RBB FUND INC
485APOS, 1999-05-19
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      As filed with the Securities and Exchange Commission on May 19, 1999
                        Securities Act File No. 33-20827
                    Investment Company Act File No. 811-5518
================================================================================
                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                                    FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933                   |X|
Pre-Effective Amendment No. __                                            |_|
Post-Effective Amendment No. 65                                           |X|

                                       and

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940           |X|


                              Amendment No. 67                            |X|



                               THE RBB FUND, INC.


               (Exact Name of Registrant as Specified in Charter)
                         Bellevue Park Corporate Center
                         400 Bellevue Parkway, Suite 100
                              Wilmington, DE 19809
                    (Address of Principal Executive Offices)

                  Registrant's Telephone Number: (302) 792-2555

                                   Copies to:
GARY M. GARDNER, ESQUIRE                          MICHAEL P. MALLOY, ESQUIRE
PNC Bank, National Association                    Drinker Biddle & Reath LLP
1600 Market Street, 28th Floor                    1100 PNB Building
Philadelphia, PA 19103                            1345 Chestnut Street
(Name and Address of Agent for Service)           Philadelphia, PA  19107-3496

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

                |_| immediately upon filing pursuant to paragraph (b)
                |_| on (date) pursuant to paragraph (b) 
                |_| 60 days after filing pursuant to paragraph (a)(1)
                |_| on (date) pursuant to paragraph (a)(1) 
                |X| 75 days after filing pursuant to paragraph (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.

          The purpose of this Post-Effective Amendment is to register one new
     portfolio of Registrant and its shares.

          Title of Securities..................Shares of Common Stock


<PAGE>

                               THE RBB FUND, INC.

                     BOSTON PARTNERS LONG-SHORT EQUITY FUND
                             (INSTITUTIONAL SHARES)


                              CROSS REFERENCE SHEET


FORM N-1A ITEM                                LOCATION

   Part A                                     Prospectus

1. Cover Page..............................   Cover Page

2. Synopsis................................   Annual Fund Operating Expenses

3. Condensed Financial Information.........   Expense Table

4. General Description of Registrant.......   Cover Page; Investment Objectives 
                                              and Policies; Investment 
                                              Limitations; Risk Factors; 
                                              Additional Investment Policies

5. Management of the Fund..................   Management

6. Capital Stock and Other Securities......   Cover Page; Dividends and 
                                              Distributions; Multi-Class 
                                              Structure; Description of Shares

7. Purchase of Securities Being Offered....   How to Purchase Shares; Net Asset 
                                              Value

8. Redemption or Repurchase................   How to Redeem and Exchange Shares;
                                              Net Asset Value

9. Legal Proceedings.......................   Not applicable

<PAGE>

                               THE RBB FUND, INC.

                     BOSTON PARTNERS LONG-SHORT EQUITY FUND
                                (INVESTOR SHARES)


                              CROSS REFERENCE SHEET


FORM N-1A ITEM                                LOCATION

   Part A                                     Prospectus

1. Cover Page..............................   Cover Page

2. Synopsis................................   Annual Fund Operating Expenses

3. Condensed Financial Information.........   Expense Table

4. General Description of Registrant.......   Cover Page; Investment Objectives 
                                              and Policies; Investment 
                                              Limitations; Risk Factors; 
                                              Additional Investment Policies

5. Management of the Fund..................   Management

6. Capital Stock and Other Securities......   Cover Page; Dividends and 
                                              Distributions; Multi-Class 
                                              Structure; Description of Shares

7. Purchase of Securities Being Offered....   How to Purchase Shares; Net Asset 
                                              Value

8. Redemption or Repurchase................   How to Redeem and Exchange Shares;
                                              Net Asset Value

9. Legal Proceedings.......................   Not applicable

<PAGE>

                               THE RBB FUND, INC.

                     BOSTON PARTNERS LONG-SHORT EQUITY FUND


                              CROSS REFERENCE SHEET

FORM N-1A ITEM                              LOCATION

    PART B                                  STATEMENT OF ADDITIONAL INFORMATION

10. Cover Page.............................  Cover Page
                                             
11. Table of Contents......................  Cover Page
                                             
12. General Information and History........  General; Directors and Officers;
                                             Additional Information Concerning
                                             RBB Shares; Miscellaneous
                                             
13. Investment Objectives and Policies.....  Investment Limitations; Common
                                             Investment Policies; Supplemental
                                             Investment Policies
                                             
14. Management of the Fund.................  Directors and Officers; Investment
                                             Advisory and Servicing Arrangements
                                             
15. Control Persons and Principal Holders    
    of Securities..........................  Additional Information Concerning
                                             RBB Shares
                                             
16. Investment Advisory and Other            
    Services...............................  Investment Advisory and Servicing
                                             Arrangements; See Prospectus -
                                             "Management"
                                             
17. Brokerage Allocation and Other           
    Practices..............................  Portfolio Transactions
                                             
18. Capital Stock and Other Securities.....  Additional Information Concerning
                                             RBB Shares; See Prospectus
                                             - "Dividends and Distributions"
                                             and "Description of Shares"
                                             
19. Purchase, Redemption and Pricing of      
    Securities Being Offered...............  Purchase and Redemption
                                             Information; Valuation of Shares;
                                             See Prospectus - "How to Purchase
                                             Shares" and "How to Redeem and
                                             Exchange Shares"
                                             
20. Tax Status.............................  Taxes; See Prospectus - "Taxes"
                                             
21. Underwriters...........................  Not Applicable
                                             
22. Calculation of Performance Data........  Performance and Yield Information
                                             
23. Financial Statements...................  None
                                            

<PAGE>

                       BOSTON PARTNERS MARKET NEUTRAL FUND

                     BOSTON PARTNERS LONG-SHORT EQUITY FUND

                             (INSTITUTIONAL SHARES)
                                       OF
                               THE RBB FUND, INC.

     BOSTON PARTNERS MARKET NEUTRAL FUND (the "Market Neutral Fund") and BOSTON
PARTNERS LONG-SHORT EQUITY FUND (the "Long-Short Equity Fund" and, together with
the Market Neutral Fund, the "Funds") are investment portfolios of The RBB Fund,
Inc. ("RBB" or the "Company"), an open-end management investment company. The
shares of the Institutional Classes ("Shares") offered by this Prospectus
represent interests in the Funds.

     The Market Neutral Fund is a diversified fund that seeks long-term capital
appreciation while minimizing exposure to general equity market risk. The Market
Neutral Fund seeks a total return greater than the total return of the Salomon
Smith Barney U.S. 1-Month Treasury Bill Index(TM). The Market Neutral Fund
pursues its objective by taking long positions in stocks identified by Boston
Partners Asset Management, L.P. (the "Adviser") as undervalued and short
positions in such stocks that the Adviser has identified as overvalued.
Generally, the Market Neutral Fund's investments will be invested primarily in
securities principally traded in the United States markets.

     The Long-Short Equity Fund is a diversified fund that seeks a total return
greater than that of the Standard & Poor's 500 Composite Stock Price Index. The
Long-Short Equity Fund pursues its objective by investing a substantial
proportion of its net assets in shares of the Market Neutral Fund. The
Long-Short Equity Fund also intends to invest in futures contracts, options on
futures contracts, equity swap agreements and other investments.

     This Prospectus contains information that a prospective investor needs to
know before investing. Please keep it for future reference. A Statement of
Additional Information, dated June 1, 1999, has been filed with the Securities
and Exchange Commission and is incorporated by reference in this Prospectus. It
may be obtained free of charge from RBB by calling (800) 311-9783 or 9829. The
Prospectus and the Statement of Additional Information are available for
reference, along with other related materials, on the SEC Internet Web Site
(http://www.sec.gov).

SHARES OF THE FUNDS ARE NOT DEPOSITS OR OBLIGATIONS OF OR GUARANTEED OR ENDORSED
BY PNC BANK, NATIONAL ASSOCIATION OR ANY OTHER BANK AND SHARES ARE NOT FEDERALLY
INSURED BY THE FEDERAL DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD
OR ANY OTHER AGENCY. INVESTMENTS IN SHARES OF THE FUNDS INVOLVE INVESTMENT
RISKS, INCLUDING THE POSSIBLE LOSS OF PRINCIPAL.


<PAGE>


THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE COMMISSION OR
ANY STATE SECURITIES COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF THIS
PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

PROSPECTUS JUNE 1, 1999

                                       -2-
<PAGE>


EXPENSE TABLE

     The following table illustrates the shareholder transaction and annual
operating expenses that are estimated to be incurred by Institutional Shares of
each Fund (after fee waivers and expense reimbursements) during the next twelve
months as a percentage of average daily net assets. An example based on each
summary is also shown.


SHAREHOLDER TRANSACTION EXPENSES
                                                          MARKET      LONG-SHORT
                                                       NEUTRAL FUND  EQUITY FUND

Maximum Sales Charge Imposed on Purchases..................None          None
Maximum Sales Charge Imposed on Reinvested Dividends.......None          None
Maximum Deferred Sales Charge..............................None          None
Redemption Fee 1........................ ..................1.00%         1.00%
Exchange Fee...............................................None          None


ANNUAL FUND OPERATING EXPENSES (AS A PERCENTAGE OF AVERAGE NET ASSETS)

Management Fees (after waivers)2...........................1.85%         0.00%
12b-1 Fees.................................................None          None
Other Expenses (after waivers and expense reimbursements)..0.65%         2.60%
Total Fund Operating Expenses (after waivers and
     expense reimbursements)2............................. 2.50%         2.60%


1    To prevent the Funds from being adversely affected by the transaction costs
     associated with short-term shareholder transactions, the Funds will redeem
     shares at a price equal to the net asset value of the shares, less an
     additional transaction fee equal to 1.00% of the net asset value of the all
     such shares redeemed that have been held for less than one year. Such fees
     are not sales charges or contingent deferred sales charges, but are
     retained by each respective Fund for the benefit of all shareholders.

2    In the absence of fee waivers and expense reimbursements, Management Fees
     would be 2.25% and 0.10%, Other Expenses would be 0.78% and 3.15%, and
     Total Fund Operating Expenses would be 3.03% and 3.25% with respect to the
     Market Neutral and Long-Short Equity Funds, respectively. Management Fees
     are each based on average daily net assets and are calculated daily and
     paid monthly. "Other Expenses" and "Total Fund Operating Expenses" do not
     include short-sale dividends, as defined below under "Management -
     Expenses" (estimated at 0.45% and 0.45% for the current fiscal year with
     respect to the Market Neutral Fund and Long-Short Equity Fund,
     respectively).

                                       -3-

<PAGE>



EXAMPLE

     An investor would pay the following expenses on a $1,000 investment in the
Funds, assuming (1) a 5% annual return and (2) redemption at the end of each
time period:


                                                             ONE           THREE
                                                             YEAR          YEARS
INCLUDING THE 1.00% TRANSACTION FEE ON REDEMPTIONS
MADE WITHIN A YEAR OF PURCHASE 

Boston Partners Market Neutral Fund                          $35           $78
Boston Partners Long-Short Equity Fund                       $26           $81

EXCLUDING THE 1.00% TRANSACTION FEE ON REDEMPTIONS
MADE WITHIN A YEAR OF PURCHASE 

Boston Partners Market Neutral Fund                          $25           $78
Boston Partners Long-Short Equity Fund                       $26           $81


     The Fee Table is designed to assist an investor in understanding the
various costs and expenses that an investor in the Funds will bear directly or
indirectly. (For more complete descriptions of the various costs and expenses,
see "Management" and "Distribution of Shares" below.) The Fee Table reflects
expense reimbursements and voluntary waivers of Management Fees for the Fund,
which are expected to be in effect during the current fiscal year. However, the
Adviser and the Fund's other service providers are under no obligation with
respect to such expense reimbursements and waivers and there can be no assurance
that any future expense reimbursements and waivers of Management Fees will not
vary from the figures reflected in the Fee Table.

     The Example in the Fee Table assumes that all dividends and distributions
are reinvested and that the amounts listed under "Annual Fund Operating
Expenses" remain the same in the years shown. THE EXAMPLE SHOULD NOT BE
CONSIDERED A REPRESENTATION OF PAST OR FUTURE EXPENSES AND ACTUAL EXPENSES MAY
BE GREATER OR LESS THAN THOSE SHOWN.

                                       -4-

<PAGE>


INTRODUCTION

     RBB is an open-end management investment company incorporated under the
laws of the State of Maryland currently operating or proposing to operate
seventeen separate investment portfolios. The Shares offered by this Prospectus
represent interests in the Boston Partners Market Neutral Fund and the Boston
Partners Long-Short Equity Fund. RBB was incorporated in Maryland on February
29, 1988.

INVESTMENT OBJECTIVES AND POLICIES

     The MARKET NEUTRAL FUND Is a diversified fund that seeks long-term capital
appreciation while minimizing exposure to general equity market risk. The Market
Neutral Fund seeks a total return greater than the total return of the Salomon
Smith Barney U.S. 1-Month Treasury Bill Index(TM). The term "market neutral" in
this instance is used to define a strategy of investing or engaging in
transactions in equity securities, while seeking to minimize the impact of
movements in the equity markets. The Market Neutral Fund pursues its objective
by taking long positions in stocks identified by the Adviser as undervalued and
short positions in such stocks that the Adviser has identified as overvalued.
The cash proceeds from short sales will be invested in short-term cash
instruments to produce a return on such proceeds just below the federal funds
rate. Generally, the Market Neutral Fund's investments will be invested
primarily in securities principally traded in the United States markets. See
"Risk Factors -- Short Sales" below. By taking long and short positions in
different stocks with similar characteristics, the Fund attempts to minimize the
effect of general stock market movements on the Fund's performance. The Adviser
will determine the size of each long or short position by analyzing the tradeoff
between the attractiveness of each position and its impact on the risk of the
overall portfolio. The Fund seeks to construct a portfolio that has minimal net
exposure to the U.S. equity market generally and low to neutral exposure to
specific industries, specific capitalization ranges (e.g., large cap, mid cap
and small cap) and certain other factors.

     Although the Market Neutral Fund's investment strategy seeks to minimize
the risk associated with investing in the equity market, an investment in the
Market Neutral Fund will be subject to the risk of poor stock selection by the
Adviser. In other words, the Adviser may not be successful in executing its
strategy of taking long positions in stocks that outperform the market and short
positions in stocks that underperform the market. Further, since the Adviser
will manage both a long and a short portfolio, an investment in the Market
Neutral Fund will involve the risk that the Adviser may make more poor
investment decisions than an adviser of a typical stock mutual fund with only a
long portfolio may make. An investment in one-month U.S. Treasury Bills is
different from an investment in the Market Neutral Fund because Treasury Bills
are backed by the full faith and credit of the U.S. Government, Treasury Bills
have a fixed rate of return and investors in Treasury Bills do not bear the risk
of losing their investment.

     To meet margin requirements, redemptions or pending investments, the Market
Neutral Fund may also temporarily hold a portion of its assets 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

                                       -5-

<PAGE>

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 Market Neutral Fund's long and short positions may involve (without
limit) equity securities of foreign issuers that are traded in the markets of
the United States as sponsored American Depository Receipts ("ADRs"). ADRs are
receipts typically issued by a U.S. bank or trust company evidencing ownership
of the underlying foreign securities. Generally, ADRs, in registered form, are
designed for use in U.S. securities markets. The ADRs may not necessarily be
denominated in the same currency as the foreign securities underlying the ADRs.
See "Risk Factors -- Foreign Investments." The Market Neutral Fund may also
invest up to 20% of its total assets directly in stocks of foreign issuers.

     The investment objective of the LONG-SHORT EQUITY FUND is to seek a total
return greater than that of the Standard & Poor's 500 Composite Stock Price
Index (the "S&P 500 Index"). Unlike the Market Neutral Fund, the adviser does
not seek to minimize the effects of movements in the general equity markets, but
rather, to use futures and other instruments in an attempt to take advantage of
market movements. The Fund seeks to achieve its objective by investing in
Institutional Shares of the Market Neutral Fund while simultaneously utilizing
S&P 500 Index futures, options on S&P 500 Index futures and equity swap
contracts to gain exposure to the equity market as measured by the S&P 500
Index. See "Investment Objectives and Policies -- Market Neutral Fund" and "Risk
Factors -- S&P 500 Index Futures and Related Options" and "-- Equity Swap
Contracts" below. The Long-Short Equity Fund has obtained from the Securities
and Exchange Commission ("SEC") an exemptive order allowing it to invest without
limit in the Market Neutral Fund. Under normal market conditions, the Long-Short
Equity Fund will invest at least 65% of the value of its total assets in U.S.
equity securities (which include shares of the Market Neutral Fund). Once the
Fund has indirectly acquired a long and short portfolio indirectly through the
purchase of Institutional Shares of the Market Neutral Fund, the Adviser will
purchase S&P 500 Index futures, options on S&P 500 Index futures and equity swap
contracts in an amount approximately equal to the net asset value of the
Long-Short Equity Fund in order to gain full net exposure to the U.S. equity
market as measured by the S&P 500 Index. The Long-Short Equity Fund may assume
higher risks of adverse changes in the general equity markets through the use of
futures, options on futures and equity swap contracts than if the Fund invested
directly in securities listed on the S&P 500 Index.

     The S&P 500 Index is an unmanaged index composed of 500 common stocks, most
of which are listed on the New York Stock Exchange. The S&P 500 Index assigns
relative values to the stocks included in the index, weighted according to each
stock's total market value relative to the total market value of the other
stocks included in such index.

     To meet margin requirements, redemptions or pending investments, the
Long-Short Equity Fund may also temporarily hold a portion of its assets 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 S&P or Prime
2 or "Aa" by 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.

                                       -6-

<PAGE>

     The Long-Short Equity Fund's long and short positions, taken indirectly
through investment in the Market Neutral Fund, may involve (without limit)
equity securities of foreign issuers that are traded in the markets of the
United States as ADRs, which are described above under "Market Neutral Fund."
See "Risk Factors -- Foreign Investments." The Fund may also invest up to 20% of
its total assets directly in stocks of foreign issuers.

     In a typical stock mutual fund the investment adviser attempts to earn an
excess return (return above market return) or "alpha" by identifying and
purchasing undervalued stocks. However, there is another "alpha" possibility --
identifying and selling short overvalued stocks. The term "double alpha" refers
to these two potential sources of alpha: one from correctly identifying
undervalued stocks and one from correctly identifying overvalued stocks. The
market neutral strategy employed directly by the Market Neutral Fund and
indirectly by the Long-Short Equity Fund (through investment in shares of the
Market Neutral Fund) seeks to capture both alphas. The Long-Short Equity Fund
also seeks to replicate the market (and incurs additional cost and expense risk)
by investing in S&P 500 Index instruments.

     While the Adviser intends to fully invest each Fund's assets at all times
in accordance with the above-mentioned policies, each Fund reserves the right to
hold up to 100% of its respective assets, as a temporary defensive measure, in
cash and eligible U.S. dollar-denominated money market instruments. The Adviser
would determine when market conditions warrant temporary defensive measures.

     Each Fund's investment objective and the policies described above may be
changed by RBB's Board of Directors without the affirmative vote of the holders
of a majority of the outstanding Shares representing interests in such Fund.


INVESTMENT LIMITATIONS

     The Funds may not change the following investment limitations without
shareholder approval. (A complete list of the investment limitations that cannot
be changed without such a vote of the shareholders is contained in the Statement
of Additional Information under "Investment Objectives and Policies.")

     Neither Fund may borrow money or issue senior securities, except that each
Fund may borrow from banks and enter into reverse repurchase agreements and
dollar rolls for temporary purposes in amounts up to one-third of the value of
its total assets at the time of such borrowing; or mortgage, pledge or
hypothecate any assets, except in connection with any such borrowing and then in
amounts not in excess of one-third of the value of such Fund's total assets at
the time of such borrowing. Neither Fund will purchase securities while its
aggregate borrowings (including reverse repurchase agreements, dollar rolls and
borrowings from banks) are in excess of 5% of its total assets. Securities held
in escrow or separate accounts in connection with the Funds' investment
practices are not considered to be borrowings or deemed to be pledged for
purposes of this limitation.

                                       -7-

<PAGE>

     If a percentage restriction under one of the Funds' investment policies or
restrictions or the use of assets is adhered to at the time a transaction is
effected, later changes in percentage resulting from changing values will not be
considered a violation (except with respect to any restrictions that may apply
to the holding of illiquid securities or borrowings or senior securities issued
by the Fund).


RISK FACTORS

     SPECIAL RISKS AND OTHER CONSIDERATIONS RELATING TO THE LONG-SHORT EQUITY
FUND. Because the Long-Short Equity Fund may invest up to 100% of its assets in
shares of the Market Neutral Fund and other investment companies (such as money
market funds for cash-management purposes), the expenses associated with
investing in the Long-Short Equity Fund may be higher than those associated with
a portfolio that directly invests in securities that are not themselves
investment companies. An investor in the Long-Short Equity Fund will incur a
proportionate share of the expenses of that Fund, as well as a proportionate
share of expenses of the Market Neutral Fund and unaffiliated investment
companies in which the Long-Short Equity Fund invests (collectively, the
"Underlying Funds"). Investors in the Long-Short Equity Fund should realize that
they can invest directly in the Underlying Funds.

     The Long-Short Equity Fund will seek to avoid duplicative fees and the
layering of expenses to the extent practicable. The Fund will generally invest
in the Institutional Shares of the Market Neutral Fund, which are offered to the
Fund with no sales or redemption charges or distribution fees; however, the Fund
may invest in shares of other investment companies (such as money market funds
for cash management purposes) which may be offered with sales or redemption
charges or distribution fees. The management fees payable to the Adviser under
the Long-Short Equity Fund's advisory contract are for services that are in
addition to, rather than duplicative of, services provided under the advisory
contract for any Underlying Funds in which the Long-Short Equity Fund invests.
The administration, custody and transfer agency fees borne by the Long-Short
Equity Fund are also for services that are in addition to, and not duplicative
of, services provided to the Underlying Funds. In addition, the distribution
fees relating to Investor Shares of the Long-Short Equity Fund, when aggregated
with any distribution or shareholder servicing fees paid by the Fund in
connection with its investments in underlying funds will not exceed applicable
NASD limits.

     As a fund that may invest a substantial portion of its assets in other
investment companies, the Long-Short Equity Fund will be subject to certain
investment risks. The Fund's performance is directly related to the performance
of the Market Neutral Fund and the futures, options on futures and equity swap
contracts in which it invests. Accordingly, the ability of the Long-Short Equity
Fund to meet its investment objective is directly related to the skill of the
Adviser and the ability of the Underlying Funds to meet their objectives. There
can be no assurance that the investment objective of any Underlying Fund will be
achieved.

     From time to time, the Market Neutral Fund may experience relatively large
purchases or redemptions due to asset allocation decisions made by the Adviser
in managing the Long-Short Equity Fund and other client accounts. These
transactions may have a material effect on the 

                                       -8-

<PAGE>

Market Neutral Fund. While it is impossible to predict the overall impact
of these transactions over time, there could be adverse effects on the Market
Neutral Fund to the extent that it may be required to sell securities at times
when it would not otherwise do so or receive cash that cannot be invested in an
expeditious manner. There may be tax consequences associated with purchases and
sales of securities, and such sales may also increase transaction costs. The
Adviser is committed to minimizing the impact of these transactions on the
Market Neutral Fund to the extent it is consistent with pursuing the Long-Short
Equity Fund's investment objective and will monitor the impact of the Long-Short
Equity Fund's asset allocation decisions on the Market Neutral Fund.

     INVESTMENT RISKS. The value of Fund shares may increase or decrease
depending on market, economic, political, regulatory and other conditions
affecting each Fund's portfolio. As of the date of this Prospectus, U.S. stock
markets were trading at historically high levels and there can be no guarantee
that such levels will continue. Investment in Shares of the Funds is more
volatile and risky than some other forms of investment. In addition, if the
Adviser takes long positions in stocks that decline or short positions in stocks
that increase in value, then the losses of the Market Neutral Fund and
Long-Short Equity Fund may exceed those of other stock mutual funds that hold
long positions only. These losses may be magnified in the Long-Short Equity Fund
through the unsuccessful use of futures, options on futures and equity swap
contracts.

     SHORT SALES. When the Adviser anticipates that a security is overvalued, it
may sell the security short by borrowing the same security from a broker or
other institution and selling the security. A Fund will incur a loss as a result
of a short sale if the price of the borrowed security increases between the date
of the short sale and the date on which the Fund replaces such security. A Fund
will realize a gain if there is a decline in price of the security between those
dates, which decline exceeds the costs of the borrowing the security and other
transaction costs. There can be no assurance that a Fund will be able to close
out a short position at any particular time or at an acceptable price. Although
a Fund's gain is limited to the amount at which it sold a security short, its
potential loss is unlimited since it is directly tied to the maximum attainable
price of the security less the price at which the security was sold. Until a
Fund replaces a borrowed security, it will maintain at all times cash, U.S.
Government securities, or other liquid securities in an amount which, when added
to any amount deposited with a broker as collateral will at least equal the
current market value of the security sold short. Depending on arrangements made
with brokers, a Fund may not receive any payments (including interest) on
collateral deposited with them. The Funds will not make a short sale if, after
giving effect to such sale, the market value of all securities sold short
exceeds 100% of the value of a Fund's net assets.

     S&P 500 INDEX FUTURES AND RELATED OPTIONS (LONG-SHORT EQUITY FUND ONLY). An
S&P 500 Index Future contract (an "Index Future") is a contract to buy or sell
an integral number of units of the S&P 500 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 S&P 500 Index. Entering into a contract to buy units is commonly referred
to as buying or purchasing a contract or holding a long position in the S&P 500
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. The
Long-Short Equity 

                                       -9-

<PAGE>

Fund will realize a loss if the value of the S&P 500 Index declines between the 
time the Fund purchases an Index Future or an option transaction in which the 
Fund has assumed a long position and may realize a gain if the value of the S&P 
500 Index rises between such dates.

     The Long-Short Equity Fund may close out a futures contract purchase by
entering into a futures contract sale. This Sale will terminate the Fund's
position in the futures contract. Positions in Index Futures may be closed out
by the 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 Future 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 event, it may not be possible for the Fund
to close its futures contract purchase, and, in the event of adverse price
movements, the Fund would continue to be required to make daily cash payments of
variation margin (payments to and from a broker made on a daily basis as the
price of the Index Future fluctuates). 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 securities
market. Increased participation by speculators in the futures market may also
cause price distortions.

     Further, when the Long-Short Equity 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 liquid securities in an amount which,
together with the initial margin deposit on the futures contract, is equal to
the current value of the futures contract.

     EQUITY SWAP CONTRACTS (LONG-SHORT EQUITY FUND ONLY). In an equity swap
contract, the counterparty generally agrees to pay the Long-Short Equity Fund
the amount, if any, by which the notional amount of the equity swap contract
would have increased in value had it been invested in the basket of stocks
comprising the S&P 500 Index, plus the dividends that would have been received
on those stocks. The Long-Short Equity Fund agrees to pay to the counterparty a
floating rate of interest (typically the London Inter Bank Offered Rate) on the
notional amount of the equity swap contract plus the amount, if any, by which
that notional amount would have decreased in value had it been invested in such
stocks. Therefore, the return to the Fund on any equity swap contract should be
the gain or loss on the notional amount plus dividends on the stocks comprising
the S&P 500 Index (as if the Fund had invested the notional amount in stocks
comprising the S&P 500 Index) less the interest paid by the Fund on the notional
amount. Therefore, the Fund will generally realize a loss if the value of the
S&P 500 Index declines and will generally realize a gain if the value of the S&P
500 Index rises. The Fund will enter into equity swap contracts only on a net
basis, I.E., where the two parties' obligations are netted out, with the Fund
paying or receiving, as the case may be, only the net amount of any payments. If
there is a default by the counterparty to an equity swap contract, the Fund will
be limited to contractual remedies pursuant to the agreements related to the
transaction.

     There is no assurance that the equity swap contract counterparties will be
able to meet their obligations or that, in the event of default, the Long-Short
Equity Fund will succeed in

                                       -10-

<PAGE>

pursuing contractual remedies. The Fund thus assumes the risk that it may be 
delayed in or prevented from obtaining payments owed to it pursuant to these 
contracts. The Adviser will closely monitor the credit of equity swap contract 
counterparties to seek to minimize this risk.

     The Long-Short Equity Fund will not enter into any equity swap contract
unless, at the time of entering into such transaction, the unsecured senior debt
of the counterparty is rated at least A by Moody's or S&P. In addition, the
staff of the SEC considers equity swap contracts to be illiquid securities.
Consequently, as long as the staff maintains this position, the Fund will not
invest in equity swap contracts if, as a result of the investment, the total
value of such investments together with that of all other illiquid securities
which the Fund owns would exceed 15% of the Fund's net assets.

     The net amount of the excess, if any, of the Long-Short Equity Fund's
obligations over its entitlement with respect to each equity swap contract will
be accrued on a daily basis, and an amount of cash, U.S. Government Securities
or other liquid securities having an aggregate market value at least equal to
the accrued excess will be maintained in a segregated account. The Fund does not
believe that the Fund's obligations under equity swap contracts are senior
securities within the meaning of the 1940 Act, so long as such a segregated
account is maintained, and accordingly, the Fund will not treat them as being
subject to its borrowing restrictions.

     FOREIGN INVESTMENTS. Investing in foreign companies may involve additional
risks and considerations which are not typically associated with investing in
U.S. companies. Since stocks of foreign companies are normally denominated in
foreign currencies, the Funds may be affected favorably or unfavorably by
changes in currency rates and in exchange control regulations, and may incur
costs in connection with conversions between various currencies.

     As non-U.S. companies are not generally subject to uniform accounting,
auditing and financial reporting standards and practices comparable to those
applicable to U.S. companies, comparable information may not be readily
available about certain foreign companies. Some securities of foreign companies
may be less liquid and more volatile than securities of comparable U.S.
companies. In addition, in certain foreign countries, there is the possibility
of expropriation or confiscatory taxation, political or social instability, or
diplomatic developments which could affect U.S. investments in those countries.

     GENERAL. Investment methods described in this Prospectus are among those
which the Funds have the power to utilize. Accordingly, reference to any
particular method or technique carries no implication that it will be utilized
or, if it is, that it will be successful.


                         ADDITIONAL INVESTMENT POLICIES

     This section describes certain additional investment policies that may be
employed by each Fund. Investment policies are described in more detail in the
Statement of Additional Information.

                                       -11-

<PAGE>

     TEMPORARY INVESTMENTS. For defensive purposes or during temporary periods
in which the Adviser believes changes in economic, financial or political
conditions make it advisable, each Fund may reduce its holdings in equity and
other securities and invest up to 100% of its assets in cash or certain
short-term (less than twelve months to maturity) and medium-term (not greater
than five years to maturity) interest-bearing instruments or deposits of United
States and foreign issuers. Such investments may include, but are not limited
to, commercial paper, certificates of deposit, variable or floating rate notes,
bankers' acceptances, time deposits, government securities and money market
deposit accounts. See Statement of Additional Information, "Common Investment
Policies -- Temporary Investments." To the extent permitted by their investment
objectives and policies, the Funds may hold cash or cash equivalents pending
investment.

     BORROWING. A Fund may borrow up to 33 1/3 percent of its total assets
without obtaining shareholder approval. The Adviser intends to borrow, or to
engage in reverse repurchase agreements, only for temporary or emergency
purposes. See Statement of Additional Information, "Common Investment Policies
- -- All Funds -- Reverse Repurchase Agreements" and "-- Borrowing."

     LENDING OF PORTFOLIO SECURITIES. Each Fund may also lend its portfolio
securities to financial institutions against collateral consisting of cash, U.S.
Government securities or irrevocable bank letters of credit, which are equal at
all times to at least 102% of the value of the securities loaned. Such loans
would involve risks of delay in receiving additional collateral in the event the
value of the collateral decreased below the value of the securities loaned or of
delay in recovering the securities loaned or even loss of rights in the
collateral should the borrower of the securities fail financially. However,
loans will be made only to borrowers deemed by the Adviser to be of good
standing and only when, in the Adviser's judgment, the income to be earned from
the loans justifies the attendant risks. Any loans of a Fund's securities will
be fully collateralized and marked to market daily. A Fund may not make loans in
excess of 331/3% of the value of its total assets (including the loan
collateral).

     RULE 144A SECURITIES. Rule 144A securities are securities which are
restricted as to resale to the general public, but which may be resold to
qualified institutional buyers. A Fund's investment in Rule 144A securities
could have the effect of increasing the level of illiquidity of the Fund during
any period that qualified institutional buyers were no longer interested in
purchasing these securities. For purposes of each Fund's 15% limitation on
purchase of illiquid securities as described below, Rule 144A securities will
not be considered to be illiquid if the Adviser has determined them to be liquid
pursuant to guidelines established by the Company's Board of Directors.

     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 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
the Funds the opportunity to earn a return on temporarily available cash.
Although the underlying security may 

                                       -12-

<PAGE>

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.

     ILLIQUID SECURITIES. 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 price at which a Fund has valued
such securities, so long as no more than 15% of a Fund's net assets would be
invested in such illiquid securities after giving effect to a purchase.
Investment in illiquid securities involves the risk that, because of the lack of
consistent market demand for such securities, a Fund may be forced to sell them
at a discount from the last offer price.

     INVESTMENT COMPANIES. The Market Neutral Fund may invest in securities
issued by unaffiliated investment companies to the extent permitted by the 1940
Act. As a shareholder of another investment company, the Fund would bear, along
with other shareholders, its pro rata portion of the other investment company's
expenses, including management fees. These expenses would be in addition to the
management fees and other expenses that the Fund bears directly in connection
with its own operations.

     The 1940 Act generally permits the Long-Short Equity Fund to invest without
limitation in other investment companies that are part of the same "group of
investment companies" (as defined in the 1940 Act), provided certain limitations
are observed. Generally, these limitations require that the Fund (a) limit its
investments to shares of other investment companies that are part of the same
"group of investment companies," Government securities and short-term paper; (b)
observe certain limitations on the amount of sales loads and
distribution-related fees that are borne directly and indirectly by its
shareholders; and (c) not invest in other investment companies structured as
"funds of funds." An exemptive order issued by the SEC permits the Long-Short
Equity Fund to hold investments other than those identified above, including
domestic and foreign equity and fixed income securities, S&P 500 Index futures
and related options, equity swap contracts and shares of investment companies
(for cash management purposes).

     PORTFOLIO TURNOVER. The Adviser will effect portfolio transactions in each
Fund without regard to holding periods if, in its judgment, such transactions
are advisable in light of general market, economic or financial conditions. The
annual portfolio turnover rate for each of the Market Neutral Fund and the
Long-Short Equity Fund is not expected to exceed 200%. Portfolio turnover may
vary greatly from year to year as well as within a particular year. High
portfolio turnover rates (100% or more) will generally result in higher
transaction costs to a Fund and may result in the realization of short-term
capital gains that are taxable to shareholders as ordinary income. The amount of
portfolio activity will not be a limiting factor when making portfolio
decisions. See the Statement of Additional Information, "Portfolio Transactions"
and "Taxes."

                                       -13-

<PAGE>

     AMERICAN DEPOSITORY RECEIPTS. Each Fund may invest in ADRs. ADRs are
typically issued by a U.S. bank or trust evidencing ownership of the underlying
foreign securities. Generally, ADRs, in registered form, are designed for use in
U.S. securities markets. ADRs may be listed on a national securities exchange or
may be traded in the over-the-counter market. ADRs traded in the
over-the-counter market which do not have an active or substantial secondary
market will be considered illiquid and therefore will be subject to the Funds'
respective limitations with respect to such securities. ADRs may be denominated
in U.S. dollars although the underlying securities may be denominated in a
foreign currency. Investments in ADRs involve risks similar to those
accompanying direct investments in foreign securities. Certain of these risks
are described above under "Foreign Investments."

         Year 2000. As with other mutual funds, financial and business
organizations and individuals around the world, the Funds could be adversely
affected if the computer systems used by the Adviser and the Funds' other
service providers do not properly process and calculate date-related information
and data from and after January 1, 2000. This possibility is commonly known as
the Year 2000 or "Y2K" problem. The Adviser is taking steps to address the Y2K
problem with respect to the computer systems that it uses and to obtain
assurances that comparable steps are being taken by the Funds' other major
service providers. At this time, however, there can be no assurance that these
steps will be sufficient to avoid any adverse impact on the Funds. The Y2K
problem could have a negative impact on the issuers of securities in which the
Funds invest, which could hurt the Funds' investment returns.

         The Statement of Additional Information contains additional investment
policies and strategies of the Funds.

MANAGEMENT

BOARD OF DIRECTORS

         The business and affairs of RBB and the Fund are managed under the
direction of RBB's Board of Directors.

INVESTMENT ADVISER

         Boston Partners Asset Management, L.P., located at 28 State Street,
21st Floor, Boston, Massachusetts 02109, serves as the Fund's investment
adviser. The Adviser provides investment management and investment advisory
services to investment companies and other institutional accounts that had
aggregate total assets under management as of      , 1999 in excess of $     
billion. The adviser is organized as a Delaware limited partnership whose sole 
general partner is Boston Partners, Inc., a Delaware corporation.

         Subject to the supervision and direction of the Company's Board of
Directors, the Adviser manages each Fund's portfolio in accordance with that
Fund's investment objective and policies, makes investment decisions for the
Fund, places orders to purchase and sell securities, and employs professional
portfolio managers and securities analysts who provide research 

                                       -14-

<PAGE>

services to the Fund. For its services to the Funds, the Adviser is paid a 
monthly advisory fee computed at an annual rate of 2.25% and 0.10% of the 
Market Neutral Fund's and Long-Short Equity Fund's respective average daily net 
assets. The Adviser has notified RBB, however, that it intends to waive advisory
fees in excess of 1.85% and 0.00% during the current fiscal year with respect to
the Market Neutral Fund and the Long-Short Equity Fund, respectively.

PORTFOLIO MANAGEMENT

     The day-to-day portfolio management of each Fund is the responsibility of
Edmund D. Kellogg, subject to the supervision of Harry J. Rosenbluth. Both Mr.
Kellogg and Mr. Rosenbluth are portfolio managers employed by the Adviser.
Previously, Mr. Kellogg was a portfolio manager/analyst for a similar limited
partnership private investment fund and a separate account of the Adviser.
Before joining the Adviser in 1996, Mr. Kellogg was employed by The Keystone
Group since 1991, where he was a portfolio manager and analyst managing
institutional separate accounts. Mr. Kellogg has over 21 years of investment
experience and is a Chartered Financial Analyst. Mr. Rosenbluth oversees other
institutional accounts of the Adviser and manages a $2.2 billion
all-capitalization value equity institutional separate account product. Prior to
joining the Adviser in 1995, Mr. Rosenbluth was employed by The Boston Company
Asset Management since 1981 as a senior portfolio manager. Mr. Rosenbluth has
over 17 years of investment experience and is a Chartered Financial Analyst.

ADMINISTRATOR

         PFPC Inc. ("PFPC") serves as administrator to the Funds and generally
assists each Fund in all aspects of its administration and operations, including
matters relating to the maintenance of financial records and accounting. For its
services, PFPC receives a fee calculated at an annual rate of .125% of the
Fund's average daily net assets, with a minimum annual fee of $75,000 payable
monthly on a pro rata basis. 

ADMINISTRATIVE SERVICES AGENT

         Provident Distributors, Inc. ("PDI") provides certain administrative
services to each Fund's Institutional Shares not otherwise provided by PFPC.
PDI's principal business address is Four Falls Corporate Center, West
Conshohocken, Pennsylvania 19428. PDI furnishes certain internal quasi-legal,
executive and administrative services to the Funds, acts as a liaison between
the Funds and their various service providers and coordinates and assists in the
preparation of reports prepared on behalf of the Funds. For its services, PDI is
entitled to a monthly fee calculated at the annual rate of .15% of the
respective average daily net assets of each Fund's Institutional Class. PDI is
currently waiving fees in excess of .03% of the average daily net assets of each
Fund's Institutional Class.

TRANSFER AGENT, DIVIDEND DISBURSING AGENT, AND CUSTODIAN

         PFPC Trust Company, an indirect wholly-owned subsidiary of PNC Bank
Corp., serves as the Funds' custodian pursuant to an agreement between RBB and
PNC Bank, N.A. ("PNC 

                                       -15-

<PAGE>

Bank"), as assigned to PFPC Trust Company. PNC Bank continues to provide certain
services to PFPC Trust Company. PFPC serves as the Fund's transfer agent and 
dividend disbursing agent. The principal offices of PFPC are located at 400 
Bellevue Parkway, Wilmington, Delaware 19809. PFPC may enter into shareholders 
servicing agreements with registered broker-dealers who have entered into dealer
agreements with the Distributor ("Authorized Dealers")for the provision of 
certain shareholder support services to customers of such Authorized Dealers who
are shareholders of the Funds. The services provided and the fees payable by the
Funds for these services are described in the Statement of Additional 
Information under "Investment Advisory, Distribution and Servicing 
Arrangements."

DISTRIBUTOR

         PDI acts as distributor for the Shares pursuant to a distribution
agreement (the "Distribution Agreement") with RBB on behalf of the Shares.

EXPENSES

         The expenses of each Fund are deducted from its total income before
dividends are paid. Any general expenses of RBB that are not readily
identifiable as belonging to a particular investment portfolio of RBB will be
allocated among all investment portfolios of RBB based upon the relative net
assets of the investment portfolios. The Institutional Class of each Fund pays
its own administrative services fees, and may pay a different share of expenses
than other classes (excluding advisory and custodial fees), if those expenses
are actually incurred in a different amount by the Institutional Class or if it
receives different services.

         Dividends declared on securities which the Market Neutral Fund has sold
short ("short-sale dividends") generally reduce the market value of the
securities by the amount of the dividend declared--thus increasing the Fund's
unrealized gain or reducing the Fund's unrealized loss on the securities sold
short. For accounting purposes, short-sale dividends are treated as an expense,
and increase the Fund's total expense ratio, although no cash is received or
paid by the Fund. This can indirectly affect the Long-Short Equity Fund to the
extent that it is invested in the Market Neutral Fund.

         The Adviser may assume expenses of each Fund from time to time. To the
extent any service providers assume expenses of the Funds, such assumption of
expenses will have the effect of lowering the Funds' overall expense ratio and
increasing its yield to investors.


HOW TO PURCHASE SHARES

GENERAL

         Shares representing an interest in the Funds are offered continuously
for sale by the Distributor. Shares may be purchased initially by completing the
application included in this Prospectus and forwarding the application to the
Funds' transfer agent, PFPC. Purchases of Shares may be effected by wire to an
account to be specified by PFPC or by mailing a check or 

                                       -16-

<PAGE>

Federal Reserve Draft, payable to the order of "The Boston Partners Market 
Neutral Fund" or "The Boston Partners Long-Short Equity Fund," as appropriate, 
c/o PFPC Inc., P.O. Box 8852, Wilmington, Delaware 19899-8852. The name of the 
Fund, either Boston Partners Market Neutral Fund or Boston Partners Long-Short 
Equity Fund, must also appear on the check or Federal Reserve Draft. 
Shareholders may not purchase shares of either the Boston Partners Market 
Neutral Fund or the Boston Partners Long-Short Equity Fund with a check issued 
by a third party and endorsed over to either such Fund. Federal Reserve Drafts 
are available at national banks or any state bank which is a member of the 
Federal Reserve System. Initial investments in the Fund must be at least 
$100,000 and subsequent investments must be at least $5,000. For purposes of 
meeting the minimum initial purchase, clients which are part of endowments, 
foundations or other related groups may be aggregated. Each Fund reserves the 
right to suspend the offering of its Shares for a period of time or to reject 
any purchase order.

         Shares may be purchased on any Business Day. A "Business Day" is any
day that the New York Stock Exchange, Inc. (the "NYSE") is open for business.
Currently, the NYSE is closed on weekends and New Year's Day, Dr. Martin Luther
King, Jr. Day, Presidents' Day, Good Friday, Memorial Day, Independence Day,
Labor Day, Thanksgiving Day and Christmas Day and on the preceding Friday or
subsequent Monday when one of these holidays falls on a Saturday or Sunday.

         The price paid for Shares purchased is based on the net asset value
next computed after a purchase order is received in good order by a Fund or its
agents. Orders received by a Fund or its agents prior to the close of the NYSE
(generally 4:00 p.m. Eastern Time) are priced at that Business Day's net asset
value. Orders received by a Fund or its agents after its close of the NYSE are
priced at the net asset value next determined on the following Business Day. In
those cases where an investor pays for Shares by check, the purchase will be
effected at the net asset value next determined after the Fund or its agents
receives the order and the completed application.

         Shares may be purchased and subsequent investments may be made by
principals and employees of the Adviser, and by their spouses and children,
either directly or through their individual retirement accounts, and by any
pension and profit-sharing plan of the Adviser, without being subject to the
minimum investment limitations.

