PROFUNDS
497, 1998-05-01
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                                    PROFUNDS

                       STATEMENT OF ADDITIONAL INFORMATION

                        7900 WISCONSIN AVENUE, SUITE 300
                            BETHESDA, MARYLAND 20814
              (888) 776-5717 (REGISTERED INVESTMENT ADVISERS ONLY)
                         (888) PRO-FNDS (FOR ALL OTHERS)



     This statement of additional information describes seven ProFunds. Each
ProFund offers two classes of shares: Service Shares and Investor Shares. The
ProFunds may be used by professional money managers and investors as part of an
asset-allocation or market-timing investment strategy or to create specified
investment exposure to a particular segment of the securities market or to hedge
an existing investment portfolio. Sales are made without any sales charge at net
asset value. Each non-money-market ProFund seeks investment results that
correspond each day to a specified benchmark. The ProFunds may be used
independently or in combination with each other as part of an overall investment
strategy. Additional ProFunds may be created from time to time.

     The ProFunds include the Money Market ProFund. The Money Market ProFund
seeks a high level of current income consistent with liquidity and preservation
of capital through investment in high quality money market instruments. Unlike
other mutual funds, the Money Market ProFund seeks to achieve its investment
objective by investing all of its investable assets in the Cash Management
Portfolio (the "Portfolio"), a separate investment company with an identical
investment objective. The performance of the Money Market ProFund will
correspond directly to the investment performance of the Portfolio.

     The ProFunds involve special risks, some not traditionally associated with
mutual funds. Investors should carefully review and evaluate these risks in
considering an investment in the ProFunds to determine whether an investment in
a particular ProFund is appropriate. None of the ProFunds alone constitutes a
balanced investment plan and are not intended for investors whose principal
objective is current income or preservation of capital. Because of the inherent
risks in any investment, there can be no assurance that the ProFunds' investment
objectives will be achieved.

     This Statement of Additional Information is not a prospectus. It should be
read in conjunction with ProFunds' Prospectus, dated April 24, 1998, which
incorporates this Statement of Additional Information by reference. A copy of
the Prospectus is available, without charge, upon request to at the address
above or by telephoning at the telephone numbers above.

     The date of this Statement of Additional Information is April 24, 1998.

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                       STATEMENT OF ADDITIONAL INFORMATION


                                TABLE OF CONTENTS



<TABLE>
<CAPTION>
                                                                                                      PAGE
                                                                                                       ---
<S>                                                                                                  <C>
The PROFUNDS.........................................................................................   4
Investment Policies and Techniques...................................................................   4
Investment Restrictions..............................................................................  10
Portfolio Transactions and Brokerage.................................................................  15
Management of Profunds...............................................................................  19
Taxation.............................................................................................  23
Performance Information..............................................................................  23
Financial Statements.................................................................................  26
Appendix -- Description of Securities Ratings........................................................ A-1

</TABLE>


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                                    PROFUNDS

   
     ProFunds (the "Trust") is an open-end management investment company, and
currently comprises seven separate series. Other series may be added in the
future. The ProFunds may be used independently or in combination with each other
as part of an overall investment strategy. Shares of any ProFund may be
exchanged, without any charge, for shares of the same class of any other ProFund
on the basis of the respective net asset values of the shares involved;
provided, that, in connection with exchanges for shares of the ProFund, certain
minimum investment levels are maintained (see "Shareholders' Guide -- how to
Exchange Shares of the ProFunds" in the Prospectus).
    

                       INVESTMENT POLICIES AND TECHNIQUES

GENERAL

   
     Reference is made to the sections entitled "Investment Objectives" and
"Investment Policies and Techniques" in the ProFunds' Prospectus for a
discussion of the investment objectives and policies of the ProFunds. In
addition, set forth below is further information relating to the ProFunds. The
discussion below supplements and should be read in conjunction with the
Prospectus. Portfolio management is provided to the non-money market ProFunds by
its investment adviser, ProFund Advisors LLC, a Maryland limited liability
company with offices at 7900 Wisconsin Avenue, NW, Bethesda, Maryland (the
"Advisor"). The Money Market ProFund seeks to achieve its investment objective
by investing all of its assets in the Portfolio which has as its investment
adviser, Bankers Trust Company ("Bankers Trust").
    

     The investment strategies of the ProFunds discussed below, and as discussed
in the Prospectus, may be used by a ProFund if, in the opinion of the Advisor,
these strategies will be advantageous to the ProFund. The ProFund is free to
reduce or eliminate the ProFund's activity in any of those areas without
changing the ProFund's fundamental investment policies. There is no assurance
that any of these strategies or any other strategies and methods of investment
available to a ProFund will result in the achievement of the ProFund's
objectives.

FUTURES CONTRACTS

     The non-money market ProFunds may purchase and sell futures contracts and
options thereon only to the extent that such activities would be consistent with
the requirements of Section 4.5 of the regulations under the Commodity Exchange
Act promulgated by the Commodity Futures Trading Commission (the "CFTC
Regulations"), under which each of these ProFunds would be excluded from the
definition of a "commodity pool operator." Under Section 4.5 of the CFTC
Regulations, a ProFund may engage in futures transactions, either for "bona fide
hedging" purposes, as this term is defined in the CFTC Regulations, or for
non-hedging purposes to the extent that the aggregate initial margins and option
premiums required to establish such non-hedging positions do not exceed 5% of
the liquidation value of the ProFund's portfolio. In the case of an option on
futures contracts that is "in-the-money" at the time of purchase (i.e., the
amount by which the exercise price of the put option exceeds the current market
value of the underlying security or the amount by which the current market value
of the underlying security exceeds the exercise price of the call option), the
in-the-money amount may be excluded in calculating this 5% limitation.

     The ProFunds will cover their positions when they write a futures contract
or option on a futures contract. A ProFund may "cover" its long position in a
futures contract by purchasing a put option on the same futures contract with a
strike price (i.e., an exercise price) as high or higher than the price of the
futures contract, or, if the strike price of the put is less than the price of
the futures contract, the ProFund will maintain in a segregated account cash or
liquid instruments equal in value to the difference between the strike price of
the put and the price of the future. A ProFund may also cover its long position
in a futures contract by taking a short position in the instruments underlying
the futures contract, or by taking positions in instruments the prices of which
are expected to move relatively consistently with the futures contract. A
ProFund may cover its short position in a futures contract by taking a long
position in the instruments underlying the futures contract, or by taking
positions in 



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instruments the prices of which are expected to move relatively consistently
with the futures contract.

     A ProFund may cover its sale of a call option on a futures contract by
taking a long position in the underlying futures contract at a price less than
or equal to the strike price of the call option, or, if the long position in the
underlying futures contract is established at a price greater than the strike
price of the written (sold) call, the ProFund will maintain in a segregated
account liquid instruments equal in value to the difference between the strike
price of the call and the price of the future. A ProFund may also cover its sale
of a call option by taking positions in instruments the prices of which are
expected to move relatively consistently with the call option. A ProFund may
cover its sale of a put option on a futures contract by taking a short position
in the underlying futures contract at a price greater than or equal to the
strike price of the put option, or, if the short position in the underlying
futures contract is established at a price less than the strike price of the
written put, the ProFund will maintain in a segregated account cash or
high-grade liquid debt securities equal in value to the difference between the
strike price of the put and the price of the future. A ProFund may also cover
its sale of a put option by taking positions in instruments the prices of which
are expected to move relatively consistently with the put option.

INDEX OPTIONS
     The non-money market ProFunds may engage in transactions in stock index
options listed on national securities exchanges or traded in the
over-the-counter market as an investment vehicle for the purpose of realizing
the ProFund's investment objective. Options on indexes are settled in cash, not
by delivery of securities. The exercising holder of an index option receives,
instead of a security, cash equal to the difference between the closing price of
the securities index and the exercise price of the option.

     Some stock index options are based on a broad market index such as the S&P
500 Index, the NYSE Composite Index, or the AMEX Major Market Index, or on a
narrower index such as the Philadelphia Stock Exchange Over-the-Counter Index.
Options currently are traded on the Chicago Board Options Exchange (the "CBOE"),
the AMEX, and other exchanges ("Exchanges"). Purchased over-the-counter options
and the cover for written over-the-counter options will be subject to the
respective ProFund's 15% limitation on investment in illiquid securities. See
"Illiquid Securities."

     Each of the Exchanges has established limitations governing the maximum
number of call or put options on the same index which may be bought or written
(sold) by a single investor, whether acting alone or in concert with others
(regardless of whether such options are written on the same or different
Exchanges or are held or written on one or more accounts or through one or more
brokers). Under these limitations, option positions of all investment companies
advised by the same investment adviser are combined for purposes of these
limits. Pursuant to these limitations, an Exchange may order the liquidation of
positions and may impose other sanctions or restrictions. These position limits
may restrict the number of listed options which a ProFund may buy or sell;
however, the Advisor intends to comply with all limitations.

OPTIONS ON SECURITIES
     The non-money market ProFunds may buy and write (sell) options on
securities for the purpose of realizing their respective ProFund's investment
objective. By writing a call option on securities, a ProFund becomes obligated
during the term of the option to sell the securities underlying the option at
the exercise price if the option is exercised. By writing a put option, a
ProFund becomes obligated during the term of the option to purchase the
securities underlying the option at the exercise price if the option is
exercised. During the term of the option, the writer may be assigned an exercise
notice by the broker-dealer through whom the option was sold. The exercise
notice would require the writer to deliver, in the case of a call, or take
delivery of, in the case of a put, the underlying security against payment of
the exercise price. This obligation terminates upon expiration of the option, or
at such earlier time that the writer effects a closing purchase transaction by
purchasing an option covering the same underlying security and having the same
exercise price and expiration date as the one previously sold. Once an option
has been exercised, the writer




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may not execute a closing purchase transaction. To secure the obligation to
deliver the underlying security in the case of a call option, the writer of a
call option is required to deposit in escrow the underlying security or other
assets in accordance with the rules of the Options Clearing Corporation (the
"OCC"), an institution created to interpose itself between buyers and sellers of
options. The OCC assumes the other side of every purchase and sale transaction
on an exchange and, by doing so, gives its guarantee to the transaction. When
writing call options on securities, a ProFund may cover its position by owning
the underlying security on which the option is written. Alternatively, the
ProFund may cover its position by owning a call option on the underlying
security, on a share for share basis, which is deliverable under the option
contract at a price no higher than the exercise price of the call option written
by the ProFund or, if higher, by owning such call option and depositing and
maintaining in a segregated account cash or liquid instruments equal in value to
the difference between the two exercise prices. In addition, a ProFund may cover
its position by depositing and maintaining in a segregated account cash or
liquid instruments equal in value to the exercise price of the call option
written by the ProFund. When a ProFund writes a put option, the ProFund will
have and maintain on deposit with its custodian bank cash or liquid instruments
having a value equal to the exercise value of the option. The principal reason
for a ProFund to write call options on stocks held by the ProFund is to attempt
to realize, through the receipt of premiums, a greater return than would be
realized on the underlying securities alone.

     If a ProFund that writes an option wishes to terminate the ProFund's
obligation, the ProFund may effect a "closing purchase transaction." The ProFund
accomplishes this by buying an option of the same series as the option
previously written by the ProFund. The effect of the purchase is that the
writer's position will be canceled by the OCC. However, a writer may not effect
a closing purchase transaction after the writer has been notified of the
exercise of an option. Likewise, a ProFund which is the holder of an option may
liquidate its position by effecting a "closing sale transaction." The ProFund
accomplishes this by selling an option of the same series as the option
previously purchased by the ProFund. There is no guarantee that either a closing
purchase or a closing sale transaction can be effected. If any call or put
option is not exercised or sold, the option will become worthless on its
expiration date. A ProFund will realize a gain (or a loss) on a closing purchase
transaction with respect to a call or a put option previously written by the
ProFund if the premium, plus commission costs, paid by the ProFund to purchase
the call or put option to close the transaction is less (or greater) than the
premium, less commission costs, received by the ProFund on the sale of the call
or the put option. The ProFund also will realize a gain if a call or put option
which the ProFund has written lapses unexercised, because the ProFund would
retain the premium.

U.S. GOVERNMENT SECURITIES

     Each non-money market ProFund and the Portfolio also may invest in U.S.
government securities. U.S. government securities include U.S. Treasury
securities, which are backed by the full faith and credit of the U.S. Treasury
and which differ only in their interest rates, maturities, and times of
issuance. U.S. Treasury bills have initial maturities of one year or less; U.S.
Treasury notes have initial maturities of one to ten years; and U.S. Treasury
bonds generally have initial maturities of greater than ten years. Certain U.S.
government securities are issued or guaranteed by agencies or instrumentalities
of the U.S. government including, but not limited to, obligations of U.S.
government agencies or instrumentalities, such as the Federal National Mortgage
Association, the Government National Mortgage Association, the Small Business
Administration, the Federal Farm Credit Administration, the Federal Home Loan
Banks, Banks for Cooperatives (including the Central Bank for Cooperatives),the
Federal Land Banks, the Federal Intermediate Credit Banks, the Tennessee Valley
Authority, the Export-Import Bank of the United States, the Commodity Credit
Corporation, the Federal Financing Bank, the Student Loan Marketing Association,
and the National Credit Union Administration. Some obligations issued or
guaranteed by U.S. government agencies and instrumentalities, including, for
example, Government National Mortgage Association pass-through certificates, are
supported by the full faith and credit of the U.S. Treasury. Other obligations
issued by or guaranteed by Federal agencies, such as those securities issued by
the Federal National Mortgage Association, are supported by the discretionary
authority of the U.S. government to purchase certain obligations of the federal
agency, while other obligations issued by or guaranteed by federal agencies,
such as those of the Federal Home Loan Banks, are supported by the right of the
issuer to borrow from the U.S. Treasury. While the U.S. government provides
financial support to such U.S. government-




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sponsored Federal agencies, no assurance can be given that the U.S. government
will always do so, since the U.S. Government is not so obligated by law. U.S.
Treasury notes and bonds typically pay coupon interest semi-annually and repay
the principal at maturity.

REPURCHASE AGREEMENTS

     Each of the ProFunds may enter into repurchase agreements with financial
institutions. The ProFunds follow certain procedures designed to minimize the
risks inherent in such agreements. These procedures include effecting repurchase
transactions only with large, well-capitalized and well-established financial
institutions whose condition will be continually monitored by the Advisor and,
in the case of the Money Market ProFund, Bankers Trust. In addition, the value
of the collateral underlying the repurchase agreement will always be at least
equal to the repurchase price, including any accrued interest earned on the
repurchase agreement. In the event of a default or bankruptcy by a selling
financial institution, a ProFund will seek to liquidate such collateral which
could involve certain costs or delays and, to the extent that proceeds from any
sale upon a default of the obligation to repurchase were less than the
repurchase price, the ProFund could suffer a loss. It is the current policy of
the ProFunds not to invest in repurchase agreements that do not mature within
seven days if any such investment, together with any other liquid assets held by
the ProFund, amounts to more than 15% (10% with respect to the Money Market
ProFund) of the ProFund's total net assets. The investments of each of the
ProFunds in repurchase agreements at times may be substantial when, in the view
of the Advisor and, in the case of the Money Market ProFund, Bankers Trust,
liquidity, investment, regulatory, or other considerations so warrant.

