BARR ROSENBERG SERIES TRUST
485BPOS, 1999-08-02
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<PAGE>

         As filed with the Securities and Exchange Commission on July 30, 1999

                       Registration Nos. 33-21677,
                                 811-5547


                    SECURITIES AND EXCHANGE COMMISSION
                        Washington, D.C.  20549


                               FORM N-1A

       REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933         / X /
                                                                       ----

           Pre-Effective Amendment No.                                 /   /

           Post-Effective Amendment No. 29                             / X /
                                                                       ----

       REGISTRATION STATEMENT UNDER THE INVESTMENT
          COMPANY ACT OF 1940                                          / X /
                                                                       ----

           Amendment No. 32                                            / X /
                                                                       ----

                             BARR ROSENBERG SERIES TRUST
                  (Exact Name of Registrant as Specified in Charter)

      c/o AXA Rosenberg Investment Management LLC, Four Orinda Way, Building E,
Orinda, CA 94563
                 (Address of Principal Executive Offices) (Zip code)

                                    925-254-6464
                 (Registrant's Telephone Number, including Area Code)


     Name and address
     of agent for service:                             Copies to:
     --------------------                              ---------

     Kenneth Reid                                      J.B. Kittredge, Esq.
     AXA Rosenberg Investment                          Ropes & Gray
          Management LLC                               One International Place
     Four Orinda Way                                   Boston, MA 02110-2624
     Building E
     Orinda, CA 94563

Approximate Date of Proposed Public Offering:  Continuous.

It is proposed that this filing will become effective (check appropriate box):




/ X / Immediately upon filing pursuant to paragraph (b) / X / On July 30, 1999
                        pursuant to paragraph (b)


                                      -1-
<PAGE>

/ / 60 days after filing pursuant to paragraph (a)(1) / / On (date) pursuant to
paragraph (a)(1)

/ / 75 days after filing pursuant to (a)(2)           / / On (date) pursuant to
paragraph (a)(2) of Rule 485.

If appropriate, check the following box:

/ / This post-effective amendment designates a new effective date for a
previously filed post-effective amendment.


NOTE:  This amendment relates solely to shares of beneficial interest in the
U.S. Small Capitalization Series, the International Small Capitalization Series
and the Japan Series.  Information contained in the Trust's Registration
Statement relating to the other series of the Trust is neither amended nor
superseded hereby.





                                      -2-
<PAGE>

The Funds' statement of additional information ("SAI") dated July 30, 1999
contains additional information about the Funds. It is incorporated by
reference into this prospectus, which means that it is part of this
prospectus for legal purposes. Additional information about the Funds'
investments is available in the Funds' annual and semi-annual reports to
shareholders. You may obtain free copies of the SAI and the Funds' annual
and semi-annual reports, request other information about the Funds, or make
shareholder inquiries by writing to the Trust at the address below or by
telephoning 1-800-447-3332.

The SAI has been filed with the Securities and Exchange Commission. You may
review and copy information about the Funds, including the SAI, at the
Commission's Public Reference Room in Washington, D.C. You may call the
Commission at 1-800-SEC-0330 for information about the operation of the
Public Reference Room.  The Commission maintains a World Wide Web site at
http://www.sec.gov, which contains reports and other information about the
Funds. You may also obtain copies of these materials, upon payment of a
duplicating fee, by writing the Public Reference Section of the Commission,
Washington, D.C. 20549-6009.

Address Correpondence To:

Barr Rosenberg Series Trust
3435 Stelzer Road
Columbus, Ohio 43219.
1-800-447-3332

Shareholder Services
1-800-555-5737 (Institutional Shares)
1-800-447-3332 (Adviser and Select Shares)

Adviser
AXA Rosenberg Investment Management LLC
Four Orinda Way, Building E
Orinda, CA 94563

Additional Information about the Adviser may be found on the World Wide Web
at http://www.axarosenberg.com

Administrator, Transfer and Dividend Paying Agent
BISYS Fund Services Ohio, Inc.
3435 Stelzer Road
Columbus, OH 43219

Custodian of Assets
Custodial Trust Company
101 Carnegie Center
Princeton, NJ 08540

Independent Accountants

PricewaterhouseCoopers LLP
333 Market St.
San Francisco CA 94104


Legal Counsel
Ropes & Gray
One International Place
Boston, MA 02110                          BRG-0036

Investment Company Act File No. 811-05547

[LOGO]
Barr
Rosenberg
Series
Trust

- -- U.S. Small Capitalization Series

- -- International Small Capitalization Series

- -- Japan Series

Prospectus
July 30, 1999

<PAGE>
                          BARR ROSENBERG SERIES TRUST

                        U.S. SMALL CAPITALIZATION SERIES
                                  JAPAN SERIES
                   INTERNATIONAL SMALL CAPITALIZATION SERIES

                               3435 STELZER ROAD
                              COLUMBUS, OHIO 43219
                                 1-925-254-6464


                                 JULY 30, 1999


    Barr Rosenberg Series Trust is an open-end management investment company
offering six diversified portfolios with different investment objectives and
strategies, including the U.S. Small Capitalization Series, Japan Series and
International Small Capitalization Series. The other portfolios of the Trust,
which are offered under an additional prospectus, are the Barr Rosenberg Market
Neutral Fund, Barr Rosenberg Double Alpha Market Fund and Barr Rosenberg Select
Sectors Market Neutral Fund. Each Fund's investment adviser is AXA Rosenberg
Investment Management LLC.

    THE SECURITIES AND EXCHANGE COMMISSION HAS NOT APPROVED OR DISAPPROVED OF
THESE SECURITIES OR DETERMINED IF THIS PROSPECTUS IS TRUTHFUL OR COMPLETE. ANY
REPRESENTATION TO THE CONTRARY IS A CRIME.
<PAGE>
                               TABLE OF CONTENTS


<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>

RISK/RETURN SUMMARY.......................................................    3

  U.S. SMALL CAPITALIZATION SERIES........................................    3
  INTERNATIONAL SMALL CAPITALIZATION SERIES...............................    5
  JAPAN SERIES............................................................    8

FEES AND EXPENSES.........................................................   10

PRINCIPAL INVESTMENT STRATEGIES...........................................   11

PRINCIPAL RISKS...........................................................   14

CERTAIN INVESTMENT TECHNIQUES AND RELATED RISKS...........................   16

MANAGEMENT DISCUSSION OF FUND PERFORMANCE.................................   19

THE ADVISER'S GENERAL INVESTMENT PHILOSOPHY...............................   23

MANAGEMENT OF THE TRUST...................................................   26

MULTIPLE CLASSES..........................................................   30

PURCHASING SHARES.........................................................   32

IRA ACCOUNTS..............................................................   34

REDEMPTION OF SHARES......................................................   34

EXCHANGING SHARES.........................................................   36

HOW THE TRUST PRICES SHARES OF THE FUNDS..................................   37

DISTRIBUTIONS.............................................................   38

TAXES.....................................................................   38

OTHER INFORMATION.........................................................   39

FINANCIAL HIGHLIGHTS......................................................   39
</TABLE>


                                       2
<PAGE>
                              RISK/RETURN SUMMARY


    The following is a summary of certain key information about the Barr
Rosenberg U.S. Small Capitalization Series, Barr Rosenberg International Small
Capitalization Series and Barr Rosenberg Japan Series (each a "Series" or a
"Fund" and, collectively, the "Series" or the "Funds"). You will find additional
information about each Fund, including a detailed description of the risks of an
investment in each Fund, after this Summary. This Summary identifies each Fund's
investment objective, principal investment strategies and principal risks. The
summary of each Fund's principal investment strategies is accompanied by a short
discussion of some of the Fund's principal risks. The principal risks of each
Fund are identified and more fully discussed beginning on page 14. You can find
more detailed descriptions of the Funds, including the risks associated with
investing in the Funds, further back in this Prospectus. Please be sure to read
this additional information BEFORE you invest.


    This Risk/Return Summary includes a table for each Fund showing its average
annual returns and a bar chart showing its annual returns. The table and bar
chart provide an indication of the historical risk of an investment in each Fund
by showing:

    - how the Fund's average annual returns for one, five, and ten years (or
      over the life of the Fund if the Fund is less than ten years old) compare
      to those of a broad based securities market index; and

    - changes in the Fund's performance from year to year over ten years (or
      over the life of the Fund if the Fund is less than ten years old).

A Fund's past performance, of course, does not necessarily indicate how it will
perform in the future.

Other important things for you to note:

    - You may lose money by investing in the Funds.

    - An investment in the Funds is not a deposit in a bank and is not insured
      or guaranteed by the Federal Deposit Insurance Corporation or any other
      government agency.

    - Except as explicitly described otherwise, the investment objective and
      policies of each of the Funds may be changed without shareholder approval.

                        U.S. SMALL CAPITALIZATION SERIES

INVESTMENT OBJECTIVE

    The Fund seeks a return greater than that of the Russell 2000 Index.

SUMMARY OF PRINCIPAL INVESTMENT STRATEGIES

    The Fund invests primarily in equity securities of smaller companies that
are traded principally in the markets of the United States. At all times, at
least 65% of the Fund's total assets will be invested in these small
capitalization securities. The Fund will place relatively greater emphasis on
capital appreciation than on current income.

                                       3
<PAGE>
SUMMARY OF PRINCIPAL RISKS

    As with any stock mutual fund, you may lose money if you invest in the Fund.
Among the principal risks that could adversely affect the value of the Fund's
shares and cause you to lose money on your investment are:

    INVESTMENT RISKS.  The value of Fund shares may increase or decrease
depending on external conditions affecting the Fund's portfolio. These
conditions depend upon market, economic, political, regulatory and other
factors.

    MANAGEMENT RISK.  Any actively managed investment portfolio is subject to
the risk that its investment adviser will make poor stock selections. The Funds'
investment adviser, AXA Rosenberg Investment Management LLC (the "Adviser") will
apply its investment techniques and risk analyses in making investment decisions
for the Fund, but there can be no guarantee that they will produce the desired
results.

    SMALLER COMPANY RISK.  Market risk is particularly pronounced for this Fund
because it invests a significant percentage of its assets in the stocks of
companies with relatively small market capitalizations. These companies may have
limited product lines, markets or financial resources or may depend on a few key
employees.

    LIQUIDITY RISK.  Liquidity risk exists when particular investments are
difficult to purchase or sell, possibly preventing a Portfolio from selling out
of these illiquid securities at an advantageous price. Portfolios such as the
U.S. Small Capitalization Series and the International Small Capitalization
Series that invest significant percentages of their assets in smaller companies
are exposed to liquidity risk because the stocks of smaller companies are more
volatile and therefore may at times be more difficult to sell.

    For a more detailed description of these and other risks associated with an
investment in the Fund, turn to page   .

YEARLY PERFORMANCE (%) -- INSTITUTIONAL SHARES

EDGAR REPRESENTATION OF DATA POINTS USED IN PRINTED GRAPHIC

<TABLE>
<CAPTION>
   YEARLY PERFORMANCE
    CALENDAR YEAR END      ANNUAL RETURN (%)
<S>                        <C>
1990                                  -19.88%
1991                                   34.45%
1992                                   22.00%
1993                                   22.50%
1994                                    5.41%
1995                                   38.18%
1996                                   26.53%
1997                                   30.63%
1998                                   -4.03%
</TABLE>

                                       4
<PAGE>

    During all periods shown in the bar graph, the Fund's highest quarterly
return was 26.06%, for the quarter ended 3/31/91, and its lowest quarterly
return was -24.66%, for the quarter ended 9/30/90.


PERFORMANCE TABLE

    This table shows how the Fund's performance compares with the returns of a
broad based securities market index.

      AVERAGE ANNUAL TOTAL RETURNS (FOR PERIODS ENDING DECEMBER 31, 1998)


<TABLE>
<CAPTION>
                                                                                 PAST FIVE          SINCE
                                                                PAST ONE YEAR      YEARS         INCEPTION*
                                                                -------------  --------------  ---------------
<S>                                                             <C>            <C>             <C>
Institutional Shares..........................................        -4.03%          18.23%          15.53%
Russell 2000 Index............................................        -2.56%          11.87%          12.51%
Select Shares.................................................        -4.52%                          14.34%
Russell 2000 Index............................................                                        11.08%**
Adviser Shares................................................        -4.29%                          10.65%
Russell 2000 Index............................................                                         7.76%***
</TABLE>


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

*   Inception Dates: 2/22/89 for Institutional shares; 10/22/96 for Select
    shares; and 1/21/97 for Adviser shares.

**  Since inception of Select Class.

*** Since inception of Adviser Class.


    For the period January 1, 1999 through March 31, 1999, the aggregate
(non-annualized) total returns of Institutional Shares, Select Shares and
Adviser Shares were -8.92%, -8.84% and -8.93%, respectively. Index return for
that period was -5.43%.


                   INTERNATIONAL SMALL CAPITALIZATION SERIES

INVESTMENT OBJECTIVE

    The Fund seeks a return greater than that of the Casenove Rosenberg Global
Smaller Companies Index excluding the United States ("CRIexUS").

SUMMARY OF PRINCIPAL INVESTMENT STRATEGIES

    The Fund invests primarily in equity securities of smaller companies that
are traded principally in markets outside the United States with market
capitalizations of between $  million and $  billion at the time of purchase by
the Fund. Under normal circumstances, the Fund invests at least 90% of its net
assets in these international small-capitalization companies. The Fund will
place relatively greater emphasis on capital appreciation than on current
income.

                                       5
<PAGE>
SUMMARY OF PRINCIPAL RISKS

    As with any stock mutual fund, you may lose money if you invest in the Fund.
Among the principal risks that could adversely affect the value of the Fund's
shares and cause you to lose money on your investment are:

    INVESTMENT RISKS.  The value of Fund shares may increase or decrease
depending on external conditions affecting the Fund's portfolio. These
conditions depend upon market, economic, political, regulatory and other
factors.

    MANAGEMENT RISK.  Any actively managed investment portfolio is subject to
the risk that its investment adviser will make poor stock selections. The
Adviser will apply its investment techniques and risk analyses in making
investment decisions for the Fund, but there can be no guarantee that they will
produce the desired results.

    SMALLER COMPANY RISK.  Market risk is particularly pronounced for this Fund
because it invests a significant percentage of its assets in the stocks of
companies with relatively small market capitalizations. These companies may have
limited product lines, markets or financial resources or may depend on a few key
employees.

    FOREIGN INVESTMENT RISK.  As a result of its foreign investments, the Fund
may experience more rapid and extreme changes in value than funds that invest
solely in securities of U.S. companies. This is because the securities markets
of many foreign countries are relatively small, with a limited number of
companies representing a small number of industries. Additionally, issuers of
foreign securities are usually not subject to the same degree of regulation as
U.S. issuers. Reporting, accounting and auditing standards of foreign countries
differ, in some cases significantly, from U.S. standards. Also, nationalization,
expropriation or confiscatory taxation, currency blockage, political changes or
diplomatic developments could adversely affect a Fund's investments in a foreign
country.

    CURRENCY RISK.  As a result of its investments in securities denominated in,
and/or receiving revenues in, foreign currencies, the Fund will be subject to
currency risk. This is the risk that those currencies will decline in value
relative to the U.S. Dollar, or, in the case of hedging positions, that the U.S.
Dollar will decline in value relative to the currency hedged. In either event,
the dollar value of these types of investments would be adversely affected.

    LIQUIDITY RISK.  Liquidity risk exists when particular investments are
difficult to purchase or sell, possibly preventing a Portfolio from selling out
of these illiquid securities at an advantageous price. Portfolios such as the
U.S. Small Capitalization Series and the International Small Capitalization
Series that invest significant percentages of their assets in smaller companies
are exposed to liquidity risk because the stocks of smaller companies are more
volatile and therefore may at times be more difficult to sell.

    For a more detailed description of these and other risks associated with an
investment in the Fund, turn to page   .

                                       6
<PAGE>
YEARLY PERFORMANCE (%) -- INSTITUTIONAL SHARES

EDGAR REPRESENTATION OF DATA POINTS USED IN PRINTED GRAPHIC

<TABLE>
<CAPTION>
   YEARLY PERFORMANCE
    CALENDAR YEAR END      ANNUAL RETURN (%)
<S>                        <C>
1997                                  -11.73%
1998                                    4.12%
</TABLE>


    During all periods shown in the bar graph, the Fund's highest quarterly
return was 17.17%, for the quarter ended 3/31/98, and its lowest quarterly
return was -18.39%, for the quarter ended 9/30/98.


PERFORMANCE TABLE

    This table shows how the Fund's performance compares with the returns of an
index of funds with similar investment objectives and the returns of a broad
based securities market index.

      AVERAGE ANNUAL TOTAL RETURNS (FOR PERIODS ENDING DECEMBER 31, 1998)


<TABLE>
<CAPTION>
                                                                                                       SINCE
                                                                                   PAST ONE YEAR    INCEPTION*
                                                                                   -------------  ---------------
<S>                                                                                <C>            <C>
Institutional Shares.............................................................         4.12%         -3.47%
Salomon Smith Barney World ex US EMI.............................................       -18.64%        -12.92%
CRIexUS Index**..................................................................         3.23%         -5.84%
Select Shares....................................................................         3.64%         -4.09%
Salomon Smith Barney World ex US EMI.............................................                      -12.20%***
CRIexUS Index....................................................................                       -6.07%***
</TABLE>


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

*   Inception Dates: 9/23/96 for Institutional shares and 10/29/96 for Select
    shares.


**  The Cazenove Rosenberg Global Smaller Companies Index excluding the U.S.
    (CRIexUS) is the benchmark for the International Small Capitalization
    Series. It is an unmanaged index of non-U.S. small capitalization companies
    with market capitalizations up to $2.5 billion. The index includes 21
    developed countries: Australia, Austria, Belgium, Canada, Denmark, Finland,
    France, Germany, Hong Kong, Ireland, Italy, Japan, Malaysia, Netherlands,
    New Zealand, Norway, Singapore, Spain, Sweden, Switzerland and U.K.
    Investors cannot invest directly in any Index.


*** Since inception of Select Class.

                                       7
<PAGE>
    For the period January 1, 1999 through March 31, 1999, the aggregate
(non-annualized) total returns of Institutional Shares and Select Shares were
2.59% and 2.59%, respectively. Returns for the Salomon Smith Barney World ex US
EMI and the CRIexUS Index for that period were 9.01% and 1.13%, respectively.

                                  JAPAN SERIES

INVESTMENT OBJECTIVE

    The Fund seeks a return greater than that of the Tokyo Stock Price Index
("TOPIX").

SUMMARY OF PRINCIPAL INVESTMENT STRATEGIES

    The Fund invests primarily in the common stocks of well-established Japanese
companies that have an active market for their shares. The Fund may also invest
in other Japanese securities, such as convertible preferred stock or debentures,
and may purchase futures contracts or options on futures contracts on the Tokyo
Stock Price Index or the NIKKEI 225 Index. At all times, at least 65% of the
Fund's total assets will be invested in Japanese securities.

SUMMARY OF PRINCIPAL RISKS

    As with any stock mutual fund, you may lose money if you invest in the Fund.
Among the principal risks that could adversely affect the value of the Fund's
shares and cause you to lose money on your investment are:

    INVESTMENT RISKS.  The value of Fund shares may increase or decrease
depending on external conditions affecting the Fund's portfolio. These
conditions depend upon market, economic, political, regulatory and other
factors.

    MANAGEMENT RISK.  Any actively managed investment portfolio is subject to
the risk that its investment adviser will make poor stock selections. The
Adviser will apply its investment techniques and risk analyses in making
investment decisions for the Fund, but there can be no guarantee that they will
produce the desired results.

    FOREIGN INVESTMENT RISK.  As a result of its foreign investments, the Fund
may experience more rapid and extreme changes in value than funds that invest
solely in securities of U.S. companies. Additionally, issuers of foreign
securities are usually not subject to the same degree of regulation as U.S.
issuers. Reporting, accounting and auditing standards of foreign countries
differ, in some cases significantly, from U.S. standards. Also, nationalization,
expropriation or confiscatory taxation, currency blockage, political changes or
diplomatic developments could adversely affect a Fund's investments in a foreign
country.

    RISKS OF INVESTING IN JAPANESE SECURITIES.  Unlike other mutual funds which
invest in the securities of many countries, the Fund will invest almost
exclusively in Japanese Securities. In addition to the risks associated with
investing in foreign securities generally, investments in the Fund will be
subject to the market risk associated with investing almost exclusively in
stocks of companies which are subject to Japanese economic factors and
conditions. Since the Japanese economy is dependent to a significant extent on
foreign trade, the relationships between Japan and its trading partners and
between the yen and other currencies are expected to have a significant impact
on particular Japanese companies and on the Japanese economy generally.

    CURRENCY RISK.  As a result of its investments in securities denominated in,
and/or receiving revenues in, foreign currencies, the Fund will be subject to
currency risk. This is the risk that those currencies will decline

                                       8
<PAGE>
in value relative to the U.S. Dollar, or, in the case of hedging positions, that
the U.S. Dollar will decline in value relative to the currency hedged. In either
event, the dollar value of these types of investments would be adversely
affected.

    For a more detailed description of these and other risks associated with an
investment in the Fund, turn to page   .

YEARLY PERFORMANCE (%) -- INSTITUTIONAL SHARES

EDGAR REPRESENTATION OF DATA POINTS USED IN PRINTED GRAPHIC

<TABLE>
<CAPTION>
   YEARLY PERFORMANCE
    CALENDAR YEAR END      ANNUAL RETURN (%)
<S>                        <C>
1990                                  -29.75%
1991                                    3.57%
1992                                  -21.57%
1993                                   21.73%
1994                                   25.59%
1995                                    0.10%
1996                                  -19.09%
1997                                  -34.75%
1998                                    5.65%
</TABLE>


    During all periods shown in the bar graph, the Fund's highest quarterly
return was 28.23%, for the quarter ended 12/31/98, and its lowest quarterly
return was -26.71%, for the quarter ended 3/31/90.


PERFORMANCE TABLE

    This table shows how the Fund's performance compares with the returns of a
broad based securities market index.

      AVERAGE ANNUAL TOTAL RETURNS (FOR PERIODS ENDING DECEMBER 31, 1998)


<TABLE>
<CAPTION>
                                                                                    PAST FIVE          SINCE
                                                                   PAST ONE YEAR      YEARS         INCEPTION*
                                                                   -------------  --------------  ---------------
<S>                                                                <C>            <C>             <C>
Institutional Shares.............................................         5.65%          -6.85%           -5.82%
TOPIX............................................................         5.79%          -4.84            -5.68%
Select Shares....................................................         5.66%                          -20.46%
TOPIX............................................................                                        -16.10%**
</TABLE>


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

*   Inception Dates: 1/3/89 for Institutional shares and 10/22/96 for Select
    shares.

**  Since inception of Select Class.


    For the period January 1, 1999 through March 31, 1999, the aggregate
(non-annualized) total returns of Institutional Shares and Select Shares were
12.35% and 12.16%, respectively. Index return for that period was 13.47%.


                                       9
<PAGE>
                               FEES AND EXPENSES

    THESE TABLES DESCRIBE THE FEES AND EXPENSES THAT YOU MAY PAY IF YOU BUY AND
HOLD SHARES OF THE FUNDS.

<TABLE>
<S>                                                                                      <C>
SHAREHOLDER FEES (paid directly from your investment):
  Maximum Sales Charge (Load) Imposed on Purchases.....................................       None
  Maximum Deferred Sales Charge (Load).................................................       None
  Maximum Sales Charge (Load) Imposed on Reinvested Dividends..........................       None
  Redemption Fee.......................................................................       None
  Exchange Fee.........................................................................       None
</TABLE>


                         ANNUAL FUND OPERATING EXPENSES
                 (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)



<TABLE>
<CAPTION>
                                                                              INTERNATIONAL SMALL
FUND                                      U.S. SMALL CAPITALIZATION SERIES   CAPITALIZATION SERIES         JAPAN SERIES
- ----------------------------------------  --------------------------------   ----------------------   -----------------------
CLASS OF SHARES                           INSTITUTIONAL   ADVISER   SELECT   INSTITUTIONAL   SELECT   INSTITUTIONAL   SELECT
- ----------------------------------------  -------------   -------   ------   -------------   ------   -------------   -------
<S>                                       <C>             <C>       <C>      <C>             <C>      <C>             <C>
Management Fees.........................       0.90%        0.90%    0.90%        1.00%       1.00%        1.00%        1.00%
Distribution and Shareholder Service
  (12b-1) Fees..........................          0%        0.25%    0.25%           0%       0.25%           0%        0.25%
Other Expenses*.........................       0.29%        0.29%    0.44%        0.97%       1.12%       13.32%       13.47%
                                                ---       -------   ------         ---       ------       -----       -------
Total Annual Fund Operating Expenses....       1.19%        1.44%    1.59%        1.97%       2.37%       14.32%       14.72%
Fee Waiver**............................       0.04%        0.04%    0.04%        0.47%       0.47%       12.82%       12.82%
                                                ---       -------   ------         ---       ------       -----       -------
Net Expenses............................       1.15%        1.40%    1.55%        1.50%       1.90%        1.50%        1.90%
                                                ---       -------   ------         ---       ------       -----       -------
                                                ---       -------   ------         ---       ------       -----       -------
</TABLE>


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


*   As of 3/31/99, the Trustee have reduced the maximum amount payable by Select
    shares under the Trust's distribution and shareholder service plan from
    0.50% to 0.25% of the average daily net assets attributable to such shares.
    These figures therefore are based on the contractual maximum for the current
    fiscal year.



**  As of 3/31/99, the Trustees have authorized the payment of up to 0.15% of
    each Fund's average daily net assets attributable to Select Shares for
    subtransfer and subaccounting services in connection with such shares. The
    expense information in the table has therefore been restated to reflect
    current fees.



*** Reflects an undertaking by the Adviser to waive its management fee and bear
    certain expenses (exclusive of nonrecurring account fees, extraordinary
    expenses) until further notice (and in any event at least until 3/31/00)
    and/or a conditional fee waiver by the Administrator based on the reasonable
    expectation that the relevant conditions will continue through March 31,
    2000.


EXAMPLE

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

                                       10
<PAGE>
    The example assumes that you invest $10,000 in a Fund for the time periods
indicated and then redeem all of your shares at the end of those periods. The
example also assumes that your investment earns a 5% return each year and that
the Fund's operating expenses remain the same as the Total Annual Fund Operating
Expenses shown above. Your actual costs may be higher or lower. Based on these
assumptions, your costs would be:


<TABLE>
<CAPTION>
FUND                                                  CLASS         1 YEAR      3 YEARS    5 YEARS   10 YEARS
- ------------------------------------------------  --------------  -----------  ---------  ---------  ---------
<S>                                               <C>             <C>          <C>        <C>        <C>
U.S. Small Capitalization Series................  Institutional    $     117   $     374  $     651  $   1,442
                                                  Adviser          $     143   $     452  $     784  $   1,724
                                                  Select           $     158   $     498  $     862  $   1,889

International Small Capitalization Series.......  Institutional    $     153   $     575  $   1,027  $   2,304
                                                  Select           $     193   $     697  $   1,233  $   2,724

Japan Series....................................  Institutional    $     153   $   3,222  $   6,509  $  15,789
                                                  Select           $     193   $   3,323  $   6,650  $  15,914
</TABLE>


                        PRINCIPAL INVESTMENT STRATEGIES

U.S. SMALL CAPITALIZATION SERIES


    The investment objective of the U.S. Small Capitalization Series is to seek
total return greater than that of the Russell 2000 Index through investment
primarily in equity securities of smaller companies (I.E. -- companies that have
market capitalizations of up to 1.4 billion) that are traded principally in the
markets of the United States ("Small Capitalization Securities"). Total return
is a combination of capital appreciation and current income (dividend or
interest). The Fund does not seek to MAXIMIZE total return but, as indicated
above, seeks a total return greater than that of the index referred to above.
Because the companies in which the Fund invests typically do not distribute
significant amounts of company earnings to shareholders, the Fund's objective
will place relatively greater emphasis on capital appreciation than on current
income. The Fund's investment objective is non-fundamental and thus may be
changed by the Trustees without shareholder approval.


