporations whose securities are publicly traded.

If Rating Agencies lower their ratings of investments in the Trust's portfolio, the value of those investments could decline, which could jeopardize the Rating Agencies' ratings of the APS. Because the primary source of income for the Trust is the interest and principal payments on the obligations in which it invests, any default by an issuer of an obligation could have a negative impact on the Trust's ability to pay dividends on the APS and could result in the redemption of some or all of the APS.

LIQUIDITY RISK
Most Senior Loans are valued by an independent pricing service that uses market quotations of investors and traders in Senior Loans. Economic and other events (whether real or perceived) can reduce the demand for certain Senior Loans or Senior Loans generally, which may reduce market prices and cause the Trust's net asset value per share to fall. The frequency and magnitude of such changes cannot be predicted.

Some Senior Loans are not readily marketable and may be subject to restrictions on resale. Senior Loans generally are not listed on any national securities exchange or automated quotation system and no active trading market may exist for some of the Senior Loans in which the Trust will invest. Where a secondary market exists, such market for some Senior Loans may be subject to irregular trading activity, wide bid/ask spreads and extended trade settlement periods. Senior Loans that are illiquid may impair the Trust's ability to realize the full value of its assets in the event of a voluntary or involuntary liquidation of such assets and thus may cause a decline in the Trust's net asset value. The Trust has no limitation on the amount of its assets that may be invested in securities which are not readily marketable or are subject to restrictions on resale. In certain situations, the Trust could find it more difficult to sell such securities at desirable times and/or prices.

INFLATION RISK
Inflation risk is the risk that the value of assets or income from investment will be worth less in the future as inflation decreases the value of money. As inflation increases, the real value of the APS and distributions thereon can decline.


21

INVESTMENT OBJECTIVES, POLICIES AND RISKS

Inflation risk is the risk that the value of assets or income from investment will be worth less in the future as inflation decreases the value of money. As inflation increases, the real value of the shares of the Trust and distributions thereon can decline. In an inflationary period, however, it is expected that, through the Auction process, APS dividend rates would increase, tending to offset the risk. This risk is mitigated to some degree by the Trust's investments in Senior Loans.

REINVESTMENT RISK
Income from the Trust's portfolio will decline if and when the Trust invests the proceeds from matured, traded or called debt obligations into lower yielding instruments.

REGULATORY RISK
To the extent that legislation or state or federal regulators that regulate certain financial institutions impose additional requirements or restrictions with respect to the ability of such institutions to make loans, particularly in connection with highly leveraged transactions, the availability of Senior Loans for investment may be adversely affected. Further, such legislation or regulation could depress the market value of Senior Loans.

MARKET DISRUPTION
The terrorist attacks in the United States on September 11, 2001 had a disruptive effect on the securities markets. The Trust cannot predict the effects of similar events in the future on the U.S. economy. These terrorist attacks and related events, including the war in Iraq, its aftermath and the continuing occupation of Iraq by coalition forces, have led to increased short-term market volatility and may have long-term effects on U.S. and world economies and markets. A similar disruption of the financial markets could impact interest rates, Auctions, secondary trading, ratings, credit risk, inflation and other factors relating to the APS. In particular, Non-Investment Grade Bonds and Senior Loans tend to be more volatile than higher rated fixed income securities so that these events and any actions resulting from them may have a greater impact on the prices and volatility on Non-Investment Grade Bonds and Senior Loans than on higher rated fixed income securities.

OTHER RISK CONSIDERATIONS
In addition to the risks referenced in this section, the Trust faces additional risks associated with having a portfolio consisting primarily of Senior Loans, which risks may have an adverse effect on the Trust's net asset value per share and income. Such risks include: prepayment risk, which is the risk that during periods of declining interest rates or for other purposes, Borrowers may exercise their option to prepay principal earlier than scheduled, forcing the Trust to reinvest in lower yielding securities; issuer risk, which is the risk that the value of corporate income-producing securities may decline for a number of reasons that directly relate to the issuer, such as management performance, financial leverage and reduced demand for the issuer's goods and services; derivatives risks, which are the risks associated with the Trust's use of derivative transactions (such as futures contracts and options thereon, options and swaps), which subjects the Trust to increased risk of principal loss due to imperfect correlation or unexpected price or interest rate movements and to credit risk with respect to the counterparties to the derivatives contracts purchased by the Trust; management risks, which are risks associated with the Trust being actively managed and there being no guarantee that the investment techniques and risk analyses used in making investment decisions for the Trust will produce the desired results; and foreign securities risks, which are risks associated with investments in foreign securities including political and economic conditions and potentially less stringent regulation and higher volatility. Any of the foregoing risks could, either alone or in the aggregate, have an adverse effect on the Trust's ability to pay dividends on the APS if such risk(s) adversely affects income from the Trust's portfolio securities to a significant degree. Similarly, any of the foregoing risks, either alone or in the aggregate, could cause the Trust's investment portfolio to decline, thereby reducing asset


22

INVESTMENT OBJECTIVES, POLICIES AND RISKS

coverage for the APS, which could adversely affect Rating Agencies' ratings of the APS. Additionally, if the Trust fails to maintain the required asset coverage under the 1940 Act and the Rating Agencies' requirements, the Trust may be required to redeem APS. See "Description of APS--Redemption."

Management of the Trust

BOARD OF TRUSTEES

The management of the Trust, including general supervision of the duties performed by the Adviser under the Advisory Agreement (as defined below), is the responsibility of the Trust's Board under the laws of The Commonwealth of Massachusetts and the 1940 Act.

THE ADVISER

Eaton Vance acts as the Trust's investment adviser under an Investment Advisory Agreement (the "Advisory Agreement"). The Adviser's principal office is located at The Eaton Vance Building, 255 State Street, Boston, MA 02109. Eaton Vance, its affiliates and predecessor companies have been managing assets of individuals and institutions since 1924 and of investment companies since 1931. Eaton Vance (or its affiliates) currently serves as the investment adviser to investment companies and various individual and institutional clients with combined assets under management of approximately $80 billion as of December 31, 2003. Eaton Vance is an indirect, 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.

Under the general supervision of the Trust's Board, the Adviser will carry out the investment and reinvestment of the assets of the Trust, will furnish continuously an investment program with respect to the Trust, will determine which securities should be purchased, sold or exchanged, and will implement such determinations. The Adviser will furnish to the Trust investment advice and office facilities, equipment and personnel for servicing the investments of the Trust. The Adviser will compensate all Trustees and officers of the Trust who are members of the Adviser's organization and who render investment services to the Trust, and will also compensate all other Adviser personnel who provide research and investment services to the Trust. In return for these services, facilities and payments, the Trust has agreed to pay the Adviser as compensation under the Advisory Agreement a fee in the amount of 0.75% of the average daily gross assets of the Trust. Gross assets of the Trust shall be calculated by deducting accrued liabilities of the Trust not including the amount of any Preferred Shares outstanding, including the APS, or the principal amount of any indebtedness for money borrowed. During periods in which the Trust is using leverage, the fees paid to Eaton Vance for investment advisory services will be higher than if the Trust did not use leverage because the fees paid will be calculated on the basis of the Trust's gross assets, including proceeds from any borrowings and from the issuance of Preferred Shares.

Scott H. Page, Payson F. Swaffield and Craig P. Russ are responsible for the overall and day-to-day management of the Trust's investments. Among other portfolios, Mr. Page and Mr. Swaffield have each been Eaton Vance portfolio managers since 1996, and are Vice Presidents of Eaton Vance. They currently co-manage (i) the following registered closed-end interval funds: Eaton Vance Prime Rate Reserves, Eaton Vance Advisers Senior Floating-Rate Fund, Eaton Vance Institutional Senior Floating Rate Fund and Eaton Vance Classic Senior Floating-Rate Fund; (ii) the following registered open-end funds: Eaton Vance Floating-Rate Fund and Eaton Vance Floating-Rate High Income Fund (the Senior Loan portion); (iii) Eaton Vance Senior Income Trust, a registered closed-end fund listed on the New York Stock Exchange, (iv) Eaton Vance Limited Duration Income Fund, a registered closed-end fund listed on the New York Stock Exchange (the Senior Loan portion); and (v) Eaton Vance VT Floating-


23

MANAGEMENT OF THE TRUST

Rate Income Fund, a registered open-end fund offered primarily to insurance company separate accounts, all of which employ investment strategies primarily focused on Senior Loans. As of December 31, 2003, these funds had combined assets of approximately $8 billion. Mr. Russ has managed portfolios for institutional clients investing primarily in Senior Loans since 2001. Mr. Russ has also been an investment analyst with Eaton Vance since 1997 and a Vice President of Eaton Vance. These clients have assets of approximately $900 million as of December 31, 2003. See "Additional investment information and restrictions--Litigation involving Eaton Vance" in the Statement of Additional Information for further information.

The Trust and the Adviser have adopted a Code of Ethics relating to personal securities transactions. The Code of Ethics permits Adviser personnel to invest in securities (including securities that may be purchased or held by the Trust) for their own accounts, subject to certain pre-clearance, reporting and other restrictions and procedures contained in such Code of Ethics.

Eaton Vance serves as administrator of the Trust but currently receives no compensation for providing administrative services to the Trust. Under an Administration Agreement with the Trust ("Administration Agreement"), Eaton Vance is responsible for managing the business affairs of the Trust, subject to the supervision of the Trust's Board. Eaton Vance will furnish to the Trust all office facilities, equipment and personnel for administering the affairs of the Trust. 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 Trust's custodian and transfer agent, providing assistance in connection with the Trustees' and shareholders' meetings, providing service in connection with any repurchase offers and other administrative services necessary to conduct the Trust's business.

Description of APS

The following is a brief description of the terms of the APS. This description does not purport to be complete and is subject to and qualified in its entirety by reference to the Trust's Declaration of Trust and Amended By-Laws, including the provisions thereof establishing the APS. The Trust's Declaration of Trust and the form of Amended By-Laws establishing the terms of the APS have been filed as exhibits to or incorporated by reference in the Registration Statement of which this Prospectus is a part. The Amended By-Laws for the Trust may be found in Appendix B to the Trust's Statement of Additional Information.

GENERAL

The Declaration of Trust authorizes the issuance of an unlimited number of shares of beneficial interest with preference rights, including Preferred Shares, having a par value of $0.01 per share, in one or more series, with rights as determined by the Board of Trustees, by action of the Board of Trustees without the approval of the shareholders. The Trust's Amended By-Laws currently authorize the number of shares of APS of each series set forth below in "Description of capital structure." The APS will have a liquidation preference of $25,000 per share plus an amount equal to accumulated but unpaid dividends (whether or not earned or declared). See "Description of APS--Liquidation rights."

The APS of each series will rank on parity with shares of any other series of APS and with shares of other series of Preferred Shares of the Trust, as to the payment of dividends and the distribution of assets upon liquidation. All shares of APS carry one vote per share on all matters on which such shares are entitled to be voted. APS, when issued, will be fully paid and, subject to matters discussed in "Certain provisions of the Declaration of Trust," non-assessable and have no preemptive, conversion


24

DESCRIPTION OF APS

or cumulative voting rights. The APS will not be convertible into Common Shares or other beneficial interests of the Trust.

DIVIDENDS AND DIVIDEND PERIODS

GENERAL
After the Initial Dividend Period, each Subsequent Dividend period for the APS will generally consist of twenty-eight days (a "28-day Dividend Period"); provided, however, that prior to any Auction, the Trust may elect, subject to certain limitations described herein, upon giving notice to holders thereof, a Special Dividend Period as discussed below. The holders of the APS of the Trust will be entitled to receive, when, as and if declared by the Trust's Board of Trustees, out of funds legally available therefor, cumulative cash dividends on their APS, at the Applicable Rate determined as set forth below under "Determination of Dividend Rate," payable on the dates set forth below. Dividends on the APS of the Trust so declared and payable shall be paid in preference to and in priority over any dividends declared and payable on the Trust's Common Shares.

Dividends on the APS will accumulate from the date on which the Trust originally issues the APS (the "Date of Original Issue") and will be payable on the APS on the dates described below. Dividends on the APS with respect to the Initial Dividend Period shall be payable on the Initial Dividend Payment Date. Following the Initial Dividend Payment Date, dividends on the APS will be payable, at the option of the Trust, either (i) with respect to any 28-day Dividend Period and any Short Term Dividend Period of fewer than 28 days, on the day next succeeding the last day thereof or (ii) with respect to any Short Term Dividend Period of more than 28 days and with respect to any Long Term Dividend Period, monthly on the first Business Day of each calendar month during such Short Term Dividend Period or Long Term Dividend Period and on the day next succeeding the last day thereof (each such date referred to in clause (i) or (ii) being referred to herein as a "Normal Dividend Payment Date"), except that if such Normal Dividend Payment Date is not a Business Day, the Dividend Payment Date shall be the first Business Day next succeeding such Normal Dividend Payment Date. Although any particular Dividend Payment Date may not occur on the originally scheduled date because of the exceptions discussed above, the next succeeding Dividend Payment Date, subject to such exceptions, will occur on the next following originally scheduled date. If for any reason a Dividend Payment Date cannot be fixed as described above, then the Board of Trustees shall fix the Dividend Payment Date. The Board of Trustees by resolution prior to authorization of a dividend by the Board of Trustees may change a Dividend Payment Date if such change does not adversely affect the contract rights of the holders of APS set forth in the Amended By-Laws. The Initial Dividend Period, 28-day Dividend Periods and Special Dividend Periods are hereinafter sometimes referred to as "Dividend Periods." Each dividend payment date determined as provided above is hereinafter referred to as a "Dividend Payment Date."

Prior to each Dividend Payment Date, the Trust is required to deposit with the Auction Agent sufficient funds for the payment of declared dividends. The Trust does not intend to establish any reserves for the payment of dividends.

Each dividend will be paid to the record holder of the APS, which holder is expected to be the nominee of the Securities Depository. See "The Auctions--General--Securities Depository." The Securities Depository will credit the accounts of the Agent Members of the Existing Holders in accordance with the Securities Depository's normal procedures which provide for payment in same-day funds. The Agent Member of an Existing Holder will be responsible for holding or disbursing such payments on the applicable Dividend Payment Date to such Existing Holder in accordance with the instructions of such Existing Holder. Dividends in arrears for any past Dividend Period may be declared and paid at any time, without reference to any regular Dividend Payment Date, to the


25

DESCRIPTION OF APS

nominee of the Securities Depository. Any dividend payment made on the APS first shall be credited against the earliest declared but unpaid dividends accumulated with respect to such shares.

Holders of the APS will not be entitled to any dividends, whether payable in cash, property or stock, in excess of full cumulative dividends except as described under "Non-payment period; late charge" below. No interest will be payable in respect of any dividend payment or payments on the APS which may be in arrears.

The amount of cash dividends per share of APS payable (if declared) on the Initial Dividend Payment Date, each Dividend Payment Date of a 28-day Dividend Period and each Dividend Payment Date of each Short Term Dividend Period shall be computed by multiplying the Applicable Rate for such Dividend Period by a fraction, the numerator of which will be the number of days in such Dividend Period or part thereof that such share was outstanding and for which dividends are payable on such Dividend Payment Date and the denominator of which will be 360, multiplying the amount so obtained by $25,000, and rounding the amount so obtained to the nearest cent. During any Long Term Dividend Period, the amount of cash dividends per share of APS payable (if declared) on any Dividend Payment Date shall be computed by multiplying the Applicable Rate for such Dividend Period by a fraction, the numerator of which will be such number of days in such part of such Dividend Period that such share was outstanding and for which dividends are payable on such Dividend Payment Date and the denominator of which will be 360, multiplying the amount so obtained by $25,000, and rounding the amount so obtained to the nearest cent.

NOTIFICATION OF DIVIDEND PERIOD
The Trust, at its sole option and to the extent permitted by law, by telephonic and written notice (a "Request for Special Dividend Period") to the Auction Agent and to each Broker-Dealer, may request that the next succeeding Dividend Period for the APS will be a number of days (other than twenty-eight), evenly divisible by seven, and not fewer than seven nor more than 364 in the case of a Short Term Dividend Period or one whole year or more but not greater than five years in the case of a Long Term Dividend Period, specified in such notice, provided that the Trust may not give a Request for Special Dividend Period of greater than 28 days (and any such request shall be null and void) unless, for any Auction occurring after the initial Auction, Sufficient Clearing Bids shall have existed in an Auction held on the Auction date immediately preceding the first day of such proposed Special Dividend Period and unless full cumulative dividends and any amounts due with respect to redemptions prior to such date have been paid in full. Such Request for Special Dividend Period, in the case of a Short Term Dividend Period, shall be given on or prior to the second Business Day but not more than seven Business Days prior to an Auction Date for the APS and, in the case of a Long Term Dividend Period, shall be given on or prior to the second Business Day but not more than 28 days prior to an Auction Date for the APS. Upon receiving such Request for Special Dividend Period, the Broker-Dealers jointly shall determine whether, given the factors set forth below, it is advisable that the Trust issue a Notice of Special Dividend Period as contemplated by such Request for Special Dividend Period and shall determine the Optional Redemption Price of the APS during such Special Dividend Period and the Specific Redemption Provisions and shall give the Trust and the Auction Agent written notice (a "Response") of such determination by no later than the second Business Day prior to such Auction Date. In making such determination, the Broker-Dealers will consider (i) existing short-term and long-term market rates and indices of such short-term and long-term rates, (ii) existing market supply and demand for short-term and long-term securities, (iii) existing yield curves for short-term and long-term securities comparable to the APS, (iv) industry and financial conditions which may affect the APS, (v) the investment objectives of the Trust and (vi) the Dividend Periods and dividend rates at which current and potential beneficial holders of the APS would remain or become beneficial holders.


26

DESCRIPTION OF APS

If the Broker-Dealers shall not give the Trust and the Auction Agent a Response by such second Business Day or if the Response states that given the factors set forth above it is not advisable that the Trust give a Notice of Special Dividend Period for the APS, the Trust may not give a Notice of Special Dividend Period in respect of such Request for Special Dividend Period. In the event the Response indicates that it is advisable that the Trust give a Notice of Special Dividend Period for the APS, the Trust, by no later than the second Business Day prior to such Auction Date, may give a notice (a "Notice of Special Dividend Period") to the Auction Agent, the Securities Depository and each Broker- Dealer, which notice will specify (i) the duration of the Special Dividend Period, (ii) the Optional Redemption Price as specified in the related Response and (iii) the Specific Redemption Provisions, if any, as specified in the related Response. The Trust also shall provide a copy of such Notice of Special Dividend Period to Fitch and Moody's. The Trust shall not give a Notice of Special Dividend Period, and, if such Notice of Special Dividend Period shall have been given already, shall give telephonic and written notice of its revocation (a "Notice of Revocation") to the Auction Agent, each Broker-Dealer, and the Securities Depository on or prior to the Business Day prior to the relevant Auction Date if (x) either the 1940 Act APS Asset Coverage is not satisfied or the Trust shall fail to maintain Fitch Eligible Assets or Moody's Eligible Assets with an aggregate Discounted Value at least equal to the APS Basic Maintenance Amount, on each of the two Valuation Dates immediately preceding the Business Day prior to the relevant Auction Date on an actual basis and on a pro forma basis giving effect to the proposed Special Dividend Period (using as a pro forma dividend rate with respect to such Special Dividend Period the dividend rate which the Broker-Dealers shall advise the Trust is an approximately equal rate for securities similar to the APS with an equal dividend period), (y) sufficient funds for the payment of dividends payable on the immediately succeeding Dividend Payment Date have not been irrevocably deposited with the Auction Agent by the close of business on the third Business Day preceding the related Auction Date or (z) the Broker-Dealers jointly advise the Trust that, after consideration of the factors listed above, they have concluded that it is advisable to give a Notice of Revocation. The Trust also shall provide a copy of such Notice of Revocation to Fitch and Moody's. If the Trust is prohibited from giving a Notice of Special Dividend Period as a result of the factors enumerated in clause (x), (y) or (z) above or if the Trust gives a Notice of Revocation with respect to a Notice of Special Dividend Period, the next succeeding Dividend Period for that series will be a 28-day Dividend Period. In addition, in the event Sufficient Clearing Bids are not made in any Auction, including an Auction held on the Auction date immediately preceding the first day of such proposed Special Dividend Period, or an Auction is not held for any reason, the next succeeding Dividend Period will be a 28-day Dividend Period, and the Trust may not again give a Notice of Special Dividend Period (and any such attempted notice shall be null and void) until Sufficient Clearing Bids have been made in an Auction with respect to a 28-day Dividend Period.

DETERMINATION OF DIVIDEND RATE
The dividend rate on the APS during the period from and including the Date of Original Issue for the APS to but excluding the Initial Dividend Payment Date for the APS (the "Initial Dividend Period") will be the rate per annum set forth on the inside cover page hereof. Commencing on the Initial Dividend Payment Date for the APS, the Applicable Rate on the APS for each Subsequent Dividend Period, which Subsequent Dividend Period shall be a period commencing on and including a Dividend Payment Date and ending on and including the calendar day prior to the next Dividend Payment Date (or last Dividend Payment Date in a Dividend Period if there is more than one Dividend Payment Date), shall be equal to the rate per annum that results from the Auction with respect to such Subsequent Dividend Period. The Initial Dividend Period and Subsequent Dividend Period for the APS is referred to herein as a "Dividend Period." Cash dividends shall be calculated as set forth above under "--Dividends and Dividend periods--General."


27

DESCRIPTION OF APS

NON-PAYMENT PERIOD; LATE CHARGE
A Non-Payment Period will commence if the Trust fails to (i) declare, prior to the close of business on the second Business Day preceding any Dividend Payment Date, for payment on or (to the extent permitted as described below) within three Business Days after such Dividend Payment Date to the persons who held such shares as of 12:00 noon, New York City time, on the Business Day preceding such Dividend Payment Date, the full amount of any dividend on the APS payable on such Dividend Payment Date or (ii) deposit, irrevocably in trust, in same-day funds, with the Auction Agent by 12:00 noon, New York City time, (A) on such Dividend Payment Date the full amount of any cash dividend on such shares (if declared) payable on such Dividend Payment Date or (B) on any redemption date for the APS called for redemption, the Mandatory Redemption Price per share of such APS or, in the case of an optional redemption, the Optional Redemption Price per share. Such Non-Payment Period will consist of the period commencing on and including the aforementioned Dividend Payment Date or redemption date, as the case may be, and ending on and including the Business Day on which, by 12:00 noon, New York City time, all unpaid cash dividends and unpaid redemption prices shall have been so deposited or otherwise shall have been made available to the applicable holders in same-day funds, provided that a Non-Payment Period for the APS will not end unless the Trust shall have given at least five days' but no more than 30 days' written notice of such deposit or availability to the Auction Agent, the Securities Depository and all holders of the APS of such series. Notwithstanding the foregoing, the failure by the Trust to deposit funds as provided for by clauses (ii) (A) or (ii) (B) above within three Business Days after any Dividend Payment Date or redemption date, as the case may be, in each case to the extent contemplated below, shall not constitute a "Non-Payment Period." The Applicable Rate for each Dividend Period for the APS of any series, commencing during a Non-Payment Period, will be equal to the Non-Payment Period Rate; and each Dividend Period commencing after the first day of, and during, a Non-Payment Period shall be a 28-day Dividend Period. Any dividend on the APS due on any Dividend Payment Date for such shares (if, prior to the close of business on the second Business Day preceding such Dividend Payment Date, the Trust has declared such dividend payable on such Dividend Payment Date to the persons who held such shares as of 12:00 noon, New York City time, on the Business Day preceding such Dividend Payment Date) or redemption price with respect to such shares not paid to such persons when due may be paid to such persons in the same form of funds by 12:00 noon, New York City time, on any of the first three Business Days after such Dividend Payment Date or due date, as the case may be, provided that such amount is accompanied by a late charge calculated for such period of non-payment at the Non-Payment Period Rate applied to the amount of such non-payment based on the actual number of days comprising such period divided by 360. In the case of a willful failure of the Trust to pay a dividend on a Dividend Payment Date or to redeem any APS on the date set for such redemption, the preceding sentence shall not apply and the Applicable Rate for the Dividend Period commencing during the Non-Payment Period resulting from such failure shall be the Non-Payment Period Rate. For the purposes of the foregoing, payment to a person in same-day funds on any Business Day at any time will be considered equivalent to payment to that person in New York Clearing House (next-day) funds at the same time on the preceding Business Day, and any payment made after 12:00 noon, New York City time, on any Business Day shall be considered to have been made instead in the same form of funds and to the same person before 12:00 noon, New York City time, on the next Business Day.

The Non-Payment Period Rate initially will be 275% of the applicable Reference Rate, provided that the Board of Trustees of the Trust shall have the authority to adjust, modify, alter or change from time to time the initial Non-Payment Period Rate if the Board of Trustees of the Trust determines and Fitch and Moody's (or any Substitute Rating Agency in lieu of Fitch and Moody's in the event such party shall not rate the APS) advises the Trust in writing that such adjustment, modification, alteration or change will not adversely affect its then-current rating on the APS.


28

DESCRIPTION OF APS

RESTRICTIONS ON DIVIDENDS AND OTHER PAYMENTS
Under the 1940 Act, the Trust may not declare dividends or make other distributions on Common Shares or purchase any such shares if, at the time of the declaration, distribution or purchase, as applicable (and after giving effect thereto), asset coverage (as defined in the 1940 Act) with respect to the outstanding APS would be less than 200% (or such other percentage as in the future may be required by law). Under the Code, the Trust must, among other things, distribute each year at least 90% of the sum of its investment company taxable income and certain other income in order to maintain its qualification for tax treatment as a regulated investment company. The foregoing limitations on dividends, other distributions and purchases in certain circumstances may impair the Trust's ability to maintain such qualification. See "Taxes."

Upon any failure to pay dividends on the APS for two years or more, the holders of the APS will acquire certain additional voting rights. See "--Voting rights" below.

For so long as any APS are outstanding, the Trust will not declare, pay or set apart for payment any dividend or other distribution (other than a dividend or distribution paid in shares of, or options, warrants or rights to subscribe for or purchase, Common Shares or other shares of beneficial interest, if any, ranking junior to the APS as to dividends or upon liquidation) in respect of Common Shares or any other shares of beneficial interest of the Trust ranking junior to or on a parity with the APS as to dividends or upon liquidation, or call for redemption, redeem, purchase or otherwise acquire for consideration any Common Shares or shares of any other such junior shares of beneficial interest (except by conversion into or exchange for shares of beneficial interest of the Trust ranking junior to APS as to dividends and upon liquidation) or any such parity shares of beneficial interest (except by conversion into or exchange for shares of beneficial interest of the Trust ranking junior to or on a parity with APS as to dividends and upon liquidation), unless (A) immediately after such transaction, the Trust would have Fitch Eligible Assets and Moody's Eligible Assets with an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount, and the 1940 Act APS Asset Coverage (see "--Rating Agency guidelines and asset coverage" and "--Redemption" below) would be satisfied, (B) full cumulative dividends on the APS due on or prior to the date of the transaction have been declared and paid or shall have been declared and sufficient funds for the payment thereof deposited with the Auction Agent, and
(C) the Trust has redeemed the full number of APS required to be redeemed by any provision for mandatory redemption contained in the Amended By-Laws.

REDEMPTION

MANDATORY REDEMPTION
The Trust will be required to redeem, out of funds legally available therefor, at the Mandatory Redemption Price per share, the APS to the extent permitted under the 1940 Act and Massachusetts law, on a date fixed by the Board of Trustees, if the Trust fails to maintain Fitch Eligible Assets or Moody's Eligible Assets with an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount or to satisfy the 1940 Act APS Asset Coverage and such failure is not cured on or before the APS Basic Maintenance Cure Date or the 1940 Act Cure Date (herein collectively referred to as a "Cure Date"), as the case may be. "Mandatory Redemption Price" of APS means $25,000 per share plus an amount equal to accumulated but unpaid dividends (whether or not earned or declared) to the date fixed for redemption. Any such redemption will be limited to the lesser number of APS necessary to restore the Discounted Value or the 1940 Act APS Asset Coverage, as the case may be, or the maximum number that can be redeemed with funds legally available under the Declaration of Trust and applicable law.

OPTIONAL REDEMPTION
To the extent permitted under the 1940 Act and under Massachusetts law, upon giving a Notice of Redemption, as provided below, the Trust, at its option, may redeem the APS, in whole or in part, out


29

DESCRIPTION OF APS

of funds legally available therefor, at the Optional Redemption Price per share on any Dividend Payment Date; provided that no APS may be redeemed at the option of the Trust during (a) the Initial Dividend Period with respect to the APS or
(b) a Non-Call Period to which such share is subject. "Optional Redemption Price" means $25,000 per share of APS plus an amount equal to accumulated but unpaid dividends (whether or not earned or declared) to the date fixed for redemption plus any applicable redemption premium, if any, attributable to the designation of a Premium Call Period. The Trust has the authority to redeem the APS for any reason and may redeem all or part of the outstanding APS if it anticipates that the Trust's leveraged capital structure will result in a lower rate of return to holders of Common Shares for any significant period of time than that obtainable if the Common Shares were unleveraged.

Notwithstanding the provisions for redemption described above, no APS shall be subject to optional redemption (i) unless all dividends in arrears on all remaining outstanding APS, and all capital shares of the Trust ranking on a parity with the APS with respect to the payment of dividends or upon liquidation, have been or are being contemporaneously paid or declared and set aside for payment and (ii) if redemption thereof would result in the Trust's failure to maintain Fitch Eligible Assets and Moody's Eligible Assets with an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount; provided, however, that the foregoing shall not prevent the purchase or acquisition of all outstanding APS of such series pursuant to a successful completion of an otherwise lawful purchase or exchange offer made on the same terms to, and accepted by, holders of all outstanding APS of such series.

LIQUIDATION RIGHTS
Upon any liquidation, dissolution or winding up of the Trust, whether voluntary or involuntary, the holders of APS will be entitled to receive, out of the assets of the Trust available for distribution to shareholders, before any distribution or payment is made upon any Common Shares or any other shares of beneficial interest of the Trust ranking junior in right of payment upon liquidation of APS, $25,000 per share together with the amount of any dividends accumulated but unpaid (whether or not earned or declared) thereon to the date of distribution, and after such payment the holders of APS will be entitled to no other payment. If such assets of the Trust shall be insufficient to make the full liquidation payment on outstanding APS and liquidation payments on any other outstanding class or series of Preferred Shares of the Trust ranking on a parity with the APS as to payment upon liquidation, then such assets will be distributed among the holders of APS and the holders of shares of such other class or series ratably in proportion to the respective preferential amounts to which they are entitled. After payment of the full amount of liquidation distribution to which they are entitled, the holders of APS will not be entitled to any further participation in any distribution of assets by the Trust. A consolidation, merger or share exchange of the Trust with or into any other entity or entities or a sale, whether for cash, shares of stock, securities or properties, of all or substantially all or any part of the assets of the Trust shall not be deemed or construed to be a liquidation, dissolution or winding up of the Trust.

RATING AGENCY GUIDELINES AND ASSET COVERAGE

The Trust will be required to satisfy two separate asset maintenance requirements under the terms of the Amended By-Laws. These requirements are summarized below.

1940 ACT APS ASSET COVERAGE
The Trust will be required under the Amended By-Laws to maintain, with respect to the APS, as of the last Business Day of each month in which any APS are outstanding, asset coverage of at least 200% with respect to senior securities which are beneficial interests in the Trust, including the APS (or such other asset coverage as in the future may be specified in or under the 1940 Act as the minimum asset


30

DESCRIPTION OF APS

coverage for senior securities which are beneficial interests of a closed-end investment company as a condition of paying dividends on its common shares) ("1940 Act APS Asset Coverage"). If the Trust fails to maintain 1940 Act APS Asset Coverage and such failure is not cured as of the last Business Day of the following month (the "1940 Act Cure Date"), the Trust will be required under certain circumstances to redeem certain of the APS. See "--Redemption."

The 1940 Act APS Asset Coverage immediately following the issuance of APS offered hereby (after giving effect to the deduction of the sales load and offering expenses for the APS) computed using the Trust's net assets as of December 31, 2003 and assuming the Overallotment Common Shares and the APS had been issued as of such date will be as follows:

Value of Trust assets less liabilities
  not constituting senior securities     $1,023,748,320   =     260%
---------------------------------------  --------------
    Senior securities representing       $ 394,000,000
indebtedness plus liquidation value of
                  APS

APS BASIC MAINTENANCE AMOUNT
The Trust intends that, so long as APS are outstanding, the composition of its portfolio will reflect guidelines established by Fitch and Moody's in connection with the Trust's receipt of a rating for such shares on or prior to their Date of Original Issue of at least AAA or Aaa from Fitch and Moody's. Fitch and Moody's, which are Rating Agencies, issue ratings for various securities reflecting the perceived creditworthiness of such securities. The guidelines described below have been developed by Fitch and Moody's in connection with issuances of asset-backed and similar securities, including debt obligations and variable rate preferred shares, generally on a case-by-case basis through discussions with the issuers of these securities. The guidelines are designed to ensure that assets underlying outstanding debt or preferred shares will be varied sufficiently and will be of sufficient quality and amount to justify investment grade ratings. The guidelines do not have the force of law but have been adopted by the Trust in order to satisfy current requirements necessary for Fitch and Moody's to issue the above-described ratings for APS, which ratings generally are relied upon by institutional investors in purchasing such securities. The guidelines provide a set of tests for portfolio composition and asset coverage that supplement (and in some cases are more restrictive than) the applicable requirements under the 1940 Act.

The Trust intends to maintain a Discounted Value for its portfolio at least equal to the APS Basic Maintenance Amount. Both Fitch and Moody's have established guidelines for determining Discounted Value. These guidelines define eligible portfolio assets ("Fitch Eligible Assets" and "Moody's Eligible Assets"). To the extent any particular portfolio holding does not satisfy these guidelines, all or a portion of such holding's value will not be included in the calculation of Discounted Value of the Trust's portfolio assets. The Fitch and Moody's guidelines do not impose any limitations on the percentage of Trust assets that may be invested in holdings not eligible for inclusion in the calculation of the Discounted Value of the Trust's portfolio. The amount of such assets included in the portfolio of the Trust at any time may vary depending upon the rating, diversification and other characteristics of eligible assets included in the portfolio, although it is not anticipated in the normal course of business that the value of such assets will exceed 20% of the Trust's total assets.

Upon any failure to maintain the required aggregate Discounted Value, the Trust will seek to alter the composition of its portfolio to retain a Discounted Value at least equal to the APS Basic Maintenance Amount on or prior to the APS Basic Maintenance Cure Date, thereby incurring additional transaction costs and possible losses and/or gains on dispositions of portfolio securities. To the extent any such failure is not cured in a timely manner, the APS will be subject to mandatory redemption. See "--Redemption" above. The APS Basic Maintenance Amount includes the sum of (i) the aggregate


31

DESCRIPTION OF APS

liquidation value of APS then outstanding and (ii) certain accrued and projected payment obligations of the Trust.

The Trust may, but is not required to, adopt any modifications to these guidelines that hereafter may be established by Fitch and Moody's. Failure to adopt any such modifications, however, may result in a change in the ratings described above or a withdrawal of ratings altogether. In addition, any Rating Agency providing a rating for the APS, at any time, may change or withdraw any such rating. As set forth in the Amended By-Laws, the Trust's Board of Trustees, without shareholder approval, may modify certain definitions or restrictions that have been adopted by the Trust pursuant to the Rating Agency guidelines, provided the Board of Trustees has obtained written confirmation from Fitch or Moody's that any such change would not impair the ratings then assigned by Fitch or Moody's to the APS as applicable.

As recently described by Fitch and Moody's, a preferred shares rating is an assessment of the capacity and willingness of an issuer to pay preferred shares' obligations. The ratings on the APS are not recommendations to purchase, hold or sell APS, inasmuch as the ratings do not comment as to market price or suitability for a particular investor, nor do the Rating Agency guidelines described above address the likelihood that a holder of APS will be able to sell such shares in an Auction. The ratings are based on current information furnished to Fitch and Moody's by the Trust and the Adviser and information obtained from other sources. The ratings may be changed, suspended or withdrawn as a result of changes in, or the unavailability of, such information. The Common Shares have not been rated by a Rating Agency.

A Rating Agency's guidelines will apply to the Trust's APS only so long as such agency is rating such shares. The Trust will pay certain fees to each Rating Agency that rates the Trust's APS.

VOTING RIGHTS
Except as otherwise indicated in this Prospectus and except as otherwise required by applicable law, holders of APS of the Trust will be entitled to one vote per share on each matter submitted to a vote of shareholders and will vote together with holders of Common Shares and other Preferred Shares of the Trust as a single class.

In connection with the election of the Trust's Trustees, holders of the APS and any other Preferred Shares, voting as a separate class, shall be entitled at all times to elect two of the Trust's Trustees, and the remaining Trustees will be elected by holders of Common Shares and APS and any other Preferred Shares, voting together as a single class. In addition, if at any time dividends on outstanding APS shall be unpaid in an amount equal to at least two full years' dividends thereon or if at any time holders of any shares of Preferred Shares are entitled, together with the holders of APS, to elect a majority of the Trustees of the Trust under the 1940 Act, then the number of Trustees constituting the Board of Trustees automatically shall be increased by the smallest number that, when added to the two Trustees elected exclusively by the holders of APS and any other Preferred Shares as described above, would constitute a majority of the Board of Trustees as so increased by such smallest number, and at a special meeting of shareholders which will be called and held as soon as practicable, and at all subsequent meetings at which Trustees are to be elected, the holders of the APS and any other Preferred Shares, voting as a separate class, will be entitled to elect the smallest number of additional Trustees that, together with the two Trustees which such holders in any event will be entitled to elect, constitutes a majority of the total number of Trustees of the Trust as so increased. The terms of office of the persons who are Trustees at the time of that election will continue. If the Trust thereafter shall pay, or declare and set apart for payment in full, all dividends payable on all outstanding APS and any other Preferred Shares for all past Dividend Periods, the additional voting rights of the holders of APS and any other Preferred Shares as described above shall cease, and the terms of office of all of the additional Trustees elected by the holders of APS and any other Preferred Shares (but not of the


32

DESCRIPTION OF APS

Trustees with respect to whose election the holders of Common Shares were entitled to vote or the two Trustees the holders of APS and any other Preferred Shares have the right to elect in any event) will terminate automatically.

The affirmative vote of a majority of the votes entitled to be cast by holders of outstanding APS and any other Preferred Shares, voting as a separate class, will be required to (i) authorize, create or issue any class or series of shares ranking prior to the APS or any other series of Preferred Shares with respect to the payment of dividends or the distribution of assets on liquidation; provided, however, that no vote is required to authorize the issuance of another class of Preferred Shares which are substantially identical in all respects to the APS or
(ii) amend, alter or repeal the provisions of the Declaration of Trust or the Amended By-Laws, whether by merger, consolidation or otherwise, so as to affect adversely any of the contract rights expressly set forth in the Declaration of Trust or the Amended By-Laws of holders of APS or any other Preferred Shares. To the extent permitted under the 1940 Act, in the event shares of more than one series of APS are outstanding, the Trust shall not approve any of the actions set forth in clause (i) or (ii) which adversely affect the contract rights expressly set forth in the Declaration of Trust of a holder of shares of a series of APS differently than those of a holder of shares of any other series of APS without the affirmative vote of at least a majority of votes entitled to be cast by holders of APS of each series adversely affected and outstanding at such time (each such adversely affected series voting separately as a class). The Board of Trustees, however, without shareholder approval, may amend, alter or repeal any or all of the various Rating Agency guidelines described herein in the event the Trust receives confirmation from the Rating Agencies that any such amendment, alteration or repeal would not impair the ratings then assigned to the APS. Unless a higher percentage is provided for under "Certain provisions in the Declaration of Trust," the affirmative vote of a majority of the votes entitled to be cast by holders of outstanding APS and any other Preferred Shares, voting as a separate class, will be required to approve any plan of reorganization (including bankruptcy proceedings) adversely affecting such shares or any action requiring a vote of security holders under Section 13(a) of the 1940 Act including, among other things, changes in the Trust's investment objectives or changes in any fundamental investment restrictions. See "Additional investment information and restrictions--Investment restrictions" in the Statement of Additional Information. The class vote of holders of APS and any other Preferred Shares described above in each case will be in addition to a separate vote of the requisite percentage of Common Shares and APS and any other Preferred Shares, voting together as a single class, necessary to authorize the action in question.

The foregoing voting provisions will not apply to the APS if, at or prior to the time when the act with respect to which such vote otherwise would be required shall be effected, such shares shall have been (i) redeemed or (ii) called for redemption and sufficient funds shall have been deposited in trust to effect such redemption.

The Auctions

GENERAL

Holders of the APS will be entitled to receive cumulative cash dividends on their shares when, as and if declared by the Board of Trustees of the Trust, out of the funds legally available therefor, on the Initial Dividend Payment Date with respect to the Initial Dividend Period and, thereafter, on each Dividend Payment Date with respect to a Subsequent Dividend Period (generally a period of twenty-eight days subject to certain exceptions set forth under "Description of APS--Dividends and Dividend Periods--General") at the rate per annum equal to the Applicable Rate for each such Dividend Period.


33

THE AUCTIONS

The provisions of the Amended By-Laws establishing the terms of the APS offered hereby will provide that the Applicable Rate for each Dividend Period after the Initial Dividend Period therefor will be equal to the rate per annum that the Auction Agent advises has resulted on the Business Day preceding the first day of such Dividend Period due to implementation of the auction procedures set forth in the Amended By-Laws (the "Auction Procedures") in which persons determine to hold or offer to purchase or sell the APS. The Amended By-Laws, which contain the Auction Procedures, are attached as Appendix B to the Trust's Statement of Additional Information. Each periodic operation of such procedures with respect to the APS is referred to hereinafter as an "Auction." If, however, the Trust should fail to pay or duly provide for the full amount of any dividend on or the redemption price of the APS called for redemption, the Applicable Rate for the APS will be determined as set forth under "Description of APS--Dividends and Dividend Periods--Determination of dividend rate."

AUCTION AGENT AGREEMENT
The Trust will enter into an agreement (the "Auction Agent Agreement") with Deutsche Bank Trust Company Americas ("Auction Agent" and together with any successor bank or trust company or other entity entering into a similar agreement with the Trust, the "Auction Agent"), which provides, among other things, that the Auction Agent will follow the Auction Procedures for the purpose of determining the Applicable Rate for the APS. The Trust will pay the Auction Agent compensation for its services under the Auction Agent Agreement.

The Auction Agent may terminate the Auction Agent Agreement upon notice to the Trust, which termination may be no earlier than 60 days following delivery of such notice. If the Auction Agent resigns, the Trust will use its best efforts to enter into an agreement with a successor Auction Agent containing substantially the same terms and conditions as the Auction Agent Agreement. The Trust may terminate the Auction Agent Agreement, provided that prior to such termination the Trust shall have entered into such an agreement with respect thereto with a successor Auction Agent.

In addition to serving as the Auction Agent, Auction Agent will be the transfer agent, registrar, dividend disbursing agent and redemption agent for the APS. The Auction Agent, however, will serve merely as the agent of the Trust, acting in accordance with the Trust's instructions, and will not be responsible for any evaluation or verification of any matters certified to it.

BROKER-DEALER AGREEMENTS
The Auctions require the participation of one or more broker-dealers. The Auction Agent will enter into agreements with UBS Securities LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated, Wachovia Capital Markets, LLC, and A.G. Edwards & Sons, Inc. with respect to the Trust and may enter into similar agreements (collectively, the "Broker-Dealer Agreements") with one or more other broker-dealers (collectively, the "Broker-Dealers") selected by the Trust, which provide for the participation of such Broker-Dealers in Auctions. A Broker-Dealer Agreement may be terminated by the Auction Agent or a Broker-Dealer on five days' notice to the other party, provided that the Broker- Dealer Agreements with UBS Securities LLC and Merrill Lynch, Pierce, Fenner & Smith Incorporated may not be terminated without the prior written consent of the Trust, which consent may not be unreasonably withheld.

The Auction Agent after each Auction will pay a service charge from funds provided by the Trust to each Broker-Dealer on the basis of the purchase price of APS placed by such Broker-Dealer at such Auction. The service charge (i) for any 28-day Dividend Period shall be payable at the annual rate of 0.25% of the purchase price of the APS placed by such Broker-Dealer in any such Auction and
(ii) for any Special Dividend Period shall be determined by mutual consent of the Trust and any such Broker-Dealer or Broker-Dealers and shall be based upon a selling concession that would be applicable to an underwriting of fixed or variable rate preferred shares with a similar final maturity or variable rate


34

THE AUCTIONS

dividend period, respectively, at the commencement of the Dividend Period with respect to such Auction. For the purposes of the preceding sentence, the APS will be placed by a Broker-Dealer if such shares were (i) the subject of Hold Orders deemed to have been made by Beneficial Owners that were acquired by such Beneficial Owners through such Broker-Dealer or (ii) the subject of the following Orders submitted by such Broker-Dealer: (A) a Submitted Bid of a Beneficial Owner that resulted in such Beneficial Owner continuing to hold such shares as a result of the Auction, (B) a Submitted Bid of a Potential Beneficial Owner that resulted in such Potential Beneficial Owner purchasing such shares as a result of the Auction or (C) a Submitted Hold Order.

The Broker-Dealer Agreements provide that a Broker-Dealer may submit Orders in Auctions for its own account, unless the Trust notifies all Broker-Dealers that they no longer may do so; provided that Broker-Dealers may continue to submit Hold Orders and Sell Orders. If a Broker-Dealer submits an Order for its own account in any Auction of APS, it may have knowledge of Orders placed through it in that Auction and therefore have an advantage over other Bidders, but such Broker-Dealer would not have knowledge of Orders submitted by other Broker-Dealers in that Auction.

SECURITIES DEPOSITORY
The Depository Trust Company initially will act as the Securities Depository for the Agent Members with respect to the APS. One or more registered certificates for all of the shares of each series of APS initially will be registered in the name of Cede & Co., as nominee of the Securities Depository. The certificate will bear a legend to the effect that such certificate is issued subject to the provisions restricting transfers of the APS contained in the Amended By-Laws. Cede & Co. initially will be the holder of record of all APS, and Beneficial Owners will not be entitled to receive certificates representing their ownership interest in such shares. The Securities Depository will maintain lists of its participants and will maintain the positions (ownership interests) of the APS held by each Agent Member, whether as the Beneficial Owner thereof for its own account or as nominee for the Beneficial Owner thereof. Payments made by the Trust to holders of APS will be duly made by making payments to the nominee of the Securities Depository.

AUCTION PROCEDURES

The following is a brief summary of the procedures to be used in conducting Auctions. This summary is qualified by reference to the Amended By-Laws set forth in Appendix B to the Trust's Statement of Additional Information.

AUCTION DATE
An Auction to determine the Applicable Rate for the APS offered hereby for each Dividend Period for such shares (other than the Initial Dividend Period therefor) will be held on the last Business Day preceding the first day of such Dividend Period, which first day is also the Dividend Payment Date for the preceding Dividend Period (the date of each Auction being referred to herein as an "Auction Date").

The Auction Date and the first day of the related Dividend Period (both of which must be Business Days) need not be consecutive calendar days. See "Description of APS--Dividends and Dividend Periods" for information concerning the circumstances under which a Dividend Payment Date may fall on a date other than the days specified above, which may affect the Auction Date.


35

THE AUCTIONS

ORDERS BY BENEFICIAL OWNERS, POTENTIAL BENEFICIAL OWNERS, EXISTING HOLDERS AND POTENTIAL HOLDERS
On or prior to each Auction Date for a series of APS:

(a) each Beneficial Owner may submit to its Broker-Dealer by telephone orders ("Orders") with respect to a series of APS as follows:

(i) Hold Order--indicating the number of outstanding APS, if any, that such Beneficial Owner desires to continue to hold without regard to the Applicable Rate for the next Dividend Period for such shares;

(ii) Bid--indicating the number of outstanding APS, if any, that such Beneficial Owner desires to continue to hold, provided that the Applicable Rate for the next Dividend Period for such shares is not less than the rate per annum then specified by such Beneficial Owner; and/or

(iii) Sell Order--indicating the number of outstanding APS, if any, that such Beneficial Owner offers to sell without regard to the Applicable Rate for the next Dividend Period for such shares; and

(b) Broker-Dealers will contact customers who are Potential Beneficial Owners of APS to determine whether such Potential Beneficial Owners desire to submit Bids indicating the number of APS which they offer to purchase provided that the Applicable Rate for the next Dividend Period for such shares is not less than the rates per annum specified in such Bids.

A Beneficial Owner or a Potential Beneficial Owner placing an Order, including a Broker-Dealer acting in such capacity for its own account, is hereinafter referred to as a "Bidder" and collectively as "Bidders." Any Order submitted by a Beneficial Owner or a Potential Beneficial Owner to its Broker-Dealer, or by a Broker-Dealer to the Auction Agent, prior to the Submission Deadline on any Auction Date shall be irrevocable.

In an Auction, a Beneficial Owner may submit different types of Orders with respect to APS then held by such Beneficial Owner, as well as Bids for additional APS. For information concerning the priority given to different types of Orders placed by Beneficial Owners, see "--Submission of Orders by Broker-Dealers to Auction Agent" below.

The Maximum Applicable Rate for the APS will be the Applicable Percentage of the Reference Rate. The Auction Agent will round each applicable Maximum Applicable Rate to the nearest one-thousandth (0.001) of one percent per annum, with any such number ending in five ten-thousandths of one percent being rounded upwards to the nearest one-thousandth (0.001) of one percent. The Auction Agent will not round the applicable Reference Rate as part of its calculation of the Maximum Applicable Rate.

The Maximum Applicable Rate for the APS will depend on the credit rating or ratings assigned to such shares. The Applicable Percentage will be determined based on (i) the credit ratings assigned on such date to such shares by Fitch and Moody's (or if either shall not make such rating available, the equivalent of such rating by a Substitute Rating Agency), and (ii) whether the Trust has provided notification to the Auction Agent prior to the Auction establishing the Applicable Rate for any


36

THE AUCTIONS

dividend that net capital gains or other taxable income will be included in such dividend on the APS as follows:

CREDIT RATINGS
---------------------------------------------------------------------      APPLICABLE PERCENTAGE
FITCH                                       MOODY'S                          OF REFERENCE RATE
-----                                       -------                        ---------------------
AA- or higher                            Aa3 or above                               150%
A- to A+                                   A3 to A1                                 160%
BBB- to BBB+                             Baa3 to Baa1                               250%
Below BBB-                                Below Baa3                                275%

There is no minimum Applicable Rate in respect of any Dividend Period.

The Trust will take all reasonable action necessary to enable Fitch and Moody's to provide a rating for the APS. If Fitch or Moody's shall not make such a rating available, the underwriters or their affiliates and successors, after consultation with the Trust, will select another Rating Agency (a "Substitute Rating Agency") to act as a Substitute Rating Agency.

Any Bid by a Beneficial Owner specifying a rate per annum higher than the Maximum Applicable Rate will be treated as a Sell Order, and any Bid by a Potential Beneficial Owner specifying a rate per annum higher than the Maximum Applicable Rate will not be considered. See "--Determination of Sufficient Clearing Bids, Winning Bid Rate and Applicable Rate" and "--Acceptance and rejection of Submitted Bids and Submitted Sell Orders and allocation of shares."

Neither the Trust nor the Auction Agent will be responsible for a Broker-Dealer's failure to comply with the foregoing. A Broker-Dealer also may hold APS in its own account as a Beneficial Owner. A Broker-Dealer thus may submit Orders to the Auction Agent as a Beneficial Owner or a Potential Beneficial Owner and therefore participate in an Auction as an Existing Holder or Potential Holder on behalf of both itself and its customers. Any Order placed with the Auction Agent by a Broker-Dealer as or on behalf of a Beneficial Owner or a Potential Beneficial Owner will be treated in the same manner as an Order placed with a Broker-Dealer by a Beneficial Owner or a Potential Beneficial Owner. Similarly, any failure by a Broker-Dealer to submit to the Auction Agent an Order in respect of any APS held by it or its customers who are Beneficial Owners will be treated in the same manner as a Beneficial Owner's failure to submit to its Broker-Dealer an Order in respect of APS held by it, as described in the next paragraph. Inasmuch as a Broker-Dealer participates in an Auction as an Existing Holder or a Potential Holder only to represent the interests of a Beneficial Owner or Potential Beneficial Owner, whether it be its customers or itself, all discussion herein relating to the consequences of an Auction for Existing Holders and Potential Holders also applies to the underlying beneficial ownership interests represented thereby. For information concerning the priority given to different types of Orders placed by Existing Holders, see "--Submission of Orders by Broker-Dealers to Auction Agent." Each purchase or sale in an Auction will be settled on the Business Day next succeeding the Auction Date at a price per share equal to $25,000. See "--Notification of results; settlement."

If one or more Orders covering in the aggregate all of the outstanding APS held by an Existing Holder are not submitted to the Auction Agent prior to the Submission Deadline, either because a Broker-Dealer failed to contact such Existing Holder or otherwise, the Auction Agent shall deem a Hold Order (in the case of an Auction relating to a Dividend Period of 91 days or less) and a Sell Order (in the case of an Auction relating to a Special Dividend Period of longer than 91 days) to have been submitted by or on behalf of such Existing Holder covering the number of outstanding APS held by such Existing Holder and not subject to Orders submitted to the Auction Agent.

If all of the outstanding APS are subject to Submitted Hold Orders, the Dividend Period next succeeding the Auction automatically shall be the same length as the immediately preceding Dividend


37

THE AUCTIONS

Period, and the Applicable Rate for the next Dividend Period for all the APS will be the All Hold Rate on the date of the applicable Auction.

For the purposes of an Auction, the APS for which the Trust shall have given notice of redemption and deposited moneys therefor with the Auction Agent in trust or segregated in an account at the Trust's custodian bank for the benefit of the Auction Agent, as set forth under "Description of APS--Redemption," will not be considered as outstanding and will not be included in such Auction. Pursuant to the Amended By-Laws of the Trust, the Trust will be prohibited from reissuing and its affiliates (other than the underwriters) will be prohibited from transferring (other than to the Trust) any APS they may acquire. Neither the Trust nor any affiliate of the Trust (other than the underwriters) may submit an Order in any Auction, except that an affiliate of the Trust that is a Broker-Dealer may submit an Order.

SUBMISSION OF ORDERS BY BROKER-DEALERS TO AUCTION AGENT
Prior to 1:30 p.m., New York City time, on each Auction Date, or such other time on the Auction Date as may be specified by the Auction Agent (the "Submission Deadline"), each Broker-Dealer will submit to the Auction Agent in writing all Orders obtained by it for the Auction to be conducted on such Auction Date, designating itself (unless otherwise permitted by the Trust) as the Existing Holder or Potential Holder in respect of the APS subject to such Orders. Any Order submitted by a Beneficial Owner or a Potential Beneficial Owner to its Broker-Dealer, or by a Broker-Dealer to the Auction Agent, prior to the Submission Deadline on any Auction Date, shall be irrevocable.

If the rate per annum specified in any Bid contains more than three figures to the right of the decimal point, the Auction Agent will round such rate per annum up to the next highest one-thousandth (0.001) of 1%. If one or more Orders of an Existing Holder are submitted to the Auction Agent and such Orders cover in the aggregate more than the number of outstanding APS held by such Existing Holder, such Orders will be considered valid in the following order of priority:

(i) any Hold Order will be considered valid up to and including the number of outstanding APS held by such Existing Holder, provided that if more than one Hold Order is submitted by such Existing Holder and the number of APS subject to such Hold Orders exceeds the number of outstanding APS held by such Existing Holder, the number of APS subject to each of such Hold Orders will be reduced pro rata so that such Hold Orders, in the aggregate, will cover exactly the number of outstanding APS held by such Existing Holder;

(ii) any Bids will be considered valid, in the ascending order of their respective rates per annum if more than one Bid is submitted by such Existing Holder, up to and including the excess of the number of outstanding APS held by such Existing Holder over the number of outstanding APS subject to any Hold Order referred to in clause (i) above (and if more than one Bid submitted by such Existing Holder specifies the same rate per annum and together they cover more than the remaining number of shares that can be the subject of valid Bids after application of clause (i) above and of the foregoing portion of this clause (ii) to any Bid or Bids specifying a lower rate or rates per annum, the number of shares subject to each of such Bids will be reduced pro rata so that such Bids, in the aggregate, cover exactly such remaining number of outstanding shares); and the number of outstanding shares, if any, subject to Bids not valid under this clause (ii) shall be treated as the subject of a Bid by a Potential Holder; and

(iii) any Sell Order will be considered valid up to and including the excess of the number of outstanding APS held by such Existing Holder over the sum of the number of APS subject to Hold Orders referred to in clause (i) above and the number of APS subject to valid Bids by such Existing Holder referred to in clause (ii) above; provided that, if more than one Sell


38

THE AUCTIONS

Order is submitted by any Existing Holder and the number of APS subject to such Sell Orders is greater than such excess, the number of APS subject to each of such Sell Orders will be reduced pro rata so that such Sell Orders, in the aggregate, will cover exactly the number of APS equal to such excess.

If more than one Bid of any Potential Holder is submitted in any Auction, each Bid submitted in such Auction will be considered a separate Bid with the rate per annum and number of APS therein specified.

DETERMINATION OF SUFFICIENT CLEARING BIDS, WINNING BID RATE AND APPLICABLE RATE Not earlier than the Submission Deadline for each Auction, the Auction Agent will assemble all Orders submitted or deemed submitted to it by the Broker-Dealers (each such "Hold Order," "Bid" or "Sell Order" as submitted or deemed submitted by a Broker-Dealer hereinafter being referred to as a "Submitted Hold Order," a "Submitted Bid" or a "Submitted Sell Order," as the case may be, or as a "Submitted Order") and will determine the excess of the number of outstanding APS over the number of outstanding APS subject to Submitted Hold Orders (such excess being referred to as the "Available APS") and whether Sufficient Clearing Bids have been made in such Auction. Sufficient Clearing Bids will have been made if the number of outstanding APS that are the subject of Submitted Bids of Potential Holders with rates per annum not higher than the Maximum Applicable Rate equals or exceeds the number of outstanding shares that are the subject of Submitted Sell Orders (including the number of shares subject to Bids of Existing Holders specifying rates per annum higher than the Maximum Applicable Rate). If Sufficient Clearing Bids have been made, the Auction Agent will determine the lowest rate per annum specified in the Submitted Bids (the "Winning Bid Rate") which would result in the number of shares subject to Submitted Bids specifying such rate per annum or a lower rate per annum being at least equal to the available APS. If Sufficient Clearing Bids have been made, the Winning Bid Rate will be the Applicable Rate for the next Dividend Period for the APS then outstanding. If Sufficient Clearing Bids have not been made (other than because all outstanding APS are the subject of Submitted Hold Orders), the Dividend Period next following the Auction automatically will be a 28-day Dividend Period, and the Applicable Rate for such Dividend Period will be equal to the Maximum Applicable Rate.

If Sufficient Clearing Bids have not been made, Beneficial Owners that have Submitted Sell Orders will not be able to sell in the Auction all, and may not be able to sell any, of the APS subject to such Submitted Sell Orders. See "--Acceptance and rejection of Submitted Bids and Submitted Sell Orders and allocation of shares." Thus, under some circumstances, Beneficial Owners may not have liquidity of investment.

ACCEPTANCE AND REJECTION OF SUBMITTED BIDS AND SUBMITTED SELL ORDERS AND ALLOCATION OF SHARES
Based on the determinations described under "--Determination of Sufficient Clearing Bids, Winning Bid Rate and Applicable Rate" and subject to the discretion of the Auction Agent to round, the Auction Procedures include a pro rata allocation of shares for purchase and sale, which may result in an Existing Holder continuing to hold or selling or a Potential Holder purchasing, a number of shares of a series of APS that is fewer than the number of shares of such series specified in its Order. To the extent the allocation procedures have that result, Broker-Dealers that have designated themselves as Existing Holders or Potential Holders in respect of customer Orders will be required to make appropriate pro rata allocations among their respective customers. See the Trust's Amended By-Laws set forth in Appendix B to the Trust's Statement of Additional Information.

NOTIFICATION OF RESULTS; SETTLEMENT
The Auction Agent will advise each Broker-Dealer who submitted a Bid or Sell Order in an Auction whether such Bid or Sell Order was accepted or rejected in whole or in part and of the Applicable


39

THE AUCTIONS

Rate for the next Dividend Period for the related APS by telephone at approximately 3:00 p.m., New York City time, on the Auction Date for such Auction. Each such Broker-Dealer that submitted an Order for the account of a customer then will advise such customer whether such Bid or Sell Order was accepted or rejected, will confirm purchases and sales with each customer purchasing or selling APS as a result of the Auction and will advise each customer purchasing or selling APS to give instructions to its Agent Member of the Securities Depository to pay the purchase price against delivery of such shares or to deliver such shares against payment therefor as appropriate.

In accordance with the Securities Depository's normal procedures, on the day after each Auction Date, the transactions described above will be executed through the Securities Depository, and the accounts of the respective Agent Members at the Securities Depository will be debited and credited as necessary to effect the purchases and sales of APS as determined in such Auction. Purchasers will make payment through their Agent Members in same-day funds to the Securities Depository against delivery through their Agent Members; the Securities Depository will make payment in accordance with its normal procedures, which now provide for payment in same-day funds. If the procedures of the Securities Depository applicable to APS shall be changed to provide for payment in next-day funds, then purchasers may be required to make payment in next-day funds. If the certificates for the APS are not held by the Securities Depository or its nominee, payment will be made in same-day funds to the Auction Agent against delivery of such certificates.

The following is a simplified example of how a typical Auction works. Assume that the Trust has 1,000 outstanding APS and three current holders. The three current holders and three potential holders submit orders through Broker-Dealers at the Auction:

Current Holder A.......................  Owns 500 shares, wants to sell    Bid order of 2.1% rate for all
                                         all 500 shares if Applicable      500 shares
                                         Rate is less than 2.1%
Current Holder B.......................  Owns 300 shares, wants to hold    Hold Order--will take the
                                                                           Applicable Rate
Current Holder C.......................  Owns 200 shares, wants to sell    Bid order of 1.9% rate for all
                                         all 200 shares if Applicable      200 shares
                                         Rate is less than 1.9%
Potential Holder D.....................  Wants to buy 200 shares           Places order to buy at or above
                                                                           2.0%
Potential Holder E.....................  Wants to buy 300 shares           Places order to buy at or above
                                                                           1.9%
Potential Holder F.....................  Wants to buy 200 shares           Places order to buy at or above
                                                                           2.1%

The lowest dividend rate that will result in all 1,000 APS continuing to be held is 2.0% (the offer by D). Therefore, the Applicable Rate will be 2.0%. Current Holders B and C will continue to own their shares. Current Holder A will sell its shares because A's dividend rate bid was higher than the Applicable Rate. Potential Holder D will buy 200 shares and Potential Holder E will buy 300 shares because their bid rates were at or below the Applicable Rate. Potential Holder F will not buy shares because its bid rate was above the Applicable Rate.

SECONDARY MARKET TRADING AND TRANSFER OF APS

The Broker-Dealers may maintain a secondary trading market in the APS outside of Auctions; however, they have no obligation to do so and there can be no assurance that a secondary market for the APS will develop or, if it does develop, that it will provide holders with a liquid trading market (i.e., trading will depend on the presence of willing buyers and sellers and the trading price is subject


40

THE AUCTIONS

to variables to be determined at the time of the trade by the Broker-Dealers). The APS will not be registered on any stock exchange or on any automated quotation system. An increase in the level of interest rates, particularly during any Long-Term Dividend Period, likely will have an adverse effect on the secondary market price of the APS, and a selling shareholder may sell APS between Auctions at a price per share of less than $25,000.

Taxes

GENERAL

The Trust intends to elect and to qualify for the special tax treatment afforded regulated investment companies ("RICs") under the Code. As long as the Trust so qualifies, in any taxable year in which it distributes at least 90% of the sum of its investment company taxable income (consisting generally of taxable net investment income, net short-term capital gain and net realized gains from certain hedging transactions) and certain other income, the Trust (but not its shareholders) will not be subject to federal income tax to the extent that it distributes its investment company taxable income and net capital gain (the excess of net long-term capital gain over net short-term capital loss). The Trust intends to distribute substantially all of such income and gain each year.

The APS will constitute stock of the Trust, and distributions by the Trust with respect to its APS (other than distributions in redemption of APS that are treated as exchanges of stock under Section 302(b) of the Code) thus will constitute dividends to the extent of the Trust's current and accumulated earnings and profits as calculated for federal income tax purposes. It is possible, however, that the Internal Revenue Service (the "IRS") might take a contrary position, asserting, for example, that the APS constitute debt of the Trust. If this position were upheld, the discussion of the treatment of distributions below would not apply. Instead, distributions by the Trust to holders of APS would constitute interest, whether or not they exceeded the earnings and profits of the Trust, would be included in full in the income of the recipient and would be taxed as ordinary income. Kirkpatrick & Lockhart LLP, counsel to the Trust, believes that such a position, if asserted by the IRS, would be unlikely to prevail if the issue were properly litigated.

Distributions of any taxable net investment income and net short-term capital gain will be taxable as ordinary income. Distributions of the Trust's net capital gain, if any, will be taxable to shareholders as long-term capital gains, regardless of the length of time they held their shares. Distributions, if any, in excess of the Trust's earnings and profits will first reduce the adjusted tax basis of a holder's shares and, after that basis has been reduced to zero, will constitute capital gains to the shareholder (assuming the shares are held as a capital asset).

Dividends and other distributions declared by the Trust in October, November or December of any year and payable to shareholders of record on a date in any of those months will be deemed to have been paid by the Trust and received by the shareholders on December 31 of that year if the distributions are paid by the Trust during the following January. Accordingly, those distributions will be taxed to shareholders for the year in which that December 31 falls.

The Trust will inform shareholders of the source and tax status of all distributions promptly after the close of each calendar year. The IRS has taken the position that if a RIC has more than one class of shares, it may designate distributions made to each class in any year as consisting of no more than that class's proportionate share of particular types of income for that year, including ordinary income and net capital gain. A class's proportionate share of a particular type of income for a year is determined according to the percentage of total dividends paid by the RIC during that year to the class.


41

TAXES

Accordingly, the Trust intends to designate a portion of its distributions as capital gain dividends in compliance with the IRS position.

Although the matter is not free from doubt, due to the absence of direct regulatory or judicial authority, in the opinion of Kirkpatrick & Lockhart LLP, counsel to the Trust, under current law the manner in which the Trust intends to allocate items of ordinary income and net capital gain among the Trust's Common Shares and APS will be respected for federal income tax purposes. It is possible that the IRS could disagree with counsel's opinion and attempt to reallocate the Trust's net capital gain or other taxable income.

If at any time when APS are outstanding the Trust does not meet the asset coverage requirements of the 1940 Act, the Trust will be required to suspend distributions to holders of Common Shares until the asset coverage is restored. See "Description of APS--Dividends and Dividend Periods--Restrictions on dividends and other payments." Such a suspension may prevent the Trust from distributing at least 90% of the sum of its investment company taxable income and certain other income and may, therefore, jeopardize the Trust's qualification for taxation as a RIC. Upon any failure to meet the asset coverage requirements of the 1940 Act, the Trust, in its sole discretion, may redeem APS in order to maintain or restore the requisite asset coverage and avoid the adverse consequences to the Trust and its shareholders of failing to qualify for treatment as a RIC. See "Description of APS--Redemption." There can be no assurance, however, that any such action would achieve that objective.

Certain of the Trust's investment practices are subject to special Code provisions that, among other things, may defer the use of certain losses of the Trust and affect the holding period of securities held by the Trust and the character of the gains or losses realized by the Trust. These provisions may also require the Trust to recognize income or gain without receiving cash with which to make distributions in the amounts necessary to satisfy the requirements for maintaining RIC status and for avoiding income and excise taxes. The Trust will monitor its transactions and may make certain tax elections in order to mitigate the effect of these rules and prevent disqualification of the Trust as a RIC.

Under the recently enacted "Jobs and Growth Tax Relief Reconciliation Act of 2003" (the "Tax Act"), the U.S. federal income tax rate on long-term capital gains recognized by individuals has been reduced to 15% (or 5% for individuals in the 10% or 15% tax brackets), and "qualified dividend income" received by individuals from certain domestic and foreign corporations will also be taxed at this reduced capital gains tax rate. The reduced long-term capital gains tax rate will apply to capital gains realized by shareholders who sell Common Shares of the Trust that they have held for more than one year. The reduced rates, which do not apply to short-term capital gains, generally apply to long-term capital gains from sales or exchanges recognized on or after May 6, 2003 (and to Trust distributions of such gain), and will cease to apply for taxable years beginning after December 31, 2008. Distributions from the Trust designated as capital gain dividends will be eligible for the reduced rate applicable to long-term capital gains. Ordinary income dividends paid by the Trust would be eligible to be treated by Trust shareholders as qualified dividend income taxed at the reduced capital gains rate to the extent that some portion of the Trust's dividends were attributable to such qualified dividend income received by the Trust and to the extent that the Trust were to designate such portion as qualified dividend income. Because the Trust intends to invest primarily in Senior Loans and Non-Investment Grade Bonds, however, the Trust does not expect to receive qualified dividend income and, therefore, ordinary income dividends paid by the Trust generally are not expected to be eligible for the reduced rates applicable to qualified dividend income.

SALES OF APS

The sale of APS (including transfers in connection with a redemption or repurchase of APS) will be a taxable transaction for federal income tax purposes. A selling shareholder generally will recognize gain


42

TAXES

or loss equal to the difference between the amount received and the holder's adjusted tax basis in the APS. If the APS are held as a capital asset, the gain or loss will be a capital gain or loss and will be long-term if the APS have been held for more than one year. Any loss realized on a disposition of APS held for six months or less will be treated as a long-term, rather than a short-term, capital loss to the extent of any capital gain distributions received with respect to those APS. A shareholder's holding period for APS is suspended for any periods during which the shareholder's risk of loss is diminished as a result of holding one or more other positions in substantially similar or related property, or through certain options, sales contracts or short sales. Any loss realized on a sale or exchange of APS will be disallowed to the extent those APS are replaced by other APS within a period of 61 days beginning 30 days before and ending 30 days after the date of disposition of the original APS. In that event, the basis of the replacement APS will be adjusted to reflect the disallowed loss.

BACKUP WITHHOLDING

The Trust is required to withhold a percentage of all taxable dividends, capital gain distributions and repurchase proceeds payable to any individuals and certain other non-corporate shareholders who do not provide the Trust with a correct taxpayer identification number. Such withholding from taxable dividends and capital gain distributions is also required for such shareholders who fail to provide certain certifications or otherwise are subject to backup withholding. Backup withholding is not an additional tax. Any amounts withheld from payments made to a shareholder may be refunded or credited against the shareholder's U.S. federal income tax liability, provided that the required information is furnished to the IRS.

The foregoing briefly summarizes some of the important federal income tax consequences to shareholders of investing in APS, reflects the federal tax law as of the date of this Prospectus, and does not address special tax rules applicable to certain types of investors, such as corporate and foreign investors. Investors should consult their tax advisors regarding other federal, state or local tax considerations that may be applicable in their particular circumstances, as well as any proposed tax law changes.

Description of capital structure

The Trust is an unincorporated business trust established under the laws of The Commonwealth of Massachusetts by an Agreement and Declaration of Trust dated August 5, 2003 ("Declaration of Trust"). The Declaration of Trust provides that the Trustees of the Trust may authorize separate classes of shares of beneficial interest. The Trustees of the Trust have authorized an unlimited number of shares of beneficial interest, par value $0.01 per share, all of which shares were initially classified as Common Shares. The Declaration of Trust also authorizes the issuance of an unlimited number of shares of beneficial interest with preference rights, including Preferred Shares, having a par value of $0.01 per share, in one or more series, with rights as determined by the Board of Trustees, by action of the Board of Trustees without the approval of the shareholders. For a description of the APS, see "Description of APS." The following table shows the amount of (i) shares authorized, (ii) shares held by the Trust for its own account and (iii) shares outstanding, for each class of authorized securities of the Trust as of December 31, 2003.


43

DESCRIPTION OF CAPITAL STRUCTURE

                                                                                                AMOUNT
                                                                                           OUTSTANDING
                                                                                         (EXCLUSIVE OF
                                                                  AMOUNT HELD BY        AMOUNT HELD BY
                                                                 TRUST FOR ITS OWN   TRUST FOR ITS OWN
TITLE OF CLASS                               AMOUNT AUTHORIZED        ACCOUNT                 ACCOUNT)
------------------------------------------------------------------------------------------------------
Common Shares..............................        Unlimited                -0-          33,255,000
Auction Preferred Shares
  Series A.................................            3,940                -0-                 -0-
  Series B.................................            3,940                -0-                 -0-
  Series C.................................            3,940                -0-                 -0-
  Series D.................................            3,940                -0-                 -0-

Holders of Common Shares are entitled to share equally in dividends declared by a Board of Trustees payable to holders of Common Shares and in the net assets of the Trust available for distribution to holders of Common Shares after payment of the preferential amounts payable to holders of any outstanding Preferred Shares. Neither holders of Common Shares nor holders of Preferred Shares have pre-emptive or conversion rights and Common Shares are not redeemable. Upon liquidation of the Trust, after paying or adequately providing for the payment of all liabilities of the Trust and the liquidation preference with respect to any outstanding Preferred Shares, and upon receipt of such releases, indemnities and refunding agreements as they deem necessary for their protection, the Trustees may distribute the remaining assets of the Trust among the holders of the Common Shares. The Declaration of Trust provides that shareholders are not liable for any liabilities of the Trust, requires inclusion of a clause to that effect in every agreement entered into by the Trust and indemnifies shareholders against any such liability. Although shareholders of an unincorporated business trust established under Massachusetts law, in certain limited circumstances, may be held personally liable for the obligations of the Trust as though they were general partners, the provisions of the Declaration of Trust described in the foregoing sentence make the likelihood of such personal liability remote.

Holders of Common Shares are entitled to one vote for each share held and will vote with the holders of any outstanding APS or other Preferred Shares on each matter submitted to a vote of holders of Common Shares, except as described under "Description of APS--Voting rights."

Shareholders are entitled to one vote for each share held. The Common Shares, APS and any other Preferred Shares do not have cumulative voting rights, which means that the holders of more than 50% of the Common Shares, APS and any other Preferred Shares voting for the election of Trustees can elect all of the Trustees standing for election by such holders, and, in such event, the holders of the remaining Common Shares, APS and any other Preferred Shares will not be able to elect any of such Trustees.

So long as any APS or any other Preferred Shares are outstanding, holders of Common Shares will not be entitled to receive any dividends of or other distributions from the Trust, unless at the time of such declaration, (1) all accrued dividends on Preferred Shares or accrued interest on borrowings has been paid and (2) the value of the Trust's total assets (determined after deducting the amount of such dividend or other distribution), less all liabilities and indebtedness of the Trust not represented by senior securities, is at least 300% of the aggregate amount of such securities representing indebtedness and at least 200% of the aggregate amount of securities representing indebtedness plus the aggregate liquidation value of the outstanding Preferred Shares (expected to equal the aggregate original purchase price of the outstanding Preferred Shares plus redemption premium, if any, together with any accrued and unpaid dividends thereon, whether or not earned or declared and on a cumulative basis). In addition to the requirements of the 1940 Act, the Trust is required to comply with other asset coverage requirements as a condition of the Trust obtaining a rating of the Preferred Shares, including the APS, from a Rating Agency. These requirements include an asset coverage test more stringent than


44

DESCRIPTION OF CAPITAL STRUCTURE

under the 1940 Act. See "Description of APS--Dividends and Dividend Periods--Restrictions on dividends and other payments."

The Trust will send unaudited reports at least semi-annually and audited financial statements annually to all of its shareholders.

The Common Shares of the Trust commenced trading on the NYSE on November 28, 2003. At December 31, 2003 the net asset value per share of Common Shares and the closing price per share of Common Shares on the NYSE were $19.06, and $19.65, respectively.

PREFERRED SHARES
Under the 1940 Act, the Trust is permitted to have outstanding more than one series of Preferred Shares as long as no single series has priority over another series as to the distribution of assets of the Trust or the payment of dividends. Neither holders of Common Shares nor holders of Preferred Shares have pre-emptive rights to purchase any APS or any other Preferred Shares that might be issued. It is anticipated that the net asset value per share of the APS will equal its original purchase price per share plus accumulated dividends per share.

Certain provisions of the Declaration of Trust

ANTI-TAKEOVER PROVISIONS IN THE DECLARATION OF TRUST
The Declaration of Trust includes provisions that could have the effect of limiting the ability of other entities or persons to acquire control of the Trust or to change the composition of its Board, and could have the effect of depriving holders of Common Shares of an opportunity to sell their shares at a premium over prevailing market prices by discouraging a third party from seeking to obtain control of the Trust. These provisions may have the effect of discouraging attempts to acquire control of the Trust, which attempts could have the effect of increasing the expenses of the Trust and interfering with the normal operation of the Trust. The Board is divided into three classes, with the term of one class expiring at each annual meeting of holders of Common Shares and Preferred Shares. At each annual meeting, one class of Trustees is elected to a three-year term. This provision could delay for up to two years the replacement of a majority of the Board of Trustees. A Trustee may be removed from office only for cause by a written instrument signed by the remaining Trustees or by a vote of the holders of at least two-thirds of the class of shares of the Trust that elected such Trustee and is entitled to vote on the matter.

In addition, the Declaration of Trust requires the favorable vote of the holders of at least 75% of the outstanding shares of each class of the Trust, voting as a class, then entitled to vote to approve, adopt or authorize certain transactions with 5%-or-greater holders of a class of shares and their associates, unless the Board shall by resolution have approved a memorandum of understanding with such holders, in which case normal voting requirements would be in effect. For purposes of these provisions, a 5%-or-greater holder of a class of shares (a "Principal Shareholder") refers to any person who, whether directly or indirectly and whether alone or together with its affiliates and associates, beneficially owns 5% or more of the outstanding shares of any class of beneficial interest of the Trust. The transactions subject to these special approval requirements are: (i) the merger or consolidation of the Trust or any subsidiary of the Trust with or into any Principal Shareholder; (ii) the issuance of any securities of the Trust to any Principal Shareholder for cash;
(iii) the sale, lease or exchange of all or any substantial part of the assets of the Trust to any Principal Shareholder (except assets having an aggregate fair market value of less than $1,000,000, aggregating for the purpose of such computation all assets sold, leased or exchanged in any series of similar transactions within a twelve-month period); or (iv) the sale, lease or exchange to the Trust or any subsidiary thereof, in exchange for securities of


45

CERTAIN PROVISIONS OF THE DECLARATION OF TRUST

the Trust, of any assets of any Principal Shareholder (except assets having an aggregate fair market value of less than $1,000,000, aggregating for the purposes of such computation all assets sold, leased or exchanged in any series of similar transactions within a twelve-month period).

The Board has determined that provisions with respect to the Board and the 75% voting requirements described above, which voting requirements are greater than the minimum requirements under Massachusetts law or the 1940 Act, are in the best interest of holders of Common Shares and Preferred Shares generally. Reference should be made to the Declaration of Trust on file with the SEC for the full text of these provisions.

CONVERSION TO OPEN-END FUND
The Trust may be converted to an open-end investment company at any time if approved by the lesser of (i) two-thirds or more of the Trust's then outstanding Common Shares and Preferred Shares, each voting separately as a class, or (ii) more than 50% of the then outstanding Common Shares and Preferred Shares, voting separately as a class if such conversion is recommended by at least 75% of the Trustees then in office. If approved in the foregoing manner, conversion of the Trust could not occur until 90 days after the shareholders' meeting at which such conversion was approved and would also require at least 30 days' prior notice to all shareholders. The composition of the Trust's portfolio likely would prohibit it from complying with regulations of the SEC applicable to open-end investment companies. Accordingly, conversion likely would require significant changes in the Trust's investment policies and liquidation of a substantial portion of its relatively illiquid portfolio. Conversion of the Trust to an open-end investment company also would require the redemption of any outstanding Preferred Shares, including the APS, and could require the repayment of borrowings. The Board believes that the closed-end structure is desirable, given the Trust's investment objectives and policies. Investors should assume, therefore, that it is unlikely that a Board would vote to convert the Trust to an open-end investment company.


46


Underwriting

The underwriters named below (the "Underwriters"), acting through UBS Securities LLC, 299 Park Avenue, New York, New York, and Merrill Lynch, Pierce, Fenner & Smith Incorporated, 4 World Financial Center, New York, New York, as lead managers and Wachovia Capital Markets, LLC and A.G. Edwards & Sons, Inc. as their representatives (together with the lead managers, the "Representatives"), have severally agreed, subject to the terms and conditions of the Underwriting Agreement with the Trust and the Adviser, to purchase from the Trust the number of APS set forth below their respective names. The Underwriters are committed to purchase and pay for all of the Trust's APS if any are purchased.

                        UNDERWRITERS                          NUMBER OF SHARES
------------------------------------------------------------------------------
UBS Securities LLC..........................................
Merrill Lynch, Pierce, Fenner & Smith
             Incorporated...................................
Wachovia Capital Markets, LLC...............................
A.G. Edwards & Sons, Inc....................................
                                                              ----------------
     Total..................................................
                                                              ================

The Underwriters have advised the Trust that they propose initially to offer the APS of the Trust to the public at the public offering price set forth on the cover page of this Prospectus, and to certain dealers at such price less a concession not in excess of $ per share. The Underwriters may allow, and such dealers may reallow, a discount not in excess of $ per share to other dealers. After the initial public offering, the public offering price, concession and discount may be changed. Investors must pay for any APS purchased on or before , 2004.

The Underwriters will act in Auctions as Broker-Dealers as set forth under "The Auctions--General--Broker-Dealer Agreements" and will be entitled to fees for services as Broker-Dealers as set forth therein. The Underwriters also may provide information to be used in ascertaining the Reference Rate.

The Trust anticipates that the Representatives and certain other Underwriters may from time to time act as brokers and dealers in connection with the execution of the Trust's portfolio transactions after they have ceased to be principal underwriters of the Trust under the 1940 Act and, subject to certain conditions, may act as such brokers while they are principal underwriters.

In connection with this offering, certain of the Underwriters or selected dealers may distribute prospectuses electronically.

The Trust and the Adviser have agreed to indemnify the Underwriters against certain liabilities including liabilities under the Securities Act of 1933, as amended.

Shareholder Servicing Agent, custodian and transfer agent

Pursuant to a shareholder servicing agreement (the "Shareholder Servicing Agreement") between UBS Securities LLC (the "Shareholder Servicing Agent") and Eaton Vance, the Shareholder Servicing Agent will (i) at the request of and as specified by Eaton Vance, undertake to make available public information pertaining to the Trust on an ongoing basis and to communicate to investors and prospective investors the Trust's features and benefits (including arranging periodic seminars or conference calls for Eaton Vance to communicate to investors, responding to questions from current or prospective shareholders and contacting specific shareholders, where appropriate), provided that


47

SHAREHOLDER SERVICING AGENT, CUSTODIAN AND TRANSFER AGENT

services shall not include customary market research information provided by the Shareholder Servicing Agent or its registered broker-dealer affiliates in the ordinary course of their business; (ii) at the request of and as specified by Eaton Vance, make available to investors and prospective investors market price, net asset value, yield and other information regarding the Trust (provided that services shall not include customary market research information provided by the Shareholder Servicing Agent or its registered broker-dealer affiliates in the ordinary course of their business), if reasonably obtainable, for the purpose of maintaining the visibility of the Trust in the investor community; (iii) at the request of Eaton Vance or the Trust, provide certain economic research and statistical information and reports, if reasonably obtainable, to Eaton Vance or the Trust and consult with representatives of Eaton Vance and/or Trustees of the Trust in connection therewith, which information and reports shall include: (a) statistical and financial market information with respect to the Trust's market performance; and (b) comparative information regarding the Trust and other closed-end management investment companies with respect to (1) the net asset value of their respective shares, (2) the respective market performance of the Trust and such other companies, and (3) other relevant performance indicators. Except as legally required, such information and reports may not be quoted or referred to, orally or in writing, reproduced or disseminated by the Trust or any of its affiliates or any of their agents, without the prior written consent of the Shareholder Servicing Agent, which consent will not be unreasonably withheld; and (iv) at the request of Eaton Vance or the Trust, provide information to and consult with Eaton Vance and/or the Board of Trustees of the Trust with respect to applicable strategies designed to address market value discounts, which may include share repurchases, tender offers, modifications to dividend policies or capital structure, repositioning or restructuring of the Trust, conversion of the Trust to an open-end investment company, liquidation or merger; including providing information concerning the use and impact of the above strategic alternatives by other market participants; provided, however, that under the terms of the Shareholder Servicing Agreement, the Shareholder Servicing Agent is not obligated to render any opinions, valuations or recommendations of any kind or to perform any such similar services. For these services, Eaton Vance will pay the Shareholder Servicing Agent a fee computed daily and payable quarterly equal, on an annual basis, to 0.10% of the Trust's average daily gross assets. Under the terms of the Shareholder Servicing Agreement, the Shareholder Servicing Agent is relieved from liability to Eaton Vance or the Trust for any act or omission to act in the course of its performance under the Shareholder Servicing Agreement in the absence of bad faith, gross negligence or willful misconduct on the part of the Shareholder Servicing Agent. The Shareholder Servicing Agreement will continue so long as the Advisory Agreement remains in effect between the Trust and the Adviser or any successor in interest or affiliate of the Adviser, as and to the extent that such Advisory Agreement is renewed periodically in accordance with the 1940 Act.

Investors Bank & Trust Company ("IBT"), 200 Clarendon Street, Boston, Massachusetts 02116 is the custodian of the Trust and will maintain custody of the securities and cash of the Trust. IBT maintains the Trust's general ledger and computes net asset value per share at least weekly. IBT also attends to details in connection with the sale, exchange, substitution, transfer and other dealings with the Trust's investments, and receives and disburses all funds. IBT also assists in preparation of shareholder reports and the electronic filing of such reports with the SEC.

PFPC Inc., P.O. Box 43027, Providence, Rhode Island 02940-3027 is the transfer agent and dividend disbursing agent of the Trust.


48


Legal opinions

Certain legal matters in connection with the APS will be passed upon for the Trust by Kirkpatrick & Lockhart LLP, Boston, Massachusetts, and for the Underwriters by Skadden, Arps, Slate, Meagher & Flom LLP, Chicago, Illinois. Skadden, Arps, Slate, Meagher & Flom LLP may rely as to certain matters of Massachusetts law on the opinion of Kirkpatrick & Lockhart LLP.

Independent auditors

Deloitte & Touche LLP, Boston, Massachusetts, are the independent auditors for the Trust and will audit the Trust's financial statements.

Additional information

The Prospectus and the Statement of Additional Information do not contain all of the information set forth in the Registration Statement that the Trust has filed with the SEC. The complete Registration Statement may be obtained from the SEC upon payment of the fee prescribed by its rules and regulations. The Statement of Additional Information can be obtained without charge by calling 1-800-225-6265.

Statements contained in this Prospectus as to the contents of any contract or other document referred to are not necessarily complete, and, in each instance, reference is made to the copy of such contract or other document filed as an exhibit to the Registration Statement of which this Prospectus forms a part, each such statement being qualified in all respects by such reference.


49


Table of contents for the
Statement of Additional Information

Additional investment information and restrictions..........    2
Trustees and officers.......................................   14
Investment advisory and other services......................   21
Determination of net asset value............................   23
Portfolio trading...........................................   25
Taxes.......................................................   27
Other information...........................................   30
Independent auditors........................................   30
Independent auditors' report................................   31
Financial statements........................................   32
Appendix A: Ratings.........................................  A-1
Appendix B: Amended By-Laws.................................  B-1

The Trust's privacy policy

The Trust is committed to ensuring your financial privacy. This notice is being sent to comply with privacy regulations of the Securities and Exchange Commission. The Trust has in effect the following policy with respect to nonpublic personal information about its customers:

- Only such information received from you, through application forms or otherwise, and information about your Trust transactions will be collected.

- None of such information about you (or former customers) will be disclosed to anyone, except as permitted by law (which includes disclosure to employees necessary to service your account).

- Policies and procedures (including physical, electronic and procedural safeguards) are in place that are designed to protect the confidentiality of such information.

For more information about the Trust's privacy policies call 1-800-262-1122.


50


Glossary

"28-Day Dividend Period" means a Dividend Period consisting of twenty-eight days.

"1940 Act" means the Investment Company Act of 1940, as amended from time to time.

"1940 Act APS Asset Coverage" has the meaning set forth on page 31 of this Prospectus.

"1940 Act Cure Date" has the meaning set forth on page 31 of this Prospectus.

