PAINEWEBBER INVESTMENT SERIES
497, 1997-03-05
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<PAGE>

                         ------------------------------
 
                    PAINEWEBBER EMERGING MARKETS EQUITY FUND
                         PAINEWEBBER GLOBAL EQUITY FUND
                         PAINEWEBBER GLOBAL INCOME FUND
 
             1285 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK 10019
                          PROSPECTUS -- MARCH 1, 1997
 
   PaineWebber Global Funds are designed for investors generally seeking
   long-term growth by investing mainly in foreign stocks or high current
   income by investing mainly in global debt instruments. PaineWebber
   Emerging Markets Equity Fund seeks long-term capital appreciation by
   investing primarily in equity securities of companies in newly
   industrializing countries. PaineWebber Global Equity Fund seeks long-term
   growth of capital by investing primarily in U.S. and foreign equity
   securities. PaineWebber Global Income Fund seeks high current income and,
   secondarily, capital appreciation by investing primarily in high-quality
   foreign and U.S. bonds.
 
   This Prospectus concisely sets forth information that a prospective
   investor should know about the Funds before investing. Please read it
   carefully and retain a copy of this Prospectus for future reference.
 
   A Statement of Additional Information dated March 1, 1997 has been filed
   with the Securities and Exchange Commission and is legally part of this
   Prospectus. The Statement of Additional Information can be obtained
   without charge, and further inquiries can be made, by contacting an
   individual Fund, your investment executive at PaineWebber or one of its
   correspondent firms or by calling toll-free 1-800-647-1568.
 
   THE PAINEWEBBER FAMILY OF MUTUAL FUNDS
 
        The PaineWebber Family of Mutual Funds consists of six broad
   categories, which are presented here. Generally, investors seeking to
   maximize return must assume greater risk. The Funds in this Prospectus are
   all in the GLOBAL category.
 
<TABLE>
<S>                                                        <C>
/X/ MONEY MARKET FUND for income and stability by          /X/ ASSET ALLOCATION FUNDS for high total return by in-
    investing in high-quality, short-term investments.         vesting in stocks and bonds.
 
/X/ BOND FUNDS for income by investing mainly in bonds.    /X/ STOCK FUNDS for long-term growth by investing mainly
                                                               in stocks.
 
/X/ TAX-FREE BOND FUNDS for income exempt from federal     /X/ GLOBAL FUNDS for long-term growth by investing mainly
    income tax and, in some cases, state and local income      in foreign stocks or high current income by investing
    taxes, by investing in municipal bonds.                    mainly in global debt instruments.
</TABLE>
 
   A complete listing of the PaineWebber Family of Mutual Funds is found on

   the back cover of this Prospectus.
 
   NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR MAKE ANY
   REPRESENTATIONS NOT CONTAINED IN THIS PROSPECTUS IN CONNECTION WITH THE
   OFFERING MADE BY THIS PROSPECTUS. IF GIVEN OR MADE, SUCH INFORMATION OR
   REPRESENTATIONS MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY THE
   FUNDS OR THEIR DISTRIBUTOR. THIS PROSPECTUS DOES NOT CONSTITUTE AN
   OFFERING BY THE FUNDS OR THEIR DISTRIBUTOR IN ANY JURISDICTION IN WHICH
   SUCH OFFERING MAY NOT LAWFULLY BE MADE.
 
   THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
     AND EXCHANGE COMMISSION NOR HAS THE COMMISSION PASSED UPON THE
       ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO
                      THE CONTRARY IS A CRIMINAL OFFENSE.
 
                             ---------------------
                               Prospectus Page 1

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund
 
                               TABLE OF CONTENTS
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                           PAGE
                                           ----
 
<S>                                        <C>
The Funds at a Glance...................     3
 
Expense Table...........................     5
 
Financial Highlights....................     8
 
Investment Objectives & Policies........    14
 
Investment Philosophy & Process.........    15
 
Performance.............................    17
 
The Funds' Investments..................    20
 
Flexible Pricing(Service Mark)..........    24
 
How to Buy Shares.......................    27
 
How to Sell Shares......................    28
 
Other Services..........................    29
 
Management..............................    30
 
Determining the Shares' Net Asset
  Value.................................    32
 
Dividends & Taxes.......................    33
 
General Information.....................    34
</TABLE>
 
                              --------------------
                               Prospectus Page 2

<PAGE>

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

 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund
 
                             THE FUNDS AT A GLANCE
- --------------------------------------------------------------------------------
 
The Funds offered by this Prospectus are not intended to provide a complete or
balanced investment program, but one or more of them may be appropriate as a
component of an investor's overall portfolio. Some common reasons to invest in
these Funds are to finance college educations, plan for retirement or diversify
a portfolio. When selling shares, investors should be aware that they may get
more or less for their shares than they originally paid for them. As with any
mutual fund, there is no assurance that the Funds will achieve their goals.
 
EMERGING MARKETS EQUITY FUND
 
   
GOAL: To increase the value of an investment by investing primarily in equity
securities of companies in newly industrializing countries.
    
 
INVESTMENT OBJECTIVE: Long-term capital appreciation.
 
RISKS: Equity securities historically have shown greater growth potential than
other types of securities, but they have also shown greater volatility. Because
the Fund invests primarily in equity securities, its price will rise and fall.
Investors in the Fund should be able to assume the special risks of investing in
foreign securities, which include possible adverse political, social and
economic developments abroad and differing characteristics of foreign economies
and markets. These risks are greater with respect to securities of issuers
located in emerging markets, in which the Fund seeks to invest most of its
assets. Most of the foreign securities held by the Fund are denominated in
foreign currencies, and the value of these investments can be adversely affected
by fluctuations in foreign currency values. The Fund may use derivatives, such
as options, futures and forward currency contracts, which may involve additional
risks. Investors may lose money by investing in the Fund; the investment is not
guaranteed.
 
SIZE: On January 31, 1997, the Fund had approximately $32 million in net assets.
 
GLOBAL EQUITY FUND
 
   
GOAL: To increase the value of an investment by investing primarily in equity
securities of U.S. and foreign companies.
    
 
INVESTMENT OBJECTIVE: Long-term growth of capital.
 
RISKS: Equity securities historically have shown greater growth potential than
other types of securities, but they have also shown greater volatility. Because
the Fund invests primarily in equity securities, its price will rise and fall.
Investors in the Fund should be able to assume the special risks of investing in

foreign securities, which include possible adverse political, social and
economic developments abroad and differing characteristics of foreign economies
and markets. These risks are greater with respect to securities of issuers
located in emerging markets, in which the Fund may invest. Most of the foreign
securities held by the Fund are denominated in foreign currencies, and the value
of these investments can be adversely affected by fluctuations in foreign
currency values. The Fund may use derivatives, such as options, futures and
forward currency contracts, which may involve additional risks. Investors may
lose money by investing in the Fund; the investment is not guaranteed.
 
SIZE: On January 31, 1997, the Fund had approximately $561 million in net
assets.
 
GLOBAL INCOME FUND
 
GOAL: To provide high current income and, secondarily, capital appreciation by
investing primarily in high-quality foreign and U.S. bonds.
 
INVESTMENT OBJECTIVE: The primary investment objective is high current income
consistent with prudent investment risk; capital appreciation is a secondary
objective.
 
   
RISKS: The Fund invests primarily in bonds, which are subject to interest rate
and credit risk. Interest rate risk is the risk that interest rates will rise
and bond prices will fall, lowering the value of the Fund's investments. Credit
risk is the risk that adverse changes in economic conditions will affect an
issuer's ability to pay interest and principal. Most of the foreign securities
held by the Fund are denominated in foreign currencies, and the value of these
investments can be adversely affected by fluctuations in foreign currency
values. Investors in the Fund should be able to assume the special risks of
investing in foreign securities, which include possible adverse political,
social and economic developments abroad and differing characteristics of foreign
economies and markets. These risks are greater with respect to securities of
issuers located in emerging markets, in which the Fund may invest to a limited
degree. Certain investment grade bonds in which the Fund may invest have
speculative characteristics. The Fund may also invest in bonds rated below
investment grade, which are subject to greater risks of default or price
fluctuation than investment grade bonds and are considered predominantly
speculative. The U.S. government securities in which the Fund may invest include
mortgage-backed securities. The Fund may use derivatives, such as options,
futures, forward currency contracts and interest rate protection transactions,
which may involve additional risks. As a non-diversified fund as defined in the
Investment Company Act of 1940 ('1940 Act'), the Fund is subject to greater risk
than funds that have a broader range of investments as explained below.
Investors may lose money by investing in the Fund; the investment is not
guaranteed.
    
 
SIZE: On January 31, 1997, the Fund had approximately $843 million in net
assets.
 
                              --------------------
                               Prospectus Page 3


<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund
 
                             THE FUNDS AT A GLANCE
                                  (Continued)
- --------------------------------------------------------------------------------
 
MANAGEMENT
 
Mitchell Hutchins Asset Management Inc. ('Mitchell Hutchins'), an asset
management subsidiary of PaineWebber Incorporated ('PaineWebber'), is the
investment adviser and administrator of Emerging Markets Equity Fund, Global
Equity Fund and Global Income Fund (each a 'Fund' and, collectively, the
'Funds'). Mitchell Hutchins has appointed Schroder Capital Management
International Inc. ('Schroder Capital') as the investment sub-adviser for
Emerging Markets Equity Fund and GE Investment Management Incorporated ('GE
Investment Management') as the investment sub-adviser for Global Equity Fund.
 
MINIMUM INVESTMENT
 
To open an account, investors need $1,000; to add to an account, investors need
only $100.
 
WHO SHOULD INVEST
 
EMERGING MARKETS EQUITY FUND is for investors who want long-term capital
appreciation. The Fund seeks to achieve this by investing primarily in equity
securities of companies in emerging market countries. Over time, foreign stocks
have shown greater growth potential than many other types of securities.
However, because their value tends to fluctuate more than that of U.S. stocks,
investors must be willing to tolerate volatility in the value of the Fund's
investments. These risks are greater with respect to securities of issuers
located in emerging markets. Accordingly, Emerging Markets Equity Fund is
designed for investors who are able to bear the risk that comes with investment
in equity securities of emerging market issuers.
 
GLOBAL EQUITY FUND is for investors who want long-term growth of capital. The
Fund seeks to achieve this by investing primarily in equity securities of U.S.
and foreign companies. Over time, foreign stocks have shown greater growth
potential than many other types of securities. However, because their value
tends to fluctuate more than that of U.S. stocks, investors must be willing to
tolerate volatility in the value of the Fund's investments. Accordingly, Global
Equity Fund is designed for investors who are able to bear the risk that comes
with investments in foreign equity securities.
 
GLOBAL INCOME FUND is for investors who want high current income consistent with
prudent investment risk and, secondarily, capital appreciation. The Fund seeks
to achieve this by investing primarily in high-quality debt securities issued or
guaranteed by foreign governments, by the U.S. government, by their respective

agencies or instrumentalities or by supranational organizations, or issued by
foreign or U.S. companies. Investors in the Fund should be willing to assume the
special risks of investing in foreign securities, which include possible adverse
political, social and economic developments abroad and differing characteristics
of foreign economies and markets. Accordingly, Global Income Fund is designed
for investors who are able to bear the risk that comes with investments in
foreign securities.
 
HOW TO PURCHASE SHARES OF THE FUNDS
 
Investors may select among these classes of shares:
 
CLASS A SHARES
 
The price is the net asset value plus the initial sales charge; the maximum
sales charge is 4.5% of the public offering price (4% in the case of Global
Income Fund). Although investors pay an initial sales charge when they buy Class
A shares, the ongoing expenses for this class are lower than the ongoing
expenses of Class B and Class C shares.
 
CLASS B SHARES
 
The price is the net asset value. Investors do not pay an initial sales charge
when they buy Class B shares. As a result, 100% of their purchase is immediately
invested. However, Class B shares have higher ongoing expenses than Class A
shares. Depending upon how long they own the shares, investors may have to pay a
sales charge when they sell Class B shares. This sales charge is called a
'contingent deferred sales charge' and applies when investors sell their Class B
shares within six years after purchase. After six years, Class B shares convert
to Class A shares, which have lower ongoing expenses and no contingent deferred
sales charge.
 
CLASS C SHARES
 
The price is the net asset value. Investors do not pay an initial sales charge
when they buy Class C shares. As a result, 100% of their purchase is immediately
invested. However, Class C shares have higher ongoing expenses than Class A
shares. A contingent deferred sales charge of 1% (0.75% in the case of Global
Income Fund) is charged on shares sold within one year of purchase. Class C
shares never convert to any other class of shares.
 
                              --------------------
                               Prospectus Page 4

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund
 
                                 EXPENSE TABLE
- --------------------------------------------------------------------------------
 

The following tables are intended to assist investors in understanding the
expenses associated with investing in the Class A, B and C shares of the Funds.
Expenses shown below represent those incurred for the fiscal year ended August
31, 1996, in the case of Global Equity Fund, and the fiscal year ended October
31, 1996, in the case of Global Income Fund. In the case of Emerging Markets
Equity Fund, expenses shown below, which are based on the annualized expenses
for the four months ended October 31, 1996, reflect the current management fee
rate and anticipated fee waivers and expense reimbursements.
 
<TABLE>
<CAPTION>
SHAREHOLDER TRANSACTION EXPENSES                               CLASS A    CLASS B    CLASS C
                                                               -------    -------    -------
<S>                                                            <C>        <C>        <C>
EMERGING MARKETS EQUITY FUND AND GLOBAL EQUITY FUND
Maximum Sales Charge on Purchases of Shares (as a % of
  offering price)...........................................     4.50%      None       None
Sales Charge on Reinvested Dividends (as a % of offering
  price)....................................................     None       None       None
Maximum Contingent Deferred Sales Charge (as a % of offering
  price or net asset value at the time of sale, whichever 
  is less)..................................................     None          5%         1%
Exchange Fee................................................     None       None       None
GLOBAL INCOME FUND
Maximum Sales Charge on Purchases of Shares (as a % of
  offering price)...........................................        4%      None       None
Sales Charge on Reinvested Dividends (as a % of offering
  price)....................................................     None       None       None
Maximum Contingent Deferred Sales Charge (as a % of offering
  price or net asset value at the time of sale, whichever 
  is less)..................................................     None          5%      0.75%
Exchange Fee................................................     None       None       None
 
ANNUAL FUND OPERATING EXPENSES (as a % of average net
  assets)
EMERGING MARKETS EQUITY FUND
Management Fees (after fee waivers)*........................     0.70%      0.70%      0.70%
12b-1 Fees..................................................     0.25       1.00       1.00
Other Expenses (after expense reimbursements)*..............     1.49       1.49       1.49
                                                               -------    -------    -------
Total Operating Expenses (after fee waivers and expense
  reimbursements)*..........................................     2.44%      3.19%      3.19%
                                                               -------    -------    -------
                                                               -------    -------    -------
 
GLOBAL EQUITY FUND
Management Fees.............................................     0.85%      0.85%      0.85%
12b-1 Fees..................................................     0.25       1.00       1.00
Other Expenses..............................................     0.38       0.40       0.42
                                                               -------    -------    -------
Total Operating Expenses....................................     1.48%      2.25%      2.27%
                                                               -------    -------    -------
                                                               -------    -------    -------
GLOBAL INCOME FUND

Management Fees.............................................     0.74%      0.74%      0.74%
12b-1 Fees..................................................     0.25       1.00       0.75
Other Expenses..............................................     0.28       0.25       0.24
                                                               -------    -------    -------
Total Operating Expenses....................................     1.27%      1.99%      1.73%
                                                               -------    -------    -------
                                                               -------    -------    -------
</TABLE>
 
- ------------------
*  'Management Fees' and 'Other Expenses' for Emerging Markets Equity Fund are
   restated to reflect reductions in the Fund's investment advisory and
   administrative fees, approved by shareholders on February 25, 1997, and
   offsetting reductions in anticipated fee waivers and expense reimbursements
   from Mitchell Hutchins. Using the current management fee rate and without
   taking into account anticipated fee waivers and expense reimbursements,
   'Management Fees,' 'Other Expenses' and 'Total Operating Expenses' for Class
   A, Class B and Class C shares of Emerging Markets Equity Fund would be as
   follows, respectively: 1.20%, 1.61% and 3.06% for Class A; 1.20%, 1.61% and
   3.81% for Class B; and 1.20%, 1.61% and 3.81% for Class C.
 