    It is currently expected that, under normal circumstances, most of the
Fund's assets will be invested in small capitalization securities. Investments
in issuers of small capitalization securities may present greater opportunities
for capital appreciation because of high potential earnings growth, but may also
involve greater risk. See "Principal Risks -- Smaller Company Risk."

    To meet redemption requests or for investment purposes, the Fund may also
temporarily hold a portion of its assets not invested in small capitalization
securities in full faith and credit obligations of the United States government
(E.G., U.S. Treasury Bills) and in short-term notes, commercial paper or other
money market instruments of high quality (I.E., rated at least "A-2" or "AA" by
Standard & Poor's ("S&P") or Prime 2 or "Aa" by Moody's Investors Service, Inc.
("Moody's")) issued by companies having an outstanding debt issue rated at least
"AA" by S&P or at least "Aa" by Moody's, or determined by the Adviser to be of
comparable quality to any of the foregoing. The Fund may also invest in stock
index futures and repurchase agreements. See "Certain Investment Techniques and
Related Risks -- Stock Index Futures and -- Repurchase Agreements."

                                       11
<PAGE>
    Also, the Fund may invest without limit in common stocks of foreign issuers
that are principally traded in the markets of the United States. Investments in
common stocks of foreign issuers may involve certain special risks due to
foreign economic, political and legal developments. See "Principal Risks --
Foreign Investment Risk." The Fund will not invest in securities which are
principally traded outside of the United States.

    FUNDAMENTAL POLICIES.  The Fund will normally invest most of its assets in
small capitalization securities, and it is a fundamental policy of the Fund,
which may not be changed without shareholder approval, that at least 65% of the
Fund's total assets will be invested in Small Capitalization Securities.

INTERNATIONAL SMALL CAPITALIZATION SERIES


    The investment objective of the International Small Capitalization Series is
to seek total return greater than that of the Cazenove Rosenberg Global Smaller
Companies Index excluding the United States ("CRIexUS") through investment
primarily in equity securities that are traded principally in securities markets
outside of the United States of companies with market capitalizations of between
$14 million and $2.5 billion at the time of purchase by the Fund ("international
small capitalization companies"). This corresponds with the current defining
range of market capitalization of companies in CRIexUS, which represents the
performance of companies in the lowest 15% by market capitalization in mature
markets other than the United States. The definition of international small
capitalization companies may change from time to time to correspond with the
market capitalizations of companies included in CRIexUS as it may be adjusted
from time to time. Total return is a combination of capital appreciation and
current income (dividend or interest). The Fund does not seek to MAXIMIZE total
return but, as indicated above, seeks a total return greater than that of the
index referred to above. Because the companies in which the Fund invests
typically do not distribute significant amounts of company earnings to
shareholders, the Fund's objective will place relatively greater emphasis on
capital appreciation than on current income. The Fund's investment objective is
non-fundamental and thus may be changed by the Trustees without shareholder
approval.


    There are no prescribed limits on the Fund's geographic asset distribution,
and the Fund has the authority to invest in securities traded in securities
markets of any country in the world. It is currently expected that the Fund will
invest in approximately twenty-one different countries across three regions --
Europe, Pacific and North America (excluding the United States). Under certain
adverse investment conditions, the Fund may restrict the number of securities
markets in which its assets will be invested, although under normal market
circumstances, the Fund's investments will involve securities principally traded
in at least three different countries.

    Under normal circumstances, at least 90% of the Fund's net assets will be
invested in common stocks of international small capitalization companies and it
is the non-fundamental policy of the Fund to invest at least 65% of the Fund's
total assets in common stocks of international small capitalization companies.
Investments in such companies may present greater opportunities for capital
appreciation because of high potential earnings growth, but may also involve
greater risk. See "Principal Risks -- Smaller Company Risk."

    The Fund will not normally invest in securities of United States issuers
traded on United States securities markets.

                                       12
<PAGE>
JAPAN SERIES

    The investment objective of the Japan Series is to seek total return greater
than that of the Tokyo Stock Price Index ("TOPIX") of the Tokyo Stock Exchange.
TOPIX is a capitalization-weighted index of all stocks in the First Section of
the Tokyo Stock Exchange. The Fund will seek to meet this objective primarily
through investment in Japanese equity securities, primarily in common stocks of
Japanese companies. Total return is a combination of capital appreciation and
current income (dividend or interest). The Fund does not seek to MAXIMIZE total
return but, as indicated above, seeks a total return greater than that of the
index referred to above. The Fund expects that any income it derives will be
from dividend or interest payments on securities. The Fund's investment
objective is non-fundamental and thus may be changed by the Trustees without
shareholder approval.

    It is currently expected that, under normal circumstances, the Fund will
invest at least 90% of its net assets in "Japanese Securities," that is,
securities issued by entities ("Japanese Companies") that are organized under
the laws of Japan and that either have 50% or more of their assets in Japan or
derive 50% or more of their revenues from Japan. Although the Fund will invest
primarily in common stocks of Japanese Companies, it may also invest in other
Japanese Securities, such as convertible preferred stock or debentures, warrants
or rights, as well as short-term government debt securities or other short-term
prime obligations (I.E., high quality debt obligations maturing not more than
one year from the date of issuance). The Fund will not ordinarily purchase
warrants or rights, although it may receive warrants or rights through
distributions on other securities it owns. In those cases, the Fund expects to
sell such warrants and rights within a reasonable period of time following their
distribution to the Fund. The Fund does not currently expect to own warrants or
rights with an aggregate value of greater than 5% of the Fund's net assets.

    The Fund currently intends to make its investments in Japanese Securities,
principally in well-established Japanese Companies that have an active market
for their shares. Japanese Companies will be considered well-established if they
have been subject for at least two years to the financial accounting rules for a
company whose securities are traded on a Japanese securities exchange. In the
discretion of the Fund's management, the balance of the Fund's investments may
be in companies that do not meet such qualifications, although the nature of the
market for the shares will always be an important consideration in determining
whether the Fund will invest in such shares. The Fund anticipates that most
Japanese equity securities in which it will invest, either directly or
indirectly (by means of convertible debentures), will be listed on securities
exchanges in Japan.

    Unlike other mutual funds which invest in the securities of many countries,
the Fund will invest almost exclusively in Japanese Securities. Generally, the
Adviser will not vary the percentage of the Fund's assets which are invested in
Japanese Securities based on its assessment of Japanese economic, political or
regulatory developments or changes in currency exchange rates. However, the
Adviser has from time to time hedged up to 21% of the Fund's portfolio value and
reserves the right to hedge up to 100% of the Fund's total assets against a
possible decline in the Japanese Securities market by utilizing futures and
options on futures on Japanese stock indices as described above.

    Because a high percentage of the Fund's assets will be invested in Japanese
Securities, investment in the Fund will involve the general risks associated
with investing in foreign securities. See "Principal Risks -- Foreign Investment
Risk." In addition, investors will be subject to the market risk associated with
investing

                                       13
<PAGE>
almost exclusively in stocks of companies which are subject to Japanese economic
factors and conditions. Since the Japanese economy is dependent to a significant
extent on foreign trade, the relationships between Japan and its trading
partners and between the yen and other currencies are expected to have a
significant impact on particular Japanese companies and on the Japanese economy
generally. The Fund is designed for investors who are willing to accept the
risks associated with changes in such conditions and relationships.

    INDEX FUTURES.  The Fund may also purchase futures contracts or options on
futures contracts on TOPIX or the NIKKEI 225 Index ("NIKKEI") for investment
purposes. TOPIX futures are traded on the Chicago Board of Trade and NIKKEI
futures are traded on the Chicago Mercantile Exchange. See "Certain Investment
Techniques and Related Risks -- Stock Index Futures."

    FUNDAMENTAL POLICIES.  The Fund will normally invest at least 90% of its net
assets in Japanese Securities, and it is a fundamental policy of the Fund, which
may not be changed without shareholder approval, that at least 65% of the Fund's
total assets will be invested in Japanese Securities.

                                PRINCIPAL RISKS

    The value of your investment in a fund changes with the values of the fund's
investments. Many factors can affect those values. This section describes the
principal risks that may affect a particular Fund's investments as a whole. Any
Fund could be subject to additional principal risks because the types of
investments made by the Funds can change over time.

    INVESTMENT RISKS.  An investment in the Funds involves risks similar to
those of investing in common stocks directly. Just as with common stocks, the
value of Fund shares may increase or decrease depending on market, economic,
political, regulatory and other conditions affecting a Fund's portfolio. These
types of risks may be greater with respect to investments in securities of
foreign issuers. Investment in shares of the Funds is, like investment in common
stocks, more volatile and risky than some other forms of investment.

    MANAGEMENT RISK.  Each Fund is subject to management risk because it is an
actively managed investment portfolio. This is the risk that Adviser will make
poor stock selections. The Adviser will apply its investment techniques and risk
analyses in making investment decisions for the Fund, but there can be no
guarantee that they will produce the desired results. In some cases, certain
investments may be unavailable or the Adviser may not choose certain investments
under market conditions when, in retrospect, their use would have been
beneficial to a particular Fund or Funds.

    SMALLER COMPANY RISK.  As specified above, the U.S. Small Capitalization
Series and the International Small Capitalization Series will invest a
relatively high percentage of their assets in companies with relatively small
market capitalizations. Companies with small market capitalizations may be
dependent upon a single proprietary product or market niche, may have limited
product lines, markets or financial resources, or may depend on a limited
management group. Typically, such companies have fewer securities outstanding,
which may be less liquid than securities of larger companies. Their common stock
and other securities may trade less frequently and in limited volume and are
generally more sensitive to purchase and sale transactions. Therefore, the
prices of such securities tend to be more volatile than the prices of securities
of companies with larger market capitalizations. As a result, the absolute
values of changes in the price of securities of companies with small market
capitalizations may be greater than those of larger, more established companies.

                                       14
<PAGE>
    FOREIGN INVESTMENT RISK.  Investing in foreign securities (I.E. those which
are traded principally in markets outside of the United States) involves certain
risks not typically found in investing in U.S. domestic securities. These
include risks of adverse changes in foreign economic, political, regulatory and
other conditions, and changes in currency exchange rates, exchange control
regulations (including currency blockage), expropriation of assets or
nationalization, imposition of withholding taxes on dividend or interest
payments, and possible difficulty in obtaining and enforcing judgments against
foreign entities. Furthermore, issuers of foreign securities are subject to
different, and often less comprehensive, accounting, reporting and disclosure
requirements than domestic issuers. In certain countries, legal remedies
available to investors may be more limited than those available with respect to
investments in the United States or other countries. The laws of some foreign
countries may limit a Fund's ability to invest in securities of certain issuers
located in those countries. The securities of some foreign issuers and
securities traded principally in foreign securities markets are less liquid and
at times more volatile than securities of comparable U.S. issuers and securities
traded principally in U.S. securities markets. Foreign brokerage commissions and
other fees are also generally higher than those charged in the United States.
There are also special tax considerations which apply to securities of foreign
issuers and securities traded principally in foreign securities markets. See
"Taxes."

    JAPANESE SECURITIES RISK.  Investment in the Japan Series will involve
foreign investment risk because that Fund will invest almost exclusively in
Japanese Securities. In addition, investors will be subject to the market risk
associated with investing almost exclusively in stocks of companies which are
subject to Japanese economic factors and conditions. Since the Japanese economy
is dependent to a significant extent on foreign trade, the relationships between
Japan and its trading partners and between the yen and other currencies are
expected to have a significant impact on particular Japanese companies and on
the Japanese economy generally.

    CURRENCY RISK.  As a result of their investments in securities denominated
in, and/or receiving revenues in, foreign currencies, the International Equity
Portfolios of the Trust (I.E. the International Small Capitalization Series and
the Japan Series) will be subject to currency risk. This is the risk that those
currencies will decline in value relative to the U.S. Dollar, or, in the case of
hedging positions, that the U.S. Dollar will decline in value relative to the
currency hedged. In either event, the dollar value of these types of investments
would be adversely affected.

    INDEX FUTURES RISK.  Each of the Funds may at times use index futures, which
are financial contracts whose value depends on, or is derived from, the value of
an underlying index. Index futures involve the risk of mispricing or improper
valuation and the risk that changes in the value of an index future may not
correlate perfectly with the relevant index.

    LIQUIDITY RISK.  Each Fund may purchase "illiquid securities," defined as
securities which cannot be sold or disposed of in the ordinary course of
business within seven days at approximately the value at which a Fund has valued
such securities, so long as no more than 15% of the Fund's net assets would be
invested in such illiquid securities after giving effect to the purchase.
Investment in illiquid securities involves the risk that, because of the lack of
consistent market demand for such securities, the Fund may be forced to sell
them at a discount from the last offer price.

    PORTFOLIO TURNOVER.  Portfolio turnover is not a limiting factor with
respect to investment decisions. The rate of a Fund's portfolio turnover may
vary significantly from time to time depending on the volatility of

                                       15
<PAGE>
economic and market conditions. High portfolio turnover involves correspondingly
greater brokerage commissions or dealer markup and other transaction costs,
which will be borne directly by a Fund, and could involve realization of capital
gains that would be taxable when distributed to shareholders of such Fund. To
the extent portfolio turnover results in the realization of net short-term
capital gains, such gains ordinarily are taxed to shareholders at ordinary
income tax rates. See "Taxes."

    RISK OF YEAR 2000 PROBLEMS.  Many services provided to the Funds depend on
the smooth functioning of computer systems. Many systems in use today cannot
distinguish between the year 1900 and the year 2000. Any failure of the service
systems to process information properly could have an adverse impact on the
Funds' operations and the services they provide to shareholders. The Adviser,
Transfer Agent, Custodian, Administrator and certain other service providers to
the Funds have reported that each is working toward minimizing the risks
associated with the so-called "year 2000 problem." However, the Funds and the
Adviser cannot be certain that they or their various service providers will be
able to correct the year 2000 problem in all respects and that such problems
will not adversely affect the Funds' operations and the services provided to
shareholders.

                CERTAIN INVESTMENT TECHNIQUES AND RELATED RISKS

    The Funds have the flexibility to invest, within limits, in a variety of
instruments designed to enhance their investment capabilities. A brief
description of certain of these investment instruments and the risks associated
with them appears below. You can find more detailed information in the Trust's
Statement of Additional Information ("SAI").

    FOREIGN EXCHANGE TRANSACTIONS.  The International Equity Portfolios of the
Trust do not currently intend to hedge the currency risk associated with
investments in securities denominated in foreign currencies. However, in order
to hedge against possible variations in foreign exchange rates pending the
settlement of securities transactions, the International Equity Portfolios
reserve the right to buy or sell foreign currencies or to deal in forward
foreign currency contracts; that is, to agree to buy or sell a specified
currency at a specified price and future date. The International Equity
Portfolios also reserve the right to purchase currency futures contracts and
related options thereon for similar purposes. For example, if the Adviser
anticipates that the value of the yen will rise relative to the dollar, a Fund
could purchase a currency futures contract or a call option thereon or sell
(write) a put option to protect against a currency-related increase in the price
of yen-denominated securities such Fund intends to purchase. If the Adviser
anticipates a fall in the value of the yen relative to the dollar, a Fund could
sell a currency futures contract or a call option thereon or purchase a put
option on such futures contract as a hedge. If the International Equity
Portfolios change their present intention and decide to utilize hedging
strategies, futures contracts and related options will be used only as a hedge
against anticipated currency rate changes (not for investment purposes) and all
options on currency futures written by a Fund will be covered. These practices,
if utilized, may present risks different from or in addition to the risks
associated with investments in foreign currencies.

    STOCK INDEX FUTURES.  A stock index futures contract (an "Index Future") is
a contract to buy an integral number of units of the relevant index at a
specified future date at a price agreed upon when the contract is made. A unit
is the value at a given time of the relevant index. An option on an Index Future
gives the purchaser the right, in return for the premium paid, to assume a long
or a short position in an Index Future. A

                                       16
<PAGE>
Fund will realize a loss if the value of an Index Future declines between the
time the Fund purchases an Index Future or takes a long position in an Index
Future and may realize a gain if the value of the Index Future rises
between such dates.

    In connection with a Fund's investment in common stocks, a Fund may invest
in Index Futures while the Adviser seeks favorable terms from brokers to effect
transactions in common stocks selected for purchase. A Fund may also invest in
Index Futures when the Adviser believes that there are not enough attractive
common stocks available to maintain the standards of diversity and liquidity set
for the Fund pending investment in such stocks when they do become available.
Through the use of Index Futures, a Fund may maintain a portfolio with
diversified risk without incurring the substantial brokerage costs which may be
associated with investment in multiple issuers. This may permit a Fund to avoid
potential market and liquidity problems (E.G., driving up or forcing down the
price by quickly purchasing or selling shares of a portfolio security) which may
result from increases or decreases in positions already held by a Fund. A Fund
may also use Index Futures in order to hedge its equity positions.

    In contrast to purchases of a common stock, no price is paid or received by
a Fund upon the purchase of a futures contract. Upon entering into a futures
contract, a Fund will be required to deposit with its custodian in a segregated
account in the name of the futures broker a specified amount of cash or
securities. This is known by participants in the market as "initial margin." The
type of instruments that may be deposited as initial margin, and the required
amount of initial margin, are determined by the futures exchange on which the
Index Futures are traded. The nature of initial margin in futures transactions
is different from that of margin in securities transactions in that futures
contract margin does not involve the borrowing of funds by the customer to
finance the transactions. Rather, the initial margin is in the nature of a
performance bond or good faith deposit on the contract which is returned to the
Fund upon termination of the futures contract, assuming all contractual
obligations have been satisfied. Subsequent payments, called "variation margin,"
to and from the broker, will be made on a daily basis as the price of the
particular Index fluctuates, making the position in the futures contract more or
less valuable, a process known as "marking to the market."

    A Fund may close out a futures contract purchase by entering into a futures
contract sale. This will operate to terminate the Fund's position in the futures
contract. Final determinations of variation margin are then made, additional
cash is required to be paid by or released to the Fund, and the Fund realizes a
loss or a gain.

    A Fund's use of Index Futures involves risk. Positions in Index Futures may
be closed out by a Fund only on the futures exchanges on which the Index Futures
are then traded. There can be no assurance that a liquid market will exist for
any particular contract at any particular time. The liquidity of the market in
futures contracts could be adversely affected by "daily price fluctuation
limits" established by the relevant futures exchange which limit the amount of
fluctuation in the price of an Index Futures contract during a single trading
day. Once the daily limit has been reached in the contract, no trades may be
entered into at a price beyond the limit. In such events, it may not be possible
for a Fund to close its futures contract purchase, and, in the event of adverse
price movements, a Fund would continue to be required to make daily cash
payments of variation margin. The futures market may also attract more
speculators than does the securities market, because deposit requirements in the
futures market are less onerous than margin requirements in the

                                       17
<PAGE>
securities market. Increased participation by speculators in the futures market
may also cause price distortions. In addition, the price of Index Futures may
not correlate perfectly with movement in the underlying index due to certain
market disturbances.

    A Fund will not purchase Index Futures if, as a result, the Fund's initial
margin deposits on transactions that do not constitute "bona fide hedging" under
relevant regulations of the Commodities Futures Trading Commission would be
greater than 5% of the Fund's total assets. In addition to margin deposits, when
a Fund purchases an Index Future, it is required to maintain, at all times while
an Index Future is held by the Fund, cash, U.S. Government securities or other
high grade liquid securities in a segregated account with its Custodian, in an
amount which, together with the initial margin deposit on the futures contract,
is equal to the current value of the futures contract.

    Further, the ability to establish and close out positions in options on
future contracts will be subject to the development and maintenance of a liquid
secondary market. It is not certain that such a market will develop. There is no
assurance that a liquid secondary market will exist for any particular option or
at any particular time.

    REPURCHASE AGREEMENTS.  Each Fund may enter into repurchase agreements, by
which a Fund purchases a security and obtains a simultaneous commitment from the
seller (a bank or, to the extent permitted by the Investment Company Act of
1940, as amended (the "1940 Act") a recognized securities dealer) to repurchase
the security at an agreed-upon price and date (usually seven days or less from
the date of original purchase). The resale price is in excess of the purchase
price and reflects an agreed-upon market rate unrelated to the coupon rate on
the purchased security. Such transactions afford a Fund the opportunity to earn
a return on temporarily available cash. Although the underlying security may be
a bill, certificate of indebtedness, note or bond issued by an agency, authority
or instrumentality of the U.S. Government, the obligation of the seller is not
guaranteed by the U.S. Government and there is a risk that the seller may fail
to repurchase the underlying security. In such event, a Fund would attempt to
exercise rights with respect to the underlying security, including possible
disposition in the market. However, a Fund may be subject to various delays and
risks of loss, including (a) possible declines in the value of the underlying
security during the period while a Fund seeks to enforce its rights thereto and
(b) inability to enforce rights and the expenses involved in attempted
enforcement.

    LOANS OF PORTFOLIO SECURITIES.  Each Fund may lend some or all of its
portfolio securities to broker-dealers. Securities loans are made to
broker-dealers pursuant to agreements requiring that loans be continuously
secured by collateral in cash or U.S. Government securities at least equal at
all times to the market value of the securities lent. The borrower pays to the
lending Fund an amount equal to any dividends or interest received on the
securities lent. When the collateral is cash, the Fund may invest the cash
collateral in interest-bearing, short-term securities. When the collateral is
U.S. Government securities, the Fund usually receives a fee from the borrower.
Although voting rights or rights to consent with respect to the loaned
securities pass to the borrower, a Fund retains the right to call the loans at
any time on reasonable notice, and it will do so in order that the securities
may be voted by the Fund if the holders of such securities are asked to vote
upon or consent to matters materially affecting the investment. A Fund may also
call such loans in order to sell the securities involved. The risks in lending
portfolio securities, as with other extensions of credit, include possible delay
in recovery of the securities or possible loss of rights in the collateral
should the

                                       18
<PAGE>
borrower fail financially. However, such loans will be made only to
broker-dealers that are believed by the Adviser to be of relatively high credit
standing.

                   MANAGEMENT DISCUSSION OF FUND PERFORMANCE

U.S. SMALL CAPITALIZATION SERIES

    From a performance attribution perspective, much of the Fund's
underperformance relative to its benchmark for the year ended March 31, 1999,
was attributable to holding less actively traded stocks relative to the Russell
2000. Overall, the differences between the industry weightings of the Fund and
the Russell 2000 Index hurt the performance of the Fund. Modest overexposure to
the strong performing Service industry (3.12% above the Russell 2000 weight)
helped the Fund's performance relative to the Russell 2000 Index. On the
negative side, underexposure to the strong performing Telephone (3.01% below the
Russell 2000 weight), Real Estate Assets (2.18% below the Russell 2000 weight)
and Electric Utilities (1.07% below the Russell 2000 weight) industries hurt the
Fund's relative performance.


    It is important to note that the differences in risk factors and industry
exposures between the Fund and its benchmark, the Russell 2000 Index, are
modest. In addition, these exposures are the result of the Adviser's bottom-up
stock selection models and not top-down predictions of the returns for the risk
factors or industries. Over time, the return contribution from these exposures
is expected to be small relative to the independent contribution from stock
selection.


                        U.S. SMALL CAPITALIZATION SERIES
            (BASED ON THE PERFORMANCE OF INSTITUTIONAL SHARES ONLY)

EDGAR REPRESENTATION OF DATA POINTS USED IN PRINTED GRAPHIC

<TABLE>
<CAPTION>
           US SMALL CAP SERIES   RUSSELL 2000
<S>        <C>                   <C>
1989                 $1,000,000    $1,000,000
1990                 $1,074,145    $1,055,330
1991                 $1,090,875    $1,126,901
1992                 $1,263,166    $1,363,735
1993                 $1,547,461    $1,566,262
1994                 $1,745,950    $1,738,538
1995                 $1,959,423    $1,834,212
1996                 $2,658,626    $2,367,285
1997                 $3,177,964    $2,488,269
1998                 $4,606,424    $3,533,668
1999                 $3,659,382    $2,959,009
</TABLE>

                                       19
<PAGE>
            AVERAGE ANNUAL TOTAL RETURN (FOR PERIODS ENDED 3/31/98)


<TABLE>
<CAPTION>
                                                                  1 YEAR       5 YEARS     10 YEARS     SINCE INCEPTION*
                                                                -----------  -----------  -----------  ------------------
<S>                                                             <C>          <C>          <C>          <C>
U.S. Small Capitalization Series (Institutional Shares).......     -20.56%       15.95%       13.85%
Russell 2000 Index............................................     -16.26%       11.22%       11.46%
U.S. Small Capitalization Series (Select Shares)..............     -20.75%                                     8.60%
Russell 2000 Index (since inception of Select Shares).........     -16.26%                                     7.37%
U.S. Small Capitalization Series (Adviser Shares).............     -20.70%                                     4.82%
Russell 2000 Index (since inception of Adviser Shares)........     -16.26%                                     4.12%
</TABLE>


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

*   Inception dates: October 22, 1996 for Select Shares and January 21, 1997 for
    Adviser Shares.

    THE NUMBERS REPORTED IN BOTH THE GRAPH AND THE TABLE REPRESENT PAST
PERFORMANCE AND ARE NOT PREDICTIVE OF FUTURE PERFORMANCES. THE PERFORMANCE OF
ADVISER SHARES AND SELECT SHARES WILL BE LOWER THAN THE PERFORMANCE OF
INSTITUTIONAL SHARES BECAUSE OF THE HIGHER FEES PAID BY SHAREHOLDERS INVESTING
IN SUCH CLASSES.

INTERNATIONAL SMALL CAPITALIZATION SERIES

    The International Small Capitalization Series follows a systematic and
disciplined approach to international investing. Our portfolio closely tracks
the country and industry exposures of the benchmark with a diversification of
over 400 holdings in more than 21 countries. As of March 31, 1999, the top 10
holdings accounted for about 15% of the total portfolio. Approximately 70% of
the holdings were invested in Europe. Construction and Home Building, together
with Metal and Machinery Products represented 18% of the portfolio. The
price-to-positive-earnings ratio of the portfolio was 12.3, and the median
market capitalization of the holdings was approximately $230 million.

    For the year ending March 31, 1999, the Fund outperformed its benchmark, the
Cazenove Rosenberg Global Smaller Companies Index excluding the U.S.(1) Since
inception, the Fund's performance has also exceeded that of its benchmark. We
strive to add value through bottom-up stock selection and avoid heavy bets on
countries and industries.

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

(1) The Cazenove Rosenberg Global Smaller Companies Index excluding the U.S.
    (CRIexUS) is the benchmark for the International Small Capitalization
    Series. It is an unmanaged index of non-U.S. small capitalization companies
    with market capitalization up to $3.4 billion. The index includes 21
    developed countries: Australia, Austria, Belgium, Canada, Denmark, Finland,
    France, Germany, Hong Kong, Ireland, Italy, Japan, Malaysia, Netherlands,
    New Zealand, Norway, Singapore, Spain, Sweden, Switzerland and U.K.
    Investors cannot invest directly in any Index.

                                       20
<PAGE>
                   INTERNATIONAL SMALL CAPITALIZATION SERIES
            (BASED ON THE PERFORMANCE OF INSTITUTIONAL SHARES ONLY)

EDGAR REPRESENTATION OF DATA POINTS USED IN PRINTED GRAPHIC

<TABLE>
<CAPTION>
                                     SALOMON SMITH
           INT'L SMALL               BARNEY WORLD
           CAP SERIES    CRIEXUS       EX US EMI
<S>        <C>          <C>         <C>
1996        $1,000,000  $1,000,000       $1,000,000
1997        $1,013,000    $991,182       $1,089,046
1998        $1,038,436    $995,775         $975,381
1999          $946,721    $883,210         $798,555
</TABLE>

            AVERAGE ANNUAL TOTAL RETURN (FOR PERIODS ENDED 3/31/99)


<TABLE>
<CAPTION>
                                                                                         1 YEAR     SINCE INCEPTION*
                                                                                       -----------  ----------------
<S>                                                                                    <C>          <C>
International Small Capitalization Series
  (Institutional Shares).............................................................      -8.83%         -2.15%
Salomon Smith Barney World ex Us Emi.................................................     -18.13%         -8.61%
CRIexUS Index........................................................................     -11.30%         -4.85%
International Small Capitalization Series (Select Shares)............................      -9.16%         -2.66%
Salomon Smith Barney World ex Us Emi (since inception of Select Shares)..............     -18.13%         -7.78%
CRIexUS Index (since inception of Select Shares).....................................     -11.30%         -5.02%
</TABLE>


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

*   Inception Dates: September 23, 1996 for Institutional Shares; October 29,
    1996 for Select Shares.