REVERSE REPURCHASE AGREEMENTS

     The non-money market ProFunds and the Portfolio may use reverse repurchase
agreements as part of that ProFund's investment strategy. Reverse repurchase
agreements involve sales by a ProFund/Portfolio of portfolio assets concurrently
with an agreement by the ProFund/Portfolio to repurchase the same assets at a
later date at a fixed price. Generally, the effect of such a transaction is that
the ProFund/Portfolio can recover all or most of the cash invested in the
portfolio securities involved during the term of the reverse repurchase
agreement, while the ProFund/Portfolio will be able to keep the interest income
associated with those portfolio securities. Such transactions are advantageous
only if the interest cost to the ProFund/Portfolio of the reverse repurchase
transaction is less than the cost of obtaining the cash otherwise. Opportunities
to achieve this advantage may not always be available, and the
ProFund/Portfolios intend to use the reverse repurchase technique only when it
will be to the ProFund/Portfolio's advantage to do so and the Money Market
ProFund will not invest more than 5% of its total assets in reverse repurchase
agreements. The ProFund/Portfolios will establish a segregated account with
their custodian bank in which the ProFund/Portfolio will maintain cash or liquid
instruments equal in value to the ProFund/Portfolio's obligations in respect of
reverse repurchase agreements.

BORROWING

     The ProFunds (other than the Portfolio except to the degree the Portfolio
may borrow for temporary or emergency purposes) may borrow money for cash
management purposes or investment purposes. Each of the non-money market
ProFunds may also enter into reverse repurchase agreements, which may be viewed
as a form of borrowing, with financial institutions. However, to the extent a
ProFund "covers" its repurchase obligations as described above in "Reverse
Repurchase Agreements," such agreement will not be considered to be a "senior
security" and, therefore, will not be subject to the 300% asset coverage
requirement otherwise applicable to borrowings by the ProFunds. Borrowing for
investment is known as leveraging. Leveraging investments, by purchasing
securities with borrowed money, is a speculative technique which increases
investment risk, but also increases investment opportunity. Since substantially
all of a ProFund's assets will fluctuate in value, whereas the interest
obligations on borrowings may be fixed, the net asset value per share of the
ProFund will increase more when the ProFund's portfolio assets increase in value
and decrease more when the ProFund's portfolio assets decrease in value than
would otherwise be the case. Moreover, interest costs on borrowings may
fluctuate with changing market rates of interest and may partially offset or
exceed the returns on the borrowed funds. Under adverse conditions, a




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ProFund might have to sell portfolio securities to meet interest or principal
payments at a time when investment considerations would not favor such sales.

     As required by the Investment Company Act of 1940, as amended (the "1940
Act"), a ProFund must maintain continuous asset coverage (total assets,
including assets acquired with borrowed funds, less liabilities exclusive of
borrowings) of 300% of all amounts borrowed. If at any time the value of the
ProFund's assets should fail to meet this 300% coverage test, the ProFund,
within three days (not including Sundays and holidays), will reduce the amount
of the ProFund's borrowings to the extent necessary to meet this 300% coverage.
Maintenance of this percentage limitation may result in the sale of portfolio
securities at a time when investment considerations otherwise indicate that it
would be disadvantageous to do so. In addition to the foregoing, the ProFunds
are authorized to borrow money from a bank as a temporary measure for
extraordinary or emergency purposes in amounts not in excess of 5% of the value
of the ProFund's total assets. This borrowing is not subject to the foregoing
300% asset coverage requirement. The ProFunds are authorized to pledge portfolio
securities as the Advisor deems appropriate in connection with any borrowings.

LENDING OF PORTFOLIO SECURITIES

     Subject to the investment restrictions set forth below, each of the
ProFunds and the Portfolio may lend its portfolio securities to brokers,
dealers, and financial institutions, provided that cash equal to at least 100%
of the market value of the securities loaned is deposited by the borrower with
the ProFund/Portfolio and is maintained each business day in a segregated
account pursuant to applicable regulations. While such securities are on loan,
the borrower will pay the lending ProFund/Portfolio any income accruing thereon,
and the ProFund/Portfolio may invest the cash collateral in portfolio
securities, thereby earning additional income. A ProFund/Portfolio will not lend
more than 33% of the value of the ProFund's total assets, except that the
Portfolio will not lend more than 20% of the value of its total assets. Loans
would be subject to termination by the lending ProFund/Portfolio on four
business days' notice, or by the borrower on one day's notice. Borrowed
securities must be returned when the loan is terminated. Any gain or loss in the
market price of the borrowed securities which occurs during the term of the loan
inures to the lending ProFund/Portfolio and that ProFund's/Portfolio's
shareholders. A lending ProFund/Portfolio may pay reasonable finders, borrowers,
administrative, and custodial Trustees in connection with a loan.

WHEN-ISSUED AND DELAYED-DELIVERY SECURITIES

     Each non-money market ProFund (and to the extent allowable by its
investment policies, the Money Market ProFund), from time to time, in the
ordinary course of business, may purchase securities on a when-issued or
delayed-delivery basis (i.e., delivery and payment can take place between a
month and 120 days after the date of the transaction). These securities are
subject to market fluctuation and no interest accrues to the purchaser during
this period. At the time a ProFund makes the commitment to purchase securities
on a when-issued or delayed-delivery basis, the ProFund will record the
transaction and thereafter reflect the value of the securities, each day, in
determining the ProFund's net asset value. A ProFund will not purchase
securities on a when-issued or delayed-delivery basis if, as a result, more than
15% of the ProFund's net assets would be so invested. At the time of delivery of
the securities, the value of the securities may be more or less than the
purchase price.

     The Trust will also establish a segregated account with the Trust's
custodian bank in which the ProFunds will maintain liquid instruments equal to
or greater in value than the ProFund's purchase commitments for such when-issued
or delayed-delivery securities, or the Trust does not believe that a ProFund's
net asset value or income will be adversely affected by the ProFund's purchase
of securities on a when-issued or delayed delivery basis.

INVESTMENTS IN OTHER INVESTMENT COMPANIES

     The ProFunds may invest in the securities of other investment companies to
the extent that such an investment would be consistent with the requirements of
the 1940 Act. If a ProFund invests in, and, thus, is




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a shareholder of, another investment company, the ProFund's shareholders will
indirectly bear the ProFund's proportionate share of the fees and expenses paid
by such other investment company, including advisory fees, in addition to both
the management fees payable directly by the ProFund to the ProFund's own
investment adviser and the other expenses that the ProFund bears directly in
connection with the ProFund's own operations.

ILLIQUID SECURITIES

     While none of the ProFunds anticipates doing so, each of the ProFunds and
the Portfolio may purchase illiquid securities, including securities that are
not readily marketable and securities that are not registered ("restricted
securities") under the Securities Act of 1933, as amended (the "1933 Act"), but
which can be sold to qualified institutional buyers under Rule 144A of the 1933
Act. A ProFund will not invest more than 15% (10% with respect to the Portfolio)
of the ProFund's/Portfolio's net assets in illiquid securities. 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 ProFund has valued the securities. Under the current
guidelines of the staff of the Securities and Exchange Commission (the
"Commission"),illiquid securities also are considered to include, among other
securities, purchased over-the-counter options, certain cover for
over-the-counter options, repurchase agreements with maturities in excess of
seven days, and certain securities whose disposition is restricted under the
Federal securities laws. The ProFund/Portfolio may not be able to sell illiquid
securities when the Advisor or Bankers Trust considers it desirable to do so or
may have to sell such securities at a price that is lower than the price that
could be obtained if the securities were more liquid. In addition, the sale of
illiquid securities also may require more time and may result in higher dealer
discounts and other selling expenses than does the sale of securities that are
not illiquid. Illiquid securities also may be more difficult to value due to the
unavailability of reliable market quotations for such securities, and
investments in illiquid securities may have an adverse impact on net asset
value.

     Institutional markets for restricted securities have developed as a result
of the promulgation of Rule 144A under the 1933 Act, which provides a safe
harbor from 1933 Act registration requirements for qualifying sales to
institutional investors. When Rule 144A restricted securities present an
attractive investment opportunity and otherwise meet selection criteria, a
ProFund may make such investments. Whether or not such securities are illiquid
depends on the market that exists for the particular security. The Commission
staff has taken the position that the liquidity of Rule 144A restricted
securities is a question of fact for a board of trustees to determine, such
determination to be based on a consideration of the readily-available trading
markets and the review of any contractual restrictions. The staff also has
acknowledged that, while a board of trustees retains ultimate responsibility,
trustees may delegate this function to an investment adviser. Trustees of
ProFunds have delegated this responsibility for determining the liquidity of
Rule 144A restricted securities which may be invested in by a ProFund to the
Advisor or, in the case of the Portfolio, to Bankers Trust. It is not possible
to predict with assurance exactly how the market for Rule 144A restricted
securities or any other security will develop. A security which when purchased
enjoyed a fair degree of marketability may subsequently become illiquid and,
accordingly, a security which was deemed to be liquid at the time of acquisition
may subsequently become illiquid. In such event, appropriate remedies will be
considered to minimize the effect on the ProFund's liquidity.

BANK OBLIGATIONS (MONEY MARKET PROFUND AND THE PORTFOLIO)

     For purposes of the Portfolio's investment policies with respect to bank
obligations, the assets of a bank will be deemed to include the assets of its
domestic and foreign branches. Obligations of foreign branches of U.S. banks and
foreign banks may be general obligations of the parent bank in addition to the
issuing bank or may be limited by the terms of a specific obligation and by
government regulation. If Bankers Trust, acting under the supervision of the
Portfolio's Board of Trustees, deems the instruments to present minimal credit
risk, the Portfolio may invest in obligations of foreign banks or foreign
branches of U.S. banks which include banks located in the United Kingdom, Grand
Cayman Island, Nassau, Japan and Canada. Investments in these obligations may
entail risks that are different from those of investments in obligations of U.S.
domestic banks because of differences in political, regulatory and economic
systems and conditions. These risks include, without limitation, future
political and economic developments,




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currency blockage, the possible imposition of withholding taxes on interest
payments, possible seizure or nationalization of foreign deposits, and
difficulty or inability of pursuing legal remedies and obtaining judgment
concerning the types of securities and other instruments in which the Portfolio
may invest.

COMMERCIAL PAPER AND OTHER DEBT OBLIGATIONS (MONEY MARKET PROFUND
AND THE PORTFOLIO)

     The commercial paper and other debt obligations in which the Portfolio may
invest are short-term, unsecured negotiable promissory notes of U.S. or foreign
corporations that at the time of purchase meet the rating criteria described in
the Prospectus. Investments in foreign commercial paper generally involve risks
similar to those described above relating to obligations of foreign banks or
foreign branches of U.S. banks.

PORTFOLIO TURNOVER

     As discussed in the Prospectus, the ProFunds anticipate that their
investors as part of their strategy, will frequently exchange shares of the
ProFunds for shares in other ProFunds pursuant to the exchange policy, as well
as frequently redeem shares of the ProFunds (see "Shareholders' Guide -- How to
Exchange Shares of the ProFunds" in the Prospectus). The nature of the ProFunds
will cause the ProFunds to experience substantial portfolio turnover. Because
each ProFund's portfolio turnover rate to a great extent will depend on the
purchase, redemption, and exchange activity of the ProFund's investors, it is
difficult to estimate what the ProFund's actual turnover rate will be in the
future. "Portfolio Turnover Rate" is defined under the rules of the Commission
as the value of the securities purchased or securities sold, excluding all
securities whose maturities at time of acquisition were one year or less,
divided by the average monthly value of such securities owned during the year.
Based on this definition, instruments with remaining maturities of less than one
year are excluded from the calculation of portfolio turnover rate. Instruments
excluded from the calculation of portfolio turnover generally would include the
futures contracts and option contracts in which the non-money market ProFunds
invest since such contracts generally have a remaining maturity of less than one
year. Pursuant to the formula prescribed by the Commission, the portfolio
turnover rate for each ProFund is calculated without regard to instruments,
including options and futures contracts, having a maturity of less than one
year. The Bull ProFund, the UltraBull ProFund, the Bear ProFund and the
UltraBear ProFund typically hold most of their investments in short-term options
and futures contracts, which, therefore, are excluded for purposes of computing
portfolio turnover. Therefore, based on the Commission's portfolio turnover
formula, each of these ProFunds expects a portfolio turnover rate of
approximately 0%.

                             INVESTMENT RESTRICTIONS

     The ProFunds and the Portfolio have adopted certain investment restrictions
as fundamental policies which cannot be changed without the approval of the
holders of a "majority" of the outstanding shares of the ProFund or the
Portfolio, as that term is defined in the 1940 Act. The term "majority" is
defined in the 1940 Act as the lesser of: (i) 67% or more of the shares of the
series present at a meeting of shareholders, if the holders of more than 50% of
the outstanding shares of the ProFund are present or represented by proxy; or
(ii) more than 50% of the outstanding shares of the series. (All policies of a
ProFund not specifically identified in this Statement of Additional Information
or the Prospectus as fundamental may be changed without a vote of the
shareholders of the ProFund.) For purposes of the following limitations, all
percentage limitations apply immediately after a purchase or initial investment.

     A non-money market ProFund may not:

     1.  Invest more than 25% of its total assets, taken at market value at the
         time of each investment, in the securities of issuers in any particular
         industry (excluding the U.S. government and its agencies and
         instrumentalities).

     2.  Make investments for the purpose of exercising control or management.



                                      B-9
<PAGE>   10



     3.  Purchase or sell real estate, except that, to the extent permitted by
         applicable law, the ProFund may invest in securities directly or
         indirectly secured by real estate or interests therein or issued by
         companies that invest in real estate or interests therein.

     4.  Make loans to other persons, except that the acquisition of bonds,
         debentures or other corporate debt securities and investment in
         government obligations, commercial paper, pass-through instruments,
         certificates of deposit, bankers' acceptances and repurchase agreements
         and purchase and sale contracts and any similar instruments shall not
         be deemed to be the making of a loan, and except further that the
         ProFund may lend its portfolio securities, provided that the lending of
         portfolio securities may be made only in accordance with applicable law
         and the guidelines set forth in the Prospectus and this Statement of
         Additional Information, as they may be amended from time to time.