                              --------------------
                               Prospectus Page 5

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund
 
                                 EXPENSE TABLE
                                  (Continued)
- --------------------------------------------------------------------------------
 
 CLASS A SHARES: Sales charge waivers and a reduced sales charge purchase plan
 are available. Purchases of $1 million or more are not subject to an initial
 sales charge. However, if such shares are sold by the shareholder 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, whichever is
 less, is imposed.

 CLASS B SHARES: Sales charge waivers are available. The maximum 5% contingent
 deferred sales charge applies to sales of shares during the first year after
 purchase. The charge generally declines by 1% annually, reaching zero after six
 years.

 CLASS C SHARES: If shares are sold by the shareholder within one year after
 purchase, a contingent deferred sales charge of 1% (0.75% in the case of Global
 Income Fund) of the offering price or the net asset value of the shares at the
 time of sale, whichever is less, is imposed.
 
12b-1 distribution fees are asset-based sales charges. Long-term Class B and
Class C shareholders may pay more in direct and indirect sales charges

(including 12b-1 distribution fees) than the economic equivalent of the maximum
front-end sales charge permitted by the National Association of Securities
Dealers, Inc. 12b-1 fees have two components, as follows:
 
<TABLE>
<CAPTION>
                                      CLASS A    CLASS B    CLASS C
                                      -------    -------    -------
<S>                                   <C>        <C>        <C>
12b-1 service fees.................     0.25%      0.25%      0.25%
12b-1 distribution fees............     0.00       0.75       0.75*
</TABLE>
 
* 12b-1 distribution fees for Class C shares of Global Income Fund are 0.50%.
 
For more information, see 'Management' and 'Flexible Pricing(Service Mark).'
 
EXAMPLES OF EFFECT OF FUND EXPENSES
 
The following examples should assist investors in understanding various costs
and expenses incurred as shareholders of a Fund. The assumed 5% annual return
shown in the examples is required by regulations of the Securities and Exchange
Commission ('SEC') applicable to all mutual funds. THESE EXAMPLES SHOULD NOT BE
CONSIDERED A REPRESENTATION OF PAST OR FUTURE EXPENSES. ACTUAL EXPENSES OF A
FUND MAY BE MORE OR LESS THAN THOSE SHOWN.
 
An investor would pay the following expenses, directly or indirectly, on a
$1,000 investment in a Fund, assuming a 5% annual return:
 
<TABLE>
<CAPTION>
EMERGING MARKETS EQUITY FUND
EXAMPLE                              1 YEAR    3 YEARS    5 YEARS    10 YEARS
- -----------------------------------  -------   --------   --------   ---------
<S>                                  <C>       <C>        <C>        <C>
Class A............................    $69       $118       $169       $ 310
Class B (Assuming sale of all
  shares at end of period).........    $82       $128       $187       $ 316
Class B (Assuming no sale of
  shares)..........................    $32       $ 98       $167       $ 316
Class C (Assuming sale of all
  shares at end of period).........    $42       $ 98       $167       $ 349
Class C (Assuming no sale of
  shares)..........................    $32       $ 98       $167       $ 349
</TABLE>
 
                              --------------------
                               Prospectus Page 6

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income

                                      Fund
 
                                 EXPENSE TABLE
                                  (Continued)
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
GLOBAL EQUITY FUND
EXAMPLE                              1 YEAR    3 YEARS    5 YEARS    10 YEARS
- -----------------------------------  -------   --------   --------   ---------
<S>                                  <C>       <C>        <C>        <C>
Class A............................    $59       $ 90       $122       $ 214
Class B (Assuming sale of all
  shares at end of period).........    $73       $100       $140       $ 221
Class B (Assuming no sale of
  shares)..........................    $23       $ 70       $120       $ 221
Class C (Assuming sale of all
  shares at end of period).........    $33       $ 71       $122       $ 261
Class C (Assuming no sale of
  shares)..........................    $23       $ 71       $122       $ 261
 
GLOBAL INCOME FUND
 
<CAPTION>
EXAMPLE                              1 YEAR    3 YEARS    5 YEARS    10 YEARS
- -----------------------------------  -------   --------   --------   ---------
<S>                                  <C>       <C>        <C>        <C>
Class A............................    $52       $ 79       $107       $ 187
Class B (Assuming sale of all
  shares at end of period).........    $70       $ 92       $127       $ 196
Class B (Assuming no sale of
  shares)..........................    $20       $ 62       $107       $ 196
Class C (Assuming sale of all
  shares at end of period).........    $25       $ 54       $ 94       $ 204
Class C (Assuming no sale of
  shares)..........................    $18       $ 54       $ 94       $ 204
</TABLE>
 
 ASSUMPTIONS MADE IN THE EXAMPLES

 o ALL CLASSES: Reinvestment of all dividends and other distributions;
   percentage amounts listed under 'Annual Fund Operating Expenses' remain the
   same for the years shown.

 o CLASS A SHARES: Deduction of the maximum 4.5% (4% in the case of Global
   Income Fund) initial sales charge at the time of purchase.

 o CLASS B SHARES: Deduction of the maximum applicable contingent deferred
   sales charge at the time of sale, which declines over a period of six years.
   Ten-year figures assume that Class B shares convert to Class A shares at the
   end of the sixth year.

 o CLASS C SHARES: Deduction of a 1% (0.75% in the case of Global Income Fund)

   contingent deferred sales charge for sales of shares within one year of
   purchase.
 
                              --------------------
                               Prospectus Page 7

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund
 
                              FINANCIAL HIGHLIGHTS
- --------------------------------------------------------------------------------
 
EMERGING MARKETS EQUITY FUND
 
The following tables provide investors with data and ratios for one Class A,
Class B and Class C share for each of the periods shown. This information is
supplemented by the financial statements and accompanying notes appearing in
Emerging Markets Equity Fund's Annual Report to Shareholders for the four months
ended October 31, 1996 and the report of Ernst & Young LLP, independent
auditors, appearing in the Fund's Annual Report to Shareholders. The financial
statements, accompanying notes and auditors' report are incorporated by
reference into the Statement of Additional Information. The financial statements
and notes, as well as the financial information in the table below relating to
the four months ended October 31, 1996 and the fiscal year ended June 30, 1996,
have been audited by Ernst & Young LLP, independent auditors. The financial
information for the prior years was audited by another independent accounting
firm, whose reports thereon were unqualified. Further information about the
Fund's performance is also included in the Annual Report to Shareholders, which
may be obtained without charge by calling 1-800-647-1568. Schroder Capital was
appointed sub-adviser for Emerging Markets Equity Fund effective February 25,
1997; thus, information for periods prior to that date may not necessarily be
indicative of current or future operations.
 
<TABLE>
<CAPTION>
                                                                 EMERGING MARKETS EQUITY FUND
                                      -----------------------------------------------------------------------------------
                                                                            CLASS A
                                      -----------------------------------------------------------------------------------
                                                                      FOR THE YEARS ENDED
                                           FOR THE                          JUNE 30,                         FOR THE
                                      FOUR MONTHS ENDED    ------------------------------------------      PERIOD ENDED
                                      OCTOBER 31, 1996            1996                  1995**            JUNE 30, 1994+
                                      -----------------    -------------------    -------------------    ----------------
<S>                                   <C>                  <C>                    <C>                    <C>
Net asset value, beginning of
  period...........................        $ 10.06               $  9.73                $ 10.79              $  12.00
                                          --------              --------               --------              --------
Net investment income (loss).......          (0.13)                (0.14)                 (0.04)                 0.04
Net realized and unrealized gains
  (losses) from investment and
  foreign currency transactions....          (0.47)                 0.47                  (0.97)                (1.25)
                                          --------              --------               --------              --------
Net increase (decrease) from
  investment operations............          (0.60)                 0.33                  (1.01)                (1.21)
                                          --------              --------               --------              --------

Dividends from net investment
  income...........................             --                    --                  (0.05)                   --
                                          --------              --------               --------              --------
Net asset value, end of period.....        $  9.46               $ 10.06                $  9.73              $  10.79
                                          --------              --------               --------              --------
                                          --------              --------               --------              --------
Total investment return (1)........          (5.96)%                3.39%                 (9.29)%              (10.08)%
                                          --------              --------               --------              --------
                                          --------              --------               --------              --------
Ratios/Supplemental Data:
Net assets, end of period
  (000's)..........................        $14,992               $20,680                $33,043              $ 46,758
Expenses, net of fee waivers, to
  average net assets...............           2.44%*                2.44%                  2.44%                 2.47%*
Expenses, before fee waivers, to
  average net assets...............           3.48%*                3.42%                  2.54%                 2.47%*
Net investment income (loss), net
  of fee waivers, to average net
  assets...........................          (1.42)%*              (0.52)%                (0.76)%                0.72%*
Net investment income (loss),
  before fee waivers, to average
  net assets.......................          (2.46)%*              (1.50)%                (0.86)%                0.72%*
Portfolio turnover.................             22%                   69%                    76%                    8%
Average commission rate paid (2)...        $0.0024                    --                     --                    --
</TABLE>

- ------------------
 * Annualized.
 ** Investment advisory functions for the Fund were transferred from Kidder
    Peabody Asset Management, Inc. to Mitchell Hutchins on February 13, 1995.

 + For the period January 19, 1994 (commencement of operations) to June 30,
   1994.

 ++ For the period December 5, 1995 (commencement of offering of shares) to June
    30, 1996.

(1) Total investment return is calculated assuming a $1,000 investment on the
    first day of each period reported, reinvestment of all dividends at net
    asset value on the payable dates, and a sale at net asset value on the last
    day of each period reported. The figures do not include sales charges;
    results for each class would be lower if sales charges were included. Total
    investment returns for periods of less than one year have not been
    annualized.

(2) Effective for fiscal years beginning on or after September 1, 1995, the Fund
    is required to disclose the average commission rate paid per share of common
    stock investments purchased or sold.
 
                              --------------------
                               Prospectus Page 8

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund
 
                              FINANCIAL HIGHLIGHTS
                                  (Continued)
- --------------------------------------------------------------------------------
   
<TABLE>
<CAPTION>
                                                             EMERGING MARKETS EQUITY FUND
                                              ------------------------------------------------------------
                                                             CLASS B                           CLASS C
                                              ---------------------------------------    -----------------
                                                    FOR THE              FOR THE               FOR THE     
                                              FOUR MONTHS ENDED       PERIOD ENDED       FOUR MONTHS ENDED
                                               OCTOBER 31, 1996      JUNE 30, 1996++      OCTOBER 31, 1996 
                                              -----------------    ------------------    -----------------
<S>                                                <C>                  <C>                   <C>
Net asset value, beginning of
  period...........................                 $  9.94               $ 9.13               $  9.94
                                                   --------              -------              --------
Net investment income (loss).......                   (0.07)               (0.01)                (0.22)
Net realized and unrealized gains
  (losses) from investment and
  foreign currency transactions....                   (0.55)                0.82                 (0.40)
                                                   --------              -------              --------
Net increase (decrease) from
  investment operations............                   (0.62)                0.81                 (0.62)
                                                   --------              -------              --------
Dividends from net investment
  income...........................                      --                   --                    -- 
                                                   --------              -------              --------
Net asset value, end of period.....                 $  9.32               $ 9.94               $  9.32 
                                                   --------              -------              --------
                                                   --------              -------              --------
Total investment return (1)........                   (6.24)%               8.87%                (6.24)%
                                                   --------              -------              --------
                                                   --------              -------              --------
Ratios/Supplemental Data:
Net assets, end of period
  (000's)..........................                 $   879               $  936               $ 7,882  
Expenses, net of fee waivers, to
  average net assets...............                    3.19%*               3.19%*                3.19%*
Expenses, before fee waivers, to
  average net assets...............                    4.23%*               4.97%*                4.23%*
Net investment income (loss), net
  of fee waivers, to average net
  assets...........................                   (2.12)%*             (0.21)%*              (2.16)%*
Net investment income (loss),
  before fee waivers, to average

  net assets.......................                   (3.16)%*             (1.99)%*              (3.20)%*
Portfolio turnover.................                      22%                  69%                   22%  
Average commission rate paid (2)...                 $0.0024                   --               $0.0024   

<CAPTION>
                                                          EMERGING MARKETS EQUITY FUND
                                         ---------------------------------------------------------------
                                                                     CLASS C
                                         ---------------------------------------------------------------
                                                    FOR THE YEARS ENDED
                                                          JUNE 30,                          FOR THE
                                         ------------------------------------------       PERIOD ENDED
                                                 1996                  1995**            JUNE 30, 1994+
                                         -------------------    -------------------     ----------------
<S>                                      <C>                    <C>                     <C>
Net asset value, beginning of
  period...........................              $  9.67                $ 10.75               $  12.00
                                                --------               --------               --------
Net investment income (loss).......                (0.24)                 (0.17)                    --
Net realized and unrealized gains
  (losses) from investment and
  foreign currency transactions....                 0.51                  (0.90)                 (1.25)
                                                --------               --------               --------
Net increase (decrease) from
  investment operations............                 0.27                  (1.07)                 (1.25)
                                                --------               --------               --------
Dividends from net investment
  income...........................                   --                  (0.01)                    --
                                                --------               --------               --------
Net asset value, end of period.....              $  9.94                $  9.67               $  10.75
                                                --------               --------               --------
                                                --------               --------               --------
Total investment return (1)........                 2.79%                (10.01)%               (10.42)%
                                                --------               --------               --------
                                                --------               --------               --------
Ratios/Supplemental Data:
Net assets, end of period
  (000's)..........................              $11,561                $18,551               $ 26,721
Expenses, net of fee waivers, to
  average net assets...............                 3.19%                  3.19%                  3.22%*
Expenses, before fee waivers, to
  average net assets...............                 4.17%                  3.29%                  3.22%*
Net investment income (loss), net
  of fee waivers, to average net
  assets...........................                (1.28)%                (1.50)%                (0.03)%*
Net investment income (loss),
  before fee waivers, to average
  net assets.......................                (2.26)%                (1.60)%                (0.03)%*
Portfolio turnover.................                    69%                    76%                    8%
Average commission rate paid (2)...                    --                     --                    --
</TABLE>
    
 
                              --------------------

                               Prospectus Page 9

<PAGE>

                         ------------------------------
 
PaineWebber   Emerging Markets   Equity Fund Global Equity Fund   Global Income
                                     Fund
 
                              FINANCIAL HIGHLIGHTS
                                  (Continued)
- --------------------------------------------------------------------------------
 
GLOBAL EQUITY FUND
 
The following tables provide investors with data and ratios for one Class A,
Class B and Class C share for each of the periods shown. This information is
supplemented by the financial statements and accompanying notes appearing in
Global Equity Fund's Annual Report to Shareholders for the two months ended
October 31, 1996 and the report of Ernst & Young LLP, independent auditors,
appearing in the Fund's Annual Report to Shareholders. The financial statements,
accompanying notes and auditors' report are incorporated by reference into the
Statement of Additional Information. The financial statements and notes, as well
as the financial information in the table below relating to the two months ended
October 31, 1996 and to each of the two years in the period ended August 31,
1996, have been audited by Ernst & Young LLP, independent auditors. The
financial information for the prior years was audited by another independent
accounting firm, whose reports thereon were unqualified. Further information
about the Fund's performance is also included in the Annual Report to
Shareholders, which may be obtained without charge by calling 1-800-647-1568.
 
