MUNIHOLDINGS MICHIGAN INSURED FUND II INC
N-2/A, 1999-09-21
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<PAGE>


  As filed with the Securities and Exchange Commission on September 21, 1999

                                         Securities Act File No. 333-86723
                                      Investment Company Act File No. 811-09483
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------

                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549

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

                                   FORM N-2
[X]         REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
[_]
                      PRE-EFFECTIVE AMENDMENT NO. 1
[_]                      POST-EFFECTIVE AMENDMENT NO.
                                    AND/OR
[X]     REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940

[X]                          AMENDMENT NO. 4
                       (Check appropriate box or boxes)

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

                  MuniHoldings Michigan Insured Fund II, Inc.
              (Exact Name of Registrant as Specified in Charter)

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

                            800 Scudders Mill Road
                         Plainsboro, New Jersey 08536
                   (Address of Principal Executive Offices)

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

                                (609) 282-2800
             (Registrant's Telephone Number, Including Area Code)

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

                                Terry K. Glenn
                  MuniHoldings Michigan Insured Fund II, Inc.
             800 Scudders Mill Road, Plainsboro, New Jersey 08536
       Mailing Address: P.O. Box 9011, Princeton, New Jersey 08543-9011
                    (Name and Address of Agent for Service)

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

                                  Copies to:
     Michael J. Hennewinkel, Esq.               Frank P. Bruno, Esq.
      FUND ASSET MANAGEMENT, L.P.                 BROWN & WOOD LLP
             P.O. Box 9011                     One World Trade Center
   Princeton, New Jersey 08543-9011         New York, New York 10048-0557

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

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 pursuant to Rule 415 under the Securities Act of
1933, as amended (the "Securities Act"), other than securities offered only in
connection with dividend or interest reinvestment plans, check the following
box. [_]

  If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following
box and list the Securities Act registration statement number of the earlier
effective registration statement for the same offering. [_]

  If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration number of the earlier effective registration statement for the
same offering. [_]

  If delivery of the prospectus is expected to be made pursuant to Rule 434
under the Securities Act, please check the following box. [X]

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

       CALCULATION OF REGISTRATION FEE UNDER THE SECURITIES ACT OF 1933
- -------------------------------------------------------------------------------
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<TABLE>
<CAPTION>
                                               Proposed       Proposed
        Title of               Amount          Maximum        Maximum      Amount of
    Securities Being            Being       Offering Price   Aggregate    Registration
       Registered            Registered        Per Unit    Offering Price    Fee(1)
- --------------------------------------------------------------------------------------
<S>                       <C>               <C>            <C>            <C>
Auction Market Preferred
 Stock.................     1,360 Shares       $25,000      $34,000,000      $9,452
</TABLE>
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------

(1) Transmitted to the designated lockbox at Mellon Bank in Pittsburgh, PA.
    $278 was previously paid. $9,174 was transmitted in connection with this
    filing.


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

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+The information contained in this prospectus is not complete 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 it is not soliciting  +
+an offer to buy these securities in any State where the offer or sale is not  +
+permitted.                                                                    +
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
                             SUBJECT TO COMPLETION

              PRELIMINARY PROSPECTUS DATED SEPTEMBER 21, 1999

PROSPECTUS

                                $34,000,000

                  MuniHoldings Michigan Insured Fund II, Inc.

                   Auction Market Preferred Stock ["AMPS(R)"]

                          1,360 Shares, Series A
                    Liquidation Preference $25,000 Per Share

                                  -----------

  MuniHoldings Michigan Insured Fund II, Inc. (the "Fund") is a recently
organized, non-diversified, closed-end management investment company that seeks
to provide shareholders with current income exempt from Federal and Michigan
income taxes. The Fund seeks to achieve its objective by investing primarily in
a portfolio of long-term, investment grade municipal obligations the interest
on which, in the opinion of bond counsel to the issuer, is exempt from Federal
and Michigan income taxes. The Fund intends to invest in municipal obligations
that are rated investment grade or, if unrated, are considered by the Fund's
investment adviser to be of comparable quality. Under normal circumstances, at
least 80% of the Fund's assets will be invested in municipal obligations with
remaining maturities of one year or more that are covered by insurance
guaranteeing the timely payment of principal at maturity and interest.

                                  -----------

  This prospectus contains information you should know before investing,
including information about risks. Please read it before you invest and keep it
for future reference. This Fund's statement of additional information contains
further information about the Fund and is incorporated by reference (legally
considered to be part of this prospectus). You may request a free copy by
writing or calling the Fund at (800) 637-3863.

                                  -----------

  Investing in the AMPS involves certain risks, which are described in the
"Risk Factors and Special Considerations" section beginning on page 5 of this
prospectus.

<TABLE>
<CAPTION>
                                                  Per Share     Total
                                                  ---------- -----------
       <S>                                        <C>        <C>
       Public Offering Price..................... $25,000.00 $34,000,000
       Sales Load................................     $           $
       Proceeds, before expenses, to Fund........     $           $
</TABLE>

  The public offering price per share will be increased by the amount of
accumulated dividends, if any, from the date the shares are first issued.

  Neither the Securities and Exchange Commission nor any state securities
commission has approved or disapproved of these securities or determined if
this prospectus is truthful or complete. Any representation to the contrary is
a criminal offence.

  One certificate for the shares of the AMPS will be ready for delivery to the
nominee of The Depository Trust Company on or about October  , 1999.
- -----
(R) Registered trademark of Merrill Lynch & Co., Inc.

                                  -----------

                              Merrill Lynch & Co.

                                  -----------

                The date of this prospectus is October  , 1999.
<PAGE>

                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                            Page
                                                                            ----
<S>                                                                         <C>
Offering Summary...........................................................   3
Risk Factors and Special Considerations....................................   5
The Fund...................................................................   7
Use of Proceeds............................................................   7
Capitalization.............................................................   8
Portfolio Composition......................................................   8
Investment Objective and Policies..........................................   9
Description of AMPS........................................................  15
The Auction................................................................  20
Rating Agency Guidelines...................................................  28
Investment Advisory and Management Arrangements............................  29
Taxes......................................................................  30
Description of Capital Stock...............................................  31
Custodian..................................................................  33
Underwriting...............................................................  33
Transfer Agent, Dividend Disbursing Agent and Registrar....................  34
Legal Opinions.............................................................  34
Experts....................................................................  34
Year 2000 Issues...........................................................  34
Table of Contents of Statement of Additional Information...................  35
Glossary...................................................................  36
</TABLE>

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

  Information about the Fund can be reviewed and copied at the SEC's Public
Reference Room in Washington, D.C. Call 1-800-SEC-0330 for information on the
operation of the public reference room. This information is also available on
the SEC's Internet site at http://www.sec.gov and copies may be obtained upon
payment of a duplicating fee by writing the Public Reference Section of the
SEC, Washington, D.C. 20549-6009.

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

  You should rely only on the information contained in this prospectus. We have
not, and the underwriter has not, authorized any other person to provide you
with different information. If anyone provides you with different or
inconsistent information, you should not rely on it. We are not, and the
underwriter is not, making an offer to sell these securities in any
jurisdiction where the offer or sale is not permitted. You should assume that
the information appearing in this prospectus is accurate as of the date on the
front cover of this prospectus only. Our business, financial condition, results
of operations and prospects may have changed since that date.

                                       2
<PAGE>

                                OFFERING SUMMARY

  This summary is qualified in its entirety by reference to the detailed
information included in this prospectus and the statement of additional
information.

The Offering
                The Fund is offering a total of 1,360 shares of Auction Market
                Preferred Stock, Series A at a purchase price of $25,000 per
                share plus accumulated dividends, if any, from the date the
                shares are first issued. The shares of AMPS are being offered
                by Merrill Lynch, Pierce, Fenner & Smith Incorporated, as
                underwriter.

                The AMPS will be shares of preferred stock of the Fund that
                entitle their holders to receive cash dividends at an annual
                rate that may vary for the successive dividend periods. In
                general, except as described below, each dividend period
                following the initial dividend period will be seven days. The
                applicable dividend for a particular dividend period will be
                determined by an auction conducted on the business day next
                preceding the start of that dividend period.

                Investors and potential investors in shares of AMPS may
                participate in auctions for the AMPS through their broker-
                dealers.

                Generally, AMPS investors will not receive certificates
                representing ownership of their shares. Ownership of AMPS will
                be maintained in book-entry form by the securities depository
                (The Depository Trust Company) or its nominee for the account
                of the investor's agent member (generally the investor's
                broker-dealer). The investor's agent member, in turn, will
                maintain records of such investor's beneficial ownership of
                AMPS.

Dividends and
Dividend        Dividends on the shares of AMPS will be cumulative from the
Periods         date the shares are first issued and payable beginning on
                October   , 1999. Thereafter, in the case of dividend periods
                that are not special dividend periods, dividends generally will
                be payable on each succeeding Wednesday. After the initial
                dividend period, each dividend period for the shares of AMPS
                will generally consist of seven days; provided, however, that
                before any auction, the Fund may decide, subject to certain
                limitations and only if it gives notice to holders, to declare
                a special dividend period of up to five years.

                Dividends for the shares of AMPS will be paid through the
                securities depository (The Depository Trust Company) on each
                dividend payment date.

                The cash dividend rate on the shares of AMPS for the initial
                dividend period ending October  , 1999 will be  % annualized.
                For each subsequent dividend period, the auction agent (IBJ
                Whitehall Bank & Trust Company or a successor entity) will hold
                an auction to determine the cash dividend rate on the shares of
                AMPS.

Determination   Generally, the applicable dividend rate for any dividend period
of Maximum      for shares of AMPS will be subject to a maximum applicable
Dividend        rate. The maximum applicable rate for shares of AMPS will
Rates           depend on the credit rating assigned to the shares and on the
                length of the dividend period. There is no minimum applicable
                dividend rate for any dividend period.

Asset           Under the Fund's Articles Supplementary creating the AMPS, the
Maintenance     Fund must maintain

                . asset coverage of the AMPS as required by the rating agencies
                  rating the AMPS, and

                . asset coverage of the AMPS of at least 200% as required by
                  the Investment Company Act of 1940.

                                       3
<PAGE>


                The Fund estimates that, based on the composition of its
                portfolio at September 17, 1999, asset coverage of the AMPS as
                required by the Investment Company Act of 1940 would be
                approximately 249% immediately after the Fund issues the shares
                of AMPS offered by this prospectus representing approximately
                40% of the Fund's capital.

Mandatory
Redemption      If the required asset coverage is not maintained or, when
                necessary, restored, the Fund must redeem shares of AMPS at the
                price of $25,000 per share plus accumulated but unpaid
                dividends thereon (whether or not earned or declared). The
                provisions of the Investment Company Act of 1940 may restrict
                the Fund's ability to make such a mandatory redemption.

Optional        The Fund may, at its option, choose to redeem all or a portion
Redemption      of the shares of AMPS on any dividend payment date at the price
                of $25,000 per share, plus accumulated but unpaid dividends
                thereon (whether or not earned or declared) plus any applicable
                premium.

Liquidation
Preference      The liquidation preference (that is, the amount the Fund must
                pay to AMPS shareholders if the Fund is liquidated) of each
                share of AMPS will be $25,000, plus an amount equal to
                accumulated but unpaid dividends (whether or not earned or
                declared).

Ratings         The AMPS will be issued with a rating of "aaa" from Moody's
                Investors Service, Inc. and AAA from Standard & Poor's.

Voting Rights
                The Investment Company Act of 1940 requires that the holders of
                AMPS and any other preferred stock, voting as a separate class,
                have the right to elect at least two directors at all times and
                to elect a majority of the directors at any time when dividends
                on the AMPS or any other preferred stock are unpaid for two
                full years. The Fund's charter and the Investment Company Act
                of 1940 require holders of AMPS and any other preferred stock
                to vote as a separate class on certain other matters.

                                       4
<PAGE>

                    RISK FACTORS AND SPECIAL CONSIDERATIONS

  Michigan Municipal Bonds. The Fund intends to invest the majority of its
portfolio in Michigan municipal bonds. As a result, the Fund is more exposed to
risks affecting issuers of Michigan municipal bonds than is a municipal bond
fund that invests more widely.

  Interest Rate and Credit Risk. The Fund invests in municipal bonds, which are
subject to interest rate and credit risk. Interest rate risk is the risk that
prices of municipal bonds generally increase when interest rates decline and
decrease when interest rates increase. Prices of longer term securities
generally change more in response to interest rate changes than prices of
shorter term securities. Credit risk is the risk that the issuer will be unable
to pay the interest or principal when due. The degree of credit risk depends on
both the financial condition of the issuer and the terms of the obligation.

  Non-diversification. The Fund is registered as a "non-diversified" investment
company. This means that the Fund may invest a greater percentage of its assets
in a single issuer than a diversified investment company. Since the Fund may
invest a relatively high percentage of its assets in a limited number of
issuers, the Fund may be more exposed to the effects of any single economic,
political or regulatory occurrence than a more widely-diversified fund. Even as
a non-diversified fund, the Fund must still meet the diversification
requirements of applicable Federal income tax laws.

  Rating Categories. The Fund intends to invest in municipal bonds that are
rated investment grade by Standard & Poor's, Moody's Investors Service, Inc. or
Fitch IBCA, Inc. It may also invest in unrated municipal bonds that the Fund's
investment adviser believes are of comparable quality. Obligations rated in the
lowest investment grade category have certain speculative characteristics.

  Private Activity Bonds. The Fund may invest in certain tax-exempt securities
classified as "private activity bonds." These bonds may subject certain
investors in the Fund to the alternative minimum tax.

  Portfolio Insurance. The Fund will be subject to certain restrictions on
investments imposed by guidelines of the insurance companies issuing the
portfolio insurance. The Fund does not expect these guidelines to prevent the
Fund's investment adviser from managing the Fund's portfolio in accordance with
the Fund's investment objective and policies.

  Indexed and Inverse Floating Rate Securities. The Fund may invest in
securities whose potential returns are directly related to changes in an
underlying index or interest rate, known as indexed securities. The return on
indexed securities will rise when the underlying index or interest rate rises
and fall when the index or interest rate falls. The Fund may also invest in
securities whose return is inversely related to changes in an interest rate
(inverse floaters). In general, income on inverse floaters will decrease when
short term interest rates increase and increase when short term interest rates
decrease. Investments in inverse floaters may subject the Fund to the risks of
reduced or eliminated interest payments and losses of principal. In addition,
certain indexed securities and inverse floaters may increase or decrease in
value at a greater rate than the underlying interest rate, which effectively
leverages the Fund's investment. As a result, the market value of such
securities will generally be more volatile than that of fixed rate, tax exempt
securities. Both indexed securities and inverse floaters are derivative
securities and can be considered speculative.

  Options and Futures Transactions. The Fund may seek to hedge its portfolio
against changes in interest rates using options and financial futures
contracts. The Fund's hedging transactions are designed to reduce volatility,
but come at some cost. For example, the Fund may try to limit its risk of loss
from a decline in price of a portfolio security by purchasing a put option.
However, the Fund must pay for the option, and the price of the security may
not in fact drop. In large part, the success of the Fund's hedging activities
depends on its ability to forecast movements in securities prices and interest
rates. The Fund does not, however, intend to

                                       5
<PAGE>

enter into options and futures transactions for speculative purposes. The Fund
is not required to hedge its portfolio and may choose not to do so. The Fund
cannot guarantee that any hedging strategies it uses will work.

  Antitakeover Provisions. The Fund's charter includes provisions that could
limit the ability of other entities or persons to acquire control of the Fund
or to change the composition of its Board of Directors. Such provisions could
discourage a third party from seeking to obtain control of the Fund.

  Investment Considerations. Investors in AMPS should consider the following
factors:

  . The credit ratings of the AMPS could be reduced while an investor holds
    the AMPS.

  . Neither broker-dealers nor the Fund are obligated to purchase shares of
    AMPS in an auction or otherwise nor is the Fund required to redeem shares
    of AMPS in the event of a failed auction.

  . If sufficient bids do not exist in an auction, the applicable dividend
    rate will be the maximum applicable dividend rate, and in such event,
    owners of AMPS wishing to sell will not be able to sell all, and may not
    be able to sell any, AMPS in the auction. As a result, investors may not
    have liquidity of investment.

  Secondary Market. The broker-dealers intend to maintain a secondary trading
market in the AMPS outside of auctions; however, they have no obligation to do
so and there can be no assurance that a secondary market for the AMPS will
develop or, if it does develop, that it will provide holders with a liquid
trading market. The AMPS will not be registered on any stock exchange or on any
automated quotation system. An increase in the level of interest rates likely
will have an adverse effect on the secondary market price of the AMPS, and a
selling shareholder may have to sell AMPS between auctions at a price per share
of less than $25,000.

                                       6
<PAGE>

                                    THE FUND

  MuniHoldings Michigan Insured Fund II, Inc. (the "Fund") is a recently
organized, non-diversified, closed-end management investment company. The Fund
was incorporated under the laws of the State of Maryland on July 9, 1999, and
has registered under the 1940 Act. The Fund's principal office is located at
800 Scudders Mill Road, Plainsboro, New Jersey 08536, and its telephone number
is (609) 282-2800.

  The Fund commenced operations on September 17, 1999 upon the closing of an
initial public offering of 3,400,000 shares of its common stock. The proceeds
of such offering were approximately $50,860,000 after the payment of offering
expenses. In connection with the initial public offering of the Fund's common
stock, the underwriter was granted an option to purchase up to an additional
510,000 shares of Common Stock to cover over-allotments.

  The Board of Directors of the Fund may at any time consider a merger,
consolidation or other form of reorganization of the Fund with one or more
other closed-end investment companies advised by the Fund's investment adviser
with similar investment objectives and policies as the Fund. Any such merger,
consolidation or other form of reorganization would require the prior approval
of the Board of Directors and the stockholders of the Fund. See "Description of
Capital Stock--Certain Provisions of the Charter."

                                USE OF PROCEEDS

  The estimated net proceeds of this offering will be $33,610,000 after the
payment of offering expenses (estimated to be $135,000) and the sales load.

  The net proceeds of the offering will be invested in accordance with the
Fund's investment objective and policies during a period estimated not to
exceed three months from the offer and sale of such shares of AMPS depending on
market conditions and the availability of appropriate securities. Pending such
investment, it is anticipated that the proceeds will be invested in short-term
tax-exempt securities. See "Investment Objective and Policies."

                                       7
<PAGE>

                                 CAPITALIZATION

  The following table sets forth the unaudited capitalization of the Fund as of
September 17, 1999 and as adjusted to give effect to the issuance of the shares
of AMPS offered hereby.

<TABLE>
<CAPTION>
                                                          Actual    As Adjusted
                                                        ----------- -----------
<S>                                                     <C>         <C>
Shareholders' equity:
Capital Stock (200,000,000 shares authorized)
  Preferred Stock, par value $.10 per share (no shares
   issued; 1,360 shares of AMPS issued and outstanding,
   as adjusted, at $25,000 per share liquidation
   preference).........................................         --  $34,000,000
  Common Stock, par value $.10 per share (3,406,667
   shares issued and outstanding)...................... $   340,667 $   340,667
  Capital in excess of par value attributable to Common
   Stock...............................................  50,622,168  50,232,168
  Undistributed investment income--net.................      23,466      23,466
  Unrealized appreciation on investments--net..........      20,917      20,917
                                                        ----------- -----------
  Net assets........................................... $51,007,218 $84,617,218
                                                        =========== ===========
</TABLE>

                             PORTFOLIO COMPOSITION

  As of September 17, 1999, approximately 95.9% of the market value of the
Fund's portfolio was invested in long-term municipal obligations and
approximately 4.1% of the market value of the Fund's portfolio was invested in
short-term municipal obligations. The following table sets forth certain
information with respect to the composition of the Fund's investment portfolio
as of September 17, 1999.

<TABLE>
<CAPTION>
                                                Number of     Value
      S&P*                             Moody's*  Issues   (in thousands) Percent
      ----                             -------- --------- -------------- -------
      <S>                              <C>      <C>       <C>            <C>
      AAA.............................   Aaa        21       $47,082      95.9%
      NR..............................   P-1         1         2,000       4.1
                                                   ---       -------      ----
      Total...........................              22       $49,082       100%
                                                   ===       =======      ====
</TABLE>
- --------
* Ratings: Using the higher of Standard & Poor's ("S&P") or Moody's Investors
  Service, Inc. ("Moody's") ratings on the Fund's municipal obligations. See
  "Schedule of Investments." S&P rating categories may be modified further by a
  plus (+) or minus (-) in AA, A, BBB, BB, B and C ratings. Moody's rating
  categories may be modified further by a 1, 2 or 3 in Aa, A, Baa, Ba and B
  ratings.

                                       8
<PAGE>

                       INVESTMENT OBJECTIVE AND POLICIES

  The Fund's investment objective is to provide shareholders with current
income exempt from Federal and Michigan income taxes. The Fund seeks to achieve
its investment objective by investing primarily in a portfolio of long-term,
investment grade municipal obligations issued by or on behalf of the State of
Michigan, its political subdivisions, agencies and instrumentalities, and other
qualifying issuers, each of which pays interest which, in the opinion of bond
counsel to the issuer, is exempt from Federal and Michigan income taxes
("Michigan Municipal Bonds"). The Fund intends to invest substantially all (at
least 80%) of its assets in Michigan Municipal Bonds, except at times when the
Fund's investment adviser, Fund Asset Management, L.P. (the "Investment
Adviser"), considers that Michigan Municipal Bonds of sufficient quality and
quantity are unavailable for investment at suitable prices by the Fund. To the
extent the Investment Adviser considers that suitable Michigan Municipal Bonds
are not available for investment, the Fund may purchase other long-term
municipal obligations exempt from Federal but not Michigan Income taxes
("Municipal Bonds"). The Fund will maintain at least 65% of its assets in
Michigan Municipal Bonds and at least 80% of its assets in Michigan Municipal
Bonds and Municipal Bonds, except during interim periods pending investment of
the net proceeds of public offerings of the Fund's securities and during
temporary defensive periods. Under normal circumstances, at least 80% of the
Fund's assets will be invested in municipal obligations with remaining
maturities of one year or more that are covered by insurance guaranteeing the
timely payment of principal at maturity and interest. The Fund's investment
objective is a fundamental policy that may not be changed without a vote of a
majority of the Fund's outstanding voting securities, as defined in the
statement of additional information under "Investment Restrictions." There can
be no assurance that the investment objective of the Fund will be realized. At
times the Fund may seek to hedge its portfolio through the use of options and
futures transactions to reduce volatility in the net asset value of its shares
of common stock.

  The Fund ordinarily does not intend to realize significant interest income
that is subject to Federal and Michigan income taxes. The Fund may invest all
or a portion of its assets in certain tax-exempt securities classified as
"private activity bonds" (in general, bonds that benefit non-governmental
entities) that may subject certain investors in the Fund to a Federal
alternative minimum tax.

  The Fund also may invest in securities not issued by or on behalf of a state
or territory or by an agency or instrumentality thereof, if the Fund
nevertheless believes such securities pay interest or distributions that are
exempt from Federal income taxation ("Non-Municipal Tax-Exempt Securities").
Non-Municipal Tax-Exempt Securities may include securities issued by other
investment companies that invest in Michigan Municipal Bonds and Municipal
Bonds, to the extent such investments are permitted by the Investment Company
Act of 1940, as amended (the "1940 Act"). Other Non-Municipal Tax-Exempt
Securities could include trust certificates or other instruments evidencing
interests in one or more long-term Michigan Municipal Bonds or Municipal Bonds.
Certain Non-Municipal Tax-Exempt Securities may be characterized as derivative
instruments. Non-Municipal Tax-Exempt Securities are considered "Michigan
Municipal Bonds" or "Municipal Bonds" for purposes of the Fund's investment
objective and policies.

  The investment grade Michigan Municipal Bonds and Municipal Bonds in which
the Fund will primarily invest are those Michigan Municipal Bonds and Municipal
Bonds that are rated at the date of purchase in the four highest rating
categories of S&P, Moody's or Fitch IBCA, Inc. ("Fitch") or, if unrated, are
considered to be of comparable quality by the Investment Adviser. In the case
of long-term debt, the investment grade rating categories are AAA through BBB
for S&P, Aaa through Baa for Moody's and AAA through BBB for Fitch. In the case
of short-term notes, the investment grade rating categories are SP-l+ through
SP-3 for S&P, MIG-1 through MIG-3 for Moody's and F-1+ through F-3 for Fitch.
In the case of tax-exempt commercial paper, the investment grade rating
categories are A-1+ through A-3 for S&P, Prime-1 through Prime-3 for Moody's
and F-l+ through F-3 for Fitch. Obligations ranked in the lowest investment
grade rating category (BBB, SP-3 and A-3 for S&P; Baa, MIG-3 and Prime-3 for
Moody's; and BBB and F-3 for Fitch), while considered "investment grade," may
have certain speculative characteristics. There may be sub-categories or
gradations indicating relative standing within the rating categories set forth
above. Appendix B to the statement of additional information contains a
description of S&P's, Moody's and Fitch's ratings of Michigan Municipal

                                       9
<PAGE>

Bonds and Municipal Bonds. In assessing the quality of Michigan Municipal Bonds
and Municipal Bonds with respect to the foregoing requirements, the Investment
Adviser will take into account the portfolio insurance as well as the nature of
any letters of credit or similar credit enhancement to which particular
Municipal Bonds are entitled and the creditworthiness of the insurance company
or financial institution that provided such insurance or credit enhancement.
Consequently, if Michigan Municipal Bonds or Municipal Bonds are covered by
insurance policies issued by insurers whose claims-paying ability is rated AAA
by S&P or Fitch or Aaa by Moody's, the Investment Adviser may consider such
municipal obligations to be equivalent to AAA- or Aaa- rated securities, as the
case may be, even though such Michigan Municipal Bonds or Municipal Bonds would
generally be assigned a lower rating if the rating were based primarily upon
the credit characteristics of the issuers without regard to the insurance
feature. The insured Michigan Municipal Bonds and Municipal Bonds must also
comply with the standards applied by the insurance carriers in determining
eligibility for portfolio insurance.

  The Fund's investments may also include variable rate demand obligations
("VRDOs") and VRDOs in the form of participation interests ("Participating
VRDOs") in variable rate tax-exempt obligations held by a financial
institution, typically a commercial bank. The VRDOs in which the Fund may
invest are tax-exempt obligations, in the opinion of counsel to the issuer,
that contain a floating or variable interest rate adjustment formula and a
right of demand on the part of the holder thereof to receive payment of the
unpaid principal balance plus accrued interest on a short notice period not to
exceed seven days. Participating VRDOs provide the Fund with a specified
undivided interest (up to 100%) in the underlying obligation and the right to
demand payment of the unpaid principal balance plus accrued interest on the
Participating VRDOs from the financial institution on a specified number of
days' notice, not to exceed seven days. There is, however, the possibility that
because of default or insolvency, the demand feature of VRDOs or Participating
VRDOs may not be honored. The Fund has been advised by its counsel that the
Fund should be entitled to treat the income received on Participating VRDOs as
interest from tax-exempt obligations for Federal income tax purposes.

  The average maturity of the Fund's portfolio securities will vary based upon
the Investment Adviser's assessment of economic and market conditions. The net
asset value of the shares of common stock of a closed-end investment company,
such as the Fund, which invests primarily in fixed-income securities, changes
as the general levels of interest rates fluctuate. When interest rates decline,
the value of a fixed-income portfolio generally can be expected to rise.
Conversely, when interest rates rise, the value of a fixed-income portfolio
generally can be expected to decline. Prices of longer-term securities
generally fluctuate more in response to interest rate changes than do short-
term or medium-term securities. These changes in net asset value are likely to
be greater in the case of a fund having a leveraged capital structure, such as
that used by the Fund.

  The Fund intends to invest primarily in long-term Michigan Municipal Bonds
and Municipal Bonds with a maturity of more than ten years. Also, the Fund may
invest in intermediate-term Michigan Municipal Bonds and Municipal Bonds with a
maturity of between three years and ten years. The Fund may invest in short-
term, tax-exempt securities, short-term U.S. Government securities, repurchase
agreements or cash. Such short-term securities or cash will not exceed 20% of
its total assets except during interim periods pending investment of the net
proceeds of public offerings of the Fund's securities or in anticipation of the
repurchase or redemption of the Fund's securities and temporary periods when,
in the opinion of the Investment Adviser, prevailing market or economic
conditions warrant. The Fund does not ordinarily intend to realize significant
interest income that is subject to Federal and Michigan income taxes. For a
more complete description of Michigan Municipal Bonds and Municipal Bonds, see
"Investment Objectives and Policies" in the statement of additional
information.

  The Fund is classified as non-diversified within the meaning of the 1940 Act,
which means that the Fund is not limited by the 1940 Act in the proportion of
its assets that it may invest in securities of a single issuer. However, the
Fund's investments will be limited so as to qualify the Fund for special tax
treatment afforded regulated investment companies under the Federal tax laws.
See "Taxes" herein and in the statement of additional information. To qualify,
among other requirements, the Fund will limit its investments so that, at the

                                       10
<PAGE>

close of each quarter of the taxable year, (i) not more than 25% of the market
value of the Fund's total assets will be invested in the securities (other than
U.S. Government securities) of a single issuer, and (ii) with respect to 50% of
the market value of its total assets, not more than 5% of the market value of
its total assets will be invested in the securities (other than U.S. Government
securities) of a single issuer. A fund that elects to be classified as
"diversified" under the 1940 Act must satisfy the foregoing 5% requirement with
respect to 75% of its total assets. To the extent that the Fund assumes large
positions in the securities of a small number of issuers, the Fund's yield may
fluctuate to a greater extent than that of a diversified company as a result of
changes in the financial condition or in the market's assessment of the
issuers.

Portfolio Insurance

  Under normal circumstances, at least 80% of the Fund's assets will be
invested in Michigan Municipal Bonds and Municipal Bonds either (i) insured
under an insurance policy purchased by the Fund or (ii) insured under an
insurance policy obtained by the issuer thereof or any other party. The Fund
will seek to limit its investments to municipal obligations insured under
insurance policies issued by insurance carriers that have total admitted assets
(unaudited) of at least $75,000,000 and capital and surplus (unaudited) of at
least $50,000,000 and insurance claims-paying ability ratings of AAA from S&P
or Fitch or Aaa from Moody's. There can be no assurance that insurance from
insurance carriers meeting these criteria will be available. See Appendix C to
the statement of additional information for a brief description of S&P's,
Fitch's and Moody's insurance claims--paying ability ratings. Currently, it is
anticipated that a majority of the insured Michigan Municipal Bonds and
Municipal Bonds in the Fund's portfolio will be insured by the following
insurance companies that satisfy the foregoing criteria: AMBAC Assurance
Corporation, Financial Guaranty Insurance Company, Financial Security Assurance
and MBIA Corporation. The Fund also may purchase Michigan Municipal Bonds and
Municipal Bonds covered by insurance issued by any other insurance company that
satisfies the foregoing criteria. It is anticipated that initially a majority
of insured Michigan Municipal Bonds and Municipal Bonds held by the Fund will
be insured under policies obtained by parties other than the Fund.

  The Fund may purchase, but has no obligation to purchase, separate insurance
policies (the "Policies") from insurance companies meeting the criteria set
forth above that guarantee the payment of principal and interest on specified
eligible Michigan Municipal Bonds and Municipal Bonds purchased by the Fund. A
Michigan Municipal Bond or a Municipal Bond will be eligible for coverage if it
meets certain requirements of the insurance company set forth in a Policy. In
the event interest or principal on an insured Michigan Municipal Bond or
Municipal Bond is not paid when due, the insurer will be obligated under its
Policy to make such payment not later than 30 days after it has been notified
by, and provided with documentation from, the Fund that such nonpayment has
occurred.

  The Policies will be effective only as to insured Michigan Municipal Bonds
and Municipal Bonds beneficially owned by the Fund. In the event of a sale of
any Michigan Municipal Bonds and Municipal Bonds held by the Fund, the issuer
of the relevant Policy will be liable only for those payments of interest and
principal that are then due and owing. The Policies will not guarantee the
market value of the insured Michigan Municipal Bonds and Municipal Bonds or the
value of the shares of the Fund.

  The insurer will not have the right to withdraw coverage on securities
insured by their Policies and held by the Fund so long as such securities
remain in the Fund's portfolio. In addition, the insurer may not cancel its
Policies for any reason except failure to pay premiums when due. The Board of
Directors of the Fund will reserve the right to terminate any of the Policies
if it determines that the benefits to the Fund of having its portfolio insured
under such policy are not justified by the expense involved.

  The premiums for the Policies are paid by the Fund and the yield on the
Fund's portfolio is reduced thereby. The Investment Adviser estimates that the
cost of the annual premiums for the Policies currently ranges from
approximately .02 of 1% to .15 of 1% of the principal amount of the Michigan
Municipal Bonds and Municipal Bonds covered by such Policies. The estimate is
based on the expected composition of the Fund's portfolio of Michigan Municipal
Bonds and Municipal Bonds. In instances in which the Fund purchases

                                       11
<PAGE>

Michigan Municipal Bonds and Municipal Bonds insured under policies obtained by
parties other than the Fund, the Fund does not pay the premiums for such
policies; rather, the cost of such policies may be reflected in the purchase
price of the Michigan Municipal Bonds and Municipal Bonds.

  It is the intention of the Investment Adviser to retain any insured
securities that are in default or in significant risk of default and to place a
value on the insurance, which ordinarily will be the difference between the
market value of the defaulted security and the market value of similar
securities which are not in default. In certain circumstances, however, the
Investment Adviser may determine that an alternative value for the insurance,
such as the difference between the market value of the defaulted security and
its par value, is more appropriate. The Investment Adviser will be unable to
manage the portfolio to the extent it holds defaulted securities, which may
limit its ability in certain circumstances to purchase other Michigan Municipal
Bonds and Municipal Bonds. See "Net Asset Value" in the statement of additional
information for a more complete description of the Fund's method of valuing
defaulted securities and securities that have a significant risk of default.

  There can be no assurance that insurance with the terms and issued by
insurance carriers meeting the criteria described above will continue to be
available to the Fund. In the event the Board of Directors determines that such
insurance is unavailable or that the cost of such insurance outweighs the
benefits to the Fund, the Fund may modify the criteria for insurance carriers
or the terms of the insurance, or may discontinue its policy of maintaining
insurance for all or any of the Michigan Municipal Bonds and Municipal Bonds
held in the Fund's portfolio. Although the Investment Adviser periodically
reviews the financial condition of each insurer, there can be no assurance that
the insurers will be able to honor their obligations under the circumstances.

  The portfolio insurance reduces financial or credit risk (i.e., the
possibility that the owners of the insured Michigan Municipal Bonds or
Municipal Bonds will not receive timely scheduled payments of principal or
interest). However, the insured Michigan Municipal Bonds or Municipal Bonds are
subject to market risk (i.e., fluctuations in market value as a result of
changes in prevailing interest rates and other market conditions).

Special Considerations Relating to Michigan Municipal Bonds

  The Fund ordinarily will invest at least 80% of its total assets in Michigan
Municipal Bonds, and therefore it is more susceptible to factors adversely
affecting issuers of Michigan Municipal Bonds than is a municipal bond mutual
fund that is not concentrated in issuers of Michigan Municipal Bonds to this
degree. The State of Michigan reports its financial results in accordance with
generally accepted accounting principles. Michigan reported the General Fund in
balance as of September 30, 1997. The Michigan budget and Economic
Stabilization fund had an unreserved accrued balance of $579.1 million. The
balance is net of a reserve for future education funding of $572.6 million.
Michigan has reported balanced budget and year-end General Fund surpluses for
each of the last six fiscal years. Economically, Michigan remains closely tied
to the economic cycles of the automobile industry. Current increased automobile
production and an increasingly diversified economy have led to an unemployment
rate which, for the last three years has been below the national average.
Currently, Michigan's general obligation bonds are rated Aa1 by Moody's, AA+ by
Standard & Poor's and AA+ by Fitch. No assurance can be given that such ratings
will not be lowered in the future. FAM does not believe that the current
economic conditions in Michigan will have a significant adverse effect on the
Fund's ability to invest in high quality Michigan Municipal Bonds. For a
discussion of economic and other conditions in the State of Michigan, see
Appendix A, "Economic and Other Conditions in Michigan" to the statement of
additional information.

Other Investment Policies

  The Fund has adopted certain other policies as set forth below:

  Borrowings. The Fund is authorized to borrow money in amounts of up to 5% of
the value of its total assets at the time of such borrowings; provided,
however, that the Fund is authorized to borrow moneys in

                                       12
<PAGE>

amounts of up to 33 1/3% of the value of its total assets at the time of such
borrowings to finance the repurchase of its own common stock pursuant to tender
offers or otherwise to redeem or repurchase shares of preferred stock or for
temporary, extraordinary or emergency purposes. Borrowings by the Fund
(commonly known, as with the issuance of preferred stock, as "leveraging")
create an opportunity for greater total return since the Fund will not be
required to sell portfolio securities to repurchase or redeem shares but, at
the same time, increase exposure to capital risk. In addition, borrowed funds
are subject to interest costs that may offset or exceed the return earned on
the borrowed funds.

  When-Issued Securities and Delayed Delivery Transactions. The Fund may
purchase or sell Michigan Municipal Bonds and Municipal Bonds on a delayed
delivery basis or on a when-issued basis at fixed purchase or sale terms. These
transactions arise when securities are purchased or sold by the Fund with
payment and delivery taking place in the future. The purchase will be recorded
on the date the Fund enters into the commitment, and the value of the
obligation will thereafter be reflected in the calculation of the Fund's net
asset value. The value of the obligation on the delivery day may be more or
less than its purchase price. A separate account of the Fund will be
established with its custodian consisting of cash, cash equivalents or liquid
securities having a market value at all times at least equal to the amount of
the commitment.

  Indexed and Inverse Floating Obligations. The Fund may invest in Michigan
Municipal Bonds and Municipal Bonds yielding a return based on a particular
index of value or interest rates. For example, the Fund may invest in Michigan
Municipal Bonds and Municipal Bonds that pay interest based on an index of
Municipal Bond interest rates. The principal amount payable upon maturity of
certain Michigan Municipal Bonds and Municipal Bonds also may be based on the
value of an index. To the extent the Fund invests in these types of Municipal
Bonds, the Fund's return on such Michigan Municipal Bonds and Municipal Bonds
will be subject to risk with respect to the value of the particular index.
Also, the Fund may invest in so-called "inverse floating obligations" or
"residual interest bonds" on which the interest rates typically vary inversely
with a short-term floating rate (which may be reset periodically by a dutch
auction, a remarketing agent, or by reference to a short-term tax-exempt
interest rate index). The Fund may purchase synthetically-created inverse
floating rate bonds evidenced by custodial or trust receipts. Generally, income
on inverse floating rate bonds will decrease when short-term interest rates
increase, and will increase when short-term interest rates decrease. Such
securities have the effect of providing a degree of investment leverage, since
they may increase or decrease in value in response to changes, as an
illustration, in market interest rates at a rate that is a multiple (typically
two) of the rate at which fixed-rate, long-term, tax-exempt securities increase
or decrease in response to such changes. As a result, the market values of such
securities generally will be more volatile than the market values of fixed-rate
tax-exempt securities. To seek to limit the volatility of these securities, the
Fund may purchase inverse floating obligations with shorter-term maturities or
limitations on the extent to which the interest rate may vary. The Investment
Adviser believes that indexed and inverse floating obligations represent a
flexible portfolio management instrument for the Fund that allows the
Investment Adviser to vary the degree of investment leverage relatively
efficiently under different market conditions.

  Call Rights. The Fund may purchase a Michigan Municipal Bond or Municipal
Bond issuer's right to call all or a portion of such Michigan Municipal Bond or
Municipal Bond for mandatory tender for purchase (a "Call Right"). A holder of
a Call Right may exercise such right to require a mandatory tender for the
purchase of related Michigan Municipal Bonds or Municipal Bonds, subject to
certain conditions. A Call Right that is not exercised prior to the maturity of
the related Michigan Municipal Bond or Municipal Bond will expire without
value. The economic effect of holding both the Call Right and the related
Michigan Municipal Bond or Municipal Bond is identical to holding a Michigan
Municipal Bond or Municipal Bond as a non-callable security.

  Repurchase Agreements. The Fund may invest in Michigan Municipal Bonds,
Municipal Bonds and U.S. Government securities pursuant to repurchase
agreements. Repurchase agreements may be entered into only with a member bank
of the Federal Reserve System or a primary dealer in U.S. Government securities
or an affiliate thereof. Under such agreements, the seller agrees, upon
entering into the contract, to repurchase the security at a mutually agreed-
upon time and price, thereby determining the yield during the term of the

                                       13
<PAGE>

agreement. The Fund may not invest in repurchase agreements maturing in more
than seven days if such investments, together with all other illiquid
investments, would exceed 15% of the Fund's net assets. In the event of default
by the seller under a repurchase agreement, the Fund may suffer time delays and
incur costs or possible losses in connection with the disposition of the
underlying securities.

  In general, for Federal and Michigan income tax purposes, repurchase
agreements are treated as collateralized loans secured by the securities
"sold." Therefore, amounts earned under such agreements will not be considered
tax-exempt interest.

Options and Futures Transactions

  The Fund may hedge all or a portion of its portfolio investments against
fluctuations in interest rates through the use of options and certain financial
futures contracts and options thereon. While the Fund's use of hedging
strategies is intended to reduce the volatility of the net asset value of the
common stock, the net asset value of the common stock will fluctuate. There can
be no assurance that the Fund's hedging transactions will be effective. For so
long as the AMPS are rated by Moody's and S&P, the Fund's use of options and
financial futures contracts will be subject to the limitations described under
"Rating Agency Guidelines" herein and in the statement of additional
information. Furthermore, the Fund may only engage in hedging activities from
time to time and may not necessarily be engaging in hedging activities when
movements in interest rates occur. The Fund has no obligation to enter into
hedging transactions and may choose not to do so.

  Certain Federal income tax requirements may limit the Fund's ability to
engage in hedging transactions. Gains from transactions in options and futures
contracts distributed to shareholders will be taxable as ordinary income or, in
certain circumstances, as long-term capital gains to shareholders. See "Taxes--
Tax Treatment of Options and Futures Transactions" in the statement of
additional information. In addition, in order to obtain ratings of the
preferred stock from one or more nationally recognized statistical rating
organizations ("NRSROs"), the Fund may be required to limit its use of hedging
techniques in accordance with the specified guidelines of such rating
organizations.

  For a description of the options and futures transactions in which the Fund
may engage, limitations on the Fund's use of such transactions and risks
associated with these transactions, see "Investment Objective and Policies--
Options and Futures Transactions" in the statement of additional information.
The investment policies with respect to the hedging transactions of the Fund
are not fundamental policies and may be modified by the Board of Directors of
the Fund without the approval of the Fund's shareholders.


                                       14
<PAGE>

                              DESCRIPTION OF AMPS

General

  Certain of the capitalized terms used herein are defined in the Glossary that
appears at the back of this prospectus.

  The AMPS will be shares of preferred stock that entitle their holders to
receive dividends when, as and if declared by the Board of Directors, out of
funds legally available therefor, at a rate per annum that may vary for the
successive Dividend Periods. After the Initial Dividend Period, each Subsequent
Dividend Period for the shares of AMPS generally will be a 7-Day Dividend
Period; provided, however, that prior to any Auction, the Fund may elect,
subject to certain limitations described herein, upon giving notice to holders
thereof, a Special Dividend Period. The Applicable Rate for a particular
Dividend Period will be determined by an Auction conducted on the Business Day
before the start of such Dividend Period. Beneficial Owners and Potential
Beneficial Owners of shares of AMPS may participate in Auctions therefor,
although, except in the case of a Special Dividend Period, Beneficial Owners
desiring to continue to hold all of their shares of AMPS regardless of the
Applicable Rate resulting from Auctions need not participate. For an
explanation of Auctions and the method of determining the Applicable Rate, see
"The Auction" herein and in the statement of additional information.

  The following is a brief description of the terms of the shares of AMPS. This
description does not purport to be complete and is subject to and qualified in
its entirety by reference to the Fund's Articles of Incorporation and Articles
Supplementary, including the provisions thereof establishing the AMPS. The
Fund's Articles of Incorporation and the form of Articles Supplementary
establishing the terms of the AMPS have been filed as exhibits to the
Registration Statement of which this prospectus is a part.

Dividends

  General. The holders of shares of AMPS will be entitled to receive, when, as
and if declared by the Board of Directors of the Fund, out of funds legally
available therefor, cumulative cash dividends on their shares, at the
Applicable Rate determined as set forth below under "Determination of Dividend
Rate," payable on the respective dates set forth below. Dividends on the shares
of AMPS so declared and payable shall be paid (i) in preference to and in
priority over any dividends so declared and payable on the Common Stock, and
(ii) to the extent permitted under the Code and to the extent available, out of
net tax-exempt income earned on the Fund's investments. Generally, dividends on
shares of AMPS, to the extent that they are derived from interest paid on
Municipal Bonds, will be exempt from Federal income taxes, subject to possible
application of the alternative minimum tax. See "Taxes" in the statement of
additional information.

  Dividends on the shares of AMPS will accumulate from the date on which the
Fund originally issues the shares of AMPS (the "Date of Original Issue") and
will be payable on the dates described below. Dividends on shares of AMPS with
respect to the Initial Dividend Period shall be payable on the Initial Dividend
Payment Date. Following the Initial Dividend Payment Date for AMPS, dividends
on AMPS will be payable, at the option of the Fund, either (i) with respect to
any 7-Day Dividend Period and any Short Term Dividend Period of 35 or fewer
days, on the day next succeeding the last day thereof or (ii) with respect to
any Short Term Dividend Period of more than 35 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. Thus, following the Initial Dividend Payment Date
for AMPS, dividends generally will be payable (in the case of Dividend Periods
which are not Special Dividend Periods) on each succeeding Wednesday. 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

                                       15
<PAGE>

Date cannot be fixed as described above, then the Board of Directors shall fix
the Dividend Payment Date. The Board of Directors by resolution prior to
authorization of a dividend by the Board of Directors may change a Dividend
Payment Date if such change does not adversely affect the contract rights of
the holders of shares of AMPS set forth in the Charter. The Initial Dividend
Period, 7-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 Fund is required to deposit with the
Auction Agent sufficient funds for the payment of declared dividends. The Fund
does not intend to establish any reserves for the payment of dividends.

  Each dividend will be paid to the record holder of the AMPS, which holder is
expected to be the nominee of the Securities Depository. See "The Auction--
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
nominee of the Securities Depository. Any dividend payment made on shares of
AMPS first shall be credited against the earliest declared but unpaid dividends
accumulated with respect to such shares.

  Holders of shares of AMPS will not be entitled to any dividends, whether
payable in cash, property or stock, in excess of full cumulative dividends
except as described under "Additional Dividends" and "Non-Payment Period; Late
Charge." No interest will be payable in respect of any dividend payment or
payments on the shares of AMPS which may be in arrears.

  The amount of cash dividends per share of the AMPS payable (if declared) on
the Initial Dividend Payment Date, each 7-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 365,
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 AMPS 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. With respect to each Dividend Period that is
a Special Dividend Period, the Fund, 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 AMPS will be a number of days
(other than seven), 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 Fund may not give a Request
for Special Dividend Period (and any such request shall be null and void)
unless, for any Auction occurring after the initial Auction, Sufficient
Clearing Bids were made in the last occurring Auction and unless full
cumulative dividends, any amounts due with respect to redemptions, 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 the AMPS 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 AMPS. Upon
receiving such Request for Special Dividend Period, the

                                       16
<PAGE>

Broker-Dealers jointly shall determine whether, given the factors set forth
below, it is advisable that the Fund issue a Notice of Special Dividend Period
for the AMPS as contemplated by such Request for Special Dividend Period and
the Optional Redemption Price of the AMPS during such Special Dividend Period
and the Specific Redemption Provisions and shall give the Fund 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 the event the Response
indicates that it is advisable that the Fund give a notice of a Special
Dividend Period for the AMPS, the Fund, 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. See "Description of AMPS--Dividends--Notification of Dividend Period"
in the statement of additional information for a detailed description of these
procedures.

  Determination of Dividend Rate. The dividend rate on shares of AMPS during
the period from and including the Date of Original Issue to but excluding the
Initial Dividend Payment Date (the "Initial Dividend Period") will be the rate
per annum set forth above under "Offering Summary." Commencing on the Initial
Dividend Payment Date for AMPS, the Applicable Rate on the shares of AMPS 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 AMPS is referred to herein as a
"Dividend Period." Cash dividends shall be calculated as set forth above under
"Dividends--General."

  Restrictions on Dividends and Other Payments. Under the 1940 Act, the Fund
may not declare dividends or make other distributions on shares of Common Stock
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 shares of AMPS would
be less than 200% (or such other percentage as in the future may be required by
law). The Fund estimates that, based on the composition of its portfolio at
September 17, 1999, asset coverage with respect to shares of AMPS would be
approximately 249% immediately after the issuance of the shares of AMPS offered
hereby. Under the Code, the Fund, among other things, must distribute at least
90% of its investment company taxable income each year in order to maintain its
qualification for tax treatment as a regulated investment company. The
foregoing limitations on dividends, distributions and purchases under certain
circumstances may impair the Fund's ability to maintain such qualification. See
"Taxes" in the statement of additional information.

  Upon any failure to pay dividends on shares of AMPS for two years or more,
the holders of the shares of AMPS will acquire certain additional voting
rights. See "Voting Rights" below. Such rights shall be the exclusive remedy of
the holders of shares of AMPS upon any failure to pay dividends on shares of
the Fund.

  Additional Dividends. If the Fund retroactively allocates any net capital
gains or other income subject to regular Federal income taxes to shares of AMPS
without having given advance notice thereof to the Auction Agent as described
under "The Auction--Auction Date; Advance Notice of Allocation of Taxable
Income; Inclusion of Taxable Income in Dividends" below, which may only happen
when such allocation is made as a result of the redemption of all or a portion
of the outstanding shares of AMPS or the liquidation of the Fund (the amount of
such allocation referred to herein as a "Retroactive Taxable Allocation"), the
Fund, within 90 days (and generally within 60 days) after the end of the Fund's
fiscal year for which a Retroactive Taxable Allocation is made, will provide
notice thereof to the Auction Agent and to each holder of shares (initially
Cede as nominee of 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
Fund. The Fund, 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 of
shares of AMPS), out of funds legally available therefor, an amount equal to
the aggregate Additional Dividend (as defined below) with respect to all
Retroactive Taxable Allocations made to such holders during the fiscal year in
question. See "Taxes" in the statement of additional information.

