LIQUID INSTITUTIONAL RESERVES
497, 2000-09-19
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                          LIQUID INSTITUTIONAL RESERVES

                                Money Market Fund
                           Government Securities Fund
                            Treasury Securities Fund

                               51 West 52nd Street
                          New York, New York 10019-6114

                       STATEMENT OF ADDITIONAL INFORMATION

        Money Market Fund,  Government  Securities Fund and Treasury  Securities
Fund are  professionally  managed  money market funds  organized as  diversified
series  of Liquid  Institutional  Reserves  ("Trust"),  an  open-end  investment
company.

        The  funds'  investment   adviser,   administrator  and  distributor  is
PaineWebber Incorporated ("PaineWebber"); their sub-adviser is Mitchell Hutchins
Asset  Management Inc.  ("Mitchell  Hutchins"),  a wholly owned asset management
subsidiary  of  PaineWebber.   Mitchell  Hutchins  also  serves  as  the  funds'
sub-administrator.

        Portions of the funds' Annual Report to Shareholders are incorporated by
reference  into this  Statement of Additional  Information  ("SAI").  The Annual
Report  accompanies  this SAI. You may obtain an  additional  copy of the funds'
Annual Report without charge by calling toll-free 1-888-LIR-FUND.

        This SAI is not a prospectus and should be read only in conjunction with
the fund's current Prospectus, dated September 1, 2000. A copy of the Prospectus
may be obtained by calling any PaineWebber  Financial  Advisor or  correspondent
firm or by  calling  toll-free  1-888-LIR-FUND.  Customers  of banks  and  other
financial  intermediaries that purchase the funds' Financial Intermediary shares
may obtain the Prospectus from their financial intermediaries. This SAI is dated
September 1, 2000.



                            TABLE OF CONTENTS
                                                                       Page
                                                                       ----

     The Funds and Their Investment Policies...................          2
     The Funds' Investments, Related Risks and Limitations.....          3
     Organization of the Trust; Trustees and Officers;
        Principal Holders and Management Ownership of Securities         9
     Investment Advisory, Administration
        and Distribution Arrangements..........................         16
     Portfolio Transactions....................................         19
     Additional Information Regarding Redemptions..............         20
     Valuation of Shares.......................................         20
     Performance Information...................................         21
     Taxes.....................................................         24
     Other Information.........................................         24
     Financial Statements......................................         25



<PAGE>


                     THE FUNDS AND THEIR INVESTMENT POLICIES

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

        Each fund is a money  market  fund that  invests in high  quality  money
market instruments that have, or are deemed to have,  remaining maturities of 13
months or less.  Money market  instruments are short-term  debt-obligations  and
similar  securities.  They also  include  longer  term bonds that have  variable
interest  rates  or  other  special   features  that  give  them  the  financial
characteristics   of  short-term   debt.  Each  fund  may  purchase  only  those
obligations that Mitchell Hutchins determines, pursuant to procedures adopted by
the board,  present  minimal  credit  risks and are "First Tier  Securities"  as
defined  in Rule 2a-7  under the  Investment  Company  Act of 1940,  as  amended
("Investment  Company  Act").  Each fund  maintains  a  dollar-weighted  average
portfolio maturity of 90 days or less.

        MONEY MARKET FUND's investment  objective is to earn high current income
to the extent consistent with the preservation of capital and the maintenance of
liquidity  through  investments  in a  diversified  portfolio  of high  quality,
short-term,  U.S.  dollar  denominated  money  market  instruments.  The  fund's
investments include (1) U.S. and foreign government securities,  (2) obligations
of U.S. and foreign banks, (3) commercial paper and other short-term obligations
of U.S. and foreign corporations, partnerships, trusts and similar entities, (4)
repurchase agreements and (5) investment company securities.

        The fund may invest in obligations  (including  certificates of deposit,
bankers' acceptances, time deposits and similar obligations) of U.S. and foreign
banks only if the institution has total assets at the time of purchase in excess
of $1.5 billion. The fund's investments in non-negotiable time deposits of these
institutions  will be considered  illiquid if they have maturities  greater than
seven calendar days.

        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),  except
that the fund may invest up to 25% of its total assets in First Tier  Securities
of a single  issuer  for a period  of up to three  business  days.  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 from banks or through  reverse  repurchase  agreements  for temporary
purposes, but not in excess of 33 1/3% of its total assets. The costs associated
with borrowing may reduce the fund's net income.

        GOVERNMENT  SECURITIES  FUND's  investment  objective  is to  earn  high
current income to the extent consistent with the preservation of capital and the
maintenance of liquidity through investments in a diversified  portfolio of high
quality,  short-term, U.S. dollar denominated money market instruments. The fund
invests  substantially  all its  assets  in U.S.  government  securities  and in
repurchase  agreements  secured by such securities.  The fund's investments also
may include  securities of other investment  companies that invest only in these
instruments.  Income from repurchase agreements may not be exempt from state and
local  income  taxation.  Under  extraordinary   circumstances,   the  fund  may
temporarily hold cash.

        Each investor  should  consult its own tax adviser to determine  whether
distributions  from the fund derived from interest on its portfolio  investments
are exempt from state or local income  taxation  and whether such  distributions
may be subject to state corporate franchise tax.

        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 from banks or through  reverse  repurchase  agreements  for temporary
purposes, but not in excess of 33 1/3% of its total assets. The costs associated
with borrowing may reduce the fund's net income.

                                       2

<PAGE>


        TREASURY SECURITIES FUND's investment  objective is to earn high current
income  to the  extent  consistent  with the  preservation  of  capital  and the
maintenance of liquidity through investments in a diversified  portfolio of high
quality,  short-term, U.S. dollar denominated money market instruments. The fund
invests  substantially all its assets in securities issued by the U.S. Treasury,
which are  supported  by the full  faith and credit of the  United  States.  The
interest  income on these  securities  is generally  exempt from state and local
income tax. The fund will not enter into repurchase agreements.

        Each investor  should  consult its own tax adviser to determine  whether
distributions  from the fund derived from interest on its portfolio  investments
are exempt from state or local income  taxation  and whether such  distributions
may be subject to state corporate franchise tax.

        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 from banks or through  reverse  repurchase  agreements  for temporary
purposes, but not in excess of 33 1/3% of its total assets. The costs associated
with  borrowing  may reduce the  fund's net  income.  The fund may invest in the
securities of other investment companies that have similar tax characteristics.

              THE FUNDS' INVESTMENTS, RELATED RISKS AND LIMITATIONS

        The following  supplements the  information  contained in the Prospectus
and above  concerning each fund's  investments,  related risks and  limitations.
Except as  otherwise  indicated  in the  Prospectus  or the SAI,  the funds have
established  no policy  limitations  on their ability to use the  investments or
techniques  discussed in these documents.  New forms of money market instruments
continue  to be  developed.  The funds may  invest in these  instruments  to the
extent consistent with their investment objectives.

        YIELDS  AND  CREDIT  RATINGS  OF MONEY  MARKET  INSTRUMENTS;  FIRST TIER
SECURITIES. The yields on the money market instruments in which the funds invest
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  nationally
recognized  statistical rating organizations ("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 a fund, an issue may cease to be rated or
its rating may be reduced.  If a security in a fund's  portfolio  ceases to be a
First Tier  Security  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.  First Tier  Securities  include  U.S.
government  securities and securities of other registered  investment  companies
that are money market funds. Other First Tier Securities are 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 in 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.  These  U.S.  government
securities  may  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.

