PAINEWEBBER SECURITIES TRUST
497, 2000-04-17
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                   PAINEWEBBER U.S. GOVERNMENT INCOME FUND
             PAINEWEBBER LOW DURATION U.S. GOVERNMENT INCOME FUND
                    PAINEWEBBER INVESTMENT GRADE INCOME FUND
                          PAINEWEBBER HIGH INCOME FUND
                      PAINEWEBBER STRATEGIC INCOME FUND
                             51 WEST 52ND STREET
                        NEW YORK, NEW YORK 10019-6114

                     STATEMENT OF ADDITIONAL INFORMATION

      The five funds named above are series of  professionally  managed open-end
management  investment  companies (each a "Trust").  PaineWebber U.S. Government
Income Fund, PaineWebber Low Duration U.S. Government Income Fund ("Low Duration
Fund"),  PaineWebber  Investment  Grade Income Fund and PaineWebber  High Income
Fund are diversified series of PaineWebber  Managed  Investments Trust ("Managed
Trust").  PaineWebber  Strategic  Income  Fund is a  non-diversified  series  of
PaineWebber Securities Trust ("Securities Trust").

      The investment  adviser,  administrator  and  distributor for each fund is
Mitchell Hutchins Asset Management Inc.  ("Mitchell  Hutchins"),  a wholly owned
asset  management  subsidiary of PaineWebber  Incorporated  ("PaineWebber").  As
distributor for the funds,  Mitchell Hutchins has appointed PaineWebber to serve
as the  exclusive  dealer  for  the  sale  of fund  shares.  Pacific  Investment
Management  Company  ("PIMCO" or  "sub-adviser")  serves as sub-adviser  for Low
Duration Fund.

      Portions of each fund's Annual Report to Shareholders  are incorporated by
reference  into this  Statement of Additional  Information  ("SAI").  The Annual
Reports accompany this SAI. You may obtain an additional copy of a fund's Annual
Report by calling toll-free 1-800-647-1568.

      This SAI is not a prospectus and should be read only in  conjunction  with
the funds'  current  Prospectus,  dated March 31, 2000. A copy of the Prospectus
may be obtained by calling any PaineWebber  Financial  Advisor or  correspondent
firm or by calling toll-free 1-800-647-1568. This SAI is dated March 31, 2000.

                         TABLE OF CONTENTS
                                                                            PAGE

    The Funds and Their Investment Policies...................................2
    The Funds' Investments, Related Risks and Limitations.....................4
    Strategies Using Derivative Instruments..................................25
    Organization; Trustees and Officers; Principal Holders and
       Management Ownership of Securities....................................34
    Investment Advisory, Administration and Distribution Arrangements........44
    Portfolio Transactions...................................................51
    Reduced Sales Charges, Additional Exchange and Redemption
       Information and Other Services........................................54
    Conversion of Class B Shares.............................................59
    Valuation of Shares......................................................59
    Performance Information..................................................60
    Taxes....................................................................64
    Other Information........................................................68
    Financial Statements.....................................................69
    Appendix................................................................A-1




<PAGE>




                   THE FUNDS AND THEIR INVESTMENT POLICIES

      No  fund's  investment   objective  may  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.

      U.S.  GOVERNMENT  INCOME FUND AND LOW  DURATION  FUND.  U.S.  Government
Income Fund's investment  objective is high current income consistent with the
preservation  of  capital  and  liquidity.   Low  Duration  Fund's  investment
objective  is to  achieve  the  highest  level of income  consistent  with the
preservation of capital and low volatility of net asset value.

      Low Duration Fund seeks to limit (but not eliminate) the volatility of net
asset value by normally maintaining an overall portfolio duration between one to
three years. U.S. Government Income Fund has no fixed portfolio duration policy.
"Duration"  is a measure of the expected  life of a fixed  income  security on a
present value basis and thus is a measure of interest rate risk.

      Each  fund  normally  invests  at least  65% of its  total  assets in U.S.
government   bonds   (including   mortgage-backed   securities)  and  repurchase
agreements  with  respect  to them.  Each fund may invest up to 35% of its total
assets in privately issued  mortgage- and  asset-backed  securities that, at the
time of purchase, are rated in the highest rating category by Standard & Poor's,
a  division  of The  McGraw-Hill  Companies,  Inc.  ("S&P"),  Moody's  Investors
Service,  Inc.  ("Moody's") or another nationally or internationally  recognized
statistical rating organization ("rating agency") or, if unrated, are considered
to be of comparable  quality by Mitchell  Hutchins (or for Low Duration Fund the
sub-adviser).

      Each fund has a fundamental policy of normally  concentrating at least 25%
of its total  assets in U.S.  government  and  privately  issued  mortgage-  and
asset-backed  securities.  This policy has the effect of increasing  each fund's
exposure  to the risks of these  securities  and might  cause a fund's net asset
value to  fluctuate  more  than  otherwise  would  be the  case.  Some  types of
mortgage-backed  securities,  including  "interest  only,"  "principal only" and
inverse floating classes of these securities,  can be extremely volatile and may
become  illiquid.  Low  Duration  Fund  does  not  invest  in these  classes  of
mortgage-backed securities.

      Each  fund  normally   invests  at  least  65%  of  its  total  assets  in
income-producing securities, which may include zero coupon bonds, other original
issue discount  securities and (for U.S.  Government Income Fund) principal only
mortgage-backed securities.

      U.S.  Government  Income  Fund may  invest up to 10% of its net  assets in
illiquid securities. Low Duration Fund may invest up to 15% of its net assets in
illiquid  securities.  Each 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.  Each fund may purchase  securities  on a  when-issued  or delayed
delivery  basis.  Each fund may engage in dollar  rolls and  reverse  repurchase
agreements,  which are considered borrowings. A fund's borrowings may not exceed
33 1/3% of its total  assets,  except that each fund may borrow an additional 5%
of its total assets for temporary or emergency purposes. Each fund may invest in
the  securities of other  investment  companies and may sell short  "against the
box."

      INVESTMENT  GRADE INCOME  FUND'S  investment  objective is to provide high
current income  consistent with the  preservation of capital and liquidity.  The
fund normally  invests at least 65% of its total assets in U.S.  government  and
investment grade corporate bonds, including mortgage-backed securities and money
market  instruments.  The fund's  investments  in money market  instruments  may
include  repurchase  agreements and commercial  paper or variable  amount master
notes whose  issuers,  at the time the security is  purchased by the fund,  have
outstanding  either  long-term bonds that are rated  investment  grade by S&P or
Moody's or  commercial  paper  rated in the  highest  rating  category by S&P or
Moody's. The fund also may invest up to 35% of its total assets in (1) corporate
bonds that are below  investment  grade, (2) preferred  stocks,  (3) convertible
securities  and  (4)   asset-backed   securities   other  than   mortgage-backed
securities.



                                       2
<PAGE>

      Investment  Grade  Income  Fund's  ability  to  invest  in  mortgage-  and
asset-backed  securities  is  limited.  The fund may  invest in  mortgage-backed
securities only if they are U.S.  government  issued or guaranteed or if, at the
time of purchase, they are investment grade. The fund may invest in asset-backed
securities  only if, at the time of  purchase,  they are rated in one of the two
highest rating categories by S&P or Moody's.  Also, the fund may not invest more
than 10% of its total  assets in interest  only and  principal  only  classes of
mortgage-backed securities.

      Up to 20% of  Investment  Grade Income Fund's net assets may be invested
in  certain  foreign  securities.   These  are  (1)  U.S.  dollar  denominated
securities of foreign  issuers or of foreign  branches of U.S.  banks that are
traded in the U.S.  securities markets and (2) securities that are U.S. dollar
denominated but whose value is linked to the value of foreign currencies.

      Investment  Grade Income Fund  normally  invests at least 65% of its total
assets in  income-producing  securities,  which may include  zero coupon  bonds,
other  original  issue  discount  securities,   payment-in-kind  securities  and
principal only mortgage-backed  securities. The fund also may invest up to 5% of
its net assets in fixed and floating rate loans through either participations in
or assignments of all or a portion of loans made by banks.

      Investment  Grade  Income  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 money from banks or through reverse repurchase
agreements for temporary or emergency purposes,  but not in excess of 10% of its
total  assets.  The fund  may  invest  in the  securities  of  other  investment
companies and may sell short "against the box."

      HIGH INCOME  FUND'S  investment  objective is to provide high income.  The
fund  normally  invests  at  least  65% of  its  total  assets  in  high  yield,
income-producing  corporate bonds that, at the time of purchase,  are rated B or
better by S&P or Moody's,  are comparably  rated by another rating agency or, if
unrated,  are considered to be of comparable quality by Mitchell  Hutchins.  The
fund  may  include  in  this  65% of its  total  assets  any  equity  securities
(including common stocks and rights and warrants for equity securities) that are
attached to corporate bonds or are part of a unit including  corporate bonds, so
long as the corporate bonds meet these quality  requirements.  The fund also may
invest up to 35% of its total  assets in (1) bonds  that are rated  below B (and
rated as low as D by S&P or C by Moody's) or comparable  unrated bonds, (2) U.S.
government  bonds,  (3)  equity  securities  and (4) money  market  instruments,
including repurchase agreements.

      Up to 35% of High Income  Fund's net assets may be invested in  securities
of foreign issuers,  including  securities that are U.S. dollar  denominated but
whose value is linked to the value of foreign currencies.  However, no more than
10% of the fund's net assets may be invested in  securities  of foreign  issuers
that are denominated and traded in currencies other than the U.S. dollar.

      Up to 25% of High Income  Fund's total assets may be invested in bonds and
equity  securities  that are not paying  current  income.  The fund may purchase
these securities if Mitchell Hutchins believes they have a potential for capital
appreciation.

      High  Income  Fund  normally  invests at least 65% of its total  assets in
income-producing securities, which may include zero coupon bonds, other original
issue  discount  securities,   payment-in-kind  securities  and  principal  only
mortgage backed securities.  The fund also may invest up to 5% of its net assets
in fixed and floating rate loans through either participations in or assignments
of all or a portion of loans made by banks.

      High  Income  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 money from banks or through reverse repurchase
agreements  for temporary or emergency  purposes but not in excess of 10% of its
total  assets.  The fund  may  invest  in the  securities  of  other  investment
companies and may sell short "against the box."



                                       3
<PAGE>

      STRATEGIC INCOME FUND'S primary investment  objective is to achieve a high
level of current income.  As a secondary  investment  objective,  the fund seeks
capital  appreciation.  The fund  strategically  allocates its investments among
three distinct bond market categories:  (1) U.S. government and investment grade
corporate bonds, including mortgage- and asset-backed securities;  (2) U.S. high
yield corporate bonds, including convertible bonds, and preferred stock; and (3)
foreign and emerging  market bonds.  A portion of the fund's assets  normally is
invested  in each  of  these  investment  sectors.  However,  the  fund  has the
flexibility at any time to invest all or substantially all of its investments in
any one sector.

      Strategic Income Fund may invest in high yield bonds that are rated as low
as D by S&P or C by Moody's.

      The foreign and emerging market bonds in which  Strategic  Income Fund may
invest include (1) government  bonds,  including Brady bonds and other sovereign
debt, and bonds issued by multi-national  institutions such as the International
Bank for Reconstruction and Development and the International Monetary Fund, (2)
corporate  bonds and  preferred  stock  issued by  entities  located  in foreign
countries, or denominated in or indexed to foreign currencies,  (3) interests in
foreign loan  participations  and assignments,  and (4) foreign  mortgage-backed
securities and other structured foreign investments. The fund may invest without
limit in  securities of issuers  located in any country in the world,  including
both  industrialized  and emerging market  countries.  The fund generally is not
restricted in the portion of its assets that may be invested in a single country
or region,  but its assets  normally are invested in issuers located in at least
three  countries.  No more than 25% of the fund's  total  assets are invested in
securities issued or guaranteed by any single foreign  government.  The fund may
invest in foreign and emerging  market bonds that do not meet any minimum credit
rating standard or that are unrated.

      Mitchell Hutchins believes that Strategic Income Fund's strategy of sector
allocation  should be less risky than  investing  in only one sector of the bond
market.  Data from the Lehman Brothers  Aggregate Bond Index,  the Salomon Smith
Barney  High Yield  Master  Index,  the  Merrill  Lynch High Yield Index and the
Salomon Smith Barney World Government Bond Index indicate that these sectors are
not closely correlated.  If successful,  the fund's strategy should enable it to
achieve a higher level of investment  return than if it invested  exclusively in
any one investment  sector or allocated a fixed proportion of its assets to each
investment sector.

      Strategic  Income  Fund  may  invest  up to  10% of its  total  assets  in
preferred  stock  of U.S.  and  foreign  issuers.  It also  may  acquire  equity
securities  when  attached to bonds or as part of a unit  including  bonds or in
connection  with a  conversion  or exchange  of bonds.  The fund also may invest
without  limit  in   certificates   of  deposit  issued  by  banks  and  savings
associations and in bankers' acceptances.

      Strategic Income Fund normally invests at least 65% of its total assets in
income-producing securities, which may include zero coupon bonds, other original
issue  discount  securities,   payment-in-kind  securities  and  principal  only
mortgage-backed  securities. The fund also may invest in fixed and floating rate
loans through  either  participations  in or  assignments of all or a portion of
loans made by banks.

      Strategic  Income  Fund may invest up to 15% 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  engage in  dollar  rolls  and  reverse  repurchase
agreements,  which are  considered  borrowings.  The fund's  borrowings  may not
exceed  33 1/3% of its  total  assets,  except  that  the  fund  may  borrow  an
additional 5% of its total assets for temporary or emergency purposes.  The fund
may invest in the  securities of other  investment  companies and may sell short
"against the box."

            THE FUNDS' INVESTMENTS, RELATED RISKS AND LIMITATIONS

      The following  supplements the information contained in the Prospectus and
above concerning the funds' 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.



                                       4
<PAGE>

      BONDS are fixed or variable rate debt obligations, including bills, notes,
debentures,  money market  instruments  and similar  instruments and securities.
Mortgage- and  asset-backed  securities are types of bonds, and certain types of
income-producing,  non-convertible  preferred stocks may be treated as bonds for
investment purposes.  Bonds generally are used by corporations,  governments and
other  issuers to borrow  money from  investors.  The issuer pays the investor a
fixed or variable rate of interest and normally  must repay the amount  borrowed
on or before  maturity.  Many preferred stocks and some bonds are "perpetual" in
that they have no maturity date.

      Bonds are subject to interest  rate risk and credit  risk.  Interest  rate
risk is the risk that  interest  rates  will rise and  that,  as a result,  bond
prices  will  fall,  lowering  the value of a fund's  investments  in bonds.  In
general,  bonds having  longer  durations  are more  sensitive to interest  rate
changes than are bonds with shorter  durations.  Credit risk is the risk that an
issuer may be unable or unwilling to pay interest and/or  principal on the bond.
Credit risk can be affected by many factors,  including  adverse  changes in the
issuer's own financial condition or in economic conditions.

      EQUITY SECURITIES. Equity securities include common stocks, most preferred
stocks and securities that are  convertible  into them,  including  common stock
purchase warrants and rights,  equity interests in trusts,  partnerships,  joint
ventures or similar enterprises and depositary receipts. Common stocks, the most
familiar type, represent an equity (ownership) interest in a corporation.

      Preferred  stock has  certain  fixed  income  features,  like a bond,  but
actually it is equity that is senior to a company's  common  stock.  Convertible
bonds may be converted into or exchanged for a prescribed amount of common stock
of the same or a  different  issuer  within  a  particular  period  of time at a
specified  price or formula.  Some preferred stock also may be converted into or
exchanged for common stock. Depositary receipts typically are issued by banks or
trust companies and evidence ownership of underlying equity securities.

      While  past  performance   does  not  guarantee  future  results,   equity
securities historically have provided the greatest long-term growth potential in
a company.  However, their prices generally fluctuate more than other securities
and reflect changes in a company's financial condition and in overall market and
economic  conditions.  Common stocks generally represent the riskiest investment
in a  company.  It is  possible  that a fund may  experience  a  substantial  or
complete loss on an individual  equity  investment.  While this is possible with
bonds, it is less likely.

      CREDIT RATINGS;  NON-INVESTMENT GRADE BONDS. Moody's, S&P and other rating
agencies  are private  services  that provide  ratings of the credit  quality of
bonds and certain other  securities.  A description  of the ratings  assigned to
corporate  bonds by Moody's and S&P is included in the Appendix to this SAI. The
process  by  which  Moody's  and  S&P  determine  ratings  for   mortgage-backed
securities  includes  consideration of the likelihood of the receipt by security
holders of all  distributions,  the nature of the underlying  assets, the credit
quality of the  guarantor,  if any,  and the  structural,  legal and tax aspects
associated with these securities. Not even the highest such rating represents an
assessment of the likelihood that principal prepayments will be made by obligors
on the underlying assets or the degree to which such prepayments may differ from
that originally  anticipated,  nor do such ratings address the possibility  that
investors may suffer a lower than  anticipated  yield or that  investors in such
securities may fail to recoup fully their initial investment due to prepayments.

      Credit  ratings  attempt to evaluate the safety of principal  and interest
payments,  but they do not  evaluate  the  volatility  of a bond's  value or its
liquidity and do not guarantee the  performance of the issuer.  Rating  agencies
may fail to make timely  changes in credit  ratings in  response  to  subsequent
events, so that an issuer's current  financial  condition may be better or worse
than the rating indicates.  There is a risk that rating agencies may downgrade a
bond's  rating.  Subsequent  to a bond's  purchase by a fund, it may cease to be
rated or its  rating  may be  reduced  below the  minimum  rating  required  for
purchase by the fund. The funds may use these ratings in determining  whether to
purchase,  sell or hold a  security.  It should  be  emphasized,  however,  that
ratings are general and are not  absolute  standards  of quality.  Consequently,
bonds with the same maturity, interest rate and rating may have different market
prices.



                                       5
<PAGE>

      In  addition to ratings  assigned  to  individual  bond  issues,  Mitchell
Hutchins (or for Low Duration Fund the  sub-adviser)  will analyze interest rate
trends and developments  that may affect individual  issuers,  including factors
such as  liquidity,  profitability  and asset  quality.  The yields on bonds are
dependent on a variety of factors,  including  general money market  conditions,
general  conditions in the bond market,  the financial  condition of the issuer,
the size of the offering,  the maturity of the obligation and its rating.  There
is a  wide  variation  in  the  quality  of  bonds,  both  within  a  particular
classification and between  classifications.  An issuer's  obligations under its
bonds are subject to the  provisions of  bankruptcy,  insolvency  and other laws
affecting  the rights and  remedies  of bond  holders or other  creditors  of an
issuer;  litigation or other  conditions may also adversely  affect the power or
ability of issuers to meet their  obligations  for the payment of  interest  and
principal on their bonds.

      Investment  grade  bonds  are  rated  in one of the  four  highest  rating
categories by Moody's or S&P,  comparably  rated by another rating agency or, if
unrated,  determined  by  Mitchell  Hutchins  (or  for  Low  Duration  Fund  the
sub-adviser) to be of comparable quality. Moody's considers bonds rated Baa (its
lowest investment grade rating) to have speculative characteristics.  This means
that changes in economic  conditions or other  circumstances  are more likely to
lead to a weakened  capacity to make principal and interest payments than is the
case for higher rated bonds.

      Non-investment  grade bonds  (commonly known as "junk bonds" and sometimes
referred to as "high yield" bonds) are rated Ba or lower by Moody's, BB or lower
by S&P, comparably rated by another rating agency or, if unrated,  determined by
Mitchell Hutchins (or for Low Duration Fund the sub-adviser) to be of comparable
quality. A fund's investments in non-investment  grade bonds entail greater risk
than its  investments  in higher  rated  bonds.  Non-investment  grade bonds are
considered predominantly speculative with respect to the issuer's ability to pay
interest  and repay  principal  and may  involve  significant  risk  exposure to
adverse conditions.  Non-investment grade bonds generally offer a higher current
yield than that available for  investment  grade issues;  however,  they involve
greater  risks,  in that they are  especially  sensitive  to adverse  changes in
general  economic  conditions  and in the  industries  in which the  issuers are
engaged,  to changes in the  financial  condition  of the  issuers  and to price
fluctuations  in  response  to  changes in  interest  rates.  During  periods of
economic  downturn  or rising  interest  rates,  highly  leveraged  issuers  may
experience  financial  stress which could adversely affect their ability to make
payments of interest and principal and increase the  possibility of default.  In
addition,  such  issuers  may not have more  traditional  methods  of  financing
available  to them and may be unable to repay debt at maturity  by  refinancing.
The risk of loss due to default by such issuers is significantly greater because
such  securities  frequently  are unsecured by  collateral  and will not receive
payment until more senior claims are paid in full.

      The market for  non-investment  grade bonds,  especially  those of foreign
issuers,  has  expanded  rapidly  in  recent  years,  which has been a period of
generally  expanding  growth  and  lower  inflation.  These  securities  will be
susceptible  to greater  risk when  economic  growth  slows or reverses and when
inflation increases or deflation occurs. This has been reflected in recent years
by volatility in emerging market securities. In the past, many lower rated bonds
experienced  substantial  price  declines  reflecting an  expectation  that many
issuers of such securities might experience financial difficulties. As a result,
the yields on lower rated bonds rose dramatically.  However, those higher yields
did not reflect the value of the income  stream that holders of such  securities
expected.  Rather, they reflected the risk that holders of such securities could
lose a  substantial  portion  of  their  value  due to  the  issuers'  financial
restructurings or defaults by the issuers.  There can be no assurance that those
declines will not recur.

      The market for  non-investment  grade bonds  generally is thinner and less
active than that for higher quality securities, which may limit a fund's ability
to sell such  securities  at fair value in response to changes in the economy or
financial markets.  Adverse publicity and investor  perceptions,  whether or not
based on  fundamental  analysis,  may also  decrease the values and liquidity of
non-investment grade bonds, especially in a thinly traded market.

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



                                       6
<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
programs,  the principal and interest components are individually numbered and
separately issued by the U.S. Treasury.

      Treasury   inflation-protected   securities   ("TIPS")   (also   known  as
"inflation-indexed  securities") are Treasury bonds on which the principal value
is adjusted  daily in  accordance  with  changes in the  Consumer  Price  Index.
Interest on TIPS is payable  semi-annually on the adjusted  principal value. The
principal  value of TIPS would  decline  during  periods of  deflation,  but the
principal  amount  payable at maturity  would not be less than the  original par
amount.  If inflation is lower than expected  while a fund holds TIPS,  the fund
may earn  less on the TIPS than it would on  conventional  Treasury  bonds.  Any
increase  in the  principal  value of TIPS is taxable  in the year the  increase
occurs,  even though  holders do not receive cash  representing  the increase at
that time. See "Taxes -- Other Information," below

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

      MORTGAGE-BACKED SECURITIES. Mortgage-backed securities represent direct or
indirect  interests in pools of  underlying  mortgage  loans that are secured by
real  property.  U.S.  government   mortgage-backed  securities  are  issued  or
guaranteed  as to the payment of principal  and  interest  (but not as to market
value)  by  Ginnie  Mae  (also  known  as  the  Government   National   Mortgage
Association),   Fannie  Mae  (also  known  as  the  Federal  National   Mortgage
Association),  Freddie  Mac  (also  known  as the  Federal  Home  Loan  Mortgage
Corporation)  or  other  government   sponsored   enterprises.   Other  domestic
mortgage-backed   securities  are  sponsored  or  issued  by  private  entities,
generally  originators  of and investors in mortgage  loans,  including  savings
associations, mortgage bankers, commercial banks, investment bankers and special
purpose  entities  (collectively,   "Private  Mortgage  Lenders").  Payments  of
principal   and   interest   (but  not  the  market   value)  of  such   private
mortgage-backed  securities may be supported by pools of mortgage loans or other
mortgage-backed  securities that are guaranteed,  directly or indirectly, by the
U.S.  government  or one of its  agencies or  instrumentalities,  or they may be
issued without any government  guarantee of the underlying  mortgage  assets but
with some form of non-government  credit  enhancement.  Foreign  mortgage-backed
securities  may be issued by mortgage  banks and other  private or  governmental
entities  outside the United  States and are  supported  by interests in foreign
real estate.

      Mortgage-backed  securities may be composed of one or more classes and may
be  structured  either  as  pass-through   securities  or  collateralized   debt
obligations. Multiple-class mortgage-backed securities are referred to herein as
"CMOs."  Some  CMOs are  directly  supported  by other  CMOs,  which in turn are
supported by mortgage pools.  Investors  typically  receive  payments out of the
interest  and  principal  on the  underlying  mortgages.  The  portions of these
payments  that  investors  receive,  as well as the  priority of their rights to
receive  payments,  are determined by the specific terms of the CMO class.  CMOs
involve special risk and evaluating them requires special knowledge.

      A major  difference  between  mortgage-backed  securities and  traditional
bonds is that interest and principal payments are made more frequently  (usually
monthly) and that  principal  may be repaid at any time  because the  underlying
mortgage  loans may be  prepaid  at any time.  When  interest  rates go down and
homeowners refinance their mortgages, mortgage-backed securities may be paid off
more quickly than investors  expect.  When interest rates rise,  mortgage-backed
securities may be paid off more slowly than originally expected.  Changes in the
rate or  "speed"  of these  prepayments  can cause the value of  mortgage-backed
securities to fluctuate rapidly.



                                       7
<PAGE>

      Mortgage-backed  securities  also may  decrease  in  value as a result  of
increases in interest rates and,  because of prepayments,  may benefit less than
other bonds from declining  interest  rates.  Reinvestments  of prepayments  may
occur at lower  interest  rates than the  original  investment,  thus  adversely
affecting a fund's yield. Actual prepayment  experience may cause the yield of a
mortgage-backed security to differ from what was assumed when the fund purchased
the  security.  Prepayments  at a slower rate than  expected  may  lengthen  the
effective  life of a  mortgage-backed  security.  The value of  securities  with
longer  effective lives generally  fluctuates more widely in response to changes
in interest rates than the value of securities with shorter effective lives.

      CMO classes may be specially structured in a manner that provides any of a
wide variety of investment  characteristics,  such as yield,  effective maturity
and  interest  rate  sensitivity.  As market  conditions  change,  however,  and
particularly during periods of rapid or unanticipated changes in market interest
rates, the attractiveness of the CMO classes and the ability of the structure to
provide the anticipated investment characteristics may be significantly reduced.
These  changes  can  result  in  volatility  in the  market  value,  and in some
instances reduced liquidity, of the CMO class.

      Certain  classes  of  CMOs  and  other   mortgage-backed   securities  are
structured  in a manner  that  makes  them  extremely  sensitive  to  changes in
prepayment  rates.  Interest only ("IO") and principal  only ("PO")  classes are
examples of this.  IOs are entitled to receive all or a portion of the interest,
but  none  (or  only a  nominal  amount)  of the  principal  payments,  from the
underlying  mortgage assets.  If the mortgage assets underlying an IO experience
greater  than  anticipated  principal  prepayments,  then the  total  amount  of
interest  payments  allocable  to the IO  class,  and  therefore  the  yield  to
investors,  generally will be reduced.  In some instances,  an investor in an IO
may fail to recoup all of his or her initial investment, even if the security is
government  issued or guaranteed or is rated AAA or the equivalent.  Conversely,
PO classes are entitled to receive all or a portion of the  principal  payments,
but none of the interest,  from the underlying  mortgage assets.  PO classes are
purchased at substantial  discounts from par, and the yield to investors will be
reduced if  principal  payments are slower than  expected.  Some IOs and POs, as
well as other CMO classes,  are structured to have special  protections  against
the effects of prepayments. These structural protections,  however, normally are
effective  only  within  certain  ranges of  prepayment  rates and thus will not
protect investors in all  circumstances.  Inverse floating rate CMO classes also
may be extremely  volatile.  These classes pay interest at a rate that decreases
when a specified index of market rates increases and vice versa.

      The market for privately issued mortgage-backed  securities is smaller and
less  liquid  than the market for U.S.  government  mortgage-backed  securities.
Foreign  mortgage-backed  securities markets are substantially smaller than U.S.
markets,  but have been  established in several  countries,  including  Germany,
Denmark, Sweden, Canada and Australia,  and may be developed elsewhere.  Foreign
mortgage-backed  securities  generally are structured  differently than domestic
mortgage-backed  securities,  but they normally  present  substantially  similar
investment  risks as well as the other risks  normally  associated  with foreign
securities.