"'AA' Financial Composite Commercial Paper Rate" on any date of determination, means (i) the Interest Equivalent of the rate on commercial paper placed on behalf of issuers whose corporate bonds are rated "AA" by Fitch or "Aa" by Moody's or the equivalent of such rating by another Rating Agency, as such rate is made available on a discount basis or otherwise by the Federal Reserve Bank of New York for the Business Day immediately preceding such date, or (ii) in the event that the Federal Reserve Bank of New York does not make available such a rate, then the arithmetic average of the Interest Equivalent of the rate on commercial paper placed on behalf of such issuers, as quoted on a discount basis or otherwise by UBS Securities LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated or their successors that are Commercial Paper Dealers, to the Auction Agent for the close of business on the Business Day immediately preceding such date. If one of the Commercial Paper Dealers does not quote a rate required to determine the "AA" Financial Composite Commercial Paper Rate, the "AA" Financial Composite Commercial Paper Rate will be determined on the basis of the quotation or quotations furnished by any Substitute Commercial Paper Dealer or Substitute Commercial Paper Dealers selected by the Trust to provide such rate or rates not being supplied by the Commercial Paper Dealer. If the number of Dividend Period days shall be (i) 7 or more but fewer than 49 days, such rate shall be the Interest Equivalent of the 30-day rate on such commercial paper; (ii) 49 or more but fewer than 70 days, such rate shall be the Interest Equivalent of the 60-day rate on such commercial paper; (iii) 70 or more days but fewer than 85 days, such rate shall be the arithmetic average of the Interest Equivalent on the 60-day and 90-day rates on such commercial paper;
(iv) 85 or more days but fewer than 99 days, such rate shall be the Interest Equivalent of the 90-day rate on such commercial paper; (v) 99 or more days but fewer than 120 days, such rate shall be the arithmetic average of the Interest Equivalent of the 90-day and 120-day rates on such commercial paper; (vi) 120 or more days but fewer than 141 days, such rate shall be the Interest Equivalent of the 120-day rate on such commercial paper; (vii) 141 or more days but fewer than 162 days, such rate shall be the arithmetic average of the Interest Equivalent of the 120-day and 180-day rates on such commercial paper; and (viii) 162 or more days but fewer than 183 days, such rate shall be the Interest Equivalent of the 180-day rate on such commercial paper.

"Adviser" means Eaton Vance Management.

"Agent Member" means the member of the Securities Depository that will act on behalf of a Beneficial Owner of one or more APS or on behalf of a Potential Beneficial Owner.

"All Hold Rate" means 80% of the "AA" Financial Composite Commercial Paper Rate.

"Alternate Treasury Bill Rate" on any date means the Interest Equivalent of the yield as calculated by reference to the arithmetic average of the bid price quotations of the actively traded Treasury Bill with a maturity most nearly comparable to the length of the related Dividend Period, as determined by bid price quotations as of any time on the Business Day immediately preceding such date, obtained from at least three recognized primary U.S. government securities dealers selected by the Auction Agent.

"Amended By-Laws" means the By-laws of the Trust, as amended January 8, 2004, specifying the powers, preferences and rights of the APS. The Trust's Amended By-Laws are contained in Appendix B to the Trust's Statement of Additional Information.


51

GLOSSARY

"Applicable Percentage" has the meaning set forth on page 36 of this Prospectus.

"Applicable Rate" means the rate per annum at which cash dividends are payable on APS for any Dividend Period.

"APS" means the Auction Preferred Shares with a par value of $0.01 per share and a liquidation preference of $25,000 per share, plus an amount equal to accumulated but unpaid dividends thereon (whether or not earned or declared), of the Trust.

"APS Basic Maintenance Amount" has the meaning set forth on pages 31 and 32 of this Prospectus.

"APS Basic Maintenance Cure Date" has the meaning set forth on page 31 of this Prospectus.

"Auction" means a periodic operation of the Auction Procedures.

"Auction Agent" means Deutsche Bank Trust Company Americas, unless and until another commercial bank, trust company or other financial institution appointed by a resolution of the Board of Trustees of the Trust or a duly authorized committee thereof enters into an agreement with each to follow the Auction Procedures for the purpose of determining the Applicable Rate and to act as transfer agent, registrar, dividend disbursing agent and redemption agent for the APS.

"Auction Agent Agreement" means the agreement entered into between the Trust and the Auction Agent which provides, among other things, that the Auction Agent will follow the Auction Procedures for the purpose of determining the Applicable Rate.

"Auction Date" has the meaning set forth on page 35 of this Prospectus.

"Auction Procedures" means the procedures for conducting Auctions set forth in
Section 10 of the Trust's Amended By-Laws contained in Appendix B to the Trust's Statement of Additional Information.

"Available APS" has the meaning specified in Paragraph 10(d)(i) of the Auction Procedures.

"Beneficial Owner" means a customer of a Broker-Dealer who is listed on the records of that Broker-Dealer (or if applicable, the Auction Agent) as a holder of APS or a Broker-Dealer that holds APS for its own account.

"Bid" has the meaning specified in Subsection 10(b)(i) of the Auction Procedures.

"Bidder" has the meaning specified in Subsection 10(b)(i) of the Auction Procedures.

"Board of Trustees" or "Board" means the Board of Trustees of the Trust.

"Broker-Dealer" means any broker-dealer, or other entity permitted by law to perform the functions required of a Broker-Dealer in the Auction Procedures, that has been selected by the Trust and has entered into a Broker-Dealer Agreement with the Auction Agent that remains effective.

"Broker-Dealer Agreement" means an agreement entered into between the Auction Agent and a Broker-Dealer, including UBS Securities LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated, Wachovia Capital Markets, LLC and A.G. Edwards & Sons, Inc. pursuant to which such Broker-Dealer agrees to follow the Auction Procedures.

"Business Day" means a day on which the New York Stock Exchange is open for trading and which is not a Saturday, Sunday or other day on which banks in New York City are authorized or obligated by law to close.

"Cede & Co." means the nominee of DTC, and in whose name the shares of APS initially will be registered.


52

GLOSSARY

"Code" means the Internal Revenue Code of 1986, as amended.

"Commercial Paper Dealer" means UBS Securities LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated and such other commercial paper dealer or dealers as the Trust may from time to time appoint, or in lieu of any thereof, their respective affiliates or successors.

"Common Shares" means the Common Shares, par value $0.01 per share, of the Trust.

"Date of Original Issue" means, with respect to each APS, the date on which such share first is issued by the Trust.

"Declaration of Trust" means the Agreement and Declaration of Trust of the Trust.

"Discounted Value" of any asset of each means with respect to a Fitch Eligible Asset and Moody's Eligible Asset, the quotient of the market value thereof divided by the applicable Fitch Discount Factor and Moody's Discount Factor.

"Dividend Payment Date" has the meaning set forth on page 25 of this Prospectus.

"Dividend Periods" has the meaning set forth on page 25 of this Prospectus.

"DTC" means The Depository Trust Company.

"Eligible Assets" means Fitch Eligible Assets and Moody's Eligible Assets.

"Existing Holder" means a Broker-Dealer or any such other person as may be permitted by the Trust that is listed as the holder of record of APS in the records of the Auction Agent.

"Fitch" means Fitch Ratings or its successors.

"Fitch Eligible Assets" has the meaning set forth on page 31 of this Prospectus.

"Hold Order" has the meaning specified in Subsection 10(b)(i) of the Auction Procedures.

"IBT" means Investors Bank & Trust Company, the custodian of the Trust's assets.

"Initial Dividend Payment Date" has the meaning set forth on the inside cover page of this Prospectus.

"Initial Dividend Period" means, with respect to the APS, the period from and including the Date of Original Issue to but excluding the Initial Dividend Payment Date of the APS.

"Interest Equivalent" means a yield on a 360-day basis of a discount basis security which is equal to the yield on an equivalent interest-bearing security.

"IRS" means the Internal Revenue Service.

"Long Term Dividend Period" has the meaning set forth on page 25 of this Prospectus.

"Mandatory Redemption Price" has the meaning set forth on page 29 of this Prospectus.

"Marginal Tax Rate" means the maximum marginal federal income tax rate applicable to an individual's or a corporation's ordinary income, whichever is greater.

"Maximum Applicable Rate" has the meaning specified under "The Auctions--Auction Procedures--Orders by Beneficial Owners, Potential Beneficial Owners, Existing Holders and Potential Holders" in this Prospectus.

"Moody's" means Moody's Investors Service, Inc. or its successors.

"Moody's Eligible Assets" has the meaning set forth on page 31 of this Prospectus.


53

GLOSSARY

"Non-Call Period" has the meaning set forth under "Specific Redemption Provisions" below.

"Non-Payment Period" has the meaning set forth on page 28 of this Prospectus.

"Non-Payment Period Rate" has the meaning set forth on page 28 of this Prospectus.

"Notice of Revocation" has the meaning set forth on page 27 of this Prospectus.

"Notice of Special Dividend Period" has the meaning set forth on page 27 of this Prospectus.

"Optional Redemption Price" has the meaning set forth on page 30 of this Prospectus.

"Order" has the meaning specified in Subsection 10(b)(i) of the Auction Procedures.

"Potential Beneficial Owner" means a customer of a Broker-Dealer or a Broker-Dealer that is not a Beneficial Owner of APS but that wishes to purchase such shares, or that is a Beneficial Owner that wishes to purchase additional APS.

"Potential Holder" means any Broker-Dealer or any such other person as may be permitted by the Trust, including any Existing Holder, who may be interested in acquiring APS (or, in the case of an Existing Holder, additional APS).

"Preferred Shares" means preferred shares of beneficial interest, par value $0.01 per share, of the Trust.

"Premium Call Period" has the meaning set forth under "Specific Redemption Provisions" below.

"Rating Agency" has the meaning set forth on page 2 of this Prospectus.

"Reference Rate" means, with respect to the Non-Payment Period Rate and the Maximum Applicable Rate, the applicable "AA" Financial Composite Commercial Paper Rate (for a Dividend Period of fewer than 184 days) or the applicable Treasury Index Rate (for a Dividend Period of 184 days or more).

"Request for Special Dividend Period" has the meaning set forth on page 26 of this Prospectus.

"Response" has the meaning set forth on page 26 of this Prospectus.

"S&P" means Standard & Poor's, or its successors.

"Securities Depository" means The Depository Trust Company and its successors and assigns or any successor securities depository selected by the Trust that agrees to follow the procedures required to be followed by such securities depository in connection with the APS.

"Sell Order" has the meaning specified in Subsection 10(b)(i) of the Auction Procedures.

"Short Term Dividend Period" has the meaning set forth on page 26 of this Prospectus.

"Special Dividend Period" has the meaning set forth on page 25 of this Prospectus.

"Specific Redemption Provisions" means, with respect to a Special Dividend Period, either, or any combination of, (i) a period (a "Non-Call Period") determined by the Board of Trustees of the Trust, after consultation with the Auction Agent and the Broker-Dealers, during which the APS subject to such Dividend Period shall not be subject to redemption at the option of the Trust and (ii) a period (a "Premium Call Period"), consisting of a number of whole years and determined by the Board of Trustees of the Trust, after consultation with the Auction Agent and the Broker-Dealers, during each year of which the APS subject to such Dividend Period shall be redeemable at the Trust's option at a price per share equal to $25,000 plus accumulated but unpaid dividends plus a premium expressed as a percentage of $25,000, as determined by the Board of Trustees of the Trust after consultation with the Auction Agent and the Broker-Dealers.


54

GLOSSARY

"Submission Deadline" has the meaning specified in Subsection 10(a)(x) of the Auction Procedures.

"Submitted Bid" has the meaning specified in Subsection 10(d)(i) of the Auction Procedures.

"Submitted Hold Order" has the meaning specified in Subsection 10(d)(i) of the Auction Procedures.

"Submitted Order" has the meaning specified in Subsection 10(d)(i) of the Auction Procedures.

"Submitted Sell Order" has the meaning specified in Subsection 10(d)(i) of the Auction Procedures.

"Subsequent Dividend Period" means each Dividend Period after the Initial Dividend Period.

"Substitute Commercial Paper Dealers" means such substitute Commercial Paper Dealer or Dealers as the Trust may from time to time appoint, or in lieu of any thereof, their respective affiliates or successors.

"Substitute Rating Agency" and "Substitute Rating Agencies" shall mean a nationally recognized statistical rating organization or two nationally recognized statistical rating organizations, respectively, selected by the Adviser, or its respective affiliates and successors, after consultation with the Trust, to act as a substitute Rating Agency or substitute Rating Agencies, as the case may be, to determine the credit ratings of the APS.

"Sufficient Clearing Bids" has the meaning specified in Subsection 10(d)(i) of the Auction Procedures.

"Treasury Index Rate" means the average yield to maturity for actively traded marketable U.S. Treasury fixed interest rate securities having the same number of 30-day periods to maturity as the length of the applicable Dividend Period, determined, to the extent necessary, by linear interpolation based upon the yield for such securities having the next shorter and next longer number of 30-day periods to maturity treating all Dividend Periods with a length greater than the longest maturity for such securities as having a length equal to such longest maturity, in all cases based upon data set forth in the most recent weekly statistical release published by the Board of Governors of the Federal Reserve System (currently in H.15 (519)); provided, however, if the most recent such statistical release shall not have been published during the 15 days preceding the date of computation, the foregoing computations shall be based upon the average of comparable data as quoted to the Trust by at least three recognized dealers in U.S. government securities selected by the Trust.

"Trust" means each Eaton Vance Senior Floating-Rate Trust, a Massachusetts business trust that is the issuer of APS.

"U.S. Treasury Bill Rate" on any date means (i) the Interest Equivalent of the rate on the actively traded Treasury Bill with a maturity most nearly comparable to the length of the related Dividend Period, as such rate is made available on a discount basis or otherwise by the Federal Reserve Bank of New York in its Composite 3:30 p.m. Quotations for U.S. Government Securities report for such Business Day, or (ii) if such yield as so calculated is not available, the Alternate Treasury Bill Rate on such date.

"U.S. Treasury Note Rate" on any date means (i) the yield as calculated by reference to the bid price quotation of the actively traded, current coupon Treasury Note with a maturity most nearly comparable to the length of the related Dividend Period, as such bid price quotation is published on the Business Day immediately preceding such date by the Federal Reserve Bank of New York in its Composite 3:30 p.m. Quotations for U.S. Government Securities report for such Business Day, or (ii) if such yield as so calculated is not available, the Alternate Treasury Note Rate on such date. "Alternate Treasury Note Rate" on any date means the yield as calculated by reference to the arithmetic average of the bid price quotations of the actively traded, current coupon Treasury Note with a maturity most nearly comparable to the length of the related Dividend Period, as determined by the bid price


55

GLOSSARY

quotations as of any time on the Business Day immediately preceding such date, obtained from at least three recognized primary U.S. government securities dealers selected by the Auction Agent.

"Valuation Date" means, for purposes of determining whether the Trust is maintaining the APS Basic Maintenance Amount, each Business Day commencing with , 2004.

"Winning Bid Rate" has the meaning specified in Subsection 10(d)(i) of the Auction Procedures.


56

[EATON VANCE LOGO]


STATEMENT OF ADDITIONAL INFORMATION    SUBJECT TO COMPLETION    January 16, 2004
--------------------------------------------------------------------------------

STATEMENT OF ADDITIONAL INFORMATION
JANUARY    , 2004

EATON VANCE SENIOR FLOATING-RATE TRUST

THE EATON VANCE BUILDING
255 STATE STREET
BOSTON, MASSACHUSETTS 02109
(800) 225-6265

TABLE OF CONTENTS

                                                              PAGE
                                                              ----
Additional investment information and restrictions..........    2
Trustees and officers.......................................   14
Investment advisory and other services......................   21
Determination of net asset value............................   23
Portfolio trading...........................................   25
Taxes.......................................................   27
Other information...........................................   30
Independent auditors........................................   30
Financial Statements........................................   32
APPENDIX A: Ratings.........................................  A-1
APPENDIX B: Amended By-Laws.................................  B-2

THIS STATEMENT OF ADDITIONAL INFORMATION ("SAI") IS NOT A PROSPECTUS AND IS AUTHORIZED FOR DISTRIBUTION TO PROSPECTIVE INVESTORS ONLY IF PRECEDED OR ACCOMPANIED BY THE PROSPECTUS OF EATON VANCE SENIOR FLOATING-RATE TRUST (THE "TRUST") DATED JANUARY , 2004, AS SUPPLEMENTED FROM TIME TO TIME, WHICH IS INCORPORATED HEREIN BY REFERENCE. THIS SAI SHOULD BE READ IN CONJUNCTION WITH SUCH PROSPECTUS, A COPY OF WHICH MAY BE OBTAINED WITHOUT CHARGE BY CONTACTING YOUR FINANCIAL INTERMEDIARY OR CALLING THE TRUST AT 1-800-225-6265.

THE INFORMATION IN THIS STATEMENT OF ADDITIONAL INFORMATION IS NOT COMPLETE AND MAY BE CHANGED. THESE SECURITIES MAY NOT BE SOLD UNTIL THE REGISTRATION STATEMENT FILED WITH THE SECURITIES AND EXCHANGE COMMISSION IS EFFECTIVE. THIS STATEMENT OF ADDITIONAL INFORMATION, WHICH IS NOT A PROSPECTUS, IS NOT AN OFFER TO SELL THESE SECURITIES AND IS NOT SOLICITING AN OFFER TO BUY THESE SECURITIES IN ANY STATE WHERE THE OFFER OR SALE IS NOT PERMITTED.


Capitalized terms used in this SAI and not otherwise defined have the meanings given them in the Trust's Prospectus.

Additional investment information and restrictions

Primary investment strategies are described in the Prospectus. The following is a description of the various investment policies that may be engaged in, whether as a primary or secondary strategy, and a summary of certain attendant risks. Eaton Vance may not buy any of the following instruments or use any of the following techniques unless it believes that doing so will help to achieve the Trust's investment objectives.

SENIOR LOANS

STRUCTURE OF SENIOR LOANS
A Senior Loan 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 group of loan investors ("Loan Investors"). The Agent typically administers and enforces the Senior Loan on behalf of the other Loan Investors in the syndicate. In addition, an institution, typically but not always the Agent, holds any collateral on behalf of the Loan Investors.

Senior Loans primarily include senior floating rate loans to corporations and secondarily institutionally traded senior floating rate debt obligations issued by an asset-backed pool, and interests therein. Loan interests primarily take the form of assignments purchased in the primary or secondary market. Loan interests may also take the form of participation interests in a Senior Loan. 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 Loan Investors or from other investors in loan interests.

The Trust typically purchases "Assignments" from the Agent or other Loan Investors. The purchaser of an Assignment typically succeeds to all the rights and obligations under the Loan Agreement of the assigning Loan Investor and becomes a Loan Investor under the Loan Agreement with the same rights and obligations as the assigning Loan Investor. Assignments may, however, be arranged through private negotiations between potential assignees and potential assignors, and the rights and obligations acquired by the purchaser of an Assignment may differ from, and be more limited than, those held by the assigning Loan Investor.

The Trust also may invest in "Participations." Participations by the Trust in a Loan Investor's portion of a Senior Loan typically will result in the Trust having a contractual relationship only with such Loan Investor, not with the Borrower. As a result, the Trust may have the right to receive payments of principal, interest and any fees to which it is entitled only from the Loan Investor selling the Participation and only upon receipt by such Loan Investor of such payments from the Borrower. In connection with purchasing Participations, the Trust generally will have no right to enforce compliance by the Borrower with the terms of the loan agreement, nor any rights with respect to any funds acquired by other Loan Investors through set-off against the Borrower and the Trust may not directly benefit from the collateral supporting the Senior Loan in which it has purchased the Participation. As a result, the Trust may assume the credit risk of both the Borrower and the Loan Investor selling the Participation. In the event of the insolvency of the Loan Investor selling a Participation, the Trust may be treated as a general creditor of such Loan Investor. The selling Loan Investors and other persons interpositioned between such Loan Investors and the Trust with respect to such Participations will likely conduct their principal business activities in the banking, finance and financial services industries. Persons engaged in such industries may be more susceptible to, among other things, fluctuations in interest rates, changes in the Federal Open Market Committee's monetary policy, governmental regulations concerning such industries and concerning capital raising activities generally and fluctuations in the financial markets generally.


2

ADDITIONAL INVESTMENT INFORMATION AND RESTRICTIONS

The Trust will only acquire Participations if the Loan Investor selling the Participation, and any other persons interpositioned between the Trust and the Loan Investor, at the time of investment has outstanding debt or deposit obligations rated investment grade (BBB- or A-3 or higher by Standard & Poor's Ratings Group ("S&P") or Baa3 or P-3 or higher by Moody's Investors Service, Inc. ("Moody's") or comparably rated by another nationally recognized rating agency) or determined by the Adviser to be of comparable quality. Securities rated Baa3 by Moody's have speculative characteristics. Long-term debt rated BBB- by S&P is regarded by S&P as having adequate capacity to pay interest and repay principal and debt rated Baa3 by Moody's is regarded by Moody's as a medium grade obligation, i.e., it is neither highly protected nor poorly secured. Commercial paper rated A-3 by S&P indicates that S&P believes such obligations exhibit adequate protection parameters but that adverse economic conditions or changing circumstances are more likely to lead to a weakened capacity of the obligor to meet its financial commitment on the obligation and issues of commercial paper rated P-3 by Moody's are considered by Moody's to have an acceptable ability for repayment of senior short-term obligations. The effect of industry characteristics and market compositions may be more pronounced. Indebtedness of companies whose creditworthiness is poor involves substantially greater risks, and may be highly speculative. Some companies may never pay off their indebtedness, or may pay only a small fraction of the amount owed. Consequently, when investing in indebtedness of companies with poor credit, the Trust bears a substantial risk of losing the entire amount invested.

The following table is intended to provide investors with a comparison of short-term money market rates, a representative base commercial lending rate, and a representative indicator of the premium over such base lending rate for Senior Loans. This comparison should not be considered a representation of future money market rates, spreads of Senior Loans over base reference rates nor what an investment in the Trust may earn or what an investor's yield or total return may be in the future.

                                           SEPT.     SEPT.     SEPT.     SEPT.     SEPT.     SEPT.
                                           1993      1995      1997      1999      2001      2003
--------------------------------------------------------------------------------------------------
3 Month Treasury Bill(1).................  2.98%     5.42%     5.11%     4.86%     2.38%     0.95%
  3 Month LIBOR(2).......................  3.21      5.87      5.80      5.57      3.03      1.14
CSFB Leveraged Loan Index(3).............  5.71      8.18      8.13      8.04      6.18      4.34


(1) Source: Bloomberg

(2) The London InterBank Offer Rate; Source: Bloomberg

(3) The CSFB Leveraged Loan Index is a representative index of tradable, senior secured, U.S. dollar-denominated leveraged loans. Investors cannot invest directly in an index. Source for the CSFB leveraged loan index returns:
Thomson Financial.

LOAN COLLATERAL
In order to borrow money pursuant to a Senior Loan, a Borrower will frequently, for the term of the Senior Loan, pledge collateral, including but not limited to, (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. In the case of Senior 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 many instances, a Senior Loan may be secured only by stock in the Borrower or its subsidiaries. Collateral may consist of assets that may not be readily liquidated, and there is no assurance that the liquidation of such assets would satisfy fully a Borrower's obligations under a Senior Loan.


3

ADDITIONAL INVESTMENT INFORMATION AND RESTRICTIONS

CERTAIN FEES PAID TO THE TRUST
In the process of buying, selling and holding Senior Loans, the Trust may receive and/or pay certain fees. These fees are in addition to interest payments received and may include facility fees, commitment fees, amendment fees, commissions and prepayment penalty fees. When the Trust buys a Senior Loan it may receive a facility fee and when it sells a Senior Loan it may pay a facility fee. On an ongoing basis, the Trust may receive a commitment fee based on the undrawn portion of the underlying line of credit portion of a Senior Loan. In certain circumstances, the Trust may receive a prepayment penalty fee upon the prepayment of a Senior Loan by a Borrower. Other fees received by the Trust 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 holders of the Senior Loan (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 that is not waived by the Agent, or by the Loan Investors directly, as the case may be, is normally an event of acceleration; i.e., the Agent, or the Loan Investors directly, as the case may be, has the right to call the outstanding Senior Loan. The typical practice of an Agent or a Loan Investor in relying exclusively or primarily on reports from the Borrower to monitor the Borrower's compliance with covenants may involve a risk of fraud by the Borrower. In the case of a Senior Loan in the form of a Participation, the agreement between the buyer and seller may limit the rights of the holder to vote on certain changes that may be made to the Loan Agreement, such as waiving a breach of a covenant. However, the holder of the Participation 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 Senior 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 that are parties to the Loan Agreement. The Trust will generally rely upon the Agent or an intermediate participant to receive and forward to the Trust its portion of the principal and interest payments on the Senior Loan. Furthermore, unless under the terms of a Participation Agreement the Trust has direct recourse against the Borrower, the Trust will rely on the Agent and the other Loan Investors 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 Senior Loan usually does, but is often not obligated to, notify holders of Senior Loans 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 Senior Loan, may give the Borrower an opportunity to provide additional collateral or may seek other protection for the benefit of the participants in the Senior 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 Senior Loan and other fees paid on a continuing basis. With respect to Senior Loans for which the Agent does not perform such administrative and enforcement functions, the Trust will perform such tasks on its own behalf, although a collateral bank will typically hold any collateral on behalf of the Trust and the other Loan Investors pursuant to the applicable Loan Agreement.


4

ADDITIONAL INVESTMENT INFORMATION AND RESTRICTIONS

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 Senior Loans. However, if assets held by the Agent for the benefit of the Trust were determined to be subject to the claims of the Agent's general creditors, the Trust might incur certain costs and delays in realizing payment on a Senior Loan, or suffer a loss of principal and/or interest. In situations involving intermediate participants, similar risks may arise.

PREPAYMENTS
Senior Loans will usually require, in addition to scheduled payments of interest and principal, the prepayment of the Senior Loan from a portion of free cash flow, as defined above. The degree to which Borrowers prepay Senior 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 Loan Investors, among other factors. As such, prepayments cannot be predicted with accuracy. Upon a prepayment, either in part or in full, the actual outstanding debt on which the Trust derives interest income will be reduced. However, the Trust may receive both a prepayment penalty fee from the prepaying Borrower and a facility fee upon the purchase of a new Senior Loan with the proceeds from the prepayment of the former. Prepayments generally will not materially affect the Trust's performance because the Trust typically is able to reinvest prepayments in other Senior Loans that have similar yields and because receipt of such fees may mitigate any adverse impact on the Trust's yield.

OTHER INFORMATION REGARDING SENIOR LOANS
From time to time the Adviser and its affiliates may borrow money from various banks in connection with their business activities. Such banks may also sell interests in Senior Loans to or acquire them from the Trust or may be intermediate participants with respect to Senior Loans in which the Trust owns interests. Such banks may also act as Agents for Senior Loans held by the Trust.

The Trust may acquire interests in Senior Loans that 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 Trust may also invest in Senior Loans of Borrowers that 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.

The Trust will be subject to the risk that collateral securing a loan will decline in value or have no value. Such a decline, whether as a result of bankruptcy proceedings or otherwise, could cause the Senior Loan to be undercollateralized or unsecured. In most credit agreements, there is no formal requirement to pledge additional collateral. In addition, the Trust may invest in Senior Loans guaranteed by, or secured by assets of, shareholders or owners, even if the Senior 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 Senior Loan. On occasions when such stock cannot be pledged, the Senior 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 Senior 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 Senior Loans and, indirectly, Senior Loans themselves.


5

ADDITIONAL INVESTMENT INFORMATION AND RESTRICTIONS

If a Borrower becomes involved in bankruptcy proceedings, a court may invalidate the Trust's security interest in the loan collateral or subordinate the Trust's rights under the Senior Loan to the interests of the Borrower's unsecured creditors or cause interest previously paid to be refunded to the Borrower. If a court required interest to be refunded, it could negatively affect the Trust's performance. 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 Trust. For Senior 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 that 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 Trust's security interest in loan collateral. If the Trust's security interest in loan collateral is invalidated or the Senior Loan is subordinated to other debt of a Borrower in bankruptcy or other proceedings, the Trust would have substantially lower recovery, and perhaps no recovery on the full amount of the principal and interest due on the Loan.

The Trust may acquire warrants and other equity securities as part of a unit combining a Senior Loan and equity securities of a Borrower or its affiliates. The acquisition of such equity securities will only be incidental to the Trust's purchase of a Senior Loan. The Trust may also acquire equity securities or debt securities issued in exchange for a Senior Loan or issued in connection with the debt restructuring or reorganization of a Borrower, or if such acquisition, in the judgment of the Adviser, may enhance the value of a Senior Loan or would otherwise be consistent with the Trust's investment policies.

DEBTOR-IN-POSSESSION FINANCING
The Trust may invest in debtor-in-possession financings (commonly called "DIP financings"). DIP financings are arranged when an entity seeks the protections of the bankruptcy court under chapter 11 of the U.S. Bankruptcy Code. These financings allow the entity to continue its business operations while reorganizing under chapter 11. Such financings are senior liens on unencumbered security (i.e., security not subject to other creditors claims). There is a risk that the entity will not emerge from chapter 11 and be forced to liquidate its assets under chapter 7 of the Bankruptcy Code. In such event, the Trust's only recourse will be against the property securing the DIP financing.

LITIGATION INVOLVING EATON VANCE
On October 15, 2001, an amended consolidated complaint was filed in the United States District Court for the District of Massachusetts against four Eaton Vance closed-end interval funds (the "Interval Funds"); their Trustees and certain officers of the Interval Funds; Eaton Vance, the Interval Funds' administrator; Boston Management and Research, the Interval Funds' investment adviser; and Eaton Vance Corp., the parent of Eaton Vance and Boston Management and Research. The Complaint, framed as a class action, alleges that for the period between May 25, 1998 and March 5, 2001, the Interval Funds' assets were incorrectly valued and certain matters were not properly disclosed, in violation of the federal securities laws. The Complaint seeks unspecified damages. The named defendants believe that the Complaint is without merit and are vigorously contesting the lawsuit. Eaton Vance believes that the lawsuit is not likely to have a material adverse affect on its ability to render services to the Trust.

REGULATORY CHANGES
To the extent that legislation or state or federal regulators that regulate certain financial institutions impose additional requirements or restrictions with respect to the ability of such institutions to make loans, particularly in connection with highly leveraged transactions, the availability of Senior Loans for investment may be adversely affected. Further, such legislation or regulation could depress the market value of Senior Loans.


6

ADDITIONAL INVESTMENT INFORMATION AND RESTRICTIONS

CREDIT QUALITY
Many Senior Loans in which the Trust may invest are of below investment grade credit quality. Accordingly, these Senior Loans are subject to similar or identical risks and other characteristics described below in relation to Non-Investment Grade Bonds.

NON-INVESTMENT GRADE BONDS

Investments in Non-Investment Grade Bonds generally provide greater income and increased opportunity for capital appreciation than investments in higher quality securities, but they also typically entail greater price volatility and principal and income risk, including the possibility of issuer default and bankruptcy. Non-Investment Grade Bonds are regarded as predominantly speculative with respect to the issuer's continuing ability to meet principal and interest payments. Debt securities in the lowest investment grade category also may be considered to possess some speculative characteristics by certain rating agencies. In addition, analysis of the creditworthiness of issuers of Non-Investment Grade Bonds may be more complex than for issuers of higher quality securities.

Non-Investment Grade Bonds may be more susceptible to real or perceived adverse economic and competitive industry conditions than investment grade securities. A projection of an economic downturn or of a period of rising interest rates, for example, could cause a decline in Non-Investment Grade Bond prices because the advent of recession could lessen the ability of an issuer to make principal and interest payments on its debt obligations. If an issuer of Non-Investment Grade Bonds defaults, in addition to risking payment of all or a portion of interest and principal, the Trust may incur additional expenses to seek recovery. In the case of Non-Investment Grade Bonds structured as zero-coupon, step-up or payment-in-kind securities, their market prices will normally be affected to a greater extent by interest rate changes, and therefore tend to be more volatile than securities that pay interest currently and in cash. Eaton Vance seeks to reduce these risks through diversification, credit analysis and attention to current developments in both the economy and financial markets.

The secondary market on which Non-Investment Grade Bonds are traded may be less liquid than the market for investment grade securities. Less liquidity in the secondary trading market could adversely affect the net asset value of the shares of the Trust. Adverse publicity and investor perceptions, whether or not based on fundamental analysis, may decrease the values and liquidity of Non- Investment Grade Bonds, especially in a thinly traded market. When secondary markets for Non-Investment Grade Bonds are less liquid than the market for investment grade securities, it may be more difficult to value the securities because such valuation may require more research, and elements of judgment may play a greater role in the valuation because there is no reliable, objective data available. During periods of thin trading in these markets, the spread between bid and asked prices is likely to increase significantly and the Trust may have greater difficulty selling these securities. The Trust will be more dependent on Eaton Vance's research and analysis when investing in Non-Investment Grade Bonds. Eaton Vance seeks to minimize the risks of investing in all securities through in-depth credit analysis and attention to current developments in interest rate and market conditions.

A general description of the ratings of securities by S&P, Fitch and Moody's is set forth in Appendix A to this SAI. Such ratings represent these rating organizations' opinions as to the quality of the securities they rate. It should be emphasized, however, that ratings are general and are not absolute standards of quality. Consequently, debt obligations with the same maturity, coupon and rating may have different yields while obligations with the same maturity and coupon may have the same yield. For these reasons, the use of credit ratings as the sole method of evaluating Non-Investment Grade Bonds can involve certain risks. For example, credit ratings evaluate the safety or principal and interest payments, not the market value risk of Non-Investment Grade Bonds. Also, credit rating agencies may fail to change credit ratings in a timely fashion to reflect events since the security was last rated. Eaton Vance does not rely solely on credit ratings when selecting securities for the Trust, and develops its own independent analysis of issuer credit quality.


7

ADDITIONAL INVESTMENT INFORMATION AND RESTRICTIONS

In the event that a rating agency or Eaton Vance downgrades its assessment of the credit characteristics of a particular issue, the Trust is not required to dispose of such security. In determining whether to retain or sell a downgraded security, Eaton Vance may consider such factors as Eaton Vance's assessment of the credit quality of the issuer of such security, the price at which such security could be sold and the rating, if any, assigned to such security by other rating agencies. However, analysis of the creditworthiness of issuers of Non-Investment Grade Bonds may be more complex than for issuers of high quality debt securities.

CONVERTIBLE SECURITIES
The Trust may invest in convertible securities. Convertible securities include any corporate debt security or preferred stock that may be converted into underlying shares of common stock. The common stock underlying convertible securities may be issued by a different entity than the issuer of the convertible securities. Convertible securities entitle the holder to receive interest payments paid on corporate debt securities or the dividend preference on a preferred stock until such time as the convertible security matures or is redeemed or until the holder elects to exercise the conversion privilege. As a result of the conversion feature, however, the interest rate or dividend preference on a convertible security is generally less than would be the case if the securities were issued in non-convertible form.

The value of convertible securities is influenced by both the yield of non-convertible securities of comparable issuers and by the value of the underlying common stock. The value of a convertible security viewed without regard to its conversion feature (i.e., strictly on the basis of its yield) is sometimes referred to as its "investment value." The investment value of the convertible security typically will fluctuate inversely with changes in prevailing interest rates. However, at the same time, the convertible security will be influenced by its "conversion value," which is the market value of the underlying common stock that would be obtained if the convertible security were converted. Conversion value fluctuates directly with the price of the underlying common stock.

If, because of a low price of the common stock, the conversion value is substantially below the investment value of the convertible security, the price of the convertible security is governed principally by its investment value. If the conversion value of a convertible security increases to a point that approximates or exceeds its investment value, the value of the security will be principally influenced by its conversion value. A convertible security will sell at a premium over its conversion value to the extent investors place value on the right to acquire the underlying common stock while holding a fixed income security. Holders of convertible securities have a claim on the assets of the issuer prior to the common stockholders, but may be subordinated to holders of similar non-convertible securities of the same issuer.

OTHER INVESTMENTS

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


8

ADDITIONAL INVESTMENT INFORMATION AND RESTRICTIONS

Fixed-rate bonds may have a demand feature allowing the holder to redeem the bonds at specified times. These bonds are more defensive than conventional long-term bonds (protecting to some degree against a rise in interest rates) while providing greater opportunity than comparable intermediate term bonds, since they may be retained if interest rates decline. Acquiring these kinds of bonds provides the contractual right to require the issuer of the bonds to purchase the security at an agreed upon price, which right is contained in the obligation itself rather than in a separate agreement or instrument. Since this right is assignable only with the bond, it will not be assigned any separate value.

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

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

REPURCHASE AGREEMENTS
The Trust may enter into repurchase agreements (the purchase of a security coupled with an agreement to resell at a higher price) with respect to its permitted investments. In the event of the bankruptcy of the other party to a repurchase agreement, the Trust might experience delays in recovering its cash. To the extent that, in the meantime, the value of the securities the Trust purchased may have decreased, the Trust could experience a loss. Repurchase agreements that mature in more than seven days will be treated as illiquid. The Trust'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 agreement, and will be marked to market daily.

ZERO COUPONS BONDS
Zero coupon bonds are debt obligations that do not require the periodic payment of interest and are issued at a significant discount from face value. The discount approximates the total amount of interest the bonds will accrue and compound over the period until maturity at a rate of interest reflecting the market rate of the security at the time of issuance. The Trust is required to accrue income from zero coupon bonds on a current basis, even though it does not receive that income currently in cash and the Trust is required to distribute its income for each taxable year. Thus, the Trust may have to sell other investments to obtain cash needed to make income distributions.

INDEXED SECURITIES
The Trust may invest in securities that fluctuate in value with an index. Such securities generally will either be issued by the U.S. government or one of its agencies or instrumentalities or, if privately issued, collateralized by mortgages that are insured, guaranteed or otherwise backed by the U.S. government, its agencies or instrumentalities. The interest rate or, in some cases, the principal payable at the maturity of an indexed security may change positively or inversely in relation to one or more interest rates, financial indices, securities prices or other financial indicators ("reference prices"). An indexed security may be leveraged to the extent that the magnitude of any change in the interest rate or principal payable on an indexed security is a multiple of the change in the reference price. Thus, indexed securities may decline in value due to adverse market changes in reference prices. Because indexed securities derive their value from another instrument, security or index, they are considered


9

ADDITIONAL INVESTMENT INFORMATION AND RESTRICTIONS

derivative debt securities, and are subject to different combinations of prepayment, extension, interest rate and/or other market risks.

SHORT SALES
The Trust may utilize short sales for hedging purposes. A short sale is affected by selling a security which the Trust does not own, or, if the Trust does own the security, is not to be delivered upon consummation of the sale. The Trust may engage in short sales "against the box" (i.e., short sales of securities the Trust already owns) for hedging purposes. If the price of the security in the short sale decreases, the Trust will realize a profit to the extent that the short sale price for the security exceeds the market price. If the price of the security increases, the Trust will realize a loss to the extent that the market price exceeds the short sale price. Selling securities short runs the risk of losing an amount greater than the initial investment therein.

Purchasing securities to close out the short position can itself cause the price of the securities to rise further, thereby exacerbating the loss. Short-selling exposes the Trust to unlimited risk with respect to that security due to the lack of an upper limit on the price to which an instrument can rise. Although the Trust reserves the right to utilize short sales, the Adviser is under no obligation to utilize shorts at all.

FOREIGN INVESTMENTS
The Trust may invest in U.S. dollar denominated securities of non-U.S. issuers. Because foreign companies are not subject to uniform accounting, auditing and financial reporting standards, practices and requirements comparable to those applicable to U.S. companies, there may be less publicly available information about a foreign company than about a domestic company. Volume and liquidity in most foreign debt markets is less than in the United States and securities of some foreign companies are less liquid and more volatile than securities of comparable U.S. companies. There is generally less government supervision and regulation of securities exchanges, broker-dealers and listed companies than in the United States. Mail service between the United States and foreign countries may be slower or less reliable than within the United States, thus increasing the risk of delayed settlements of portfolio transactions or loss of certificates for portfolio securities. Payment for securities before delivery may be required. In addition, with respect to certain foreign countries, there is the possibility of expropriation or confiscatory taxation, political or social instability, or diplomatic developments that could affect investments in those countries. Moreover, individual foreign economies may differ favorably or unfavorably from the U.S. economy in such respects as growth of gross national product, rate of inflation, capital reinvestment, resource self-sufficiency and balance of payments position. Foreign securities markets, while growing in volume and sophistication, are generally not as developed as those in the United States, and securities of some foreign issuers (particularly those located in developing countries) may be less liquid and more volatile than securities of comparable U.S. companies.

American Depositary Receipts ("ADRs"), European Depositary Receipts ("EDRs") and Global Depositary Receipts ("GDRs") may be purchased. ADRs, EDRs and GDRs are certificates evidencing ownership of shares of a foreign issuer and are alternatives to purchasing directly the underlying foreign securities in their national markets and currencies. However, they continue to be subject to many of the risks associated with investing directly in foreign securities. These risks include foreign exchange risk as well as the political and economic risks of the underlying issuer's country. ADRs, EDRs and GDRs may be sponsored or unsponsored. Unsponsored receipts are established without the participation of the issuer. Unsponsored receipts may involve higher expenses, they may not pass- through voting or other shareholder rights, and they may be less liquid.


10

ADDITIONAL INVESTMENT INFORMATION AND RESTRICTIONS

OPTIONS
Call options may be purchased to provide exposure to increases in the market (e.g., with respect to temporary cash positions) or to hedge against an increase in the price of securities or other investments that the Trust intends to purchase or has sold short. Similarly, put options may be purchased for speculative purposes or to hedge against a decrease in the market generally or in the price of securities or other investments held by the Trust. Buying options may reduce the Trust's returns, but by no more than the amount of the premiums paid for the options.

The Trust may write covered call options (i.e., where the Trust owns the security or other investment that is subject to the call) to enhance returns when the Adviser perceives that the option premium offered is in excess of the premium that the Adviser would expect to be offered under existing market conditions, or if the exercise price of the option is in excess of the price that the Adviser expects the security or other underlying investment to reach during the life of the option. Writing covered call options may limit the Trust's gain on portfolio investments if the option is exercised because the Trust will have to sell the underlying investments below the current market price. Purchasing and writing put and call options are highly specialized activities and entail greater than ordinary market risks.

SECURITIES LENDING
As described in the Prospectus, the Trust may lend a portion of its portfolio Senior Loans or other securities to broker-dealers or other institutional borrowers. Loans will be made only to organizations whose credit quality or claims paying ability is considered by the Adviser to be at least investment grade. All securities loans will be collateralized on a continuous basis by cash or U.S. government securities having a value, marked to market daily, of at least 100% of the market value of the loaned securities. The Trust may receive loan fees in connection with loans that are collateralized by securities or on loans of securities for which there is special demand. The Trust may also seek to earn income on securities loans by reinvesting cash collateral in mortgage-backed securities ("MBS") or other securities consistent with its investment objectives and policies, seeking to invest at rates that are higher than the "rebate" rate that it normally will pay to the borrower with respect to such cash collateral. Any such reinvestment will be subject to the investment policies, restrictions and risk considerations described in the Prospectus and in this SAI. Under current Rating Agency guidelines in connection with the APS, securities lending by the Trust may not exceed 15% of the Trust's total gross assets. Such limit is subject to change by Rating Agencies.

Lending Senior Loans and other securities may result in delays in recovering, or a failure of the borrower to return, the loaned securities. The defaulting borrower ordinarily would be liable to the Trust for any losses resulting from such delays or failures, and the collateral provided in connection with the loan normally would also be available for that purpose. Securities loans normally may be terminated by either the Trust or the borrower at any time. Upon termination and the return of the loaned securities, the Trust would be required to return the related cash or securities collateral to the borrower and it may be required to liquidate longer term portfolio securities in order to do so. To the extent that such securities have decreased in value, this may result in the Trust realizing a loss at a time when it would not otherwise do so. The Trust also may incur losses if it is unable to reinvest cash collateral at rates higher than applicable rebate rates paid to borrowers and related administrative costs. These risks are substantially the same as those incurred through investment leverage, and will be subject to the investment policies, restrictions and risk considerations described in the Prospectus and in this SAI.

The Trust will receive amounts equivalent to any interest or other distributions paid on securities while they are on loan, and the Trust will not be entitled to exercise voting or other beneficial rights on loaned securities. The Trust will exercise its right to terminate loans and thereby regain these rights whenever the Adviser considers it to be in the Trust's interest to do so, taking into account the related loss of reinvestment income and other factors.


11

ADDITIONAL INVESTMENT INFORMATION AND RESTRICTIONS

SHORT-TERM TRADING
Securities may be sold in anticipation of market decline (a rise in interest rates) or purchased in anticipation of a market rise (a decline in interest rates) and later sold. In addition, a security may be sold and another purchased at approximately the same time to take advantage of what the Adviser believes to be a temporary disparity in the normal yield relationship between the two securities. Yield disparities may occur for reasons not directly related to the investment quality of particular issues or the general movement of interest rates, such as changes in the overall demand for or supply of various types of fixed income securities or changes in the investment objectives of investors.

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

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

(1) Borrow money, except as permitted by the Investment Company Act of 1940 (the "1940 Act"). The 1940 Act currently requires that any indebtedness incurred by a closed-end investment company have an asset coverage of at least 300%;

(2) Issue senior securities, as defined in the 1940 Act, 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. The 1940 Act currently defines "senior security" as any bond, debenture, note or similar obligation or instrument constituting a security and evidencing indebtedness, and any stock of a class having priority over any other class as to distribution of assets or payment of dividends. Debt and equity securities issued by a closed-end investment company meeting the foregoing asset coverage provisions are excluded from the general 1940 Act prohibition on the issuance of senior securities;

(3) Purchase securities on margin (but the Trust may obtain such short-term credits as may be necessary for the clearance of purchases and sales of securities). The purchase of 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 Trust is authorized to invest in accordance with its investment objectives and policies, (b) entering into repurchase agreements, (c) lending its portfolio securities and (d) lending cash consistent with applicable law;

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


12

ADDITIONAL INVESTMENT INFORMATION AND RESTRICTIONS

(7) 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; and

(8) With respect to 75% of its total assets, invest more than 5% of its total assets in the securities of a single issuer or purchase more than 10% of the outstanding voting securities of a single issuer, except obligations issued or guaranteed by the U.S. government, its agencies or instrumentalities and except securities of other investment companies; or invest 25% or more of its total assets in any single industry (other than securities issued or guaranteed by the U.S. government or its agencies or instrumentalities).

The Trust may borrow money as a temporary measure for extraordinary or emergency purposes, including the payment of dividends and the settlement of securities transactions which otherwise might require untimely dispositions of Trust securities. The 1940 Act currently requires that the Trust have 300% asset coverage with respect to all borrowings other than temporary borrowings.

For purposes of construing restriction (8), securities of the U.S. Government, its agencies, or instrumentalities are not considered to represent industries. Municipal obligations backed by the credit of a governmental entity are also not considered to represent industries.

The Trust has adopted the following nonfundamental investment policy, which may be changed by the Board without approval of the Trust's shareholders. As a matter of nonfundamental policy, the Trust may not 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 issuer as, and equal in amount to, the securities sold short.

The Trust may invest more than 10% of its total assets in one or more other management investment companies (or may invest in affiliated investment companies) to the extent permitted by section 12(d) of the 1940 Act and rules thereunder.

Whenever an investment policy or investment restriction set forth in the Prospectus or this SAI states a maximum percentage of assets that may be invested in any security or other asset or describes a policy regarding quality standards, such percentage limitation or standard shall be determined immediately after and as a result of the Trust's acquisition of such security or asset. Accordingly, any later increase or decrease resulting from a change in values, assets or other circumstances or any subsequent rating change made by a rating service (or as determined by the Adviser if the security is not rated by a rating agency) will not compel the Trust to dispose of such security or other asset. Notwithstanding the foregoing, the Trust must always be in compliance with the borrowing policies set forth above.


13


Trustees and officers

The Trustees of the Trust are responsible for the overall management and supervision of the affairs of the Trust. The Trustees and officers of the Trust 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. The "noninterested Trustees" consist of those Trustees who are not "interested persons" of the Trust, as that term is defined under the 1940 Act. The business address of each Trustee and officer is The Eaton Vance Building, 255 State Street, Boston, Massachusetts 02109. As used in this SAI, "EVC" refers to Eaton Vance Corp., "EV" refers to Eaton Vance, Inc., "BMR" refers to Boston Management and Research, and "EVD" refers to Eaton Vance Distributors Inc. EVC and EV are the corporate parent and trustee, respectively, of Eaton Vance and BMR.

                                                                                    NUMBER OF
                                                                                PORTFOLIOS IN
                                       TERM OF OFFICE                            FUND COMPLEX               OTHER
NAME AND                  POSITION(S)      AND LENGTH  PRINCIPAL OCCUPATION(S)    OVERSEEN BY       DIRECTORSHIPS
DATE OF BIRTH          WITH THE TRUST      OF SERVICE   DURING PAST FIVE YEARS     TRUSTEE(1)                HELD
-----------------------------------------------------------------------------------------------------------------
INTERESTED TRUSTEES
Jessica M. Bibliowicz  Trustee(2)      Since 10/16/03  Chairman, President and       193       Director of
11/28/59                               Three Years     Chief Executive Officer                 National Financial
                                                       of National Financial                   Partners
                                                       Partners (financial
                                                       services company)
                                                       (since April 1999).
                                                       President and Chief
                                                       Operating Officer of
                                                       John A. Levin & Co.
                                                       (registered investment
                                                       adviser) (July 1997 to
                                                       April 1999) and a
                                                       Director of Baker,
                                                       Fentress & Company
                                                       which owns John A.
                                                       Levin & Co. (July 1997
                                                       to April 1999). Ms.
                                                       Bibliowicz is an
                                                       interested person
                                                       because of her
                                                       affiliation with a
                                                       brokerage firm.
James B. Hawkes        Trustee(3) and  Since 8/5/03    Chairman, President and       195       Director of EVC
11/9/41                Vice President  Three Years     Chief Executive Officer
                                                       of BMR, Eaton Vance,
                                                       EVC and EV; Director of
                                                       EV; Vice President and
                                                       Director of EVD.
                                                       Trustee and/or officer
                                                       of 195 registered
                                                       investment companies in
                                                       the Eaton Vance Fund
                                                       Complex. Mr. Hawkes is
                                                       an interested person
                                                       because of his
                                                       positions with BMR,
                                                       Eaton Vance, EVC and
                                                       EV, which are
                                                       affiliates of the
                                                       Trust.


14

TRUSTEES AND OFFICERS

                                                                                    NUMBER OF
                                                                                PORTFOLIOS IN
                                       TERM OF OFFICE                            FUND COMPLEX               OTHER
NAME AND                  POSITION(S)      AND LENGTH  PRINCIPAL OCCUPATION(S)    OVERSEEN BY       DIRECTORSHIPS
DATE OF BIRTH          WITH THE TRUST      OF SERVICE   DURING PAST FIVE YEARS     TRUSTEE(1)                HELD
-----------------------------------------------------------------------------------------------------------------
NON-INTERESTED TRUSTEES
Samuel L. Hayes, III   Trustee(2)      Since 10/16/03  Jacob H. Schiff               195       Director of
2/23/35                                Three Years     Professor of Investment                 Tiffany & Co.
                                                       Banking Emeritus,                       (specialty
                                                       Harvard University                      retailer) and
                                                       Graduate School of                      Telect, Inc.
                                                       Business                                (telecommunication
                                                       Administration.                         services company)
William H. Park        Trustee(3)      Since 10/16/03  President and Chief           192       None
9/19/47                                Three Years     Executive Officer,
                                                       Prizm Capital
                                                       Management, LLC
                                                       (investment management
                                                       firm) (since 2002).
                                                       Executive Vice
                                                       President and Chief
                                                       Financial Officer,
                                                       United Asset Management
                                                       Corporation (a holding
                                                       company owning
                                                       institutional
                                                       investment management
                                                       firms) (1982-2001).
Ronald A. Pearlman     Trustee(4)      Since 10/16/03  Professor of Law,             192       None
7/10/40                                Three Years     Georgetown University
                                                       Law Center (since
                                                       1999). Tax Partner,
                                                       Covington & Burling,
                                                       Washington, DC
                                                       (1991-2000).


15

TRUSTEES AND OFFICERS

                                                                                    NUMBER OF
                                                                                PORTFOLIOS IN
                                       TERM OF OFFICE                            FUND COMPLEX               OTHER
NAME AND                  POSITION(S)      AND LENGTH  PRINCIPAL OCCUPATION(S)    OVERSEEN BY       DIRECTORSHIPS
DATE OF BIRTH          WITH THE TRUST      OF SERVICE   DURING PAST FIVE YEARS     TRUSTEE(1)                HELD
-----------------------------------------------------------------------------------------------------------------
Norton H. Reamer       Trustee(4)      Since 10/16/03  President and Chief           195       None
9/21/35                                Three Years     Executive Officer of
                                                       Asset Management
                                                       Finance Corp. (a
                                                       specialty finance
                                                       company serving the
                                                       investment management
                                                       industry) (since
                                                       October 2003).
                                                       President, Unicorn
                                                       Corporation (an
                                                       investment and
                                                       financial advisory
                                                       services company)
                                                       (since September 2000).
                                                       Formerly, Chairman,
                                                       Hellman, Jordan
                                                       Management Co., Inc.
                                                       (an investment
                                                       management company)
                                                       (2000-2003). Formerly,
                                                       Advisory Director of
                                                       Berkshire Capital
                                                       Corporation (investment
                                                       banking firm) (2002-
                                                       2003). Formerly,
                                                       Chairman of the Board,
                                                       United Asset Management
                                                       Corporation (a holding
                                                       company owning
                                                       institutional
                                                       investment management
                                                       firms) and Chairman,
                                                       President and Director,
                                                       UAM Funds (mutual
                                                       funds) (1980-2000).
Lynn A. Stout          Trustee(4)      Since 10/16/03  Professor of Law,             195       None
9/14/57                                Three Years     University of
                                                       California at Los
                                                       Angeles School of Law
                                                       (since July 2001).
                                                       Formerly, Professor of
                                                       Law, Georgetown
                                                       University Law Center.


(1) Includes both master and feeder funds in master-feeder structure.
(2) Class I Trustees whose term expires in 2004.
(3) Class II Trustees whose term expires in 2005.
(4) Class III Trustees whose term expires in 2006.


16

TRUSTEES AND OFFICERS

PRINCIPAL OFFICERS WHO ARE NOT TRUSTEES

                                           TERM OF OFFICE
                            POSITION(S)        AND LENGTH
NAME AND DATE OF BIRTH   WITH THE TRUST        OF SERVICE   PRINCIPAL OCCUPATIONS DURING PAST FIVE YEARS
--------------------------------------------------------------------------------------------------------
Thomas E. Faust Jr.      President           Since 8/5/03   Executive Vice President of Eaton Vance,
5/31/58                                                     BMR, EVC and EV. Chief Investment Officer of
                                                            Eaton Vance and BMR and Director of EVC.
                                                            Chief Executive Officer of Belair Capital
                                                            Fund LLC, Belcrest Capital Fund LLC, Belmar
                                                            Capital Fund LLC, Belport Capital Fund LLC
                                                            and Belrose Capital Fund LLC (private
                                                            investment companies sponsored by Eaton
                                                            Vance). Officer of 54 registered investment
                                                            companies managed by Eaton Vance or BMR.
Barbara E. Campbell      Treasurer           Since 8/5/03   Vice President of BMR and Eaton Vance.
6/19/57                                                     Officer of 195 registered investment
                                                            companies managed by Eaton Vance or BMR.
Scott H. Page            Vice President      Since 8/5/03   Vice President of Eaton Vance and BMR.
11/30/59                                                    Officer of 13 registered investment
                                                            companies managed by Eaton Vance or BMR.
Payson F. Swaffield      Vice President      Since 8/5/03   Vice President of Eaton Vance and BMR.
8/13/56                                                     Officer of 13 registered investment
                                                            companies managed by Eaton Vance or BMR.
Michael W. Weilheimer    Vice President      Since 8/5/03   Vice President of Eaton Vance and BMR.
2/11/61                                                     Officer of 10 registered investment
                                                            companies managed by Eaton Vance or BMR.
Craig P. Russ            Vice President    Since 11/17/03   Vice President of Eaton Vance and BMR.
10/30/63                                                    Previously, Vice President-Specialized
                                                            Lending Division, State Street Bank and
                                                            Trust Company (1987-1997). Officer of 1
                                                            registered investment company managed by
                                                            Eaton Vance or BMR.
Alan R. Dynner           Secretary          Since 7/10/03   Vice President, Secretary and Chief Legal
10/10/40                                                    Officer of BMR, Eaton Vance EVD, EV and EVC.
                                                            Officer of 195 registered investment
                                                            companies managed by Eaton Vance or BMR.

The Board of Trustees of the Trust has several standing committees including the Governance Committee, the Audit Committee, and the Special Committee. Each such Committee is comprised of only noninterested Trustees.

The Governance Committee of the Board of Trustees of the Trust is comprised of the noninterested Trustees. Ms. Stout currently serves as chairperson of the Governance Committee. The purpose of the Committee is to undertake a periodic review of, and make recommendations with respect to, the Board's performance; Trustee compensation; appointment of new Trustees; identity, duties and composition of the various Board committees; development and maintenance of the Board's membership, structure and operations; policies and procedures adopted or approved by the Board to


17

TRUSTEES AND OFFICERS

comply with regulatory requirements that relate to fund governance; and any other matters related to fund governance. As of the date of this SAI the Governance Committee has met once.

The Trustees will, when a vacancy exists or is anticipated, consider any nominee for Trustee recommended by a shareholder if such recommendation is submitted to the Trustees in writing and contains sufficient background information concerning the individual to enable a proper judgment to be made as to such individual's qualifications.

Messrs. Reamer (Chair), Hayes, and Park and Ms. Stout are members of the Audit Committee of the Board of Trustees of the Trust. The Board of Trustees has designated Messrs. Park, Hayes, and Reamer, each a noninterested Trustee, as audit committee financial experts. The Audit Committee's functions include (i) the Trust's accounting and financial reporting controls and procedures, the internal controls of certain service providers, as appropriate, and the quality and integrity of the Trust's financial statements and internal audit thereof;
(ii) approving the selection, evaluation and, when appropriate, replacement of the Trust's independent auditors; and (iii) evaluating the qualification, independence, and performance of the Trust's independent auditors. As of the date of this SAI the Audit Committee has met once.

Messrs. Hayes (Chair), Park, Pearlman and Reamer are members of the Special Committee of the Board of Trustees of the Trust. 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 Trust, including investment advisory, 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 Trust. As of the date of this SAI the Special Committee has met once.

When considering approval of the Advisory Agreement between the Trust and the Adviser, the Special Committee considered, among other things, the following:

+ A report comparing the fees and expenses of the Trust;

+ Information on the relevant peer group(s) of funds;

+ The economic outlook and the general investment outlook in the relevant investment markets;

+ Eaton Vance's results and financial condition and the overall organization of the Adviser;

+ Arrangements regarding the distribution of Trust shares;

+ The procedures used to determine the fair value of the Trust's assets;

+ Eaton Vance's management of the relationship with the custodian, subcustodians and fund accountants;

+ The resources devoted to Eaton Vance's compliance efforts undertaken on behalf of the funds it manages and the record of compliance with the investment policies and restrictions and with policies on personal securities transactions;

+ The quality, nature, cost and character of the administrative and other non-investment management services provided by Eaton Vance and its affiliates;

+ Investment management staffing; and

+ Operating expenses (including transfer agency expenses) to be paid to third parties.

In evaluating the Advisory Agreement between the Trust and Eaton Vance, the Special Committee reviewed material furnished by Eaton Vance at the initial Board meeting held on October 20, 2003, including the above referenced considerations and information relating to the education, experience


18

TRUSTEES AND OFFICERS

and number of investment professionals and other personnel who would provide services under the Advisory Agreement. The Special Committee also took into account the time and attention to be devoted by senior management to the Trust and the other funds in the complex. The Special Committee evaluated the level of skill required to manage the Trust and concluded that the human resources available at Eaton Vance were appropriate to fulfill effectively the duties of the Adviser on behalf of the Trust. The Special Committee also considered the business reputation of the Adviser, its financial resources and professional liability insurance coverage and concluded that Eaton Vance would be able to meet any reasonably foreseeable obligations under the Advisory Agreement.

The Special Committee received information concerning the investment philosophy and investment process to be applied by Eaton Vance in managing the Trust. In this regard, the Special Committee considered Eaton Vance's in-house research capabilities as well as other resources available to Eaton Vance personnel, including research services that may be available to Eaton Vance as a result of securities transactions effected for the Trust and other investment advisory clients. The Special Committee concluded that Eaton Vance's investment process, research capabilities and philosophy were well suited to the Trust, given the Trust's investment objective and policies.

In addition to the factors mentioned above, the Special Committee also reviewed the level of the Adviser's profits in respect of the management of the Eaton Vance funds, including the Trust. The noninterested Trustees considered the profits realized by Eaton Vance and its affiliates in connection with the operation of the Trust. The noninterested Trustees also considered Eaton Vance's profit margins in comparison with available industry data.

The Special Committee did not consider any single factor as controlling in determining whether or not to approve the Advisory Agreement. Nor are the items described herein all encompassing of the matters considered by the noninterested Trustees. In assessing the information provided by Eaton Vance and its affiliates, the Special Committee also took into consideration the benefits to shareholders of investing in a fund that is part of a large family of funds, which provides a large variety of shareholder services.

Based on their consideration of all factors that it deemed material and assisted by the advice of its independent counsel, the Special Committee concluded that the approval of the Advisory Agreement, including the fee structure (described herein) is in the interests of shareholders.

SHARE OWNERSHIP
The following table shows the dollar range of equity securities beneficially owned by each Trustee in the Trust and all Eaton Vance Trusts overseen by the Trustee as of December 31, 2003.

                                                                  AGGREGATE DOLLAR RANGE OF EQUITY
                                             DOLLAR RANGE OF    SECURITIES OWNED IN ALL REGISTERED
                                           EQUITY SECURITIES      FUNDS OVERSEEN BY TRUSTEE IN THE
NAME OF TRUSTEE                           OWNED IN THE TRUST              EATON VANCE FUND COMPLEX
--------------------------------------------------------------------------------------------------
INTERESTED TRUSTEES
  Jessica M. Bibliowicz.................         None                    $10,001--$50,000
  James B. Hawkes.......................         None                     Over $100,000
NONINTERESTED TRUSTEES
  Samuel L. Hayes, III..................         None                     Over $100,000
  William H. Park.......................         None                     Over $100,000*
  Ronald A. Pearlman....................         None                     Over $100,000
  Norton H. Reamer......................         None                     Over $100,000
  Lynn A. Stout.........................         None                   $50,001--$100,000*
* Includes shares held in Trustee's deferred compensation plan.


19

TRUSTEES AND OFFICERS

As of December 31, 2003, no noninterested Trustee or any of their immediate family members owned beneficially or of record any class of securities of EVC, EVD or any person controlling, controlled by or under common control with EVC or EVD.

During the calendar years ended December 31, 2002 and December 31, 2003, no noninterested Trustee (or their immediate family members) had:

1. Any direct or indirect interest in Eaton Vance, EVC, EVD or any person controlling, controlled by or under common control with EVC or EVD;

2. Any direct or indirect material interest in any transaction or series of similar transactions with (i) the Trust or any Fund; (ii) another fund managed by EVC, distributed by EVD or a person controlling, controlled by or under common control with EVC or EVD; (iii) EVC or EVD; (iv) a person controlling, controlled by or under common control with EVC or EVD; or (v) an officer of any of the above; or

3. Any direct or indirect relationship with (i) the Trust or any Fund; (ii) another fund managed by EVC, distributed by EVD or a person controlling, controlled by or under common control with EVC or EVD; (iii) EVC or EVD;
(iv) a person controlling, controlled by or under common control with EVC or EVD; or (v) an officer of any of the above.

During the calendar years ended December 31, 2002 and December 31, 2003, no officer of EVC, EVD or any person controlling, controlled by or under common control with EVC or EVD served on the Board of Directors of a company where a noninterested Trustee of the Trust or any of their immediate family members served as an officer.

Trustees of the Trust who are not affiliated with the Adviser may elect to defer receipt of all or a percentage of their annual fees in accordance with the terms of a Trustees Deferred Compensation Plan (the "Trustees' Plan"). Under the Trustees' Plan, an eligible Trustee may elect to have his deferred fees invested by the Trust 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 Trust's assets, liabilities, and net income per share, and will not obligate the Trust to retain the services of any Trustee or obligate the Trust to pay any particular level of compensation to the Trustee. The Trust does not have a retirement plan for its Trustees.

The fees and expenses of the Trustees of the Trust are paid by the Trust. (A Trustee of the Trust who is a member of the Eaton Vance organization receives no compensation from the Trust.) During the Trust's fiscal year ending October 31, 2004, it is anticipated that the Trustees of the Trust will earn the following compensation in their capacities as Trustees. For the year ended December 31, 2003, the Trustees earned the compensation set forth below in their capacities as Trustees from the funds in the Eaton Vance fund complex(1).

                         JESSICA M.   SAMUEL L.    WILLIAM H.     RONALD A.   NORTON H.   LYNN A.
SOURCE OF COMPENSATION   BIBLIOWICZ   HAYES, III      PARK        PEARLMAN     REAMER      STOUT
--------------------------------------------------------------------------------------------------
Trust*.................   $  1,000     $  1,000     $  1,000      $  1,000    $  1,000    $  1,000
Fund Complex...........   $160,000     $180,000     $160,000(4)(2) $160,000(4) $170,000   $160,000(3)


* Estimated

(1) As of January 12, 2004, the Eaton Vance fund complex consisted of 196 registered investment companies or series thereof.

(2) Includes an estimated $33,786 of deferred compensation.

(3) Includes $16,000 of deferred compensation.


20

TRUSTEES AND OFFICERS

(4) Messrs. Park and Pearlman were appointed as Trustees in June of 2003. The Fund complex compensation figures listed for each of Mr. Park and Mr. Pearlman are estimated for the calendar year ended December 31, 2003 based on amounts they would have received if they had been Trustees for the full calendar year.

PROXY VOTING POLICY. The Trust is subject to the Eaton Vance Funds Proxy Voting Policy and Procedures (the "Fund Policy"), pursuant to which the Trustees have delegated proxy voting responsibility to the Adviser and adopted the Adviser's proxy voting policies and procedures (the "Policies"), which are described below. The Trustees will review the Trust's proxy voting records from time to time and will annually consider approving the Policies for the upcoming year. In the event that a conflict of interest arises between the Trust's shareholders and the Adviser or any of its affiliates or any affiliate of the Trust, the Adviser will generally refrain from voting the proxies related to the companies giving rise to such conflict until it consults with the Board of the Trust except as contemplated under the Fund Policy. The Board's Special Committee will instruct the Adviser on the appropriate course of action.

The Policies are designed to promote accountability of a company's management to its shareholders and to align the interests of management with those shareholders. The Adviser will generally support company management on proposals relating to environmental and social policy issues, on matters regarding the state of organization of the company and routine matters related to corporate administration which are not expected to have a significant economic impact on the company or its shareholders. On all other matters, the Adviser will review each matter on a case-by-case basis and reserves the right to deviate from the Policies' guidelines when it believes the situation warrants such a deviation. The Policies include voting guidelines for matters relating to, among other things, the election of directors, approval of independent auditors, executive compensation, corporate structure and anti-takeover defenses. The Adviser may abstain from voting from time to time where it determines that the costs associated with voting a proxy outweigh the benefits derived from exercising the right to vote.

In addition, the Adviser will monitor situations that may result in a conflict of interest between the Trust's shareholders and the Adviser or any of its affiliates or any affiliate of the Trust by maintaining a list of significant existing and prospective corporate clients. The Adviser's personnel responsible for reviewing and voting proxies on behalf of the Trust will report any proxy received or expected to be received from a company included on that list to members of senior management of the Adviser identified in the Policies. Such members of senior management will determine if a conflict exists. If a conflict does exist, the proxy will either be voted strictly in accordance with the Policies or the Adviser will seek instruction on how to vote from the Special Committee. Effective August 31, 2004, information on how the Trust voted proxies relating to portfolio securities during the 12 month period ended June 30, 2004 will be available (1) without charge, upon request, by calling 1-800-262-1122, and (2) on the Securities and Exchange Commission's website at http://www.sec.gov.

Investment advisory and other services

Eaton Vance, its affiliates and its predecessor companies have been managing assets of individuals and institutions since 1924 and of investment companies since 1931. They maintain a large staff of experienced fixed-income, senior loan and equity investment professionals to service the needs of their clients. The fixed-income group 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 senior loan group focuses on senior floating rate loans, unsecured loans and other floating rate debt securities such as notes, bonds and asset backed securities. The equity group covers stocks ranging from blue chip to emerging growth companies. Eaton Vance and its affiliates act as adviser to a family


21

INVESTMENT ADVISORY AND OTHER SERVICES

of mutual funds, and individual and various institutional accounts, including corporations, hospitals, retirement plans, universities, foundations and trusts.

The Trust will be responsible for all of its costs and expenses not expressly stated to be payable by Eaton Vance under the Advisory Agreement or Administration Agreement. Such costs and expenses to be borne by the Trust 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, stock exchange listing fees and governmental fees; rating agency fees and preferred share remarketing expenses; expenses of reports to shareholders, proxy statements and other expenses of shareholders' meetings; insurance premiums; printing and mailing expenses; interest, taxes and corporate fees; legal and accounting expenses; compensation and expenses of Trustees not affiliated with Eaton Vance; expenses of conducting repurchase offers for the purpose of repurchasing Trust shares; and investment advisory and administration fees. The Trust will also bear expenses incurred in connection with any litigation in which the Trust is a party and any legal obligation to indemnify its officers and Trustees with respect thereto, to the extent not covered by insurance.

The Advisory Agreement with the Adviser continues in effect to October 20, 2005 and from year to year so long as such continuance is approved at least annually
(i) by the vote of a majority of the noninterested Trustees of the Trust or of the Adviser cast in person at a meeting specifically called for the purpose of voting on such approval and (ii) by the Board of Trustees of the Trust or by vote of a majority of the outstanding interests of the Trust. The Trust's Administration Agreement continues in effect from year to year so long as such continuance is approved at least annually by the vote of a majority of the Trust's Trustees. Each agreement may be terminated at any time without penalty on sixty (60) days' written notice by the Trustees of the Trust or Eaton Vance, as applicable, or by vote of the majority of the outstanding shares of the Trust. 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 Trust under such agreements on the part of Eaton Vance, Eaton Vance shall not be liable to the Trust for any loss incurred, to the extent not covered by insurance.

Eaton Vance is a business trust organized under Massachusetts law. EV serves as trustee of Eaton Vance. Eaton Vance and EV are subsidiaries of EVC, a Maryland corporation and publicly-held holding company. EVC through its subsidiaries and affiliates engages primarily in investment management, administration and marketing activities. The Directors of EVC are James B. Hawkes, John G. L. Cabot, Thomas E. Faust Jr., Leo I. Higdon, Jr., John M. Nelson, Vincent M. O'Reilly and Ralph Z. Sorenson. All shares of the outstanding Voting Common Stock of EVC are deposited in a voting trust, the voting trustees of which are Messrs. James B. Hawkes, Jeffrey P. Beale, Alan R. Dynner, Thomas E. Faust, Jr., Thomas J. Fetter, Scott H. Page, Duncan W. Richardson, William M. Steul, Payson F. Swaffield, Michael W. Weilheimer and Wharton P. Whitaker (all of whom are officers of Eaton Vance or its affiliates). 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 and its affiliates who are also officers, or officers and Directors of EVC and EV. As indicated under "Trustees and Officers", all of the officers of the Trust (as well as Mr. Hawkes who is also a Trustee) hold positions in the Eaton Vance organization.

EVC and its affiliates and their officers and employees from time to time have transactions with various banks, including the custodian of the Trust, 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 Trust and such banks.


22

INVESTMENT ADVISORY AND OTHER SERVICES

INVESTMENT ADVISORY SERVICES
Under the general supervision of the Trust's Board of Trustees, Eaton Vance will carry out the investment and reinvestment of the assets of the Trust, will furnish continuously an investment program with respect to the Trust, will determine which securities should be purchased, sold or exchanged, and will implement such determinations. Eaton Vance will furnish to the Trust investment advice and provide related office facilities and personnel for servicing the investments of the Trust. Eaton Vance will compensate all Trustees and officers of the Trust who are members of the Eaton Vance organization and who render investment services to the Trust, and will also compensate all other Eaton Vance personnel who provide research and investment services to the Trust.

ADMINISTRATIVE SERVICES
Under the Administration Agreement, Eaton Vance is responsible for managing the business affairs of the Trust, subject to the supervision of the Trust's Board of Trustees. Eaton Vance will furnish to the Trust all office facilities, equipment and personnel for administering the affairs of the Trust. Eaton Vance will compensate all Trustees and officers of the Trust who are members of the Eaton Vance organization and who render executive and administrative services to the Trust, and will also compensate all other Eaton Vance personnel who perform management and administrative services for the Trust. 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 Trust's custodian and transfer agent, providing assistance in connection with the Trustees and shareholders' meetings, providing services in connection with quarterly repurchase offers and other administrative services necessary to conduct the Trust's business.

CODE OF ETHICS
The Adviser and the Trust have adopted a Code of Ethics governing personal securities transactions. Under the Code of Ethics, Eaton Vance employees may purchase and sell securities (including securities held or eligible for purchase by the Trust) subject to certain pre-clearance and reporting requirements and other procedures.

The Code can be reviewed and copied at the Securities and Exchange Commission's public reference room in Washington, DC (call 1-202-942-8090 for information on the operation of the public reference room); on the EDGAR Database on the SEC's Internet site (http://www.sec.gov); or, upon payment of copying fees, by writing the SEC's public reference section, Washington, DC 20549-0102, or by electronic mail at publicinfo@sec.gov.

Determination of net asset value

The net asset value per share of the Trust is determined no less frequently than daily, generally on each day of the week that 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 Trust's net asset value per share is determined by IBT, in the manner authorized by the Trustees of the Trust. Net asset value is computed by dividing the value of the Trust's total assets, less its liabilities by the number of shares outstanding.

The Adviser uses an independent pricing service to value most loans, and other debt securities at their market value. The Adviser may use the fair value method to value loans or other securities if market quotations for them are not readily available or are deemed unreliable, or if events occurring after the close of a securities market and before the Trust values its assets would materially affect net asset value. A security that is fair valued may be valued at a price higher or lower than actual market quotations or the value determined by other funds using their own fair valuation procedures.


23

DETERMINATION OF NET ASSET VALUE

The Trustees have approved and monitor the procedures under which Senior Loans are valued. The Adviser and the Valuation Committee may implement new pricing methodologies or expand mark-to-market valuation of Senior Loans in the future, which may result in a change in the Trust's net asset value per share. The Trust's net asset value per share will also be affected by fair value pricing decisions and by changes in the market for Senior Loans. In determining the fair value of a Senior Loan, the Adviser will consider relevant factors, data, and information, including: (i) the characteristics of and fundamental analytical data relating to the Senior Loan, including the cost, size, current interest rate, period until next interest rate reset, maturity and base lending rate of the Senior Loan, the terms and conditions of the Senior Loan and any related agreements, and the position of the Senior Loan in the Borrower's debt structure; (ii) the nature, adequacy and value of the collateral, including the Trust's rights, remedies and interests with respect to the collateral; (iii) the creditworthiness of the Borrower, based on 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 Senior Loan, including price quotations for and trading in the Senior Loan and interests in similar Senior Loans and the market environment and investor attitudes towards the Senior Loan and interests in similar Senior Loans; (v) the experience, reputation, stability and financial condition of the Agent and any intermediate participants in the Senior Loan; and (vi) general economic and market conditions affecting the fair value of the Senior Loan. The fair value of each Senior Loan is reviewed and approved by the Adviser's Valuation Committee and the Trust's Trustees.

Non-loan holdings (other than debt securities, including short-term obligations) may be valued on the basis of prices furnished by one or more pricing services that 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. Marketable securities listed on the NASDAQ National Market System are valued at the NASDAQ official closing price. The value of interest rate swaps will be based upon a dealer quotation.

Debt securities for which the over-the-counter market is the primary market are normally valued on the basis of prices furnished by one or more pricing services at the mean between the latest available bid and asked prices. OTC options are valued at the mean between the bid and asked prices provided by dealers. Financial futures contracts listed on commodity exchanges and exchange-traded options are valued at closing settlement prices. Short-term obligations having remaining maturities of less than 60 days are valued at amortized cost, which approximates value, unless the Trustees determine that under particular circumstances such method does not result in fair value. As authorized by the Trustees, debt securities (other than short-term obligations) may be valued on the basis of valuations furnished by a pricing service that determines valuations based upon market transactions for normal, institutional-size trading units of such securities. Securities for which there is no such quotation or valuation and all other assets are valued at fair value as determined in good faith by or at the direction of the Trust's Trustees.

Generally, trading in the foreign securities owned by the Trust is substantially completed each day at various times prior to the close of the Exchange. The values of these securities used in determining the net asset value of the Trust generally are computed as of such times. Occasionally, events affecting the value of foreign securities may occur between such times and the close of the Exchange, which will not be reflected in the computation of the Trust's net asset value (unless the Trust deems that such events would materially affect its net asset value, in which case an adjustment would be made and reflected in such computation). The Trust may rely on an independent fair valuation service in making any such


24

DETERMINATION OF NET ASSET VALUE

adjustment. Foreign securities and currency, if any, held by the Trust will be valued in U.S. dollars; such values will be computed by the custodian based on foreign currency exchange rate quotations supplied by an independent quotation service.

Portfolio trading

Decisions concerning the execution of portfolio Senior Loan and other security transactions, including the selection of the market and the executing firm, are made by the Adviser. The Adviser is also responsible for the execution of transactions for all other accounts managed by it. The Adviser places the portfolio security transactions of the Trust and of all other accounts managed by it for execution with many firms. The Adviser uses its best efforts to obtain execution of portfolio security transactions at prices that are advantageous to the Trust and at reasonably competitive spreads or (when a disclosed commission is being charged) at reasonably competitive commission rates. In seeking such execution, the Adviser will use its best judgment in evaluating the terms of a transaction, and will give consideration to various relevant factors, including without limitation the full range and quality of the executing firm's services, the value of the brokerage and research services provided, the responsiveness of the firm to the Adviser, the size and type of the transaction, the nature and character of the market for the security, the confidentiality, speed and certainty of effective execution required for the transaction, the general execution and operational capabilities of the executing firm, the reputation, reliability, experience and financial condition of the firm, the value and quality of the services rendered by the firm in this and other transactions, and the reasonableness of the spread or commission, if any.

The Trust will acquire Senior Loans from major international banks, selected domestic regional banks, insurance companies, finance companies and other financial institutions. In selecting financial institutions from which Senior Loans may be acquired, the Adviser 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 Senior Loans that they have sold, they may act as principal or on an agency basis in connection with their sale by the Trust.

Other fixed income obligations that may be purchased and sold by the Trust 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. The Trust may also purchase fixed income and other securities from underwriters, the cost of which may include undisclosed fees and concessions to the underwriters.

Transactions on stock exchanges and other agency transactions involve the payment of negotiated brokerage commissions. Such commissions vary among different broker-dealer firms, and a particular broker-dealer may charge different commissions according to such factors as the difficulty and size of the transaction and the volume of business done with such broker-dealer. Transactions in foreign securities often involve the payment of brokerage commissions, which may be higher than those in the United States. There is generally no stated commission in the case of securities traded in the over-the- counter markets, but the price paid or received usually includes an undisclosed dealer markup or markdown.

Although spreads or commissions paid on portfolio security transactions will, in the judgment of the Adviser, be reasonable in relation to the value of the services provided, commissions exceeding those that another firm might charge may be paid to broker-dealers who were selected to execute transactions on behalf of the Adviser's clients in part for providing brokerage and research services to the Adviser.

As authorized in Section 28(e) of the Securities Exchange Act of 1934, as amended, a broker or dealer who executes a portfolio transaction on behalf of the Trust may receive a commission that is in excess


25

PORTFOLIO TRADING

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

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

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


26

PORTFOLIO TRADING

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

Securities considered as investments for the Trust may also be appropriate for other investment accounts managed by the Adviser or its affiliates. Whenever decisions are made to buy or sell securities by the Trust and one or more of such other accounts simultaneously, the Adviser 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 Trust 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 the Adviser 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 Trust from time to time, it is the opinion of the Trustees of the Trust that the benefits from the Adviser's organization outweigh any disadvantage that may arise from exposure to simultaneous transactions.

Taxes

The following discussion of federal income tax matters is based on the advice of Kirkpatrick & Lockhart LLP, counsel to the Trust. The Trust intends to elect to be treated and to qualify each year as a regulated investment company ("RIC") under the Internal Revenue Code of 1986, as amended (the "Code"). Accordingly, the Trust intends to satisfy certain requirements relating to sources of its income and diversification of its assets and to distribute substantially all of its net income and net short-term and long-term capital gains (after reduction by any available capital loss carryforwards) in accordance with the timing requirements imposed by the Code, so as to maintain its RIC status and to avoid paying any federal income or excise tax. To the extent it qualifies for treatment as a RIC and satisfies the above-mentioned distribution requirements, the Trust will not be subject to federal income tax on income paid to its shareholders in the form of dividends or capital gain distributions.

In order to avoid incurring a nondeductible 4% federal excise tax obligation, the Code requires that the Trust distribute (or be deemed to have distributed) by December 31 of each calendar year an amount at least equal to the sum of (i) 98% of its ordinary income for such year and (ii) 98% of its capital gain net income (which is the excess of its realized net long-term capital gain over its realized net short-term capital loss), generally computed on the basis of the one-year period ending on October 31 of such year, after reduction by any available capital loss carryforwards, plus 100% of any ordinary income and capital gain net income from the prior year (as previously computed) that were not paid out during such year and on which the Trust paid no federal income tax. Under current law, provided that the Trust qualifies as a RIC for federal income tax purposes, the Trust should not be liable for any income, corporate excise or franchise tax in The Commonwealth of Massachusetts.


27

TAXES

If the Trust does not qualify as a RIC for any taxable year, the Trust's taxable income will be subject to corporate income taxes, and all distributions from earnings and profits, including distributions of net capital gain (if any), will be taxable to the shareholder as ordinary income. In addition, in order to requalify for taxation as a RIC, the Trust may be required to recognize unrealized gains, pay substantial taxes and interest, and make certain distributions.

The Trust's investment in zero coupon and certain other securities will cause it to realize income prior to the receipt of cash payments with respect to these securities. Such income will be accrued daily by the Trust and, in order to avoid a tax payable by the Trust, the Trust may be required to liquidate securities that it might otherwise have continued to hold in order to generate cash so that the Trust may make required distributions to its shareholders.

Investments in lower rated or unrated securities may present special tax issues for the Trust to the extent that the issuers of these securities default on their obligations pertaining thereto. The Code is not entirely clear regarding the federal income tax consequences of the Trust's taking certain positions in connection with ownership of such distressed securities.

Any recognized gain or income attributable to market discount on long-term debt obligations (i.e., on obligations with a term of more than one year except to the extent of a portion of the discount attributable to original issue discount) purchased by the Trust is taxable as ordinary income. A long-term debt obligation is generally treated as acquired at a market discount if purchased after its original issue at a price less than (i) the stated principal amount payable at maturity, in the case of an obligation that does not have original issue discount or (ii) in the case of an obligation that does have original issue discount, the sum of the issue price and any original issue discount that accrued before the obligation was purchased, subject to a de minimis exclusion.

The Trust's investments in options, futures contracts, hedging transactions, forward contracts (to the extent permitted) and certain other transactions will be subject to special tax rules (including mark-to-market, constructive sale, straddle, wash sale, short sale and other rules), the effect of which may be to accelerate income to the Trust, defer Trust losses, cause adjustments in the holding periods of securities held by the Trust, convert capital gain into ordinary income and convert short-term capital losses into long-term capital losses. These rules could therefore affect the amount, timing and character of distributions to shareholders. The Trust may be required to limit its activities in options and futures contracts in order to enable it to maintain its RIC status.

Any loss realized upon the sale or exchange of Trust shares with a holding period of 6 months or less will be treated as a long-term capital loss to the extent of any capital gain distributions received with respect to such shares. In addition, all or a portion of a loss realized on a redemption or other disposition of Trust shares may be disallowed under "wash sale" rules to the extent the shareholder acquires other shares of the same Trust (whether through the reinvestment of distributions or otherwise) within the period beginning 30 days before the redemption of the loss shares and ending 30 days after such date. Any disallowed loss will result in an adjustment to the shareholder's tax basis in some or all of the other shares acquired.

Sales charges paid upon a purchase of shares cannot be taken into account for purposes of determining gain or loss on a sale of the shares before the 91st day after their purchase to the extent a sales charge is reduced or eliminated in a subsequent acquisition of shares of the Trust (or of another fund) pursuant to the reinvestment or exchange privilege. Any disregarded amounts will result in an adjustment to the shareholder's tax basis in some or all of any other shares acquired.

Dividends and distributions on the Trust's shares are generally subject to federal income tax as described herein to the extent they do not exceed the Trust's realized income and gains, even though such dividends and distributions may economically represent a return of a particular shareholder's


28

TAXES

investment. Such distributions are likely to occur in respect of shares purchased at a time when the Trust's net asset value reflects gains that are either unrealized, or realized but not distributed. Such realized gains may be required to be distributed even when the Trust's net asset value also reflects unrealized losses. Certain distributions declared in October, November or December and paid in the following January will be taxed to shareholders as if received on December 31 of the year in which they were declared. In addition, certain other distributions made after the close of a taxable year of the Trust may be "spilled back" and treated as paid by the Trust (except for purposes of the nondeductible federal 4% excise tax) during such taxable year. In such case, shareholders will be treated as having received such dividends in the taxable year in which the distributions were actually made. Dividends paid out of the Trust's investment company taxable income are generally taxable to a shareholder as ordinary income to the extent of the Trust's earnings and profits. Dividends with respect to the shares generally will not constitute "qualified dividends" for federal income tax purposes and thus will not be eligible for the new favorable long-term capital gains tax rates.

Amounts paid by the Trust to individuals and certain other shareholders who have not provided the Trust with their correct taxpayer identification number ("TIN") and certain certifications required by the Internal Revenue Service (the "IRS") as well as shareholders with respect to whom the Trust has received certain information from the IRS or a broker may be subject to "backup" withholding of federal income tax arising from the Trust's taxable dividends and other distributions as well as the gross proceeds of sales of shares, at a rate of up to 28% for amounts paid during 2004. An individual's TIN is generally his or her social security number. Backup withholding is not an additional tax. Any amounts withheld under the backup withholding rules from payments made to a shareholder may be refunded or credited against such shareholder's U.S. federal income tax liability, if any, provided that the required information is furnished to the IRS.

The foregoing discussion does not address the special tax rules applicable to certain classes of investors, such as tax-exempt entities, foreign investors, 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, and, where applicable, foreign tax consequences of investing in the Trust.

The Trust will inform shareholders of the source and tax status of all distributions promptly after the close of each calendar year. The IRS has taken the position that if a RIC has more than one class of shares, it may designate distributions made to each class in any year as consisting of no more than that class's proportionate share of particular types of income for that year, including ordinary income and net capital gain. A class's proportionate share of a particular type of income for a year is determined according to the percentage of total dividends paid by the RIC during that year to the class. Accordingly, the Trust intends to designate a portion of its distributions in capital gain dividends in accordance with the IRS position.

Although the matter is not free from doubt, due to the absence of direct regulatory or judicial authority, in the opinion of Kirkpatrick & Lockhart LLP, counsel to the Trust, under current law the manner in which the Trust intends to allocate items of ordinary income and net capital gain among the Trust's Common Shares and Auction Preferred Shares will be respected for federal income tax purposes. It is possible that the IRS could disagree with counsel's opinion and attempt to reallocate the Trust's net capital gain or other taxable income.

STATE AND LOCAL TAXES
Shareholders should consult their own tax advisers as to the state or local tax consequences of investing in the Trust.


29

Other information

The Trust is an organization of the type commonly known as a "Massachusetts business trust." Under Massachusetts law, shareholders of such a trust may, in certain circumstances, be held personally liable as partners for the obligations of the trust. The Declaration of Trust contains an express disclaimer of shareholder liability in connection with the Trust property or the acts, obligations or affairs of the Trust. The Declaration of Trust also provides for indemnification out of the Trust 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 Trust itself is unable to meet its obligations. The Trust has been advised by its counsel that the risk of any shareholder incurring any liability for the obligations of the Trust is remote.

The 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 Trust or its shareholders to which he or she 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 or her 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.

The Declaration of Trust provides that no person shall serve as a Trustee if shareholders holding two-thirds of the outstanding shares have removed him from that office either by a written declaration filed with the Trust's custodian or by votes cast at a meeting called for that purpose. The Declaration of Trust further provides that the Trustees of the Trust 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.

