PAINEWEBBER MASTER SERIES INC
485APOS, 1999-04-29
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     As filed with the Securities and Exchange Commission on April 29, 1999
    
                                            1933 Act:  Registration No.  33-2524
                                            1940 Act:  Registration No. 811-4448

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM N-1A

          REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 [ X ]

                         Pre-Effective Amendment No. [ ]
   
                      Post-Effective Amendment No. 36 [ X ]
    

      REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940 [ X ]
   
                             Amendment No. 29 [ X ]
    
                        (Check appropriate box or boxes.)

                         PAINEWEBBER MASTER SERIES, INC.
               (Exact name of registrant as specified in charter)
                           1285 Avenue of the Americas
                            New York, New York 10019
                    (Address of principal executive offices)

       Registrant's telephone number, including area code: (212) 713-2000

   
                            DIANNE E. O'DONNELL, ESQ.
    
                     Mitchell Hutchins Asset Management Inc.
                           1285 Avenue of the Americas
                            New York, New York 10019
                     (Name and address of agent for service)

                                   Copies to:

   
                             ELINOR W. GAMMON, ESQ.
                            BENJAMIN J. HASKIN, ESQ.
    
                           Kirkpatrick & Lockhart LLP
                  1800 Massachusetts Avenue, N.W.; Second Floor
                           Washington, D.C. 20036-1800
                            Telephone: (202) 778-9000

Approximate  Date of  Proposed  Public  Offering:  Effective  Date of this  Post
Effective Amendment.

It is proposed that this filing will become effective:
[ ] Immediately upon filing pursuant to Rule 485(b)
[ ] On pursuant to Rule 485(b)
[ ] 60 days after filing pursuant to Rule 485 (a)(1)
   
[X] On June 30, 1999 pursuant to Rule 485 (a)(1)
    
[ ] 75 days after filing pursuant to Rule 485(a)(2)
[ ] On pursuant to Rule 485(a)(2)

   
Title of Securities Being Registered: Class A, B and C Shares of Common Stock of
PaineWebber Money Market Fund.
    


<PAGE>

   









PAINEWEBBER
MONEY MARKET FUND







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

                                   PROSPECTUS

                                  JUNE 30, 1999

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


This prospectus  offers Class A, Class B and Class C shares of PaineWebber Money
Market Fund solely  through  exchange for shares of the  corresponding  class of
other PaineWebber funds.

As with all  mutual  funds,  the  Securities  and  Exchange  Commission  has not
approved or disapproved the fund's shares or determined  whether this prospectus
is complete or accurate. To state otherwise is a crime.

<PAGE>

PaineWebber Money Market Fund

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

                                    CONTENTS

                                    THE FUND

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

What every investor                3        Money Market Fund
should know about
the fund                          xx        More  About  Risks  and  Investment
                                             Strategies


                                 YOUR INVESTMENT

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

Information for                   xx        Managing Your Fund Account
managing your fund                          - Flexible Pricing
account                                     - Buying Shares
                                            - Selling Shares
                                            - Exchanging Shares
                                            - Pricing and Valuation

                             ADDITIONAL INFORMATION

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

Additional important              xx        Management
information about the
fund                              xx        Dividends and Taxes

                                  xx        Financial Highlights

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

Where to learn more
about PaineWebber                              Back Cover
mutual funds

                   ----------------------------------
                     The fund is not a complete or
                     balanced investment program.
                   ----------------------------------

                                       2

<PAGE>

PaineWebber Money Market Fund
- --------------------------------------------

PAINEWEBBER MONEY MARKET FUND

INVESTMENT OBJECTIVE, STRATEGIES AND RISKS
- ------------------------------------------

FUND OBJECTIVE

Maximum current income consistent with liquidity and conservation of capital.

PRINCIPAL INVESTMENT STRATEGIES

The  fund is a money  market  fund  and is  subject  to  maturity,  quality  and
diversification  requirements  designed  to help it  maintain a stable  price of
$1.00 per share.

The fund invests in a diversified  portfolio of high quality,  short-term  money
market  instruments  of  U.S.  and  foreign  issuers,   including  money  market
instruments  with  variable  and  floating  rate of  interest.  All  the  fund's
investments are denominated in U.S. dollars. Its investments include

o     commercial  paper  and  other  short-term   obligations  of  corporations,
      partnerships, trusts and other entities

o     government securities

o     bank obligations

o      repurchase agreements

Mitchell  Hutchins  Asset  Management  Inc.,  the  fund's  investment   adviser,
evaluates its  investments  based on credit  analysis and interest rate outlook.
Because the fund buys and sells its portfolio securities based on considerations
of safely of principal and liquidity,  the fund may not buy securities  that pay
the highest yield. The fund may attempt to increase its yield by trading to take
advantage of short-term market variations.

PRINCIPAL RISKS

An  investment  in the fund is not a bank  deposit  and is neither  insured  nor
guaranteed by the Federal Deposit Insurance  Corporation or any other government
agency.  While the fund seeks to maintain the value of your  investment at $1.00
per share, it is possible to lose money by investing in the fund.

Although the fund's  investments  are  considered  by Mitchell  Hutchins to have
minimal credit risk, they are not risk free and an issuer may not make principal
or interest  payments when due. The fund is subject to interest rate risk, which
means that the value of its investments  generally will fall when interest rates
rise and its yield will tend to lag behind prevailing short-term interest rates.
The fund's  investments  in money  market  instruments  of foreign  issuers  may
present  greater risk than  investments in the money market  instruments of U.S.
issuers.

More  information  about these and other risks of an  investment  in the fund is
provided  in "More  About  Risks and  Investment  Strategies"  below,  under the
following headings:

o     Credit Risk

o     Interest Rate Risk

o     Foreign Securities Risk

INFORMATION  ON  THE  FUND'S  RECENT  HOLDINGS  CAN  BE  FOUND  IN  ITS  CURRENT
ANNUAL/SEMI-ANNUAL  REPORTS (SEE BACK COVER FOR  INFORMATION  ON ORDERING  THOSE
REPORTS).

                                       3

<PAGE>

PaineWebber Money Market Fund
- --------------------------------------------


PERFORMANCE
- -----------


RISK/RETURN BAR CHART AND TABLE

The  following  bar  chart  and  table  provide  information  about  the  fund's
performance  and thus give some  indication of the risks of an investment in the
fund.

The bar chart shows how the fund's performance has varied from year to year. The
bar chart shows Class B shares because they have the longest performance history
of any class of fund shares.  The bar chart does not reflect the effect of sales
charges; if it did, the total returns shown would be lower.

The table that  follows  the bar chart  shows the average  annual  returns  over
several  time  periods  for each  class of the  fund's  shares.  That table does
reflect fund sales charges.

The fund's past  performance  does not  necessarily  indicate  how the fund will
perform in the future.


MONEY MARKET FUND -- TOTAL RETURN ON CLASS B SHARES


                               [INSERT BAR CHART]



NOTE:  Calendar year-to-date total return as of March 31, 1999 --         %
       Best quarter during years shown:         quarter, 19    --         %
       Worst quarter during years shown:        quarter, 19    --         %


         AVERAGE ANNUAL TOTAL RETURNS
         as of December 31, 1998

CLASS                          CLASS A        CLASS B*        CLASS C
(INCEPTION DATE)               (7/1/91)       (9/26/86)       (7/14/92)
One Year
Five Years
Ten Years                      N/A                        N/A
Life of Class

- -----------
*     Reflects conversion of Class B shares to Class A after six years.

                                       4

<PAGE>

PaineWebber Money Market Fund
- --------------------------------------------



EXPENSES AND FEE TABLES
- -----------------------

FEES AND EXPENSES  These tables  describe the fees and expenses that you may pay
if you buy and hold shares of the fund.


SHAREHOLDER TRANSACTION EXPENSES (fees paid directly from your investments)

                                                 CLASS A     CLASS B     CLASS C
Maximum Sales
Charge (Load) Imposed on Purchases (as a %
of offering price)                               None        None        None
Maximum
Contingent Deferred
Sales Charge (Load) (CDSC)
(as a % of offering price)                       None        5%          1.00%
Exchange Fee                                     None        None        None

ANNUAL FUND OPERATING EXPENSES (expenses that are deducted from fund assets)

                                                 CLASS A     CLASS B     CLASS C
Management Fees                                  0.50%       0.50%       0.50%
Distribution and/or Service
(12b-1) Fees                                     0.25        0.75        0.75
Other Expenses
Total Annual Fund Operating Expenses


EXAMPLE

This  example  is  intended  to  help  you  compare  the  cost of  investing  in
PaineWebber Money Market Fund with the cost of investing in other mutual funds.

This example  assumes  that you invest  $10,000 in the fund for the time periods
indicated and then redeem all of your shares at the end of those periods  unless
otherwise stated.  The example also assumes that your investment has a 5% return
each year and that the fund's operating expenses remain the same.  Although your
actual costs may be higher or lower, based on these assumptions your costs would
be:

<TABLE>
<CAPTION>
                                                           1 YEAR      3 YEARS      5 YEARS      10 YEARS
<S>                                                        <C>         <C>          <C>          <C>
Class A
Class B (assuming sales of all shares at end of period)
Class B (assuming no sales of shares)
Class C (assuming sales of all shares at end of period)
Class C (assuming no sales of shares)
</TABLE>

                                       5

<PAGE>


PaineWebber Money Market Fund
- --------------------------------------------


MORE ABOUT RISKS AND INVESTMENT STRATEGIES
- ------------------------------------------


PRINCIPAL RISKS

The main risks of  investing  in the fund are  described  below.  Other risks of
investing  in the  fund,  along  with  further  detail  about  some of the risks
described below, are discussed in the fund's Statement of Additional Information
("SAI").  Information on how you can obtain the SAI is on the back cover of this
prospectus.

CREDIT  RISK.  Credit  risk is the  risk  that  the  issuer  of a  money  market
instrument will not make principal or interest  payments when they are due. Even
if an issuer does not default on a payment,  a money market  instrument's  value
may decline if the market believes that the issuer has become less able, or less
willing,  to make payments on time.  Even high quality money market  instruments
are subject to some credit risk. A money market instrument that is downgraded in
quality  or  otherwise  is  considered  subject to  greater  credit  risk may be
difficult or impossible to sell at the time and price the fund desires.

INTEREST  RATE RISK.  The value of money  market  instruments  generally  can be
expected to fall when interest  rates rise and to rise when interest rates fall.
Interest rate risk is the risk that interest  rates will rise, so that the value
of the fund's investments will fall. In addition, when interest rates are rising
or falling,  the fund's yield will tend to lag behind the prevailing  short-term
interest rates. This means that when interest rates are rising, the fund's yield
will tend to be somewhat lower than  prevailing  short-term  interest rates and,
when interest rates fall, the fund's yield generally will be somewhat higher.

FOREIGN  SECURITIES RISK. Foreign securities involve risks that normally are not
associated  with  securities of U.S.  issuers.  These include risks  relating to
political,  social and economic developments abroad and differences between U.S.
and foreign regulatory requirements and market practices.


ADDITIONAL RISKS

YEAR 2000 RISK. The fund could be adversely affected by problems relating to the
inability  of computer  systems  used by Mitchell  Hutchins and the fund's other
service providers to recognize the year 2000. While year  2000-related  computer
problems could have a negative effect on the fund,  Mitchell Hutchins is working
to avoid these  problems with respect to its own computer  systems and to obtain
assurances from other service providers that they are taking similar steps.

Similarly, the issuers whose money market instruments are bought by the fund and
the trading systems used by the fund could be adversely  affected by this issue.
The ability of an issuer or trading system to respond  successfully to the issue
requires both technological  sophistication  and diligence,  and there can be no
assurance  that any steps taken will be sufficient to avoid an adverse impact on
the fund.

ADDITIONAL INVESTMENT STRATEGIES

In  managing  the fund's  portfolio,  Mitchell  Hutchins  may employ a number of
professional  money  management  techniques to respond to changing  economic and
money  market  conditions  and to shifts in fiscal and  monetary  policy.  These
techniques  include varying the composition and the weighted average maturity of
the portfolio  based upon its assessment of the relative values of various money
market instruments and future interest rate patterns. Mitchell Hutchins also may
seek to improve the fund's yield by  purchasing  or selling  securities  to take
advantage  of  yield  disparities  among  similar  or  dissimilar  money  market
instruments that regularly occur in the money markets.

                                       6

<PAGE>


PaineWebber Money Market Fund
- --------------------------------------------

YOUR INVESTMENT


MANAGING YOUR FUND ACCOUNT
- --------------------------


FLEXIBLE PRICING
- ----------------

The fund offers three  classes of shares - Class A, Class B and Class C - solely
through  exchange  for shares of the  corresponding  class of other  PaineWebber
funds.  No  front-end  sales  charge is imposed  when fund  shares are  acquired
through an exchange,  and no  contingent  deferred  sales charge is imposed when
shares of another PaineWebber fund are exchanged for the fund's shares.

The fund and the other  PaineWebber  funds that use the Flexible  Pricing system
have  adopted  plans  under  rule  12b-1 for their  Class A, Class B and Class C
shares  that  allow  each fund to pay  service  fees for  services  provided  to
shareholders and (for Class B and Class C shares) distribution fees for the sale
of its  shares.  Because  the  12b-1  distribution  fees for Class B and Class C
shares are paid out of a fund's assets on an ongoing basis,  over time they will
increase  the cost of your  investment  and may cost you more than if you paid a
front-end sale charge.


CLASS A SHARES

Class A shares of the fund  have no  front-end  sales  charge  because  they are
acquired  through an exchange  for Class A shares of another  PaineWebber  fund.
Class A shares of other  PaineWebber  funds  generally  have a  front-end  sales
charge that is included in their  offering  price and is not invested in a fund.
Class A shares of the fund pay an annual  12b-1  service fee of 0.25% of average
net assets,  but they pay no 12b-1  distribution  fees. The ongoing expenses for
Class A shares are lower than for Class B and Class C shares.

You may have to pay a 1% contingent  deferred sales charge when you sell Class A
shares of the fund if

o    The front-end sales charge was waived for the Class A shares you exchanged
     for fund shares because your initial purchase was $1 million or more and

o    You sell your Class A shares of the fund  within  one year of the  initial
     purchase  date for the  Class A shares  that you later  exchanged  for fund
     shares

This  deferred  sales charge would be 1% of the lesser of the offering  price of
the Class A shares  initially  purchased  or the net asset  value of the Class A
shares of the fund at the time of sale.  We will not impose the  deferred  sales
charge  on  Class  A  shares  representing   reinvestment  of  dividends  or  on
withdrawals  in the first year after  purchase of up to 12% of the value of your
Class A shares under the Systematic Withdrawal Plan.

NOTE: If you want information on the fund's Systematic  Withdrawal Plan, see the
SAI or contact your PaineWebber Financial Advisor
or correspondent firm.

CLASS B SHARES

Class B shares have a  contingent  deferred  sales  charge.  When you  initially
purchase  Class B shares of a PaineWebber  fund, we invest 100% of your purchase
in that fund's shares and no deferred  sales charge is imposed when you exchange
those  shares for Class B shares of the fund.  However,  you may have to pay the
deferred sales charge when you sell your fund shares,  depending on how long you
own the shares.

The  fund's  Class B shares  pay an annual  12b-1  distribution  fee of 0.50% of
average net assets,  as well as an annual 12b-1  service fee of 0.25% of average
net assets. If you hold your Class B shares for six years after initial purchase
date for the Class B shares that you later  exchanged  for fund shares they will
automatically  convert to Class A shares of the fund,  which have lower  ongoing
expenses.

You will pay a deferred  sales charge if you sell Class B shares  before the end
of six years (four years for fund shares acquired in certain exchanges for Class
B shares of PaineWebber Low Duration U.S.  Government Income Fund). We calculate
the deferred  sales charge by  multiplying  the lesser of the net asset value of
the Class B shares  initially  purchased  or the net asset  value of the Class B
shares of the fund at the time of sale by the percentage shown below:

                                       7

<PAGE>

PaineWebber Money Market Fund
- --------------------------------------------


SALES OF FUND SHARES ACQUIRED  THROUGH AN EXCHANGE FOR SHARES OF PAINEWEBBER LOW
DURATION U.S. GOVERNMENT INCOME FUND

          IF YOU SELL               PERCENTAGE BY WHICH THE
         SHARES WITHIN:                SHARES' NET ASSET
         --------------              VALUE IS MULTIPLIED:
                                     --------------------

1st year since purchase                     3%
2nd year since purchase                     2
3rd year since purchase                     2
4th year since purchase                     1
5th year since purchase                   None


The above schedule  applies only if the exchanged shares would have been subject
to the same lower  deferred  sales charge  schedule if you sold them rather than
exchanging them for Class B shares of the fund.

SALES OF FUND  SHARES  ACQUIRED  THROUGH  AN  EXCHANGE  FOR  SHARES OF ANY OTHER
PAINEWEBBER FUND

          IF YOU SELL               PERCENTAGE BY WHICH THE
         SHARES WITHIN:                SHARES' NET ASSET
         --------------              VALUE IS MULTIPLIED:
                                     --------------------

1st year since purchase                        5%
2nd year since purchase                        4
3rd year since purchase                        3
4th year since purchase                        2
5th year since purchase                        2
6th year since purchase                        1
7th year since purchase                      None

We will not  impose the  deferred  sales  charge on Class B shares  representing
reinvestment  of  dividends  or on  withdrawals  in any year of up to 12% of the
value of your Class B shares under the Systematic Withdrawal Plan.

To minimize your deferred sales charge, we will assume that you are selling:

o     First, Class B shares representing reinvested dividends, and

o     Second, Class B shares that you have owned the longest.

SALES CHARGE WAIVERS.  You may qualify for a waiver of the deferred sales charge
on a sale of shares if:

o     You participate in the Systematic Withdrawal Plan;

o     You are older than  59-1/2 and are selling  shares to take a  distribution
      from certain types of retirement plans;

o     You receive a tax-free return of an excess IRA contribution;

o     You  receive  a  tax-qualified   retirement  plan  distribution  following
      retirement; or

o     The shares are sold within one year of your death and you owned the shares
      either  (1) as the sole  shareholder  or (2) with  your  spouse as a joint
      tenant with the right of survivorship.

NOTE: If you think you qualify for any of these sales charge  waivers,  you will
need to provide  documentation to PaineWebber or the fund. For more information,
you should contact your PaineWebber  Financial Advisor or correspondent  firm or
call 1-800-647-1568.  If you want information on the Systematic Withdrawal Plan,
see the SAI or contact your PaineWebber Financial Advisor or correspondent firm.