      During 1994,  the value and liquidity of many  mortgage-backed  securities
declined  sharply due primarily to increases in interest rates.  There can be no
assurance  that such  declines  will not  recur.  The  market  value of  certain
mortgage-backed  securities,  including  IO and PO  classes  of  mortgage-backed
securities, can be extremely volatile, and these securities may become illiquid.
Mitchell Hutchins (or for Low Duration Fund the sub-adviser) seeks to manage the
funds' investments in mortgage-backed  securities so that the volatility of each
fund's portfolio, taken as a whole, is consistent with its investment objective.
Management  of  portfolio  duration  is an  important  part  of  this.  However,
computing  the duration of  mortgage-backed  securities  is complex.  See,  "The
Funds'  Investments,  Related  Risks and  Limitations  -- Duration." If Mitchell
Hutchins  (or for Low  Duration  Fund  the  sub-adviser)  does not  compute  the
duration  of  mortgage-backed  securities  correctly,  the  value of the  fund's
portfolio  may be either more or less  sensitive  to changes in market  interest
rates than intended. In addition, if market interest rates or other factors that
affect the volatility of securities  held by a fund change in ways that Mitchell
Hutchins (or for Low Duration Fund the  sub-adviser)  does not  anticipate,  the
fund's ability to meet its investment objective may be reduced.

      More  information  concerning  these  mortgage-backed  securities  and the
related  risks  of  investments  therein  is  set  forth  below.  New  types  of
mortgage-backed  securities  are  developed  and marketed from time to time and,
consistent  with their  investment  limitations,  the funds  expect to invest in
those new types of mortgage-backed securities that Mitchell Hutchins (or for Low
Duration Fund the  sub-adviser)  believe may assist the funds in achieving their


                                       8
<PAGE>

investment  objectives.  Similarly,  the  funds may  invest  in  mortgage-backed
securities issued by new or existing  governmental or private issuers other than
those  identified  herein.  The funds that may invest in foreign  securities may
invest  in  foreign   mortgage-backed   securities,   which  may  be  structured
differently than domestic mortgage-backed securities.

      GINNIE  MAE   CERTIFICATES--Ginnie   Mae   guarantees   certain   mortgage
pass-through certificates ("Ginnie Mae certificates") that are issued by Private
Mortgage Lenders and that represent  ownership  interests in individual pools of
residential  mortgage  loans.  These  securities are designed to provide monthly
payments of interest and principal to the investor.  Timely  payment of interest
and  principal  is backed by the full faith and  credit of the U.S.  government.
Each mortgagor's  monthly payments to his lending institution on his residential
mortgage are "passed through" to  certificateholders.  Mortgage pools consist of
whole mortgage loans or participations  in loans. The terms and  characteristics
of the mortgage  instruments  are generally  uniform  within a pool but may vary
among pools.  Lending  institutions  that originate  mortgages for the pools are
subject to certain standards,  including credit and other underwriting  criteria
for individual mortgages included in the pools.

      FANNIE MAE  CERTIFICATES--Fannie  Mae  facilitates  a  national  secondary
market in residential  mortgage  loans insured or guaranteed by U.S.  government
agencies  and in  privately  insured or  uninsured  residential  mortgage  loans
(sometimes referred to as "conventional mortgage loans" or "conventional loans")
through its mortgage purchase and  mortgage-backed  securities sales activities.
Fannie Mae issues guaranteed  mortgage  pass-through  certificates  ("Fannie Mae
certificates"),  which  represent  pro rata shares of all interest and principal
payments made and owed on the underlying  pools.  Fannie Mae  guarantees  timely
payment of interest  and  principal on Fannie Mae  certificates.  The Fannie Mae
guarantee is not backed by the full faith and credit of the U.S. government.

      FREDDIE  MAC   CERTIFICATES--Freddie   Mac  also  facilitates  a  national
secondary  market  for  conventional  residential  and  U.S.  government-insured
mortgage  loans  through its mortgage  purchase and  mortgage-backed  securities
sales  activities.  Freddie  Mac  issues  two  types  of  mortgage  pass-through
securities:  mortgage participation certificates ("PCs") and guaranteed mortgage
certificates  ("GMCs").  Each PC represents a pro rata share of all interest and
principal  payments made and owed on the underlying pool.  Freddie Mac generally
guarantees timely monthly payment of interest on PCs and the ultimate payment of
principal, but it also has a PC program under which it guarantees timely payment
of both  principal  and interest.  GMCs also  represent a pro rata interest in a
pool of  mortgages.  These  instruments  pay interest  semi-annually  and return
principal once a year in guaranteed minimum payments.  The Freddie Mac guarantee
is not backed by the full faith and credit of the U.S. government.

      PRIVATE MORTGAGE-BACKED  SECURITIES--Mortgage-backed  securities issued by
Private Mortgage  Lenders are structured  similarly to CMOs issued or guaranteed
by Ginnie Mae, Fannie Mae and Freddie Mac. Such  mortgage-backed  securities may
be  supported  by pools of U.S.  government  or  agency  insured  or  guaranteed
mortgage  loans or by other  mortgage-backed  securities  issued by a government
agency  or  instrumentality,  but  they  generally  are  supported  by  pools of
conventional (i.e.,  non-government guaranteed or insured) mortgage loans. Since
such mortgage-backed  securities normally are not guaranteed by an entity having
the credit standing of Ginnie Mae, Fannie Mae and Freddie Mac, they normally are
structured  with  one or more  types of  credit  enhancement.  See  "The  Funds'
Investments,  Related Risks and Limitations--Types of Credit Enhancement." These
credit enhancements do not protect investors from changes in market value.

      COLLATERALIZED    MORTGAGE    OBLIGATIONS   AND    MULTI-CLASS    MORTGAGE
PASS-THROUGHS--CMOs  are debt  obligations that are  collateralized  by mortgage
loans or mortgage pass-through securities (collectively "Mortgage Assets"). CMOs
may be issued by Private  Mortgage  Lenders or by  government  entities  such as
Fannie Mae or Freddie Mac.  Multi-class  mortgage  pass-through  securities  are
interests in trusts that are comprised of Mortgage Assets and that have multiple
classes  similar  to those in CMOs.  Unless  the  context  indicates  otherwise,
references herein to CMOs include multi-class mortgage pass-through  securities.
Payments of principal of, and interest on, the Mortgage  Assets (and in the case
of CMOs,  any  reinvestment  income  thereon)  provide the funds to pay the debt
service  on the  CMOs  or to make  scheduled  distributions  on the  multi-class
mortgage pass-through securities.

      In a CMO, a series of bonds or certificates is issued in multiple classes.
Each class of CMO,  also  referred  to as a  "tranche,"  is issued at a specific
fixed or floating  coupon rate and has a stated  maturity or final  distribution


                                       9
<PAGE>

date. Principal  prepayments on the Mortgage Assets may cause CMOs to be retired
substantially  earlier than their stated maturities or final distribution dates.
Interest is paid or accrued on all classes of a CMO (other than any PO class) on
a monthly,  quarterly or  semi-annual  basis.  The principal and interest on the
Mortgage  Assets may be  allocated  among the  several  classes of a CMO in many
ways.  In  one  structure,  payments  of  principal,   including  any  principal
prepayments,  on the Mortgage  Assets are applied to the classes of a CMO in the
order of their respective stated maturities or final  distribution dates so that
no  payment  of  principal  will be made on any class of the CMO until all other
classes having an earlier stated maturity or final  distribution  date have been
paid  in  full.  In  some  CMO  structures,  all or a  portion  of the  interest
attributable  to one or more of the CMO  classes  may be added to the  principal
amounts   attributable   to  such  classes,   rather  than  passed   through  to
certificateholders  on a current basis,  until other classes of the CMO are paid
in full.

      Parallel pay CMOs are structured to provide  payments of principal on each
payment date to more than one class. These simultaneous  payments are taken into
account in calculating  the stated maturity date or final  distribution  date of
each class,  which, as with other CMO structures,  must be retired by its stated
maturity date or final distribution date but may be retired earlier.

      Some CMO classes are structured to pay interest at rates that are adjusted
in accordance with a formula,  such as a multiple or fraction of the change in a
specified interest rate index, so as to pay at a rate that will be attractive in
certain interest rate  environments but not in others.  For example,  an inverse
floating  rate CMO class pays  interest at a rate that  increases as a specified
interest rate index decreases but decreases as that index  increases.  For other
CMO classes, the yield may move in the same direction as market interest rates--
i.e.,   the  yield  may  increase  as  rates  increase  and  decrease  as  rates
decrease--but may do so more rapidly or to a greater degree. The market value of
such securities generally is more volatile than that of a fixed-rate obligation.
Such interest rate formulas may be combined with other CMO characteristics.  For
example,  a CMO  class may be an  inverse  IO class,  on which the  holders  are
entitled  to  receive no  payments  of  principal  and are  entitled  to receive
interest at a rate that will vary inversely with a specified index or a multiple
thereof.

      TYPES OF CREDIT  ENHANCEMENT--To lessen the effect of failures by obligors
on Mortgage  Assets to make  payments,  mortgage-backed  securities  may contain
elements  of  credit  enhancement.   Such  credit  enhancement  falls  into  two
categories:  (1) liquidity  protection and (2) loss protection.  Loss protection
relates to losses resulting after default by an obligor on the underlying assets
and collection of all amounts recoverable  directly from the obligor and through
liquidation of the collateral.  Liquidity  protection refers to the provision of
advances,  generally by the entity administering the pool of assets (usually the
bank,  savings  association or mortgage  banker that  transferred the underlying
loans to the issuer of the security),  to ensure that the receipt of payments on
the underlying pool occurs in a timely fashion. Loss protection ensures ultimate
payment of the obligations on at least a portion of the assets in the pool. Such
protection may be provided through guarantees,  insurance policies or letters of
credit  obtained by the issuer or sponsor,  from third parties,  through various
means  of  structuring   the  transaction  or  through  a  combination  of  such
approaches. A fund will not pay any additional fees for such credit enhancement,
although  the  existence  of  credit  enhancement  may  increase  the price of a
security.  Credit  enhancements do not provide protection against changes in the
market value of the security.  Examples of credit enhancement arising out of the
structure of the transaction include "senior-subordinated  securities" (multiple
class securities with one or more classes subordinate to other classes as to the
payment of principal thereof and interest thereon, with the result that defaults
on the  underlying  assets are borne  first by the  holders of the  subordinated
class),  creation  of  "spread  accounts"  or  "reserve  funds"  (where  cash or
investments,  sometimes  funded from a portion of the payments on the underlying
assets, are held in reserve against future losses) and  "over-collateralization"
(where the  scheduled  payments on, or the principal  amount of, the  underlying
assets  exceed  that  required  to make  payment of the  securities  and pay any
servicing or other  fees).  The degree of credit  enhancement  provided for each
issue generally is based on historical information regarding the level of credit
risk  associated  with the underlying  assets.  Delinquency or loss in excess of
that  anticipated  could adversely  affect the return on an investment in such a
security.

      SPECIAL  CHARACTERISTICS  OF MORTGAGE-  AND  ASSET-BACKED  SECURITIES--The
yield characteristics of mortgage- and asset-backed securities differ from those
of traditional  debt securities.  Among the major  differences are that interest
and  principal  payments are made more  frequently,  usually  monthly,  and that
principal may be prepaid at any time because the  underlying  mortgage  loans or


                                       10
<PAGE>

other obligations generally may be prepaid at any time. Prepayments on a pool of
mortgage loans are influenced by a variety of economic,  geographic,  social and
other factors,  including  changes in mortgagors'  housing needs, job transfers,
unemployment,  mortgagors' net equity in the mortgaged  properties and servicing
decisions.  Generally,  however,  prepayments on fixed-rate  mortgage loans will
increase during a period of falling  interest rates and decrease during a period
of rising interest  rates.  Similar factors apply to prepayments on asset-backed
securities, but the receivables underlying asset-backed securities generally are
of a  shorter  maturity  and thus  are less  likely  to  experience  substantial
prepayments.  Such securities,  however, often provide that for a specified time
period the issuers  will  replace  receivables  in the pool that are repaid with
comparable obligations. If the issuer is unable to do so, repayment of principal
on the  asset-backed  securities may commence at an earlier date.  Mortgage- and
asset-backed  securities  may  decrease  in value as a result  of  increases  in
interest  rates and may benefit  less than other  fixed-income  securities  from
declining interest rates because of the risk of prepayment.

      The rate of  interest  on  mortgage-backed  securities  is lower  than the
interest rates paid on the mortgages  included in the underlying pool due to the
annual  fees paid to the  servicer  of the  mortgage  pool for  passing  through
monthly  payments to  certificateholders  and to any  guarantor,  and due to any
yield  retained  by the  issuer.  Actual  yield to the  holder may vary from the
coupon rate, even if adjustable, if the mortgage-backed securities are purchased
or traded in the secondary market at a premium or discount.  In addition,  there
is normally some delay between the time the issuer  receives  mortgage  payments
from  the   servicer  and  the  time  the  issuer  makes  the  payments  on  the
mortgage-backed  securities,  and this delay reduces the effective  yield to the
holder of such securities.

      Yields on  pass-through  securities  are  typically  quoted by  investment
dealers and vendors based on the maturity of the underlying  instruments and the
associated  average  life  assumption.  The average life of  pass-through  pools
varies with the maturities of the underlying  mortgage  loans. A pool's term may
be shortened by  unscheduled  or early  payments of principal on the  underlying
mortgages.  Because  prepayment rates of individual pools vary widely, it is not
possible to predict  accurately  the average life of a particular  pool.  In the
past,  a common  industry  practice was to assume that  prepayments  on pools of
fixed-rate  30-year  mortgages  would  result in a 12-year  average life for the
pool.  At  present,  mortgage  pools,  particularly  those with loans with other
maturities or different characteristics,  are priced on an assumption of average
life determined for each pool. In periods of declining  interest rates, the rate
of prepayment tends to increase, thereby shortening the actual average life of a
pool of mortgage-related  securities.  Conversely, in periods of rising interest
rates, the rate of prepayment tends to decrease,  thereby lengthening the actual
average  life of the pool.  However,  these  effects may not be present,  or may
differ in degree,  if the mortgage loans in the pools have  adjustable  interest
rates or other  special  payment  terms,  such as a  prepayment  charge.  Actual
prepayment  experience  may  cause the yield of  mortgage-backed  securities  to
differ from the assumed  average life yield.  Reinvestment  of  prepayments  may
occur at lower  interest  rates than the  original  investment,  thus  adversely
affecting a fund's yield.

      ADJUSTABLE    RATE    MORTGAGE   AND   FLOATING    RATE    MORTGAGE-BACKED
Securities--Adjustable  rate mortgage ("ARM") securities  (sometimes referred to
as "ARMs")  are  mortgage-backed  securities  that  represent a right to receive
interest payments at a rate that is adjusted to reflect the interest earned on a
pool of  mortgage  loans  bearing  variable  or  adjustable  rates of  interest.
Floating  rate   mortgage-backed   securities  are  classes  of  mortgage-backed
securities that have been structured to represent the right to receive  interest
payments at rates that fluctuate in accordance  with an index but that generally
are  supported by pools  comprised of  fixed-rate  mortgage  loans.  Because the
interest rates on ARM and floating rate mortgage-backed  securities are reset in
response to changes in a specified  market index,  the values of such securities
tend to be less  sensitive  to  interest  rate  fluctuations  than the values of
fixed-rate  securities.  As a result,  during periods of rising  interest rates,
ARMs  generally  do not  decrease  in  value as much as  fixed-rate  securities.
Conversely, during periods of declining rates, ARMs generally do not increase in
value as much as  fixed-rate  securities.  ARMs  represent  a right  to  receive
interest payments at a rate that is adjusted to reflect the interest earned on a
pool of ARM loans.  These mortgage loans  generally  specify that the borrower's
mortgage  interest rate may not be adjusted above a specified  lifetime  maximum
rate or, in some cases, below a minimum lifetime rate. In addition,  certain ARM
loans specify  limitations on the maximum amount by which the mortgage  interest
rate may adjust for any single adjustment period.  These mortgage loans also may
limit changes in the maximum amount by which the borrower's  monthly payment may
adjust for any single adjustment  period. If a monthly payment is not sufficient


                                       11
<PAGE>

to pay the interest  accruing on the ARM loan, any such excess interest is added
to the mortgage loan ("negative  amortization"),  which is repaid through future
payments.  If a monthly payment  exceeds the sum of the interest  accrued at the
applicable mortgage interest rate and the principal payment that would have been
necessary to amortize the outstanding  principal balance over the remaining term
of the loan, the excess reduces the principal balance of the ARM loan. Borrowers
under these mortgage loans experiencing negative amortization may take longer to
build up their  equity  in the  underlying  property  and may be more  likely to
default.

      ARM loans  also may be  subject  to a  greater  rate of  prepayments  in a
declining interest rate environment.  For example,  during a period of declining
interest rates,  prepayments on ARMs could increase  because the availability of
fixed-rate mortgage loans at competitive interest rates may encourage mortgagors
to "lock-in" at a lower  interest  rate.  Conversely,  during a period of rising
interest rates, prepayments on ARM loans might decrease. The rate of prepayments
with respect to ARM loans has fluctuated in recent years.

      The rates of  interest  payable on certain  ARM loans,  and  therefore  on
certain ARM  securities,  are based on indices,  such as the  one-year  constant
maturity  Treasury rate, that reflect  changes in market interest rates.  Others
are based on indices,  such as the 11th District  Federal Home Loan Bank Cost of
Funds Index ("COFI"),  that tend to lag behind changes in market interest rates.
The values of ARM securities supported by ARM loans that adjust based on lagging
indices tend to be somewhat more  sensitive to interest rate  fluctuations  than
those reflecting  current interest rate levels,  although the values of such ARM
securities  still tend to be less sensitive to interest rate  fluctuations  than
fixed-rate securities.

      Floating rate  mortgage-backed  securities are classes of  mortgage-backed
securities that have been structured to represent the right to receive  interest
payments at rates that fluctuate in accordance  with an index but that generally
are  supported by pools  comprised of  fixed-rate  mortgage  loans.  As with ARM
securities,   interest  rate   adjustments  on  floating  rate   mortgage-backed
securities  may be based on  indices  that lag  behind  market  interest  rates.
Interest  rates  on  floating  rate  mortgage-backed  securities  generally  are
adjusted  monthly.  Floating  rate  mortgage-backed  securities  are  subject to
lifetime  interest rate caps,  but they generally are not subject to limitations
on monthly or other periodic changes in interest rates or monthly payments.

      INVESTING  IN FOREIGN  SECURITIES.  Investing  in foreign  securities  may
involve  more  risks than  investing  in U.S.  securities.  The value of foreign
securities  is subject to economic and political  developments  in the countries
where the issuers operate and to changes in foreign currency values. Investments
in foreign securities  involve risks relating to political,  social and economic
developments abroad, as well as risks resulting from the differences between the
regulations  to which U.S. and foreign  issuers and markets are  subject.  These
risks may include  expropriation,  confiscatory  taxation,  withholding taxes on
interest and/or dividends,  limitations on the use of or transfer of fund assets
and  political  or social  instability  or  diplomatic  developments.  Moreover,
individual  foreign  economies may differ favorably or unfavorably from the U.S.
economy in such respects as growth of gross national product, rate of inflation,
capital  reinvestment,   resource   self-sufficiency  and  balance  of  payments
position. In those European countries that have begun using the Euro as a common
currency unit,  individual  national  economies may be adversely affected by the
inability of national  governments  to use monetary  policy to address their own
economic or political concerns.

      Securities  of many foreign  companies may be less liquid and their prices
more volatile than  securities of comparable U.S.  companies.  From time to time
foreign  securities may be difficult to liquidate rapidly without  significantly
depressing  the  price  of  such  securities.  Foreign  markets  have  different
clearance  and  settlement  procedures,  and in certain  markets there have been
times when  settlements  have failed to keep pace with the volume of  securities
transactions,  making it  difficult  to  conduct  such  transactions.  Delays in
settlement  could result in temporary  periods when some of a fund's  assets are
uninvested  and no return is earned  thereon.  The  inability  of a fund to make
intended security  purchases due to settlement  problems could cause the fund to
miss attractive  investment  opportunities.  Inability to dispose of a portfolio
security due to  settlement  problems  could result either in losses to the fund
due to subsequent  declines in the value of such  portfolio  security or, if the
fund has entered into a contract to sell the security,  could result in possible
liability to the purchaser.  Foreign  securities  trading  practices,  including
those involving securities settlement where fund assets may be released prior to
receipt of payment, may expose a fund to increased risk in the event of a failed


                                       12
<PAGE>

trade or the insolvency of a foreign broker-dealer.  Legal remedies for defaults
and disputes may have to be pursued in foreign courts,  whose procedures  differ
substantially from those of U.S. courts.

      The costs of investing  outside the United  States  frequently  are higher
than those attributable to investing in the United States.  This is particularly
true  with  respect  to  emerging  capital  markets.  For  example,  the cost of
maintaining  custody of foreign  securities exceeds custodian costs for domestic
securities, and transaction and settlement costs of foreign investing frequently
are higher than those attributable to domestic investing.  Costs associated with
the exchange of  currencies  also make foreign  investing  more  expensive  than
domestic investing.

      Securities of foreign  issuers may not be registered  with the  Securities
and Exchange Commission  ("SEC"),  and the issuers thereof may not be subject to
its reporting  requirements.  Accordingly,  there may be less publicly available
information  concerning  foreign  issuers of  securities  held by a fund than is
available concerning U.S. companies. Foreign companies are not generally subject
to uniform  accounting,  auditing and financial  reporting standards or to other
regulatory requirements comparable to those applicable to U.S. companies.

      FOREIGN CURRENCY RISKS.  Currency risk is the risk that changes in foreign
exchange rates may reduce the U.S. dollar value of a fund's foreign investments.
If the value of a foreign  currency rises against the value of the U.S.  dollar,
the value of a fund's  investments  that are  denominated in, or linked to, that
currency will increase.  Conversely, if the value of a foreign currency declines
against the value of the U.S.  dollar,  the value of such fund  investments will
decrease.  These  changes  may have a  significant  impact  on the value of fund
shares. In some instances, a fund may use derivative strategies to hedge against
changes  in  foreign   currency  value.   (See   "Strategies   Using  Derivative
Instruments"  below.) However,  opportunities to hedge against currency risk may
not exist in certain  markets,  particularly  with  respect to  emerging  market
currencies,  and even when appropriate  hedging  opportunities are available,  a
fund may choose not to hedge against currency risk.

      Generally,  currency exchange rates are determined by supply and demand in
the foreign exchange markets and the relative merits of investments in different
countries. In the case of those European countries that use the Euro as a common
currency unit, the relative  merits of investments in the common market in which
they  participate,  rather  than the  merits of  investments  in the  individual
country,  will be a determinant of currency  exchange rates.  Currency  exchange
rates  also  can  be  affected  by the  intervention  of the  U.S.  and  foreign
governments or central banks, the imposition of currency controls,  speculation,
devaluation or other political or economic  developments  inside and outside the
United States.

      Each fund  values its assets  daily in U.S.  dollars,  and funds that hold
foreign  currencies  do not  intend to convert  them to U.S.  dollars on a daily
basis.  These funds may convert  foreign  currency to U.S.  dollars from time to
time. A fund's foreign currencies may at times be held as "foreign currency call
accounts" at foreign branches of foreign or domestic banks.  These accounts bear
interest  at  negotiated  rates and are payable  upon  relatively  short  demand
periods.  If a bank became insolvent,  a fund could suffer a loss of some or all
of the amounts deposited.

      The U.S.  dollar  value of fund  assets  that are  denominated  in foreign
currencies may be affected  favorably or unfavorably by fluctuations in currency
rates and  exchange  control  regulations.  Further,  a fund may incur  costs in
connection  with  conversions  between  various  currencies.  Currency  exchange
dealers  realize a profit  based on the  difference  between the prices at which
they are buying and selling  various  currencies.  Thus, a dealer  normally will
offer to sell a foreign  currency to a fund at one rate, while offering a lesser
rate of exchange should a fund desire immediately to resell that currency to the
dealer. Funds that conduct currency exchange transactions do so either on a spot
(i.e.,  cash) basis at the spot rate prevailing in the foreign currency exchange
market,  or through  entering  into  forward,  futures or options  contracts  to
purchase or sell foreign currencies.

      EMERGING  MARKET  INVESTMENTS.  The special  risks of investing in foreign
securities are heightened in emerging markets. For example, many emerging market
currencies have experienced significant devaluations relative to the U.S. dollar
in recent years. Emerging market countries typically have economic and political
systems that are less fully developed and can be expected to be less stable than
those of developed  countries.  Emerging market countries may have policies that
restrict  investment  by  foreigners,  and there is a higher risk of  government


                                       13
<PAGE>

expropriation or nationalization of private property.  The possibility of low or
nonexistent  trading volume in the  securities of companies in emerging  markets
also may  result in a lack of  liquidity  and in price  volatility.  Issuers  in
emerging markets typically are subject to a greater degree of change in earnings
and business prospects than are companies in more developed markets.

      INVESTMENT  AND  REPATRIATION  RESTRICTIONS.  Foreign  investment  in  the
securities  markets  of several  emerging  market  countries  is  restricted  or
controlled to varying degrees.  These restrictions may limit a fund's investment
in these countries and may increase its expenses. For example, certain countries
may require  governmental  approval prior to investments by foreign persons in a
particular  company or industry sector or limit investment by foreign persons to
only  a  specific  class  of  securities  of a  company,  which  may  have  less
advantageous  terms (including  price) than securities of the company  available
for purchase by nationals. Certain countries may restrict or prohibit investment
opportunities in issuers or industries  deemed important to national  interests.
In addition,  the  repatriation of both investment  income and capital from some
emerging  market  countries  is  subject to  restrictions,  such as the need for
certain  government  consents.  Even where there is no outright  restriction  on
repatriation  of capital,  the  mechanics  of  repatriation  may affect  certain
aspects of a fund's operations.  These restrictions could make it undesirable to
invest  in the  countries  to  which  they  apply.  In  addition,  if there is a
deterioration in a country's balance of payments or for other reasons, a country
may impose  restrictions on foreign capital  remittances abroad. A fund could be
adversely   affected  by  delays  in,  or  a  refusal  to  grant,  any  required
governmental  approval for repatriation,  as well as by the application to it of
other restrictions on investments.

      If, because of restrictions  on  repatriation  or conversion,  a fund were
unable to distribute  substantially all of its net investment income and capital
gains  within  applicable  time  periods,  the fund  could be subject to federal
income and excise taxes that would not  otherwise be incurred and could cease to
qualify  for the  favorable  tax  treatment  afforded  to  regulated  investment
companies  under the Internal  Revenue Code. If it did cease to qualify for that
treatment,  it would become  subject to federal  income tax on all of its income
and net gains. See "Taxes -- Qualification as a Regulated  Investment  Company,"
below.

      SOCIAL, POLITICAL AND ECONOMIC FACTORS. Many emerging market countries may
be subject to a greater  degree of social,  political  and economic  instability
than is the case in the United States.  Any change in the leadership or policies
of these  countries may halt the expansion of or reverse any  liberalization  of
foreign  investment  policies now occurring.  Such  instability may result from,
among other things,  the following:  (1)  authoritarian  governments or military
involvement in political and economic decision making, and changes in government
through  extra-constitutional  means; (2) popular unrest associated with demands
for  improved   political,   economic  and  social   conditions;   (3)  internal
insurgencies;  (4) hostile relations with neighboring countries; and (5) ethnic,
religious  and  racial  disaffection.   Such  social,   political  and  economic
instability could significantly disrupt the financial markets in those countries
and  elsewhere  and could  adversely  affect  the value of a fund's  assets.  In
addition,  there  may be the  possibility  of  asset  expropriations  or  future
confiscatory levels of taxation affecting a fund.

      The  economies  of  many  emerging  markets  are  heavily  dependent  upon
international  trade and are accordingly  affected by protective  trade barriers
and the economic  conditions of their trading  partners,  principally the United
States,  Japan, China and the European Union. The enactment by the United States
or  other  principal  trading  partners  of  protectionist   trade  legislation,
reduction of foreign  investment in the local economies and general  declines in
the  international  securities  markets could have a significant  adverse effect
upon the securities  markets of these countries.  In addition,  the economies of
some  countries are  vulnerable to weakness in world prices for their  commodity
exports,  including crude oil. A country whose exports are concentrated in a few
commodities could be vulnerable to a decline in the international  price of such
commodities.

      FINANCIAL  INFORMATION  AND LEGAL  STANDARDS.  Issuers in emerging  market
countries generally are subject to accounting,  auditing and financial standards
and requirements that differ, in some cases significantly, from those applicable
to U.S.  issuers.  In  particular,  the  assets  and  profits  appearing  on the
financial  statements of an emerging market issuer may not reflect its financial
position or results of  operations  in the way they would be  reflected  had the
financial  statements been prepared in accordance with U.S.  generally  accepted
accounting principles.  In addition, for an issuer that keeps accounting records
in local  currency,  inflation  accounting  rules may require,  for both tax and


                                       14
<PAGE>

accounting  purposes,  that certain  assets and  liabilities  be restated on the
issuer's  balance  sheet in  order to  express  items  in terms of  currency  of
constant purchasing power.  Inflation  accounting may indirectly generate losses
or  profits.  Consequently,   financial  data  may  be  materially  affected  by
restatements for inflation and may not accurately  reflect the real condition of
those issuers and securities  markets.  Also,  securities brokers and dealers in
other countries may not be as well capitalized as those in the United States, so
that  they  are more  susceptible  to  financial  failure  in  times of  market,
political or economic stress.

