AMERICAN CENTURY PREMIUM RESERVES INC
485BPOS, 1997-07-30
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      As filed with the Securities and Exchange Commission on July 30, 1997


             1933 Act File No. 33-57430; 1940 Act File No. 811-7446

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

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM N-1A

REGISTRATION STATEMENT
UNDER THE SECURITIES ACT OF 1933

         Pre-Effective Amendment No.

         Post-Effective Amendment No.     __6__                  __X__


REGISTRATION STATEMENT
UNDER THE INVESTMENT COMPANY ACT OF 1940

         Amendment No.   __6__                                   __X__
                        (Check appropriate box or boxes.)


                     AMERICAN CENTURY PREMIUM RESERVES, INC.
                ------------------------------------------------
               (Exact Name of Registrant as Specified in Charter)

         American Century Tower, 4500 Main Street, Kansas City, MO 64111
   -----------------------------------------------------------------------
  (Address of Principal Executive Offices)                       (Zip Code)


        Registrant's Telephone Number, Including Area Code (816) 531-5575

                              James E. Stowers III
         American Century Tower, 4500 Main Street, Kansas City, MO 64111
        -----------------------------------------------------------------
                     (Name and address of Agent for Service)

           Approximate Date of Proposed Public Offering August 1, 1997

It is proposed that this filing will become effective (check appropriate box)
_____ immediately upon filing pursuant to paragraph (b) of Rule 485 
__X__ on August 1, 1997 pursuant to paragraph (b) of Rule 485 
_____ 60 days after filing pursuant to paragraph (a) of Rule 485 
_____ on (date) pursuant to paragraph (a) of Rule 485 
_____ 75 days after filing pursuant to paragraph (a)(2) of Rule 485
_____ on (date) pursuant to paragraph (a)(2) of Rule 485


The Registrant has registered an indefinite number or amount of securities under
the Securities Act of 1933 pursuant to Rule 24f-2. The Rule 24f-2 notice for the
fiscal year ended March 31, 1997, was filed on May 30, 1997.

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<PAGE>
================================================================================
                              Cross Reference Sheet
- --------------------------------------------------------------------------------
Item No.                                                              Page No.
================================================================================
                                                                     
Part A.                                                              Prospectus 
- --------------------------------------------------------------------------------
     1.     Cover Page                                               Cover Page 
- --------------------------------------------------------------------------------
     2.     Synopsis                                                     N/A    
- --------------------------------------------------------------------------------
     3.     Condensed Financial Information                              5-7 
- --------------------------------------------------------------------------------
     4.     General Description of Registrant                        Cover Page,
                                                                     8-16, 27-28
- --------------------------------------------------------------------------------
     5.     Management of the Fund                                      26-27
- --------------------------------------------------------------------------------
     6.     Capital Stock and Other Securities                          24-28
- --------------------------------------------------------------------------------
     7.     Purchase of Securities Being Offered                     Cover Page,
                                                                      17-18, 23 
- --------------------------------------------------------------------------------
     8.     Redemption or Repurchase                                    19-20
- --------------------------------------------------------------------------------
     9.     Pending Legal Proceedings                                    N/A 
- --------------------------------------------------------------------------------
Part B. - Statement of Additional Information
- --------------------------------------------------------------------------------
     10.    Cover Page                                               Cover Page
- --------------------------------------------------------------------------------
     11.    Table of Contents                                             1
- --------------------------------------------------------------------------------
     12.    General Information and History                              N/A
- --------------------------------------------------------------------------------
     13.    Investment Objectives and Policies                           2-10
- --------------------------------------------------------------------------------
     14.    Management of the Fund                                      10-12
- --------------------------------------------------------------------------------
     15.    Control Persons and Principal Holders of Securities
                                                                          13
- --------------------------------------------------------------------------------
     16.    Investment Advisory and Other Services                      11-12
- --------------------------------------------------------------------------------
     17.    Brokerage Allocation                                          14   
- --------------------------------------------------------------------------------
     18.    Capital Stock and Other Securities                            13
- --------------------------------------------------------------------------------
     19.    Purchase, Redemption and Pricing of Securities Being
            Offered                                                       16   
- --------------------------------------------------------------------------------
     20.    Tax Status                                                  13-14
- --------------------------------------------------------------------------------
     21.    Underwriters                                                 N/A
- --------------------------------------------------------------------------------
     22.    Calculation of Performance Data                              N/A
- --------------------------------------------------------------------------------
     23.    Financial Statements                                          16
- --------------------------------------------------------------------------------
<PAGE>
                                   PROSPECTUS

