PROFUNDS
497, 1999-07-16
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                                                                     MAY 1, 1999

                                                                     PROSPECTUS.

PROFUNDS NO-LOAD MUTUAL FUNDS
BULL PROFUND
ULTRABULL PROFUND
ULTRAOTC PROFUND
ULTRAEUROPE PROFUND
BEAR PROFUND
ULTRABEAR PROFUND
ULTRASHORT OTC PROFUND
ULTRASHORT EUROPE PROFUND
MONEY MARKET PROFUND

[logo]

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


<PAGE>

        TABLE OF CONTENTS
   1    BENCHMARK PROFUNDS
  17    BENCHMARK PROFUNDS STRATEGY
  21    MONEY MARKET PROFUND
  27    MONEY MARKET PROFUND STRATEGY
  31    SHARE PRICES, CLASSES & TAX INFORMATION
  37    SHAREHOLDER SERVICES GUIDE
  47    PROFUNDS' MANAGEMENT
  51    FINANCIAL HIGHLIGHTS

        PROFUND ADVISORS LLC
        BANKERS TRUST COMPANY
        INVESTMENT ADVISORS

[logo]


<PAGE>

                                                                       BENCHMARK
                                                                        PROFUNDS

         OVERVIEW

                  The no-load Benchmark ProFunds each seek to achieve a daily
                  return equal to the performance of a particular stock market
                  BENCHMARK.*

                  oFor example, the Bull ProFund seeks to match the daily
                  performance of a stock market index--the S&P 500 Composite
                  Stock Price Index(R) ("S&P 500 Index")--like a conventional
                  index fund.

                  oUnlike conventional index funds, certain ProFunds seek to
                  double the daily return of a specified stock market index.

                  oOther ProFunds seek to produce a daily return of the inverse
                  (opposite) or double the inverse (opposite) of a particular
                  stock market index. The value of these ProFunds should go up
                  when the index underlying their benchmark goes down, and their
                  value should go down when the index goes up.

                 *A stock index reflects the price of a group of stocks of
                  specified companies. A benchmark can be any standard of
                  investment performance to which a mutual fund seeks to match
                  its return. For example, UltraBull ProFund has a benchmark of
                  TWICE THE DAILY RETURN OF THE S&P 500 INDEX.

                                                                               1

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<TABLE>
<CAPTION>

THESE PROFUNDS SEEK TO MATCH OR DOUBLE AN INDEX'S DAILY PERFORMANCE:

  PROFUND         INDEX             DAILY OBJECTIVE    TYPES OF COMPANIES IN INDEX

<S>               <C>               <C>                <C>
  Bull            S&P 500           Match              Diverse, widely traded,
                                                       large capitalization
  UltraBull       S&P 500           Double             Diverse, widely traded,
                                                       large capitalization
  UltraOTC        NASDAQ 100        Double             Large capitalization, most
                                                       with technology and/or
                                                       growth orientation

  UltraEurope     ProFunds Europe   Double             Large capitalization, widely
                                                       traded European stocks

THESE PROFUNDS SEEK TO MATCH OR DOUBLE THE INVERSE (OPPOSITE) OF AN INDEX'S
DAILY PERFORMANCE:

  PROFUND         INDEX             DAILY OBJECTIVE    TYPES OF COMPANIES IN INDEX

  Bear            S&P 500           Inverse            Diverse, widely traded,
                                                       large capitalization
  UltraBear       S&P 500           Double the inverse Diverse, widely traded,
                                                       large capitalization
  UltraShort OTC  NASDAQ 100        Double the inverse Large capitalization, most
                                                       with technology and/or
                                                       growth orientation
  UltraShort      ProFunds Europe   Double the inverse Large capitalization, widely
  Europe                                               traded European stocks

                  The ProFunds also offer the Money Market ProFund, which is
                  discussed later in this prospectus.

</TABLE>

2

<PAGE>


                  BENCHMARK PROFUNDS OBJECTIVES

                  The investment objective of each of the Benchmark ProFunds is
                  set forth below:

                  oBULL PROFUND--seeks daily investment results that correspond
                  to the performance of the S&P 500 Index.

                  oULTRABULL PROFUND--seeks daily investment results that
                  correspond to twice (200%) the performance of the S&P 500
                  Index. If the UltraBull ProFund is successful in meeting its
                  objective, it should gain approximately twice as much as the
                  Bull ProFund when the prices of the securities in the S&P 500
                  Index rise on a given day and should lose approximately twice
                  as much when such prices decline on that day.

                  oULTRAOTC PROFUND--seeks daily investment results that
                  correspond to twice (200%) the performance of the NASDAQ 100
                  Index(TM). If the UltraOTC ProFund is successful in meeting
                  its objective, it should gain approximately twice as much as
                  the growth oriented NASDAQ 100 Index(TM) when the prices of
                  the securities in that index rise on a given day and should
                  lose approximately twice as much when such prices decline on
                  that day.

                  oULTRAEUROPE PROFUND--seeks daily investment results that
                  correspond to twice (200%) the performance of the ProFunds
                  Europe Index. If the UltraEurope ProFund is successful in
                  meeting its objective, it should gain approximately twice as
                  much as the ProFunds Europe Index when the prices of the
                  securities in that index rise on a given day and should lose
                  approximately twice as much when such prices decline on that
                  day.

                  oBEAR PROFUND--seeks daily investment results that correspond
                  to the inverse (opposite) of the performance of the S&P 500
                  Index. If the Bear ProFund is successful in meeting its
                  objective, the net asset value of Bear ProFund shares will
                  increase in direct proportion to any decrease in the level of
                  the S&P 500 Index. Conversely, the net asset value of Bear
                  ProFund shares will decrease in direct proportion to any
                  increase in the level of the S&P 500 Index.

                                                                               3

<PAGE>

                  oULTRABEAR PROFUND--seeks daily investment results that
                  correspond to twice (200%) the inverse (opposite) of the
                  performance of the S&P 500 Index. The net asset value of
                  shares of the UltraBear ProFund should increase or decrease
                  approximately twice as much as does that of the Bear ProFund
                  on any given day.

                    For example, if the S&P 500 Index were to decrease by 1% on
                    a particular day, investors in the Bear ProFund should
                    experience a gain in net asset value of approximately 1% for
                    that day. The UltraBear ProFund should realize an increase
                    of approximately 2% of its net asset value on the same day.
                    Conversely, if the S&P 500 Index were to increase by 1% by
                    the close of business on a particular trading day, investors
                    in the Bear ProFund and the UltraBear ProFund would
                    experience a loss in net asset value of approximately 1% and
                    2% respectively.

                  oULTRASHORT OTC PROFUND--seeks daily investment results
                  that correspond to twice (200%) the inverse (opposite) of the
                  performance of the NASDAQ 100 Index(TM). This ProFund operates
                  similar to the UltraBear ProFund, but UltraShort OTC ProFund
                  is benchmarked to the NASDAQ 100 Index(TM).

                  oULTRASHORT EUROPE PROFUND--seeks daily investment results
                  that correspond to twice (200%) the inverse (opposite) of the
                  performance of the ProFunds Europe Index. This ProFund should
                  reflect twice the inverse (opposite) of the performance of the
                  European companies included in the ProFunds Europe Index.

                  The securities indexes that these ProFunds use as their
                  benchmarks are described below under "Benchmark Indexes."

         STRATEGY

                  ProFund Advisors uses quantitative and statistical analysis it
                  developed in seeking to achieve each Benchmark ProFund's
                  investment objective. This analysis determines the type,
                  quantity and mix of investment positions that a Benchmark
                  ProFund should hold to approximate the performance of its
                  benchmark.

4

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                  The BULL, ULTRABULL, ULTRAOTC and ULTRAEUROPE PROFUNDS
                  principally invest in:

                  oFutures contracts on stock indexes, and options on futures
                  contracts; and

                  oFinancial instruments such as equity caps, collars, floors,
                  and options on securities and stock indexes.

                  These ProFunds invest in the above instruments generally as
                  a substitute for investing directly in stocks. In addition,
                  these ProFunds may invest in a combination of stocks that in
                  ProFund Advisors' opinion should simulate the movement of the
                  appropriate benchmark index.

                  The ULTRA PROFUNDS generally invest in the above instruments
                  to produce economically "leveraged" investment results.
                  Leverage is a way to change small market movements into larger
                  changes in the value of a Benchmark ProFund's investments.

                  The BEAR, ULTRABEAR, ULTRASHORT OTC and ULTRASHORT EUROPE
                  PROFUNDS generally do not invest in traditional securities,
                  such as common stock of operating companies. Rather, these
                  ProFunds principally invest in futures contracts, options
                  contracts and other financial instruments, and engage in short
                  sales. Using these techniques, these ProFunds will generally
                  incur a loss if the price of the underlying security or index
                  increases between the date of the employment of the technique
                  and the date on which the ProFund terminates the position.
                  These ProFunds will generally realize a gain if the underlying
                  security or index declines in price between those dates.

                  The ULTRAEUROPE and ULTRASHORT EUROPE PROFUNDS invest in
                  financial instruments with values that reflect the performance
                  of stocks of European companies.

5

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         BENCHMARK PROFUNDS' RISKS

                  Like all investments, the ProFunds entail risk. ProFund
                  Advisors cannot guarantee that any of the Benchmark ProFunds
                  will achieve its objective. As with any mutual fund, the
                  Benchmark ProFunds could lose money, or their performance
                  could trail that of other investment alternatives.

                  In addition, the Benchmark ProFunds present some risks not
                  traditionally associated with most mutual funds. It is
                  important that investors closely review and understand these
                  risks before making an investment in the ProFunds.

                  The following chart summarizes certain risks associated with
                  the Benchmark ProFunds:

                     MARKET         LEVERAGE      INVERSE CORRELATION   FOREIGN
                     RISK           RISK          RISK                  RISK

  Bull               X
  UltraBull          X              X
  UltraOTC           X              X
  UltraEurope        X              X                                   X
  Bear               X                            X
  UltraBear          X              X             X
  UltraShort OTC     X              X             X
  UltraShort Europe  X              X             X                     X

                  These and other risks are described below.

                  CERTAIN RISKS ASSOCIATED WITH PARTICULAR PROFUNDS

                  oLEVERAGE RISK The Ultra ProFunds employ leveraged investment
                  techniques. Leverage is the ability to get a return on a
                  capital base that is larger than a ProFund's investment. Use
                  of leverage can magnify the effects of changes in the value of
                  these ProFunds and makes them more volatile. The leveraged
                  investment

6

<PAGE>


                  techniques that the Ultra ProFunds employ should cause
                  investors in these ProFunds to lose more money in adverse
                  environments.

                  oINVERSE CORRELATION RISK Shareholders in the negatively
                  correlated ProFunds should lose money when the index
                  underlying their benchmark rises -- A RESULT THAT IS THE
                  OPPOSITE FROM TRADITIONAL EQUITY MUTUAL FUNDS.

                  oFOREIGN INVESTMENT RISK UltraEurope ProFund and UltraShort
                  Europe ProFund entail the risk of foreign investing, which may
                  involve risks not typically associated with investing in U.S.
                  securities alone:

                    o Many foreign countries lack uniform accounting and
                    disclosure standards, or have standards that differ from
                    U.S. standards. Accordingly, these ProFunds may not have
                    access to adequate or reliable company information.

                    o UltraEurope ProFund and UltraShort Europe ProFund will be
                    subject to the market, economic and political risks of the
                    countries where they invest or where the companies
                    represented in the benchmark indexes are located.

                    o Securities purchased by these two ProFunds may be priced
                    in foreign currencies. Their value could change
                    significantly as the currencies strengthen or weaken
                    relative to the U.S. dollar. ProFund Advisors does not
                    engage in activities designed to hedge against foreign
                    currency fluctuations.

                    o On January 1, 1999, the eleven nations of the European
                    Monetary Union, including Germany and France, began the
                    process of introducing a uniform currency. The new currency,
                    the euro, is expected to reshape financial markets, banking
                    systems and monetary policy in Europe and throughout the
                    world. The continued transition to the euro may also have a
                    worldwide impact on the economic environment and behavior of
                    investors.