                                       3

<PAGE>


        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 program,  the
principal  and interest  components  are  individually  numbered and  separately
issued by the U.S. Treasury.

        COMMERCIAL PAPER AND OTHER SHORT-TERM OBLIGATIONS. Money Market 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  other types of  non-convertible  debt
obligations  subject  to  maturity  constraints  imposed by the  Securities  and
Exchange  Commission  ("SEC").  Descriptions  of  certain  types  of  short-term
obligations are provided below.

        ASSET-BACKED  SECURITIES.  Money Market Fund and  Government  Securities
Fund may invest in securities  that are comprised of financial  assets that have
been  securitized  through the use of trusts or special purpose  corporations or
other  entities.  Such assets may include  motor  vehicle and other  installment
sales contracts, home equity loans, leases of various types of real and personal
property and receivables from revolving credit (credit card) agreements or other
types of financial  assets.  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 credit  enhancements may be present.  See
"The Funds'  Investments,  Related Risks and Limitations -- Credit and Liquidity
Enhancements."

        VARIABLE AND FLOATING  RATE  SECURITIES  AND DEMAND  INSTRUMENTS.  Money
Market Fund and Government  Securities  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,  Money  Market  Fund  may  purchase  variable  and  floating  rate
securities  of other  issuers.  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.  Certain of these  obligations
carry a demand  feature  that  gives a fund the right to  tender  them back to a
specified party, usually the issuer or a remarketing agent, prior to maturity. A
fund's  investments  in variable and floating rate  securities  must comply with
conditions  established  by the SEC under which they may be  considered  to have
remaining  maturities  of 13 months or less.  Money  Market  Fund will  purchase
variable and floating rate securities of non-U.S.  government  issuers that have
remaining  maturities of more than 13 months only if the  securities are subject
to a demand  feature  exercisable  within  13 months  or less.  See "The  Funds'
Investments,   Related   Risks  and   Limitations   --  Credit   and   Liquidity
Enhancements."

        Generally,  a fund may 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.  Money Market 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 the fund 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 (subject to any applicable  advance notice provisions) and may or may not
be rated.

        INVESTING IN FOREIGN SECURITIES. Money Market 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.

                                       4

<PAGE>


        CREDIT  AND  LIQUIDITY  ENHANCEMENTS.  Money  Market  Fund may invest in
securities  that have credit or liquidity  enhancements  or may  purchase  these
types  of  enhancements  in  the  secondary  market.  Such  enhancements  may be
structured  as demand  features  that permit the fund to sell the  instrument at
designated  times and prices.  These credit and  liquidity  enhancements  may be
backed by  letters  of credit or other  instruments  provided  by banks or other
financial  institutions  whose credit standing affects the credit quality of the
underlying  obligation.  Changes  in  the  credit  quality  of  these  financial
institutions  could  cause  losses to the fund and affect its share  price.  The
credit and liquidity  enhancements may have conditions that limit the ability of
the fund to use them when the fund wishes to do so.

        ILLIQUID  SECURITIES.  The term "illiquid  securities"  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. A fund may not be
able to readily liquidate its investments in illiquid securities and may have to
sell other  investments if necessary to raise cash to meet its obligations.  The
lack of a liquid  secondary  market  for  illiquid  securities  may make it more
difficult  for a fund to  assign a value to those  securities  for  purposes  of
valuing its portfolio and calculating its net asset value.

        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, a
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,  a fund might obtain a less  favorable  price than prevailed when it
decided to sell.

        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 under the Securities Act, 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 a fund,  however,  could  affect  adversely  the
marketability  of such  portfolio  securities,  and the fund  might be unable to
dispose of them 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,  which may include (1) the frequency of trades for the security,  (2)
the number of dealers that make quotes for the  security,  (3) 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)  and (4) the
existence  of  demand  features  or  similar  liquidity  enhancements.  Mitchell
Hutchins  monitors  the  liquidity  of  restricted  securities  in  each  fund's
portfolio and reports periodically on such decisions to the board.

        Mitchell Hutchins also monitors each fund's overall holdings of illiquid
securities. If a fund's holdings of illiquid securities exceed its limitation on
investments in illiquid securities for any reason (such as a particular security
becoming illiquid, changes in the relative market values of portfolio securities
or shareholder  redemptions),  Mitchell Hutchins will consider what action would
be in the best  interests  of the fund and its  shareholders.  Such  action  may
include  engaging in an orderly  disposition  of securities to reduce the fund's
holdings of illiquid  securities.  However, a fund is not required to dispose of
illiquid securities under these circumstances.

                                       5

<PAGE>

        REPURCHASE AGREEMENTS. Repurchase agreements are transactions in which a
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.
Securities  or other  obligations  subject  to  repurchase  agreements  may have
maturities in excess of 13 months.  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 in  transactions  with  counterparties
believed by Mitchell Hutchins to present minimum credit risks.

        REVERSE REPURCHASE AGREEMENTS. Reverse repurchase agreements involve the
sale of securities  held by a 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 or securities
dealers  or  their  affiliates.   While  a  reverse   repurchase   agreement  is
outstanding,  a 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 Funds'
Investments, Related Risks and Limitations -- Segregated Accounts."

        Reverse  repurchase  agreements  involve  the risk that the buyer of the
securities sold by a 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,  the buyer or trustee or receiver may
receive an extension of time to determine whether to enforce a 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.  A  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 at a stated price and yield. A fund generally would
not pay for such  securities  or start  earning  interest on them until they are
received.  However,  when a 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 a
fund on a  when-issued  or  delayed  delivery  basis may  result  in the  fund's
incurring a loss or missing an opportunity to make an alternative investment.

        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 Funds' Investments,  Related Risks
and  Limitations  --  Segregated  Accounts."  A fund's  when-issued  and delayed
delivery  purchase  commitments  could cause its net asset value per share to be
more volatile.

        INVESTMENTS  IN OTHER  INVESTMENT  COMPANIES.  Each  fund may  invest in
securities  of other  money  market  funds,  subject  to  limitations  under the
Investment Company Act. Among other things, these limitations currently restrict
a fund's aggregate investments in other investment companies to no more than 10%
of its total assets. A fund's investments in certain private investment vehicles
are not subject to this restriction.  The shares of other money market funds are

                                       6
<PAGE>

subject to the management  fees and other  expenses of those funds.  At the same
time, a fund would  continue to pay its own  management  fees and expenses  with
respect to all its investments,  including shares of other money market funds. A
fund may invest in the  securities  of other money  market  funds when  Mitchell
Hutchins  believes  that (1) the  amounts  to be  invested  are too small or are
available too late in the day to be  effectively  invested in other money market
instruments,  (2) shares of other money market funds  otherwise  would provide a
better return than direct  investment in other money market  instruments  or (3)
such investments would enhance the fund's liquidity.