<TABLE>
<CAPTION>
                                                                              GLOBAL EQUITY FUND
                                            ---------------------------------------------------------------------------------------
                                                                                    CLASS A
                                            ---------------------------------------------------------------------------------------
                                                                                                                       FOR THE
                                              FOR THE TWO               FOR THE YEARS ENDED AUGUST 31,                  PERIOD
                                              MONTHS ENDED     -------------------------------------------------    NOV. 14, 1991+
                                            OCTOBER 31, 1996     1996       1995**          1994          1993     TO AUG. 31, 1992
                                            ----------------   --------    --------       --------      --------   ----------------
<S>                                         <C>                <C>         <C>            <C>           <C>        <C>
Net asset value, beginning of period.......     $  16.81       $  16.12    $  16.98       $  14.55      $  12.87       $  12.00
                                                --------       --------    --------       --------      --------       --------
Net investment income (loss)...............        (0.02)          0.02        0.02           0.01          0.03           0.09
Net realized and unrealized gains (losses)
  from investment and foreign currency
  transactions.............................         0.64           1.24        0.37           2.63          1.89           0.78
                                                --------       --------    --------       --------      --------       --------
Net increase (decrease) from investment
  operations...............................         0.62           1.26        0.39           2.64          1.92           0.87
                                                --------       --------    --------       --------      --------       --------
Dividends from net investment income.......           --             --          --             --         (0.08)            --

Distributions from net realized gains......           --          (0.57)      (1.25)         (0.21)        (0.16)            --
                                                --------       --------    --------       --------      --------       --------
Total dividends and distributions..........         0.00          (0.57)      (1.25)         (0.21)        (0.24)          0.00
                                                --------       --------    --------       --------      --------       --------
Net asset value, end of period.............     $  17.43       $  16.81    $  16.12       $  16.98      $  14.55       $  12.87
                                                --------       --------    --------       --------      --------       --------
                                                --------       --------    --------       --------      --------       --------
Total investment return (1)................         3.69%          8.06%       3.24%         18.23%        15.24%          7.25%
                                                --------       --------    --------       --------      --------       --------
                                                --------       --------    --------       --------      --------       --------
Ratios/Supplemental Data:
Net assets, end of period (000's)..........     $307,267       $305,218    $360,652       $185,493      $156,451       $113,070
Expenses to average net assets.............         1.53%*         1.48%       1.71%(2)       1.58%         1.53%          1.68%*
Net investment income (loss) to average net
  assets...................................        (0.80)%*        0.10%       0.09%(2)       0.07%         0.22%          0.93%*
Portfolio turnover.........................            3%            33%         40%            51%           56%            30%
Average commission rate paid (3)...........     $ 0.0069       $ 0.0120          --             --            --             --
</TABLE>
 
- ------------------
 * Annualized.
 
 ** Investment advisory functions for the Fund were transferred from Kidder
    Peabody Asset Management, Inc. to Mitchell Hutchins on February 13, 1995.
 
 + Commencement of operations

++ Commencement of offering of shares
 
(1) Total investment return is calculated assuming a $1,000 investment on the
    first day of each period reported, reinvestment of all dividends and
    distributions, if any, at net asset value on the payable dates and a sale at
    net asset value on the last day of each period reported. The figures do not
    include sales charges; results for each class would be lower if sales
    charges were included. Total investment returns for periods of less than one
    year have not been annualized.
 
(2) These ratios include non-recurring reorganization expenses of 0.06%, 0.00%
    and 0.06% for Class A, Class B and Class C shares, respectively.
 
(3) Effective for fiscal years beginning on or after September 1, 1995, the Fund
    is required to disclose the average commission rate paid per share of common
    stock investments purchased or sold.
 
                              --------------------
                               Prospectus Page 10

<PAGE>

                         ------------------------------
 
PaineWebber   Emerging Markets   Equity Fund Global Equity Fund   Global Income
                                     Fund
 
                              FINANCIAL HIGHLIGHTS
                                  (Continued)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                            GLOBAL EQUITY FUND
                                                   -------------------------------------------------------------------------
                                                                          CLASS B                               CLASS C
                                                   ------------------------------------------------------   ----------------
                                                                          FOR THE            FOR THE
                                                     FOR THE TWO         YEAR ENDED           PERIOD           FOR THE TWO
                                                     MONTHS ENDED        AUGUST 31,       AUG. 25, 1995++     MONTHS ENDED
                                                   OCTOBER 31, 1996         1996         TO AUG. 31, 1995   OCTOBER 31, 1996
                                                   ----------------   ----------------   ----------------   ----------------
<S>                                                <C>                <C>                <C>                <C>           
Net asset value, beginning of period.......            $  16.35              $15.82             $15.83           $  16.35   
                                                       --------            --------           --------           --------    
Net investment income (loss)...............               (0.05)              (0.12)              0.00              (0.05)  
Net realized and unrealized gains (losses)
  from investment and foreign currency
  transactions.............................                0.63                1.22              (0.01)              0.63   
                                                       --------            --------           --------           --------    
Net increase (decrease) from investment
  operations...............................                0.58                1.10              (0.01)              0.58   
                                                       --------            --------           --------           --------    
Dividends from net investment income.......                  --                  --                 --                 --  
Distributions from net realized gains......                  --               (0.57)                --                 --  
                                                       --------            --------           --------           --------    
Total dividends and distributions..........                0.00               (0.57)              0.00               0.00   
                                                       --------            --------           --------           --------    
Net asset value, end of period.............            $  16.93              $16.35             $15.82           $  16.93   
                                                       --------            --------           --------           --------    
                                                       --------            --------           --------           --------    
Total investment return (1)................                3.55%               7.18%             (0.06)%             3.55%  
                                                       --------            --------           --------           --------    
                                                       --------            --------           --------           --------    
Ratios/Supplemental Data:
Net assets, end of period (000's)..........            $113,445            $113,235           $142,880           $ 67,530     
Expenses to average net assets.............                2.34%*              2.25%              2.17%*(2)          2.30%* 
Net investment income (loss) to average net
  assets...................................               (1.61)%*            (0.68)%            (1.92)%*(2)        (1.57)%*
Portfolio turnover.........................                   3%                33%                 40%                 3%      
Average commission rate paid (3)...........              $ 0.0069          $0.0120                  --           $ 0.0069   


<CAPTION>
                                                                             GLOBAL EQUITY FUND
                                                   -------------------------------------------------------------------------
                                                                                   CLASS C
                                                   -------------------------------------------------------------------------
                                                               FOR THE YEARS ENDED AUGUST  31,               FOR THE PERIOD
                                                   ------------------------------------------------------    MAY 10, 1993++
                                                         1996              1995**              1994         TO AUG. 31, 1993
                                                   ----------------   ----------------   ----------------   ----------------
<S>                                                <C>                <C>                <C>                <C>           
Net asset value, beginning of period.......            $  15.82             $ 16.81            $ 14.52             $13.80
                                                       --------            --------           --------           --------    
Net investment income (loss)...............               (0.13)              (0.11)             (0.07)             (0.02)
Net realized and unrealized gains (losses)
  from investment and foreign currency
  transactions.............................                1.23                0.37               2.57               0.74
                                                       --------            --------           --------           --------    
Net increase (decrease) from investment
  operations...............................                1.10                0.26               2.50               0.72
                                                       --------            --------           --------           --------    
Dividends from net investment income.......                  --                  --                 --                 --
Distributions from net realized gains......               (0.57)              (1.25)             (0.21)                --
                                                       --------            --------           --------           --------    
Total dividends and distributions..........               (0.57)              (1.25)             (0.21)              0.00
                                                       --------            --------           --------           --------    
Net asset value, end of period.............            $  16.35             $ 15.82            $ 16.81             $14.52
                                                       --------            --------           --------           --------    
                                                       --------            --------           --------           --------    
Total investment return (1)................                7.18%               2.46%             17.29%              5.22%
                                                       --------            --------           --------           --------    
                                                       --------            --------           --------           --------    
Ratios/Supplemental Data:
Net assets, end of period (000's)..........            $ 66,585             $83,485            $31,837            $10,807
Expenses to average net assets.............                2.27%               2.48%(2)           2.33%              2.28%*
Net investment income (loss) to average net
  assets...................................               (0.70)%             (0.68)%(2)         (0.68)%            (0.53)%*
Portfolio turnover.........................                  33%                 40%                51%                56%
Average commission rate paid (3)...........            $ 0.0120                  --                 --                 --
</TABLE>
 
                              --------------------
                               Prospectus Page 11

<PAGE>
                         ------------------------------
 
PaineWebber   Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                     Fund
 
                              FINANCIAL HIGHLIGHTS
                                  (Continued)
- --------------------------------------------------------------------------------
 
GLOBAL INCOME FUND

 
The following tables provide investors with data and ratios for one Class A,
Class B and Class C share for each of the periods shown. This information is
supplemented by the financial statements and accompanying notes appearing in
Global Income Fund's Annual Report to Shareholders for the fiscal year ended
October 31, 1996 and the report of Price Waterhouse LLP, independent
accountants, appearing in the Fund's Annual Report to Shareholders. The
financial statements, accompanying notes and accountants' report are
incorporated by reference into the Statement of Additional Information. The
financial statements and notes, as well as the financial information in the
table below insofar as they relate to each of the periods presented in the five
year period ended October 31, 1996, have been audited by Price Waterhouse LLP,
independent accountants. Further information about the Fund's performance is
also included in the Annual Report to Shareholders, which may be obtained
without charge by calling 1-800-647-1568.

<TABLE>
<CAPTION>
                                                          GLOBAL INCOME FUND
                                -----------------------------------------------------------------------
                                                                CLASS A
                                -----------------------------------------------------------------------
                                                                                              FOR THE
                                                                                              PERIOD
                                                                                              JULY 1,
                                             FOR THE YEARS ENDED OCTOBER 31,                 1991+ TO
                                ---------------------------------------------------------   OCTOBER 31,
                                  1996       1995         1994         1993        1992        1991
                                --------   --------     --------     --------    --------   -----------
<S>                             <C>        <C>          <C>          <C>         <C>        <C>
Net asset value, beginning of
 period........................ $  10.35   $   9.99     $  10.97     $  10.64    $  10.75     $ 10.40
                                --------   --------     --------     --------    --------   -----------
Net investment income..........     0.72@      0.77@        0.72         0.59        0.83        0.20
Net realized and unrealized
 gains (losses) from investment
 and foreign currency
 transactions..................     0.13@      0.31@       (1.05)        0.68       (0.12)       0.40
                                --------   --------     --------     --------    --------   -----------
Total increase (decrease) from
 investment operations.........     0.85       1.08        (0.33)        1.27        0.71        0.60
                                --------   --------     --------     --------    --------   -----------
Dividends from net investment
 income........................    (0.74)     (0.72)       (0.33)       (0.80)      (0.64)      (0.23)
Distributions from realized
 gains on investments and
 foreign currency
 transactions..................       --         --           --        (0.14)      (0.18)      (0.02)
Distributions from paid-in
 capital.......................       --         --        (0.32)          --          --          --
                                --------   --------     --------     --------    --------   -----------
Total dividends and
 distributions.................    (0.74)     (0.72)       (0.65)       (0.94)      (0.82)      (0.25)
                                --------   --------     --------     --------    --------   -----------

Net asset value, end of
 period........................ $  10.46   $  10.35     $   9.99     $  10.97    $  10.64     $ 10.75
                                --------   --------     --------     --------    --------   -----------
                                --------   --------     --------     --------    --------   -----------
Total investment return (1)....     8.60%     11.09%       (3.10)%      12.41%       6.70%       5.79%
                                --------   --------     --------     --------    --------   -----------
                                --------   --------     --------     --------    --------   -----------
Ratios/Supplemental Data:
Net assets, end of period
 (000's)....................... $549,932   $663,022     $611,855     $648,853    $107,033     $16,501
Expenses to average net
 assets........................     1.27%      1.24%(2)     1.17%        1.32%**     1.21%       1.35%*
Net investment income to
 average net assets............     6.88%      7.47%(2)     6.94%        6.82%**     7.84%       8.59%*
Portfolio turnover rate........      126%       113%         108%          90%         92%         53%
 
<CAPTION>
 
                                                     CLASS B
                                  ----------------------------------------------
 
                                                  FOR THE YEARS
                                                ENDED OCTOBER 31,
                                  ----------------------------------------------
                                    1996       1995         1994         1993
                                  --------   --------     --------    ----------
<S>                             <<C>         <C>          <C>         <C>
Net asset value, beginning of
 period........................   $  10.31   $   9.96     $  10.95    $    10.62
                                  --------   --------     --------    ----------
Net investment income..........       0.64@      0.69@        0.86          0.78
Net realized and unrealized
 gains (losses) from investment
 and foreign currency
 transactions..................       0.15@      0.30@       (1.28)         0.40
                                  --------   --------     --------    ----------
Total increase (decrease) from
 investment operations.........       0.79       0.99        (0.42)         1.18
                                  --------   --------     --------    ----------
Dividends from net investment
 income........................      (0.66)     (0.64)       (0.29)        (0.71)
Distributions from realized
 gains on investments and
 foreign currency
 transactions..................         --         --           --         (0.14)
Distributions from paid-in
 capital.......................         --         --        (0.28)           --
                                  --------   --------     --------    ----------
Total dividends and
 distributions.................      (0.66)     (0.64)       (0.57)        (0.85)
                                  --------   --------     --------    ----------
Net asset value, end of
 period........................   $  10.44   $  10.31     $   9.96    $    10.95
                                  --------   --------     --------    ----------

                                  --------   --------     --------    ----------
Total investment return (1)....       7.95%     10.24%       (3.90)%       11.45%
                                  --------   --------     --------    ----------
                                  --------   --------     --------    ----------
Ratios/Supplemental Data:
Net assets, end of period
 (000's).......................   $307,577   $484,534     $725,553    $1,188,890
Expenses to average net
 assets........................       1.99%      2.00%(2)     1.94%         2.11%**
Net investment income to
 average net assets............       6.14%      6.71%(2)     6.05%         5.97%**
Portfolio turnover rate........        126%       113%         108%           90%
</TABLE>
 
- ------------------
 @ Calculated using the average shares outstanding for the year.
 
 *  Annualized.
 
 **  Includes 0.15% of interest expense related to the reverse repurchase
    agreement transactions entered into during the fiscal year
 +  Commencement of issuance of shares.
 
 ++ Formerly Class D.
    
 (1) Total investment return is calculated assuming a $1,000 investment on the
     first day of each period reported, reinvestment of all dividends and
     distributions at net asset value on the payable date, and a
     sale at net asset value on the last day of each period reported. The
     figures do not include sales charges; results of Class A, Class B and Class
     C would be lower if sales charges were included. Total investment return
     information for periods of less than one year is not annualized.
     
 (2) These ratios include non-recurring reorganization expenses of 0.04% for
     each Class.
 