CLASS C SHARES

Class C shares  have a level  load  sales  charge in the form of  ongoing  12b-1
distribution  fees. When you initially  purchase Class C shares of a PaineWebber
fund, we invest 100% of your purchase in that fund's shares.

The  fund's  Class C shares  pay an annual  12b-1  distribution  fee of 0.50% of
average net assets,  as well as an annual 12b-1  service fee of 0.25% of average
net assets. Class C shares do not convert to another class of shares. This means
that you will pay the 12b-1 fees for as long as you own your shares.


                                       8
<PAGE>

Class C shares also have a contingent deferred sales charge. You may have to pay
the deferred  sales  charge if you sell your shares  within one year of the date
you  initially  purchased  the Class C shares that you later  exchanged for fund
shares.  The deferred  sales charge will be either 0.75% or 1.00%,  depending on
the deferred  sales charge that would have  applied to the  initially  purchased
Class C shares.  We  calculate  the  deferred  sales  charge on sales of Class C
shares by  multiplying  0.75% or 1.00% (as  applicable) by the lesser of the net
asset value of the Class C shares initially  purchased or the net asset value of
the  Class C shares  of the fund at the time of  sale.  We will not  impose  the
deferred sales charge on Class C shares  representing  reinvestment of dividends
or on  withdrawals in the first year after purchase of up to 12% of the value of
your Class C shares under the Systematic Withdrawal Plan.

                                       8A

<PAGE>

PaineWebber Money Market Fund
- --------------------------------------------


NOTE: If you want information on the fund's Systematic  Withdrawal Plan, see the
SAI or contact your PaineWebber Financial Advisor
or correspondent firm.

BUYING SHARES
- -------------

If you are a  PaineWebber  client,  or a client of a  PaineWebber  correspondent
firm, you can purchase fund shares by asking your Financial  Advisor to exchange
shares of another  PaineWebber fund for shares of the corresponding class of the
fund.  Otherwise,  you may acquire fund shares by writing to the funds' transfer
agent,  PFPC Inc., and  requesting an exchange of shares of another  PaineWebber
fund for  shares  of the  corresponding  class of the  fund.  You must make your
exchange request to the transfer agent in writing and include

o     Your name and address;

o     The name of the fund whose  shares you are selling to  purchase  shares of
      Money Market Fund;

o     Your account number;

o     How much you are exchanging (by dollar amount or by number of shares to be
      sold); and

o     A guarantee of each registered  owner's signature.  A signature  guarantee
      may be obtained from a financial  institution,  broker, dealer or clearing
      agency that is a participant in one of the medallion  programs  recognized
      by the  Securities  Transfer  Agents  Association.  These are:  Securities
      Transfer Agents  Medallion  Program  (STAMP),  Stock  Exchanges  Medallion
      Program (SEMP) and the New York Stock Exchange Medallion Signature Program
      (MSP).  The  transfer  agent  and the  funds  will  not  accept  signature
      guarantees that are not a part of these programs.

Mail the letter to:
      PFPC Inc.
      Attn.: PaineWebber Mutual Funds
      P.O. Box 8950
      Wilmington, DE  19899.

If you wish to invest in other PaineWebber funds, you can do so by:

o     Contacting  your Financial  Advisor (if you have an account at PaineWebber
      or at a PaineWebber correspondent firm);

o     Obtaining an application from the transfer agent by calling 1-800-647-1568
      and mailing the  completed  application  with a check to PFPC Inc.,  Attn:
      PaineWebber Mutual Funds, P.O. Box 8950, Wilmington, DE 19899; or

o     Opening an account by exchanging shares from another PaineWebber fund.

You do not have to complete an application when you make additional  investments
in the same fund.

You may exchange shares of another  PaineWebber  fund for shares of Money Market
Fund only after the first  purchase  has settled and the first fund has received
your payment.

The funds and Mitchell  Hutchins reserve the right to reject a purchase order or
suspend the offering of shares.

MINIMUM INVESTMENTS:
- --------------------

To open an account ................................... None
To add to an account ................................. None

o    The fund may impose minimum investment requirements at any time.

SELLING SHARES
- --------------

You can sell  your fund  shares  at any time.  If you own more than one class of
shares, you should specify which class you want to sell. If you do not, the fund
will assume that you want to sell shares in the following  order:  Class A, then
Class C and last, Class B.


                                       9
<PAGE>

If you have an account with PaineWebber or a PaineWebber correspondent firm, you
can sell shares by contacting your Financial Advisor.

If you do not have an account at  PaineWebber or a  correspondent  firm, and you
bought  your  shares  through the  transfer  agent,  you can sell your shares by
writing to the fund's transfer agent. Your letter must include:

o     Your name and address;

o     The fund's name;

o     The fund account number;

o     The dollar amount or number of shares you want to sell; and

      A guarantee of each registered owner's signature. (See "Buying Shares" for
      information on obtaining a signature guarantee).

                                       9A

<PAGE>

PaineWebber Money Market Fund
- --------------------------------------------

Mail the letter to:
      PFPC Inc.
      Attn.: PaineWebber Mutual Funds
      P.O. Box 8950
      Wilmington, DE  19899.

It costs the fund money to maintain shareholder  accounts.  Therefore,  the fund
reserves the right to repurchase  all shares in any account that has a net asset
value of less than $500.  If the fund  elects to do this with your  account,  it
will notify you that you can increase the amount invested to $500 or more within
60 days.  The fund will not  repurchase  shares in accounts that fall below $500
solely because of a decrease in the fund's net asset value.

EXCHANGING SHARES
- -----------------

You may  exchange  Class A,  Class B or Class C shares of the fund for shares of
the same class of most other PaineWebber funds.

You will not pay either a front-end sales charge or a deferred sales charge when
you exchange shares. However, you may have to pay a deferred sales charge if you
later sell the shares you acquired in the exchange.  Each fund will use the date
that you initially  purchased the exchanged shares to determine whether you must
pay a deferred sales charge when you sell the shares in the acquired fund.

Other PaineWebber funds may have different minimum investment  amounts.  You may
not be able to  exchange  your  shares if your  exchange  is not as large as the
minimum investment amount in that other fund.

PAINEWEBBER  CLIENTS  If  you  bought  your  shares  through  PaineWebber  or  a
correspondent  firm,  you may exchange your shares by placing an order with your
PaineWebber Financial Advisor.

OTHER  INVESTORS If you are not a  PaineWebber  client,  you may  exchange  your
shares by writing to the fund's transfer agent. You must include:

o     Your name and address;

o     The name of the fund whose shares you are selling and the name of the fund
      whose shares you want to buy;

o     Your account number;

o     How much you are exchanging (by dollar amount or by number of shares to be
      sold); and

o     A guarantee of your  signature.  (See "Buying  Shares" for  information on
      obtaining a signature guarantee.)

Mail the letter to:
      PFPC Inc.
      Attn.: PaineWebber Mutual Funds
      P.O. Box 8950
      Wilmington, DE  19899.

The fund may modify or terminate the exchange privilege at any time.


PRICING AND VALUATION
- ---------------------

The fund's net asset value per share is expected to be $1.00 per share, although
this value is not guaranteed.  The fund values its securities at their amortized
cost.  This method uses a constant  amortization  to maturity of the  difference
between the cost of the instrument to the fund and the amount due at maturity.

The fund  calculates  net asset  value on days that the New York Stock  Exchange
(NYSE) is open. The fund calculates net asset value separately for each class as
of the close of regular  trading  on the NYSE  (generally,  4:00  p.m.,  Eastern
time).  The NYSE normally is not open,  and the funds do not price their shares,
on national  holidays and on Good  Friday.  If trading on the NYSE is halted for
the day before  4:00 p.m.,  Eastern  time,  the fund's net asset value per share
will be calculated as of the time trading was halted.

Your price for  buying,  selling or  exchanging  shares will be based on the net
asset value that is next  calculated  after the fund accepts your order.  If you
place your order through  PaineWebber,  your  PaineWebber  Financial  Advisor is
responsible for making sure that your order is promptly sent to the fund.

You should  keep in mind that a deferred  sales  charge may be applied  when you
sell Class B or Class C shares.

                                       10

<PAGE>

PaineWebber Money Market Fund
- --------------------------------------------


MANAGEMENT
- ----------

INVESTMENT ADVISER

Mitchell   Hutchins  Asset  Management  Inc.  is  the  investment   adviser  and
administrator  of the fund.  Mitchell  Hutchins is located at 1285 Avenue of the
Americas,  New York,  New York,  10019,  and is a wholly owned asset  management
subsidiary of  PaineWebber  Incorporated,  which is wholly owned by Paine Webber
Group Inc., a publicly owned  financial  services  holding  company.  On May 31,
1999,  Mitchell  Hutchins was adviser or sub-adviser of 33 investment  companies
with 75 separate portfolios and aggregate assets of approximately $__._ billion.

ADVISORY FEES

The fund paid advisory fees to Mitchell Hutchins for the most recent fiscal year
at the annual rate of 0.50% of its average daily net assets.

                                       11

<PAGE>

PaineWebber Money Market Fund
- --------------------------------------------


DIVIDENDS AND TAXES
- -------------------

DIVIDENDS

The fund declares  dividends daily and pays them monthly.  The fund  distributes
any  net  short-term   capital  gain  annually,   but  may  make  more  frequent
distributions if necessary to maintain its share prices at $1.00 per share.

Classes with higher expenses are expected to have lower dividends.  For example,
Class B and Class C shares are  expected  to have lower  dividends  than Class A
shares.

You will  receive  dividends in  additional  shares of the same class unless you
elect to receive them in cash.  Contact your Financial Advisor at PaineWebber or
one of its corresponding firms if you prefer to receive dividends in cash.

TAXES

The  dividends  that you receive from the fund  generally are subject to federal
income tax  regardless of whether you receive them in additional  fund shares or
in cash. If you hold fund shares through a tax-exempt  account or plan,  such as
an IRA or 401(k) plan, dividends on your shares generally will not be subject to
tax.

The fund expects that its dividends will be taxed primarily as ordinary  income.
The fund will tell you how you should treat its dividends for tax purposes.

                                       12

<PAGE>

PaineWebber Money Market Fund
- --------------------------------------------


FINANCIAL HIGHLIGHTS
- --------------------

The following  financial  highlights  tables are intended to help you understand
the  fund's  financial  performance  for the past 5 years.  Certain  information
reflects  financial  results  for a single fund  share.  In the  tables,  "total
investment  return" represents the rate that an investor would have earned on an
investment in the fund (assuming reinvestment of all dividends).

The   information   in  the   financial   highlights   has   been   audited   by
PricewaterhouseCoopers  LLP, independent  accountants,  whose report, along with
the fund's  financial  statements,  are included in the fund's  annual report to
shareholders.  The  annual  report  may be  obtained  without  charge by calling
1-800-647-1568.

                                       13

<PAGE>

PaineWebber Money Market Fund
- --------------------------------------------


MONEY MARKET FUND


[FINANCIAL HIGHLIGHTS TO BE PROVIDED]

                                       14

<PAGE>

[BACK COVER]



Ticker Symbol:                                      Money Market Fund Class:  A:
                                                                              B:
                                                                              C:

If you want more  information  about  the  fund,  the  following  documents  are
available free upon request:

ANNUAL/SEMI-ANNUAL REPORTS

Additional  information about the fund's  investments is available in the fund's
annual and semi-annual reports to shareholders.

STATEMENT OF ADDITIONAL INFORMATION (SAI):

The SAI provides more detailed information about the fund and is incorporated by
reference into this prospectus.

You may discuss your  questions  about the fund by contacting  your  PaineWebber
Financial Advisor.  You may obtain free copies of annual and semi-annual reports
and the SAI by contacting the fund directly at 1-800-647-1568.

You may  review  and copy  information  about  the fund,  including  shareholder
reports and the SAI, at the Public Reference Room of the Securities and Exchange
Commission.  You can get text-only copies of reports and other information about
the fund:

o        For a fee, by writing to or calling the SEC's Public Reference Room,
         Washington, D.C.  20549-6009
         Telephone: 1-800-SEC-0330

o        Free, from the SEC's Internet website at: http://www.sec.gov



Investment Company Act File No.
PaineWebber Master Series, Inc. - 811-4448
   (PaineWebber Money Market Fund)

                                       15
    

<PAGE>

   
                          PAINEWEBBER MONEY MARKET FUND
                           1285 AVENUE OF THE AMERICAS
                            NEW YORK, NEW YORK 10019

                       STATEMENT OF ADDITIONAL INFORMATION

         PaineWebber  Money Market Fund is a diversified  series of  PaineWebber
Master  Series,  Inc., a  professionally  managed  open-end  investment  company
("Corporation").

         The  fund's  investment  adviser,   administrator  and  distributor  is
Mitchell Hutchins Asset Management Inc.  ("Mitchell  Hutchins"),  a wholly owned
asset  management  subsidiary of PaineWebber  Incorporated  ("PaineWebber").  As
distributor for the funds,  Mitchell Hutchins has appointed PaineWebber to serve
as the exclusive dealer for the sale of fund shares.

         Portions of the fund's Annual Report to Shareholders  are  incorporated
by reference  into this Statement of Additional  Information.  The Annual Report
accompanies  this  Statement  of  Additional  Information.  You  may  obtain  an
additional copy of the fund's Annual Report by calling toll-free 1-800-647-1568.

         This Statement of Additional Information is not a prospectus and should
be read only in conjunction with the fund's current  Prospectus,  dated June 30,
1999.  A copy of the  Prospectus  may be  obtained  by calling  any  PaineWebber
Financial Advisor or correspondent firm or by calling toll-free  1-800-647-1568.
This Statement of Additional Information is dated June 30, 1999.





                                         TABLE OF CONTENTS
                                                                          PAGE
                                                                          ----
      The Fund and Its Investment Policies..............................     2
      The Fund's Investments, Related Risks and Limitations.............     2
      Organization of the Corporation; Directors and Officers
           and Principal Holders of Securities..........................     9
      Investment Advisory and Distribution Arrangements.................    15
      Portfolio Transactions............................................    19
      Additional Exchange and Redemption Information and Other
           Services.....................................................    20
      Conversion of Class B Shares......................................    23
      Valuation of Shares...............................................    23
      Performance.......................................................    24
      Taxes.............................................................    27
      Other Information.................................................    27
      Financial Statements..............................................    28

<PAGE>


                      THE FUND AND ITS INVESTMENT POLICIES

         The fund's investment  objective may not be changed without shareholder
approval.  Except where noted, the other investment  policies of the fund may be
changed by its board without shareholder  approval.  As with other mutual funds,
there is no assurance that the fund will achieve its investment objective.

         The  fund  has  an  investment  objective  of  maximum  current  income
consistent with liquidity and conservation of capital.  The fund invests in high
quality money market  instruments  that have,  or are deemed to have,  remaining
maturities of 13 months or less. These instruments  include (1) U.S.  government
securities,  (2) obligations of U.S. and foreign banks, (3) commercial paper and
other  short-term   corporate   obligations  of  U.S.  and  foreign   companies,
governments  and  similar  entities,   including   variable  and  floating  rate
securities and participation  interests and (4) repurchase  agreements regarding
any of the foregoing.  The fund also may purchase participation interests in any
of the  securities in which it is permitted to invest.  Participation  interests
are pro rata  interests  in  securities  held by others.  The fund  maintains  a
dollar-weighted average portfolio maturity of 90 days or less

         The fund may invest in obligations (including  certificates of deposit,
bankers' acceptances, time deposits and similar obligations) of U.S. and foreign
banks having total assets at the time of purchase in excess of $1.5 billion. The
fund  may  invest  in  non-negotiable  time  deposits  of  U.S.  banks,  savings
associations  and similar  depository  institutions  only if the institution has
total  assets at the time of  purchase  in excess of $1.5  billion  and the time
deposit has a maturity of seven days or less.

         The fund may purchase only those  obligations  that  Mitchell  Hutchins
determines,  pursuant to procedures adopted by the board, present minimal credit
risks and are "Eligible Securities" as defined in Rule 2a-7 under the Investment
Company Act of 1940, as amended ("Investment Company Act").  Eligible Securities
include securities rated in one of the two highest short-term ratings categories
by at least two nationally recognized  statistical rating organizations ("rating
agencies") or rated in one of the two highest short-term ratings categories by a
single rating  agency if only that rating  agency has assigned the  obligation a
short-term  rating.  The fund also may rely on the short-term  rating and credit
quality of a  guarantee  of a security  (including  bond  insurance,  letters of
credit or  unconditional  demand  feature)  or the  issuer of the  guarantee  to
determine whether the security is an Eligible Security. Eligible Securities also
include unrated securities if Mitchell Hutchins determines the obligations to be
of comparable quality to rated securities that so qualify.

         "Second Tier Securities" are Eligible  Securities that are not rated in
the highest  short-term  ratings  category by the requisite  rating  agencies or
determined by Mitchell Hutchins to be of comparable quality and do not otherwise
qualify for treatment as "First Tier Securities"  under Rule 2a-7. (A definition
of First Tier  Securities  is set forth below.) The fund may invest no more than
5% of its total assets in Second Tier  Securities.  Although the fund may invest
in Second Tier  Securities of U.S.  companies,  it does not purchase  commercial
paper of foreign  companies,  governments and similar entities falling into this
category.  Further,  the fund  generally may invest no more than 5% of its total
assets  in the  securities  of a  single  issuer  (other  than  U.S.  government
securities).  The fund may purchase only U.S. dollar-denominated  obligations of
foreign issuers.

         The fund may invest up to 10% of its net assets in illiquid securities.
The fund may purchase securities on a when-issued or delayed delivery basis. The
fund  may  lend  its  portfolio   securities  to  qualified   broker-dealers  or
institutional investors in an amount up to 33-1/3% of its total assets. The fund
may  borrow up to 10% of its total  assets  for  temporary  purposes,  including
reverse repurchase  agreements  involving up to 5% of its total assets. The fund
may invest in the securities of other investment companies.

              THE FUND'S INVESTMENTS, RELATED RISKS AND LIMITATIONS

         The following  supplements the information  contained in the Prospectus
and above  concerning  the fund's  investments,  related risks and  limitations.
Except as otherwise  indicated in the  Prospectus or the Statement of Additional

                                       2

<PAGE>

Information,  the fund has have established no policy limitations on its ability
to use the investments or techniques discussed in these documents.

