AMERICAN CENTURY PREMIUM RESERVES INC
497K3B, 1999-01-20
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                                  FUND PROFILE

                                  Premium Bond

                                 INVESTOR CLASS

                                January 15, 1999

                         [american century logo(reg.sm)]
                                    American
                                     Century

- --------------------------------------------------------------------------------
This profile summarizes key information about the fund that is included  in the
fund's Prospectus. The fund's Prospectus has additional  information about the
   fund, including a more detailed description of  the risks associated with
investing in the fund, that you may want  to consider before you invest. You may
   obtain the Prospectus and other  information about the fund at no cost by
 calling us at 1-800-345-2021,  accessing our Web site or visiting one of our
Investor Centers.  See the back cover for additional telephone numbers and our
                                   address.

                                 BENHAM GROUP


                         AMERICAN CENTURY INVESTMENTS

                                 PREMIUM BOND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

        Premium  Bond  seeks  a  high  level  of  income  from   investments  in
     longer-term bonds and other debt instruments.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

        The fund  managers  invest in a variety of high- and  medium-grade  debt
     securities payable in both U.S. and foreign  currencies.  Generally,  bonds
     make up at least 65% of the fund's assets, and shorter-term debt securities
     round out the portfolio.

        The fund managers primarily invest in investment-grade  securities, that
     is, securities rated in the four highest  categories by independent  rating
     organizations.  However,  the fund  managers  may invest up to 15% of their
     assets  in  fifth-category-rated  securities.  The fund  managers  also may
     invest in unrated  securities if the fund managers  determine that they are
     of equivalent credit quality.

        Three  basic  principles  of  fixed-income  investing  impact the fund's
     management.

     * Bond prices generally move in the opposite direction of interest rates.

     * The longer the maturity of a debt security, the higher its yield, but the
       greater its price volatility and risk.

     * The lower the credit  quality of a debt  security,  the higher its yield,
       but the greater its price volatility and risk.

        In light of these principles, the fund's managers pay close attention to
     the interest rate  sensitivity and credit quality of the fund's  portfolio.
     Adjusted  duration is one of the tools they use to gauge how much the value
     of the fund will change if interest  rates change.  The higher the adjusted
     duration  number,  the more the value of the fund will  change if  interest
     rates  change.  The  weighted  average  adjusted  duration  of  the  fund's
     portfolio must be 3.5 years or greater.  During periods of rising  interest
     rates, the fund's managers may adopt a shorter portfolio  duration in order
     to reduce the  effect of bond price  declines  on the  fund's  value.  When
     interest  rates are falling  and bond  prices are rising,  they may adopt a
     longer portfolio duration.

        Additional  information about Premium Bond's investments is available in
     its  annual  and  semiannual  reports.  In these  reports  you will  find a
     discussion  of  the  market  conditions  and  investment   strategies  that
     significantly affected the fund's performance during the most recent fiscal
     period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING  IN THE FUND?

     *    When interest  rates change,  the amount of income the fund  generates
          will be affected.  Generally,  when  interest  rates rise,  the fund's
          income and its share  value will  decline.  The  opposite is true when
          interest rates decline.  This interest rate risk is higher for Premium
          Bond  than for funds  that  have  shorter  weighted  average  adjusted
          durations, such as money market and short-term bond funds.

     *    The lowest rated bonds in which the fund may invest, BBB- and BB-rated
          bonds, contain some speculative characteristics. Having these bonds in
          the  fund's  portfolio  means  the  fund's  value  may go down more if
          interest  rates or other economic  conditions  change than if the fund
          contained only higher-rated bonds.

     *    As with all  funds,  at any given  time,  the value of your  shares of
          Premium Bond may be worth more or less than the price you paid. If you
          sell your shares  when the value is less than the price you paid,  you
          will lose money.

     *    An investment in the fund is not a bank deposit, and it is not insured
          or guaranteed by the Federal Deposit Insurance  Corporation  (FDIC) or
          any other government agency.

        In summary,  Premium Bond is designed for investors who want a bond fund
     with the potential for a higher level of income than is generally  provided
     by money  market or  short-term  bond funds.  Investors in the fund must be
     prepared,  however,  to weather  the  generally  greater  price  volatility
     associated with the longer-term bonds that the fund buys.


