INVESTMENT GRADE MUNICIPAL INCOME FUND INC
PRES14A, 1996-02-08
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<PAGE>
                            SCHEDULE 14A INFORMATION
                  Proxy Statement Pursuant to Section 14(a) of
           the Securities and Exchange Act of 1934 (Amendment No.   )

    Filed by the Registrant  /X/

    Filed by a Party other than the Registrant  / /

    Check appropriate box:
    /X/  Preliminary Proxy Statement

    / /  Confidential,  for Use  of the  Commission Only  (as permitted  by Rule
         14a-6(e)(2))

    / /  Definitive Proxy Statement

    / /  Definitive Additional Materials

    / /  Soliciting  Material  Pursuant  to  Section  240.14a-11(c)  or  Section
         240.14a-12

         Investment Grade Municipal Income Fund Inc.
        PaineWebber Premier Insured Municipal Income Fund Inc.
________________________________________________________________________________
                (Name of Registrant as Specified In Its Charter)
________________________________________________________________________________
    (Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

/X/  $125  per Exchange  Act Rules  0-11(c)(1)(ii), 14a-6(i)(1),  14a-6(i)(2) or
     Item 22(a)(2) of Schedule 14A.

/ /  $500 per  each party  to  the controversy  pursuant  to Exchange  Act  Rule
     14a-6(i)(3).

/ /  Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.

    1)  Title of each class of securities to which transaction applies:
        ________________________________________________________________________

    2)  Aggregate number of securities to which transaction applies:
        ________________________________________________________________________

    3)  Per  unit  price  or  other  underlying  value  of  transaction computed
        pursuant to Exchange Act  Rule 0-11 (Set forth  the amount on which  the
        filing fee is calculated and state how it was determined):
        ________________________________________________________________________

    4)  Proposed maximum aggregate value of transaction:
        ________________________________________________________________________

    5)  Total fee paid:
        ________________________________________________________________________

/ /  Fee paid previously with preliminary materials.

/ /  Check box if any part of the fee is offset as provided by Exchange Act Rule
     0-11(a)(2)  and identify the  filing for which the  offsetting fee was paid
     previously. Identify the previous filing by registration statement  number,
     or the Form or Schedule and the date of its filing.

    1)  Amount Previously Paid:
        ________________________________________________________________________

    2)  Form, Schedule or Registration Statement No.:
        ________________________________________________________________________

    3)  Filing Party:
        ________________________________________________________________________

    4)  Date Filed:
        ________________________________________________________________________
<PAGE>
                  INVESTMENT GRADE MUNICIPAL INCOME FUND INC.
             PAINEWEBBER PREMIER INSURED MUNICIPAL INCOME FUND INC.
               (DOING BUSINESS AS INSURED MUNICIPAL INCOME FUND)

                          1285 Avenue of the Americas
                            New York, New York 10019

                                                               February   , 1996

Dear Shareholder:

    Enclosed  is  a proxy  statement  asking you  to  vote in  favor  of several
proposals relating to the management and operation of your Fund.

    After we  acquired  the Kidder,  Peabody  mutual funds  last  February,  our
enlarged  menu of funds was confusing --  too many had overlapping objectives or
were too narrowly  focused. During 1995,  we consolidated many  of our funds  by
focusing on those types of funds most investors want. This consolidation allowed
us  to lower  expense ratios (in  most cases)  and to clarify  fund names. These
votes are the final phase of that fund consolidation.

    Special  meetings  of  Investment  Grade  Municipal  Income  Fund  Inc.  and
PaineWebber  Premier  Insured  Municipal  Income Fund  Inc.  (doing  business as
Insured Municipal Income  Fund) are  being held on  April 11,  1996 to  consider
these proposals and to transact any other business that may properly come before
the meetings. In the past, when we have solicited proxies for your Fund, we have
enclosed  a proxy  statement directed solely  to the shareholders  of your Fund.
This time, however, shareholders of both  Funds are being asked to approve  some
of  the same proposals,  so most of the  information that must  be included in a
proxy statement for your Fund needs to be included in a proxy statement for  the
other  Fund as well. Therefore, in order  to save money, one proxy statement has
been prepared for both Funds. This proxy statement contains detailed information
about each of the  proposals relating to  your Fund, and  we recommend that  you
read  it carefully.  However, we have  also attached some  Questions and Answers
that we hope will assist you in evaluating the proposals.

    We have retained an outside firm  that specializes in proxy solicitation  to
assist us with any necessary follow-up. If we have not received your vote as the
meeting  date  approaches, you  may receive  a  telephone call  from Shareholder
Communications Corporation to ask  for your vote. We  hope that their  telephone
call does not inconvenience you.

    Thank  you  for  your  attention  to this  matter  and  for  your continuing
investment in the Funds.

                                          Very truly yours,

                                          Margo N. Alexander
                                          PRESIDENT

 PROXY CARDS  FOR  EACH  OF  YOUR  FUNDS ARE  ENCLOSED  ALONG  WITH  THE  PROXY
 STATEMENT.  PLEASE  VOTE  YOUR  SHARES TODAY  BY  SIGNING  AND  RETURNING EACH
 ENCLOSED PROXY CARD  IN THE POSTAGE  PREPAID ENVELOPE PROVIDED.  THE BOARD  OF
 YOUR FUND RECOMMENDS THAT YOU VOTE "FOR" EACH PROPOSAL.
<PAGE>
                             QUESTIONS AND ANSWERS

Q: WHAT IS THE PURPOSE OF THIS PROXY SOLICITATION?

A: The purpose of this proxy is to ask you to vote on two primary issues:

       -to elect eleven Board members, and

       -to approve changes to your Fund's fundamental investment restrictions.

    In  addition, shareholders  of PaineWebber Premier  Insured Municipal Income
    Fund Inc. are being asked to approve an amendment to the Fund's Articles  of
    Incorporation  that would  change the  formal name  of the  Fund to "Insured
    Municipal Income Fund Inc." The Fund has been doing business under the  name
    "Insured Municipal Income Fund" since August, 1995.

Q: WHY AM I RECEIVING PROXY INFORMATION ON A FUND THAT I DO NOT OWN?

A: In the past, when we have solicited proxies for your Fund, we have enclosed a
    proxy statement directed solely to the shareholders of your Fund. This time,
    however, shareholders of both of these Funds are being asked to approve some
    of the same proposals, so most of the information that must be included in a
    proxy  statement for your Fund needs to be included in a proxy statement for
    the other  Fund  as well.  Therefore,  in order  to  save money,  one  proxy
    statement has been prepared for both Funds.

Q: WHY ARE YOU RECOMMENDING A UNIFIED BOARD FOR THE FUNDS?

A:  A  Corporate Governance  Task Force,  comprised  of a  number of  the Funds'
    existing Board  Members,  assisted  by  Mitchell  Hutchins  representatives,
    recommended  to the  Fund Boards,  and they  agreed, that  PaineWebber funds
    should be governed by larger Boards  composed of the same members. The  Task
    Force  concluded that this  "unified" Board structure  benefits the Funds by
    creating a diverse, experienced  group of Board  Members who understand  the
    operations  of the PaineWebber funds and are  exposed to the wide variety of
    issues that arise from overseeing different types of funds.

Q: WHY HAS THE BOARD BEEN EXPANDED TO ELEVEN MEMBERS?

A: At the  recommendation of the  Corporate Governance Task  Force, each  Fund's
    Board  has been expanded to  include eleven members, eight  of whom would be
    independent. As before, two of each Fund's Board Members would be elected by
    the holders of the Fund's Auction Preferred Shares, and the remainder of the
    Board Members would  be elected by  all of the  Fund's shareholders,  voting
    together.

    The  Task Force considered  issues relating to  the management and long-term
    welfare of the  Funds. It recommended,  and the Boards  agreed to adopt,  an
    expanded  Board as  part of  an overall plan  to coordinate  and enhance the
    efficiency of the governance of the Funds. Expanding the size of the  Boards
    is  intended  to  facilitate  the  increased  use  of  Board  committees for
    different purposes, including the periodic review of the Funds'  contractual
    and   audit  arrangements.   The  Fund   Boards  approved   the  Task  Force
    recommendations and nominated  eleven individuals drawn  primarily from  the
    existing Boards.

Q: WILL THE PROPOSED CHANGES RESULT IN HIGHER ADVISORY FEES?

A: No. The advisory and administrative fees charged to each Fund will remain the
    same.

Q:  WHAT  ARE  "FUNDAMENTAL" INVESTMENT  RESTRICTIONS,  AND WHY  ARE  THEY BEING
    CHANGED?

A: A Fund's "fundamental"  investment restrictions are  limitations placed on  a
    Fund's investment policies that can be changed only by a shareholder vote --
    EVEN  IF THE CHANGES ARE MINOR. The law requires certain investment policies
    to be designated as fundamental. Each  Fund adopted a number of  fundamental
    investment  restrictions  when  the  Fund was  created,  and  many  of those
<PAGE>
    fundamental  restrictions   reflect   regulatory,   business   or   industry
    conditions,  practices or requirements that are  no longer in effect. Others
    reflect regulatory requirements that, while still in effect, do not need  to
    be classified as fundamental restrictions.

    The  Funds' Boards believe that fundamental investment restrictions that are
    not legally required should be eliminated and that the remaining fundamental
    restrictions should be modernized and made more uniform. The Boards  believe
    that  the proposed changes to the Funds' fundamental investment restrictions
    will provide greater flexibility. The  proposed changes also will  eliminate
    minor differences in wording that may give rise to unintended differences in
    interpretation.

Q:  DO THE PROPOSED CHANGES TO  FUNDAMENTAL INVESTMENT RESTRICTIONS MEAN THAT MY
    FUND'S INVESTMENT OBJECTIVE IS BEING CHANGED?

A: No. None  of the proposals  would change the  investment objective of  either
    Fund.

Q:  WHAT WILL  BE THE EFFECT  OF THE  PROPOSED CHANGES TO  MY FUND'S FUNDAMENTAL
    RESTRICTIONS?

A: The Boards do not believe that the proposed changes to fundamental investment
    restrictions will result at this time in  a material change in the level  of
    investment  risk for either Fund. However,  the changes will allow each Fund
    greater flexibility to respond to future investment opportunities by  making
    changes  in non-fundamental investment policies that,  at a future time, its
    Board considers  desirable. A  shareholder vote  will not  be necessary  for
    future changes to non-fundamental investment policies or restrictions.

Q: WHAT ARE MY BOARD'S RECOMMENDATIONS?

A:  The Board of each Fund has recommended  that you vote "FOR" the nominees for
    Board Member and "FOR" each Proposal that applies to your Fund.

    THE ATTACHED PROXY STATEMENT CONTAINS  MORE DETAILED INFORMATION ABOUT  EACH
    OF THE PROPOSALS RELATING TO YOUR FUND. PLEASE READ IT CAREFULLY.
<PAGE>
                  INVESTMENT GRADE MUNICIPAL INCOME FUND INC.
             PAINEWEBBER PREMIER INSURED MUNICIPAL INCOME FUND INC.
              (DOING BUSINESS AS "INSURED MUNICIPAL INCOME FUND")

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

                   NOTICE OF SPECIAL MEETINGS OF SHAREHOLDERS
                          TO BE HELD ON APRIL 11, 1996

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

TO THE SHAREHOLDERS:

    Special  meetings of the shareholders of  each of Investment Grade Municipal
Income Fund  Inc. and  PaineWebber Premier  Insured Municipal  Income Fund  Inc.
(doing  business as "Insured  Municipal Income Fund") ("Funds")  will be held at
1285 Avenue of the Americas, 38th Floor,  New York, New York, on April 11,  1996
at  2:00  p.m.,  Eastern time,  for  the  purpose of  considering  the following
proposals with respect to the Funds:

    (1) For each Fund, for all of its shareholders to elect nine members of  its
       Board  of Directors to serve until the next annual meeting or until their
       successors are duly elected and qualified;

    (2) For each Fund, for the holders of the Fund's auction preferred shares to
       elect two  members of  its Board  of Directors  to serve  until the  next
       annual meeting or until their successors are duly elected and qualified;

    (3)  For each Fund, to approve certain changes to its fundamental investment
       restrictions and policies;

    (4) For PaineWebber Premier Insured Municipal Income Fund Inc., to amend its
       Articles of Incorporation to change its name to "Insured Municipal Income
       Fund Inc."; and

    (5) For each  Fund, to  transact such other  business as  may properly  come
       before the meetings and any adjournments thereof.