        LENDING OF PORTFOLIO  SECURITIES.  Each fund is  authorized  to lend its
portfolio securities to broker-dealers or institutional  investors that Mitchell
Hutchins deems qualified.  Lending  securities enables a fund to earn additional
income, but could result in a loss or delay in recovering these securities.  The
borrower of a 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.  Each fund may reinvest any cash  collateral in money market
investments or other short-term liquid  investments,  including other investment
companies.  A fund also may  reinvest  cash  collateral  in  private  investment
vehicles  similar to money  market  funds,  including  one  managed by  Mitchell
Hutchins.   In   determining   whether  to  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.  Each fund will
retain  authority to terminate  any of its loans at any time.  Each fund may pay
reasonable  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.  Each fund will receive amounts  equivalent to any interest,
dividends or other distributions on the securities loaned. Each 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  each  fund's
securities  lending  program,  PaineWebber has been retained to serve as lending
agent  for  each  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 funds'  securities
lending program.

        SEGREGATED  ACCOUNTS.  When a 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 and 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 its obligation or commitment under such transactions.

INVESTMENT LIMITATIONS OF THE FUNDS
-----------------------------------

        FUNDAMENTAL LIMITATIONS.  The following investment limitations cannot be
changed with respect to a 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 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,  a later
increase or decrease in percentage  resulting from changing  values of portfolio
securities  or amount of total assets will not be  considered a violation of any
of the  following  limitations.  With  regard to the  borrowings  limitation  in
fundamental   limitation   (3),  the  fund  will  comply  with  the   applicable
restrictions of Section 18 of the Investment Company Act.

        Each fund will not:

        (1)  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.

                                       7
<PAGE>


        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.

        (2)  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.

        (3)  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.

        (4)  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.

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

        (5)  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.

        (6)  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.

        (7) 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.

        NON-FUNDAMENTAL  LIMITATIONS.  The following investment restrictions are
non-fundamental  and may be changed by the vote of the board without shareholder
approval. If a percentage restriction is adhered to at the time of an investment
or  transaction,  a later  increase  or decrease in  percentage  resulting  from
changing  values of portfolio  securities  or amount of total assets will not be
considered a violation of any of the following limitations.

        Each fund will not:

        (1)  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.

                                       8

<PAGE>


        (2)  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.

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

        (4)  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.



               ORGANIZATION OF THE TRUST; TRUSTEES AND OFFICERS;
            PRINCIPAL HOLDERS AND MANAGEMENT OWNERSHIP OF SECURITIES

        The Trust was formed on February 14, 1991 as a business  trust under the
laws of the Commonwealth of Massachusetts  and has three operating  series.  The
Trust has  authority  to issue an  unlimited  number  of  shares  of  beneficial
interest,  par value $.001 per share,  of each  existing or future  series.  The
Trust is governed by a board of trustees,  which oversees the funds' operations.
The board also is authorized to establish  additional  series.  The trustees and
executive  officers of the Trust,  their ages,  business addresses and principal
occupations during the past five years are:

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

Margo N. Alexander*+; 53    Trustee 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  30   investment
                                                    companies for which Mitchell
                                                    Hutchins, PaineWebber or one
                                                    of their  affiliates  serves
                                                    as investment adviser.

Richard Q. Armstrong; 65               Trustee      Mr. Armstrong  is   chairman
R.Q.A. Enterprises                                  and  principal   of   R.Q.A.
One Old Church Road                                 Enterprises      (management
Unit #6                                             consulting  firm)     (since
Greenwich, CT 06830                                 April  1991  and   principal
                                                    occupation    since    March
                                                    1995).   Mr.  Armstrong  was
                                                    chairman of the board, chief
                                                    executive     officer    and
                                                    co-owner    of    Adirondack
                                                    Beverages    (producer   and
                                                    distributor  of soft  drinks
                                                    and sparkling/still  waters)
                                                    (October  1993-March  1995).
                                                    He was a partner  of The New
                                                    England   Consulting   Group
                                                    (management consulting firm)
                                                    (December  1992  - September
                                                    1993).   He   was   managing
                                                    director    of   LVMH   U.S.
                                                    Corporation (U.S. subsidiary
                                                    of the French  luxury  goods
                                                    conglomerate,  Louis Vuitton
                                                    Moet Hennessey  Corporation)
                                                    (1987-1991)  and chairman of
                                                    its   wine    and    spirits
                                                    subsidiary,   Schieffelin  &
                                                    Somerset  Company     (1987-
                                                    1991).  Mr.  Armstrong  is a
                                                    director  or  trustee  of 29
                                                    investment   companies   for
                                                    which   Mitchell   Hutchins,
                                                    PaineWebber  or one of their
                                                    affiliates     serves     as
                                                    investment    adviser.


                                       9

<PAGE>

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

E. Garrett Bewkes, Jr.**+;     Trustee and          Mr. Bewkes  is a director of
  73                         Chairman of the        Paine Webber Group Inc. ("PW
                            Board of Trustees       Group")  (holding company of
                                                    PaineWebber   and   Mitchell
                                                    Hutchins). Prior to 1996, he
                                                    was  a   consultant   to  PW
                                                    Group.   He   serves   as  a
                                                    consultant  to   PaineWebber
                                                    (since May  1999).  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 40
                                                    investment   companies   for
                                                    which   Mitchell   Hutchins,
                                                    PaineWebber  or one of their
                                                    affiliates     serves     as
                                                    investment adviser.

Richard R. Burt; 53            Trustee              Mr. Burt is chairman of  IEP
1275 Pennsylvania Ave, N.W.                         Advisors, LLP (international
Washington, D.C.  20004                             investments  and  consulting
                                                    firm) (since March 1994) and
                                                    a  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.  (gold mining),
                                                    six investment  companies in
                                                    the Deutsche  Bank family of
                                                    funds,    nine    investment
                                                    companies    in   the   Flag
                                                    Investors  family  of funds;
                                                    The Central  European  Fund,
                                                    Inc.  and The Germany  Fund,
                                                    Inc.,   vice   chairman   of
                                                    Anchor   Gaming    (provides
                                                    technology   to  gaming  and
                                                    wagering   industry)  (since
                                                    July 1999) and  chairman  of
                                                    Weirton  Steel Corp.  (makes
                                                    and finishes steel products)
                                                    (since April  1996).  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 29
                                                    investment   companies   for
                                                    which   Mitchell   Hutchins,
                                                    PaineWebber  or one of their
                                                    affiliates     serves     as
                                                    investment adviser.

Mary C. Farrell**+; 50           Trustee            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 28
                                                    investment   companies   for
                                                    which   Mitchell   Hutchins,
                                                    PaineWebber  or one of their
                                                    affiliates     serves     as
                                                    investment  adviser.

                                       10

<PAGE>


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

Meyer Feldberg; 58              Trustee             Mr. Feldberg   is  Dean  and
Columbia University                                 Professor   of    Management
101 Uris Hall                                       of  the   Graduate    School
New York, NY  10027                                 of Business,        Columbia
                                                    University.  Prior  to 1989,
                                                    he  was   president  of  the
                                                    Illinois     Institute    of
                                                    Technology. Dean Feldberg is
                                                    also a director of Primedia,
                                                    Inc. (publishing), Federated
                                                    Department   Stores,    Inc.
                                                    (operator   of    department
                                                    stores)  and  Revlon,   Inc.
                                                    (cosmetics).  Dean  Feldberg
                                                    is a director  or trustee of
                                                    37 investment  companies for
                                                    which   Mitchell   Hutchins,
                                                    PaineWebber  or one of their
                                                    affiliates     serves     as
                                                    investment adviser.