                             [american century logo]
                                    American
                                   Century(sm)

   
                                 AUGUST 1, 1997
    

                                     BENHAM
                                    GROUP(R)

                           Premium Government Reserve
                             Premium Capital Reserve
                                  Premium Bond

[front cover]


                          AMERICAN CENTURY INVESTMENTS
                                FAMILY OF FUNDS

   
     American  Century  Investments  offers you nearly 70 fund choices  covering
stocks, bonds, money markets,  specialty investments and blended portfolios.  To
help you find the funds that may meet your investment  needs,  American  Century
funds  have  been  divided  into  three  groups  based on  investment  style and
objectives. These groups, which appear below, are designed to simplify your fund
decisions.
    

                          AMERICAN CENTURY INVESTMENTS

     Benham Group          American Century Group     Twentieth Century(R) Group

  MONEY MARKET FUNDS         ASSET ALLOCATION &
 GOVERNMENT BOND FUNDS         BALANCED FUNDS               GROWTH FUNDS
DIVERSIFIED BOND FUNDS    CONSERVATIVE EQUITY FUNDS      INTERNATIONAL FUNDS
 MUNICIPAL BOND FUNDS          SPECIALTY FUNDS

  Premium Government
        Reserve
Premium Capital Reserve
     Premium Bond




   
                                   PROSPECTUS
                                 AUGUST 1, 1997
    

                           Premium Government Reserve
                            Premium Capital Reserve
                                  Premium Bond

                    AMERICAN CENTURY PREMIUM RESERVES, INC.

     American  Century  Premium  Reserves,  Inc. is a part of  American  Century
Investments,  a family of funds that  includes  nearly 70 no-load  mutual  funds
covering  a variety  of  investment  opportunities.  Three of the funds from our
Benham Group that invest  primarily in fixed income  securities are described in
this  Prospectus.  Their  investment  objectives  are  listed  on page 2 of this
Prospectus. The other funds are described in separate prospectuses.

     The minimum initial investment for each of the funds is $100,000.

   
     This Prospectus gives you information  about the funds that you should know
before investing. Please read this Prospectus carefully and retain it for future
reference.  Additional  information  is included in the  Statement of Additional
Information  dated August 1, 1997,  and filed with the  Securities  and Exchange
Commission.  It is incorporated  into this Prospectus by reference.  To obtain a
copy without charge, call or write:

                          American Century Investments
                       4500 Main Street o P.O. Box 419200
               Kansas City, Missouri 64141-6200 o 1-800-345-2021
                       International calls: 816-531-5575
                    Telecommunications Device for the Deaf:
                   1-800-634-4113 o In Missouri: 816-444-3485
                       Internet: www.americancentury.com
    

     Additional  information,  including  this  Prospectus  and the Statement of
Additional Information,  may be obtained by accessing the Web site maintained by
the SEC (www.sec.gov).

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

Prospectus                                                                     1


                       INVESTMENT OBJECTIVES OF THE FUNDS

AMERICAN CENTURY - BENHAM
PREMIUM GOVERNMENT RESERVE FUND

AMERICAN CENTURY - BENHAM
PREMIUM CAPITAL RESERVE FUND

     The  objective  of each of these money  market funds is to obtain as high a
level of current income as is consistent with the  preservation of principal and
liquidity  within  the  guidelines  established  for each  fund.  While  Premium
Government  Reserve and Premium  Capital  Reserve  seek to maintain a stable net
asset value of $1.00 per share,  there is no assurance that they will be able to
do so. Investments in the funds are not insured,  nor are they guaranteed by the
U.S. government or any other agency.