    You  are entitled to vote at the  meetings, and at any adjournments thereof,
of each Fund in which you owned shares at the close of business on February  16,
1996.  If you attend the meetings, you may vote your shares in person. IF YOU DO
NOT EXPECT TO ATTEND THE MEETINGS,  PLEASE COMPLETE, DATE, SIGN AND RETURN  EACH
ENCLOSED PROXY CARD IN THE ENCLOSED POSTAGE PAID ENVELOPE.

                                          By order of the Boards,

                                          DIANNE E. O'DONNELL
                                          SECRETARY
February   , 1996
1285 Avenue of the Americas
New York, New York 10019
<PAGE>
                             YOUR VOTE IS IMPORTANT
                        NO MATTER HOW MANY SHARES YOU OWN
    ENCLOSED YOU WILL FIND ONE OR MORE PROXY CARDS RELATING TO EACH OF THE FUNDS
FOR  WHICH YOU ARE ENTITLED TO VOTE. PLEASE INDICATE YOUR VOTING INSTRUCTIONS ON
EACH OF THE ENCLOSED  PROXY CARDS, DATE  AND SIGN THEM, AND  RETURN THEM IN  THE
ENVELOPE  PROVIDED. IF YOU SIGN, DATE AND RETURN A PROXY CARD BUT GIVE NO VOTING
INSTRUCTIONS, YOUR SHARES WILL BE VOTED "FOR" THE NOMINEES FOR DIRECTOR NAMED IN
THE ATTACHED PROXY  STATEMENT AND  "FOR" ALL  OTHER PROPOSALS  INDICATED ON  THE
CARDS.  IN  ORDER  TO AVOID  THE  ADDITIONAL  EXPENSE TO  THE  FUNDS  OF FURTHER
SOLICITATION, WE ASK YOUR COOPERATION IN  MAILING IN YOUR PROXY CARDS  PROMPTLY.
UNLESS  PROXY CARDS ARE  SIGNED BY THE  APPROPRIATE PERSONS AS  INDICATED IN THE
INSTRUCTIONS BELOW, THEY WILL NOT BE VOTED.

                      INSTRUCTIONS FOR SIGNING PROXY CARDS

    The following general rules for signing proxy cards may be of assistance  to
you  and avoid the time and expense to the Fund involved in validating your vote
if you fail to sign your proxy card properly.

    1.   Individual Accounts:   Sign  your name  exactly as  it appears  in  the
registration on the proxy card.

    2.   Joint  Accounts:   Either party  may sign,  but the  name of  the party
signing should conform  exactly to  the name shown  in the  registration on  the
proxy card.

    3.   All Other Accounts:   The capacity of  the individual signing the proxy
card should be indicated unless it is reflected in the form of registration. For
example:

<TABLE>
<CAPTION>
                               REGISTRATION                                             VALID SIGNATURE
- - - - ---------------------------------------------------------------------------  -------------------------------------

<S>                                                                          <C>
Corporate Accounts
    (1) ABC Corp...........................................................  ABC Corp.
                                                                             John Doe, Treasurer
    (2) ABC Corp...........................................................  John Doe, Treasurer
    (3) ABC Corp. c/o John Doe, Treasurer..................................  John Doe
    (4) ABC Corp. Profit Sharing Plan......................................  John Doe, Trustee

Partnership Accounts
    (1) The XYZ Partnership................................................  Jane B. Smith, Partner
    (2) Smith and Jones, Limited Partnership...............................  Jane B. Smith, General Partner

Trust Accounts
    (1) ABC Trust Account..................................................  Jane B. Doe, Trustee
    (2) Jane B. Doe, Trustee u/t/d 12/28/78................................  Jane B. Doe

Custodial or Estate Accounts
    (1) John B. Smith, Cust. f/b/o John B. Smith, Jr.
        UGMA/ UTMA.........................................................  John B. Smith
    (2) Estate of John B. Smith............................................  John B. Smith, Jr.
                                                                             Executor
</TABLE>
<PAGE>
                  INVESTMENT GRADE MUNICIPAL INCOME FUND INC.
             PAINEWEBBER PREMIER INSURED MUNICIPAL INCOME FUND INC.
              (DOING BUSINESS AS "INSURED MUNICIPAL INCOME FUND")

                          1285 Avenue of the Americas
                            New York, New York 10019

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

                                PROXY STATEMENT
         SPECIAL MEETINGS OF SHAREHOLDERS TO BE HELD ON APRIL 11, 1996

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

    This  proxy statement is being furnished  to holders of Shares of Investment
Grade Municipal  Income  Fund Inc.  and  PaineWebber Premier  Insured  Municipal
Income  Fund Inc. (doing business as  "Insured Municipal Income Fund") ("Funds")
in connection with the solicitation by their respective Boards of proxies to  be
used  at special meetings ("Meetings")  of Shareholders to be  held on April 11,
1996 at 2:00  p.m., Eastern time,  or any adjournment  or adjournments  thereof.
This  proxy statement is being first mailed to Shareholders on or about February
  , 1996.

    Each  Fund  is  a  registered,  management  investment  company  under   the
Investment Company Act of 1940, as amended ("1940 Act"), organized as a Maryland
corporation.  Shares  of  the  common stock  ("Common  Stock")  and  the auction
preferred shares  ("APS")  of  each  Fund  are  referred  to,  collectively,  as
"Shares," and the holders of the Shares are "Shareholders." Each Fund's board of
directors  is referred to as a "Board," and the directors are "Board Members." A
listing of the formal name  for each Fund and the  shorthand name for each  Fund
that is used in this proxy statement is set forth below.

<TABLE>
<CAPTION>
                                                                                         PROPOSALS
                                                               NAME AS USED IN THIS    APPLICABLE TO
FUND NAME                                                        PROXY STATEMENT           FUND
- - - - ------------------------------------------------------------  ----------------------  ---------------
<S>                                                           <C>                     <C>
Investment Grade Municipal Income Fund Inc..................  Investment Grade          1, 2 and 3
                                                               Income Fund
PaineWebber Premier Insured Municipal Income Fund Inc.......  Insured Municipal        1, 2, 3 and 4
                                                               Income Fund
</TABLE>

    Mitchell  Hutchins  Asset  Management  Inc.  ("Mitchell  Hutchins")  is  the
investment adviser  and administrator  for  each Fund.  Mitchell Hutchins  is  a
wholly  owned subsidiary of PaineWebber  Incorporated ("PaineWebber"), which, in
turn, is a wholly owned  subsidiary of Paine Webber  Group Inc. ("PW Group"),  a
publicly  held financial services holding company. PaineWebber has, from time to
time,  acted  as  a  dealer  and  secondary  market-maker  in  connection   with
over-the-counter  secondary market  sales of  each Fund's  Shares. The principal
business address of each of Mitchell Hutchins, PaineWebber and PW Group is  1285
Avenue of the Americas, New York, New York 10019.

                                       1
<PAGE>
                               VOTING INFORMATION

    For  each Fund, the  presence, in person or  by proxy, of  a majority of the
Shares of the Fund outstanding and entitled to vote will constitute a quorum for
the transaction of business at the Meetings.

    In the event that a quorum (including a quorum of a Fund's APS with  respect
to  the election of the two  Board Members who are to  be elected by the APS) is
not present  at a  Meeting,  or if  a  quorum is  present  at that  Meeting  but
sufficient  votes to approve any of the  proposals are not received, the persons
named as proxies may propose one or  more adjournments of the Meeting to  permit
further  solicitation of proxies.  Any adjournment will  require the affirmative
vote of a majority of  those Shares represented at the  Meeting in person or  by
proxy.  The persons  named as  proxies will  vote those  proxies which  they are
entitled to vote  FOR any proposal  in favor  of the adjournment  and will  vote
those proxies required to be voted AGAINST any proposal against the adjournment.
A  Shareholder vote may be taken  on one or more of  the proposals in this proxy
statement prior to any such adjournment  if sufficient votes have been  received
and it is otherwise appropriate.

    The  solicitation of proxies, the  cost of which will  be borne by the Funds
(and by the other funds within  the PaineWebber fund complex that currently  are
soliciting proxies on substantially the same matters), will be made primarily by
mail  but also may include telephone or oral communications by regular employees
of Mitchell  Hutchins or  PaineWebber,  who will  not receive  any  compensation
therefor   from  the  participating  funds,  or  by  Shareholder  Communications
Corporation, professional proxy solicitors retained by the participating  funds,
who  will be  paid aggregate  fees and  expenses of  approximately $         for
soliciting services.

    Broker non-votes  are  Shares held  in  street  name for  which  the  broker
indicates that instructions have not been received from the beneficial owners or
other  persons  entitled to  vote, and  the broker  does not  have discretionary
voting authority. Abstentions  and broker  non-votes will be  counted as  Shares
present  for purposes of determining whether a quorum is present but will not be
voted for or against any  adjournment or proposal. Accordingly, abstentions  and
broker  non-votes  will have  no  effect on  Proposals 1  and  2, for  which the
required vote is a plurality or majority of the votes cast, but effectively will
be a  vote against  adjournment and  against Proposals  3 and  4 for  which  the
required vote is a percentage of the Shares present or outstanding.

    The  individuals named as proxies  on the enclosed proxy  cards will vote in
accordance with  your direction  as indicated  thereon, if  your proxy  card  is
received   properly  executed  by  you  or  by  your  duly  appointed  agent  or
attorney-in-fact. If you give no voting instructions and are a holder of  Shares
of  a Fund's Common Stock, those Shares will  be voted FOR the nine nominees for
the Board Memberships  for which  the holders of  Common Stock  are entitled  to
vote,  as  discussed  in connection  with  Proposal  1; if  you  give  no voting
instructions and you are a  holder of a Fund's APS,  those Shares will be  voted
FOR  all  eleven  Board nominees  named  herein.  Also, if  you  give  no voting
instructions, your Shares of  both Common Stock  and APS will  be voted FOR  the
remaining proposals described in this proxy statement and relating to your Fund.
If  any nominee for  the Boards should withdraw  or otherwise become unavailable
for election,  your Shares  will be  voted in  favor of  such other  nominee  or
nominees  as management may recommend.  You may revoke any  proxy card by giving
another proxy  or  by letter  or  telegram revoking  the  initial proxy.  To  be
effective,  your revocation must  be received by  the Fund prior  to the related
Meeting and must  indicate your  name and account  number. In  addition, if  you
attend a Meeting in person you may, if you wish, vote by ballot at that Meeting,
thereby canceling any proxy previously given.

                                       2
<PAGE>
    Information  as to the number  of outstanding Shares of  each Fund as of the
record date, February 16, 1996 ("Record Date"), is set forth below:

<TABLE>
<CAPTION>
                                                                   NUMBER OF SHARES     NUMBER OF
                                                                   OF COMMON STOCK      SHARES OF
NAME OF FUND                                                         OUTSTANDING     APS OUTSTANDING
- - - - -----------------------------------------------------------------  ----------------  ----------------
<S>                                                                <C>               <C>
Investment Grade Income Fund.....................................
Insured Municipal Income Fund....................................
</TABLE>

    A listing of the  owners of more  than 5% of  the shares of  any Fund as  of
January 31, 1996 is set forth in Exhibit A.