PREMIUM BOND                                       AMERICAN CENTURY INVESTMENTS


     FUND PERFORMANCE

        The following bar chart shows the actual  performance  of Premium Bond's
     shares for each calendar year since the fund's  inception on April 1, 1993.
     The bar chart  indicates the  volatility of the fund's  historical  returns
     from year to year.  Neither the bar chart nor the  performance  information
     below it is intended to indicate how the fund will perform in the future.

[bar chart]
     -------------------------------------------------------------------------
     CALENDAR YEAR-BY-YEAR RETURNS
     -------------------------------------------------------------------------
     1998       7.85%
     1997       8.85%
     1996       2.73%
     1995      20.10%
     1994      -4.10%

        The  highest  and lowest  returns  of the  fund's  shares for a calendar
     quarter during the period reflected by the preceding bar chart are provided
     in the  following  chart  to  indicate  the  fund's  historical  short-term
     volatility.  Shareholders  should be aware,  however,  that Premium Bond is
     intended  for  investors  with a  long-term  investment  horizon and is not
     managed for short-term results.

[bar chart]
     -------------------------------------------------------------------------
     HIGHEST AND LOWEST QUARTERLY RETURNS
     -------------------------------------------------------------------------
     Quarter Ended  6/30/95            6.82%
     Quarter Ended  3/31/94           -3.47%

        The following table shows the average annual return of the fund's shares
     for the periods  indicated.  The Lehman  Aggregate Bond Index, an unmanaged
     index that  reflects no  operating  costs,  is included as a benchmark  for
     performance  comparisons.  It consists  of the Lehman  Government/Corporate
     Index and the Lehman  Mortgage-Backed  Securities  Index and  reflects  the
     price  fluctuations  of  Treasury   securities,   U.S.   government  agency
     securities, corporate bond issues and mortgage-backed securities.

                                  1 YEAR       5 YEARS    LIFE OF FUND
     -------------------------------------------------------------------------
     AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED DECEMBER 31, 1998)
     -------------------------------------------------------------------------
     Premium Bond                  7.85%        6.79%         6.70%
     Lehman Aggregate Bond Index   8.69%        7.72%         7.72%

For current performance information, including yields, please call us or access
our Web site.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

        There  are no sales  loads,  fees or other  charges  to buy fund  shares
     directly from American Century, to reinvest dividends in additional shares,
     to exchange into the Investor Class shares of other American Century funds,
     or to redeem  your  shares.  The  following  table  describes  the fees and
     expenses that you will pay if you buy and hold shares of the fund.

     -------------------------------------------------------------------------
     ANNUAL FUND OPERATING EXPENSES
     (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
     -------------------------------------------------------------------------
     Management Fee                            0.45%
     Distribution and Service (12b-1) Fees     None
     Other Expenses(1)                         0.00%
     Total Annual Fund Operating Expenses      0.45%

        (1)Other expenses, which include the fees and expenses of the fund's
        independent directors, their legal counsel, interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

           EXAMPLE

              Assuming you . . .
              *   invest $10,000 in the fund
              *   redeem your shares at the end of the periods shown below
              *   earn a 5% return each year
              *   incur the same fund operating expenses shown above

               . . . your cost of investing in the fund would be:

                 1 year           3 years          5 years           10 years
                  $46              $144             $252               $566

               Of course, actual costs may be higher or lower. Use this example
               to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND  PORTFOLIO MANAGERS?

        American  Century  Investment   Management,   Inc.  provides  investment
     advisory and management  services for the fund. American Century uses teams
     of portfolio  managers,  assistant  portfolio managers and analysts working
     together to manage its mutual funds. The portfolio  managers on the Premium
     Bond team are identified below:

        NORMAN E. HOOPS, Senior Vice President and Portfolio Manager, has been a
     member of the team that manages  Premium Bond since its  inception in April
     1993. He joined American Century as Vice President and Portfolio Manager in
     November  1989. In April 1993, he became  Senior Vice  President.  He has a
     bachelor of arts from Indiana University and an MBA from Butler University


FUND PROFILE                                                       PREMIUM BOND


        JEFFREY L.  HOUSTON,  Portfolio  Manager,  has been a member of the team
     that manages  Premium Bond since June 1995. He joined  American  Century in
     1990 as an  Investment  Analyst  and  was  promoted  in  1994 to  Portfolio
     Manager.  He has a bachelor of arts from the  University of Delaware and an
     MBA from Syracruse University. He is a Chartered Financial Analyst.