         YIELDS AND CREDIT  RATINGS OF MONEY MARKET  INSTRUMENTS.  The yields on
the money market instruments in which the fund invests (such as U.S.  government
securities, commercial paper and bank obligations) are dependent on a variety of
factors, including general money market conditions, conditions in the particular
market for the obligation,  the financial  condition of the issuer,  the size of
the offering,  the maturity of the obligation and the ratings of the issue.  The
ratings  assigned by rating agencies  represent their opinions as to the quality
of the obligations they undertake to rate. Ratings, however, are general and are
not  absolute  standards  of quality.  Consequently,  obligations  with the same
rating, maturity and interest rate may have different market prices.

         Subsequent  to its purchase by the fund, an issue may cease to be rated
or its rating may be reduced. If a security in the fund's portfolio ceases to be
a First Tier Security (as defined below) or Mitchell Hutchins becomes aware that
a security has received a rating below the second  highest  rating by any rating
agency, Mitchell Hutchins and, in certain cases, the fund's board, will consider
whether the fund should continue to hold the  obligation.  A First Tier Security
is either (1) rated in the highest  short-term  rating  category by at least two
rating agencies, (2) rated in the highest short-term rating category by a single
rating  agency  if only  that  rating  agency  has  assigned  the  obligation  a
short-term  rating,  (3) issued by an issuer that has received such a short-term
rating with respect to a security  that is  comparable is priority and security,
(4) subject to a guarantee  rated in the highest  short-term  rating category or
issued by a guarantor  that has  received  the highest  short-term  rating for a
comparable debt obligation or (5) unrated,  but determined by Mitchell  Hutchins
to be of  comparable  quality.  A  First  Tier  Security  rated  in the  highest
short-term category at the time of purchase that subsequently  receives a rating
below the highest rating category from a different rating agency may continue to
be considered a First Tier Security.

         U.S.  GOVERNMENT  SECURITIES  include  direct  obligations  of the U.S.
Treasury  (such as Treasury  bills,  notes or bonds) and  obligations  issued or
guaranteed as to principal and interest (but not as to market value) by the U.S.
government,  its agencies or its  instrumentalities.  U.S. government securities
include  mortgage-backed  securities issued or guaranteed by government agencies
or  government-sponsored  enterprises.  Other U.S. government  securities may be
backed  by the full  faith  and  credit  of the  U.S.  government  or  supported
primarily or solely by the creditworthiness of the government-related issuer or,
in the case of mortgage-backed securities, by pools of assets.

         U.S. government securities also include separately traded principal and
interest  components  of securities  issued or guaranteed by the U.S.  Treasury,
which are traded independently under the Separate Trading of Registered Interest
and Principal of Securities ("STRIPS") program.  Under the STRIPS programs,  the
principal  and interest  components  are  individually  numbered and  separately
issued by the U.S. Treasury.

         ASSET-BACKED   SECURITIES.   Asset-backed  securities  have  structural
characteristics  similar to  mortgage-backed  securities,  as  discussed in more
detail below.  However,  the underlying assets are not first lien mortgage loans
or interests therein, but include assets such as motor vehicle installment sales
contracts,  other  installment  sales  contracts,  home equity loans,  leases of
various  types of real and personal  property  and  receivables  from  revolving
credit (credit card) agreements.  Such assets are securitized through the use of
trusts or special purpose  corporations.  Payments or distributions of principal
and interest  may be  guaranteed  up to a certain  amount and for a certain time
period  by a letter of credit or pool  insurance  policy  issued by a  financial
institution unaffiliated with the issuer, or other

         VARIABLE AND FLOATING RATE SECURITIES AND DEMAND INSTRUMENTS.  The fund
may purchase variable and floating rate securities with remaining  maturities in
excess of 13 months issued by U.S. government agencies or  instrumentalities  or
guaranteed by the U.S. government.  In addition,  the fund may purchase variable
and floating  rate  securities  of other  issuers with  remaining  maturities in
excess of 13 month if the securities are subject to a demand feature exercisable
within  13 months  or less.  The  yields on these  securities  are  adjusted  in
relation to changes in specific  rates,  such as the prime rate,  and  different
securities may have different  adjustment  rates. The fund's investment in these
securities  must  comply  with  conditions  established  by the  Securities  and
Exchange Commission ("SEC") under which they may be considered to have remaining
maturities  of 13 months or less.  Certain of these  obligations  carry a demand
feature  that  gives the fund the right to tender  them back to the  issuer or a

                                       3

<PAGE>

remarketing  agent and receive the  principal  amount of the  security  prior to
maturity.  The  demand  feature  may be  backed  by  letters  of credit or other
liquidity support arrangements provided by banks or other financial institutions
whose credit standing affects the credit quality of the obligations.  Changes in
the credit  quality of these  institutions  could  cause  losses to the fund and
affect its share price.

         Generally,  the fund  intends to exercise  demand  features  (1) upon a
default  under  the  terms  of the  underlying  security,  (2) to  maintain  its
portfolio in accordance with its investment objective and policies or applicable
legal or regulatory  requirements  or (3) as needed to provide  liquidity to the
fund in  order  to meet  redemption  requests.  The  ability  of a bank or other
financial  institution  to  fulfill  its  obligations  under a letter of credit,
guarantee or other liquidity arrangement might be affected by possible financial
difficulties  of its borrowers,  adverse  interest rate or economic  conditions,
regulatory  limitations or other factors.  The interest rate on floating rate or
variable rate securities ordinarily is readjusted on the basis of the prime rate
of the bank that originated the financing or some other index or published rate,
such as the 90-day U.S.  Treasury  bill rate,  or is otherwise  reset to reflect
market rates of interest.  Generally,  these interest rate adjustments cause the
market value of floating  rate and variable rate  securities  to fluctuate  less
than the market value of fixed rate securities.

         VARIABLE  AMOUNT MASTER  DEMAND NOTES.  The fund may invest in variable
amount master demand notes,  which are  unsecured  redeemable  obligations  that
permit  investment  of varying  amounts at  fluctuating  interest  rates under a
direct  agreement  between Money Market  Portfolio and an issuer.  The principal
amount of these notes may be increased from time to time by the parties (subject
to specified  maximums) or decreased by the fund or the issuer.  These notes are
payable on demand and may or may not be rated.

         [COMMERCIAL  PAPER  AND  OTHER  SHORT-TERM  OBLIGATIONS.  The  fund may
purchase  commercial  paper,  which includes  short-term  obligations  issued by
corporations,  partnerships,  trusts or other  entities  to  finance  short-term
credit needs. The fund also may purchase  non-convertible  debt obligations with
no more than 397 days remaining to maturity at the time of purchase.  Short-term
obligations   issued  by  trusts  or  special   purpose   entities  may  include
certificates or notes that represent participations in or are backed by pools or
mortgages or credit card,  automobile or other types of receivables or financial
assets.  The fund may invest in funding  agreements  and  guaranteed  investment
contracts  issued by insurance  companies which are obligations of the insurance
company or its separate  account.  Funding  agreements  permit the investment of
varying  amounts  under a direct  agreement  between  the fund and an  insurance
company and provide that the principal amount may be increased from time to time
(subject to  specified  maximums)  by  agreement  of the parties or decreased by
either party. The fund expects to invest in funding  agreements with floating or
variable  rates that are  subject  to demand  features  that  permit the fund to
tender its  interest  back to the  issuer.  To the  extent  the fund  invests in
funding agreements and guaranteed  investment  contracts that either do not have
demand  features or have demand  features that may be exercised  more than seven
days after the date of  acquisition,  these  investments  will be subject to the
fund's  limitation  on  investments  in  illiquid  securities.  See "The  Fund's
Investments, Related Risks and Limitations -- Illiquid Securities."]

         INVESTING  IN  FOREIGN  SECURITIES.  The  fund's  investments  in  U.S.
dollar-denominated  securities  of foreign  issuers may  involve  risks that are
different  from  investments  in U.S.  issuers.  These risks may include  future
unfavorable  political and economic  developments,  possible  withholding taxes,
seizure of foreign deposits,  currency controls,  interest  limitations or other
governmental restrictions that might affect the payment of principal or interest
on the fund's  investments.  Additionally,  there may be less publicly available
information  about foreign  issuers  because they may not be subject to the same
regulatory requirements as domestic issuers.

         ILLIQUID SECURITIES. The term "illiquid securities" for purposes of the
Prospectus and Statement of Additional  Information means securities that cannot
be  disposed  of  within  seven  days in the  ordinary  course  of  business  at
approximately the amount at which a fund has valued the securities and includes,
among other things,  repurchase  agreements maturing in more than seven days and
restricted  securities  other than those  Mitchell  Hutchins has  determined are
liquid  pursuant to guidelines  established by the board. To the extent the fund

                                       4

<PAGE>

invests in illiquid  securities,  it may not be able readily to  liquidate  such
investments and may have to sell other investments if necessary to raise cash to
meet its obligations.

         Restricted  securities are not  registered  under the Securities Act of
1933, as amended ("Securities Act") and may be sold only in privately negotiated
or other  exempted  transactions  or after a  registration  statement  under the
Securities Act has become effective.  Where  registration is required,  the fund
may be  obligated  to pay  all  or  part  of  the  registration  expenses  and a
considerable  period may elapse between the time of the decision to sell and the
time  the  fund  may  be  permitted  to  sell  a  security  under  an  effective
registration statement. If, during such a period, adverse market conditions were
to develop,  the fund might obtain a less favorable price than prevailed when it
decided to sell.

         However,   not  all  restricted   securities  are  illiquid.   A  large
institutional market has developed for many U.S. and foreign securities that are
not registered under the Securities Act. Institutional  investors generally will
not seek to sell these instruments to the general public, but instead will often
depend either on an efficient  institutional  market in which such  unregistered
securities can be readily resold or on an issuer's ability to honor a demand for
repayment.  Therefore, the fact that there are contractual or legal restrictions
on resale to the general public or certain  institutions  is not  dispositive of
the liquidity of such investments.

         Institutional  markets for restricted securities also have developed as
a result of Rule 144A,  which  establishes a "safe harbor" from the registration
requirements  of the  Securities  Act  for  resales  of  certain  securities  to
qualified  institutional  buyers. Such markets include automated systems for the
trading,  clearance and  settlement of  unregistered  securities of domestic and
foreign issuers, such as the PORTAL System sponsored by the National Association
of Securities Dealers,  Inc. An insufficient  number of qualified  institutional
buyers interested in purchasing Rule 144A-eligible restricted securities held by
the fund,  however,  could affect adversely the  marketability of such portfolio
securities,  and the fund might be unable to dispose of such securities promptly
or at favorable prices.

         The  board   has   delegated   the   function   of  making   day-to-day
determinations of liquidity to Mitchell Hutchins pursuant to guidelines approved
by the  board.  Mitchell  Hutchins  takes  into  account a number of  factors in
reaching  liquidity  decisions,  including  (1) the  frequency of trades for the
security,  (2) the number of dealers that make quotes for the security,  (3) the
number of dealers that have undertaken to make a market in the security, (4) the
number of other potential  purchasers and (5) the nature of the security and how
trading is effected  (e.g.,  the time needed to sell the security,  how bids are
solicited  and the  mechanics  of  transfer).  Mitchell  Hutchins  monitors  the
liquidity  of  restricted   securities  in  the  fund's  portfolio  and  reports
periodically on such decisions to the board.

         REPURCHASE AGREEMENTS.  Repurchase agreements are transactions in which
the fund  purchases  securities or other  obligations  from a bank or securities
dealer (or its  affiliate)  and  simultaneously  commits  to resell  them to the
counterparty at an agreed-upon  date or upon demand and at a price  reflecting a
market  rate  of  interest  unrelated  to the  coupon  rate or  maturity  of the
purchased obligations.  The fund maintains custody of the underlying obligations
prior to their  repurchase,  either  through its regular  custodian or through a
special "tri-party"  custodian or sub-custodian that maintains separate accounts
for both the fund and its counterparty. Thus, the obligation of the counterparty
to pay the repurchase  price on the date agreed to or upon demand is, in effect,
secured by such  obligations.  Repurchase  agreements  carry  certain  risks not
associated with direct  investments in securities,  including a possible decline
in the market value of the underlying  obligations.  If their value becomes less
than  the  repurchase  price,  plus  any  agreed-upon   additional  amount,  the
counterparty  must  provide  additional  collateral  so  that at all  times  the
collateral  is at  least  equal to the  repurchase  price  plus any  agreed-upon
additional  amount.  The difference between the total amount to be received upon
repurchase  of the  obligations  and the  price  that was paid by the fund  upon
acquisition  is accrued as interest and included in its net  investment  income.
Repurchase   agreements   involving   obligations  other  than  U.S.  government
securities  (such as  commercial  paper and  corporate  bonds) may be subject to
special risks and may not have the benefit of certain  protections  in the event
of the counterparty's  insolvency. If the seller or guarantor becomes insolvent,
the fund may suffer  delays,  costs and possible  losses in connection  with the
disposition of collateral.  The fund intends to enter into repurchase agreements
only with  counterparties  in  transactions  believed  by  Mitchell  Hutchins to
present minimum credit risks in accordance  with  guidelines  established by the
board.

                                       5

<PAGE>

         REVERSE REPURCHASE  AGREEMENTS.  Reverse repurchase  agreements involve
the sale of  securities  held by the fund subject to its agreement to repurchase
the securities at an agreed-upon date or upon demand and at a price reflecting a
market rate of interest. Reverse repurchase agreements are subject to the fund's
limitation on borrowings  and may be entered into only with banks and securities
dealers.  While a reverse  repurchase  agreement is  outstanding,  the fund will
maintain, in a segregated account with its custodian, cash or liquid securities,
marked to market daily, in an amount at least equal to its obligations under the
reverse repurchase  agreement.  See "The Fund's  Investments,  Related Risks and
Limitations -- Segregated Accounts."

         Reverse  repurchase  agreements  involve the risk that the buyer of the
securities  sold by the fund might be unable to deliver them when the fund seeks
to repurchase.  If the buyer of securities under a reverse repurchase  agreement
files for bankruptcy or becomes insolvent, such buyer or trustee or receiver may
receive  an  extension  of time to  determine  whether to  enforce  that  fund's
obligation to repurchase the  securities,  and the fund's use of the proceeds of
the reverse  repurchase  agreement may  effectively  be restricted  pending such
decision.

         WHEN-ISSUED  AND DELAYED  DELIVERY  SECURITIES.  The fund may  purchase
securities  on a  "when-issued"  basis or may  purchase or sell  securities  for
delayed  delivery,  i.e.,  for issuance or delivery to or by the fund later than
the normal  settlement  date for such  securities  at a stated  price and yield.
[When-issued   securities  include  TBA  ("to  be  assigned")  securities.   TBA
securities  are  usually  mortgage-backed  securities  that are  purchased  on a
forward  commitment  basis with an approximate  principal  amount and no defined
maturity date. The actual principal amount and maturity date are determined upon
settlement  when the specific  mortgage  pools are assigned.] The fund generally
would not pay for such  securities or start earning  interest on them until they
are  received.  However,  when the fund  undertakes  a  when-issued  or  delayed
delivery  obligation,  it immediately assumes the risks of ownership,  including
the risks of price  fluctuation.  Failure  of the  issuer to  deliver a security
purchased by the fund on a when-issued  or delayed  delivery basis may result in
the  fund's   incurring  or  missing  an  opportunity  to  make  an  alternative
investment.  Depending on market  conditions,  a fund's  when-issued and delayed
delivery  purchase  commitments  could cause its net asset value per share to be
more  volatile,  because  such  securities  may increase the amount by which the
fund's total assets,  including the value of  when-issued  and delayed  delivery
securities held by that fund, exceeds its net assets.

         A security  purchased on a  when-issued  or delayed  delivery  basis is
recorded as an asset on the commitment  date and is subject to changes in market
value,  generally  based upon  changes  in the level of  interest  rates.  Thus,
fluctuation  in the value of the security from the time of the  commitment  date
will affect a fund's net asset value. When a fund commits to purchase securities
on a when-issued or delayed delivery basis, its custodian  segregates  assets to
cover the amount of the commitment.  See "The Fund's Investments,  Related Risks
and  Limitations--Segregated  Accounts."  The fund may sell the right to acquire
the security prior to delivery if Mitchell  Hutchins deems it advantageous to do
so, which may result in a gain or loss to the fund.

         INVESTMENTS  IN OTHER  INVESTMENT  COMPANIES.  The fund may  invest  in
securities  of other  money  market  funds,  subject to  Investment  Company Act
limitations  which at present restrict these  investments to no more than 10% of
the fund's total  assets.  The shares of other money market funds are subject to
the  management  fees and other  expenses of those funds.  At the same time, the
fund would continue to pay its own management  fees and expenses with respect to
all its  investments,  including  shares of other money market  funds.  The fund
invests  in  securities  of other  money  market  funds when  Mitchell  Hutchins
believes that the amounts to be invested are too small or are available too late
in the day to be effectively invested in money market instruments or that shares
of other money  market  funds  otherwise  would  provide a better  return than a
direct investment in money market instruments.

         LENDING OF PORTFOLIO  SECURITIES.  The fund is  authorized  to lend its
portfolio securities to broker-dealers or institutional  investors that Mitchell
Hutchins deems qualified. Lending securities enables the fund to earn additional
income, but could result in a loss or delay in recovering these securities.  The
borrower of the fund's portfolio securities must maintain acceptable  collateral
with the fund's  custodian in an amount,  marked to market daily, at least equal
to the  market  value  of the  securities  loaned,  plus  accrued  interest  and
dividends.  Acceptable collateral is limited to cash, U.S. government securities
and irrevocable  letters of credit that meet certain  guidelines  established by
Mitchell  Hutchins.  The fund may reinvest any cash  collateral  in money market
investments or other short-term liquid  investments.  In determining  whether to

                                       6

<PAGE>

lend  securities  to  a  particular  broker-dealer  or  institutional  investor,
Mitchell Hutchins will consider, and during the period of the loan will monitor,
all relevant  facts and  circumstances,  including the  creditworthiness  of the
borrower.  The fund will retain  authority to terminate  any of its loans at any
time.  The fund may pay fees in connection  with a loan and may pay the borrower
or  placing  broker  a  negotiated   portion  of  the  interest  earned  on  the
reinvestment  of  cash  held  as  collateral.  The  fund  will  receive  amounts
equivalent to any interest or other  distributions on the securities loaned. The
fund will regain record  ownership of loaned  securities to exercise  beneficial
rights,  such as voting and subscription  rights,  when regaining such rights is
considered to be in the fund's interest.