AMERICAN CENTURY - BENHAM
PREMIUM BOND FUND

     This fund seeks a high level of income from  investments  in a portfolio of
bonds and other debt obligations  having a weighted average adjusted duration of
3.5 years or greater.  Investments  in the funds are not  insured,  nor are they
guaranteed by the U.S. government or any other agency.

     There  is no  assurance  that  the  funds  will  achieve  their  respective
investment objectives.

NO  PERSON  IS  AUTHORIZED  BY THE  FUNDS  TO GIVE ANY  INFORMATION  OR MAKE ANY
REPRESENTATION OTHER THAN THOSE CONTAINED IN THIS PROSPECTUS OR IN OTHER PRINTED
OR WRITTEN MATERIAL ISSUED BY OR ON BEHALF OF THE FUNDS, AND YOU SHOULD NOT RELY
ON ANY OTHER INFORMATION OR REPRESENTATION.

2    Investment Objectives                          American Century Investments


                               TABLE OF CONTENTS

   
Investment Objective of the Funds..............................................2
Transaction and Operating Expense Table........................................4
Financial Highlights...........................................................5
    

INFORMATION REGARDING THE FUNDS

Investment Policies of the Funds...............................................8
   Premium Government Reserve..................................................8
   Premium Capital Reserve.....................................................9
   Premium Bond...............................................................10
Fundamentals of Fixed Income Investing........................................11
Other Investment Practices, Their
   Characteristics and Risks..................................................11
   Repurchase Agreements......................................................11
   Foreign Securities.........................................................12
   Forward Currency Exchange Contracts........................................12
   Interest Rate Futures Contracts
      and Options Thereon.....................................................13
   Derivative Securities......................................................13
   Portfolio Lending..........................................................14
   Portfolio Turnover.........................................................14
   Rule 144A Securities.......................................................15
   When-Issued Securities.....................................................15
   Investment Company Act Rule 2a-7...........................................15
Performance Advertising.......................................................15

HOW TO INVEST WITH AMERICAN CENTURY INVESTMENTS

American Century Investments..................................................17
Investing in American Century.................................................17
How to Open an Account........................................................17
     By Mail..................................................................17
     By Wire..................................................................17
     By Exchange..............................................................18
     In Person................................................................18
   Subsequent Investments.....................................................18
     By Mail..................................................................18
     By Telephone.............................................................18
     By Online Access.........................................................18
     By Wire..................................................................18
     In Person................................................................18
   Automatic Investment Plan..................................................18
How to Exchange from One Account to Another ..................................18
     By Mail .................................................................19
     By Telephone.............................................................19
     By Online Access.........................................................19
How to Redeem Shares..........................................................19
     By Mail..................................................................19
     By Telephone ............................................................19
     By Check-A-Month.........................................................19
     Other Automatic Redemptions..............................................19
   Redemption Proceeds........................................................19
     By Check.................................................................19
     By Wire and ACH..........................................................19
   Redemption of Shares in Low-Balance Accounts...............................20
Signature Guarantee...........................................................20
Special Shareholder Services..................................................20
     Automated Information Line...............................................20
     CheckWriting.............................................................20
     Online Account Access....................................................21
     Open Order Service.......................................................21
     Tax-Qualified Retirement Plans...........................................21
Important Policies Regarding Your Investments.................................21
Reports to Shareholders.......................................................22
Employer-Sponsored Retirement Plans and
   Institutional Accounts.....................................................22

ADDITIONAL INFORMATION YOU SHOULD KNOW

Share Price...................................................................23
   When Share Price is Determined.............................................23
   How Share Price is Determined..............................................23
   Where to Find Information About Share Price................................24
Distributions.................................................................24
Taxes.........................................................................24
   Tax-Deferred Accounts......................................................24
   Taxable Accounts...........................................................25
Management....................................................................26
   Investment Management......................................................26
   Code of Ethics.............................................................27
   Transfer and Administrative Services.......................................27
Distribution of Fund Shares...................................................27
Further Information About American Century....................................27