     5.  Issue senior securities to the extent such issuance would violate
         applicable law.

     6.  Borrow money, except that the ProFund (i) may borrow from banks (as
         defined in the Investment Company Act of 1940) in amounts up to 33-1/3%
         of its total assets (including the amount borrowed), (ii) may, to the
         extent permitted by applicable law, borrow up to an additional 5% of
         its total assets for temporary purposes, (iii) may obtain such
         short-term credit as may be necessary for the clearance of purchases
         and sales of portfolio securities, (iv) may purchase securities on
         margin to the extent permitted by applicable law and (v) may enter into
         reverse repurchase agreements. The ProFund may not pledge its assets
         other than to secure such borrowings or, to the extent permitted by the
         ProFund's investment policies as set forth in the Prospectus and this
         Statement of Additional Information, as they may be amended from time
         to time, in connection with hedging transactions, short sales,
         when-issued and forward commitment transactions and similar investment
         strategies.

   
     7.  Underwrite securities of other issuers, except insofar as the ProFund
         technically may be deemed an underwriter under the Securities Act of
         1933, as amended, in selling portfolio securities.
    

     8.  Purchase or sell commodities or contracts on commodities, except to the
         extent the ProFund may do so in accordance with applicable law and the
         ProFund's Prospectus and Statement of Additional Information, as they
         may be amended from time to time.

     THE FOLLOWING FUNDAMENTAL INVESTMENT RESTRICTIONS AND NON-FUNDAMENTAL
INVESTMENT OPERATING POLICIES HAVE BEEN ADOPTED BY THE TRUST, WITH RESPECT TO
THE MONEY MARKET PROFUND, AND BY THE PORTFOLIO. UNLESS AN INVESTMENT INSTRUMENT
OR TECHNIQUE IS DESCRIBED IN THE PROSPECTUS OR ELSEWHERE HEREIN, THE MONEY
MARKET PROFUND AND THE PORTFOLIO MAY NOT INVEST IN THAT INVESTMENT INSTRUMENT OR
ENGAGE IN THAT INVESTMENT TECHNIQUE.

     The investment restrictions below have been adopted by the Trust with
respect to the Money Market ProFund and by the Portfolio as fundamental policies
(as defined above). Whenever the Money Market ProFund is requested to vote on a
change in the investment restrictions of the Portfolio, the Trust will hold a
meeting of the Money Market ProFund shareholders and will cast its votes as
instructed by the shareholders. The Money Market ProFund shareholders who do not
vote will not affect the Trust's votes at the Portfolio meeting. The percentage
of the Trust's votes representing ProFund shareholders not voting will be voted
by the Trustees of the Trust in the same proportion as the Fund shareholders who
do, in fact, vote.

     Under investment policies adopted by the Money Market ProFund and by the
Portfolio, each of the Money Market ProFund and Portfolio may not:



                                      B-10
<PAGE>   11



     1.  Borrow money, except for temporary or emergency (not leveraging)
         purposes in an amount not exceeding 5% of the value of the ProFund's or
         the Portfolio's total assets (including the amount borrowed), as the
         case may be, calculated in each case at the lower of cost or market.

     2.  Pledge, hypothecate, mortgage or otherwise encumber more than 5% of the
         total assets of the ProFund or the Portfolio, as the case may be, and
         only to secure borrowings for temporary or emergency purposes.

     3.  Invest more than 5% of the total assets of the ProFund or the
         Portfolio, as the case may be, in any one issuer (other than U.S.
         government obligations) or purchase more than 10% of any class of
         securities of any one issuer; provided, however, that (i) up to 25% of
         the assets of the ProFund and the Portfolio may be invested without
         regard to this restriction; provided, however, that nothing in this
         investment restriction shall prevent the Trust from investing all or
         part of a ProFund's assets in an open-end management investment company
         with substantially the same investment objectives as the ProFund.

     4.  Invest more than 25% of the total assets of the ProFund or the
         Portfolio, as the case may be, in the securities of issuers in any
         single industry; provided that: (i) this limitation shall not apply to
         the purchase of U.S. government obligations; (ii) under normal market
         conditions more than 25% of the total assets of the Money Market
         ProFund and the Portfolio will be invested in obligations of foreign
         and U.S. Banks provided, however, that nothing in this investment
         restriction shall prevent a Trust from investing all or part of a
         ProFund's assets in an open-end management investment company with
         substantially the same investment objectives as the ProFund.

     5.  Make short sales of securities, maintain a short position or purchase
         any securities on margin, except for such short-term credits as are
         necessary for the clearance of transactions.

     6.  Underwrite the securities issued by others (except to the extent the
         ProFund or Portfolio may be deemed to be an underwriter under the
         Federal securities laws in connection with the disposition of its
         portfolio securities) or knowingly purchase restricted securities,
         provided, however, that nothing in this investment restriction shall
         prevent the Trust from investing all of the ProFund's assets in an
         open-end management investment company with substantially the same
         investment objectives as the ProFund.

     7.  Purchase or sell real estate, real estate investment trust securities,
         commodities or commodity contracts, or oil, gas or mineral interests,
         but this shall not prevent the ProFund or the Portfolio from investing
         in obligations secured by real estate or interests therein.

     8.  Make loans to others, except through the purchase of qualified debt
         obligations, the entry into repurchase agreements and, with respect to
         the ProFund and the Portfolio, the lending of portfolio securities.

     9.  Invest more than an aggregate of 10% of the net assets of the ProFund
         or the Portfolio's, respectively, (taken, in each case, at current
         value) in (i) securities that cannot be readily resold to the public
         because of legal or contractual restrictions or because there are no
         market quotations readily available or (ii) other "illiquid" securities
         (including time deposits and repurchase agreements maturing in more
         than seven calendar days); provided, however, that nothing in this
         investment restriction shall prevent the Trust from investing all or
         part of the ProFund's assets in an open-end management investment
         company with substantially the same investment objective as the
         ProFund.

     10. Purchase more than 10% of the voting securities of any issuer or invest
         in companies for the purpose of exercising control or management;
         provided, however, that nothing in this investment




                                      B-11
<PAGE>   12



         restriction shall prevent the Trust from investing all or part of the
         ProFund's assets in an open-end management investment company with
         substantially the same investment objectives as the ProFund.

     11. Purchase securities of other investment companies, except to the extent
         permitted under the 1940 Act or in connection with a merger,
         consolidation, reorganization, acquisition of assets or an offer of
         exchange; provided, however, that nothing in this investment
         restriction shall prevent the Trust from investing all or part of the
         ProFunds' assets in an open-end management investment company with
         substantially the same investment objectives as the ProFund.

     12. Issue any senior securities, except insofar as it may be deemed to have
         issued a senior security by reason of (i) entering into a reverse
         repurchase agreement or (ii) borrowing in accordance with terms
         described in the Prospectus and this SAI.

     13. Purchase or retain the securities of any issuer if any of the officers
         or trustees of the ProFund or the Portfolio or Bankers Trust owns
         individually more than 1/2 of 1% of the securities of such issuer, and
         together such officers and directors own more than 5% of the securities
         of such issuer.

     14. Invest in warrants, except that the ProFund or the Portfolio may invest
         in warrants if, as a result, the investments (valued in each case at
         the lower of cost or market) would not exceed 5% of the value of the
         net assets of the ProFund or the Portfolio, as the case may be, of
         which not more than 2% of the net assets of the ProFund or the
         Portfolio, as the case may be, may be invested in warrants not listed
         on a recognized domestic stock exchange. Warrants acquired by the
         ProFund or the Portfolio as part of a unit or attached to securities at
         the time of acquisition are not subject to this limitation.

     ADDITIONAL RESTRICTIONS. In order to comply with certain statutes and
policies, the Portfolio (or Trust, on behalf of the Money Market ProFund) will
not as a matter of operating policy (except that no operating policy shall
prevent the ProFund from investing all of its assets in an open-end investment
company with substantially the same investment objective):

     (i)   borrow money (including through dollar roll transactions) for any
           purpose in excess of 10% of the Portfolio's (ProFund's) total assets
           (taken at cost), except that the Portfolio (ProFund) may borrow for
           temporary or emergency purposes up to 1/3 of its total assets;

     (ii)  pledge, mortgage or hypothecate for any purpose in excess of 10% of
           the Portfolio's (ProFund's) total assets (taken at market value),
           provided that collateral arrangements with respect to options and
           futures, including deposits of initial deposit and variation margin,
           are not considered a pledge of assets for purposes of this
           restriction;

     (iii) purchase any security or evidence of interest therein on margin,
           except that such short-term credit as may be necessary for the
           clearance of purchases and sales of securities may be obtained and
           except that deposits of initial deposit and variation margin may be
           made in connection with the purchase, ownership, holding or sale of
           futures;

     (iv)  sell any security which it does not own unless by virtue of its
           ownership of other securities it has at the time of sale a right to
           obtain securities, without payment of further consideration,
           equivalent in kind and amount to the securities sold and provided
           that if such right is conditional the sale is made upon the same
           conditions;

     (v)   invest for the purpose of exercising control or management;

     (vi)  purchase securities issued by any investment company except by
           purchase in the open market where no commission or profit to a
           sponsor or dealer results from such purchase other than the




                                      B-12
<PAGE>   13



           customary broker's commission, or except when such purchase, though
           not made in the open market, is part of a plan of merger or
           consolidation; provided, however, that securities of any investment
           company will not be purchased for the Portfolio (ProFund) if such
           purchase at the time thereof would cause (a) more than 10% of the
           Portfolio's (ProFund's) total assets (taken at the greater of cost or
           market value) to be invested in the securities of such issuers; (b)
           more than 5% of the Portfolio's (ProFund's) total assets (taken at
           the greater of cost or market value) to be invested in any one
           investment company; or (c) more than 3% of the outstanding voting
           securities of any such issuer to be held for the Portfolio (ProFund);
           and, provided further, that the Portfolio shall not invest in any
           other open-end investment company unless the Portfolio (ProFund) (1)
           waives the investment advisory fee with respect to assets invested in
           other open-end investment companies and (2) incurs no sales charge in
           connection with the investment (as an operating policy, each
           Portfolio will not invest in another open-end registered investment
           company);

     (vii) invest more than 15% of the Portfolio's (ProFund's) total net assets
           (taken at the greater of cost or market value) in securities that are
           illiquid or not readily marketable not including (a) Rule 144A
           securities that have been determined to be liquid by the Board of
           Trustees; and (b) commercial paper that is sold under section 4(2) of
           the 1933 Act which: (i) is not traded flat or in default as to
           interest or principal; and (ii) is rated in one of the two highest
           categories by at least two nationally recognized statistical rating
           organizations; (iii) is rated one of the two highest categories by
           one nationally recognized statistical rating agency and the
           Portfolio's (ProFund's) Board of Trustees have determined that the
           commercial paper is equivalent quality and is liquid;

     (viii)invest more than 5% of the Portfolio's (ProFund's) total assets in
           securities issued by issuers which (including predecessors) have been
           in operation less than three years;

     (ix)  invest more than 10% of the Portfolio's (ProFund's) total assets
           (taken at the greater of cost or market value) in securities that are
           restricted as to resale under the 1933 Act (other than Rule 144A
           securities deemed liquid by the Portfolio's (ProFund's) Board of
           Trustees);

     (x)   with respect to 75% of the Portfolio's (ProFund's) total assets,
           purchase securities of any issuer if such purchase at the time
           thereof would cause the Portfolio (ProFund) to hold more than 10% of
           any class of securities of such issuer, for which purposes all
           indebtedness of an issuer shall be deemed a single class and all
           preferred stock of an issuer shall be deemed a single class, except
           that futures or option contracts shall not be subject to this
           restriction;

     (xi)  if the Portfolio (ProFund) is a "diversified" ProFund with respect to
           75% of its assets, invest more than 5% of its total assets in the
           securities (excluding U.S. government securities) of any one issuer;

     (xii) purchase or retain in the Portfolio's (ProFund's) portfolio any
           securities issued by an issuer any of whose officers, directors,
           trustees or security holders is an officer or Trustee of the
           Portfolio (Trust), or is an officer or partner of the Adviser, if
           after the purchase of the securities of such issuer for the Portfolio
           (ProFund) one or more of such persons owns beneficially more than 1/2
           of 1% of the shares or securities, or both, all taken at market
           value, of such issuer, and such persons owning more than 1/2 of 1% of
           such shares or securities together own beneficially more than 5% of
           such shares or securities, or both, all taken at market value;

     (xiii)invest more than 5% of the Portfolio's (ProFund's) net assets in
           warrants (valued at the lower of cost or market) (other than warrants
           acquired by the Portfolio (ProFund) as part of a unit or attached to
           securities at the time of purchase), but not more than 2% of the
           Portfolio's (ProFund's) net assets may be invested in warrants not
           listed on the American Stock Exchange or the New York Stock Exchange,
           Inc. ("NYSE");


                                      B-13
<PAGE>   14



     (xiv) make short sales of securities or maintain a short position, unless
           at all times when a short position is open it owns an equal amount of
           such securities or securities convertible into or exchangeable,
           without payment of any further consideration, for securities of the
           same issue and equal in amount to, the securities sold short, and
           unless not more than 10% of the Portfolio's (ProFund's) net assets
           (taken at market value) is represented by such securities, or
           securities convertible into or exchangeable for such securities, at
           any one time (the Portfolio (ProFund) has no current intention to
           engage in short selling).

     The Money Market ProFund will comply with the state securities laws and
regulations of all states in which it is registered. The Portfolio will comply
with the permitted investments and investment limitations in the securities laws
and regulations of all states in which the Portfolio, or any other registered
investment company investing in the Portfolio, is registered.

                      PORTFOLIO TRANSACTIONS AND BROKERAGE


NON-MONEY MARKET PROFUNDS

     Subject to the general supervision by the Trustees, the Advisor is
responsible for decisions to buy and sell securities for each of the ProFunds,
the selection of brokers and dealers to effect the transactions, and the
negotiation of brokerage commissions, if any. The Advisor expects that the
ProFunds may execute brokerage or other agency transactions through registered
broker-dealers, for a commission, in conformity with the 1940 Act, the
Securities Exchange Act of 1934, as amended, and the rules and regulations
thereunder. The Advisor may serve as an investment manager to a number of
clients, including other investment companies. It is the practice of the Advisor
to cause purchase and sale transactions to be allocated among the ProFunds and
others whose assets the Advisor manages in such manner as the Advisor deems
equitable. The main factors considered by the Advisor in making such allocations
among the ProFunds and other client accounts of the Advisor are the respective
investment objectives, the relative size of portfolio holdings of the same or
comparable securities, the availability of cash for investment, the size of
investment commitments generally held, and the opinions of the person(s)
responsible, if any, for managing the portfolios of the ProFunds and the other
client accounts.