    THE NUMBERS REPORTED IN BOTH THE GRAPH AND THE TABLE REPRESENT PAST
PERFORMANCE AND ARE NOT PREDICTIVE OF FUTURE RESULTS. THE PERFORMANCE OF SELECT
SHARES WILL BE LOWER THAN THE PERFORMANCE OF INSTITUTIONAL SHARES BECAUSE OF THE
HIGHER FEES PAID BY SHAREHOLDERS INVESTING IN SUCH CLASSES.

                                       21
<PAGE>
JAPAN SERIES

    For the year ending March 31, 1999, the Fund slightly outperformed its
benchmark, the Tokyo Stock Price Index of the Tokyo Stock Exchange (TOPIX)(2).
The strength of the yen during the second half of the year contributed more than
12% in the Japan equity dollar returns.

    The Fund's performance was attributable to holding under-valued stocks as
identified by the Manager's stock selection models and stocks with themes
related to corporate restructuring and re-engineering. Over the year, the
Manager's value-based strategy worked well in the large and medium
capitalization sectors but under-performed the benchmark in the small
capitalization sector where stocks with low trading activity were still under
selling pressure -- a very similar situation to what we observed in the U.S.
market.

      JAPAN SERIES (BASED ON THE PERFORMANCE OF INSTITUTIONAL SHARES ONLY)

EDGAR REPRESENTATION OF DATA POINTS USED IN PRINTED GRAPHIC

<TABLE>
<CAPTION>
           JAPAN SERIES     TOPIX
<S>        <C>            <C>
1989          $1,000,000  $1,000,000
1990            $835,992    $764,258
1991            $852,236    $763,343
1992            $672,513    $585,714
1993            $768,292    $689,935
1994            $924,653    $851,308
1995          $1,006,408    $849,462
1996            $993,949    $887,082
1997            $708,883    $646,116
1998            $539,666    $551,502
1999            $624,288    $635,573
</TABLE>

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

(2) The TOPIX is an unmanaged index of approximately 1,300 Japanese companies.

                                       22
<PAGE>
            AVERAGE ANNUAL TOTAL RETURN (FOR PERIODS ENDED 3/31/99)


<TABLE>
<CAPTION>
                                                                                                          SINCE
                                                                1 YEAR       5 YEARS     10 YEARS      INCEPTION*
                                                              -----------  -----------  -----------  ---------------
<S>                                                           <C>          <C>          <C>          <C>
Japan Series (Institutional Shares).........................      15.68%       -7.56%       -4.60%
TOPIX Index.................................................      15.24%       -5.68%       -4.43%
Japan Series (Select Shares)................................      15.50%                                  -14.67%
TOPIX Index (since inception of Select Shares)..............                                               -9.98%
</TABLE>


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

*   Inception dates: January 3, 1989 for Institutional Shares and October 22,
    1996 for Select Shares.

    THE NUMBERS REPORTED IN BOTH THE GRAPH AND THE TABLES REPRESENT PAST
PERFORMANCE AND ARE NOT PREDICTIVE OF FUTURE PERFORMANCES. THE PERFORMANCE OF
SELECT SHARES WILL BE LOWER THAN THE PERFORMANCE OF INSTITUTIONAL SHARES BECAUSE
OF THE HIGHER FEES PAID BY SHAREHOLDERS INVESTING IN SUCH CLASS.

                  THE ADVISER'S GENERAL INVESTMENT PHILOSOPHY

    The Adviser attempts to add value relative to the designated benchmark
through a quantitative stock selection process and seeks to diversify investment
risk across the holdings in each of the Funds. In seeking to outperform each
Fund's designated benchmark, the Adviser also attempts to control risk in the
Fund's portfolio relative to the securities constituting that benchmark. Since
each Fund is substantially invested in equities at all times, the Adviser does
not earn the extraordinary return, or "alpha," by timing the market. The Adviser
seeks to avoid constructing portfolios that significantly differ from the
relevant benchmark with respect to characteristics such as market
capitalization, historic volatility or "beta," and industry weightings. Each
Fund seeks to have exposure to these factors similar to that of the designated
benchmark.

INVESTMENT PHILOSOPHY

    The Adviser's investment strategy is based on the belief that stock prices
imperfectly reflect the present value of the expected future earnings of
companies, their "fundamental value." The Adviser believes that market prices
will converge towards fundamental value over time, and that therefore, any
investor who can accurately determine fundamental value, and who applies a
disciplined investment process to select those stocks that are currently
undervalued (I.E., the price is less than fundamental value), will outperform
the market over time.

    The premise of the Adviser's investment philosophy is that there is a link
between the price of a stock and the underlying financial and operational
characteristics of the company. In other words, the price reflects the market's
assessment of how well the company is positioned to generate future earnings
and/or future cash flow. The Adviser identifies and purchases those stocks that
are undervalued (I.E., they are currently cheaper than similar stocks with the
same characteristics). The Adviser believes that the market will recognize the
"better value" and that the mispricing will be corrected as the stocks in the
Funds' portfolios are purchased by other investors.

    In determining whether or not a stock is attractive, the Adviser considers
the company's current estimated fundamental value as determined by the Adviser's
proprietary Appraisal Model, the company's future earnings, and investor
sentiment toward the stock. The Adviser identifies and causes a Fund to

                                       23
<PAGE>
purchase an undervalued stock and to hold it in the relevant Fund's portfolio
until the market recognizes and corrects for the misvaluation.

DECISION PROCESS

    The Adviser's decision process is a continuum. Its research function
develops models that analyze the more than 12,000 securities in the global
universe, both fundamentally and technically, and determines the risk
characteristics of the relevant Fund's benchmark. The portfolio management
function optimizes each portfolio's composition, executes trades, and monitors
performance and trading costs.

    The essence of the Adviser's approach is attention to important aspects of
the investment process. Factors crucial to successful stock selection include:
(1) accurate and timely data on a large universe of companies; (2) subtle
quantitative descriptors of value and predictors of changes in value; and (3)
insightful definitions of similar businesses. The Adviser assimilates, checks
and structures the input data on which its models rely. The Adviser believes
that if the data is correct, the recommendations made by the system will be
sound.

STOCK SELECTION

    Fundamental valuation of stocks is key to the Adviser's investment process,
and the heart of the valuation process lies in the Adviser's proprietary
Appraisal Model. Analysis of companies in the United States and Canada is
conducted in a single unified model. The Appraisal Model discriminates where the
two markets are substantially different, while simultaneously comparing
companies in the two markets according to their degrees of similarity. European
companies and Asian companies (other than Japanese companies) are analyzed in a
nearly global model, which includes the United States and Canada as a further
basis for comparative valuation, but which excludes Japan. Japanese companies
are analyzed in an independent national model. The Appraisal Model incorporates
the various accounting standards that apply in different markets and makes
adjustments to ensure meaningful comparisons.

    An important feature of the Appraisal Model is the classification of
companies into one or more of 166 groups of "similar" businesses. Currently, in
the United States, 160 groups are applicable; in Japan, 122 groups are
applicable; and in Europe, 154 groups are applicable. Each company is broken
down into its individual business segments, and each segment is compared with
similar business operations of other companies doing business in the same
geographical market. In most cases, the comparison is extended to include
companies with similar business operations in different markets. Subject to the
availability of data in different markets, the Adviser appraises the company's
assets, operating earnings and sales within each business segment, accepting the
market's valuation of that category of business as fair. The Adviser then
integrates the segment appraisals into balance sheet, income statement, and
sales valuation models for the total company, and simultaneously adjusts the
segment appraisals to include appraisals for variables which are declared only
for the total company, such as taxes, capital structure, and pension funding.
The result is a single valuation for each of the companies followed. The Adviser
considers the difference between the values of stocks as determined by its
Appraisal model and the market prices of such stocks in deciding whether to
purchase or sell stocks.

                                       24
<PAGE>
    With regard to the U.S. Small Capitalization Series, the Adviser's attempts
to predict the earnings growth of companies over a one-year period through its
proprietary Near-Term Prospects Model. This Model examines, among other things,
measures of company profitability as well as measures of investor sentiment
towards a company, such as broker recommendations, analyst earnings estimates
and prior market performance. The Adviser combines the results of this Model
with the results of the Appraisal Model to measure the attractiveness of a stock
for purchase or sale for the U.S. Small Capitalization Series.

    With regard to the International Small Capitalization Series and the Japan
Series, the Adviser's proprietary Earnings Change Model analyzes more than 20
variables to predict individual company earnings over a one-year horizon. The
variables are fundamental and fall into three categories: measures of past
profitability, measures of company operations and consensus earnings forecasts.
The Earnings Change Model is independent of the Appraisal Model and projects the
change in a company's earnings in cents/current price. The value of the
projected earnings change is converted to an "earnings change alpha" by
multiplying the projected change by the market's historical response to changes
of that magnitude.

    Also with regard to the International Small Capitalization Series and the
Japan Series, the Adviser's proprietary Investor Sentiment Model quantifies
investor sentiment about features of stocks which influence price but which are
not captured by the Appraisal Model or the Earnings Change Model. This Model
measures company quality by looking at past price patterns and by predicting the
probability of deficient earnings. The Investor Sentiment Model also captures
market enthusiasm towards individual stocks by looking at broker recommendations
and analyst estimates. Investor sentiment alphas are developed by multiplying
the Model's sentiment scores by the market's historical response to such scores.

    Each company's earnings change alpha and investor sentiment alpha are added
to its appraisal alpha to arrive at a total company alpha. Stocks with large
positive total company alphas are candidates for purchase for the portfolios of
the International Small Capitalization Series and/or the Japan Series. Stocks
held in a portfolio with total company alphas that are only slightly positive,
zero or negative are candidates for sale by those Funds.

    Before trading for the International Small Capitalization Series or the
Japan Series, the Adviser systematically analyzes the short-term price behavior
of individual stocks to determine the timing of trades. The Investor Sentiment
Model quantifies investor enthusiasm for each stock by analyzing its short-term
performance relative to similar stocks, changes in analyst and broker opinions
about the stock, and earnings surprises. The Adviser develops a "trading alpha"
for each stock (I.E., the expected short-term extraordinary return) which is
designed to enable the International Small Capitalization Series and the Japan
Series to purchase stocks from supply and to sell stocks into demand, greatly
reducing trading costs.

OPTIMIZATION

    The Adviser's portfolio optimization system attempts to construct a Fund
portfolio that will outperform the relevant benchmark, while maintaining
portfolio risk characteristics similar to those of the Fund's benchmark. The
optimizer simultaneously considers both the results of the Adviser's stock
selection models and risk in determining the benefit to a portfolio of a
particular transaction. No transaction will be executed unless the opportunity
offered by a purchase or sale candidate sufficiently exceeds the potential of an
existing holding to justify the transaction costs.

                                       25
<PAGE>
TRADING

    The Adviser's trading system aggregates the recommended transactions for
each of the Funds and determines the feasibility of each recommendation in light
of the stock's liquidity, the expected transaction costs, and general market
conditions. It relays target price information to a trader for each stock
considered for purchase or sale. Trades are executed through any one of four
trading strategies: traditional brokerage, networks, accommodation, and package
or "basket" trades.

    The network arrangements the Adviser has developed with Instinet Matching
System (IMS), Portfolio System for Institutional Trading (POSIT), and the
Arizona Stock Exchange (AZX) facilitate large volume trading with little or no
price disturbance and low commission rates.

    Accommodative trading (which we also refer to as the Adviser's "match
system") allows institutional buyers and sellers of stock to electronically
present the Adviser with their "interest" lists each morning. Any matches
between the inventory that the brokers have presented and the Adviser's own
recommended trades are signaled to the Adviser's traders. Because the broker is
doing agency business and has a client on the other side of the trade, the
Adviser expects that the other side will be accommodative in the price. The
Adviser's objective in using this match system is to execute most trades on the
Adviser's side of the bid/ask spread so as to minimize market impact.

    Package trades further allow the Adviser to trade large lists of orders
simultaneously using state of the art tools such as the Instinet Real-Time
System, Instinet Order Matching System and Lattice Trading System. Those tools
provide order entry, negotiation and execution capabilities, either directly to
other institutions or electronically to the floor of the exchange. The
advantages of using such systems include speed of execution, low commissions,
anonymity and very low market impact.

    The Adviser continuously monitors trading costs to determine the impact of
commissions and price disturbances on the Funds' portfolios.

                            MANAGEMENT OF THE TRUST

    The Trust's trustees oversee the general conduct of the Funds' business.

INVESTMENT ADVISER

    As of January 1, 1999, AXA Rosenberg Investment Management LLC (the
"Adviser") has succeeded Rosenberg Institutional Equity Management ("RIEM") as
the Trust's investment adviser. The Adviser is responsible for making investment
decisions for the Funds and managing the Funds' other affairs and business,
subject to the supervision of the Board of Trustees. The Adviser provides
investment advisory services to a number of institutional investors and several
mutual funds. As with the Adviser's predecessor RIEM in the past, each of the
Funds will pay the Adviser a management fee for these services on a monthly
basis. See "Fees and Expenses." The Adviser will reduce its management fee and
bear certain expenses until further notice to limit each Fund's total annual
operating expenses. See "Fees and Expenses."

                                       26
<PAGE>
PORTFOLIO MANAGERS

    Management of the portfolio of each Fund is overseen by the Adviser's
executive officers who are responsible for design and maintenance of the
Adviser's portfolio system, and by a portfolio manager who is responsible for
research and monitoring each Fund's characteristic performance against the
relevant benchmark and for monitoring cash balances.

    U.S. SMALL CAPITALIZATION SERIES.  Dr. Rosenberg, Dr. Reid and Floyd
Coleman, the portfolio manager, are responsible, and have been responsible since
inception, for the day-to-day management of the U.S. Small Capitalization
Series' portfolio. Dr. Rosenberg and Dr. Reid both have been employed by the
Adviser or its predecessor since 1985. Mr. Coleman has been a trader and
portfolio manager for the Adviser or its predecessor since 1988. He received a
B.S. from Northwestern University in 1982, a M.S. from Polytechnic Institute,
Brooklyn in 1984 and a M.B.A. from Harvard Business School in 1988.

    INTERNATIONAL SMALL CAPITALIZATION SERIES.  Dr. Rosenberg, Dr. Reid and
Joseph Leung, the portfolio manager, are responsible, and have been responsible
since inception, for the day-to-day management of the International Small
Capitalization Series' portfolio. Mr. Leung has been a senior research
associate, programmer and portfolio manager with the Adviser or its predecessor
since 1993. He received a B.S. and a B.A. from Queen's University, Ontario,
Canada in 1989 and a M.B.A. from the University of Chicago in 1993. Mr. Leung is
a chartered financial analyst.

    JAPAN SERIES.  Dr. Rosenberg, Dr. Reid, and Cheng S. Liao, the portfolio
manager, are responsible, and have been responsible since inception, for the
day-to-day management of the Japan Series' portfolio. Mr. Liao has been a senior
research associate, programmer and portfolio manager, specializing in the
Japanese market with the Adviser or its predecessor since 1989. Mr. Liao has
also been a trader for the Adviser or its predecessor in Japanese securities
since 1994. He received a B.S. from Tohobu University, Japan, in 1984, a M.S.
from Stanford University in 1986, and a M.S. in Computer Science from
Polytechnic Institute, New York in 1988.

EXECUTIVE OFFICERS

    The biography of each of the executive officers of the Adviser is set forth
below. Kenneth Reid is also a Trustee of the Trust.

    BARR ROSENBERG.  Dr. Rosenberg is the Director of Research of the Adviser,
Chairman of AXA Rosenberg Group LLC, the parent of the Adviser, and Managing
Director of Barr Rosenberg Research Center LLC. As such, he has ultimate
responsibility for the Adviser's securities valuation and portfolio optimization
systems used to manage the Funds and for the implementation of the decisions
developed therein. His area of special concentration is the design of the
Adviser's proprietary securities valuation model.

    Dr. Rosenberg earned a B.A. degree from the University of California,
Berkeley, in 1963. He earned an M.Sc. from the London School of Economics in
1965, and a Ph.D. from Harvard University, Cambridge, Massachusetts, in 1968.
From 1968 until 1983, Dr. Rosenberg was a Professor of Finance, Econometrics,
and Economics at the School of Business Administration at the University of
California, Berkeley. Concurrently, from 1968 until 1974, Dr. Rosenberg worked
as a consultant in applied decision theory in finance, banking and medicine. In
1975, he founded Barr Rosenberg Associates, a financial consulting firm (now
known as

                                       27
<PAGE>
BARRA) where he was a managing partner, and later chief scientist until his
departure in 1986. Dr. Rosenberg, the founder of the Berkeley Program in
Finance, has experience in the modeling of complex processes with substantial
elements of risk. From 1985 to 1998, he was the founder and Managing General
Partner of Rosenberg Institutional Equity Management, the predecessor company to
the Adviser.

    KENNETH REID.  Dr. Reid is the Chief Executive Officer of the Adviser. His
work is focused on the design and estimation of the Adviser's valuation models
and he has primary responsibility for analyzing the empirical evidence that
validates and supports the day-to-day recommendations of the Adviser's
securities valuation models. Patterns of short-term price behavior discussed by
Dr. Reid as part of his Ph.D. dissertation have been refined and incorporated
into the Adviser's proprietary valuation and trading systems.

    Dr. Reid earned both a B.A. degree (1973) and an M.D.S. (1975) from Georgia
State University, Atlanta. In 1982, he earned a Ph.D. from the University of
California, Berkeley, where he was awarded the American Bankers Association
Fellowship. From 1981 until June 1986, Dr. Reid worked as a consultant at BARRA
in Berkeley, California. His responsibilities included estimating
multiple-factor risk models, designing and evaluating active management
strategies, and serving as an internal consultant on econometric matters in
finance. From 1986 to 1998, Dr. Reid was a general partner of Rosenberg
Institutional Equity Management.

    WILLIAM RICKS.  Dr. Ricks is the Chief Investment Officer of the Adviser.
His primary responsibilities are the various aspects of the investment process:
trading, operations, portfolio engineering, and portfolio construction. He is
responsible for the implementation of the investment strategies that are
designed by the Research Center.

    Dr. Ricks earned a B.S. from the University of New Orleans, Louisiana and a
Ph.D. from the University of California, Berkeley in 1980. He worked as a senior
accountant for Ernst & Ernst in New Orleans from 1974 to 1976. He was a
financial and managerial accounting instructor at the University of California,
Berkeley from 1978 to 1979, after which he was an associate professor of finance
and accounting at Duke University until 1989. From 1989 to 1998, he was a
research associate, a portfolio engineer and the Director of Accounting Research
at Rosenberg Institutional Equity Management.

INDEPENDENT TRUSTEES

    William F. Sharpe, Nils H. Hakansson and Dwight M. Jaffee are the Trustees
of the Trust who are not "interested persons" (as defined in the 1940 Act) of
the Trust or the Adviser.

    Dr. Sharpe is the STANCO 25 Professor of Finance at Stanford University's
Graduate School of Business. He is best known as one of the developers of the
Capital Asset Pricing Model, including the beta and alpha concepts used in risk
analysis and performance measurement. He developed the widely-used binomial
method for the valuation of options and other contingent claims. He also
developed the computer algorithm used in many asset allocation procedures. Dr.
Sharpe has published articles in a number of professional journals. He has also
written six books, including PORTFOLIO THEORY AND CAPITAL MARKETS, (McGraw-Hill,
1970), ASSET ALLOCATION TOOLS, (Scientific Press, 1987), FUNDAMENTALS OF
INVESTMENTS (with Gordon J. Alexander and Jeffery Bailey, Prentice-Hall, 1993)
and INVESTMENTS (with Gordon J. Alexander and Jeffery Bailey, Prentice-Hall,
1995). Dr. Sharpe is a past President of the American Finance Association. He is

                                       28
<PAGE>
currently Chairman of Financial Engines Incorporated, an electronic investment
advice company. He has also served as consultant to a number of corporations and
investment organizations. He is also a member of the Board of Trustees of Smith
Breeden Trust, an investment company, and a director at CATS Software and
Stanford Management Company. He received the Nobel Prize in Economic Sciences in
1990.

    Professor Hakansson is the Sylvan C. Coleman Professor of Finance and
Accounting at the Haas School of Business, University of California, Berkeley.
He is a former member of the faculty at UCLA as well as at Yale University. At
Berkeley, he served as Director of the Berkeley Program in Finance (1988-1991)
and as Director of the Professional Accounting Program (1985-1988). Professor
Hakansson is a Certified Public Accountant and spent three years with Arthur
Young & Company prior to receiving his Ph.D. from UCLA in 1966. He has twice
been a Visiting Scholar at Bell Laboratories in New Jersey and was, in 1975, the
Hoover Fellow at the University of New South Wales in Sydney and, in 1982, the
Chevron Fellow at Simon Fraser University in British Columbia. In 1984,
Professor Hakansson was a Special Visiting Professor at the Stockholm School of
Economics, where he was also awarded an honorary doctorate in economics. He is a
past president of the Western Finance Association (1983-1984). Professor
Hakansson has published a number of articles in academic journals and in
professional volumes. Many of his papers address various aspects of asset
allocation procedures as well as topics in securities innovation, information
economics and financial reporting. He has served on the editorial boards of
several professional journals and been a consultant to the RAND Corporation and
a number of investment organizations. Professor Hakansson is a member of the
board of two foundations and a past board member of SuperShare Service
Corporation and of Theatrix Interactive, Inc. He is also a Fellow of the
Accounting Researchers International Association and a member of the Financial
Economists Roundtable.

    Professor Jaffee is the Willis H. Booth Professor of Banking and Finance at
the Haas School of Business, University of California, Berkeley. He was
previously a Professor of Economics at Princeton University for many years,
where he served as the Vice Chairman of the faculty. At Berkeley, he serves on a
continuing basis as the Co-chairman of the Fisher Center for Real Estate and
Urban Economics and as the Director of the UC Berkeley-St. Petersburg University
(Russia) School of Management Program. He has been a Visiting Professor at many
Universities around the world, most recently at the University of Aix/Marseille
in France and at the European University in Florence Italy. Professor Jaffee has
authored 5 books and numerous articles in academic and professional journals.
His research has focused on 3 key financial markets: business lending, real
estate finance, and catastrophe insurance. His current research is focused on
methods for securitizing real estate finance and catastrophe insurance risks,
and on the impact of international trade on the U.S. computer industry. He has
served on the editorial boards of numerous academic journals, and has been a
consultant to a number of U.S. government agencies and to the World Bank. In the
past, Professor Jaffee has been a member of the Board of Directors of various
financial institutions, including the Federal Home Loan Bank of New York. He is
currently a Visiting Scholar at the Federal Reserve Bank of San Francisco.

DISTRIBUTOR

    Adviser Shares of the U.S. Small Capitalization Series and Select Shares of
each Fund are sold on a continuous basis by the Company's distributor, Barr
Rosenberg Funds Distributor, Inc. (the "Distributor"), a

                                       29
<PAGE>
wholly-owned subsidiary of The BISYS Group, Inc. The Distributor's principal
offices are located at 90 Park Avenue, New York, New York 10016. Institutional
Shares are sold directly by the Trust.

    Solely for the purpose of compensating the Distributor for services and
expenses primarily intended to result in the sale of Select Shares and/or in
connection with the provision of direct client service, personal services,
maintenance of shareholder accounts and reporting services ("Shareholder
Services") to holders of Select Shares of the Trust, such shares are subject to
an annual distribution and service fee (the "Distribution and Shareholder
Service Fee") of up to 0.25% of the average daily net assets attributable to
such shares in accordance with a Distribution and Shareholder Service Plan (the
"Distribution and Shareholder Service Plan") adopted by the Trust pursuant to
Rule 12b-1 under the 1940 Act. Currently, each Fund pays the Distributor an
annual Distribution and Shareholder Service Fee of 0.25% of the average daily
net assets attributable to Select Shares. Expenses and services for which the
Distributor may be reimbursed include, without limitation, compensation to, and
expenses (including overhead and telephone expenses) of, financial consultants
or other employees of the Distributor or of participating or introducing brokers
who engage in distribution of Select Shares, printing of prospectuses and
reports for other than existing Select shareholders, advertising, preparing,
printing and distributing sales literature and forwarding communications from
the Trust to Select shareholders. The Distribution and Shareholder Service Plan
is of the type known as a "compensation" plan. This means that, although the
trustees of the Trust are expected to take into account the expenses of the
Distributor in their periodic review of the Distribution and Shareholder Service
Plan, the fees are payable to compensate the Distributor for services rendered
even if the amount paid exceeds the Distributor's expenses.

    Under a Service plan adopted by the Trustees, the Distributor may also
provide (or arrange for another intermediary or agent to provide) personal
and/or account maintenance services to holders of Adviser Shares of the U.S.
Small Capitalization Series (the Distributor or such entity is referred to as a
"Servicing Agent" in such capacity). A Servicing Agent will be paid some or all
of the Shareholder Servicing Fees charged with respect to Adviser Shares
pursuant to Servicing Plan for such shares.

                                MULTIPLE CLASSES

    As indicated previously, the U.S. Small Capitalization Series offer three
classes of shares to investors, Institutional Shares, Adviser Shares and Select
Shares and each of the Japan Series and International Small Capitalization
Series offers two classes of shares to investors, Institutional Shares and
Select Shares. Eligibility to invest in a particular class generally depends on
the amount invested in the particular Fund and whether the investor makes the
investment directly or through a financial adviser. The following table sets
forth basic investment and fee information for each class.


<TABLE>
<CAPTION>
                                                                                                            ANNUAL
                                                                                                         DISTRIBUTION
                                            MINIMUM                                                          AND
                                             FUND        SUBSEQUENT        METHOD OF         ANNUAL      SHAREHOLDER
NAME OF CLASS                             INVESTMENT*   INVESTMENTS*      INVESTMENT*      SERVICE FEE   SERVICE FEE
- ----------------------------------------  -----------   ------------   ------------------  -----------   ------------
<S>                                       <C>           <C>            <C>                 <C>           <C>
Institutional...........................  $ 1 million     $10,000      Direct                 None           None
Adviser.................................  $   100,000     $ 1,000      Financial Adviser      0.25%          None
Select..................................  $     2,500     $   500      Direct                 None           0.25%
</TABLE>


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

*   Certain exceptions apply. See "Institutional Shares", "Adviser Shares" and
    "Select Shares" below.

                                       30
<PAGE>
    The offering price is based on the net asset value per share next determined
after an order is received. See "Purchasing Shares," "Redemption of Shares" and
"How the Trust Prices Shares of the Funds -- Determination of Net Asset Value."

INSTITUTIONAL SHARES

    Institutional Shares may be purchased by institutions such as endowments and
foundations, plan sponsors of 401(a), 401(k), 457 and 403(b) plans and
individuals. In order to be eligible to purchase Institutional Shares, an
institution, plan or individual must make an initial investment of at least $1
million in the particular Fund. In its sole discretion, the Adviser may waive
this minimum investment requirement and the Adviser intends to do so for
employees of the Adviser, for the spouse, parents, children, siblings,
grandparents or grandchildren of such employees, for employees of the
Administrator and for Trustees of the Trust who are not interested persons of
the Trust or Adviser and their spouses. Institutional Shares are sold without
any initial or deferred sales charges and are not subject to any ongoing
distribution and shareholder service fees.

ADVISER SHARES

    Adviser shares may be purchased solely through accounts established under a
fee-based program which is sponsored and maintained by a registered
broker-dealer or other financial adviser approved by the Trust's Distributor and
under which each investor pays a fee to the broker-dealer or other financial
adviser, or its affiliate or agent, for investment managery or administrative
services. In order to be eligible to purchase Adviser Shares, a broker-dealer or
other financial adviser must make an initial investment of at least $100,000 of
its client's assets in the U.S. Small Capitalization Series. In its sole
discretion, the Adviser may waive this minimum asset investment requirement.
Adviser Shares are sold without any initial or deferred sales charges and are
not subject to ongoing distribution fees, but are subject to a Service Fee at an
annual rate equal to 0.25% of the U.S. Small Capitalization Series average daily
net assets attributable to Adviser Shares.