The Trust's Prospectus and this SAI do not contain all of the information set forth in the Registration Statement that the Trust has filed with the SEC. The complete Registration Statement may be obtained from the SEC upon payment of the fee prescribed by its Rules and Regulations.

Independent auditors

Deloitte & Touche LLP, Boston, Massachusetts are the independent auditors for the Trust, providing audit services, tax return preparation, and assistance and consultation with respect to the preparation of filings with the SEC.


30


INDEPENDENT AUDITORS' REPORT

To the Trustees and Shareholder of
Eaton Vance Senior Floating-Rate Trust:

We have audited the accompanying statement of assets and liabilities of Eaton Vance Senior Floating-Rate Trust (the "Trust") as of November 12, 2003 and the related statement of operations for the period from August 5, 2003 (date of organization) through November 12, 2003. These financial statements are the responsibility of the Trust's management. Our responsibility is to express an opinion on these financial statements based on our audit.

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

In our opinion, the financial statements referred to above present fairly, in all material respects, the financial position of Eaton Vance Senior Floating-Rate Trust as of November 12, 2003, and the result of its operations for the period from August 5, 2003 (date of organization) through November 12, 2003 in conformity with accounting principles generally accepted in the United States of America.

Deloitte & Touche LLP
Boston, Massachusetts

November 13, 2003


31


Eaton Vance Senior Floating-Rate Trust

STATEMENT OF ASSETS AND LIABILITIES
NOVEMBER 12, 2003

ASSETS
  Cash......................................................  $100,000
  Offering costs............................................   500,000
  Receivable from Adviser...................................     7,500
                                                              --------
  Total assets..............................................  $607,500
                                                              ========
LIABILITIES
  Accrued offering costs....................................  $500,000
  Accrued organizational costs..............................     7,500
                                                              --------
  Total liabilities.........................................  $507,500
                                                              ========
Net assets applicable to 5,000 common shares of beneficial
  interest issued and outstanding...........................  $100,000
                                                              ========
NET ASSET VALUE AND OFFERING PRICE PER SHARE................  $  20.00
                                                              ========

STATEMENT OF OPERATIONS
PERIOD FROM AUGUST 5, 2003 (DATE OF ORGANIZATION) THROUGH NOVEMBER 12, 2003

INVESTMENT INCOME...........................................  $     --
                                                              --------
EXPENSES
  Organization costs........................................  $  7,500
  Expense reimbursement.....................................    (7,500)
                                                              --------
     Net expenses...........................................  $     --
                                                              --------
NET INVESTMENT INCOME.......................................  $     --
                                                              ========

See notes to financial statements.


32

Notes to financial statements

NOTE 1: ORGANIZATION

The Trust was organized as a Massachusetts business trust on August 5, 2003, and has been inactive since that date except for matters relating to its organization and registration as a diversified, closed-end management investment company under the Investment Company Act of 1940, as amended, and the Securities Act of 1933, as amended, and the sale of 5,000 common shares to Eaton Vance Management, the Trust's Investment Adviser.

Eaton Vance Management, or an affiliate, has agreed to reimburse all organizational costs, estimated at approximately $7,500.

Eaton Vance Management, or an affiliate, has agreed to pay all offering costs (other than sales loads) that exceed $0.04 per common share.

The Trust's investment objective is to provide a high level of current income. The Trust may, as a secondary objective, also seek preservation of capital to the extent consistent with its primary goal of high current income.

NOTE 2: ACCOUNTING POLICIES

The Trust's financial statements are prepared in accordance with accounting principles generally accepted in the United States of America which require the use of management estimates. Actual results may differ from those estimates.

The Trust's share of offering costs will be recorded within paid in capital as a reduction of the proceeds from the sale of common shares upon the commencement of Trust operations. The offering costs reflected above assume the sale of 12,500,000 common shares.

NOTE 3: INVESTMENT MANAGEMENT AGREEMENT

Pursuant to an investment advisory agreement between the Adviser and the Trust, the Trust has agreed to pay an investment advisory fee, payable on a monthly basis, at an annual rate of 0.75% of the average daily gross assets of the Trust. Gross assets of the Trust shall be calculated by deducting accrued liabilities of the Trust not including the amount of any preferred shares outstanding or the principal amount of any indebtedness for money borrowed.

In addition, Eaton Vance has contractually agreed to reimburse the Trust for fees and other expenses in the amount of 0.20% of the average daily gross assets for the first 5 full years of the Trust's operations, 0.15% of average weekly gross assets in year 6, 0.10% in year 7 and 0.05% in year 8. This reimbursement is exclusive of the Trust's organizational and offering costs.

NOTE 4: FEDERAL INCOME TAXES

The Trust intends to comply with the requirements of the Internal Revenue Code applicable to regulated investment companies and to distribute all of its taxable income, including any net realized gain on investments.


33

Portfolio of investments (unaudited) as of December 31, 2003

SENIOR, FLOATING RATE INTERESTS--54.4%(1)

                                                               PRINCIPAL
                BORROWER/TRANCHE DESCRIPTION                     AMOUNT         VALUE
------------------------------------------------------------------------------------------
AEROSPACE & DEFENSE--0.1%
DRS Technologies, Inc., Term Loan, Maturing November 4,
  2010......................................................      748,125          758,528
                                                                            --------------
                                                                            $      758,528
                                                                            ==============
AUTOMOBILE--3.8%
Accuride Corp., Term Loan, Maturing June 13, 2007...........    8,000,000        8,080,000
Collins & Aikman, Term Loan, Maturing December 31, 2005.....      997,472          998,470
HLI Operating Co., Inc., Term Loan, Maturing June 3, 2009...    7,000,000        7,109,375
Keystone Automotive Operations, Inc., Term Loan, Maturing
  October 30, 2009..........................................    4,000,000        4,055,000
Tenneco Automotive,
  Term Loan, Maturing December 12, 2009.....................    2,758,621        2,795,401
  Term Loan, Maturing December 12, 2010.....................    1,241,379        1,257,931
                                                                            --------------
                                                                            $   24,296,177
                                                                            ==============
BEVERAGE, FOOD AND TOBACCO--4.9%
Dean Foods Co., Term Loan, Maturing July 15, 2008...........    5,662,582        5,723,042
Dr. Pepper/Seven Up Bottling Group, Inc., Term Loan,
  Maturing December 19, 2010................................    1,650,000        1,668,906
DS Waters Enterprises, L.P., Term Loan, Maturing November 7,
  2009......................................................    3,500,000        3,553,959
General Nutrition Centers, Inc., Term Loan, Maturing
  December 5, 2009..........................................    4,000,000        4,041,252
Merisant Co., Term Loan, Maturing January 31, 2010..........    1,834,951        1,853,875
Michael Foods, Inc.,
  Term Loan, Maturing November 20, 2010.....................    2,300,000        2,334,978
  Term Loan, Maturing November 20, 2011.....................    6,000,000        6,127,500
Seminis Vegetable Seeds, Inc., Term Loan, Maturing September
  30, 2009..................................................    2,992,500        3,031,777
Southern Wine & Spirits of America, Inc., Term Loan,
  Maturing June 28, 2008....................................    2,493,750        2,519,727
                                                                            --------------
                                                                            $   30,855,016
                                                                            ==============
BROADCASTING & ENTERTAINMENT--6.1%
Charter Communications Operating, LLC, Term Loan, Maturing
  March 18, 2008............................................   14,513,071       14,067,708
DirectTV Holdings, LLC, Term Loan, Maturing March 6, 2010...    2,000,000        2,013,626
Emmis Communication Corp., Term Loan, Maturing August 31,
  2009......................................................    3,000,000        3,039,582
Insight Midwest Holdings, LLC,
  Term Loan, Maturing December 31, 2009.....................    2,000,000        2,008,750
  Term Loan, Maturing December 31, 2009.....................    3,500,000        3,515,040


34

PORTFOLIO OF INVESTMENTS (UNAUDITED)

                                                               PRINCIPAL
                BORROWER/TRANCHE DESCRIPTION                     AMOUNT         VALUE
------------------------------------------------------------------------------------------
Lions Gate Entertainment, Inc., Term Loan, Maturing December
  31, 2008..................................................    4,000,000        4,010,000
MCC Iowa, LLC, Term Loan, Maturing September 30, 2010.......    4,250,000        4,276,269
PanAmSat Corp., Term Loan, Maturing September 30, 2010......    3,076,923        3,112,178
Spanish Broadcasting System, Inc., Term Loan, Maturing
  October 31, 2009..........................................    2,750,000        2,784,375
                                                                            --------------
                                                                            $   38,827,528
                                                                            ==============
BUILDINGS AND REAL ESTATE--2.6%
Crown Castle Operating Co., Term Loan, Maturing September
  15, 2007..................................................    6,319,163        6,420,155
Newkirk Tender Holdings, LLC, Term Loan, Maturing May 25,
  2006......................................................    2,000,000        2,020,000
St. Marys Cement, Inc., Term Loan, Maturing December 4,
  2010......................................................    8,000,000        8,037,504
                                                                            --------------
                                                                            $   16,477,659
                                                                            ==============
CARGO TRANSPORT--1.1%
SIRVA Worldwide, Inc., Term Loan, Maturing December 31,
  2010......................................................    4,882,353        4,885,404
Yellow Roadway Corp.,
  Term Loan, Maturing June 30, 2008.........................    1,090,909        1,097,727
  Term Loan, Maturing June 30, 2008.........................      909,091          914,773
                                                                            --------------
                                                                            $    6,897,904
                                                                            ==============
CHEMICALS, PLASTICS AND RUBBER--1.8%
Huntsman International,
  Term Loan, Maturing June 30, 2007.........................    2,500,113        2,513,238
  Term Loan, Maturing June 30, 2008.........................    2,499,887        2,513,429
Huntsman, LLC,
  Term Loan, Maturing March 31, 2007........................    2,085,491        1,964,533
  Term Loan, Maturing March 31, 2007........................    2,754,547        2,594,783
Polymer Group, Inc., Term Loan, Maturing December 31,
  2006......................................................    1,991,242        1,994,976
                                                                            --------------
                                                                            $   11,580,959
                                                                            ==============
CONTAINERS, PACKAGING AND GLASS--1.9%
Berry Plastics Corp., Term Loan, Maturing July 22, 2010.....    2,462,578        2,487,204
Graphic Packaging International, Inc., Term Loan, Maturing
  August 8, 2009............................................      995,000        1,008,308
Owens-Illinois, Inc.,
  Term Loan, Maturing April 1, 2007.........................    2,500,000        2,514,063
  Term Loan, Maturing April 1, 2008.........................    3,000,000        3,028,749
Stone Container Corp.,
  Term Loan, Maturing June 30, 2009.........................    2,552,454        2,572,236
  Term Loan, Maturing June 30, 2009.........................      663,121          668,260
                                                                            --------------
                                                                            $   12,278,820
                                                                            ==============


35

PORTFOLIO OF INVESTMENTS (UNAUDITED)

                                                               PRINCIPAL
                BORROWER/TRANCHE DESCRIPTION                     AMOUNT         VALUE
------------------------------------------------------------------------------------------
DIVERSIFIED/CONGLOMERATE MANUFACTURING--2.2%
Goodman Global Holdings, Inc., Term Loan, Maturing November
  21, 2009..................................................    1,700,000        1,721,250
Polypore, Inc., Term Loan, Maturing December 31, 2007.......    4,323,997        4,365,434
Roper Industries, Inc., Term Loan, Maturing December 29,
  2008......................................................    1,000,000        1,000,000
Sensus Metering Systems, Inc.,
  Term Loan, Maturing December 17, 2010.....................    1,739,130        1,755,435
  Term Loan, Maturing December 17, 2010.....................      260,870          263,315
SPX Corp., Term Loan, Maturing September 30, 2009...........    4,630,242        4,680,888
                                                                            --------------
                                                                            $   13,786,322
                                                                            ==============
DIVERSIFIED/CONGLOMERATE SERVICE--2.2%
Environmental Systems Products Hldgs, Inc.,
  Term Loan, Maturing December 12, 2008.....................      973,324          979,407
  Term Loan, Maturing December 12, 2010.....................    2,500,000        2,531,250
Nalco Co., Term Loan, Maturing November 4, 2010.............   10,000,000       10,051,250
                                                                            --------------
                                                                            $   13,561,907
                                                                            ==============
ECOLOGICAL--1.7%
Allied Waste Industries, Inc.,
  Term Loan, Maturing January 15, 2009......................    1,142,857        1,157,261
  Term Loan, Maturing July 15, 2010.........................    6,578,571        6,666,014
Waste Connections, Term Loan, Maturing October 22, 2010.....    3,000,000        3,038,439
                                                                            --------------
                                                                            $   10,861,714
                                                                            ==============
ELECTRONICS--0.8%
Amphenol Corp., Term Loan, Maturing May 6, 2010.............    1,022,500        1,030,701
Fairchild Semiconductor Corp., Term Loan, Maturing June 19,
  2008......................................................      746,250          753,246
Xerox Corp., Term Loan, Maturing September 30, 2008.........    3,000,000        3,021,093
                                                                            --------------
                                                                            $    4,805,040
                                                                            ==============
FARMING AND AGRICULTURE--0.3%
Central Garden & Pet Co., Term Loan, Maturing May 19,
  2009......................................................      997,494        1,004,352
The Scotts Co., Term Loan, Maturing September 30, 2010......    1,000,000        1,012,857
                                                                            --------------
                                                                            $    2,017,209
                                                                            ==============
HEALTHCARE, EDUCATION AND CHILDCARE--6.7%
aaiPharma, Inc., Term Loan, Maturing December 1, 2009.......    2,925,000        2,959,734
AMN Healthcare, Inc., Term Loan, Maturing October 2, 2008...    2,000,000        2,022,500
Community Health Systems, Inc., Term Loan, Maturing July 5,
  2010......................................................    6,468,636        6,537,366
Concentra Operating Corp., Term Loan, Maturing June 30,
  2009......................................................    3,989,975        4,034,862
Conmed Corp. Term C, Term Loan, Maturing December 31,
  2005......................................................      936,416          953,974
DaVita, Inc., Term Loan, Maturing March 31, 2009............    5,983,795        6,023,330
Empi Corp., Term Loan, Maturing November 24, 2009...........    3,500,000        3,543,750


36

PORTFOLIO OF INVESTMENTS (UNAUDITED)

                                                               PRINCIPAL
                BORROWER/TRANCHE DESCRIPTION                     AMOUNT         VALUE
------------------------------------------------------------------------------------------
Fisher Scientific International, LLC, Term Loan, Maturing
  March 31, 2010............................................    2,500,000        2,514,063
Kinetic Concepts, Inc., Term Loan, Maturing October 3,
  2009......................................................    2,487,500        2,518,594
Knowledge Learning Corp., Term Loan, Maturing May 15,
  2010......................................................    4,000,000        4,000,000
Mariner Health Care, Inc., Term Loan, Maturing December 31,
  2009......................................................    1,000,000        1,010,000
Medco Health Solutions, Inc., Term Loan, Maturing June 30,
  2010......................................................    1,995,000        2,016,197
Sola International, Inc., Term Loan, Maturing December 11,
  2009......................................................    4,000,000        4,060,000
                                                                            --------------
                                                                            $   42,194,370
                                                                            ==============
HOTELS, MOTELS, INNS AND GAMING--2.3%
Alliance Gaming Corp., Term Loan, Maturing September 5,
  2009......................................................    8,000,000        8,086,664
Argosy Gaming Co., Term Loan, Maturing June 30, 2008........    6,258,951        6,294,158
                                                                            --------------
                                                                            $   14,380,822
                                                                            ==============
LEISURE, AMUSEMENT, ENTERTAINMENT--0.4%
Loews Cineplex Entertainment Corp., Term Loan, Maturing
  September 30, 2006........................................    2,500,000        2,508,333
                                                                            --------------
                                                                            $    2,508,333
                                                                            ==============
PERSONAL AND NON-DURABLE CONSUMER PRODUCTS
  (MANUFACTURING ONLY)--0.7%
Playtex Products, Inc., Term Loan, Maturing May 31, 2009....    4,500,000        4,507,034
                                                                            --------------
                                                                            $    4,507,034
                                                                            ==============
PERSONAL, FOOD AND MISCELLANEOUS--1.5%
AFC Enterprises, Inc.,
  Term Loan, Maturing June 30, 2004.........................    2,651,560        2,585,271
  Term Loan, Maturing May 23, 2009..........................      922,093          924,168
Buffets, Inc., Term Loan, Maturing June 30, 2009............      981,341          985,634
Weight Watchers International, Inc.,
  Term Loan, Maturing December 31, 2007.....................    4,420,042        4,466,452
  Term Loan, Maturing December 31, 2007.....................      567,427          572,924
                                                                            --------------
                                                                            $    9,534,449
                                                                            ==============
PRINTING AND PUBLISHING--5.7%
Appleton Papers, Inc., Term Loan, Maturing November 8,
  2006......................................................    1,209,166        1,218,234
Buckeye Technologies, Inc., Term Loan, Maturing April 15,
  2010......................................................    4,750,000        4,770,781
Dex Media East, LLC, Term Loan, Maturing May 8, 2009........    5,912,701        5,973,679
Dex Media West, LLC,
  Term Loan, Maturing September 9, 2009.....................    2,463,734        2,480,672
  Term Loan, Maturing March 9, 2010.........................    5,852,106        5,925,257
Hollinger International Publishing, Inc., Term Loan,
  Maturing September 30, 2009...............................    3,401,389        3,454,536
Moore Holdings U.S.A., Inc., Term Loan, Maturing March 15,
  2010......................................................    5,478,111        5,503,792
Nebraska Book Co., Term Loan, Maturing December 31, 2010....    2,000,000        2,017,500


37

PORTFOLIO OF INVESTMENTS (UNAUDITED)

                                                               PRINCIPAL
                BORROWER/TRANCHE DESCRIPTION                     AMOUNT         VALUE
------------------------------------------------------------------------------------------
R.H. Donnelley, Inc., Term Loan, Maturing June 30, 2010.....    2,738,462        2,777,066
The Reader's Digest Association, Inc., Term Loan, Maturing
  May 20, 2008..............................................    1,895,789        1,903,744
                                                                            --------------
                                                                            $   36,025,261
                                                                            ==============
RETAIL STORES--2.1%
Advance Stores Co., Inc., Term Loan, Maturing November 30,
  2007......................................................    3,457,565        3,493,223
Alimentation Couche-Tard, Inc., Term Loan, Maturing December
  17, 2010..................................................    2,000,000        2,013,126
Barnes & Noble, Inc., Term Loan, Maturing November 15,
  2004......................................................    4,000,000        3,960,000
CSK Auto, Inc., Term Loan, Maturing June 20, 2009...........      995,000        1,001,841
Rite Aid Corp., Term Loan, Maturing April 30, 2008..........    3,000,000        3,062,250
                                                                            --------------
                                                                            $   13,530,440
                                                                            ==============
TELECOMMUNICATIONS--3.4%
Cincinnati Bell, Inc., Term Loan, Maturing June 30, 2008....    2,000,000        2,025,626
Nextel Communications, Inc., Term Loan, Maturing December
  15, 2010..................................................   10,000,000       10,060,160
Qwest Corp., Term Loan, Maturing June 4, 2007...............    6,500,000        6,857,500
Western Wireless, Term Loan, Maturing September 30, 2008....    2,830,409        2,834,958
                                                                            --------------
                                                                            $   21,778,244
                                                                            ==============
UTILITIES--2.1%
CenterPoint Energy, Inc., Term Loan, Maturing October 7,
  2006......................................................    4,986,486        5,047,571
NRG Energy, Inc.,
  Term Loan, Maturing June 23, 2010.........................      625,000          640,625
  Term Loan, Maturing June 23, 2010.........................    2,375,000        2,434,375
NUI Utilities, Inc., Term Loan, Maturing November 24,
  2004......................................................    5,000,000        5,053,125
                                                                            --------------
                                                                            $   13,175,696
                                                                            ==============
TOTAL SENIOR, FLOATING RATE INTERESTS (IDENTIFIED COST $344,099,515).....   $  344,639,432
                                                                            ==============

COMMON STOCKS--2.7%
                          SECURITY                             SHARE/RIGHTS       VALUE
--------------------------------------------------------------------------------------------
Citigroup Investments, Corp. ...............................        23,000           346,610
                                                                              --------------
Ing Prime Rate Trust........................................       795,800         6,310,694
                                                                              --------------
Van Kampen Senior Income Trust..............................     1,225,500        10,576,065
                                                                              --------------
TOTAL COMMON STOCKS (IDENTIFIED COST, $17,133,670).........................   $   17,233,369
                                                                              ==============


38

PORTFOLIO OF INVESTMENTS (UNAUDITED)

CORPORATE BONDS & NOTES--9.5%
                                                               PRINCIPAL
                                                                 AMOUNT
                                                                 (000'S
                          SECURITY                              OMITTED)        VALUE
------------------------------------------------------------------------------------------
AIRLINES--0.2%
Continental Airlines, 7.033%, 6/15/11.......................          863          743,408
Delta Airlines Notes, 7.90%, 12/15/09.......................        1,000          813,750
                                                                            --------------
                                                                            $    1,557,158
                                                                            ==============
AUTO AND PARTS--0.3%
Metaldyne Corp., 10.00%, 11/1/13(2).........................        1,000        1,015,000
Tenneco Automotive, Inc., 10.25%, 7/15/13(2)................          215          245,637
Tenneco Automotive, Inc., Series B 11.625%, 10/15/09........          500          542,500
                                                                            --------------
                                                                            $    1,803,137
                                                                            ==============
BROADCASTING AND CABLE--0.2%
Charter Communication Holdings, Sr. Notes 8.25%, 4/1/07.....        1,000          945,000
Insight Communications, Sr. Disc. Notes 12.25%, 2/15/11.....          100           86,000
Nexstar Finance Holdings LLC, Inc., Sr. Disc. Notes 11.375%,
  4/1/13....................................................           25           18,406
Young Broadcasting, Inc., Sr. Sub. Notes 8.75%, 1/15/14.....          500          508,750
                                                                            --------------
                                                                            $    1,558,156
                                                                            ==============
BUILDING MATERIALS--0.1%
Interline Brands, Inc., Sr. Sub. Notes 11.50%, 5/15/11......          750          830,625
                                                                            --------------
                                                                            $      830,625
                                                                            ==============
BUSINESS SERVICES--0.2%
Stratus Technologies, Inc., Sr. Notes 10.375%, 12/1/08(2)...        1,000        1,066,250
                                                                            --------------
                                                                            $    1,066,250
                                                                            ==============
BUSINESS SERVICES-MISCELLANEOUS--0.3%
Advanstar Communications, 10.75%, 8/15/10(2)................        1,000        1,087,500
Sensus Metering Systems, Sr. Sub. Notes 8.625%,
  12/15/13(2)...............................................          115          118,594
Williams Scotsman, Inc., 9.875%, 6/1/07.....................        1,000        1,017,500
                                                                            --------------
                                                                            $    2,223,594
                                                                            ==============


39

PORTFOLIO OF INVESTMENTS (UNAUDITED)

                                                               PRINCIPAL
                                                                 AMOUNT
                                                                 (000'S
                          SECURITY                              OMITTED)        VALUE
------------------------------------------------------------------------------------------
CHEMICALS--0.6%
Huntsman Co., LLC, 11.625%, 10/15/10(2).....................          250          256,250
Kraton Polymers LLC, Sr. Sub Notes 8.125%, 1/15/14..........           95           99,275
Lyondell Chemical Co., 9.875%, 5/1/07.......................        1,000        1,060,000
Nalco Company, Sr. Sub. Notes, 8.875%, 11/15/13(2)..........        1,000        1,065,000
OM Group, Inc., 9.25%, 12/15/11.............................        1,000        1,045,000
                                                                            --------------
                                                                            $    3,525,525
                                                                            ==============
COMPUTER SERVICES--0.2%
Digitalnet Inc., 9.00%, 7/15/10.............................        1,000        1,087,500
                                                                            --------------
                                                                            $    1,087,500
                                                                            ==============
DRUGS--0.0%
Valeant Pharmaceuticals, Sr. Notes 7.00%, 12/15/11(2).......          100          103,500
                                                                            --------------
                                                                            $      103,500
                                                                            ==============
ELECTRICAL EQUIPMENT--0.2%
Rayovac Corp., Sr. Sub. Notes 8.50%, 10/1/13................        1,000        1,065,000
                                                                            --------------
                                                                            $    1,065,000
                                                                            ==============
ENTERTAINMENT--0.3%
Equinox Holdings, Inc., Sr. Notes 9.00%, 12/15/09(2)........           60           62,250
Hollywood Entertainment, 9.625%, 3/15/11....................          500          540,000
Six Flags, Inc., Sr. Notes
  8.875%, 2/1/10............................................        1,000        1,031,250
  9.625%, 6/1/14(2).........................................          130          136,500
                                                                            --------------
                                                                            $    1,770,000
                                                                            ==============
FOOD, BEVERAGES AND TOBACCO--0.2%
General Nutrition Center, Sr. Sub. Notes 8.50%,
  12/1/10(2)................................................        1,000        1,030,000
                                                                            --------------
                                                                            $    1,030,000
                                                                            ==============


40

PORTFOLIO OF INVESTMENTS (UNAUDITED)

                                                               PRINCIPAL
                                                                 AMOUNT
                                                                 (000'S
                          SECURITY                              OMITTED)        VALUE
------------------------------------------------------------------------------------------
FOODS--0.3%
Burns Philip Capital, Sr. Sub Notes 10.75%, 2/15/11(2)......        1,000        1,095,000
Land O Lakes, Inc., 9.00%, 12/15/10(2)......................          500          506,250
Merisant Co., Sr. Notes 9.50%, 7/15/13(2)...................          500          535,000
United Agricultural Products, Sr. Notes 8.25%,
  12/15/11(2)...............................................           95           98,087
                                                                            --------------
                                                                            $    2,234,337
                                                                            ==============
FURNITURE AND APPLIANCES--0.0%
Home Interiors & Gifts, 10.125%, 6/1/08.....................          100          101,625
                                                                            --------------
                                                                            $      101,625
                                                                            ==============
GAMING--0.2%
Inn of the Mountain Gods, Sr. Notes 12.00%, 11/15/10(2).....        1,000        1,067,500
                                                                            --------------
                                                                            $    1,067,500
                                                                            ==============
HEALTH SERVICES--0.4%
Quintiles Transnational, Sr. Sub. Notes 10.00%,
  10/1/13(2)................................................        1,000        1,085,000
Tenet Healthcare Corp., 7.375%, 2/1/13......................          500          505,000
Vanguard Health Systems, 9.75%, 8/1/11......................        1,000        1,090,000
                                                                            --------------
                                                                            $    2,680,000
                                                                            ==============
HOUSEHOLD PRODUCTS--0.1%
Interface, Inc., 10.375%, 2/1/10............................          500          531,250
                                                                            --------------
                                                                            $      531,250
                                                                            ==============
INVESTMENT SERVICES--4.3%
Bombardier Recreational, Sr. Sub. Notes 8.375%,
  12/15/13(2)...............................................           95           99,750
Trac-X Na Hy S2 T3-144A 8.00%, 3/25/09......................       26,000       27,267,500
                                                                            --------------
                                                                            $   27,367,250
                                                                            ==============
OIL AND GAS-EQUIPMENT AND SERVICES--0.2%
Dynegy Holdings, Inc., Sr. Notes
  8.75%, 2/15/12............................................          500          506,875
  10.125%, 7/15/13(2).......................................          500          577,500
Hanover Compress Co., Sr. Notes 8.625%, 12/15/10............           85           88,825
                                                                            --------------
                                                                            $    1,173,200
                                                                            ==============


41

PORTFOLIO OF INVESTMENTS (UNAUDITED)

                                                               PRINCIPAL
                                                                 AMOUNT
                                                                 (000'S
                          SECURITY                              OMITTED)        VALUE
------------------------------------------------------------------------------------------
OIL AND GAS-EXPLORATION AND PRODUCTION--0.2%
Continental Resources, 10.25%, 8/1/08.......................        1,000        1,010,000
                                                                            --------------
                                                                            $    1,010,000
                                                                            ==============
PUBLISHING--0.2%
Canwest Media, Inc., Sr. Sub. Notes 10.625%, 5/15/11........          500          573,750
Liberty Group Operating, 9.375%, 2/1/08.....................          500          507,500
                                                                            --------------
                                                                            $    1,081,250
                                                                            ==============
RETAIL--0.2%
Couche-Tard US, Sr. Sub. Notes 7.50%, 12/15/13..............          145          152,613
PCA LLC/PCA Finance Corp., Sr. Notes 11.875%, 8/1/09........          850          935,000
                                                                            --------------
                                                                            $    1,087,613
                                                                            ==============
TRANSPORTATION-TRUCKING--0.0%
Quality Distribution, 9.00%, 11/15/10(2)....................          250          262,813
                                                                            --------------
                                                                            $      262,813
                                                                            ==============
UTILITIES--0.2%
El Paso Corp., Sr. Notes 7.00%, 5/15/11.....................        1,000          927,500
NRG Energy, Inc., 8.00%, 12/15/13(2)........................          340          359,125
                                                                            --------------
                                                                            $    1,286,625
                                                                            ==============
WIRELESS COMMUNICATION SERVICES--0.2%
LCI International, Inc., Sr. Notes 7.25%, 6/15/07...........          500          482,500
Level 3 Financing, Inc., Sr. Notes 10.75%, 10/15/11(2)......        1,040        1,105,000
                                                                            --------------
                                                                            $    1,587,500
                                                                            ==============
WIRELINE COMMUNICATION SERVICES--0.2%
Qwest Services Corp., 13.50%, 12/15/10(2)...................        1,000        1,220,000
SBA Telecommunications, Sr. Disc. Notes 0.00%,
  12/19/11(2)...............................................          185          131,350
                                                                            --------------
                                                                            $    1,351,350
                                                                            ==============
TOTAL CORPORATE BONDS & NOTES (IDENTIFIED COST $59,479,433)..............   $   60,442,758
                                                                            ==============


42

PORTFOLIO OF INVESTMENTS (UNAUDITED)

                                                               PRINCIPAL
                                                                 AMOUNT
                                                                 (000'S
                          SECURITY                              OMITTED)        VALUE
------------------------------------------------------------------------------------------
U.S. TREASURY OBLIGATIONS--12.0%
United States Treasury Note, 3.00%, 1/31/04.................       15,000       15,028,140
United States Treasury Note, 3.375%, 4/30/04................       15,000       15,123,060
United States Treasury Note, 3.625%, 3/31/04................       15,000       15,101,955
United States Treasury Note, 5.875%, 2/15/04................       15,000       15,091,410
United States Treasury Note, 7.25%, 5/15/04.................       15,000       15,346,890
                                                                            --------------
TOTAL U.S. TREASURY OBLIGATIONS (IDENTIFIED COST $75,669,995)............   $   75,691,455
                                                                            ==============

SHORT-TERM INVESTMENTS--7.4%
                                                               PRINCIPAL
                          BORROWER                               AMOUNT         AMOUNT
------------------------------------------------------------------------------------------
FEDERAL HOME LOAN BANK DISCOUNT NOTE, 0.75%, 01/02/04.......   17,061,000       17,060,644
INVESTORS BANK AND TRUST TIME DEPOSIT, 1.01%,01/02/04.......   30,000,000       30,000,000
                                                                            --------------
TOTAL SHORT-TERM INVESTMENTS (AT AMORTIZED COST, $47,060,644)............   $   47,060,644
                                                                            ==============

COMMERCIAL PAPER--16.2%
                                                               PRINCIPAL
                                                                 AMOUNT
                                                                 (000'S
                          SECURITY                              OMITTED)        VALUE
------------------------------------------------------------------------------------------
American General Finance Corp., 1.04%, 1/6/04...............       10,500       10,498,483
CAFCO LLC, 1.05%, 1/30/04...................................        9,039        9,031,355
CIESCO, LP, 1.09%, 1/28/04..................................       20,303       20,286,402
CRC Funding LLC, 1.05%, 2/12/04.............................        9,039        9,027,927
New York Life Capital, 1.07%, 1/12/04(3)....................       27,000       26,991,173
Prudential Funding, 1.07%, 1/5/04...........................       27,000       26,996,790
                                                                            --------------
TOTAL COMMERCIAL PAPER (AMORTIZED COST $102,832,130).....................   $  102,832,130
                                                                            ==============
TOTAL INVESTMENTS--102.2% (IDENTIFIED COST $646,275,387).................   $  647,899,788
                                                                            ==============
OTHER ASSETS, LESS LIABILITIES--(2.2)%...................................   $  (13,759,593)
                                                                            ==============
NET ASSETS--100.0%.......................................................   $  634,140,195
                                                                            ==============


43

PORTFOLIO OF INVESTMENTS (UNAUDITED)


(1) Senior floating rate loans often require prepayments from excess cash flows or permit the borrower to repay at its election. The degree to which borrowers repay, whether as a contractual requirement or at their election, cannot be predicted with accuracy. As a result, the actual remaining maturity may be substantially less than the stated maturities shown. However, it is anticipated that the senior floating-rate interests will have an expected average life of approximately two to four years.

(2) Security exempt from registration under Rule 144A of the Securities Act of 1933. These securities may be resold in transactions exempt from registration, normally to qualified institutional buyers.

(3) A security which has been issued under section 4(2) of the Securities Act of 1933 and is generally regarded as restricted and illiquid. This security may be resold in transactions exempt from registration or to the public if the security is registered. All such securities held have been deemed by the Portfolio's Trustees to be liquid and were purchased with the expectation that resale would not be necessary.

At December 31, 2003, the following security (representing 4.17% of the investment portfolio and 4.26% of net assets) was held by the Portfolio:

                                                   DATE OF     PRINCIPAL
DESCRIPTION                                      ACQUISITION    AMOUNT        COST      FAIR VALUE
---------------------------------------------------------------------------------------------------
New York Life Capital, 1.07%, 1/12/04..........    12/1/03    $27,000,000  $26,996,291  $26,991,173

Note: At December 31, 2003, the Trust had unfunded commitments amounting to $1,000,000 under various revolving credit agreements.

See notes to financial statements.


44

FINANCIAL STATEMENTS (UNAUDITED)

STATEMENT OF ASSETS AND LIABILITIES
AS OF DECEMBER 31, 2003

ASSETS
  Investments, at value (identified cost, $646,275,387).....  $647,899,788
  Cash......................................................     3,106,923
  Receivable for investments sold...........................        27,051
  Dividends and interest receivable.........................     2,137,940
                                                              ------------
TOTAL ASSETS................................................  $653,171,702
                                                              ============
LIABILITIES
  Payable for investments purchased.........................  $ 15,263,360
  Dividends payable.........................................     2,909,812
  Payable to affiliate for Trustees' fees...................         1,360
  Accrued expenses..........................................       856,975
                                                              ------------
TOTAL LIABILITIES...........................................  $ 19,031,507
                                                              ============
NET ASSETS APPLICABLE TO 33,255,000 COMMON SHARES
  OUTSTANDING...............................................  $634,140,195
                                                              ============
SOURCES OF NET ASSETS
  Common Shares, $0.01 par value; unlimited number of shares
     authorized, 33,255,000 shares issued and outstanding...       332,550
  Additional paid-in capital................................   634,252,651
  Accumulated net realized loss (computed on the basis of
     identified cost).......................................       (15,602)
  Accumulated distributions in excess of net investment
     income.................................................    (2,053,805)
  Net unrealized appreciation (computed on the basis of
     identified cost).......................................     1,624,401
                                                              ------------
NET ASSETS APPLICABLE TO COMMON SHARES......................  $634,140,195
                                                              ============
NET ASSET VALUE PER COMMON SHARE
($634,140,195 / 33,255,000 COMMON SHARES ISSUED AND
  OUTSTANDING)..............................................  $      19.07
                                                              ============

See notes to financial statements.


45

FINANCIAL STATEMENTS (UNAUDITED)

STATEMENT OF OPERATIONS
FOR THE PERIOD ENDED DECEMBER 31, 2003(1)

INVESTMENT INCOME
  Interest..................................................  $1,192,806
  Dividends.................................................      13,831
                                                              ----------
TOTAL INVESTMENT INCOME.....................................  $1,206,637
                                                              ----------
EXPENSES
  Investment adviser fee....................................  $  400,398
  Trustees' fees and expenses...............................       1,360
  Custodian fee.............................................      21,355
  Legal and accounting services.............................       9,078
  Amortization of organization expenses.....................       7,500
  Printing and postage......................................       6,800
  Transfer and dividend disbursing agent fees...............       5,780
  Miscellaneous.............................................      12,916
                                                              ----------
TOTAL EXPENSES..............................................  $  465,187
                                                              ==========
Deduct--
  Reduction of investment adviser fee.......................  $  107,057
  Expense reimbursement.....................................       7,500
                                                              ----------
TOTAL EXPENSE REDUCTIONS....................................  $  114,557
                                                              ==========
NET EXPENSES................................................  $  350,630
                                                              ==========
NET INVESTMENT INCOME.......................................  $  856,007
                                                              ==========
REALIZED AND UNREALIZED GAIN (LOSS)
  Net realized gain (loss)--
     Investment transactions (identified cost basis)........  $  (15,602)
                                                              ----------
NET REALIZED LOSS...........................................  $  (15,602)
                                                              ==========
  Change in unrealized appreciation (depreciation)--
     Investments (identified cost basis)....................  $1,624,401
                                                              ----------
NET CHANGE IN UNREALIZED APPRECIATION (DEPRECIATION)........  $1,624,401
                                                              ==========
NET REALIZED AND UNREALIZED GAIN............................  $1,608,799
                                                              ==========
NET INCREASE IN NET ASSETS FROM OPERATIONS..................  $2,464,806
                                                              ==========


(1) For the period from the start of business, November 28, 2003, to December 31, 2003.

See notes to financial statements.


46

FINANCIAL STATEMENTS (UNAUDITED)

STATEMENT OF CHANGES IN NET ASSETS

                                                                  PERIOD ENDED
                                                              DECEMBER 31, 2003(1)
                                                              --------------------
INCREASE (DECREASE) IN NET ASSETS
From operations--
  Net investment income.....................................      $    856,007
  Net realized loss.........................................           (15,602)
  Net change in unrealized appreciation (depreciation)......         1,624,401
                                                                  ------------
NET INCREASE IN NET ASSETS FROM OPERATIONS..................      $  2,464,806
                                                                  ============
Distributions--
  From net investment income................................      $ (2,909,812)
                                                                  ------------
TOTAL DISTRIBUTIONS.........................................      $ (2,909,812)
                                                                  ============
Capital share transactions--
  Proceeds from sale of shares(2)...........................      $635,075,000
  Offering cost.............................................          (589,799)
                                                                  ------------
NET INCREASE IN NET ASSETS FROM CAPITAL SHARE
  TRANSACTIONS..............................................      $634,485,201
                                                                  ============
NET INCREASE IN NET ASSETS..................................      $634,040,195
                                                                  ============
NET ASSETS
At beginning of period......................................      $    100,000
                                                                  ------------
AT END OF PERIOD............................................      $634,140,195
                                                                  ============
ACCUMULATED DISTRIBUTIONS IN EXCESS OF NET INVESTMENT INCOME
  INCLUDED IN NET ASSETS APPLICABLE TO COMMON SHARES
AT END OF PERIOD............................................      $ (2,053,805)
                                                                  ============


(1) For the period from the start of business, November 28, 2003, to December 31, 2003.

(2) Proceeds from sales of shares net of sales load paid of $29,925,000.

See notes to financial statements


47

FINANCIAL STATEMENTS (UNAUDITED)

FINANCIAL HIGHLIGHTS

                                                                   PERIOD ENDED
                                                                   DECEMBER 31,
                                                                    2003(1)(2)
                                                              -----------------------
Net asset value--Beginning of period(3).....................         $ 19.100
                                                                     --------
INCOME (LOSS) FROM OPERATIONS
Net investment income.......................................         $  0.028
Net realized and unrealized gain............................            0.050
                                                                     --------
TOTAL INCOME FROM OPERATIONS................................         $  0.078
                                                                     ========
LESS DISTRIBUTIONS
From net investment income..................................         $ (0.088)
                                                                     --------
TOTAL DISTRIBUTIONS.........................................         $ (0.088)
                                                                     ========
COMMON SHARE OFFERING COSTS.................................         $ (0.020)
                                                                     ========
NET ASSET VALUE--END OF PERIOD..............................         $ 19.070
                                                                     ========
MARKET VALUE--END OF PERIOD.................................         $ 19.650
                                                                     ========
TOTAL INVESTMENT RETURN ON MARKET VALUE(4)..................             2.88%
                                                                     ========
TOTAL INVESTMENT RETURN ON NET ASSET VALUE(4)...............            (0.16)%
                                                                     ========
RATIOS/SUPPLEMENTAL DATA+
Net assets, end of period (000's omitted)...................         $634,140
Ratios (As a percentage of average daily net assets):
  Net expenses..............................................             0.65%(5)
  Net investment income.....................................             1.57%(5)
Portfolio Turnover..........................................               15%


+ The operating expenses of the Fund reflect a reduction of the investment adviser fee and a reimbursement of expenses by the adviser Had such actions not been taken, the ratios and net investment income per share would have been as follows:

Ratios (As a percentage of average daily net assets):
  Expenses..................................................    0.87%(5)
  Net investment income.....................................    1.35%(5)
Net investment income per share.............................  $0.024

(1) For the period from the start of business, November 28, 2003, to December 31, 2003.

(2) Computed using average common shares outstanding.

(3) Net asset value at beginning of period reflects the deduction of the sales load of $0.90 per share paid by the shareholder from the $20.00 offering price.

(4) Total investment return on net asset value is calculated assuming a purchase at the offering price of $20.00 less the sales load of $0.90 per share paid by the shareholder on the first day and a sale at the net asset value on the last day of the period reported. Total investment return on market value is calculated assuming a purchase at the offering price of $20.00 less the sales load of $0.90 per share paid by the shareholder on the first day and a sale at the current market price on the last day of the period reported. Total investment return on net asset value and total investment return on market value are not computed on an annualized basis.

(5) Annualized.


48

NOTES TO FINANCIAL STATEMENTS (UNAUDITED)

1: SIGNIFICANT ACCOUNTING POLICIES

Eaton Vance Senior Floating-Rate Trust (the Trust) is registered under the Investment Company Act of 1940, as amended, as a diversified closed-end management investment company. The Trust, which was organized as a Massachusetts business trust on August 5, 2003, seeks to provide a high level of current income. The Trust may, as a secondary objective, also seek preservation of capital to the extent consistent with its primary goal of high current income. The Trust pursues its objectives by investing primarily in senior, secured floating rate loans (Senior Loans). The following is a summary of significant accounting policies of the Trust. The policies are in conformity with accounting principles generally accepted in the United States of America.

A: INVESTMENT VALUATION

Certain senior loans are deemed to be liquid if reliable market quotations are readily available for them. Liquid Senior Loans are valued on the basis of prices furnished by a pricing service. Other Senior Loans are valued at fair value by the Trust's investment advisor, Eaton Vance Management (EVM), under procedures established by the Trustees as permitted by Section 2(a)(41) of the Investment Company Act of 1940. Such procedures include the consideration of relevant factors, data and information relating to fair value, including (i) the characteristics of and fundamental analytical data relating to the Senior Loan, including the cost, size, current interest rate, period until next interest rate reset, maturity and base lending rate of the Senior Loan, the terms and conditions of the Senior Loan and any related agreements, and the position of the Senior Loan in the Borrower's debt structure; (ii) the nature, adequacy and value of the collateral, including the Trust's rights, remedies and interests with respect to the collateral; (iii) the creditworthiness of the Borrower, based on 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 Senior Loan including price quotations for and trading in the Senior Loan, and interests in similar Senior Loans and the market environment and investor attitudes towards the Senior Loan and interests in similar Senior Loans; (v) the experience, reputation, stability and financial condition of the agent and any intermediate participant in the Senior Loan; and (vi) general economic and market conditions affecting the fair value of the Senior Loan. Other portfolio securities (other than short-term obligations, but including listed issues) may be valued on the basis of prices furnished by one or more pricing services which determine prices for normal, institutional-size trading units of such securities which may use market information, transactions for comparable securities and various relationships between securities which are generally recognized by institutional traders. In certain circumstances, portfolio securities will be valued at the last sales price on the exchange that is the primary market for such securities, or the 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. Marketable securities listed in the NASDAQ National Market System are valued at the NASDAQ official closing price. The value of interest rate swaps will be based on dealer quotations. 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 Trust was 60 days or less or are valued at amortized cost using their value on the 61st day prior to maturity, if their original term to maturity when acquired by the Trust was more than 60 days, unless in each case this is determined not to represent fair value. OTC options are valued at the mean between bid and asked price provided by dealers. Financial futures contracts listed on commodity exchanges and exchange traded options are valued at closing settlement prices. Securities for which there is no such quotation or valuation are valued at fair value using methods determined in good faith by or at the direction of the Trustees. Repurchase agreements are valued at cost plus accrued interest. Other portfolio securities for which there are no quotations or valuations are valued at fair value as determined in good faith by or on behalf of the Trustees.


49

NOTES TO FINANCIAL STATEMENTS (UNAUDITED)

B: INCOME

Interest income from Senior Loans is recorded on the accrual basis at the then-current interest rate, while all other interest income is determined on the basis of interest accrued, adjusted for amortization of premium or accretion of discount. Facility fees received are recognized as income over the expected term of the loan. Dividend income is recorded on the ex-dividend date for dividends received in cash and/or securities.

C: FEDERAL TAXES

The Trust's policy is to comply with the provisions of the Internal Revenue Code applicable to regulated investment companies and to distribute to shareholders each year all of its taxable income, including any net realized gain on investments. Accordingly, no provision for federal income or excise tax is necessary.

D: INVESTMENT TRANSACTIONS

Investment transactions are recorded on a trade date basis. Realized gains and losses from such transactions are determined using the specific identification method. Securities purchased or sold on a when-issued or delayed delivery basis may be settled a month or more after the transaction date. The securities so purchased are subject to market fluctuations during this period. To the extent that when-issued or delayed delivery purchases are outstanding, the trust instructs the custodian to segregate assets in a separate account, with a current value at least equal to the amount of its purchase commitments.

E: OFFERING COSTS

Costs incurred by the Trust in connection with the offering of the common shares were recorded as a reduction of capital paid in excess of par applicable to common shares.

F: EXPENSE REDUCTION

Investors Bank & Trust Company (IBT) serves as custodian of the Trust. Pursuant to the custodian agreement, IBT receives a fee reduced by credits which are determined based on the average daily cash balance the Trust maintains with IBT. All significant credit balances used to reduce the Trust's custodian fees are reported as a reduction of expenses on the Statement of Operations.

G: WRITTEN OPTIONS

Upon the writing of a call or a put option, an amount equal to the premium received by the Trust is included in the Statement of Assets and Liabilities as a liability. The amount of the liability is subsequently marked-to-market to reflect the current value of the option written in accordance with the Trust's policies on investment valuations discussed above. Premiums received from writing options which expire are treated as realized gains. Premiums received from writing options which are exercised or are closed are added to or offset against the proceeds or amount paid on the transaction to determine the realized gain or loss. If a put option is exercised, the premium reduces the cost basis of the securities purchased by the Trust. The Trust, as writer of an option, may have no control over whether the underlying securities may be sold (call) or purchased (put) and, as a result, bears the market risk of an unfavorable change in the price of the securities underlying the written option.


50

NOTES TO FINANCIAL STATEMENTS (UNAUDITED)

H: PURCHASED OPTIONS

Upon the purchase of a call or put option, the premium paid by the Trust is included in the Statement of Assets and Liabilities as an investment. The amount of the investment is subsequently marked-to-market to reflect the current market value of the option purchased, in accordance with the Trust's policies on investment valuations discussed above. If an option which the Trust has purchased expires on the stipulated expiration date, the Trust will realize a loss in the amount of the cost of the option. If the Trust enters into a closing sale transaction, the Trust will realize a gain or loss, depending on whether the sales proceeds from the closing sale transaction are greater or less than the cost of the option. If the Trust exercises a put option, it will realize a gain or loss from the sale of the underlying security, and the proceeds from such sale will be decreased by the premium originally paid. If the Trust exercises a call option, the cost of the security which the Trust purchases upon exercise will be increased by the premium originally paid.

I: FINANCIAL FUTURES CONTRACTS

Upon entering into a financial futures contract, the Trust is required to deposit an amount (initial margin) either in cash or securities equal to a certain percentage of the purchase price indicated in the financial futures contract. Subsequent payments are made or received by the Trust (margin maintenance) each day, dependent on the daily fluctuations in the value of the underlying securities, and are recorded for book purposes as unrealized gains or losses by the Trust.

If the Trust enters into a closing transaction, the Trust will realize, for book purposes, a gain or loss equal to the difference between the value of the financial futures contract to sell and the financial futures contract to buy. The Trust's investment in financial futures contracts is designed only to hedge against anticipated future changes in interest rates. Should interest rates move unexpectedly, the Trust may not achieve the anticipated benefits of the financial futures contracts and may realize a loss.

J: REVERSE REPURCHASE AGREEMENTS

The Trust may enter into reverse repurchase agreements. Under such an agreement, the Trust temporarily transfers possession, but not ownership, of a security to a counterparty, in return for cash. At the same time, the Trust agrees to repurchase the security at an agreed-upon price and time in the future. The Trust may enter into reverse repurchase agreements for temporary purposes, such as to Trust withdrawals, or for use as hedging instruments where the underlying security is denominated in a foreign currency. As a form of leverage, reverse repurchase agreements may increase the risk of fluctuation in the market value of the Trust's assets or in its yield. Liabilities to counterparties under reverse repurchase agreements are recognized in the Statement of Assets and Liabilities at the same time at which cash is received by the Trust. The securities underlying such agreements continue to be treated as owned by the Trust and remain in the Portfolio of Investments. Interest charged on amounts borrowed by the Trust under reverse repurchase agreements is accrued daily.

K: TOTAL RETURN SWAPS

The Trust may enter into swap agreements to enhance return, to hedge against fluctuations in securities prices or interest rates or as substitution for the purchase or sale of securities. Pursuant to these agreements, the Trust makes monthly payments at a rate equal to a predetermined spread to the one-month LIBOR. In exchange, the Trust receives payments based on the rate of return of a benchmark industry index. During the term of the outstanding swap agreement, changes in the underlying value of the swap are recorded as unrealized gains and losses. Payments received or made at the end of the measurement period are recorded as realized gains and losses. The value of the swap is determined by changes in the relationship between the rate of interest and the benchmark industry index. The Trust is


51

NOTES TO FINANCIAL STATEMENTS (UNAUDITED)

exposed to credit loss in the event of non-performance by the swap counterparty. However, the Trust does not anticipate non-performance by the counterparty. Risk may also arise from the unanticipated movements in value of interest rates or the index.

L: USE OF ESTIMATES

The preparation of the financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of income and expense during the reporting period. Actual results could differ from those estimates.

M: INTERIM FINANCIAL STATEMENTS

The interim financial statements relating to December 31, 2003 and for the period then ended have not been audited by independent certified public accountants, but in the opinion of the Trust's management reflect all adjustments, consisting only of normal recurring adjustments, necessary for the fair presentation of the financial statements.

2: DISTRIBUTION TO SHAREHOLDERS

The Trust intends to make monthly distributions of net investment income. Distributions are recorded on the ex-dividend date. In addition, at least annually, the Trust intends to distribute net capital gain, if any.

The Trust distinguishes between distributions on a tax basis and a financial reporting basis. Accounting principals generally accepted in the United States of America require that only distributions in excess of tax basis earnings and profits be reported in the financial statements as a return of capital. Permanent differences between book and tax accounting relating to distributions are reclassified to paid in capital. These differences relate primarily to the method for amortizing premiums.

3: INVESTMENT ADVISER FEE AND OTHER TRANSACTIONS WITH AFFILIATES

EVM serves as the administrator of the Trust , but currently receives no compensation for providing administrative services to the Trust. The investment adviser fee, computed at an annual rate of 0.75% of the average daily gross assets of the Trust, was earned by Eaton Vance Management (EVM), as compensation for management and investment advisory services rendered to the Trust. For the period from the start of business, November 28, 2003 to December 31, 2003, the fee was equivalent to 0.75% (annualized) of the Trust's average daily gross assets for such period and amounted to $400,398.

In addition, the Adviser has contractually agreed to reimburse the Trust for fees and other expenses in the amount of 0.20% of the average daily gross assets of the Trust for the first five full years of the Trust's operations, 0.15% of average weekly gross assets in year 6, 0.10% in year 7 and 0.05% in year 8. For the period from the start of business, November 28, 2003 to December 31, 2003 the Investment Adviser waived $107,057 of its advisory fee.

Certain officers and Trustees of the Trust are officers of the above organization.

4: PURCHASES AND SALES OF INVESTMENTS

Purchases and sales of investments, other than short-term obligations, aggregated $521,000,979 and $24,338,749 respectively, for the period from the start of business, November 28, 2003 to December 31, 2003.


52

NOTES TO FINANCIAL STATEMENTS (UNAUDITED)

6: COMMON SHARES OF BENEFICIAL INTEREST

The Agreement and Declaration of Trust permits the Trustees to issue an unlimited number of full and fractional $0.01 par value common shares of beneficial interest. Transactions in common shares were as follows:

                                                                PERIOD ENDED
                                                              DECEMBER 31, 2003
                                                               (UNAUDITED)(1)
-------------------------------------------------------------------------------
Sales.......................................................      33,255,000
                                                                 -----------
NET INCREASE................................................      33,255,000
                                                                 ===========


(1) For the period from the start of business, November 28, 2003, to December 31, 2003.

7: FEDERAL INCOME TAX BASIS OF UNREALIZED APPRECIATION (DEPRECIATION)

The cost and unrealized appreciation (depreciation) in value of investments owned by the Trust at December 31, 2003, as computed on a federal income tax basis, were as follows:

AGGREGATE COST..............................................  $646,524,133
                                                              ============
Gross unrealized appreciation...............................  $  1,746,957
Gross unrealized depreciation...............................      (371,302)
                                                              ------------
NET UNREALIZED APPRECIATION.................................  $  1,375,655
                                                              ============

8: FINANCIAL INSTRUMENTS

The Trust may trade in financial instruments with off-balance sheet risk in the normal course of its investing activities to assist in managing exposure to various market risks. These financial instruments include written options and financial futures contracts and may involve, to a varying degree, elements of risk in excess of the amounts recognized for financial statement purposes. The notional or contractual amounts of these instruments represent the investment the Trust has in particular classes of financial instruments and does not necessarily represent the amounts potentially subject to risk. The measurement of the risks associated with these instruments is meaningful only when all related and offsetting transactions are considered. At December 31, 2003 there were no outstanding obligations under these financial instruments.


53

APPENDIX A: RATINGS

Description of securities ratings+
Moody's Investors Service, Inc.

LONG-TERM DEBT SECURITIES RATINGS

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

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

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

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

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

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

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

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

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


+ The ratings indicated herein are believed to be the most recent ratings available at the date of this SAI for the securities listed. Ratings are generally given to securities at the time of issuance. While the rating agencies may from time to time revise such ratings, they undertake no obligation to do so, and the ratings indicated do not necessarily represent ratings that would be given to these securities on the date of the Trust's fiscal year end.


A-1

DESCRIPTION OF SECURITIES RATINGS

Absence of Rating: Where no rating has been assigned or where a rating has been suspended or withdrawn, it may be for reasons unrelated to the quality of the issue.

Should no rating be assigned, the reason may be one of the following:

1. An application for rating was not received or accepted.

2. The issue or issuer belongs to a group of securities or companies that are not rated as a matter of policy.

3. There is a lack of essential data pertaining to the issue or issuer.

4. The issue was privately placed, in which case the rating is not published in Moody's publications.

Suspension or withdrawal may occur if new and material circumstances arise, the effects of which preclude satisfactory analysis; if there is no longer available reasonable up-to-date data to permit a judgment to be formed; if a bond is called for redemption; or for other reasons.

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

SHORT-TERM DEBT SECURITIES RATINGS
Moody's short-term debt ratings are opinions of the ability of issuers to repay punctually senior debt obligations. These obligations have an original maturity not exceeding one year, unless explicitly noted.

Moody's employs the following three designations, all judged to be investment grade, to indicate the relative repayment ability of rated issuers:

PRIME-1: Issuers rated Prime-1 (or supporting institutions) have a superior ability for repayment of senior short-term debt obligations. Prime-1 repayment ability will often be evidenced by many of the following characteristics:
leading market positions in well-established industries; high rates of return on funds employed; conservative capitalization structure with moderate reliance on debt and ample asset protection; broad margins in earnings coverage of fixed financial charges and high internal cash generation; and well-established access to a range of financial markets and assured sources of alternate liquidity.

PRIME-2: Issuers rated Prime-2 (or supporting institutions) have a strong ability for repayment of senior short-term debt obligations. This will normally be evidenced by many of the characteristics cited above but to a lesser degree. Earnings trends and coverage ratios, while sound, may be more subject to variation. Capitalization characteristics, while still appropriate, may be more affected by external conditions. Ample alternate liquidity is maintained.

PRIME-3: Issuers rated Prime-3 (or supporting institutions) have an acceptable ability for repayment of senior short-term obligations. The effect of industry characteristics and market compositions may be more pronounced. Variability in earnings and profitability may result in changes in the level of debt protection measurements and may require relatively high financial leverage. Adequate alternate liquidity is maintained.

NOT PRIME: Issuers rated Not Prime do not fall within any of the Prime rating categories.


A-2

DESCRIPTION OF SECURITIES RATINGS

STANDARD & POOR'S RATINGS GROUP

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

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

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

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

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

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

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

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

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

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

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

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


A-3

DESCRIPTION OF SECURITIES RATINGS

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

P: The letter "p" indicates that the rating is provisional. A provisional rating assumes the successful completion of the project being financed by the debt being rated and indicates that payment of debt service requirements is largely or entirely dependent upon the successful and timely completion of the project. This rating, however, while addressing credit quality subsequent to completion of the project, makes no comment on the likelihood of, or the risk of default upon failure of such completion. The investor should exercise his own judgment with respect to such likelihood and risk.

L: The letter "L" indicates that the rating pertains to the principal amount of those bonds to the extent that the underlying deposit collateral is insured by the Federal Deposit Insurance Corp. and interest is adequately collateralized. In the case of certificates of deposit, the letter "L" indicates that the deposit, combined with other deposits being held in the same right and capacity, will be honored for principal and accrued pre-default interest up to the federal insurance limits within 30 days after closing of the insured institution or, in the event that the deposit is assumed by a successor insured institution, upon maturity.

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

COMMERCIAL PAPER

COMMERCIAL PAPER RATING DEFINITIONS
S&P's commercial paper rating is a current assessment of the likelihood of timely payment of debt having an original maturity of no more than 365 days. Ratings are graded into several categories, ranging from A for the highest quality obligations to D for the lowest. These categories are as follows:

A-1: A short-term obligation rated A-1 is rated in the highest category by S&P. The obligor's capacity to meet its financial commitment on the obligation is strong. Within this category, certain obligations are designated with a plus sign (+). This indicates that the obligor's capacity to meet its financial commitment on these obligations is extremely strong.

A-2: A short-term obligation rated A-2 is somewhat more susceptible to the adverse effects of changes in circumstances and economic conditions than obligations in higher rating categories. However, the obligor's capacity to meet its financial commitment on the obligation is satisfactory.

A-3: A short-term obligation rated A-3 exhibits adequate protection parameters. However, adverse economic conditions or changing circumstances are more likely to lead to a weakened capacity of the obligor to meet its financial commitment on the obligation.

B: A short-term obligation rated B is regarded as having significant speculative characteristics. The obligor currently has the capacity to meet its financial commitment on the obligation; however, it faces major ongoing uncertainties which could lead to the obligor's inadequate capacity to meet its financial commitment on the obligation.

C: A short-term obligation rated C is currently vulnerable to nonpayment and is dependent upon favorable business, financial, and economic conditions for the obligor to meet its financial commitment on the obligation.

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


A-4

DESCRIPTION OF SECURITIES RATINGS

A commercial paper rating is not a recommendation to purchase, sell or hold a security inasmuch as it does not comment as to market price or suitability for a particular investor. The ratings are based on current information furnished to S&P by the issuer or obtained from other sources it considers reliable. S&P does not perform an audit in connection with any rating and may, on occasion, rely on unaudited financial information. The ratings may be changed, suspended, or withdrawn as a result of changes in or unavailability of such information.

FITCH RATINGS

INVESTMENT GRADE BOND RATINGS
AAA: Bonds considered to be investment grade and of the highest credit quality. The obligor has an exceptionally strong ability to pay interest and repay principal, which is unlikely to be affected by reasonably foreseeable events.

AA: Bonds considered to be investment grade and of very high credit quality. The obligor's ability to pay interest and repay principal is very strong, although not quite as strong as bonds rated "AAA". Because bonds rated in the "AAA" and "AA" categories are not significantly vulnerable to foreseeable future developments, short-term debt of these issuers is generally rated "F-1+".

A: Bonds considered to be investment grade and of high credit quality. The obligor's ability to pay interest and repay principal is considered to be strong, but may be more vulnerable to adverse changes in economic conditions and circumstances than bonds with higher ratings.

BBB: Bonds considered to be investment grade and of satisfactory credit quality. The obligor's ability to pay interest and repay principal is considered to be adequate. Adverse changes in economic conditions and circumstances, however, are more likely to have adverse impact on these bonds, and therefore, impair timely payment. The likelihood that the ratings of these bonds will fall below investment grade is higher than for bonds with higher ratings.

HIGH YIELD BOND RATINGS
BB: Bonds are considered speculative. The obligor's ability to pay interest and repay principal may be affected over time by adverse economic changes. However, business and financial alternatives can be identified that could assist the obligor in satisfying its debt service requirements.

B: Bonds are considered highly speculative. While bonds in this class are currently meeting debt service requirements, the probability of continued timely payment of principal and interest reflects the obligor's limited margin of safety and the need for reasonable business and economic activity throughout the life of the issue.

CCC: Bonds have certain identifiable characteristics, which, if not remedied, may lead to default. The ability to meet obligations requires an advantageous business and economic environment.

CC: Bonds are minimally protected. Default in payment of interest and/or principal seems probable over time.

C: Bonds are in imminent default in payment of interest or principal.

DDD, DD AND D: Bonds are in default on interest and/or principal payments. Such bonds are extremely speculative and should be valued on the basis of their ultimate recovery value in liquidation or reorganization of the obligor. "DDD" represents the highest potential for recovery on these bonds, and "D" represents the lowest potential for recovery.

PLUS (+) OR MINUS (-): The ratings from AA to C may be modified by the addition of a plus or minus sign to indicate the relative position of a credit within the rating category.

NR: Indicates that Fitch does not rate the specific issue.


A-5

DESCRIPTION OF SECURITIES RATINGS

CONDITIONAL: A conditional rating is premised on the successful completion of a project or the occurrence of a specific event.

INVESTMENT GRADE SHORT-TERM RATINGS
Fitch's short-term ratings apply to debt obligations that are payable on demand or have original maturities of generally up to three years, including commercial paper, certificates of deposit, medium-term notes, and municipal and investment notes.

F-1+: Exceptionally Strong Credit Quality. Issues assigned this rating are regarded as having the strongest degree of assurance for timely payment.

F-1: Very Strong Credit Quality. Issues assigned this rating reflect an assurance of timely payment only slightly less in degree than issues rated "F-1+".

F-2: Good Credit Quality. Issues carrying this rating have a satisfactory degree of assurance for timely payment, but the margin of safety is not as great as the "F-1+" and "F-1" categories.

F-3: Fair Credit Quality. Issues carrying this rating have characteristics suggesting that the degree of assurance for timely payment is adequate, however, near-term adverse change could cause these securities to be rated below investment grade.

* * * * * * * *

Notes: Bonds which are unrated expose the investor to risks with respect to capacity to pay interest or repay principal which are similar to the risks of lower-rated speculative bonds. The Trust is dependent on the Adviser's judgment, analysis and experience in the evaluation of such bonds.

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


A-6

EXHIBIT 99.(b)(4)

APPENDIX B: AMENDED BY-LAWS

EATON VANCE SENIOR FLOATING-RATE TRUST

AMENDMENT NO. 1 TO BY-LAWS--STATEMENT

CREATING FOUR SERIES OF

AUCTION PREFERRED SHARES

WHEREAS, Section 5.1 of Article VI of the Agreement and Declaration of Trust dated August 5, 2003 of Eaton Vance Senior Floating-Rate Trust (the "Declaration of Trust"), a copy of which is on file in the office of the Secretary of the Commonwealth of The Commonwealth of Massachusetts, provides that the Trustees may, without shareholder approval, authorize one or more classes of shares (which classes may be divided into two or more series), shares of each such class or series having such preferences, voting powers, restrictions, limitations as to dividends, qualifications, and terms and conditions of redemption, as the Trustees may determine and as shall be set forth in the By-laws; and

WHEREAS, pursuant to authority expressly vested in the Trustees of the Trust by
Section 5.1 of Article VI of the Declaration of Trust, the Trustees have authorized, in addition to that Trust's common shares, a class of 15,760 preferred shares which are now to be issued divided into one series of 3,940 shares, one series of 3,940 shares, one series of 3,940 shares, and one series of 3,940 shares of its authorized preferred shares, $0.01 par value, liquidation preference $25,000 per share plus accumulated but unpaid dividends thereon, if any (whether or not earned or declared), plus the premium, if any, resulting from the designation of a Premium Call Period, designated respectively Series A Auction Preferred Shares, Series B Auction Preferred Shares, Series C Auction Preferred Shares, and Series D Auction Preferred Shares.

NOW, THEREFORE, the By-laws of Eaton Vance Senior Floating-Rate Trust are hereby amended as follows:

1. ARTICLES VII through XIII shall be redesignated as ARTICLES VIII through XIV and all affected cross references therein hereby are amended accordingly.

2. A new ARTICLE VII shall be added as follows:

ARTICLE VII

STATEMENT CREATING FOUR SERIES OF AUCTION PREFERRED SHARES
DESIGNATION

Auction Preferred Shares, Series A: 3,940 shares of beneficial interest of Preferred Shares, par value $0.01 per share, liquidation preference $25,000 per share plus an amount equal to accumulated but unpaid dividends (whether or not earned or declared) thereon, is hereby designated "Auction Preferred Shares, Series A." Each share of Auction Preferred Shares, Series A (sometimes referred to herein as "Series A APS") may be issued on a date to be determined by the Board of Trustees of the Trust or pursuant to their delegated authority; have an Initial Dividend Rate and an Initial Dividend Payment Date as shall be determined in advance of the issuance thereof by the Board of Trustees of the Trust or pursuant to their delegated authority; and have such other preferences, voting powers, limitations as to dividends, qualifications and terms and conditions of redemption as are set forth in these Amended By-Laws. The Series A APS shall constitute a separate series of Preferred Shares of the Trust, and each share of Series A APS shall be identical.

Auction Preferred Shares, Series B: 3,940 shares of beneficial interest of Preferred Shares, par value $0.01 per share, liquidation preference $25,000 per share plus an amount equal to accumulated but unpaid dividends (whether or not earned or declared) thereon, is hereby designated "Auction Preferred


B-1

Shares, Series B." Each share of Auction Preferred Shares, Series B (sometimes referred to herein as "Series B APS") may be issued on a date to be determined by the Board of Trustees of the Trust or pursuant to their delegated authority; have an Initial Dividend Rate and an Initial Dividend Payment Date as shall be determined in advance of the issuance thereof by the Board of Trustees of the Trust or pursuant to their delegated authority; and have such other preferences, voting powers, limitations as to dividends, qualifications and terms and conditions of redemption as are set forth in these Amended By-Laws. The Series B APS shall constitute a separate series of Preferred Shares of the Trust, and each share of Series B APS shall be identical.

Auction Preferred Shares, Series C: 3,940 shares of beneficial interest of Preferred Shares, par value $0.01 per share, liquidation preference $25,000 per share plus an amount equal to accumulated but unpaid dividends (whether or not earned or declared) thereon, is hereby designated "Auction Preferred Shares, Series C." Each share of Auction Preferred Shares, Series C (sometimes referred to herein as "Series C APS") may be issued on a date to be determined by the Board of Trustees of the Trust or pursuant to their delegated authority; have an Initial Dividend Rate and an Initial Dividend Payment Date as shall be determined in advance of the issuance thereof by the Board of Trustees of the Trust or pursuant to their delegated authority; and have such other preferences, voting powers, limitations as to dividends, qualifications and terms and conditions of redemption as are set forth in these Amended By-Laws. The Series C APS shall constitute a separate series of Preferred Shares of the Trust, and each share of Series C APS shall be identical.

Auction Preferred Shares, Series D: 3,940 shares of beneficial interest of Preferred Shares, par value $0.01 per share, liquidation preference $25,000 per share plus an amount equal to accumulated but unpaid dividends (whether or not earned or declared) thereon, is hereby designated "Auction Preferred Shares, Series D." Each share of Auction Preferred Shares, Series D (sometimes referred to herein as "Series D APS") may be issued on a date to be determined by the Board of Trustees of the Trust or pursuant to their delegated authority; have an Initial Dividend Rate and an Initial Dividend Payment Date as shall be determined in advance of the issuance thereof by the Board of Trustees of the Trust or pursuant to their delegated authority; and have such other preferences, voting powers, limitations as to dividends, qualifications and terms and conditions of redemption as are set forth in these Amended By-Laws. The Series D APS shall constitute a separate series of Preferred Shares of the Trust, and each share of Series D APS shall be identical. The Series A APS, the Series B APS, the Series C APS, and the Series D APS are sometimes collectively referred to herein as the "APS."

1. DEFINITIONS. (a) Unless the context or use indicates another or different meaning or intent, in these Amended By-Laws the following terms have the following meanings, whether used in the singular or plural:

"28-Day Dividend Period" means a Dividend Period consisting of 28 days.

"1940 Act" means the Investment Company Act of 1940, as amended from time to time.

"1940 Act APS Asset Coverage" means asset coverage, as defined in section 18(h) of the 1940 Act, of at least 200% with respect to all outstanding senior securities of the Trust which are shares of beneficial interest, including all outstanding shares of APS and other Preferred Shares (or such other asset coverage as may in the future be specified in or under the 1940 Act as the minimum asset coverage for senior securities which are shares of beneficial interest of a closed-end investment company as a condition of paying dividends on its Common Shares).

"1940 Act Cure Date," with respect to the failure by the Trust to maintain the 1940 Act APS Asset Coverage (as required by paragraph 6 of these Amended By-Laws) as of the last Business Day of each month, means the last Business Day of the following month.

"'AA' Financial Composite Commercial Paper Rate," on any date of determination, means (i) the Interest Equivalent of the rate on commercial paper placed on behalf of issuers whose corporate bonds are rated "AA" by Fitch or "Aa" by Moody's or the equivalent of such rating by another Rating


B-2

Agency, as such rate is made available on a discount basis or otherwise by the Federal Reserve Bank of New York for the Business Day immediately preceding such date, or (ii) in the event that the Federal Reserve Bank of New York does not make available such a rate, then the arithmetic average of the Interest Equivalent of the rate on commercial paper placed on behalf of such issuers, as quoted on a discount basis or otherwise by UBS Securities LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated or their successors that are Commercial Paper Dealers, to the Auction Agent for the close of business on the Business Day immediately preceding such date. If one of the Commercial Paper Dealers does not quote a rate required to determine the "AA" Financial Composite Commercial Paper Rate, the "AA" Financial Composite Commercial Paper Rate will be determined on the basis of the quotation or quotations furnished by any Substitute Commercial Paper Dealer or Substitute Commercial Paper Dealers selected by the Trust to provide such rate or rates not being supplied by the Commercial Paper Dealer. If the number of Dividend Period days shall be (i) 7 or more but fewer than 49 days, such rate shall be the Interest Equivalent of the 30-day rate on such commercial paper; (ii) 49 or more but fewer than 70 days, such rate shall be the Interest Equivalent of the 60-day rate on such commercial paper; (iii) 70 or more days but fewer than 85 days, such rate shall be the arithmetic average of the Interest Equivalent on the 60-day and 90-day rates on such commercial paper; (iv) 85 or more days but fewer than 99 days, such rate shall be the Interest Equivalent of the 90-day rate on such commercial paper;
(v) 99 or more days but fewer than 120 days, such rate shall be the arithmetic average of the Interest Equivalent of the 90-day and 120-day rates on such commercial paper; (vi) 120 or more days but fewer than 141 days, such rate shall be the Interest Equivalent of the 120-day rate on such commercial paper; (vii) 141 or more days but fewer than 162 days, such rate shall be the arithmetic average of the Interest Equivalent of the 120-day and 180-day rates on such commercial paper; and (viii) 162 or more days but fewer than 183 days, such rate shall be the Interest Equivalent of the 180-day rate on such commercial paper.

"Accountant's Confirmation" has the meaning set forth in paragraph 7(c) of these Amended By-Laws.

"Adviser" means the Trust's investment adviser, which initially shall be Eaton Vance Management.

"Affiliate" means any person known to the Auction Agent to be controlled by, in control of or under common control with the Trust; provided that Eaton Vance Management shall not be deemed to be an Affiliate nor shall any corporation or any person controlled by, in control of or under common control with such entity, one of the trustees, directors or executive officers of which is also a trustee, director or executive officer of the Trust, be deemed to be an Affiliate.

"Agent Member" means a member of the Securities Depository that will act on behalf of a Beneficial Owner of one or more shares of APS or a Potential Beneficial Owner.

"All Hold Rate" means 80% of the "AA" Financial Composite Commercial Paper Rate.

"Amended By-Laws" means the By-Laws of the Trust, as amended by this Statement creating the APS and as may otherwise be amended from time-to-time.

"Applicable Percentage" has the meaning set forth in paragraph 10(a)(vii) of these Amended By-Laws.

"Applicable Rates" means the rates per annum at which cash dividends are payable on each Series of APS or Other APS, as the case may be, for any Dividend Period.

"Approved Price" means the "fair value" as determined by the Trust in accordance with the valuation procedures adopted from time to time by the Board of Trustees of the Trust and for which the Trust receives a marked-to-market price (which, for the purpose of clarity, shall not mean Market Value) from an independent source at least semi-annually.

"APS" means, as the case may be, the Auction Preferred Shares.

"APS Basic Maintenance Amount," as of any Valuation Date, shall mean the dollar amount equal to the sum of (i)(A) the product of the number of Outstanding shares of each Series of APS on such date by the Liquidation Preference (and redemption premium, if any) per share of such Series; (B) the


B-3

aggregate amount of dividends that will have accumulated at the respective Applicable Rates (whether or not earned or declared) to (but not including) the first respective Dividend Payment Dates for each Series of APS Outstanding that follows such Valuation Date; (C) the aggregate amount of dividends that would accumulate on Outstanding Preferred Shares from such first Dividend Payment Dates therefor referenced in (B) of this paragraph through the 45th day after such Valuation Date at the respective Applicable Rates referenced in (B) of this paragraph; (D) the amount of anticipated non-interest expenses of the Trust for the 90 days subsequent to such Valuation Date; (E) the amount of the current outstanding balances of any indebtedness or obligations of the Trust senior in right of payment to the Preferred Shares plus interest actually accrued together with 30 days additional interest on the current outstanding balances calculated at the current rate; and (F) any other current liabilities payable during the 30 days subsequent to such Valuation Date, including, without limitation, indebtedness due within one year and any redemption premium due with respect to the Preferred Shares for which a Notice of Redemption has been sent, as of such Valuation Date, to the extent not reflected in any of (i)(A) through (i)(E) (including, without limitation, any liabilities incurred for the purpose of clearing securities transactions) less (ii) the sum of any cash plus the value of any of the Trust's assets irrevocably deposited by the Trust for the payment of any of (i)(A) through (i)(F) ("value," for purposes of this clause (ii), means the Discounted Value of the security, except that if the security matures prior to the relevant redemption payment date and is either fully guaranteed by the U.S. Government or is rated P2 by Moody's and A2 by Fitch, it will be valued at its face value).

"APS Basic Maintenance Amount Test" means a test which is met if: (a) the aggregate Discounted Values of the Moody's Eligible Assets meets or exceeds 1.2 times the APS Basic Maintenance Amount and (b) the aggregate Discounted Values of the Fitch Eligible Assets meets or exceeds 1.0 times the APS Basic Maintenance Amount.

"APS Basic Maintenance Cure Date," with respect to the failure by the Trust to satisfy the APS Basic Maintenance Amount (as required by paragraph 7(a) of these Amended By-Laws) as of a given Valuation Date, means the second Business Day following such Valuation Date.

"APS Basic Maintenance Report" means a report signed by any of the President, Treasurer, any Senior Vice President or any Vice President of the Trust which sets forth, as of the related Valuation Date, the assets of the Trust, the Market Value and the Discounted Value thereof (seriatim and in aggregate), and the APS Basic Maintenance Amount.

"Auction" means a periodic operation of the Auction Procedures.

"Auction Agent" means Deutsche Bank Trust Company Americas unless and until another commercial bank, trust company or other financial institution appointed by a resolution of the Board of Trustees of the Trust or a duly authorized committee thereof enters into an agreement with the Trust to follow the Auction Procedures for the purpose of determining the Applicable Rate and to act as transfer agent, registrar, dividend disbursing agent and redemption agent for the APS and Other APS.

"Auction Procedures" means the procedures for conducting Auctions set forth in paragraph 10 of this Article VII, of these Amended By-Laws.

"Beneficial Owner" means a customer of a Broker-Dealer who is listed on the records of that Broker-Dealer (or, if applicable, the Auction Agent) as a holder of shares of APS or a Broker-Dealer that holds APS for its own account.

"Broker-Dealer" means any broker-dealer, or other entity permitted by law to perform the functions required of a Broker-Dealer in paragraph 10 of this Article VII, of these Amended By-Laws, that has been selected by the Trust and has entered into a Broker-Dealer Agreement with the Auction Agent that remains effective.

"Broker-Dealer Agreement" means an agreement between the Auction Agent and a Broker-Dealer pursuant to which such Broker-Dealer agrees to follow the procedures specified in paragraph 10 of this Article VII, of these Amended By-Laws.


B-4

"Business Day" means a day on which The New York Stock Exchange is open for trading and which is not a Saturday, Sunday or other day on which banks in The City of New York are authorized or obligated by law to close.

"Code" means the Internal Revenue Code of 1986, as amended.

"Commercial Paper Dealers" means UBS Securities LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated and such other commercial paper dealer or dealers as the Trust may from time to time appoint, or, in lieu of any thereof, their respective affiliates or successors.

"Common Shares" means the shares of beneficial interest designated as common shares, par value $0.01 per share, of the Trust.

"Credit Default Swap" has the meaning as defined under "Swap."

"Date of Original Issue" means, with respect to any share of APS or Other APS, the date on which the Trust originally issues such share.

"Declaration of Trust" means the Agreement and Declaration of Trust, as amended and supplemented (including these Amended By-Laws), of the Trust.

"Deposit Securities" means cash and Senior Loans rated at least A2 (having a remaining maturity of 12 months or less), P-1, VMIG-1 or MIG-1 by Moody's or A (having a remaining maturity of 12 months or less), F-1+ by Fitch.

"Discounted Value" as of any Valuation Date, means (i) with respect to an Fitch Eligible Asset, the quotient of the Market Value thereof divided by the applicable Fitch Discount Factor and (ii)(a) with respect to a Moody's Eligible Asset that is not currently callable as of such Valuation Date at the option of the issuer thereof, the quotient of the Market Value thereof divided by the applicable Moody's Discount Factor, or (b) with respect to a Moody's Eligible Asset that is currently callable as of such Valuation Date at the option of the issuer thereof, the quotient of (1) the lesser of the Market Value or call price thereof, including any call premium, divided by (2) the applicable Moody's Discount Factor.

"Dividend Payment Date," with respect to APS, has the meaning set forth in paragraph 2(b)(i) of these Amended By-Laws and, with respect to Other APS, has the equivalent meaning.

"Dividend Period" means the Initial Dividend Period, any 28-day Dividend Period and any Special Dividend Period.

"Existing Holder" means a Broker-Dealer or any such other Person as may be permitted by the Trust that is listed as the holder of record of shares of APS in the Share Books.

"Fitch" means Fitch Ratings and its successors at law.

"Fitch Discount Factor" means for purposes of determining the Discounted Value of any Fitch Eligible Asset, the percentage determined as follows. The Fitch Discount Factor for any Fitch Eligible Asset other than the securities set forth below will be the percentage provided in writing by Fitch.


B-5

(i) Corporate Debt Securities: The percentage determined by reference to the rating on such asset with reference to the remaining term to maturity of such asset, in accordance with the table set forth below.

DISCOUNT FACTORS FOR CORPORATE DEBT SECURITIES INCLUDING NON-INVESTMENT GRADE BONDS (NON-CONVERTIBLES)

TERMS TO MATURITY                                  AAA   AA     A    BBB   BB     B    NR(1)
-----------------                                  ---   ---   ---   ---   ---   ---   -----
1 year or less...................................  106   108   110   112   130   152    152
2 years or less (but longer than 1 year).........  106   108   110   112   130   152    152
3 years or less (but longer than 2 years)........  106   108   110   112   130   152    152
4 years or less (but longer than 3 years)........  111   113   115   117   134   152    152
5 years or less (but longer than 4 years)........  111   113   115   117   134   152    152
7 years or less (but longer than 5 years)........  114   116   118   120   136   152    152
10 years or less (but longer than 7 years).......  116   118   120   122   137   152    152
15 years or less (but longer than 10 years)......  120   122   124   124   139   152    152
30 years or less (but longer than 15 years)......  124   127   129   129   145   152    152
Greater than 30 years............................  124   127   129   129   145   152    152


(1) If a security is not rated by Fitch but is rated by two other Rating Agencies, then the lower of the ratings on the security from the two other Rating Agencies will be used to determine the Fitch Discount Factor (e.g., where the S&P rating is A and the Moody's rating is Baa, a Fitch rating of BBB will be used). If a security is not rated by Fitch but is rated by only one other Rating Agency, then the rating on the security from the other Rating Agency will be used to determine the Fitch Discount Factor (e.g., where the only rating on a security is an S&P rating of AAA, a Fitch rating of AAA will be used, and where the only rating on a security is a Moody's rating of Ba, a Fitch rating of BB will be used). If a security is not rated by any Rating Agency, the Trust will use the percentage set forth under "not rated" in this table. Securities rated below B by Fitch shall be traded the same as securities not rated by Fitch.

The Fitch Discount Factors presented in the immediately preceding table apply to corporate debt securities that are Performing and have a Market Value determined by a Pricing Service or an Approved Price. The Fitch Discount Factor noted in the table above for a debt security rated B by Fitch shall apply to any non-Performing debt security with a price equal to or greater than $0.90. The Fitch Discount Factor noted in the table above for a debt security rated CCC by Fitch shall apply to any non-Performing debt security with a price less than $0.90 but equal to or greater than $0.20. If a debt security does not have a Market Value determined by a Pricing Service or an Approved Price, a rating two rating categories below the actual rating on the debt security will be used (e.g., where the actual rating is A-, the rating for Debt Securities rated BB- will be used). The Fitch Discount Factor for a debt security issued by a limited partnership that is not a Rule 144A Security shall be the Discount Factor determined in accordance with the table set forth above multiplied by 105%.

The Fitch Discount Factors presented in the immediately preceding table will also apply to corporate obligations backed by a guaranty, a letter of credit or insurance issued by a third party. If the third-party credit rating is the basis for the rating on the obligation, then the rating on the third party will be used to determine the Fitch Discount Factor in the table.


B-6

(ii) Preferred stock: The percentage determined by references to the rating of a preferred stock in accordance with the table set forth below.

PREFERRED STOCK(1)                                             DISCOUNT FACTOR
------------------                                             ---------------
AAA.........................................................         130%
AA..........................................................         133%
A...........................................................         135%
BBB.........................................................         139%
BB..........................................................         154%
Not rated or below BB.......................................         161%
Investment Grade DRD........................................         164%
Not rated or below Investment Grade DRD.....................         200%


(1) If a security is not rated by Fitch but is rated by two other Rating Agencies, then the lower of the ratings on the security from the two other Rating Agencies will be used to determine the Fitch Discount Factor (e.g., where the S&P rating is A and the Moody's rating is Baa, a Fitch rating of BBB will be used). If a security is not rated by Fitch but is rated by only one other Rating Agency, then the rating on the security from the other Rating Agency will be used to determine the Fitch Discount Factor (e.g., where the only rating on a security is an S&P rating of AAA, a Fitch rating of AAA will be used, and where the only rating on a security is a Moody's rating of Ba, a Fitch rating of BB will be used). If a security is not rated by any Rating Agency, the Trust will use the percentage set forth under "not rated" in this table.

(iii) Convertible securities: The Fitch Discount Factor applied to convertible securities is (A) 200% for investment grade convertibles and (B) 222% for below investment grade convertibles so long as such convertible debt securities have neither (x) conversion premium greater than 100% nor (y) have a yield to maturity or yield to worst of greater than 15.00% above the relevant Treasury curve.

The Fitch Discount Factor applied to convertible debt securities which have conversion premiums of greater than 100% is (A) 152% for investment grade convertibles and (B) 179% for below investment grade convertibles so long as such convertible debt securities do not have a yield to maturity or yield to worst of greater than 15.00% above the relevant Treasury curve.

The Fitch Discount Factor applied to convertible debt securities which have a yield to maturity or yield to worse of greater than 15.00% above the relevant Treasury curve is 370%.

If a security is not rated by Fitch but is rated by two other Rating Agencies, then the lower of the ratings on the security from the two other Rating Agencies will be used to determine the Fitch Discount Factor (e.g., where the S&P rating is A and the Moody's rating is Baa, a Fitch rating of BBB will be used). If a security is not rated by Fitch but is rated by only one other Rating Agency, then the rating on the security from the other Rating Agency will be used to determine the Fitch Discount Factor (e.g., where the only rating on a security is an S&P rating of AAA, a Fitch rating of AAA will be used, and where the only rating on a security is a Moody's rating of Ba, a Fitch rating of BB will be used). If a security is not rated by any Rating Agency, the Trust will treat the security as if it were below investment grade.


B-7

(iv) U.S. Government Securities:

TIME REMAINING TO MATURITY                                     DISCOUNT FACTOR
--------------------------                                     ---------------
1 year or less..............................................        101.5%
2 years or less (but longer than 1 year)....................          103%
3 years or less (but longer than 2 years)...................          105%
4 years or less (but longer than 3 years)...................          107%
5 years or less (but longer than 4 years)...................          109%
7 years or less (but longer than 5 years)...................          112%
10 years or less (but longer than 7 years)..................          114%
15 years or less (but longer than 10 years).................          122%
20 years or less (but longer than 15 years).................          130%
25 years or less (but longer than 20 years).................          146%
Greater than 30 years.......................................          154%

(v) Short-Term Investments and Cash: The Fitch Discount Factor applied to short-term portfolio securities, including without limitation Debt Securities, Short Term Money Market Instruments and municipal debt obligations, will be (A) 100%, so long as such portfolio securities mature or have a demand feature at par exercisable within the Fitch Exposure Period; (B) 115%, so long as such portfolio securities mature or have a demand feature at par not exercisable within the Fitch Exposure Period; and (C) 125%, so long as such portfolio securities neither mature nor have a demand feature at par exercisable within the Fitch Exposure Period. A Fitch Discount Factor of 100% will be applied to cash.

(vi) Rule 144A Securities: The Fitch Discount Factor applied to Rule 144A Securities shall be the Discount Factor determined in accordance with the table above under Corporate Debt Securities in subsection (i) multiplied by 110% until such securities are registered under the Securities Act.

(vii) Senior Loans: The Fitch Discount Factor applied to senior, secured floating rate Loans made to corporate and other business entities ("Senior Loans") shall be the percentage specified in the table below opposite such Fitch Loan Category:

FITCH LOAN CATEGORY                                            DISCOUNT FACTOR
-------------------                                            ---------------
A...........................................................         115%
B...........................................................         130%
C...........................................................         152%
D...........................................................         370%

(viii) Futures and call options: For purposes of the APS Basic Maintenance Amount, futures held by the Trust and call options sold by the Trust shall not be included as Fitch Eligible Assets. However, such assets shall be valued at Market Value by subtracting the good faith margin and the maximum daily trading variance as of a Valuation Date. For call options purchased by the Trust, the Market Value of the call option will be included as Fitch Eligible Asset subject to a Fitch Discount Factor mutually agreed to between the Trust and Fitch based on the characteristics of the option contract such as its maturity and the underlying security of the contract.