6. HOW DO I BUY FUND SHARES?

    *   Complete and return the enclosed application
    *   Call us and exchange shares from another American Century fund
    *   Call us and send your investment by bank wire transfer

        Your initial investment must be at least $100,000.  If the value of your
     account  falls  below this  account  minimum,  your  shares may be redeemed
     involuntarily.

7. HOW DO I SELL FUND SHARES?

        You may sell all or part of your  fund  shares  on any  business  day by
     writing or calling us. You also may  exchange  your shares in Premium  Bond
     for shares in nearly 70 other  mutual  funds  offered by American  Century.
     Depending  on the  options  you  select  when you open your  account,  some
     restrictions  may apply.  For your  protection,  some  redemption  requests
     require a signature guarantee.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

     Dividends of net income are declared and  available for  redemption  daily.
They will be paid  monthly on the last Friday of each month.  Premium  Bond pays
distributions  of  realized  capital  gains,  if any,  once a year,  usually  in
December.  Distributions  may be taxable as ordinary income,  capital gains or a
combination of the two.  Capital gains are taxed at different rates depending on
the length of time the fund held the  securities  that were sold.  Distributions
are  reinvested  automatically  in additional  shares unless you choose  another
option.

9. WHAT SERVICES ARE AVAILABLE?

        American Century offers several ways to make it easier for you to manage
     your account, such as:

     *  telephone transactions
     *  wire and electronic funds transfers
     *  24-hour Automated Information Line transactions
     *  24-hour online Internet account access and transactions

        You will find more  information  about  these  choices  in our  Investor
     Services Guide, which you may request by calling us, accessing our Web site
     or visiting one of our Investor Centers.

        Information  contained  in  our  Investor  Services  Guide  pertains  to
     shareholders  who invest directly with American Century rather than through
     an employer-sponsored retirement plan or through a financial intermediary

        If  you  own  or are  considering  purchasing  fund  shares  through  an
     employer-sponsored retirement plan or financial intermediary,  your ability
     to purchase shares of the fund,  exchange them for shares of other American
     Century  funds,  and redeem  them will  depend on the terms of your plan or
     financial  intermediary.  If  you  have  questions  about  investing  in an
     employer-sponsored  retirement  plan or through a  financial  intermediary,
     call an Institutional Service Representative at 1-800-345-3533.

- --------------------------------------------------------------------------------
[american century logo(reg.sm)]
American
Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

WWW.AMERICANCENTURY.COM

INVESTOR SERVICES
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

CORPORATE; NOT-FOR-PROFIT; FOUNDATIONS; ENDOWMENTS; KEOGH; SEP- , SARSEP- , AND
SIMPLE-IRA; AND 403(B) SERVICES
1-800-345-3533

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

FAX
816-340-7962

SH-PRF-14844   9901                                     Funds Distributor, Inc.
<PAGE>
                                 FUND PROFILE

                            Premium Capital Reserve

                                INVESTOR CLASS

                               January 15, 1999

                        [american century logo(reg.sm)]
                                    American
                                    Century

- --------------------------------------------------------------------------------
This profile summarizes key information about the fund that is included  in the
fund's Prospectus. The fund's Prospectus has additional  information about the
   fund, including a more detailed description of  the risks associated with
investing in the fund, that you may want  to consider before you invest. You may
   obtain the Prospectus and other  information about the fund at no cost by
 calling us at 1-800-345-2021,  accessing our Web site or visiting one of our
Investor Centers.  See the back cover for additional telephone numbers and our
                                   address.

                                 BENHAM GROUP


                         AMERICAN CENTURY INVESTMENTS

                            PREMIUM CAPITAL RESERVE

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

        Premium  Capital  Reserve is a money  market fund that seeks to earn the
     highest  level  of  current  income  while  preserving  the  value  of your
     investment.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

        The fund earns its income by investing in high-quality,  cash-equivalent
     securities.   These   securities  are  short-term   obligations  of  banks,
     governments and corporations that are payable in U.S. dollars.