                              --------------------
                               Prospectus Page 12

<PAGE>

                         ------------------------------
 
PaineWebber   Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                     Fund
 
                              FINANCIAL HIGHLIGHTS
                                  (Continued)
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                                     GLOBAL INCOME FUND
                                   --------------------------------------------------------------------------------------
                                                                          CLASS B
                                   --------------------------------------------------------------------------------------
                                                                                                                FOR THE
                                                                                                                PERIOD
                                                                                                               MARCH 20,
                                                      FOR THE YEARS ENDED OCTOBER 31,                          1987+ TO
                                   ----------------------------------------------------------------------     OCTOBER 31,
                                      1992           1991           1990           1989           1988           1987
                                   ----------     ----------     ----------     ----------     ----------     -----------
<S>                                <C>            <C>            <C>            <C>            <C>            <C>
Net asset value, beginning of
 period........................    $    10.74     $    11.07     $    10.08     $    11.10     $    10.28      $   10.00
                                   ----------     ----------     ----------     ----------     ----------     -----------
Net investment income..........          0.94           0.85           1.01           1.01           0.98           0.47
Net realized and unrealized
 gains (losses) from investment
 and foreign currency
 transactions..................         (0.32)         (0.09)          0.96          (0.64)          1.15           0.13
                                   ----------     ----------     ----------     ----------     ----------     -----------
 
Total increase (decrease) from
 investment operations.........          0.62           0.76           1.97           0.37           2.13           0.60
                                   ----------     ----------     ----------     ----------     ----------     -----------
Dividends from net investment
 income........................         (0.56)         (0.97)         (0.98)         (0.94)         (1.06)         (0.32)
Distributions from realized
 gains on investments and
 foreign currency
 transactions..................         (0.18)         (0.12)            --          (0.45)         (0.25)            --
Distributions from paid-in
 capital.......................            --             --             --             --             --             --
                                   ----------     ----------     ----------     ----------     ----------     -----------
Total dividends and
 distributions.................         (0.74)         (1.09)         (0.98)         (1.39)         (1.31)         (0.32)
                                   ----------     ----------     ----------     ----------     ----------     -----------
Net asset value, end of
 period........................    $    10.62     $    10.74     $    11.07     $    10.08     $    11.10      $   10.28
                                   ----------     ----------     ----------     ----------     ----------     -----------
                                   ----------     ----------     ----------     ----------     ----------     -----------

Total investment return (1)....          5.93%          7.39%         20.32%          3.66%         18.29%          6.00%
                                   ----------     ----------     ----------     ----------     ----------     -----------
                                   ----------     ----------     ----------     ----------     ----------     -----------
Ratios/Supplemental Data:
Net assets, end of period
 (000's).......................    $1,542,255     $1,593,814     $1,323,495     $1,085,851     $1,145,460      $ 737,056
Expenses to average net
 assets........................          1.98%          1.94%          1.90%          1.95%          2.05%          2.08%*
 
Net investment income to
 average net assets............          7.11%          8.09%          9.88%          9.73%          9.13%          8.39%*
Portfolio turnover rate........            92%            33%           126%           124%           120%            52%
 
<CAPTION>
                                                     GLOBAL INCOME FUND
                                 ------------------------------------------------------------
                                                          CLASS C++
                                 ------------------------------------------------------------
                                                                                    FOR THE
                                                                                    PERIOD
                                             FOR THE YEARS ENDED                    JULY 2,
                                                 OCTOBER 31,                       1992+ TO
                                 --------------------------------------------     OCTOBER 31,
                                  1996        1995        1994         1993          1992
                                 -------     -------     -------     --------     -----------
<S>                                <C>       <C>         <C>         <C>          <C>
Net asset value, beginning of
 period........................  $ 10.33     $  9.98     $ 10.96     $  10.64       $ 10.94
                                 -------     -------     -------     --------     -----------
Net investment income..........     0.67@       0.71@       0.70         0.68          0.20
Net realized and unrealized
 gains (losses) from investment
 and foreign currency
 transactions..................     0.14@       0.31@      (1.09)        0.52         (0.13)
                                 -------     -------     -------     --------     -----------
Total increase (decrease) from
 investment operations.........     0.81        1.02       (0.39)        1.20          0.07
                                 -------     -------     -------     --------     -----------
Dividends from net investment
 income........................    (0.69)      (0.67)      (0.30)       (0.74)        (0.21)
Distributions from realized
 gains on investments and
 foreign currency
 transactions..................       --          --          --        (0.14)        (0.16)
Distributions from paid-in
 capital.......................       --          --       (0.29)          --            --
                                 -------     -------     -------     --------     -----------
Total dividends and
 distributions.................    (0.69)      (0.67)      (0.59)       (0.88)        (0.37)
                                 -------     -------     -------     --------     -----------
Net asset value, end of
 period........................  $ 10.45     $ 10.33     $  9.98     $  10.96       $ 10.64
                                 -------     -------     -------     --------     -----------
                                 -------     -------     -------     --------     -----------

Total investment return (1)....     8.12%      10.49%      (3.56)%      11.64%         0.61%
                                 -------     -------     -------     --------     -----------
                                 -------     -------     -------     --------     -----------
Ratios/Supplemental Data:
Net assets, end of period
 (000's).......................  $50,928     $71,329     $92,480     $135,847       $36,598
Expenses to average net
 assets........................     1.73%       1.75%(2)    1.68%        1.83%**       1.75%*
Net investment income to
 average net assets............     6.40%       6.96%(2)    6.34%        6.17%**       7.02%*
Portfolio turnover rate........      126%        113%        108%          90%           92%
</TABLE>
 
                              --------------------
                               Prospectus Page 13

<PAGE>
                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund
 
                        INVESTMENT OBJECTIVES & POLICIES
- --------------------------------------------------------------------------------
 
The Funds' investment objectives may not be changed without shareholder
approval. Except where noted, the Funds' other investment policies are not
fundamental and may be changed by their boards.
 
EMERGING MARKETS EQUITY FUND
 
   
Emerging Markets Equity Fund's investment objective is long-term capital
appreciation. The Fund seeks to achieve its objective through investment in a
diversified portfolio consisting primarily of equity securities of issuers in
emerging markets. 'Emerging markets' are the markets in all the countries not
included in the Morgan Stanley Capital International World Index, an index of
major world economies, and Malaysia. Under normal market conditions, the Fund
invests a minimum of 65% of its total assets in equity securities of issuers
located in emerging market countries and maintains investments in at least three
emerging market countries. Issuers are considered to be located in an emerging
market country if: (1) the principal securities trading market for the issuer is
in an emerging market country; (2) the issuer derives 50% or more of its annual
revenue or profit from either goods produced, sales made, investments made or
services performed in emerging market countries; or (3) the issuer is organized
under the laws of an emerging market country.
    
 
Schroder Capital attempts to spread the Fund's investments over geographic as
well as economic sectors. Generally, Schroder Capital will not invest more than
35% of the Fund's total assets in any single country. Under no circumstances
will 25% or more of the Fund's total assets be invested in any single industry.
Within each emerging market, the Fund is diversified through investments in a
number of local companies characterized by attractive valuation relative to

expected growth.
 
   
There are currently over 60 newly industrializing and developing countries with
equity markets. A number of these emerging markets are not yet easily accessible
to foreign investors and have unattractive tax barriers or insufficient
liquidity to make significant investments by the Fund feasible or attractive.
However, many of the largest of the emerging market countries have, in recent
years, liberalized access, and more are expected to do so over the coming few
years.
    

In recent years, many emerging market countries have begun programs of economic
reform: removing import tariffs, dismantling trade barriers, deregulating
foreign investment, privatizing state owned industries, permitting the value of
their currencies to float against the dollar and other major currencies, and
generally reducing the level of state intervention in industry and commerce.
Important intra-regional economic integration also holds the promise of greater
trade and growth. At the same time, significant progress has been made in
restructuring the heavy external debt burden that certain emerging market
countries accumulated during the 1970s and 1980s. While there is no assurance
that these trends will continue, Schroder Capital will seek out attractive
investment opportunities in these countries.
 
GLOBAL EQUITY FUND
 
Global Equity Fund's investment objective is long-term growth of capital. The
Fund attempts to achieve this goal by investing primarily in equity securities
issued by companies in foreign countries, as well as in the United States.
 
The International Equity Team at GE Investment Management selects equity
securities issued by companies located in developed and developing countries
throughout the world. The Fund normally invests in at least three countries, one
of which is typically the United States. The Fund normally invests at least 65%
of its total assets in equity securities of foreign and U.S. companies.
 
When the International Equity Team believes it is consistent with the Fund's
investment objective of long-term growth of capital, the Fund may invest up to
35% of its total assets in investment grade bonds issued by corporate or
governmental entities. The bonds in which the Fund invests have maturities no
longer than seven years. When the International Equity Team considers market,
economic, political or currency conditions abroad to be unstable, the Fund may
assume a temporary defensive position by investing all or a significant portion
of its assets in securities of U.S. and Canadian issuers or by holding cash or
short-term money market investments.
 
Under normal circumstances, at least 80% of the Fund's total assets are invested
in equity securities or bonds of issuers in countries represented in the Morgan
Stanley Capital International World Index. This is
 
                              --------------------
                               Prospectus Page 14

<PAGE>


                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund

a well-known index that reflects developed and developing markets throughout the
world.
 
GLOBAL INCOME FUND
 
Global Income Fund's primary investment objective is high current income
consistent with prudent investment risk; capital appreciation is a secondary
objective. The Fund seeks to achieve these objectives by investing principally
in high-quality debt securities issued or guaranteed by foreign governments, by
the U.S. government, by their respective agencies or instrumentalities or by
supranational organizations, or issued by U.S. or foreign companies.
 
The Fund's portfolio consists primarily of debt securities rated within one of
the two highest grades assigned by Standard & Poor's, a division of The
McGraw-Hill Companies, Inc. ('S&P'), Moody's Investors Service, Inc. ('Moody's')
or another nationally recognized statistical rating organization ('NRSRO') or,
if unrated, determined by Mitchell Hutchins to be of comparable quality.
Normally, at least 65% of the Fund's total assets are invested in high-quality
debt securities, denominated in foreign currencies or U.S. dollars, of issuers
located in at least three of the following countries: Australia, Austria,
Belgium, Canada, Denmark, Finland, France, Germany, Hong Kong, Ireland, Italy,
Japan, the Netherlands, New Zealand, Norway, Portugal, Singapore, Spain, Sweden,
Switzerland, Thailand, the United Kingdom and the United States. No more than
40% of the Fund's assets normally are invested in securities of issuers located
in any one country other than the United States. Up to 5% of the Fund's total
assets may be invested in debt securities convertible into equity securities.
 
The Fund may invest up to 35% of its total assets in debt securities rated below
the two highest grades assigned by an NRSRO. Except as noted below, these
securities must be rated at least BBB by S&P, Baa by Moody's or comparably rated
by another NRSRO or, if unrated, determined by Mitchell Hutchins to be of
comparable quality. Within this 35% limitation, the Fund may invest up to 20% of
its total assets in sovereign debt securities rated as low as BB by S&P, Ba by
Moody's or comparably rated by another NRSRO or, in the case of such securities
assigned a short-term debt rating, no lower than B by S&P or comparably rated by
another NRSRO or, if not so rated, determined by Mitchell Hutchins to be of
comparable quality. Mitchell Hutchins will purchase such securities for the Fund
only when it concludes that the anticipated return to the Fund on such
investment warrants exposure to the additional level of risk.
 
- --------------------------------------------------------------------------------
                        INVESTMENT PHILOSOPHY & PROCESS
- --------------------------------------------------------------------------------
 
EMERGING MARKETS EQUITY FUND
 
In selecting emerging market equity securities for Emerging Markets Equity Fund,
Schroder Capital combines rigorous, fundamental research with a quantitative

assessment of the economic potential of the various countries in which
investments might be made. Schroder Capital focuses on companies in emerging
market countries where it believes there is likely to be a favorable long-term
business environment and where it believes a company's growth is less likely to
be impeded by adverse macro-economic or political factors. Within those
countries, Schroder Capital selects stocks of companies that, based on its
analysis of fundamental corporate data, it believes have a sustainable
competitive advantage and whose growth potential is undervalued by investors.
 
   
Schroder Capital believes that one of its key strengths is its worldwide network
of investment management affiliates and access to its network of local research
offices, many long established, in emerging market countries. Schroder Capital
is a wholly owned indirect subsidiary of Schroders plc, the holding company
parent of an international group of banks and financial services companies
('Schroder Group') with associated companies and investment and representative
offices located around the world. Each year, the Schroder Group researches and
conducts on-site visits with 1,200 companies in emerging market countries. Of
those companies, the Schroder Group's investment professionals further develop
extensive management contacts with, and produce independent forecasts of
earnings estimates for, 500 companies. Schroder Capital analyzes small and
medium-sized companies, as well as the better-known larger capitalization
companies. Schroder Capital believes that small companies are analyzed by fewer
investors and are less likely than larger companies to be efficiently priced.
    
 
                              --------------------
                               Prospectus Page 15

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund
 
GLOBAL EQUITY FUND
 
In selecting equity securities for Global Equity Fund, the International Equity
Team at GE Investment Management searches for growth companies selling at
reasonable prices, with an emphasis on undervalued medium- to large-size growth
companies with a global presence. The investment process employed by the
International Equity Team involves several steps.
 
First, the International Equity Team carefully screens a universe of thousands
of global stocks by comparing each company's price-to-earnings ratio with its
long-term growth. This evaluation helps eliminate companies whose stock prices
are too expensive, typically resulting in a list of several hundred stocks.
Next, this smaller group of stocks is rigorously analyzed by the International
Equity Team's experienced investment professionals. This step, which is designed
to determine whether a stock's price reflects its true value and whether the
market may eventually recognize the stock's value, reduces the universe to fewer
stocks.
 

   
Finally, the International Equity Team looks for a catalyst (such as new
management, new products or changing industry dynamics) that might cause the
market to realize a stock is undervalued. This process typically results in
fewer than 100 stocks that the International Equity Team will buy for the Fund's
portfolio.
    
 
The strength of the Team's conviction about each company is part of what
determines the size of each holding.
 
The International Equity Team regularly reviews the equity securities held in
the Fund's portfolio to assess risks, such as stability in the political and
economic conditions of underlying countries, fluctuations in currency rates,
liquidity, changes in company earnings, and other relevant factors.
 
GLOBAL INCOME FUND
 
Global Income Fund's investment policies are designed to enable it to capitalize
on unique investment opportunities presented throughout the world and in
international financial markets influenced by the increasing interdependence of
economic cycles and currency exchange rates. Over the past decade, debt
securities offered by certain foreign governments provided higher investment
returns than U.S. government debt securities. Such returns reflect interest
rates and other market conditions prevailing in those countries and the effect
of gains and losses in the denominated currencies, which have had a substantial
impact on investment in foreign debt securities. The importance of global debt
markets is illustrated by a popular index used to assess both U.S. government
and foreign government debt markets, namely the Salomon Brothers World
Government Bond Market Index. As of December 31, 1996, more than 67% of this
index was represented by securities denominated in currencies other than the
U.S. dollar.
 
The Global Fixed Income Management Team at Mitchell Hutchins relies on
fundamental economic strength, credit quality and currency and interest rate
trends as the principal determinants of the various country, geographic and
industry sector weightings within the Fund's portfolio. In addition, certain of
the Fund's assets are invested in the debt securities of certain U.S.
governmental and corporate issuers. The Management Team believes that over time
investment in a composite of foreign fixed income markets and in the U.S.
government and corporate bond markets is less risky than a portfolio comprised
exclusively of foreign securities and provides investors with the potential to
earn a higher return than a portfolio invested exclusively in U.S. debt
securities.
 
