EXCELSIOR INSTITUTIONAL TRUST
497, 1995-05-04
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                      EXCELSIOR INSTITUTIONAL EQUITY FUND
                      EXCELSIOR INSTITUTIONAL INCOME FUND
                 EXCELSIOR INSTITUTIONAL TOTAL RETURN BOND FUND
                   EXCELSIOR INSTITUTIONAL EQUITY INDEX FUND
                    EXCELSIOR INSTITUTIONAL BOND INDEX FUND
               EXCELSIOR INSTITUTIONAL SMALL CAPITALIZATION FUND
                     EXCELSIOR INSTITUTIONAL BALANCED FUND
                   EXCELSIOR INSTITUTIONAL EQUITY GROWTH FUND
                EXCELSIOR INSTITUTIONAL VALUE EQUITY INCOME FUND
               EXCELSIOR INSTITUTIONAL INTERNATIONAL EQUITY FUND
- --------------------------------------------------------------------------------
 
                         EXCELSIOR INSTITUTIONAL TRUST
                               6 ST. JAMES AVENUE
                          BOSTON, MASSACHUSETTS 02116
                                 (617) 423-0800
 
   For initial purchase and existing account information, call (800) 909-1989
                      (from overseas, call (617) 557-1755)
         For current prices and yield information, call (800) 861-3430
- --------------------------------------------------------------------------------
 
    This   Prospectus  describes  ten  mutual  funds  offered  to  institutional
investors  by  Excelsior   Institutional  Trust  (the   "Trust"),  an   open-end
diversified   management  investment   company.  The   mutual  funds,  Excelsior
Institutional  Equity  Fund,  Excelsior  Institutional  Income  Fund,  Excelsior
Institutional Total Return Bond Fund, Excelsior Institutional Equity Index Fund,
Excelsior   Institutional  Bond   Index  Fund,   Excelsior  Institutional  Small
Capitalization  Fund,   Excelsior   Institutional   Balanced   Fund,   Excelsior
Institutional  Equity Growth  Fund, Excelsior Institutional  Value Equity Income
Fund and  Excelsior Institutional  International Equity  Fund (each,  a  "Fund";
collectively, the "Funds"), are separate series of the Trust.
 
    This  Prospectus sets forth concisely the information about the Funds that a
prospective investor  should consider  before investing.  Investors should  read
this  Prospectus carefully  and retain it  for future reference.  A Statement of
Additional Information  containing additional  information about  the Funds  has
been  filed with  the Securities and  Exchange Commission and  is available upon
request without charge by writing to the Trust at its address shown above or  by
calling  (617) 423-0800. The Statement of  Additional Information bears the same
date as this Prospectus  and is incorporated by  reference in its entirety  into
this Prospectus.
 
    SHARES  OF THE FUNDS  ARE NOT DEPOSITS  OR OBLIGATIONS OF,  OR GUARANTEED OR
ENDORSED BY, ANY BANK, AND THE SHARES  ARE NOT FEDERALLY INSURED BY THE  FEDERAL
DEPOSIT  INSURANCE CORPORATION, BANK  INSURANCE FUND, FEDERAL  RESERVE BOARD, OR
ANY OTHER GOVERNMENTAL AGENCY.  AN INVESTMENT IN  A FUND IS  SUBJECT TO RISK  OF
PRINCIPAL.
 
    THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE  COMMISSION OR ANY STATE SECURITIES  COMMISSION, NOR HAS THE SECURITIES
AND EXCHANGE  COMMISSION OR  ANY  STATE SECURITIES  COMMISSION PASSED  UPON  THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.
 
CONTINUED
                       PROSPECTUS DATED NOVEMBER 28, 1994
<PAGE>
    Each Fund has its own investment objective, as follows:
 
    The investment objective of EXCELSIOR INSTITUTIONAL EQUITY FUND (the "Equity
Fund") is to provide long-term capital appreciation.
 
    The investment objective of EXCELSIOR INSTITUTIONAL INCOME FUND (the "Income
Fund") is to provide as high a level of current interest income as is consistent
with moderate risk of capital and maintenance of liquidity.
 
    The  investment objective of EXCELSIOR  INSTITUTIONAL TOTAL RETURN BOND FUND
(the "Total  Return  Bond  Fund")  is  to maximize  the  total  rate  of  return
consistent with moderate risk of capital and maintenance of liquidity.
 
    The  investment objective of EXCELSIOR  INSTITUTIONAL EQUITY INDEX FUND (the
"Equity Index Fund")  is to provide  investment results that  correspond to  the
investment  performance of the Standard & Poor's 500 Composite Stock Price Index
(the  "S&P  500  Index"),  an  index  emphasizing  large  capitalization  equity
securities.
 
    The  investment objective  of EXCELSIOR  INSTITUTIONAL BOND  INDEX FUND (the
"Bond Index  Fund") is  to provide  investment results  that correspond  to  the
investment  performance  of  the  Lehman  Brothers  Aggregate  Bond  Index  (the
"Aggregate Bond Index"),  a broad market-weighted  index which encompasses  U.S.
Treasury   and  agency   securities,  corporate  investment   grade  bonds,  and
mortgage-backed securities.
 
    The investment  objective of  EXCELSIOR INSTITUTIONAL  SMALL  CAPITALIZATION
FUND (the "Small Cap Fund") is to provide a high total return from a diversified
portfolio of equity securities of small capitalization companies.
 
    The  investment  objective  of EXCELSIOR  INSTITUTIONAL  BALANCED  FUND (the
"Balanced Fund") is to provide a high total return from a diversified  portfolio
of equity and fixed income securities.
 
    The  investment objective of EXCELSIOR INSTITUTIONAL EQUITY GROWTH FUND (the
"Equity Growth Fund") is to provide a high level of capital appreciation through
investment in  a  diversified portfolio  of  common stocks  with  potential  for
above-average growth in earnings and dividends.
 
    The investment objective of EXCELSIOR INSTITUTIONAL VALUE EQUITY INCOME FUND
(the  "Value Equity Income Fund") is to  provide capital appreciation and a high
level of current income by investing  principally in a diversified portfolio  of
securities  selected for their potential to generate current income or long-term
growth of capital.
 
    The investment  objective of  EXCELSIOR INSTITUTIONAL  INTERNATIONAL  EQUITY
FUND   (the  "International  Equity  Fund")  is  to  provide  long-term  capital
appreciation through investment in a diversified portfolio of marketable foreign
securities.
 
    UNLIKE OTHER  MUTUAL  FUNDS WHICH  DIRECTLY  ACQUIRE AND  MANAGE  THEIR  OWN
PORTFOLIOS  OF SECURITIES,  THE TRUST  SEEKS TO  ACHIEVE EACH  FUND'S INVESTMENT
OBJECTIVE BY INVESTING ALL OF THAT  FUND'S INVESTABLE ASSETS IN A  CORRESPONDING
PORTFOLIO  OR  SERIES  OF  ST. JAMES  PORTFOLIOS  (THE  "PORTFOLIO  SERIES"), AN
OPEN-END MANAGEMENT INVESTMENT COMPANY (EACH  SUCH SERIES IS REFERRED TO  HEREIN
AS  A "PORTFOLIO"; COLLECTIVELY, THE "PORTFOLIOS").  EACH PORTFOLIO HAS THE SAME
INVESTMENT OBJECTIVE AND POLICIES AS ITS CORRESPONDING FUND. THE FUNDS INVEST IN
THE PORTFOLIOS  THROUGH SIGNATURE  FINANCIAL  GROUP, INC.'S  TWO-TIER  STRUCTURE
KNOWN  AS THE HUB AND SPOKE-REGISTERED TRADEMARK- FINANCIAL SERVICES METHOD. HUB
AND
 
CONTINUED
<PAGE>
SPOKE-REGISTERED TRADEMARK- EMPLOYS A TWO-TIER MASTER/FEEDER FUND STRUCTURE  AND
IS  A REGISTERED  SERVICE MARK OF  SIGNATURE FINANCIAL GROUP,  INC. SEE "SPECIAL
INFORMATION CONCERNING HUB  AND SPOKE-REGISTERED TRADEMARK-  STRUCTURE" ON  PAGE
20.
 
    United  States Trust Company of The Pacific Northwest ("U.S. Trust Pacific")
is the investment adviser for the  Portfolios corresponding to the Funds  listed
below.  U.S. Trust  Pacific has delegated  the daily management  of the security
holdings of the Portfolios  for the following Funds  to the investment  managers
named below, acting as subadvisers.
 
<TABLE>
<S>                                 <C>
Equity Index Fund, Bond Index Fund  United States Trust Company of New York ("U.S.
  and Small Cap Fund..............  Trust")
Balanced Fund.....................  Becker Capital Management, Inc.
Equity Growth Fund................  Luther King Capital Management
Value Equity Income Fund..........  Spare, Kaplan & Bischel Associates
International Equity Fund.........  Harding, Loevner Management, L.P.
</TABLE>
 
    U.S. Trust is the investment adviser for the Portfolios corresponding to the
Equity  Fund, Income Fund and  Total Return Bond Fund.  U.S. Trust Pacific, U.S.
Trust and  the  subadvisers are  referred  to collectively  as  the  "investment
managers".
 
    For  more  information on  the investment  advisers  and subadvisers  of the
Portfolios, please refer below to the section entitled "Management of the  Trust
and Portfolio Series -- Investment Managers". Signature Financial Services, Inc.
("SFSI")  is  the servicing  and  fund accounting  agent  of the  Funds  and the
Portfolios.
<PAGE>
                         EXCELSIOR INSTITUTIONAL TRUST
                              SUMMARY OF EXPENSES
 
    The following table provides (i) a summary of estimated expenses relating to
purchases  and sales of shares of the  Funds, and the aggregate annual operating
expenses for the Funds  and their corresponding Portfolios,  as a percentage  of
average  net assets of  the Funds, and  (ii) an example  illustrating the dollar
cost of such estimated expenses on a $1,000 investment in each Fund.
 
    The table  illustrates that  investors  in the  Funds incur  no  shareholder
transaction expenses imposed by the Trust, although in connection with purchases
and   redemptions  of  shares   of  the  Funds,   some  institutional  investors
("Shareholder Organizations")  may  charge  their  customers  account  fees  for
investment  and other cash  management services. See  "How to Purchase, Exchange
and  Redeem   Shares"  below.   Customers  should   contact  their   Shareholder
Organization directly for further information. Investments in a Fund are subject
to  the operating expenses set  forth below for each  Fund and its corresponding
Portfolio, as a  percentage of the  average daily  net assets of  the Fund.  The
Trustees of the Trust believe that the aggregate per share expenses of each Fund
and  its corresponding Portfolio will be less than or approximately equal to the
expenses which that Fund would  incur if the Trust  retained the services of  an
investment  adviser and the  assets of that  Fund were invested  directly in the
type of securities being  held by its corresponding  Portfolio. Expenses of  the
Funds  and Portfolios  are discussed  below under  "Management of  the Trust and
Portfolio Series".
 
<TABLE>
<S>                                                                                    <C>
SHAREHOLDER TRANSACTION EXPENSES
Sales Load Imposed on Purchases......................................................       None
Sales Load Imposed on Reinvested Dividends...........................................       None
Deferred Sales Load..................................................................       None
Redemption Fees......................................................................       None
Exchange Fees........................................................................       None
</TABLE>
 
EXPENSE TABLE
ANNUAL OPERATING EXPENSES
 
<TABLE>
<CAPTION>
                                                                                    TOTAL
                                                                                   RETURN     EQUITY      BOND
                                                             EQUITY     INCOME      BOND       INDEX      INDEX
                                                              FUND       FUND       FUND       FUND       FUND
                                                            ---------  ---------  ---------  ---------  ---------
<S>                                                         <C>        <C>        <C>        <C>        <C>
Advisory Fees (after reimbursement).......................     0%         0%         0%         0%         0%
12b-1 Fees................................................    None       None       None       None       None
Other Expenses
  Administrative Fees (after waiver)......................      0.07%      0.07%      0.07%      0.07%      0.07%
  Shareholder Servicing Fees (after waiver)...............         0%         0%         0%         0%         0%
  Other Operating Expenses (after reimbursement)..........      0.05%      0.05%      0.05%      0.05%      0.05%
                                                            ---------  ---------  ---------  ---------  ---------
Total Fund Operating Expenses
 (after waivers and reimbursements).......................      0.12%      0.12%      0.12%      0.12%      0.12%
                                                            ---------  ---------  ---------  ---------  ---------
                                                            ---------  ---------  ---------  ---------  ---------
</TABLE>
 
                                       1
<PAGE>
 
<TABLE>
<CAPTION>
                                                                                            VALUE
                                                          SMALL                 EQUITY     EQUITY    INTERNATIONAL
                                                           CAP      BALANCED    GROWTH     INCOME       EQUITY
                                                          FUND        FUND       FUND       FUND         FUND
                                                        ---------  ----------  ---------  ---------  -------------
<S>                                                     <C>        <C>         <C>        <C>        <C>
Advisory Fees (after reimbursement)...................     0%          0%         0%         0%           0%
12b-1 Fees............................................    None        None       None       None         None
Other Expenses
  Administrative Fees (after waiver)..................      0.07%       0.07%      0.07%      0.07%        0.07%
  Shareholder Servicing Fees (after waiver)...........     0%          0%         0%         0%           0%
  Other Operating Expenses (after reimbursement)......      0.05%       0.05%      0.05%      0.05%        0.18%
                                                         ------      ------     ------     ------       ------
Total Fund Operating Expenses
 (after waivers and reimbursements)...................      0.12%       0.12%      0.12%      0.12%        0.25%
                                                         ------      ------     ------     ------       ------
                                                         ------      ------     ------     ------       ------
</TABLE>
 
EXAMPLE
 
    Investors would pay the following expenses on a $1,000 investment,  assuming
(1)  5% annual  return and (2)  redemption of the  investment at the  end of the
following periods:
 
<TABLE>
<CAPTION>
                                                                                              1 Year     3 Years
                                                                                             ---------  ---------
<S>                                                                                          <C>        <C>
Equity Fund, Income Fund, Total Return Bond Fund, Equity Index Fund, Bond Index Fund, Small
 Cap Fund, Balanced Fund, Equity Growth Fund and Value Equity Income Fund..................     $1         $4
International Equity Fund..................................................................     $3         $8
</TABLE>
 
    THE EXAMPLE  ABOVE SHOULD  NOT BE  CONSIDERED A  REPRESENTATION OF  PAST  OR
FUTURE  EXPENSES OR PERFORMANCE.  ACTUAL EXPENSES AND RETURNS  MAY BE GREATER OR
LESS THAN  THOSE SHOWN.  The purpose  of the  table is  to assist  investors  in
understanding  the various costs  and expenses that shareholders  of each of the
Funds will bear directly  or indirectly. The expense  table and example  reflect
voluntary undertakings for the current fiscal year (i) by U.S. Trust, U.S. Trust
Pacific and the shareholder servicing agents to waive certain of their fees, and
(ii)  by U.S. Trust to  reimburse the Trust for  certain administrative fees and
other expenses.  After giving  effect to  such waivers  and reimbursements,  the
aggregate  operating expenses (including amortization of organizational expenses
but exclusive  of  taxes,  interest,  brokerage  commissions  and  extraordinary
expenses)  of each Fund and its corresponding  Portfolio will be as shown above.
Without such waivers and reimbursements, (a) the advisory fees paid would  equal
(x)  0.65% of  the average daily  net assets  of the Portfolios  for the Equity,
Income, Total Return Bond, Small Cap,  Balanced, Equity Growth and Value  Equity
Income  Funds, (y) 0.25% of  the average daily net  assets of the Portfolios for
the Equity Index and Bond  Index Funds, and (z) 1.00%  of the average daily  net
assets   of  the  Portfolio  for  the  International  Equity  Fund(1),  (b)  the
administrative fees would equal  0.22% of the average  daily net assets of  each
Fund,  (c) the shareholder servicing fees would equal 0.25% of the average daily
net assets of each Fund, (d) other expenses would equal 0.11% (0.28% in the case
of the International Equity Fund) of the  average daily net assets of each  Fund
and  its corresponding Portfolio, and (e)  aggregate total operating expenses of
each Fund and its corresponding Portfolio  would equal (x) 1.23% of the  average
daily  net assets of the Equity, Income, Total Return Bond, Small Cap, Balanced,
Equity  Growth   and   Value   Equity   Income   Funds,   (y)   0.83%   of   the
 
- ------------
(1) The  full advisory fees noted  here are being accrued  by each Portfolio but
    are offset by reimbursements to each Portfolio's corresponding Fund.
 
                                       2
<PAGE>
average daily net assets of the Equity Index and Bond Index Funds, and (z) 1.75%
of the  average daily  net assets  of the  International Equity  Fund. For  more
information  with  respect  to  the  expenses  of  each  of  the  Funds  and its
corresponding Portfolio, see "Management of the Trust and Portfolio Series". Fee
waivers and  expense reimbursements  are  terminable at  any  time in  the  sole
discretion of the service providers waiving fees or reimbursing expenses.
 
                       INVESTMENT OBJECTIVES AND POLICIES
 
INTRODUCTION
 
    Excelsior  Institutional Trust was  organized as a  business trust under the
laws of the State of Delaware, with the Funds established as separate series  of
the  Trust, on  April 27,  1994. Shares  of the  Funds are  continuously sold to
institutional investors. The Trust seeks to achieve the investment objective  of
each  of  the Funds  by  investing all  investable assets  of  that Fund  in its
corresponding Portfolio, which has the same investment objective and policies as
that Fund.
 
    Unless otherwise  stated, all  of the  investment objectives,  policies  and
strategies  discussed herein and in the  Statement of Additional Information are
deemed "non-fundamental", i.e.,  the approval  of a Fund's  shareholders is  not
required  to change its  investment objective or any  of its investment policies
and strategies. Likewise,  the approval  of a Fund  and other  investors in  its
corresponding  Portfolio is not  required to change  that Portfolio's investment
objective or  any of  the Portfolio's  investment policies  and strategies.  Any
changes  in  a  Fund's  or  a  Portfolio's  investment  objective,  policies  or
strategies could result in the  Fund having investment objectives, policies  and
strategies  different  from  those applicable  at  the time  of  a shareholder's
investment in such Fund.
 
INVESTMENT OBJECTIVES
 
    The investment objective of EXCELSIOR INSTITUTIONAL EQUITY FUND (the "Equity
Fund") is to provide long-term capital appreciation. The Trust seeks to  achieve
the  investment objective of the Fund by  investing all of the investable assets
of the Fund in Equity Portfolio, a diversified open-end investment company  with
the  same investment objective and policies as the Equity Fund. Equity Portfolio
seeks to achieve its investment objective by investing in companies believed  to
represent good long-term values not currently recognized in the market prices of
their securities.
 
    The investment objective of EXCELSIOR INSTITUTIONAL INCOME FUND (the "Income
Fund") is to provide as high a level of current interest income as is consistent
with  moderate risk of capital and maintenance  of liquidity. The Trust seeks to
achieve the investment objective of the Fund by investing all of the  investable
assets  of  the  Fund in  Income  Portfolio, a  diversified  open-end investment
company with the  same investment  objective and  policies as  the Income  Fund.
Income  Portfolio  seeks  to  achieve  its  investment  objective  by  investing
principally in  a  broad  range of  investment-grade  fixed  income  securities,
including  preferred stock, bonds, notes and debentures, as well as money market
instruments.
 
    The investment objective of EXCELSIOR  INSTITUTIONAL TOTAL RETURN BOND  FUND
(the  "Total  Return  Bond  Fund")  is to  maximize  the  total  rate  of return
consistent with moderate risk of capital and maintenance of liquidity. The Trust
seeks to achieve the investment  objective of the Fund  by investing all of  the
investable  assets of  the Fund  in Total  Return Bond  Portfolio, a diversified
open-end investment company with the  same investment objective and policies  as
the  Total Return Bond  Fund. Total Return  Bond Portfolio seeks  to achieve its
investment objective by  investing principally  in a broad  range of  investment
 
                                       3
<PAGE>
grade  fixed  income securities,  including  preferred stock,  bonds,  notes and
debentures, as  well  as  money  market  instruments.  In  selecting  investment
opportunities,  Total Return Bond Portfolio will balance yield, average maturity
and risk in seeking to provide maximum preservation of purchase power.
 
    The investment objective of EXCELSIOR  INSTITUTIONAL EQUITY INDEX FUND  (the
"Equity  Index Fund")  is to provide  investment results that  correspond to the
investment performance  of  the Standard  &  Poor's 500  Composite  Stock  Price
Index(2)  (the  "S&P  500  Index"), an  index  emphasizing  large capitalization
stocks. The  Trust seeks  to achieve  the investment  objective of  the Fund  by
investing  all the investable assets  of the Fund in  Equity Market Portfolio, a
diversified open-end  management investment  company  with the  same  investment
objective  and policies as the Equity  Index Fund. Equity Market Portfolio seeks
to achieve its investment objective by replicating the yield and total return of
the equity securities composing the S&P 500 Index. The S&P 500 is a  broad-based
index  of the  common stocks  of 500  companies from  several industrial sectors
representing a significant  portion of  the market  value of  all common  stocks
publicly traded in the United States.
 
    The  investment objective  of EXCELSIOR  INSTITUTIONAL BOND  INDEX FUND (the
"Bond Index  Fund") is  to provide  investment results  that correspond  to  the
investment  performance  of  the  Lehman  Brothers  Aggregate  Bond  Index  (the
"Aggregate Bond Index"),  a broad market-weighted  index which encompasses  U.S.
Treasury   and  agency   securities,  corporate  investment   grade  bonds,  and
mortgage-backed securities,  each with  maturities greater  than one  year.  The
Trust seeks to achieve the investment objective of the Fund by investing all the
investable  assets of the Fund in  Bond Market Portfolio, a diversified open-end
management investment company with the same investment objective and policies as
the Bond  Index Fund.  Bond Market  Portfolio seeks  to achieve  its  investment
objective  by replicating the yield and total return of the Aggregate Bond Index
through  a  statistically  selected  sample  of  fixed  income  securities.  The
Aggregate  Bond Index is a broad  market-weighted index of U.S. investment grade
fixed income securities.
 
    The investment  objective of  EXCELSIOR INSTITUTIONAL  SMALL  CAPITALIZATION
FUND (the "Small Cap Fund") is to provide a high total return from a diversified
portfolio  of  equity securities  of small  capitalization companies.  The Trust
seeks to  achieve the  investment objective  of the  Fund by  investing all  the
investable  assets of  the Fund in  Small Cap Portfolio,  a diversified open-end
management investment company with the same investment objective and policies as
the Small  Cap  Fund.  Small  Cap Portfolio  seeks  to  achieve  its  investment
objective  by investing  in equity securities  from the Russell  2000 Index. The
Portfolio invests in  index securities whose  risk characteristics and  industry
group  representation are similar  to the universe of  securities in the Russell
2000 Index; however,  the Portfolio's  security holdings,  taken together,  will
have a lower aggregate price/earnings ratio than index securities generally. The
Russell  2000 Index is a broad index of equity securities of U.S. companies with
common stock market capitalizations below $600 million.
 