7

<PAGE>



                  RISKS IN COMMON

                  Each Benchmark ProFund faces certain risks in common:

                  oMARKET RISK The Benchmark ProFunds are subject to market
                  risks that will affect the value of their shares, including
                  general economic and market conditions, as well as
                  developments that impact specific industries or companies.
                  Shareholders in the positively correlated ProFunds should lose
                  money when the index underlying their benchmark declines.
                  Shareholders in the negatively correlated ProFunds should lose
                  money when the index underlying their benchmark rises. These
                  indexes are discussed in the next section.

                  oLIQUIDITY RISK In certain circumstances, such as a disruption
                  of the orderly markets for the financial instruments in which
                  ProFunds invest, ProFunds might not be able to dispose of
                  certain holdings quickly or at prices that represent true
                  market value in the judgment of ProFund Advisors. This may
                  prevent ProFunds from limiting losses or realizing gains.

                  oCORRELATION RISK  While ProFund Advisors expects that each
                  of the Benchmark ProFunds will track its benchmark with an
                  average correlation of .90 or better over a year, there can be
                  no guarantee that the ProFunds will be able to achieve this
                  level of correlation. A failure to achieve a high degree of
                  correlation may prevent a Benchmark ProFund from achieving its
                  investment goal.

                  oNON-DIVERSIFICATION RISK The Benchmark ProFunds are
                  classified as "non-diversified" under the federal securities
                  laws. They have the ability to concentrate a relatively high
                  percentage of their investments in the securities of a small
                  number of companies. This would make the performance of a
                  Benchmark ProFund more susceptible to a single economic,
                  political or regulatory event than a more diversified mutual
                  fund might be. Nevertheless, the Benchmark ProFunds intend to
                  invest on a diversified basis.

                                                                               8

<PAGE>

                  oRISKS OF AGGRESSIVE INVESTMENT TECHNIQUES The Benchmark
                  ProFunds use investment techniques that may be considered
                  aggressive. Risks associated with the use of options, futures
                  contracts, and options on futures contracts include
                  potentially dramatic price changes (losses) in the value of
                  the instruments and imperfect correlations between the price
                  of the contract and the underlying security or index.

         BENCHMARK INDEXES

                  o THE S&P 500 INDEX is a widely used measure of large U.S.
                  company stock performance. It consists of the common stocks of
                  500 major corporations selected for their size and the
                  frequency and ease with which their stocks trade. Standard &
                  Poor's also attempts to assure that the Index reflects the
                  full range and diversity of the American economy. The
                  companies in the S&P 500 account for nearly three-quarters of
                  the value of all U.S. stocks.

                  o THE NASDAQ 100 INDEX Contains 100 of the largest and most
                  active non-financial domestic and international issues listed
                  on the NASDAQ Stock Market based on market capitalization.
                  Eligibility criteria for the NASDAQ 100 Index includes a
                  minimum average daily trading volume of 100,000 shares. If the
                  security is a foreign security, the company must have a world
                  wide market value of at least $10 billion, a U.S. market value
                  of at least $4 billion, and average trading volume of at least
                  200,000 shares per day.

                  oPROFUNDS EUROPE INDEX ("PEI") is a combined measure of
                  European stock performance created by ProFund Advisors from
                  the leading stock indexes of Europe's three largest economies
                  giving equal weight to each index each day. The PEI averages
                  the daily results of:

                    o THE FINANCIAL TIMES STOCK EXCHANGE 100 ("FTSE-100") Share
                    Index, a capitalization-weighted index of the 100 most
                    highly capitalized companies traded on the London Stock
                    Exchange.

                                                                               9

<PAGE>

                    o THE DEUTSCHE AKTIENINDEX ("DAX"), is a total rate of
                    return index of 30 selected German blue-chip stocks traded
                    on the Frankfurt Stock Exchange.

                    o THE CAC-40, a capitalization-weighted index of 40
                    companies listed on the Paris Stock Exchange (the Bourse).

                  ProFunds' Board of Trustees may change benchmarks without
                  shareholder approval if, for example, it believes another
                  benchmark might better suit shareholder needs.

         WHO MAY WANT TO CONSIDER A PROFUNDS INVESTMENT

                  The BULL PROFUND may be appropriate for investors who want to
                  receive investment results approximating the performance of
                  the S&P 500 Index.

                  The ULTRABULL, ULTRAOTC and ULTRAEUROPE PROFUNDS may be
                  appropriate for investors who:

                  obelieve that over the long term, the value of a particular
                  index will increase, and that by investing with the objective
                  of doubling the index's daily return they will achieve
                  superior results over time. Investors in these ProFunds should
                  understand that since each Ultra ProFund seeks to double the
                  daily performance of its benchmark index, it should have twice
                  the volatility of a conventional index fund and twice the
                  potential risk of loss.

                  oare seeking to match an index's daily return with half the
                  investment required of conventional stock index mutual funds.

                    An investor might invest $100,000 in a conventional S&P 500
                    Index Fund. Alternatively that same investor could invest
                    half that amount--$50,000-- in UltraBull ProFund and target
                    the same daily return.

                  The BEAR, ULTRABEAR, ULTRASHORT OTC and ULTRASHORT EUROPE
                  PROFUNDS may be appropriate for investors who:

                  oexpect the underlying index to go down and desire to earn a
                  profit as a result of the index declining.

                  owant to protect (or hedge) the value of a diversified
                  portfolio of stocks and/or stock mutual funds from a stock
                  market downturn that they anticipate.

10

<PAGE>

                    An investor with a diversified portfolio of stocks or stock
                    mutual funds valued at $100,000 might be concerned that the
                    general stock market could decrease or be volatile for the
                    next six months. The investor could try to protect the
                    portfolio against downturns in the stock market by investing
                    $50,000 in Bear, UltraBear, UltraShort OTC or UltraShort
                    Europe ProFund-or in a combination of these ProFunds. Of
                    course, the investor likely would also be giving up gains
                    that the portfolio would otherwise produce if the markets go
                    up rather than down in value. ProFunds cannot assure that
                    doing so would protect against market downturns.

                  ALL OF THE PROFUNDS may be appropriate for investors who:

                  oare executing a strategy that relies on frequent buying,
                  selling or exchanging among stock mutual funds, since the
                  ProFunds do not limit how often an investor may exchange among
                  the ProFunds and do not impose any transaction fee when
                  investors buy, sell or exchange a ProFund.

                  owant the impact of their investment to range from double the
                  index to double the inverse of the index based on their
                  current view, positive or negative, of the index.

                                                                              11

<PAGE>




         BENCHMARK PROFUNDS' PERFORMANCE

                  The bar chart and tables in this section can help you evaluate
                  the potential risks of investing in the Benchmark ProFunds.
                  The bar chart shows the 1998 return for the Investor Class
                  shares of each Benchmark ProFund available to the public for a
                  year or more as of December 31, 1998 (which excludes the newly
                  formed UltraShort OTC, UltraEurope and UltraShort Europe
                  ProFunds). The first table compares each such ProFund's return
                  for Investor Class shares in 1998 and since inception with its
                  relevant benchmark index. The second table compares each such
                  ProFund's return for Service Class shares in 1998 and since
                  inception with its relevant benchmark index. Of course, how a
                  Benchmark ProFund has performed in the past is not necessarily
                  an indication of how it will perform in the future.

[The table below represents a bar chart in the printed piece]

1998 RETURNS

                  26.57%                            Bull ProFund
                  42.95%                            UltraBull ProFund
                 185.34%                            UltraOTC ProFund
                 -19.46%                            Bear ProFund
                 -38.34%                            UltraBear ProFund

                  During the period covered in the chart above, the highest and
                  lowest return of the Investor Class shares of each of these
                  Benchmark ProFunds in any calendar quarters were as follows:

<TABLE>
<CAPTION>
                                           HIGHEST QUARTERLY        LOWEST QUARTERLY
                  FUND                     RETURN (%)               RETURN (%)
- -------------------------------------------------------------------------------------
<S>               <C>                      <C>                      <C>
                  Bull ProFund             Q4 1998 (20.37%)         Q3 1998 (-9.95%)
                  Bear ProFund             Q3 1998 (11.11%)         Q4 1998 (-17.06%)
                  UltraBull ProFund        Q4 1998 (41.36%)         Q3 1998 (-22.46%)
                  UltraBear ProFund        Q3 1998 (17.87%)         Q4 1998 (-32.26%)
                  UltraOTC ProFund         Q4 1998 (72.73%)         Q3 1998 (-5.15%)
</TABLE>

12

<PAGE>


AVERAGE ANNUAL INVESTOR CLASS SHARE RETURNS
as of December 31, 1998

                          ONE YEAR           SINCE INCEPTION      INCEPTION DATE

  Bull ProFund              26.57%                23.07%             12/02/97
  S&P 500 Index*            26.67%                24.18%

  UltraBull ProFund         42.95%                42.34%             11/28/97
  S&P 500 Index*            26.67%                26.92%

  UltraOTC ProFund         185.34%               123.30%             12/02/97
  NASDAQ 100 Index(TM)*     85.31%                70.12%

  Bear ProFund             -19.46%               -19.41%             12/31/97
  S&P 500 Index*            26.67%                26.67%

  UltraBear ProFund        -38.34%               -35.43%             12/23/97
  S&P 500 Index*            26.67%                28.27%

AVERAGE ANNUAL SERVICE CLASS SHARE RETURNS
as of December 31, 1998

                          ONE YEAR           SINCE INCEPTION      INCEPTION DATE

  Bull ProFund              25.68%                22.26%             12/02/97
  S&P 500 Index*            26.67%                24.18%

  UltraBull ProFund         41.48%                40.99%             11/28/97
  S&P 500 Index*            26.67%                26.92%

  UltraOTC ProFund         183.98%               122.32%             12/02/97
  NASDAQ 100 Index(TM)*     85.31%                70.12%

  Bear ProFund             -20.04%               -19.99%             12/31/97
  S&P 500 Index*            26.67%                26.67%

  UltraBear ProFund        -38.45%               -35.60%             12/23/97
  S&P 500 Index*            26.67%                28.27%

*Excludes dividends.
                                                                              13

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         ANNUAL BENCHMARK PROFUND OPERATING EXPENSES

                  The tables below describe the fees and expenses you may pay if
                  you buy and hold shares in any of the Benchmark ProFunds. THE
                  PROFUNDS ARE "NO-LOAD" MUTUAL FUNDS. YOU PAY NO SALES CHARGE
                  WHEN YOU BUY OR SELL SHARES, OR WHEN YOU REINVEST DIVIDENDS.

ANNUAL OPERATING EXPENSES--INVESTOR CLASS SHARES
(percentage of average daily net assets)

                     BULL           ULTRABULL       ULTRAOTC       ULTRAEUROPE
                     PROFUND*       PROFUND+        PROFUND+       PROFUND**

  Management fees    0.75%           0.75%          0.75%           0.90%
  Distribution       none            none           none            none
  (12b-1) fees
  Other expenses     0.98%           0.55%          0.50%           0.58%
  Total annual       1.73%           1.30%          1.25%           1.48%
  operating expenses
  Fee waiver         0.34%*          none           none            none
  NET EXPENSES       1.39%           1.30%          1.25%           1.48%

                                                                   ULTRASHORT
                     BEAR           ULTRABEAR       ULTRASHORT OTC EUROPE
                     PROFUND*       PROFUND+        PROFUND+       PROFUND**

  Management fees    0.75%           0.75%          0.75%           0.90%
  Distribution       none            none           none            none
  (12b-1) fees
  Other expenses     1.15%           0.59%          0.68%           0.58%
  Total annual       1.90%           1.34%          1.43%           1.48%
  operating expenses
  Fee waiver         0.51%*          none           none            none
  NET EXPENSES       1.39%           1.34%          1.43%           1.48%

* ProFund Advisors has contractually agreed to waive fees through December 31,
  1999 with respect to the indicated ProFunds.
+ Expenses have been restated to reflect current operating expense ratios.
**Based on estimated expenses to be incurred in the first year of operations.
  NOTE: The ProFunds charge $15 for each wire transfer of redemption proceeds;
  this charge may be waived at the discretion of the ProFunds.

14

<PAGE>


ANNUAL OPERATING EXPENSES--SERVICE CLASS SHARES
(percentage of average daily net assets)

                     BULL            ULTRABULL      ULTRAOTC        ULTRAEUROPE
                     PROFUND*        PROFUND+       PROFUND+        PROFUND**

  Management fees    0.75%           0.75%          0.75%           0.90%
  Distribution       none            none           none            none
  (12b-1) fees
  Other expenses     2.02%           1.54%          1.59%           1.58%
  Total annual       2.77%           2.29%          2.34%           2.48%
  operating expenses
  Fee waiver         0.34%*          none           none            none
  NET EXPENSES       2.43%           2.29%          2.34%           2.48%


                                                                    ULTRASHORT
                     BEAR            ULTRABEAR      ULTRASHORT OTC  EUROPE
                     PROFUND*        PROFUND+       PROFUND+        PROFUND**

  Management fees    0.75%           0.75%          0.75%           0.90%
  Distribution       none            none           none            none
  (12b-1) fees
  Other expenses     2.15%           1.57%          1.72%           1.58%
  Total annual       2.90%           2.32%          2.47%           2.48%
  operating expenses
  Fee waiver         0.51%*          none           none            none
  NET EXPENSES       2.39%           2.32%          2.47%           2.48%

* ProFund Advisors has contractually agreed to waive fees through December 31,
  1999 with respect to the indicated ProFunds.