     The policy of each ProFund regarding purchases and sales of securities for
a ProFund's portfolio is that primary consideration will be given to obtaining
the most favorable prices and efficient executions of transactions. Consistent
with this policy, when securities transactions are effected on a stock exchange,
each ProFund's policy is to pay commissions which are considered fair and
reasonable without necessarily determining that the lowest possible commissions
are paid in all circumstances. Each ProFund believes that a requirement always
to seek the lowest possible commission cost could impede effective portfolio
management and preclude the ProFund and the Advisor from obtaining a high
quality of brokerage and research services. In seeking to determine the
reasonableness of brokerage commissions paid in any transaction, the Advisor
relies upon its experience and knowledge regarding commissions generally charged
by various brokers and on its judgment in evaluating the brokerage and research
services received from the broker effecting the transaction. Such determinations
are necessarily subjective and imprecise, as in most cases an exact dollar value
for those services is not ascertainable.

     Purchases and sales of U.S. government securities are normally transacted
through issuers, underwriters or major dealers in U.S. government securities
acting as principals. Such transactions are made on a net basis and do not
involve payment of brokerage commissions. The cost of securities purchased from
an underwriter usually includes a commission paid by the issuer to the
underwriters; transactions with dealers normally reflect the spread between bid
and asked prices.

     In seeking to implement a ProFund's policies, the Advisor effects
transactions with those brokers and dealers who the Advisor believes provide the
most favorable prices and are capable of providing efficient executions. If the
Advisor believes such prices and executions are obtainable from more than one
broker




                                      B-14
<PAGE>   15



or dealer, the Advisor may give consideration to placing portfolio transactions
with those brokers and dealers who also furnish research and other services to
the ProFund or the Advisor. Such services may include, but are not limited to,
any one or more of the following: information as to the availability of
securities for purchase or sale; statistical or factual information or opinions
pertaining to investment; wire services; and appraisals or evaluations of
portfolio securities. If the broker-dealer providing these additional services
is acting as a principal for its own account, no commissions would be payable.
If the broker-dealer is not a principal, a higher commission may be justified,
at the determination of the Advisor, for the additional services.

     The information and services received by the Advisor from brokers and
dealers may be of benefit to the Advisor in the management of accounts of some
of the Advisor's other clients and may not in all cases benefit a ProFund
directly. While the receipt of such information and services is useful in
varying degrees and would generally reduce the amount of research or services
otherwise performed by the Advisor and thereby reduce the Advisor's expenses,
this information and these services are of indeterminable value and the
management fee paid to the Advisor is not reduced by any amount that may be
attributable to the value of such information and services.

MONEY MARKET PROFUND AND THE PORTFOLIO

     Decisions to buy and sell securities and other financial instruments for
the Money Market ProFund and the Portfolio are made by Bankers Trust, which also
is responsible for placing these transactions, subject to the overall review of
the Portfolio's Board of Trustees. Although investment requirements for the
Portfolio are reviewed independently from those of the other accounts managed by
Bankers Trust (the "Other Portfolios"), investments of the type the Portfolio
may make may also be made by these Other Portfolios. When the Portfolio and one
or more Other Portfolios or accounts managed by Bankers Trust are prepared to
invest in, or desire to dispose of, the same security or other financial
instrument, available investments or opportunities for sales will be allocated
in a manner believed by Bankers Trust to be equitable to each. In some cases,
this procedure may affect adversely the price paid or received by the Portfolio
or the size of the position obtained or disposed of by the Portfolio.

     Purchases and sales of securities on behalf of the Portfolio usually are
principal transactions. These securities are normally purchased directly from
the issuer or from an underwriter or market maker for the securities. The cost
of securities purchased from underwriters includes an underwriting commission or
concession and the prices at which securities are purchased from and sold to
dealers include a dealer's mark-up or mark-down. U.S. government obligations are
generally purchased from underwriters or dealers, although certain newly issued
U.S. government obligations may be purchased directly from the U.S. Treasury or
from the issuing agency or instrumentality.

     Over-the-counter purchases and sales are transacted directly with principal
market makers except in those cases in which better prices and executions may be
obtained elsewhere and principal transactions are not entered into with persons
affiliated with the Portfolios except pursuant to exemptive rules or orders
adopted by the Commission. Under rules adopted by the Commission, broker-dealers
may not execute transactions on the floor of any national securities exchange
for the accounts of affiliated persons, but may effect transactions by
transmitting orders for execution.

     In selecting brokers or dealers to execute portfolio transactions on behalf
of the Portfolio, Bankers Trust seeks the best overall terms available. In
assessing the best overall terms available for any transaction, Bankers Trust
will consider the factors it deems relevant, including the breadth of the market
in the investment, the price of the investment, the financial condition and
execution capability of the broker or dealer and the reasonableness of the
commission, if any, for the specific transaction and on a continuing bases. In
addition, Bankers Trust is authorized, in selecting parties to execute a
particular transaction and in evaluating the best overall terms available to
consider the brokerage, but not research services (as those terms are defined in
Section 28(e) of the Securities Exchange Act of 1934, as amended) provided to
the Portfolio involved, the other Portfolios and/or other accounts over which
Bankers Trust or its affiliates




                                      B-15
<PAGE>   16



exercise investment discretion. Bankers Trust's fees under its agreements with
the Portfolios are not reduced by reason of its receiving brokerage services.

     The valuation of the Portfolio's securities is based on their amortized
cost, which does not take into account unrealized capital gains or losses.
Amortized cost valuation involves initially valuing an instrument at its cost
and thereafter assuming a constant amortization to maturity of any discount or
premium, generally without regard to the impact of fluctuating interest rates on
the market value of the instrument. Although this method provides certainty in
valuation, it may result in periods during which value, as determined by
amortized cost, is higher or lower than the price a Portfolio would receive if
it sold the instrument.

     The Portfolio's use of the amortized cost method of valuing its securities
is permitted by a rule adopted by the Commission. Under this rule, the Portfolio
must maintain a dollar-weighted average portfolio maturity of 90 days or less,
purchase only instruments having remaining maturities of 397 days or and invest
only in securities determined by or under the supervision of the Board of
Trustees to be of high quality with minimal credit risks.

     Pursuant to the rule, the Board of Trustees of the Portfolio also has
established procedures designed to allow investors in the Portfolio, such as the
Money Market ProFund, to stabilize, to the extent reasonably possible, the
investors' price per share as computed for the purpose of sales and redemptions
at $1.00. These procedures include review of the Portfolio's holdings by the
Portfolio's Board of Trustees, at such intervals as it deems appropriate, to
determine whether the value of the Portfolio's assets calculated by using
available market quotations or market equivalents deviates from such valuation
based on amortized cost.

     The rule also provides that the extent of any deviation between the value
of the Portfolio's assets based on available market quotations or market
equivalents and such valuation based on amortized cost must be examined by the
Portfolio's Board of Trustees. In the event the Portfolio's Board of Trustees
determines that a deviation exists that may result in material dilution or other
unfair results to investors or existing shareholders, pursuant to the rule, the
Portfolio's Board of Trustees must cause the Portfolio to take such corrective
action as such Board of Trustees regards as necessary and appropriate,
including: selling portfolio instruments prior to maturity to realize capital
gains or losses or to shorten average portfolio maturity; withholding dividends
or paying distributions from capital or capital gains; redeeming shares in kind;
or valuing the Portfolio's assets by using available market quotations.

     Each investor in the Portfolio, including the Money Market ProFund, may add
to or reduce its investment in the Portfolio on each day the Portfolio
determines its Net Asset Value ("NAV"). At the close of each such business day,
the value of each investor's beneficial interest in the Portfolio will be
determined by multiplying the NAV of the Portfolio by the percentage, effective
for that day, which represents that investor's share of the aggregate beneficial
interests in the Portfolio. Any additions or withdrawals, which are to be
effected as of the close of business on that day, will then be effected. The
investor's percentage of the aggregate beneficial interests in the Portfolio
will then be recomputed as the percentage equal to the fraction (i) the
numerator of which is the value of such investor's investment in the Portfolio
as of the close of business on such day plus or minus, as the case may be, the
amount of net additions to or withdrawals from the investor's investment in the
Portfolio effected as of the close of business on such day, and (ii) the
denominator of which is the aggregate NAV of the Portfolio as of the close of
business on such day plus or minus, as the case may be, the amount of net
additions to or withdrawals from the aggregate investments in the Portfolio by
all investors in the Portfolio. The percentage so determined will then be
applied to determine the value of the investor's interest in the Portfolio as of
the close of the following business day.



                                      B-16
<PAGE>   17
                             MANAGEMENT OF PROFUNDS

     The Board of Trustees is responsible for the general supervision of the
Trust's business. The day-to-day operations of the ProFunds are the
responsibilities of ProFunds' officers. The names and addresses (and ages) of
the Trustees of the Trust and the Portfolio, the officers of the Trust and the
Portfolio, and the officers of the Advisor, together with information as to
their principal business occupations during the past five years, are set forth
below. Fees and expenses for non-interested Trustees will be paid by the Trust;
Trustee expenses for interested Trustees will be paid by ProFund Advisors LLC.

TRUSTEES AND OFFICERS OF PROFUNDS

     Michael L. Sapir* (birthdate: May 19, 1958): Trustee, Chairman and Chief
Executive Officer; Chairman and Chief Executive Officer, ProFund Advisors LLC;
Principal, Law Offices of Michael L. Sapir; Rydex Distributors, Inc., President;
Padco Advisors, Inc., Senior Vice President, General Counsel; Jorden Burt
Berenson & Klingensmith, Partner. His address is 7900 Wisconsin Avenue, Suite
300, Bethesda, Maryland 20814.

     Louis M. Mayberg* (birthdate: August 9, 1962): Trustee, Secretary; ProFund
Advisors LLC, President; Potomac Securities, Inc., President; National Capital
Companies, LLC, Managing Director. His address is 7900 Wisconsin Avenue, Suite
300, Bethesda, Maryland 20814.

     Nimish Bhatt: (birthdate: June 6, 1963): Treasurer; BISYS Fund Services,
Vice President, Tax and Financial Services; Evergreen Funds/First Union Bank,
Assistant Vice President; Price Waterhouse LLP, Senior Tax Consultant. His
address is 3435 Stelzer Road, Columbus, Ohio 43219.

     Michael C. Wachs (birthdate: October 21, 1961): Trustee; Delancy Investment
Group, Inc., Vice President; First Union National Bank, Vice President/Senior
Underwriter; First Union Capital Markets Corp., Vice President; Vice
President/Senior Credit Officer; Vice President/Team Leader. His address is 1528
Powder Mill Lane, Wynnewood, Pennsylvania 19096.

     Russell S. Reynolds, III (birthdate: July 21, 1957): Trustee; Directorship,
Inc., Managing Director, Chief Financial Officer and Secretary; Quadcom
Services, Inc., President. His address is 7 Stag Lane, Greenwich, Connecticut
06831.

     James Gillespie (birthdate: November 12, 1966): Vice President; BISYS Fund
Services, Client Service Manager; BISYS Fund Services, Transfer Agency Control
Area Supervisor. His address is 3435 Stelzer Road, Columbus, Ohio 43219.

     *This Trustee is deemed to be an "interested person" within the meaning of
Section 2(a)(19) of the 1940 Act, inasmuch as this person is affiliated with the
Advisor, as described herein.

     As of April 6, 1998, the officers and trustees, as a group, own less than
1% of the outstanding shares of the ProFunds.

                           TRUSTEE COMPENSATION TABLE

     The following table reflects actual fees paid to the Trustees for the year
ended December 31, 1997.

<TABLE>
<CAPTION>
NAME OF
PERSON: POSITION                                                                                 COMPENSATION
- ----------------                                                                                 ------------
<S>                                                                                               <C>   
Michael L. Sapir, Trustee, Chairman and Chief Executive Officer                                      None

Louis M. Mayberg, Trustee, President,                                                                None
Secretary

Russell S. Reynolds, III, Trustee                                                                   $1,540

Michael C. Wachs, Trustee                                                                           $1,540

</TABLE>



                                      B-17
<PAGE>   18



TRUSTEES AND OFFICERS OF THE PORTFOLIO:

     The Board of Trustees of the Portfolio ("Portfolio Trustees") is composed
of persons experienced in financial matters who meet throughout the year to
oversee the activities of the Portfolio. In addition the Portfolio Trustees
review contractual arrangements with companies that provide services to the
Portfolio.

     The Portfolio Trustees and officers of the Portfolio, their birthdates and
their principal occupations during the past five years are set forth below.
Their titles may have varied during that period. Unless otherwise indicated the
address of each officer is Clearing Operations, P.O. Box 897, Pittsburgh,
Pennsylvania 15230-0897.

   Trustees of the Portfolio:

     Philip Saunders, Jr. (birthdate: October 11, 1935): Portfolio Trustee;
Principal, Philip Saunders Associates (Consulting); former Director of Financial
Industry Consulting, Wolf & Company; President, John Hancock Home Mortgage
Corporation; and Senior Vice President of Treasury and Financial Services, John
Hancock Mutual Life Insurance Company, Inc. His address is 445 Glen Road,
Weston, Massachusetts 02193.

     Charles P. Biggar (birthdate: October 13, 1930): Portfolio Trustee;
Retired; Director of Chase/NBW Bank Advisory Board; Director, Batement, Eichler,
Hill, Richards Inc.; formerly Vice President of International Business Machines
and President of the National Services and the Field Engineering Divisions of
IBM. His address is 12 Hitching Post Lane, Chappaqua, New York 10514.

     S. Leland Dill (birthdate: March 28, 1930): Portfolio Trustee; Retired;
Director, Coutts Group; Coutts (U.S.A.) International; Coutts Trust Holdings
Ltd; director, Sweig Series Trust; formerly Partner of KPMG Peat Marwick;
director, Vinters International Company Inc.; General Partner of Pemco (an
investment company registered under the 1940 Act). His address is 5070 North
Ocean Drive, Singer Island, Florida 33404.

   Officers of the Portfolio:

     Ronald M. Petnuch (birthdate: February 27, 1960): President and Treasurer;
Senior Vice President, Federated Services Company ("FSC"); formerly, Director of
Proprietary Client Services, Federated Administrative Services ("FAS"), and
Associate Corporate Counsel, Federated Investors ("FI").

     Charles L. Davis, Jr. (birthdate: March 23, 1960): Vice President and
Assistant Treasurer; Vice President, FAS.

     Jay S. Neuman (birthdate: April 22, 1950): Secretary; Corporate 
Counsel, FI.