    The investment  objective  of  EXCELSIOR INSTITUTIONAL  BALANCED  FUND  (the
"Balanced  Fund") is to provide a high total return from a diversified portfolio
of equity and fixed income securities. The Trust seeks to achieve the investment
objective of the  Fund by investing  all the  investable assets of  the Fund  in
Balanced  Portfolio, a  diversified open-end management  investment company with
the same  investment  objective and  policies  as the  Balanced  Fund.  Balanced
Portfolio  seeks to achieve this investment objective by investing in equity and
fixed income securities, as described more fully below.
 
- ------------
(2)"Standard & Poor's-Registered Trademark-", "S&P-Registered Trademark-" and
"Standard & Poor's 500-Registered Trademark-" are trademarks of Standard &
Poor's Corporation.
 
                                       4
<PAGE>
    The investment objective of EXCELSIOR INSTITUTIONAL EQUITY GROWTH FUND  (the
"Equity Growth Fund") is to provide a high level of capital appreciation through
investment  in  a  diversified portfolio  of  common stocks  with  potential for
above-average growth in earnings and dividends.  The Trust seeks to achieve  the
investment  objective of the Fund by investing  all the investable assets of the
Fund in Equity  Growth Portfolio, a  diversified open-end management  investment
company  with the  same investment objective  and policies as  the Equity Growth
Fund. Equity  Growth Portfolio  seeks to  achieve this  investment objective  by
investing  primarily in  the common  stocks of  medium and  large capitalization
companies which, in the opinion of  its subadviser, will present an  opportunity
for  significant increases in  earnings and/or value,  without consideration for
current income.
 
    The investment objective of EXCELSIOR INSTITUTIONAL VALUE EQUITY INCOME FUND
(the "Value Equity Income Fund") is  to provide capital appreciation and a  high
level  of current income by investing  principally in a diversified portfolio of
equity securities selected  for their  potential to generate  current income  or
long-term growth of capital. The Trust seeks to achieve the investment objective
of  the Fund by investing all the investable  assets of the Fund in Value Equity
Income Portfolio, a diversified open-end management investment company with  the
same  investment objective and  policies as the Value  Equity Income Fund. Value
Equity Income Portfolio seeks to achieve this investment objective by  investing
primarily  in equity  securities which  produce a  current dividend  yield which
generally exceeds the published composite yield of the securities comprising the
S&P 500. The published composite yield of the S&P 500 was 2.79% for the calendar
quarter ended September 30, 1994.
 
    The investment  objective of  EXCELSIOR INSTITUTIONAL  INTERNATIONAL  EQUITY
FUND   (the  "International  Equity  Fund")  is  to  provide  long-term  capital
appreciation through investment in a diversified portfolio of marketable foreign
securities. The Trust seeks to achieve  the investment objective of the Fund  by
investing  all  of the  investable assets  of the  Fund in  International Equity
Portfolio, a diversified  open-end investment company  with the same  investment
objective  and policies as  the International Equity  Fund. International Equity
Portfolio seeks to achieve  its investment objective  by investing primarily  in
foreign equity securities of issuers that the subadviser believes to have strong
balance sheets, sustainable internal growth, superior financial results, capable
and forthright management and enduring competitive advantages.
 
    Since  the investment policies and  strategies of each Fund  are the same as
those of  its corresponding  Portfolio, the  following is  a discussion  of  the
various   investment  policies  and  strategies   employed  by  each  Portfolio.
Additional information  about the  investment policies  and strategies  of  each
Portfolio  appears in the  Statement of Additional Information.  There can be no
assurance that  the  investment  objective  of any  Fund  or  its  corresponding
Portfolio will be achieved.
 
U.S. TRUST'S INVESTMENT PHILOSOPHY AND STRATEGIES
 
    U.S.  Trust,  the  adviser for  the  Equity,  Income and  Total  Return Bond
Portfolios, and the subadviser for the Equity Market, Bond Market, and Small Cap
Portfolios, was founded in 1853, and  offers a variety of specialized  fiduciary
and   financial  services  to  high  net  worth  individuals,  institutions  and
corporations. As one of the largest institutions of its type, U.S. Trust  prides
itself  in  offering an  attentive  and high  level of  service  to each  of its
clients.
 
    EQUITY PORTFOLIO
 
    INVESTMENT PHILOSOPHY.   In managing investments  for the Equity  Portfolio,
U.S.  Trust follows a  long-term investment philosophy  which generally does not
change with the short-term variability of financial markets
 
                                       5
<PAGE>
or fundamental conditions. U.S. Trust's approach begins with the conviction that
all worthwhile investments are  grounded in value. U.S.  Trust believes that  an
investor  can identify fundamental values that eventually should be reflected in
market prices.  U.S. Trust  believes that  over time  a disciplined  search  for
fundamental  value will achieve better results than attempting to take advantage
of short-term price movements.
 
    Implementation of this long-term value philosophy consists of searching for,
identifying and obtaining the benefits  of present or future investment  values.
For  example, such values may be found  in a company's future earnings potential
or in its  existing resources and  assets. Accordingly, U.S.  Trust in  managing
investments  for  the  Equity  Portfolio  is  constantly  engaged  in assessing,
comparing and judging the worth of companies, particularly in comparison to  the
price the markets place on such companies' shares.
 
    STRATEGIES.    In order  to translate  its  investment philosophy  into more
specific guidance for selection of  investments, U.S. Trust uses three  specific
strategies.  These strategies, while identified  separately, may overlap so that
more than one may be applied in an investment decision.
 
    U.S. Trust's "PROBLEM/OPPORTUNITY STRATEGY" seeks to identify industries and
companies with the capabilities to provide solutions to or benefit from  complex
problems  such as the changing demographics and  aging of the U.S. population or
the need to enhance industrial productivity.  U.S. Trust's second strategy is  a
"TRANSACTION  VALUE" comparison of a company's  real underlying asset value with
the market price  of its  shares and  with the  sale prices  for similar  assets
changing   ownership  in  public  market  transactions.  Differences  between  a
company's real asset value and the price of its shares often are corrected  over
time  by restructuring of  the assets or  by market recognition  of their value.
U.S. Trust's third  strategy involves identifying  "EARLY LIFE CYCLE"  companies
whose  products  are in  their earlier  stages  of development  or that  seek to
exploit new markets. Frequently such companies are smaller companies, but  early
life  cycle companies  may also  include larger  established companies  with new
products or new  markets for existing  products. U.S. Trust  believes that  over
time the value of such companies should be recognized in the market.
 
    THEMES.  To complete U.S. Trust's investment philosophy, the three portfolio
strategies  discussed  above are  applied in  concert with  several "longer-term
investment themes"  to identify  investment opportunities.  U.S. Trust  believes
these longer-term themes represent strong and inexorable trends. U.S. Trust also
believes  that  understanding the  instigation, catalysts  and effects  of these
longer-term trends should help to  identify companies that are beneficiaries  of
these trends.
 
    INCOME PORTFOLIO AND TOTAL RETURN BOND PORTFOLIO
 
    INVESTMENT  PHILOSOPHY.  Generally, investors in fixed income securities are
best served in the long term by seeking to maximize total return. However,  some
investors  need to balance  preservation of purchase power  against the need for
current income.
 
    As a result,  the Trust  is offering both  objectives to  investors. In  the
Total Return Bond Portfolio, U.S. Trust will employ a total return strategy that
balances  yield,  average  maturity  and  risk  in  seeking  to  provide maximum
preservation of  purchase  power. The  Income  Portfolio will  seek  to  provide
investors  with maximum current  income commensurate with  the credit quality of
the Portfolio and moderate risk of capital.
 
    EQUITY MARKET PORTFOLIO AND BOND MARKET PORTFOLIO
 
    INVESTMENT  PHILOSOPHY.    The  Equity  Market  Portfolio  and  Bond  Market
Portfolio  (collectively, the  "Index Portfolios")  are not  managed pursuant to
traditional methods of active investment management, which
 
                                       6
<PAGE>
involve the buying and selling of securities based upon economic, financial, and
market  analyses  and  investment  judgment.  Instead,  the  Index   Portfolios,
utilizing  a passive or indexing investment  approach, will attempt to duplicate
the investment performance of their respective indexes.
 
    The Bond Market Portfolio seeks  to duplicate the investment performance  of
the  Aggregate Bond Index through statistical  sampling procedures, that is, the
Portfolio will invest  in a  selected group  -- not  the entire  universe --  of
securities  in its  corresponding index.  This group  of securities,  when taken
together, is  expected  to perform  similarly  to the  index  as a  whole.  This
sampling  technique is expected to enable the Bond Market Portfolio to track the
price movements  and  performance  of its  index,  while  minimizing  brokerage,
custodial and accounting costs.
 
    The Equity Market Portfolio seeks to replicate the investment results of the
S&P  500 Index by holding all 500  stocks included in the index in approximately
the same proportions as they are represented in the S&P 500 Index. This indexing
technique is known  as complete  replication. The Equity  Market Portfolio  will
generally  select index  stocks by  reference to  their weighting  in the index,
starting with the  stocks that are  most heavily weighted.  Thus, the  Portfolio
intends  that the  percentage of  its assets invested  in each  index stock will
approximate the weighting of that stock in the S&P 500 Index. The Portfolio may,
however, be  unable fully  to implement  the strategy  outlined above  when  its
assets  total less than $25 million. At such times, the Portfolio may attempt to
approximate the performance of the index by utilizing a sampling approach.
 
    The Trust  expects  that  there  will  be  a  close  correlation  between  a
Portfolio's  performance  and  that of  its  index  in both  rising  and falling
markets. Each Index Portfolio will  attempt to maximize the correlation  between
its  performance and that  of its corresponding  index. Over the  long term, the
investment managers  of the  Index  Portfolios seek  a  correlation of  0.95  or
better.  In  the unlikely  event that  a correlation  of 0.95  or better  is not
achieved, the Board  of Trustees of  the Portfolio Series  will review with  the
investment  managers methods  for increasing  such correlation,  such as through
adjustments in securities holdings of an  Index Portfolio. A correlation of  1.0
would indicate a perfect correlation, which would be achieved when a Portfolio's
net  asset  value,  including  the  value  of  its  dividend  and  capital gains
distributions, increases  or decreases  in  exact proportion  to changes  in  an
index.  The investment managers of the  Index Portfolios monitor the correlation
between the performance of each Index Portfolio and its corresponding index on a
regular basis. Factors such  as the size of  a Portfolio's securities  holdings,
transaction costs, management fees and expenses, brokerage commissions and fees,
the  extent and timing of cash flows into and out of a Portfolio, and changes in
the securities markets and the indexes  themselves, are expected to account  for
any  differences  between each  Index Portfolio's  performance  and that  of its
corresponding index.
 
INVESTMENT POLICIES
 
    EQUITY  PORTFOLIO  seeks  to  provide  long-term  capital  appreciation   by
investing in companies believed to represent good long-term values not currently
recognized  in  the  market prices  of  their  securities. U.S.  Trust  uses the
investment philosophy, strategies  and themes discussed  above to identify  such
investment values and to diversify the Portfolio's investments over a variety of
industries and types of companies.
 
    Under  normal market and  economic conditions, the  Portfolio will invest at
least 65% of its  total assets in common  stock, preferred stock and  securities
convertible  into common stock.  Normally, not more than  35% of the Portfolio's
total assets  may be  invested in  other securities  and instruments  including,
E.G.,   investment-grade  debt   securities,  warrants,   options,  and  futures
instruments as  described  in  more detail  below.  See  "Additional  Investment
Strategies  and Techniques; Risk Factors" below.  The Portfolio may hold cash or
 
                                       7
<PAGE>
invest without  limitation in  U.S. Government  securities, high  quality  money
market  instruments and  repurchase agreements  collateralized by  the foregoing
obligations, if  deemed  appropriate  by  U.S.  Trust  for  temporary  defensive
purposes.  For a description of these  securities, see "Bond Market Portfolio --
U.S. Government and Agency Securities" and "Additional Investment Strategies and
Techniques; Risk Factors -- Short Term Instruments" below, and the Statement  of
Additional Information.
 
    In  managing the Portfolio,  U.S. Trust seeks  to purchase securities having
value currently not  recognized in the  market price of  a security,  consistent
with the strategies discussed above.
 
    Portfolio   holdings  will   include  common  stocks   of  companies  having
capitalizations of  varying  amounts,  and  the Portfolio  will  invest  in  the
securities of high growth, small companies where U.S. Trust expects earnings and
the  price of the  securities to grow  at an above-average  rate. See "Small Cap
Portfolio" below  for  a  description  of  certain  risks  associated  with  the
securities  of small companies. Certain securities owned by the Portfolio may be
traded only in the over-the-counter market or on a regional securities exchange,
may be listed only in the quotation service commonly known as the "pink sheets",
or may not be traded every day or in the volume typical of trading on a national
securities exchange. As a result, there may be a greater fluctuation in the  net
asset  value of the  Portfolio, and the  Portfolio may be  required, in order to
meet withdrawals by investors or for other reasons, to sell these securities  at
a  discount from market prices, to sell  during periods when such disposition is
not desirable, or to make many small sales over a period of time.
 
    Equity Portfolio may invest in  the securities of foreign issuers  directly,
or  indirectly through  sponsored and unsponsored  American Depository Receipts.
See "Additional Investment  Strategies and Techniques;  Risk Factors" below  for
further information on foreign investments.
 
    Because  of the risks  associated with common  stock investments, the Equity
Fund is intended to  be a long-term  investment vehicle and  is not designed  to
provide  investors  with  a  means of  speculating  on  short-term  stock market
movements. Investors should not consider  the Equity Fund a complete  investment
program.
 
    INCOME  PORTFOLIO seeks  as high  a level of  current interest  income as is
consistent with moderate risk  of capital and  maintenance of liquidity.  Income
Portfolio  will implement this objective by  lengthening the average maturity of
its holdings and  purchasing higher-yielding (but  relatively stable)  corporate
bonds  and government securities.  The Portfolio invests  principally in a broad
range of investment-grade income securities, including bonds, notes,  debentures
and preferred stock, as well as money market instruments. See "Total Return Bond
Portfolio"  below  for a  description of  these securities  and a  discussion of
certain investment policies of Income Portfolio.
 
    TOTAL RETURN  BOND PORTFOLIO  seeks to  maximize the  total rate  of  return
consistent  with  moderate  risk of  capital  and maintenance  of  liquidity. In
selecting investment  opportunities, Total  Return Bond  Portfolio will  balance
yield,  average maturity and risk in  seeking to provide maximum preservation of
purchase power. Total Return Bond Portfolio invests principally in a broad range
of investment-grade income  securities, including bonds,  notes, debentures  and
preferred stock, as well as money market instruments.
 
    The  Income and the Total Return Bond Portfolios may invest in the following
types of  securities:  corporate debt  obligations  such as  bonds,  debentures,
obligations  convertible  into  common  stocks  and  money  market  instruments;
preferred stocks; and obligations  issued or guaranteed  by the U.S.  Government
and  its agencies  or instrumentalities.  The Income  and the  Total Return Bond
Portfolios are also permitted to enter into repurchase agreements, and may  from
time to time invest in debt obligations exempt from
 
                                       8
<PAGE>
Federal  income tax  and issued by  or on  behalf of the  states, territories or
possessions  of  the  United  States,  the  District  of  Columbia,  and   their
authorities,  agencies, instrumentalities and political subdivisions ("Municipal
Bonds").
 
    The purchase of  Municipal Bonds may  be advantageous when,  as a result  of
prevailing  economic, regulatory or other circumstances, the performance of such
securities, on  a pre-tax  basis, is  comparable to  that of  corporate or  U.S.
Government  debt  obligations. The  two  principal classifications  of Municipal
Bonds which may be held by the  Income and the Total Return Bond Portfolios  are
"general  obligation"  securities and  "revenue" securities.  General obligation
securities are secured  by the issuer's  pledge of its  full faith, credit,  and
taxing  power for the payment of  principal and interest. Revenue securities are
payable only from the  revenues derived from a  particular facility or class  of
facilities or, in some cases, from the proceeds of a special excise tax or other
specific revenue source such as the user of the facility being financed. Private
activity  bonds held by the Portfolios are  in most cases revenue securities and
are not payable from the unrestricted revenues of the issuer. Consequently,  the
credit  quality of private activity revenue bonds is usually directly related to
the credit standing of the corporate user of the facility involved.
 
    The Income and  the Total Return  Bond Portfolios may  also purchase  "moral
obligation"  securities,  which are  normally  issued by  special-purpose public
authorities. If the issuer of moral obligation securities is unable to meet  its
debt  service obligations from current revenues, it  may draw on a reserve fund,
the restoration of which is a moral  commitment, but not a legal obligation,  of
the  state or municipality which created the  issuer. Subject to the quality and
diversification requirements  specified below,  there is  no limitation  on  the
amount  of moral obligation  securities that may  be held by  the Income and the
Total Return Bond Portfolios. U.S. Trust will consider investments in  Municipal
Bonds  for  the Income  and the  Total  Return Bond  Portfolios when  U.S. Trust
believes that the total return on such securities is attractive relative to that
of taxable securities.
 
    Under normal market  conditions, at least  75% of the  Income and the  Total
Return  Bond Portfolios' total assets will  be invested in investment-grade debt
obligations rated within the four highest ratings of Moody's Investors  Service,
Inc.  ("Moody's")  or Standard  & Poor's  Ratings Group  ("S&P") (or  in unrated
obligations considered to  be of  investment grade by  U.S. Trust)  and in  U.S.
Government obligations and money market instruments of the types listed at "Bond
Market  Portfolio  -- U.S.  Government  and Agency  Securities"  and "Additional
Investment Strategies and  Techniques; Risk Factors  -- Short Term  Instruments"
below.  When, in the opinion  of a Portfolio, a  defensive investment posture is
warranted,  each  of  these  Portfolios  may  invest  temporarily  and   without
limitation in high quality, short-term money market instruments.
 
    Unrated  securities will be  considered of investment grade  if deemed to be
comparable in  quality  to  instruments  so rated,  as  determined  pursuant  to
procedures  established by  the Board of  Trustees of St.  James Portfolios (the
"Portfolio Series"). With respect to securities  rated Baa by Moody's or BBB  by
S&P,  interest and principal payments are  regarded as adequate for the present;
however, securities with  these rankings may  have speculative  characteristics,
and  changes in  economic conditions or  other circumstances are  more likely to
lead to a weakened capacity to make interest and principal payments than is  the
case  with higher grade bonds.  See the Appendix to  the Statement of Additional
Information for a more detailed explanation of these ratings.
 
    The Income and  the Total Return  Bond Portfolios  may invest up  to 25%  of
their  respective total assets  in (a) obligations rated  below the four highest
ratings of S&P or Moody's with no minimum rating required, (b) preferred stocks,
and (c)  U.S.  dollar-denominated  debt  obligations  of  (i)  foreign  issuers,
including
 
                                       9
<PAGE>
foreign  corporations and  foreign governments,  and (ii)  U.S. companies issued
outside the United States. See "Additional Investment Strategies and Techniques;
Risk Factors" below for further information on these investments. The Income and
the Total  Return Bond  Portfolios will  not invest  in common  stocks, and  any
common  stocks received through conversion  of convertible debt obligations will
be sold in an orderly manner as soon as possible.
 
    Each of the Income Fund and the Total  Return Bond Fund is intended to be  a
long-term  investment vehicle  and is not  designed to provide  investors with a
means of speculating on short-term  bond market movements. Because of  potential
share  price fluctuations,  these Funds may  be inappropriate  for investors who
have short-term objectives. Investors should  not consider the Funds a  complete
investment program.
 
    EQUITY MARKET PORTFOLIO invests at least 80% of its assets in a portfolio of
equity  securities consisting of all  500 common stocks in  the S&P 500 Index of
large capitalization  common  stocks.  The Portfolio  intends  to  remain  fully
invested,  to the extent practicable,  in a pool of  securities which will match
the investment characteristics of the index. The inclusion of a stock in the S&P
500  Index  in  no  way  implies  that  Standard  &  Poor's  Corporation   ("S&P
Corporation") believes the stock to be an attractive investment.
 
    S&P  500 INDEX.  The  S&P 500 Index is a  well-known stock market index that
includes  common  stocks  of  500  companies  from  several  industrial  sectors
representing  a significant  portion of  the market  value of  all common stocks
publicly traded  in  the  United  States,  in  the  following  proportions:  400
industrials,  60 transportation and utility companies, and 40 financial services
companies. Stocks in the  S&P 500 Index are  weighted according to their  market
capitalization (i.e., the number of shares outstanding multiplied by the stock's
current  price),  with the  51  largest stocks  currently  composing 50%  of the
index's value.  Typically, companies  included  in the  S&P  500 Index  are  the
largest  and most dominant firms in their respective industries. As of September
30, 1994, the  five largest companies  in the Index  were: American Telephone  &
Telegraph   (2.52%),  General  Electric   (2.45%),  Exxon  Corporation  (2.13%),
Coca-Cola (1.87%), and Royal  Dutch Petroleum (1.7%). As  of the same date,  the
largest industry categories were: international oil companies (6.92%), telephone
companies  (5.19%),  electric  power  companies  (3.77%),  major  regional banks
(3.64%), and diversified health care companies (3.60%). The investment  managers
of  the  Portfolio  believe  that  the  performance  of  the  S&P  500  Index is
representative of the performance of  publicly traded common stocks in  general.
The  composition of the  S&P 500 Index  is determined by  S&P Corporation and is
based on such factors as the market capitalization and trading activity of  each
stock  and its  representativeness of  a particular  industry group,  and may be
changed from time to time.
 
    The Equity Index  Fund and the  Equity Market Portfolio  are not  sponsored,
endorsed,  sold  or  promoted  by  S&P  Corporation.  S&P  Corporation  makes no
representation or warranty, express or implied, to investors in the Equity Index
Fund and the Equity Market Portfolio or  any member of the public regarding  the
advisability  of investing in securities generally  or in the Fund and Portfolio
particularly or the ability of the S&P  500 Index to track general stock  market
performance.  S&P Corporation's only relationship to  the Trust is the licensing
of certain trademarks  and trade names  of S&P  Corporation and of  the S&P  500
Index  which is determined,  composed and calculated  by S&P Corporation without
regard to the Trust, the Equity Index  Fund or the Equity Market Portfolio.  S&P
Corporation has no obligation to take the needs of the Trust or the investors in
the  Equity Index  Fund and  the Equity  Market Portfolio  into consideration in
determining, composing or calculating the S&P 500 Index. S&P Corporation is  not
responsible  for and has not participated in  the determination of the net asset
value of shares of the Equity Index Fund  or the timing of the issuance or  sale
of shares of the Fund.
 