      In  addition,  existing  laws and  regulations  are  often  inconsistently
applied.  As legal  systems in some of the emerging  market  countries  develop,
foreign investors may be adversely affected by new laws and regulations, changes
to existing laws and regulations and preemption of local laws and regulations by
national  laws.  In  circumstances  where  adequate  laws  exist,  it may not be
possible to obtain swift and equitable enforcement of the law.

      FOREIGN  SOVEREIGN DEBT.  Sovereign debt includes bonds that are issued by
foreign   governments  or  their   agencies,   instrumentalities   or  political
subdivisions or by foreign  central banks.  Sovereign debt also may be issued by
quasi-governmental  entities that are owned by foreign  governments  but are not
backed by their full faith and credit or general  taxing  powers.  Investment in
sovereign  debt  involves   special  risks.  The  issuer  of  the  debt  or  the
governmental authorities that control the repayment of the debt may be unable or
unwilling to repay  principal  and/or  interest when due in accordance  with the
terms of such debt,  and the funds may have limited legal  recourse in the event
of a default.

      Sovereign debt differs from debt obligations issued by private entities in
that,  generally,  remedies  for  defaults  must be pursued in the courts of the
defaulting party.  Legal recourse is therefore  somewhat  diminished.  Political
conditions, especially a sovereign entity's willingness to meet the terms of its
debt  obligations,  are of  considerable  significance.  Also,  there  can be no
assurance that the holders of commercial  bank debt issued by the same sovereign
entity may not contest payments to the holders of sovereign debt in the event of
default under commercial bank loan agreements.

      A  sovereign  debtor's  willingness  or  ability  to repay  principal  and
interest due in a timely  manner may be affected by,  among other  factors,  its
cash flow situation,  the extent of its foreign  reserves,  the  availability of
sufficient  foreign  exchange on the date a payment is due, the relative size of
the debt service burden to the economy as a whole, the sovereign debtor's policy
toward principal  international lenders and the political constraints to which a
sovereign  debtor may be subject.  A country whose exports are concentrated in a
few commodities could be vulnerable to a decline in the  international  price of
such  commodities.  Increased  protectionism on the part of a country's  trading
partners,  or political changes in those countries,  could also adversely affect
its exports.  Such events could diminish a country's trade account  surplus,  if
any, or the credit standing of a particular local government or agency.  Another
factor bearing on the ability of a country to repay  sovereign debt is the level
of the  country's  international  reserves.  Fluctuations  in the level of these
reserves  can  affect  the  amount of foreign  exchange  readily  available  for
external debt payments  and,  thus,  could have a bearing on the capacity of the
country to make payments on its sovereign debt.

      The occurrence of political,  social or diplomatic  changes in one or more
of the  countries  issuing  sovereign  debt  could  adversely  affect the funds'
investments.  Political  changes  or a  deterioration  of a  country's  domestic
economy or balance of trade may affect the  willingness  of countries to service
their sovereign debt.  While the funds'  portfolios are managed in a manner that
is intended to minimize  the  exposure to such risks,  there can be no assurance
that  adverse  political  changes  will  not  cause a fund to  suffer  a loss of
interest or principal on any of its sovereign debt holdings.

      Certain  emerging  market  countries  are among  the  largest  debtors  to
commercial  banks and foreign  governments.  Some emerging market countries have
from time to time declared moratoria on the payment of principal and interest on
external debt.

      Some emerging market  countries have  experienced  difficulty in servicing
their  sovereign  debt on a  timely  basis  which  led to  defaults  on  certain
obligations  and  the  restructuring  of  certain  indebtedness.   Restructuring


                                       15
<PAGE>

arrangements  have  included,  among other  things,  reducing  and  rescheduling
interest and principal  payments by negotiating new or amended credit agreements
or  converting   outstanding  principal  and  unpaid  interest  to  Brady  Bonds
(discussed  below),  and  obtaining  new  credit to finance  interest  payments.
Holders of sovereign debt,  including the funds, may be requested to participate
in the  rescheduling  of such  debt and to  extend  further  loans to  sovereign
debtors.  The interests of holders of sovereign debt could be adversely affected
in the course of restructuring arrangements or by certain other factors referred
to below.  Furthermore,  some of the  participants  in the secondary  market for
sovereign debt may also be directly  involved in negotiating  the terms of these
arrangements  and may,  therefore,  have access to information  not available to
other  market   participants.   Obligations   arising  from  past  restructuring
agreements  may  affect  the  economic  performance  and  political  and  social
stability  of  certain  issuers  of  sovereign  debt.  There  is  no  bankruptcy
proceeding  by which  sovereign  debt on which a sovereign  has defaulted may be
collected in whole or in part.

      Foreign  investment in certain  sovereign debt is restricted or controlled
to  varying  degrees.  These  restrictions  or  controls  may at times  limit or
preclude  foreign  investment in such  sovereign debt and increase the costs and
expenses  of a fund.  Certain  countries  in  which a fund  may  invest  require
governmental approval prior to investments by foreign persons,  limit the amount
of investment by foreign persons in a particular issuer, limit the investment by
foreign  persons only to a specific  class of  securities  of an issuer that may
have less  advantageous  rights  than the  classes  available  for  purchase  by
domiciliaries of the countries or impose additional taxes on foreign  investors.
Certain  issuers may  require  governmental  approval  for the  repatriation  of
investment  income,  capital or the proceeds of sales of  securities  by foreign
investors.  In addition,  if a  deterioration  occurs in a country's  balance of
payments the country  could impose  temporary  restrictions  on foreign  capital
remittances.  A fund could be  adversely  affected by delays in, or a refusal to
grant, any required  governmental  approval for repatriation of capital, as well
as by the application to the fund of any restrictions on investments.  Investing
in local  markets may  require a fund to adopt  special  procedures,  seek local
government approvals or take other actions, each of which may involve additional
costs to the fund.

      BRADY BONDS.  Brady Bonds are sovereign debt  securities  issued under the
framework of the Brady Plan,  an  initiative  announced by former U.S.  Treasury
Secretary  Nicholas  F.  Brady in 1989 as a  mechanism  for  debtor  nations  to
restructure  their  outstanding   external  commercial  bank  indebtedness.   In
restructuring its external debt under the Brady Plan framework,  a debtor nation
negotiates with its existing bank lenders as well as  multilateral  institutions
such as the International  Monetary Fund, ("IMF"). The Brady Plan framework,  as
it has developed,  contemplates  the exchange of commercial  bank debt for newly
issued Brady Bonds. Brady Bonds may also be issued in respect of new money being
advanced by existing  lenders in  connection  with the debt  restructuring.  The
World Bank and the IMF support the  restructuring by providing funds pursuant to
loan  agreements  or other  arrangements  which  enable  the  debtor  nation  to
collateralize  the new Brady Bonds or to repurchase  outstanding  bank debt at a
discount.

      Brady Bonds do not have a long  payment  history.  Agreements  implemented
under the Brady  Plan to date are  designed  to  achieve  debt and  debt-service
reduction  through  specific  options  negotiated  by a debtor  nation  with its
creditors.  As a result,  the financial packages offered by each country differ.
The types of options have included the exchange of outstanding  commercial  bank
debt  for  bonds  issued  at 100% of face  value  of such  debt,  which  carry a
below-market  stated rate of  interest  (generally  known as par  bonds),  bonds
issued  at a  discount  from the face  value of such  debt  (generally  known as
discount  bonds),  bonds bearing an interest rate which  increases over time and
bonds issued in exchange for the  advancement of new money by existing  lenders.
Regardless  of the stated  face amount and stated  interest  rate of the various
types of Brady Bonds,  a fund will  purchase  Brady Bonds in which the price and
yield to the investor reflect market conditions at the time of purchase.

      Certain  Brady  Bonds  have been  collateralized  as to  principal  due at
maturity by U.S.  Treasury zero coupon bonds with maturities  equal to the final
maturity of such Brady Bonds.  Collateral purchases are financed by the IMF, the
World  Bank and the debtor  nations'  reserves.  In the event of a default  with
respect  to  collateralized  Brady  Bonds  as a  result  of  which  the  payment
obligations  of the  issuer  are  accelerated,  the U.S.  Treasury  zero  coupon
obligations  held as  collateral  for  the  payment  of  principal  will  not be
distributed  to investors,  nor will such  obligations  be sold and the proceeds
distributed.  The  collateral  will be held by the  collateral  agent  until the
scheduled  maturity of the  defaulted  Brady  Bonds,  which will  continue to be
outstanding,  at which  time the face  amount of the  collateral  will equal the
principal  payments  that  would  have then  been due on the Brady  Bonds in the
normal course.  Interest payments on Brady Bonds may be wholly  uncollateralized
or may be  collateralized  by cash or high  grade  securities  in  amounts  that


                                       16
<PAGE>

typically  represent  between  12 and 18 months of  interest  accruals  on these
instruments, with the balance of the interest accruals being uncollateralized.

      Brady Bonds are often viewed as having several valuation  components:  (1)
the collateralized  repayment of principal,  if any, at final maturity,  (2) the
collateralized  interest  payments,  if any, (3) the  uncollateralized  interest
payments and (4) any uncollateralized  repayment of principal at maturity (these
uncollateralized  amounts  constitute  the  "residual  risk").  In  light of the
residual risk of Brady Bonds and, among other  factors,  the history of defaults
with  respect  to  commercial  bank  loans by public  and  private  entities  of
countries  issuing Brady Bonds,  investments  in Brady Bonds are to be viewed as
speculative.   A  fund   may   purchase   Brady   Bonds   with  no  or   limited
collateralization,  and will be relying for  payment of interest  and (except in
the  case of  principal  collateralized  Brady  Bonds)  repayment  of  principal
primarily  on the  willingness  and  ability of the foreign  government  to make
payment in accordance with the terms of the Brady Bonds.

      STRUCTURED FOREIGN INVESTMENTS. This term generally refers to interests in
U.S.  and foreign  entities  organized  and  operated  solely for the purpose of
securitizing  or  restructuring  the  investment   characteristics   of  foreign
securities.  This type of securitization  or restructuring  usually involves the
deposit with or purchase by a U.S. or foreign  entity,  such as a corporation or
trust, of specified  instruments  (such as commercial bank loans or Brady Bonds)
and the issuance by that entity of one or more classes of securities  backed by,
or representing interests in, the underlying  instruments.  The cash flow on the
underlying  instruments  may be  apportioned  among the newly issued  structured
foreign   investments   to   create   securities   with   different   investment
characteristics such as varying maturities, payment priorities and interest rate
provisions,  and the extent of the  payments  made with  respect  to  structured
foreign  investments  is often  dependent  on the extent of the cash flow on the
underlying instruments.

      Structured foreign  investments  frequently involve no credit enhancement.
Accordingly,  their  credit risk  generally  will be  equivalent  to that of the
underlying instruments.  In addition,  classes of structured foreign investments
may be  subordinated  to the right of  payment of  another  class.  Subordinated
structured foreign investments  typically have higher yields and present greater
risks that  unsubordinated  structured foreign  investments.  Structured foreign
investments  are typically  sold in private  placement  transactions,  and there
currently is no active trading market for structured foreign investments.

      CURRENCY-LINKED  INVESTMENTS.  The principal amount of securities that are
indexed to specific foreign  currency  exchange rates may be adjusted up or down
(but not below zero) at maturity to reflect changes in the exchange rate between
two  currencies.   A  fund  may  experience  loss  of  principal  due  to  these
adjustments.

      ZERO  COUPON  AND  OTHER  OID  SECURITIES;  PIK  SECURITIES.  Zero  coupon
securities  are securities on which no periodic  interest  payments are made but
instead are issued at a deep discount from their  maturity  value.  The buyer of
these  securities  receives a rate of return by the gradual  appreciation of the
security,  which  results  from the fact that it will be paid at face value on a
specified  maturity date. There are many types of zero coupon  securities.  Some
are issued in zero coupon form,  including  Treasury bills, notes and bonds that
have  been  stripped  of  (separated  from)  their  unmatured  interest  coupons
(unmatured   interest  payments)  and  receipts  or  certificates   representing
interests in such stripped debt  obligations and coupons.  Others are created by
brokerage firms that strip the coupons from  interest-paying debt securities and
sell the principal and the coupons separately.

      Other securities that are sold with original issue discount ("OID") (i.e.,
the  difference  between the issue price and the value at maturity)  may provide
for some  interest to be paid prior to maturity.  In  addition,  payment-in-kind
("PIK") securities pay interest in additional  securities,  not in cash. OID and
PIK securities usually trade at a discount from their face value.

      Zero coupon securities are generally more sensitive to changes in interest
rates than debt obligations of comparable  maturities that make current interest
payments.  This means that when  interest  rates fall,  the value of zero coupon
securities  rises more  rapidly  than  securities  paying  interest on a current
basis.  However,  when interest rates rise, their value falls more dramatically.
Other OID securities and PIK securities also are subject to greater fluctuations
in market value in response to changing  interest rates than debt  securities of
comparable maturities that make current distributions of interest in cash.



                                       17
<PAGE>

      Because  federal tax law requires  that accrued OID and  "interest" on PIK
securities be included currently in a fund's income (see "Taxes," below), a fund
might be required to distribute as a dividend an amount that is greater than the
total amount of cash it actually receives.  These distributions would have to be
made from the fund's cash assets or, if necessary, from the proceeds of sales of
portfolio securities. A fund would not be able to purchase additional securities
with cash used to make these distributions, and its current income and the value
of its shares would ultimately be reduced as a result.

      Certain zero coupon securities are U.S. Treasury notes and bonds that have
been  stripped of their  unmatured  coupons or interests  in such U.S.  Treasury
securities or coupons.  The staff of the SEC  currently  takes the position that
"stripped"  U.S.  government  securities  that are not issued  through  the U.S.
Treasury are not U.S. government  securities.  This technique is frequently used
with U.S.  Treasury  bonds to  create  CATS  (Certificate  of  Accrual  Treasury
Securities),  TIGRs (Treasury Income Growth Receipts) and similar securities. As
long as the SEC takes  this  position,  CATS and  TIGRs,  which  are not  issued
through the U.S. Treasury, will not be counted as U.S. government securities for
purposes of the 65% investment  requirement applicable to U.S. Government Income
Fund and Low Duration Fund.

      CONVERTIBLE SECURITIES.  A convertible security is a bond, preferred stock
or other  security  that may be  converted  into or  exchanged  for a prescribed
amount of common  stock of the same or a different  issuer  within a  particular
period of time at a specified price or formula. A convertible  security entitles
the holder to receive  interest  or  dividends  until the  convertible  security
matures or is redeemed,  converted or  exchanged.  Convertible  securities  have
unique investment  characteristics in that they generally (1) have higher yields
than common stocks, but lower yields than comparable non-convertible securities,
(2) are less subject to fluctuation  in value than the underlying  stock because
they have fixed income characteristics and (3) provide the potential for capital
appreciation if the market price of the underlying common stock increases. While
no  securities  investment  is without  some risk,  investments  in  convertible
securities  generally entail less risk than the issuer's common stock.  However,
the  extent to which  such risk is reduced  depends  in large  measure  upon the
degree to which the convertible security sells above its value as a fixed income
security.

      A  convertible  security may be subject to redemption at the option of the
issuer  at  a  price  established  in  the  convertible   security's   governing
instrument.  If a convertible  security held by a fund is called for redemption,
the fund will be required to permit the issuer to redeem the  security,  convert
it into the  underlying  common  stock or sell it to a third  party.  Investment
Grade Income Fund may convert  convertible  securities  into equity and hold the
equity  securities  that it so acquires,  but only for temporary  purposes.  The
other  funds  that may  invest in  convertible  securities  may hold any  equity
securities  they acquire upon  conversion  subject only to their  limitations on
holding equity securities.

      LOAN  PARTICIPATIONS AND ASSIGNMENTS.  Investments in secured or unsecured
fixed or floating rate loans ("Loans")  arranged  through  private  negotiations
between a  borrowing  corporation,  government  or other  entity and one or more
financial  institutions  ("Lenders")  may  be  in  the  form  of  participations
("Participations")  in Loans or assignments  ("Assignments") of all or a portion
of Loans  from  third  parties.  Participations  typically  result in the fund's
having a contractual relationship only with the Lender, not with the borrower. A
fund has the right to receive  payments of  principal,  interest and any fees to
which it is entitled  only from the Lender  selling the  Participation  and only
upon receipt by the Lender of the payments from the borrower. In connection with
purchasing  Participations,  a fund  generally  has no direct  right to  enforce
compliance by the borrower with the terms of the loan agreement  relating to the
Loan,  nor any  rights  of  set-off  against  the  borrower,  and a fund may not
directly  benefit  from  any  collateral  supporting  the  Loan in  which it has
purchased the Participation. As a result, a fund assumes the credit risk of both
the borrower and the Lender that is selling the  Participation.  In the event of
the  insolvency  of the  selling  Lender,  the fund may be  treated as a general
creditor of that Lender and may not benefit from any set-off  between the Lender
and the borrower.  A fund will acquire  Participations only if Mitchell Hutchins
determines that the selling Lender is creditworthy.

      When a fund purchases  Assignments from Lenders, it acquires direct rights
against the  borrower  on the Loan.  In an  Assignment,  the fund is entitled to
receive payments directly from the borrower and,  therefore,  does not depend on
the  selling  bank to pass  these  payments  onto  the  fund.  However,  because
Assignments  are  arranged  through  private   negotiations   between  potential
assignees and assignors,  the rights and obligations acquired by the fund as the


                                       18
<PAGE>

purchaser of an Assignment may differ from, and be more limited than, those held
by the assigning Lender.

      Assignments  and  Participations  are generally not  registered  under the
Securities Act of 1933, as amended  ("Securities  Act"), and thus may be subject
to a fund's limitation on investment in illiquid  securities.  Because there may
be no liquid market for such  securities,  such securities may be sold only to a
limited number of institutional investors. The lack of a liquid secondary market
could have an  adverse  impact on the value of such  securities  and on a fund's
ability to dispose of particular Assignments or Participations when necessary to
meet the fund's  liquidity  needs or in response to a specific  economic  event,
such as a deterioration in the creditworthiness of the borrower.

      TEMPORARY AND DEFENSIVE INVESTMENTS;  MONEY MARKET INVESTMENTS.  Each fund
may invest in money market investments for temporary or defensive  purposes,  to
reinvest cash  collateral from its securities  lending  activities or as part of
its normal investment program. Such investments include, among other things, (1)
securities issued or guaranteed by the U.S. government or one of its agencies or
instrumentalities,  (2)  commercial  paper  rated at least  A-1 by S&P or P-1 by
Moody's (Low Duration  Fund,  Investment  Grade Income Fund and U.S.  Government
Income Fund) or without regard to rating (High Income Fund and Strategic  Income
Fund), (3) bank certificates of deposit and bankers' acceptances; (4) repurchase
agreements;  and (5)  securities  of  other  investment  companies  that  invest
exclusively in money market instruments and similar private investment vehicles.

      WARRANTS. Warrants are securities permitting, but not obligating,  holders
to subscribe for other securities.  Warrants do not carry with them the right to
dividends  or voting  rights with  respect to the  securities  that they entitle
their holder to purchase,  and they do not represent any rights in the assets of
the issuer.  As a result,  warrants  may be  considered  more  speculative  than
certain other types of investments. In addition, the value of a warrant does not
necessarily  change with the value of the underlying  securities,  and a warrant
ceases to have value if it is not exercised prior to its expiration date.

      ILLIQUID  SECURITIES.  The term "illiquid  securities" for purposes of the
Prospectus and SAI 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,   purchased
over-the-counter options, repurchase agreements maturing in more than seven days
and  restricted  securities  other  than  those  Mitchell  Hutchins  (or for Low
Duration Fund the  sub-adviser) has determined are liquid pursuant to guidelines
established by each fund's board. The assets used as cover for  over-the-counter
options   written   by  a  fund  will  be   considered   illiquid   unless   the
over-the-counter  options are sold to qualified dealers that agree that the fund
may repurchase any  over-the-counter  options it writes at a maximum price to be
calculated  by a formula  set forth in the option  agreements.  The cover for an
over-the-counter  option written  subject to this procedure  would be considered
illiquid only to the extent that the maximum  repurchase price under the formula
exceeds  the  intrinsic  value of the  option.  Under  current  SEC  guidelines,
interest only and principal only classes of mortgage-backed securities generally
are considered  illiquid.  However,  interest only and principal only classes of
fixed-rate  mortgage-backed  securities issued by the U.S.  government or one of
its agencies or  instrumentalities  will not be considered  illiquid if Mitchell
Hutchins (or for Low Duration Fund the sub-adviser) has determined that they are
liquid  pursuant to guidelines  established by the applicable  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 and may
be sold only in privately  negotiated or other exempted  transactions or after a
Securities Act registration  statement 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 a 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.  If a fund that may invest
outside the United States holds foreign  securities that are freely tradeable in
the country in which they are principally traded, those securities generally are


                                       19
<PAGE>

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

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

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

      Mitchell  Hutchins  (and for Low Duration Fund the  sub-adviser)  monitors
each fund's overall  holdings of illiquid  securities.  If a fund's  holdings of
illiquid securities exceeds its limitation on investments in illiquid securities
for any reason  (such as a particular  security  becoming  illiquid,  changes in
relative  market  values  of  liquid  and  illiquid   portfolio   securities  or
shareholder  redemptions),  Mitchell  Hutchins  (and for Low  Duration  Fund the
sub-adviser) will consider what action would be in the best interest 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  immediately to dispose of illiquid  securities under these
circumstances and Mitchell Hutchins (and for Low Duration Fund the sub-adviser),
with the  concurrence of the fund's board,  may determine that it is in the best
interests  of the fund and its  shareholders  to continue  to hold the  illiquid
securities.

      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.
A  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 a 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.  Each fund intends to
enter  into  repurchase  agreements  only with  counterparties  in  transactions


                                       20
<PAGE>

believed by Mitchell  Hutchins (or for Low  Duration  Fund the  sub-adviser)  to
present minimum credit risks.

      REVERSE REPURCHASE  AGREEMENTS.  Reverse repurchase agreements involve the
sale of securities held by a fund subject to the fund's  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 each
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 that 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  that  fund's
obligation to repurchase the  securities,  and the fund's use of the proceeds of
the reverse  repurchase  agreement may  effectively  be restricted  pending such
decision.

      WHEN-ISSUED  AND  DELAYED  DELIVERY  SECURITIES.  Each  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 a
normal  settlement  date at a stated  price and  yield.  When-issued  securities
include  TBA  ("to  be  announced")  securities.   TBA  securities  are  usually
mortgage-backed securities that are purchased on a forward commitment basis with
an  approximate  principal  amount  and no  defined  maturity  date.  The actual
principal  amount and maturity  date are  determined  upon  settlement  when the
specific  mortgage pools are assigned.  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. A fund may sell the right to acquire the security prior to delivery if
Mitchell  Hutchins  (or  for  Low  Duration  Fund  the  sub-adviser)   deems  it
advantageous to do so, which may result in a gain or loss to the fund.

      DOLLAR ROLLS. In a dollar roll, a fund sells TBA  mortgage-backed or other
securities for delivery on the next regular settlement date for those securities
and, simultaneously,  contracts to purchase substantially similar securities for
delivery on a later settlement  date.  Dollar rolls also are subject to a fund's
limitation on borrowings.

      DURATION.  Duration  is a  measure  of the  expected  life  of a bond on a
present value basis.  Duration  incorporates  the bond's yield,  coupon interest
payments,  final  maturity and call  features into one measure and is one of the
fundamental  tools used by  Mitchell  Hutchins  (and for Low  Duration  Fund the
sub-adviser)  in portfolio  selection and yield curve  positioning  for a fund's
bond  investments.  Duration was developed as a more precise  alternative to the
concept "term to maturity." Traditionally,  a bond's "term to maturity" has been
used as a proxy  for the  sensitivity  of the  security's  price to  changes  in
interest  rates  (which  is the  "interest  rate  risk" or  "volatility"  of the
security).  However,  "term  to  maturity"  measures  only the  time  until  the
scheduled  final  payment  on the bond,  taking no  account  of the  pattern  of
payments prior to maturity.

      Duration takes the length of the time  intervals  between the present time
and the time that the interest and  principal  payments are scheduled or, in the
case of a callable  bond,  expected to be made,  and weights them by the present
values of the cash to be  received at each  future  point in time.  For any bond
with interest payments occurring prior to the payment of principal,  duration is


                                       21
<PAGE>

always less than maturity. For example, depending on its coupon and the level of
market  yields,  a Treasury  note with a remaining  maturity of five years might
have a duration of 4.5 years. For  mortgage-backed and other securities that are
subject  to  prepayments,  put or  call  features  or  adjustable  coupons,  the
difference  between the remaining  stated maturity and the duration is likely to
be much greater.

      Duration  allows   Mitchell   Hutchins  (or  for  Low  Duration  Fund  the
sub-adviser)  to make certain  predictions  as to the effect that changes in the
level of interest  rates will have on the value of a fund's  portfolio of bonds.
For example,  when the level of interest rates  increases by 1%, a bond having a
positive  duration of three years generally will decrease by  approximately  3%.
Thus, if Mitchell Hutchins (or for Low Duration Fund the sub-adviser) calculates
the duration of a fund's  portfolio of bonds as three years,  it normally  would
expect the portfolio to change in value by  approximately 3% for every 1% change
in the level of interest rates.  However,  various  factors,  such as changes in
anticipated prepayment rates,  qualitative  considerations and market supply and
demand,  can cause  particular  securities to respond  somewhat  differently  to
changes in interest rates than indicated in the above example.  Moreover, in the
case of mortgage-backed and other complex securities,  duration calculations are
estimates  and are not  precise.  This is  particularly  true during  periods of
market  volatility.  Accordingly,  the net asset value of a fund's  portfolio of
bonds may vary in relation to interest  rates by a greater or lesser  percentage
than indicated by the above example.

      Futures,  options and options on futures have durations  that, in general,
are  closely  related to the  duration of the  securities  that  underlie  them.
Holding long futures or call option positions will lengthen  portfolio  duration
by  approximately  the same amount as would holding an equivalent  amount of the
underlying securities. Short futures or put options have durations roughly equal
to the negative  duration of the securities that underlie these  positions,  and
have the effect of reducing  portfolio duration by approximately the same amount
as would selling an equivalent amount of the underlying securities.

      There are some situations in which the standard duration  calculation does
not properly  reflect the  interest  rate  exposure of a security.  For example,
floating and variable rate securities often have final maturities of ten or more
years; however, their interest rate exposure corresponds to the frequency of the
coupon reset.  Another  example where the interest rate exposure is not properly
captured by the standard  duration  calculation  is the case of  mortgage-backed
securities.  The stated final maturity of such securities is generally 30 years,
but  current  prepayment  rates are  critical  in  determining  the  securities'
interest rate exposure. In these and other similar situations, Mitchell Hutchins
(or  for  Low  Duration  Fund  the  sub-adviser)  will  use  more  sophisticated
analytical  techniques that incorporate the economic life of a security into the
determination of its duration and, therefore, its interest rate exposure.

      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 that 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
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. A fund will receive amounts equivalent to any dividends, interest 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.



                                       22
<PAGE>

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

      SHORT  SALES  "AGAINST  THE BOX." Each fund may  engage in short  sales of
securities  it owns  or has the  right  to  acquire  at no  added  cost  through
conversion  or exchange of other  securities  it owns (short sales  "against the
box").  To make delivery to the purchaser in a short sale, the executing  broker
borrows the  securities  being sold short on behalf of a fund,  and that fund is
obligated  to replace the  securities  borrowed at a date in the future.  When a
fund sells short, it establishes a margin account with the broker  effecting the
short sale and  deposits  collateral  with the  broker.  In  addition,  the fund
maintains, in a segregated account with its custodian, the securities that could
be used to cover the short sale. Each fund incurs transaction  costs,  including
interest  expense,  in connection  with opening,  maintaining  and closing short
sales "against the box."

      A fund might make a short sale "against the box" to hedge  against  market
risks when Mitchell Hutchins (or for Low Duration Fund the sub-adviser) believes
that the price of a security may decline, thereby causing a decline in the value
of a security owned by the fund or a security  convertible  into or exchangeable
for a  security  owned by the fund.  In such case,  any loss in the fund's  long
position after the short sale should be reduced by a  corresponding  gain in the
short position.  Conversely,  any gain in the long position after the short sale
should be reduced by a corresponding  loss in the short position.  The extent to
which  gains or losses in the long  position  are  reduced  will depend upon the
amount of the  securities  sold short relative to the amount of the securities a
fund owns,  either  directly or indirectly,  and in the case where the fund owns
convertible securities,  changes in the investment values or conversion premiums
of such securities.