     No person who is an officer or director of Bankers Trust is an officer or
Trustee of the Trust or the Portfolio. No director, officer or employee of BISYS
or any of its affiliates will receive any compensation from the Trust or
Portfolio for serving as an officer or Trustee of the Trust or the Portfolio.

                      PORTFOLIO TRUSTEE COMPENSATION TABLE

     The following table reflects fees paid to the Portfolio Trustees for the
year ended December 31, 1997.

<TABLE>
<CAPTION>
                                                                     AGGREGATE COMPENSATION
         NAME OF                                                            FROM CASH        TOTAL COMPENSATION
    PERSON; POSITION                                                  MANAGEMENT PORTFOLIO*  FROM FUND COMPLEX *
    ----------------                                                  ---------------------  -------------------
<S>                                                                           <C>               <C>    
Charles P. Biggar
Trustee, BT Institutional Funds and Portfolio                                   $641              $27,500

S. Leland Dill
Trustee, Portfolio                                                              $641              $27,500

Philip Saunders, Jr
Trustee, Portfolio                                                              $641              $27,500

</TABLE>



                                      B-18
<PAGE>   19



     As of April 1, 1998, the Portfolio Trustees and Officers owned in the
aggregate less than 1% of the shares of the Portfolio.

                               INVESTMENT ADVISERS

PROFUND ADVISORS LLC

     Under an investment advisory agreement between the ProFunds, other than the
Money Market ProFund, and the Advisor, dated October 28, 1997 and amended
February 18, 1998, each such ProFund pays the Advisor a fee at an annualized
rate, based on its average daily net assets of 0.75%. The Advisor manages the
investment and the reinvestment of the assets of each of the Funds, in
accordance with the investment objectives, policies, and limitations of the
ProFund, subject to the general supervision and control of Trustees and the
officers of ProFunds. The Advisor bears all costs associated with providing
these advisory services. The Advisor, from its own resources, including profits
from advisory fees received from the Funds, provided such Trustees are
legitimate and not excessive, also may make payments to broker-dealers and other
financial institutions for their expenses in connection with the distribution of
ProFunds' shares, and otherwise currently pays all distribution costs for
ProFunds' shares.

     For the fiscal year ended December 31, 1997, the Advisor was entitled to,
and voluntarily waived, advisory fees in the following amounts for each of the
ProFunds:

<TABLE>
<CAPTION>
                                                                            ADVISORY FEES
                                                                            FYE 12/31/97
                                                                  Earned                    Waived
       <S>                                                    <C>                       <C>
         Bull ProFund                                           $    28                   $    28
         UltraBull ProFund                                        1,609                     1,609
         Bear ProFund                                                52                        52
         UltraBear ProFund                                          615                       615
         UltraOTC ProFund                                           751                       751
         Money Market ProFund                                       ---                       ---

</TABLE>

     The UltraShort OTC ProFund had not commenced operations as of December 31,
1997.

BANKERS TRUST

     Under the terms of an investment advisory agreement (the "Advisory
Agreement") between the Portfolio and Bankers Trust, Bankers Trust manages the
Portfolio subject to the supervision and direction of the Board of Trustees of
the Portfolio. Bankers Trust will: (i) act in strict conformity with the
Portfolio's Declaration of Trust, the 1940 Act and the Investment Advisers Act
of 1940, as the same may from time to time be amended; (ii) manage the Portfolio
in accordance with the Portfolio's and/or the Money Market ProFund's investment
objectives, restrictions and policies, as stated herein and in the Prospectus;
(iii) make investment decisions for the Portfolio; and (iv) place purchase and
sale orders for securities and other financial instruments on behalf of the
Portfolio.

     Bankers Trust bears all expenses in connection with the performance of
services under the Advisory Agreement. The Money Market ProFund and the
Portfolio bear certain other expenses incurred in their operation, including:
taxes, interest, brokerage fees and commissions, if any; fees of Trustees of the
Trust or Portfolio who are not officers, directors or employees of Bankers
Trust, the Advisor, the administrator or any of their affiliates; SEC fees and
state Blue Sky qualification fees, if any; administrative and services fees;
certain insurance premiums, outside auditing and legal expenses, and costs of
maintenance of corporate existence; costs attributable to investor services,
including without limitation, telephone and personnel expenses; and printing
prospectuses and statements of additional information for regulatory purposes
and for distribution to existing shareholders; costs of shareholders' reports
and meetings of 




                                      B-19
<PAGE>   20

shareholders, officers and Trustees of the Trust or the Portfolio; and any 
extraordinary expenses.

     For the fiscal years ended December 31, 1997, 1996 and 1995, Bankers Trust
earned $6,544,181, $4,935,288 and $3,847,729, respectively, in compensation for
investment advisory services provided to the Portfolio. During the same periods,
Bankers Trust reimbursed $940,530, $761,230 and $578,251, respectively, to the
Portfolio to cover expenses.

     Bankers Trust may have deposit, loan and other commercial banking
relationships with the issuers of obligations which may be purchased on behalf
of the Portfolio, including outstanding loans to such issuers which could be
repaid in whole or in part with the proceeds of securities so purchased. Such
affiliates deal, trade and invest for their own accounts in such obligations and
are among the leading dealers of various types of such obligations. Bankers
Trust has informed the Portfolio that, in making its investment decisions, it
does not obtain or use material inside information in its possession or in the
possession of any of its affiliates. In making investment recommendations for
the Portfolio, Bankers Trust will not inquire or take into consideration whether
an issuer of securities proposed for purchase or sale by the Portfolio is a
customer of Bankers Trust, its parent or its subsidiaries or affiliates and, in
dealing with its customers, Bankers Trust, its parent, subsidiaries, and
affiliates will not inquire or take into consideration whether securities of
such customers are held by any fund managed by Bankers Trust or any such
affiliate.

      ADMINISTRATION, TRANSFER AGENT, FUND ACCOUNTING AGENT AND CUSTODIAN

     BISYS Fund Services Limited Partnership d/b/a BISYS Fund Services ("BISYS")
acts as Administrator to the ProFunds. The Administrator provides ProFunds with
all required general administrative services, including, without limitation,
office space, equipment, and personnel; clerical and general back office
services; bookkeeping, internal accounting, and secretarial services; the
determination of net asset values; and the preparation and filing of all
reports, registration statements, proxy statements, and all other materials
required to be filed or furnished by ProFunds and the Funds under Federal and
state securities laws. The Administrator also maintains the shareholder account
records for ProFunds, distributes dividends and distributions payable by the
ProFunds, and produces statements with respect to account activity for the
ProFunds and their shareholders. The Administrator pays all fees and expenses
that are directly related to the services provided by the Administrator to
ProFunds; each ProFund reimburses the Administrator for all fees and expenses
incurred by the Administrator which are not directly related to the services the
Administrator provides to the ProFunds under the service agreement.

     For its services as Administrator, each ProFund pays BISYS an annual fee
ranging from 0.15% of average daily net assets of $0 to $300 million to .05% of
average daily net assets of $1 billion and over. BISYS Funds Services, Inc.
("BFSI"), an affiliate of BISYS, acts as transfer agent and fund accounting
agent for the ProFunds, for which it receives additional fees. Additionally,
ProFunds and BISYS and BFSI have entered into an Omnibus Fee Agreement in which
the amount of compensation due and payable to BISYS shall be the greater of (i)
the aggregate fee amount due and payable for services pursuant to the
Administration, Fund Accounting and Transfer Agency Agreements and (ii) the
minimum relationship fee described as specific dollar amounts payable over a
period of ten calendar quarters ($1,100,000). The address for BISYS and BFSI is
3435 Stelzer Road, Suite 1000, Columbus, Ohio 43219.

     For the fiscal year ended December 31, 1997, BISYS, as Administrator, was
entitled to, and voluntarily waived, administration fees in the following
amounts for each of the ProFunds:

<TABLE>
<CAPTION>
                                                                         ADMINISTRATION FEES
                                                                            FYE 12/31/97
                                                                  Earned                    Waived
       <S>                                                     <C>                       <C>
        Bull ProFund                                                $  6                      $  6
        UltraBull ProFund                                            322                       322
        Bear ProFund                                                  10                        10
        UltraBear ProFund                                            123                       123
        UltraOTC Profund                                             150                       150

</TABLE>


                                      B-20
<PAGE>   21


<TABLE>
       <S>                                                     <C>                       <C>
        Money Market ProFund                                         422                       422

</TABLE>

     The UltraShort OTC ProFund had not commenced operations as of December 31,
1997.
     ProFunds Advisors LLC, pursuant to a separate Management Services
Agreement, performs certain client support and other administrative services on
behalf of the ProFunds and feeder fund management and administrative services to
the Money Market ProFund. These services include monitoring the performance of
the underlying investment company in which the Money Market ProFund invests,
coordinating the Money Market ProFund's relationship with that investment
company, and communicating with the Trust's Board of Trustees and shareholders
regarding such entity's performance and the Money Market ProFund's two tier
structure and, in general, assisting the Board of Trustees of the Trust in all
aspects of the administration and operation of the Money Market ProFund. For
these services, the ProFunds will pay to ProFunds Advisors LLC a fee at the
annual rate of .15% of its average daily net assets for all non-money market
ProFunds and .35% of its average daily net assets for the Money Market ProFund.

     For the fiscal year ended December 31, 1997, ProFunds Advisors LLC was
entitled to, and voluntarily waived, management services fees in the following
amounts for each of the ProFunds:

<TABLE>
<CAPTION>
                                                                      MANAGEMENT SERVICES FEES
                                                                            FYE 12/31/97
                                                                  Earned                    Waived
         <S>                                                       <C>                       <C>
         Bull ProFund                                              $  6                      $  6
         UltraBull ProFund                                          322                       322
         Bear ProFund                                                10                        10
         UltraBear ProFund                                          123                       123
         UltraOTC Profund                                           150                       150
         Money Market ProFund                                       984                       984

</TABLE>

     The UltraShort OTC ProFund had not commenced operations as of December 31,
1997.

     Under an Administration and Services Agreement, Bankers Trust is obligated
on a continuous basis to provide such administrative services as the Board of
Trustees of the Portfolio reasonably deems necessary for the proper
administration of the Portfolio. Bankers Trust will generally assist in all
aspects of the Portfolio's operations and will: supply and maintain office
facilities (which may be in Bankers Trust's own offices); statistical and
research data, data processing services, clerical, accounting, bookkeeping and
recordkeeping services (including, without limitation, the maintenance of such
books and records as are required under the 1940 Act and the rules thereunder,
except as maintained by other agents of the Portfolio); internal auditing,
executive and administrative services; and information and supporting data for
reports to and filings with the Commission and various state Blue Sky
authorities; supply supporting documentation for meetings of the Board of
Trustees; provide monitoring reports and assistance regarding compliance with
the Portfolio's Declaration of Trust, by-laws, investment objectives and
policies and with federal and state securities laws; arrange for appropriate
insurance coverage; calculate the net asset value, net income and realized
capital gains or losses of the Portfolio; and negotiate arrangements with, and
supervise and coordinate the activities of, agents and others retained to supply
services. Pursuant to a sub-administration agreement (the "Sub-Administration
Agreement") Federated Securities Company performs sub-administration duties for
the Portfolio as from time to time may be agreed upon by Bankers Trust and
Federated Securities Company. The Sub-Administration Agreement provides that
Federated Securities Company will receive such compensation as from time to time
may be agreed upon by Federated Securities Company and Bankers Trust. All such
compensation will be paid by Bankers Trust.

     For the fiscal years ended December 31, 1997, 1996 and 1995, Bankers Trust
earned compensation of $2,181,394, $1,645,096 and $1,282,576, respectively, for
administrative and other services provided to the Portfolio.


                                      B-21
<PAGE>   22



   
     UMB Bank, N.A. acts as custodian to the non-money market ProFunds. UMB
Bank, N.A.'s address is 928 Grand Avenue, Kansas City, Missouri 64141.
    

                             INDEPENDENT ACCOUNTANTS

     Coopers & Lybrand LLP serves as independent auditors to the ProFunds.
Coopers & Lybrand LLP provides audit services, tax return preparation and
assistance and consultation in connection with certain SEC filings. Coopers &
Lybrand LLP is located at 100 East Broad Street, Columbus, Ohio 43215.

                                  LEGAL COUNSEL

   
     Dechert Price & Rhoads serves as counsel to the ProFunds. The firm's
address is 1775 Eye Street, N.W., Washington, DC 20006-2401.
    

                                   DISTRIBUTOR

     Concord Financial Group, Inc. will serve as the distributor and principal
underwriter in all fifty states and the District of Columbia. Concord Financial
Group, Inc. receives no compensation from the ProFunds for serving as
distributor. Concord Financial Group, Inc.'s address is 3435 Stelzer Road,
Columbus, Ohio 43219.

                            SHAREHOLDER SERVICES PLAN

     Each ProFund has adopted a Shareholder Services Plan (the "Plan") which
provides that each ProFund will make payments equal to 1.00% (on an annual
basis) of the average daily value of the net assets of such ProFund's Adviser
shares attributable to or held in the name of investment advisers and other
authorized institutions that sell Service Shares ("Authorized Firms") for
providing account administration services to their clients who are beneficial
owners of such shares. The Administrator may act as an Authorized Firm. The
Trust will enter into agreements ("Shareholder Services Agreements") with
Authorized Firms that purchase Service Shares on behalf of their clients. The
Shareholder Services Agreements will provide for compensation to the Authorized
Firms in an amount up to 1.00% (on an annual basis) of the average daily net
assets of the Service shares of the applicable ProFund attributable to or held
in the name of the Authorized Firm for its clients.

     The Trustees of the Trust, including a majority of the Trustees who are not
interested persons of the Trust and who have no direct or indirect financial
interest in the operation of the Plan or the related Shareholder Services
Agreements, voted to adopt the Plan and Shareholder Services Agreements at a
meeting called for the purpose of voting on such Plan and Shareholder Services
Agreements on October 28, 1997. The Plan and Shareholder Services Agreements
will remain in effect for a period of one year and will continue in effect
thereafter only if such continuance is specifically approved annually by a vote
of the Trustees in the manner described above. All material amendments of the
Plan must also be approved by the Trustees in the manner described above. The
Plan may be terminated at any time by a majority of the Trustees as described
above or by vote of a majority of the outstanding Service shares of the affected
ProFund. The Shareholder Services Agreements may be terminated at any time,
without payment of any penalty, by vote of a majority of the Trustees as
described above or by a vote of a majority of the outstanding Service Shares of
the affected ProFund on not more than 60 days' written notice to any other party
to the Shareholder Services Agreements. The Shareholder Services Agreements
shall terminate automatically if assigned. The Trustees have determined that, in
their judgment, there is a reasonable likelihood that the Plan will benefit the
ProFunds and holders of Service shares of such ProFunds. In the Trustees'
quarterly review of the Plan and Shareholder Services Agreements, they will
consider their continued appropriateness and the level of compensation provided
therein.