    COPIES  OF EACH FUND'S MOST RECENT ANNUAL AND SEMI-ANNUAL REPORTS, INCLUDING
FINANCIAL  STATEMENTS,   HAVE  PREVIOUSLY   BEEN  DELIVERED   TO   SHAREHOLDERS.
SHAREHOLDERS  OF  EITHER  FUND MAY  REQUEST  COPIES  OF THAT  FUND'S  ANNUAL AND
SEMI-ANNUAL REPORTS BY  WRITING THE  FUND AT 1285  AVENUE OF  THE AMERICAS,  NEW
YORK, NEW YORK 10019, OR BY CALLING 1-800-647-1568.

    Except  as otherwise  indicated herein, all  of the outstanding  Shares of a
Fund's Common Stock and APS will vote together as a single class with respect to
each matter  proposed  to  be voted  upon  by  the Fund's  Shareholders  at  the
Meetings.  However, as described below in connection with Proposals 1 and 2, the
holders of each Fund's APS,  voting as a separate  class, are entitled to  elect
two  of their  respective Fund's  Board Members.  Each full  Share of  each Fund
outstanding is  entitled to  one vote  and each  fractional Share  of each  Fund
outstanding  is entitled to  a proportionate share  of one vote  with respect to
each matter to be voted upon by the  holders of the Common Stock or APS of  that
Fund.  Information about  the vote  necessary with  respect to  each proposal is
discussed below in connection with the proposal.

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

                 PROPOSALS 1 AND 2 -- ELECTION OF BOARD MEMBERS

    RELEVANT FUNDS.  Both Funds.

    DISCUSSION.  The Board of  each Fund has acted  to expand its membership  to
eleven  members and  has nominated the  eleven individuals  identified below for
election to the related Fund's  Board at its Meeting.  Under Proposals 1 and  2,
Shareholders  of each Fund are  being asked to vote  on those nominees. For each
Fund, holders of the  Fund's APS, voting  as a separate  class, are entitled  to
elect  two of that Fund's Board Members.  Margo N. Alexander and Meyer Feldberg,
each of whom currently is a member of each Fund's Board and has been elected  by
the  holders of that Fund's APS, have been nominated by the current Boards to be
elected to the Boards by the APS holders under Proposal 2. The other nine  Board
Members for each Fund will be elected by the holders of that Fund's Common Stock
and APS, voting together as a single class. Those nine nominees are listed below
and have been nominated by the current Boards to be elected to the Boards by the
Common  Stock and APS holders under Proposal 1. Pertinent information about each
nominee is set  forth in the  listing below and  in Exhibits B  through D.  Each
nominee  has  indicated a  willingness  to serve  if  elected. If  elected, each
nominee will hold office until the next annual meeting of Shareholders or  until
his  or her successor is duly elected and  qualified, or until he or she resigns
or is otherwise removed.

    The increase in the size of the Boards and the nomination of a single  group
of  nominees to serve as the Board Members for each Fund reflect an overall plan
to coordinate and enhance the efficiency of  the governance of the Funds and  of
certain  other  investment  companies  that are  part  of  the  PaineWebber fund
complex. This plan was developed by a Corporate Governance Task Force  comprised
of  a number of  current Board Members  who are not  "interested persons" of the
Funds, as defined in the 1940 Act ("independent" Board Members), with the advice
of their counsel, and assisted by representatives of Mitchell Hutchins and  Fund
counsel. The Corporate Governance Task Force considered

                                       3
<PAGE>
various matters related to the management and long-term welfare of the Funds and
made  recommendations to the Boards, including proposals concerning the size and
composition of the Boards, committee structures, fees and related matters. These
proposals, the  substance of  which is  summarized below,  were adopted  by  the
Boards  at  meetings  in  November, 1995.  The  nominees  for  independent Board
memberships were selected by the Board of  each Fund. With the exception of  the
nominations for Board membership, which are the subject of Proposals 1 and 2, no
Shareholder  action is  required with respect  to the  Corporate Governance Task
Force recommendations.

    Consistent with the recommendations of the Corporate Governance Task  Force,
and  concurrently  with this  proxy  solicitation, shareholders  of  other funds
within  the  PaineWebber  fund  complex  are  also  being  asked  to  elect  the
below-listed nominees to the boards of their funds. However, the election of the
nominees  for the  Board of either  of the  Funds is not  conditioned upon their
election to  the Board  of  the other  Fund  or of  any  other fund  within  the
PaineWebber fund complex.

    The  Boards believe that  coordinated governance through  a unified group of
Board  Members   will  benefit   each  of   the  Funds.   Despite  some   recent
consolidations,  the PaineWebber fund complex has grown substantially in size in
the years since the current Board structures were created. This growth has  been
due  to the creation of new funds intended to serve a wide variety of investment
needs and the  recent acquisition of  the asset management  business of  Kidder,
Peabody  Asset Management Inc.  The PaineWebber fund  complex currently includes
[66] portfolios  of open-end  and  closed-end funds  having  a wide  variety  of
investment objectives and policies. These include money market funds; bond funds
that  invest  in corporate  and  other bonds  with  varying maturities  and risk
characteristics;  municipal   bond  funds;   balanced  funds   that  invest   in
combinations  of debt and equity securities; growth  funds that invest in a wide
variety of domestic equity securities; and  global funds that invest in debt  or
equity  securities from around the world. The Boards believe that the Funds will
benefit from the experience that each nominee will gain by serving on the Boards
of such a diverse group of funds. Coordinated governance within the  PaineWebber
fund  complex also  will reduce the  possibility that the  separate Boards might
arrive at conflicting decisions regarding  the operations and management of  the
Funds and any resulting costs.

    The  Boards also believe that the Funds  will benefit from the diversity and
experience of  the  nominees that  would  comprise the  expanded  Boards.  These
nominees  have had distinguished careers  in government, finance, law, marketing
and other areas and will bring a wide range of expertise to the Boards. Eight of
the eleven nominees have no affiliation or business connection with  PaineWebber
or  Mitchell Hutchins and would be  independent Board Members. Independent Board
Members are  charged with  special responsibilities  to provide  an  independent
check on management and to approve advisory, distribution and similar agreements
between  the  Funds and  management.  They also  constitute  the members  of the
Boards' audit committees.  In the  course of  their duties,  Board Members  must
review and understand large amounts of financial and technical material and must
be  willing to devote substantial amounts of time. Due to the demands of service
on the  Boards,  independent  nominees  may  need  to  reject  other  attractive
opportunities.  With the exception  of [             ],  each of the independent
nominees already serves  as an independent  Board Member for  one or more  funds
within  the  PaineWebber  fund complex  and  understands the  operations  of the
complex.

    The proposed unified Board structure  will require a greater expenditure  of
time  by each  Board Member.  Election of  the eleven  nominees will  permit the
Boards to enhance their supervision of the Funds by increased use of a committee
structure. Under the Board structure envisioned by the Corporate Governance Task
Force and adopted by the Boards,  each Board's audit committee is being  divided
into  two  sub-committees,  each  comprised of  four  of  the  independent Board
Members. Each  sub-committee  will function  as  an audit  and  contract  review
committee  that periodically will review  the contractual and audit arrangements
for  Funds   having   similar  characteristics   and   will  report   and   make
recommendations to the full Board. The sub-committee structure will enable Board
members both to develop expertise about particular Funds, while still benefiting
from  the experience and knowledge  of the full Boards.  Other committees may be
used in  the future.  It is  anticipated that  the full  Boards will  have  five
regularly scheduled meetings per year.

                                       4
<PAGE>
    As recommended by the Corporate Governance Task Force, the compensation paid
to  independent  Board  Members  will  change.  Under  the  new  structure, each
independent Board Member will be paid annual fees of $1,000 (compared to  $1,500
currently) per Fund and will receive an attendance fee of $150 (compared to $250
currently)  for each  Board meeting and  for each committee  meeting (other than
committee meetings held on the  same date as a  Board meeting). The chairman  of
the  audit  committee,  and  the  chairman  of  the  audit  and  contract review
subcommittee of  which  the  audit  committee is  not  a  member,  will  receive
additional annual compensation from the PaineWebber funds of $15,000. Interested
Board  Members will  continue to  receive no  compensation from  any Fund. Board
Members will continue to  be reimbursed for any  expenses incurred in  attending
meetings. A table setting forth information relating to the compensation paid to
Board  Members during the past fiscal and  calendar years is attached as Exhibit
C. Pursuant to the recommendations of the Corporate Governance Task Force,  each
Board  Member will be subject to mandatory retirement  at the end of the year in
which he or she becomes 72 years old.

    The nominees for election as Board Members, their ages, and a description of
their principal occupations are  listed in the table  below. A table  indicating
the  stock  ownership of  each nominee  as of  January 31,  1996 is  attached as
Exhibit D.

<TABLE>
<CAPTION>
          NOMINEE; AGE             BUSINESS EXPERIENCE DURING THE PAST FIVE YEARS; OTHER DIRECTORSHIPS
- - - - --------------------------------  ----------------------------------------------------------------------
<S>                               <C>
Margo N. Alexander;* 48           Mrs. Alexander is president, chief executive officer and a director of
                                  Mitchell  Hutchins  (since  January,  1995).  Mrs.  Alexander  is   an
                                  executive  vice president and director  of PaineWebber. Mrs. Alexander
                                  also is a  director or  trustee of  3 investment  companies for  which
                                  Mitchell Hutchins or PaineWebber serves as investment adviser.
Richard Q. Armstrong; 60          Mr. Armstrong is chairman and principal of RQA Enterprises (management
                                  consulting  firm)  (since April  1991  and principal  occupation since
                                  March 1995). Mr.  Armstrong is also  a director of  Hi Lo  Automotive,
                                  Inc.  He  was  chairman  of the  board,  chief  executive  officer and
                                  co-owner of  Adirondack Beverages  (producer and  distributor of  soft
                                  drinks and sparkling/still waters) (October 1993-March 1995). He was a
                                  partner  of the  New England  Consulting Group  (management consulting
                                  firm) (December 1992-September 1993). He was managing director of LVMH
                                  U.S.  Corporation  (U.S.  subsidiary   of  the  French  luxury   goods
                                  conglomerate,  Louis Vuitton  Moet Hennessey  Corporation) (1987-1991)
                                  and chairman  of  its  wine  and  spirits  subsidiary,  Schieffelin  &
                                  Somerset  Company  (1987-1991). Mr.  Armstrong also  is a  director or
                                  trustee of  6  investment companies  for  which Mitchell  Hutchins  or
                                  PaineWebber serves as investment adviser.
E. Garrett Bewkes, Jr.;* 69       Mr.  Bewkes is a director of, and  a consultant to, PW Group. Prior to
                                  1988, he  was chairman  of the  board, president  and chief  executive
                                  officer of American Bakeries Company. Mr. Bewkes is also a director of
                                  Interstate  Bakeries Corporation and  NaPro Bio-Therapeutics, Inc. Mr.
                                  Bewkes also is a  director or trustee of  24 investment companies  for
                                  which Mitchell Hutchins or PaineWebber serves as investment adviser.
</TABLE>