         An investor may also purchase Shares by having his bank or his broker
wire Federal Funds to PFPC. An investor's bank or broker may impose a charge for
this service. The Funds do not currently impose a service charge for effecting
wire transfers but reserve the right to do so in the future. In order to ensure
prompt receipt of an investor's Federal Funds wire for an initial investment, it
is important that an investor follows these steps:

         A. Telephone the Funds' transfer agent, PFPC, toll-free (888) 261-4073,
and provide PFPC with your name, address, telephone number, Social Security or
Tax Identification Number, the Fund selected, the amount being wired, and by
which bank. PFPC will then provide an investor with a Fund account number.
Investors with existing accounts should also notify PFPC prior to wiring funds.

                                       -17-

<PAGE>

         B. Instruct your bank or broker to wire the specified amount, together
with your assigned account number, to PFPC's account with PFPC Trust Company:

              PFPC Trust Company
              Philadelphia, PA 19103
              ABA NUMBER: 0310-0005-3
              CREDITING ACCOUNT NUMBER: 86-1108-2507
              FROM: (name of investor)
              ACCOUNT NUMBER: (Investor's account number with the Fund)
              FOR PURCHASE OF: (name of the Fund)
              AMOUNT: (amount to be invested)

         C. Fully complete and sign the application and mail it to the address
shown thereon. PFPC will not process purchases until it receives a fully
completed and signed application.

         For subsequent investments, an investor should follow steps A and B
above.

AUTOMATIC INVESTING

         Additional investments in Shares may be made automatically by
authorizing the Funds' transfer agent to withdraw funds from your bank account.
Investors desiring to participate in the automatic investing program should call
the Funds' transfer agent, PFPC, at (888) 261-4073 to obtain the appropriate
forms.


HOW TO REDEEM AND EXCHANGE SHARES

REDEMPTION BY MAIL

         Shareholders may redeem for cash some or all of their Shares of a Fund
at any time. To do so, a written request in proper form must be sent directly to
Boston Partners Market Neutral Fund or Boston Partners Long-Short Equity Fund,
as appropriate, c/o PFPC Inc., P.O. Box 8852, Wilmington, Delaware 19899-8852.
There is no charge for a redemption, unless the Shareholder has held his or her
Shares for less than one year, upon which a fee equal to 1% of the net asset
value of the Shares redeemed at the time of redemption will be imposed.

         A request for redemption must be signed by all persons in whose names
the Shares are registered. Signatures must conform exactly to the account
registration. If the proceeds of the redemption would exceed $10,000, or if the
proceeds are not to be paid to the record owner at the record address, or if the
shareholder is a corporation, partnership, trust or fiduciary, signature(s) must
be guaranteed according to the procedures described below under "Exchange
Privilege."

         Generally, a properly signed written request with any required
signature guarantee is all that is required for a redemption. In some cases,
however, other documents may be necessary. In the case of shareholders holding
share certificates, the certificates for the shares being redeemed must
accompany the redemption request. Additional documentary evidence of authority
is also 

                                       -18-

<PAGE>

required by the Funds' transfer agent in the event redemption is requested by a 
corporation, partnership, trust, fiduciary, executor or administrator.

TRANSACTION FEE IMPOSED ON CERTAIN REDEMPTIONS

         Each Fund requires the payment of a transaction fee on redemptions of
Shares of such Fund held for less than one year equal to 1.00% of the net asset
value of such Shares redeemed at the time of redemption. This additional
transaction fee is paid to the particular Fund, not to the adviser, distributor
or transfer agent. It is not a sales charge or a contingent deferred sales
charge. The fee does not apply to redeemed Shares that were purchased through
reinvested dividends or capital gain distributions. The purpose of the
additional transaction fee is to indirectly allocate transaction costs
associated with redemptions to those investors making redemptions after holding
their shares for a short period, thus protecting existing shareholders. These
costs include: (1) brokerage costs; (2) market impact costs -- i.e., the
decrease in market prices which may result when a Fund sells certain securities
in order to raise cash to meet the redemption request; (3) the realization of
capital gains by the other shareholders in a Fund; and (4) the effect of the
"bid-ask" spread in the over-the-counter market. The 1.00% amount represents the
Funds' estimate of the brokerage and other transaction costs which may be
incurred by a Fund in disposing of stocks in which such Fund may invest. Without
the additional transaction fee, each Fund would generally be selling its shares
at a price less than the cost to the Fund of acquiring the portfolio securities
necessary to maintain its investment characteristics, resulting in reduced
investment performance for all shareholders in the Fund. With the additional
transaction fee, the transaction costs of selling additional stocks are not
borne by all existing shareholders, but the source of funds for these costs is
the transaction fee paid by those investors making redemptions.

INVOLUNTARY REDEMPTION

         Each Fund reserves the right to redeem a shareholder's account at any
time the net asset value of the account falls below $500 as the result of a
redemption or an exchange request. Shareholders will be notified in writing that
the value of their account is less than $500 and will be allowed 30 days to make
additional investments before the redemption is processed. In such cases,
neither Fund will impose the 1% transaction fee.

PAYMENT OF REDEMPTION PROCEEDS

         With the exception of redemptions to which the 1.00% transaction fee
applies, the redemption price is the net asset value per share next determined
after the request for redemption is received in proper form by a Fund or its
agents. For redemptions to which the additional transaction fee applies, the
redemption price is the net asset value per share next determined after the
request for redemption is received in proper form by a Fund or its agents, less
an amount equal to 1.00% of the net asset value of such Shares redeemed that the
shareholder has held for less than one year. Payment for Shares redeemed is made
by check mailed within seven days after acceptance by the Fund or its agents of
the request and any other necessary documents in proper order. Such payment may
be postponed or the right of redemption suspended as provided by the 1940 Act.
If the Shares to be redeemed have been recently purchased by check, the Funds'

                                       -19-

<PAGE>

transfer agent may delay mailing a redemption check, which may be a period of up
to 15 days, pending a determination that the check has cleared. The Funds have
elected to be governed by Rule 18f-1 under the 1940 Act so that a Fund is
obligated to redeem its shares solely in cash up to the lesser of $250,000 or 1%
of its net asset value during any 90-day period for any one shareholder of a
portfolio.

EXCHANGE PRIVILEGE

         The exchange privilege is available to shareholders residing in any
state in which the Shares being acquired may be legally sold. A shareholder may
exchange Shares of either Fund for Institutional Shares of another Boston
Partners Fund up to six (6) times per year. Such exchange will be effected at
the net asset value of the exchanged Fund and the net asset value of the Fund
exchanged for next determined after PFPC's receipt of a request for an exchange.
An exchange of shares held for less than one-year (with the exception of shares
purchased through dividend reinvestment or the reinvestment of capital gains)
will be subject to the 1.00% transaction fee. An exchange of Shares will be
treated as a sale for federal income tax purposes. See "Taxes." A shareholder
wishing to make an exchange may do so by sending a written request to PFPC.

         If the exchanging shareholder does not currently own Institutional
Shares of any other Boston Partners Fund of RBB, a new account will be
established with the same registration, dividend and capital gain options as the
account from which shares are exchanged, unless otherwise specified in writing
by the shareholder with all signatures guaranteed. A signature guarantee may be
obtained from a domestic bank or trust company, broker, dealer, clearing agency
or savings association who are participants in a medallion program recognized by
the Securities Transfer Association. The three recognized medallion programs are
Securities Transfer Agents Medallion Program (STAMP), Stock Exchanges Medallion
Program (SEMP) and New York Stock Exchange, Inc. Medallion Signature Program
(MSP). Signature guarantees that are not part of these programs will not be
accepted. The exchange privilege may be modified or terminated at any time, or
from time to time, by RBB, upon 60 days' written notice to shareholders.

         If an exchange is to a new account in an RBB Fund advised by Boston
Partners, the dollar value of Institutional Shares acquired must equal or exceed
that Fund's minimum for a new account; if to an existing account, the dollar
value must equal or exceed that Fund's minimum for subsequent investments. If
any amount remains in the Fund from which the exchange is being made, such
amount must not drop below the minimum account value required by the Fund.

EXCHANGE PRIVILEGE LIMITATIONS

         The Funds' exchange privilege is not intended to afford shareholders a
way to speculate on short-term movements in the market. Accordingly, in order to
prevent excessive use of the exchange privilege that may potentially disrupt the
management of a Fund and increase transaction costs, each Fund has established a
policy of limiting excessive exchange activity.

                                       -20-

<PAGE>

         Shareholders are entitled to six (6) exchange redemptions (at least 30
days apart) from a Fund during any twelve-month period. Notwithstanding these
limitations, each Fund reserves the right to reject any purchase request
(including exchange purchases from an RBB Fund advised by Boston Partners) that
is deemed to be disruptive to efficient portfolio management.

TELEPHONE TRANSACTIONS

         In order to request a telephone exchange or redemption, a shareholder
must have completed and returned an account application containing a telephone
election. To add a telephone option to an existing account that previously did
not provide for this option, a Telephone Authorization Form must be filed with
PFPC. This form is available from PFPC. Once this election has been made, the
shareholder may simply contact PFPC by telephone to request the exchange or
redemption by calling (888) 261-4073. Neither RBB, the Funds, the Distributor,
the Administrator nor any other Fund agent will be liable for any loss,
liability, cost or expense for following RBB's telephone transaction procedures
described below or for following instructions communicated by telephone that
they reasonably believe to be genuine.

         RBB's telephone transaction procedures include the following measures:
(1) requiring the appropriate telephone transaction privilege forms; (2)
requiring the caller to provide the names of the account owners, the account
social security number and name of the Fund, all of which must match RBB's
records; (3) requiring RBB's service representative to complete a telephone
transaction form, listing all of the above caller identification information;
(4) permitting exchanges only if the two account registrations are identical;
(5) requiring that redemption proceeds be sent only by check to the account
owners of record at the address of record, or by wire only to the owners of
record at the bank account of record; (6) sending a written confirmation for
each telephone transaction to the owners of record at the address of record
within five (5) Business Days of the call; and (7) maintaining tapes of
telephone transactions for six months, if a Fund elects to record shareholder
telephone transactions. For accounts held of record by broker-dealers (other
than the Distributor), financial institutions, securities dealers, financial
planners and other industry professionals, additional documentation or
information regarding the scope of a caller's authority is required. Finally,
for telephone transactions in accounts held jointly, additional information
regarding other account holders is required. Telephone transactions will not be
permitted in connection with IRA or other retirement plan accounts or by an
attorney-in-fact under a power of attorney.


NET ASSET VALUE

         The net asset value for each class of a Fund is calculated by adding
the value of the proportionate interest of the class in a Fund's cash,
securities and other assets, deducting actual and accrued liabilities of the
class and dividing the result by the number of outstanding shares of the class.
The net asset value of each class is calculated independently of each other
class. The net asset values are calculated as of the close of regular trading on
the NYSE, generally 4:00 p.m. Eastern Time on each Business Day.

                                       -21-

<PAGE>

     Valuation of securities held by a Fund is as follows: securities traded on
a national securities exchange or on the NASDAQ National Market System are
valued at the last reported sale price that day; securities traded on a national
securities exchange or on the NASDAQ National Market System for which there were
no sales on that day and securities traded on other over-the-counter markets for
which market quotations are readily available are valued at the mean of the bid
and asked prices; and securities for which market quotations are not readily
available are valued at fair market value as determined in good faith by or
under the direction of RBB's Board of Directors. The amortized cost method of
valuation may also be used with respect to debt obligations with sixty days or
less remaining to maturity.

         With the approval of RBB's Board of Directors, a Fund may use a pricing
service, bank or broker-dealer experienced in such matters to value such Fund's
securities. A more detailed discussion of net asset value and security valuation
is contained in the Statement of Additional Information.


DIVIDENDS AND DISTRIBUTIONS

         Each Fund will distribute substantially all of the net investment
income and net realized capital gains, if any, of the Fund to the Fund's
shareholders. All distributions are reinvested in the form of additional full
and fractional Shares unless a shareholder elects otherwise.

         Each Fund will declare and pay dividends from net investment income
annually. Net realized capital gains (including net short-term capital gains),
if any, will be distributed at least annually.


TAXES

         The following discussion is only a brief summary of some of the
important tax considerations generally affecting the Funds and their
shareholders and is not intended as a substitute for careful tax planning.
Accordingly, investors in each Fund should consult their tax advisers with
specific reference to their own tax situation.

         Each Fund will elect to be taxed as a regulated investment company for
federal income tax purposes. So long as each Fund qualifies for this tax
treatment, it will be relieved of federal income tax on amounts distributed to
shareholders. Each Fund intends to make sufficient actual or deemed
distributions prior to the end of each calendar year to avoid liability for
federal income or excise tax.

         Fund distributions to shareholders, unless otherwise exempt, will be
taxable (except distributions that are treated for federal income tax purposes
as a return of capital) regardless of whether the distributions are received in
cash or reinvested in additional shares. Distributions out of the "net capital
gain" (the excess of net long-term capital gain over net short-term capital
loss), if any, of a Fund will be taxed to shareholders as long-term capital gain
regardless of the 

                                       -22-

<PAGE>

length of time a shareholder has held his Shares. All other taxable 
distributions are taxed to shareholders as ordinary income.

         RBB will send written notices to shareholders annually regarding the
tax status of distributions made by the Fund. Dividends declared in October,
November or December of any year payable to shareholders of record on a
specified date in such a month will be deemed to have been received by the
shareholders on December 31, if such dividends are paid during January of the
following year.

         Investors should be careful to consider the tax implications of buying
shares just prior to a distribution. The price of shares purchased at that time
will reflect the amount of the forthcoming distribution. Those investors
purchasing shares just prior to a distribution will nevertheless be taxed on the
entire amount of the distribution received, although the distribution is, in
effect, a return of capital.

         Shareholders who sell or redeem shares, or exchange shares representing
interests in one Fund for shares representing interests in another Fund, will
generally recognize capital gain or loss for federal income tax purposes. The
gain or loss will be long-term capital gain or loss if the shares have been held
for more than twelve months, and short-term otherwise, except that a loss on
shares held six months or less will be treated as long-term capital loss to the
extent of any capital gains distribution received on the shares.

         Shareholders who are nonresident alien individuals, foreign trusts or
estates, foreign corporations or foreign partnerships are generally subject to
different U.S. Federal income tax treatment from that described above. In
particular, such shareholders will generally not be subject to U.S. federal
income tax on capital gains on or with respect to their shares, and other
distributions to them will be subject to 30% withholding tax unless such tax is
reduced or eliminated under an applicable tax treaty.


MULTI-CLASS STRUCTURE

         Each Fund offers one other class of shares, Investor Shares, which are
offered directly to individual investors pursuant to a separate prospectus.
Shares of each class represent equal pro rata interests in a Fund and accrue
dividends and calculate net asset value and performance quotations in the same
manner. The Funds will quote performance of the Investor Shares separately from
Institutional Shares. Because of different expenses paid by the Institutional
Shares, the total return on such shares can be expected, at any time, to be
different than the total return on Investor Shares. Information concerning other
classes may be obtained by calling the Funds at (800) 311-9783 or 9829.

                                       -23-

<PAGE>

DESCRIPTION OF SHARES

         RBB has authorized capital of thirty billion shares of Common Stock,
$.001 par value per share, of which ___ billion shares are currently classified
into __ different classes of Common Stock. See "Description of Shares" in the
Statement of Additional Information."

         THIS PROSPECTUS AND THE STATEMENT OF ADDITIONAL INFORMATION
INCORPORATED HEREIN RELATE PRIMARILY TO THE BOSTON PARTNERS MARKET NEUTRAL FUND
AND BOSTON PARTNERS LONG-SHORT EQUITY FUND AND DESCRIBE ONLY THE INVESTMENT
OBJECTIVES AND POLICIES, OPERATIONS, CONTRACTS AND OTHER MATTERS RELATING TO THE
BOSTON PARTNERS MARKET NEUTRAL FUND OR BOSTON PARTNERS LONG-SHORT EQUITY FUND.

         Each share that represents an interest in a Fund has an equal
proportionate interest in the assets belonging to that Fund with each other
share that represents an interest in the Fund, even where a share has a
different class designation than another share representing an interest in such
Fund. Shares of a Fund do not have preemptive or conversion rights. When issued
for payment as described in this Prospectus, Shares will be fully paid and
non-assessable.

         RBB currently does not intend to hold annual meetings of shareholders
except as required by the 1940 Act or other applicable law. The law under
certain circumstances provides shareholders with the right to call for a meeting
of shareholders to consider the removal of one or more directors. To the extent
required by law, RBB will assist in shareholder communication in such matters.

         Holders of Shares of a Fund will vote in the aggregate and not by class
on all matters, except where otherwise required by law. Further, shareholders of
all investment portfolios of RBB will vote in the aggregate and not by portfolio
except as otherwise required by law or when the Board of Directors determines
that the matter to be voted upon affects only the interests of the shareholders
of a particular investment portfolio. (See the Statement of Additional
Information under "Additional Information Concerning Fund Shares" for examples
when the 1940 Act requires voting by investment portfolio or by class.)
Shareholders of a Fund are entitled to one vote for each full share held
(irrespective of class or portfolio) and fractional votes for fractional shares
held. Voting rights are not cumulative and, accordingly, the holders of more
than 50% of the aggregate shares of Common Stock of the Company may elect all of
the directors.

         As of April 30, 1999, to the Fund's knowledge, no person held of record
or beneficially 25% or more of the outstanding shares of all classes of RBB.

                                       -24-

<PAGE>

OTHER INFORMATION

REPORTS AND INQUIRIES

         Shareholders will receive unaudited semi-annual reports describing each
Fund's investment operations and annual financial statements audited by
independent accountants. Shareholder inquiries should be addressed to PFPC Inc.,
the Funds' transfer agent, Bellevue Park Corporate Center, 400 Bellevue Parkway,
Wilmington, Delaware 19809, toll-free (888) 261-4073.

SHARE CERTIFICATES

         In the interest of economy and convenience, physical certificates
representing Shares in the Funds are not normally issued.

FUTURE PERFORMANCE INFORMATION

         From time to time, each Fund may advertise its performance, including
comparisons to other mutual funds with similar investment objectives and to
stock or other relevant indices. All such advertisements will show the average
annual total return over one, five and ten year periods or, if such periods have
not yet elapsed, shorter periods corresponding to the life of such Fund. Such
total return quotations will be computed by finding the compounded average
annual total return for each time period that would equate the assumed initial
investment of $1,000 to the ending redeemable value, net of fees, according to a
required standardized calculation. The standard calculation is required by the
SEC to provide consistency and comparability in investment company advertising.
Each Fund may also from time to time include in such advertising an aggregate
total return figure or a total return figure that is not calculated according to
the standardized formula in order to compare more accurately the Fund's
performance with other measures of investment return. For example, a Fund's
total return may be compared with data published by Lipper Analytical Services,
Inc., CDA Investment Technologies, Inc. or Weisenberger Investment Company
Service, or with the performance of the Salomon Smith Barney U.S. 1-Month
Treasury Bill Index(TM), with respect to the Market Neutral Fund, or the S&P
500, with respect to the Long-Short Equity Fund. Performance information may
also include evaluation of the Funds by nationally recognized ranking services
and information as reported in financial publications such as BUSINESS WEEK,
FORTUNE, INSTITUTIONAL INVESTOR, MONEY MAGAZINE, FORBES, BARRON'S, THE WALL
STREET JOURNAL, THE NEW YORK TIMES, or other national, regional or local
publications. All advertisements containing performance data will include a
legend disclosing that such performance data represents past performance and
that the investment return and principal value of an investment will fluctuate
so that an investor's Shares, when redeemed, may be worth more or less than
their original cost.

                                       -25-

<PAGE>

                      [THIS PAGE INTENTIONALLY LEFT BLANK]

                                       -26-

<PAGE>


NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR MAKE ANY
REPRESENTATIONS NOT CONTAINED IN THIS PROSPECTUS OR IN RBB'S STATEMENT OF
ADDITIONAL INFORMATION INCORPORATED HEREIN BY REFERENCE, IN CONNECTION WITH THE
OFFERING MADE BY THIS PROSPECTUS AND, IF GIVEN OR MADE, SUCH REPRESENTATIONS
MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY RBB OR ITS DISTRIBUTOR.
THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFERING BY RBB OR BY THE DISTRIBUTOR IN
ANY JURISDICTION IN WHICH SUCH OFFERING MAY NOT LAWFULLY BE MADE.

                   TABLE OF CONTENTS
                                                 PAGE

INTRODUCTION......................................  4
INVESTMENT OBJECTIVES AND POLICIES................  4
INVESTMENT LIMITATIONS............................  7
RISK FACTORS......................................  8
MANAGEMENT........................................  8
DISTRIBUTION OF SHARES............................ 10
HOW TO PURCHASE SHARES............................ 11
HOW TO REDEEM AND EXCHANGE SHARES................. 13
NET ASSET VALUE................................... 17
DIVIDENDS AND DISTRIBUTIONS....................... 17
TAXES    ......................................... 18
MULTI-CLASS STRUCTURE............................. 19
DESCRIPTION OF SHARES............................. 19
OTHER INFORMATION................................. 20


INVESTMENT ADVISER
Boston Partners Asset Management, L.P.
Boston, Massachusetts

CUSTODIAN
PFPC Trust Company
Wilmington, Delaware

TRANSFER AGENT AND ADMINISTRATOR
PFPC Inc.
Wilmington, Delaware

DISTRIBUTOR
Provident Distributors, Inc.
West Conshohocken, Pennsylvania

COUNSEL
Drinker Biddle & Reath LLP
Philadelphia, Pennsylvania

INDEPENDENT ACCOUNTANTS
PricewaterhouseCoopers LLP
Philadelphia, Pennsylvania


PROSPECTUS

                                       -27-

<PAGE>

June 1, 1999


                    BOSTON PARTNERS
                  MARKET NEUTRAL FUND

                    BOSTON PARTNERS
                LONG--SHORT EQUITY FUND

                (Institutional Shares)

bp

                                       -28-

<PAGE>


BOSTON PARTNERS ASSET
   MANAGEMENT, L.P.


BOSTON PARTNERS MARKET NEUTRAL FUND

bp

BOSTON PARTNERS LONG-SHORT EQUITY FUND
                (Institutional Shares)

                                      

                                      -29-

<PAGE>


<TABLE>
<CAPTION>
BOSTON PARTNERS ASSET MANAGEMENT, L.P.

ACCOUNT APPLICATION
PLEASE NOTE: Do not use this form to open a retirement plan account. For an IRA
application or help with this Application, please call 1-888-261-4073

<S>                 <C>
                    (Please check the appropriate box(es) below.)
1. ACCOUNT REGISTRATION       |_|  Individual    |_|  Joint Tenant    |_|  Other

                    Name               SOCIAL SECURITY NUMBER OR TAX ID # OF PRIMARY OWNER

                    NAME OF JOINT OWNER           JOINT OWNER SOCIAL SECURITY NUMBER OR TAX ID #

For joint accounts, the account registrants will be joint tenants with right of survivorship and not tenants in
                    common unless tenants in common or community property registrations are requested.

GIFT TO MINOR:      |_|  UNIFORM GIFTS/TRANSFER TO MINOR'S ACT

                    NAME OF ADULT CUSTODIAN (ONLY ONE PERMITTED)

                    NAME OF MINOR (ONLY ONE PERMITTED)

                    MINOR'S SOCIAL SECURITY NUMBER AND DATE OF BIRTH


CORPORATION,
PARTNERSHIP, TRUST
OR OTHER ENTITY:    NAME OF CORPORATION, PARTNERSHIP, OR OTHER                            NAME(S) OF TRUSTEE(S)


                    TAXPAYER IDENTIFICATION NUMBER


2. MAILING ADDRESS: STREET OR P.O. BOX AND/OR APARTMENT NUMBER

                    CITY                                                                  STATE             ZIP CODE

                    DAY PHONE NUMBER                                                      EVENING PHONE NUMBER


3. INVESTMENT INFORMATION:
                    Minimum initial investment of $100,000            Amount of investment $____________

                    Make the check payable to Boston Partners Market Neutral Fund or Boston Partners Long-Short Equity Fund 
                    (as appropriate).

                    Shareholders may not purchase shares of this Fund with a check issued by a third party and endorsed
                    over to the Fund.

DISTRIBUTION        NOTE:  Dividends and capital gains may be reinvested or paid by check. If no options are selected
OPTIONS:            below, both dividends and capital gains will be reinvested in additional Fund shares.

                    DIVIDENDS |_|    Pay by check |_|    Reinvest |_|     CAPITAL GAINS |_|    Pay by check |_|    Reinvest   |_|


4. TELEPHONE REDEMPTION:
                    To use this option, you must initial the appropriate line below.
                    I authorize the Transfer Agent to accept instructions from any persons to redeem or exchange shares in 
                    my account(s) by telephone in accordance with the procedures and conditions set forth in the Fund's 
                    current prospectus.

                                                                                Redeem shares, and send the proceeds to the
                           individual initial            joint initial          address of record.

</TABLE>
                                      -30-

<PAGE>

<TABLE>
<CAPTION>
<S>                 <C>

                                                                                Exchange shares for shares of The Boston
                           individual initial             joint initial         Partners Large Cap Value Fund, Boston Partners 
                                                                                Mid Cap Value Fund, Boston Partners Micro Cap Fund 
                                                                                or Boston Partners Bond Fund.

5.   AUTOMATIC INVESTMENT PLAN:
                    The Account Investment Plan which is available to shareholders of the Fund, makes possible regularly scheduled
                    purchases of Fund shares to allow dollar-cost averaging. The Fund's Transfer Agent can arrange for an amount of
                    money selected by you to be deducted from your checking account and used to purchase shares of the Fund.

                    Please debit $________ from my checking account (named below on or about the 20th of the month. Please attach an
                    unsigned, voided check.

                    |_| Monthly     |_| Every Alternate Month      |_| Quarterly     |_| Other

BANK OF RECORD:

                    BANK NAME                          STREET ADDRESS OR P.O. BOX


                    CITY STATE                         ZIP CODE


                    BANK ABA NUMBER                    BANK ACCOUNT NUMBER

6. SIGNATURES:      The undersigned warrants that I (we) have full authority and, if a natural person, I (we) am (are) of legal
                    age to purchase shares pursuant to this Account Application, and I (we) have received a current prospectus for
                    the Fund in which I (we) am (are) investing. Under the Interest and Dividend Tax Compliance Act of 1983, the
                    Fund is required to have the following certification:
                    Under penalties of perjury, I certify that:
                    (1) The number shown on this form is my correct taxpayer identification number (or I am waiting for a number to
                    be issued to), and (2) I am not subject to backup withholding because (a) I am exempt from backup withholding,
                    or (b) I have not been notified by the Internal Revenue Service that I am subject to 31% backup withholding as a
                    result of a failure to report all interest or dividends, or (c) the IRS has notified me that I am no longer
                    subject to backup withholding.

                    NOTE: YOU MUST CROSS OUT ITEM (2) ABOVE IF YOU HAVE BEEN NOTIFIED BY THE IRS THAT YOU ARE CURRENTLY SUBJECT TO
                    BACKUP WITHHOLDING BECAUSE YOU HAVE FAILED TO REPORT ALL INTEREST AND DIVIDENDS ON YOUR TAX RETURN. THE INTERNAL
                    REVENUE SERVICE DOES NOT REQUIRE YOUR CONSENT TO ANY PROVISION OF THIS DOCUMENT OTHER THAN THE CERTIFICATION
                    REQUIRED TO AUDIT BACKUP WITHHOLDING.


                    SIGNATURE OF APPLICANT                                                                DATE


                    PRINT NAME                                                                    TITLE (IF APPLICABLE)


                    SIGNATURE OF JOINT OWNER                                                              DATE


                    PRINT NAME                                                                    TITLE (IF APPLICABLE)


                    (If you are signing for a corporation, you must indicate corporate office or title. If you wish additional
                    signatories on the account, please include a corporate resolution. If signing as a fiduciary, you must indicate
                    capacity.)

                    MAIL COMPLETED ACCOUNT APPLICATION AND CHECK TO:     THE BOSTON PARTNERS MARKET NEUTRAL FUND
                                                                         THE BOSTON PARTNERS LONG-SHORT EQUITY FUND
                                                                         C/O PFPC INC.
                                                                         P.O. BOX 8852
                                                                         WILMINGTON, DE  19899-8852

</TABLE>

                                      -31-

<PAGE>

                       BOSTON PARTNERS MARKET NEUTRAL FUND

                     BOSTON PARTNERS LONG-SHORT EQUITY FUND

                                (INVESTOR SHARES)
                                       OF
                               THE RBB FUND, INC.

         BOSTON PARTNERS MARKET NEUTRAL FUND (the "Market Neutral Fund") and
BOSTON PARTNERS LONG-SHORT EQUITY FUND (the "Long-Short Equity Fund" and,
together with the Market Neutral Fund, the "Funds") are investment portfolios of
The RBB Fund, Inc. ("RBB" or the "Company"), an open-end management investment
company. The shares of the Investor Classes ("Shares") offered by this
Prospectus represent interests in the Funds.

         The Market Neutral Fund is a diversified fund that seeks long-term
capital appreciation while minimizing exposure to general equity market risk.
The Market Neutral Fund seeks a total return greater than the total return of
the Salomon Smith Barney U.S. 1-Month Treasury Bill Index(TM). The Market
Neutral Fund pursues its objective by taking long positions in stocks identified
by Boston Partners Asset Management, L.P. (the "Adviser") as undervalued and
short positions in such stocks that the Adviser has identified as overvalued.
Generally, the Market Neutral Fund's investments will be invested primarily in
securities principally traded in the United States markets.

         The Long-Short Equity Fund is a diversified fund that seeks a total
return greater than that of the Standard & Poor's 500 Composite Stock Price
Index. The Long-Short Equity Fund pursues its objective by investing a
substantial proportion of its net assets in shares of the Market Neutral Fund.
The Long-Short Equity Fund also intends to invest in futures contracts, options
on futures contracts, equity swap agreements and other investments.

         This Prospectus contains information that a prospective investor needs
to know before investing. Please keep it for future reference. A Statement of
Additional Information, dated June 1, 1999, has been filed with the Securities
and Exchange Commission and is incorporated by reference in this Prospectus. It
may be obtained free of charge from RBB by calling (800) 311-9783 or 9829. The
Prospectus and the Statement of Additional Information are available for
reference, along with other related materials, on the SEC Internet Web Site
(http://www.sec.gov).

SHARES OF THE FUNDS ARE NOT DEPOSITS OR OBLIGATIONS OF OR GUARANTEED OR ENDORSED
BY PNC BANK, NATIONAL ASSOCIATION OR ANY OTHER BANK AND SHARES ARE NOT FEDERALLY
INSURED BY THE FEDERAL DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD
OR ANY OTHER AGENCY. INVESTMENTS IN SHARES OF THE FUNDS INVOLVE INVESTMENT
RISKS, INCLUDING THE POSSIBLE LOSS OF PRINCIPAL.

<PAGE>

THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE COMMISSION OR
ANY STATE SECURITIES COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF THIS
PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

PROSPECTUS                                                          JUNE 1, 1999

                                      -2-
<PAGE>

EXPENSE TABLE

         The following table illustrates the shareholder transaction and annual
operating expenses that are estimated to be incurred by Investor Shares of each
Fund (after fee waivers and expense reimbursements) during the next twelve
months as a percentage of average daily net assets. An example based on each
summary is also shown.

SHAREHOLDER TRANSACTION EXPENSES
                                                          MARKET     LONG-SHORT
                                                       NEUTRAL FUND  EQUITY FUND

Maximum Sales Charge Imposed on Purchases..................None          None
Maximum Sales Charge Imposed on Reinvested Dividends.......None          None
Maximum Deferred Sales Charge..............................None          None
Redemption Fee 1...........................................1.00%         1.00%
Exchange Fee...............................................None          None


ANNUAL FUND OPERATING EXPENSES (AS A PERCENTAGE OF AVERAGE NET ASSETS)

Management Fees (after waivers)2...........................1.85%         0.00%
12b-1 Fees.................................................0.25%         0.25%
Other Expenses (after waivers and expense reimbursements)..0.65%         2.60%
Total Fund Operating Expenses (after waivers and
         expense reimbursements)2..........................2.75%         2.85%

   1     To prevent the Funds from being adversely affected by the transaction
         costs associated with short-term shareholder transactions, the Funds
         will redeem shares at a price equal to the net asset value of the
         shares, less an additional transaction fee equal to 1.00% of the net
         asset value of the all such shares redeemed that have been held for
         less than one year. Such fees are not sales charges or contingent
         deferred sales charges, but are retained by each respective Fund for
         the benefit of all shareholders.

   2     In the absence of fee waivers and expense reimbursements, Management
         Fees would be 2.25% and 0.10%, Other Expenses would be 0.78% and 3.15%,
         and Total Fund Operating Expenses would be 3.28% and 3.50% with respect
         to the Market Neutral and Long-Short Equity Funds, respectively.
         Management Fees are each based on average daily net assets and are
         calculated daily and paid monthly. "Other Expenses" and "Total Fund
         Operating Expenses" do not include short-sale dividends, as defined
         below under "Management - Expenses" (estimated at 0.45% and 0.45% for
         the current fiscal year with respect to the Market Neutral Fund and
         Long-Short Equity Fund, respectively).

                                      -3-
<PAGE>

EXAMPLE

         An investor would pay the following expenses on a $1,000 investment in
the Funds, assuming (1) a 5% annual return and (2) redemption at the end of each
time period:

                                                            ONE           THREE
                                                            YEAR          YEARS

INCLUDING THE 1.00% TRANSACTION FEE ON REDEMPTIONS
MADE WITHIN A YEAR OF PURCHASE

Boston Partners Market Neutral Fund                         $38            $85
Boston Partners Long-Short Equity Fund                      $39            $88

EXCLUDING THE 1.00% TRANSACTION FEE ON REDEMPTIONS
MADE WITHIN A YEAR OF PURCHASE

Boston Partners Market Neutral Fund                         $28            $85
Boston Partners Long-Short Equity Fund                      $29            $88

         The Fee Table is designed to assist an investor in understanding the
various costs and expenses that an investor in the Funds will bear directly or
indirectly. (For more complete descriptions of the various costs and expenses,
see "Management" and "Distribution of Shares" below.) The Fee Table reflects
expense reimbursements and voluntary waivers of Management Fees for the Fund,
which are expected to be in effect during the current fiscal year. However, the
Adviser and the Fund's other service providers are under no obligation with
respect to such expense reimbursements and waivers and there can be no assurance
that any future expense reimbursements and waivers of Management Fees will not
vary from the figures reflected in the Fee Table.

         The Example in the Fee Table assumes that all dividends and
distributions are reinvested and that the amounts listed under "Annual Fund
Operating Expenses" remain the same in the years shown. THE EXAMPLE SHOULD NOT
BE CONSIDERED A REPRESENTATION OF PAST OR FUTURE EXPENSES AND ACTUAL EXPENSES
MAY BE GREATER OR LESS THAN THOSE SHOWN.

                                      -4-

<PAGE>

INTRODUCTION

         RBB is an open-end management investment company incorporated under the
laws of the State of Maryland currently operating or proposing to operate
seventeen separate investment portfolios. The Shares offered by this Prospectus
represent interests in the Boston Partners Market Neutral Fund and the Boston
Partners Long-Short Equity Fund. RBB was incorporated in Maryland on February
29, 1988.

INVESTMENT OBJECTIVES AND POLICIES

         The MARKET NEUTRAL FUND is a diversified fund that seeks long-term
capital appreciation while minimizing exposure to general equity market risk.
The Market Neutral Fund seeks a total return greater than the total return of
the Salomon Smith Barney U.S. 1-Month Treasury Bill Index(TM). The term "market
neutral" in this instance is used to define a strategy of investing or engaging
in transactions in equity securities, while seeking to minimize the impact of
movements in the equity markets. The Market Neutral Fund pursues its objective
by taking long positions in stocks identified by the Adviser as undervalued and
short positions in such stocks that the Adviser has identified as overvalued.
The cash proceeds from short sales will be invested in short-term cash
instruments to produce a return on such proceeds just below the federal funds
rate. Generally, the Market Neutral Fund's investments will be invested
primarily in securities principally traded in the United States markets. See
"Risk Factors -- Short Sales" below. By taking long and short positions in
different stocks with similar characteristics, the Fund attempts to minimize the
effect of general stock market movements on the Fund's performance. The Adviser
will determine the size of each long or short position by analyzing the tradeoff
between the attractiveness of each position and its impact on the risk of the
overall portfolio. The Fund seeks to construct a portfolio that has minimal net
exposure to the U.S. equity market generally and low to neutral exposure to
specific industries, specific capitalization ranges (e.g., large cap, mid cap
and small cap) and certain other factors.

         Although the Market Neutral Fund's investment strategy seeks to
minimize the risk associated with investing in the equity market, an investment
in the Market Neutral Fund will be subject to the risk of poor stock selection
by the Adviser. In other words, the Adviser may not be successful in executing
its strategy of taking long positions in stocks that outperform the market and
short positions in stocks that underperform the market. Further, since the
Adviser will manage both a long and a short portfolio, an investment in the
Market Neutral Fund will involve the risk that the Adviser may make more poor
investment decisions than an adviser of a typical stock mutual fund with only a
long portfolio may make. An investment in one-month U.S. Treasury Bills is
different from an investment in the Market Neutral Fund because Treasury Bills
are backed by the full faith and credit of the U.S. Government, Treasury Bills
have a fixed rate of return and investors in Treasury Bills do not bear the risk
of losing their investment.

         To meet margin requirements, redemptions or pending investments, the
Market Neutral Fund may also temporarily hold a portion of its assets 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 

                                      -5-

<PAGE>

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 Market Neutral Fund's long and short positions may involve (without
limit) equity securities of foreign issuers that are traded in the markets of
the United States as sponsored American Depository Receipts ("ADRs"). ADRs are
receipts typically issued by a U.S. bank or trust company evidencing ownership
of the underlying foreign securities. Generally, ADRs, in registered form, are
designed for use in U.S. securities markets. The ADRs may not necessarily be
denominated in the same currency as the foreign securities underlying the ADRs.
See "Risk Factors -- Foreign Investments." The Market Neutral Fund may also
invest up to 20% of its total assets directly in stocks of foreign issuers.

         The investment objective of the LONG-SHORT EQUITY FUND is to seek a
total return greater than that of the Standard & Poor's 500 Composite Stock
Price Index (the "S&P 500 Index"). Unlike the Market Neutral Fund, the adviser
does not seek to minimize the effects of movements in the general equity
markets, but rather, to use futures and other instruments in an attempt to take
advantage of market movements. The Fund seeks to achieve its objective by
investing in Institutional Shares of the Market Neutral Fund while
simultaneously utilizing S&P 500 Index futures, options on S&P 500 Index futures
and equity swap contracts to gain exposure to the equity market as measured by
the S&P 500 Index. See "Investment Objectives and Policies -- Market Neutral
Fund" and "Risk Factors -- S&P 500 Index Futures and Related Options" and "--
Equity Swap Contracts" below. The Long-Short Equity Fund has obtained from the
Securities and Exchange Commission ("SEC") an exemptive order allowing it to
invest without limit in the Market Neutral Fund. Under normal market conditions,
the Long-Short Equity Fund will invest at least 65% of the value of its total
assets in U.S. equity securities (which include shares of the Market Neutral
Fund). Once the Fund has indirectly acquired a long and short portfolio
indirectly through the purchase of Institutional Shares of the Market Neutral
Fund, the Adviser will purchase S&P 500 Index futures, options on S&P 500 Index
futures and equity swap contracts in an amount approximately equal to the net
asset value of the Long-Short Equity Fund in order to gain full net exposure to
the U.S. equity market as measured by the S&P 500 Index. The Long-Short Equity
Fund may assume higher risks of adverse changes in the general equity markets
through the use of futures, options on futures and equity swap contracts than if
the Fund invested directly in securities listed on the S&P 500 Index.

         The S&P 500 Index is an unmanaged index composed of 500 common stocks,
most of which are listed on the New York Stock Exchange. The S&P 500 Index
assigns relative values to the stocks included in the index, weighted according
to each stock's total market value relative to the total market value of the
other stocks included in such index.

         To meet margin requirements, redemptions or pending investments, the
Long-Short Equity Fund may also temporarily hold a portion of its assets 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 S&P or Prime
2 or "Aa" by 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.

                                      -6-

<PAGE>

         The Long-Short Equity Fund's long and short positions, taken indirectly
through investment in the Market Neutral Fund, may involve (without limit)
equity securities of foreign issuers that are traded in the markets of the
United States as ADRs, which are described above under "Market Neutral Fund."
See "Risk Factors -- Foreign Investments." The Fund may also invest up to 20% of
its total assets directly in stocks of foreign issuers.

         In a typical stock mutual fund the investment adviser attempts to earn
an excess return (return above market return) or "alpha" by identifying and
purchasing undervalued stocks. However, there is another "alpha" possibility --
identifying and selling short overvalued stocks. The term "double alpha" refers
to these two potential sources of alpha: one from correctly identifying
undervalued stocks and one from correctly identifying overvalued stocks. The
market neutral strategy employed directly by the Market Neutral Fund and
indirectly by the Long-Short Equity Fund (through investment in shares of the
Market Neutral Fund) seeks to capture both alphas. The Long-Short Equity Fund
also seeks to replicate the market (and incurs additional cost and expense risk)
by investing in S&P 500 Index instruments.

         While the Adviser intends to fully invest each Fund's assets at all
times in accordance with the above-mentioned policies, each Fund reserves the
right to hold up to 100% of its respective assets, as a temporary defensive
measure, in cash and eligible U.S. dollar-denominated money market instruments.
The Adviser would determine when market conditions warrant temporary defensive
measures.

         Each Fund's investment objective and the policies described above may
be changed by RBB's Board of Directors without the affirmative vote of the
holders of a majority of the outstanding Shares representing interests in such
Fund.


INVESTMENT LIMITATIONS

         The Funds may not change the following investment limitations without
shareholder approval. (A complete list of the investment limitations that cannot
be changed without such a vote of the shareholders is contained in the Statement
of Additional Information under "Investment Objectives and Policies.")

         Neither Fund may borrow money or issue senior securities, except that
each Fund may borrow from banks and enter into reverse repurchase agreements and
dollar rolls for temporary purposes in amounts up to one-third of the value of
its total assets at the time of such borrowing; or mortgage, pledge or
hypothecate any assets, except in connection with any such borrowing and then in
amounts not in excess of one-third of the value of such Fund's total assets at
the time of such borrowing. Neither Fund will purchase securities while its
aggregate borrowings (including reverse repurchase agreements, dollar rolls and
borrowings from banks) are in excess of 5% of its total assets. Securities held
in escrow or separate accounts in connection with the Funds' investment
practices are not considered to be borrowings or deemed to be pledged for
purposes of this limitation.

                                      -7-

<PAGE>

         If a percentage restriction under one of the Funds' investment policies
or restrictions or the use of assets is adhered to at the time a transaction is
effected, later changes in percentage resulting from changing values will not be
considered a violation (except with respect to any restrictions that may apply
to the holding of illiquid securities or borrowings or senior securities issued
by the Fund).


                                  RISK FACTORS

         SPECIAL RISKS AND OTHER CONSIDERATIONS RELATING TO THE LONG-SHORT
EQUITY FUND. Because the Long-Short Equity Fund may invest up to 100% of its
assets in shares of the Market Neutral Fund and other investment companies (such
as money market funds for cash-management purposes), the expenses associated
with investing in the Long-Short Equity Fund may be higher than those associated
with a portfolio that directly invests in securities that are not themselves
investment companies. An investor in the Long-Short Equity Fund will incur a
proportionate share of the expenses of that Fund, as well as a proportionate
share of expenses of the Market Neutral Fund and unaffiliated investment
companies in which the Long-Short Equity Fund invests (collectively, the
"Underlying Funds"). Investors in the Long-Short Equity Fund should realize that
they can invest directly in the Underlying Funds.

         The Long-Short Equity Fund will seek to avoid duplicative fees and the
layering of expenses to the extent practicable. The Fund will generally invest
in the Institutional Shares of the Market Neutral Fund, which are offered to the
Fund with no sales or redemption charges or distribution fees; however, the Fund
may invest in shares of other investment companies (such as money market funds
for cash management purposes) which may be offered with sales or redemption
charges or distribution fees. The management fees payable to the Adviser under
the Long-Short Equity Fund's advisory contract are for services that are in
addition to, rather than duplicative of, services provided under the advisory
contract for any Underlying Funds in which the Long-Short Equity Fund invests.
The administration, custody and transfer agency fees borne by the Long-Short
Equity Fund are also for services that are in addition to, and not duplicative
of, services provided to the Underlying Funds. In addition, the distribution
fees relating to Investor Shares of the Long-Short Equity Fund, when aggregated
with any distribution or shareholder servicing fees paid by the Fund in
connection with its investments in underlying funds will not exceed applicable
NASD limits.