                                       10
<PAGE>
    S&P  CORPORATION DOES NOT GUARANTEE THE  ACCURACY AND/OR THE COMPLETENESS OF
THE S&P 500 INDEX OR ANY DATA INCLUDED THEREIN AND S&P CORPORATION SHALL HAVE NO
LIABILITY FOR ANY ERRORS, OMISSIONS,  OR INTERRUPTIONS THEREIN. S&P  CORPORATION
MAKES NO WARRANTY, EXPRESS OR IMPLIED, AS TO RESULTS TO BE OBTAINED BY THE TRUST
OR  INVESTORS IN THE  EQUITY INDEX FUND  AND THE EQUITY  MARKET PORTFOLIO OR ANY
PERSON OR ENTITY FROM THE USE OF THE S&P 500 INDEX OR ANY DATA INCLUDED THEREIN.
S&P CORPORATION MAKES NO EXPRESS OR IMPLIED WARRANTIES, AND EXPRESSLY  DISCLAIMS
ALL  WARRANTIES OF  MERCHANTABILITY OR FITNESS  FOR A PARTICULAR  PURPOSE OR USE
WITH RESPECT TO THE S&P 500 INDEX OR ANY DATA INCLUDED THEREIN. WITHOUT LIMITING
ANY OF THE FOREGOING, IN NO EVENT  SHALL S&P CORPORATION HAVE ANY LIABILITY  FOR
ANY  SPECIAL,  PUNITIVE,  INDIRECT,  OR  CONSEQUENTIAL  DAMAGES  (INCLUDING LOST
PROFITS), EVEN IF NOTIFIED OF THE POSSIBILITY OF SUCH DAMAGES.
 
    Because of the risks  associated with common  stock investments, the  Equity
Index  Fund is intended to be a long-term investment vehicle and is not designed
to provide investors  with a  means of  speculating on  short-term stock  market
movements.  Investors  should  not consider  the  Equity Index  Fund  a complete
investment program.
 
    BOND MARKET PORTFOLIO invests at least 80%  of its assets in a portfolio  of
securities  consisting of a representative  selection of fixed income securities
included in the Lehman Brothers Aggregate  Bond Index. The Portfolio intends  to
remain  fully invested, to the extent practicable,  in a pool of securities that
match the yield and total return of the index.
 
    LEHMAN BROTHERS AGGREGATE BOND INDEX.   The Aggregate Bond Index is a  broad
market-weighted  index which  encompasses three  major classes  of United States
investment grade fixed income securities with maturities greater than one  year:
U.S.  Treasury  and  agency  securities,  corporate  bonds,  and mortgage-backed
securities. The Index measures the total investment return (capital change  plus
income)  provided  by a  universe of  fixed income  securities, weighted  by the
market value outstanding of each security. The securities included in the  Index
generally  meet  the  following  criteria, as  defined  by  Lehman  Brothers: an
outstanding market value of at least $100 million for U.S. Government and agency
issues and $50  million for  all other securities  issuers (this  limit will  be
raised to $100 million for all issuers by the end of 1994); and investment grade
quality,  rated a  minimum of  Baa by  Moody's or  BBB by  S&P. The  Bond Market
Portfolio is managed without  regard to tax ramifications.  As of September  30,
1994,  the following classes  of fixed income  securities represented the stated
proportions of the total market value of the Aggregate Bond Index:
 
<TABLE>
<S>                                                                         <C>
                U.S. Treasury and government agency securities............       54.0%
                Corporate bonds...........................................       16.1%
                Mortgage-backed securities................................       28.5%
                Asset-backed securities...................................        1.4%
                Option-adjusted duration:                                         4.7years
</TABLE>
 
    The Aggregate Bond Index is composed  of the following kinds of  securities:
public  obligations  of  the  U.S.  Government;  publicly  issued  debt  of U.S.
Government agencies and quasi-federal corporations; corporate debt guaranteed by
the U.S.  Government;  fixed rate  nonconvertible  dollar-denominated  corporate
debt;  15- and  30-year fixed  rate securities backed  by mortgage  pools of the
Government National Mortgage Association (GNMA), the Federal Home Loan  Mortgage
Corporation  (FHLMC), and the Federal  National Mortgage Association (FNMA); and
asset-backed  pass-through  securities   representing  pools   of  credit   card
receivables and auto or home equity loans.
 
                                       11
<PAGE>
    U.S. GOVERNMENT AND AGENCY SECURITIES.  The Bond Market Portfolio may invest
in U.S. Government securities and securities issued or guaranteed by agencies or
instrumentalities of the U.S. Government. Securities issued or guaranteed by the
U.S.  Government  or its  agencies  or instrumentalities  include  U.S. Treasury
securities, which differ only in their  interest rates, maturities and times  of
issuance:  Treasury Bills have initial maturities  of one year or less; Treasury
Notes have initial maturities of one to ten years; and Treasury Bonds  generally
have  initial maturities of  greater than ten years.  Some obligations issued or
guaranteed by U.S. Government agencies and instrumentalities, such as Government
National Mortgage Association  pass-through certificates, are  supported by  the
full  faith and credit of the U.S.  Treasury; other securities, such as those of
the Federal Home Loan Banks, are supported by the right of the issuer to  borrow
from   the  Treasury.  Securities  issued   by  the  Federal  National  Mortgage
Association are supported by discretionary  authority of the U.S. Government  to
purchase certain obligations of the agency or instrumentality; other securities,
such  as those issued  by the Student Loan  Marketing Association, are supported
only by the credit of the  agency or instrumentality. While the U.S.  Government
provides  financial  support  to  such  U.S.  Government-sponsored  agencies  or
instrumentalities, no assurance can be given that it will always do so, since it
is not so obligated by law. The  Bond Index Fund and Bond Market Portfolio,  and
their  respective net asset  values and yields,  are not guaranteed  by the U.S.
Government or any federal agency or instrumentality. For additional  information
on U.S. Government securities, see the Statement of Additional Information.
 
    The  Bond Market Portfolio  may, from time  to time, substitute  one type of
investment grade bond for another. For  instance, the Bond Market Portfolio  may
hold  more short-term corporate bonds (and fewer short U.S. Treasury bonds) than
represented in the Aggregate Bond Index so as to increase income.
 
    CORPORATE BONDS.  The Bond Market Portfolio may purchase debt securities  of
United  States corporations only  if they are deemed  investment grade, that is,
carry a rating of at least Baa from Moody's or BBB from S&P or, if not rated  by
these rating agencies, are judged by the investment managers of the Portfolio to
be  of comparable quality. With  respect to securities rated  Baa by Moody's and
BBB by S&P,  interest and principal  payments are regarded  as adequate for  the
present;   however,  securities   with  these   ratings  may   have  speculative
characteristics, and changes in economic  conditions or other circumstances  are
more  likely  to lead  to a  weakened  capacity to  make interest  and principal
payments than is  the case  with higher grade  bonds. The  Portfolio intends  to
dispose  in  an  orderly  manner  of  any  security  which  is  downgraded below
investment grade subsequent to its purchase.  See the Appendix to the  Statement
of Additional Information for a more detailed explanation of these ratings.
 
    Corporate  bonds are subject to call risk during periods of falling interest
rates. Securities with  high stated interest  rates may be  prepaid (or  called)
prior to maturity, requiring the Bond Market Portfolio to invest the proceeds at
generally lower interest rates. Call provisions, common in many corporate bonds,
allow bond issuers to redeem bonds prior to maturity (at a specific price). When
interest  rates are falling, bond issuers  often exercise these call provisions,
paying off bonds  that carry high  stated interest rates  and often issuing  new
bonds  at lower rates. For  the Bond Market Portfolio,  the result would be that
bonds  with  high  interest  rates  are   called  and  must  be  replaced   with
lower-yielding  instruments.  In these  circumstances,  the income  of  the Bond
Market Portfolio would decline.
 
    MORTGAGE PASS-THROUGHS AND  COLLATERALIZED MORTGAGE OBLIGATIONS.   The  Bond
Market  Portfolio may purchase mortgage  and mortgage-related securities such as
pass-throughs and collateralized mortgage obligations that meet the Bond  Market
Portfolio's  selection criteria (collectively,  "Mortgage Securities"). Mortgage
pass-throughs are  securities  that  pass  through  to  investors  an  undivided
interest in a pool of
 
                                       12
<PAGE>
underlying mortgages. These are issued or guaranteed by U.S. government agencies
such  as GNMA,  FNMA, and FHLMC.  Other mortgage pass-throughs  consist of whole
loans originated and issued by private limited purpose corporations or conduits.
Collateralized mortgage  obligation bonds  are  obligations of  special  purpose
corporations  that  are collateralized  or  supported by  mortgages  or mortgage
securities such as pass-throughs.
 
    As a result of its  investments in Mortgage Securities, the  mortgage-backed
securities  in the Bond Market  Portfolio may be subject  to a greater degree of
market volatility as a result of unanticipated prepayments of principal.  During
periods  of declining interest rates,  the principal invested in mortgage-backed
securities with high interest  rates may be repaid  earlier than scheduled,  and
the  Bond Market Portfolio will be forced to reinvest the unanticipated payments
at generally  lower  interest rates.  When  interest rates  fall  and  principal
prepayments  are reinvested  at lower interest  rates, the income  that the Bond
Market  Portfolio  derives  from  mortgage-backed  securities  is  reduced.   In
addition,  like  other fixed  income  securities, Mortgage  Securities generally
decline in price when interest rates rise.
 
    Because the Bond Market Portfolio will  seek to represent all major  sectors
of  the investment grade fixed income securities market, the Bond Index Fund may
be a suitable vehicle for those investors seeking ownership in the "bond market"
as a  whole,  without regard  to  particular sectors.  The  Bond Index  Fund  is
intended  to be a  long-term investment vehicle  and is not  designed to provide
investors with  a means  of  speculating on  short-term bond  market  movements.
Because of potential share price fluctuations, the Fund may be inappropriate for
investors  who have short-term objectives or who require stability of principal.
Investors should not consider the Fund a complete investment program.
 
    SMALL CAP PORTFOLIO seeks to provide a high total return from a portfolio of
equity securities of small capitalization  companies. Total return will  consist
of  income plus realized and unrealized  capital gains and losses. The Portfolio
will invest at least 65% of its total assets in equity securities consisting  of
a  selection  of  the  stocks  included  in  the  Russell  2000  Index  of small
capitalization stocks. The Portfolio  intends to remain  fully invested, to  the
extent  practicable, in securities with  risk characteristics and industry group
representation similar to the  securities in the Russell  2000 Index, but it  is
anticipated  that the Portfolio's securities, taken together, would have a lower
aggregate price/earnings ratio  than index securities  generally. To reduce  the
risk  associated  with  investments in  individual  securities,  the Portfolio's
investments will be spread over a range of industries and issuers as opposed  to
being   concentrated   in  a   few  individual   securities.  Stocks   of  small
capitalization issuers generally have  greater illiquidity and price  volatility
than stocks of larger capitalization issuers.
 
    The  Russell 2000  Index consists of  the smallest 2,000  companies from the
Russell  3000  Index  (a  portfolio  of  3,000  securities  of  U.S.   companies
representing  approximately 98% of  the U.S. equity  market). Only common stocks
issued by corporations domiciled  in the United States  and its territories  are
eligible  for inclusion in the Russell 2000 Index. As of September 30, 1994, the
market capitalization of  stocks in the  index ranged in  size from $30  million
(smallest company) to $1.05 billion (largest company).
 
    The  Portfolio invests in common stocks and other equity securities, such as
preferred stocks, rights and warrants.  Because the Portfolio invests in  equity
securities  of small capitalization issuers, its price volatility may be greater
than if the Portfolio invested exclusively in equity securities of issuers which
have larger  market  capitalizations.  Generally,  equity  securities  of  small
capitalization   companies  have  historically  been  characterized  by  greater
volatility of returns,  greater total  returns, and lower  dividend yields  than
equity
 
                                       13
<PAGE>
securities  of  large capitalization  issuers. The  greater price  volatility of
equity securities of small capitalization issuers may result from the fact  that
there may be less market liquidity, less publicly available information or fewer
investors who monitor the activities of these companies. In addition, the market
prices  of these securities may exhibit  more sensitivity to changes in industry
or general economic conditions.
 
    The Small Cap Fund may be appropriate for a variety of investment  programs.
While  the Fund is not  a substitute for an  investment portfolio tailored to an
investor's particular investment needs and ability  to tolerate risk, it may  be
used  to supplement and diversify an  investment portfolio. Because of the risks
associated  with  investments  in  equity  securities  of  small  capitalization
companies,  the Small Cap Fund is intended  to be a long-term investment vehicle
and is  not  designed  to provide  investors  with  a means  of  speculating  on
short-term  stock market movements. Investors should  not consider the Small Cap
Fund a complete investment program.
 
    BALANCED PORTFOLIO seeks to provide a  high total return from a  diversified
portfolio  of equity and  fixed income securities. Total  return will consist of
income plus  realized and  unrealized capital  gains and  losses. The  Portfolio
seeks  to provide a total return that  approaches that of the universe of equity
securities of large  U.S. companies  and that exceeds  the return  typical of  a
portfolio  of fixed  income securities. The  Portfolio attempts  to achieve this
return by investing in equity and fixed income instruments, as described below.
 
    The Balanced Fund is designed for investors who wish to invest for long term
objectives. The  Balanced Fund  may be  appropriate for  investors who  seek  to
attain appreciation in the market value of their investments over the long term,
but  with somewhat  less price fluctuation  than a portfolio  consisting only of
equity securities.  The Balanced  Fund  may also  be  an attractive  option  for
investors  who  want  professional  investment  managers  to  decide  how  their
investments should  be allocated  between equity  and fixed  income  securities.
Investors should not consider the Balanced Fund a complete investment program.
 
    The  relative emphasis placed upon each asset class will vary based upon the
subadviser's assessment  of  their  current attractiveness  on  a  risk-adjusted
basis.  The precise allocation will depend  upon numerous factors, including the
Portfolio investment managers' evaluation of  the economy and financial  markets
as  well as government fiscal and monetary policies. Normally, the commitment to
stocks will range between 35% and  65% of portfolio assets. Similarly, the  bond
allocation  will usually fall between 35%  and 65% of portfolio assets. However,
at least 25% of the total assets  of the Portfolio are always invested in  fixed
income  senior  securities including  debt securities  and preferred  stock. The
subadviser may allocate the Portfolio's investments between these asset  classes
in  a manner they  believe consistent with  the Portfolio's investment objective
and current market conditions.  Stocks may be over-weighted  over the long  term
relative  to  bonds  given  that historically  equity  securities  have provided
superior returns. Within a  shorter time horizon, however,  if stocks and  bonds
appear  equally attractive, fixed  income securities may  be favored given their
greater certainty of return and lower volatility.
 
    The subadviser intends to  manage the Portfolio actively  in pursuit of  its
investment   objective.  While   the  Portfolio   has  a   long-term  investment
perspective, it may take advantage of short-term trading opportunities that  are
consistent with its objective. To the extent the Portfolio engages in short-term
trading, it may incur increased transaction costs. See "Tax Matters" below.
 
    EQUITY INVESTMENTS.  For the equity portion of the Portfolio, the subadviser
seeks  to achieve a  high total return  through fundamental analysis, systematic
stock valuation and disciplined  portfolio construction. The Portfolio's  equity
investments  will be primarily the common  stock of large- and medium-sized U.S.
 
                                       14
<PAGE>
companies with market capitalizations above $1.5 billion, including common stock
of any class or series or any similar equity interest, such as trust or  limited
partnership  interests.  The  Portfolio's equity  investments  may  also include
preferred stock, warrants and similar rights.  The Portfolio may also invest  in
the  equity  securities of  small companies  and of  foreign issuers.  The small
company holdings  of  the Portfolio  are  primarily companies  included  in  the
Russell  2500  Index. The  Russell  2500 Index  consists  of the  smallest 2,500
companies from the Russell 3000 Index. The Portfolio's equity securities may  or
may  not pay dividends and may or may  not carry voting rights. For a discussion
of the risks of investments in small companies, see "Small Cap Portfolio" above.
 
    FIXED INCOME INVESTMENTS.   For the fixed income  portion of the  Portfolio,
the  subadviser seeks to  provide a high  total return by  actively managing the
duration  of  the  Portfolio's  fixed  income  securities,  the  allocation   of
securities  across  market  sectors,  and  the  selection  of  securities within
sectors. Based  on  fundamental,  economic and  capital  markets  research,  the
subadviser  adjusts the duration of the  Portfolio's fixed income investments in
light  of  market  conditions.  The  subadviser  also  actively  allocates   the
Portfolio's fixed income investments among the broad sectors of the fixed income
market.
 
    Duration  is a  measure of  the weighted average  time until  receipt of the
payments expected to  be generated by  the fixed income  securities held in  the
Portfolio,  and can be used  as a measure of  the sensitivity of the Portfolio's
market value to  changes in interest  rates. For example,  and for  illustrative
purposes only, a hypothetical fund with a duration of 10 years will decrease 10%
in  value as a  result of a 1%  increase in interest  rates. Under normal market
conditions, the duration of the fixed income portion of the Portfolio will range
between 80% and  120% of  the Lehman Brothers  Government/Corporate Bond  Index,
which  as of September 30, 1994, was  approximately 5.2 years. The maturities of
the individual  fixed  income  securities  in the  Portfolio  may  vary  widely,
however.
 
    The  Portfolio  may  purchase  debt  securities  only  if  they  are  deemed
investment grade, that is, carry  a rating of at least  Baa from Moody's or  BBB
from S&P or, if not rated by these rating agencies, are judged by the investment
managers  to be of comparable  quality. With respect to  securities rated Baa by
Moody's and BBB by S&P, interest and principal payments are regarded as adequate
for the present;  however, securities  with these ratings  may have  speculative
characteristics,  and changes in economic  conditions or other circumstances are
more likely  to lead  to a  weakened  capacity to  make interest  and  principal
payments  than is  the case  with higher grade  bonds. The  Portfolio intends to
dispose in  an  orderly  manner  of  any  security  which  is  downgraded  below
investment  grade subsequent to its purchase.  See the Appendix to the Statement
of Additional Information for a more detailed explanation of these ratings.
 
    The Portfolio may invest in a broad range of debt securities of domestic and
foreign issuers. These include debt securities of various types and  maturities,
e.g.,  debentures, notes, mortgage securities,  equipment trust certificates and
other collateralized  securities  and  zero  coupon  securities.  Collateralized
securities  are backed by  a pool of  assets such as  loans or receivables which
generate cash flow to cover the  payments due on the securities.  Collateralized
securities are subject to certain risks, including a decline in the value of the
collateral  backing  the security,  failure of  the  collateral to  generate the
anticipated cash  flow or  in certain  cases more  rapid prepayment  because  of
events  affecting the collateral, such as accelerated prepayment of mortgages or
other loans  backing these  securities or  destruction of  equipment subject  to
equipment  trust certificates. In the event of any such prepayment the Portfolio
will be  required to  reinvest the  proceeds of  prepayments at  interest  rates
prevailing  at the time  of reinvestment, which  may be lower.  In addition, the
value of zero coupon
 
                                       15
<PAGE>
securities   which  do  not   pay  interest  is  more   volatile  than  that  of
interest-bearing debt securities with the same maturity. For more information on
mortgage securities and associated risks, see "Bond Market Portfolio -- Mortgage
Pass-Throughs and Collateralized Mortgage Obligations" above.
 
    The Portfolio may invest in U.S. Government securities and securities issued
or guaranteed by  agencies or instrumentalities  of the U.S.  Government. For  a
description  of these securities, see "Bond  Market Portfolio -- U.S. Government
and Agency Securities" above  and the Statement  of Additional Information.  The
Portfolio  may  also  invest  in  municipal  obligations  which  may  be general
obligations of  the  issuer  or  payable only  from  specific  revenue  sources.
However,  the Portfolio will invest only in municipal obligations that have been
issued on a taxable basis or have an attractive total return potential excluding
tax considerations. In addition, the Portfolio may invest in debt securities  of
foreign governments and governmental entities denominated, in all cases, in U.S.
dollars.  See "Additional  Investment Strategies  and Techniques;  Risk Factors"
below for further information on foreign investments.
 
    EQUITY  GROWTH  PORTFOLIO  seeks  to   provide  a  high  level  of   capital
appreciation through investment in a diversified portfolio of common stocks with
potential  for  above-average growth  in earnings  and dividends.  Equity Growth
Portfolio seeks to achieve this  investment objective by investing primarily  in
the  common  stocks of  medium and  large  capitalization U.S.  companies (i.e.,
companies with stock market capitalizations of  more than $1 billion) which,  in
the  opinion  of the  subadviser, will  present  an opportunity  for significant
increases in earnings and/or value. Current dividend income is incidental to the
Equity Growth  Portfolio's investment  objective of  increasing the  value of  a
shareholder's  investment. Investments will be selected based on their potential
for above-average growth in earnings and dividends, with no consideration  given
to current income.
 
    Under  normal market conditions,  the Portfolio will invest  at least 65% of
its total assets in common stocks. The remainder of the Portfolio's assets  will
be   invested   in  other   types  of   securities  including   convertible  and
nonconvertible bonds,  warrants and  short-term obligations,  preferred  stocks,
debt  securities, and repurchase agreements  collateralized by these securities.
The Portfolio may purchase  debt securities only if  they are deemed  investment
grade,  that is, carry a rating of at least Baa from Moody's or BBB from S&P or,
if not rated by these rating agencies, are judged by the investment managers  to
be  of comparable quality. With  respect to securities rated  Baa by Moody's and
BBB by S&P,  interest and principal  payments are regarded  as adequate for  the
present;   however,  securities   with  these   ratings  may   have  speculative
characteristics, and changes in economic  conditions or other circumstances  are
more  likely  to lead  to a  weakened  capacity to  make interest  and principal
payments than is  the case  with higher grade  bonds. The  Portfolio intends  to
dispose  in  an  orderly  manner  of  any  security  which  is  downgraded below
investment grade subsequent to its purchase.  See the Appendix to the  Statement
of Additional Information for an explanation of these ratings. The Portfolio may
invest  without limitation  in high quality  money market  instruments if deemed
appropriate by the subadviser for temporary defensive purposes. See  "Short-Term
Instruments"  below. While  the Portfolio may  invest in  foreign securities, it
currently has no intention of purchasing foreign securities other than  American
Depository  Receipts. See "Investment Strategies and Techniques; Risk Factors --
Foreign Investments" below and "Foreign Securities -- Equity Portfolios" in  the
Statement  of Additional Information.  The Portfolio may  vary the percentage of
assets invested in any one type of security in accordance with the  subadviser's
interpretation  of economic and  market conditions, fiscal  and monetary policy,
and underlying security values.
 
                                       16
<PAGE>
    The subadviser intends to  manage the Portfolio actively  in pursuit of  its
investment   objective.  While   the  Portfolio   has  a   long-term  investment
perspective, it may take advantage of any short-term trading opportunities  that
are  consistent  with its  objective.  To the  extent  the Portfolio  engages in
short-term trading, it may incur increased transaction costs. See "Tax  Matters"
below.
 
    The  Equity  Growth Fund  may  be appropriate  for  a variety  of investment
programs. While  the  Fund is  not  a  substitute for  an  investment  portfolio
tailored  to an investor's  particular investment needs  and ability to tolerate
risk, it  may be  used  to supplement  and  diversify an  investment  portfolio.
Securities  which  offer  above-average  potential for  growth  in  earnings and
dividends may also involve greater volatility of market value. Investors  should
not consider the Fund a complete investment program.
 