                                       17
<PAGE>

  An "Additional Dividend" means payment to a present or former holder of
shares of AMPS of an amount which, when taken together with the aggregate
amount of Retroactive Taxable Allocations made to such holder with respect to
the fiscal year in question, would cause such holder's dividends in dollars
(after Federal and Michigan income tax consequences) from the aggregate of both
the Retroactive Taxable Allocations and the Additional Dividend to be equal to
the dollar amount of the dividends which would have been received by such
holder if the amount of the aggregate Retroactive Taxable Allocations had been
excludable from the gross income of such holder. Such Additional Dividend shall
be calculated (i) without consideration being given to the time value of money;
(ii) assuming that no holder of shares of AMPS is subject to the Federal
alternative minimum tax with respect to dividends received from the Fund; and
(iii) assuming that each Retroactive Taxable Allocation would be taxable in the
hands of each holder of shares of AMPS at the greater of: (a) the maximum
combined marginal regular Federal and Michigan individual income tax rate
applicable to ordinary income or capital gains depending on the taxable
character of the distribution (including any surtax); or (b) the maximum
combined marginal regular Federal and Michigan corporate income tax rate
applicable to ordinary income or capital gains depending on the taxable
character of the distribution (taking into account in both (a) and (b) the
Federal income tax deductibility of state taxes paid or incurred but not any
phase out of, or provision limiting, personal exemptions, itemized deductions,
or the benefit of lower tax brackets and assuming the taxability of Federally
tax-exempt dividends to corporations for Michigan state franchise tax
purposes). Although the Fund generally intends to designate any Additional
Dividend as an exempt-interest dividend to the extent permitted by applicable
law, it is possible that all or a portion of any Additional Dividend will be
taxable to the recipient thereof. See "Taxes--Tax Treatment of Additional
Dividends" in the statement of additional information. The Fund will not pay a
further Additional Dividend with respect to any taxable portion of an
Additional Dividend.

  If the Fund does not give advance notice of the amount of taxable income to
be included in a dividend on shares of AMPS in the related Auction, the Fund
may include such taxable income in a dividend on shares of AMPS if it increases
the dividend by an additional amount calculated as if such income were a
Retroactive Taxable Allocation and the additional amount were an Additional
Dividend and notifies the Auction Agent of such inclusion at least five days
prior to the applicable Dividend Payment Date. See "The Auction--Auction
Procedures--Auction Date; Advance Notice of Allocation of Taxable Income;
Inclusion of Taxable Income in Dividends" below.

Asset Maintenance

  The Fund will be required to satisfy two separate asset maintenance
requirements under the terms of the Articles Supplementary. These requirements
are summarized below.

  1940 Act AMPS Asset Coverage. The Fund will be required under the Articles
Supplementary to maintain, with respect to shares of AMPS, as of the last
Business Day of each month in which any shares of AMPS are outstanding, asset
coverage of at least 200% with respect to senior securities which are stock,
including the shares of AMPS (or such other asset coverage as in the future may
be specified in or under the 1940 Act as the minimum asset coverage for senior
securities which are stock of a closed-end investment company as a condition of
paying dividends on its common stock) ("1940 Act AMPS Asset Coverage"). If the
Fund fails to maintain 1940 Act AMPS Asset Coverage and such failure is not
cured as of the last Business Day of the following month (the "1940 Act Cure
Date"), the Fund will be required under certain circumstances to redeem certain
of the shares of AMPS. See "Redemption" below.

                                       18
<PAGE>

  The 1940 Act AMPS Asset Coverage immediately following the issuance of AMPS
offered hereby (after giving effect to the deduction of the sales load and
offering expenses for the shares of AMPS) will be computed as follows:

<TABLE>
           <S>                           <C>         <C>                 <C>         <C>
             Value of Fund assets
                     less
               liabilities not
                 constituting
              senior securities            =         $84,617,218           =         249%
           ------------------------                  -----------
              Senior securities                      $34,000,000
                 representing
                 indebtedness
            plus liquidation value
                    of the
                shares of AMPS
</TABLE>

  AMPS Basic Maintenance Amount. So long as shares of AMPS are outstanding, the
Fund will be required under the Articles Supplementary to maintain as of each
Business Day (a "Valuation Date") S&P Eligible Assets and Moody's Eligible
Assets each having in the aggregate a Discounted Value at least equal to the
AMPS Basic Maintenance Amount. The AMPS Basic Maintenance Amount includes the
sum of (i) the aggregate liquidation value of AMPS then outstanding and (ii)
certain accrued and projected payment obligations of the Fund. See "Description
of AMPS--Asset Maintenance--AMPS Basic Maintenance Amount" in the statement of
additional information. If the Fund fails to meet such requirement as of any
Valuation Date and such failure is not cured on or before the sixth Business
Day after such Valuation Date (the "AMPS Basic Maintenance Cure Date"), the
Fund will be required under certain circumstances to redeem certain of the
shares of AMPS. Upon any failure to maintain the required Discounted Value, the
Fund will use its best efforts to alter the composition of its portfolio to
reattain a Discounted Value at least equal to the AMPS Basic Maintenance Amount
on or prior to the AMPS Basic Maintenance Cure Date. See "Redemption" herein
and in the statement of additional information.

Redemption

  Optional Redemption. To the extent permitted under the 1940 Act and under
Maryland law, upon giving a Notice of Redemption, as provided in the statement
of additional information, the Fund, at its option, may redeem shares of AMPS,
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 AMPS may be redeemed at the option of the Fund during (a) the Initial
Dividend Period with respect to such shares or (b) a Non-Call Period to which
such share is subject. "Optional Redemption Price" means $25,000 per share of
AMPS 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. In addition, holders of AMPS may be entitled to receive Additional
Dividends in the event of redemption of such AMPS to the extent provided
herein. See "Dividends--Additional Dividends" above. The Fund has the authority
to redeem the AMPS for any reason and may redeem all or part of the outstanding
shares of AMPS if it anticipates that the Fund's leveraged capital structure
will result in a lower rate of return to holders of common stock for any
significant period of time than that obtainable if the Common Stock were
unleveraged.

  Mandatory Redemption. The Fund will be required to redeem, out of funds
legally available therefor, at the Mandatory Redemption Price per share, shares
of AMPS to the extent permitted under the 1940 Act and Maryland law, on a date
fixed by the Board of Directors, if the Fund fails to maintain S&P Eligible
Assets and Moody's Eligible Assets each with an aggregate Discounted Value
equal to or greater than the AMPS Basic Maintenance Amount or to satisfy the
1940 Act AMPS Asset Coverage and such failure is not cured on or before the
AMPS 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"
means $25,000 per share of AMPS plus an amount equal to accumulated but unpaid
dividends (whether or not earned or declared) to the date fixed for redemption.
In addition, holders of AMPS may be entitled to receive Additional Dividends in
the event of redemption of such AMPS to the extent provided herein. See
"Dividends--Additional Dividends" above.

                                       19
<PAGE>

  For a discussion of the allocation procedures to be used if fewer than all of
the outstanding AMPS are to be redeemed and for a discussion of other
redemption procedures, see "Description of AMPS--Redemption" in the statement
of additional information.

Liquidation Rights

  Upon any liquidation, dissolution or winding up of the Fund, whether
voluntary or involuntary, the holders of shares of AMPS will be entitled to
receive, out of the assets of the Fund available for distribution to
shareholders, before any distribution or payment is made upon any shares of
common stock or any other capital stock of the Fund ranking junior in right of
payment upon liquidation of AMPS, $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 AMPS
will be entitled to no other payments except for any Additional Dividends. If
such assets of the Fund shall be insufficient to make the full liquidation
payment on each outstanding series of AMPS and liquidation payments on any
other outstanding class or series of preferred stock of the Fund ranking on a
parity with the AMPS as to payment upon liquidation, then such assets will be
distributed among the holders of such shares of AMPS 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
AMPS will not be entitled to any further participation in any distribution of
assets by the Fund except for any Additional Dividends. A consolidation, merger
or share exchange of the Fund 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 Fund shall not be deemed or
construed to be a liquidation, dissolution or winding up of the Fund.

Voting Rights

  Except as otherwise indicated in this prospectus and the statement of
additional information and except as otherwise required by applicable law,
holders of shares of AMPS will be entitled to one vote per share on each matter
submitted to a vote of stockholders and will vote together with holders of
shares of common stock as a single class.

  The 1940 Act and the Articles Supplementary require that the holders of
preferred stock, including the AMPS, voting as a separate class, have the
rights to elect two of the Fund's Directors at all times and to elect a
majority of the Directors at any time that two full years' dividends on the
AMPS are unpaid. The holders of AMPS will vote as a separate class or classes
on certain other matters as required under the Articles Supplementary, the 1940
Act and Maryland law. See "Description of AMPS--Voting Rights" in the statement
of additional information.

                                  THE AUCTION

General

  Holders of the shares of AMPS will be entitled to receive cumulative cash
dividends on their shares when, as and if declared by the Board of Directors of
the Fund, out of 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 seven days subject to certain exceptions set forth under
"Description of AMPS--Dividends--General") at the rate per annum equal to the
Applicable Rate for each such Dividend Period.

  The provisions of the Articles Supplementary establishing the terms of the
shares of AMPS offered hereby will provide that the Applicable Rate for shares
of AMPS 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 Articles
Supplementary (the "Auction Procedures") in which persons determine to hold or
offer to purchase or sell shares of AMPS. The Auction Procedures are attached
as Appendix E to the statement of additional information.

                                       20
<PAGE>

  Each periodic operation of such procedures with respect to the shares of AMPS
is referred to hereinafter as an "Auction." If, however, the Fund should fail
to pay or duly provide for the full amount of any dividend on shares of AMPS or
the redemption price of shares of AMPS called for redemption, the Applicable
Rate for shares of AMPS will be determined as set forth under "Description of
AMPS--Dividends--Non-Payment Period; Late Charge" in the statement of
additional information.

  Auction Agent Agreement. The Fund will enter into an agreement (the "Auction
Agent Agreement") with IBJ Whitehall Bank & Trust Company (together with any
successor bank or trust company or other entity entering into a similar
agreement with this Fund, 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 AMPS. The Fund will pay the
Auction Agent compensation for its services under the Auction Agent Agreement.

  Broker-Dealer Agreements. The Auction Agent will enter into agreements with
Merrill Lynch, Pierce, Fenner & Smith Incorporated ("Merrill Lynch"), Goldman,
Sachs & Co., Lehman Government Securities Incorporated and Salomon Smith Barney
Inc. 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 Fund, which provide for the participation of such
Broker-Dealers in Auctions. Merrill Lynch is an affiliate of the Investment
Adviser in that they share a common parent, ML & Co.

  Securities Depository. The Depository Trust Company initially will act as the
Securities Depository for the Agent Members with respect to the shares of AMPS.
One or more registered certificates for all of the shares of AMPS initially
will be registered in the name of Cede, 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 shares
of AMPS contained in the Articles Supplementary. Cede initially will be the
holder of record of all shares of AMPS, 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 shares of AMPS 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 Fund to
holders of AMPS will be duly made by making payments to the nominee of the
Securities Depository.

Auction Procedures

  The following is a brief discussion of the procedures to be used in
conducting Auctions. This summary is qualified by reference to the Auction
Procedures set forth in Appendix E to the statement of additional information.
The Settlement Procedures to be used with respect to Auctions are set forth in
Appendix D to the statement of additional information.

  Auction Date; Advance Notice of Allocation of Taxable Income; Inclusion of
Taxable Income in Dividends. An Auction to determine the Applicable Rate for
the shares of AMPS offered hereby for each Dividend Period (other than the
Initial Dividend Period therefor) will be held on the first Business Day (as
hereinafter defined) 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").
"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. Auctions for
shares of the AMPS for Dividend Periods after the Initial Dividend Period
normally will be held every Tuesday after the preceding Dividend Payment Date,
and each subsequent Dividend Period normally will begin on the following
Wednesday (also a Dividend Payment 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. For example, in most cases, if the Tuesday that
normally would be an Auction Date for AMPS is not a Business Day, then such
Auction Date will be the preceding Monday and the first day of the related
Dividend Period will continue to be the following Wednesday. See "Description
of AMPS--

                                       21
<PAGE>

Dividends" 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.

  Except as noted below, whenever the Fund intends to include any net capital
gains or other income subject to regular Federal income taxes in any dividend
on shares of AMPS, the Fund 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 Fund, 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 customers who are Beneficial Owners and
Potential Beneficial Owners believed to be interested in submitting an Order in
the Auction to be held on such Auction Date. The Fund also may include such
income in a dividend on shares of AMPS without giving advance notice thereof if
it increases the dividend by an additional amount calculated as if such income
were a Retroactive Taxable Allocation and the additional amount were an
Additional Dividend; provided that the Fund will notify the Auction Agent of
the additional amounts to be included in such dividend at least five Business
Days prior to the applicable Dividend Payment Date. See "Description of AMPS--
Dividends--Additional Dividends" above.

  Orders by Beneficial Owners, Potential Beneficial Owners, Existing Holders
and Potential Holders. On or prior to each Auction Date:

    (a) each Beneficial Owner may submit to its Broker-Dealer by telephone a:

      (i) Hold Order--indicating the number of outstanding shares, if any,
    of AMPS 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 shares, if any, of
    AMPS 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 shares, if
    any, of AMPS 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 shares of AMPS to determine whether such Potential Beneficial
  Owners desire to submit Bids indicating the number of shares of AMPS 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.

  The communication by a Beneficial Owner or Potential Beneficial Owner to a
Broker-Dealer and the communication by a Broker-Dealer, whether or not acting
for its own account, to the Auction Agent of the foregoing information is
hereinafter referred to as an "Order" and collectively as "Orders." 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 shares of AMPS then held by such Beneficial Owner, as well as Bids
for additional shares of AMPS. 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 shares of AMPS 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.


                                       22
<PAGE>

  The Maximum Applicable Rate for shares of AMPS will depend on the credit
rating or ratings assigned to such shares. The Applicable Percentage will be
determined based on (i) the lower of the credit rating or ratings assigned on
such date to such shares by Moody's and S&P (or if Moody's or S&P or both shall
not make such rating available, the equivalent of either or both of such
ratings by a Substitute Rating Agency or two Substitute Rating Agencies or, in
the event that only one such rating shall be available, such rating) and (ii)
whether the Fund has provided notification to the Auction Agent prior to the
Auction establishing the Applicable Rate for any dividend that net capital
gains or other taxable income will be included in such dividend on shares of
AMPS as follows:

<TABLE>
<CAPTION>
               Credit Ratings
     ------------------------------------
                             Reference            Applicable            Applicable
     Reference Rate-           Rate-             Percentage of         Percentage of
     No Notification       Notification             Moody's                 S&P
     ----------------      -------------         -------------         -------------
     <S>                   <C>                   <C>                   <C>
     "aa3" or higher       AA- or Higher             110%                  150%
       "a3" or "a1"           A- to A                125%                  160%
     "baa3" to "baa1"      BBB- to BBB+              150%                  250%
       Below "baa3"         Below BBB-               200%                  275%
</TABLE>

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

  The Fund will take all reasonable action necessary to enable S&P and Moody's
to provide a rating for the AMPS. If either S&P or Moody's, or both, shall not
make such a rating available, the Underwriter or its affiliates and successors,
after consultation with the Fund, will select another nationally recognized
statistical rating organization (a "Substitute Rating Agency") or two other
nationally recognized statistical rating organizations ("Substitute Rating
Agencies") to act as a Substitute Rating Agency or Substitute Rating Agencies,
as the case may be.

  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 Fund nor the Auction Agent will be responsible for a Broker-
Dealer's failure to comply with the foregoing.

  A Broker-Dealer also may hold AMPS 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 AMPS 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 AMPS 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" below.

  If one or more Orders covering in the aggregate all of the outstanding shares
of AMPS held by a Beneficial Owner are not submitted to the Auction Agent prior
to the Submission Deadline, either because a

                                       23
<PAGE>

Broker-Dealer failed to contact such Beneficial Owner or otherwise, 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 Beneficial Owner covering the number of outstanding shares of
AMPS held by such Beneficial Owner and not subject to Orders submitted to the
Auction Agent.

  If all of the outstanding shares of AMPS are subject to Submitted Hold
Orders, the Dividend Period next succeeding the Auction automatically shall be
the same length as the immediately preceding Dividend Period, and the
Applicable Rate for the next Dividend Period for all shares of AMPS will be 40%
of the Reference Rate on the date of the applicable Auction (or 60% of such
rate if the Fund has provided notification to the Auction Agent prior to the
Auction establishing the Applicable Rate for any dividend that net capital
gains or other taxable income will be included in such dividend on shares of
AMPS).

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

  Submission of Orders by Broker-Dealers to Auction Agent. Prior to 1:00 p.m.,
Eastern 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 Fund) as the Existing Holder or Potential
Holder in respect of the shares of AMPS 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 (.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 shares of AMPS 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 shares of AMPS held by such Existing Holder, provided
  that if more than one Hold Order is submitted by such Existing Holder and
  the number of shares of AMPS subject to such Hold Orders exceeds the number
  of outstanding shares of AMPS held by such Existing Holder, the number of
  shares of AMPS 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 shares of AMPS 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 shares of AMPS held by such Existing Holder over the number of
  outstanding shares of AMPS 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,

                                       24
<PAGE>

  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 shares of AMPS held by such Existing
  Holder over the sum of the number of shares of AMPS subject to Hold Orders
  referred to in clause (i) above and the number of shares of AMPS subject to
  valid Bids by such Existing Holder referred to in clause (ii) above;
  provided that, if more than one Sell Order is submitted by any Existing
  Holder and the number of shares of AMPS subject to such Sell Orders is
  greater than such excess, the number of shares of AMPS 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 shares of AMPS 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 shares of AMPS 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 shares of AMPS over the number of outstanding shares of
AMPS subject to Submitted Hold Orders (such excess being referred to as the
"Available AMPS") and whether Sufficient Clearing Bids have been made in such
Auction. Sufficient Clearing Bids will have been made if the number of
outstanding shares of AMPS 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 AMPS. If Sufficient Clearing Bids have been made, the Winning
Bid Rate will be the Applicable Rate for the next Dividend Period for all
shares of AMPS then outstanding.

  If Sufficient Clearing Bids have not been made (other than because all
outstanding shares of AMPS are the subject of Submitted Hold Orders), the
Dividend Period next following the Auction automatically will be a 7-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, shares of AMPS 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 as described
below, Submitted Bids and Submitted Sell Orders will be accepted or rejected in
the order of priority set forth in the Auction Procedures with the result that
Existing Holders and Potential Holders of AMPS will sell, continue to hold
and/or purchase shares of AMPS as set forth below. Existing Holders that submit
or are deemed to have submitted Hold Orders will continue to hold the shares of
AMPS subject to such Hold Orders.

                                       25
<PAGE>

  If Sufficient Clearing Bids have been made:

    (a) each Existing Holder that placed a Submitted Bid specifying a rate
  per annum higher than the Winning Bid Rate or a Submitted Sell Order will
  sell the outstanding shares of AMPS subject to such Submitted Bid or
  Submitted Sell Order;

    (b) each Existing Holder that placed a Submitted Bid specifying a rate
  per annum lower than the Winning Bid Rate will continue to hold the
  outstanding shares of AMPS subject to such Submitted Bid;

    (c) each Potential Holder that placed a Submitted Bid specifying a rate
  per annum lower than the Winning Bid Rate will purchase the number of
  shares of AMPS subject to such Submitted Bid;

    (d) each Existing Holder that placed a Submitted Bid specifying a rate
  per annum equal to the Winning Bid Rate will continue to hold the
  outstanding shares of AMPS subject to such Submitted Bids, unless the
  number of outstanding shares of AMPS subject to all such Submitted Bids of
  Existing Holders is greater than the excess of the Available AMPS over the
  number of shares of AMPS accounted for in clauses (b) and (c) above, in
  which event each Existing Holder with such a Submitted Bid will sell a
  number of outstanding shares of AMPS determined on a pro rata basis based
  on the number of outstanding shares of AMPS subject to all such Submitted
  Bids of such Existing Holders; and

    (e) each Potential Holder that placed a Submitted Bid specifying a rate
  per annum equal to the Winning Bid Rate will purchase any Available AMPS
  not accounted for in clause (b), (c) or (d) above on a pro rata basis based
  on the shares of AMPS subject to all such Submitted Bids of Potential
  Holders.

  If Sufficient Clearing Bids have not been made (other than because all
outstanding shares of AMPS are the subject of Submitted Hold Orders):

    (a) each Existing Holder that placed a Submitted Bid specifying a rate
  per annum equal to or lower than the Maximum Applicable Rate will continue
  to hold the outstanding shares of AMPS subject to such Submitted Bid;

    (b) each Potential Holder that placed a Submitted Bid specifying a rate
  per annum equal to or lower than the Maximum Applicable Rate will purchase
  the number of shares of AMPS subject to such Submitted Bid; and

    (c) each Existing Holder that placed a Submitted Bid specifying a rate
  per annum higher than the Maximum Applicable Rate or a Submitted Sell Order
  will sell a number of outstanding shares of AMPS determined on a pro rata
  basis based on the outstanding shares of AMPS subject to all such Submitted
  Bids and Submitted Sell Orders.

  If as a result of the Auction Procedures described above 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 AMPS, the Auction
Agent, in such manner as, in its sole discretion, it shall determine, will
round up or down the number of shares of AMPS being sold or purchased on such
Auction Date so that each share sold or purchased by each Existing Holder or
Potential Holder will be a whole share of AMPS. If any Potential Holder would
be entitled or required to purchase less than a whole share of AMPS, the
Auction Agent, in such manner as, in its sole discretion, it shall determine,
will allocate shares of AMPS for purchase among Potential Holders so that only
whole shares of AMPS are purchased by any such Potential Holder, even if such
allocation results in one or more of such Potential Holders not purchasing any
shares of AMPS.

  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 Rate for the next Dividend Period for the related shares of AMPS by
telephone at approximately 3:00 P.M., Eastern 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 shares of AMPS as a result of the Auction and will advise
each customer purchasing or selling shares of AMPS 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. If a customer selling shares of

                                       26
<PAGE>

AMPS as a result of an Auction shall fail to instruct its Agent Member to
deliver such shares, the Broker-Dealer that submitted such customer's Bid or
Sell Order will instruct such Agent Member to deliver such shares against
payment therefor. Each Broker-Dealer that submitted a Hold Order in an Auction
on behalf of a customer also will advise such customer of the Applicable Rate
for the next Dividend Period for the AMPS. The Auction Agent will record each
transfer of shares of AMPS on the record book of Existing Holders to be
maintained by the Auction Agent.

  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 shares of AMPS 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 AMPS 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 shares of AMPS 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.

  If any Existing Holder selling shares of AMPS in an Auction fails to deliver
such shares, the Broker-Dealer of any person that was to have purchased shares
of AMPS in such Auction may deliver to such person a number of whole shares of
AMPS 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 AMPS to be so delivered
will be determined by such Broker-Dealer. Delivery of such lesser number of
shares will constitute good delivery. Each Broker-Dealer Agreement also will
provide that neither the Fund nor the Auction Agent will have responsibility or
liability with respect to the failure of a Potential Beneficial Owner,
Beneficial Owner or their respective Agent Members to deliver shares of AMPS or
to pay for shares of AMPS purchased or sold pursuant to an Auction or
otherwise.

Broker-Dealers

  General. The Broker-Dealer Agreements provide that a Broker-Dealer may submit
Orders in Auctions for its own account, unless the Fund 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 any series of AMPS, 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.

  Fees. The Auction Agent after each Auction will pay a service charge from
funds provided by the Fund to each Broker-Dealer on the basis of the purchase
price of shares of AMPS placed by such Broker-Dealer at such Auction. The
service charge (i) for any 7-Day Dividend Period shall be payable at the annual
rate of 0.25% of the purchase price of the shares of AMPS placed by such
Broker-Dealer in any such Auction and (ii) for any Special Dividend Period
shall be determined by mutual consent of the Fund 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 dividend period, respectively, at the
commencement of the Dividend Period with respect to such Auction. For the
purposes of the preceding sentence, shares of AMPS 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.


                                       27
<PAGE>

  Secondary Trading Market. The Broker-Dealers intend to maintain a secondary
trading market in the AMPS outside of Auctions; however, they have no
obligation to do so and there can be no assurance that a secondary market for
the AMPS 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 AMPS 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 AMPS, and a selling shareholder may sell AMPS between Auctions at
a price per share of less than $25,000.

                            RATING AGENCY GUIDELINES

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

  The Fund intends that, so long as shares of AMPS are outstanding, the
composition of its portfolio will reflect guidelines established by Moody's and
S&P in connection with the Fund's receipt of a rating for such shares on or
prior to their Date of Original Issue of at least "aaa" from Moody's and AAA
from S&P. Moody's and S&P, which are NRSROs, issue ratings for various
securities reflecting the perceived creditworthiness of such securities. The
guidelines described below have been developed by Moody's and S&P in connection
with issuances of asset-backed and similar securities, including debt
obligations and variable rate preferred stock, 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
stock 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 Fund in order to satisfy current requirements
necessary for Moody's and S&P to issue the above-described ratings for shares
of AMPS, 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. See
"Description of AMPS--Asset Maintenance" herein and in the statement of
additional information.

  The Fund intends to maintain a Discounted Value for its portfolio at least
equal to the AMPS Basic Maintenance Amount. Moody's and S&P each has
established separate guidelines for determining Discounted Value. To the extent
any particular portfolio holding does not satisfy the applicable rating
agency's guidelines, all or a portion of such holding's value will not be
included in the calculation of Discounted Value (as defined by such rating
agency). The Moody's and S&P guidelines do not impose any limitations on the
percentage of Fund assets that may be invested in holdings not eligible for
inclusion in the calculation of the Discounted Value of the Fund's portfolio.

  Upon any failure to maintain the required Discounted Value, the Fund will
seek to alter the composition of its portfolio to reattain a Discounted Value
at least equal to the AMPS Basic Maintenance Amount on or prior to the AMPS
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, shares of AMPS will be
subject to redemption. See "Description of AMPS--Asset Maintenance" and
"Description of AMPS--Redemption" herein and in the statement of additional
information.

  The Fund may, but is not required to, adopt any modifications to these
guidelines that hereafter may be established by Moody's or S&P. 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 shares of AMPS, at any time, may change or
withdraw any such rating. As set forth in the Articles Supplementary, the Board
of Directors, without shareholder approval, may modify certain definitions or
restrictions that have been adopted by the Fund pursuant to the rating agency
guidelines, provided the Board

                                       28
<PAGE>

of Directors has obtained written confirmation from Moody's and S&P that any
such change would not impair the ratings then assigned by Moody's and S&P to
the AMPS.

  As described by Moody's and S&P, a preferred stock rating is an assessment of
the capacity and willingness of an issuer to pay preferred stock obligations.
The ratings on the AMPS are not recommendations to purchase, hold or sell
shares of AMPS, 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 shares of AMPS will be
able to sell such shares in an Auction. The ratings are based on current
information furnished to Moody's and S&P by the Fund and the Investment 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 Stock has not been rated by a nationally
recognized statistical rating organization.

  For additional information concerning the Moody's and S&P ratings guidelines,
see "Rating Agency Guidelines" in the statement of additional information.

                INVESTMENT ADVISORY AND MANAGEMENT ARRANGEMENTS

  The Investment Adviser, which is owned and controlled by Merrill Lynch & Co.,
Inc. ("ML & Co."), a financial services holding company and the parent of
Merrill Lynch, provides the Fund with investment advisory and management
services. The Asset Management Group of ML & Co. (which includes the Investment
Adviser) acts as the investment adviser to more than 100 other registered
investment companies and offers investment advisory services to individuals and
institutional accounts. As of July 1999, the Merrill Lynch Asset Management
Group had a total of approximately $518 billion in investment company and other
portfolio assets under management (approximately $37 billion of which were
invested in municipal securities). This amount includes assets managed for
certain affiliates of the Investment Adviser. The Investment Adviser is a
limited partnership, the partners of which are ML & Co. and Princeton Services.
The principal business address of the Investment Adviser is 800 Scudders Mill
Road, Plainsboro, New Jersey 08536.

  The Investment Advisory Agreement provides that, subject to the supervision
of the Board of Directors of the Fund, the Investment Adviser is responsible
for the actual management of the Fund's portfolio. The responsibility for
making decisions to buy, sell or hold a particular security rests with the
Investment Adviser, subject to review by the Board of Directors.

  The Investment Adviser provides the portfolio management for the Fund. Such
portfolio management will consider analyses from various sources (including
brokerage firms with which the Fund does business), make the necessary
investment decisions, and place orders for transactions accordingly. The
Investment Adviser will also be responsible for the performance of certain
administrative and management services for the Fund. Fred K. Stuebe and Robert
A. DiMella are the portfolio managers of the Fund and are primarily responsible
for the Fund's day-to-day management.

  For the services provided by the Investment Adviser under the Investment
Advisory Agreement, the Fund will pay a monthly fee at an annual rate of 0.55
of 1% of the Fund's average weekly net assets (i.e., the average weekly value
of the total assets of the Fund, including proceeds from the issuance of shares
of preferred stock, minus the sum of accrued liabilities of the Fund and
accumulated dividends on the shares of preferred stock). For purposes of this
calculation, average weekly net assets are determined at the end of each month
on the basis of the average net assets of the Fund for each week during the
month. The assets for each weekly period are determined by averaging the net
assets at the last business day of a week with the net assets at the last
business day of the prior week.

  The Investment Advisory Agreement obligates the Investment Adviser to provide
investment advisory services and to pay all compensation of and furnish office
space for officers and employees of the Fund

                                       29
<PAGE>

connected with investment and economic research, trading and investment
management of the Fund, as well as the compensation of all Directors of the
Fund who are affiliated persons of the Investment Adviser or any of its
affiliates. The Fund pays all other expenses incurred in the operation of the
Fund, including, among other things, expenses for legal and auditing services,
taxes, costs of printing proxies, listing fees, if any, stock certificates and
shareholder reports, charges of the custodian and the transfer and dividend
disbursing agent and registrar, fees and expenses with respect to the issuance
of preferred stock, Securities and Exchange Commission fees, fees and expenses
of non-interested Directors, accounting and pricing costs, insurance, interest,
brokerage costs, litigation and other extraordinary or non-recurring expenses,
mailing and other expenses properly payable by the Fund. Accounting services
are provided to the Fund by the Investment Adviser, and the Fund reimburses the
Investment Adviser for its costs in connection with such services.

                                     TAXES

  In general, dividends on the AMPS will be exempt from Federal income tax in
the hands of holders of such AMPS, subject to the possible application of the
Federal alternative minimum tax. However, the Fund is required to allocate net
capital gains and other taxable income, if any, proportionately among the
common stock and AMPS in accordance with the current position of the Internal
Revenue Service ("IRS") described under the heading "Taxes" in the statement of
additional information. The Fund may notify the Auction Agent of the amount of
any net capital gains or other anticipated taxable income to be included in any
dividend on the AMPS prior to the Auction establishing the Applicable Dividend
Rate for such dividend. The Auction Agent will in turn notify holders of the
AMPS and prospective purchasers. The amount of taxable income allocable to AMPS
will depend upon the amount of such income realized by the Fund and cannot be
determined with certainty prior to the end of the Fund's fiscal year, but it is
not generally expected to be significant.

  The portion of exempt-interest dividends paid from interest received by the
Fund from Michigan Municipal Bonds also will be exempt from Michigan personal
income tax and the single business tax. To the extent the distributions of the
Fund are attributable to sources other than interest on Michigan Municipal
Bonds, such distributions, including, but not limited to, long-term or short-
term capital gains, but excluding any such capital gains from the obligations
of the United States or of its possessions, will not be exempt from Michigan
income tax or the single business tax. Shareholders subject to income taxation
by states other than Michigan will realize a lower after-tax rate of return
than Michigan shareholders since the dividends distributed by the Fund
generally will not be exempt, to any significant degree, from income taxation
by such other states.

  Generally, within 60 days after the end of the Fund's taxable year, the Fund
will tell you the amount of exempt-interest dividends and capital gain
dividends you received that year. Capital gain dividends are taxable as long-
term capital gains to you regardless of how long you have held your shares. The
tax treatment of distributions from the Fund is the same whether you choose to
receive distributions in cash or to have them reinvested in shares of the Fund.

  If the Fund makes a Retroactive Taxable Allocation, it will pay Additional
Dividends to holders of AMPS who are subject to the Retroactive Taxable
Allocation. See "Description of AMPS--Dividends--Additional Dividends." The
Federal income tax consequences of Additional Dividends under existing law are
uncertain. The Fund intends to treat a holder as receiving a dividend
distribution in the amount of any Additional Dividend only as and when such
Additional Dividend is paid. An Additional Dividend generally will be
designated by the Fund as an exempt-interest dividend except as otherwise
required by applicable law. However, the IRS may assert that all or part of an
Additional Dividend is a taxable dividend either in the taxable year for which
the Retroactive Taxable Allocation is made or in the taxable year in which the
Additional Dividend is paid.

  Because the Fund may from time to time invest a substantial portion of its
portfolio in municipal securities bearing income that is taxable under the
Federal alternative minimum tax, the Fund would not ordinarily be a suitable
investment for investors who are subject to the alternative minimum tax.

                                       30
<PAGE>

  If at any time when AMPS are outstanding the Fund does not meet the asset
coverage requirements of the 1940 Act, the Fund will be required to suspend
distributions to holders of common stock until the asset coverage is restored.
See "Description of AMPS--Restrictions on Dividends and Other Payments." This
may prevent the Fund from meeting certain distribution requirements for
qualification as a regulated investment company ("RIC"). Upon any failure to
meet the asset coverage requirements of the 1940 Act, the Fund, in its sole
discretion, may, and under certain circumstances will be required to, redeem
AMPS in order to maintain or restore the requisite asset coverage and avoid the
adverse consequences to the Fund and its shareholders of failing to qualify as
a RIC. See "Description of AMPS--Redemption." There can be no assurance,
however, that any such action would achieve such objectives.

  By law, the Fund must withhold 31% of your distributions and proceeds if you
have not provided a taxpayer identification number or social security number.
For more information regarding the tax treatment of an investment in AMPS, see
"Taxes" in the statement of additional information.

  Shareholders are urged to consult their tax advisers regarding the
availability of any exemptions from state or local taxes and with specific
questions as to Federal, foreign, state or local taxes.

                          DESCRIPTION OF CAPITAL STOCK

  The Fund is authorized to issue 200,000,000 shares of capital stock, par
value $.10 per share, all of which shares were initially classified as common
stock. The Board of Directors is authorized, however, to classify or reclassify
any unissued shares of capital stock by setting or changing the preferences,
conversion or other rights, voting powers, restrictions, limitations as to
dividends, qualifications, or terms or conditions of redemption. In this
regard, the Board of Directors has reclassified 1,360 shares of unissued common
stock as AMPS. For a description of the shares of AMPS, see "Description of
AMPS" herein and in the statement of additional information.

  The following table shows the amount of (i) capital stock authorized, (ii)
capital stock held by the Fund for its own account and (iii) capital stock
outstanding for each class of authorized securities of the Fund as of September
17, 1999.

<TABLE>
<CAPTION>
                                                                    Amount
                                                                  Outstanding
                                                    Amount held  (exclusive of
                                                      by Fund     amount held
                                          Amount    for its own by Fund for its
              Title of Class            Authorized    account    own account)
              --------------            ----------- ----------- ---------------
   <S>                                  <C>         <C>         <C>
   Common Stock........................ 199,998,640     -0-        3,406,667
   Auction Market Preferred Stock......       1,360     -0-              -0-
</TABLE>

Common Stock

  Holders of common stock are entitled to share equally in dividends declared
by the Board of Directors payable to holders of common stock and in the net
assets of the Fund available for distribution to holders of common stock after
payment of the preferential amounts payable to holders of any outstanding
preferred stock. Neither holders of common stock nor holders of preferred stock
have pre-emptive or conversion rights and shares of common stock are not
redeemable. The outstanding shares of common stock are fully paid and non-
assessable.

  Holders of common stock are entitled to one vote for each share held and will
vote with the holders of any outstanding shares of AMPS or other preferred
stock on each matter submitted to a vote of holders of common stock, except as
described under "Description of AMPS--Voting Rights" herein and in the
statement of additional information.

                                       31
<PAGE>

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

  So long as any shares of AMPS or any other preferred stock are outstanding,
holders of common stock will not be entitled to receive any dividends of or
other distributions from the Fund unless all accumulated dividends on
outstanding shares of AMPS and any other preferred stock have been paid, and
unless asset coverage (as defined in the 1940 Act) with respect to such AMPS
and any other preferred stock would be at least 200% after giving effect to
such distributions. See "Description of AMPS--Restrictions on Dividends and
Other Payments" herein and in the statement of additional information.

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

  The shares of common stock will commence trading on the American Stock
Exchange (the "AMEX") on September 27, 1999. At September 17, 1999, the net
asset value per share of common stock was $14.97.

Preferred Stock

  Under the Articles Supplementary, the Fund is authorized to issue an
aggregate of 1,360 shares of AMPS. See "Description of AMPS." Under the 1940
Act, the Fund is permitted to have outstanding more than one series of
preferred stock as long as no single series has priority over another series as
to the distribution of assets of the Fund or the payment of dividends. Neither
holders of common stock nor holders of preferred stock have pre-emptive rights
to purchase any shares of AMPS or any other preferred stock that might be
issued. It is anticipated that the net asset value per share of the AMPS will
equal its original purchase price per share plus accumulated dividends per
share.

Certain Provisions of the Charter

  The Fund's Charter includes provisions that could have the effect of limiting
the ability of other entities or persons to acquire control of the Fund or to
change the composition of its Board of Directors and could have the effect of
depriving shareholders 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 Fund. A director may be removed from office with or without
cause but only by vote of the holders of at least 66 2/3% of the votes entitled
to be voted on the matter. A director elected by all of the holders of capital
stock may be removed only by action of such holders, and a director elected by
the holders of AMPS and any other preferred stock may be removed only by action
of AMPS and any other preferred stock.

  In addition, the Charter requires the favorable vote of the holders of at
least 66 2/3% of the Fund's shares of capital stock, then entitled to be voted,
voting as a single class, to approve, adopt or authorize the following:

  . a merger or consolidation or statutory share exchange of the Fund with
    any other corporation,

  . a sale of all or substantially all of the Fund's assets (other than in
    the regular course of the Fund's investment activities), or

  . a liquidation or dissolution of the Fund,

unless such action has been approved, adopted or authorized by the affirmative
vote of at least two-thirds of the total number of Directors fixed in
accordance with the by-laws, in which case the affirmative vote of a majority
of all of the votes entitled to be cast by shareholders of the Fund, voting as
a single class, is required. Such approval, adoption or authorization of the
foregoing would also require the favorable vote of at least a majority of the
Fund's shares of preferred stock then entitled to be voted, including the AMPS,
voting as a separate class.

                                       32
<PAGE>

  In addition, conversion of the Fund to an open-end investment company would
require an amendment to the Fund's Charter. The amendment would have to be
declared advisable by the Board of Directors prior to its submission to
shareholders. Such an amendment would require the favorable vote of the holders
of at least 66 2/3% of the Fund's outstanding shares of capital stock
(including the AMPS and any other preferred stock) entitled to be voted on the
matter, voting as a single class (or a majority of such shares if the amendment
was previously approved, adopted or authorized by at least two-thirds of the
total number of Directors fixed in accordance with the by-laws), and, the
affirmative vote of at least a majority of outstanding shares of preferred
stock of the Fund (including the AMPS), voting as a separate class. Such a vote
also would satisfy a separate requirement in the 1940 Act that the change be
approved by the shareholders. Shareholders of an open-end investment company
may require the company to redeem their shares of common stock at any time
(except in certain circumstances as authorized by or under the 1940 Act) at
their net asset value, less such redemption charge, if any, as might be in
effect at the time of a redemption. All redemptions will be made in cash. If
the Fund is converted to an open-end investment company, it could be required
to liquidate portfolio securities to meet requests for redemption. Conversion
to an open-end investment company would also require redemption of all
outstanding shares of preferred stock (including the AMPS) and would require
changes in certain of the Fund's investment policies and restrictions, such as
those relating to the issuance of senior securities, the borrowing of money and
the purchase of illiquid securities.

  The Board of Directors has determined that the 66 2/3% voting requirements
described above, which are greater than the minimum requirements under Maryland
law or the 1940 Act, are in the best interests of shareholders generally.
Reference should be made to the Charter on file with the Commission for the
full text of these provisions.

                                   CUSTODIAN

  The Fund's securities and cash are held under a custody agreement with State
Street Bank and Trust Company, 225 Franklin Street, Boston, Massachusetts
02110.

                                  UNDERWRITING

  Merrill Lynch, Pierce, Fenner & Smith Incorporated (the "Underwriter") has
agreed, subject to the terms and conditions of a Purchase Agreement with the
Fund and the Investment Adviser, to purchase from the Fund all of the shares of
AMPS offered hereby. The Underwriter is committed to purchase all of such
shares if any are purchased.

  The Underwriter has advised the Fund that it proposes initially to offer the
shares of AMPS 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 Underwriter 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. The sales load of $   per share is
equal to  % of the initial public offering price. Investors must pay for any
AMPS purchased in the initial public offering on or before October   , 1999.

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

  The Fund anticipates that the Underwriter from time to time may act as a
broker in connection with the execution of the Fund's portfolio transactions.
The Fund has obtained exemptive orders permitting it to engage

                                       33
<PAGE>

in certain principal transactions with the Underwriter involving high quality,
short-term, tax-exempt securities, subject to certain conditions. See
"Investment Restrictions" and "Portfolio Transactions" in the statement of
additional information.

  The Underwriter is an affiliate of the Investment Adviser.

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

            TRANSFER AGENT, DIVIDEND DISBURSING AGENT AND REGISTRAR

  The transfer agent, dividend disbursing agent and registrar for the shares of
AMPS will be IBJ Whitehall Bank & Trust Company (or a successor entity), One
State Street, New York, New York 10004. The transfer agent, dividend disbursing
agent and shareholder servicing agent for the shares of Common Stock is State
Street Bank and Trust Company, 225 Franklin Street, Boston, Massachusetts
02110.

                                 LEGAL OPINIONS

  Certain legal matters in connection with the AMPS offered hereby will be
passed upon for the Fund and the Underwriter by Brown & Wood llp, One World
Trade Center, New York, New York 10048-0557.

                                    EXPERTS

  Ernst & Young LLP, independent auditors, have audited the statement of
assets, liabilities and capital of the Fund as of August 30, 1999 which is
included in the Statement of Additional Information as set forth in their
report which appears in the Statement of Additional Information. The statement
of assets, liabilities and capital is included in reliance upon their report,
given on their authority as experts in accounting and auditing. The selection
of independent auditors is subject to ratification by shareholders of the Fund.

                                YEAR 2000 ISSUES

  Many computer systems were designed using only two digits to designate years.
These systems may not be able to distinguish the Year 2000 from the Year 1900
(commonly known as the "Year 2000 Problem"). The Fund could be adversely
affected if the computer systems used by the Investment Adviser or other Fund
service providers do not properly address this problem before January 1, 2000.
The Investment Adviser expects to have addressed this problem before then, and
does not anticipate that the services it provides will be adversely affected.
The Fund's other service providers have told the Investment Adviser that they
also expect to resolve the Year 2000 Problem, and the Investment Adviser will
continue to monitor the situation as the Year 2000 approaches. However, if the
problem has not been fully addressed, the Fund could be negatively affected.
The Year 2000 Problem could also have a negative impact on the issuers of
securities in which the Fund invests, and this could hurt the Fund's investment
returns.

                                       34
<PAGE>

            TABLE OF CONTENTS OF STATEMENT OF ADDITIONAL INFORMATION

<TABLE>
<S>                                                                          <C>
Investment Objective and Policies...........................................   3
Investment Restrictions.....................................................   7
Description of AMPS.........................................................   9
The Auction.................................................................  16
Rating Agency Guidelines....................................................  17
Directors and Officers......................................................  25
Investment Advisory and Management Arrangements.............................  27
Portfolio Transactions......................................................  28
Taxes.......................................................................  29
Net Asset Value.............................................................  33
Additional Information......................................................  34
Report of Independent Auditors..............................................  35
Statement of Assets, Liabilities and Capital................................  36
Financial Statements (Unaudited)............................................  37
Appendix A--Economic and Other Conditions in Michigan....................... A-1
Appendix B--Ratings of Municipal Bonds...................................... B-1
Appendix C--Portfolio Insurance............................................. C-1
Appendix D--Settlement Procedures........................................... D-1
Appendix E--Auction Procedures.............................................. E-1
</TABLE>

                                       35
<PAGE>

                                    GLOSSARY

  "AA' (AA) Composite Commercial Paper Rate," on any Valuation Date, means (i)
the Interest Equivalent of the rate on commercial paper placed on behalf of
issuers whose corporate bonds are rated "AA" by S&P or "Aa" by Moody's or the
equivalent of such rating by another nationally recognized statistical rating
organization, 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 Merrill Lynch, Pierce,
Fenner & Smith Incorporated or its 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" Composite Commercial Paper
Rate, the "AA" 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 Fund 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 of 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.

  "Additional Dividend" has the meaning set forth on page 18 of this
prospectus.

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

  "AMPS" means the Auction Market Preferred Stock, Series A, with a par value
of $.10 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 Fund.

  "AMPS Basic Maintenance Amount" has the meaning set forth on page 19 of this
prospectus.

  "AMPS Basic Maintenance Cure Date" has the meaning set forth on page 19 of
this prospectus.

  "AMPS Basic Maintenance Report" has the meaning set forth on page 13 of the
statement of additional information.

  "Anticipation Notes" means the following Michigan Municipal Bonds: revenue
anticipation notes, tax anticipation notes, tax and revenue anticipation notes,
grant anticipation notes and bond anticipation notes.

  "Applicable Percentage" has the meaning set forth on page 23 of this
prospectus.

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

  "Articles Supplementary" means the Articles Supplementary of the Fund
specifying the powers, preferences and rights of the shares of AMPS.

                                       36
<PAGE>

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

  "Auction Agent" means IBJ Whitehall Bank & Trust Company (or a successor
entity) unless and until another commercial bank, trust company or other
financial institution appointed by a resolution of the Board of Directors of
the Fund or a duly authorized committee thereof enters into an agreement with
the Fund 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 AMPS.

  "Auction Agent Agreement" means the agreement entered into between the Fund
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 21 of this prospectus.

  "Auction Procedures" means the procedures for conducting Auctions set forth
in Appendix E to the statement of additional information.

  "Available AMPS" has the meaning set forth on page 25 of this prospectus.

  "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 AMPS or a Broker-Dealer that holds AMPS for its own account.

  "Bid" has the meaning set forth on page 22 of this prospectus.

  "Bidder" has the meaning set forth on page 22 of this prospectus.

  "Board of Directors" or "Board" means the Board of Directors of the Fund.

  "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 Fund 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 Merrill Lynch, Pierce, Fenner & Smith
Incorporated, 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 The
City of New York are authorized or obligated by law to close.

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

  "Charter" means the Articles of Incorporation, as amended and supplemented
(including the Articles Supplementary), of the Fund.

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

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

  "Common stock" means the common stock, par value $.10 per share, of the Fund.

                                       37
<PAGE>

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

  "Deposit Securities" means cash and Michigan Municipal Bonds and Municipal
Bonds 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), A-1+ or SP-1+ by S&P.

  "Discount Factor" means a Moody's Discount Factor or an S&P Discount Factor,
as the case may be.

  "Discounted Value" of any asset of the Fund means (i) with respect to an S&P
Eligible Asset, the quotient of the market value thereof divided by the
applicable S&P Discount Factor and (ii) with respect to a Moody's Eligible
Asset, the lower of par and the quotient of the market value thereof divided by
the applicable Moody's Discount Factor.

  "Dividend Payment Date" has the meaning set forth on page 16 of this
prospectus.

  "Dividend Period" has the meaning set forth on page 16 of this prospectus.

  "DTC" means The Depository Trust Company.

  "Eligible Assets" means Moody's Eligible Assets or S&P Eligible Assets, as
the case may be.

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

  "Fitch" means Fitch IBCA, Inc. or its successors.

  "Forward Commitment" has the meaning set forth on page 25 of the statement of
additional information.

  "Fund" means MuniHoldings Michigan Insured Fund II, Inc., a Maryland
corporation that is the issuer of the AMPS.

  "Hold Order" has the meaning set forth on page 22 of this prospectus.

  "Initial Dividend Payment Date" means the first Dividend Payment Date for the
AMPS as set forth on page 15 of this prospectus.

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

  "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 financial
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.

  "Investment Adviser" means Fund Asset Management, L.P.

  "IRS" means the United States Internal Revenue Service.

  "Long Term Dividend Period" means a dividend period of one year or more but
not greater than five years.

  "Mandatory Redemption Price" has the meaning set forth on page 19 of this
prospectus.

                                       38
<PAGE>

  "Marginal Tax Rate" means the maximum marginal regular Federal individual
income tax rate applicable to ordinary income or the maximum marginal regular
Federal corporate income tax rate, whichever is greater.

  "Maximum Applicable Rate" has the meaning set forth on pages 22 of this
prospectus.

  "Maximum Potential Additional Dividend Liability" has the meaning set forth
on page 13 of the statement of additional information.

  "Michigan Municipal Bonds" has the meaning set forth on page 9 of this
prospectus.

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

  "Moody's Discount Factor" has the meaning set forth on page 21 of the
statement of additional information.

  "Moody's Eligible Assets" has the meaning set forth on page 22 of the
statement of additional information.

  "Moody's Exposure Period" means a period that is the same length or longer
than the number of days used in calculating the cash dividend component of the
AMPS Basic Maintenance Amount and initially shall be the period commencing on
and including a given Valuation Date and ending 48 days thereafter.

  "Moody's Hedging Transactions" has the meaning set forth on page 23 of the
statement of additional information.

  "Moody's Volatility Factor" means 272% as long as there has been no increase
enacted to the Marginal Tax Rate. If such an increase is enacted but not yet
implemented, the Moody's Volatility Factor shall be as follows:

<TABLE>
<CAPTION>
                             % Change in                            Moody's
                          Marginal Tax Rate                    Volatility Factor
                          -----------------                    -----------------
        <S>                                                       <C>
                (less than or =) 5%..............................       292%
greater than 5 % but (less than or =) 10% .......................       313%
greater than 10% but (less than or =) 15%........................       338%
greater than 15% but (less than or =) 20%........................       364%
greater than 20% but (less than or =) 25%........................       396%
greater than 25% but (less than or =) 30%........................       432%
greater than 30% but (less than or =) 35%........................       472%
greater than 35% but (less than or =) 40%........................       520%
</TABLE>

  Notwithstanding the foregoing, the Moody's Volatility Factor may mean such
other potential dividend rate increase factor as Moody's advises the Fund in
writing is applicable.