     The intent of the Plan and Shareholder Services Agreements is to procure
quality shareholder services




                                      B-22
<PAGE>   23



on behalf of ProFund shareholders; in adopting the Plan and Shareholder Services
Agreements, the Trustees considered the fact that such shareholder services may
have the effect of enhancing distribution of ProFund Service shares and growth
of the ProFunds. In light of this, the ProFunds intend to observe the procedural
requirements of Rule 12b-1 under the 1940 Act on considering the continued
appropriateness of the Plan and Shareholder Services Agreements.

     For the fiscal year ended December 31, 1997, each ProFund was entitled to,
and voluntarily waived, shareholder services fees in the following amounts:


<TABLE>
<CAPTION>
                                                                      SHAREHOLDER SERVICES FEES
                                                                            FYE 12/31/97
                                                                  Earned                    Waived
       <S>                                                      <C>                       <C>
         Bull ProFund                                              $  0                      $  0
         UltraBull ProFund                                          773                       773
         Bear ProFund                                                 0                         0
         UltraBear ProFund                                            0                         0
         UltraOTC Profund                                           379                       379
         Money Market ProFund                                         0                         0

</TABLE>

     The UltraShort OTC ProFund had not commenced operations as of December 31,
1997.

                               COSTS AND EXPENSES

     Each ProFund bears all expenses of its operations other than those assumed
by the Advisor or the Administrator. ProFund expenses include: the management
fee; the servicing fee (including administrative, transfer agent, and
shareholder servicing fees); custodian and accounting fees and expenses, legal
and auditing fees; securities valuation expenses; fidelity bonds and other
insurance premiums; expenses of preparing and printing prospectuses,
confirmations, proxy statements, and shareholder reports and notices;
registration Trustees and expenses; proxy and annual meeting expenses, if any;
all Federal, state, and local taxes (including, without limitation, stamp,
excise, income, and franchise taxes); organizational costs; and non-interested
Trustees' fees and expenses.

                                 CAPITALIZATION

         As of April 6, 1998, no person owned of record, or to the knowledge of
management beneficially owned five percent or more of the outstanding shares of
the ProFunds or classes except as set forth below:

<TABLE>
<CAPTION>
Money Market ProFund--INVESTOR SHARES                      Total Shares       Percentage

<S>                                                       <C>                   <C>
Stephen P. McCaffrey                                        475,616.260           26.65%
TRST Stephen P. McCaffrey Family Trust
DTD 1/27/93
4934 Via Cinta
San Diego, CA 92122

Steven Starkman and Cathy Starkman JTWROS                    95,567.780            5.35%
504 Windover Circle
Buffalo Grove, IL 60089

Elliot Schildkrout                                          141,010.850            7.90%
TRST Elliot Schildkrout Pension Plan
DTD 5/13/97
45 Monadnock Road
Newton, MA 02167
</TABLE>


                                      B-23
<PAGE>   24

<TABLE>
<S>                                                        <C>                   <C>  
Leonard R. Lumpkin                                           91,607.310            5.13%
624 Quail Drive
Los Angeles, CA 90065

Fifth Third Bank, Custodian                                  90,000.000            5.04%
Patrick J. Harvey IRA
3 Delwood Road
Chester, NJ 07930

Money Market ProFund--SERVICE SHARES                       Total Shares       Percentage

Independent Trust Corp--Cust. Funds 85                      284,730.955           15.46%
15255 S. 94th Ave., Ste. 300
Orland Park, IL 60462

Paul Levine                                                 504,088.170           27.37%
127 Kennard Road
Newberg, ME 04444

Trust Company of America                                    943,283.000          51.22%*
BO DGS
7103 S. Revere Pky
Englewood, CO 80112

*Disclaims beneficial ownership.

Bull ProFund--INVESTOR SHARES

None.

Bull ProFund--SERVICE SHARES                               Total Shares       Percentage

Donaldson Lufkin & Jenrette Securities Corp.                    524.476            6.18%
P.O. Box 2052
Jersey City, NJ 07303

Fifth Third Bank, Custodian                                     895.834           11.64%
John Lindner IRA
W. 998 Mary's Court
Rubicon, WI 53078

Fifth Third Bank, Custodian                                   1,381.274           17.95%
Jacquelynne J. Brisk IRA
W230 56248 Charles Drive
Waukesha, WI 53186

Fifth Third Bank, Custodian                                     768.675            9.99%
Truman J. Seiler III IRA
N49 W20320 Lisbon Road
Menomonee Falls, WI 53051

Fifth Third Bank, Custodian                                     723.670            9.40%
Barbara J. Seiler III IRA
</TABLE>


                                      B-24
<PAGE>   25



<TABLE>
<S>                                                            <C>               <C>   
N49 W20320 Lisbon Road
Menomonee Falls, WI 53051

Fifth Third Bank, Custodian                                     823.454           10.70%
Raynold A. Uecker IRA
W160 N. 9664 Colonial Drive
Germantown, WI 53022

Fifth Third Bank, Custodian                                   1,399.687           18.19%
May Huey Yu Lau IRA
25152 Calle Busca
Lake Forest, CA 92630

Fifth Third Bank, Custodian                                     402.145            5.23%
Jean Siegert IRA
4882 Pine Street
La Mesa, CA 91941

UltraBull ProFund--INVESTOR SHARES                         Total Shares       Percentage

Donaldson Lufkin & Jenrette Securities Corp.                387,448.551          27.12%*
P.O. Box 2052
Jersey City, NJ 07303

First Trust Corporation                                     770,253.531          53.92%*
Attn Datalynx House
P.O. Box 173736
Denver, CO 80217-3736

UltraBull ProFund--SERVICE SHARES                          Total Shares       Percentage

Independent Trust Corp.                                      58,734.818           22.38%
Cust. Funds 85
15255 S. 94th Ave, Ste. 300
Orland Park, IL 60462

Donaldson Lufkin & Jenrette Securities Corporation          199,215.936          75.92%*

*Disclaims beneficial ownership

Bear ProFund--INVESTOR CLASS SHARES                        Total Shares       Percentage

National Capital Group, Inc.                                  2,285.714           64.53%
7900 Wisconsin Ave. Ste. 300
Bethesda, MD 20814

Fifth Third Bank, Custodian                                     911.339           25.73%
Wayne Chu SEP IRA
18186 Chieftain Ct.
San Diego, CA 92127

Marjorie S. Wurman and Andrew L. Wurman JTEROS                  344.037            9.71%
11810 Kiva Dr.
Boynton Beach, FL 33437

</TABLE>


                                      B-25
<PAGE>   26



<TABLE>
Bear ProFund--SERVICE SHARES                               Total Shares       Percentage

<S>                                                           <C>               <C>   
Fifth Third Bank, Custodian                                     336.336           10.53%
Daniel Shui-Yum Tam IRA
12584 Sora Way
San Diego, CA 92129

Fifth Third Bank, Custodian                                     328.895           10.29%
Shirley Tam IRA
12584 Sora Way
San Diego, CA 92129

Fifth Third Bank, Custodian                                     296.210            9.27%
Wayne D. Gruenewald IRA
503 Roselle Ave.
El Cajon, CA 92021

Fifth Third Bank, Custodian                                   1,734.428           54.28%
May Huey Yu Lau IRA
25152 Calle Busca
Lake Forest, CA 92630

Fifth Third Bank, Custodian                                     498.320           15.60%
Jean Siegert IRA
4882 Pine Street
Le Mesa, CA 91941

UltraBear ProFund--INVESTOR SHARES                         Total Shares       Percentage

Donaldson Lufkin & Jenrette Securities Corp.                  6,362.242            9.92%
P.O. Box 2052
Jersey City, NJ 07303

Clayton A. Cardinal and Joan Cardinal JTWROS                 12,978.135           20.23%
48 Millstone Ct.
Langhorne, PA 19047-1538

Spring Creek Limited Partnership                             12,376.239           19.29%
c/o Elliot Mchildkrout
45 Monadnock Road
Chestnut Hill, MA 02167

Fifth Third Bank, Custodian                                   3,627.570            5.65%
Betty J. Hartley IRA
P.O. Box 1020
Mesquite, NV 89024

Betty J. Hartley                                              4,279.710            6.67%
P.O. Box 1020
Mesquite, NV 89024

Orion Partners I -- Bellatrix                                 6,206.339            9.67%
P.O. Box 1437
</TABLE>




                                      B-26
<PAGE>   27


<TABLE>
<S>                                                         <C>                 <C>   
Mesquite, NV 89024

Orion Partners I -- Melissa                                   6,723.305           10.48%
P.O. Box 1437
Mesquite, NV 89024

Fifth Third Bank, Custodian                                   6,514.258           10.15%
Thomas A. Loss SEP IRA
1330 Josephine Street
Berkeley, CA 94703

UltraBear ProFund--SERVICE SHARES                          Total Shares       Percentage

Donaldson Lufkin & Jenrette Securities Corp.                  6,581.950          60.70%*
P.O. Box 2052
Jersey City, NJ 07303

Carlos Flores and Maria L. Flores JTWROS                      4,260.324           39.29%
P.O. Box 1363
Mesquite, NV 89024

UltraOTC ProFund--INVESTOR SHARES                          Total Shares       Percentage

Donaldson Lufkin & Jenrette Securities Corp.                573,848.421           57.46%
P.O. Box 2052
Jersey City, NJ 07303

First Trust Corporation                                     179,298.246           17.95%
Attn:  Datalynx House
P.O. Box 173736
Denver, CO 80217-3736

*Disclaims beneficial ownership.

UltraOTC ProFund--SERVICE SHARES                           Total Shares       Percentage

Independent Trust Corp.                                      29,008.741            5.63%
Cust Funds 85
15255 S. 94th Ave., Ste 300

Donaldson Lufkin & Jenrette Securities Corp.                100,434.162           19.49%
P.O. Box 2052
Jersey City, NJ 07303

Ernst & Co.                                                 186,504.379           36.19%
Attn:  Mutual Funds Dept.
1 Battery Park Place
New York, NY 10004

Fifth Third Bank, Custodian                                  36,816.008            7.14%
James N. Brannan IRA
4781 West 212th Street
Fairview Park, OH 44126

</TABLE>

     Any shareholder beneficially owning or having discretionary voting
authority over more than 25% of a ProFund may be deemed to control the outcome
of any matter submitted for a vote of the shareholders of such ProFund.



                                      B-27
<PAGE>   28



                                    TAXATION

   
     Set forth below is a discussion of certain U.S. federal income tax issues
concerning the ProFunds and the purchase, ownership, and disposition of ProFund
shares. This discussion does not purport to be complete or to deal with all
aspects of federal income taxation that may be relevant to shareholders in light
of their particular circumstances, nor to certain types of shareholders subject
to special treatment under the federal income tax laws (for example, banks and
life insurance companies). This discussion is based upon present provisions of
the Internal Revenue Code of 1986, as amended (the "Code"), the regulations
promulgated thereunder, and judicial and administrative ruling authorities, all
of which are subject to change, which change may be retroactive. Prospective
investors should consult their own tax advisors with regard to the federal tax
consequences of the purchase, ownership, or disposition of ProFund shares, as
well as the tax consequences arising under the laws of any state, foreign
country, or other taxing jurisdiction.

     Each ProFund intends to be taxed as a regulated investment company under
Subchapter M of the Code. Accordingly, each ProFund generally must, among other
things, (a) derive in each taxable year at least 90% of its gross income from
dividends, interest, payments with respect to certain securities loans, and
gains from the sale or other disposition of stock, securities or foreign
currencies, or other income derived with respect to its business of investing in
such stock, securities or currencies; and (b) diversify its holdings so that, at
the end of each fiscal quarter, (i) at least 50% of the market value of the
ProFund's assets is represented by cash, U.S. government securities, the
securities of other regulated investment companies and other securities, with
such other securities limited, in respect of any one issuer, to an amount not
greater than 5% of the value of the ProFund's total assets and 10% of the
outstanding voting securities of such issuer, and (ii) not more than 25% of the
value of its total assets is invested in the securities of any one issuer (other
than U.S. government securities and the securities of other regulated investment
companies).
    

     As a regulated investment company, a ProFund generally will not be subject
to U.S. federal income tax on income and gains that it distributes to
shareholders, if at least 90% of the ProFund's investment company taxable income
(which includes, among other items, dividends, interest and the excess of any
net short-term capital gains over net long-term capital losses) for the taxable
year is distributed. Each ProFund intends to distribute substantially all of
such income.

     Amounts not distributed on a timely basis in accordance with a calendar
year distribution requirement are subject to a nondeductible 4% excise tax at
the ProFund level. To avoid the tax, each ProFund must distribute during each
calendar year an amount equal to the sum of (1) at least 98% of its ordinary
income (not taking into account any capital gains or losses) for the calendar
year, (2) at least 98% of its capital gains in excess of its capital losses
(adjusted for certain ordinary losses) for a one-year period generally ending on
October 31 of the calendar year, and (3) all ordinary income and capital gains
for previous years that were not distributed during such years. To avoid
application of the excise tax, the ProFunds intend to make distributions in
accordance with the calendar year distribution requirement. A distribution will
be treated as paid on December 31 of a calendar year if it is declared by the
ProFund in October, November or December of that year with a record date in such
a month and paid by the ProFund during January of the following year. Such
distributions will be taxable to shareholders in the calendar year in which the
distributions are declared, rather than the calendar year in which the
distributions are received.

                                 MARKET DISCOUNT

   
     If a ProFund purchases a debt security at a price lower than the stated
redemption price of such debt security, the excess of the stated redemption
price over the purchase price is "market discount". If the
    




                                      B-28
<PAGE>   29



amount of market discount is more than a de minimis amount, a portion of such
market discount must be included as ordinary income (not capital gain) by the
ProFund in each taxable year in which the ProFund owns an interest in such debt
security and receives a principal payment on it. In particular, the ProFund will
be required to allocate that principal payment first to the portion of the
market discount on the debt security that has accrued but has not previously
been includable in income. In general, the amount of market discount that must
be included for each period is equal to the lesser of (i) the amount of market
discount accruing during such period (plus any accrued market discount for prior
periods not previously taken into account) or (ii) the amount of the principal
payment with respect to such period. Generally, market discount accrues on a
daily basis for each day the debt security is held by a ProFund at a constant
rate over the time remaining to the debt security's maturity or, at the election
of the ProFund, at a constant yield to maturity which takes into account the
semi-annual compounding of interest. Gain realized on the disposition of a
market discount obligation must be recognized as ordinary interest income (not
capital gain) to the extent of the "accrued market discount."