    VALUE  EQUITY INCOME PORTFOLIO  seeks to provide  capital appreciation and a
high level of current income by investing principally in a diversified portfolio
of equity securities selected for their potential to generate current income  or
long-term  growth of  capital. Over  the long term,  the Portfolio  will seek to
maintain its dividend and interest income levels  close to those of the S&P  500
Index.   In  making  portfolio  selections,   the  subadviser  follows  a  value
philosophy: to invest  in companies  with sound fundamentals  the securities  of
which  are trading at low price-to-earnings  ratios. In addition, the subadviser
follows an equity income philosophy: to invest principally in common stocks that
provide high current income and a low level of volatility relative to the market
while  seeking  to  obtain  long-term  growth  of  capital.  To  implement   the
Portfolio's  investment objective,  the subadviser will  attempt to  (a) build a
diversified  portfolio  with  significantly  lower-than-market  volatility  that
achieves   superior  return   over  time,  (b)   maintain  consistent  portfolio
characteristics, and (c) provide protection over a falling market cycle.
 
    EQUITY  INVESTMENTS.    The  Portfolio  will  invest  primarily  in   equity
securities  which produce a  current dividend yield  which generally exceeds the
published composite yield of  the securities comprising the  S&P 500 Index.  The
published  composite  yield of  the S&P  500  Index was  2.79% for  the calendar
quarter ended September 30, 1994.  The S&P 500 Index  is a broad-based index  of
500  companies  listed on  the New  York Stock  Exchange. The  Portfolio invests
primarily in preferred  stocks and common  stocks listed on  the New York  Stock
Exchange  and on other national securities exchanges and, to a lesser extent, in
stocks that  are  traded over-the-counter.  Provided  such securities  meet  the
requirements  set forth  below for fixed  income investments,  the Portfolio may
also invest  in securities  convertible  into common  or preferred  stocks.  The
Portfolio  allocates its  investments among different  industries and companies,
seeking to invest in growing, financially stable and undervalued companies.
 
    Under normal market conditions,  the Portfolio will invest  at least 65%  of
its  total assets  in income producing  equity securities. The  remainder of the
Fund's assets  may be  invested  in short-term  instruments such  as  commercial
paper,  bank obligations, U.S. government  and agency securities maturing within
one year, notes and other debt securities of various maturities, and  repurchase
agreements  collateralized by these securities. The Portfolio may invest without
limitation in high quality money market instruments if deemed appropriate by the
subadviser for temporary defensive purposes. See "Short-Term Instruments" below.
While the  Portfolio may  invest  in foreign  securities,  it currently  has  no
intention  of  purchasing  foreign  securities  other  than  American Depository
Receipts. See "Investment  Strategies and  Techniques; Risk  Factors --  Foreign
Investments"  below  and  "Foreign  Securities  --  Equity  Portfolios"  in  the
Statement of Additional Information.
 
    FIXED INCOME INVESTMENTS.  The Portfolio may invest in a broad range of debt
securities of domestic  and foreign  issuers. These include  debt securities  of
various types and maturities, e.g., debentures, notes,
 
                                       17
<PAGE>
mortgage  securities,  equipment  trust  certificates  and  other collateralized
securities and zero coupon securities. For a more detailed description of  these
securities,  see  "Balanced Portfolio  -- Fixed  Income Investments"  above. The
Portfolio may purchase debt securities only if they are deemed investment grade,
that is, carry a rating of at least Baa from Moody's or BBB from S&P or, if  not
rated  by these rating agencies, are judged  by the investment managers to be of
comparable quality. With respect to securities  rated Baa by Moody's and BBB  by
S&P,  interest and principal payments are  regarded as adequate for the present;
however, securities with these ratings may have speculative characteristics, and
changes in economic conditions or other circumstances are more likely to lead to
a weakened capacity  to make interest  and principal payments  than is the  case
with  higher grade bonds. The Portfolio intends  to dispose in an orderly manner
of any security  which is downgraded  below investment grade  subsequent to  its
purchase.  See the  Appendix to the  Statement of Additional  Information for an
explanation of these ratings.
 
    U.S. GOVERNMENT AND  AGENCY SECURITIES.   The Portfolio may  invest in  U.S.
Government  securities  and  securities  issued  or  guaranteed  by  agencies or
instrumentalities of the U.S. Government. For a description of these securities,
see "Bond Market Portfolio -- U.S.  Government and Agency Securities" above  and
"U.S.   Government  and  Agency  Securities"  in  the  Statement  of  Additional
Information.
 
    MORTGAGE PASS-THROUGHS AND COLLATERALIZED  MORTGAGE OBLIGATIONS.  The  Value
Equity  Income  Portfolio  may  purchase  mortgage-related  securities  such  as
mortgage  pass-throughs,  collateralized  mortgage  obligations,  and   mortgage
derivatives  that meet the Portfolio's selection  criteria. For a description of
these securities and associated  risks, see "Bond  Market Portfolio --  Mortgage
Pass-Throughs and Collateralized Mortgage Obligations" above.
 
    The  subadviser intends to  manage the Portfolio actively  in pursuit of its
investment  objective.   While  the   Portfolio  has   a  long-term   investment
perspective,  it may take advantage of any short-term trading opportunities that
are consistent  with its  objective.  To the  extent  the Portfolio  engages  in
short-term  trading, it may incur increased transaction costs. See "Tax Matters"
below.
 
    The Value Equity Income Fund may be appropriate for investors seeking a fund
with greater potential  for capital appreciation  than an income  fund and  less
price  volatility than a growth  fund. Investors should not  consider the Fund a
complete investment program.
 
    INTERNATIONAL EQUITY PORTFOLIO seeks long-term capital appreciation  through
investment  in  a diversified  portfolio of  marketable foreign  securities. The
Portfolio ordinarily  will  invest primarily  in  foreign equity  securities  of
issuers  that the subadviser believes to have strong balance sheets, sustainable
internal growth, superior financial returns, capable and forthright  management,
and enduring competitive advantages.
 
    When  evaluating foreign  securities, the  subadviser will  seek to identify
superior companies with excellent long-term growth prospects and to select  from
among  them those whose shares appear  to offer attractive absolute returns. The
subadviser's  investment  criteria  therefore  include  both  growth  and  value
considerations.  Growth stocks are  those that the  subadviser believes have the
potential for above-average growth in earnings. Value stocks are those that  the
investment  subadviser  believes  are undervalued  by  the market  based  on the
investment managers'  assessment  of  the company's  current  value  and  future
earnings prospects.
 
    In   determining  investment   strategy  and   allocating  investments,  the
subadviser will  continuously  analyze a  broad  range of  international  equity
securities.   Country   and  sector   portfolio   weightings  are   expected  to
 
                                       18
<PAGE>
reflect the results of  a "bottom up" stock  selection process, rather than  the
results  of any "top  down" country or sector  allocation process. The Portfolio
generally will sell securities if  the subadviser believes that such  securities
have  become substantially overvalued relative  to alternative investments or if
the subadviser believes  that there  is an  unfavorable change  in the  issuer's
long-term business forecast.
 
    The  Portfolio's investments generally will  be diversified among geographic
regions and  countries.  While there  are  no prescribed  limits  on  geographic
distributions,   the  Portfolio   normally  will  hold   securities  of  issuers
collectively having their  principal place of  business in no  fewer than  three
foreign countries. The subadviser expects that the Portfolio's assets ordinarily
will  be invested in securities  of issuers located in  the Pacific Basin (E.G.,
Japan, Hong Kong,  Singapore, Malaysia),  Europe, Australia,  Latin America  and
South  Africa.  The Portfolio  also  may invest,  from  time to  time,  in other
regions, seeking to  capitalize on  investment opportunities  emerging in  other
parts  of the world. In purchasing foreign equity securities, the Portfolio will
look generally to large and small companies in mature foreign markets as well as
well-established companies  in  emerging  markets. Under  unusual  economic  and
market  conditions, the Portfolio  may restrict the  securities markets in which
its assets are invested.
 
    Under normal market and economic conditions, at least 75% of the Portfolio's
assets will  be  invested in  foreign  equity securities.  For  cash  management
purposes, the Portfolio may invest up to 25% of its assets on a continuous basis
in  cash or short  term instruments such as  commercial paper, bank obligations,
U.S. Government and agency securities maturing within one year, notes and  other
debt  securities of various maturities, and repurchase agreements collateralized
by these securities.  The Portfolio also  may invest without  limitation in  any
combination  of high  quality domestic  or foreign  money market  instruments if
deemed appropriate  by  the  subadviser  for  temporary  defensive  purposes  in
response to unusual market and economic conditions. See "Short-Term Instruments"
below. To the extent described below under "Additional Investment Strategies and
Techniques;  Risk  Factors," the  Portfolio also  may  purchase shares  of other
investment companies and  may engage  in other  investment practices,  including
repurchase  agreements,  securities  lending,  forward  currency  contracts  and
futures contracts and options.
 
    Foreign equity  securities purchased  by the  Portfolio may  include  common
stock,  preferred stock, securities convertible  into common or preferred stock,
and warrants  issued  by  companies  domiciled  outside  of  the  United  States
("foreign  issuers"),  and shares  of U.S  registered investment  companies that
invest primarily in foreign securities.  The Portfolio may purchase  when-issued
securities  otherwise  eligible for  purchase by  the  Portfolio and  may invest
indirectly  in  the  securities  of   foreign  issuers  through  sponsored   and
unsponsored  American Depository Receipts ("ADRs"), European Depository Receipts
("EDRs") and similar securities of foreign issuers.
 
    Convertible debt  securities  purchased  by  the  Portfolio  will  be  rated
investment grade by Moody's or S&P if such a rating is available. If unrated, as
is  the case with most foreign securities, convertible debt securities purchased
by the Portfolio will be deemed to be comparable in quality to securities  rated
investment  grade pursuant to procedures established by the Board of Trustees of
the Portfolio Series. With respect to securities rated Baa by Moody's or BBB  by
S&P (the lowest of the top four investment rankings), or deemed to be comparable
in  quality to such securities, interest  and principal payments are regarded as
adequate for  the  present;  however,  these  securities  may  have  speculative
characteristics,  and changes in economic  conditions or other circumstances are
more likely  to lead  to a  weakened  capacity to  make interest  and  principal
payments than is the case with higher grade bonds.
 
                                       19
<PAGE>
    The Portfolio may purchase securities both on recognized stock exchanges and
in over-the-counter markets. Most portfolio transactions will be effected in the
primary  trading market for the given security. The Portfolio also may invest up
to 5% of its total assets in gold bullion. Investments in gold will not  produce
dividends  or  interest  income,  and  the  Portfolio  can  look  only  to price
appreciation for a return on such investments.
 
    The relative performance of  foreign currencies is  an important element  in
the  Portfolio's performance. Although  the subadviser does  not expect to hedge
foreign currency exposure on a routine basis, it may do so when it has a  strong
view  on  the  prospects for  a  particular currency.  Certain  currency hedging
techniques that  may  be employed  by  the  subadviser are  described  below  in
"Additional Investment Strategies and Techniques; Risk Factors: Foreign Currency
and Exchange Transactions." Although such techniques may reduce the risk of loss
to the Portfolio from adverse movements in foreign exchange rates, they also may
limit possible gains from favorable movements in such rates.
 
    The  Portfolio is designed for investors who desire to achieve international
diversification of  their investments  by  participating in  foreign  securities
markets.  Because international investments generally  involve risks in addition
to those associated with investments in the United States, the Portfolio  should
be  considered only  as a  vehicle for  international diversification  and not a
complete investment program. Before investing in the Portfolio, investors should
be familiar with the risks associated with foreign investments. These risks  are
discussed  below under  "Additional Investment  Strategies and  Techniques; Risk
Factors."
 
ADDITIONAL INVESTMENT STRATEGIES AND TECHNIQUES; RISK FACTORS
 
    The Equity, Income, Total Return  Bond, Small Cap, Balanced, Equity  Growth,
Value  Equity  Income  and International  Equity  Portfolios  (collectively, the
"Managed  Portfolios"),  and  the  Equity  Market  and  Bond  Market  Portfolios
(collectively,  the "Index  Portfolios"), may  utilize the  following investment
strategies and techniques, as described below.
 
    SAMPLING AND TRADING  IN THE INDEX  PORTFOLIOS.  The  Bond Market  Portfolio
will be unable to hold all of the individual issues which comprise the Aggregate
Bond  Index because  of the  large number  of securities  involved. Instead, the
Portfolio will hold a representative sample of securities, selecting one or  two
issues  to represent entire  classes or types  of securities in  the index. This
sampling technique  is  expected  to  be an  effective  means  of  substantially
duplicating the income and capital returns provided by the index.
 
    To  reduce transaction costs, the Index Portfolios' securities holdings will
not be automatically traded or re-balanced  to reflect changes in an index.  The
Index  Portfolios will  seek to  buy round  lots of  stocks and  may trade large
blocks of securities. These policies may cause a particular security to be over-
or under-represented in a Portfolio relative to its index weighing or result  in
its  continued  ownership by  a  Portfolio after  its  deletion from  the index,
thereby reducing the correlation between the Portfolio and the index. The  Index
Portfolios  are  not  required to  buy  or  sell securities  solely  because the
percentage of  their assets  invested  in index  securities changes  when  their
market  values increase or decrease. In  addition, the Index Portfolios may omit
or remove  index securities  from their  portfolios if  the investment  managers
believe  the security to  be insufficiently liquid  or believe the  merit of the
investment has been substantially impaired by extraordinary events or  financial
conditions.  Over the long term, the investment managers of the Index Portfolios
seek a correlation of  0.95 or better. See  "U.S. Trust's Investment  Philosophy
and Strategies -- Equity Market Portfolio and Bond Market Portfolio" above.
 
                                       20
<PAGE>
    INVESTMENTS  BELOW INVESTMENT GRADE.  As discussed above, investments by the
Income and the Total Return Bond Portfolios in obligations rated below the  four
highest ratings of S&P and Moody's (commonly called "junk bonds") have different
risks  than investments in  securities that are rated  investment grade. Risk of
loss upon default by the  borrower is significantly greater because  lower-rated
securities are generally unsecured and are often subordinated to other creditors
of  the  issuer,  and  because  the  issuers  frequently  have  high  levels  of
indebtedness and  are more  sensitive to  adverse economic  conditions, such  as
recessions,  individual  corporate developments  and increasing  interest rates,
than are  investment  grade issuers.  As  a result,  the  market price  of  such
securities,  and the net asset value of  the Income and Total Return Bond Funds'
Shares,  may  be  particularly   volatile.  Additional  risks  associated   with
lower-rated fixed-income securities are (a) the relative youth and growth of the
market  for such securities, (b) the  sensitivity of such securities to interest
rate and economic changes, (c) the  lower degree of protection of principal  and
interest  payments,  (d) the  relatively low  trading  market liquidity  for the
securities, (e) the  impact that  legislation may have  on the  high yield  bond
market  (and,  in  turn,  on  the Portfolios'  net  asset  value  and investment
practices), (f)  the  operation of  mandatory  sinking fund  or  call/redemption
provisions during periods of declining interest rates whereby a Portfolio may be
required  to reinvest premature redemption  proceeds in lower yielding portfolio
securities, and  (g) the  creditworthiness of  the issuers  of such  securities.
During  an economic  downturn or  substantial period  of rising  interest rates,
highly leveraged issuers may experience  financial stress which would  adversely
affect   their  ability  to   service  their  principal   and  interest  payment
obligations,  to  meet  projected  business  goals  and  to  obtain   additional
financing.  An economic downturn  could also disrupt  the market for lower-rated
bonds generally and  adversely affect  the value  of outstanding  bonds and  the
ability  of the  issuers to  repay principal  and interest.  If the  issuer of a
lower-rated debt obligation held by  a Portfolio defaulted, the Portfolio  could
incur  additional  expenses to  seek  recovery. Adverse  publicity  and investor
perceptions, whether or not based on fundamental analysis, may also decrease the
values and liquidity of  lower-rated securities, especially  in a thinly  traded
market.  Finally, a  Portfolio's trading  in fixed-income  securities to achieve
capital appreciation entails risks  that capital losses  rather than gains  will
result.
 
    Debt  obligations rated "BB", "B" or "CCC"  by S&P are regarded, on balance,
as predominately speculative with respect to capacity to pay interest and  repay
principal  in accordance with  the terms of the  obligation. "BB" represents the
lowest degree of speculation  and "C" the highest  degree of speculation.  While
such  debt will likely  have some quality  and protective characteristics, these
are outweighed  by  large  uncertainties  or major  risk  exposures  to  adverse
conditions.  The rating "CC" is typically applied to debt subordinated to senior
debt that is assigned an actual or implied "CCC" debt rating. The rating "C"  is
applied  to debt subordinated  to a senior  debt which is  assigned an actual or
implied "CCC-" rating. The "C" rating may  be used to cover a situation where  a
bankruptcy  petition has  been filed, but  debt service  payments are continued.
Debt obligations  rated "D"  are in  default, and  payments of  interest  and/or
repayment  of principal are in arrears. The  ratings from "AA" through "CCC" are
sometimes modified by  the addition of  a plus  or minus sign  to show  relative
standing   within   the  major   rating  categories.   Moody's  has   a  similar
classification  scheme   for  non-investment   grade  debt   obligations.   Debt
obligations rated "Ba", "B", "Caa", "Ca" and "C" provide questionable protection
of  interest and principal. The rating "Ba" indicates that a debt obligation has
some speculative characteristics.  The rating  "B" indicates a  general lack  of
characteristics  of desirable  investment. Debt  obligations rated  "Caa" are of
poor  quality,  while  debt  obligations   rated  "Ca"  are  considered   highly
speculative.  "C" represents the lowest rated class of debt obligations. Moody's
applies numerical modifiers 1, 2 and 3 in each generic classification from  "Aa"
to  "B" in its  bond rating system.  The modifier "1"  indicates that a security
ranks in the higher end of its rating
 
                                       21
<PAGE>
category; the modifier "2"  reflects a mid-range ranking;  and the modifier  "3"
indicates  that  the security  ranks  at the  lower  end of  its  generic rating
category. See the Appendix to the Statement of Additional Information for a more
detailed explanation of these ratings.
 
    CONVERTIBLE SECURITIES.   The Managed  Portfolios may  invest in  investment
grade  convertible securities of  domestic and foreign  issuers, although in the
current fiscal  year the  Small Cap  Portfolio  has no  intention to  invest  in
convertible securities of foreign issuers. See "Value Equity Income Portfolio --
Fixed Income Investments" for an explanation of investment grade ratings of debt
securities,  including  convertible  securities. The  convertible  securities in
which the Portfolios may invest include  any debt securities or preferred  stock
which  may be converted into  common stock or which  carry the right to purchase
common  stock.  Convertible  securities  entitle  the  holder  to  exchange  the
securities for a specified number of shares of common stock, usually of the same
company, at specified prices within a certain period of time.
 
    WHEN-ISSUED  AND DELAYED DELIVERY  SECURITIES.  The  Portfolios may purchase
securities on a  "when-issued" basis and  may purchase or  sell securities on  a
"forward  commitment" basis  in order  to hedge  against anticipated  changes in
interest rates  and  prices.  These  transactions  involve  a  commitment  by  a
Portfolio  to purchase or  sell particular securities  with payment and delivery
taking place in the future, beyond the normal settlement date, at a stated price
and yield. Securities purchased on a forward commitment or when-issued basis are
recorded as an asset and are subject  to changes in value based upon changes  in
the  general level of interest rates. When such transactions are negotiated, the
price, which is generally  expressed in yield  terms, is fixed  at the time  the
commitment  is made, but delivery and payment for the securities take place at a
later date. When-issued securities and forward commitments may be sold prior  to
the  settlement date,  but a Portfolio  will enter into  when-issued and forward
commitments only  with the  intention of  actually receiving  or delivering  the
securities,  as  the  case may  be.  At the  time  the Portfolio  enters  into a
transaction on a when-issued or  forward commitment basis, a segregated  account
consisting  of cash or high  grade liquid debt securities  equal to the value of
the when-issued  or  forward  commitment  securities  will  be  established  and
maintained.  There is a risk  that the securities may  not be delivered and that
the Portfolio may incur a loss.
 
    In addition, the  Income and the  Total Return Bond  Portfolios may  acquire
"stand-by  commitments" with  respect to Municipal  Bonds held by  them. Under a
stand-by commitment,  a  dealer  agrees  to purchase  at  a  Portfolio's  option
specified  Municipal Bonds  at a  specified price.  The Portfolios  will acquire
stand-by commitments solely to facilitate portfolio liquidity and do not  intend
to   exercise  their  rights  thereunder   for  speculative  purposes.  Stand-by
commitments acquired by a  Portfolio will be valued  at zero in determining  the
Portfolio's net asset value.
 
    REPURCHASE  AGREEMENTS.   Each of  the Portfolios  may engage  in repurchase
agreement transactions  with brokers,  dealers  or banks  that meet  the  credit
guidelines  established by the Trustees of the Portfolio Series. In a repurchase
agreement, a  Portfolio  buys  a security  from  a  seller that  has  agreed  to
repurchase  it at a mutually agreed upon date and price, reflecting the interest
rate effective for the term  of the agreement. The  term of these agreements  is
usually  from overnight to one  week. A repurchase agreement  may be viewed as a
fully collateralized loan of money by the Portfolio to the seller. The Portfolio
always receives securities as collateral with  a market value at least equal  to
the  purchase price plus  accrued interest, and this  value is maintained during
the term  of the  agreement. If  the seller  defaults and  the collateral  value
declines,  the  Portfolio  might incur  a  loss. If  bankruptcy  proceedings are
commenced with
 
                                       22
<PAGE>
respect to  the seller,  the  Portfolio's realization  upon the  disposition  of
collateral  may  be  delayed  or  limited.  Investments  in  certain  repurchase
agreements and certain other  investments which may  be considered illiquid  are
limited.  See  "Illiquid Investments;  Privately  Placed and  other Unregistered
Securities" below.
 
    REVERSE REPURCHASE  AGREEMENTS.   Each  Portfolio may  borrow funds,  in  an
amount  up  to one-third  of the  value of  its total  assets, for  temporary or
emergency purposes, such as meeting larger than anticipated redemption requests,
and not for leverage. Each Portfolio may also agree to sell portfolio securities
to financial institutions  such as  banks and broker-dealers  and to  repurchase
them at a mutually agreed date and price (a "reverse repurchase agreement"). The
SEC  views reverse repurchase agreements  as a form of  borrowing. At the time a
Portfolio enters  into  a reverse  repurchase  agreement,  it will  place  in  a
segregated custodial account cash, U.S. Government securities or high-grade debt
obligations  having a  value equal  to the  repurchase price,  including accrued
interest. Reverse repurchase agreements involve  the risk that the market  value
of  the securities sold by the Portfolio  may decline below the repurchase price
of those securities.
 