Prospectus                                              Table of Contents      3

<TABLE>
<CAPTION>
                     TRANSACTION AND OPERATING EXPENSE TABLE

                                                                  Premium Government    Premium Capital      Premium
                                                                        Reserve             Reserve           Bond

SHAREHOLDER TRANSACTION EXPENSES:

<S>                                                                  <C>                   <C>              <C>  
Maximum Sales Load Imposed on Purchases.........................         none                none              none
Maximum Sales Load Imposed on Reinvested Dividends..............         none                none              none
Deferred Sales Load.............................................         none                none              none
Redemption Fee(1)...............................................         none                none              none
Exchange Fee....................................................         none                none              none

ANNUAL FUND OPERATING EXPENSES:
(as a percentage of net assets)

Management Fees.................................................        0.45%               0.45%             0.45%
12b-1 Fees......................................................         none                none              none
Other Expenses(2)...............................................        0.00%               0.00%             0.00%
Total Fund Operating Expenses...................................        0.45%               0.45%             0.45%

EXAMPLE

You would pay the following expenses on a                 1 year          $ 5                 $ 5               $ 5
$1,000 investment, assuming a 5% annual return and       3 years           14                  14                14
redemption at the end of each time period:               5 years           25                  25                25
                                                        10 years           57                  57                57

     (1)  Redemption  proceeds  sent  by  wire  transfer  are  subject  to a $10
processing fee.

     (2) Other expenses,  which include the fees and expenses  (including  legal
counsel fees) of those directors who are not "interested  persons" as defined in
the Investment Company Act, were 0.0013 of 1% of average net assets for the most
recent fiscal year.
</TABLE>

     The purpose of this table is to help you  understand  the various costs and
expenses  that you,  as a  shareholder,  will bear  directly  or  indirectly  in
connection with an investment in shares of the funds offered by this Prospectus.
The  example  set  forth  above  assumes   reinvestment  of  all  dividends  and
distributions  and uses a 5% annual rate of return as required by Securities and
Exchange Commission regulations.

     NEITHER  THE 5% RATE OF  RETURN  NOR THE  EXPENSES  SHOWN  ABOVE  SHOULD BE
CONSIDERED  INDICATIONS OF PAST OR FUTURE  RETURNS AND EXPENSES.  ACTUAL RETURNS
AND EXPENSES MAY BE GREATER OR LESS THAN THOSE SHOWN.

4    Transaction and Operating Expense Table        American Century Investments

<TABLE>
<CAPTION>
   
                              FINANCIAL HIGHLIGHTS
                           PREMIUM GOVERNMENT RESERVE


     The Financial  Highlights  for the periods  presented  have been audited by
Ernst & Young LLP,  independent  auditors,  whose report thereon  appears in the
fund's annual report,  which is  incorporated by reference into the Statement of
Additional  Information.  The  annual  report  contains  additional  performance
information  and will be made  available  upon request and without  charge.  The
information  presented  is for a share  outstanding  throughout  the years ended
March 31.

                                                     1997              1996             1995              1994

PER-SHARE DATA

<S>                                                  <C>              <C>               <C>              <C>  
Net Asset Value, Beginning of Year...............    $1.00            $1.00             $1.00            $1.00
                                                  --------         --------          --------         --------
Income From Investment Operations

   Net Investment Income.........................     0.05             0.05              0.05             0.03
                                                  --------         --------          --------         --------
Distributions

   From Net Investment Income....................   (0.05)           (0.05)            (0.05)           (0.03)
                                                  --------         --------          --------         --------
Net Asset Value, End of Year.....................    $1.00            $1.00             $1.00            $1.00
                                                  ========         ========          ========         ========
   TOTAL RETURN(1)...............................    5.07%            5.49%             4.62%            2.75%