+ Expenses have been restated to reflect current operating expense ratios.

**Based on estimated expenses to be incurred in the first year of operations.

  NOTE: The ProFunds charge $15 for each wire transfer of redemption proceeds;
  this charge may be waived at the discretion of the ProFunds.

                                                                              15

<PAGE>


         EXPENSE EXAMPLES

                  The following examples illustrate the expenses you would have
                  incurred on a $10,000 investment in each Benchmark ProFund,
                  and are intended to help you compare the cost of investing in
                  the Benchmark ProFunds compared to other mutual funds. It
                  assumes that you invested for the time periods shown and
                  redeemed all of your shares at the end of each period, that
                  each ProFund earns an annual return of 5% over the periods
                  shown, that you reinvest all dividends and distributions, and
                  that gross operating expenses remain constant (1 year examples
                  for Bull and Bear ProFunds reflect current fee waivers).
                  Because this example is hypothetical and for comparison only,
                  your actual costs will be different.

INVESTOR CLASS EXPENSE EXAMPLES

                                         1 YEAR    3 YEARS    5 YEARS   10 YEARS

UltraBull ProFund                          $132       $412       $713     $1,568
UltraOTC ProFund                           $125       $387       $686     $1,511
Bull ProFund                               $142       $545       $939     $2,041
Bear ProFund                               $142       $597     $1,026     $2,222
UltraBear ProFund                          $136       $425       $734     $1,013
UltraShort OTC ProFund                     $146       $452       $782     $1,713
UltraEurope ProFund1                       $151       $468        N/A        N/A
UltraShort Europe                          $151       $468        N/A        N/A
ProFund1


SERVICE CLASS EXPENSE EXAMPLES

                                         1 YEAR    3 YEARS    5 YEARS   10 YEARS

UltraBull ProFund                          $232       $715     $1,225     $2,626
UltraOTC ProFund                           $227       $700     $1,200     $2,575
Bull ProFund                               $246       $859     $1,464     $3,099
Bear ProFund                               $242       $898     $1,528     $3,223
UltraBear ProFund                          $235       $724     $1,240     $2,656
UltraShort OTC ProFund                     $250       $770     $1,316     $2,806
UltraEurope ProFund1                       $251       $773        N/A        N/A
UltraShort Europe                          $251       $773        N/A        N/A
ProFund1

1 The Securities and Exchange Commission requires that these ProFunds estimate
expenses for one and three years only.

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                                                              BENCHMARK PROFUNDS
                                                                        STRATEGY

         WHAT THE BENCHMARK PROFUNDS DO

                  Each Benchmark ProFund:

                  oSeeks to provide its shareholders with predictable investment
                  returns approximating its benchmarks by investing in
                  securities and other financial instruments, such as futures
                  and options on futures.

                  oUses a mathematical and quantitative approach.

                  oPursues their objectives regardless of market conditions,
                  trends or direction.

                  oSeeks to provide correlation with their benchmarks on a daily
                  basis.

         WHAT THE BENCHMARK PROFUNDS DO NOT DO

                  ProFund Advisors does not:

                  oConduct conventional stock research or analysis or forecast
                  stock market movement in managing the Benchmark ProFunds'
                  assets.

                  oInvest the Benchmark ProFunds' assets in stocks or
                  instruments based on ProFund Advisors' view of the fundamental
                  prospects of particular companies.

                  oAdopt defensive positions by investing in cash or other
                  instruments in anticipation of an adverse climate for their
                  benchmark indexes.

                  oSeek to invest to realize dividend income from their
                  investments.

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                  In addition, the Ultra ProFunds do not seek to provide
                  correlation with their benchmark over a period of time other
                  than daily, such as monthly or annually, since mathematical
                  compounding prevents these ProFunds from achieving such
                  results.

         IMPORTANT CONCEPTS

                  oLEVERAGE offers a means of magnifying small market movements,
                  up or down, into large changes in an investment's value.

                  oFUTURES, or FUTURES CONTRACTS, are contracts to pay a fixed
                  price for an agreed-upon amount of commodities or securities,
                  or the cash value of the commodity or securities, on an
                  agreed-upon date.

                  oOPTION CONTRACTS grant one party a right, for a price, either
                  to buy or sell a security or futures contract at a fixed sum
                  during a specified period or on a specified day.

                  oSELLING SHORT, or borrowing stock to sell to a third party,
                  is a technique that may be employed by the ProFunds to seek
                  gains when their benchmark index declines if the ProFund
                  replaces the security to the lender at a price lower than the
                  price it borrowed it at plus interest incurred, the ProFund
                  makes a profit on the difference. If the current market price
                  is greater when the time comes to replace the stock, the
                  ProFund will incur a loss on the transaction.

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         PORTFOLIO TURNOVER

                  ProFund Advisors expects a significant portion of the
                  Benchmark ProFunds' assets to come from professional money
                  managers and investors who use ProFunds as part of "market
                  timing" investment strategies. These strategies often call for
                  frequent trading of ProFund shares to take advantage of
                  anticipated changes in market conditions. Although ProFund
                  Advisors believes its accounting methodology should minimize
                  the effect on ProFunds of such trading, market timing trading
                  could increase the rate of ProFunds' portfolio turnover,
                  forcing realization of substantial capital gains and losses
                  and increasing transaction expenses. In addition, while
                  ProFunds does not expect it, large movements of assets into
                  and out of the ProFunds may negatively impact their abilities
                  to achieve their investment objectives or their level of
                  operating expenses.

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                                                                    MONEY MARKET
                                                                         PROFUND

         OBJECTIVE

                  The Money Market ProFund invests its assets in the Cash
                  Management Portfolio (the "Portfolio"), a separate investment
                  company managed by Bankers Trust Company. This structure is
                  sometimes referred to as "master-feeder." The objective of the
                  Money Market ProFund and the Portfolio are identical: both
                  seek a high level of current income consistent with liquidity
                  and preservation of capital. The Portfolio seeks this
                  objective by investing in high quality short-term money market
                  instruments.

         STRATEGY

                  Money Market ProFund invests for current income. In order to
                  maintain a stable share price, the Portfolio maintains a
                  dollar-weighted average maturity of 90 days or less.
                  Generally, securities in the Portfolio are valued in U.S.
                  dollars and have remaining maturities of 397 days (about 13
                  months) or less on their purchase date. The Portfolio may also
                  invest in securities that have features that reduce their
                  maturities to 397 days or less on their purchase date. The
                  Portfolio buys U.S. government debt obligations, money market
                  instruments and other debt obligations that at the time of
                  purchase:

                  ohave received the highest short-term rating from two
                  nationally recognized statistical rating organizations; or

                  ohave received the highest short-term rating from one rating
                  organization (if only one organization rates the security);

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                  oif unrated, are determined to be of similar quality by the
                  Portfolio's investment advisor; or

                  ohave no short-term rating, but are rated in the top three
                  highest long-term rating categories, or are determined to be
                  of similar quality by the Portfolio's investment advisor.

         RISKS

                  All money market instruments, including U.S. government debt
                  obligations, are subject to interest rate risk, which is the
                  risk that an investment will change in value when interest
                  rates change. Generally, investments subject to interest rate
                  risk will decrease in value when interest rates rise and
                  increase when interest rates decline.

                  Money market instruments are subject to credit risk, which is
                  the risk that the issuer of the instrument will default, or
                  fail to meet its payment obligations. In addition, they may
                  change in value if an issuer's creditworthiness changes,
                  although such a circumstance would be extremely unlikely in
                  the case of U.S. government debt obligations.

                  The Money Market ProFund also will be subject to the effects
                  of business, economic and regulatory developments that affect
                  the Portfolio or the financial services industry generally.

                  An investment in the Money Market ProFund is not a deposit
                  of a bank, nor is it insured or guaranteed by the Federal
                  Deposit Insurance Corporation or any other government agency.
                  While the Money Market ProFund tries to maintain a stable net
                  asset value of $1.00 per share, there is no guarantee that the
                  Money Market ProFund will do so, and you could lose money by
                  investing in this ProFund.

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         CONSIDERING A MONEY MARKET PROFUND INVESTMENT

                  Investors can take advantage of the Money Market ProFund in
                  two ways:

                  oduring periods when investors want to maintain a neutral
                  exposure to the stock market, the income earned from an
                  investment in the Money Market ProFund can keep their capital
                  at work.

                  othe Money Market ProFund can be invested in conjunction with
                  other ProFunds to adjust an investor's target exposure to an
                  index.

                    For instance, an investor who desires to target a daily
                    return of 1.5 times the daily performance of the S&P 500
                    Index could allocate 75% of his or her investment to the
                    UltraBull ProFund and 25% of the investment to the Money
                    Market ProFund.

         MONEY MARKET PROFUND'S TOTAL RETURNS AND EXPENSES

                  The bar chart and tables in this section can help you evaluate
                  the potential risk of investing in Money Market ProFund. The
                  bar chart shows the 1998 return for the Investor Class shares
                  of the Money Market ProFund. The first table shows the Money
                  Market ProFund's return for Investor Class shares in 1998 and
                  since inception. The second table shows the return for Service
                  Class shares in 1998 and since inception. Of course, how the
                  Money Market ProFund has performed in the past is not
                  necessarily an indication of how it will perform in the
                  future.

                  [The table below represents a bar chart in the printed piece.]

                  1998 RETURNS
                  4.84%                                     Money Market ProFund

                  During the period covered in the chart above, the highest
                  return in any calendar quarter for Money Market ProFund's
                  Investor Class shares was Q4 1998 (1.22%), and its lowest
                  quarterly return was Q3 1998 (1.14%).

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AVERAGE ANNUAL INVESTOR CLASS SHARE RETURNS
as of December 31, 1998

                         ONE YEAR           SINCE INCEPTION       INCEPTION DATE

  Money Market ProFund      4.84%                 4.87%             11/17/97

                  The 7-day yield, the income yield for the previous seven days
                  projected over a full year, was 4.41% for Money Market
                  ProFund's Investor Class shares as of December 31, 1998. To
                  learn the current 7-day yield, call ProFunds at (888)
                  776-3637.

AVERAGE ANNUAL SERVICE CLASS SHARE RETURNS
as of December 31, 1998

                         ONE YEAR           SINCE INCEPTION       INCEPTION DATE

  Money Market ProFund      3.81%                 3.41%             11/17/97


                  The 7-day yield, the income yield for the previous seven days
                  projected over a full year, was 3.41% for Money Market
                  ProFund's Service Class shares as of December 31, 1998. To
                  learn the current 7-day yield, call ProFunds at (888)
                  776-3637.

         ANNUAL FUND OPERATING EXPENSES

                  The tables below describe the fees and expenses, including the
                  Money Market ProFund's prorated Portfolio expenses, you may
                  pay if you buy and hold shares of the Money Market ProFund.
                  The Money Market ProFund is a "no-load" mutual fund. You pay
                  no sales charge when you buy or sell shares or when you
                  reinvest dividends.

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MONEY MARKET ANNUAL OPERATING EXPENSES-INVESTOR CLASS SHARES
(percentage of average daily net assets)

                  Management fees                      0.15%
                  Distribution (12b-1) fees            None
                  Other expenses*                      0.68%
                  TOTAL ANNUAL OPERATING EXPENSES*     0.83%

                 *Expenses have been restated to reflect current operating
                  expense ratios.

                  NOTE: The ProFunds charge $15 for each wire transfer of
                  redemption proceeds; this charge may be waived at the
                  discretion of the ProFunds.

                  MONEY MARKET ANNUAL OPERATING EXPENSES-SERVICE CLASS SHARES
                  (percentage of average daily net assets)

                  Management fees                      0.15%
                  Distribution (12b-1) fees            None
                  Other expenses*                      1.68%
                  TOTAL ANNUAL OPERATING EXPENSES*     1.83%

                 *Expenses have been restated to reflect current operating
                  expense ratios.

                  NOTE: The ProFunds charge $15 for each wire transfer of
                  redemption proceeds; this charge may be waived at the
                  discretion of the ProFunds.

                  EXPENSE EXAMPLES

                  The examples below illustrate the expenses you would have
                  incurred on a $10,000 investment in each class of shares of
                  the Money Market ProFund, and are intended to help you compare
                  the cost of investing in the ProFund compared to other mutual
                  funds. It assumes that you invested for the time periods shown
                  and redeemed all of your shares at the end of each period, the
                  Money Market ProFund earns an annual return of 5% over the
                  periods shown, that you reinvest all dividends and
                  distributions, and that gross operating expenses remain
                  constant. Because this example is hypothetical and for
                  comparison only, your actual costs will be different.