(ix) Securities lending: The Trust may engage in securities lending in an amount not to exceed 15% of the Trust's total gross assets. For purposes of calculating the APS Basic Maintenance Amount, such securities lent shall be included as Fitch Eligible Assets with the appropriate Fitch Discount Factor applied to such lent security. The obligation to return such collateral shall not be included as an obligation/liability for purposes of calculating the APS Basic Maintenance Amount. However, the Fund may reinvest cash collateral for securities lent in conformity with its investment objectives and policies and the provisions of these bylaws. In such event, to the extent that securities lending collateral


B-8

received is invested by the Fund in assets that otherwise would be Fitch Eligible Assets and the value of such assets exceeds the amount of the Fund's obligation to return the collateral on a Valuation Date, such excess amount shall be included in the calculation of Fitch Eligible Assets by applying the applicable Fitch Discount Factor to this amount and adding the product to total Fitch Eligible Assets. Conversely, if the value of assets in which securities lending collateral has been invested is less then the amount of the Fund's obligation to return the collateral on a Valuation Date, such difference shall be included as an obligation/liability of the Fund for purposes of calculating the APS Basic Maintenance Amount. Collateral received by the Trust in a securities lending transaction and maintained by the Trust in the form received shall not be included as a Fitch Eligible Asset for purposes of calculating the APS Basic Maintenance Amount.

(x) Swaps (including Total Return Swaps, Interest Rate Swaps and Credit Default Swaps): Total Return and Interest Rate Swaps are subject to the following provisions:

If the Trust has an outstanding gain from a swap transaction on a Valuation Date, the gain will be included as a Fitch Eligible Asset subject to the Fitch Discount Factor on the counterparty to the swap transaction. At the time a swap is executed, the Trust will only enter into swap transactions where the counterparty has at least a Fitch rating of A- or Moody's rating of A3.

(A) Only the cumulative unsettled profit and loss from a Total Return Swap transaction will be calculated when determining the APS Basic Maintenance Amount. If the Trust has an outstanding liability from a swap transaction on a Valuation Date, the Trust counts such liability as an outstanding liability from the total Fitch Eligible Assets in calculating the APS Basic Maintenance Amount.

(B) In addition, for swaps other than Total Return Swaps, the Market Value of the position (positive or negative) will be included as a Fitch Eligible Asset. The aggregate notional value of all swaps will not exceed the Liquidation Preference of the Outstanding APS.

(C) (1) The underlying securities subject to a Credit Default Swap sold by the Trust will be subject to the applicable Fitch Discount Factor for each security subject to the swap;

(2) If the Trust purchases a Credit Default Swap and holds the underlying security, the Market Value of the Credit Default Swap and the underlying security will be included as a Fitch Eligible Asset subject to the Fitch Discount Factor assessed based on the counterparty risk; and

(3) The Trust will not include a Credit Default Swap as a Fitch Eligible Asset purchased by the Trust without the Trust holding the underlying security or when the Trust buys a Credit Default Swap for a basket of securities without holding all the securities in the basket.

"Fitch Eligible Asset" means:

(i) Cash (including interest and dividends due on assets rated (A) BBB or higher by Fitch or the equivalent by another Rating Agency if the payment date is within five (5) Business Days of the Valuation Date, (B) A or higher by Fitch or the equivalent by another Rating Agency if the payment date is within thirty days of the Valuation Date, and (C) A+ or higher by Fitch or the equivalent by another Rating Agency if the payment date is within the Fitch Exposure Period) and receivables for Fitch Eligible Assets sold if the receivable is due within five (5) Business Days of the Valuation Date, and if the trades which generated such receivables are settled within five (5) Business Days;

(ii) Short Term Money Market Instruments so long as (A) such securities are rated at least F1+ by Fitch or the equivalent by another Rating Agency, (B) in the case of demand deposits, time deposits and overnight funds, the supporting entity is rated at least A by Fitch or the equivalent by another Rating Agency, or (C) in all other cases, the supporting entity (1) is rated at least A by Fitch or the equivalent by another Rating Agency and the security matures within one month, (2) is rated at least A by Fitch or the equivalent by another Rating Agency and the security matures within three months or (3) is rated at least AA by Fitch or the equivalent by another Rating Agency and the security matures within six months;


B-9

(iii) U.S. Government Securities;

(iv) Debt securities if such securities have been registered under the Securities Act or are restricted as to resale under federal securities laws but are eligible for resale pursuant to Rule 144A under the Securities Act as determined by the Trust's Adviser acting pursuant to procedures approved by the Board of Trustees of the Trust; and such securities are issued by (1) a U.S. corporation, limited liability company or limited partnership, (2) a corporation, limited liability company or limited partnership domiciled in Argentina, Australia, Brazil, Chile, France, Germany, Italy, Japan, Korea, Mexico, Spain or the United Kingdom or other country if Fitch does not inform the Trust that including debt securities from such foreign country will adversely impact Fitch's rating of the APS (the "Approved Foreign Nations"), (3) the government of any Approved Foreign Nation or any of its agencies, instrumentalities or political subdivisions (the debt securities of Approved Foreign Nation issuers being referred to collectively as "Foreign Bonds"), (4) a corporation, limited liability company or limited partnership domiciled in Canada or (5) the Canadian government or any of its agencies, instrumentalities or political subdivisions (the debt securities of Canadian issuers being referred to collectively as "Canadian Bonds"). Foreign Bonds held by the Trust will qualify as Fitch Eligible Assets only up to a maximum of 20% of the aggregate Market Value of all assets constituting Fitch Eligible Assets. Similarly, Canadian Bonds held by the Trust will qualify as Fitch Eligible Assets only up to a maximum of 20% of the aggregate Market Value of all assets constituting Fitch Eligible Assets. Notwithstanding the limitations in the two preceding sentences, Foreign Bonds and Canadian Bonds held by the Trust will qualify as Fitch Eligible Assets only up to a maximum of 30% of the aggregate Market Value of all assets constituting Fitch Eligible Assets. All debt securities satisfying the foregoing requirements and restrictions of this paragraph (iv) are herein referred to as "Debt Securities."

(v) Preferred stocks if (i) dividends on such preferred stock are cumulative,
(ii) such securities provide for the periodic payment of dividends thereon in cash in U.S. dollars or euros and do not provide for conversion or exchange into, or have warrants attached entitling the holder to receive equity capital at any time over the respective lives of such securities, (iii) the issuer of such a preferred stock has common stock listed on either the New York Stock Exchange or the American Stock Exchange, (iv) the issuer of such a preferred stock has a senior debt rating or preferred stock rating from Fitch of BBB- or higher or the equivalent rating by another Rating Agency. In addition, the preferred stocks issue must be at least $50 million;

(vi) Rule 144A Securities;

(vii) Interest Rate Swaps entered into according to International Swap Dealers Association ("ISDA") standards if (1) the counterparty to the swap transaction has a short-term rating of not less than F1 by Fitch or the equivalent by another Rating Agency, or, if the swap counterparty does not have a short-term rating, the counterparty's senior unsecured long-term debt rating is AA or higher by Fitch or the equivalent by another Rating Agency and (2) the original aggregate notional amount of the Interest Rate Swap transaction or transactions is not greater than the liquidation preference of the APS originally issued;

(viii) Swaps, including total return and Credit Default Swaps entered into according to ISDA;

(ix) Senior Loans; and

(x) Fitch Hedging Transactions.

Financial contracts, as such term is defined in Section 3(c)(2)(B)(ii) of the Investment Company Act, and other securities or assets not otherwise provided for in this definition may be included in Fitch Eligible Assets, but, with respect to any financial contract or other securities or assets, only upon receipt by the Trust of a writing from Fitch specifying any conditions on including such financial contract or other securities or assets in Fitch Eligible Assets and assuring the Trust that including such financial contract or other securities or assets in the manner so specified would not affect the credit rating assigned by Fitch to the APS.


B-10

Where the Trust sells an asset and agrees to repurchase such asset in the future, the Discounted Value of such asset will constitute a Fitch Eligible Asset and the amount the Trust is required to pay upon repurchase of such asset will count as a liability for the purposes of the APS Basic Maintenance Amount. Where the Trust purchases an asset and agrees to sell it to a third party in the future, cash receivable by the Trust thereby will constitute a Fitch Eligible Asset if the long-term debt of such other party is rated at least A- by Fitch or the equivalent by another Rating Agency and such agreement has a term of 30 days or less; otherwise the Discounted Value of such purchased asset will constitute a Fitch Eligible Asset.

Notwithstanding the foregoing, an asset will not be considered a Fitch Eligible Asset to the extent that it has been irrevocably deposited for the payment of
(i)(A) through (i)(E) under the definition of APS Basic Maintenance Amount or to the extent it is subject to any liens, except for (A) liens which are being contested in good faith by appropriate proceedings and which Fitch has indicated to the Trust will not affect the status of such asset as a Fitch Eligible Asset, (B) liens for taxes that are not then due and payable or that can be paid thereafter without penalty, (C) liens to secure payment for services rendered or cash advanced to the Trust by its Adviser, the Trust's custodian, transfer agent or registrar or the Auction Agent and (D) liens arising by virtue of any repurchase agreement.

FITCH DIVERSIFICATION LIMITATIONS:

Portfolio holdings as described below must be within the following diversification and issue size requirements in order to be included in Fitch's Eligible Assets:

                                       MAXIMUM SINGLE    MAXIMUM SINGLE     MINIMUM ISSUE SIZE
SECURITY RATED AT LEAST                  ISSUER(1)       INDUSTRY(1),(2)    ($ IN MILLION)(3)
-----------------------                --------------    ---------------    ------------------
AAA..................................       100%               100%                $100
AA-..................................        20                 75                  100
A-...................................        10                 50                  100
BBB-.................................         6                 25                  100
BB-..................................         4                 16                   50
B-...................................         3                 12                   50
CCC..................................         2                  8                   50


(1) Percentages represent a portion of the aggregate Market Value of corporate debt securities.

(2) Industries are determined according to Fitch's Industry Classifications, as defined herein.

(3) Preferred stock has a minimum issue size of $50 million, and mortgage pass throughs issued by the Federal Home Loan Mortgage Corporation ("FHLMC"), the Federal National Mortgage Association ("FNMA") or the Government National Mortgage Association ("GNMA"), which has no minimum issue size.

If a security is not rated by Fitch but is rated by two other Rating Agencies, then the lower of the ratings on the security from the two other Rating Agencies will be used to determine the Fitch Discount Factor (e.g., where the S&P rating is A and the Moody's rating is Baa, a Fitch rating of BBB will be used). If a security is not rated by Fitch but is rated by only one other Rating Agency, then the rating on the security from the other Rating Agency will be used to determine the Fitch Diversification Limitations (e.g., where the only rating on a security is an S&P rating of AAA, a Fitch rating of AAA will be used, and where the only rating on a security is a Moody's rating of Ba, a Fitch rating of BB will be used). If a security is not rated by any Rating Agency, the Trust will use the percentage set forth under "not rated" in this table.

"Fitch Exposure Period" means the period commencing on (and including) a given Valuation Date and ending 41 days thereafter.


B-11

"Fitch General Portfolio Requirements" means that the Trust's portfolio must meet the following diversification requirements: (a) no more than 25% by par value of the Trust's total assets can be invested in the securities of borrowers and other issuers having their principal business activities in the same Fitch Industry Classification; provided, that this limitation shall not apply with respect to U.S. Government Securities and provided further that for purposes of this subsection (a), the term "issuer" shall not include a lender selling a participation to the Trust or any other person interpositioned between such lender and the Trust with respect to a participation and (b) no more than 10% by par value of the Trust's total assets can be invested in securities of a single issuer, and provided further that for purposes of this subsection (b), the term "issuer" includes both the borrower under a loan agreement and the lender selling a participation to the Trust together with any other persons interpositioned between such lender and the Trust with respect to such participation.

"Fitch Hedging Transactions" means purchases or sales of exchange-traded financial futures contracts based on any index approved by Fitch, LIBOR or Treasury Bonds, and purchases, writings or sales of exchange-traded put options on such futures contracts, and purchases, writings or sales of exchange-traded call options on such financial futures contracts, and put and call options on such financial futures contracts ("Fitch Hedging Transactions"), subject to the following limitations:

(i) The Trust may not engage in any Fitch Hedging Transaction based on any index approved by Fitch (other than transactions that terminate a futures contract or option held by the Trust by the Trust's taking the opposite position thereto ("closing transactions")) that would cause the Trust at the time of such transaction to own or have sold outstanding financial futures contracts based on such index exceeding in number 10% of the average number of daily traded financial futures contracts based on such index in the 30 days preceding the time of effecting such transaction as reported by The Wall Street Journal.

(ii) The Trust will not engage in any Fitch Hedging Transaction based on Treasury Bonds or LIBOR (other than closing transactions) that would cause the Trust at the time of such transaction to own or have sold:

(A) Outstanding financial futures contracts based on Treasury Bonds or LIBOR with such contracts having an aggregate Market Value exceeding 60% of the aggregate Market Value of Fitch Eligible Assets owned by the Trust and at least rated AA by Fitch (or, if not rated by Fitch Ratings, rated at least Aa by Moody's; or, if not rated by Moody's, rated AAA by S&P); or

(B) Outstanding financial futures contracts based on Treasury Bonds or LIBOR with such contracts having an aggregate Market Value exceeding 40% of the aggregate Market Value of all Fitch Eligible Assets owned by the Trust (other than Fitch Eligible Assets already subject to a Fitch Hedging Transaction) and rated at least A or BBB by Fitch (or, if not rated by Fitch Ratings, rated at least Baa by Moody's; or, if not rated by Moody's, rated at least A or AA by S&P) (for purposes of the foregoing clauses (i) and (ii), the Trust shall be deemed to own futures contracts that underlie any outstanding options written by the Trust);

(iii) The Trust may engage in closing transactions to close out any outstanding financial futures contract based on any index approved by Fitch if the amount of open interest in such index as reported by The Wall Street Journal is less than an amount to be mutually determined by Fitch and the Trust.

(iv) The Trust may not enter into an option or futures transaction unless, after giving effect thereto, the Trust would continue to have Fitch Eligible Assets with an aggregate Discounted Value equal to or greater than the APS Shares Basic Maintenance Amount.


B-12

"Fitch Industry Classification" means, for the purposes of determining Fitch Eligible Assets, each of the following industry classifications:

FITCH INDUSTRY CLASSIFICATIONS                                SIC CODE (MAJOR GROUPS)
------------------------------                                -----------------------
Aerospace and Defense.......................................                37, 45
Automobiles.................................................                37, 55
Banking, Finance and Real Estate............................            60, 65, 67
Broadcasting and Media......................................                27, 48
Building and Materials......................................         15-17, 32, 52
Cable.......................................................                    48
Chemicals...................................................                28, 30
Computers and Electronics...................................                35, 36
Consumer Products...........................................                23, 51
Energy......................................................            13, 29, 49
Environmental Services......................................                    87
Farming and Agriculture.....................................              1-3, 7-9
Food, Beverage and Tobacco..................................            20, 21, 54
Gaming, Lodging and Restaurants.............................                70, 58
Health Care and Pharmaceuticals.............................            38, 28, 80
Industrial/Manufacturing....................................                    35
Insurance...................................................                63, 64
Leisure and Entertainment...................................                78, 79
Metals and Mining...........................................    10, 12, 14, 33, 34
Miscellaneous...............................................         50, 72-76, 99
Paper and Forest Products...................................             8, 24, 26
Retail......................................................            53, 56, 59
Sovereign...................................................                    NA
Supermarkets and Drug Stores................................                    54
Telecommunications..........................................                    48
Textiles and Furniture......................................        22, 25, 31, 57
Transportation..............................................             40, 42-47
Utilities...................................................                    49
Structured Finance Obligations..............................                    NA
Packaging and Containers....................................            26, 32, 34
Business Services...........................................                73, 87

The Trust shall use its discretion in determining which industry classification is applicable to a particular investment.

"Fitch Loan Category" means the following four categories (and, for purposes of this categorization, the Market Value of a Fitch Eligible Asset trading at par is equal to $1.00):

(i) "Fitch Loan Category A" means Performing Loans which have a Market Value or an Approved Price greater than or equal to $0.90.

(ii) "Fitch Loan Category B" means: (A) Performing Loans which have a Market Value or an Approved Price of greater than or equal to $0.80 but less than $0.90; and (B) non-Performing Loans which have a Market Value or an Approved Price greater than or equal to $0.85.


B-13

(iii) "Fitch Loan Category C" means: (A) Performing Loans which have a Market Value or an Approved Price of greater than or equal to $0.70 but less than $0.80; (B) non-Performing Loans which have a Market Value or an Approved Price of greater than or equal to $0.75 but less than $0.85; and (C) Performing Loans without an Approved Price rated BB- or higher by Fitch. If a security is not rated by Fitch but is rated by two other Rating Agencies, then the lower of the ratings on the security from the two other Rating Agencies will be used to determine the Fitch Discount Factor (e.g., where the S&P rating is A- and the Moody's rating is Baa1, a Fitch rating of BBB+ will be used). If a security is not rated by Fitch but is rated by only one other Rating Agency, then the rating on the security from the other Rating Agency will be used to determine the Fitch Discount Factor (e.g., where the only rating on a security is an S&P rating of AAA-, a Fitch rating of AAA- will be used, and where the only rating on a security is a Moody's rating of Ba3, a Fitch rating of BB- will be used).

(iv) "Fitch Loan Category D" means Loans not described in any of the foregoing categories.

Notwithstanding any other provision contained above, for purposes of determining whether a Fitch Eligible Asset falls within a specific Fitch Loan Category, to the extent that any Fitch Eligible Asset would fall within more than one of the Fitch Loan Categories, such Fitch Eligible Asset shall be deemed to fall into the Fitch Loan Category with the lowest applicable Fitch Discount Factor.

"Holder" means a Person identified as a holder of record of shares of APS in the Share Register.

"Independent Accountant" means a nationally recognized accountant, or firm of accountants, that is, with respect to the Trust, an independent public accountant or firm of independent public accountants under the Securities Act.

"Initial Dividend Payment Date" means the Initial Dividend Payment Date as determined by the Board of Trustees of the Trust or their designee with respect to each series of APS or Other APS, as the case may be.

"Initial Dividend Period" has the meaning set forth in paragraph 2(c)(i) of this Article VII, of these Amended By-Laws and, with respect to Other APS, has the equivalent meaning.

"Initial Dividend Rate" means the rate per annum established by the Board of Trustees or their designee, applicable to the Initial Dividend Period for such series of APS and, with respect to Other APS, has the equivalent meaning.

"Initial Margin" means the amount of cash or securities deposited with a broker as a margin payment at the time of purchase or sale of a futures contract.

"Interest Equivalent" means a yield on a 360-day basis of a discount basis security which is equal to the yield on an equivalent interest-bearing security.

"Interest Rate Swaps" has the meaning as defined under "Swap."

"LIBOR" means the London Interbank Offered Rate.

"Loan" means any assignment of or participation in any bank loan denominated in U.S. dollars including term loans, the funded and unfunded portions of revolving credit lines (provided that the Trust shall place in reserve an amount equal to any unfunded portion of any revolving credit line) and debtor-in possession financings; provided that such loan (a) is not extended for the purpose of purchasing or carrying any margin stock and (b) is similar to those typically made, syndicated, purchased or participated in by a commercial bank in the ordinary course of business.

"Long Term Dividend Period" means a Special Dividend Period consisting of a specified period of one whole year or more but not greater than five years.


B-14

"Mandatory Redemption Price" means $25,000 per share of APS plus an amount equal to accumulated but unpaid dividends (whether or not earned or declared) to the date fixed for redemption and excluding Additional Dividends.

"Market Value" of any asset of the Trust shall be the market value thereof determined by the Pricing Service or by the Trust in accordance with procedures approved by the Board of Trustees. Market Value of any asset shall include any interest accrued thereon. The Pricing Service or the Trust shall value portfolio securities at the quoted bid prices or the mean between the quoted bid and asked price or the yield equivalent when quotations are not readily available. Securities for which quotations are not readily available shall be valued at fair value as determined by the Pricing Service or the Trust using methods which include consideration of: yields or prices of obligations of comparable quality, type of issue, coupon, maturity and rating; indications as to value from dealers; and general market conditions. The Pricing Service or the Trust may employ electronic data processing techniques and/or a matrix system to determine valuations. At the Trust's discretion, in the event the Pricing Service is unable to value a security, the security shall be valued at the lower of two dealer bids obtained by the Trust from dealers who are members of the National Association of Securities Dealers, Inc. and who make a market in the security, at least one of which shall be in writing. Futures contracts and options are valued at closing prices for such instruments established by the exchange or board of trade on which they are traded, or if market quotations are not readily available, are valued at fair value on a consistent basis using methods determined in good faith by the Board of Trustees.

"Maximum Applicable Rate," with respect to APS, has the meaning set forth in paragraph 10(a)(vii) of this Article VII, of these Amended By-Laws and, with respect to Other APS, has the equivalent meaning.

"Monthly Valuation Date" means the last Business Day of each month in each fiscal year of the Trust, commencing from the Date of Original Issue.

"Moody's" means Moody's Investors Service, Inc., a Delaware corporation, and its successors.

"Moody's Discount Factor" means for purposes of determining the Discounted Value of any Moody's Eligible Asset, the percentage determined as follows. The Moody's Discount Factor for any Moody's Eligible Asset other than the securities set forth below will be the percentage provided in writing by Moody's.


B-15

(i) Corporate debt securities: The percentage determined by reference to the rating on such asset with reference to the remaining term to maturity of such asset, in accordance with the table set forth below.

DISCOUNT FACTORS FOR CORPORATE DEBT SECURITIES INCLUDING NON-INVESTMENT GRADE BONDS
(NON-CONVERTIBLES)

TERMS TO MATURITY OF NON-INVESTMENT GRADE BONDS  AAA   AA     A    BAA   BA     B    NR(1)
-----------------------------------------------  ---   ---   ---   ---   ---   ---   -----
1 year or less................................   109   112   115   118   137   150    250
2 years or less (but longer than 1 year)......   115   118   122   125   146   160    250
3 years or less (but longer than 2 years).....   120   123   127   131   153   168    250
4 years or less (but longer than 3 years).....   126   129   133   138   161   176    250
5 years or less (but longer than 4 years).....   132   135   139   144   168   185    250
7 years or less (but longer than 5 years).....   139   143   147   152   179   197    250
10 years or less (but longer than 7 years)....   145   150   155   160   189   208    250
15 years or less (but longer than 10 years)...   150   155   160   165   196   216    250
20 years or less (but longer than 15 years)...   150   155   160   165   196   228    250
30 years or less (but longer than 20 years)...   150   155   160   165   196   229    250
Greater than 30 years.........................   165   173   181   189   205   240    250


(1) Unless conclusions regarding liquidity risk as well as estimates of both the probability and severity of default for the Fund's assets can be derived from other sources, securities rated below B by Moody's and unrated securities, which are securities rated by neither Moody's, S&P nor Fitch, are limited to 10% of Moody's Eligible Assets. If a corporate, municipal or other debt security is unrated by Moody's, S&P or Fitch, the Fund will use the percentage set forth under "Below B and Unrated" in this table. Ratings assigned by S&P or Fitch are generally accepted by Moody's at face value. However, adjustments to face value may be made to particular categories of credits for which the S&P and/or Fitch rating does not seem to approximate a Moody's rating equivalent.

The Moody's Discount Factors presented in the immediately preceding table will also apply to corporate debt securities that do not pay interest in U.S. dollars or euros, provided that the Moody's Discount Factor determined from the table shall be multiplied by a factor of 1.20% for purposes of calculating the Discounted Value of such securities.

(ii) Preferred stock: The Moody's Discount Factor for preferred stock shall be (A) for preferred stocks issued by a utility, 155%; (B) for preferred stocks of industrial and financial issuers, 197%; and (C) for auction rate preferred stocks and all other preferred stocks, 350%.

(iii) Short-term instruments: The Moody's Discount Factor applied to short-term portfolio securities, including without limitation corporate debt securities, Short Term Money Market Instruments and municipal debt obligations, will be (A) 100%, so long as such portfolio securities mature or have a demand feature at par exercisable within the Moody's Exposure Period; (B) 115%, so long as such portfolio securities mature or have a demand feature at par not exercisable within the Moody's Exposure Period; and (C) 125%, if such securities are not rated by Moody's, so long as such portfolio securities are rated at least A-1+/AA or SP-1+/AA by S&P and mature or have a demand feature at par exercisable within the Moody's Exposure Period. A Moody's Discount Factor of 100% will be applied to cash.

(v) Rule 144A Securities: The Moody's Discount Factor applied to Rule 144A Securities for Rule 144A Securities whose terms include rights to registration under the Securities Act within one year and Rule 144A Securities which do not have registration rights within one year will be 120% and 130%, respectively, of the Moody's Discount Factor which would apply were the securities registered under the Securities Act.


B-16

(vi) Senior Loans: The Moody's Discount Factor applied to Senior Loans shall be the percentage specified in the table below opposite such Moody's Loan Category:

MOODY'S LOAN CATEGORY                                         DISCOUNT FACTOR
---------------------                                         ---------------
A...........................................................        118%
B...........................................................        137%
C...........................................................        161%
D...........................................................        222%

"Moody's Eligible Asset" means:

(i) Cash (including interest and dividends due on assets rated (A) Baa3 or higher by Moody's or the equivalent by another Rating Agency if the payment date is within five (5) Business Days of the Valuation Date, (B) A2 or higher by Moody's or the equivalent by another Rating Agency if the payment date is within thirty days of the Valuation Date, and (C) A1 or higher by Moody's or the equivalent by another Rating Agency if the payment date is within the Moody's Exposure Period) and receivables for Moody's Eligible Assets sold if the receivable is due within five (5) Business Days of the Valuation Date, and if the trades which generated such receivables are (A) settled through clearing house firms with respect to which the Trust has received prior written authorization from Moody's or (B) (1) with counterparties having a Moody's long-term debt rating of at least Baa3 or the equivalent by another Rating Agency or (2) with counterparties having a Moody's Short Term Money Market Instrument rating of at least P-1or the equivalent by another Rating Agency;

(ii) Short Term Money Market Instruments, so long as (A) such securities are rated at least P-1 or the equivalent by another Rating Agency, (B) in the case of demand deposits, time deposits and overnight funds, the supporting entity is rated at least A2 or the equivalent by another Rating Agency, or (C) in all other cases, the supporting entity (1) is rated A2 or the equivalent by another Rating Agency and the security matures within one month, (2) is rated A1 or the equivalent by another Rating Agency and the security matures within three months or (3) is rated at least A3 or the equivalent by another Rating Agency and the security matures within six months; provided, however, that for purposes of this definition, such instruments (other than commercial paper rated by S&P and not rated by Moody's) need not meet any otherwise applicable S&P rating criteria;

(iii) U.S. Government Securities;

(iv) Rule 144A Securities;

(v) Senior Loans;

(vi) Corporate debt securities if (A) such securities are rated B3 or higher by Moody's or the equivalent by another Rating Agency; (B) such securities provide for the periodic payment of interest in cash in U.S. dollars or euros, except that such securities that do not pay interest in U.S. dollars or euros shall be considered Moody's Eligible Assets if they are rated by Moody's, S&P or Fitch;
(C) for securities which provide for conversion or exchange at the option of the issuer into equity capital at some time over their lives, the issuer must be rated at least B3 by Moody's or the equivalent by another Rating Agency and the discount factor will be 250%; (D) for debt securities rated Ba1 and below, no more than 10% of the original amount of such issue may constitute Moody's Eligible Assets or the equivalent by another Rating Agency; (E) such securities have been registered under the Securities Act or are restricted as to resale under federal securities laws but are eligible for resale pursuant to Rule 144A under the Securities Act as determined by the Trust's Adviser acting pursuant to procedures approved by the Board of Trustees, except that such securities that are not subject to U.S. federal securities laws shall be considered Moody's Eligible Assets if they are publicly traded; and (F) such securities are not subject to extended settlement.

Notwithstanding the foregoing limitations, (x) corporate debt securities not rated at least B3 by Moody's or not rated by Moody's shall be considered to be Moody's Eligible Assets only to the extent


B-17

the Market Value of such corporate debt securities does not exceed 10% of the aggregate Market Value of all Moody's Eligible Assets; provided, however, that if the Market Value of such corporate debt securities exceeds 10% of the aggregate Market Value of all Moody's Eligible Assets, a portion of such corporate debt securities (selected by the Trust) shall not be considered Moody's Eligible Assets, so that the Market Value of such corporate debt securities (excluding such portion) does not exceed 10% of the aggregate Market Value of all Moody's Eligible Assets; and (y) corporate debt securities rated by neither Moody's, S&P nor Fitch shall be considered to be Moody's Eligible Assets only to the extent such securities are issued by entities which (i) have not filed for bankruptcy within the past three years, (ii) are current on all principal and interest in their fixed income obligations, (iii) are current on all preferred stock dividends, and (iv) possess a current, unqualified auditor's report without qualified, explanatory language.

(vii) Preferred stocks if (A) dividends on such preferred stock are cumulative, (B) such securities provide for the periodic payment of dividends thereon in cash in U.S. dollars or euros and do not provide for conversion or exchange into, or have warrants attached entitling the holder to receive, equity capital at any time over the respective lives of such securities, (C) the issuer of such a preferred stock has common stock listed on either the New York Stock Exchange or the American Stock Exchange, (D) the issuer of such a preferred stock has a senior debt rating from Moody's of Baa1 or higher or a preferred stock rating from Moody's of Baa3 or higher and (E) such preferred stock has paid consistent cash dividends in U.S. dollars or euros over the last three years or has a minimum rating of A1 (if the issuer of such preferred stock has other preferred issues outstanding that have been paying dividends consistently for the last three years, then a preferred stock without such a dividend history would also be eligible). In addition, the preferred stocks must have the following diversification requirements: (X) the preferred stock issue must be greater than $50 million and (Y) the minimum holding by the Trust of each issue of preferred stock is $500,000 and the maximum holding of preferred stock of each issue is $5 million. In addition, preferred stocks issued by transportation companies will not be considered Moody's Eligible Assets;

(viii) Financial contracts, as such term is defined in Section 3(c)(2)(B)(ii) of the Investment Company Act of 1940, as amended, and other securities or assets not otherwise provided for in this definition, but only upon receipt by the Trust of a letter from Moody's specifying any conditions on including such financial contract or other securities or assets in Moody's Eligible Assets and assuring the Trust that including such financial contract or other securities or assets in the manner so specified would not affect the credit rating assigned by Moody's to the APS ; and

(ix) Moody's Hedging Transactions.


B-18

MOODY'S DIVERSIFICATION LIMITATIONS:

In addition, portfolio holdings as described below must be within the following diversification and issue size requirements in order to be included in Moody's Eligible Assets:

                                        MAXIMUM SINGLE   MAXIMUM SINGLE    MINIMUM ISSUE SIZE
RATINGS(1)                              ISSUER(2),(3)    INDUSTRY(3),(4)   ($ IN MILLIONS)(5)
----------                              --------------   ---------------   ------------------
Aaa...................................       100%              100%               $100
Aa....................................        20                60                 100
A.....................................        10                40                 100
Baa...................................         6                20                 100
Ba....................................         4                12                  50(6)
B1-B2.................................         3                 8                  50(6)
B3 or below...........................         2                 5                  50(6)


(1) Refers to the securities of the portfolio holding.

(2) Companies subject to common ownership of 25% or more are considered as one issuer.

(3) Percentages represent a portion of the aggregate Market Value of securities.

(4) Industries are determined according to Moody's Industry Classifications, as defined herein.

(5) Except for preferred stock, which has a minimum issue size of $50 million, and mortgage pass throughs issued by FNMA, FHLMC or GNMA, which has no minimum issue size.

(6) Portfolio holdings from issues ranging from $50 million to $100 million are limited to 20% of the Trust's total assets.

Unless conclusions regarding liquidity risk as well as estimates of both the probability and severity of default for the Fund's assets can be derived from other sources, securities rated below B by Moody's and unrated securities, which are securities rated by neither Moody's, S&P nor Fitch, are limited to 10% of Moody's Eligible Assets. If a corporate, municipal or other debt security is unrated by Moody's, S&P or Fitch, the Fund will use the percentage set forth under "Below B and Unrated" in this table. Ratings assigned by S&P or Fitch are generally accepted by Moody's at face value. However, adjustments to face value may be made to particular categories of credits for which the S&P and/or Fitch rating does not seem to approximate a Moody's rating equivalent.

Where the Trust sells an asset and agrees to repurchase such asset in the future, the Discounted Value of such asset will constitute a Moody's Eligible Asset and the amount the Trust is required to pay upon repurchase of such asset will count as a liability for the purposes of the APS Basic Maintenance Amount. Where the Trust purchases an asset and agrees to sell it to a third party in the future, cash receivable by the Trust thereby will constitute a Moody's Eligible Asset if the long-term debt of such other party is rated at least A2 by Moody's and such agreement has a term of 30 days or less; otherwise the Discounted Value of such purchased asset will constitute a Moody's Eligible Asset. For the purposes of calculation of Moody's Eligible Assets, portfolio securities which have been called for redemption by the issuer thereof shall be valued at the lower of Market Value or the call price of such portfolio securities.

Notwithstanding the foregoing, an asset will not be considered a Moody's Eligible Asset to the extent that it has been irrevocably deposited for the payment of (i)(A) through (i)(E) under the definition of APS Basic Maintenance Amount or to the extent it is subject to any Liens, except for (A) Liens which are being contested in good faith by appropriate proceedings and which Moody's has indicated to the Trust will not affect the status of such asset as a Moody's Eligible Asset, (B) Liens for taxes that are not then due and payable or that can be paid thereafter without penalty, (C) Liens to secure payment for services rendered or cash advanced to the Trust by its Adviser, the Trust's custodian, transfer agent or registrar or the Auction Agent and (D) Liens arising by virtue of any repurchase agreement.


B-19

"Moody's Exposure Period" means the period commencing on a given Valuation Date and ending 49 days thereafter.

"Moody's General Portfolio Requirements" means that the Trust's portfolio must meet the following diversification requirements: (a) no more than 25% by par value of the Trust's total assets can be invested in the securities of borrowers and other issuers having their principal business activities in the same Moody's Industry Classification; provided, that this limitation shall not apply with respect to U.S. Government Securities and provided further that for purposes of this subsection (a), the term "issuer" shall not include a lender selling a participation to the Trust or any other person interpositioned between such lender and the Trust with respect to a participation and (b) no more than 10% by par value of the Trust's total assets can be invested in securities of a single issuer, and provided further that for purposes of this subsection (b), the term "issuer" includes both the borrower under a loan agreement and the lender selling a participation to the Trust together with any other persons interpositioned between such lender and the Trust with respect to such participation.

"Moody's Hedging Transactions" has the meaning set forth in paragraph 8(a) of these Amended By-Laws.

"Moody's Industry Classification" means, for the purposes of determining Moody's Eligible Assets, each of the following industry classifications (or such other classifications as Moody's may from time to time approve for application to the Preferred Shares):

1. Aerospace and Defense: Major Contractor, Subsystems, Research, Aircraft Manufacturing, Arms, Ammunition

2. Automobile: Automobile Equipment, Auto-Manufacturing, Auto Parts Manufacturing, Personal Use Trailers, Motor Homes, Dealers

3. Banking: Bank Holding, Savings and Loans, Consumer Credit, Small Loan, Agency, Factoring, Receivables

4. Beverage, Food and Tobacco: Beer and Ale, Distillers, Wines and Liquors, Distributors, Soft Drink Syrup, Bottlers, Bakery, Mill Sugar, Canned Foods, Corn Refiners, Dairy Products, Meat Products, Poultry Products, Snacks, Packaged Foods, Distributors, Candy, Gum, Seafood, Frozen Food, Cigarettes, Cigars, Leaf/Snuff, Vegetable Oil

5. Buildings and Real Estate: Brick, Cement, Climate Controls, Contracting, Engineering, Construction, Hardware, Forest Products (building-related only), Plumbing, Roofing, Wallboard, Real Estate, Real Estate Development, REITs, Land Development

6. Chemicals, Plastics and Rubber: Chemicals (non-agricultural), Industrial Gases, Sulphur, Plastics, Plastic Products, Abrasives, Coatings, Paints, Varnish, Fabricating Containers

7. Containers, Packaging and Glass: Glass, Fiberglass, Containers made of: Glass, Metal, Paper, Plastic, Wood or Fiberglass

8. Personal and Non-Durable Consumer Products (Manufacturing Only):
Soaps, Perfumes, Cosmetics, Toiletries, Cleaning Supplies, School Supplies

9. Diversified/Conglomerate Manufacturing

10. Diversified/Conglomerate Service

11. Diversified Natural Resources, Precious Metals and Minerals:
Fabricating, Distribution

12. Ecological: Pollution Control, Waste Removal, Waste Treatment and Waste Disposal

13. Electronics: Computer Hardware, Electric Equipment, Components, Controllers, Motors, Household Appliances, Information Service Communication Systems, Radios, TVs, Tape Machines, Speakers, Printers, Drivers, Technology


B-20

14. Finance: Investment Brokerage, Leasing, Syndication, Securities

15. Farming and Agriculture: Livestock, Grains, Produce, Agriculture Chemicals, Agricultural Equipment, Fertilizers

16. Grocery: Grocery Stores, Convenience Food Stores

17. Healthcare, Education and Childcare: Ethical Drugs, Proprietary Drugs, Research, Health Care Centers, Nursing Homes, HMOs, Hospitals, Hospital Supplies, Medical Equipment

18. Home and Office Furnishings, Housewares, and Durable Consumer Products: Carpets, Floor Coverings, Furniture, Cooking, Ranges

19. Hotels, Motels, Inns and Gaming

20. Insurance: Life, Property and Casualty, Broker, Agent, Surety

21. Leisure, Amusement, Motion Pictures, Entertainment: Boating, Bowling, Billiards, Musical Instruments, Fishing, Photo Equipment, Records, Tapes, Sports, Outdoor Equipment (Camping), Tourism, Resorts, Games, Toy Manufacturing, Motion Picture Production Theaters, Motion Picture Distribution

22. Machinery (Non-Agricultural, Non-Construction, Non-Electronic):


Industrial, Machine Tools, Steam Generators

23. Mining, Steel, Iron and Non-Precious Metals: Coal, Copper, Lead, Uranium, Zinc, Aluminum, Stainless Steel, Integrated Steel, Ore Production, Refractories, Steel Mill Machinery, Mini-Mills, Fabricating, Distribution and Sales of the foregoing

24. Oil and Gas: Crude Producer, Retailer, Well Supply, Service and Drilling

25. Personal, Food and Miscellaneous

26. Printing, Publishing, and Broadcasting: Graphic Arts, Paper, Paper Products, Business Forms, Magazines, Books, Periodicals, Newspapers, Textbooks, Radio, T.V., Cable Broadcasting Equipment

27. Cargo Transport: Rail, Shipping, Railroads, Rail-car Builders, Ship Builders, Containers, Container Builders, Parts, Overnight Mail, Trucking, Truck Manufacturing, Trailer Manufacturing, Air Cargo, Transport

28. Retail Stores: Apparel, Toy, Variety, Drugs, Department, Mail Order Catalog, Showroom

29. Telecommunications: Local, Long Distance, Independent, Telephone, Telegraph, Satellite, Equipment, Research, Cellular

30. Textiles and Leather: Producer, Synthetic Fiber, Apparel Manufacturer, Leather Shoes

31. Personal Transportation: Air, Bus, Rail, Car Rental

32. Utilities: Electric, Water, Hydro Power, Gas

33. Broadcasting and Entertainment: Recording Industry, Motion Exhibition Theaters, Motion Picture Production and Distribution, Radio, T.V., Cable Broadcasting and Broadcasting Equipment

34. Diversified Sovereigns: Semi-sovereigns, Canadian Provinces, Supra-national Agencies

The Trust will use its discretion in determining which industry classification is applicable to a particular investment in consultation with the Independent Accountant and Moody's, to the extent the Trust considers necessary.


B-21

"Moody's Loan Category" means the following five categories (and, for purposes of this categorization, the Market Value of a Moody's Eligible Asset trading at par is equal to $1.00):

(i) "Moody's Loan Category A" means Performing Loans which have a value as determined in accordance with the Trust's valuation procedures greater than or equal to $0.90.

(ii) "Moody's Loan Category B" means: (A) Performing Loans which have a value as determined in accordance with the Trust's valuation procedures of greater than or equal to $0.80 but less than $0.90; and (B) non-Performing Loans which have a value as determined in accordance with the Trust's valuation procedures greater than or equal to $0.85.

(iii) "Moody's Loan Category C" means: (A) Performing Senior Loans which have a value as determined in accordance with the Trust's valuation procedures of greater than or equal to $0.70 but less than $0.80; and (B) non-Performing Loans which have a value as determined in accordance with the Trust's valuation procedures of greater than or equal to $0.75 but less than $0.85.

(iv) "Moody's Loan Category D" means Loans which have a value as determined in accordance with the Trust's valuation procedures less than $0.75.

Notwithstanding any other provision contained above, for purposes of determining whether a Moody's Eligible Asset falls within a specific Moody's Loan Category, to the extent that any Moody's Eligible Asset would fall in more than one of the Moody's Loan Categories, such Moody's Eligible Asset shall be deemed to fall into the Moody's Loan Category with the lowest applicable Moody's Discount Factor.

"Non-Call Period" has the meaning set forth under the definition of "Specific Redemption Provisions".

"Non-Investment Grade Bonds" means "Non-Investment Grade Bonds" as defined in the Trust's Registration Statement on Form N-2 (File No. 333-111041) relating to the APS on file with the Securities and Exchange Commission, as such Registration Statement may be amended from time to time.

"Non-Payment Period" means any period commencing on and including the day on which the Trust shall fail to (i) declare, prior to the close of business on the second Business Day preceding any Dividend Payment Date, for payment on or (to the extent permitted by paragraph 2(c)(i) of this Article VII, of these Amended By-Laws) within three Business Days after such Dividend Payment Date to the Holders as of 12:00 noon, New York City time, on the Business Day preceding such Dividend Payment Date, the full amount of any dividend on shares of APS payable on such Dividend Payment Date or (ii) deposit, irrevocably in trust, in same-day funds, with the Auction Agent by 12:00 noon, New York City time, (A) on such Dividend Payment Date the full amount of any cash dividend on such shares payable (if declared) on such Dividend Payment Date or (B) on any redemption date for any shares of APS called for redemption, the Mandatory Redemption Price per share of such APS or, in the case of an optional redemption, the Optional Redemption Price per share, and ending on and including the Business Day on which, by 12:00 noon, New York City time, all unpaid cash dividends and unpaid redemption prices shall have been so deposited or shall have otherwise been made available to Holders in same-day funds; provided that, a Non-Payment Period shall not end unless the Trust shall have given at least five days' but no more than 30 days' written notice of such deposit or availability to the Auction Agent, all Existing Holders (at their addresses appearing in the Share Books) and the Securities Depository. Notwithstanding the foregoing, the failure by the Trust to deposit funds as provided for by clauses (ii)(A) or (ii)(B) above within three Business Days after any Dividend Payment Date or redemption date, as the case may be, in each case to the extent contemplated by paragraph 2(c)(i) of these Amended By-Laws, shall not constitute a "Non-Payment Period."

"Non-Payment Period Rate" means, initially, 275% of the applicable Reference Rate, provided that the Board of Trustees of the Trust shall have the authority to adjust, modify, alter or change from time to time the initial Non-Payment Period Rate if the Board of Trustees of the Trust determines and Fitch (and any Substitute Rating Agency in lieu of Fitch in the event such party shall not rate the APS)


B-22

advise the Trust in writing that such adjustment, modification, alteration or change will not adversely affect its then current ratings on the APS.

"Normal Dividend Payment Date" has the meaning set forth in paragraph 2(b)(i) of Article VII, of these Amended By-Laws.

"Notice of Redemption" means any notice with respect to the redemption of shares of APS pursuant to paragraph 4 of Article VII, of these Amended By-Laws.

"Notice of Revocation" has the meaning set forth in paragraph 2(c)(iii) of Article VII, of these Amended By-Laws.

"Notice of Special Dividend Period" has the meaning set forth in paragraph 2(c)(iii) of Article VII, of these Amended By-Laws.

"Optional Redemption Price" means $25,000 per share plus an amount equal to accumulated but unpaid dividends (whether or not earned or declared) to the date fixed for redemption and excluding Additional Dividends plus any applicable redemption premium attributable to the designation of a Premium Call Period.

"Other APS" means the auction rate Preferred Shares of the Trust, other than the
APS.

"Outstanding" means, as of any date (i) with respect to APS, shares of APS therefor issued by the Trust except, without duplication, (A) any shares of APS theretofore canceled or delivered to the Auction Agent for cancellation, or redeemed by the Trust, or as to which a Notice of Redemption shall have been given and Deposit Securities shall have been deposited in trust or segregated by the Trust pursuant to paragraph 4(c) and (B) any shares of APS as to which the Trust or any Affiliate thereof shall be a Beneficial Owner, provided that shares of APS held by an Affiliate shall be deemed Outstanding for purposes of calculating the APS Basic Maintenance Amount and (ii) with respect to shares of other Preferred Shares, has the equivalent meaning.

"Parity Shares" means the APS and each other Outstanding series of Preferred Shares the holders of which, together with the holders of the APS, shall be entitled to the receipt of dividends or of amounts distributable upon liquidation, dissolution or winding up, as the case may be, in proportion to the full respective preferential amounts to which they are entitled, without preference or priority one over the other.

"Performing" means that no default as to the payment of principal or interest has occurred and is continuing.

"Person" means and includes an individual, a partnership, a fund, a trust, an unincorporated association, a joint venture or other entity or a government or any agency or political subdivision thereof.

"Potential Beneficial Owner" means a customer of a Broker-Dealer or a Broker-Dealer that is not a Beneficial Owner of shares of APS but that wishes to purchase such shares, or that is a Beneficial Owner that wishes to purchase additional shares of APS.

"Potential Holder" means any Broker-Dealer or any such other Person as may be permitted by the Trust, including any Existing Holder, who may be interested in acquiring shares of APS (or, in the case of an Existing Holder, additional shares of APS).

"Preferred Shares" means the preferred shares of beneficial interest, par value $0.01 per share, of the Trust, and includes APS and Other APS.

"Premium Call Period" has the meaning set forth under the definition of "Specific Redemption Provisions".


B-23

"Pricing Service" means any pricing service designated by the Board of Trustees of the Trust provided the Trust obtains written assurance from Moody's and Fitch that such designation will not impair the rating then assigned by Moody's and Fitch, as applicable, to the APS.

"Rating Agency" means a nationally recognized statistical rating organization.

"Reference Rate" means, with respect to the Non-Payment Period Rate and the Maximum Applicable Rate means the applicable "AA" Financial Composite Commercial Paper Rate (for a Dividend Period of fewer than 184 days) or the applicable Treasury Index Rate (for a Dividend Period of 184 days or more).

"Request for Special Dividend Period" has the meaning set forth in paragraph 2(c)(iii) of Article VII, of these Amended By-Laws.

"Response" has the meaning set forth in paragraph 2(c)(iii) of Article VII, of these Amended By-Laws.

"Rule 144A Securities" means securities which are restricted as to resale under federal securities laws but are eligible for resale pursuant to Rule 144A under the Securities Act as determined by the Trust's Adviser acting pursuant to procedures approved by the Board of Trustees of the Trust.

"S&P" means Standard & Poor's Corporation, a New York Corporation, and its successors.

"Securities Act" means the Securities Act of 1933, as amended.

"Securities Depository" means The Depository Trust Company or any successor company or other entities elected by the Trust as securities depository for the shares of APS that agrees to follow the procedures required to be followed by such securities depository in connection with the shares of APS.

"Senior Loans" means "Senior Loans" as defined in the Trust's Registration Statement on Form N-2 (File No. 333-111041) relating to the APS on file with the Securities and Exchange Commission, as such Registration Statement may be amended from time to time.

"Series A APS" means the Auction Preferred Shares, Series A.

"Series B APS" means the Auction Preferred Shares, Series B.

"Series C APS" means the Auction Preferred Shares, Series C.

"Series D APS" means the Auction Preferred Shares, Series D.

"Service" means the United States Internal Revenue Service.

"Share Books" means the books maintained by the Auction Agent setting forth at all times a current list, as determined by the Auction Agent, of Existing Holders of the APS.

"Share Register" means the register of Holders maintained on behalf of the Trust by the Auction Agent in its capacity as transfer agent and registrar for the APS.

"Short Term Dividend Period" means a Special Dividend Period consisting of a specified number of days (other than twenty-eight), evenly divisible by seven and not fewer than seven nor more than 364.

"Short Term Money Market Instruments" means the following types of instruments if, on the date of purchase or other acquisition thereof by the Trust, the remaining term to maturity thereof is not in excess of 180 days (or 270 days for instruments rated at least Aaa for purposes of determining Moody's Eligible Assets):

(i) commercial paper rated either F-1 by Fitch or A-1 by S&P if such commercial paper matures in 30 days or P-1 by Moody's and either F-1+ by Fitch or A-1+ by S&P if such commercial paper matures in over 30 days;

(ii) demand or time deposits in, and banker's acceptances and certificates of deposit of, (A) a depository institution or trust company incorporated under the laws of the United States of America or


B-24

any state thereof or the District of Columbia or (B) a United States branch office or agency of a foreign depository institution (provided that such branch office or agency is subject to banking regulation under the laws of the United States, any state thereof or the District of Columbia);

(iii) overnight funds;

(iv) U.S. Government Securities; and

(v) Eurodollar demand or time deposits in, or certificates of deposit of, the head office or the London branch office of a depository institution or trust company if the certificates of deposit, if any, and the long-term unsecured debt obligations (other than such obligations the ratings of which are based on the credit of a person or entity other than such depository institution or trust company) of such depository institution or trust company that have (1) credit ratings on each Valuation Date of at least P-1 from Moody's and either F-1+ from Fitch or A-1+ from S&P, in the case of commercial paper or certificates of deposit, and (2) credit ratings on each Valuation Date of at least Aa3 from Moody's and either AA from Fitch or AA- from S&P, in the case of long-term unsecured debt obligations; provided, however, that in the case of any such investment that matures in no more than one Business Day from the date of purchase or other acquisition by the Trust, all of the foregoing requirements shall be applicable except that the required long-term unsecured debt credit rating of such depository institution or trust company from Moody's, Fitch and S&P shall be at least A2, A-2 and A, respectively; and provided further, however, that the foregoing credit rating requirements shall be deemed to be met with respect to a depository institution or trust company if (1) such depository institution or trust company is the principal depository institution in a holding company system, (2) the certificates of deposit, if any, of such depository institution or trust company are not rated on any Valuation Date below P-1 by Moody's, F-1+ by Fitch or A-1+ by S&P and there is no long-term rating, and (3) the holding company shall meet all of the foregoing credit rating requirements (including the preceding proviso in the case of investments that mature in no more than one Business Day from the date of purchase or other acquisition by the Trust); and provided further, that the interest receivable by the Trust shall not be subject to any withholding or similar taxes.

"Special Dividend Period" means a Dividend Period consisting of (i) a specified number of days (other than twenty-eight), evenly divisible by seven and not fewer than seven nor more than 364 or (ii) a specified period of one whole year or more but not greater than five years (in each case subject to adjustment as provided in paragraph 2(b)(i)).

"Specific Redemption Provisions" means, with respect to a Special Dividend Period either, or any combination of, (i) a period (a "Non-Call Period") determined by the Board of Trustees of the Trust, after consultation with the Auction Agent and the Broker-Dealers, during which the shares of APS subject to such Dividend Period shall not be subject to redemption at the option of the Trust and (ii) a period (a "Premium Call Period"), consisting of a number of whole years and determined by the Board of Trustees of the Trust, after consultation with the Auction Agent and the Broker-Dealers, during each year of which the shares of APS subject to such Dividend Period shall be redeemable at the Trust's option at a price per share equal to $25,000 plus accumulated but unpaid dividends plus a premium expressed as a percentage of $25,000, as determined by the Board of Trustees of the Trust after consultation with the Auction Agent and the Broker-Dealers.

"Subsequent Dividend Period," with respect to APS, has the meaning set forth in paragraph 2(c)(i) of Article VII, of these Amended By-Laws and, with respect to Other APS, has the equivalent meaning.

"Substitute Commercial Paper Dealers" means such substitute Commercial Paper Dealer or Dealers as the Trust may from time to time appoint or, in lieu of any thereof, their respective affiliates or successors.

"Substitute Rating Agency" and "Substitute Rating Agencies" mean a nationally recognized statistical rating organization or two nationally recognized statistical rating organizations, respectively, selected by Eaton Vance Management or its affiliates and successors, after consultation with the Trust, to act as


B-25

the substitute rating agency or substitute rating agencies, as the case may be, to determine the credit ratings of the shares of APS.

"Swap" means a derivative transaction between two parties who contractually agree to exchange the returns (or differentials in rates of return) to be exchanged or "swapped" between the parties, which returns are calculated with respect to a "notional amount," i.e., the return on or increase in value of a particular dollar amount invested at a particular interest rate or in a "basket" of securities representing a particular index.

(i) "Interest Rate Swap" means an arrangement whereby two parties (called counterparties) enter into an agreement to exchange periodic interest payments. The dollar amount the counterparties pay each other is an agreed-upon periodic interest rate multiplied by some predetermined dollar principal, called the notional principal amount. No principal (no notional amount) is exchanged between parties to the transaction; only interest is exchanged.

(ii) "Total Return Swap" means an agreement between counterparties in which one party agrees to make payments of the total return from the underlying asset(s) which may include securities, baskets of securities, or securities indices during the specified period, in return for payments equal to a fixed or floating rate of interest or the total return from other underlying asset(s).

(iii) "Credit Default Swap" means an agreement between counterparties in which one party is entitled to receive the par (or other agreed-upon) value of a referenced debt obligation from the counterparty to the agreement in the event of a default by a third party on the debt obligation. In return, such party would pay the counterparty a periodic stream of payments over the term of the contract provided that no event of default has occurred.

"Treasury Bonds" means United States Treasury Bills, Bonds or Notes.

"Treasury Index Rate" means the average yield to maturity for actively traded marketable U.S. Treasury fixed interest rate securities having the same number of 30-day periods to maturity as the length of the applicable Dividend Period, determined, to the extent necessary, by linear interpolation based upon the yield for such securities having the next shorter and next longer number of 30-day periods to maturity treating all Dividend Periods with a length greater than the longest maturity for such securities as having a length equal to such longest maturity, in all cases based upon data set forth in the most recent weekly statistical release published by the Board of Governors of the Federal Reserve System (currently in H.15 (519)); provided, however, if the most recent such statistical release shall not have been published during the 15 days preceding the date of computation, the foregoing computations shall be based upon the average of comparable data as quoted to the Trust by at least three recognized dealers in U.S. government securities selected by the Trust.

"Trust" means Eaton Vance Senior Floating-Rate Trust, a Massachusetts business trust.

"U.S. Government Securities" means direct obligations of the United States or of its agencies or instrumentalities that are entitled to the full faith and credit of the United States and that, other than Treasury bills, provide for the periodic payment of interest and the full payment of principal at maturity or call for redemption.

"U.S. Treasury Bill Rate" on any date means (i) the Interest Equivalent of the rate on the actively traded Treasury Bill with a maturity most nearly comparable to the length of the related Dividend Period, as such rate is made available on a discount basis or otherwise by the Federal Reserve Bank of New York in its Composite 3:30 p.m. Quotations for U.S. Government Securities report for such Business Day, or (ii) if such yield as so calculated is not available, the Alternate Treasury Bill Rate on such date. "Alternate Treasury Bill Rate" on any date means the Interest Equivalent of the yield as calculated by reference to the arithmetic average of the bid price quotations of the actively traded Treasury Bill with a maturity most nearly comparable to the length of the related Dividend Period, as determined by bid price quotations as of any time on the Business Day immediately preceding such


B-26

date, obtained from at least three recognized primary U.S. Government securities dealers selected by the Auction Agent.

"U.S. Treasury Note Rate" on any date means (i) the yield as calculated by reference to the bid price quotation of the actively traded, current coupon Treasury Note with a maturity most nearly comparable to the length of the related Dividend Period, as such bid price quotation is published on the Business Day immediately preceding such date by the Federal Reserve Bank of New York in its Composite 3:30 p.m. Quotations for U.S. Government Securities report for such Business Day, or (ii) if such yield as so calculated is not available, the Alternate Treasury Note Rate on such date. "Alternate Treasury Note Rate" on any date means the yield as calculated by reference to the arithmetic average of the bid price quotations of the actively traded, current coupon Treasury Note with a maturity most nearly comparable to the length of the related Dividend Period, as determined by the bid price quotations as of any time on the Business Day immediately preceding such date, obtained from at least three recognized primary U.S. Government securities dealers selected by the Auction Agent.

"Valuation Date" means, for purposes of determining whether the Trust is maintaining the APS Basic Maintenance Amount, each Business Day commencing with the Date of Original Issue.

"Variation Margin" means, in connection with an outstanding futures contract owned or sold by the Trust, the amount of cash or securities paid to or received from a broker (subsequent to the Initial Margin payment) from time to time as the price of such futures contract fluctuates.

(b) The foregoing definitions of Accountant's Confirmation, APS Basic Maintenance Amount, APS Basic Maintenance Cure Date, APS Basic Maintenance Report, Deposit Securities, Discounted Value, Independent Accountant, Initial Margin, Market Value, Moody's Discount Factor, Fitch Discount Factor, Moody's Eligible Asset, Fitch Eligible Asset, Moody's Exposure Period, Fitch Exposure Period, Moody's Hedging Transactions, Fitch Hedging Transactions, Fitch Industry Classification, Maximum Applicable Rate, Moody's Industry Classification, Moody's Loan Category, 1940 Act Cure Date, 1940 Act APS Asset Coverage, Performing, Senior Loans, Short Term Money Market Instruments, Treasury Bonds, U.S. Government Securities, Valuation Date and Variation Margin (and any terms defined within such definitions) have been determined by the Board of Trustees of the Trust in order to obtain a AAA rating from Fitch and Aaa rating from Moody's on the APS on their Date of Original Issue; and the Board of Trustees of the Trust shall have the authority, without shareholder approval, to amend, alter or repeal from time to time the foregoing definitions and the restrictions and guidelines set forth thereunder if Moody's, Fitch or any Substitute Rating Agency advises the Trust in writing that such amendment, alteration or repeal will not adversely affect its then current rating on the APS.

2. DIVIDENDS. (a) The Holders of a particular series of APS shall be entitled to receive, when, as and if declared by the Board of Trustees of the Trust, out of funds legally available therefor, cumulative dividends each consisting of cash at the Applicable Rate, and no more, payable on the respective dates set forth below. Dividends on the shares of each series of APS so declared and payable shall be paid in preference to and in priority over any dividends declared and payable on the Common Shares.

(b) (i) Cash dividends on shares of each series of APS shall accumulate from the Date of Original Issue and shall be payable, when, as and if declared by the Board of Trustees, out of funds legally available therefor, commencing on the Initial Dividend Payment Date. Following the Initial Dividend Payment Date for a series of APS, dividends on that series of APS will be payable, at the option of the Trust, either (i) with respect to any 28-Day Dividend Period and any Short Term Dividend Period of fewer than 28 days, on the day next succeeding the last day thereof, or (ii) with respect to any Short Term Dividend Period of more than 28 days and with respect to any Long Term Dividend Period, monthly on the first Business Day of each calendar month during such Short Term Dividend Period or Long Term Dividend Period and on the day next succeeding the last day thereof (each such date referred to in clause (i) or (ii) being herein referred to as a "Normal Dividend Payment Date"), except that if such Normal Dividend Payment Date is not a Business Day, then the Dividend Payment Date shall be the first Business Day next succeeding such Normal Dividend Payment Date. Although any


B-27

particular Dividend Payment Date may not occur on the originally scheduled date because of the exception discussed above, the next succeeding Dividend Payment Date, subject to such exception, will occur on the next following originally scheduled date. If for any reason a Dividend Payment Date cannot be fixed as described above, then the Board of Trustees shall fix the Dividend Payment Date. The Board of Trustees by resolution prior to authorization of a dividend by the Board of Trustees may change a Dividend Payment Date if such change does not adversely affect the contract rights of the Holders of shares of APS set forth in the Declaration of Trust or the Amended By-Laws. The Initial Dividend Period, 28-Day Dividend Periods and Special Dividend Periods with respect to a series of APS are hereinafter sometimes referred to as Dividend Periods. Each dividend payment date determined as provided above is hereinafter referred to as a "Dividend Payment Date."

(ii) Each dividend shall be paid to the Holders as they appear in the Stock Register as of 12:00 noon, New York City time, on the Business Day preceding the Dividend Payment Date. Dividends in arrears for any past Dividend Period may be declared and paid at any time, without reference to any regular Dividend Payment Date, to the Holders as they appear on the Stock Register on a date, not exceeding 15 days prior to the payment date therefor, as may be fixed by the Board of Trustees of the Trust.

(c) (i) During the period from and including the Date of Original Issue to but excluding the Initial Dividend Payment Date for each series of APS (the "Initial Dividend Period"), the Applicable Rate shall be the Initial Dividend Rate. Commencing on the Initial Dividend Payment Date for each series of APS, the Applicable Rate for each subsequent dividend period (hereinafter referred to as a "Subsequent Dividend Period"), which Subsequent Dividend Period shall commence on and include a Dividend Payment Date and shall end on and include the calendar day prior to the next Dividend Payment Date (or last Dividend Payment Date in a Dividend Period if there is more than one Dividend Payment Date), shall be equal to the rate per annum that results from implementation of the Auction Procedures.

The Applicable Rate for each Dividend Period commencing during a Non-Payment Period shall be equal to the Non-Payment Period Rate; and each Dividend Period, commencing after the first day of, and during, a Non-Payment Period shall be a 28-Day Dividend Period in the case of each series of APS. Except in the case of the willful failure of the Trust to pay a dividend on a Dividend Payment Date or to redeem any shares of APS on the date set for such redemption, any amount of any dividend due on any Dividend Payment Date (if, prior to the close of business on the second Business Day preceding such Dividend Payment Date, the Trust has declared such dividend payable on such Dividend Payment Date to the Holders of such shares of APS as of 12:00 noon, New York City time, on the Business Day preceding such Dividend Payment Date) or redemption price with respect to any shares of APS not paid to such Holders when due may be paid to such Holders in the same form of funds by 12:00 noon, New York City time, on any of the first three Business Days after such Dividend Payment Date or due date, as the case may be, provided that, such amount is accompanied by a late charge calculated for such period of non-payment at the Non-Payment Period Rate applied to the amount of such non-payment based on the actual number of days comprising such period divided by 360. In the case of a willful failure of the Trust to pay a dividend on a Dividend Payment Date or to redeem any shares of APS on the date set for such redemption, the preceding sentence shall not apply and the Applicable Rate for the Dividend Period commencing during the Non-Payment Period resulting from such failure shall be the Non-Payment Period Rate. For the purposes of the foregoing, payment to a person in same-day funds on any Business Day at any time shall be considered equivalent to payment to such person in New York Clearing House (next-day) funds at the same time on the preceding Business Day, and any payment made after 12:00 noon, New York City time, on any Business Day shall be considered to have been made instead in the same form of funds and to the same person before 12:00 noon, New York City time, on the next Business Day.

(ii) The amount of cash dividends per share of any series of APS payable (if declared) on the Initial Dividend Payment Date, each 28-Day Dividend Period and each Dividend Payment Date of each Short Term Dividend Period shall be computed by multiplying the Applicable Rate for such Dividend Period


B-28

by a fraction, the numerator of which will be the number of days in such Dividend Period or part thereof that such share was Outstanding and the denominator of which will be 360, multiplying the amount so obtained by $25,000, and rounding the amount so obtained to the nearest cent. During any Long Term Dividend Period, the amount of cash dividends per share of a series of APS payable (if declared) on any Dividend Payment Date shall be computed by multiplying the Applicable Rate for such Dividend Period by a fraction, the numerator of which will be such number of days in such part of such Dividend Period that such share was Outstanding and for which dividends are payable on such Dividend Payment Date and the denominator of which will be 360, multiplying the amount so obtained by $25,000, and rounding the amount so obtained to the nearest cent.

(iii) The Trust may, at its sole option and to the extent permitted by law, by telephonic and written notice (a "Request for Special Dividend Period") to the Auction Agent and to each Broker-Dealer, request that the next succeeding Dividend Period for a series of APS be a number of days (other than twenty-eight), evenly divisible by seven and not fewer than 7 nor more than 364 in the case of a Short Term Dividend Period or one whole year or more but not greater than 5 years in the case of a Long Term Dividend Period, specified in such notice, provided that the Trust may not give a Request for Special Dividend Period of greater than 28 days (and any such request shall be null and void) unless, for any Auction occurring after the initial Auction, Sufficient Clearing Bids shall have existed in an Auction held on the Auction date immediately preceding the first day of such proposed Special Dividend Period and unless full cumulative dividends, any amounts due with respect to redemption's, and any Additional Dividends payable prior to such date have been paid in full. Such Request for Special Dividend Period, in the case of a Short Term Dividend Period, shall be given on or prior to the second Business Day but not more than seven Business Days prior to an Auction Date for a series of APS and, in the case of a Long Term Dividend Period, shall be given on or prior to the second Business Day but not more than 28 days prior to an Auction Date for a series of APS. Upon receiving such Request for Special Dividend Period, the Broker-Dealer(s) shall jointly determine whether, given the factors set forth below, it is advisable that the Trust issue a Notice of Special Dividend Period for the series of APS as contemplated by such Request for Special Dividend Period and shall determine the Optional Redemption Price of the APS during such Special Dividend Period and the Specific Redemption Provisions and shall give the Trust and the Auction Agent written notice (a "Response") of such determination by no later than the second Business Day prior to such Auction Date. In making such determination the Broker-Dealer(s) will consider (1) existing short-term and long-term market rates and indices of such short-term and long-term rates, (2) existing market supply and demand for short-term and long-term securities, (3) existing yield curves for short-term and long-term securities comparable to the APS, (4) industry and financial conditions which may affect the APS, (5) the investment objectives of the Trust, and (6) the Dividend Periods and dividend rates at which current and potential beneficial holders of the APS would remain or become beneficial holders. If the Broker- Dealer(s) shall not give the Trust and the Auction Agent a Response by such second Business Day or if the Response states that given the factors set forth above it is not advisable that the Trust give a Notice of Special Dividend Period for the series of APS, the Trust may not give a Notice of Special Dividend Period in respect of such Request for Special Dividend Period. In the event the Response indicates that it is advisable that the Trust give a Notice of Special Dividend Period for the series of APS, the Trust may by no later than the second Business Day prior to such Auction Date give a notice (a "Notice of Special Dividend Period") to the Auction Agent, the Securities Depository and each Broker-Dealer which notice will specify (i) the duration of the Special Dividend Period, (ii) the Optional Redemption Price as specified in the related Response and (iii) the Specific Redemption Provisions, if any, as specified in the related Response. The Trust also shall provide a copy of such Notice of Special Dividend Period to Moody's and Fitch. The Trust shall not give a Notice of Special Dividend Period and, if the Trust has given a Notice of Special Dividend Period, the Trust is required to give telephonic and written notice of its revocation (a "Notice of Revocation") to the Auction Agent, each Broker-Dealer, and the Securities Depository on or prior to the Business Day prior to the relevant Auction Date if (x) either the 1940 Act APS Asset Coverage is not satisfied or the Trust shall fail to maintain Fitch Eligible Assets or Moody's Eligible Assets with an aggregate Discounted Value at


B-29

least equal to the APS Basic Maintenance Amount, on each of the two Valuation Dates immediately preceding the Business Day prior to the relevant Auction Date on an actual basis and on a pro forma basis giving effect to the proposed Special Dividend Period (using as a pro forma dividend rate with respect to such Special Dividend Period the dividend rate which the Broker-Dealers shall advise the Trust is an approximately equal rate for securities similar to the APS with an equal dividend period), (y) sufficient funds for the payment of dividends payable on the immediately succeeding Dividend Payment Date have not been irrevocably deposited with the Auction Agent by the close of business on the third Business Day preceding the related Auction Date or (z) the Broker-Dealer(s) jointly advise the Trust that after consideration of the factors listed above they have concluded that it is advisable to give a Notice of Revocation. The Trust also shall provide a copy of such Notice of Revocation to Fitch and Moody's. If the Trust is prohibited from giving a Notice of Special Dividend Period as a result of any of the factors enumerated in clause (x), (y) or (z) above or if the Trust gives a Notice of Revocation with respect to a Notice of Special Dividend Period for any series of APS, the next succeeding Dividend Period will be a 28-Day Dividend Period. In addition, in the event Sufficient Clearing Bids are not made in the applicable Auction, including any such Auction held on the Auction date immediately preceding the first day of such proposed Special Dividend Period or such Auction is not held for any reason, such next succeeding Dividend Period will be a 28-Day Dividend Period and the Trust may not again give a Notice of Special Dividend Period for the APS (and any such attempted notice shall be null and void) until Sufficient Clearing Bids have been made in an Auction with respect to a 28-Day Dividend Period.

(d) (i) Holders shall not be entitled to any dividends, whether payable in cash, property or stock, in excess of full cumulative dividends and applicable late charges, as herein provided, on the shares of APS. Except for the late charge payable pursuant to paragraph 2(c)(i) hereof, no interest, or sum of money in lieu of interest, shall be payable in respect of any dividend payment on the shares of APS that may be in arrears.

(ii) For so long as any share of APS is Outstanding, the Trust shall not declare, pay or set apart for payment any dividend or other distribution (other than a dividend or distribution paid in shares of, or options, warrants or rights to subscribe for or purchase, Common Shares or other shares of beneficial interest, if any, ranking junior to the shares of APS as to dividends or upon liquidation) in respect of the Common Shares or any other shares of beneficial interest of the Trust ranking junior to or on a parity with the shares of APS as to dividends or upon liquidation, or call for redemption, redeem, purchase or otherwise acquire for consideration any shares of the Common Shares or any other such junior shares (except by conversion into or exchange for shares of the Trust ranking junior to the shares of APS as to dividends and upon liquidation) or any other such Parity Shares (except by conversion into or exchange for stock of the Trust ranking junior to or on a parity with the shares of APS as to dividends and upon liquidation), unless (A) immediately after such transaction, the Trust shall have Fitch Eligible Assets and Moody's Eligible Assets with an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount and the Trust shall maintain the 1940 Act APS Asset Coverage, (B) full cumulative dividends on shares of APS and shares of Other APS due on or prior to the date of the transaction have been declared and paid or shall have been declared and sufficient funds for the payment thereof deposited with the Auction Agent, and (C) the Trust has redeemed the full number of shares of APS required to be redeemed by any provision for mandatory redemption contained herein.

(e) No fractional shares of APS shall be issued.

3. LIQUIDATION RIGHTS. Upon any liquidation, dissolution or winding up of the Trust, whether voluntary or involuntary, the Holders shall be entitled to receive, out of the assets of the Trust available for distribution to shareholders, before any distribution or payment is made upon any Common Shares or any other shares of beneficial interest ranking junior in right of payment upon liquidation to the APS, the sum of $25,000 per share plus accumulated but unpaid dividends (whether or not earned or declared) thereon to the date of distribution, and after such payment the Holders will


B-30

be entitled to no other payments. If upon any liquidation, dissolution or winding up of the Trust, the amounts payable with respect to the APS and any other Outstanding class or series of Preferred Shares of the Trust ranking on a parity with the APS as to payment upon liquidation are not paid in full, the Holders and the holders of such other class or series will share ratably in any such distribution of assets in proportion to the respective preferential amounts to which they are entitled. After payment of the full amount of the liquidating distribution to which they are entitled, the Holders will not be entitled to any further participation in any distribution of assets by the Trust except for any Additional Dividends. A consolidation, merger or statutory share exchange of the Trust with or into any other Trust or entity or a sale, whether for cash, shares of stock, securities or properties, of all or substantially all or any part of the assets of the Trust shall not be deemed or construed to be a liquidation, dissolution or winding up of the Trust.

4. REDEMPTION. (a) Shares of APS shall be redeemable by the Trust as provided below:

(i) To the extent permitted under the 1940 Act and Massachusetts law, upon giving a Notice of Redemption, the Trust at its option may redeem shares of any series of APS, in whole or in part, out of funds legally available therefor, at the Optional Redemption Price per share, on any Dividend Payment Date; provided that no share of APS may be redeemed at the option of the Trust during (A) the Initial Dividend Period with respect to a series of shares or (B) a Non-Call Period to which such share is subject. In addition, holders of APS which are redeemed shall be entitled to receive Additional Dividends to the extent provided herein. The Trust may not give a Notice of Redemption relating to an optional redemption as described in this paragraph 4(a)(i) unless, at the time of giving such Notice of Redemption, the Trust has available Deposit Securities with maturity or tender dates not later than the day preceding the applicable redemption date and having a value not less than the amount due to Holders by reason of the redemption of their shares of APS on such redemption date, and the Discounted Value of Fitch Eligible Assets at least equals the APS Basic Maintenance Amount, and would at least equal the APS Basic Maintenance Amount immediately subsequent to such redemption if such redemption were to occur on such date.

(ii) The Trust shall redeem, out of funds legally available therefor, at the Mandatory Redemption Price per share, shares of APS to the extent permitted under the 1940 Act and Massachusetts law, on a date fixed by the Board of Trustees, if the Trust fails to maintain Fitch Eligible Assets and Moody's Eligible Assets with an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount as provided in paragraph 7(a) or to satisfy the 1940 Act APS Asset Coverage as provided in paragraph 6 and such failure is not cured on or before the APS Basic Maintenance Cure Date or the 1940 Act Cure Date (herein collectively referred to as a "Cure Date"), as the case may be. The number of shares of APS to be redeemed shall be equal to the lesser of (i) the minimum number of shares of APS the redemption of which, if deemed to have occurred immediately prior to the opening of business on the Cure Date, together with all shares of other Preferred Shares then Outstanding subject to redemption or retirement, would result in the Trust having Fitch Eligible Assets and Moody's Eligible Assets with an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount or satisfaction of the 1940 Act APS Asset Coverage, as the case may be, on such Cure Date (provided that, if there is no such minimum number of shares of APS and shares of other Preferred Shares the redemption of which would have such result, all shares of APS and shares of other Preferred Shares then Outstanding shall be redeemed), and (ii) the maximum number of shares of APS, together with all shares of other Preferred Shares subject to redemption or retirement, that can be redeemed out of funds expected to be legally available therefor on such redemption date. In determining the number of shares of APS required to be redeemed in accordance with the foregoing, the Trust shall allocate the number required to be redeemed which would result in the Trust having Fitch Eligible Assets and Moody's Eligible Assets with an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount or satisfaction of the 1940 Act APS Asset Coverage, as the case may be, pro rata among shares of APS of all series, Other APS and other Preferred Shares subject to redemption pursuant to provisions similar to those contained in this paragraph 4(a)(ii); provided that, shares of APS which may not be redeemed at the option of the Trust due to the


B-31

designation of a Non-Call Period applicable to such shares (A) will be subject to mandatory redemption only to the extent that other shares are not available to satisfy the number of shares required to be redeemed and (B) will be selected for redemption in an ascending order of outstanding number of days in the Non-Call Period (with shares with the lowest number of days to be redeemed first) and by lot in the event of shares having an equal number of days in such Non-Call Period. The Trust shall effect such redemption on a Business Day which is not later than 35 days after such Cure Date, except that if the Trust does not have funds legally available for the redemption of all of the required number of shares of APS and shares of other Preferred Shares which are subject to mandatory redemption or the Trust otherwise is unable to effect such redemption on or prior to 35 days after such Cure Date, the Trust shall redeem those shares of APS which it is unable to redeem on the earliest practicable date on which it is able to effect such redemption out of funds legally available therefor.

(b) Notwithstanding any other provision of this paragraph 4, no shares of APS may be redeemed pursuant to paragraph 4(a)(i) of Article VII, of these Amended By-Laws (i) unless all dividends in arrears on all remaining Outstanding shares of Parity Shares shall have been or are being contemporaneously paid or declared and set apart for payment and (ii) if redemption thereof would result in the Trust's failure to maintain Fitch Eligible Assets and Moody's Eligible Assets with an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount. In the event that less than all the Outstanding shares of a series of APS are to be redeemed and there is more than one Holder, the shares of that series of APS to be redeemed shall be selected by lot or such other method as the Trust shall deem fair and equitable.

(c) Whenever shares of APS are to be redeemed, the Trust, not less than 17 nor more than 30 days prior to the date fixed for redemption, shall mail a notice ("Notice of Redemption") by first-class mail, postage prepaid, to each Holder of shares of APS to be redeemed and to the Auction Agent. The Trust shall cause the Notice of Redemption to also be published in the eastern and national editions of The Wall Street Journal. The Notice of Redemption shall set forth (i) the redemption date, (ii) the amount of the redemption price, (iii) the aggregate number of shares of APS of such series to be redeemed, (iv) the place or places where shares of APS of such series are to be surrendered for payment of the redemption price, (v) a statement that dividends on the shares to be redeemed shall cease to accumulate on such redemption date (except that holders may be entitled to Additional Dividends) and (vi) the provision of these Amended By-Laws pursuant to which such shares are being redeemed. No defect in the Notice of Redemption or in the mailing or publication thereof shall affect the validity of the redemption proceedings, except as required by applicable law.

If the Notice of Redemption shall have been given as aforesaid and, concurrently or thereafter, the Trust shall have deposited in trust with the Auction Agent, or segregated in an account at the Trust's custodian bank for the benefit of the Auction Agent, Deposit Securities (with a right of substitution) having an aggregate Discounted Value (utilizing in the case of Fitch the Fitch Exposure Period of 41 Business Days and in the case of Moody's the Moody's Exposure Period of 49 days) equal to the redemption payment for the shares of APS as to which such Notice of Redemption has been given with irrevocable instructions and authority to pay the redemption price to the Holders of such shares, then upon the date of such deposit or, if no such deposit is made, then upon such date fixed for redemption (unless the Trust shall default in making the redemption payment), all rights of the Holders of such shares as shareholders of the Trust by reason of the ownership of such shares will cease and terminate (except their right to receive the redemption price in respect thereof and any Additional Dividends, but without interest), and such shares shall no longer be deemed Outstanding. The Trust shall be entitled to receive, from time to time, from the Auction Agent the interest, if any, on such Deposit Securities deposited with it and the Holders of any shares so redeemed shall have no claim to any of such interest. In case the Holder of any shares so called for redemption shall not claim the redemption payment for his shares within one year after the date of redemption, the Auction Agent shall, upon demand, pay over to the Trust such amount remaining on deposit and the Auction Agent


B-32

shall thereupon be relieved of all responsibility to the Holder of such shares called for redemption and such Holder thereafter shall look only to the Trust for the redemption payment.

5. VOTING RIGHTS. (a) General. Except as otherwise provided in the Declaration of Trust or Amended By-Laws, each Holder of shares of APS shall be entitled to one vote for each share held on each matter submitted to a vote of shareholders of the Trust, and the holders of Outstanding shares of Preferred Shares, including APS, and of shares of Common Shares shall vote together as a single class; provided that, at any meeting of the shareholders of the Trust held for the election of trustees, the holders of Outstanding shares of Preferred Shares, including APS, shall be entitled, as a class, to the exclusion of the holders of all other securities and classes of capital stock of the Trust, to elect two trustees of the Trust. Subject to paragraph 5(b) hereof, the holders of outstanding shares of beneficial interest of the Trust, including the holders of Outstanding shares of Preferred Shares, including APS, voting as a single class, shall elect the balance of the trustees.

(b) Right to Elect Majority of Board of Trustees. During any period in which any one or more of the conditions described below shall exist (such period being referred to herein as a "Voting Period"), the number of trustees constituting the Board of Trustees shall be automatically increased by the smallest number that, when added to the two directors elected exclusively by the holders of shares of Preferred Shares, would constitute a majority of the Board of Trustees as so increased by such smallest number; and the holders of shares of Preferred Shares shall be entitled, voting separately as one class (to the exclusion of the holders of all other securities and classes of shares of beneficial interest of the Trust), to elect such smallest number of additional trustees, together with the two trustees that such holders are in any event entitled to elect. A Voting Period shall commence:

(i) if at any time accumulated dividends (whether or not earned or declared, and whether or not funds are then legally available in an amount sufficient therefor) on the Outstanding shares of APS equal to at least two full years' dividends shall be due and unpaid and sufficient cash or specified securities shall not have been deposited with the Auction Agent for the payment of such accumulated dividends; or

(ii) if at any time holders of any other shares of Preferred Shares are entitled to elect a majority of the trustees of the Trust under the 1940 Act. Upon the termination of a Voting Period, the voting rights described in this paragraph 5(b) shall cease, subject always, however, to the reverting of such voting rights in the Holders upon the further occurrence of any of the events described in this paragraph 5(b)

(c) Right to Vote with Respect to Certain Other Matters. So long as any shares of APS are Outstanding, the Trust shall not, without the affirmative vote of the Holders of at least a majority of the shares of Preferred Shares Outstanding at the time, voting separately as one class, approve any conversion of the Trust from a closed-end to an open-end investment company and (i) authorize, create or issue any class or series of shares of beneficial interest ranking prior to the APS or any other series of Preferred Shares with respect to payment of dividends or the distribution of assets on liquidation, or (ii) amend, alter or repeal the provisions of the Declaration of Trust, whether by merger, consolidation or otherwise, so as to adversely affect any of the contract rights expressly set forth in the Declaration of Trust of holders of shares of APS or any other Preferred Shares. To the extent permitted under the 1940 Act, in the event shares of more than one series of APS are Outstanding, the Trust shall not approve any of the actions set forth in clause (i) or (ii) which adversely affects the contract rights expressly set forth in the Declaration of Trust of a Holder of shares of a series of APS differently than those of a Holder of shares of any other series of APS without the affirmative vote of the holders of at least a majority of the shares of APS of each series adversely affected and Outstanding at such time (each such adversely affected series voting separately as a class). The Trust shall notify Fitch and Moody's ten (10) Business Days prior to any such vote described in clause (i) or (ii). Unless a higher percentage is provided for under the Declaration of Trust, the affirmative vote of the holders of a majority of the Outstanding shares of Preferred Shares, including APS, voting together as a single class, will be required to approve any plan of reorganization (including bankruptcy proceedings) adversely


B-33

affecting such shares or any action requiring a vote of security holders under
Section 13(a) of the 1940 Act. The class vote of holders of shares of Preferred Shares, including APS, described above will in each case be in addition to a separate vote of the requisite percentage of shares of Common Shares and shares of Preferred Shares, including APS, voting together as a single class necessary to authorize the action in question.

(d) Voting Procedures.

(i) As soon as practicable after the accrual of any right of the holders of shares of Preferred Shares to elect additional trustees as described in paragraph 5(b) above, the Trust shall call a special meeting of such holders and instruct the Auction Agent to mail a notice of such special meeting to such holders, such meeting to be held not less than 10 nor more than 20 days after the date of mailing of such notice. If the Trust fails to send such notice to the Auction Agent or if the Trust does not call such a special meeting, it may be called by any such holder on like notice. The record date for determining the holders entitled to notice of and to vote at such special meeting shall be the close of business on the fifth Business Day preceding the day on which such notice is mailed. At any such special meeting and at each meeting held during a Voting Period, such Holders, voting together as a class (to the exclusion of the holders of all other securities and classes of shares of beneficial interest of the Trust), shall be entitled to elect the number of directors prescribed in paragraph 5(b) above. At any such meeting or adjournment thereof in the absence of a quorum, a majority of such holders present in person or by proxy shall have the power to adjourn the meeting without notice, other than by an announcement at the meeting, to a date not more than 120 days after the original record date.

(ii) For purposes of determining any rights of the Holders to vote on any matter or the number of shares required to constitute a quorum, whether such right is created by these Amended By-Laws, by the other provisions of the Declaration of Trust, by statute or otherwise, a share of APS which is not Outstanding shall not be counted.

(iii) The terms of office of all persons who are trustees of the Trust at the time of a special meeting of Holders and holders of other Preferred Shares to elect trustees shall continue, notwithstanding the election at such meeting by the Holders and such other holders of the number of trustees that they are entitled to elect, and the persons so elected by the Holders and such other holders, together with the two incumbent trustees elected by the Holders and such other holders of Preferred Shares and the remaining incumbent trustees elected by the holders of the Common Shares and Preferred Shares, shall constitute the duly elected trustees of the Trust.

(iv) Simultaneously with the expiration of a Voting Period, the terms of office of the additional trustees elected by the Holders and holders of other Preferred Shares pursuant to paragraph 5(b) above shall terminate, the remaining trustees shall constitute the trustees of the Trust and the voting rights of the Holders and such other holders to elect additional trustees pursuant to paragraph 5(b) above shall cease, subject to the provisions of the last sentence of paragraph 5(b).

(e) Exclusive Remedy. Unless otherwise required by law, the Holders of shares of APS shall not have any rights or preferences other than those specifically set forth herein. The Holders of shares of APS shall have no preemptive rights or rights to cumulative voting. In the event that the Trust fails to pay any dividends on the shares of APS, the exclusive remedy of the Holders shall be the right to vote for trustees pursuant to the provisions of this paragraph 5.

(f) Notification to Fitch and Moody's. In the event a vote of Holders of APS is required pursuant to the provisions of Section 13(a) of the 1940 Act, the Trust shall, not later than ten Business Days prior to the date on which such vote is to be taken, notify Fitch that such vote is to be taken and the nature of the action with respect to which such vote is to be taken and, not later than ten Business Days after the date on which such vote is taken, notify Fitch of the result of such vote.

6. 1940 ACT APS ASSET COVERAGE. The Trust shall maintain, as of the last Business Day of each month in which any share of APS is Outstanding, the 1940 Act APS Asset Coverage.


B-34

7. APS BASIC MAINTENANCE AMOUNT. The following references in this paragraph 7 to Fitch Eligible Assets and/or Moody's Eligible Assets, as the case may be, are only applicable if Fitch and/or Moody's, as the case may be, is rating the APS.
(a) The Trust shall maintain, on each Valuation Date, and shall verify to its satisfaction that it is maintaining on such Valuation Date Fitch Eligible Assets and Moody's Eligible Assets having an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount Test. Upon any failure to maintain the required Discounted Value, the Trust will use its best efforts to alter the composition of its portfolio to retain a Discounted Value at least equal to the APS Basic Maintenance Amount Test on or prior to the APS Basic Maintenance Cure Date.

(b) On or before 5:00 p.m., New York City time, on the third Business Day after a Valuation Date on which the Trust fails to satisfy the APS Basic Maintenance Amount Test, the Trust shall complete and deliver to the Auction Agent, Moody's and Fitch, a complete APS Basic Maintenance Report as of the date of such failure, which will be deemed to have been delivered to the Auction Agent if the Auction Agent receives a copy or telecopy, telex or other electronic transcription thereof and on the same day the Trust mails to the Auction Agent for delivery on the next Business Day the complete APS Basic Maintenance Report. The Trust will deliver an APS Basic Maintenance Report to the Auction Agent, Moody's and Fitch, on or before 5:00 p.m., New York City time, on the third Business Day after a Valuation Date on which the Trust cures its failure to maintain Fitch Eligible Assets and Moody's, with an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount Test or on which the Trust fails to maintain Fitch Eligible Assets and Moody's Eligible Assets, with an aggregate Discounted Value which exceeds the APS Basic Maintenance Amount by 5% or more. The Trust will also deliver an APS Basic Maintenance Report to the Auction Agent, Fitch, and Moody's as of each Monthly Valuation Date on or before the third Business Day after such date. Additionally, on or before 5:00 p.m., New York City time, on the third Business Day after the first day of a Special Dividend Period, the Trust will deliver an APS Basic Maintenance Report to Fitch, Moody's and the Auction Agent. The Trust shall also provide Fitch and Moody' with an APS Basic Maintenance Report when specifically requested by Fitch or Moody's, as applicable. A failure by the Trust to deliver an APS Basic Maintenance Report under this paragraph 7(b) shall be deemed to be delivery of an APS Basic Maintenance Report indicating the Discounted Value for Fitch Eligible Assets and Moody's Eligible Assets of the Trust is less than the APS Basic Maintenance Amount Test, as of the relevant Valuation Date.