  "Municipal Bonds" has the meaning set forth on page 9 of this prospectus.

  "Municipal Index" has the meaning set forth on page 20 of the statement of
additional information.

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

  "1940 Act AMPS Asset Coverage" has the meaning set forth on page 18 of this
prospectus.

  "1940 Act Cure Date" has the meaning set forth on page 18 of this prospectus.

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

  "Non-Payment Period" has the meaning set forth on page 11 of the statement of
additional information.

                                       39
<PAGE>

  "Non-Payment Period Rate" has the meaning set forth on page 11 of the
statement of additional information.

  "Notice of Revocation" has the meaning set forth on page 10 of the statement
of additional information.

  "Notice of Special Dividend Period" has the meaning set forth on page 17 of
this prospectus.

  "Optional Redemption Price" has the meaning set forth on page 19 of this
prospectus.

  "Order" has the meaning set forth on page 22 of this prospectus.

  "Policy" means an insurance policy purchased by the Fund which guarantees the
payment of principal and interest on specified Michigan Municipal Bonds or
Municipal Bonds during the period in which such Michigan Municipal Bonds or
Municipal Bonds are owned by the Fund; provided, however, that, as long as the
AMPS are rated by Moody's and S&P, the Fund will not obtain any Policy unless
Moody's and S&P advise the Fund in writing that the purchase of such Policy
will not adversely affect their then-current rating on the AMPS.

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

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

  "Preferred stock" means preferred stock, par value $.10 per share, of the
Fund.

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

  "Receivables for Michigan Municipal Bonds Sold," for purposes of determining
S&P Eligible Assets, has the meaning set forth on page 18 of the statement of
additional information.

  "Receivables for Michigan Municipal Bonds or Municipal Bonds Sold," for
purposes of determining Moody's Eligible Assets, has the meaning set forth on
page 22 of the statement of additional information.

  "Reference Rate" means: (i) with respect to a Dividend Period or a Short Term
Dividend Period having 28 or fewer days, the higher of the applicable "AA"
Composite Commercial Paper Rate and the Taxable Equivalent of the Short Term
Municipal Bond Rate, (ii) with respect to any Short Term Dividend Period,
having more than 28 but fewer than 183 days, the applicable "AA" Composite
Commercial Paper Rate, (iii) with respect to any Short Term Dividend Period
having 183 or more but fewer than 364 days, the applicable U.S. Treasury Bill
Rate and (iv) with respect to any Long Term Dividend Period, the applicable
U.S. Treasury Note Rate.

  "Request for Special Dividend Period" has the meaning set forth on page 16 of
this prospectus.

  "Response" has the meaning set forth on page 17 of this prospectus.

  "Retroactive Taxable Allocation" has the meaning set forth on page 17 of this
prospectus.

  "S&P" means Standard & Poor's, a division of The McGraw-Hill Companies, Inc.,
or its successors.

  "S&P Discount Factor" has the meaning set forth on page 17 of the statement
of additional information.

  "S&P Eligible Assets" has the meaning set forth on page 17 of the statement
of additional information.

                                       40
<PAGE>

  "S&P Exposure Period" means the maximum period of time following a Valuation
Date, including the Valuation Date and the AMPS Basic Maintenance Cure Date,
that the Fund has under the Articles Supplementary to cure any failure to
maintain, as of such Valuation Date, a Discounted Value for its portfolio at
least equal to the AMPS Basic Maintenance Amount.

  "S&P Hedging Transactions" has the meaning set forth on page 20 of the
statement of additional information.

  "S&P Volatility Factor" means 277% or such other potential dividend rate
increase factor as S&P advises the Fund in writing is applicable.

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

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

  "7-Day Dividend Period" means a Dividend Period consisting of seven days.

  "Short Term Dividend Period" means a dividend period the number of days in
which are evenly divisible by seven, and not fewer than seven days nor more
than 364 days.

  "Special Dividend Period" has the meaning set forth on page 16 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 Directors of the Fund, after consultation with the
Auction Agent and the Broker-Dealers, during which the shares of AMPS subject
to such Dividend Period shall not be subject to redemption at the option of the
Fund and (ii) a period (a "Premium Call Period"), consisting of a number of
whole years and determined by the Board of Directors of the Fund, after
consultation with the Auction Agent and the Broker-Dealers, during each year of
which the shares of AMPS subject to such Dividend Period shall be redeemable at
the Fund'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 Directors of the Fund after consultation with the
Auction Agent and the Broker-Dealers.

  "Submission Deadline" has the meaning set forth on page 24 of this
prospectus.

  "Submitted Bid" has the meaning set forth on page 25 of this prospectus.

  "Submitted Hold Order" has the meaning set forth on page 25 of this
prospectus.

  "Submitted Order" has the meaning set forth on page 25 of this prospectus.

  "Submitted Sell Order" has the meaning set forth on page 25 of this
prospectus.

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

  "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 Merrill
Lynch, Pierce, Fenner & Smith Incorporated, or its respective affiliates and
successors, after consultation with the Fund, to act as a substitute rating
agency or substitute rating agencies, as the case may be, to determine the
credit ratings of the AMPS.

  "Sufficient Clearing Bids" has the meaning set forth on page 25 of this
prospectus.

                                       41
<PAGE>

  "Taxable Equivalent of the Short-Term Municipal Bond Rate" on any date means
90% of the quotient of (A) the per annum rate expressed on an interest
equivalent basis equal to the Kenny S&P 30 day High Grade Index (the "Kenny
Index"), or any successor index made available for the Business Day immediately
preceding such date but in any event not later than 8:30 A.M., Eastern time, on
such date by Kenny Information Systems Inc. or any successor thereto, based
upon 30-day yield evaluations at par of bonds the interest on which is
excludable for regular Federal income tax purposes under the Code of "high
grade" component issuers selected by Kenny Information Systems Inc. or any such
successor from time to time in its discretion, which component issuers shall
include, without limitation, issuers of general obligation bonds but shall
exclude any bonds the interest on which constitutes an item of tax preference
under Section 57(a) (5) of the Code, or successor provisions, for purposes of
the "alternative minimum tax," divided by (B) 1.00 minus the Marginal Tax Rate
(expressed as a decimal); provided, however, that if the Kenny Index is not
made so available by 8:30 A.M., Eastern time, on such date by Kenny Information
Systems Inc. or any successor, the Taxable Equivalent of the Short-Term
Municipal Bond Rate shall mean the quotient of (A) the per annum rate expressed
on an interest equivalent basis equal to the most recent Kenny Index so made
available for any preceding Business Day, divided by (B) 1.00 minus the
Marginal Tax Rate (expressed as a decimal). The Fund may not utilize a
successor index to the Kenny Index unless Moody's and S&P provide the Fund with
written confirmation that the use of such successor index will not adversely
affect the then-current respective Moody's and S&P ratings of the AMPS.

  "Treasury Bonds" has the meaning set forth on page 20 of the statement of
additional information.

  "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 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" has the meaning set forth on page 19 of this prospectus.

  "Variation Margin" means, in connection with an outstanding financial futures
contract owned or sold by the Fund, 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 financial futures contract fluctuates.

  "Winning Bid Rate" has the meaning set forth on page 25 of this prospectus.

                                       42
<PAGE>

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

                                $34,000,000

                  MuniHoldings Michigan Insured Fund II, Inc.

                 Auction Market Preferred Stock(R) ["AMPS(R)"]

                          1,360 Shares, Series A


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

                                   PROSPECTUS

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

                              Merrill Lynch & Co.

                                 October , 1999

(R) Registered trademarks of Merrill Lynch & Co. Inc.

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

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+The information contained in this statement of additional information is not  +
+complete and may be changed. We may not sell these securities until the       +
+registration statement filed with the Securities and Exchange Commission is   +
+effective. This statement of additional information is not a prospectus.      +
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
                             SUBJECT TO COMPLETION

 PRELIMINARY STATEMENT OF ADDITIONAL INFORMATION DATED SEPTEMBER 21, 1999

STATEMENT OF ADDITIONAL INFORMATION

                                $34,000,000

                  MuniHoldings Michigan Insured Fund II, Inc.

                   Auction Market Preferred Stock ["AMPS(R)"]

                          1,360 Shares, Series A
                    Liquidation Preference $25,000 Per Share

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

  MuniHoldings Michigan Insured Fund II, Inc. (the "Fund") is a recently
organized, non-diversified, closed-end management investment company that seeks
to provide shareholders with current income exempt from Federal and Michigan
income taxes. The Fund seeks to achieve its objective by investing primarily in
a portfolio of long-term, investment grade municipal obligations the interest
on which, in the opinion of bond counsel to the issuer, is exempt from Federal
and Michigan income taxes. The Fund intends to invest in municipal obligations
that are rated investment grade or, if unrated, are considered by the Fund's
investment adviser to be of comparable quality. Under normal circumstances, at
least 80% of the Fund's assets will be invested in municipal obligations with
remaining maturities of one year or more that are covered by insurance
guaranteeing the timely payment of principal at maturity and interest. There
can be no assurance that the Fund's investment objective will be realized. For
more information on the Fund's investment objective and policies, see
"Investment Objective and Policies."

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

  Certain capitalized terms not otherwise defined in this statement of
additional information have the meaning provided in the Glossary included as
part of the prospectus.

  This statement of additional information is not a prospectus, but should be
read in conjunction with the prospectus of the Fund, which has been filed with
the Securities and Exchange Commission (the "Commission") and can be obtained,
without charge, by calling (800) 637-3863. The prospectus is incorporated by
reference into this statement of additional information, and this statement of
additional information is incorporated by reference into the prospectus.
- ------
(R) Registered trademark of Merrill Lynch & Co., Inc.

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

                              Merrill Lynch & Co.

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

    The date of this statement of additional information is October  , 1999.
<PAGE>

            TABLE OF CONTENTS OF STATEMENT OF ADDITIONAL INFORMATION

<TABLE>
<S>                                                                          <C>
Investment Objective and Policies...........................................   3
Investment Restrictions.....................................................   7
Description of AMPS.........................................................   9
The Auction.................................................................  16
Rating Agency Guidelines....................................................  17
Directors and Officers......................................................  25
Investment Advisory and Management Arrangements.............................  27
Portfolio Transactions......................................................  28
Taxes.......................................................................  29
Net Asset Value.............................................................  33
Additional Information......................................................  34
Report of Independent Auditors..............................................  35
Statement of Assets, Liabilities and Capital................................  36
Financial Statements (Unaudited)............................................  37
Appendix A--Economic and Other Conditions in Michigan....................... A-1
Appendix B--Ratings of Municipal Bonds...................................... B-1
Appendix C--Portfolio Insurance............................................. C-1
Appendix D--Settlement Procedures........................................... D-1
Appendix E--Auction Procedures.............................................. E-1
</TABLE>

                                       2
<PAGE>

                       INVESTMENT OBJECTIVE AND POLICIES

  The Fund's investment objective is to provide shareholders with current
income exempt from Federal and Michigan income taxes. The Fund seeks to achieve
its investment objective by investing primarily in a portfolio of long-term,
investment grade municipal obligations issued by or on behalf of the State of
Michigan, its political subdivisions, agencies and instrumentalities, and other
qualifying issuers, each of which pays interest which, in the opinion of bond
counsel to the issuer, is exempt from Federal and Michigan income taxes
("Michigan Municipal Bonds"). The Fund intends to invest substantially all (at
least 80%) of its assets in Michigan Municipal Bonds, except at times when the
Fund's investment adviser, Fund Asset Management, L.P. (the "Investment
Adviser"), considers that Michigan Municipal Bonds of sufficient quality and
quantity are unavailable for investment at suitable prices by the Fund. To the
extent the Investment Adviser considers that suitable Michigan Municipal Bonds
are not available for investment, the Fund may purchase other long-term
municipal obligations exempt from Federal income tax but not Michigan income
taxes ("Municipal Bonds"). The Fund will maintain at least 65% of its assets in
Michigan Municipal Bonds and at least 80% of its assets in Michigan Municipal
Bonds and Municipal Bonds, except during interim periods pending investment of
the net proceeds of public offerings of the Fund's securities and during
temporary defensive periods. Under normal circumstances, at least 80% of the
Fund's assets will be invested in municipal obligations with remaining
maturities of one year or more that are covered by insurance guaranteeing the
timely payment of principal at maturity and interest. The Fund's investment
objective is a fundamental policy that may not be changed without a vote of a
majority of the Fund's outstanding voting securities, as defined below under
"Investment Restrictions." There can be no assurance that the investment
objective of the Fund will be realized. At times the Fund may seek to hedge its
portfolio through the use of options and futures transactions to reduce
volatility in the net asset value of its shares of common stock.

  The Fund ordinarily does not intend to realize significant interest income
that is subject to Federal and Michigan income taxes. The Fund may invest all
or a portion of its assets in certain tax-exempt securities classified as
"private activity bonds" (in general, bonds that benefit non-governmental
entities) that may subject certain investors in the Fund to a Federal
alternative minimum tax.

  The Fund also may invest in securities not issued by or on behalf of a state
or territory or by an agency or instrumentality thereof, if the Fund
nevertheless believes such securities pay interest or distributions that are
exempt from Federal income taxation ("Non-Municipal Tax-Exempt Securities").
Non-Municipal Tax-Exempt Securities may include securities issued by other
investment companies that invest in Michigan Municipal Bonds and Municipal
Bonds, to the extent such investments are permitted by the Investment Company
Act of 1940, as amended (the "1940 Act"). Other Non-Municipal Tax-Exempt
Securities could include trust certificates or other instruments evidencing
interests in one or more long-term Michigan Municipal Bonds or Municipal Bonds.
Certain Non-Municipal Tax-Exempt Securities may be characterized as derivative
instruments. Non-Municipal Tax-Exempt Securities are considered "Michigan
Municipal Bonds" or "Municipal Bonds" for purposes of the Fund's investment
objective and policies.

Description of Michigan Municipal Bonds and Municipal Bonds

  Michigan Municipal Bonds and Municipal Bonds include debt obligations issued
to obtain funds for various public purposes, including construction of a wide
range of public facilities, refunding of outstanding obligations and obtaining
funds for general operating expenses and loans to other public institutions and
facilities. In addition, certain types of private activity bonds ("PABs") are
issued by or on behalf of public authorities to finance various privately
operated facilities, including, among other things, airports, public ports,
mass commuting facilities, multi-family housing projects as well as certain
local facilities for water supply, gas, electricity, sewage or solid waste
disposal. For purposes of this statement of additional information, such
obligations are considered Municipal Bonds if the interest paid thereon is
exempt from Federal income tax and are Michigan Municipal Bonds if the interest
thereon is exempt from Federal and Michigan income taxes, even though such
bonds may be PABs as discussed below. Also, for purposes of this statement of
additional information, Non-Municipal Tax-Exempt securities as discussed above
will be considered Michigan Municipal Bonds or Municipal Bonds.


                                       3
<PAGE>

  The two principal classifications of Michigan Municipal Bonds and Municipal
Bonds are "general obligation" bonds and "revenue" bonds, which latter category
includes PABs and, for bonds issued on or before August 15, 1986, industrial
development bonds or "IDBs". General obligation bonds (other than those of the
State of Michigan, which has limited taxing powers) are typically secured by
the issuer's pledge of faith, credit and taxing power for the repayment of
principal and the payment of interest. Revenue or special obligation bonds are
typically payable only from the revenues derived from a particular facility or
class of facilities or, in some cases, from the proceeds of a special excise
tax or other specific revenue source such as from the user of the facility
being financed. PABs are in most cases revenue bonds and do not generally
constitute the pledge of the credit or taxing power of the issuer of such
bonds. The repayment of principal and the payment of interest on such
industrial development bonds depends solely on the ability of the user of the
facility financed by the bonds to meet its financial obligations and the
pledge, if any, of real and personal property so financed as security for such
payment. Michigan Municipal Bonds and Municipal Bonds may also include "moral
obligation" bonds, which are normally issued by special purpose public
authorities. If an issuer of moral obligation bonds is unable to meet its
obligations, the repayment of such bonds becomes a moral commitment but not a
legal obligation of the state or municipality in question.

  The Fund may purchase Michigan Municipal Bonds and Municipal Bonds classified
as PABs. Interest received on certain PABs is treated as an item of "tax
preference" for purposes of the Federal alternative minimum tax and may impact
the overall tax liability of investors in the Fund. There is no limitation on
the percentage of the Fund's assets that may be invested in Michigan Municipal
Bonds and Municipal Bonds the interest on which is treated as an item of "tax
preference" for purposes of the Federal alternative minimum tax. See "Taxes--
General." Also included within the general category of Michigan Municipal Bonds
and/or Municipal Bonds are certificates of participation ("COPs") executed and
delivered for the benefit of government authorities or entities to finance the
acquisition or construction of equipment, land and/or facilities. COPs
represent participations in a lease, an installment purchase contract or a
conditional sales contract (hereinafter collectively referred to as "lease
obligations") relating to such equipment, land or facilities. Although lease
obligations typically do not constitute general obligations of the issuer for
which the issuer's unlimited taxing power is pledged, a lease obligation
frequently is backed by the issuer's covenant to budget for, appropriate and
make the payments due under the lease obligation. However, certain lease
obligations contain "non-appropriation" clauses which provide that the issuer
has no obligation to make lease or installment purchase payments in future
years unless money is appropriated for such purpose on a yearly basis. Although
"non-appropriation" lease obligations are secured by the lease property,
disposition of the property in the event of foreclosure might prove difficult.

  Federal tax legislation has limited and may continue to limit the types and
volume of bonds the interest on which is excluded from income for Federal
income tax purposes. Such legislation may be enacted in the future may affect
the availability of Michigan Municipal Bonds and Municipal Bonds for investment
by the Fund.

Options and Futures Transactions

  The following is a description of the options and futures transactions in
which the Fund may engage, limitations on the Fund's use of such transactions
and risks associated with these transactions. The investment policies with
respect to the hedging transactions of the Fund are not fundamental policies
and may be modified by the Board of Directors of the Fund without the approval
of the Fund's shareholders.

  Writing Covered Call Options. The Fund may write (i.e., sell) covered call
options with respect to Michigan Municipal Bonds and Municipal Bonds it owns,
thereby giving the holder of the option the right to buy the underlying
security covered by the option from the Fund at the stated exercise price until
the option expires. The Fund writes only covered call options, which means that
so long as the Fund is obligated as the writer of a call option, it will own
the underlying securities subject to the option. The Fund may not write covered
call options on underlying securities in an amount exceeding 15% of the market
value of its total assets.


                                       4
<PAGE>

  The Fund will receive a premium from writing a call option, which increases
the Fund's return on the underlying security in the event the option expires
unexercised or is closed out at a profit. By writing a call, the Fund limits
its opportunity to profit from an increase in the market value of the
underlying security above the exercise price of the option for as long as the
Fund's obligation as a writer continues. Covered call options may serve as a
partial hedge against a decline in the price of the underlying security. The
Fund may engage in closing transactions in order to terminate outstanding
options that it has written.

  Purchase of Options. The Fund may purchase put options in connection with its
hedging activities. By buying a put the Fund has a right to sell the underlying
security at the exercise price, thus limiting the Fund's risk of loss through a
decline in the market value of the security until the put expires. The amount
of any appreciation in the value of the underlying security will be partially
offset by the amount of the premium paid for the put option and any related
transaction costs. Prior to its expiration, a put option may be sold in a
closing sale transaction; profit or loss from the sale will depend on whether
the amount received is more or less than the premium paid for the put option
plus the related transaction costs. A closing sale transaction cancels out the
Fund's position as the purchaser of an option by means of an offsetting sale of
an identical option prior to the expiration of the option it has purchased. In
certain circumstances, the Fund may purchase call options on securities held in
its portfolio on which it has written call options or on securities that it
intends to purchase. The Fund will not purchase options on securities if, as a
result of such purchase, the aggregate cost of all outstanding options on
securities held by the Fund would exceed 5% of the market value of the Fund's
total assets.

  Financial Futures Contracts and Options. The Fund is authorized to purchase
and sell certain financial futures contracts and options thereon solely for the
purpose of hedging its investments in Michigan Municipal Bonds and Municipal
Bonds against declines in value and hedging against increases in the cost of
securities it intends to purchase. A financial futures contract obligates the
seller of a contract to deliver and the purchaser of a contract to take
delivery of the type of financial instrument covered by the contract or, in the
case of index-based financial futures contracts, to make and accept a cash
settlement, at a specific future time for a specified price. A sale of
financial futures contracts may provide a hedge against a decline in the value
of portfolio securities because such depreciation may be offset, in whole or in
part, by an increase in the value of the position in the financial futures
contracts. A purchase of financial futures contracts may provide a hedge
against an increase in the cost of securities intended to be purchased because
such appreciation may be offset, in whole or in part, by an increase in the
value of the position in the financial futures contracts.

  The purchase or sale of a financial futures contract differs from the
purchase or sale of a security in that no price or premium is paid or received.
Instead, an amount of cash or securities acceptable to the broker equal to
approximately 5% of the contract amount must be deposited with the broker. This
amount is known as initial margin. Subsequent payments to and from the broker,
called variation margin, are made on a daily basis as the price of the
financial futures contract fluctuates making the long and short positions in
the financial futures contract more or less valuable.

  The Fund may purchase and sell financial futures contracts based on The Bond
Buyer Municipal Bond Index, a price-weighted measure of the market value of 40
large tax-exempt issues, and purchase and sell put and call options on such
financial futures contracts for the purpose of hedging Michigan Municipal Bonds
and Municipal Bonds which the Fund holds or anticipates purchasing against
adverse changes in interest rates. The Fund also may purchase and sell
financial futures contracts on U.S. Government securities and purchase and sell
put and call options on such financial futures contracts for such hedging
purposes. With respect to U.S. Government securities, currently there are
financial futures contracts based on long-term U.S. Treasury bonds, U.S.
Treasury notes, GNMA Certificates and three-month U.S. Treasury bills.

  Subject to policies adopted by the Board of Directors, the Fund also may
engage in transactions in other financial futures contracts, such as financial
futures contracts on other municipal bond indices that may become available, if
the Investment Adviser should determine that there is normally sufficient
correlation between the prices of such financial futures contracts and the
Michigan Municipal Bonds and Municipal Bonds in which the Fund invests to make
such hedging appropriate.


                                       5
<PAGE>

  Over-The-Counter Options.  The Fund may engage in options and futures
transactions on exchanges and in the over-the-counter markets. In general,
exchange-traded contracts are third-party contracts (i.e., performance of the
parties' obligations is guaranteed by an exchange or clearing corporation)
with standardized strike prices and expiration dates. Over-the-counter options
transactions ("OTC options") are two-party contracts with prices and terms
negotiated by the buyer and seller. See "Restrictions on OTC Options" below
for information as to restrictions on the use of OTC options.

  Restrictions on OTC Options. The Fund will engage in transactions in OTC
options only with banks or dealers that have capital of at least $50 million
or whose obligations are guaranteed by an entity having capital of at least
$50 million. Certain OTC options and assets used to cover OTC options written
by the Fund may be considered to be illiquid. The illiquidity of such options
or assets may prevent a successful sale of such options or assets, result in a
delay of sale, or reduce the amount of proceeds that might otherwise be
realized.

  Risk Factors in Options and Futures Transactions. Utilization of futures
transactions involves the risk of imperfect correlation in movements in the
price of financial futures contracts and movements in the price of the
security that is the subject of the hedge. If the price of the financial
futures contract moves more or less than the price of the security that is the
subject of the hedge, the Fund will experience a gain or loss that will not be
completely offset by movements in the price of such security. There is a risk
of imperfect correlation where the securities underlying financial futures
contracts have different maturities, ratings, geographic compositions or other
characteristics than the security being hedged. In addition, the correlation
may be affected by additions to or deletions from the index that serves as a
basis for a financial futures contract. Finally, in the case of financial
futures contracts on U.S. Government securities and options on such financial
futures contracts, the anticipated correlation of price movements between the
U.S. Government securities underlying the futures or options and Michigan
Municipal Bonds and Municipal Bonds may be adversely affected by economic,
political, legislative or other developments which have a disparate impact on
the respective markets for such securities.

  Under regulations of the Commodity Futures Trading Commission (the "CFTC"),
the futures trading activities described herein will not result in the Fund
being deemed a "commodity pool," as defined under such regulations, provided
that the Fund adheres to certain restrictions. In particular, the Fund may
purchase and sell financial futures contracts and options thereon (i) for bona
fide hedging purposes, without regard to the percentage of the Fund's assets
committed to margin and option premiums, and (ii) for non-hedging purposes if,
immediately thereafter, the sum of the amount of initial margin deposits on
the Fund's existing futures positions and option premiums entered into for
non-hedging purposes does not exceed 5% of the market value of the liquidation
value of the Fund's portfolio, after taking into account unrealized profits
and unrealized losses on any such transactions. Margin deposits may consist of
cash or securities acceptable to the broker and the relevant contract market.

  When the Fund purchases a financial futures contract, or writes a put option
or purchases a call option thereon, it will maintain an amount of cash, cash
equivalents (e.g., commercial paper and daily tender adjustable notes) or
liquid securities in a segregated account with the Fund's custodian so that
the amount so segregated plus the amount of initial and variation margin held
in the account of its broker equals the market value of the financial futures
contract, thereby ensuring that the use of such financial futures contract is
unleveraged.

  Certain risks are involved in options and futures transactions. The
Investment Adviser believes, however, that, because the Fund will engage in
options and futures transactions only for hedging purposes, the Fund's options
and futures portfolio strategies will not subject the Fund to those risks
associated with speculation in options and futures transactions.

  The volume of trading in the exchange markets with respect to Michigan
Municipal Bond or Municipal Bond options may be limited, and it is impossible
to predict the amount of trading interest that may exist in such options. In
addition, there can be no assurance that viable exchange markets will continue
to be available.


                                       6
<PAGE>

  The Fund intends to enter into options and futures transactions, on an
exchange or in the over-the-counter market, only if there appears to be a
liquid secondary market for such options or futures. There can be no assurance,
however, that a liquid secondary market will exist at any specific time. Thus,
it may not be possible to close an options or futures transaction. The
inability to close options and futures positions also could have an adverse
impact on the Fund's ability to effectively hedge its portfolio. There is also
the risk of loss by the Fund of margin deposits or collateral in the event of
bankruptcy of a broker with which the Fund has an open position in an option or
financial futures contract.

  The liquidity of a secondary market in a financial futures contract may be
adversely affected by "daily price fluctuation limits" established by commodity
exchanges that limit the amount of fluctuation in a financial futures contract
price during a single trading day. Once the daily limit has been reached in the
contract, no trades may be entered into at a price beyond the limit, thus
preventing the liquidation of open futures positions. Prices have in the past
reached or exceeded the daily limit on a number of consecutive trading days.

  If it is not possible to close a financial futures position entered into by
the Fund, the Fund would continue to be required to make daily cash payments of
variation margin in the event of adverse price movements. In such a situation,
if the Fund has insufficient cash, it may have to sell portfolio securities to
meet daily variation margin requirements at a time when it may be
disadvantageous to do so.

  The successful use of these transactions also depends on the ability of the
Investment Adviser to forecast correctly the direction and extent of interest
rate movements within a given time frame. To the extent these rates remain
stable during the period in which a financial futures contract is held by the
Fund or move in a direction opposite to that anticipated, the Fund may realize
a loss on the hedging transaction that is not fully or partially offset by an
increase in the value of portfolio securities. As a result, the Fund's total
return for such period may be less than if it had not engaged in the hedging
transaction. Furthermore, the Fund will only engage in hedging transactions
from time to time and may not necessarily be engaging in hedging transactions
when movements in interest rates occur. The Fund is not required to enter into
hedging transactions and may not do so.

                            INVESTMENT RESTRICTIONS

  The following are fundamental investment restrictions of the Fund and may not
be changed without the approval of the holders of a majority of the Fund's
outstanding shares of common stock and outstanding shares of AMPS and any other
preferred stock, voting together as a single class, and the majority of the
outstanding shares of AMPS and any other preferred stock, voting as a separate
class (which for this purpose and under the 1940 Act means the lesser of (i)
67% of the shares of each class of capital stock represented at a meeting at
which more than 50% of the outstanding shares of each class of capital stock
are represented or (ii) more than 50% of the outstanding shares of each class
of capital stock). The Fund may not:

    1. Make investments for the purpose of exercising control or management.

    2. Purchase or sell real estate, commodities or commodity contracts;
  provided that the Fund may invest in securities secured by real estate or
  interests therein or issued by entities that invest in real estate or
  interest therein, and the Fund may purchase and sell financial futures
  contracts and options thereon.

    3. Issue senior securities or borrow money except as permitted by Section
  18 of the 1940 Act.

    4. Underwrite securities of other issuers except insofar as the Fund may
  be deemed an underwriter under the Securities Act of 1933, as amended, in
  selling portfolio securities.

    5. Make loans to other persons, except that the Fund may purchase
  Michigan Municipal Bonds, Municipal Bonds and other debt securities and
  enter into repurchase agreements in accordance with is investment
  objective, policies and limitations.

    6. Invest more than 25% of its total assets (taken at market value at the
  time of each investment) in securities of issuers in a single industry;
  provided that, for purposes of this restriction, states, municipalities and
  their political subdivisions are not considered to be part of any industry.


                                       7
<PAGE>

  Additional investment restrictions adopted by the Fund, which may be changed
by the Board of Directors without shareholder approval, provide that the Fund
may not:

    a. Purchase securities of other investment companies, except to the
  extent that such purchases are permitted by applicable law. Applicable law
  currently prohibits the Fund from purchasing the securities of other
  investment companies except if immediately thereafter not more than (i) 3%
  of the total outstanding voting stock of such company is owned by the Fund,
  (ii) 5% of the Fund's total assets, taken at market value, would be
  invested in any one such company, (iii) 10% of the Fund's total assets,
  taken at market value, would be invested in such securities, and (iv) the
  Fund, together with other investment companies having the same investment
  adviser and companies controlled by such companies, owns not more than 10%
  of the total outstanding stock of any one closed-end investment company.

    b. Mortgage, pledge, hypothecate or in any manner transfer, as security
  for indebtedness, any securities owned or held by the Fund except as may be
  necessary in connection with borrowings mentioned in investment restriction
  (3) above or except as may be necessary in connection with transactions in
  financial futures contracts and options thereon.

    c. Purchase any securities on margin, except that the Fund may obtain
  such short-term credit as may be necessary for the clearance of purchases
  and sales of portfolio securities (the deposit or payment by the Fund of
  initial or variation margin in connection with financial futures contracts
  and options thereon is not considered the purchase of a security on
  margin).

    d. Make short sales of securities or maintain a short position or invest
  in put, call, straddle or spread options, except that the Fund may write,
  purchase and sell options and futures on Michigan Municipal Bonds,
  Municipal Bonds, U.S. Government obligations and related indices or
  otherwise in connection with bona fide hedging activities and may purchase
  and sell Call Rights to require mandatory tender for the purchase of
  related Michigan Municipal Bonds and Municipal Bonds.

  If a percentage restriction on the investment or use of assets set forth
above is adhered to at the time a transaction is effected, later changes in
percentages resulting from changing values will not be considered a violation.

  For so long as shares of AMPS are rated by Moody's, the Fund will not change
these additional investment restrictions unless it receives written
confirmation from Moody's that engaging in such transactions would not impair
the rating then assigned to the shares of AMPS by Moody's.

  The Fund has no intention to file a voluntary application for relief under
Federal bankruptcy law or any similar application under state law for so long
as the Fund is solvent and does not foresee becoming insolvent.

  The Investment Adviser of the Fund and Merrill Lynch are owned and controlled
by Merrill Lynch & Co. ("ML & Co."). Because of the affiliation of Merrill
Lynch with the Investment Adviser, the Fund is prohibited from engaging in
certain transactions involving Merrill Lynch except pursuant to an exemptive
order or otherwise in compliance with the provisions of the 1940 Act and the
rules and regulations thereunder. Included among such restricted transactions
will be purchases from or sales to Merrill Lynch of securities in transactions
in which it acts as principal. An exemptive order has been obtained that
permits the Fund to effect principal transactions with Merrill Lynch in high
quality, short-term, tax-exempt securities subject to conditions set forth in
such order. The Fund may consider in the future requesting an order permitting
other principal transactions with Merrill Lynch, but there can be no assurance
that such application will be made and, if made, that such order would be
granted.

                                       8
<PAGE>

                              DESCRIPTION OF AMPS

  Certain of the capitalized terms used herein are defined in the Glossary that
appears at the back of the prospectus.

  The AMPS will be shares of preferred stock that entitle their holders to
receive dividends when, as and if declared by the Board of Directors, out of
funds legally available therefor, at a rate per annum that may vary for the
successive Dividend Periods. After the Initial Dividend Period, each Subsequent
Dividend Period for the AMPS generally will be a 7-Day Dividend Period;
provided, however, that prior to any Auction, the Fund may elect, subject to
certain limitations described herein, upon giving notice to holders thereof, a
Special Dividend Period. The Applicable Rate for a particular Dividend Period
will be determined by an Auction conducted on the Business Day before the start
of such Dividend Period. Beneficial Owners and Potential Beneficial Owners of
shares of AMPS may participate in Auctions therefor, although, except in the
case of a Special Dividend Period, Beneficial Owners desiring to continue to
hold all of their shares of AMPS regardless of the Applicable Rate resulting
from Auctions need not participate. For an explanation of Auctions and the
method of determining the Applicable Rate, see Appendix E--"Auction
Procedures."

  Except as otherwise required by law or unless there is no Securities
Depository, all outstanding shares of AMPS will be represented by one or more
certificates registered in the name of the nominee of the Securities Depository
(initially expected to be Cede), and no person acquiring shares of AMPS will be
entitled to receive a certificate representing such shares. See Appendix E--
"Auction Procedures." As a result, the nominee of the Securities Depository is
expected to be the sole holder of record of the shares of AMPS. Accordingly,
each purchaser of AMPS must rely on (i) the procedures of the Securities
Depository and, if such purchaser is not a member of the Securities Depository,
such purchaser's Agent Member, to receive dividends, distributions and notices
and to exercise voting rights (if and when applicable) and (ii) the records of
the Securities Depository and, if such purchaser is not a member of the
Securities Depository, such purchaser's Agent Member, to evidence its
beneficial ownership of shares of AMPS.

  When issued and sold, the shares of AMPS 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) and will be fully paid and non-assessable.
See "Description of AMPS--Liquidation Rights" in the prospectus. The shares of
AMPS will not be convertible into shares of common stock or other capital stock
of the Fund, and the holders thereof will have no preemptive rights. The AMPS
will not be subject to any sinking fund but will be subject to redemption at
the option of the Fund at the Optional Redemption Price on any Dividend Payment
Date (except during the Initial Dividend Period and during a Non-Call Period)
and, under certain circumstances, will be subject to mandatory redemption by
the Fund at the Mandatory Redemption Price stated in the prospectus. See
"Description of AMPS--Redemption" in the prospectus.

  In addition to serving as the Auction Agent in connection with the Auction
Procedures described in the prospectus, IBJ Whitehall Bank & Trust Company will
be the transfer agent, registrar, dividend disbursing agent and redemption
agent for the shares of AMPS. The Auction Agent, however, will serve merely as
the agent of the Fund, acting in accordance with the Fund's instructions, and
will not be responsible for any evaluation or verification of any matters
certified to it.

  Except in an Auction, the Fund will have the right (to the extent permitted
by applicable law) to purchase or otherwise acquire any shares of AMPS so long
as the Fund is current in the payment of dividends on AMPS and on any other
capital stock of the Fund ranking on a parity with the AMPS with respect to the
payment of dividends or upon liquidation.

  The following supplements the description of the terms of the shares of AMPS
set forth in the prospectus. This description does not purport to be complete
and is subject to and qualified in its entirety by reference to the Fund's
Charter and Articles Supplementary, including the provisions thereof
establishing the AMPS. The

                                       9
<PAGE>

Fund's Charter and the form of Articles Supplementary establishing the terms of
the AMPS have been filed as exhibits to the Registration Statement of which
this statement of additional information is a part.

Dividends

  General. The holders of shares of AMPS will be entitled to receive, when, as
and if declared by the Board of Directors of the Fund, out of funds legally
available therefor, cumulative cash dividends on their shares, at the
Applicable Rate determined as set forth below under "Determination of Dividend
Rate," payable on the respective dates set forth below. Dividends on the shares
of AMPS so declared and payable shall be paid (i) in preference to and in
priority over any dividends so declared and payable on the Common Stock, and
(ii) to the extent permitted under the Code and to the extent available, out of
net tax-exempt income earned on the Fund's investments. Generally, dividends on
shares of AMPS, to the extent that they are derived from interest paid on
Municipal Bonds, will be exempt from Federal income taxes, subject to possible
application of the alternative minimum tax. See "Taxes."

  Notification of Dividend Period. In determining whether the Fund should issue
a Notice of Special Dividend for the AMPS, 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 AMPS, (iv) industry and financial conditions which
may affect the AMPS, (v) the investment objective of the Fund and (vi) the
Dividend Periods and dividend rates at which current and potential beneficial
holders of the AMPS would remain or become beneficial holders. If the Broker-
Dealers shall not give the Fund 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 Fund give a Notice of Special Dividend Period for
the AMPS, the Fund 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 Fund give a Notice of Special Dividend
Period for the AMPS, the Fund, 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 Fund also shall provide a copy of such Notice of Special Dividend Period to
Moody's and S&P. The Fund 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 AMPS Asset Coverage is not satisfied or the Fund
shall fail to maintain S&P Eligible Assets and Moody's Eligible Assets each
with an aggregate Discounted Value at least equal to the AMPS Basic Maintenance
Amount, in each case 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 Fund is an
approximately equal rate for securities similar to the AMPS with an equal
dividend period), provided that, in calculating the aggregate Discounted Value
of Moody's Eligible Assets for this purpose, the Moody's Exposure Period shall
be deemed to be one week longer, (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 Fund that, after consideration of the factors listed
above, they have concluded that it is advisable to give a Notice of Revocation.
The Fund also shall provide a copy of such Notice of Revocation to Moody's and
S&P. If the Fund 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
Fund 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 7-Day
Dividend Period. In addition, in the event Sufficient Clearing Bids are not
made in any Auction or an Auction is not held for any reason, the next
succeeding Dividend

                                       10
<PAGE>

Period will be a 7-Day Dividend Period, and the Fund 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 7-Day Dividend Period.

  Non-Payment Period; Late Charge. A Non-Payment Period will commence if the
Fund 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 shares of AMPS payable on such Dividend Payment
Date or (ii) deposit, irrevocably in trust, in same-day funds, with the Auction
Agent by 12:00 noon, Eastern 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 shares of AMPS called
for redemption, the Mandatory Redemption Price per share of such AMPS 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,
Eastern 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 AMPS will
not end unless the Fund 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 shares of AMPS. Notwithstanding
the foregoing, the failure by the Fund 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 shares of AMPS 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 7-Day Dividend Period. Any dividend on shares of AMPS
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
Fund has declared such dividend payable on such Dividend Payment Date to the
persons who held such shares as of 12:00 noon, Eastern 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, Eastern 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 365. In the case of a willful failure of the Fund to pay a dividend
on a Dividend Payment Date or to redeem any shares of AMPS 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, Eastern 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, Eastern time, on the next Business Day.

  The Non-Payment Period Rate initially will be 200% of the applicable
Reference Rate (or 275% of such rate if the Fund has provided notification to
the Auction Agent prior to the Auction establishing the Applicable Rate for any
dividend that net capital gains or other taxable income will be included in
such dividend on shares of AMPS), provided that the Board of Directors of the
Fund shall have the authority to adjust, modify, alter or change from time to
time the initial Non-Payment Period Rate if the Board of Directors of the Fund
determines and Moody's and S&P (and any Substitute Rating Agency in lieu of
Moody's or S&P in the event either of such parties shall not rate the AMPS)
advise the Fund in writing that such adjustment, modification, alteration or
change will not adversely affect their then-current ratings on the AMPS.


                                       11
<PAGE>

  Restrictions on Dividends and Other Payments. For so long as any shares of
AMPS are outstanding, the Fund 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 stock or other stock, if any, ranking junior to shares of AMPS as to
dividends or upon liquidation) in respect of common stock or any other stock of
the Fund ranking junior to or on a parity with shares of AMPS as to dividends
or upon liquidation, or call for redemption, redeem, purchase or otherwise
acquire for consideration any shares of common stock or any other such junior
stock (except by conversion into or exchange for stock of the Fund ranking
junior to AMPS as to dividends and upon liquidation) or any such parity stock
(except by conversion into or exchange for stock of the Fund ranking junior to
or on a parity with AMPS as to dividends and upon liquidation), unless (A)
immediately after such transaction, the Fund would have S&P Eligible Assets and
Moody's Eligible Assets each with an aggregate Discounted Value equal to or
greater than the AMPS Basic Maintenance Amount, and the 1940 Act AMPS Asset
Coverage (see "Asset Maintenance" and "Redemption" below) would be satisfied,
(B) full cumulative dividends on shares of AMPS 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, (C)
any Additional Dividend required to be paid on or before the date of such
declaration or payment has been paid and (D) the Fund has redeemed the full
number of shares of AMPS required to be redeemed by any provision for mandatory
redemption contained in the Articles Supplementary.

Asset Maintenance

  1940 Act AMPS Asset Coverage. The Fund will be required under the Articles
Supplementary to maintain, with respect to shares of AMPS, as of the last
Business Day of each month in which any shares of AMPS are outstanding, asset
coverage of at least 200% with respect to senior securities which are stock,
including the shares of AMPS (or such other asset coverage as in the future may
be specified in or under the 1940 Act as the minimum asset coverage for senior
securities which are stock of a closed-end investment company as a condition of
paying dividends on its common stock) ("1940 Act AMPS Asset Coverage"). If the
Fund fails to maintain 1940 Act AMPS Asset Coverage and such failure is not
cured as of the last Business Day of the following month (the "1940 Act Cure
Date"), the Fund will be required under certain circumstances to redeem certain
of the shares of AMPS. See "Redemption" in the prospectus and below.

  AMPS Basic Maintenance Amount.  So long as shares of AMPS are outstanding,
the Fund will be required under the Articles Supplementary to maintain as of
each Business Day (a "Valuation Date") S&P Eligible Assets and Moody's Eligible
Assets each having in the aggregate a Discounted Value at least equal to the
AMPS Basic Maintenance Amount. If the Fund fails to meet such requirement as of
any Valuation Date and such failure is not cured on or before the sixth
Business Day after such Valuation Date (the "AMPS Basic Maintenance Cure
Date"), the Fund will be required under certain circumstances to redeem certain
of the shares of AMPS. Upon any failure to maintain the required Discounted
Value, the Fund will use its best efforts to alter the composition of its
portfolio to reattain a Discounted Value at least equal to the AMPS Basic
Maintenance Amount on or prior to the AMPS Basic Maintenance Cure Date. See
"Redemption" in the prospectus and below.

  The AMPS Basic Maintenance Amount as of any Valuation Date is defined as the
dollar amount equal to (i) the sum of (A) the product of the number of shares
of AMPS outstanding on such Valuation Date multiplied by the sum of $25,000 and
any applicable redemption premium attributable to the designation of a Premium
Call Period; (B) the aggregate amount of cash dividends (whether or not earned
or declared) that will have accumulated for each share of AMPS outstanding to
(but not including) the end of the current Dividend Period that follows such
Valuation Date in the event the then-current Dividend Period will end within 49
calendar days of such Valuation Date or through the 49th day after such
Valuation Date in the event the then-current Dividend Period for the AMPS will
not end within 49 calendar days of such Valuation Date; (C) in the event the
then-current Dividend Period will end within 49 calendar days of such Valuation
Date, the aggregate amount of cash dividends that would accumulate at the
Maximum Applicable Rate applicable to a Dividend Period of 28 or fewer days on
any shares of AMPS outstanding from the end of such Dividend Period through

                                       12
<PAGE>

the 49th day after such Valuation Date, multiplied by the larger of the Moody's
Volatility Factor and the S&P Volatility Factor determined from time to time by
Moody's and S&P, respectively (except that if such Valuation Date occurs during
a Non-Payment Period, the cash dividend for purposes of calculation would
accumulate at the then-current Non-Payment Period Rate); (D) the amount of
anticipated Fund expenses for the 90 days subsequent to such Valuation Date
(including any premiums payable with respect to a Policy); (E) the amount of
the Fund's Maximum Potential Additional Dividend Liability as of such Valuation
Date; and (F) any current liabilities as of such Valuation Date to the extent
not reflected in any of (i) (A) through (i) (E) (including, without limitation,
and immediately upon determination, any amounts due and payable by the Fund
pursuant to repurchase agreements, any amounts payable for Michigan Municipal
Bonds or Municipal Bonds purchased as of such Valuation Date) less (ii) either
(A) the Discounted Value of any Fund assets, or (B) the face value of any of
the Fund's assets if such assets mature prior to or on the date of redemption
of AMPS or payment of a liability and are either securities issued or
guaranteed by the United States Government or Deposit Securities, in both cases
irrevocably deposited by the Fund for the payment of the amount needed to
redeem shares of AMPS subject to redemption or to satisfy any of (i) (B)
through (i) (F). For Moody's and S&P the Fund shall include as a liability an
amount calculated semi-annually equal to 150% of the estimated cost of
obtaining other insurance guaranteeing the timely payment of interest on a
Moody's Eligible Asset or S&P Eligible Asset and principal thereof to maturity
with respect to Moody's Eligible Assets and S&P Eligible Assets that (i) are
covered by a Policy which provides the Fund with the option to obtain such
other insurance and (ii) are discounted by a Moody's Discount Factor or S&P
Discount Factor, as the case may be, determined by reference to the insurance
claims-paying ability rating of the issuer of such Policy. For purposes of the
foregoing, "Maximum Potential Additional Dividend Liability," as of any
Valuation Date, means the aggregate amount of Additional Dividends that would
be due if the Fund were to make Retroactive Taxable Allocations, with respect
to any fiscal year, estimated based upon dividends paid and the amount of
undistributed realized net capital gains and other taxable income earned by the
Fund, as of the end of the calendar month immediately preceding such Valuation
Date and assuming such Additional Dividends are fully taxable.

  The Discount Factors and guidelines for determining the market value of the
Fund's portfolio holdings have been based on criteria established in connection
with rating the AMPS. These factors include, but are not limited to, the
sensitivity of the market value of the relevant asset to changes in interest
rates, the liquidity and depth of the market for the relevant asset, the credit
quality of the relevant asset (for example, the lower the rating of a debt
obligation, the higher the related discount factor) and the frequency with
which the relevant asset is marked to market. In no event shall the Discounted
Value of any asset of the Fund exceed its unpaid principal balance or face
amount as of the date of calculation. The Discount Factor relating to any asset
of the Fund and the AMPS Basic Maintenance Amount, the assets eligible for
inclusion in the calculation of the Discounted Value of the Fund's portfolio
and certain definitions and methods of calculation relating thereto may be
changed from time to time by the Fund, without shareholder approval, but only
in the event the Fund receives written confirmation from S&P, Moody's and any
Substitute Rating Agency that any such changes would not impair the ratings
then assigned to the shares of AMPS by S&P or Moody's or any Substitute Rating
Agency.

  On or before the third Business Day after a Valuation Date on which the Fund
fails to maintain S&P Eligible Assets and Moody's Eligible Assets each with an
aggregate Discounted Value equal to or greater than the AMPS Basic Maintenance
Amount, the Fund is required to deliver to the Auction Agent, Moody's and S&P a
report with respect to the calculation of the AMPS Basic Maintenance Amount and
the value of its portfolio holdings as of the date of such failure (an "AMPS
Basic Maintenance Report"). Additionally, on or before the third Business Day
after the first day of a Special Dividend Period, the Fund will deliver an AMPS
Basic Maintenance Report to S&P and the Auction Agent. The Fund also will
deliver an AMPS Basic Maintenance Report as of the twenty-fifth day of the last
month of each fiscal quarter of the Fund (or, if such day is not a Business
Day, the next succeeding Business Day) on or before the third Business Day
after such day. Within ten Business Days after delivery of such report relating
to the twenty-fifth day of the last month of each fiscal quarter of the Fund,
the Fund will deliver a letter prepared by the Fund's independent accountants

                                       13
<PAGE>

regarding the accuracy of the calculations made by the Fund in its most recent
AMPS Basic Maintenance Report. Also, on or before 5:00 p.m., Eastern time, on
the first Business Day after shares of common stock are repurchased by the
Fund, the Fund will complete and deliver to S&P and Moody's an AMPS Basic
Maintenance Report as of the close of business on such date that common stock
is repurchased. If any such letter prepared by the Fund's independent
accountants shows that an error was made in the most recent AMPS Basic
Maintenance Report, the calculation or determination made by the Fund's
independent accountants will be conclusive and binding on the Fund.

Redemption

  Mandatory Redemption. The number of shares of AMPS to be redeemed will be
equal to the lesser of (a) the minimum number of shares of AMPS the redemption
of which, if deemed to have occurred immediately prior to the opening of
business on the Cure Date, together with all other shares of the preferred
stock subject to redemption or retirement, would result in the Fund having S&P
Eligible Assets and Moody's Eligible Assets each with an aggregate Discounted
Value equal to or greater than the AMPS Basic Maintenance Amount or
satisfaction of the 1940 Act AMPS Asset Coverage, as the case may be, on such
Cure Date (provided that, if there is no such minimum number of shares the
redemption of which would have such result, all shares of AMPS then outstanding
will be redeemed), and (b) the maximum number of shares of AMPS, together with
all other shares of preferred stock 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 AMPS required to be
redeemed in accordance with the foregoing, the Fund shall allocate the number
required to be redeemed which would result in the Fund having S&P Eligible
Assets and Moody's Eligible Assets each with an aggregate Discounted Value
equal to or greater than the AMPS Basic Maintenance Amount or satisfaction of
the 1940 Act AMPS Asset Coverage, as the case may be, pro rata among shares of
AMPS and other preferred stock subject to redemption pursuant to provisions
similar to those set forth below; provided that, shares of AMPS which may not
be redeemed at the option of the Fund due to the 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
Fund is required to effect such a mandatory redemption not later than 35 days
after such Cure Date, except that if the Fund does not have funds legally
available for the redemption of all of the required number of shares of AMPS
which are subject to mandatory redemption or the Fund otherwise is unable to
effect such redemption on or prior to 35 days after such Cure Date, the Fund
will redeem those shares of AMPS which it was unable to redeem on the earliest
practicable date on which it is able to effect such redemption.