         Pursuant  to  procedures  adopted  by the board  governing  the  fund's
securities  lending  program,  PaineWebber has been retained to serve as lending
agent for the fund. The board also has authorized the payment of fees (including
fees calculated as a percentage of invested cash  collateral) to PaineWebber for
these services.  The board  periodically  reviews all portfolio  securities loan
transactions for which PaineWebber acted as lending agent.  PaineWebber also has
been approved as a borrower under the fund's securities lending program.

         SEGREGATED  ACCOUNTS.  When the fund enters into  certain  transactions
that involve obligations to make future payments to third parties, including the
purchase of  securities on a when-issued  or delayed  delivery  basis or reverse
repurchase  agreements,  it  will  maintain  with  an  approved  custodian  in a
segregated  account cash or liquid  securities,  marked to market  daily,  in an
amount  at  least  equal to the  fund's  obligation  or  commitment  under  such
transactions.

INVESTMENT LIMITATIONS OF THE FUND

         FUNDAMENTAL   LIMITATIONS.   The   following   fundamental   investment
limitations  cannot be changed for the fund without the affirmative  vote of the
lesser of (a) more than 50% of the outstanding  shares of the fund or (b) 67% or
more of the shares of the fund present at a  shareholders'  meeting if more than
50% of the  outstanding  shares are  represented  at the meeting in person or by
proxy. If a percentage restriction is adhered to at the time of an investment or
transaction,  later changes in percentage  resulting  from a change in values of
portfolio  securities  or  amount  of  total  assets  will not be  considered  a
violation of any of the following limitations.

         The fund will not:

         (1) 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 or to
certificates  of deposit and bankers  acceptances  of domestic  branches of U.S.
banks.

          The  following  interpretations  apply to, but are not a part of, this
fundamental restriction:  (a) domestic and foreign banking will be considered to
be  different  industries  and (b)  asset-backed  securities  will be grouped in
industries based upon their underlying  assets and not treated as constituting a
single, separate industry.

         (2) issue senior securities or borrow money,  except as permitted under
the Investment Company Act and then not in excess of 33 1/3% of the fund's total
assets  (including the amount of the senior securities issued but reduced by any
liabilities not constituting  senior  securities) at the time of the issuance or
borrowing,  except that the fund may borrow up to an  additional 5% of its total
assets (not including the amount borrowed) for temporary or emergency purposes.

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

                                       7

<PAGE>

          The  following  interpretation  applies  to but is not  part  of  this
fundamental  restriction:  the  fund's  investments  in  master  notes,  funding
agreements and similar  instruments will not be considered to be the making of a
loan.

         (4) 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.

         (5) 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.

         (6) 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.

         (7) 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:  Mortgage-  and  asset-backed  securities  will not be
considered  to have been issued by the same  issuer by reason of the  securities
having the same sponsor,  and mortgage- and asset-backed  securities issued by a
finance or other  special  purpose  subsidiary  that are not  guaranteed  by the
parent  company will be  considered  to be issued by a separate  issuer from the
parent company.

         NON-FUNDAMENTAL  LIMITATIONS. The following investment restrictions are
non-fundamental  and may be changed by the vote of the board without shareholder
approval.

         The fund will not:

         (1) invest  more than 10% of its net assets  (15% of net assets for Low
Duration Fund and Strategic Income Fund) in illiquid securities.

         (2) purchase  portfolio  securities while borrowings in excess of 5% of
its total assets are outstanding.

         (3)  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.

         (4) 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.

         (5) purchase  securities of other investment  companies,  except to the
extent  permitted by the Investment  Company Act and except that this limitation
does not apply to securities  received or acquired as dividends,  through offers
of  exchange,  or as a result of  reorganization,  consolidation,  or merger and
except  that the fund  will  not  purchase  securities  of  registered  open-end
investment  companies  or  registered  unit  investment  trusts in  reliance  on
Sections 12(d)(1)(F) or 12(d)(1)(G) of the Investment Company Act of 1940).

                                       8

<PAGE>


  ORGANIZATION OF CORPORATION; DIRECTORS AND OFFICERS AND PRINCIPAL HOLDERS OF
                                   SECURITIES

         The  Corporation  was  organized  on  October  29,  1985 as a  Maryland
corporation and has two operating series. The Corporation has authority to issue
10 billion  shares of common  stock,  par value $.001 per share.  One billion of
those shares are classified as shares of the fund.  The  Corporation is governed
by a board of directors, which oversees the fund's operations. The board also is
authorized to establish additional series.

         The directors and executive  officers of the  Corporation,  their ages,
business addresses and principal occupations during the past five years are:

<TABLE>
<CAPTION>
      NAME AND ADDRESS*; AGE           POSITION WITH CORPORATION       BUSINESS EXPERIENCE; OTHER DIRECTORSHIPS
      ----------------------           -------------------------       ----------------------------------------
<S>                                     <C>                         <C>
Margo N. Alexander**; 52                Director and President       Mrs.  Alexander is chairman (since March 1999), chief executive
                                                                     officer  and a director  of Mitchell  Hutchins  (since  January
                                                                     1995),  and an  executive  vice  president  and a  director  of
                                                                     PaineWebber (since March 1984). Mrs. Alexander is president and
                                                                     a  director  or trustee of 32  investment  companies  for which
                                                                     Mitchell  Hutchins,  PaineWebber  or  one of  their  affiliates
                                                                     serves as investment adviser.

Richard Q. Armstrong; 64                Director                     Mr. Armstrong  is chairman and  principal of R.Q.A. Enterprises
R.Q.A. Enterprises                                                   (management consulting firm) (since  April  1991 and  principal
One Old Church Road                                                  occupation   since    March    1995).    Mr.  Armstrong     was
Unit #6                                                              chairman of the  board,  chief  executive officer and  co-owner
Greenwich, CT 06830                                                  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  is a  director  or  trustee  of  31  investment
                                                                     companies for which  Mitchell  Hutchins,  PaineWebber or one of
                                                                     their affiliates serves as investment adviser.


                                                                 9

<PAGE>

      NAME AND ADDRESS*; AGE           POSITION WITH CORPORATION       BUSINESS EXPERIENCE; OTHER DIRECTORSHIPS
      ----------------------           -------------------------       ----------------------------------------

E. Garrett Bewkes, Jr.**; 72         Director and Chairman of the    Mr.  Bewkes  is  a  director of  Paine Webber Group  Inc.  ("PW
                                          Board of Directors         Group") (holding company of PaineWebber and Mitchell Hutchins).
                                                                     Prior to December 1995, he was 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 a
                                                                     director of Interstate  Bakeries  Corporation.  Mr. Bewkes is a
                                                                     director  or  trustee  of 35  investment  companies  for  which
                                                                     Mitchell  Hutchins,  PaineWebber  or  one of  their  affiliates
                                                                     serves as investment adviser.

Richard R. Burt; 52                            Director              Mr.  Burt is  chairman  of IEP  Advisors,  Inc.  international)
1275 Pennsylvania Ave, N.W.                                          investments   and   consulting firm)  (since March  1994) and a
Washington, DC  20004                                                partner of  McKinsey  & Company  (management  consulting  firm)
                                                                     (since 1991).  He is also a director of  Archer-Daniels-Midland
                                                                     Co.  (agricultural  commodities),  Hollinger  International Co.
                                                                     (publishing),  Homestake Mining Corp.,  Powerhouse Technologies
                                                                     Inc. and Wierton Steel Corp. 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 is a director or trustee of 31
                                                                     investment  companies for which Mitchell Hutchins,  PaineWebber
                                                                     or one of their affiliates serves as investment adviser.

Mary C. Farrell**; 49                          Director              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 appears as a regular  panelist on Wall
                                                                     $treet Week with Louis  Rukeyser.  She also serves on the Board
                                                                     of Overseers of New York University's Stern School of Business.
                                                                     Ms. Farrell is a director or trustee of 31 investment companies
                                                                     for  which  Mitchell  Hutchins,  PaineWebber  or one  of  their
                                                                     affiliates serves as investment adviser.

                                                                 10

<PAGE>

      NAME AND ADDRESS*; AGE           POSITION WITH CORPORATION       BUSINESS EXPERIENCE; OTHER DIRECTORSHIPS
      ----------------------           -------------------------       ----------------------------------------

Meyer Feldberg; 57                             Director              Mr.   Feldberg   is  Dean  and   Professor   of  Management  of
Columbia University                                                  the Graduate  School  of  Business, Columbia University.  Prior
101 Uris Hall                                                        to  1989,  he  was   president   of the   Illinois Institute of
New York, NY  10027                                                  Technology. Dean Feldberg is also a director of Primedia, Inc.,
                                                                     Federated   Department  Stores,  Inc.  and  Revlon,  Inc.  Dean
                                                                     Feldberg  is a director or trustee of 34  investment  companies
                                                                     for  which  Mitchell  Hutchins,  PaineWebber  or one  of  their
                                                                     affiliates serves as investment adviser.

George W. Gowen; 69                            Director              Mr.  Gowen  is a  partner  in the  law   firm  of   Dunnington,
666 Third Avenue                                                     Bartholow  & Miller.  Prior to May  1994, he  was a  partner in
New York, NY  10017                                                  the law firm of Fryer, Ross & Gowen. Mr. Gowen is a director or
                                                                     trustee of 34 investment companies for which Mitchell Hutchins,
                                                                     PaineWebber  or one of their  affiliates  serves as  investment
                                                                     adviser.

Frederic V. Malek; 62                          Director              Mr. Malek is  chairman of  Thayer Capital  Partners   (merchant
1455 Pennsylvania Ave, N.W.                                          bank). From January 1992 to November 1992,   he was  a campaign
Suite 350                                                            manager  of    Bush-Quayle  '92.    From 1990 to 1992,   he was
Washington, DC  20004                                                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.
                                                                     (management   consulting   and  computer   related   services),
                                                                     Automatic  Data  Processing,  Inc., CB Commercial  Group,  Inc.
                                                                     (real estate services),  Choice Hotels International (hotel and
                                                                     hotel franchising),  FPL Group, Inc. (electric services), Manor
                                                                     Care, Inc. (health care) and Northwest  Airlines Inc. Mr. Malek
                                                                     is a director or trustee of 31  investment  companies for which
                                                                     Mitchell  Hutchins,  PaineWebber  or  one of  their  affiliates
                                                                     serves as investment adviser.

                                                                 11

<PAGE>

      NAME AND ADDRESS*; AGE           POSITION WITH CORPORATION       BUSINESS EXPERIENCE; OTHER DIRECTORSHIPS
      ----------------------           -------------------------       ----------------------------------------

Carl W. Schafer; 63                            Director              Mr.   Schafer  is  president   of   the   Atlantic   Foundation
66 Witherspoon Street, #1100                                         (charitable   foundation   supporting   mainly    oceanographic
Princeton, NJ  08542                                                 exploration  and  research).  He  is a  director  of  Base  Ten
                                                                     Systems, Inc. (software), Roadway Express, Inc. (trucking), The
                                                                     Guardian  Group of Mutual Funds,  the Harding,  Loevner  Funds,
                                                                     Evans  Systems,  Inc.  (motor  fuels,   convenience  store  and
                                                                     diversified   company),   Electronic   Clearing   House,   Inc.
                                                                     (financial transactions  processing),  Frontier Oil Corporation
                                                                     and Nutraceutix, Inc. (biotechnology company). Prior to January
                                                                     1993, he was chairman of the Investment  Advisory  Committee of
                                                                     the Howard Hughes Medical Institute.  Mr. Schafer is a director
                                                                     or  trustee  of 31  investment  companies  for  which  Mitchell
                                                                     Hutchins,  PaineWebber  or one of their  affiliates  serves  as
                                                                     investment adviser.

T. Kirkham Barneby; 53                      Vice President           Mr.  Barneby  is  a  managing  director  and  chief  investment
                                                                     officer--quantitative  investments of Mitchell Hutchins.  Prior
                                                                     to September  1994,  he was a senior vice  president at Vantage
                                                                     Global  Management.  Mr.  Barneby is a vice  president of seven
                                                                     investment  companies for which Mitchell Hutchins,  PaineWebber
                                                                     or one of their affiliates serves as investment adviser.

John J. Lee; 30                           Vice President and         Mr.  Lee is a vice  president  and a manager of the mutual fund
                                          Assistant Treasurer        finance  department  of Mitchell  Hutchins.  Prior to September
                                                                     1997,  he was  an  audit  manager  in  the  financial  services
                                                                     practice of Ernst & Young LLP. Mr. Lee is a vice  president and
                                                                     assistant  treasurer  of  32  investment  companies  for  which
                                                                     Mitchell  Hutchins,  PaineWebber  or  one of  their  affiliates
                                                                     serves as an investment adviser.

Dennis McCauley; 52                         Vice President           Mr.  McCauley  is a  managing  director  and  chief  investment
                                                                     officer--fixed  income of Mitchell Hutchins.  Prior to December
                                                                     1994,  he was  director  of  fixed  income  investments  of IBM
                                                                     Corporation.  Mr. McCauley is a vice president of 22 investment
                                                                     companies for which  Mitchell  Hutchins,  PaineWebber or one of
                                                                     their affiliates serves as investment adviser.

                                                                 13

<PAGE>

      NAME AND ADDRESS*; AGE           POSITION WITH CORPORATION       BUSINESS EXPERIENCE; OTHER DIRECTORSHIPS
      ----------------------           -------------------------       ----------------------------------------

Ann E. Moran; 41                          Vice President and         Ms. Moran is a vice  president and a manager of the mutual fund
                                          Assistant Treasurer        finance  department of Mitchell  Hutchins.  Ms. Moran is a vice
                                                                     president  and assistant  treasurer of 32 investment  companies
                                                                     for  which  Mitchell  Hutchins,  PaineWebber  or one  of  their
                                                                     affiliates serves as investment adviser.

Dianne E. O'Donnell; 47              Vice President and Secretary    Ms.  O'Donnell is a senior vice  president  and deputy  general
                                                                     counsel of Mitchell Hutchins. Ms. O'Donnell is a vice president
                                                                     and secretary of 31 investment  companies and a vice  president
                                                                     and  assistant  secretary of one  investment  company for which
                                                                     Mitchell  Hutchins,  PaineWebber  or  one of  their  affiliates
                                                                     serves as investment adviser.

Emil Polito; 38                             Vice President           Mr.  Polito  is  a  senior  vice   president  and  director  of
                                                                     operations and control for Mitchell  Hutchins.  Mr. Polito is a
                                                                     vice  president of 32 investment  companies for which  Mitchell
                                                                     Hutchins,  PaineWebber  or one of their  affiliates  serves  as
                                                                     investment adviser.

Susan Ryan; 39                              Vice President           Ms. Ryan is a senior vice  president and  portfolio  manager of
                                                                     Mitchell  Hutchins and has been with  Mitchell  Hutchins  since
                                                                     1982. Ms. Ryan is a vice president of five investment companies
                                                                     for  which  Mitchell  Hutchins,  PaineWebber  or one  of  their
                                                                     affiliates serves as investment adviser

Victoria E. Schonfeld; 48                   Vice President           Ms.  Schonfeld is a managing  director  and general  counsel of
                                                                     Mitchell  Hutchins (since May 1994) and a senior vice president
                                                                     of PaineWebber  (since July 1995). Prior to May 1994, she was a
                                                                     partner in the law firm of Arnold & Porter.  Ms. Schonfeld is a
                                                                     vice president of 31 investment  companies and a vice president
                                                                     and  secretary  of one  investment  company for which  Mitchell
                                                                     Hutchins,  PaineWebber  or one of their  affiliates  serves  as
                                                                     investment adviser.

Paul H. Schubert; 36                 Vice President and Treasurer    Mr.  Schubert is a senior vice  president  and  director of the
                                                                     mutual  fund  finance  department  of Mitchell  Hutchins.  From
                                                                     August  1992  to  August  1994,  he  was a  vice  president  at
                                                                     BlackRock  Financial  Management  L.P.  Mr.  Schubert is a vice
                                                                     president and  treasurer of 32  investment  companies for which
                                                                     Mitchell  Hutchins,  PaineWebber  or  one of  their  affiliates
                                                                     serves as investment adviser.

                                                                 13

<PAGE>

      NAME AND ADDRESS*; AGE           POSITION WITH CORPORATION       BUSINESS EXPERIENCE; OTHER DIRECTORSHIPS
      ----------------------           -------------------------       ----------------------------------------

Nirmal Singh; 43                            Vice President           Mr. Singh is a senior vice president and a portfolio manager of
                                                                     Mitchell  Hutchins.  Mr.  Singh  is a vice  president  of  four
                                                                     investment  companies for which Mitchell Hutchins,  PaineWebber
                                                                     or one of their affiliates serves as investment adviser.

Barney A. Taglialatela; 38                Vice President and         Mr.  Taglialatela  is a  vice  president  and a manager of the
                                          Assistant Treasurer        mutual fund finance department of Mitchell  Hutchins.  Prior to
                                                                     February  1995,  he was a manager  of the mutual  fund  finance
                                                                     division  of  Kidder   Peabody  Asset   Management,   Inc.  Mr.
                                                                     Taglialatela is a vice president and assistant  treasurer of 32
                                                                     investment  companies for which Mitchell Hutchins,  PaineWebber
                                                                     or one of their affiliates serves as investment adviser.

Mark A. Tincher; 43                         Vice President           Mr.  Tincher  is  a  managing  director  and  chief  investment
                                                                     officer--equities of Mitchell Hutchins. Prior to March 1995, he
                                                                     was a vice president and directed the U.S. funds management and
                                                                     equity  research  areas of Chase  Manhattan  Private Bank.  Mr.
                                                                     Tincher is a vice  president  of 13  investment  companies  for
                                                                     which Mitchell Hutchins, PaineWebber or one of their affiliates
                                                                     serves as investment adviser.

Keith A. Weller; 37                       Vice President and         Mr.  Weller   is   a   first   vice   president  and  associate
                                          Assistant Secretary        general counsel of Mitchell Hutchins. Prior to May 1995, he was
                                                                     an attorney in private practice. Mr. Weller is a vice president
                                                                     and assistant  secretary of 31  investment  companies for which
                                                                     Mitchell  Hutchins,  PaineWebber  or  one of  their  affiliates
                                                                     serves as investment adviser.
</TABLE>

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

* Unless otherwise indicated, the business address of each listed person is 1285
Avenue of the Americas, New York, New York 10019.