                                       5
<PAGE>
<TABLE>
<CAPTION>
          NOMINEE; AGE             BUSINESS EXPERIENCE DURING THE PAST FIVE YEARS; OTHER DIRECTORSHIPS
- - - - --------------------------------  ----------------------------------------------------------------------
<S>                               <C>
Richard Burt; 47                  Mr.  Burt is chairman of  International Equity Partners (international
                                  investments and consulting firm) (since  March 1994) and a partner  of
                                  McKinsey  & Company (management  consulting firm) (since  1991). He is
                                  also a  director of  American  Publishing Company.  He was  the  chief
                                  negotiator  in  the Strategic  Arms  Reduction Talks  with  the former
                                  Soviet Union  (1989-1991)  and  the U.S.  Ambassador  to  the  Federal
                                  Republic  of  Germany  (1985-1989). Mr.  Burt  also is  a  director or
                                  trustee of  7  investment companies  for  which Mitchell  Hutchins  or
                                  PaineWebber serves as investment adviser.
Mary C. Farrell;* 46              Ms.  Farrell is a managing director, senior investment strategist, and
                                  member of the Investment Policy Committee of PaineWebber. Ms.  Farrell
                                  joined  PaineWebber in 1982. She is  a member of the Financial Women's
                                  Association and  Women's  Economic Roundtable  and  is employed  as  a
                                  regular  panelist on Wall $treet Week  with Louis Rukeyser. She serves
                                  on the Board  of Overseers of  New York University's  Stern School  of
                                  Business.
Meyer Feldberg; 53                Mr.  Feldberg  is Dean  and Professor  of  Management of  the Graduate
                                  School of  Business,  Columbia  University.  Prior  to  1989,  he  was
                                  president  of the Illinois  Institute of Technology.  Dean Feldberg is
                                  also a  director of  AMSCO  International Inc.,  Federated  Department
                                  Stores,  Inc.  and New  World  Communications Group  Incorporated. Mr.
                                  Feldberg also is a director or trustee of 19 investment companies  for
                                  which Mitchell Hutchins or PaineWebber serves as investment adviser.
George W. Gowen; 66               Mr.  Gowen is  a partner  in the law  firm of  Dunnington, Bartholow &
                                  Miller. Prior to May 1994,  he was partner in  the law firm of  Fryer,
                                  Ross  & Gowen. Mr.  Gowen is also  a director of  Columbia Real Estate
                                  Investments, Inc.  Mr. Gowen  also  is a  director  or trustee  of  17
                                  investment companies for which Mitchell Hutchins or PaineWebber serves
                                  as investment adviser.
Frederic V. Malek; 59             Mr. Malek is chairman of Thayer Capital Partners (investment bank) and
                                  a  co-chairman and director of CB Commercial Group Inc. (real estate).
                                  From January  1992  to  November  1992, he  was  campaign  manager  of
                                  Bush-Quayle  '92. From  1990 to 1992,  he was vice  chairman and, from
                                  1989 to 1990, he  was president of Northwest  Airlines Inc., NWA  Inc.
                                  (holding  company of Northwest Airlines  Inc.) and Wings Holdings Inc.
                                  (holding company of NWA Inc.). Prior  to 1989, he was employed by  the
                                  Marriott   Corporation  (hotels,  restaurants,  airline  catering  and
                                  contract feeding),  where  he  most recently  was  an  executive  vice
                                  president  and president of Marriott Hotels  and Resorts. Mr. Malek is
                                  also a director of American  Management Systems, Inc., Automatic  Data
                                  Processing, Inc., Avis, Inc., FPL Group, Inc., National Education Cor-
                                  poration  and Northwest Airlines Inc. Mr.  Malek also is a director or
                                  trustee of  17 investment  companies for  which Mitchell  Hutchins  or
                                  PaineWebber serves as investment adviser.
</TABLE>

                                       6
<PAGE>
<TABLE>
<CAPTION>
          NOMINEE; AGE             BUSINESS EXPERIENCE DURING THE PAST FIVE YEARS; OTHER DIRECTORSHIPS
- - - - --------------------------------  ----------------------------------------------------------------------
<S>                               <C>
Carl W. Schafer; 60               Mr.  Schafer  is  president  of  the  Atlantic  Foundation (charitable
                                  foundation supporting mainly oceanographic exploration and  research).
                                  He  also  is  a  director of  Roadway  Express,  Inc.  (trucking), The
                                  Guardian Group of Mutual  Funds, Evans Systems,  Inc. (a motor  fuels,
                                  convenience  store and  diversified company),  Hidden Lake  Gold Mines
                                  Ltd.  (gold  mining),  Electronic  Clearing  House,  Inc.   (financial
                                  transactions processing), Wainoco Oil Corporation and Nutraceutix Inc.
                                  (biotechnology).  Prior to January  1993, Mr. Schafer  was chairman of
                                  the  Investment  Advisory  Committee  of  the  Howard  Hughes  Medical
                                  Institute.  Mr. Schafer also is a  director or trustee of 7 investment
                                  companies  for  which  Mitchell  Hutchins  or  PaineWebber  serves  as
                                  investment adviser.
[NAME, AGE AND BIOGRAPHY OF
ELEVENTH NOMINEE TO BE INSERTED]
John R. Torell III; 56            Mr.  Torell is chairman of Torell Management, Inc. (financial advisory
                                  firm), partner  of  Zilkha &  Company  (merchant banking  and  private
                                  investment company) and chairman of Telesphere Corporation (electronic
                                  provider  of  financial information).  He is  the former  chairman and
                                  chief executive officer of  Fortune Bancorp (1990-1991 and  1990-1994,
                                  respectively).   He  is  the  former  chairman,  president  and  chief
                                  executive officer of CalFed, Inc. (savings association) (1988 to 1989)
                                  and former president of Manufacturers  Hanover Corp. (bank) (prior  to
                                  1988).  Mr. Torell is also a director of American Home Products Corp.,
                                  Volt  Information  Sciences   Inc.,  and  New   Colt  Inc.   (armament
                                  manufacturer).  Mr.  Torell  also  is  a  director  or  trustee  of  7
                                  investment companies for which Mitchell Hutchins or PaineWebber serves
                                  as investment adviser.
</TABLE>

- - - - ------------------------
*Indicates "interested  person" of  the Funds  as defined  by the  1940 Act,  by
 reason  of his or her position with  Mitchell Hutchins, PaineWebber or PW Group
 and/or share ownership in PW Group.

    The Board of Insured Municipal Income  Fund met seven times during its  most
recently  completed fiscal year.  The Board of Investment  Grade Income Fund met
six times during  its most  recently completed fiscal  year. Each  Board has  an
audit  committee consisting of its independent Board Members (currently, Richard
Q. Armstrong, Meyer Feldberg,  Richard Burt, John R.  Torell III and William  D.
White).  Each of the members attended 75%  or more of Board meetings during each
Fund's most recently completed fiscal year,  with the exception of Mr. Burt  and
Mr.  White with respect to Insured Municipal Income Fund. Each of the members of
the audit committee  attended 75% or  more of that  committee's meetings  during
each  Fund's  most  recently completed  fiscal  year.  The duties  of  the audit
committee are  (a)  to review  reports  prepared by  the  Company's  independent
auditors,  including  reports  on  the  Company's  internal  accounting  control
procedures; (b) to  review and recommend  approval or disapproval  of audit  and
non-audit  services and the fees charged for  such services; (c) to evaluate the
independence of the independent auditors and to recommend whether to retain such
independent auditors for the next  fiscal year; and (d)  to report to the  Board
and  make such  recommendations as  it deems necessary.  The Boards  do not have
standing nominating  or  compensation committees.  Information  concerning  Fund
officers is set forth in Exhibit E.

                                       7
<PAGE>
    REQUIRED  VOTE.   For  each  Fund, and  provided  a quorum  is  present: the
candidates for  the two  Board Memberships  to  be elected  by the  APS  holders
receiving the affirmative vote of a plurality of the votes cast for the election
of  Board Members by APS holders will be elected to those Board Memberships; and
the candidates for  the remaining  Board Memberships  receiving the  affirmative
vote  of a plurality of the votes cast  for the election of Board Members by all
Shareholders will be elected to the remaining Board Memberships.

      EACH BOARD, INCLUDING ITS INDEPENDENT BOARD MEMBERS, RECOMMENDS THAT
     SHAREHOLDERS VOTE "FOR" EACH OF THE NOMINEES UNDER PROPOSALS 1 AND 2.

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

          PROPOSAL 3 -- APPROVAL OF CHANGES TO FUNDAMENTAL INVESTMENT
              RESTRICTIONS AND POLICIES OF EACH FUND

    RELEVANT FUNDS.  Both Funds.

    REASONS FOR THE PROPOSED  CHANGES.  Pursuant  to the 1940  Act, each of  the
Funds  has  adopted  certain fundamental  investment  restrictions  and policies
("fundamental restrictions"), which are  set forth in  the Fund's prospectus  or
statement  of  additional  information,  and  which  may  be  changed  only with
Shareholder approval. Restrictions and policies that a Fund has not specifically
designated as being fundamental are  considered to be "non-fundamental" and  may
be changed by the Fund's Board without Shareholder approval.

    Certain  of the fundamental restrictions that  the Funds have adopted in the
past  reflect  regulatory,  business   or  industry  conditions,  practices   or
requirements  that  are  no  longer in  effect.  Other  fundamental restrictions
reflect regulatory  requirements  which  remain  in effect  but  which  are  not
required  to be stated as fundamental, or in some cases even as non-fundamental,
restrictions. Also, as new funds have  been created within the PaineWebber  fund
complex  over a period of  years, substantially similar fundamental restrictions
often have been phrased in slightly different ways, sometimes resulting in minor
but unintended differences in  effect or potentially  giving rise to  unintended
differences in interpretation.

    Accordingly,  the Boards have approved  revisions to their respective Funds'
fundamental restrictions in order to  simplify, modernize and make more  uniform
within  the  PaineWebber fund  complex  those investment  restrictions  that are
required to be fundamental, and to eliminate those fundamental restrictions that
are not legally required. Existing fundamental restrictions that are  eliminated
because  they  are not  required  to be  fundamental  would be  re-classified as
non-fundamental  restrictions.  Notwithstanding  the   changes  to  the   Funds'
fundamental  investment  restrictions  proposed  under  Proposal  3,  the Funds'
investment policies would  continue to be  subject to the  guidelines and  other
restrictions with which the Funds agreed to comply in connection with the rating
of  the APS by Standard & Poor's, a division of The McGraw Hill Companies, Inc.,
or Moody's Investors Service, Inc.

    The Boards  believe that  the  proposed changes  to the  Funds'  fundamental
restrictions  will enhance  management's ability efficiently  and effectively to
manage the Funds' assets in changing regulatory and investment environments.  In
addition,  by reducing to a  minimum those policies that  can be changed only by
Shareholder vote, each  Fund will  more often  be able  to avoid  the costs  and
delays  associated  with  a  Shareholder  meeting  when  making  changes  to its
investment policies  that, at  a  future time,  its Board  considers  desirable.
Although  the proposed changes in fundamental  restrictions will allow the Funds
greater investment flexibility  to respond to  future investment  opportunities,
the Boards do not anticipate that the changes, individually or in the aggregate,
will  result at this time  in a material change in  the level of investment risk
associated with an investment in any Fund.

    The text and  a summary description  of each proposed  change to the  Funds'
fundamental  restrictions  are set  forth  below. Shareholders  should  refer to
Exhibit FR  to  this  proxy  statement  for the  text  of  the  Funds'  existing
fundamental restrictions.

                                       8
<PAGE>
    The  text below also describes those non-fundamental restrictions that would
be adopted by  the Boards  in conjunction  with the  elimination of  fundamental
restrictions  under Proposal 3. Any  non-fundamental restriction may be modified
or eliminated by the  appropriate Board at any  future date without any  further
approval of Shareholders.

    If the proposed changes are approved by Shareholders of the respective Funds
at  the Meeting, the Funds' statements of additional information will be revised
to reflect those changes. This will  occur as soon as practicable following  the
Meetings.  Proposal  3 will  not result  in  a change  to any  Fund's investment
objective, even though it also constitutes a fundamental policy.

    If approved by  the Shareholders,  these revisions  must be  filed with  the
Securities  and Exchange  Commission ("SEC")  and are  subject to  a comment and
review process. To the extent necessary to comply with regulatory comments or to
conform with the definitions and other  terminology used in a Fund's  prospectus
or  statement of additional information, the language of these provisions may be
subject to  further modification.  However, any  material change  would  require
Shareholder approval.

    PROPOSED  CHANGES.  The following  is the text and  a summary description of
the proposed changes to the  Funds' fundamental restrictions, together with  the
text  of those non-fundamental restrictions that  would be adopted in connection
with the elimination of certain of the Funds' current fundamental  restrictions.
Also  set forth is a restatement of the Fund's fundamental restriction on senior
securities and borrowing, which is not being changed. With respect to each  Fund
and  each  proposed  fundamental  restriction, if  a  percentage  restriction is
adhered to at  the time of  an investment  or transaction, a  later increase  or
decrease  in percentage  resulting from  a change  in the  values of  the Fund's
portfolio securities or the amount of its total assets will not be considered  a
violation of the fundamental restriction.