      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 the  fund's  obligation  or  commitment  under  such
transactions.   As   described   below  under   "Strategies   Using   Derivative
Instruments,"  segregated  accounts  may also be  required  in  connection  with
certain transactions involving options,  futures, forward currency contracts and
swaps.

      INVESTMENTS  IN  OTHER  INVESTMENT  COMPANIES.  Each  fund may  invest  in
securities of other investment companies,  subject to limitations imposed by the
Investment  Company Act of 1940, as amended  ("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  investment  in certain  private  investment  vehicles are not
subject  to this  restriction.  The  shares of other  investment  companies  are
subject to the management  fees and other expenses of those  companies,  and the
purchase of shares of some  investment  companies  requires the payment of sales
loads and (in the case of closed-end investment companies) sometimes substantial
premiums above the value of such companies'  portfolio  securities.  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 investment companies.

INVESTMENT LIMITATIONS OF THE FUNDS

      FUNDAMENTAL LIMITATIONS.  The following fundamental investment limitations
cannot be changed for 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 of the fund  present at a  shareholders'  meeting if more than 50% of the
outstanding  shares are  represented at the meeting in person or by proxy.  If a
percentage   restriction  is  adhered  to  at  the  time  of  an  investment  or
transaction,  later changes in percentage  resulting  from a change in values of
portfolio  securities  or  amount  of  total  assets  will not be  considered  a
violation of any of the  following  limitations.  With regard to the  borrowings
limitation  in  fundamental  limitation  (2),  each  fund will  comply  with the
applicable restrictions of Section 18 of the Investment Company Act.



                                       23
<PAGE>

      Each fund will not:

      (1) purchase any security if, as a result of that purchase, 25% or more of
the fund's total assets would be invested in securities of issuers  having their
principal business activities in the same industry,  except that this limitation
does not apply to securities  issued or guaranteed by the U.S.  government,  its
agencies or instrumentalities or to municipal  securities,  and except that U.S.
Government Income Fund and Low Duration Fund, under normal  circumstances,  each
will  invest  25% or more of its total  assets  in  mortgage-  and  asset-backed
securities,  which  (whether  or  not  issued  or  guaranteed  by an  agency  or
instrumentality  of the U.S.  government)  shall be considered a single industry
for purposes of this limitation.

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

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

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

      (4) engage in the business of  underwriting  securities of other  issuers,
except to the extent that the fund might be considered an underwriter  under the
federal  securities  laws  in  connection  with  its  disposition  of  portfolio
securities.

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

      (6) purchase or sell physical  commodities  unless acquired as a result of
owning securities or other instruments, but the fund may purchase, sell or enter
into financial options and futures,  forward and spot currency  contracts,  swap
transactions and other financial contracts or derivative instruments.

      In addition,  U.S.  Government Income Fund, Low Duration Fund,  Investment
Grade Income Fund and High Income Fund each will not:

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

      The  following  interpretation  applies  to,  but is not a part  of,  this
fundamental  restriction:  Mortgage-  and  asset-backed  securities  will not be
considered  to have been issued by the same  issuer by reason of the  securities
having the same sponsor,  and mortgage- and asset-backed  securities issued by a
finance or other  special  purpose  subsidiary  that are not  guaranteed  by the
parent  company will be  considered  to be issued by a separate  issuer from the
parent company.



                                       24
<PAGE>

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

      Each fund will not:

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

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

      (3) purchase securities on margin,  except for short-term credit necessary
for clearance of portfolio transactions and except that the fund may make margin
deposits in connection  with its use of financial  options and futures,  forward
and spot currency contracts,  swap transactions and other financial contracts or
derivative instruments.

      (4) engage in short  sales of  securities  or  maintain a short  position,
except that the fund may (a) sell short "against the box" and (b) maintain short
positions in connection with its use of financial  options and futures,  forward
and spot currency contracts,  swap transactions and other financial contracts or
derivative instruments.

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

                   STRATEGIES USING DERIVATIVE INSTRUMENTS

      GENERAL DESCRIPTION OF DERIVATIVE INSTRUMENTS.  Mitchell Hutchins (and for
Low Duration Fund, the sub-adviser)  may use a variety of financial  instruments
("Derivative   Instruments"),   including  certain  options,  futures  contracts
(sometimes referred to as "futures") and options on futures contracts and swaps.
High  Income  Fund and  Strategic  Income  Fund  also may use  forward  currency
contracts.  A fund may enter into  transactions  involving  one or more types of
Derivative  Instruments  under which the full value of its portfolio is at risk.
Under normal  circumstances,  however, each fund's use of these instruments will
place at risk a much smaller portion of its assets. In particular, each fund may
use the Derivative Instruments described below.

      A fund might not use any derivative  instruments or strategies,  and there
can be no  assurance  that using any  strategy  will  succeed.  If the  Mitchell
Hutchins  (or for Low  Duration  Fund  the  sub-adviser),  is  incorrect  in its
judgment on market values,  interest rates or other economic  factors in using a
derivative  instrument  or strategy,  a fund may have lower net income and a net
loss on the investment.

      OPTIONS  ON  SECURITIES  AND  FOREIGN   CURRENCIES--A  call  option  is  a
short-term contract pursuant to which the purchaser of the option, in return for
a premium,  has the right to buy the security or currency  underlying the option
at a specified  price at any time during the term of the option or at  specified
times or at the  expiration  of the  option,  depending  on the  type of  option
involved.  The writer of the call option,  who  receives  the  premium,  has the
obligation,  upon  exercise of the option during the option term, to deliver the
underlying  security or currency  against  payment of the exercise  price. A put
option is a similar contract that gives its purchaser,  in return for a premium,
the right to sell the  underlying  security or  currency  at a  specified  price
during the option term or at specified times or at the expiration of the option,
depending  on the type of option  involved.  The writer of the put  option,  who
receives the premium, has the obligation, upon exercise of the option during the
option term, to buy the underlying security or currency at the exercise price.



                                       25
<PAGE>

      OPTIONS ON SECURITIES  INDICES--A securities index assigns relative values
to the  securities  included  in the index and  fluctuates  with  changes in the
market values of those  securities.  A securities  index option  operates in the
same way as a more  traditional  securities  option,  except that  exercise of a
securities  index  option is  effected  with cash  payment  and does not involve
delivery of securities.  Thus, upon exercise of a securities  index option,  the
purchaser  will  realize,  and the  writer  will  pay,  an  amount  based on the
difference  between the exercise  price and the closing price of the  securities
index.

      SECURITIES INDEX FUTURES CONTRACTS--A securities index futures contract is
a  bilateral  agreement  pursuant to which one party  agrees to accept,  and the
other party  agrees to make,  delivery of an amount of cash equal to a specified
dollar amount times the  difference  between the  securities  index value at the
close of trading of the contract and the price at which the futures  contract is
originally  struck. No physical delivery of the securities  comprising the index
is made. Generally, contracts are closed out prior to the expiration date of the
contract.

      INTEREST RATE AND FOREIGN  CURRENCY FUTURES  CONTRACTS--Interest  rate and
foreign currency futures  contracts are bilateral  agreements  pursuant to which
one party agrees to make,  and the other party  agrees to accept,  delivery of a
specified type of debt security or currency at a specified  future time and at a
specified price.  Although such futures contracts by their terms call for actual
delivery  or  acceptance  of debt  securities  or  currency,  in most  cases the
contracts are closed out before the settlement date without the making or taking
of delivery.

      OPTIONS ON FUTURES  CONTRACTS--Options on futures contracts are similar to
options on securities or currency,  except that an option on a futures  contract
gives the purchaser the right,  in return for the premium,  to assume a position
in a  futures  contract  (a long  position  if the  option is a call and a short
position if the option is a put),  rather than to purchase or sell a security or
currency,  at a  specified  price  at any  time  during  the  option  term or at
specified  times or at the  expiration  of the option,  depending on the type of
option  involved.  Upon  exercise  of the  option,  the  delivery of the futures
position  to the holder of the option  will be  accompanied  by  delivery of the
accumulated  balance that represents the amount by which the market price of the
futures contract exceeds, in the case of a call, or is less than, in the case of
a put, the exercise price of the option on the future.  The writer of an option,
upon  exercise,  will  assume a short  position in the case of a call and a long
position in the case of a put.

      FORWARD  CURRENCY  CONTRACTS--A  forward  currency  contract  involves  an
obligation to purchase or sell a specific  currency at a specified  future date,
which may be any fixed number of days from the contract  date agreed upon by the
parties, at a price set at the time the contract is entered into.

      GENERAL DESCRIPTION OF STRATEGIES USING DERIVATIVE INSTRUMENTS. A fund may
use Derivative Instruments to attempt to hedge its portfolio and also to attempt
to enhance  income or return or realize  gains and to manage the duration of its
portfolio.  A fund may use Derivative  Instruments to maintain exposure to bonds
while  maintaining  a cash  balance  for fund  management  purposes  (such as to
provide  liquidity to meet anticipated  shareholder sales of fund shares and for
fund  operating  expenses),  to facilitate  trading or to adjust its exposure to
different asset classes. High Income Fund and Strategic Income Fund also may use
Derivative Instruments on currencies,  including forward currency contracts,  to
hedge against price changes of securities that a fund owns or intends to acquire
that are  attributable  to changes in the value of the  currencies  in which the
securities are denominated.  These funds may also use Derivative  Instruments on
currencies  to shift  exposure  from one  currency  to  another or to attempt to
realize gains from favorable changes in exchange rates.

      Hedging strategies can be broadly  categorized as "short hedges" and "long
hedges." A short hedge is a purchase or sale of a Derivative Instrument intended
partially  or fully to  offset  potential  declines  in the value of one or more
investments  held in a fund's  portfolio.  Thus, in a short hedge a fund takes a
position  in a  Derivative  Instrument  whose  price is  expected to move in the
opposite  direction of the price of the investment being hedged.  For example, a
fund might  purchase a put option on a  security  to hedge  against a  potential
decline in the value of that  security.  If the price of the  security  declined
below the  exercise  price of the put,  a fund could  exercise  the put and thus
limit its loss below the  exercise  price to the premium  paid plus  transaction
costs. In the  alternative,  because the value of the put option can be expected
to increase as the value of the underlying  security  declines,  a fund might be
able to close out the put option and realize a gain to offset the decline in the
value of the security.



                                       26
<PAGE>

      Conversely,  a long hedge is a purchase or sale of a Derivative Instrument
intended  partially or fully to offset  potential  increases in the  acquisition
cost of one or more investments that a fund intends to acquire.  Thus, in a long
hedge,  a fund  takes a  position  in a  Derivative  Instrument  whose  price is
expected  to  move  in the  same  direction  as  the  price  of the  prospective
investment being hedged.  For example,  a fund might purchase a call option on a
security  it intends to  purchase  in order to hedge  against an increase in the
cost of the security.  If the price of the security increased above the exercise
price of the call, a fund could exercise the call and thus limit its acquisition
cost to the  exercise  price  plus  the  premium  paid  and  transaction  costs.
Alternatively,  a fund might be able to offset the price increase by closing out
an appreciated call option and realizing a gain.

      A fund may purchase and write (sell) straddles on securities or indices of
securities.  A  long  straddle  is a  combination  of a  call  and a put  option
purchased  on the same  security  or on the same  futures  contract,  where  the
exercise  price of the put is equal to the  exercise  price of the call.  A fund
might enter into a long  straddle  when  Mitchell  Hutchins (or for Low Duration
Fund the sub-adviser)  believes it likely that the prices of the securities will
be more volatile during the term of the option than the option pricing  implies.
A short  straddle  is a  combination  of a call  and a put  written  on the same
security  where the exercise  price of the put is equal to the exercise price of
the call. A fund might enter into a short  straddle when  Mitchell  Hutchins (or
for Low Duration Fund the  sub-adviser)  believes it unlikely that the prices of
the securities  will be as volatile  during the term of the option as the option
pricing implies.

      Derivative  Instruments on securities or currencies  generally are used to
hedge against price  movements in one or more  particular  securities  positions
that a fund owns or intends to acquire. Derivative Instruments on stock indices,
in contrast, generally are used to hedge against price movements in broad equity
market  sectors in which a fund has  invested  or expects to invest.  Derivative
Instruments on debt securities may be used to hedge either individual securities
or broad fixed income market sectors.

      Income strategies using Derivative  Instruments may include the writing of
covered  options to obtain the related  option  premiums.  Gain  strategies  may
include using  Derivative  Instruments to increase or decrease a fund's exposure
to different asset classes without buying or selling the underlying instruments.
A fund also may use  derivatives  to simulate full  investment by the fund while
maintaining  a cash  balance for fund  management  purposes  (such as to provide
liquidity  to meet  anticipated  shareholder  sales of fund  shares and for fund
operating expenses).

      The use of Derivative  Instruments is subject to applicable regulations of
the SEC, the several  options and futures  exchanges  upon which they are traded
and the Commodity Futures Trading  Commission  ("CFTC").  In addition,  a fund's
ability to use Derivative Instruments may be limited by tax considerations.  See
"Taxes."

      In addition to the products,  strategies and risks  described below and in
the Prospectus, Mitchell Hutchins (or for Low Duration Fund the sub-adviser) may
discover additional  opportunities in connection with Derivative Instruments and
with hedging,  income and gain strategies.  These new  opportunities  may become
available as regulatory  authorities broaden the range of permitted transactions
and as  new  Derivative  Instruments  and  techniques  are  developed.  Mitchell
Hutchins (or for Low Duration Fund the sub-adviser) may use these  opportunities
for a fund to the extent  that they are  consistent  with the fund's  investment
objective and permitted by its investment  limitations and applicable regulatory
authorities.  The Prospectus or SAI will be  supplemented to the extent that new
products or techniques involve  materially  different risks than those described
below or in the Prospectus.

      SPECIAL  RISKS OF  STRATEGIES  USING  DERIVATIVE  INSTRUMENTS.  The use of
Derivative  Instruments involves special  considerations and risks, as described
below.  Risks pertaining to particular  Derivative  Instruments are described in
the sections that follow.

      (1) Successful use of most Derivative Instruments depends upon the ability
of Mitchell  Hutchins  (or for Low  Duration  Fund the  sub-adviser)  to predict
movements of the overall securities, interest rate or currency exchange markets,
which  requires  different  skills  than  predicting  changes  in the  prices of
individual  securities.  While Mitchell  Hutchins (and for Low Duration Fund the
sub-adviser) are experienced in the use of Derivative Instruments,  there can be
no assurance that any particular strategy adopted will succeed.



                                       27
<PAGE>

      (2) There might be imperfect correlation, or even no correlation,  between
price  movements  of  a  Derivative   Instrument  and  price  movements  of  the
investments  that are being  hedged.  For example,  if the value of a Derivative
Instrument  used in a short hedge increased by less than the decline in value of
the hedged investment,  the hedge would not be fully successful.  Such a lack of
correlation might occur due to factors affecting the markets in which Derivative
Instruments are traded,  rather than the value of the investments  being hedged.
The effectiveness of hedges using Derivative  Instruments on indices will depend
on the degree of  correlation  between  price  movements  in the index and price
movements in the securities being hedged.

      (3) Hedging strategies,  if successful,  can reduce risk of loss by wholly
or partially  offsetting the negative  effect of unfavorable  price movements in
the  investments  being  hedged.  However,  hedging  strategies  can also reduce
opportunity  for gain by  offsetting  the  positive  effect of  favorable  price
movements in the hedged investments. For example, if a fund entered into a short
hedge  because  Mitchell  Hutchins  (or for Low Duration  Fund the  sub-adviser)
projected a decline in the price of a security in that fund's portfolio, and the
price of that security increased  instead,  the gain from that increase might be
wholly  or  partially  offset  by a  decline  in the  price  of  the  Derivative
Instrument. Moreover, if the price of the Derivative Instrument declined by more
than the increase in the price of the security, the fund could suffer a loss. In
either  such  case,  the fund would  have been in a better  position  had it not
hedged at all.

      (4) As  described  below,  a fund might be required to maintain  assets as
"cover,"  maintain  segregated  accounts or make margin  payments  when it takes
positions in  Derivative  Instruments  involving  obligations  to third  parties
(i.e.,  Derivative  Instruments other than purchased  options).  If the fund was
unable to close out its positions in such  Derivative  Instruments,  it might be
required to continue to maintain  such assets or accounts or make such  payments
until the positions expired or matured. These requirements might impair a fund's
ability to sell a  portfolio  security or make an  investment  at a time when it
would otherwise be favorable to do so, or require that the fund sell a portfolio
security at a disadvantageous  time. A fund's ability to close out a position in
a Derivative Instrument prior to expiration or maturity depends on the existence
of a liquid  secondary  market or, in the absence of such a market,  the ability
and  willingness of a counterparty  to enter into a transaction  closing out the
position.  Therefore,  there is no  assurance  that any hedging  position can be
closed out at a time and price that is favorable to a fund.

      COVER FOR STRATEGIES  USING  DERIVATIVE  INSTRUMENTS.  Transactions  using
Derivative  Instruments,  other than purchased  options,  expose the funds to an
obligation to another  party.  A fund will not enter into any such  transactions
unless it owns either (1) an  offsetting  ("covered")  position  in  securities,
currencies  or  other  options  or  futures  contracts  or (2)  cash  or  liquid
securities,  with a  value  sufficient  at all  times  to  cover  its  potential
obligations  to the extent not covered as provided in (1) above.  Each fund will
comply with SEC guidelines  regarding cover for such  transactions  and will, if
the guidelines so require,  set aside cash or liquid  securities in a segregated
account with its custodian in the prescribed amount.

      Assets used as cover or held in a segregated  account cannot be sold while
the position in the corresponding Derivative Instrument is open, unless they are
replaced  with similar  assets.  As a result,  committing  a large  portion of a
fund's  assets  to  cover  positions  or to  segregated  accounts  could  impede
portfolio  management or the fund's ability to meet redemption requests or other
current obligations.

      OPTIONS.  The funds may  purchase put and call  options,  and write (sell)
covered  put or call  options on  securities  in which they  invest and  related
indices  and  (for  High  Income  Fund and  Strategic  Income  Fund) on  foreign
currencies.  The  purchase of call  options  may serve as a long hedge,  and the
purchase of put options may serve as a short hedge. In addition, a fund may also
use options to attempt to realize  gains by  increasing or reducing its exposure
to an asset  class  without  purchasing  or selling the  underlying  securities.
Writing  covered  put or call  options  can enable a fund to  enhance  income by
reason of the premiums paid by the purchasers of such options.  Writing  covered
call options serves as a limited short hedge,  because  declines in the value of
the hedged  investment would be offset to the extent of the premium received for
writing the option.  However, if the security appreciates to a price higher than
the exercise  price of the call option,  it can be expected that the option will
be  exercised  and the  affected  fund will be obligated to sell the security at
less than its market value. Writing covered put options serves as a limited long
hedge,  because  increases in the value of the hedged investment would be offset
to the extent of the premium  received for writing the option.  However,  if the
security depreciates to a price lower than the exercise price of the put option,


                                       28
<PAGE>

it can be expected  that the put option will be  exercised  and the fund will be
obligated to purchase the security at more than its market value. The securities
or other  assets used as cover for  over-the-counter  options  written by a fund
would  be  considered  illiquid  to  the  extent  described  under  "The  Funds'
Investments, Related Risks and Limitations--Illiquid Securities."

      The value of an option  position  will reflect,  among other  things,  the
current market value of the  underlying  investment,  the time  remaining  until
expiration,  the  relationship  of the exercise price to the market price of the
underlying  investment,  the  historical  price  volatility  of  the  underlying
investment and general market conditions. Options normally have expiration dates
of up to nine months.  Generally,  the over-the-counter  debt options or foreign
currency options used by the funds are European-style  options.  This means that
the option is only exercisable  immediately prior to its expiration.  This is in
contrast to American-style  options,  which are exercisable at any time prior to
the  expiration  date of the  option.  There  are also  other  types of  options
exercisable on certain  specified dates before  expiration.  Options that expire
unexercised have no value.

      A fund may effectively  terminate its right or obligation  under an option
by entering into a closing  transaction.  For example,  a fund may terminate its
obligation  under a call or put  option  that it had  written by  purchasing  an
identical call or put option;  this is known as a closing purchase  transaction.
Conversely,  a fund may  terminate  a  position  in a put or call  option it had
purchased by writing an identical put or call option; this is known as a closing
sale transaction. Closing transactions permit a fund to realize profits or limit
losses on an option position prior to its exercise or expiration.

      The funds may purchase and write both exchange-traded and over-the-counter
options.  Currently,  many  options on equity  securities  are  exchange-traded.
Exchange  markets  for  options on bonds and  foreign  currencies  exist but are
relatively   new,   and  these   instruments   are   primarily   traded  on  the
over-the-counter market. Exchange-traded options in the United States are issued
by a clearing  organization  affiliated with the exchange on which the option is
listed which, in effect,  guarantees completion of every exchange-traded  option
transaction. In contrast,  over-the-counter options are contracts between a fund
and its  counterparty  (usually a securities  dealer or a bank) with no clearing
organization   guarantee.   Thus,   when  a  fund   purchases   or   writes   an
over-the-counter  option, it relies on the counterparty to make or take delivery
of the  underlying  investment  upon  exercise  of the  option.  Failure  by the
counterparty  to do so would  result in the loss of any premium paid by the fund
as well as the loss of any expected benefit of the transaction.

      The funds' ability to establish and close out positions in exchange-listed
options  depends  on the  existence  of a liquid  market.  The  funds  intend to
purchase or write only those exchange-traded  options for which there appears to
be a liquid  secondary  market.  However,  there can be no assurance that such a
market will exist at any particular time.  Closing  transactions can be made for
over-the-counter options only by negotiating directly with the counterparty,  or
by a transaction in the secondary market if any such market exists. Although the
funds will enter into over-the-counter options only with counterparties that are
expected to be capable of entering  into  closing  transactions  with the funds,
there  is no  assurance  that a fund  will  in fact  be  able  to  close  out an
over-the-counter  option position at a favorable  price prior to expiration.  In
the event of insolvency of the counterparty, a fund might be unable to close out
an over-the-counter option position at any time prior to its expiration.

      If a fund were unable to effect a closing transaction for an option it had
purchased,  it would have to  exercise  the option to realize  any  profit.  The
inability to enter into a closing purchase transaction for a covered put or call
option written by the fund could cause material losses because the fund would be
unable to sell the  investment  used as cover for the written  option  until the
option expires or is exercised.

      A fund may  purchase and write put and call options on indices in much the
same manner as the more traditional  options  discussed above,  except the index
options may serve as a hedge against overall fluctuations in a securities market
(or market sector) rather than  anticipated  increases or decreases in the value
of a particular security.



                                       29
<PAGE>

      LIMITATIONS  ON THE USE OF OPTIONS.  The use of options is governed by the
following  guidelines,  which  can be  changed  by  each  fund's  board  without
shareholder vote:

      (1) A fund may  purchase a put or call option,  including  any straddle or
spread,  only if the value of its premium,  when aggregated with the premiums on
all other options held by the fund, does not exceed 5% of its total assets.

      (2) The aggregate value of securities  underlying put options written by a
fund, determined as of the date the put options are written, will not exceed 50%
of its net assets.

      (3) The  aggregate  premiums  paid on all  options  (including  options on
securities,  foreign  currencies and  securities  indices and options on futures
contracts)  purchased by a fund that are held at any time will not exceed 20% of
its net assets.

      FUTURES.  The  funds  may  purchase  and  sell  securities  index  futures
contracts  and interest rate futures  contracts.  High Income Fund and Strategic
Income Fund also may purchase and sell foreign  currency  futures  contracts.  A
fund may purchase put and call options,  and write covered put and call options,
on futures in which it is allowed  to invest.  The  purchase  of futures or call
options  thereon  can  serve as a long  hedge,  and the sale of  futures  or the
purchase of put options thereon can serve as a short hedge. Writing covered call
options on futures  contracts  can serve as a limited  short hedge,  and writing
covered  put  options on futures  contracts  can serve as a limited  long hedge,
using a strategy  similar to that used for writing covered options on securities
or indices.  In  addition,  a fund may  purchase or sell  futures  contracts  or
purchase  options  thereon to increase or reduce its  exposure to an asset class
without purchasing or selling the underlying  securities either as a hedge or to
enhance return or realize gains.

      Futures  strategies  also can be used to manage the average  duration of a
fund's   portfolio.   If  Mitchell  Hutchins  (or  for  Low  Duration  Fund  the
sub-adviser)  wishes to shorten the average duration of a fund's portfolio,  the
fund may sell a futures  contract  or a call option  thereon,  or purchase a put
option on that futures contract.  If Mitchell Hutchins (or for Low Duration Fund
the  sub-adviser)  wishes  to  lengthen  the  average  duration  of  the  fund's
portfolio, the fund may buy a futures contract or a call option thereon, or sell
a put option thereon.

      A fund may also write put options on futures  contracts  while at the same
time   purchasing   call  options  on  the  same  futures   contracts  in  order
synthetically  to create a long futures  contract  position.  Such options would
have the same strike  prices and  expiration  dates.  A fund will engage in this
strategy  only when it is more  advantageous  to a fund than is  purchasing  the
futures contract.

      No price is paid upon entering into a futures  contract.  Instead,  at the
inception  of a futures  contract a fund is required to deposit in a  segregated
account with its  custodian,  in the name of the futures broker through whom the
transaction was effected,  "initial margin"  consisting of cash,  obligations of
the United States or obligations  fully  guaranteed as to principal and interest
by the  United  States,  in an  amount  generally  equal  to 10% or  less of the
contract  value.  Margin must also be deposited  when writing a call option on a
futures contract, in accordance with applicable exchange rules. Unlike margin in
securities transactions,  initial margin on futures contracts does not represent
a borrowing,  but rather is in the nature of a  performance  bond or  good-faith
deposit that is returned to a fund at the  termination of the transaction if all
contractual obligations have been satisfied.  Under certain circumstances,  such
as periods of high volatility, a fund may be required by an exchange to increase
the level of its initial margin payment,  and initial margin  requirements might
be increased generally in the future by regulatory action.

      Subsequent  "variation  margin"  payments are made to and from the futures
broker daily as the value of the futures  position  varies,  a process  known as
"marking to market."  Variation  margin does not involve  borrowing,  but rather
represents a daily  settlement of each fund's  obligations  to or from a futures
broker.  When a fund  purchases  an option on a future,  the  premium  paid plus
transaction costs is all that is at risk. In contrast,  when a fund purchases or
sells a futures contract or writes a call option thereon, it is subject to daily
variation  margin calls that could be  substantial in the event of adverse price
movements.  If a fund  has  insufficient  cash to meet  daily  variation  margin
requirements,  it might  need to sell  securities  at a time when such sales are
disadvantageous.



                                       30
<PAGE>

      Holders and writers of futures  positions and options on futures can enter
into  offsetting  closing  transactions,  similar  to  closing  transactions  on
options, by selling or purchasing,  respectively, an instrument identical to the
instrument  held or written.  Positions in futures and options on futures may be
closed only on an exchange or board of trade that  provides a secondary  market.
The funds intend to enter into futures  transactions only on exchanges or boards
of trade where there appears to be a liquid secondary market. However, there can
be no  assurance  that such a market will exist for a  particular  contract at a
particular time.

      Under certain circumstances,  futures exchanges may establish daily limits
on the  amount  that the price of a future or  related  option can vary from the
previous day's settlement  price;  once that limit is reached,  no trades may be
made that day at a price  beyond  the  limit.  Daily  price  limits do not limit
potential  losses  because  prices  could  move to the daily  limit for  several
consecutive days with little or no trading,  thereby  preventing  liquidation of
unfavorable positions.

      If a fund were unable to liquidate a futures or related  options  position
due to the  absence  of a liquid  secondary  market or the  imposition  of price
limits, it could incur  substantial  losses. A fund would continue to be subject
to market risk with respect to the position. In addition,  except in the case of
purchased  options, a fund would continue to be required to make daily variation
margin  payments and might be required to maintain the position  being hedged by
the future or option or to maintain cash or securities in a segregated account.

      Certain characteristics of the futures market might increase the risk that
movements  in the  prices of futures  contracts  or  related  options  might not
correlate  perfectly  with  movements  in the  prices of the  investments  being
hedged. For example, all participants in the futures and related options markets
are subject to daily variation  margin calls and might be compelled to liquidate
futures or related  options  positions  whose prices are moving  unfavorably  to
avoid being subject to further calls.  These  liquidations  could increase price
volatility of the instruments and distort the normal price relationship  between
the futures or options and the investments being hedged.  Also,  because initial
margin deposit  requirements  in the futures market are less onerous than margin
requirements in the securities markets,  there might be increased  participation
by  speculators  in the futures  markets.  This  participation  also might cause
temporary price  distortions.  In addition,  activities of large traders in both
the futures and securities  markets involving  arbitrage,  "program trading" and
other investment strategies might result in temporary price distortions.