George W. Gowen; 70             Trustee             Mr. Gowen  is a  partner  in
666 Third Avenue                                    the law  firm of Dunnington,
New York, NY 10017                                  Bartholow & Miller.    Prior
                                                    to  May   1994,   he  was  a
                                                    partner  in the law  firm of
                                                    Fryer,  Ross  &  Gowen.  Mr.
                                                    Gowen  is  a   director   or
                                                    trustee  of  37   investment
                                                    companies for which Mitchell
                                                    Hutchins, PaineWebber or one
                                                    of their  affiliates  serves
                                                    as investment adviser.


Frederic V. Malek; 63           Trustee             Mr.  Malek  is  chairman  of
1455 Pennsylvania Ave, N.W.                         of  Thayer Capital  Partners
Suite 350                                           (merchant bank) and Chairman
Washington,  D.C.  20004                            of Thayer Hotel Investors II
                                                    and  Lodging   Opportunities
                                                    Fund    (hotel    investment
                                                    partnerships).  From January
                                                    1992 to  November  1992,  he
                                                    was   campaign   manager  of
                                                    Bush-Quayle  '92.  From 1990
                                                    to   1992,   he   was   vice
                                                    chairman  and,  from 1989 to
                                                    1990,  he was  president  of
                                                    Northwest  Airlines Inc. and
                                                    NWA Inc. (holding company of
                                                    Northwest   Airlines  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      Aegis
                                                    Communications,         Inc.
                                                    (tele-services),    American
                                                    Management   Systems,   Inc.
                                                    (management  consulting  and
                                                    computer related  services),
                                                    Automatic  Data  Processing,
                                                    Inc.  (computing  services),
                                                    CB Richard Ellis, Inc. (real
                                                    estate services), FPL Group,
                                                    Inc.  (electric   services),
                                                    Global     Vacation    Group
                                                    (packaged        vacations),
                                                    HCR/Manor Care, Inc. (health
                                                    care),  SAGA  Systems,  Inc.
                                                    (software    company)    and
                                                    Northwest  Airlines Inc. Mr.
                                                    Malek  is  a   director   or
                                                    trustee  of  29   investment
                                                    companies for which Mitchell
                                                    Hutchins, PaineWebber or one
                                                    of their  affiliates  serves
                                                    as investment adviser.

                                       11

<PAGE>

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

Carl W. Schafer; 64             Trustee             Mr. Schafer is  president of
66 Witherspoon Street, #1100                        the   Atlantic    Foundation
Princeton, NJ  08542                                (charitable       foundation
                                                    supporting            mainly
                                                    oceanographic    exploration
                                                    and   research).   He  is  a
                                                    director  of  Labor   Ready,
                                                    Inc. (temporary employment),
                                                    Roadway    Express,     Inc.
                                                    (trucking),   The   Guardian
                                                    Group of Mutual  Funds,  the
                                                    Harding,    Loevner   Funds,
                                                    E.I.I.      Realty     Trust
                                                    (investment company),  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  29   investment
                                                    companies for which Mitchell
                                                    Hutchins, PaineWebber or one
                                                    of their  affiliates  serves
                                                    as investment adviser.

Brian M. Storms*+; 45           Trustee             Mr. Storms is president  and
                                                    chief  operating  officer of
                                                    Mitchell   Hutchins   (since
                                                    March 1999).  Mr. Storms was
                                                    president   of    Prudential
                                                    Investments     (1996-1999).
                                                    Prior to joining Prudential,
                                                    he was a  managing  director
                                                    at Fidelity Investments. Mr.
                                                    Storms  is  a  director   or
                                                    trustee  of  29   investment
                                                    companies for which Mitchell
                                                    Hutchins, PaineWebber or one
                                                    of their  affiliates  serves
                                                    as    investment    adviser.

Thomas  Disbrow***; 34       Vice President and     Mr. Disbrow is a first  vice
                            Assistant  Treasurer    president  and   a    senior
                                                    manager of the  mutual  fund
                                                    finance     department    of
                                                    Mitchell Hutchins.  Prior to
                                                    November 1999, he was a vice
                                                    president  of   Zweig/Glaser
                                                    Advisers.  Mr.  Disbrow is a
                                                    vice president and assistant
                                                    treasurer  of 30  investment
                                                    companies for which Mitchell
                                                    Hutchins, PaineWebber or one
                                                    of their  affiliates  serves
                                                    as investment adviser.

John J. Lee***; 32           Vice President and     Mr.    Lee    is    a   vice
                             Assistant Treasurer    president  and  a manager of
                                                    the  mutual   fund   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 30  investment
                                                    companies for which Mitchell
                                                    Hutchins, PaineWebber or one
                                                    of their  affiliates  serves
                                                    as investment adviser.

                                       12

<PAGE>


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

Kevin J. Mahoney***;         Vice President and     Mr. Mahoney is a first  vice
  34                         Assistant Treasurer    president   and   a   senior
                                                    manager of the  mutual  fund
                                                    finance     department    of
                                                    Mitchell   Hutchins.    From
                                                    August  1996  through  March
                                                    1999,  he was the manager of
                                                    the  mutual  fund   internal
                                                    control   group  of  Salomon
                                                    Smith   Barney.   Prior   to
                                                    August   1996,   he  was  an
                                                    associate    and   assistant
                                                    treasurer    of    BlackRock
                                                    Financial   Management  L.P.
                                                    Mr.   Mahoney   is  a   vice
                                                    president    and   assistant
                                                    treasurer  of 30  investment
                                                    companies for which Mitchell
                                                    Hutchins, PaineWebber or one
                                                    of their  affiliates  serves
                                                    as    investment    adviser.

Dennis  McCauley*; 53        Vice President         Mr.  McCauley is a  managing
                                                    director      and      chief
                                                    investment     officer-fixed
                                                    income of Mitchell Hutchins.
                                                    Mr.   McCauley   is  a  vice
                                                    president  of 20  investment
                                                    companies for which Mitchell
                                                    Hutchins, PaineWebber or one
                                                    of their  affiliates  serves
                                                    as investment adviser.

Ann E. Moran***; 43         Vice President and      Ms. Moran    is     a   vice
                           Assistant  Treasurer     president and  a  manager of
                                                    of the mutual  fund  finance
                                                    department    of    Mitchell
                                                    Hutchins.  Ms.  Moran  is  a
                                                    vice president and assistant
                                                    treasurer  of 30  investment
                                                    companies for which Mitchell
                                                    Hutchins, PaineWebber or one
                                                    of their  affiliates  serves
                                                    as    investment    adviser.

Dianne E. O'Donnell**; 48  Vice President and       Ms. O'Donnell  is  a  senior
                              Secretary             vice  president  and  deputy
                                                    general  counsel of Mitchell
                                                    Hutchins. Ms. O'Donnell is a
                                                    vice president and secretary
                                                    of 30  investment  companies
                                                    for which Mitchell Hutchins,
                                                    PaineWebber  or one of their
                                                    affiliates     serves     as
                                                    investment adviser.