         As a fund that may invest a substantial portion of its assets in other
investment companies, the Long-Short Equity Fund will be subject to certain
investment risks. The Fund's performance is directly related to the performance
of the Market Neutral Fund and the futures, options on futures and equity swap
contracts in which it invests. Accordingly, the ability of the Long-Short Equity
Fund to meet its investment objective is directly related to the skill of the
Adviser and the ability of the Underlying Funds to meet their objectives. There
can be no assurance that the investment objective of any Underlying Fund will be
achieved.

         From time to time, the Market Neutral Fund may experience relatively
large purchases or redemptions due to asset allocation decisions made by the
Adviser in managing the Long-Short Equity Fund and other client accounts. These
transactions may have a material effect on the 

                                      -8-

<PAGE>

Market Neutral Fund. While it is impossible to predict the overall impact of
these transactions over time, there could be adverse effects on the Market
Neutral Fund to the extent that it may be required to sell securities at times
when it would not otherwise do so or receive cash that cannot be invested in an
expeditious manner. There may be tax consequences associated with purchases and
sales of securities, and such sales may also increase transaction costs. The
Adviser is committed to minimizing the impact of these transactions on the
Market Neutral Fund to the extent it is consistent with pursuing the Long-Short
Equity Fund's investment objective and will monitor the impact of the Long-Short
Equity Fund's asset allocation decisions on the Market Neutral Fund.

         INVESTMENT RISKS. The value of Fund shares may increase or decrease
depending on market, economic, political, regulatory and other conditions
affecting each Fund's portfolio. As of the date of this Prospectus, U.S. stock
markets were trading at historically high levels and there can be no guarantee
that such levels will continue. Investment in Shares of the Funds is more
volatile and risky than some other forms of investment. In addition, if the
Adviser takes long positions in stocks that decline or short positions in stocks
that increase in value, then the losses of the Market Neutral Fund and
Long-Short Equity Fund may exceed those of other stock mutual funds that hold
long positions only. These losses may be magnified in the Long-Short Equity Fund
through the unsuccessful use of futures, options on futures and equity swap
contracts.

         SHORT SALES. When the Adviser anticipates that a security is
overvalued, it may sell the security short by borrowing the same security from a
broker or other institution and selling the security. A Fund will incur a loss
as a result of a short sale if the price of the borrowed security increases
between the date of the short sale and the date on which the Fund replaces such
security. A Fund will realize a gain if there is a decline in price of the
security between those dates, which decline exceeds the costs of the borrowing
the security and other transaction costs. There can be no assurance that a Fund
will be able to close out a short position at any particular time or at an
acceptable price. Although a Fund's gain is limited to the amount at which it
sold a security short, its potential loss is unlimited since it is directly tied
to the maximum attainable price of the security less the price at which the
security was sold. Until a Fund replaces a borrowed security, it will maintain
at all times cash, U.S. Government securities, or other liquid securities in an
amount which, when added to any amount deposited with a broker as collateral
will at least equal the current market value of the security sold short.
Depending on arrangements made with brokers, a Fund may not receive any payments
(including interest) on collateral deposited with them. The Funds will not make
a short sale if, after giving effect to such sale, the market value of all
securities sold short exceeds 100% of the value of a Fund's net assets.

         S&P 500 INDEX FUTURES AND RELATED OPTIONS (LONG-SHORT EQUITY FUND
ONLY). An S&P 500 Index Future contract (an "Index Future") is a contract to buy
or sell an integral number of units of the S&P 500 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 S&P 500 Index. Entering into a contract to buy units is
commonly referred to as buying or purchasing a contract or holding a long
position in the S&P 500 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. The Long-Short Equity 

                                      -9-

<PAGE>

Fund will realize a loss if the value of the S&P 500 Index declines between the
time the Fund purchases an Index Future or an option transaction in which the
Fund has assumed a long position and may realize a gain if the value of the S&P
500 Index rises between such dates.

         The Long-Short Equity Fund may close out a futures contract purchase by
entering into a futures contract sale. This sale will terminate the Fund's
position in the futures contract. Positions in Index Futures may be closed out
by the 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 Future 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 event, it may not be possible for the Fund
to close its futures contract purchase, and, in the event of adverse price
movements, the Fund would continue to be required to make daily cash payments of
variation margin (payments to and from a broker made on a daily basis as the
price of the Index Future fluctuates). 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 securities
market. Increased participation by speculators in the futures market may also
cause price distortions.

         Further, when the Long-Short Equity 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 liquid securities in an amount which,
together with the initial margin deposit on the futures contract, is equal to
the current value of the futures contract.

         EQUITY SWAP CONTRACTS (LONG-SHORT EQUITY FUND ONLY). In an equity swap
contract, the counterparty generally agrees to pay the Long-Short Equity Fund
the amount, if any, by which the notional amount of the equity swap contract
would have increased in value had it been invested in the basket of stocks
comprising the S&P 500 Index, plus the dividends that would have been received
on those stocks. The Long-Short Equity Fund agrees to pay to the counterparty a
floating rate of interest (typically the London Inter Bank Offered Rate) on the
notional amount of the equity swap contract plus the amount, if any, by which
that notional amount would have decreased in value had it been invested in such
stocks. Therefore, the return to the Fund on any equity swap contract should be
the gain or loss on the notional amount plus dividends on the stocks comprising
the S&P 500 Index (as if the Fund had invested the notional amount in stocks
comprising the S&P 500 Index) less the interest paid by the Fund on the notional
amount. Therefore, the Fund will generally realize a loss if the value of the
S&P 500 Index declines and will generally realize a gain if the value of the S&P
500 Index rises. The Fund will enter into equity swap contracts only on a net
basis, I.E., where the two parties' obligations are netted out, with the Fund
paying or receiving, as the case may be, only the net amount of any payments. If
there is a default by the counterparty to an equity swap contract, the Fund will
be limited to contractual remedies pursuant to the agreements related to the
transaction.

         There is no assurance that the equity swap contract counterparties will
be able to meet their obligations or that, in the event of default, the
Long-Short Equity Fund will succeed in

                                      -10-

<PAGE>

pursuing contractual remedies. The Fund thus assumes the risk that it may be
delayed in or prevented from obtaining payments owed to it pursuant to these
contracts. The Adviser will closely monitor the credit of equity swap contract
counterparties to seek to minimize this risk.

         The Long-Short Equity Fund will not enter into any equity swap contract
unless, at the time of entering into such transaction, the unsecured senior debt
of the counterparty is rated at least A by Moody's or S&P. In addition, the
staff of the SEC considers equity swap contracts to be illiquid securities.
Consequently, as long as the staff maintains this position, the Fund will not
invest in equity swap contracts if, as a result of the investment, the total
value of such investments together with that of all other illiquid securities
which the Fund owns would exceed 15% of the Fund's net assets.

         The net amount of the excess, if any, of the Long-Short Equity Fund's
obligations over its entitlement with respect to each equity swap contract will
be accrued on a daily basis, and an amount of cash, U.S. Government Securities
or other liquid securities having an aggregate market value at least equal to
the accrued excess will be maintained in a segregated account. The Fund does not
believe that the Fund's obligations under equity swap contracts are senior
securities within the meaning of the 1940 Act, so long as such a segregated
account is maintained, and accordingly, the Fund will not treat them as being
subject to its borrowing restrictions.

         FOREIGN INVESTMENTS. Investing in foreign companies may involve
additional risks and considerations which are not typically associated with
investing in U.S. companies. Since stocks of foreign companies are normally
denominated in foreign currencies, the Funds may be affected favorably or
unfavorably by changes in currency rates and in exchange control regulations,
and may incur costs in connection with conversions between various currencies.

         As non-U.S. companies are not generally subject to uniform accounting,
auditing and financial reporting standards and practices comparable to those
applicable to U.S. companies, comparable information may not be readily
available about certain foreign companies. Some securities of foreign companies
may be less liquid and more volatile than securities of comparable U.S.
companies. In addition, in certain foreign countries, there is the possibility
of expropriation or confiscatory taxation, political or social instability, or
diplomatic developments which could affect U.S. investments in those countries.

         GENERAL. Investment methods described in this Prospectus are among
those which the Funds have the power to utilize. Accordingly, reference to any
particular method or technique carries no implication that it will be utilized
or, if it is, that it will be successful.


                         ADDITIONAL INVESTMENT POLICIES

         This section describes certain additional investment policies that may
be employed by each Fund. Investment policies are described in more detail in
the Statement of Additional Information.

                                      -11-

<PAGE>

         TEMPORARY INVESTMENTS. For defensive purposes or during temporary
periods in which the Adviser believes changes in economic, financial or
political conditions make it advisable, each Fund may reduce its holdings in
equity and other securities and invest up to 100% of its assets in cash or
certain short-term (less than twelve months to maturity) and medium-term (not
greater than five years to maturity) interest-bearing instruments or deposits of
United States and foreign issuers. Such investments may include, but are not
limited to, commercial paper, certificates of deposit, variable or floating rate
notes, bankers' acceptances, time deposits, government securities and money
market deposit accounts. See Statement of Additional Information, "Common
Investment Policies -- Temporary Investments." To the extent permitted by their
investment objectives and policies, the Funds may hold cash or cash equivalents
pending investment.

         BORROWING. A Fund may borrow up to 33 1/3 percent of its total assets
without obtaining shareholder approval. The Adviser intends to borrow, or to
engage in reverse repurchase agreements, only for temporary or emergency
purposes. See Statement of Additional Information, "Common Investment Policies
- -- All Funds -- Reverse Repurchase Agreements" and "-- Borrowing."

         LENDING OF PORTFOLIO SECURITIES. Each Fund may also lend its portfolio
securities to financial institutions against collateral consisting of cash, U.S.
Government securities or irrevocable bank letters of credit, which are equal at
all times to at least 102% of the value of the securities loaned. Such loans
would involve risks of delay in receiving additional collateral in the event the
value of the collateral decreased below the value of the securities loaned or of
delay in recovering the securities loaned or even loss of rights in the
collateral should the borrower of the securities fail financially. However,
loans will be made only to borrowers deemed by the Adviser to be of good
standing and only when, in the Adviser's judgment, the income to be earned from
the loans justifies the attendant risks. Any loans of a Fund's securities will
be fully collateralized and marked to market daily. A Fund may not make loans in
excess of 33 1/3% of the value of its total assets (including the loan
collateral).

         RULE 144A SECURITIES. Rule 144A securities are securities which are
restricted as to resale to the general public, but which may be resold to
qualified institutional buyers. A Fund's investment in Rule 144A securities
could have the effect of increasing the level of illiquidity of the Fund during
any period that qualified institutional buyers were no longer interested in
purchasing these securities. For purposes of each Fund's 15% limitation on
purchase of illiquid securities as described below, Rule 144A securities will
not be considered to be illiquid if the Adviser has determined them to be liquid
pursuant to guidelines established by the Company's Board of Directors.

         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 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
the Funds the opportunity to earn a return on temporarily available cash.
Although the underlying security may 

                                      -12-

<PAGE>

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.

         ILLIQUID SECURITIES. 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 price at which a Fund has
valued such securities, so long as no more than 15% of a Fund's net assets would
be invested in such illiquid securities after giving effect to a purchase.
Investment in illiquid securities involves the risk that, because of the lack of
consistent market demand for such securities, a Fund may be forced to sell them
at a discount from the last offer price.

         INVESTMENT COMPANIES. The Market Neutral Fund may invest in securities
issued by unaffiliated investment companies to the extent permitted by the 1940
Act. As a shareholder of another investment company, the Fund would bear, along
with other shareholders, its pro rata portion of the other investment company's
expenses, including management fees. These expenses would be in addition to the
management fees and other expenses that the Fund bears directly in connection
with its own operations.

     The 1940 Act generally permits the Long-Short Equity Fund to invest without
limitation in other investment companies that are part of the same "group of
investment companies" (as defined in the 1940 Act), provided certain limitations
are observed. Generally, these limitations require that the Fund (a) limit its
investments to shares of other investment companies that are part of the same
"group of investment companies," Government securities and short-term paper; (b)
observe certain limitations on the amount of sales loads and
distribution-related fees that are borne directly and indirectly by its
shareholders; and (c) not invest in other investment companies structured as
"funds of funds." An exemptive order issued by the SEC permits the Long-Short
Equity Fund to hold investments other than those identified above, including
domestic and foreign equity and fixed income securities, S&P 500 Index futures
and related options, equity swap contracts and shares of investment companies
(for cash management purposes).

         PORTFOLIO TURNOVER. The Adviser will effect portfolio transactions in
each Fund without regard to holding periods if, in its judgment, such
transactions are advisable in light of general market, economic or financial
conditions. The annual portfolio turnover rate for each of the Market Neutral
Fund and the Long-Short Equity Fund is not expected to exceed 200%. Portfolio
turnover may vary greatly from year to year as well as within a particular year.
High portfolio turnover rates (100% or more) will generally result in higher
transaction costs to a Fund and may result in the realization of short-term
capital gains that are taxable to shareholders as ordinary income. The amount of
portfolio activity will not be a limiting factor when making portfolio
decisions. See the Statement of Additional Information, "Portfolio Transactions"
and "Taxes."

                                      -13-

<PAGE>

         AMERICAN DEPOSITORY RECEIPTS. Each Fund may invest in ADRs. ADRs are
typically issued by a U.S. bank or trust evidencing ownership of the underlying
foreign securities. Generally, ADRs, in registered form, are designed for use in
U.S. securities markets. ADRs may be listed on a national securities exchange or
may be traded in the over-the-counter market. ADRs traded in the
over-the-counter market which do not have an active or substantial secondary
market will be considered illiquid and therefore will be subject to the Funds'
respective limitations with respect to such securities. ADRs may be denominated
in U.S. dollars although the underlying securities may be denominated in a
foreign currency. Investments in ADRs involve risks similar to those
accompanying direct investments in foreign securities. Certain of these risks
are described above under "Foreign Investments."

         YEAR 2000. As with other mutual funds, financial and business
organizations and individuals around the world, the Funds could be adversely
affected if the computer systems used by the Adviser and the Funds' other
service providers do not properly process and calculate date-related information
and data from and after January 1, 2000. This possibility is commonly known as
the Year 2000 or "Y2K" problem. The Adviser is taking steps to address the Y2K
problem with respect to the computer systems that it uses and to obtain
assurances that comparable steps are being taken by the Funds' other major
service providers. At this time, however, there can be no assurance that these
steps will be sufficient to avoid any adverse impact on the Funds. The Y2K
problem could have a negative impact on the issuers of securities in which the
Funds invest, which could hurt the Funds' investment returns.

         The Statement of Additional Information contains additional investment
policies and strategies of the Funds.

MANAGEMENT

BOARD OF DIRECTORS

         The business and affairs of RBB and the Fund are managed under the
direction of RBB's Board of Directors.

INVESTMENT ADVISER

         Boston Partners Asset Management, L.P., located at 28 State Street,
21st Floor, Boston, Massachusetts 02109, serves as the Fund's investment
adviser. The Adviser provides investment management and investment advisory
services to investment companies and other institutional accounts that had
aggregate total assets under management as of ____, 1999 in excess of $ billion.
The adviser is organized as a Delaware limited partnership whose sole general
partner is Boston Partners, Inc., a Delaware corporation.

         Subject to the supervision and direction of the Company's Board of
Directors, the Adviser manages each Fund's portfolio in accordance with that
Fund's investment objective and policies, makes investment decisions for the
Fund, places orders to purchase and sell securities, and employs professional
portfolio managers and securities analysts who provide research 

                                      -14-

<PAGE>

services to the Fund. For its services to the Funds, the Adviser is paid a
monthly advisory fee computed at an annual rate of 2.25% and 0.10% of the Market
Neutral Fund's and Long-Short Equity Fund's respective average daily net assets.
The Adviser has notified RBB, however, that it intends to waive advisory fees in
excess of 1.85% and 0.00% during the current fiscal year with respect to the
Market Neutral Fund and the Long-Short Equity Fund, respectively.

PORTFOLIO MANAGEMENT

         The day-to-day portfolio management of each Fund is the responsibility
of Edmund D. Kellogg, subject to the supervision of Harry J. Rosenbluth. Both
Mr. Kellogg and Mr. Rosenbluth are portfolio managers employed by the Adviser.
Previously, Mr. Kellogg was a portfolio manager/analyst for a similar limited
partnership private investment fund and a separate account of the Adviser.
Before joining the Adviser in 1996, Mr. Kellogg was employed by The Keystone
Group since 1991, where he was a portfolio manager and analyst managing
institutional separate accounts. Mr. Kellogg has over 21 years of investment
experience and is a Chartered Financial Analyst. Mr. Rosenbluth oversees other
institutional accounts of the Adviser and manages a $2.2 billion
all-capitalization value equity institutional separate account product. Prior to
joining the Adviser in 1995, Mr. Rosenbluth was employed by The Boston Company
Asset Management since 1981 as a senior portfolio manager. Mr. Rosenbluth has
over 17 years of investment experience and is a Chartered Financial Analyst.

ADMINISTRATOR

         PFPC Inc. ("PFPC") serves as administrator to the Funds and generally
assists each Fund in all aspects of its administration and operations, including
matters relating to the maintenance of financial records and accounting. For its
services, PFPC receives a fee calculated at an annual rate of .125% of the
Fund's average daily net assets, with a minimum annual fee of $75,000 payable
monthly on a pro rata basis. 

DISTRIBUTOR

         Provident Distributors, Inc. ("PDI"), with a principal business address
at Four Falls Corporate Center, West Conshohocken, Pennsylvania 19428, acts as
distributor for the Funds' shares pursuant to a distribution agreement (the
"Distribution Agreement") with RBB.

TRANSFER AGENT, DIVIDEND DISBURSING AGENT, AND CUSTODIAN

         PFPC Trust Company, an indirect wholly-owned subsidiary of PNC Bank
Corp., serves as the Funds' custodian pursuant to an agreement with PNC Bank,
N.A. ("PNC Bank"), as assigned to PFPC Trust Company. PNC Bank continues to
provide certain services to PFPC Trust Company. PFPC serves as the Fund's
transfer agent and dividend disbursing agent. The principal offices of PFPC are
located at 400 Bellevue Parkway, Wilmington, Delaware 19809. PFPC may enter into
shareholders servicing agreements with registered broker-dealers who have
entered into dealer agreements with the Distributor ("Authorized Dealers") for
the provision of certain shareholder support services to customers of such
Authorized Dealers who are 

                                      -15-

<PAGE>

shareholders of the Funds. The services provided and the fees payable by the
Funds for these services are described in the Statement of Additional
Information under "Investment Advisory, Distribution and Servicing
Arrangements."

EXPENSES

         The expenses of each Fund are deducted from its total income before
dividends are paid. Any general expenses of RBB that are not readily
identifiable as belonging to a particular investment portfolio of RBB will be
allocated among all investment portfolios of RBB based upon the relative net
assets of the investment portfolios. The Investor Class of each Fund pays its
own distribution fees, and may pay a different share of expenses than the
Institutional Class (excluding advisory and custodial fees), if those expenses
are actually incurred in a different amount by the Investor Class or if it
receives different services.

         Dividends declared on securities which the Market Neutral Fund has sold
short ("short-sale dividends") generally reduce the market value of the
securities by the amount of the dividend declared--thus increasing the Fund's
unrealized gain or reducing the Fund's unrealized loss on the securities sold
short. For accounting purposes, short-sale dividends are treated as an expense,
and increase the Fund's total expense ratio, although no cash is received or
paid by the Fund. This can indirectly affect the Long-Short Equity Fund to the
extent that it is invested in the Market Neutral Fund.

         The Adviser may assume expenses of each Fund from time to time. To the
extent any service providers assume expenses of the Funds, such assumption of
expenses will have the effect of lowering the Funds' overall expense ratio and
increasing its yield to investors.


DISTRIBUTION OF SHARES


         The Board of Directors of RBB has approved and adopted a Distribution
Agreement and Plan of Distribution for the Shares (the "Plan") pursuant to Rule
12b-1 under the 1940 Act. Under the Plan, the Distributor is entitled to receive
from each Fund a distribution fee with respect to the Shares, which is accrued
daily and paid monthly, of up to 0.25% on an annualized basis of the average
daily net assets of the Shares. The actual amount of such compensation under the
Plan is agreed upon by RBB's Board of Directors and by the Distributor. The
Distributor may, in its discretion, from time to time waive voluntarily all or
any portion of its distribution fee.

         Amounts paid to the Distributor under the Plan may be used by the
Distributor to cover expenses that are related to (i) the sale of the Shares,
(ii) ongoing servicing and/or maintenance of the accounts of Shareholders, and
(iii) sub-transfer agency services, subaccounting services or administrative
services related to the sale of the Shares, all as set forth in the Fund's 12b-1
Plan. The Distributor may delegate some or all of these functions to Service
Agents. See "How to Purchase Shares Purchases Through Intermediaries."

                                      -16-

<PAGE>

         The Plan obligates each Fund, during the period it is in effect, to
accrue and pay to the Distributor on behalf of the Shares the fee agreed to
under the Distribution Agreement. Payments under the Plan are not tied
exclusively to expenses actually incurred by the Distributor, and the payments
may exceed distribution expenses actually incurred.

PURCHASES THROUGH INTERMEDIARIES

         Shares of each Fund may be available through certain brokerage firms,
financial institutions and other industry professionals (collectively, "Service
Organizations"). Certain features of the Shares, such as the initial and
subsequent investment minimums and certain trading restrictions, may be modified
or waived by Service Organizations. Service Organizations may impose transaction
or administrative charges or other direct fees, which charges and fees would not
be imposed if Shares are purchased directly from the Funds. Therefore, a client
or customer should contact the Service Organization acting on his behalf
concerning the fees (if any) charged in connection with a purchase or redemption
of Shares and should read this Prospectus in light of the terms governing his
accounts with the Service Organization. Service Organizations will be
responsible for promptly transmitting client or customer purchase and redemption
orders to the Funds in accordance with their agreements with the Funds and with
clients or customers. Service Organizations or, if applicable, their designees
that have entered into agreements with the Funds or their respective agent may
enter confirmed purchase orders on behalf of clients and customers, with payment
to follow no later than a particular Fund's pricing on the following Business
Day. If payment is not received by such time, the Service Organization could be
held liable for resulting fees or losses. Each Fund will be deemed to have
received a purchase or redemption order when a Service Organization, or, if
applicable, its authorized designee, accepts a purchase or redemption order in
good order. Orders received by a Fund in good order will be priced at the Fund's
net asset value next computed after they are accepted by the Service
Organization or its authorized designee.

         For administration, subaccounting, transfer agency and/or other
services, Boston Partners, the Distributor or their affiliates may pay Service
Organizations and certain recordkeeping organizations a fee of up to .35% (the
"Service Fee") of the average annual value of accounts with each Fund maintained
by such Service Organizations or recordkeepers. The Service Fee payable to any
one Service Organization is determined based upon a number of factors, including
the nature and quality of services provided, the operations processing
requirements of the relationship and the standardized fee schedule of the
Service Organization or recordkeeper.

         The Adviser, the Distributor or either of their affiliates may, at
their own expense, provide promotional incentives for qualified recipients who
support the sale of Shares, consisting of securities dealers who have sold
Shares or others, including banks and other financial institutions, under
special arrangements. Incentives may include opportunities to attend business
meetings, conferences, sales or training programs for recipients, employees or
clients and other programs or events and may also include opportunities to
participate in advertising or sales campaigns and/or shareholder services and
programs regarding one or more Boston Partners Funds. Travel, meals and lodging
may also be paid in connection with these promotional activities. In some
instances, these incentives may be offered only to certain institutions whose


                                      -17-

<PAGE>

representatives provide services in connection with the sale or expected sale of
significant amounts of Shares.


HOW TO PURCHASE SHARES

GENERAL

         Shares representing an interest in the Funds are offered continuously
for sale by the Distributor and may be purchased without imposition of a sales
charge. Shares may be purchased initially by completing the application included
in this Prospectus and forwarding the application to the Funds' transfer agent,
PFPC. Purchases of Shares may be effected by wire to an account to be specified
by PFPC or by mailing a check or Federal Reserve Draft, payable to the order of
"The Boston Partners Market Neutral Fund" or "The Boston Partners Long-Short
Equity Fund," as appropriate, c/o PFPC Inc., P.O. Box 8852, Wilmington, Delaware
19899-8852. The name of the Fund, either Boston Partners Market Neutral Fund or
Boston Partners Long-Short Equity Fund, must also appear on the check or Federal
Reserve Draft. Shareholders may not purchase shares of either the Boston
Partners Market Neutral Fund or the Boston Partners Long-Short Equity Fund with
a check issued by a third party and endorsed over to either such Fund. Federal
Reserve Drafts are available at national banks or any state bank which is a
member of the Federal Reserve System. Initial investments in the Fund must be at
least $2,500 and subsequent investments must be at least $100. Each Fund
reserves the right to suspend the offering of its Shares for a period of time or
to reject any purchase order.

         Shares may be purchased on any Business Day. A "Business Day" is any
day that the New York Stock Exchange, Inc. (the "NYSE") is open for business.
Currently, the NYSE is closed on weekends and New Year's Day, Dr. Martin Luther
King, Jr. Day, Presidents' Day, Good Friday, Memorial Day, Independence Day,
Labor Day, Thanksgiving Day and Christmas Day and on the preceding Friday or
subsequent Monday when one of these holidays falls on a Saturday or Sunday.

         The price paid for Shares purchased is based on the net asset value
next computed after a purchase order is received in good order by a Fund or its
agents. Orders received by a Fund or its agents prior to the close of the NYSE
(generally 4:00 p.m. Eastern Time) are priced at that Business Day's net asset
value. Orders received by a Fund or its agents after its close of the NYSE are
priced at the net asset value next determined on the following Business Day. In
those cases where an investor pays for Shares by check, the purchase will be
effected at the net asset value next determined after the Fund or its agents
receives the order and the completed application.

         Provided that the investment is at least $2,500, an investor may also
purchase Shares by having his bank or his broker wire Federal Funds to PFPC. An
investor's bank or broker may impose a charge for this service. The Funds do not
currently impose a service charge for effecting wire transfers but reserve the
right to do so in the future. In order to ensure prompt receipt of an investor's
Federal Funds wire for an initial investment, it is important that an investor
follows these steps:

                                      -18-

<PAGE>

         A. Telephone the Funds' transfer agent, PFPC, toll-free (888) 261-4073,
and provide PFPC with your name, address, telephone number, Social Security or
Tax Identification Number, the Fund selected, the amount being wired, and by
which bank. PFPC will then provide an investor with a Fund account number.
Investors with existing accounts should also notify PFPC prior to wiring funds.

         B. Instruct your bank or broker to wire the specified amount, together
with your assigned account number, to PFPC's account with PFPC Trust Company:

                       PFPC Trust Company
                       Philadelphia, PA 19103
                       ABA NUMBER: 0310-0005-3
                       CREDITING ACCOUNT NUMBER: 86-1108-2507
                       FROM: (name of investor)
                       ACCOUNT NUMBER: (Investor's account number with the Fund)
                       FOR PURCHASE OF: (name of the Fund)
                       AMOUNT: (amount to be invested)

         C. Fully complete and sign the application and mail it to the address
shown thereon. PFPC will not process purchases until it receives a fully
completed and signed application.

         For subsequent investments, an investor should follow steps A and B
above.

AUTOMATIC INVESTING

         Additional investments in Shares may be made automatically by
authorizing the Funds' transfer agent to withdraw funds from your bank account.
Investors desiring to participate in the automatic investing program should call
the Funds' transfer agent, PFPC, at (888) 261-4073 to obtain the appropriate
forms.

RETIREMENT PLANS

         Shares may be purchased in conjunction with individual retirement
accounts ("IRAs") and rollover IRAs where PFPC Trust Company acts as custodian.
For further information as to applications and annual fees, contact the Funds'
transfer agent, PFPC, at (888) 261-4073. To determine whether the benefits of an
IRA are available and/or appropriate, a shareholder should consult with a tax
advisor.


HOW TO REDEEM AND EXCHANGE SHARES

REDEMPTION BY MAIL

         Shareholders may redeem for cash some or all of their Shares of a Fund
at any time. To do so, a written request in proper form must be sent directly to
Boston Partners Market Neutral 

                                      -19-

<PAGE>

Fund or Boston Partners Long-Short Equity Fund, as appropriate, c/o PFPC Inc.,
P.O. Box 8852, Wilmington, Delaware 19899-8852. There is no charge for a
redemption, unless the Shareholder has held his or her Shares for less than one
year, upon which a fee equal to 1% of the net asset value of the Shares redeemed
at the time of redemption will be imposed.

         A request for redemption must be signed by all persons in whose names
the Shares are registered. Signatures must conform exactly to the account
registration. If the proceeds of the redemption would exceed $10,000, or if the
proceeds are not to be paid to the record owner at the record address, or if the
shareholder is a corporation, partnership, trust or fiduciary, signature(s) must
be guaranteed according to the procedures described below under "Exchange
Privilege."

         Generally, a properly signed written request with any required
signature guarantee is all that is required for a redemption. In some cases,
however, other documents may be necessary. In the case of shareholders holding
share certificates, the certificates for the shares being redeemed must
accompany the redemption request. Additional documentary evidence of authority
is also required by the Funds' transfer agent in the event redemption is
requested by a corporation, partnership, trust, fiduciary, executor or
administrator.

SYSTEMATIC WITHDRAWAL PLAN

         If your account has a value of at least $10,000, you may establish a
Systematic Withdrawal Plan and receive regular periodic payments. A request to
establish a Systematic Withdrawal Plan must be submitted in writing to PFPC at
P.O. Box 8852, Wilmington, Delaware 19899-8852. Each withdrawal redemption will
be processed on or about the 25th of the month and mailed as soon as possible
thereafter. There are no service charges for maintenance; the minimum amount
that you may withdraw each period is $100. (This is merely the minimum amount
allowed and should not be mistaken for a recommended amount.) The holder of a
Systematic Withdrawal Plan will have any income dividends and any capital gains
distributions reinvested in full and fractional shares at net asset value. To
provide funds for payment, Shares will be redeemed in such amount as is
necessary at the redemption price, which is net asset value next determined
after a Fund's receipt of a redemption request. Redemption of Shares may reduce
or possibly exhaust the Shares in your account, particularly in the event of a
market decline. As with other redemptions, a redemption to make a withdrawal
payment is a sale for federal income tax purposes. Payments made pursuant to a
Systematic Withdrawal Plan cannot be considered as actual yield or income since
part of such payments may be a return of capital.

         You will ordinarily not be allowed to make additional investments of
less than the aggregate annual withdrawals under the Systematic Withdrawal Plan
during the time you have the plan in effect and, while a Systematic Withdrawal
Plan is in effect, you may not make periodic investments under the Automatic
Investment Plan. You will receive a confirmation of each transaction showing the
sources of the payment and the Share and cash balance remaining in your plan.
The plan may be terminated on written notice by the shareholder or by a Fund and
will terminate automatically if all Shares are liquidated or withdrawn from the
account or upon the death or incapacity of the shareholder. You may change the
amount and schedule of withdrawal payments or suspend such payments by giving
written notice to the Funds' transfer agent at least seven Business Days prior
to the end of the month preceding a scheduled payment.

                                      -20-
<PAGE>

TRANSACTION FEE IMPOSED ON CERTAIN REDEMPTIONS

         Each Fund requires the payment of a transaction fee on redemptions of
Shares of such Fund held for less than one year equal to 1.00% of the net asset
value of such Shares redeemed at the time of redemption. This additional
transaction fee is paid to the particular Fund, NOT to the adviser, distributor
or transfer agent. It is NOT a sales charge or a contingent deferred sales
charge. The fee does not apply to redeemed Shares that were purchased through
reinvested dividends or capital gain distributions. The purpose of the
additional transaction fee is to indirectly allocate transaction costs
associated with redemptions to those investors making redemptions after holding
their shares for a short period, thus protecting existing shareholders. These
costs include: (1) brokerage costs; (2) market impact costs -- i.e., the
decrease in market prices which may result when a Fund sells certain securities
in order to raise cash to meet the redemption request; (3) the realization of
capital gains by the other shareholders in a Fund; and (4) the effect of the
"bid-ask" spread in the over-the-counter market. The 1.00% amount represents the
Funds' estimate of the brokerage and other transaction costs which may be
incurred by a Fund in disposing of stocks in which such Fund may invest. Without
the additional transaction fee, each Fund would generally be selling its shares
at a price less than the cost to the Fund of acquiring the portfolio securities
necessary to maintain its investment characteristics, resulting in reduced
investment performance for all shareholders in the Fund. With the additional
transaction fee, the transaction costs of selling additional stocks are not
borne by all existing shareholders, but the source of funds for these costs is
the transaction fee paid by those investors making redemptions.

INVOLUNTARY REDEMPTION

         Each Fund reserves the right to redeem a shareholder's account at any
time the net asset value of the account falls below $500 as the result of a
redemption or an exchange request. Shareholders will be notified in writing that
the value of their account is less than $500 and will be allowed 30 days to make
additional investments before the redemption is processed. In such cases,
neither Fund will impose the 1% transaction fee.

PAYMENT OF REDEMPTION PROCEEDS

         With the exception of redemptions to which the 1.00% transaction fee
applies, the redemption price is the net asset value per share next determined
after the request for redemption is received in proper form by a Fund or its
agents. For redemptions to which the additional transaction fee applies, the
redemption price is the net asset value per share next determined after the
request for redemption is received in proper form by a Fund or its agents, less
an amount equal to 1.00% of the net asset value of such Shares redeemed that the
shareholder has held for less than one year. Payment for Shares redeemed is made
by check mailed within seven days after acceptance by the Fund or its agents of
the request and any other necessary documents in proper order. Such payment may
be postponed or the right of redemption suspended as provided by the 1940 Act.
If the Shares to be redeemed have been recently purchased by check, the Funds'
transfer agent may delay mailing a redemption check, which may be a period of up
to 15 days, 

                                      -21-

<PAGE>

pending a determination that the check has cleared. The Funds have
elected to be governed by Rule 18f-1 under the 1940 Act so that a Fund is
obligated to redeem its shares solely in cash up to the lesser of $250,000 or 1%
of its net asset value during any 90-day period for any one shareholder of a
portfolio.

EXCHANGE PRIVILEGE

         The exchange privilege is available to shareholders residing in any
state in which the Shares being acquired may be legally sold. A shareholder may
exchange Shares of either Fund for Investor Shares of another Boston Partners
Fund up to six (6) times per year. Such exchange will be effected at the net
asset value of the exchanged Fund and the net asset value of the Fund exchanged
for next determined after PFPC's receipt of a request for an exchange. An
exchange of shares held for less than one-year (with the exception of shares
purchased through dividend reinvestment or the reinvestment of capital gains)
will be subject to the 1.00% transaction fee. An exchange of Shares will be
treated as a sale for federal income tax purposes. See "Taxes." A shareholder
wishing to make an exchange may do so by sending a written request to PFPC.

         If the exchanging shareholder does not currently own Investor Shares of
any other Boston Partners Fund of RBB, a new account will be established with
the same registration, dividend and capital gain options as the account from
which shares are exchanged, unless otherwise specified in writing by the
shareholder with all signatures guaranteed. A signature guarantee may be
obtained from a domestic bank or trust company, broker, dealer, clearing agency
or savings association who are participants in a medallion program recognized by
the Securities Transfer Association. The three recognized medallion programs are
Securities Transfer Agents Medallion Program (STAMP), Stock Exchanges Medallion
Program (SEMP) and New York Stock Exchange, Inc. Medallion Signature Program
(MSP). Signature guarantees that are not part of these programs will not be
accepted. The exchange privilege may be modified or terminated at any time, or
from time to time, by RBB, upon 60 days' written notice to shareholders.

         If an exchange is to a new account in an RBB Fund advised by Boston
Partners, the dollar value of Investor Shares acquired must equal or exceed that
Fund's minimum for a new account; if to an existing account, the dollar value
must equal or exceed that Fund's minimum for subsequent investments. If any
amount remains in the Fund from which the exchange is being made, such amount
must not drop below the minimum account value required by the Fund.

EXCHANGE PRIVILEGE LIMITATIONS

         The Funds' exchange privilege is not intended to afford shareholders a
way to speculate on short-term movements in the market. Accordingly, in order to
prevent excessive use of the exchange privilege that may potentially disrupt the
management of a Fund and increase transaction costs, each Fund has established a
policy of limiting excessive exchange activity.

         Shareholders are entitled to six (6) exchange redemptions (at least 30
days apart) from a Fund during any twelve-month period. Notwithstanding these
limitations, each Fund reserves 

                                      -22-

<PAGE>

the right to reject any purchase request (including exchange purchases from an
RBB Fund advised by Boston Partners) that is deemed to be disruptive to
efficient portfolio management.

TELEPHONE TRANSACTIONS

         In order to request a telephone exchange or redemption, a shareholder
must have completed and returned an account application containing a telephone
election. To add a telephone option to an existing account that previously did
not provide for this option, a Telephone Authorization Form must be filed with
PFPC. This form is available from PFPC. Once this election has been made, the
shareholder may simply contact PFPC by telephone to request the exchange or
redemption by calling (888) 261-4073. Neither RBB, the Funds, the Distributor,
the Administrator nor any other Fund agent will be liable for any loss,
liability, cost or expense for following RBB's telephone transaction procedures
described below or for following instructions communicated by telephone that
they reasonably believe to be genuine.

         RBB's telephone transaction procedures include the following measures:
(1) requiring the appropriate telephone transaction privilege forms; (2)
requiring the caller to provide the names of the account owners, the account
social security number and name of the Fund, all of which must match RBB's
records; (3) requiring RBB's service representative to complete a telephone
transaction form, listing all of the above caller identification information;
(4) permitting exchanges only if the two account registrations are identical;
(5) requiring that redemption proceeds be sent only by check to the account
owners of record at the address of record, or by wire only to the owners of
record at the bank account of record; (6) sending a written confirmation for
each telephone transaction to the owners of record at the address of record
within five (5) Business Days of the call; and (7) maintaining tapes of
telephone transactions for six months, if a Fund elects to record shareholder
telephone transactions. For accounts held of record by broker-dealers (other
than the Distributor), financial institutions, securities dealers, financial
planners and other industry professionals, additional documentation or
information regarding the scope of a caller's authority is required. Finally,
for telephone transactions in accounts held jointly, additional information
regarding other account holders is required. Telephone transactions will not be
permitted in connection with IRA or other retirement plan accounts or by an
attorney-in-fact under a power of attorney.


NET ASSET VALUE

         The net asset value for each class of a Fund is calculated by adding
the value of the proportionate interest of the class in a Fund's cash,
securities and other assets, deducting actual and accrued liabilities of the
class and dividing the result by the number of outstanding shares of the class.
The net asset value of each class is calculated independently of each other
class. The net asset values are calculated as of the close of regular trading on
the NYSE, generally 4:00 p.m. Eastern Time on each Business Day.

         Valuation of securities held by a Fund is as follows: securities traded
on a national securities exchange or on the NASDAQ National Market System are
valued at the last reported sale price that day; securities traded on a national
securities exchange or on the NASDAQ 

                                      -23-

<PAGE>

National Market System for which there were no sales on that day and securities
traded on other over-the-counter markets for which market quotations are readily
available are valued at the mean of the bid and asked prices; and securities for
which market quotations are not readily available are valued at fair market
value as determined in good faith by or under the direction of RBB's Board of
Directors. The amortized cost method of valuation may also be used with respect
to debt obligations with sixty days or less remaining to maturity.

         With the approval of RBB's Board of Directors, a Fund may use a pricing
service, bank or broker-dealer experienced in such matters to value such Fund's
securities. A more detailed discussion of net asset value and security valuation
is contained in the Statement of Additional Information.


DIVIDENDS AND DISTRIBUTIONS

         Each Fund will distribute substantially all of the net investment
income and net realized capital gains, if any, of the Fund to the Fund's
shareholders. All distributions are reinvested in the form of additional full
and fractional Shares unless a shareholder elects otherwise.

         Each Fund will declare and pay dividends from net investment income
annually. Net realized capital gains (including net short-term capital gains),
if any, will be distributed at least annually.


TAXES

         The following discussion is only a brief summary of some of the
important tax considerations generally affecting the Funds and their
shareholders and is not intended as a substitute for careful tax planning.
Accordingly, investors in each Fund should consult their tax advisers with
specific reference to their own tax situation.

         Each Fund will elect to be taxed as a regulated investment company for
federal income tax purposes. So long as each Fund qualifies for this tax
treatment, it will be relieved of federal income tax on amounts distributed to
shareholders. Each Fund intends to make sufficient actual or deemed
distributions prior to the end of each calendar year to avoid liability for
federal income or excise tax.

         Fund distributions to shareholders, unless otherwise exempt, will be
taxable (except distributions that are treated for federal income tax purposes
as a return of capital) regardless of whether the distributions are received in
cash or reinvested in additional shares. Distributions out of the "net capital
gain" (the excess of net long-term capital gain over net short-term capital
loss), if any, of a Fund will be taxed to shareholders as long-term capital gain
regardless of the length of time a shareholder has held his Shares. All other
taxable distributions are taxed to shareholders as ordinary income.

                                      -24-

<PAGE>

         RBB will send written notices to shareholders annually regarding the
tax status of distributions made by the Fund. Dividends declared in October,
November or December of any year payable to shareholders of record on a
specified date in such a month will be deemed to have been received by the
shareholders on December 31, if such dividends are paid during January of the
following year.

         Investors should be careful to consider the tax implications of buying
shares just prior to a distribution. The price of shares purchased at that time
will reflect the amount of the forthcoming distribution. Those investors
purchasing shares just prior to a distribution will nevertheless be taxed on the
entire amount of the distribution received, although the distribution is, in
effect, a return of capital.

         Shareholders who sell or redeem shares, or exchange shares representing
interests in one Fund for shares representing interests in another Fund, will
generally recognize capital gain or loss for federal income tax purposes. The
gain or loss will be long-term capital gain or loss if the shares have been held
for more than twelve months, and short-term otherwise, except that a loss on
shares held six months or less will be treated as long-term capital loss to the
extent of any capital gains distribution received on the shares.

         Shareholders who are nonresident alien individuals, foreign trusts or
estates, foreign corporations or foreign partnerships are generally subject to
different U.S. Federal income tax treatment from that described above. In
particular, such shareholders will generally not be subject to U.S. federal
income tax on capital gains on or with respect to their shares, and other
distributions to them will be subject to 30% withholding tax unless such tax is
reduced or eliminated under an applicable tax treaty.


MULTI-CLASS STRUCTURE

         Each Fund offers one other class of shares, Institutional Shares, which
are offered directly to institutional investors pursuant to a separate
prospectus. Shares of each class represent equal pro rata interests in a Fund
and accrue dividends and calculate net asset value and performance quotations in
the same manner. The Funds will quote performance of the Institutional Shares
separately from Investor Shares. Because of different expenses paid by the
Investor Shares, the total return on such shares can be expected, at any time,
to be different than the total return on Institutional Shares. Information
concerning other classes may be obtained by calling the Funds at (800) 311-9783
or 9829.


DESCRIPTION OF SHARES

         RBB has authorized capital of thirty billion shares of Common Stock,
$.001 par value per share, of which ___ billion shares are currently classified
into __ different classes of Common Stock. See "Description of Shares" in the
Statement of Additional Information."

                                      -25-

<PAGE>

         THIS PROSPECTUS AND THE STATEMENT OF ADDITIONAL INFORMATION
INCORPORATED HEREIN RELATE PRIMARILY TO THE BOSTON PARTNERS MARKET NEUTRAL FUND
AND BOSTON PARTNERS LONG-SHORT EQUITY FUND AND DESCRIBE ONLY THE INVESTMENT
OBJECTIVES AND POLICIES, OPERATIONS, CONTRACTS AND OTHER MATTERS RELATING TO THE
BOSTON PARTNERS MARKET NEUTRAL FUND OR BOSTON PARTNERS LONG-SHORT EQUITY FUND.

         Each share that represents an interest in a Fund has an equal
proportionate interest in the assets belonging to that Fund with each other
share that represents an interest in the Fund, even where a share has a
different class designation than another share representing an interest in such
Fund. Shares of a Fund do not have preemptive or conversion rights. When issued
for payment as described in this Prospectus, Shares will be fully paid and
non-assessable.

         RBB currently does not intend to hold annual meetings of shareholders
except as required by the 1940 Act or other applicable law. The law under
certain circumstances provides shareholders with the right to call for a meeting
of shareholders to consider the removal of one or more directors. To the extent
required by law, RBB will assist in shareholder communication in such matters.

         Holders of Shares of a Fund will vote in the aggregate and not by class
on all matters, except where otherwise required by law. Further, shareholders of
all investment portfolios of RBB will vote in the aggregate and not by portfolio
except as otherwise required by law or when the Board of Directors determines
that the matter to be voted upon affects only the interests of the shareholders
of a particular investment portfolio. (See the Statement of Additional
Information under "Additional Information Concerning Fund Shares" for examples
when the 1940 Act requires voting by investment portfolio or by class.)
Shareholders of a Fund are entitled to one vote for each full share held
(irrespective of class or portfolio) and fractional votes for fractional shares
held. Voting rights are not cumulative and, accordingly, the holders of more
than 50% of the aggregate shares of Common Stock of the Company may elect all of
the directors.