(c) Within ten (10) Business Days after the date of delivery of an APS Basic Maintenance Report in accordance with paragraph 7(b) above relating to a Valuation Date as of the last Business Day of the Trust's fiscal year, the Independent Accountant will confirm in writing to the Auction Agent, Moody's and Fitch (i) the mathematical accuracy of the calculations reflected in such Report (and in any other APS Basic Maintenance Report, randomly selected by the Independent Accountant, that was delivered by the Trust at year-end on such Valuation Date), (ii) that, in such Report (and in such randomly selected Report), the Trust correctly determined the assets of the Trust which constitute Fitch Eligible Assets and Moody's Eligible Assets at such Monthly Valuation Date in accordance with these Amended By-Laws, (iii) that, in such Report (and in such randomly selected Report), the Trust determined whether the Trust had, at such Valuation Date (and at the Valuation Date addressed in such randomly selected Report) in accordance with these Amended By-Laws, Fitch Eligible Assets and Moody's Eligible Assets of an aggregate Discounted Value at least equal to the APS Basic Maintenance Amount Test, (iv) with respect to the Fitch ratings on debt securities, the issuer name, issue size and coupon rate listed in such Report, that the Independent Accountant has requested that Fitch verify such information and the Independent Accountant shall provide a listing in its letter of any differences, (v) with respect to the Moody's ratings on debt securities, the issuer name, issue size and coupon rate listed in such Report, that such information has been verified by Moody's (in the event such information is not verified by Moody's, the Independent Accountant will inquire of Moody's what such information is, and provide a listing in its letter of any differences),
(vi) with respect to the bid or mean price (or such alternative permissible factor used in calculating the Market Value) provided by the custodian of the Trust's assets to the Trust for purposes of valuing securities in the Trust's


B-35

portfolio, the Independent Accountant has traced the price used in such Report to the bid or mean price listed in such Report as provided to the Trust and verified that such information agrees (in the event such information does not agree, the Independent Accountant will provide a listing in its letter of such differences) and (vii) with respect to such confirmation to Moody's, that the Trust has satisfied the requirements of paragraph 8(a) of these Amended By-Laws (such confirmation is herein called the "Accountant's Confirmation").

(d) Within ten (10) Business Days after the date of delivery of an APS Basic Maintenance Report in accordance with paragraph 7(b) above relating to any Valuation Date on which the Trust failed to maintain Fitch Eligible Assets and Moody's Eligible Assets with an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount, and relating to the APS Basic Maintenance Cure Date with respect to such failure, the Independent Accountant will provide to the Auction Agent, Moody's and Fitch an Accountant's Confirmation as to such APS Basic Maintenance Report.

(e) If any Accountant's Confirmation delivered pursuant to subparagraphs (c) or
(d) of this paragraph 7 shows that an error was made in the APS Basic Maintenance Report for a particular Valuation Date for which such Accountant's Confirmation as required to be delivered, or shows that a lower aggregate Discounted Value for the aggregate of all Fitch Eligible Assets and Moody's Eligible Assets of the Trust was determined by the Independent Accountant, the calculation or determination made by such Independent Accountant shall be final and conclusive and shall be binding on the Trust, and the Trust shall accordingly amend and deliver the APS Basic Maintenance Report to the Auction Agent, Moody's and Fitch promptly following receipt by the Trust of such Accountant's Confirmation.

(f) On or before 5:00 p.m., New York City time, on the first Business Day after the Date of Original Issue of the shares of APS, the Trust will complete and deliver to Fitch and Moody's an APS Basic Maintenance Report as of the close of business on such Date of Original Issue. Within five Business Days of such Date of Original Issue, the Independent Accountant will confirm in writing to Fitch and Moody's (i) the mathematical accuracy of the calculations reflected in such Report and (ii) that the aggregate Discounted Value of Fitch Eligible Assets or Moody's Eligible Assets, as applicable reflected thereon equals or exceeds the APS Basic Maintenance Amount reflected thereon. Also, on or before 5:00 p.m., New York City time, on the first Business Day after shares of Common Shares are repurchased by the Trust, the Trust will complete and deliver to Fitch and Moody's an APS Basic Maintenance Report as of the close of business on such date that Common Shares are repurchased.

8. CERTAIN OTHER MOODY'S RESTRICTIONS AND REQUIREMENTS.

(a) For so long as any APS are rated by Moody's, the Trust may buy or sell financial futures contracts, write, purchase or sell call options on financial futures contracts or purchase put options on financial futures contracts or write call options on portfolio securities, swaps and securities lending unless it receives written confirmation from Moody's that engaging in such transactions would impair the ratings then assigned to the APS by Moody's, (collectively "Moody's Hedging Transactions"), subject to the following limitations:

(i) Future and call options: For purposes of the APS Basic Maintenance Amount, futures held by the Trust and call options sold by the Trust shall not be included as Moody's Eligible Assets. However, such assets shall be valued at Market Value by subtracting the good faith margin and the maximum daily trading variance as of a Valuation Date. For call options purchased by the Trust, the Market Value of the call option will be included as Moody's Eligible Asset subject to a Moody's Discount Factor mutually agreed to between the Trust and Moody's based on the characteristics of the option contract such as its maturity and the underlying security of the contract.

(ii) Securities lending: The Trust may engage in securities lending in an amount not to exceed 15% of the Trust's total gross assets. For purposes of calculating the APS Basic Maintenance Amount, such securities lent shall be included as Moody's Eligible Assets with the appropriate Moody's Discount Factor applied to such lent security. The obligation to return such collateral shall not be included as an obligation/liability for purposes of calculating the APS Basic Maintenance Amount. However, the Trust


B-36

may reinvest cash collateral for securities lent in conformity with its investment objectives and policies and the provisions of these bylaws. In such event, to the extent that securities lending collateral received is invested by the Trust in assets that otherwise would be Moody's Eligible Assets and the value of such assets exceeds the amount of the Trust's Moody's Eligible Assets by applying the applicable Moody's Discount Factor to this amount and adding the product to total Moody's Eligible Assets. Conversely, if the value of assets in which securities lending collateral has been invested is less then the amount of the Trust's obligation to return the collateral on a Valuation Date, such difference shall be included as an obligation/liability of the Trust for purposes of calculating the APS Basic Maintenance Amount. Collateral received by the Trust in a securities lending transaction and maintained by the Trust in the form received shall not be included as a Moody's Eligible Asset for purposes of calculating the APS Basic Maintenance Amount.

(iii) Swaps (including Total Return Swaps, Interest Rate Swaps and Credit Default Swaps): Total return and Interest Rate Swaps are subject to the following provisions:

(A) Only the cumulative unsettled profit and loss from a Total Return Swap transaction will be calculated when determining the APS Basic Maintenance Amount. If the Trust has an outstanding gain from a swap transaction on a Valuation Date, the gain will be included as a Moody's Eligible Asset subject to the Moody's Discount Factor on the counterparty to the swap transaction. If the Trust has an outstanding liability from a swap transaction on a Valuation Date, the Trust will subtract the outstanding liability from the total Moody's Eligible Assets in calculating the APS Basic Maintenance Amount.

In addition, for swaps other than Total Return Swaps, the Market Value of the position (positive or negative) will be included as a Moody's Eligible Asset. The aggregate notional value of all swaps will not exceed the Liquidation Preference of the Outstanding APS. At the time a swap is executed, the Trust will only enter into swap transactions where the counterparty has at least a Fitch rating of A- or Moody's long-term rating of A3.

(B) (1) The underlying securities subject to a Credit Default Swap sold by the Trust will be subject to the applicable Moody's Discount Factor for each security subject to the swap;

(2) If the Trust purchases a Credit Default Swap and holds the underlying security, the Market Value of the Credit Default Swap and the underlying security will be included as a Moody's Eligible Asset subject to the Moody's Discount Factor assessed based on the counterparty risk and the duration of the swap agreement; and

(3) The Trust will not include a Credit Default Swap as a Moody's Eligible Asset purchased by the Trust without the Trust holding the underlying security or when the Trust buys a Credit Default Swap for a basket of securities without holding all the securities in the basket.

If not otherwise provided for in (a)(i)-(iii) above, derivative instruments shall be treated as follows: Any derivative instruments will be valued pursuant to the Trust's valuation procedures on a Valuation Date. The amount of the net payment obligation and the cost of a closing transaction, as appropriate, on any derivative instrument on a Valuation Date will be counted as a liability for purposes of determining the APS Basic Maintenance Amount (e.g,, a written call option that is in the money for the holder). Any derivative instrument with respect to which the Trust is owed payment on the Valuation Date that is not based upon an individual security or securities that are Moody's Eligible Assets will have a mutually agreed upon valuation by Moody's and the Trust for purposes of determining Moody's Eligible Assets. Any derivative instrument with respect to which the Trust is owed payment on the valuation date that is based upon an individual security or securities that are Moody's Eligible Assets (e.g., a purchased call option on a bond that is in the money) will be valued as follows for purposes of determining Moody's Eligible Assets: (A) For such derivative instruments that are exchange traded, the value of the in-the-money amount of the payment obligation to the Trust will be reduced by applying the Moody's Discount Factor (as it would apply to the underlying security or securities) and then added to Moody's Eligible Assets; and (B) for such derivative instruments that


B-37

are not exchange traded, the value of the in-the-money amount of the payment obligation to the Trust will be (1) reduced as described in (A) and (B) further reduced by applying to the remaining amount the Moody's Discount Factor determined by reference to the credit rating of the derivative counterparty with the remaining amount after these reductions then added to Moody's Eligible Assets.

For purposes of determining whether the Trust has Moody's Eligible Assets with an aggregate Discounted Value that equals or exceeds the APS Basic Maintenance Amount, the Discounted Value of all Forward Commitments to which the Trust is a party and of all securities deliverable to the Trust pursuant to such Forward Commitments shall be zero.

A preferred stock rating is an assessment of the capacity and willingness of an issuer to pay preferred stock obligations. The ratings on the Preferred Shares are not recommendations to purchase, hold, or sell those shares, inasmuch as the ratings do not comment as to market price or suitability for a particular investor. The rating agency guidelines described above also do not address the likelihood that an owner of Preferred Shares will be able to sell such shares in an Auction or otherwise.

The Trust agrees to notify Moody's and Fitch with no less than thirty (30) days' notification of: (i) any material changes to the Trust's organizational documents and material contracts, as determined by the Trust's officers, in their sole discretion, (ii) any redemptions of APS by the Trust, or (iii) any failed Auctions.

9. NOTICE. All notices or communications, unless otherwise specified in the Amended By-Laws of the Trust or these Amended By-Laws, shall be sufficiently given if in writing and delivered in person or mailed by first-class mail, postage prepaid. Notice shall be deemed given on the earlier of the date received or the date 7 days after which such notice is mailed.

10. AUCTION PROCEDURES. (a) Certain definitions. As used in this paragraph 10, the following terms shall have the following meanings, unless the context otherwise requires:

(i) "APS" means the shares of APS being auctioned pursuant to this paragraph 10.

(ii) "Auction Date" means the first Business Day preceding the first day of a Dividend Period.

(iii) "Available APS" has the meaning specified in paragraph 10(d)(i) below.

(iv) "Bid" has the meaning specified in paragraph 10(b)(i) below.

(v) "Bidder" has the meaning specified in paragraph 10(b)(i) below.

(vi) "Hold Order" has the meaning specified in paragraph 10(b)(i) below.

(vii) "Maximum Applicable Rate" for any Dividend Period will be the Applicable Percentage of the Reference Rate. The Applicable Percentage will be determined based on the credit rating assigned on such date to such shares by Fitch and Moody's (or if Fitch or Moody's shall not make such rating available, the equivalent of such rating by a Substitute Rating Agency) as follows:

CREDIT RATINGS
-----------------------------    PERCENTAGE OF
MOODY'S             FITCH        REFERENCE RATE
-------------   -------------   ----------------
Aa3 or higher   AA- or higher         150%
A3 to A1        A- to A+              160%
Baa3 to Baa1    BBB- to BBB+          250%
Below Baa3      Below BBB-            275%

The Trust shall take all reasonable action necessary to enable Fitch and Moody's to provide a rating for each series of APS. If Fitch or Moody's shall not make such a rating available, Eaton Vance Management or its affiliates and successors, after consultation with the Trust, shall select a nationally recognized statistical rating organization to act as a Substitute Rating Agency.


B-38

(viii) "Order" has the meaning specified in paragraph 10(b)(i) below.

(ix) "Sell Order" has the meaning specified in paragraph 10(b)(i) below.

(x) "Submission Deadline" means 1:30 p.m., New York City time, on any Auction Date or such other time on any Auction Date as may be specified by the Auction Agent from time to time as the time by which each Broker-Dealer must submit to the Auction Agent in writing all Orders obtained by it for the Auction to be conducted on such Auction Date.

(xi) "Submitted Bid" has the meaning specified in paragraph 10(d)(i) below.

(xii) "Submitted Hold Order" has the meaning specified in paragraph 10(d)(i) below.

(xiii) "Submitted Order" has the meaning specified in paragraph 10(d)(i) below.

(xiv) "Submitted Sell Order" has the meaning specified in paragraph 10(d)(i) below.

(xv) "Sufficient Clearing Bids" has the meaning specified in paragraph 10(d)(i) below.

(xvi) "Winning Bid Rate" has the meaning specified in paragraph 10(d)(i) below.

(b) Orders by Beneficial Owners, Potential Beneficial Owners, Existing Holders and Potential Holders.

(i) Unless otherwise permitted by the Trust, Beneficial Owners and Potential Beneficial Owners may only participate in Auctions through their Broker-Dealers. Broker-Dealers will submit the Orders of their respective customers who are Beneficial Owners and Potential Beneficial Owners to the Auction Agent, designating themselves as Existing Holders in respect of shares subject to Orders submitted or deemed submitted to them by Beneficial Owners and as Potential Holders in respect of shares subject to Orders submitted to them by Potential Beneficial Owners. A Broker-Dealer may also hold shares of APS in its own account as a Beneficial Owner. A Broker-Dealer may thus submit Orders to the Auction Agent as a Beneficial Owner or a Potential Beneficial Owner and therefore participate in an Auction as an Existing Holder or Potential Holder on behalf of both itself and its customers. On or prior to the Submission Deadline on each Auction Date:

(A) each Beneficial Owner may submit to its Broker-Dealer information as to:

(1) the number of Outstanding shares, if any, of APS held by such Beneficial Owner which such Beneficial Owner desires to continue to hold without regard to the Applicable Rate for the next succeeding Dividend Period;

(2) the number of Outstanding shares, if any, of APS held by such Beneficial Owner which such Beneficial Owner desires to continue to hold, provided that the Applicable Rate for the next succeeding Dividend Period shall not be less than the rate per annum specified by such Beneficial Owner; and/or

(3) the number of Outstanding shares, if any, of APS held by such Beneficial Owner which such Beneficial Owner offers to sell without regard to the Applicable Rate for the next succeeding Dividend Period; and

(B) each Broker-Dealer, using a list of Potential Beneficial Owners that shall be maintained in good faith for the purpose of conducting a competitive Auction, shall contact Potential Beneficial Owners, including Persons that are not Beneficial Owners, on such list to determine the number of Outstanding shares, if any, of APS which each such Potential Beneficial Owner offers to purchase, provided that the Applicable Rate for the next succeeding Dividend Period shall not be less than the rate per annum specified by such Potential Beneficial Owner.

For the purposes hereof, the communication by a Beneficial Owner or Potential Beneficial Owner to a Broker-Dealer, or the communication by a Broker-Dealer acting for its own account to the Auction Agent, of information referred to in clause (A) or (B) of this paragraph 10(b)(i) is hereinafter referred to as an "Order" and each Beneficial Owner and each Potential Beneficial Owner placing an Order,


B-39

including a Broker-Dealer acting in such capacity for its own account, is hereinafter referred to as a "Bidder"; an Order containing the information referred to in clause (A)(1) of this paragraph 10(b)(i) is hereinafter referred to as a "Hold Order"; an Order containing the information referred to in clause (A)(2) or (B) of this paragraph 10(b)(i) is hereinafter referred to as a "Bid"; and an Order containing the information referred to in clause (A)(3) of this paragraph 10(b)(i) is hereinafter referred to as a "Sell Order". Inasmuch as a Broker-Dealer participates in an Auction as an Existing Holder or a Potential Holder only to represent the interests of a Beneficial Owner or Potential Beneficial Owner, whether it be its customers or itself, all discussion herein relating to the consequences of an Auction for Existing Holders and Potential Holders also applies to the underlying beneficial ownership interests represented.

(ii) (A) A Bid by an Existing Holder shall constitute an irrevocable offer to sell:

(1) the number of Outstanding shares of APS specified in such Bid if the Applicable Rate determined on such Auction Date shall be less than the rate per annum specified in such Bid; or (1) such number or a lesser number of Outstanding shares of APS to be determined as set forth in paragraph 10(e)(i)(D) if the Applicable Rate determined on such Auction Date shall be equal to the rate per annum specified therein; or

(2) a lesser number of Outstanding shares of APS to be determined as set forth in paragraph 10(e)(ii)(C) if such specified rate per annum shall be higher than the Maximum Applicable Rate and Sufficient Clearing Bids do not exist.

(B) A Sell Order by an Existing Holder shall constitute an irrevocable offer to sell:

(1) the number of Outstanding shares of APS specified in such Sell Order; or

(2) such number or a lesser number of Outstanding shares of APS to be determined as set forth in paragraph 10(e)(ii)(C) if Sufficient Clearing Bids do not exist.

(C) A Bid by a Potential Holder shall constitute an irrevocable offer to purchase:

(1) the number of Outstanding shares of APS specified in such Bid if the Applicable Rate determined on such Auction Date shall be higher than the rate per annum specified in such Bid; or

(2) such number or a lesser number of Outstanding shares of APS to be determined as set forth in paragraph 10(e)(i)(E) if the Applicable Rate determined on such Auction Date shall be equal to the rate per annum specified therein.

(c) Submission of Orders by Broker-Dealers to Auction Agent

(i) Each Broker-Dealer shall submit in writing or through the Auction Agent's Auction Processing System to the Auction Agent prior to the Submission Deadline on each Auction Date all Orders obtained by such Broker-Dealer, designating itself (unless otherwise permitted by the Trust) as an Existing Holder in respect of shares subject to Orders submitted or deemed submitted to it by Beneficial Owners and as a Potential Holder in respect of shares subject to Orders submitted to it by Potential Beneficial Owners, and specifying with respect to each Order:

(A) the name of the Bidder placing such Order (which shall be the Broker-Dealer unless otherwise permitted by the Trust);

(B) the aggregate number of Outstanding shares of APS that are the subject of such Order;

(C) to the extent that such Bidder is an Existing Holder:

(1) the number of Outstanding shares, if any, of APS subject to any Hold Order placed by such Existing Holder;

(2) the number of Outstanding shares, if any, of APS subject to any Bid placed by such Existing Holder and the rate per annum specified in such Bid; and


B-40

(3) the number of Outstanding shares, if any, of APS subject to any Sell Order placed by such Existing Holder; and

(D) to the extent such Bidder is a Potential Holder, the rate per annum specified in such Potential Holder's Bid.

(ii) If any rate per annum specified in any Bid contains more than three figures to the right of the decimal point, the Auction Agent shall round such rate up to the next highest one-thousandth (.001) of 1%.

(iii) If an Order or Orders covering all of the Outstanding shares of APS held by an Existing Holder are not submitted to the Auction Agent prior to the Submission Deadline, either because a Broker-Dealer failed to contact such Existing Holder or otherwise, the Auction Agent shall deem a Hold Order (in the case of an Auction relating to a Dividend Period of 91 days or less) and a Sell Order (in the case of an Auction relating to a Special Dividend Period of longer than 91 days) to have been submitted by or on behalf of such Existing Holder covering the number of Outstanding shares of APS held by such Existing Holder and not subject to Orders submitted to the Auction Agent.

(iv) If one or more Orders on behalf of an Existing Holder covering in the aggregate more than the number of Outstanding shares of APS held by such Existing Holder are submitted to the Auction Agent, such Order shall be considered valid as follows and in the following order of priority:

(A) any Hold Order submitted on behalf of such Existing Holder shall be considered valid up to and including the number of Outstanding shares of APS held by such Existing Holder; provided that if more than one Hold Order is submitted on behalf of such Existing Holder and the number of shares of APS subject to such Hold Orders exceeds the number of Outstanding shares of APS held by such Existing Holder, the number of shares of APS subject to each of such Hold Orders shall be reduced pro rata so that such Hold Orders, in the aggregate, will cover exactly the number of Outstanding shares of APS held by such Existing Holder;

(B) any Bids submitted on behalf of such Existing Holder shall be considered valid, in the ascending order of their respective rates per annum if more than one Bid is submitted on behalf of such Existing Holder, up to and including the excess of the number of Outstanding shares of APS held by such Existing Holder over the number of shares of APS subject to any Hold Order referred to in paragraph 10(c)(iv)(A) above (and if more than one Bid submitted on behalf of such Existing Holder specifies the same rate per annum and together they cover more than the remaining number of shares that can be the subject of valid Bids after application of paragraph 10(c)(iv)(A) above and of the foregoing portion of this paragraph 10(c)(iv)(B) to any Bid or Bids specifying a lower rate or rates per annum, the number of shares subject to each of such Bids shall be reduced pro rata so that such Bids, in the aggregate, cover exactly such remaining number of shares); and the number of shares, if any, subject to Bids not valid under this paragraph 10(c)(iv)(B) shall be treated as the subject of a Bid by a Potential Holder; and

(C) any Sell Order shall be considered valid up to and including the excess of the number of Outstanding shares of APS held by such Existing Holder over the number of shares of APS subject to Hold Orders referred to in paragraph 10(c)(iv)(A) and Bids referred to in paragraph 10(c)(iv)(B); provided that if more than one Sell Order is submitted on behalf of any Existing Holder and the number of shares of APS subject to such Sell Orders is greater than such excess, the number of shares of APS subject to each of such Sell Orders shall be reduced pro rata so that such Sell Orders, in the aggregate, cover exactly the number of shares of APS equal to such excess.

(v) If more than one Bid is submitted on behalf of any Potential Holder, each Bid submitted shall be a separate Bid with the rate per annum and number of shares of APS therein specified.

(vi) Any Order submitted by a Beneficial Owner as a Potential Beneficial Owner to its Broker-Dealer, or by a Broker-Dealer to the Auction Agent, prior to the Submission Deadline on any Auction Date shall be irrevocable.


B-41

(d) Determination of Sufficient Clearing Bids, Winning Bid Rate and Applicable Rate.

(i) Not earlier than the Submission Deadline on each Auction Date, the Auction Agent shall assemble all Orders submitted or deemed submitted to it by the Broker-Dealers (each such Order as submitted or deemed submitted by a Broker-Dealer being hereinafter referred to individually as a "Submitted Hold Order", a "Submitted Bid" or a "Submitted Sell Order", as the case may be, or as a "Submitted Order") and shall determine:

(A) the excess of the total number of Outstanding shares of APS over the number of Outstanding shares of APS that are the subject of Submitted Hold Orders (such excess being hereinafter referred to as the "Available APS");

(B) from the Submitted Orders whether the number of Outstanding shares of APS that are the subject of Submitted Bids by Potential Holders specifying one or more rates per annum equal to or lower than the Maximum Applicable Rate exceeds or is equal to the sum of:

(1) the number of Outstanding shares of APS that are the subject of Submitted Bids by Existing Holders specifying one or more rates per annum higher than the Maximum Applicable Rate, and

(2) the number of Outstanding shares of APS that are subject to Submitted Sell Orders (if such excess or such equality exists (other than because the number of Outstanding shares of APS in clause (1) above and this clause (2) are each zero because all of the Outstanding shares of APS are the subject of Submitted Hold Orders), such Submitted Bids by Potential Holders being hereinafter referred to collectively as "Sufficient Clearing Bids"); and

(C) if Sufficient Clearing Bids exist, the lowest rate per annum specified in the Submitted Bids (the "Winning Bid Rate") that if:

(1) each Submitted Bid from Existing Holders specifying the Winning Bid Rate and all other Submitted Bids from Existing Holders specifying lower rates per annum were rejected, thus entitling such Existing Holders to continue to hold the shares of APS that are the subject of such Submitted Bids, and

(2) each Submitted Bid from Potential Holders specifying the Winning Bid Rate and all other Submitted Bids from Potential Holders specifying lower rates per annum were accepted, thus entitling the Potential Holders to purchase the shares of APS that are the subject of such Submitted Bids, would result in the number of shares subject to all Submitted Bids specifying the Winning Bid Rate or a lower rate per annum being at least equal to the Available APS.

(ii) Promptly after the Auction Agent has made the determinations pursuant to paragraph 10(d)(i), the Auction Agent shall advise the Trust of the Maximum Applicable Rate and, based on such determinations, the Applicable Rate for the next succeeding Dividend Period as follows:

(A) if Sufficient Clearing Bids exist, that the Applicable Rate for the next succeeding Dividend Period shall be equal to the Winning Bid Rate;

(B) if Sufficient Clearing Bids do not exist (other than because all of the Outstanding shares of APS are the subject of Submitted Hold Orders), that the Applicable Rate for the next succeeding Dividend Period shall be equal to the Maximum Applicable Rate; or

(C) if all of the Outstanding shares of APS are the subject of Submitted Hold Orders, that the Dividend Period next succeeding the Auction shall automatically be the same length as the immediately preceding Dividend Period and the Applicable Rate for the next succeeding Dividend Period shall be equal to 60% of the Reference Rate on the date of the Auction.

(e) Acceptance and Rejection of Submitted Bids and Submitted Sell Orders and Allocation of Shares. Based on the determinations made pursuant to paragraph
10(d)(i), the Submitted Bids and Submitted


B-42

Sell Orders shall be accepted or rejected and the Auction Agent shall take such other action as set forth below:

(i) If Sufficient Clearing Bids have been made, subject to the provisions of paragraph 10(e)(iii) and paragraph 10(e)(iv), Submitted Bids and Submitted Sell Orders shall be accepted or rejected in the following order of priority and all other Submitted Bids shall be rejected:

(A) the Submitted Sell Orders of Existing Holders shall be accepted and the Submitted Bid of each of the Existing Holders specifying any rate per annum that is higher than the Winning Bid Rate shall be accepted, thus requiring each such Existing Holder to sell the Outstanding shares of APS that are the subject of such Submitted Sell Order or Submitted Bid;

(B) the Submitted Bid of each of the Existing Holders specifying any rate per annum that is lower than the Winning Bid Rate shall be rejected, thus entitling each such Existing Holder to continue to hold the Outstanding shares of APS that are the subject of such Submitted Bid;

(C) the Submitted Bid of each of the Potential Holders specifying any rate per annum that is lower than the Winning Bid Rate shall be accepted;

(D) the Submitted Bid of each of the Existing Holders specifying a rate per annum that is equal to the Winning Bid Rate shall be rejected, thus entitling each such Existing Holder to continue to hold the Outstanding shares of APS that are the subject of such Submitted Bid, unless the number of Outstanding shares of APS subject to all such Submitted Bids shall be greater than the number of Outstanding shares of APS ("Remaining Shares") equal to the excess of the Available APS over the number of Outstanding shares of APS subject to Submitted Bids described in paragraph 10(e)(i)(B) and paragraph 10(e)(i)(C), in which event the Submitted Bids of each such Existing Holder shall be accepted, and each such Existing Holder shall be required to sell Outstanding shares of APS, but only in an amount equal to the difference between (1) the number of Outstanding shares of APS then held by such Existing Holder subject to such Submitted Bid and (2) the number of shares of APS obtained by multiplying (x) the number of Remaining Shares by (y) a fraction the numerator of which shall be the number of Outstanding shares of APS held by such Existing Holder subject to such Submitted Bid and the denominator of which shall be the sum of the number of Outstanding shares of APS subject to such Submitted Bids made by all such Existing Holders that specified a rate per annum equal to the Winning Bid Rate; and

(E) the Submitted Bid of each of the Potential Holders specifying a rate per annum that is equal to the Winning Bid Rate shall be accepted but only in an amount equal to the number of Outstanding shares of APS obtained by multiplying
(x) the difference between the Available APS and the number of Outstanding shares of APS subject to Submitted Bids described in paragraph 10(e)(i)(B), paragraph 10(e)(i)(C) and paragraph 10(e)(i)(D) by (y) a fraction the numerator of which shall be the number of Outstanding shares of APS subject to such Submitted Bid and the denominator of which shall be the sum of the number of Outstanding shares of APS subject to such 74 Submitted Bids made by all such Potential Holders that specified rates per annum equal to the Winning Bid Rate.

(ii) If Sufficient Clearing Bids have not been made (other than because all of the Outstanding shares of APS are subject to Submitted Hold Orders), subject to the provisions of paragraph 10(e)(iii), Submitted Orders shall be accepted or rejected as follows in the following order of priority and all other Submitted Bids shall be rejected:

(A) the Submitted Bid of each Existing Holder specifying any rate per annum that is equal to or lower than the Maximum Applicable Rate shall be rejected, thus entitling such Existing Holder to continue to hold the Outstanding shares of APS that are the subject of such Submitted Bid;

(B) the Submitted Bid of each Potential Holder specifying any rate per annum that is equal to or lower than the Maximum Applicable Rate shall be accepted, thus requiring such Potential Holder to purchase the Outstanding shares of APS that are the subject of such Submitted Bid; and


B-43

(C) the Submitted Bids of each Existing Holder specifying any rate per annum that is higher than the Maximum Applicable Rate shall be accepted and the Submitted Sell Orders of each Existing Holder shall be accepted, in both cases only in an amount equal to the difference between (1) the number of Outstanding shares of APS then held by such Existing Holder subject to such Submitted Bid or Submitted Sell Order and (2) the number of shares of APS obtained by multiplying
(x) the difference between the Available APS and the aggregate number of Outstanding shares of APS subject to Submitted Bids described in paragraph 10(e)(ii)(A) and paragraph 10(e)(ii)(B) by (y) a fraction the numerator of which shall be the number of Outstanding shares of APS held by such Existing Holder subject to such Submitted Bid or Submitted Sell Order and the denominator of which shall be the number of Outstanding shares of APS subject to all such Submitted Bids and Submitted Sell Orders.

(iii) If, as a result of the procedures described in paragraph 10(e)(i) or paragraph 10(e)(ii), any Existing Holder would be entitled or required to sell, or any Potential Holder would be entitled or required to purchase, a fraction of a share of APS on any Auction Date, the Auction Agent shall, in such manner as in its sole discretion it shall determine, round up or down the number of shares of APS to be purchased or sold by any Existing Holder or Potential Holder on such Auction Date so that each Outstanding share of APS purchased or sold by each Existing Holder or Potential Holder on such Auction Date shall be a whole share of APS.

(iv) If, as a result of the procedures described in paragraph 10(e)(i), any Potential Holder would be entitled or required to purchase less than a whole share of APS on any Auction Date, the Auction Agent shall, in such manner as in its sole discretion it shall determine, allocate shares of APS for purchase among Potential Holders so that only whole shares of APS are purchased on such Auction Date by any Potential Holder, even if such allocation results in one or more of such Potential Holders not purchasing any shares of APS on such Auction Date.

(v) Based on the results of each Auction, the Auction Agent shall determine, with respect to each Broker-Dealer that submitted Bids or Sell Orders on behalf of Existing Holders or Potential Holders, the aggregate number of Outstanding shares of APS to be purchased and the aggregate number of the Outstanding shares of APS to be sold by such Potential Holders and Existing Holders and, to the extent that such aggregate number of Outstanding shares to be purchased and such aggregate number of Outstanding shares to be sold differ, the Auction Agent shall determine to which other Broker-Dealer or Broker-Dealers acting for one or more purchasers such Broker-Dealer shall deliver, or from which other Broker-Dealer or Broker-Dealers acting for one or more sellers such Broker-Dealer shall receive, as the case may be, Outstanding shares of APS

(vi) If all Outstanding shares of APS are subject to Submitted Hold Orders, the Applicable Rate for such APS for the next succeeding Dividend Period thereof shall be the All Hold Rate.

(f) Miscellaneous. The Trust may interpret the provisions of this paragraph 10 to resolve any inconsistency or ambiguity, remedy any formal defect or make any other change or modification that does not substantially adversely affect the rights of Beneficial Owners of APS. A Beneficial Owner or an Existing Holder (A) may sell, transfer or otherwise dispose of shares of APS only pursuant to a Bid or Sell Order in accordance with the procedures described in this paragraph 10 or to or through a Broker-Dealer, provided that in the case of all transfers other than pursuant to Auctions such Beneficial Owner or Existing Holder, its Broker-Dealer, if applicable, or its Agent Member advises the Auction Agent of such transfer and (B) except as otherwise required by law, shall have the ownership of the shares of APS held by it maintained in book entry form by the Securities Depository in the account of its Agent Member, which in turn will maintain records of such Beneficial Owner's beneficial ownership. Neither the Trust nor any Affiliate shall submit an Order in any Auction. Any Beneficial Owner that is an Affiliate shall not sell, transfer or otherwise dispose of shares of APS to any Person other than the Trust. All of the Outstanding shares of APS of a series shall be represented by a single certificate registered in the name of the nominee of the Securities Depository unless otherwise required by law or unless there is no Securities Depository. If there is no Securities Depository, at the Trust's option and upon its receipt of such documents as it deems appropriate, any shares of APS may be


B-44

registered in the Stock Register in the name of the Beneficial Owner thereof and such Beneficial Owner thereupon will be entitled to receive certificates therefor and required to deliver certificates therefor upon transfer or exchange thereof.

11. SECURITIES DEPOSITORY; STOCK CERTIFICATES. (a) If there is a Securities Depository, one certificate for all of the shares of APS of each series shall be issued to the Securities Depository and registered in the name of the Securities Depository or its nominee. Additional certificates may be issued as necessary to represent shares of APS. All such certificates shall bear a legend to the effect that such certificates are issued subject to the provisions restricting the transfer of shares of APS contained in these Amended By-Laws. Unless the Trust shall have elected, during a Non-Payment Period, to waive this requirement, the Trust will also issue stop-transfer instructions to the Auction Agent for the shares of APS. Except as provided in paragraph

(b) below, the Securities Depository or its nominee will be the Holder, and no Beneficial Owner shall receive certificates representing its ownership interest in such shares. (b) If the Applicable Rate applicable to all shares of APS of a series shall be the Non-Payment Period Rate or there is no Securities Depository, the Trust may at its option issue one or more new certificates with respect to such shares (without the legend referred to in paragraph 11(a)) registered in the names of the Beneficial Owners or their nominees and rescind the stop-transfer instructions referred to in paragraph 11(a) with respect to such shares.


B-45

EATON VANCE SENIOR FLOATING-RATE TRUST

STATEMENT OF ADDITIONAL INFORMATION
JANUARY , 2004


INVESTMENT ADVISER AND ADMINISTRATOR
Eaton Vance Management
255 State Street
Boston, MA 02109

CUSTODIAN
Investors Bank & Trust Company
200 Clarendon Street
Boston, MA 02116

TRANSFER AGENT
PFPC Inc.
P.O. Box 43027
Providence, RI 02940-3027
(800) 331-1710

INDEPENDENT AUDITORS
Deloitte & Touche LLP
200 Berkeley Street
Boston, MA 02116


PART C

OTHER INFORMATION

ITEM 24. FINANCIAL STATEMENTS AND EXHIBITS

(1) FINANCIAL STATEMENTS:

Included in Part A:

Financial Highlights

Included in Part B:

Independent Auditor's Report

Statement of Assets and Liabilities

Notes to Financial Statement

Schedule of Portfolio Investments (unaudited)

Financial Statements (unaudited)

Notes to Financial Statements (unaudited)

(2) EXHIBITS:

(a) (1) Agreement and Declaration of Trust dated August 5, 2003 is incorporated herein by reference to the Registrant's initial Registration Statement on Form N-2 (File Nos. 333-108010 and 811-21411) as to the Registrant's common shares of beneficial interest ("Common Shares") filed with the Securities and Exchange Commission on August 15, 2003 (Accession No. 0000898432-03-000791) ("Initial Common Shares Registration Statement").

(2) Amendment dated October 15, 2003 to Agreement and Declaration of Trust is incorporated herein by reference to the Registrant's Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement filed with the Commission on October 24, 2003 (Accession No. 0000950135-03-005300) ("Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement").

(b) (1) By-Laws are incorporated herein by reference to the Registrant's Initial Common Shares Registration Statement.

(2) By-Laws Amendment dated October 15, 2003 are incorporated herein by reference to the Registrant's Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement.

(3) By-Laws Amendment dated January 15, 2004 filed herewith.

(4) Form of Amended By-Laws filed herewith.

(c) Not applicable.

(d) (1) Form of Specimen Certificate for Common Shares of Beneficial Interest is incorporated herein by reference to the Registrant's Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement.


(2) Form of Specimen Certificate of Series A Auction Preferred Shares is incorporated herein by reference to the Registrant's Initial Registration Statement on Form N-2 (file Nos. 333-111041 and 811-21411) as to the Registrant's Auction Preferred Shares ("APS") filed with the Commission on December 10, 2003 (Accession No. 0000898432-03-001228) ("Initial APS Registration Statement").

(3) Form of Specimen Certificate of Series B Auction Preferred Shares is incorporated herein by reference to the Registrant's Initial APS Registration Statement..

(4) Form of Specimen Certificate of Series C Auction Preferred Shares is incorporated herein by reference to the Registrant's Initial APS Registration Statement..

(5) Form of Specimen Certificate of Series D Auction Preferred Shares is incorporated herein by reference to the Registrant's Initial APS Registration Statement.

(e) Dividend Reinvestment Plan is incorporated herein by reference to the Registrant's Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement.

(f) Not applicable.

(g) (1) Investment Advisory Agreement dated October 20, 2003, is incorporated herein by reference to the Registrant's Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement.

(2) Expense Reimbursement Arrangement dated October 20, 2003, is incorporated herein by reference to the Registrant's Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement.

(h) (1) Form of Underwriting Agreement is incorporated herein by reference to the Registrant's Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement.

(2) Form of Master Agreement Among Underwriters is incorporated herein by reference to the Registrant's Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement.

(3) Form of Master Selected Dealers Agreement is incorporated herein by reference to the Registrant's Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement.

(4) Form of Underwriting Agreement as to Registrant's APS filed herewith.

(5) Form of Master Agreement Among Underwriters as to Registrant's APS is incorporated herein by reference to Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement.

(6) Form of Master Selected Dealers Agreement as to Registrant's APS is incorporated herein by reference to Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement.

2

(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) (1) Master Custodian Agreement with Investors Bank & Trust Company dated October 20, 2003, is incorporated herein by reference to the Registrant's Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement.

(2) Extension Agreement dated August 31, 2000 to Master Custodian Agreement with Investors Bank & Trust Company filed as Exhibit
(g)(4) to Post-Effective Amendment No. 85 of Eaton Vance Municipals Trust (File Nos. 33-572, 811-4409) filed with the Commission on January 23, 2001 (Accession No. 0000940394-01-500027) and incorporated herein by reference.

(3) Delegation Agreement dated December 11, 2000, with Investors Bank & Trust Company filed as Exhibit (j)(e) to the Eaton Vance Prime Rate Reserves N-2, Amendment No. 5 (File Nos. 333-32267, 811-05808) filed April 3, 2002 (Accession No. 0000940394-01-500126) and incorporated herein by reference.

(k) (1) Amendment to the Transfer Agency and Services Agreement dated October 20, 2003, is incorporated herein by reference to the Registrant's Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement.

(2) Transfer Agency and Services Agreement dated December 21, 1998, as amended and restated on June 16, 2003, filed as Exhibit (k)(2) to the Registration Statement of Eaton Vance Tax-Advantaged Dividend Income Fund (File Nos. 333-107050 and 811-21400) filed July 15, 2003 (Accession No. 0000898432-03-000638) and incorporated herein by reference.

(3) Administration Agreement dated October 20, 2003, is incorporated herein by reference to the Registrant's Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement.

(4) Form of Shareholder Serving Agreement is incorporated herein by reference to the Registrant's Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement.

(5) Form of Additional Compensation Agreement is incorporated herein by reference to the Registrant's Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement.

(6) Form of Auction Agreement between Registrant and the Auction Agent as to Registrant's Auction Preferred Shares filed herewith.

(7) Form of Broker-Dealer Agreement as to Registrant's Auction Preferred Shares filed herewith.

(l) Opinion and Consent of Kirkpatrick & Lockhart LLP as to Registrant's Auction Preferred Shares filed herewith.

3

(m) Not applicable.

(n) Consent of Independent Auditors filed herewith.

(o) Not applicable.

(p) Letter Agreement with Eaton Vance Management is incorporated herein by reference to Pre-Effective Amendment No. 2 to the Initial Common Shares Registration Statement filed with the Commission on November 20, 2003 (Accession No. 0000950135-03-005762).

(q) Not applicable.

(r) Code of Ethics adopted by Eaton Vance Corp., Eaton Vance Management, Boston Management and Research, Eaton Vance Distributors, Inc. and the Eaton Vance Funds effective September 1, 2000, as revised June 4, 2002, filed as Exhibit
(p) to Post-Effective Amendment No. 45 of Eaton Vance Investment Trust (File Nos. 33-1121, 811-4443) filed July 24, 2002 (Accession No. 0000940394-02-000462) and incorporated herein by reference.

(s) Power of Attorney dated October 20, 2003 is incorporated herein by reference to the Registrant's Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement.

ITEM 25. MARKETING ARRANGEMENTS

See Underwriting Agreement to be filed by amendment.

ITEM 26. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION

The approximate expenses in connection with the offering are as follows:

Registration and Filing Fees                                         $ 31,875
National Association of Securities Dealers, Inc. Fees                       0
Rating Agency Fees                                                    165,000
Costs of Printing and Engraving                                       115,000
Accounting Fees and Expenses                                           25,000
Legal Fees and Expenses                                               115,000
                                                                     ========
Total                                                                $451,875

ITEM 27. PERSONS CONTROLLED BY OR UNDER COMMON CONTROL

None.

ITEM 28. NUMBER OF HOLDERS OF SECURITIES

Set forth below is the number of record holders as of December 31, 2003, of each class of securities of the Registrant:

4

                   Title of Class                                   Number of Record Holders
                   --------------                                   ------------------------
Common Shares of Beneficial interest, par value
$0.01 per share                                                       33,255,000
Series A Auction Preferred Shares, par value                                   0
$0.01 per share
Series B Auction Preferred Shares, par value                                   0
$0.01 per share
Series C Auction Preferred Shares, par value                                   0
$0.01 per share
Series D Auction Preferred Shares, par value                                   0
$0.01 per share

ITEM 29. INDEMNIFICATION

The Registrant's By-Laws filed in the Initial Common Shares Registration Statement, the Amended By-Laws filed herewith, the Form of Underwriting Agreement filed in the Registrant's Pre-Effective Amendment No. 1 to the Initial Common Shares Registration Statement and the Form of Underwriting Agreement filed herein contains provisions limiting the liability, and providing for indemnification, of the Trustees and officers under certain circumstances.

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 official capacities as such.

Insofar as indemnification for liabilities arising under the Securities Act of 1933, as amended (the "Securities Act"), may be permitted to directors, officers and controlling persons of the Registrant pursuant to the provisions described in this Item 29, or otherwise, the Registrant has been advised that in the opinion of the Securities and Exchange Commission such indemnification is against public policy as expressed in the Securities Act and is therefore unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the Registrant of expenses incurred or paid by a director, officer or controlling person of the Registrant in the successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the Registrant will, unless in the opinion of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final adjudication of such issue.

ITEM 30. BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISER

Reference is made to: (i) the information set forth under the caption "Investment advisory and other services" in the Statement of Additional information; (ii) the Eaton Vance Corp. 10-K filed under the Securities Exchange Act of 1934 (File No. 001-8100); and (iii) the Form ADV of Eaton Vance Management (File No. 801-15930) filed with the Commission, all of which are 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, 200 Clarendon

5

Street, 16th Floor, Boston, MA 02116, and its transfer agent, PFPC Inc., 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, The Eaton Vance Building, 255 State Street, Boston, MA 02109. Registrant is informed that all applicable accounts, books and documents required to be maintained by registered investment advisers are in the custody and possession of Eaton Vance Management.

ITEM 32. MANAGEMENT SERVICES

Not applicable.

ITEM 33. UNDERTAKINGS

1. The Registrant undertakes to suspend offering of Common Shares until the prospectus is amended if (1) subsequent to the effective date of this Registration Statement, the net asset value declines more than 10 percent from its net asset value as of the effective ate of this Registration Statement or
(2) the net asset value increases to an amount greater than its net proceeds as stated in the prospectus.

2. Not applicable.

3. Not applicable.

4. Not applicable.

5. The Registrant undertakes that:

a. for the purpose of determining any liability under the Securities Act, the information omitted from the form of prospectus filed as part of this Registration Statement in reliance upon Rule 430A and contained in the form of prospectus filed by the Registrant pursuant to 497(h) under the Securities Act shall be deemed to be part of the Registration Statement as of the time it was declared effective; and

b. for the purpose of determining any liability under the Securities Act, each post-effective amendment that contains a form of prospectus 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.

6. The Registrant undertakes to send by first class mail or other means designed to ensure equally prompt delivery, within two business days of receipt of an oral or written request, its Statement of Additional Information.

6

NOTICE

A copy of the Agreement and Declaration of Trust of Eaton Vance Senior Floating-Rate Trust is on file with the Secretary of State of the Commonwealth of Massachusetts and notice is hereby given that this instrument is executed on behalf of the Registrant by an officer of the Registrant as an officer and not individually and that the obligations of or arising out of this instrument are not binding upon any of the Trustees, officers or shareholders individually, but are binding only upon the assets and property of the Registrant.

7

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 and the Investment Company Act of 1940, the Registrant has duly caused this Pre-Effective Amendment to the Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized in the City of Boston and the Commonwealth of Massachusetts, on the 16th day of January 2004.

EATON VANCE SENIOR FLOATING-RATE TRUST

By:   /s/ Thomas E. Faust Jr.
      -------------------------------
      Thomas E. Faust Jr.
      President

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

Signature                                Title                                  Date
---------                                -----                                  ----
/s/ Thomas E. Faust Jr                   President and Principal Executive      January 16, 2004
----------------------                   Officer
Thomas E. Faust Jr

/s/ Barbara E. Campbell                  Treasurer and Principal Financial      January 16, 2004
-----------------------                  and Accounting Officer
Barbara E. Campbell


/s/ Jessica M. Bibliowicz*               Trustee                                January 16, 2004
--------------------------
Jessica M. Bibliowicz

/s/ James B. Hawkes                      Trustee                                January 16, 2004
-------------------
James B. Hawkes

/s/ Samuel L. Hayes, III*                Trustee                                January 16, 2004
-------------------------
Samuel L. Hayes, III

/s/ William H. Park*                     Trustee                                January 16, 2004
--------------------
William H. Park

/s/ Ronald A. Pearlman*                  Trustee                                January 16, 2004
-----------------------
Ronald A. Pearlman

/s/ Norton H. Reamer*                    Trustee                                January 16, 2004
---------------------
Norton H. Reamer

/s/ Lynn A. Stout*                       Trustee                                January 16, 2004
------------------
Lynn A. Stout

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

8

INDEX TO EXHIBITS

(b)(3) By-Laws Amendment dated January 15, 2004

(b)(4) Form of Amended By-Laws

(h)(4) Form of Underwriting Agreement as to Registrant's Auction Preferred Shares

(k)(6) Form of Auction Agent Agreement

(k)(7) Form of Broker-Dealer Agreement

(l) Opinion and Consent of Kirkpatrick & Lockhart LLP

(n) Consent of Independent Auditors

9

Exhibit (b)(3)

AMENDMENT TO
BY-LAWS
OF
EATON VANCE SENIOR FLOATING-RATE TRUST

January 15, 2004

Pursuant to ARTICLE XIII and ARTICLE VII of the BY-LAWS of Eaton Vance Senior Floating-Rate Trust (the "Trust"), upon vote of a majority of the Trustees of the Trust, ARTICLE VII of the BY-LAWS of the Trust is amended to read as follows:

Fiscal Year

The fiscal year of the Trust shall end on October 31 of each year, provided, however, that the Trustees may from time to time change the fiscal year.

********************


EXHIBIT 99.(b)(4)

APPENDIX B: AMENDED BY-LAWS

EATON VANCE SENIOR FLOATING-RATE TRUST

AMENDMENT NO. 1 TO BY-LAWS--STATEMENT

CREATING FOUR SERIES OF

AUCTION PREFERRED SHARES

WHEREAS, Section 5.1 of Article VI of the Agreement and Declaration of Trust dated August 5, 2003 of Eaton Vance Senior Floating-Rate Trust (the "Declaration of Trust"), a copy of which is on file in the office of the Secretary of the Commonwealth of The Commonwealth of Massachusetts, provides that the Trustees may, without shareholder approval, authorize one or more classes of shares (which classes may be divided into two or more series), shares of each such class or series having such preferences, voting powers, restrictions, limitations as to dividends, qualifications, and terms and conditions of redemption, as the Trustees may determine and as shall be set forth in the By-laws; and

WHEREAS, pursuant to authority expressly vested in the Trustees of the Trust by
Section 5.1 of Article VI of the Declaration of Trust, the Trustees have authorized, in addition to that Trust's common shares, a class of 15,760 preferred shares which are now to be issued divided into one series of 3,940 shares, one series of 3,940 shares, one series of 3,940 shares, and one series of 3,940 shares of its authorized preferred shares, $0.01 par value, liquidation preference $25,000 per share plus accumulated but unpaid dividends thereon, if any (whether or not earned or declared), plus the premium, if any, resulting from the designation of a Premium Call Period, designated respectively Series A Auction Preferred Shares, Series B Auction Preferred Shares, Series C Auction Preferred Shares, and Series D Auction Preferred Shares.

NOW, THEREFORE, the By-laws of Eaton Vance Senior Floating-Rate Trust are hereby amended as follows:

1. ARTICLES VII through XIII shall be redesignated as ARTICLES VIII through XIV and all affected cross references therein hereby are amended accordingly.

2. A new ARTICLE VII shall be added as follows:

ARTICLE VII

STATEMENT CREATING FOUR SERIES OF AUCTION PREFERRED SHARES
DESIGNATION

Auction Preferred Shares, Series A: 3,940 shares of beneficial interest of Preferred Shares, par value $0.01 per share, liquidation preference $25,000 per share plus an amount equal to accumulated but unpaid dividends (whether or not earned or declared) thereon, is hereby designated "Auction Preferred Shares, Series A." Each share of Auction Preferred Shares, Series A (sometimes referred to herein as "Series A APS") may be issued on a date to be determined by the Board of Trustees of the Trust or pursuant to their delegated authority; have an Initial Dividend Rate and an Initial Dividend Payment Date as shall be determined in advance of the issuance thereof by the Board of Trustees of the Trust or pursuant to their delegated authority; and have such other preferences, voting powers, limitations as to dividends, qualifications and terms and conditions of redemption as are set forth in these Amended By-Laws. The Series A APS shall constitute a separate series of Preferred Shares of the Trust, and each share of Series A APS shall be identical.

Auction Preferred Shares, Series B: 3,940 shares of beneficial interest of Preferred Shares, par value $0.01 per share, liquidation preference $25,000 per share plus an amount equal to accumulated but unpaid dividends (whether or not earned or declared) thereon, is hereby designated "Auction Preferred


B-1

Shares, Series B." Each share of Auction Preferred Shares, Series B (sometimes referred to herein as "Series B APS") may be issued on a date to be determined by the Board of Trustees of the Trust or pursuant to their delegated authority; have an Initial Dividend Rate and an Initial Dividend Payment Date as shall be determined in advance of the issuance thereof by the Board of Trustees of the Trust or pursuant to their delegated authority; and have such other preferences, voting powers, limitations as to dividends, qualifications and terms and conditions of redemption as are set forth in these Amended By-Laws. The Series B APS shall constitute a separate series of Preferred Shares of the Trust, and each share of Series B APS shall be identical.

Auction Preferred Shares, Series C: 3,940 shares of beneficial interest of Preferred Shares, par value $0.01 per share, liquidation preference $25,000 per share plus an amount equal to accumulated but unpaid dividends (whether or not earned or declared) thereon, is hereby designated "Auction Preferred Shares, Series C." Each share of Auction Preferred Shares, Series C (sometimes referred to herein as "Series C APS") may be issued on a date to be determined by the Board of Trustees of the Trust or pursuant to their delegated authority; have an Initial Dividend Rate and an Initial Dividend Payment Date as shall be determined in advance of the issuance thereof by the Board of Trustees of the Trust or pursuant to their delegated authority; and have such other preferences, voting powers, limitations as to dividends, qualifications and terms and conditions of redemption as are set forth in these Amended By-Laws. The Series C APS shall constitute a separate series of Preferred Shares of the Trust, and each share of Series C APS shall be identical.

Auction Preferred Shares, Series D: 3,940 shares of beneficial interest of Preferred Shares, par value $0.01 per share, liquidation preference $25,000 per share plus an amount equal to accumulated but unpaid dividends (whether or not earned or declared) thereon, is hereby designated "Auction Preferred Shares, Series D." Each share of Auction Preferred Shares, Series D (sometimes referred to herein as "Series D APS") may be issued on a date to be determined by the Board of Trustees of the Trust or pursuant to their delegated authority; have an Initial Dividend Rate and an Initial Dividend Payment Date as shall be determined in advance of the issuance thereof by the Board of Trustees of the Trust or pursuant to their delegated authority; and have such other preferences, voting powers, limitations as to dividends, qualifications and terms and conditions of redemption as are set forth in these Amended By-Laws. The Series D APS shall constitute a separate series of Preferred Shares of the Trust, and each share of Series D APS shall be identical. The Series A APS, the Series B APS, the Series C APS, and the Series D APS are sometimes collectively referred to herein as the "APS."

1. DEFINITIONS. (a) Unless the context or use indicates another or different meaning or intent, in these Amended By-Laws the following terms have the following meanings, whether used in the singular or plural:

"28-Day Dividend Period" means a Dividend Period consisting of 28 days.

"1940 Act" means the Investment Company Act of 1940, as amended from time to time.

"1940 Act APS Asset Coverage" means asset coverage, as defined in section 18(h) of the 1940 Act, of at least 200% with respect to all outstanding senior securities of the Trust which are shares of beneficial interest, including all outstanding shares of APS and other Preferred Shares (or such other asset coverage as may in the future be specified in or under the 1940 Act as the minimum asset coverage for senior securities which are shares of beneficial interest of a closed-end investment company as a condition of paying dividends on its Common Shares).

"1940 Act Cure Date," with respect to the failure by the Trust to maintain the 1940 Act APS Asset Coverage (as required by paragraph 6 of these Amended By-Laws) as of the last Business Day of each month, means the last Business Day of the following month.

"'AA' Financial Composite Commercial Paper Rate," on any date of determination, means (i) the Interest Equivalent of the rate on commercial paper placed on behalf of issuers whose corporate bonds are rated "AA" by Fitch or "Aa" by Moody's or the equivalent of such rating by another Rating


B-2

Agency, as such rate is made available on a discount basis or otherwise by the Federal Reserve Bank of New York for the Business Day immediately preceding such date, or (ii) in the event that the Federal Reserve Bank of New York does not make available such a rate, then the arithmetic average of the Interest Equivalent of the rate on commercial paper placed on behalf of such issuers, as quoted on a discount basis or otherwise by UBS Securities LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated or their successors that are Commercial Paper Dealers, to the Auction Agent for the close of business on the Business Day immediately preceding such date. If one of the Commercial Paper Dealers does not quote a rate required to determine the "AA" Financial Composite Commercial Paper Rate, the "AA" Financial Composite Commercial Paper Rate will be determined on the basis of the quotation or quotations furnished by any Substitute Commercial Paper Dealer or Substitute Commercial Paper Dealers selected by the Trust to provide such rate or rates not being supplied by the Commercial Paper Dealer. If the number of Dividend Period days shall be (i) 7 or more but fewer than 49 days, such rate shall be the Interest Equivalent of the 30-day rate on such commercial paper; (ii) 49 or more but fewer than 70 days, such rate shall be the Interest Equivalent of the 60-day rate on such commercial paper; (iii) 70 or more days but fewer than 85 days, such rate shall be the arithmetic average of the Interest Equivalent on the 60-day and 90-day rates on such commercial paper; (iv) 85 or more days but fewer than 99 days, such rate shall be the Interest Equivalent of the 90-day rate on such commercial paper;
(v) 99 or more days but fewer than 120 days, such rate shall be the arithmetic average of the Interest Equivalent of the 90-day and 120-day rates on such commercial paper; (vi) 120 or more days but fewer than 141 days, such rate shall be the Interest Equivalent of the 120-day rate on such commercial paper; (vii) 141 or more days but fewer than 162 days, such rate shall be the arithmetic average of the Interest Equivalent of the 120-day and 180-day rates on such commercial paper; and (viii) 162 or more days but fewer than 183 days, such rate shall be the Interest Equivalent of the 180-day rate on such commercial paper.

"Accountant's Confirmation" has the meaning set forth in paragraph 7(c) of these Amended By-Laws.

"Adviser" means the Trust's investment adviser, which initially shall be Eaton Vance Management.

"Affiliate" means any person known to the Auction Agent to be controlled by, in control of or under common control with the Trust; provided that Eaton Vance Management shall not be deemed to be an Affiliate nor shall any corporation or any person controlled by, in control of or under common control with such entity, one of the trustees, directors or executive officers of which is also a trustee, director or executive officer of the Trust, be deemed to be an Affiliate.

"Agent Member" means a member of the Securities Depository that will act on behalf of a Beneficial Owner of one or more shares of APS or a Potential Beneficial Owner.

"All Hold Rate" means 80% of the "AA" Financial Composite Commercial Paper Rate.

"Amended By-Laws" means the By-Laws of the Trust, as amended by this Statement creating the APS and as may otherwise be amended from time-to-time.

"Applicable Percentage" has the meaning set forth in paragraph 10(a)(vii) of these Amended By-Laws.

"Applicable Rates" means the rates per annum at which cash dividends are payable on each Series of APS or Other APS, as the case may be, for any Dividend Period.

"Approved Price" means the "fair value" as determined by the Trust in accordance with the valuation procedures adopted from time to time by the Board of Trustees of the Trust and for which the Trust receives a marked-to-market price (which, for the purpose of clarity, shall not mean Market Value) from an independent source at least semi-annually.

"APS" means, as the case may be, the Auction Preferred Shares.

"APS Basic Maintenance Amount," as of any Valuation Date, shall mean the dollar amount equal to the sum of (i)(A) the product of the number of Outstanding shares of each Series of APS on such date by the Liquidation Preference (and redemption premium, if any) per share of such Series; (B) the


B-3

aggregate amount of dividends that will have accumulated at the respective Applicable Rates (whether or not earned or declared) to (but not including) the first respective Dividend Payment Dates for each Series of APS Outstanding that follows such Valuation Date; (C) the aggregate amount of dividends that would accumulate on Outstanding Preferred Shares from such first Dividend Payment Dates therefor referenced in (B) of this paragraph through the 45th day after such Valuation Date at the respective Applicable Rates referenced in (B) of this paragraph; (D) the amount of anticipated non-interest expenses of the Trust for the 90 days subsequent to such Valuation Date; (E) the amount of the current outstanding balances of any indebtedness or obligations of the Trust senior in right of payment to the Preferred Shares plus interest actually accrued together with 30 days additional interest on the current outstanding balances calculated at the current rate; and (F) any other current liabilities payable during the 30 days subsequent to such Valuation Date, including, without limitation, indebtedness due within one year and any redemption premium due with respect to the Preferred Shares for which a Notice of Redemption has been sent, as of such Valuation Date, to the extent not reflected in any of (i)(A) through (i)(E) (including, without limitation, any liabilities incurred for the purpose of clearing securities transactions) less (ii) the sum of any cash plus the value of any of the Trust's assets irrevocably deposited by the Trust for the payment of any of (i)(A) through (i)(F) ("value," for purposes of this clause (ii), means the Discounted Value of the security, except that if the security matures prior to the relevant redemption payment date and is either fully guaranteed by the U.S. Government or is rated P2 by Moody's and A2 by Fitch, it will be valued at its face value).

"APS Basic Maintenance Amount Test" means a test which is met if: (a) the aggregate Discounted Values of the Moody's Eligible Assets meets or exceeds 1.2 times the APS Basic Maintenance Amount and (b) the aggregate Discounted Values of the Fitch Eligible Assets meets or exceeds 1.0 times the APS Basic Maintenance Amount.

"APS Basic Maintenance Cure Date," with respect to the failure by the Trust to satisfy the APS Basic Maintenance Amount (as required by paragraph 7(a) of these Amended By-Laws) as of a given Valuation Date, means the second Business Day following such Valuation Date.

"APS Basic Maintenance Report" means a report signed by any of the President, Treasurer, any Senior Vice President or any Vice President of the Trust which sets forth, as of the related Valuation Date, the assets of the Trust, the Market Value and the Discounted Value thereof (seriatim and in aggregate), and the APS Basic Maintenance Amount.

"Auction" means a periodic operation of the Auction Procedures.

"Auction Agent" means Deutsche Bank Trust Company Americas unless and until another commercial bank, trust company or other financial institution appointed by a resolution of the Board of Trustees of the Trust or a duly authorized committee thereof enters into an agreement with the Trust to follow the Auction Procedures for the purpose of determining the Applicable Rate and to act as transfer agent, registrar, dividend disbursing agent and redemption agent for the APS and Other APS.

"Auction Procedures" means the procedures for conducting Auctions set forth in paragraph 10 of this Article VII, of these Amended By-Laws.

"Beneficial Owner" means a customer of a Broker-Dealer who is listed on the records of that Broker-Dealer (or, if applicable, the Auction Agent) as a holder of shares of APS or a Broker-Dealer that holds APS for its own account.

"Broker-Dealer" means any broker-dealer, or other entity permitted by law to perform the functions required of a Broker-Dealer in paragraph 10 of this Article VII, of these Amended By-Laws, that has been selected by the Trust and has entered into a Broker-Dealer Agreement with the Auction Agent that remains effective.

"Broker-Dealer Agreement" means an agreement between the Auction Agent and a Broker-Dealer pursuant to which such Broker-Dealer agrees to follow the procedures specified in paragraph 10 of this Article VII, of these Amended By-Laws.


B-4

"Business Day" means a day on which The New York Stock Exchange is open for trading and which is not a Saturday, Sunday or other day on which banks in The City of New York are authorized or obligated by law to close.

"Code" means the Internal Revenue Code of 1986, as amended.

"Commercial Paper Dealers" means UBS Securities LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated and such other commercial paper dealer or dealers as the Trust may from time to time appoint, or, in lieu of any thereof, their respective affiliates or successors.

"Common Shares" means the shares of beneficial interest designated as common shares, par value $0.01 per share, of the Trust.

"Credit Default Swap" has the meaning as defined under "Swap."

"Date of Original Issue" means, with respect to any share of APS or Other APS, the date on which the Trust originally issues such share.

"Declaration of Trust" means the Agreement and Declaration of Trust, as amended and supplemented (including these Amended By-Laws), of the Trust.

"Deposit Securities" means cash and Senior Loans rated at least A2 (having a remaining maturity of 12 months or less), P-1, VMIG-1 or MIG-1 by Moody's or A (having a remaining maturity of 12 months or less), F-1+ by Fitch.

"Discounted Value" as of any Valuation Date, means (i) with respect to an Fitch Eligible Asset, the quotient of the Market Value thereof divided by the applicable Fitch Discount Factor and (ii)(a) with respect to a Moody's Eligible Asset that is not currently callable as of such Valuation Date at the option of the issuer thereof, the quotient of the Market Value thereof divided by the applicable Moody's Discount Factor, or (b) with respect to a Moody's Eligible Asset that is currently callable as of such Valuation Date at the option of the issuer thereof, the quotient of (1) the lesser of the Market Value or call price thereof, including any call premium, divided by (2) the applicable Moody's Discount Factor.

"Dividend Payment Date," with respect to APS, has the meaning set forth in paragraph 2(b)(i) of these Amended By-Laws and, with respect to Other APS, has the equivalent meaning.

"Dividend Period" means the Initial Dividend Period, any 28-day Dividend Period and any Special Dividend Period.

"Existing Holder" means a Broker-Dealer or any such other Person as may be permitted by the Trust that is listed as the holder of record of shares of APS in the Share Books.

"Fitch" means Fitch Ratings and its successors at law.

"Fitch Discount Factor" means for purposes of determining the Discounted Value of any Fitch Eligible Asset, the percentage determined as follows. The Fitch Discount Factor for any Fitch Eligible Asset other than the securities set forth below will be the percentage provided in writing by Fitch.


B-5

(i) Corporate Debt Securities: The percentage determined by reference to the rating on such asset with reference to the remaining term to maturity of such asset, in accordance with the table set forth below.

DISCOUNT FACTORS FOR CORPORATE DEBT SECURITIES INCLUDING NON-INVESTMENT GRADE BONDS (NON-CONVERTIBLES)

TERMS TO MATURITY                                  AAA   AA     A    BBB   BB     B    NR(1)
-----------------                                  ---   ---   ---   ---   ---   ---   -----
1 year or less...................................  106   108   110   112   130   152    152
2 years or less (but longer than 1 year).........  106   108   110   112   130   152    152
3 years or less (but longer than 2 years)........  106   108   110   112   130   152    152
4 years or less (but longer than 3 years)........  111   113   115   117   134   152    152
5 years or less (but longer than 4 years)........  111   113   115   117   134   152    152
7 years or less (but longer than 5 years)........  114   116   118   120   136   152    152
10 years or less (but longer than 7 years).......  116   118   120   122   137   152    152
15 years or less (but longer than 10 years)......  120   122   124   124   139   152    152
30 years or less (but longer than 15 years)......  124   127   129   129   145   152    152
Greater than 30 years............................  124   127   129   129   145   152    152


(1) If a security is not rated by Fitch but is rated by two other Rating Agencies, then the lower of the ratings on the security from the two other Rating Agencies will be used to determine the Fitch Discount Factor (e.g., where the S&P rating is A and the Moody's rating is Baa, a Fitch rating of BBB will be used). If a security is not rated by Fitch but is rated by only one other Rating Agency, then the rating on the security from the other Rating Agency will be used to determine the Fitch Discount Factor (e.g., where the only rating on a security is an S&P rating of AAA, a Fitch rating of AAA will be used, and where the only rating on a security is a Moody's rating of Ba, a Fitch rating of BB will be used). If a security is not rated by any Rating Agency, the Trust will use the percentage set forth under "not rated" in this table. Securities rated below B by Fitch shall be traded the same as securities not rated by Fitch.

The Fitch Discount Factors presented in the immediately preceding table apply to corporate debt securities that are Performing and have a Market Value determined by a Pricing Service or an Approved Price. The Fitch Discount Factor noted in the table above for a debt security rated B by Fitch shall apply to any non-Performing debt security with a price equal to or greater than $0.90. The Fitch Discount Factor noted in the table above for a debt security rated CCC by Fitch shall apply to any non-Performing debt security with a price less than $0.90 but equal to or greater than $0.20. If a debt security does not have a Market Value determined by a Pricing Service or an Approved Price, a rating two rating categories below the actual rating on the debt security will be used (e.g., where the actual rating is A-, the rating for Debt Securities rated BB- will be used). The Fitch Discount Factor for a debt security issued by a limited partnership that is not a Rule 144A Security shall be the Discount Factor determined in accordance with the table set forth above multiplied by 105%.

The Fitch Discount Factors presented in the immediately preceding table will also apply to corporate obligations backed by a guaranty, a letter of credit or insurance issued by a third party. If the third-party credit rating is the basis for the rating on the obligation, then the rating on the third party will be used to determine the Fitch Discount Factor in the table.


B-6

(ii) Preferred stock: The percentage determined by references to the rating of a preferred stock in accordance with the table set forth below.

PREFERRED STOCK(1)                                             DISCOUNT FACTOR
------------------                                             ---------------
AAA.........................................................         130%
AA..........................................................         133%
A...........................................................         135%
BBB.........................................................         139%
BB..........................................................         154%
Not rated or below BB.......................................         161%
Investment Grade DRD........................................         164%
Not rated or below Investment Grade DRD.....................         200%


(1) If a security is not rated by Fitch but is rated by two other Rating Agencies, then the lower of the ratings on the security from the two other Rating Agencies will be used to determine the Fitch Discount Factor (e.g., where the S&P rating is A and the Moody's rating is Baa, a Fitch rating of BBB will be used). If a security is not rated by Fitch but is rated by only one other Rating Agency, then the rating on the security from the other Rating Agency will be used to determine the Fitch Discount Factor (e.g., where the only rating on a security is an S&P rating of AAA, a Fitch rating of AAA will be used, and where the only rating on a security is a Moody's rating of Ba, a Fitch rating of BB will be used). If a security is not rated by any Rating Agency, the Trust will use the percentage set forth under "not rated" in this table.

(iii) Convertible securities: The Fitch Discount Factor applied to convertible securities is (A) 200% for investment grade convertibles and (B) 222% for below investment grade convertibles so long as such convertible debt securities have neither (x) conversion premium greater than 100% nor (y) have a yield to maturity or yield to worst of greater than 15.00% above the relevant Treasury curve.

The Fitch Discount Factor applied to convertible debt securities which have conversion premiums of greater than 100% is (A) 152% for investment grade convertibles and (B) 179% for below investment grade convertibles so long as such convertible debt securities do not have a yield to maturity or yield to worst of greater than 15.00% above the relevant Treasury curve.

The Fitch Discount Factor applied to convertible debt securities which have a yield to maturity or yield to worse of greater than 15.00% above the relevant Treasury curve is 370%.

If a security is not rated by Fitch but is rated by two other Rating Agencies, then the lower of the ratings on the security from the two other Rating Agencies will be used to determine the Fitch Discount Factor (e.g., where the S&P rating is A and the Moody's rating is Baa, a Fitch rating of BBB will be used). If a security is not rated by Fitch but is rated by only one other Rating Agency, then the rating on the security from the other Rating Agency will be used to determine the Fitch Discount Factor (e.g., where the only rating on a security is an S&P rating of AAA, a Fitch rating of AAA will be used, and where the only rating on a security is a Moody's rating of Ba, a Fitch rating of BB will be used). If a security is not rated by any Rating Agency, the Trust will treat the security as if it were below investment grade.


B-7

(iv) U.S. Government Securities:

TIME REMAINING TO MATURITY                                     DISCOUNT FACTOR
--------------------------                                     ---------------
1 year or less..............................................        101.5%
2 years or less (but longer than 1 year)....................          103%
3 years or less (but longer than 2 years)...................          105%
4 years or less (but longer than 3 years)...................          107%
5 years or less (but longer than 4 years)...................          109%
7 years or less (but longer than 5 years)...................          112%
10 years or less (but longer than 7 years)..................          114%
15 years or less (but longer than 10 years).................          122%
20 years or less (but longer than 15 years).................          130%
25 years or less (but longer than 20 years).................          146%
Greater than 30 years.......................................          154%

(v) Short-Term Investments and Cash: The Fitch Discount Factor applied to short-term portfolio securities, including without limitation Debt Securities, Short Term Money Market Instruments and municipal debt obligations, will be (A) 100%, so long as such portfolio securities mature or have a demand feature at par exercisable within the Fitch Exposure Period; (B) 115%, so long as such portfolio securities mature or have a demand feature at par not exercisable within the Fitch Exposure Period; and (C) 125%, so long as such portfolio securities neither mature nor have a demand feature at par exercisable within the Fitch Exposure Period. A Fitch Discount Factor of 100% will be applied to cash.

(vi) Rule 144A Securities: The Fitch Discount Factor applied to Rule 144A Securities shall be the Discount Factor determined in accordance with the table above under Corporate Debt Securities in subsection (i) multiplied by 110% until such securities are registered under the Securities Act.

(vii) Senior Loans: The Fitch Discount Factor applied to senior, secured floating rate Loans made to corporate and other business entities ("Senior Loans") shall be the percentage specified in the table below opposite such Fitch Loan Category:

FITCH LOAN CATEGORY                                            DISCOUNT FACTOR
-------------------                                            ---------------
A...........................................................         115%
B...........................................................         130%
C...........................................................         152%
D...........................................................         370%

(viii) Futures and call options: For purposes of the APS Basic Maintenance Amount, futures held by the Trust and call options sold by the Trust shall not be included as Fitch Eligible Assets. However, such assets shall be valued at Market Value by subtracting the good faith margin and the maximum daily trading variance as of a Valuation Date. For call options purchased by the Trust, the Market Value of the call option will be included as Fitch Eligible Asset subject to a Fitch Discount Factor mutually agreed to between the Trust and Fitch based on the characteristics of the option contract such as its maturity and the underlying security of the contract.

(ix) Securities lending: The Trust may engage in securities lending in an amount not to exceed 15% of the Trust's total gross assets. For purposes of calculating the APS Basic Maintenance Amount, such securities lent shall be included as Fitch Eligible Assets with the appropriate Fitch Discount Factor applied to such lent security. The obligation to return such collateral shall not be included as an obligation/liability for purposes of calculating the APS Basic Maintenance Amount. However, the Fund may reinvest cash collateral for securities lent in conformity with its investment objectives and policies and the provisions of these bylaws. In such event, to the extent that securities lending collateral


B-8

received is invested by the Fund in assets that otherwise would be Fitch Eligible Assets and the value of such assets exceeds the amount of the Fund's obligation to return the collateral on a Valuation Date, such excess amount shall be included in the calculation of Fitch Eligible Assets by applying the applicable Fitch Discount Factor to this amount and adding the product to total Fitch Eligible Assets. Conversely, if the value of assets in which securities lending collateral has been invested is less then the amount of the Fund's obligation to return the collateral on a Valuation Date, such difference shall be included as an obligation/liability of the Fund for purposes of calculating the APS Basic Maintenance Amount. Collateral received by the Trust in a securities lending transaction and maintained by the Trust in the form received shall not be included as a Fitch Eligible Asset for purposes of calculating the APS Basic Maintenance Amount.

(x) Swaps (including Total Return Swaps, Interest Rate Swaps and Credit Default Swaps): Total Return and Interest Rate Swaps are subject to the following provisions:

If the Trust has an outstanding gain from a swap transaction on a Valuation Date, the gain will be included as a Fitch Eligible Asset subject to the Fitch Discount Factor on the counterparty to the swap transaction. At the time a swap is executed, the Trust will only enter into swap transactions where the counterparty has at least a Fitch rating of A- or Moody's rating of A3.

(A) Only the cumulative unsettled profit and loss from a Total Return Swap transaction will be calculated when determining the APS Basic Maintenance Amount. If the Trust has an outstanding liability from a swap transaction on a Valuation Date, the Trust counts such liability as an outstanding liability from the total Fitch Eligible Assets in calculating the APS Basic Maintenance Amount.

(B) In addition, for swaps other than Total Return Swaps, the Market Value of the position (positive or negative) will be included as a Fitch Eligible Asset. The aggregate notional value of all swaps will not exceed the Liquidation Preference of the Outstanding APS.

(C) (1) The underlying securities subject to a Credit Default Swap sold by the Trust will be subject to the applicable Fitch Discount Factor for each security subject to the swap;

(2) If the Trust purchases a Credit Default Swap and holds the underlying security, the Market Value of the Credit Default Swap and the underlying security will be included as a Fitch Eligible Asset subject to the Fitch Discount Factor assessed based on the counterparty risk; and

(3) The Trust will not include a Credit Default Swap as a Fitch Eligible Asset purchased by the Trust without the Trust holding the underlying security or when the Trust buys a Credit Default Swap for a basket of securities without holding all the securities in the basket.

"Fitch Eligible Asset" means:

(i) Cash (including interest and dividends due on assets rated (A) BBB or higher by Fitch or the equivalent by another Rating Agency if the payment date is within five (5) Business Days of the Valuation Date, (B) A or higher by Fitch or the equivalent by another Rating Agency if the payment date is within thirty days of the Valuation Date, and (C) A+ or higher by Fitch or the equivalent by another Rating Agency if the payment date is within the Fitch Exposure Period) and receivables for Fitch Eligible Assets sold if the receivable is due within five (5) Business Days of the Valuation Date, and if the trades which generated such receivables are settled within five (5) Business Days;

(ii) Short Term Money Market Instruments so long as (A) such securities are rated at least F1+ by Fitch or the equivalent by another Rating Agency, (B) in the case of demand deposits, time deposits and overnight funds, the supporting entity is rated at least A by Fitch or the equivalent by another Rating Agency, or (C) in all other cases, the supporting entity (1) is rated at least A by Fitch or the equivalent by another Rating Agency and the security matures within one month, (2) is rated at least A by Fitch or the equivalent by another Rating Agency and the security matures within three months or (3) is rated at least AA by Fitch or the equivalent by another Rating Agency and the security matures within six months;


B-9

(iii) U.S. Government Securities;

(iv) Debt securities if such securities have been registered under the Securities Act or are restricted as to resale under federal securities laws but are eligible for resale pursuant to Rule 144A under the Securities Act as determined by the Trust's Adviser acting pursuant to procedures approved by the Board of Trustees of the Trust; and such securities are issued by (1) a U.S. corporation, limited liability company or limited partnership, (2) a corporation, limited liability company or limited partnership domiciled in Argentina, Australia, Brazil, Chile, France, Germany, Italy, Japan, Korea, Mexico, Spain or the United Kingdom or other country if Fitch does not inform the Trust that including debt securities from such foreign country will adversely impact Fitch's rating of the APS (the "Approved Foreign Nations"), (3) the government of any Approved Foreign Nation or any of its agencies, instrumentalities or political subdivisions (the debt securities of Approved Foreign Nation issuers being referred to collectively as "Foreign Bonds"), (4) a corporation, limited liability company or limited partnership domiciled in Canada or (5) the Canadian government or any of its agencies, instrumentalities or political subdivisions (the debt securities of Canadian issuers being referred to collectively as "Canadian Bonds"). Foreign Bonds held by the Trust will qualify as Fitch Eligible Assets only up to a maximum of 20% of the aggregate Market Value of all assets constituting Fitch Eligible Assets. Similarly, Canadian Bonds held by the Trust will qualify as Fitch Eligible Assets only up to a maximum of 20% of the aggregate Market Value of all assets constituting Fitch Eligible Assets. Notwithstanding the limitations in the two preceding sentences, Foreign Bonds and Canadian Bonds held by the Trust will qualify as Fitch Eligible Assets only up to a maximum of 30% of the aggregate Market Value of all assets constituting Fitch Eligible Assets. All debt securities satisfying the foregoing requirements and restrictions of this paragraph (iv) are herein referred to as "Debt Securities."

(v) Preferred stocks if (i) dividends on such preferred stock are cumulative,
(ii) such securities provide for the periodic payment of dividends thereon in cash in U.S. dollars or euros and do not provide for conversion or exchange into, or have warrants attached entitling the holder to receive equity capital at any time over the respective lives of such securities, (iii) the issuer of such a preferred stock has common stock listed on either the New York Stock Exchange or the American Stock Exchange, (iv) the issuer of such a preferred stock has a senior debt rating or preferred stock rating from Fitch of BBB- or higher or the equivalent rating by another Rating Agency. In addition, the preferred stocks issue must be at least $50 million;

(vi) Rule 144A Securities;

(vii) Interest Rate Swaps entered into according to International Swap Dealers Association ("ISDA") standards if (1) the counterparty to the swap transaction has a short-term rating of not less than F1 by Fitch or the equivalent by another Rating Agency, or, if the swap counterparty does not have a short-term rating, the counterparty's senior unsecured long-term debt rating is AA or higher by Fitch or the equivalent by another Rating Agency and (2) the original aggregate notional amount of the Interest Rate Swap transaction or transactions is not greater than the liquidation preference of the APS originally issued;

(viii) Swaps, including total return and Credit Default Swaps entered into according to ISDA;

(ix) Senior Loans; and

(x) Fitch Hedging Transactions.

Financial contracts, as such term is defined in Section 3(c)(2)(B)(ii) of the Investment Company Act, and other securities or assets not otherwise provided for in this definition may be included in Fitch Eligible Assets, but, with respect to any financial contract or other securities or assets, only upon receipt by the Trust of a writing from Fitch specifying any conditions on including such financial contract or other securities or assets in Fitch Eligible Assets and assuring the Trust that including such financial contract or other securities or assets in the manner so specified would not affect the credit rating assigned by Fitch to the APS.


B-10

Where the Trust sells an asset and agrees to repurchase such asset in the future, the Discounted Value of such asset will constitute a Fitch Eligible Asset and the amount the Trust is required to pay upon repurchase of such asset will count as a liability for the purposes of the APS Basic Maintenance Amount. Where the Trust purchases an asset and agrees to sell it to a third party in the future, cash receivable by the Trust thereby will constitute a Fitch Eligible Asset if the long-term debt of such other party is rated at least A- by Fitch or the equivalent by another Rating Agency and such agreement has a term of 30 days or less; otherwise the Discounted Value of such purchased asset will constitute a Fitch Eligible Asset.

Notwithstanding the foregoing, an asset will not be considered a Fitch Eligible Asset to the extent that it has been irrevocably deposited for the payment of
(i)(A) through (i)(E) under the definition of APS Basic Maintenance Amount or to the extent it is subject to any liens, except for (A) liens which are being contested in good faith by appropriate proceedings and which Fitch has indicated to the Trust will not affect the status of such asset as a Fitch Eligible Asset, (B) liens for taxes that are not then due and payable or that can be paid thereafter without penalty, (C) liens to secure payment for services rendered or cash advanced to the Trust by its Adviser, the Trust's custodian, transfer agent or registrar or the Auction Agent and (D) liens arising by virtue of any repurchase agreement.

FITCH DIVERSIFICATION LIMITATIONS:

Portfolio holdings as described below must be within the following diversification and issue size requirements in order to be included in Fitch's Eligible Assets:

                                       MAXIMUM SINGLE    MAXIMUM SINGLE     MINIMUM ISSUE SIZE
SECURITY RATED AT LEAST                  ISSUER(1)       INDUSTRY(1),(2)    ($ IN MILLION)(3)
-----------------------                --------------    ---------------    ------------------
AAA..................................       100%               100%                $100
AA-..................................        20                 75                  100
A-...................................        10                 50                  100
BBB-.................................         6                 25                  100
BB-..................................         4                 16                   50
B-...................................         3                 12                   50
CCC..................................         2                  8                   50


(1) Percentages represent a portion of the aggregate Market Value of corporate debt securities.

(2) Industries are determined according to Fitch's Industry Classifications, as defined herein.

(3) Preferred stock has a minimum issue size of $50 million, and mortgage pass throughs issued by the Federal Home Loan Mortgage Corporation ("FHLMC"), the Federal National Mortgage Association ("FNMA") or the Government National Mortgage Association ("GNMA"), which has no minimum issue size.

If a security is not rated by Fitch but is rated by two other Rating Agencies, then the lower of the ratings on the security from the two other Rating Agencies will be used to determine the Fitch Discount Factor (e.g., where the S&P rating is A and the Moody's rating is Baa, a Fitch rating of BBB will be used). If a security is not rated by Fitch but is rated by only one other Rating Agency, then the rating on the security from the other Rating Agency will be used to determine the Fitch Diversification Limitations (e.g., where the only rating on a security is an S&P rating of AAA, a Fitch rating of AAA will be used, and where the only rating on a security is a Moody's rating of Ba, a Fitch rating of BB will be used). If a security is not rated by any Rating Agency, the Trust will use the percentage set forth under "not rated" in this table.

"Fitch Exposure Period" means the period commencing on (and including) a given Valuation Date and ending 41 days thereafter.


B-11

"Fitch General Portfolio Requirements" means that the Trust's portfolio must meet the following diversification requirements: (a) no more than 25% by par value of the Trust's total assets can be invested in the securities of borrowers and other issuers having their principal business activities in the same Fitch Industry Classification; provided, that this limitation shall not apply with respect to U.S. Government Securities and provided further that for purposes of this subsection (a), the term "issuer" shall not include a lender selling a participation to the Trust or any other person interpositioned between such lender and the Trust with respect to a participation and (b) no more than 10% by par value of the Trust's total assets can be invested in securities of a single issuer, and provided further that for purposes of this subsection (b), the term "issuer" includes both the borrower under a loan agreement and the lender selling a participation to the Trust together with any other persons interpositioned between such lender and the Trust with respect to such participation.

"Fitch Hedging Transactions" means purchases or sales of exchange-traded financial futures contracts based on any index approved by Fitch, LIBOR or Treasury Bonds, and purchases, writings or sales of exchange-traded put options on such futures contracts, and purchases, writings or sales of exchange-traded call options on such financial futures contracts, and put and call options on such financial futures contracts ("Fitch Hedging Transactions"), subject to the following limitations:

(i) The Trust may not engage in any Fitch Hedging Transaction based on any index approved by Fitch (other than transactions that terminate a futures contract or option held by the Trust by the Trust's taking the opposite position thereto ("closing transactions")) that would cause the Trust at the time of such transaction to own or have sold outstanding financial futures contracts based on such index exceeding in number 10% of the average number of daily traded financial futures contracts based on such index in the 30 days preceding the time of effecting such transaction as reported by The Wall Street Journal.

(ii) The Trust will not engage in any Fitch Hedging Transaction based on Treasury Bonds or LIBOR (other than closing transactions) that would cause the Trust at the time of such transaction to own or have sold:

(A) Outstanding financial futures contracts based on Treasury Bonds or LIBOR with such contracts having an aggregate Market Value exceeding 60% of the aggregate Market Value of Fitch Eligible Assets owned by the Trust and at least rated AA by Fitch (or, if not rated by Fitch Ratings, rated at least Aa by Moody's; or, if not rated by Moody's, rated AAA by S&P); or

(B) Outstanding financial futures contracts based on Treasury Bonds or LIBOR with such contracts having an aggregate Market Value exceeding 40% of the aggregate Market Value of all Fitch Eligible Assets owned by the Trust (other than Fitch Eligible Assets already subject to a Fitch Hedging Transaction) and rated at least A or BBB by Fitch (or, if not rated by Fitch Ratings, rated at least Baa by Moody's; or, if not rated by Moody's, rated at least A or AA by S&P) (for purposes of the foregoing clauses (i) and (ii), the Trust shall be deemed to own futures contracts that underlie any outstanding options written by the Trust);

(iii) The Trust may engage in closing transactions to close out any outstanding financial futures contract based on any index approved by Fitch if the amount of open interest in such index as reported by The Wall Street Journal is less than an amount to be mutually determined by Fitch and the Trust.

(iv) The Trust may not enter into an option or futures transaction unless, after giving effect thereto, the Trust would continue to have Fitch Eligible Assets with an aggregate Discounted Value equal to or greater than the APS Shares Basic Maintenance Amount.


B-12

"Fitch Industry Classification" means, for the purposes of determining Fitch Eligible Assets, each of the following industry classifications:

FITCH INDUSTRY CLASSIFICATIONS                                SIC CODE (MAJOR GROUPS)
------------------------------                                -----------------------
Aerospace and Defense.......................................                37, 45
Automobiles.................................................                37, 55
Banking, Finance and Real Estate............................            60, 65, 67
Broadcasting and Media......................................                27, 48
Building and Materials......................................         15-17, 32, 52
Cable.......................................................                    48
Chemicals...................................................                28, 30
Computers and Electronics...................................                35, 36
Consumer Products...........................................                23, 51
Energy......................................................            13, 29, 49
Environmental Services......................................                    87
Farming and Agriculture.....................................              1-3, 7-9
Food, Beverage and Tobacco..................................            20, 21, 54
Gaming, Lodging and Restaurants.............................                70, 58
Health Care and Pharmaceuticals.............................            38, 28, 80
Industrial/Manufacturing....................................                    35
Insurance...................................................                63, 64
Leisure and Entertainment...................................                78, 79
Metals and Mining...........................................    10, 12, 14, 33, 34
Miscellaneous...............................................         50, 72-76, 99
Paper and Forest Products...................................             8, 24, 26
Retail......................................................            53, 56, 59
Sovereign...................................................                    NA
Supermarkets and Drug Stores................................                    54
Telecommunications..........................................                    48
Textiles and Furniture......................................        22, 25, 31, 57
Transportation..............................................             40, 42-47
Utilities...................................................                    49
Structured Finance Obligations..............................                    NA
Packaging and Containers....................................            26, 32, 34
Business Services...........................................                73, 87

The Trust shall use its discretion in determining which industry classification is applicable to a particular investment.

"Fitch Loan Category" means the following four categories (and, for purposes of this categorization, the Market Value of a Fitch Eligible Asset trading at par is equal to $1.00):

(i) "Fitch Loan Category A" means Performing Loans which have a Market Value or an Approved Price greater than or equal to $0.90.

(ii) "Fitch Loan Category B" means: (A) Performing Loans which have a Market Value or an Approved Price of greater than or equal to $0.80 but less than $0.90; and (B) non-Performing Loans which have a Market Value or an Approved Price greater than or equal to $0.85.


B-13

(iii) "Fitch Loan Category C" means: (A) Performing Loans which have a Market Value or an Approved Price of greater than or equal to $0.70 but less than $0.80; (B) non-Performing Loans which have a Market Value or an Approved Price of greater than or equal to $0.75 but less than $0.85; and (C) Performing Loans without an Approved Price rated BB- or higher by Fitch. If a security is not rated by Fitch but is rated by two other Rating Agencies, then the lower of the ratings on the security from the two other Rating Agencies will be used to determine the Fitch Discount Factor (e.g., where the S&P rating is A- and the Moody's rating is Baa1, a Fitch rating of BBB+ will be used). If a security is not rated by Fitch but is rated by only one other Rating Agency, then the rating on the security from the other Rating Agency will be used to determine the Fitch Discount Factor (e.g., where the only rating on a security is an S&P rating of AAA-, a Fitch rating of AAA- will be used, and where the only rating on a security is a Moody's rating of Ba3, a Fitch rating of BB- will be used).

(iv) "Fitch Loan Category D" means Loans not described in any of the foregoing categories.