      LIMITATIONS ON THE USE OF FUTURES AND RELATED OPTIONS.  The use of futures
and  related  options is  governed  by the  following  guidelines,  which can be
changed by a fund's board without shareholder vote:

      (1) The  aggregate  initial  margin and premiums on futures  contracts and
related  options that are not for bona fide hedging  purposes (as defined by the
CFTC), excluding the amount by which options are "in-the-money",  may not exceed
5% of a fund's net assets.

      (2) The  aggregate  premiums  paid on all  options  (including  options on
securities,  foreign  currencies and  securities  indices and options on futures
contracts)  purchased by a fund that are held at any time will not exceed 20% of
its net assets.

      (3) The  aggregate  margin  deposits on all futures  contracts and options
thereon held at any time by a fund will not exceed 5% of its total assets.

      FOREIGN CURRENCY HEDGING STRATEGIES--SPECIAL  CONSIDERATIONS.  High Income
Fund  and  Strategic  Income  Fund  may  use  options  and  futures  on  foreign
currencies,  as described above, and forward  currency  contracts,  as described
below,  to hedge  against  movements in the values of the foreign  currencies in
which the fund's  securities are  denominated.  Such currency hedges can protect
against price movements in a security a fund owns or intends to acquire that are
attributable to changes in the value of the currency in which it is denominated.
Such hedges do not,  however,  protect against price movements in the securities
that are attributable to other causes.

      A fund might seek to hedge  against  changes in the value of a  particular
currency when no Derivative  Instruments  on that currency are available or such
Derivative  Instruments are considered  expensive.  In such cases,  the fund may
hedge  against price  movements in that  currency by entering into  transactions


                                       31
<PAGE>

using Derivative Instruments on another currency or a basket of currencies,  the
value of which Mitchell  Hutchins  believes will have a positive  correlation to
the value of the currency  being  hedged.  In  addition,  a fund may use forward
currency  contracts to shift exposure to foreign currency  fluctuations from one
country to another.  For example,  if a fund owned  securities  denominated in a
foreign  currency and Mitchell  Hutchins  believed that  currency  would decline
relative to another currency,  it might enter into a forward contract to sell an
appropriate amount of the first foreign currency, with payment to be made in the
second  foreign  currency.  Transactions  that use two  foreign  currencies  are
sometimes  referred to as "cross  hedging." Use of a different  foreign currency
magnifies the risk that movements in the price of the Derivative Instrument will
not correlate or will  correlate  unfavorably  with the foreign  currency  being
hedged.

      The value of Derivative  Instruments on foreign  currencies depends on the
value of the underlying  currency  relative to the U.S. dollar.  Because foreign
currency   transactions   occurring  in  the  interbank   market  might  involve
substantially  larger amounts than those involved in the use of such  Derivative
Instruments,  a fund  could be  disadvantaged  by having to deal in the  odd-lot
market  (generally  consisting of  transactions of less than $1 million) for the
underlying  foreign  currencies at prices that are less favorable than for round
lots.

      There is no  systematic  reporting  of last sale  information  for foreign
currencies or any  regulatory  requirement  that  quotations  available  through
dealers or other market sources be firm or revised on a timely basis.  Quotation
information  generally  is  representative  of very  large  transactions  in the
interbank  market and thus might not reflect  odd-lot  transactions  where rates
might be less favorable. The interbank market in foreign currencies is a global,
round-the-clock  market.  To the extent the U.S.  options or futures markets are
closed while the markets for the underlying currencies remain open,  significant
price and rate movements might take place in the underlying  markets that cannot
be reflected in the markets for the Derivative Instruments until they reopen.

      Settlement of Derivative Instruments involving foreign currencies might be
required to take place within the country issuing the underlying currency. Thus,
the funds might be required to accept or make delivery of the underlying foreign
currency  in  accordance  with any U.S.  or foreign  regulations  regarding  the
maintenance  of foreign  banking  arrangements  by U.S.  residents  and might be
required  to pay any  fees,  taxes and  charges  associated  with such  delivery
assessed in the issuing country.

      FORWARD CURRENCY CONTRACTS. High Income Fund and Strategic Income Fund may
enter into forward currency contracts to purchase or sell foreign currencies for
a fixed amount of U.S. dollars or another foreign  currency.  Such  transactions
may serve as long  hedges--for  example,  a fund may purchase a forward currency
contract to lock in the U.S. dollar price of a security denominated in a foreign
currency  that  the  fund  intends  to  acquire.   Forward   currency   contract
transactions  may also  serve as short  hedges--for  example,  a fund may sell a
forward currency  contract to lock in the U.S. dollar equivalent of the proceeds
from the anticipated sale of a security denominated in a foreign currency.

      The cost to a fund of engaging in forward  currency  contracts varies with
factors such as the currency involved, the length of the contract period and the
market  conditions  then  prevailing.  Because  forward  currency  contracts are
usually entered into on a principal  basis, no fees or commissions are involved.
When  a  fund  enters  into  a  forward  currency  contract,  it  relies  on the
counterparty to make or take delivery of the underlying currency at the maturity
of the contract.  Failure by the  counterparty to do so would result in the loss
of any expected benefit of the transaction.

      As is the case with  futures  contracts,  holders  and  writers of forward
currency  contracts can enter into offsetting closing  transactions,  similar to
closing  transactions  on futures,  by selling or purchasing,  respectively,  an
instrument  identical to the  instrument  purchased or sold.  Secondary  markets
generally  do not exist for  forward  currency  contracts,  with the result that
closing  transactions  generally can be made for forward currency contracts only
by negotiating  directly with the counterparty.  Thus, there can be no assurance
that a fund will in fact be able to close out a forward  currency  contract at a
favorable  price prior to maturity.  In addition,  in the event of insolvency of
the  counterparty,  a fund  might be  unable  to close  out a  forward  currency
contract at any time prior to maturity. In either event, the fund would continue


                                       32
<PAGE>

to be subject to market risk with respect to the position, and would continue to
be required to maintain a position in the securities or currencies  that are the
subject of the hedge or to maintain cash or securities in a segregated account.

      The precise matching of forward currency contract amounts and the value of
the securities involved generally will not be possible because the value of such
securities,  measured in the  foreign  currency,  will change  after the foreign
currency contract has been  established.  Thus, a fund might need to purchase or
sell  foreign  currencies  in the spot (cash)  market to the extent such foreign
currencies  are not covered by forward  contracts.  The projection of short-term
currency market movements is extremely  difficult,  and the successful execution
of a short-term hedging strategy is highly uncertain.

      LIMITATIONS ON THE USE OF FORWARD CURRENCY CONTRACTS. High Income Fund and
Strategic  Income Fund may enter into forward  currency  contracts or maintain a
net exposure to such  contracts  only if (1) the  consummation  of the contracts
would not obligate  the fund to deliver an amount of foreign  currency in excess
of the value of the  position  being  hedged by such  contracts  or (2) the fund
segregates  with its custodian  cash or liquid  securities in an amount not less
than the value of its total assets committed to the consummation of the contract
and not covered as provided in (1) above, as marked to market daily.

      SWAP  TRANSACTIONS.  Swap  transactions  include swaps,  caps,  floors and
collars relating to interest rates, currencies, securities or other instruments.
Interest  rate swaps  involve  an  agreement  between  two  parties to  exchange
payments  that are based,  for example,  on variable and fixed rates of interest
and that are  calculated  on the basis of a specified  amount of principal  (the
"notional  principal amount") for a specified period of time.  Interest rate cap
and floor  transactions  involve an  agreement  between two parties in which the
first party agrees to make payments to the counterparty when a designated market
interest  rate  goes  above  (in the case of a cap) or  below  (in the case of a
floor) a  designated  level on  predetermined  dates or during a specified  time
period.  Interest  rate collar  transactions  involve an  agreement  between two
parties in which payments are made when a designated market interest rate either
goes above a designated  ceiling level or goes below a designated floor level on
predetermined  dates or during a specified time period.  Currency  swaps,  caps,
floors and collars are similar to interest rate swaps,  caps, floors and collars
but they are based on currency exchange rates rather than interest rates. Equity
swaps or other  swaps  relating  to  securities  or other  instruments  are also
similar, but they are based on changes in the value of the underlying securities
or  instruments.  For example,  an equity swap might  involve an exchange of the
value of a particular  security or securities index in a certain notional amount
for the value of another  security or index or for the value of interest on that
notional amount at a specified fixed or variable rate.

      A fund may enter into interest rate swap transactions to preserve a return
or spread on a particular  investment  or portion of its portfolio or to protect
against any increase in the price of securities it  anticipates  purchasing at a
later date. A fund may use interest  rate swaps,  caps,  floors and collars as a
hedge on either an asset-based or liability-based basis, depending on whether it
is hedging  its  assets or  liabilities.  Interest  rate swap  transactions  are
subject to risks  comparable  to those  described  above  with  respect to other
derivatives strategies.

      A fund will usually enter into  interest rate swaps on a net basis,  i.e.,
the two payment streams are netted out, with a fund receiving or paying,  as the
case  may be,  only  the net  amount  of the two  payments.  Because  segregated
accounts  will be  established  with  respect  to these  transactions,  Mitchell
Hutchins (and for Low Duration Fund the sub-adviser) believe such obligations do
not constitute senior securities and, accordingly,  will not treat them as being
subject to a fund's  borrowing  restrictions.  The net amount of the excess,  if
any, of a fund's obligations over its entitlements with respect to each interest
rate swap will be accrued on a daily basis,  and appropriate  fund assets having
an  aggregate  net asset  value at least  equal to the  accrued  excess  will be
maintained  in  a  segregated   account  as  described   above  in  "The  Funds'
Investments,  Related Risks and  Limitations--Segregated  Accounts." A fund also
will establish and maintain such  segregated  accounts with respect to its total
obligations  under any swaps that are not  entered  into on a net basis and with
respect to any caps, floors and collars that are written by the fund.

      A fund will enter into interest rate swap  transactions only with banks or
recognized  securities dealers or their affiliates believed by Mitchell Hutchins
(or for Low Duration Fund the  sub-adviser)  to present  minimal  credit risk in
accordance  with  guidelines  established  by the  fund's  board.  If there is a
default by the other  party to such a  transaction,  a fund will have to rely on


                                       33
<PAGE>

its  contractual  remedies  (which may be limited by  bankruptcy,  insolvency or
similar laws) pursuant to the agreements related to the transaction.


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

      Managed  Trust was formed on November  21, 1986 as a business  trust under
the laws of the  Commonwealth of Massachusetts  and has eight operating  series.
Securities  Trust was formed on December  3, 1992 as a business  trust under the
laws of the Commonwealth of  Massachusetts  and has two operating  series.  Each
Trust is governed  by a board of  trustees,  which is  authorized  to  establish
additional  series  and to issue an  unlimited  number of  shares of  beneficial
interest of each  existing or future  series,  par value  $0.001 per share.  The
applicable board oversees each fund's operations.

      The trustees and executive  officers of each Trust,  their ages,  business
addresses and principal occupations during the past five years are:

<TABLE>
<CAPTION>
    NAME AND ADDRESS; AGE      POSITION WITH EACH TRUST   BUSINESS EXPERIENCE; OTHER DIRECTORSHIPS
    ---------------------      ------------------------   ----------------------------------------

<S>                              <C>                      <C>
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  director  of   PaineWebber
                                                          (since  March  1984).  Mrs.  Alexander  is
                                                          president  and  director  or trustee of 31
                                                          investment  companies  for which  Mitchell
                                                          Hutchins,  PaineWebber  or  one  of  their
                                                          affiliates serves as investment adviser.

Richard Q. Armstrong; 64                Trustee           Mr. Armstrong is chairman and principal of
R.Q.A. Enterprises                                        R.Q.A.  Enterprises (management consulting
One Old Church Road                                       firm)  (since  April  1991  and  principal
Unit #6                                                   occupation    since   March   1995).   Mr.
Greenwich, CT 06830                                       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  30   investment
                                                          companies  for  which  Mitchell  Hutchins,
                                                          PaineWebber  or  one of  their  affiliates
                                                          serves as investment adviser.



                                                 34
<PAGE>

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

E. Garrett Bewkes, Jr.**+; 73   Trustee and Chairman of   Mr.  Bewkes is a director of Paine  Webber
                                 the Board of Trustees    Group Inc. ("PW Group")  (holding  company
                                                          of  PaineWebber  and  Mitchell  Hutchins).
                                                          Prior   to   December   1995,   he  was  a
                                                          consultant to PW Group.  Prior to 1988, he
                                                          was chairman of the board,  president  and
                                                          chief   executive   officer  of   American
                                                          Bakeries Company. Mr. Bewkes is a director
                                                          of Interstate  Bakeries  Corporation.  Mr.
                                                          Bewkes  is a  director  or  trustee  of 34
                                                          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 Advisors,  LLP
1275 Pennsylvania Ave, N.W.                               (international  investments and consulting
Washington, D.C.  20004                                   firm)  (since  March  1994),  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., 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  30   investment
                                                          companies  for  which  Mitchell  Hutchins,
                                                          PaineWebber  or  one of  their  affiliates
                                                          serves as investment adviser.



                                                 35
<PAGE>

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

Mary C. Farrell**+; 50                  Trustee           Ms. Farrell is a managing director, senior
                                (Securities Trust only)   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 29
                                                          investment  companies  for which  Mitchell
                                                          Hutchins,  PaineWebber  or  one  of  their
                                                          affiliates serves as investment adviser.

Meyer Feldberg; 58                      Trustee           Mr.  Feldberg  is Dean  and  Professor  of
Columbia University                                       Management  of  the  Graduate   School  of
101 Uris Hall                                             Business,  Columbia  University.  Prior to
New York, NY  10027                                       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 33  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 the law firm of
666 Third Avenue                                          Dunnington,  Bartholow & Miller.  Prior to
New York, NY  10017                                       May 1994, he was a partner in the law firm
                                                          of  Fryer,  Ross & Gowen.  Mr.  Gowen is a
                                                          director  or  trustee  of  33   investment
                                                          companies  for  which  Mitchell  Hutchins,
                                                          PaineWebber  or  one of  their  affiliates
                                                          serves as investment adviser.



                                                 36
<PAGE>

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

Frederic V. Malek; 63                   Trustee           Mr.  Malek is chairman  of Thayer  Capital
1455 Pennsylvania Ave, N.W.                               Partners  (merchant  bank) and chairman of
Suite 350                                                 Thayer  Hotel  Investors  II  and  Lodging
Washington, DC  20004                                     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  30
                                                          investment  companies  for which  Mitchell
                                                          Hutchins,  PaineWebber  or  one  of  their
                                                          affiliates serves as investment adviser.

Carl W. Schafer; 64                     Trustee           Mr.  Schafer is  president of the Atlantic
66 Witherspoon Street, #1100                              Foundation      (charitable     foundation
Princeton, NJ  08542                                      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  30   investment
                                                          companies  for  which  Mitchell  Hutchins,
                                                          PaineWebber  or  one of  their  affiliates
                                                          serves as investment adviser.



                                                 37
<PAGE>

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

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 30  investment  companies  for
                                                          which  Mitchell  Hutchins,  PaineWebber or
                                                          one  of   their   affiliates   serves   as
                                                          investment adviser.

T. Kirkham Barneby*; 53             Vice President        Mr.  Barneby  is a managing  director  and
                                 (Managed Trust only)     chief   investment   officer--quantitative
                                                          investments  of  Mitchell  Hutchins.   Mr.
                                                          Barneby  is  a  vice  president  of  seven
                                                          investment  companies  for which  Mitchell
                                                          Hutchins,  PaineWebber  or  one  of  their
                                                          affiliates serves as investment adviser.

Julieanna Berry*; 36                Vice President        Ms. Berry is a first vice  president and a
                                 (Managed Trust only)     portfolio  manager of  Mitchell  Hutchins.
                                                          Ms.  Berry  is a  vice  president  of  two
                                                          investment  companies  for which  Mitchell
                                                          Hutchins,  PaineWebber  or  one  of  their
                                                          affiliates serves as investment adviser.

Tom Disbrow**, 34                 Vice President and      Mr.  Disbrow is a first vice president and
                                  Assistant Treasurer     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 31  investment  companies for
                                                          which  Mitchell  Hutchins,  PaineWebber or
                                                          one  of   their   affiliates   serves   as
                                                          investment adviser.

Donald R. Jones*; 39                Vice President        Mr. Jones is a senior vice president and a
                                (Securities Trust only)   portfolio  manager of  Mitchell  Hutchins.
                                                          Prior  to  February  1996,  he  was a vice
                                                          president in the asset management group of
                                                          First Fidelity  Bancorporation.  Mr. Jones
                                                          is a  vice  president  of  two  investment
                                                          companies  for  which  Mitchell  Hutchins,
                                                          PaineWebber  or  one of  their  affiliates
                                                          serves as investment adviser.

James F. Keegan*; 39                Vice President        Mr. Keegan is a senior vice  president and
                                 (Managed Trust only)     a portfolio manager of Mitchell  Hutchins.
                                                          Prior to March  1996,  he was  director of
                                                          fixed  income  strategy  and  research  of
                                                          Merrion  Group,  L.P. Mr. Keegan is a vice
                                                          president of six investment  companies for
                                                          which  Mitchell  Hutchins,  PaineWebber or
                                                          one  of   their   affiliates   serves   as
                                                          investment adviser.



                                                 38
<PAGE>

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

John J. Lee**; 31                 Vice President and      Mr. Lee is a vice  president and a manager
                                  Assistant Treasurer     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  31   investment
                                                          companies  for  which  Mitchell  Hutchins,
                                                          PaineWebber  or  one of  their  affiliates
                                                          serves as investment adviser.

Kevin J. Mahoney**; 34            Vice President and      Mr.  Mahoney is a first vice president and
                                  Assistant Treasurer     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  for
                                                          BlackRock  Financial  Management  L.P. Mr.
                                                          Mahoney is a vice  president and assistant
                                                          treasurer of 31  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 22  investment  companies for
                                                          which  Mitchell  Hutchins,  PaineWebber or
                                                          one  of   their   affiliates   serves   as
                                                          investment adviser.

Ann E. Moran**; 42                Vice President and      Ms.  Moran  is  a  vice  president  and  a
                                  Assistant Treasurer     manager   of  the  mutual   fund   finance
                                                          department of Mitchell Hutchins. Ms. Moran
                                                          is  a   vice   president   and   assistant
                                                          treasurer of 31  investment  companies for
                                                          which  Mitchell  Hutchins,  PaineWebber or
                                                          one  of   their   affiliates   serves   as
                                                          investment adviser.

Dianne E. O'Donnell**; 47         Vice President and      Ms.  O'Donnell is a senior vice  president
                                       Secretary          and deputy  general  counsel  of  Mitchell
                                                          Hutchins.   Ms.   O'Donnell   is  a   vice
                                                          president  and  secretary of 30 investment
                                                          companies   and  a  vice   president   and
                                                          assistant   secretary  of  one  investment
                                                          company  for  which   Mitchell   Hutchins,
                                                          PaineWebber  or  one of  their  affiliates
                                                          serves as investment adviser.

Emil Polito*; 39                    Vice President        Mr. Polito is a senior vice  president and
                                                          director  of  operations  and  control for
                                                          Mitchell  Hutchins.  Mr.  Polito is a vice
                                                          president of 31  investment  companies for
                                                          which  Mitchell  Hutchins,  PaineWebber or
                                                          one  of   their   affiliates   serves   as
                                                          investment adviser.



                                                 39
<PAGE>

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

Victoria E. Schonfeld**; 49         Vice President        Ms.  Schonfeld is a managing  director and
                                                          general  counsel of Mitchell  Hutchins and
                                                          (since July 1995) a senior vice  president
                                                          of  PaineWebber.  Ms.  Schonfeld is a vice
                                                          president of 30 investment companies and a
                                                          vice   president   and  secretary  of  one
                                                          investment   company  for  which  Mitchell
                                                          Hutchins,  PaineWebber  or  one  of  their
                                                          affiliates serves as investment adviser.

Paul H. Schubert**; 37            Vice President and      Mr.  Schubert is a senior  vice  president
                                       Treasurer          and  director of the mutual  fund  finance
                                                          department  of  Mitchell   Hutchins.   Mr.
                                                          Schubert is a vice president and treasurer
                                                          of  31  investment   companies  for  which
                                                          Mitchell  Hutchins,  PaineWebber or one of
                                                          their  affiliates   serves  as  investment
                                                          adviser.

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

Barney A. Taglialatela**; 39      Vice President and      Mr. Taglialatela is a vice president and a
                                  Assistant Treasurer     manager   of  the  mutual   fund   finance
                                                          department  of  Mitchell   Hutchins.   Mr.
                                                          Taglialatela   is  a  vice  president  and
                                                          assistant   treasurer  of  31   investment
                                                          companies  for  which  Mitchell  Hutchins,
                                                          PaineWebber  or  one of  their  affiliates
                                                          serves as investment adviser.

Mark A. Tincher*; 44                Vice President        Mr.  Tincher  is a managing  director  and
                                                          chief  investment   officer--equities   of
                                                          Mitchell  Hutchins.  Mr. Tincher is a vice
                                                          president of 12  investment  companies for
                                                          which  Mitchell  Hutchins,  PaineWebber or
                                                          one  of   their   affiliates   serves   as
                                                          investment adviser.

Stuart Waugh*; 44                   Vice President        Mr.  Waugh is a  managing  director  and a
                                (Securities Trust only)   portfolio  manager  of  Mitchell  Hutchins
                                                          responsible   for  global   fixed   income
                                                          investments  and  currency  trading.   Mr.
                                                          Waugh   is  a  vice   president   of  five
                                                          investment  companies  for which  Mitchell
                                                          Hutchins,  PaineWebber  or  one  of  their
                                                          affiliates serves as investment adviser.



                                                 40
<PAGE>

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

Keith A. Weller**; 38             Vice President and      Mr.  Weller is a first vice  president and
                                  Assistant Secretary     associate   general  counsel  of  Mitchell
                                                          Hutchins.  Prior  to May  1995,  he was an
                                                          attorney in private  practice.  Mr. Weller
                                                          is  a   vice   president   and   assistant
                                                          secretary of 30  investment  companies for
                                                          which  Mitchell  Hutchins,  PaineWebber or
                                                          one  of   their   affiliates   serves   as
                                                          investment adviser.
</TABLE>

- -------------
*  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.

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

      Board members are compensated as follows:

      o     MANAGED TRUST has eight operating  series and pays each board member
            who is not an "interested  person" of the Trust $1,000  annually for
            each series.  Therefore,  Managed  Trust pays each such board member
            $8,000  annually,  plus  any  additional  amounts  due for  board or
            committee meetings.

      o     SECURITIES TRUST has two operating series and pays each board member
            who is not an "interested  person" of the Trust $1,000  annually for
            Strategic  Income Fund and an  additional  $1,500  annually  for its
            second  series.  Therefore,  Securities  Trust  pays each such board
            member $2,500 annually, plus any additional amounts due for board or
            committee meetings.

      Each Trust pays up to $150 per  series  for each  board  meeting  and each
separate meeting of a board  committee.  Each chairman of the audit and contract
review  committees  of  individual  funds  within the  PaineWebber  fund complex
receives  additional  compensation,   aggregating  $15,000  annually,  from  the
relevant  funds.  All board members are reimbursed for any expenses  incurred in
attending meetings. Because PaineWebber, Mitchell Hutchins and (for Low Duration
Fund) the sub-adviser) perform  substantially all the services necessary for the
operation  of the Trusts and each fund,  the  Trusts  require no  employees.  No
officer,  director or employee of  Mitchell  Hutchins or  PaineWebber  presently
receives any compensation from a Trust for acting as a board member or officer.

      The table below includes certain information  relating to the compensation
by each Trust of its current board members and the  compensation  of those board
members from all PaineWebber funds during the periods indicated.



                                       41
<PAGE>

<TABLE>
<CAPTION>
                                                             AGGREGATE
                                            AGGREGATE      COMPENSATION      TOTAL COMPENSATION
                                          COMPENSATION         FROM           FROM THE TRUSTS
                                          FROM MANAGED      SECURITIES          AND THE FUND
            NAME OF PERSON, POSITION          TRUST*           TRUST*            COMPLEX**
            ------------------------          ------           ------            ---------
<S>                                          <C>              <C>                <C>

         Richard Q. Armstrong,
         Trustee...........................  $12,030          $1,780             $104,650

         Richard R. Burt,
         Trustee...........................  11,850           1,750              102,850

         Meyer Feldberg,
         Trustee...........................  12,030           2,432              119,650

         George W. Gowen,
         Trustee...........................  14,711           1,780              119,650

         Frederic V. Malek,
         Trustee...........................  12,030           1,780              104,650

         Carl W. Schafer,
         Trustee...........................  12,030           1,780              104,650
</TABLE>

- --------------------
+  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 funds.

*  Represents  fees paid to each board member from the Trust  indicated  for the
   fiscal year ended November 30, 1999.

** 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 March 1, 2000,  trustees and officers  owned in the  aggregate  less
than 1% of the outstanding shares of any class of each Trust.

      As of March 3, 2000, the following  shareholders  were shown in the funds'
records as owning 5% or more of any class of a fund's shares:



                                       42
<PAGE>
                                                         PERCENTAGE OF SHARES
          NAME AND ADDRESS*                             BENEFICIALLY OWNED AS
          -----------------                                 OF MARCH 3, 2000
                                                        ---------------------
          U.S. GOVERNMENT INCOME FUND
          Northern Trust Company as Trustee                     61.33% of
          FBO PaineWebber 401(k) Plan                      Class Y shares

          LOW DURATION FUND
          Chestnut III                                          71.97% of
                                                           Class A shares
          Barry Seeman                                           5.01% of
          Ruth Seeman                                      Class B shares
          Village of Caseyville Police                          10.46% of
          Pension Fund                                     Class B shares
          Dr. Alicia C. Faxon                                    7.24% of
                                                           Class Y shares
          PaineWebber CDN FBO                                    8.29% of
          George M. Edmonds                                Class Y shares
          Gina Gilbert                                           9.65% of
                                                           Class Y shares
          Mitchell Hutchins Portfolios                           9.92% of
                                                           Class Y shares
          INVESTMENT GRADE INCOME FUND
          PaineWebber CDN FBO                                    5.08% of
          Gertrude A. Tormey                               Class Y shares

          HIGH INCOME FUND
          PaineWebber CDN FBO                                   11.55% of
          Gertrude A. Tormey                               Class Y shares
          Jerry M. Zeigler                                       6.05% of
                                                           Class Y shares
          PaineWebber CDN FBO                                    9.68% of
          Charles A. Chard                                 Class Y shares
          PaineWebber CDN FBO                                    5.37% of
          Char L. Brown                                    Class Y shares

          STRATEGIC INCOME FUND
          PaineWebber CDN FBO                                    5.65% of
          Paula S. Bradnan                                 Class Y shares
          Edward Y. Eyraud TTEE FBO                              7.04% of
          The Joseph A. Eyraud Profit                      Class Y shares
          Sharing Plan
          Jerry M. Zeigler                                       8.20% of
                                                           Class Y shares
          Charles A. Chard                                       8.59% of
                                                           Class Y shares
          Anne L. Solnit as Trustee of the                       9.58% of
          Anne L. Solnit Trust Dtd 5/6/97                  Class Y shares




                                       43
<PAGE>

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


      INVESTMENT ADVISORY, ADMINISTRATION AND DISTRIBUTION ARRANGEMENTS

      INVESTMENT  ADVISORY AND  ADMINISTRATION  ARRANGEMENTS.  Mitchell Hutchins
acts as the  investment  adviser  and  administrator  to each fund  pursuant  to
separate  contracts  (each an "Advisory  Contract")  with each Trust.  Under the
applicable  Advisory  Contract,  Strategic Income Fund pays Mitchell Hutchins an
annual fee of 0.75% of its average daily net assets,  and each of the other four
funds pays  Mitchell  Hutchins an annual fee of 0.50% of its  average  daily net
assets.  All fees paid under the Advisory  Contracts are computed daily and paid
monthly.

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

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

      During each of the fiscal years  indicated,  Mitchell  Hutchins earned (or
accrued) advisory fees in the amounts set forth below:



                                       44
<PAGE>

                                            FISCAL YEARS ENDED NOVEMBER 30,
                                            1999          1998         1997
                                            ----          ----         ----
      U.S. Government Income Fund...    $1,537,271   $1,751,719    $1,979,329
      Low Duration Fund.............       683,166      708,240       819,616
      Investment Grade Income Fund..     1,402,342    1,456,093     1,464,164
      High Income Fund..............     2,408,964    3,036,812     2,918,855
      Strategic Income Fund ........       840,960      779,494      520,540*

- ------------
* Prior to fee  waiver of  $13,206.  Net fees paid by  Strategic  Income  Fund
were $507,334.