    1.  MODIFICATION OF FUNDAMENTAL RESTRICTION ON PORTFOLIO DIVERSIFICATION FOR
    DIVERSIFIED FUNDS.

        PROPOSED TEXT OF FUNDAMENTAL RESTRICTION:

        "The  Fund  will not  purchase securities  of  any one  issuer if,  as a
    result, more  than  5% of  the  Fund's total  assets  would be  invested  in
    securities of that issuer or the Fund would own or hold more than 10% of the
    outstanding  voting securities of that issuer, except  that up to 25% of the
    Fund's total assets may be invested  without regard to this limitation,  and
    except  that  this  limitation  does  not  apply  to  securities  issued  or
    guaranteed by the U.S. government, its agencies and instrumentalities or  to
    securities issued by other investment companies."

    The  following  interpretation  applies  to,  but is  not  a  part  of, this
fundamental restriction: "Each  state (including  the District  of Columbia  and
Puerto  Rico), territory  and possession  of the  United States,  each political
subdivision, agency, instrumentality and authority thereof, and each multi-state
agency of which a state  is a member is a  separate issuer. When the assets  and
revenues of an agency, authority, instrumentality or other political subdivision
are  separate from the  government creating the subdivision  and the security is
backed only by  the assets  and revenues  of the  subdivision, such  subdivision
would  be deemed to be the sole issuer.  Similarly, in the case of an Industrial
Development Bond or Private Activity  Bond, if that bond  is backed only by  the
assets  and revenues  of the  non-governmental user,  then that non-governmental
user would be deemed to be the sole issuer. However, if the creating  government
or  another entity guarantees a  security, then to the  extent that the value of
all securities issued or  guaranteed by that government  or entity and owned  by
the  Fund  exceeds  10% of  the  Fund's  total assets,  the  guarantee  would be
considered a separate security and would be treated as issued by that government
or entity."

    With respect to Insured Municipal Income Fund, the foregoing  interpretation
includes  the following: "This restriction does  not limit the percentage of the
Fund's assets that may be invested in Municipal Obligations insured by any given
insurer."

    DISCUSSION:  The Funds are "diversified" investment companies under the 1940
Act  and,   accordingly,  must   have  fundamental   restrictions  or   policies
establishing the percentage limitations with

                                       9
<PAGE>
respect  to investments in individual issuers that  they will follow in order to
qualify as "diversified" for that  purpose. The Funds' current restrictions  are
somewhat  more limiting than  is necessary in order  to qualify as "diversified"
funds. For example,  the Funds' restrictions  do not reflect  exceptions to  the
legally  required restriction for investments  in securities of other investment
companies. The Funds'  current restrictions also  do not refer  to the  required
limitation  on  holding more  than  10% of  an  issuer's voting  securities. The
proposed language would  conform to  language being  proposed for  use by  other
funds within the PaineWebber fund complex.

    Proposal  3 would not  change the affirmative  fundamental policy of Insured
Municipal Income Fund,  as stated in  its prospectus, of  normally investing  at
least 80% of its total assets in insured municipal obligations.

    2.  MODIFICATION OF FUNDAMENTAL RESTRICTION ON CONCENTRATION.

        PROPOSED TEXT OF FUNDAMENTAL RESTRICTION:

        "The  Fund  will not  purchase  any security  if,  as a  result  of that
    purchase, 25%  or more  of the  Fund's  total assets  would be  invested  in
    securities of issuers having their principal business activities in the same
    industry, except that this limitation does not apply to securities issued or
    guaranteed  by the U.S. government, its  agencies or instrumentalities or to
    municipal securities."

    DISCUSSION:  The  proposed changes to  the Funds' fundamental  concentration
policy  would conform the language of the Funds' fundamental restriction on this
subject to language being proposed for use by other funds within the PaineWebber
fund complex. The  Boards believe that  conforming the language  in this  manner
will help avoid unintended differences in interpretation or effect.

    3.  MODIFICATION OF FUNDAMENTAL RESTRICTION ON SENIOR SECURITIES AND
    BORROWING (UNCHANGED).

    TEXT   OF  FUNDAMENTAL  RESTRICTION:    No   change  is  proposed  for  this
restriction. The  current  restriction,  which  would  remain  in  effect  under
Proposal 3, is as follows:

        "The  Fund will not  issue senior securities  (including borrowing money
    from banks and  other entities and  through reverse repurchase  agreements),
    except  (a) the Fund  may borrow in  an amount not  in excess of  33 1/3% of
    total assets (including the amount of senior securities issued, but  reduced
    by any liabilities and indebtedness not constituting senior securities), (b)
    the  Fund may  issue preferred stock  having a liquidation  preference in an
    amount which, combined with  the amount of  any liabilities or  indebtedness
    constituting  senior securities, is not in excess of 50% of its total assets
    (computed as provided in clause (a) above) and (c) the Fund may borrow up to
    an additional 5% of its total assets (not including the amount borrowed) for
    temporary or emergency purposes."

    DISCUSSION:  As  indicated above, Proposal  3 would make  no change to  this
fundamental restriction.

    4.  MODIFICATION OF FUNDAMENTAL RESTRICTION ON MAKING LOANS.

        PROPOSED TEXT OF FUNDAMENTAL RESTRICTION:

        "The  Fund  will  not  make loans,  except  through  loans  of portfolio
    securities or through repurchase agreements,  provided that for purposes  of
    this  restriction,  the  acquisition  of  bonds,  debentures  or  other debt
    securities and  investments  in government  obligations,  commercial  paper,
    certificates  of deposit,  bankers' acceptances or  similar instruments will
    not be considered the making of a loan."

    DISCUSSION:  The proposed changes would  conform the language of the  Funds'
fundamental  restriction on this  subject to language being  proposed for use by
other funds  within  the  PaineWebber  fund complex.  The  Boards  believe  that
conforming the language in this manner will help avoid unintended differences in
interpretation or effect.

                                       10
<PAGE>
    The  proposed change also clarifies that  loans of portfolio securities will
be excluded from the general fundamental restriction on making loans. This  does
not  represent any change in the  Fund's existing fundamental policy. The Boards
believe that the  Funds should not  be subject to  a fundamental restriction  on
securities  lending and that each  Board should be able  to govern the extent of
securities lending through a non-fundamental policy.

    The Boards have  authorized the  adoption of  non-fundamental policies  that
would allow each Fund to lend portfolio securities in an amount up to 33 1/3% of
its  total assets,  which is  the maximum  level permitted  under the  1940 Act.
Neither of the  Funds currently lends  any portfolio securities,  and the  Funds
will  not  do  so unless  and  until  specific securities  lending  programs are
considered and approved by their respective Boards. Mitchell Hutchins  currently
is  considering proposals for securities lending  programs for the Funds, and it
anticipates presenting a recommendation for such a program to the Boards in  the
near  future. Any such program would be subject to a determination that engaging
in securities lending  would not have  an adverse  affect on the  rating of  the
Funds' APS.

    Lending  securities would enable a Fund  to earn additional income but could
result in a  loss or delay  in recovering the  securities. Under any  securities
lending  program that may be approved by the Boards, a Fund would lend portfolio
securities to broker-dealers or  institutional investors that Mitchell  Hutchins
(or,  where applicable, a Fund's sub-adviser) deems qualified, but only when the
borrower maintains acceptable collateral with the Fund's custodian in an  amount
at  least  equal to  the market  value  of the  securities loaned,  plus accrued
interest and  dividends.  The  Fund  would  pay  reasonable  administrative  and
custodial fees in connection with any loan and might pay a negotiated portion of
the  interest  earned on  the  cash or  instruments  held as  collateral  to the
borrower or  to the  placing broker.  The  Fund would  retain the  authority  to
terminate  any loans at any time. A Fund would regain record ownership of loaned
securities to exercise beneficial rights, such  as voting rights, when doing  so
is considered to be in the Fund's interest.

    5.  MODIFICATION OF FUNDAMENTAL RESTRICTION ON UNDERWRITING SECURITIES.

        PROPOSED TEXT OF FUNDAMENTAL RESTRICTION:

        "The  Fund will not engage in the business of underwriting securities of
    other issuers, except  to the extent  that the Fund  might be considered  an
    underwriter  under  the  federal  securities  laws  in  connection  with its
    disposition of portfolio securities."

    DISCUSSION:  The proposed changes would  conform the language of the  Funds'
fundamental  restriction on this  subject to language being  proposed for use by
other funds  within  the  PaineWebber  fund complex.  The  Boards  believe  that
conforming the language in this manner will help avoid unintended differences in
interpretation or effect.

    6.  MODIFICATION OF FUNDAMENTAL RESTRICTION ON REAL ESTATE INVESTMENTS.

        PROPOSED TEXT OF FUNDAMENTAL RESTRICTION:

        "The Fund will not purchase or sell real estate, except that investments
    in  securities  of issuers  that invest  in real  estate and  investments in
    mortgage-backed securities,  mortgage  participations or  other  instruments
    supported  by interests in  real estate are not  subject to this limitation,
    and except that the  Fund may exercise rights  under agreements relating  to
    such  securities, including the  right to enforce  security interests and to
    hold real estate  acquired by  reason of  such enforcement  until that  real
    estate can be liquidated in an orderly manner."

    DISCUSSION:    The  proposed  changes to  this  investment  restriction more
completely describe  the  types  of  real  estate-related  securities  that  are
permissible  and conform the  language of the  Funds' fundamental restriction on
this subject  to language  being proposed  for  use by  other funds  within  the
PaineWebber  fund complex.  The Boards believe  that conforming  the language in
this manner will help avoid unintended differences in interpretation or effect.

                                       11
<PAGE>
    7.  MODIFICATION OF FUNDAMENTAL RESTRICTION ON INVESTING IN COMMODITIES.

        PROPOSED TEXT OF FUNDAMENTAL RESTRICTION:

        "The Fund will not purchase or sell physical commodities unless acquired
    as a result  of owning  securities or other  instruments, but  the Fund  may
    purchase, sell or enter into financial options and futures, forward and spot
    currency  contracts,  swap  transactions and  other  financial  contracts or
    derivative instruments."

    DISCUSSION:   The  proposed  changes  to  this  investment  restriction  are
intended  to ensure that  each Fund will  have the maximum  flexibility to enter
into hedging or other transactions utilizing financial contracts and  derivative
products  when doing so  is permitted by operating  policies established for the
Fund by its Board. The Boards believe that this flexibility is necessary for the
Funds to respond to the rapid and continuing development of derivative products.
The proposed  changes  also  allow  flexibility  in  the  event  of  changes  in
regulatory   standards   or   limitations.  The   Funds'   existing  fundamental
restrictions already permit  the Boards to  establish investment policies  using
most  or all of these types of  financial contracts. However, each Fund's use of
financial contracts is limited by the  requirements of the rating agencies  that
rate the APS.

    8.  ELIMINATION OF FUNDAMENTAL RESTRICTION ON MARGIN TRANSACTIONS.

        PROPOSED CHANGE; TEXT OF RELATED NON-FUNDAMENTAL RESTRICTION:

        Upon  the approval of Proposal  3, the existing fundamental restrictions
    on engaging in margin transactions would be eliminated, and the Funds  would
    become subject to the following non-fundamental restriction:

        "The  Fund will not purchase securities on margin, except for short-term
    credit necessary for clearance of portfolio transactions and except that the
    Fund may  make margin  deposits  in connection  with  its use  of  financial
    options  and futures, forward and spot currency contracts, swap transactions
    and other financial contracts or derivative instruments."