** Mrs.  Alexander,  Mr. Bewkes and Ms. Farrell are "interested  persons" of the
fund as  defined  in the  Investment  Company  Act of 1940 by  virtue  of  their
positions with Mitchell Hutchins, PaineWebber, and/or PW Group.

         The  Corporation  pays  each  board  member  who is not an  "interested
person" of the Corporation  $1,000 annually for the fund and $1,500 annually for
the Corporation's second series and an additional up to $150 per series for each
board meeting and each separate  meeting of a board  committee.  Therefore,  the
Corporation pays each such trustee $2,500 annually,  plus any additional amounts
due for board or  committee  meetings.  Each  chairman of the audit and contract
review  committees  of  individual  funds  within the  PaineWebber  fund complex
receives  additional  compensation,   aggregating  $15,000  annually,  from  the
relevant  funds.  All board members are reimbursed for any expenses  incurred in
attending meetings. Board members and officers own in the aggregate less than 1%
of the  outstanding  shares of any class of the fund.  Because  PaineWebber  and
Mitchell  Hutchins  perform  substantially  all the services  necessary  for the
operation  of  the  Corporation  and  the  fund,  the  Corporation  requires  no
employees. No officer,  director or employee of Mitchell Hutchins or PaineWebber
presently  receives any compensation  from the Corporation for acting as a board
member or officer.

                                       14

<PAGE>

         The  table  below  includes   certain   information   relating  to  the
compensation  of the current board members who held office with the  Corporation
or with other PaineWebber funds during the fund's fiscal year ended February 28,
1999.

                               COMPENSATION TABLE+

                                     AGGREGATE
                                   COMPENSATION       TOTAL COMPENSATION FROM
                                      FROM            THE CORPORATION AND THE
      NAME OF PERSON, POSITION     CORPORATION*             FUND COMPLEX**
      ------------------------     ------------      -----------------------
      Richard Q. Armstrong,                              $  101,372
          Trustee
      Richard R. Burt,                                      101,372
          Trustee
      Meyer Feldberg,                                       116,222
          Trustee
      George W. Gowen,                                      108,272
          Trustee
      Frederic V. Malek,                                    101,372
          Trustee
      Carl W. Schafer,                                      101,372
          Trustee

- --------------------
+  Only  independent  board members are compensated by the Trusts and identified
   above;  board  members  who  are  "interested  persons,"  as  defined  by the
   Investment Company Act, do not receive compensation.

*  Represents fees paid to each board member from the Corporation  indicated for
   the fiscal year ended February 28, 1999.

** Represents  total  compensation  paid during the calendar year ended December
   31, 1998, to each board member by 31 investment  companies (33 in the case of
   Messrs.  Feldberg and Gowen) for which Mitchell Hutchins,  PaineWebber or one
   of  their  affiliates  served  as  investment  adviser.  No fund  within  the
   PaineWebber fund complex has a bonus,  pension,  profit sharing or retirement
   plan.

                         PRINCIPAL HOLDERS OF SECURITIES

         As of June 1, 1999, the funds' records showed no shareholders as owning
5% or more of any class of a fund's shares.

                INVESTMENT ADVISORY AND DISTRIBUTION ARRANGEMENTS

         INVESTMENT  ADVISORY  ARRANGEMENTS.   Mitchell  Hutchins  acts  as  the
investment  adviser and  administrator  to the fund pursuant to a contract dated
August 4, 1988 ( "Advisory  Contract") with the Corporation.  Under the Advisory
Contract,  the fund  pays  Mitchell  Hutchins  a fee,  computed  daily  and paid
monthly, at the annual rate of 0.50% of its average daily net assets.

         During the fiscal years ended February 28, 1999,  February 28, 1998 and
February  28,  1997,  the  fund  paid  (or  accrued)   investment  advisory  and
administrative fees of $_______________ , $202,449 and $215,423, respectively.

         Prior to August 1, 1997,  PaineWebber  provided certain services to the
fund not  otherwise  provided  by its  transfer  agent.  Pursuant  to a separate
agreement  between  PaineWebber and the Corporation  relating to those services,
PaineWebber  earned (or accrued) $5,548 for the period March 1, 1997 to July 31,
1997 and $13,300 for the fiscal year ended February 28, 1997. Subsequent to July

                                       15

<PAGE>

31,  1997,  PFPC (not the fund) pays  PaineWebber  for certain  transfer  agency
related services that PFPC has delegated to PaineWebber.

         Under the terms of the Advisory  Contract,  the fund bears all expenses
incurred  in its  operation  that  are  not  specifically  assumed  by  Mitchell
Hutchins.  Expenses  borne  by the  fund  include  the  following:  (1) the cost
(including  brokerage  commissions) of securities  purchased or sold by the fund
and any  losses  incurred  in  connection  therewith;  (2) fees  payable  to and
expenses incurred on behalf of the fund by Mitchell Hutchins; (3) organizational
expenses;  (4)  filing  fees  and  expenses  relating  to the  registration  and
qualification  of the fund's shares under federal and state  securities laws and
maintenance  of such  registrations  and  qualifications;  (5) fees and salaries
payable to board members and officers who are not interested persons (as defined
in the Investment Company Act) of the Corporation or Mitchell Hutchins;  (6) all
expenses  incurred in connection  with the board  members'  services,  including
travel  expenses;  (7) taxes  (including  any  income or  franchise  taxes)  and
governmental  fees; (8) costs of any liability,  uncollectible  items of deposit
and other insurance or fidelity bonds; (9) any costs, expenses or losses arising
out of a liability of or claim for damages or other relief asserted  against the
Corporation  or fund  for  violation  of any law;  (10)  legal,  accounting  and
auditing  expenses,  including legal fees of special counsel for the independent
board  members;  (11) charges of custodians,  transfer  agents and other agents;
(12) costs of preparing share certificates; (13) expenses of setting in type and
printing  prospectuses,  statements of additional  information  and  supplements
thereto,  reports and proxy  materials for existing  shareholders,  and costs of
mailing  such  materials  to  shareholders;   (14)  any  extraordinary  expenses
(including fees and  disbursements of counsel)  incurred by the fund; (15) fees,
voluntary  assessments and other expenses incurred in connection with membership
in  investment  company  organizations;  (16)  costs of mailing  and  tabulating
proxies  and costs of  meetings of  shareholders,  the board and any  committees
thereof;  (17) the cost of investment  company literature and other publications
provided to board  members and officers;  and (18) costs of mailing,  stationery
and communications equipment.

         Under the Advisory  Contract,  Mitchell Hutchins will not be liable for
any  error  of  judgment  or  mistake  of law or for any  loss  suffered  by the
Corporation  or the fund in  connection  with the  performance  of the  Advisory
Contract,  except a loss resulting from willful misfeasance,  bad faith or gross
negligence on the part of Mitchell  Hutchins in the performance of its duties or
from reckless disregard of its duties and obligations  thereunder.  The Advisory
Contract terminates  automatically upon assignment and is terminable at any time
without  penalty by the board or by vote of the  holders  of a  majority  of the
fund's  outstanding  voting  securities on 60 days'  written  notice to Mitchell
Hutchins, or by Mitchell Hutchins on 60 days' written notice to the Corporation.

         During the fiscal years ended  February 28, 1999 and February 28, 1998,
the fund paid (or accrued)  $________ and  $____________  in fees to PaineWebber
for its services as securities lending agent:

         NET ASSETS.  The following table shows the approximate net assets as of
May 31, 1999,  sorted by category of  investment  objective,  of the  investment
companies as to which Mitchell  Hutchins  serves as adviser or  sub-adviser.  An
investment company may fall into more than one of the categories below.

                                                                      NET ASSETS
             INVESTMENT CATEGORY                                        ($MIL)
             -------------------                                      ----------

     Domestic (excluding Money Market)...............................
     Global..........................................................
     Equity/Balanced.................................................
     Fixed Income (excluding Money Market)...........................
              Taxable Fixed Income...................................
              Tax-Free Fixed Income..................................
     Money Market Funds..............................................


         PERSONAL TRADING POLICIES.  Mitchell  Hutchins  personnel may invest in
securities  for their own accounts  pursuant to a code of ethics that  describes
the fiduciary duty owed to  shareholders  of PaineWebber  mutual funds and other

                                       16

<PAGE>

Mitchell  Hutchins  advisory  accounts  by  all  Mitchell  Hutchins'  directors,
officers  and  employees,  establishes  procedures  for personal  investing  and
restricts certain transactions. For example, employee accounts generally must be
maintained  at  PaineWebber,   personal   trades  in  most  securities   require
pre-clearance  and  short-term  trading  and  participation  in  initial  public
offerings  generally  are  prohibited.  In  addition,  the code of  ethics  puts
restrictions  on the  timing of  personal  investing  in  relation  to trades by
PaineWebber Funds and other Mitchell Hutchins advisory clients.

         DISTRIBUTION ARRANGEMENTS. Mitchell Hutchins acts as the distributor of
each class of shares of the fund under separate distribution  contracts with the
Corporation (collectively, "Distribution Contracts"). Each Distribution Contract
requires  Mitchell  Hutchins to use its best efforts,  consistent with its other
businesses,  to  sell  shares  of the  fund.  Shares  of the  fund  are  offered
continuously.  Under  separate  exclusive  dealer  agreements  between  Mitchell
Hutchins  and  PaineWebber  relating  to  each  class  of  shares  of  the  fund
(collectively, "Exclusive Dealer Agreements"), PaineWebber and its correspondent
firms sell the fund's shares.

         Under separate plans of distribution pertaining to the Class A, Class B
and  Class C  shares  of the  fund  adopted  by the  Corporation  in the  manner
prescribed   under  Rule  12b-1   under  the   Investment   Company  Act  (each,
respectively,  a "Class  A  Plan,"  "Class  B Plan"  and  "Class  C  Plan,"  and
collectively,  "Plans"),  the fund pays Mitchell Hutchins a service fee, accrued
daily and payable monthly,  at the annual rate of 0.25% of the average daily net
assets of each class of shares.  Under the Class B Plan,  the fund pays Mitchell
Hutchins a distribution  fee, accrued daily and payable  monthly,  at the annual
rate of 0.50% of the average  daily net assets of the Class B shares.  Under the
Class C Plan, each fund pays Mitchell Hutchins a distribution fee, accrued daily
and payable monthly, at the annual rate of 0.50% of the average daily net assets
of the Class C shares.

         Mitchell  Hutchins uses the service fees under the Plans for Class A, B
and C shares primarily to pay PaineWebber for shareholder  servicing,  currently
at the annual rate of 0.25% of the aggregate  investment  amounts  maintained in
the fund by PaineWebber  clients.  PaineWebber  then  compensates  its Financial
Advisors  for  shareholder  servicing  that they  perform  and  offsets  its own
expenses in servicing and maintaining shareholder accounts.

         Mitchell  Hutchins  uses the  distribution  fees  under the Class B and
Class C Plans to offset the fund's marketing costs attributable to such classes,
such as preparation, printing and distribution of sales literature,  advertising
and prospectuses to prospective investors and related overhead expenses, such as
employee salaries and bonuses.  Because fund shares may be acquired only through
an exchange of shares of other PaineWebber funds, Mitchell Hutchins does not pay
commissions to PaineWebber for selling fund shares.

         Mitchell  Hutchins  receives  the proceeds of the  contingent  deferred
sales  charge  paid upon sales of shares.  These  proceeds  may be used to cover
distribution expenses.

         The Plans and the related  Distribution  Contracts for Class A, Class B
and Class C shares specify that the fund must pay service and distribution  fees
to Mitchell  Hutchins  for its  activities,  not as  reimbursement  for specific
expenses  incurred.  Therefore,  even if Mitchell  Hutchins' expenses exceed the
service or distribution fees it receives,  the fund will not be obligated to pay
more than those fees. On the other hand, if Mitchell Hutchins' expenses are less
than such fees,  it will retain its full fees and realize a profit.  Expenses in
excess of  service  and  distribution  fees  received  or  accrued  through  the
termination date of any Plan will be Mitchell Hutchins' sole  responsibility and
not that of the fund.  Annually,  the  board  reviews  the  Plans  and  Mitchell
Hutchins'  corresponding  expenses for each class of fund shares separately from
the Plans and expenses of the other classes.

         Among other things,  each Plan provides that (1) Mitchell Hutchins will
submit  to the board at least  quarterly,  and the board  members  will  review,
reports regarding all amounts expended under the Plan and the purposes for which
such  expenditures  were made, (2) the Plan will continue in effect only so long
as it is approved  at least  annually,  and any  material  amendment  thereto is
approved,  by the board,  including  those board members who are not "interested
persons"  of the  Corporation  and who  have no  direct  or  indirect  financial
interest  in the  operation  of the Plan or any  agreement  related to the Plan,
acting in person at a meeting called for that purpose,  (3) payments by the fund
under the Plan shall not be materially increased without the affirmative vote of
the holders of a majority of the  outstanding  shares of the relevant  class and

                                       17

<PAGE>

(4) while the Plan remains in effect,  the  selection  and  nomination  of board
members who are not "interested  persons" of the Corporation  shall be committed
to the discretion of the board members who are not "interested  persons" of that
Corporation.

         In reporting  amounts  expended  under the Plans to the board  members,
Mitchell Hutchins allocates  expenses  attributable to the sale of each class of
the fund's  shares to such  class  based on the ratio of sales of shares of such
class to the sales of all three classes of shares. The fees paid by one class of
the fund's  shares will not be used to subsidize  the sale of any other class of
fund shares.

         During  the fiscal  year ended  February  28,  1999,  the fund paid (or
accrued) service and/or  distribution  fees to Mitchell Hutchins under the Plans
as follows:  Class A -- $___________ , Class B -- $_________________ and Class C
- -- $____________ .

         Mitchell  Hutchins  estimates  that  it  and  its  parent  corporation,
PaineWebber,    incurred   the   following   shareholder   service-related   and
distribution-related  expenses  with  respect to the fund during the fiscal year
ended February 28, 1999:

                                                   CLASS A    CLASS B    CLASS C
                                                   -------    -------    -------

        Marketing and advertising...............
        Amortization of commissions.............
        Printing of prospectuses and statements
        of additional information...............
        Branch network costs allocated and
        interest expense........................
        Service fees paid to PaineWebber
        Financial Advisors......................


         "Marketing and  advertising"  includes various internal costs allocated
by Mitchell  Hutchins to its efforts at  distributing  the fund's shares.  These
internal costs encompass  office rent,  salaries and other overhead  expenses of
various  departments  and areas of  operations  of  Mitchell  Hutchins.  "Branch
network costs allocated and interest expense" consist of an allocated portion of
the expenses of various PaineWebber  departments involved in the distribution of
the fund's shares, including the PaineWebber retail branch system.

         In approving the Class A Plan, the board considered all the features of
the  distribution  system,  including  (1)  the  benefit  to the  fund  and  its
shareholders of the fund being available as an exchange  vehicle for the Class A
shares  of other  PaineWebber  funds  such  that  Class A fund  shares  could be
exchanged  with  Class A shares of other  PaineWebber  funds  without an initial
sales charge being incurred, (2) the advantages to the shareholders of economies
of scale  resulting  from growth in the fund's  assets and  potential  continued
growth,  (3) the services  provided to the fund and its shareholders by Mitchell
Hutchins,  (4) the services  provided by  PaineWebber  pursuant to its Exclusive
Dealer Agreement with Mitchell Hutchins and (5) Mitchell  Hutchins'  shareholder
service-related expenses and costs.

         In approving the Class B Plan, the board of the fund considered all the
features of the  distribution  system,  including (1) the conditions under which
contingent  deferred  sales  charges  would be  imposed  and the  amount of such
charges,  (2) the  benefit  to the fund and its  shareholders  of the fund being
available as an exchange vehicle for shares of the corresponding  class of other
PaineWebber  funds such that Class B fund shares could be exchanged  with shares
of the  corresponding  class of other  PaineWebber  funds  without a  contingent
deferred sales charge being incurred,  (3) the advantages to the shareholders of
economies  of scale  resulting  from growth in the fund's  assets and  potential
continued growth,  (4) the services provided to the fund and its shareholders by
Mitchell  Hutchins,  (5) the services  provided by  PaineWebber  pursuant to its
Exclusive  Dealer  Agreement with Mitchell  Hutchins and (6) Mitchell  Hutchins'
shareholder service- and distribution-related expenses and costs.

                                       18

<PAGE>

         In approving the Class C Plan, the board considered all the features of
the  distribution  system,  including  (1)  the  benefit  to the  fund  and  its
shareholders  of the fund being  available as an exchange  vehicle for shares of
the  corresponding  class of  other  PaineWebber  funds,  (2) the  advantage  to
investors in paying for distribution on an ongoing basis, (3) Mitchell Hutchins'
belief that the ability of  PaineWebber  Financial  Advisors  and  correspondent
firms to  receive  sales  compensation  for their  sales of Class C shares on an
ongoing basis,  along with continuing service fees, while their customers invest
their entire  purchase  payments  immediately in Class C shares and generally do
not face  contingent  deferred  sales  charges,  would prove  attractive  to the
Financial Advisors and correspondent  firms,  resulting in greater growth to the
fund than might otherwise be the case, (4) the advantages to the shareholders of
economies  of scale  resulting  from growth in the fund's  assets and  potential
continued growth,  (5) the services provided to the fund and its shareholders by
Mitchell  Hutchins,  (6) the services  provided by  PaineWebber  pursuant to its
Exclusive  Dealer  Agreement with Mitchell  Hutchins and (7) Mitchell  Hutchins'
shareholder  service- and  distribution-related  expenses  and costs.  The board
members also  recognized  that  Mitchell  Hutchins'  willingness  to  compensate
PaineWebber  and its  Financial  Advisors,  without the  concomitant  receipt by
Mitchell Hutchins of initial sales charges or contingent  deferred sales charges
upon  redemption  after one year  following  purchase was  conditioned  upon its
expectation of being compensated under the Class C Plan.

         With respect to each Plan, the board considered all  compensation  that
Mitchell  Hutchins would receive under the Plan and the  Distribution  Contract,
including  service fees and, as  applicable,  distribution  fees and  contingent
deferred sales charges. The board also considered the benefits that would accrue
to Mitchell  Hutchins  under each Plan in that Mitchell  Hutchins  would receive
service,  distribution  and  advisory  fees  that are  calculated  based  upon a
percentage of the average net assets of the fund,  which fees would  increase if
the Plan were successful and the fund attained and maintained  significant asset
levels.