         As of April 30, 1999, to the Fund's knowledge, no person held of record
or beneficially 25% or more of the outstanding shares of all classes of RBB.


OTHER INFORMATION

REPORTS AND INQUIRIES

         Shareholders will receive unaudited semi-annual reports describing each
Fund's investment operations and annual financial statements audited by
independent accountants. Shareholder inquiries should be addressed to PFPC Inc.,
the Funds' transfer agent, Bellevue Park Corporate Center, 400 Bellevue Parkway,
Wilmington, Delaware 19809, toll-free (888) 261-4073.

                                      -26-

<PAGE>

SHARE CERTIFICATES

         In the interest of economy and convenience, physical certificates
representing Shares in the Funds are not normally issued.

FUTURE PERFORMANCE INFORMATION

         From time to time, each Fund may advertise its performance, including
comparisons to other mutual funds with similar investment objectives and to
stock or other relevant indices. All such advertisements will show the average
annual total return over one, five and ten year periods or, if such periods have
not yet elapsed, shorter periods corresponding to the life of such Fund. Such
total return quotations will be computed by finding the compounded average
annual total return for each time period that would equate the assumed initial
investment of $1,000 to the ending redeemable value, net of fees, according to a
required standardized calculation. The standard calculation is required by the
SEC to provide consistency and comparability in investment company advertising.
Each Fund may also from time to time include in such advertising an aggregate
total return figure or a total return figure that is not calculated according to
the standardized formula in order to compare more accurately the Fund's
performance with other measures of investment return. For example, a Fund's
total return may be compared with data published by Lipper Analytical Services,
Inc., CDA Investment Technologies, Inc. or Weisenberger Investment Company
Service, or with the performance of the Salomon Smith Barney U.S. 1-Month
Treasury Bill Index(TM), with respect to the Market Neutral Fund, or the S&P
500, with respect to the Long-Short Equity Fund. Performance information may
also include evaluation of the Funds by nationally recognized ranking services
and information as reported in financial publications such as BUSINESS WEEK,
FORTUNE, INSTITUTIONAL INVESTOR, MONEY MAGAZINE, FORBES, BARRON'S, THE WALL
STREET JOURNAL, THE NEW YORK TIMES, or other national, regional or local
publications. All advertisements containing performance data will include a
legend disclosing that such performance data represents past performance and
that the investment return and principal value of an investment will fluctuate
so that an investor's Shares, when redeemed, may be worth more or less than
their original cost.

                                      -27-

<PAGE>


                      [THIS PAGE INTENTIONALLY LEFT BLANK]

                                      -28-

<PAGE>

NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR MAKE ANY
REPRESENTATIONS NOT CONTAINED IN THIS PROSPECTUS OR IN RBB'S STATEMENT OF
ADDITIONAL INFORMATION INCORPORATED HEREIN BY REFERENCE, IN CONNECTION WITH THE
OFFERING MADE BY THIS PROSPECTUS AND, IF GIVEN OR MADE, SUCH REPRESENTATIONS
MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY RBB OR ITS DISTRIBUTOR.
THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFERING BY RBB OR BY THE DISTRIBUTOR IN
ANY JURISDICTION IN WHICH SUCH OFFERING MAY NOT LAWFULLY BE MADE.

                   TABLE OF CONTENTS
                                                 PAGE

INTRODUCTION......................................  4
INVESTMENT OBJECTIVES AND POLICIES................  4
INVESTMENT LIMITATIONS............................  7
RISK FACTORS......................................  8
MANAGEMENT........................................  8
DISTRIBUTION OF SHARES............................ 10
HOW TO PURCHASE SHARES............................ 11
HOW TO REDEEM AND EXCHANGE SHARES................. 13
NET ASSET VALUE................................... 17
DIVIDENDS AND DISTRIBUTIONS....................... 17
TAXES    ......................................... 18
MULTI-CLASS STRUCTURE............................. 19
DESCRIPTION OF SHARES............................. 19
OTHER INFORMATION................................. 20


INVESTMENT ADVISER
Boston Partners Asset Management, L.P.
Boston, Massachusetts

CUSTODIAN
PFPC Trust Company
Wilmington, Delaware

TRANSFER AGENT AND ADMINISTRATOR
PFPC Inc.
Wilmington, Delaware

DISTRIBUTOR
Provident Distributors, Inc.
West Conshohocken, Pennsylvania

COUNSEL
Drinker Biddle & Reath LLP
Philadelphia, Pennsylvania

INDEPENDENT ACCOUNTANTS
PricewaterhouseCoopers LLP
Philadelphia, Pennsylvania



PROSPECTUS

                                      -29-

<PAGE>

June 1, 1999


                                 BOSTON PARTNERS
                               MARKET NEUTRAL FUND

                                 BOSTON PARTNERS
                             LONG--SHORT EQUITY FUND

                                (Investor Shares)

                                      -30-
<PAGE>

BP

BOSTON PARTNERS ASSET
       MANAGEMENT, L.P.


BOSTON PARTNERS MARKET NEUTRAL FUND

BP

BOSTON PARTNERS LONG-SHORT EQUITY FUND
       (Investor Shares)

                                      -31-

<PAGE>


<TABLE>
<CAPTION>
BOSTON PARTNERS ASSET MANAGEMENT, L.P.

ACCOUNT APPLICATION
PLEASE NOTE: Do not use this form to open a retirement plan account. For an IRA
application or help with this Application, please call 1-888-261-4073

<S>                 <C>
                    (Please check the appropriate box(es) below.)
1. ACCOUNT REGISTRATION       |_|  Individual    |_|  Joint Tenant    |_|  Other

                    Name               SOCIAL SECURITY NUMBER OR TAX ID # OF PRIMARY OWNER

                    NAME OF JOINT OWNER           JOINT OWNER SOCIAL SECURITY NUMBER OR TAX ID #

For joint accounts, the account registrants will be joint tenants with right of survivorship and not tenants in
                    common unless tenants in common or community property registrations are requested.

GIFT TO MINOR:      |_|  UNIFORM GIFTS/TRANSFER TO MINOR'S ACT

                    NAME OF ADULT CUSTODIAN (ONLY ONE PERMITTED)

                    NAME OF MINOR (ONLY ONE PERMITTED)

                    MINOR'S SOCIAL SECURITY NUMBER AND DATE OF BIRTH


CORPORATION,
PARTNERSHIP, TRUST
OR OTHER ENTITY:    NAME OF CORPORATION, PARTNERSHIP, OR OTHER                            NAME(S) OF TRUSTEE(S)


                    TAXPAYER IDENTIFICATION NUMBER


2. MAILING ADDRESS: STREET OR P.O. BOX AND/OR APARTMENT NUMBER

                    CITY                                                                  STATE             ZIP CODE

                    DAY PHONE NUMBER                                                      EVENING PHONE NUMBER


3. INVESTMENT INFORMATION:
                    Minimum initial investment of $100,000            Amount of investment $____________

                    Make the check payable to Boston Partners Market Neutral Fund or Boston Partners Long-Short Equity Fund 
                    (as appropriate).

                    Shareholders may not purchase shares of this Fund with a check issued by a third party and endorsed
                    over to the Fund.

DISTRIBUTION        NOTE:  Dividends and capital gains may be reinvested or paid by check. If no options are selected
OPTIONS:            below, both dividends and capital gains will be reinvested in additional Fund shares.

                    DIVIDENDS |_|    Pay by check |_|    Reinvest |_|     CAPITAL GAINS |_|    Pay by check |_|    Reinvest   |_|


4. TELEPHONE REDEMPTION:
                    To use this option, you must initial the appropriate line below.
                    I authorize the Transfer Agent to accept instructions from any persons to redeem or exchange shares in 
                    my account(s) by telephone in accordance with the procedures and conditions set forth in the Fund's 
                    current prospectus.

                                                                                Redeem shares, and send the proceeds to the
                           individual initial            joint initial          address of record.

</TABLE>
                                      -32-

<PAGE>

<TABLE>
<CAPTION>
<S>                 <C>

                                                                                Exchange shares for shares of The Boston
                           individual initial             joint initial         Partners Large Cap Value Fund, Boston Partners 
                                                                                Mid Cap Value Fund, Boston Partners Micro Cap Fund 
                                                                                or Boston Partners Bond Fund.

5.   AUTOMATIC INVESTMENT PLAN:
                    The Account Investment Plan which is available to shareholders of the Fund, makes possible regularly scheduled
                    purchases of Fund shares to allow dollar-cost averaging. The Fund's Transfer Agent can arrange for an amount of
                    money selected by you to be deducted from your checking account and used to purchase shares of the Fund.

                    Please debit $________ from my checking account (named below on or about the 20th of the month. Please attach an
                    unsigned, voided check.

                    |_| Monthly     |_| Every Alternate Month      |_| Quarterly     |_| Other

BANK OF RECORD:

                    BANK NAME                          STREET ADDRESS OR P.O. BOX


                    CITY STATE                         ZIP CODE


                    BANK ABA NUMBER                    BANK ACCOUNT NUMBER

6. SIGNATURES:      The undersigned warrants that I (we) have full authority and, if a natural person, I (we) am (are) of legal
                    age to purchase shares pursuant to this Account Application, and I (we) have received a current prospectus for
                    the Fund in which I (we) am (are) investing. Under the Interest and Dividend Tax Compliance Act of 1983, the
                    Fund is required to have the following certification:
                    Under penalties of perjury, I certify that:
                    (1) The number shown on this form is my correct taxpayer identification number (or I am waiting for a number to
                    be issued to), and (2) I am not subject to backup withholding because (a) I am exempt from backup withholding,
                    or (b) I have not been notified by the Internal Revenue Service that I am subject to 31% backup withholding as a
                    result of a failure to report all interest or dividends, or (c) the IRS has notified me that I am no longer
                    subject to backup withholding.

                    NOTE: YOU MUST CROSS OUT ITEM (2) ABOVE IF YOU HAVE BEEN NOTIFIED BY THE IRS THAT YOU ARE CURRENTLY SUBJECT TO
                    BACKUP WITHHOLDING BECAUSE YOU HAVE FAILED TO REPORT ALL INTEREST AND DIVIDENDS ON YOUR TAX RETURN. THE INTERNAL
                    REVENUE SERVICE DOES NOT REQUIRE YOUR CONSENT TO ANY PROVISION OF THIS DOCUMENT OTHER THAN THE CERTIFICATION
                    REQUIRED TO AUDIT BACKUP WITHHOLDING.


                    SIGNATURE OF APPLICANT                                                                DATE


                    PRINT NAME                                                                    TITLE (IF APPLICABLE)


                    SIGNATURE OF JOINT OWNER                                                              DATE


                    PRINT NAME                                                                    TITLE (IF APPLICABLE)


                    (If you are signing for a corporation, you must indicate corporate office or title. If you wish additional
                    signatories on the account, please include a corporate resolution. If signing as a fiduciary, you must indicate
                    capacity.)

                    MAIL COMPLETED ACCOUNT APPLICATION AND CHECK TO:     THE BOSTON PARTNERS MARKET NEUTRAL FUND
                                                                         THE BOSTON PARTNERS LONG-SHORT EQUITY FUND
                                                                         C/O PFPC INC.
                                                                         P.O. BOX 8852
                                                                         WILMINGTON, DE  19899-8852

</TABLE>
                                      -33-

<PAGE>

                       BOSTON PARTNERS MARKET NEUTRAL FUND

                     BOSTON PARTNERS LONG-SHORT EQUITY FUND

                      (INSTITUTIONAL AND INVESTOR CLASSES)

                                       OF

                               THE RBB FUND, INC.

                       STATEMENT OF ADDITIONAL INFORMATION

         This Statement of Additional Information provides supplementary
information pertaining to shares of the Investor and Institutional Classes (the
"Shares") representing interests in the Boston Partners Market Neutral Fund (the
"Market Neutral Fund") and the Boston Partners Long-Short Equity Fund (the
"Long-Short Equity Fund," and, together with the Market Neutral Fund, the
"Funds") of The RBB Fund, Inc. ("RBB" or the "Company"). This Statement of
Additional Information is not a prospectus, and should be read only in
conjunction with the Boston Partners Market Neutral Fund and Boston Partners
Long-Short Equity Fund Prospectuses, dated June 1, 1999 (together, the
"Prospectus"). A copy of any of the Prospectuses may be obtained from RBB by
calling toll-free (800) 311-9783 or 9829. This Statement of Additional
Information is dated June 1, 1999.

                                    CONTENTS

                                                                           PAGE

General....................................................................
Investment Objectives and Policies.........................................
Directors and Officers.....................................................
Investment Advisory, Distribution
  and Servicing Arrangements...............................................
Portfolio Transactions.....................................................
Purchase and Redemption Information........................................
Valuation of Shares........................................................
Performance and Yield Information..........................................
Taxes......................................................................
Additional Information Concerning RBB Shares...............................
Miscellaneous..............................................................
Financial Statements.......................................................
Appendix A.................................................................

NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY
REPRESENTATIONS NOT CONTAINED IN THIS STATEMENT OF ADDITIONAL INFORMATION IN
CONNECTION WITH THE OFFERING MADE BY THE PROSPECTUS AND, IF GIVEN OR MADE, SUCH
INFORMATION OR REPRESENTATIONS MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED
BY RBB OR ITS DISTRIBUTOR. THE PROSPECTUS DOES NOT CONSTITUTE AN OFFERING BY THE
FUNDS OR BY THE DISTRIBUTOR IN ANY JURISDICTION IN WHICH SUCH OFFERING MAY NOT
LAWFULLY BE MADE.

                                      -1-
<PAGE>


                                     GENERAL


         The RBB Fund, Inc. ("RBB") is an open-end management investment company
currently operating or proposing to operate seventeen separate investment
portfolios. RBB was organized as a Maryland corporation on February 29, 1988.

         Capitalized terms used herein and not otherwise defined have the same
meanings as are given to them in the Prospectus.

COMMON INVESTMENT POLICIES -- MARKET NEUTRAL FUND AND LONG-SHORT EQUITY FUND

         The following supplements the information contained in the Prospectus
concerning the investment objectives and policies of, and techniques used by the
Funds.

         TEMPORARY INVESTMENTS. The short-term and medium-term debt securities
in which a Fund may invest for temporary defensive purposes consist of: (a)
obligations of the United States or foreign governments, their respective
agencies or instrumentalities; (b) bank deposits and bank obligations (including
certificates of deposit, time deposits and bankers' acceptances) of U.S. or
foreign banks denominated in any currency; (c) floating rate securities and
other instruments denominated in any currency issued by international
development agencies; (d) finance company and corporate commercial paper and
other short-term corporate debt obligations of U.S. and foreign corporations;
and (e) repurchase agreements with banks and broker-dealers with respect to such
securities.

         REPURCHASE AGREEMENTS. Each Fund may agree to purchase securities from
a bank or recognized securities dealer and simultaneously commit to resell the
securities to the bank or dealer at an agreed-upon date and price reflecting a
market rate of interest unrelated to the coupon rate or maturity of the
purchased securities ("repurchase agreements"). Such Fund would maintain custody
of the underlying securities prior to their repurchase; thus, the obligation of
the bank or dealer to pay the repurchase price on the date agreed to would be,
in effect, secured by such securities. If the value of such securities were less
than the repurchase price, plus interest, the other party to the agreement would
be required to provide additional collateral so that at all times the collateral
is at least equal to the repurchase price plus accrued interest. Default by or
bankruptcy of a seller would expose a Fund to possible loss because of adverse
market action, expenses and/or delays in connection with the disposition of the
underlying obligations. The financial institutions with which a Fund may enter
into repurchase agreements will be banks and non-bank dealers of U.S. Government
securities that are listed on the Federal Reserve Bank of New York's list of
reporting dealers, if such banks and non-bank dealers are deemed creditworthy by
the Fund's adviser. A Fund's adviser will continue to monitor creditworthiness
of the seller under a repurchase agreement, and will require the seller to
maintain during the term of the agreement the value of the securities subject to
the agreement to equal at least the repurchase price (including accrued
interest). In addition, the Fund's adviser will require that the value of this
collateral, after transaction costs (including loss of interest) 

                                      -2-

<PAGE>

reasonably expected to be incurred on a default, be equal to or greater than the
repurchase price (including accrued premium) provided in the repurchase
agreement or the daily amortization of the difference between the purchase price
and the repurchase price specified in the repurchase agreement. The Fund's
adviser will mark-to-market daily the value of the securities. There are no
percentage limits on a Fund's ability to enter into repurchase agreements.
Repurchase agreements are considered to be loans by the Fund under the 1940 Act.

         REVERSE REPURCHASE AGREEMENTS. Each Fund may enter into reverse
repurchase agreements with respect to portfolio securities for temporary
purposes (such as to obtain cash to meet redemption requests when the
liquidation of portfolio securities is deemed disadvantageous or inconvenient by
the Adviser). Reverse repurchase agreements involve the sale of securities held
by a Fund pursuant to such Fund's agreement to repurchase them at a mutually
agreed upon date, price and rate of interest. At the time a Fund enters into a
reverse repurchase agreement, it will establish and maintain a segregated
account with an approved custodian containing cash or liquid securities having a
value not less than the repurchase price (including accrued interest). The
assets contained in the segregated account will be marked-to-market daily and
additional assets will be placed in such account on any day in which the assets
fall below the repurchase price (plus accrued interest). A Fund's liquidity and
ability to manage its assets might be affected when it sets aside cash or
portfolio securities to cover such commitments. Reverse repurchase agreements
involve the risk that the market value of the securities retained in lieu of
sale may decline below the price of the securities a Fund has sold but is
obligated to repurchase. In the event the buyer of securities under a reverse
repurchase agreement files for bankruptcy or becomes insolvent, such buyer or
its trustee or receiver may receive an extension of time to determine whether to
enforce a Fund's obligation to repurchase the securities, and a Fund's use of
the proceeds of the reverse repurchase agreement may effectively be restricted
pending such decision. Reverse repurchase agreements are considered to be
borrowings under the 1940 Act. The Funds do not presently intend to invest more
than 5% of net assets in reverse repurchase agreements.

         ILLIQUID SECURITIES. Each Fund does not presently intend to invest more
than 15% of its net assets in illiquid securities (including repurchase
agreements which have a maturity of longer than seven days), including
securities that are illiquid by virtue of the absence of a readily available
market or legal or contractual restrictions on resale. The term "illiquid
securities" for this purpose means securities that cannot be disposed of within
seven days in the ordinary course of business at approximately the amount at
which the Fund has valued the securities. Such securities may include, among
other things, equity swaps, loan participations and assignments, options
purchased in the over-the-counter markets, repurchase agreements maturing in
more than seven days, structured notes and restricted securities other than Rule
144A securities that the Adviser has determined are liquid pursuant to
guidelines established by the Company's Board of Directors. Because of the
absence of any liquid trading market currently for these investments, a Fund may
take longer to liquidate these positions than would be the case for publicly
traded securities. Although these securities may be resold in privately
negotiated transactions, the prices realized on such sales could be less than
those originally paid by a Fund. Securities that have legal or contractual
restrictions on resale but have a readily available market are not considered
illiquid for purposes of this limitation. With respect to each Fund, repurchase
agreements subject to demand are deemed to have a maturity equal to the notice
period.

                                      -3-

<PAGE>

         Mutual funds do not typically hold a significant amount of restricted
or other illiquid securities because of the potential for delays on resale and
uncertainty in valuation. Limitations on resale may have an adverse effect on
the marketability of portfolio securities and a mutual fund might be unable to
dispose of restricted or other illiquid securities promptly or at reasonable
prices and might thereby experience difficulty satisfying redemptions within
seven days. A mutual fund might also have to register such restricted securities
in order to dispose of them, resulting in additional expense and delay. Adverse
market conditions could impede such a public offering of securities.

         If otherwise consistent with their investment objectives and
policies, the Funds may purchase securities that are not registered under the
Securities Act but which may be sold to "qualified institutional buyers" in
accordance with Rule 144A under the Securities Act. These securities will not be
considered illiquid so long as it is determined by the Adviser, under guidelines
approved by the Board of Directors, that an adequate trading market exists for
the securities. This investment practice could have the effect of increasing the
level of illiquidity in a Fund during any period that qualified institutional
buyers become uninterested in purchasing restricted securities.

         The Adviser will monitor the liquidity of restricted securities in a
Fund under the supervision of the Board of Directors. In reaching liquidity
decisions, the Adviser may consider, among others, the following factors: (1)
the unregistered nature of the security; (2) the frequency of trades and quotes
for the security; (3) the number of dealers wishing to purchase or sell the
security and the number of other potential purchasers; (4) dealer undertakings
to make a market in the security and (5) the nature of the security and the
nature of the marketplace trades (e.g., the time needed to dispose of the
security, the method of soliciting offers and the mechanics of the transfer).
Where there are no readily available market quotations, the security shall be
valued at fair value as determined in good faith by the Board of Directors of
the Company.

         SECURITIES OF UNSEASONED ISSUERS. With the exception of the Long-Short
Equity Fund's investments in the Market Neutral Fund, neither Fund will invest
in securities of unseasoned issuers, including equity securities of unseasoned
issuers which are not readily marketable, if the aggregate investment in such
securities would exceed 5% of such Fund's net assets. The term "unseasoned"
refers to issuers which, together with their predecessors, have been in
operation for less than three years.

         LENDING OF PORTFOLIO SECURITIES. To increase income on its investments,
a Fund may lend its portfolio securities with an aggregate value of up to 33
1/3% of its total assets (including the loan collateral) to broker/dealers and
other institutional investors. Each Fund may lend its portfolio securities on a
short or long term basis to broker-dealers or institutional investors that the
Adviser deems qualified, but only when the borrower maintains, with a Fund's
custodian, collateral either in cash or money market instruments, in an amount
at least equal to the market value of the securities loaned, plus accrued
interest and dividends, determined on a daily basis and adjusted accordingly.
Collateral for such loans may include cash, securities of the U.S. Government or
its agencies or instrumentalities or an irrevocable letter of credit issued by a
bank which is deemed creditworthy by the Adviser. In determining whether to lend


                                      -4-

<PAGE>

securities to a particular broker-dealer or institutional investor, the Adviser
will consider, and during the period of the loan will monitor, all relevant
facts and circumstances, including the creditworthiness of the borrower. Such
loans could involve risks of delay in receiving additional collateral in the
event the value of the collateral decreased below the value of the securities
loaned or of delay in recovering the securities loaned or even the loss of
rights in the collateral should the borrower of the securities fail financially.
Default by or bankruptcy of a borrower would expose the Funds to possible loss
because of adverse market action, expenses and/or delays in connection with the
disposition of the underlying securities.

         BORROWING. Each Fund may borrow up to 33 1/3 percent of its total
assets. The Adviser intends to borrow only for temporary or emergency purposes,
including to meet portfolio redemption requests so as to permit the orderly
disposition of portfolio securities, or to facilitate settlement transactions on
portfolio securities. Investments will not be made when borrowings exceed 5% of
a Fund's total assets. Although the principal of such borrowings will be fixed,
a Fund's assets may change in value during the time the borrowing is
outstanding. Each Fund expects that some of its borrowings may be made on a
secured basis. In such situations, either the custodian will segregate the
pledged assets for the benefit of the lender or arrangements will be made with a
suitable subcustodian, which may include the lender.

         U.S. GOVERNMENT SECURITIES. The U.S. Government securities in which a
Fund may invest include direct obligations of the U.S. Treasury (such as
Treasury bills, notes and bonds) and obligations issued by U.S. Government
agencies and instrumentalities, including securities that are supported by the
full faith and credit of the United States and securities that are supported
primarily or solely by the creditworthiness of the issuer (such as securities of
the Federal Home Loan Banks, the Student Loan Marketing Association and the
Tennessee Valley Authority).

         OPTIONS AND FUTURES CONTRACTS. The Funds may write covered call
options, buy put options, buy call options and write put options, without
limitation except as noted in this paragraph. Such options may relate to
particular securities or to various indexes and may or may not be listed on a
national securities exchange and issued by the Options Clearing Corporation.
These Funds may also invest in futures contracts and options on futures
contracts (index futures contracts or interest rate futures contracts, as
applicable) for hedging purposes (including currency hedging) or for other
purposes so long as aggregate initial margins and premiums required for
non-hedging positions do not exceed 5% of its net assets, after taking into
account any unrealized profits and losses on any such contracts it has entered
into. See Appendix "B" for a description of futures contracts and options on
futures contracts and the risks thereof.

         Options trading is a highly specialized activity which entails
greater than ordinary investment risks. Options on particular securities may be
more volatile than the underlying securities, and therefore, on a percentage
basis, an investment in the underlying securities themselves. A Fund will write
call options only if they are "covered." In the case of a call option on a
security, the option is "covered" if a Fund owns the security underlying the
call or has an absolute and immediate right to acquire that security without
additional cash consideration (or, if additional cash consideration is required,
liquid assets in such amount as are held in a segregated account by its
custodian) upon conversion or exchange of other securities held by it. 

                                      -5-

<PAGE>

For a call option on an index, the option is covered if a Fund maintains with
its custodian liquid assets equal to the contract value. A call option is also
covered if a Fund holds a call on the same security or index as the call written
where the exercise price of the call held is (i) equal to or less than the
exercise price of the call written, or (ii) greater than the exercise price of
the call written provided the difference is maintained by the Fund in liquid
assets in a segregated account with its custodian.

         When a Fund purchases a put option, the premium paid by it is recorded
as an asset of the Fund. When a Fund writes an option, an amount equal to the
net premium (the premium less the commission) received by the Fund is included
in the liability section of the Fund's statement of assets and liabilities as a
deferred credit. The amount of this asset or deferred credit will be
subsequently marked-to-market to reflect the current value of the option
purchased or written. The current value of the traded option is the last sale
price or, in the absence of a sale, the mean between the last bid and asked
prices. If an option purchased by a Fund expires unexercised the Fund realizes a
loss equal to the premium paid. If the Fund enters into a closing sale
transaction on an option purchased by it, the Fund will realize a gain if the
premium received by the Fund on the closing transaction is more than the premium
paid to purchase the option, or a loss if it is less. If an option written by a
Fund expires on the stipulated expiration date or if the Fund enters into a
closing purchase transaction, it will realize a gain (or loss if the cost of a
closing purchase transaction exceeds the net premium received when the option is
sold) and the deferred credit related to such option will be eliminated. If an
option written by a Fund is exercised, the proceeds of the sale will be
increased by the net premium originally received and the Fund will realize a
gain or loss.

         There are several risks associated with transactions in options on
securities and indexes. For example, there are significant differences between
the securities and options markets that could result in an imperfect correlation
between these markets, causing a given transaction not to achieve its
objectives. In addition, a liquid secondary market for particular options,
whether traded over-the-counter or on a national securities exchange
("Exchange"), may be absent for reasons which include the following: there may
be insufficient trading interest in certain options; restrictions may be imposed
by an Exchange on opening transactions or closing transactions or both; trading
halts, suspensions or other restrictions may be imposed with respect to
particular classes or series of options or underlying securities; unusual or
unforeseen circumstances may interrupt normal operations on an Exchange; the
facilities of an Exchange or the Options Clearing Corporation may not at all
times be adequate to handle current trading volume; or one or more Exchanges
could, for economic or other reasons, decide or be compelled at some future date
to discontinue the trading of options (or a particular class or series of
options), in which event the secondary market on that Exchange (or in that class
or series of options) would cease to exist, although outstanding options that
had been issued by the Options Clearing Corporation as a result of trades on
that Exchange would continue to be exercisable in accordance with their terms.

         SHORT SALES. The Market Neutral Fund will seek, and the Long-Short
Equity Fund may seek, to realize additional gains through short sales. Short
sales are transactions in which a Fund sells a security it does not own, in
anticipation of a decline in the value of that security relative to the long
positions held by the Fund. To complete such a transaction, a Fund 

                                      -6-

<PAGE>

must borrow the security to make delivery to the buyer. A Fund then is obligated
to replace the security borrowed by purchasing it at the market price at or
prior to the time of replacement. The price at such time may be more or less
than the price at which the security was sold by a Fund. Until the security is
replaced, a Fund is required to repay the lender any dividends or interest that
accrue during the period of the loan. To borrow the security, a Fund also may be
required to pay a premium, which would increase the cost of the security sold.
The net proceeds of the short sale will be retained by the broker (or by the
Fund's custodian in a special custody account), to the extent necessary to meet
margin requirements, until the short position is closed out. A Fund also will
incur transaction costs in effecting short sales.

         A Fund will incur a loss as a result of the short sale if the price of
the security increases between the date of the short sale and the date on which
the Fund replaces the borrowed security. A Fund will realize a gain if the
security declines in price between those dates. The amount of any gain will be
decreased, and the amount of any loss increased, by the amount of the premium,
dividends, interest or expenses a Fund may be required to pay in connection with
a short sale. An increase in the value of a security sold short by a Fund over
the price at which it was sold short will result in a loss to the Fund, and
there can be no assurance that the Fund will be able to close out the position
at any particular time or at an acceptable price.

         Each Fund may engage in short sales if at the time of the short sale it
owns or has the right to obtain, at no additional cost, an equal amount of the
security being sold short. This investment technique is known as a short sale
"against the box."

         EUROPEAN CURRENCY UNIFICATION. Many European countries are adopting a
single European currency, the euro. On January 1, 1999, the euro became legal
tender for all countries participating in the Economic and Monetary Union
("EMU"). A new European Central Bank was created to manage the monetary policy
of the new unified region. On the same date, the exchange rates were irrevocably
fixed between the EMU member countries. National currencies will continue to
circulate until they are replaced by euro coins and bank notes by the middle of
2002.

         This change is likely to significantly impact the European capital
markets in which the Funds may invest and may result in the Funds facing
additional risks in pursuing their respective investment objectives. These
risks, which include, but are not limited to, uncertainty as to the proper tax
treatment of the currency conversion, volatility of currency exchange rates as a
result of the conversion, uncertainty as to capital market reaction, conversion
costs that may affect issuer profitability and creditworthiness, and lack of
participation by some European countries, may increase the volatility of each
Fund's respective net asset value per share.

         SECTION 4(2) PAPER. "Section 4(2) paper" is commercial paper which is
issued in reliance on the "private placement" exemption from registration which
is afforded by Section 4(2) of the Securities Act of 1933. Section 4(2) paper is
restricted as to disposition under the federal securities laws and is generally
sold to institutional investors such as the Company which agree that they are
purchasing the paper for investment and not with a view to public distribution.
Any resale by the purchaser must be in an exempt transaction. Section 4(2) paper
normally is resold to other institutional investors through or with the
assistance of investment dealers who 

                                      -7-

<PAGE>

make a market in the Section 4(2) paper, thereby providing liquidity. See
"Illiquid Securities" above. See Appendix "A" for a list of commercial paper
ratings.


                       SUPPLEMENTAL INVESTMENT POLICIES -
                             LONG-SHORT EQUITY FUND

         S&P 500 INDEX FUTURES AND RELATED OPTIONS. An S&P 500 Index Future
contract (an "Index Future") is a contract to buy or sell an integral number of
units of the Standard & Poor's 500 Composite Stock Price Index (the "S&P 500
Index") at a specified future date at a price agreed upon when the contract is
made. A unit is the value of the S&P 500 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 the S&P 500 Index.

         Index Futures can be traded through all major commodity brokers.
Currently, contracts are expected to expire on the tenth day of March, June,
September and December. The Long-Short Equity 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.

         In contrast to purchases of a common stock, no price is paid or
received by the Long-Short Equity Fund upon the purchase of a futures contract.
Upon entering into a futures contract, the 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(s) 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 S&P 500 Index fluctuates, making the position in the futures
contract more or less valuable, a process known as "marking to the market". For
example, when the Fund has purchased an Index Future and the price of the S&P
500 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 the Fund has purchased an Index Future and the price
of the S&P 500 Index has declined, the position would be less valuable and the
Fund would be required to make a variation margin payment to the broker. When
the Fund terminates a position in a futures contract, a final determination of
variation margin is made, additional cash is paid by or to the Fund, and the
Fund realizes a gain or a loss.

         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 

                                      -8-

<PAGE>

deposit requirements, investors may close futures contracts through offsetting
transactions which could distort the normal relationship between the S&P 500
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.

         Options on index futures contracts give the purchaser the right, in
return for the premium paid, to assume a position in an index futures contract
(a long position if the option is a call and a short position if the option is a
put) at a specified exercise price at any time during the period of the option.
Upon exercise of the option, the holder would assume the underlying futures
position and would receive a variation margin payment of cash or securities
approximating the increase in the value of the holder's option position. If an
option is exercised on the last trading day prior to the expiration date of the
option, the settlement will be made entirely in cash based on the difference
between the exercise price of the option and the closing level of the index on
which the futures contract is based on the expiration date. Purchasers of
options who fail to exercise their options prior to the exercise date suffer a
loss of the premium paid.

         The ability to establish and close out positions in options on futures
contracts will be subject to the development and maintenance of a liquid
secondary market. It is not certain that such a market will develop. Although
the Long-Short Equity Fund generally will purchase only those options for which
there appears to be an active secondary market, there is no assurance that a
liquid secondary market on an exchange will exist for any particular option or
at any particular time. In the event no such market exists for particular
options, it might not be possible to effect closing transactions in such
options, with the result that the Fund would have to exercise the options in
order to realize any profit.


                             INVESTMENT LIMITATIONS

         The Company has adopted the following fundamental investment
limitations which may not be changed without the affirmative vote of the holders
of a majority of each Fund's outstanding Shares (as defined in Section 2(a)(42)
of the 1940 Act). Neither Fund may:

         1. Borrow money, except from banks, and only if after such borrowing
there is asset coverage of at least 300% for all borrowings of the Fund; or
mortgage, pledge or hypothecate any of its assets except in connection with any
such borrowing and in amounts not in excess of the lesser of the dollar amounts
borrowed or 33 1/3% of the value of the Fund's total assets at the time of such
borrowing, provided that: (a) short sales and related borrowings of securities
are not subject to this restriction; and, (b) for the purposes of this
restriction, collateral arrangements with respect to options, short sales, stock
index, interest rate, currency or other futures, options on futures contracts,
collateral arrangements with respect to initial and variation margin and
collateral arrangements with respect to swaps and other derivatives are not
deemed to be a pledge or other encumbrance of assets.

                                      -9-

<PAGE>

         2. Issue any senior securities, except as permitted under the 1940 Act;

         3. Act as an underwriter of securities within the meaning of the
Securities Act except insofar as it might be deemed to be an underwriter upon
disposition of certain portfolio securities acquired within the limitation on
purchases of restricted securities;

         4. Purchase or sell real estate (including real estate limited
partnership interests), provided that a Fund may invest in securities secured by
real estate or interests therein or issued by companies that invest in real
estate or interests therein;

         5. Purchase or sell commodities or commodity contracts, except that a
Fund may deal in forward foreign exchange transactions between currencies of the
different countries in which it may invest and purchase and sell stock index and
currency options, stock index futures, financial futures and currency futures
contracts and related options on such futures;

         6. Make loans, except through loans of portfolio instruments and
repurchase agreements, provided that for purposes of this restriction the
acquisition of bonds, debentures or other debt instruments or interests therein
and investment in government obligations, Loan Participations and Assignments,
short-term commercial paper, certificates of deposit and bankers' acceptances
shall not be deemed to be the making of a loan; and

         7. Purchase any securities which would cause 25% or more of the value
of the Fund's total assets at the time of purchase to be invested in the
securities of one or more issuers conducting their principal business activities
in the same industry, provided that (a) there is no limitation with respect to
(i) instruments issued or guaranteed by the United States, any state, territory
or possession of the United States, the District of Columbia or any of their
authorities, agencies, instrumentalities or political subdivisions, and (ii)
repurchase agreements secured by the instruments described in clause (i); (b)
wholly-owned finance companies will be considered to be in the industries of
their parents if their activities are primarily related to financing the
activities of the parents; and (c) utilities will be divided according to their
services, for example, gas, gas transmission, electric and gas, electric and
telephone will each be considered a separate industry.

         For purposes of Investment Limitation No. 1, collateral arrangements
with respect to, if applicable, the writing of options, futures contracts,
options on futures contracts, forward currency contracts and collateral
arrangements with respect to initial and variation margin are not deemed to be a
pledge of assets and neither such arrangements nor the purchase or sale of
futures or related options are deemed to be the issuance of a senior security
for purposes of Investment Limitation No. 2.

         In addition to the fundamental investment limitations specified above,
neither Fund may:

         1. Make investments for the purpose of exercising control or
management, but investments by a Fund in wholly-owned investment entities
created under the laws of certain 

                                      -10-

<PAGE>

countries will not be deemed the making of investments for the purpose of
exercising control or management;

         2. Purchase securities on margin, except for short-term credits
necessary for clearance of portfolio transactions, and except that a Fund may
make margin deposits in connection with its use of options, futures contracts,
options on futures contracts and forward contracts;

         The policies set forth above are not fundamental and thus may be
changed by the Company's Board of Directors without a vote of the shareholders.

         Securities held by a Fund generally may not be purchased from, sold or
loaned to the Adviser or its affiliates or any of their directors, officers or
employees, acting as principal, unless pursuant to a rule or exemptive order
under the 1940 Act.


                                  RISK FACTORS

         FOREIGN SECURITIES. Investments in foreign securities are subject to
certain risks, discussed below.

         Since the securities of foreign companies are frequently denominated in
foreign currencies, the Funds may be affected favorably or unfavorably by
changes in currency rates and in exchange control regulations, and may incur
costs in connection with conversions between various currencies.

         As foreign companies are not generally subject to uniform accounting,
auditing and financial reporting standards and they may have policies that are
not comparable to those of domestic companies, there may be less information
available about certain foreign companies than about domestic companies.
Securities of some foreign companies are generally less liquid and more volatile
than securities of comparable domestic companies. There is generally less
government supervision and regulation of stock exchanges, brokers and listed
companies than in the U.S. In addition, with respect to certain foreign
countries, there is the possibility of expropriation or confiscatory taxation,
political or social instability, or diplomatic developments which could affect
U.S. investments in those countries.

         Although the Funds will endeavor to achieve the most favorable
execution costs in their portfolio transactions, fixed commissions on many
foreign stock exchanges are generally higher than negotiated commissions on U.S.
exchanges.

         Certain foreign governments levy withholding taxes on dividend and
interest income. Although in some countries a portion of these taxes is
recoverable, the non-recoverable portion of foreign withholding taxes will
reduce the income received from the companies in which the Funds invest.
However, these foreign withholding taxes are not expected to have a significant
impact.

                                      -11-

<PAGE>

         REPORTING STANDARDS. Most of the foreign securities held by the Funds
will not be registered with the SEC, nor will the issuers thereof be subject to
SEC or other U.S. reporting requirements. Accordingly, there will be less
publicly available information concerning foreign issuers of securities held by
the Fund than will be available concerning U.S. companies. Foreign companies,
and in particular, companies in emerging markets, are not generally subject to
uniform accounting, auditing and financial reporting standards or to other
regulatory requirements comparable to those applicable to U.S. companies.

         EXCHANGE RATE FLUCTUATIONS. Because foreign securities ordinarily will
be denominated in currencies other than the U.S. dollar, changes in foreign
currency exchange rates will affect a Fund's net asset value, the value of
interest and dividends earned, gains and losses realized on the sale of
securities and net investment income and capital gain, if any, to be distributed
to shareholders by a Fund. If the value of a foreign currency rises against the
U.S. dollar, the value of a Fund's assets denominated in that currency will
increase; conversely, if the value of a foreign currency declines against the
U.S. dollar, the value of a Fund's assets denominated in that currency will
decrease. The exchange rates between the U.S. dollar and other currencies are
determined by supply and demand in the currency exchange markets, international
balances of payments, government intervention, speculation and other economic
and political conditions.

         OPERATING EXPENSES. The costs attributable to foreign investing that a
Fund must bear frequently are higher than those attributable to domestic
investing. For example, the cost of maintaining custody of foreign securities
exceeds custodian costs for domestic securities. Investment income on certain
foreign securities in which a Fund may invest may be subject to foreign
withholding or other taxes that could reduce the return on those securities. Tax
treaties between the United States and foreign countries however, may reduce or
eliminate the amount of foreign tax to which a Fund would be subject.

                                      -12-


<PAGE>

                             DIRECTORS AND OFFICERS

         The directors and executive officers of RBB, their ages, business
addresses and principal occupations during the past five years are:


<TABLE>
<CAPTION>
                                         Position               Principal Occupation
Name and Address and Age                 With Fund              During Past Five Years
- ------------------------                 ---------              ----------------------
<S>                                      <C>                    <C>
*Arnold M. Reichman -50                  Director               Chief Operating Officer of Warburg
466 Lexington  Avenue                                           Pincus Asset Management, Inc.; Executive
New York, NY 10017                                              Officer and Director of Counsellors
                                                                Securities Inc.; Director/Trustee of
                                                                various investment companies advised by
                                                                Warburg Pincus Asset Management, Inc.;
                                                                Prior to 1997, Managing Director of
                                                                Warburg Pincus Asset Management, Inc.
                                                               
*Robert Sablowsky -60                    Director               Senior Vice President of Fahnestock Co.,
Fahnestock & Company, Inc.                                      Inc. (a registered broker-dealer); Prior
125 Broad Street                                                to October 1996, Executive Vice
New York, NY 10004                                              President of Gruntal & Co., Inc. (a
                                                                registered broker-dealer).
                                                               
Francis J. McKay -62                     Director               Since 1963, Executive Vice President,
Fox Chase Cancer Institute                                      Fox Chase Cancer Center (biomedical
7701 Burholme Avenue                                            research and medical care).
Philadelphia, PA 19111                                         
                                                               
Marvin E. Sternberg -64                  Director               Since 1974, Chairman, Director and
Moyco Technologies, Inc.                                        President, Moyco Industries, Inc.
200 Commerce Drive                                              (manufacturer of dental supplies and
Montgomeryville, PA  18936                                      precision coated abrasives).
                                                               
Julian A. Brodsky -65                    Director               Director and Vice Chairman since 1969 
1500 Market Street                                              Comcast Corporation (cable television 
35th Floor                                                      and communications); Director, Comcast U.K.
Philadelphia, PA 19102                                         
</TABLE>
                                                               
                                      -13-

<PAGE>

<TABLE>
<CAPTION>
                                         Position               Principal Occupation
Name and Address and Age                 With Fund              During Past Five Years
- ------------------------                 ---------              ----------------------
<S>                                      <C>                    <C>
Donald van Roden -74                     Director               Self-employed businessman. From
1200 Old Mill Lane                       and Chairman of        February 1980 to March 1987, Vice
Wyomissing, PA  19610                    the Board              Chairman, SmithKline Beecham Corporation
                                                                (pharmaceuticals); Director, AAA
                                                                Mid-Atlantic (auto service); Director,
                                                                Keystone Insurance Co.
                                                               
Edward J. Roach -74                      President              Certified Public Accountant; Vice
Suite 100                                and                    Chairman of the Board, Fox Chase Cancer
Bellevue Park                            Treasurer              Center; Trustee Emeritus, Pennsylvania
Corporate Center                                                School for the Deaf; Trustee Emeritus,
400 Bellevue Parkway                                            Immaculata College; President, Vice
Wilmington, DE  19809                                           President or Treasurer of various
                                                                investment companies advised by
                                                                BlackRock Institutional Management
                                                                Corporation; Treasurer of the Chestnut
                                                                Street Exchange Fund.
                                                               
Morgan R. Jones -59                      Secretary              Chairman of the law firm of Drinker
Drinker Biddle & Reath LLP                                      Biddle & Reath LLP; Director.
1345 Chestnut Street                                           
Philadelphia, PA 19107-3496                                    
                                                               
Michael P. Malloy - 39                   Assistant Secretary    Partner of the law firm of Drinker
Drinker Biddle & Reath LLP                                      Biddle & Reath LLP.
1345 Chestnut Street                                           
Philadelphia, PA  19107-3496                                  
</TABLE>

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

* Each of Mr. Sablowsky and Mr. Reichman is an "interested person" of RBB, as
  that term is defined in the 1940 Act, by virtue of their respective positions
  with Fahnestock Co., Inc. and Counsellors Securities, Inc., each a registered
  broker-dealer.

         Messrs. McKay, Sternberg and Brodsky are members of the Audit Committee
of the Board of Directors. The Audit Committee, among other things, reviews
results of the annual audit and recommends to RBB the firm to be selected as
independent auditors.

                                      -14-

<PAGE>
         Messrs. Reichman, McKay and van Roden are members of the Executive
Committee of the Board of Directors. The Executive Committee may generally carry
on and manage the business of RBB when the Board of Directors is not in session.

         Messrs. McKay, Sternberg, Brodsky and van Roden are members of the
Nominating Committee of the Board of Directors. The Nominating Committee
recommends to the Board all persons to be nominated as directors of RBB.