    INVESTMENT COMPANY SECURITIES.   In  connection with the  management of  its
daily  cash positions, each  Portfolio may invest in  securities issued by other
investment companies which  invest in high  quality, short-term debt  securities
and  which determine their net asset value per share based on the amortized cost
or penny-rounding method. The International  Equity Portfolio may also  purchase
shares  of  investment  companies  investing  primarily  in  foreign securities,
including so-called "country funds"  which have portfolios consisting  primarily
of  securities of  issuers located  in one foreign  country. In  addition to the
advisory fees and other expenses a  Portfolio bears directly in connection  with
its  own operations, as a shareholder of another investment company, a Portfolio
would bear its pro rata portion of the other investment company's advisory  fees
and  other  expenses.  As  such,  the  corresponding  Fund's  shareholders would
indirectly bear the  expenses of the  other investment company,  some or all  of
which  would  be duplicated.  Securities of  other  investment companies  may be
acquired by the Portfolios to the extent permitted under the 1940 Act, that  is,
a  Portfolio may invest a maximum of up to 10% of its total assets in securities
of other  investment  companies  so long  as  not  more than  3%  of  the  total
outstanding voting stock of any one investment company is held by any Portfolio.
In addition, not more than 5% of the Portfolio's total assets may be invested in
the securities of any one investment company.
 
    FOREIGN  INVESTMENTS.    In  accordance  with  their  respective  investment
objectives and policies, the  Equity, Balanced, Equity  Growth and Value  Equity
Income  Portfolios  may  invest,  and the  International  Equity  Portfolio will
invest, in common stocks  of foreign corporations, and  each of such  Portfolios
and  the  Income and  Total  Return Bond  Portfolios  may invest  in convertible
securities of foreign corporations as well as fixed income securities of foreign
government and corporate issuers. Other than the International Equity Portfolio,
which will invest under  normal market and economic  conditions at least 75%  of
its total assets in foreign securities, none of the Portfolios expects to invest
more  than 30% (25% in the case of  the Income and Total Return Bond Portfolios)
of their  respective total  assets at  the  time of  purchase in  securities  of
foreign issuers.
 
    All  investments, domestic or foreign,  involve certain risks. Investment in
securities of  foreign  issuers,  and  in obligations  of  foreign  branches  or
subsidiaries  of domestic  or foreign  banks, may  involve risks  in addition to
those normally associated with  investments in the  securities of U.S.  issuers.
Overall,  there may  be limited publicly  available information  with respect to
foreign issuers, and there may be less supervision of
 
                                       23
<PAGE>
foreign stock exchanges  and market  participants such as  brokers and  issuers.
Moreover,  available information may not be as reliable as information regarding
U.S. companies,  because  foreign  issuers  often are  not  subject  to  uniform
accounting,  auditing  and financial  standards  and requirements  comparable to
those applicable to U.S. companies.
 
    Dividends and interest paid by foreign issuers may be subject to withholding
and other foreign taxes. To the extent that such taxes are not offset by credits
or deductions allowed to investors under  the Federal income tax laws, they  may
reduce the net return to investors. See "Tax Matters" below.
 
    Investors  should realize  that the  value of  a Portfolio's  investments in
foreign securities may be adversely affected  by changes in political or  social
conditions,   diplomatic   relations,   confiscatory   taxation,  expropriation,
nationalization, limitation on the removal of funds or assets, or imposition  of
(or changes in) exchange controls or tax regulations in those foreign countries.
In  addition,  changes in  government  administrations or  economic  or monetary
policies in  the  United  States  or abroad  could  result  in  appreciation  or
depreciation of portfolio securities and could favorably or unfavorably affect a
Portfolio's  operations. The economies of  individual foreign nations may differ
from the U.S. economy in areas such as growth of gross national product, rate of
inflation,  capital  reinvestment,  resource  self-sufficiency  and  balance  of
payments  position;  it may  also  be more  difficult  to obtain  and  enforce a
judgment against a foreign issuer. Any  foreign investments made by a  Portfolio
must  be made in compliance with U.S.  and foreign currency restrictions and tax
laws restricting the amounts and types of foreign investments.
 
    While the volume  of transactions  effected on foreign  stock exchanges  has
increased  in recent years, in  most cases it remains  appreciably below that of
domestic security exchanges. Accordingly, a Portfolio's foreign investments  may
be less liquid and their prices may be more volatile than comparable investments
in  securities of U.S.  companies. Moreover, the  settlement periods for foreign
securities, which are often  longer than those for  securities of U.S.  issuers,
may affect portfolio liquidity.
 
    The  costs attributable to investing abroad are usually higher than those of
funds investing in domestic securities for  several reasons, such as the  higher
cost  of  investment research,  higher cost  of  custody of  foreign securities,
higher commissions  paid  on  comparable transactions  on  foreign  markets  and
additional  costs arising from  delays in settlements  of transactions involving
foreign securities.
 
    The Portfolios may invest  in securities of foreign  issuers directly or  in
the  form of American Depository Receipts ("ADRs"), European Depository Receipts
("EDRs") or other similar  securities of foreign  issuers. These securities  may
not  necessarily  be denominated  in the  same currency  as the  securities they
represent. ADRS are receipts  typically issued by a  U.S. bank or trust  company
which  evidence  ownership of  the underlying  foreign securities.  Certain such
institutions issue  ADRs  which  may not  be  sponsored  by the  issuer  of  the
underlying  foreign securities. A  non-sponsored depository may  not provide the
same shareholder information that a sponsored depository is required to  provide
under  its contractual  arrangements with the  issuer of  the underlying foreign
securities. EDRs  are  receipts  issued  by  a  European  financial  institution
evidencing  a  similar arrangement.  Generally,  ADRs, in  registered  form, are
designed for use in the U.S. securities  markets, and EDRs, in bearer form,  are
designed for use in European securities markets.
 
    Changes  in foreign exchange rates will affect  the value in U.S. dollars of
all foreign  currency-denominated securities  held by  the Portfolios.  Exchange
rates are influenced generally by the forces of supply and demand in the foreign
currency  markets and by  numerous other political and  economic events, many of
which may be difficult, if not impossible, to predict.
 
                                       24
<PAGE>
    FOREIGN CURRENCY EXCHANGE TRANSACTIONS.  In accordance with their respective
investment objectives  and  policies, the  Equity,  Income, Total  Return  Bond,
Balanced, Equity Growth and Value Equity Income Portfolios may buy and sell, and
the  International Equity Portfolio  will buy and  sell, securities (and receive
interest and  dividends proceeds)  in  currencies other  than the  U.S.  dollar.
Therefore,  these Portfolios may  enter from time to  time into foreign currency
exchange transactions. The Portfolios will either enter into these  transactions
on a spot (I.E., cash) basis at the spot rate prevailing in the foreign currency
exchange   market,  or  use  forward  contracts  to  purchase  or  sell  foreign
currencies. The cost of a  Portfolio's spot currency exchange transactions  will
generally  be the difference between the bid and offer spot rate of the currency
being purchased or sold.
 
    A forward foreign currency exchange contract is an obligation by a Portfolio
to purchase or sell a specific currency at a future date, which may be any fixed
number of days from the date of the contract. Forward foreign currency  exchange
contracts  establish  an exchange  rate at  a future  date. These  contracts are
transferable in the interbank market directly between currency traders  (usually
large commercial banks) and their customers. A forward foreign currency exchange
contract  generally has  no deposit  requirement, and is  traded at  a net price
without commission. The  Portfolios will  not enter into  forward contracts  for
speculative  purposes. Neither  spot transactions  nor forward  foreign currency
exchange contracts  eliminate  fluctuations  in  the  prices  of  a  Portfolio's
securities  or in foreign exchange rates, or prevent loss if the prices of these
securities should decline.
 
    The Portfolios may enter into  foreign currency exchange transactions in  an
attempt  to protect against  changes in foreign  currency exchange rates between
the  trade  and  settlement  dates   of  specific  securities  transactions   or
anticipated  securities transactions. The Portfolios may also enter into forward
contracts to hedge  against a  change in  foreign currency  exchange rates  that
would  cause  a decline  in  the value  of  existing investments  denominated or
principally traded in a  foreign currency. To do  this, a Portfolio would  enter
into  a forward contract to sell the foreign currency in which the investment is
denominated or principally traded  in exchange for U.S.  dollars or in  exchange
for another foreign currency. A Portfolio will only enter into forward contracts
to  sell a  foreign currency  in exchange  for another  foreign currency  if its
respective subadviser  expects  the  foreign currency  purchased  to  appreciate
against the U.S. dollar.
 
    Although these transactions are intended to minimize the risk of loss due to
a  decline in the value of the hedged  currency, at the same time they limit any
potential gain that might  be realized should the  value of the hedged  currency
increase.  In addition, forward  contracts that convert  a foreign currency into
another  foreign  currency  will  cause  a  Portfolio  to  assume  the  risk  of
fluctuations  in  the value  of  the currency  purchased  vis a  vis  the hedged
currency and  the U.S.  dollar. The  precise matching  of the  forward  contract
amounts  and the value of the securities involved will not generally be possible
because the future value of such securities in foreign currencies will change as
a consequence of market  movements in the value  of such securities between  the
date  the  forward  contract  is  entered into  and  the  date  it  matures. The
projection  of  currency  market  movements  is  extremely  difficult,  and  the
successful execution of a hedging strategy is highly uncertain.
 
    FUTURES  CONTRACTS AND  OPTIONS.  Each  Portfolio may purchase  put and call
options  on  securities,  indices  of  securities  and  futures  contracts.  The
Portfolios  may also purchase  and sell futures  contracts. Futures contracts on
securities and securities  indices will  be used primarily  to accommodate  cash
flows or in anticipation of taking a market position when, in the opinion of the
investment   managers,  available  cash  balances  do  not  permit  economically
efficient purchases of securities.  Moreover, a Portfolio  may sell futures  and
options  to "close out" futures and options  it may have purchased or to protect
against a decrease in the
 
                                       25
<PAGE>
price of securities it owns but intends  to sell. The Index Portfolios will  not
invest  in futures or options as part of a defensive strategy to protect against
potential  stock  market  declines.  The  Managed  Portfolios  may  use  futures
contracts  and options for  both hedging and  risk management purposes, although
not for speculation. See "Futures Contracts and Options on Futures Contracts" in
the Statement of Additional Information.
 
    The Portfolios may (a) purchase exchange  traded and over the counter  (OTC)
put  and call options on securities and  indexes of securities, (b) purchase and
sell futures contracts on securities and indexes of securities and (c)  purchase
put  and  call  options  on  futures  contracts  on  securities  and  indexes of
securities. In addition, the Portfolios may sell (write) exchange traded and OTC
put and call  options on  securities and indexes  of securities  and on  futures
contracts  on securities  and indexes  of securities. The  staff of  the SEC has
taken the position that OTC options  are illiquid and, therefore, together  with
other  illiquid  securities  held  by  a Portfolio,  cannot  exceed  15%  of the
Portfolio's net assets. The Portfolios intend to comply with this limitation.
 
    The Portfolios  may  use  options  and futures  contracts  to  manage  their
exposure  to changing  interest rates and/or  security prices.  Some options and
futures strategies, including selling futures contracts and buying puts, tend to
hedge a Portfolio's  investments against price  fluctuations. Other  strategies,
including  buying futures contracts,  writing puts and  calls, and buying calls,
tend to increase market exposure. Options and futures contracts may be  combined
with each other or with forward contracts in order to adjust the risk and return
characteristics of a Portfolio's overall strategy in a manner deemed appropriate
by  the Portfolio's  investment managers and  consistent with  its objective and
policies. Because  combined  options  positions involve  multiple  trades,  they
result  in higher transaction costs and may  be more difficult to open and close
out.
 
    The use  of options  and  futures is  a  highly specialized  activity  which
involves  investment strategies and  risks different from  those associated with
ordinary portfolio securities transactions, and  there can be no guarantee  that
their  use will increase a Portfolio's return. While the use of these techniques
by a Portfolio  may reduce certain  risks associated with  owning its  portfolio
securities,   these  investments  entail  certain   other  risks.  If  Portfolio
investment managers apply a  strategy at an inappropriate  time or judge  market
conditions  or trends  incorrectly, options and  futures strategies  may lower a
Portfolio's return.  Certain strategies  limit  a Portfolio's  possibilities  to
realize  gains as well as  limit its exposure to  losses. A Portfolio could also
experience losses if the prices of its options and futures positions were poorly
correlated with  its  other  investments, or  if  it  could not  close  out  its
positions because of an illiquid secondary market. In addition, a Portfolio will
incur  transaction costs, including trading  commissions and option premiums, in
connection with  its futures  and options  transactions and  these  transactions
could significantly increase the Portfolio's turnover rate. For more information
on these investment techniques, see the Statement of Additional Information.
 
    Each  of  the Portfolios  may  purchase and  sell  put and  call  options on
securities, indexes of securities  and futures contracts,  or purchase and  sell
futures  contracts, only if such options are written by other persons and if (i)
the aggregate premiums paid on  all such options which are  held at any time  do
not  exceed 20% of a Portfolio's total net assets, and (ii) the aggregate margin
deposits required on all such futures or options thereon held at any time do not
exceed 5% of a Portfolio's total assets. None of the Portfolios has any  current
intention  of purchasing futures contracts or  investing in put and call options
on securities, indexes of  securities, or futures contracts  if more than 5%  of
its net assets would be at risk from such transactions.
 
                                       26
<PAGE>
    ILLIQUID    INVESTMENTS;   PRIVATELY    PLACED   AND    OTHER   UNREGISTERED
SECURITIES.  Each Portfolio  may acquire investments that  are illiquid or  have
limited  liquidity,  such  as private  placements  or investments  that  are not
registered under the Securities  Act of 1933, as  amended (the "1933 Act"),  and
cannot  be offered  for public  sale in  the United  States without  first being
registered under the  1933 Act. An  illiquid investment is  any investment  that
cannot  be disposed  of within seven  days in  the normal course  of business at
approximately the amount at  which it is  valued by the  Portfolio. The price  a
Portfolio pays for illiquid securities or receives upon resale may be lower than
the  price paid or  received for similar  securities with a  more liquid market.
Accordingly the valuation of  these securities will  reflect any limitations  on
their liquidity.
 
    Acquisitions  of illiquid investments  by the Portfolios  are subject to the
following non-fundamental policies. Each Portfolio may not invest in  additional
illiquid  securities if, as a  result, more than 15% of  the market value of its
net assets would be invested in illiquid securities. Each of the Portfolios  may
also  purchase  Rule 144A  securities  sold to  institutional  investors without
registration under the 1933 Act. These securities may be determined to be liquid
in accordance with guidelines established  by the Portfolio investment  managers
and  approved by the Trustees. The Trustees of the Portfolio Series will monitor
the implementation of these guidelines on a periodic basis. Because Rule 144A is
relatively new,  it  is  not  possible  to predict  how  markets  in  Rule  144A
securities  will develop.  If trading in  Rule 144A securities  were to decline,
these securities could  become illiquid  after being  purchased, increasing  the
level  of illiquidity  of a  Portfolio. As a  result, a  Portfolio holding these
securities might  not be  able  to sell  these  securities when  the  investment
manager wishes to do so, or might have to sell them at less than fair value.
 
    SHORT-TERM  INSTRUMENTS.   Each  Portfolio may  invest in  short-term income
securities in accordance with its investment objective and policies as described
above. The  Portfolios may  also  make money  market investments  pending  other
investments  or  settlement,  or  to  maintain  liquidity  to  meet  shareholder
redemptions. Although the Index Portfolios normally seek to remain substantially
fully invested  in  securities  selected  to  match  their  corresponding  index
consistent  with  seeking  a correlation  of  0.95  or better  between  an Index
Portfolio's performance and that of its corresponding index, an Index  Portfolio
may  invest temporarily  up to  20% of  its assets  in certain  short-term fixed
income  securities.  The  Index  Portfolios   will  not  invest  in   short-term
instruments  as part of a defensive  strategy to protect against potential stock
market declines.  Each of  the  Managed Portfolios  is  permitted to  invest  in
short-term instruments, although each intends to stay invested in the equity and
fixed income instruments described above to the extent practical in light of its
respective  objective  and  long-term investment  perspective.  In  addition, in
adverse market conditions and for temporary defensive purposes only, the Managed
Portfolios may temporarily invest their respective assets without limitation  in
short-term  investments.  These  securities  include:  obligations  of  the U.S.
Government and its  agencies or  instrumentalities; commercial  paper and  other
debt  securities;  variable  and  floating  rate  securities;  bank obligations;
repurchase agreements  collateralized  by  these  securities;  shares  of  other
investment  companies  that  primarily  invest in  any  of  the above-referenced
securities; and, in  the case of  the International Equity  Portfolio, cash  and
bank instruments denominated in foreign currencies. Commercial paper consists of
short-term,  unsecured  promissory  notes issued  to  finance  short-term credit
needs. Other corporate obligations in which the Portfolios may invest consist of
high quality,  U.S. dollar-denominated  short-term  bonds and  notes  (including
variable   amount  master   demand  notes)   issued  by   domestic  and  foreign
corporations. The  Portfolios may  invest in  commercial paper  issued by  major
corporations  in reliance on the exemption from registration afforded by Section
3(a)(3) of the 1933 Act. Such
 
                                       27
<PAGE>
commercial paper may  be issued only  to finance current  transactions and  must
mature  in nine months  or less. Trading  of such commercial  paper is conducted
primarily by institutional investors through investment dealers, and  individual
investor participation in the commercial paper market is very limited.
 
    Each  Portfolio  may  invest  in  U.S.  dollar-denominated  certificates  of
deposit, time deposits,  bankers' acceptances and  other short-term  obligations
issued  by domestic  banks and domestic  or foreign branches  or subsidiaries of
foreign  banks.  Certificates  of   deposit  are  certificates  evidencing   the
obligation  of a bank to repay funds deposited with it for a specified period of
time. Such instruments  include Yankee Certificates  of Deposit ("Yankee  CDs"),
which  are certificates of deposit denominated in U.S. dollars and issued in the
United States  by the  domestic branch  of  a foreign  bank. Time  deposits  are
non-negotiable  deposits  maintained in  a banking  institution for  a specified
period of time at a stated interest rate. Time deposits which may be held by the
Portfolios are not insured by the  Federal Deposit Insurance Corporation or  any
other   agency  of  the  U.S.  Government.   The  Portfolios  will  not  invest,
respectively, more than 15% of  the value of their  net assets in time  deposits
maturing  in  longer than  seven  days and  other  instruments which  are deemed
illiquid or not readily marketable. Bankers' acceptances are credit  instruments
evidencing  the obligation of a bank  to pay a draft drawn  on it by a customer.
These instruments reflect the obligation both of  the bank and of the drawer  to
pay  the  face amount  of  the instrument  upon  maturity. The  other short-term
obligations may include uninsured, direct  obligations which have either  fixed,
floating or variable interest rates.
 
    The  Portfolios  will  limit  their  short-term  investments  to  those U.S.
dollar-denominated instruments which are determined by or on behalf of the Board
of Trustees of the  Portfolio Series to present  minimal credit risks and  which
are  of "high quality" as determined by  a major rating service (i.e., rated P-1
by Moody's or A-1 by  S&P) or, in the case  of instruments which are not  rated,
are deemed to be of comparable quality pursuant to procedures established by the
Board  of  Trustees  of  the  Portfolio Series.  The  Portfolios  may  invest in
obligations of banks which at the  date of investment have capital, surplus  and
undivided  profits (as  of the date  of their most  recently published financial
statements) in excess of  $100 million. Investments  in high quality  short-term
instruments  may, in many circumstances,  result in a lower  yield than would be
available from investments in instruments with a lower quality or longer term.
 
    SECURITIES LENDING.   The Portfolios may  seek to increase  their income  by
lending   securities  to  banks,   brokers  or  dealers   and  other  recognized
institutional investors. Such loans  may not exceed  33 1/3% of  the value of  a
Portfolio's  total assets.  In connection with  such loans,  each Portfolio will
receive collateral consisting  of cash,  U.S. Government or  other high  quality
securities,  irrevocable letters of credit issued  by a bank, or any combination
thereof. Such collateral will be maintained at  all times in an amount equal  to
at  least 100% of the current market value of the loaned securities. A Portfolio
can increase  its  income  through  the  investment  of  such  collateral.  Such
Portfolio  continues to be entitled to payments in amounts equal to the interest
or dividends payable on the loaned  security, and in addition receives  interest
on  the amount  of the  loan. Such  loans will  be terminable  at any  time upon
specified notice. A Portfolio might experience  risk of loss if the  institution
with which it has engaged in a portfolio loan transaction breaches its agreement
with the Portfolio.
 
    SHORT  SALES  "AGAINST THE  BOX".   In  a short  sale,  a Portfolio  sells a
borrowed security and has a corresponding obligation to the lender to return the
identical security. A Portfolio may engage in short sales only if at the time of
the short sale it  owns or has the  right to obtain, at  no additional cost,  an
equal  amount of  the security  being sold  short. This  investment technique is
known as a short sale "against the box". A Portfolio may make a short sale as  a
hedge,   when  it  believes  that   the  value  of  a   security  owned  by  the
 
                                       28
<PAGE>
Portfolio (or  a security  convertible or  exchangeable for  such security)  may
decline,  or when  the Portfolio  wants to  sell the  security at  an attractive
current price but wishes to defer recognition of gain or loss for tax  purposes.
Not more than 40% of a Portfolio's total assets would be involved in short sales
"against the box".
 
    CERTAIN  OTHER  OBLIGATIONS.   Consistent  with their  respective investment
objectives, policies  and  restrictions,  the  Portfolios  may  also  invest  in
participation   interests,  guaranteed  investment  contracts  and  zero  coupon
obligations. See the Statement of Additional Information. In order to allow  for
investments in new instruments that may be created in the future, upon the Trust
supplementing  this Prospectus, a Portfolio may invest in obligations other than
those listed  previously,  provided such  investments  are consistent  with  the
Portfolio's  and  its corresponding  Fund's  investment objective,  policies and
restrictions.
 
    PORTFOLIO TURNOVER RATE.  Although the Managed Portfolios generally seek  to
invest  for the long term,  and the Index Portfolios  are managed to reflect the
composition of  their respective  indexes, each  Portfolio may  sell  securities
irrespective  of how long such securities have been held. Ordinarily, securities
will be sold  from an  Index Portfolio  only to  reflect certain  administrative
changes  in  its  corresponding  index  (including  mergers  or  changes  in its
composition) or to  accommodate cash flows  into and out  of an Index  Portfolio
while  maintaining the similarity of said Portfolio to its benchmark index. Each
Managed  Portfolio  may  sell  a  portfolio  investment  immediately  after  its
acquisition  if  the  investment managers  believe  that such  a  disposition is
consistent with the investment objective of the particular Portfolio.  Portfolio
investments  may be  sold for  a variety  of reasons,  such as  a more favorable
investment opportunity or  other circumstances  bearing on  the desirability  of
continuing to hold such investments.
 
    Portfolio  turnover  will  not  be a  limiting  factor  in  making portfolio
decisions for the Income  Portfolio and the Total  Return Bond Portfolio,  whose
annual  portfolio turnover  rates are  not expected  to exceed  400%. The annual
portfolio turnover rate for each other Portfolio is not expected to exceed 100%.
A rate of 100% indicates that the equivalent of all of a Portfolio's assets have
been sold and reinvested in a calendar  year. A high rate of portfolio  turnover
may  involve  correspondingly greater  brokerage  commission expenses  and other
transaction costs, which must be borne directly by a Portfolio and ultimately by
the corresponding Fund's shareholders. High portfolio turnover may result in the
realization of  substantial net  capital  gains. To  the extent  net  short-term
capital  gains are  realized, any  distributions resulting  from such  gains are
considered ordinary income for  Federal income tax  purposes. See "Tax  Matters"
below.
 