                              --------------------
                               Prospectus Page 16

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund

 
                                  PERFORMANCE
- --------------------------------------------------------------------------------
 
These charts show the total returns for the Funds. Sales charges have not been
deducted from total returns shown in the charts. Returns would be lower if sales
charges were deducted. Total returns both before and after deducting the maximum
sales charges are shown below in the tables that follow the performance charts.
Past results are not a guarantee of future results.
 
EMERGING MARKETS EQUITY FUND
 
                                     [BAR GRAPH]

   
                                  Class A         Class B         Class C
1/19/94 - 12/31/94                -12.58%                         -13.17%
1995                              -11.20%          0.55%          -11.87%
1996                                4.86%          4.14%            4.03%
    
   
The inception date for Class A and Class C shares was January 19, 1994; thus,
the 1994 return represents the period from January 19, 1994 through December 31,
1994. The inception date for the Class B shares was December 5, 1995; thus the
1995 return represents the period from December 5, 1995 to December 31, 1995.
Schroder Capital was appointed sub-adviser for Emerging Markets Equity Fund
effective February 25, 1997; thus, while past performance is never a guarantee
of future results, information for periods prior to that date may be less
indicative of current or future operations than would otherwise be the case.
    
 
<TABLE>
<CAPTION>
AVERAGE ANNUAL RETURNS
  As of October 31, 1996
                                      CLASS A     CLASS B*    CLASS C
                                      --------    --------    --------
<S>                                   <C>         <C>         <C>
Inception Date.....................    1/19/94     12/5/95     1/19/94

ONE YEAR
  Before deducting maximum sales
     charges.......................     (1.25)%        N/A      (1.89)%
  After deducting maximum sales
     charges.......................     (5.68)%        N/A      (2.89)%

LIFE
  Before deducting maximum sales
     charges.......................     (7.99)%     (2.08)%     (8.67)%
  After deducting maximum sales
     charges.......................     (9.52)%     (2.92)%     (8.67)%
</TABLE>
 
- ------------------

* Return information for Class B shares has not been annualized and reflects
  results for the period December 5, 1995 through October 31, 1996.
 
                              --------------------
                               Prospectus Page 17

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund
 
GLOBAL EQUITY FUND
 
                               [BAR GRAPH]

                            Class A           Class B             Class C
11/14/91 - 12/31/91          2.42%     
1992                         3.26%     
1993                        30.77%                                 17.39%
1994                        -2.53%                                 -3.12%
1995                        13.54%             1.29%               12.76%
1996                        14.80%             13.91%              13.91%
                                  

   
The inception date for Class A shares was November 14, 1991; thus, the 1991
return represents the period from November 14, 1991 through December 31, 1991.
As the inception date of Class B shares was August 25, 1995, the 1995 return for
Class B shares represents the period from August 25, 1995 through December 31,
1995. The inception date of Class C shares was May 10, 1993; thus, the 1993
return for Class C shares represents the period from May 10, 1993 through
December 31, 1993.
    
 
<TABLE>
<CAPTION>
AVERAGE ANNUAL RETURNS
  As of October 31, 1996
                                      CLASS A     CLASS B     CLASS C
                                      --------    --------    --------
<S>                                   <C>         <C>         <C>
Inception Date.....................   11/14/91     8/25/95     5/10/93

ONE YEAR
  Before deducting maximum sales
     charges.......................      14.17%      13.28%      13.28%
  After deducting maximum sales
     charges.......................       9.01%       8.28%      12.28%

LIFE
  Before deducting maximum sales
     charges.......................      11.14%       9.13%      10.23%

  After deducting maximum sales
     charges.......................      10.11%       5.80%      10.23%
</TABLE>
 
                              --------------------
                               Prospectus Page 18

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund
 
GLOBAL INCOME FUND

                                  [BAR GRAPH]

                             Class A           Class B            Class C
3/20/87 -12/31/87                               17.58%
1988                                            12.15%
1989                                             5.44%
1990                                            17.72%
1991                          11.11%            10.75%
1992                           1.22%             0.38%             0.10%
1993                          14.16%            13.36%            13.64%
1994                          -3.89%            -4.77%            -4.43%
1995                          13.20%            12.39%            12.54%
1996                           7.13%             6.34%             6.70% 


   
The inception date for Class A shares was July 1, 1991; thus, the 1991 return
for Class A shares represents the period from July 1, 1991 through December 31,
1991. The inception date of Class B shares was March 20, 1987; thus, the 1987
return represents the period from March 20, 1987 through December 31, 1987. The
inception date of Class C shares was July 2, 1992; thus, the 1992 return for
Class C shares represents the period from July 2, 1992 through December 31,
1992.
    
 
<TABLE>
<CAPTION>
AVERAGE ANNUAL RETURNS
  As of October 31, 1996
 
                                      CLASS A     CLASS B     CLASS C
                                      --------    --------    --------
<S>                                   <C>         <C>         <C>
Inception Date.....................     7/1/91     3/20/87      7/2/92

ONE YEAR
  Before deducting maximum sales
     charges.......................       8.60%       7.95%       8.12%

  After deducting maximum sales
     charges.......................       4.27%       2.95%       7.37%

FIVE YEARS
  Before deducting maximum sales
     charges.......................       6.98%       6.18%        N/A
  After deducting maximum sales
     charges.......................       6.11%       5.86%        N/A

LIFE
  Before deducting maximum sales
     charges.......................       7.66%       9.52%       6.13%
  After deducting maximum sales
     charges.......................       6.84%       9.52%       6.13%
</TABLE>
 
PERFORMANCE INFORMATION
 
The Funds perform a standardized computation of annualized total return and may
show this return in advertisements or promotional materials. Standardized return
shows the change in value of an investment in a Fund as a steady compound annual
rate of return. Actual year-by-year returns fluctuate and may be higher or lower
than standardized return. Standardized returns for Class A shares of the Funds
reflect deduction of the Funds' maximum initial sales charge of 4.5% (4% in the
case of Global Income Fund) at the time of purchase, and standardized returns
for the Class B and Class C shares of the Funds reflect deduction of the
applicable contingent deferred sales charge imposed on the sale of shares held
for the period. One-, five-and ten-year periods will be shown, unless the Fund
or Class has been in existence for a shorter period. If so, returns will be
shown for the period since inception,
 
                              --------------------
                               Prospectus Page 19

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund

known as 'Life.' Total return calculations assume reinvestment of dividends and
other distributions.
 
The Funds may use other total return presentations in conjunction with
standardized return. These may cover the same or different periods as those used
for standardized return and may include cumulative returns, average annual
rates, actual year-by-year rates or any combination thereof. Non-standardized
return does not reflect initial or contingent deferred sales charges and would
be lower if such charges were deducted.
 
Total return information reflects past performance and does not indicate future
results. The investment return and principal value of shares of the Funds will
fluctuate. The amount investors receive when selling shares may be more or less

than what they paid. Further information about each Fund's performance is
contained in its Annual Report, which may be obtained without charge by
contacting the Fund, your PaineWebber investment executive or PaineWebber's
correspondent firms or by calling toll-free 1-800-647-1568.
 
- --------------------------------------------------------------------------------
                             THE FUNDS' INVESTMENTS
- --------------------------------------------------------------------------------
 
EQUITY SECURITIES include common stocks, preferred stocks and securities that
are convertible into them, including convertible debentures and notes and common
stock purchase warrants and rights. 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 is actually
equity in a company, like common stock. Convertible securities may include
debentures, notes and preferred equity securities, which are convertible into
common stock.
 
BONDS (including notes and debentures) are used by corporations and governments
to borrow money from investors. The issuer pays the investor a fixed or variable
rate of interest and must repay the amount borrowed at maturity. Bonds have
varying degrees of investment risk and varying levels of sensitivity to changes
in interest rates.
 
RISKS
 
Following is a discussion of the risks that are common to each Fund:
 
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.
 
BONDS. Bonds are subject to interest rate risk and credit risk. Interest rate
risk is the risk that interest rates will rise and bond prices will fall,
lowering the value of the Fund's bond investments. Credit risk is the risk that
adverse changes in economic conditions can affect an issuer's ability to pay
principal and interest. In addition, there is a risk that bonds will be
downgraded by rating agencies. Credit ratings attempt to evaluate the safety of
principal and interest payments and do not evaluate the volatility of the
security's value or its liquidity. 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.
 
Debt securities rated below investment grade generally offer a higher current
yield than that available for higher grade issues, but they involve higher
risks, in that they are especially subject 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 and subordinated to the prior payment of senior indebtedness.
 
FOREIGN SECURITIES. Investing in foreign securities involves more risks than
investing in securities of U.S. companies. Their value is subject to economic
and political developments in the countries where the companies operate and to
changes in foreign currency values. Values may also be affected by foreign tax
laws, changes in
 
                              --------------------
                               Prospectus Page 20

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund

foreign economic or monetary policies, exchange control regulations and
regulations involving prohibitions on the repatriation of foreign currencies.
Investments in foreign countries could be affected by other factors not present
in the United States, including expropriation, confiscatory taxation, lack of
uniform accounting and auditing standards and potential difficulties in
enforcing contractual obligations and could be subject to extended clearance and
settlement periods.
 
In general, less information may be available about foreign companies than about
U.S. companies, and foreign companies are generally not subject to the same
accounting, auditing and financial reporting standards as are U.S. companies.
Foreign securities markets may be less liquid and subject to less regulation
than the U.S. securities markets. The costs of investing outside the United
States frequently are higher than those in the United States. These costs
include relatively higher brokerage commissions and foreign custody expenses.
 
INVESTING IN EMERGING MARKETS. Investing in securities issued by companies
located in emerging markets involves additional risks. These countries typically
have economic and political systems that are relatively less mature, and can be
expected to be less stable, than those of developed countries. Emerging market
countries may have policies that restrict investment by foreigners in those
countries, and there is a risk of government expropriation or nationalization of
private property. The possibility of low or nonexistent trading volume in the
securities of companies in emerging markets may also 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 developed markets.
 
CURRENCY. Currency risk is the risk that changes in foreign exchange rates may
reduce the U.S. dollar value of a Fund's foreign investments. A Fund's share

value may change significantly when investments are denominated in foreign
currencies. Generally, currency exchange rates are determined by supply and
demand in the foreign exchange markets and the relative merits of investments in
different countries. Currency exchange rates can also be affected by the
intervention of the U.S. and foreign governments or central banks, the
imposition of currency controls, speculation or other political or economic
developments inside and outside the United States.
 
DERIVATIVES. Some of the instruments in which the Funds may invest may be
referred to as 'derivatives,' because their value depends on (or 'derives' from)
the value of an underlying asset, reference rate or index. These instruments
include options, futures contracts, forward currency contracts, interest rate
protection contracts and similar instruments that may be used in hedging and
related strategies. There is limited consensus as to what constitutes a
'derivative' security. The market value of derivative instruments and securities
sometimes is more volatile than that of other investments, and each type of
derivative instrument may pose its own special risks. Mitchell Hutchins and the
sub-advisers take these risks into account in their management of the Funds.
 
COUNTERPARTIES. The Funds may be exposed to the risk of financial failure or
insolvency of another party. To help lessen those risks, the sub-advisers and
Mitchell Hutchins, subject to the supervision of the respective boards of
trustees, monitor and evaluate the creditworthiness of the parties with which
each Fund does business.
 
In addition to these general risks, investments in each Fund are subject to
special risk considerations:
 
EMERGING MARKETS EQUITY FUND
 
INVESTING IN NON-CAPITALIST COUNTRIES. Emerging Markets Equity Fund may invest
in emerging markets that are formerly communist countries of Eastern
Europe, the Commonwealth of Independent States (formerly the Soviet Union) and
the People's Republic of China (collectively, 'Non-Capitalist Countries'). Upon
the accession to power of communist regimes approximately 50 to 80 years ago,
the governments of a number of Non-Capitalist Countries expropriated a large
amount of property. The claims of many property owners against those governments
were never finally settled. There can be no assurance that the Fund's
investments in Non-Capitalist Countries, if any, would not also be expropriated,
nationalized or otherwise confiscated, in which case the Fund could lose its
entire investment in the Non-Capitalist Country involved. In addition, any
change in the leadership or policies of Non-Capitalist Countries may halt the
expansion of or reverse the liberalization of foreign investment policies now
occurring.
 
GLOBAL EQUITY FUND
 
BONDS. The bonds in which Global Equity Fund may invest must be rated investment
grade except as otherwise noted below. Investment grade quality means that the
securities are rated within the four highest categories by S&P or Moody's or
comparably rated by another NRSRO. Securities in the fourth highest category
(BBB by S&P or Baa by Moody's) are investment grade, but Moody's considers
securities rated Baa to have speculative characteristics. Changes in economic
conditions or other circumstances are more likely to lead to a weakened capacity

for such securities to
 
                              --------------------
                               Prospectus Page 21

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund

make principal and interest payments than is the case for higher-rated
securities. The Fund may invest in unrated securities if GE Investment
Management deems them to be of comparable quality. The Fund may invest up to 10%
of its net assets in convertible securities rated below investment grade.
 
GLOBAL INCOME FUND
 
U.S. AND FOREIGN GOVERNMENT SECURITIES. The U.S. government securities in which
the Fund may invest include direct obligations of the U.S. government (such as
Treasury bills, notes and bonds) and obligations issued or guaranteed by U.S.
government agencies and instrumentalities. The Fund is authorized to invest in
mortgage-backed securities issued or guaranteed by the Government National
Mortgage Association ('Ginnie Mae'), Fannie Mae (formerly, the Federal National
Mortgage Association) or the Federal Home Loan Mortgage Corporation ('Freddie
Mac'), but does not presently expect to invest more than 10% of its total assets
in such securities.
 
The Fund may invest in 'zero coupon' Treasury securities, which are Treasury
bills, notes and bonds that have been stripped of their unmatured interest
coupons, and receipts or certificates representing interest in such stripped
debt obligations and coupons. A zero coupon security pays no cash interest to
its holder prior to maturity. Accordingly, these securities usually are issued
and traded at a deep discount from their face or par value and are subject to
greater fluctuations of market value in response to changing interest rates than
debt obligations of comparable maturities that make current income payments.
Federal tax law requires that the holder of a zero coupon security include in
gross income each year the original issue discount that accrues on the security
for the year, even though the holder receives no interest payment on the
security during the year. For additional discussion of the tax treatment of zero
coupon Treasury securities, see 'Taxes' in the Statement of Additional
Information.
 
The foreign government securities in which the Fund may invest generally consist
of obligations supported by national, state or provincial governments or similar
political subdivisions. Investments in foreign government debt securities
involve special risks. The issuer of the debt or the governmental authorities
that control the repayment of the debt may be unable or unwilling to pay
interest or repay principal when due in accordance with the terms of such debt,
and the Fund may have limited legal recourse in the event of default. Political
conditions, especially a sovereign entity's willingness to meet the terms of its
debt obligations, are of considerable significance.