         RBB pays directors who are not "affiliated persons" (as that term is
defined in the 1940 Act) of any investment adviser or sub-adviser of the Fund or
the Distributor and Mr. Sablowsky, who is considered to be an affiliated person,
$12,000 annually and $1,250 per meeting of the Board or any committee thereof
that is not held in conjunction with a Board meeting. In addition, the Chairman
of the Board receives an additional fee of $6,000 per year for his services in
this capacity. Directors who are not affiliated persons of RBB and Mr. Sablowsky
are reimbursed for any expenses incurred in attending meetings of the Board of
Directors or any committee thereof. For the year ended August 31, 1998, each of
the following members of the Board of Directors received compensation from RBB
in the following amounts:


                             DIRECTORS' COMPENSATION

                                              PENSION
                                              RETIREMENT
                            AGGREGATE         BENEFITS ACCRUED   ESTIMATED
                            COMPENSATION      AS PART OF FUND    ANNUAL BENEFITS
NAME OF PERSON/ POSITION    FROM REGISTRANT   EXPENSES           UPON RETIREMENT
                ---------        ----------   --------                ----------
Julian A. Brodsky,             $16,000             N/A                N/A
Director                                                         
Francis J. McKay,              $18,000             N/A                N/A
Director                                                         
Arnold M. Reichman,            $  0                N/A                N/A
Director                                                         
Robert Sablowsky,              $18,000             N/A                N/A
Director
Marvin E. Sternberg,           $17,000             N/A                N/A
Director
Donald van Roden,              $23,000             N/A                N/A
Director and Chairman

         On October 24, 1990 RBB adopted, as a participating employer, the Fund
Office Retirement Profit-Sharing Plan and Trust Agreement, a retirement plan for
employees (currently Edward J. Roach), pursuant to which RBB will contribute on
a quarterly basis amounts equal to 10% of the quarterly compensation of each
eligible employee. By virtue of the services performed by RBB's advisers,
custodians, administrators and distributor, RBB itself requires only one
part-time employee. Drinker Biddle & Reath LLP, of which Messrs.

                                      -15-

<PAGE>

Jones and Malloy are partners, receives legal fees as counsel to RBB. No
officer, director or employee of Boston Partners Asset Management, L.P. ("Boston
Partners" or the "Adviser") or the Distributor currently receives any
compensation from RBB.


                        INVESTMENT ADVISORY, DISTRIBUTION
                           AND SERVICING ARRANGEMENTS

         ADVISORY AGREEMENT. Boston Partners renders advisory services to the
Market Neutral and Long-Short Equity Funds pursuant to Investment Advisory
Agreements dated November 13, 1998 and June 1, 1999, respectively (the "Advisory
Agreement"). Boston Partners' general partner is Boston Partners, Inc.

         Boston Partners has investment discretion for the Funds and will make
all decisions affecting assets in the Funds under the supervision of RBB's Board
of Directors and in accordance with the Funds' stated policies. Boston Partners
will select investments for the Funds. For its services to each Fund, Boston
Partners is entitled to receive a monthly advisory fee under the Advisory
Agreement computed at an annual rate of 2.25% and 0.10% of the Market Neutral
Fund's and the Long-Short Equity Fund's respective average daily net assets.
Boston Partners is currently waiving advisory fees in excess of 1.85% and 0.00%
of the Market Neutral Fund's and the Long-Short Equity Fund's respective average
daily net assets.

         Each class of the Funds bears its own expenses not specifically assumed
by Boston Partners. General expenses of RBB not readily identifiable as
belonging to a portfolio of RBB are allocated among all investment portfolios by
or under the direction of RBB's Board of Directors in such manner as the Board
determines to be fair and equitable. Expenses borne by a portfolio include, but
are not limited to, the following (or a portfolio's share of the following): (a)
the cost (including brokerage commissions) of securities purchased or sold by a
portfolio and any losses incurred in connection therewith; (b) fees payable to
and expenses incurred on behalf of a portfolio by Boston Partners; (c) any
costs, expenses or losses arising out of a liability of or claim for damages or
other relief asserted against RBB or a portfolio for violation of any law; (d)
any extraordinary expenses; (e) fees, voluntary assessments and other expenses
incurred in connection with membership in investment company organizations; (f)
the cost of investment company literature and other publications provided by RBB
to its directors and officers; (g) organizational costs; (h) fees to the
investment adviser and PFPC; (i) fees and expenses of officers and directors who
are not affiliated with a portfolios' investment adviser or Distributor; (j)
taxes; (k) interest; (l) legal fees; (m) custodian fees; (n) auditing fees; (o)
brokerage fees and commissions; (p) certain of the fees and expenses of
registering and qualifying the Funds and their shares for distribution under
federal and state securities laws; (q) expenses of preparing prospectuses and
statements of additional information and distributing annually to existing
shareholders that are not attributable to a particular class of shares of RBB;
(r) the expense of reports to shareholders, shareholders' meetings and proxy
solicitations that are not attributable to a particular class of shares of RBB;
(s) fidelity bond and directors' and officers' liability insurance premiums; (t)
the expense of using independent pricing services; and (u) other expenses which
are not expressly assumed by a portfolio's investment adviser under its advisory
agreement with the portfolio. Each class of the Funds pays its own distribution
fees, if 

                                      -16-

<PAGE>

applicable, and may pay a different share than other classes of other expenses
(excluding advisory and custodial fees) if those expenses are actually incurred
in a different amount by such class or if it receives different services.

         Under the Advisory Agreement, Boston Partners will not be liable for
any error of judgment or mistake of law or for any loss suffered by the Fund or
RBB in connection with the performance of the Advisory Agreement, except a loss
resulting from willful misfeasance, bad faith or gross negligence on the part of
Boston Partners in the performance of its duties or from reckless disregard of
its duties and obligations thereunder.

         The Advisory Agreement was most recently approved on July 29, 1998 by
vote of RBB's Board of Directors, including a majority of those directors who
are not parties to the Advisory Agreement or interested persons (as defined in
the 1940 Act) of such parties. The Advisory Agreement was approved by the
initial shareholder of each class of each Fund. The Advisory Agreement is
terminable by vote of RBB's Board of Directors or by the holders of a majority
of the outstanding voting securities of a Fund, at any time without penalty, on
60 days' written notice to Boston Partners. The Advisory Agreement may also be
terminated by Boston Partners on 60 days' written notice to RBB. The Advisory
Agreement terminates automatically in the event of its assignment.

         CUSTODIAN AND TRANSFER AGENCY AGREEMENTS. PFPC Trust Company serves as
the Funds' custodian pursuant to a custodian agreement between the Company and
PNC Bank, N.A. ("PNC Bank") dated August 16, 1988, as amended (the "Custodian
Agreement"), and as assigned to PFPC Trust Company. Under the Custodian
Agreement, PFPC Trust Company (a) maintains a separate account or accounts in
the name of each Fund (b) holds and transfers portfolio securities on account of
each Fund, (c) accepts receipts and makes disbursements of money on behalf of
the Funds, (d) collects and receives all income and other payments and
distributions on account of the Funds' portfolio securities and (e) makes
periodic reports to RBB's Board of Directors concerning the Funds' operations.
PFPC Trust Company is authorized to select one or more banks or trust companies
to serve as sub-custodian on behalf of the Funds, provided that PFPC Trust
Company remains responsible for the performance of all of its duties under the
Custodian Agreement and holds each Fund harmless from the acts and omissions of
any sub-custodian

         PFPC Inc. ("PFPC"), an affiliate of PNC Bank, serves as the transfer
and dividend disbursing agent for the Funds pursuant to a Transfer Agency
Agreement dated November 5, 1991, as supplemented (the "Transfer Agency
Agreement"), under which PFPC (a) issues and redeems shares of the Funds, (b)
addresses and mails all communications by the Funds to record owners of the
Shares, including reports to shareholders, dividend and distribution notices and
proxy materials for its meetings of shareholders, (c) maintains shareholder
accounts and, if requested, sub-accounts and (d) makes periodic reports to RBB's
Board of Directors concerning the operations of the Funds. PFPC may, on 30 days'
notice to RBB, assign its duties as transfer and dividend disbursing agent to
any other affiliate of PNC Bank Corp.

         ADMINISTRATION AGREEMENT. PFPC serves as administrator to the Market
Neutral and Long-Short Equity Funds pursuant to Administration and Accounting
Services Agreement, 

                                      -17-

<PAGE>

as amended (the "Administration Agreement"), dated November 13, 1998 and June 1,
1999, respectively. PFPC has agreed to furnish to the Funds statistical and
research data, clerical, accounting and bookkeeping services, and certain other
services required by the Funds. In addition, PFPC has agreed, among other
things, to prepare and file (or assist in the preparation of) certain reports
with the Securities and Exchange Commission and other regulatory agencies. For
its services to the Funds, PFPC is entitled to receive a fee calculated at an
annual rate of .125% of each Fund's average daily net assets, with a minimum
annual fee of $75,000 payable monthly on a pro rata basis. PFPC is currently
waiving one-half of its minimum annual fee.

         The Administration Agreement provides that PFPC shall not be liable for
any error of judgment or mistake of law or any loss suffered by RBB or the Funds
in connection with the performance of the agreement, except a loss resulting
from willful misfeasance, gross negligence or reckless disregard by it of its
duties and obligations thereunder.

         DISTRIBUTION AGREEMENT. Provident Distributors, Inc. ("Distributor")
serves as the Funds' Distributor pursuant to the terms of a distribution
agreement, dated as of May 29, 1998 (the "Distribution Agreement"), entered into
by the Distributor and RBB, and a Plan of Distribution for the Investor Classes
(the "Plan"), which was adopted by RBB in the manner prescribed by Rule 12b-1
under the 1940 Act, the Distributor will use appropriate efforts to solicit
orders for the sale of Fund Shares. As compensation for its distribution
services, the Distributor receives, pursuant to the terms of the Distribution
Agreement, a distribution fee under the Plan, to be calculated daily and paid
monthly by the Investor Classes at the annual rate set forth in the Prospectus.

         On July 29, 1998, the Plan was approved by RBB's Board of Directors,
including the directors who are not "interested persons" of RBB and who have no
direct or indirect financial interest in the operation of the Plan or any
agreements related to the Plan ("12b-1 Directors"). RBB believes that the Plan
may benefit the Fund by increasing sales of Fund shares.

         Among other things, the Plan provides that: (1) the Distributor shall
be required to submit quarterly reports to the directors of RBB regarding all
amounts expended under the Plan and the purposes for which such expenditures
were made, including commissions, advertising, printing, interest, carrying
charges and any allocated overhead expenses; (2) the Plan will continue in
effect only so long as it is approved at least annually, and any material
amendment thereto is approved, by a majority of RBB's directors, including the
12b-1 Directors, acting in person at a meeting called for said purpose; (3) the
compensation payable to the Distributor pursuant to the Plan shall not be
materially increased without approval by a vote of at least a majority of the
Funds' outstanding shares; and (4) while the Plan remains in effect, the
selection and nomination of RBB's directors who are not "interested persons" of
RBB (as defined in the 1940 Act) shall be committed to the discretion of such
directors who are not "interested persons" of RBB.

         Each of Messrs. Reichman and Sablowsky, directors of RBB, has an
indirect financial interest in the operation of the Plans by virtue of his
position with Counsellors Securities, Inc. and Fahnestock Co., Inc.,
respectively, both of which are broker-dealers.

                                      -18-
<PAGE>

         ADMINISTRATIVE SERVICES AGENT. Provident Distributors, Inc. ("PDI")
provides certain administrative services to the Institutional Classes of the
Funds that are not provided by PFPC, pursuant to an Administrative Services
Agreement, dated May 29, 1998, between RBB and PDI. These services include
furnishing data processing and clerical services, acting as liaison between the
Funds and various service providers and coordinating the preparation of annual,
semi-annual and quarterly reports. As compensation for such administrative
services, PDI is entitled to a monthly fee calculated at the annual rate of .15%
of each Fund's average daily net assets. PDI is currently waiving fees in excess
of .03% of each fund's average daily net assets.


                             PORTFOLIO TRANSACTIONS

         Subject to policies established by the Board of Directors, Boston
Partners is responsible for the execution of portfolio transactions and the
allocation of brokerage transactions for the Funds. In purchasing and selling
portfolio securities, Boston Partners seeks to obtain the best net price and the
most favorable execution of orders. To the extent that the execution and price
offered by more than one broker/dealer are comparable, the Adviser may effect
transactions in portfolio securities with broker/dealers who provide research,
advice or other services such as market investment literature.

         Investment decisions for each Fund and for other investment accounts
managed by Boston Partners are made independently of each other in the light of
differing conditions. However, the same investment decision may be made for two
or more of such accounts. In such cases, simultaneous transactions are
inevitable. Purchases or sales are then averaged as to price and allocated as to
amount according to a formula deemed equitable to each such account. While in
some cases this practice could have a detrimental effect upon the price or value
of the security as far as a Fund is concerned, in other cases it is believed to
be beneficial to a particular Fund.


                       PURCHASE AND REDEMPTION INFORMATION

         RBB reserves the right, if conditions exist which make cash payments
undesirable, to honor any request for redemption or repurchase of a Fund's
shares by making payment in whole or in part in securities chosen by RBB and
valued in the same way as they would be valued for purposes of computing a
Fund's net asset value. If payment is made in securities, a shareholder may
incur transaction costs in converting these securities into cash. RBB has
elected, however, to be governed by Rule 18f-1 under the 1940 Act so that the
Funds are obligated to redeem their shares solely in cash up to the lesser of
$250,000 or 1% of their respective net asset values during any 90-day period for
any one shareholder of a Fund.

         Under the 1940 Act, RBB may suspend the right to redemption or postpone
the date of payment upon redemption for any period during which the New York
Stock Exchange, Inc. (the "NYSE") is closed (other than customary weekend and
holiday closings), or during which trading on the NYSE is restricted, or during
which (as determined by the SEC by rule or regulation) an emergency exists as a
result of which disposal or valuation of portfolio securities 

                                      -19-

<PAGE>

is not reasonably practicable, or for such other periods as the SEC may permit.
(RBB may also suspend or postpone the recordation of the transfer of its shares
upon the occurrence of any of the foregoing conditions.)

         The computation of the offering price per share of an Institutional and
Investor Share of the Market Neutral Fund based on the value of the Fund's net
assets as of February 28, 1999 and number of Institutional and Investor Shares
outstanding is as follows:


                       BOSTON PARTNERS MARKET NEUTRAL FUND

                                       INSTITUTIONAL SHARES    INVESTOR SHARES

Net Assets.............................       $903,214              $222,103

Outstanding Shares.....................         99,500                24,429

Net Asset Value
 per Share.............................          $9.08                 $9.09

Maximum Sales Charge...................             0%                    0%

Maximum Offering Price
  to Public............................          $9.08                 $9.09

         The computation of the hypothetical offering price per share of an
Institutional and Investor Share of the Long-Short Equity Fund based on the
projected value of the Fund's estimated net assets and number of Institutional
and Investor Shares outstanding is as follows:

                     BOSTON PARTNERS LONG-SHORT EQUITY FUND

                                       INSTITUTIONAL SHARES    INVESTOR SHARES

Net Assets.............................         $10.00                $10.00

Outstanding Shares.....................              1                     1

Net Asset Value
 per Share.............................         $10.00                $10.00

Maximum Sales Charge...................             0%                    0%

Maximum Offering Price
  to Public............................         $10.00                $10.00

                                      -20-
<PAGE>

                               VALUATION OF SHARES

         The net asset value per share of each class of the Funds is calculated
as of the close of the NYSE, generally 4:00 p.m. Eastern Time on each Business
Day. "Business Day" means each weekday when the NYSE is open. Currently, the
NYSE is closed on New Year's Day, Dr. Martin Luther King, Jr. Day, Presidents'
Day, Good Friday, Memorial Day, Independence Day, Labor Day, Thanksgiving Day
and Christmas Day and on the preceding Friday and subsequent Monday when one of
these holidays falls on Saturday or Sunday. Net asset value per share, the value
of an individual share in a Fund, is computed by adding the value of the
proportionate interest of each class in a Fund's securities, cash and other
assets, subtracting the actual and accrued liabilities of the class, and
dividing the result by the number of outstanding shares of the class. The net
asset value of each class is calculated independently of the other classes.
Securities that are listed on stock exchanges are valued at the last sale price
on the day the securities are valued or, lacking any sales on such day, at the
mean of the bid and asked prices available prior to the evaluation. In cases
where securities are traded on more than one exchange, the securities are
generally valued on the exchange designated by the Board of Directors as the
primary market. Securities traded in the over-the-counter market and listed on
the National Association of Securities Dealers Automatic Quotation System
("NASDAQ") are valued at the last trade price listed on the NASDAQ at the close
of regular trading (generally 4:00 p.m. Eastern Time); securities listed on
NASDAQ for which there were no sales on that day and other over-the-counter
securities are valued at the mean of the bid and asked prices available prior to
valuation. Securities for which market quotations are not readily available are
valued at fair value as determined in good faith by or under the direction of
RBB's Board of Directors. The amortized cost method of valuation may also be
used with respect to debt obligations with sixty days or less remaining to
maturity.

         In determining the approximate market value of portfolio investments,
each Fund may employ outside organizations, which may use a matrix or formula
method that takes into consideration market indices, matrices, yield curves and
other specific adjustments. This may result in the securities being valued at a
price different from the price that would have been determined had the matrix or
formula method not been used. All cash, receivables and current payables are
carried on a Fund's books at their face value. Other assets, if any, are valued
at fair value as determined in good faith by RBB's Board of Directors.


                        PERFORMANCE AND YIELD INFORMATION

         TOTAL RETURN. Each Fund may from time to time advertise its "average
annual total return." Each Fund computes such return separately for each class
of shares by determining the average annual compounded rate of return during
specified periods that equates the initial amount invested to the ending
redeemable value of such investment according to the following formula:

                                      -21-
<PAGE>

                                      ERV
                                T = [(-----)1/n - 1]
                                      P

         Where: T = average annual total return;

                ERV = ending redeemable value of a hypothetical
                      $1,000 payment made at the beginning of the
                      1, 5 or 10 year (or other) periods at the
                      end of the applicable period (or a
                      fractional portion thereof);

                  P = hypothetical initial payment of $1,000; and

                  n = period covered by the computation, expressed in years.

         Each Fund, when advertising its "aggregate total return," computes such
returns separately for each class of shares by determining the aggregate
compounded rates of return during specified periods that likewise equate the
initial amount invested to the ending redeemable value of such investment. The
formula for calculating aggregate total return is as follows:

                             ERV
Aggregate Total Return =   [(-----) - 1]
                              P

         The calculations are made assuming that (1) all dividends and capital
gain distributions are reinvested on the reinvestment dates at the price per
share existing on the reinvestment date, (2) all recurring fees charged to all
shareholder accounts are included, and (3) for any account fees that vary with
the size of the account, a mean (or median) account size in the Fund during the
periods is reflected. The ending redeemable value (variable "ERV" in the
formula) is determined by assuming complete redemption of the hypothetical
investment after deduction of all nonrecurring charges at the end of the
measuring period.


                                      TAXES

         The following is only a summary of certain additional tax
considerations generally affecting the Funds and their shareholders that are not
described in the Prospectus. No attempt is made to present a detailed
explanation of the tax treatment of the Funds or their shareholders, and the
discussion here and in the Prospectuses is not intended as a substitute for
careful tax planning. Investors are urged to consult their tax advisers with
specific reference to their own tax situation.

         Each Fund has elected to be taxed as a regulated investment company
under Part I of Subchapter M of Subtitle A, Chapter 1 of the Internal Revenue
Code of 1986, as amended (the "Code"). As a regulated investment company, each
Fund is exempt from federal income tax on its net investment income and realized
capital gains that it distributes to shareholders, provided 

                                      -22-

<PAGE>

that it distributes an amount equal to the sum of (a) at least 90% of its
investment company taxable income (net taxable investment income and the excess
of net short-term capital gain over net long-term capital loss, if any, for the
year) and (b) at least 90% of its net tax-exempt interest income, if any, for
the year (the "Distribution Requirement") and satisfies certain other
requirements of the Code that are described below. Distributions of investment
company taxable income made during the taxable year or, under specified
circumstances, within twelve months after the close of the taxable year will
satisfy the Distribution Requirement.

         In addition to the foregoing requirements, at the close of each quarter
of a Fund's taxable year, at least 50% of the value of the Fund's assets must
consist of cash and cash items, U.S. Government securities, securities of other
regulated investment companies, and securities of other issuers (as to which the
Fund has not invested more than 5% of the value of its total assets in
securities of such issuer and as to which the Fund does not hold more than 10%
of the outstanding voting securities of such issuer), and no more than 25% of
the value of a Fund's total assets may be invested in the securities of any one
issuer (other than U.S. Government securities and securities of other regulated
investment companies), or in two or more issuers which the Fund controls and
which are engaged in the same or similar trades or businesses (the "Asset
Diversification Requirement").

         Distributions of investment company taxable income will be taxable
(subject to the possible allowance of the dividend received deduction described
below) to shareholders as ordinary income, regardless of whether such
distributions are paid in cash or are reinvested in shares. Shareholders
receiving any distribution from a Fund in the form of additional shares will be
treated as receiving a taxable distribution in an amount equal to the fair
market value of the shares received, determined as of the reinvestment date.

         Each Fund intends to distribute to shareholders its net capital gain
(excess of net long-term capital gain over net short-term capital loss), if any,
for each taxable year. Such gain is distributed as a capital gain dividend and
is taxable to shareholders as long-term capital gain, regardless of the length
of time the shareholder has held his shares, whether such gain was recognized by
a Fund prior to the date on which a shareholder acquired shares of the Fund and
whether the distribution was paid in cash or reinvested in shares. The aggregate
amount of distributions designated by the Fund as capital gain dividends may not
exceed the net capital gain of a Fund for any taxable year, determined by
excluding any net capital loss or net long-term capital loss attributable to
transactions occurring after October 31 of such year and by treating any such
loss as if it arose on the first day of the following taxable year. Such
distributions will be designated as capital gain dividends in a written notice
mailed by each Fund to shareholders not later than 60 days after the close of
the Fund's taxable year.

         In the case of shareholders that are corporations, distributions (other
than capital gain dividends) of a Fund for any taxable year generally qualify
for the dividends received deduction to the extent of the gross amount of
"qualifying dividends" received by the Fund for the year. Generally, a dividend
will be treated as a "qualifying dividend" if it has been received from a
domestic corporation. Distributions of net investment income received by a Fund
from investments in debt securities will be taxable to shareholders as ordinary
income and will not be treated as "qualifying dividends" for purposes of the
dividends received deduction. A Fund will 

                                      -23-

<PAGE>

designate the portion, if any, of the distribution made by the Fund that
qualifies for the dividends received deduction in a written notice mailed by the
Fund to corporate shareholders not later than 60 days after the close of the
Fund's taxable year.

         If for any taxable year a Fund were to fail to qualify as a regulated
investment company, all of its taxable income would be subject to tax at regular
corporate rates without any deduction for distributions to shareholders, and all
distributions would be taxable as ordinary dividends to the extent of the Fund's
current and accumulated earnings and profits. Such distributions would be
eligible for the dividends received deduction in the case of corporate
shareholders.

         A shareholder will recognize gain or loss upon a redemption of shares
or an exchange of shares of a Fund for shares of another Boston Partners Fund
upon exercise of the exchange privilege, to the extent of any difference between
the price at which the shares are redeemed or exchanged and the price or prices
at which the shares were originally purchased for cash. However, any loss
realized on a sale of shares of a Fund will be disallowed to the extent an
investor repurchases shares of the Fund within a period of 61 days (beginning 30
days before and ending 30 days after the day of disposition of the shares).
Dividends paid by the Fund in the form of shares within the 61-day period would
be treated as a purchase for this purpose.

         The Code imposes a nondeductible 4% excise tax on regulated investment
companies that do not distribute with respect to each calendar year an amount
equal to 98% of their ordinary income for the calendar year plus 98% of their
capital gain net income for the 1-year period ending on October 31 of such
calendar year. The balance of such income must be distributed during the next
calendar year. For the foregoing purposes, a company is treated as having
distributed any amount on which it is subject to income tax for any taxable year
ending in such calendar year. Investors should note that a Fund may in certain
circumstances be required to liquidate investments in order to make sufficient
distributions to avoid excise tax liability.

         A Fund will be required in certain cases to withhold and remit to the
United States Treasury 31% of dividends paid to any shareholder (1) who has
provided either an incorrect tax identification number or no number at all, (2)
who is subject to backup withholding by the Internal Revenue Service for failure
to report the receipt of interest or dividend income properly, or (3) who has
failed to certify to the Fund that he is not subject to backup withholding or
that he is an "exempt recipient."

         The foregoing general discussion of federal income tax consequences is
based on the Code and the regulations issued thereunder as in effect on the date
of this Statement of Additional Information. Future legislative or
administrative changes or court decisions may significantly change the
conclusions expressed herein, and any such changes or decisions may have a
retroactive effect with respect to the transactions contemplated herein.

         Although a Fund expects to qualify as a "regulated investment company"
and to be relieved of all or substantially all federal income taxes, depending
upon the extent of its activities in states and localities in which its offices
are maintained, in which its agents or 

                                      -24-

<PAGE>

independent contractors are located or in which it is otherwise deemed to be
conducting business, a Fund may be subject to the tax laws of such states or
localities.


                  ADDITIONAL INFORMATION CONCERNING RBB SHARES

         RBB has authorized capital of thirty billion shares of Common Stock,
$.001 par value per share, of which ___ billion shares are currently classified
in __ classes as follows: 100 million shares are classified as Class A Common
Stock (Growth & Income), 100 million shares are classified as Class B Common
Stock, 100 million shares are classified as Class C Common Stock (Balanced), 100
million shares are classified as Class D Common Stock (Tax-Free), 500 million
shares are classified as Class E Common Stock (Money), 500 million shares are
classified as Class F Common Stock (Municipal Money), 500 million shares are
classified as Class G Common Stock (Money), 500 million shares are classified as
Class H Common Stock (Municipal Money), 1 billion five hundred million shares
are classified as Class I Common Stock (Money), 500 million shares are
classified as Class J Common Stock (Municipal Money), 500 million shares are
classified as Class K Common Stock (Government Money), 1,500 million shares are
classified as Class L Common Stock (Money), 500 million shares are classified as
Class M Common Stock (Municipal Money), 500 million shares are classified as
Class N Common Stock (Government Money), 500 million shares are classified as
Class O Common Stock (N.Y. Money), 100 million shares are classified as Class P
Common Stock (Government), 100 million shares are classified as Class Q Common
Stock, 500 million shares are classified as Class R Common Stock (Municipal
Money), 500 million shares are classified as Class S Common Stock (Government
Money), 500 million shares are classified as Class T Common Stock, 500 million
shares are classified as Class U Common Stock, 500 million shares are classified
as Class V Common Stock, 100 million shares are classified as Class W Common
Stock, 50 million shares are classified as Class X Common Stock, 50 million
shares are classified as Class Y Common Stock, 50 million shares are classified
as Class Z Common Stock, 50 million shares are classified as Class AA Common
Stock, 50 million shares are classified as Class BB Common Stock, 50 million
shares are classified as Class CC Common Stock, 100 million shares are
classified as Class DD Common Stock, 100 million shares are classified as Class
EE Common Stock, 50 million shares are classified as Class FF Common Stock (n/i
Numeric Investors Micro Cap), 50 million shares are classified as Class GG
Common Stock (n/i Numeric Investors Growth), 50 million shares are classified as
Class HH (n/i Numeric Investors Growth & Value), 100 million shares are
classified as Class II Common Stock, 100 million shares are classified as Class
JJ Common Stock, 100 million shares are classified as Class KK Common Stock, 100
million shares are classified as Class LL Common Stock, 100 million shares are
classified as Class MM Common Stock, 100 million shares are classified as Class
NN Common Stock, 100 million shares are classified as Class OO Common Stock, 100
million shares are classified as Class PP Common Stock, 100 million shares are
classified as Class QQ Common Stock (Boston Partners Institutional Large Cap),
100 million shares are classified as Class RR Common Stock (Boston Partners
Investor Large Cap), 100 million shares are classified as Class SS Common Stock
(Boston Partners Advisor Large Cap), 100 million shares are classified as Class
TT Common Stock (Boston Partners Investor Mid Cap), 100 million shares are
classified as Class UU Common Stock (Boston Partners Institutional Mid Cap), 100
million shares are classified as Class VV Common Stock (Boston Partners
Institutional Bond), 100 

                                      -25-

<PAGE>

million shares are classified as Class WW Common Stock (Boston Partners Investor
Bond), 50 million shares are classified as Class XX Common Stock (n/i Numeric
Investors Larger Cap Value), 100 million shares are classified as Class YY
Common Stock (Schneider Capital Management Small Cap Value), 100 million shares
are classified as Class ZZ Common Stock, 100 million shares of Class AAA Common
Stock, 100 million shares are classified as Class BBB Common Stock, 100 million
shares of Class CCC Common Stock, 100 million shares are classified as Class DDD
Common Stock (Boston Partners Institutional Micro Cap), 100 million shares are
classified as Class EEE Common Stock (Boston Partners Investors Micro Cap), 100
million shares are classified as Class FFF Common Stock, 100 million shares are
classified as Class GGG Common Stock, 100 million shares are classified as Class
HHH Common Stock, 100 million shares are classified as Class III Common Stock
(Boston Partners Institutional Market Neutral), 100 million shares are
classified as Class JJJ Common Stock (Boston Partners Investor Market Neutral),
100 million shares are classified as Class KKK Common Stock (Boston Partners
Institutional Long-Short Equity) 100 million shares are classified as Class LLL
common stock (Boston Partners Investor Long-Short Equity), 100 million shares
are classified as Class MMM Common Stock (n/i Small Cap Value), 3 billion shares
are classified as Class Janney Money Common Stock (Money), 200 million shares
are classified as Class Janney Municipal Money Common Stock (Municipal Money),
200 million shares are classified as Class Janney Government Money Common Stock
(Government Money), 100 million shares are classified as Class Janney N.Y.
Municipal Money Common Stock (N.Y. Money), 700 million shares are classified as
Class Select Common Stock (Money), 1 million shares are classified as Class Beta
2 Common Stock (Municipal Money), 1 million shares are classified as Class Beta
3 Common Stock (Government Money), 1 million shares are classified as Class Beta
4 Common Stock (N.Y. Money), 700 million shares are classified as Principal
Class Common Stock (Money), 1 million shares are classified as Gamma 2 Common
Stock (Municipal Money), 1 million shares are classified as Gamma 3 Common Stock
(Government Money), 1 million shares are classified as Gamma 4 Common Stock
(N.Y. Money), 1 million shares are classified as Delta 1 Common Stock (Money), 1
million shares are classified as Delta 2 Common Stock (Municipal Money), 1
million shares are classified as Delta 3 Common Stock (Government Money), 1
million shares are classified as Delta 4 Common Stock (N.Y. Money), 1 million
shares are classified as Epsilon 1 Common Stock (Money), 1 million shares are
classified as Epsilon 2 Common Stock (Municipal Money), 1 million shares are
classified as Epsilon 3 Common Stock (Government Money), 1 million shares are
classified as Epsilon 4 Common Stock (N.Y. Money), 1 million shares are
classified as Zeta 1 Common Stock (Money), 1 million shares are classified as
Zeta 2 Common Stock (Municipal Money), 1 million shares are classified as Zeta 3
Common Stock (Government Money), 1 million shares are classified as Zeta 4
Common Stock (N.Y. Money), 1 million shares are classified as Eta 1 Common Stock
(Money), 1 million shares are classified as Eta 2 Common Stock (Municipal
Money), 1 million shares are classified as Eta 3 Common Stock (Government
Money), 1 million shares are classified as Eta 4 Common Stock (N.Y. Money), 1
million shares are classified as Theta 1 Common Stock (Money), 1 million shares
are classified as Theta 2 Common Stock (Municipal Money), 1 million shares are
classified as Theta 3 Common Stock (Government Money), and 1 million shares are
classified as Theta 4 Common Stock (N.Y. Money). Shares of the Class III and
Class JJJ Common Stock constitute the Boston Partners Market Neutral Fund
Institutional and Investor classes, respectively. Shares of the Class KKK and
Class LLL Common Stock constitute the Boston Partners Long-Short Equity Fund


                                      -26-

<PAGE>

Institutional and Investor classes, respectively. Under RBB's charter, the Board
of Directors has the power to classify or reclassify any unissued shares of
Common Stock from time to time.

         The classes of Common Stock have been grouped into fourteen separate
"families": The Cash Preservation Family, the Sansom Street Family, the Bedford
Family, the Select (Beta) Family, the Principal (Gamma) Family, the Janney
Montgomery Scott Money Family, the n/i Numeric Investors Family, the Boston
Partners Family, the Schneider Capital Management Family, the Delta Family, the
Epsilon Family, the Zeta Family, the Eta Family and the Theta Family. The Cash
Preservation Family represents interests in the Money Market and Municipal Money
Market Funds; the Sansom Street Family represents interests in the Money Market,
Municipal Money Market and Government Obligations Money Market Funds; the
Bedford Family represents interests in the Money Market, Municipal Money Market,
Government Obligations Money Market and New York Municipal Money Market Funds;
the n/i Numeric Investors Family represents interests in five non-money market
portfolios; the Boston Partners Family represents interests in six non-money
market portfolios; the Schneider Capital Management Family represents interest
in one non-money market portfolio; the Janney Montgomery Scott Family and the
Select (Beta), Principal (Gamma), Delta, Epsilon, Zeta, Eta and Theta Families
represent interests in the Money Market, Municipal Money Market, Government
Obligations Money Market and New York Municipal Money Market Funds.

         RBB does not currently intend to hold annual meetings of shareholders
except as required by the 1940 Act or other applicable law. RBB's amended
By-Laws provide that shareholders owning at least ten percent of the outstanding
shares of all classes of Common Stock of RBB have the right to call for a
meeting of shareholders to consider the removal of one or more directors. To the
extent required by law, RBB will assist in shareholder communication in such
matters.

         As stated in the Prospectus, holders of shares of each class of each
Fund will vote in the aggregate and not by class on all matters, except where
otherwise required by law. Further, shareholders of each Fund will vote in the
aggregate and not by portfolio except as otherwise required by law or when the
Board of Directors determines that the matter to be voted upon affects only the
interests of the shareholders of a particular portfolio. Rule 18f-2 under the
1940 Act provides that any matter required to be submitted by the provisions of
the 1940 Act or applicable state law, or otherwise, to the holders of the
outstanding securities of an investment company such as the Funds shall not be
deemed to have been effectively acted upon unless approved by the holders of a
majority of the outstanding voting securities, as defined in the 1940 Act, of
each portfolio affected by the matter. Rule 18f-2 further provides that a
portfolio shall be deemed to be affected by a matter unless it is clear that the
interests of each portfolio in the matter are identical or that the matter does
not affect any interest of the portfolio. Under Rule 18f-2, the approval of an
investment advisory agreement or any change in a fundamental investment policy
would be effectively acted upon with respect to a portfolio only if approved by
the holders of a majority of the outstanding voting securities, as defined in
the 1940 Act, of such portfolio. However, Rule 18f-2 also provides that the
ratification of the selection of independent public accountants and the election
of directors are not subject to the separate voting requirements and may be
effectively acted upon by shareholders of an investment company voting without
regard to portfolio.

                                      -27-

<PAGE>

         Notwithstanding any provision of Maryland law requiring a greater vote
of shares of RBB's common stock (or of any class voting as a class) in
connection with any corporate action, unless otherwise provided by law, or by
RBB's Articles of Incorporation, RBB may take or authorize such action upon the
favorable vote of the holders of more than 50% of all of the outstanding shares
of Common Stock entitled to vote on the matter voting without regard to class
(or portfolio).


                                  MISCELLANEOUS

         COUNSEL. The law firm of Drinker Biddle & Reath LLP, 1345 Chestnut
Street, Philadelphia, Pennsylvania 19107-3496 serves as counsel to RBB and the
non-interested directors.

         INDEPENDENT ACCOUNTANTS. PricewaterhouseCoopers LLP, 2400 Eleven Penn
Center, Philadelphia, Pennsylvania 19103, serves as RBB's independent
accountants.

         CONTROL PERSONS. As of May 12, 1999, to the Company's knowledge, the
following named persons at the addresses shown below owned of record
approximately 5% or more of the total outstanding shares of the class of the
Company indicated below. See "Additional Information Concerning the Company
Shares" above. The Company does not know whether such persons also beneficially
own such shares.

                                      -28-

<PAGE>


<TABLE>
<CAPTION>

- ------------------------------------- ------------------------------------------------------- ------------------------
FUND NAME                             SHAREHOLDER NAME AND ADDRESS                            PERCENTAGE OF FUND HELD
- ------------------------------------- ------------------------------------------------------- ------------------------
<S>                                   <C>                                                     <C>   
BEDFORD MUNICIPAL                     Gabe Nechamkin                                          6.648%
MONEY MARKET                          27 Much More Road
                                      Harrison, NY 10528-1109
- ------------------------------------- ------------------------------------------------------- ------------------------
RBB GOVERNMENT                        Donaldson Lufkin Jenrette Securities                    6.643%
SECURITIES                            Corporation, Inc.
                                      P. O. Box 2052
                                      Jersey City, NJ 07303-9998
- ------------------------------------- ------------------------------------------------------- ------------------------
CASH PRESERVATION MONEY MARKET        Jewish Family and Children's Agency of                  16.437%
                                      Phil Capital Campaign
                                      Attn: S. Ramm
                                      1610 Spruce Street
                                      Philadelphia, PA 19103
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Harold T. Erfer                                         6.113%
                                      414 Charles Ln.
                                      Wynnewood, PA 19096
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Marian E. Kunz                                          17.182%
                                      52 Weiss Ave.
                                      Flourtown, PA 19031
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Karen M. McElhinny and Contribution                     7.921%
                                      Account       
                                      4943 King Arthur Dr.
                                      Erie, PA 16506
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Luanne M. Garvey and Robert J. Garvey                   7.763%
                                      2729 Woodland Ave.
                                      Trooper, PA 19403
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      John Robert Estrada and Shirley Ann Estrada             6.043%
                                      1700 Raton Dr.
                                      Arlington, TX 76018
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Dominic and Barbara Pisciotta and                       5.883%
                                      Successors in Tr. Under the Dominic Trst. 
                                      And Barbara Pisciotta Caring Tr. Dtd. 
                                      01/24/92
                                      207 Woodmere Way
                                      St. Charles, MO 63303
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Michael W. Preble                                       7.276%
                                      1505 W. Cheyenne Dr.
                                      Chandler, AZ 85224
- ------------------------------------- ------------------------------------------------------- ------------------------
SAMSON STREET MONEY MARKET            Saxon and Co.                                           70.881%
                                      FBO Paine Webber
                                      A/C 32 32 400 4000038
                                      P.O. Box 7780 1888
                                      Phila., PA 19182
- ------------------------------------- ------------------------------------------------------- ------------------------
</TABLE>

                                      -29-
<PAGE>


<TABLE>
<CAPTION>

- ------------------------------------- ------------------------------------------------------- ------------------------
             FUND NAME                             SHAREHOLDER NAME AND ADDRESS               PERCENTAGE OF FUND HELD
- ------------------------------------- ------------------------------------------------------- ------------------------
<S>                                   <C>                                                     <C>   
                                      Saxon and Co.                                           29.119%
                                      c/o PNC Bank, N. A.
                                      F3-F076-02-2
                                      200 Stevens Drive Ste. 260/ACI
                                      Lester, PA 19113
- ------------------------------------- ------------------------------------------------------- ------------------------
CASH PRESERVATION                     Gary L. Lange                                           75.668%
MUNICIPAL MONEY MARKET                and Susan D. Lange
                                      JT TEN
                                      837 Timber Glen Ln.
                                      Ballwin, Mo 63021-6066
- ------------------------------------- ------------------------------------------------------- ------------------------
RBB SELECT MONEY MARKET               Warburg Pincus Capital Appreciation Fund                19.026%
                                      Attn. Joe Gajewski / PFPC, Inc.
                                      MS W3-F400-03-2
                                      400 Bellevue Parkway
                                      Wilmington, DE 19809
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Warburg Pincus Emerging Growth Fund                     37.104%
                                      Attn. Joe Gajewski / PFPC, Inc.
                                      MS W3-F400-03-2
                                      400 Bellevue Parkway
                                      Wilmington, DE 19809
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Warburg Pincus Growth & Income Fund                     17.291%
                                      Attn. Joe Gajewski / PFPC, Inc.
                                      MS W3-F400-03-2
                                      400 Bellevue Parkway
                                      Wilmington, DE 19809
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Warburg Pincus Institutional Small Company Growth       5.046%
                                      Portfolio
                                      Attn. Joe Gajewski / PFPC, Inc.
                                      MS W3-F400-03-2
                                      400 Bellevue Parkway
                                      Wilmington, DE 19809
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Warburg Pincus Trust Small Company Growth Portfolio     13.194%
                                      Attn. Joe Gajewski / PFPC, Inc.
                                      MS W3-F400-03-2
                                      400 Bellevue Parkway
                                      Wilmington, DE 19809
- ------------------------------------- ------------------------------------------------------- ------------------------
</TABLE>

                                      -30-

<PAGE>
<TABLE>
<CAPTION>

- ------------------------------------- ------------------------------------------------------- ------------------------
FUND NAME                             SHAREHOLDER NAME AND ADDRESS                            PERCENTAGE OF FUND HELD
- ------------------------------------- ------------------------------------------------------- ------------------------
<S>                                   <C>                                                     <C>   
N/I MICRO CAP FUND                    Charles Schwab & Co. Inc                                13.013%
                                      Special Custody Account for the Exclusive Benefit of
                                      Customers
                                      Attn: Mutual Funds A/C 3143-0251
                                      101 Montgomery St.
                                      San Francisco, CA 94104
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Janis Claflin, Bruce Fetzer and                         9.879%
                                      Winston Franklin
                                      Robert Lehman Trst.
                                      The John E. Fetzer Institute, Inc.
                                      U/A DTD 06-1992
                                      Attn: Christina Adams
                                      9292 West KL Ave.
                                      Kalamazoo, MI 49009
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Louisa Stude Sarofim Foundation                         5.265%
                                      Dtd. 01/04/91
                                      c/o Nancy Head
                                      1001 Fannin 4700
                                      Houston, TX 77002
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Public Inst. For Social Security                        13.852%
                                      1001 19th St., N. 16th Flr.
                                      Arlington, VA 22209
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      State Street Bank and Trust Company                     8.026%
                                      FBO Yale Univ. Ret. Pln. for Staff Emp.
                                      State Street Bank & Tr. Co. Master Tr. Div.
                                      Attn: Kevin Sutton
                                      Solomon Williard Bldg.
                                      One Enterprise Dr.
                                      North Quincy,  MA 02171
- ------------------------------------- ------------------------------------------------------- ------------------------
N/I GROWTH FUND                       Charles Schwab & Co. Inc                                8.688%
                                      Special Custody Account for the Exclusive Benefit of
                                      Customers
                                      Attn: Mutual Funds
                                      101 Montgomery St.
                                      San Francisco, CA 94104
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Citibank North America Inc.                             36.344%
                                      Trst. Sargent & Lundy Retirement Trust
                                      Dtd. 06/01/96
                                      Mutual Fund Unit
                                      Bld. B Floor 1 Zone 7
                                      3800 Citibank Center Tampa
                                      Tampa, FL 33610-9122
- ------------------------------------- ------------------------------------------------------- ------------------------

</TABLE>
                                      -31-

<PAGE>
<TABLE>
<CAPTION>

- ------------------------------------- ------------------------------------------------------- ------------------------
FUND NAME                             SHAREHOLDER NAME AND ADDRESS                            PERCENTAGE OF FUND HELD
- ------------------------------------- ------------------------------------------------------- ------------------------
<S>                                   <C>                                                     <C>   
                                      Louisa Stude Sarofin Foundation                         5.279%
                                      c/o Nancy Head
                                      Dtd. 01/04/91
                                      1001 Fannin 4700
                                      Houston, TX 77002
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      U.S. Equity Investment Portfolio LP                     11.428%
                                      1001 N. US Hwy. One Suite 800
                                      Jupiter, FL 33477
- ------------------------------------- ------------------------------------------------------- ------------------------
N/I GROWTH AND VALUE FUND             Charles Schwab & Co. Inc.                               24.989%
                                      Special Custody Account for the Exclusive Benefit of
                                      Customers
                                      Attn: Mutual Funds
                                      101 Montgomery St.
                                      San Francisco, CA 94104
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      National Investors Services Corp.                       5.600%
                                      For the Exclusive Bene. Of our Customers
                                      S. 55 Water St. 32nd Floor
                                      New York, NY 10041-3299
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      The John E. Fetzer Institute Inc.                       8.848%
                                      Attn: Christina Adams
                                      9292 W. KL Ave.
                                      Kalamazoo, MI 49009
- ------------------------------------- ------------------------------------------------------- ------------------------
N/I LARGER CAP VALUE FUND             Charles Schwab & Co. Inc                                30.691%
                                      Special Custody Account for the Exclusive Benefit of
                                      Customers
                                      Attn: Mutual Funds
                                      101 Montgomery St.
                                      San Francisco, CA 94104
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      FTC & Co.                                               5.525%
                                      Attn: Datalynx 241
                                      Attn: Datalynx 273
                                      P. O. Box 173736
                                      Denver, CO 80217-3736
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      NFSC FEBO 108-436631                                    5.996%
                                      FMT c/o Cust. IRA Rollover
                                      FBO  Warren E. Shaw
                                      84 Rye Rd.
                                      Rye, NY 10580
- ------------------------------------- ------------------------------------------------------- ------------------------
</TABLE>