SELECT SHARES

    Select Shares may be purchased by institutions, certain individual
retirement accounts and individuals. In order to be eligible to purchase Select
Shares, an investor must make an initial investment of at least $2,500 in the
particular Fund. In its sole discretion, the Adviser may waive this minimum
investment requirement. Select Shares are subject to an annual Distribution Fee
equal to 0.25% of the average daily net assets attributable to Select Shares,
and the Trustees have authorized each Fund to pay up to 0.15% of its average
daily net assets attributable to Select Shares for subtransfer and subaccounting
services in connection with such shares. As described above, the Distribution
and Shareholder Service Plan permits payments of up to 0.25% of the Funds'
average daily net assets attributable to Select Shares. See "Management of the
Trust -- Distributor."

GENERAL

    The Service Fee charged with respect to Adviser Shares is intended to be
compensation for direct client service, maintenance and reporting with respect
to such shares. The Distribution and Shareholder Service Fee charged with
respect to Select Shares is intended to compensate the Distributor for services
and expenses

                                       31
<PAGE>
primarily intended to result in the sale of Select Shares and/or in connection
with the provision of Shareholder Services to holders of Select Shares of the
Trust. See "Management of the Trust -- Distributor."

    As described above, shares of the Funds may be sold to corporations or other
institutions such as trusts, foundations or broker-dealers purchasing for the
accounts of others (collectively, "Shareholder Organizations"). Investors
purchasing and redeeming shares of the Funds through a Shareholder Organization
or through financial advisers may be charged a transaction-based fee or other
fee for the services provided by the Shareholder Organization or financial
adviser. Each such Shareholder Organization and financial adviser is responsible
for transmitting to its customers a schedule of any such fees and information
regarding any additional or different conditions regarding purchases and
redemptions of Fund shares. Customers of Shareholder Organizations and financial
advisers should read this Prospectus in light of the terms governing accounts
with their particular organization.

                               PURCHASING SHARES

    The offering price for shares of each Fund is the net asset value per share
next determined after receipt of a purchase order. See "How the Trust Prices
Shares of the Funds -- Determination of Net Asset Value." Investors may be
charged an additional fee by their broker or agent if they effect transactions
through such persons.

    The U.S. Small Capitalization Series was closed to all investments effective
January 1, 1999, except that (i) participants in 401(k) plans may continue to
direct the purchase of investments in the U.S. Small Capitalization Series by
their plan account until and including June 30, 1999; (ii) participants in
certain "wrap programs" that have entered into contractual arrangements with the
Trust and/or Distributor will be eligible to purchase shares of the U.S. Small
Capitalization Series quarterly to rebalance their accounts for as long as the
"wrap program" continues to own shares of such Fund; (iii) certain bank "asset
allocation programs" that have entered into an agreement with the Trust and/or
Distributor will be eligible to purchase shares of the U.S. Small Capitalization
Series under the terms of such agreement and to rebalance accounts quarterly;
(iv) holders of accounts in the Rosenberg Money Purchase Plan and the Rosenberg
Daily Valuation 401(k) Plan will be eligible to purchase shares of the U.S.
Small Capitalization Series for such accounts; (v) employees of, and consultants
to, the Adviser and any entities under common control with the Adviser will be
eligible to purchase shares of the U.S. Small Capitalization Series; and (vi)
the Trustees of the Trust may continue to invest in the U.S. Small
Capitalization Series.

    Shareholders of other Funds will not be permitted to exchange any of their
shares for shares of the U.S. Small Capitalization Series unless such
shareholders are independently eligible to purchase shares of the U.S. Small
Capitalization Series as described above. The Trust reserves the right at any
time to modify the restrictions set forth above, including the suspension of all
sales of all shares of the U.S. Small Capitalization Series or the lifting of
restrictions on different classes of investors and/or transactions."

INITIAL CASH INVESTMENTS BY WIRE

    Subject to acceptance by the Trust, shares of each Fund may be purchased by
wiring federal funds. Please first contact the Trust at 1-800-447-3332 for
complete wiring instructions. Notification must be given to the Trust at
1-800-447-3332 prior to 4:00 p.m., New York time, of the wire date. Federal
funds purchases will be

                                       32
<PAGE>
accepted only on a day on which the Trust, the Distributor and the Custodian are
all open for business. A completed Account Application must be overnighted to
the Trust at Barr Rosenberg Series Trust c/o BISYS Fund Services, Inc., 3435
Stelzer Road, Columbus, Ohio 43219-8021.

INITIAL CASH INVESTMENTS BY MAIL

    Subject to acceptance by the Trust, an account may be opened by completing
and signing an Account Application and mailing it to Barr Rosenberg Series
Trust, P.O. Box 182495, Columbus, Ohio 43219-2495. The Fund(s) to be purchased
should be specified on the Account Application. In all cases, subject to
acceptance by the Trust, payment for the purchase of shares received by mail
will be credited to a shareholder's account at the net asset value per share of
the Fund next determined after receipt, even though the check may not yet have
been converted into federal funds.

ADDITIONAL CASH INVESTMENTS

    Additional cash investments may be made at any time by mailing a check to
the Trust at the address noted under "-- Initial Cash Investments by Mail"
(payable to Barr Rosenberg Series Trust) or by wiring monies as noted under "--
Initial Cash Investments by Wire." Notification must be given at 1-800-447-3332
prior to 4:00 p.m., New York time, of the wire date. The minimum amounts for
additional cash investments are $10,000 for Institutional Shares, $1,000 for
Adviser Shares and $500 for Select Shares.

INVESTMENTS IN-KIND (INSTITUTIONAL SHARES)

    Institutional Shares may be purchased in exchange for common stocks on
deposit at The Depository Trust Company ("DTC") or by a combination of such
common stocks and cash. Purchase of Institutional Shares of a Fund in exchange
for stocks is subject in each case to the determination by the Adviser that the
stocks to be exchanged are acceptable. Securities accepted by the Adviser in
exchange for Fund shares will be valued as set forth under "Determination of Net
Asset Value" (generally the last quoted sale price) as of the time of the next
determination of net asset value after such acceptance. All dividends,
subscription or other rights which are reflected in the market price of accepted
securities at the time of valuation become the property of the Fund and must be
delivered to the Fund upon receipt by the investor from the issuer. A gain or
loss for federal income tax purposes would be realized by investors subject to
federal income taxation upon the exchange, depending upon the investor's basis
in the securities tendered.

    The Adviser will not approve the acceptance of securities in exchange for
Fund shares unless (i) the Adviser, in its sole discretion, believes the
securities are appropriate investments for the Fund; (ii) the investor
represents and agrees that all securities offered to the Fund are not subject to
any restrictions upon their sale by the Fund under the Securities Act of 1933,
or otherwise; and (iii) the securities may be acquired under the Fund's
investment restrictions.

OTHER PURCHASE INFORMATION

    An eligible shareholder may also participate in the Barr Rosenberg Automatic
Investment Program, an investment plan that automatically debits money from the
shareholder's bank account and invests it in Select Shares of one or more of the
Funds through the use of electronic funds transfers. Investors may commence

                                       33
<PAGE>
their participation in this program with a minimum initial investment of $2,500
and may elect to make subsequent investments by transfers of a minimum of $50
into their established Fund account. You may contact the Trust for more
information about the Barr Rosenberg Automatic Investment Program.

    For purposes of calculating the purchase price of Fund shares, a purchase
order is received by the Trust on the day that it is in "good order" unless it
is rejected by the Distributor. For a purchase order of Fund Shares to be in
"good order" on a particular day a check or money wire must be received on or
before 4:00 p.m., New York time of that day. In the case of a purchase in-kind
of Institutional Shares, the investor's securities must be placed on deposit at
the DTC prior to 10:00 a.m., New York time. If the consideration is received by
the Trust after the deadline, the purchase price of Fund shares will be based
upon the next determination of net asset value of Fund shares. No third party or
foreign checks will be accepted.

    The Trust reserves the right, in its sole discretion, to suspend the
offering of shares of its Funds or to reject purchase orders when, in the
judgment of the Adviser, such suspension or rejection would be in the best
interests of the Trust or a Fund.

    Purchases of a Fund's shares may be made in full or in fractional shares of
the Fund calculated to three decimal places. In the interest of economy and
convenience, certificates for shares will not be issued.

                                  IRA ACCOUNTS

    Select Shares of all Funds may be used as a funding medium for IRAs. The
minimum initial investment for an IRA is $2,000. A special application must be
completed in order to create such an account. Contributions to IRAs are subject
to prevailing amount limits set by the Internal Revenue Service. For more
information about IRAs, call the Trust at 1-800-447-3332.

                              REDEMPTION OF SHARES

    Shares of each Fund may be redeemed by mail, or, if authorized by an
investor in an Account Application, by telephone. The value of shares redeemed
may be more or less than the original cost of those shares, depending on the
market value of the investment securities held by the particular Fund at the
time of the redemption.

BY MAIL

    The Trust will redeem its shares at the net asset value next determined
after the request is received in "good order." See "How the Trust Prices Shares
of the Funds -- Determination of Net Asset Value." Requests should be addressed
to Barr Rosenberg Series Trust, P.O. Box 182495, Columbus, Ohio 43219-2495.

    Requests in "good order" must include the following documentation:

        (a) a letter of instruction specifying the number of shares or dollar
    amount to be redeemed, signed by all registered owners of the shares in the
    exact names in which they are registered;

        (b) any required signature guarantees (see "Signature Guarantees,"
    below); and

        (c) other supporting legal documents, if required, in the case of
    estates, trusts, guardianships, custodianships, corporations, pension and
    profit sharing plans and other organizations.

                                       34
<PAGE>
SIGNATURE GUARANTEES

    To protect shareholder accounts, the Trust and the Transfer Agent from
fraud, signature guarantees may be required to enable the Trust to verify the
identity of the person who has authorized a redemption from an account.
Signature guarantees are required for (1) redemptions where the proceeds are to
be sent to someone other than the registered shareholder(s) at the registered
address, (2) redemptions of $25,000 or more, and (3) share transfer requests.
Signature guarantees may be obtained from certain eligible financial
institutions, including but not limited to, the following: banks, trust
companies, credit unions, securities brokers and dealers, savings and loan
associations and participants in the Securities and Transfer Association
Medallion Program (STAMP), the Stock Exchange Medallion Program (SEMP) or the
New York Stock Exchange Medallion Signature Program (MSP). Shareholders may
contact the Trust at 1-800-447-3332 for further details.

BY TELEPHONE

    Provided the Telephone Redemption Option has been authorized by an investor
in an Account Application, a redemption of shares may be requested by calling
the Transfer Agent at 1-800-447-3332 and requesting that the redemption proceeds
be mailed to the primary registration address or wired per the authorized
instructions. If the Telephone Redemption Option or the Telephone Exchange
Option (as described below) is authorized, the Transfer Agent may act on
telephone instructions from any person representing himself or herself to be a
shareholder and believed by the Transfer Agent to be genuine. The Transfer
Agent's records of such instructions are binding and the shareholder, and not
the Trust or the Transfer Agent, bears the risk of loss in the event of
unauthorized instructions reasonably believed by the Transfer Agent to be
genuine. The Transfer Agent will employ reasonable procedures to confirm that
instructions communicated are genuine and, if it does not, it may be liable for
any losses due to unauthorized or fraudulent instructions. The procedures
employed in connection with transactions initiated by telephone include tape
recording of telephone instructions and requiring some form of personal
identification prior to acting upon instructions received by telephone.
Telephone Redemption will be suspended for a period of 10 days following a
telephonic address change.

SYSTEMATIC WITHDRAWAL PLAN

    An owner of $12,000 or more of shares of a Fund may elect to have periodic
redemptions made from the investor's account to be paid on a monthly, quarterly,
semiannual or annual basis. The maximum payment per year is 12% of the account
value at the time of the election. The Trust will normally redeem a sufficient
number of shares to make the scheduled redemption payments on a date selected by
the shareholder. Depending on the size of the payment requested and fluctuation
in the net asset value, if any, of the shares redeemed, redemptions for the
purpose of making such payments may reduce or even exhaust the account. A
shareholder may request that these payments be sent to a predesignated bank or
other designated party. Capital gains and dividend distributions paid to the
account will automatically be reinvested at net asset value on the distribution
payment date.

                                       35
<PAGE>
FURTHER REDEMPTION INFORMATION

    Purchases of shares of the Funds made by check are not permitted to be
redeemed until payment of the purchase price has been collected, which may take
up to fifteen days after purchase. Shareholders can avoid this delay by
utilizing the wire purchase option.

    If the Adviser determines, in its sole discretion, that it would not be in
the best interests of the remaining shareholders of a Fund to make a redemption
payment wholly or partly in cash, the Fund may pay the redemption price of
Institutional Shares in whole or in part by a distribution in kind of readily
marketable securities held by the relevant Fund in lieu of cash. Securities used
to redeem Fund shares in kind will be valued in accordance with the Fund's
procedures for valuation described under "Determination of Net Asset Value."
Securities distributed by the Fund in kind will be selected by the Adviser in
light of the Fund's objective and will not generally represent a PRO RATA
distribution of each security held in the Fund's portfolio. Investors may incur
brokerage charges on the sale of any such securities so received in payment of
redemptions.

    The Trust may suspend the right of redemption and may postpone payment for
more than seven days when the New York Stock Exchange is closed for other than
weekends or holidays, or if permitted by the rules of the Securities and
Exchange Commission, during periods when trading on the Exchange is restricted
or during an emergency which makes it impracticable for the Funds to dispose of
their securities or to fairly determine the value of their net assets, or during
any other period permitted by the Securities and Exchange Commission for the
protection of investors.

                               EXCHANGING SHARES

    The Funds offer two convenient ways to exchange shares in one Fund for
shares of another Fund in the Trust. Shares of a particular class of a Fund may
be exchanged only for shares of the same class in another Fund. There is no
sales charge on exchanges. Before engaging in an exchange transaction, a
shareholder should read carefully the information in the Prospectus describing
the Fund into which the exchange will occur. A shareholder may not exchange
shares of a class of one Fund for shares of the same class of another Fund that
is not qualified for sale in the state of the shareholder's residence. Although
the Trust has no current intention of terminating or modifying the exchange
privilege, it reserves the right to do so at any time.

    An exchange is taxable as a sale of a security on which a gain or loss may
be recognized. Shareholders should receive written confirmation of the exchange
within a few days of the completion of the transaction.

    A new account opened by exchange must be established with the same name(s),
address and social security number as the existing account. All exchanges will
be made based on the respective net asset values next determined following
receipt of the request by the Funds containing the information indicated below.

EXCHANGE BY MAIL

    To exchange Fund shares by mail, shareholders should simply send a letter of
instruction to the Trust. The letter of instruction must include: (a) the
investor's account number; (b) the class of shares to be exchanged; (c) the Fund
from and the Fund into which the exchange is to be made; (d) the dollar or share
amount to be exchanged; and (e) the signatures of all registered owners or
authorized parties.

                                       36
<PAGE>
EXCHANGE BY TELEPHONE

    To exchange Fund shares by telephone or to ask questions about the exchange
privilege, shareholders may call the Trust at 1-800-447-3332. If you wish to
exchange shares, please be prepared to give the telephone representative the
following information: (a) the account number, social security number and
account registration; (b) the class of shares to be exchanged; (c) the name of
the Fund from which and the Fund into which the exchange is to be made; and (d)
the dollar or share amount to be exchanged. Telephone exchanges are available
only if the shareholder so indicates by checking the "yes" box on the Account
Application. The Trust employs procedures, including recording telephone calls,
testing a caller's identity, and sending written confirmation of telephone
transactions, designed to give reasonable assurance that instructions
communicated by telephone are genuine, and to discourage fraud. To the extent
that a Fund does not follow such procedures, it may be liable for losses due to
unauthorized or fraudulent telephone instructions. A Fund will not be liable for
acting upon instructions communicated by telephone that it reasonably believes
to be genuine. The Trust reserves the right to suspend or terminate the
privilege of exchanging by mail or by telephone at any time. The telephone
exchange privilege will be suspended for a period of 10 days following a
telephonic address change.

                    HOW THE TRUST PRICES SHARES OF THE FUNDS

    The price of each Fund's shares is based on its net asset value as next
determined after receipt of a purchase order. See "Determination of Net Asset
Value," below.

    For purposes of calculating the purchase price of Fund shares, if it does
not reject a purchase order, the Trust considers an order received on the day
that it receives a check or money order on or before 4:00 p.m., New York Time.
If the Trust receives the payment after the deadline, it will base the purchase
price of Fund shares on the next determination of net asset value of Fund
shares.

    The Trust reserves the right, in its sole discretion, to suspend the
offering of shares of a Fund or Funds or to reject purchase orders when the
Adviser believes that suspension or rejection would be in the best interests of
the Trust.

    Purchases of each Fund's shares may be made in full or in fractional shares
of the relevant Fund calculated to three decimal places. In the interest of
economy and convenience, the Trust will not issue certificates for shares.

DETERMINATION OF NET ASSET VALUE

    The net asset value of each class of shares of the Funds will be determined
once on each day on which the New York Stock Exchange is open as of 4:00 p.m.,
New York time. The net asset value per share of each class of a Fund is
determined by dividing the particular class's proportionate interest in the
total market value of the Fund's portfolio investments and other assets, less
any applicable liabilities, by the total outstanding shares of that class of the
Fund. Specifically, each Fund's liabilities are allocated among its classes. The
total of such liabilities allocated to a particular class plus that class's
shareholder servicing and/or distribution expenses, if any, and any other
expenses specially allocated to that class are then deducted from the class's
proportionate interest in the Fund's assets. The resulting amount for each class
is divided by the number of shares of that class outstanding to produce the "net
asset value" per share.

                                       37
<PAGE>
    Portfolio securities listed on a securities exchange for which market
quotations are available are valued at the last quoted sale price on each
business day, or, if there is no such reported sale, at the most recent quoted
bid price. Price information on listed securities is generally taken from the
closing price on the exchange where the security is primarily traded. Unlisted
securities for which market quotations are readily available are valued at the
most recent quoted bid price, except that debt obligations with sixty days or
less remaining until maturity may be valued at their amortized cost.
Exchange-traded options, futures and options on futures are valued at the
settlement price as determined by the appropriate clearing corporation. Other
assets and securities for which no quotations are readily available are valued
at fair value as determined in good faith by the Trustees of the Trust or by
persons acting at their direction.

                                 DISTRIBUTIONS

    Each Fund intends to pay out as dividends substantially all of its net
investment income (which comes from dividends and any interest it receives from
its investments and net realized short-term capital gains). Each Fund also
intends to distribute substantially all of its net realized long-term capital
gains, if any, after giving effect to any available capital loss carryover. Each
Fund's policy is to declare and pay distributions of its dividends and interest
annually although it may do so more frequently as determined by the Trustees of
the Trust. The Funds' policy is to distribute net realized short-term capital
gains and net realized long-term gains annually, although it may do so more
frequently as determined by the Trustees of the Trust to the extent permitted by
applicable regulations.

    All dividends and/or distributions will be paid out in the form of
additional shares of the Fund to which the dividends and/or distributions relate
at net asset value unless the shareholder elects to receive cash. Shareholders
may make this election by marking the appropriate box on the Account Application
or by writing to the Administrator.

    If you elect to receive distributions in cash and checks (i) are returned
and marked as "undeliverable" or (ii) remain uncashed for six months, your cash
election will be changed automatically and your future dividend and capital
gains distributions will be reinvested in the Fund at the per share net asset
value determined as of the date of payment of the distribution. In addition, any
undeliverable checks or checks that remain uncashed for six months will be
canceled and will be reinvested in the Fund at the per share net asset value
determined as of the date of cancellation.

                                     TAXES

    Each Fund intends to qualify each year as a regulated investment company
under Subchapter M of the Internal Revenue Code of 1986, as amended. So long as
a Fund distributes substantially all of its dividend, interest and certain other
income, its net realized short-term capital gains and its net realized long-term
capital gains to its shareholders and otherwise qualifies for the special rules
governing the taxation of regulated investment companies, the Fund itself will
not pay federal income tax on the amount distributed. Dividend distributions
(I.E., distributions derived from interest, dividends and certain other income,
including, in general, short-term capital gains) will be taxable to shareholders
subject to income tax as ordinary income. Distributions of any long-term capital
gains (generally taxed at a 20% rate) are taxable as such to shareholders
subject to income tax, regardless of how long a shareholder may have owned
shares in such Fund. A distribution paid to shareholders by a Fund in January of
a year is generally deemed to have been received by

                                       38
<PAGE>
shareholders on December 31 of the preceding year, if the distribution was
declared and payable to shareholders of record on a date in October, November or
December of that preceding year. Some 1998 distributions of long-term capital
gains recognized in 1997 may be subject to tax at a 28% rate. Each Fund will
provide federal tax information annually, including information about dividends
and distributions paid during the preceding year.

    If more than 50% of a Fund's assets at fiscal year-end is represented by
debt and equity securities of foreign corporations, the Fund may (and the Japan
Series and the International Small Capitalization Series intend to) elect to
permit shareholders who are U.S. citizens or U.S. corporations to claim a
foreign tax credit or deduction (but not both) on their U.S. income tax returns
for their pro rata portion of qualified taxes paid by the Fund to foreign
countries. As a result, the amounts of foreign income taxes paid by such Fund
would be treated as additional income to shareholders of such Fund for purposes
of the foreign tax credit. Each such shareholder would include in gross income
from foreign sources its pro rata share of such taxes. Certain limitations
imposed by the Internal Revenue Code may prevent shareholders from receiving a
full foreign tax credit or deduction for their allocable amount of such taxes.


    The foregoing is a general summary of the federal income tax consequences of
investing in a Fund to shareholders who are U.S. citizens or U.S. corporations.
Shareholders should consult their own tax advisers about the tax consequences of
an investment in the Funds in light of each shareholder's particular tax
situation. Shareholders should also consult their own tax advisers about
consequences under foreign, state, local or other applicable tax laws.


                               OTHER INFORMATION

    The Funds' investment performance may from time to time be included in
advertisements about the Funds. Total return for a Fund is measured by comparing
the value of an investment in a Fund at the beginning of the relevant period to
the redemption value of the investment in such Fund at the end of such period
(assuming immediate reinvestment of any dividends or capital gain
distributions). All data are based on the Funds' past investment results and do
not predict future performance. Investment performance, which will vary, is
based on many factors, including market conditions, the composition of a Fund's
portfolio and a Fund's operating expenses. Investment performance also often
reflects the risks associated with a Fund's investment objective and policies.
These factors should be considered when comparing a Fund's investment results
with those of other mutual funds and other investment vehicles. Quotations of
investment performance for any period when an expense limitation was in effect
will be greater than if the limitation had not been in effect.

                              FINANCIAL HIGHLIGHTS


    The financial highlights table is intended to help you understand each
Fund's financial performance for the past 5 years (or, if shorter, for the life
of the Fund). Certain information reflects financial results for a single Fund
share. The total returns in the table represent the rate that an investor would
have earned (or lost) on an investment in the Fund (assuming reinvestment of all
dividends and distributions). This information has been audited by
PricewaterhouseCoopers LLP, whose report, along with the Trust's financial
statements, is included in the SAI.


                                       39
<PAGE>

                          BARR ROSENBERG SERIES TRUST



                        U.S. SMALL CAPITALIZATION SERIES



                              FINANCIAL HIGHLIGHTS



<TABLE>
<CAPTION>
                                                                      FOR THE YEAR ENDED MARCH 31,
                                                    ----------------------------------------------------------------
                                                       1999          1998          1997          1996         1995
                                                    ----------     ---------     ---------     --------     --------
<S>                                                 <C>            <C>           <C>           <C>          <C>
INSTITUTIONAL SHARES
Net asset value, beginning of period..............  $     9.76     $    7.13     $    7.60     $   6.97     $   7.36
                                                    ----------     ---------     ---------     --------     --------
Income from investment operations:
  Net investment income/(loss)....................        0.01**        0.02**        0.04         0.03         0.01
  Net realized and unrealized gain/(loss) on
    investments...................................       (2.02)         3.14          1.39         2.34         0.78
                                                    ----------     ---------     ---------     --------     --------
  Total from investment operations................       (2.01)         3.16          1.43         2.37         0.79
                                                    ----------     ---------     ---------     --------     --------
Distributions to shareholders from:
  Net investment income...........................       (0.01)        (0.01)        (0.05)       (0.01)       (0.08)
  Net realized gain on investments                       (0.08)        (0.52)        (1.85)       (1.73)       (1.10)
                                                    ----------     ---------     ---------     --------     --------
  Total distributions to shareholders.............       (0.09)        (0.53)        (1.90)       (1.74)       (1.18)
                                                    ----------     ---------     ---------     --------     --------
Net asset value, end of period....................  $     7.66     $    9.76     $    7.13     $   7.60     $   6.97
                                                    ----------     ---------     ---------     --------     --------
                                                    ----------     ---------     ---------     --------     --------
Total return......................................      (20.56)%       44.95%        19.53%       35.69%       12.21%

RATIOS TO AVERAGE NET ASSETS/SUPPLEMENTAL DATA:
  Net assets, end of period (000).................  $  445,476     $ 537,891     $  82,116     $ 60,046     $ 56,910
  Net investment income/(loss) before waivers/
    reimbursements................................        0.10%         0.04%        (0.12)%       0.22%        0.33%
  Net investment income/(loss) net of waivers/
    reimbursements................................        0.16%         0.19%         0.35%        0.47%        0.60%
  Expenses before waivers/reimbursements..........        1.19%         1.30%         1.54%        1.15%        1.17%
  Expenses net of waivers/reimbursements..........        1.15%         1.15%         1.07%        0.90%        0.90%
  Portfolio turnover rate.........................      123.66%        77.70%       126.83%       71.87%       57.27%
</TABLE>


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


**  Calculated based on the average shares outstanding during the period.


                                       40
<PAGE>

                          BARR ROSENBERG SERIES TRUST



                        U.S. SMALL CAPITALIZATION SERIES



                              FINANCIAL HIGHLIGHTS



<TABLE>
<CAPTION>
                                                                    FOR THE       FOR THE       FOR THE
                                                                     YEAR          YEAR         PERIOD
                                                                     ENDED         ENDED         ENDED
                                                                   MARCH 31,     MARCH 31,     MARCH 31,
                                                                     1999          1998         1997(a)
                                                                   ---------     ---------     ---------
<S>                                                                <C>           <C>           <C>
ADVISER SHARES
Net asset value, beginning of period.............................  $  9.75       $  7.14       $  7.38
                                                                   ---------     ---------     ---------
Income from investment operations:
  Net investment income/(loss)...................................       --**       (0.01)**       0.02
  Net realized and unrealized gain/(loss) on investments.........    (2.02)         3.14         (0.26)
                                                                   ---------     ---------     ---------
  Total from investment operations...............................    (2.02)         3.13         (0.24)
                                                                   ---------     ---------     ---------
Distributions to shareholders from:
  Net investment income..........................................       --            --            --
  Net realized gain on investments...............................    (0.08)        (0.52)           --
                                                                   ---------     ---------     ---------
  Total distributions to shareholders............................    (0.08)        (0.52)           --
                                                                   ---------     ---------     ---------
Net asset value, end of period...................................  $  7.65       $  9.75       $  7.14
                                                                   ---------     ---------     ---------
                                                                   ---------     ---------     ---------
Total return.....................................................   (20.70)%       44.50%        (3.25)%

RATIOS TO AVERAGE NET ASSETS/SUPPLEMENTAL DATA:
  Net assets, end of period (000)................................  $15,465       $17,448       $   208
  Net investment income/(loss) before waivers/ reimbursements....    (0.06)%       (0.22)%        0.07%*
  Net investment income/(loss) net of waivers/ reimbursements....    (0.00)%       (0.06)%        0.46%*
  Expenses before waivers/reimbursements.........................     1.35%         1.56%         1.54%*
  Expenses net of waivers/reimbursements.........................     1.29%         1.40%         1.15%*
  Portfolio turnover rate........................................   123.66%        77.70%       126.83%
</TABLE>


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


*   Annualized.



**  Calculated based on the average shares outstanding during the period.



(a) From commencement of operations on January 21, 1997 to March 31, 1997.