RATIOS/SUPPLEMENTAL DATA

   Ratio of Operating Expenses
   to Average Net Assets.........................    0.45%            0.44%             0.45%            0.45%

   Ratio of Net Investment Income
   to Average Net Assets.........................    4.96%            5.30%             4.84%            2.72%

   Net Assets, End of Year (in thousands)........  $38,838          $26,191           $16,381           $5,459

(1)  Total  return   assumes   reinvestment   of  dividends  and  capital  gains
distributions, if any.
</TABLE>

Prospectus                                           Financial Highlights      5

<TABLE>
<CAPTION>
                              FINANCIAL HIGHLIGHTS
                            PREMIUM CAPITAL RESERVE

     The Financial  Highlights  for the periods  presented  have been audited by
Ernst & Young LLP,  independent  auditors,  whose report thereon  appears in the
fund's annual report,  which is  incorporated by reference into the Statement of
Additional  Information.  The  annual  report  contains  additional  performance
information  and will be made  available  upon request and without  charge.  The
information  presented  is for a share  outstanding  throughout  the years ended
March 31.

                                                     1997              1996             1995              1994

PER-SHARE DATA

<S>                                                  <C>              <C>               <C>              <C>  
Net Asset Value, Beginning of Year...............    $1.00            $1.00             $1.00            $1.00
                                                  --------         --------          --------         --------
Income From Investment Operations

   Net Investment Income.........................     0.05             0.05              0.05             0.03
                                                  --------         --------          --------         --------
Distributions

   From Net Investment Income....................   (0.05)           (0.05)            (0.05)           (0.03)
                                                  --------         --------          --------         --------
Net Asset Value, End of Year.....................    $1.00            $1.00             $1.00            $1.00
                                                  ========         ========          ========         ========
   TOTAL RETURN(1)...............................    5.13%            5.58%             4.66%            2.81%

RATIOS/SUPPLEMENTAL DATA

   Ratio of Operating Expenses
   to Average Net Assets.........................    0.45%            0.45%             0.45%            0.45%

   Ratio of Net Investment Income
   to Average Net Assets.........................    5.01%            5.50%             4.76%            2.83%

   Net Assets, End of Year (in thousands)........ $153,958         $133,417          $138,428          $38,823

(1)  Total  return   assumes   reinvestment   of  dividends  and  capital  gains
distributions, if any.
</TABLE>

6    Financial Highlights                           American Century Investments

<TABLE>
<CAPTION>
                              FINANCIAL HIGHLIGHTS
                                  PREMIUM BOND

     The Financial  Highlights  for the periods  presented  have been audited by
Ernst & Young LLP,  independent  auditors,  whose report thereon  appears in the
fund's annual report,  which is  incorporated by reference into the Statement of
Additional  Information.  The  annual  report  contains  additional  performance
information  and will be made  available  upon request and without  charge.  The
information  presented  is for a share  outstanding  throughout  the years ended
March 31.

                                                     1997              1996             1995              1994

PER-SHARE DATA

<S>                                                  <C>              <C>               <C>             <C>   
Net Asset Value, Beginning of Year...............    $9.93            $9.46             $9.64           $10.00
                                                  --------         --------          --------         --------
Income From Investment Operations

   Net Investment Income.........................     0.61             0.61              0.59             0.46

   Net Realized and Unrealized
   Gain (Loss) on Investments....................   (0.17)             0.47            (0.18)           (0.36)
                                                  --------         --------          --------         --------
   Total from Investment Operations..............     0.44             1.08              0.41             0.10
                                                  --------         --------          --------         --------
Distributions

   From Net Investment Income....................   (0.61)           (0.61)            (0.59)           (0.46)
                                                  --------         --------          --------         --------
Net Asset Value, End of Year.....................    $9.76            $9.93             $9.46            $9.64
                                                  ========         ========          ========         ========
   TOTAL RETURN(1)...............................    4.57%           11.53%             4.48%            0.92%

RATIOS/SUPPLEMENTAL DATA

   Ratio of Operating Expenses
   to Average Net Assets.........................    0.45%            0.43%             0.45%            0.45%

   Ratio of Net Investment Income
   to Average Net Assets.........................    6.20%            6.08%             6.30%            4.65%

   Portfolio Turnover............................      63%              92%               51%             144%

   Net Assets, End of Year (in thousands)........  $21,750          $20,280           $10,334           $8,080

(1)  Total  return   assumes   reinvestment   of  dividends  and  capital  gains
distributions, if any.
    