      For the fiscal year ended November 30, 1999, Mitchell Hutchins voluntarily
waived  a  portion  of its fee (as  set  forth  below)  under  certain  Advisory
Contracts in connection  with certain funds'  investment of cash collateral from
securities lending in a private investment vehicle managed by Mitchell Hutchins.

                                                 AMOUNT
          FUND                                   WAIVED
          ----                                   ------
          U.S. Government Income Fund...        $13,511
          Low Duration Fund ............              0
          Investment Grade Income Fund..          2,056
          High Income Fund..............              0
          Strategic Income Fund.........             31


      The Advisory  Contracts  authorize Mitchell Hutchins to retain one or more
sub-advisers  but do not require Mitchell  Hutchins to do so. Mitchell  Hutchins
has  entered  into  a  separate  sub-investment  advisory  contract  with  PIMCO
("Sub-Advisory  Contract") pursuant to which PIMCO serves as sub-adviser for Low
Duration Fund. Under the Sub-Advisory Contract, Mitchell Hutchins (not the fund)
pays PIMCO a fee in the annual  amount of 0.25% of the fund's  average daily net
assets.  For the fiscal years ended  November  30,  1999,  November 30, 1998 and
November 30, 1997, Mitchell Hutchins paid or accrued  sub-advisory fees to PIMCO
of $341,583,  $354,120,  and $409,808,  respectively.  PIMCO, a Delaware general
partnership,  is a registered investment adviser and a subsidiary partnership of
PIMCO Advisors L.P. ("PIMCO  Advisors").  The general partners of PIMCO Advisors
are PIMCO Advisors Holding L.P. ("PAH"), a publicly traded company listed on the
New York Stock  Exchange  under the symbol  "PA",  and PIMCO  Partners,  G.P., a
general  partnership  between Pacific Life Insurance Company and PIMCO Partners,
LLC, a limited  liability  company  controlled by the PIMCO managing  directors.
PIMCO  is one of the  largest  fixed  income  management  firms  in the  nation.
Included among PIMCO's  institutional  clients are many "Fortune 500" companies.
On October 31 1999,  PIMCO  Advisors,  PAH and Allianz AG ("Allianz")  announced
that they had reached a  definitive  agreement  pursuant to which  Allianz  will
acquire  majority  ownership of PIMCO Advisors and its  subsidiaries,  including
PIMCO (the "Allianz Transaction").  Under the terms of the transaction,  Allianz
will acquire all of PAH, the publicly  traded general partner of PIMCO Advisors.
Pacific Life Insurance  Company will retain an approximate 30% interest in PIMCO
Advisors.  The Allianz  Transaction is currently expected to be completed in the
second quarter of 2000.

      Under the Sub-Advisory Contract, PIMCO will not be liable for any error of
judgment  or mistake  of law or for any loss  suffered  by  Managed  Investments
Trust,  Low Duration Fund, its  shareholders or Mitchell  Hutchins in connection
with the  Sub-Advisory  Contract,  except any  liability to any of them to which
PIMCO would otherwise be subject by reason of willful misfeasance,  bad faith or
gross  negligence on its part in the  performance of its duties or from reckless
disregard by it of its obligations and duties under the  Sub-Advisory  Contract.
The Sub-Advisory  Contract  terminates  automatically upon its assignment or the
termination  of the  Advisory  Contract  and is  terminable  at any time without
penalty by Managed  Trust's board or by vote of the holders of a majority of Low
Duration Fund's outstanding voting securities on 60 days' notice to PIMCO, or by
PIMCO on 120  days'  written  notice  to  Mitchell  Hutchins.  The  Sub-Advisory
Contract also may be terminated by Mitchell Hutchins (1) upon material breach by
PIMCO of its  representations  and warranties,  which breach shall not have been
cured within a 20 day period after notice of such breach;  (2) if PIMCO  becomes


                                       45
<PAGE>

unable to discharge its duties and obligations under the Sub-Advisory  Contract;
or (3) upon 120 days' notice to PIMCO.

      TRANSFER  AGENCY-RELATED  SERVICES.  PFPC (not the funds) pays PaineWebber
for  certain  transfer  agency-related  services  that  PFPC  has  delegated  to
PaineWebber.  Prior to August 1, 1997, under an agreement between the applicable
Trust and PaineWebber,  PaineWebber  provided those services to each fund. Under
these  agreements,  PaineWebber  earned (or accrued) the amounts set forth below
during 1997:

                                            EIGHT MONTHS ENDED
                                              JULY 31, 1997
                                              -------------

          U.S. Government Income Fund...           $73,833
          Low Duration Fund...................      36,963
          Investment Grade Income Fund..            48,036
          High Income Fund..............            81,517
          Strategic Income Fund.........            10,503


      SECURITIES  LENDING.  During the fiscal  years ended  November  30,  1999,
November  30,  1998 and  November  30,  1997,  the funds paid (or  accrued)  the
following fees to PaineWebber for its services as securities lending agent:

          FUND                              FISCAL YEAR ENDED NOVEMBER 30,
                                            1999         1998         1997
                                            ----         ----         ----
          U.S. Government Income Fund..   $37,641       $2,938          $672
          Low Duration Fund............         0            0             0
          Investment Grade Income Fund.     8,655       24,433             0
          High Income Fund.............         0            0             0
          Strategic Income Fund........       338        8,573         4,254


      NET ASSETS.  The following  table shows the  approximate  net assets as of
February 29, 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)..................      $ 9,931.5
          Global.............................................        4,757.8
          Equity/Balanced....................................       10,115.9
          Fixed Income (excluding Money Market)..............        4,573.4
             Taxable Fixed Income............................        3,146.1
             Tax-Free Fixed Income...........................        1,427.3
          Money Market Funds.................................       39,977.1




                                       46
<PAGE>

      PERSONAL TRADING POLICIES.  The funds,  their investment adviser and their
principal underwriter each have adopted a code of ethics under rule 17j-1 of the
Investment Company Act, which permits personnel covered by the rule to invest in
securities  that may be  purchased or held by a fund but  prohibits  fraudulent,
deceptive or manipulative  conduct in connection  with that personal  investing.
PIMCO also has adopted a code of ethics under rule 17j-1.

      DISTRIBUTION  ARRANGEMENTS.  Mitchell  Hutchins acts as the distributor of
each class of shares of each fund under  separate  distribution  contracts  with
each Trust (collectively,  "Distribution Contracts"). Each Distribution Contract
requires  Mitchell  Hutchins to use its best efforts,  consistent with its other
businesses,  to sell  shares  of the  applicable  fund.  Shares of each fund are
offered  continuously.   Under  separate  exclusive  dealer  agreements  between
Mitchell Hutchins and PaineWebber  relating to each class of shares of the funds
(collectively, "Exclusive Dealer Agreements"), PaineWebber and its correspondent
firms sell each  fund's  shares.  Mitchell  Hutchins  is located at 51 West 52nd
Street,  New York, New York 10019-6114 and PaineWebber is located at 1285 Avenue
of the Americas, New York, New York 10019.

      Under  separate plans of  distribution  pertaining to the Class A, Class B
and Class C shares of each fund  adopted by each Trust in the manner  prescribed
under Rule 12b-1 under the Investment Company Act (each, respectively,  a "Class
A Plan,"  "Class B Plan" and "Class C Plan," and  collectively,  "Plans"),  each
fund pays Mitchell Hutchins a service fee, accrued daily and payable monthly, at
the  annual  rate of 0.25% of the  average  daily net  assets  of each  class of
shares.  Under the Class B Plan, each fund pays Mitchell Hutchins a distribution
fee,  accrued  daily and  payable  monthly,  at the annual  rate of 0.75% of the
average  daily net  assets of the Class B shares.  Under the Class C Plan,  each
fund pays  Mitchell  Hutchins a  distribution  fee,  accrued  daily and  payable
monthly,  at the  annual  rate of 0.50% of the  average  daily net assets of the
Class C shares. There is no distribution plan with respect to the funds' Class Y
shares and the funds pay no service or  distribution  fees with respect to their
Class Y shares.

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

      Mitchell Hutchins uses the distribution fees under the Class B and Class C
Plans to:

      o     Offset the  commissions  it pays to  PaineWebber  for  selling  each
            fund's Class B and Class C shares, respectively.

      o     Offset each fund's  marketing  costs  attributable  to such classes,
            such as preparation,  printing and distribution of sales literature,
            advertising and  prospectuses  to prospective  investors and related
            overhead expenses, such as employee salaries and bonuses.

      PaineWebber compensates Financial Advisors when Class B and Class C shares
are bought by  investors,  as well as on an  ongoing  basis.  Mitchell  Hutchins
receives no special  compensation from any of the funds or investors at the time
Class B or C shares are bought.

      Mitchell  Hutchins  receives the proceeds of the initial sales charge paid
when Class A shares are bought and of the contingent  deferred sales charge paid
upon sales of shares. These proceeds may be used to cover distribution expenses.

      The Plans and the related Distribution  Contracts for Class A, Class B and
Class C shares specify that each fund must pay service and distribution  fees to
Mitchell Hutchins for its service- and distribution-related  activities,  not as
reimbursement  for  specific  expenses  incurred.  Therefore,  even if  Mitchell
Hutchins'  expenses  exceed the service or  distribution  fees it receives,  the
funds will not be obligated to pay more than those fees.  On the other hand,  if
Mitchell  Hutchins'  expenses  are less than such fees,  it will retain its full
fees and realize a profit.  Expenses in excess of service and distribution  fees


                                       47
<PAGE>

received or accrued  through the  termination  date of any Plan will be Mitchell
Hutchins' sole responsibility and not that of the funds.  Annually, the board of
each fund reviews the Plans and Mitchell  Hutchins'  corresponding  expenses for
each class separately from the Plans and expenses of the other classes.

      Among other things,  each Plan  provides  that (1) Mitchell  Hutchins will
submit to the applicable  board at least  quarterly,  and the board members will
review,  reports  regarding all amounts expended under the Plan and the purposes
for which such expenditures were made, (2) the Plan will continue in effect only
so long as it is approved at least annually,  and any material amendment thereto
is approved, by the applicable board,  including those board members who are not
"interested  persons" of the Trust and who have no direct or indirect  financial
interest  in the  operation  of the Plan or any  agreement  related to the Plan,
acting in person at a meeting  called for that  purpose,  (3) payments by a fund
under the Plan shall not be materially increased without the affirmative vote of
the holders of a majority of the outstanding shares of the relevant class of the
fund and (4) while the Plan remains in effect,  the selection and  nomination of
board members who are not  "interested  persons" of the Trust shall be committed
to the discretion of the board members who are not "interested  persons" of that
Trust.

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

      The funds paid (or accrued) the following service and/or distribution fees
to  Mitchell  Hutchins  under the Class A, Class B and Class C Plans  during the
fiscal year ended November 30, 1999:

<TABLE>
<CAPTION>
                          U.S.                         INVESTMENT
                       GOVERNMENT         LOW        GRADE INCOME     HIGH INCOME     STRATEGIC
                      INCOME FUND    DURATION FUND        FUND            FUND       INCOME FUND
                      -----------    -------------        ----            ----       -----------

<S>                    <C>             <C>            <C>             <C>             <C>
     Class A........   $637,848        $135,190       $524,546        $610,271        $97,242
     Class B........    172,005          72,407        336,809       1,425,449        429,035
     Class C........    170,768         538,438        248,190         693,522        220,329
</TABLE>

      Mitchell   Hutchins   estimates  that  it  and  its  parent   corporation,
PaineWebber,    incurred   the   following   shareholder   service-related   and
distribution-related  expenses  with respect to each fund during the fiscal year
ended November 30, 1999:

<TABLE>
<CAPTION>
                                                  U.S.                        INVESTMENT
                                              GOVERNMENT     LOW DURATION    GRADE INCOME    HIGH INCOME    STRATEGIC
                                              INCOME FUND        FUND            FUND            FUND       INCOME FUND
                                              -----------        ----            ----            ----       -----------
<S>                                              <C>            <C>             <C>             <C>             <C>
      CLASS A
      Marketing and advertising............      $248,373       $198,635        $330,555        $479,274        $135,638
      Amortization of commissions..........             0              0               0               0               0
      Printing of prospectuses and SAIs....         4,975          1,568           3,439          12,801             541
      Branch network costs allocated and
      interest expense.....................       957,635        184,663         682,751         939,991         104,321
      Service fees paid to PaineWebber
      Financial Advisors...................       247,066         52,362         203,239         234,882          37,705




                                       48
<PAGE>

                                                  U.S.                        INVESTMENT
                                              GOVERNMENT     LOW DURATION    GRADE INCOME    HIGH INCOME    STRATEGIC
                                              INCOME FUND        FUND            FUND            FUND       INCOME FUND
                                              -----------        ----            ----            ----       -----------

      CLASS B
      Marketing and advertising............       $16,466        $26,703         $51,945        $280,995        $148,307
      Amortization of commissions..........        61,070         26,029         119,255         487,776         153,378
      Printing of prospectuses and SAIs....           347            101             435           5,129             587
      Branch network costs allocated and
      interest expense.....................        72,022         27,102         125,349         544,766         134,203
      Service fees paid to PaineWebber
      Financial Advisors...................        16,639          7,011          32,594         136,931          41,552

      CLASS C
      Marketing and advertising............       $22,126       $264,608         $51,897        $181,847        $101,760
      Amortization of commissions..........        44,096        139,035          64,529         177,909          56,915
      Printing of prospectuses and SAIs....           463          1,135             479           4,454             417
      Branch network costs allocated and
      interest expense.....................        86,167        247,298         108,706         355,743          79,207
      Service fees paid to PaineWebber
      Financial Advisors...................        22,049         69,517          32,048          88,954          28,458
</TABLE>

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

      In approving each fund's overall Flexible  Pricing(SERVICEMARK)  system of
distribution,  the applicable board considered  several factors,  including that
implementation  of Flexible  Pricing  would (1) enable  investors  to choose the
purchasing option best suited to their individual situation, thereby encouraging
current  shareholders to make additional  investments in the fund and attracting
new  investors  and  assets  to the  fund to the  benefit  of the  fund  and its
shareholders,  (2) facilitate distribution of the fund's shares and (3) maintain
the  competitive  position  of the fund in  relation  to other  funds  that have
implemented or are seeking to implement similar distribution arrangements.

      In approving the Class A Plan,  each board  considered all the features of
the distribution system,  including (1) the conditions under which initial sales
charges would be imposed and the amount of such charges,  (2) Mitchell Hutchins'
belief  that the  initial  sales  charge  combined  with a service  fee would be
attractive to PaineWebber Financial Advisors and correspondent firms,  resulting
in  greater  growth  of the fund  than  might  otherwise  be the  case,  (3) the
advantages to the  shareholders  of economies of scale  resulting from growth in
the fund's assets and potential  continued growth,  (4) the services provided to
the fund and its shareholders by Mitchell Hutchins, (5) the services provided by
PaineWebber  pursuant to its Exclusive Dealer  Agreement with Mitchell  Hutchins
and (6) Mitchell Hutchins' shareholder service-related expenses and costs.

      In approving the Class B Plan,  the board of each fund  considered all the
features of the  distribution  system,  including (1) the conditions under which
contingent  deferred  sales  charges  would be  imposed  and the  amount of such
charges,  (2) the  advantage  to investors  in having no initial  sales  charges
deducted  from fund  purchase  payments and instead  having the entire amount of
their  purchase  payments  immediately  invested in fund  shares,  (3)  Mitchell
Hutchins'  belief  that  the  ability  of  PaineWebber  Financial  Advisors  and
correspondent  firms to receive sales  commissions  when Class B shares are sold
and continuing service fees thereafter while their customers invest their entire
purchase  payments  immediately in Class B shares would prove  attractive to the
Financial Advisors and correspondent  firms,  resulting in greater growth of the
fund than might otherwise be the case, (4) the advantages to the shareholders of


                                       49
<PAGE>

economies  of scale  resulting  from growth in the fund's  assets and  potential
continued growth,  (5) the services provided to the fund and its shareholders by
Mitchell  Hutchins,  (6) the services  provided by  PaineWebber  pursuant to its
Exclusive  Dealer  Agreement with Mitchell  Hutchins and (7) Mitchell  Hutchins'
shareholder  service- and  distribution-related  expenses  and costs.  The board
members also  recognized  that  Mitchell  Hutchins'  willingness  to  compensate
PaineWebber  and its  Financial  Advisors,  without the  concomitant  receipt by
Mitchell Hutchins of initial sales charges, was conditioned upon its expectation
of being compensated under the Class B Plan.

      In approving the Class C Plan,  each board  considered all the features of
the distribution  system,  including (1) the advantage to investors in having no
initial sales charges  deducted from fund purchase  payments and instead  having
the  entire  amount of their  purchase  payments  immediately  invested  in fund
shares,  (2) the advantage to investors in being free from  contingent  deferred
sales charges upon  redemption for shares held more than one year and paying for
distribution on an ongoing basis, (3) Mitchell Hutchins' belief that the ability
of  PaineWebber  Financial  Advisors and  correspondent  firms to receive  sales
compensation  for their sales of Class C shares on an ongoing basis,  along with
continuing  service fees,  while their  customers  invest their entire  purchase
payments  immediately  in Class C shares and  generally  do not face  contingent
deferred sales  charges,  would prove  attractive to the Financial  Advisors and
correspondent  firms,  resulting  in  greater  growth  to the  fund  than  might
otherwise be the case,  (4) the advantages to the  shareholders  of economies of
scale resulting from growth in the fund's assets and potential continued growth,
(5) the services provided to the fund and its shareholders by Mitchell Hutchins,
(6) the  services  provided  by  PaineWebber  pursuant to its  Exclusive  Dealer
Agreement with Mitchell Hutchins and (7) Mitchell Hutchins' shareholder service-
and  distribution-related  expenses and costs. The board members also recognized
that Mitchell Hutchins' willingness to compensate  PaineWebber and its Financial
Advisors,  without the concomitant receipt by Mitchell Hutchins of initial sales
charges or  contingent  deferred  sales charges upon  redemption  after one year
following  purchase was conditioned  upon its  expectation of being  compensated
under the Class C Plan.

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

      Under the Distribution  Contract between each Trust and Mitchell  Hutchins
for the Class A shares for the fiscal years set forth below,  Mitchell  Hutchins
earned the  following  approximate  amounts of sales  charges and  retained  the
following  approximate  amounts,  net of concessions to PaineWebber as exclusive
dealer.

<TABLE>
<CAPTION>
                                                       FISCAL YEARS ENDED NOVEMBER 30,
                                                  1999              1998              1997
                                                  ----              ----              ----
<S>                                         <C>                   <C>                <C>
     U.S. GOVERNMENT INCOME FUND
          Earned.......................     $     24,995          $ 32,953           $ 13,156
          Retained....................             1,726             5,284              1,562
     LOW DURATION FUND
          Earned.......................          126,998            84,972             14,824
          Retained....................             1,800             1,664                261
     INVESTMENT GRADE INCOME FUND
          Earned.......................           70,668           151,513             51,469
          Retained....................             4,388             7,946              4,100
     HIGH INCOME FUND
          Earned.......................          303,464           419,260            506,732
          Retained....................            22,045            33,441             36,405
</TABLE>





                                       50
<PAGE>

<TABLE>
<CAPTION>
                                                        FISCAL YEARS ENDED NOVEMBER 30,
                                                   1999              1998              1997
                                                   ----              ----              ----
<S>                                                <C>              <C>                <C>
      STRATEGIC INCOME FUND
           Earned.......................           48,955           163,983            157,647
           Retained....................             6,139            12,827             11,028
</TABLE>


      Mitchell  Hutchins earned and retained the following  contingent  deferred
sales  charges  paid upon  certain  redemptions  of Class A, Class B and Class C
shares for the fiscal year ended November 30, 1999:

<TABLE>
<CAPTION>
                                   U.S.                        INVESTMENT
                                GOVERNMENT    LOW DURATION   GRADE INCOME     HIGH INCOME      STRATEGIC
                               INCOME FUND        FUND            FUND            FUND        INCOME FUND
                               -----------        ----            ----            ----        -----------
<S>                                <C>            <C>             <C>             <C>             <C>

     Class A...............        $   0          $   0           $   0           $   0           $   0
     Class B...............       47,957         19,192         120,424         442,931         146,545
     Class C...............        2,829          9,891           6,884          18,779           5,483
</TABLE>

                             PORTFOLIO TRANSACTIONS

      Subject to policies  established by each board,  Mitchell Hutchins (or for
Low Duration  Fund the  sub-adviser)  is  responsible  for the execution of each
fund's portfolio transactions and the allocation of brokerage  transactions.  In
executing  portfolio  transactions,  Mitchell Hutchins (or for Low Duration Fund
the  sub-adviser)  seeks to obtain the best net results for a fund,  taking into
account such factors as the price (including the applicable brokerage commission
or dealer  spread),  size of order,  difficulty  of  execution  and  operational
facilities  of  the  firm   involved.   Generally,   bonds  are  traded  on  the
over-the-counter  market on a "net" basis  without a stated  commission  through
dealers  acting for their own accounts and not through  brokers.  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.  While  Mitchell  Hutchins  (and for Low
Duration Fund the sub-adviser)  generally seek reasonably competitive commission
rates,  payment of the lowest  commission  is not  necessarily  consistent  with
obtaining the best net results.

      During  the  fiscal  years   indicated,   the  funds  paid  the  brokerage
commissions set forth below:


                                       FISCAL YEARS ENDED NOVEMBER 30,

                                         1999        1998        1997
                                         ----        ----        ----
      U.S. Government Income Fund..    $16,320    $121,482    $105,150
      Low Duration Fund............        640           0           0
      Investment Grade Income Fund.          0       5,412       2,400
      High Income Fund.............     23,954       8,104       2,939
      Strategic Income Fund........      6,033      10,079           0


      The funds have no  obligation  to deal with any broker or group of brokers
in  the  execution  of  portfolio  transactions.  The  funds  contemplate  that,
consistent  with  the  policy  of  obtaining  the best  net  results,  brokerage
transactions  may be  conducted  through  Mitchell  Hutchins or its  affiliates,
including  PaineWebber,  (or for Low Duration Fund  brokerage  affiliates of the
sub-adviser).  Each board has adopted  procedures in conformity  with Rule 17e-1
under the Investment  Company Act to ensure that all brokerage  commissions paid
to PaineWebber  or brokerage  affiliates of the  sub-adviser  are reasonable and


                                       51
<PAGE>

fair.  Specific  provisions  in the  Advisory  Contracts  and  the  Sub-Advisory
Contract authorize Mitchell Hutchins and the sub-adviser,  respectively, and any
of their affiliates that is a member of a national securities exchange to effect
portfolio  transactions  for the applicable  fund on such exchange and to retain
compensation in connection with such transactions. Any such transactions will be
effected and related  compensation  paid only in accordance  with applicable SEC
regulations.  None of the funds paid brokerage commissions to PaineWebber or, in
the case of Low Duration Fund,  brokerage  affiliates of the sub-adviser  during
the last three fiscal years.

      Transactions in futures contracts are executed through futures  commission
merchants ("FCMs"),  who receive brokerage  commissions for their services.  The
funds'  procedures in selecting  FCMs to execute their  transactions  in futures
contracts,  including procedures permitting the use of Mitchell Hutchins and its
affiliates or affiliates of the sub-adviser, are similar to those in effect with
respect to brokerage transactions in securities.

      In selecting  brokers,  Mitchell  Hutchins  (or for Low Duration  Fund the
sub-adviser)  will  consider the full range and quality of a broker's  services.
Consistent  with the  interests  of the funds and  subject to the review of each
board,  Mitchell Hutchins (or for Low Duration Fund the sub-adviser) may cause a
fund to  purchase  and sell  portfolio  securities  through  brokers who provide
Mitchell  Hutchins (or for Low Duration Fund the sub-adviser)  with brokerage or
research services.  The funds may pay those brokers a higher commission than may
be charged by other  brokers,  provided  that  Mitchell  Hutchins or (or for Low
Duration Fund the sub-adviser)  determines in good faith that such commission is
reasonable  in terms  either of that  particular  transaction  or of the overall
responsibility  of Mitchell Hutchins (or for Low Duration Fund the sub-adviser),
to that fund and its other clients.

      Research  services  obtained  from  brokers may include  written  reports,
pricing and appraisal  services,  analysis of issues raised in proxy statements,
educational  seminars,  subscriptions,   portfolio  attribution  and  monitoring
services, and computer hardware,  software and access charges which are directly
related to investment research. Research services may be received in the form of
written reports, online services,  telephone contacts and personal meetings with
securities  analysts,  economists,  corporate  and  industry  spokespersons  and
government representatives.

      For the fiscal year ended  November 30, 1999, the funds did not direct any
portfolio   transactions  to  brokers  chosen  because  they  provide  research,
analysis, advice and similar services.

      For  purchases or sales with  broker-dealer  firms that act as  principal,
Mitchell  Hutchins  (or  for Low  Duration  Fund  the  sub-adviser)  seeks  best
execution.  Although  Mitchell  Hutchins  or  (or  for  Low  Duration  Fund  the
sub-adviser)  may receive certain  research or execution  services in connection
with  these  transactions,  Mitchell  Hutchins  (and for Low  Duration  Fund the
sub-adviser)  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  (or  for Low
Duration  Fund  the   sub-adviser)   may  engage  in  agency   transactions   in
over-the-counter equity and debt securities in return for research and execution
services. These transactions are entered into only in compliance with procedures
ensuring that the transaction  (including  commissions) is at least as favorable
as it would have been if  effected  directly  with a  market-maker  that did not
provide research or execution services.

      Research  services and  information  received  from brokers or dealers are
supplemental to Mitchell  Hutchins' (or for Low Duration Fund the sub-adviser's)
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  (or for Low
Duration  Fund  the  sub-adviser)  in  advising  other  funds or  accounts  and,
conversely,  research services furnished to Mitchell Hutchins or the sub-adviser
by brokers or dealers in connection  with other funds or accounts that either of
them advises may be used in advising the funds.

      Investment  decisions for a fund and for other investment accounts managed
by Mitchell  Hutchins (or for Low  Duration  Fund by the  sub-adviser)  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 a
fund and one or more of such accounts. In such cases,  simultaneous transactions


                                       52
<PAGE>

are  inevitable.  Purchases or sales are then averaged as to price and allocated
between that fund and such other  account(s) as to amount according to a formula
deemed  equitable  to the fund and such  account(s).  While in some  cases  this
practice could have a detrimental effect upon the price or value of the security
as far as a fund is concerned, or upon its ability to complete its entire order,
in other cases it is believed that  coordination  and the ability to participate
in volume transactions will be beneficial to the fund.

      The funds will not purchase  securities that are offered in  underwritings
in which  PaineWebber (or for Low Duration Fund an affiliate of the sub-adviser)
is a member of the underwriting or selling group,  except pursuant to procedures
adopted by each board pursuant to Rule 10f-3 under the  Investment  Company Act.
Among other things,  these procedures require that the spread or commission paid
in connection  with such a purchase be reasonable  and fair,  the purchase be at
not more than the public  offering  price prior to the end of the first business
day after the date of the public offering and that  PaineWebber or any affiliate
thereof or an affiliate of the  sub-adviser  not  participate in or benefit from
the sale to the funds.

      As of  November  30,  1999,  the funds  owned  securities  issued by their
regular broker-dealers as follows:

      Low Duration  Fund:  collateralized  mortgage  obligation  of Prudential
      Securities  CMO  Trust,  Series  18,  Class E  ($3,165,782);  repurchase
      agreement with State Street Bank & Trust Co. ($6,134,000).

      Investment  Grade Income Fund:  collateralized  mortgage  obligation of CS
      First  Boston  Mortgage   Securities  Corp.   Series  1998-C2,   Class  A2
      ($4,708,200);   corporate   bond  issued  by  Lehman   Brothers   Holdings
      Incorporated ($6,857,760);  repurchase agreements with State Street Bank &
      Trust Co. ($10,000,000) and SG Warburg ($10,910,000).

      Strategic  Income Fund:  collateralized  mortgage  obligation  of CS First
      Boston Mortgage  Securities Corp.  Series 1997-C2,  Class A2 ($3,869,400);
      DLJ Commercial Mortgage Corp. Series 1998-CG1, Class A1B ($950,700); First
      Union  Lehman   Brothers   Mortgage  Trust,   Series  1997-C2,   Class  A3
      ($6,586,768); repurchase agreement with Zions Bancorp ($3,087,000).

      US Government Income Fund:  collateralized mortgage obligation of CS First
      Boston Mortgage Securities Corp., Series 1997-2, Class A ($1,344,314);  CS
      First  Boston  Mortgage  Securities  Corp.,   Series  1998-C2,   Class  A2
      ($4,708,200);  DLJ Commercial Mortgage Corp.,  Series 1998-CF2,  Class A1A
      ($3,582,664);  Morgan  Stanley  Capital  I,  Series  1997-ALIC,  Class A1B
      ($3,623,771);   Morgan  Stanley  Capital  I,  Series  1997-WF1,  Class  A1
      ($4,911,041); repurchase agreement with Dresdner Bank AG ($2,648,000).