                             ORIGINAL ISSUE DISCOUNT

     Certain debt securities acquired by the ProFunds may be treated as debt
securities that were originally issued at a discount. Original issue discount
can generally be defined as the difference between the price at which a security
was issued and its stated redemption price at maturity. Although no cash income
is actually received by a ProFund, original issue discount that accrues on a
debt security in a given year generally is treated for federal income tax
purposes as interest and, therefore, such income would be subject to the
distribution requirements applicable to regulated investment companies.

     Some debt securities may be purchased by the ProFunds at a discount that
exceeds the original issue discount on such debt securities, if any. This
additional discount represents market discount for federal income tax purposes
(see above).

             OPTIONS, FUTURES AND FOREIGN CURRENCY FORWARD CONTRACTS

   
     Any regulated futures contracts and certain options (namely, nonequity
options and dealer equity options) in which a ProFund may invest may be "section
1256 contracts." Gains (or losses) on these contracts generally are considered
to be 60% long-term and 40% short-term capital gains or losses; however foreign
currency gains or losses arising from certain section 1256 contracts are
ordinary in character. Also, section 1256 contracts held by a ProFund at the end
of each taxable year (and on certain other dates prescribed in the Code) are
"marked to market" with the result that unrealized gains or losses are treated
as though they were realized.
    

     Transactions in options, futures and forward contracts undertaken by the
ProFunds may result in "straddles" for federal income tax purposes. The straddle
rules may affect the character of gains (or losses) realized by a ProFund, and
losses realized by the ProFund on positions that are part of a straddle may be
deferred under the straddle rules, rather than being taken into account in
calculating the taxable income for the taxable year in which the losses are
realized. In addition, certain carrying charges (including interest expense)
associated with positions in a straddle may be required to be capitalized rather
than deducted currently. Certain elections that a ProFund may make with respect
to its straddle positions may also affect the amount, character and timing of
the recognition of gains or losses from the affected positions.

     Because only a few regulations implementing the straddle rules have been
promulgated, the consequences of such transactions to the ProFunds are not
entirely clear. The straddle rules may increase the amount of short-term capital
gain realized by a ProFund, which is taxed as ordinary income when distributed
to shareholders. Because application of the straddle rules may affect the
character of gains or losses, defer losses and/or accelerate the recognition of
gains or losses from the affected straddle positions, the amount which must be
distributed to shareholders as ordinary income or long-term capital gain may be
increased or decreased substantially as compared to a fund that did not engage
in such transactions.


                                      B-29
<PAGE>   30



                               CONSTRUCTIVE SALES

     Recently enacted rules may affect the timing and character of gain if a
ProFund engages in transactions that reduce or eliminate its risk of loss with
respect to appreciated financial positions. If the ProFund enters into certain
transactions in property while holding substantially identical property, the
ProFund would be treated as if it had sold and immediately repurchased the
property and would be taxed on any gain (but not loss) from the constructive
sale. The character of gain from a constructive sale would depend upon the
ProFund's holding period in the property. Loss from a constructive sale would be
recognized when the property was subsequently disposed of, and its character
would depend on the ProFund's holding period and the application of various loss
deferral provisions of the Code.

                      PASSIVE FOREIGN INVESTMENT COMPANIES

     The ProFund may invest in shares of foreign corporations that may be
classified under the Code as passive foreign investment companies ("PFICs"). In
general, a foreign corporation is classified as a PFIC if at least one-half of
its assets constitute investment-type assets, or 75% or more of its gross income
is investment-type income. If a ProFund receives a so-called "excess
distribution" with respect to PFIC stock, the ProFund itself may be subject to a
tax on a portion of the excess distribution, whether or not the corresponding
income is distributed by the ProFund to shareholders. In general, under the PFIC
rules, an excess distribution is treated as having been realized ratably over
the period during which the ProFund held the PFIC shares. Each ProFund will
itself be subject to tax on the portion, if any, of an excess distribution that
is so allocated to prior ProFund taxable years and an interest factor will be
added to the tax, as if the tax had been payable in such prior taxable years.
Certain distributions from a PFIC as well as gain from the sale of PFIC shares
are treated as excess distributions. Excess distributions are characterized as
ordinary income even though, absent application of the PFIC rules, certain
excess distributions might have been classified as capital gains.

   
     The ProFund may be eligible to elect alternative tax treatment with respect
to PFIC shares. Under an election that currently is available in some
circumstances, a ProFund generally would be required to include in its gross
income its share of the earnings of a PFIC on a current basis, regardless of
whether distributions were received from the PFIC in a given year. If this
election were made, the special rules, discussed above, relating to the taxation
of excess distributions, would not apply. In addition, another election would
involve marking to market the ProFund's PFIC shares at the end of each taxable
year, with the result that unrealized gains would be treated as though they were
realized and reported as ordinary income. Any mark-to-market losses and any loss
from an actual disposition of PFIC shares would be deductible as ordinary losses
to the extent of any net mark-to-market gains included in income in prior years.
    

                                  DISTRIBUTIONS

   
     Distributions of investment company taxable income are taxable to a U.S.
shareholder as ordinary income, whether paid in cash or shares. Dividends paid
by a ProFund to a corporate shareholder, to the extent such dividends are
attributable to dividends received from U.S. corporations by the ProFund, may
qualify for the dividends received deduction. However, the revised alternative
minimum tax applicable to corporations may deduct the value of the dividends
received deduction. Distributions of net capital gains (the excess of net
long-term capital gains over net short-term capital losses), if any, designated
by the ProFund as capital gain dividends, whether paid in cash or in shares, are
generally taxable as to shareholders as either "20% Rate Gain" of "28% Rate
Gain," depending upon the Profund's holding period for the assets sold. "20%
Rate Gains" arise from sales of assets held by the ProFund for more than 18
months and are subject to a maximum tax rate of 20%; "28% Rate Gains" arise from
sales of assets held by the ProFund for more than one year but not more than 18
months and are subject to a maximum tax rate of 28%. Net capital gains from
assets held for one year or less will be taxed as ordinary income. Distributions
will be subject to these capital gains rates regardless of how long the
shareholder has held the ProFund's shares. Capital gains dividends are not
eligible for the dividends received deduction.
    

     Shareholders will be notified annually as to the U.S. federal tax status of
distributions, and shareholders receiving distributions in the form of newly
issued shares will receive a report as to the net 




                                      B-30
<PAGE>   31



asset value of the shares received.

     If the net asset value of shares is reduced below a shareholder's cost as a
result of a distribution by a ProFund, such distribution generally will be
taxable even though it represents a return of invested capital. Investors should
be careful to consider the tax implications of buying shares of a ProFund just
prior to a distribution. The price of shares purchased at this time will include
the amount of the forthcoming distribution, but the distribution will generally
be taxable.

                              DISPOSITION OF SHARES

   
     Upon a redemption, sale or exchange of shares of a ProFund, a shareholder
will realize a taxable gain or loss depending upon his or her basis in the
shares. A gain or loss will be treated as capital gain or loss if the shares are
capital assets in the shareholder's hands and the rate of tax will depend upon
the shareholder's holding period for the shares. Any loss realized on a
redemption, sale or exchange will be disallowed to the extent the shares
disposed of are replaced (including through reinvestment of dividends) within a
period of 61 days, beginning 30 days before and ending 30 days after the shares
are disposed of. In such a case the basis of the shares acquired will be
adjusted to reflect the disallowed loss. Any loss realized by a shareholder on
the disposition of a ProFund's shares held by the shareholder for six months or
less will be treated for tax purposes as a long-term capital loss to the extent
of any distributions of capital gain dividends received or treated as having
been received by the shareholder with respect to such shares.
    

                               BACKUP WITHHOLDING

     Each ProFund generally will be required to withhold federal income tax at a
rate of 31% ("backup withholding") from dividends paid, capital gain
distributions, and redemption proceeds to shareholders if (1) the shareholder
fails to furnish the ProFund with the shareholder's correct taxpayer
identification number or social security number, (2) the IRS notifies the
shareholder or the ProFund that the shareholder has failed to report properly
certain interest and dividend income to the IRS and to respond to notices to
that effect, or (3) when required to do so, the shareholder fails to certify
that he or she is not subject to backup withholding. Any amounts withheld may be
credited against the shareholder's federal income tax liability.

                                 OTHER TAXATION

     Distributions may be subject to additional state, local and foreign taxes,
depending on each shareholder's particular situation. Non-U.S. shareholders and
certain types of U.S. shareholders subject to special treatment under the U.S.
federal income tax laws (e.g. banks and life insurance companies) may be subject
to U.S. tax rules that differ significantly from those summarized above.

                             EQUALIZATION ACCOUNTING

     Each ProFund distributes its net investment income and capital gains to
shareholders as dividends annually to the extent required to qualify as a
regulated investment company under the Code and generally to avoid federal
income or excise tax. Under current law, each ProFund may on its tax return
treat as a distribution of investment company taxable income and net capital
gain the portion of redemption proceeds paid to redeeming shareholders that
represents the redeeming shareholders' portion of the ProFund's undistributed
investment company taxable income and net capital gain. This practice, which
involves the use of equalization accounting, will have the effect of reducing
the amount of income and gains that the ProFund is required to distribute as
dividends to shareholders in order for the ProFund to avoid federal income tax
and excise tax. This practice may also reduce the amount of distributions
required to be made to nonredeeming shareholders and the amount of any
undistributed income will be reflected in the value of the ProFund's shares; the
total return on a shareholder's investment will not be reduced as a result of
the ProFund's distribution policy. Investors who purchase shares shortly before
the record date of a distribution will pay the full price for the shares and
then receive some portion of the price back as a



                                      B-31
<PAGE>   32
taxable distribution.


                             PERFORMANCE INFORMATION

TOTAL RETURN CALCULATIONS

     From time to time, each of the non-money market ProFunds may advertise the
total return of the ProFund for prior periods. Any such advertisement would
include at least average annual total return quotations for one, five, and
ten-year periods, or for the life of the ProFund. Other total return quotations,
aggregate or average, over other time periods for the ProFund also may be
included.

     The total return of a ProFund for a particular period represents the
increase (or decrease) in the value of a hypothetical investment in the ProFund
from the beginning to the end of the period. Total return is calculated by
subtracting the value of the initial investment from the ending value and
showing the difference as a percentage of the initial investment; this
calculation assumes that the initial investment is made at the current net asset
value and that all income dividends or capital gains distributions during the
period are reinvested in shares of the ProFund at net asset value. Total return
is based on historical earnings and asset value fluctuations and is not intended
to indicate future performance. No adjustments are made to reflect any income
taxes payable by shareholders on dividends and distributions paid by the
ProFund.

     Average annual total return quotations for periods of two or more years are
computed by finding the average annual compounded rate of return over the period
that would equal the initial amount invested to the ending redeemable value.

     The aggregate return for each operational ProFund for the period ended 
December 31, 1997, since inception was as follows:

<TABLE>
<CAPTION>
                                                                  INVESTOR SHARES
                                                       Inception Date        Aggregate Return
<S>                                                     <C>                    <C>
Bull ProFund                                              12/02/97                -1.10%
UltraBull ProFund                                         11/28/97                 2.90%
Bear ProFund                                              12/31/97                 0.00%
UltraBear ProFund                                         12/23/97                 3.60%
UltraOTC ProFund                                          12/02/97               -16.40%
Money Market ProFund                                      11/17/97                 0.61%

                                                                  SERVICE SHARES
                                                       Inception Date        Aggregate Return
Bull ProFund                                              12/02/97                -1.10%
UltraBull ProFund                                         11/28/97                 2.90%
Bear ProFund                                              12/31/97                 0.00%
UltraBear ProFund                                         12/23/97                 3.50%
UltraOTC ProFund                                          12/02/97               -16.40%
Money Market ProFund                                      11/17/97                 0.21%

</TABLE>

     This performance data represents past performance and is not an indication
of future results.


YIELD CALCULATIONS

     From time to time, the Money Market ProFund advertises its "yield" and
"effective yield." Both yield figures are based on historical earnings and are
not intended to indicate future performance. The "yield" of the Money Market
ProFund refers to the income generated by an investment in the Money Market
ProFund over a seven-day period (which period will be stated in the
advertisement). This income is then




                                      B-32
<PAGE>   33



"annualized." That is, the amount of income generated by the investment during
that week is assumed to be generated each week over a 52-week period and is
shown as a percentage of the investment. The "effective yield" is calculated
similarly, but, when annualized, the income earned by an investment in the Money
Market ProFund is assumed to be reinvested. The "effective yield" will be
slightly higher than the "yield" because of the compounding effect of this
assumed reinvestment.

     Since yield fluctuates, yield data cannot necessarily be used to compare an
investment in the Money Market ProFund's shares with bank deposits, savings
accounts, and similar investment alternatives which often provide an agreed or
guaranteed fixed yield for a stated period of time. Shareholders of the Money
Market ProFund should remember that yield generally is a function of the kind
and quality of the instrument held in portfolio, portfolio maturity, operating
expenses, and market conditions.

         For the seven-day period ended December 31, 1997, the seven-day
effective yield for the Investor Shares and Service Shares of the Money Market
ProFund was 4.86% and 3.84%, respectively.

COMPARISONS OF INVESTMENT PERFORMANCE

     In conjunction with performance reports, promotional literature, and/or
analyses of shareholder service for a ProFund, comparisons of the performance
information of the ProFund for a given period to the performance of recognized,
unmanaged indexes for the same period may be made. Such indexes include, but are
not limited to, ones provided by Dow Jones & Company, Standard & Poor's
Corporation, Lipper Analytical Services, Inc., Shearson Lehman Brothers, the
National Association of Securities Dealers, Inc., The Frank Russell Company,
Value Line Investment Survey, the American Stock Exchange, the Philadelphia
Stock Exchange, Morgan Stanley Capital International, Wilshire Associates, the
Financial Times-Stock Exchange, and the Nikkei Stock Average and Deutcher
Aktienindex, all of which are unmanaged market indicators. Such comparisons can
be a useful measure of the quality of a ProFund's investment performance. In
particular, performance information for the Bull ProFund, the UltraBull ProFund,
the Bear ProFund and the UltraBear ProFund may be compared to various unmanaged
indexes, including, but not limited to, the S&P 500 Index or the Dow Jones
Industrial Average; performance information for the UltraOTC ProFund may be
compared to various unmanaged indexes, including, but not limited to its current
benchmark, the NASDAQ 100 Index.