BONDS; LOWER-RATED BONDS. Global Income Fund is permitted to invest up to 35% of
its total assets in securities rated below the two highest grades assigned by an
NRSRO. Except as noted below, these securities must be rated at least BBB by S&P
or Baa by Moody's. These securities are investment grade, but Moody's considers
securities rated Baa to have speculative characteristics. Changes in economic
conditions or other circumstances are more likely to lead to a weakened capacity
for such securities to make principal and interest payments than is the case for
higher-rated securities. Within this 35% limitation, the Fund may invest up to
20% of its total assets in sovereign debt securities rated as low as BB by S&P,
Ba by Moody's or comparably rated by another NRSRO or, in the case of such
securities assigned a short-term debt rating, no lower than B by S&P or
comparably rated by another NRSRO. These securities, commonly referred to as
'junk bonds,' are deemed by those NRSROs to be predominantly speculative with
respect to the issuer's capacity to pay interest and repay principal and may
involve major risk exposure to adverse conditions. Short-term debt rated B by
S&P is regarded by the rating agency as having only an adequate capacity for
timely payment. The Fund is also permitted to purchase debt securities that are
not rated by an NRSRO but that Mitchell Hutchins determines to be of comparable
quality to that of rated securities in which the Fund may invest. Such
securities are included in the computation of any percentage limitations
applicable to the comparably rated securities. In the event that, due to a
downgrade of one or more debt securities, an amount in excess of 20% of the
Fund's total assets is held in securities rated below investment grade and
comparably unrated securities, Mitchell Hutchins will engage in an orderly
disposition of such securities to the extent necessary to ensure that the Fund's
holdings of such securities do not exceed 20% of the Fund's total assets.
 
   
MORTGAGE-BACKED SECURITIES. Mortgage-backed securities are bonds backed by
direct or indirect pools of underlying mortgage loans that are secured by real
property. The U.S. government mortgage-backed securities in which Global Income
Fund may invest are issued or guaranteed as to principal and interest (but not
as to market value) by Ginnie Mae, Fannie Mae or Freddie Mac. Mortgage-backed
securities may be composed of one or more classes and may be structured either
as pass-through securities or collateralized debt obligations.
    
 
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. When
 
                              --------------------
                               Prospectus Page 22

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund

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. Because of
prepayments, mortgage-backed securities may not benefit as much as other bonds
from declining interest rates, and Global Income Fund may have to reinvest
prepayments in bonds with lower interest rates than the original investment,
thus adversely affecting its 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.
 
NON-DIVERSIFIED STATUS. The Fund is 'non-diversified,' as that term is defined
in the 1940 Act, but it intends to continue to qualify as a 'regulated
investment company' for federal income tax purposes. See 'Dividends & Taxes.'
This means, in general, that more than 5% of the total assets of the Fund may be
invested in securities of one issuer (including a foreign government), but only
if, at the close of each quarter of the Fund's taxable year, the aggregate
amount of such holdings does not exceed 50% of the value of its total assets and
no more than 25% of the value of its total assets is invested in the securities
of a single issuer. To the extent that the Fund's portfolio at times may include
the securities of a smaller number of issuers than if it were 'diversified' (as
defined in the 1940 Act), the Fund will at such times be subject to greater risk
with respect to its portfolio securities than an investment company that invests
in a broader range of securities, in that changes in the financial condition or
market assessment of a single issuer may cause greater fluctuation in the Fund's
total return and the price of Fund shares.
 
INVESTMENT TECHNIQUES AND STRATEGIES
 
HEDGING AND OTHER STRATEGIES USING DERIVATIVE CONTRACTS. Each Fund may use
derivative contracts, such as options (both exchange traded and over-the-
counter), futures contracts and forward currency contracts, in strategies
intended to reduce the overall risk of its investments ('hedge') or, in the case
of Global Income Fund, to enhance income or realize gains. Use of these
derivative contracts solely to enhance income or realize gains may be considered
a form of speculation. Global Income Fund also may use interest rate swaps and
similar contracts to preserve a return or spread on a particular investment or
portion of its portfolio or to protect against an increase in the price of
securities that the Fund anticipates purchasing at a later date. New financial
products and risk management techniques continue to be developed, and they may
be used by any Fund if consistent with its investment objective and policies.
The Statement of Additional Information contains further information on these
derivative contracts and related hedging strategies.
 
The Funds might not use any of these derivative contracts or hedging strategies,
and there can be no assurance that using them will succeed. If Schroder Capital,
GE Investment Management or Mitchell Hutchins, as applicable, is incorrect in
its judgment on market values, interest rates or other economic factors in using
a hedging strategy, a Fund may have lower net income and a net loss on the
investment. Each of these strategies involves certain risks, which include:
 
o the fact that the skills needed to implement a hedging strategy are different
  from those needed to select securities for the Funds;
 
o the possibility of imperfect correlation, or even no correlation, between
  price movements of derivative contracts used in hedging strategies and price

  movements of the securities or currencies being hedged;
 
o possible constraints placed on a Fund's ability to purchase or sell portfolio
  investments at advantageous times due to the need for the Fund to maintain
  'cover' or to segregate securities; and
 
o the possibility that a Fund is unable to close out or liquidate its hedged
  position.
 
REPURCHASE AGREEMENTS. Each Fund may use repurchase agreements. Repurchase
agreements are transactions in which a Fund purchases securities from a bank or
recognized securities dealer and simultaneously commits to resell the securities
to the bank or dealer, usually no more than seven days after purchase, 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 securities.
Repurchase agreements carry certain risks not associated with direct investments
in securities, including a possible decline in the market value of the
underlying securities and delays and costs to the Fund if the other party to the
repurchase agreement becomes insolvent. Each Fund intends to enter into
repurchase agreements only with banks and dealers in transactions believed by
Mitchell Hutchins or a sub-adviser to present minimum credit risks in accordance
with guidelines established by the Fund's board.
 
REVERSE REPURCHASE AGREEMENTS. Global Income Fund may enter into reverse
repurchase agreements with banks and broker-dealers up to an aggregate value
 
                              --------------------
                               Prospectus Page 23

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund

of not more than 10% of its total assets. Such agreements involve the sale of
securities held by the Fund subject to its agreement to repurchase the
securities at an agreed-upon date or upon demand and at a price reflecting a
market rate of interest. Such agreements are considered to be borrowings and may
be entered into only for temporary or emergency purposes. The Fund will not
purchase portfolio securities while borrowings (including reverse repurchase
agreements) in excess of 5% of the value of its total assets are outstanding.
 
WHEN-ISSUED AND DELAYED-DELIVERY SECURITIES. Each Fund may purchase securities
on a 'when-issued' or delayed-delivery basis. In when-issued or delayed-delivery
transactions, delivery of the securities occurs beyond normal settlement
periods, but the Fund would not pay for such securities or start earning
interest on them until they are delivered. However, when the Fund purchases
securities on a when-issued or delayed-delivery basis, it immediately assumes
the risks of ownership, including the risk of price fluctuation. When-issued and
delayed-delivery securities will not exceed 10% of Global Equity Fund's net
assets.
 

LENDING PORTFOLIO SECURITIES. Each Fund may lend its securities to qualified
broker-dealers or institutional investors in an amount up to 33 1/3% of that
Fund's total assets. Lending securities enables a Fund to earn additional
income, but could result in a loss or delay in recovering these securities.
 
PORTFOLIO TURNOVER. Each Fund's portfolio turnover rate may vary greatly from
year to year and will not be a limiting factor when Mitchell Hutchins or a
sub-adviser deems portfolio changes appropriate. A higher turnover rate (100% or
more) for a Fund will involve correspondingly greater transaction costs, which
will be borne directly by the Fund, and may increase the potential for
short-term capital gains.
 
DEFENSIVE POSITIONS. When Mitchell Hutchins or the sub-adviser, as applicable,
believes that unusual market or economic circumstances warrant a defensive
posture, each Fund may temporarily commit all or any portion of its assets to
cash or investment grade money market instruments of U.S. or foreign issuers,
including repurchase agreements.
 
ILLIQUID SECURITIES. Global Equity Fund and Global Income Fund each may invest
up to 10% of its net assets, and Emerging Markets Equity Fund up to 15% of its
net assets, in illiquid securities, including certain cover for over-the-counter
options and securities whose disposition is restricted under the federal
securities laws. The Funds do not consider securities that are eligible for
resale pursuant to SEC Rule 144A to be illiquid securities if Mitchell Hutchins
or the sub-adviser, as applicable, has determined such securities to be liquid,
based upon the trading markets for the securities under procedures approved by
the Funds' boards.
 
OTHER INFORMATION. Each Fund may borrow money for temporary or emergency
purposes in the following amounts of total assets: Emerging Markets Equity
Fund--33 1/3%, Global Equity Fund--20%, and Global Income Fund--10%. Each Fund
may sell securities short 'against the box' to defer realization of gains or
losses for tax or other purposes. When a security is sold against the box, the
seller owns the security. In addition, each Fund may invest up to 10% of its
total assets in the securities of other investment companies. To the extent a
Fund invests in other investment companies, the Fund's shareholders incur
duplicative fees and expenses, including investment advisory fees. Each Fund may
invest up to 35% of its total assets in cash or investment grade money market
instruments of U.S. or foreign issuers for liquidity purposes or pending
investment in other securities. Subject to this 35% limitation, Global Income
Fund may acquire these securities as an investment.
 
- --------------------------------------------------------------------------------
                               FLEXIBLE PRICING(ServiceMark)
- --------------------------------------------------------------------------------
 
Each Fund offers through this Prospectus three classes of shares that differ in
terms of sales charges and expenses. An investor can select the class that is
best suited to his or her investment needs, based upon the holding period and
the amount of investment.
 
CLASS A SHARES
 
HOW PRICE IS CALCULATED: The price is the net asset value plus the initial sales

charge (the maximum is 4.5% of the public offering price or, in the case of
Global Income Fund, 4% of the public offering price) next calculated after
PaineWebber's New York City headquarters or PFPC Inc., the Funds' transfer agent
('Transfer Agent'), receives the purchase order. Although investors pay an
initial sales charge when they buy Class A shares, the ongoing expenses for this
class are lower than the ongoing expenses of Class B and Class C shares. Class A
shares sales charges are calculated as follows:
 
                              --------------------
                               Prospectus Page 24

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund
 
EMERGING MARKETS EQUITY FUND AND GLOBAL EQUITY FUND
 
<TABLE>
<CAPTION>
                                             SALES CHARGE AS A
                                               PERCENTAGE OF                DISCOUNT TO
                                         -------------------------       SELECTED DEALERS
                                         OFFERING       NET AMOUNT         AS PERCENTAGE
AMOUNT OF INVESTMENT                      PRICE          INVESTED        OF OFFERING PRICE
- -----------------------------------      --------       ----------       -----------------
<S>                                      <C>            <C>              <C>
Less than $50,000..................        4.50%           4.71%                4.25%
$50,000 to $99,999.................        4.00            4.17                 3.75
$100,000 to $249,999...............        3.50            3.63                 3.25
$250,000 to $499,999...............        2.50            2.56                 2.25
$500,000 to $999,999...............        1.75            1.78                 1.50
$1,000,000 and over (1)............        None            None                 1.00(2)
</TABLE>
 
GLOBAL INCOME FUND
 
<TABLE>
<CAPTION>
                                             SALES CHARGE AS A
                                               PERCENTAGE OF                DISCOUNT TO
                                         -------------------------       SELECTED DEALERS
                                         OFFERING       NET AMOUNT         AS PERCENTAGE
AMOUNT OF PURCHASE                        PRICE          INVESTED        OF OFFERING PRICE
- -----------------------------------      --------       ----------       -----------------
<S>                                      <C>            <C>              <C>
Less than $100,000.................        4.00%           4.17%                3.75%
$100,000 to $249,999...............        3.00            3.09                 2.75
$250,000 to $499,999...............        2.25            2.30                 2.00
$500,000 to $999,999...............        1.75            1.78                 1.50
$1,000,000 and over (1)............        None            None                 1.00(2)

</TABLE>
 
- ------------------
(1) A contingent deferred sales charge of 1% of the shares' offering price or
    the net asset value at the time of sale by the shareholder, whichever is
    less, is charged on sales of shares made within one year of the purchase
    date. Class A shares representing reinvestment of any dividends or other
    distributions are not subject to the 1% charge. Withdrawals under the
    Systematic Withdrawal Plan are not subject to this charge. However,
    investors may not withdraw annually more than 12% of the value of the Fund
    account under the Plan in the first year after purchase.
 
(2) Mitchell Hutchins pays 1% to PaineWebber.
 
SALES CHARGE REDUCTIONS & WAIVERS
 
Investors who are purchasing Class A shares in more than one PaineWebber mutual
fund may combine those purchases to get a reduced sales charge. Investors who
already own Class A shares in one or more PaineWebber mutual funds may combine
the amount they are currently purchasing with the value of such previously owned
shares to qualify for a reduced sales charge. To determine the sales charge
reduction in either case, please refer to the charts above.
 
Investors may also qualify for a lower sales charge when they combine their
purchases with those of:
 
o their spouses, parents or children under age 21;
 
o their Individual Retirement Accounts (IRAs);
 
o certain employee benefit plans, including 401(k) plans;
 
o any company controlled by the investor;
 
o trusts created by the investor;
 
o Uniform Gifts to Minors Act/Uniform Transfers to Minors Act accounts created
  by the investor or group of investors for the benefit of the investors'
  children; or
 
o accounts with the same adviser.

Employers who own Class A shares for one or more of their qualified retirement
plans may also qualify for the reduced sales charge.
 
The sales charge will not apply when the investor:
 
o is an employee, director, trustee or officer of PaineWebber, its affiliates or
  any PaineWebber mutual fund;
 
o is the spouse, parent or child of any of the above, or advisory clients of
  Mitchell Hutchins;
 
o buys these shares through a PaineWebber investment executive who was formerly

  employed as a broker with a competing brokerage firm that was registered as a
  broker-dealer with the SEC and
 
     o the investor was the investment executive's client at the competing
       brokerage firm;
 
     o within 90 days of buying Class A shares in a Fund, the investor sells
       shares of one or more mutual funds that (a) were principally underwritten
       by the competing brokerage firm or its affiliates and (b) the investor
       either paid a sales charge to buy those shares, paid a contingent
       deferred sales charge when selling them or held
 
                              --------------------
                               Prospectus Page 25

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund

       those shares until the contingent deferred sales charge was waived; and
 
     o the amount that the investor purchases does not exceed the total amount
       of money the investor received from the sale of the other mutual fund;
 
o is a certificate holder of unit investment trusts sponsored by PaineWebber and
  has elected to have dividends and other distributions from that investment
  automatically invested in Class A shares;
 
o is an employer establishing an employee benefit plan qualified under section
  401, including a salary reduction plan qualified under section 401(k) or
  section 403(b) of the Internal Revenue Code. (This waiver is subject to
  minimum requirements, with respect to the number of employees and investment
  amount, established by Mitchell Hutchins. Currently, a plan must have 100 or
  more eligible employees or the amount invested or to be invested in a Fund or
  any other PaineWebber mutual fund must total at least $1 million during the
  subsequent 13-month period);
 
o acquires Class A 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 Class A 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 acquires Class A shares in connection with a reorganization pursuant to which
  a Fund acquires substantially all of the assets and liabilities of another
  investment company in exchange for shares of the Fund.
 

For more information on how to get any reduced sales charge, investors should
contact their investment executive at PaineWebber or one of its correspondent
firms or call 1-800-647-1568. Investors must provide satisfactory information to
PaineWebber or the Fund if they seek any of these waivers.
 
CLASS B SHARES
 
HOW PRICE IS CALCULATED: The price is the net asset value next calculated after
PaineWebber's New York City headquarters or the Transfer Agent receives the
purchase order. The ongoing expenses investors pay for Class B shares are higher
than those of Class A shares. Because investors do not pay an initial sales
charge when they buy Class B shares, 100% of their purchase is immediately
invested.
 
Depending on how long they own their Fund investment, investors may have to pay
a sales charge when they sell their Fund shares. This sales charge is called a
'contingent deferred sales charge.' The amount of the charge depends on how long
the investor owned the shares. The sales charge is calculated by multiplying the
offering price (net asset value at the time of purchase) or the net asset value
of the shares at the time of sale by the shareholder, whichever is less, by the
percentage shown on the following table. Investors who own shares for more than
six years do not have to pay a sales charge when selling those shares.
 