  Notice of Redemption. If shares of AMPS are to be redeemed, a notice of
redemption will be mailed to each record holder of such shares of AMPS
(initially Cede as nominee of the Securities Depository) and to the Auction
Agent not less than 17 nor more than 60 days prior to the date fixed for the
redemption thereof. Each notice of redemption will include a statement setting
forth: (i) the redemption date, (ii) the aggregate number of shares of AMPS to
be redeemed, (iii) the redemption price, (iv) the place or places where shares
of AMPS are to be surrendered for payment of the redemption price, (v) a
statement that dividends on the shares to be redeemed will cease to accumulate
on such redemption date (except that holders may be entitled to Additional
Dividends) and (vi) the provision of the Articles Supplementary pursuant to
which such shares are being redeemed. The notice also will be published in The
Wall Street Journal. No defect in the notice of redemption or in the mailing or
publication thereof will affect the validity of the redemption proceedings,
except as required by applicable law.

  In the event that less than all of the outstanding shares of AMPS are to be
redeemed, the shares to be redeemed will be selected by lot or such other
method as the Fund shall deem fair and equitable, and the results thereof will
be communicated to the Auction Agent. The Auction Agent will give notice to the
Securities Depository, whose nominee will be the record holder of all shares of
AMPS, and the Securities Depository will

                                       14
<PAGE>

determine the number of shares to be redeemed from the account of the Agent
Member of each Existing Holder. Each Agent Member will determine the number of
shares to be redeemed from the account of each Existing Holder for which it
acts as agent. An Agent Member may select for redemption shares from the
accounts of some Existing Holders without selecting for redemption any shares
from the accounts of other Existing Holders. Notwithstanding the foregoing, if
neither the Securities Depository nor its nominee is the record holder of all
of the shares, the particular shares to be redeemed shall be selected by the
Fund by lot or by such other method as the Fund shall deem fair and equitable.

  If the Fund gives notice of redemption, and concurrently or thereafter
deposits in trust with the Auction Agent, or segregates in an account at the
Fund'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 S&P and S&P Exposure Period of 22 Business Days)
equal to the redemption payment for the shares of AMPS as to which notice of
redemption has been given, with irrevocable instructions and authority to pay
the redemption price to the record holders thereof, then upon the date of such
deposit or, if no such deposit is made, upon such date fixed for redemption
(unless the Fund shall default in making payment of the redemption price), all
rights of the holders of such shares called for redemption will cease and
terminate, except the right of such holders to receive the redemption price
thereof and any Additional Dividends, but without interest, and such shares no
longer will be deemed to be outstanding. The Fund will be entitled to receive,
from time to time, the interest, if any, earned on such Deposit Securities
deposited with the Auction Agent, and the holders of any shares so redeemed
will have no claim to any such interest. Any funds so deposited which are
unclaimed at the end of one year from such redemption date will be repaid, upon
demand, to the Fund, after which the holders of the shares of AMPS so called
for redemption may look only to the Fund for payment thereof.

  So long as any shares of AMPS are held of record by the nominee of the
Securities Depository (initially Cede), the redemption price for such shares
will be paid on the redemption date to the nominee of the Securities
Depository. The Securities Depository's normal procedures now provide for it to
distribute the amount of the redemption price to Agent Members who, in turn,
are expected to distribute such funds to the persons for whom they are acting
as agent.

  Notwithstanding the provisions for redemption described above, no shares of
AMPS shall be subject to optional redemption (i) unless all dividends in
arrears on the outstanding shares of AMPS, and all capital stock of the Fund
ranking on a parity with the AMPS 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 Fund's
failure to maintain Moody's Eligible Assets or S&P Eligible Assets with an
aggregate Discounted Value equal to or greater than the AMPS Basic Maintenance
Amount.

Voting Rights

  In connection with the election of the Fund's directors, holders of shares of
AMPS and any other preferred stock, voting as a separate class, shall be
entitled at all times to elect two of the Fund's directors, and the remaining
directors will be elected by holders of shares of common stock and shares of
AMPS and any other preferred stock, voting together as a single class. In
addition, if at any time dividends on outstanding shares of AMPS 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 stock are entitled, together
with the holders of AMPS, to elect a majority of the directors of the Fund
under the 1940 Act, then the number of directors constituting the Board of
Directors automatically shall be increased by the smallest number that, when
added to the two directors elected exclusively by the holders of shares of AMPS
and any other preferred stock as described above, would constitute a majority
of the Board of Directors 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 directors are to be
elected, the holders of shares of AMPS and any other preferred stock, voting as
a separate class, will be entitled to elect the smallest number of additional
directors that, together with the two directors which such holders in any event
will be entitled to elect, constitutes a majority of the total number of
directors of the Fund as so increased. The terms of office of the persons who
are directors at the time of that

                                       15
<PAGE>

election will continue. If the Fund thereafter shall pay, or declare and set
apart for payment in full, all dividends payable on all outstanding shares of
AMPS and any other preferred stock for all past Dividend Periods, the
additional voting rights of the holders of shares of AMPS and any other
preferred stock as described above shall cease, and the terms of office of all
of the additional directors elected by the holders of shares of AMPS and any
other preferred stock (but not of the directors with respect to whose election
the holders of common stock were entitled to vote or the two directors the
holders of shares of AMPS and any other preferred stock 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 shares of AMPS and any other preferred stock, voting as
a separate class, will be required to (i) authorize, create or issue any class
or series of stock ranking prior to the AMPS or any other series of preferred
stock with respect to the payment of dividends or the distribution of assets on
liquidation, or (ii) amend, alter or repeal the provisions of the Articles of
Incorporation, whether by merger, consolidation or otherwise, so as to
adversely affect any of the contract rights expressly set forth in the Articles
of Incorporation of holders of shares of AMPS or any other preferred stock. To
the extent permitted under the 1940 Act, in the event shares of more than one
series of AMPS are outstanding, the Fund 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 Articles of Incorporation of a holder of shares of a
series of AMPS differently than those of a holder of shares of any other series
of AMPS without the affirmative vote of at least a majority of votes entitled
to be cast by holders of the shares of AMPS of each series adversely affected
and outstanding at such time (each such adversely affected series voting
separately as a class). The Board of Directors, however, without shareholder
approval, may amend, alter or repeal any or all of the various rating agency
guidelines described herein in the event the Fund receives confirmation from
the rating agencies that any such amendment, alteration or repeal would not
impair the ratings then assigned to shares of AMPS. Unless a higher percentage
is provided for under "Description of Capital Stock--Certain Provisions of the
Charter" in the prospectus, the affirmative vote of a majority of the votes
entitled to be cast by holders of outstanding shares of AMPS and any other
preferred stock, 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 Fund's
investment objective or changes in the investment restrictions described as
fundamental policies under "Investment Objective and Policies." The class vote
of holders of shares of AMPS and any other preferred stock described above in
each case will be in addition to a separate vote of the requisite percentage of
shares of common stock and shares of AMPS and any other preferred stock, voting
together as a single class, necessary to authorize the action in question.

  The foregoing voting provisions will not apply to any shares of AMPS 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 AUCTION

Auction Agent Agreement

  The Auction Agent will act as agent for the Fund in connection with Auctions.
In the absence of bad faith or negligence on its part, the Auction Agent will
not be liable for any action taken, suffered or omitted, or for any error of
judgment made, by it in the performance of its duties under the Auction Agent
Agreement, and will not be liable for any error of judgment made in good faith
unless the Auction Agent shall have been negligent in ascertaining the
pertinent facts. Pursuant to the Auction Agent Agreement, the Fund is required
to indemnify the Auction Agent for certain losses and liabilities incurred by
the Auction Agent without negligence or bad faith on its part in connection
with the performance of its duties under such agreement.

  The Auction Agent may terminate the Auction Agent Agreement upon notice to
the Fund, which termination may be no earlier than 60 days following delivery
of such notice. If the Auction Agent resigns, the

                                       16
<PAGE>

Fund 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 Fund may terminate the Auction Agent Agreement,
provided that prior to such termination the Fund shall have entered into such
an agreement with respect thereto with a successor Auction Agent.

Broker-Dealer Agreements

  The Auctions require the participation of one or more broker-dealers. 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
Agreement with Merrill Lynch may not be terminated without the prior written
consent of the Fund, which consent may not be unreasonably withheld.

Auction Procedures

  The Auction Procedures are set forth in Appendix E to this statement of
additional information. The Settlement Procedures to be used with respect to
Auctions are set forth in Appendix D to this statement of additional
information.

                            RATING AGENCY GUIDELINES

S&P AAA Rating Guidelines

  The Discounted Value of the Fund's S&P Eligible Assets is calculated on each
Valuation Date. See "Description of AMPS--Asset Maintenance--AMPS Basic
Maintenance Amount." S&P Eligible Assets include cash, Receivables for Michigan
Municipal Bonds Sold (as defined below) and Michigan Municipal Bonds or
Municipal Bonds eligible for consideration under S&P's current guidelines. For
purposes of calculating the Discounted Value of the Fund's portfolio under
current S&P guidelines, the fair market value of Michigan Municipal Bonds or
Municipal Bonds eligible for consideration under such guidelines must be
discounted by the applicable S&P Discount Factor set forth in the table below.
The Discounted Value of a Michigan Municipal Bond or Municipal Bond eligible
for consideration under S&P guidelines is the fair market value thereof divided
by the S&P Discount Factor. The S&P Discount Factor used to discount a
particular Michigan Municipal Bond or Municipal Bond will be determined by
reference to (a)(i) the rating by S&P, Moody's or Fitch on such Bond or (ii) in
the event the Michigan Municipal Bond is insured under a Policy and the terms
of the Policy permit the Fund, at its option, to obtain other permanent
insurance guaranteeing the timely payment of interest on such Michigan
Municipal Bond and principal thereof to maturity, the S&P insurance claims-
paying ability rating of the issuer of the Policy or (iii) in the event the
Michigan Municipal Bond is insured under an insurance policy which guarantees
the timely payment of interest on such Michigan Municipal Bond and principal
thereof to maturity, the S&P insurance claims-paying ability rating of the
issuer of the insurance policy and (b) the S&P Exposure Period. The S&P
Exposure Period is the maximum period of time following a Valuation Date,
including the Valuation Date and the AMPS Basic Maintenance Cure Date, that the
Fund has to cure any failure to maintain, as of such Valuation Date, a
Discounted Value for its portfolio at least equal to the AMPS Basic Maintenance
Amount.

  S&P Discount Factors applicable to Michigan Municipal Bonds for a range of
S&P Exposure Periods are set forth below:

<TABLE>
<CAPTION>
                                                              S&P Discount
                                                             Factors Rating
                                                                Category
                                                             ------------------
     Exposure Period                                         AAA  AA    A   BBB
     ---------------                                         ---  ---  ---  ---
     <S>                                                     <C>  <C>  <C>  <C>
     45 Business Days....................................... 215% 220% 235% 275%
     25 Business Days....................................... 195  100  215  255
     10 Business Days....................................... 180  185  100  240
      7 Business Days....................................... 175  180  195  235
      3 Business Days....................................... 155  160  175  215
</TABLE>

                                       17
<PAGE>

  Since the S&P Exposure Period currently applicable to the Fund is seven
Business Days, the S&P Discount Factors currently applicable to Municipal Bonds
eligible for consideration under S&P guidelines will be determined by reference
to the factors set forth opposite the exposure period line entitled "7 Business
Days." Notwithstanding the foregoing, (i) the S&P Discount Factor for short-
term Michigan Municipal Bonds will be 115%, so long as such Michigan Municipal
Bonds are rated A-1+ or SP-1+ by S&P and mature or have a demand feature
exercisable in 30 days or less, or 120% so long as such Michigan Municipal
Bonds are rated A-1 or SP-1 by S&P and mature or have a demand feature
exercisable in 30 days or less, or 125% if such Michigan Municipal Bonds are
not rated by S&P but are rated VMIG-1, P-1 or MIG-1 by Moody's or F-1+ by
Fitch; provided, however, such short-term Michigan Municipal Bonds rated by
Moody's or Fitch but not rated by S&P having a demand feature exercisable in 30
days or less must be backed by a letter of credit, liquidity facility or
guarantee from a bank or other financial institution having a short-term rating
of at least A-1+ from S&P; and further provided that such short-term Michigan
Municipal Bonds rated by Moody's or Fitch but not rated by S&P may comprise no
more than 50% of short-term Michigan Municipal Bonds that qualify as S&P
Eligible Assets, (ii) the S&P Discount Factor for Receivables for Michigan
Municipal Bonds Sold that are due in more than five Business Days from such
Valuation Date will be the S&P Discount Factor applicable to the Michigan
Municipal Bonds sold, and (iii) no S&P Discount Factor will be applied to cash
or to Receivables for Michigan Municipal Bonds Sold if such receivables are due
within five Business Days of such Valuation Date. "Receivables for Michigan
Municipal Bonds Sold," for purposes of calculating S&P Eligible Assets as of
any Valuation Date, means the book value of receivables for Michigan Municipal
Bonds sold as of or prior to such Valuation Date. The Fund may adopt S&P
Discount Factors for Municipal Bonds other than Michigan Municipal Bonds
provided that S&P advises the Fund in writing that such action will not
adversely affect its then current rating on the AMPS. For purposes of the
foregoing, Anticipation Notes rated SP-1 or, if not rated by S&P, rated VMIG-1
by Moody's or F-1+ by Fitch, which do not mature or have a demand feature
exercisable in 30 days and which do not have a long-term rating, shall be
considered to be short-term Michigan Municipal Bonds.

  The S&P guidelines require certain minimum issue size and geographical
diversification and impose other requirements for purposes of determining S&P
Eligible Assets. In order to be considered S&P Eligible Assets, Municipal Bonds
must:

    (i) be interest bearing and pay interest at least semi-annually;

    (ii) be payable with respect to principal and interest in U.S. dollars;

    (iii) be publicly rated BBB or higher by S&P or, except in the case of
  Anticipation Notes that are grant anticipation notes or bond anticipation
  notes, which must be rated by S&P to be included in S&P Eligible Assets, if
  not rated by S&P but rated by Moody's or Fitch, be rated at least A by
  Moody's or Fitch (provided that such Moody's-rated or Fitch-rated Michigan
  Municipal Bonds will be included in S&P Eligible Assets only to the extent
  the fair market value of such Michigan Municipal Bonds does not exceed 50%
  of the aggregate fair market value of the S&P Eligible Assets. For purposes
  of determining the S&P Discount Factors applicable to any such Moody's-
  rated or Fitch-rated Municipal Bonds, such Michigan Municipal Bonds will be
  deemed to have an S&P rating that is one full rating category lower than
  its Moody's rating or Fitch rating);

    (iv) not be subject to a covered call or covered put option written by
  the Fund;

    (v) except for inverse floating obligations, not be part of a private
  placement of Municipal Bonds; and

    (vi) except for inverse floaters, be part of an issue with an original
  issue size of at least $10 million or, if of an issue with an original
  issue size below $10 million (but in no event below $5 million), be either
  (a) issued by an issuer with a total of at least $25 million of securities
  outstanding, or (b) rated at least A by S&P with all such Michigan
  Municipal Bonds not constituting more than 20% of the aggregate market
  value of S&P Eligible Assets.

                                       18
<PAGE>

  Notwithstanding the foregoing:

    (i) Michigan Municipal Bonds of any one issuer or guarantor (excluding
  bond insurers) will be considered S&P Eligible Assets only to the extent
  the fair market value of such Bonds does not exceed 10% of the aggregate
  fair market value of the S&P Eligible Assets, provided that 2% is added to
  the applicable S&P Discount Factor for every 1% by which the fair market
  value of such Michigan Municipal Bonds exceeds 5% of the aggregate fair
  market value of the S&P Eligible Assets;

    (ii) Michigan Municipal Bonds of any one issue type category (as
  described below) will be considered S&P Eligible Assets only to the extent
  the market value of such Michigan Municipal Bonds does not exceed 25% of
  the aggregate market value of S&P Eligible Assets, except that Michigan
  Municipal Bonds falling within the utility issue type category will be
  broken down into three sub-categories (as described below) and such
  Michigan Municipal Bonds will be considered S&P Eligible Assets to the
  extent the market value of such Michigan Municipal Bonds in each such sub-
  category does not exceed 25% of the aggregate market value of S&P Eligible
  Assets, except that Michigan Municipal Bonds falling within the
  transportation issue type category will be broken down into two sub-
  categories (as described below) and such Michigan Municipal Bonds will be
  considered S&P Eligible Assets to the extent the market value of such Bonds
  in both sub-categories combined (as described below) does not exceed 40% of
  the aggregate market value of S&P Eligible Assets and except that Michigan
  Municipal Bonds falling within the general obligation issue type category
  will be considered S&P Eligible Assets to the extent the market value of
  such Michigan Municipal Bonds does not exceed 50% of the aggregate market
  value of S&P Eligible Assets. For purposes of the issue type category
  requirement described above, Michigan Municipal Bonds will be classified
  within one of the following categories: health care issues, housing issues,
  educational facilities issues, student loan issues, transportation issues,
  industrial development bond issues, utility issues, general obligation
  issues, lease obligations, escrowed bonds and other issues not falling
  within one of the aforementioned categories. The general obligation issue
  type category includes any issuer that is directly or indirectly guaranteed
  by the State of Michigan or its political subdivisions. Utility issuers are
  included in the general obligation issue type category if the issuer is
  directly or indirectly guaranteed by the State of Michigan or its political
  subdivisions. For purposes of the issue type category requirement described
  above, Michigan Municipal Bonds in the utility issue type category will be
  classified within one of the three following sub-categories: (1) electric,
  gas and combination issues (if the combination issue includes an electric
  issue), (2) water and sewer utilities and combination issues (if the
  combination issue does not include an electric issue), and (3) irrigation,
  resource recovery, solid waste and other utilities, provided that Michigan
  Municipal Bonds included in this sub-category (iii) must be rated by S&P in
  order to be included in S&P Eligible Assets. For purposes of the issue type
  category requirement described above, Michigan Municipal Bonds in the
  transportation issue type category will be classified within one of the two
  following sub-categories: (i) streets and highways, toll roads, bridges and
  tunnels, airports and multi-purpose port authorities (multiple revenue
  streams generated by toll roads, airports, real estate, bridges), (ii) mass
  transit, parking, seaports and others. Exposure to transportation sub-
  category (i) in the preceding sentence is limited to 25% of the aggregate
  market value of S&P Eligible Assets, provided, however, exposure to
  transportation sub-category (ii) in the preceding sentence can exceed the
  25% limit to the extent that exposure to transportation sub-category (ii)
  is reduced, for a total exposure up to and not exceeding 40% of the
  aggregate market value of S&P Eligible Assets for the transportation issue
  type category; and

    (iii) Michigan Municipal Bonds which are escrow bonds or defeased bonds
  may compose up to 100% of the aggregate market value of S&P Eligible Assets
  if such Michigan Municipal Bonds initially are assigned a rating by S&P in
  accordance with S&P's legal defeasance criteria or rerated by S&P as
  economic defeased escrow bonds and assigned an AAA rating. Michigan
  Municipal Bonds may be rated as escrow bonds by another nationally
  recognized rating agency or rerated as an escrow bond and assigned the
  equivalent of an S&P AAA rating, provided that such equivalent rated
  Michigan Municipal Bonds are limited to 50% of the aggregate market value
  of S&P Eligible Assets and are deemed to have an AA S&P rating for purposes
  of determining the S&P Discount Factor applicable to such Michigan
  Municipal Bonds. The limitations on Michigan Municipal Bonds of any one
  issuer in clause (i) above is not

                                       19
<PAGE>

  applicable to escrow bonds, however, economically defeased bonds that are
  either initially rated or rerated by S&P or another nationally recognized
  rating agency and assigned the same rating level as the issuer of the
  Michigan Municipal Bonds will remain in its original issue type category
  set forth in clause (ii) above. Michigan Municipal Bonds that are legally
  defeased and secured by securities issued or guaranteed by the United
  States Government are not required to meet the minimum issuance size
  requirement set forth above.

  The Fund may include Municipal Bonds other than Michigan Municipal Bonds as
S&P Eligible Assets pursuant to guidelines and restrictions to be established
by S&P, provided that S&P advises the Fund in writing that such action will not
adversely affect its then-current rating on the AMPS.

  As discussed in the prospectus, the Fund may engage in options or futures
transactions. For so long as any shares of AMPS are rated by S&P, the Fund will
not purchase or sell financial futures contracts, write, purchase or sell
options on financial futures contracts or write put options (except covered put
options) or call options (except covered call options) on portfolio securities
unless it receives written confirmation from S&P that engaging in such
transactions will not impair the ratings then assigned to the shares of AMPS by
S&P, except that the Fund may purchase or sell financial futures contracts
based on the Bond Buyer Municipal Bond Index (the "Municipal Index") or United
States Treasury Bonds or Notes ("Treasury Bonds") and write, purchase or sell
put and call options on such contracts (collectively "S&P Hedging
Transactions"), subject to the following limitations:

    (i) the Fund will not engage in any S&P Hedging Transaction based on the
  Municipal Index (other than transactions that terminate a financial futures
  contract or option held by the Fund by the Fund's taking an opposite
  position thereto ("Closing Transactions")), that would cause the Fund at
  the time of such transaction to own or have sold the least of (A) more than
  1,000 outstanding financial futures contracts based on the Municipal Index,
  (B) outstanding financial futures contracts based on the Municipal Index
  exceeding in number 25% of the quotient of the fair market value of the
  Fund's total assets divided by $1,000 or (C) outstanding financial futures
  contracts based on the Municipal Index exceeding in number 10% of the
  average number of daily traded financial futures contracts based on the
  Municipal Index in the 30 days preceding the time of effecting such
  transaction as reported by The Wall Street Journal;

    (ii) the Fund will not engage in any S&P Hedging Transaction based on
  Treasury Bonds (other than Closing Transactions) that would cause the Fund
  at the time of such transaction to own or have sold the lesser of (A)
  outstanding financial futures contracts based on Treasury Bonds exceeding
  in number 50% of the quotient of the fair market value of the Fund's total
  assets divided by $100,000 ($200,000 in the case of the two-year United
  States Treasury Note) or (B) outstanding financial futures contracts based
  on Treasury Bonds exceeding in number 10% of the average number of daily
  traded financial futures contracts based on Treasury Bonds in the 30 days
  preceding the time of effecting such transaction as reported by The Wall
  Street Journal;

    (iii) the Fund will engage in Closing Transactions to close out any
  outstanding financial futures contract that the Fund owns or has sold or
  any outstanding option thereon owned by the Fund in the event (A) the Fund
  does not have S&P Eligible Assets with an aggregate Discounted Value equal
  to or greater than the AMPS Basic Maintenance Amount on two consecutive
  Valuation Dates and (B) the Fund is required to pay Variation Margin on the
  second such Valuation Date;

    (iv) the Fund will engage in a Closing Transaction to close out any
  outstanding financial futures contract or option thereon in the month prior
  to the delivery month under the terms of such financial futures contract or
  option thereon unless the Fund holds the securities deliverable under such
  terms; and

    (v) when the Fund writes a financial futures contract or an option
  thereon, it will either maintain an amount of cash, cash equivalents or
  high grade (rated A or better by S&P) fixed-income securities in a
  segregated account with the Fund's custodian, so that the amount so
  segregated plus the amount of Initial Margin and Variation Margin held in
  the account of or on behalf of the Fund's broker with respect to such
  financial futures contract or option equals the fair market value of the
  financial futures contract or option,

                                       20
<PAGE>

  or, in the event the Fund writes a financial futures contract or option
  thereon that requires delivery of an underlying security, it shall hold
  such underlying security in its portfolio.

  For purposes of determining whether the Fund has S&P Eligible Assets with a
Discounted Value that equals or exceeds the AMPS Basic Maintenance Amount, the
Discounted Value of cash or securities held for the payment of Initial Margin
or Variation Margin shall be zero and the aggregate Discounted Value of S&P
Eligible Assets shall be reduced by an amount equal to (i) 30% of the aggregate
settlement value, as marked to market, of any outstanding financial futures
contracts based on the Municipal Index that are owned by the Fund plus (ii) 25%
of the aggregate settlement value, as marked to market, of any outstanding
financial futures contracts based on Treasury Bonds which contracts are owned
by the Fund.

Moody's "aaa" Rating Guidelines

  The Discounted Value of the Fund's Moody's Eligible Assets is calculated on
each Valuation Date. See "Description of AMPS--Asset Maintenance--AMPS Basic
Maintenance Amount" herein. Moody's Eligible Assets include cash, Receivables
for California Municipal Bonds or Municipal Bonds (as defined below), and
Michigan Municipal Bonds or Municipal Bonds eligible for consideration under
Moody's guidelines. For purposes of calculating the Discounted Value of the
Fund's portfolio under current Moody's guidelines, the fair market value of
Municipal Bonds eligible for consideration under such guidelines must be
discounted by the applicable Moody's Discount Factor set forth in the table
below. The Discounted Value of a Municipal Bond eligible for consideration
under Moody's guidelines is the lower of par and the quotient of the fair
market value thereof divided by the Moody's Discount Factor. The Moody's
Discount Factor used to discount a particular Michigan Municipal Bond or
Municipal Bond will be determined by reference to (a) (i) the rating by Moody's
or S&P on such Bond or (ii) in the event the Moody's Eligible Asset is insured
under a Policy and the terms of the Policy permit the Fund, at its option, to
obtain other insurance guaranteeing the timely payment of interest on such
Moody's Eligible Asset and principal thereof to maturity, the Moody's insurance
claims-paying ability rating of the issuer of the Policy or (iii) in the event
the Moody's Eligible Asset is insured under an insurance policy which
guarantees the timely payment of interest on such Moody's Eligible Asset and
principal thereof to maturity, the Moody's insurance claims-paying ability
rating of the issuer of the insurance policy (provided that for purposes of
clauses (ii) and (iii) if the insurance claims-paying ability of an issuer of a
Policy or insurance policy is not rated by Moody's but is rated by S&P, such
issuer shall be deemed to have a Moody's insurance claims-paying ability rating
which is two full categories lower than the S&P insurance claims-paying ability
rating) and (b) the Moody's Exposure Period. Moody's Discount Factors for a
range of Moody's Exposure Periods are set forth below:

<TABLE>
<CAPTION>
                                 Moody's Discount Factors Rating Category
                           -----------------------------------------------------
 Moody's Exposure Period   Aaa(1) Aa(1) A(1)  Baa(1) Other(2) VMIG-1(3) SP-1+(3)
 -----------------------   ------ ----- ----  ------ -------- --------- --------
 <S>                       <C>    <C>   <C>   <C>    <C>      <C>       <C>
 7 weeks or less.........   151%   159% 168%   202%    229%      136%     148%
 8 weeks or less but
  greater than seven
  weeks..................   154    164  173    205     235       137      149
 9 weeks or less but
  greater than eight
  weeks..................   158    169  179    209     242       138      150
</TABLE>
- --------
(1) Moody's rating.
(2) Michigan Municipal Bonds and Municipal Bonds not rated by Moody's but rated
    BBB or BBB+ by S&P.
(3) Michigan Municipal Bonds and Municipal Bonds rated MIG-1, VMIG-1 or P-1 or,
    if not rated by Moody's, rated SP-1+ or A-1+ by S&P which do not mature or
    have a demand feature at par exercisable within the Moody's Exposure Period
    and which do not have a long-term rating. For the purposes of the
    definition of Moody's Eligible Assets, these securities will have an
    assumed rating of A by Moody's.

provided, however, in the event a Moody's Discount Factor applicable to a
Moody's Eligible Asset is determined by reference to an insurance claims-paying
ability rating in accordance with clause (a)(ii) or (a)(iii), such Moody's
Discount Factor shall be increased by an amount equal to 50% of the difference
between (a) the percentage set forth in the foregoing table under the
applicable rating category and (b) the percentage set forth in the foregoing
table under the rating category which is one category lower than the applicable
rating category.

                                       21
<PAGE>

  Since the Moody's Exposure Period currently is 49 days, the Moody's Discount
Factors currently applicable to Municipal Bonds eligible for consideration
under Moody's guidelines will be determined by reference to the factors set
forth opposite the exposure period line entitled "7 weeks or less."
Notwithstanding the foregoing, (i) a 102% Moody's Discount Factor will be
applied to short-term Michigan Municipal Bonds and short-term Municipal Bonds,
so long as such Michigan Municipal Bonds and Municipal Bonds are rated at least
MIG-1, VMIG-1 or P-1 by Moody's and mature or have a demand feature at par
exercisable within the Moody's Exposure Period, and the Moody's Discount Factor
for such Bonds will be 125% if such Bonds are not rated by Moody's but are
rated A-1+, SP-1+ or AA by S&P and mature or have a demand feature at par
exercisable within the Moody's Exposure Period, and (ii) no Moody's Discount
Factor will be applied to cash or to Receivables for Michigan Municipal Bonds
or Municipal Bonds Sold. "Receivables for Michigan Municipal Bonds or Municipal
Bonds Sold," for purposes of calculating Moody's Eligible Assets as of any
Valuation Date, means no more than the aggregate of the following: (i) the book
value of receivables for Michigan Municipal Bonds or Municipal Bonds sold as of
or prior to such Valuation Date if such receivables are due within five
Business Days of such Valuation Date, and if the trades which generated such
receivables are (A) settled through clearing house firms with respect to which
the Fund has received prior written authorization from Moody's or (B) with
counterparties having a Moody's long-term debt rating of at least Baa3; and
(ii) the Moody's Discounted Value of Michigan Municipal Bonds or Municipal
Bonds sold as of or prior to such Valuation Date that generated receivables, if
such receivables are due within five Business Days of such Valuation Date but
do not comply with either of conditions (A) or (B) of the preceding clause (i).

  The Moody's guidelines impose certain requirements as to minimum issue size,
issuer diversification and geographical concentration, as well as other
requirements for purposes of determining whether Michigan Municipal Bonds or
Municipal Bonds constitute Moody's Eligible Assets, as set forth in the table
below:

<TABLE>
<CAPTION>
                                                        Maximum                   Maximum State
                           Minimum       Maximum      Issue Type   Maximum County Or Territory
                          Issue Size    Underlying   Concentration Concentration  Concentration
Rating                   ($ Millions) Obligor (%)(1)   (%)(1)(3)     (%)(1)(4)      (%)(1)(5)
- ------                   ------------ -------------- ------------- -------------- -------------
<S>                      <C>          <C>            <C>           <C>            <C>
Aaa.....................      10           100            100           100            100
Aa......................      10            20             60            60             60
A.......................      10            10             40            40             40
Baa.....................      10             6             20            20             20
Other(2)................      10             4             12            12             12
</TABLE>
- --------
(1) The referenced percentages represent maximum cumulative totals for the
    related rating category and each lower rating category.
(2) Michigan Municipal Bonds and Municipal Bonds not rated by Moody's but rated
    BBB or BBB+ by S&P.
(3) Does not apply to general obligation bonds.
(4) Applicable to general obligation bonds only.
(5) Does not apply to Michigan Municipal Bonds. Territorial bonds (other than
    those issued by Puerto Rico and counted collectively) are each limited to
    10% of Moody's Eligible Assets. For diversification purposes, Puerto Rico
    will be treated as a state.

  For purposes of the maximum underlying obligor requirement described above,
any Michigan Municipal Bond or Municipal Bond backed by the guaranty, letter of
credit or insurance issued by a third party will be deemed to be issued by such
third party if the issuance of such third party credit is the sole determinant
of the rating on such Bond. For purposes of the issue type concentration
requirement described above, Michigan Municipal Bonds and Municipal Bonds will
be classified within one of the following categories: health care issues
(teaching and non-teaching hospitals, public and private), housing issues
(single-and multi-family), educational facilities issues (public and private
schools), student loan issues, resource recovery issues, transportation issues
(mass transit, airport and highway bonds), industrial revenue/pollution control
bond issues, utility issues (including water, sewer and electricity), general
obligation issues, lease obligations/certificates of participation, escrowed
bonds and other issues ("Other Issues") not falling within one of the
aforementioned categories (includes special obligations to crossover, excise
and sales tax revenue, recreation revenue, special

                                       22
<PAGE>

assessment and telephone revenue bonds). In no event shall (a) more than 10% of
Moody's Eligible Assets consist of student loan issues, (b) more than 10% of
Moody's Eligible Assets consist of recovery issues or (c) more than 10% of
Moody's Eligible Assets consist of Other Issues.

  Current Moody's guidelines also require that Michigan Municipal Bonds or
Municipal Bonds constituting Moody's Eligible Assets pay interest in cash, be
publicly rated Baa or higher by Moody's or, if not rated by Moody's but rated
by S&P, that they be rated at least BBB by S&P, not have suspended ratings by
Moody's and be part of an issue of Michigan Municipal Bonds or Municipal Bonds
of at least $10,000,000. For purposes of determining the Moody's Discount
Factors applicable to any such S&P-rated Michigan Municipal Bonds or S&P-rated
Municipal Bonds, such Michigan Municipal Bonds or Municipal Bonds (excluding
any short-term Municipal Bonds) will be deemed to have a Moody's rating that is
one full rating category lower than its S&P rating. When the Fund sells a
Michigan Municipal Bond or Municipal Bond and agrees to repurchase it at a
future date, the Discounted Value of such Municipal Bond will constitute a
Moody's Eligible Asset and the amount the Fund is required to pay upon
repurchase of such bond will count as a liability for purposes of calculating
the AMPS Basic Maintenance Amount. For so long as the AMPS are rated by
Moody's, the Fund will not enter into any such reverse repurchase agreements
unless it has received written confirmation from Moody's that such transactions
would not impair the ratings then assigned to the AMPS by Moody's. When the
Fund purchases a Michigan Municipal Bond or Municipal Bond and agrees to sell
it at a future date to another party, cash receivable by the Fund 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 Bond will constitute a Moody's
Eligible Asset.

  Notwithstanding the foregoing, an asset will not be considered a Moody's
Eligible Asset if it is (i) held in a margin account, (ii) subject to any
material lien, mortgage, pledge, security interest or security agreement of any
kind, (iii) held for the purchase of a security pursuant to a Forward
Commitment or (iv) irrevocably deposited by the Fund for the payment of
dividends or redemption.

  For so long as shares of AMPS are rated by Moody's, in managing the Fund's
portfolio, the Investment Adviser will not alter the composition of the Fund's
portfolio if, in the reasonable belief of the Investment Adviser, the effect of
any such alteration would be to cause the Fund to have Moody's Eligible Assets
with an aggregate Discounted Value, as of the immediately preceding Valuation
Date, less than the AMPS Basic Maintenance Amount as of such Valuation Date;
provided, however, that in the event that, as of the immediately preceding
Valuation Date, the aggregate Discounted Value of Moody's Eligible Assets
exceeded the AMPS Basic Maintenance Amount by five percent or less, the
Investment Adviser will not alter the composition of the Fund's portfolio in a
manner reasonably expected to reduce the aggregate Discounted Value of Moody's
Eligible Assets unless the Fund shall have confirmed that, after giving effect
to such alteration, the aggregate Discounted Value of Moody's Eligible Assets
would exceed the AMPS Basic Maintenance Amount.

  For so long as any shares of AMPS are rated by Moody's, the Fund will not 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 (except covered call options) on portfolio
securities unless it receives written confirmation from Moody's that engaging
in such transactions would not impair the ratings then assigned to the shares
of AMPS by Moody's, except that the Fund may purchase or sell exchange-traded
financial futures contracts based on the Municipal Index or Treasury Bonds, and
purchase, write or sell exchange-traded put options on such financial futures
contracts, and purchase, write or sell exchange-traded call options on such
financial futures contracts (collectively "Moody's Hedging Transactions"),
subject to the following limitations:

    (i) the Fund will not engage in any Moody's Hedging Transaction based on
  the Municipal Index (other than Closing Transactions) that would cause the
  Fund at the time of such transaction to own or have sold (A) outstanding
  financial futures contracts based on the Municipal Index exceeding in
  number 10% of the average number of daily traded financial futures
  contracts based on the Municipal Index in the 30 days preceding the time of
  effecting such transaction as reported by The Wall Street Journal or (B)
  outstanding financial futures contracts based on the Municipal Index having
  a fair market value exceeding 50% of the

                                       23
<PAGE>

  fair market value of all Municipal Bonds constituting Moody's Eligible
  Assets owned by the Fund (other than Moody's Eligible Assets already
  subject to a Moody's Hedging Transaction);

    (ii) the Fund will not engage in any Moody's Hedging Transaction based on
  Treasury Bonds (other than Closing Transactions) that would cause the Fund
  at the time of such transaction to own or have sold (A) outstanding
  financial futures contracts based on Treasury Bonds having an aggregate
  Market Value exceeding 20% of the aggregate Market Value of Moody's
  Eligible Assets owned by the Fund and rated Aa by Moody's (or, if not rated
  by Moody's but rated by S&P, rated AAA by S&P) or (B) outstanding financial
  futures contracts based on Treasury Bonds having an aggregate fair market
  value exceeding 40% of the aggregate fair market value of all Municipal
  Bonds constituting Moody's Eligible Assets owned by the Fund (other than
  Moody's Eligible Assets already subject to a Moody's Hedging Transaction)
  and rated Baa or A by Moody's (or, if not rated by Moody's but rated by
  S&P, rated A or AA by S&P) (for purposes of the foregoing clauses (i) and
  (ii), the Fund shall be deemed to own the number of financial futures
  contracts that underlie any outstanding options written by the Fund);

    (iii) the Fund will engage in Closing Transactions to close out any
  outstanding financial futures contract based on the Municipal Index if the
  amount of open interest in the Municipal Index as reported by The Wall
  Street Journal is less than 5,000;

    (iv) the Fund will engage in a Closing Transaction to close out any
  outstanding financial futures contract by no later than the fifth Business
  Day of the month in which such contract expires and will engage in a
  Closing Transaction to close out any outstanding option on a financial
  futures contract by no later than the first Business Day of the month in
  which such option expires; (v) the Fund will engage in Moody's Hedging
  Transactions only with respect to financial futures contracts or options
  thereon having the next settlement date or the settlement date immediately
  thereafter;

    (v) the Fund will not engage in options and futures transactions for
  leveraging or speculative purposes and will not write any call options or
  sell any financial futures contracts for the purpose of hedging the
  anticipated purchase of an asset prior to completion of such purchase; and

    (vi) the Fund will not enter into an option or futures transaction
  unless, after giving effect thereto, the Fund would continue to have
  Moody's Eligible Assets with an aggregate Discounted Value equal to or
  greater than the AMPS Basic Maintenance Amount.

  For purposes of determining whether the Fund has Moody's Eligible Assets with
an aggregate Discounted Value that equals or exceeds the AMPS Basic Maintenance
Amount, the Discounted Value of Moody's Eligible Assets that the Fund is
obligated to deliver or receive pursuant to an outstanding futures contract or
option shall be as follows: (i) assets subject to call options written by the
Fund that are either exchange-traded and "readily reversible" or that expire
within 49 days after the date as of which such valuation is made shall be
valued at the lesser of (A) Discounted Value and (B) the exercise price of the
call option written by the Fund; (ii) assets subject to call options written by
the Fund not meeting the requirements of clause (i) of this sentence shall have
no value; (iii) assets subject to put options written by the Fund shall be
valued at the lesser of (A) the exercise price and (B) the Discounted Value of
the subject security; (iv) futures contracts shall be valued at the lesser of
(A) settlement price and (B) the Discounted Value of the subject security,
provided that, if a contract matures within 49 days after the date as of which
such valuation is made, where the Fund is the seller the contract may be valued
at the settlement price and where the Fund is the buyer the contract may be
valued at the Discounted Value of the subject securities; and (v) where
delivery may be made to the Fund with any security of a class of securities,
the Fund shall assume that it will take delivery of the security with the
lowest Discounted Value.

  For purposes of determining whether the Fund has Moody's Eligible Assets with
an aggregate Discounted Value that equals or exceeds the AMPS Basic Maintenance
Amount, the following amounts shall be subtracted from the aggregate Discounted
Value of the Moody's Eligible Assets held by the Fund: 10% of the exercise
price of a written call option; (ii) the exercise price of any written put
option; (iii) where the Fund is the seller under a financial futures contract,
10% of the settlement price of the financial futures contract; (iv) where the
Fund is the purchaser under a financial futures contract, the settlement price
of assets purchased under such financial futures contract; (v) the settlement
price of the underlying financial futures contract if the Fund writes

                                       24
<PAGE>

put options on a financial futures contract; and (vi) 105% of the fair market
value of the underlying financial futures contracts if the Fund writes call
options on a financial futures contract and does not own the underlying
contract.

  For so long as any shares of AMPS are rated by Moody's, the Fund will not
enter into any contract to purchase securities for a fixed price at a future
date beyond customary settlement time (other than such contracts that
constitute Moody's Hedging Transactions), except that the Fund may enter into
such contracts to purchase newly-issued securities on the date such securities
are issued ("Forward Commitments"), subject to the following limitations:

    (i) the Fund will maintain in a segregated account with its custodian
  cash, cash equivalents or short term, fixed-income securities rated P-1,
  MIG-1 or VMIG-1 by Moody's and maturing prior to the date of the Forward
  Commitment with a fair market value that equals or exceeds the amount of
  the Fund's obligations under any Forward Commitments to which it is from
  time to time a party or long-term, fixed income securities with a
  Discounted Value that equals or exceeds the amount of the Fund's
  obligations under any Forward Commitment to which it is from time to time a
  party, and

    (ii) the Fund will not enter into a Forward Commitment unless, after
  giving effect thereto, the Fund would continue to have Moody's Eligible
  Assets with an aggregate Discounted Value equal to or greater than the AMPS
  Basic Maintenance Amount.

  For purposes of determining whether the Fund has Moody's Eligible Assets with
an aggregate Discounted Value that equals or exceeds the AMPS Basic Maintenance
Amount, the Discounted Value of all Forward Commitments to which the Fund is a
party and of all securities deliverable to the Fund pursuant to such Forward
Commitments shall be zero.

  For so long as shares of AMPS are rated by S&P or Moody's, the Fund, unless
it has received written confirmation from S&P and/or Moody's, as the case may
be, that such action would not impair the ratings then assigned to the AMPS by
S&P and/or Moody's, as the case may be, will not (i) borrow money except for
the purpose of clearing transactions in portfolio securities (which borrowings
under any circumstances shall be limited to the lesser of $10 million and an
amount equal to 5% of the fair market value of the Fund's assets at the time of
such borrowings and which borrowings shall be repaid within 60 days and not be
extended or renewed and shall not cause the aggregate Discounted Value of
Moody's Eligible Assets and S&P Eligible Assets to be less than the AMPS Basic
Maintenance Amount), (ii) engage in short sales of securities, (iii) lend any
securities, (iv) issue any class or series of stock ranking prior to or on a
parity with the AMPS with respect to the payment of dividends or the
distribution of assets upon dissolution, liquidation or winding up of the Fund,
(v) reissue any AMPS previously purchased or redeemed by the Fund, (vi) merge
or consolidate into or with any other corporation or entity, (vii) change the
Fund's pricing service or (viii) engage in reverse repurchase agreements.

                             DIRECTORS AND OFFICERS

  Information about the Directors, executive officers and the portfolio
managers of the Fund, including their ages and their principal occupations
during the last five years is set forth below. Unless otherwise noted, the
address of each Director, executive officer and the portfolio manager is 800
Scudders Mill Road, Plainsboro, New Jersey 08536.

  Terry K. Glenn (58)--President and Director (1) (2)--Executive Vice President
of the Investment Adviser and Merrill Lynch Asset Management, L.P. ("MLAM")
(which terms as used herein include their corporate predecessors) since 1983;
Executive Vice President and Director of Princeton Services, Inc. ("Princeton
Services") since 1993; President of Princeton Funds Distributor, Inc. ("PFD")
since 1986 and Director thereof since 1991; President of Princeton
Administrators, L.P. since 1988.

  Donald Cecil (72)--Director (2) (3)--1114 Avenue of the Americas, New York,
New York 10036. Special Limited Partner of Cumberland Associates (an investment
partnership) since 1982; Member of Institute of Chartered Financial Analysts;
Member and Chairman of Westchester County (N.Y.) Board of Transportation.

                                       25
<PAGE>

  M. Colyer Crum (67)--Director (2) (3)--104 Westcliff Road, Weston,
Massachusetts 02193. Currently James R. Williston Professor of Investment
Management Emeritus, Harvard Business School; James R. Williston Professor of
Investment Management, Havard Business School, from 1971 to 1996; Director of
Cambridge Bancorp, Copley Properties, Inc. and Sun Life Assurance Company of
Canada.

  Edward H. Meyer (72)--Director (2) (3)--777 Third Avenue, New York New York
10017. President of Grey Advertising, Inc., since 1968, Chief Executive Officer
since 1970 and Chairman of the Board of Directors since 1972; Director of The
May Department Stores Company, Bowne & Co., Inc. (financial printers), Harman
International Industries, Inc. (stereo and audio equipment manufacturers) and
Ethan Allen Interiors, Inc.

  Jack B. Sunderland (70)--Director (2) (3)--P.O. Box 7, West Cornwall,
Connecticut 06796. President and Director of American Independent Oil Company,
Inc. (and energy company) since 1987; Member of Council on Foreign Relations
since 1971.

  J. Thomas Touchton (60)--Director (2) (3)--Suite 3405, One Tampa City Center,
201 North Franklin Street, Tampa, Florida 33062. Managing Partner of the Witt
Touchton Company and its predecessor, The Witt Co. (a private investment
partnership), since 1972; Trustee Emeritus of Washington and Lee University;
Director of TECO Energy, Inc. (an electric utility holding company).

  Fred G. Weiss (57)--Director (2) (3)--16410 Maddalena Place, Del Ray Beach,
Florida 33446. Managing Director of FGW Associates since 1997; Vice President,
Planning Investment, and Development of Warner Lamber Co. from 1979 to 1997.

  Authur Zeikel (67)--Director (1) (2)--300 Woodland Avenue, Westfield, New
Jersey 07090. Chairman of the Investment Adviser and MLAM from 1997 to 1999 and
President thereof from 1977 to 1999; Chairman of Princeton Services from 1997
to 1999 and Director thereof from 1993 to 1999; President of Princeton Services
from 1993 to 1997; Executive Vice President of Merrill Lynch & Co., Inc. ("ML &
Co.") from 1990 to 1999.

  Vincent R. Giordano (54)--Senior Vice President (1) (2)--Senior Vice
President of the Investment Adviser and MLAM since 1984; Senior Vice President
of Princeton Services since 1993.

  Donald C. Burke (39)--Vice President and Treasurer (1) (2)--Senior Vice
President and Treasurer of the Investment Adviser and MLAM since 1999; Senior
Vice President and Treasurer of Princeton Services since 1999; Vice President
of PFD since 1999; First Vice President of the MLAM from 1997 to 1999; Vice
President of the MLAM from 1990 to 1997; Director of Taxation of the MLAM since
1990.

  Kenneth A. Jacob (48)--Vice President (1) (2)--First Vice President of MLAM
since 1997; Vice President of MLAM from 1984 to 1997; Vice President of the
Investment Adviser since 1984.

  Robert A. DiMella, CFA (32)--Vice President and Portfolio Manager (1) (2)--
Vice President of MLAM since 1997; Assistant Vice President of MLAM from 1995
to 1997; Assistant Portfolio Manager of MLAM from 1993 to 1995.

  Fred K. Stuebe (48)--Vice President and Portfolio Manager (1) (2)--Vice
President of MLAM since 1989.

  Alice A. Pellegrino (39)--Secretary (1) (2)--Vice President of MLAM since
1999; Attorney with MLAM since 1997; Associate with Kirkpatrick & Lockhart LLP
from 1992 to 1997.
- --------
(1) Interested person, as defined in the 1940 Act, of the Fund.
(2) Such Director or officer is a director, trustee or officer of one or more
    additional investment companies for which the Investment Adviser or its
    affiliate, MLAM, acts as investment adviser or manager.

                                       26
<PAGE>

  In connection with the election of the Fund's Directors, holders of shares of
AMPS and other preferred stock, voting as a separate class, are entitled to
elect two of the Fund's Directors, and the remaining Directors will be elected
by holders of common stock and preferred stock voting together as a single
class. Messrs. Cecil and Crum have been designated as the Directors to be
elected by holders of the preferred stock. See "Description of Capital Stock"
in the prospectus.

Compensation of Directors

  Pursuant to an Investment Advisory Agreement with the Fund, the Investment
Adviser pays all compensation of officers and employees of the Fund as well as
the fees of all Directors who are affiliated persons of ML & Co. or its
subsidiaries.

  The Fund pays each Director not affiliated with the Investment Adviser (each
a "non-affiliated Director") a fee of $2,500 per year plus $250 per meeting
attended, and pays all Director's out-of-pocket expenses relating to attendance
at meetings. The Fund also pays members of the Board's audit and nominating
committee (the "Committee"), which consists of all the non-affiliated
Directors, an annual fee of $500 per year plus $125 per Committe meeting
attended.

  The following table sets forth compensation to be paid by the Fund to the
non-affiliated Directors projected through the end of the Fund's first full
fiscal year and for the calendar year ended December 31, 1998 the aggregate
compensation paid by all investment companies advised by the Investment Adviser
and its affiliate, MLAM ("FAM/MLAM Advised Funds"), to the non-affiliated
Directors.

<TABLE>
<CAPTION>
                                                                  Aggregate
                                              Pension or      Compensation from
                              Aggregate   Retirement Benefits  Fund and Other
                             Compensation Accrued as Part of      MLAM/FAM-
Name                          from Fund      Fund Expense     Advised Funds(1)
- ----                         ------------ ------------------- -----------------
<S>                          <C>          <C>                 <C>
Donald Cecil(/1/)...........    $4,500           None             $277,808
M. Colyer Crum(/1/).........    $4,500           None             $116,600
Edward H. Meyer(/1/)........    $4,500           None             $214,558
Jack B. Sunderland(/1/).....    $4,500           None             $133,600
J. Thomas Touchton(/1/).....    $4,500           None             $133,600
Fred G. Weiss(/1/)..........    $4,500           None             $140,842
</TABLE>
- --------
(1) The Directors serve on the boards of MLAM/FAM advised Funds as follows: Mr.
    Cecil (35 registered investment companies consisting of 35 portfolios); Mr.
    Crum (16 registered investment companies consisting of 16 portfolios); Mr.
    Meyers (35 registered investment companies consisting of 34 portfolios);
    Mr. Sunderland (19 registered investment companies consisting of 31
    portfolios); Mr. Touchton (19 registered investment companies consisting of
    31 portfolios); and Mr. Weiss (16 registered investment companies
    consisting of 16 portfolios).