     In addition, rankings, ratings, and comparisons of investment performance
and/or assessments of the quality of shareholder service appearing in
publications such as Money, Forbes, Kiplinger's Magazine, Personal Investor,
Morningstar, Inc., and similar sources which utilize information compiled (i)
internally, (ii) by Lipper Analytical Services, Inc. ("Lipper"), or (iii) by
other recognized analytical services, may be used in sales literature. The total
return of each ProFund (other than the Money Market ProFund) also may be
compared to the performances of broad groups of comparable mutual funds with
similar investment goals, as such performance is tracked and published by such
independent organizations as Lipper and CDA Investment Technologies, Inc., among
others. The Lipper ranking and comparison, which may be used by the ProFunds in
performance reports, will be drawn from the "Capital Appreciation ProFunds"
grouping for the Bull ProFund, the UltraBull ProFund, the Bear ProFund and the
UltraBear ProFund and from the "Small Company Growth ProFunds" grouping for the
UltraOTC ProFund. In addition, the broad-based Lipper groupings may be used for
comparison to any of the ProFunds.

     Further information about the performance of the ProFunds will be contained
in the ProFunds' annual reports to shareholders, which may be obtained without
charge by writing to the ProFunds at the address or telephoning the ProFunds at
telephone number set forth on the cover page of this Prospectus.

RATING SERVICES

     The ratings of Moody's Investors Service, Inc. and Standard & Poor's
Ratings Group represent their opinions as to the quality of the securities that
they undertake to rate. It should be emphasized, however, that ratings are
relative and subjective and are not absolute standards of quality. Although
these ratings are an initial criterion for selection of portfolio investments,
Bankers Trust also makes its own evaluation of




                                      B-33
<PAGE>   34



these securities, subject to review by the Board of Trustees. After purchase by
the Portfolio, an obligation may cease to be rated or its rating may be reduced
below the minimum required for purchase by the Portfolio. Neither event would
require the Portfolio to eliminate the obligation from its portfolio, but
Bankers Trust will consider such an event in its determination of whether the
Portfolio should continue to hold the obligation. A description of the ratings
used herein and in the Prospectus is set forth in the Appendix to this SAI.

FINANCIAL STATEMENTS

     The Report of Independent Accountants and Financial Statements of the
ProFunds for the fiscal year ended December 31, 1997 are incorporated herein by
reference to the Trust's Annual Report, such Financial Statements having been
audited by Coopers & Lybrand LLP, independent accountants, and are so included 
and incorporated by reference in reliance upon the report of said firm, which 
report is given upon their authority as experts in auditing and accounting. 
Copies of such Annual Report are available without charge upon request by 
writing to ProFunds, 3435 Stelzer Road, Columbus, Ohio 43219-8006 or 
telephoning (888) 776-3637.

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



                                      B-34
<PAGE>   35



                                    APPENDIX

                        DESCRIPTION OF SECURITIES RATINGS

DESCRIPTION OF S&P'S CORPORATE RATINGS:

     AAA-Bonds rated AAA have the highest rating assigned by S&P to a debt
obligation. Capacity to pay interest and repay principal is extremely strong.

     AA-Bonds rated AA have a very strong capacity to pay interest and repay
principal and differ from the highest rated issuers only in small degree.

     S&P's letter ratings may be modified by the addition of a plus or a minus
sign, which is used to show relative standing within the major categories,
except in the AAA rating category.

DESCRIPTION OF MOODY'S CORPORATE BOND RATINGS:

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

     Aa-Bonds which are rated Aa are judged to be of high quality by all
standards. Together with the Aaa group they comprise what are generally known as
high grade bonds. They are rated lower than the best bonds because margins of
protection may not be as large as in Aaa securities or fluctuation of protective
elements may be of greater amplitude or there may be other elements present
which make the long-term risks appear somewhat larger than in Aaa securities.

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

DESCRIPTION OF FITCH INVESTORS SERVICE'S CORPORATE BOND RATINGS:

     AAA-Securities of this rating are regarded as strictly high-grade, broadly
marketable, suitable for investment by trustees and fiduciary institutions, and
liable to but slight market fluctuation other than through changes in the money
rate. The factor last named is of importance varying with the length of
maturity. Such securities are mainly senior issues of strong companies, and are
most numerous in the railway and public utility fields, though some industrial
obligations have this rating. The prime feature of an AAA rating is showing of
earnings several times or many times interest requirements with such stability
of applicable earnings that safety is beyond reasonable question whatever
changes occur in conditions. Other features may enter in, such as a wide margin
of protection through collateral security or direct lien on specific property as
in the case of high class equipment certificates or bonds that are first
mortgages on valuable real estate. Sinking funds or voluntary reduction of the
debt by call or purchase are often factors, while guarantee or assumption by
parties other than the original debtor may also influence the rating.

     AA-Securities in this group are of safety virtually beyond question, and as
a class are readily salable while many are highly active. Their merits are not
greatly unlike those of the AAA class, but a security so rated may be of junior
though strong lien in many cases directly following an AAA security or the
margin of safety is less strikingly broad. The issue may be the obligation of a
small company, strongly secure but influenced as the ratings by the lesser
financial power of the enterprise and more local type of market.
Description of Duff & Phelps' corporate bond ratings:


                                      B-35
<PAGE>   36



     AAA-Highest credit quality. The risk factors are negligible, being only
slightly more than for risk-free U.S. Treasury Funds.

     AA+, AA,-High credit quality. Protection factors are strong. Risk is modest
but may vary slightly from time to time because of economic conditions.

DESCRIPTION OF S&P'S MUNICIPAL BOND RATINGS:

     AAA-Prime-These are obligations of the highest quality. They have the
strongest capacity for timely payment of debt service.

     General Obligation Bonds-In a period of economic stress, the issuers will
suffer the smallest declines in income and will be least susceptible to
autonomous decline. Debt burden is moderate. A strong revenue structure appears
more than adequate to meet future expenditure requirements. Quality of
management appears superior.

     Revenue Bonds-Debt service coverage has been, and is expected to remain,
substantial; stability of the pledged revenues is also exceptionally strong due
to the competitive position of the municipal enterprise or to the nature of the
revenues. Basic security provisions (including rate covenant, earnings test for
issuance of additional bonds and debt service reserve requirements) are
rigorous. There is evidence of superior management.

     AA-High Grade-The investment characteristics of bonds in this group are
only slightly less marked than those of the prime quality issues. Bonds rated AA
have the second strongest capacity for payment of debt service.

     S&P's letter ratings may be modified by the addition of a plus or a minus
sign, which is used to show relative standing within the major rating
categories, except in the AAA rating category.

DESCRIPTION OF MOODY'S MUNICIPAL BOND RATINGS:

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

     Aa-Bonds which are rated Aa judged to be of high quality by all standards.
Together with the Aaa group they comprise what are generally known as high grade
bonds. They are rated lower than the best bonds because margins of protection
may not be as large as in Aaa securities, or fluctuation of protective elements
may be of greater amplitude, or there may be other elements present which make
the long-term risks appear somewhat larger than in Aaa securities.

     Moody's may apply the numerical modifier in each generic rating
classification from Aa through B. The modifier 1 indicates that the security
within its generic rating classification possesses the strongest investment
attributes.

DESCRIPTION OF S&P'S MUNICIPAL NOTE RATINGS:

     Municipal notes with maturities of three years or less are usually given
note ratings (designated SP-1 or SP-2) to distinguish more clearly the credit
quality of notes as compared to bonds. Notes rated SP-1 have a very strong or
strong capacity to pay principal and interest. Those issues determined to
possess overwhelming safety characteristics are given the designation of SP-1+.
Notes rated SP-2 have a satisfactory capacity to pay principal and interest.

DESCRIPTION OF MOODY'S MUNICIPAL NOTE RATINGS:


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     Moody's ratings for state and municipal notes and other short-term loans
are designated Moody's Investment Grade (MIG) and for variable rate demand
obligations are designated Variable Moody's Investment Grade (VMIG). This
distinction recognizes the differences between short-term credit risk and
long-term risk. Loans bearing the designation MIG-1/VMIG-1 are of the best
quality, enjoying strong protection from established cash flows of funds for
their servicing or from established and broad-based access to the market for
refinancing, or both. Loans the designation MIG-2/VIMG-2 are of high quality,
with ample margins of protection, although not as large as the preceding group.

DESCRIPTION OF S&P COMMERCIAL PAPER RATINGS:

     Commercial paper rated A-1 by S&P indicates that the degree of safety
regarding timely payment is either overwhelming or very strong. Those issues
determined to posses overwhelming safety characteristics are denoted A-1+.

DESCRIPTION OF MOODY'S COMMERCIAL PAPER RATINGS:

     The rating Prime-1 is the highest commercial paper rating assigned by
Moody's. Issuers rated Prime-1 (or related supporting institutions) are
considered to have a superior capacity for repayment of short-term promissory
obligations.

DESCRIPTION OF FITCH INVESTORS SERVICE'S COMMERCIAL PAPER RATINGS:

     F-1+-Exceptionally Strong Credit Quality. Issues assigned this rating are
regarded as having the strongest degree of assurance for timely payment.

     F-1-Very Strong Credit Quality. Issues assigned this rating reflect an
assurance of timely payment only slightly less in degree than the strongest
issue.

DESCRIPTION OF DUFF & PHELPS' COMMERCIAL PAPER RATINGS:

     Duff 1+-Highest certainly of timely payment. Short term liquidity,
including internal operating factors and/or access to alternative sources of
funds, is outstanding, and safety is just below risk free U.S. Treasury short
term obligations.

     Duff 1-Very high certainty of timely +.

DESCRIPTION OF MOODY'S COMMERCIAL PAPER RATINGS:

     The rating Prime-1 is the highest commercial paper rating assigned by
Moody's. Issuers rated Prime-1 (or relating supporting institutions) are
considered to have a superior capacity for repayment of short-term promissory
obligations.

DESCRIPTION OF FITCH INVESTORS SERVICE'S COMMERCIAL PAPER RATINGS:

     F-1+-Exceptionally Strong Credit Quality. Issues assigned this rating are
regarded as having the strongest degree of assurance for timely payment risk.
Capacity for timely repayment of principal and interest is substantial. Adverse
changes in business economic or financial conditions may increase investment
risk albeit not very significantly.

     A-Obligations for which there is a low expectation of investment risk.
Capacity for timely repayment of principal and interest is strong, although
adverse changes in business, economic or financial conditions may lead to
increased investment risk.

     BBB-Capacity for timely repayment of principal and interest is adequate,
although adverse changes in business, economic or financial conditions are more
likely to lead to increased investment risk than for obligations in higher
categories.


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     BB-Obligations for which there is a possibility of investment risk
developing. Capacity for timely repayment of principal and interest exists, but
is susceptible over time to adverse changes in business, economic or financial
conditions.

     B-Obligations for which investment risk exists. Timely repayment of
principal and interest is not sufficiently protected against adverse changes in
business, economic or financial conditions.

     CCC-Obligations for which there is a current perceived possibility of
default. Timely repayment of principal and interest is dependent on favorable
business, economic or financial conditions.

     CC-Obligations which are highly speculative or which have a high risk of
default.

     C-Obligations which are currently in default.

     Notes: "+" or "-".

DESCRIPTION OF MOODY'S COMMERCIAL PAPER RATINGS:

     The rating Prime-1 is the highest commercial paper rating assigned by
Moody's. Issuers rated Prime-1 (or related supporting institutions) are
considered to have a superior capacity for repayment of short-term promissory
obligations.

DESCRIPTION OF FITCH INVESTORS SERVICE'S COMMERCIAL PAPER RATINGS:

     F-1+-Exceptionally Strong Credit Quality. Issues assigned this rating are
regarded as having the strongest degree of assurance for timely business,
economic or financial conditions.

     A3-Obligations supported by an adequate capacity for timely repayment. Such
capacity is more susceptible to adverse changes in business, economic or
financial conditions than for obligations in higher categories.

     B-Obligations for which the capacity for timely repayment is susceptible to
adverse changes in business, economic or financial conditions.

     C-Obligations for which there is an inadequate capacity to ensure timely
repayment.

     D-Obligations which have a high risk of default or which are currently in
default.

DESCRIPTION OF THOMSON BANK WATCH SHORT-TERM RATINGS:

     TBW-1-The highest category; indicates a very high likelihood that principal
and interest will be paid on a timely basis.

     TBW-2-The second-highest category; while the degree of safety regarding
timely repayment of principal and interest is strong, the relative degree of
safety is not as high as of issues rated "TBW-1".

     TWB-3-The lowest investment-grade category; indicates that while the
obligation is more susceptible to adverse developments (both internal and
external) than those with higher ratings, the capacity to service principal and
interest in a timely fashion is considered adequate.

     TWB-4-The lowest rating category; this rating is regarded as non-investment
grade and therefore speculative.


DESCRIPTION OF THOMSON BANKWATCH LONG-TERM RATINGS:


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     AAA-The highest category; indicates that the ability to repay principal and
interest on a timely basis is extremely high.

     AA-The second -highest category; indicates a very strong ability to repay
principal and interest on a timely basis, with limited incremental risk compared
to issues rated in the highs category.

     A-The third-highest category; indicates the ability to repay principal and
interest is strong. Issues rated "A" could be more vulnerable to adverse
developments (both internal and external) than obligations with higher ratings.

     BBB-The lowest investment-grade category; indicates an acceptable capacity
to repay principal and interest. Issues rated "BBB" are, however, more
vulnerable to adverse developments (both internal and external) than obligations
with higher ratings.

NON-INVESTMENT GRADE (ISSUES REGARDED AS HAVING SPECULATIVE CHARACTERISTICS IN
THE LIKELIHOOD OF TIMELY REPAYMENT OF PRINCIPAL AND INTEREST.)

     BB-While not investment grade, the "BB" rating suggests that the likelihood
of default is considerably less than for lower-rated issues. However, there are
significant uncertainties that could affect the ability to adequately service
debt obligations.

     B-Issues rated "B" show a higher degree of uncertainty and therefore
greater likelihood of default than higher-rated issues. Adverse development
could well negatively affect the payment of interest and principal on a timely
basis.

     CCC-Issues rate "CCC" clearly have a high likelihood of default, with
little capacity to address further adverse changes in financial circumstances.

     CC-"CC" is applied to issues that are subordinate to other obligations
rated "CCC" and are afforded less protection in the event of bankruptcy or
reorganization.

     D-Default

     These long-term debt ratings can also be applied to local currency debt. In
such cases the ratings defined above will be preceded by the designation "local
currency".

RATING IN THE LONG-TERM DEBT CATEGORIES MY INCLUDE A PLUS (+) OR MINUS (-)
DESIGNATION, WHICH INDICATES WHERE WITHIN THE RESPECTIVE CATEGORY THE ISSUE IS
PLACED.





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