                                  *    *    *
 
    As diversified investment companies, 75% of the assets of each Portfolio are
represented   by  cash  and  cash   items  (including  receivables),  government
securities, securities of other investment companies, and other securities which
for purposes  of  this calculation  are  subject to  the  following  fundamental
limitations:  (a) the Portfolio may not invest  more than 5% of its total assets
in the securities of any one issuer, and (b) the Portfolio may not own more than
10% of the outstanding  voting securities of any  one issuer. In addition,  each
Portfolio  may not invest 25% or more of its assets in the securities of issuers
in any one industry, unless, for each of the Index Portfolios, the securities in
a single industry were to  comprise 25% or more  of its corresponding index,  in
which  case the Index  Portfolio will invest 25%  or more of  its assets in that
industry. These are fundamental investment policies of each Portfolio which  may
not be changed without investor approval.
 
    The  Statement  of  Additional Information  includes  further  discussion of
investment strategies  and  techniques,  and  a  listing  of  other  fundamental
investment restrictions and non-fundamental investment policies which govern the
investment  policies of each  Fund and its  corresponding Portfolio. Fundamental
investment restrictions may not  be changed, in the  case of each Fund,  without
the approval of that Fund's
 
                                       29
<PAGE>
shareholders  or, in  the case  of each Portfolio,  without the  approval of the
investors  in  that  Portfolio.  If  a  percentage  restriction  (other  than  a
restriction   as  to  borrowing)  or  a  rating  restriction  on  investment  or
utilization of assets is adhered to at the time an investment is made or  assets
are  so utilized,  a later  change in percentage  resulting from  changes in the
value of the securities held by a Portfolio or a later change in the rating of a
security held by a Portfolio is not considered a violation of the policy.
 
  SPECIAL INFORMATION CONCERNING HUB AND SPOKE-REGISTERED TRADEMARK- STRUCTURE
 
    Unlike other  mutual  funds which  directly  acquire and  manage  their  own
portfolios of securities, the Trust seeks to achieve the investment objective of
each  Fund  by  investing  all of  the  investable  assets of  the  Fund  in its
corresponding  Portfolio,  a  separate  series  of  St.  James  Portfolios  (the
"Portfolio  Series"), a  registered investment company.  Each Fund  has the same
investment objective and policies as its corresponding Portfolio. In addition to
selling a beneficial  interest to  a Fund,  each Portfolio  may sell  beneficial
interests  to other mutual funds or institutional investors. Such investors will
invest in  that Portfolio  on  the same  terms and  conditions  and will  pay  a
proportionate  share of that Portfolio's  expenses. However, the other investors
investing in a  Portfolio are not  required to  issue their shares  at the  same
public  offering  price as  the corresponding  Fund due  to variations  in sales
commissions and other operating expenses. Investors in each Fund should be aware
that these  differences may  result  in differences  in returns  experienced  by
investors in the different funds that invest in a Portfolio. Such differences in
returns are also present in other mutual fund structures. Information concerning
other  holders of interests  in each Portfolio  is available from  SFSI at (617)
423-0800.
 
    The investment objective of each Fund may be changed without the approval of
that Fund's shareholders, but not without written notice thereof to that  Fund's
shareholders  thirty  days prior  to implementing  the change.  If there  were a
change in a  Fund's investment objective,  shareholders should consider  whether
the  Fund  remains  an appropriate  investment  in light  of  their then-current
financial position and needs. The investment objective of each Portfolio may  be
changed without the approval of the investors in that Portfolio, but not without
written  notice thereof to  the investors in  that Portfolio (and  notice by the
Trust  to  shareholders  of  the  corresponding  Fund)  thirty  days  prior   to
implementing  the  change.  There  can,  of course,  be  no  assurance  that the
investment objective of  either a Fund  or its corresponding  Portfolio will  be
achieved.   See  "Investment  Restrictions"  in   the  Statement  of  Additional
Information for  a  description  of  the  fundamental  investment  policies  and
restrictions  of each Portfolio and Fund that cannot be changed without approval
by the holders of a "majority of the outstanding voting securities" (as  defined
in  the Investment  Company Act of  1940, as  amended (the "1940  Act")) of that
Portfolio or  Fund.  Except  as stated  otherwise,  all  investment  objectives,
policies,  strategies and restrictions described herein  and in the Statement of
Additional Information are non-fundamental.
 
    Smaller funds investing  in a Portfolio  may be materially  affected by  the
actions of larger funds investing in the Portfolio. For example, if a large fund
withdraws  from a Portfolio, the remaining  funds may experience higher pro rata
operating expenses, thereby producing  lower returns. Additionally, a  Portfolio
may  become less diverse, resulting in  increased portfolio risk. (However, this
possibility also exists for traditionally  structured funds which have large  or
institutional  investors.) Also,  funds with a  greater pro rata  ownership in a
Portfolio  could  have  effective  voting  control  of  the  operations  of  the
Portfolio.  Whenever the Trust is  requested to vote on  matters pertaining to a
Portfolio (other  than  a vote  by  a Fund  to  continue the  operation  of  its
corresponding  Portfolio  upon  the  withdrawal  of  another  investor  in  such
Portfolio), the Trust will hold a  meeting of shareholders of the  corresponding
Fund  and will cast all of its votes in  the same proportion as the votes of the
Fund's shareholders.  Fund shareholders  who do  not vote  will not  affect  the
 
                                       30
<PAGE>
Trust's  votes at  the Portfolio  meeting. The  percentage of  the Trust's votes
representing Fund  shareholders not  voting will  be voted  by the  Trustees  or
officers  of the Trust  in the same  proportion as Fund  shareholders who do, in
fact, vote. Certain changes in  a Portfolio's investment objective, policies  or
restrictions  may  require  the  Trust  to  withdraw  the  corresponding  Fund's
investment in the Portfolio. Any such withdrawal could result in a  distribution
in  kind of  portfolio securities  (as opposed to  a cash  distribution from the
Portfolio). If securities are distributed,  the Fund could incur brokerage,  tax
or  other  charges  in  converting  the securities  to  cash.  In  addition, the
distribution in kind may result in  a less diversified portfolio of  investments
or  adversely affect the liquidity of the Fund. Notwithstanding the above, there
are other means for meeting shareholder redemption requests, such as borrowing.
 
    The Trust  may withdraw  the investment  of a  Fund from  its  corresponding
Portfolio  at any time, if the Board of Trustees of the Trust determines that it
is in the best  interests of the Fund  to do so. Upon  any such withdrawal,  the
Board  of  Trustees of  the Trust  would  consider what  action might  be taken,
including investing all of the investable assets of such Fund in another  pooled
investment  entity having the same investment objective and policies as the Fund
or retaining an  investment adviser to  manage the Fund's  assets in  accordance
with the investment policies described above with respect to the Portfolio.
 
    For  descriptions of the investment objectives, policies and restrictions of
the Portfolios,  see "Investment  Objectives  and Policies"  herein and  in  the
Statement  of Additional Information. For descriptions  of the management of the
Portfolios, see "Management of the Trust and Portfolio Series" herein and in the
Statement of Additional  Information. For  descriptions of the  expenses of  the
Portfolios,  see "Management of  the Trust and  Portfolio Series" and "Expenses"
below.
 
                               PRICING OF SHARES
 
    The net asset value of each Fund  is determined and the shares of each  Fund
(the  "Shares") are priced for purchases and redemptions at the close of regular
trading hours on the New York  Stock Exchange (the "NYSE"), currently 4:00  p.m.
(Eastern time). Net asset value and pricing for each Fund are determined on each
day  the NYSE is open for trading ("Business Day"). Currently, the days on which
the Funds are closed (other than weekends) are New Year's Day, Presidents'  Day,
Good   Friday,  Memorial  Day,  Independence   Day,  Labor  Day,  Columbus  Day,
Thanksgiving Day  and Christmas.  Net  asset value  per  Share for  purposes  of
pricing  sales  and  redemptions is  calculated  by  dividing the  value  of all
securities and other assets belonging to a Fund, less the liabilities charged to
the Fund, by the number of its outstanding Shares.
 
    Assets in the  Portfolios which are  traded on a  recognized domestic  stock
exchange  are valued at the last sale  price on the securities exchange on which
such securities are primarily  traded or at  the last sale  price on a  national
securities market. Securities traded only on over-the-counter markets are valued
on  the basis of closing over-the-counter bid prices. Securities for which there
were no transactions are valued at the average of the most recent bid and  asked
prices.  Restricted securities, securities  for which market  quotations are not
readily available,  and other  assets  are valued  at  fair value,  pursuant  to
guidelines  adopted by the  Portfolio Series' Board  of Trustees. Absent unusual
circumstances, debt  securities  maturing in  60  days  or less  are  valued  at
amortized cost.
 
    Portfolio  securities  which  are  primarily  traded  on  foreign securities
exchanges  are  generally  valued  at  the  preceding  closing  values  of  such
securities  on their respective exchanges, except  that when an event subsequent
to the time when value was so established is likely to have changed such  value,
then  the fair value of those  securities will be determined after consideration
of such events and other material factors, all under the direction and  guidance
of  the Board of Trustees of the Portfolio Series. A security which is listed or
 
                                       31
<PAGE>
traded on more  than one exchange  is valued  at the quotation  on the  exchange
determined   to  be  the  primary  market  for  such  security.  Absent  unusual
circumstances, investments in foreign  debt securities having  a maturity of  60
days  or less are valued based upon the amortized cost method. All other foreign
securities are valued at the last current bid quotation if market quotations are
available,  or  at  fair  value  as  determined  in  accordance  with   policies
established  by the  Board of  Trustees. For  valuation purposes,  quotations of
foreign securities in foreign currency are converted to U.S. dollars  equivalent
at  the prevailing market rate on the  day of conversion. Some of the securities
acquired  by   the  Portfolios   may   be  traded   on  foreign   exchanges   or
over-the-counter markets on days which are not Business Days. In such cases, the
net  asset  value of  the  Shares may  be  significantly affected  on  days when
investors can neither purchase nor redeem  a Fund's Shares. The servicing  agent
has  undertaken to price the securities held  by the Portfolios, and may use one
or more  independent  pricing services  in  connection with  this  service.  The
methods  used by the pricing services and  the valuations so established will be
reviewed by each Portfolio's investment  managers and servicing agent under  the
general supervision of the Board of Trustees of the Portfolio Series.
 
                  HOW TO PURCHASE, EXCHANGE AND REDEEM SHARES
 
PURCHASE OF SHARES
 
    Shares  of each Fund may be purchased without a sales charge on any Business
Day at the net asset value next determined after an order is transmitted to  the
Trust's  transfer agent, Mutual Funds Service  Company ("MFSC"), and accepted by
the distributor, UST Distributors, Inc. (the "Distributor"). There is no minimum
amount for  initial  or  subsequent  investments.  Purchase  orders  for  Shares
received  prior to the  close of regular trading  on the NYSE on  any day that a
Fund's net asset value is calculated are priced according to the net asset value
determined on that  day. Purchase  orders received  after the  close of  regular
trading  on the NYSE are priced as of the  time the net asset value per share is
next determined.  The  Distributor  has established  procedures  for  purchasing
Shares  in  order to  accommodate different  types  of investors  (see "Purchase
Procedures" below).
 
    Shares of each Fund may be purchased only in those states where they may  be
lawfully sold. The Trust reserves the right to cease offering Shares for sale at
any  time and the Distributor and the Trust each reserve the right to reject any
order for the purchase of Shares.
 
    PURCHASE PROCEDURES
 
    Shares  may   be  purchased   directly  only   by  institutional   investors
("Institutional   Investors").   An  Institutional   Investor   (a  "Shareholder
Organization")  may  elect  to   hold  of  record   Shares  for  its   customers
("Customers")  and  to  record beneficial  ownership  of Shares  on  the account
statements provided  to its  Customers. In  that case,  it is  each  Shareholder
Organization's responsibility to transmit to the Distributor all purchase orders
for its Customers and to transmit, on a timely basis, payment for such orders to
MFSC in accordance with the procedures agreed to by the Shareholder Organization
and  the Distributor.  Confirmations of  all such  purchases and  redemptions by
Shareholder Organizations for  the benefit of  their customers will  be sent  by
MFSC   to  the  particular  Shareholder  Organization.  In  the  alternative,  a
Shareholder Organization  may  elect to  establish  its Customers'  accounts  of
record  with MFSC. In this event, even if the Shareholder Organization continues
to place its Customers' purchase and redemption orders with the Funds, MFSC will
send confirmations of such transactions and periodic account statements directly
to the Customers.
 
    Certificates will not be issued for Shares.
 
                                       32
<PAGE>
    Customers may agree  with a  particular Shareholder Organization  to make  a
minimum purchase with respect to their accounts. Depending upon the terms of the
particular  account, Shareholder  Organizations may charge  a Customer's account
fees for  automatic  investment and  other  cash management  services  provided.
Customers  should contact  their Shareholder  Organization directly  for further
information.
 
    PURCHASES BY WIRE
 
    Institutional Investors may purchase Shares by wiring federal funds to MFSC.
Prior to making an initial investment  by wire, an investor must telephone  MFSC
at  (800) 909-1989 (from overseas, please call (617) 557-1755) for instructions.
Federal funds and registration instructions should be wired through the  Federal
Reserve System to:
 
                        United States Trust Company of New York
                       ABA #021001318
                       Excelsior Institutional Trust Account No. 2086689
 
For further credit to
                       [Fund Name]
                       Wire Control Number
                       Account Registration (including account number)
 
    Shares  purchased by federal  funds wire will  be effected at  the net asset
value per share next determined after acceptance of the order provided that  the
federal funds wire has been received by the Fund's bank on that Business Day.
 
    It  is intended that  each Fund and  its corresponding Portfolio  will be as
fully invested at all times as is reasonably practicable in order to enhance the
yield on  their respective  assets. Accordingly,  in order  to make  investments
which  will  immediately  generate  income,  a  Fund  must  have  federal  funds
available. Purchase orders received  and accepted after  4:00 p.m. Eastern  time
will  be effected at the net asset value next determined even if a Fund received
federal funds on that day.
 
    Investors making  initial investments  by wire  must promptly  complete  the
application  accompanying this  Prospectus and  forward it  to MFSC.  No account
application is required for subsequent purchases. Completed applications  should
be directed to:
 
                         Excelsior Institutional Trust
                        c/o Mutual Funds Service Company
                                 P.O. Box 2798
                             Boston, MA 02208-2798
 
    The application may also be sent via facsimile. Please contact MFSC at (800)
909-1989  (from overseas, please call (617) 557-1755) for complete instructions.
Redemptions by investors will not  be processed until the completed  application
for  purchase of Shares has been received and accepted by MFSC. Investors making
subsequent investments by wire should follow the above instructions.
 
    PURCHASES BY TELEPHONE
 
    For Institutional  Investors  who  have previously  selected  the  telephone
purchase  option,  a purchase  order  may be  placed  by calling  MFSC  at (800)
909-1989 (from overseas, please call (617) 557-1755). The purchase by  telephone
will  be  effected  at the  net  asset  value per  share  next  determined after
acceptance of the order.
 
                                       33
<PAGE>
    By  establishing the  telephone purchase option,  the Institutional Investor
authorizes MFSC and the Distributor to act upon telephone instructions  believed
to  be genuine. MFSC and  the Distributor will not be  held liable for any loss,
liability, cost  or  expense  for acting  upon  such  instruction.  Accordingly,
Institutional  Investors bear the risk of loss. The Trust will employ reasonable
procedures to confirm that instructions  communicated by telephone are  genuine,
including,   without  limitation,   recording  telephonic   instructions  and/or
requiring the caller to provide some form of personal identification. Failure to
employ reasonable procedures  may make the  Trust liable for  any losses due  to
unauthorized or fraudulent telephone instructions.
 
    This  option may be changed,  modified or terminated at  any time. The Trust
currently does  not  charge  a  fee for  this  service,  although  some  Service
Organizations  may charge their  customers fees. Customers  should contact their
Service Organization directly for further information.
 
EXCHANGE PRIVILEGE
 
    Shares of a Fund may  be exchanged without payment  of any exchange fee  for
shares of another Fund described herein at their respective net asset values. An
exchange  of shares is  treated for federal  and state income  tax purposes as a
redemption (sale)  of  shares given  in  exchange  by the  shareholder,  and  an
exchanging  shareholder  may,  therefore,  realize a  taxable  gain  or  loss in
connection with  the exchange.  Shareholders  exchanging shares  of a  Fund  for
shares  of another Fund should review the disclosure provided herein relating to
the exchanged-for shares  carefully prior  to making an  exchange. The  exchange
privilege  is available  to shareholders  residing in  any state  in which Trust
shares being acquired may be legally sold.
 
    The exchange option may be changed, modified or terminated at any time.  The
Trust  currently does not charge  a fee for this  service, although some Service
Organizations may charge  their customers fees.  Customers should contact  their
Service Organization directly for further information.
 
    EXCHANGES BY TELEPHONE
 
    For  Institutional  Investors  who have  previously  selected  the telephone
exchange option,  an exchange  order may  be  placed by  calling MFSC  at  (800)
909-1989  (from overseas, please call (617) 557-1755). The exchange by telephone
will be  effected  at  the net  asset  value  per share  next  determined  after
acceptance of the order for each Fund.
 
    By  establishing the  telephone exchange option,  the Institutional Investor
authorizes MFSC and the Distributor to act upon telephone instructions  believed
to  be genuine. MFSC and  the Distributor will not be  held liable for any loss,
liability, cost  or  expense  for acting  upon  such  instruction.  Accordingly,
Institutional  Investors bear the risk of loss. The Trust will employ reasonable
procedures to confirm that instructions  communicated by telephone are  genuine,
including,   without  limitation,   recording  telephonic   instructions  and/or
requiring the caller to provide some form of personal identification. Failure to
employ reasonable procedures  may make the  Trust liable for  any losses due  to
unauthorized or fraudulent telephone instructions.
 
REDEMPTION OF SHARES
 
    Institutional Investors may redeem all or any portion of the Shares in their
account at the net asset value next determined after proper receipt in good form
and  acceptance  of an  order for  redemption.  Proceeds from  redemption orders
received and accepted by 4:00 p.m. Eastern  time will normally be sent the  next
Business Day; proceeds are sent in any event within five Business Days.
 
                                       34
<PAGE>
    It  is necessary for  Institutional Investors and other  entities to have on
file appropriate  documentation authorizing  redemptions by  the institution  or
entity  before a redemption request is considered in proper form. In some cases,
additional documentation may be requested.
 
    Investment return and  principal value of  an investment in  each Fund  will
fluctuate,  so that the  value of shares redeemed  may be more  or less than the
shareholder's cost.  Redemptions  of  shares  are  taxable  events  on  which  a
shareholder may realize a gain or loss.
 
    REDEMPTION PROCEDURES
 
    Customers  of Shareholder Organizations holding  Shares of record may redeem
all or part of their investments in the Funds in accordance with the  procedures
governing   their  accounts  at  their   Shareholder  Organization.  It  is  the
responsibility of the Shareholder Organizations to transmit redemption orders to
MFSC and credit such Customer accounts with the redemption proceeds on a  timely
basis.
 
    Customers  redeeming  Shares  through certain  Shareholder  Organizations or
certified financial planners  may incur transaction  charges in connection  with
such  redemptions. Such Customers should  contact their Shareholder Organization
for further information on transaction fees.
 
    Institutional Investors may redeem all or part of their Shares in accordance
with any  of the  procedures described  below. These  procedures only  apply  to
Customers  of Shareholder Organizations  for whom individual  accounts have been
established with MFSC.  Customers whose  individual accounts  are maintained  by
Shareholder  Organizations must contact  their Shareholder Organization directly
to redeem Trust shares.
 
    If any portion of the Shares to be redeemed represents an investment made by
check, the Trust and MFSC  reserve the right not  to honor the redemption  until
MFSC  is reasonably  satisfied that the  check has been  collected in accordance
with the applicable banking regulations; such collection process may take up  to
15  days. An Institutional Investor who  anticipates the need for more immediate
access to its investment should purchase Shares by federal funds or bank wire or
by certified or cashier's  check. Banks normally impose  a charge in  connection
with  the use of bank  wires, as well as  certified checks, cashier's checks and
Federal funds. If a check  is not collected, the  purchase will be canceled  and
MFSC will charge a fee of $25.00 to the Institutional Investor's account.
 
    REDEMPTION BY WIRE OR TELEPHONE
 
    Institutional  Investors  who  maintain  an  account  at  MFSC  and  have so
indicated on their application, or have  subsequently arranged in writing to  do
so,  may redeem Shares  by instructing MFSC,  by wire or  telephone, to wire the
redemption proceeds directly to the investor's predesignated bank account at any
commercial bank in  the United  States. Institutional Investors  may have  their
Shares  redeemed by wire  by instructing MFSC at  (800) 909-1989 (from overseas,
please call  (617) 557-1755).  No charge  is  imposed by  the Trust  for  wiring
redemption    payments   to   Institutional   Investors   although   Shareholder
Organizations may  charge  Customers for  wiring  or crediting  such  redemption
payments to their accounts. Information relating to such redemption services and
charges,  if  any, is  available to  Customers  directly from  their Shareholder
Organizations.
 
    In order to arrange for redemption by wire or telephone after an account has
been opened  or to  change the  bank account  designated to  receive  redemption
proceeds,  an Institutional Investor must send a written request to the Trust at
the address  listed below  under "Redemption  by Mail".  Such requests  must  be
signed  by the  investor, with signatures  guaranteed (see  "Redemption by Mail"
below for details regarding signature guarantees). Further documentation may  be
requested.
 
                                       35
<PAGE>
    MFSC  and the Distributor  reserve the right  to refuse a  wire or telephone
redemption. Procedures for redeeming Shares by wire or telephone may be modified
or terminated at any time by the  Trust or the Distributor. MFSC, the Trust  and
the  Distributor will not be liable for any loss, liability, cost or expense for
acting  upon  telephone  instructions  believed  to  be  genuine.   Accordingly,
shareholders  will  bear the  risk  of loss.  The  Trust will  employ reasonable
procedures to confirm that instructions  communicated by telephone are  genuine,
including, without limitation, recording telephone instructions and/or requiring
the  caller to provide  some form of personal  identification. Failure to employ
reasonable  procedures  may  make  the  Trust  liable  for  any  losses  due  to
unauthorized or fraudulent telephone instructions.
 
    REDEMPTION BY MAIL
 
    Shares  may be redeemed by an Institutional Investor by submitting a written
request for redemption to:
 
                         Excelsior Institutional Trust
                        c/o Mutual Funds Service Company
                                 P.O. Box 2798
                             Boston, MA 02208-2798
 
    A written redemption request to MFSC must (i) state the number of Shares  to
be redeemed, (ii) identify the shareholder account number and tax identification
number,  and (iii) be signed for each registered owner by its authorized officer
exactly as the Shares are registered.
 