                INVESTMENT ADVISORY AND MANAGEMENT ARRANGEMENTS

  The Fund has entered into an Investment Advisory Agreement with the
Investment Adviser. The Fund pays the Investment Adviser a monthly fee at an
annual rate of 0.55 of 1% of the Fund's average weekly net assets (i.e., the
average weekly value of the total assets of the Fund, including proceeds from
the issuance of shares of preferred stock, minus the sum of accrued liabilities
of the Fund and accumulated dividends on the shares of preferred stock).

  The Investment Advisory Agreement obligates the Investment Adviser to provide
investment advisory services and to pay all compensation of and furnish office
space for officers and employees of the Fund connected with investment and
economic research, trading and investment management of the Fund, as well as
the compensation of all Directors of the Fund who are affiliated persons of the
Investment Adviser or any of its affiliates. The Fund pays all other expenses
incurred in the operation of the Fund, including, among other things, expenses
for legal and auditing services, taxes, costs of printing proxies, listing
fees, if any, stock certificates and shareholder reports, charges of the
custodian and the transfer and dividend disbursing agent and registrar, fees
and expenses with respect to the issuance of preferred stock, Securities and
Exchange

                                       27
<PAGE>

Commission fees, fees and expenses of non-interested Directors, accounting and
pricing costs, insurance, interest, brokerage costs, litigation and other
extraordinary or non-recurring expenses, mailing and other expenses properly
payable by the Fund. Accounting services are provided to the Fund by the
Investment Adviser, and the Fund reimburses the Investment Adviser for its
costs in connection with such services.

  Unless earlier terminated as described below, the Investment Advisory
Agreement will remain in effect for a period of two years from the date of
execution and will remain in effect from year to year thereafter if approved
annually (a) by the Board of Directors of the Fund or by a majority of the
outstanding shares of the Fund and (b) by a majority of the Directors who are
not parties to such contract or interested persons (as defined in the 1940 Act)
of any such party. Such contract is not assignable and may be terminated
without penalty on 60 days' written notice at the option of either party
thereto or by the vote of the shareholders of the Fund.

  Securities held by the Fund may also be held by, or be appropriate
investments for, other funds or investment advisory clients for which the
Investment Adviser or its affiliates act as an adviser. Because of different
objectives or other factors, a particular security may be bought for an
advisory client when other clients are selling the same security. If purchases
or sales of securities by the Investment Adviser for the Fund or other funds
for which it acts as investment adviser or for other advisory clients arise for
consideration at or about the same time, transactions in such securities will
be made, insofar as feasible, for the respective funds and clients in a manner
deemed equitable to all. Transactions effected by the Investment Adviser (or
its affiliates) on behalf of more than one of its clients during the same
period may increase the demand for securities being purchased or the supply of
securities being sold, causing an adverse effect on price.

Code of Ethics

  The Board of Directors of the Fund has adopted a Code of Ethics pursuant to
Rule 17j-1 under the 1940 Act that incorporates the Code of Ethics of the
Investment Adviser (together, the "Codes"). The Codes significantly restrict
the personal investing activities of all employees of the Investment Adviser
and, as described below, impose additional, more onerous, restrictions on Fund
investment personnel.

  The Codes require that all employees of the Investment Adviser preclear any
personal securities investment (with limited exceptions, such as U.S.
Government securities). The preclearance requirement and associated procedures
are designed to identify any substantive prohibition or limitation applicable
to the proposed investment. The substantive restrictions applicable to all
employees of the Investment Adviser include a ban on acquiring any securities
in a "hot" initial public offering and a prohibition from profiting on short-
term trading securities. In addition, no employee may purchase or sell any
security that at the time is being purchased or sold (as the case may be), or
to the knowledge of the employee is being considered for purchase or sale, by
any fund advised by the Investment Adviser. Furthermore, the Codes provide for
trading "blackout periods" that prohibit trading by investment personnel of the
Fund within periods of trading by the Fund in the same (or equivalent) security
(15 or 30 days depending upon the transaction).

                             PORTFOLIO TRANSACTIONS

  Subject to policies established by the Board of Directors of the Fund, the
Investment Adviser is primarily responsible for the execution of the Fund's
portfolio transactions. In executing such transactions, the Investment Adviser
seeks to obtain the best results for the Fund, taking into account such factors
as price (including the applicable brokerage commission or dealer spread), size
of order, difficulty of execution and operational facilities of the firm
involved and the firm's risk in positioning a block of securities. While the
Investment Adviser generally seeks reasonably competitive commission rates, the
Fund does not necessarily pay the lowest commission or spread available.

  The Fund has no obligation to deal with any broker or dealer in the execution
of transactions in portfolio securities. Subject to providing the best price
and execution, securities firms that provide investment research to

                                       28
<PAGE>

the Investment Adviser, including Merrill Lynch, may receive orders for
transactions by the Fund. Research information provided to the Investment
Adviser by securities firms is supplemental. It does not replace or reduce the
level of service performed by the Investment Adviser and the expenses of the
Investment Adviser will not necessarily be reduced because it receives
supplemental research information.

  The Fund invests in securities traded in the over-the-counter markets, and
the Fund intends to deal directly with dealers who make markets in the
securities involved, except in those circumstances where better prices and
execution are available elsewhere. Under the 1940 Act, except as permitted by
exemptive order, persons affiliated with the Fund, including Merrill Lynch, are
prohibited from dealing with the Fund as principal in the purchase and sale of
securities. Since transactions in the over-the-counter market usually involve
transactions with dealers acting as principals for their own accounts, the Fund
does not deal with Merrill Lynch and its affiliates in connection with such
transactions except that, pursuant to exemptive orders obtained by the
Investment Adviser, the Fund may engage in principal transactions with the
Underwriter in high quality, short-term, tax-exempt securities. See "Investment
Restrictions." However, affiliated persons of the Fund, including Merrill
Lynch, may serve as its brokers in certain over-the-counter transactions
conducted on an agency basis.

  The Fund also may purchase tax-exempt debt instruments in individually
negotiated transactions with the issuer. Because an active trading market may
not exist for such securities, the prices that the Fund may pay for these
securities or receive on their resale may be lower than that for similar
securities with a more liquid market.

Portfolio Turnover

  The Fund may dispose of securities without regard to the time they have been
held when such action, for defensive or other reasons, appears advisable to the
Investment Adviser. While it is not possible to predict turnover rates with any
certainty, presently it is anticipated that the Fund's annual portfolio
turnover rate, under normal circumstances should be less than 100%. (The
portfolio turnover rate is calculated by dividing the lesser of purchases or
sales of portfolio securities for the particular fiscal year by the monthly
average of the value of the portfolio securities owned by the Fund during the
particular fiscal year. For purposes of determining this rate, all securities
whose maturities at the time of acquisition are one year or less are excluded.)
A high portfolio turnover rate has certain tax consequences and results in
greater transaction costs, which are borne directly by the Fund.

                                     TAXES

General

  The Fund intends to elect and to qualify for the special tax treatment
afforded regulated investment companies ("RICs") under the Internal Revenue
Code of 1986, as amended (the "Code"). As long as it so qualifies, in any
taxable year in which it distributes at least 90% of its taxable net income and
90% of its tax-exempt net income (see below), the Fund (but not its
shareholders) will not be subject to Federal income tax to the extent that it
distributes its net investment income and net realized capital gains. The Fund
intends to distribute substantially all of such income.

  The Code requires a RIC to pay a nondeductible 4% excise tax to the extent
the RIC does not distribute, during each calendar year, 98% of its ordinary
income, determined on a calendar year basis, and 98% of its capital gains,
determined, in general, on an October 31 year-end, plus certain undistributed
amounts from previous years. The required distributions, however, are based
only on the taxable income of a RIC. The excise tax, therefore, generally will
not apply to the tax-exempt income of a RIC, such as the Fund, that pays
exempt-interest dividends.

  The Internal Revenue Service (the "IRS"), in a revenue ruling, held that
certain auction rate preferred stock would be treated as stock for Federal
income tax purposes. The terms of the AMPS are substantially

                                       29
<PAGE>

similar, but not identical, to the auction rate preferred stock discussed in
the revenue ruling, and in the opinion of Brown & Wood LLP, counsel to the
Fund, the shares of AMPS will constitute stock of the Fund and distributions
with respect to shares of AMPS (other than distributions in redemption of
shares of AMPS subject to Section 302(b) of the Code) will constitute dividends
to the extent of the Fund's current and accumulated earnings and profits as
calculated for Federal income tax purposes. Nevertheless, it is possible that
the IRS might take a contrary position, asserting, for example, that the shares
of AMPS constitute debt of the Fund. If this position were upheld, the
discussion of the treatment of distributions below would not apply. Instead,
distributions by the Fund to holders of shares of AMPS would constitute
interest, whether or not they exceeded the earnings and profits of the Fund,
would be included in full in the income of the recipient and would be taxed as
ordinary income. Counsel believes that such a position, if asserted by the IRS,
would be unlikely to prevail.

  The Fund intends to qualify to pay "exempt-interest dividends" as defined in
Section 852(b)(5) of the Code. Under such section if, at the close of each
quarter of its taxable year, at least 50% of the value of its total assets
consists of obligations exempt from Federal income tax ("tax-exempt
obligations") under Section 103(a) of the Code (relating generally to
obligations of a state or local governmental unit), the Fund shall be qualified
to pay exempt-interest dividends to its shareholders. Exempt-interest dividends
are dividends or any part thereof paid by the Fund which are attributable to
interest on tax-exempt obligations and designated by the Fund as exempt-
interest dividends in a written notice mailed to the Fund's shareholders within
60 days after the close of its taxable year. To the extent that the dividends
distributed to the Fund's shareholders are derived from interest income exempt
from tax under Code Section 103(a) and are properly designated as exempt-
interest dividends, they will be excludable from a shareholder's gross income
for Federal tax purposes. Exempt-interest dividends are included, however, in
determining the portion, if any, of a person's social security and railroad
retirement benefits subject to Federal income taxes. Each shareholder is
advised to consult a tax adviser with respect to whether exempt-interest
dividends retain the exclusion under Code Section 103(a) if such shareholder
would be treated as a "substantial user" or "related person" under Code Section
147(a) with respect to property financed with the proceeds of an issue of
"industrial development bonds" or "private activity bonds," if any, held by the
Fund.

  The portion of exempt-interest dividends paid from interest received by the
Fund from Michigan Municipal Bonds also will be exempt from Michigan personal
income tax and the single business tax. To the extent the distributions of the
Fund are attributable to sources other than interest on Michigan Municipal
Bonds, such distributions, including, but not limited to, long-term or short-
term capital gains, but excluding any such capital gains from the obligations
of the United States or of its possessions, will not be exempt from Michigan
personal income tax or the single business tax. The intangibles tax was totally
repealed effective January 1, 1998. The income tax rate will begin a gradual
reduction beginning in year 2000, from the present 4.4 percent, down to a 3.9
percent rate for year 2004 and beyond. The single business tax is being phased-
out over a twenty-three year period at a rate of one-tenth of one percent per
year beginning in 1999. Shareholders subject to income taxation by states other
than Michigan will realize a lower after-tax rate of return than Michigan
shareholders since the dividends distributed by the Fund generally will not be
exempt, to any significant degree, from income taxation by such other states.
The Fund will inform shareholders annually as to the portion of the Fund's
distributions that constitutes exempt-interest dividends and the portion that
is exempt from Michigan income taxes. Interest on indebtedness incurred or
continued to purchase or carry Fund shares is not deductible for Federal or
Michigan income tax purposes to the extent attributable to exempt-interest
dividends.

  To the extent that the Fund's distributions are derived from interest on its
taxable investments or from an excess of net short-term capital gains over net
long-term capital losses ("ordinary income dividends"), such distributions are
considered ordinary income for Federal income tax purposes. Distributions, if
any, from an excess of net long-term capital gains over net short-term capital
losses derived from the sale of securities or from certain transactions in
futures or options ("capital gain dividends") are taxable as long-term capital
gains for Federal income tax purposes, regardless of the length of time the
shareholder has owned Fund shares and, for Michigan income tax purposes, are
treated as capital gains which are taxed at ordinary income tax rates. Certain
categories of capital gains are taxable at different rates. Generally not later
than 60 days after the close of its taxable year, the Fund will provide its
shareholders with a written notice designating the amounts of any

                                       30
<PAGE>

exempt-interest dividends, ordinary income dividends or capital gain dividends,
as well as any amount of capital gain dividends in the different categories of
capital gain referred to above. Distributions by the Fund, whether from exempt-
interest dividends or capital gains, are not eligible for the dividends
received deduction allowed to corporations under the Code.

  All or a portion of the Fund's gain from the sale or redemption of tax-exempt
obligations purchased at a market discount will be treated for Federal income
tax purposes as ordinary income rather than capital gain. This rule may
increase the amount of ordinary income dividends received by shareholders.
Distributions in excess of the Fund's earnings and profits will first reduce
the adjusted tax basis of a holder's shares and, after such adjusted tax basis
is reduced to zero, will constitute capital gains to such holder (assuming the
shares are held as a capital asset). Any loss upon the sale or exchange of Fund
shares held for six months or less will be disallowed to the extent of any
exempt-interest dividends received by the shareholder. In addition, any such
loss that is not disallowed under the rule stated above will be treated as
long-term capital loss to the extent of any capital gain dividends received by
the shareholder. If the Fund pays a dividend in January which was declared in
the previous October, November or December to shareholders of record on a
specified date in one of such months, then such dividend will be treated for
tax purposes as being paid by the Fund and received by its shareholders on
December 31 of the year in which such dividend was declared.

  The IRS has taken the position in a revenue ruling that if a RIC has two or
more classes of shares, it may designate distributions made to each class in
any year as consisting of no more than such class's proportionate share of
particular types of income, including exempt interest and net long-term capital
gains. A class's proportionate share of a particular type of income is
determined according to the percentage of total dividends paid by the RIC
during such year that was paid to such class. Thus, the Fund is required to
allocate a portion of its net capital gains and other taxable income to the
shares of AMPS of each series. The Fund generally will notify the Auction Agent
of the amount of any net capital gains and other taxable income to be included
in any dividend on shares of AMPS prior to the Auction establishing the
Applicable Rate for such dividend. Except for the portion of any dividend that
it informs the Auction Agent will be treated as capital gains or other taxable
income, the Fund anticipates that the dividends paid on the shares of AMPS will
constitute exempt-interest dividends. The amount of net capital gains and
ordinary income allocable to shares of AMPS (the "taxable distribution") will
depend upon the amount of such gains and income realized by the Fund and the
total dividends paid by the Fund on shares of Common Stock and shares of AMPS
during a taxable year, but the taxable distribution generally is not expected
to be significant.

  In the opinion of Brown & Wood LLP, counsel to the Fund, under current law
the manner in which the Fund intends to allocate items of tax-exempt income,
net capital gains and other taxable income, if any, among shares of Common
Stock and shares of AMPS will be respected for Federal income tax purposes.
However, the tax treatment of Additional Dividends may affect the Fund's
calculation of each class' allocable share of capital gains and other taxable
income. See "Tax Treatment of Additional Dividends." In addition, there is
currently no direct guidance from the IRS or other sources specifically
addressing whether the Fund's method for allocating tax-exempt income, net
capital gains and other taxable income among shares of Common Stock and shares
of AMPS will be respected for Federal income tax purposes, and it is possible
that the IRS could disagree with counsel's opinion and attempt to reallocate
the Fund's net capital gains or other taxable income. In the event of a
reallocation, some of the dividends identified by the Fund as exempt-interest
dividends to holders of shares of AMPS may be recharacterized as additional
capital gains or other taxable income. In the event of such recharacterization,
the Fund would not be required to make payments to such shareholders to offset
the tax effect of such reallocation. In addition, a reallocation may cause the
Fund to be liable for income tax and excise tax on any reallocated taxable
income. Brown & Wood LLP has advised the Fund that, in its opinion, if the IRS
were to challenge in court the Fund's allocations of income and gain, the IRS
would be unlikely to prevail. A holder should be aware, however, that the
opinion of Brown & Wood LLP represents only its best legal judgment and is not
binding on the IRS or the courts.

  The Code subjects interest received on certain otherwise tax-exempt
securities to a Federal alternative minimum tax. The Federal alternative
minimum tax applies to interest received on "private activity bonds"

                                       31
<PAGE>

issued after August 7, 1986. Private activity bonds are bonds which, although
tax-exempt, are used for purposes other than those generally performed by
governmental units and which benefit non-governmental entities (e.g., bonds
used for industrial development or housing purposes). Income received on such
bonds is classified as an item of "tax preference" which could subject certain
investors in such bonds, including shareholders of the Fund, to an increased
Federal alternative minimum tax. The Fund intends to purchase such "private
activity bonds" and will report to shareholders within 60 days after calendar
year-end the portion of its dividends declared during the year which
constitutes an item of tax preference for Federal alternative minimum tax
purposes. The Code further provides that corporations are subject to a Federal
alternative minimum tax based, in part, on certain differences between taxable
income as adjusted for other tax preferences and the corporation's "adjusted
current earnings", which more closely reflect a corporation's economic income.
Because an exempt-interest dividend paid by the Fund will be included in
adjusted current earnings, a corporate shareholder may be required to pay a
Federal alternative minimum tax on exempt-interest dividends paid by the Fund.

  The Fund may invest in instruments the return on which includes
nontraditional features such as indexed principal or interest payments
("nontraditional instruments"). These instruments may be subject to special tax
rules under which the Fund may be required to accrue and distribute income
before amounts due under the obligations are paid. In addition, it is possible
that all or a portion of the interest payments on such nontraditional
instruments could be recharacterized as taxable ordinary income.

  If at any time when shares of AMPS are outstanding the Fund does not meet the
asset coverage requirements of the 1940 Act, the Fund will be required to
suspend distributions to holders of Common Stock until the asset coverage is
restored. See "Description of AMPS--Dividends--Restrictions on Dividends and
Other Payments." This may prevent the Fund from distributing at least 90% of
its net income, and may, therefore, jeopardize the Fund's qualification for
taxation as a RIC. If the Fund were to fail to qualify as a RIC, some or all of
the distributions paid by the Fund would be fully taxable for Federal and
Michigan income tax purposes. Upon any failure to meet the asset coverage
requirements of the 1940 Act, the Fund, in its sole discretion, may, and under
certain circumstances will be required to, redeem shares of AMPS in order to
maintain or restore the requisite asset coverage and avoid the adverse
consequences to the Fund and its shareholders of failing to qualify as a RIC.
See "Description of AMPS--Redemption." There can be no assurance, however, that
any such action would achieve such objectives.

  As noted above, the Fund must distribute annually at least 90% of its net
taxable and tax-exempt interest income. A distribution will only be counted for
this purpose if it qualifies for the dividends paid deduction under the Code.
Some types of preferred stock that the Fund currently contemplates issuing may
raise an issue as to whether distributions on such preferred stock are
"preferential" under the Code and therefore not eligible for the dividends paid
deduction. The Fund intends to issue preferred stock that counsel advises will
not result in the payment of a preferential dividend and may seek a private
letter ruling from the IRS to that effect. If the Fund ultimately relies solely
on a legal opinion when it issues such preferred stock, there is no assurance
that the IRS would agree that dividends on the preferred stock are not
preferential. If the IRS successfully disallowed the dividends paid deduction
for dividends on the preferred stock, the Fund could lose the benefit of the
special treatment afforded RICs under the Code. In this case, dividends paid by
the Fund would not be exempt from Federal income taxes. Additionally, the Fund
would be subject to the alternative minimum tax.

  Under certain Code provisions, some taxpayers may be subject to a 31%
withholding tax on certain ordinary income dividends and on capital gain
dividends and redemption payments ("backup withholding"). Generally,
shareholders subject to backup withholding will be those for whom no certified
taxpayer identification number is on file with the Fund or who, to the Fund's
knowledge, have furnished an incorrect number. When establishing an account, an
investor must certify under penalty of perjury that such number is correct and
that such investor is not otherwise subject to backup withholding.

  Ordinary income dividends paid to shareholders who are nonresident aliens or
foreign entities will be subject to a 30% United States withholding tax under
existing provisions of the Code applicable to foreign individuals and entities
unless a reduced rate of withholding or a withholding exemption is provided
under

                                       32
<PAGE>

applicable treaty law. Nonresident shareholders are urged to consult their own
tax advisers concerning the applicability of the United States withholding tax.

  The Code provides that every shareholder required to file a tax return must
include for information purposes on such return the amount of exempt-interest
dividends received from all sources (including the Fund) during the taxable
year.

Tax Treatment of Additional Dividends

  If the Fund makes a Retroactive Taxable Allocation, it will pay Additional
Dividends to holders of shares of AMPS who are subject to the Retroactive
Taxable Allocation. See "Description of AMPS--Dividends--Additional Dividends"
in the prospectus. The Federal income tax consequences of Additional Dividends
under existing law are uncertain. The Fund intends to treat a holder as
receiving a dividend distribution in the amount of any Additional Dividend only
as and when such Additional Dividend is paid. An Additional Dividend generally
will be designated by the Fund as an exempt-interest divided except as
otherwise required by applicable law. However, the IRS may assert that all or
part of an Additional Dividend is a taxable dividend either in the taxable year
for which the Retroactive Taxable Allocation is made or in the taxable year in
which the Additional Dividend is paid.

Tax Treatment of Options and Futures Transactions

  The Fund may purchase or sell municipal bond index financial futures
contracts and interest rate financial futures contracts on U.S. Government
securities. The Fund may also purchase and write call and put options on such
financial futures contracts. In general, unless an election is available to the
Fund or an exception applies, such options and financial futures contracts that
are "Section 1256 contracts" will be "marked to market" for Federal income tax
purposes at the end of each taxable year, i.e., each such option or financial
futures contract will be treated as sold for its fair market value on the last
day of the taxable year, and any gain or loss attributable to Section 1256
contracts will be 60% long-term and 40% short-term capital gain or loss.
Application of these rules to Section 1256 contracts held by the Fund may alter
the timing and character of distributions to shareholders. The mark-to-market
rules outlined above, however, will not apply to certain transactions entered
into by the Fund solely to reduce the risk of changes in price or interest
rates with respect to its investments.

  Code Section 1092, which applies to certain "straddles," may affect the
taxation of the Fund's sales of securities and transactions in financial
futures contracts and related options. Under Section 1092, the Fund may be
required to postpone recognition for tax purposes of losses incurred in certain
sales of securities and certain closing transactions in financial futures
contracts or the related options.

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

  The foregoing is a general and abbreviated summary of the applicable
provisions of the Code and Treasury Regulations and Michigan tax laws presently
in effect. For the complete provisions, reference should be made to the
pertinent Code sections, the Treasury Regulations promulgated thereunder and
Michigan personal income and corporate tax laws. The Code and the Treasury
Regulations, as well as the applicable tax tax laws, are subject to change by
legislative, judicial or administrative action either prospectively or
retroactively.

  Shareholders are urged to consult their tax advisers regarding specific
questions as to Federal, foreign, state or local taxes.

                                NET ASSET VALUE

  Net asset value per share of common stock is determined after the close of
business on the New York Stock Exchange (the "NYSE") (generally, the NYSE
closes at 4:00 p.m. Eastern time) on the last Business

                                       33
<PAGE>

Day of each week. For purposes of determining the net asset value of a share of
common stock, the value of the securities held by the Fund plus any cash or
other assets (including interest accrued but not yet received) minus all
liabilities (including accrued expenses) and the aggregate liquidation value of
the outstanding shares of AMPS is divided by the total number of shares of
common stock outstanding at such time. Expenses, including the fees payable to
the Investment Adviser, are accrued daily.

  The Michigan Municipal Bonds and Municipal Bonds in which the Fund invests
are traded primarily in the over-the-counter markets. In determining net asset
value, the Fund utilizes the valuations of portfolio securities furnished by a
pricing service approved by the Board of Directors. The pricing service
typically values portfolio securities at the bid price or the yield equivalent
when quotations are readily available. Michigan Municipal Bonds and Municipal
Bonds for which quotations are not readily available are valued at fair market
value on a consistent basis as determined by the pricing service using a matrix
system to determine valuations. The procedures of the pricing service and its
valuations are reviewed by the officers of the Fund under the general
supervision of the Board of Directors. The Board of Directors has determined in
good faith that the use of a pricing service is a fair method of determining
the valuation of portfolio securities. Positions in futures contracts are
valued at closing prices for such contracts established by the exchange 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 Directors.

  The Fund determines and makes available for publication the net asset value
of its common stock weekly. Currently, the net asset values of shares of
publicly traded closed-end investment companies investing in debt securities
are published in Barron's, the Monday edition of The Wall Street Journal, and
the Monday and Saturday editions of The New York Times.

                             ADDITIONAL INFORMATION

  The Fund is subject to the informational requirements of the Securities
Exchange Act of 1934 and the 1940 Act and in accordance therewith is required
to file reports, proxy statements and other information with the Commission.
Any such reports, proxy statements and other information can be inspected and
copied at the public reference facilities of the Commission at Room 1024,
Judiciary Plaza, 450 Fifth Street, N.W., Washington, D.C. 20549, and at the
following regional offices of the Commission: Regional Office, at Seven World
Trade Center, Suite 1300, New York, New York 10048; Pacific Regional Office, at
5670 Wilshire Boulevard, 11th Floor, Los Angeles, California 90036; and Midwest
Regional Office, at Northwestern Atrium Center, 500 West Madison Street, Suite
1400, Chicago, Illinois 60661-2511. Copies of such materials can be obtained
from the public reference section of the Commission at 450 Fifth Street, N.W.,
Washington, D.C. 20549, at prescribed rates. The Commission maintains a Web
site at http://www.sec.gov containing reports, proxy and information statements
and other information regarding registrants, including the Fund, that file
electronically with the Commission. Reports, proxy statements and other
information concerning the Fund can also be inspected at the offices of the
American Stock Exchange, 980 Washington Boulevard, Gaithersburg, Maryland 20878

  Additional information regarding the Fund and the shares of AMPS is contained
in the Registration Statement on Form N-2, including amendments, exhibits and
schedules thereto, relating to such shares filed by the Fund with the
Commission in Washington, D.C. This statement of additional information and the
prospectus do not contain all of the information set forth in the Registration
Statement, including any amendments, exhibits and schedules thereto. For
further information with respect to the Fund and the shares offered hereby,
reference is made to the Registration Statement. Statements contained in this
statement of additional information and the 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, each such statement being
qualified in all respects by such reference. A copy of the Registration
Statement may be inspected without charge at the Commission's principal office
in Washington, D.C., and copies of all or any part thereof may be obtained from
the Commission upon the payment of certain fees prescribed by the Commission.

                                       34
<PAGE>


                      REPORT OF INDEPENDENT AUDITORS

To the Board of Directors and Shareholder of

 MuniHoldings Michigan Insured Fund II, Inc.:

We have audited the accompanying statement of assets, liabilities and capital
of MuniHoldings Michigan Insured Fund II, Inc. as of August 30, 1999. This
statement of assets, liabilities and capital is the responsibility of the
Fund's management. Our responsibility is to express an opinion on this
statement of assets, liabilities and capital based on our audit.

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

In our opinion, the statement of assets, liabilities and capital referred to
above presents fairly, in all material respects, the financial position of
MuniHoldings Michigan Insured Fund II, Inc. at August 30, 1999 in conformity
with generally accepted accounting principles.

                                          Ernst & Young LLP

MetroPark, New Jersey

August 31, 1999

                                       35
<PAGE>

                  MUNIHOLDINGS MICHIGAN INSURED FUND II, INC.

                  Statement of Assets, Liabilities and Capital

                              August 30, 1999

<TABLE>
<CAPTION>
ASSETS
<S>                                                                    <C>
  Cash................................................................ $100,005
  Offering costs (Note 1).............................................  140,000
                                                                       --------
    Total assets......................................................  240,005
                                                                       --------
LIABILITIES
    Liabilities and accrued expenses (Note 1).........................  140,000
                                                                       --------
NET ASSETS............................................................ $100,005
                                                                       ========
CAPITAL
  Common Stock, par value $.10 per share; 200,000,000 shares
   authorized:
   6,667 shares issued and outstanding (Note 1)....................... $    667
  Paid-in Capital in excess of par....................................   99,338
                                                                       --------
  Total Capital-Equivalent to $15.00 net asset value per share of
   Common Stock (Note 1).............................................. $100,005
                                                                       ========
</TABLE>
- --------
See Notes to Financial Statements.

             Notes to Statement of Assets, Liabilities and Capital

Note 1. Organization

  The Fund was incorporated under the laws of the State of Maryland on July 9,
1999 as a closed-end, non-diversified management investment company and has had
no operations other than the sale to Fund Asset Management, L.P. (the
"Investment Adviser") of an aggregate of 6,667 shares of Common Stock for
$100,005 on August 30, 1999. The General Partner of the Investment Adviser is
an indirect wholly-owned subsidiary of Merrill Lynch & Co., Inc.

  The Investment Adviser, on behalf of the Fund, will incur organization costs
estimated at $30,250. Direct costs relating to the public offering of the
Fund's shares will be charged to capital at the time of issuance of shares.

Note 2. Management Arrangements

  The Fund has engaged the Investment Adviser to provide investment advisory
and management services to the Fund. The Investment Adviser will receive a
monthly fee for advisory services at an annual rate of 0.55 of 1% of the Fund's
average weekly net assets, including proceeds from the issuance of Preferred
Stock. The Investment Adviser will pay Merrill Lynch, Pierce, Fenner & Smith
Incorporated a commission in the amount of 2.00% of the price to the public in
connection with the initial public offering of the Fund's common stock.

Note 3. Federal Income Taxes

  The Fund intends to qualify as a "regulated investment company" and as such
(and by complying with the applicable provisions of the Internal Revenue Code
of 1986, as amended) will not be subject to Federal income tax on taxable
income (including realized capital gains) that is distributed to shareholders.

                                       36
<PAGE>

                  MUNIHOLDINGS MICHIGAN INSURED FUND II, INC.
                      SCHEDULE OF INVESTMENTS (Unaudited)

                            September 17, 1999
                                 (in Thousands)

<TABLE>
<CAPTION>
   S&P   Moody's  Face                                                  Value
 Ratings Ratings Amount                    Issue                      (Note 1a)
 ------- ------- ------                  ---------                    ---------
 <C>     <C>     <C>    <S>                                           <C>
 Michigan--96.2%
 AAA       Aaa   $1,500 Chippewa Valley, Michigan, Schools, GO,        $ 1,323
                         Refunding, 5% due 5/01/2027(a)
 AAA       Aaa    2,500 Coopersville Area, Michigan, Public              2,224
                         Schools, GO, 5% due 5/01/2024(d)
 AAA       Aaa    1,000 Detroit, Michigan, Sewage Disposal Revenue         885
                         Bonds, Series A, 5% due 7/01/2027(d)
 AAA       Aaa    2,000 Durand Michigan Area Schools, GO, 5.375%         1,909
                         due 5/01/2023(b)
 AAA       Aaa    1,600 Grand Ledge, Michigan, Public Schools            1,525
                         District, GO, Refunding, 5.375% due
                         5/01/2024(d)
 AAA       Aaa    2,105 Grand Traverse County, Michigan, Hospital        2,041
                         Revenue Refunding Bonds (Munson
                         Healthcare), Series A, 5.25% due
                         7/01/2013(a)
 AAA       Aaa    1,770 Holly, Michigan, Area School District, GO,       1,587
                         Refunding, 5% due 5/01/2022(b)
 AAA       Aaa    1,950 Michigan State HDA, M/F Rental Housing           1,805
                         Revenue Bonds, Series B, 5.10% due
                         10/01/2019(d)
 AAA       NR*    1,920 Michigan State HDA, S/F Housing Revenue          1,769
                         Bonds, AMT, Series B, 5.20% due
                         12/01/2018(a)
 AAA       Aaa    5,000 Michigan State Strategic Fund, Limited           4,735
                         Obligation Revenue Refunding Bonds
                         (Detroit Edison Company), AMT, Series A,
                         5.55% due 9/01/2029(d)
 NR*       P1     2,000 Michigan State Strategic Fund, PCR,              2,000
                         Refunding (Consumers Power Project), VRDN,
                         3.65% due 4/15/2018(f)
 AAA       Aaa    2,190 Montabella Community School District,            2,056
                         Michigan, GO, 5.25% due 5/01/2020(b)
 AAA       Aaa    2,000 Muskegon Heights, Michigan, Public Schools,      1,780
                         GO, 5% due 5/01/2024(d)
 AAA       Aaa    1,000 Northern Michigan University Revenue               920
                         Refunding Bonds, 5.125% due 12/01/2020(d)
 AAA       Aaa    1,500 Novi Michigan Building Authority Revenue         1,477
                         Bonds, 5.60% due 10/01/2019(c)
 AAA       Aaa    1,000 Sault Sainte Marie, Michigan, Area Public          960
                         Schools, GO, 5.375% due 5/01/2019(b)
 AAA       Aaa    2,500 Three Rivers, Michigan, Community Schools,       2,235
                         GO, Refunding, 5% due 5/01/2023(c)
 NR*       Aaa    7,250 Wayne Charter County, Michigan, Airport          6,612
                         Revenue Bonds, RITR, AMT, Series 68,
                         6.845% due 12/01/2017(d)(e)
 AAA       Aaa    5,650 Wayne State University, Michigan,                5,109
                         University Revenue Refunding Bonds, 5.125%
                         due 11/15/2029(b)
 AAA       Aaa    2,000 Ypsilanti, Michigan, School District, GO,        1,901
                         Refunding, 5.375% due 5/01/2026(b)
                        Zeeland Michigan Public Schools, GO (b):
 AAA       Aaa    2,500 5.25% due 5/01/2019                              2,362
 AAA       Aaa    2,000 5.25% due 5/01/2022                              1,867
- -------------------------------------------------------------------------------
 Total Investments (Cost--$49,061)--96.2%                               49,082
 Other Assets Less Liabilities--3.8%                                     1,925
                                                                       -------
 Net Assets-- 100.0%                                                   $51,007
                                                                       =======
</TABLE>
- --------

(a) AMBAC Insured.

(b) FGIC Insured.

(c) FSA Insured.

(d) MBIA Insured.

(e) The interest rate is subject to change periodically and inversely based
    upon prevailing market rates. The interest rate shown is the rate in effect
    at September 17, 1999.

(f) The interest rate is subject to change periodically based upon prevailing
    market rates. The interest rate shown is the rate in effect at September
    17, 1999.

*  Not Rated.

See Notes to Financial Statements.

Portfolio Abbreviations

  To simplify the listings of MuniHoldings Michigan Insured Fund II, Inc.'s
portfolio holdings in the Schedule of Investments, we have abbreviated the
names of many of the securities according to the list below.

<TABLE>
     <S>     <C>
       AMT   Alternative Minimum Tax (subject to)
       GO    General Obligation Bonds
       HDA   Housing Development Authority
       M/F   Multi-Family
       PCR   Pollution Control Revenue Bonds
       RITR  Residual Interest Trust Receipts
       S/F   Single-Family
       VRDN  Variable Rate Demand Notes
</TABLE>

                                       37
<PAGE>

                  MUNIHOLDINGS MICHIGAN INSURED FUND II, INC.

                  STATEMENT OF ASSETS, LIABILITIES AND CAPITAL

                   as of September 17, 1999 (Unaudited)

<TABLE>
<S>                                                      <C>         <C>
Assets:
Investments, at value (identified cost--$49,060,602)
 (Note 1a).............................................              $49,081,519
Receivables:
  Capital shares sold..................................  $51,100,005
  Interest.............................................      780,128
  Investment adviser (Note 2)..........................          399  51,880,532
                                                         ----------- -----------
Total assets...........................................              100,962,051
                                                                     -----------
Liabilities:
Payable for securities purchased.......................               49,817,264
Accrued expenses and other liabilities.................                  137,569
                                                                     -----------
Total liabilities......................................               49,954,833
                                                                     -----------
Net Assets:
Net assets.............................................              $51,007,218
                                                                     ===========
Capital:
Capital Stock (200,000,000 shares authorized) (Note 4):
  Common Stock, par value $.10 per share (3,406,667
   shares issued and outstanding)......................              $   340,667
Paid-in capital in excess of par.......................               50,622,168
Undistributed investment income--net...................                   23,466
Unrealized appreciation on investments--net............                   20,917
                                                                     -----------
Total capital--Equivalent to $14.97 net asset value per
 share of Common Stock.................................              $51,007,218
                                                                     ===========
</TABLE>


                       See Notes to Financial Statements.

                                       38
<PAGE>

                  MUNIHOLDINGS MICHIGAN INSURED FUND II, INC.

                   Notes to Financial Statements (Unaudited)

1. Significant Accounting Policies:

  MuniHoldings Michigan Insured Fund II, Inc. (the "Fund") is registered under
the Investment Company Act of 1940 as a non-diversified, closed-end management
investment company. Prior to commencement of operations on September 17, 1999,
the Fund had no operations other than those relating to organizational matters
and the sale of 6,667 shares of Common Stock on August 30, 1999, to Fund Asset
Management, L.P. ("FAM") for $100,005. The Fund determines and makes available
for publication the net asset value of its Common Stock on a weekly basis. The
Fund's Common Stock is listed on the American Stock Exchange under the symbol
MDH. The following is a summary of significant accounting policies followed by
the Fund.

  (a) Valuation of investments--Municipal bonds are traded primarily in the
over-the-counter markets and are valued at the most recent bid price or yield
equivalent as obtained by the Fund's pricing service from dealers that make
markets in such securities. Financial futures contracts and options thereon,
which are traded on exchanges, are valued at their closing prices as of the
close of such exchanges. Options written or purchased are valued at the last
sale price in the case of exchange-traded options. In the case of options
traded in the over-the-counter market, valuation is the last asked price
(options written) or the last bid price (options purchased). Securities with
remaining maturities of sixty days or less are valued at amortized cost, which
approximates market value. Securities and assets for which market quotations
are not readily available are valued at fair value as determined in good faith
by or under the direction of the Board of Directors of the Fund, including
valuations furnished by a pricing service retained by the Fund, which may
utilize a matrix system for valuations. The procedures of the pricing service
and its valuations are reviewed by the officers of the Fund under the general
supervision of the Board of Directors.

  (b) Derivative financial instruments--The Fund may engage in various
portfolio strategies to seek to increase its return by hedging its portfolio
against adverse movements in the debt markets. Losses may arise due to changes
in the value of the contract or if the counterparty does not perform under the
contract.

  . Financial futures contracts--The Fund may purchase or sell financial
    futures contracts and options on such futures contracts for the purpose
    of hedging the market risk on existing securities or the intended
    purchase of securities. Futures contracts are contracts for delayed
    delivery of securities at a specific future date and at a specific price
    or yield. Upon entering into a contract, the Fund deposits and maintains
    as collateral such initial margin as required by the exchange on which
    the transaction is effected. Pursuant to the contract, the Fund agrees to
    receive from or pay to the broker an amount of cash equal to the daily
    fluctuation in value of the contract. Such receipts or payments are known
    as variation margin and are recorded by the Fund as unrealized gains or
    losses. When the contract is closed, the Fund records a realized gain or
    loss equal to the difference between the value of the contract at the
    time it was opened and the value at the time it was closed.

  . Options--The Fund is authorized to write covered call options and
    purchase call and put options. When the Fund writes an option, an amount
    equal to the premium received by the Fund is reflected as an asset and an
    equivalent liability. The amount of the liability is subsequently marked
    to market to reflect the current market value of the option written. When
    a security is purchased or sold through an exercise of an option, the
    related premium paid (or received) is added to (or deducted from) the
    basis of the security acquired or deducted from (or added to) the
    proceeds of the security sold. When an option expires (or the Fund enters
    into a closing transaction), the Fund realizes a gain or loss on the
    option to the extent of the premiums received or paid (or gain or loss to
    the extent the cost of the closing transaction exceeds the premium paid
    or received).

  Written and purchased options are non-income producing investments.

                                       39
<PAGE>

                  MUNIHOLDINGS MICHIGAN INSURED FUND II, INC.

             Notes to Financial Statements (Unaudited)--(Continued)


  (c) Income taxes--It is the Fund's policy to comply with the requirements of
the Internal Revenue Code applicable to regulated investment companies and to
distribute substantially all of its taxable income to its shareholders.
Therefore, no Federal income tax provision is required.

  (d) Security transactions and investment income--Security transactions are
recorded on the dates the transactions are entered into (the trade dates).
Interest income is recognized on the accrual basis. Discounts and market
premiums are amortized into interest income. Realized gains and losses on
security transactions are determined on the identified cost basis.

  (e) Dividends and distributions--Dividends from net investment income are
declared and paid monthly. Distributions of capital gains are recorded on the
ex-dividend dates.

2. Investment Advisory Agreement and Transactions with Affiliates:

  The Fund has entered into an Investment Advisory Agreement with FAM. The
general partner of FAM is Princeton Services, Inc. ("PSI"), an indirect wholly-
owned subsidiary of Merrill Lynch & Co., Inc. ("ML & Co."), which is the
limited partner.

  FAM is responsible for the management of the Fund's portfolio and provides
the necessary personnel, facilities, equipment and certain other services
necessary to the operations of the Fund. For such services, the Fund pays a
monthly fee at an annual rate of 0.55% of the Fund's average weekly net assets.
For the period ended September 17, 1999, FAM earned fees of $2,304, all of
which was voluntarily waived. FAM also reimbursed the Fund additional expenses
of $399.

  Accounting services are provided to the Fund by FAM at cost.

  Certain officers and/or directors of the Fund are officers and/or directors
of FAM, PSI, and/or ML & Co.

3. Investments:

  Purchases of investments, excluding short-term securities, for the period
ended September 17, 1999 were $47,060,602. There were no long-term sales.

  Net unrealized gains as of September 17, 1999 were as follows:

<TABLE>
<CAPTION>
                                               Unrealized
                                                 Gains
                                               ----------
            <S>                                <C>
            Long-term investments.............  $20,917
                                                -------
            Total.............................  $20,917
                                                =======
</TABLE>

  As of September 17, 1999, net unrealized appreciation for Federal income tax
purposes aggregated $20,917, of which $26,682 related to appreciated securities
and $5,765 related to depreciated securities. The aggregate cost of investments
at September 17, 1999 for Federal income tax purposes was $49,060,602.

4. Capital Stock Transactions:

  The Fund is authorized to issue 200,000,000 shares of capital stock,
including Preferred Stock, par value $.10 per share, all of which were
initially classified as Common Stock. The Board of Directors is authorized,
however, to reclassify any unissued shares of capital stock without approval of
holders of Common Stock.

                                       40
<PAGE>

                  MUNIHOLDINGS MICHIGAN INSURED FUND II, INC.

             Notes to Financial Statements (Unaudited)--(Concluded)


Common Stock

  Shares issued and outstanding increased by 3,400,000 as result of the initial
offering.

5. General:

  As of September 17, 1999, the Fund had only one day of investment operations
and had not yet declared dividends (whereas it will ordinarily do so on a
monthly basis). As a result, the Fund believes that more extensive interim
financial statements would not be indicative of the Fund's current and ongoing
operations. The Fund believes that such financial statements may be misleading
to potential investors and, accordingly, believes that inclusion of such
financial statements would be inappropriate. For the period ended
September 17, 1999, the Fund had net investment income of $23,466. FAM
voluntarily waived all expenses.

                                       41
<PAGE>


                                APPENDIX A

                 ECONOMIC AND OTHER CONDITIONS IN MICHIGAN

  The following information is a brief summary of factors affecting the economy
of the State of Michigan (the "State") and does not purport to be a complete
description of such factors. Other factors will affect issuers. The summary is
based primarily upon one or more publicly available offering statements
relating to debt offerings of state issuers. The Fund has not independently
verified the information.

  Economic activity in the State of Michigan has tended to be more cyclical
than in the nation as a whole. The State's efforts to diversify its economy
have proven successful, as reflected by the fact that the share of employment
in the State in the durable goods sector has fallen from 33.1% in 1960 to 16.0%
in 1998. While durable goods manufacturing still represents a sizable portion
of the State's economy, the service sector now represents 27.51% of the State's
economy. Any substantial national economic downturn may have an adverse effect
on the economy of the State and on the revenues of the State and some of its
local governmental units. Although historically, the average monthly
unemployment rate in the State has been higher than the average figures for the
United States, for the last three years, the unemployment rate in the State has
been at or below the national average. During 1998, the average monthly
unemployment rate in the State was 3.9% compared to a national average of 4.5%.

  The State's economy could continue to be affected by changes in the auto
industry resulting from competitive pressures, overcapacity and labor disputes.
Such actions could adversely affect State revenues and the financial impact on
the local units of government in the areas in which plants are located could be
more severe.

  The Michigan Constitution limits the amount of total revenues of the State
raised from taxes and certain other sources to a level for each fiscal year
equal to a percentage of the State's personal income for the prior calendar
year. In the event the State's total revenues exceed the limit by 1% or more,
the Constitution requires that the excess be refunded to taxpayers. To avoid
exceeding the revenue limit in the State's 1994-95 fiscal year, the State
refunded approximately $113 million through income tax credits for the 1995
calendar year. The State Constitution does not prohibit the increasing of taxes
so long as expected revenues do not exceed the revenue limit and authorizes
exceeding the limit for emergencies. The State Constitution further provides
that the proportion of State spending paid to all local units to total spending
may not be reduced below the proportion in effect for the 1978-79 fiscal year.
The Constitution requires that if spending does not meet the required level in
a given year an additional appropriation for local units is required for the
following fiscal year. The State Constitution also requires the State to
finance any new or expanded activity of local units mandated by State law. Any
expenditures required by this provision would be counted as State spending for
local units for purposes of determining compliance with the provisions stated
above.

  The State Constitution limits the purposes for which State general obligation
debt may be issued. Such debt is limited to short-term debt for State operating
purposes, short- and long-term debt for the purposes of making loans to school
districts and long-term debt for voter approved purposes. In addition to the
foregoing, the State authorizes special purpose agencies and authorities to
issue revenue bonds payable from designated revenues and fees. Revenue bonds
are not obligations of the State and in the event of shortfalls in self-
supporting revenues, the State has no legal obligation to appropriate money to
these debt service payments. The State's Constitution also directs or restricts
the use of certain revenues.

  The State finances its operations through the State's General Fund and
Special Revenue Funds. The General Fund receives revenues of the State that are
not specifically required to be included in the Special Revenue Fund. General
Fund revenues are obtained approximately 55% from the payment of State taxes
and 45% from federal and non-tax revenue sources. The majority of the revenues
from State taxes are from the State's personal income tax, single business tax,
use tax, sales tax and various other taxes. Approximately two-thirds of total
General Fund expenditures are for State support of public education and for
social services

                                      A-1
<PAGE>


programs. Other significant expenditures from the General Fund provide funds
for law enforcement, general State government, debt service and capital outlay.
The State Constitution requires that any prior year's surplus or deficit in any
fund must be included in the next succeeding year's budget for that fund.

  The State of Michigan reports its financial results in accordance with
generally accepted accounting principles. The State ended the five fiscal years
1992-96 with its General Fund in balance after substantial transfers from the
General Fund to the Budget Stabilization Fund. For the 1997 fiscal year, the
State closed its books with its general fund in balance. During the 1997-98
fiscal year, an error was identified pertaining to the Medicaid program
administered by the Department of Community Health ("DCH"). Over a ten-year
period, DCH did not properly record all Medicaid expenditures and revenues on a
modified accrual basis as required by GAAP. For the fiscal year ended September
30, 1997, the General Fund did not reflect Medicaid expenditures of $178.7
million, and federal revenue of $24.6 million. As a result, the ending General
Fund balance for the fiscal year ended September 30, 1997, has reduced by
$154.1 million to account for the correction of the prior period error. The
General Fund was in balance as of September 30, 1998. The balance in the Budget
Stabilization Fund as of September 30, 1998 was $1,000.5 million. In all but
one of the last six fiscal years the State has borrowed between $500 million
and $900 million for cash flow purposes. It borrowed $900 million in each of
the 1996, 1997 and 1998 fiscal years. No cash flow borrowing is planned for the
1999 fiscal year.

  In November, 1997, the State Legislature adopted legislation to provide for
the funding of claims of local school districts, some of whom had alleged in a
lawsuit, Durant v. State of Michigan, that the State had, over a period of
years, paid less in school aid than required by the State's Constitution. Under
this legislation, the State paid to school districts which were plaintiffs in
the suit approximately $212 million from the Budget Stabilization Fund on April
15, 1998, and will be required to pay to other school districts an estimated
amount of $632 million over time. These payments, commencing in fiscal year
1998-99, will be paid out of the Budget Stabilization Fund and the General
Fund, half in annual payments over ten years and half in annual payments over
fifteen years.

  Amendments to the Michigan Constitution which placed limitations on increases
in State taxes and local ad valorem taxes (including taxes used to meet debt
service commitments on obligations of taxing units) were approved by the voters
of the State of Michigan in November 1978 and became effective on December 23,
1978. To the extent that obligations in the Fund are tax supported and are for
local units and have not been voted by the taxing unit's electors, the ability
of the local units to levy debt service taxes might be affected.

  State law provides for distributions of certain State collected taxes or
portions thereof to local units based in part on population as shown by census
figures and authorizes levy of certain local taxes by local units having a
certain level of population as determined by census figures. Reductions in
population in local units resulting from periodic census could result in a
reduction in the amount of State collected taxes returned to those local units
and in reductions in levels of local tax collections for such local units
unless the impact of the census is changed by State law. No assurance can be
given that any such State law will be enacted. In the 1991 fiscal year, the
State deferred certain scheduled payments to municipalities, school districts,
universities and community colleges. While such deferrals were made up at later
dates, similar future deferrals could have an adverse impact on the cash
position of some local units. Additionally, while total State revenue sharing
payments have increased in each of the last five years, the State has reduced
revenue sharing payments to municipalities below the level otherwise provided
under formulas in each of those years.

  On March 15, 1994, the electors of the State voted to amend the State's
Constitution to increase the State sales tax rate from 4% to 6% and to place an
annual cap on property assessment increases for all property taxes. Companion
legislation also cut the State's income tax rate from 4.6% to 4.4%, reduced
some property taxes and shifted the balance of school funding sources among
property taxes and State revenues, some of which are being provided from new or
increased State taxes. The legislation also contains other provisions that may
reduce or alter the revenues of local units of government and tax increment
bonds could be particularly

                                      A-2
<PAGE>


affected. While the ultimate impact of the constitutional amendment and related
legislation cannot yet be accurately predicted, investors should be alert to
the potential effect of such measures upon the operations and revenues of
Michigan local units of government.