                                       41
<PAGE>

                          BARR ROSENBERG SERIES TRUST



                        U.S. SMALL CAPITALIZATION SERIES



                              FINANCIAL HIGHLIGHTS



<TABLE>
<CAPTION>
                                                                    FOR THE       FOR THE       FOR THE
                                                                     YEAR          YEAR         PERIOD
                                                                     ENDED         ENDED         ENDED
                                                                   MARCH 31,     MARCH 31,     MARCH 31,
                                                                     1999          1998         1997(a)
                                                                   ---------     ---------     ---------
<S>                                                                <C>           <C>           <C>
SELECT SHARES
Net asset value, beginning of period.............................  $  9.73       $  7.13       $  8.49
                                                                   ---------     ---------     ---------
Income from investment operations:
  Net investment income/(loss)...................................    (0.01)**      (0.02)**       0.07
  Net realized and unrealized gain/(loss) on investments.........    (2.01)         3.14          0.47
                                                                   ---------     ---------     ---------
  Total from investment operations...............................    (2.02)         3.12          0.54
                                                                   ---------     ---------     ---------
Distributions to shareholders from:
  Net investment income..........................................       --            --         (0.05)
  Net realized gain on investments...............................    (0.08)        (0.52)        (1.85)
                                                                   ---------     ---------     ---------
  Total distributions to shareholders............................    (0.08)        (0.52)        (1.90)
                                                                   ---------     ---------     ---------
Net asset value, end of period...................................  $  7.63       $  9.73       $  7.13
                                                                   ---------     ---------     ---------
                                                                   ---------     ---------     ---------
Total return.....................................................   (20.74)%       44.42%         6.84%

RATIOS TO AVERAGE NET ASSETS/SUPPLEMENTAL DATA:
  Net assets, end of period (000)................................  $16,228       $33,724       $ 2,375
  Net investment income/(loss) before waivers/ reimbursements....    (0.50)%       (0.70)%        0.07%*
  Net investment income/(loss) net of waivers/ reimbursements....    (0.15)%       (0.24)%        0.46%*
  Expenses before waivers/reimbursements.........................     1.77%         2.05%         1.54%*
  Expenses net of waivers/reimbursements.........................     1.42%         1.59%         1.15%*
  Portfolio turnover rate........................................   123.66%        77.70%       126.83%
</TABLE>


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


*   Annualized.



**  Calculated based on the average shares outstanding during the period.



(a) From commencement of operations on October 22, 1996 to March 31, 1997.


                                       42
<PAGE>

                          BARR ROSENBERG SERIES TRUST



                                  JAPAN SERIES



                              FINANCIAL HIGHLIGHTS



<TABLE>
<CAPTION>
                                                                      FOR THE YEAR ENDED MARCH 31,
                                                    ----------------------------------------------------------------
                                                      1999           1998          1997         1996          1995
                                                    ---------     ----------     --------     ---------     --------
<S>                                                 <C>           <C>            <C>          <C>           <C>
INSTITUTIONAL SHARES
Net asset value, beginning of period..............  $    4.72     $     6.20     $   8.77     $    8.96     $   8.25
                                                    ---------     ----------     --------     ---------     --------
Income from investment operations:
  Net investment income/(loss)....................      (0.02)**       (0.04)**     (0.05)**       0.04         0.10
  Net realized and unrealized gain/(loss) on
    investments and foreign currency
    transactions..................................       0.76          (1.44)       (2.45)        (0.15)        0.63
                                                    ---------     ----------     --------     ---------     --------
  Total from investment operations................       0.74          (1.48)       (2.50)        (0.11)        0.73
                                                    ---------     ----------     --------     ---------     --------
Distributions to shareholders from:
  Net investment income...........................         --             --        (0.04)           --           --
  In excess of net investment income..............         --             --        (0.03)        (0.08)       (0.02)
                                                    ---------     ----------     --------     ---------     --------
  Total distributions to shareholders.............         --             --        (0.07)        (0.08)       (0.02)
                                                    ---------     ----------     --------     ---------     --------
Net asset value, end of period....................  $    5.46     $     4.72     $   6.20     $    8.77     $   8.96
                                                    ---------     ----------     --------     ---------     --------
                                                    ---------     ----------     --------     ---------     --------
Total return......................................      15.68%        (23.87)%     (28.68)%       (1.20)%       8.86%

RATIOS TO AVERAGE NET ASSETS/SUPPLEMENTAL DATA:
  Net assets, end of period (000).................  $   1,053     $      866     $  1,009     $   1,378     $  1,385
  Net investment income/(loss) before waivers/
    reimbursements................................     (13.32)%       (13.49)%     (12.54)%       (6.38)%      (6.22)%
  Net investment income/(loss) net of waivers/
    reimbursements................................      (0.50)%        (0.74)%      (0.63)%       (0.22)%      (0.20)%
  Expenses before waivers/reimbursements..........      14.32%         14.25%       13.33%         7.16%        7.02%
  Expenses net of waivers/reimbursements..........       1.50%          1.50%        1.42%         1.00%        1.00%
  Portfolio turnover rate.........................     152.20%        102.13%       51.70%        60.60%       57.10%
</TABLE>


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


 ** Calculated based on the average shares outstanding during the period.


                                       43
<PAGE>

                          BARR ROSENBERG SERIES TRUST



                                  JAPAN SERIES



                              FINANCIAL HIGHLIGHTS



<TABLE>
<CAPTION>
                                                                                                         FOR THE PERIOD
                                                                    FOR THE YEAR       FOR THE YEAR          ENDED
                                                                       ENDED              ENDED            MARCH 31,
                                                                   MARCH 31, 1999     MARCH 31, 1998        1997(a)
                                                                   --------------     --------------     --------------
<S>                                                                <C>                <C>                <C>
SELECT SHARES
Net asset value, beginning of period.............................  $      4.71        $      6.20        $      8.08
                                                                       -------            -------            -------
Income from investment operations:
  Net investment income/(loss)...................................        (0.04)**           (0.04)**           (0.01)**
  Net realized and unrealized gain/(loss) on investments and
    foreign currency transactions................................         0.77              (1.45)             (1.80)
                                                                       -------            -------            -------
  Total from investment operations...............................         0.73              (1.49)             (1.81)
                                                                       -------            -------            -------
Distributions to shareholders from:
  Net investment income..........................................           --                 --              (0.04)
  In excess of net investment income.............................           --                 --              (0.03)
                                                                       -------            -------            -------
  Total distributions to shareholders............................           --                 --              (0.07)
                                                                       -------            -------            -------
Net asset value, end of period...................................  $      5.44        $      4.71        $      6.20
                                                                       -------            -------            -------
                                                                       -------            -------            -------
Total return.....................................................        15.50%            (24.03)%           (22.59)%

RATIOS TO AVERAGE NET ASSETS/SUPPLEMENTAL DATA:
  Net assets, end of period (000)................................  $        48        $        50        $        13
  Net investment income/(loss) before waivers/ reimbursements....       (14.06)%            (9.10)%           (11.83)%*
  Net investment income/(loss) net of waivers/ reimbursements....        (0.91)%            (0.82)%             0.00%*
  Expenses before waivers/reimbursements.........................        14.95%             10.12%             13.33%*
  Expenses net of waivers/reimbursements.........................         1.80%              1.85%              1.50%*
  Portfolio turnover rate........................................       152.20%            102.13%             51.70%
</TABLE>


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


*   Annualized.



**  Calculated based on the average shares outstanding during the period.



(a) From commencement of operations on October 22, 1996 to March 31, 1997.


                                       44
<PAGE>

                          BARR ROSENBERG SERIES TRUST



                   INTERNATIONAL SMALL CAPITALIZATION SERIES



                              FINANCIAL HIGHLIGHTS



<TABLE>
<CAPTION>
                                                                    FOR THE YEAR       FOR THE YEAR       FOR THE PERIOD
                                                                       ENDED              ENDED                ENDED
                                                                   MARCH 31, 1999     MARCH 31, 1998     MARCH 31, 1997(A)
                                                                   --------------     --------------     -----------------
<S>                                                                <C>                <C>                <C>
INSTITUTIONAL SHARES
Net asset value, beginning of period.............................  $     10.10        $     10.13        $        10.00
                                                                       -------            -------               -------
Income from investment operations:
  Net investment income/(loss)...................................         0.12**             0.08**                0.02**
  Net realized and unrealized gain/(loss) on investment and
    foreign currency transactions................................        (1.02)              0.14                  0.11
                                                                       -------            -------               -------
  Total from investment operations...............................        (0.90)              0.22                  0.13
                                                                       -------            -------               -------
Distributions to shareholders from:
  Net investment income..........................................        (0.09)             (0.05)                   --
  Net realized gain on investments and foreign currency
    transactions.................................................           --              (0.06)                   --
  In excess of net realized gain on investments and foreign
    currency transactions........................................           --              (0.14)                   --
                                                                       -------            -------               -------
  Total distributions to shareholders............................        (0.09)             (0.25)                   --
                                                                       -------            -------               -------
Net asset value, end of period...................................  $      9.11        $     10.10        $        10.13
                                                                       -------            -------               -------
                                                                       -------            -------               -------
Total return.....................................................        (8.83)%             2.51%                 1.30%

RATIOS TO AVERAGE NET ASSETS/SUPPLEMENTAL DATA:
  Net assets, end of period (000)................................  $    34,292        $    39,218        $       12,859
  Net investment income/(loss) before waivers/ reimbursements....         0.82%             (0.32)%               (5.85)%*
  Net investment income/(loss) net of waivers/ reimbursements....         1.29%              0.82%                 0.11%*
  Expenses before waivers/reimbursements.........................         1.97%              2.64%                 7.46%*
  Expenses net of waivers/reimbursements.........................         1.50%              1.50%                 1.50%*
  Portfolio turnover rate........................................       111.05%             77.72%                 6.71%
</TABLE>


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


*   Annualized.



**  Calculated based on the average shares outstanding during the period.



(a) From commencement of operations on September 23, 1996 to March 31, 1997.


                                       45
<PAGE>

                          BARR ROSENBERG SERIES TRUST



                   INTERNATIONAL SMALL CAPITALIZATION SERIES



                              FINANCIAL HIGHLIGHTS



<TABLE>
<CAPTION>
                                                                      FOR THE YEAR       FOR THE YEAR       FOR THE PERIOD
                                                                         ENDED              ENDED                ENDED
                                                                     MARCH 31, 1999     MARCH 31, 1998     MARCH 31, 1997(A)
                                                                     --------------     --------------     -----------------
<S>                                                                  <C>                <C>                <C>
SELECT SHARES
Net asset value, beginning of period.............................    $     10.09        $     10.13        $        10.04
                                                                         -------             ------                ------
Income from investment operations:
  Net investment income/(loss)...................................           0.07**             0.06**                0.02**
  Net realized and unrealized gain/(loss) on investments and
    foreign currency transactions................................          (1.00)              0.14                  0.07
                                                                         -------             ------                ------
  Total from investment operations...............................          (0.93)              0.20                  0.09
                                                                         -------             ------                ------
Distributions to shareholders from:
  Net investment income..........................................          (0.06)             (0.04)                   --
  Net realized gain on investments and foreign currency
    transactions.................................................             --              (0.06)                   --
  In excess of net realized gain on investments and foreign
    currency transactions........................................             --              (0.14)                   --
                                                                         -------             ------                ------
  Total distributions to shareholders............................          (0.06)             (0.24)                   --
                                                                         -------             ------                ------
Net asset value, end of period...................................    $      9.10        $     10.09        $        10.13
                                                                         -------             ------                ------
                                                                         -------             ------                ------
Total return.....................................................          (9.16)%             2.22%                 0.90%

RATIOS TO AVERAGE NET ASSETS/SUPPLEMENTAL DATA:
  Net assets, end of period (000)................................    $     1,697        $     1,375        $          185
  Net investment income/(loss) before waivers/ reimbursements....           0.08%             (0.83)%               (5.52)%*
  Net investment income/(loss) net of waivers/ reimbursements....           0.79%              0.61%                 0.44%*
  Expenses before waivers/reimbursements.........................           2.66%              3.35%                 7.46%*
  Expenses net of waivers/reimbursements.........................           1.95%              1.91%                 1.50%*
  Portfolio turnover rate........................................         111.05%             77.72%                 6.71%
</TABLE>


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


*   Annualized.



**  Calculated based on the average shares outstanding during the period.



(a) From commencement of operations on October 29, 1996 to March 31, 1997.


                                       46
<PAGE>


                             BARR ROSENBERG SERIES TRUST

                           U.S. SMALL CAPITALIZATION SERIES
                      INTERNATIONAL SMALL CAPITALIZATION SERIES
                                     JAPAN SERIES

                         STATEMENT OF ADDITIONAL INFORMATION

                                     JULY 30, 1999



     This Statement of Additional Information is not a prospectus. This
Statement of Additional Information relates to the prospectus of the U.S. Small
Capitalization Series, Japan Series and International Small Capitalization
Series of Barr Rosenberg Series Trust dated July 30, 1999 and should be read in
conjunction therewith. A copy of the Prospectus may be obtained from Barr
Rosenberg Series Trust, 3435 Stelzer Road, Columbus, Ohio 43219.






                                   -1-
<PAGE>


                            TABLE OF CONTENTS

INVESTMENT OBJECTIVES AND POLICIES . . . . . . . . . . . . . . . . . . . 3

MISCELLANEOUS INVESTMENT PRACTICES . . . . . . . . . . . . . . . . . . . 7

INVESTMENT RESTRICTIONS. . . . . . . . . . . . . . . . . . . . . . . . . 8

INCOME DIVIDENDS, DISTRIBUTIONS AND TAX STATUS . . . . . . . . . . . . . 10

MANAGEMENT OF THE TRUST. . . . . . . . . . . . . . . . . . . . . . . . . 12

INVESTMENT ADVISORY AND OTHER SERVICES . . . . . . . . . . . . . . . . . 14

PORTFOLIO TRANSACTIONS . . . . . . . . . . . . . . . . . . . . . . . . . 19

TOTAL RETURN CALCULATIONS. . . . . . . . . . . . . . . . . . . . . . . . 21

DESCRIPTION OF THE TRUST AND OWNERSHIP OF SHARES . . . . . . . . . . . . 22

DETERMINATION OF NET ASSET VALUE . . . . . . . . . . . . . . . . . . . . 27

PURCHASE AND REDEMPTION OF SHARES. . . . . . . . . . . . . . . . . . . . 27

FINANCIAL STATEMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . 28


                                    -2-
<PAGE>


                     INVESTMENT OBJECTIVES AND POLICIES

     The investment objective and policies of each of the U.S. Small
Capitalization Series, International Small Capitalization Series and Japan
Series (each a "Fund" and collectively, the "Funds") of Barr Rosenberg Series
Trust (the "Trust") are summarized on the front page of the Prospectus and in
the text of the Prospectus under the headings "Investment Objectives and
Policies" and "General Description of Risks and Fund Investments."

     The following is an additional description of certain investments and/or
policies of the Fund(s).

     INDEX FUTURES (ALL FUNDS). An index futures contract (an "Index Future") is
a contract to buy or sell an integral number of units of an Index at a specified
future date at a price agreed upon when the contract is made. A unit is the
value of the relevant Index from time to time. Entering into a contract to buy
units is commonly referred to as buying or purchasing a contract or holding a
long position in an Index.

     Index Futures contracts can be traded through all major commodity brokers.
Currently, contracts are expected to expire on the tenth day of March, June,
September and December. A Fund will ordinarily be able to close open positions
on the United States futures exchange on which Index Futures are then traded at
any time up to and including the expiration day.

     As noted in the Prospectus, upon entering into a futures contract, a Fund
will be required to deposit initial margin with its custodian in a segregated
account in the name of the futures broker. Variation margin will be paid to and
received from the broker on a daily basis as the contracts are marked to market.
For example, when a Fund has purchased an Index Future and the price of the
relevant Index has risen, that position will have increased in value and the
Fund will receive from the broker a variation margin payment equal to that
increase in value. Conversely, when a Fund has purchased an Index Future and the
price of the relevant Index has declined, the position would be less valuable
and the Fund would be required to make a variation margin payment to the broker.

     The price of Index Futures may not correlate perfectly with movement in the
underlying Index due to certain market distortions. First, all participants in
the futures market are subject to margin deposit and maintenance requirements.
Rather than meeting additional margin deposit requirements, investors may close
futures contracts through offsetting transactions which could distort the normal
relationship between the Index and futures markets. Secondly, the deposit
requirements in the futures market are less onerous than margin requirements in
the securities market, and as a result the futures market may attract more
speculators than does the securities market. Increased participation by
speculators in the futures market may also cause temporary price distortions. In
addition, with respect to the Japan Series, trading hours for Index Futures may
not correspond perfectly to hours of trading on the Tokyo Stock Exchange. This
may result in a disparity between the price of Index Futures and the value of
the underlying Index due to the lack of continuous arbitrage between the Index
Futures price and the value of the underlying Index.

     FOREIGN CURRENCY TRANSACTIONS (INTERNATIONAL SMALL CAPITALIZATION SERIES
AND JAPAN SERIES). As is disclosed in the Prospectus following the heading
"General Description of Risks and Fund Investments," the Funds do not currently
intend to hedge the foreign currency risk associated with investments in
securities denominated in foreign currencies. However, the Funds reserve the
right to buy or sell foreign currencies or to deal in




                                      -3-
<PAGE>


forward foreign currency contracts to hedge against possible variations in
foreign exchange rates pending the settlement of securities transactions. The
Funds also reserve the right to use currency futures contracts and related
options thereon for similar purposes. By entering into a futures or forward
contract for the purchase or sale, for a fixed amount of dollars, of the amount
of foreign currency involved in the underlying security transactions, a Fund
will be able to protect itself against a possible loss resulting from an adverse
change in the relationship between the U.S. dollar and the subject foreign
currency during the period between the date on which the security is purchased
or sold and the date on which payment is made or received. A Fund's dealing in
forward contracts will be limited to this type of transaction. A Fund will not
engage in currency futures transactions for leveraging purposes. A put option on
a futures contract gives a Fund the right to assume a short position in the
futures contract until the expiration of the option. A call option on a futures
contract gives a Fund the right to assume a long position in the futures
contract until the expiration of the option.

     CURRENCY FORWARD CONTRACTS (INTERNATIONAL SMALL CAPITALIZATION SERIES AND
JAPAN SERIES). A forward foreign currency exchange contract involves an
obligation 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 as agreed by the
parties, at a price set at the time of the contract. In the case of a cancelable
forward contract, the holder has the unilateral right to cancel the contract at
maturity by paying a specified fee. The contracts traded in the interbank market
are negotiated directly between currency traders (usually large commercial
banks) and their customers. A forward contract generally has no deposit
requirement, and no commissions are charged at any stage for trades.

     CURRENCY FUTURES TRANSACTIONS (INTERNATIONAL SMALL CAPITALIZATION SERIES
AND JAPAN SERIES). A currency futures contract sale creates an obligation by the
seller to deliver the amount of currency called for in the contract in a
specified delivery month for a stated price. A currency futures contract
purchase creates an obligation by the purchaser to take delivery of the
underlying amount of currency in a specified delivery month at a stated price.
Futures contracts are traded only on commodity exchanges -- known as "contract
markets" -- approved for such trading by the Commodity Futures Trading
Commission ("CFTC"), and must be executed through a futures commission merchant,
or brokerage firm, which is a member of the relevant contract market.

     Although futures contracts by their terms call for actual delivery or
acceptance, in most cases the contracts are closed out before the settlement
date without the making or taking of delivery. Closing out a futures contract
sale is effected by purchasing a futures contract for the same aggregate amount
of the specific type of financial instrument or commodity and the same delivery
date. If the price of the initial sale of the futures contract exceeds the price
of the offsetting purchase, the seller is paid the difference and realizes a
gain. Conversely, if the price of the offsetting purchase exceeds the price of
the initial sale, the seller realizes a loss. Similarly, the closing out of a
futures contract purchase is effected by the purchaser entering into a futures
contract sale. If the offsetting sale price exceeds the purchase price, the
purchaser realizes a gain, and if the purchase price exceeds the offsetting sale
price, the purchaser realizes a loss.

     The purchase or sale of a futures contract differs from the purchase or
sale of a security, in that no price or premium is paid or received. Instead, an
amount of cash or U.S. Treasury bills generally not exceeding 5% of the contract
amount must be deposited with the broker. This amount is


                                      -4-
<PAGE>


known as initial margin. Subsequent payments to and from the broker, known as
variation margin, are made on a daily basis as the price of the underlying
futures contract fluctuates making the long and short positions in the futures
contract more or less valuable, a process known as "marking to the market." At
any time prior to the settlement date of the futures contract, the position may
be closed out by taking an opposite position which will operate to terminate the
position in the futures contract. A final determination of variation margin is
then made, additional cash is required to be paid to or released by the broker,
and the purchaser realizes a loss or gain. In addition, a commission is paid on
each completed purchase and sale transaction.

     Unlike a currency futures contract, which requires the parties to buy and
sell currency on a set date, an option on a futures contract entitles its holder
to decide on or before a future date whether to enter into such a contract. If
the holder decides not to enter into the contract, the premium paid for the
option is lost. Since the value of the option is fixed at the point of sale,
there are no daily payments of cash in the nature of "variation" or
"maintenance" margin payments to reflect the change in the value of the
underlying contract as there are by a purchaser or seller of a currency futures
contract.

     The ability to establish and close out positions on options on futures will
be subject to the development and maintenance of a liquid secondary market. It
is not certain that this market will develop or be maintained.

     The Funds will write (sell) only covered put and call options on currency
futures. This means that a Fund will provide for its obligations upon exercise
of the option by segregating sufficient cash or short-term obligations or by
holding an offsetting position in the option or underlying currency future, or a
combination of the foregoing. Set forth below is a description of methods of
providing cover that the Funds currently expect to employ, subject to applicable
exchange and regulatory requirements. If other methods of providing appropriate
cover are developed, a Fund reserves the right to employ them to the extent
consistent with applicable regulatory and exchange requirements.

     A Fund will, so long as it is obligated as the writer of a call option on
currency futures, own on a contract-for-contract basis an equal long position in
currency futures with the same delivery date or a call option on currency
futures with the difference, if any, between the market value of the call
written and the market value of the call or long currency futures purchased
maintained by the Fund in cash, U.S. Government securities, or other high-grade
liquid debt obligations in a segregated account with its custodian. If at the
close of business on any day the market value of the call purchased by a Fund
falls below 100% of the market value of the call written by the Fund, the Fund
will so segregate an amount of cash, U.S. Government securities, or other
high-grade liquid debt obligations equal in value to the difference.
Alternatively, a Fund may cover the call option through segregating with its
custodian an amount of the particular foreign currency equal to the amount of
foreign currency per futures contract option times the number of options written
by the Fund.

     In the case of put options on currency futures written by a Fund, the Fund
will hold the aggregate exercise price in cash, U.S. Government securities, or
other high-grade liquid debt obligations in a segregated account with its
custodian, or own put options on currency futures or short currency futures,
with the difference, if any, between the market value of the put written and the
market value of the puts purchased or the currency futures sold maintained by
the Fund in cash, U.S. Government securities, or other high-grade liquid debt
obligations in a segregated account with its custodian. If at the close of
business on any day the market value of the put options purchased or the




                                      -5-
<PAGE>


currency futures sold by a Fund falls below 100% of the market value of the put
options written by the Fund, the Fund will so segregate an amount of cash, U.S.
Government securities, or other high-grade liquid debt obligations equal in
value to the difference.

     A Fund may not enter into currency futures contracts or related options
thereon if immediately thereafter the amount committed to margin plus the amount
paid for premiums for unexpired options on currency futures contracts exceeds 5%
of the market value of the Fund's total assets.

     LIMITATIONS ON THE USE OF CURRENCY FUTURES CONTRACTS (INTERNATIONAL SMALL
CAPITALIZATION SERIES AND JAPAN SERIES). A Fund's ability to engage in the
currency futures transactions described above will depend on the availability of
liquid markets in such instruments. Markets in currency futures are relatively
new and still developing. It is impossible to predict the amount of trading
interest that may exist in various types of currency futures. Therefore no
assurance can be given that a Fund will be able to utilize these instruments
effectively for the purposes set forth above. Furthermore, a Fund's ability to
engage in such transactions may be limited by tax considerations.

     RISK FACTORS IN CURRENCY FUTURES TRANSACTIONS (INTERNATIONAL SMALL
CAPITALIZATION SERIES AND JAPAN SERIES). Investment in currency futures
contracts involves risk. Some of that risk may be caused by an imperfect
correlation between movements in the price of the futures contract and the price
of the currency being hedged. The hedge will not be fully effective where there
is such imperfect correlation. To compensate for imperfect correlations, a Fund
may purchase or sell futures contracts in a greater amount than the hedged
currency if the volatility of the hedged currency is historically greater than
the volatility of the futures contracts. Conversely, a Fund may purchase or sell
fewer contracts if the volatility of the price of the hedged currency is
historically less than that of the futures contracts. The risk of imperfect
correlation generally tends to diminish as the maturity date of the futures
contract approaches.

     The successful use of transactions in futures and related options also
depends on the ability of the Adviser to forecast correctly the direction and
extent of exchange rate and stock price movements within a given time frame. It
is impossible to forecast precisely what the market value of securities a Fund
anticipates buying will be at the expiration or maturity of a currency forward
or futures contract. Accordingly, in cases where a Fund seeks to protect against
an increase in value of the currency in which the securities are denominated
through a foreign currency transaction, it may be necessary for the Fund to
purchase additional foreign currency on the spot market (and bear the expense of
such currency purchase) if the market value of the securities to be purchased is
less than the amount of foreign currency the Fund contracted to purchase.
Conversely, it may be necessary to sell on the spot market some of the foreign
currency received upon the sale of the portfolio security or securities if the
market value of such security or securities exceeds the value of the securities
purchased. When a Fund purchases forward or futures contracts (or options
thereon) to hedge against a possible increase in the price of currency in which
is denominated the securities the Fund anticipates purchasing, it is possible
that the market may instead decline. If a Fund does not then invest in such
securities because of concern as to possible further market decline or for other
reasons, the Fund may realize a loss on the forward or futures contract that is
not offset by a reduction in the price of the securities purchased. As a result,
a Fund's total return for such period may be less than if it had not engaged in
the forward or futures transaction.

     Foreign currency transactions that are intended to hedge the value of
securities a Fund contemplates purchasing do not eliminate fluctuations in the




                                      -6-
<PAGE>


underlying prices of those securities. Rather, such currency transactions simply
establish a rate of exchange which can be used at some future point in time.
Additionally, although these techniques tend to minimize the risk of loss due to
a change in the value of the currency involved, they tend to limit any potential
gain that might result from the increase in the value of such currency.

     The amount of risk a Fund assumes when it purchases an option on a currency
futures contract is the premium paid for the option plus related transaction
costs. In addition to the correlation risks discussed above, the purchase of an
option also entails the risk that changes in the value of the underlying futures
contract will not be fully reflected in the value of the option purchased.

     The liquidity of a secondary market in a currency futures contract may be
adversely affected by "daily price fluctuation limits" established by commodity
exchanges which limit the amount of fluctuation in a futures contract price
during a single trading day. Once the daily limit has been reached in the
contract, no trades may be entered into at a price beyond the limit, thus
preventing the liquidation of open futures positions. Prices have in the past
exceeded the daily limit on a number of consecutive trading days.

     A Fund's ability to engage in currency forward and futures transactions may
be limited by tax considerations.

     WARRANTS (JAPAN SERIES). The Japan Series may from time to time purchase
warrants; however, not more than 5% of its net assets (at the time of purchase)
will be invested in warrants other than warrants acquired in units or attached
to other securities. Of such 5%, not more than 2% of such net assets at the time
of purchase may be invested in warrants that are not listed on the New York
Stock Exchange or American Stock Exchange. Warrants have no voting rights, pay
no dividends and have no rights with respect to the assets of the corporation
issuing them. Warrants represent options to purchase equity securities of an
issuer at a specific price for a specific period of time. They do not represent
ownership of such securities, but only the right to buy them.