                                      -32-

<PAGE>
<TABLE>
<CAPTION>

- ------------------------------------- ------------------------------------------------------- ------------------------
FUND NAME                             SHAREHOLDER NAME AND ADDRESS                            PERCENTAGE OF FUND HELD
- ------------------------------------- ------------------------------------------------------- ------------------------
<S>                                   <C>                                                     <C>   
                                      Norwest Bank MN. NA.                                    35.396%
                                      Trst. Hospital of Central CA. Pens Pl.
                                      c/o Mutual Funds
                                      P. O. Box 1533
                                      Minneapolis MN 55480
- ------------------------------------- ------------------------------------------------------- ------------------------
N/I SMALL CAP VALUE FUND              State Street Bank and Trust Company                     54.894%
                                      FBO Yale Univ. Ret. Pl. for Staff Emp.
                                      State Street Bank & Tr. Co. Master Tr. Div.
                                      Attn: Kevin Sutton
                                      Solomon Williard Bldg.
                                      One Enterprise Dr.
                                      North Quincy, MA 02171
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Yale University                                         27.304%
                                      Trst. Yale University Ret. Health Bene. Tr.
                                      Attention: Seth Alexander
                                      230 Prospect St.
                                      New Haven, CT 06511
- ------------------------------------- ------------------------------------------------------- ------------------------
BOSTON PARTNERS LARGE CAP FUND INST   Dr. Janice B. Yost                                      16.220%
SHARES                                Trst Mary Black Foundation Inc.
                                      Bell Hill - 945 E. Main St.
                                      Spartanburg, SC 29302
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Charles Schwab & Co., Inc.                              5.658%
                                      Special Custody Account for Bene. of Cust.
                                      Attn: Mutual Funds
                                      101 Montgomery St.
                                      San Francisco, CA 94104
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Swanee Hunt and Charles Ansbacher Trst                  7.848%
                                      The Swanee Hunt Family Fund
                                      c/o Elizabeth  Alberti
                                      168 Brattle St.
                                      Cambridge, MA 02138
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Swanee Hunt and Charles Ansbacher                       6.026%
                                      Trst.
                                      The  Hunt Alternatives Fund
                                      c/o Elizabeth  Alberti
                                      168 Brattle St.
                                      Cambridge, MA 02138
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Union Bank of California                                7.738%
                                      FBO Service Employees TR610001265-01
                                      P. O. Box 120109
                                      San diego, CA 92112-0109
- ------------------------------------- ------------------------------------------------------- ------------------------
</TABLE>

                                      -33-

<PAGE>
<TABLE>
<CAPTION>

- ------------------------------------- ------------------------------------------------------- ------------------------
FUND NAME                             SHAREHOLDER NAME AND ADDRESS                            PERCENTAGE OF FUND HELD
- ------------------------------------- ------------------------------------------------------- ------------------------
<S>                                   <C>                                                     <C>   
                                      US Bank National Association                            14.211%
                                      FBO A-Dec Inc. DOT 093098
                                      Attn: Mutual Funds A/C 97307536
                                      P. O. Box 64010
                                      St. Paul, MN 55164-0010
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Northern Trust Company                                  13.487%
                                      FBO AEFC Pension Trust
                                      A/C 22-53582
                                      P. O. Box 92956
                                      Chicago, IL 60675
- ------------------------------------- ------------------------------------------------------- ------------------------
BOSTON PARTNERS LARGE CAP FUND        National Financial Services Corp.                       57.647%
INVESTOR SHARES                       For the Exclusive Bene. of  Our Customers
                                      Attn: Mutual Funds 5th Floor
                                      200 Liberty St. I World Financial Center
                                      New York, NY 10281
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Charles Schwab & Co. Inc.                               21.071%
                                      Special Custody Account for Bene. of Cust.
                                      Attn: Mutual Funds
                                      101 Montgomery St.
                                      San Francisco, CA 94104
- ------------------------------------- ------------------------------------------------------- ------------------------
BOSTON PARTNERS MID CAP VALUE FUND    The Northern Trust Company                              5.839%
INST. SHARES                          FBO Thomas & Betts Retirement Trust
                                      Attn: Ellen Shea
                                      8155 T&B Blvd.
                                      Memphis, TN 38123
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Strafe & Co.                                            5.428%
                                      FAO S. A. A. F. Custody
                                      A/C 8300022102
                                      P. O.  Box 160
                                      Westerville, OH 43086-0160
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      John M. Pontius, Jr.                                    6.818%
                                      FBO Hartwick College
                                      West Street
                                      Queens, NY 13820
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      MAC & CO.                                               8.723%
                                      A/C LEMF5044062
                                      Mutual Funds Operations
                                      P.O. Box 3198
                                      Pittsburgh, PA 15230-3198
- ------------------------------------- ------------------------------------------------------- ------------------------
</TABLE>

                                      -34-

<PAGE>
<TABLE>
<CAPTION>

- ------------------------------------- ------------------------------------------------------- ------------------------
FUND NAME                             SHAREHOLDER NAME AND ADDRESS                            PERCENTAGE OF FUND HELD
- ------------------------------------- ------------------------------------------------------- ------------------------
<S>                                   <C>                                                     <C>   
BOSTON PARTNERS MID CAP VALUE FUND    National Financial Svcs. Corp. for Exclusive Bene. of   12.610%
INV SHARES                            Our Customers
                                      Sal Vella
                                      200 Liberty St.
                                      New York, NY 10281
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Charles Schwab & Co. Inc.                               54.288%
                                      Special Custody Account for Bene. of Cust.
                                      Attn: Mutual Funds
                                      101 Montgomery St.
                                      San Francisco, CA 94104
- ------------------------------------- ------------------------------------------------------- ------------------------
BOSTON PARTNERS BOND FUND             Boston Partners Asset Mgmt. L. P.                       31.047%
INSTITUTIONAL SHARES                  Attn: Jan Penney
                                      28 State St.
                                      Boston, MA 02109
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Chiles Foundation                                       17.960%
                                      111 S.W. Fifth Ave.
                                      Ste. 4050
                                      Portland, OR 97204
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      The Roman Catholic Diocese of                           41.672%
                                      Raleigh, NC
                                      General Endowment
                                      715 Nazareth St.
                                      Raleigh, NC 27606
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      The Roman Catholic Diocese of                           9.280%
                                      Raleigh, NC
                                      Clergy Trust
                                      715 Nazareth St.
                                      Raleigh, NC 27606
- ------------------------------------- ------------------------------------------------------- ------------------------
BOSTON PARTNERS BOND FUND INVESTOR    Charles Schwab & Co. Inc                                81.125%
SHARES                                Special Custody Account for Bene. of Cust.
                                      Attn: Mutual Funds
                                      101 Montgomery St.
                                      San Francisco, CA 94104
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Stephen W. Hamilton                                     16.094%
                                      17 Lakeside Ln.
                                      N. Barrington, IL 60010
- ------------------------------------- ------------------------------------------------------- ------------------------
BOSTON PARTNERS                       Desmond J. Heathwood                                    8.333%
MICRO CAP VALUE                       41 Chestnut St.
FUND- INSTITUTIONAL                   Boston, MA 02108
SHARES
- ------------------------------------- ------------------------------------------------------- ------------------------
</TABLE>

                                      -35-

<PAGE>
<TABLE>
<CAPTION>

- ------------------------------------- ------------------------------------------------------- ------------------------
FUND NAME                             SHAREHOLDER NAME AND ADDRESS                            PERCENTAGE OF FUND HELD
- ------------------------------------- ------------------------------------------------------- ------------------------
<S>                                   <C>                                                     <C>   
                                      Boston Partners Asset Mgmt. L. P.                       65.919%
                                      Attn: Jan Penney
                                      28 State St.
                                      Boston, MA 02109
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Wayne Archambo                                          6.625%
                                      42 DeLopa Circle
                                      Westwood, MA 02090
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      David M. Dabora                                         6.625%
                                      11 White Plains Ct.
                                      San Anselmo, CA 94960
- ------------------------------------- ------------------------------------------------------- ------------------------
BOSTON PARTNERS                       National Financial Services Corp.                       32.044%
MICRO CAP VALUE                       For the Exclusive Bene. of our Customers
FUND- INVESTOR                        Attn: Mutual Funds 5th Floor
SHARES                                200 Liberty St.
                                      1 World Financial Center
                                      New York, NY 10281
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Charles Schwab & Co., Inc.                              25.822%
                                      Special Custody Account for Bene. of Cust.
                                      Attn: Mutual Funds
                                      101 Montgomery St.
                                      San Francisco, CA 94104
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Scott J. Harrington                                     31.406%
                                      54 Torino Ct.
                                      Danville, CA 94526
- ------------------------------------- ------------------------------------------------------- ------------------------
BOSTON PARTNERS MARKET NEUTRAL        Boston Partners Asset Mgmt. L. P.                       100.000%
FUND- INSTITUTIONAL SHARES            Attn: Jan Penney
                                      28 State St.
                                      Boston, MA 02109
- ------------------------------------- ------------------------------------------------------- ------------------------
BOSTON PARTNERS MARKET NEUTRAL        Glenn P. Verrette and Laurie Jo Verrette                6.703%
FUND- INVESTOR SHARES                 Jt. Ten. Wros.
                                      156 Osgood St.
                                      Andover, MA 01610
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Thomas Lannan and Kathleen Lannan                       89.967%
                                      Jt. Ten. Wros.
                                      P. O. Box 312
                                      Osterville, MA 02655
- ------------------------------------- ------------------------------------------------------- ------------------------
SCHNEIDER SMALL CAP VALUE FUND        Arnold C. Schneider III                                 17.317%
                                      SEP IRA
                                      826 Turnbridge Rd.
                                      Wayne, PA 19087
- ------------------------------------- ------------------------------------------------------- ------------------------
</TABLE>

                                      -36-

<PAGE>

<TABLE>
<CAPTION>

- ------------------------------------- ------------------------------------------------------- ------------------------
             FUND NAME                             SHAREHOLDER NAME AND ADDRESS               PERCENTAGE OF FUND HELD
- ------------------------------------- ------------------------------------------------------- ------------------------
<S>                                   <C>                                                     <C>   
                                      SCM Retirement Plan                                     8.576%
                                      Profit Sharing Plan
                                      460 E. Swedesford Rd. Ste. 1080
                                      Wayne, PA 19087
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Ronald L. Gault                                         6.856%
                                      IRA
                                      439 W. Nelson St.
                                      Lexington VA 24450
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      John Frederick Lyness                                   16.464%
                                      81 Hillcrest Ave.
                                      Summit, NJ 07901
- ------------------------------------- ------------------------------------------------------- ------------------------
                                      Mark Shevitz                                            9.152%
                                      Rollover IRA
                                      65 Wardell St.
                                      Rumson, NJ 07760
- ------------------------------------- ------------------------------------------------------- ------------------------
</TABLE>


         As of the above date, directors and officers as a group owned less than
one percent of the shares of the Company.

         OTHER COMMUNICATIONS. From time to time, references to the Funds may
appear in advertisements and sales literature for certain products or services
offered by the Adviser, its affiliates or others, through which it is possible
to invest in one or more Funds managed by the Adviser.

         The Funds may also from time to time include discussions or
illustrations of the effects of compounding in advertisements. "Compounding"
refers to the fact that, if dividends or other distributions of a Fund
investment are reinvested by being paid in additional Fund shares, any future
income or capital appreciation of a Fund would increase the value, not only of
the original Fund investment, but also of the additional Fund shares received
through reinvestment. As a result, the value of a Fund investment would increase
more quickly than if dividends or other distributions had been paid in cash.

         The Funds or Adviser may also include discussions or illustrations of
the potential investment goals of a prospective investor, investment management
strategies, techniques, policies or investment suitability of a Fund or that
employed by the Adviser (such as value investing, market timing, dollar cost
averaging, asset allocation, constant ratio transfer, automatic accounting
rebalancing, the advantages and disadvantages of investing in tax-deferred and
taxable instruments), economic conditions, risk and volatility assessments, the
relationship between sectors of the economy and the economy as a whole, various
securities markets, the effects of inflation and historical performance of
various asset classes, including but not limited to, stocks, bonds and Treasury
bills. The Funds or Adviser may also include in such advertisements or
communications additional information concerning the Adviser and/or its

                                      -37-
<PAGE>

employees or owners, its management philosophies, operating strategies and other
advisory clients, as well as statements about the Adviser attributed to others.
From time to time advertisements or communications to shareholders may summarize
the substance of information contained in shareholder reports (including the
investment composition of a Fund), as well as the view of the Adviser or Fund as
to current market, economy, trade and interest rate trends, legislative,
regulatory and monetary developments, investment strategies and related matters
believed to be of relevance to a Fund or an investor generally. The Funds or
Adviser may also include in advertisements charts, graphs or drawings which
compare the investment objective, return potential, relative stability and/or
growth possibilities of the Funds and/or other mutual funds, or illustrate the
potential risks and rewards of investment in various investment vehicles,
including but not limited to, stocks, bonds, Treasury bills and shares of the
Funds. In addition, advertisements or shareholder communications may include a
discussion of certain attributes or benefits to be derived by an investment in a
Fund and/or other mutual funds, shareholder profiles and hypothetical investor
scenarios, timely information on financial management, tax and retirement
planning and investment alternatives to certificates of deposit and other
financial instruments. Such advertisements or communications may include
symbols, headlines or other material which highlight or summarize the
information discussed in more detail therein.

         LITIGATION. There is currently no material litigation affecting RBB.

                                      -38-

<PAGE>
                                   APPENDIX A


COMMERCIAL PAPER RATINGS

         A Standard & Poor's ("S&P") commercial paper rating is a current
assessment of the likelihood of timely payment of debt having an original
maturity of no more than 365 days. The following summarizes the rating
categories used by Standard and Poor's for commercial paper:

         "A-1" - The highest category indicates that the degree of safety
regarding timely payment is strong. Those issues determined to possess extremely
strong safety characteristics are denoted with a plus sign (+) designation.

         "A-2" - Capacity for timely payment on issues with this designation is
satisfactory. However, the relative degree of safety is not as high as for
issues designated "A-1."

         "A-3" - Issues carrying this designation have adequate capacity for
timely payment. They are, however, more vulnerable to the adverse effects of
changes in circumstances than obligations carrying the higher designations.

         "B" - Issues are regarded as having only a speculative capacity for
timely payment.

         "C" - This rating is assigned to short-term debt obligations with a
doubtful capacity for payment.

         "D" - Issues are in payment default. The "D" rating category is used
when interest payments of principal payments are not made on the date due, even
if the applicable grace period has not expired, unless S&P believes such
payments will be made during such grace period.


         Moody's commercial paper ratings are opinions of the ability of issuers
to repay punctually senior debt obligations not having an original maturity in
excess of one year, unless explicitly noted. The following summarizes the rating
categories used by Moody's for commercial paper:

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

                                       A-1

<PAGE>

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

         "Prime-3" - Issuers (or supporting institutions) have an acceptable
ability for repayment of senior short-term debt obligations. The effects of
industry characteristics and market compositions may be more pronounced.
Variability in earnings and profitability may result in changes in the level of
debt protection measurements and may require relatively high financial leverage.
Adequate alternate liquidity is maintained.

         "Not Prime" - Issuers do not fall within any of the Prime rating
categories.


CORPORATE LONG-TERM DEBT RATINGS

         The following summarizes the ratings used by Standard & Poor's for
corporate debt:

         "AAA" - This designation represents the highest rating assigned by
Standard & Poor's. The obligor's capacity to meet its financial commitment on
the obligation is extremely strong.

         "AA" - An obligation rated "AA" differs from the highest rated
obligations only in small degree. The obligor's capacity to meet its financial
commitment on the obligation is very strong.

         "A" - An obligation rated "A" is somewhat more susceptible to the
adverse effects of changes in circumstances and economic conditions than
obligations in higher rated categories. However, the obligor's capacity to meet
its financial commitment on the obligation is still strong.

         "BBB" - An obligation rated "BBB" exhibits adequate protection
parameters. However, adverse economic conditions or changing circumstances are
more likely to lead to a weakened capacity of the obligor to meet its financial
commitment on the obligation.

         "BB," "B," "CCC," "CC" and "C" - Debt is regarded as having significant
speculative characteristics. "BB" indicates the least degree of speculation and
"C" the highest. While such obligations will likely have some quality and
protective characteristics, these may be outweighed by large uncertainties or
major exposures to adverse conditions.

         "BB" - Debt is less vulnerable to non-payment than other speculative
issues. However, it faces major ongoing uncertainties or exposure to adverse
business, financial or economic conditions which could lead to the obligor's
inadequate capacity to meet its financial commitment on the obligation.

                                       A-2

<PAGE>

         "B" - Debt is more vulnerable to non-payment than obligations rated
"BB", but the obligor currently has the capacity to meet its financial
commitment on the obligation. Adverse business, financial or economic conditions
will likely impair the obligor's capacity or willingness to meet its financial
commitment on the obligation.

         "CCC" - Debt is currently vulnerable to non-payment, and is dependent
upon favorable business, financial and economic conditions for the obligor to
meet its financial commitment on the obligation. In the event of adverse
business, financial or economic conditions, the obligor is not likely to have
the capacity to meet its financial commitment on the obligation.

         "CC" - An obligation rated "CC" is currently highly vulnerable to
non-payment.

         "C" - The "C" rating may be used to cover a situation where a
bankruptcy petition has been filed or similar action has been taken, but
payments on this obligation are being continued.

         "D" - An obligation rated "D" is in payment default. This rating is
used when payments on an obligation are not made on the date due, even if the
applicable grace period has not expired, unless S & P believes that such
payments will be made during such grace period. "D" rating is also used upon the
filing of a bankruptcy petition or the taking of similar action if payments on
an obligation are jeopardized.

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

         "r" - This rating is attached to highlight derivative, hybrid, and
certain other obligations that S & P believes may experience high volatility or
high variability in expected returns due to non-credit risks. Examples of such
obligations are: securities whose principal or interest return is indexed to
equities, commodities, or currencies; certain swaps and options; and
interest-only and principal-only mortgage securities. The absence of an "r"
symbol should not be taken as an indication that an obligation will exhibit no
volatility or variability in total return.

         The following summarizes the ratings used by Moody's for corporate
debt:

         "Aaa" - Bonds are judged to be of the best quality. They carry the
smallest degree of investment risk and are generally referred to as "gilt
edged." Interest payments are protected by a large or by an exceptionally stable
margin and principal is secure. While the various protective elements are likely
to change, such changes as can be visualized are most unlikely to impair the
fundamentally strong position of such issues.

         "Aa" - Bonds are judged to be of high quality by all standards.
Together with the "Aaa" group they comprise what are generally known as
high-grade bonds. They are rated lower than the best bonds because margins of
protection may not be as large as in "Aaa" securities or 

                                       A-3

<PAGE>

fluctuation of protective elements may be of greater amplitude or there may be
other elements present which make the long-term risks appear somewhat larger
than in "Aaa" securities.

         "A" - Bonds possess many favorable investment attributes and are to be
considered as upper medium-grade obligations. Factors giving security to
principal and interest are considered adequate, but elements may be present
which suggest a susceptibility to impairment sometime in the future.

         "Baa" - Bonds are considered as medium-grade obligations, (i.e., they
are neither highly protected nor poorly secured). Interest payments and
principal security appear adequate for the present but certain protective
elements may be lacking or may be characteristically unreliable over any great
length of time. Such bonds lack outstanding investment characteristics and in
fact have speculative characteristics as well.

         "Ba," "B," "Caa," "Ca," and "C" - Bonds that possess one of these
ratings provide questionable protection of interest and principal ("Ba"
indicates speculative elements; "B" indicates a general lack of characteristics
of desirable investment; "Caa" are of poor standing; "Ca" represents obligations
which are speculative in a high degree; and "C" represents the lowest rated
class of bonds). "Caa," "Ca" and "C" bonds may be in default.

         Con. (---) - Bonds for which the security depends upon the completion
of some act or the fulfillment of some condition are rated conditionally. These
are bonds secured by (a) earnings of projects under construction, (b) earnings
of projects unseasoned in operation experience, (c) rentals which begin when
facilities are completed, or (d) payments to which some other limiting condition
attaches. Parenthetical rating denotes probable credit stature upon completion
of construction or elimination of basis of condition.

         (P)... - When applied to forward delivery bonds, indicates that the
rating is provisional pending delivery of the bonds. The rating may be revised
prior to delivery if changes occur in the legal documents or the underlying
credit quality of the bonds.

         Note: Those bonds in the Aa, A, Baa, Ba and B groups which Moody's
believes possess the strongest investment attributes are designated by the
symbols, Aa1, A1, Baa1, Ba1 and B1.

<PAGE>



                                                      PART C

                                                 OTHER INFORMATION

Item 24. FINANCIAL STATEMENTS AND EXHIBITS

<TABLE>
<CAPTION>
 (a) Financial Statements:

   
              Not Applicable.
    

 (b) Exhibits:                                                                                   SEE NOTE #
<S>  <C>      <C>      <C>                                                                            <C>
     (1)      (a)      Articles of Incorporation of Registrant.                                         1
              (b)      Articles Supplementary of Registrant.                                            1
              (c)      Articles of Amendment to Articles of Incorporation of Registrant.                2
              (d)      Articles Supplementary of Registrant.                                            2
              (e)      Articles Supplementary of Registrant.                                            5
              (f)      Articles Supplementary of Registrant.                                            6
              (g)      Articles Supplementary of Registrant.                                            9
              (h)      Articles Supplementary of Registrant.                                           10
              (i)      Articles Supplementary of Registrant.                                           11
              (j)      Articles Supplementary of Registrant.                                           11
              (k)      Articles Supplementary of Registrant.                                           13
              (l)      Articles Supplementary of Registrant.                                           13
              (m)      Articles Supplementary of Registrant.                                           13
              (n)      Articles Supplementary of Registrant.                                           13
              (o)      Articles Supplementary of Registrant.                                           14
              (p)      Articles Supplementary of Registrant.                                           17
              (q)      Articles Supplementary of Registrant.                                           19
              (r)      Articles Supplementary of Registrant.                                           21
              (s)      Articles of Amendment to Charter of the Registrant.                             22
              (t)      Articles Supplementary of Registrant.                                           22
              (u)      Articles Supplementary of Registrant.                                           31
              (v)      Articles Supplementary of Registrant.                                           31
              (w)      Articles Supplementary of Registrant.                                           29
              (x)      Articles Supplementary of Registrant                                            29
     (2)      (a)      By-Laws, as amended.                                                            22
     (3)               None.
     (4)      (a)      See Articles VI, VII, VIII, IX and XI of Registrant's Articles of                1
                       Incorporation dated February 17, 1988.
              (b)      See Articles II, III, VI, XIII, and XIV of Registrant's By-Laws as              17
                       amended through April 26, 1996.
     (5)      (a)      Investment Advisory Agreement (Money Market) between Registrant and              3
                       Provident Institutional Management Corporation, dated as of August 16,
                       1988.
              (b)      Sub-Advisory Agreement (Money Market) between Provident Institutional            3
                       Management Corporation and Provident National Bank, dated as of August
                       16, 1988.
              (c)      Investment Advisory Agreement (Tax-Free Money Market) between                    3
                       Registrant and Provident Institutional Management Corporation, dated as
                       of August 16, 1988.
              (d)      Sub-Advisory Agreement (Tax-Free Money Market) between Provident                 3
                       Institutional Management Corporation and Provident National Bank, dated
                       as of August 16, 1988.

<PAGE>
 (b) Exhibits:                                                                                   SEE NOTE #
              (e)      Investment Advisory Agreement (Government Obligations Money Market)              3
                       between Registrant and Provident Institutional Management Corporation,
                       dated as of August 16, 1988.
              (f)      Sub-Advisory Agreement (Government Obligations Money Market) between             3
                       Provident Institutional Management Corporation and Provident National
                       Bank, dated as of August 16, 1988.
              (g)      Investment Advisory Agreement (Government Securities) between                    8
                       Registrant and Provident Institutional Management Corporation dated as
                       of April 8, 1991.
              (h)      Investment Advisory Agreement (New York Municipal Money Market) between          9
                       Registrant and Provident Institutional Management Corporation dated
                       November 5, 1991.
              (i)      Investment Advisory Agreement (Tax-Free Money Market) between                   10
                       Registrant and Provident Institutional Management Corporation dated
                       April 21, 1992.
              (j)      Investment Advisory Agreement (n/i Micro Cap Fund) between Registrant           17
                       and Numeric Investors, L.P.
              (k)      Investment Advisory Agreement (n/i Growth Fund) between Registrant and          17
                       Numeric Investors, L.P.
              (l)      Investment Advisory Agreement (n/i Growth & Value Fund) between                 17
                       Registrant and Numeric Investors, L.P.
              (m)      Investment Advisory Agreement (Boston Partners Large Cap Value Fund)            20
                       between Registrant and Boston Partners Asset Management, L.P.
              (n)      Investment Advisory Agreement (Boston Partners Mid Cap Value Fund)              22
                       between Registrant and Boston Partners Asset Management, L.P.
              (o)      Investment Advisory Agreement (n/i Larger Cap Value Fund) between               24
                       Registrant and Numeric Investors, L.P. dated December 1, 1997.
              (p)      Investment Advisory Agreement (Boston Partners Bond Fund) between               24
                       Registrant and Boston Partners Asset Management, L.P. dated December 1,
                       1997.
              (q)      Investment Advisory Agreement (Schneider Small Cap Value Fund) between          29
                       Registrant and Schneider Capital Management Company.
              (r)      Investment Advisory Agreement (Boston Partners Micro Cap Value Fund)            29
                       between Registrant and Boston Partners Asset Management, L.P.
              (s)      Investment Advisory Agreement (Boston Partners Market Neutral Fund)             31
                       between Registrant and Boston Partners Asset Management, L.P.
              (t)      Investment Advisory Agreement (n/i Small Cap Value Fund) between                31
                       Registrant and Numeric Investors, L.P.
      
   
              (u)      Form of Investment Advisory Agreement (Boston Partners Long-Short               32
                       Equity Fund) between Registrant and Boston Partners Asset Management,
                       L. P.
    

     (6)      (a)      Distribution Agreement between Registrant and Provident Distributors,           26
                       Inc. dated as of May 29, 1998.
              (b)      Distribution Agreement Supplement between Registrant and Provident              31
                       Distributors, Inc. (Boston Partners Market Neutral Fund - Institutional
                       Class).
              (c)      Distribution Agreement Supplement between Registrant and Provident              31
                       Distributors, Inc. (Boston  Partners Market Neutral Fund - Investor
                       Class).

                                       2
<PAGE>
 (b) Exhibits:                                                                                   SEE NOTE #
              (d)      Distribution Agreement Supplement between Registrant and Provident              31
                       Distributors, Inc. (n/i Small Cap Value Fund).
              
   
              (e)      Form of Distribution Agreement Supplement between Registrant and                32
                       Provident Distributors, Inc. (Boston Partners Long-Short Equity Fund-
                       Institutional Class)

              (f)      Form of Distribution Agreement Supplement between registrant and                32
                       Provident Distributors, Inc. (Boston Partners Long-Short Equity Fund-
                       Investor Class)
    

     (7)               Fund Office Retirement Profit-Sharing and Trust Agreement, dated as of          23
                       October 24, 1990, as amended.
     (8)      (a)      Custodian Agreement between Registrant and Provident National Bank              3
                       dated as of August 16, 1988.
              (b)      Sub-Custodian Agreement among The Chase Manhattan Bank, N.A., the               10
                       Registrant and Provident National Bank, dated as of July 13, 1992,
                       relating to custody of Registrant's foreign securities.
              (c)      Amendment No. 1 to Custodian Agreement dated August 16, 1988.                   9
              (d)      Custodian Contract between Registrant and State Street Bank and Trust           12
                       Company.
              (e)      Custody Agreement between Registrant and Custodial Trust Company on             17
                       behalf of n/i Micro Cap Fund, n/i Growth Fund and n/i Growth & Value
                       Fund Portfolios of the Registrant.
              (f)      Custodian Agreement Supplement Between Registrant and PNC Bank,                 20
                       National Association dated October 16, 1996.
              (g)      Custodian Agreement Supplement between Registrant and PNC Bank,                 22
                       National Association, on behalf of the Boston Partners Mid Cap Value
                       Fund.
              (h)      Custody Agreement between Registrant and Custodial Trust Company on             24
                       behalf of the n/i Larger Cap Value Fund.
              (i)      Custodian Agreement Supplement between Registrant and PNC Bank, N.A. on         24
                       behalf of the Boston Partners Bond Fund.
              (j)      Custodian Agreement Supplement between Registrant and PNC Bank, N.A. on         29
                       behalf of the Schneider Small Cap Value Fund.
              (k)      Custodian Agreement Supplement between Registrant and PNC Bank, N.A. on         29
                       behalf of the Boston Partners Micro Cap Value Fund.
              (l)      Custodian Agreement Supplement between Registrant and PNC Bank, N.A. on         31
                       behalf of Boston Partners Market Neutral Fund.
              (m)      Custodian Agreement Supplement between Registrant and Custodial Trust           31
                       Company on behalf of n/i Small Cap Value Fund.
              
   
              (n)      Form of Custodian Agreement Supplement between Registrant and PFPC Trust        32
                       Company (Boston Partners Long Short Equity Fund)
    

     (9)               (a) Transfer Agency Agreement (Sansom Street) between Registrant and             3
                       Provident Financial Processing Corporation, dated as of 
                       August 16, 1988.       
              (b)      Transfer Agency Agreement (Cash Preservation) between Registrant and             3
                       Provident Financial Processing Corporation, dated as of August 16, 1988.
              (c)      Shareholder Servicing Agreement (Sansom Street Money Market).                    3
              (d)      Shareholder Servicing Agreement (Sansom Street Tax-Free Money Market).           3
              (e)      Shareholder Servicing Agreement (Sansom Street Government Obligations            3
                       Money Market).
              (f)      Shareholder Services Plan (Sansom Street Money Market).                          3
              (g)      Shareholder Services Plan (Sansom Street Tax-Free Money Market).                 3

                                       3
<PAGE>
 (b) Exhibits:                                                                                   SEE NOTE #
              (h)      Shareholder Services Plan (Sansom Street Government Obligations Money            3
                       Market).
              (i)      Transfer Agency Agreement (Bedford) between Registrant and Provident             3
                       Financial Processing Corporation, dated as of August 16, 1988.
              (j)      Administration and Accounting Services Agreement between Registrant and          8
                       Provident Financial Processing Corporation, relating to Government
                       Securities Portfolio, dated as of April 10, 1991.
              (k)      Administration and Accounting Services Agreement between Registrant and          9
                       Provident Financial Processing Corporation, relating to New York
                       Municipal Money Market Portfolio dated as of November 5, 1991.
              (l)      Transfer Agency Agreement and Supplements (Bradford, Alpha (now known            9
                       as Janney), Beta, Gamma, Delta, Epsilon, Zeta, Eta and Theta) between
                       Registrant and Provident Financial Processing Corporation dated as of
                       November 5, 1991.
              (m)      Administration and Accounting Services Agreement between Registrant and         10
                       Provident Financial Processing Corporation, relating to Tax-Free Money
                       Market Portfolio, dated as of April 21, 1992.
              (n)      Transfer Agency and Service Agreement between Registrant and State              15
                       Street Bank and Trust Company and PFPC, Inc. dated 
                       February 1, 1995.
              (o)      Supplement to Transfer Agency and Service Agreement between Registrant,         15
                       State Street Bank and Trust Company, Inc. and PFPC dated
                       April 10, 1995.
              (p)      Amended and Restated Credit Agreement dated December 15, 1994.                  16
              (q)      Transfer Agency Agreement Supplement (n/i Micro Cap Fund, n/i Growth            17
                       Fund and n/i Growth & Value Fund) between Registrant and PFPC, Inc.
                       dated April 14, 1996.
              (r)      Administration and Accounting Services Agreement between Registrant and         17
                       PFPC, Inc. (n/i Micro Cap Fund) dated April 24, 1996.
              (s)      Administration and Accounting Services Agreement between Registrant             17
                       and PFPC, Inc. (n/i Growth Fund) dated April 24, 1996.
              (t)      Administration and Accounting Services Agreement between Registrant             17
                       and PFPC, Inc. (n/i Growth & Value Fund) dated April 24, 1996.
              (u)      Transfer Agreement and Service Agreement between Registrant and State           18
                       Street Bank and Trust Company.
              (v)      Administration and Accounting Services Agreement between the Registrant         21
                       and PFPC Inc. dated October 16, 1996 (Boston Partners Large Cap Value
                       Fund).
              (w)      Transfer Agency Agreement Supplement between Registrant and PFPC Inc.           20
                       (Boston Partners Large Cap Value Fund, Institutional Class).
              (x)      Transfer Agency Agreement Supplement between Registrant and PFPC Inc.           20
                       (Boston Partners Large Cap Value Fund, Investor Class).
              (y)      Transfer Agency Agreement Supplement between Registrant and PFPC Inc.           20
                       (Boston Partners Large Cap Value Fund, Advisor Class).
              (z)      Transfer Agency Agreement Supplement between Registrant and PFPC Inc.,          22
                       (Boston Partners Mid Cap Value Fund, Institutional Class).
              (aa)     Transfer Agency Agreement Supplement between Registrant and PFPC Inc.,          22
                       (Boston Partners Mid Cap Value Fund, Investor Class).

                                       4
<PAGE>
 (b) Exhibits:                                                                                   SEE NOTE #
              (bb)     Administration and Accounting Services Agreement between Registrant and         22
                       PFPC Inc. dated, May 30, 1997 (Boston Partners Mid Cap Value Fund).
              (cc)     Transfer Agency Agreement Supplement (n/i Larger Cap Value Fund)                24
                       between Registrant and PFPC, Inc. dated December 1, 1997.
              (dd)     Administration and Accounting Services Agreement between Registrant and         24
                       PFPC, Inc. dated December 1, 1997 (n/i Larger Cap Value Fund).
              (ee)     Co-Administration Agreement between Registrant and Bear Stearns Funds           24
                       Management, Inc. dated December 1, 1997 (n/i Larger Cap Value Fund).
              (ff)     Transfer Agency Agreement Supplement between Registrant and PFPC, Inc.          24
                       dated December 1, 1997 (Boston Partners Bond Fund, Institutional Class).
              (gg)     Transfer Agency Agreement Supplement between Registrant and PFPC, Inc.          24
                       dated December 1, 1997 (Boston Partners Bond Fund, Investor Class).
              (hh)     Administration and Accounting Services Agreement between Registrant and         24
                       PFPC, Inc. dated December 1, 1997 (Boston Partners Bond Fund).
              (ii)     Administration and Accounting Services Agreement between Registrant and         29
                       PFPC Inc. (Schneider Small Cap Value Fund).
              (jj)     Transfer Agency Agreement Supplement between Registrant and PFPC Inc.           29
                       (Schneider Small Cap Value Fund).
              (kk)     Transfer Agency Agreement Supplement between Registrant and PFPC, Inc.          29
                       (Boston Partners Micro Cap Value Fund, Institutional Class).
              (ll)     Transfer Agency Agreement Supplement between Registrant and PFPC, Inc.          29
                       (Boston Partners Micro Cap Value Fund, Investor Class).
              (mm)     Administration and Accounting Services Agreement between Registrant and         29
                       PFPC, Inc. (Boston Partners Micro Cap Value Fund).
              (nn)     Administrative Services Agreement between Registrant and Provident              26
                       Distributors, Inc. dated as of May 29, 1998 and relating to the n/i
                       funds, Schneider Small Cap Value Fund and Institutional Shares of the
                       Boston Partners Funds.
              (oo)     Administrative Services Agreement Supplement between Registrant and             31
                       Provident Distributors, Inc.  relating to the Boston Partners Market
                       Neutral Fund (Institutional Class).
              (pp)     Administrative and Accounting Services Agreement between Registrant and         31
                       PFPC, Inc. (Boston Partners Market Neutral Fund -  Institutional and
                       Investor Classes).
              (qq)     Transfer Agency Agreement Supplement between Registrant and PFPC, Inc.          31
                       (Boston Partners Market Neutral Fund - Institutional and Investor
                       Classes).
              (rr)     Transfer Agency Agreement Supplement between Registrant and PFPC, Inc.          31
                       (n/i Small Cap Value Fund).
              (ss)     Administration and Accounting Services Agreement between Registrant and         31
                       PFPC, Inc. (n/i Small Cap Value Fund).
              (tt)     Co-Administration Agreement between Registrant and Bear Stearns Funds           31
                       Management, Inc. (n/i Small Cap Value Fund).
              (uu)     Administrative Services Agreement between Registrant and Provident              31
                       Distributors, Inc. (n/i Small Cap Value Fund).

                                       5
<PAGE>
 
 (b) Exhibits:                                                                                   SEE NOTE #
              
   
              (vv)     Form of Transfer Agency Agreement Supplement between Registrant and             32
                       PFPC, Inc. (Boston Partners Long-Short Equity Fund).
              (ww)     Form of Administrative Services Agreement Supplement between Registrant         32
                       and Provident Distributors, Inc. (Boston Partners Long-Short Equity
                       Fund- Institutional Shares).
              (xx)     Form of Administration and Accounting Services Agreement between                32
                       Registrant and PFPC, Inc. (Boston Partners Long-Short Equity Fund).
    

     (10)              Opinion of Counsel as to validity of shares issued.                             32
     (11)     (a)      Consent of Drinker Biddle & Reath LLP.                                          32
     (12)              None.
     (13)     (a)      Subscription Agreement (relating to Classes A through N).                        2
              (b)      Subscription Agreement between Registrant and Planco Financial                   7
                       Services, Inc., relating to Classes O and P.
              (c)      Subscription Agreement between Registrant and Planco Financial                   7
                       Services, Inc., relating to Class Q.
              (d)      Subscription Agreement between Registrant and Counsellors Securities             9
                       Inc. relating to Classes R, S, and Alpha 1 through Theta 4.
              (e)      Purchase Agreement between Registrant and Numeric Investors, L.P.               17
                       relating to Class FF (n/i Micro Cap Fund).
              (f)      Purchase Agreement between Registrant and Numeric Investors, L.P.               17
                       relating to Class GG (n/i Growth Fund).
              (g)      Purchase Agreement between Registrant and Numeric Investors, L.P.               17
                       relating to Class HH (n/i Growth & Value Fund).
              (h)      Purchase Agreement between Registrant and Boston Partners Asset                 21
                       Management, L.P. relating to Classes QQ, RR and SS (Boston Partners
                       Large Cap Value Fund).
              (i)      Purchase Agreement between Registrant and Boston Partners Asset                 22
                       Management, L.P. relating to Classes TT and UU (Boston Partners Mid Cap
                       Value Fund).
              (j)      Purchase Agreement between Registrant and Boston Partners Asset                 24
                       Management L.P. relating to Classes VV and WW (Boston Partners Bond
                       Fund).
              (k)      Purchase Agreement between Registrant and Numeric Investors, L.P.               24
                       relating to Class XX (n/i Larger Cap Value Fund).
              (l)      Purchase Agreement between Registrant and Schneider Capital Management          29
                       Company relating to Class YY (Schneider Small Cap Value Fund).
              (m)      Purchase Agreement between Registrant and Boston Partners Asset                 29
                       Management, L.P. relating to Classes DDD and EEE (Boston Partners Micro
                       Cap Value Fund).
              (n)      Purchase Agreement between Registrant and Boston Partners Asset                 31
                       Management relating to Classes III and JJJ (Boston Partners Market
                       Neutral Fund).
              (o)      Purchase Agreement between Registrant and Provident Distributors, Inc.          31
                       relating to Class MMM (n/i Small Cap Value Fund).
              
   
              (p)      Form of Purchase Agreement between Registrant and Boston Partners Asset         32
                       Management, L. P. relating to Classes KKK and LLL (Boston Partners Long-
                       Short Equity Fund).
    

     (14)              None.
     (15)     (a)      Plan of Distribution (Sansom Street Money Market).                               3
              (b)      Plan of Distribution (Sansom Street Tax-Free Money Market).                      3

                                       6
<PAGE>
 (b) Exhibits:                                                                                   SEE NOTE #
              (c)      Plan of Distribution (Sansom Street Government Obligations Money                 3
                       Market).
              (d)      Plan of Distribution (Cash Preservation Money).                                  3
              (e)      Plan of Distribution (Cash Preservation Tax-Free Money Market).                  3
              (f)      Plan of Distribution (Bedford Money Market).                                     3
              (g)      Plan of Distribution (Bedford Tax-Free Money Market).                            3
              (h)      Plan of Distribution (Bedford Government Obligations Money Market).              3
              (i)      Plan of Distribution (Income Opportunities High Yield).                          7
              (j)      Amendment No. 1 to Plans of Distribution (Classes A through Q).                  8
              (k)      Plan of Distribution (Alpha (now known as Janney) Money Market)).                9
              (l)      Plan of Distribution (Alpha (now known as Janney) Tax-Free Money Market          9
                       (now known as the Municipal Money Market)).
              (m)      Plan of Distribution (Alpha (now known as Janney) Government                     9
                       Obligations Money Market).
              (n)      Plan of Distribution (Alpha (now known as Janney) New York Municipal             9
                       Money Market).
              (o)      Plan of Distribution (Beta Tax-Free Money Market).                               9
              (p)      Plan of Distribution (Beta Government Obligations Money Market).                 9
              (q)      Plan of Distribution (Beta New York Money Market).                               9
              (r)      Plan of Distribution (Gamma Tax-Free Money Market).                              9
              (s)      Plan of Distribution (Gamma Government Obligations Money Market).                9
              (t)      Plan of Distribution (Gamma New York Municipal Money Market).                    9
              (u)      Plan of Distribution (Delta Money Market).                                       9
              (v)      Plan of Distribution (Delta Tax-Free Money Market).                              9
              (w)      Plan of Distribution (Delta Government Obligations Money Market).                9
              (x)      Plan of Distribution (Delta New York Municipal Money Market).                    9
              (y)      Plan of Distribution (Epsilon Money Market).                                     9
              (z)      Plan of Distribution (Epsilon Tax-Free Money Market).                            9
              (aa)     Plan of Distribution (Epsilon Government Obligations Money Market).              9
              (bb)     Plan of Distribution (Epsilon New York Municipal Money Market).                  9
              (cc)     Plan of Distribution (Zeta Money Market).                                        9
              (dd)     Plan of Distribution (Zeta Tax-Free Money Market).                               9
              (ee)     Plan of Distribution (Zeta Government Obligations Money Market).                 9
              (ff)     Plan of Distribution (Zeta New York Municipal Money Market).                     9
              (gg)     Plan of Distribution (Eta Money Market).                                         9
              (hh)     Plan of Distribution (Eta Tax-Free Money Market).                                9
              (ii)     Plan of Distribution (Eta Government Obligations Money Market).                  9
              (jj)     Plan of Distribution (Eta New York Municipal Money Market).                      9
              (kk)     Plan of Distribution (Theta Money Market).                                       9
              (ll)     Plan of Distribution (Theta Tax-Free Money Market).                              9
              (mm)     Plan of Distribution (Theta Government Obligations Money Market).                9
              (nn)     Plan of Distribution (Theta New York Municipal Money Market).                    9
              (oo)     Plan of Distribution (Boston Partners Large Cap Value Fund Investor             21
                       Class).
              (pp)     Plan of Distribution (Boston Partners Large Cap Value Fund Advisor              21
                       Class).
              (qq)     Plan of Distribution (Boston Partners Mid Cap Value Fund Investor               21
                       Class).
              (rr)     Plan of Distribution (Boston Partners Bond Fund Investor Class).                24
              (ss)     Plan of Distribution (Boston Partners Micro Cap Value Fund Investor             25
                       Class).

                                       7
<PAGE>
 (b) Exhibits:                                                                                   SEE NOTE #
              (tt)     Amendment to Plans of Distribution pursuant to Rule 12b-1.                      31
              (uu)     Plan of Distribution (Boston Partners Market Neutral Fund - Investor            30
                       Class).
              (vv)     Plan of Distribution (Principal Money Market).                                  29
              
   
              (ww)     Form of Plan of Distribution (Boston Partners Long-Short Equity Fund-           32
                       Investor Class).
    