  The State is a party to various legal proceedings seeking damages or
injunctive or other relief. In addition to routine litigation, certain of these
proceedings could, if unfavorably resolved from the point of view of the State,
substantially affect State or local programs or finances. These lawsuits
involve programs generally in the areas of corrections, highway maintenance,
social services, tax collection, commerce and budgetary reductions to school
districts and governmental units and court funding.

  Currently, the State's general obligation bonds are rated Aal by Moody's, AA+
by Standard & Poor's and AA+ by Fitch. The State received upgrades in January
1998 from Standard & Poor's, in March 1998 from Moody's and in April 1998 from
Fitch.

                                      A-3
<PAGE>

                                   APPENDIX B

                           RATINGS OF MUNICIPAL BONDS

Description of Moody's Investors Service, Inc.'s ("Moody's") Municipal Bond
Ratings

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

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

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

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

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

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

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

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

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

  Note: These bonds in the Aa, A, Baa, Ba and B groups which Moody's believes
possess the strongest investment attributes are designated by the symbols Aa1,
Al, Baal, Bal and B1.

  Short-term Notes: The three ratings of Moody's for short-term notes are MIG
1/VMIG 1, MIG 2/VMIG 2, and MIG 3/VMIG 3; MIG 1/VMIG 1 denotes "best quality,
enjoying strong protection from established cash flows"; MIG 2/VMIG 2 denotes
"high quality" with "ample margins of protection"; MIG 3/VMIG 3 instruments are
of "favorable quality . . . but . . . lacking the undeniable strength of the
preceding grades."

                                      B-1
<PAGE>

Description of Moody's Commercial Paper Ratings

  Moody's Commercial Paper ratings are opinions of the ability of issuers to
repay punctually promissory obligations not having an original maturity in
excess of nine months. Moody's employs the following three designations, all
judged to be investment grade, to indicate the relative repayment capacity of
rated issuers:

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

  Issuers rated Prime-2 (or supporting institutions) have a strong ability for
repayment of short-term promissory 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, will be more subject to
variation. Capitalization characteristics, while still appropriate, may be
more affected by external conditions. Ample alternate liquidity is maintained.

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

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

Description of Standard & Poor's, a Division of the McGraw-Hill Companies,
Inc. ("Standard & Poor's"), Municipal Debt Ratings

  A Standard & Poor's municipal debt rating is a current assessment of the
creditworthiness of an obligor with respect to a specific financial
obligation, a specific class of financial obligations or a specific program.
It takes into consideration the creditworthiness of guarantors, insurers, or
other forms of credit enhancement on the obligation.

  The debt rating is not a recommendation to purchase, sell or hold a
financial obligation, inasmuch as it does not comment as to market price or
suitability for a particular investor.

  The ratings are based on current information furnished by the issuer or
obtained by Standard & Poor's from other sources Standard & Poor's considers
reliable. Standard & Poor's 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, or based on other circumstances.

  The ratings are based, in varying degrees, on the following considerations:

    I. Likelihood of default--capacity and willingness of the obligor as to
  the timely payment of interest and repayment of principal in accordance
  with the terms of the obligation;

    II. Nature of and provisions of the obligation;

    III. Protection afforded to, and relative position of, the obligation in
  the event of bankruptcy, reorganization or other arrangement under the laws
  of bankruptcy and other laws affecting creditors' rights.

  AAA      Debt rated "AAA" has the highest rating assigned by Standard &
           Poor's. Capacity of the obligor to meet its financial commitment on
           the obligation is extremely strong.

           Debt rated "AA" differs from the highest-rated issues only in small
  AA       degree. The obligor's capacity to meet its financial commitment on
           the obligation is very strong.

                                      B-2
<PAGE>

  A
           Debt rated "A" is somewhat more susceptible to the adverse effects
           of changes in circumstances and economic conditions than debt in
           higher-rated categories. However, the obligor's capacity to meet
           its financial commitment on the obligation is still strong.

  BBB      Debt rated "BBB" 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.

  BB       Debt rated "BB," "B," "CCC," "CC" and "C" are regarded as having B
           significant speculative characteristics. "BB" indicates the least
           CCC degree of speculation and "C" the highest degree of
           speculation. While CC such debt will likely have some quality and
           protective characteristics, C these may be outweighed by large
           uncertainties or major risk exposures to adverse conditions.

  D        Debt 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
           Standard & Poor's believes that such payments will be made during
           such grace period. The "D" rating also will be used upon the filing
           of a bankruptcy petition or the taking of similar action if
           payments on an obligation are jeopardized.

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

Description of Standard & Poor's Commercial Paper Ratings

  A Standard & Poor'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-l"
for the highest quality obligations to "D" for the lowest. These categories are
as follows:

  A-1      This designation indicates that the degree of safety regarding
           timely payment is strong. Those issues determined to possess
           extremely strong safety characteristics are denoted with a plus
           sign (+) designation.

  A-2      Capacity for timely payment on issues with this designation is
           satisfactory. However, the relative degree of safety is not as high
           as for issues designated "A-1."

  A-3      Issues carrying this designation have adequate capacity for timely
           payment. They are, however, more vulnerable to the adverse effects
           of changes in circumstances than obligations carrying the higher
           designations.

  B        Issues rated "B" are regarded as having only speculative capacity
           for timely payment.

  C        This rating is assigned to short-term debt obligations with a
           doubtful capacity for payment.

  D        Debt rated "D" is in payment default. The "D" rating category is
           used when interest payments or principal payments are not made on
           the date due, even if the applicable grace period has not expired
           unless Standard & Poor's believes that such payments will be made
           during such grace period.

  A commercial paper rating is not a recommendation to purchase or sell a
security. The ratings are based on current information furnished to Standard &
Poor's by the issuer or obtained by Standard & Poor's from other sources it
considers reliable. The ratings may be changed, suspended, or withdrawn as a
result of changes in, or unavailability of, such information.

  A Standard & Poor's note rating reflects the liquidity factors and market
access risks unique to such notes. Notes due in three years or less will likely
receive a note rating. Notes maturing beyond three years will most likely
receive a long-term debt rating. The following criteria will be used in making
that assessment.

  --Amortization schedule--the larger the final maturity relative to other
   maturities, the more likely it will be treated as a note.

  --Source of payment--the more dependent the issue is on the market for its
   refinancing, the more likely it will be treated as a note.

                                      B-3
<PAGE>

  Note rating symbols are as follows:

  SP-1     Strong capacity to pay principal and interest. An issue determined
           to possess a very strong capacity to pay debt service is given a
           plus (+) designation.

  SP-2     Satisfactory capacity to pay principal and interest with some
           vulnerability to adverse financial and economic changes over the
           term of the notes.

  SP-3     Speculative capacity to pay principal and interest.

  c        The "c" subscript is used to provide additional information to
           investors, that the bank may terminate its obligation to purchase
           tendered bonds if the long-term credit rating of the issuer is
           below an investment-grade level and/or the issuer's bonds are
           deemed taxable.

  p        The letter "p" indicates that the rating is provisional. A
           provisional rating assumes the successful completion of the project
           financed by the debt being rated and indicates that payment of debt
           service requirements is largely or entirely dependent upon the
           successful, 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.

  *        Continuance of the ratings is contingent upon Standard & Poor's
           receipt of an executed copy of the escrow agreement or closing
           documentation confirming investments and cash flows.

  r        The "r" highlights derivative, hybrid, and certain other
           obligations that Standard & Poor's believes may experience high
           volatility or high variability in expected returns as a result of
           noncredit risks. Examples of such obligations are securities with
           principal or interest return indexed to equities, commodities, or
           currencies; certain swaps and options; and interest-only and
           principal-only mortgage securities. The absence of an "r" symbol
           should not be taken as an indication that an obligation will
           exhibit no volatility or variability in total return.

Description of Fitch IBCA, Inc.'s ("Fitch") Investment Grade Bond Ratings

  Fitch investment grade bond ratings provide a guide to investors in
determining the credit risk associated with a particular security. The rating
represents Fitch's assessment of the issuer's ability to meet the obligations
of a specific debt issue or class of debt in a timely manner.

  The rating takes into consideration special features of the issue, its
relationship to other obligations of the issuer, the current and prospective
financial condition and operating performance of the issuer and any guarantor,
as well as the economic and political environment that might affect the
issuer's future financial strength and credit quality.

  Fitch ratings do not reflect any credit enhancement that may be provided by
insurance policies or financial guarantees unless otherwise indicated.

  Bonds that have the same rating are of similar but not necessarily identical
credit quality since the rating categories do not fully reflect small
differences in the degrees of credit risk.

  Fitch ratings are not recommendations to buy, sell, or hold any security.
Ratings do not comment on the adequacy of market price, the suitability of any
security for a particular investor, or the tax-exempt nature or taxability of
payments made in respect of any security.

  Fitch ratings are based on information obtained from issuers, other obligors,
underwriters, their experts, and other sources Fitch believes to be reliable.
Fitch does not audit or verify the truth or accuracy of such information.
Ratings may be changed, suspended, or withdrawn as a result of changes in, or
the unavailability of, information or for other reasons.

                                      B-4
<PAGE>

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.

  Plus (+) or Minus (-): Plus and minus signs are used with a rating symbol to
indicate the relative position of a credit within the rating category. Plus and
minus signs, however, are not used in the "AAA" category.

NR            Indicates that Fitch does not rate the specific issue.

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

Suspended     A rating is suspended when Fitch deems the amount of information
              available from the issuer to be inadequate for rating purposes.

Withdrawn     A rating will be withdrawn when an issue matures or is called or
              refinanced and, at Fitch's discretion, when an issuer fails to
              furnish proper and timely information.

FitchAlert    Ratings are placed on FitchAlert to notify investors of an
              occurrence that is likely to result in a rating change and the
              likely direction of such change. These are designated as
              "Positive," indicating a potential upgrade, "Negative," for
              potential downgrade, or "Evolving," where ratings may be raised
              or lowered. FitchAlert is relatively short-term, and should be
              resolved within three to 12 months.

Ratings       An outlook is used to describe the most likely direction of any
Outlook       rating change over thentermediate term. It is described as
              "Positive" or "Negative." The absence of a designation indicates
              a stable outlook.

Description of Fitch's Speculative Grade Bond Ratings

  Fitch speculative grade bond ratings provide a guide to investors in
determining the credit risk associated with a particular security. The ratings
("BB" to "C") represent Fitch's assessment of the likelihood of timely payment
of principal and interest in accordance with the terms of obligation for bond
issues not in default. For defaulted bonds, the rating ("DDD" to "D") is an
assessment of the ultimate recovery value through reorganization or
liquidation.

  The rating takes into consideration special features of the issue, its
relationship to other obligations of the issuer, the current and prospective
financial condition and operating performance of the issuer and any guarantor,
as well as the economic and political environment that might affect the
issuer's future financial strength.

  Bonds that have the rating are of similar but not necessarily identical
credit quality since rating categories cannot fully reflect the differences in
degrees of credit risk.

                                      B-5
<PAGE>

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 which 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           Bonds are in default on interest and/or principal payments. Such
              DD bonds are extremely speculative and should be valued on the
              basis D 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 (-): Plus and minus signs are used with a rating symbol to
indicate the relative position of a credit within the rating category. Plus and
minus signs, however, are not used in the "DDD," "DD," or "D" categories.

Description of Fitch's Short-Term Ratings

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

  The short-term rating places greater emphasis than a long-term rating on the
existence of liquidity necessary to meet the issuer's obligations in a timely
manner.

  Fitch short-term ratings are as follows:

  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 assigned this rating have a
           satisfactory degree of assurance for timely payment, but the margin
           of safety is not as great as for issues assigned "F-1+" and "F-1"
           ratings.

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

  F-S      Weak Credit Quality. Issues assigned this rating have
           characteristics suggesting a minimal degree of assurance for timely
           payment and are vulnerable to near-term adverse changes in
           financial and economic conditions.

  D        Default. Issues assigned this rating are in actual or imminent
           payment default.

  LOC      The symbol "LOC" indicates that the rating is based on a letter of
           credit issued by a commercial bank.


                                      B-6
<PAGE>

                                   APPENDIX C

                              PORTFOLIO INSURANCE

  Set forth below is further information with respect to the insurance policies
(the "Policies") that the Fund may obtain from several insurance companies with
respect to insured Michigan Municipal Bonds and Municipal Bonds held by the
Fund. The Fund has no obligation to obtain any such Policies, and the terms of
any Policies actually obtained may vary significantly from the terms discussed
below.

  In determining eligibility for insurance, insurance companies will apply
their own standards. These standards correspond generally to the standards such
companies normally use in establishing the insurability of new issues of
Michigan Municipal Bonds and Municipal Bonds and are not necessarily the
criteria that would be used in regard to the purchase of such bonds by the
Fund. The Policies do not insure (i) municipal securities ineligible for
insurance and (ii) municipal securities no longer owned by the Fund.

  The Policies do not guarantee the market value of the insured Michigan
Municipal Bonds and Municipal Bonds or the value of the shares of the Fund. In
addition, if the provider of an original issuance insurance policy is unable to
meet its obligations under such policy or if the rating assigned to the
insurance claims-paying ability of any such insurer deteriorates, the insurance
company will not have any obligation to insure any issue held by the Fund that
is aversely affected by either of the above described events. In addition to
the payment of premium, the policies may require that the Fund notify the
insurance company as to all Michigan Municipal Bonds and Municipal Bonds in the
Fund's portfolio and permit the insurance company to audit their records. The
insurance premiums will be payable monthly by the Fund in accordance with a
premium schedule to be furnished by the insurance company at the time the
Policies are issued. Premiums are based upon the amounts covered and the
composition of the portfolio.

  The Fund will seek to utilize insurance companies that have insurance claims-
paying ability ratings of AAA from Standard & Poor's ("S&P") or Fitch IBCA,
Inc. ("Fitch") or Aaa from Moody's Investors Service ("Moody's"). There can be
no assurance however, that insurance from insurance carriers meeting these
criteria will be at all times available.

  An S&P insurance claims-paying ability rating is an assessment of an
operating insurance company's financial capacity to meet obligations under an
insurance policy in accordance with the terms. An insurer with an insurance
claims-paying ability rating of AAA has the highest rating assigned by S&P.
Capacity to honor insurance contracts is considered by S&P to be extremely
strong and highly likely to remain so over a long period of time. A Fitch
insurance claims-paying ability rating provides an assessment of an insurance
company's financial strength and, therefore, its ability to pay policy and
contract claims under the terms indicated. An insurer with an insurance claims-
paying ability rating of AAA has the highest rating assigned by Fitch. The
ability to pay claims is adjudged by Fitch to be extremely strong for insurance
companies with this highest rating. In the opinion of Fitch, foreseeable
business and economic risk factors should not have any material adverse impact
on the ability of these insurers to pay claims. In Fitch's opinion,
profitability, overall balance sheet strength, capitalization and liquidity are
all at very secure levels and are unlikely to be affected by potential adverse
underwriting, investment or cyclical events. A Moody's insurance claims-paying
ability rating is an opinion of the ability of an insurance company to repay
punctually senior policyholder obligations and claims. An insurer with an
insurance claims-paying ability rating of Aaa is considered by Moody's to be of
the best quality. In the opinion of Moody's, the policy obligations of an
insurance company with an insurance claims-paying ability rating of Aaa carry
the smallest degree of credit risk and, while the financial strength of these
companies is likely to change, such changes as can be visualized are most
unlikely to impair the company's fundamentally strong position.

  An insurance claims-paying ability rating of S&P, Fitch or Moody's does not
constitute an opinion on any specific contract in that such an opinion can only
be rendered upon the review of the specific insurance contract. Furthermore, an
insurance claims-paying ability rating does not take into account deductibles,

                                      C-1
<PAGE>

surrender or cancellation penalties or the timeliness of payment; nor does it
address the ability of a company to meet nonpolicy obligations (i.e., debt
contracts).

  The assignment of ratings by S&P, Fitch or Moody's to debt issues that are
fully or partially supported by insurance policies, contracts or guarantees is
a separate process from the determination of claims-paying ability ratings. The
likelihood of a timely flow of funds from the insurer to the trustee for the
bondholders is a key element in the rating determination for such debt issues.


                                      C-2
<PAGE>

                                  APPENDIX D

                             SETTLEMENT PROCEDURES

  The following summary of Settlement Procedures sets forth the procedures
expected to be followed in connection with the settlement of each Auction and
will be incorporated by reference in the Auction Agent Agreement and each
Broker-Dealer Agreement. Nothing contained in this Appendix C constitutes a
representation by the Fund that in each Auction each party referred to herein
actually will perform the procedures described herein to be performed by such
party. Capitalized terms used herein shall have the respective meanings
specified in the glossary of this Prospectus or Appendix D hereto, as the case
may be.

  (a) On each Auction Date, the Auction Agent shall notify by telephone or
through the Auction Agent's Processing System the Broker-Dealers that
participated in the Auction held on such Auction Date and submitted an Order
on behalf of any Beneficial Owner or Potential Beneficial Owner of:

    (i) the Applicable Rate fixed for the next succeeding Dividend Period;

    (ii) whether Sufficient Clearing Bids existed for the determination of
  the Applicable Rate;

    (iii) if such Broker-Dealer (a "Seller's Broker-Dealer") submitted a Bid
  or a Sell Order on behalf of a Beneficial Owner, the number of shares, if
  any, of AMPS to be sold by such Beneficial Owner;

    (iv) if such Broker-Dealer (a "Buyer's Broker-Dealer") submitted a Bid on
  behalf of a Potential Beneficial Owner, the number of shares, if any, of
  AMPS to be purchased by such Potential Beneficial Owner;

    (v) if the aggregate number of shares of AMPS to be sold by all
  Beneficial Owners on whose behalf such Broker-Dealer submitted a Bid or a
  Sell Order exceeds the aggregate number of shares of AMPS to be purchased
  by all Potential Beneficial Owners on whose behalf such Broker-Dealer
  submitted a Bid, the name or names of one or more Buyer's Broker-Dealers
  (and the name of the Agent Member, if any, of each such Buyer's Broker-
  Dealer) acting for one or more purchasers of such excess number of shares
  of AMPS and the number of such shares to be purchased from one or more
  Beneficial Owners on whose behalf such Broker-Dealer acted by one or more
  Potential Beneficial Owners on whose behalf each of such Buyer's Broker-
  Dealers acted;

    (vi) if the aggregate number of shares of AMPS to be purchased by all
  Potential Beneficial Owners on whose behalf such Broker-Dealer submitted a
  Bid exceeds the aggregate number of shares of AMPS to be sold by all
  Beneficial Owners on whose behalf such Broker-Dealer submitted a Bid or a
  Sell Order, the name or names of one or more Seller's Broker-Dealers (and
  the name of the Agent Member, if any, of each such Seller's Broker-Dealer)
  acting for one or more sellers of such excess number of shares of AMPS and
  the number of such shares to be sold to one or more Potential Beneficial
  Owners on whose behalf such Broker-Dealer acted by one or more Beneficial
  Owners on whose behalf each of such Seller's Broker-Dealers acted; and

    (vii) the Auction Date of the next succeeding Auction with respect to the
  AMPS.

  (b) On each Auction Date, each Broker-Dealer that submitted an Order on
behalf of any Beneficial Owner or Potential Beneficial Owner shall:

    (i) in the case of a Broker-Dealer that is a Buyer's Broker-Dealer,
  instruct each Potential Beneficial Owner on whose behalf such Broker-Dealer
  submitted a Bid that was accepted, in whole or in part, to instruct such
  Potential Beneficial Owner's Agent Member to pay to such Broker-Dealer (or
  its Agent Member) through the Securities Depository the amount necessary to
  purchase the number of shares of AMPS to be purchased pursuant to such Bid
  against receipt of such shares and advise such Potential Beneficial Owner
  of the Applicable Rate for the next succeeding Dividend Period;

    (ii) in the case of a Broker-Dealer that is a Seller's Broker-Dealer,
  instruct each Beneficial Owner on whose behalf such Broker-Dealer submitted
  a Sell Order that was accepted, in whole or in part, or a Bid that was
  accepted, in whole or in part, to instruct such Beneficial Owner's Agent
  Member to deliver to such Broker-Dealer (or its Agent Member) through the
  Securities Depository the number of shares of AMPS to be sold pursuant to
  such Order against payment therefor and advise any such Beneficial Owner
  that will continue to hold shares of AMPS of the Applicable Rate for the
  next succeeding Dividend Period;

                                      D-1
<PAGE>

    (iii) advise each Beneficial Owner on whose behalf such Broker-Dealer
  submitted a Hold Order of the Applicable Rate for the next succeeding
  Dividend Period;

    (iv) advise each Beneficial Owner on whose behalf such Broker-Dealer
  submitted an Order of the Auction Date for the next succeeding Auction; and

    (v) advise each Potential Beneficial Owner on whose behalf such Broker-
  Dealer submitted a Bid that was accepted, in whole or in part, of the
  Auction Date for the next succeeding Auction.

  (c) On the basis of the information provided to it pursuant to (a) above,
each Broker-Dealer that submitted a Bid or a Sell Order on behalf of a
Potential Beneficial Owner or a Beneficial Owner shall, in such manner and at
such time or times as in its sole discretion it may determine, allocate any
funds received by it pursuant to (b)(i) above and any shares of AMPS received
by it pursuant to (b)(ii) above among the Potential Beneficial Owners, if any,
on whose behalf such Broker-Dealer submitted Bids, the Beneficial Owners, if
any, on whose behalf such Broker-Dealer submitted Bids that were accepted or
Sell Orders, and any Broker-Dealer or Broker-Dealers identified to it by the
Auction Agent pursuant to (a)(v) or (a)(vi) above.

  (d) On each Auction Date:

    (i) each Potential Beneficial Owner and Beneficial Owner shall instruct
  its Agent Member as provided in (b)(i) or (ii) above, as the case may be;

    (ii) each Seller's Broker-Dealer which is not an Agent Member of the
  Securities Depository shall instruct its Agent Member to (A) pay through
  the Securities Depository to the Agent Member of the Beneficial Owner
  delivering shares to such Broker-Dealer pursuant to (b)(ii) above the
  amount necessary to purchase such shares against receipt of such shares,
  and (B) deliver such shares through the Securities Depository to a Buyer's
  Broker-Dealer (or its Agent Member) identified to such Seller's Broker-
  Dealer pursuant to (a)(v) above against payment therefor; and

    (iii) each Buyer's Broker-Dealer which is not an Agent Member of the
  Securities Depository shall instruct its Agent Member to (A) pay through
  the Securities Depository to a Seller's Broker-Dealer (or its Agent Member)
  identified pursuant to (a)(vi) above the amount necessary to purchase the
  shares to be purchased pursuant to (b)(i) above against receipt of such
  shares, and (B) deliver such shares through the Securities Depository to
  the Agent Member of the purchaser thereof against payment therefor.

  (e) On the day after the Auction Date:

    (i) each Bidder's Agent Member referred to in (d)(i) above shall instruct
  the Securities Depository to execute the transactions described in (b)(i)
  or (ii) above, and the Securities Depository shall execute such
  transactions;

    (ii) each Seller's Broker-Dealer or its Agent Member shall instruct the
  Securities Depository to execute the transactions described in (d)(ii)
  above, and the Securities Depository shall execute such transactions; and

    (iii) each Buyer's Broker-Dealer or its Agent Member shall instruct the
  Securities Depository to execute the transactions described in (d)(iii)
  above, and the Securities Depository shall execute such transactions.

    (f) If a Beneficial Owner selling shares of AMPS in an Auction fails to
  deliver such shares (by authorized book-entry), a Broker-Dealer may deliver
  to the Potential Beneficial Owner on behalf of which it submitted a Bid
  that was accepted a number of whole shares of AMPS that is less than the
  number of shares that otherwise was to be purchased by such Potential
  Beneficial Owner. In such event, the number of shares of AMPS to be so
  delivered shall be determined solely by such Broker-Dealer. Delivery of
  such lesser number of shares shall constitute good delivery.
  Notwithstanding the foregoing terms of this paragraph (f), any delivery or
  non-delivery of shares which shall represent 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 provisions of the Auction
  Agent Agreement and the Broker-Dealer Agreements.

                                      D-2
<PAGE>

                                   APPENDIX E

                               AUCTION PROCEDURES

  The following procedures will be set forth in provisions of the Articles
Supplementary relating to the AMPS, and will be incorporated by reference in
the Auction Agent Agreement and each Broker-Dealer Agreement. The terms not
defined below are defined in the forepart of this Prospectus. Nothing contained
in this Appendix E constitutes a representation by the Fund that in each
Auction each party referred to herein actually will perform the procedures
described herein to be performed by such party.

Paragraph 10(a) Certain Definitions.

  As used in this Paragraph 10, the following terms shall have the following
meanings, unless the context otherwise requires:

    (i) "AMPS" shall mean the shares of AMPS being auctioned pursuant to this
  Paragraph 10.

    (ii) "Auction Date" shall mean the first Business Day preceding the first
  day of a Dividend Period.

    (iii) "Available AMPS" shall have the meaning specified in Paragraph
  10(d)(i) below.

    (iv) "Bid" shall have the meaning specified in Paragraph 10(b)(i) below.

    (v) "Bidder" shall have the meaning specified in Paragraph 10(b)(i)
  below.

    (vi) "Hold Order" shall have 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 (i) the lower of the credit rating or ratings
  assigned on such date to such shares by Moody's and S&P (or if Moody's or
  S&P or both shall not make such rating available, the equivalent of either
  or both of such ratings by a Substitute Rating Agency or two Substitute
  Rating Agencies or, in the event that only one such rating shall be
  available, such rating) and (ii) whether the Fund has provided modification
  to the Auction Agent prior to the Auction establishing the Applicable Rate
  for any dividend that net capital gains or other taxable income will be
  included in such dividend on shares of AMPS as follows:

<TABLE>
<CAPTION>
                                              Applicable
                                            Percentage of          Applicable
              Credit Ratings               Reference Rate--      Percentage of
     ----------------------------------           No            Reference Rate--
         Moody's              S&P            Notification         Notification
     ----------------    -------------     ----------------     ----------------
     <S>                 <C>               <C>                  <C>
     "aa3" or higher     AA- or Higher           110%                 150%
       "a3" or "a1"        A- to A+              125%                 160%
     "baa3" to "baa1"    BBB- to BBB+            150%                 250%
       Below "baa3"       Below BBB-             200%                 275%
</TABLE>

  The Fund shall take all reasonable action necessary to enable S&P and Moody's
to provide a rating for the AMPS. If either S&P or Moody's shall not make such
a rating available, or if neither S&P nor Moody's shall make such a rating
available, Merrill Lynch, Pierce, Fenner & Smith Incorporated or its affiliates
and successors, after consultation with the Fund, shall select a nationally
recognized statistical rating organization or two nationally recognized
statistical rating organizations to act as a Substitute Rating Agency or
Substitute Rating Agencies, as the case may be.

    (viii) "Order" shall have the meaning specified in Paragraph 10(b)(i)
  below.

    (ix) "Sell Order" shall have the meaning specified in Paragraph 10(b)(i)
  below.

    (x) "Submission Deadline" shall mean 1:00 p.m., Eastern 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" shall have the meaning specified in Paragraph
  10(d)(i) below.

                                      E-1
<PAGE>

    (xii) "Submitted Hold Order" shall have the meaning specified in
  Paragraph 10(d)(i) below.

    (xiii) "Submitted Order" shall have the meaning specified in Paragraph
  10(d)(i) below.

    (xiv) "Submitted Sell Order" shall have the meaning specified in
  Paragraph 10(d)(i) below.

    (xv) "Sufficient Clearing Bids" shall have the meaning specified in
  Paragraph 10(d)(i) below.

    (xvi) (xvi) "Winning Bid Rate" shall have the meaning specified in
  Paragraph 10(d)(i) below.

Paragraph 10(b) Orders by Beneficial Owners, Potential Beneficial Owners,
Existing Holders and Potential Holders.

  (i) Unless otherwise permitted by the Fund, 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 AMPS 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 AMPS 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 AMPS 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 AMPS 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 AMPS 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, 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.

                                      E-2
<PAGE>

  (ii) (A) A Bid by an Existing Holder shall constitute an irrevocable offer to
sell:

    (1) the number of outstanding shares of AMPS 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

    (2) such number or a lesser number of outstanding shares of AMPS 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

    (3) a lesser number of outstanding shares of AMPS 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 AMPS specified in such Sell
  Order, or

    (2) such number or a lesser number of outstanding shares of AMPS 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 AMPS 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 AMPS 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.

Paragraph 10(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 Fund) 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 Fund);

    (B) the aggregate number of outstanding shares of AMPS 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 AMPS subject to any
    Hold Order placed by such Existing Holder;

      (2) the number of outstanding shares, if any, of AMPS 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 AMPS 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 AMPS
held by an Existing Holder are not submitted to the Auction Agent prior to the
Submission Deadline, the Auction Agent shall deem a Hold

                                      E-3
<PAGE>

Order (in the case of an Auction relating to a Dividend Period which is not a
Special Dividend Period of 28 days or more) and a Sell Order (in the case of an
Auction relating to a Special Dividend Period of 28 days or more) to have been
submitted on behalf of such Existing Holder covering the number of outstanding
shares of AMPS 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 AMPS held by such
Existing Holder are submitted to the Auction Agent, such Orders 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
  AMPS 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 AMPS subject to such Hold Orders exceeds the number of
  outstanding shares of AMPS held by such Existing Holder, the number of
  shares of AMPS subject to each of such Hold Orders shall be reduced pro
  rata so that such Hold Orders, in the aggregate, cover exactly the number
  of outstanding shares of AMPS 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 AMPS
  held by such Existing Holder over the number of shares of AMPS 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 AMPS held by such Existing
  Holder over the number of shares of AMPS 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 AMPS subject to such Sell
  Orders is greater than such excess, the number of shares of AMPS 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 AMPS 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 AMPS therein specified.
  (vi) 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.

Paragraph 10(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 AMPS over the
  number of outstanding shares of AMPS that are the subject of Submitted Hold
  Orders (such excess being hereinafter referred to as the "Available AMPS");

                                      E-4
<PAGE>

    (B) from the Submitted Orders whether the number of outstanding shares of
  AMPS 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 AMPS 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 AMPS that are subject to
    Submitted Sell Orders (if such excess or such equality exists (other
    than because the number of outstanding shares of AMPS in clauses (1)
    and (2) above are each zero because all of the outstanding shares of
    AMPS are the subject of Submitted Hold Orders), such Submitted Bids by
    Potential Holders hereinafter being 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 AMPS 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 AMPS 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 AMPS.

  (ii) Promptly after the Auction Agent has made the determinations pursuant to
Paragraph 10(d)(i), the Auction Agent shall advise the Fund 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 AMPS 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 AMPS are the subject of Submitted
  Hold Orders, that the Dividend Period next succeeding the Auction
  automatically shall 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 Fund has provided notification to the Auction Agent prior to the
  Auction establishing the Applicable Rate for any dividend that net capital
  gains or other taxable income will be included in such dividend on shares
  of AMPS) on the date of the Auction.

Paragraph 10(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 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 AMPS that are the subject of such Submitted Sell
    Order or Submitted Bid;

                                      E-5
<PAGE>

      (B) the Submitted Bid of each of the Existing Holder 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 AMPS 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 AMPS that are the subject of such Submitted Bid,
    unless the number of outstanding shares of AMPS subject to all such
    Submitted Bids shall be greater than the number of outstanding shares
    of AMPS ("Remaining Shares") equal to the excess of the Available AMPS
    over the number of outstanding shares of AMPS 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 AMPS, but only in an amount equal to the
    difference between (1) the number of outstanding shares of AMPS then
    held by such Existing Holder subject to such Submitted Bid and (2) the
    number of shares of AMPS 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 AMPS held by such Existing Holder
    subject to such Submitted Bid and the denominator of which shall be the
    sum of the numbers of outstanding shares of AMPS 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 AMPS
    obtained by multiplying (x) the difference between the Available AMPS
    and the number of outstanding shares of AMPS 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 AMPS subject to such Submitted Bid and
    the denominator of which shall be the sum of the number of outstanding
    shares of AMPS subject to such 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 AMPS 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 AMPS 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 AMPS 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 AMPS then held by such
    Existing Holder subject to such Submitted Bid or Submitted Sell Order
    and (2) the number of shares of AMPS obtained by multiplying (x) the
    difference between the Available AMPS and the aggregate number of
    outstanding shares of AMPS 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 AMPS
    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 AMPS subject to all such Submitted Bids and
    Submitted Sell Orders.

                                      E-6
<PAGE>

    (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 AMPS 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 AMPS to be purchased or sold by any Existing
  Holder or Potential Holder on such Auction Date so that each outstanding
  share of AMPS purchased or sold by each Existing Holder or Potential Holder
  on such Auction Date shall be a whole share of AMPS.

    (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 AMPS on any Auction Date, the Auction Agent, in such manner
  as in its sole discretion it shall determine, shall allocate shares of AMPS
  for purchase among Potential Holders so that only whole shares of AMPS 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 AMPS 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 the outstanding shares of AMPS to be purchased and the aggregate
  number of outstanding shares of AMPS 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 AMPS.

Paragraph 10(f) Miscellaneous.

  The Fund 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 AMPS. A Beneficial Owner or an Existing Holder (A) may
sell, transfer or otherwise dispose of shares of AMPS 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 AMPS 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
Fund nor any Affiliate (other than Merrill Lynch, Pierce, Fenner & Smith
Incorporated) shall submit an Order in any Auction. Any Beneficial Owner that
is an Affiliate (other than Merrill Lynch, Pierce, Fenner & Smith Incorporated)
shall not sell, transfer or otherwise dispose of shares of AMPS to any Person
other than the Fund. All of the outstanding shares of AMPS 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 Fund's
option and upon its receipt of such documents as it deems appropriate, any
shares of AMPS 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 thereof
or upon transfer or exchange thereof.

                                      E-7
<PAGE>

                                     PART C

                               OTHER INFORMATION

Item 24. Financial Statements And Exhibits.

  (1) Financial Statements

    Report of Independent Auditors

    Statement of Assets, Liabilities and Capital as of August 30, 1999

    Schedule of Investments as of September 17, 1999 (unaudited)

    Statement of Assets, Liabilities and Capital as of September 17, 1999
    (unaudited)

  (2) Exhibits:
<TABLE>
     <C>    <S>
     (a)(1) --Articles of Incorporation of the Registrant.(a)
     (2)    --Form of Articles Supplementary creating the Series A AMPS.
     (b)    --By-Laws of the Registrant.(a)
     (c)    --Not applicable.
     (d)(1) --Portions of the Articles of Incorporation, By-Laws and the
             Articles Supplementary of the Registrant defining the rights of
             holders of shares of the Registrant.(b)
     (2)    --Form of specimen certificate for the AMPS of the Registrant.(c)
     (e)    --Form of Automatic Dividend Reinvestment Plan.(c)
     (f)    --Not applicable.
     (g)    --Form of Investment Advisory Agreement between the Registrant and
             Fund Asset Management, L.P.(c)
     (h)(1) --Form of Purchase Agreement for the AMPS.(c)
     (2)    --Merrill Lynch Standard Dealer Agreement.(c)
     (i)    --Not applicable.
     (j)    --Form of Custodian Contract between the Registrant and State
             Street Bank and Trust Company.(d)
     (k)(1) --Form of Transfer Agency, Dividend Disbursing Agency and
             Shareholder Servicing Agency Agreement between the Registrant and
             State Street Bank and Trust Company.(d)
     (2)    --Form of Auction Agent Agreement between the Registrant and IBJ
             Whitehall Bank & Trust Company.(c)
     (3)    --Form of Broker-Dealer Agreement.(c)
     (4)    --Form of Letter of Representations.(c)
     (l)    --Opinion and Consent of Brown & Wood LLP, counsel to the
             Registrant.
     (m)    --Not applicable.
     (n)    --Consent of Ernst & Young LLP, independent auditors for the
             Registrant.
     (o)    --Not applicable.
     (p)    --Certificate of Fund Asset Management, L.P.(d)
     (q)    --Not applicable.
     (r)    --Financial Data Schedule.
</TABLE>
- --------
(a) Reference is made to the Registrant's registration statement on Form N-2,
    File No. 333-83389 (the "Common Stock Registration Statement") filed with
    the Securities and Exchange Commission (the "SEC") on July 21, 1999.
(b) Reference is made to Article V, Article VI (sections 2, 3, 4, 5 and 6),
    Article VII, Article VIII, Article X, Article XI, Article XII and Article
    XIII of the Registrant's Articles of Incorporation, previously filed as
    Exhibit (a)(1) to the Common Stock Registration Statement; and to Article
    II, Article III (sections 1, 2, 3, 5 and 17), Article VI, Article VII,
    Article XII, Article XIII and Article XIV of the Registrant's By-Laws,
    previously filed as Exhibit (b) to the Common Stock Registration Statement.
    Reference is also made to the Form of Articles Supplementary filed hereto
    as Exhibit (a)(4).

(c) Reference is made to the Registrants registration statement on Form N-2,
    File Nos. 333-86723 and 811-09483 filed with the Securities and Exchange
    Commission on September 8, 1999.

(d) Reference is made to Pre-Effective Amendment No. 1 to the Common Stock
    Registration Statement Filed with the Securities and Exchange Commission on
    September 17, 1999.

                                      C-1
<PAGE>

Item 25. Marketing Arrangements.

  See Exhibit (h).

Item 26. Other Expenses Of Issuance And Distribution.

  The following table sets forth the estimated expenses to be incurred in
connection with the offering described in this Registration Statement:

<TABLE>
     <S>                                                                <C>
     Registration fees................................................. $  9,452
     Printing..........................................................   54,000
     Legal fees and expenses...........................................   35,000
     Rating Agency fees................................................   35,000
     Miscellaneous.....................................................    1,548
                                                                        --------
       Total........................................................... $135,000
                                                                        ========
</TABLE>

Item 27. Persons Controlled By or Under Common Control with Registrant.

  The information in the Prospectus under the captions "Investment Advisory and
Management Arrangements" and "Description of Capital Stock--Common Stock" and
in Note 1 to the Statement of Assets, Liabilities and Capital is incorporated
herein by reference.

Item 28. Number of Holders of Securities.

<TABLE>
<CAPTION>
                                                                 Number of
                                                              Record Holders
         Title Of Class                                    at September 17, 1999
         --------------                                    ---------------------
     <S>                                                   <C>
     Common Stock, $.10 par value.........................            2
     Preferred Stock, $.10 par value......................            0
</TABLE>

Item 29. Indemnification.

  Section 2-418 of the General Corporation Law of the State of Maryland,
Article VI of the Registrant's Amended and Restated Articles of Incorporation,
filed as Exhibit (a)(2) to the Common Stock Registration Statement, Article VI
of the Registrant's By-Laws, filed as Exhibit (b) to the Common Stock
Registration Statement, and the Investment Advisory Agreement, filed as Exhibit
(g) to the Common Stock Registration Statement, provide for indemnification.

  Insofar as indemnification for liabilities arising under the Securities Act
of 1933, as amended (the "1933 Act"), may be provided to directors, officers
and controlling persons of the Registrant, pursuant to the foregoing provisions
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 1933 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 connection with any 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 1933 Act and will be governed by the
final adjudication of such issue.

  Reference is made to Section 7 of the Purchase Agreement, a form of which is
filed as Exhibit (h)(1) hereto, for provisions relating to the indemnification
of the underwriter.

                                      C-2
<PAGE>

Item 30. Business and Other Connections of The Investment Adviser.

  Fund Asset Management, L.P. (the "Investment Adviser"), an affiliate of MLAM
acts as investment adviser for the following open-end registered investment
companies: CBA Money Fund, CMA Government Securities Fund, CMA Money Fund, CMA
Multi-State Municipal Series Trust, CMA Tax-Exempt Fund, CMA Treasury Fund, The
Corporate Fund Accumulation Program, Inc., Financial Institutions Series Trust,
Merrill Lynch Basic Value Fund, Inc., Merrill Lynch California Municipal Series
Trust, Merrill Lynch Corporate Bond Fund, Inc., Merrill Lynch Corporate High
Yield Fund, Inc., Merrill Lynch Emerging Tigers Fund, Inc., Merrill Lynch
Federal Securities Trust, Merrill Lynch Funds for Institutions Series, Merrill
Lynch Multi-State Limited Maturity Municipal Series Trust, Merrill Lynch Multi-
State Municipal Series Trust, Merrill Lynch Municipal Bond Fund, Inc., Merrill
Lynch Phoenix Fund, Inc., Merrill Lynch Special Value Fund, Inc., Merrill Lynch
World Income Fund, Inc., and The Municipal Fund Accumulation Program, Inc., and
for the following closed-end registered investment companies: Apex Municipal
Fund, Inc., Corporate High Yield Fund, Inc., Corporate High Yield Fund II,
Inc., Corporate High Yield Fund III, Inc., Debt Strategies Fund, Inc., Debt
Strategies Fund II, Inc., Debt Strategies Fund III, Inc., Income Opportunities
Fund 1999, Inc., Income Opportunities Fund 2000, Inc., Merrill Lynch Municipal
Strategy Fund, Inc., MuniAssets Fund, Inc., MuniEnhanced Fund, Inc.,
MuniHoldings Fund, Inc., MuniHoldings Fund II, Inc., MuniHoldings California
Insured Fund, Inc., MuniHoldings California Insured Fund II, Inc., MuniHoldings
California Insured Fund III, Inc., MuniHoldings California Insured Fund IV,
Inc., MuniHoldings California Insured Fund V, Inc., MuniHoldings Florida
Insured Fund, MuniHoldings Florida Insured Fund II, MuniHoldings Florida
Insured Fund III, MuniHoldings Florida Insured Fund IV, MuniHoldings Florida
Insured Fund V, MuniHoldings New Jersey Insured Fund II, Inc., MuniHoldings New
Jersey Insured Fund III, Inc., MuniHoldings New Jersey Insured Fund IV, Inc.,
MuniHoldings Insured Fund, Inc., MuniHoldings Insured Fund II, Inc.,
MuniHoldings Insured Fund III, Inc., MuniHoldings Michigan Insured Fund, Inc.,
MuniHoldings New Jersey Insured Fund, Inc., MuniHoldings New York Fund, Inc.,
MuniHoldings New York Insured Fund, Inc., MuniHoldings New York Insured Fund
II, Inc., MuniHoldings New York Insured Fund III, Inc., MuniHoldings New York
Insured Fund IV, Inc., MuniHoldings Pennsylvania Insured Fund, MuniInsured
Fund, Inc., MuniVest Florida Fund, MuniVest Fund, Inc., MuniVest Fund II, Inc.,
MuniVest Michigan Insured Fund, Inc., MuniVest New Jersey Fund, Inc., MuniVest
Pennsylvania Insured Fund, MuniYield Arizona Fund, Inc., MuniYield California
Fund, Inc., MuniYield California Insured Fund, Inc., MuniYield California
Insured Fund II, Inc., MuniYield Florida Fund, MuniYield Florida Insured Fund,
MuniYield Fund, Inc., MuniYield Insured Fund, Inc., MuniYield Michigan Fund,
Inc., MuniYield Michigan Insured Fund, Inc., MuniYield New Jersey Fund, Inc.,
MuniYield New Jersey Insured Fund, Inc., MuniYield New York Insured Fund, Inc.,
MuniYield New York Insured Fund II, Inc., MuniYield Pennsylvania Fund,
MuniYield Quality Fund, Inc., MuniYield Quality Fund II, Inc., Senior High
Income Portfolio, Inc., and Worldwide DollarVest Fund, Inc.

  Merrill Lynch Asset Management, L.P. ("MLAM"), an affiliate of the Investment
Adviser, acts as the investment adviser for the following open-end registered
investment companies: Merrill Lynch Adjustable Rate Securities Fund, Inc.,
Merrill Lynch Americas Income Fund, Inc., Merrill Lynch Asset Builder Program,
Inc., Merrill Lynch Asset Growth Fund, Inc., Merrill Lynch Asset Income Fund,
Inc., Merrill Lynch Capital Fund, Inc., Merrill Lynch Convertible Fund, Inc.,
Merrill Lynch Developing Capital Markets Fund, Inc., Merrill Lynch Disciplined
Equity Fund, Inc., Merrill Lynch Dragon Fund, Inc., Merrill Lynch EuroFund,
Merrill Lynch Fundamental Growth Fund, Inc., Merrill Lynch Global Bond Fund for
Investment and Retirement, Merrill Lynch Global Allocation Fund, Inc., Merrill
Lynch Global Growth Fund, Inc., Merrill Lynch Global Holdings, Merrill Lynch
Global Resources Trust, Merrill Lynch Global SmallCap Fund, Inc., Merrill Lynch
Global Technology Fund, Inc., Merrill Lynch Global Utility Fund, Inc., Merrill
Lynch Global Value Fund, Inc., Merrill Lynch Growth Fund, Merrill Lynch
Healthcare Fund, Inc., Merrill Lynch Intermediate Government Bond Fund, Merrill
Lynch International Equity Fund, Merrill Lynch Latin America Fund, Inc.,
Merrill Lynch Middle East/Africa Fund, Inc., Merrill Lynch Municipal Series
Trust, Merrill Lynch Pacific Fund, Inc., Merrill Lynch Ready Assets Trust,
Merrill Lynch Real Estate Fund, Inc., Merrill Lynch Retirement Series Trust,
Merrill Lynch Series Fund, Inc., Merrill Lynch Short-Term Global Income Fund,
Inc., Merrill Lynch Strategic Dividend Fund, Merrill Lynch Technology Fund,
Inc., Merrill Lynch U.S. Treasury Money Fund, Merrill Lynch U.S.A. Government
Reserves, Merrill Lynch Utility Income Fund, Inc., Merrill Lynch Variable
Series

                                      C-3
<PAGE>

Funds, Inc. and Hotchkis and Wiley Funds (advised by Hotchkis and Wiley, a
division of MLAM); and for the following closed-end registered investment
companies: Merrill Lynch High Income Municipal Bond Fund, Inc., Merrill Lynch
Senior Floating Rate Fund, Inc. and Merrill Lynch Senior Floating Rate Fund II,
Inc. MLAM also acts as sub-adviser to Merrill Lynch World Strategy Portfolio
and Merrill Lynch Basic Equity Portfolio, two investment portfolios of EQ
Advisors Trust.

  The address of each of these registered investment companies is P.O. Box
9011, Princeton, New Jersey 08543-9011, except that the address of Merrill
Lynch Funds for Institutions Series and Merrill Lynch Intermediate Government
Bond Fund is One Financial Center, 23rd Floor, Boston, Massachusetts 02111-
2665. The address of the Investment Adviser, MLAM, Princeton Services, Inc.
("Princeton Services") and Princeton Administrators, L.P. is also P.O. Box
9011, Princeton, New Jersey 08543-9011. The address of Princeton Funds
Distributor, Inc. ("PFD") and of Merrill Lynch Funds Distributor ("MLFD") is
P.O. Box 9081, Princeton, New Jersey 08543-9081. The address of Merrill Lynch,
Pierce, Fenner & Smith Incorporated ("Merrill Lynch") and Merrill Lynch & Co.,
Inc. ("ML & Co.") is World Financial Center, North Tower, 250 Vesey Street, New
York, New York 10281-1201.

  Set forth below is a list of each executive officer and partner of the
Investment Adviser indicating each business, profession, vocation or employment
of a substantial nature in which each such person or entity has been engaged
for the past two years for his or her or its own account or in the capacity of
director, officer, employee, partner or trustee. In addition, Mr. Glenn is
President and Mr. Burke is Treasurer of all or substantially all of the
investment companies described in the first two paragraphs of this Item 30 and
also hold the same positions with all or substantially all of the investment
companies advised by MLAM as they do with those advised by the Investment
Adviser. Messrs. Giordano, Kirstein and Monagle are officers of one or more of
such companies.

<TABLE>
<CAPTION>
                          Position with            Other Substantial Business Profession,
       Name            Investment Adviser                  Vocation of Employment
       ----            ------------------          --------------------------------------
 <C>               <C>                         <S>
 ML & Co. .......  Limited Partner             Financial Services Holding Company; Limited
                                               Partner of FAM
 Princeton         General Partner             General Partner of MLAM
  Services.......
 Jeffrey M.        President                   President of MLAM; President and Director of
  Peek...........                              Princeton Services; Executive Vice President
                                               of ML&Co.; Managing Director and Co-Head of
                                               the Investment Banking Division of Merrill
                                               Lynch in 1997.
 Terry K. Glenn..  Executive Vice President    Executive Vice President of MLAM; President
                                               and Director of Princeton Services; President
                                               and Director of PFD; Director of FDS;
                                               President of Princeton Administrations, L.P.
 Gregory A.        Chief Operating Officer and Chief Operating Officer and Managing Director
  Bundy..........   Managing Director          of FAM; Chief Operating Officer and Managing
                                               Director of Princeton Services; G-CEO of
                                               Merrill Lynch Australia from 1997 to 1999
 Donald C.         Senior Vice President       Senior Vice President, Treasurer and Director
  Burke..........   and Treasurer              of Taxation of MLAM; Senior Vice President and
                                               Treasurer of Princeton Services; Vice
                                               President of PFD; First Vice President of MLAM
                                               from 1997 to 1999; Vice President of MLAM from
                                               1990 to 1997
 Michael G.        Senior Vice President       Senior Vice President of MLAM; Senior Vice
  Clark..........                              President of Princeton Services; Treasurer and
                                               Director of PFD; First Vice President of MLAM
                                               from 1997 to 1999; Vice President of MLAM from
                                               1996 to 1997
 Roberto C.        Senior Vice President       Senior Vice President of FAM Senior Vice
  Doll...........                              President of Princeton Services; Chief
                                               Investment Officer of Oppenheimer Funds, Inc.
                                               in 1999 and Executive Vice President thereof
                                               from 1991 to 1999
 Linda L.          Senior Vice President       Senior Vice President of MLAM; Senior Vice
  Federici.......                              President of Princeton Services
 Vincent R.        Senior Vice President       Senior Vice President of MLAM; Senior Vice
  Giordano.......                              President of Princeton Services
 Michael J.
  Hennewinkel....  Senior Vice President,      Senior Vice President, General Counsel and
                    General Counsel            Secretary of MLAM; Senior Vice President of
                    and Secretary              Princeton Services
</TABLE>


                                      C-4
<PAGE>

<TABLE>
<CAPTION>
                       Position with            Other Substantial Business Profession,
       Name         Investment Adviser                  Vocation of Employment
       ----         ------------------          --------------------------------------
 <C>               <C>                   <S>
 Philip L.         Senior Vice President Senior Vice President of MLAM; Senior Vice
  Kirstein.......                        President, General Counsel, Director and Secretary
                                         of Princeton Services
 Ronald M.         Senior Vice President Senior Vice President of MLAM; Senior Vice President
  Kloss..........                        of Princeton Services
 Debra W.
  Landsman-        Senior Vice President Senior Vice President of MLAM; Senior Vice President
  Yaros..........                        of Princeton Services; Vice President of PFD
 Stephen M. M.     Senior Vice President Executive Vice President of Princeton
  Miller.........                        Administrators, L.P.; Senior Vice President of
                                         Princeton Services
 Joseph T.         Senior Vice President Senior Vice President of MLAM; Senior Vice President
  Monagle, Jr. ..                        of Princeton Services
 Brian A.          Senior Vice President Senior Vice President of MLAM; Senior Vice President
  Murdock........                        of Princeton Services
 Michael L.        Senior Vice President Managing Director and First Vice President of
  Quinn..........                        Merrill Lynch from 1989 to 1995
 Gregory D.        Senior Vice President Senior Vice President of MLAM; Senior Vice President
  Upah...........                        of Princeton Services
 Ronald L.         Senior Vice President Senior Vice President of MLAM; Senior Vice President
  Welburn........                        of Princeton Services
</TABLE>

Item 31. Location Of Account And Records.