Notwithstanding any other provision contained above, for purposes of determining whether a Fitch Eligible Asset falls within a specific Fitch Loan Category, to the extent that any Fitch Eligible Asset would fall within more than one of the Fitch Loan Categories, such Fitch Eligible Asset shall be deemed to fall into the Fitch Loan Category with the lowest applicable Fitch Discount Factor.

"Holder" means a Person identified as a holder of record of shares of APS in the Share Register.

"Independent Accountant" means a nationally recognized accountant, or firm of accountants, that is, with respect to the Trust, an independent public accountant or firm of independent public accountants under the Securities Act.

"Initial Dividend Payment Date" means the Initial Dividend Payment Date as determined by the Board of Trustees of the Trust or their designee with respect to each series of APS or Other APS, as the case may be.

"Initial Dividend Period" has the meaning set forth in paragraph 2(c)(i) of this Article VII, of these Amended By-Laws and, with respect to Other APS, has the equivalent meaning.

"Initial Dividend Rate" means the rate per annum established by the Board of Trustees or their designee, applicable to the Initial Dividend Period for such series of APS and, with respect to Other APS, has the equivalent meaning.

"Initial Margin" means the amount of cash or securities deposited with a broker as a margin payment at the time of purchase or sale of a futures contract.

"Interest Equivalent" means a yield on a 360-day basis of a discount basis security which is equal to the yield on an equivalent interest-bearing security.

"Interest Rate Swaps" has the meaning as defined under "Swap."

"LIBOR" means the London Interbank Offered Rate.

"Loan" means any assignment of or participation in any bank loan denominated in U.S. dollars including term loans, the funded and unfunded portions of revolving credit lines (provided that the Trust shall place in reserve an amount equal to any unfunded portion of any revolving credit line) and debtor-in possession financings; provided that such loan (a) is not extended for the purpose of purchasing or carrying any margin stock and (b) is similar to those typically made, syndicated, purchased or participated in by a commercial bank in the ordinary course of business.

"Long Term Dividend Period" means a Special Dividend Period consisting of a specified period of one whole year or more but not greater than five years.


B-14

"Mandatory Redemption Price" means $25,000 per share of APS plus an amount equal to accumulated but unpaid dividends (whether or not earned or declared) to the date fixed for redemption and excluding Additional Dividends.

"Market Value" of any asset of the Trust shall be the market value thereof determined by the Pricing Service or by the Trust in accordance with procedures approved by the Board of Trustees. Market Value of any asset shall include any interest accrued thereon. The Pricing Service or the Trust shall value portfolio securities at the quoted bid prices or the mean between the quoted bid and asked price or the yield equivalent when quotations are not readily available. Securities for which quotations are not readily available shall be valued at fair value as determined by the Pricing Service or the Trust using methods which include consideration of: yields or prices of obligations of comparable quality, type of issue, coupon, maturity and rating; indications as to value from dealers; and general market conditions. The Pricing Service or the Trust may employ electronic data processing techniques and/or a matrix system to determine valuations. At the Trust's discretion, in the event the Pricing Service is unable to value a security, the security shall be valued at the lower of two dealer bids obtained by the Trust from dealers who are members of the National Association of Securities Dealers, Inc. and who make a market in the security, at least one of which shall be in writing. Futures contracts and options are valued at closing prices for such instruments established by the exchange or board of trade on which they are traded, or if market quotations are not readily available, are valued at fair value on a consistent basis using methods determined in good faith by the Board of Trustees.

"Maximum Applicable Rate," with respect to APS, has the meaning set forth in paragraph 10(a)(vii) of this Article VII, of these Amended By-Laws and, with respect to Other APS, has the equivalent meaning.

"Monthly Valuation Date" means the last Business Day of each month in each fiscal year of the Trust, commencing from the Date of Original Issue.

"Moody's" means Moody's Investors Service, Inc., a Delaware corporation, and its successors.

"Moody's Discount Factor" means for purposes of determining the Discounted Value of any Moody's Eligible Asset, the percentage determined as follows. The Moody's Discount Factor for any Moody's Eligible Asset other than the securities set forth below will be the percentage provided in writing by Moody's.


B-15

(i) Corporate debt securities: The percentage determined by reference to the rating on such asset with reference to the remaining term to maturity of such asset, in accordance with the table set forth below.

DISCOUNT FACTORS FOR CORPORATE DEBT SECURITIES INCLUDING NON-INVESTMENT GRADE BONDS
(NON-CONVERTIBLES)

TERMS TO MATURITY OF NON-INVESTMENT GRADE BONDS  AAA   AA     A    BAA   BA     B    NR(1)
-----------------------------------------------  ---   ---   ---   ---   ---   ---   -----
1 year or less................................   109   112   115   118   137   150    250
2 years or less (but longer than 1 year)......   115   118   122   125   146   160    250
3 years or less (but longer than 2 years).....   120   123   127   131   153   168    250
4 years or less (but longer than 3 years).....   126   129   133   138   161   176    250
5 years or less (but longer than 4 years).....   132   135   139   144   168   185    250
7 years or less (but longer than 5 years).....   139   143   147   152   179   197    250
10 years or less (but longer than 7 years)....   145   150   155   160   189   208    250
15 years or less (but longer than 10 years)...   150   155   160   165   196   216    250
20 years or less (but longer than 15 years)...   150   155   160   165   196   228    250
30 years or less (but longer than 20 years)...   150   155   160   165   196   229    250
Greater than 30 years.........................   165   173   181   189   205   240    250


(1) Unless conclusions regarding liquidity risk as well as estimates of both the probability and severity of default for the Fund's assets can be derived from other sources, securities rated below B by Moody's and unrated securities, which are securities rated by neither Moody's, S&P nor Fitch, are limited to 10% of Moody's Eligible Assets. If a corporate, municipal or other debt security is unrated by Moody's, S&P or Fitch, the Fund will use the percentage set forth under "Below B and Unrated" in this table. Ratings assigned by S&P or Fitch are generally accepted by Moody's at face value. However, adjustments to face value may be made to particular categories of credits for which the S&P and/or Fitch rating does not seem to approximate a Moody's rating equivalent.

The Moody's Discount Factors presented in the immediately preceding table will also apply to corporate debt securities that do not pay interest in U.S. dollars or euros, provided that the Moody's Discount Factor determined from the table shall be multiplied by a factor of 1.20% for purposes of calculating the Discounted Value of such securities.

(ii) Preferred stock: The Moody's Discount Factor for preferred stock shall be (A) for preferred stocks issued by a utility, 155%; (B) for preferred stocks of industrial and financial issuers, 197%; and (C) for auction rate preferred stocks and all other preferred stocks, 350%.

(iii) Short-term instruments: The Moody's Discount Factor applied to short-term portfolio securities, including without limitation corporate debt securities, Short Term Money Market Instruments and municipal debt obligations, will be (A) 100%, so long as such portfolio securities mature or have a demand feature at par exercisable within the Moody's Exposure Period; (B) 115%, so long as such portfolio securities mature or have a demand feature at par not exercisable within the Moody's Exposure Period; and (C) 125%, if such securities are not rated by Moody's, so long as such portfolio securities are rated at least A-1+/AA or SP-1+/AA by S&P and mature or have a demand feature at par exercisable within the Moody's Exposure Period. A Moody's Discount Factor of 100% will be applied to cash.

(v) Rule 144A Securities: The Moody's Discount Factor applied to Rule 144A Securities for Rule 144A Securities whose terms include rights to registration under the Securities Act within one year and Rule 144A Securities which do not have registration rights within one year will be 120% and 130%, respectively, of the Moody's Discount Factor which would apply were the securities registered under the Securities Act.


B-16

(vi) Senior Loans: The Moody's Discount Factor applied to Senior Loans shall be the percentage specified in the table below opposite such Moody's Loan Category:

MOODY'S LOAN CATEGORY                                         DISCOUNT FACTOR
---------------------                                         ---------------
A...........................................................        118%
B...........................................................        137%
C...........................................................        161%
D...........................................................        222%

"Moody's Eligible Asset" means:

(i) Cash (including interest and dividends due on assets rated (A) Baa3 or higher by Moody's or the equivalent by another Rating Agency if the payment date is within five (5) Business Days of the Valuation Date, (B) A2 or higher by Moody's or the equivalent by another Rating Agency if the payment date is within thirty days of the Valuation Date, and (C) A1 or higher by Moody's or the equivalent by another Rating Agency if the payment date is within the Moody's Exposure Period) and receivables for Moody's Eligible Assets sold if the receivable is due within five (5) Business Days of the Valuation Date, and if the trades which generated such receivables are (A) settled through clearing house firms with respect to which the Trust has received prior written authorization from Moody's or (B) (1) with counterparties having a Moody's long-term debt rating of at least Baa3 or the equivalent by another Rating Agency or (2) with counterparties having a Moody's Short Term Money Market Instrument rating of at least P-1or the equivalent by another Rating Agency;

(ii) Short Term Money Market Instruments, so long as (A) such securities are rated at least P-1 or the equivalent by another Rating Agency, (B) in the case of demand deposits, time deposits and overnight funds, the supporting entity is rated at least A2 or the equivalent by another Rating Agency, or (C) in all other cases, the supporting entity (1) is rated A2 or the equivalent by another Rating Agency and the security matures within one month, (2) is rated A1 or the equivalent by another Rating Agency and the security matures within three months or (3) is rated at least A3 or the equivalent by another Rating Agency and the security matures within six months; provided, however, that for purposes of this definition, such instruments (other than commercial paper rated by S&P and not rated by Moody's) need not meet any otherwise applicable S&P rating criteria;

(iii) U.S. Government Securities;

(iv) Rule 144A Securities;

(v) Senior Loans;

(vi) Corporate debt securities if (A) such securities are rated B3 or higher by Moody's or the equivalent by another Rating Agency; (B) such securities provide for the periodic payment of interest in cash in U.S. dollars or euros, except that such securities that do not pay interest in U.S. dollars or euros shall be considered Moody's Eligible Assets if they are rated by Moody's, S&P or Fitch;
(C) for securities which provide for conversion or exchange at the option of the issuer into equity capital at some time over their lives, the issuer must be rated at least B3 by Moody's or the equivalent by another Rating Agency and the discount factor will be 250%; (D) for debt securities rated Ba1 and below, no more than 10% of the original amount of such issue may constitute Moody's Eligible Assets or the equivalent by another Rating Agency; (E) such securities have been registered under the Securities Act or are restricted as to resale under federal securities laws but are eligible for resale pursuant to Rule 144A under the Securities Act as determined by the Trust's Adviser acting pursuant to procedures approved by the Board of Trustees, except that such securities that are not subject to U.S. federal securities laws shall be considered Moody's Eligible Assets if they are publicly traded; and (F) such securities are not subject to extended settlement.

Notwithstanding the foregoing limitations, (x) corporate debt securities not rated at least B3 by Moody's or not rated by Moody's shall be considered to be Moody's Eligible Assets only to the extent


B-17

the Market Value of such corporate debt securities does not exceed 10% of the aggregate Market Value of all Moody's Eligible Assets; provided, however, that if the Market Value of such corporate debt securities exceeds 10% of the aggregate Market Value of all Moody's Eligible Assets, a portion of such corporate debt securities (selected by the Trust) shall not be considered Moody's Eligible Assets, so that the Market Value of such corporate debt securities (excluding such portion) does not exceed 10% of the aggregate Market Value of all Moody's Eligible Assets; and (y) corporate debt securities rated by neither Moody's, S&P nor Fitch shall be considered to be Moody's Eligible Assets only to the extent such securities are issued by entities which (i) have not filed for bankruptcy within the past three years, (ii) are current on all principal and interest in their fixed income obligations, (iii) are current on all preferred stock dividends, and (iv) possess a current, unqualified auditor's report without qualified, explanatory language.

(vii) Preferred stocks if (A) dividends on such preferred stock are cumulative, (B) such securities provide for the periodic payment of dividends thereon in cash in U.S. dollars or euros and do not provide for conversion or exchange into, or have warrants attached entitling the holder to receive, equity capital at any time over the respective lives of such securities, (C) the issuer of such a preferred stock has common stock listed on either the New York Stock Exchange or the American Stock Exchange, (D) the issuer of such a preferred stock has a senior debt rating from Moody's of Baa1 or higher or a preferred stock rating from Moody's of Baa3 or higher and (E) such preferred stock has paid consistent cash dividends in U.S. dollars or euros over the last three years or has a minimum rating of A1 (if the issuer of such preferred stock has other preferred issues outstanding that have been paying dividends consistently for the last three years, then a preferred stock without such a dividend history would also be eligible). In addition, the preferred stocks must have the following diversification requirements: (X) the preferred stock issue must be greater than $50 million and (Y) the minimum holding by the Trust of each issue of preferred stock is $500,000 and the maximum holding of preferred stock of each issue is $5 million. In addition, preferred stocks issued by transportation companies will not be considered Moody's Eligible Assets;

(viii) Financial contracts, as such term is defined in Section 3(c)(2)(B)(ii) of the Investment Company Act of 1940, as amended, and other securities or assets not otherwise provided for in this definition, but only upon receipt by the Trust of a letter from Moody's specifying any conditions on including such financial contract or other securities or assets in Moody's Eligible Assets and assuring the Trust that including such financial contract or other securities or assets in the manner so specified would not affect the credit rating assigned by Moody's to the APS ; and

(ix) Moody's Hedging Transactions.


B-18

MOODY'S DIVERSIFICATION LIMITATIONS:

In addition, portfolio holdings as described below must be within the following diversification and issue size requirements in order to be included in Moody's Eligible Assets:

                                        MAXIMUM SINGLE   MAXIMUM SINGLE    MINIMUM ISSUE SIZE
RATINGS(1)                              ISSUER(2),(3)    INDUSTRY(3),(4)   ($ IN MILLIONS)(5)
----------                              --------------   ---------------   ------------------
Aaa...................................       100%              100%               $100
Aa....................................        20                60                 100
A.....................................        10                40                 100
Baa...................................         6                20                 100
Ba....................................         4                12                  50(6)
B1-B2.................................         3                 8                  50(6)
B3 or below...........................         2                 5                  50(6)


(1) Refers to the securities of the portfolio holding.

(2) Companies subject to common ownership of 25% or more are considered as one issuer.

(3) Percentages represent a portion of the aggregate Market Value of securities.

(4) Industries are determined according to Moody's Industry Classifications, as defined herein.

(5) Except for preferred stock, which has a minimum issue size of $50 million, and mortgage pass throughs issued by FNMA, FHLMC or GNMA, which has no minimum issue size.

(6) Portfolio holdings from issues ranging from $50 million to $100 million are limited to 20% of the Trust's total assets.

Unless conclusions regarding liquidity risk as well as estimates of both the probability and severity of default for the Fund's assets can be derived from other sources, securities rated below B by Moody's and unrated securities, which are securities rated by neither Moody's, S&P nor Fitch, are limited to 10% of Moody's Eligible Assets. If a corporate, municipal or other debt security is unrated by Moody's, S&P or Fitch, the Fund will use the percentage set forth under "Below B and Unrated" in this table. Ratings assigned by S&P or Fitch are generally accepted by Moody's at face value. However, adjustments to face value may be made to particular categories of credits for which the S&P and/or Fitch rating does not seem to approximate a Moody's rating equivalent.

Where the Trust sells an asset and agrees to repurchase such asset in the future, the Discounted Value of such asset will constitute a Moody's Eligible Asset and the amount the Trust is required to pay upon repurchase of such asset will count as a liability for the purposes of the APS Basic Maintenance Amount. Where the Trust purchases an asset and agrees to sell it to a third party in the future, cash receivable by the Trust thereby will constitute a Moody's Eligible Asset if the long-term debt of such other party is rated at least A2 by Moody's and such agreement has a term of 30 days or less; otherwise the Discounted Value of such purchased asset will constitute a Moody's Eligible Asset. For the purposes of calculation of Moody's Eligible Assets, portfolio securities which have been called for redemption by the issuer thereof shall be valued at the lower of Market Value or the call price of such portfolio securities.

Notwithstanding the foregoing, an asset will not be considered a Moody's Eligible Asset to the extent that it has been irrevocably deposited for the payment of (i)(A) through (i)(E) under the definition of APS Basic Maintenance Amount or to the extent it is subject to any Liens, except for (A) Liens which are being contested in good faith by appropriate proceedings and which Moody's has indicated to the Trust will not affect the status of such asset as a Moody's Eligible Asset, (B) Liens for taxes that are not then due and payable or that can be paid thereafter without penalty, (C) Liens to secure payment for services rendered or cash advanced to the Trust by its Adviser, the Trust's custodian, transfer agent or registrar or the Auction Agent and (D) Liens arising by virtue of any repurchase agreement.


B-19

"Moody's Exposure Period" means the period commencing on a given Valuation Date and ending 49 days thereafter.

"Moody's General Portfolio Requirements" means that the Trust's portfolio must meet the following diversification requirements: (a) no more than 25% by par value of the Trust's total assets can be invested in the securities of borrowers and other issuers having their principal business activities in the same Moody's Industry Classification; provided, that this limitation shall not apply with respect to U.S. Government Securities and provided further that for purposes of this subsection (a), the term "issuer" shall not include a lender selling a participation to the Trust or any other person interpositioned between such lender and the Trust with respect to a participation and (b) no more than 10% by par value of the Trust's total assets can be invested in securities of a single issuer, and provided further that for purposes of this subsection (b), the term "issuer" includes both the borrower under a loan agreement and the lender selling a participation to the Trust together with any other persons interpositioned between such lender and the Trust with respect to such participation.

"Moody's Hedging Transactions" has the meaning set forth in paragraph 8(a) of these Amended By-Laws.

"Moody's Industry Classification" means, for the purposes of determining Moody's Eligible Assets, each of the following industry classifications (or such other classifications as Moody's may from time to time approve for application to the Preferred Shares):

1. Aerospace and Defense: Major Contractor, Subsystems, Research, Aircraft Manufacturing, Arms, Ammunition

2. Automobile: Automobile Equipment, Auto-Manufacturing, Auto Parts Manufacturing, Personal Use Trailers, Motor Homes, Dealers

3. Banking: Bank Holding, Savings and Loans, Consumer Credit, Small Loan, Agency, Factoring, Receivables

4. Beverage, Food and Tobacco: Beer and Ale, Distillers, Wines and Liquors, Distributors, Soft Drink Syrup, Bottlers, Bakery, Mill Sugar, Canned Foods, Corn Refiners, Dairy Products, Meat Products, Poultry Products, Snacks, Packaged Foods, Distributors, Candy, Gum, Seafood, Frozen Food, Cigarettes, Cigars, Leaf/Snuff, Vegetable Oil

5. Buildings and Real Estate: Brick, Cement, Climate Controls, Contracting, Engineering, Construction, Hardware, Forest Products (building-related only), Plumbing, Roofing, Wallboard, Real Estate, Real Estate Development, REITs, Land Development

6. Chemicals, Plastics and Rubber: Chemicals (non-agricultural), Industrial Gases, Sulphur, Plastics, Plastic Products, Abrasives, Coatings, Paints, Varnish, Fabricating Containers

7. Containers, Packaging and Glass: Glass, Fiberglass, Containers made of: Glass, Metal, Paper, Plastic, Wood or Fiberglass

8. Personal and Non-Durable Consumer Products (Manufacturing Only):
Soaps, Perfumes, Cosmetics, Toiletries, Cleaning Supplies, School Supplies

9. Diversified/Conglomerate Manufacturing

10. Diversified/Conglomerate Service

11. Diversified Natural Resources, Precious Metals and Minerals:
Fabricating, Distribution

12. Ecological: Pollution Control, Waste Removal, Waste Treatment and Waste Disposal

13. Electronics: Computer Hardware, Electric Equipment, Components, Controllers, Motors, Household Appliances, Information Service Communication Systems, Radios, TVs, Tape Machines, Speakers, Printers, Drivers, Technology


B-20

14. Finance: Investment Brokerage, Leasing, Syndication, Securities

15. Farming and Agriculture: Livestock, Grains, Produce, Agriculture Chemicals, Agricultural Equipment, Fertilizers

16. Grocery: Grocery Stores, Convenience Food Stores

17. Healthcare, Education and Childcare: Ethical Drugs, Proprietary Drugs, Research, Health Care Centers, Nursing Homes, HMOs, Hospitals, Hospital Supplies, Medical Equipment

18. Home and Office Furnishings, Housewares, and Durable Consumer Products: Carpets, Floor Coverings, Furniture, Cooking, Ranges

19. Hotels, Motels, Inns and Gaming

20. Insurance: Life, Property and Casualty, Broker, Agent, Surety

21. Leisure, Amusement, Motion Pictures, Entertainment: Boating, Bowling, Billiards, Musical Instruments, Fishing, Photo Equipment, Records, Tapes, Sports, Outdoor Equipment (Camping), Tourism, Resorts, Games, Toy Manufacturing, Motion Picture Production Theaters, Motion Picture Distribution

22. Machinery (Non-Agricultural, Non-Construction, Non-Electronic):


Industrial, Machine Tools, Steam Generators

23. Mining, Steel, Iron and Non-Precious Metals: Coal, Copper, Lead, Uranium, Zinc, Aluminum, Stainless Steel, Integrated Steel, Ore Production, Refractories, Steel Mill Machinery, Mini-Mills, Fabricating, Distribution and Sales of the foregoing

24. Oil and Gas: Crude Producer, Retailer, Well Supply, Service and Drilling

25. Personal, Food and Miscellaneous

26. Printing, Publishing, and Broadcasting: Graphic Arts, Paper, Paper Products, Business Forms, Magazines, Books, Periodicals, Newspapers, Textbooks, Radio, T.V., Cable Broadcasting Equipment

27. Cargo Transport: Rail, Shipping, Railroads, Rail-car Builders, Ship Builders, Containers, Container Builders, Parts, Overnight Mail, Trucking, Truck Manufacturing, Trailer Manufacturing, Air Cargo, Transport

28. Retail Stores: Apparel, Toy, Variety, Drugs, Department, Mail Order Catalog, Showroom

29. Telecommunications: Local, Long Distance, Independent, Telephone, Telegraph, Satellite, Equipment, Research, Cellular

30. Textiles and Leather: Producer, Synthetic Fiber, Apparel Manufacturer, Leather Shoes

31. Personal Transportation: Air, Bus, Rail, Car Rental

32. Utilities: Electric, Water, Hydro Power, Gas

33. Broadcasting and Entertainment: Recording Industry, Motion Exhibition Theaters, Motion Picture Production and Distribution, Radio, T.V., Cable Broadcasting and Broadcasting Equipment

34. Diversified Sovereigns: Semi-sovereigns, Canadian Provinces, Supra-national Agencies

The Trust will use its discretion in determining which industry classification is applicable to a particular investment in consultation with the Independent Accountant and Moody's, to the extent the Trust considers necessary.


B-21

"Moody's Loan Category" means the following five categories (and, for purposes of this categorization, the Market Value of a Moody's Eligible Asset trading at par is equal to $1.00):

(i) "Moody's Loan Category A" means Performing Loans which have a value as determined in accordance with the Trust's valuation procedures greater than or equal to $0.90.

(ii) "Moody's Loan Category B" means: (A) Performing Loans which have a value as determined in accordance with the Trust's valuation procedures of greater than or equal to $0.80 but less than $0.90; and (B) non-Performing Loans which have a value as determined in accordance with the Trust's valuation procedures greater than or equal to $0.85.

(iii) "Moody's Loan Category C" means: (A) Performing Senior Loans which have a value as determined in accordance with the Trust's valuation procedures of greater than or equal to $0.70 but less than $0.80; and (B) non-Performing Loans which have a value as determined in accordance with the Trust's valuation procedures of greater than or equal to $0.75 but less than $0.85.

(iv) "Moody's Loan Category D" means Loans which have a value as determined in accordance with the Trust's valuation procedures less than $0.75.

Notwithstanding any other provision contained above, for purposes of determining whether a Moody's Eligible Asset falls within a specific Moody's Loan Category, to the extent that any Moody's Eligible Asset would fall in more than one of the Moody's Loan Categories, such Moody's Eligible Asset shall be deemed to fall into the Moody's Loan Category with the lowest applicable Moody's Discount Factor.

"Non-Call Period" has the meaning set forth under the definition of "Specific Redemption Provisions".

"Non-Investment Grade Bonds" means "Non-Investment Grade Bonds" as defined in the Trust's Registration Statement on Form N-2 (File No. 333-111041) relating to the APS on file with the Securities and Exchange Commission, as such Registration Statement may be amended from time to time.

"Non-Payment Period" means any period commencing on and including the day on which the Trust shall fail to (i) declare, prior to the close of business on the second Business Day preceding any Dividend Payment Date, for payment on or (to the extent permitted by paragraph 2(c)(i) of this Article VII, of these Amended By-Laws) within three Business Days after such Dividend Payment Date to the Holders as of 12:00 noon, New York City time, on the Business Day preceding such Dividend Payment Date, the full amount of any dividend on shares of APS payable on such Dividend Payment Date or (ii) deposit, irrevocably in trust, in same-day funds, with the Auction Agent by 12:00 noon, New York City time, (A) on such Dividend Payment Date the full amount of any cash dividend on such shares payable (if declared) on such Dividend Payment Date or (B) on any redemption date for any shares of APS called for redemption, the Mandatory Redemption Price per share of such APS or, in the case of an optional redemption, the Optional Redemption Price per share, and ending on and including the Business Day on which, by 12:00 noon, New York City time, all unpaid cash dividends and unpaid redemption prices shall have been so deposited or shall have otherwise been made available to Holders in same-day funds; provided that, a Non-Payment Period shall not end unless the Trust shall have given at least five days' but no more than 30 days' written notice of such deposit or availability to the Auction Agent, all Existing Holders (at their addresses appearing in the Share Books) and the Securities Depository. Notwithstanding the foregoing, the failure by the Trust to deposit funds as provided for by clauses (ii)(A) or (ii)(B) above within three Business Days after any Dividend Payment Date or redemption date, as the case may be, in each case to the extent contemplated by paragraph 2(c)(i) of these Amended By-Laws, shall not constitute a "Non-Payment Period."

"Non-Payment Period Rate" means, initially, 275% of the applicable Reference Rate, provided that the Board of Trustees of the Trust shall have the authority to adjust, modify, alter or change from time to time the initial Non-Payment Period Rate if the Board of Trustees of the Trust determines and Fitch (and any Substitute Rating Agency in lieu of Fitch in the event such party shall not rate the APS)


B-22

advise the Trust in writing that such adjustment, modification, alteration or change will not adversely affect its then current ratings on the APS.

"Normal Dividend Payment Date" has the meaning set forth in paragraph 2(b)(i) of Article VII, of these Amended By-Laws.

"Notice of Redemption" means any notice with respect to the redemption of shares of APS pursuant to paragraph 4 of Article VII, of these Amended By-Laws.

"Notice of Revocation" has the meaning set forth in paragraph 2(c)(iii) of Article VII, of these Amended By-Laws.

"Notice of Special Dividend Period" has the meaning set forth in paragraph 2(c)(iii) of Article VII, of these Amended By-Laws.

"Optional Redemption Price" means $25,000 per share plus an amount equal to accumulated but unpaid dividends (whether or not earned or declared) to the date fixed for redemption and excluding Additional Dividends plus any applicable redemption premium attributable to the designation of a Premium Call Period.

"Other APS" means the auction rate Preferred Shares of the Trust, other than the
APS.

"Outstanding" means, as of any date (i) with respect to APS, shares of APS therefor issued by the Trust except, without duplication, (A) any shares of APS theretofore canceled or delivered to the Auction Agent for cancellation, or redeemed by the Trust, or as to which a Notice of Redemption shall have been given and Deposit Securities shall have been deposited in trust or segregated by the Trust pursuant to paragraph 4(c) and (B) any shares of APS as to which the Trust or any Affiliate thereof shall be a Beneficial Owner, provided that shares of APS held by an Affiliate shall be deemed Outstanding for purposes of calculating the APS Basic Maintenance Amount and (ii) with respect to shares of other Preferred Shares, has the equivalent meaning.

"Parity Shares" means the APS and each other Outstanding series of Preferred Shares the holders of which, together with the holders of the APS, shall be entitled to the receipt of dividends or of amounts distributable upon liquidation, dissolution or winding up, as the case may be, in proportion to the full respective preferential amounts to which they are entitled, without preference or priority one over the other.

"Performing" means that no default as to the payment of principal or interest has occurred and is continuing.

"Person" means and includes an individual, a partnership, a fund, a trust, an unincorporated association, a joint venture or other entity or a government or any agency or political subdivision thereof.

"Potential Beneficial Owner" means a customer of a Broker-Dealer or a Broker-Dealer that is not a Beneficial Owner of shares of APS but that wishes to purchase such shares, or that is a Beneficial Owner that wishes to purchase additional shares of APS.

"Potential Holder" means any Broker-Dealer or any such other Person as may be permitted by the Trust, including any Existing Holder, who may be interested in acquiring shares of APS (or, in the case of an Existing Holder, additional shares of APS).

"Preferred Shares" means the preferred shares of beneficial interest, par value $0.01 per share, of the Trust, and includes APS and Other APS.

"Premium Call Period" has the meaning set forth under the definition of "Specific Redemption Provisions".


B-23

"Pricing Service" means any pricing service designated by the Board of Trustees of the Trust provided the Trust obtains written assurance from Moody's and Fitch that such designation will not impair the rating then assigned by Moody's and Fitch, as applicable, to the APS.

"Rating Agency" means a nationally recognized statistical rating organization.

"Reference Rate" means, with respect to the Non-Payment Period Rate and the Maximum Applicable Rate means the applicable "AA" Financial Composite Commercial Paper Rate (for a Dividend Period of fewer than 184 days) or the applicable Treasury Index Rate (for a Dividend Period of 184 days or more).

"Request for Special Dividend Period" has the meaning set forth in paragraph 2(c)(iii) of Article VII, of these Amended By-Laws.

"Response" has the meaning set forth in paragraph 2(c)(iii) of Article VII, of these Amended By-Laws.

"Rule 144A Securities" means securities which are restricted as to resale under federal securities laws but are eligible for resale pursuant to Rule 144A under the Securities Act as determined by the Trust's Adviser acting pursuant to procedures approved by the Board of Trustees of the Trust.

"S&P" means Standard & Poor's Corporation, a New York Corporation, and its successors.

"Securities Act" means the Securities Act of 1933, as amended.

"Securities Depository" means The Depository Trust Company or any successor company or other entities elected by the Trust as securities depository for the shares of APS that agrees to follow the procedures required to be followed by such securities depository in connection with the shares of APS.

"Senior Loans" means "Senior Loans" as defined in the Trust's Registration Statement on Form N-2 (File No. 333-111041) relating to the APS on file with the Securities and Exchange Commission, as such Registration Statement may be amended from time to time.

"Series A APS" means the Auction Preferred Shares, Series A.

"Series B APS" means the Auction Preferred Shares, Series B.

"Series C APS" means the Auction Preferred Shares, Series C.

"Series D APS" means the Auction Preferred Shares, Series D.

"Service" means the United States Internal Revenue Service.

"Share Books" means the books maintained by the Auction Agent setting forth at all times a current list, as determined by the Auction Agent, of Existing Holders of the APS.

"Share Register" means the register of Holders maintained on behalf of the Trust by the Auction Agent in its capacity as transfer agent and registrar for the APS.

"Short Term Dividend Period" means a Special Dividend Period consisting of a specified number of days (other than twenty-eight), evenly divisible by seven and not fewer than seven nor more than 364.

"Short Term Money Market Instruments" means the following types of instruments if, on the date of purchase or other acquisition thereof by the Trust, the remaining term to maturity thereof is not in excess of 180 days (or 270 days for instruments rated at least Aaa for purposes of determining Moody's Eligible Assets):

(i) commercial paper rated either F-1 by Fitch or A-1 by S&P if such commercial paper matures in 30 days or P-1 by Moody's and either F-1+ by Fitch or A-1+ by S&P if such commercial paper matures in over 30 days;

(ii) demand or time deposits in, and banker's acceptances and certificates of deposit of, (A) a depository institution or trust company incorporated under the laws of the United States of America or


B-24

any state thereof or the District of Columbia or (B) a United States branch office or agency of a foreign depository institution (provided that such branch office or agency is subject to banking regulation under the laws of the United States, any state thereof or the District of Columbia);

(iii) overnight funds;

(iv) U.S. Government Securities; and

(v) Eurodollar demand or time deposits in, or certificates of deposit of, the head office or the London branch office of a depository institution or trust company if the certificates of deposit, if any, and the long-term unsecured debt obligations (other than such obligations the ratings of which are based on the credit of a person or entity other than such depository institution or trust company) of such depository institution or trust company that have (1) credit ratings on each Valuation Date of at least P-1 from Moody's and either F-1+ from Fitch or A-1+ from S&P, in the case of commercial paper or certificates of deposit, and (2) credit ratings on each Valuation Date of at least Aa3 from Moody's and either AA from Fitch or AA- from S&P, in the case of long-term unsecured debt obligations; provided, however, that in the case of any such investment that matures in no more than one Business Day from the date of purchase or other acquisition by the Trust, all of the foregoing requirements shall be applicable except that the required long-term unsecured debt credit rating of such depository institution or trust company from Moody's, Fitch and S&P shall be at least A2, A-2 and A, respectively; and provided further, however, that the foregoing credit rating requirements shall be deemed to be met with respect to a depository institution or trust company if (1) such depository institution or trust company is the principal depository institution in a holding company system, (2) the certificates of deposit, if any, of such depository institution or trust company are not rated on any Valuation Date below P-1 by Moody's, F-1+ by Fitch or A-1+ by S&P and there is no long-term rating, and (3) the holding company shall meet all of the foregoing credit rating requirements (including the preceding proviso in the case of investments that mature in no more than one Business Day from the date of purchase or other acquisition by the Trust); and provided further, that the interest receivable by the Trust shall not be subject to any withholding or similar taxes.

"Special Dividend Period" means a Dividend Period consisting of (i) a specified number of days (other than twenty-eight), evenly divisible by seven and not fewer than seven nor more than 364 or (ii) a specified period of one whole year or more but not greater than five years (in each case subject to adjustment as provided in paragraph 2(b)(i)).

"Specific Redemption Provisions" means, with respect to a Special Dividend Period either, or any combination of, (i) a period (a "Non-Call Period") determined by the Board of Trustees of the Trust, after consultation with the Auction Agent and the Broker-Dealers, during which the shares of APS subject to such Dividend Period shall not be subject to redemption at the option of the Trust and (ii) a period (a "Premium Call Period"), consisting of a number of whole years and determined by the Board of Trustees of the Trust, after consultation with the Auction Agent and the Broker-Dealers, during each year of which the shares of APS subject to such Dividend Period shall be redeemable at the Trust's option at a price per share equal to $25,000 plus accumulated but unpaid dividends plus a premium expressed as a percentage of $25,000, as determined by the Board of Trustees of the Trust after consultation with the Auction Agent and the Broker-Dealers.

"Subsequent Dividend Period," with respect to APS, has the meaning set forth in paragraph 2(c)(i) of Article VII, of these Amended By-Laws and, with respect to Other APS, has the equivalent meaning.

"Substitute Commercial Paper Dealers" means such substitute Commercial Paper Dealer or Dealers as the Trust may from time to time appoint or, in lieu of any thereof, their respective affiliates or successors.

"Substitute Rating Agency" and "Substitute Rating Agencies" mean a nationally recognized statistical rating organization or two nationally recognized statistical rating organizations, respectively, selected by Eaton Vance Management or its affiliates and successors, after consultation with the Trust, to act as


B-25

the substitute rating agency or substitute rating agencies, as the case may be, to determine the credit ratings of the shares of APS.

"Swap" means a derivative transaction between two parties who contractually agree to exchange the returns (or differentials in rates of return) to be exchanged or "swapped" between the parties, which returns are calculated with respect to a "notional amount," i.e., the return on or increase in value of a particular dollar amount invested at a particular interest rate or in a "basket" of securities representing a particular index.

(i) "Interest Rate Swap" means an arrangement whereby two parties (called counterparties) enter into an agreement to exchange periodic interest payments. The dollar amount the counterparties pay each other is an agreed-upon periodic interest rate multiplied by some predetermined dollar principal, called the notional principal amount. No principal (no notional amount) is exchanged between parties to the transaction; only interest is exchanged.

(ii) "Total Return Swap" means an agreement between counterparties in which one party agrees to make payments of the total return from the underlying asset(s) which may include securities, baskets of securities, or securities indices during the specified period, in return for payments equal to a fixed or floating rate of interest or the total return from other underlying asset(s).

(iii) "Credit Default Swap" means an agreement between counterparties in which one party is entitled to receive the par (or other agreed-upon) value of a referenced debt obligation from the counterparty to the agreement in the event of a default by a third party on the debt obligation. In return, such party would pay the counterparty a periodic stream of payments over the term of the contract provided that no event of default has occurred.

"Treasury Bonds" means United States Treasury Bills, Bonds or Notes.

"Treasury Index Rate" means the average yield to maturity for actively traded marketable U.S. Treasury fixed interest rate securities having the same number of 30-day periods to maturity as the length of the applicable Dividend Period, determined, to the extent necessary, by linear interpolation based upon the yield for such securities having the next shorter and next longer number of 30-day periods to maturity treating all Dividend Periods with a length greater than the longest maturity for such securities as having a length equal to such longest maturity, in all cases based upon data set forth in the most recent weekly statistical release published by the Board of Governors of the Federal Reserve System (currently in H.15 (519)); provided, however, if the most recent such statistical release shall not have been published during the 15 days preceding the date of computation, the foregoing computations shall be based upon the average of comparable data as quoted to the Trust by at least three recognized dealers in U.S. government securities selected by the Trust.

"Trust" means Eaton Vance Senior Floating-Rate Trust, a Massachusetts business trust.

"U.S. Government Securities" means direct obligations of the United States or of its agencies or instrumentalities that are entitled to the full faith and credit of the United States and that, other than Treasury bills, provide for the periodic payment of interest and the full payment of principal at maturity or call for redemption.

"U.S. Treasury Bill Rate" on any date means (i) the Interest Equivalent of the rate on the actively traded Treasury Bill with a maturity most nearly comparable to the length of the related Dividend Period, as such rate is made available on a discount basis or otherwise by the Federal Reserve Bank of New York in its Composite 3:30 p.m. Quotations for U.S. Government Securities report for such Business Day, or (ii) if such yield as so calculated is not available, the Alternate Treasury Bill Rate on such date. "Alternate Treasury Bill Rate" on any date means the Interest Equivalent of the yield as calculated by reference to the arithmetic average of the bid price quotations of the actively traded Treasury Bill with a maturity most nearly comparable to the length of the related Dividend Period, as determined by bid price quotations as of any time on the Business Day immediately preceding such


B-26

date, obtained from at least three recognized primary U.S. Government securities dealers selected by the Auction Agent.

"U.S. Treasury Note Rate" on any date means (i) the yield as calculated by reference to the bid price quotation of the actively traded, current coupon Treasury Note with a maturity most nearly comparable to the length of the related Dividend Period, as such bid price quotation is published on the Business Day immediately preceding such date by the Federal Reserve Bank of New York in its Composite 3:30 p.m. Quotations for U.S. Government Securities report for such Business Day, or (ii) if such yield as so calculated is not available, the Alternate Treasury Note Rate on such date. "Alternate Treasury Note Rate" on any date means the yield as calculated by reference to the arithmetic average of the bid price quotations of the actively traded, current coupon Treasury Note with a maturity most nearly comparable to the length of the related Dividend Period, as determined by the bid price quotations as of any time on the Business Day immediately preceding such date, obtained from at least three recognized primary U.S. Government securities dealers selected by the Auction Agent.

"Valuation Date" means, for purposes of determining whether the Trust is maintaining the APS Basic Maintenance Amount, each Business Day commencing with the Date of Original Issue.

"Variation Margin" means, in connection with an outstanding futures contract owned or sold by the Trust, the amount of cash or securities paid to or received from a broker (subsequent to the Initial Margin payment) from time to time as the price of such futures contract fluctuates.

(b) The foregoing definitions of Accountant's Confirmation, APS Basic Maintenance Amount, APS Basic Maintenance Cure Date, APS Basic Maintenance Report, Deposit Securities, Discounted Value, Independent Accountant, Initial Margin, Market Value, Moody's Discount Factor, Fitch Discount Factor, Moody's Eligible Asset, Fitch Eligible Asset, Moody's Exposure Period, Fitch Exposure Period, Moody's Hedging Transactions, Fitch Hedging Transactions, Fitch Industry Classification, Maximum Applicable Rate, Moody's Industry Classification, Moody's Loan Category, 1940 Act Cure Date, 1940 Act APS Asset Coverage, Performing, Senior Loans, Short Term Money Market Instruments, Treasury Bonds, U.S. Government Securities, Valuation Date and Variation Margin (and any terms defined within such definitions) have been determined by the Board of Trustees of the Trust in order to obtain a AAA rating from Fitch and Aaa rating from Moody's on the APS on their Date of Original Issue; and the Board of Trustees of the Trust shall have the authority, without shareholder approval, to amend, alter or repeal from time to time the foregoing definitions and the restrictions and guidelines set forth thereunder if Moody's, Fitch or any Substitute Rating Agency advises the Trust in writing that such amendment, alteration or repeal will not adversely affect its then current rating on the APS.

2. DIVIDENDS. (a) The Holders of a particular series of APS shall be entitled to receive, when, as and if declared by the Board of Trustees of the Trust, out of funds legally available therefor, cumulative dividends each consisting of cash at the Applicable Rate, and no more, payable on the respective dates set forth below. Dividends on the shares of each series of APS so declared and payable shall be paid in preference to and in priority over any dividends declared and payable on the Common Shares.

(b) (i) Cash dividends on shares of each series of APS shall accumulate from the Date of Original Issue and shall be payable, when, as and if declared by the Board of Trustees, out of funds legally available therefor, commencing on the Initial Dividend Payment Date. Following the Initial Dividend Payment Date for a series of APS, dividends on that series of APS will be payable, at the option of the Trust, either (i) with respect to any 28-Day Dividend Period and any Short Term Dividend Period of fewer than 28 days, on the day next succeeding the last day thereof, or (ii) with respect to any Short Term Dividend Period of more than 28 days and with respect to any Long Term Dividend Period, monthly on the first Business Day of each calendar month during such Short Term Dividend Period or Long Term Dividend Period and on the day next succeeding the last day thereof (each such date referred to in clause (i) or (ii) being herein referred to as a "Normal Dividend Payment Date"), except that if such Normal Dividend Payment Date is not a Business Day, then the Dividend Payment Date shall be the first Business Day next succeeding such Normal Dividend Payment Date. Although any


B-27

particular Dividend Payment Date may not occur on the originally scheduled date because of the exception discussed above, the next succeeding Dividend Payment Date, subject to such exception, will occur on the next following originally scheduled date. If for any reason a Dividend Payment Date cannot be fixed as described above, then the Board of Trustees shall fix the Dividend Payment Date. The Board of Trustees by resolution prior to authorization of a dividend by the Board of Trustees may change a Dividend Payment Date if such change does not adversely affect the contract rights of the Holders of shares of APS set forth in the Declaration of Trust or the Amended By-Laws. The Initial Dividend Period, 28-Day Dividend Periods and Special Dividend Periods with respect to a series of APS are hereinafter sometimes referred to as Dividend Periods. Each dividend payment date determined as provided above is hereinafter referred to as a "Dividend Payment Date."

(ii) Each dividend shall be paid to the Holders as they appear in the Stock Register as of 12:00 noon, New York City time, on the Business Day preceding the Dividend Payment Date. Dividends in arrears for any past Dividend Period may be declared and paid at any time, without reference to any regular Dividend Payment Date, to the Holders as they appear on the Stock Register on a date, not exceeding 15 days prior to the payment date therefor, as may be fixed by the Board of Trustees of the Trust.

(c) (i) During the period from and including the Date of Original Issue to but excluding the Initial Dividend Payment Date for each series of APS (the "Initial Dividend Period"), the Applicable Rate shall be the Initial Dividend Rate. Commencing on the Initial Dividend Payment Date for each series of APS, the Applicable Rate for each subsequent dividend period (hereinafter referred to as a "Subsequent Dividend Period"), which Subsequent Dividend Period shall commence on and include a Dividend Payment Date and shall end on and include the calendar day prior to the next Dividend Payment Date (or last Dividend Payment Date in a Dividend Period if there is more than one Dividend Payment Date), shall be equal to the rate per annum that results from implementation of the Auction Procedures.

The Applicable Rate for each Dividend Period commencing during a Non-Payment Period shall be equal to the Non-Payment Period Rate; and each Dividend Period, commencing after the first day of, and during, a Non-Payment Period shall be a 28-Day Dividend Period in the case of each series of APS. Except in the case of the willful failure of the Trust to pay a dividend on a Dividend Payment Date or to redeem any shares of APS on the date set for such redemption, any amount of any dividend due on any Dividend Payment Date (if, prior to the close of business on the second Business Day preceding such Dividend Payment Date, the Trust has declared such dividend payable on such Dividend Payment Date to the Holders of such shares of APS as of 12:00 noon, New York City time, on the Business Day preceding such Dividend Payment Date) or redemption price with respect to any shares of APS not paid to such Holders when due may be paid to such Holders in the same form of funds by 12:00 noon, New York City time, on any of the first three Business Days after such Dividend Payment Date or due date, as the case may be, provided that, such amount is accompanied by a late charge calculated for such period of non-payment at the Non-Payment Period Rate applied to the amount of such non-payment based on the actual number of days comprising such period divided by 360. In the case of a willful failure of the Trust to pay a dividend on a Dividend Payment Date or to redeem any shares of APS on the date set for such redemption, the preceding sentence shall not apply and the Applicable Rate for the Dividend Period commencing during the Non-Payment Period resulting from such failure shall be the Non-Payment Period Rate. For the purposes of the foregoing, payment to a person in same-day funds on any Business Day at any time shall be considered equivalent to payment to such person in New York Clearing House (next-day) funds at the same time on the preceding Business Day, and any payment made after 12:00 noon, New York City time, on any Business Day shall be considered to have been made instead in the same form of funds and to the same person before 12:00 noon, New York City time, on the next Business Day.

(ii) The amount of cash dividends per share of any series of APS payable (if declared) on the Initial Dividend Payment Date, each 28-Day Dividend Period and each Dividend Payment Date of each Short Term Dividend Period shall be computed by multiplying the Applicable Rate for such Dividend Period


B-28

by a fraction, the numerator of which will be the number of days in such Dividend Period or part thereof that such share was Outstanding and the denominator of which will be 360, multiplying the amount so obtained by $25,000, and rounding the amount so obtained to the nearest cent. During any Long Term Dividend Period, the amount of cash dividends per share of a series of APS payable (if declared) on any Dividend Payment Date shall be computed by multiplying the Applicable Rate for such Dividend Period by a fraction, the numerator of which will be such number of days in such part of such Dividend Period that such share was Outstanding and for which dividends are payable on such Dividend Payment Date and the denominator of which will be 360, multiplying the amount so obtained by $25,000, and rounding the amount so obtained to the nearest cent.

(iii) The Trust may, at its sole option and to the extent permitted by law, by telephonic and written notice (a "Request for Special Dividend Period") to the Auction Agent and to each Broker-Dealer, request that the next succeeding Dividend Period for a series of APS be a number of days (other than twenty-eight), evenly divisible by seven and not fewer than 7 nor more than 364 in the case of a Short Term Dividend Period or one whole year or more but not greater than 5 years in the case of a Long Term Dividend Period, specified in such notice, provided that the Trust may not give a Request for Special Dividend Period of greater than 28 days (and any such request shall be null and void) unless, for any Auction occurring after the initial Auction, Sufficient Clearing Bids shall have existed in an Auction held on the Auction date immediately preceding the first day of such proposed Special Dividend Period and unless full cumulative dividends, any amounts due with respect to redemption's, and any Additional Dividends payable prior to such date have been paid in full. Such Request for Special Dividend Period, in the case of a Short Term Dividend Period, shall be given on or prior to the second Business Day but not more than seven Business Days prior to an Auction Date for a series of APS and, in the case of a Long Term Dividend Period, shall be given on or prior to the second Business Day but not more than 28 days prior to an Auction Date for a series of APS. Upon receiving such Request for Special Dividend Period, the Broker-Dealer(s) shall jointly determine whether, given the factors set forth below, it is advisable that the Trust issue a Notice of Special Dividend Period for the series of APS as contemplated by such Request for Special Dividend Period and shall determine the Optional Redemption Price of the APS during such Special Dividend Period and the Specific Redemption Provisions and shall give the Trust and the Auction Agent written notice (a "Response") of such determination by no later than the second Business Day prior to such Auction Date. In making such determination the Broker-Dealer(s) will consider (1) existing short-term and long-term market rates and indices of such short-term and long-term rates, (2) existing market supply and demand for short-term and long-term securities, (3) existing yield curves for short-term and long-term securities comparable to the APS, (4) industry and financial conditions which may affect the APS, (5) the investment objectives of the Trust, and (6) the Dividend Periods and dividend rates at which current and potential beneficial holders of the APS would remain or become beneficial holders. If the Broker- Dealer(s) shall not give the Trust and the Auction Agent a Response by such second Business Day or if the Response states that given the factors set forth above it is not advisable that the Trust give a Notice of Special Dividend Period for the series of APS, the Trust may not give a Notice of Special Dividend Period in respect of such Request for Special Dividend Period. In the event the Response indicates that it is advisable that the Trust give a Notice of Special Dividend Period for the series of APS, the Trust may by no later than the second Business Day prior to such Auction Date give a notice (a "Notice of Special Dividend Period") to the Auction Agent, the Securities Depository and each Broker-Dealer which notice will specify (i) the duration of the Special Dividend Period, (ii) the Optional Redemption Price as specified in the related Response and (iii) the Specific Redemption Provisions, if any, as specified in the related Response. The Trust also shall provide a copy of such Notice of Special Dividend Period to Moody's and Fitch. The Trust shall not give a Notice of Special Dividend Period and, if the Trust has given a Notice of Special Dividend Period, the Trust is required to give telephonic and written notice of its revocation (a "Notice of Revocation") to the Auction Agent, each Broker-Dealer, and the Securities Depository on or prior to the Business Day prior to the relevant Auction Date if (x) either the 1940 Act APS Asset Coverage is not satisfied or the Trust shall fail to maintain Fitch Eligible Assets or Moody's Eligible Assets with an aggregate Discounted Value at


B-29

least equal to the APS Basic Maintenance Amount, on each of the two Valuation Dates immediately preceding the Business Day prior to the relevant Auction Date on an actual basis and on a pro forma basis giving effect to the proposed Special Dividend Period (using as a pro forma dividend rate with respect to such Special Dividend Period the dividend rate which the Broker-Dealers shall advise the Trust is an approximately equal rate for securities similar to the APS with an equal dividend period), (y) sufficient funds for the payment of dividends payable on the immediately succeeding Dividend Payment Date have not been irrevocably deposited with the Auction Agent by the close of business on the third Business Day preceding the related Auction Date or (z) the Broker-Dealer(s) jointly advise the Trust that after consideration of the factors listed above they have concluded that it is advisable to give a Notice of Revocation. The Trust also shall provide a copy of such Notice of Revocation to Fitch and Moody's. If the Trust is prohibited from giving a Notice of Special Dividend Period as a result of any of the factors enumerated in clause (x), (y) or (z) above or if the Trust gives a Notice of Revocation with respect to a Notice of Special Dividend Period for any series of APS, the next succeeding Dividend Period will be a 28-Day Dividend Period. In addition, in the event Sufficient Clearing Bids are not made in the applicable Auction, including any such Auction held on the Auction date immediately preceding the first day of such proposed Special Dividend Period or such Auction is not held for any reason, such next succeeding Dividend Period will be a 28-Day Dividend Period and the Trust may not again give a Notice of Special Dividend Period for the APS (and any such attempted notice shall be null and void) until Sufficient Clearing Bids have been made in an Auction with respect to a 28-Day Dividend Period.

(d) (i) Holders shall not be entitled to any dividends, whether payable in cash, property or stock, in excess of full cumulative dividends and applicable late charges, as herein provided, on the shares of APS. Except for the late charge payable pursuant to paragraph 2(c)(i) hereof, no interest, or sum of money in lieu of interest, shall be payable in respect of any dividend payment on the shares of APS that may be in arrears.

(ii) For so long as any share of APS is Outstanding, the Trust shall not declare, pay or set apart for payment any dividend or other distribution (other than a dividend or distribution paid in shares of, or options, warrants or rights to subscribe for or purchase, Common Shares or other shares of beneficial interest, if any, ranking junior to the shares of APS as to dividends or upon liquidation) in respect of the Common Shares or any other shares of beneficial interest of the Trust ranking junior to or on a parity with the shares of APS as to dividends or upon liquidation, or call for redemption, redeem, purchase or otherwise acquire for consideration any shares of the Common Shares or any other such junior shares (except by conversion into or exchange for shares of the Trust ranking junior to the shares of APS as to dividends and upon liquidation) or any other such Parity Shares (except by conversion into or exchange for stock of the Trust ranking junior to or on a parity with the shares of APS as to dividends and upon liquidation), unless (A) immediately after such transaction, the Trust shall have Fitch Eligible Assets and Moody's Eligible Assets with an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount and the Trust shall maintain the 1940 Act APS Asset Coverage, (B) full cumulative dividends on shares of APS and shares of Other APS due on or prior to the date of the transaction have been declared and paid or shall have been declared and sufficient funds for the payment thereof deposited with the Auction Agent, and (C) the Trust has redeemed the full number of shares of APS required to be redeemed by any provision for mandatory redemption contained herein.

(e) No fractional shares of APS shall be issued.

3. LIQUIDATION RIGHTS. Upon any liquidation, dissolution or winding up of the Trust, whether voluntary or involuntary, the Holders shall be entitled to receive, out of the assets of the Trust available for distribution to shareholders, before any distribution or payment is made upon any Common Shares or any other shares of beneficial interest ranking junior in right of payment upon liquidation to the APS, the sum of $25,000 per share plus accumulated but unpaid dividends (whether or not earned or declared) thereon to the date of distribution, and after such payment the Holders will


B-30

be entitled to no other payments. If upon any liquidation, dissolution or winding up of the Trust, the amounts payable with respect to the APS and any other Outstanding class or series of Preferred Shares of the Trust ranking on a parity with the APS as to payment upon liquidation are not paid in full, the Holders and the holders of such other class or series will share ratably in any such distribution of assets in proportion to the respective preferential amounts to which they are entitled. After payment of the full amount of the liquidating distribution to which they are entitled, the Holders will not be entitled to any further participation in any distribution of assets by the Trust except for any Additional Dividends. A consolidation, merger or statutory share exchange of the Trust with or into any other Trust or entity or a sale, whether for cash, shares of stock, securities or properties, of all or substantially all or any part of the assets of the Trust shall not be deemed or construed to be a liquidation, dissolution or winding up of the Trust.

4. REDEMPTION. (a) Shares of APS shall be redeemable by the Trust as provided below:

(i) To the extent permitted under the 1940 Act and Massachusetts law, upon giving a Notice of Redemption, the Trust at its option may redeem shares of any series of APS, in whole or in part, out of funds legally available therefor, at the Optional Redemption Price per share, on any Dividend Payment Date; provided that no share of APS may be redeemed at the option of the Trust during (A) the Initial Dividend Period with respect to a series of shares or (B) a Non-Call Period to which such share is subject. In addition, holders of APS which are redeemed shall be entitled to receive Additional Dividends to the extent provided herein. The Trust may not give a Notice of Redemption relating to an optional redemption as described in this paragraph 4(a)(i) unless, at the time of giving such Notice of Redemption, the Trust has available Deposit Securities with maturity or tender dates not later than the day preceding the applicable redemption date and having a value not less than the amount due to Holders by reason of the redemption of their shares of APS on such redemption date, and the Discounted Value of Fitch Eligible Assets at least equals the APS Basic Maintenance Amount, and would at least equal the APS Basic Maintenance Amount immediately subsequent to such redemption if such redemption were to occur on such date.

(ii) The Trust shall redeem, out of funds legally available therefor, at the Mandatory Redemption Price per share, shares of APS to the extent permitted under the 1940 Act and Massachusetts law, on a date fixed by the Board of Trustees, if the Trust fails to maintain Fitch Eligible Assets and Moody's Eligible Assets with an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount as provided in paragraph 7(a) or to satisfy the 1940 Act APS Asset Coverage as provided in paragraph 6 and such failure is not cured on or before the APS Basic Maintenance Cure Date or the 1940 Act Cure Date (herein collectively referred to as a "Cure Date"), as the case may be. The number of shares of APS to be redeemed shall be equal to the lesser of (i) the minimum number of shares of APS the redemption of which, if deemed to have occurred immediately prior to the opening of business on the Cure Date, together with all shares of other Preferred Shares then Outstanding subject to redemption or retirement, would result in the Trust having Fitch Eligible Assets and Moody's Eligible Assets with an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount or satisfaction of the 1940 Act APS Asset Coverage, as the case may be, on such Cure Date (provided that, if there is no such minimum number of shares of APS and shares of other Preferred Shares the redemption of which would have such result, all shares of APS and shares of other Preferred Shares then Outstanding shall be redeemed), and (ii) the maximum number of shares of APS, together with all shares of other Preferred Shares subject to redemption or retirement, that can be redeemed out of funds expected to be legally available therefor on such redemption date. In determining the number of shares of APS required to be redeemed in accordance with the foregoing, the Trust shall allocate the number required to be redeemed which would result in the Trust having Fitch Eligible Assets and Moody's Eligible Assets with an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount or satisfaction of the 1940 Act APS Asset Coverage, as the case may be, pro rata among shares of APS of all series, Other APS and other Preferred Shares subject to redemption pursuant to provisions similar to those contained in this paragraph 4(a)(ii); provided that, shares of APS which may not be redeemed at the option of the Trust due to the


B-31

designation of a Non-Call Period applicable to such shares (A) will be subject to mandatory redemption only to the extent that other shares are not available to satisfy the number of shares required to be redeemed and (B) will be selected for redemption in an ascending order of outstanding number of days in the Non-Call Period (with shares with the lowest number of days to be redeemed first) and by lot in the event of shares having an equal number of days in such Non-Call Period. The Trust shall effect such redemption on a Business Day which is not later than 35 days after such Cure Date, except that if the Trust does not have funds legally available for the redemption of all of the required number of shares of APS and shares of other Preferred Shares which are subject to mandatory redemption or the Trust otherwise is unable to effect such redemption on or prior to 35 days after such Cure Date, the Trust shall redeem those shares of APS which it is unable to redeem on the earliest practicable date on which it is able to effect such redemption out of funds legally available therefor.

(b) Notwithstanding any other provision of this paragraph 4, no shares of APS may be redeemed pursuant to paragraph 4(a)(i) of Article VII, of these Amended By-Laws (i) unless all dividends in arrears on all remaining Outstanding shares of Parity Shares shall have been or are being contemporaneously paid or declared and set apart for payment and (ii) if redemption thereof would result in the Trust's failure to maintain Fitch Eligible Assets and Moody's Eligible Assets with an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount. In the event that less than all the Outstanding shares of a series of APS are to be redeemed and there is more than one Holder, the shares of that series of APS to be redeemed shall be selected by lot or such other method as the Trust shall deem fair and equitable.

(c) Whenever shares of APS are to be redeemed, the Trust, not less than 17 nor more than 30 days prior to the date fixed for redemption, shall mail a notice ("Notice of Redemption") by first-class mail, postage prepaid, to each Holder of shares of APS to be redeemed and to the Auction Agent. The Trust shall cause the Notice of Redemption to also be published in the eastern and national editions of The Wall Street Journal. The Notice of Redemption shall set forth (i) the redemption date, (ii) the amount of the redemption price, (iii) the aggregate number of shares of APS of such series to be redeemed, (iv) the place or places where shares of APS of such series are to be surrendered for payment of the redemption price, (v) a statement that dividends on the shares to be redeemed shall cease to accumulate on such redemption date (except that holders may be entitled to Additional Dividends) and (vi) the provision of these Amended By-Laws pursuant to which such shares are being redeemed. No defect in the Notice of Redemption or in the mailing or publication thereof shall affect the validity of the redemption proceedings, except as required by applicable law.

If the Notice of Redemption shall have been given as aforesaid and, concurrently or thereafter, the Trust shall have deposited in trust with the Auction Agent, or segregated in an account at the Trust's custodian bank for the benefit of the Auction Agent, Deposit Securities (with a right of substitution) having an aggregate Discounted Value (utilizing in the case of Fitch the Fitch Exposure Period of 41 Business Days and in the case of Moody's the Moody's Exposure Period of 49 days) equal to the redemption payment for the shares of APS as to which such Notice of Redemption has been given with irrevocable instructions and authority to pay the redemption price to the Holders of such shares, then upon the date of such deposit or, if no such deposit is made, then upon such date fixed for redemption (unless the Trust shall default in making the redemption payment), all rights of the Holders of such shares as shareholders of the Trust by reason of the ownership of such shares will cease and terminate (except their right to receive the redemption price in respect thereof and any Additional Dividends, but without interest), and such shares shall no longer be deemed Outstanding. The Trust shall be entitled to receive, from time to time, from the Auction Agent the interest, if any, on such Deposit Securities deposited with it and the Holders of any shares so redeemed shall have no claim to any of such interest. In case the Holder of any shares so called for redemption shall not claim the redemption payment for his shares within one year after the date of redemption, the Auction Agent shall, upon demand, pay over to the Trust such amount remaining on deposit and the Auction Agent


B-32

shall thereupon be relieved of all responsibility to the Holder of such shares called for redemption and such Holder thereafter shall look only to the Trust for the redemption payment.

5. VOTING RIGHTS. (a) General. Except as otherwise provided in the Declaration of Trust or Amended By-Laws, each Holder of shares of APS shall be entitled to one vote for each share held on each matter submitted to a vote of shareholders of the Trust, and the holders of Outstanding shares of Preferred Shares, including APS, and of shares of Common Shares shall vote together as a single class; provided that, at any meeting of the shareholders of the Trust held for the election of trustees, the holders of Outstanding shares of Preferred Shares, including APS, shall be entitled, as a class, to the exclusion of the holders of all other securities and classes of capital stock of the Trust, to elect two trustees of the Trust. Subject to paragraph 5(b) hereof, the holders of outstanding shares of beneficial interest of the Trust, including the holders of Outstanding shares of Preferred Shares, including APS, voting as a single class, shall elect the balance of the trustees.

(b) Right to Elect Majority of Board of Trustees. During any period in which any one or more of the conditions described below shall exist (such period being referred to herein as a "Voting Period"), the number of trustees constituting the Board of Trustees shall be automatically increased by the smallest number that, when added to the two directors elected exclusively by the holders of shares of Preferred Shares, would constitute a majority of the Board of Trustees as so increased by such smallest number; and the holders of shares of Preferred Shares shall be entitled, voting separately as one class (to the exclusion of the holders of all other securities and classes of shares of beneficial interest of the Trust), to elect such smallest number of additional trustees, together with the two trustees that such holders are in any event entitled to elect. A Voting Period shall commence:

(i) if at any time accumulated dividends (whether or not earned or declared, and whether or not funds are then legally available in an amount sufficient therefor) on the Outstanding shares of APS equal to at least two full years' dividends shall be due and unpaid and sufficient cash or specified securities shall not have been deposited with the Auction Agent for the payment of such accumulated dividends; or

(ii) if at any time holders of any other shares of Preferred Shares are entitled to elect a majority of the trustees of the Trust under the 1940 Act. Upon the termination of a Voting Period, the voting rights described in this paragraph 5(b) shall cease, subject always, however, to the reverting of such voting rights in the Holders upon the further occurrence of any of the events described in this paragraph 5(b)

(c) Right to Vote with Respect to Certain Other Matters. So long as any shares of APS are Outstanding, the Trust shall not, without the affirmative vote of the Holders of at least a majority of the shares of Preferred Shares Outstanding at the time, voting separately as one class, approve any conversion of the Trust from a closed-end to an open-end investment company and (i) authorize, create or issue any class or series of shares of beneficial interest ranking prior to the APS or any other series of Preferred Shares with respect to payment of dividends or the distribution of assets on liquidation, or (ii) amend, alter or repeal the provisions of the Declaration of Trust, whether by merger, consolidation or otherwise, so as to adversely affect any of the contract rights expressly set forth in the Declaration of Trust of holders of shares of APS or any other Preferred Shares. To the extent permitted under the 1940 Act, in the event shares of more than one series of APS are Outstanding, the Trust shall not approve any of the actions set forth in clause (i) or (ii) which adversely affects the contract rights expressly set forth in the Declaration of Trust of a Holder of shares of a series of APS differently than those of a Holder of shares of any other series of APS without the affirmative vote of the holders of at least a majority of the shares of APS of each series adversely affected and Outstanding at such time (each such adversely affected series voting separately as a class). The Trust shall notify Fitch and Moody's ten (10) Business Days prior to any such vote described in clause (i) or (ii). Unless a higher percentage is provided for under the Declaration of Trust, the affirmative vote of the holders of a majority of the Outstanding shares of Preferred Shares, including APS, voting together as a single class, will be required to approve any plan of reorganization (including bankruptcy proceedings) adversely


B-33

affecting such shares or any action requiring a vote of security holders under
Section 13(a) of the 1940 Act. The class vote of holders of shares of Preferred Shares, including APS, described above will in each case be in addition to a separate vote of the requisite percentage of shares of Common Shares and shares of Preferred Shares, including APS, voting together as a single class necessary to authorize the action in question.

(d) Voting Procedures.

(i) As soon as practicable after the accrual of any right of the holders of shares of Preferred Shares to elect additional trustees as described in paragraph 5(b) above, the Trust shall call a special meeting of such holders and instruct the Auction Agent to mail a notice of such special meeting to such holders, such meeting to be held not less than 10 nor more than 20 days after the date of mailing of such notice. If the Trust fails to send such notice to the Auction Agent or if the Trust does not call such a special meeting, it may be called by any such holder on like notice. The record date for determining the holders entitled to notice of and to vote at such special meeting shall be the close of business on the fifth Business Day preceding the day on which such notice is mailed. At any such special meeting and at each meeting held during a Voting Period, such Holders, voting together as a class (to the exclusion of the holders of all other securities and classes of shares of beneficial interest of the Trust), shall be entitled to elect the number of directors prescribed in paragraph 5(b) above. At any such meeting or adjournment thereof in the absence of a quorum, a majority of such holders present in person or by proxy shall have the power to adjourn the meeting without notice, other than by an announcement at the meeting, to a date not more than 120 days after the original record date.

(ii) For purposes of determining any rights of the Holders to vote on any matter or the number of shares required to constitute a quorum, whether such right is created by these Amended By-Laws, by the other provisions of the Declaration of Trust, by statute or otherwise, a share of APS which is not Outstanding shall not be counted.

(iii) The terms of office of all persons who are trustees of the Trust at the time of a special meeting of Holders and holders of other Preferred Shares to elect trustees shall continue, notwithstanding the election at such meeting by the Holders and such other holders of the number of trustees that they are entitled to elect, and the persons so elected by the Holders and such other holders, together with the two incumbent trustees elected by the Holders and such other holders of Preferred Shares and the remaining incumbent trustees elected by the holders of the Common Shares and Preferred Shares, shall constitute the duly elected trustees of the Trust.

(iv) Simultaneously with the expiration of a Voting Period, the terms of office of the additional trustees elected by the Holders and holders of other Preferred Shares pursuant to paragraph 5(b) above shall terminate, the remaining trustees shall constitute the trustees of the Trust and the voting rights of the Holders and such other holders to elect additional trustees pursuant to paragraph 5(b) above shall cease, subject to the provisions of the last sentence of paragraph 5(b).

(e) Exclusive Remedy. Unless otherwise required by law, the Holders of shares of APS shall not have any rights or preferences other than those specifically set forth herein. The Holders of shares of APS shall have no preemptive rights or rights to cumulative voting. In the event that the Trust fails to pay any dividends on the shares of APS, the exclusive remedy of the Holders shall be the right to vote for trustees pursuant to the provisions of this paragraph 5.

(f) Notification to Fitch and Moody's. In the event a vote of Holders of APS is required pursuant to the provisions of Section 13(a) of the 1940 Act, the Trust shall, not later than ten Business Days prior to the date on which such vote is to be taken, notify Fitch that such vote is to be taken and the nature of the action with respect to which such vote is to be taken and, not later than ten Business Days after the date on which such vote is taken, notify Fitch of the result of such vote.

6. 1940 ACT APS ASSET COVERAGE. The Trust shall maintain, as of the last Business Day of each month in which any share of APS is Outstanding, the 1940 Act APS Asset Coverage.


B-34

7. APS BASIC MAINTENANCE AMOUNT. The following references in this paragraph 7 to Fitch Eligible Assets and/or Moody's Eligible Assets, as the case may be, are only applicable if Fitch and/or Moody's, as the case may be, is rating the APS.
(a) The Trust shall maintain, on each Valuation Date, and shall verify to its satisfaction that it is maintaining on such Valuation Date Fitch Eligible Assets and Moody's Eligible Assets having an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount Test. Upon any failure to maintain the required Discounted Value, the Trust will use its best efforts to alter the composition of its portfolio to retain a Discounted Value at least equal to the APS Basic Maintenance Amount Test on or prior to the APS Basic Maintenance Cure Date.

(b) On or before 5:00 p.m., New York City time, on the third Business Day after a Valuation Date on which the Trust fails to satisfy the APS Basic Maintenance Amount Test, the Trust shall complete and deliver to the Auction Agent, Moody's and Fitch, a complete APS Basic Maintenance Report as of the date of such failure, which will be deemed to have been delivered to the Auction Agent if the Auction Agent receives a copy or telecopy, telex or other electronic transcription thereof and on the same day the Trust mails to the Auction Agent for delivery on the next Business Day the complete APS Basic Maintenance Report. The Trust will deliver an APS Basic Maintenance Report to the Auction Agent, Moody's and Fitch, on or before 5:00 p.m., New York City time, on the third Business Day after a Valuation Date on which the Trust cures its failure to maintain Fitch Eligible Assets and Moody's, with an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount Test or on which the Trust fails to maintain Fitch Eligible Assets and Moody's Eligible Assets, with an aggregate Discounted Value which exceeds the APS Basic Maintenance Amount by 5% or more. The Trust will also deliver an APS Basic Maintenance Report to the Auction Agent, Fitch, and Moody's as of each Monthly Valuation Date on or before the third Business Day after such date. Additionally, on or before 5:00 p.m., New York City time, on the third Business Day after the first day of a Special Dividend Period, the Trust will deliver an APS Basic Maintenance Report to Fitch, Moody's and the Auction Agent. The Trust shall also provide Fitch and Moody' with an APS Basic Maintenance Report when specifically requested by Fitch or Moody's, as applicable. A failure by the Trust to deliver an APS Basic Maintenance Report under this paragraph 7(b) shall be deemed to be delivery of an APS Basic Maintenance Report indicating the Discounted Value for Fitch Eligible Assets and Moody's Eligible Assets of the Trust is less than the APS Basic Maintenance Amount Test, as of the relevant Valuation Date.

(c) Within ten (10) Business Days after the date of delivery of an APS Basic Maintenance Report in accordance with paragraph 7(b) above relating to a Valuation Date as of the last Business Day of the Trust's fiscal year, the Independent Accountant will confirm in writing to the Auction Agent, Moody's and Fitch (i) the mathematical accuracy of the calculations reflected in such Report (and in any other APS Basic Maintenance Report, randomly selected by the Independent Accountant, that was delivered by the Trust at year-end on such Valuation Date), (ii) that, in such Report (and in such randomly selected Report), the Trust correctly determined the assets of the Trust which constitute Fitch Eligible Assets and Moody's Eligible Assets at such Monthly Valuation Date in accordance with these Amended By-Laws, (iii) that, in such Report (and in such randomly selected Report), the Trust determined whether the Trust had, at such Valuation Date (and at the Valuation Date addressed in such randomly selected Report) in accordance with these Amended By-Laws, Fitch Eligible Assets and Moody's Eligible Assets of an aggregate Discounted Value at least equal to the APS Basic Maintenance Amount Test, (iv) with respect to the Fitch ratings on debt securities, the issuer name, issue size and coupon rate listed in such Report, that the Independent Accountant has requested that Fitch verify such information and the Independent Accountant shall provide a listing in its letter of any differences, (v) with respect to the Moody's ratings on debt securities, the issuer name, issue size and coupon rate listed in such Report, that such information has been verified by Moody's (in the event such information is not verified by Moody's, the Independent Accountant will inquire of Moody's what such information is, and provide a listing in its letter of any differences),
(vi) with respect to the bid or mean price (or such alternative permissible factor used in calculating the Market Value) provided by the custodian of the Trust's assets to the Trust for purposes of valuing securities in the Trust's


B-35

portfolio, the Independent Accountant has traced the price used in such Report to the bid or mean price listed in such Report as provided to the Trust and verified that such information agrees (in the event such information does not agree, the Independent Accountant will provide a listing in its letter of such differences) and (vii) with respect to such confirmation to Moody's, that the Trust has satisfied the requirements of paragraph 8(a) of these Amended By-Laws (such confirmation is herein called the "Accountant's Confirmation").

(d) Within ten (10) Business Days after the date of delivery of an APS Basic Maintenance Report in accordance with paragraph 7(b) above relating to any Valuation Date on which the Trust failed to maintain Fitch Eligible Assets and Moody's Eligible Assets with an aggregate Discounted Value equal to or greater than the APS Basic Maintenance Amount, and relating to the APS Basic Maintenance Cure Date with respect to such failure, the Independent Accountant will provide to the Auction Agent, Moody's and Fitch an Accountant's Confirmation as to such APS Basic Maintenance Report.

(e) If any Accountant's Confirmation delivered pursuant to subparagraphs (c) or
(d) of this paragraph 7 shows that an error was made in the APS Basic Maintenance Report for a particular Valuation Date for which such Accountant's Confirmation as required to be delivered, or shows that a lower aggregate Discounted Value for the aggregate of all Fitch Eligible Assets and Moody's Eligible Assets of the Trust was determined by the Independent Accountant, the calculation or determination made by such Independent Accountant shall be final and conclusive and shall be binding on the Trust, and the Trust shall accordingly amend and deliver the APS Basic Maintenance Report to the Auction Agent, Moody's and Fitch promptly following receipt by the Trust of such Accountant's Confirmation.

(f) On or before 5:00 p.m., New York City time, on the first Business Day after the Date of Original Issue of the shares of APS, the Trust will complete and deliver to Fitch and Moody's an APS Basic Maintenance Report as of the close of business on such Date of Original Issue. Within five Business Days of such Date of Original Issue, the Independent Accountant will confirm in writing to Fitch and Moody's (i) the mathematical accuracy of the calculations reflected in such Report and (ii) that the aggregate Discounted Value of Fitch Eligible Assets or Moody's Eligible Assets, as applicable reflected thereon equals or exceeds the APS Basic Maintenance Amount reflected thereon. Also, on or before 5:00 p.m., New York City time, on the first Business Day after shares of Common Shares are repurchased by the Trust, the Trust will complete and deliver to Fitch and Moody's an APS Basic Maintenance Report as of the close of business on such date that Common Shares are repurchased.

8. CERTAIN OTHER MOODY'S RESTRICTIONS AND REQUIREMENTS.

(a) For so long as any APS are rated by Moody's, the Trust may buy or sell financial futures contracts, write, purchase or sell call options on financial futures contracts or purchase put options on financial futures contracts or write call options on portfolio securities, swaps and securities lending unless it receives written confirmation from Moody's that engaging in such transactions would impair the ratings then assigned to the APS by Moody's, (collectively "Moody's Hedging Transactions"), subject to the following limitations:

(i) Future and call options: For purposes of the APS Basic Maintenance Amount, futures held by the Trust and call options sold by the Trust shall not be included as Moody's Eligible Assets. However, such assets shall be valued at Market Value by subtracting the good faith margin and the maximum daily trading variance as of a Valuation Date. For call options purchased by the Trust, the Market Value of the call option will be included as Moody's Eligible Asset subject to a Moody's Discount Factor mutually agreed to between the Trust and Moody's based on the characteristics of the option contract such as its maturity and the underlying security of the contract.

(ii) Securities lending: The Trust may engage in securities lending in an amount not to exceed 15% of the Trust's total gross assets. For purposes of calculating the APS Basic Maintenance Amount, such securities lent shall be included as Moody's Eligible Assets with the appropriate Moody's Discount Factor applied to such lent security. The obligation to return such collateral shall not be included as an obligation/liability for purposes of calculating the APS Basic Maintenance Amount. However, the Trust


B-36

may reinvest cash collateral for securities lent in conformity with its investment objectives and policies and the provisions of these bylaws. In such event, to the extent that securities lending collateral received is invested by the Trust in assets that otherwise would be Moody's Eligible Assets and the value of such assets exceeds the amount of the Trust's Moody's Eligible Assets by applying the applicable Moody's Discount Factor to this amount and adding the product to total Moody's Eligible Assets. Conversely, if the value of assets in which securities lending collateral has been invested is less then the amount of the Trust's obligation to return the collateral on a Valuation Date, such difference shall be included as an obligation/liability of the Trust for purposes of calculating the APS Basic Maintenance Amount. Collateral received by the Trust in a securities lending transaction and maintained by the Trust in the form received shall not be included as a Moody's Eligible Asset for purposes of calculating the APS Basic Maintenance Amount.

(iii) Swaps (including Total Return Swaps, Interest Rate Swaps and Credit Default Swaps): Total return and Interest Rate Swaps are subject to the following provisions:

(A) Only the cumulative unsettled profit and loss from a Total Return Swap transaction will be calculated when determining the APS Basic Maintenance Amount. If the Trust has an outstanding gain from a swap transaction on a Valuation Date, the gain will be included as a Moody's Eligible Asset subject to the Moody's Discount Factor on the counterparty to the swap transaction. If the Trust has an outstanding liability from a swap transaction on a Valuation Date, the Trust will subtract the outstanding liability from the total Moody's Eligible Assets in calculating the APS Basic Maintenance Amount.

In addition, for swaps other than Total Return Swaps, the Market Value of the position (positive or negative) will be included as a Moody's Eligible Asset. The aggregate notional value of all swaps will not exceed the Liquidation Preference of the Outstanding APS. At the time a swap is executed, the Trust will only enter into swap transactions where the counterparty has at least a Fitch rating of A- or Moody's long-term rating of A3.

(B) (1) The underlying securities subject to a Credit Default Swap sold by the Trust will be subject to the applicable Moody's Discount Factor for each security subject to the swap;

(2) If the Trust purchases a Credit Default Swap and holds the underlying security, the Market Value of the Credit Default Swap and the underlying security will be included as a Moody's Eligible Asset subject to the Moody's Discount Factor assessed based on the counterparty risk and the duration of the swap agreement; and

(3) The Trust will not include a Credit Default Swap as a Moody's Eligible Asset purchased by the Trust without the Trust holding the underlying security or when the Trust buys a Credit Default Swap for a basket of securities without holding all the securities in the basket.

If not otherwise provided for in (a)(i)-(iii) above, derivative instruments shall be treated as follows: Any derivative instruments will be valued pursuant to the Trust's valuation procedures on a Valuation Date. The amount of the net payment obligation and the cost of a closing transaction, as appropriate, on any derivative instrument on a Valuation Date will be counted as a liability for purposes of determining the APS Basic Maintenance Amount (e.g,, a written call option that is in the money for the holder). Any derivative instrument with respect to which the Trust is owed payment on the Valuation Date that is not based upon an individual security or securities that are Moody's Eligible Assets will have a mutually agreed upon valuation by Moody's and the Trust for purposes of determining Moody's Eligible Assets. Any derivative instrument with respect to which the Trust is owed payment on the valuation date that is based upon an individual security or securities that are Moody's Eligible Assets (e.g., a purchased call option on a bond that is in the money) will be valued as follows for purposes of determining Moody's Eligible Assets: (A) For such derivative instruments that are exchange traded, the value of the in-the-money amount of the payment obligation to the Trust will be reduced by applying the Moody's Discount Factor (as it would apply to the underlying security or securities) and then added to Moody's Eligible Assets; and (B) for such derivative instruments that


B-37

are not exchange traded, the value of the in-the-money amount of the payment obligation to the Trust will be (1) reduced as described in (A) and (B) further reduced by applying to the remaining amount the Moody's Discount Factor determined by reference to the credit rating of the derivative counterparty with the remaining amount after these reductions then added to Moody's Eligible Assets.

For purposes of determining whether the Trust has Moody's Eligible Assets with an aggregate Discounted Value that equals or exceeds the APS Basic Maintenance Amount, the Discounted Value of all Forward Commitments to which the Trust is a party and of all securities deliverable to the Trust pursuant to such Forward Commitments shall be zero.

A preferred stock rating is an assessment of the capacity and willingness of an issuer to pay preferred stock obligations. The ratings on the Preferred Shares are not recommendations to purchase, hold, or sell those shares, inasmuch as the ratings do not comment as to market price or suitability for a particular investor. The rating agency guidelines described above also do not address the likelihood that an owner of Preferred Shares will be able to sell such shares in an Auction or otherwise.

The Trust agrees to notify Moody's and Fitch with no less than thirty (30) days' notification of: (i) any material changes to the Trust's organizational documents and material contracts, as determined by the Trust's officers, in their sole discretion, (ii) any redemptions of APS by the Trust, or (iii) any failed Auctions.

9. NOTICE. All notices or communications, unless otherwise specified in the Amended By-Laws of the Trust or these Amended By-Laws, shall be sufficiently given if in writing and delivered in person or mailed by first-class mail, postage prepaid. Notice shall be deemed given on the earlier of the date received or the date 7 days after which such notice is mailed.

10. AUCTION PROCEDURES. (a) Certain definitions. As used in this paragraph 10, the following terms shall have the following meanings, unless the context otherwise requires:

(i) "APS" means the shares of APS being auctioned pursuant to this paragraph 10.

(ii) "Auction Date" means the first Business Day preceding the first day of a Dividend Period.

(iii) "Available APS" has the meaning specified in paragraph 10(d)(i) below.

(iv) "Bid" has the meaning specified in paragraph 10(b)(i) below.

(v) "Bidder" has the meaning specified in paragraph 10(b)(i) below.

(vi) "Hold Order" has the meaning specified in paragraph 10(b)(i) below.

(vii) "Maximum Applicable Rate" for any Dividend Period will be the Applicable Percentage of the Reference Rate. The Applicable Percentage will be determined based on the credit rating assigned on such date to such shares by Fitch and Moody's (or if Fitch or Moody's shall not make such rating available, the equivalent of such rating by a Substitute Rating Agency) as follows:

CREDIT RATINGS
-----------------------------    PERCENTAGE OF
MOODY'S             FITCH        REFERENCE RATE
-------------   -------------   ----------------
Aa3 or higher   AA- or higher         150%
A3 to A1        A- to A+              160%
Baa3 to Baa1    BBB- to BBB+          250%
Below Baa3      Below BBB-            275%

The Trust shall take all reasonable action necessary to enable Fitch and Moody's to provide a rating for each series of APS. If Fitch or Moody's shall not make such a rating available, Eaton Vance Management or its affiliates and successors, after consultation with the Trust, shall select a nationally recognized statistical rating organization to act as a Substitute Rating Agency.


B-38

(viii) "Order" has the meaning specified in paragraph 10(b)(i) below.

(ix) "Sell Order" has the meaning specified in paragraph 10(b)(i) below.

(x) "Submission Deadline" means 1:30 p.m., New York City time, on any Auction Date or such other time on any Auction Date as may be specified by the Auction Agent from time to time as the time by which each Broker-Dealer must submit to the Auction Agent in writing all Orders obtained by it for the Auction to be conducted on such Auction Date.

(xi) "Submitted Bid" has the meaning specified in paragraph 10(d)(i) below.

(xii) "Submitted Hold Order" has the meaning specified in paragraph 10(d)(i) below.

(xiii) "Submitted Order" has the meaning specified in paragraph 10(d)(i) below.

(xiv) "Submitted Sell Order" has the meaning specified in paragraph 10(d)(i) below.

(xv) "Sufficient Clearing Bids" has the meaning specified in paragraph 10(d)(i) below.

(xvi) "Winning Bid Rate" has the meaning specified in paragraph 10(d)(i) below.

(b) Orders by Beneficial Owners, Potential Beneficial Owners, Existing Holders and Potential Holders.

(i) Unless otherwise permitted by the Trust, Beneficial Owners and Potential Beneficial Owners may only participate in Auctions through their Broker-Dealers. Broker-Dealers will submit the Orders of their respective customers who are Beneficial Owners and Potential Beneficial Owners to the Auction Agent, designating themselves as Existing Holders in respect of shares subject to Orders submitted or deemed submitted to them by Beneficial Owners and as Potential Holders in respect of shares subject to Orders submitted to them by Potential Beneficial Owners. A Broker-Dealer may also hold shares of APS in its own account as a Beneficial Owner. A Broker-Dealer may thus submit Orders to the Auction Agent as a Beneficial Owner or a Potential Beneficial Owner and therefore participate in an Auction as an Existing Holder or Potential Holder on behalf of both itself and its customers. On or prior to the Submission Deadline on each Auction Date:

(A) each Beneficial Owner may submit to its Broker-Dealer information as to:

(1) the number of Outstanding shares, if any, of APS held by such Beneficial Owner which such Beneficial Owner desires to continue to hold without regard to the Applicable Rate for the next succeeding Dividend Period;

(2) the number of Outstanding shares, if any, of APS held by such Beneficial Owner which such Beneficial Owner desires to continue to hold, provided that the Applicable Rate for the next succeeding Dividend Period shall not be less than the rate per annum specified by such Beneficial Owner; and/or

(3) the number of Outstanding shares, if any, of APS held by such Beneficial Owner which such Beneficial Owner offers to sell without regard to the Applicable Rate for the next succeeding Dividend Period; and

(B) each Broker-Dealer, using a list of Potential Beneficial Owners that shall be maintained in good faith for the purpose of conducting a competitive Auction, shall contact Potential Beneficial Owners, including Persons that are not Beneficial Owners, on such list to determine the number of Outstanding shares, if any, of APS which each such Potential Beneficial Owner offers to purchase, provided that the Applicable Rate for the next succeeding Dividend Period shall not be less than the rate per annum specified by such Potential Beneficial Owner.

For the purposes hereof, the communication by a Beneficial Owner or Potential Beneficial Owner to a Broker-Dealer, or the communication by a Broker-Dealer acting for its own account to the Auction Agent, of information referred to in clause (A) or (B) of this paragraph 10(b)(i) is hereinafter referred to as an "Order" and each Beneficial Owner and each Potential Beneficial Owner placing an Order,


B-39

including a Broker-Dealer acting in such capacity for its own account, is hereinafter referred to as a "Bidder"; an Order containing the information referred to in clause (A)(1) of this paragraph 10(b)(i) is hereinafter referred to as a "Hold Order"; an Order containing the information referred to in clause (A)(2) or (B) of this paragraph 10(b)(i) is hereinafter referred to as a "Bid"; and an Order containing the information referred to in clause (A)(3) of this paragraph 10(b)(i) is hereinafter referred to as a "Sell Order". Inasmuch as a Broker-Dealer participates in an Auction as an Existing Holder or a Potential Holder only to represent the interests of a Beneficial Owner or Potential Beneficial Owner, whether it be its customers or itself, all discussion herein relating to the consequences of an Auction for Existing Holders and Potential Holders also applies to the underlying beneficial ownership interests represented.

(ii) (A) A Bid by an Existing Holder shall constitute an irrevocable offer to sell:

(1) the number of Outstanding shares of APS specified in such Bid if the Applicable Rate determined on such Auction Date shall be less than the rate per annum specified in such Bid; or (1) such number or a lesser number of Outstanding shares of APS to be determined as set forth in paragraph 10(e)(i)(D) if the Applicable Rate determined on such Auction Date shall be equal to the rate per annum specified therein; or

(2) a lesser number of Outstanding shares of APS to be determined as set forth in paragraph 10(e)(ii)(C) if such specified rate per annum shall be higher than the Maximum Applicable Rate and Sufficient Clearing Bids do not exist.

(B) A Sell Order by an Existing Holder shall constitute an irrevocable offer to sell:

(1) the number of Outstanding shares of APS specified in such Sell Order; or

(2) such number or a lesser number of Outstanding shares of APS to be determined as set forth in paragraph 10(e)(ii)(C) if Sufficient Clearing Bids do not exist.

(C) A Bid by a Potential Holder shall constitute an irrevocable offer to purchase:

(1) the number of Outstanding shares of APS specified in such Bid if the Applicable Rate determined on such Auction Date shall be higher than the rate per annum specified in such Bid; or

(2) such number or a lesser number of Outstanding shares of APS to be determined as set forth in paragraph 10(e)(i)(E) if the Applicable Rate determined on such Auction Date shall be equal to the rate per annum specified therein.