        Additional  information about Premium Capital  Reserve's  investments is
     available in its annual and semiannual  reports.  In these reports you will
     find a discussion of the market  conditions and investment  strategies that
     significantly affected the fund's performance during the most recent fiscal
     period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING  IN THE FUND?

     *    An investment in the fund is not a bank deposit, and it is not insured
          or guaranteed by the Federal Deposit Insurance  Corporation  (FDIC) or
          any other government  agency.  Although the fund seeks to preserve the
          value of your  investment  at $1.00 per share,  it is possible to lose
          money by investing in the fund.

     *    Because  cash-equivalent  securities  are among the safest  securities
          available, the interest they pay is among the lowest for income-paying
          securities.  Accordingly,  the yield on this fund will likely be lower
          than for funds that invest in longer-term or lower-quality securities.

     FUND PERFORMANCE

        The following bar chart shows the actual  performance of Premium Capital
     Reserve's shares for each calendar year since the fund's inception on April
     1, 1993. The bar chart  indicates the  volatility of the fund's  historical
     returns  from  year to year.  Neither  the bar  chart  nor the  performance
     information  below it is intended to indicate  how the fund will perform in
     the future.

[bar chart]
     -------------------------------------------------------------------------
     CALENDAR YEAR-BY-YEAR RETURNS
     -------------------------------------------------------------------------
     1998      5.29%
     1997      5.31%
     1996      5.16%
     1995      5.70%
     1994      3.97%

        The  highest  and lowest  returns  of the  fund's  shares for a calendar
     quarter during the period reflected by the preceding bar chart are provided
     in the  following  chart  to  indicate  the  fund's  historical  short-term
     volatility.

[bar chart]
     -------------------------------------------------------------------------
     HIGHEST AND LOWEST QUARTERLY RETURNS
     -------------------------------------------------------------------------
     Quarter Ended  6/30/95            1.43%
     Quarter Ended  3/31/94            0.72%


PREMIUM CAPITAL RESERVE                            AMERICAN CENTURY INVESTMENTS


        The following table shows the average annual return of the fund's shares
     for the periods  indicated.  The 90-Day  Treasury Bill Index,  an unmanaged
     index that  reflects no  operating  costs,  is included as a benchmark  for
     performance comparisons. It is derived from secondary market interest rates
     as published by the Federal Reserve Bank.


                                1 YEAR       5 YEARS     LIFE OF FUND
     -------------------------------------------------------------------------
     AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED DECEMBER 31, 1998)
     -------------------------------------------------------------------------
     Premium Capital Reserve     5.29%        5.09%         4.78%
     90 Day Treasury Bill Index  4.50%        4.95%         4.70%

     For current performance information, including yields, please call us or
     access our Web site.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

        There  are no sales  loads,  fees or other  charges  to buy fund  shares
     directly from American Century, to reinvest dividends in additional shares,
     to exchange into the Investor Class shares of other American Century funds,
     or to redeem  your  shares.  The  following  table  describes  the fees and
     expenses that you will pay if you buy and hold shares of the fund.

     -------------------------------------------------------------------------
     ANNUAL FUND OPERATING EXPENSES
     (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
     -------------------------------------------------------------------------
     Management Fee                            0.45%
     Distribution and Service (12b-1) Fees     None
     Other Expenses(1)                         0.00%
     Total Annual Fund Operating Expenses      0.45%

        (1)Other expenses, which include the fees and expenses of the fund's
        independent directors, their legal counsel, interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

           EXAMPLE

              Assuming you . . .
              *   invest $10,000 in the fund
              *   redeem your shares at the end of the periods shown below
              *   earn a 5% return each year
              *   incur the same fund operating expenses shown above

               . . . your cost of investing in the fund would be:

                 1 year           3 years          5 years           10 years
                  $46              $144             $252               $566

               Of course, actual costs may be higher or lower. Use this example
               to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND  PORTFOLIO MANAGERS?