                      1 YEAR          3 YEARS         5 YEARS        10 YEARS

  Investor Shares       $85            $265            $460           $1,025
  Service Shares       $186            $576            $990           $2,148

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                                                            MONEY MARKET PROFUND
                                                                        STRATEGY

                  The Money Market ProFund invests all of its investable assets
                  in the Portfolio. The Portfolio may invest in high-quality,
                  short-term, dollar-denominated money market securities paying
                  a fixed, variable or floating interest rate. These include:

                  oDebt securities issued by U.S. and foreign banks, financial
                  institutions, and corporations, including certificates of
                  deposit, euro-time deposits, commercial paper (including
                  asset-backed commercial paper), notes, funding agreements and
                  U.S. government securities. Securities that do not satisfy the
                  maturity restrictions for a money market fund may be
                  specifically structured so that they are eligible investments
                  for money market funds. For example, some securities have
                  features which have the effect of shortening the security's
                  maturity.

                  oU.S. government securities that are issued or guaranteed by
                  the U.S. Treasury, or by agencies or instrumentalities of the
                  U.S. Government.

                  oRepurchase agreements, which are agreements to buy securities
                  at one price, with a simultaneous agreement to sell back the
                  securities at a future date at an agreed-upon price.

                  oAsset-backed securities, which are generally participations
                  in a pool of assets whose payment is derived from the payments
                  generated by the underlying assets. Payments on the
                  asset-backed security generally consist of interest and/or
                  principal.

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                  Because many of the Portfolio's principal investments are
                  issued or credit-enhanced by banks, the Portfolio may invest
                  more than 25% of its total assets in obligations of domestic
                  banks.

                  The Portfolio may invest in other types of instruments, as
                  described in the Statement of Additional Information.

         SPECIFIC RISKS AND MEASURES TAKEN TO LIMIT THEM

                  CREDIT RISK

                  A money market instrument's credit quality depends on the
                  issuer's ability to pay interest on the security and repay the
                  debt: the lower the credit rating, the greater the risk that
                  the security's issuer will default, or fail to meet its
                  payment obligations. The credit risk of a security may also
                  depend on the credit quality of any bank or financial
                  institution that provides credit enhancement for it. The
                  Portfolio only buys high quality securities with minimal
                  credit risk. If a security no longer meets the Portfolio's
                  credit rating requirements, Bankers Trust Company will attempt
                  to sell that security within a reasonable time, unless selling
                  the security would not be in the Portfolio's best interest.

                  REPURCHASE AGREEMENT RISK

                  A repurchase agreement exposes the Portfolio to the risk that
                  the party that sells the securities defaults on its obligation
                  to repurchase them. In this circumstance, the Portfolio can
                  lose money because:

                  oit may not be able to sell the securities at the agreed-upon
                  time and price.

                  othe securities lose value before they can be sold.

                  Bankers Trust Company seeks to reduce the Portfolio's risk by
                  monitoring, under the supervision of the Portfolio's Board of
                  Trustees, the creditworthiness of the sellers with whom it
                  enters into repurchase agreements. The Portfolio also monitors
                  the value of the securities to ensure that they are at least
                  equal to the total amount of the repurchase obligations,
                  including interest.

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<PAGE>

                  INTEREST RATE RISK

                  Money market instruments, like all debt securities, face the
                  risk that the securities will decline in value because of
                  changes in interest rates. Generally, investments subject to
                  interest rate risk will decrease in value when interest rates
                  rise and increase when interest rates decline. To minimize
                  such price fluctuations, the Portfolio adheres to the
                  following practices:

                  oBankers Trust Company limits the dollar-weighted average
                  maturity of the securities held by the Portfolio to 90 days or
                  less. Generally, rates of short-term investments fluctuate
                  less than longer-term bonds.

                  oBankers Trust Company primarily buys securities with
                  remaining maturities of 13 months or less. This reduces the
                  risk that the issuer's creditworthiness will change, or that
                  the issuer will default on the principal and interest payments
                  of the obligations.

                  MARKET RISK

                  Although individual securities may outperform their market,
                  the entire market may decline as a result of rising interest
                  rates, regulatory developments or deteriorating economic
                  conditions.

                  SECURITY SELECTION RISK

                  While the Portfolio invests in short-term securities, which by
                  nature are relatively stable investments, the risk remains
                  that the securities selected will not perform as expected.
                  This could cause the Portfolio's returns to lag behind those
                  of similar money market funds. Bankers Trust Company attempts
                  to limit this risk by diversifying the Portfolio's investments
                  so that a single setback need not undermine the pursuit of its
                  objective and by investing in money market instruments that
                  receive the highest short-term debt ratings as described
                  above.

                  CONCENTRATION RISK

                  Because the Portfolio may invest more than 25% of its total
                  assets in the financial services industry, it may be
                  vulnerable to setbacks in that industry. Banks and other
                  financial service

                                                                              29


<PAGE>

                  companies are highly dependent on short-term interest rates
                  and can be adversely affected by downturns in the U.S. and
                  foreign economies or changes in banking regulations.

                  PREPAYMENT RISK

                  When a bond issuer, such as an issuer of asset-backed
                  securities, retains the right to pay off a high-yielding bond
                  before it comes due, the Portfolio may have no choice but to
                  reinvest the proceeds at lower interest rates. Thus,
                  prepayment may reduce the Portfolio's income. It may also
                  create a capital gains tax liability, because bond issuers
                  usually pay a premium for the right to pay off bonds early.

         ORGANIZATIONAL STRUCTURE

                  The Money Market ProFund is a FEEDER FUND that invests all of
                  its assets in a master fund, the Portfolio. The ProFund and
                  the Portfolio have the same investment objective.

                  The Portfolio may accept investments from other feeder funds.
                  The feeders bear the Portfolio's expenses in proportion to
                  their assets. Each feeder can set its own transaction
                  minimums, fund-specific expenses and other conditions. The
                  Money Market ProFund's Trustees may withdraw its assets from
                  the Portfolio if they believe doing so is in the shareholders'
                  best interests. If the Trustees withdraw the Fund's assets,
                  they would then consider whether the Fund should hire its own
                  investment advisor and invest its assets directly in
                  appropriate instruments, invest in a different fund, or take
                  other action.

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                                                     SHARE PRICES, CLASSES & TAX
                                                                     INFORMATION

         CALCULATING THE PROFUNDS' SHARE PRICES

                  Except for the UltraEurope and UltraShort Europe ProFunds,
                  each Benchmark ProFund calculates daily share prices on the
                  basis of the net asset value of each class of shares at the
                  close of regular trading on the New York Stock Exchange
                  ("NYSE") (normally, 4:00 p.m., Eastern time) every day the
                  NYSE and the Chicago Mercantile Exchange are open for
                  business.

                  The UltraEurope and UltraShort Europe ProFunds calculate their
                  daily share prices on the basis of net asset value of each
                  class as of one half hour after the latest opening of the
                  three exchanges tracked by the PEI: the London Stock Exchange,
                  the Frankfurt Stock Exchange or the Paris Bourse (normally,
                  4:30 a.m., Eastern time), on each day that all three of these
                  exchanges and the NYSE are open.

                  Purchases and redemptions of shares are effected at the net
                  asset value per share next determined after receipt and
                  acceptance of an order. If portfolio investments of a ProFund
                  are traded in markets on days when the ProFund's principal
                  trading market(s) is closed, the ProFund's net asset value may
                  vary on days when investors cannot purchase or redeem shares.

                  The ProFunds value shares of each class of shares by dividing
                  the market value of the assets attributable to each class,
                  less the liabilities attributable to the class, by the number
                  of the class's

                                                                              31

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                  outstanding shares. The ProFunds use the following methods for
                  arriving at the current market price of investments held by
                  the Benchmark ProFunds:

                  osecurities listed and traded on exchanges--the last price the
                  stock traded at on a given day, or if there were no sales, the
                  mean between the closing bid and asked prices.

                  osecurities traded over-the-counter--NASDAQ-supplied
                  information on the prevailing bid and asked prices.

                  ofutures contracts and options on indexes and securities--the
                  last sale price prior to the close of regular trading on the
                  NYSE (for all Benchmark ProFunds except the UltraEurope
                  ProFund and UltraShort Europe ProFund).

                  ofutures prices used to calculate net asset values for the
                  UltraEurope ProFund and the UltraShort Europe ProFund will be
                  the last transaction prices for the respective futures
                  contracts that occur immediately prior to one half hour after
                  each underlying stock market opens.

                  ooptions on futures contracts--priced at fair value determined
                  with reference to established future exchanges.

                  obonds and convertible bonds generally are valued using a
                  third-party pricing system.

                  oshort-term debt securities are valued at amortized cost,
                  which approximates market value.

                  othe foreign exchange rates used to calculate the net asset
                  values for the UltraEurope ProFund and the UltraShort Europe
                  ProFund will be the mean of the bid price and the asked price
                  for the respective foreign currency occurring immediately
                  after one half hour after the last underlying stock market
                  opens.

                  When price quotes are not readily available, securities and
                  other assets are valued at fair value in good faith under
                  procedures established by, and under the general supervision
                  and responsibility of, the ProFunds' Board of Trustees. This
                  procedure incurs the unavoidable risk that the valuation may
                  be higher or lower than the securities might actually command
                  if the ProFunds sold them. In the event that a trading halt
                  closes the NYSE or a futures exchange early, portfolio
                  investments may be valued at fair

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<PAGE>

                  value, or in a manner that is different from the discussion
                  above. See the Statement of Additional Information for more
                  details.

                  THE NEW YORK STOCK EXCHANGE and the CHICAGO MERCANTILE
                  EXCHANGE, a leading market for futures and options, are open
                  every week, Monday through Friday, except when the following
                  holidays are celebrated: New Year's Day, Martin Luther King,
                  Jr. Day (the third Monday in January), Presidents' Day (the
                  third Monday in February), Good Friday, Memorial Day (the last
                  Monday in May), July 4th, Labor Day (the first Monday in
                  September), Thanksgiving Day (the fourth Thursday in November)
                  and Christmas Day. Either or both of these Exchanges may close
                  early on the business day before each of these holidays.
                  Either or both of these Exchanges also may close early on the
                  day after Thanksgiving Day and the day before Christmas
                  holiday.

                  THE LONDON STOCK EXCHANGE, FRANKFURT STOCK EXCHANGE or PARIS
                  BOURSE closes for the following holidays in 1999: May Day (May
                  3), Ascension (May 13), Pentecost Monday (May 24), Spring Bank
                  Holiday (May 31), Corpus Christi Day (June 3), Independence
                  Day (July 5), Bastille Day (July 14), Summer Bank Holiday
                  (August 30), Labor Day (September 6), All Saints Day (November
                  1), Thanksgiving Day (November 25), Christmas Eve, Christmas
                  Day (observed December 27), Boxing Day (observed December 28)
                  and New Year's Eve. Holidays scheduled for 2000 include: New
                  Years Day (January 3), Good Friday (April 21) and Easter
                  Monday (April 24). Please note that holiday schedules are
                  subject to change without notice.

         CALCULATING THE MONEY MARKET PROFUND'S SHARE PRICE

                  The Money Market ProFund calculates daily share prices on the
                  basis of the net asset value of each class of shares at the
                  close of regular trading on the NYSE (normally, 4:00 p.m.,
                  Eastern time) every day the NYSE is open for business except
                  for two additional bank holidays, Columbus Day and Veterans'
                  Day. Purchases and redemptions of shares are effected at the
                  net asset value per share

                                                                              33


<PAGE>

                  next determined after receipt and acceptance of an order. If
                  the market for the primary investments in the Portfolio closes
                  early, the Portfolio may close early. The Money Market ProFund
                  will cease taking purchase orders at that time. The Money
                  Market ProFund's net asset value per share for each class of
                  shares will normally be $1.00, although neither ProFund
                  Advisors nor Bankers Trust Company can guarantee that this
                  will always be the case. The Portfolio uses the amortized cost
                  method to account for any premiums or discounts above or below
                  the face value of any securities it buys. This method does not
                  reflect daily fluctuations in market value.

         DIVIDENDS AND DISTRIBUTIONS

                  Each of the Benchmark ProFunds intends to distribute to its
                  shareholders every year all of the year's net investment
                  income and net capital gains. Each Benchmark ProFund will
                  reinvest these distributions in additional shares unless a
                  shareholder has written to request a direct cash distribution.