    DISCUSSION:  The Funds are not required to have a fundamental restriction on
a Fund's ability  to engage  in margin transactions.  In order  to maximize  the
Funds'  flexibility, the Boards  believe that the  Funds' restrictions on margin
transactions should be made non-fundamental.

    The non-fundamental restriction will conform to language being proposed  for
use by other funds within the PaineWebber fund complex. The language includes an
exception  for  margin  deposits  in  connection  with  financial  contracts  or
derivative instruments  that  conforms  with  the  exception  contained  in  the
proposed   change  to  the  Funds'   fundamental  restriction  on  investing  in
commodities.

    9.  ELIMINATION OF FUNDAMENTAL RESTRICTION ON SHORT SALES.

        PROPOSED CHANGE; TEXT OF RELATED NON-FUNDAMENTAL RESTRICTION:

        Upon the approval of Proposal  3, the existing fundamental  restrictions
    on  engaging in short sales would be  eliminated, and the Funds would become
    subject to the following non-fundamental restriction:

        "The Fund will  not engage in  short sales of  securities or maintain  a
    short  position, except that the  Fund may (a) sell  short "against the box"
    and (b) maintain  short positions in  connection with its  use of  financial
    options  and futures, forward and spot currency contracts, swap transactions
    and other financial contracts or derivative instruments."

    DISCUSSION:  Under the 1940 Act, the SEC is authorized to limit the  ability
of the Funds to engage in short sales, except in connection with an underwriting
in  which the Fund is a participant. One  type of short sale transaction that is
permitted under SEC policies is a short sale "against the box," in which a  Fund
engages  in a short sale of a security that  it already owns or has the right to
own. These transactions generally are entered into in order to defer realization
of gains or losses for tax or other purposes.

                                       12
<PAGE>
    Although the Funds may be limited in their ability to engage in short sales,
the Funds  are not  required to  establish a  fundamental restriction  on  short
sales.  Consistent  with the  Boards' determination  to promote  flexibility and
efficiency in the event of  future changes in the  law, the Boards believe  that
the  Funds'  fundamental  restriction  on this  subject  should  be  removed and
replaced by a non-fundamental restriction. That non-fundamental restriction will
conform to language being proposed for use by other funds within the PaineWebber
fund complex. The  language will  contain an  exception for  short positions  in
connection with financial contracts or derivative instruments that conforms with
the  exception  contained  in  the proposed  change  to  the  Funds' fundamental
restriction on investing in commodities.

    10. ELIMINATION OF FUNDAMENTAL RESTRICTION ON INVESTMENTS IN OIL, GAS AND
        MINERAL LEASES AND PROGRAMS.

        PROPOSED CHANGE; TEXT OF RELATED NON-FUNDAMENTAL RESTRICTION:

        Upon the  approval  of  Proposal  3,  the  Funds'  existing  fundamental
    restrictions on investments in oil, gas or minerals would be eliminated, and
    the Funds would become subject to the following non-fundamental restriction:

        "The  Fund  will  not  invest  in oil,  gas  or  mineral  exploration or
    development programs or  leases, except  that investments  in securities  of
    issuers   that  invest  in  such  programs  or  leases  and  investments  in
    asset-backed  securities  supported  by  receivables  generated  from   such
    programs or leases are not subject to this prohibition."

    DISCUSSION:   The Funds  are not required to  have a fundamental restriction
with respect to oil, gas or mineral investments. In order to maximize the Funds'
flexibility, the Boards  believe that the  Funds' restrictions on  oil, gas  and
mineral investments should be made non-fundamental.

    The  non-fundamental  restriction  adopted  by the  Boards  will  conform to
language being  proposed for  use by  other funds  within the  PaineWebber  fund
complex  and will establish uniform exceptions that serve to clarify the limited
scope of the restriction. The  non-fundamental restriction applies only to  oil,
gas  and mineral  leases and development  programs and not  to other investments
relating to oil, gas or minerals.

    REQUIRED VOTE.  Approval of Proposal 3  with respect to a Fund requires  the
affirmative  vote of a  "majority of the outstanding  voting securities" of that
Fund, which for this  purpose means the  affirmative vote of  the lesser of  (1)
more  than 50% of the outstanding  Shares of the Fund or  (2) 67% or more of the
Shares of the Fund present  at the Meeting if more  than 50% of the  outstanding
Shares  of the Fund are  represented at the Meeting in  person or by proxy. With
respect to Proposal 3,  the Shares of  a Fund's Common Stock  and APS will  vote
together as a single class.

    IF  PROPOSAL  3 IS  NOT APPROVED  BY  SHAREHOLDERS OF  A FUND,  THE EXISTING
FUNDAMENTAL RESTRICTIONS OF THE FUND WILL CONTINUE IN EFFECT FOR THAT FUND,  BUT
DISAPPROVAL  OF PROPOSAL 3 BY  THE SHAREHOLDERS OF ONE  FUND WILL NOT AFFECT ANY
APPROVALS OF PROPOSAL 3 THAT ARE OBTAINED WITH RESPECT TO ANY OTHER FUND.

      EACH BOARD, INCLUDING ITS INDEPENDENT BOARD MEMBERS, RECOMMENDS THAT
                      SHAREHOLDERS VOTE "FOR" PROPOSAL 3.

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

              PROPOSAL 4 -- AMENDMENT OF ARTICLES OF INCORPORATION

    RELEVANT FUND.  Insured Municipal Income Fund.

    DISCUSSION.  Proposal 4 is to amend the Articles of Incorporation of Insured
Municipal Income Fund to  change the formal name  of the Fund from  "PaineWebber
Premier  Insured Municipal Income  Fund Inc." to  "Insured Municipal Income Fund
Inc."

    On June  2,  1995, the  Fund's  Board,  acting upon  the  recommendation  of
Mitchell  Hutchins,  determined  to recommend  this  name change  to  the Fund's
Shareholders. At the same time, the Board

                                       13
<PAGE>
approved the  Fund's use  of "Insured  Municipal Income  Fund" as  a trade  name
pending a Shareholders' meeting at which a vote on a formal name change could be
taken. The Fund has been doing business as "Insured Municipal Income Fund" since
August, 1995, when necessary approvals relating to the Fund's listing under that
name on the New York Stock Exchange, Inc. were obtained.

    The proposed name change, like the use of "Insured Municipal Income Fund" as
a  trade name, is  intended to facilitate broadened  secondary market trading of
the Fund's  Common  Stock  within  the  general  brokerage  community.  Mitchell
Hutchins   advised  the  Fund's  Board  that  discounts  from  net  asset  value
experienced in secondary market trading of Shares of the Fund's Common Stock may
be due in part to  a reluctance by many brokerage  firms to actively follow  and
trade  closed-end  investment  companies  that  are  closely  associated  with a
particular retail brokerage firm. Mitchell Hutchins and the Fund's Board believe
that the proposed name change will remove that obstacle to more active  trading,
while  accurately describing the  Fund's investment objective  and policies and,
therefore, should benefit holders of the Fund's Common Stock.

    REQUIRED VOTE.  Approval of this proposal requires the affirmative vote of a
majority of the Shares of the Fund's Common Stock and APS, voting together as  a
single class.

    THE INSURED MUNICIPAL INCOME FUND BOARD, INCLUDING ITS INDEPENDENT BOARD
          MEMBERS, RECOMMENDS THAT SHAREHOLDERS VOTE "FOR" PROPOSAL 4.

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

                             SHAREHOLDER PROPOSALS

    Any  Shareholder who wishes to submit proposals to be considered at a Fund's
next annual meeting of  Shareholders should send the  proposals to that Fund  at
1285  Avenue of the Americas, New York, New  York 10019, so as to be received by
the following dates, which have been determined on the basis of SEC rules:

<TABLE>
<CAPTION>
FUND                                                                                        DATE
- - - - -----------------------------------------------------------------------------------  -------------------
<S>                                                                                  <C>
Investment Grade Income Fund.......................................................  August 3, 1996
Insured Municipal Income Fund......................................................  March 29, 1996
</TABLE>

Shareholder proposals that are submitted in a timely manner will not necessarily
be included  in the  Fund's  proxy materials.  Inclusion  of such  proposals  is
subject to limitations under the federal securities laws.

                                 OTHER BUSINESS

    Management  knows of no business to be  presented at the Meetings other than
the matters  set forth  in this  proxy statement,  but should  any other  matter
requiring  a vote of Shareholders arise, the proxies will vote thereon according
to their best judgment in the interest of the Funds.

                                          By order of the Boards,
                                          DIANNE E. O'DONNELL
                                          SECRETARY
February   , 1996

          IT IS IMPORTANT THAT YOU EXECUTE AND RETURN ALL OF YOUR PROXIES
                                 PROMPTLY.

                                       14
<PAGE>
                      INDEX TO EXHIBITS TO PROXY STATEMENT

<TABLE>
<S>             <C>                                                                       <C>
Exhibit A --    Beneficial Ownership of Greater Than 5% of Fund Shares..................  A-1
Exhibit B --    Year in Which Nominees Became Board Members.............................  B-1
Exhibit C --    Compensation Table......................................................  C-1
Exhibit D --    Stock Ownership of Nominees and Current Board Members...................  D-1
Exhibit E --    Officer Information.....................................................  E-1
Exhibit FR --   Existing Fundamental Restrictions.......................................  FR-1
</TABLE>

                                       15
<PAGE>
                                                                       EXHIBIT A

             BENEFICIAL OWNERSHIP OF GREATER THAN 5% OF FUND SHARES

<TABLE>
<CAPTION>
                                                                                              NUMBER AND
                                                                                         PERCENTAGE OF SHARES
                                                                                        BENEFICIALLY OWNED AS
NAME AND ADDRESS*                                          NAME OF FUND                  OF JANUARY 31, 1996
- - - - ------------------------------------------  ------------------------------------------  ----------------------
<S>                                         <C>                                         <C>
</TABLE>

- - - - ------------------------
*Each  of the Shareholders listed in this  Exhibit may be contacted c/o Mitchell
 Hutchins Asset  Management Inc.,  1285 Avenue  of the  Americas, New  York,  NY
 10019.

                                      A-1
<PAGE>
                                                                       EXHIBIT B

<TABLE>
<CAPTION>
                                                            YEAR IN WHICH NOMINEES BECAME BOARD MEMBERS*
                                      ----------------------------------------------------------------------------------------
                                       MARGO N.     RICHARD Q.    E. GARRETT                                         JOHN R.
FUND NAME                              ALEXANDER     ARMSTRONG     BEWKES**     MEYER FELDBERG     RICHARD BURT    TORELL III
- - - - ------------------------------------  -----------  -------------  -----------  -----------------  ---------------  -----------
<S>                                   <C>          <C>            <C>          <C>                <C>              <C>
Investment Grade Income Fund........        1996          1995          1992            1992              1995           1992
Insured Municipal Income Fund.......        1995          1995          1993            1993              1995           1992
</TABLE>

- - - - ------------------------
 *Excludes  Mary C.  Farrell, George  W. Gowen,  Frederic V.  Malek and  Carl W.
  Schafer and         , who are not presently members of these Boards.

**Mr. Bewkes resigned from each Board and was reappointed during 1993.

                                      B-1
<PAGE>
                                                                       EXHIBIT C

                               COMPENSATION TABLE

<TABLE>
<CAPTION>
                                              COMPENSATION PAID TO BOARD MEMBERS
                                                  FROM THE COMPANIES FOR THE       TOTAL COMPENSATION FROM COMPANY
                                                   MOST RECENT FISCAL YEAR         AND FUND COMPLEX PAID TO BOARD
                                             ------------------------------------          MEMBERS FOR THE
INDEPENDENT BOARD MEMBER (1)                 INVESTMENT GRADE   INSURED MUNICIPAL  YEAR ENDED DECEMBER 31, 1995(2)
- - - - -------------------------------------------  -----------------  -----------------  -------------------------------
<S>                                          <C>                <C>                <C>
Richard Q. Armstrong.......................      $   1,250             [    ]                $     9,000
Richard Burt...............................      $   1,250          $   1,875                $     7,750
Meyer Feldberg.............................      $   3,250          $   3,500                $   106,325
George W. Gowen............................         --                 --                    $    99,750
Frederic V. Malek..........................         --                 --                    $    99,750
Carl W. Schafer............................         --                 --                    $   118,175
John R. Torell.............................      $   3,250          $   2,875                $    28,125
William D. White*..........................         [    ]             [    ]                $    33,125
</TABLE>

- - - - ------------------------
 *  Indicates Board Member who is not standing for re-election.