Susan P. Ryan*; 40         Vice President           Ms. Ryan is  a  senior  vice
                                                    president  and  a  portfolio
                                                    manager     of      Mitchell
                                                    Hutchins. Ms. Ryan is a vice
                                                    president of six  investment
                                                    companies for which Mitchell
                                                    Hutchins, PaineWebber or one
                                                    of their  affiliates  serves
                                                    as investment adviser.

Paul H. Schubert***; 37  Vice President and         Mr.  Schubert  is  a  senior
                            Treasurer               vice   president   and   the
                                                    director  of the mutual fund
                                                    finance     department    of
                                                    Mitchell    Hutchins.    Mr.
                                                    Schubert is a vice president
                                                    and    treasurer    of    30
                                                    investment   companies   for
                                                    which   Mitchell   Hutchins,
                                                    PaineWebber  or one of their
                                                    affiliates     serves     as
                                                    investment adviser.

Barney A. Taglialatela***;  Vice President          Mr. Taglialatela is  a  vice
    39                   Assistant Treasurer        president and a  manager  of
                                                    the  mutual   fund   finance
                                                    department    of    Mitchell
                                                    Hutchins.  Mr.  Taglialatela
                                                    is  a  vice   president  and
                                                    assistant  treasurer  of  30
                                                    investment   companies   for
                                                    which   Mitchell   Hutchins,
                                                    PaineWebber  or one of their
                                                    affiliates     serves     as
                                                    investment adviser.

                                       13

<PAGE>


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

Keith A. Weller**; 39       Vice President and      Mr.  Weller is  a first vice
                           Assistant Secretary      president   and    associate
                                                    general  counsel of Mitchell
                                                    Hutchins.  Mr.  Weller  is a
                                                    vice president and assistant
                                                    secretary  of 29  investment
                                                    companies for which Mitchell
                                                    Hutchins, PaineWebber or one
                                                    of their  affiliates  serves
                                                    as    investment    adviser.

-------------
*  This person's business address is 51 West 52nd Street, New York, New York
   10019-6114.

** This person's business address is 1285 Avenue of the Americas,  New York, New
   York 10019-6028.

***This person's  business address is Newport Center III, 499 Washington  Blvd.,
   14th Floor, Jersey City, New Jersey 07310-1998.

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

        The Trust pays  trustees who are not  "interested  persons" of the Trust
$1,000  annually  for each series and up to $150 per series for  attending  each
board  meeting  and  each  separate  meeting  of a board  committee.  The  Trust
presently has three series and thus pays each such trustee $3,000 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 trustees are reimbursed for any expenses  incurred
in  attending  meetings.  Because  PaineWebber  and  Mitchell  Hutchins  perform
substantially  all the services  necessary for the  operation of the Trust,  the
Trust  requires  no  employees.  No  officer,  director  or employee of Mitchell
Hutchins or PaineWebber  presently  receives any compensation from the Trust for
acting as a trustee or officer.

        The  table  below   includes   certain   information   relating  to  the
compensation  of the  current  trustees  who held  office with the Trust or with
other PaineWebber funds during the periods indicated.


                               COMPENSATION TABLE+


                                           AGGREGATE        TOTAL COMPENSATION
                                          COMPENSATION    FROM THE TRUST AND THE
            NAME OF PERSON, POSITION     FROM THE TRUST*       FUND COMPLEX**
            ------------------------     ---------------  ----------------------

         Richard Q. Armstrong,
         Trustee....... .............     $   5,340               $ 104,650

         Richard R. Burt,
         Trustee.....................         5,340                 102,850

         Meyer Feldberg,
         Trustee.....................         5,340                 143,650

         George W. Gowen,
         Trustee.....................         6,495                 138,400

         Frederic V. Malek,
         Trustee.....................         5,340                 104,650

         Carl W. Schafer,
         Trustee.....................         5,250                 104,650


                                       14

<PAGE>

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

* Represents fees paid to each trustee for the fiscal year ended April 30, 2000.

** Represents  total  compensation  paid during the calendar year ended December
   31, 1999, to each board member by 31 investment  companies (34 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 AND MANAGEMENT OWNERSHIP OF SECURITIES. As of July 31,
2000,  trustees  and  officers  owned  in  the  aggregate  less  than  1% of the
outstanding shares of any class of each fund.

        As  of  July  31,  2000,  the  Trust's   records  showed  the  following
shareholders as owning 5% or more of a class of the funds' shares:

                                                          PERCENTAGE OF SHARES
                                                        BENEFICIALLY OWNED AS OF
        NAME AND ADDRESS*                                     JULY 31, 2000
        ----------------                                      -------------

        MONEY MARKET FUND
        -----------------

        The John P. McGovern Foundation                                   8.19%
                                                           Institutional Shares
        McGovern Family Living Trust                                      7.16%
                                                           Institutional Shares
        Parbanc Co.                                                        100%
                                                         Financial Intermediary
                                                                         Shares

        GOVERNMENT SECURITIES FUND
        --------------------------

        Kacrochem Corp.                                                  10.46%
                                                           Institutional Shares
        Town of Hopedale                                                  7.45%
                                                           Institutional Shares
        Peter O' Halley                                                   5.12%
                                                           Institutional Shares
        Arkansas State Treasury                                           5.02%
                                                           Institutional Shares

        TREASURY SECURITIES FUND
        ------------------------

        James R. Singer                                                  47.54%
                                                           Institutional Shares


        -----------------
        * Each shareholder  listed above may be contacted c/o Mitchell  Hutchins
Asset Management Inc., 51 West 52nd Street, New York, NY 10019-6114.

                                       15

<PAGE>


                     INVESTMENT ADVISORY, ADMINISTRATION AND
                            DISTRIBUTION ARRANGEMENTS

        INVESTMENT ADVISORY AND ADMINISTRATION ARRANGEMENTS. PaineWebber acts as
investment  adviser and  administrator  of each fund pursuant to a contract with
the Trust ("Advisory  Contract").  Under the Advisory  Contract,  each fund pays
PaineWebber an annual fee, computed daily and paid monthly, at an annual rate of
0.25% of its average daily net assets.

        During each of the  periods  indicated,  the funds paid (or  accrued) to
PaineWebber  the  following  fees  under the  Advisory  Contract.  During  these
periods, PaineWebber voluntarily waived a portion of its fees and/or voluntarily
paid other fund expenses, as set forth below.

                                               FISCAL YEARS ENDED APRIL 30,
                                      ------------------------------------------
                                               2000           1999          1998
                                      --------------  ------------   -----------
       Money Market Fund...........     $ 4,515,497     $4,684,985    $3,572,192
          Fee Amount Waived                  33,799        936,943       716,790
          Expenses Reimbursed               342,949            973         2,739
       Government Securities Fund..         367,653        285,771       215,911
          Fee Amount Waived                   2,299         56,592        43,177
          Expenses Reimbursed                56,754              0       210,691
       Treasury Securities Fund....         335,066        458,169       259,380
          Fee Amount Waived                   2,950         90,943        51,876
          Expenses Reimbursed                75,364              0       128,386


        Under  a  contract  with  PaineWebber  ("Mitchell  Hutchins  Contract"),
Mitchell  Hutchins  serves as sub-adviser and  sub-administrator  for each fund.
Under the Mitchell Hutchins Contract,  PaineWebber (not the Trust) pays Mitchell
Hutchins a fee, computed daily and paid monthly, at an annual rate of 50% of the
fees  paid by each  fund to  PaineWebber  under the  Advisory  Contract,  net of
waivers and/or reimbursements.