                  The Money Market ProFund declares dividends from its net
                  income daily and pays the dividends on a monthly basis. The
                  Money Market ProFund will pay annually any long-term capital
                  gains as well as any short-term capital gains that it did not
                  distribute during the year, but it reserves the right to
                  include in the daily dividend any short-term capital gains on
                  securities that it sells.

                  The Money Market ProFund may revise these policies, postpone
                  the payment of dividends and interest or take other actions in
                  order to maintain a constant net asset value of $1.00 per
                  share.

         TAX CONSEQUENCES

                  A ProFund does not ordinarily pay income tax on its net
                  investment income (which includes short-term capital gains)
                  and net capital gain that it distributes to shareholders, but
                  individual shareholders pay tax on the dividends and
                  distributions they

34

<PAGE>


                  receive. Shareholders will generally be taxed regardless of
                  how long they have held ProFund shares and regardless of
                  whether they receive cash or choose to have distributions and
                  dividends reinvested. Distributions and dividends generally
                  will be taxable as either ordinary income or long-term capital
                  gains. For example, if a ProFund designates a particular
                  distribution as a long-term capital gain distribution, it will
                  be taxable to shareholders at their long-term capital gain
                  rate. Dividends and distributions may also be subject to state
                  and local taxes.

                  Every year the ProFunds will send shareholders tax information
                  on the dividends and distributions for the previous year.

                  If shareholders sell or redeem their ProFund shares, they may
                  have a capital gain or loss, which will be long-term or
                  short-term, generally depending upon how long they have held
                  the shares. An exchange of ProFund shares may be treated as a
                  sale.

                  The tax consequences for tax deferred retirement accounts or
                  non-taxable shareholders will be different.

                  PLEASE KEEP IN MIND:

                  oWhether a distribution by a ProFund is taxable to
                  shareholders as ordinary income or at the lower capital gains
                  rate depends on whether it is long-term capital gain of the
                  ProFund, not on how long an investor has owned shares of the
                  ProFund.

                  oDividends and distributions declared by a ProFund in October,
                  November or December of one year and paid in January of the
                  next year may be taxable in the year the ProFund declared
                  them.

                  oAs with all mutual funds, a ProFund may be required to
                  withhold U.S. federal income tax at the rate of 31% of all
                  taxable distributions and redemption proceeds, payable to
                  shareholders who fail to provide the ProFund with correct
                  taxpayer identification numbers or to make required
                  certifications, or who have been notified by the IRS that they
                  are subject to backup withholding. Backup withholding is not
                  an additional tax; rather, it is a way in which the IRS
                  ensures it will collect taxes otherwise due. Any amounts
                  withheld may be credited against the

                                                                              35


<PAGE>

                  shareholder's U.S. federal income tax liability. You also may
                  be subject to a $50 fee to reimburse the ProFunds for any
                  penalty that the IRS may impose.

                  PLEASE SEE THE STATEMENT OF ADDITIONAL INFORMATION FOR MORE
                  INFORMATION. BECAUSE EACH INVESTOR'S TAX CIRCUMSTANCES ARE
                  UNIQUE AND BECAUSE THE TAX LAWS ARE SUBJECT TO CHANGE, PROFUND
                  ADVISORS RECOMMENDS THAT SHAREHOLDERS CONSULT THEIR TAX
                  ADVISORS ABOUT FEDERAL, STATE, LOCAL AND FOREIGN TAX
                  CONSEQUENCES OF INVESTMENT IN THE PROFUNDS.

         CLASSES OF SHARES

                  Investors in any of the ProFunds can purchase either Investor
                  Class shares directly, or Service Class shares through an
                  authorized firm, such as a registered investment advisor, a
                  bank or a trust company. Under a shareholder services plan for
                  Service Class shares, each ProFund may pay an authorized firm
                  up to 1.00% on an annualized basis of average daily net assets
                  attributable to its customers who are Service Class
                  shareholders. For this fee, the authorized firms may provide a
                  variety of services, such as:

                  oreceiving and processing shareholder orders,

                  operforming the accounting for the shareholder's account,

                  omaintaining retirement plan accounts,

                  oanswering questions, giving investment advice, and handling
                  correspondence for individual accounts,

                  oacting as the sole shareholder of record for individual
                  shareholders,

                  oissuing shareholder reports and transaction confirmations,

                  oexecuting daily investment "sweep" functions, and

                  oinvestment advisory services.

                  Holders of a ProFund's Service Class shares pay all fees and
                  expenses applicable to these shares. The authorized firms may
                  charge extra for services beyond those specified above, but
                  they must furnish clients who own Service Class shares with a
                  schedule explaining those fees.

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                                                            SHAREHOLDER SERVICES
                                                                           GUIDE

         CONTACTING PROFUNDS

                  BY TELEPHONE:        (888) 776-3637 or (614) 470-8122--
                                         for investors
                                       (888) 776-5717--a phone line dedicated
                                         for use by financial professionals ONLY

                  BY MAIL:             ProFunds
                                       P.O. Box 182800
                                       Columbus, OH 43218-2800

                  BY OVERNIGHT MAIL:   ProFunds
                                       c/o BISYS Fund Services
                                       3435 Stelzer Road
                                       Columbus, OH 43219

         MINIMUM INVESTMENTS

                  o$5,000 for discretionary accounts controlled by a financial
                  professional.

                  o$15,000 for self-directed accounts controlled directly by
                  investors.

                  These minimums apply to all accounts, including retirement
                  plans, and apply to the total value of an investor's initial
                  ProFunds investment. ProFunds reserves the right to reject or
                  refuse, at its discretion, any order for the purchase of a
                  ProFund's shares in whole or in part.

                                                                              37

<PAGE>

         OPENING YOUR PROFUNDS ACCOUNT

                  BY MAIL: Send a completed application, along with a check
                  payable to "ProFunds," to the aforementioned address. Cash,
                  credit cards and credit card checks are not accepted. Please
                  contact ProFunds in advance if you wish to send third party
                  checks. All purchases must be made in US dollars through a US
                  bank.

                  BY WIRE TRANSFER: First, complete an application and fax it to
                  ProFunds at (800) 782-4797 (toll-free) or (614) 470-8718.
                  Next, call ProFunds at (888) 776-3637 (toll-free) or (614)
                  470-8122 to a) confirm receipt of the faxed application, b)
                  request your new account number, c) inform ProFunds of the
                  amount to be wired and d) receive a confirmation number for
                  your purchase order. After receiving your confirmation number,
                  instruct your bank to transfer money by wire to:

                    UMB BANK, N.A.
                    KANSAS CITY, MO
                    ROUTING/ABA #:101000695
                    PROFUNDS DDA #9870857952

                    FOR FURTHER CREDIT TO: Your name, the name of the
                    ProFund(s), and your ProFunds account number

                    CONFIRMATION NUMBER: The confirmation number given to you by
                    the ProFunds representative

                  Instructions, written or telephonic, given to ProFunds for
                  wire transfer requests do not constitute a purchase order
                  until the wire transfer has been received by ProFunds.
                  ProFunds is not liable for any loss incurred due to a wire
                  transfer not having been received.

                  Please note that your bank may charge a fee to send or receive
                  wires.

38


<PAGE>



                  ESTABLISHING ACCOUNTS FOR TAX-SHELTERED RETIREMENT PLANS

                  The ProFunds sponsor Individual Retirement Accounts ("IRAs")
                  that enable individual investors to set up their own
                  retirement savings programs. ProFund Advisors charges an
                  annual fee of $15 per social security number for all types of
                  IRAs to pay for the extra maintenance and tax reporting that
                  these plans require. Investors in other types of retirement
                  plans also may invest in the ProFunds. For additional
                  information and an application, contact ProFunds directly by
                  phone or at the above address.

         PURCHASING ADDITIONAL PROFUNDS SHARES

                  BY MAIL: Send a check payable to "ProFunds", noting the
                  ProFund and account number, to the aforementioned address.
                  Cash, credit cards, and credit card checks are not accepted.
                  Please contact ProFunds in advance if you wish to send third
                  party checks. All purchases need to be made in US dollars
                  through a US bank.

                  BY WIRE TRANSFER: Call ProFunds to inform us of the amount you
                  will be wiring and receive a confirmation number.

                  YOU CAN THEN INSTRUCT YOUR BANK TO TRANSFER YOUR FUNDS TO:

                    UMB BANK, N.A.
                    KANSAS CITY, MO
                    ROUTING/ABA #:101000695
                    PROFUNDS DDA #9870857952

                    FOR FURTHER CREDIT TO: Your name, the name of the
                    ProFund(s), and your ProFunds account number

                    CONFIRMATION NUMBER: The confirmation number given to you by
                    the ProFunds representative

                  Instructions, written or telephonic, given to ProFunds for
                  wire transfer requests do not constitute a purchase order
                  until the wire transfer has been received by ProFunds.
                  ProFunds is not liable for any loss incurred due to a wire
                  transfer not having been received.

                  Please note that your bank may charge a fee to send or receive
                  wires.

                                                                              39


<PAGE>

         PLEASE KEEP IN MIND WHEN PURCHASING SHARES:

                  oThe minimum subsequent purchase amount is $100.

                  oProFunds prices shares you purchase at the price per share
                  next computed after we receive and accept your purchase order
                  in good order. In order to be in good order, a purchase order
                  must include a properly completed application and wire, check
                  or other form of payment.

                  oA wire order is considered in good order only if (i) you have
                  called ProFunds under the procedures described above and (ii)
                  ProFunds receives and accepts your wire. ProFunds can only
                  accept wires during the times it processes wires: between 8:00
                  a.m. and 3:30 p.m. for all ProFunds except UltraEurope and
                  UltraShort Europe and between 8:00 a.m. and 6:00 p.m. for
                  UltraEurope and UltraShort Europe ProFunds. Wires received
                  after ProFunds' wire processing times will be processed the
                  next business day and will receive that day's share price. If
                  the primary exchange or market on which a ProFund (other than
                  the UltraEurope and UltraShort Europe ProFunds) transacts
                  business closes early, the above cut-off time will be 25
                  minutes prior to the close of such exchange or market.

                  oIf your purchase is cancelled, you will be responsible for
                  any losses that may result from any decline in the value of
                  the cancelled purchase. ProFunds (or its agents) have the
                  authority to redeem shares in your account(s) to cover any
                  losses due to fluctuations in share price. Any profit on a
                  cancelled transaction will accrue to the ProFunds.

                  oSecurities brokers and dealers have the responsibility of
                  transmitting your orders promptly. Brokers and dealers may
                  charge transaction fees on the purchase and/or sale of
                  ProFunds shares.

40


<PAGE>


         EXCHANGES

                  Shareholders can exchange shares of either class of any
                  ProFund for shares of either class of another ProFund free of
                  charge. ProFunds can only honor exchanges between accounts
                  registered in the same name, and having the same address and
                  taxpayer identification number.

                  ProFunds accepts exchange orders either by phone or in
                  writing. You will need to specify the number of shares, or the
                  percentage or dollar value of the shares you wish to exchange,
                  and the ProFunds (and classes of shares) involved in the
                  transaction. PROFUNDS CAN ONLY ACCEPT EXCHANGE ORDERS BY PHONE
                  BETWEEN 8:00 A.M. AND 3:50 P.M. AND BETWEEN 4:30 P.M. AND 9:00
                  P.M. EASTERN TIME (8 A.M. AND 3:50 P.M. AND BETWEEN 4:30 P.M.
                  AND 8:00 P.M. FOR THE ULTRAEUROPE AND ULTRASHORT EUROPE
                  PROFUNDS). PROFUNDS MAY NOT RECEIVE OR ACCEPT ORDERS AT ANY
                  OTHER TIME. If the primary exchange or market (generally, the
                  CME) on which a ProFund (other than the UltraEurope or
                  UltraShort Europe ProFunds) transacts business closes early,
                  the above cut-off time will be 25 minutes prior to the close
                  of such exchange or market.

                  To receive the net asset value calculated on a given date,
                  telephone exchanges from any ProFund other than the Money
                  Market, UltraEurope and UltraShort Europe ProFund to either
                  the UltraEurope ProFund or the UltraShort Europe ProFund must
                  be made by 3:50 p.m., Eastern time, on such date. In such an
                  exchange, you will purchase UltraEurope and UltraShort Europe
                  ProFunds on the next business day. The proceeds will be
                  uninvested during the intervening period and will not earn
                  interest during that time. Please note that during certain
                  periods it may take several days for exchanges to be completed
                  due to holidays. Exchanges from the Money Market Fund into
                  either the UltraEurope or UltraShort Europe ProFund may be
                  made up until 8:00 p.m., Eastern time. All aspects of such an
                  exchange will occur the following business day for the
                  affected funds.

