AMERICAN CENTURY PREMIUM RESERVES INC
497K3B, 1999-07-22
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[front cover]

AMERICAN CENTURY

Fund Profile

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

Premium Capital Reserve Fund

This profile  summarizes key information  about the fund that is included in the
  fund's Prospectus. The fund's Prospectus includes 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.

  [photos of woman and girls blowing bubbles, men talking, woman at computer]

                                                                   July 26, 1999

                                                                  INVESTOR CLASS

 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.


PREMIUM CAPITAL RESERVE FUND

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  include  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  high-quality,  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.  The bar chart and the  performance  information
    below are not intended to indicate how the fund will perform in the future

    [data shown in bar chart]
    Calendar Year-By-Year Returns (1)
       1998     5.29%
       1997     5.31%
       1996     5.16%
       1995     5.70%
       1994     3.97%

     (1) As of June 30,  1999,  the end of the  most  recent  calendar  quarter,
     Premium Capital Reserve's year-to-date return was 2.30%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
                              -------                 ------
    Premium Capital
    Reserve                   1.43% (2Q 1995)         0.72% (1Q 1994)

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


                                          1 YEAR    5 YEARS    LIFE OF FUND(1)
                                          ------    -------    ---------------

      AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED JUNE 30, 1999)
      ---------------------------------------------------------
        Premium Capital Reserve           4.97%      5.23%        4.77%

        90-Day Treasury Bill Index        4.58%      5.11%        4.75%

        (1) The inception date for Premium Capital Reserve is April 1, 1993.

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 fund

    * to redeem your shares


Premium Capital Reserve                       American Century Investments


    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 and interest, were less than
        0.005% for the most recent fiscal year.

           EXAMPLE

             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below
             * earn a 5% return each year
             * incur the same operating expenses as 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.  Identified  below is the  portfolio
    manager for the Premium Capital Reserve team:

    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.

6. HOW DO I BUY FUND SHARES?

    American Century offers several ways to purchase shares

    * Complete  and return the  enclosed  application  along with an  investment
    check payable to American Century Investments

    * If you already have an American Century account, call us or access our Web
    site to 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 your  redemption
    activity  causes  the  value of your  account  to fall  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.


Premium Capital Reserve                                        Fund Profile


8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

    Dividends are declared and available for redemption daily. They will be paid
    monthly on the last Friday of each month. 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  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 Your Guide to American
    Century  Services,  which you may request by calling us,  accessing  our Web
    site or visiting one of our Investor Centers.

    Information  contained in the services  guide pertains to  shareholders  who
    invest   directly   with   American   Century   rather   than   through   an
    employer-sponsored retirement plan or 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
    a 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

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

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

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

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-353

Visit our Web site at WWW.AMERICANCENTURY.COM


SH-PRF-16977   9907                                   Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY

Fund Profile

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

Premium Government Reserve Fund

This profile  summarizes key information  about the fund that is included in the
  fund's Prospectus. The fund's Prospectus includes 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.

  [photos of woman and girls blowing bubbles, men talking, woman at computer]

                                                                   July 26, 1999

                                                                  INVESTOR CLASS

 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.


PREMIUM GOVERNMENT RESERVE FUND

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 may include direct  obligations of the United
    States,  such as  Treasury  bills,  notes and bonds.  They may also  include
    obligations,  such as mortgage-related  securities,  issued or guaranteed by
    agencies and instrumentalities of the U.S. government.

    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 U.S.  government  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.  The bar chart and the  performance  information
    below are not intended to indicate how the fund will perform in the future.

    [data shown in bar chart]
    Calendar Year-By-Year Returns (1)
       1998     5.15%
       1997     5.20%
       1996     5.10%
       1995     5.63%
       1994     3.90%

        (1) As of June 30, 1999,  the end of the most recent  calendar  quarter,
        Premium Government Reserve's year-to-date return was 2.23%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
                              -------                 ------
    Premium Government
    Reserve                   1.42% (2Q 1995)         0.69% (1Q 1994)

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

                                           1 YEAR     5 YEARS    LIFE OF FUND(1)
                                           ------     -------    ---------------

     AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED JUNE 30, 1999)
     ---------------------------------------------------------
        Premium Government Reserve         4.80%       5.13%         4.68%

        90-Day Treasury Bill Index         4.58%       5.11%         4.75%

        (1) The inception date for Premium Government Reserve is April 1, 1993.


Premium Government Reserve                        American Century Investments


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 fund

    * 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 and interest, were less than
        0.005% for the most recent fiscal year.

           EXAMPLE

             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below
             * earn a 5% return each year
             * incur the same operating expenses as 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.  Identified  below are the  portfolio
    managers for the Premium Government Reserve team:

    BETH BUNNELL HUNTER,  Portfolio Manager,  has been a member of the team that
    manages Premium  Government  Reserve since joining  American Century in July
    1999.  Before  joining  American  Century,  she  worked  for  Calvert  Asset
    Management Company as a Portfolio Trading Analyst from 1994 to 1996 and as a
    Portfolio  Manager  from 1996 to June 1999.  She has a bachelor of arts from
    the University of Washington-Seattle.

    DENISE  TABACCO,  Portfolio  Manager,  has  been a  member  of  the  Premium
    Government  Reserve team since November 1995. She joined American Century in
    1988,  becoming  a member  of its  portfolio  department  in  1991.  She was
    promoted  to  Portfolio  Manager  in 1995.  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?