  All accounts, books and other documents required to be maintained by Section
31(a) of the Investment Company Act of 1940, as amended, and the Rules
promulgated thereunder are maintained at the offices of the Registrant (800
Scudders Mill Road, Plainsboro, New Jersey 08536), its investment adviser (800
Scudders Mill Road, Plainsboro, New Jersey 08536), and its custodian and
transfer agent.

Item 32. Management Services.

  Not applicable.

Item 33. Undertakings.

  Registrant undertakes:

    (1) For the purpose of determining any liability under the Securities Act
  of 1933, the information omitted from the form of prospectus filed as a
  part of a registration statement in reliance upon Rule 430A under the
  Securities Act of 1933 and contained in the form of prospectus filed by the
  Registrant pursuant to Rule 497(h) under the Securities Act of 1933 shall
  be deemed to be part of the registration statement as of the time it was
  declared effective.

    (2) For the purpose of determining any liability under the Securities Act
  of 1933, 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.

                                      C-5
<PAGE>

                                   SIGNATURES

  Pursuant to the requirements of the Securities Act of 1933 and the Investment
Company Act of 1940, the Registrant has duly caused this Registration Statement
to be signed on its behalf by the undersigned, thereunto duly authorized, in
the Township of Plainsboro, and State of New Jersey, on the 21st day of
September, 1999.

                                          MuniHoldings Michigan Insured Fund
                                           II, Inc.
                                               (Registrant)

                                                    /s/ Terry K. Glenn
                                          By
                                            -----------------------------------
                                                (Terry K. Glenn, President)

  Each person whose signature appears below hereby authorizes Terry K. Glenn,
Donald C. Burke or Alice A. Pellegrino, or any of them, as attorney-in-fact, to
sign on his or her behalf, individually and in each capacity stated below, any
amendment to this Registration Statement (including post-effective amendments)
and to file the same, with all exhibits thereto, with the Securities and
Exchange Commission.

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

             Signatures                         Title                Date

         /s/ Terry K. Glenn             President and
- -------------------------------------    Director               September 21,
          (Terry K. Glenn)               (Principal Executive     1999
                                         Officer)

         /s/ Donald C. Burke            Vice President and
                                         Treasurer (Principal Financial
                                         and Accounting
                                         Officer)

- -------------------------------------                           September 21,
          (Donald C. Burke)                                       1999

          /s/ Donald Cecil                    Director
- -------------------------------------                           September 21,
           (Donald Cecil)                                         1999

         /s/ M. Colyer Crum                   Director
- -------------------------------------                           September 21,
          (M. Colyer Crum)                                        1999

         /s/ Edward H. Meyer                  Director
- -------------------------------------                           September 21,
          (Edward H. Meyer)                                       1999

       /s/ Jack B. Sunderland                 Director
- -------------------------------------                           September 21,
        (Jack B. Sunderland)                                      1999

       /s/ J. Thomas Touchton                 Director
- -------------------------------------                           September 21,
        (J. Thomas Touchton)                                      1999

          /s/ Fred G. Weiss                   Director
- -------------------------------------                           September 21,
           (Fred G. Weiss)                                        1999

          /s/ Arthur Zeikel                   Director
- -------------------------------------                           September 21,
           (Arthur Zeikel)                                        1999

                                      C-6
<PAGE>

                                 EXHIBIT INDEX

<TABLE>
<CAPTION>
 Exhibits                              Description
 --------                              -----------
 <C>      <S>
  (a)(2)  Form of Articles Supplementary creating Series A AMPS
  (l)     Opinion and Consent of Brown & Wood LLP
  (n)     Consent of Ernst & Young LLP, independent auditors for the Registrant
  (r)     Financial Data Schedule
</TABLE>


<PAGE>

                                                                  EXHIBIT (A)(2)

                  MUNIHOLDINGS MICHIGAN INSURED FUND II, INC.

                 Articles Supplementary creating one series of

                 Auction Market Preferred Stock(R) ("AMPS(R)")

     MUNIHOLDINGS MICHIGAN INSURED FUND II, INC., a Maryland corporation having
its principal Maryland office in the City of Baltimore (the "Corporation"),
certifies to the State Department of Assessments and Taxation of Maryland that:

     FIRST:  Pursuant to authority expressly vested in the Board of Directors of
the Corporation by article fifth of its Charter, the Board of Directors has
reclassified 1,360 authorized and unissued shares of common stock of the
Corporation as preferred stock of the Corporation and has authorized the
issuance of one series of preferred stock, par value $.10 per share, liquidation
preference $25,000 per share plus an amount equal to accumulated but unpaid
dividends (whether or not earned or declared) thereon, to be designated  Auction
Market Preferred Stock, Series A.

     SECOND:  The preferences, voting powers, restrictions, limitations as to
dividends, qualifications, and terms and conditions of redemption, of the shares
of each such series of preferred stock are as follows:



_____________________

(R)  Registered trademark of Merrill Lynch & Co., Inc.
<PAGE>

                                  DESIGNATION

     A series of 1,360 shares of preferred stock, par value $.10 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 Market Preferred Stock, Series A."  Each share of Auction
Market Preferred Stock, Series A (sometimes referred to herein as "AMPS") shall
be issued on a date to be determined by the Board of Directors of the
Corporation 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 Directors of the Corporation 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 Articles Supplementary.  The Auction Market
Preferred Stock, Series A shall constitute a separate series of preferred stock
of the Corporation, and each share of Auction Market Preferred Stock, Series A
shall be identical.

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

          "`AA' 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 S&P or "Aa" by Moody's
or the equivalent of such rating by another nationally recognized 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

                                       2
<PAGE>

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 Merrill Lynch, Pierce, Fenner & Smith
Incorporated or its 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" Composite Commercial Paper Rate, the "AA" 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 Corporation 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.

                                       3
<PAGE>

     "Accountant's Confirmation" has the meaning set forth in paragraph 7(c) of
these Articles Supplementary.

     "Additional Dividend" has the meaning set forth in paragraph 2(e) of these
Articles Supplementary.

     "Adviser" means the Corporation's investment adviser which initially shall
be Fund Asset Management, L.P.

     "Affiliate" means any Person, other than Merrill Lynch, Pierce, Fenner &
Smith Incorporated or its successors, known to the Auction Agent to be
controlled by, in control of, or under common control with, the Corporation.

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

     "AMPS" means the Auction Market Preferred Stock, Series A.

     "AMPS Basic Maintenance Amount," as of any Valuation Date, means the dollar
amount equal to (i) the sum of (A) the product of the number of shares of AMPS
and Other AMPS Outstanding on such Valuation Date multiplied by the sum of (a)
$25,000 and (b) any applicable redemption premium attributable to the
designation of a Premium Call Period; (B) the aggregate amount of cash dividends
(whether or not earned or declared) that will have accumulated for each share of
AMPS and Other AMPS Outstanding, in each case, to (but not including) the end of
the current Dividend Period that follows such Valuation Date in the event the
then current Dividend Period will end within 49 calendar days of such Valuation
Date or

                                       4
<PAGE>

through the 49th day after such Valuation Date in the event the then current
Dividend Period will not end within 49 calendar days of such Valuation Date; (C)
in the event the then current Dividend Period will end within 49 calendar days
of such Valuation Date, the aggregate amount of cash dividends that would
accumulate at the Maximum Applicable Rate applicable to a Dividend Period of 28
or fewer days on any shares of AMPS and Other AMPS Outstanding from the end of
such Dividend Period through the 49th day after such Valuation Date, multiplied
by the larger of the Moody's Volatility Factor and the S&P Volatility Factor,
determined from time to time by Moody's and S&P, respectively (except that if
such Valuation Date occurs during a Non-Payment Period, the cash dividend for
purposes of calculation would accumulate at the then current Non-Payment Period
Rate); (D) the amount of anticipated expenses of the Corporation for the 90 days
subsequent to such Valuation Date (including any premiums payable with respect
to a Policy); (E) the amount of the Corporation's Maximum Potential Additional
Dividend Liability as of such Valuation Date; and (F) any current liabilities as
of such Valuation Date to the extent not reflected in any of (i)(A) through
(i)(E) (including, without limitation, and immediately upon determination, any
amounts due and payable by the Corporation pursuant to repurchase agreements and
any amounts payable for Michigan Municipal Bonds or Municipal Bonds purchased as
of such Valuation Date) less (ii) either (A) the Discounted Value of any of the
Corporation's assets, or (B) the face value of any of the Corporation's assets
if such assets mature prior to or on the date of redemption of AMPS or payment
of a liability and are either securities issued or guaranteed by the United
States Government or Deposit Securities, in both cases irrevocably deposited by
the Corporation for the payment of the amount needed to redeem shares of AMPS
subject to redemption or to satisfy any of (i)(B) through (i)(F). For Moody's
and S&P, the Corporation shall include as a liability an amount calculated semi-
annually equal to

                                       5
<PAGE>

150% of the estimated cost of obtaining other insurance guaranteeing the timely
payment of interest on a Moody's Eligible Asset or S&P Eligible Asset and
principal thereof to maturity with respect to Moody's Eligible Assets and S&P
Eligible Assets that (i) are covered by a Policy which provides the Corporation
with the option to obtain such other insurance and (ii) are discounted by a
Moody's Discount Factor or a S&P Discount Factor, as the case may be, determined
by reference to the insurance claims-paying ability rating of the issuer of such
Policy.

     "AMPS Basic Maintenance Cure Date," with respect to the failure by the
Corporation to satisfy the AMPS Basic Maintenance Amount (as required by
paragraph 7(a) of these Articles Supplementary) as of a given Valuation Date,
means the sixth Business Day following such Valuation Date.

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

     "Anticipation Notes" shall mean the following Michigan Municipal Bonds:
revenue anticipation notes, tax anticipation notes, tax and revenue anticipation
notes, grant anticipation notes and bond anticipation notes.

     "Applicable Percentage" has the meaning set forth in paragraph 10(a)(vii)
of these Articles Supplementary.

                                       6
<PAGE>

     "Applicable Rate" means the rate per annum at which cash dividends are
payable on the AMPS or Other AMPS, as the case may be, for any Dividend Period.

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

     "Auction Agent" means IBJ Whitehall Bank & Trust Company unless and until
another commercial bank, trust company or other financial institution appointed
by a resolution of the Board of Directors of the Corporation or a duly
authorized committee thereof enters into an agreement with the Corporation 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 AMPS and Other AMPS.

     "Auction Procedures" means the procedures for conducting Auctions set forth
in paragraph 10 of these Articles Supplementary.

     "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 AMPS or a Broker-Dealer that holds AMPS 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 these
Articles Supplementary, that has been selected by the Corporation and has
entered into a Broker-Dealer Agreement with the Auction Agent that remains
effective.

                                       7
<PAGE>

     "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 these Articles Supplementary.

     "Business Day" means a day on which the New York Stock Exchange, Inc. 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.

     "Charter" means the Articles of Incorporation, as amended and supplemented
(including these Articles Supplementary), of the Corporation on file in the
State Department of Assessments and Taxation of Maryland.

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

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

     "Common Stock" means the common stock, par value $.10 per share, of the
Corporation.

     "Corporation" means MuniHoldings Michigan Insured Fund II, Inc., a Maryland
corporation.

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

                                       8
<PAGE>

     "Deposit Securities" means cash and Michigan Municipal Bonds and Municipal
Bonds 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), A-1+ or SP-1+ by S&P.

     "Discounted Value" means (i) with respect to an S&P Eligible Asset, the
quotient of the Market Value thereof divided by the applicable S&P Discount
Factor and (ii) with respect to a Moody's Eligible Asset, the lower of par and
the quotient of the Market Value thereof divided by the applicable Moody's
Discount Factor.

     "Dividend Payment Date," with respect to AMPS, has the meaning set forth in
paragraph 2(b)(i) of these Articles Supplementary and, with respect to Other
AMPS, has the equivalent meaning.

     "Dividend Period" means the Initial Dividend Period, any 7-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 Corporation that is listed as the holder of record of shares of
AMPS in the Stock Books.

     "Fitch"  means Fitch IBCA, Inc. or its successors.

     "Forward Commitment" has the meaning set forth in paragraph 8(c) of these
Articles Supplementary.

     "Holder" means a Person identified as a holder of record of shares of AMPS
in the Stock Register.

                                       9
<PAGE>

     "Independent Accountant" means a nationally recognized accountant, or firm
of accountants, that is, with respect to the Corporation, an independent public
accountant or firm of independent public accountants under the Securities Act of
1933, as amended.

     "Initial Dividend Payment Date" means the Initial Dividend Payment Date as
determined by the Board of Directors of the Corporation with respect to the AMPS
or Other AMPS, as the case may be.

     "Initial Dividend Period," with respect to the AMPS, has the meaning set
forth in paragraph 2(c)(i) of these Articles Supplementary and, with respect to
Other AMPS, has the equivalent meaning.

     "Initial Dividend Rate," with respect to the AMPS, means the rate per annum
applicable to the Initial Dividend Period for the AMPS and, with respect to
Other AMPS, 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.

     "Inverse Floaters" means trust certificates or other instruments evidencing
interests in one or more Michigan Municipal Bonds that qualify as S&P Eligible
Assets (and are not part of a private placement of Michigan Municipal Bonds and
satisfy the issuer and original issue size or ratings requirements of clause
(vi) of the definition of S&P Eligible Assets) the interest rates on

                                       10
<PAGE>

which are adjusted at short term intervals on a basis that is inverse to the
simultaneous readjustment of the interest rates on corresponding floating rate
trust certificates or other instruments issued by the same issuer, provided that
the ratio of the aggregate dollar amount of floating rate instruments to inverse
floating rate instruments issued by the same issuer does not exceed one to one
at their time of original issuance unless the floating rate instruments have
only one reset remaining until maturity.

     "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.

     "Mandatory Redemption Price" means $25,000 per share of AMPS 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.

     "Marginal Tax Rate" means the maximum marginal regular Federal individual
income tax rate applicable to ordinary income or the maximum marginal regular
Federal corporate income tax rate, whichever is greater.

     "Market Value" of any asset of the Corporation shall be the market value
thereof determined by the Pricing Service.  Market Value of any asset shall
include any interest accrued thereon.  The Pricing Service 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 using methods which include
consideration of: yields or prices of municipal bonds of comparable quality,
type of issue, coupon, maturity and rating;

                                       11
<PAGE>

indications as to value from dealers; and general market conditions. The Pricing
Service may employ electronic data processing techniques and/or a matrix system
to determine valuations. 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 Corporation 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 Directors.

     "Maximum Applicable Rate," with respect to AMPS, has the meaning set forth
in paragraph 10(a)(vii) of these Articles Supplementary and, with respect to
Other AMPS, has the equivalent meaning.

     "Maximum Potential Additional Dividend Liability," as of any Valuation
Date, means the aggregate amount of Additional Dividends that would be due if
the Corporation were to make Retroactive Taxable Allocations, with respect to
any fiscal year, estimated based upon dividends paid and the amount of
undistributed realized net capital gains and other taxable income earned by the
Corporation, as of the end of the calendar month immediately preceding such
Valuation Date and assuming such Additional Dividends are fully taxable.

     "Michigan Municipal Bonds" means Municipal Bonds issued by or on behalf of
the State of Michigan, its political subdivisions, agencies and
instrumentalities and by other qualifying

                                       12
<PAGE>

issuers that pay interest which, in the opinion of bond counsel to the issuer,
is exempt from Federal and Michigan income taxes, and includes Inverse Floaters.

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

     "Moody's Discount Factor" means, for purposes of determining the Discounted
Value of any Michigan Municipal Bond or Municipal Bond which constitutes a
Moody's Eligible Asset, the percentage determined by reference to (a)(i) the
rating by Moody's or S&P on such Bond or (ii) in the event the Moody's Eligible
Asset is insured under a Policy and the terms of the Policy permit the
Corporation, at its option, to obtain other insurance guaranteeing the timely
payment of interest on such Moody's Eligible Asset and principal thereof to
maturity, the Moody's insurance claims-paying ability rating of the issuer of
the Policy or (iii) in the event the Moody's Eligible Asset is insured under an
insurance policy which guarantees the timely payment of interest on such Moody's
Eligible Asset and principal thereof to maturity, the Moody's insurance claims-
paying ability rating of the issuer of the insurance policy (provided that for
purposes of clauses (ii) and (iii) if the insurance claims-paying ability of an
issuer of a Policy or insurance policy is not rated by Moody's but is rated by
S&P, such issuer shall be deemed to have a Moody's insurance claims-paying
ability rating which is two full categories lower than the S&P insurance claims-
paying ability rating) and (b) the Moody's Exposure Period, in accordance with
the table set forth below:

<TABLE>
<CAPTION>
                                                     Rating Category
                                                    -----------------
Moody's Exposure Period          Aaa*   Aa*   A*    Baa*    Other**      VMIG-1***   SP-1+***
- -----------------------          ----   ---   --    ----    ---------    ---------   --------
<S>                              <C>    <C>   <C>   <C>     <C>          <C>         <C>
7 weeks or less................   151%  159%  168%  202%      229%         136%        148%
8 weeks or less but
greater than seven weeks.......   154   164   173   205       235          137         149
9 weeks or less but
greater than eight weeks.......   158   169   179   209       242          138         150
</TABLE>

                                      13
<PAGE>

- ---------------
*    Moody's rating.
**   Michigan Municipal Bonds and Municipal Bonds not rated by Moody's but rated
     BBB or BBB+ by S&P.
***  Michigan Municipal Bonds and Municipal Bonds rated MIG-1, VMIG-1 or P-1
or, if not rated by Moody's, rated SP-1+ or A-1+ by S&P which do not mature or
have a demand feature at par exercisable within the Moody's Exposure Period and
which do not have a long-term rating. For the purposes of the definition of
Moody's Eligible Assets, these securities will have an assumed rating of "A" by
Moody's.

; provided, however, in the event a Moody's Discount Factor applicable to a
Moody's Eligible Asset is determined by reference to an insurance claims-paying
ability rating in accordance with clause (a)(ii) or (a)(iii), such Moody's
Discount Factor shall be increased by an amount equal to 50% of the difference
between (a) the percentage set forth in the foregoing table under the applicable
rating category and (b) the percentage set forth in the foregoing table under
the rating category which is one category lower than the applicable rating
category.

     Notwithstanding the foregoing, (i) a 102% Moody's Discount Factor will be
applied to short-term Michigan Municipal Bonds and short-term Municipal Bonds,
so long as such Michigan Municipal Bonds and Municipal Bonds are rated at least
MIG-1, VMIG-1 or P-1 by Moody's and mature or have a demand feature at par
exercisable within the Moody's Exposure Period, and the Moody's Discount Factor
for such Bonds will be 125% if such Bonds are not rated by Moody's but are rated
A-1+ or SP-1+ or AA by S&P and mature or have a demand feature at par
exercisable within the Moody's Exposure Period, and (ii) no Moody's Discount
Factor will be applied to cash or to Receivables for Michigan Municipal Bonds or
Municipal Bonds Sold.  "Receivables for Michigan Municipal Bonds or Municipal
Bonds Sold," for purposes of calculating Moody's Eligible Assets as of any
Valuation Date, means no more than the aggregate of the following:  (i) the book
value of receivables for Michigan Municipal Bonds or Municipal Bonds sold as of
or prior to such Valuation Date if such receivables are due within five Business
Days of such Valuation Date, and if the trades which generated such receivables

                                       14
<PAGE>

are (x) settled through clearing house firms with respect to which the
Corporation has received prior written authorization from Moody's or (y) with
counterparties having a Moody's long-term debt rating of at least Baa3; and (ii)
the Moody's Discounted Value of Michigan Municipal Bonds or Municipal Bonds sold
as of or prior to such Valuation Date which generated receivables, if such
receivables are due within five Business Days of such Valuation Date but do not
comply with either of conditions (x) or (y) of the preceding clause (i).

     "Moody's Eligible Asset" means cash, Receivables for Michigan Municipal
Bonds or Municipal Bonds Sold, a Michigan Municipal Bond or a Municipal Bond
that (i) pays interest in cash, (ii) is publicly rated Baa or higher by Moody's
or, if not rated by Moody's but rated by S&P, is rated at least BBB by S&P
(provided that, for purposes of determining the Moody's Discount Factor
applicable to any such S&P-rated Michigan Municipal Bond or S&P-rated Municipal
Bond, such Michigan Municipal Bond or Municipal Bond (excluding any short-term
Michigan Municipal Bond or Municipal Bond) will be deemed to have a Moody's
rating which is one full rating category lower than its S&P rating), (iii) does
not have its Moody's rating suspended by Moody's; and (iv) is part of an issue
of Michigan Municipal Bonds or Municipal Bonds of at least $10,000,000.  In
addition, Michigan Municipal Bonds and Municipal Bonds in the Corporation's
portfolio must be within the following diversification requirements in order to
be included within Moody's Eligible Assets:
<TABLE>
<CAPTION>
                   Minimum          Maximum             Maximum                    Maximum                 Maximum
                  Issue Size      Underlying           Issue Type                  County             State or Territory
Rating           ($ Millions)   Obligor (%)(1)   Concentration(%)(1)(3)    Concentration(%)(1)(4)    Concentration (1)(5)
- ------           ------------   --------------   ----------------------    ----------------------    --------------------
<S>               <C>            <C>                 <C>                       <C>                       <C>
Aaa........           10             100                 100                        100                      100
Aa.........           10              20                  60                         60                       60
A..........           10              10                  40                         40                       40
Baa........           10               6                  20                         20                       20
Other(2)...           10               4                  12                         12                       12
</TABLE>

                                       15
<PAGE>

- -----------------
(1)  The referenced percentages represent maximum cumulative totals for the
     related rating category and each lower rating category.
(2)  Michigan Municipal Bonds and Municipal Bonds not rated by Moody's but rated
     BBB or BBB+ by S&P.
(3)  Does not apply to general obligation bonds.
(4)  Applicable to general obligation bonds only.
(5)  Does not apply to Michigan Municipal Bonds.  Territorial bonds (other than
     those issued by Puerto Rico and counted collectively) are each limited to
     10% of Moody's Eligible Assets. For diversification purposes, Puerto Rico
     will be treated as a state.

                                       16
<PAGE>

For purposes of the maximum underlying obligor requirement described above, any
Michigan Municipal Bond or Municipal Bond backed by the guaranty, letter of
credit or insurance issued by a third party will be deemed to be issued by such
third party if the issuance of such third party credit is the sole determinant
of the rating on such Bond.  For purposes of the issue type concentration
requirement described above, Michigan Municipal Bonds and Municipal Bonds will
be classified within one of the following categories:  health care issues
(teaching and non-teaching hospitals, public and private), housing issues
(single- and multi-family), educational facilities issues (public and private
schools), student loan issues, resource recovery issues, transportation issues
(mass transit, airport and highway bonds), industrial revenue/pollution control
bond issues, utility issues (including water, sewer and electricity), general
obligation issues, lease obligations/certificates of participation, escrowed
bonds and other issues ("Other Issues") not falling within one of the
aforementioned categories (includes special obligations to crossover, excise and
sales tax revenue, recreation revenue, special assessment and telephone revenue
bonds).  In no event shall (a) more than 10% of Moody's Eligible Assets consist
of student loan issues, (b) more than 10% of Moody's Eligible Assets consist of
resource recovery issues or (c) more than 10% of Moody's Eligible Assets consist
of Other Issues.

     When the Corporation sells a Michigan Municipal Bond or Municipal Bond and
agrees to repurchase it at a future date, the Discounted Value of such Bond will
constitute a Moody's Eligible Asset and the amount the Corporation is required
to pay upon repurchase of such Bond will count as a liability for purposes of
calculating the AMPS Basic Maintenance Amount.  For so long as the AMPS are
rated by Moody's, the Corporation will not enter into any such reverse
repurchase agreements unless it has received written confirmation from Moody's
that such

                                       17
<PAGE>

transactions would not impair the rating then assigned the AMPS by Moody's. When
the Corporation purchases a Michigan Municipal Bond or Municipal Bond and agrees
to sell it at a future date to another party, cash receivable by the Corporation
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 Bond will constitute a
Moody's Eligible Asset.

     Notwithstanding the foregoing, an asset will not be considered a Moody's
Eligible Asset if it is (i) held in a margin account, (ii) subject to any
material lien, mortgage, pledge, security interest or security agreement of any
kind, (iii) held for the purchase of a security pursuant to a Forward Commitment
or (iv) irrevocably deposited by the Corporation for the payment of dividends or
redemption.

     "Moody's Exposure Period" means a period that is the same length or longer
than the number of days used in calculating the cash dividend component of the
AMPS Basic Maintenance Amount and shall initially be the period commencing on
and including a given Valuation Date and ending 48 days thereafter.

     "Moody's Hedging Transactions" has the meaning set forth in paragraph 8(b)
of these Articles Supplementary.

     "Moody's Volatility Factor" means 272% as long as there has been no
increase enacted to the Marginal Tax Rate.  If such an increase is enacted but
not yet implemented, the Moody's Volatility Factor shall be as follows:

                                       18
<PAGE>

<TABLE>
<CAPTION>
       % Change in Marginal                            Moody's Volatility
             Tax Rate                                        Factor
       --------------------                            ------------------

   <S>                                                    <C>
   less than or equal to 5%                                  292%
   less than or equal to 5%  but greater than 10%            313%
   less than or equal to 10% but greater than 15%            338%
   less than or equal to 15% but greater than 20%            364%
   less than or equal to 20% but greater than 25%            396%
   less than or equal to 25% but greater than 30%            432%
   less than or equal to 30% but greater than 35%            472%
   less than or equal to 35% but greater than 40%            520%
</TABLE>
Notwithstanding the foregoing, the Moody's Volatility Factor may mean such other
potential dividend rate increase factor as Moody's advises the Corporation in
writing is applicable.

     "Municipal Bonds" means "Municipal Bonds" as defined in the Corporation's
Registration Statement on Form N-2 (File No. 333-86723) relating to the AMPS on
file with the Securities and Exchange Commission, as such Registration Statement
may be amended from time to time, as well as short-term municipal obligations
and Inverse Floaters.

     "Municipal Index" has the meaning set forth in paragraph 8(a) of these
Articles Supplementary.

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

     "1940 Act AMPS 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 Corporation which are stock, including all outstanding shares
of AMPS and Other AMPS (or such other asset coverage as may in the future be
specified in or under the 1940 Act as the minimum asset

                                       19
<PAGE>

coverage for senior securities which are stock of a closed-end investment
company as a condition of paying dividends on its common stock).

     "1940 Act Cure Date," with respect to the failure by the Corporation to
maintain the 1940 Act AMPS Asset Coverage (as required by paragraph 6 of these
Articles Supplementary) as of the last Business Day of each month, means the
last Business Day of the following month.

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

     "Non-Payment Period" means, with respect to the AMPS, any period commencing
on and including the day on which the Corporation 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
these Articles Supplementary) 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 AMPS 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 AMPS
called for redemption, the Mandatory Redemption Price per share of such AMPS 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

                                       20
<PAGE>

been made available to Holders in same-day funds; provided that, a Non-Payment
Period shall not end unless the Corporation 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 Stock
Books) and the Securities Depository. Notwithstanding the foregoing, the failure
by the Corporation 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 Articles Supplementary, shall not constitute a "Non-
Payment Period."

     "Non-Payment Period Rate" means, initially, 200% of the applicable
Reference Rate (or 275% of such rate if the Corporation 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 AMPS), provided that the Board of Directors of the Corporation shall
have the authority to adjust, modify, alter or change from time to time the
initial Non-Payment Period Rate if the Board of Directors of the Corporation
determines and Moody's and S&P (and any Substitute Rating Agency in lieu of
Moody's or S&P in the event either of such parties shall not rate the AMPS)
advise the Corporation in writing that such adjustment, modification, alteration
or change will not adversely affect their then-current ratings on the AMPS.

     "Normal Dividend Payment Date" has the meaning set forth in paragraph
2(b)(i) of these Articles Supplementary.

                                       21
<PAGE>

     "Notice of Redemption" means any notice with respect to the redemption of
shares of AMPS pursuant to paragraph 4 of these Articles Supplementary.

     "Notice of Revocation" has the meaning set forth in paragraph 2(c)(iii) of
these Articles Supplementary.

     "Notice of Special Dividend Period" has the meaning set forth in paragraph
2(c)(iii) of these Articles Supplementary.

     "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 AMPS" means the auction rate preferred stock of the Corporation,
other than the AMPS.

     "Outstanding" means, as of any date (i) with respect to AMPS, shares of
AMPS theretofore issued by the Corporation except, without duplication, (A) any
shares of AMPS theretofore cancelled or delivered to the Auction Agent for
cancellation, or redeemed by the Corporation, 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 Corporation pursuant to paragraph 4(c)
and (B) any shares of AMPS as to which the Corporation or any Affiliate thereof
shall be a Beneficial Owner, provided that shares of AMPS held by an Affiliate
shall be deemed

                                       22
<PAGE>

outstanding for purposes of calculating the AMPS Basic Maintenance Amount and
(ii) with respect to shares of other Preferred Stock, has the equivalent
meaning.

     "Parity Stock" means the AMPS and each other outstanding series of
Preferred Stock the holders of which, together with the holders of the AMPS,
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.

     "Person" means and includes an individual, a partnership, a corporation, a
trust, an unincorporated association, a joint venture or other entity or a
government or any agency or political subdivision thereof.

     "Policy" means an insurance policy purchased by the Corporation which
guarantees the payment of principal and interest on specified Michigan Municipal
Bonds or Municipal Bonds during the period in which such Michigan Municipal
Bonds or Municipal Bonds are owned by the Corporation; provided, however, that,
as long as the AMPS are rated by Moody's and S&P, the Corporation will not
obtain any Policy unless Moody's and S&P advise the Corporation in writing that
the purchase of such Policy will not adversely affect their then-current rating
on the AMPS.

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

                                       23
<PAGE>

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

     "Preferred Stock" means the preferred stock, par value $.10 per share, of
the Corporation, and includes AMPS and Other AMPS.

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

     "Pricing Service" means J.J. Kenny or any pricing service designated by the
Board of Directors of the Corporation provided the Corporation obtains written
assurance from S&P and Moody's that such designation will not impair the rating
then assigned by S&P and Moody's to the AMPS.

     "Quarterly Valuation Date" means the twenty-fifth day of the last month of
each fiscal quarter of the Corporation (or, if such day is not a Business Day,
the next succeeding Business Day) in each fiscal year of the Corporation,
commencing _______________, 1999.

     "Receivables for Michigan Municipal Bonds Sold" has the meaning set forth
under the definition of S&P Discount Factor.

     "Receivables for Michigan Municipal Bonds or Municipal Bonds Sold"  has the
meaning set forth under the definition of Moody's Discount Factor.

     "Reference Rate" means: (i) with respect to a Dividend Period or a Short
Term Dividend Period having 28 or fewer days, the higher of the applicable "AA"
Composite Commercial Paper

                                       24
<PAGE>

Rate and the Taxable Equivalent of the Short-Term Municipal Bond Rate, (ii) with
respect to any Short Term Dividend Period having more than 28 but fewer than 183
days, the applicable "AA" Composite Commercial Paper Rate, (iii) with respect to
any Short Term Dividend Period having 183 or more but fewer than 364 days, the
applicable U.S. Treasury Bill Rate and (iv) with respect to any Long Term
Dividend Period, the applicable U.S. Treasury Note Rate.

     "Request for Special Dividend Period" has the meaning set forth in
paragraph 2(c)(iii) of these Articles Supplementary.

     "Response" has the meaning set forth in paragraph 2(c)(iii) of these
Articles Supplementary.

     "Retroactive Taxable Allocation" has the meaning set forth in paragraph
2(e) of these Articles Supplementary.

     "Right," with respect to the AMPS, has the meaning set forth in paragraph
2(e) of these Articles Supplementary and, with respect to Other AMPS, has the
equivalent meaning.

     "S&P" means Standard & Poor's, a division of The McGraw Hill Companies,
Inc. or its successors.

     "S&P Discount Factor" means, for purposes of determining the Discounted
Value of any Michigan Municipal Bond which constitutes an S&P Eligible Asset,
the percentage determined by reference to (a)(i) the rating by S&P, Moody's or
Fitch on such Bond or (ii) in the event the Michigan Municipal Bond is insured
under a Policy and the terms of the Policy permit the Corporation, at its
option, to obtain other permanent insurance guaranteeing the timely payment

                                       25
<PAGE>

of interest on such Michigan Municipal Bond and principal thereof to maturity,
the S&P insurance claims-paying ability rating of the issuer of the Policy or
(iii) in the event the Michigan Municipal Bond is insured under an insurance
policy which guarantees the timely payment of interest on such Michigan
Municipal Bond and principal thereof to maturity, the S&P insurance claims-
paying ability rating of the issuer of the insurance policy and (b) the S&P
Exposure Period, in accordance with the tables set forth below:

<TABLE>
<CAPTION>

For Michigan Municipal Bonds:
- ------------------------------------------
                                                                        Rating Category
                                                        -----------------------------------------------
S&P Exposure Period                                        AAA*        AA*         A*          BBB*
- -------------------                                     -----------------------------------------------
<S>                                                     <C>         <C>         <C>        <C>
45 Business Days                                           215%        220%        235          275%
25 Business Days                                           195         200         215          255
10 Business Days                                           180         185         200          240
7  Business Days                                           175         180         195          235
3  Business Days                                           155         160         175          215
- -------------------
*  S&P rating.

</TABLE>

     Notwithstanding the foregoing, (i) the S&P Discount Factor for short-term
Michigan Municipal Bonds will be 115%, so long as such Michigan Municipal Bonds
are rated A-1+ or SP-1+ by S&P and mature or have a demand feature exercisable
in 30 days or less, or 120% so long as such Michigan Municipal Bonds are rated
A-1 or SP-1 by S&P and mature or have a demand feature exercisable in 30 days or
less, or 125% if such Michigan Municipal Bonds are not rated by S&P but are
rated VMIG-1, P-1 or MIG-1 by Moody's or F-1+ by Fitch; provided, however, such
short-term Michigan Municipal Bonds rated by Moody's or Fitch but not rated by
S&P having a demand feature exercisable in 30 days or less must be  backed by a
letter of credit, liquidity facility or guarantee from a bank or other financial
institution having a short-term rating of at least A-1+ from S&P; and further
provided that such short-term Michigan Municipal Bonds

                                       26
<PAGE>

rated by Moody's or Fitch but not rated by S&P may comprise no more than 50% of
short-term Michigan Municipal Bonds that qualify as S&P Eligible Assets, (ii)
the S&P Discount Factor for Receivables for Michigan Municipal Bonds Sold that
are due in more than five Business Days from such Valuation Date will be the S&P
Discount Factor applicable to the Michigan Municipal Bonds sold, and (iii) no
S&P Discount Factor will be applied to cash or to Receivables for Michigan
Municipal Bonds Sold if such receivables are due within five Business Days of
such Valuation Date. "Receivables for Michigan Municipal Bonds Sold," for
purposes of calculating S&P Eligible Assets as of any Valuation Date, means the
book value of receivables for Michigan Municipal Bonds sold as of or prior to
such Valuation Date. The Corporation may adopt S&P Discount Factors for
Municipal Bonds other than Michigan Municipal Bonds provided that S&P advises
the Corporation in writing that such action will not adversely affect its then
current rating on the AMPS. For purposes of the foregoing, Anticipation Notes
rated SP-1 or, if not rated by S&P, rated VMIG-1 by Moody's or F-1+ by Fitch,
which do not mature or have a demand feature exercisable in 30 days and which do
not have a long-term rating, shall be considered to be short-term Michigan
Municipal Bonds.

     "S&P Eligible Asset" means cash, Receivables for Michigan Municipal Bonds
Sold or a Michigan Municipal Bond that (i) is interest bearing and pays interest
at least semi-annually; (ii) is payable with respect to principal and interest
in United States Dollars; (iii) is publicly rated BBB or higher by S&P or,
except in the case of Anticipation Notes that are grant anticipation notes or
bond anticipation notes which must be rated by S&P to be included in S&P
Eligible Assets, if not rated by S&P but rated by Moody's or Fitch, is rated at
least A by Moody's or Fitch (provided that such Moody's-rated or Fitch-rated
Michigan Municipal Bonds will be

                                       27
<PAGE>

included in S&P Eligible Assets only to the extent the Market Value of such
Michigan Municipal Bonds does not exceed 50% of the aggregate Market Value of
the S&P Eligible Assets; and further provided that, for purposes of determining
the S&P Discount Factor applicable to any such Moody's-rated or Fitch-rated
Michigan Municipal Bond, such Michigan Municipal Bond will be deemed to have an
S&P rating which is one full rating category lower than its Moody's rating or
Fitch rating); (iv) is not subject to a covered call or covered put option
written by the Corporation; (v) except for Inverse Floaters, is not part of a
private placement of Michigan Municipal Bonds; and (vi) except for Inverse
Floaters, is part of an issue of Michigan Municipal Bonds with an original issue
size of at least $10 million or, if of an issue with an original issue size
below $10 million (but in no event below $5 million), is either (a) issued by an
issuer with a total of at least $25 million of securities outstanding, or (b)
rated at least A by S&P with all such Michigan Municipal Bonds not constituting
more than 20% of the aggregate Market Value of S&P Eligible Assets.
Notwithstanding the foregoing:

          (1)  Michigan Municipal Bonds of any one issuer or guarantor
(excluding bond insurers) will be considered S&P Eligible Assets only to the
extent the Market Value of such Michigan Municipal Bonds does not exceed 10% of
the aggregate Market Value of the S&P Eligible Assets, provided that 2% is added
to the applicable S&P Discount Factor for every 1% by which the Market Value of
such Michigan Municipal Bonds exceeds 5% of the aggregate Market Value of the
S&P Eligible Assets;

          (2)  Michigan Municipal Bonds of any one issue type category (as
described below) will be considered S&P Eligible Assets only to the extent the
Market Value of such Bonds does not exceed 25% of the aggregate Market Value of
S&P Eligible Assets and the

                                       28
<PAGE>

Market Value of such Bonds in all three sub-categories combined does not exceed
60% of the aggregate Market Value of S&P Eligible Assets, except that Michigan
Municipal Bonds falling within the utility issue type category will be broken
down into three sub-categories (as described below) and such Michigan Municipal
Bonds will be considered S&P Eligible Assets to the extent the Market Value of
such Bonds in each such sub-category does not exceed 25% of the aggregate Market
Value of S&P Eligible Assets, except that Michigan Municipal Bonds falling
within the transportation issue type category will be broken down into two sub-
categories (as described below) and such Michigan Municipal Bonds will be
considered S&P Eligible Assets to the extent the Market Value of such Bonds in
both sub-categories combined (as described below) does not exceed 40% of the
aggregate Market Value of S&P Eligible Assets and except that Michigan Municipal
Bonds falling within the general obligation issue type category will be
considered S&P Eligible Assets to the extent the Market Value of such Bonds does
not exceed 50% of the aggregate Market Value of S&P Eligible Assets. For
purposes of the issue type category requirement described above, Michigan
Municipal Bonds will be classified within one of the following categories:
health care issues, housing issues, educational facilities issues, student loan
issues, transportation issues, industrial development bond issues, utility
issues, general obligation issues, lease obligations, escrowed bonds and other
issues not falling within one of the aforementioned categories. The general
obligation issue type category includes any issuer that is directly or
indirectly guaranteed by the State of Michigan or its political subdivisions.
Utility issuers are included in the general obligation issue type category if
the issuer is directly or indirectly guaranteed by the State of Michigan or its
political subdivisions. For purposes of the issue type category requirement
described above, Michigan Municipal Bonds in the utility issue type category
will be classified within one of the three following sub-categories: (i)
electric, gas

                                       29
<PAGE>

and combination issues (if the combination issue includes an electric issue),
(ii) water and sewer utilities and combination issues (if the combination issue
does not include an electric issue), and (iii) irrigation, resource recovery,
solid waste and other utilities, provided that Michigan Municipal Bonds included
in this sub-category (iii) must be rated by S&P in order to be included in S&P
Eligible Assets. For purposes of the issue type category requirement described
above, Michigan Municipal Bonds in the transportation issue type category will
be classified within one of the two following sub-categories: (i) streets and
highways, toll roads, bridges and tunnels, airports and multi-purpose port
authorities (multiple revenue streams generated by toll roads, airports, real
estate, bridges), (ii) mass transit, parking, seaports and others. Exposure to
transportation sub-category (i) is limited to 25% of the aggregate Market Value
of S&P Eligible Assets, provided, however, exposure to transportation sub-
category (i) can exceed the 25% limit to the extent that exposure to
transportation sub-category (ii) is reduced, for a total exposure up to and not
exceeding 40% of the aggregate Market Value of S&P Eligible Assets for the
transportation issue type category; and

          (3) Michigan Municipal Bonds which are escrow bonds or defeased bonds
may compose up to 100% of the aggregate Market Value of S&P Eligible Assets if
such Bonds initially are assigned a rating by S&P in accordance with S&P's legal
defeasance criteria or rerated by S&P as economic defeased escrow bonds and
assigned an AAA rating.  Michigan Municipal Bonds may be rated as escrow bonds
by another nationally recognized rating agency or rerated as an escrow bond and
assigned the equivalent of an S&P AAA rating, provided that such equivalent
rated Bonds are limited to 50% of the aggregate Market Value of S&P Eligible
Assets and are deemed to have an AA S&P rating for purposes of determining the
S&P Discount Factor applicable to such Michigan Municipal Bonds.  The
limitations on Michigan Municipal

                                       30
<PAGE>

Bonds of any one issuer in clause (1) above is not applicable to escrow bonds,
however, economically defeased bonds that are either initially rate or rerated
by S&P or another nationally recognized rating agency and assigned the same
rating level as the issuer of the Bonds will remain in its original issue type
category set forth in clause (2) above. Michigan Municipal Bonds that are
legally defeased and secured by securities issued or guaranteed by the United
States Government are not required to meet the minimum issuance size requirement
set forth above.

     The Corporation may include Municipal Bonds other than Michigan Municipal
Bonds as S&P Eligible Assets pursuant to guidelines and restrictions to be
established by S&P provided that S&P advises the Corporation in writing that
such action will not adversely affect its then current rating on the AMPS.

     "S&P Exposure Period" means the maximum period of time following a
Valuation Date, including the Valuation Date and the AMPS Basic Maintenance Cure
Date, that the Corporation has under these Articles Supplementary to cure any
failure to maintain, as of such Valuation Date, the Discounted Value for its
portfolio at least equal to the AMPS Basic Maintenance Amount (as described in
paragraph 7(a) of these Articles Supplementary).

     "S&P Hedging Transactions" has the meaning set forth in paragraph 8(a) of
these Articles Supplementary.

     "S&P Volatility Factor" means 277% or such other potential dividend rate
increase factor as S&P advises the Corporation in writing is applicable.

                                       31
<PAGE>

     "Securities Depository" means The Depository Trust Company or any successor
company or other entities elected by the Corporation as securities depository
for the shares of AMPS that agrees to follow the procedures required to be
followed by such securities depository in connection with the shares of AMPS.

     "Service" means the United States Internal Revenue Service.

     "7-Day Dividend Period" means a Dividend Period consisting of seven days.

     "Short Term Dividend Period" means a Special Dividend Period consisting of
a specified number of days (other than seven) evenly divisible by seven and not
fewer than seven nor more than 364.

     "Special Dividend Period" means a Dividend Period consisting of (i) a
specified number of days (other than seven), 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 Directors of the Corporation, after consultation with
the Auction Agent and the Broker-Dealers, during which the shares of AMPS
subject to such Dividend Period shall not be subject to redemption at the option
of the Corporation and (ii) a period (a "Premium Call Period"), consisting of a
number of whole years and determined by the Board of Directors of the
Corporation, after consultation with the Auction Agent and the Broker-Dealers,
during each year

                                       32
<PAGE>

of which the shares of AMPS subject to such Dividend Period shall be redeemable
at the Corporation'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 Directors of the Corporation after
consultation with the Auction Agent and the Broker-Dealers.

     "Stock 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 AMPS.

     "Stock Register" means the register of Holders maintained on behalf of the
Corporation by the Auction Agent in its capacity as transfer agent and registrar
for the AMPS.

     "Subsequent Dividend Period," with respect to AMPS, has the meaning set
forth in paragraph 2(c)(i) of these Articles Supplementary and, with respect to
Other AMPS, has the equivalent meaning.

     "Substitute Commercial Paper Dealers" means such Substitute Commercial
Paper Dealer or Dealers as the Corporation 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 Merrill
Lynch, Pierce, Fenner & Smith Incorporated or its affiliates and successors,
after consultation with the Corporation, to act as the substitute rating agency
or substitute rating agencies, as the case may be, to determine the credit
ratings of the shares of AMPS.

                                       33
<PAGE>

     "Taxable Equivalent of the Short-Term Municipal Bond Rate" on any date
means 90% of the quotient of (A) the per annum rate expressed on an interest
equivalent basis equal to the Kenny S&P 30-day High Grade Index (the "Kenny
Index") or any successor index, made available for the Business Day immediately
preceding such date but in any event not later than 8:30 A.M., New York City
time, on such date by Kenny Information Systems Inc. or any successor thereto,
based upon 30-day yield evaluations at par of bonds the interest on which is
excludable for regular Federal income tax purposes under the Code of "high
grade" component issuers selected by Kenny Information Systems Inc. or any such
successor from time to time in its discretion, which component issuers shall
include, without limitation, issuers of general obligation bonds but shall
exclude any bonds the interest on which constitutes an item of tax preference
under Section 57(a)(5) of the Code, or successor provisions, for purposes of the
"alternative minimum tax," divided by (B) 1.00 minus the Marginal Tax Rate
(expressed as a decimal); provided, however, that if the Kenny Index is not made
so available by 8:30 A.M., New York City time, on such date by Kenny Information
Systems Inc. or any successor, the Taxable Equivalent of the Short-Term
Municipal Bond Rate shall mean the quotient of (A) the per annum rate expressed
on an interest equivalent basis equal to the most recent Kenny Index so made
available for any preceding Business Day, divided by (B) 1.00 minus the Marginal
Tax Rate (expressed as a decimal).  The Corporation may not utilize a successor
index to the Kenny Index unless Moody's and S&P provide the Corporation with
written confirmation that the use of such successor index will not adversely
affect the then-current respective Moody's and S&P ratings of the AMPS.

                                       34
<PAGE>

     "Treasury Bonds" has the meaning set forth in paragraph 8(a) of these
Articles Supplementary.

     "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 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

                                       35
<PAGE>

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 Corporation
is maintaining the AMPS 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 Corporation, 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, AMPS Basic
Maintenance Amount, AMPS Basic Maintenance Cure Date, AMPS Basic Maintenance
Report, Deposit Securities, Discounted Value, Independent Accountant, Initial
Margin, Inverse Floaters, Market Value, Maximum Potential Additional Dividend
Liability, Moody's Discount Factor, Moody's Eligible Asset, Moody's Exposure
Period, Moody's Hedging Transactions, Moody's Volatility Factor, S&P Discount
Factor, S&P Eligible Asset, S&P Exposure Period, S&P Hedging Transactions, S&P
Volatility Factor, Valuation Date and Variation Margin have been determined by
the Board of Directors of the Corporation in order to obtain a "aaa" rating from
Moody's and a AAA rating from S&P on the AMPS on their Date of Original Issue;
and the Board of Directors of the Corporation shall have the authority, without
shareholder approval, to amend, alter or repeal from time to time the foregoing
definitions and the restrictions and

                                       36
<PAGE>

guidelines set forth thereunder if Moody's and S&P or any Substitute Rating
Agency advises the Corporation in writing that such amendment, alteration or
repeal will not adversely affect their then current ratings on the AMPS.

     2.  Dividends.  (a)  The Holders shall be entitled to receive, when, as and
         ---------
if declared by the Board of Directors of the Corporation, out of funds legally
available therefor, cumulative dividends each consisting of (i) cash at the
Applicable Rate, (ii) a Right to receive cash as set forth in paragraph 2(e)
below, and (iii) any additional amounts as set forth in paragraph 2(f) below,
and no more, payable on the respective dates set forth below.  Dividends on the
shares of AMPS so declared and payable shall be paid (i) in preference to and in
priority over any dividends declared and payable on the Common Stock, and (ii)
to the extent permitted under the Code and to the extent available, out of net
tax-exempt income earned on the Corporation's investments.  To the extent
permitted under the Code, dividends on shares of AMPS will be designated as
exempt-interest dividends.  For the purposes of this section, the term "net tax-
exempt income" shall exclude capital gains of the Corporation.

     (b)  (i) Cash dividends on shares of AMPS shall accumulate from the Date of
Original Issue and shall be payable, when, as and if declared by the Board of
Directors, out of funds legally available therefor, commencing on the Initial
Dividend Payment Date with respect to the AMPS.  Following the Initial Dividend
Payment Date for the AMPS, dividends on the AMPS will be payable, at the option
of the Corporation, either (i) with respect to any 7-Day Dividend Period and any
Short Term Dividend Period of 35 or fewer days, on the day next succeeding the
last day thereof or (ii) with respect to any Short Term Dividend Period of more
than 35 days and with respect to any Long Term Dividend Period, monthly on the
first Business Day of each

                                       37
<PAGE>

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 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 Directors shall fix the Dividend Payment
Date. The Board of Directors by resolution prior to authorization of a dividend
by the Board of Directors may change a Dividend Payment Date if such change does
not adversely affect the contract rights of the Holders of shares of AMPS set
forth in the Charter. The Initial Dividend Period, 7-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."