    A redemption request for an amount in excess of $5,000, or for any amount if
the proceeds  are to  be sent  elsewhere than  the address  of record,  must  be
accompanied  by  signature guarantees  from  any eligible  guarantor institution
approved by MFSC in accordance with its Standards, Procedures and Guidelines for
the Acceptance  of  Signature  Guarantees  ("Signature  Guarantee  Guidelines").
Eligible  guarantor institutions generally include banks, broker-dealers, credit
unions,  national  securities  exchanges,  registered  securities  associations,
clearing  agencies and savings associations. All eligible guarantor institutions
must participate in the Securities  Transfer Agents Medallion Program  ("STAMP")
in  order to be approved by MFSC pursuant to the Signature Guarantee Guidelines.
Copies of the  Signature Guarantee Guidelines  and information on  STAMP can  be
obtained from MFSC at (800) 909-1989 (from overseas, please call (617) 557-1755)
or at the address given above. MFSC may require additional supporting documents.
A  redemption request will  not be deemed  to be properly  received in good form
until MFSC receives all required documents in proper form.
 
    Questions with respect to the proper form for redemption requests should  be
directed to MFSC at (800) 909-1989 (from overseas, please call (617) 557-1755).
 
    OTHER REDEMPTION INFORMATION
 
    Except  as described  in "Investor Programs"  below, Institutional Investors
may be required to redeem Shares in a Fund after 60 days' written notice if  due
to  investor redemptions the  balance in the particular  account with respect to
the Fund  remains  below  $500. If  a  Customer  has agreed  with  a  particular
Shareholder Organization to maintain a minimum balance with respect to Shares of
a  Fund and the balance  in such account falls  below that minimum, the Customer
may be obliged  by the Shareholder  Organization to  redeem all or  part of  its
Shares to the extent necessary to maintain the required minimum balance.
 
                                       36
<PAGE>
                               INVESTOR PROGRAMS
 
RETIREMENT PLANS
 
    Shares  are available for purchase  by Institutional Investors in connection
with the following  tax-deferred prototype  retirement plans  offered by  United
States Trust Company of New York:
 
        IRAs  (including  "rollovers"  from existing  retirement  plans) for
    individuals and their eligible non-working spouses;
 
        Profit  Sharing  and  Money-Purchase  Plans  for  corporations   and
    self-employed  individuals and their partners  to benefit themselves and
    their employees; and
 
        Keogh Plans for self-employed individuals.
 
    Institutional Investors or Customers of Shareholder Organizations  investing
in  Shares  pursuant  to  a  retirement plan  are  not  subject  to  the minimum
investment  and  mandatory  redemption  provisions  described  above.   Detailed
information  concerning eligibility, service  fees and other  matters related to
these plans is available from the Trust by calling MFSC at (800) 909-1989  (from
overseas,  please call  (617) 557-1755). Customers  of Shareholder Organizations
may purchase Shares pursuant  to retirement plans if  such plans are offered  by
their Shareholder Organizations.
 
                                  TAX MATTERS
 
    Each year the Trust intends to qualify each Fund and elect that each Fund be
treated  as a separate "regulated investment  company" under Subchapter M of the
Internal Revenue Code of  1986, as amended (the  "Code"). Provided a Fund  meets
all  income,  distribution and  diversification  requirements of  the  Code, and
distributes all  of its  net investment  income and  realized capital  gains  to
shareholders  in accordance with the timing requirements imposed by the Code, no
federal income or  excise taxes  will be  required to  be paid  from that  Fund,
although  foreign-source income of a Fund  may be subject to foreign withholding
taxes. The Portfolios are also  not expected to be  required to pay any  federal
income  or excise taxes. If  a Fund fails to  qualify as a "regulated investment
company" in any year,  the Fund would incur  a regular corporate federal  income
tax  upon its  taxable income  and the  Fund's distributions  would generally be
taxable as ordinary dividend income to shareholders.
 
    Shareholders of a Fund  normally will have to  pay federal income taxes  and
any state or local taxes on the dividends and net capital gain distributions, if
any,  they  receive  from  a  Fund.  Dividends  from  ordinary  income  and  any
distributions from net short-term capital  gains are taxable to shareholders  as
ordinary  income for federal  income tax purposes.  Distributions of net capital
gains are taxable to shareholders as  long-term capital gains without regard  to
the  length  of time  the  shareholders have  held  their Shares.  Dividends and
distributions, if any, paid to shareholders  will be treated in the same  manner
for  federal  income tax  purposes  whether received  in  cash or  reinvested in
additional Shares of a Fund.
 
    A portion of the ordinary  income dividends of a  Fund invested in stock  of
domestic  corporations  may  qualify for  the  dividends-received  deduction for
corporations if  the  recipient  otherwise qualifies  for  that  deduction  with
respect  to  its  holding of  Fund  Shares.  Availability of  the  deduction for
particular shareholders is subject to certain limitations, and deducted  amounts
may  be  subject to  the alternative  minimum  tax and  result in  certain basis
adjustments.
 
                                       37
<PAGE>
    Dividends declared in October, November or  December of any year payable  to
shareholders of record on a specified date in such months will be deemed to have
been  received by shareholders and paid by a Fund on December 31 of such year in
the event such dividends are actually paid during January of the following year.
 
    At the end of each calendar year, each shareholder receives information  for
tax  purposes  on the  dividends and  other  distributions received  during that
calendar year, including  the portion  thereof taxable as  ordinary income,  the
portion  taxable  as  long-term  capital  gains,  the  portion  (if  any)  which
constitutes a return of capital (which is generally free of tax but results in a
basis reduction), and the amount of dividends (if any) which may qualify for the
dividends-received deduction for corporations.
 
    In general, any gain or loss  realized upon a taxable disposition of  Shares
of  a Fund by  a shareholder that holds  such Shares as a  capital asset will be
treated as long-term capital gain or loss if the Shares have been held for  more
that  12 months and otherwise as a short-term capital gain or loss. However, any
loss realized upon a redemption of Shares in a Fund held for six months or  less
will  be treated as a long-term capital  loss to the extent of any distributions
of net capital gain made with respect to those Shares. Any loss realized upon  a
disposition of Shares may also be disallowed under rules relating to wash sales.
 
    If  more than  50% of  the value  of the  International Equity  Fund's total
assets at the  close of  any taxable  year consists  of stock  or securities  of
foreign  corporations, the International Equity Fund may elect to "pass through"
to  shareholders  foreign  income   taxes  paid  by   that  Fund.  Under   those
circumstances,  the Fund will  notify shareholders of their  pro rata portion of
the foreign income  taxes paid  by the Fund;  shareholders may  be eligible  for
foreign  tax credits  or deductions  with respect  to those  taxes, but  will be
required to treat the amount of the  taxes as an amount distributed to them  and
thus includable in their gross income for federal income tax purposes.
 
    The  Trust may be required to withhold federal income tax at the rate of 31%
from all taxable distributions and  redemption proceeds payable to  shareholders
who  do not provide the Trust  with their correct taxpayer identification number
or make  required certifications,  or who  have been  notified by  the  Internal
Revenue Service that they are subject to backup withholding. Such withholding is
not  an  additional  tax.  Any  amounts withheld  may  be  credited  against the
shareholder's federal income tax liability.
 
    Under current law, neither the Trust, as a Delaware business trust, nor  any
of the Funds are liable for any income or franchise tax in the State of Delaware
as  long as  the Funds continue  to qualify as  "regulated investment companies"
under the Code.
 
    The foregoing  discussion  is  intended for  general  information  only.  An
investor  should consult with its own tax  advisor as to the tax consequences of
an investment in the Funds, including the status of distributions from the Funds
under applicable state and local laws.
 
                  MANAGEMENT OF THE TRUST AND PORTFOLIO SERIES
 
    The Boards of Trustees  of Excelsior Institutional  Trust (the "Trust")  and
St.  James Portfolios (the "Portfolio  Series") provide general supervision over
the affairs of the  Trust and the Portfolio  Series, respectively. The  Trustees
decide  upon  matters  of  general  policy and  review  the  actions  of service
providers such  as  the investment  managers,  service agent,  distributor,  and
others.  None of the Trustees common to  both the Trust and the Portfolio Series
are "interested  persons"  (as  defined  in  the  1940  Act)  (the  "Independent
Trustees") of the Trust or the Portfolio Series.
 
                                       38
<PAGE>
                              INVESTMENT MANAGERS
 
    United  States Trust Company of The Pacific Northwest ("U.S. Trust Pacific")
is responsible for the management of the assets of the Portfolios  corresponding
to  the Funds  listed below, pursuant  to an Investment  Advisory Agreement (the
"Advisory Agreement") with St.  James Portfolios on  behalf of such  Portfolios.
U.S.  Trust Pacific has delegated the  daily management of the security holdings
of  these  Portfolios  to  the  investment  managers  named  below,  acting   as
subadvisers (the "Subadvisers"):
 
<TABLE>
<S>                                       <C>
Equity Index Fund, Bond Index Fund        United States Trust Company of New
  and Small Cap Fund....................  York
Balanced Fund...........................  Becker Capital Management, Inc.
Equity Growth Fund......................  Luther King Capital Management
Value Equity Income Fund................  Spare, Kaplan & Bischel Associates
International Equity Fund...............  Harding, Loevner Management, L.P.
</TABLE>
 
    Subject  to the  general guidance  and policies set  by the  Trustees of the
Portfolio Series,  U.S.  Trust Pacific  provides  general supervision  over  the
investment management functions performed by each of the Subadvisers. U.S. Trust
Pacific  closely  monitors  the Subadvisers'  application  of  these Portfolios'
investment policies  and strategies,  and regularly  evaluates the  Subadvisers'
investment results and trading practices.
 
    For  its services under the Advisory  Agreement, U.S. Trust Pacific receives
from the Portfolios fees accrued daily and paid monthly at an annual rate  equal
to  the  percentages specified  below of  the corresponding  Portfolio's average
daily net assets: (a) 0.25% for the  Equity Index Fund and Bond Index Fund;  (b)
0.65% for the Small Cap Fund, Balanced Fund, Equity Growth Fund and Value Equity
Income  Fund;  and  (c) 1.00%  for  the  International Equity  Fund.  U.S. Trust
Pacific, which has its principal offices at 4380 Southwest Macadam Avenue, Suite
450, Portland, OR 97201, is a subsidiary  of United States Trust Company of  New
York.  Although the advisory  fee paid by the  International Equity Portfolio is
higher than advisory fees currently being  paid by most investment companies  in
general,  the advisory fee paid by the International Equity Portfolio is similar
to fees currently  being paid by  other investment companies  which also  invest
primarily in foreign issuers.
 
    Pursuant  to  separate  subadvisory  agreements,  the  Subadvisers  make the
day-to-day investment  decisions and  portfolio  selections for  the  Portfolios
corresponding  to  the Equity  Index, Bond  Index,  Small Cap,  Balanced, Equity
Growth, Value Equity Income and International Equity Funds, consistent with  the
general  guidelines and policies established by U.S. Trust Pacific and the Board
of Trustees of the Portfolio Series. For the investment management services they
provide to the corresponding Portfolios, the Subadvisers are compensated only by
U.S. Trust Pacific, and receive no fees directly from the Portfolio Series.  For
their  services under the  subadvisory agreements, the  Subadvisers receive from
U.S. Trust  Pacific, fees  at a  maximum annual  rate equal  to the  percentages
specified  below of the corresponding Portfolio's  average daily net assets: (a)
0.25% for the Equity Index Fund and Bond Index Fund, (b) 0.65% for the Small Cap
Fund, (c) 0.40% for  the Value Equity  Income Fund and  Equity Growth Fund,  (d)
0.425%  for the Balanced Fund, and (e)  0.45% for the International Equity Fund.
The Subadvisers  furnish  at their  own  expense all  services,  facilities  and
personnel  necessary in  connection with managing  the corresponding Portfolios'
investments and effecting securities transactions for the Portfolios.
 
                                       39
<PAGE>
    BALANCED FUND, EQUITY GROWTH FUND, VALUE EQUITY INCOME FUND AND
INTERNATIONAL EQUITY FUND
 
    U.S.  Trust  Pacific  has  entered  into  separate  Investment   Subadvisory
Agreements  with Becker Capital Management, Inc.  ("Becker") with respect to the
Portfolio for the Balanced Fund; Luther King Capital Management ("Luther  King")
with  respect  to the  Portfolio for  the  Equity Growth  Fund; Spare,  Kaplan &
Bischel Associates ("Spare Kaplan") with respect to the Portfolio for the  Value
Equity  Income Fund; and  Harding, Loevner Management,  L.P. ("Harding Loevner")
with respect to the Portfolio for the International Equity Fund.
 
    Becker maintains its principal offices at 2185 Pacwest Center, Portland,  OR
97204.  As  of September  30,  1994, Becker  had  $900 million  in  assets under
management. The person  primarily responsible for  the day-to-day management  of
the  Balanced  Portfolio  is  Donald  L.  Wolcott,  C.F.A.,  Vice  President and
Portfolio Manager of  Becker. Mr. Wolcott  joined Becker in  1987 and brings  19
years of experience in investment management to his position.
 
    Luther  King maintains its  principal offices at  301 Commerce Street, Suite
1600, Forth Worth,  TX 76102. As  of September  30, 1994, Luther  King had  $4.5
billion  in assets under  management. Emmett M.  Murphy is primarily responsible
for the day-to-day management of Equity Growth Portfolio. Mr. Murphy has been an
investment manager with Luther King since 1981. He is also a Chartered Financial
Analyst.
 
    Spare Kaplan maintains its  principal offices at  44 Montgomery Street,  San
Francisco,  CA 94104. As of September 30, 1994, Spare Kaplan had $2.2 billion in
assets under  management.  The  day-to-day management  of  Value  Equity  Income
Portfolio  is performed by the Value Equity Income Strategy Team, which includes
Anthony E. Spare, Chief Executive Officer and Chief Investment Officer of  Spare
Kaplan,  and James G.  McCluskey, Senior Portfolio Manager  at Spare Kaplan. Mr.
Spare co-founded the Value Equity Income Strategy Team in 1975 and has served as
senior strategy team member since 1975; Mr. McCluskey has been with Spare Kaplan
since 1989.
 
    Harding Loevner maintains its principal offices at 50 Division Street, Suite
401, Somerville, NJ 08876.  As of September 30,  1994, Harding Loevner had  $350
million  in  assets under  management.  All investment  management  decisions of
Harding Loevner are made  by an investment group  and not by portfolio  managers
individually.
 
    EQUITY INDEX FUND, BOND INDEX FUND AND SMALL CAP FUND
 
    U.S. Trust Pacific has entered into an Investment Subadvisory Agreement with
United  States Trust  Company of  New York  ("U.S. Trust")  with respect  to the
Portfolios corresponding to the Equity Index Fund, Bond Index Fund and Small Cap
Fund. U.S. Trust is a state-chartered bank and trust company created by  Special
Act  of the New York Legislature in  1853. U.S. Trust provides trust and banking
services to  individuals, corporations  and  institutions, both  nationally  and
internationally,    including   investment   management,    estate   and   trust
administration, financial planning, corporate trust and agency, and personal and
corporate banking. U.S. Trust is a member bank of the Federal Reserve System and
the Federal Deposit Insurance  Corporation and is one  of the twelve members  of
the  New York  Clearing House Association.  On September 30,  1994, U.S. Trust's
Asset Management Group had approximately $32 billion in assets under management.
U.S. Trust, which has its principal offices  at 114 West 47th Street, New  York,
NY  10036, is a subsidiary of U.S.  Trust Corporation, a registered bank holding
company.
 
                                       40
<PAGE>
    The  following  persons  are   primarily  responsible  for  the   day-to-day
management of the Portfolios corresponding to the following Funds:
 
<TABLE>
<S>                       <C>
Bond Index Fund.........  Cyril  M.  Theccanat, Vice  President  of U.S.  Trust, Structured
                          Investment Management Department. Mr. Theccanat has been managing
                          structured investment  portfolios at  U.S. Trust  since  January,
                          1990. Prior to this, Mr. Theccanat was a Vice President of Drexel
                          Burnham  &  Lambert, responsible  for  interest rate  and foreign
                          exchange risk management.
 
Equity Index Fund, Small  Philip DiDio, Financial Officer of U.S. Trust and Analyst in  the
Cap Fund................  Structured   Investment  Management   Department  of   the  Asset
                          Management Business Development Division. Mr. DiDio has been with
                          U.S. Trust since  June, 1992.  Prior to joining  U.S. Trust,  Mr.
                          DiDio  was  an associate  actuary with  John Hancock  Mutual Life
                          Insurance Company.
</TABLE>
 
    EQUITY FUND, INCOME FUND AND TOTAL RETURN BOND FUND
 
    U.S. Trust is responsible for the management of the assets of the Portfolios
corresponding to  the Equity  Fund, Income  Fund, and  Total Return  Bond  Fund,
pursuant to an Investment Advisory Agreement (the "Advisory Agreement") with St.
James Portfolios on behalf of such Portfolios. With respect to these Portfolios,
U.S.  Trust makes decisions with respect to  and places orders for all purchases
and sales  of  portfolio securities,  and  maintains records  relating  to  such
purchases and sales.
 
    The   following  persons  are  primarily   responsible  for  the  day-to-day
management of the Portfolios corresponding to the following Funds:
 
<TABLE>
<S>                       <C>
Equity Fund.............  P.  Ross  Taylor  III,  Director  of  Institutional   Investments
                          (Equity) and Senior Portfolio Manager, U.S. Trust (since 1987).
 
Income Fund.............  Charles  E. Rabus,  Vice President and  Senior Portfolio Manager,
                          U.S. Trust (since 1987).
 
Total Return Bond         Henry M. Milkowicz,  Senior Vice President  and Senior  Portfolio
Fund....................  Manager, U.S. Trust (since 1986).
</TABLE>
 
    For  its services under the Advisory Agreement, U.S. Trust receives from the
Portfolios corresponding to the Equity Fund,  Income Fund and Total Return  Bond
Fund,  a fee accrued daily and paid monthly  at an annual rate equal to 0.65% of
each Portfolio's average daily net assets.
 
    U.S. Trust also  serves as  investment adviser to  the following  registered
investment companies: UST Equity Fund; UST Income and Growth Fund; UST Long-Term
Supply    of    Energy   Fund;    UST    Productivity   Enhancers    Fund;   UST
Environmentally-Related Products and Services Fund;  UST Aging of America  Fund;
UST   Communication  and   Entertainment  Fund;  UST   Business  and  Industrial
Restructuring Fund; UST Global Competitors Fund; UST Early Life Cycle Fund;  UST
Money  Fund; UST Government Money Fund;  UST Treasury Money Fund; UST Short-Term
Tax-Exempt  Fund;   UST  New   York  Intermediate-Term   Tax-Exempt  Fund;   UST
International  Fund; UST Emerging Americas Fund;  UST Pacific/Asia Fund; UST Pan
European Fund; UST Short-Term Tax-Exempt Securities Fund; UST  Intermediate-Term
Tax-Exempt  Fund;  UST  Long-Term  Tax-Exempt  Fund;  UST  Short-Term Government
Securities Fund;  UST Intermediate-Term  Managed Income  Fund; and  UST  Managed
Income Fund.
 
                                       41
<PAGE>
    INVESTMENTS  IN THE FUNDS ARE NOT  DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED
OR ENDORSED BY, UNITED STATES TRUST COMPANY OF NEW YORK OR ANY OTHER BANK.
 
                                 SERVICING PLAN
 
    The Trust has  adopted a Servicing  Plan which provides  that the Trust  may
obtain  the services of a servicing and fund accounting agent, a transfer agent,
a custodian and  one or more  Shareholder Servicing Agents,  and may enter  into
agreements  providing  for the  payment  of fees  for  such services.  Under the
Servicing Plan,  the  aggregate of  the  fees paid  to  the servicing  and  fund
accounting  agent from a Fund and fees paid to Shareholder Servicing Agents from
a Fund  may not  exceed 0.40%  of that  Fund's average  daily net  assets on  an
annualized basis for the Fund's then-current fiscal year.
 
                                SERVICING AGENT
 
    Signature  Financial Services,  Inc. ("SFSI"),  located at  89 South Street,
Boston, MA 02111, serves as servicing and fund accounting agent to the Trust and
the Portfolio Series pursuant to agreements  between SFSI and each of the  Trust
and  the Portfolio  Series (the "Servicing  Agent Agreements").  Pursuant to the
Servicing Agent Agreements,  SFSI supervises the  affairs of the  Trust and  the
Portfolio  Series, including,  among other responsibilities,  the negotiation of
contracts and fees with, and the monitoring of performance and billings of,  the
various  service  providers  of  the Trust  or  the  Portfolio  Series; provides
equipment and clerical personnel necessary  for maintaining the organization  of
the  Trust and the  Portfolio Series; prepares and  distributes all materials in
connection with  meetings of  Trustees  and investors;  prepares and  files  all
documents  required for  compliance by  the Trust  or the  Portfolio Series with
applicable laws  and  regulations; and  arranges  for the  maintenance  of  fund
accounting and record-keeping of the Trust and the Portfolio Series.
 
    SFSI  provides persons satisfactory to the  respective Boards of Trustees to
serve as officers of the Trust or  the Portfolio Series. Such officers, as  well
as  certain other employees and  Trustees of the Trust  or the Portfolio Series,
may be directors, officers or employees of SFSI or its affiliates. SFSI provides
similar services to other mutual funds unrelated to the Trust and the  Portfolio
Series.
 
    As  compensation for  providing these  services (other  than fund accounting
services) and facilities to the Trust and the Portfolio Series, SFSI receives  a
fee  from the Portfolio Series accrued daily  and paid monthly at an annual rate
of up to 0.07% of  the average daily net assets  of the Portfolios. This fee  is
reported  in the Expense Table at pages  1-2 as part of the Administrative Fees.
For its fund accounting services, SFSI receives  a per annum fee from each  Fund
and  each  Portfolio  equal to  $12,000  and  $50,000, respectively.  SFSI  is a
subsidiary of Signature Financial Group, Inc.
 
                                  DISTRIBUTOR
 
    Pursuant  to  a   Distribution  Agreement,  UST   Distributors,  Inc.   (the
"Distributor"),  125 West  55th Street,  New York,  NY 10019,  acts as principal
underwriter for the  Shares. UST  Distributors, Inc. is  unaffiliated with  U.S.
Trust  or  any  of its  affiliates.  The  Distributor, directly  or  through its
subsidiaries, acts as underwriter  and serves as  administrator to other  mutual
funds.
 