                          MISCELLANEOUS INVESTMENT PRACTICES

     PORTFOLIO TURNOVER. A change in securities held by a Fund is known as
"portfolio turnover" and almost always involves the payment by the Fund of
brokerage commissions or dealer markup and other transaction costs on the sale
of securities as well as on the reinvestment of the proceeds in other
securities. Portfolio turnover is not a limiting factor with respect to
investment decisions. The portfolio turnover rate for the U.S. Small
Capitalization Series for the fiscal years ended March 31, 1997 and 1998 was
126.83% and 77.70%, respectively. The portfolio turnover rate for the Japan
Series for the fiscal years ended March 31, 1997 and 1998 was 51.70% and
102.13%, respectively. The portfolio turnover rate for the International Small
Capitalization Series for the period ended March 31, 1997 and for the fiscal
year ended March 31, 1998 was 6.71% and 77.72%, respectively. As disclosed in
the Prospectus, high portfolio turnover involves correspondingly greater
brokerage commissions and other transaction costs, which will be borne directly
by the Fund, and could involve realization of capital gains that would be
taxable when distributed to shareholders of a Fund. To the extent that portfolio
turnover results in the realization of net short-term capital gains, such gains
are ordinarily taxed to shareholders at ordinary income tax rates. See "Income
Dividends, Distributions and Tax Status" and "Portfolio Transactions."

         NOTICE ON SHAREHOLDER APPROVAL. Unless otherwise indicated in the
Prospectus or this Statement of Additional Information, the investment objective
and policies of each of the Funds may be changed without shareholder approval.


                                      -7-
<PAGE>


                               INVESTMENT RESTRICTIONS

     Without a vote of the majority of the outstanding voting securities of a
Fund, the Trust will not take any of the following actions with respect to such
Fund:

     (1) Borrow money in excess of 10% of the value (taken at the lower of cost
or current value) of the Fund's total assets (not including the amount borrowed)
at the time the borrowing is made, and then only from banks as a temporary
measure to facilitate the meeting of redemption requests (not for leverage)
which might otherwise require the untimely disposition of portfolio investments
or for extraordinary or emergency purposes. Such borrowings will be repaid
before any additional investments are purchased.

     (2) Pledge, hypothecate, mortgage or otherwise encumber its assets in
excess of 10% of the Fund's total assets (taken at cost) and then only to secure
borrowings permitted by Restriction 1 above. (For the purposes of this
restriction, collateral arrangements with respect to options, stock index,
interest rate, currency or other futures, options on futures contracts and
collateral arrangements with respect to initial and variation margin are not
deemed to be a pledge or other encumbrance of assets. With respect to the
International Small Capitalization Series and the Japan Series, collateral
arrangements with respect to swaps and other derivatives are also not deemed to
be a pledge or other encumbrance of assets.)

     (3) Purchase securities on margin, except such short-term credits as may be
necessary for the clearance of purchases and sales of securities. (For this
purpose, the deposit or payment of initial or variation margin in connection
with futures contracts or related options transactions is not considered the
purchase of a security on margin.)

     (4) Make short sales of securities or maintain a short position for the
Fund's account unless at all times when a short position is open the Fund owns
an equal amount of such securities or owns securities which, without payment of
any further consideration, are convertible into or exchangeable for securities
of the same issue as, and equal in amount to, the securities sold short.

     (5) Underwrite securities issued by other persons except to the extent
that, in connection with the disposition of its portfolio investments, it may be
deemed to be an underwriter under federal securities laws.

     (6) Purchase or sell real estate, although it may purchase securities of
issuers which deal in real estate, including securities of real estate
investment trusts, and may purchase securities which are secured by interests in
real estate.

     (7) Concentrate more than 25% of the value of its total assets in any one
industry.

     (8) Invest in securities of other investment companies, except to the
extent permitted by the Investment Company Act of 1940, as amended (the "1940
Act"). Under the 1940 Act, no registered investment company may generally (a)
invest more than 10% of its total assets (taken at current value) in securities
of other investment companies, (b) own securities of any one investment company
having a value in excess of 5% of its total assets (taken at current value), or
(c) own more than 3% of the outstanding voting stock of any one investment
company.)

     (9) Purchase or sell commodities or commodity contracts except that each of
the Funds may purchase and sell foreign currency, currency futures contracts and
options thereon, stock index and other financial futures




                                      -8-
<PAGE>


contracts and options thereon.

     (10) Make loans, except by purchase of debt obligations or by entering into
repurchase agreements or through the lending of the Fund's portfolio securities.

     (11) Issue senior securities. (For the purpose of this restriction none of
the following is deemed to be a senior security: any pledge or other encumbrance
of assets permitted by restriction (2) above; any borrowing permitted by
restriction (1) above; any collateral arrangements with respect to options,
future contracts and options on future contracts and with respect to initial and
variation margin; and the purchase or sale of options, forward contracts, future
contracts or options on future contracts.)

     Notwithstanding the latitude permitted by Restrictions 1, 2, 3, 4 and 9
above, the Funds have no current intention of (a) borrowing money, (b)
purchasing interest rate futures or (c) entering into short sales.

     It is contrary to the present policy of each Fund, which may be changed by
the Trustees of the Trust without shareholder approval, to:

     (a) With the exception of the Japan Series, invest in warrants or rights
(other than warrants or rights acquired by the Fund as a part of a unit or
attached to securities at the time of purchase).

     (b) Write, purchase or sell options on particular securities (as opposed to
market indices or currencies).

     (c) Buy or sell oil, gas or other mineral leases, rights or royalty
contracts.

     (d) Make investments for the purpose of exercising control of a company's
management.

     (e) Invest in (a) securities which at the time of investment are not
readily marketable, (b) securities the disposition of which is restricted under
the federal securities laws, and (c) repurchase agreements maturing in more than
seven days if, as a result, more than 15% of the Fund's net assets (taken at
current value) would then be invested in securities described in (a), (b) and
(c) above.

     (f) With respect to 75% of its total assets, invest in a security if, as a
result of such investment, it would hold more than 10% (taken at the time of
such investment) of the outstanding voting securities of any one issuer, except
that this restriction does not apply to securities issued or guaranteed by the
U.S. Government or its agencies or instrumentalities.

     Unless otherwise indicated, all percentage limitations on investments set
forth herein and in the Prospectus will apply at the time of the making of an
investment and shall not be considered violated unless an excess or deficiency
occurs or exists immediately after and as a result of such investment.

     The phrase "shareholder approval," as used in the Prospectus and herein,
and the phrase "vote of a majority of the outstanding voting securities," as
used herein, means the affirmative vote of the lesser of (1) more than 50% of
the outstanding shares of a Fund or the Trust, as the case may be, or (2) 67% or
more of the shares of a Fund or the Trust, as the case may be, present at a
meeting if more than 50% of the outstanding shares are represented at the
meeting in person or by proxy.


                                      -9-
<PAGE>


                    INCOME DIVIDENDS, DISTRIBUTIONS AND TAX STATUS

     The tax status of the Funds and the distributions which they may make are
summarized in the Prospectus under the headings "Distributions" "Taxes." The
Funds intend to qualify each year as a regulated investment company under the
Internal Revenue Code of 1986, as amended. In order to qualify as a "regulated
investment company," and to qualify for the special tax treatment accorded
regulated investment companies and their shareholders, each Fund must, among
other things, (a) derive at least 90% of its gross income from dividends,
interest, payments with respect to certain securities loans, gains from the sale
or other disposition of securities or foreign currencies or other income
(including but not limited to gains from options, futures or forward contracts)
derived with respect to its business of investing in such securities or
currencies; (b) diversify its holdings so that, at the close of each quarter of
its taxable year, (i) at least 50% of the value of its total assets consists of
cash, cash items, U.S. Government securities, securities of other regulated
investment companies, and other securities limited generally with respect to any
one issuer to not more than 5% of the total assets of such Fund and not more
than 10% of the outstanding voting securities of such issuer, and (ii) not more
than 25% of the value of its assets is invested in the securities of any issuer
(other than U.S. Government securities or securities of other regulated
investment companies); and (c) distribute annually at least 90% of the sum of
its taxable net investment income, its net tax-exempt income (if any), and, the
excess, if any, of net short-term capital gains over net long-term capital
losses for such year. To the extent a Fund qualifies for treatment as a
regulated investment company, the Fund will not be subject to federal income tax
on income paid to its shareholders in the form of dividends or capital gain
distributions.

     The Japan Series and the International Small Capitalization Series may be
subject to foreign withholding taxes on income and gains derived from foreign
investments. Such taxes would reduce the yield on such Funds' investments, but,
as discussed in the Prospectus, may be taken as either a deduction or a credit
by U.S. citizens and corporations. Investment by either Fund in certain "passive
foreign investment companies" could subject the Fund to a U.S. federal income
tax or other charge on distributions received from, or on the sale of its
investment in, such a company. Such a tax cannot be eliminated by making
distributions to Fund shareholders. A Fund may avoid this tax by making an
election to mark such securities to the market annually. Alternatively, where it
is in a position to do so, a Fund may elect to treat a passive foreign
investment company as a "qualified electing fund," in which case different rules
will apply, although the Funds generally do not expect to be in the position to
make such elections.

     As described in the Prospectus under the heading "Distributions," each Fund
intends to pay out substantially all of its ordinary income and net realized
short-term capital gains, and to distribute substantially all of its net
realized capital gains, if any, after giving effect to any available capital
loss carryover. Net realized capital gain is the excess of net realized
long-term capital gain over net realized short-term capital loss. Under the Tax
Reform Act of 1986, in order to avoid an excise tax imposed on certain
undistributed income, a Fund must distribute prior to each calendar year end
without regard to the Fund's fiscal year end (i) 98% of the Fund's ordinary
income, and (ii) 98% of the Fund's capital gain net income, if any, realized in
the one-year period ending on October 31.

     In general, all dividend distributions derived from ordinary income and
short-term capital gain are taxable to investors as ordinary income and
long-term capital gain distributions are taxable to investors as long-term
capital gains (generally taxed at 20%), whether such dividends or distributions
are received in shares or cash. Some 1998 distributions of long-term capital




                                      -10-
<PAGE>


gains recognized in 1997 may be taxed at 28%. The Fund generally does not expect
its dividends to be eligible for dividends-received deduction for corporations.

     Dividends and distributions on a Fund's shares are generally subject to
federal income tax as described herein to the extent they do not exceed the
Fund's realized income and gains, even though such dividends and distributions
may economically represent a return of a particular shareholder's investment.
Such distributions are likely to occur in respect of shares purchased at a time
when a Fund's net asset value reflects gains that are either unrealized, or
realized but not distributed.

         Certain tax exempt organizations or entities may not be subject to
federal income tax on dividends or distributions from a Fund. Each organization
or entity should review its own circumstances and the federal tax treatment of
its income.

     Each Fund is generally required to withhold and remit to the U.S. Treasury
31% of all dividends from net investment income and capital gain distributions,
whether distributed in cash or reinvested in shares of the Fund, paid or
credited to any shareholder account for which an incorrect or no taxpayer
identification number has been provided or where the Fund is notified that the
shareholder has underreported income in the past (or the shareholder fails to
certify that he is not subject to such withholding). In addition, the Fund will
generally be required to withhold and remit to the U.S. Treasury 31% of the
amount of the proceeds of any redemption of Fund shares from a shareholder
account for which an incorrect or no taxpayer identification number has been
provided. However, the general back-up withholding rules set forth above will
not apply to tax exempt entities so long as each such entity furnishes the Fund
with an appropriate certificate.

     The Internal Revenue Service recently revised its regulations affecting the
application to foreign investors of the back-up withholding and withholding tax
rules described above. The new regulations will generally be effective for
payments made after December 31, 1999 (although transition rules will apply). In
some circumstances, the new rules will increase the certification and filing
requirements imposed on foreign investors in order to qualify for exemption from
the 31% back-up withholding tax and for reduced withholding tax rates under
income tax treaties. Foreign investors in the Fund should consult their tax
advisors with respect to the potential application of these new regulations.

     To the extent such investments are permissible for a particular Fund, the
Fund's transactions in options, futures contracts, hedging transactions, forward
contracts, straddles and foreign currencies will be subject to special tax rules
(including mark-to-market, straddle, wash sale, constructive sale, and short
sale rules), the effect of which may be to accelerate income to the Fund, defer
losses to the Fund, cause adjustments in the holding periods of the Fund's
securities and convert short-term capital losses into long-term capital losses.
These rules could therefore affect the amount, timing and character of
distributions to shareholders.

     THE TAX DISCUSSION SET FORTH ABOVE IS A SUMMARY INCLUDED FOR GENERAL
INFORMATION PURPOSES ONLY. EACH SHAREHOLDER IS ADVISED TO CONSULT ITS OWN TAX
ADVISOR WITH RESPECT TO THE SPECIFIC TAX CONSEQUENCES TO IT OF AN INVESTMENT IN
THE FUNDS, INCLUDING THE EFFECT AND APPLICABILITY OF STATE, LOCAL, FOREIGN, AND
OTHER TAX LAWS. THIS DISCUSSION IS NOT INTENDED AS A SUBSTITUTE FOR CAREFUL TAX
PLANNING.


                                      -11-
<PAGE>

                               MANAGEMENT OF THE TRUST


     The Trustees and officers of the Trust and their principal occupations
during the past five years are as follows:


 Barr M. Rosenberg (56)       Director of Research, AXA Rosenberg Investment
                              Vice President Management LLC, January 1999 to
                              present; Chairman, AXA Rosenberg Group LLC,
                              January 1999 to present; Director, Barr
                              Rosenberg Research Center LLC, January 1999 to
                              present; Managing General Partner and Chief
                              Investment Officer, Rosenberg Institutional
                              Equity Management, January 1985 to December
                              1998.


 Kenneth Reid* (49)           Chief Executive Officer, AXA Rosenberg
 President, Trustee           Investment Management LLC, January 1999 to
                              present; General Partner and Director of
                              Research, Rosenberg Institutional Equity
                              Management, June 1986 to December 1998.


 Marlis S. Fritz (49)         Vice Chairman and Global Marketing Director, AXA
 Vice President               Rosenberg Group LLC, January 1999 to present;
                              Managing Director AXA Rosenberg Global Services
                              LLC, January 1999 to present; General Partner and
                              Director of Marketing, Rosenberg Institutional
                              Equity Management, April 1985 to December 1998.


 Nils H. Hakansson (61)       Sylvan C. Coleman Professor of Finance and
 Trustee                      Accounting, Haas School of Business, University
                              of California, Berkeley, June 1969 to present;
                              Director, Supershare Services Corporation
                              (investment management), Los Angeles, California,
                              November 1989 to 1995.


 William F. Sharpe (64)       STANCO 25 Professor of Finance, Stanford
 Trustee                      University, September 1995 to present; Professor
                              of Finance, Stanford University, September 1992 to
                              September 1995; Timken Professor Emeritus of
                              Finance, Stanford University, September 1989 to
                              September 1992; Timken Professor of Finance,
                              Stanford University, September 1970 to 1989;
                              Chairman, Financial Engines Incorporated, Los
                              Altos, California (electronic investment advice),
                              March 1996 to present.


 Dwight M. Jaffee (55)        Professor of Finance and Real Estate, Haas
 Trustee                      School of Business, University of California,
                              Berkeley, California, July 1991 to present.


 Po-Len Hew (32)              Director of Finance, AXA Rosenberg Global
 Treasurer                    Services LLC, January 1999 to present; Chief
                              Financial Officer, Barr Rosenberg Investment
                              Management Inc., April 1994 to December 1998;


                                      -12-
<PAGE>


                              Accounting Manager, Rosenberg Institutional
                              Equity Management, October 1989 to December
                              1998.


 Sara Ronan (39)              Global Services Coordinator and Paralegal, AXA
 Clerk                        Rosenberg Global Services LLC, January 1999 to
                              present; Paralegal, Barr Rosenberg Investment
                              Management, September 1997 to December 1998;
                              Director of Marketing, MIG Realty Advisors,
                              January 1996 to September 1997; Vice President,
                              Liquidity Financial Advisors, May, 1985 to January
                              1996.


 Edward H. Lyman (55)         Chief Operating Officer, AXA Rosenberg Group
 Vice President               LLC, January 1999 to present; Chief Executive
                              Officer, AXA Rosenberg Global Services LLC,
                              January 1999 to present; Executive Vice President,
                              Barr Rosenberg Investment Management, Inc. and
                              General Counsel to the Rosenberg Group of
                              companies, 1990 to present.


 Richard L. Saalfeld (55)     President and Chief Executive Officer, Barr
 Vice President               Rosenberg Mutual Funds, a division of AXA
                              Rosenberg Investment Management LLC, January 1999
                              to present; President and Chief Executive Officer
                              of mutual fund unit of Rosenberg Institutional
                              Equity Management, June 1996 to December 1998;
                              Consultant to Rosenberg Institutional Equity
                              Management, September 1995 to May 1996; Chairman
                              and Chief Executive Officer of CoreLink Resources,
                              Inc. (mutual fund marketing organization),
                              Concord, California, April 1993 to August 1995;
                              Consultant, December 1992 to March 1993.


 Harold L. Arbit (51)         Managing Director, Barr Rosenberg Mutual Funds,
 Vice President               a division of AXA Rosenberg Investment
                              Management LLC, January 1999 to present; Limited
                              Partner, Rosenberg Alpha L.P., 1984 to December
                              1998.


 F. William Jump, Jr. (42)    Strategy Engineer, AXA Rosenberg Investment
 Vice President               Management, LLC, January 1999 to present;
                              Portfolio Engineer, Rosenberg Institutional
                              Equity Management, August 1990 to December 1998.


- ----------------------------------
*    Trustee who is an "interested person" (as defined in the 1940 Act) of the
Trust or the Adviser.

     The mailing address of each of the officers and Trustees is c/o Barr
Rosenberg Series Trust, 3435 Stelzer Road, Columbus, OH 43219.

     The principal occupations of the officers and Trustees for the last five
years have been with the employers as shown above, although in some cases they


                                      -13-
<PAGE>


have held different positions with such employers.

     The Trust pays the Trustees other than those who are interested persons of
the Trust or Adviser an annual fee of $45,540 plus $4,950 for each meeting
attended. The Trust does not pay any pension or retirement benefits for its
Trustees. The Trust does not pay any compensation to officers or Trustees of the
Trust other than those Trustees who are not interested persons of the Trust or
Adviser. The following table sets forth information concerning the total
compensation paid to each of the Trustees who are not interested persons of the
Trust or Adviser in the fiscal year ended March 31, 1999:

<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------------------------------
Name of Person,           Aggregate               Pension or Retirement   Estimated Annual        Total Compensation
Position                  Compensation from       Benefits Accrued as     Benefits upon           from Registrant
                          Registrant              Part of Fund Expenses   Retirement              and Fund Complex Paid
                                                                                                  to Directors
- -----------------------------------------------------------------------------------------------------------------------
<S>                       <C>                     <C>                     <C>                     <C>
Nils H. Hakansson
Trustee                   $68,145                 $0                      $0                      $68,145
- -----------------------------------------------------------------------------------------------------------------------
William F. Sharpe
Trustee                   $68,145                 $0                      $0                      $68,145
- -----------------------------------------------------------------------------------------------------------------------
Dwight M. Jaffee
Trustee                   $29,947.50              $0                      $0                      $29,947.50
- -----------------------------------------------------------------------------------------------------------------------
</TABLE>


*    The Fund Complex consists of seven funds: the U.S. Small Capitalization
Series, the International Small Capitalization Series, the Japan Series, the
Barr Rosenberg Market Neutral Fund, the Barr Rosenberg Double Alpha Market Fund,
the Barr Rosenberg Select Sectors Market Neutral Fund and the Barr Rosenberg VIT
Market Neutral Fund.  The Barr Rosenberg VIT Narket Neutral Fund had not
commenced operations by March 31, 1999.


     Messrs. Rosenberg, Reid, Arbit, Lyman, Saalfeld and Jump and Ms. Fritz,
Ronan and Hew, each being an officer or employee of the Adviser or its
affiliates, will each benefit from the management fees paid by the Trust to the
Adviser, but receive no direct compensation from the Trust.

                        INVESTMENT ADVISORY AND OTHER SERVICES

     MANAGEMENT CONTRACTS. As disclosed in the Prospectus under the heading
"Management of the Trust," under management contracts (each a "Management
Contract") between the Trust, on behalf of each Fund, and AXA Rosenberg
Investment Management LLC (the "Adviser"), subject to the control of the
Trustees of the Trust and such policies as the Trustees may determine, the
Adviser will furnish continuously an investment program for each Fund and will
make investment decisions on behalf of each Fund and place all orders for the
purchase and sale of portfolio securities Subject to the control of the
Trustees, the Adviser furnishes office space and equipment, provides certain
bookkeeping and clerical services and pays all salaries, fees and expenses of
officers and Trustees of the Trust who are affiliated with the Adviser. As
indicated under "Portfolio Transactions -- Brokerage and Research Services," the
Trust's portfolio transactions may be placed with broker-dealers which furnish
the Adviser, at no cost, certain research, statistical and quotation services of
value to the Adviser in advising the Trust or its other clients.

     Each of the Funds has agreed to pay the Adviser a quarterly management fee
at the annual percentage rate of the relevant Fund's average daily net assets
set forth in the Prospectus. The Adviser has informed the Trust that it will
voluntarily waive some or all of its management fees under the Management
Contracts and, if necessary, will bear certain expenses of each Fund until
further notice so that such Fund's total annual operating expenses (which do not
include nonrecurring account fees and extraordinary expenses) applicable to each
class will not exceed the percentage of such Fund's average daily net assets
attributable to that class as set forth in the Prospectus. In addition, the
Adviser's compensation under each Management Contract is subject to reduction to




                                      -14-
<PAGE>


the extent that in any year the expenses of a Fund (including investment
advisory fees but excluding taxes, portfolio brokerage commissions and any
distribution expenses paid by a class of shares of a Fund pursuant to a
distribution plan or otherwise) exceed the limits on investment company expenses
imposed by any statute or regulatory authority of any jurisdiction in which
shares of the Fund are qualified for offer and sale.

     Each Management Contract provides that the Adviser shall not be subject to
any liability to the Trust or to any shareholder of the Trust in connection with
the performance of its services thereunder in the absence of willful
misfeasance, bad faith, gross negligence or reckless disregard of its
obligations and duties thereunder.

     Each Management Contract will continue in effect for a period no more than
one year from the date of its execution, and renewals thereof must be approved
by (i) vote, cast in person at a meeting called for that purpose, of a majority
of those Trustees who are not "interested persons" of the Adviser or the Trust,
and by (ii) the majority vote of either the full Board of Trustees or the vote
of a majority of the outstanding shares of the relevant Fund. Each Management
Contract automatically terminates on assignment, and is terminable on not more
than 60 days' notice by the Trust to the Adviser. In addition, each Management
Contract may be terminated on not more than 60 days' written notice by the
Adviser to the Trust.

     The Adviser is wholly owned by AXA Rosenberg Group LLC. AXA Rosenberg Group
LLC is contractually controlled by AXA-IM Rose Inc. AXA-IM Rose Inc. is wholly
owned by AXA-IM Holdings U.S. Inc. AXA-IM Holdings U.S. Inc. is wholly owned by
AXA Investment Managers S.A., a French societe anonyme, which, in turn, is
owned, collectively, by AXA Assurances IARD, S.A., a French societe anonyme, and
AXA-UAP, a French holding company. AXA Assurances IARD, S.A. is owned,
collectively, by AXA France Assurance, a French insurance holding company, and
UAP Incendie Accidents, a French casualty and insurance company, each of which,
in turn, is wholly owned by AXA-UAP. Finaxa, a French holding company,
beneficially owns more than 25% of the voting securities ("Controls") of
AXA-UAP. Mutuelles AXA, a group of four French mutual insurance companies, one
of which Controls Finaxa, acting as a group, Controls both AXA-UAP and Finaxa.
Each of these entities may be deemed a controlling person of the Adviser.


     As discussed in this Statement of Additional Information under the heading
"Management of the Trust," Kenneth Reid is a Trustee of the Trust and the Chief
Executive Officer of the Adviser; Barr M. Rosenberg is a Vice President of the
Trust and the Director of Research of the Adviser. Dr. Rosenberg, Dr. Reid and
Marlis S. Fritz, the former general partners of RIEM, may be deemed to be
controlling persons of the Adviser as a result of their interest in Area
Rosenberg Group LLC, the parent of the Adviser.


     During the last three fiscal years, the U.S. Small Capitalization Series
has paid the following amounts as management fees to the Adviser pursuant to its
Management Contract:


<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------
Time Period                   Management Fee               Amount Waived
- ------------------------------------------------------------------------------
<S>                           <C>                          <C>
4/1/96 - 3/31/97              $544,082                     $307,646
- ------------------------------------------------------------------------------
4/1/97 - 3/31/98              $2,571,254                   $206,166
- ------------------------------------------------------------------------------
4/1/98 - 3/31/99              $5,065,260                   $0
- ------------------------------------------------------------------------------
</TABLE>


     During the last three fiscal years, the Japan Series has paid the




                                      -15-
<PAGE>


following amounts as management fees to the Adviser pursuant to its Management
Contract:


<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------
Time Period                   Management Fee         Amount Waived
- -----------------------------------------------------------------------------
<S>                           <C>                    <C>
4/1/96 - 3/31/97              $12,153                $12,153
- -----------------------------------------------------------------------------
4/1/97 - 3/31/98              $10,618                $10,618
- -----------------------------------------------------------------------------
4/1/98 - 3/31/99              $9,032                 $9,032
- -----------------------------------------------------------------------------
</TABLE>


     Since its inception (9/23/96), the International Small Capitalization
Series has paid the following amounts as management fees to the Adviser pursuant
to its Management Contract:


<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------
Time Period                   Management Fee          Amount Waived
- -----------------------------------------------------------------------------
<S>                           <C>                     <C>
9/23/96 - 3/31/97             $35,711                 $35,711
- -----------------------------------------------------------------------------
4/1/97 - 3/31/98              $245,559                $221,059
- -----------------------------------------------------------------------------
4/1/98 - 3/31/99              $424,779                $173,417
- -----------------------------------------------------------------------------
</TABLE>


     ADMINISTRATIVE SERVICES. The Trust has entered into a Fund Administration
Agreement with BISYS Fund Services ("the "Administrator") pursuant to which the
Administrator provides certain management and administrative services necessary
for the Funds' operations including: (i) general supervision of the operation of
the Funds including coordination of the services performed by the Funds'
investment adviser, transfer agent, custodian, independent accountants and legal
counsel, regulatory compliance, including the compilation of information for
documents such as reports to, and filings with, the SEC and state securities
commissions, and preparation of proxy statements and shareholder reports for the
Funds; (ii) general supervision relative to the compilation of data required for
the preparation of periodic reports distributed to the Funds' officers and Board
of Trustees; and (iii) furnishing office space and certain facilities required
for conducting the business of the Funds. The Trust's principal underwriter is
an affiliate of the Administrator. For these services, the Administrator is
entitled to receive a fee, payable monthly, at the annual rate of 0.15% of the
average daily net assets of the Trust. For the fiscal years indicated, the
Administrator was entitled to receive, and waived, the following amounts:

<TABLE>
<CAPTION>
- -------------------------------------------------------------------------------------------------------------------------
Fund                            Fiscal Year Ended: March 31   Entitled to Receive           Waived
- -------------------------------------------------------------------------------------------------------------------------
<S>                             <C>                           <C>                           <C>
U.S. Small Capitalization       1999                          $844,211                      $343,817
Series                          -----------------------------------------------------------------------------------------
                                1998                          $428,543                      $142,850
                                -----------------------------------------------------------------------------------------
                                1997                          $81,281                       $0
- -------------------------------------------------------------------------------------------------------------------------
International Small             1999                          $63,717                       $25,953
Capitalization Series           -----------------------------------------------------------------------------------------
                                1998                          $36,834                       $23,451
                                -----------------------------------------------------------------------------------------
                                1997                          $5,357                        $5,357
- -------------------------------------------------------------------------------------------------------------------------
Japan                           1999                          $1,355                        $1,355
Series                          -----------------------------------------------------------------------------------------
                                1998                          $1,593                        $1,593
                                -----------------------------------------------------------------------------------------
                                1997                          $1,535                        $1,535
- -------------------------------------------------------------------------------------------------------------------------
</TABLE>


     The Trust has also entered into a Fund Accounting Agreement with the
Administrator Fund Services, Inc. (the "Fund Accountant") pursuant to which the
Fund Accountant provides certain accounting services necessary for the Funds'
operations. For these services, the Fund Accountant is entitled to receive an




                                      -16-
<PAGE>


annual fee of $30,000 for each Fund. For the fiscal years indicated, the Fund
Accountant was entitled to receive, and waived, the following amounts:

<TABLE>
<CAPTION>
- -------------------------------------------------------------------------------------------------------------------------
Fund                                      Fiscal Year Ended: March 31   Amount Paid              Amount Waived
- -------------------------------------------------------------------------------------------------------------------------
<S>                                       <C>                           <C>                      <C>
U.S. Small Capitalization Series          1999                          $60,767                  $0
                                          -------------------------------------------------------------------------------
                                          1998                          $76,899                  $7,500
                                          -------------------------------------------------------------------------------
                                          1997                          $61,341                  $0
- -------------------------------------------------------------------------------------------------------------------------
International Small Capitalization        1999                          $90,266                  $0
Series                                    -------------------------------------------------------------------------------
                                          1998                          $103,482                 $7,500
                                          -------------------------------------------------------------------------------
                                          1997                          $63,686                  $0
- -------------------------------------------------------------------------------------------------------------------------
Japan                                     1999                          $38,842                  $0
Series                                    -------------------------------------------------------------------------------
                                          1998                          $35,288                  $7,500
                                          -------------------------------------------------------------------------------
                                          1997                          $35,771                  $0
- -------------------------------------------------------------------------------------------------------------------------
</TABLE>


     DISTRIBUTOR AND SHAREHOLDER SERVICE DISTRIBUTION PLAN. As stated in the
Prospectus under the heading "Management of the Trust -- Distributor," Adviser
Shares of the U.S. Small Capitalization Series and Select Shares of each Fund
are sold on a continuous basis by the Trust's distributor, Barr Rosenberg Funds
Distributor, Inc. (the "Distributor"). The Distributor is an affiliate of the
Administrator and Fund Accountant. Under the Distributor's Contract between the
Trust and the Distributor (the "Distributor's Contract"), the Distributor is not
obligated to sell any specific amount of shares of the Trust and will purchase
shares for resale only against orders for shares.