<TABLE>
<CAPTION>
                                     PERCENTAGE BY WHICH
                                       THE SHARES' NET
                                            ASSET
          IF THE INVESTOR                 VALUE IS
       SELLS SHARES WITHIN:              MULTIPLIED:
- -----------------------------------  -------------------
<S>                                  <C>
1st year since purchase                       5%
2nd year since purchase                       4
3rd year since purchase                       3
4th year since purchase                       2
5th year since purchase                       2
6th year since purchase                       1
7th year since purchase                     None
</TABLE>
 
CONVERSION OF CLASS B SHARES
 
Class B shares automatically convert to the appropriate number of Class A shares
of equal dollar value after the investor has owned them for six years. Dividends
and other distributions paid to the investor by the Fund in the form of
additional Class B shares will also convert to Class A shares on a pro-rata
basis. This benefits shareholders because Class A shares have lower ongoing
expenses than Class B shares. If the investor has exchanged Class B shares
between PaineWebber funds, the Fund uses the purchase date at which the initial
investment was made to determine the conversion date.
 
MINIMIZING THE CONTINGENT DEFERRED
SALES CHARGE

 
When investors sell Class B shares they have owned for less than six years, the
Fund automatically will minimize the sales charge by assuming the investors are
selling:
 
o First, Class B shares owned through reinvested dividends and capital gain
  distributions; and
 
o Second, Class B shares held in the portfolio the longest.
 
                              --------------------
                               Prospectus Page 26

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund
 
WAIVERS OF THE CONTINGENT DEFERRED SALES CHARGE
 
The contingent deferred sales charge will not apply to:
 
o sales of shares under the Fund's 'Systematic Withdrawal Plan' (investors may
  not withdraw annually more than 12% of the value of the Fund account under the
  Plan);
 
o a distribution from an IRA, a self-employed individual retirement plan ('Keogh
  Plan') or a custodial account under Section 403(b) of the Internal Revenue
  Code (after the investor reaches age 59 1/2);
 
o a tax-free return of an excess IRA contribution;
 
o a tax-qualified retirement plan distribution following retirement; or
 
o Class B shares sold within one year of an investor's death if the investor
  owned the shares at the time of death either as the sole shareholder or with
  his or her spouse as a joint tenant with the right of survivorship.
 
An investor must provide satisfactory information to PaineWebber or the Fund if
the investor seeks any of these waivers.
 
CLASS C SHARES
 
HOW PRICE IS CALCULATED: The price of Class C shares is the net asset value next
calculated after PaineWebber's New York City headquarters or the Transfer Agent
receives the purchase order. Investors do not pay an initial sales charge when
they buy Class C shares, but the ongoing expenses of Class C shares are higher
than those of Class A shares. Class C shares never convert to any other class of
shares.
 
A contingent deferred sales charge of 1% (0.75% in the case of Global Income
Fund) of the offering price (net asset value at the time of purchase) or the net

asset value of the shares at the time of sale by the shareholder, whichever is
less, is charged on sales of shares made within one year of the purchase date.
Other PaineWebber mutual funds may impose a different contingent deferred sales
charge on Class C shares sold within one year of the purchase date. A sale of
Class C shares acquired through an exchange and held less than one year will be
subject to the same contingent deferred sales charge that would have been
imposed on the Class C shares of the PaineWebber mutual fund originally
purchased. Class C shares representing reinvestment of any dividends or capital
gain distributions will not be subject to the 1% charge. Withdrawals under the
Systematic Withdrawal Plan also will not be subject to this charge. However,
investors may not withdraw more than 12% of the value of the Fund account under
the Plan in the first year after purchase.
 
- --------------------------------------------------------------------------------
                               HOW TO BUY SHARES
- --------------------------------------------------------------------------------
 
Prices are calculated for the Fund's Class A, Class B and Class C shares once
each Business Day, at the close of regular trading on the New York Stock
Exchange (currently 4:00 p.m., Eastern time). A 'Business Day' is any day,
Monday through Friday, on which the New York Stock Exchange is open for
business. Shares are purchased at the next share price calculated after the 
purchase order is received.
 
The Funds and Mitchell Hutchins reserve the right to reject any purchase order
and to suspend the offering of Fund shares for a period of time.
 
When placing an order to buy shares, investors should specify which class of
shares they want to buy. If investors fail to specify the class, they will
automatically receive Class A shares, which include an initial sales charge.
 
PAINEWEBBER CLIENTS
 
Investors who are PaineWebber clients may buy shares through PaineWebber
investment executives or its correspondent firms. Investors may buy shares in
person, by mail, by telephone or by wire (the minimum wire purchase is $1
million). PaineWebber investment executives and correspondent firms are
responsible for promptly sending investors' purchase orders to PaineWebber's New
York City headquarters.
 
Investors may pay for their purchases with checks drawn on U.S. banks or with
funds they have in their brokerage accounts at PaineWebber or its correspondent
firms. Payment is due on the third Business Day after PaineWebber's New York
City headquarters office receives the purchase order.
 
                              --------------------
                               Prospectus Page 27

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund

 
OTHER INVESTORS
 
Investors who are not PaineWebber clients may purchase Fund shares and set up an
account through the Transfer Agent by completing an account application which
may be obtained by calling 1-800-647-1568. The application and check must be
mailed to PFPC Inc., Attn: PaineWebber Mutual Funds, P.O. Box 8950,
Wilmington, DE 19899.
 
Investors who already have money invested in a PaineWebber mutual fund, and want
to invest in another PaineWebber mutual fund, can:
 
o mail an application with a check; or
 
o open an account by exchanging from another PaineWebber mutual fund.
 
Investors do not have to send an application when making additional investments
in the Fund.
 
MINIMUM INVESTMENTS
 
<TABLE>
<S>                                   <C>
To open an account.................   $1,000
To add to an account...............   $  100
</TABLE>
 
A Fund may waive or reduce these minimums for:
 
o employees of PaineWebber or its affiliates; or
 
o participants in certain pension plans, retirement accounts, unaffiliated
  investment programs or the Fund's automatic investment plan.
 
HOW TO EXCHANGE SHARES
 
As shareholders, investors have the privilege of exchanging Fund shares for the
same class of other PaineWebber mutual fund shares. For classes of shares where
no initial sales charge is imposed, a contingent deferred sales charge may apply
if the investor sells the shares acquired through the exchange.
 
Exchanges may be subject to minimum investment requirements of the fund into
which exchanges are made.
 
o Investors who purchased their shares through an investment executive at
  PaineWebber or one of its correspondent firms may exchange their shares by
  contacting their investment executive in person or by telephone, mail or wire.
 
o Investors who do not have an account with an investment executive at
  PaineWebber or one of its correspondent firms may exchange their shares by
  writing a 'letter of instruction' to the Transfer Agent. The letter of
  instruction must include:
 
      o the investor's name and address;

 
      o the Fund's name;
 
      o the Fund account number;
 
      o the dollar amount or number of shares to be sold; and
 
      o a guarantee of each registered owner's signature by an eligible
        institution, such as a commercial bank, trust company or stock exchange
        member.
 
The letter must be mailed to PFPC Inc., Attn: PaineWebber Mutual Funds, P.O. Box
8950, Wilmington, DE 19899.
 
No contingent deferred sales charge is imposed when shares are exchanged for the
corresponding class of shares of other PaineWebber mutual funds. A Fund will use
the purchase date of the initial investment to determine any contingent deferred
sales charge due when the acquired shares are sold. Fund shares may be exchanged
only after the settlement date has passed and payment for the shares has been
made. The exchange privilege is available only in those jurisdictions where the
sale of the fund shares to be acquired is authorized. This exchange privilege
may be modified or terminated at any time and, when required by SEC rules, upon
60 days' notice. See the back cover of this prospectus for a listing of
other PaineWebber mutual funds.
 
- --------------------------------------------------------------------------------
                               HOW TO SELL SHARES
- --------------------------------------------------------------------------------
 
Investors can sell (redeem) shares at any time. Shares will be sold at the share
price for that class as next calculated after the order is received and accepted
(less any applicable contingent deferred sales charge). Share prices are
normally calculated at the close of regular trading on the New York Stock
Exchange (currently 4:00 p.m., Eastern time).
 
Investors who own more than one class of shares should specify which class they
are selling. If they do not, the Fund will assume they are first selling their
Class A shares, then Class C, and last, Class B.
 
If a shareholder wants to sell shares which were purchased recently, the Fund
may delay payment until it verifies that good payment was received. In the case
of purchases by check, this can take up to 15 days.
 
                              --------------------
                               Prospectus Page 28

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund
 
Investors who have an account with PaineWebber or one of PaineWebber's

correspondent firms can sell their shares by contacting their investment
executive. Investors who do not have an account and have bought their shares
through PFPC Inc., the Fund's Transfer Agent, may sell shares by writing a
'letter of instruction,' as detailed in 'How to Exchange Shares.'
 
Because the Funds incur certain fixed costs in maintaining shareholder accounts,
each Fund reserves the right to purchase back all Fund shares in any shareholder
account with a net asset value of less than $500. If the Fund elects to do so,
it will notify the shareholder of the opportunity to increase the amount
invested to $500 or more within 60 days of the notice. The Fund will not
purchase back accounts that fall below $500 solely due to a reduction in net
asset value per share.
 
REINSTATEMENT PRIVILEGE
 
Shareholders who sell their Class A shares may reinstate their Fund account
without a sales charge up to the dollar amount sold by purchasing the Fund's
Class A shares within 365 days after the sale. To take advantage of this
reinstatement privilege, shareholders must notify their investment executive at
PaineWebber or one of its correspondent firms at the time of purchase.
 
- --------------------------------------------------------------------------------
                                 OTHER SERVICES
- --------------------------------------------------------------------------------
 
Investors should consult their investment executives at PaineWebber or one of
its correspondent firms to learn more about the following services:
 
AUTOMATIC INVESTMENT PLAN
 
Investing on a regular basis helps investors meet their financial goals.
PaineWebber offers an Automatic Investment Plan with a minimum initial
investment of $1,000 through which a Fund will deduct $50 or more each month
from the investor's bank account to invest directly in the Fund. In addition to
providing a convenient and disciplined manner of investing, participation in the
Automatic Investment Plan enables the investor to use the technique of 'dollar
cost averaging.'
 
SYSTEMATIC WITHDRAWAL PLAN
 
The Systematic Withdrawal Plan allows investors to set up monthly, quarterly
(March, June, September and December) or semiannual (June and December)
withdrawals from their PaineWebber Mutual Fund accounts. Minimum balances and
withdrawals vary according to the class of shares:
 
o CLASS A AND CLASS C SHARES. Minimum value of Fund shares is $5,000; minimum
  withdrawals of $100.
 
o CLASS B SHARES. Minimum value of Fund shares
  is $20,000; minimum monthly, quarterly and semi-
 
annual withdrawals of $200, $400 and $600, respectively.
 
Withdrawals under the Systematic Withdrawal Plan will not be subject to a

contingent deferred sales charge. An investor may not withdraw 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 the Plan.
 
INDIVIDUAL RETIREMENT ACCOUNTS
 
Self-Directed IRAs are available through PaineWebber in which purchases of
PaineWebber mutual funds and other investments may be made. Investors
considering establishing an IRA should review applicable tax laws and should
consult their tax advisers.
 
TRANSFER OF ACCOUNTS
 
If investors holding shares of a Fund in a PaineWebber brokerage account
transfer their brokerage accounts to another firm, the Fund shares will be moved
to an account with the Transfer Agent. 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.
 
                              --------------------
                               Prospectus Page 29

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund
 

                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
EMERGING MARKETS EQUITY FUND
 
The Fund is governed by a board of trustees, which oversees the Fund's
operations. It has appointed Mitchell Hutchins as investment adviser and
administrator responsible for the Fund's operations (subject to the authority of
the board of trustees). Mitchell Hutchins has appointed the investment
sub-adviser, Schroder Capital, to be responsible for day-to-day management of
the Fund's investments.
 
Schroder Group companies have invested internationally for over 50 years.
Schroder Capital has developed an expertise in emerging markets investments and
has 39 investment professionals located in 12 offices in emerging market
countries around the world. John A. Troiano, with the assistance of an emerging
markets investment committee, has been primarily responsible for the day-to-day
management of Emerging Markets Equity Fund since Schroder Capital was appointed
sub-adviser on February 25, 1997. Mr. Troiano has been a managing director of
Schroder Capital since November 1995, and has been employed by various Schroder

Group companies in the portfolio management area since 1988. He is currently
chairman of Schroder Capital's emerging markets investment committee.
 
GLOBAL EQUITY FUND
 
The Fund is governed by a board of trustees, which oversees the Fund's
operations. It has appointed Mitchell Hutchins as investment adviser and
administrator responsible for the Fund's operations (subject to the authority of
the board of trustees). Mitchell Hutchins has appointed the investment
sub-adviser, GE Investment Management, to be responsible for day-to-day
management of the Fund's investments.
 
Ralph R. Layman is the head of the International Equity Team at GE Investment
Management and serves as portfolio manager of the Fund, primarily responsible
for the day-to-day management of the Fund's portfolio. Mr. Layman has served in
this capacity since the Fund's inception in 1991. He is a Chartered Financial
Analyst and an executive vice president and senior investment manager of GE
Investment Management.
 
From 1989 to 1991, Mr. Layman served as executive vice president, partner and
portfolio manager of Northern Capital Management Co. Prior to 1989 when he
joined Northern, he was vice president and portfolio manager of Templeton
Investment Counsel, Inc., and vice president of the Templeton Emerging Markets
Fund.
 
Directly assisting Mr. Layman are Michael J. Solecki, vice president of
international equities at GE Investments, and the rest of the International
Equity Team. Mr. Solecki is a Chartered Financial Analyst and has been with GE
Investment Management for six years. From 1992 to 1995, Mr. Solecki was a senior
European analyst at GE Investment Management's London, England office. Prior to
1992, he was an international analyst with GE Investment Management. The
International Equity Team is comprised of eleven analysts, seven of whom manage
portfolios.
 
GLOBAL INCOME FUND
 
The Fund is governed by a board of trustees, which oversees the Fund's
operations. It has appointed Mitchell Hutchins as investment adviser and
administrator responsible for the Fund's operations (subject to the authority of
the board of trustees).
 
   
Stuart Waugh and William King are primarily responsible for the day-to-day
portfolio management of the Fund. Mr. Waugh has been involved with the Fund
since its inception, first as an analyst and then as portfolio manager since
1993. Mr. Waugh is a vice president of PaineWebber Investment Series and a
managing director of global fixed income investments of Mitchell Hutchins. Mr.
Waugh has been with Mitchell Hutchins since 1983. Mr. King joined Mitchell
Hutchins in November 1995. Previously, he was at IBM Corporation where he was
responsible for the management of IBM Pension Fund's global bond portfolio. Both
Mr. Waugh and Mr. King are Chartered Financial Analysts.
    
 
Other members of Mitchell Hutchins' international fixed income group provide

input on market outlook, interest rate forecasts and other considerations
pertaining to global fixed income investments.
 
                                    * * * *
 
Each board has determined that brokerage transactions for the Fund may be
conducted through PaineWebber or its affiliates in accordance with procedures
adopted by the board.
 
                              --------------------
                               Prospectus Page 30

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund
 
Personnel of Mitchell Hutchins and each sub-adviser may engage in securities
transactions for their own accounts pursuant to each firm's code of ethics that
establishes procedures for personal investing and restricts certain
transactions.
 