      PORTFOLIO  TURNOVER.  The funds' annual portfolio  turnover rates may vary
greatly  from  year to  year,  but  they  will  not be a  limiting  factor  when
management deems portfolio changes  appropriate.  The portfolio turnover rate is
calculated  by dividing  the lesser of a fund's  annual  sales or  purchases  of
portfolio  securities  (exclusive  of  purchases  or sales of  securities  whose
maturities  at the time of  acquisition  were  one year or less) by the  monthly
average value of securities in the portfolio during the year.

      The funds' respective  portfolio turnover rates for the fiscal years shown
were:

                                              FISCAL YEARS ENDED NOVEMBER 30,
                                                    1999            1998
                                                    ----            ----
      U.S. Government Income Fund.........          375%            370%
      Low Duration Fund...................          270%            411%
      Investment Grade Income Fund........          195%            173%
      High Income Fund....................          62%             161%
      Strategic Income Fund...............          226%            192%




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<PAGE>

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

      WAIVERS  OF SALES  CHARGES/CONTINGENT  DEFERRED  SALES  CHARGES -- CLASS A
SHARES. The following  additional sales charge waivers are available for Class A
shares if you:

      o     Purchase shares through a variable annuity offered only to qualified
            plans.  For  investments  made  pursuant  to this  waiver,  Mitchell
            Hutchins may make payments out of its own  resources to  PaineWebber
            and to the variable annuity's  sponsor,  adviser or distributor in a
            total amount not to exceed l% of the amount invested;

      o     Acquire shares  through an investment  program that is not sponsored
            by PaineWebber or its affiliates and that charges participants a fee
            for program services,  provided that the program sponsor has entered
            into a written  agreement  with  PaineWebber  permitting the sale of
            shares at net asset  value to that  program.  For  investments  made
            pursuant to this  waiver,  Mitchell  Hutchins  may make a payment to
            PaineWebber  out of its own  resources in an amount not to exceed 1%
            of the amount invested. For subsequent investments or exchanges made
            to implement a rebalancing  feature of such an  investment  program,
            the minimum subsequent investment requirement is also waived;

      o     Acquire shares in connection with a reorganization pursuant to which
            a fund acquires  substantially  all of the assets and liabilities of
            another fund in exchange solely for shares of the acquiring fund; or

      o     Acquire shares in connection  with the  disposition of proceeds from
            the sale of shares of Managed  High  Yield Plus Fund Inc.  that were
            acquired  during that fund's initial  public  offering of shares and
            that meet certain other conditions described in its prospectus.

      In addition, reduced sales charges on Class A shares are available through
the combined  purchase plan or through rights of accumulation  described  below.
Class A share  purchases  of $1  million  or more are not  subject to an initial
sales charge; however, if a shareholder sells these shares within one year after
purchase,  a contingent deferred sales charge of 1% of the offering price or the
net asset value of the shares at the time of sale by the shareholder,  whichever
is less, is imposed.

      COMBINED  PURCHASE  PRIVILEGE  -- CLASS A SHARES.  Investors  and eligible
groups of related fund investors may combine  purchases of Class A shares of the
funds  with  concurrent  purchases  of Class A shares of any  other  PaineWebber
mutual fund and thus take  advantage of the reduced sales  charges  indicated in
the  tables of sales  charges  for Class A shares in the  Prospectus.  The sales
charge payable on the purchase of Class A shares of the funds and Class A shares
of such other funds will be at the rates  applicable  to the total amount of the
combined concurrent purchases.

      An  "eligible  group  of  related  fund  investors"  can  consist  of  any
combination of the following:

      (a)   an individual, that individual's spouse, parents and children;

      (b)   an individual and his or her individual retirement account ("IRA");

      (c)   an individual  (or eligible  group of  individuals)  and any company
            controlled  by the  individual(s)  (a  person,  entity or group that
            holds  25%  or  more  of  the  outstanding  voting  securities  of a
            corporation  will  be  deemed  to  control  the  corporation,  and a
            partnership  will be deemed to be  controlled by each of its general
            partners);

      (d)   an individual  (or eligible  group of  individuals)  and one or more
            employee benefit plans of a company controlled by the individual(s);



                                       54
<PAGE>

      (e)  an individual (or eligible group of individuals)  and a trust created
            by the individual(s),  the beneficiaries of which are the individual
            and/or the individual's spouse, parents or children;

      (f)   an individual and a Uniform Gifts to Minors Act/Uniform Transfers to
            Minors Act account  created by the  individual  or the  individual's
            spouse;

      (g)   an  employer  (or  group  of  related  employers)  and  one or  more
            qualified  retirement  plans  of  such  employer  or  employers  (an
            employer  controlling,  controlled  by or under common  control with
            another employer is deemed related to that other employer); or

      (h)   individual accounts related together under one registered investment
            adviser having full  discretion  and control over the accounts.  The
            registered  investment  adviser must  communicate at least quarterly
            through  a  newsletter   or   investment   update   establishing   a
            relationship with all of the accounts.

      RIGHTS  OF  ACCUMULATION  -- CLASS A SHARES.  Reduced  sales  charges  are
available  through a right of  accumulation,  under which investors and eligible
groups of related fund  investors  (as defined  above) are permitted to purchase
Class A shares  of the  funds  among  related  accounts  at the  offering  price
applicable to the total of (1) the dollar amount then being  purchased  plus (2)
an amount equal to the then-current net asset value of the purchaser's  combined
holdings  of Class A fund  shares  and Class A shares  of any other  PaineWebber
mutual  fund.  The  purchaser  must  provide  sufficient  information  to permit
confirmation of his or her holdings, and the acceptance of the purchase order is
subject  to such  confirmation.  The right of  accumulation  may be  amended  or
terminated at any time.

      REINSTATEMENT PRIVILEGE -- CLASS A SHARES.  Shareholders who have redeemed
Class A shares of a fund may reinstate  their account  without a sales charge by
notifying  the  transfer  agent of such  desire and  forwarding  a check for the
amount  to be  purchased  within  365 days  after  the date of  redemption.  The
reinstatement  will be made at the net asset value per share next computed after
the notice of  reinstatement  and check are  received.  The amount of a purchase
under this  reinstatement  privilege  cannot exceed the amount of the redemption
proceeds.   Gain  on  a  redemption   is  taxable   regardless  of  whether  the
reinstatement  privilege  is  exercised,  although  a  loss  arising  out  of  a
redemption will not be deductible to the extent the  reinstatement  privilege is
exercised within 30 days after redemption,  in which event an adjustment will be
made  to the  shareholder's  tax  basis  for  shares  acquired  pursuant  to the
reinstatement  privilege.  Gain or loss on a redemption  also will be readjusted
for federal  income tax purposes by the amount of any sales charge paid on Class
A shares,  under the  circumstances  and to the  extent  described  in "Taxes --
Special Rule for Class A Shareholders," below.

      WAIVERS  OF  CONTINGENT  DEFERRED  SALES  CHARGES  -- CLASS B SHARES.  The
maximum 5% contingent  deferred  sales charge (3% for Low Duration Fund) applies
to sales of shares during the first year after  purchase.  The charge  generally
declines  by 1%  annually,  reaching  zero after six years  (four  years for Low
Duration Fund). Among other circumstances,  the contingent deferred sales charge
on Class B shares is waived where a total or partial  redemption  is made within
one year following the death of the shareholder.  The contingent  deferred sales
charge waiver is available where the decedent is either the sole  shareholder or
owns  the  shares  with  his or her  spouse  as a joint  tenant  with  right  of
survivorship.  This waiver applies only to redemption of shares held at the time
of death.

      PURCHASES OF CLASS Y SHARES  THROUGH THE  PACE(SERVICEMARK)  MULTI ADVISOR
PROGRAM.  An investor who  participates in the  PACE(SERVICEMARK)  Multi Advisor
Program is eligible  to purchase  Class Y shares.  The  PACE(SERVICEMARK)  Multi
Advisor Program is an advisory  program  sponsored by PaineWebber  that provides
comprehensive investment services,  including investor profiling, a personalized
asset  allocation  strategy  using an appropriate  combination  of funds,  and a
quarterly investment performance review.  Participation in the PACE(SERVICEMARK)
Multi Advisor  Program is subject to payment of an advisory fee at the effective
maximum  annual  rate  of 1.5%  of  assets.  Employees  of  PaineWebber  and its
affiliates are entitled to a waiver of this fee. Please contact your PaineWebber
Financial  Advisor or  PaineWebber's  correspondent  firms for more  information
concerning mutual funds that are available through the  PACE(SERVICEMARK)  Multi
Advisor Program.



                                       55
<PAGE>

      PURCHASES    OF    CLASS    A    SHARES     THROUGH    THE     PAINEWEBBER
INSIGHTONE(SERVICEMARK)  PROGRAM.  Investors  who  purchase  shares  through the
PaineWebber  InsightOne(SERVICEMARK)  Program are  eligible to purchase  Class A
shares without a sales load.  The  PaineWebber  InsightOne(SERVICEMARK)  Program
offers a nondiscretionary  brokerage account to investors for an asset-based fee
at an annual rate of up to 1.5% of the assets in the  account.  Account  holders
may purchase or sell certain  investment  products without paying commissions or
other markups/markdowns.

      PURCHASES AND SALES OF CLASS Y SHARES FOR  PARTICIPANTS  IN PW 401(K) PLUS
PLAN.  The  trustee of the PW 401(k)  Plus  Plan,  a defined  contribution  plan
sponsored  by PW  Group,  buys and sells  Class Y shares  of the funds  that are
included  as  investment  options  under the Plan to  implement  the  investment
choices  of  individual  plan   participants  with  respect  to  their  PW  Plan
contributions.  Individual  plan  participants  should  consult the Summary Plan
Description  and other plan  material of the PW 401(k) Plus Plan  (collectively,
"Plan Documents") for a description of the procedures and limitations applicable
to making and changing  investment  choices.  Copies of the Plan  Documents  are
available from the Benefits Connection, 100 Halfday Road, Lincolnshire, IL 60069
or  by  calling  1-888-PWEBBER  (1-888-793-2237).   As  described  in  the  Plan
Documents,  the price at which Class Y shares are bought and sold by the trustee
of PW  401(k)  Plus  Plan  might be more or less than the price per share at the
time the participants made their investment choices.

      ADDITIONAL  EXCHANGE  AND  REDEMPTION  INFORMATION.  As  discussed  in the
Prospectus,  eligible  shares of the funds may be  exchanged  for  shares of the
corresponding  class of most other PaineWebber  mutual funds. Class Y shares are
not eligible for exchange. Shareholders will receive at least 60 days' notice of
any termination or material modification of the exchange offer, except no notice
need be given if, under  extraordinary  circumstances,  either  redemptions  are
suspended under the circumstances  described below or a fund temporarily  delays
or  ceases  the sales of its  shares  because  it is  unable  to invest  amounts
effectively in accordance  with the fund's  investment  objective,  policies and
restrictions.

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

      The  funds 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 a fund to dispose of securities owned by it or fairly
to determine the value of its assets or (3) as the SEC may otherwise permit. The
redemption price may be more or less than the shareholder's  cost,  depending on
the market value of a fund's portfolio at the time.

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

      AUTOMATIC INVESTMENT PLAN. PaineWebber offers an automatic investment plan
with a minimum initial investment of $1,000 through which a fund will deduct $50
or more on a monthly, quarterly, semi-annual or annual basis from the investor's
bank  account to invest  directly in the fund.  Participation  in the  automatic
investment  plan  enables an  investor  to use the  technique  of  "dollar  cost
averaging." When an investor invests the same dollar amount each month under the
plan,  the investor  will purchase more shares when a fund's net asset value per
share is low and fewer shares when the net asset value per share is high.  Using


                                       56
<PAGE>

this technique,  an investor's  average  purchase price per share over any given
period will be lower than if the investor  purchased a fixed number of shares on
a monthly basis during the period.  Of course,  investing  through the automatic
investment  plan does not assure a profit or protect  against  loss in declining
markets. Additionally, because the automatic investment plan involves continuous
investing  regardless of price levels,  an investor  should  consider his or her
financial  ability to continue  purchases  through  periods of both low and high
price levels.

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

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

      o     Class B shares.  Minimum  value of fund shares is  $10,000;  minimum
            monthly,  quarterly, and semi-annual and annual withdrawals of $100,
            $200, $300 and $400, respectively.

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

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

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

      TRANSFER  OF  ACCOUNTS.  If  investors  holding  shares  of  a  fund  in a
PaineWebber brokerage account transfer their brokerage accounts to another firm,
the fund shares  will be moved to an account  with PFPC.  However,  if the other
firm has  entered  into a  selected  dealer  agreement  with  Mitchell  Hutchins
relating  to the fund,  the  shareholder  may be able to hold fund  shares in an
account with the other firm.



                                       57
<PAGE>

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

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

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

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

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

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

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

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

      o     automatic  "sweep" of uninvested  cash into the RMA  accountholder's
            choice of one of the six RMA money  market  funds--RMA  Money Market
            Portfolio,  RMA U.S.  Government  Portfolio,  RMA Tax-Free Fund, RMA
            California Municipal Money Fund, RMA New Jersey Municipal Money Fund
            and  RMA  New York Municipal  Money  Fund. AN INVESTMENT  IN A MONEY
            MARKET FUND IS NOT  INSURED OR  GUARANTEED  BY THE  FEDERAL  DEPOSIT


                                       58
<PAGE>

            INSURANCE  CORPORATION OR ANY OTHER  GOVERNMENT  AGENCY.  ALTHOUGH A
            MONEY MARKET FUND SEEKS TO PRESERVE THE VALUE OF YOUR  INVESTMENT AT
            $1.00 PER SHARE,  IT IS  POSSIBLE  TO LOSE MONEY BY  INVESTING  IN A
            MONEY MARKET FUND.

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

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

      o     unlimited  electronic funds transfers and a bill payment service for
            an additional fee;

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

      o     expanded account protection for the net equity securities balance in
            the event of the  liquidation of  PaineWebber.  This protection does
            not apply to shares of funds  that are held at PFPC and not  through
            PaineWebber; and

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

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

                          CONVERSION OF CLASS B SHARES

      Class B shares of a fund will  automatically  convert to Class A shares of
that fund,  based on the relative net asset values per share of the two classes,
as of the  close  of  business  on the  first  Business  Day (as  defined  under
"Valuation  of  Shares")  of the  month in which the  sixth  anniversary  of the
initial  issuance of such Class B shares occurs.  For the purpose of calculating
the  holding  period  required  for  conversion  of Class B shares,  the date of
initial  issuance  shall  mean (1) the date on which  such  Class B shares  were
issued or (2) for Class B shares  obtained  through an exchange,  or a series of
exchanges,  the date on which  the  original  Class B shares  were  issued.  For
purposes of conversion to Class A shares,  Class B shares purchased  through the
reinvestment  of dividends  and other  distributions  paid in respect of Class B
shares will be held in a separate  sub-account.  Each time any Class B shares in
the shareholder's  regular account (other than those in the sub-account) convert
to Class A shares,  a pro rata portion of the Class B shares in the  sub-account
will also convert to Class A shares. The portion will be determined by the ratio
that the shareholder's  Class B shares converting to Class A shares bears to the
shareholder's  total Class B shares not  acquired  through  dividends  and other
distributions.

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

                             VALUATION OF SHARES

      Each fund  determines  its net asset value per share  separately  for each
class of shares, normally as of the close of regular trading (usually 4:00 p.m.,
Eastern  time) on the New York Stock  Exchange on each  Business  Day,  which is
defined as each Monday  through Friday when the New York Stock Exchange is open.
Prices will be calculated  earlier when the New York Stock Exchange closes early
because  trading  has been  halted  for the day.  Currently  the New York  Stock
Exchange is closed on the observance of the following holidays:  New Year's Day,


                                       59
<PAGE>

Martin  Luther  King,  Jr. Day,  Presidents'  Day,  Good Friday,  Memorial  Day,
Independence Day, Labor Day, Thanksgiving Day and Christmas Day.

      Securities  that are listed on U.S. and foreign stock  exchanges  normally
are  valued at the last sale  price on the day the  securities  are  valued  or,
lacking any sales on such day, at the last  available bid price.  In cases where
securities  are traded on more than one exchange,  the  securities are generally
valued on the exchange considered by Mitchell Hutchins (or for Low Duration Fund
the   sub-adviser)   as  the   primary   market.   Securities   traded   in  the
over-the-counter  market  and  listed  on The  Nasdaq  Stock  Market  ("Nasdaq")
normally  are  valued  at the  last  available  sale  price on  Nasdaq  prior to
valuation;  other  over-the-counter  securities are valued at the last bid price
available  prior to valuation.  Where market  quotations are readily  available,
portfolio  securities  are valued based upon market  quotations,  provided those
quotations  adequately reflect, in the judgment of Mitchell Hutchins (or for Low
Duration  Fund the  sub-adviser),  the fair value of the  security.  Where those
market  quotations are not readily  available,  securities are valued based upon
appraisals received from a pricing service using a computerized matrix system or
based upon  appraisals  derived  from  information  concerning  the  security or
similar  securities  received from recognized  dealers in those securities.  All
other securities and other assets are valued at fair value as determined in good
faith by or under the direction of the applicable board. It should be recognized
that judgment  often plays a greater role in valuing  thinly traded  securities,
including  many lower rated bonds,  than is the case with respect to  securities
for which a broader  range of dealer  quotations  and last-sale  information  is
available.  The  amortized  cost method of valuation  generally is used to value
debt  obligations  with 60 days or less  remaining  until  maturity,  unless the
applicable board determines that this does not represent fair value.

      All  investments  quoted in foreign  currency will be valued daily in U.S.
dollars on the basis of the current  foreign  currency  exchange  rate.  Foreign
currency  exchange rates are generally  determined prior to the close of regular
trading on the New York Stock Exchange.  Occasionally events affecting the value
of foreign  investments  and such exchange rates occur between the time at which
they are  determined  and the close of trading  on the New York Stock  Exchange,
which events would not be  reflected  in the  computation  of a fund's net asset
value on that day. If events materially  affecting the value of such investments
or currency  exchange rates occur during such time period,  the investments will
be  valued  at their  fair  value as  determined  in good  faith by or under the
direction of the applicable board. The foreign currency exchange transactions of
the funds conducted on a spot (i.e., cash) basis are valued at the spot rate for
purchasing or selling currency prevailing on the foreign exchange market.  Under
normal market conditions this rate differs from the prevailing  exchange rate by
less than  one-tenth  of one  percent  due to the costs of  converting  from one
currency to another.

                           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 and principal
value  of an  investment  will  fluctuate  so that an  investor's  shares,  when
redeemed, may be worth more or less than their original cost.

      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.  In calculating the ending  redeemable  value,  for Class A shares,  the
maximum  4.0% sales charge  (3.0% for Low  Duration  Fund) is deducted  from the
initial  $1,000  payment  and,  for Class B and Class C shares,  the  applicable


                                       60
<PAGE>

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

      The funds also may refer in  Performance  Advertisements  to total  return
performance  data that are not  calculated  according  to the  formula set forth
above ("Non-Standardized  Return"). The funds calculate  Non-Standardized Return
for specified periods of time by assuming an investment of $1,000 in fund shares
and assuming the reinvestment of all dividends and other distributions. The rate
of return is determined by subtracting  the initial value of the investment from
the ending value and by dividing the  remainder  by the initial  value.  Neither
initial  nor  contingent  deferred  sales  charges  are taken  into  account  in
calculating Non-Standardized Return; the inclusion of those charges would reduce
the return.

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

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

<TABLE>
<CAPTION>

                                            U.S. GOVERNMENT INCOME FUND

       CLASS                                           CLASS A           CLASS B          CLASS C           CLASS Y
       (INCEPTION DATE)                               (08/31/84)       (07/01/91)        (07/02/92)       (09/11/91)
       ----------------                               ----------       ----------        ----------       ----------
<S>                                                     <C>              <C>               <C>              <C>
       Year ended November 30, 1999:
           Standardized Return*...............          (6.02)%          (7.55)%           (3.34)%          (1.87)%
           Non-Standardized Return.........             (2.14)%          (2.93)%           (2.65)%          (1.87)%
       Five Years ended November 30, 1999:
           Standardized Return*...............            5.45%            5.15%             5.76%            6.62%
           Non-Standardized Return.........               6.30%            5.47%             5.76%            6.62%
       Ten Years ended November 30, 1999
           Standardized Return.................           5.34%              N/A               N/A              N/A
           Non-Standardized Return.........               5.78%              N/A               N/A              N/A
       Inception to November 30, 1999:
           Standardized Return*...............            7.16%            4.53%             3.36%            4.95%
           Non-Standardized Return.........               7.45%            4.53%             3.36%            4.95%


                                                  LOW DURATION FUND

       CLASS                                           CLASS A           CLASS B          CLASS C           CLASS Y
       (INCEPTION DATE)                               (05/03/93)       (05/03/93)        (05/03/93)       (10/20/95)
       ----------------                               ----------       ----------        ----------       ----------
       Year ended November 30, 1999:
           Standardized Return*...............          (0.92)%          (2.18)%             0.18%            1.81%
           Non-Standardized Return.........               1.99%            0.71%             0.90%            1.81%
       Five Years ended November 30, 1999:
           Standardized Return*...............            5.62%            5.30%             5.53%              N/A
           Non-Standardized Return.........               6.26%            5.30%             5.53%              N/A
       Inception to November 30, 1999:
           Standardized Return*...............            3.79%            3.38%             3.62%            5.47%
           Non-Standardized Return.........               4.29%            3.38%             3.62%            5.47%




                                       61
<PAGE>

                                    INVESTMENT GRADE INCOME FUND

       CLASS                                           CLASS A           CLASS B          CLASS C           CLASS Y
       (INCEPTION DATE)                               (08/31/84)       (07/01/91)        (07/02/92)       (02/20/98)
       ----------------                               ----------       ----------        ----------       ----------
       Year ended November 30, 1999:
           Standardized Return*...............          (5.56)%          (7.07)%           (2.89)%          (1.43)%
           Non-Standardized Return.........             (1.62)%          (2.46)%           (2.20)%          (1.43)%
       Five Years ended November 30, 1999:
           Standardized Return*...............            6.91%            6.64%             7.23%              N/A
           Non-Standardized Return.........               7.78%            6.95%             7.23%              N/A
       Ten Years ended November 30, 1999
           Standardized Return.................           7.38%              N/A               N/A              N/A
           Non-Standardized Return.........               7.82%              N/A               N/A              N/A
       Inception to November 30, 1999:
           Standardized Return*...............            8.80%            7.02%             5.95%            1.14%
           Non-Standardized Return.........               9.09%            7.02%             5.95%            1.14%


                                          HIGH INCOME FUND

       CLASS                                           CLASS A           CLASS B          CLASS C           CLASS Y
       (INCEPTION DATE)                               (08/31/84)       (07/01/91)        (07/02/92)       (02/20/98)
       ----------------                               ----------       ----------        ----------       ----------
       Year ended November 30, 1999:
           Standardized Return*...............          (1.71)%          (2.97)%             1.06%            2.68%
           Non-Standardized Return.........               2.42%            1.63%             1.75%            2.68%
       Five Years ended November 30, 1999:
           Standardized Return*...............            6.27%            6.04%             6.58%              N/A
           Non-Standardized Return.........               7.15%            6.31%             6.58%              N/A
       Ten Years ended November 30, 1999:
           Standardized Return.................           9.37%              N/A               N/A              N/A
           Non-Standardized Return.........               9.81%              N/A               N/A              N/A
       Inception to November 30, 1999:
           Standardized Return*...............            9.24%            9.07%             6.52%          (3.41)%
           Non-Standardized Return.........               9.53%            9.07%             6.52%          (3.41)%


                                        STRATEGIC INCOME FUND

       CLASS                                           CLASS A           CLASS B          CLASS C           CLASS Y
       (INCEPTION DATE)                               (02/07/94)       (02/07/94)        (02/07/94)       (02/17/98)
       ----------------                               ----------       ----------        ----------       ----------
       Year ended November 30, 1999:
           Standardized Return*...............          (2.52)%          (3.94)%             0.32%            1.91%
           Non-Standardized Return.........               1.56%            0.76%             1.03%            1.91%
       Five Years ended November 30, 1999:
           Standardized Return*...............            7.08%            6.85%             7.42%              N/A
           Non-Standardized Return.........               7.96%            7.15%             7.42%              N/A
       Inception to November 30, 1999:
           Standardized Return*...............            4.48%            4.31%             4.69%            0.48%
           Non-Standardized Return.........               5.22%            4.43%             4.69%            0.48%
</TABLE>



                                       62
<PAGE>

- --------------
*  All  Standardized  Return figures for Class A shares  reflect  deduction of
   the current maximum sales charge of 4.0% (3.0% for Low Duration Fund).  All
   Standardized  Return  figures  for  Class  B and  Class  C  shares  reflect
   deduction of the applicable  contingent deferred sales charges imposed on a
   redemption  of shares held for the period.  Class Y shares do not impose an
   initial or contingent  deferred sales charge;  therefore,  the  performance
   information is the same for both standardized  return and  non-standardized
   return for the periods indicated.



      YIELD.   Yields  used  in  each  fund's  Performance   Advertisements  are
calculated by dividing the fund's  interest  income  attributable  to a class of
shares for a 30-day  period  ("Period"),  net of expenses  attributable  to such
class,  by the  average  number of  shares of such  class  entitled  to  receive
dividends  during  the  Period  and  expressing  the  result  as  an  annualized
percentage (assuming semi-annual  compounding) of the maximum offering price per
share (in the case of Class A shares)  or the net asset  value per share (in the
case of Class B and Class C shares) at the end of the Period.  Yield  quotations
are calculated according to the following formula:

[OBJECT OMITTED]

          YIELD  =


       where:  a =  interest earned during the Period attributable to a class of
                    shares

               b =  expenses  accrued for  the Period attributable to a class of
                    shares (net of reimbursements)

               c =  the average  daily  number of shares of a class  outstanding
                    during the Period that were entitled to receive dividends

               d =  the maximum offering price per share (in the case of Class A
                    shares)  or the net  asset  value  per share (in the case of
                    Class B and Class C shares) on the last day of the Period.

      Except as noted below,  in determining  interest  income earned during the
Period (variable "a" in the above formula), each fund calculates interest earned
on each debt  obligation  held by it during  the  Period  by (1)  computing  the
obligation's  yield to  maturity,  based on the market  value of the  obligation
(including  actual accrued  interest) on the last business day of the Period or,
if the  obligation  was  purchased  during the Period,  the purchase  price plus
accrued  interest and (2) dividing the yield to maturity by 360, and multiplying
the resulting  quotient by the market value of the obligation  (including actual
accrued  interest) to determine the interest  income on the  obligation for each
day of the period that the obligation is in the portfolio.  Once interest earned
is  calculated  in this  fashion  for each  debt  obligation  held by the  fund,
interest  earned  during the Period is then  determined by totaling the interest
earned on all debt obligations. For purposes of these calculations, the maturity
of an obligation with one or more call provisions is assumed to be the next date
on which the obligation reasonably can be expected to be called or, if none, the
maturity  date.  With  respect to Class A shares,  in  calculating  the  maximum
offering  price per share at the end of the  Period  (variable  "d" in the above
formula),  the fund's current  maximum 4.0% (3.0% for Low Duration Fund) initial
sales charge on Class A shares is included.