                                                                              41

<PAGE>

                  Telephone exchanges from either the UltraEurope ProFund or
                  the UltraShort Europe ProFund to any other ProFund will
                  receive the net asset value calculated on the business day
                  following the day of the order on the redemption and purchase
                  sides of the exchange. Accordingly, shareholders will not be
                  uninvested for any period of time.

                  PLEASE KEEP IN MIND:

                  oAn exchange is actually a redemption and purchase of shares
                  and your redemptions are subject to taxes (in a non
                  tax-sheltered account).

                  oThe minimum exchange for self-directed accounts is $1,000 or,
                  if less, for the account's entire current value.

                  oYou may exchange, on a regular basis, shares of the Money
                  Market ProFund for shares of other ProFunds through an
                  Automatic Exchange Plan. For more information on this option,
                  please call ProFunds at 888-776-3637.

         REDEEMING PROFUND SHARES

                  YOU CAN REDEEM ALL OR PART OF YOUR SHARES AT THE PRICE NEXT
                  DETERMINED AFTER WE RECEIVE YOUR REQUEST. PROFUNDS OTHER THAN
                  ULTRAEUROPE AND ULTRASHORT EUROPE ONLY ACCEPTS REDEMPTION
                  ORDERS BY PHONE BETWEEN 8:00 A.M. AND 3:50 P.M. AND BETWEEN
                  4:30 P.M. AND 9:00 P.M. EASTERN TIME. ULTRAEUROPE AND
                  ULTRASHORT EUROPE PROFUNDS ACCEPT TELEPHONE REDEMPTION ORDERS
                  ONLY BETWEEN 8:00 A.M. AND 3:50 P.M. AND 4:30 P.M. AND 8:00
                  P.M., EASTERN TIME. ProFunds may not receive or accept orders
                  at any other time. If the primary exchange or market on which
                  a ProFund (other than the UltraEurope and UltraShort Europe
                  ProFunds) transacts business closes early, the above cut-off
                  time will be 25 minutes prior to the close of such exchange or
                  market.

42


<PAGE>


                  WRITTEN REDEMPTIONS

                  To redeem all or part of your shares in writing, your request
                  needs to include the following information:

                  othe name of the ProFund(s),

                  othe account number(s),

                  othe amount of money or number of shares being redeemed,

                  othe name(s) of the account owners,

                  othe signature(s) of all registered account owners, and

                  oyour daytime telephone number.

                  WIRE REDEMPTIONS

                  If your account is authorized for wire redemption, your
                  proceeds will be wired directly into the bank account you have
                  designated. The ProFunds charge a $15 service fee for a wire
                  transfer of redemption proceeds, and your bank may charge an
                  additional fee to receive the wire. If you would like to
                  establish this option on an existing account, please call
                  ProFunds to request the appropriate form. Wire redemptions are
                  not available for retirement accounts.

                  SIGNATURE GUARANTEE

                  Certain redemption requests must include a signature
                  guarantee. Your request needs to be in writing and include a
                  signature guarantee if any of the following situations apply:

                  oYour account registration or address has changed within the
                  last 30 calendar days.

                  oThe check is being mailed to a different address than the one
                  on your account.

                  oThe check or wire is being made payable to someone other than
                  the account owner.

                  oThe redemption proceeds are being transferred to an account
                  with a different registration.

                  oYou wish to redeem more than $100,000.

                  oYou are adding or changing wire instructions on your account.

                  oOther unusual situations as determined by ProFund's transfer
                  agent.

                                                                              43


<PAGE>


                  Signature guarantees may be provided by an eligible guarantor
                  institution such as a commercial bank, an NASD member firm
                  such as a stock broker, a savings association or a national
                  securities exchange.

                  PLEASE KEEP IN MIND:

                  oRedemptions from self-directed accounts must be for at least
                  $1,000 or, if less, for the account's entire current value.
                  The remaining balance needs to be above the applicable minimum
                  investment.

                  oThe ProFunds normally remit redemption proceeds within seven
                  days of completing your liquidation out of the relevant
                  ProFund. For redemption of shares purchased by check or
                  Automatic Investment, ProFunds may wait up to 15 days before
                  sending redemption proceeds to assure that its transfer agent
                  has collected the purchase payment.

                  oProFunds will remit payment of telephone redemptions only to
                  the address or bank of record on the account application. You
                  must submit, in writing, a request for payment to any other
                  address, along with a signature guarantee from a financial
                  service organization.

                  oTo redeem shares in a retirement account, your request needs
                  to be in writing, except for exchanges to other ProFunds,
                  which can be requested by phone or in writing. Call the
                  ProFunds to request a retirement distribution form.

                  oInvoluntary Redemptions: ProFunds reserves the right to
                  redeem involuntarily an investor's account, including a
                  retirement account, which falls below the applicable minimum
                  investment in total value in the ProFunds due to redemption.
                  In addition, both a request for a partial redemption by an
                  investor whose account balance is below the minimum investment
                  and a request for partial redemption by an investor that would
                  bring the account below the minimum investment will be treated
                  as a request by the investor for a complete redemption of the
                  account.

44


<PAGE>


                  oRedemption proceeds from the UltraEurope and UltraShort
                  Europe ProFunds are made within seven business days after the
                  business date of the redemption. The business date of these
                  redemptions is normally the business day following the day
                  your redemption request reaches ProFunds.

                  oMoney Market ProFund shares begin accruing dividends on the
                  day ProFund's transfer agent, BISYS Fund Services, receives a
                  purchase order and payment in the form of a Federal funds
                  wire. Purchases by check begin earning dividends the business
                  day following the business day the check is received. They
                  continue to earn dividends until the business day that BISYS
                  Fund Services has processed the redemption order.

                  SUSPENSION OF REDEMPTIONS

                  Your right of redemption may be suspended, or the date of
                  payment postponed: (i) for any period during which the NYSE or
                  the Federal Reserve Bank of New York, as appropriate, is
                  closed (other than customary weekend or holiday closings) or
                  trading on the NYSE, as appropriate, is restricted, as
                  determined by the Securities and Exchange Commission; (ii) for
                  any period during which an emergency exists, as determined by
                  the Securities and Exchange Commission, so that disposal of a
                  ProFund's investments or the determination of its net asset
                  value is not reasonably practicable; or (iii) for such other
                  periods as the Securities and Exchange Commission, by order,
                  may permit for protection of ProFunds' investors.

                  DRAFT CHECKS

                  You may elect to redeem shares of the Money Market ProFund by
                  draft check ($500 minimum) made payable to the order of any
                  person or institution. If you are interested in this option,
                  you must submit a completed signature card to ProFunds. You
                  will then be supplied with draft checks that are drawn on the
                  Money Market ProFund's account. There is a $25 fee for stop
                  payment requests on draft checks. This option is not available
                  to Individual Retirement Account shareholders.

                                                                              45

<PAGE>

         AUTOMATIC INVESTMENT AND REDEMPTION PLANS

                  Shareholders may buy and redeem shares automatically on a
                  monthly, bimonthly, quarterly or annual basis. The minimum
                  automatic purchase is $100 and the minimum automatic
                  redemption is $500. These minimums are waived for IRA
                  shareholders 701/2 years of age or older.

         ABOUT TELEPHONE TRANSACTIONS

                  oIT MAY BE DIFFICULT TO REACH PROFUNDS BY TELEPHONE DURING
                  PERIODS OF HEAVY MARKET ACTIVITY OR OTHER TIMES. IF YOU ARE
                  UNABLE TO REACH US BY TELEPHONE, CONSIDER SENDING WRITTEN
                  INSTRUCTIONS.

                  oYou may initiate numerous transactions by telephone. Please
                  note, however, that the ProFunds and their agents will not be
                  responsible for losses resulting from unauthorized
                  transactions when procedures designed to verify the identity
                  of the caller are followed.

46


<PAGE>

                                                                        PROFUNDS
                                                                      MANAGEMENT

         BOARD OF TRUSTEES AND OFFICERS

                  The ProFunds' Board of Trustees is responsible for the general
                  supervision of the ProFunds. The ProFunds' officers are
                  responsible for day-to-day operations of the ProFunds.

         INVESTMENT ADVISORS

                  PROFUND ADVISORS LLC

                  PROFUND ADVISORS LLC, located at 7900 Wisconsin Avenue, Suite
                  300, Bethesda, Maryland 20814, serves as the investment
                  advisor to all of the ProFunds except for the Money Market
                  ProFund, providing investment advice and management services.
                  ProFund Advisors oversees the investment and reinvestment of
                  the assets in each Benchmark ProFund. It receives fees equal
                  to 0.75% of the average daily net assets of each Benchmark
                  ProFund, except the UltraEurope and UltraShort Europe
                  ProFunds, for which it receives a fee equal to 0.90% of the
                  average daily net assets. ProFund Advisors bears the costs of
                  advisory services.

                  MICHAEL L. SAPIR, Chairman and Chief Executive Officer of
                  ProFund Advisors LLC, served as senior vice president of Padco
                  Advisors, Inc., which advised Rydex(R) Funds. In addition, Mr.
                  Sapir practiced law for over 13 years, most recently as a
                  partner in a Washington-based law firm. As an attorney, Mr.
                  Sapir advised and represented mutual funds and other financial
                  institutions. He holds degrees from Georgetown University Law
                  Center (J.D.) and University of Miami (M.B.A. and B.A.).

                                                                              47

<PAGE>

                  LOUIS M. MAYBERG, President of ProFund Advisors LLC,
                  co-founded National Capital Companies, L.L.C., an investment
                  bank in 1986, and manages its hedge fund. He holds a Bachelor
                  of Business Administration degree with a major in Finance from
                  George Washington University.

                  WILLIAM E. SEALE, PH.D., Director of Portfolio for ProFund
                  Advisors LLC, has more than 29 years of experience in the
                  commodity futures markets. His background includes a five-year
                  presidential appointment as a commissioner of the U.S.
                  Commodity Futures Trading Commission. He earned his degrees at
                  University of Kentucky. Dr. Seale also holds an appointment as
                  Professor of Finance at George Washington University.

                  Each Benchmark ProFund is managed by an investment team
                  chaired by Dr. Seale.

                  BANKERS TRUST COMPANY

                  The Money Market ProFund seeks to achieve its investment
                  objective by investing all of its assets in a portfolio
                  managed by Bankers Trust Company, with headquarters at 130
                  Liberty Street, New York, NY 10006. Bankers Trust makes the
                  Portfolio's investment decisions and assumes responsibility
                  for the securities the Portfolio owns. It receives a fee equal
                  to 0.05% of the average daily net assets of the Portfolio.

                  As of December 31, 1998, Bankers Trust was the eighth largest
                  bank holding company in the United States, with total assets
                  of approximately $156 billion. Bankers Trust Company is a
                  worldwide merchant bank dedicated to servicing the needs of
                  corporations, governments, financial institutions and private
                  clients through a global network of over 96 offices in more
                  than 43 countries.

                  Bankers Trust Company is a wholly owned subsidiary of Bankers
                  Trust Corporation. On November 30, 1998, Bankers Trust
                  Corporation entered into an Agreement and Plan of Merger with
                  Deutsche Bank AG under which Bankers Trust Corporation would
                  merge with and into a subsidiary of Deutsche Bank AG.

48

<PAGE>


                  Deutsche Bank AG is a major global banking institution that is
                  engaged in a wide range of financial services, including
                  investment management, mutual funds, retail and commercial
                  banking, investment banking and insurance. The transaction is
                  contingent upon various regulatory approvals, and continuation
                  of the Portfolio's advisory relationship with Bankers Trust
                  thereafter is subject to the approval of shareholders. If the
                  transaction is approved and completed, Deutsche Bank AG, as
                  Bankers Trust's new parent company, will control the
                  operations of Bankers Trust. Bankers Trust believes that,
                  under this new arrangement, the services provided to the
                  Portfolio will be maintained at their current level.

         OTHER SERVICE PROVIDERS

                  BISYS Fund Services, located at 3435 Stelzer Road, Suite 1000,
                  Columbus, Ohio 43219, acts as the administrator to the
                  ProFunds, providing operations, compliance and administrative
                  services. Each ProFund pays BISYS a fee, on a sliding scale,
                  for its administrative services. For average daily net assets
                  up to $300 million, the fee is 0.15% of the assets, and it
                  declines to 0.05% for average daily net assets of $1 billion
                  or more.

                  ProFund Advisors also performs client support and
                  administrative services for the ProFunds. The Benchmark
                  ProFunds each paid a fee of 0.15% of average daily net assets
                  for these services last year. ProFund Advisors may receive a
                  fee of 0.35% of average daily net assets from the Money Market
                  ProFund for these services and for feeder fund management,
                  administration and reporting in its relationship to the
                  Portfolio.