     Pursuant to the Distribution and Shareholder Service Plan (the "Plan")
described in the Prospectus, in connection with the distribution of Select
Shares of the Trust and/or in connection with the provision of direct client
service, personal services, maintenance of shareholder accounts and reporting
services ("Shareholder Services") to holders of Select Shares of the Trust, the
Distributor receives certain distribution and service fees from the Trust.
Subject to the percentage limitation on the distribution and service fee set
forth in the Prospectus, the distribution and service fee may be paid in respect
of services rendered and expenses borne in the past with respect to each such
class as to which no distribution fee was paid on account of such limitation.
The Distributor may pay all or a portion of the distribution and service fees it
receives from the Trust to participating and introducing brokers. The
Distributor did not charge any distribution fees to the Trust through the fiscal
year ended March 31, 1997. For the fiscal years indicated, the Funds incurred
distribution expenses and the Distributor retained, waived, and paid to
broker-dealers and other selling and/or servicing institutions as follows:

<TABLE>
<CAPTION>
- -------------------------------------------------------------------------------------------------------------------------
Fund                      Fiscal Year         Distribution        Amount Retained     Amount Waived    Paid out by
                          Ended: March 31     Expenses Incurred   by Distributor                       Distributor as
                                                                                                       Described Above
- -------------------------------------------------------------------------------------------------------------------------
<S>                       <C>                 <C>                 <C>                 <C>              <C>
U.S. Small                1999                $131,917            $24,206             $74,944          $32,767
Capitalization Series     -----------------------------------------------------------------------------------------------
                          1998                $64,573             $19,895             $36,584          $8,094
                          -----------------------------------------------------------------------------------------------
                          1997                $0                  $0                  $0               $0
- -------------------------------------------------------------------------------------------------------------------------
International Small       1999                $10,810             $1,021              $5,405           $4,384
Capitalization Series     -----------------------------------------------------------------------------------------------
                          1998                $2,457              $575                $1,360           $522
                          -----------------------------------------------------------------------------------------------
                          1997                $0                  $0                  $0               $0
- -------------------------------------------------------------------------------------------------------------------------
Japan Series              1999                $221                $54                 $110             $57
                          -----------------------------------------------------------------------------------------------
                          1998                $154                $62                 $98              $0
                          -----------------------------------------------------------------------------------------------
                          1997                $0                  $0                  $0               $0
- -------------------------------------------------------------------------------------------------------------------------
</TABLE>


                                      -17-
<PAGE>


         The following table sets forth the amounts paid by the Funds for each
principal type of distribution-related activity during the fiscal year ended
March 31, 1999:

<TABLE>
<CAPTION>
- -------------------------------------------------------------------------------------------------------------------------
Actviity                        U.S. Small Capitalization     International Small           Japan Series
                                Series                        Capitalization Series
- -------------------------------------------------------------------------------------------------------------------------
<S>                             <C>                           <C>                           <C>
Advertising                     $0                            $0                            $0
- -------------------------------------------------------------------------------------------------------------------------
Printing and Mailing of
Prospectuses to other than
Current Shareholders            $0                            $0                            $0
- -------------------------------------------------------------------------------------------------------------------------
Compensation to Underwriters    $56,973                       $5,405                        $111
- -------------------------------------------------------------------------------------------------------------------------
Compensation to Broker-Dealers  $0                            $0                            $0
- -------------------------------------------------------------------------------------------------------------------------
Compensation to Sales
Personnel                       $0                            $0                            $0
- -------------------------------------------------------------------------------------------------------------------------
Interest, Carrying or Other
Financing Charges               $0                            $0                            $0
- -------------------------------------------------------------------------------------------------------------------------
Other                           $0                            $0                            $0
- -------------------------------------------------------------------------------------------------------------------------
</TABLE>


     The Plan may be terminated with respect to Select Shares by vote of a
majority of the Trustees of the Trust who are not interested persons of the
Trust and who have no direct or indirect financial interest in the operation of
the Plan or the Distributor's Contract (the "Independent Trustees"), or by vote
of a majority of the outstanding voting securities of that class. Any change in
the Plan that would materially increase the cost to Select Shares requires
approval by holders of Select Shares. The Trustees of the Trust review quarterly
a written report of such costs and the purposes for which such costs have been
incurred. Except as described above, the Plan may be amended by vote of the
Trustees of the Trust, including a majority of the Independent Trustees, cast in
person at a meeting called for that purpose. For so long as the Plan is in
effect, selection and nomination of those trustees of the Trust who are not
interested persons of the Trust shall be committed to the discretion of such
disinterested persons.

     The Distributor's Contract may be terminated with respect to any Fund or
class of shares thereof at any time by not more than 60 days' nor less than 30
days' written notice without payment of any penalty either by the Distributor or
by such Fund or class and will terminate automatically, without the payment of
any penalty, in the event of its assignment.

     The Plan and the Distributor's Contract will continue in effect with
respect to each class of shares to which they relate for successive one-year
periods, provided that each such continuance is specifically approved (i) by the
vote of a majority of the Independent Trustees and (ii) by the vote of a
majority of the entire Board of Trustees (or by vote of a majority of the
outstanding shares of a class, in the case of the Distributor's Contract) cast
in person at a meeting called for that purpose.

     If the Plan or the Distributor's Contract are terminated (or not renewed)
with respect to one or more classes, they may continue in effect with respect to
any class of any Fund as to which they have not been


                                      -18-
<PAGE>


terminated (or have been renewed).

     The Trustees of the Trust believe that the Plan will provide benefits to
the Trust. The Trustees of the Trust believe that the Plan will result in
greater sales and/or fewer redemptions of Select Shares, although it is
impossible to know for certain the level of sales and redemptions of Select
Shares that would occur in the absence of the Plan or under alternative
distribution schemes. The Trustees of the Trust believe that the effect on sales
and/or redemptions benefit the Trust by reducing Fund expense ratios and/or by
affording greater flexibility to the Trust.

     CUSTODIAL ARRANGEMENTS. State Street Bank and Trust Company ("State Street
Bank"), Boston, Massachusetts 02102, is the Trust's custodian. As such, State
Street Bank holds in safekeeping certificated securities and cash belonging to
the Trust and, in such capacity, is the registered owner of securities in
book-entry form belonging to a Fund. Upon instruction, State Street Bank
receives and delivers cash and securities of a Fund in connection with Fund
transactions and collects all dividends and other distributions made with
respect to Fund portfolio securities. State Street Bank has also contracted with
certain foreign banks and depositories to hold portfolio securities outside of
the United States on behalf of the Trust.

     INDEPENDENT ACCOUNTANTS. The Trust's independent accountants are
PricewaterhouseCoopers LLP. PricewaterhouseCoopers LLP conducts an annual audit
of the Trust's financial statements, assists in the preparation of the Trust's
federal and state income tax returns and the Trust's filings with the Securities
and Exchange Commission, and consults with the Trust as to matters of accounting
and federal and state income taxation.

                            PORTFOLIO TRANSACTIONS

     INVESTMENT DECISIONS. The purchase and sale of portfolio securities for the
Funds and for the other investment advisory clients of the Adviser are made by
the Adviser with a view to achieving each client's investment objective. For
example, a particular security may be purchased or sold on behalf of certain
clients of the Adviser even though it could also have been purchased or sold for
other clients at the same time. Likewise, a particular security may be purchased
on behalf of one or more clients when the Adviser is selling the same security
on behalf of one or more other clients. In some instances, therefore, the
Adviser, acting for one client may sell indirectly a particular security to
another client. It also happens that two or more clients may simultaneously buy
or sell the same security, in which event purchases or sales are effected pro
rata on the basis of cash available or other equitable basis so as to avoid any
one account's being preferred over any other account.

     BROKERAGE AND RESEARCH SERVICES. Transactions on stock exchanges and other
agency transactions involve the payment of negotiated brokerage commissions.
Such commissions vary among different brokers. There is generally no stated
commission in the case of securities traded in the over-the-counter markets, but
the price paid for such securities usually includes an undisclosed dealer
commission or mark up. In placing orders for the portfolio transactions of a
Fund, the Adviser will seek the best price and execution available, except to
the extent it may be permitted to pay higher brokerage commissions for brokerage
and research services as described below. The determination of what may
constitute best price and execution by a broker-dealer in effecting a securities
transaction involves a number of considerations, including, without limitation,
the overall net economic result to the Fund (involving price paid or received
and any commissions and other costs paid), the efficiency with which the
transaction is effected, the ability to effect the transaction at all where a


                                      -19-
<PAGE>


large block is involved, availability of the broker to stand ready to execute
possibly difficult transactions in the future and the financial strength and
stability of the broker. Because of such factors, a broker-dealer effecting a
transaction may be paid a commission higher than that charged by another
broker-dealer. Most of the foregoing are judgmental considerations.

     Over-the-counter transactions often involve dealers acting for their own
account. It is the Adviser's policy to place over-the-counter market orders for
a Fund with primary market makers unless better prices or executions are
available elsewhere.

     Although the Adviser does not consider the receipt of research services as
a factor in selecting brokers to effect portfolio transactions for a Fund, the
Adviser will receive such services from brokers who are expected to handle a
substantial amount of such Fund's portfolio transactions. Research services may
include a wide variety of analyses, reviews and reports on such matters as
economic and political developments, industries, companies, securities and
portfolio strategy. The Adviser uses such research in servicing other clients as
well as the Trust.

     As permitted by Section 28(e) of the Securities Exchange Act of 1934, as
amended, and subject to such policies as the Trustees of the Trust may
determine, the Adviser may pay an unaffiliated broker or dealer that provides
"brokerage and research services" (as defined in the Act) to the Adviser an
amount of commission for effecting a portfolio investment transaction in excess
of the amount of commission another broker or dealer would have charged for
effecting that transaction.




         For the period indicated, the Funds paid brokerage commissions as
follows:

<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------
                        3/31/96 - 3/31/97     3/31/97 - 3/31/98     3/31/98 - 3/31/99
- -----------------------------------------------------------------------------------------
<S>                     <C>                   <C>                   <C>
U.S. Small
Capitalization
Series                  $235,162              $1,096,445            $2,056,871
- -----------------------------------------------------------------------------------------
Japan Series            $2,266                $3,750                $3,072
- -----------------------------------------------------------------------------------------
International
Small
Capitalization
Series                  $32,340*              $100,120              $124,891
- -----------------------------------------------------------------------------------------
</TABLE>
*    From inception date (9/23/96).

     The Funds pay brokerage commissions to various entities each of which may
be deemed to be an "affiliate of an affiliate" of the Trust. Securities and
Exchange Commission rules require that commissions paid to an affiliate of an
affiliate by the Fund for portfolio transactions not exceed "usual and
customary" brokerage commissions. The rules define "usual and customary"
commissions to include amounts which are "reasonable and fair compared to the
commission, fee or other remuneration received or to be received by other
brokers in connection with comparable transactions involving similar securities
being purchased or sold on a securities exchange during a comparable period of
time." The Trustees, including those who are not "interested persons" of the
Trust, have adopted procedures for evaluating the reasonableness of commissions
paid to such affiliates and will review these procedures periodically. During
the fiscal year ended March 31, 1999, the U.S. Small Capitalization Series paid
$41,220 to Donaldson Lufkin and Jenrette, the Japan Series paid $119.39 to
Nomura International, and the International Small Capitalization Series paid
$775.15 to Nomura International in brokerage commissions.


                                      -20-
<PAGE>


                              TOTAL RETURN CALCULATIONS

     Each Fund computes its average annual total return separately for its share
classes by determining the average annual compounded rates of return during
specified periods that would equate the initial amount invested in a particular
share class to the ending redeemable value of such investment in such class,
according to the following formula:

                                          n
                                  P(1 + T)  = ERV

     Where:
          T    =  Average annual total return
          ERV  =  Ending redeemable value of a hypothetical $1,000
                  investment made at the beginning of a period at the end of
                  such period
          P    =  A hypothetical initial investment of $1,000
          n    =  Number of years

     Each Fund computes its cumulative total return separately for its share
classes by determining the cumulative rates of return during specified periods
that would equate the initial amount invested in a particular share class to the
ending redeemable value of such investment in the class, according to the
following formula:

                                    T = ERV-1,000
                                      ---------
                                        1,000

     Where:
          T    =  Cumulative rate of return
          ERV  =  Ending redeemable value of a hypothetical $1,000
                  investment made at the beginning of a period at the end of
                  such period.

     The calculations of average annual total return and cumulative total return
assume that any dividends and distributions are reinvested immediately, rather
than paid to the investor in cash. The ending redeemable value (variable "ERV"
in each formula) is determined by assuming complete redemption of the
hypothetical investment and the deduction of all nonrecurring charges at the end
of the period covered by the computations.

     Unlike bank deposits or other investments that pay a fixed yield or return
for a stated period of time, the return for a Fund will fluctuate from time to
time and does not provide a basis for determining future returns. Average annual
total return and cumulative total return are based on many factors, including
market conditions, the composition of a Fund's portfolio and a Fund's operating
expenses.

     Average annual total returns are calculated separately for Select Shares,
Adviser Shares and Institutional Shares. Select Shares, Adviser Shares and
Institutional Shares are subject to different fees and expenses and may have
different performance for the same period.

     The average annual total returns for each of the Funds for periods ended
March 31, 1999 were as follows:

<TABLE>
<CAPTION>
- -------------------------------------------------------------------------------------------------------------------------
Fund                      Class of Shares          1 Year         5 Years       10 Years       Since Inception
                                                                                               (inception date)
- -------------------------------------------------------------------------------------------------------------------------
<S>                       <C>                      <C>            <C>           <C>           <C>
U.S. Small                Institutional             -20.56%        15.95%        13.85%
Capitalization Series     -----------------------------------------------------------------------------------------------
                          Select                    -20.75%                                     8.60% (10/22/96)
                          -----------------------------------------------------------------------------------------------
                          Adviser                   -20.70%                                     4.82% (1/21/97)
- -------------------------------------------------------------------------------------------------------------------------


                                      -21-

<PAGE>


- -------------------------------------------------------------------------------------------------------------------------
International Small       Institutional            -8.83%                                      -2.15% (9/23/96)
Capitalization Series     -----------------------------------------------------------------------------------------------
                          Select                   -9.16%                                      -2.66% (10/29/96)
- -------------------------------------------------------------------------------------------------------------------------
Japan Series              Institutional            15.68%          -7.56%        -4.60%
                          -----------------------------------------------------------------------------------------------
                          Select                   15.50%                                     -14.67% (10/22/96)
- -------------------------------------------------------------------------------------------------------------------------
</TABLE>


     PERFORMANCE COMPARISONS. Investors may judge the performance of the Funds
by comparing them to the performance of other mutual fund portfolios with
comparable investment objectives and policies through various mutual fund or
market indices such as those prepared by Dow Jones & Co., Inc. and Standard &
Poor's and to data prepared by Lipper Analytical Services, Inc., a widely
recognized independent service which monitors the performance of mutual funds.
Comparisons may also be made to indices or data published in MONEY MAGAZINE,
FORBES, BARRON'S, THE WALL STREET JOURNAL, MORNINGSTAR, INC., IBBOTSON
ASSOCIATES, CDA/WIESENBERGER, THE NEW YORK TIMES, BUSINESS WEEK, U.S.A. TODAY,
INSTITUTIONAL INVESTOR and local periodicals. In addition to performance
information, general information about the Funds that appears in a publication
such as those mentioned above may be included in advertisements, sales
literature and reports to shareholders. The Funds may also include in
advertisements and reports to shareholders information discussing the
performance of the Adviser in comparison to other investment advisers and to
other institutions.

     From time to time, the Trust may include the following types of information
in advertisements, supplemental sales literature and reports to shareholders:
(1) discussions of general economic or financial principles (such as the effects
of inflation, the power of compounding and the benefits of dollar cost
averaging); (2) discussions of general economic trends; (3) presentations of
statistical data to supplement such discussions; (4) descriptions of past or
anticipated portfolio holdings for the Funds; (5) descriptions of investment
strategies for the Funds; (6) descriptions or comparisons of various investment
products, which may or may not include the Funds; (7) comparisons of investment
products (including the Funds) with relevant market or industry indices or other
appropriate benchmarks; (8) discussions of fund rankings or ratings by
recognized rating organizations; and (9) testimonials describing the experience
of persons that have invested in a Fund. The Trust may also include
calculations, such as hypothetical compounding examples, which describe
hypothetical investment results in such communications. Such performance
examples will be based on an express set of assumptions and are not indicative
of the performance of a Fund.

                   DESCRIPTION OF THE TRUST AND OWNERSHIP OF SHARES

     As more fully described in the Prospectus, the Trust is a diversified
open-end series investment company organized as a Massachusetts business trust.
A copy of the Agreement and Declaration of Trust of the Trust, as amended (the
"Declaration of Trust") is on file with the Secretary of The Commonwealth of
Massachusetts. The fiscal year of the Trust ends on March 31. The Trust changed
its name to "Barr Rosenberg Series Trust" from "Rosenberg Series Trust" on
August 5, 1996.

     Interests in the Trust's portfolios are currently represented by shares of
six series, the U.S. Small Capitalization Series, International Small
Capitalization Series, Japan Series, Barr Rosenberg Market Neutral Fund, Barr
Rosenberg Double Alpha Market Fund and the Barr Rosenberg Select Sectors Market
Neutral Fund, issued pursuant to the Declaration of Trust. The rights of
shareholders and powers of the Trustees of the Trust with respect to such


                                      -22-
<PAGE>


shares are described in the Prospectus.

     As described in the Prospectus, the U.S. Small Capitalization Series is
further divided into three classes of shares designated as Institutional Shares,
Adviser Shares and Select Shares and the Japan Series and International Small
Capitalization Series are further divided into Institutional Shares and Select
Shares. Each class of shares of each Fund represents interests in the assets of
the Fund and has identical dividend, liquidation and other rights and the same
terms and conditions except that expenses, if any, related to the distribution
and shareholder servicing of a particular class are borne solely by such class
and each class may, at the discretion of the Trustees of the Trust, also pay a
different share of other expenses, not including advisory or custodial fees or
other expenses related to the management of the Trust's assets, if these
expenses are actually incurred in a different amount by that class, or if the
class receives services of a different kind or to a different degree than the
other classes. All other expenses are allocated to each class on the basis of
the net asset value of that class in relation to the net asset value of the
particular Fund.

     The Declaration of Trust provides for the perpetual existence of the Trust.
The Trust may, however, be terminated at any time by vote of at least two-thirds
of the outstanding shares of each series of the Trust.

     VOTING RIGHTS. Shareholders are entitled to one vote for each full share
held (with fractional votes for fractional shares held) and will vote (to the
extent provided herein) in the election of Trustees and the termination of the
Trust and on other matters submitted to the vote of shareholders. Shareholders
will vote by individual series on all matters except (i) when required by the
1940 Act, shares shall be voted in the aggregate and not by individual series
and (ii) when the Trustees have determined that the matter affects only the
interests of one or more series, then only shareholders of such series shall be
entitled to vote thereon. Shareholders of one series shall not be entitled to
vote on matters exclusively affecting another series, such matters including,
without limitation, the adoption of or change in any fundamental policies or
restrictions of the other series and the approval of the investment advisory
contracts of the other series.

     Each class of shares of each Fund has identical voting rights except that
each class has exclusive voting rights on any matter submitted to shareholders
that relates solely to that class, and has separate voting rights on any matter
submitted to shareholders in which the interests of one class differ from the
interests of any other class. Each class of shares has exclusive voting rights
with respect to matters pertaining to any distribution or servicing plan
applicable to that class. All classes of shares of a Fund will vote together,
except with respect to any distribution or servicing plan applicable to a class
or when a class vote is required as specified above or otherwise by the 1940
Act.

     There will normally be no meetings of shareholders for the purpose of
electing Trustees, except that in accordance with the 1940 Act (i) the Trust
will hold a shareholders' meeting for the election of Trustees at such time as
less than a majority of the Trustees holding office have been elected by
shareholders, and (ii) if, as a result of a vacancy in the Board of Trustees,
less than two-thirds of the Trustees holding office have been elected by the
shareholders, that vacancy may only be filled by a vote of the shareholders. In
addition, Trustees may be removed from office by a written consent signed by the
holders of two-thirds of the outstanding shares and filed with the Trust's
custodian or by a vote of the holders of two-thirds of the outstanding shares at
a meeting duly called for the purpose, which meeting shall be held upon the
written request of the holders of not less than 10% of the outstanding shares.
Upon written request by the holders of at least 1% of the outstanding shares


                                      -23-
<PAGE>


stating that such shareholders wish to communicate with the other shareholders
for the purpose of obtaining the signatures necessary to demand a meeting to
consider removal of a Trustee, the Trust has undertaken to provide a list of
shareholders or to disseminate appropriate materials (at the expense of the
requesting shareholders). Except as set forth above, the Trustees shall continue
to hold office and may appoint successor Trustees. Voting rights are not
cumulative.

     No amendment may be made to the Declaration of Trust without the
affirmative vote of a majority of the outstanding shares of the Trust except (i)
to change the Trust's name or to cure technical problems in the Declaration of
Trust and (ii) to establish, designate or modify new and existing series,
sub-series or classes of shares of any series of Trust shares or other
provisions relating to Trust shares in response to applicable laws or
regulations.

     SHAREHOLDER AND TRUSTEE LIABILITY.  Under Massachusetts law, shareholders
could, under certain circumstances, be held personally liable for the
obligations of the Trust.  However, the Declaration of Trust disclaims
shareholder liability for acts or obligations of the Trust and requires that
notice of such disclaimer be given in each agreement, obligation, or instrument
entered into or executed by the Trust or the trustees. The Declaration of Trust
provides for indemnification out of all the property of the relevant series for
all loss and expense of any shareholder of that series held personally liable
for the obligations of the Trust. Thus, the risk of a shareholder incurring
financial loss on account of shareholder liability is considered remote since it
is limited to circumstances in which the disclaimer is inoperative and the
series of which he is or was a shareholder would be unable to meet its
obligations.

     The Declaration of Trust further provides that the Trustees will not be
liable for errors of judgment or mistakes of fact or law. However, nothing in
the Declaration of Trust protects a Trustee against any liability to which the
Trustee would otherwise be subject by reason of willful misfeasance, bad faith,
gross negligence, or reckless disregard of the duties involved in the conduct of
his office. The Declaration of Trust also provides for indemnification by the
Trust of the Trustees and the officers of the Trust against liabilities and
expenses reasonably incurred in connection with litigation in which they may be
involved because of their offices with the Trust, except if it is determined in
the manner specified in the Declaration of Trust that such Trustees are liable
to the Trust or its shareholders by reason of willful misfeasance, bad faith,
gross negligence or reckless disregard of his or her duties. In addition, the
Adviser has agreed to indemnify each Trustee who is not "an interested person"
of the Trust to the maximum extent permitted by the 1940 Act against any
liabilities arising by reason of such Trustee's status as a Trustee of the
Trust.