         Mitchell Hutchins earned and retained the following contingent deferred
sales charges paid upon certain  redemptions of shares for the fiscal year ended
February 28, 1999:

                                  Class A......................
                                  Class B......................
                                  Class C......................


                             PORTFOLIO TRANSACTIONS

         The Advisory Contract  authorizes  Mitchell Hutchins (with the approval
of the board) to select  brokers and dealers to execute  purchases  and sales of
the fund's portfolio securities. The Advisory Contract directs Mitchell Hutchins
to use its best efforts to obtain the best  available  price and most  favorable
execution with respect to all  transactions for the fund. To the extent that the
execution  and price  offered by more than one dealer are  comparable,  Mitchell
Hutchins may, in its discretion,  effect  transactions  in portfolio  securities
with dealers who provide the fund with  research,  analysis,  advice and similar
services.  Although  Mitchell Hutchins may receive certain research or execution
services in  connection  with these  transactions,  Mitchell  Hutchins  will not
purchase  securities at a higher price or sell  securities at a lower price than
would  otherwise be paid had no services been provided by the executing  dealer.
Moreover,  Mitchell  Hutchins  will not  enter  into any  explicit  soft  dollar
arrangements  relating  to  principal  transactions  and  will  not  receive  in
principal  transactions  the types of services  that could be purchased for hard
dollars.  Research services furnished by the dealers with which the fund effects
securities transactions may be used by Mitchell Hutchins in advising other funds
or accounts it advises and, conversely,  research services furnished to Mitchell
Hutchins  in  connection  with other funds or accounts  that  Mitchell  Hutchins
advises may be used in advising the fund. Information and research received from
dealers will be in addition to, and not in lieu of, the services  required to be
performed by Mitchell Hutchins under the Advisory Contract.

         During  the  last  three  fiscal  years,  the  fund  paid no  brokerage
commission.

                                       19

<PAGE>

         Mitchell Hutchins may engage in agency transactions in over-the-counter
equity and debt securities in return for research and execution services.  These
transactions  are entered into only in compliance with procedures  ensuring that
the  transaction  (including  commissions)  is at least as favorable as it would
have been if effected directly with a market-maker that did not provide research
or execution  services.  These  procedures  include a requirement  that Mitchell
Hutchins obtain multiple quotes from dealers before  executing the  transactions
on an agency basis.

         The fund purchases  portfolio  securities from dealers and underwriters
as well as from  issuers.  Securities  are  usually  traded on a net basis  with
dealers acting as principal for their own accounts without a stated  commission.
Prices paid to dealers in principal  transactions  generally include a "spread,"
which is the  difference  between  the  prices at which the dealer is willing to
purchase and sell a specific security at the time. When securities are purchased
directly from an issuer,  no commissions or discounts are paid.  When securities
are  purchased  in  underwritten  offerings,  they  include  a fixed  amount  of
compensation to the underwriter.

         Investment  decisions  for the fund and for other  investment  accounts
managed by Mitchell  Hutchins are made  independently  of each other in light of
differing considerations for the various accounts.  However, the same investment
decision may occasionally be made for the fund and one or more of such accounts.
In such cases, simultaneous transactions are inevitable.  Purchases or sales are
then  averaged  as to price  and  allocated  between  the  fund  and such  other
account(s) as to amount  according to a formula deemed equitable to the Fund and
such  account(s).  While in some cases this  practice  could have a  detrimental
effect upon the price or value of the security as far as the fund is  concerned,
or upon its ability to complete its entire order,  in other cases it is believed
that coordination and the ability to participate in volume  transactions will be
beneficial to the fund.

         As of  February  28,  1999,  the fund  owned  securities  issued by the
following companies which are regular broker-dealers for the fund:

                       ADDITIONAL EXCHANGE AND REDEMPTION
               INFORMATION; REDUCED SALES CHARGES; OTHER SERVICES

         WAIVERS OF CONTINGENT  DEFERRED SALES CHARGES -- CLASS B SHARES.  Among
other  circumstances,  the contingent deferred sales charge on Class B shares is
waived where a total or partial redemption is made within one year following the
death of the  shareholder.  The  contingent  deferred  sales  charge  waiver  is
available  where the decedent is either the sole  shareholder or owns the shares
with his or her spouse as a joint tenant with right of survivorship. This waiver
applies only to redemption of shares held at the time of death.

         ADDITIONAL  EXCHANGE AND  REDEMPTION  INFORMATION.  As discussed in the
Prospectus,  shares of the fund may be exchanged for shares of the corresponding
class of most other PaineWebber funds.

         Shareholders  will receive at least 60 days' notice of any  termination
or material  modification of the exchange offer,  except no notice need be given
if, under  extraordinary  circumstances,  either redemptions are suspended under
the circumstances  described below or the fund temporarily  delays or ceases the
sales of its  shares  because  it is  unable to invest  amounts  effectively  in
accordance with the fund's investment objective, policies and restrictions.

         If  conditions  exist  that make cash  payments  undesirable,  the fund
reserves  the right to honor any request  for  redemption  by making  payment in
whole or in part in securities  chosen by the fund and valued in the same way as
they would be valued for purposes of computing  the fund's net asset value.  Any
such redemption in kind will be made with readily marketable securities,  to the
extent  available.  If payment is made in  securities,  a shareholder  may incur
brokerage  expenses  in  converting  these  securities  into cash.  The fund has
elected, however, to be governed by Rule 18f-1 under the Investment Company Act,
under which it is obligated to redeem  shares solely in cash up to the lesser of
$250,000  or 1% of its  net  asset  value  during  any  90-day  period  for  one
shareholder. This election is irrevocable unless the SEC permits its withdrawal.

                                       20

<PAGE>

         The fund may suspend  redemption  privileges  or  postpone  the date of
payment  during any period  (1) when the New York  Stock  Exchange  is closed or
trading on the New York Stock  Exchange is  restricted as determined by the SEC,
(2)  when an  emergency  exists,  as  defined  by the  SEC,  that  makes  it not
reasonably  practicable  for the fund to  dispose of  securities  owned by it or
fairly  to  determine  the value of its  assets or (3) as the SEC may  otherwise
permit.  The redemption price may be more or less than the  shareholder's  cost,
depending on the market value of a fund's portfolio at the time.

         SERVICE  ORGANIZATIONS.  The fund may authorize service  organizations,
and their agents,  to accept on its behalf  purchase and redemption  orders that
are in "good form." The fund will be deemed to have received  these purchase and
redemption  orders when a service  organization  or its agent accepts them. Like
all customer  orders,  these orders will be priced based on the fund's net asset
value next computed after receipt of the order by the service  organizations  or
their  agents.   Service  organizations  may  include  retirement  plan  service
providers  who  aggregate  purchase and  redemption  instructions  received from
numerous retirement plans or plan participants.

         SYSTEMATIC  WITHDRAWAL  PLAN.  The  systematic  withdrawal  plan allows
investors to set up monthly,  quarterly (March,  June,  September and December),
semi-annual  (June and  December) or annual  (December)  withdrawals  from their
PaineWebber  Mutual  Fund  accounts.   Minimum  balances  and  withdrawals  vary
according to the class of shares:

     o     Class A and Class C shares.  Minimum  value of fund shares is $5,000;
           minimum withdrawals of $100.

     o     Class B shares.  Minimum  value of fund  shares is  $20,000;  minimum
           monthly,  quarterly,  and semi-annual and annual withdrawals of $200,
           $400, $600 and $800, respectively.

         Withdrawals under the systematic withdrawal plan will not be subject to
a contingent deferred sales charge if the investor withdraws no more than 12% of
the  value of the fund  account  when the  investor  signed up for the Plan (for
Class B shares,  annually; for Class A and Class C shares, during the first year
under  the  Plan).   Shareholders  who  elect  to  receive  dividends  or  other
distributions in cash may not participate in this plan.

         An investor's  participation  in the  systematic  withdrawal  plan will
terminate  automatically if the "Initial Account Balance" (a term that means the
value of the fund account at the time the investor  elects to participate in the
systematic withdrawal plan), less aggregate redemptions made other than pursuant
to the systematic  withdrawal  plan, is less than the minimum  values  specified
above.  Purchases of additional shares of a fund concurrent with withdrawals are
ordinarily  disadvantageous to shareholders  because of tax liabilities and, for
Class A  shares,  initial  sales  charges.  On or about  the 20th of a month for
monthly,  quarterly,  semi-annual and annual plans, PaineWebber will arrange for
redemption  by the fund of  sufficient  fund  shares to provide  the  withdrawal
payments specified by participants in the fund's systematic withdrawal plan. The
payments  generally are mailed  approximately  five Business Days (defined under
"Valuation of Shares") after the redemption date. Withdrawal payments should not
be  considered  dividends,  but  redemption  proceeds.  If periodic  withdrawals
continually exceed reinvested dividends and other distributions, a shareholder's
investment may be  correspondingly  reduced. A shareholder may change the amount
of the  systematic  withdrawal  or  terminate  participation  in the  systematic
withdrawal  plan at any time without  charge or penalty by written  instructions
with  signatures   guaranteed  to  PaineWebber  or  PFPC  Inc.  Instructions  to
participate in the plan, change the withdrawal amount or terminate participation
in the plan will not be  effective  until five days after  written  instructions
with signatures  guaranteed are received by PFPC.  Shareholders  may request the
forms needed to establish a systematic  withdrawal  plan from their  PaineWebber
Financial Advisors, correspondent firms or PFPC at 1-800-647-1568.

         INDIVIDUAL  RETIREMENT  ACCOUNTS.   Self-directed  IRAs  are  available
through  PaineWebber in which  purchases of  PaineWebber  mutual funds and other
investments may be made. Investors considering establishing an IRA should review
applicable tax laws and should consult their tax advisers.

         TRANSFER  OF  ACCOUNTS.  If  investors  holding  shares  of a fund in a
PaineWebber brokerage account transfer their brokerage accounts to another firm,
the fund shares  will be moved to an account  with PFPC.  However,  if the other

                                       21

<PAGE>

firm has  entered  into a  selected  dealer  agreement  with  Mitchell  Hutchins
relating  to the fund,  the  shareholder  may be able to hold fund  shares in an
account with the other firm.

PAINEWEBBER RMA RESOURCE ACCUMULATION PLAN(SERVICEMARK;
PAINEWEBBER RESOURCE MANAGEMENT ACCOUNT(REGISTERED) (RMA)(REGISTERED)

         Shares of PaineWebber mutual funds (each a "PW Fund" and, collectively,
the "PW Funds") are available for purchase through the RMA Resource Accumulation
Plan  ("Plan") by  customers  of  PaineWebber  and its  correspondent  firms who
maintain Resource Management Accounts ("RMA accountholders"). The Plan allows an
RMA  accountholder  to  continually  invest  in one or more of the PW  Funds  at
regular intervals, with payment for shares purchased automatically deducted from
the client's RMA account. The client may elect to invest at monthly or quarterly
intervals and may elect either to invest a fixed dollar amount (minimum $100 per
period) or to purchase a fixed number of shares. A client can elect to have Plan
purchases executed on the first or fifteenth day of the month. Settlement occurs
three Business Days (defined under  "Valuation of Shares") after the trade date,
and the  purchase  price of the  shares is  withdrawn  from the  investor's  RMA
account on the settlement  date from the following  sources and in the following
order:  uninvested cash balances,  balances in RMA money market funds, or margin
borrowing power, if applicable to the account.

         To participate  in the Plan, an investor must be an RMA  accountholder,
must have made an initial  purchase of the shares of each PW Fund  selected  for
investment under the Plan (meeting  applicable minimum investment  requirements)
and must complete and submit the RMA Resource Accumulation Plan Client Agreement
and Instruction Form available from PaineWebber. The investor must have received
a current  prospectus  for each PW Fund selected prior to enrolling in the Plan.
Information about mutual fund positions and outstanding  instructions  under the
Plan are noted on the RMA accountholder's account statement.  Instructions under
the Plan may be  changed  at any  time,  but may take up to two  weeks to become
effective.

         The terms of the Plan, or an RMA  accountholder's  participation in the
Plan, may be modified or terminated at any time. It is anticipated  that, in the
future, shares of other PW Funds and/or mutual funds other than the PW Funds may
be offered through the Plan.

         PERIODIC INVESTING AND DOLLAR COST AVERAGING. Periodic investing in the
PW Funds or other mutual funds,  whether  through the Plan or  otherwise,  helps
investors  establish and maintain a disciplined  approach to accumulating assets
over time,  de-emphasizing the importance of timing the market's highs and lows.
Periodic  investing  also permits an investor to take  advantage of "dollar cost
averaging."  By  investing a fixed  amount in mutual fund shares at  established
intervals,  an investor  purchases more shares when the price is lower and fewer
shares  when  the  price  is  higher,  thereby  increasing  his or  her  earning
potential.  Of course,  dollar  cost  averaging  does not  guarantee a profit or
protect  against a loss in a declining  market,  and an investor should consider
his or her financial  ability to continue  investing through periods of both low
and high share  prices.  However,  over time,  dollar cost  averaging  generally
results in a lower average original investment cost than if an investor invested
a larger dollar amount in a mutual fund at one time.

         PAINEWEBBER'S  RESOURCE  MANAGEMENT  ACCOUNT. In order to enroll in the
Plan, an investor must have opened an RMA account with PaineWebber or one of its
correspondent  firms.  The RMA  account  is  PaineWebber's  comprehensive  asset
management  account and offers  investors a number of  features,  including  the
following:

     o     monthly Premier account statements that itemize all account activity,
           including  investment   transactions,   checking  activity  and  Gold
           MasterCard(Registered)  transactions  during the period,  and provide
           unrealized and realized gain and loss  estimates for most  securities
           held in the account;

     o     comprehensive year-end summary statements that provide information on
           account activity for use in tax planning and tax return preparation;

     o     automatic  "sweep" of  uninvested  cash into the RMA  accountholder's
           choice  of one of the six RMA money  market  funds-RMA  Money  Market
           Portfolio,  RMA U.S.  Government  Portfolio,  RMA Tax-Free  Fund, RMA

                                       22

<PAGE>

           California  Municipal Money Fund, RMA New Jersey Municipal Money Fund
           and RMA New York  Municipal  Money  Fund.  AN  INVESTMENT  IN A MONEY
           MARKET  FUND IS NOT  INSURED OR  GUARANTEED  BY THE  FEDERAL  DEPOSIT
           INSURANCE  CORPORATION  OR ANY OTHER  GOVERNMENT  AGENCY.  ALTHOUGH A
           MONEY MARKET FUND SEEKS TO PRESERVE THE VALUE OF YOUR  INVESTMENT  AT
           $1.00 PER SHARE, IT IS POSSIBLE TO LOSE MONEY BY INVESTING IN A MONEY
           MARKET FUND.

     o     check writing,  with no per-check usage charge,  no minimum amount on
           checks  and no  maximum  number of checks  that can be  written.  RMA
           accountholders  can code their checks to classify  expenditures.  All
           canceled checks are returned each month;

     o     Gold MasterCard, with or without a line of credit, which provides RMA
           accountholders  with direct access to their  accounts and can be used
           with  automatic  teller  machines  worldwide.  Purchases  on the Gold
           MasterCard  are debited to the RMA account once  monthly,  permitting
           accountholders to remain invested for a longer period of time;

     o     24-hour access to account information through toll-free numbers,  and
           more detailed personal  assistance during business hours from the RMA
           Service Center;

     o     expanded  account  protection  to $100  million  in the  event of the
           liquidation of PaineWebber.  This protection does not apply to shares
           of the RMA money  market funds or the PW Funds  because  those shares
           are held at PFPC and not through PaineWebber; and

     o     automatic  direct  deposit  of  checks  into  your  RMA  account  and
           automatic withdrawals from the account.

         The annual  account fee for an RMA account is $85,  which  includes the
Gold  MasterCard,  with an  additional  fee of $40 if the  investor  selects  an
optional line of credit with the Gold MasterCard.

                          CONVERSION OF CLASS B SHARES

         Class B shares of the fund will automatically convert to Class A shares
of the  fund,  based on the  relative  net  asset  values  per  share of the two
classes, as of the close of business on the first Business Day (as defined under
"Valuation  of  Shares")  of the  month in which the  sixth  anniversary  of the
initial  issuance of such Class B shares occurs.  For the purpose of calculating
the  holding  period  required  for  conversion  of Class B shares,  the date of
initial  issuance  shall  mean (i) the date on which  such  Class B shares  were
issued or (ii) for Class B shares obtained  through an exchange,  or a series of
exchanges,  the date on which  the  original  Class B shares  were  issued.  For
purposes of conversion to Class A shares,  Class B shares purchased  through the
reinvestment  of dividends  and other  distributions  paid in respect of Class B
shares will be held in a separate  sub-account.  Each time any Class B shares in
the shareholder's  regular account (other than those in the sub-account) convert
to Class A shares,  a pro rata portion of the Class B shares in the  sub-account
will also convert to Class A shares. The portion will be determined by the ratio
that the shareholder's  Class B shares converting to Class A shares bears to the
shareholder's  total Class B shares not  acquired  through  dividends  and other
distributions.

         The conversion feature is subject to the continuing  availability of an
opinion of counsel to the effect that the dividends and other distributions paid
on Class A and Class B shares will not result in "preferential  dividends" under
the Internal  Revenue Code and that the conversion of shares does not constitute
a taxable event. If the conversion  feature ceased to be available,  the Class B
shares  would not be  converted  and would  continue to be subject to the higher
ongoing  expenses  of the  Class B  shares  beyond  six  years  from the date of
purchase.  Mitchell  Hutchins has no reason to believe that this  condition will
not continue to be met.

                               VALUATION OF SHARES

                  The fund  determines  its net asset value  separately for each
class of shares, normally as of the close of regular trading (usually 4:00 p.m.,
Eastern  time) on the New York Stock  Exchange on each  Business  Day,  which is

                                       23

<PAGE>

defined as each Monday  through Friday when the New York Stock Exchange is open.
Net asset  value will be  calculated  earlier  when the New York Stock  Exchange
closes early because trading has been halted for the day. Currently the New York
Stock Exchange is closed on the observance of the following holidays: New Year's
Day, Martin Luther King, Jr. Day,  Presidents'  Day, Good Friday,  Memorial Day,
Independence Day, Labor Day, Thanksgiving Day and Christmas Day.