        During each of the periods  indicated,  PaineWebber paid (or accrued) to
Mitchell Hutchins the fees indicated below under the Mitchell Hutchins Contract:

                                              FISCAL YEARS ENDED APRIL 30,
                                        ----------------------------------------
                                               2000           1999          1998
                                        -----------     ----------    ----------
       Money Market Fund...........     $ 2,069,375     $1,873,688    $1,503,380
       Government Securities Fund..         154,300        114,287             0
       Treasury Securities Fund....         128,376        183,070        39,694

        Under the terms of the Advisory  Contract,  each fund bears all expenses
incurred in its  operation  that are not  specifically  assumed by  PaineWebber.
General  expenses  of the Trust  not  readily  identifiable  as  belonging  to a
specific fund or to the Trust's  other series are  allocated  among series by or
under the  direction  of the board of trustees in such manner as the board deems
fair and  equitable.  Expenses borne by the Trust include the following (or each
fund's share of the following):  (1) the cost (including  brokerage  commissions
and other transaction costs, if any) 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  PaineWebber;  (3)  organizational
expenses;  (4)  filing  fees  and  expenses  relating  to the  registration  and
qualification  of fund  shares  under  federal  and  state  securities  laws and
maintaining such registrations and qualifications; (5) fees and salaries payable
to the  trustees  and  officers  who are not  interested  persons of the fund or
PaineWebber;  (6)  all  expenses  incurred  in  connection  with  the  trustees'

                                       16

<PAGE>

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 Trust or a fund for violation of any law; (10)
legal, accounting and auditing expenses, including legal fees of special counsel
for those trustees who are not interested  persons of the Trust; (11) charges of
custodians,  transfer agents and other agents;  (12) expenses of setting in type
and  printing   prospectuses  and  statements  of  additional   information  and
supplements  thereto,  reports and statements to shareholders and proxy material
for  existing  shareholders;  (13) costs of mailing  such  materials to existing
shareholders;  (14) any extraordinary expenses (including fees and disbursements
of counsel, costs of actions, suits or proceedings to which the Trust is a party
and the  expenses  the Trust may  incur as a result of its legal  obligation  to
provide  indemnification  to its officers,  trustees,  agents and  shareholders)
incurred by a 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 the  trustees and  officers;  and (18) costs of
mailing, stationery and communications equipment.

        The Advisory and Mitchell Hutchins Contracts (collectively, "Contracts")
noted above provide that PaineWebber or Mitchell  Hutchins,  as the case may be,
shall not be liable for any error of  judgment or mistake of law or for any loss
suffered  by the funds in  connection  with the  performance  of the  Contracts,
except a loss resulting from willful misfeasance,  bad faith or gross negligence
on the part of PaineWebber or Mitchell Hutchins in the performance of its duties
or from reckless disregard of its duties and obligations thereunder.

        The  Contracts  are  terminable  by vote of the  funds'  board or by the
holders of a majority of the outstanding  voting  securities of the funds at any
time without  penalty,  on 60 days' written  notice to  PaineWebber  or Mitchell
Hutchins,  as the case may be. The Advisory Contract is also terminable  without
penalty by PaineWebber on 60 days' written notice to the Trust, and the Mitchell
Hutchins  Contract is  terminable  without  penalty by  PaineWebber  or Mitchell
Hutchins on 60 days' written notice to the other party. The Contracts  terminate
automatically  upon their  assignment,  and the Mitchell  Hutchins Contract also
automatically terminates upon the assignment of the Advisory Contract.

        SECURITIES LENDING.  During the fiscal years ended April 30, 2000, April
30, 1999 and April 30, 1998,  the funds paid (or accrued) no fees to PaineWebber
for its services as securities lending agent because the funds did not engage in
any securities lending activities.

        NET ASSETS.  The following  table shows the approximate net assets as of
July 31, 2000,  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)......................     $9,156.5
            Global................................................      4,703.4
            Equity/Balanced.......................................      9,585.7
            Fixed Income(excluding Money Market)..................      4,274.2
                Taxable Fixed Income..............................      2,859.4
                Tax-Free Fixed Income.............................      1,414.8
            Money Market Funds....................................     39,450.0


        DISTRIBUTION  ARRANGEMENTS.  PaineWebber acts as the distributor of each
fund's  shares  under a  distribution  contract  with the  Trust  ("Distribution
Contract"),  which requires PaineWebber to use its best efforts, consistent with
its other business, to sell shares of the funds. Shares of the funds are offered
continuously.  PaineWebber is located at 1285 Avenue of the Americas,  New York,
New York 10019-6028.

        FINANCIAL INTERMEDIARIES.  Financial  intermediaries,  such as banks and
savings  associations,  may  purchase  Financial  Intermediary  shares  for  the
accounts of their customers.  The Trust has adopted a shareholder  services plan

                                       17

<PAGE>

("Plan") with respect to Financial  Intermediary shares.  PaineWebber implements
the Plan on behalf of the Trust by entering into a service  agreement  with each
financial intermediary that purchases Financial Intermediary shares requiring it
to provide  support  services to its customers who are the beneficial  owners of
Financial Intermediary shares.

        Under the Plan,  each fund pays  PaineWebber a monthly fee at the annual
rate of 0.25% of the average daily net asset value of the Financial Intermediary
shares held by financial intermediaries on behalf of their customers. Under each
service   agreement,   PaineWebber  pays  an  identical  fee  to  the  financial
intermediary  for providing the support  services to its customers  specified in
the  service  agreement.   These  services  may  include:  (i)  aggregating  and
processing  purchase and  redemption  requests  from  customers  and placing net
purchase and redemption orders with PaineWebber; (ii) providing customers with a
service  that  invests the assets of their  accounts in  Financial  Intermediary
shares;  (iii)  processing  dividend  payments  from  the  Trust  on  behalf  of
customers;  (iv) providing  information  periodically to customers showing their
positions in Financial  Intermediary  shares; (v) arranging for bank wires; (vi)
responding  to customer  inquiries  relating to the  services  performed  by the
financial intermediary; (vii) providing sub-accounting with respect to Financial
Intermediary shares beneficially owned by customers or the information necessary
for sub-accounting;  (viii) forwarding shareholder communications from the Trust
(such  as  proxies,  shareholder  reports  and  dividend,  distribution  and tax
notices) to customers,  if required by law; and (ix) such other similar services
as a fund may  reasonably  request from time to time to the extent the financial
intermediary is permitted to do so under federal and state  statutes,  rules and
regulations.  During  the  fiscal  year  ended  April 30,  2000,  the Trust made
payments  through  PaineWebber  to  financial  intermediaries  with  respect  to
Financial Intermediary shares in the amount of $66,100 for Money Market Fund, $0
for Government Securities Fund and $0 for Treasury Securities Fund.

        Under the terms of the service agreements,  financial intermediaries are
required to provide to their  customers a schedule of any  additional  fees that
they may charge  customers in  connection  with their  investments  in Financial
Intermediary  shares.  Financial  Intermediary shares are available for purchase
only by financial  intermediaries that have entered into service agreements with
PaineWebber  in  connection  with  their  investment.  Financial  intermediaries
providing  services to  beneficial  owners of Financial  Intermediary  shares in
certain  states may be required to be  registered  as dealers  under the laws of
those states.