(c) Submission of Orders by Broker-Dealers to Auction Agent

(i) Each Broker-Dealer shall submit in writing or through the Auction Agent's Auction Processing System to the Auction Agent prior to the Submission Deadline on each Auction Date all Orders obtained by such Broker-Dealer, designating itself (unless otherwise permitted by the Trust) as an Existing Holder in respect of shares subject to Orders submitted or deemed submitted to it by Beneficial Owners and as a Potential Holder in respect of shares subject to Orders submitted to it by Potential Beneficial Owners, and specifying with respect to each Order:

(A) the name of the Bidder placing such Order (which shall be the Broker-Dealer unless otherwise permitted by the Trust);

(B) the aggregate number of Outstanding shares of APS that are the subject of such Order;

(C) to the extent that such Bidder is an Existing Holder:

(1) the number of Outstanding shares, if any, of APS subject to any Hold Order placed by such Existing Holder;

(2) the number of Outstanding shares, if any, of APS subject to any Bid placed by such Existing Holder and the rate per annum specified in such Bid; and


B-40

(3) the number of Outstanding shares, if any, of APS subject to any Sell Order placed by such Existing Holder; and

(D) to the extent such Bidder is a Potential Holder, the rate per annum specified in such Potential Holder's Bid.

(ii) If any rate per annum specified in any Bid contains more than three figures to the right of the decimal point, the Auction Agent shall round such rate up to the next highest one-thousandth (.001) of 1%.

(iii) If an Order or Orders covering all of the Outstanding shares of APS held by an Existing Holder are not submitted to the Auction Agent prior to the Submission Deadline, either because a Broker-Dealer failed to contact such Existing Holder or otherwise, the Auction Agent shall deem a Hold Order (in the case of an Auction relating to a Dividend Period of 91 days or less) and a Sell Order (in the case of an Auction relating to a Special Dividend Period of longer than 91 days) to have been submitted by or on behalf of such Existing Holder covering the number of Outstanding shares of APS held by such Existing Holder and not subject to Orders submitted to the Auction Agent.

(iv) If one or more Orders on behalf of an Existing Holder covering in the aggregate more than the number of Outstanding shares of APS held by such Existing Holder are submitted to the Auction Agent, such Order shall be considered valid as follows and in the following order of priority:

(A) any Hold Order submitted on behalf of such Existing Holder shall be considered valid up to and including the number of Outstanding shares of APS held by such Existing Holder; provided that if more than one Hold Order is submitted on behalf of such Existing Holder and the number of shares of APS subject to such Hold Orders exceeds the number of Outstanding shares of APS held by such Existing Holder, the number of shares of APS subject to each of such Hold Orders shall be reduced pro rata so that such Hold Orders, in the aggregate, will cover exactly the number of Outstanding shares of APS held by such Existing Holder;

(B) any Bids submitted on behalf of such Existing Holder shall be considered valid, in the ascending order of their respective rates per annum if more than one Bid is submitted on behalf of such Existing Holder, up to and including the excess of the number of Outstanding shares of APS held by such Existing Holder over the number of shares of APS subject to any Hold Order referred to in paragraph 10(c)(iv)(A) above (and if more than one Bid submitted on behalf of such Existing Holder specifies the same rate per annum and together they cover more than the remaining number of shares that can be the subject of valid Bids after application of paragraph 10(c)(iv)(A) above and of the foregoing portion of this paragraph 10(c)(iv)(B) to any Bid or Bids specifying a lower rate or rates per annum, the number of shares subject to each of such Bids shall be reduced pro rata so that such Bids, in the aggregate, cover exactly such remaining number of shares); and the number of shares, if any, subject to Bids not valid under this paragraph 10(c)(iv)(B) shall be treated as the subject of a Bid by a Potential Holder; and

(C) any Sell Order shall be considered valid up to and including the excess of the number of Outstanding shares of APS held by such Existing Holder over the number of shares of APS subject to Hold Orders referred to in paragraph 10(c)(iv)(A) and Bids referred to in paragraph 10(c)(iv)(B); provided that if more than one Sell Order is submitted on behalf of any Existing Holder and the number of shares of APS subject to such Sell Orders is greater than such excess, the number of shares of APS subject to each of such Sell Orders shall be reduced pro rata so that such Sell Orders, in the aggregate, cover exactly the number of shares of APS equal to such excess.

(v) If more than one Bid is submitted on behalf of any Potential Holder, each Bid submitted shall be a separate Bid with the rate per annum and number of shares of APS therein specified.

(vi) Any Order submitted by a Beneficial Owner as a Potential Beneficial Owner to its Broker-Dealer, or by a Broker-Dealer to the Auction Agent, prior to the Submission Deadline on any Auction Date shall be irrevocable.


B-41

(d) Determination of Sufficient Clearing Bids, Winning Bid Rate and Applicable Rate.

(i) Not earlier than the Submission Deadline on each Auction Date, the Auction Agent shall assemble all Orders submitted or deemed submitted to it by the Broker-Dealers (each such Order as submitted or deemed submitted by a Broker-Dealer being hereinafter referred to individually as a "Submitted Hold Order", a "Submitted Bid" or a "Submitted Sell Order", as the case may be, or as a "Submitted Order") and shall determine:

(A) the excess of the total number of Outstanding shares of APS over the number of Outstanding shares of APS that are the subject of Submitted Hold Orders (such excess being hereinafter referred to as the "Available APS");

(B) from the Submitted Orders whether the number of Outstanding shares of APS that are the subject of Submitted Bids by Potential Holders specifying one or more rates per annum equal to or lower than the Maximum Applicable Rate exceeds or is equal to the sum of:

(1) the number of Outstanding shares of APS that are the subject of Submitted Bids by Existing Holders specifying one or more rates per annum higher than the Maximum Applicable Rate, and

(2) the number of Outstanding shares of APS that are subject to Submitted Sell Orders (if such excess or such equality exists (other than because the number of Outstanding shares of APS in clause (1) above and this clause (2) are each zero because all of the Outstanding shares of APS are the subject of Submitted Hold Orders), such Submitted Bids by Potential Holders being hereinafter referred to collectively as "Sufficient Clearing Bids"); and

(C) if Sufficient Clearing Bids exist, the lowest rate per annum specified in the Submitted Bids (the "Winning Bid Rate") that if:

(1) each Submitted Bid from Existing Holders specifying the Winning Bid Rate and all other Submitted Bids from Existing Holders specifying lower rates per annum were rejected, thus entitling such Existing Holders to continue to hold the shares of APS that are the subject of such Submitted Bids, and

(2) each Submitted Bid from Potential Holders specifying the Winning Bid Rate and all other Submitted Bids from Potential Holders specifying lower rates per annum were accepted, thus entitling the Potential Holders to purchase the shares of APS that are the subject of such Submitted Bids, would result in the number of shares subject to all Submitted Bids specifying the Winning Bid Rate or a lower rate per annum being at least equal to the Available APS.

(ii) Promptly after the Auction Agent has made the determinations pursuant to paragraph 10(d)(i), the Auction Agent shall advise the Trust of the Maximum Applicable Rate and, based on such determinations, the Applicable Rate for the next succeeding Dividend Period as follows:

(A) if Sufficient Clearing Bids exist, that the Applicable Rate for the next succeeding Dividend Period shall be equal to the Winning Bid Rate;

(B) if Sufficient Clearing Bids do not exist (other than because all of the Outstanding shares of APS are the subject of Submitted Hold Orders), that the Applicable Rate for the next succeeding Dividend Period shall be equal to the Maximum Applicable Rate; or

(C) if all of the Outstanding shares of APS are the subject of Submitted Hold Orders, that the Dividend Period next succeeding the Auction shall automatically be the same length as the immediately preceding Dividend Period and the Applicable Rate for the next succeeding Dividend Period shall be equal to 60% of the Reference Rate on the date of the Auction.

(e) Acceptance and Rejection of Submitted Bids and Submitted Sell Orders and Allocation of Shares. Based on the determinations made pursuant to paragraph
10(d)(i), the Submitted Bids and Submitted


B-42

Sell Orders shall be accepted or rejected and the Auction Agent shall take such other action as set forth below:

(i) If Sufficient Clearing Bids have been made, subject to the provisions of paragraph 10(e)(iii) and paragraph 10(e)(iv), Submitted Bids and Submitted Sell Orders shall be accepted or rejected in the following order of priority and all other Submitted Bids shall be rejected:

(A) the Submitted Sell Orders of Existing Holders shall be accepted and the Submitted Bid of each of the Existing Holders specifying any rate per annum that is higher than the Winning Bid Rate shall be accepted, thus requiring each such Existing Holder to sell the Outstanding shares of APS that are the subject of such Submitted Sell Order or Submitted Bid;

(B) the Submitted Bid of each of the Existing Holders specifying any rate per annum that is lower than the Winning Bid Rate shall be rejected, thus entitling each such Existing Holder to continue to hold the Outstanding shares of APS that are the subject of such Submitted Bid;

(C) the Submitted Bid of each of the Potential Holders specifying any rate per annum that is lower than the Winning Bid Rate shall be accepted;

(D) the Submitted Bid of each of the Existing Holders specifying a rate per annum that is equal to the Winning Bid Rate shall be rejected, thus entitling each such Existing Holder to continue to hold the Outstanding shares of APS that are the subject of such Submitted Bid, unless the number of Outstanding shares of APS subject to all such Submitted Bids shall be greater than the number of Outstanding shares of APS ("Remaining Shares") equal to the excess of the Available APS over the number of Outstanding shares of APS subject to Submitted Bids described in paragraph 10(e)(i)(B) and paragraph 10(e)(i)(C), in which event the Submitted Bids of each such Existing Holder shall be accepted, and each such Existing Holder shall be required to sell Outstanding shares of APS, but only in an amount equal to the difference between (1) the number of Outstanding shares of APS then held by such Existing Holder subject to such Submitted Bid and (2) the number of shares of APS obtained by multiplying (x) the number of Remaining Shares by (y) a fraction the numerator of which shall be the number of Outstanding shares of APS held by such Existing Holder subject to such Submitted Bid and the denominator of which shall be the sum of the number of Outstanding shares of APS subject to such Submitted Bids made by all such Existing Holders that specified a rate per annum equal to the Winning Bid Rate; and

(E) the Submitted Bid of each of the Potential Holders specifying a rate per annum that is equal to the Winning Bid Rate shall be accepted but only in an amount equal to the number of Outstanding shares of APS obtained by multiplying
(x) the difference between the Available APS and the number of Outstanding shares of APS subject to Submitted Bids described in paragraph 10(e)(i)(B), paragraph 10(e)(i)(C) and paragraph 10(e)(i)(D) by (y) a fraction the numerator of which shall be the number of Outstanding shares of APS subject to such Submitted Bid and the denominator of which shall be the sum of the number of Outstanding shares of APS subject to such 74 Submitted Bids made by all such Potential Holders that specified rates per annum equal to the Winning Bid Rate.

(ii) If Sufficient Clearing Bids have not been made (other than because all of the Outstanding shares of APS are subject to Submitted Hold Orders), subject to the provisions of paragraph 10(e)(iii), Submitted Orders shall be accepted or rejected as follows in the following order of priority and all other Submitted Bids shall be rejected:

(A) the Submitted Bid of each Existing Holder specifying any rate per annum that is equal to or lower than the Maximum Applicable Rate shall be rejected, thus entitling such Existing Holder to continue to hold the Outstanding shares of APS that are the subject of such Submitted Bid;

(B) the Submitted Bid of each Potential Holder specifying any rate per annum that is equal to or lower than the Maximum Applicable Rate shall be accepted, thus requiring such Potential Holder to purchase the Outstanding shares of APS that are the subject of such Submitted Bid; and


B-43

(C) the Submitted Bids of each Existing Holder specifying any rate per annum that is higher than the Maximum Applicable Rate shall be accepted and the Submitted Sell Orders of each Existing Holder shall be accepted, in both cases only in an amount equal to the difference between (1) the number of Outstanding shares of APS then held by such Existing Holder subject to such Submitted Bid or Submitted Sell Order and (2) the number of shares of APS obtained by multiplying
(x) the difference between the Available APS and the aggregate number of Outstanding shares of APS subject to Submitted Bids described in paragraph 10(e)(ii)(A) and paragraph 10(e)(ii)(B) by (y) a fraction the numerator of which shall be the number of Outstanding shares of APS held by such Existing Holder subject to such Submitted Bid or Submitted Sell Order and the denominator of which shall be the number of Outstanding shares of APS subject to all such Submitted Bids and Submitted Sell Orders.

(iii) If, as a result of the procedures described in paragraph 10(e)(i) or paragraph 10(e)(ii), any Existing Holder would be entitled or required to sell, or any Potential Holder would be entitled or required to purchase, a fraction of a share of APS on any Auction Date, the Auction Agent shall, in such manner as in its sole discretion it shall determine, round up or down the number of shares of APS to be purchased or sold by any Existing Holder or Potential Holder on such Auction Date so that each Outstanding share of APS purchased or sold by each Existing Holder or Potential Holder on such Auction Date shall be a whole share of APS.

(iv) If, as a result of the procedures described in paragraph 10(e)(i), any Potential Holder would be entitled or required to purchase less than a whole share of APS on any Auction Date, the Auction Agent shall, in such manner as in its sole discretion it shall determine, allocate shares of APS for purchase among Potential Holders so that only whole shares of APS are purchased on such Auction Date by any Potential Holder, even if such allocation results in one or more of such Potential Holders not purchasing any shares of APS on such Auction Date.

(v) Based on the results of each Auction, the Auction Agent shall determine, with respect to each Broker-Dealer that submitted Bids or Sell Orders on behalf of Existing Holders or Potential Holders, the aggregate number of Outstanding shares of APS to be purchased and the aggregate number of the Outstanding shares of APS to be sold by such Potential Holders and Existing Holders and, to the extent that such aggregate number of Outstanding shares to be purchased and such aggregate number of Outstanding shares to be sold differ, the Auction Agent shall determine to which other Broker-Dealer or Broker-Dealers acting for one or more purchasers such Broker-Dealer shall deliver, or from which other Broker-Dealer or Broker-Dealers acting for one or more sellers such Broker-Dealer shall receive, as the case may be, Outstanding shares of APS

(vi) If all Outstanding shares of APS are subject to Submitted Hold Orders, the Applicable Rate for such APS for the next succeeding Dividend Period thereof shall be the All Hold Rate.

(f) Miscellaneous. The Trust may interpret the provisions of this paragraph 10 to resolve any inconsistency or ambiguity, remedy any formal defect or make any other change or modification that does not substantially adversely affect the rights of Beneficial Owners of APS. A Beneficial Owner or an Existing Holder (A) may sell, transfer or otherwise dispose of shares of APS only pursuant to a Bid or Sell Order in accordance with the procedures described in this paragraph 10 or to or through a Broker-Dealer, provided that in the case of all transfers other than pursuant to Auctions such Beneficial Owner or Existing Holder, its Broker-Dealer, if applicable, or its Agent Member advises the Auction Agent of such transfer and (B) except as otherwise required by law, shall have the ownership of the shares of APS held by it maintained in book entry form by the Securities Depository in the account of its Agent Member, which in turn will maintain records of such Beneficial Owner's beneficial ownership. Neither the Trust nor any Affiliate shall submit an Order in any Auction. Any Beneficial Owner that is an Affiliate shall not sell, transfer or otherwise dispose of shares of APS to any Person other than the Trust. All of the Outstanding shares of APS of a series shall be represented by a single certificate registered in the name of the nominee of the Securities Depository unless otherwise required by law or unless there is no Securities Depository. If there is no Securities Depository, at the Trust's option and upon its receipt of such documents as it deems appropriate, any shares of APS may be


B-44

registered in the Stock Register in the name of the Beneficial Owner thereof and such Beneficial Owner thereupon will be entitled to receive certificates therefor and required to deliver certificates therefor upon transfer or exchange thereof.

11. SECURITIES DEPOSITORY; STOCK CERTIFICATES. (a) If there is a Securities Depository, one certificate for all of the shares of APS of each series shall be issued to the Securities Depository and registered in the name of the Securities Depository or its nominee. Additional certificates may be issued as necessary to represent shares of APS. All such certificates shall bear a legend to the effect that such certificates are issued subject to the provisions restricting the transfer of shares of APS contained in these Amended By-Laws. Unless the Trust shall have elected, during a Non-Payment Period, to waive this requirement, the Trust will also issue stop-transfer instructions to the Auction Agent for the shares of APS. Except as provided in paragraph

(b) below, the Securities Depository or its nominee will be the Holder, and no Beneficial Owner shall receive certificates representing its ownership interest in such shares. (b) If the Applicable Rate applicable to all shares of APS of a series shall be the Non-Payment Period Rate or there is no Securities Depository, the Trust may at its option issue one or more new certificates with respect to such shares (without the legend referred to in paragraph 11(a)) registered in the names of the Beneficial Owners or their nominees and rescind the stop-transfer instructions referred to in paragraph 11(a) with respect to such shares.


B-45

Exhibit (h)(4)

Eaton Vance Senior Floating-Rate Trust

Auction Preferred Shares

Par Value $0.01 Per Share

UNDERWRITING AGREEMENT

January [ ], 2004


UNDERWRITING AGREEMENT

January [ ], 2004

UBS Securities LLC
[ ]
as Representatives

c/o UBS Securities LLC
as Managing Representative
299 Park Avenue
New York, New York 10171-0026

Ladies and Gentlemen:

Eaton Vance Senior Floating-Rate Trust, a voluntary association with transferable shares organized and existing under and by virtue of the laws of The Commonwealth of Massachusetts (commonly referred to as a Massachusetts business trust) (the "Fund"), proposes to issue and sell to the underwriters named in Schedule A annexed hereto (the "Underwriters") an aggregate of [ ] preferred shares of beneficial interest, par value $0.01 per share, designated Series A Auction Preferred Shares, [ ] preferred shares of beneficial interest, par value $0.01 per share, designated Series B Auction Preferred Shares, [ ] preferred shares of beneficial interest, par value $0.01 per share, designated Series C Auction Preferred Shares, and [ ] preferred shares of beneficial interest, par value $0.01 per share, designated Series D Auction Preferred Shares, each with a liquidation preference of $25,000 per share (the "Shares"), of the Fund. The Shares are described in the Prospectus which is defined below.

The Fund has filed, in accordance with the provisions of the Securities Act of 1933, as amended, and the rules and regulations thereunder (collectively called the "Securities Act"), and with the provisions of the Investment Company Act of 1940, as amended, and the rules and regulations thereunder (collectively called the "Investment Company Act"), with the Securities and Exchange Commission (the "Commission") a registration statement on Form N-2 (File Nos. 333-[ ] and 811-21411), including a prospectus and a statement of additional information, relating to the Shares. The Fund has furnished to the Representatives, for use by the Underwriters and by dealers, copies of one or more preliminary prospectuses (including a preliminary statement of additional information) (each thereof, including such preliminary statement of additional information, being herein called a "Preliminary Prospectus") relating to the Shares. Except where the context otherwise requires, the registration statement, as amended when it becomes effective (the "Effective Date"), including all documents filed as a part thereof or incorporated by reference therein, and including any information contained in a prospectus subsequently filed with the Commission pursuant to Rule 497 under the Securities Act and deemed to be part of the registration statement at the time of

2

effectiveness pursuant to Rule 430A under the Securities Act is herein called the "Registration Statement," and the prospectus (including the statement of additional information), in the form filed by the Fund with the Commission pursuant to Rule 497 under the Securities Act or, if no such filing is required, the form of final prospectus (including the form of final statement of additional information) included in the Registration Statement at the time it became effective, is herein called the "Prospectus." In addition, the Fund has filed a Notification of Registration on Form N-8A (the "Notification") pursuant to Section 8 of the Investment Company Act. UBS Securities LLC ("UBS Securities" or the "Managing Representative") will act as managing representative for the Underwriters.

Eaton Vance Management, a Massachusetts business trust ("Eaton Vance" or the "Investment Adviser") will act as the Fund's investment adviser pursuant to an Investment Advisory Agreement by and between the Fund and the Investment Adviser, dated as of October 20, 2003 (the "Investment Advisory Agreement"). Investors Bank & Trust Company will act as the custodian (the "Custodian") of the Fund's cash and portfolio assets pursuant to a Custodian Agreement, dated as of October 20, 2003 (the "Custodian Agreement"). PFPC Inc. will act as the Fund's transfer agent, registrar, and dividend disbursing agent (the "Transfer Agent") pursuant to a Transfer Agency Services Agreement, dated as of October 20, 2003 (the "Transfer Agency Agreement"). Eaton Vance will act as the administrator of the Fund pursuant to an Administration Agreement, dated as of October 20, 2003 (the "Administration Agreement"). The Investment Adviser and UBS Securities LLC have entered into a Shareholder Servicing Agreement dated November 28, 2003 (the "Shareholder Servicing Agreement"). Deutsche Bank Trust Company Americas will act as the Fund's auction agent pursuant to an Auction Agency Agreement, dated as of January [ ], 2004 (the "Auction Agency Agreement"). The Fund has entered into a Letter Agreement, dated as of January [ ], 2004, with the Depository Trust Company (the "DTC Agreement"). In addition, the Fund has adopted a dividend reinvestment plan (the "Dividend Reinvestment Plan") pursuant to which holders of Shares may have their dividends automatically reinvested in additional Common Shares of the Fund if so elected.

The Fund, the Investment Adviser and the Underwriters agree as follows:

1. SALE AND PURCHASE. Upon the basis of the warranties and representations and subject to the terms and conditions herein set forth, the Fund agrees to sell to the respective Underwriters and each of the Underwriters, severally and not jointly, agrees to purchase from the Fund the aggregate number of Shares set forth opposite the name of such Underwriter in Schedule A attached hereto in each case at a purchase price of $24,750.00 per Share. The Fund is advised that the Underwriters intend (i) to make a public offering of their respective portions of the Shares as soon after the effective date of the Registration Statement as is advisable and (ii) initially to offer the Shares upon the terms set forth in the Prospectus. The Underwriters may from time to time increase or decrease the public offering price after the initial public offering to such extent as they may determine.

3

2. PAYMENT AND DELIVERY. Payment of the purchase price for the Shares shall be made by the Underwriters to the Fund by Federal Funds wire transfer, against delivery of the Shares to you through the facilities of the Depository Trust Company ("DTC") for the respective accounts of the Underwriters. Such payment and delivery shall be made at 10:00
A.M., New York City time on the third business day following the date of this Underwriting Agreement (unless another date or time shall be agreed to by you and the Fund). The time at which such payment and delivery are actually made is hereinafter sometimes called the "Time of Purchase" or the "Closing Date." Certificates for the Shares, if any, shall be delivered to you in definitive form in such names and in such denominations as you shall specify on the second business day preceding the Time of Purchase. For the purpose of expediting the checking of the certificates for the Shares by you, the Fund agrees to make such certificates, if any, available to you for such purpose at least one full business day preceding the Time of Purchase.

3. REPRESENTATIONS AND WARRANTIES OF THE FUND AND THE INVESTMENT ADVISER. Each of the Fund and the Investment Adviser jointly and severally represents and warrants to each Underwriter as follows:

(a) On (i) the Effective Date and the date on which the Prospectus is first filed with the Commission pursuant to Rule 497(b),
(h) or (j) under the Securities Act, as the case may be, (ii) the date on which any post-effective amendment to the Registration Statement (except any post-effective amendment which is filed with the Commission after the later of (x) one year from the date of this Underwriting Agreement or (y) the date on which the distribution of the Shares is completed) became or becomes effective or any amendment or supplement to the Prospectus was or is filed with the Commission and (iii) the Closing Dates, the Registration Statement, the Prospectus and any such amendment or supplement thereto and the Notification complied or will comply in all material respects with the requirements of the Securities Act and the Investment Company Act, as the case may be. On the Effective Date and on the date that any post-effective amendment to the Registration Statement (except any post-effective amendment which is filed with the Commission after the later of (x) one year from the date of this Underwriting Agreement or (y) the date on which the distribution of the Shares is completed) became or becomes effective, neither the Registration Statement nor any such amendment did or will contain any untrue statement of a material fact or omit to state a material fact required to be stated in it or necessary to make the statements in it not misleading. At the Effective Date and, if applicable, the date the Prospectus or any amendment or supplement to the Prospectus was or is filed with the Commission and at the Closing Dates, the Prospectus did not or will not, as the case may be, contain any untrue statement of a material fact or omit to state a material fact required to be stated in it or necessary to make the statements in it, in light of the circumstances under which they were made, not misleading. The foregoing representations in

4

this Section 3(a) do not apply to statements or omissions relating to the Underwriters made in reliance on and in conformity with information furnished in writing to the Fund by the Underwriters expressly for use in the Registration Statement, the Prospectus, or any amendments or supplements thereto, as described in Section 9(f) hereof.

(b) The Fund has been duly formed, is validly existing as a business trust under the laws of The Commonwealth of Massachusetts, with full power and authority to conduct all the activities conducted by it, to own or lease all assets owned or leased by it and to conduct its business as described in the Registration Statement and Prospectus, and the Fund is duly licensed and qualified to do business and in good standing in each jurisdiction in which its ownership or leasing of property or its conducting of business requires such qualification, except where the failure to be so qualified or be in good standing would not have a material adverse effect on the Fund, and the Fund owns, possesses or has obtained and currently maintains all governmental licenses, permits, consents, orders, approvals and other authorizations, whether foreign or domestic, necessary to carry on its business as contemplated in the Prospectus. The Fund has no subsidiaries.

(c) The capitalization of the Fund is as set forth in the Registration Statement and the Prospectus. The Common Shares conform in all material respects to the description of them in the Prospectus. All the outstanding Common Shares have been duly authorized and are validly issued, fully paid and nonassessable (except as described in the Registration Statement). The Shares to be issued and delivered to and paid for by the Underwriters in accordance with this Underwriting Agreement against payment therefor as provided by this Underwriting Agreement have been duly authorized and when issued and delivered to the Underwriters will have been validly issued and will be fully paid and nonassessable (except as described in the Registration Statement). No person is entitled to any preemptive or other similar rights with respect to the Shares.

(d) The Fund is duly registered with the Commission under the Investment Company Act as a diversified, closed-end management investment company, and, subject to the filing of any final amendment to the Registration Statement (a "Final Amendment"), if not already filed, all action under the Securities Act and the Investment Company Act, as the case may be, necessary to make the public offering and consummate the sale of the Shares as provided in this Underwriting Agreement has or will have been taken by the Fund.

(e) The Fund has full power and authority to enter into each of this Underwriting Agreement, the Investment Advisory Agreement, the Custodian Agreement, the Transfer Agency Agreement, the Auction Agency Agreement, the DTC Agreement and the Dividend Reinvestment Plan (collectively, the "Fund Agreements") and to perform all of the terms

5

and provisions hereof and thereof to be carried out by it and
(i) each Fund Agreement has been duly and validly authorized, executed and delivered by or on behalf of the Fund, (ii) each Fund Agreement does not violate in any material respect any of the applicable provisions of the Investment Company Act or the Investment Advisers Act of 1940, as amended, and the rules and regulations thereunder (collectively called the "Advisers Act"), as the case may be, and (iii) assuming due authorization, execution and delivery by the other parties thereto, each Fund Agreement constitutes the legal, valid and binding obligation of the Fund enforceable in accordance with its terms, (A) subject, as to enforcement, to applicable bankruptcy, insolvency and similar laws affecting creditors' rights generally and to general equitable principles (regardless of whether enforcement is sought in a proceeding in equity or at law) and (B) except as rights to indemnity thereunder may be limited by federal or state securities laws.

(f) None of (i) the execution and delivery by the Fund of the Fund Agreements, (ii) the issue and sale by the Fund of the Shares as contemplated by this Underwriting Agreement and (iii) the performance by the Fund of its obligations under any of the Fund Agreements or consummation by the Fund of the other transactions contemplated by the Fund Agreements conflicts with or will conflict with, or results or will result in a breach of, the Declaration of Trust of the Fund, as amended through the date hereof, or the Amended and Restated By-laws of the Fund, adopted in connection with the issuance of the Shares and as amended through the date hereof (the "Amended Bylaws") or any agreement or instrument to which the Fund is a party or by which the Fund is bound, or any law, rule or regulation, or order of any court, governmental instrumentality, securities exchange or association or arbitrator, whether foreign or domestic, applicable to the Fund, other than state securities or "blue sky" laws applicable in connection with the purchase and distribution of the Shares by the Underwriters pursuant to this Underwriting Agreement.

(g) The Fund is not currently in breach of, or in default under, any written agreement or instrument to which it is a party or by which it or its property is bound or affected.

(h) No person has any right to the registration of any securities of the Fund because of the filing of the registration statement.

(i) No consent, approval, authorization or order of any court or governmental agency or body or securities exchange or association, whether foreign or domestic, is required by the Fund for the consummation by the Fund of the transactions to be performed by the Fund or the performance by the Fund of all the terms and provisions to be performed by or on behalf of it in each case as contemplated in the Fund Agreements, except such as (i)

6

have been obtained under the Securities Act, the Investment Company Act, or the Advisers Act, and (ii) may be required by the New York Stock Exchange or under state securities or "blue sky" laws, in connection with the purchase and distribution of the Shares by the Underwriters pursuant to this Underwriting Agreement.

(j) The Common Shares are listed on the New York Stock Exchange.

(k) Deloitte & Touche LLP, whose report appears in the Prospectus, are independent public accountants with respect to the Fund as required by the Securities Act and the Investment Company Act.

(l) The statement of assets and liabilities included in the Registration Statement and the Prospectus presents fairly in all material respects, in accordance with generally accepted accounting principles in the United States applied on a consistent basis, the financial position of the Fund as of the date indicated.

(m) The Fund will maintain a system of internal accounting controls sufficient to provide reasonable assurances that (i) transactions are executed in accordance with management's general or specific authorization; (ii) transactions are recorded as necessary to permit preparation of financial statements in conformity with generally accepted accounting principles and to maintain accountability for assets; (iii) access to assets is permitted only in accordance with management's general or specific authorization; and (iv) the recorded accountability for assets is compared with existing assets through an asset reconciliation procedure or otherwise at reasonable intervals and appropriate action is taken with respect to any differences.

(n) Since the date as of which information is given in the Registration Statement and the Prospectus, except as otherwise stated therein, (i) there has been no material adverse change in the condition, financial or otherwise, business affairs or business of the Fund, whether or not arising in the ordinary course of business, (ii) there have been no transactions entered into by the Fund other than those in the ordinary course of its business and (iii) there has been no dividend or distribution of any kind declared, paid or made on any class of its capital shares.

(o) There is no action, suit or proceeding before or by any court, commission, regulatory body, administrative agency or other governmental agency or body, foreign or domestic, now pending, or, to the knowledge of the Fund, threatened against or affecting the Fund, which (i) might result in any material adverse change in the condition, financial or otherwise, business affairs or business prospects of the Fund or might materially adversely affect the properties or assets of the Fund or (ii) is of a character required to be described in the Registration Statement or the Prospectus; and there are no contracts, franchises or other documents that are of a character

7

required to be described in, or that are required to be filed as exhibits to, the Registration Statement that have not been described or filed as required.

(p) The Shares have been, or prior to the Closing Date will be, assigned a rating of "AAA" by Fitch and "Aaa" by Moody's.

(q) The Fund intends to direct the investment of the proceeds of the offering of the Shares in such a manner as to comply with the requirements of Subchapter M of the Internal Revenue Code of 1986, as amended (the "Code").

(r) To the knowledge of the Fund after due inquiry, no advertising, sales literature or other promotional materials (excluding road show slides or road show tapes) were authorized or prepared by or on behalf of the Fund or the Investment Adviser or any representative thereof for use in connection with the public offering or sale of the Shares (collectively, the "sales materials"); any sales materials and any road show slides or road show tapes complied and comply in all material respects with the applicable requirements of the Securities Act and the rules and interpretations of the National Association of Securities Dealers, Inc.; and no broker kits, road show slides, road show tapes or sales materials authorized or prepared by the Fund or authorized or prepared on behalf of the Fund by the Investment Adviser or any representative thereof for use in connection with the public offering or sale of the Shares contained or contains any untrue statement of a material fact or omitted or omits to state any material fact required to be stated therein or necessary in order to make the statements therein not misleading.

4. REPRESENTATIONS AND WARRANTIES OF THE INVESTMENT ADVISER. The Investment Adviser represents to each Underwriter as follows:

(a) The Investment Adviser has been duly formed, is validly existing as a business trust under the laws of The Commonwealth of Massachusetts with full power and authority to conduct all of the activities conducted by it, to own or lease all of the assets owned or leased by it and to conduct its business as described in the Registration Statement and Prospectus, and the Investment Adviser is duly licensed and qualified to do business and in good standing in each jurisdiction in which it is required to be so qualified, except to the extent that failure to be so qualified or be in good standing would not have a material adverse affect on the Investment Adviser's ability to provide services to the Fund; and the Investment Adviser owns, possesses or has obtained and currently maintains all governmental licenses, permits, consents, orders, approvals and other authorizations, whether foreign or domestic, necessary to carry on its business as contemplated in the Registration Statement and the Prospectus.

8

(b) The Investment Adviser is (i) duly registered as an investment adviser under the Advisers Act and (ii) not prohibited by the Advisers Act or the Investment Company Act from acting as the investment adviser for the Fund as contemplated by the Investment Advisory Agreement, the Registration Statement and the Prospectus.

(c) The Investment Adviser has full power and authority to enter into each of this Underwriting Agreement, the Investment Advisory Agreement, the Administration Agreement, and the Shareholder Servicing Agreement (collectively, the "Investment Adviser Agreements") and to carry out all the terms and provisions hereof and thereof to be carried out by it; and each Investment Adviser Agreement has been duly and validly authorized, executed and delivered by the Investment Adviser; none of the Investment Adviser Agreements violate in any material respect any of the applicable provisions of the Investment Company Act or the Advisers Act; and assuming due authorization, execution and delivery by the other parties thereto, each Investment Adviser Agreement constitutes a legal, valid and binding obligation of the Investment Adviser, enforceable in accordance with its terms, (i) subject, as to enforcement, to applicable bankruptcy, insolvency and similar laws affecting creditors' rights generally and to general equitable principles (regardless of whether enforcement is sought in a proceeding in equity or at law) and (ii) except as rights to indemnity thereunder may be limited by federal or state securities laws.

(d) Neither (i) the execution and delivery by the Investment Adviser of any Investment Adviser Agreement nor (ii) the consummation by the Investment Adviser of the transactions contemplated by, or the performance of its obligations under any Investment Adviser Agreement conflicts or will conflict with, or results or will result in a breach of, the Declaration of Trust or By-Laws of the Investment Adviser or any agreement or instrument to which the Investment Adviser is a party or by which the Investment Adviser is bound, or any law, rule or regulation, or order of any court, governmental instrumentality, securities exchange or association or arbitrator, whether foreign or domestic, applicable to the Investment Adviser.

(e) No consent, approval, authorization or order of any court, governmental agency or body or securities exchange or association, whether foreign or domestic, is required for the consummation of the transactions contemplated in, or the performance by the Investment Adviser of its obligations under, any Investment Adviser Agreement, as the case may be, except such as (i) have been obtained under the Act, the Investment Company Act, or the Advisers Act, and (ii) may be required by the New York Stock Exchange or under state securities or "blue sky" laws, in connection with the purchase and distribution of the Shares by the Underwriters pursuant to this Underwriting Agreement.

9

(f) The description of the Investment Adviser and its business and the statements attributable to the Investment Adviser in the Registration Statement and the Prospectus comply with the requirements of the Act and the Investment Company Act and do not contain any untrue statement of a material fact or omit to state any material fact required to be stated therein or necessary in order to make the statements therein not misleading.

(g) There is no action, suit or proceeding before or by any court, commission, regulatory body, administrative agency or other governmental agency or body, foreign or domestic, now pending or, to the knowledge of the Investment Adviser, threatened against or affecting the Investment Adviser of a nature required to be disclosed in the Registration Statement or Prospectus or that might reasonably be expected to result in any material adverse change in the condition, financial or otherwise, business affairs or business prospects of the Investment Adviser or the ability of the Investment Adviser to fulfill its respective obligations under any Investment Adviser Agreement.

(h) In the event that the Fund or the Investment Adviser makes available any promotional materials (other than the sales materials) intended for use only by qualified broker-dealers and registered representatives thereof by means of an Internet web site or similar electronic means, the Investment Adviser will install and maintain pre-qualification and password-protection or similar procedures which will effectively prohibit access to such promotional materials by persons other than qualified broker-dealers and registered representatives thereof.

5. AGREEMENTS OF THE PARTIES.

(a) If the registration statement relating to the Shares has not yet become effective, the Fund will promptly file a Final Amendment, if not previously filed, with the Commission, and will use its best efforts to cause such registration statement to become effective and, as soon as the Fund is advised, will advise the Managing Representative when the Registration Statement or any amendment thereto has become effective. If the Registration Statement has become effective and the Prospectus contained therein omits certain information at the time of effectiveness pursuant to Rule 430A under the Act, the Fund will file a 430A Prospectus pursuant to Rule 497(h) under the Act as promptly as practicable, but no later than the second business day following the earlier of the date of the determination of the offering price of the Shares or the date the Prospectus is first used after the Effective Date. If the Registration Statement has become effective and the Prospectus contained therein does not so omit such information, the Fund will file a Prospectus pursuant to Rule 497(b) or a certification pursuant to Rule 497(j) under the Act as promptly as practicable, but no later than the fifth business day following the date of the later of the Effective Date or the commencement of the public offering

10

of the Shares after the Effective Date. In either case, the Fund will provide the Managing Representative satisfactory evidence of the filing. The Fund will not file with the Commission any Prospectus or any other amendment (except any post-effective amendment which is filed with the Commission after the later of (x) one year from the date of this Underwriting Agreement or (y) the date on which distribution of the Shares is completed) or supplement to the Registration Statement or the Prospectus unless a copy has first been submitted to the Managing Representative a reasonable time before its filing and the Managing Representative has not objected to it in writing within a reasonable time after receiving the copy.

(b) For the period of three years from the date hereof, the Fund will advise the Managing Representative promptly (i) of the issuance by the Commission of any order in respect of the Fund or the Investment Adviser which relates to the Fund, or which relates to any material arrangements or proposed material arrangements involving the Fund or the Investment Adviser,
(ii) of the initiation or threatening of any proceedings for, or receipt by the Fund of any notice with respect to, any suspension of the qualification of the Shares for sale in any jurisdiction or the issuance of any order by the Commission suspending the effectiveness of the Registration Statement,
(iii) of receipt by the Fund, or any representative or attorney of the Fund, of any other communication from the Commission relating in any material way to the Fund, the Registration Statement, the Notification, any Preliminary Prospectus, the Prospectus or to the transactions contemplated by this Underwriting Agreement and (iv) the issuance by any court, regulatory body, administrative agency or other governmental agency or body, whether foreign or domestic, of any order, ruling or decree, or the threat to initiate any proceedings with respect thereto, regarding the Fund, which relates in any material way to the Fund or any material arrangements or proposed material arrangements involving the Fund. The Fund will make every reasonable effort to prevent the issuance of any order suspending the effectiveness of the Registration Statement and, if any such order is issued, to obtain its lifting as soon as possible.

(c) If not delivered prior to the date of this Underwriting Agreement, the Fund will deliver to the Managing Representative, without charge, a signed copy of the Registration Statement and the Notification and of any amendments (except any post-effective amendment which is filed with the Commission after the later of (x) one year from the date of this Underwriting Agreement or (y) the date on which the distribution of the Shares is completed) to either the Registration Statement or the Notification (including all exhibits filed with any such document) and as many conformed copies of the Registration Statement and any amendments thereto (except any post-effective amendment which is filed with the Commission after the later of (x) one year from the date of this

11

Underwriting Agreement or (y) the date on which the distribution of the Shares is completed) (excluding exhibits) as the Managing Representative may reasonably request.

(d) During such period as a prospectus is required by law to be delivered by an underwriter or a dealer, the Fund will deliver, without charge, to the Representatives, the Underwriters and any dealers, at such office or offices as the Representatives may designate, as many copies of the Prospectus as the Representatives may reasonably request, and, if any event occurs during such period as a result of which it is necessary to amend or supplement the Prospectus, in order to make the statements therein, in light of the circumstances under which they were made, not misleading in any material respect, or if during such period it is necessary to amend or supplement the Prospectus to comply with the Act or the Investment Company Act, the Fund promptly will prepare, submit to the Managing Representative, file with the Commission and deliver, without charge, to the Underwriters and to dealers (whose names and addresses the Managing Representative will furnish to the Fund) to whom Shares may have been sold by the Underwriters, and to other dealers on request, amendments or supplements to the Prospectus so that the statements in such Prospectus, as so amended or supplemented, will not, in light of the circumstances under which they were made, be misleading in any material respect and will comply with the Act and the Investment Company Act. Delivery by the Underwriters of any such amendments or supplements to the Prospectus will not constitute a waiver of any of the conditions in Section 6 hereof.

(e) The Fund will make generally available to holders of the Fund's securities, as soon as practicable but in no event later than the last day of the 18th full calendar month following the calendar quarter in which the Effective Date falls, an earnings statement, if applicable, satisfying the provisions of the last paragraph of Section 11(a) of the Act and, at the option of the Fund, Rule 158 under the Securities Act.

(f) The Fund will pay or cause to be paid the following: (i) the fees, disbursements and expenses of the Fund's counsel and accountants in connection with the registration of the Shares and all other expenses in connection with the preparation, printing and filing of the Registration Statement, any Preliminary Prospectus and the Prospectus and amendments and supplements thereto and the mailing and delivering of copies thereof to the Underwriters and dealers; (ii) the cost of printing or reproducing this Underwriting Agreement and any other documents in connection with the offering, purchase, sale and delivery of the Shares (including advertising expenses of the Underwriters, if any); (iii) the cost of preparing share certificates; (iv) the expenses (including, but not limited to, travel, hotels and other accommodations) incurred by the Trust's or the Investment Adviser's directors, officers, employees and other personnel in

12

connection with meetings held with registered brokers in connection with the offering of the Shares, the preparing to market and the marketing of the Shares; (v) any fees charged by securities rating services for rating the Shares; (vi) the fees and expenses of the Depository Trust Company and its nominee, the Custodian and the Auction Agent; and (vii) all other costs and expenses incident to the performance of its obligations hereunder which are not otherwise specifically provided for. It is understood, however, that, except as provided in this Section 5 and Section 8 hereof, the Underwriters will pay all of their own costs and expenses, including the fees of their counsel and stock transfer taxes, if any, on resale of any of the Shares by them, except any advertising expenses connected with any offers they may make.

(g) If the transactions contemplated by this Underwriting Agreement are not consummated, except as otherwise provided herein, no party will be under any liability to any other party, except that (i) if this Underwriting Agreement is terminated by (x) the Fund or the Investment Adviser pursuant to any of the provisions hereof or (y) by the Representatives or the Underwriters because of any inability, failure or refusal on the part of the Fund or the Investment Adviser to comply with any material terms or because any of the conditions in Section 6 are not satisfied, the Investment Adviser or an affiliate and the Fund, jointly and severally, will reimburse the Underwriters for all out-of-pocket expenses (including the reasonable fees, disbursements and other charges of their counsel) reasonably incurred by them in connection with the proposed purchase and sale of the Shares and (ii) no Underwriter who has failed or refused to purchase the Shares agreed to be purchased by it under this Underwriting Agreement, in breach of its obligations pursuant to this Underwriting Agreement, will be relieved of liability to the Fund, the Investment Adviser and the other Underwriters for damages occasioned by its default.

(h) Without the prior written consent of the Managing Representative, the Fund will not offer, sell or register with the Commission, or announce an offering of, any equity securities of the Fund, within 180 days after the Effective Date, except for the Shares as described in the Prospectus and any issuances of Common Shares pursuant to the Dividend Reinvestment Plan.

(i) The Fund will direct the investment of the net proceeds of the offering of the Shares in such a manner as to comply with the investment objective and policies of the Fund as described in the Prospectus.

(j) No later than the Closing Date, the Underwriters will provide, and will cause any selling group member to whom they have sold Shares to provide, the Auction Agent with a list of the record names of the persons to whom they have sold Shares, the number of Shares sold to each such person, and the number of Shares they are holding as of the Closing Date;

13

provided that in lieu of thereof, an Underwriter may provide the Auction Agent with a list indicating itself as the sole holder of all the Shares sold by such Underwriter.

6. CONDITIONS OF THE UNDERWRITERS' OBLIGATIONS. The obligations of the Underwriters to purchase the Shares are subject to the accuracy on the date of this Underwriting Agreement, and on the Closing Date, of the representations of the Fund and the Investment Adviser in this Underwriting Agreement, to the accuracy and completeness of all material statements made by the Fund or the Investment Adviser or any of their respective officers in any certificate delivered to the Managing Representative or its counsel pursuant to this Underwriting Agreement, to performance by the Fund and the Investment Adviser of their respective obligations under this Underwriting Agreement and to each of the following additional conditions:

(a) The Registration Statement must have become effective by 5:30
p.m., New York City time, on the date of this Underwriting Agreement or such later date and time as the Managing Representative consents to in writing. The Prospectus must have been filed in accordance with Rule 497(b) or (h) or a certificate must have been filed in accordance with Rule
497(j), as the case may be, under the Securities Act.

(b) No order suspending the effectiveness of the Registration Statement may be in effect and no proceedings for such purpose may be pending before or, to the knowledge of counsel to the Underwriters, threatened by the Commission, and any requests for additional information on the part of the Commission (to be included in the Registration Statement or the Prospectus or otherwise) must be complied with or waived to the reasonable satisfaction of the Managing Representative.

(c) Since the dates as of which information is given in the Registration Statement and the Prospectus, (i) there must not have been any material change in the Common Shares, the Shares or the liabilities of the Fund except as set forth in or contemplated by the Prospectus; (ii) there must not have been any material adverse change in the general affairs, prospects, management, business, financial condition or results of operations of the Fund or the Investment Adviser whether or not arising from transactions in the ordinary course of business as set forth in or contemplated by the Prospectus which in the opinion of the Managing Representative would materially adversely affect the market for the Shares; (iii) the Fund must not have sustained any material loss or interference with its business from any court or from legislative or other governmental action, order or decree, whether foreign or domestic, or from any other occurrence not described in the Registration Statement and Prospectus; and
(iv) there must not have occurred any event that makes untrue or incorrect in any material respect any statement or information contained in the Registration Statement or Prospectus or that is not

14

reflected in the Registration Statement or Prospectus but should be reflected therein in order to make the statements or information therein (in the case of the Prospectus, in light of the circumstances in which they were made) not misleading in any material respect; if, in the judgment of the Managing Representative, any such development referred to in clause
(i), (ii), (iii), or (iv) of this paragraph (c) makes it impracticable or inadvisable to consummate the sale and delivery of the Shares pursuant to this Underwriting Agreement by the Underwriters, at the initial public offering price of the Shares.

(d) The Managing Representative must have received on the Closing Date a certificate, dated such date, of the President or a Vice-President and the chief financial or accounting officer of each of the Fund and the Investment Adviser certifying that
(i) the signers have carefully examined the Registration Statement, the Prospectus, and this Underwriting Agreement,
(ii) the representations of the Fund (with respect to the certificates from such Fund officers) and the representations of the Investment Adviser (with respect to the certificates from such officers of the Investment Adviser) in this Underwriting Agreement are accurate on and as of the date of the certificate, (iii) there has not been any material adverse change in the general affairs, prospects, management, business, financial condition or results of operations of the Fund (with respect to the certificates from such Fund officers) or the Investment Adviser (with respect to the certificates from such officers of the Investment Adviser), which change would materially and adversely affect the ability of the Fund or the Investment Adviser, as the case may be, to fulfill its obligations under this Underwriting Agreement or the Investment Advisory Agreement, whether or not arising from transactions in the ordinary course of business, (iv) with respect to the Fund only, to the knowledge of such officers after reasonable investigation, no order suspending the effectiveness of the Registration Statement, prohibiting the sale of any of the Shares or otherwise having a material adverse effect on the Fund has been issued and no proceedings for any such purpose are pending before or threatened by the Commission or any other regulatory body, whether foreign or domestic, (v) to the knowledge of the officers of the Investment Adviser, after reasonable investigation, no order having a material adverse effect on the ability of the Investment Adviser to fulfill its obligations under this Underwriting Agreement or the Investment Advisory Agreement, as the case may be, has been issued and no proceedings for any such purpose are pending before or threatened by the Commission or any other regulatory body, whether foreign or domestic, and (vi) each of the Fund (with respect to the certificates from such Fund officers) and the Investment Adviser (with respect to the certificates from such officers of the Investment Adviser) has performed all of its respective agreements that this Underwriting Agreement requires it to perform by such Closing Date (to the extent not waived in writing by the Managing Representative).

15

(e) The Managing Representative must have received on the Closing Date the opinions dated such Closing Date substantially in the form of Schedules B and C to this Underwriting Agreement from the counsel identified in each such Schedules.

(f) The Managing Representative must have received on the Closing Date from Skadden, Arps, Slate, Meagher & Flom LLP and its affiliated entities an opinion dated such Closing Date with respect to the Fund, the Shares, the Registration Statement and the Prospectus, this Underwriting Agreement and the form and sufficiency of all proceedings taken in connection with the sale and delivery of the Shares. Such opinion and proceedings shall fulfill the requirements of this Section 6(f) only if such opinion and proceedings are satisfactory in all respects to the Managing Representative. The Fund and the Investment Adviser must have furnished to such counsel such documents as counsel may reasonably request for the purpose of enabling them to render such opinion.

(g) The Managing Representative must have received on the date this Underwriting Agreement is signed and delivered by you a signed letter, dated such date, substantially in the form of Schedule D to this Underwriting Agreement from the firm of accountants designated in such Schedule. The Managing Representative also must have received on each Closing Date a signed letter from such accountants, dated as of such Closing Date, confirming on the basis of a review in accordance with the procedures set forth in their earlier letter that nothing has come to their attention during the period from a date not more than five business days before the date of this Underwriting Agreement, specified in the letter, to a date not more than five business days before such Closing Date, that would require any change in their letter referred to in the foregoing sentence.

(h) The Shares shall have been accorded a rating of "AAA" by Fitch and "Aaa" by Moody's, and a letter to such effect, dated on or before the Closing Date, shall have been delivered to the Managing Representative.

(i) As of the Closing Date, and assuming the receipt of the net proceeds from the sale of the Shares, the 1940 Act APS Asset Coverage and the APS Basic Maintenance Amount (each as defined in the Prospectus) each will be met.

All opinions, letters, evidence and certificates mentioned above or elsewhere in this Underwriting Agreement will comply only if they are in form and scope reasonably satisfactory to counsel for the Underwriters, provided that any such documents, forms of which are annexed hereto, shall be deemed satisfactory to such counsel if substantially in such form.

16

7. TERMINATION. This Underwriting Agreement may be terminated by the Managing Representative by notifying the Fund at any time:

(a) before the later of the effectiveness of the Registration Statement and the time when any of the Shares are first generally offered pursuant to this Underwriting Agreement by the Managing Representative to dealers by letter or telegram;

(b) at or before the Closing Date if, in the sole judgment of the Managing Representative, payment for and delivery of the Shares is rendered impracticable or inadvisable because (i) trading in the equity securities of the Fund is suspended by the Commission or by the principal exchange that lists the Common Shares, (ii) trading in securities generally on the New York Stock Exchange or the Nasdaq Stock Market shall have been suspended or limited or minimum or maximum prices shall have been generally established on such exchange or over-the-counter market, (iii) additional material governmental restrictions, not in force on the date of this Underwriting Agreement, have been imposed upon trading in securities or trading has been suspended on any U.S. securities exchange, (iv) a general banking moratorium has been established by U.S. federal or New York authorities or
(v) any material adverse change in the financial or securities markets in the United States or in political, financial or economic conditions in the United States or any outbreak or material escalation of hostilities or declaration by the United States of a national emergency or war or other calamity or crisis shall have occurred the effect of any of which is such as to make it, in the sole judgment of the Managing Representative, impracticable or inadvisable to market the Shares on the terms and in the manner contemplated by the Prospectus; or

(c) at or before the Closing Date, if any of the conditions specified in Section 6 have not been fulfilled when and as required by this Underwriting Agreement.

8. SUBSTITUTION OF UNDERWRITERS. If one or more of the Underwriters fails (other than for a reason sufficient to justify the termination of this Underwriting Agreement) to purchase on the Closing Date the Shares agreed to be purchased on the Closing Date by such Underwriter or Underwriters, the Managing Representative may find one or more substitute underwriters to purchase such Shares or make such other arrangements as the Managing Representative deems advisable, or one or more of the remaining Underwriters may agree to purchase such Shares in such proportions as may be approved by the Managing Representative, in each case upon the terms set forth in this Underwriting Agreement. If no such arrangements have been made within 36 hours after the Closing Date, and

(a) the number of Shares to be purchased by the defaulting Underwriters on the Closing Date does not exceed 10% of the Shares that the Underwriters

17

are obligated to purchase on the Closing Date, each of the nondefaulting Underwriters will be obligated to purchase such Shares on the terms set forth in this Underwriting Agreement in proportion to their respective obligations under this Underwriting Agreement, or

(b) the number of Shares to be purchased by the defaulting Underwriters on the Closing Date exceeds 10% of the Shares to be purchased by all the Underwriters on such Closing Date, the Fund will be entitled to an additional period of 24 hours within which to find one or more substitute underwriters reasonably satisfactory to the Managing Representative to purchase such Shares on the terms set forth in this Underwriting Agreement.

Upon the occurrence of the circumstances described in the foregoing paragraph (b), either the Managing Representative or the Fund will have the right to postpone the Closing Date for not more than five business days in order that necessary changes and arrangements (including any necessary amendments or supplements to the Registration Statement or the Prospectus) may be effected by the Managing Representative and the Fund. If the number of Shares to be purchased on the Closing Date by such defaulting Underwriter or Underwriters exceeds 10% of the Shares that the Underwriters are obligated to purchase on the Closing Date, and none of the nondefaulting Underwriters or the Fund makes arrangements pursuant to this Section within the period stated for the purchase of the Shares that the defaulting Underwriters agreed to purchase, this Underwriting Agreement will terminate without liability on the part of any nondefaulting Underwriter, the Fund, or the Investment Adviser, except as provided in Sections 5(g) and 9 hereof. Any action taken under this Section will not affect the liability of any defaulting Underwriter to the Fund or the Investment Adviser or to any nondefaulting Underwriters arising out of such default. A substitute underwriter will become an Underwriter for all purposes of this Underwriting Agreement.

9. INDEMNITY AND CONTRIBUTION.

(a) Each of the Fund and the Investment Adviser, jointly and severally, agrees to indemnify, defend and hold harmless each Underwriter, its partners, directors and officers, and any person who controls any Underwriter within the meaning of
Section 15 of the Securities Act or Section 20 of the Exchange Act, and their successors and assigns of all of the foregoing persons from and against any loss, damage, expense, liability or claim (including the reasonable cost of investigation) which, jointly or severally, any such Underwriter or any such person may incur under the Securities Act, the Exchange Act, the Investment Company Act, the Advisers Act, the common law or otherwise, insofar as such loss, damage, expense, liability or claim arises out of or is based upon any untrue statement or alleged untrue statement of a material fact contained in the Registration Statement (or in the Registration Statement as amended by any post-effective amendment thereof by the Fund) or in a Prospectus (the term

18

"Prospectus" for the purpose of this Section 9 being deemed to include any Preliminary Prospectus, the sales materials, the Prospectus and the Prospectus as amended or supplemented by the Fund), or arises out of or is based upon any omission or alleged omission to state a material fact required to be stated in either such Registration Statement or Prospectus or necessary to make the statements made therein (with respect to the Prospectus, in light of the circumstances under which they were made) not misleading, except insofar as any such loss, damage, expense, liability or claim arises out of or is based upon any untrue statement or alleged untrue statement of a material fact contained in and in conformity with information furnished in writing by or on behalf of any Underwriter to the Fund or the Investment Adviser expressly for use with reference to any Underwriter in such Registration Statement or such Prospectus or arises out of or is based upon any omission or alleged omission to state a material fact in connection with such information required to be stated in such Registration Statement or such Prospectus or necessary to make such information (with respect to the Prospectus, in light of the circumstances under which they were made) not misleading, provided, however, that the indemnity agreement contained in this subsection (a) with respect to any Preliminary Prospectus or amended Preliminary Prospectus shall not inure to the benefit of any Underwriter (or to the benefit of any person controlling such Underwriter) from whom the person asserting any such loss, damage, expense, liability or claim purchased the Shares which is the subject thereof if the Prospectus corrected any such alleged untrue statement or omission and if such Underwriter failed to send or give a copy of the Prospectus to such person at or prior to the written confirmation of the sale of such Shares to such person, unless the failure is the result of noncompliance by the Fund with
Section 5(d) hereof.

If any action, suit or proceeding (together, a "Proceeding") is brought against an Underwriter or any such person in respect of which indemnity may be sought against the Fund or the Investment Adviser pursuant to the foregoing paragraph, such Underwriter or such person shall promptly notify the Fund and the Investment Adviser in writing of the institution of such Proceeding and the Fund or the Investment Adviser shall assume the defense of such Proceeding, including the employment of counsel reasonably satisfactory to such indemnified party and payment of all fees and expenses; provided, however, that the omission to so notify the Fund or the Investment Adviser shall not relieve the Fund or the Investment Adviser from any liability which the Fund or the Investment Adviser may have to any Underwriter or any such person or otherwise. Such Underwriter or such person shall have the right to employ its or their own counsel in any such case, but the reasonable fees and expenses of such counsel shall be at the expense of such Underwriter or of such person unless the employment of such counsel shall have been authorized in writing by the Fund or the Investment Adviser, as the case may be, in connection with the defense of such Proceeding or the Fund or the

19

Investment Adviser shall not have, within a reasonable period of time in light of the circumstances, employed counsel to have charge of the defense of such Proceeding or such indemnified party or parties shall have reasonably concluded that there may be defenses available to it or them which are different from, additional to or in conflict with those available to the Fund or the Investment Adviser (in which case the Fund or the Investment Adviser shall not have the right to direct the defense of such Proceeding on behalf of the indemnified party or parties), in any of which events such reasonable fees and expenses shall be borne by the Fund or the Investment Adviser and paid as incurred (it being understood, however, that the Fund or the Investment Adviser shall not be liable for the expenses of more than one separate counsel (in addition to any local counsel) in any one Proceeding or series of related Proceedings in the same jurisdiction representing the indemnified parties who are parties to such Proceeding). Neither the Fund nor the Investment Adviser shall be liable for any settlement of any Proceeding effected without its written consent but if settled with the written consent of the Fund or the Investment Adviser, the Fund or the Investment Adviser, as the case may be, agrees to indemnify and hold harmless any Underwriter and any such person from and against any loss or liability by reason of such settlement. Notwithstanding the foregoing sentence, if at any time an indemnified party shall have requested an indemnifying party to reimburse the indemnified party for reasonable fees and expenses of counsel as contemplated by the second sentence of this paragraph, then the indemnifying party agrees that it shall be liable for any settlement of any Proceeding effected without its written consent if (i) such settlement is entered into more than 60 business days after receipt by such indemnifying party of the aforesaid request, (ii) such indemnifying party shall not have reimbursed the indemnified party in accordance with such request prior to the date of such settlement and (iii) such indemnified party shall have given the indemnifying party at least 30 days' prior notice of its intention to settle. No indemnifying party shall, without the prior written consent of the indemnified party, effect any settlement of any pending or threatened Proceeding in respect of which any indemnified party is or could have been a party and indemnity could have been sought hereunder by such indemnified party, unless such settlement includes an unconditional release of such indemnified party from all liability on claims that are the subject matter of such Proceeding and does not include an admission of fault, culpability or a failure to act, by or on behalf of such indemnified party.

(b) Each Underwriter severally agrees to indemnify, defend and hold harmless the Fund and the Investment Adviser, and each of their respective shareholders, partners, managers, members, trustees, directors and officers, and any person who controls the Fund or the Investment Adviser within the meaning of
Section 15 of the Securities Act or Section 20 of the Exchange Act, and the successors and assigns of all of the foregoing

20

persons from and against any loss, damage, expense, liability or claim (including the reasonable cost of investigation) which, jointly or severally, the Fund or the Investment Adviser or any such person may incur under the Securities Act, the Exchange Act, the Investment Company Act, the Advisers Act, the common law or otherwise, insofar as such loss, damage, expense, liability or claim arises out of or is based upon any untrue statement or alleged untrue statement of a material fact contained in and in conformity with information furnished in writing by or on behalf of such Underwriter to the Fund or the Investment Adviser expressly for use with reference to such Underwriter in the Registration Statement (or in the Registration Statement as amended by any post-effective amendment thereof by the Fund) or in a Prospectus, or arises out of or is based upon any omission or alleged omission to state a material fact in connection with such information required to be stated in such Registration Statement or such Prospectus or necessary to make such information not misleading (with respect to the Prospectus, in light of the circumstances under which they were made).

If any Proceeding is brought against the Fund, the Investment Adviser or any such person in respect of which indemnity may be sought against any Underwriter pursuant to the foregoing paragraph, the Fund, the Investment Adviser or such person shall promptly notify such Underwriter in writing of the institution of such Proceeding and such Underwriter shall assume the defense of such Proceeding, including the employment of counsel reasonably satisfactory to such indemnified party and payment of all fees and expenses; provided, however, that the omission to so notify such Underwriter shall not relieve such Underwriter from any liability which such Underwriter may have to the Fund, the Investment Adviser or any such person or otherwise. The Fund, the Investment Adviser or such person shall have the right to employ its own counsel in any such case, but the fees and expenses of such counsel shall be at the expense of the Fund, the Investment Adviser or such person, as the case may be, unless the employment of such counsel shall have been authorized in writing by such Underwriter in connection with the defense of such Proceeding or such Underwriter shall not have, within a reasonable period of time in light of the circumstances, employed counsel to have charge of the defense of such Proceeding or such indemnified party or parties shall have reasonably concluded that there may be defenses available to it or them which are different from or additional to or in conflict with those available to such Underwriter (in which case such Underwriter shall not have the right to direct the defense of such Proceeding on behalf of the indemnified party or parties, but such Underwriter may employ counsel and participate in the defense thereof but the fees and expenses of such counsel shall be at the expense of such Underwriter), in any of which events such fees and expenses shall be borne by such Underwriter and paid as incurred (it being understood, however, that such Underwriter shall not be liable for the expenses of more than one separate counsel (in addition to any local

21

counsel) in any one Proceeding or series of related Proceedings in the same jurisdiction representing the indemnified parties who are parties to such Proceeding). No Underwriter shall be liable for any settlement of any such Proceeding effected without the written consent of such Underwriter but if settled with the written consent of such Underwriter, such Underwriter agrees to indemnify and hold harmless the Fund, the Investment Adviser and any such person from and against any loss or liability by reason of such settlement. Notwithstanding the foregoing sentence, if at any time an indemnified party shall have requested an indemnifying party to reimburse the indemnified party for fees and expenses of counsel as contemplated by the second sentence of this paragraph, then the indemnifying party agrees that it shall be liable for any settlement of any Proceeding effected without its written consent if (i) such settlement is entered into more than 60 business days after receipt by such indemnifying party of the aforesaid request, (ii) such indemnifying party shall not have reimbursed the indemnified party in accordance with such request prior to the date of such settlement and
(iii) such indemnified party shall have given the indemnifying party at least 30 days' prior notice of its intention to settle. No indemnifying party shall, without the prior written consent of the indemnified party, effect any settlement of any pending or threatened Proceeding in respect of which any indemnified party is or could have been a party and indemnity could have been sought hereunder by such indemnified party, unless such settlement includes an unconditional release of such indemnified party from all liability on claims that are the subject matter of such Proceeding and does not include an admission of fault, culpability or a failure to act, by or on behalf of such indemnified party.

(c) If the indemnification provided for in this Section 9 is unavailable to an indemnified party under subsections (a) and
(b) of this Section 9 in respect of any losses, damages, expenses, liabilities or claims referred to therein, then each applicable indemnifying party, in lieu of indemnifying such indemnified party, shall contribute to the amount paid or payable by such indemnified party as a result of such losses, damages, expenses, liabilities or claims (i) in such proportion as is appropriate to reflect the relative benefits received by the Fund and the Investment Adviser on the one hand and the Underwriters on the other hand from the offering of the Shares or (ii) if the allocation provided by clause (i) above is not permitted by applicable law, in such proportion as is appropriate to reflect not only the relative benefits referred to in clause (i) above but also the relative fault of the Fund and the Investment Adviser on the one hand and of the Underwriters on the other in connection with the statements or omissions which resulted in such losses, damages, expenses, liabilities or claims, as well as any other relevant equitable considerations. The relative benefits received by the Fund and the Investment Adviser on the one hand and the Underwriters on the other shall be deemed to be in the same respective proportions as the total proceeds from the offering (net of underwriting

22

discounts and commissions but before deducting expenses) received by the Fund and the total underwriting discounts and commissions received by the Underwriters, bear to the aggregate public offering price of the Shares. The relative fault of the Fund and the Investment Adviser on the one hand and of the Underwriters on the other shall be determined by reference to, among other things, whether the untrue statement or alleged untrue statement of a material fact or omission or alleged omission relates to information supplied by the Fund or the Investment Adviser or by the Underwriters and the parties' relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission. The amount paid or payable by a party as a result of the losses, damages, expenses, liabilities and claims referred to in this subsection shall be deemed to include any legal or other fees or expenses reasonably incurred by such party in connection with investigating, preparing to defend or defending any Proceeding.

(d) The Fund, the Investment Adviser and the Underwriters agree that it would not be just and equitable if contribution pursuant to this Section 9 were determined by pro rata allocation (even if the Underwriters were treated as one entity for such purpose) or by any other method of allocation that does not take account of the equitable considerations referred to in subsection (c) above. Notwithstanding the provisions of this Section 9, no Underwriter shall be required to contribute any amount in excess of the fees and commissions received by such Underwriter. No person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Act) shall be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation. The Underwriters' obligations to contribute pursuant to this
Section 9 are several in proportion to their respective underwriting commitments and not joint.

(e) The indemnity and contribution agreements contained in this
Section 9 and the covenants, warranties and representations of the Fund contained in this Agreement shall remain in full force and effect regardless of any investigation made by or on behalf of any Underwriter, its partners, directors or officers or any person (including each partner, officer or director of such person) who controls any Underwriter within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act, or by or on behalf of the Fund or the Investment Adviser, its shareholders, partners, Advisers, members, trustees, directors or officers or any person who controls the Fund or the Investment Adviser within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act, and shall survive any termination of this Agreement or the issuance and delivery of the Shares. The Fund and the Investment Adviser and each Underwriter agree promptly to notify each other of the commencement of any Proceeding against it and, in the case of the Fund or the Investment Adviser, against any of the Fund's or the Investment Adviser's

23

shareholders, partners, managers, members, trustees, directors or officers in connection with the issuance and sale of the Shares, or in connection with the Registration Statement or Prospectus.

(f) The Fund and the Investment Adviser each acknowledge that the statements with respect to (1) the public offering of the Shares as set forth on the cover page of and (2) stabilization and selling concessions and reallowances of selling concessions and payment of fees to Underwriters that meet certain minimum sales thresholds under the caption "Underwriting" in the Prospectus constitute the only information furnished in writing to the Fund by the Underwriters expressly for use in such document. The Underwriters severally confirm that these statements are correct in all material respects and were so furnished by or on behalf of the Underwriters severally for use in the Prospectus.

(g) Notwithstanding any other provisions in this Section 9, no party shall be entitled to indemnification or contribution under this Underwriting Agreement against any loss, claim, liability, expense or damage arising by reason of such person's willful misfeasance, bad faith, gross negligence or reckless disregard of its duties in the performance of its duties hereunder.

10. NOTICES. Except as otherwise herein provided, all statements, requests, notices and agreements shall be in writing or by telegram and, if to the Underwriters, shall be sufficient in all respects if delivered or sent to UBS Securities LLC, 299 Park Avenue, New York, NY 10171-0026, Attention: Syndicate Department and, if to the Fund or the Investment Adviser, shall be sufficient in all respects if delivered or sent to the Fund or the Investment Adviser, as the case may be, at the offices of the Fund or the Investment Adviser at Eaton Vance Management, 255 State Street, Boston, MA 02109.

11. GOVERNING LAW; CONSTRUCTION. This Agreement and any claim, counterclaim or dispute of any kind or nature whatsoever arising out of or in any way relating to this Agreement ("Claim"), directly or indirectly, shall be governed by, and construed in accordance with, the laws of the State of New York. The Section headings in this Agreement have been inserted as a matter of convenience of reference and are not a part of this Agreement.

12. SUBMISSION TO JURISDICTION. Except as set forth below, no Claim may be commenced, prosecuted or continued in any court other than the courts of the State of New York located in the City and County of New York or in the United States District Court for the Southern District of New York, which courts shall have jurisdiction over the adjudication of such matters, and the Fund and UBS Securities each consent to the jurisdiction of such courts and personal service with respect thereto. The Fund and UBS Securities hereby consent to personal jurisdiction, service and venue in any court in which any Claim arising out of or in any way relating to this Agreement is brought by any third party against UBS Securities or any indemnified party. Each of UBS Securities, the Fund (on its

24

behalf and, to the extent permitted by applicable law, on behalf of its stockholders and affiliates) and the Investment Adviser (on its behalf and, to the extent permitted by applicable law, on behalf of its unitholders and affiliates) waives all right to trial by jury in any action, proceeding or counterclaim (whether based upon contract, tort or otherwise) in any way arising out of or relating to this Agreement. Each of the Fund and the Investment Adviser agrees that a final judgment in any such action, proceeding or counterclaim brought in any such court shall be conclusive and binding upon the Fund and the Investment Adviser, as the case may be, and may be enforced in any other courts in the jurisdiction of which the Fund or the Investment Adviser, as the case may be, is or may be subject, by suit upon such judgment.

13. PARTIES AT INTEREST. The Agreement herein set forth has been and is made solely for the benefit of the Underwriters, the Fund and the Investment Adviser and to the extent provided in Section 9 hereof the controlling persons, shareholders, partners, members, trustees, managers, directors and officers referred to in such section, and their respective successors, assigns, heirs, personal representatives and executors and administrators. No other person, partnership, association or corporation (including a purchaser, as such purchaser, from any of the Underwriters) shall acquire or have any right under or by virtue of this Agreement.

14. COUNTERPARTS. This Agreement may be signed by the parties in one or more counterparts which together shall constitute one and the same agreement among the parties.

15. SUCCESSORS AND ASSIGNS. This Agreement shall be binding upon the Underwriters, the Fund and the Investment Adviser, and any successor or assign of any substantial portion of the Fund's, the Investment Adviser's, or any of the Underwriters' respective businesses and/or assets.

16. DISCLAIMER OF LIABILITY OF TRUSTEES AND BENEFICIARIES. A copy of the Agreement and Declaration of Trust of the Fund and Eaton Vance is on file with the Secretary of State of The Commonwealth of Massachusetts, and notice hereby is given that this Underwriting Agreement is executed on behalf of the Fund and Eaton Vance, respectively, by an officer or Trustee of the Fund or Eaton Vance, as the case may be, in his or her capacity as an officer or Trustee of the Fund and not individually and that the obligations under or arising out of this Underwriting Agreement are not binding upon any of the Trustees, officers or shareholders individually but are binding only upon the assets and properties of the Fund or Eaton Vance, as the case may be.

25

If the foregoing correctly sets forth the understanding among the Fund, the Investment Adviser and the Underwriters, please so indicate in the space provided below, whereupon this letter and your acceptance shall constitute a binding agreement among the Fund, the Investment Adviser and the Underwriters, severally.

Very truly yours,

EATON VANCE SENIOR FLOATING-
RATE TRUST


By:


Title:

EATON VANCE MANAGEMENT


By:


Title:

26

Accepted and agreed to as of the
date first above written, on behalf of
themselves and the other several
Underwriters named in Schedule A

UBS SECURITIES LLC
[ ]

By: UBS SECURITIES LLC


By:
Title:


By:
Title:

27

SCHEDULE A

NAME                        SERIES A      SERIES B       SERIES C      SERIES D
----                        --------      --------       --------      --------
UBS Securities LLC

             TOTAL

A-1

SCHEDULE B

FORM OF OPINION OF
KIRKPATRICK & LOCKHART LLP REGARDING THE FUND

1. The Registration Statement and all post-effective amendments, if any, are effective under the Securities Act and no stop order with respect thereto has been issued and no proceeding for that purpose has been instituted or, to the best of our knowledge, is threatened by the Commission. Any filing of the Prospectus or any supplements thereto required under Rule 497 of the Securities Act Rules prior to the date hereof have been made in the manner and within the time required by such rule.

2. The Fund has been duly formed and is validly existing as a Massachusetts business trust under the laws of The Commonwealth of Massachusetts, with full power and authority to conduct all the activities conducted by it, to own or lease all assets owned (or to be owned) or leased (or to be leased) by it and to conduct its business as described in the Registration Statement and Prospectus, and the Fund is duly licensed and qualified to do business and in good standing in each jurisdiction in which its ownership or leasing of property or its conducting of business requires such qualification, and the Fund owns, possesses or has obtained and currently maintains all governmental licenses, permits, consents, orders, approvals and other authorizations, whether foreign or domestic, necessary to carry on its business as contemplated in the Prospectus. The Fund has no subsidiaries.

3. The capitalization of the Fund is as set forth in the Registration Statement and the Prospectus. The Shares of Beneficial Interest of the Fund conform in all respects to the description of them in the Prospectus. All the outstanding Shares of Beneficial Interest have been duly authorized and are validly issued, fully paid and nonassessable. The Shares to be issued and delivered to and paid for by the Underwriters in accordance with the Underwriting Agreement against payment therefor as provided by the Underwriting Agreement have been duly authorized and when issued and delivered to the Underwriters will have been validly issued and will be fully paid and nonassessable (except as described in the Registration Statement). No person is entitled to any preemptive or other similar rights with respect to the Shares.

4. The Fund is duly registered with the Commission under the Investment Company Act as a diversified, closed-end management investment company and all action under the Securities Act, the Investment Company Act, the Securities Act Rules and the Investment Company Act Rules, as the case may be, necessary to make the public offering and consummate the sale of the Shares as provided in the Underwriting Agreement has or will have been taken by the Fund.

5. The Fund has full power and authority to enter into each of the Underwriting Agreement, the Investment Advisory Agreement, the Custodian Agreement, the Transfer Agency Agreement, the Auction Agency Agreement and the

B-1

DTC Agreement (collectively, the "Fund Agreements") and to perform all of the terms and provisions thereof to be carried out by it and (A) each Fund Agreement has been duly and validly authorized, executed and delivered by the Fund, (B) each Fund Agreement complies in all material respects with all applicable provisions of the Investment Company Act, the Advisers Act , the Investment Company Act Rules and the Advisers Act Rules, as the case may be, and (C) assuming due authorization, execution and delivery by the other parties thereto, each Fund Agreement constitutes the legal, valid and binding obligation of the Fund enforceable in accordance with its terms, (1) subject, as to enforcement, to applicable bankruptcy, insolvency and similar laws affecting creditors' rights generally and to general equitable principles (regardless of whether enforcement is sought in a proceeding in equity or at law) and (2) as rights to indemnity thereunder may be limited by federal or state securities laws.

6. None of (A) the execution and delivery by the Fund of the Fund Agreements, (B) the issue and sale by the Fund of the Shares as contemplated by the Underwriting Agreement and (C) the performance by the Fund of its obligations under the Fund Agreements or consummation by the Fund of the other transactions contemplated by the Fund Agreements conflicts with or will conflict with, or results or will result in a breach of, the Declaration of Trust or the Amended By-Laws of the Fund or any agreement or instrument to which the Fund is a party or by which the Fund is bound, or any law, rule or regulation, or order of any court, governmental instrumentality, securities exchange or association or arbitrator, whether foreign or domestic, applicable to the Fund, except that we express no opinion as to the securities or "blue sky" laws applicable in connection with the purchase and distribution of the Shares by the Underwriters pursuant to the Underwriting Agreement.

7. The Fund is not currently in breach of, or in default under, any written agreement or instrument to which it is a party or by which it or its property is bound or affected.

8. No consent, approval, authorization or order of any court or governmental agency or body or securities exchange or association, whether foreign or domestic, is required by the Fund for the consummation by the Fund of the transactions to be performed by the Fund or the performance by the Fund of all the terms and provisions to be performed by or on behalf of it in each case as contemplated in the Fund Agreements, except such as (A) have been obtained under the Securities Act, the Investment Company Act, the Advisers Act, the Securities Act Rules, the Investment Company Act Rules and the Advisers Act Rules and (B) may be required by the New York Stock Exchange or under state securities or "blue sky" laws in connection with the purchase and distribution of the Shares by the Underwriters pursuant to the Underwriting Agreement.

9. The Common Shares are listed on the New York Stock Exchange.

10. There is no action, suit or proceeding before or by any court, commission, regulatory body, administrative agency or other governmental agency or

B-2

body, foreign or domestic, now pending or, to our knowledge, threatened against or affecting the Fund, which is required to be disclosed in the Prospectus that is not disclosed in the Prospectus, and there are no contracts, franchises or other documents that are of a character required to be described in, or that are required to be filed as exhibits to, the Registration Statement that have not been described or filed as required.

11. The Fund does not require any tax or other rulings to enable it to qualify as a regulated investment company under Subchapter M of the Code.

12. Each of the sections in the Prospectus entitled "Distributions and Taxes" and the section in the Statement of Additional Information entitled "Taxes" is a fair summary of the principal United States federal income tax rules currently in effect applicable to the Fund and to the purchase, ownership and disposition of the Shares.

13. The Registration Statement (except the financial statements and schedules and other financial data included therein as to which we express no view), at the time it became effective, and the Prospectus (except as aforesaid), as of the date thereof, complied as to form in all material respects to the requirements of the Securities Act, the Investment Company Act and the rules and regulations of the Commission thereunder.

In rendering our opinion, we have relied, as to factual matters, upon the attached written certificates and statements of officers of the Fund.

In connection with the registration of the Shares, we have advised the Fund as to the requirements of the Securities Act, the Investment Company Act and the applicable rules and regulations of the Commission thereunder and have rendered other legal advice and assistance to the Fund in the course of its preparation of the Registration Statement and the Prospectus. Rendering such assistance involved, among other things, discussions and inquiries concerning various legal and related subjects and reviews of certain corporate records, documents and proceedings. We also participated in conferences with representatives of the Fund and its accountants at which the contents of the Registration Statement and Prospectus and related matters were discussed. With your permission, we have not undertaken, except as otherwise indicated herein, to determine independently, and do not assume any responsibility for, the accuracy, completeness or fairness of the statements in the Registration Statement or Prospectus. On the basis of the information which was developed in the course of the performance of the services referred to above, no information has come to our attention that would lead us to believe that the Registration Statement, at the time it became effective, contained any untrue statement of a material fact or omitted to state a material fact required to be stated therein or necessary to make the statements therein not misleading, or that the Prospectus, as of its date and as of the date hereof, contained or contains an untrue statement of a material fact or omitted or omits to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading or that any amendment or supplement to the Prospectus, as of its respective date, and as of the date hereof, contained any untrue statement of a material fact or omitted or omits to

B-3

state a material fact necessary in order to make the statements in the Prospectus, in the light of the circumstances under which they were made, not misleading (except the financial statements, schedules and other financial data included therein, as to which we express no view).

B-4

SCHEDULE C

FORM OF OPINION OF INTERNAL COUNSEL
REGARDING EATON VANCE MANAGEMENT

1. Eaton Vance has been duly formed and is validly existing as a Massachusetts business trust under the laws of its jurisdiction of incorporation with full power and authority to conduct all of the activities conducted by it, to own or lease all of the assets owned or leased by it and to conduct its business as described in the Registration Statement and Prospectus, and Eaton Vance is duly licensed and qualified and in good standing in each other jurisdiction in which it is required to be so qualified and Eaton Vance owns, possesses or has obtained and currently maintains all governmental licenses, permits, consents, orders, approvals and other authorizations, whether foreign or domestic, necessary for Eaton Vance to carry on its business as contemplated in the Registration Statement and the Prospectus.

2. Eaton Vance is duly registered as an investment adviser under the Advisers Act and is not prohibited by the Advisers Act, the Investment Company Act, the Advisers Act Rules or the Investment Company Act Rules from acting as investment adviser for the Fund as contemplated by the Investment Advisory Agreement, the Registration Statement and the Prospectus.

3. Eaton Vance has full power and authority to enter into each of the Underwriting Agreement, the Investment Advisory Agreement, the Administration Agreement and the Shareholder Servicing Agreement (collectively, the "Eaton Vance Agreements") and to carry out all the terms and provisions thereof to be carried out by it, and each such agreement has been duly and validly authorized, executed and delivered by Eaton Vance; each Eaton Vance Agreement complies in all material respects with all provisions of the Investment Company Act, the Advisers Act, the Investment Company Act Rules and the Advisers Act Rules; and assuming due authorization, execution and delivery by the other parties thereto, each Eaton Vance Agreement constitutes a legal, valid and binding obligation of Eaton Vance, enforceable in accordance with its terms, (1) subject, as to enforcement, to applicable bankruptcy, insolvency and similar laws affecting creditors' rights generally and to general equitable principles (regardless of whether enforcement is sought in a proceeding in equity or at law) and (2) as rights to indemnity thereunder may be limited by federal or state securities laws.

4. Neither (A) the execution and delivery by Eaton Vance of any Eaton Vance Agreement nor (B) the consummation by Eaton Vance of the transactions contemplated by, or the performance of its obligations under any Eaton Vance Agreement conflicts or will conflict with, or results or will result in a breach of, the Agreement and Declaration of Trust or By-Laws of Eaton Vance or any agreement or instrument to which Eaton Vance is a party or by which Eaton Vance is bound, or any law, rule or regulation, or order of any court, governmental instrumentality, securities

C-1

exchange or association or arbitrator, whether foreign or domestic, applicable to Eaton Vance.

5. No consent, approval, authorization or order of any court, governmental agency or body or securities exchange or association, whether foreign or domestic, is required for the consummation of the transactions contemplated in, or the performance by Eaton Vance of its obligations under, any Eaton Vance Agreement, except such as have been obtained under the Investment Company Act, the Advisers Act, the Securities Act, the Investment Company Act Rules, the Advisers Act Rules and the Securities Act Rules.

6. The description of Eaton Vance and its business, and the statements attributable to Eaton Vance, in the Registration Statement and the Prospectus complies with the requirements of the Securities Act, the Investment Company Act, the Securities Act Rules and the Investment Company Act Rules and do not contain any untrue statement of a material fact or omit to state any material fact required to be stated therein or necessary in order to make the statements therein not misleading.

7. There is no action, suit or proceeding before or by any court, commission, regulatory body, administrative agency or other governmental agency or body, foreign or domestic, now pending or, to our knowledge, threatened against or affecting Eaton Vance of a nature required to be disclosed in the Registration Statement or Prospectus or that might reasonably result in any material adverse change in the condition, financial or otherwise, business affairs or business prospects of Eaton Vance or the ability of Eaton Vance to fulfill its respective obligations under any Eaton Vance Agreement.

8. The Registration Statement (except the financial statements and schedules and other financial data included therein as to which we express no view), at the time it became effective, and the Prospectus (except as aforesaid), as of the date thereof, appeared on their face to be appropriately responsive in all material respects to the requirements of the Securities Act, the Investment Company Act and the rules and regulations of the Commission thereunder.

In rendering our opinion, we have relied, as to factual matters, upon the attached written certificates and statements of officers of Eaton Vance.

In connection with the registration of the Shares, we have advised Eaton Vance as to the requirements of the Securities Act, the Investment Company Act and the applicable rules and regulations of the Commission thereunder and have rendered other legal advice and assistance to Eaton Vance in the course of the preparation of the registration Statement and the Prospectus. Rendering such assistance involved, among other things, discussions and inquiries concerning various legal and related subjects and reviews of certain corporate records, documents and proceedings. We also participated in conferences with representatives of the Fund and its accountants and Eaton Vance at which the contents of the registration and Prospectus and related matters were discussed.

C-2

With your permission, we have not undertaken, except as otherwise indicated herein, to determine independently, and do not assume any responsibility for, the accuracy, completeness or fairness of the statements in the Registration Statement or Prospectus. On the basis of the information which was developed in the course of the performance of the services referred to above, no information has come to our attention that would lead us to believe that the Registration Statement, at the time it became effective, contained any untrue statement of a material fact or omitted to state a material fact required to be stated therein or necessary to make the statements therein not misleading, or that the Prospectus, as of its date and as of the date hereof, contained or contains an untrue statement of a material fact or omitted or omits to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading or that any amendment or supplement to the Prospectus, as of its respective date, and as of the date hereof, contained any untrue statement of a material fact or omitted or omits to state a material fact necessary in order to make the statements in the Prospectus, in the light of the circumstances under which they were made, not misleading (except the financial statements, schedules and other financial data included therein, as to which we express no view).

C-3

SCHEDULE D

FORM OF ACCOUNTANT'S LETTER

, 2004

The Board of Trustees of
Eaton Vance Senior Floating-Rate Trust
24 Federal Street
Boston, Massachusetts 02110

UBS Securities LLC
299 Park Avenue
New York, New York 10171
as Managing Representative of the Underwriters

Ladies and Gentlemen:

We have audited the statement of assets and liabilities of Eaton Vance Senior Floating-Rate Trust (the "Fund") as of [ ], 2004 included in the Registration Statement on Form N-2 filed by the Fund under the Securities Act of 1933 (the "Securities Act") (File No. 333-[ ]) and under the Investment Company Act of 1940 (the "Investment Company Act") (File No. 811-21411); such statement and our report with respect to such statement are included in the Registration Statement.

In connection with the Registration Statement:

1. We are independent public accountants with respect to the Fund within the meaning of the Act and the applicable rules and regulations thereunder.

2. In our opinion, the statement of assets and liabilities included in the Registration Statement and audited by us complies as to form in all respects with the applicable accounting requirements of the Securities Act, the Investment Company Act and the respective rules and regulations thereunder.

3. For purposes of this letter we have read the minutes of all meetings of the Shareholders, the Board of Trustees and all Committees of the Board of Trustees of the Fund as set forth in the minute books at the offices of the Fund, officials of the Fund having advised us that the minutes of all such meetings through [ ], 2004, were set forth therein.

4. Fund officials have advised us that no financial statements as of any date subsequent to [ ], 2004, are available. We have made inquiries of certain officials of the Fund who have responsibility for financial and accounting matters regarding whether there was any change at
[ ], 2004, in the capital shares or net assets of the Fund as compared with amounts shown in the [ ], 2004, statement of

D-1

assets and liabilities included in the Registration Statement, except for changes that the Registration Statement discloses have occurred or may occur. On the basis of our inquiries and our reading of the minutes as described in Paragraph 3, nothing came to our attention that caused us to believe that there were any such changes.

The foregoing procedures do not constitute an audit made in accordance with generally accepted auditing standards. Accordingly, we make no representations as to the sufficiency of the foregoing procedures for your purposes.

This letter is solely for the information of the addressees and to assist the underwriters in conducting and documenting their investigation of the affairs of the Fund in connection with the offering of the securities covered by the Registration Statement, and is not to be used, circulated, quoted or otherwise referred to within or without the underwriting group for any other purpose, including but not limited to the registration, purchase or sale of securities, nor is it to be filed with or referred to in whole or in part in the Registration Statement or any other document, except that reference may be made to it in the underwriting agreement or in any list of closing documents pertaining to the offering of the securities covered by the Registration Statement.