         The  fund  values  its  portfolio  securities  in  accordance  with the
amortized cost method of valuation under Rule 2a-7 ("Rule") under the Investment
Company Act. To use amortized cost to value its portfolio  securities,  the fund
must adhere to certain  conditions  under the Rule relating to its  investments,
some of which  are  discussed  in this  Statement  of  Additional  Information..
Amortized cost is an approximation of market value of an instrument, whereby the
difference  between its acquisition cost and value at maturity is amortized on a
straight-line  basis over the remaining  life of the  instrument.  The effect of
changes in the market  value of a security as a result of  fluctuating  interest
rates is not taken into account, and thus the amortized cost method of valuation
may  result in the value of a  security  being  higher or lower  than its actual
market  value.  If a large  number  of  redemptions  take  place at a time  when
interest rates have increased,  the fund might have to sell portfolio securities
prior to maturity and at a price that might not be desirable.

         The board has established procedures  ("Procedures") for the purpose of
maintaining  a  constant  net asset  value of $1.00 per share,  which  include a
review of the extent of any  deviation  of net asset  value per share,  based on
available  market  quotations,  from the $1.00 amortized cost per share. If that
deviation  exceeds  1/2 of 1% for the fund,  the board  will  promptly  consider
whether any action should be initiated to eliminate or reduce material  dilution
or other  unfair  results to  shareholders.  Such action may  include  redeeming
shares in kind,  selling  portfolio  securities  prior to maturity,  reducing or
withholding dividends and utilizing a net asset value per share as determined by
using  available  market  quotations.  The fund will maintain a  dollar-weighted
average  portfolio  maturity  of 90 days or  less  and  will  not  purchase  any
instrument  having,  or deemed to have,  a  remaining  maturity of more than 397
days, will limit portfolio  investments,  including  repurchase  agreements,  to
those U.S.  dollar-denominated  instruments  that are of high quality  under the
Rule and that Mitchell Hutchins,  acting pursuant to the Procedures,  determines
present  minimal  credit  risks,  and will comply  with  certain  reporting  and
recordkeeping  procedures.  There is no assurance  that constant net asset value
per share will be  maintained.  If amortized cost ceases to represent fair value
per share, the board will take appropriate action.

         In determining the approximate  market value of portfolio  investments,
the fund may  employ  outside  organizations,  which may use a matrix or formula
method that takes into consideration market indices,  matrices, yield curves and
other specific adjustments.  This may result in the securities being valued at a
price different from the price that would have been determined had the matrix or
formula method not been used.

                             PERFORMANCE INFORMATION

         The fund's performance data quoted in advertising and other promotional
materials ("Performance  Advertisements") represent past performance and are not
intended to indicate future performance. The investment return will fluctuate.

         TOTAL  RETURN   CALCULATIONS.   Average   annual  total  return  quotes
("Standardized  Return")  used  in the  fund's  Performance  Advertisements  are
calculated according to the following formula:

                  n
          P(1 + T)   =    ERV
       where:      P =    a hypothetical  initial  payment of $1,000 to purchase
                          shares of a specified class
                   T =    average annual total return of shares of that class
                   n =    number of years
                 ERV =    ending  redeemable  value  of  a  hypothetical  $1,000
                          payment at the beginning of that period.

         Under the  foregoing  formula,  the time  periods  used in  Performance
Advertisements  will be based on rolling calendar quarters,  updated to the last
day of the most recent  quarter  prior to submission  of the  advertisement  for
publication.  Total return,  or "T" in the formula above, is computed by finding
the average annual change in the value of an initial $1,000  investment over the

                                       24

<PAGE>

period.  In calculating  the ending  redeemable  value,  for Class B and Class C
shares, the applicable  contingent deferred sales charge imposed on a redemption
of Class B or Class C shares held for the period is deducted.  All dividends are
assumed to have been reinvested at net asset value.

         The fund also may refer in Performance  Advertisements  to total return
performance  data that are not  calculated  according  to the  formula set forth
above ("Non-Standardized  Return"). The fund calculates  Non-Standardized Return
for specified periods of time by assuming an investment of $1,000 in fund shares
and assuming the reinvestment of all dividends distributions. The rate of return
is determined by subtracting the initial value of the investment from the ending
value and by dividing the remainder by the initial  value.  Contingent  deferred
sales charges are not taken into account in calculating Non-Standardized Return;
the inclusion of those charges would reduce the return.

         The fund also may refer in Performance  Advertisements  to total return
performance  data that are not  calculated  according  to the  formula set forth
above ("Non-Standardized  Return"). The fund calculates  Non-Standardized Return
for specified periods of time by assuming an investment of $1,000 in fund shares
and assuming the reinvestment of all dividends distributions. The rate of return
is determined by subtracting the initial value of the investment from the ending
value and by dividing the remainder by the initial  value.  Contingent  deferred
sales charges are not taken into account in calculating Non-Standardized Return;
the inclusion of those charges would reduce the return.

         Both Standardized Return and Non-Standardized Return for Class B shares
for periods of over six years reflect  conversion of the Class B shares to Class
A shares at the end of the sixth year.

         The following tables show performance information for each class of the
fund's shares outstanding for the periods indicated.  All returns for periods of
more than one year are expressed as an average annual return.

                                                     CLASS A   CLASS B   CLASS C
                                                     -------   -------   -------
         Year ended February 28, 1999:
                  Standardized Return*..............
                  Non-Standardized Return...........
         Five Years ended February 28, 1999:
                  Standardized Return*..............
                  Non-Standardized Return...........
         Ten Years ended February 28, 1999:
                  Standardized Return...............
                  Non-Standardized Return...........
         Inception** to February 28, 1999:
                  Standardized Return*..............
                  Non-Standardized Return...........
- --------------
*  All  Standardized  Return  figures  for  Class B and  Class C shares  reflect
   deduction of the applicable  contingent  deferred sales charges  imposed on a
   redemption of shares held for the period.

** The inception date for each class of shares is as follows:

             CLASS A               CLASS B                CLASS C
             -------               -------                -------
            07/01/91               09/26/86              07/14/92


CALCULATION OF YIELD

         The fund  computes  its  yield and  effective  yield  quotations  using
standardized  methods required by the SEC. The fund from time to time advertises
(1) its current yield based on a recently ended  seven-day  period,  computed by
determining  the net change,  exclusive  of capital  changes,  in the value of a
hypothetical pre-existing account having a balance of one share at the beginning

                                       25

<PAGE>

of the period, subtracting a hypothetical charge reflecting deductions from that
shareholder account,  dividing the difference by the value of the account at the
beginning  of the base  period  to  obtain  the  base  period  return,  and then
multiplying  the base period return by (365/7),  with the resulting yield figure
carried to at least the nearest hundredth of one percent,  and (2) its effective
yield based on the same seven-day  period by compounding  the base period return
by adding 1, raising the sum to a power equal to (365/7), and subtracting 1 from
the result, according to the following formula:

                                                         365/7
              EFFECTIVE YIELD = [(BASE PERIOD RETURN + 1)     ] - 1

         For the seven days ended  February  28, 1999,  the yield and  effective
yield of the fund's shares was as follows:

                                                  YIELD          EFFECTIVE YIELD
                                                  -----          ---------------
             Class A Shares................
             Class B Shares................
             Class C Shares................


         Yield may fluctuate  daily and does not provide a basis for determining
future yields.  Because the yield of the fund fluctuates,  it cannot be compared
with yields on savings accounts or other investment alternatives that provide an
agreed-to or guaranteed fixed yield for a stated period of time. However,  yield
information may be useful to an investor  considering  temporary  investments in
money market  instruments.  In  comparing  the yield of one money market fund to
another,  consideration  should  be given to each  fund's  investment  policies,
including the types of investments  made, the average  maturity of the portfolio
securities and whether there are any special account charges that may reduce the
yield.

         OTHER  INFORMATION.  The fund's  performance data quoted in advertising
and other promotional materials  ("Performance  Advertisements")  represent past
performance  and are not  intended to predict or indicate  future  results.  The
return  on  an  investment   in  the  fund  will   fluctuate.   In   Performance
Advertisements,  the fund may compare its taxable  yield with data  published by
Lipper  Analytical  Services,  Inc. for money funds  ("Lipper"),  CDA Investment
Technologies,  Inc.  ("CDA"),  IBC Financial  Data, Inc.  ("IBC"),  Wiesenberger
Investment  Companies Service  ("Wiesenberger")  or Investment Company Data Inc.
("ICD"),  or with  the  performance  of  recognized  stock  and  other  indexes,
including the Standard & Poor's 500 Composite  Stock Price Index,  the Dow Jones
Industrial  Average,  the Morgan Stanley Capital  International World Index, the
Lehman Brothers  Treasury Bond Index,  the Lehman Brothers  Government/Corporate
Bond  Index,  the  Salomon  Brothers  Government  Bond Index and  changes in the
Consumer Price Index as published by the U.S.  Department of Commerce.  The fund
also may refer in such materials to mutual fund  performance  rankings and other
data, such as comparative  asset,  expense and fee levels,  published by Lipper,
CDA, IBC,  Wiesenberger  or ICD.  Performance  Advertisements  also may refer to
discussions of the Fund and comparative mutual fund data and ratings reported in
independent  periodicals,  including THE WALL STREET  JOURNAL,  MONEY  MAGAZINE,
FORBES,  BUSINESS WEEK, FINANCIAL WORLD, BARRON'S,  FORTUNE, THE NEW YORK TIMES,
THE CHICAGO TRIBUNE, THE WASHINGTON POST and THE KIPLINGER LETTERS.  Comparisons
in Performance Advertisements may be in graphic form.

         The fund may also compare its performance with the performances of bank
certificates  of deposit  ("CDs") as measured by the CDA  Certificate of Deposit
Index and the Bank Rate Monitor  National Index and the average of yields of CDs
of major banks published by  Banxquotes(REGISTERED)  Money Markets. In comparing
the fund's  performance to CD  performance,  investors  should keep in mind that
bank CDs are insured in whole or in part by an agency of the U.S. government and
offer fixed principal and fixed or variable rates of interest,  and that bank CD
yields may vary  depending  on the  financial  institution  offering  the CD and
prevailing  interest rates.  Bank accounts are insured in whole or in part by an
agency of the U.S.  government and may offer a fixed rate of return. Fund shares
are not insured or guaranteed by the U.S.  government  and returns  thereon will
fluctuate.  While the fund seeks to  maintain a stable net asset  value of $1.00
per share, there can be no assurance that it will be able to do so.

                                       26

<PAGE>

         The fund may include  discussions  or  illustrations  of the effects of
compounding  in  Performance  Advertisements.  "Compounding"  refers to the fact
that,  if  dividends  on the fund  investment  are  reinvested  by being paid in
additional Ffnd shares,  any future income of the fund would increase the value,
not only of the original fund investment, but also of the additional fund shares
received  through  reinvestment.  As a result,  the value of the fund investment
would  increase more quickly than if dividends  had been paid in cash.  The fund
may also make  available to  shareholders  a daily accrual  factor or "mil rate"
representing  dividends accrued to shareholder  accounts on a given day or days.
Certain  shareholders may find that this information  facilitates  accounting or
recordkeeping.

                                      TAXES

         BACKUP  WITHHOLDING.  The  fund  is  required  to  withhold  31% of all
dividends  and  redemption  proceeds  payable to  individuals  and certain other
non-corporate  shareholders  who do not provide the fund or  PaineWebber  with a
correct  taxpayer  identification  number.  Withholding  at  that  rate  also is
required from dividends payable to those  shareholders who otherwise are subject
to backup withholding.

         CONVERSION OF CLASS B SHARES.  A shareholder  will recognize no gain or
loss as a result of a conversion from Class B shares to Class A shares.

         QUALIFICATION  AS  A  REGULATED  INVESTMENT  COMPANY.  To  qualify  for
treatment as a RIC under the Internal  Revenue Code, the fund must distribute to
its  shareholders  for each taxable year at least 90% of its investment  company
taxable income (consisting generally of net investment income and net short-term
capital  gains,  if any) and must meet several  additional  requirements.  Among
these  requirements are the following:  (1) the fund must derive at least 90% of
its gross income each  taxable  year from  dividends,  interest,  payments  with
respect  to  securities  loans and gains from the sale or other  disposition  of
securities  and certain  other  income;  (2) at the close of each quarter of the
fund's  taxable  year,  at least 50% of the value of its  total  assets  must be
represented by cash and cash items, U.S.  government  securities,  securities of
other RICs and other securities that are limited,  in respect of any one issuer,
to an amount  that does not exceed 5% of the value of the fund's  total  assets;
and (3) at the close of each quarter of the fund's  taxable year,  not more than
25% of the value of its total assets may be invested in  securities  (other than
U.S.  government  securities or the securities of other RICs) of any one issuer.
If the fund failed to qualify for treatment as a RIC for any taxable  year,  (a)
it would be taxed as an ordinary  corporation  on the full amount of its taxable
income for that year without being able to deduct the  distributions it makes to
its shareholders and (b) the shareholders would treat all those distributions as
dividends  (that is,  ordinary  income) to the extent of the fund's earnings and
profits. In addition,  the fund could be required to recognize unrealized gains,
pay substantial taxes and interest,  and make substantial  distributions  before
requalifying for RIC treatment.

                                OTHER INFORMATION

         CLASSES OF  SHARES.  A share of each  class of the fund  represents  an
identical  interest in the fund's investment  portfolio and has the same rights,
privileges  and  preferences.  However,  each class may differ  with  respect to
distribution  and/or service fees, other expenses allocable  exclusively to each
class,  voting  rights on matters  exclusively  affecting  that  class,  and its
exchange  privilege,  if any. The  different  sales  charges and other  expenses
applicable  to the  different  classes  of shares of the fund  will  affect  the
performance of those classes.  Each share of the fund is entitled to participate
equally in dividends and the proceeds of any  liquidation of the fund.  However,
due to the differing expenses of the classes, dividends and liquidation proceeds
on Class A, B and C shares will differ.

         VOTING  RIGHTS.  Shareholders  of the fund are entitled to one vote for
each full share held and  fractional  votes for fractional  shares held.  Voting
rights are not cumulative and, as a result,  the holders of more than 50% of all
the shares of the  Corporation  may elect all its board members.  The shares the
fund will be voted together,  except that only the  shareholders of a particular
class of the fund may vote on matters  affecting  only that  class,  such as the
terms of a Rule 12b-1 Plan as it relates to the class. The shares of each series
of the Corporation  will be voted  separately,  except when an aggregate vote of
all the series is required by law.

                                       27

<PAGE>

         The fund does not hold annual  meetings.  Shareholders  of record of no
less than two-thirds of the  outstanding  shares of the Corporation may remove a
board member  through a  declaration  in writing or by vote cast in person or by
proxy at a meeting called for that purpose.  A meeting will be called to vote on
the removal of a board  member at the  written  request of holders of 10% of the
outstanding shares of the Corporation.

         CLASS-SPECIFIC  EXPENSES. The fund may determine to allocate certain of
its  expenses  (in  addition to service and  distribution  fees) to the specific
classes of its shares to which those  expenses  are  attributable.  For example,
Class B and Class C shares bear  higher  transfer  agency  fees per  shareholder
account than those borne by Class A shares. The higher fee is imposed due to the
higher costs  incurred by the  transfer  agent in tracking  shares  subject to a
contingent deferred sales charge because,  upon redemption,  the duration of the
shareholder's investment must be determined in order to determine the applicable
charge.  Although the transfer  agency fee will differ on a per account basis as
stated above,  the specific extent to which the transfer agency fees will differ
between the classes as a percentage  of net assets is not  certain,  because the
fee as a percentage of net assets will be affected by the number of  shareholder
accounts in each class and the relative amounts of net assets in each class.

         PRIOR NAMES. Prior to November 10, 1995, the Class C shares of the fund
were called "Class D" shares.

         CUSTODIAN AND RECORDKEEPING  AGENT;  TRANSFER AND DIVIDEND AGENT. State
Street Bank and Trust  Company,  located at One Heritage  Drive,  North  Quincy,
Massachusetts  02171,  serves as custodian and recordkeeping agent for the fund.
PFPC Inc., a subsidiary of PNC Bank,  N.A.,  serves as each fund's  transfer and
dividend disbursing agent. It is located at 400 Bellevue Parkway, Wilmington, DE
19809.

         COUNSEL. The law firm of Kirkpatrick & Lockhart LLP, 1800 Massachusetts
Avenue,  N.W.,  Washington,  D.C.  20036-1800,  serves as  counsel  to the fund.
Kirkpatrick  & Lockhart  LLP also acts as counsel to  PaineWebber  and  Mitchell
Hutchins in connection with other matters.

         AUDITORS.  PricewaterhouseCoopers LLP, 1177 Avenue of the Americas, New
York, New York 10036, serves as
independent accountants for the Fund.

                              FINANCIAL STATEMENTS

The fund's Annual Report to Shareholders for its last fiscal year ended February
28, 1999 is a separate  document  supplied  with this  Statement  of  Additional
Information,  and the  financial  statements,  accompanying  notes and report of
independent   auditors  or  independent   accountants   appearing   therein  are
incorporated herein by this reference.

                                       28

<PAGE>

YOU  SHOULD  RELY  ONLY  ON THE  INFORMATION  CONTAINED  OR  REFERRED  TO IN THE
PROSPECTUS  AND  THIS  STATEMENT  OF  ADDITIONAL  INFORMATION.  THE FUND AND ITS
DISTRIBUTOR  HAVE NOT AUTHORIZED  ANYONE TO PROVIDE YOU WITH INFORMATION THAT IS
DIFFERENT. THE PROSPECTUS AND THIS STATEMENT OF ADDITIONAL INFORMATION IS NOT AN
OFFER TO SELL  SHARES  OF THE  FUND IN ANY  JURISDICTION  WHERE  THE FUND OR ITS
DISTRIBUTOR MAY NOT LAWFULLY SELL THOSE SHARES.