</TABLE>

Prospectus                                           Financial Highlights      7


                        INFORMATION REGARDING THE FUNDS

INVESTMENT POLICIES OF THE FUNDS

     The funds have adopted certain  investment  restrictions that are set forth
in the Statement of Additional Information.  Those restrictions,  as well as the
investment  objectives  identified  on page 2 of this  Prospectus  and any other
investment  policies  designated as  "fundamental"  in this Prospectus or in the
Statement  of  Additional  Information,  cannot be changed  without  shareholder
approval.   The  funds  have  implemented  additional  investment  policies  and
practices  to  guide  their  activities  in  the  pursuit  of  their  respective
investment  objectives.  These  policies  and  practices,  which  are  described
throughout this Prospectus,  are not designated as fundamental  policies and may
be changed without shareholder approval.

     For an  explanation  of the  securities  ratings  referred  to in the  fund
descriptions  below, see "An Explanation of Fixed Income Securities  Ratings" in
the Statement of Additional Information.

PREMIUM GOVERNMENT RESERVE

     Premium  Government  Reserve  seeks to  obtain  as high a level of  current
income  as is  consistent  with  preservation  of  capital  and  maintenance  of
liquidity within the standards of investment  prescribed for such fund.  Premium
Government  Reserve  expects,  but  cannot  guarantee,  that it will  maintain a
constant share price of $1.00 by purchasing  only  securities  having  remaining
maturities  of not more than 13 months and by  maintaining  a  weighted  average
portfolio maturity of not more than 90 days.

     Premium Government Reserve will invest substantially all of its assets in a
portfolio of U.S. dollar denominated securities issued or guaranteed by the U.S.
government and its agencies and instrumentalities.  Specifically,  it may invest
in (1) direct  obligations of the United States,  such as Treasury bills,  notes
and  bonds,  which are  supported  by the full  faith and  credit of the  United
States, and (2) obligations  (including  mortgage-related  securities) issued or
guaranteed  by agencies  and  instrumentalities  of the U.S.  government.  These
agencies  and  instrumentalities  may  include,  but are  not  limited  to,  the
Government National Mortgage Association, Federal National Mortgage Association,
Federal Home Loan  Mortgage  Corporation,  Student Loan  Marketing  Association,
Federal Farm Credit  Banks,  Federal  Home Loan Banks,  and  Resolution  Funding
Corporation.  The  securities of some of these  agencies and  instrumentalities,
such as the  Government  National  Mortgage  Association,  are  guaranteed as to
principal and interest by the U.S. Treasury,  and other securities are supported
by the right of the issuer,  such as the Federal Home Loan Banks, to borrow from
the Treasury. Other obligations,  including those issued by the Federal National
Mortgage  Association  and the  Federal  Home  Loan  Mortgage  Corporation,  are
supported only by the credit of the instrumentality.

     Mortgage-related securities that may be purchased are mortgage pass-through
certificates and collateralized  mortgage  obligations ("CMOs") issued by a U.S.
agency  or  instrumentality.  A  mortgage  pass-through  certificate  is a  debt
security generally collateralized by a pool of mortgages,  while a CMO is a debt
security that is generally collateralized by a portfolio or pool of mortgages or
mortgage-backed   securities.  With  both  types  of  securities,  the  issuer's
obligation to make interest and principal  payments is secured by the underlying
pool or portfolio of mortgages or securities.