        American  Century  Investment   Management,   Inc.  provides  investment
     advisory and management  services for the fund. American Century uses teams
     of portfolio  managers,  assistant  portfolio managers and analysts working
     together to manage its mutual funds. The portfolio  managers on the Premium
     Capital Reserve team are identified below:

        JOHN F.  WALSH,  Portfolio  Manager,  has been a member of the team that
     manages Premium Capital Reserve since May 1997. He joined American  Century
     in February  1996 as an  Investment  Analyst,  a position he held until May
     1997. At that time he was promoted to Portfolio  Manager.  Prior to joining
     American  Century,  Mr.  Walsh served as an Assistant  Vice  President  and
     Analyst  at  First  Interstate  Bank,  Los  Angeles,  California.  He has a
     bachelor's  degree in marketing from Loyola Marymount and an MBA in finance
     from Creighton University.

        DENISE TABACCO,  Portfolio  Manager,  has been a member of the team that
     manages  Premium  Capital  Reserve since November 1996. She joined American
     Century in 1988, becoming a member of its portfolio  department in 1991. In
     1995 she  assumed her current  position as a Portfolio  Manager.  She has a
     bachelor's  degree in accounting from San Diego State University and an MBA
     degree in finance from Golden Gate University

6. HOW DO I BUY FUND SHARES?

    *   Complete and return the enclosed application
    *   Call us and exchange shares from another American Century fund
    *   Call us and send your investment by bank wire transfer

        Your initial investment must be at least $100,000.  If the value of your
     account  falls  below this  account  minimum,  your  shares may be redeemed
     involuntarily.

7. HOW DO I SELL FUND SHARES?

        You may sell all or part of your  fund  shares  on any  business  day by
     writing or calling us. You also may exchange your shares in Premium Capital
     Reserve  for shares in nearly 70 other  mutual  funds  offered by  American
     Century.  Depending  on the options you select when you open your  account,
     some restrictions may apply. For your protection,  some redemption requests
     require a signature guarantee.


FUND PROFILE                                            PREMIUM CAPITAL RESERVE


8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

        Dividends are declared and available for redemption  daily.  Because the
     fund is a money market fund, its  distributions  generally will be taxed as
     ordinary  income.  If the fund's  share  price  were to go up or down,  its
     annual   distributions   also  could  include   capital  gains  or  losses.
     Distributions are reinvested  automatically in additional shares unless you
     choose another option.

9. WHAT SERVICES ARE AVAILABLE?

        American Century offers several ways to make it easier for you to manage
     your account, such as:

     *  telephone transactions
     *  wire and electronic funds transfers
     *  24-hour Automated Information Line transactions
     *  24-hour online Internet account access and transactions

        You will find more  information  about  these  choices  in our  Investor
     Services Guide, which you may request by calling us, accessing our Web site
     or visiting one of our Investor Centers.

        Information  contained  in  our  Investor  Services  Guide  pertains  to
     shareholders  who invest directly with American Century rather than through
     an employer-sponsored retirement plan or through a financial intermediary

        If  you  own  or are  considering  purchasing  fund  shares  through  an
     employer-sponsored retirement plan or financial intermediary,  your ability
     to purchase shares of the fund,  exchange them for shares of other American
     Century  funds,  and redeem  them will  depend on the terms of your plan or
     financial  intermediary.  If  you  have  questions  about  investing  in an
     employer-sponsored  retirement  plan or through a  financial  intermediary,
     call an Institutional Service Representative at 1-800-345-3533.


- --------------------------------------------------------------------------------
[american century logo(reg.sm)]
American
Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

WWW.AMERICANCENTURY.COM

INVESTOR SERVICES
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

CORPORATE; NOT-FOR-PROFIT; FOUNDATIONS; ENDOWMENTS; KEOGH; SEP- , SARSEP- , AND
SIMPLE-IRA; AND 403(B) SERVICES
1-800-345-3533

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

FAX
816-340-7962

SH-PRF-14845   9901                                     Funds Distributor, Inc.
<PAGE>
                                 FUND PROFILE

                          Premium Government Reserve

                                INVESTOR CLASS

                               January 15, 1999

                        [american century logo(reg.sm)]
                                    American
                                    Century

- --------------------------------------------------------------------------------
This profile summarizes key information about the fund that is included  in the
fund's Prospectus. The fund's Prospectus has additional  information about the
   fund, including a more detailed description of  the risks associated with
investing in the fund, that you may want  to consider before you invest. You may
   obtain the Prospectus and other  information about the fund at no cost by
 calling us at 1-800-345-2021,  accessing our Web site or visiting one of our
Investor Centers.  See the back cover for additional telephone numbers and our
                                   address.