      The following  table shows the yield for each class of shares of each fund
for the 30-day period ended November 30, 1999:

<TABLE>
<CAPTION>
                                U.S.                            INVESTMENT
                             GOVERNMENT       LOW DURATION     GRADE INCOME    HIGH INCOME FUND     STRATEGIC
                             INCOME FUND          FUND             FUND                            INCOME FUND
                             -----------          ----             ----                            -----------
<S>                           <C>               <C>              <C>               <C>               <C>
       Class A...........     5.60%             4.75%            6.79%             12.11%            7.17%
       Class B...........     5.03%             4.05%            6.30%             11.85%            6.65%
       Class C...........     5.30%             4.26%            6.58%             12.13%            6.91%
       Class Y...........     6.16%             5.17%            7.38%             12.93%            7.73%
</TABLE>




                                       63
<PAGE>

      OTHER INFORMATION.  In Performance  Advertisements,  the funds may compare
their  Standardized  Return  and/or  their  Non-Standardized  Return  with  data
published by Lipper Inc. ("Lipper") for U.S.  government funds (U.S.  Government
Income Fund and Low Duration Fund), corporate bond (BBB) funds (Investment Grade
Income  Fund)  and  high  yield  funds  (High  Income  Fund),   CDA   Investment
Technologies,   Inc.   ("CDA"),   Wiesenberger   Investment   Companies  Service
("Wiesenberger"),  Investment  Company Data, Inc. ("ICD") or Morningstar  Mutual
Funds  ("Morningstar"),  or with the performance of U.S. Treasury  securities of
various maturities, recognized stock, bond and other indices, including (but not
limited to) the Salomon  Brothers  Bond Index,  CS First  Boston High Yield Bond
Index,   Merrill   Lynch  High  Yield   Indices,   Lehman  Bond  Index,   Lehman
Government/Corporate Bond Index, the Standard & Poor's 500 Composite Stock Price
Index ("S&P 500"), the Dow Jones Industrial Average, and changes in the Consumer
Price Index as published by the U.S.  Department of Commerce.  These comparisons
also may include  economic data and statistics  published by the U.S.  Bureau of
Labor Statistics,  such as the cost of living index,  information and statistics
on the residential mortgage market or the market for mortgage-backed securities,
such as those  published  by the  Federal  Reserve  Bank,  the  Office of Thrift
Supervision,   Ginnie   Mae,   Fannie  Mae  and   Freddie  Mac  and  the  Lehman
Mortgage-Backed Securities Index. Each fund also may refer in these materials to
mutual fund  performance  rankings and other data,  such as  comparative  asset,
expense  and  fee  levels,  published  by  Lipper,  CDA,  Wiesenberger,  ICD  or
Morningstar.  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  include  discussions  or  illustrations  of the  effects of
compounding  in  Performance  Advertisements.  "Compounding"  refers to the fact
that, if dividends or other distributions on a fund investment are reinvested in
additional  fund shares,  any future  income or capital  appreciation  of a fund
would increase the value, not only of the original fund investment,  but also of
the additional fund shares received through reinvestment. As a result, the value
of a fund  investment  would  increase  more  quickly than if dividends or other
distributions had been paid in cash.

      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, the Bank Rate Monitor National Index and the averages of yields of CDs of
major banks published by  Banxquote(REGISTERED)  Money Markets. In comparing the
funds'  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. Shares of the funds are not insured or guaranteed by
the U.S.  government and returns and net asset values will  fluctuate.  The debt
securities held by the funds generally have longer  maturities than most CDs and
may reflect  interest  rate  fluctuations  for longer term debt  securities.  An
investment  in any fund  involves  greater  risks than an investment in either a
money market fund or a CD.

                                    TAXES

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

      SALE OR EXCHANGE OF FUND SHARES. A shareholder's sale (redemption) of fund
shares  may  result  in a  taxable  gain  or  loss,  depending  on  whether  the
shareholder  receives more or less than his or her adjusted basis for the shares
(which  normally  includes any initial sales charge paid on Class A shares).  An
exchange  of any fund's  shares for shares of another  PaineWebber  mutual  fund
generally will have similar tax  consequences.  In addition,  if a fund's shares
are  bought  within 30 days  before or after  selling  other  shares of the fund
(regardless  of  class)  at a loss,  all or a  portion  of that loss will not be
deductible and will increase the basis of the newly purchased shares.



                                       64
<PAGE>

      SPECIAL RULE FOR CLASS A  SHAREHOLDERS.  A special tax rule applies when a
shareholder  sells or  exchanges  Class A  shares  of a fund  within  90 days of
purchase  and  subsequently  acquires  Class A  shares  of the  same or  another
PaineWebber  mutual  fund  without  paying  a sales  charge  due to the  365-day
reinstatement  privilege or the exchange privilege.  In these cases, any gain on
the sale or exchange of the original  Class A shares would be increased,  or any
loss  would be  decreased,  by the  amount of the sales  charge  paid when those
shares were bought,  and that amount would increase the basis of the PaineWebber
mutual fund shares subsequently acquired.

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

      QUALIFICATION  AS A REGULATED  INVESTMENT  COMPANY.  Each fund  intends to
continue to qualify for  treatment  as a regulated  investment  company  ("RIC")
under the Internal  Revenue Code. To so qualify,  a 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, net short-term
capital  gains  and  net  gains  from  certain  foreign  currency  transactions)
("Distribution Requirement") and must meet several additional requirements.  For
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  or foreign  currencies,  or other income  (including
gains from options,  futures or forward  contracts)  derived with respect to its
business of investing in securities or those currencies ("Income  Requirement");
(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, with these
other securities  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  that  does not
represent more than 10% of the issuer's  outstanding voting securities;  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.

      By qualifying  for  treatment as a RIC, a fund (but not its  shareholders)
will be relieved  of federal  income tax on the part of its  investment  company
taxable income and net capital gain (i.e.,  the excess of net long-term  capital
gain over net short-term  capital loss) that it distributes to its shareholders.
If any 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,
including  distributions  of net capital gain, 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. Dividends and other distributions declared by a fund in
October,  November or December of any year and payable to shareholders of record
on a date in any of those  months  will be  deemed to have been paid by the fund
and  received  by  the   shareholders  on  December  31  of  that  year  if  the
distributions  are paid by the fund during the following  January.  Accordingly,
those  distributions  will be taxed to  shareholders  for the year in which that
December 31 falls.

      U.S. Government Income Fund and Low Duration Fund each invests exclusively
in debt securities and receives no dividend income;  accordingly,  no portion of
the  dividends  or other  distributions  paid by these funds is eligible for the
dividends-received deduction allowed to corporations.  Although Investment Grade
Income Fund,  High Income Fund and Strategic  Income Fund are authorized to hold
equity  securities,  it is expected that any dividend  income  received by these
funds will be minimal.

      If shares of a fund are sold at a loss after  being held for six months or
less, the loss will be treated as long-term, instead of short-term, capital loss
to the  extent of any  capital  gain  distributions  received  on those  shares.
Investors  also should be aware that if shares are purchased  shortly before the
record date for any dividend or capital gain distribution,  the shareholder will
pay full price for the shares and  receive  some  portion of the price back as a
taxable distribution.



                                       65
<PAGE>

      Each fund will be subject to a nondeductible  4% excise tax ("Excise Tax")
to the  extent  it  fails  to  distribute  by  the  end  of  any  calendar  year
substantially  all of its  ordinary  income for that year and  capital  gain net
income for the one-year  period ending on November 30 of that year, plus certain
other amounts.

      Dividends and interest received,  and gains realized, by a fund on foreign
securities  may be subject  to income,  withholding  or other  taxes  imposed by
foreign countries and U.S. possessions (collectively "foreign taxes") that would
reduce the return on its securities.  Tax conventions  between certain countries
and the United States,  however, may reduce or eliminate foreign taxes, and many
foreign countries do not impose taxes on capital gains in respect of investments
by foreign  investors.  If more than 50% of the value of Strategic Income Fund's
total assets at the close of its taxable year  consists of securities of foreign
corporations,  it will be  eligible  to,  and  may,  file an  election  with the
Internal  Revenue  Service that would  enable its  shareholders,  in effect,  to
receive the benefit of the foreign tax credit with respect to any foreign  taxes
it paid. Pursuant to the election, the fund would treat those taxes as dividends
paid to its  shareholders  and each shareholder (1) would be required to include
in gross income, and treat as paid by him or her, his or her proportionate share
of those  taxes,  (2) would be required to treat his or her share of those taxes
and of any dividend paid by the fund that represents income from foreign or U.S.
possessions  sources as his or her own income from those sources,  and (3) could
either  deduct the foreign  taxes deemed paid by him or her in computing  his or
her  taxable  income  or,  alternatively,   use  the  foregoing  information  in
calculating  the  foreign tax credit  against his or her federal  income tax. If
Strategic  Income Fund makes this election,  it will report to its  shareholders
shortly  after each taxable year their  respective  shares of foreign taxes paid
and the income from sources  within,  and taxes paid to,  foreign  countries and
U.S.  possessions.  Individuals  who have no more  than $300  ($600 for  married
persons filing  jointly) of creditable  foreign taxes included on Forms 1099 and
all of whose foreign source income is "qualified  passive income" may elect each
year to be exempt from the extremely  complicated foreign tax credit limitation,
in which event they would be able to claim a foreign tax credit  without  having
to file the detailed Form 1116 that otherwise is required.

      Each  fund  may  invest  in  the  stock  of  "passive  foreign  investment
companies"  ("PFICs") if that stock is a permissible  investment.  A PFIC is any
foreign corporation (with certain exceptions) that, in general,  meets either of
the following  tests:  (1) at least 75% of its gross income is passive or (2) an
average of at least 50% of its assets  produce,  or are held for the  production
of,  passive  income.  Under  certain  circumstances,  a fund will be subject to
federal  income tax on a portion of any  "excess  distribution"  received on the
stock of a PFIC or of any gain  from  disposition  of that  stock  (collectively
"PFIC income"),  plus interest  thereon,  even if the fund  distributes the PFIC
income as a taxable dividend to its shareholders. The balance of the PFIC income
will  be  included  in  the  fund's  investment   company  taxable  income  and,
accordingly,  will not be taxable to it to the extent it distributes that income
to its shareholders.

      If a fund  invests in a PFIC and elects to treat the PFIC as a  "qualified
electing  fund"  ("QEF"),  then  in  lieu  of the  foregoing  tax  and  interest
obligation,  the fund will be  required  to include in income  each year its pro
rata share of the QEF's annual ordinary earnings and net capital  gain--which it
may have to  distribute  to  satisfy  the  Distribution  Requirement  and  avoid
imposition of the Excise Tax--even if the QEF does not distribute those earnings
and  gain to the  fund.  In most  instances  it will be very  difficult,  if not
impossible, to make this election because of certain of its requirements.

      Each  fund  may  elect  to  "mark  to  market"  its  stock  in  any  PFIC.
"Marking-to-market,"  in this context,  means  including in ordinary income each
taxable year the excess, if any, of the fair market value of a PFIC's stock over
a fund's  adjusted  basis  therein as of the end of that year.  Pursuant  to the
election,  a fund also would be allowed to deduct (as an ordinary,  not capital,
loss) the  excess,  if any,  of its  adjusted  basis in PFIC stock over the fair
market value thereof as of the taxable  year-end,  but only to the extent of any
net  mark-to-market  gains with  respect to that stock  included by the fund for
prior taxable years under the election (and under  regulations  proposed in 1992
that provided a similar  election with respect to the stock of certain PFICs). A
fund's  adjusted  basis in each PFIC's  stock with  respect to which it has made
this  election  will be adjusted to reflect the amounts of income  included  and
deductions taken thereunder.

      The use of hedging  strategies,  such as writing  (selling) and purchasing
options and futures  contracts  and entering  into forward  currency  contracts,
involves  complex rules that will  determine for income tax purposes the amount,


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<PAGE>

character and timing of  recognition  of the gains and losses a fund realizes in
connection  therewith.  Gains from the disposition of foreign currencies (except
certain  gains  that may be  excluded  by future  regulations),  and gains  from
options,  futures and forward currency  contracts derived by a fund with respect
to its  business of  investing  in  securities  or foreign  currencies,  will be
treated as qualifying income under the Income Requirement.

      Certain futures,  foreign currency  contracts and listed nonequity options
(such as those on a securities  index) in which a fund may invest may be subject
to section 1256 of the Internal  Revenue Code  ("section 1256  contracts").  Any
section 1256  contracts a fund holds at the end of each  taxable year  generally
must be  "marked-to-market"  (that is,  treated as having been sold at that time
for their fair market value) for federal  income tax purposes,  which the result
that  unrealized  gains or losses will be treated as though they were  realized.
Sixty percent of any net gain or loss recognized on these deemed sales,  and 60%
of any net  realized  gain  or loss  from  any  actual  sales  of  section  1256
contracts,  will be treated as long-term  capital gain or loss,  and the balance
will be treated as short-term  capital gain or loss.  These rules may operate to
increase  the amount that a fund must  distribute  to satisfy  the  Distribution
Requirement  (i.e.,  with respect to the portion  treated as short-term  capital
gain),  which will be taxable to its  shareholders  as ordinary  income,  and to
increase  the  net  capital  gain a fund  recognizes,  without  in  either  case
increasing  the cash  available  to the  fund.  A fund may elect not to have the
foregoing  rules apply to any "mixed  straddle"  (that is, a  straddle,  clearly
identified by the fund in accordance with applicable  regulations,  at least one
(but not all) the positions of which are section 1256 contracts), although doing
so may have the effect of increasing  the relative  proportion of net short-term
capital  gain  (taxable as ordinary  income) and thus  increasing  the amount of
dividends that must be distributed.

      Offsetting positions in any actively traded security,  option,  futures or
forward  currency  contract  entered  into or held by a fund  may  constitute  a
"straddle"  for federal  income tax  purposes.  Straddles are subject to certain
rules that may affect the  amount,  character  and timing of a fund's  gains and
losses with  respect to  positions  of the  straddle by  requiring,  among other
things,  that (1) loss realized on  disposition of one position of a straddle be
deferred to the extent of any  unrealized  gain in an offsetting  position until
the latter  position is disposed  of, (2) the fund's  holding  period in certain
straddle  positions  not  begin  until  the  straddle  is  terminated  (possibly
resulting in gain being  treated as  short-term  rather than  long-term  capital
gain) and (3) losses recognized with respect to certain straddle positions, that
otherwise would constitute  short-term  capital losses,  be treated as long-term
capital losses.  Applicable  regulations also provide certain "wash sale" rules,
which  apply  to  transactions  where a  position  is  sold at a loss  and a new
offsetting  position is acquired  within a prescribed  period,  and "short sale"
rules applicable to straddles.  Different  elections are available to the funds,
which may mitigate the effects of the straddle rules,  particularly with respect
to mixed straddles.

      When a covered  call  option  written  (sold) by a fund  expires,  it will
realize a short-term capital gain equal to the amount of the premium it received
for writing the option.  When a fund  terminates its  obligations  under such an
option by entering  into a closing  transaction,  it will  realize a  short-term
capital gain (or loss), depending on whether the cost of the closing transaction
is less (or more) than the premium it received when it wrote the option.  When a
covered call option written by a fund is exercised,  the fund will be treated as
having sold the underlying  security,  producing long-term or short-term capital
gain or loss,  depending on the holding  period of the  underlying  security and
whether the sum of the option price received on the exercise plus the premium it
received  when it  wrote  the  option  is more or less  than  the  basis  of the
underlying security.

      If a fund has an "appreciated financial position"--generally,  an interest
(including an interest through an option,  futures or forward currency  contract
or short sale) with respect to any stock,  debt instrument (other than "straight
debt") or  partnership  interest  the fair  market  value of which  exceeds  its
adjusted basis--and enters into a "constructive sale" of the position,  the fund
will be treated as having made an actual sale thereof, with the result that gain
will be recognized at that time. A  constructive  sale  generally  consists of a
short sale, an offsetting  notional  principal  contract or a futures or forward
currency contract entered into by a fund or a related person with respect to the
same or  substantially  identical  property.  In  addition,  if the  appreciated
financial position is itself a short sale or such a contract, acquisition of the
underlying  property  or  substantially  identical  property  will be  deemed  a
constructive  sale.  The  foregoing  will  not  apply,   however,  to  a  fund's
transaction  during  any  taxable  year that  otherwise  would be  treated  as a
constructive  sale if the  transaction is closed within 30 days after the end of
that year and the fund holds the appreciated  financial position unhedged for 60
days after that  closing  (i.e.,  at no time during  that  60-day  period is the


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<PAGE>

fund's  risk of loss  regarding  that  position  reduced  by reason  of  certain
specified  transactions  with  respect  to  substantially  identical  or related
property,  such as having an option to sell,  being  contractually  obligated to
sell, making a short sale or granting an option to buy  substantially  identical
stock or securities).

      A fund  may  acquire  (1) zero  coupon  or other  securities  issued  with
original issue discount or (2) Treasury inflation-protected securities, on which
principal is adjusted  based on changes in the Consumer Price Index. A fund must
include  in its  gross  income  the  portion  of the OID that  accrues  on those
securities,  and the  amount of any  principal  increases  on TIPS,  during  the
taxable year, even if the fund receives no corresponding  payment on them during
the  year.  Similarly,  Investment  Grade  Income  Fund,  High  Income  Fund and
Strategic  Income  Fund each must  include  in its gross  income  securities  it
receives as  "interest"  on  payment-in-kind  securities.  Each fund has elected
similar treatment with respect to securities  purchased at a discount from their
face  value  ("market  discount").  Because  a  fund  annually  must  distribute
substantially  all of its  investment  company  taxable  income,  including  any
accrued  OID,  market  discount  and  other  non-cash  income,  to  satisfy  the
Distribution  Requirement  and avoid  imposition  of the Excise Tax, it might be
required  in a  particular  year to  distribute  as a dividend an amount that is
greater than the total amount of cash it actually receives.  Those distributions
would have to be made from the fund's cash assets or from the  proceeds of sales
of portfolio  securities,  if necessary.  A fund might realize  capital gains or
losses from those sales, which would increase or decrease its investment company
taxable income and/or net capital gain.

      The foregoing is only a general  summary of some of the important  federal
tax  considerations  generally  affecting the funds and their  shareholders.  No
attempt is made to present a complete  explanation  of the federal tax treatment
of the funds'  activities,  and this  discussion is not intended as a substitute
for careful tax planning. Accordingly,  potential investors are urged to consult
their  own tax  advisers  for  more  detailed  information  and for  information
regarding  any state,  local or  foreign  taxes  applicable  to the funds and to
dividends and other distributions therefrom.

                              OTHER INFORMATION

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

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



                                       68
<PAGE>

      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 a Trust may elect all of the board  members of that Trust.  The shares
of a fund  will be  voted  together,  except  that  only the  shareholders  of a
particular class of a fund may vote on matters  affecting only that class,  such
as the terms of a Rule 12b-1 Plan as it relates to the class. The shares of each
series of Managed Trust and Securities  Trust will be voted  separately,  except
when an aggregate vote of all the series is required by law.

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

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

      PRIOR  NAMES.  Prior to October 20, 1995,  Low Duration  Fund was known as
"PaineWebber  Short-Term  U.S.  Government  Income  Fund." Prior to November 10,
1995, the Class C shares of all the funds were called "Class D" shares,  and the
Class Y shares of U.S.  Government Income Fund and Low Duration Fund were called
"Class C" shares.

      CUSTODIAN AND  RECORDKEEPING  AGENT;  TRANSFER AND DIVIDEND  AGENT.  State
Street Bank and Trust  Company,  located at One Heritage  Drive,  North  Quincy,
Massachusetts  02171,  serves as custodian and recordkeeping agent for each fund
and  employs  foreign  sub-custodians  approved  by  the  respective  boards  in
accordance  with  applicable  requirements  under the Investment  Company Act to
provide  custody of the funds'  foreign  assets.  PFPC Inc., a subsidiary of PNC
Bank, N.A., serves as each fund's transfer and dividend  disbursing agent. It is
located at 400 Bellevue Parkway, Wilmington, DE 19809.

      COMBINED  PROSPECTUS.  Although each fund is offering only its own shares,
it is  possible  that a fund  might  become  liable  for a  misstatement  in the
Prospectus about another fund. The board of each fund has considered this factor
in approving the use of a single, combined Prospectus.

      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 U.S.  Government  Income Fund, Low Duration
Fund, Investment Grade Income Fund and High Income Fund.  PricewaterhouseCoopers
LLP,  1177  Avenue  of the  Americas,  New  York,  New  York  10036,  serves  as
independent accountants for Strategic Income Fund.

                              FINANCIAL STATEMENTS

Each  fund's  Annual  Report to  Shareholders  for its last  fiscal  year  ended
November  30,  1999 is a  separate  document  supplied  with this  SAI,  and the
financial  statements,  accompanying notes and report of independent auditors or
independent  accountants  appearing  therein  are  incorporated  herein  by this
reference.




                                       69
<PAGE>


                                    APPENDIX

                             RATINGS INFORMATION

DESCRIPTION OF MOODY'S CORPORATE BOND RATINGS

      Aaa. Bonds which are rated Aaa are judged to be of the best quality.  They
carry the smallest  degree of investment  risk and are generally  referred to as
"gilt edged." Interest  payments are protected by a large or by an exceptionally
stable margin and principal is secure. While the various protective elements are
likely to change,  such changes as can be visualized are most unlikely to impair
the fundamentally  strong position of such issues;  Aa. Bonds which are rated Aa
are judged to be of high quality by all  standards.  Together with the Aaa group
they comprise what are generally known as high grade bonds. They are rated lower
than the best bonds because  margins of protection may not be as large as in Aaa
securities or fluctuation of protective  elements may be of greater amplitude or
there  may be other  elements  present  which  make the long  term  risk  appear
somewhat larger than in Aaa securities;  A. Bonds which are rated A possess many
favorable investment  attributes and are to be considered as  upper-medium-grade
obligations.  Factors  giving  security to principal and interest are considered
adequate,  but  elements  may be  present  which  suggest  a  susceptibility  to
impairment sometime in the future; Baa. Bonds which are rated Baa are considered
as medium-grade obligations,  i.e., they are neither highly protected nor poorly
secured. Interest payment and principal security appear adequate for the present
but  certain  protective  elements  may be lacking or may be  characteristically
unreliable over any great length of time. Such bonds lack outstanding investment
characteristics and in fact have speculative  characteristics as well; Ba. Bonds
which are rated Ba are judged to have speculative elements;  their future cannot
be considered as  well-assured.  Often the  protection of interest and principal
payments may be very moderate and thereby not well safeguarded  during both good
and bad times over the future.  Uncertainty of position  characterizes  bonds in
this class;  B. Bonds which are rated B generally  lack  characteristics  of the
desirable  investment.  Assurance  of  interest  and  principal  payments  or of
maintenance  of other terms of the contract  over any long period of time may be
small;  Caa. Bonds which are rated Caa are of poor standing.  Such issues may be
in default or there may be present  elements of danger with respect to principal
or  interest;  Ca.  Bonds  which are rated Ca  represent  obligations  which are
speculative  in a high  degree.  Such  issues are often in default or have other
marked  shortcomings;  C. Bonds which are rated C are the lowest  rated class of
bonds, and issues so rated can be regarded as having extremely poor prospects of
ever attaining any real investment standing.

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

DESCRIPTION OF S&P CORPORATE DEBT RATINGS

      AAA. An obligation  rated AAA has the highest rating  assigned by S&P. The
obligor's  capacity  to meet  its  financial  commitment  on the  obligation  is
extremely  strong;  AA. An  obligation  rated AA differs from the highest  rated
obligations only in small degree.  The obligor's  capacity to meet its financial
commitment  on the  obligation  is  very  strong;  A. An  obligation  rated A is
somewhat more susceptible to the adverse effects of changes in circumstances and
economic  conditions than obligations in higher rated categories.  However,  the
obligor's  capacity to meet its financial  commitment on the obligation is still
strong;  BBB. An obligation rated BBB exhibits adequate  protection  parameters.
However,  adverse economic conditions or changing  circumstances are more likely
to lead to a weakened  capacity of the obligor to meet its financial  commitment
on the obligation;  BB, B, CCC, CC, C, D. Obligations rated BB, B, CCC, CC and C
are regarded as having significant speculative characteristics. BB indicates the
least degree of  speculation  and C the  highest.  While such  obligations  will
likely have some quality and protective characteristics, these may be outweighed
by  large  uncertainties  or major  exposures  to  adverse  conditions;  BB.  An
obligation  rated BB is less  vulnerable  to nonpayment  than other  speculative
issues.  However,  it faces major ongoing  uncertainties  or exposure to adverse
business,  financial,  or economic  conditions which could lead to the obligor's
inadequate  capacity to meet its financial  commitment on the obligation;  B. An
obligation rated B is more vulnerable to nonpayment than  obligations  rated BB,
but the obligor  currently has the capacity to meet its financial  commitment on


                                      A-1
<PAGE>

the obligation.  Adverse business, financial, or economic conditions will likely
impair the obligor's capacity or willingness to meet its financial commitment on
the  obligation;  CCC.  An  obligation  rated  CCC is  currently  vulnerable  to
nonpayment  and is dependent  upon  favorable  business,  financial and economic
conditions for the obligor to meet its financial  commitment on the  obligation.
In the event of adverse business, financial, or economic conditions, the obligor
is not  likely to have the  capacity  to meet its  financial  commitment  on the
obligation;  CC.  An  obligation  rated CC is  currently  highly  vulnerable  to
nonpayment;  C. The C rating may be used to cover a situation where a bankruptcy
petition has been filed or similar  action has been taken,  but payments on this
obligation are being continued;  D. An obligation rated D is in payment default.
The D rating category is used when payments on an obligation are not made on the
date due  even if the  applicable  grace  period  has not  expired,  unless  S&P
believes that such payments will be made during such grace period.  The D rating
also will be used upon the filing of a  bankruptcy  petition  or the taking of a
similar action if payments on an obligation are jeopardized.

      CI. The rating CI is  reserved  for income  bonds on which no  interest is
being paid.

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

      r. This symbol is attached to the ratings of instruments  with significant
noncredit  risks.  It  highlights  risks to principal or  volatility of expected
returns  which  are  not  addressed  in the  credit  rating.  Examples  include:
obligations  linked  or  indexed  to  equities,   currencies,   or  commodities;
obligations  exposed  to  severe  prepayment   risk--such  as  interest-only  or
principal-only  mortgage  securities;   and  obligations  with  unusually  risky
interest terms, such as inverse floaters.

DESCRIPTION OF MOODY'S COMMERCIAL PAPER RATINGS

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

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

   PRIME-3.  Issuers  assigned  this  rating  have an  acceptable  capacity  for
repayment   of  senior   short-term   obligations.   The   effect  of   industry
characteristics  and market  composition may be more pronounced.  Variability in
earnings and profitability may result in changes in the level of debt protection
measurements and may require relatively high financial leverage.
Adequate alternate liquidity is maintained.

   NOT PRIME.  Issuers  assigned this rating do not fall within any of the Prime
rating categories.

DESCRIPTION OF S&P COMMERCIAL PAPER RATINGS

   A-1. A short-term  obligation  rated A-1 is rated in the highest  category by
S&P. The obligor's  capacity to meet its financial  commitment on the obligation
is strong. Within this category,  certain obligations are designated with a plus
sign (+).  This  indicates  that the  obligor's  capacity to meet its  financial
commitment  on  these  obligations  is  extremely  strong.   A-2.  A  short-term
obligation  rated A-2 is somewhat  more  susceptible  to the adverse  effects of
changes in  circumstances  and economic  conditions  than  obligations in higher
rating  categories.  However,  the  obligor's  capacity  to meet  its  financial
commitment on the obligation is satisfactory. A-3. A short-term obligation rated
A-3  exhibits  adequate  protection   parameters.   However,   adverse  economic
conditions  or  changing  circumstances  are more  likely to lead to a  weakened
capacity of the obligor to meet its financial commitment on the obligation. B. A
short-term  obligation  rated B is  regarded as having  significant  speculative
characteristics.  The obligor  currently  has the capacity to meet its financial


                                      A-2
<PAGE>

commitment on the  obligation;  however,  it faces major  ongoing  uncertainties
which could lead to the  obligor's  inadequate  capacity  to meet its  financial
commitments on the obligation.  C. A short-term  obligation rated C is currently
vulnerable to nonpayment and is dependent upon favorable business, financial and
economic  conditions  for the obligor to meet its  financial  commitment  on the
obligation.  D. A short-term  obligation  rated D is in payment  default.  The D
rating  category is used when payments on an obligation are not made on the date
due even if the  applicable  grace period has not  expired,  unless S&P believes
that such payments will be made during such grace period. The D rating also will
be used upon the  filing of a  bankruptcy  petition  or the  taking of a similar
action if payments on an obligation are jeopardized.



















                                      A-3
<PAGE>



YOU  SHOULD  RELY  ONLY ON THE
INFORMATION    CONTAINED    OR
REFERRED TO IN THE  PROSPECTUS
AND    THIS    STATEMENT    OF
ADDITIONAL  INFORMATION.   THE
FUND AND ITS DISTRIBUTOR  HAVE
NOT   AUTHORIZED   ANYONE   TO
PROVIDE  YOU WITH  INFORMATION
THAT   IS    DIFFERENT.    THE                                      PaineWebber
PROSPECTUS  AND THIS STATEMENT                      U.S. Government Income Fund
OF ADDITIONAL  INFORMATION ARE
NOT AN OFFER TO SELL SHARES OF                                      PaineWebber
THE FUNDS IN ANY  JURISDICTION         Low Duration U.S. Government Income Fund
WHERE   THE   FUNDS  OR  THEIR
DISTRIBUTOR  MAY NOT  LAWFULLY                                      PaineWebber
SELL THOSE SHARES.                                 Investment Grade Income Fund

              ------------                                          PaineWebber
                                                               High Income Fund

                                                                    PaineWebber
                                                          Strategic Income Fund




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

                                           Statement of Additional Information
                                                                March 31, 2000
                                      ------------------------------------------


(C)2000 PaineWebber Incorporated. All rights reserved.

                                                                     PAINEWEBBER



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