     (16)     (a)      Schedule for Computation of Performance Quotations for the Money Market         23
                       Portfolios, Government Securities Portfolio and Boston Partners Large
                       Cap and Mid Cap Portfolios.
              (b)      Schedule for Computation of Performance Quotations for the n/i                  24
                       Portfolios (Growth, Growth & Value and Micro Cap).
              (c)      Schedule for Computation of Performance Quotations for the n/i Larger           31
                       Cap Value Fund.
              (d)      Schedule for Computation of Performance Quotations for the Boston               31
                       Partners Micro Cap Fund.
              (e)      Schedule for Computation of Performance Quotations for the Boston               31
                       Partners Bond Fund.
     (17)     Not applicable.
     (18)     Amended 18f-3 Plan.                                                                      29
       
</TABLE>



NOTE #

1        Incorporated herein by reference to Registrant's Registration Statement
         (No. 33-20827) filed on March 24, 1988, and refiled electronically with
         Post-Effective Amendment No. 61 to Registrant's Registration Statement
         filed on October 30, 1998.

2        Incorporated  herein by reference to  Pre-Effective  Amendment No. 2 to
         Registrant's  Registration  Statement (No.  33-20827) filed on July 12,
         1988, and refiled  electronically with Post-Effective  Amendment No. 61
         to Registrant's Registration Statement filed on October 30, 1998.

3        Incorporated herein by reference to Post-Effective Amendment No. 1 to
         Registrant's Registration Statement (No. 33-20827) filed on March 23,
         1989, and refiled electronically with Post-Effective Amendment No. 61
         to Registrant's Registration Statement filed on October 30, 1998.

4        Incorporated herein by reference to Post-Effective Amendment No. 2 to
         Registrant's Registration Statement (No. 33-20827) filed on October 25,
         1989.

5        Incorporated herein by reference to Post-Effective Amendment No. 3 to
         the Registrant's Registration Statement (No. 33-20827) filed on April
         27, 1990, and refiled electronically with Post-Effective Amendment No.
         61 to Registrant's Registration Statement filed on October 30, 1998.

6        Incorporated herein by reference to Post-Effective Amendment No. 4 to
         the Registrant's Registration Statement (No. 33-20827) filed on May 1,
         1990, and refiled electronically with Post-Effective Amendment No. 61
         to Registrant's Registration Statement filed on October 30, 1998.

7        Incorporated herein by reference to Post-Effective Amendment No. 5 to
         the Registrant's Registration Statement (No. 33-20827) filed on
         December 14, 1990.

8        Incorporated herein by reference to Post-Effective Amendment No. 6 to
         the Registrant's Registration Statement (No. 33-20827) filed on October
         24, 1991, and refiled electronically with Post-Effective Amendment No.
         61 to Registrant's Registration Statement filed on October 30, 1998.

                                       8
<PAGE>


9        Incorporated herein by reference to Post-Effective Amendment No. 7 to
         the Registrant's Registration Statement (No. 33-20827) filed on July
         15, 1992, and refiled electronically with Post-Effective Amendment No.
         61 to Registrant's Registration Statement filed on October 30, 1998.

10       Incorporated herein by reference to Post-Effective Amendment No. 8 to
         the Registrant's Registration Statement (No. 33-20827) filed on October
         22, 1992, and refiled electronically with Post-Effective Amendment No.
         61 to Registrant's Registration Statement filed on October 30, 1998.

11       Incorporated herein by reference to Post-Effective Amendment No. 13 to
         the Registrant's Registration Statement (No. 33-20827) filed on October
         29, 1993, and refiled electronically with Post-Effective Amendment No.
         61 to Registrant's Registration Statement filed on October 30, 1998.

12       Incorporated herein by reference to Post-Effective Amendment No. 21 to
         the Registrant's Registration Statement (No. 33-20827) filed on October
         28, 1994, and refiled electronically with Post-Effective Amendment No.
         61 to Registrant's Registration Statement filed on October 30, 1998.

13       Incorporated herein by reference to Post-Effective Amendment No. 22 to
         the Registrant's Registration Statement (No. 33-20827) filed on
         December 19, 1994, and refiled electronically with Post-Effective
         Amendment No. 61 to Registrant's Registration Statement filed on
         October 30, 1998.

14       Incorporated herein by reference to Post-Effective Amendment No. 27 to
         the Registrant's Registration Statement (No. 33-20827) filed on March
         31, 1995.

15       Incorporated herein by reference to Post-Effective Amendment No. 28 to
         the Registrant's Registration Statement (No. 33-20827) filed on October
         6, 1995.

16       Incorporated herein by reference to Post-Effective Amendment No. 29 to
         the Registrant's Registration Statement (No. 33-20827) filed on October
         25, 1995.

17       Incorporated herein by reference to Post-Effective Amendment No. 34 to
         the Registrant's Registration Statement (No. 33-20827) filed on May 16,
         1996.

18       Incorporated herein by reference to Post-Effective Amendment No. 37 to
         the Registrant's Registration Statement (No. 33-20827) filed on July
         30, 1996.

19       Incorporated herein by reference to Post-Effective Amendment No. 39 to
         the Registrant's Registration Statement (No. 33-20827) filed on October
         11, 1996.

20       Incorporated herein by reference to Post-Effective Amendment No. 41 to
         the Registrant's Registration Statement (No. 33-20827) filed on
         November 27, 1996.

21       Incorporated herein by reference to Post-Effective Amendment No. 45 to
         the Registrant's Registration Statement (No. 33-20827) filed on May 9,
         1997.

22       Incorporated herein by reference to Post-Effective Amendment No. 46 to
         the Registrant's Registration Statement (33-20827) filed on September
         25, 1997.

23       Incorporated herein by reference to Post-Effective Amendment No. 49 to
         the Registrant's Registration Statement (33-20827) filed on December 1,
         1997.

24       Incorporated herein by reference to Post-Effective Amendment No. 51 to
         the Registrant's Registration Statement (33-20827) filed on December 8,
         1997.

25       Incorporated herein by reference to Post-Effective Amendment No. 53 to
         the Registrant's Registration Statement (33-20827) filed on April 10,
         1998.

                                       9
<PAGE>


26       Incorporated herein by reference to Post-Effective Amendment No. 56 to
         the Registrant's Registration Statement (33-20827) filed on June 25,
         1998.

27       Incorporated herein by reference to Post-Effective Amendment No. 58 to
         the Registrant's Registration Statement (33-20827) filed on August 25,
         1998.

28       Incorporated herein by reference to Post-Effective Amendment No. 59 to
         the Registrant's Registration Statement (33-20827) filed on September
         15, 1998.

29       Incorporated herein by reference to Post-Effective Amendment No. 60 to
         the Registrant's Registration Statement (33-20827) filed on October 29,
         1998.

30       Incorporated herein by reference to Post-Effective Amendment No. 62 to
         the Registrant's Registration Statement (33-20827) filed on November
         12, 1998.

31       Incorporated herein by reference to Post-Effective Amendment No. 63 to
         the Registrant's Registration Statement (33-20827) filed on December
         14, 1998.

32       A copy of such exhibit is filed electronically herewith.

Item 25.          PERSONS CONTROLLED BY OR UNDER COMMON CONTROL WITH REGISTRANT

                  None.

Item 26.          NUMBER OF HOLDERS OF SECURITIES


   
                  The following information is given as of May 12, 1999.
    

<TABLE>
<CAPTION>
TITLE OF CLASS OF COMMON STOCK                                                     NUMBER OF RECORD HOLDERS
- ------------------------------                                                     ------------------------
<S>      <C>                                                                                 <C>
   
a)       Cash Preservation Money Market                                                      35
b)       Cash Preservation Municipal Money Market                                            51
c)       Sansom Street Money Market                                                           2
d)       Sansom Street Municipal Money Market                                                 0
e)       Sansom Street Government Obligations Money Market                                    0
f)       Bedford Money Market                                                            59,090
g)       RBB Government Securities                                                          265
h)       Bedford Municipal Money Market                                                   5,235
i)       Bedford Government Obligations Money Market                                      8,273
j)       Janney Montgomery Scott Money Market                                           127,995
k)       Janney Montgomery Scott
         Municipal Money Market                                                           4,222
l)       Janney Montgomery Scott
         Government Obligations Money Market                                             33,279
m)       Janney Montgomery Scott
         New York Municipal Money Market                                                  1,399
n)       ni Micro Cap                                                                     2,260
o)       ni Growth                                                                        1,803
p)       ni Growth & Value                                                                3,834
q)       ni Larger Cap Value                                                                414
r)       Boston Partners Large Cap Value Fund - Institutional
         Class                                                                               32
s)       Boston Partners Large Cap Value Fund - Investor Class                               30
t)       Boston Partners Large Cap Value Fund - Advisor Class                                 0
    

                                       10
<PAGE>

   
u)       Boston Partners Mid Cap Value Fund - Investor Class                                 57
v)       Boston Partners Mid Cap Value Fund - Institutional Class                            82
w)       Boston Partners Premium Bond - Institutional Class                                   6
x)       Boston Partners Premium Bond - Investor Class                                        4
y)       Boston Partners Micro Cap Value - Institutional Class                               19
z)       Boston Partners Micro Cap Value - Investor Class                                    12
aa)      Boston Partners Market Neutral Fund - Institutional Class                            2
bb)      Boston Partners Market Neutral Fund - Investor Class                                 5
cc)      Schneider Small Cap Value Fund                                                      51
dd)      RBB Select Money Market                                                             36
ee)      n/i  Small Cap Value Fund                                                          249
    


</TABLE>

Item 27.  INDEMNIFICATION

         Sections 1, 2, 3 and 4 of Article VIII of Registrant's Articles of
Incorporation, as amended, incorporated herein by reference as Exhibits 1(a) and
1(c), provide as follows:

                  Section 1. To the fullest extent that limitations on the
         liability of directors and officers are permitted by the Maryland
         General Corporation Law, no director or officer of the Corporation
         shall have any liability to the Corporation or its shareholders for
         damages. This limitation on liability applies to events occurring at
         the time a person serves as a director or officer of the Corporation
         whether or not such person is a director or officer at the time of any
         proceeding in which liability is asserted.

                  Section 2. The Corporation shall indemnify and advance
         expenses to its currently acting and its former directors to the
         fullest extent that indemnification of directors is permitted by the
         Maryland General Corporation Law. The Corporation shall indemnify and
         advance expenses to its officers to the same extent as its directors
         and to such further extent as is consistent with law. The Board of
         Directors may by law, resolution or agreement make further provision
         for indemnification of directors, officers, employees and agents to the
         fullest extent permitted by the Maryland General Corporation law.

                  Section 3. No provision of this Article shall be effective to
         protect or purport to protect any director or officer of the
         Corporation against any liability to the Corporation or its security
         holders 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.

                  Section 4. References to the Maryland General Corporation Law
         in this Article are to the law as from time to time amended. No further
         amendment to the Articles of Incorporation of the Corporation shall
         decrease, but may expand, any right of any person under this Article
         based on any event, omission or proceeding prior to such amendment.

         Insofar as indemnification for liability arising under the Securities
Act of 1933 may be permitted to directors, officers and controlling persons of
Registrant pursuant to the foregoing provisions, or otherwise, Registrant has
been advised that in the opinion of the Securities and Exchange Commission such
indemnification is against public policy as expressed in the Act and is,
therefore, unenforceable. In the event that a claim for indemnification against
such liabilities (other than the payment by Registrant of expenses incurred or
paid by a director, officer or controlling person of Registrant in the
successful defense of any action, suit or proceeding) is asserted by such
director, officer or controlling person in connection with the securities being
registered, Registrant will, unless in the opinion of its counsel the matter has
been settled by controlling precedent, submit to a court of appropriate
jurisdiction the question whether such indemnification by it is against public
policy as expressed in the Act and will be governed by the final adjudication of
such issue.

                                       11
<PAGE>

Item 28.  BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISER

         Information as to any other business, profession, vocation or
employment of substantial nature in which any directors and officers of BIMC,
Numeric, Boston Partners and Schneider Capital Management Company are, or at any
time during the past two (2) years have been, engaged for their own accounts or
in the capacity of director, officer, employee, partner or trustee is
incorporated herein by reference to Schedules A and D of BIMC's FORM ADV (File
No. 801-13304) filed on February 23, 1998, Schedules B and D of Numeric's FORM
ADV (File No. 801-35649) filed on March 26, 1998, Schedules B and D of Boston
Partners' FORM ADV (File No. 801-49059) filed on March 31, 1998, and Schedules B
and D of Schneider Capital Management Company's FORM ADV (File No. 801-55439)
filed on April 25, 1998, respectively.

         There is set forth below information as to any other business,
profession, vocation or employment of a substantial nature in which each
director or officer of PNC Bank, National Association (successor by merger to
Provident National Bank) ("PNC Bank"), is, or at any time during the past two
years has been, engaged for his own account or in the capacity of director,
officer, employee, partner or trustee.

                                       12
<PAGE>



<TABLE>
<CAPTION>



                                          PNC BANK, NATIONAL ASSOCIATION
                                                     DIRECTORS

POSITION WITH PNC    NAME                       OTHER BUSINESS CONNECTIONS                  TYPE OF BUSINESS
BANK
<S>                  <C>                        <C>                                         <C>    
   
Director             Paul W. Chellgren          Chairman and Chief Executive Officer        Energy Company
                                                Ashland Inc.
                                                P.O. 391
                                                Covington, KY 41012-0391

Director             Robert N. Clay             President and Chief Executive Officer       Investments
                                                Clay Holding Company
                                                Three Chimneys Farm
                                                P. O. Box 114
                                                Midway. KY 40347

Director             George A. Davidson, Jr.    Chairman and Chief Executive Officer        Public Utility Holding
                                                Consolidated Natural Gas Company
                                                CNG Tower, 625 Liberty Avenue
                                                Pittsburgh, PA 15222-3199
    
Director             David F. Girard-diCarlo    Managing Partner                            Law Firm
                                                Blank Rome Comisky & McCauley LLP
                                                One Logan Square
                                                Philadelphia, PA 19103-6998

   
Director             Walter E. Gregg, Jr.       Vice Chairman                               Diversified Financial
                                                PNC Bank Corp.                              Services
                                                One PNC Plaza,
                                                249 Fifth Street
                                                Pittsburgh, PA 15222-2707
    

Director             William R. Johnson         President and Chief Executive Officer       Food Products Company
                                                H.J. Heinz Company
                                                600 Grant Street
                                                Pittsburgh, PA 15219-2857


   
Director             Bruce C. Lindsey           Chairman and Managing Director              Advisory Company
                                                Brind-Lindsey & Co.
                                                1926 Arch Street
                                                Philadelphia, PA 19103-1444
    


Director             W. Craig McClelland        Chairman and Chief Executive Officer        Paper Manufacturing and Land
                                                Union Camp Corporation                      Resources
                                                1600 Valley Road
                                                Wayne, NJ 07470

</TABLE>
                                       13
<PAGE>

<TABLE>
<CAPTION>


POSITION WITH        NAME                       OTHER BUSINESS CONNECTIONS                  TYPE OF BUSINESS
PNC BANK
<S>                  <C>                        <C>                                         <C>   

   
Director             Thomas H. O'Brien          Chairman and Chief Executive Officer        Diversified Financial
                                                PNC Bank Corp.                              Services
                                                One PNC Plaza,
                                                249 Fifth Avenue
                                                Pittsburgh, PA 15222-2707
    


Director             Jane G. Pepper             President                                   Nonprofit Horticultural
                                                Pennsylvania Horticultural Society          Membership Organization
                                                100 N. 20th Street -5th Floor
                                                Philadelphia, PA 19103-1495

Director             Jackson H. Randolph        Chairman                                    Public Utility Holding
                                                Cinergy Corp.                               Company
                                                221 East Fourth Street, Suite 3004
                                                Cincinnati, OH 45202


   
Director             James E. Rohr              President & Chief Operating Officer         Diversified Financial
                                                PNC Bank Corp.                              Services
                                                One PNC Plaza
                                                249 Fifth Street
                                                Pittsburgh PA 15222-2707


Director             Roderic H. Ross            Vice Chairman and Chief Executive Officer   Insurance Company
                                                Keystone State Life Insurance Co.
                                                Suite 325
                                                501 Office Center Drive
                                                Fort Washington, PA 19034-3299
    


Director             Richard P. Simmons         Chairman, President & CEO                   Specialty Metals and
                                                Allegheny Teledyne Incorporated             Diversified Business
                                                1000 Six PPG Place
                                                Pittsburgh, PA 15222-5479

Director             Thomas J. Usher            Chairman and Chief Executive Officer        Energy, Steel and
                                                USX Corporation                             Diversified Business
                                                61st Floor
                                                600 Grant Street
                                                Pittsburgh, PA 15219-4776

Director             Milton A. Washington       President and Chief Executive Officer       Housing Rehabilitation and
                                                AHRCO                                       Construction
                                                5604 Baum Boulevard
                                                Pittsburgh, PA 15206


   
Advisory Director    Helge H. Wehmeier          President and Chief Executive Officer
                                                Bayer Corporation
                                                100 Bayer Road, Building 4
                                                Pittsburgh, PA 15205-9741
    


</TABLE>
                                       14
<PAGE>

<TABLE>
<CAPTION>


   
                 PNC BANK CORP. / PNC BANK, NATIONAL ASSOCIATION
                                    OFFICERS

      NAME                           POSITION                               ADDRESS
<S>                       <C>                                           <C>    
Thomas H. O'Brien         Chairman and Chief Executive Officer          PNC Bank Corp.
                                                                        One PNC Plaza
                                                                        249 Fifth Avenue
                                                                        Pittsburgh, PA 15222-2707


James E. Rohr             President and Chief Operating Officer         PNC Bank Corp.
                                                                        One PNC Plaza
                                                                        249 Fifth Avenue
                                                                        Pittsburgh, PA 15222-2707

Walter E. Gregg           Vice Chairman                                 PNC Bank Corp.
                                                                        One PNC Plaza
                                                                        249 Fifth Avenue
                                                                        Pittsburgh, PA 15222-2707

Ralph S. Michael, III     Executive Vice President, Corporate Banking   One PNC Plaza P1-POPP-30-1
                                                                        249 Fifth Avenue
                                                                        Pittsburgh, PA 15222-2707

Bruce E. Robbins          Executive Vice President, Secured Lending     One PNC Plaza P1-POPP-30-1
                                                                        249 Fifth Avenue
                                                                        Pittsburgh, PA 15222-2707

Joseph C. Guyaux          Executive Vice President, Regional            One PNC Plaza P1-POPP-29-1
                          Community Bank                                249 Fifth Avenue
                                                                        Pittsburgh, PA 15222-2707

Thomas K. Whitford        Executive Vice President, Private Bank        One PNC Plaza P1-POPP-29-1
                                                                        249 Fifth Avenue
                                                                        Pittsburgh, PA 15222-2707

Robert L. Haunschild      Senior Vive President and Chief Financial     One PNC Plaza
                          Officer                                       249 Fifth Avenue
                                                                        Pittsburgh, PA 15222-2707

Thomas E. Paisley, III    Senior Vice President, Corporate Credit       One PNC Plaza
                          Policy                                        249 Fifth Avenue
                                                                        Pittsburgh, PA 15222-2707

Helen P. Pudlin           Senior Vice President and General Counsel     One PNC Plaza P1-POPP-21-1
                                                                        249 Fifth Avenue
                                                                        Pittsburgh, PA 15222-2707

Samuel R. Patterson       Controller                                    One PNC Plaza
                                                                        30th Floor
                                                                        249 Fifth Avenue
                                                                        Pittsburgh, PA 15222-2707
    

</TABLE>
                                       15
<PAGE>






(1)      PNC Bank, National Association, 
         120 S. 17th Street, Philadelphia, PA 19103
         1600 Market Street, Philadelphia, PA 19103 
         17th and Chestnut Streets, Philadelphia, PA 19103

(2)      PNC National Bank, 103 Bellevue Parkway, Wilmington, DE 19809.

(3)      PFPC Inc., 103 Bellevue Parkway, Wilmington, DE 19809.

(4)      PNC Service Corp, 103 Bellevue Parkway, Wilmington, DE 19809.

(5)      Provident Capital Management, Inc., 30 S. 17th Street, Suite 1500,
         Philadelphia, PA 19103.

(6)      PNC Investment Corp., Broad and Chestnut Street, Philadelphia, PA
         19101.

(7)      Provident Realty Management, Inc., Broad and Chestnut Streets,
         Philadelphia, PA 19101.

(8)      Provident Realty, Inc., Broad and Chestnut Streets, Philadelphia, PA
         19101.

(9)      PNC Bancorp, Inc., 222 Delaware Avenue, Wilmington, DE 19810

(10)     PNC New Jersey Credit Corp, 1415 Route 70 East, Suite 604, Cherry Hill,
         NJ 08034.

(11)     PNC Trust Company of New York, 40 Broad Street, New York, NY 10084.

(12)     Provcor Properties, Inc., Broad and Chestnut Streets, Philadelphia, PA
         19101.

(13)     PNC Credit Corp, 103 Bellevue Parkway, Wilmington, DE 19809.

(14)     PNC Bank Corp., 5th Avenue and Wood Streets, Pittsburgh, PA 15265.

(15)     PNC Bank, New Jersey, National Association, Woodland Falls Corporate
         Park, 210 Lake Drive East, Cherry Hill, NJ 08002.

(16)     PNC Capital Corp, 5th Avenue and Woods Streets, Pittsburgh, PA 15265.

(17)     PNC Holding Corp, 222 Delaware Avenue, P.O. Box 791, Wilmington, DE
         19899.

(18)     PNC Venture Corp, 5th Avenue and Woods Streets, Pittsburgh, PA 15265.

(19)     PNC Bank, Delaware, 300 Delaware Avenue, Wilmington, DE 19801.

(20)     Bank of Delaware Corp., 300 Delaware Avenue, Wilmington, DE  19801.

(21)     Del-Vest, Inc., 300 Delaware Avenue, Wilmington, DE 19801.

(22)     Marand Corp., 222 Delaware Avenue, Wilmington, DE 19801.

(23)     Millsboro Insurance Agency, 300 Delaware Avenue, Wilmington, DE 19801.

(24)     Roney-Richards, Inc., 300 Delaware Avenue, Wilmington, DE 19801.

Item 29. PRINCIPAL UNDERWRITER

                                       16

<PAGE>

         (a) Provident Distributors, Inc. (the "Distributor") acts as principal 
             underwriter for the following investment companies:

         Pacific Horizon Funds, Inc.
         Time Horizon Funds
         World Horizon Funds, Inc.
         Pacific Innovations Trust

         International Dollar Reserve Fund I, Ltd.
         Municipal Fund for Temporary Investment
         Municipal Fund for New York  Investors, Inc.
         Municipal Fund for California Investors, Inc.
         Temporary Investment Fund, Inc.
         Trust for Federal Securities

         Columbia Common Stock Fund, Inc.
         Columbia Growth Fund, Inc.
         Columbia International Stock Fund, Inc.
         Columbia Special Fund, Inc.
         Columbia Small Cap Fund, Inc.
         Columbia Real Estate Equity Fund, Inc.
         Columbia Balanced Fund, Inc.
         Columbia Daily Income Company
         Columbia U.S. Government Securities Fund, Inc.
         Columbia Fixed Income Securities Fund, Inc.
         Columbia Municipal Bond Fund, Inc.
         Columbia High Yield Fund, Inc.

         The BlackRock Funds, Inc. (Distributed by BlackRock Distributors , Inc.
         a wholly owned subsidiary of Provident Distributors, Inc.)

         The OffitBank Investment Fund, Inc.
         The OffitBank Variable Insurance Fund, Inc.
         CVO Greater China Fund, Inc. (Distributed by Offit Funds Distributors, 
         Inc. a wholly owned subsidiary of Provident Distributors, Inc.

         Kiewit Mutual Fund

         Kalmar Pooled Investment Trust


         (b) The information required by this item 29(b) is incorporated by
         reference to Form BD (SEC File No. 8-46564) filed by the Distributor
         with the Securities and Exchange Commission pursuant to the Securities
         Exchange Act of 1934.


Item 30.  LOCATION OF ACCOUNTS AND RECORDS

         (1)      PFPC Trust Company (assignee under custodian agreement), 400
                  Bellevue Parkway, Wilmington, DE  19809 (records relating to 
                  its functions as sub-adviser and custodian).

         (2)      Provident Distributors, Inc., Four Falls Corporate Center, 6th
                  Floor, West Conshohocken, PA 19428 (records relating to its
                  functions as distributor).

                                       17

<PAGE>

         (3)      BlackRock Institutional Management Corporation, Bellevue
                  Corporate Center, 103 Bellevue Parkway, Wilmington, Delaware
                  19809 (records relating to its functions as investment
                  adviser, sub-adviser and administrator).

         (4)      PFPC Inc., Bellevue Corporate Center, 400 Bellevue Parkway,
                  Wilmington, Delaware 19809 (records relating to its functions
                  as transfer agent and dividend disbursing agent).

         (5)      Drinker Biddle & Reath LLP, Philadelphia National Bank
                  Building, 1345 Chestnut Street, Philadelphia, Pennsylvania
                  19107-3496 (Registrant's Articles of Incorporation, By-Laws
                  and Minute Books).

         (6)      Numeric Investors, L.P., 1 Memorial Drive, Cambridge, 
                  Massachusetts 02142 (records relating to its function as
                  investment adviser).

         (7)      Boston Partners Asset Management, L.P., One Financial Center,
                  43rd Floor, Boston, Massachusetts 02111 (records relating to
                  its function as investment adviser).

         (8)      Schneider Capital Management Co., 460 East Swedesford Road,
                  Suite 1080, Wayne, Pennsylvania 19087 (records relating to its
                  function as investment adviser).

         (9)      Custodial Trust Company, 101 Carnegie Center, Princeton, New 
                  Jersey 08540 (records relating to its functions as custodian).

Item 31.     MANAGEMENT SERVICES

                  None.

Item 32.      UNDERTAKINGS

                  (a) Registrant hereby undertakes to hold a meeting of
                  shareholders for the purpose of considering the removal of
                  directors in the event the requisite number of shareholders so
                  request.

                  (b) Registrant hereby undertakes to furnish each person to
                  whom a prospectus is delivered a copy of Registrant's latest
                  annual report to shareholders upon request and without charge.

                                       18
<PAGE>


                                                    SIGNATURES

   
                  Pursuant to the requirements of the Securities Act of 1933, as
amended, and the Investment Company Act of 1940, as amended, the Registrant has
duly caused this Post-Effective Amendment No. 65 to the Registration Statement
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Wilmington, and State of Delaware, on the 19th day of May, 1999.
    


                                            THE RBB FUND, INC.


                                            By:   /S/ EDWARD J. ROACH 
                                                 
                                               Edward J. Roach
                                               President and Treasurer

         Pursuant to the requirements of the Securities Act of 1933, this
Post-Effective Amendment to Registrant's Registration Statement has been signed
below by the following persons in the capacities and on the date indicated.

                SIGNATURE                     TITLE                   DATE

   
/S/ EDWARD J. ROACH           President (Principal Executive        May 19, 1999
- -----------------------
Edward J. Roach               Officer) and Treasurer (Principal
                              Financial and Accounting Officer)

*/S/DONALD VAN RODEN          Director                              May 19, 1999
- ------------------------
Donald van Roden
*/S/FRANCIS J. MCKAY          Director                              May 19, 1999
- -------------------------
Francis J. McKay
*/S/MARVIN E. STERNBERG       Director                              May 19, 1999
- -------------------------
Marvin E. Sternberg
*/S/JULIAN A. BRODSKY         Director                              May 19, 1999
- -------------------------
Julian A. Brodsky
*/S/ARNOLD M. REICHMAN        Director                              May 19, 1999
- -------------------------
Arnold M. Reichman
*/S/ROBERT SABLOWSKY          Director                              May 19, 1999
- -------------------------
Robert Sablowsky
*By: /S/ EDWARD J. ROACH                                            May 19, 1999
- -------------------------
Edward J. Roach
Attorney-in-Fact
    
                                       19
<PAGE>

                               THE RBB FUND, INC.
                                 (the "Company")

                                POWER OF ATTORNEY

         Know All Men by These Presents, that the undersigned, Donald van Roden,
hereby constitutes and appoints Edward J. Roach and Michael P. Malloy, his true
and lawful attorneys, to execute in his name, place, and stead, in his capacity
as Director or officer, or both, of the Company, the Registration Statement and
any amendments thereto and all instruments necessary or incidental in connection
therewith, and to file the same with the Securities and Exchange Commission; and
said attorneys shall have full power and authority to do and perform in his name
and on his behalf, in any and all capacities, every act whatsoever requisite or
necessary to be done in the premises, as fully and to all intents and purposes
as he might or could do in person, said acts of said attorneys being hereby
ratified and approved.


DATED:   April 23, 1997


/S/ DONALD VAN RODEN        
    Donald van Roden


<PAGE>


                               THE RBB FUND, INC.
                                 (the "Company")

                                POWER OF ATTORNEY

         Know All Men by These Presents, that the undersigned, Marvin E.
Sternberg, hereby constitutes and appoints Edward J. Roach and Michael P.
Malloy, his true and lawful attorneys, to execute in his name, place, and stead,
in his capacity as Director or officer, or both, of the Company, the
Registration Statement and any amendments thereto and all instruments necessary
or incidental in connection therewith, and to file the same with the Securities
and Exchange Commission; and said attorneys shall have full power and authority
to do and perform in his name and on his behalf, in any and all capacities,
every act whatsoever requisite or necessary to be done in the premises, as fully
and to all intents and purposes as he might or could do in person, said acts of
said attorneys being hereby ratified and approved.


DATED:   April 23, 1997


/S/ MARVIN E. STERNBERG    
    Marvin E. Sternberg

<PAGE>


                               THE RBB FUND, INC.
                                 (the "Company")


                                POWER OF ATTORNEY


         Know All Men by These Presents, that the undersigned, Arnold Reichman,
hereby constitutes and appoints Edward J. Roach and Michael P. Malloy, his true
and lawful attorneys, to execute in his name, place, and stead, in his capacity
as Director or officer, or both, of the Company, the Registration Statement and
any amendments thereto and all instruments necessary or incidental in connection
therewith, and to file the same with the Securities and Exchange Commission; and
said attorneys shall have full power and authority to do and perform in his name
and on his behalf, in any and all capacities, every act whatsoever requisite or
necessary to be done in the premises, as fully and to all intents and purposes
as he might or could do in person, said acts of said attorneys being hereby
ratified and approved.


DATED:   April 23, 1997


/S/ ARNOLD REICHMAN        
    Arnold Reichman


<PAGE>


                               THE RBB FUND, INC.
                                 (the "Company")

                                POWER OF ATTORNEY

         Know All Men by These Presents, that the undersigned, Francis J. McKay,
hereby constitutes and appoints Edward J. Roach and Michael P. Malloy, his true
and lawful attorneys, to execute in his name, place, and stead, in his capacity
as Director or officer, or both, of the Company, the Registration Statement and
any amendments thereto and all instruments necessary or incidental in connection
therewith, and to file the same with the Securities and Exchange Commission; and
said attorneys shall have full power and authority to do and perform in his name
and on his behalf, in any and all capacities, every act whatsoever requisite or
necessary to be done in the premises, as fully and to all intents and purposes
as he might or could do in person, said acts of said attorneys being hereby
ratified and approved.


DATED:   April 23, 1997


/S/ FRANCIS J. MCKAY       
    Francis J. McKay


<PAGE>


                               THE RBB FUND, INC.
                                 (the "Company")

                                POWER OF ATTORNEY

         Know All Men by These Presents, that the undersigned, Julian Brodsky,
hereby constitutes and appoints Edward J. Roach and Michael P. Malloy, his true
and lawful attorneys, to execute in his name, place, and stead, in his capacity
as Director or officer, or both, of the Company, the Registration Statement and
any amendments thereto and all instruments necessary or incidental in connection
therewith, and to file the same with the Securities and Exchange Commission; and
said attorneys shall have full power and authority to do and perform in his name
and on his behalf, in any and all capacities, every act whatsoever requisite or
necessary to be done in the premises, as fully and to all intents and purposes
as he might or could do in person, said acts of said attorneys being hereby
ratified and approved.


DATED:   April 23, 1997


/S/ JULIAN BRODSKY         
    Julian Brodsky


<PAGE>


                               THE RBB FUND, INC.
                                 (the "Company")


                                POWER OF ATTORNEY


         Know All Men by These Presents, that the undersigned, Robert Sablowsky,
hereby constitutes and appoints Edward J. Roach and Michael P. Malloy, his true
and lawful attorneys, to execute in his name, place, and stead, in his capacity
as Director or officer, or both, of the Company, the Registration Statement and
any amendments thereto and all instruments necessary or incidental in connection
therewith, and to file the same with the Securities and Exchange Commission; and
said attorneys shall have full power and authority to do and perform in his name
and on his behalf, in any and all capacities, every act whatsoever requisite or
necessary to be done in the premises, as fully and to all intents and purposes
as he might or could do in person, said acts of said attorneys being hereby
ratified and approved.


DATED:   April 23, 1997


/S/ ROBERT SABLOWSKY       
    Robert Sablowsky

<PAGE>

                               THE RBB FUND, INC.

                                  EXHIBIT INDEX

EXHIBITS

5    (u)   Form of Investment Advisory Agreement between Registrant and Boston
           Partners Asset Management, L. P.(Boston Partners Long-Short Equity
           Fund).

6    (e)   Form of Distribution Agreement Supplement between Registrant and
           Provident Distributors, Inc. (Boston Partners Long-Short Equity Fund-
           Institutional Class).

6    (f)   Form of Distribution Agreement Supplement between Registrant and
           Provident Distributors, Inc. (Boston Partners Long-Short Equity Fund-
           Investor Class).

8    (n)   Form of Custodian Agreement Supplement between Registrant and PFPC
           Trust Company (Boston Partners Long-Short Equity Fund).

9    (vv)  Form of Transfer Agency Agreement Supplement between Registrant and
           PFPC, Inc. (Boston Partners Long-Short Equity Fund).

9    (ww)  Form Of Administrative Services Agreement Supplement between
           registrant and Provident Distributors, Inc. (Boston Partners Long-
           Short Equity Fund- Institutional Class).

9    (xx)  Form of Administration and Accounting Services Agreement between
           Registrant and PFPC, Inc. (Boston Partners Long-Short Equity Fund).

10         Opinion of Counsel concerning validity of shares issued.

11   (a)   Consent of Drinker Biddle & Reath LLP

13   (p)   Form of Purchase Agreement between Registrant and Boston Partners
           Asset Management, L. P.(Boston Partners Long-Short Equity Fund).

15   (ww)  Form of Plan Of Distribution (Boston Partners Long-Short Equity
           Fund- Investor Class).


                                                                    Exhibit 5(u)

                          INVESTMENT ADVISORY AGREEMENT

                     Boston Partners Long-Short Equity Fund

         AGREEMENT made as of ______, 1999 between THE RBB FUND, INC., a
Maryland corporation (herein called the "Fund"), and Boston Partners Asset
Management, L.P. (herein called the "Investment Advisor").

         WHEREAS, the Fund is registered as an open-end, management investment
company under the Investment Company Act of 1940 (the "1940 Act") and currently
offers or proposes to offer shares representing interests in separate investment
portfolios; and

         WHEREAS, the Fund desires to retain the Investment Advisor to render
certain investment advisory services to the Fund with respect to the Fund's
Boston Partners Long Short Equity Fund (the "Portfolio"), and the Investment
Advisor is willing to so render such services.

         NOW, THEREFORE, in consideration of the premises and mutual covenants
herein contained, and intending to be legally bound hereby, it is agreed between
the parties hereto as follows:

         1. APPOINTMENT. The Fund hereby appoints the Investment Advisor to act
as investment advisor for the Portfolio for the period and on the terms set
forth in this Agreement. The Investment Advisor accepts such appointment and
agrees to render the services herein set forth, for the compensation herein
provided.

         2. DELIVERY OF DOCUMENTS. The Fund has furnished the Investment Advisor
with copies properly certified or authenticated of each of the following:

            (a) Resolutions of the Board of Directors of the Fund authorizing 
the appointment of the Investment Advisor and the execution and delivery of this
Agreement;

            (b) Each prospectus and statement of additional information relating
to any class of Shares representing interests in the Portfolio of the Fund in
effect under the 1933 Act (such prospectus and statement of additional
information, as presently in effect and as they shall from time to time be
amended and supplemented, are herein collectively called the "Prospectus" and
"Statement of Additional Information," respectively).

         The Fund will promptly furnish the Investment Advisor from time to time
with copies, properly certified or 


<PAGE>

authenticated, of all amendments of or supplements to the foregoing, if any.

         In addition to the foregoing, the Fund will also provide the Investment
Advisor with copies of the Fund's Charter and By-laws, and any registration
statement or service contracts related to the Portfolio, and will promptly
furnish the Investment Advisor with any amendments of or supplements to such
documents.

         3. MANAGEMENT OF THE PORTFOLIO. Subject to the supervision of the Board
of Directors of the Fund, the Investment Advisor will provide for the overall
management of the Portfolio including (i) the provision of a continuous
investment program for the Portfolio, including investment research and
management with respect to all securities, investments, cash and cash
equivalents in the Portfolio, (ii) the determination from time to time of what
securities and other investments will be purchased, retained, or sold by the
Fund for the Portfolio, and (iii) the placement from time to time of orders for
all purchases and sales made for the Portfolio. The Investment Advisor will
provide the services rendered by it hereunder in accordance with the Portfolio's
investment objectives, restrictions and policies as stated in the applicable
Prospectus and the Statement of Additional Information, provided that the
Investment Adviser has actual notice or knowledge of any changes by the Board of
Directors to such investment objectives, restrictions or policies. The
Investment Advisor further agrees that it will render to the Fund's Board of
Directors such periodic and special reports regarding the performance of its
duties under this Agreement as the Board may reasonably request. The Investment
Advisor agrees to provide to the Fund (or its agents and service providers)
prompt and accurate data with respect to the Portfolio's transactions and, where
not otherwise available, the daily valuation of securities in the Portfolio.

         4. BROKERAGE. Subject to the Investment Advisor's obligation to obtain
best price and execution, the Investment Advisor shall have full discretion to
select brokers or dealers to effect the purchase and sale of securities. When
the Investment Advisor places orders for the purchase or sale of securities for
the Portfolio, in selecting brokers or dealers to execute such orders, the
Investment Advisor is expressly authorized to consider the fact that a broker or
dealer has furnished statistical, research or other information or services for
the benefit of the Portfolio directly or indirectly. Without limiting the
generality of the foregoing, the Investment Advisor is authorized to cause the
Portfolio to pay brokerage commissions which may be in excess of the lowest
rates available to brokers who execute transactions for the Portfolio or who
otherwise provide brokerage and research services utilized by the Investment
Advisor, provided that the Investment Advisor 

                                      -2-

<PAGE>

determines in good faith that the amount of each such commission paid to a
broker is reasonable in relation to the value of the brokerage and research
services provided by such broker viewed in terms of either the particular
transaction to which the commission relates or the Investment Advisor's overall
responsibilities with respect to accounts as to which the Investment Advisor
exercises investment discretion. The Investment Advisor may aggregate securities
orders so long as the Investment Advisor adheres to a policy of allocating
investment opportunities to the Portfolio over a period of time on a fair and
equitable basis relative to other clients. In no instance will the Portfolio's
securities be purchased from or sold to the Fund's principal underwriter, the
Investment Advisor, or any affiliated person thereof, except to the extent
permitted by SEC exemptive order or by applicable law.

                  The Investment Advisor shall report to the Board of Directors
of the Fund at least quarterly with respect to brokerage transactions that were
entered into by the Investment Advisor, pursuant to the foregoing paragraph, and
shall certify to the Board that the commissions paid were reasonable in terms
either of that transaction or the overall responsibilities of the Advisor to the
Fund and the Investment Advisor's other clients, that the total commissions paid
by the Fund were reasonable in relation to the benefits to the Fund over the
long term, and that such commissions were paid in compliance with Section 28(e)
of the Securities Exchange Act of 1934.

         5. CONFORMITY WITH LAW; CONFIDENTIALITY. The Investment Advisor further
agrees that it will comply with all applicable rules and regulations of all
federal regulatory agencies having jurisdiction over the Investment Advisor in
the performance of its duties hereunder. The Investment Advisor will treat
confidentially and as proprietary information of the Fund all records and other
information relating to the Fund and will not use such records and information
for any purpose other than performance of its responsibilities and duties
hereunder, except after prior notification to and approval in writing by the
Fund, which approval shall not be unreasonably withheld and may not be withheld
where the Investment Advisor may be exposed to civil or criminal contempt
proceedings for failure to comply, when requested to divulge such information by
duly constituted authorities, or when so requested by the Fund.

         6. SERVICES NOT EXCLUSIVE. The Investment Advisor and its officers may
act and continue to act as investment managers for others, and nothing in this
Agreement shall in any way be deemed to restrict the right of the Investment
Advisor to perform investment management or other services for any other person
or entity, and the performance of such services for others shall not be deemed
to violate or give rise to any duty or obligation to the Portfolio or the Fund.

                                      -3-

<PAGE>

         Nothing in this Agreement shall limit or restrict the Investment
Advisor or any of its partners, officers, affiliates or employees from buying,
selling or trading in any securities for its or their own account. The Fund
acknowledges that the Investment Advisor and its partners, officers, affiliates,
employees and other clients may, at any time, have, acquire, increase, decrease,
or dispose of positions in investments which are at the same time being acquired
or disposed of for the Portfolio. The Investment Advisor shall have no
obligation to acquire for the Portfolio a position in any investment which the
Investment Advisor, its partners, officers, affiliates or employees may acquire
for its or their own accounts or for the account of another client, so long as
it continues to be the policy and practice of the Investment Advisor not to
favor or disfavor consistently or consciously any client or class of clients in
the allocation of investment opportunities so that, to the extent practical,
such opportunities will be allocated among clients over a period of time on a
fair and equitable basis.

         The Investment Advisor agrees that this Paragraph 6 does not constitute
a waiver by the Fund of the obligations imposed upon the Investment Advisor to
comply with Sections 17(d) and 17(j) of the 1940 Act, and the rules thereunder,
nor constitute a waiver by the Fund of the obligations imposed upon the
Investment Advisor under Section 206 of the Investment Advisers Act of 1940 and
the rules thereunder. Further, the Investment Advisor agrees that this Paragraph
6 does not constitute a waiver by the Fund of the fiduciary obligation of the
Investment Advisor arising under federal or state law, including Section 36 of
the 1940 Act. The Investment Advisor agrees that this Paragraph 6 shall be
interpreted consistent with the provisions of Section 17(i) of the 1940 Act.

         7. BOOKS AND RECORDS. In compliance with the requirements of Rule 31a-3
under the 1940 Act, the Investment Advisor hereby agrees that all records which
it maintains for the Portfolio are the property of the Fund and further agrees
to surrender promptly to the Fund any of such records upon the Fund's request.
The Investment Advisor further agrees to preserve for the periods prescribed by
Rule 31a-2 under the 1940 Act the records required to be maintained by Rule
31a-1 under the 1940 Act.

         8. EXPENSES. During the term of this Agreement, the Investment Advisor
will pay all expenses incurred by it in connection with its activities under
this Agreement. The Portfolio shall bear all of its own expenses not
specifically assumed by the Investment Advisor. General expenses of the Fund not
readily identifiable as belonging to a portfolio of the Fund shall be allocated
among all investment portfolios by or under the direction of the Fund's Board of
Directors in such manner as 

                                      -4-

<PAGE>

the Board determines to be fair and equitable. Expenses borne by the Portfolio
shall include, but are not limited to, the following (or the portfolio's share
of the following): (a) the cost (including brokerage commissions) of securities
purchased or sold by the Portfolio and any losses incurred in connection
therewith; (b) fees payable to and expenses incurred on behalf of the Portfolio
by the Investment Advisor; (c) filing fees and expenses relating to the
registration and qualification of the Fund and the Portfolio's shares under
federal and/or state securities laws and maintaining such registrations and
qualifications; (d) fees and salaries payable to the Fund's directors and
officers; (e) taxes (including any income or franchise taxes) and governmental
fees; (f) costs of any liability and other insurance or fidelity bonds; (g) any
costs, expenses or losses arising out a liability of or claim for damages or
other relief asserted against the Fund or the Portfolio for violation of any
law; (h) legal, accounting and auditing expenses, including legal fees of
special counsel for the independent directors; (i) charges of custodians and
other agents; (j) expenses of setting in type and printing prospectuses,
statements of additional information and supplements thereto for existing
shareholders, reports, statements, and confirmations to shareholders and proxy
material that are not attributable to a class; (k) costs of mailing
prospectuses, statements of additional information and supplements thereto to
existing shareholders, as well as reports to shareholders and proxy material
that are not attributable to a class; (1) any extraordinary expenses; (m) fees,
voluntary assessments and other expenses incurred in connection with membership
in investment company organizations; (n) costs of mailing and tabulating proxies
and costs of shareholders' and directors' meetings; (o) costs of independent
pricing services to value a portfolio's securities; and (p) the costs of
investment company literature and other publications provided by the Fund to its
directors and officers. Distribution expenses, transfer agency expenses,
expenses of preparation, printing and mailing, prospectuses, statements of
additional information, proxy statements and reports to shareholders, and
organizational expenses and registration fees, identified as belonging to a
particular class of the Fund are allocated to such class.