Very truly yours,

DELOITTE & TOUCHE LLP

D-2

Exhibit (k)(6)


AUCTION AGENT AGREEMENT

between

Eaton Vance Senior Floating-Rate Trust

and

DEUTSCHE BANK TRUST COMPANY AMERICAS

Dated as of [ ], 2004

Relating to

AUCTION PREFERRED SHARES

SERIES A, SERIES B, SERIES C & SERIES D,

of

EATON VANCE SENIOR FLOATING-RATE TRUST


TABLE OF CONTENTS

                                                                                                            Page
                                                                                                            ----
1.   DEFINITIONS AND RULES OF CONSTRUCTION.........................................................           1
     1.1      Terms Defined by Reference to the Amended By-laws....................................           2
     1.2      Terms Defined Herein.................................................................           2
     1.3      Rules of Construction................................................................           3
2.   THE AUCTION...................................................................................           3
     2.1      Purpose; Incorporation by Reference of Auction Procedures and
              Settlement Procedures................................................................           3
     2.2      Preparation for Each Auction; Maintenance of Registry of Existing Holders............           4
     2.3      Auction Schedule.....................................................................           8
     2.4      Notice of Auction Results............................................................           9
     2.5      Broker-Dealers.......................................................................           9
     2.6      Ownership of Shares of APS and Submission of Bids by the Trust and its
              Affiliates...........................................................................          10
     2.7      Access to and Maintenance of Auction Records.........................................          10
3.   THE AUCTION AGENT AS PAYING AGENT.............................................................          11
     3.1      The Paying Agent.....................................................................          11
     3.2      The Trust's Notices to the Paying Agent..............................................          11
     3.3      The Trust to Provide Funds for Dividends, Redemptions and Additional
              Dividends............................................................................          11
     3.4      Disbursing Dividends, Redemption Price and Additional Dividends......................          12
4.   THE PAYING AGENT AS TRANSFER AGENT AND REGISTRAR..............................................          13
     4.1      Original Issue of Stock Certificates.................................................          13
     4.2      Registration of Transfer or Exchange of Shares.......................................          13
     4.3      Removal of Legend....................................................................          13
     4.4      Lost, Stolen or Destroyed Stock Certificates.........................................          13
     4.5      Disposition of Canceled Certificates; Record Retention...............................          13
     4.6      Stock Register.......................................................................          14
     4.7      Return of Funds......................................................................          14
5.   REPRESENTATIONS AND WARRANTIES................................................................          15
     5.1      Representations and Warranties of the Trust..........................................          15
     5.2      Representations and Warranties of the Auction Agent..................................          16
6.   THE AUCTION AGENT.............................................................................          16
     6.1      Duties and Responsibilities..........................................................          16
     6.2      Rights of the Auction Agent..........................................................          16
     6.3      Auction Agent's Disclaimer...........................................................          17
     6.4      Compensation, Expenses and Indemnification...........................................          17
7.   MISCELLANEOUS.................................................................................          18
     7.1      Term of Agreement....................................................................          18
     7.2      Communications.......................................................................          19

i

7.3      Entire Agreement.....................................................................          19
7.4      Benefits.............................................................................          20
7.5      Amendment; Waiver....................................................................          20
7.6      Successors and Assigns...............................................................          20
7.7      Severability.........................................................................          20
7.8      Execution in Counterparts............................................................          21
7.9      Governing Law........................................................................          21
7.10     Limitation of Liability..............................................................          21

ii

THIS AUCTION AGENT AGREEMENT, dated as of [ ], 2004, is between EATON VANCE SENIOR FLOATING-RATE TRUST, a Massachusetts business trust (the "Trust"), and DEUTSCHE BANK TRUST COMPANY AMERICAS, a New York banking corporation.

The Trust proposes to issue 3,940 preferred shares of beneficial interest, par value $.01 per share, liquidation preference $25,000 per share, designated Series A Auction Preferred Shares, 3,940 preferred shares of beneficial interest, par value $.01 per share, designated Series B Auction Preferred Shares, 3,940 preferred shares of beneficial interest, par value $.01 per share, designated Series C Auction Preferred Share, and 3,940 preferred shares of beneficial interest, par value $.01 per share, designated Series D Auction Preferred Shares, (collectively, the "APS"), pursuant to the Trust's Amended By-laws (as defined below). The Trust desires that Deutsche Bank Trust Company Americas perform certain duties as agent in connection with each Auction of shares of APS (in such capacity, the "Auction Agent"), and as the transfer agent, registrar, dividend disbursing agent and redemption agent with respect to the shares of APS (in such capacity, the "Paying Agent"), upon the terms and conditions of this Agreement, and the Trust hereby appoints Deutsche Bank Trust Company Americas as said Auction Agent and Paying Agent in accordance with those terms and conditions (hereinafter generally referred to as the "Auction Agent," except in Sections 3 and 4 below).

A separate Auction (as defined below) will be conducted for each series of APS. The Trust desires that Deutsche Bank Trust Company Americas perform certain duties as agent in connection with each Auction of shares of APS (in such capacity, the "Auction Agent"), and as the transfer agent, registrar, dividend disbursing agent and redemption agent with respect to the shares of APS (in such capacity, the "Paying Agent"), upon the terms and conditions of this Agreement, and the Trust hereby appoints Deutsche Bank Trust Company Americas as said Auction Agent and Paying Agent in accordance with those terms and conditions (hereinafter generally referred to as the "Auction Agent," except in Sections 3 and 4 below).

NOW, THEREFORE, in consideration of the premises and the mutual covenants contained herein, the Trust and the Auction Agent agree as follows:

1. DEFINITIONS AND RULES OF CONSTRUCTION.

1

1.1 Terms Defined by Reference to the Amended By-laws.

Capitalized terms not defined herein shall have the respective meanings specified in the Amended By-laws.

1.2 Terms Defined Herein.

As used herein and in the Settlement Procedures (as defined below), the following terms shall have the following meanings, unless the context otherwise requires:

(1) "Affiliate" shall mean any Person made known to the Auction Agent to be controlled by, in control of, or under common control with, the Trust or its successors.

(2) "Agent Member" of any Person shall mean such Person's agent member of the Securities Depository that will act on behalf of a Bidder.

(3) "Amended By-laws" shall mean the Amended By-laws of the Trust, establishing the powers, preferences and rights of the APS, as amended to the date hereof.

(4) "Auction" shall have the meaning specified in Section 2.1 hereof.

(5) "Auction Procedures" shall mean the Auction Procedures that are set forth in Section 9 of Article VII of the Amended By-laws.

(6) "Authorized Officer" shall mean each Director, Vice President, Assistant Vice President and Associate of the Auction Agent and every other officer or employee of the Auction Agent designated as an "Authorized Officer" for purposes hereof in a communication to the Trust.

(7) "Broker-Dealer Agreement" shall mean each agreement between the Auction Agent and a Broker-Dealer substantially in the form attached hereto as Exhibit A.

(8) "Holder" shall be a holder of record of one or more shares of APS, listed as such in the stock register maintained by the Paying Agent pursuant to
Section 4.6 hereof.

2

(9) "Settlement Procedures" shall mean the Settlement Procedures attached as Exhibit A to the Broker-Dealer Agreement.

(10) "Trust Officer" shall mean the Chairman and Chief Executive Officer, the President, each Vice President (whether or not designated by a number or word or words added before or after the title "Vice President"), the Secretary, the Treasurer, each Assistant Secretary and each Assistant Treasurer of the Trust and every other officer or employee of the Trust designated as a "Trust Officer" for purposes hereof in a notice from the Trust to the Auction Agent.

1.3 Rules of Construction.

Unless the context or use indicates another or different meaning or intent, the following rules shall apply to the construction of this Agreement:

(1) Words importing the singular number shall include the plural number and vice versa.

(2) The captions and headings herein are solely for convenience of reference and shall not constitute a part of this Agreement nor shall they affect its meaning, construction or effect.

(3) The words "hereof," "herein," "hereto," and other words of similar import refer to this Agreement as a whole.

(4) All references herein to a particular time of day shall be to New York City time.

2. THE AUCTION.

2.1 Purpose; Incorporation by Reference of Auction Procedures and Settlement Procedures.

(1) The Amended By-laws provide that the Applicable Rate on shares of each series of APS, as the case may be, for each Dividend Period therefor after the Initial Dividend Period shall be the rate per annum that a commercial bank, trust company or other financial institution appointed by the Trust advises results from implementation of the Auction Procedures. The Board of Trustees of the Trust has adopted a resolution appointing Deutsche Bank Trust Company Americas as Auction Agent for purposes of the Auction Procedures. The Auction

3

Agent hereby accepts such appointment and agrees that, on each Auction Date, it shall follow the procedures set forth in this Section 2 and the Auction Procedures for the purpose of determining the Applicable Rate for the APS for the next Dividend Period therefor. Each periodic operation of such procedures is hereinafter referred to as an "Auction."

(2) All of the provisions contained in the Auction Procedures and in the Settlement Procedures are incorporated herein by reference in their entirety and shall be deemed to be a part hereof to the same extent as if such provisions were set forth fully herein.

2.2 Preparation for Each Auction; Maintenance of Registry of Existing Holders.

(1) Pursuant to Section 2.5 hereof, the Trust shall not designate any Person to act as a Broker-Dealer without the prior written approval of the Auction Agent (which approval shall not be withheld unreasonably). As of the date hereof, the Trust shall provide the Auction Agent with a list of the Broker-Dealers previously approved by the Auction Agent and shall cause to be delivered to the Auction Agent for execution by the Auction Agent a Broker-Dealer Agreement signed by each such Broker-Dealer. The Auction Agent shall keep such list current and accurate and shall indicate thereon, or on a separate list, the identity of each Existing Holder, if any, whose most recent Order was submitted by a Broker-Dealer on such list and resulted in such Existing Holder continuing to hold or purchasing shares of APS. Not later than five Business Days prior to any Auction Date for which any change in such list of Broker-Dealers is to be effective, the Trust shall notify the Auction Agent in writing of such change and, if any such change is the addition of a Broker-Dealer to such list, the Trust shall cause to be delivered to the Auction Agent for execution by the Auction Agent a Broker-Dealer Agreement signed by such Broker-Dealer. The Auction Agent shall have entered into a Broker-Dealer Agreement with each Broker-Dealer prior to the participation of any such Broker-Dealer in any Auction.

(2) In the event that the Auction Date for any Auction shall be changed after the Auction Agent shall have given the notice referred to in clause (vii) of Paragraph (a) of the Settlement Procedures, the Auction Agent, by such means as the Auction Agent deems practicable, shall give notice of such change to the Broker-Dealers not later than the earlier of 9:15 A.M. on the new Auction Date or 9:15 A.M. on the old Auction Date.

4

(3) The provisions contained in Section 2 of Article VII of the Amended By-laws concerning Special Dividend Periods and the notification of a Special Dividend Period will be followed by the Trust and, to the extent applicable, the Auction Agent, and the provisions contained therein are incorporated herein by reference in their entirety and shall be deemed to be a part of this Agreement to the same extent as if such provisions were set forth fully herein.

(4)(i) Except as otherwise provided in Sections 2(e) and 2(f) of Article VII of the Amended By-laws, whenever the Trust intends to include any net capital gains or other income subject to regular Federal income tax in any dividend on shares of APS, the Trust will notify the Auction Agent of the amount to be so included at least five Business Days prior to the Auction Date on which the Applicable Rate for such dividend is to be established. Whenever the Auction Agent receives such notice from the Trust, in turn it will notify each Broker-Dealer, who, on or prior to such Auction Date, in accordance with its Broker-Dealer Agreement, will notify its Beneficial Owners and Potential Beneficial Owners believed to be interested in submitting an Order in the Auction to be held on such Auction Date. Whenever the Trust includes any additional amounts in a dividend as provided in Section 2(e) of Article VII of the Amended By-laws, the Trust will notify the Auction Agent of such additional amounts to be so included in such dividend at least five Business Days prior to the applicable Dividend Payment Date. Whenever the Auction Agent receives such notice from the Trust, in turn it will notify the Securities Depository and each Broker- Dealer, who, on or prior to the applicable Dividend Payment Date, in accordance with its Broker-Dealer Agreement, will notify its Beneficial Owners.

(ii) If the Trust makes a Retroactive Taxable Allocation, the Trust, within 90 days (and generally within 60 days) after the end of its fiscal year for which a Retroactive Taxable Allocation is made, will provide notice thereof to the Auction Agent and to each Holder (initially the Securities Depository) during such fiscal year at such Holder's address as the same appears or last appeared on the stock books of the Trust. The Trust, within 30 days after such notice is given to the Auction Agent, will pay to the Auction Agent (who then will distribute to such Holders), out of funds legally available therefor, a cash amount equal to the aggregate Additional Dividend with respect to all Retroactive Taxable Allocations made to such Holders during the fiscal year in question.

(iii) On each Auction Date, the Auction Agent shall determine the Reference Rate and the Maximum Applicable Rate. If the Reference Rate is not quoted on an interest basis but is quoted on a discount basis, the Auction Agent

5

shall convert the quoted rate to an Interest Equivalent, as set forth in Section 1 of the Amended By-laws; or, if the rate obtained by the Auction Agent is not quoted on an interest or discount basis, the Auction Agent shall convert the quoted rate to an interest rate after consultation with the Trust as to the method of such conversion. Not later than 9:30 A.M. on each Auction Date, the Auction Agent shall notify the Trust and the Broker-Dealers of the Reference Rate so determined and of the Maximum Applicable Rate.

(5)(i) If the Reference Rate is the applicable "AA" Composite Commercial Paper Rate and such rate is to be based on rates supplied by Commercial Paper Dealers and one or more of the Commercial Paper Dealers shall not provide a quotation for the determination of the applicable "AA" Composite Commercial Paper Rate, the Auction Agent immediately shall notify the Trust so that the Trust can determine whether to select a Substitute Commercial Paper Dealer or Substitute Commercial Paper Dealers to provide the quotation or quotations not being supplied by any Commercial Paper Dealer or Commercial Paper Dealers. The Trust promptly shall advise the Auction Agent of any such selection. If the Trust does not select any such Substitute Commercial Paper Dealer or Substitute Commercial Paper Dealers, then the rates shall be supplied by the remaining Commercial Paper Dealer or Commercial Paper Dealers.

(ii) If, after the date of this Agreement, there is any change in the prevailing rating of APS by Standard & Poor's Ratings Group (or substitute or successor rating agencies), thereby resulting in any change in the corresponding applicable percentage for the APS, as set forth in the definition of Maximum Application Rate (the "Percentage"), the Trust shall notify the Auction Agent in writing of such change in the Percentage prior to 9:00 A.M. on the Auction Date for APS next succeeding such change. The Percentage for the APS on the date of this Agreement is 110%. The Auction Agent shall be entitled to rely on the last Percentage of which it has received notice from the Trust (or, in the absence of such notice, the Percentage set forth in the preceding sentence) in determining the Maximum Applicable Rate as set forth in Section 2.2(e)(i) hereof.

(iii) The Auction Agent shall maintain a current registry of the Existing Holders of the shares of each series of APS for purposes of each Auction. The Trust shall use its best efforts to provide or cause to be provided to the Auction Agent on the date of the Closing a list of the initial Existing Holders of each series of APS, and the Broker-Dealer of each such Existing Holder through which such Existing Holder purchased such shares. The Auction Agent may rely upon, as

6

evidence of the identities of the Existing Holders, such list, the results of each Auction and notices from any Existing Holder, the Agent Member of any Existing Holder or the Broker-Dealer of any Existing Holder with respect to such Existing Holder's transfer of any shares of APS to another Person.

(iv) In the event of any partial redemption of any series of APS, upon notice by the Trust to the Auction Agent of such partial redemption, the Auction Agent promptly shall request the Securities Depository to notify the Auction Agent of the identities of the Agent Members (and the respective numbers of shares) from the accounts of which shares have been called for redemption and the person or department at such Agent Member to contact regarding such redemption, and at least two Business Days prior to the Auction preceding the date of redemption with respect to shares of the series being partially redeemed, the Auction Agent shall request each Agent Member so identified to disclose to the Auction Agent (upon selection by such Agent Member of the Existing Holders whose shares are to be redeemed) the number of shares of such series of APS of each such Existing Holder, if any, to be redeemed by the Trust, provided that the Auction Agent has been furnished with the name and telephone number of a person or department at such Agent Member from which it is to request such information. In the absence of receiving any such information with respect to an Existing Holder, from such Existing Holder's Agent Member or otherwise, the Auction Agent may continue to treat such Existing Holder as having ownership of the number of shares of the series of APS shown in the Auction Agent's registry of Existing Holders.

(v) The Auction Agent shall register a transfer of the ownership of shares of a series of APS from an Existing Holder to another Existing Holder, or to another Person if permitted by the Trust, only if (A) such transfer is made pursuant to an Auction or (B) if such transfer is made other than pursuant to an Auction, the Auction Agent has been notified of such transfer in writing in a notice substantially in the form of Exhibit C to the Broker-Dealer Agreements, by such Existing Holder or by the Agent Member of such Existing Holder. The Auction Agent is not required to accept any notice of transfer delivered for an Auction unless it is received by the Auction Agent by 3:00 P.M. on the Business Day next preceding the applicable Auction Date. The Auction Agent shall rescind a transfer made on the registry of the Existing Holders of any shares of APS if the Auction Agent has been notified in writing, in a notice substantially in the form of Exhibit D to the Broker-Dealer Agreement, by the Agent Member or the Broker-Dealer of any Person that (i) purchased any shares of APS and the seller failed to deliver such shares or (ii) sold any shares of APS and the purchaser

7

failed to make payment to such Person upon delivery to the purchaser of such shares.

(vi) The Auction Agent may request that the Broker Dealers, as set forth in Section 3.2(c) of the Broker-Dealer Agreements, provide the Auction Agent with a list of their respective customers that such Broker-Dealers believe are Beneficial Owners of shares of APS. The Auction Agent shall keep confidential any such information and shall not disclose any such information so provided to any Person other than the relevant Broker-Dealer and the Trust, provided that the Auction Agent reserves the right to disclose any such information if it is advised by its counsel that its failure to do so would be unlawful.

2.3 Auction Schedule.

The Auction Agent shall conduct Auctions in accordance with the schedule set forth below. Such schedule may be changed by the Auction Agent with the consent of the Trust, which consent shall not be withheld unreasonably. The Auction Agent shall give notice of any such change to each Broker-Dealer. Such notice shall be received prior to the first Auction Date on which any such change shall be effective.

        Time                                   Event
        ----                                   -----
By 9:30 A.M.              Auction Agent advises the Trust and the Broker-Dealers
                          of the Reference Rate and the Maximum Applicable Rate
                          as set forth in Section 2.2(e)(i) hereof.

9:30 A.M. - 1:30 P.M.     Auction Agent assembles information communicated to it
                          by Broker-Dealers as provided in Section 10(d)(i) of
                          Article VII of the Amended By-laws. Submission
                          deadline is 1:30 P.M.

Not earlier than          Auction Agent makes determinations pursuant to Section
1:30 P.M.                 10(d)(i) of Article VII of the Amended By-laws.

By approximately          Auction Agent advises the Trust of the results of the
3:00 P.M.                 Auction as provided in Section 10(d)(ii) of Article
                          VII of the Amended By-laws.

8

Submitted Bids and Submitted Sell Orders are accepted and rejected in whole or in part and shares of APS allocated as provided in Section 10(e) of Article VII of the Amended By-laws. Auction Agent gives notice of the Auction results as set forth in Section 2.4 hereof.

2.4 Notice of Auction Results.

On each Auction Date, the Auction Agent shall notify Broker-Dealers of the results of the Auction held on such date by telephone or through the Auction Agent's Auction Processing System as set forth in Paragraph (a) of the Settlement Procedures.

2.5 Broker-Dealers.

(1) Not later than 12:00 noon on each Auction Date, the Trust shall pay to the Auction Agent in Federal Funds or similar same-day funds an amount in cash equal to (i) in the case of any Auction Date immediately preceding a 7-Day Dividend Period, the product of (A) a fraction the numerator of which is the number of days in such Dividend Period and the denominator of which is 365, times (B) 1/4 of 1%, times (C) $25,000 times (D) the sum of the aggregate number of outstanding shares of APS for which the Auction is conducted and (ii) in the case of any Special Dividend Period, the amount determined by mutual consent of the Trust and the Broker-Dealers pursuant to Section 3.5 of the Broker-Dealer Agreements. The Auction Agent shall apply such moneys as set forth in Section 3.5 of the Broker-Dealer Agreements and shall thereafter remit to the Trust any remaining funds paid to the Auction Agent pursuant to this Section 2.5(a).

(2) The Trust shall not designate any Person to act as a Broker- Dealer, or permit a Existing Holder or a Potential Beneficial Owner to participate in Auctions through any Person other than a Broker-Dealer, without the prior written approval of the Auction Agent, which approval shall not be withheld unreasonably. The Trust may designate an Affiliate or Salomon Smith Barney, Inc. to act as a Broker-Dealer.

(3) The Auction Agent shall terminate any Broker-Dealer Agreement as set forth therein if so directed by the Trust.

9

(4) Subject to Section 2.5(b) hereof, the Auction Agent from time to time shall enter into such Broker-Dealer Agreements as the Trust shall request.

(5) The Auction Agent shall maintain a list of Broker-Dealers.

2.6 Ownership of Shares of APS and Submission of Bids by the Trust and its Affiliates.

Neither the Trust nor any Affiliate of the Trust may submit any Sell Order or Bid, directly or indirectly, in any Auction, except that an Affiliate of the Trust that is a Broker-Dealer may submit a Sell Order or Bid on behalf of a Beneficial Owner or a Potential Beneficial Owner. The Trust shall notify the Auction Agent if the Trust or, to the best of the Trust's knowledge, any Affiliate of the Trust becomes a Beneficial Owner of any shares of APS. Any shares of APS redeemed, purchased or otherwise acquired (i) by the Trust shall not be reissued, except in accordance with the requirements of the Securities Act of 1933, as amended, or (ii) by its Affiliates shall not be transferred (other than to the Trust). The Auction Agent shall have no duty or liability with respect to enforcement of this Section 2.6.

2.7 Access to and Maintenance of Auction Records.

The Auction Agent shall afford to the Trust, its agents, independent public accountants and counsel, access at reasonable times during normal business hours to review and make extracts or copies (at the Trust's sole cost and expense) of all books, records, documents and other information concerning the conduct and results of Auctions, provided that any such agent, accountant or counsel shall furnish the Auction Agent with a letter from the Trust requesting that the Auction Agent afford such person access. The Auction Agent shall maintain records relating to any Auction for a period of two years after such Auction (unless requested by the Trust to maintain such records for such longer period not in excess of four years, then for such longer period), and such records, in reasonable detail, shall accurately and fairly reflect the actions taken by the Auction Agent hereunder. The Trust agrees to keep confidential any information regarding the customers of any Broker-Dealer received from the Auction Agent in connection with this Agreement or any Auction, and shall not disclose such information or permit the disclosure of such information without the prior written consent of the applicable Broker-Dealer to anyone except such agent, accountant or counsel engaged to audit or review the results of Auctions as permitted by this Section 2.7, provided that the Trust reserves the right to disclose any such information if it

10

is advised by its counsel that its failure to do so would (i) be unlawful or
(ii) expose it to liability, unless the Broker-Dealer shall have offered indemnification satisfactory to the Trust. Any such agent, accountant or counsel, before having access to such information, shall agree to keep such information confidential and not to disclose such information or permit disclosure of such information without the prior written consent of the applicable Broker-Dealer, provided that such agent, accountant or counsel may reserve the right to disclose any such information if it is advised by its counsel that its failure to do so would (i) be unlawful or (ii) expose it to liability, unless the Broker-Dealer shall have offered indemnification satisfactory to such agent, accountant or counsel.

3. THE AUCTION AGENT AS PAYING AGENT.

3.1 The Paying Agent.

The Board of Trustees of the Trust has adopted a resolution appointing Deutsche Bank Trust Company Americas as transfer agent, registrar, dividend disbursing agent and redemption agent for the Trust in connection with any shares of APS (in such capacity, the "Paying Agent"). The Paying Agent hereby accepts such appointment and agrees to act in accordance with its standard procedures and the provisions of the Amended By-laws which are specified herein with respect to the shares of APS and as set forth in this Section 3.

3.2 The Trust's Notices to the Paying Agent.

Whenever any shares of APS are to be redeemed, the Trust promptly shall deliver to the Paying Agent a Notice of Redemption, which will be mailed by the Trust to each Holder at least five Business Days prior to the date such Notice of Redemption is required to be mailed pursuant to the Amended By-laws. The Paying Agent shall have no responsibility to confirm or verify the accuracy of any such Notice.

3.3 The Trust to Provide Funds for Dividends, Redemptions and Additional Dividends.

(1) Not later than noon on each Dividend Payment Date, the Trust shall deposit with the Paying Agent an aggregate amount of Federal Funds or similar same-day funds equal to the declared dividends to be paid to Holders on such Dividend Payment Date, and shall give the Paying Agent irrevocable instructions to apply such funds to the payment of such dividends on such Dividend Payment

11

Date.

(2) If the Trust shall give a Notice of Redemption, then by noon of the date fixed for redemption, the Trust shall deposit in trust with the Paying Agent an aggregate amount of Federal Funds or similar same-day funds sufficient to redeem such shares of APS called for redemption and shall give the Paying Agent irrevocable instructions and authority to pay the redemption price to the Holders of shares of APS called for redemption upon surrender of the certificate or certificates therefor.

(3) If the Trust provides notice to the Auction Agent of a Retroactive Taxable Allocation, the Trust, within 30 days after such notice is given and by noon of the date fixed for payment of an Additional Dividend, shall deposit in trust with the Paying Agent an aggregate amount of Federal Funds or similar same-day funds equal to such Additional Dividend and shall give the Paying Agent irrevocable instructions and authority to pay the Additional Dividend to Holders (or former Holders) entitled thereto.

3.4 Disbursing Dividends, Redemption Price and Additional Dividends.

After receipt of the Federal Funds or similar same-day funds and instructions from the Trust described in Sections 3.3(a), (b) and (c) above, the Paying Agent shall pay to the Holders (or former Holders) entitled thereto (i) on each corresponding Dividend Payment Date, dividends on the shares of APS,
(ii) on any date fixed for redemption, the redemption price of any shares of APS called for redemption and (iii) on the date fixed for payment of an Additional Dividend, such Additional Dividend. The amount of dividends for any Dividend Period to be paid by the Paying Agent to Holders will be determined by the Trust as set forth in Section 2 of the Amended By-laws. The redemption price to be paid by the Paying Agent to the Holders of any shares of APS called for redemption will be determined as set forth in Section 4 of the Amended By-laws. The amount of Additional Dividends to be paid by the Paying Agent in the event of a Retroactive Taxable Allocation to Holders will be determined by the Trust pursuant to Section 2(e) of the Amended By-laws. The Trust shall notify the Paying Agent in writing of a decision to redeem any shares of APS on or prior to the date specified in Section 3.2 above, and such notice by the Trust to the Paying Agent shall contain the information required to be stated in a Notice of Redemption required to be mailed by the Trust to such Holders. The Paying Agent shall have no duty to determine the redemption price and may rely on the amount thereof set forth in a Notice of Redemption.

12

4. THE PAYING AGENT AS TRANSFER AGENT AND REGISTRAR.

4.1 Original Issue of Stock Certificates.

On the Date of Original Issue for any share of APS, one certificate for each series, if any, of APS shall be issued by the Trust and registered in the name of Cede & Co., as nominee of the Securities Depository, and countersigned by the Paying Agent. The Trust will give the Auction Agent prior written notice and instruction as to the issuance and redemption of APS.

4.2 Registration of Transfer or Exchange of Shares.

Except as provided in this Section 4.2, the shares of each series of APS shall be registered solely in the name of the Securities Depository or its nominee.

4.3 Removal of Legend.

Any request for removal of a legend indicating a restriction on transfer from a certificate evidencing shares of APS shall be accompanied by an opinion of counsel stating that such legend may be removed and such shares may be transferred free of the restriction described in such legend, said opinion to be delivered under cover of a letter from a Company Officer authorizing the Paying Agent to remove the legend on the basis of said opinion.

4.4 Lost, Stolen or Destroyed Stock Certificates.

The Paying Agent shall issue and register replacement certificates for certificates represented to have been lost, stolen or destroyed, upon the fulfillment of such requirements as shall be deemed appropriate by the Trust and by the Paying Agent, subject at all times to provisions of law, the Amended By-Laws of the Trust governing such matters and resolutions adopted by the Trust with respect to lost, stolen or destroyed securities. The Paying Agent may issue new certificates in exchange for and upon the cancellation of mutilated certificates. Any request by the Trust to the Paying Agent to issue a replacement or new certificate pursuant to this Section 4.4 shall be deemed to be a representation and warranty by the Trust to the Paying Agent that such issuance will comply with provisions of applicable law and the By-Laws and resolutions of the Trust.

4.5 Disposition of Canceled Certificates; Record Retention.

13

The Paying Agent shall retain stock certificates which have been canceled in transfer or in exchange and accompanying documentation in accordance with applicable rules and regulations of the Securities and Exchange Commission for two calendar years from the date of such cancellation. The Paying Agent, upon written request by the Trust, shall afford to the Trust, its agents and counsel access at reasonable times during normal business hours to review and make extracts or copies (at the Trust's sole cost and expense) of such certificates and accompanying documentation. Upon request by the Trust at any time after the expiration of this two-year period, the Paying Agent shall deliver to the Trust the canceled certificates and accompanying documentation. The Trust, at its expense, shall retain such records for a minimum additional period of four calendar years from the date of delivery of the records to the Trust and shall make such records available during this period at any time, or from time to time, for reasonable periodic, special, or other examinations by representatives of the Securities and Exchange Commission. The Trust also shall undertake to furnish to the Securities and Exchange Commission, upon demand, either at their principal office or at any regional office, complete, correct and current hard copies of any and all such records. Thereafter, such records shall not be destroyed by the Trust without the approval of the Paying Agent, which approval shall not be withheld unreasonably, but will be safely stored for possible future reference.

4.6 Stock Register.

The Paying Agent shall maintain the stock register, which shall contain a list of the Holders, the number of shares held by each Holder and the address of each Holder. The Paying Agent shall record in the stock register any change of address of a Holder upon notice by such Holder. In case of any written request or demand for the inspection of the stock register or any other books of the Trust in the possession of the Paying Agent, the Paying Agent will notify the Trust and secure instructions as to permitting or refusing such inspection. The Paying Agent reserves the right, however, to exhibit the stock register or other records to any person in case it is advised by its counsel that its failure to do so would (i) be unlawful or (ii) expose it to liability, unless the Trust shall have offered indemnification satisfactory to the Paying Agent.

4.7 Return of Funds.

Any funds deposited with the Paying Agent by the Trust for any reason under this Agreement, including for the payment of dividends or the redemption of shares of

14

any series of APS, that remain with the Paying Agent after 12 months shall be repaid to the Trust upon written request by the Trust.

5. REPRESENTATIONS AND WARRANTIES.

5.1 Representations and Warranties of the Trust.

The Trust represents and warrants to the Auction Agent that:

(1) the Trust is duly organized and is validly existing as a business trust in good standing under the laws of The Commonwealth of Massachusetts, and has full power to execute and deliver this Agreement and to authorize, create and issue the shares of APS;

(2) the Trust is registered with the Securities and Exchange Commission under the Investment Company Act of 1940, as amended, as a closed-end, non-diversified, management investment company;

(3) this Agreement has been duly and validly authorized, executed and delivered by the Trust and constitutes the legal, valid and binding obligation of the Trust, enforceable against the Trust in accordance with its terms, subject as to such enforceability to bankruptcy, insolvency, reorganization and other laws of general applicability relating to or affecting creditors' rights and to general equitable principles;

(4) the forms of the certificates evidencing the shares of each series of APS comply with all applicable laws of The Commonwealth of Massachusetts;

(5) the shares of each series of APS have been duly and validly authorized by the Trust and, upon completion of the initial sale of the shares of such series of APS and receipt of payment therefor, will be validly issued, fully paid and nonassessable;

(6) at the time of the offering of the shares of each series of APS, the shares offered will be registered under the Securities Act of 1933, as amended, and no further action by or before any governmental body or authority of the United States or of any state thereof is required in connection with the execution and delivery of this Agreement or will be required in connection with the issuance of the shares of APS, except such action as required by applicable state securities laws, all of which action will have been taken;

15

(7) the execution and delivery of this Agreement and the issuance and delivery of the shares of each series of APS do not and will not conflict with, violate, or result in a breach of, the terms, conditions or provisions of, or constitute a default under, the Declaration of Trust or the Amended By-Laws of the Trust, any law or regulation applicable to the Trust, any order or decree of any court or public authority having jurisdiction over the Trust, or any mortgage, indenture, contract, agreement or undertaking to which the Trust is a party or by which it is bound; and

(8) no taxes are payable upon or in respect of the execution of this Agreement or will be payable upon or in respect of the issuance of the shares of each series of APS.

5.2 Representations and Warranties of the Auction Agent.

The Auction Agent represents and warrants to the Trust that the Auction Agent is duly organized and is validly existing as a banking corporation in good standing under the laws of the State of New York, and has the corporate power to enter into and perform its obligations under this Agreement.

6. THE AUCTION AGENT.

6.1 Duties and Responsibilities.

(1) The Auction Agent is acting solely as agent for the Trust hereunder and owes no fiduciary duties to any Person except as provided by this Agreement.

(2) The Auction Agent undertakes to perform such duties and only such duties as are set forth specifically in this Agreement, and no implied covenants or obligations shall be read into this Agreement against the Auction Agent.

(3) In the absence of bad faith or negligence on its part, the Auction Agent shall not be liable for any action taken, suffered or omitted by it or for any error of judgment made by it in the performance of its duties under this Agreement. The Auction Agent shall not be liable for any error of judgment made in good faith unless the Auction Agent shall have been negligent in ascertaining (or failing to ascertain) the pertinent facts.

6.2 Rights of the Auction Agent.

16

(1) The Auction Agent may rely upon, and shall be protected in acting or refraining from acting upon, any communication authorized hereby and any written instruction, notice, request, direction, consent, report, certificate, share certificate or other instrument, paper or document reasonably believed by it to be genuine. The Auction Agent shall not be liable for acting upon any telephone communication authorized hereby which the Auction Agent believes in good faith to have been given by the Trust or by a Broker-Dealer. The Auction Agent may record telephone communications with the Trust or with the Broker-Dealers or with both.

(2) The Auction Agent may consult with counsel of its choice, and the written advice of such counsel shall be full and complete authorization and protection in respect of any action taken, suffered or omitted by it hereunder in good faith and in reliance thereon.

(3) The Auction Agent shall not be required to advance, expend or risk its own funds or otherwise incur or become exposed to financial liability in the performance of its duties hereunder. The Auction Agent shall be under no liability for interest on any money received by it hereunder except as otherwise agreed in writing with the Trust.

(4) The Auction Agent may perform its duties and exercise its rights hereunder either directly or by or through agents or attorneys.

6.3 Auction Agent's Disclaimer.

The Auction Agent makes no representation as to the validity or the adequacy of this Agreement, the Broker-Dealer Agreements or the APS.

6.4 Compensation, Expenses and Indemnification.

(1) The Trust shall pay to the Auction Agent from time to time reasonable compensation for all services rendered by it under this Agreement and under the Broker-Dealer Agreements as shall be set forth in a separate writing signed by the Trust and the Auction Agent, subject to adjustments if the APS no longer are held of record by the Securities Depository or its nominee or if there shall be such other change as shall increase materially the Auction Agent's obligations hereunder or under the Broker-Dealer Agreements.

17

(2) The Trust shall reimburse the Auction Agent upon its request for all reasonable expenses, disbursements and advances incurred or made by the Auction Agent in accordance with any provision of this Agreement and of the Broker-Dealer Agreements (including the reasonable compensation, expenses and disbursements of its agents and counsel), except any expense, disbursement or advance attributable to its negligence or bad faith.

(3) The Trust shall indemnify the Auction Agent for, and hold it harmless against, any loss, liability or expense incurred without negligence or bad faith on its part arising out of or in connection with its agency under this Agreement and under the Broker-Dealer Agreements, including the costs and expenses of defending itself against any claim of liability in connection with its exercise or performance of any of its duties hereunder and thereunder, except such as may result from its negligence or bad faith.

7. MISCELLANEOUS.

7.1 Term of Agreement.

(1) The term of this Agreement is unlimited unless it shall be terminated as provided in this Section 7.1. The Trust may terminate this Agreement at any time by so notifying the Auction Agent, provided that if any APS remain outstanding the Trust shall have entered into an agreement in substantially the form of this Agreement with a successor auction agent. The Auction Agent may terminate this Agreement upon prior notice to the Trust on the date specified in such notice, which date shall be no earlier than 60 days after delivery of such notice. If the Auction Agent resigns while any shares of APS remain outstanding, the Trust shall use its best efforts to enter into an agreement with a successor auction agent containing substantially the same terms and conditions as this Agreement.

(2) Except as otherwise provided in this Section 7.1(b), the respective rights and duties of the Trust and the Auction Agent under this Agreement shall cease upon termination of this Agreement. The Trust's representations, warranties, covenants and obligations to the Auction Agent under Sections 5 and 6.4 hereof shall survive the termination hereof. Upon termination of this Agreement, the Auction Agent shall (i) resign as Auction Agent under the Broker-Dealer Agreements, (ii) at the Trust's request, deliver promptly to the Trust copies of all books and records maintained by it in connection with its duties hereunder, and (iii) at the request of the Trust, transfer promptly to the Trust or to any

18

successor auction agent any funds deposited by the Trust with the Auction Agent (whether in its capacity as Auction Agent or as Paying Agent) pursuant to this Agreement which have not been distributed previously by the Auction Agent in accordance with this Agreement.

7.2 Communications.

Except for (i) communications authorized to be made by telephone pursuant to this Agreement or the Auction Procedures and (ii) communications in connection with Auctions (other than those expressly required to be in writing), all notices, requests and other communications to any party hereunder shall be in writing (including telecopy or similar writing) and shall be given to such party at its address or telecopier number set forth below:

If to the Trust,                 Eaton Vance Senior Floating-Rate Trust
addressed to:                    255 State Street
                                 Boston, MA 02109
                                 Attention: Treasurer
                                 Telephone No.: (617) 482-8260

If to the Auction Agent,         Deutsche Bank Trust Company Americas
addressed to:                    Corporate Trust and Agency Services
                                 60 Wall Street
                                 27th Floor
                                 New York, NY 10005
                                 Attention: Auction Rate Securities
                                 Telecopier No.: (212) 797-8600
                                 Telephone No.: (212) 250-6645

or such other address or telecopier number as such party hereafter may specify for such purpose by notice to the other party. Each such notice, request or communication shall be effective when delivered at the address specified herein. Communications shall be given on behalf of the Trust by a Trust Officer and on behalf of the Auction Agent by an Authorized Officer.

7.3 Entire Agreement.

19

This Agreement contains the entire agreement between the parties relating to the subject matter hereof, and there are no other representations, endorsements, promises, agreements or understandings, oral, written or inferred, between the parties relating to the subject matter hereof, except for agreements relating to the compensation of the Auction Agent.

7.4 Benefits.

Nothing herein, express or implied, shall give to any Person, other than the Trust, the Auction Agent and their respective successors and assigns, any benefit of any legal or equitable right, remedy or claim hereunder.

7.5 Amendment; Waiver.

(1) This Agreement shall not be deemed or construed to be modified, amended, rescinded, canceled or waived, in whole or in part, except by a written instrument signed by a duly authorized representative of the party to be charged. The Trust shall notify the Auction Agent of any change in the Amended By-laws prior to the effective date of any such change. If any such change in the Amended By-laws materially increases the Auction Agent's obligations hereunder, the Trust shall obtain the written consent to the Auction Agent prior to the effective date of such change.

(2) Failure of either party hereto to exercise any right or remedy hereunder in the event of a breach hereof by the other party shall not constitute a waiver of any such right or remedy with respect to any subsequent breach.

7.6 Successors and Assigns.

This Agreement shall be binding upon, inure to the benefit of, and be enforceable by, the respective successors and permitted assigns of each of the Trust and the Auction Agent. This Agreement may not be assigned by either party hereto absent the prior written consent of the other party, which consent shall not be withheld unreasonably.

7.7 Severability.

20

If any clause, provision or section hereof shall be ruled invalid or unenforceable by any court of competent jurisdiction, the invalidity or unenforceability of such clause, provision or section shall not affect any of the remaining clauses, provisions or sections hereof.

7.8 Execution in Counterparts.

This Agreement may be executed in several counterparts, each of which shall be an original and all of which shall constitute but one and the same instrument.

7.9 Governing Law.

This Agreement shall be governed by and construed in accordance with the laws of the State of New York applicable to agreements made and to be performed in said state.

7.10 Limitation of Liability.

The names "Eaton Vance Senior Floating-Rate Trust" and "Trustees of the Eaton Vance Senior Floating-Rate Trust" refer, respectively, to the Trust and the Trustees of the Trust, as trustees but not individually or personally, acting from time to time under the Trust's Agreement and Declaration of Trust dated July 10, 2003, and filed on July 11, 2003, which is hereby referred to and a copy of which is on file at the office of the Secretary of The Commonwealth of Massachusetts and the principal office of the Trust. The obligations of "Eaton Vance Senior Floating-Rate Trust" entered into in the name or on behalf thereof by any of the Trustees, representatives or agents of the Trust are made not individually, but in such capacities, and are not binding upon any of the Trustees, officers, holders of shares of beneficial interest of the Trust or representatives of the Trustees personally, but bind only the Trust assets, and all persons dealing with the Trust must look solely to the Trust property for the enforcement of any claims against the Trust.

21

IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed and delivered by their proper and duly authorized officers as of the date first above written.

EATON VANCE SENIOR
FLOATING-RATE TRUST


By: Thomas E. Faust Jr.

Title: President

DEUTSCHE BANK TRUST
COMPANY AMERICAS


By: Linda Reale Title: Vice President

22

Exhibit (k)(7)

BROKER-DEALER AGREEMENT

between

DEUTSCHE BANK TRUST COMPANY AMERICAS

and

[NAME OF BROKER-DEALER]

Dated as of [ ], 2004

Relating to

AUCTION PREFERRED SHARES

SERIES A, SERIES B, SERIES C & SERIES D

of

EATON VANCE SENIOR FLOATING-RATE TRUST


BROKER-DEALER AGREEMENT dated as of [ ], 2004, between DEUTSCHE BANK TRUST COMPANY AMERICAS, a New York banking corporation (the "Auction Agent") (not in its individual capacity, but solely as agent of Eaton Vance Senior Flaoting-Rate Trust, a Massachusetts business trust (the "Trust"), pursuant to authority granted to it in the Auction Agency Agreement dated as of
[ ], 2004,, between the Trust and the Auction Agent (the "Auction Agency Agreement")) and [ ] (together with its successors and assigns, "BD").

The Trust proposes to issue 3,940 preferred shares of beneficial interest, par value $0.01 per share, liquidation preference $25,000 per share, designated Series A Auction Preferred Shares, 3,940 preferred shares of beneficial interest, par value $0.01 per share, liquidation preference $25,000 per share, designated Series B Auction Preferred Shares, 3,940 preferred shares of beneficial interest, par value $0.01 per share, liquidation preference $25,000 per share, designated Series C Auction Preferred Shares, and 3,940 preferred shares of beneficial interest, par value $0.01 per share, liquidation preference $25,000 per share, designated Series D Auction Preferred Shares (collectively, the "APS"), pursuant to the Trust's Amended By-laws (as defined below).

The Trust's Amended By-laws provide that the dividend rate on the APS for each Dividend Period therefor after the Initial Dividend Period shall be the Applicable Rate therefor, which in each case, in general shall be the rate per annum that a commercial bank, trust company or other financial institution appointed by the Trust advises resulting from implementation of the Auction Procedures (as defined below). The Board of Trustees of the Trust has adopted a resolution appointing Deutsche Bank Trust Company Americas as Auction Agent for purposes of the Auction Procedures, and pursuant to Section 2.5 of the Auction Agency Agreement, the Trust has requested and directed the Auction Agent to execute and deliver this Agreement.

The Auction Procedures require the participation of one or more Broker-Dealers.

2

NOW, THEREFORE, in consideration of the mutual covenants contained herein, the Auction Agent and BD agree as follows:

I. DEFINITIONS AND RULES OF CONSTRUCTION.

1.1. Terms Defined by Reference to the Amended By-laws. Capitalized terms not defined herein shall have the respective meanings specified in the Amended By-laws of the Trust.

1.2. Terms Defined Herein. As used herein and in the Settlement Procedures (as defined below), the following terms shall have the following meanings, unless the context otherwise requires:

(a) "Amended By-laws" shall mean the By-laws of the Trust, as amended through the date hereof, establishing the powers, preferences and rights of the APS.

(b) "Auction" shall have the meaning specified in Section 3.1 hereof.

(c) "Auction Procedures" shall mean the Auction Procedures that are set forth in Section 9 of Article VII of the Amended By-laws.

(d) "Authorized Officer" shall mean each Director, Vice President, Assistant Vice President, and Associate of the Auction Agent, and every other officer or employee of the Auction Agent designated as an "Authorized Officer" for purposes of this Agreement in a communication to BD.

(e) "BD Officer" shall mean each officer or employee of BD designated as a "BD Officer" for purposes of this Agreement in a communication to the Auction Agent.

(f) "Broker-Dealer Agreement" shall mean this Agreement and any substantially similar agreement between the Auction Agent and a Broker-Dealer.

(g) "Settlement Procedures" shall mean the Settlement Procedures attached hereto as Exhibit A.

1.3. Rules of Construction. Unless the context or use indicates another or different meaning or intent, the following rules shall apply to the construction of this Agreement:

(a) Words importing the singular number shall include the plural number and vice versa.

(b) The captions and headings herein are solely for convenience of reference and shall not constitute a part of this Agreement, nor shall they affect its meaning, construction or effect.

3

(c) The words "hereof," "herein," "hereto," and other words of similar import refer to this Agreement as a whole.

(d) All references herein to a particular time of day shall be to New York City time.

II. NOTIFICATION OF DIVIDEND PERIOD AND ADVANCE NOTICE OF ALLOCATION OF TAXABLE INCOME.

2.1. The provisions contained in paragraph 2 of Article VII of the Amended By-laws concerning the notification of a Special Dividend Period will be followed by the Auction Agent and BD, and the provisions contained therein are incorporated herein by reference in their entirety and shall be deemed to be a part of this Agreement to the same extent as if such provisions were set forth fully herein.

2.2. Except as otherwise provided in paragraph 2 of Article VII of the Amended By-laws, whenever the Trust intends to include any net capital gains or other income subject to regular Federal income tax in any dividend on shares of APS, the Trust will notify the Auction Agent of the amount to be so included at least five Business Days prior to the Auction Date on which the Applicable Rate for such dividend is to be established. Whenever the Auction Agent receives such notice from the Trust, in turn it will notify BD, who, on or prior to such Auction Date, will notify its Beneficial Owners and Potential Beneficial Owners believed to be interested in submitting an Order in the Auction to be held on such Auction Date. Whenever the Trust intends to include any additional amounts in a dividend as provided in paragraph 2 of Article VII of the Amended By-laws, the Trust will notify the Auction Agent of such additional amounts to be so included in such dividend at least five Business Days prior to the applicable Dividend Payment Date. Whenever the Auction Agent receives such notice from the Trust, in turn it will notify the Securities Depository and BD, who, on or prior to the applicable Dividend Payment Date, will notify its Beneficial Owners.

III. THE AUCTION.

3.1. Purpose; Incorporation by Reference of Auction Procedures and Settlement Procedures.

(a) On each Auction Date, the provisions of the Auction Procedures will be followed by the Auction Agent for the purpose of determining the Applicable Rate for the of APS, for the next Dividend Period therefor. Each periodic operation of such procedures is hereinafter referred to as an "Auction."

(b) All of the provisions contained in the Auction Procedures and the Settlement Procedures are incorporated herein by reference in their entirety and shall be deemed to be a part of this Agreement to the same extent as if such provisions were set forth fully herein.

4

(c) BD agrees to act as, and assumes the obligations of and limitations and restrictions placed upon, a Broker-Dealer under this Agreement. BD understands that other Persons meeting the requirements specified in the definition of "Broker-Dealer" contained in Paragraph 10 of Article VII of the Amended By-laws may execute a Broker-Dealer Agreement and participate as Broker-Dealers in Auctions.

(d) BD and other Broker-Dealers may participate in Auctions for their own accounts. However, the Trust, by notice to BD and all other Broker Dealers, may prohibit all Broker-Dealers from submitting Bids in Auctions for their own accounts, provided that Broker-Dealers may continue to submit Hold Orders and Sell Orders.

3.2. Preparation for Each Auction.

(a) Not later than 9:30 A.M. on each Auction Date for the APS, the Auction Agent shall advise BD by telephone of the Reference Rate and the Maximum Applicable Rate in effect on such Auction Date.

(b) In the event that the Auction Date for any Auction shall be changed after the Auction Agent has given the notice referred to in paragraph
(a) of the Settlement Procedures, the Auction Agent, by such means as the Auction Agent deems practicable, shall give notice of such change to BD not later than the earlier of 9:15 A.M. on the new Auction Date or 9:15 A.M. on the old Auction Date. Thereafter, BD promptly shall notify customers of BD that BD believes are Beneficial Owners of shares of APS of such change in the Auction Date.

(c) The Auction Agent from time to time may request BD to provide it with a list of the respective customers BD believes are Beneficial Owners of shares of APS. BD shall comply with any such request, and the Auction Agent shall keep confidential any such information, including information received as to the identity of Bidders in any Auction, and shall not disclose any such information so provided to any Person other than the Trust; and such information shall not be used by the Auction Agent or its officers, employees, agents or representatives for any purpose other than such purposes as are described herein. The Auction Agent shall transmit any list of customers BD believes are Beneficial Owners of shares of APS and information related thereto only to its officers, employees, agents or representatives who need to know such information for the purposes of acting in accordance with this Agreement, and the Auction Agent shall prevent the transmission of such information to others and shall cause its officers, employees, agents and representatives to abide by the foregoing confidentiality restrictions; provided, however, that the Auction Agent shall have no responsibility or liability for the actions of any of its officers, employees, agents or representatives after they have left the employ of the Auction Agent.

3.3. Auction Schedule; Method of Submission of Orders.

(a) The Trust and the Auction Agent shall conduct Auctions for APS in accordance with the schedule set forth below. Such schedule may be changed at any time by the Auction Agent with the consent of the Trust, which consent shall not be withheld unreasonably. The

5

Auction Agent shall give notice of any such change to BD. Such notice shall be received prior to the first Auction Date on which any such change shall be effective.

          Time                                Event
          ----                                -----
By:     9:30 A.M.              Auction Agent advises the Trust and
                               Broker-Dealers of the Reference Rate
                               and the Maximum

9:30 A.M. - 1:30 P.M.          Applicable Rate as set forth in
                               Section 3.2(a) hereof

                               Auction Agent assembles information
                               communicated to it by Broker-Dealers
                               as provided in Section 9(d)(i) of
                               Article VII of the Amended By-laws.
                               Submission Deadline is 1:30 P.M.

Not earlier than 1:30 P.M.     Auction Agent makes determinations
                               pursuant to Section 9(d)(i) of Article
                               VII of the Amended By-laws.

By approximately 3:00 P.M.     Auction Agent advises the Trust of the
                               results of the Auction as provided in
                               Section 9(d)(ii) of Article VII of the
                               Amended By-laws. Submitted Bids and
                               Submitted  Sell Orders are accepted
                               and rejected in whole or in part and
                               shares of APS are allocated as
                               provided in Section 9(e) of Article
                               VII of the Amended By-laws. Auction
                               Agent gives notice of the Auction
                               results as set forth in Section 3.4(a)
                               hereof.

(b) BD agrees to maintain a list of Potential Beneficial Owners and to contact the Potential Beneficial Owners on such list on or prior to each Auction Date for the purposes set forth in Section 9 of Article VII of the Amended By-laws.

(c) BD shall submit Orders to the Auction Agent in writing in substantially the form attached hereto as Exhibit B. BD shall submit separate Orders to the Auction Agent for each Potential Beneficial Owner or Beneficial Owner on whose behalf BD is submitting an Order and

6

shall not net or aggregate the Orders of Potential Beneficial Owners or Beneficial Owners on whose behalf BD is submitting Orders.

(d) BD shall deliver to the Auction Agent (i) a written notice, substantially in the form attached hereto as Exhibit C, of transfers of shares of APS, made through BD by an Existing Holder to another Person other than pursuant to an Auction, and (ii) a written notice, substantially in the form attached hereto as Exhibit D, of the failure of shares of APS to be transferred to or by any Person that purchased or sold shares of APS through BD pursuant to an Auction. The Auction Agent is not required to accept any notice delivered pursuant to the terms of the foregoing sentence with respect to an Auction unless it is received by the Auction Agent by 3:00 P.M. on the Business Day next preceding the applicable Auction Date.

3.4. Notice of Auction Results.

(a) On each Auction Date, the Auction Agent shall notify BD by telephone as set forth in paragraph (a) of the Settlement Procedures. On the Business Day next succeeding such Auction Date, the Auction Agent shall notify BD in writing of the disposition of all Orders submitted by BD in the Auction held on such Auction Date.

(b) BD shall notify each Beneficial Owner, Potential Beneficial Owner, Existing Holder or Potential Holder on whose behalf BD has submitted an Order as set forth in paragraph (b) of the Settlement Procedures, and take such other action as is required of BD pursuant to the Settlement Procedures.

If any Beneficial Owner or Existing Holder selling shares of APS in an Auction fails to deliver such shares, the BD of any Person that was to have purchased shares of APS in such Auction may deliver to such Person a number of whole shares of APS that is less than the number of shares that otherwise was to be purchased by such Person. In such event, the number of shares of APS to be so delivered shall be determined by such BD. Delivery of such lesser number of shares shall constitute good delivery. Upon the occurrence of any such failure to deliver shares, such BD shall deliver to the Auction Agent the notice required by Section 3.3(d)(ii) hereof. Notwithstanding the foregoing terms of this Section 3.4(b), any delivery or non-delivery of shares of APS which represents any departure from the results of an Auction, as determined by the Auction Agent, shall be of no effect unless and until the Auction Agent shall have been notified of such delivery or non-delivery in accordance with the terms of Section 3.3(d) hereof. The Auction Agent shall have no duty or liability with respect to enforcement of this Section 3.4(b).

3.5. Service Charge to Be Paid to BD.

On the Business Day next succeeding each Auction Date, the Auction Agent shall pay to BD from moneys received from the Trust an amount equal to:
(a) in the case of any Auction Date immediately preceding a Dividend Period of 7 days or less, the product of (i) a fraction the numerator of which is the number of days in such Dividend Period and the denominator of which is 365, times (ii) 1/4 of 1%, times (iii) $25,000, times (iv) the sum of (A) the aggregate number of APS placed by BD in the applicable Auction that were (x) the subject of a Submitted Bid of a

7

Beneficial Owner submitted by BD and continued to be held as a result of such submission and (y) the subject of a Submitted Bid of a Potential Beneficial Owner submitted by BD and were purchased as a result of such submission plus (B) the aggregate number of APS subject to valid Hold Orders (determined in accordance with Section 9 of Article VII of the Amended By-laws) submitted to the Auction Agent by BD plus (C) the number of APS deemed to be subject to Hold Orders by Beneficial Owners pursuant to Section 9 of Article VII of the Amended By-laws that were acquired by such Beneficial Owners through BD; and (b) in the case of any Auction Date immediately preceding a Special Dividend Period, that amount as mutually agreed upon by the Trust and BD, based on the selling concession that would be applicable to an underwriting of fixed or variable rate preferred shares with a similar final maturity or variable rate dividend period, at the commencement of such Special Dividend Period.

For purposes of sub-clause (a)(iv)(C) of the foregoing sentence, if any Beneficial Owner who acquired shares of APS through BD transfers those shares to another Person other than pursuant to an Auction, then the Broker-Dealer for the shares so transferred shall continue to be BD, provided, however, that if the transfer was effected by, or if the transferee is, a Broker-Dealer other than BD, then such Broker-Dealer shall be the Broker-Dealer for such shares.

IV. THE AUCTION AGENT.

4.1. Duties and Responsibilities.

(a) The Auction Agent is acting solely as agent for the Trust hereunder and owes no fiduciary duties to any other Person by reason of this Agreement.

(b) The Auction Agent undertakes to perform such duties and only such duties as are set forth specifically in this Agreement, and no implied covenants or obligations shall be read into this Agreement against the Auction Agent.

(c) In the absence of bad faith or negligence on its part, the Auction Agent shall not be liable for any action taken, suffered or omitted by it, or for any error of judgment made by it in the performance of its duties under this Agreement. The Auction Agent shall not be liable for any error of judgment made in good faith unless the Auction Agent shall have been negligent in ascertaining (or failing to ascertain) the pertinent facts.

4.2. Rights of the Auction Agent.

(a) The Auction Agent may rely upon, and shall be protected in acting or refraining from acting upon, any communication authorized by this Agreement and any written instruction, notice, request, direction, consent, report, certificate, share certificate or other instrument, paper or document believed by it to be genuine. The Auction Agent shall not be liable for acting upon any telephone communication authorized by this Agreement which the Auction Agent believes in good faith to have been given by the Trust or by BD. The Auction Agent may record telephone communications with BD.

8

(b) The Auction Agent may consult with counsel of its own choice, and the advice of such counsel shall be full and complete authorization and protection in respect of any action taken, suffered or omitted by it hereunder in good faith and in reliance thereon.

(c) The Auction Agent shall not be required to advance, expend or risk its own funds or otherwise incur or become exposed to financial liability in the performance of its duties hereunder.

(d) The Auction Agent may perform its duties and exercise its rights hereunder either directly or by or through agents or attorneys.

4.3. Auction Agent's Disclaimer. The Auction Agent makes no representation as to the validity or adequacy of this Agreement or the APS.

V. MISCELLANEOUS.

5.1. Termination. Any party may terminate this Agreement at any time upon five days' prior written notice to the other party; provided, however, that if BD is [ ], [ ] [ ], [ ], or [ ], neither BD nor the Auction Agent may terminate this Agreement without first obtaining the prior written consent of the Trust to such termination, which consent shall not be withheld unreasonably.

5.2. Participant in Securities Depository; Payment of Dividends in Same-Day Funds.

(a) BD is, and shall remain for the term of this Agreement, a member of, or a participant in, the Securities Depository (or an affiliate of such a member or participant).

(b) BD represents that it (or if BD does not act as Agent Member, one of its affiliates) shall make all dividend payments on the APS available in same-day funds on each Dividend Payment Date to customers that use BD (or its affiliate) as Agent Member.

5.3. Agent Member. At the date hereof, BD is a participant of the Securities Depository.

5.4. Communications. Except for (i) communications authorized to be made by telephone pursuant to this Agreement or the Auction Procedures and (ii) communications in connection with the Auctions (other than those expressly required to be in writing), all notices, requests and other communications to any party hereunder shall be in writing (including telecopy or similar writing) and shall be given to such party at its address or telecopier number set forth below:

9

If to BD,
addressed to:              [                  ]
                           [ADDRESS]
                           [       ]
                           Attention: [       ]
                           Telecopier No.: (  )
                           Telephone No.: (   )

If to the Auction:         Deutsche Bank Trust Company Americas
addressed to:              Corporate Trust and Agency Services
                           60 Wall Street
                           27th Floor
                           New York, NY 10005
                           Attention: Auction Rate Securities
                           Telecopier No.: (212) 797-8600
                           Telephone No.: (212) 250-6645

or such other address or telecopier number as such party hereafter may specify for such purpose by notice to the other party. Each such notice, request or communication shall be effective when delivered at the address specified herein. Communications shall be given on behalf of BD by a BD Officer and on behalf of the Auction Agent by an Authorized Officer. BD may record telephone communications with the Auction Agent.

5.5. Entire Agreement. This Agreement contains the entire agreement between the parties relating to the subject matter hereof, and there are no other representations, endorsements, promises, agreements or understandings, oral, written or inferred, between the parties relating to the subject matter hereof.

5.6. Benefits. Nothing in this Agreement, express or implied, shall give to any person, other than the Trust, the Auction Agent and BD and their respective successors and assigns, any benefit of any legal or equitable right, remedy or claim under this Agreement.

5.7. Amendment; Waiver.

(a) This Agreement shall not be deemed or construed to be modified, amended, rescinded, canceled or waived, in whole or in part, except by a written instrument signed by a duly authorized representative of the party to be charged.

(b) Failure of either party to this Agreement to exercise any right or remedy hereunder in the event of a breach of this Agreement by the other party shall not constitute a waiver of any such right or remedy with respect to any subsequent breach.

5.8. Successors and Assigns. This Agreement shall be binding upon, inure to the benefit of, and be enforceable by, the respective successors and permitted assigns of each of BD and the Auction Agent. This Agreement may not be assigned by either party hereto absent the

10

prior written consent of the other party; provided, however, that this Agreement may be assigned by the Auction Agent to a successor Auction Agent selected by the Trust without the consent of BD.

5.9. Severability. If any clause, provision or section of this Agreement shall be ruled invalid or unenforceable by any court of competent jurisdiction, the invalidity or unenforceability of such clause, provision or section shall not affect any remaining clause, provision or section hereof.

5.10. Execution in Counterparts. This Agreement may be executed in several counterparts, each of which shall be an original and all of which shall constitute but one and the same instrument.

5.11. Governing Law. This Agreement shall be governed by and construed in accordance with the laws of the State of New York applicable to agreements made and to be performed in said state.

IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed and delivered by their proper and duly authorized officers as of the date first above written.

DEUTSCHE BANK TRUST COMPANY AMERICAS


By:


Title:

[ ]


By:


Title:

11

EXHIBIT A

SETTLEMENT PROCEDURES

9.(a) Certain definitions. As used in this paragraph 9, the following terms shall have the following meanings, unless the context otherwise requires:

(i) "APS" means the shares of APS being auctioned pursuant to this paragraph 9.

(ii) "Auction Date" means the first Business Day preceding the first day of a Dividend Period.

(iii) "Available APS" has the meaning specified in paragraph 9(d)(i) below.

(iv) "Bid" has the meaning specified in paragraph 9(b)(i) below.

(v) "Bidder" has the meaning specified in paragraph 9(b)(i) below.

(vi) "Hold Order" has the meaning specified in paragraph 9(b)(i) below.

(vii) "Maximum Applicable Rate" for any Dividend Period will be the higher of the Applicable Percentage of the Reference Rate or the Applicable Spread Over the Reference Rate. The Applicable Percentage will be determined based on the credit rating assigned on such date to such shares by Fitch and Moody's (or if Fitch or Moody's shall not make such rating available, the equivalent of such rating by a Substitute Rating Agency) as follows:

       CREDIT RATINGS
   -----------------------    APPLICABLE PERCENTAGE   APPLICABLE SPREAD
   MOODY'S       S&P/FITCH      OF REFERENCE RATE    OVER REFERENCE RATE
   --------      ---------    ---------------------  -------------------
     Aaa            AAA              125%                125 bps
  Aa3 to Aa1     AA- to AA+          150%                150 bps
   A3 to A1       A- to A+           200%                200 bps
 Baa3 to Baa1  BBB- to BBB+          250%                250 bps
Ba1 and lower  BB+ and lower         300%                300 bps

The Fund shall take all reasonable action necessary to enable Fitch and Moody's to provide a rating for each series of APS. If Fitch or Moody's shall not make such a rating available, Eaton Vance Management or its affiliates and successors, after consultation with the Fund, shall select a nationally recognized statistical rating organization to act as a Substitute Rating Agency.

(viii) "Order" has the meaning specified in paragraph 9(b)(i) below.

(ix) "Sell Order" has the meaning specified in paragraph 9(b)(i) below.

(x) "Submission Deadline" means 1:30 p.m., New York City time, on any Auction Date or such other time on any Auction Date as may be specified by the Auction Agent from time to time as the time by which each Broker-Dealer must submit to the Auction Agent in writing all Orders obtained by it for the Auction to be conducted on such Auction Date.

(xi) "Submitted Bid" has the meaning specified in paragraph 9(d)(i) below.

(xii) "Submitted Hold Order" has the meaning specified in paragraph 9(d)(i) below.

(xiii) "Submitted Order" has the meaning specified in paragraph 9(d)(i) below.

(xiv) "Submitted Sell Order" has the meaning specified in paragraph 9(d)(i) below.

12

(xv) "Sufficient Clearing Bids" has the meaning specified in paragraph 9(d)(i) below. (xvi) "Winning Bid Rate" has the meaning specified in paragraph 9(d)(i) below.

(b) Orders by Beneficial Owners, Potential Beneficial Owners, Existing Holders and Potential Holders.

(i) Unless otherwise permitted by the Trust, Beneficial Owners and Potential Beneficial Owners may only participate in Auctions through their Broker-Dealers. Broker-Dealers will submit the Orders of their respective customers who are Beneficial Owners and Potential Beneficial Owners to the Auction Agent, designating themselves as Existing Holders in respect of shares subject to Orders submitted or deemed submitted to them by Beneficial Owners and as Potential Holders in respect of shares subject to Orders submitted to them by Potential Beneficial Owners. A Broker-Dealer may also hold shares of APS in its own account as a Beneficial Owner. A Broker-Dealer may thus submit Orders to the Auction Agent as a Beneficial Owner or a Potential Beneficial Owner and therefore participate in an Auction as an Existing Holder or Potential Holder on behalf of both itself and its customers. On or prior to the Submission Deadline on each Auction Date:

(A) each Beneficial Owner may submit to its Broker-Dealer information as to:

(1) the number of Outstanding shares, if any, of APS held by such Beneficial Owner which such Beneficial Owner desires to continue to hold without regard to the Applicable Rate for the next succeeding Dividend Period;

(2) the number of Outstanding shares, if any, of APS held by such Beneficial Owner which such Beneficial Owner desires to continue to hold, provided that the Applicable Rate for the next succeeding Dividend Period shall not be less than the rate per annum specified by such Beneficial Owner; and/or

(3) the number of Outstanding shares, if any, of APS held by such Beneficial Owner which such Beneficial Owner offers to sell without regard to the Applicable Rate for the next succeeding Dividend Period; and

(B) each Broker-Dealer, using a list of Potential Beneficial Owners that shall be maintained in good faith for the purpose of conducting a competitive Auction, shall contact Potential Beneficial Owners, including Persons that are not Beneficial Owners, on such list to determine the number of Outstanding shares, if any, of APS which each such Potential Beneficial Owner offers to purchase, provided that the Applicable Rate for the next succeeding Dividend Period shall not be less than the rate per annum specified by such Potential Beneficial Owner.

For the purposes hereof, the communication by a Beneficial Owner or Potential Beneficial Owner to a Broker-Dealer, or the communication by a Broker-Dealer acting for its own account to the Auction Agent, of information referred to in clause (A) or (B) of this paragraph 9(b)(i) is hereinafter referred to as an "Order" and each Beneficial Owner and each Potential Beneficial Owner placing an Order, including a Broker-Dealer acting in such capacity for its own account, is hereinafter referred to as a "Bidder"; an Order containing the information referred to in clause (A)(1) of this paragraph 9(b)(i) is hereinafter referred to as a "Hold Order"; an Order containing the information referred to in clause (A)(2) or (B) of this paragraph 9(b)(i) is hereinafter referred to as a "Bid"; and an Order containing the information referred to in clause (A)(3) of this paragraph 9(b)(i) is hereinafter referred to as a "Sell Order". Inasmuch as a Broker-Dealer participates in an Auction as an Existing Holder or a Potential Holder only to represent the interests of a Beneficial Owner or Potential Beneficial Owner, whether it be its customers or itself, all discussion herein relating to the consequences of an Auction for Existing Holders and Potential Holders also applies to the underlying beneficial ownership interests represented.

(ii) (A) A Bid by an Existing Holder shall constitute an irrevocable offer to sell:

(1) the number of Outstanding shares of APS specified in such Bid if the Applicable Rate determined on such Auction Date shall be less than the rate per annum specified in such Bid; or (1) such number or a lesser number of Outstanding shares of APS to be determined as set forth in paragraph 9(e)(i)(D) if the Applicable Rate determined on such Auction Date shall be equal to the rate per annum specified therein; or

13

(2) a lesser number of Outstanding shares of APS to be determined as set forth in paragraph 9(e)(ii)(C) if such specified rate per annum shall be higher than the Maximum Applicable Rate and Sufficient Clearing Bids do not exist.

(B) A Sell Order by an Existing Holder shall constitute an irrevocable offer to sell:

(1) the number of Outstanding shares of APS specified in such Sell Order; or

(2) such number or a lesser number of Outstanding shares of APS to be determined as set forth in paragraph 9(e)(ii)(C) if Sufficient Clearing Bids do not exist.

(C) A Bid by a Potential Holder shall constitute an irrevocable offer to purchase:

(1) the number of Outstanding shares of APS specified in such Bid if the Applicable Rate determined on such Auction Date shall be higher than the rate per annum specified in such Bid; or

(2) such number or a lesser number of Outstanding shares of APS to be determined as set forth in paragraph 9(e)(i)(E) if the Applicable Rate determined on such Auction Date shall be equal to the rate per annum specified therein.

(c) Submission of Orders by Broker-Dealers to Auction Agent

(i) Each Broker-Dealer shall submit in writing or through the Auction Agent's Auction Processing System to the Auction Agent prior to the Submission Deadline on each Auction Date all Orders obtained by such Broker-Dealer, designating itself (unless otherwise permitted by the Trust) as an Existing Holder in respect of shares subject to Orders submitted or deemed submitted to it by Beneficial Owners and as a Potential Holder in respect of shares subject to Orders submitted to it by Potential Beneficial Owners, and specifying with respect to each Order:

(A) the name of the Bidder placing such Order (which shall be the Broker-Dealer unless otherwise permitted by the Trust);

(B) the aggregate number of Outstanding shares of APS that are the subject of such Order;

(C) to the extent that such Bidder is an Existing Holder:

(1)the number of Outstanding shares, if any, of APS subject to any Hold Order placed by such Existing Holder;

(2)the number of Outstanding shares, if any, of APS subject to any Bid placed by such Existing Holder and the rate per annum specified in such Bid; and

(3)the number of Outstanding shares, if any, of APS subject to any Sell Order placed by such Existing Holder; and

(D) to the extent such Bidder is a Potential Holder, the rate per annum specified in such Potential Holder's Bid.

(ii) If any rate per annum specified in any Bid contains more than three figures to the right of the decimal point, the Auction Agent shall round such rate up to the next highest one-thousandth (.001) of 1%.

(iii) If an Order or Orders covering all of the Outstanding shares of APS held by an Existing Holder are not submitted to the Auction Agent prior to the Submission Deadline, the Auction Agent shall deem a Hold Order (in the case of an Auction relating to a Dividend Period which is not a Special Dividend Period) and a Sell Order (in the case of an Auction relating to a Special Dividend Period) to have been submitted on behalf of such Existing Holder

14

covering the number of Outstanding shares of APS held by such Existing Holder and not subject to Orders submitted to the Auction Agent.

(iv) If one or more Orders on behalf of an Existing Holder covering in the aggregate more than the number of Outstanding shares of APS held by such Existing Holder are submitted to the Auction Agent, such Order shall be considered valid as follows and in the following order of priority:

(A) any Hold Order submitted on behalf of such Existing Holder shall be considered valid up to and including the number of Outstanding shares of APS held by such Existing Holder; provided that if more than one Hold Order is submitted on behalf of such Existing Holder and the number of shares of APS subject to such Hold Orders exceeds the number of Outstanding shares of APS held by such Existing Holder, the number of shares of APS subject to each of such Hold Orders shall be reduced pro rata so that such Hold Orders, in the aggregate, will cover exactly the number of Outstanding shares of APS held by such Existing Holder;

(B) any Bids submitted on behalf of such Existing Holder shall be considered valid, in the ascending order of their respective rates per annum if more than one Bid is submitted on behalf of such Existing Holder, up to and including the excess of the number of Outstanding shares of APS held by such Existing Holder over the number of shares of APS subject to any Hold Order referred to in paragraph 9(c)(iv)(A) above (and if more than one Bid submitted on behalf of such Existing Holder specifies the same rate per annum and together they cover more than the remaining number of shares that can be the subject of valid Bids after application of paragraph 9(c)(iv)(A) above and of the foregoing portion of this paragraph 9(c)(iv)(B) to any Bid or Bids specifying a lower rate or rates per annum, the number of shares subject to each of such Bids shall be reduced pro rata so that such Bids, in the aggregate, cover exactly such remaining number of shares); and the number of shares, if any, subject to Bids not valid under this paragraph 9(c)(iv)(B) shall be treated as the subject of a Bid by a Potential Holder; and

(C) any Sell Order shall be considered valid up to and including the excess of the number of Outstanding shares of APS held by such Existing Holder over the number of shares of APS subject to Hold Orders referred to in paragraph 9(c)(iv)(A) and Bids referred to in paragraph 9(c)(iv)(B); provided that if more than one Sell Order is submitted on behalf of any Existing Holder and the number of shares of APS subject to such Sell Orders is greater than such excess, the number of shares of APS subject to each of such Sell Orders shall be reduced pro rata so that such Sell Orders, in the aggregate, cover exactly the number of shares of APS equal to such excess.

(v) If more than one Bid is submitted on behalf of any Potential Holder, each Bid submitted shall be a separate Bid with the rate per annum and number of shares of APS therein specified.

(vi) Any Order submitted by a Beneficial Owner as a Potential Beneficial Owner to its Broker-Dealer, or by a Broker-Dealer to the Auction Agent, prior to the Submission Deadline on any Auction Date shall be irrevocable.

(d) Determination of Sufficient Clearing Bids, Winning Bid Rate and Applicable Rate.

(i) Not earlier than the Submission Deadline on each Auction Date, the Auction Agent shall assemble all Orders submitted or deemed submitted to it by the Broker-Dealers (each such Order as submitted or deemed submitted by a Broker-Dealer being hereinafter referred to individually as a "Submitted Hold Order", a "Submitted Bid" or a "Submitted Sell Order", as the case may be, or as a "Submitted Order") and shall determine:

(A) the excess of the total number of Outstanding shares of APS over the number of Outstanding shares of APS that are the subject of Submitted Hold Orders (such excess being hereinafter referred to as the "Available APS");

(B) from the Submitted Orders whether the number of Outstanding shares of APS that are the subject of Submitted Bids by Potential Holders specifying one or more rates per annum equal to or lower than the Maximum Applicable Rate exceeds or is equal to the sum of:

15

(1) the number of Outstanding shares of APS that are the subject of Submitted Bids by Existing Holders specifying one or more rates per annum higher than the Maximum Applicable Rate, and

(2) the number of Outstanding shares of APS that are subject to Submitted Sell Orders (if such excess or such equality exists (other than because the number of Outstanding shares of APS in clause (1) above and this clause (2) are each zero because all of the Outstanding shares of APS are the subject of Submitted Hold Orders), such Submitted Bids by Potential Holders being hereinafter referred to collectively as "Sufficient Clearing Bids"); and

(C) if Sufficient Clearing Bids exist, the lowest rate per annum specified in the Submitted Bids (the "Winning Bid Rate") that if:

(1) each Submitted Bid from Existing Holders specifying the Winning Bid Rate and all other Submitted Bids from Existing Holders specifying lower rates per annum were rejected, thus entitling such Existing Holders to continue to hold the shares of APS that are the subject of such Submitted Bids, and

(2) each Submitted Bid from Potential Holders specifying the Winning Bid Rate and all other Submitted Bids from Potential Holders specifying lower rates per annum were accepted, thus entitling the Potential Holders to purchase the shares of APS that are the subject of such Submitted Bids, would result in the number of shares subject to all Submitted Bids specifying the Winning Bid Rate or a lower rate per annum being at least equal to the Available APS.

(ii) Promptly after the Auction Agent has made the determinations pursuant to paragraph 9(d)(i), the Auction Agent shall advise the Trust of the Maximum Applicable Rate and, based on such determinations, the Applicable Rate for the next succeeding Dividend Period as follows:

(A) if Sufficient Clearing Bids exist, that the Applicable Rate for the next succeeding Dividend Period shall be equal to the Winning Bid Rate;

(B) if Sufficient Clearing Bids do not exist (other than because all of the Outstanding shares of APS are the subject of Submitted Hold Orders), that the Applicable Rate for the next succeeding Dividend Period shall be equal to the Maximum Applicable Rate; or

(C) if all of the Outstanding shares of APS are the subject of Submitted Hold Orders, that the Dividend Period next succeeding the Auction shall automatically be the same length as the immediately preceding Dividend Period and the Applicable Rate for the next succeeding Dividend Period shall be equal to 40% of the Reference Rate (or 60% of such rate if the Trust has provided notification to the Auction Agent prior to the Auction establishing the Applicable Rate for any dividend pursuant to paragraph 2(f) hereof that net capital gains or other taxable income will be included in such dividend on shares of APS) on the date of the Auction.

(e) Acceptance and Rejection of Submitted Bids and Submitted Sell Orders and Allocation of Shares. Based on the determinations made pursuant to paragraph 9(d)(i), the Submitted Bids and Submitted Sell Orders shall be accepted or rejected and the Auction Agent shall take such other action as set forth below:

(i) If Sufficient Clearing Bids have been made, subject to the provisions of paragraph 9(e)(iii) and paragraph 9(e)(iv), Submitted Bids and Submitted Sell Orders shall be accepted or rejected in the following order of priority and all other Submitted Bids shall be rejected:

(A) the Submitted Sell Orders of Existing Holders shall be accepted and the Submitted Bid of each of the Existing Holders specifying any rate per annum that is higher than the Winning Bid Rate shall be accepted, thus requiring each such Existing Holder to sell the Outstanding shares of APS that are the subject of such Submitted Sell Order or Submitted Bid;

16

(B) the Submitted Bid of each of the Existing Holders specifying any rate per annum that is lower than the Winning Bid Rate shall be rejected, thus entitling each such Existing Holder to continue to hold the Outstanding shares of APS that are the subject of such Submitted Bid;

(C) the Submitted Bid of each of the Potential Holders specifying any rate per annum that is lower than the Winning Bid Rate shall be accepted;

(D) the Submitted Bid of each of the Existing Holders specifying a rate per annum that is equal to the Winning Bid Rate shall be rejected, thus entitling each such Existing Holder to continue to hold the Outstanding shares of APS that are the subject of such Submitted Bid, unless the number of Outstanding shares of APS subject to all such Submitted Bids shall be greater than the number of Outstanding shares of APS ("Remaining Shares") equal to the excess of the Available APS over the number of Outstanding shares of APS subject to Submitted Bids described in paragraph 9(e)(i)(B) and paragraph
9(e)(i)(C), in which event the Submitted Bids of each such Existing Holder shall be accepted, and each such Existing Holder shall be required to sell Outstanding shares of APS, but only in an amount equal to the difference between (1) the number of Outstanding shares of APS then held by such Existing Holder subject to such Submitted Bid and (2) the number of shares of APS obtained by multiplying (x) the number of Remaining Shares by (y) a fraction the numerator of which shall be the number of Outstanding shares of APS held by such Existing Holder subject to such Submitted Bid and the denominator of which shall be the sum of the number of Outstanding shares of APS subject to such Submitted Bids made by all such Existing Holders that specified a rate per annum equal to the Winning Bid Rate; and

(E) the Submitted Bid of each of the Potential Holders specifying a rate per annum that is equal to the Winning Bid Rate shall be accepted but only in an amount equal to the number of Outstanding shares of APS obtained by multiplying (x) the difference between the Available APS and the number of Outstanding shares of APS subject to Submitted Bids described in paragraph 9(e)(i)(B), paragraph 9(e)(i)(C) and paragraph 9(e)(i)(D) by (y) a fraction the numerator of which shall be the number of Outstanding shares of APS subject to such Submitted Bid and the denominator of which shall be the sum of the number of Outstanding shares of APS subject to such 74 Submitted Bids made by all such Potential Holders that specified rates per annum equal to the Winning Bid Rate.

(ii) If Sufficient Clearing Bids have not been made (other than because all of the Outstanding shares of APS are subject to Submitted Hold Orders), subject to the provisions of paragraph 9(e)(iii), Submitted Orders shall be accepted or rejected as follows in the following order of priority and all other Submitted Bids shall be rejected:

(A) the Submitted Bid of each Existing Holder specifying any rate per annum that is equal to or lower than the Maximum Applicable Rate shall be rejected, thus entitling such Existing Holder to continue to hold the Outstanding shares of APS that are the subject of such Submitted Bid;

(B) the Submitted Bid of each Potential Holder specifying any rate per annum that is equal to or lower than the Maximum Applicable Rate shall be accepted, thus requiring such Potential Holder to purchase the Outstanding shares of APS that are the subject of such Submitted Bid; and

(C) the Submitted Bids of each Existing Holder specifying any rate per annum that is higher than the Maximum Applicable Rate shall be accepted and the Submitted Sell Orders of each Existing Holder shall be accepted, in both cases only in an amount equal to the difference between (1) the number of Outstanding shares of APS then held by such Existing Holder subject to such Submitted Bid or Submitted Sell Order and (2) the number of shares of APS obtained by multiplying (x) the difference between the Available APS and the aggregate number of Outstanding shares of APS subject to Submitted Bids described in paragraph 9(e)(ii)(A) and paragraph 9(e)(ii)(B) by (y) a fraction the numerator of which shall be the number of Outstanding shares of APS held by such Existing Holder subject to such Submitted Bid or Submitted Sell Order and the denominator of which shall be the number of Outstanding shares of APS subject to all such Submitted Bids and Submitted Sell Orders.

17

(iii) If, as a result of the procedures described in paragraph 9(e)(i) or paragraph 9(e)(ii), any Existing Holder would be entitled or required to sell, or any Potential Holder would be entitled or required to purchase, a fraction of a share of APS on any Auction Date, the Auction Agent shall, in such manner as in its sole discretion it shall determine, round up or down the number of shares of APS to be purchased or sold by any Existing Holder or Potential Holder on such Auction Date so that each Outstanding share of APS purchased or sold by each Existing Holder or Potential Holder on such Auction Date shall be a whole share of APS.

(iv) If, as a result of the procedures described in paragraph 9(e)(i), any Potential Holder would be entitled or required to purchase less than a whole share of APS on any Auction Date, the Auction Agent shall, in such manner as in its sole discretion it shall determine, allocate shares of APS for purchase among Potential Holders so that only whole shares of APS are purchased on such Auction Date by any Potential Holder, even if such allocation results in one or more of such Potential Holders not purchasing any shares of APS on such Auction Date.

(v) Based on the results of each Auction, the Auction Agent shall determine, with respect to each Broker-Dealer that submitted Bids or Sell Orders on behalf of Existing Holders or Potential Holders, the aggregate number of Outstanding shares of APS to be purchased and the aggregate number of the Outstanding shares of APS to be sold by such Potential Holders and Existing Holders and, to the extent that such aggregate number of Outstanding shares to be purchased and such aggregate number of Outstanding shares to be sold differ, the Auction Agent shall determine to which other Broker-Dealer or Broker-Dealers acting for one or more purchasers such Broker-Dealer shall deliver, or from which other Broker-Dealer or Broker-Dealers acting for one or more sellers such Broker-Dealer shall receive, as the case may be, Outstanding shares of APS

(f) Miscellaneous. The Trust may interpret the provisions of this paragraph 9 to resolve any inconsistency or ambiguity, remedy any formal defect or make any other change or modification that does not substantially adversely affect the rights of Beneficial Owners of APS. A Beneficial Owner or an Existing Holder (A) may sell, transfer or otherwise dispose of shares of APS only pursuant to a Bid or Sell Order in accordance with the procedures described in this paragraph 9 or to or through a Broker-Dealer, provided that in the case of all transfers other than pursuant to Auctions such Beneficial Owner or Existing Holder, its Broker-Dealer, if applicable, or its Agent Member advises the Auction Agent of such transfer and (B) except as otherwise required by law, shall have the ownership of the shares of APS held by it maintained in book entry form by the Securities Depository in the account of its Agent Member, which in turn will maintain records of such Beneficial Owner's beneficial ownership. Neither the Trust nor any Affiliate shall submit an Order in any Auction. Any Beneficial Owner that is an Affiliate shall not sell, transfer or otherwise dispose of shares of APS to any Person other than the Trust. All of the Outstanding shares of APS of a series shall be represented by a single certificate registered in the name of the nominee of the Securities Depository unless otherwise required by law or unless there is no Securities Depository. If there is no Securities Depository, at the Trust's option and upon its receipt of such documents as it deems appropriate, any shares of APS may be registered in the Stock Register in the name of the Beneficial Owner thereof and such Beneficial Owner thereupon will be entitled to receive certificates therefor and required to deliver certificates therefor upon transfer or exchange thereof.

18

EXHIBIT B

DEUTSCHE BANK TRUST COMPANY
AUCTION BID FORM

Submit To:    Deutsche Bank Trust Company             Issue: Eaton Vance Senior
              Corporate Trust and Agency Group               Floating-Rate Trust
              100 Plaza One
              Jersey City, New Jersey  07311
              Attention: Auction Rate Securities
              Telecopier No.: (212) 797-8600
              Telephone No.: (212) 250-6645

The undersigned Broker-Dealer submits the following Order on behalf of the Bidder listed below:

Name of Bidder: ________________________

BENEFICIAL OWNER

Shares now held  _______________            HOLD _____________
                                            BID at rate of _____________
                                            SELL_____________

POTENTIAL BENEFICIAL OWNER

# of shares bid _____________
BID at rate of _____________ Notes:

(1) If submitting more than one Bid for one Bidder, use additional Auction Bid Forms.

(2) If one or more Bids covering in the aggregate more than the number of outstanding shares held by any Beneficial Owner are submitted, such bid shall be considered valid in the order of priority set forth in the Auction Procedures on the above issue.

(3) A Hold or Sell Order may be placed only by a Beneficial Owner covering a number of shares not greater than the number of shares currently held.

(4) Potential Beneficial Owners may make only Bids, each of which must specify a rate. If more than one Bid is submitted on behalf of any Potential Beneficial Owner, each Bid submitted shall be a separate Bid with the rate specified.

(5) Bids may contain no more than three figures to the right of the decimal point (.001 of 1%). Fractions will not be accepted.

[Name of Broker-Dealer] ______________________

Authorized Signature ________________________

19

EXHIBIT C

(Note: To be used only for transfers made other than pursuant to an Auction)

TRANSFER FORM

Re: Eaton Vance Senior Floating-Rate Trust Auction Preferred Shares

We are (check one):

[ ] the Existing Holder named below;

[ ] the Broker-Dealer for such Existing Holder; or

[ ] the Agent Member for such Existing Holder.

We hereby notify you that such Beneficial Owner has transferred _____ APS to ____________ .


(Name of Existing Holder)


[ ]


(Name of Agent Member)

By: _____________________________________ Printed Name:
Title:

20

EXHIBIT D

(Note: To be used only for failures to deliver APS sold pursuant to an Auction)

NOTICE OF A FAILURE TO DELIVER

Complete either I or II

I. We are a Broker-Dealer for ____________________ (the "Purchaser"), which purchased _____ shares of APS of Eaton Vance Senior Floating-Rate Trust in the Auction held on ____________________ from the seller of such shares.

II. We are a Broker-Dealer for _____________________ (the "Seller"), which sold ____ shares of APS of Eaton Vance Senior Floating-Rate Trust in the Auction held on ______________ to the Purchaser of such shares.

We hereby notify you that (check one):

_______ the Seller failed to deliver such shares to the Purchaser

_______ the Purchaser failed to make payment to the Seller upon delivery of such shares

Name: _____________________
[ ]

By: _______________________ Printed Name:
Title:

21

IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed and delivered by their proper and duly authorized officers as of the date first above written.

DEUTSCHE BANK TRUST COMPANY AMERICAS


By:


Title:

[ ]


By:


Title:

22

Exhibit (l)

Kirkpatrick & Lockhart LLP
75 State Street
Boston, Massachusetts 02109-1808

January 16, 2004

Mark P. Goshko
617.261-3163
mgoshko@kl.com

Eaton Vance Senior Floating Rate Trust
255 State Street
Boston, MA 02109

Dear Sirs:

This opinion is furnished in connection with the registration by Eaton Vance Senior Floating-Rate Trust, a business trust organized under the laws of the Commonwealth of Massachusetts ("Fund"), of 15,760 Auction Preferred Shares, par value of $.01 per share, having a liquidation preference of $25,000 per share and divided equally between four series, ("Shares"), under the Securities Act of 1933, as amended, pursuant to a registration statement on Form N-2 (File No. 333-111041), as amended ("Registration Statement"), in the amounts set forth under "Amount Being Registered" on the facing page of the Registration Statement.

As counsel for the Fund, we are familiar with the proceedings taken by it in connection with the authorization, issuance and sale of the Shares. In addition, we have examined and are familiar with the Agreement and Declaration of Trust of the Fund, the By-Laws of the Fund, and such other documents as we have deemed relevant to the matters referred to in this opinion.

Based upon the foregoing, we are of the opinion that the Shares, upon issuance and sale in the manner referred to in the Registration Statement, will be legally issued, fully paid and non-assessable (except as described in the Registration Statement) shares of beneficial interest of the Fund.

We hereby consent to the filing of this opinion as an exhibit to the Registration Statement and to the use of our name in the Prospectus constituting a part thereof.

Very truly yours,

/s/ Kirkpatrick & Lockhart LLP

Kirkpatrick & Lockhart LLP


Exhibit (n)

INDEPENDENT AUDITORS' CONSENT

We consent to the use in this Pre-Effective Amendment No. 1 to the Registration Statement of Eaton Vance Senior Floating-Rate Trust on Form N-2 filed by the Fund under the Securities Act of 1933, as amended (the "Act") (Registration No. 333-111041) and under the Investment Company Act of 1940, as amended (the "1940 Act") (Registration No 811-21411) of our report dated November 13, 2003, relating to the financial statements of Eaton Vance Senior Floating-Rate Trust as of November 12,2003, in the Statement of Additional Information which is part of such registration statement.

We also consent to the references to our Firm under the heading "Independent auditors" in the Prospectus and Statement of Additional Information.

/s/ DELOITTE & TOUCHE LLP

DELOITTE & TOUCHE LLP
Boston, Massachusetts
January 16, 2004