         YEAR 2000

                  Like other funds and business organizations around the world,
                  the ProFunds could be adversely affected if the computer
                  systems used by their investment advisors and other service
                  providers do not properly process and calculate date-related
                  information for

                                                                              49

<PAGE>

                  the Year 2000 and beyond. In addition, Year 2000 issues may
                  adversely affect companies in which the ProFunds invest, which
                  could impact the prices of the ProFunds' shares.

                  The ProFunds have been assured that their service providers
                  have developed and are implementing clearly defined and
                  documented plans intended to minimize risks to services
                  critical to the ProFunds' operations associated with Year 2000
                  issues. The service providers are likewise seeking assurances
                  from their respective vendors and suppliers that these
                  entities are addressing any Year 2000 issues.

                  In the event that any systems upon which the ProFunds depend
                  are not Year 2000 ready by December 31, 1999, administrative
                  errors and account maintenance failures would likely occur.
                  While the ultimate costs or consequences of incomplete or
                  untimely resolution of Year 2000 issues by the ProFunds'
                  service providers cannot be accurately assessed at this time,
                  the ProFunds currently have no reason to believe that the Year
                  2000 plans of the investment advisors and other service
                  providers will not be completed by December 31, 1999. The
                  ProFunds will continue to closely monitor developments
                  relating to this issue.

         OTHER INFORMATION

                  "Standard & Poor's(R)," "S&P(R)," "S&P 500(R)," "Standard &
                  Poor's 500(R)," and "500(R)" are trademarks of The McGraw-Hill
                  Companies, Inc. and have been licensed for use by ProFunds.
                  "NASDAQ 100 Index" is a trademark of the NASDAQ Stock Markets,
                  Inc. ("NASDAQ"). The ProFunds are not sponsored, endorsed,
                  sold or promoted by Standard & Poor's or NASDAQ and neither
                  Standard & Poor's nor NASDAQ makes any representation
                  regarding the advisability of investing in the Product.

                  (Please see the Statement of Additional Information which sets
                  forth certain additional disclaimers and limitations of
                  liabilities on behalf of S&P).

50

<PAGE>

                                                                       FINANCIAL
                                                                      HIGHLIGHTS

                  The following tables provide a picture of the performance
                  since inception of each share class of the ProFunds in
                  operation for a year or more as of December 31, 1998. The
                  information selected represents the rate of return that an
                  investor would have earned on an investment in the Fund,
                  assuming reinvestment of all dividends and distributions. This
                  information has been audited by Pricewaterhouse Coopers LLP,
                  independent accountants, whose report on the financial
                  statements of the ProFunds appears in the ProFunds' annual
                  report for the fiscal year ended December 31, 1998. The annual
                  report is available free of charge by phoning 888-776-3637.

                                                                              51


<PAGE>


BULL PROFUND

FINANCIAL HIGHLIGHTS
For a share of beneficial interest outstanding
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>

                                                           ADJUSTED FOR 5:1 REVERSE STOCK SPLIT
                                                     INVESTOR CLASS                    SERVICE CLASS
                                                                For the period                   For the period
                                               For the year     from December      For the year  from December 2,
                                               Ended            2, 1997(a)         Ended         1997(a)
                                               December 31,     to December 31,    December 31,  to December 31,
                                               1998             1997               1998          1997
                                               --------------------------------    ------------------------------
<S>                                            <C>              <C>                <C>           <C>
NET ASSET VALUE,                               $49.45           $50.00             $49.45        $50.00
BEGINNING OF PERIOD                            ------           ------             ------        ------
- -----------------------------------------------------------------------------------------------------------------
Net investment income                            1.63(d)          0.10               1.08(d)      --
- -----------------------------------------------------------------------------------------------------------------
Net realized and unrealized                     11.49            (0.65)             11.64         (0.55)
gain/(loss) on investment                      ------           ------             ------        ------
transactions and futures contracts
- -----------------------------------------------------------------------------------------------------------------
Total income/(loss) from                        13.12            (0.55)             12.72         (0.55)
investment operations
- -----------------------------------------------------------------------------------------------------------------
DISTRIBUTION TO SHAREHOLDERS FROM:
Net investment income                           (0.04)           --        --(e)                  --
- -----------------------------------------------------------------------------------------------------------------
Net realized gains on                           (0.05)           --                 (0.05         --
investment transactions                        ------           ------             ------        ------
and futures contracts
- -----------------------------------------------------------------------------------------------------------------
Total distributions                             (0.09)           --                 (0.05)        --
NET ASSET VALUE, END OF PERIOD                 $62.48           $49.45             $62.12        $49.45
                                               ======           ======             ======        ======
- -----------------------------------------------------------------------------------------------------------------
TOTAL RETURN                                    26.57%           (1.10%)(b)         25.68%        (1.10%)(b)
- -----------------------------------------------------------------------------------------------------------------
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of period                  $7,543,922          $46,281           $589,547           $10
- -----------------------------------------------------------------------------------------------------------------
Ratio of expenses to                             1.63%            1.33%(c)           2.67%         1.33%(c)
average net assets
- -----------------------------------------------------------------------------------------------------------------
Ratio of net investment                          2.84%            2.97%(c)           1.89%         0.00%(c)
income to average
net assets
- -----------------------------------------------------------------------------------------------------------------
Ratio of expenses to average net                 2.40%          423.48%(c)           3.30%       424.48%(c)
assets (before reimbursements)*
- -----------------------------------------------------------------------------------------------------------------
</TABLE>

  * During the period, certain fees were voluntarily reduced and/or reimbursed.
    If such voluntary fee reductions and/or reimbursements had not occurred, the
    ratio would have been as indicated.
(a) Commencement of operations.
(b) Not annualized.
(c) Annualized.
(d) Per share net investment income has been calculated using the daily average
    shares method.
(e) Distribution per share was less than $0.005

52


<PAGE>


ULTRABULL PROFUND

FINANCIAL HIGHLIGHTS
For a share of beneficial interest outstanding
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>

                                                                 ADJUSTED FOR 5:1 REVERSE STOCK SPLIT
                                                        INVESTOR CLASS                          SERVICE CLASS
                                                                   For the period                           For the period
                                               For the year        from November        For the year        from November 28,
                                               ended               28, 1997(a)          ended               1997(a)
                                               December 31,        to December 31,      December 31,        to December 31,
                                               1998                1997                 1998                1997
                                               -----------------------------------      -------------------------------------
<S>                                            <C>                 <C>                  <C>                 <C>
NET ASSET VALUE,                               $51.45              $50.00               $51.45              $50.00
BEGINNING OF PERIOD                            ------              ------               ------              ------
- -----------------------------------------------------------------------------------------------------------------------------
Net investment income                            1.55(d)             0.05                 0.95(d)             0.05
- -----------------------------------------------------------------------------------------------------------------------------
Net realized and unrealized                     20.53                1.40                20.39                1.40
gain on investment transactions                ------              ------               ------              ------
and futures contracts
- -----------------------------------------------------------------------------------------------------------------------------
Total income from                               22.08                1.45                21.34                1.45
investment operations
- -----------------------------------------------------------------------------------------------------------------------------
DISTRIBUTION TO SHAREHOLDERS FROM:
Net investment income                           (0.06)              --        --(e)                          --
- -----------------------------------------------------------------------------------------------------------------------------
Net realized gains on                           (0.03)              --                   (0.03)              --
investment transactions                        ------              ------               ------              ------
and futures contracts
- -----------------------------------------------------------------------------------------------------------------------------
Total distributions                             (0.09)              --                   (0.03)              --
- -----------------------------------------------------------------------------------------------------------------------------
NET ASSET VALUE, END OF PERIOD                 $73.44              $51.45               $72.76              $51.45
                                               ======              ======               ======              ======
- -----------------------------------------------------------------------------------------------------------------------------
TOTAL RETURN                                    42.95%              (2.90%)(b)           41.48%               2.90%(b)
- -----------------------------------------------------------------------------------------------------------------------------
RATIOS/SUPPLEMENTAL DATA:
Net assets at end of period               $90,854,397          $6,043,740          $10,991,484          $2,394,297
- -----------------------------------------------------------------------------------------------------------------------------
Ratio of expenses to                             1.50%               1.33%(c)             2.39%               1.33%(c)
average net assets
- -----------------------------------------------------------------------------------------------------------------------------
Ratio of net investment                          2.43%               2.26%(c)             1.53%               1.69%(c)
income to average
net assets
- -----------------------------------------------------------------------------------------------------------------------------
Ratio of expenses to average net                 1.70%              12.69%(c)             2.84%              13.69%(c)
assets (before reimbursements)*
- -----------------------------------------------------------------------------------------------------------------------------
</TABLE>

  * During the period, certain fees were voluntarily reduced and/or reimbursed.
    If such voluntary fee reductions and/or reimbursements had not occurred, the
    ratio would have been as indicated.
(a) Commencement of operations.
(b) Not annualized.
(c) Annualized.
(d) Per share net investment income has been calculated using the daily average
    shares method.
(e) Distribution per share was less than $0.005

                                                                              53

<PAGE>


ULTRAOTC PROFUND

FINANCIAL HIGHLIGHTS
For a share of beneficial interest outstanding
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>

                                                                 ADJUSTED FOR 5:1 REVERSE STOCK SPLIT
                                                        INVESTOR CLASS                          SERVICE CLASS
                                                                   For the period                           For the period
                                               For the year        from November        For the year        from November 28,
                                               ended               28, 1997(a)          ended               1997(a)
                                               December 31,        to December 31,      December 31,        to December 31,
                                               1998                1997                 1998                1997
                                               -----------------------------------      -------------------------------------
<S>                                            <C>                 <C>                  <C>                 <C>
NET ASSET VALUE,                               $41.80              $50.00               $41.80              $50.00
BEGINNING OF PERIOD                            ------              ------               ------              ------
- -----------------------------------------------------------------------------------------------------------------------------
Net investment income                            0.81(d)             0.30                 0.40(d)            --
- -----------------------------------------------------------------------------------------------------------------------------
Net realized and unrealized                     76.66               (8.50)               76.50               (8.20)
gain/(loss) on investment                      ------              ------               ------              ------
transactions and futures contracts
- -----------------------------------------------------------------------------------------------------------------------------
Total income/(loss) from                        77.47               (8.20)               76.90               (8.20)
investment operations
- -----------------------------------------------------------------------------------------------------------------------------
DISTRIBUTION TO SHAREHOLDERS FROM:
Net investment income                           --(e)               --                   --(e)               --
- -----------------------------------------------------------------------------------------------------------------------------
Total distributions                             --                  --                   --                  --
- -----------------------------------------------------------------------------------------------------------------------------
NET ASSET VALUE, END OF PERIOD                $119.27              $41.80              $118.70              $41.80
                                              =======              ======              =======              ======
- -----------------------------------------------------------------------------------------------------------------------------
TOTAL RETURN                                   185.34%             (16.40%)(b)          183.98%             (16.40%)(b)
- -----------------------------------------------------------------------------------------------------------------------------
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of period                 $239.017,20            $256,184          $32,391,937            $663,984
- -----------------------------------------------------------------------------------------------------------------------------
Ratio of expenses to                             1.47%               1.07%(c)             2.38%               1.75%(c)
average net assets
- -----------------------------------------------------------------------------------------------------------------------------
Ratio of net investment                          1.05%               2.73%(c)             0.07%              (0.06%)(c)
income to average
net assets
- -----------------------------------------------------------------------------------------------------------------------------
Ratio of expenses to average net                 1.67%              21.74%(c)             2.61%              23.42%(c)
assets (before reimbursements)*
- -----------------------------------------------------------------------------------------------------------------------------
PORTFOLIO TURNOVER(f)                             156%                                     156%
- -----------------------------------------------------------------------------------------------------------------------------
</TABLE>

  * During the period, certain fees were voluntarily reduced and/or reimbursed.
    If such voluntary fee reductions and/or reimbursements had not occurred, the
    ratio would have been as indicated.
(a) Commencement of operations.
(b) Not annualized.
(c) Annualized.
(d) Per share net investment income has been calculated using the daily average
    shares method.
(e) Distribution per share was less than $0.005
(f) Portfolio turnover is calculated on the basis of the fund as a whole without
    distinguishing between the classes of shares issued.