         If the expenses borne by the Portfolio in any fiscal year exceed the
most restrictive applicable expense limitations imposed by the securities
regulations of any state in which the Shares of the Portfolio are registered or
qualified for sale to the public, the Investment Advisor shall reimburse the
Portfolio for any excess up to the amount of the fees payable by the Portfolio
to it during such fiscal year pursuant to Paragraph 9 hereof in the same
proportion that its fees bear to the total fees paid by the Fund for investment
advisory services in respect of the Portfolio; PROVIDED, HOWEVER, that
notwithstanding the foregoing, the Investment Advisor shall reimburse the
Portfolio 

                                      -5-

<PAGE>

for such excess expenses regardless of the amount of such fees payable to it
during such fiscal year to the extent that the securities regulations of any
state in which the Shares are registered or qualified for sale so require.

         9. VOTING. The Investment Advisor shall have the authority to vote as
agent for the Fund, either in person or by proxy, tender and take all actions
incident to the ownership of all securities in which Portfolio's assets may be
invested from time to time, subject to such policies and procedures as the Board
of Directors of the Fund may adopt from time to time.

         10. RESERVATION OF NAME. The Investment Advisor shall at all times have
all rights in and to the Portfolio's name and all investment models used by or
on behalf of the Portfolio. The Investment Advisor may use the Portfolio's name
or any portion thereof in connection with any other mutual fund or business
activity without the consent of any shareholder and the Fund shall execute and
deliver any and all documents required to indicate the consent of the Fund to
such use.

         11. COMPENSATION.

             (a) For the services provided and the expenses assumed pursuant to
this Agreement with respect to the Portfolio, the Fund will pay the Investment
Advisor from the assets of the Portfolio and the Investment Advisor will accept
as full compensation therefor a fee, computed daily and payable monthly, at the
annual rate of 0.10% of the Portfolio's average daily net assets.

             (b) The fee attributable to the Portfolio shall be satisfied only
against assets of the Portfolio and not against the assets of any other
investment portfolio of the Fund.

         12. LIMITATION OF LIABILITY OF THE INVESTMENT ADVISOR. The Investment
Advisor shall not be liable for any error of judgment or mistake of law or for
any loss suffered by the Fund in connection with the matters to which this
Agreement relates, except a loss resulting from a breach of fiduciary duty with
respect to the receipt of compensation for services or a loss resulting from
willful misfeasance, bad faith or gross negligence on the part of the Investment
Advisor in the performance of its duties or from reckless disregard by it of its
obligations and duties under this Agreement ("disabling conduct"). The Portfolio
will indemnify the Investment Advisor against and hold it harmless from any and
all losses, claims, damages, liabilities or expenses (including reasonable
counsel fees and expenses) resulting from any claim, demand, action or suit not
resulting from disabling conduct by the Investment Advisor. Indemnification
shall be made only following: (i) a final decision on the merits by a court or
other body before whom the 

                                      -6-

<PAGE>

proceeding was brought that the Investment Advisor was not liable by reason of
disabling conduct or (ii) in the absence of such a decision, a reasonable
determination, based upon a review of the facts, that the Investment Advisor was
not liable by reason of disabling conduct by (a) the vote of a majority of a
quorum of directors of the Portfolio who are neither "interested persons" of the
Portfolio nor parties to the proceeding ("disinterested non-party directors") or
(b) an independent legal counsel in a written opinion. The Investment Advisor
shall be entitled to advances from the Portfolio for payment of the reasonable
expenses incurred by it in connection with the matter as to which it is seeking
indemnification in the manner and to the fullest extent permissible under the
Maryland General Corporation Law. The Investment Advisor shall provide to the
Portfolio a written affirmation of its good faith belief that the standard of
conduct necessary for indemnification by the Portfolio has been met and a
written undertaking to repay any such advance if it should ultimately be
determined that the standard of conduct has not been met. In addition, at least
one of the following additional conditions shall be met: (a) the Investment
Advisor shall provide a security in form and amount acceptable to the Portfolio
for its undertaking; (b) the Portfolio is insured against losses arising by
reason of the advance; or (c) a majority of a quorum of disinterested non-party
directors, or independent legal counsel, in a written opinion, shall have
determined, based upon a review of facts readily available to the Portfolio at
the time the advance is proposed to be made, that there is reason to believe
that the Investment Advisor will ultimately be found to be entitled to
indemnification. Any amounts payable by the Portfolio under this Section shall
be satisfied only against the assets of the Portfolio and not against the assets
of any other investment portfolio of the Fund.

         The limitations on liability and indemnification provisions of this
paragraph 12 shall not be applicable to any losses, claims, damages, liabilities
or expenses arising from the Investment Advisor's rights to the Portfolio's
name. The Investment Advisor shall indemnify and hold harmless the Fund and the
Portfolio for any claims arising from the use of the term "Boston Partners" in
the name of the Portfolio.

         13. DURATION AND TERMINATION. This Agreement shall become effective
with respect to the Portfolio upon approval of this Agreement by vote of a
majority of the outstanding voting securities of the Portfolio and, unless
sooner terminated as provided herein, shall continue with respect to the
Portfolio until August 16, ____. Thereafter, if not terminated, this Agreement
shall continue with respect to the Portfolio for successive annual periods
ending on August 16 PROVIDED such continuance is specifically approved at least
annually (a) by the vote of a majority of those members of the Board of
Directors of the Fund who are not parties to this Agreement or interested

                                      -7-

<PAGE>

persons of any such party, cast in person at a meeting called for the purpose of
voting on such approval, and (b) by the Board of Directors of the Fund or by
vote of a majority of the outstanding voting securities of the Portfolio;
PROVIDED, HOWEVER, that this Agreement may be terminated with respect to the
Portfolio by the Fund at any time, without the payment of any penalty, by the
Board of Directors of the Fund or by vote of a majority of the outstanding
voting securities of the Portfolio, on 60 days' prior written notice to the
Investment Advisor, or by the Investment Advisor at any time, without payment of
any penalty, on 60 days' prior written notice to the Fund. This Agreement will
immediately terminate in the event of its assignment. (As used in this
Agreement, the terms "majority of the outstanding voting securities,"
"interested person" and "assignment" shall have the same meaning as such terms
have in the 1940 Act).

         14. AMENDMENT OF THIS AGREEMENT. No provision of this Agreement may be
changed, discharged or terminated orally, except by an instrument in writing
signed by the party against which enforcement of the change, discharge or
termination is sought, and no amendment of this Agreement affecting the
Portfolio shall be effective until approved by vote of the holders of a majority
of the outstanding voting securities of the Portfolio.

         15. MISCELLANEOUS. The captions in this Agreement are included for
convenience of reference only and in no way define or delimit any of the
provisions hereof or otherwise affect their construction or effect. If any
provision of this Agreement shall be held or made invalid by a court decision,
statute, rule or otherwise, the remainder of this Agreement shall not be
affected thereby. This Agreement shall be binding upon and shall inure to the
benefit of the parties hereto and their respective successors and shall be
governed by Delaware law.

         16. CHANGE IN MEMBERSHIP. The Investment Advisor shall notify the Fund
of any change in its membership within a reasonable time after such change.

         17. GOVERNING LAW. This Agreement shall be governed by and construed
and enforced in accordance with the laws of the State of Delaware without giving
effect to the conflicts of laws principles thereof.

         18. COUNTERPARTS. This Agreement may be executed in two or more
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.

                                      -8-

<PAGE>

         IN WITNESS WHEREOF, the parties hereto have caused this instrument to
be executed by their officers designated below as of the day and year first
above written.

                              THE RBB FUND, INC.


                              By:_______________________________________________




                              BOSTON PARTNERS ASSET 
                                 MANAGEMENT, L.P., by BOSTON
                                 PARTNERS, INC., its General 
                                 Partner


                              By:_______________________________________________


                                                                    Exhibit 6(e)

                        DISTRIBUTION AGREEMENT SUPPLEMENT

                    (Boston Partners Long-Short Equity Fund)
                              (Institutional Class)

         This supplemental agreement is entered into this ___ day of ________,
1999, by and between THE RBB FUND, INC. (the "Fund") and PROVIDENT DISTRIBUTORS,
INC. (the "Distributor").

         The Fund is a corporation organized under the laws of the State of
Maryland and is an open-end management investment company. The Fund and the
Distributor have entered into a Distribution Agreement, dated as of May 29, 1998
(as from time to time amended and supplemented, the "Distribution Agreement"),
pursuant to which the Distributor has undertaken to act as distributor for the
Fund, as more fully set forth therein. Certain capitalized terms used without
definition in this Distribution Agreement Supplement have the meaning specified
in the Distribution Agreement.

         The Fund agrees with the Distributor as follows:

         1. ADOPTION OF DISTRIBUTION AGREEMENT. The Distribution Agreement is
hereby adopted for the Boston Partners Long Short Equity Fund Institutional
Class of Common Stock (Class KKK) of the Fund.

         2. PAYMENT OF FEES. For all services to be rendered, facilities
furnished and expenses paid or assumed by the Distributor as provided in the
Distribution Agreement and herein, the Fund shall pay the Distributor a monthly
fee on the first business day of each month, based upon the average daily value
(as determined on each business day at the time set forth in the Prospectus for
determining net asset value per share) of the net assets of the Class during the
preceding month, at an annual rate of _____%.

         3. COUNTERPARTS. This Agreement may be executed in two or more
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.

         IN WITNESS WHEREOF, the undersigned have entered into this Agreement,
intending to be legally bound hereby, as of the date and year first above
written.

THE RBB FUND, INC.                              PROVIDENT DISTRIBUTORS, INC.


By:_____________________________                By:_____________________________


                                                                    Exhibit 6(f)

                        DISTRIBUTION AGREEMENT SUPPLEMENT

                    (Boston Partners Long-Short Equity Fund)
                                (Investor Class)

         This supplemental agreement is entered into this ___ day of ________,
1999, by and between THE RBB FUND, INC. (the "Fund") and PROVIDENT DISTRIBUTORS,
INC. (the "Distributor").

         The Fund is a corporation organized under the laws of the State of
Maryland and is an open-end management investment company. The Fund and the
Distributor have entered into a Distribution Agreement, dated as of May 29, 1998
(as from time to time amended and supplemented, the "Distribution Agreement"),
pursuant to which the Distributor has undertaken to act as distributor for the
Fund, as more fully set forth therein. Certain capitalized terms used without
definition in this Distribution Agreement Supplement have the meaning specified
in the Distribution Agreement.

         The Fund agrees with the Distributor as follows:

         1. ADOPTION OF DISTRIBUTION AGREEMENT. The Distribution Agreement is
hereby adopted for the Boston Partners Long Short Equity Fund Investor Class of
Common Stock (Class LLL) of the Fund.

         2. PAYMENT OF FEES. For all services to be rendered, facilities
furnished and expenses paid or assumed by the Distributor as provided in the
Distribution Agreement and herein, the Fund shall pay the Distributor a monthly
12b-1 fee on the first business day of each month, based upon the average daily
value (as determined on each business day at the time set forth in the
Prospectus for determining net asset value per share) of the net assets of the
Class during the preceding month, at an annual rate of _____%.

         3. COUNTERPARTS. This Agreement may be executed in two or more
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.

         IN WITNESS WHEREOF, the undersigned have entered into this Agreement,
intending to be legally bound hereby, as of the date and year first above
written.

THE RBB FUND, INC.                              PROVIDENT DISTRIBUTORS, INC.


By:_____________________________                By:_____________________________


                                                                    Exhibit 8(n)

                         CUSTODIAN AGREEMENT SUPPLEMENT

                    (Boston Partners Long-Short Equity Fund)

         This supplemental agreement is entered into this ___ day of ____, 1999
by and between THE RBB FUND, INC. (the "Company") and PFPC Trust Company,
(the "Custodian Agent").

         The Company is a corporation organized under the laws of the State of
Maryland and is an open-end management investment company. The Company and the
Custodian have entered into a Custodian Agreement, dated as of August 16, 1988
(as from time to time amended and supplemented, the "Custodian Agreement"),
pursuant to which the Custodian has undertaken to act as custodian for the
Company with respect to the portfolios of the Fund, as more fully set forth
therein. Certain capitalized terms used without definition in this Custodian
Agreement Supplement have the meaning specified in the Custodian Agreement.

         The Fund agrees with the Custodian as follows:

         1. ADOPTION OF CUSTODIAN AGREEMENT. The Custodian Agreement is hereby
adopted for the Boston Partners Long Short Equity Fund.

         2. COMPENSATION. As compensation for the services rendered by the
Custodian during the term of the Custodian Agreement, the Fund will pay to the
Custodian, with respect to Boston Partners Long Short Equity Fund, monthly fees
as shall be agreed to from time to time by the Fund and the Custodian.

         3. COUNTERPARTS. This Agreement may be executed in two or more
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.

         IN WITNESS WHEREOF, the undersigned have entered into this Agreement,
intending to be legally bound hereby, as of the date and year first above
written.

THE RBB FUND, INC.                              PFPC TRUST COMPANY


By:_____________________________                By:_____________________________


                                                                   Exhibit 9(vv)

                      TRANSFER AGENCY AGREEMENT SUPPLEMENT
                    (Boston Partners Long-Short Equity Fund)
                      (Institutional and Investor Classes)

         This supplemental agreement is entered into this ___ day of ____, 1999
by and between THE RBB FUND, INC. (the "Company") and PFPC, Inc., a Delaware
corporation (the "Transfer Agent"), which is an indirect, wholly-owned
subsidiary of PNC Bank Corp.

         The Company is a corporation organized under the laws of the State of
Maryland and is an open-end management investment company. The Company and the
Transfer Agent have entered into a Transfer Agency Agreement, dated as of
November 5, 1991 (as from time to time amended and supplemented, the "Transfer
Agency Agreement"), pursuant to which the Transfer Agent has undertaken to act
as transfer agent, registrar and dividend disbursing agent for the Company with
respect to the Shares of the Company, as more fully set forth therein. Certain
capitalized terms used without definition in this Transfer Agency Agreement
Supplement have the meaning specified in the Transfer Agency Agreement.

         The Fund agrees with the Transfer Agent as follows:

         1. ADOPTION OF TRANSFER AGENCY AGREEMENT. The Transfer Agency Agreement
is hereby adopted for the Boston Partners Long-Short Equity Fund (the "Fund")
Institutional Class of Common Stock (Class KKK) and Investor Class of Common
Stock (Class LLL)of the Fund.

         2. COMPENSATION. As compensation for the services rendered by the
Transfer Agent during the term of the Transfer Agency Agreement, the Fund will
pay to the Transfer Agent, with respect to each Class of the Fund, monthly fees
that shall be agreed to from time to time by the Company and the Transfer Agent,
for each account open at any time during the month for which payment is being
made, plus certain of the Transfer Agent's expenses relating to such services.

         3. COUNTERPARTS. This Agreement may be executed in two or more
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.

         IN WITNESS WHEREOF, the undersigned have entered into this Agreement,
intending to be legally bound hereby, as of the date and year first above
written.


THE RBB FUND, INC.                              PFPC, INC.


By:_____________________________                By:_____________________________



                                                                   Exhibit 9(ww)

                  ADMINISTRATIVE SERVICES AGREEMENT SUPPLEMENT

                    (Boston Partners Long-Short Equity Fund)
                              (Institutional Class)

         This supplemental agreement is entered into this ___ day of ________,
1999, by and between THE RBB FUND, INC. (the "Fund") and PROVIDENT DISTRIBUTORS,
INC. ("PDI").

         The Fund is a corporation organized under the laws of the State of
Maryland and is an open-end management investment company. The Fund and PDI have
entered into a Administrative Services Agreement, dated as of May 29, 1998 (as
from time to time amended and supplemented, the "Administrative Services
Agreement"), pursuant to which PDI has undertaken to provide certain
administrative services to certain of the Fund's portfolios and classes, as more
fully set forth therein.

         The Fund agrees with PDI as follows:

         1. ADOPTION OF ADMINISTRATIVE SERVICES AGREEMENT. The Administrative
Services Agreement is hereby adopted for the Boston Partners Long Short Equity
Fund Institutional Class of Common Stock (Class KKK) of the Fund.

         2. PAYMENT OF FEES. For all services to be rendered, facilities
furnished and expenses paid or assumed by PDI as provided in the Administrative
Services Agreement and herein, the Fund shall pay PDI a monthly fee, as well as
reimburse out-of-pocket expenses, on the first business day of each month, as
provided in the Administrative Services Agreement.

         3. COUNTERPARTS. This Agreement may be executed in two or more
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.

         IN WITNESS WHEREOF, the undersigned have entered into this Agreement,
intending to be legally bound hereby, as of the date and year first above
written.

THE RBB FUND, INC.                              PROVIDENT DISTRIBUTORS, INC.


By:_____________________________                By:_____________________________




                                                                   Exhibit 9(xx)

                ADMINISTRATION AND ACCOUNTING SERVICES AGREEMENT
                              TERMS AND CONDITIONS

         This Agreement is made as of ______, 1999 by and between THE RBB FUND,
INC., a Maryland corporation (the "Fund"), and PFPC, INC., a Delaware
corporation ("PFPC"), which is an indirect wholly-owned subsidiary of PNC Bank
Corp.

         The Fund is registered as an open-end, non-diversified investment
company under the Investment Company Act of 1940, as amended (the "1940 Act").
The Fund wishes to retain PFPC to provide administration and accounting services
to its Boston Partners Long-Short Equity Fund (the "Portfolio"), and PFPC wishes
to furnish such services.

         In consideration of the promises and mutual covenants herein contained,
the parties agree as follows:

      1. DEFINITIONS.

         (a) "1933 ACT" means the Securities Act of 1933, as amended.

         (b) "1934 ACT" means the Securities Exchange Act of 1934, as amended.

         (c) "AUTHORIZED PERSON" means any officer of the Fund and any other
person, duly authorized by the Fund's Board of Directors, to give Oral and
Written Instructions on behalf of the Fund and listed on the Certificate
attached hereto as Appendix B or any amendment thereto as may be received by
PFPC from time to time. An Authorized Person's scope of authority may be limited
by the Fund by setting forth such limitation on the Certificate.

                                       1

<PAGE>
         (d) "BOOK-ENTRY SYSTEM" means Federal Reserve Treasury book-entry
system for United States and federal agency securities, its successor or
successors, and its nominee or nominees and any book-entry system maintained by
an exchange registered with the SEC under the 1934 Act.

         (e) "ORAL INSTRUCTIONS" mean oral instructions received by PFPC from an
Authorized Person or from a person reasonably believed by PFPC to be an
Authorized Person.

         (f) "SEC" means the Securities and Exchange Commission.

         (g) "SHARES" mean the shares of common stock of the Fund representing
an interest in the Portfolio.

         (h) "PROPERTY" means:

             (i)  any and all securities and other investment items of the
                  Portfolio which the Fund may from time to time deposit, or
                  cause to be deposited, with PFPC or which PFPC may from time
                  to time hold for the Fund on behalf of the Portfolio;

            (ii)  all income in respect of any of such securities or other
                  investment items;

           (iii)  all proceeds of the sale of any of such securities or
                  investment items; and

            (iv)  all proceeds of the sale of Shares which are received by PFPC
                  from time to time, from or on behalf of the Fund.

         (i) "WRITTEN INSTRUCTIONS" mean written instructions signed by two
Authorized Persons and received by PFPC. The instructions may be delivered by
hand, mail, tested telegram, cable, telex or facsimile sending device.

                                       2

<PAGE>

      2. APPOINTMENT. The Fund hereby appoints PFPC to provide administration
and accounting services to the Portfolio, in accordance with the terms set forth
in this Agreement. PFPC accepts such appointment and agrees to furnish such
services.

      3. DELIVERY OF DOCUMENTS.

         The Fund has provided or, where applicable, will provide PFPC with the
following:

         (a)  certified or authenticated copies of the resolutions of the Fund's
              Board of Directors, approving the appointment of PFPC to provide
              services pursuant to this Agreement;

         (b)  a copy of the Fund's most recent effective registration statement;

         (c)  a copy of the Fund's advisory agreement or agreements with respect
              to the Portfolio;

         (d)  a copy of the Fund's distribution agreement or agreements with
              respect to the Portfolio;

         (e)  a copy of any additional administration agreement with respect to
              the Portfolio;

         (f)  copies of any shareholder servicing agreements made in respect of
              the Portfolio; and

         (g)  certified or authenticated copies of any and all amendments or
              supplements to the foregoing.

      4. COMPLIANCE WITH GOVERNMENT RULES AND REGULATIONS. PFPC undertakes to
comply with all applicable requirements of the 1933 Act, the 1934 Act and the
1940 Act, and any laws, rules and regulations of governmental authorities having
jurisdiction with respect to all duties to be performed by PFPC hereunder.
Except as specifically set forth herein, PFPC assumes no responsibility for such
compliance by the Fund.

      5. INSTRUCTIONS.

                                       3

<PAGE>

         Unless otherwise provided in this Agreement, PFPC shall act only upon
oral and Written Instructions.

         PFPC shall be entitled to rely upon any Oral and Written Instructions
it receives from an Authorized Person (or from a person reasonably believed by
PFPC to be an Authorized Person) pursuant to this Agreement. PFPC may assume
that any Oral or Written Instruction received hereunder is not in any way
inconsistent with the provisions of organizational documents or this Agreement
or of any vote, resolution or proceeding of the Fund's Board of Directors or of
the Fund's shareholders.

         The Fund agrees to forward to PFPC Written Instructions confirming Oral
Instructions so that PFPC receives the Written Instructions by the close of
business on the same day that such Oral Instructions are received. The fact that
such confirming Written Instructions are not received by PFPC shall in no way
invalidate the transactions or enforceability of the transactions authorized by
the Oral Instructions. The Fund further agrees that PFPC shall incur no
liability to the Fund in acting upon Oral or Written Instructions provided such
instructions reasonably appear to have been received from an Authorized Person.

      6. RIGHT TO RECEIVE ADVICE.

         (a) ADVICE OF THE FUND. If PFPC is in doubt as to any action it should
or should not take, PFPC may request directions or advice, including Oral or
Written Instructions, from the Fund.

         (b) ADVICE OF COUNSEL. If PFPC shall be in doubt as to any questions of
law pertaining to any action it should or

                                       4

<PAGE>

should not take, PFPC may request advice at its own cost from such counsel of
its own choosing (who may be counsel for the Fund, the Fund's advisor or PFPC,
at the option of PFPC).

         (c) CONFLICTING ADVICE. In the event of a conflict between directions,
advice or Oral or Written Instructions PFPC receives from the Fund, and the
advice it receives from counsel, PFPC shall be entitled to rely upon and follow
the advice of counsel.

         (d) PROTECTION OF PFPC. PFPC shall be protected in any action it takes
or does not take in reliance upon directions, advice or Oral or Written
Instructions it receives from the Fund or from counsel and which PFPC believes,
in good faith, to be consistent with those directions, advice and Oral or
Written Instructions.

         Nothing in this paragraph shall be construed so as to impose an
obligation upon PFPC (i) to seek such directions, advice or Oral or Written
Instructions, or (ii) to act in accordance with such directions, advice or Oral
or Written Instructions unless, under the terms of other provisions of this
Agreement, the same is a condition of PFPC's properly taking or not taking such
action.

      7. RECORDS.

         The books and records pertaining to the Fund, which are in the
possession of PFPC, shall be the property of the Fund. Such books and records
shall be prepared and maintained as required by the 1940 Act and other
applicable securities laws, rules and regulations. The Fund and Authorized
Persons shall

                                       5

<PAGE>

have access to such books and records at all times during PFPC's normal business
hours. Upon the reasonable request of the Fund, copies of any such books and
records shall be provided by PFPC to the Fund or to an Authorized Person at the
Fund's expense to be paid from the assets of the Portfolio.

         PFPC shall keep the following records:

         (a) all books and records with respect to the Portfolios books of
             account;

         (b) records of the Portfolio's securities transactions;

         (c) all other books and records as PFPC is required to maintain
             pursuant to Rule 3la-1 of the 1940 Act and as specifically set
             forth in Appendix B hereto.

      8. CONFIDENTIALITY.

         PFPC agrees to keep confidential all records of the Fund and
information relative to the Fund and its shareholders (past, present and
potential), unless the release of such records or information is otherwise
consented to, in writing, by the Fund. The Fund agrees that such consent shall
not be unreasonably withheld. The Fund further agrees that, should PFPC be
required to provide such information or records to duly constituted authorities
(who may institute civil or criminal contempt proceedings for failure to
comply), PFPC shall not be required to seek the Fund's consent prior to
disclosing such information.

      9. LIAISON WITH ACCOUNTANTS.

         PFPC shall act as liaison with the Fund's independent public
accountants and shall provide account analyses, fiscal

                                       6

<PAGE>

year summaries, and other audit-related schedules, all with respect to the
Portfolio. PFPC shall take all reasonable action in the performance of its
obligations under this Agreement to assure that the necessary information is
made available to such accountants for the expression of their opinion, as such
may be required by the Fund from time to time.

     10. DISASTER RECOVERY.

         PFPC shall enter into and shall maintain in effect with appropriate
parties one or more agreements making reasonable provision of emergency use of
electronic data processing equipment to the extent appropriate equipment is
available. In the event of equipment failures, PFPC shall, at no additional
expense to the Fund, take reasonable steps to minimize service interruptions but
shall have no liability with respect thereto.

     11. COMPENSATION.

         As compensation for services rendered by PFPC during the term of this
Agreement, the Fund will pay to PFPC from the assets of the Portfolio a fee or
fees as may be agreed to in writing by the Fund and PFPC.

                                       7

<PAGE>

     12. INDEMNIFICATION.

         The Fund agrees to indemnify and hold harmless PFPC and its nominees
from all taxes, charges, expenses, assessments, claims and liabilities
(including, without limitation, liabilities arising under the 1933 Act, the 1934
Act and the 1940 Act), and any state and foreign securities and blue sky laws,
and amendments thereto, and expenses, including (without limitation) attorneys'
fees and disbursements, arising directly or indirectly from any action which
PFPC takes or does not take (i) at the request or on the direction of or in
reliance on the advice of the Fund or (ii) upon Oral or Written Instructions.
Neither PFPC, nor any of its nominees, shall be indemnified against any
liability to the Fund or to its shareholders (or any expenses incident to such
liability) arising out of PFPC's own willful misfeasance, gross negligence or
reckless disregard of its duties and obligations under this Agreement.

     13. RESPONSIBILITY OF PFPC.

         PFPC shall be under no duty to take any action on behalf of the Fund
except as specifically set forth herein or as may be specifically agreed to by
PFPC in writing. PFPC shall be obligated to exercise care and diligence in the
performance of its duties hereunder, to act in good faith and to use its best
efforts, within reasonable limits, in performing services provided for under
this Agreement. PFPC shall be responsible for failure to perform its duties
under this Agreement arising out of PFPC's gross negligence. Notwithstanding the
foregoing, PFPC shall not be responsible for losses beyond its control, provided

                                       8

<PAGE>

that PFPC has acted in accordance with the standard of care set forth above; and
provided further that PFPC shall only be responsible for that portion of losses
or damages suffered by the fund that are attributable to the gross negligence of
PFPC.

         Without limiting the generality of the foregoing or of any other
provision of this Agreement, PFPC, in connection with its duties under this
Agreement, shall not be liable for (a) the validity or invalidity or authority
or lack thereof of any Oral or Written Instruction, notice or other instrument
which conforms to the applicable requirements of this Agreement, and which PFPC
reasonably believes to be genuine; or (b) delays or errors or loss of data
occurring by reason of circumstances beyond PFPC's control, including acts of
civil or military authority, national emergencies, labor difficulties, fire,
flood or catastrophe, acts of God, insurrection, war, riots or failure of the
mails, transportation, communication or power supply.

         Notwithstanding anything in this Agreement to the contrary, PFPC shall
have no liability to the Fund for any consequential, special or indirect losses
or damages which the Fund may incur or suffer by or as a consequence of PFPC's
performance of the services provided hereunder, whether or not the likelihood of
such losses or damages was known by PFPC.

     14. DESCRIPTION OF ACCOUNTING SERVICES ON A CONTINUING BASIS.

         PFPC will perform the following accounting functions with respect to
the Portfolio if required:

                                       9

<PAGE>

         (i)  Journalize investment, capital share and income and expense
              activities;

        (ii)  verify investment buy/sell trade tickets when received from the
              investment advisor (the "Advisor") and transmit trades to the
              Fund's foreign custodian (the "Custodian") for proper settlement;

       (iii)  Maintain individual ledgers for investment securities;

        (iv)  Maintain historical tax lots for each security;

         (v)  Reconcile cash and investment balances with the Custodian, and
              provide the Advisor with the beginning cash balance available for
              investment purposes;

        (vi)  Update the cash availability throughout the day as required by the
              Advisor;

       (vii)  Post to and prepare the Statement of Assets and Liabilities and
              the Statement of Operations;

      (viii)  Calculate various contractual expenses (E.G., advisory and
              custody fees);

        (ix)  Monitor the expense accruals and notify an officer of the Fund of
              any proposed adjustments;

         (x)  Control all disbursements and authorize such disbursements upon
              Written Instructions;

        (xi)  Calculate capital gains and losses;

       (xii)  Determine net income;

      (xiii)  Obtain security market quotes from independent pricing services
              approved by the Advisor, or if such quotes are unavailable, then
              obtain such prices from Advisor, and in either case calculate the
              market value of the investments;

       (xiv)  Transmit or mail a copy of the daily portfolio valuation to the
              Advisor;

        (xv)  Compute net asset value;

       (xvi)  As appropriate, compute yields, total return, expense ratios,
              portfolio turnover rate, and, if required, portfolio average
              dollar-weighted maturity; and

                                       10

<PAGE>

      (xvii)  Prepare a monthly financial statement, which includes the
              following items:

              Schedule of Investments
              Statement of Assets and Liabilities Statement of Operations
              Cash Statement
              Schedule of Capital Gains and Losses.

     15. DESCRIPTION OF ADMINISTRATION SERVICES ON A CONTINUING BASIS.

         PFPC will perform the following administration services with respect to
the Portfolio:

         (i)  Prepare quarterly broker security transactions summaries;

        (ii)  Prepare monthly security transaction listings;

       (iii)  (a) Assist in the preparation of support schedules necessary for
              completion of federal and state tax returns; or (b) prepare for
              execution and file the Fund's federal and state tax returns;

        (iv)  (a) Assist in the preparation of Semi-Annual Reports with the SEC
              on Form N-SAR; or (b) prepare and file the Fund's Semi-Annual
              Reports with the SEC on Form N-SAR.

         (v)  Assist in the preparation of annual, semi-annual, and quarterly
              shareholder reports; or (b) prepare and file with the SEC the
              Fund's annual, semi-annual, and quarterly shareholder reports;

        (vi)  Assist with the preparation of registration statements and other
              filings relating to the registration of Shares;

       (vii)  Monitor the Portfolio's status as a regulated investment company
              under Subchapter M of the Internal Revenue Code of 1986, as
              amended; and

      (viii)  Coordinate contractual relationships and communications between
              the Fund and its service providers.

                                       11

<PAGE>

     16. DURATION AND TERMINATION.

         This Agreement shall continue until terminated by the Fund or by PFPC
on sixty (60) days' prior written notice to the other party.

     17. NOTICES.

         All notices and other communications, including written Instructions,
shall be in writing or by confirming telegram, cable, telex or facsimile sending
device. If notice is sent by confirming telegram, cable, telex or facsimile
sending device, it shall be deemed to have been given immediately. If notice is
sent by first-class mail, it shall be deemed to have been given three days after
it has been mailed. If notice is sent by messenger, it shall be deemed to have
been given on the day it is delivered. Notices shall be addressed (a) if to PFPC
at PFPC's address, 400 Bellevue Parkway, Wilmington, Delaware 19809; (b) if to
the Fund, at the address of the Fund; or (c) if to neither of the foregoing, at
such other address as shall have been notified to the sender of any such Notice
or other communication.

     18. AMENDMENTS.

         This Agreement, or any term thereof, may be changed or waived only by
written amendment, signed by the party against whom enforcement of such change
or waiver is sought.

                                       12

<PAGE>

     19. DELEGATION.

         PFPC may assign its rights and delegate its duties hereunder to any
wholly owned director indirect subsidiary of PNC Bank, National Association or
PNC Bank Corp., provided that (i) PFPC gives the Fund thirty (30) days' prior
written notice; (ii) the delegate agrees with PFPC to comply with all relevant
provisions of the 1940 Act; and (iii) PFPC and such delegate promptly provide
such information as the Fund may request, and respond to such questions as the
Fund may ask, relative to the delegation, including (without limitation) the
capabilities of the delegate.

     20. COUNTERPARTS.

         This Agreement may be executed in two or more counterparts, each of
which shall be deemed an original, but all of which together shall constitute
one and the same instrument.

     21. FURTHER ACTIONS.

         Each Party agrees to perform such further acts and execute such further
documents as are necessary to effectuate the purposes hereof.

     22. MISCELLANEOUS.

         This Agreement embodies the entire agreement and understanding between
the parties and supersedes all prior agreements and understandings relating to
the subject matter hereof, provided that the parties may embody in one or more
separate documents their agreement, if any, with respect to delegated and/or
Oral Instructions.

                                       13

<PAGE>

         The captions in this Agreement are included for convenience of
reference only and in no way define or delimit any of the provisions hereof or
otherwise affect their construction or effect.

         This Agreement shall be deemed to be a contract made in Delaware and
governed by Delaware law. If any provision of this Agreement shall be held or
made invalid by a court decision, statute, rule or otherwise, the remainder of
this Agreement shall not be affected thereby. This Agreement shall be binding
and shall inure to the benefit off the parties hereto and their respective
successors.

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed by their officers designated below on the day and year first above
written.

                                   PFPC, INC.

                                   By:___________________________________

                                   THE RBB FUND, INC.

                                   By:___________________________________



                                       14



                                                                      Exhibit 10

                                   Law Offices
                           DRINKER BIDDLE & REATH LLP
                       Philadelphia National Bank Building
                              1345 Chestnut Street
                           Philadelphia, PA 19107-3496
                            Telephone: (215) 988-2700
                               Fax: (215) 988-2757

                                                     May 18, 1999


The RBB Fund, Inc.
Bellevue Park Corporate Center
400 Bellevue Parkway, Suite 100
Wilmington, DE 19809


        RE: SHARES REGISTERED BY POST-EFFECTIVE AMENDMENT NO. 65 TO REGISTRATION
            STATEMENT ON FORM N-1A (FILE NO. 33-20827)

Ladies and Gentlemen:

         We have acted as counsel to The RBB Fund, Inc. (the "Company") in
connection with the preparation and filing with the Securities and Exchange
Commission of Post-Effective Amendment No. 65 (the "Amendment") to the Company's
Registration Statement on Form N-1A under the Securities Act of 1933, as amended
(the "1933 Act"). The Board of Directors of the Company has authorized
100,000,000 shares of Class KKK Common Stock, $.001 par value per share and
100,000,000 shares of Class LLL Common Stock, $.001 par value per share to be
issued and sold by the Company (collectively, the "Shares"). Classes KKK and LLL
are the Institutional and Investor Classes, respectively, of the new Boston
Partners Long-Short Equity Fund. The Amendment seeks to register an indefinite
number of the Shares.

         We have reviewed the Company's Articles of Incorporation, ByLaws,
resolutions of its Board of Directors, and such other legal and factual matters
as we have deemed appropriate. This opinion is based exclusively on the Maryland
General Corporation Law and the federal law of the United States of America.

         We assume that, prior to the effectiveness of the Amendment under the
1933 Act, the Company will have filed with the Maryland Department of
Assessments and Taxation all necessary documents (the "Documents") to authorize,
classify and establish the Shares.

         Based upon and subject to the foregoing, it is our opinion that the
Shares, when issued for payment as described in the Company's Prospectus
offering the Shares and in accordance with the Company's Articles of
Incorporation and the Documents for not less than $.001 per share, will be
legally issued, fully paid and non-assessable by the Company.

         We hereby consent to the filing of this opinion as an exhibit to
Post-Effective Amendment No. 65 to the Company's Registration Statement.


                                            Very truly yours,


                                            /S/ DRINKER BIDDLE & REATH  LLP
                                            DRINKER BIDDLE & REATH LLP


                                                                   Exhibit 11(a)
                               CONSENT OF COUNSEL



     We hereby consent to the use of our name and to the reference to our Firm
under the caption "Counsel" in the Statement of Additional Information that is
included in Post-Effective Amendment No. 65 to the Registration Statement (No.
33-20827; 811-5518) on Form N-1A of The RBB Fund, Inc., under the Securities Act
of 1933 and the Investment Company Act of 1940, respectively. This consent does
not constitute a consent under section 7 of the Securities Act of 1933, and in
consenting to the use of our name and the references to our Firm under such
caption we have not certified any part of the Registration Statement and do not
otherwise come within the categories of persons whose consent is required under
said section 7 or the rules and regulations of the Securities and Exchange
Commission thereunder.





                                                   /s/Drinker Biddle & Reath LLP
                                                      DRINKER BIDDLE & REATH LLP



Philadelphia, Pennsylvania
May 19, 1999

                                                                   Exhibit 13(p)


                               PURCHASE AGREEMENT

          The RBB Fund, Inc. (the "Fund"), a Maryland corporation, and Boston
     Partners Asset Management, L.P. ("BPAM") intending to be legally bound,
     hereby agree with each other as follows:

          1. The Fund hereby offers BPAM and BPAM hereby purchases $1,000 worth
     of shares of each of Classes KKK and LLL Common Stock of the Fund (par
     value $.001 per share) (such shares hereinafter sometimes collectively
     known as "Shares") at a price per Share equivalent to the net asset value
     per share of the Shares of the Fund as determined on             , 1999.

          2. The Fund hereby acknowledges receipt from BPAM of funds in the
     amount of $2,000 in full payment for the Shares.

          3. BPAM represents and warrants to the Fund that the Shares are being
     acquired for investment purposes and not with a view to the distribution
     thereof.

          4. This agreement may be executed in counterparts, and all such
     counterparts taken together shall be deemed to constitute one and the same
     instrument.

          IN WITNESS WHEREOF, the parties hereto have executed this Agreement as
     of the        day of   , 1999.


                        THE RBB FUND, INC.


                        By:
                            Edward J. Roach
                            President & Treasurer


                        BOSTON PARTNERS ASSET MANAGEMENT, L.P.
                        By: Boston Partners, Inc.
                            the General Partner

                        By:
                            William J. Kelly
                            Treasurer


                                                                  Exhibit 15(ww)

                   PLAN OF DISTRIBUTION PURSUANT TO RULE 12b-1

                                       OF

                               THE RBB FUND, INC.



     WHEREAS, The RBB Fund, Inc. (the "Fund") intends to engage in business as
an open-end management investment company and is registered as such under the
Investment Company Act of 1940, as amended (the "Act"); and

     WHEREAS, the Fund desires to adopt a Plan of Distribution pursuant to Rule
12b-1 under the Act with respect to shares of its Class LLL Common Stock, par
value $.001 per share (the "Class LLL Shares") and the Board of Directors has
determined that there is a reasonable likelihood that adoption of this Plan of
Distribution will benefit the Fund and its stockholders;

     NOW, THEREFORE, the Fund hereby adopts, and the Fund's Distributor hereby
agrees to the terms of, this Plan of Distribution (the "Plan") in accordance
with Rule 12b-1 under the Act on the following terms and conditions:

     1. The Fund shall pay to its distributor (the "Distributor"), as the
distributor of the Class LLL Shares, compensation for distribution of its shares
at an annual rate not to exceed .__% of the average daily net assets of the
Class LLL Shares. The amount of such compensation shall be agreed upon by the
Board of Directors of the Fund and by the Distributor and shall be calculated
and accrued daily and paid monthly or at such other intervals as the Board of
Directors and the Distributor shall mutually agree.

     2. The amount set forth in paragraph 1 of this Plan shall be paid for the
Distributor's services as distributor of the Class LLL Shares. Such amount may
be spent by the Distributor on any activities or expenses primarily intended to
result in the sale of Class LLL Shares, including, but not limited to:
compensation to and expenses of employees of the Distributor who engage in or
support distribution of the Class LLL Shares, including overhead and telephone
expenses; printing of prospectuses and reports for other than existing
shareholders; preparation, printing and distribution of sales literature and
advertising materials; and compensation to certain financial institutions
("Service Organizations") who sell Class LLL Shares. The Distributor may
negotiate with any such Service Organizations the services to be provided by the
Service



<PAGE>


Organization to shareholders in connection with the sale of Class LLL Shares
("Distribution Services"), and all or any portion of the compensation paid to
the Distributor under paragraph 1 of this Plan may be reallocated by the
Distributor to Service Organizations who sell Class LLL Shares.

     The compensation paid to Service Organizations with respect to Distribution
Services will compensate Service Organizations to cover certain expenses
primarily intended to result in the sale of Class LLL Shares, including, but not
limited to: (a) costs of payments made to employees that engage in the sale of
Class LLL Shares; (b) payments made to, and expenses of, persons who provide
support services in connection with the sale of Class LLL Shares, including, but
not limited to, office space and equipment, telephone facilities, processing
shareholder transactions and providing any other shareholder services not
otherwise provided by the Fund's transfer agent; (c) costs relating to the
formulation and implementation of marketing and promotional activities,
including, but not limited to, direct mail promotions and television, radio,
newspaper, magazine and other mass media advertising; (d) costs of printing and
distributing prospectuses, statements of additional information and reports
relating to the Class LLL Shares to prospective shareholders of the Class LLL
Shares; (e) costs involved in preparing, printing and distributing sales
literature pertaining to the Class LLL Shares; and (f) costs involved in
obtaining whatever information, analyses and reports with respect to marketing
and promotional activities that the Service Organization may, from time to time,
deem advisable.

     The compensation paid to Service Organizations with respect to Shareholder
Services will compensate Service Organizations for personal service and/or the
maintenance of shareholder accounts, including but not limited to (a) responding
to inquiries of customers or clients of the Service Organization who
beneficially own Class LLL Shares ("Customers"), (b) providing information on
Customer investments and (c) providing other shareholder liaison services.

     The compensation paid to Service Organizations with respect to
Administrative Services will compensate Service Organizations for administrative
and accounting services to their Customers, including, but not limited to: (a)
aggregating and processing purchase and redemption requests from Customers and
placing net purchase and redemption orders with the Fund's distributor or
transfer agent; (b) providing Customers with a service that invests the assets
of their accounts in the Class LLL Shares; (c) processing dividend payments from
the Class LLL Shares on behalf of Customers; (d) providing information
periodically to Customers showing their positions in the Class LLL Shares; (e)
arranging for bank wires; (f) providing sub-accounting with respect to Class LLL
Shares beneficially owned by Customers or the information to the Fund necessary
for sub-

                                      -2-

<PAGE>

accounting; (g) forwarding shareholder communications from the Fund (for
example, proxies, shareholder reports, annual and semi-annual financial
statements and dividend, distribution and tax notices related to the Class LLL
Shares) to Customers, if required by law; and (h) providing other similar
services to the extent permitted under applicable statutes, rules and
regulations.

     3. This Plan shall not take effect until it has been approved, together
with any related agreements, by votes of a majority of both (a) the Board of
Directors of the Fund and (b) those directors of the Fund who are not
"interested persons" of the Fund (as defined in the Act) and have no direct or
indirect financial interest in the operation of this Plan or any agreements
related to it (the "Rule 12b-1 Directors"), cast in person at a meeting (or
meetings) called for the purpose of voting on this Plan and such related
agreements.

     4. This Plan shall continue in effect until ________, 2000. Thereafter,
this Plan shall continue in effect for so long as such continuance is
specifically approved at least annually in the manner provided for approval of
this Plan in paragraph 3.

     5. The Distributor shall provide to the Board of Directors of the Fund and
the Board of Directors shall review, at least quarterly, a written report of the
amounts expended pursuant to this Plan and the purposes for which such
expenditures were made, including commissions, advertising, printing, interest,
carrying charges and allocated overhead expenses.

     6. This Plan may be terminated at any time by vote of a majority of the
Rule 12b-1 Directors, or by a vote of a majority of the outstanding Class LLL
Shares.

     7. This Plan may not be amended to increase materially the amount of
compensation provided for in paragraph 1 hereof unless such amendment is
approved by a vote of at least a majority (as defined in the Act) of the
outstanding Class LLL shares, and no material amendment to the Plan of any kind,
including an amendment which would increase materially the amount of
compensation, shall be made unless approved in the manner provided for in
paragraph 3 hereof.

     8. While this Plan is in effect, the selection and nomination of Directors
who are not interested persons (as defined in the Act) of the Fund shall be
committed to the discretion of the then current Directors who are not interested
persons (as defined in the Act) of the Fund.

                                      -3-

<PAGE>

     9. The Fund shall preserve copies of this Plan and any related agreements
and all reports made pursuant to paragraph 5 hereof for a period of not less
than six years from the date of this Plan, the agreements or such reports, as
the case may be, the first two years in an easily accessible place.


Dated:  _________, 1999

                                      -4-



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