    American Century offers several ways to purchase shares

    * Complete  and return the  enclosed  application  along with an  investment
    check payable to American Century Investments

    * If you already have an American Century account, call us or access our Web
    site to 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 your  redemption
    activity  causes  the  value of your  account  to fall  below  this  account
    minimum, your shares may be redeemed involuntarily.


Premium Government Reserve                                       Fund Profile


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.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

    Dividends are declared and available for redemption daily. They will be paid
    monthly on the last Friday of each month. 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  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 Your Guide to American
    Century  Services,  which you may request by calling us,  accessing  our Web
    site or visiting one of our Investor Centers.

    Information  contained in the services  guide pertains to  shareholders  who
    invest   directly   with   American   Century   rather   than   through   an
    employer-sponsored retirement plan or 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
    a 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

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

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

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

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-353

Visit our Web site at WWW.AMERICANCENTURY.COM


SH-PRF-16975   9907                                   Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY

Fund Profile

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

Premium Bond Fund

This profile  summarizes key information  about the fund that is included in the
  fund's Prospectus. The fund's Prospectus includes 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.

  [photos of woman and girls blowing bubbles, men talking, woman at computer]

                                                                   July 26, 1999

                                                                  INVESTOR CLASS

 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.


PREMIUM BOND FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    Premium  Bond  seeks a high  level  of  income  by  investing  primarily  in
    non-money market debt securities.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund  managers  invest  primarily in high- and  medium-grade,  non-money
    market debt securities.  These  securities,  which may be payable in U.S. or
    foreign  currencies,  may  include  corporate  bonds and  notes,  government
    securities and securities backed by mortgages or other assets.  Shorter-term
    debt securities round out the portfolio.

    The fund  managers  primarily  invest in quality debt  securities,  that is,
    securities  rated in the  four  highest  categories  by  independent  rating
    organizations. However, the fund managers may invest up to 15% of the fund's
    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 managers pay close attention to the
    interest  rate  sensitivity  and credit  quality  of the  fund's  portfolio.
    Weighted average maturity 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
    weighted average maturity number, the more the value of the fund will change
    if  interest  rates  change.  The  weighted  average  maturity of the fund's
    portfolio  must be three and  one-half  years or longer.  During  periods of
    rising  interest  rates,  the fund  managers  may adopt a shorter  portfolio
    maturity 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 maturity.

    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 fund's  share value will be  affected.
    Generally,  when interest  rates rise,  the fund's 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
    maturities, 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.

    * The fund may invest in debt securities  backed by mortgages or assets such
    as credit card receivables.  These underlying obligations may be prepaid, as
    when a  homeowner  refinances  a mortgage  to take  advantage  of  declining
    interest rates. If so, the fund must reinvest  prepayments at current rates,
    which may be less than the rate of the  prepaid  mortgage.  Because  of this
    prepayment  risk,  the fund may benefit less from  declining  interest rates
    than funds of similar  maturity  that invest less heavily in  mortgage-  and
    asset-backed securities.

    * The fund's  share value will  fluctuate.  In general,  the funds that have
    higher  potential income have higher potential loss. 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 debt securities 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. The bar chart and the  performance  information  below are not
    intended to indicate how the fund will perform in the future.

    [data shown in bar chart]
    Calendar Year-By-Year Returns (1)
       1998     7.85%
       1997     8.85%
       1996     2.73%
       1995     20.10%
       1994     -4.10%

        (1) As of June 30, 1999,  the end of the most recent  calendar  quarter,
        Premium Bond's year-to-date return was -1.58%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
                              -------                 ------
    Premium Bond              6.82% (2Q 1995)         -3.47% (1Q 1994)

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

                                 1 YEAR        5 YEARS      LIFE OF FUND(1)
                                 ------        -------      ---------------

     AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED JUNE 30, 1999)
     ---------------------------------------------------------
         Premium Bond            2.34%         7.50%          5.88%

         Lehman Aggregate
            Bond Index           3.15%         7.83%          6.44%

        (1) The inception date for Premium Bond is April 1, 1993.

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 fund

    * 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 and interest, were less than
        0.005% for the most recent fiscal year.

           EXAMPLE

             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below
             * earn a 5% return each year
             * incur the same operating expenses as 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. Identified on the following page is the
    portfolio manager for the Premium Bond team:


Premium Bond                                                   Fund Profile


    JEFFREY L. HOUSTON,  Vice President and Portfolio Manager, has been a member
    of the Premium Bond team 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 MPA from
    Syracuse University. He is a Chartered Financial Analyst.

6. HOW DO I BUY FUND SHARES?

    American Century offers several ways to purchase shares

    * Complete  and return the  enclosed  application  along with an  investment
    check payable to American Century Investments

    * If you already have an American Century account, call us or access our Web
    site to 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 your  redemption
    activity  causes  the  value of your  account  to fall  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 Your Guide to American
    Century  Services,  which you may request by calling us,  accessing  our Web
    site or visiting one of our Investor Centers.

    Information  contained in the services  guide pertains to  shareholders  who
    invest   directly   with   American   Century   rather   than   through   an
    employer-sponsored retirement plan or 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
    a 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

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

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

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

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-353

Visit our Web site at   WWW.AMERICANCENTURY.COM


SH-PRF-16976   9907                                   Funds Distributor, Inc.


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