                                 BENHAM GROUP


                         AMERICAN CENTURY INVESTMENTS

                          PREMIUM GOVERNMENT RESERVE

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

        Premium Government Reserve is a money market fund that seeks to earn the
     highest  level  of  current  income  while  preserving  the  value  of your
     investment.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

        The  fund  earns  its  income  by  investing  in  very  short-term  U.S.
     government  securities.  These securities are short-term obligations of the
     U.S. government, its agencies and instrumentalities.

        Additional information about Premium Government Reserve's investments is
     available in its annual and semiannual  reports.  In these reports you will
     find a discussion of the market  conditions and investment  strategies that
     significantly affected the fund's performance during the most recent fiscal
     period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING  IN THE FUND?

     *    An investment in the fund is not a bank deposit, and it is not insured
          or guaranteed by the Federal Deposit Insurance  Corporation  (FDIC) or
          any other government  agency.  Although the fund seeks to preserve the
          value of your  investment  at $1.00 per share,  it is possible to lose
          money by investing in the fund.

     *    Because very  short-term  securities  are among the safest  securities
          available, the interest they pay is among the lowest for income-paying
          securities.  Accordingly,  the yield on this fund will likely be lower
          than for funds that invest in longer-term or lower-quality securities.

     FUND PERFORMANCE

        The  following  bar  chart  shows  the  actual  performance  of  Premium
     Government  Reserve's  shares  for each  calendar  year  since  the  fund's
     inception on April 1, 1993.  The bar chart  indicates the volatility of the
     fund's historical  returns from year to year. Neither the bar chart nor the
     performance  information below it is intended to indicate how the fund will
     perform in the future.

[bar chart]
     -------------------------------------------------------------------------
     CALENDAR YEAR-BY-YEAR RETURNS
     -------------------------------------------------------------------------
     1998       5.15%
     1997       5.20%
     1996       5.10%
     1995       5.63%
     1994       3.90%

        The  highest  and lowest  returns  of the  fund's  shares for a calendar
     quarter during the period reflected by the preceding bar chart are provided
     in the  following  chart  to  indicate  the  fund's  historical  short-term
     volatility.

[bar chart]
     -------------------------------------------------------------------------
     HIGHEST AND LOWEST QUARTERLY RETURNS
     -------------------------------------------------------------------------
     Quarter Ended  6/30/95            1.42%
     Quarter Ended  3/31/94           -0.69%

        The following table shows the average annual return of the fund's shares
     for the periods  indicated.  The 90-Day  Treasury Bill Index,  an unmanaged
     index that  reflects no  operating  costs,  is included as a benchmark  for
     performance  comparisons.  The  index  is  derived  from  secondary  market
     interest rates as published by the Federal Reserve Bank.


PREMIUM GOVERNMENT RESERVE                          AMERICAN CENTURY INVESTMENTS


                                 1 YEAR       5 YEARS     LIFE OF FUND
     -------------------------------------------------------------------------
     AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED DECEMBER 31, 1998)
     -------------------------------------------------------------------------
     Premium Government Reserve   5.15%        4.99%         4.69%
     90-Day Treasury Bill Index   4.50%        4.95%         4.70%

     For current performance information, including yields, please call us or
     access our Web site.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

        There  are no sales  loads,  fees or other  charges  to buy fund  shares
     directly from American Century, to reinvest dividends in additional shares,
     to exchange into the Investor Class shares of other American Century funds,
     or to redeem  your  shares.  The  following  table  describes  the fees and
     expenses that you will pay if you buy and hold shares of the fund.

     -------------------------------------------------------------------------
     ANNUAL FUND OPERATING EXPENSES
     (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
     -------------------------------------------------------------------------
     Management Fee                            0.45%
     Distribution and Service (12b-1) Fees     None
     Other Expenses(1)                         0.00%
     Total Annual Fund Operating Expenses      0.45%

        (1)Other expenses, which include the fees and expenses of the fund's
        independent directors, their legal counsel, interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

           EXAMPLE

              Assuming you . . .
              *   invest $10,000 in the fund
              *   redeem your shares at the end of the periods shown below
              *   earn a 5% return each year
              *   incur the same fund operating expenses shown above

                . . . your cost of investing in the fund would be:

                 1 year           3 years          5 years           10 years
                  $46              $144             $252               $566

               Of course, actual costs may be higher or lower. Use this example
               to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR  AND PORTFOLIO MANAGERS?