     OWNERS OF 5% OR MORE OF A FUND'S SHARES. The following chart sets forth the
names, addresses and percentage ownership of those shareholders owning
beneficially and of record (except as otherwise indicated) 5% or more of the
outstanding shares of the U.S. Small Capitalization Series as of July 2, 1999:

Institutional Shares


<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------------------------------------
Name and Address                          Number of Shares                        Ownership Percentage
- --------------------------------------------------------------------------------------------------------------
<S>                                       <C>                                     <C>
Charles Schwab & Co Inc
The Exclusive Use of our Customers
101 Montgomery St.                        15,439,778.796                          29.39%
San Francisco, CA  94104
- --------------------------------------------------------------------------------------------------------------


                                      -24-
<PAGE>


- --------------------------------------------------------------------------------------------------------------
Citizens Bank
101 N Washington Ave                      6,749,157.639                           12.85%
Saginaw, MI  48607
- --------------------------------------------------------------------------------------------------------------
The Evangelical Lutherans
Jeanie Seto
1 Cabot Rd                                3,064,867.779                           5.83%
Medford, MA  02155
- --------------------------------------------------------------------------------------------------------------

<CAPTION>
Select Shares

- --------------------------------------------------------------------------------------------------------------
Name and Address                          Number of Shares                        Ownership Percentage
- --------------------------------------------------------------------------------------------------------------
<S>                                       <C>                                     <C>
Charles Schwab & Co Inc
The Exclusive Use of our Customers
101 Montgomery St.                        479,697.713                             27.12%
San Francisco, CA  94104
- --------------------------------------------------------------------------------------------------------------
National Investor Services Corp
55 Water St. 32nd Floor
NY, NY  10041                             121,251.505                             6.85%
- --------------------------------------------------------------------------------------------------------------

<CAPTION>
Adviser Shares

- --------------------------------------------------------------------------------------------------------------
Name and Address                          Number of Shares                        Ownership Percentage
- --------------------------------------------------------------------------------------------------------------
<S>                                       <C>                                     <C>
Prudential Securities
For Exclsv Bnft of Our Customers
1 New York Plz                            402,322.280                             27.79%
NY, NY  10292
- --------------------------------------------------------------------------------------------------------------
FTC and Co
P O Box 173736                            143,938.333                             9.94%
Denver, CO  80217
- --------------------------------------------------------------------------------------------------------------
National Investor Services Corp
The Exclusive Benefit of Customers
55 Water St. 32nd Floor
NY, NY  10041                             72,430.955                              5.00%
- --------------------------------------------------------------------------------------------------------------
Vanguard Fiduciary Trust Co
Dresser-Rand Co Rmt Svgs Pln A 91621
P O Box 2600
Valley Forge, PA  19482                   75,754.720                              5.23%
- --------------------------------------------------------------------------------------------------------------
Roderick M Williams
GM Nameplate Inc 401K Prft Shrg Pln
2040 15th Ave West                        92,406.022                              6.38%
Seattle, WA  98119
- --------------------------------------------------------------------------------------------------------------
Fifth Third Bank
Harrington Bank 03-3443900
P O Box 630074                            74,120.577                              5.12%
Cincinnati, OH  45263
- --------------------------------------------------------------------------------------------------------------
</TABLE>


         The following chart sets forth the names, addresses and percentage
ownership of those shareholders owning beneficially and of record (except as
otherwise indicated) 5% or more of the outstanding shares of the Japan Series as
of July 2, 1999:


                                      -25-
<PAGE>
<TABLE>
<CAPTION>
Institutional Shares

- --------------------------------------------------------------------------------------------------------------
Name and Address                          Number of Shares                        Ownership Percentage
- --------------------------------------------------------------------------------------------------------------
<S>                                       <C>                                     <C>
AXA Rosenberg Group
4 Orinda Way Bldg E                       159,951.776                             83.79%
Orinda, CA  94563
- --------------------------------------------------------------------------------------------------------------
Koko M Baker
C/O RIEM 4 Orinda Way                     14,362.949                              7.52%
Orinda, CA  94563
- --------------------------------------------------------------------------------------------------------------

<CAPTION>
Select Shares

- --------------------------------------------------------------------------------------------------------------
Name and Address                          Number of Shares                        Ownership Percentage
- --------------------------------------------------------------------------------------------------------------
<S>                                       <C>                                     <C>
National Investor Services Corp
55 Water St. 32nd Floor
NY, NY  10041                             4,598.845                               35.30%
- --------------------------------------------------------------------------------------------------------------
Omprakash N Sureka
Anuradha O Sureka
5431 W Stonebridge Ct                     3,309.685                               25.41%
Peoria, IL  61615
- --------------------------------------------------------------------------------------------------------------
Sandra B Cook
Sandra B Cook Family Trust
425 N Martingale Rd 19 Floor
Schaumburg, IL  60173                     1,248.388                               9.58%
- --------------------------------------------------------------------------------------------------------------
Arthur Y Liss
1400 N Woodward Ave 100                   1,985.567                               15.24%
Bloomfield, MI  48304
- --------------------------------------------------------------------------------------------------------------
Charles B Murdock
Amanda S Murdock
818 Thackston Dr                          961.478                                 7.38%
Spartanburg, SC   29307
- --------------------------------------------------------------------------------------------------------------
</TABLE>




     The following chart sets forth the names, addresses and percentage
ownership of those shareholders owning of record 5% or more of the outstanding
shares of the International Small Capitalization Series as of July 2, 1998:

<TABLE>
<CAPTION>
Institutional Shares

- --------------------------------------------------------------------------------------------------------------
Name and Address                          Number of Shares                        Ownership Percentage
- --------------------------------------------------------------------------------------------------------------
<S>                                       <C>                                     <C>
Charles Schwab & Co Inc
The Exclusive Use of our Customers
101 Montgomery St.
San Francisco, CA  94104                  3,464,982.181                           93.61%
- --------------------------------------------------------------------------------------------------------------

                                      -26-
<PAGE>


<CAPTION>
Select Shares

- --------------------------------------------------------------------------------------------------------------
Name and Address                          Number of Shares                        Ownership Percentage
- --------------------------------------------------------------------------------------------------------------
<S>                                       <C>                                     <C>
Charles Schwab & Co Inc
The Exclusive Use of our Customers
101 Montgomery St.                        106,228.319                             59.26%
San Francisco, CA  94104
- --------------------------------------------------------------------------------------------------------------
National Investor Services Corp
55 Water St 32nd Floor
NY, NY  10041-3299                        10,806.147                              6.03%
- --------------------------------------------------------------------------------------------------------------
</TABLE>



     Except as follows, the officers and Trustees of the Trust, as a group,
owned less than 1% of any class of outstanding shares of the Trust as of July 2,
1999. Japan Series, Institutional Shares: as of July 2, 1999, Richard L.
Saalfeld held 1862.197 shares and William F. Sharpe held 1582.278 shares, for a
total between them of 1.80% of the outstanding shares of that class;
International Small Capitalization Series, Institutional Shares: as of July 2,
1999, William F. Sharpe held 1027.905 shares, Dwight M. Jaffee held 564.972
shares and Barr Rosenberg held 37,870.614 shares, for a total between them of
1.07% of the outstanding shares of that class.

                           DETERMINATION OF NET ASSET VALUE

     As indicated in the Prospectus, the net asset value of each Fund share is
determined on each day on which the New York Stock Exchange is open for trading.
The Trust expects that the days, other than weekend days, that the New York
Stock Exchange will not be open are Independence Day, Labor Day, Thanksgiving
Day, Christmas Day, New Year's Day, Martin Luther King, Jr. Day, President's
Day, Good Friday and Memorial Day.

     Portfolio securities listed on a securities exchange for which market
quotations are available are valued at the last quoted sale price on each
business day, or, if there is no such reported sale, at the most recent quoted
bid price. Price information on listed securities is generally taken from the
closing price on the exchange where the security is primarily traded. Unlisted
securities for which market quotations are readily available are valued at the
most recent quoted bid price, except that debt obligations with sixty days or
less remaining until maturity may be valued at their amortized cost.
Exchange-traded options, futures and options on futures are valued at the
settlement price as determined by the appropriate clearing corporation. Other
assets and securities for which no quotations are readily available are valued
at fair value as determined in good faith by the Trustees of the Trust or by
persons acting at their direction.

                          PURCHASE AND REDEMPTION OF SHARES

     The procedures for purchasing shares of each of the Funds and for
determining the offering price of such shares are described in the Prospectus.
The Trust has elected to be governed by Rule 18f-1 under the 1940 Act pursuant
to which the Trust is obligated to redeem shares solely in cash for any
shareholder during any 90-day period up to the lesser of (i) $250,000 or (ii) 1%
of the total net asset value of the Trust at the beginning of such period. The
procedures for redeeming shares of each of the Funds are described in the
Prospectus.

     The Funds have authorized one or more brokers to accept on their behalf
purchase and redemption orders. Such brokers are authorized to designate other
intermediaries to accept purchase and redemption orders on the Funds' behalf.


                                      -27-
<PAGE>


The Funds will be deemed to have received a purchase or redemption order when an
authorized broker or, if applicable, a broker's authorized designee, accepts
such order. Such orders will be priced at the respective Funds' net asset value
per share next determined after such orders are accepted by an authorized broker
or the broker's authorized designee.

                                 FINANCIAL STATEMENTS

     The Report of Independent Accountants, financial highlights and financial
statements of the Funds included in their Annual Report for the period ended
March 31, 1999 (the "Annual Report") are incorporated herein by reference to
such Annual Report. Copies of such Annual Report are available without charge
upon request by writing to Barr Rosenberg Series Trust, 3435 Stelzer Road,
Columbus, Ohio 43219 or telephoning 1-800-447-3332.

     The financial statements incorporated by reference into this Statement of
Additional Information have been audited by PricewaterhouseCoopers LLP,
independent accountants, and have been so included and incorporated by reference
in reliance upon the report of said firm, which report is given upon their
authority as experts in auditing and accounting.


                                      -28-

<PAGE>


                                        PART C

                                 OTHER INFORMATION --
                        THE U.S. SMALL CAPITALIZATION SERIES,
                 THE INTERNATIONAL SMALL CAPITALIZATION SERIES, AND
                                THE JAPAN SERIES ONLY


ITEM 23.  EXHIBITS.

(a)  (1)  Second Amended and Restated Agreement and Declaration of Trust of
          the Registrant -- incorporated by reference to Post-Effective
          Amendment No. 19 to the Registration Statement filed on July 29, 1998;

     (2)  Amendment No. 1 to Second Amended and Restated Agreement and
          Declaration of Trust of the Registrant -- incorporated by reference to
          Post-Effective Amendment No. 19 to the Registration Statement filed on
          July 29, 1998;


     (3)  Amendment No. 2 to Second Amended and Restated Agreement and
          Declaration of Trust of the Registrant -- filed herewith;


(b)       By-Laws of the Registrant -- incorporated by reference to
          Post-Effective Amendment No. 17 to the Registration Statement filed on
          December 9, 1997;

(c)       Not applicable;


(d)  (1)  Management Contract between the Registrant on behalf of its U.S.
          Small Capitalization Series and AXA Rosenberg Investment Management
          LLC -- filed herewith;

     (2)  Management Contract between the Registrant on behalf of its
          International Small Capitalization Series and AXA Rosenberg Investment
          Management LLC -- filed herewith;

     (3)  Management Contract between the Registrant on behalf of its Japan
          Series and AXA Rosenberg Investment Management LLC -- filed herewith;


(e)  Amended and Restated Distributor's Contract between the Registrant and Barr
     Rosenberg Funds Distributor, Inc. -- incorporated by reference to
     Post-Effective Amendment No. 19 to the Registration Statement filed on July
     29, 1998;

(f)  None;

(g)  (1)  Custody Agreement between the Registrant and Custodial Trust
          Company -- incorporated by reference to Post-Effective Amendment No.
          19 to the Registration Statement filed on July 29, 1998;

     (2)  Form of Special Custody Account Agreement among the Registrant,
          Custodial Trust Company and Bear, Stearns Securities Corp. --
          incorporated by reference to Post-Effective Amendment No. 17 to
          the Registration Statement filed on December 9, 1997;


     (3)  Schedule of remuneration to Custody Agreement between the Registrant


                                      -1-
<PAGE>


          and Custodial Trust Company -- incorporated by reference to
          Post-Effective Amendment No. 18 to the Registration Statement filed on
          May 29, 1998;

(h)  (1)  Transfer Agency Agreement between the Registrant and BISYS Fund
          Services, Inc. -- incorporated by reference to Post-Effective
          Amendment No. 15 to the Registration Statement filed on July 18, 1997;


     (2)  Notification of Expense Limitation by AXA Rosenberg Investment
          Management LLC to the U.S. Small Capitalization Series -- filed
          herewith;

     (3)  Notification of Expense Limitation by AXA Rosenberg Investment
          Management LLC to the International Small Capitalization
          Series -- filed herewith;

     (4)  Notification of Expense Limitation by AXA Rosenberg Investment
          Management LLC to the Japan Series -- filed herewith;


     (5)  Fund Administration Agreement between the Registrant and BISYS Fund
          Services Limited Partnership -- incorporated by reference to
          Post-Effective Amendment No. 15 to the Registration Statement filed on
          July 18, 1997;

     (6)  Fund Accounting Agreement between the Registrant and BISYS Fund
          Services, Inc. -- incorporated by reference to Post-Effective
          Amendment No. 15 to the Registration Statement filed on July 18, 1997;

(i)       Opinion of Ropes & Gray -- filed herewith



(j)  Consent of PricewaterhouseCoopers LLP -- filed herewith;

(k)  None;

(l)  Investment letter regarding initial capital -- incorporated by reference to
     Post-Effective Amendment No. 19 to the Registration Statement filed on July
     29, 1998;

(m)  Amended and Restated Distribution and Shareholder Service Plan for Select
     shares -- filed herewith;

(n)  Financial Data Schedule for Registrant's fiscal year ended March 31, 1999
     -- to be filed by amendment;

(o)  Further Amended and Restated Multi-Class Plan -- filed herewith;


(p)  (1)  Power of Attorney of Po-Len Hew -- incorporated by reference to
          Post-Effective Amendment No. 19 to the Registration Statement filed on
          July 29, 1998

     (2)  Power of Attorney of Nils H. Hakansson -- incorporated by reference to
          Post-Effective Amendment No. 19 to the Registration Statement filed on
          July 29, 1998

     (3)  Power of Attorney of William F. Sharpe -- incorporated by reference to


                                      -2-
<PAGE>


          Post-Effective Amendment No. 19 to the Registration Statement filed on
          July 29, 1998


     (4)  Power of Attorney of Dwight M. Jaffee -- incorporated by reference
          to Post-Effective Amendment No. 24 to the Registration Statement
          filed on May 28, 1999.


ITEM 24.  PERSONS CONTROLLED BY OR UNDER COMMON CONTROL WITH REGISTRANT.


The Board of Trustees of Registrant is substantially similar to the Board of
Trustees of other Funds advised by AXA Rosenberg Investment Management LLC. In
addition, the officers of these Funds are substantially identical. Nonetheless,
the Registrant takes the position that it is not under common control with these
other Funds since the power residing in the respective boards and officers
arises as the result of an official position with the respective Funds.


ITEM 25. INDEMNIFICATION.

(a)  Indemnification

     Article VIII of the Registrant's Second Amended and Restated Agreement and
     Declaration of Trust reads as follows (referring to the Registrant as the
     "Trust"):

     ARTICLE VIII

     Indemnification

          SECTION 1. TRUSTEES, OFFICERS, ETC. The Trust shall indemnify each of
     its Trustees and officers (including persons who serve at the Trust's
     request as directors, officers or trustees of another organization in which
     the Trust has any interest as a shareholder, creditor or otherwise)
     (hereinafter referred to as a "Covered Person") against all liabilities and
     expenses, including but not limited to amounts paid in satisfaction of
     judgments, in compromise or as fines and penalties, and counsel fees
     reasonably incurred by any Covered Person in connection with the defense or
     disposition of any action, suit or other proceeding, whether civil or
     criminal, before any court or administrative or legislative body, in which
     such Covered Person may be or may have been involved as a party or
     otherwise or with which such Covered Person may be or may have been
     threatened, while in office or thereafter, by reason of being or having
     been such a Covered Person except with respect to any matter as to which
     such Covered person shall have been finally adjudicated in any such action,
     suit or other proceeding to be liable to the Trust or its Shareholders by
     reason of willful misfeasance, bad faith, gross negligence or reckless
     disregard of the duties involved in the conduct of such Covered Person's
     office. Expenses, including counsel fees so incurred by any such Covered
     Person (but excluding amounts paid in satisfaction of judgments, in
     compromise or as fines or penalties), shall be paid from time to time by
     the Trust in advance of the final disposition of any such action, suit or
     proceeding upon receipt of an undertaking by or on behalf of such Covered
     Person to repay amounts so paid to the Trust if it is ultimately determined
     that indemnification of such expenses is not authorized under this Article,
     provided, however, that either (a) such Covered Person shall have provided
     appropriate security for such undertaking, (b) the Trust shall be insured
     against losses arising from any such advance payments or (c) either a
     majority of the disinterested Trustees acting on the matter (provided that
     a majority of the disinterested Trustees then in office act on the matter),
     or independent


                                      -3-
<PAGE>


     legal counsel in a written opinion, shall have determined, based upon a
     review of readily available facts (as opposed to a full trial type inquiry)
     that there is reason to believe that such Covered Person will be found
     entitled to indemnification under this Article.

          SECTION 2. COMPROMISE PAYMENT. As to any matter disposed of (whether
     by a compromise payment, pursuant to a consent decree or otherwise) without
     an adjudication by a court, or by any other body before which the
     proceeding was brought, that such Covered Person is liable to the Trust or
     its Shareholders by reason of willful misfeasance, bad faith, gross
     negligence or reckless disregard of the duties involved in the conduct of
     his or her office, indemnification shall be provided if (a) approved, after
     notice that it involves such indemnification, by at least a majority of the
     disinterested Trustees acting on the matter (provided that a majority of
     the disinterested Trustees then in office act on the matter) upon a
     determination, based upon a review of readily available fact (as opposed to
     a full trial type inquiry) that such Covered Person is not liable to the
     Trust or its Shareholders by reason of willful misfeasance, bad faith,
     Gross negligence or reckless disregard of the duties involved in the
     conduct of his or her office, or (b) there has been obtained an opinion in
     writing of independent legal counsel, based upon a review of readily
     available facts (as opposed to a full trial type inquiry) to the effect
     that such indemnification would not protect such Person against any
     liability to the Trust to which he would otherwise be subject by reason of
     willful misfeasance, bad faith, gross negligence or reckless disregard of
     the duties involved in the conduct of his office. Any approval pursuant to
     this Section shall not prevent the recovery from any Covered Person of any
     amount paid to such Covered Person in accordance with this Section as
     indemnification if such Covered Person is subsequently adjudicated by a
     court of competent jurisdiction to have been liable to the Trust or its
     Shareholders by reason of willful misfeasance, bad faith, gross negligence
     or reckless disregard of the duties involved in the conduct of such Covered
     Person's office.

          SECTION 3. INDEMNIFICATION NOT EXCLUSIVE. The right of indemnification
     hereby provided shall not be exclusive of or affect any other rights to
     which such Covered Person may be entitled. As used in this Article VIII,
     the term "Covered Person" shall include such person's heirs, executors and
     administrators and a "disinterested Trustee" is a Trustee who is not an
     "interested person" of the Trust as defined in Section 2(a)(19) of the
     Investment Company Act of 1940, as amended, (or who has been exempted from
     being an "interested person" by any rule, regulation or order of the
     Commission) and against whom none of such actions, suits or other
     proceedings or another action, suit or other proceeding on the same or
     similar grounds is then or has been pending. Nothing contained in this
     Article shall affect any rights to indemnification to which personnel of
     the Trust, other than Trustees or officers, and other persons may be
     entitled by contract or otherwise under law, nor the power of the Trust to
     purchase and maintain liability insurance on behalf of any such person;
     provided, however, that the Trust shall not purchase or maintain any such
     liability insurance in contravention of applicable law, including without
     limitation the 1940 Act.

          SECTION 4. SHAREHOLDERS. In case any Shareholder or former Shareholder
     shall be held to be personally liable solely by reason of his or her being
     or having been a Shareholder and not because of his or her acts or
     omissions or for some other reason, the Shareholder or former Shareholder
     (or his or her heirs, executors, administrators or other legal
     representatives or in the case of a corporation or other entity, its
     corporate or other general successor) shall be entitled to be held harmless
     from and indemnified against all loss and expense arising from such


                                      -4-
<PAGE>


     liability, but only out of the assets of the particular series of Shares of
     which he or she is or was a Shareholder."

(b)  Insurance

     The Trust maintains Professional Liability Insurance for each of its
     directors and officers. The Trust's policy is carried by the American
     International Specialty Lines Insurance Company and insures each director
     and officer against professional liability for decisions made in connection
     with the Trust, to the extent permitted by the 1940 Act, up to a maximum of
     $3,000,000.

ITEM 26. BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISER.


     AXA Rosenberg Investment Management LLC (the "Adviser") was organized as a
limited liability company under the laws of the State of Delaware in 1998, and
is registered as an investment adviser under the Investment Advisers Act of
1940. The Manager provides investment advisory services to a substantial number
of institutional investors, to the Barr Rosenberg Market Neutral Fund, the Barr
Rosenberg Double Alpha Market Fund and the Barr Rosenberg Select Sectors Market
Neutral Fund (the other series of the Trust), and to the series of Barr
Rosenberg Variable Insurance Trust, an open-end management investment company.


     Set forth below are the substantial business engagements during at least
the past two fiscal years of each director or officer of the Adviser:

 Name and Position with Adviser          Business and Other Connections

 Barr M. Rosenberg                       General Partner, Rosenberg Alpha L.P.
 Director of Research                    (formerly RBR Partners (limited
                                         partner of Manager)), 12 El Sueno,
                                         Orinda, California, December 1984 to
                                         present; Chairman of the Board,
                                         Rosenberg Management Company S.A., 2
                                         Place WinstonChurchill, L-1340
                                         Luxembourg, April 1989 to present;
                                         Chairman of the Board, Rosenberg U.S.
                                         Japan Management Company S.A., 2 Place
                                         Winston Churchill, L-1340 Luxembourg,
                                         July 1989 to present. Chairman of the
                                         Board, Rosenberg Global Management
                                         Company, S.A., 2 Place Winston
                                         Churchill, L-1340 Luxemburg, April 1990
                                         to present; Director and Chairman of
                                         the Board, Rosenberg Nomura Asset
                                         Management Company, Ltd., Dai-Ichi
                                         Edobashi Bldg., 1-11-1 Nihonbashi
                                         Chuo-Ku, Tokyo 103, Japan; Chairman of
                                         the Board and Director of Barr
                                         Rosenberg Investment Management, Inc.,
                                         4 Orinda Way, Orinda, California,
                                         February 1990 to present. Chairman,
                                         Barr Rosenberg European Management,
                                         Ltd., 9A Devonshire Square, London EC2M
                                         4LY, United Kingdom, March 1990 to
                                         present. Chairman, AXA Rosenberg Group
                                         LLC, January 1999 to present; Director,
                                         Barr Rosenberg Research


                                      -5-
<PAGE>


                                         Center LLC, January 1999 to present;
                                         Managing General Partner and Chief
                                         Investment Officer, Rosenberg
                                         Institutional Equity Management,
                                         January 1985 to December 1998.


 Kenneth Reid                            Director, Barr Rosenberg Investment
 Chief Executive Officer                 Management, Inc., 4 Orinda Way,
                                         Orinda, California, February 1990 to
                                         present; General Partner and Director
                                         of Research, Rosenberg Institutional
                                         Equity Management, June 1986 to
                                         December 1998.


 William Ricks                           Director of Accounting Research,
 Chief Investment Adviser                Portfolio Engineer and Research
                                         Associate, Rosenberg Institutional
                                         Equity Management, 1989 to 1998.


 Cecelia Baron                           Marketing Director, Rosenberg
 Marketing Director                      Institutional Equity Management, 1993
                                         to 1998; Vice president and Manager of
                                         Business Development, Fischer Francis
                                         Trees & Watts, New York, 1985 to 1993.

ITEM 27.  PRINCIPAL UNDERWRITERS:

(a)  Barr Rosenberg Funds Distributor, Inc. (the "Distributor") is the principal
     underwriter of the Trust's Select shares. The Distributor does not act as
     principal underwriter, depositor or investment adviser for any other
     investment company.

(b)  Information with respect to the Distributor's directors and officers is as
     follows:


 Name and Principal         Positions and Offices     Positions and Offices
 Business Address           with Underwriter          with Registrant
 ------------------         ---------------------     ---------------------


 David J. Huber             President                 None


 Lynn J. Mangum             Director, Chairman        None


 Kevin J. Dell              Vice President, Secretary None


 Michael D. Burns           Vice President, Chief     None
                            Financial Officer


 Robert J. McMullan         Vice President, Director, None
                            Treasurer

The business address of all directors and officers of the Distributor is 90 Park


                                      -6-
<PAGE>


Avenue, New York, NY 10016.

(c)       None

ITEM 28.  LOCATION OF ACCOUNTS AND RECORDS.

     All accounts, books and other documents required to be maintained by
Section 31(a) of the Investment Company Act of 1940, as amended, and the rules
thereunder will be maintained at the offices of:

1.        Barr Rosenberg Series Trust
          3435 Stelzer Road
          Columbus, Ohio  43219
          Rule 31a-1 (b)(1),(2),(3), (4), (5), (6), (7), (8), (9), (10), (11)
          Rule 31a-2 (a)


2.        AXA Rosenberg Investment Management LLC
          Four Orinda Way
          Building E
          Orinda, CA  94563
          Rule 31a-1 (f)
          Rule 31a-2 (e)


3.        Barr Rosenberg Funds Distributor, Inc.
          90 Park Avenue
          New York, NY 10016
          Rule 31a-1 (d)
          Rule 31a-2 (c)


ITEM 29.  MANAGEMENT SERVICES.

       None.

ITEM 32.  UNDERTAKINGS.

       The Registrant undertakes to comply with the last three paragraphs of
Section 16(c) of the Investment Company Act of 1940 as though such provisions of
the Act were applicable to the Trust.

                                       NOTICE

     A copy of the Agreement and Declaration of Trust, as amended, of the
Registrant is on file with the Secretary of The Commonwealth of Massachusetts
and notice is hereby given that this instrument is executed on behalf of the
Registrant by an officer of the Registrant as an officer and not individually
and that the obligations of or arising out of this instrument are not binding
for any of the trustees or shareholders individually but are binding only upon
the assets and property of the Registrant.


                                      -7-
<PAGE>


                            SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 and the Investment
Company Act of 1940, the Registrant has duly caused this Post-Effective
Amendment No. 29 to its Registration Statement to be signed on its behalf by the
undersigned, thereunto duly authorized, in the City of Orinda, and the State of
California, on the 30th day of July, 1999.

                              BARR ROSENBERG SERIES TRUST

                              By:  RICHARD L. SAALFELD
                                   ---------------------
                                   Richard L. Saalfeld
                                   President


Pursuant to the requirements of the Securities Act of 1933, this Amendment to
its Registration Statement has been signed below by the following persons in the
capacities indicated and on the 30th day of July, 1999.

 SIGNATURE                  TITLE                     DATE
 ---------                  -----                     ----

 RICHARD L. SAALFELD        President                 July 30, 1999
 --------------------       (principal executive
 Richard L. Saalfeld        officer)

 KENNETH REID               Trustee                   July 30, 1999
 ------------
 Kenneth Reid

 Po-Len Hew*                Treasurer (principal      July 30, 1999
 -----------                financial and accounting
 Po-Len Hew                 officer)

 William F. Sharpe*         Trustee                   July 30, 1999
 ------------------
 William F. Sharpe

 Nils H. Hakansson*         Trustee                   July 30, 1999
 ------------------
 Nils H. Hakansson

 Dwight M. Jaffee*          Trustee                   July 30, 1999
 -----------------
 Dwight M. Jaffee



*By:      KENNETH REID
          ----------------
          Kenneth Reid
          Attorney-in-Fact

Date: July 30, 1999


                                   -8-
<PAGE>


                             EXHIBIT INDEX


EXHIBIT NO.                DESCRIPTION
- -----------                -----------

23(i)                      Consent of Ropes & Gray

23(j)                      Consent of PricewaterhouseCoopers LLP


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                              ONE INTERNATIONAL PLACE
                         BOSTON, MASSACHUSETTS  02110-2624
                                   (617) 951-7000
                                 Fax:  (617) 951-7050

                                   July 30, 1999



Barr Rosenberg Series Trust
4 Orinda Way,  Building E.
Orinda, CA  94563


Ladies and Gentlemen:

     We are furnishing this opinion in connection with the proposed offer and
sale by Barr Rosenberg Series Trust, a Massachusetts business trust (the
"Trust"), of shares of beneficial interest of its U.S. Small Capitalization
Series, International Small Capitalization Series and Japan Series (the
"Shares") pursuant to a registration statement on Form N-1A (the "Registration
Statement") under the Securities Act of 1933, as amended.

     We are familiar with the action taken by the Trustees of the Trust to
authorize the issuance of the Shares.  We have examined the Trust's By-Laws and
its Second Amended and Restated Agreement and Declaration of Trust (the
"Declaration of Trust") on file in the office of the Secretary of The
Commonwealth of Massachusetts and such other documents as we deem necessary for
the purposes of this opinion.  We assume that upon sale of the Shares the Trust
will receive the net asset value thereof.

     Based upon the foregoing, we are of the opinion that the Trust is
authorized to issue an unlimited number of Shares, and that, when the Shares are
issued and sold, they will be validly issued, fully paid and nonassessable by
the Trust.

     The Trust is an entity of the type commonly known as a "Massachusetts
business trust."  Under Massachusetts law, shareholders could, under certain
circumstances, be held personally liable for the obligations of the Trust.
However, the Declaration of Trust disclaims shareholder liability for acts or
obligations of the Trust and requires that notice of such disclaimer be given in
each agreement, obligation or instrument entered into or executed by the Trust
or the Trustees.  The Declaration of Trust provides for indemnification out of
the property of the particular series of shares for all loss and expense of any
shareholder of that series held personally liable solely by reason of his or her
having been a shareholder of that series.  Thus, the risk of shareholder
liability is limited to circumstances in which that series itself would be
unable to meet its obligations.

     We consent to the filing of this opinion as an exhibit to the Registration
Statement.



                              Very truly yours,


                              ROPES & GRAY

                              Ropes & Gray


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                       CONSENT OF INDEPENDENT ACCOUNTANTS

         We hereby consent to the incorporation by reference in the Prospectus
and Statement of Additional Information constituting parts of this Post-
Effective Amendment No. 29 to the registration statement on Form N1-A (the
"Registration Statement") of our report dated May 18, 1999, relating to the
financial statements and financial highlights of the U.S. Small Capitalization
Series, International Small Capitalization Series and Japan Series (portfolios
of Barr Rosenberg Series Trust) which appears in the March 31, 1999 Annual
Report to Shareholders of Barr Rosenberg Series Trust which is also incorporated
by reference into the Registration Statement. We also consent to the references
to us under the heading "Financial Highlights" and the headings "Independent
Accountants" and "Financial Statements" in the Statement of Additional
Information.




PricewaterhouseCoopers LLP
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PricewaterhouseCoopers LLP



San Francisco, California
July 30, 1999


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