54

<PAGE>


BEAR PROFUND

FINANCIAL HIGHLIGHTS
For a share of beneficial interest outstanding

<TABLE>
<CAPTION>

                                                                 ADJUSTED FOR 5:1 REVERSE STOCK SPLIT
                                                        INVESTOR CLASS                          SERVICE CLASS
                                                                   For the period                           For the period
                                               For the year        from November        For the year        from November 28,
                                               ended               28, 1997(a)          ended               1997(a)
                                               December 31,        to December 31,      December 31,        to December 31,
                                               1998                1997                 1998                1997
                                               -----------------------------------      -------------------------------------
<S>                                            <C>                 <C>                  <C>                 <C>
NET ASSET VALUE,                               $50.00              $50.00               $50.00              $50.00
BEGINNING OF PERIOD                            ------              ------               ------              ------
- ------------------------------------------------------------------------------------------------------------------
Net investment income                            1.47(d)            --                    0.87(d)            --
- ------------------------------------------------------------------------------------------------------------------
Net realized and unrealized                    (11.22)              --                  (10.88)              --
(loss) on investment transactions              ------              ------               ------              ------
and futures contracts
- ------------------------------------------------------------------------------------------------------------------
Total (loss) from                               (9.75)              --                  (10.01)              --
investment operations
- ------------------------------------------------------------------------------------------------------------------
DISTRIBUTION TO SHAREHOLDERS FROM:
Net investment income                           (0.37)              --                   (0.23)              --
- ------------------------------------------------------------------------------------------------------------------
Net realized gains on                              --(e)            --                      --(e)            --
investment transactions                        ------              ------               ------              ------
and futures contracts
Total distributions                             (0.37)              --                   (0.23)              --
- ------------------------------------------------------------------------------------------------------------------
NET ASSET VALUE, END OF PERIOD                 $39.88              $50.00               $39.76              $50.00
                                               ======              ======               ======              ======
- ------------------------------------------------------------------------------------------------------------------
TOTAL RETURN                                   (19.46%)              0.00%(b)           (20.04%)              0.00%(b)
- ------------------------------------------------------------------------------------------------------------------
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of period                  $4,166,787          $2,516,412             $379,670                 $10
- ------------------------------------------------------------------------------------------------------------------
Ratio of expenses to                             1.54%               0.00%(c)             2.49%               0.00%(c)
average net assets
- ------------------------------------------------------------------------------------------------------------------
Ratio of net investment                          3.12%               0.00%(c)             1.90%               0.00%(c)
income to average
net assets
- ------------------------------------------------------------------------------------------------------------------
Ratio of expenses to average net                 3.26%             325.97%(c)             4.09%             326.97%(c)
assets (before reimbursements)*
- ------------------------------------------------------------------------------------------------------------------
</TABLE>

  * During the period, certain fees were voluntarily reduced and/or reimbursed.
    If such voluntary fee reductions and/or reimbursements had not occurred, the
    ratio would have been as indicated.
(a) Commencement of operations.
(b) Not annualized.
(c) Annualized.
(d) Per share net investment income has been calculated using the daily average
    shares method.
(e) Distribution per share was less than $0.005

                                                                              55

<PAGE>



ULTRABEAR PROFUND

FINANCIAL HIGHLIGHTS
For a share of beneficial interest outstanding
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>

                                                                 ADJUSTED FOR 5:1 REVERSE STOCK SPLIT
                                                        INVESTOR CLASS                          SERVICE CLASS
                                                                   For the period                           For the period
                                               For the year        from November        For the year        from November 28,
                                               ended               28, 1997(a)          ended               1997(a)
                                               December 31,        to December 31,      December 31,        to December 31,
                                               1998                1997                 1998                1997
                                               -----------------------------------      -------------------------------------
<S>                                            <C>                 <C>                  <C>                 <C>
NET ASSET VALUE,                               $51.80              $50.00               $51.75              $50.00
BEGINNING OF PERIOD                            ------              ------               ------              ------
- -----------------------------------------------------------------------------------------------------------------------------
Net investment income                            1.16(d)         6,082.50(e)              0.75(d)            --
- -----------------------------------------------------------------------------------------------------------------------------
Net realized and unrealized                    (21.04)          (6,080.70)(e)            20.67                1.75
gain/(loss) on investment                      ------              ------               ------              ------
transactions and futures contracts
- -----------------------------------------------------------------------------------------------------------------------------
Total income/(loss) from                       (19.88)               1.80               (19.92)               1.75
investment operations
- -----------------------------------------------------------------------------------------------------------------------------
DISTRIBUTION TO SHAREHOLDERS FROM:
Net investment income                           (0.04)              --                   --                  --
- -----------------------------------------------------------------------------------------------------------------------------
Total distributions                             (0.04)              --                   --                  --
- -----------------------------------------------------------------------------------------------------------------------------
NET ASSET VALUE, END OF PERIOD                 $31.88              $51.80               $31.83              $51.75
                                               ======              ======               ======              ======
- -----------------------------------------------------------------------------------------------------------------------------
TOTAL RETURN                                   (38.34%)              3.60%(b)           (38.45%)              3.50%(b)
- -----------------------------------------------------------------------------------------------------------------------------
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of period                 $27,939,876                 $21           $3,012,328                 $10
- -----------------------------------------------------------------------------------------------------------------------------
Ratio of expenses to                             1.57%               1.33%(c)             2.45%               1.33%(c)
average net assets
- -----------------------------------------------------------------------------------------------------------------------------
Ratio of net investment                          2.73%               2.97%(c)             1.74%               0.00%(c)
income to average
net assets
- -----------------------------------------------------------------------------------------------------------------------------
Ratio of expenses to average net                 1.78%              32.39%(c)             2.74%              33.39%(c)
assets (before reimbursements)*
- -----------------------------------------------------------------------------------------------------------------------------
</TABLE>

  * During the period, certain fees were voluntarily reduced and/or reimbursed.
    If such voluntary fee reductions and/or reimbursements had not occurred, the
    ratio would have been as indicated.
(a) Commencement of operations.
(b) Not annualized.
(c) Annualized.
(d) Per share net investment income has been calculated using the daily average
    shares method.
(e) The amount shown for a share outstanding throughout the period does not
    accord with the earned income or the change in aggregate gains and losses in
    the portfolio of securities during the period because of the timing of sales
    and purchases of fund shares in relation to fluctuating market values during
    the period.

56


<PAGE>


ULTRASHORT OTC PROFUND

FINANCIAL HIGHLIGHTS
For a share of beneficial interest outstanding

                                        ADJUSTED FOR 5:1 REVERSE STOCK SPLIT
                                         INVESTOR CLASS        SERVICE CLASS
                                      For the period        For the period
                                      from June 2, 1998(a)  from June 2, 1998(a)
                                      through December 31,  through December 31,
                                      1998                  1998
                                      --------------------  --------------------
NET ASSET VALUE,                           $50.00                  $50.00
BEGINNING OF PERIOD                        ------                  ------
- --------------------------------------------------------------------------------
Net investment income                        0.26(d)                 0.10(d)
- --------------------------------------------------------------------------------
Net realized and unrealized                (34.02)                 (33.86)
(loss) on investment transactions          ------                  ------
and futures contracts
- --------------------------------------------------------------------------------
Total (loss) from                          (33.76)                 (33.76)
investment operations
- --------------------------------------------------------------------------------
DISTRIBUTION TO SHAREHOLDERS FROM:
Net investment income                       --(e)                   --
- --------------------------------------------------------------------------------
Total distributions                         --                      --
- --------------------------------------------------------------------------------
NET ASSET VALUE, END OF PERIOD             $16.24                  $16.24
                                           ======                  ======
- --------------------------------------------------------------------------------
TOTAL RETURN                               (67.48%)(d)             (67.50%)(b)
- --------------------------------------------------------------------------------
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of period             $19,465,372                $855,392
- --------------------------------------------------------------------------------
Ratio of expenses to                         1.83%                   2.92%(c)
average net assets
- --------------------------------------------------------------------------------
Ratio of net investment                      1.55%                   0.54%(c)
income to average
net assets
- --------------------------------------------------------------------------------
Ratio of expenses to average net             1.98%                   3.06%(c)
assets (before reimbursements)*
- --------------------------------------------------------------------------------

  * During the period, certain fees were voluntarily reduced and/or reimbursed.
    If such voluntary fee reductions and/or reimbursements had not occurred, the
    ratio would have been as indicated.
(a) Commencement of operations.
(b) Not annualized.
(c) Annualized.
(d) Per share net investment income has been calculated using the daily average
    shares method.
(e) Distribution per share was less than $0.005

                                                                              57

<PAGE>


MONEY MARKET PROFUND

FINANCIAL HIGHLIGHTS
For a share of beneficial interest outstanding
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>

                                                                  ADJUSTED FOR 5:1 REVERSE STOCK SPLIT
                                                         INVESTOR CLASS                          SERVICE CLASS
                                                                    For the period                           For the period
                                                For the year        from November        For the year        from November 28,
                                                ended               28, 1997(a)          ended               1997(a)
                                                December 31,        to December 31,      December 31,        to December 31,
                                                1998                1997                 1998                1997
                                                -----------------------------------      -------------------------------------
<S>                                             <C>                 <C>                  <C>                 <C>
NET ASSET VALUE,                                $1.00               $1.00                $1.00               $1.00
BEGINNING OF PERIOD                             -----               -----                -----               -----
- ------------------------------------------------------------------------------------------------------------------------------
Net investment income                            0.05(d)             0.01                 0.04(d)            --
- ------------------------------------------------------------------------------------------------------------------------------
Total income from                                0.05                0.01                 0.04               --
investment operations
- ------------------------------------------------------------------------------------------------------------------------------
DISTRIBUTION TO SHAREHOLDERS FROM:
Net investment income                           (0.05)              (0.01)               (0.04)              --
- ------------------------------------------------------------------------------------------------------------------------------
Total distributions                             (0.05)              (0.01)               (0.04)              --
- ------------------------------------------------------------------------------------------------------------------------------
NET ASSET VALUE, END OF PERIOD                  $1.00               $1.00                $1.00               $1.00
                                                =====               =====                =====               =====
- ------------------------------------------------------------------------------------------------------------------------------
TOTAL RETURN                                     4.84%               0.61%(b)             3.81%               0.21%(b)
- ------------------------------------------------------------------------------------------------------------------------------
RATIOS/SUPPLEMENTAL DATA:
NET ASSETS, END OF PERIOD                 $62,026,228            $286,962          $15,406,187              $2,510
- ------------------------------------------------------------------------------------------------------------------------------
Ratio of expenses to                             0.85%(d)            0.83%(c),(e)         1.87%(d)            1.83%(c),(e)
average net assets
- ------------------------------------------------------------------------------------------------------------------------------
Ratio of net investment                          4.81%               4.92%(c)             3.43%               2.53%(c)
income to average
net assets
- ------------------------------------------------------------------------------------------------------------------------------
Ratio of expenses to average net                 1.18%(d)            9.52%(c),(e)         2.18%(d)           10.52%(c),(e)
assets (before reimbursements)*
- ------------------------------------------------------------------------------------------------------------------------------
</TABLE>

  * During the period, certain fees were voluntarily reduced and/or reimbursed.
    If such voluntary fee reductions and/or reimbursements had not occurred, the
    ratio would have been as indicated.
(a) Commencement of operations.
(b) Not annualized.
(c) Annualized.
(d) Per share net investment income has been calculated using the daily average
    shares method.
(e) The Money Market ProFund expense ratio includes the expense allocation of
    the Portfolio.

58

<PAGE>


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                                                                              59


<PAGE>


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60

<PAGE>


                  Additional information about ProFunds' investments is
                  available in ProFunds' annual and semi-annual reports to
                  shareholders. In ProFunds' annual report you will find a
                  discussion of the market conditions and investment strategies
                  that significantly affected performance during the last fiscal
                  year.

                  You can find more detailed information about ProFunds in its
                  current Statement of Additional Information, dated May 1,
                  1999, which we have filed electronically with the Securities
                  and Exchange Commission (SEC) and which is incorporated by
                  reference into, and is legally a part of, this prospectus. To
                  receive your free copy of a Statement of Additional
                  Information, or the annual or semi-annual reports, or if you
                  have questions about investing in ProFunds, write to us at:

                  PROFUNDS
                  P.O. BOX 182800
                  COLUMBUS, OH 43218-2800
                  or call our toll-free numbers:
                  (888) PRO-FNDS (888) 776-3637 FOR INVESTORS
                  (888) PRO-5717 (888) 776-5717 FINANCIAL PROFESSIONALS ONLY
                  or visit our website WWW.PROFUNDS.COM

                  You can find other information about ProFunds on the SEC's
                  website (http://www.sec.gov), or you can get copies of this
                  information, after payment of a duplicating fee, by writing to
                  the Public Reference Section of the SEC, Washington D.C.
                  20549-6009. Information about the ProFunds, including their
                  Statement of Additional Information, can be reviewed and
                  copied at the SEC's Public Reference Room in Washington, D.C.
                  For information on the Public Reference Room, call the SEC at
                  (800) SEC-0330.

                  PROFUNDS EXECUTIVE OFFICES
                  BETHESDA, MD

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811-08239
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