          (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 Directors of the Corporation.

                                       38
<PAGE>

      (c)  (i)  During the period from and including the Date of Original Issue
to but excluding the Initial Dividend Payment Date (the "Initial Dividend
Period"), the Applicable Rate shall be the Initial Dividend Rate.  Commencing on
the Initial Dividend Payment Date, 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 7-Day Dividend Period.  Except in the case of the willful failure of
the Corporation to pay a dividend on a Dividend Payment Date or to redeem any
shares of AMPS 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 Corporation has
declared such dividend payable on such Dividend Payment Date to the Holders of
such shares of AMPS 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 AMPS 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

                                       39
<PAGE>

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
365. In the case of a willful failure of the Corporation to pay a dividend on a
Dividend Payment Date or to redeem any shares of AMPS 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 AMPS payable (if
declared) on the Initial Dividend Payment Date, each 7-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 the denominator of which will be
365, 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 AMPS 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

                                       40
<PAGE>

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)  With respect to each Dividend Period that is a Special Dividend
Period, the Corporation 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 the AMPS be a number of days (other than seven), 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 Corporation 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
were made in the last occurring Auction and unless full cumulative dividends,
any amounts due with respect to redemptions, 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 the AMPS 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 AMPS.  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 Corporation issue a Notice of
Special Dividend Period for the AMPS as contemplated by such Request for Special
Dividend Period and the Optional Redemption Price of the AMPS during such
Special Dividend Period and the

                                       41
<PAGE>

Specific Redemption Provisions and shall give the Corporation 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 AMPS, (4)
industry and financial conditions which may affect the AMPS, (5) the investment
objective of the Corporation, and (6) the Dividend Periods and dividend rates at
which current and potential beneficial holders of the AMPS would remain or
become beneficial holders. If the Broker-Dealer(s) shall not give the
Corporation 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 Corporation give a Notice of Special Dividend Period for the AMPS, the
Corporation 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 Corporation give a Notice of Special Dividend Period for
the AMPS, the Corporation 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
Corporation also shall provide a copy of such Notice of Special Dividend Period
to Moody's and S&P. The Corporation shall not give a Notice of Special Dividend
Period and, if the Corporation has given a Notice of Special Dividend Period,
the Corporation is required to give telephonic and written notice of its

                                       42
<PAGE>

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 AMPS Asset Coverage is not
satisfied or the Corporation shall fail to maintain S&P Eligible Assets and
Moody's Eligible Assets each with an aggregate Discounted Value at least equal
to the AMPS Basic Maintenance Amount, in each case 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 Corporation is an approximately equal rate for securities similar to the
AMPS with an equal dividend period), provided that, in calculating the aggregate
Discounted Value of Moody's Eligible Assets for this purpose, the Moody's
Exposure Period shall be deemed to be one week longer, (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 Corporation that after consideration of the
factors listed above they have concluded that it is advisable to give a Notice
of Revocation. The Corporation also shall provide a copy of such Notice of
Revocation to Moody's and S&P. If the Corporation 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 Corporation gives a Notice of
Revocation with respect to a Notice of Special Dividend Period for the AMPS, the
next succeeding Dividend Period will be a 7-Day Dividend Period. In addition, in
the event Sufficient Clearing Bids are not made in the applicable Auction or
such Auction is not held for any reason, such next succeeding Dividend Period
will be a 7-Day Dividend Period

                                       43
<PAGE>

and the Corporation may not again give a Notice of Special Dividend Period for
the AMPS (and any such attempted notice shall be null and void) until Sufficient
Clearing Bids have been made in an Auction with respect to a 7-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 AMPS (except for
Additional Dividends as provided in paragraph 2(e) hereof and additional
payments as provided in paragraph 2(f) hereof).  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 AMPS that may be in arrears.

          (ii) For so long as any share of AMPS is Outstanding, the Corporation
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 Stock or other
stock, if any, ranking junior to the shares of AMPS as to dividends or upon
liquidation) in respect of the Common Stock or any other stock of the
Corporation ranking junior to or on a parity with the shares of AMPS as to
dividends or upon liquidation, or call for redemption, redeem, purchase or
otherwise acquire for consideration any shares of the Common Stock or any other
such junior stock (except by conversion into or exchange for stock of the
Corporation ranking junior to the shares of AMPS as to dividends and upon
liquidation) or any other such Parity Stock (except by conversion into or
exchange for stock of the Corporation ranking junior to or on a parity with the
shares of AMPS as to dividends and upon liquidation), unless (A) immediately
after such transaction, the Corporation shall have S&P Eligible Assets

                                       44
<PAGE>

and Moody's Eligible Assets each with an aggregate Discounted Value equal to or
greater than the AMPS Basic Maintenance Amount and the Corporation shall
maintain the 1940 Act AMPS Asset Coverage, (B) full cumulative dividends on
shares of AMPS and shares of Other AMPS 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, (C)
any Additional Dividend required to be paid under paragraph 2(e) below on or
before the date of such declaration or payment has been paid and (D) the
Corporation has redeemed the full number of shares of AMPS required to be
redeemed by any provision for mandatory redemption contained herein.

     (e) Each dividend shall consist of (i) cash at the Applicable Rate, (ii) an
uncertificated right (a "Right") to receive an Additional Dividend (as defined
below), and (iii) any additional amounts as set forth in paragraph 2(f) below.
Each Right shall thereafter be independent of the share or shares of AMPS on
which the dividend was paid.  The Corporation shall cause to be maintained a
record of each Right received by the respective Holders.  A Right may not be
transferred other than by operation of law.  If the Corporation retroactively
allocates any net capital gains or other income subject to regular Federal
income taxes to shares of AMPS without having given advance notice thereof to
the Auction Agent as described in paragraph 2(f) hereof solely by reason of the
fact that such allocation is made as a result of the redemption of all or a
portion of the outstanding shares of AMPS or the liquidation of the Corporation
(the amount of such allocation referred to herein as a "Retroactive Taxable
Allocation"), the Corporation will, within 90 days (and generally within 60
days) after the end of the Corporation's fiscal year for which a Retroactive
Taxable Allocation is made, provide notice thereof to the Auction Agent and

                                       45
<PAGE>

to each holder of a Right applicable to such shares of AMPS (initially Cede &
Co. as nominee of The Depository Trust Company) during such fiscal year at such
holder's address as the same appears or last appeared on the Stock Books of the
Corporation. The Corporation will, within 30 days after such notice is given to
the Auction Agent, pay to the Auction Agent (who will then distribute to such
holders of Rights), out of funds legally available therefor, an amount equal to
the aggregate Additional Dividend with respect to all Retroactive Taxable
Allocations made to such holders during the fiscal year in question.

     An "Additional Dividend" means payment to a present or former holder of
shares of AMPS of an amount which, when taken together with the aggregate amount
of Retroactive Taxable Allocations made to such holder with respect to the
fiscal year in question, would cause such holder's dividends in dollars (after
Federal and Michigan income tax consequences) from the aggregate of both the
Retroactive Taxable Allocations and the Additional Dividend to be equal to the
dollar amount of the dividends which would have been received by such holder if
the amount of the aggregate Retroactive Taxable Allocations would have been
excludable from the gross income of such holder.  Such Additional Dividend shall
be calculated (i) without consideration being given to the time value of money;
(ii) assuming that no holder of shares of AMPS is subject to the Federal
alternative minimum tax with respect to dividends received from the Corporation;
and (iii) assuming that each Retroactive Taxable Allocation would be taxable in
the hands of each holder of shares of AMPS at the greater of: (x) the maximum
combined marginal regular Federal and Michigan individual income tax rate
applicable to ordinary income or capital gains depending on the taxable
character of the distribution (including any surtax); or (y) the maximum
combined marginal regular Federal and Michigan corporate income tax rate

                                       46
<PAGE>

applicable to ordinary income or capital gains depending on the taxable
character of the distribution (taking into account in both (x) and (y) the
Federal income tax deductibility of state taxes paid or incurred but not any
phase out of, or provision limiting, personal exemptions, itemized deductions,
or the benefit of lower tax brackets and assuming the taxability of Federally
tax-exempt dividends for corporations for Michigan state income tax purposes).

     (f) Except as provided below, whenever the Corporation intends to include
any net capital gains or other income subject to regular Federal income taxes in
any dividend on shares of AMPS, the Corporation 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.  The
Corporation may also include such income in a dividend on shares of AMPS without
giving advance notice thereof if it increases the dividend by an additional
amount calculated as if such income was a Retroactive Taxable Allocation and the
additional amount was an Additional Dividend, provided that the Corporation will
notify the Auction Agent of the additional amounts to be included in such
dividend at least five Business Days prior to the applicable Dividend Payment
Date.

     (g) No fractional shares of AMPS shall be issued.

     3.  Liquidation Rights.  Upon any liquidation, dissolution or winding up of
         ------------------
the Corporation, whether voluntary or involuntary, the Holders shall be entitled
to receive, out of the assets of the Corporation available for distribution to
shareholders, before any distribution or payment is made upon any Common Stock
or any other capital stock ranking junior in right of payment upon liquidation
to the AMPS, the sum of $25,000 per share plus accumulated but

                                       47
<PAGE>

unpaid dividends (whether or not earned or declared) thereon to the date of
distribution, and after such payment the Holders will be entitled to no other
payments other than Additional Dividends as provided in paragraph 2(e) hereof.
If upon any liquidation, dissolution or winding up of the Corporation, the
amounts payable with respect to the AMPS and any other Outstanding class or
series of Preferred Stock of the Corporation ranking on a parity with the AMPS
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 Corporation except for any
Additional Dividends. A consolidation, merger or statutory share exchange of the
Corporation with or into any other corporation 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 Corporation shall not be deemed or construed to be
a liquidation, dissolution or winding up of the Corporation.

     4.  Redemption.  (a)  Shares of AMPS shall be redeemable by the Corporation
         ----------
as provided below:

         (i) To the extent permitted under the 1940 Act and Maryland law, upon
giving a Notice of Redemption, the Corporation at its option may redeem shares
of AMPS, 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 AMPS may be redeemed at the option of the Corporation during (A) the
Initial Dividend Period with respect to such share or (B) a Non-Call Period to
which such share is subject.  In addition, holders of AMPS which are

                                       48
<PAGE>

redeemed shall be entitled to receive Additional Dividends to the extent
provided herein. The Corporation 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 Corporation 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 AMPS on such redemption
date.

          (ii) The Corporation shall redeem, out of funds legally available
therefor, at the Mandatory Redemption Price per share, shares of AMPS to the
extent permitted under the 1940 Act and Maryland law, on a date fixed by the
Board of Directors, if the Corporation fails to maintain S&P Eligible Assets and
Moody's Eligible Assets each with an aggregate Discounted Value equal to or
greater than the AMPS Basic Maintenance Amount as provided in paragraph 7(a) or
to satisfy the 1940 Act AMPS Asset Coverage as provided in paragraph 6 and such
failure is not cured on or before the AMPS Basic Maintenance Cure Date or the
1940 Act Cure Date (herein collectively referred to as a "Cure Date"), as the
case may be.  In addition, holders of AMPS so redeemed shall be entitled to
receive Additional Dividends to the extent provided herein.  The number of
shares of AMPS to be redeemed shall be equal to the lesser of (i) the minimum
number of shares of AMPS 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 Stock subject to redemption or retirement, would
result in the Corporation having S&P Eligible Assets and Moody's Eligible Assets
each with an aggregate Discounted Value equal to or greater than the AMPS Basic
Maintenance Amount or satisfaction of the 1940 Act AMPS Asset Coverage, as the
case may be, on such Cure Date (provided that, if there is no such

                                       49
<PAGE>

minimum number of shares of AMPS and shares of other Preferred Stock the
redemption of which would have such result, all shares of AMPS and shares of
other Preferred Stock then Outstanding shall be redeemed), and (ii) the maximum
number of shares of AMPS, together with all shares of other Preferred Stock
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 AMPS required to be redeemed in accordance with the
foregoing, the Corporation shall allocate the number required to be redeemed
which would result in the Corporation having S&P Eligible Assets and Moody's
Eligible Assets each with an aggregate Discounted Value equal to or greater than
the AMPS Basic Maintenance Amount or satisfaction of the 1940 Act AMPS Asset
Coverage, as the case may be, pro rata among shares of AMPS, Other AMPS and
other Preferred Stock subject to redemption pursuant to provisions similar to
those contained in this paragraph 4(a)(ii); provided that, shares of AMPS which
may not be redeemed at the option of the Corporation due to the 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
Corporation shall effect such redemption on a Business Day which is not later
than 35 days after such Cure Date, except that if the Corporation does not have
funds legally available for the redemption of all of the required number of
shares of AMPS and shares of other Preferred Stock which are subject to
mandatory redemption or the Corporation otherwise is unable to effect such
redemption on or prior to 35 days after such Cure Date, the Corporation shall
redeem those shares of AMPS which it is unable

                                       50
<PAGE>

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
AMPS may be redeemed pursuant to paragraph 4(a)(i) of these Articles
Supplementary (i) unless all dividends in arrears on all remaining outstanding
shares of Parity Stock shall have been or are being contemporaneously paid or
declared and set apart for payment and (ii) if redemption thereof would result
in the Corporation's failure to maintain Moody's Eligible Assets or S&P Eligible
Assets with an aggregate Discounted Value equal to or greater than the AMPS
Basic Maintenance Amount.  In the event that less than all the outstanding
shares of a series of AMPS are to be redeemed and there is more than one Holder,
the shares of that series of AMPS to be redeemed shall be selected by lot or
such other method as the Corporation shall deem fair and equitable.

     (c) Whenever shares of AMPS are to be redeemed, the Corporation, not less
than 17 nor more than 60 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 AMPS to be redeemed and to the Auction Agent.  The
Corporation 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 AMPS to be redeemed,
(iv) the place or places where shares of AMPS 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

                                       51
<PAGE>

Articles Supplementary 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 Corporation shall have deposited in trust with
the Auction Agent, or segregated in an account at the Corporation'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 S&P
an S&P Exposure Period of 22 Business Days) equal to the redemption payment for
the shares of AMPS 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
Corporation shall default in making the redemption payment), all rights of the
Holders of such shares as shareholders of the Corporation by reason of the
ownership of such shares will cease and terminate (except their right to receive
the redemption notice in respect thereof and any Additional Dividends, but
without interest), and such shares shall no longer be deemed outstanding.  The
Corporation 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 Corporation such amount
remaining on deposit and the Auction Agent shall thereupon be

                                       52
<PAGE>

relieved of all responsibility to the Holder of such shares called for
redemption and such Holder thereafter shall look only to the Corporation for the
redemption payment.

     5.  Voting Rights.  (a)  General.  Except as otherwise provided in the
         -------------        -------
Charter or By-Laws, each Holder of shares of AMPS shall be entitled to one vote
for each share held on each matter submitted to a vote of shareholders of the
Corporation, and the holders of outstanding shares of Preferred Stock, including
AMPS, and of shares of Common Stock shall vote together as a single class;
provided that, at any meeting of the shareholders of the Corporation held for
the election of directors, the holders of outstanding shares of Preferred Stock,
including AMPS, shall be entitled, as a class, to the exclusion of the holders
of all other securities and classes of capital stock of the Corporation, to
elect two directors of the Corporation.  Subject to paragraph 5(b) hereof, the
holders of outstanding shares of capital stock of the Corporation, including the
holders of outstanding shares of Preferred Stock, including AMPS, voting as a
single class, shall elect the balance of the directors.

     (b) Right to Elect Majority of Board of Directors.  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 directors
constituting the Board of Directors shall be automatically increased by the
smallest number that, when added to the two directors elected exclusively by the
holders of shares of Preferred Stock, would constitute a majority of the Board
of Directors as so increased by such smallest number; and the holders of shares
of Preferred Stock shall be entitled, voting separately as one class (to the
exclusion of the holders of all other securities and classes of capital stock of
the Corporation), to elect such smallest number of

                                       53
<PAGE>

additional directors, together with the two directors 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 AMPS 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 Stock are
entitled to elect a majority of the directors of the Corporation 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 AMPS are outstanding, the Corporation shall not, without the
affirmative vote of the holders of a majority of the shares of Preferred Stock
Outstanding at the time, voting separately as one class:  (i) authorize, create
or issue any class or series of stock ranking prior to the AMPS or any other
series of Preferred Stock with respect to payment of dividends or the
distribution of assets on liquidation, or (ii) amend, alter or repeal the
provisions of the Charter, whether by merger, consolidation or otherwise, so as
to adversely affect any of the contract rights expressly set forth in the
Charter of holders of shares of AMPS or any other Preferred Stock.  To the
extent permitted under the 1940 Act, in the event shares of more than one series
of AMPS are

                                       54
<PAGE>

outstanding, the Corporation 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 Charter of a Holder of shares of a series of AMPS differently than
those of a Holder of shares of any other series of AMPS without the affirmative
vote of the holders of at least a majority of the shares of AMPS of each series
adversely affected and outstanding at such time (each such adversely affected
series voting separately as a class). The Corporation shall notify Moody's and
S&P ten Business Days prior to any such vote described in clause (i) or (ii).
Unless a higher percentage is provided for under the Charter, the affirmative
vote of the holders of a majority of the outstanding shares of Preferred Stock,
including AMPS, voting together as a single 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. The class vote of holders of shares of Preferred
Stock, including AMPS, described above will in each case be in addition to a
separate vote of the requisite percentage of shares of Common Stock and shares
of Preferred Stock, including AMPS, 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 Stock to elect additional directors as described
in paragraph 5(b) above, the Corporation 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 Corporation fails to send such
notice to the Auction Agent or if the Corporation does not call such a special
meeting, it may be called

                                       55
<PAGE>

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 capital stock of the
Corporation), 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 Articles Supplementary, by the other provisions of the
Charter, by statute or otherwise, a share of AMPS which is not Outstanding shall
not be counted.

          (iii)  The terms of office of all persons who are directors of the
Corporation at the time of a special meeting of Holders and holders of other
Preferred Stock to elect directors shall continue, notwithstanding the election
at such meeting by the Holders and such other holders of the number of directors
that they are entitled to elect, and the persons so elected by the Holders and
such other holders, together with the two incumbent directors elected by the
Holders and such other holders of Preferred Stock and the remaining incumbent
directors elected by the holders of the Common Stock and Preferred Stock, shall
constitute the duly elected directors of the Corporation.

                                       56
<PAGE>

          (iv)  Simultaneously with the expiration of a Voting Period, the terms
of office of the additional directors elected by the Holders and holders of
other Preferred Stock pursuant to paragraph 5(b) above shall terminate, the
remaining directors shall constitute the directors of the Corporation and the
voting rights of the Holders and such other holders to elect additional
directors 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 AMPS shall not have any rights or preferences other than those
specifically set forth herein.  The Holders of shares of AMPS shall have no
preemptive rights or rights to cumulative voting.  In the event that the
Corporation fails to pay any dividends on the shares of AMPS, the exclusive
remedy of the Holders shall be the right to vote for directors pursuant to the
provisions of this paragraph 5.

     (f)  Notification to S&P and Moody's.  In the event a vote of Holders of
          -------------------------------
AMPS is required pursuant to the provisions of Section 13(a) of the 1940 Act,
the Corporation shall, not later than ten Business Days prior to the date on
which such vote is to be taken, notify S&P and Moody's 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 S&P and Moody's of the result of such vote.

     6.  1940 Act AMPS Asset Coverage.  The Corporation shall maintain, as of
         ----------------------------
the last Business Day of each month in which any share of AMPS is outstanding,
the 1940 Act AMPS Asset Coverage.

                                       57
<PAGE>

     7.  AMPS Basic Maintenance Amount.  (a)  The Corporation shall maintain, on
         -----------------------------
each Valuation Date, and shall verify to its satisfaction that it is maintaining
on such Valuation Date, (i) S&P Eligible Assets having an aggregate Discounted
Value equal to or greater than the AMPS Basic Maintenance Amount and (ii)
Moody's Eligible Assets having an aggregate Discounted Value equal to or greater
than the AMPS Basic Maintenance Amount.  Upon any failure to maintain the
required Discounted Value, the Corporation will use its best efforts to alter
the composition of its portfolio to reattain a Discounted Value at least equal
to the AMPS Basic Maintenance Amount on or prior to the AMPS 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 Corporation fails to satisfy the AMPS Basic
Maintenance Amount, the Corporation shall complete and deliver to the Auction
Agent, and Moody's and S&P, as the case may be, a complete AMPS 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 Corporation mails to the Auction Agent for delivery on the next Business Day
the complete AMPS Basic Maintenance Report.  The Corporation will deliver an
AMPS Basic Maintenance Report to the Auction Agent and Moody's and S&P, as the
case may be, on or before 5:00 p.m., New York City time, on the third Business
Day after a Valuation Date on which the Corporation cures its failure to
maintain Moody's Eligible Assets or S&P Eligible Assets, as the case may be,
with an aggregate Discounted Value equal to or greater than the AMPS Basic
Maintenance Amount or on which the Corporation fails to maintain Moody's
Eligible Assets or S&P Eligible Assets, as the case may be, with an aggregate
Discounted Value which exceeds the AMPS Basic

                                       58
<PAGE>

Maintenance Amount by 5% or more. The Corporation will also deliver an AMPS
Basic Maintenance Report to the Auction Agent, Moody's and S&P as of each
Quarterly 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 Corporation will
deliver an AMPS Basic Maintenance Report to S&P and the Auction Agent. The
Corporation shall also provide Moody's and S&P with an AMPS Basic Maintenance
Report when specifically requested by either Moody's or S&P. A failure by the
Corporation to deliver an AMPS Basic Maintenance Report under this paragraph
7(b) shall be deemed to be delivery of an AMPS Basic Maintenance Report
indicating the Discounted Value for S&P Eligible Assets and Moody's Eligible
Assets of the Corporation is less than the AMPS Basic Maintenance Amount, as of
the relevant Valuation Date.

     (c) Within ten Business Days after the date of delivery of an AMPS Basic
Maintenance Report in accordance with paragraph 7(b) above relating to a
Quarterly Valuation Date, the Independent Accountant will confirm in writing to
the Auction Agent, S&P and Moody's (i) the mathematical accuracy of the
calculations reflected in such Report (and in any other AMPS Basic Maintenance
Report, randomly selected by the Independent Accountant, that was delivered by
the Corporation during the quarter ending on such Quarterly Valuation Date),
(ii) that, in such Report (and in such randomly selected Report), the
Corporation correctly determined the assets of the Corporation which constitute
S&P Eligible Assets or Moody's Eligible Assets, as the case may be, at such
Quarterly Valuation Date in accordance with these Articles Supplementary, (iii)
that, in such Report (and in such randomly selected Report), the Corporation
determined whether the Corporation had, at such Quarterly Valuation Date (and at

                                       59
<PAGE>

the Valuation Date addressed in such randomly selected Report) in accordance
with these Articles Supplementary, S&P Eligible Assets of an aggregate
Discounted Value at least equal to the AMPS Basic Maintenance Amount and Moody's
Eligible Assets of an aggregate Discounted Value at least equal to the AMPS
Basic Maintenance Amount, (iv) with respect to the S&P ratings on Michigan
Municipal Bonds or Municipal Bonds, the issuer name, issue size and coupon rate
listed in such Report, that the Independent Accountant has requested that S&P
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
Michigan Municipal Bonds or Municipal Bonds, 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 Corporation's assets to the
Corporation for purposes of valuing securities in the Corporation's 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 Corporation 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 Corporation has
satisfied the requirements of paragraph 8(b) of these Articles Supplementary
(such confirmation is herein called the "Accountant's Confirmation").

     (d) Within ten Business Days after the date of delivery to the Auction
Agent, S&P and Moody's of an AMPS Basic Maintenance Report in accordance with
paragraph 7(b) above

                                       60
<PAGE>

relating to any Valuation Date on which the Corporation failed to maintain S&P
Eligible Assets with an aggregate Discounted Value and Moody's Eligible Assets
with an aggregate Discounted Value equal to or greater than the AMPS Basic
Maintenance Amount, and relating to the AMPS Basic Maintenance Cure Date with
respect to such failure, the Independent Accountant will provide to the Auction
Agent, S&P and Moody's an Accountant's Confirmation as to such AMPS Basic
Maintenance Report.

     (e) If any Accountant's Confirmation delivered pursuant to subparagraph (c)
or (d) of this paragraph 7 shows that an error was made in the AMPS 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 S&P Eligible Assets or Moody's
Eligible Assets, as the case may be, of the Corporation 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
Corporation, and the Corporation shall accordingly amend and deliver the AMPS
Basic Maintenance Report to the Auction Agent, S&P and Moody's promptly
following receipt by the Corporation 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 AMPS, the Corporation will
complete and deliver to S&P and Moody's an AMPS 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 S&P and Moody's (i) the mathematical accuracy of the calculations
reflected in such Report and (ii) that the aggregate Discounted Value of S&P
Eligible Assets and the aggregate Discounted Value of Moody's Eligible Assets
reflected thereon

                                       61
<PAGE>

equals or exceeds the AMPS 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 Stock are repurchased by the Corporation, the Corporation will
complete and deliver to S&P and Moody's an AMPS Basic Maintenance Report as of
the close of business on such date that Common Stock is repurchased.

     (g) For so long as AMPS are rated by Moody's, in managing the Corporation's
portfolio, the Adviser will not alter the composition of the Corporation's
portfolio if, in the reasonable belief of the Adviser, the effect of any such
alteration would be to cause the Corporation to have Moody's Eligible Assets
with an aggregate Discounted Value, as of the immediately preceding Valuation
Date, less than the AMPS Basic Maintenance Amount as of such Valuation Date;
provided, however, that in the event that, as of the immediately preceding
Valuation Date, the aggregate Discounted Value of Moody's Eligible Assets
exceeded the AMPS Basic Maintenance Amount by five percent or less, the Adviser
will not alter the composition of the Corporation's portfolio in a manner
reasonably expected to reduce the aggregate Discounted Value of Moody's Eligible
Assets unless the Corporation shall have confirmed that, after giving effect to
such alteration, the aggregate Discounted Value of Moody's Eligible Assets would
exceed the AMPS Basic Maintenance Amount.

     8.  Certain Other Restrictions and Requirements.
         -------------------------------------------
     (a) For so long as any shares of AMPS are rated by S&P, the Corporation
will not purchase or sell futures contracts, write, purchase or sell options on
futures contracts or write put options (except covered put options) or call
options (except covered call options) on portfolio securities unless it receives
written confirmation from S&P that engaging in such transactions

                                       62
<PAGE>

will not impair the ratings then assigned to the shares of AMPS by S&P, except
that the Corporation may purchase or sell futures contracts based on the Bond
Buyer Municipal Bond Index (the "Municipal Index") or United States Treasury
Bonds or Notes ("Treasury Bonds") and write, purchase or sell put and call
options on such contracts (collectively, "S&P Hedging Transactions"), subject to
the following limitations:

          (i) the Corporation will not engage in any S&P Hedging Transaction
based on the Municipal Index (other than transactions which terminate a futures
contract or option held by the Corporation by the Corporation's taking an
opposite position thereto ("Closing Transactions")), which would cause the
Corporation at the time of such transaction to own or have sold the least of (A)
more than 1,000 outstanding futures contracts based on the Municipal Index, (B)
outstanding futures contracts based on the Municipal Index exceeding in number
25% of the quotient of the Market Value of the Corporation's total assets
divided by $1,000 or (C) outstanding futures contracts based on the Municipal
Index exceeding in number 10% of the average number of daily traded futures
contracts based on the Municipal Index in the 30 days preceding the time of
effecting such transaction as reported by The Wall Street Journal;
                                          -----------------------

          (ii) the Corporation will not engage in any S&P Hedging Transaction
based on Treasury Bonds (other than Closing Transactions) which would cause the
Corporation at the time of such transaction to own or have sold the lesser of
(A) outstanding futures contracts based on Treasury Bonds exceeding in number
50% of the quotient of the Market Value of the Corporation's total assets
divided by $100,000 ($200,000 in the case of the two-year United States Treasury
Note) or (B) outstanding futures contracts based on Treasury Bonds exceeding in
number 10% of the average number of daily traded futures contracts based on
Treasury Bonds in

                                       63
<PAGE>

the 30 days preceding the time of effecting such transaction as reported by
The Wall Street Journal;
- -----------------------

          (iii)the Corporation will engage in Closing Transactions to close
out any outstanding futures contract which the Corporation owns or has sold or
any outstanding option thereon owned by the Corporation in the event (A) the
Corporation does not have S&P Eligible Assets with an aggregate Discounted Value
equal to or greater than the AMPS Basic Maintenance Amount on two consecutive
Valuation Dates and (B) the Corporation is required to pay Variation Margin on
the second such Valuation Date;

          (iv) the Corporation will engage in a Closing Transaction to close out
any outstanding futures contract or option thereon in the month prior to the
delivery month under the terms of such futures contract or option thereon unless
the Corporation holds the securities deliverable under such terms; and

          (v)  when the Corporation writes a futures contract or option thereon,
it will either maintain an amount of cash, cash equivalents or high grade (rated
A or better by S&P), fixed-income securities in a segregated account with the
Corporation's custodian, so that the amount so segregated plus the amount of
Initial Margin and Variation Margin held in the account of or on behalf of the
Corporation's broker with respect to such futures contract or option equals the
Market Value of the futures contract or option, or, in the event the Corporation
writes a futures contract or option thereon which requires delivery of an
underlying security, it shall hold such underlying security in its portfolio.

                                       64
<PAGE>

     For purposes of determining whether the Corporation has S&P Eligible Assets
with a Discounted Value that equals or exceeds the AMPS Basic Maintenance
Amount, the Discounted Value of cash or securities held for the payment of
Initial Margin or Variation Margin shall be zero and the aggregate Discounted
Value of S&P Eligible Assets shall be reduced by an amount equal to (i) 30% of
the aggregate settlement value, as marked to market, of any outstanding futures
contracts based on the Municipal Index which are owned by the Corporation plus
(ii) 25% of the aggregate settlement value, as marked to market, of any
outstanding futures contracts based on Treasury Bonds which contracts are owned
by the Corporation.

     (b) For so long as any shares of AMPS are rated by Moody's, the Corporation
will not buy or sell futures contracts, write, purchase or sell call options on
futures contracts or purchase put options on futures contracts or write call
options (except covered call options) on portfolio securities unless it receives
written confirmation from Moody's that engaging in such transactions would not
impair the ratings then assigned to the shares of AMPS by Moody's, except that
the Corporation may purchase or sell exchange-traded futures contracts based on
the Municipal Index or Treasury Bonds and purchase, write or sell exchange-
traded put options on such futures contracts and purchase, write or sell
exchange-traded call options on such futures contracts (collectively, "Moody's
Hedging Transactions"), subject to the following limitations:

          (i) the Corporation will not engage in any Moody's Hedging Transaction
based on the Municipal Index (other than Closing Transactions) which would cause
the Corporation at the time of such transaction to own or have sold (A)
outstanding futures contracts based on the Municipal Index exceeding in number
10% of the average number of daily traded futures contracts based on the
Municipal Index in the 30 days preceding the time of effecting

                                       65
<PAGE>

such transaction as reported by The Wall Street Journal or (B) outstanding
                                -----------------------
futures contracts based on the Municipal Index having a Market Value exceeding
50% of the Market Value of all Municipal Bonds constituting Moody's Eligible
Assets owned by the Corporation (other than Moody's Eligible Assets already
subject to a Moody's Hedging Transaction);

          (ii) the Corporation will not engage in any Moody's Hedging
Transaction based on Treasury Bonds (other than Closing Transactions) which
would cause the Corporation at the time of such transaction to own or have sold
(A) outstanding futures contracts based on Treasury Bonds having an aggregate
Market Value exceeding 20% of the aggregate Market Value of Moody's Eligible
Assets owned by the Corporation and rated Aa by Moody's (or, if not rated by
Moody's but rated by S&P, rated AAA by S&P) or (B) outstanding futures contracts
based on Treasury Bonds having an aggregate Market Value exceeding 40% of the
aggregate Market Value of all Municipal Bonds constituting Moody's Eligible
Assets owned by the Corporation (other than Moody's Eligible Assets already
subject to a Moody's Hedging Transaction) and rated Baa or A by Moody's (or, if
not rated by Moody's but rated by S&P, rated A or AA by S&P) (for purposes of
the foregoing clauses (i) and (ii), the Corporation shall be deemed to own the
number of futures contracts that underlie any outstanding options written by the
Corporation);

          (iii)  the Corporation will engage in Closing Transactions to close
out any outstanding futures contract based on the Municipal Index if the amount
of open interest in the Municipal Index as reported by The Wall Street Journal
                                                       -----------------------
is less than 5,000;

                                       66
<PAGE>

          (iv) the Corporation will engage in a Closing Transaction to close out
any outstanding futures contract by no later than the fifth Business Day of the
month in which such contract expires and will engage in a Closing Transaction to
close out any outstanding option on a futures contract by no later than the
first Business Day of the month in which such option expires;

          (v)  the Corporation will engage in Moody's Hedging Transactions only
with respect to futures contracts or options thereon having the next settlement
date or the settlement date immediately thereafter;

          (vi) the Corporation will not engage in options and futures
transactions for leveraging or speculative purposes and will not write any call
options or sell any futures contracts for the purpose of hedging the anticipated
purchase of an asset prior to completion of such purchase; and

          (vii)the Corporation will not enter into an option or futures
transaction unless, after giving effect thereto, the Corporation would continue
to have Moody's Eligible Assets with an aggregate Discounted Value equal to or
greater than the AMPS Basic Maintenance Amount.

     For purposes of determining whether the Corporation has Moody's Eligible
Assets with an aggregate Discounted Value that equals or exceeds the AMPS Basic
Maintenance Amount, the Discounted Value of Moody's Eligible Assets which the
Corporation is obligated to deliver or receive pursuant to an outstanding
futures contract or option shall be as follows:  (i) assets subject to call
options written by the Corporation which are either exchange-traded and "readily
reversible" or which expire within 49 days after the date as of which such
valuation is made shall

                                       67
<PAGE>

be valued at the lesser of (a) Discounted Value and (b) the exercise price of
the call option written by the Corporation; (ii) assets subject to call options
written by the Corporation not meeting the requirements of clause (i) of this
sentence shall have no value; (iii) assets subject to put options written by the
Corporation shall be valued at the lesser of (A) the exercise price and (B) the
Discounted Value of the subject security; (iv) futures contracts shall be valued
at the lesser of (A) settlement price and (B) the Discounted Value of the
subject security, provided that, if a contract matures within 49 days after the
date as of which such valuation is made, where the Corporation is the seller the
contract may be valued at the settlement price and where the Corporation is the
buyer the contract may be valued at the Discounted Value of the subject
securities; and (v) where delivery may be made to the Corporation with any
security of a class of securities, the Corporation shall assume that it will
take delivery of the security with the lowest Discounted Value.

     For purposes of determining whether the Corporation has Moody's Eligible
Assets with an aggregate Discounted Value that equals or exceeds the AMPS Basic
Maintenance Amount, the following amounts shall be subtracted from the aggregate
Discounted Value of the Moody's Eligible Assets held by the Corporation:  (i)
10% of the exercise price of a written call option; (ii) the exercise price of
any written put option; (iii) where the Corporation is the seller under a
futures contract, 10% of the settlement price of the futures contract; (iv)
where the Corporation is the purchaser under a futures contract, the settlement
price of assets purchased under such futures contract; (v) the settlement price
of the underlying futures contract if the Corporation writes put options on a
futures contract; and (vi) 105% of the Market Value of the underlying

                                       68
<PAGE>

futures contracts if the Corporation writes call options on a futures contract
and does not own the underlying contract.

     (c) For so long as any shares of AMPS are rated by Moody's, the Corporation
will not enter into any contract to purchase securities for a fixed price at a
future date beyond customary settlement time (other than such contracts that
constitute Moody's Hedging Transactions that are permitted under paragraph 8(b)
of these Articles Supplementary), except that the Corporation  may enter into
such contracts to purchase newly-issued securities on the date such securities
are issued ("Forward Commitments"), subject to the following limitations:

          (i)  the Corporation will maintain in a segregated account with its
custodian cash, cash equivalents or short-term, fixed-income securities rated P-
1, MIG-1 or VMIG-1 by Moody's and maturing prior to the date of the Forward
Commitment with a Market Value that equals or exceeds the amount of the
Corporation's obligations under any Forward Commitments to which it is from time
to time a party or long-term fixed income securities with a Discounted Value
that equals or exceeds the amount of the Corporation's obligations under any
Forward Commitment to which it is from time to time a party; and

          (ii) the Corporation will not enter into a Forward Commitment unless,
after giving effect thereto, the Corporation would continue to have Moody's
Eligible Assets with an aggregate Discounted Value equal to or greater than the
AMPS Basic Maintenance Amount.

     For purposes of determining whether the Corporation has Moody's Eligible
Assets with an aggregate Discounted Value that equals or exceeds the AMPS Basic
Maintenance Amount,

                                       69
<PAGE>

the Discounted Value of all Forward Commitments to which the Corporation is a
party and of all securities deliverable to the Corporation pursuant to such
Forward Commitments shall be zero.

          (d) For so long as shares of AMPS are rated by S&P or Moody's, the
Corporation will not, unless it has received written confirmation from S&P
and/or Moody's, as the case may be, that such action would not impair the
ratings then assigned to shares of AMPS by S&P and/or Moody's, as the case may
be, (i) borrow money except for the purpose of clearing transactions in
portfolio securities (which borrowings shall under any circumstances be limited
to the lesser of $10 million and an amount equal to 5% of the Market Value of
the Corporation's assets at the time of such borrowings and which borrowings
shall be repaid within 60 days and not be extended or renewed and shall not
cause the aggregate Discounted Value of Moody's Eligible Assets and S&P Eligible
Assets to be less than the AMPS Basic Maintenance Amount), (ii) engage in short
sales of securities, (iii) lend any securities, (iv) issue any class or series
of stock ranking prior to or on a parity with the AMPS with respect to the
payment of dividends or the distribution of assets upon dissolution, liquidation
or winding up of the Corporation, (v) reissue any AMPS previously purchased or
redeemed by the Corporation, (vi) merge or consolidate into or with any other
corporation or entity, (vii) change the Pricing Service or (viii)   engage in
reverse repurchase agreements.

          (e)  For so long as AMPS are rated by Moody's, the Corporation agrees
to provide Moody's with the following, unless the Corporation has received
written confirmation from Moody's that the provision of such information is no
longer required and that the current rating then assigned to the AMPS by Moody's
would not be impaired:  a notification letter at least 30 days prior to any
material change in the Charter; a copy of the AMPS Basic Maintenance Report

                                       70
<PAGE>

prepared by the Corporation in accordance with these Articles Supplementary; and
a notice upon the occurrence of any of the following events: (i) any failure by
the Corporation to declare or pay dividends on the AMPS or successfully remarket
the AMPS; (ii) any mandatory or optional redemption of the AMPS effected by the
Corporation; (iii) any assumption of control of the Board of Directors of the
Corporation by the holders of AMPS; (iv) a general unavailability of dealer
quotes on the assets of the Corporation; (v) of any material auditor
discrepancies on valuations; (vi) the dividend rate on the AMPS equals or
exceeds 95% of the Aaa Composite Commercial Paper Rate; (vii) the occurrence of
any Special Dividend Period; (viii) any change in the Maximum Applicable Rate or
the Reference Rate, (ix) the acquisition by any person of beneficial ownership
of more than 5% of the Corporation's voting stock (inclusive of Common Stock and
Preferred Stock); (x) the occurrence of any change in Internal Revenue Service
rules with respect to the payment of Additional Dividends; (xi) any change in
the Pricing Service employed by the Corporation; (xii) any change in the
Investment Adviser; (xiii) any increase of greater than 40% to the maximum
marginal Federal income tax rate applicable to individuals or corporations; and
(xiv) the maximum marginal Federal income tax rate applicable to individuals or
corporations is increased to a rate in excess of 50%.

     9.  Notice.  All notices or communications, unless otherwise specified in
         ------
the By-Laws of the Corporation or these Articles Supplementary, 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 seven days after which such notice is mailed.

                                       71
<PAGE>

     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)   "AMPS" means the shares of AMPS 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 AMPS" 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 (i) the lower of the credit rating or ratings assigned on
such date to such shares by Moody's and S&P (or if Moody's or S&P or both shall
not make such rating available, the equivalent of either or both of such ratings
by a Substitute Rating Agency or two Substitute Rating Agencies or, in the event
that only one such rating shall be available, such rating) and (ii) whether the
Corporation 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 AMPS as follows:

                                       72
<PAGE>

<TABLE>
<CAPTION>
                Credit Ratings                    Applicable Percentage     Applicable Percentage
                --------------                     of Reference Rate -       of Reference Rate -
     Moody's                     S&P                 No Notification            Notification
- -----------------          -----------------         ---------------            ------------
<S>                         <C>                         <C>                        <C>
"aa3" or higher              AA- or higher                  110%                      150%
"a3"  to "a1"                A-  to A+                      125%                      160%
"baa3" to "baa1"             BBB- to BBB+                   150%                      250%
Below "baa3"                 Below BBB-                     200%                      275%
</TABLE>

     The Corporation shall take all reasonable action necessary to enable S&P
and Moody's to provide a rating for the AMPS.  If either S&P or Moody's shall
not make such a rating available, or neither S&P nor Moody's shall make such a
rating available, Merrill Lynch, Pierce, Fenner & Smith Incorporated or its
affiliates and successors, after consultation with the Corporation, shall select
a nationally recognized statistical rating organization or two nationally
recognized statistical rating organizations to act as a Substitute Rating Agency
or Substitute Rating Agencies, as the case may be.

          (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 1:00 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.

                                       73
<PAGE>

          (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 Corporation, 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 AMPS 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

                                       74
<PAGE>

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 AMPS 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 AMPS 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 AMPS 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 AMPS 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.

                                       75
<PAGE>

     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, 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 AMPS 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

                                       76
<PAGE>

          (2)  such number or a lesser number of Outstanding shares of AMPS 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

          (3)  a lesser number of Outstanding shares of AMPS 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 AMPS specified in such
          Sell Order; or

               (2)  such number or a lesser number of Outstanding shares of AMPS
          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 AMPS 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 AMPS
          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.

                                       77
<PAGE>

     (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 Corporation) 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 Corporation);

          (B)  the aggregate number of Outstanding shares of AMPS 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 AMPS subject to
          any Hold Order placed by such Existing Holder;

               (2)  the number of Outstanding shares, if any, of AMPS 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 AMPS subject to
          any Sell Order placed by such Existing Holder; and

                                       78
<PAGE>

          (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
AMPS 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 of 28 days or more) and a Sell Order (in the case of an Auction relating
to a Special Dividend Period of 28 days or more) to have been submitted on
behalf of such Existing Holder covering the number of Outstanding shares of AMPS
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 AMPS 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 AMPS 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 AMPS subject to such Hold Orders exceeds the
          number of Outstanding shares of AMPS

                                       79
<PAGE>

          held by such Existing Holder, the number of shares of AMPS 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 AMPS 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 AMPS held by such Existing Holder over the number of shares
          of AMPS 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 AMPS held by such
          Existing Holder over the number of shares of AMPS subject to Hold
          Orders referred to in paragraph

                                       80
<PAGE>

          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 AMPS subject to such Sell
          Orders is greater than such excess, the number of shares of AMPS
          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 AMPS 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 AMPS 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:

                                       81
<PAGE>

          (A)  the excess of the total number of Outstanding shares of AMPS over
          the number of Outstanding shares of AMPS that are the subject of
          Submitted Hold Orders (such excess being hereinafter referred to as
          the "Available AMPS");

          (B) from the Submitted Orders whether the number of Outstanding shares
          of AMPS 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 AMPS 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 AMPS that are subject to
          Submitted Sell Orders (if such excess or such equality exists (other
          than because the number of Outstanding shares of AMPS in clause (1)
          above and this clause (2) are each zero because all of the Outstanding
          shares of AMPS 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

                                       82
<PAGE>

          rates per annum were rejected, thus entitling such Existing Holders to
          continue to hold the shares of AMPS 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 AMPS 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 AMPS.

          (ii)  Promptly after the Auction Agent has made the determinations
pursuant to paragraph 10(d)(i), the Auction Agent shall advise the Corporation
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 AMPS 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 AMPS are the subject of
          Submitted Hold Orders, that the Dividend Period next succeeding the
          Auction shall automatically

                                       83
<PAGE>

          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
          Corporation 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 AMPS) 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 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 AMPS that are the subject of such Submitted Sell
          Order or Submitted Bid;

                                       84
<PAGE>

          (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 AMPS 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 AMPS that are the subject of such Submitted
          Bid, unless the number of Outstanding shares of AMPS subject to all
          such Submitted Bids shall be greater than the number of Outstanding
          shares of AMPS ("Remaining Shares") equal to the excess of the
          Available AMPS over the number of Outstanding shares of AMPS 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 AMPS, but only in an amount
          equal to the difference between (1) the number of Outstanding shares
          of AMPS then held by such Existing Holder subject to such Submitted
          Bid and (2) the number of shares of AMPS 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 AMPS held by such
          Existing Holder subject to such Submitted Bid and the denominator of
          which shall be the sum of the

                                       85
<PAGE>

          number of Outstanding shares of AMPS 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
          AMPS obtained by multiplying (x) the difference between the Available
          AMPS and the number of Outstanding shares of AMPS 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 AMPS subject to such Submitted
          Bid and the denominator of which shall be the sum of the number of
          Outstanding shares of AMPS subject to such 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 AMPS 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

                                       86
<PAGE>

          entitling such Existing Holder to continue to hold the Outstanding
          shares of AMPS 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 AMPS 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 AMPS then held by such
          Existing Holder subject to such Submitted Bid or Submitted Sell Order
          and (2) the number of shares of AMPS obtained by multiplying (x) the
          difference between the Available AMPS and the aggregate number of
          Outstanding shares of AMPS 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
          AMPS 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 AMPS 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

                                       87
<PAGE>

would be entitled or required to purchase, a fraction of a share of AMPS 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 AMPS to be
purchased or sold by any Existing Holder or Potential Holder on such Auction
Date so that each Outstanding share of AMPS purchased or sold by each Existing
Holder or Potential Holder on such Auction Date shall be a whole share of AMPS.

          (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 AMPS on any Auction Date, the Auction Agent shall, in such
manner as in its sole discretion it shall determine, allocate shares of AMPS for
purchase among Potential Holders so that only whole shares of AMPS 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 AMPS 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 AMPS to be purchased and the aggregate number of the
Outstanding shares of AMPS 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 AMPS.

                                       88
<PAGE>

     (f)  Miscellaneous.  The Corporation 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 AMPS.  A Beneficial Owner or an
Existing Holder (A) may sell, transfer or otherwise dispose of shares of AMPS
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 AMPS 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 Corporation 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 AMPS to any Person other than the Corporation.
All of the Outstanding shares of AMPS 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 Corporation's option and upon its
receipt of such documents as it deems appropriate, any shares of AMPS 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.

                                       89
<PAGE>

    11.   Securities Depository; Stock Certificates.  (a)  If there is a
          -----------------------------------------
Securities Depository, one certificate for all of the shares of AMPS 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 AMPS.  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 AMPS contained in these Articles Supplementary.
Unless the Corporation shall have elected, during a Non-Payment Period, to waive
this requirement, the Corporation will also issue stop-transfer instructions to
the Auction Agent for the shares of AMPS.  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 AMPS shall be the
Non-Payment Period Rate or there is no Securities Depository, the Corporation
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.

                                       90
<PAGE>

     IN WITNESS WHEREOF, MUNIHOLDINGS MICHIGAN INSURED FUND II, INC. has caused
these presents to be signed in its name and on its behalf by a duly authorized
officer, and attested by its Secretary, and the said officers of the Corporation
further acknowledge said instrument to be the corporate act of the Corporation,
and state under penalties of perjury that to the best of their knowledge,
information and belief the matters and facts herein set forth with respect to
approval are true in all material respects, all on          , 1999.

                              MUNIHOLDINGS MICHIGAN INSURED
                                    FUND II, INC.

                              By  ____________________________

                                    Vice President

Attest:

___________________________
  Bradley J. Lucido
  Secretary

                                       91

<PAGE>
                                                                     EXHIBIT (L)

                               BROWN & WOOD LLP
                            One World Trade Center
                        New York, New York 10048-0557
                           Telephone (212) 839-5300
                           Facsimile (212) 839-5599

                                                              September 21, 1999

MuniHoldings Michigan Insured Fund II, Inc.
800 Scudders Mill Road
Plainsboro, New Jersey 08536

Dear Sirs and Mesdames:

        This opinion is being furnished in connection with the registration by
MuniHoldings Michigan Fund II, Inc., a Maryland corporation (the "Fund"), of
1,360 shares of Auction Market Preferred Stock, par value $0.10 per share, (the
"Shares"), under the Securities Act of 1933, as amended (the "Securities Act"),
pursuant to the Fund's registration statement on Form N-2, as amended (the
"Registration Statement"), under the Securities Act. The Shares will be issued
pursuant to the Articles Supplementary (the "Articles Supplementary") to be
filed with the State Department of Assessments and Taxation of Maryland (the
"State Department").

        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 Articles of Incorporation
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 shares of preferred stock 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/ Brown & Wood

<PAGE>
                                                                     EXHIBIT (n)

                        CONSENT OF INDEPENDENT AUDITORS

We consent to the reference to our firm under the caption "Experts" and to the
use of our report dated August 31, 1999, in this Registration Statement on
Form N-2 under the Securities Act of 1933 (File No. 3333-86723) and under the
Investment Company Act of 1940 (File No. 811-09483) and related Prospectus of
MuniHoldings Michigan Insured Fund II, Inc. for the registration of shares of
its Auction Market Preferred Stock.


                                                /s/ Ernst & Young LLP

MetroPark, New Jersey
September 20, 1999

<TABLE> <S> <C>

<PAGE>

<ARTICLE> 6

<S>                             <C>
<PERIOD-TYPE>                   OTHER
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             SEP-17-1999
<PERIOD-END>                               SEP-17-1999
<INVESTMENTS-AT-COST>                         49060602
<INVESTMENTS-AT-VALUE>                        49081519
<RECEIVABLES>                                 51880532
<ASSETS-OTHER>                                       0
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<OTHER-ITEMS-LIABILITIES>                       137569
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<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        3400000
<NUMBER-OF-SHARES-REDEEMED>                          0
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                        50907213
<ACCUMULATED-NII-PRIOR>                              0
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<INTEREST-EXPENSE>                                   0
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<AVERAGE-NET-ASSETS>                           5100728
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