        The  Plan  requires  that  PaineWebber  provide  to the  board  at least
annually a written report of the amounts  expended by PaineWebber  under service
agreements  with  financial  intermediaries  and the  purposes  for  which  such
expenditures   were  made.  Each  service   agreement   requires  the  financial
intermediary to cooperate with PaineWebber in providing information to the board
with  respect  to amounts  expended  and  services  provided  under the  service
agreement.  The Plan may be terminated at any time, without penalty,  by vote of
the  trustees  of the Trust  who are not  "interested  persons"  of the Trust as
defined  in the  Investment  Company  Act and who  have no  direct  or  indirect
financial interest in the operation of the Plan ("Disinterested  Trustees"). Any
amendment to the Plan must be approved by the board and any  material  amendment
must be approved by the Disinterested Trustees.

        Should future legislative, judicial or administrative action prohibit or
restrict  the  activities  of  banks  serving  as  financial  intermediaries  in
connection with the provision of support services to their customers,  the Trust
and  PaineWebber  might be required to alter or discontinue  their  arrangements
with financial intermediaries and change their method of operations with respect
to Financial  Intermediary  shares.  It is not  anticipated,  however,  that any
change in the Trust's method of operations would affect its net asset values per
share or result in a financial loss to any shareholder.

        Conflict of interest restrictions may apply to a financial institution's
receipt  of  compensation  from a  fund  through  PaineWebber  under  a  service
agreement   resulting   from   fiduciary   funds  being  invested  in  Financial
Intermediary shares. Before investing fiduciary funds in Financial  Intermediary
shares, financial intermediaries,  including investment advisers and other money
managers  under the  jurisdiction  of the SEC, the  Department of Labor or state
securities  commissions  and banks  regulated by the Comptroller of the Currency
should consult their legal advisors.

                                       18

<PAGE>

                             PORTFOLIO TRANSACTIONS

        The funds purchase 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.

        For purchases or sales with  broker-dealer  firms that act as principal,
Mitchell  Hutchins seeks best execution.  Although Mitchell Hutchins may receive
certain research or execution services in connection with these transactions, it
will not purchase  securities  at a higher price or sell  securities  at a lower
price than would  otherwise be paid if no weight was  attributed to the services
provided  by the  executing  dealer.  Mitchell  Hutchins  may  engage  in agency
transactions in over-the-counter securities in return for research and execution
services.  These  transactions are entered into only pursuant to procedures that
are designed to ensure 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.

        Research  services and information  received from brokers or dealers are
supplemental to Mitchell Hutchins' own research efforts and, when utilized,  are
subject to internal  analysis before being  incorporated  into their  investment
processes.  Information  and research  services  furnished by brokers or dealers
through which or with which the funds effect securities transactions may be used
by  Mitchell  Hutchins in advising  other  funds or  accounts  and,  conversely,
research  services  furnished  to  Mitchell  Hutchins  by  brokers or dealers in
connection  with other funds or accounts that either of them advises may be used
in advising the funds.

        During the fiscal years ended April 30,  2000,  April 30, 1999 and April
30, 1998 the funds paid no brokerage commissions.  Therefore, the funds have not
allocated any brokerage transactions for research,  analysis, advice and similar
services.

        Investment  decisions  for the funds 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  funds  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 funds and such
other account(s) as to amount in a manner deemed equitable to the funds 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 funds are  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 funds.

        As of April 30, 2000, Money Market Fund owned  securities  issued by the
following companies which are regular broker-dealers for the fund:

         ISSUER                          TYPE OF SECURITY                VALUE
         ------                          ----------------                -----

Bear Stearns Companies Incorporated      commercial paper            $49,931,905
Goldman Sachs Group L.P.                 commercial paper             24,957,917
Merrill Lynch & Company, Incorporated    short-term
                                           corporate obligation       24,998,011
Morgan Stanley, Dean Witter & Company    commercial paper             80,000,000


                                       19

<PAGE>

                  ADDITIONAL INFORMATION REGARDING REDEMPTIONS

        Each 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 each fund's portfolio at the time; although the
funds attempt to maintain a constant net asset value of $1.00 per share.

        If  conditions  exist  that make cash  payments  undesirable,  each 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.  If
payment is made in securities,  the shareholder may incur brokerage  expenses in
converting  these  securities into cash. The Trust is obligated to redeem shares
solely in cash up to the lesser of  $250,000  or 1% of the net asset  value of a
fund during any 90-day period for a shareholder.


                               VALUATION OF SHARES

        Money Market Fund's and  Government  Securities  Fund's net asset values
per share are determined by State Street Bank and Trust Company ("State Street")
as of noon,  Eastern time, 2:30 p.m.,  Eastern time and 4:30 p.m., Eastern time,
on each Business Day.  Treasury  Securities  Fund's net asset value per share is
determined by State Street as of noon, Eastern time and 2:30 p.m., Eastern time,
on each Business Day. As defined in the Prospectus, "Business Day" means any day
on which the  Massachusetts  offices of State  Street  and the  funds'  transfer
agent,  PFPC Inc.  ("PFPC") and the New York City offices of PaineWebber are all
open for  business.  One or more of these  institutions  will be  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,
Columbus Day, Veterans' Day, Thanksgiving Day and Christmas Day.

        Each  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 funds
must adhere to certain  conditions  under the Rule relating to its  investments,
some of which are discussed in this SAI.  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
funds 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 each 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.  Each 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 funds 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

                                       20

<PAGE>

price different from the price that would have been determined had the matrix or
formula method not been used. Other assets,  if any, are valued at fair value as
determined in good faith by or under the direction of the board.

                             PERFORMANCE INFORMATION

        The funds'  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 each  fund's  Performance  Advertisements  are
calculated according to the following formula:

         P(1 + T)n = 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
period. All dividends are assumed to have been reinvested at net asset value.

        The funds may also advertise other  performance  data, which may consist
of the annual or cumulative  return  (including net short-term  capital gain, if
any) earned on a hypothetical  investment in each fund since it began operations
or for shorter periods.  This return data may or may not assume  reinvestment of
dividends (compounding).

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

                                MONEY MARKET FUND

                                                                    FINANCIAL
                                                 INSTITUTIONAL     INTERMEDIARY
                                                    SHARES            SHARES
      (INCEPTION DATE)                            (06/03/91)       (01/14/98)*
      ----------------                            ----------       ----------

      Year ended April 30, 2000:
              Standardized Return............        5.40%             5.14%
      Five Years ended April 30, 2000:
              Standardized Return............        5.42%               N/A
      Inception* to April 30, 2000:
              Standardized Return............        4.79%             5.08%

---------------
*       Date for most recent issuance of shares.  Financial  Intermediary shares
        were  originally  issued on March 17, 1994,  but  subsequently  redeemed
        before being reissued in 1998.