ABOUT THE INVESTMENT ADVISER
 
Mitchell Hutchins, located at 1285 Avenue of the Americas, New York, New York
10019, is the asset management subsidiary of PaineWebber Incorporated, which is
wholly owned by Paine Webber Group Inc., a publicly owned financial services
holding company. On January 31, 1997, Mitchell Hutchins was adviser or
sub-adviser of 30 investment companies with 65 separate portfolios and aggregate
assets of approximately $32.9 billion.
 
ABOUT THE SUB-ADVISERS
 
   
Schroder Capital, the investment sub-adviser to Emerging Markets Equity Fund, is
located at 787 Seventh Avenue, New York, New York 10019. It is a wholly owned
indirect subsidiary of Schroders plc. Schroders plc, which is listed on the
London Stock Exchange, is the holding company parent of an international group
of banks and financial services companies (referred to as the 'Schroder Group'),
with associated companies and investment and representative offices located in
18 countries worldwide. As of December 31, 1996, the investment management
subsidiaries of the Schroder Group had approximately $130 billion in assets
under management, and Schroder Capital, together with its United Kingdom
affiliate Schroder Capital Management International Limited, had over $24
billion, including $2.8 billion in emerging market investments under management
as of that date.
    
 
   
GE Investment Management, the investment sub-adviser to Global Equity Fund, is
located at 3003 Summer Street, Stamford, Connecticut 06905 and is a subsidiary
of General Electric Company. Together with its affiliate, General Electric

Investment Corporation (GE Investment Management and General Electric Investment
Corporation are collectively referred to as 'GE Investments'), GE Investment
Management is one of the largest independent investment managers in the United
States. GE Investments and its predecessors have been managing mutual fund
assets since 1935 and, as of December 31, 1996, had in excess of $56 billion in
total assets under management.
    

MANAGEMENT FEES & OTHER EXPENSES
 
Each Fund pays Mitchell Hutchins a monthly fee for its services. Emerging
Markets Equity Fund is obligated to pay investment advisory and administrative
fees to Mitchell Hutchins at an annual rate of 1.20% of the Fund's average daily
net assets. However, after giving effect to anticipated fee waivers, the
effective annual rate at which such fees will actually be paid by the Fund from
February 25, 1997 through the end of the current fiscal year is expected to be
0.70%. Under the advisory contract that was in effect between the Fund and
Mitchell Hutchins prior to that date, the annual rate at which the Fund was
obligated to pay Mitchell Hutchins for its services was 1.62% of the Fund's
average daily net assets. After giving effect to fee waivers, for the fiscal
year ended June 30, 1996, as well as for the subsequent four month fiscal period
ended October 31, 1996, the Fund actually paid such fees to Mitchell Hutchins at
an annual rate of 1.12%.
 
For the fiscal year ended August 31, 1996, as well as for the subsequent
two-month fiscal period ended October 31, 1996, Global Equity Fund paid advisory
fees to Mitchell Hutchins at the annual rate of 0.85% of its average daily net
assets.
 
For the fiscal year ended October 31, 1996, Global Income Fund paid advisory
fees to Mitchell Hutchins at the effective annual rate of 0.74% of its average
daily net assets.
 
With respect to Emerging Markets Equity Fund, Mitchell Hutchins (not the Fund)
pays Schroder Capital a fee for investment sub-advisory services at the annual
rate of 0.70% of the Fund's average daily net assets. During the fiscal year
ended June 30, 1996, as well as for the subsequent four month fiscal period
ended October 31, 1996, Mitchell Hutchins paid the Fund's previous sub-adviser,
Emerging Markets Management, sub-advisory fees at an annual rate of 1.12% of the
Fund's average daily net assets. With respect to Global Equity Fund, Mitchell
Hutchins (not the Fund) pays GE Investment Management a fee for investment
sub-advisory services at the annual rate of 0.31% of the Fund's average daily
net assets.
 
Global Income Fund pays PaineWebber an annual fee of $4.00 per active
shareholder account held at PaineWebber for services not provided by the
Transfer Agent.
 
DISTRIBUTION ARRANGEMENTS
 
Mitchell Hutchins is the distributor of each Fund's shares and has appointed
PaineWebber as the exclusive dealer for the sale of those shares. Under
distribution plans for Class A, Class B and Class C shares
 

                              --------------------
                               Prospectus Page 31

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund

('Class A Plan,' 'Class B Plan' and 'Class C Plan,' collectively, 'Plans'), each
Fund pays Mitchell Hutchins:
 
o Monthly service fees at the annual rate of 0.25% of the average daily net
  assets of each class of shares.
 
o Monthly distribution fees at the annual rate of 0.75% of the average daily net
  assets of Class B and Class C shares (0.50% for Class C shares of Global
  Income Fund).
 
Under the Plans, Mitchell Hutchins primarily uses the service fees 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 investment executives 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 investment executives 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 each class of shares
('Distribution Contracts') specify that each Fund must pay service and
distribution fees to Mitchell Hutchins for its activities, not as reimbursement
for specific expenses incurred. Therefore, even if Mitchell Hutchins' expenses
exceed the service or distribution fees it receives, the 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 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.
 
- --------------------------------------------------------------------------------
                            DETERMINING THE SHARES'
                                NET ASSET VALUE
- --------------------------------------------------------------------------------
 
The net asset value of each Fund's shares fluctuates and is determined
separately for each class as of the close of regular trading on the New York
Stock Exchange (currently 4:00 p.m., Eastern time) each Business Day. Each
Fund's net asset value per share is determined by dividing the value of the
securities held by the Fund, plus any cash or other assets, minus all
liabilities, by the total number of Fund shares outstanding.
 
Each Fund values its assets based on their current market value when market
quotations are readily available. If market quotations are not readily
available, assets are valued at fair value as determined in good faith by or
under the direction of each Fund's board. The amortized cost method of valuation
generally is used to value debt obligations with 60 days or less remaining to
maturity, unless the board determines that this does not represent fair value.
Investments denominated in foreign currencies are valued daily in U.S. dollars
based on the then-prevailing exchange rates. It should be recognized that
judgment plays a greater role in valuing lower-rated debt securities in which a
Fund may invest, because there is less reliable, objective data available.
 
                              --------------------
                               Prospectus Page 32

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund
 
- --------------------------------------------------------------------------------
                               DIVIDENDS & TAXES
- --------------------------------------------------------------------------------
 
DIVIDENDS
 
Emerging Markets Equity Fund and Global Equity Fund each pays an annual dividend
from its net investment income and net realized short-term capital gains, if
any. Each of these Funds distributes any net realized gain from foreign currency
transactions with its dividend. Global Income Fund declares monthly dividends
from its net investment income, which may be accompanied by distributions of net
realized short-term capital gains and foreign currency gains. Although Global
Income Fund will not, in any month, distribute more than the amount of such

income and gains then available for distribution, capital losses and/or foreign
currency losses realized later in the same fiscal year may convert a portion of
such a distribution to a nontaxable return of capital. Each Fund also
distributes annually substantially all of its net capital gain (the excess of
net long-term capital gain over net short-term capital loss), if any, which
distribution in the case of Global Income Fund, is accompanied by any
undistributed net realized short-term capital gains and foreign currency gains.
The Funds may make additional distributions, if necessary, to avoid a 4% excise
tax on certain undistributed income and capital gains.
 
Dividends and other distributions paid on each class of shares of each Fund are
calculated at the same time and in the same manner. Dividends on Class B and
Class C shares of a Fund are expected to be lower than those on its Class A
shares because Class B and Class C shares have higher expenses resulting from
their distribution fees. Dividends on each class might be affected differently
by the allocation of other class-specific expenses. See 'General Information.'
 
The Funds' dividends and other distributions are paid in additional Fund shares
of the same class at net asset value, unless the shareholder has requested cash
payments. Shareholders who wish to receive dividends and other distributions in
cash, either mailed to them by check or credited to their PaineWebber accounts,
should contact their investment executives at PaineWebber or one of its
correspondent firms or complete the appropriate section of the account
application.

TAXES
 
Each Fund intends to continue to qualify for treatment as a regulated investment
company under the Internal Revenue Code so that it will not have to pay federal
income tax on the part of its investment company taxable income (generally
consisting of net investment income, net short-term capital gains and net gains
from certain foreign currency transactions) and net capital gain that it
distributes to its shareholders.
 
Dividends from each Fund's investment company taxable income (whether paid in
cash or additional shares) are generally taxable to its shareholders as ordinary
income. Distributions of each Fund's net capital gain (whether paid in cash or
additional shares) are taxable to its shareholders as long-term capital gain,
regardless of how long they have held their Fund shares. Shareholders who are
not subject to tax on their income generally will not be required to pay tax on
distributions.
 
YEAR-END TAX REPORTING
 
Following the end of each calendar year, each Fund notifies its shareholders of
the amounts of dividends and capital gain distributions paid (or deemed paid)
for that year, their share of any foreign taxes paid by the Fund that year and
any portion of those dividends that qualifies for special treatment.
 
WITHHOLDING REQUIREMENTS
 
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 with a correct taxpayer

identification number. Withholding at that rate also is required from dividends
and capital gain distributions payable to such shareholders who otherwise are
subject to backup withholding.
 
TAXES ON THE SALE OR EXCHANGE OF FUND SHARES
 
A shareholder's sale (redemption) of shares may result in a taxable gain or
loss. This depends upon whether the shareholders receive more or less than their
adjusted basis for the shares (which normally takes into account any initial
sales charge paid on Class A shares). An exchange of any Fund's shares for
shares
 
                              --------------------
                               Prospectus Page 33

<PAGE>

                         ------------------------------
 
PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund

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.
 
SPECIAL TAX RULES FOR CLASS A SHAREHOLDERS
 
Special tax rules apply when a shareholder sells or exchanges Class A shares
within 90 days of purchase and subsequently acquires Class A shares of a
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 will increase the basis of the PaineWebber
mutual fund shares subsequently acquired.
 
No gain or loss will be recognized by a shareholder as a result of a conversion
from Class B shares into Class A shares.
 
                                    * * * *
 
Because the foregoing only summarizes some of the important tax considerations
affecting the Funds and their shareholders, please see the further discussion in
the Statement of Additional Information. Prospective shareholders are urged to
consult their tax advisers.
 
- --------------------------------------------------------------------------------
                              GENERAL INFORMATION
- --------------------------------------------------------------------------------
 
ORGANIZATION

 
EMERGING MARKETS EQUITY FUND
 
Emerging Markets Equity Fund is a diversified series of PaineWebber Investment
Trust II, an open-end management investment company that was formed on August
10, 1992 as a business trust under the laws of the Commonwealth of
Massachusetts. The trustees have authority to issue an unlimited number of
shares of beneficial interest of separate series, par value of $0.001 per share.
 
GLOBAL EQUITY FUND

Global Equity Fund is a diversified series of PaineWebber Investment Trust
('Investment Trust'), an open-end management investment company that was formed
on March 28, 1991 as a business trust under the laws of the Commonwealth of
Massachusetts. The trustees have authority to issue an unlimited number of
shares of beneficial interest of separate series, par value of $0.001 per share.
Shares of one other series have been authorized.
 
GLOBAL INCOME FUND
 
Global Income Fund is a non-diversified series of PaineWebber Investment Series,
an open-end management investment company that was formed on December 22, 1986
as a business trust under the laws of the Commonwealth of Massachusetts. The
trustees have authority to issue an unlimited number of shares of beneficial
interest of separate series, with a par value of $0.001 per share.
 
SHARES
 
The shares of each Fund are divided into four classes, designated Class A, Class
B, Class C and Class Y shares. Each class represents an identical interest in
the respective 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. 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 each 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 on Class B and Class C shares
are likely to be lower than for Class A shares, and dividends on Class A, Class
B and Class C shares are likely to be lower than for Class Y shares, which bear
the lowest expenses. Also, in the case of Global Income Fund, Class B shares
bear higher expenses, and therefore are likely to have lower dividends, than
Class C Shares.
 
                              --------------------
                               Prospectus Page 34

<PAGE>

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

PaineWebber    Emerging Markets Equity Fund   Global Equity Fund   Global Income
                                      Fund
 
Class Y shares, which are offered only to limited groups of investors, are
subject to neither an initial or contingent deferred sales charge nor ongoing
service or distribution fees. More information concerning Class Y shares may be
obtained from an investment executive at PaineWebber or one of its correspondent
firms or by calling toll-free 1-800-647-1568.
 
Although each Fund is offering only its own shares, it is possible that a Fund
might become liable for a misstatement in this Prospectus about another Fund.
The board of each Fund has considered this factor in approving the use of a
single, combined Prospectus.
 
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 any Fund (or
Investment Trust, which has more than one series) may elect all of the board
members of that Fund or of Investment 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 Plan as it
relates to the class. The shares of each series of Investment Trust will be
voted separately, except when an aggregate vote of all the securities is
required by law.
 
SHAREHOLDER MEETINGS
 
The Funds do not intend to hold annual meetings.
 
Shareholders of record of no less than two-thirds of the outstanding shares of
Investment Trust or a Fund, as applicable, 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
Investment Trust or a Fund.
 
REPORTS TO SHAREHOLDERS
 
Each Fund sends its shareholders audited annual and unaudited semiannual
reports, each of which includes a list of the investment securities held by the
Fund as of the end of the period covered by the report. The Statement of
Additional Information, which is incorporated herein by reference, is available
to shareholders upon request.
 
CUSTODIAN & RECORDKEEPING AGENT; TRANSFER & DIVIDEND AGENT
 
State Street Bank and Trust Company, located at One Heritage Drive, North
Quincy, Massachusetts 02171, serves as custodian and recordkeeping agent for
Emerging Markets Equity Fund and Global Equity Fund and employs foreign
sub-custodians to provide custody of the Funds' foreign assets. Brown Brothers
Harriman & Co., 40 Water Street, Boston, Massachusetts 02109, serves as
custodian for Global Income Fund and employs foreign sub-custodians to provide

custody of the Fund's 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.
 
                              --------------------
                               Prospectus Page 35

<PAGE>

                         ------------------------------
 
                    PAINEWEBBER EMERGING MARKETS EQUITY FUND
                         PAINEWEBBER GLOBAL EQUITY FUND
                         PAINEWEBBER GLOBAL INCOME FUND
 
                          PROSPECTUS -- MARCH 1, 1997
 
<TABLE>
<S>                                               <C>
/ / PAINEWEBBER BOND FUNDS                        / / PAINEWEBBER STOCK FUNDS
    High Income Fund                                  Capital Appreciation Fund
    Investment Grade Income Fund                      Financial Services Growth Fund
    Low Duration U.S. Government                      Growth Fund
     Income Fund                                      Growth and Income Fund
    Strategic Income Fund                             Small Cap Fund
    U.S. Government Income Fund                       Utility Income Fund

/ / PAINEWEBBER TAX-FREE BOND FUNDS               / / PAINEWEBBER GLOBAL FUNDS
    California Tax-Free Income Fund                   Asia Pacific Growth Fund
    Municipal High Income Fund                        Emerging Markets Equity Fund
    National Tax-Free Income Fund                     Global Equity Fund
    New York Tax-Free Income Fund                     Global Income Fund

/ / PAINEWEBBER ASSET                             / / PAINEWEBBER MONEY MARKET FUND
    ALLOCATION FUNDS
    Balanced Fund
    Tactical Allocation Fund
</TABLE>
 
A prospectus containing more complete information for any of these funds,
including charges and expenses, can be obtained from a PaineWebber investment
executive or correspondent firm. Please read it carefully before investing. It
is important you have all the information you need to make a sound investment
decision.
 
(Copyright) 1997 PaineWebber Incorporated
 
                              --------------------



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