                                   -----------









PAINEWEBBER
MONEY MARKET FUND



- ------------------------------------------
Statement of Additional Information
June 30, 1999
- ------------------------------------------









PAINEWEBBER









(COPYRIGHT)1999 PaineWebber Incorporated

    

<PAGE>



                            PART C. OTHER INFORMATION

Item 23.  Exhibits
          --------

         (1)      Restated  Articles of Incorporation 1/

         (2)      Restated  By-Laws 1/

         (3)      Instruments defining the rights of holders of the Registrant's
                  common stock 2/

         (4)      Investment Advisory and Administration Contract 1/

         (5)      (a)     Distribution Contract with respect to Class A shares
                          1/

                  (b)     Distribution  Contract  with respect to Class B shares
                          1/

                  (c)     Distribution  Contract  with respect to Class C shares
                          3/

                  (d)     Distribution  Contract  with respect to Class Y shares
                          3/

                  (e)     Exclusive  Dealer  Agreement  with  respect to Class A
                          shares 1/

                  (f)     Exclusive  Dealer  Agreement  with  respect to Class B
                          shares 1/

                  (g)     Exclusive  Dealer  Agreement  with  respect to Class C
                          shares 3/

                  (h)     Exclusive  Dealer  Agreement  with  respect to Class Y
                          shares 3/
 
         (6)      Bonus, profit sharing or pension plans - none

         (7)      Custodian Agreement 1/

         (8)      Transfer Agency Agreement 1/
   
         (9)      Opinion and consent of counsel (to be filed)

         (10)     Other opinions, appraisals, rulings and consents: Accountant's
                  Consent (to be filed)
    
         (11)     Financial  statements  omitted  from  prospectus  - none

         (12)     Letter of investment intent 1/
   
         (13)     (a)     Plan  of  Distribution  pursuant  to  Rule 12b-1  with
                          respect  to Class A Shares (to be filed)

                  (b)     Plan  of  Distribution  pursuant  to Rule  12b-1  with
                          respect to Class B Shares (to be filed)

                  (c)     Plan  of  Distribution  pursuant  to Rule  12b-1  with
                          respect to Class C Shares (to be filed)
         (14)     and

         (27)     Financial Data Schedule (to be filed)
    
         (15)     Plan pursuant to Rule 18f-3 4/

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

1/    Incorporated  by reference  from  Post-Effective  Amendment  No. 34 to the
      registration statement, SEC File No. 33-2524, filed June 29, 1998.

2/    Incorporated by reference from Articles Sixth, Seventh,  Eighth,  Eleventh
      and Twelfth of the Registrant's  Restated  Articles of  Incorporation  and
      from  Articles  II,  VIII,  X,  XI and  XII of the  Registrant's  Restated
      By-Laws.

3/    Incorporated  by reference  from  Post-Effective  Amendment  No. 28 to the
      registration statement, SEC File No. 33-2524, filed July 1, 1996.


                                      C-1
<PAGE>


4/    Incorporated  by reference  from  Post-Effective  Amendment  No. 30 to the
      registration statement, SEC File No. 33-2524, filed September 20, 1996.

Item 24.  Persons Controlled by or Under Common Control With Registrant
          -------------------------------------------------------------

      None.

Item 25.  Indemnification
          ---------------

      Article Eleventh of the Articles of Incorporation provides that the
directors and officers of the Registrant shall not be liable to the Registrant
or to any of its stockholders for monetary damages to the maximum extent
permitted by applicable law. Article Eleventh also provides that any repeal or
modification of Article Eleventh or adoption, or modification of any other
provision of the Articles or By-Laws inconsistent with Article Eleventh shall
not adversely affect any limitation of liability of any director or officer of
the Registrant with respect to any act or failure to act which occurred prior to
such repeal, modification or adoption.

      Article Eleventh of the Articles of Incorporation and Section 10.01 of
Article X of the By-Laws provide that the Registrant shall indemnify and advance
expenses to its present and past directors, officers, employees and agents, and
any persons who are serving or have served at the request of the Registrant as a
director, officer, employee or agent of another corporation, partnership, joint
venture, trust, or enterprise, to the fullest extent permitted by law.

      Section 10.02 of Article X of the By-Laws further provides that the
Registrant may purchase and maintain insurance on behalf of any person who is or
was a director, officer or employee of the Registrant, or is or was serving at
the request of the Registrant as a director, officer or employee of a
corporation, partnership, joint venture, trust or other enterprise against any
liability asserted against him or out of his or her status as such whether or
not the Registrant would have the power to indemnify him or her against such
liability.

      Section 9 of the Investment Advisory and Administration Contract provides
that Mitchell Hutchins Asset Management Inc. ("Mitchell Hutchins") shall not be
liable for any error of judgment or mistake of law or for any loss suffered by
Registrant in connection with the matters to which the Contract relates except
for a loss resulting from willful misfeasance, bad faith or gross negligence of
Mitchell Hutchins in the performance of its duties or from its reckless
disregard of its obligations and duties under the Contract. Section 9 further
provides that any person, even though also an officer, partner, employee or
agent of Mitchell Hutchins, who may be or become an officer, director, employee
or agent of Registrant shall be deemed, when rendering services to the
Registrant or acting with respect to any business of the Registrant, to be
rendering such service to or acting solely for the Registrant and not as an
officer, partner, employee, or agent or one under the control or direction of
Mitchell Hutchins even though paid by it.

      Section 9 of each Distribution Contract provides that the Registrant will
indemnify Mitchell Hutchins and its officers, directors or controlling persons
against all liabilities arising from any alleged untrue statement of material
fact in the Registration Statement or from alleged omission to state in the
Registration Statement a material fact required to be stated in it or necessary
to make the statements in it, in light of the circumstances under which they
were made, not misleading, except insofar as liability arises from untrue
statements or omissions made in reliance upon and in conformity with information
furnished by Mitchell Hutchins to the Registrant for use in the Registration
Statement; and provided that this indemnity agreement shall not protect any such
persons against liabilities arising by reason of their bad faith, gross
negligence or willful misfeasance; and shall not inure to the benefit of any
such persons unless a court of competent jurisdiction or controlling precedent
determines that such result is not against public policy as expressed in the
Securities Act of 1933. Section 9 of each Distribution Contract also provides
that Mitchell Hutchins agrees to indemnify, defend and hold the Registrant, its
officers and directors free and harmless of any claims arising out of any
alleged untrue statement or any alleged omission of material fact contained in
information furnished by Mitchell Hutchins for use in the Registration Statement


                                      C-2
<PAGE>


or arising out of an agreement between Mitchell Hutchins and any retail dealer,
or arising out of supplementary literature or advertising used by Mitchell
Hutchins in connection with each Distribution Contract.

      Section 9 of each Exclusive Dealer Agreement contains provisions similar
to Section 9 of each Distribution Contract, with respect to PaineWebber
Incorporated ("PaineWebber").

      Insofar as indemnification for liabilities arising under the Securities
Act of 1933, as amended, may be provided to directors, officers and controlling
persons of the Registrant, pursuant to the foregoing provisions or otherwise,
the Registrant has been advised that in the opinion of the Securities and
Exchange Commission such indemnification is against public policy as expressed
in the Act and is, therefore, unenforceable. In the event that a claim for
indemnification against such liabilities (other than the payment by the
Registrant of expenses incurred or paid by a director, officer or controlling
person of the Registrant in connection with the successful defense of any
action, suit or proceeding or payment pursuant to any insurance policy) is
asserted against the Registrant by such director, officer or controlling person
in connection with the securities being registered, the Registrant will, unless
in the opinion of its counsel the matter has been settled by controlling
precedent, submit to a court of appropriate jurisdiction the question whether
such indemnification by it is against public policy as expressed in the Act and
will be governed by the final adjudication of such issue.


Item 26.  Business and Other Connections of Investment Adviser
          ----------------------------------------------------

      Mitchell Hutchins, a Delaware corporation, is a registered investment
adviser and is a wholly owned subsidiary of PaineWebber which is, in turn, a
wholly owned subsidiary of Paine Webber Group Inc. Mitchell Hutchins is
primarily engaged in the investment advisory business. Information as to the
officers and directors of Mitchell Hutchins is included in its Form ADV, as
filed with the Securities and Exchange Commission (registration number
801-13219) and is incorporated herein by reference.

Item 27.  Principal Underwriters
          ----------------------

      a)    Mitchell  Hutchins serves as principal underwriter and/or investment
            adviser for the following investment companies:

            ALL-AMERICAN TERM TRUST, INC.
            GLOBAL HIGH INCOME DOLLAR FUND, INC.
            GLOBAL SMALL CAP FUND, INC.
            INSURED MUNICIPAL INCOME FUND, INC.
            INVESTMENT GRADE MUNICIPAL INCOME FUND, INC.
            MANAGED HIGH YIELD FUND, INC.
            MANAGED HIGH YIELD PLUS FUND INC.
            MITCHELL HUTCHINS INSTITUTIONAL SERIES
            MITCHELL HUTCHINS PORTFOLIOS
            MITCHELL HUTCHINS SERIES TRUST
            PAINEWEBBER AMERICA FUND
            PAINEWEBBER FINANCIAL SERVICES GROWTH FUND, INC.
            PAINEWEBBER INDEX TRUST
            PAINEWEBBER INVESTMENT SERIES
            PAINEWEBBER INVESTMENT TRUST
            PAINEWEBBER INVESTMENT TRUST II
            PAINEWEBBER MANAGED ASSETS TRUST
            PAINEWEBBER MANAGED INVESTMENTS TRUST
            PAINEWEBBER MASTER SERIES, INC.
            PAINEWEBBER MUNICIPAL SERIES
            PAINEWEBBER MUTUAL FUND TRUST
            PAINEWEBBER OLYMPUS FUND


                                      C-3
<PAGE>


            PAINEWEBBER SECURITIES TRUST
            STRATEGIC GLOBAL INCOME FUND, INC.
            2002 TARGET TERM TRUST, INC.

      b)    Mitchell Hutchins is the principal underwriter for the Registrant.
            PaineWebber acts as exclusive dealer for the shares of the
            Registrant. The directors and officers of Mitchell Hutchins, their
            principal business addresses, and their positions and offices with
            Mitchell Hutchins are identified in its Form ADV, as filed with the
            Securities and Exchange Commission (registration number 801-13219).
            The directors and officers of PaineWebber, their principal business
            addresses, and their positions and offices with PaineWebber are
            identified in its Form ADV, as filed with the Securities and
            Exchange Commission (registration number 801-7163). The foregoing
            information is hereby incorporated herein by reference. The
            information set forth below is furnished for those directors and
            officers of Mitchell Hutchins or PaineWebber who also serve as
            directors or officers of the Registrant. Unless otherwise indicated,
            the principal business address of each person named is 1285 Avenue
            of the Americas, New York, NY 10019.

                                                      Position and Offices With
                                                      Underwriter or
Name                     Position With Registrant     Exclusive Dealer
- ----                     ------------------------     ----------------

Margo N. Alexander       Director and President       President, Chief Executive
                                                      Officer and a Director of
                                                      Mitchell Hutchins and
                                                      Executive Vice President
                                                      and a Director of
                                                      PaineWebber

Mary C. Farrell          Director                     Managing  Director, Senior
                                                      Investment Strategist and
                                                      member of the Investment
                                                      Policy Committee of
                                                      PaineWebber

T. Kirkham Barneby       Vice President               Managing  Director  and
                                                      Chief Investment Officer -
                                                      Quantitative Investments
                                                      of Mitchell Hutchins

John J. Lee              Vice President and           Vice   President and  a
                         Assistant Treasurer          Manager of the Mutual Fund
                                                      Finance Department of
                                                      Mitchell Hutchins

Dennis McCauley          Vice President               Managing  Director and
                                                      Chief Investment Officer -
                                                      Fixed Income of Mitchell
                                                      Hutchins

Ann E. Moran             Vice President and           Vice President  and  a
                         Assistant Treasurer          Manager of the Mutual Fund
                                                      Finance Department of
                                                      Mitchell Hutchins

Dianne E. O'Donnell      Vice President and           Senior Vice President and
                         Secretary                    Deputy General Counsel of
                                                      Mitchell Hutchins

Emil Polito              Vice President               Senior Vice President and
                                                      Director of Operations and
                                                      Control for Mitchell
                                                      Hutchins

Susan Ryan               Vice President               Senior Vice President and
                                                      a  Portfolio  Manager at
                                                      Mitchell Hutchins
   
Victoria E. Schonfeld    Vice President               Managing  Director  and
                                                      General  Counsel  of
                                                      Mitchell Hutchins and a
                                                      Senior Vice President of
                                                      PaineWebber
    
Paul H. Schubert         Vice President and           Senior Vice President and
                         Treasurer                    Director of  the  Mutual
                                                      Fund Finance Department of
                                                      Mitchell Hutchins


                                      C-4
<PAGE>


                                                      Position and Offices With
                                                      Underwriter or
Name                     Position With Registrant     Exclusive Dealer
- ----                     ------------------------     ----------------
   
Nirmal Singh             Vice President               Senior Vice President and
                                                      a Portfolio Manager  at
                                                      Mitchell Hutchins
    
Barney A. Taglialatela   Vice President and           Vice President and a
                         Assistant Treasurer          Manager of the Mutual Fund
                                                      Finance Department of
                                                      Mitchell Hutchins
   
Mark A. Tincher          Vice President               Managing Director and
                                                      Chief Investment Officer -
                                                      Equities of Mitchell
                                                      Hutchins
    
Keith A. Weller          Vice President and           First Vice President and
                         Assistant Secretary          Associate  General Counsel
                                                      of Mitchell Hutchins

       c) None

 Item 28. Location of Accounts and Records
          --------------------------------

      The books and other documents required by paragraphs (b)(4), (c) and (d)
of Rule 31a-1 under the Investment Company Act of 1940 are maintained in the
physical possession of Mitchell Hutchins, 1285 Avenue of the Americas, New York,
New York 10019. All other accounts, books and documents required by Rule 31a-1
are maintained in the physical possession of Registrant's transfer agent and
custodian.

Item 29.  Management Services
          -------------------

      Not applicable.

Item 30.  Undertakings
          ------------

      None.


                                      C-5
<PAGE>


                         PAINEWEBBER MASTER SERIES, INC.

                                  EXHIBIT INDEX

Exhibit
Number
- ------

         (1)      Restated Articles of Incorporation 1/

         (2)      Restated By-Laws 1/

         (3)      Instruments defining the rights of holders of the Registrant's
                  common stock 2/

         (4)      Investment Advisory and Administration Contract 1/

         (5)      (a)      Distribution Contract with respect to Class A shares
                           1/

                  (b)      Distribution Contract with respect to Class B shares
                           1/

                  (c)      Distribution Contract with respect to Class C shares
                           3/

                  (d)      Distribution Contract with respect to Class Y shares
                           3/

                  (e)      Exclusive Dealer Agreement with respect to Class A
                           shares 1/

                  (f)      Exclusive Dealer Agreement with respect to Class B
                           shares 1/

                  (g)      Exclusive Dealer Agreement with respect to Class C
                           shares 3/

                  (h)      Exclusive Dealer Agreement with respect to Class Y
                           shares 3/
    
         (6)      Bonus, profit sharing or pension plans - none

         (7)      Custodian Agreement 1/

         (8)      Transfer Agency Agreement 1/
   
         (9)      Opinion and consent of counsel (to be filed)

         (10)     Other opinions, appraisals, rulings and consents: Accountant's
                  Consent (to be filed)
    
         (11)     Financial statements omitted from prospectus - none

         (12)     Letter of investment intent 1/
   
         (13)     (a)      Plan of Distribution pursuant to Rule 12b-1 with
                           respect  to Class A Shares (to be filed)

                  (b)      Plan of Distribution pursuant to Rule 12b-1 with
                           respect to Class B Shares (to be filed)

                  (c)      Plan of Distribution pursuant to Rule 12b-1 with
                           respect to Class C Shares (to be filed)
         (14)     and

         (27)     Financial Data Schedule (to be filed)

         (15)     Plan pursuant to Rule 18f-3 4/
    

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

1/    Incorporated  by reference  from  Post-Effective  Amendment  No. 34 to the
      registration statement, SEC File No. 33-2524, filed June 29, 1998.

2/    Incorporated by reference from Articles Sixth, Seventh,  Eighth,  Eleventh
      and Twelfth of the Registrant's  Restated  Articles of  Incorporation  and
      from  Articles  II,  VIII,  X,  XI and  XII of the  Registrant's  Restated
      By-Laws.


<PAGE>


3/    Incorporated  by reference  from  Post-Effective  Amendment  No. 28 to the
      registration statement, SEC File No. 33-2524, filed July 1, 1996.

4/    Incorporated  by reference  from  Post-Effective  Amendment  No. 30 to the
      registration statement, SEC File No. 33-2524, filed September 20, 1996.

<PAGE>
                                   SIGNATURES

     Pursuant  to  the  requirements  of the  Securities  Act of  1933  and  the
Investment   Company  Act  of  1940,   the   Registrant  has  duly  caused  this
Post-Effective  Amendment  to its  Registration  Statement  to be  signed on its
behalf by the undersigned,  thereunto duly  authorized,  in the City of New York
and State of New York, on the 28th day of April, 1999.

                                            PAINEWEBBER MASTER SERIES, INC.

                                            By:  /s/ Dianne E. O'Donnell
                                                -----------------------
                                                Dianne E. O'Donnell
                                                Vice President and Secretary


     Pursuant  to  the   requirements  of  the  Securities  Act  of  1933,  this
Post-Effective  Amendment has been signed below by the following  persons in the
capacities  and on the  dates  indicated:


Signature                         Title                           Date
- ---------                         -----                           ----

/s/ Margo N. Alexander            President and Director          April 28, 1999
- --------------------------        (Chief Executive Officer)
Margo N. Alexander*


/s/ E. Garrett Bewkes, Jr.        Director and Chairman           April 28, 1999
- --------------------------        of the Board of Directors
E. Garrett Bewkes, Jr.*


/s/ Richard Q. Armstrong          Director                        April 28, 1999
- --------------------------
Richard Q. Armstrong*


/s/ Richard R. Burt               Director                        April 28, 1999
- --------------------------
Richard R. Burt*


/s/ Mary C. Farrell               Director                        April 28, 1999
- --------------------------
Mary C. Farrell*


/s/ Meyer Feldberg                Director                        April 28, 1999
- --------------------------
Meyer Feldberg*


/s/ George W. Gowen               Director                        April 28, 1999
- --------------------------
George W. Gowen*


/s/ Frederic V. Malek             Director                        April 28, 1999
- --------------------------
Frederic V. Malek*


/s/ Carl W. Schafer               Director                        April 28, 1999
- --------------------------
Carl W. Schafer*


/s/ Paul H. Schubert              Vice President and Treasurer    April 28, 1999
- --------------------------        (Chief Financial and
Paul H. Schubert                  Accounting Officer)


<PAGE>


                                    SIGNATURES (Continued)

        Signature  affixed by Elinor W.  Gammon  pursuant  to powers of attorney
        dated May 21, 1996 and  incorporated  by reference  from  Post-Effective
        Amendment  No.  25 to the  registration  statement  of  PaineWebber  RMA
        Tax-Free Fund, Inc., SEC File 2-78310, filed June 27, 1996.



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