                                       21

<PAGE>

                           GOVERNMENT SECURITIES FUND


                                      INSTITUTIONAL
                                          SHARES
      (INCEPTION DATE)                  (06/03/91)
      ----------------                -------------
      Year ended April 30, 2000:
         Standardized Return.........      5.22%
      Five Years ended April 30, 2000:
         Standardized Return.........      5.24%
      Inception to April 30, 2000:
         Standardized Return.........      4.61%



                            TREASURY SECURITIES FUND

                                      INSTITUTIONAL
                                          SHARES
      (INCEPTION DATE)                  (12/06/91)
      ----------------                -------------
      Year ended April 30, 2000:
         Standardized Return.........      4.97%
      Five Years ended April 30, 2000:
         Standardized Return.........      4.98%
      Inception to April 30, 2000:
         Standardized Return.........      4.40%



        CALCULATION OF YIELD. Each fund computes its 7-day current yield and its
7-day effective yield quotations using standardized methods required by the SEC.
A 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 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:

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

        Yield may fluctuate  daily and does not provide a basis for  determining
future yields. Because the yield of each 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.

        The  following  table  shows  the  yield  and  effective  yield  for the
outstanding shares of each fund for the 7-day period ended April 30, 2000:

                                       22

<PAGE>


                                                 YIELD    EFFECTIVE YIELD
                                                 -----    ---------------
Money Market Fund
   Institutional shares                          5.92%              6.10%
   Financial Intermediary shares                 5.67%              5.83%
Government Securities Fund
   Institutional shares                          5.74%              5.90%
   Financial Intermediary shares                   N/A                N/A
Treasury Securities Fund
   Institutional shares                          5.30%              5.44%
   Financial Intermediary shares                   N/A                N/A


        The funds may also  advertise  non-standardized  yields  calculated in a
manner  similar to that described  above,  but for different time periods (e.g.,
one-day yield, 30-day yield).

        OTHER INFORMATION. The funds' 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  each  fund  will   fluctuate.   In   Performance
Advertisements, the funds may compare their yields 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 Smith Barney World Government Bond Index and changes in
the Consumer  Price Index as published by the U.S.  Department of Commerce.  The
funds 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  funds 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 funds may also compare their  performance  with the  performance  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(R)  Money Markets.  In comparing a
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 funds seek to  maintain a stable net asset  value of $1.00
per share, there can be no assurance that they will be able to do so.

        The funds may include  discussions  or  illustrations  of the effects of
compounding  in  Performance  Advertisements.  "Compounding"  refers to the fact
that,  if dividends on the funds'  investments  are  reinvested by being paid in
additional fund shares, any future income of the funds would increase the value,
not only of the original  funds'  investments,  but also of the additional  fund
shares  received  through  reinvestment.  As a result,  the value of the  funds'
investments would increase more quickly than if dividends had been paid in cash.
The funds 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.

                                       23

<PAGE>


                                      TAXES

        BACKUP  WITHHOLDING.  The  funds are  required  to  withhold  31% of all
dividends  and  redemption  proceeds  payable to  individuals  and certain other
non-corporate  shareholders  who do not provide the funds 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.

        QUALIFICATION AS A REGULATED  INVESTMENT COMPANY. To continue to qualify
for  treatment  as a regulated  investment  company  ("RIC")  under the Internal
Revenue Code,  each 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 gain, if any) and must meet
several additional  requirements.  With respect to each fund, these requirements
include 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 a fund failed to qualify for
treatment  as a RIC for any taxable  year,  (1) 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 (2) 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

        MASSACHUSETTS  BUSINESS  TRUST.  The  Trust  is an  entity  of the  type
commonly known as a  "Massachusetts  business trust." Under  Massachusetts  law,
shareholders could, under certain  circumstances,  be held personally liable for
the  obligations  of the Trust.  However,  the  Declaration  of Trust  disclaims
shareholder  liability  for acts or  obligations  of the Trust and requires that
notice of such  disclaimer be given in each note,  bond,  contract,  instrument,
certificate or undertaking  made or issued by the trustees or by any officers or
officer by or on behalf of the Trust,  a fund,  the  trustees  or any of them in
connection with the Trust. The Declaration of Trust provides for indemnification
from a fund's  property  for all losses and  expenses  of any  shareholder  held
personally  liable  for  the  obligations  of the  fund.  Thus,  the  risk  of a
shareholder's  incurring  financial loss on account of shareholder  liability is
limited  to  circumstances  in which a fund  itself  would be unable to meet its
obligations,  a  possibility  which  PaineWebber  believes  is  remote  and  not
material.  Upon  payment  of  any  liability  incurred  by  a  shareholder,  the
shareholder  paying such  liability will be entitled to  reimbursement  from the
general  assets of the fund.  The trustees  intend to conduct the  operations of
each fund in such a way as to avoid, as far as possible,  ultimate  liability of
the shareholders for liabilities of the fund.

        CLASS OF SHARES.  A share of each class of a fund represents an interest
in the fund's  investment  portfolio  and has  similar  rights,  privileges  and
preferences.  Each share of a fund has equal  voting,  dividend and  liquidation
rights,  except that beneficial owners of Financial  Intermediary shares receive
certain  services  directly from financial  intermediaries  and bear the related
service costs.

        VOTING  RIGHTS.  Shareholders  of each 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 Trust may elect all its board  members.  The shares of a fund
will be voted together,  except that only the shareholders of a particular class
may vote on matters  affecting only that class. The shares of each series of the
Trust  will  be  voted  separately,  except  when an  aggregate  vote of all the
securities is required by law. Financial intermediaries holding shares for their
own accounts must  undertake to vote the shares in the same  proportions  as the
vote of shares held for their customers.

        The Trust  does not hold  annual  meetings.  There  normally  will be no
meetings of  shareholders  to elect trustees unless fewer than a majority of the
trustees  holding  office have been  elected by  shareholders.  Shareholders  of

                                       24

<PAGE>

record  holding no less than two thirds of the  outstanding  shares of the Trust
may remove a board member 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  record of at least 10% of the
outstanding shares of the Trust.

        CUSTODIAN;  TRANSFER  AND  DIVIDEND  AGENT.  State Street Bank and Trust
Company,  located at 1776 Heritage Drive, North Quincy,  Massachusetts 02171, is
custodian of the funds' assets. PFPC, a subsidiary of PNC Bank, N.A., located at
4400  Computer  Drive,  Westborough,  Massachusetts  01581-5159,  serves as each
fund's transfer and dividend disbursing agent.

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

       AUDITORS.  Ernst & Young LLP,  787  Seventh  Avenue,  New York,  New York
10019, serves as independent auditors for the funds.



                              FINANCIAL STATEMENTS

        The funds'  Annual  Report to  Shareholders  for their last  fiscal year
ended  April 30, 2000 is a separate  document  supplied  with this SAI,  and the
financial  statements,  accompanying  notes and report of  independent  auditors
appearing therein are incorporated herein by this reference.


                                       25

<PAGE>


You should rely only on the  information
contained   or   referred   to  in   the
Prospectus   and   this   Statement   of
Additional  Information.  The  funds and        MITCHELL HUTCHINS'
their  distributor  have not  authorized        Liquid Institutional Reserves
anyone to provide  you with  information
that is different.  The  Prospectus  and        Money Market Fund
this Statement of Additional Information        Government Securities Fund
are not an offer to sell  shares  of the        Treasury Securities Fund
funds  in  any  jurisdiction  where  the
funds  or  their   distributor  may  not
lawfully sell those shares.
                                            ------------------------------------
                                             Statement of Additional Information
                --------                                       September 1, 2000
                                            ------------------------------------







                                                                     PAINEWEBBER






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