                                       42
<PAGE>
                          SHAREHOLDER SERVICING AGENTS
 
    The Trust expects to enter into shareholder servicing agreements with one or
more  shareholder  servicing agents,  including  U.S. Trust.  Pursuant  to these
agreements, a shareholder servicing  agent, as agent for  its customers who  are
purchasing  Shares,  will perform  the following  services for  these investors,
among other  things:  answer customer  inquiries  regarding account  status  and
history,  the manner in which purchases,  exchanges and redemptions of Shares of
each Fund may be effected and certain other matters pertaining to a Fund; assist
shareholders in designating and changing dividend options, account  designations
and  addresses;  provide necessary  personnel  and facilities  to  establish and
maintain shareholder  accounts  and  records;  assist  in  processing  purchase,
exchange  and redemption transactions; arrange for the wiring of funds; transmit
and receive funds in  connection with customer orders  to purchase, exchange  or
redeem  Shares; verify and  guarantee shareholder signatures  in connection with
redemption orders and transfers and changes in shareholder-designated  accounts;
provide  periodic statements showing  a customer's account  balances and, to the
extent practicable, integrate  such information with  other client  transactions
otherwise  effected  with or  through the  shareholder servicing  agent; furnish
(either separately or  on an  integrated basis with  other reports  sent to  the
customer by its shareholder servicing agent) monthly and year-end statements and
confirmations  of purchases and  redemptions; transmit, on  behalf of the Trust,
prospectuses, proxy statements, annual  reports, updating prospectuses, if  any,
and  other communications from the Trust  to shareholders of each Fund; receive,
tabulate and transmit to the Trust proxies executed by shareholders with respect
to meetings  of  shareholders of  the  Funds;  and provide  such  other  related
services  as the  Trust or  a shareholder may  request. For  these services, the
shareholder servicing agents will receive a  fee accrued daily and paid  monthly
at an annual rate of up to 0.25% of each Fund's average daily net assets for the
respective  Fund's then-current  fiscal year.  In addition,  certain shareholder
servicing agents  will perform  recordkeeping and  administrative functions  for
which  they will receive a fee  at an annual rate of  up to 0.15% of each Fund's
average daily net assets. Shareholder servicing  agents are expected to waive  a
portion of their fees.
 
                          CUSTODIAN AND TRANSFER AGENT
 
    U.S.  Trust serves  as custodian of  the Funds' and  the Portfolios' assets.
Communications to  the  custodian should  be  directed to  United  States  Trust
Company  of New York, Mutual Funds Service  Division, 770 Broadway, New York, NY
10003. Investors Bank  & Trust Company,  79 Milk Street,  Boston, MA 02205,  has
been  retained to serve as  domestic and foreign subcustodian  of the Funds' and
the Portfolios'  assets.  Mutual  Funds Service  Company  ("MFSC"),  73  Tremont
Street,  Boston, MA 02108, serves as the transfer agent for the Funds, providing
transfer agency,  dividend  disbursement  and  registrar  services.  MFSC  is  a
subsidiary of U.S. Trust.
 
                                    EXPENSES
 
    The  respective expenses of  the Trust and the  Portfolio Series include the
compensation of  their  respective Trustees  who  are not  affiliated  with  the
investment  managers or SFSI;  governmental fees; interest  charges; taxes; fees
and expenses  of independent  auditors, of  legal counsel  and of  any  transfer
agent,  custodian, registrar  or dividend disbursing  agent of the  Trust or the
Portfolio Series; insurance premiums; and expenses of calculating the net  asset
value  of, and the net income on, interests  in the Portfolios and shares of the
Funds.
 
                                       43
<PAGE>
    Expenses of  the Trust  also  include all  fees  under its  Servicing  Agent
Agreement;   expenses  of  distributing  and   redeeming  shares  and  servicing
shareholder accounts; expenses of preparing, printing and mailing  prospectuses,
reports,   notices,  proxy  statements  and   reports  to  shareholders  and  to
governmental officers  and  commissions;  expenses of  shareholder  and  Trustee
meetings;  expenses relating to the  issuance, registration and qualification of
shares of each Fund  and the preparation, printing  and mailing of  prospectuses
for  such  purposes; and  membership dues  in  the Investment  Company Institute
allocable to the Trust.
 
    Expenses of the Portfolio Series also  include all fees under the  Portfolio
Series'  Servicing Agent Agreement;  the expenses connected  with the execution,
recording and  settlement of  security transactions;  fees and  expenses of  the
Portfolio  Series'  custodian  for  all services  to  the  Portfolios, including
safekeeping of funds and securities and maintaining required books and accounts;
expenses of  preparing and  mailing  reports to  investors and  to  governmental
officers  and commissions; expenses  of meetings of  investors and Trustees; and
the advisory fees payable to U.S. Trust Pacific under the Advisory Agreement.
 
    BANK REGULATORY MATTERS.  The Glass-Steagall Act and applicable banking laws
and regulations generally prohibit certain  financial institutions such as  U.S.
Trust  from  engaging in  the business  of  underwriting securities  of open-end
investment companies such as the Trust or the Portfolio Series. Based on  advice
of its counsel, it is the position of U.S. Trust and U.S. Trust Pacific that the
investment advisory services performed by U.S. Trust Pacific or U.S. Trust under
the  Advisory Agreements with St. James  Portfolios, the activities performed by
U.S. Trust  as shareholder  servicing agent  for the  Funds and  subadviser  and
custodian  for the Portfolios, and the transfer agency and dividend disbursement
activities performed  by MFSC  for  the Funds,  do not  constitute  underwriting
activities  and are consistent with the  requirements of the Glass-Steagall Act.
In  addition,  counsel  has  advised  that  this  combination  of   individually
permissible  activities  is consistent  with  the Glass-Steagall  Act  and other
federal  or  state  legal  and  regulatory  precedent.  There  is  presently  no
controlling  precedent regarding the performance  of a combination of investment
advisory, shareholder  servicing, custodian  and transfer  agency activities  by
banks.  State laws on this issue may differ from the interpretations of relevant
federal law and banks and financial institutions may be required to register  as
dealers  pursuant  to state  securities law.  Future  changes in  either federal
statutes or regulations relating to the permissible activities of banks, as well
as future judicial  or administrative decisions  and interpretations of  present
and  future statutes  and regulations, could  prevent a bank  from continuing to
perform all or part of its  servicing or investment management activities. If  a
bank  were  prohibited  from  so  acting,  its  shareholder  customers  would be
permitted to remain Fund shareholders  and alternative means for continuing  the
servicing  of such shareholders would  be sought. In such  event, changes in the
operation of the Funds might occur and a shareholder serviced by such bank might
no longer be able to avail himself of any automatic investment or other services
then being provided by such bank. The  Trustees of the Trust do not expect  that
shareholders  of the Funds would suffer  any adverse financial consequences as a
result of these occurrences.
 
    CERTAIN RELATIONSHIPS AND ACTIVITIES.   U.S. Trust,  U.S. Trust Pacific  and
their   affiliates  may  have   deposit,  loan  and   other  commercial  banking
relationships with the issuers of securities which may be purchased on behalf of
the Portfolios,  including outstanding  loans  to such  issuers which  could  be
repaid  in whole or in  part with the proceeds  of securities so purchased. U.S.
Trust, U.S. Trust Pacific and their affiliates deal, trade and invest for  their
own  accounts in such obligations  and are among the  leading dealers of various
types of such obligations. U.S. Trust  and U.S. Trust Pacific have informed  the
Portfolios  that,  in making  investment decisions,  they do  not obtain  or use
material inside information in their possession  or in the possession of any  of
their  affiliates. In making investment recommendations for the Portfolios, U.S.
Trust and U.S. Trust Pacific will not inquire or take into consideration whether
an issuer of securities proposed for purchase or
 
                                       44
<PAGE>
sale by a Portfolio  is a customer  of U.S. Trust or  U.S. Trust Pacific,  their
parents  or their subsidiaries  or affiliates. When  dealing with its customers,
U.S. Trust, U.S. Trust Pacific, their parents, subsidiaries, and affiliates will
not inquire or take into consideration whether securities of such customers  are
held  by  any  fund  managed by  U.S.  Trust,  U.S. Trust  Pacific  or  any such
affiliate.
 
                   DIVIDENDS AND CAPITAL GAINS DISTRIBUTIONS
 
    Dividends equal to all  or substantially all of  each Fund's net  investment
income  will be declared and paid as follows:  For the Small Cap Fund and Equity
Index Fund, dividends will be  declared and paid at least  once a year; for  the
Bond  Index Fund, dividends will be declared daily and paid at least each month;
and for the  Equity Fund, Income  Fund, Total Return  Bond Fund, Balanced  Fund,
Equity  Growth Fund,  Value Equity  Income Fund  and International  Equity Fund,
dividends will be declared and paid at least quarterly (four times a year).
 
    Long-term capital gains, if  any, for each Fund  will be distributed once  a
year, usually in December, if a Fund's profits during that year from the sale of
securities  held for longer than the applicable period exceed losses during such
year from the sale  of securities together with  any net capital losses  carried
forward  from prior years (to  the extent not used  to offset short-term capital
gains). Net short-term capital gains realized  during a Fund's fiscal year  will
also  be  distributed during  such  year. Each  Fund's  net income  for dividend
purposes consists of (i) all accrued income, whether taxable or tax-exempt, plus
discount earned on the Fund's assets, less (ii) amortization of premium on  such
assets,  accrued expenses  directly attributable  to the  Fund, and  the general
expenses  or  the  expenses  common  to   more  than  one  Fund  (e.g.,   legal,
administrative,  accounting, and  Trustees' fees) prorated  to each  Fund on the
basis of its relative  net assets. Dividends and  distributions will reduce  the
net  asset  value  of  each of  the  Funds  by  the amount  of  the  dividend or
distribution.
 
    Additional distributions will  also be  made to shareholders  to the  extent
necessary  to avoid the application of a 4% non-deductible federal excise tax on
certain undistributed income and net capital gains of mutual funds.
 
              DESCRIPTION OF SHARES, VOTING RIGHTS AND LIABILITIES
 
    The Trust's Trust Instrument permits the  Trustees of the Trust to issue  an
unlimited number of full and fractional shares of beneficial interest (par value
$0.00001  per share) of each  series and to divide or  combine the shares into a
greater or lesser number  of shares without  thereby changing the  proportionate
beneficial  interests in each Fund.  The Trust reserves the  right to create and
issue any number of  series; investments in each  series participate equally  in
the  earnings, dividends and assets  of the particular series  only and no other
series. Currently, the Trust has ten active and two inactive series. The  active
series  include:  Excelsior Institutional  Equity Fund,  Excelsior Institutional
Income  Fund,  Excelsior  Institutional   Total  Return  Bond  Fund,   Excelsior
Institutional  Equity  Index  Fund,  Excelsior  Institutional  Bond  Index Fund,
Excelsior  Institutional  Small  Capitalization  Fund,  Excelsior  Institutional
Balanced   Fund,   Excelsior   Institutional  Equity   Growth   Fund,  Excelsior
Institutional Value Equity Income Fund and Excelsior Institutional International
Equity Fund. The ten active series are offered through this Prospectus.
 
    Each  Share  of  a  Fund  represents  an  interest  in  that  Fund  that  is
proportionate  with the interest represented by each other Share. Shares have no
preference, preemptive, conversion  or similar  rights. Shares  when issued  are
fully  paid  and  nonassessable, except  as  set forth  below.  Shareholders are
entitled to
 
                                       45
<PAGE>
one vote for each Share held on matters on which they are entitled to vote.  The
Trust is not required to and has no current intention to hold annual meetings of
shareholders, although the Trust will hold special meetings of shareholders when
in  the  judgment of  the Board  of Trustees  of  the Trust  it is  necessary or
desirable to submit matters for a shareholder vote. Shareholders have the  right
to remove one or more Trustees of the Trust at a shareholders meeting by vote of
two-thirds  of the outstanding  Shares of the Trust.  Shareholders also have the
right to  remove one  or more  Trustees  of the  Trust without  a meeting  by  a
declaration  in writing by a specified  number of shareholders. Upon liquidation
or dissolution of a Fund,  shareholders would be entitled  to share pro rata  in
the net assets of such Fund available for distribution to shareholders.
 
    The  Trust is  a business  trust organized  under the  laws of  the State of
Delaware. Under  Delaware  law, shareholders  of  Delaware business  trusts  are
entitled  to the same limitation on  personal liability extended to shareholders
of private for profit corporations  organized under the general corporation  law
of the State of Delaware; the courts of other states may not apply Delaware law,
however,  and shareholders may, under  certain circumstances, be held personally
liable for  the obligations  of  the Trust.  The  Trust Instrument  contains  an
express disclaimer of shareholder liability for acts or obligations of the Trust
and  provides  for indemnification  and reimbursement  of  expenses out  of Fund
property for any  shareholder held personally  liable for the  obligations of  a
Fund  solely by  reason of  his being  or having  been a  shareholder. The Trust
Instrument also provides for the maintenance, by  or on behalf of the Trust  and
each  Fund, of appropriate insurance (for  example, fidelity bond and errors and
omissions insurance)  for the  protection  of the  Trust  and each  Fund,  their
shareholders,  Trustees, officers, employees and  agents, covering possible tort
and other liabilities. Thus, the risk of a shareholder incurring financial  loss
on  account  of  shareholder  liability is  limited  to  circumstances  in which
Delaware law did not apply, inadequate  insurance existed and a Fund itself  was
unable to meet its obligations.
 
    Shareholders of all series of the Trust will vote together to elect Trustees
of  the Trust  and for certain  other matters. Under  certain circumstances, the
shareholders of one or  more series of  the Trust could  control the outcome  of
these votes.
 
    Each  Portfolio is a series of St. James Portfolios, which is organized as a
trust under the laws of the State of New York. The Portfolio Series' Declaration
of Trust provides that the Funds and other entities investing in the  Portfolios
(e.g.,  other  investment  companies, insurance  company  separate  accounts and
common and commingled trust  funds) will each be  liable for all obligations  of
their  corresponding Portfolios. However, the Trustees of the Trust believe that
the risk of the Funds incurring financial  loss on account of such liability  is
limited  to  circumstances  in which  both  inadequate insurance  existed  and a
Portfolio itself was unable to meet its obligations, and that neither the  Funds
nor their shareholders will be exposed to a material risk of liability by reason
of  a Fund's  investment in  its corresponding  Portfolio. For  more information
regarding the Trustees of the Trust and the Portfolio Series, see "Management of
the Trust and Portfolio Series" in the Statement of Additional Information.  The
interests in the Portfolio Series are divided into separate series. Investors in
each series of the Portfolio Series will vote separately or together in the same
manner as shareholders of the Trust's series.
 
                            PERFORMANCE INFORMATION
 
    From  time to  time, in  advertisements, reports  to shareholders,  or other
communications to shareholders or prospective investors, the performance of  the
Funds  may be quoted  and compared to  those of other  mutual funds with similar
investment objectives and  to stock  or other  relevant indices  or to  rankings
 
                                       46
<PAGE>
prepared  by independent  services or  other financial  or industry publications
that monitor the performance of  mutual funds. Performance information  includes
the  Fund's investment results  and/or comparisons of  its investment results to
various unmanaged indices,  or results of  other mutual funds  or investment  or
savings vehicles. A Fund's investment results as used in such communications are
calculated  on a "yield" or "total rate of return" basis in the manner set forth
below.
 
    The Trust  provides  period  and  annualized "total  rates  of  return"  and
non-standardized  total return  data for each  Fund. The "total  rate of return"
refers to the  change in  the value of  an investment  in a Fund  over a  stated
period  which reflects any change in net  asset value per share and includes the
value of  any shares  purchased with  any dividends  or capital  gains  declared
during  such  period.  Period  total  rates  of  return  may  be  annualized. An
annualized total  rate of  return is  a compounded  total rate  of return  which
assumes  that  the period  total rate  of  return is  generated over  a one-year
period, and that all dividends and capital gains distributions are reinvested.
 
    The Trust provides annualized "yield" quotations for each Fund. The  "yield"
of  a Fund refers to the  income generated by an investment  in such Fund over a
thirty day or one month period. The  dates of any such period are identified  in
all advertisements or communications containing yield quotations. Income is then
annualized;  that is, the amount of income  generated by an investment in a Fund
over a period is assumed to be generated (or remain constant) over one year  and
is  shown  as a  percentage of  the  net asset  value on  the  last day  of that
year-long period. The Funds may also advertise the "effective yields", which are
calculated similarly but, when annualized,  income is assumed to be  reinvested,
thereby  making the effective yields slightly  higher because of the compounding
effect of  the  assumed  reinvestment.  See  "Performance  Information"  in  the
Statement  of Additional Information.  These methods of  calculating "yield" and
"total rate  of return"  are determined  by regulations  of the  Securities  and
Exchange Commission.
 
    Since  a  Fund's yield  and total  rate  of return  quotations are  based on
historical earnings and since  such yields and total  rates of return  fluctuate
over  time,  such  quotations  should  not be  considered  as  an  indication or
representation of  the  future  performance of  any  Fund.  Shareholders  should
remember that performance is generally a function of the kind and quality of the
instruments  held in  a portfolio,  portfolio maturity,  operating expenses, and
market conditions. Any fees charged by Shareholder Organizations with respect to
accounts of  Customers that  have invested  in Shares  will not  be included  in
calculations of performance. From time to time, fund rankings may be quoted from
various sources, such as Lipper Analytical Services, Inc.
 
                                 MISCELLANEOUS
 
    Shareholders of record will receive unaudited semi-annual reports and annual
reports audited by the Funds' independent auditors.
 
    The  Funds' Statement of Additional Information  bears the same date as this
Prospectus and con-
tains more detailed information  about the Funds  and the Portfolios,  including
information related to (i) investment policies and restrictions of the Funds and
the  Portfolios, (ii) Trustees  and officers of the  Trust and Portfolio Series,
(iii)  portfolio  transactions  and  brokerage  commissions,  (iv)  rights   and
liabilities  of shareholders of  the Trust and  Portfolio Series, (v) additional
performance information, including  methods used  to calculate  yield and  total
return,  (vi) determination of  the net asset  value of Shares  of the Funds and
(vii) the audited  Statements of  Assets and Liabilities  of the  Funds and  the
Portfolios at June 20, 1994.
 
                                       47
<PAGE>
                    INSTRUCTIONS FOR NEW ACCOUNT APPLICATION
 
OPENING YOUR ACCOUNT:
 
    Complete the Application(s) and mail (regular or overnight) to:
 
                         Excelsior Institutional Trust
     c/o Mutual Funds Service Company, P.O. Box 2798, Boston, MA 02208-2798
 
    Please  enclose  with  the Application(s)  your  check made  payable  to the
"Excelsior Institutional Trust" in the amount of your investment.
 
    For direct wire  purchases please  refer to  the section  of the  Prospectus
entitled "How to Purchase and Redeem Shares -- Purchase Procedures".
 
    MINIMUM INVESTMENTS:
 
    Except  as provided in  the Prospectus, there is  no minimum amount required
for an initial or subsequent investment.
 
    REDEMPTIONS:
 
    Shares can be  redeemed in any  amount and  at any time  in accordance  with
procedures described in the Prospectus. In the case of shares recently purchased
by  check, redemption  proceeds will  not be  made available  until the transfer
agent is reasonably assured that the check has been collected in accordance with
applicable banking regulations.
 
    Certain  legal  documents  will  be  required  from  corporations  or  other
organizations,  executors and trustees, or if  redemption is requested by anyone
other than the shareholder of record.  Written redemption requests of $5,000  or
more must be accompanied by signature guarantees.
 
    SIGNATURES:
 
    Please be sure to sign the Application(s).
 
    If the shares are registered in the name of:
 
     -- a  corporation or other organization,  an authorized officer should sign
        (please indicate corporate office or title).*
 
     -- a trustee or other fiduciary,  the fiduciary or fiduciaries should  sign
(please indicate capacity).*
- ------------
 
        *A corporate resolution or appropriate certificate may be required.
 
    TAXPAYER IDENTIFICATION NUMBER:
 
    Institutional Investors and other entities must provide a tax identification
or  social security number on the application.  Investors who do not supply this
information or who have been notified by the Internal Revenue Service that  they
are  subject to backup withholding will be  subject to a withholding rate of 31%
from all taxable distributions paid to the shareholder.
 
    QUESTIONS:
 
    If  you  have  any  questions   regarding  the  Application  or   redemption
requirements, please contact your shareholder servicing agent.
 
                                       48
<PAGE>
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                         PAGE
                                                       ---------
<S>                                                    <C>
SUMMARY OF EXPENSES..................................          1
INVESTMENT OBJECTIVES AND
  POLICIES...........................................          3
  EQUITY PORTFOLIO...................................          7
  INCOME PORTFOLIO...................................          8
  TOTAL RETURN BOND PORTFOLIO........................          8
  EQUITY MARKET PORTFOLIO............................         10
  BOND MARKET PORTFOLIO..............................         11
  SMALL CAP PORTFOLIO................................         13
  BALANCED PORTFOLIO.................................         14
  EQUITY GROWTH PORTFOLIO............................         16
  VALUE EQUITY INCOME PORTFOLIO......................         17
  INTERNATIONAL EQUITY PORTFOLIO.....................         18
SPECIAL INFORMATION CONCERNING HUB AND
  SPOKE-Registered Trademark- STRUCTURE..............         30
PRICING OF SHARES....................................         31
HOW TO PURCHASE, EXCHANGE AND REDEEM SHARES..........         32
INVESTOR PROGRAMS....................................         37
TAX MATTERS..........................................         37
MANAGEMENT OF THE TRUST AND PORTFOLIO SERIES.........         38
DIVIDENDS AND CAPITAL GAINS DISTRIBUTIONS............         45
DESCRIPTION OF SHARES, VOTING RIGHTS AND
  LIABILITIES........................................         45
PERFORMANCE INFORMATION..............................         46
MISCELLANEOUS........................................         47
INSTRUCTIONS FOR NEW ACCOUNT
  APPLICATION........................................         48
</TABLE>
 
  NO  PERSON  HAS  BEEN  AUTHORIZED  TO GIVE  ANY  INFORMATION  OR  TO  MAKE ANY
REPRESENTATIONS NOT CONTAINED IN THIS PROSPECTUS, OR IN THE FUNDS' STATEMENT  OF
ADDITIONAL  INFORMATION INCORPORATED HEREIN BY REFERENCE, IN CONNECTION WITH THE
OFFERING MADE BY  THIS PROSPECTUS  AND, IF GIVEN  OR MADE,  SUCH INFORMATION  OR
REPRESENTATIONS  MUST NOT BE RELIED UPON  AS HAVING BEEN AUTHORIZED BY EXCELSIOR
INSTITUTIONAL TRUST OR ITS DISTRIBUTOR.  THIS PROSPECTUS DOES NOT CONSTITUTE  AN
OFFER BY EXCELSIOR INSTITUTIONAL TRUST OR ITS DISTRIBUTOR IN ANY JURISDICTION IN
WHICH, OR TO ANY PERSON TO WHOM, SUCH OFFER MAY NOT LAWFULLY BE MADE.
 
USTEXINTTP
 
                                   EXCELSIOR
                                 INSTITUTIONAL
                                     TRUST
 
                                  EQUITY FUND
                                  INCOME FUND
                             TOTAL RETURN BOND FUND
                               EQUITY INDEX FUND
                                BOND INDEX FUND
                           SMALL CAPITALIZATION FUND
                                 BALANCED FUND
                               EQUITY GROWTH FUND
                            VALUE EQUITY INCOME FUND
 
                           INTERNATIONAL EQUITY FUND
 
                                   PROSPECTUS
                               NOVEMBER 28, 1994


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