(1) Board Members who were not independent did not receive compensation from the
    Companies.

(2) No fund within  the PaineWebber Fund  complex has a  bonus, pension,  profit
    sharing or retirement plan.

                                      C-1
<PAGE>
                                                                       EXHIBIT D

                  STOCK OWNERSHIP OF NOMINEES OR BOARD MEMBERS

<TABLE>
<CAPTION>
                                                                                                 NO. OF SHARES
                                                                                                  HELD AS OF
NOMINEE OR CURRENT BOARD MEMBERS                                                                  JANUARY 31,
WHO ARE STANDING FOR RE-ELECTION                                     FUND                            1996
- - - - ----------------------------------------------  ----------------------------------------------  ---------------
<S>                                             <C>                                             <C>
Margo N. Alexander............................
Richard Q. Armstrong..........................
E. Garrett Bewkes, Jr.........................
Richard Burt..................................
Mary C. Farrell...............................
Meyer Feldberg................................
George W. Gowen...............................
Frederic V. Malek.............................
Carl W. Schafer...............................
John R. Torell III............................
</TABLE>

<TABLE>
<CAPTION>
                                                                                                   NO. OF SHARES
                                                                                                    HELD AS OF
CURRENT BOARD MEMBERS                                                                               JANUARY 31,
WHO ARE STANDING FOR RE-ELECTION                                      FUND                             1996
- - - - -----------------------------------------------  -----------------------------------------------  ---------------
<S>                                              <C>                                              <C>
William D. White...............................
</TABLE>

                                      D-1
<PAGE>
                                                                       EXHIBIT E

                              OFFICER INFORMATION
<TABLE>
<CAPTION>
                                                                                                      OFFICER SINCE
                                                                              NO. OF INVESTMENT    -------------------
                                                                             COMPANIES ON WHICH     INVESTMENT GRADE
NAME; PRINCIPAL BUSINESS OCCUPATION                                             SERVES AS AN        MUNICIPAL INCOME
FOR THE PAST FIVE YEARS                            AGE          OFFICE           OFFICER (1)              FUND
- - - - ---------------------------------------------      ---      --------------  ---------------------  -------------------
<S>                                            <C>          <C>             <C>                    <C>
Margo  N. Alexander; Mrs. Alexander is presi-          48   President                    30                  5/95
 dent, chief executive officer and a director
 of Mitchell Hutchins  (since January  1995).
 Mrs.   Alexander   is   an   executive  vice
 president and director of PaineWebber.
Teresa M. Boyle;  Ms. Boyle is  a first  vice          37   Vice President               30                 12/93
 president    and    manager    --   advisory
 administration of  Mitchell Hutchins.  Prior
 to November 1993, she was compliance manager
 of  Hyperion  Capital  Management,  Inc., an
 investment advisory  firm.  Prior  to  April
 1993,  Ms.  Boyle was  a vice  president and
 manager -- legal administration of  Mitchell
 Hutchins.
Gigi Capes; Ms. Capes is a vice president and          31   Vice President               30                 11/95
 the  tax manager of  the mutual fund finance                and Assistant
 division  of  Mitchell  Hutchins.  Prior  to                Treasurer
 1992,  she was a  tax senior consultant with
 KPMG Peat Marwick.
Joan L. Cohen; Ms. Cohen is a vice  president          31   Vice President               25                  2/94
 and  attorney of Mitchell Hutchins. Prior to                and Assistant
 December 1993, she was  an associate at  the                Secretary
 law firm of Seward & Kissel.
C.  William Maher; Mr. Maher  is a first vice          34   Vice President               30                  6/95
 president and a senior manager of the mutual                and Assistant
 fund finance division of Mitchell Hutchins.                 Treasurer
Dennis McCauley; Mr.  McCauley is a  managing          49   Vice President               18                  9/95
 director  and  chief  investment  officer --
 fixed income of Mitchell Hutchins. Prior  to
 December  1994,  he  was  director  of fixed
 income investments of IBM Corporation.
Ann E. Moran; Ms.  Moran is a vice  president          38   Vice President               30                  6/93
 of Mitchell Hutchins.                                       and Assistant
                                                             Treasurer
Dianne  E.  O'Donnell;  Ms.  O'Donnell  is  a          43   Vice President               30                  8/92
 senior vice  president  and  deputy  general                and Secretary
 counsel of Mitchell Hutchins.
Victoria  E.  Schonfeld; Ms.  Schonfeld  is a          45   Vice President               30                  5/94
 managing director  and  general  counsel  of
 Mitchell  Hutchins. From  April 1990  to May
 1994, she was a partner  in the law firm  of
 Arnold  & Porter.  Prior to  April 1990, she
 was a partner  in the law  firm of  Shereff,
 Friedman, Hoffman & Goodman.
Paul  H.  Schubert; Mr.  Schubert is  a first          33   Vice President               30                  9/94
 vice president and a  senior manager of  the                and Assistant
 mutual  fund  finance  division  of Mitchell                Treasurer
 Hutchins. From August  1992 to August  1994,
 he   was  a  vice   president  at  BlackRock
 Financial Management, L.P.  Prior to  August
 1992,  he was an audit  manager with Ernst &
 Young LLP.

<CAPTION>
NAME; PRINCIPAL BUSINESS OCCUPATION             INSURED MUNICIPAL
FOR THE PAST FIVE YEARS                            INCOME FUND
- - - - ---------------------------------------------  -------------------
<S>                                            <C>
Margo  N. Alexander; Mrs. Alexander is presi-            5/95
 dent, chief executive officer and a director
 of Mitchell Hutchins  (since January  1995).
 Mrs.   Alexander   is   an   executive  vice
 president and director of PaineWebber.
Teresa M. Boyle;  Ms. Boyle is  a first  vice           12/93
 president    and    manager    --   advisory
 administration of  Mitchell Hutchins.  Prior
 to November 1993, she was compliance manager
 of  Hyperion  Capital  Management,  Inc., an
 investment advisory  firm.  Prior  to  April
 1993,  Ms.  Boyle was  a vice  president and
 manager -- legal administration of  Mitchell
 Hutchins.
Gigi Capes; Ms. Capes is a vice president and           11/95
 the  tax manager of  the mutual fund finance
 division  of  Mitchell  Hutchins.  Prior  to
 1992,  she was a  tax senior consultant with
 KPMG Peat Marwick.
Joan L. Cohen; Ms. Cohen is a vice  president            2/94
 and  attorney of Mitchell Hutchins. Prior to
 December 1993, she was  an associate at  the
 law firm of Seward & Kissel.
C.  William Maher; Mr. Maher  is a first vice            6/95
 president and a senior manager of the mutual
 fund finance division of Mitchell Hutchins.
Dennis McCauley; Mr.  McCauley is a  managing            9/95
 director  and  chief  investment  officer --
 fixed income of Mitchell Hutchins. Prior  to
 December  1994,  he  was  director  of fixed
 income investments of IBM Corporation.
Ann E. Moran; Ms.  Moran is a vice  president            6/93
 of Mitchell Hutchins.
Dianne  E.  O'Donnell;  Ms.  O'Donnell  is  a            2/93
 senior vice  president  and  deputy  general
 counsel of Mitchell Hutchins.
Victoria  E.  Schonfeld; Ms.  Schonfeld  is a            5/94
 managing director  and  general  counsel  of
 Mitchell  Hutchins. From  April 1990  to May
 1994, she was a partner  in the law firm  of
 Arnold  & Porter.  Prior to  April 1990, she
 was a partner  in the law  firm of  Shereff,
 Friedman, Hoffman & Goodman.
Paul  H.  Schubert; Mr.  Schubert is  a first            9/94
 vice president and a  senior manager of  the
 mutual  fund  finance  division  of Mitchell
 Hutchins. From August  1992 to August  1994,
 he   was  a  vice   president  at  BlackRock
 Financial Management, L.P.  Prior to  August
 1992,  he was an audit  manager with Ernst &
 Young LLP.
</TABLE>

                                      E-1
<PAGE>
<TABLE>
<CAPTION>
                                                                                                      OFFICER SINCE
                                                                              NO. OF INVESTMENT    -------------------
                                                                             COMPANIES ON WHICH     INVESTMENT GRADE
NAME; PRINCIPAL BUSINESS OCCUPATION                                             SERVES AS AN        MUNICIPAL INCOME
FOR THE PAST FIVE YEARS                            AGE          OFFICE           OFFICER (1)              FUND
- - - - ---------------------------------------------      ---      --------------  ---------------------  -------------------
<S>                                            <C>          <C>             <C>                    <C>
Julian F. Sluyters; Mr. Sluyters is a  senior          35   Vice President               30                  8/92
 vice  president  and  the  director  of  the                and Treasur-
 mutual fund  finance  division  of  Mitchell                er
 Hutchins.  Prior  to 1991,  he was  an audit
 senior manager with Ernst & Young LLP.
Gregory K.  Todd; Mr.  Todd is  a first  vice          39   Vice President               30                  6/93
 president  and associate  general counsel of                and Assistant
 Mitchell Hutchins. Prior to  1993, he was  a                Secretary
 partner   in  the   law  firm   of  Shereff,
 Friedman, Hoffman & Goodman.
Keith A. Weller; Mr.  Weller is a first  vice          34   Vice President             [24]                  9/95
 president  and associate  general counsel of                and Assistant
 Mitchell Hutchins.  From September  1987  to                Secretary
 May  1995,  he  was an  attorney  in private
 practice.

<CAPTION>
NAME; PRINCIPAL BUSINESS OCCUPATION             INSURED MUNICIPAL
FOR THE PAST FIVE YEARS                            INCOME FUND
- - - - ---------------------------------------------  -------------------
<S>                                            <C>
Julian F. Sluyters; Mr. Sluyters is a  senior            2/93
 vice  president  and  the  director  of  the
 mutual fund  finance  division  of  Mitchell
 Hutchins.  Prior  to 1991,  he was  an audit
 senior manager with Ernst & Young LLP.
Gregory K.  Todd; Mr.  Todd is  a first  vice            6/93
 president  and associate  general counsel of
 Mitchell Hutchins. Prior to  1993, he was  a
 partner   in  the   law  firm   of  Shereff,
 Friedman, Hoffman & Goodman.
Keith A. Weller; Mr.  Weller is a first  vice            9/95
 president  and associate  general counsel of
 Mitchell Hutchins.  From September  1987  to
 May  1995,  he  was an  attorney  in private
 practice.
</TABLE>

- - - - ------------------------------
(1)  indicates  only  investment  companies  for  which  Mitchell  Hutchins   or
     PaineWebber  serves as investment adviser; each  officer serves in the same
     capacity for each separate investment company.

                                      E-2
<PAGE>
                                                                      EXHIBIT FR

                       EXISTING FUNDAMENTAL RESTRICTIONS

    The  existing fundamental  restrictions of  each Fund  will be  found on the
following pages of this exhibit.