        American  Century  Investment   Management,   Inc.  provides  investment
     advisory and management  services for the fund. American Century uses teams
     of portfolio  managers,  assistant  portfolio managers and analysts working
     together to manage its mutual funds. The portfolio  managers on the Premium
     Government Reserve team are identified below:

        AMY  O'DONNELL,  Portfolio  Manager,  has been a member of the team that
     manages  Premium  Government  Reserve since April 1997. She joined American
     Century in 1987, becoming a member of its portfolio  department in 1988. In
     1992 she  assumed her current  position as a Portfolio  Manager.  She has a
     bachelor's  degree in business  administration  and an MBA in finance  from
     California State University - Hayward.

        DENISE TABACCO,  Portfolio  Manager,  has been a member of the team that
     manages Premium Government Reserve since November 1996. She joined American
     Century in 1988, becoming a member of its portfolio  department in 1991. In
     1995 she  assumed her current  position as a Portfolio  Manager.  She has a
     bachelor's  degree in accounting from San Diego State University and an MBA
     in finance from Golden Gate University

6. HOW DO I BUY FUND SHARES?

    *   Complete and return the enclosed application
    *   Call us and exchange shares from another American Century fund
    *   Call us and send your investment by bank wire transfer

        Your initial investment must be at least $100,000.  If the value of your
     account  falls  below this  account  minimum,  your  shares may be redeemed
     involuntarily.

7. HOW DO I SELL FUND SHARES?

        You may sell all or part of your  fund  shares  on any  business  day by
     writing  or  calling  us.  You also may  exchange  your  shares in  Premium
     Government  Reserve for shares in nearly 70 other mutual  funds  offered by
     American  Century.  Depending  on the options you select when you open your
     account, some restrictions may apply. For your protection,  some redemption
     requests require a signature guarantee.


FUND PROFILE                                         PREMIUM GOVERNMENT RESERVE


8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

        Dividends are declared and available for redemption  daily.  Because the
     fund is a money market fund, its  distributions  generally will be taxed as
     ordinary  income.  If the fund's  share  price  were to go up or down,  its
     annual   distributions   also  could  include   capital  gains  or  losses.
     Distributions are reinvested  automatically in additional shares unless you
     choose another option.

9. WHAT SERVICES ARE AVAILABLE?

        American Century offers several ways to make it easier for you to manage
     your account, such as:

     *  telephone transactions
     *  wire and electronic funds transfers
     *  24-hour Automated Information Line transactions
     *  24-hour online Internet account access and transactions

        You will find more  information  about  these  choices  in our  Investor
     Services Guide, which you may request by calling us, accessing our Web site
     or visiting one of our Investor Centers.

        Information  contained  in  our  Investor  Services  Guide  pertains  to
     shareholders  who invest directly with American Century rather than through
     an employer-sponsored retirement plan or through a financial intermediary

        If  you  own  or are  considering  purchasing  fund  shares  through  an
     employer-sponsored retirement plan or financial intermediary,  your ability
     to purchase shares of the fund,  exchange them for shares of other American
     Century  funds,  and redeem  them will  depend on the terms of your plan or
     financial  intermediary.  If  you  have  questions  about  investing  in an
     employer-sponsored  retirement  plan or through a  financial  intermediary,
     call an Institutional Service Representative at 1-800-345-3533.

- --------------------------------------------------------------------------------
[american century logo(reg.sm)]
American
Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

WWW.AMERICANCENTURY.COM

INVESTOR SERVICES
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

CORPORATE; NOT-FOR-PROFIT; FOUNDATIONS; ENDOWMENTS; KEOGH; SEP- , SARSEP- , AND
SIMPLE-IRA; AND 403(B) SERVICES
1-800-345-3533

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

FAX
816-340-7962

SH-PRF-14846   9901                                     Funds Distributor, Inc.


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