                               TABLE OF CONTENTS

<TABLE>
<S>                                                                                    <C>
Investment Grade Income Fund.........................................................       FR-2
Insured Municipal Income Fund........................................................       FR-3
</TABLE>

                                      FR-1
<PAGE>
INVESTMENT GRADE INCOME FUND
The Fund may not:

     (1) issue senior securities (including borrowing money from banks and other
entities and through  reverse repurchase  agreements), except (a)  the Fund  may
borrow  in an  amount not in  excess of 33  1/3% of total  assets (including the
amount  of  senior  securities  issued,  but  reduced  by  any  liabilities  and
indebtedness  not  constituting  senior  securities),  (b)  the  Fund  may issue
preferred stock having  a liquidation  preference in an  amount which,  combined
with   the  amount  of  any  liabilities  or  indebtedness  constituting  senior
securities, is not in excess of 50% of its total assets (computed as provided in
clause (a) above)  and (c) the  Fund may borrow  up to an  additional 5% of  its
total  assets (not  including the  amount borrowed)  for temporary  or emergency
purposes;

     (2) purchase the securities of any one  issuer if as a result more than  5%
of its total assets would be invested in the securities of that issuer, provided
that  securities issued  or guaranteed by  the U.S. government,  its agencies or
instrumentalities are not subject to  this limitation and further provided  that
up to 25% of the value of the Fund's total assets may be invested without regard
to this 5% limitation;

     (3)  make an investment in  any one industry if  the investment would cause
the aggregate value of all the Fund's investments in such industry to equal  25%
or  more of  the Fund's  total assets; provided  that this  limitation shall not
apply to investments in securities issued or guaranteed by the U.S.  government,
its  agencies or  instrumentalities, and  provided further  that this limitation
does not apply  to Municipal  Obligations other than  those backed  only by  the
assets and revenues of a non-governmental entity;

     (4)  purchase securities on margin, except for short-term credits necessary
for clearance  of portfolio  transactions, and  except that  the Fund  may  make
margin  deposits in  connection with its  use of options,  futures contracts and
options on futures contracts;

     (5) engage in  the business  of underwriting securities  of other  issuers,
except  to  the extent  that, in  connection with  the disposition  of portfolio
securities, the Fund may be deemed an underwriter under federal securities  laws
and except that the Fund may write options;

     (6)  make short  sales of securities  or maintain a  short position, except
that the  Fund  may maintain  short  positions in  connection  with its  use  of
options,  futures  contracts and  options on  futures  contracts and  sell short
"against the box;"

     (7) purchase or sell real estate (including real estate limited partnership
interests), 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
interests therein, and provided further that the Fund may exercise rights  under
agreements  relating to such securities, including the right to enforce security
interests and liquidate real estate acquired as a result of such enforcement;

     (8) purchase or sell  commodities or commodity  contracts, except that  the
Fund may purchase or sell financial futures contracts and options thereon;

     (9) invest in oil, gas or mineral-related programs or leases; or

    (10)   make  loans,  except  through  loans  of  portfolio  instruments  and
repurchase agreements,  provided  that  for purposes  of  this  restriction  the
acquisition  of bonds, debentures or other debt instruments or interests therein
and  investment  in   government  obligations,   short-term  commercial   paper,
certificates  of deposit and bankers' acceptances shall  not be deemed to be the
making of a loan.

    For purposes  of  limitation (2),  each  state (including  the  District  of
Columbia),   territory  and  possession  of   the  United  States,  each  public
subdivision, agency, instrumentality and authority thereof, and each multi-state
agency of which a state is a member is a separate "issuer." When the assets  and
revenues of an agency, authority, instrumentality or other political subdivision
are  separate from the  government creating the subdivision  and the security is
backed only by the assets and

                                      FR-2
<PAGE>
revenues of the  subdivision, such subdivision  would be deemed  to be the  sole
issuer.  Similarly, in the case of an IDB or PAB, if that bond is backed only by
the assets and revenues of the non-governmental user, then such non-governmental
user would be deemed to be the sole issuer. However, if the creating  government
or  another entity guarantees a  security, then to the  extent that the value of
all securities issued or  guaranteed by such government  or entity and owned  by
the  Fund exceeds  10% of  the Fund's  total assets,  such a  guarantee would be
considered a separate security and would be treated as issued by such government
or entity. The foregoing restrictions do not limit the percentage of the  Fund's
assets  that  may be  invested  in Municipal  Obligations  insured by  any given
insurer.

INSURED MUNICIPAL INCOME FUND
The Fund may not:

     (1) issue senior securities (including borrowing money from banks and other
entities and through  reverse repurchase  agreements), except (a)  the Fund  may
borrow  in an  amount not in  excess of 33  1/3% of total  assets (including the
amount  of  senior  securities  issued,  but  reduced  by  any  liabilities  and
indebtedness  not  constituting  senior  securities),  (b)  the  Fund  may issue
preferred stock having  a liquidation  preference in an  amount which,  combined
with   the  amount  of  any  liabilities  or  indebtedness  constituting  senior
securities, is not in excess of 50% of its total assets (computed as provided in
clause (a) above)  and (c) the  Fund may borrow  up to an  additional 5% of  its
total  assets (not  including the  amount borrowed)  for temporary  or emergency
purposes;

     (2) purchase the securities of any one  issuer if as a result more than  5%
of its total assets would be invested in the securities of that issuer, provided
that  securities issued  or guaranteed by  the U.S. government,  its agencies or
instrumentalities are not subject to  this limitation and further provided  that
up to 25% of the value of the Fund's total assets may be invested without regard
to this 5% limitation;

     (3)  make an investment in  any one industry if  the investment would cause
the aggregate value of all the Fund's investments in such industry to equal  25%
or  more of  the Fund's  total assets; provided  that this  limitation shall not
apply to investments in securities issued or guaranteed by the U.S.  government,
its  agencies or  instrumentalities, and  provided further  that this limitation
does not apply  to Municipal  Obligations other than  those backed  only by  the
assets and revenues of a non-governmental entity;

     (4)  purchase securities on margin, except for short-term credits necessary
for clearance  of portfolio  transactions, and  except that  the Fund  may  make
margin  deposits in  connection with its  use of options,  futures contracts and
options on futures contracts;

     (5) engage in  the business  of underwriting securities  of other  issuers,
except  to  the extent  that, in  connection with  the disposition  of portfolio
securities, the Fund may be deemed an underwriter under federal securities  laws
and except that the Fund may write options;

     (6)  make short  sales of securities  or maintain a  short position, except
that the  Fund  may maintain  short  positions in  connection  with its  use  of
options,  futures  contracts and  options on  futures  contracts and  sell short
"against the box;"

     (7) purchase or sell real estate (including real estate limited partnership
interests), 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
interests therein, and provided further that the Fund may exercise rights  under
agreements  relating to such securities, including the right to enforce security
interests and liquidate real estate acquired as a result of such enforcement;

     (8) purchase or sell  commodities or commodity  contracts, except that  the
Fund may purchase or sell financial futures contracts and options thereon;

     (9) invest in oil, gas or mineral-related programs or leases; or

                                      FR-3
<PAGE>
    (10)   make  loans,  except  through  loans  of  portfolio  instruments  and
repurchase agreements,  provided  that  for purposes  of  this  restriction  the
acquisition  of bonds, debentures or other debt instruments or interests therein
and  investment  in   government  obligations,   short-term  commercial   paper,
certificates  of deposit and bankers' acceptances shall  not be deemed to be the
making of a loan.

    For purposes  of  limitation (2),  each  state (including  the  District  of
Columbia),   territory  and  possession  of   the  United  States,  each  public
subdivision, agency, instrumentality and authority thereof, and each multi-state
agency of which a state is a member is a separate "issuer." When the assets  and
revenues of an agency, authority, instrumentality or other political subdivision
are  separate from the  government creating the subdivision  and the security is
backed only by  the assets  and revenues  of the  subdivision, such  subdivision
would  be deemed to be the sole issuer.  Similarly, in the case of an industrial
development bond  ("IDB") or  private activity  bond ("PAB"),  if that  bond  is
backed  only by the assets and revenues  of the non-governmental user, then such
nongovernmental user would  be deemed  to be the  sole issuer.  However, if  the
creating  government or another entity guarantees a security, then to the extent
that the value  of all  securities issued or  guaranteed by  such government  or
entity  and owned  by the Fund  exceeds 10% of  the Fund's total  assets, such a
guarantee would be considered a separate security and would be treated as issued
by such  government or  entity.  The foregoing  restrictions  do not  limit  the
percentage  of the Fund's  assets that may be  invested in Municipal Obligations
insured by any given insurer.

                                      FR-4
<PAGE>

                                                                    Common Stock
                                                                         and APS

                                      PROXY

                   INVESTMENT GRADE MUNICIPAL INCOME FUND INC.
             PAINEWEBBER PREMIER INSURED MUNICIPAL INCOME FUND INC.

              Special Meetings of Shareholders-______________, 1996

THIS PROXY IS SOLICITED ON BEHALF OF THE BOARDS OF DIRECTORS OF EACH OF THE
ABOVE LISTED COMPANIES.  The undersigned hereby appoints as proxies ___________
and ________________ and each of them (with power of substitution) to vote for
the undersigned all shares of common stock and auction preferred shares ("APS")
of the undersigned in the Company specified on the mailing label on this proxy
card at the above referenced meetings and any adjournment thereof, with all the
power the undersigned would have if personally present.  The shares represented
by this proxy will be voted as instructed. UNLESS INDICATED TO THE CONTRARY,
THIS PROXY SHALL BE DEEMED TO GRANT AUTHORITY TO VOTE "FOR" ALL PROPOSALS
RELATING TO THE RELEVANT COMPANY.


                             YOUR VOTE IS IMPORTANT

Please date and sign this proxy on the reverse side and return it in the
enclosed envelope to Alamo Direct Mail Services, Inc., 10 Lucon Drive, Deer
Park, NY 11729.

        PLEASE INDICATE YOUR VOTE BY AN "X" IN THE APPROPRIATE BOX BELOW.
                  THE BOARD OF DIRECTORS RECOMMENDS A VOTE "FOR"

1.   FOR ALL SHAREHOLDERS (COMMON AND APS) OF EACH COMPANY:
     Election of nine members of its Board of Directors to serve until the next
     annual meeting or until their successors are duly elected and qualified;

     ____ FOR all nominees listed below     ____ WITHHOLD AUTHORITY to vote for
          (except as marked to the               all nominees listed below
          contrary below)

(INSTRUCTION:  To withhold authority to vote for any individual nominee, strike
through the nominees's name in the list below.)

Richard Q. Armstrong, E. Garrett Bewkes, Jr., Richard Burt, Mary C. Farrell,
George W. Gowen, Frederic V. Malek, Carl W. Schafer, John R. Torell III,
[_____________]

2.   ONLY FOR APS HOLDERS OF EACH COMPANY:
     Election of two members of its Board of Directors to serve until the
     next annual meeting or until their successors are duly elected and
     qualified;

     ____ FOR all nominees listed below     ____ WITHHOLD AUTHORITY to vote for
          (except as marked to the               all nominees listed below
          contrary below)

(INSTRUCTION:  To withhold authority to vote for any individual nominee, strike
through the nominee's name in the list below.)

Margo N. Alexander, Meyer Feldberg
                                                      FOR    AGAINST    ABSTAIN
3.   FOR ALL SHAREHOLDERS (COMMON AND APS) OF EACH COMPANY:
     Approval of certain changes to the
     Company's fundamental investment restrictions   ____     ____        ____

4.   FOR ALL SHAREHOLDERS (COMMON AND APS) OF PAINEWEBBER PREMIER
     INSURED MUNICIPAL INCOME FUND INC. ONLY:
     Approval of amendment to its Articles of
     Incorporation to change its name                ____     ____        ____


                     CONTINUED AND TO BE SIGNED ON REVERSE SIDE
<PAGE>

This proxy will not be voted unless it is dated and signed exactly as instructed
below.

If shares are held by an individual, sign your name exactly as it appears on
this proxy card.  If shares are held jointly, either party may sign, but the
name of the party signing should conform exactly to the name shown on this
proxy card. If shares are held by a corporation, partnership or similar
account, the name and the capacity of the individual signing the proxy card
should be indicated -- for example:  "ABC Corp., John Doe, Treasurer."

                                          Sign exactly as name appears hereon.

                                                                (L.S.)
                                        ------------------------

                                                                (L.S.)
                                        ------------------------

                                        Date                    , 1996
                                            --------------------


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