     The market value of  mortgage-related  securities,  even those in which the
underlying  pool of mortgage  loans is guaranteed as to the payment of principal
and interest by the U. S. government,  is not insured. When interest rates rise,
the market  value of those  securities  may decrease in the same manner as other
debt, but when interest  rates  decline,  their market value may not increase as
much as other debt instruments because of the prepayment feature inherent in the
underlying mortgages. If such securities are purchased at a premium, a fund will
suffer a loss if the obligation is prepaid. Prepayments will be reinvested

8    Information Regarding the Funds                American Century Investments


at  prevailing  rates,  which  may be less  than  the rate  paid by the  prepaid
obligation.

     For the purpose of determining the weighted average portfolio maturity of a
fund, the manager shall consider the maturity of a mortgage-related  security to
be the remaining expected average life of the security. The average life of such
securities is likely to be  substantially  less than the original  maturity as a
result of prepayments of principal on the underlying mortgages,  especially in a
declining  interest rate  environment.  In  determining  the remaining  expected
average life, the manager makes assumptions  regarding prepayments on underlying
mortgages.  In a rising interest rate environment,  those prepayments  generally
decrease,  and may decrease below the rate of prepayment  assumed by the manager
when purchasing those securities. Such slowdown may cause the remaining maturity
of those securities to lengthen,  which will increase the relative volatility of
those securities and, hence, the fund holding the securities.  See "Fundamentals
of Fixed Income Investing," page 11.

     Premium Government Reserve will invest only in mortgage-related  securities
that have a stated final maturity of 397 days or less.

     Because  of its  strict  credit  and  maturity  requirements,  the level of
current income produced by the fund may not be as high as that produced by funds
that invest in riskier and more speculative  securities with longer  maturities.
See "Investment Company Act Rule 2a-7," page 15.

PREMIUM CAPITAL RESERVE

     Premium  Capital  Reserve seeks to obtain as high a level of current income
as is  consistent  with  preservation  of capital and  maintenance  of liquidity
within the standards of investment  prescribed  for such fund.  Premium  Capital
Reserve expects,  but cannot  guarantee,  that it will maintain a constant share
price of $1.00 by purchasing only securities having remaining  maturities of not
more than 13 months and by maintaining a weighted average portfolio  maturity of
not more than 90 days.

     Premium  Capital Reserve will invest  substantially  all of its assets in a
diversified  portfolio of U.S.  dollar  denominated  money  market  instruments.
Specifically, it may invest in the following:

     (1) Securities  issued  or  guaranteed  by  the  U.S.  government  and  its
agencies  and   instrumentalities,   as  described  under  "Premium   Government
Reserve."

     (2) Commercial paper.

     (3) Short-term notes, bonds, debentures, or other debt instruments.

     (4)  Certificates  of  deposit,   bankers   acceptances  and  time  deposit
obligations of U.S. banks,  foreign branches of U.S. banks  (Eurodollars),  U.S.
branches and agencies of foreign  banks  (Yankee  dollars) and foreign  branches
of foreign banks.

     With the exception of the obligations of foreign branches of U.S. banks and
U.S.  branches of foreign banks,  which are limited to 25% of net assets,  these
classes of securities  may be held in any  proportion,  and such  proportion may
vary as market conditions change.

     All  portfolio  holdings  are limited to those that at the time of purchase
have a  short-term  rating of A-1 by  Standard & Poor's  Corporation,  or P-1 by
Moody's Investors Service, Inc., or if they have no short-term rating are issued
or guaranteed by an entity having a long-term rating of at least AA by S&P or Aa
by Moody's.

     Eurodollar and Yankee dollar  investments  involve risks that are different
from  investments  in securities of U.S.  banks.  These risks may include future
unfavorable  political and economic  developments,  possible  withholding taxes,
seizure of foreign deposits,  currency controls,  interest  limitations or other
governmental  restrictions  that might affect  payment of principal or interest.
Additionally, there may be less public information available about foreign banks
and their branches.  Foreign branches of foreign banks are not regulated by U.S.
banking  authorities,  and generally are not bound by  accounting,  auditing and
financial reporting standards  comparable to U.S. banks.  Although these factors
are carefully  considered  when making  investments,  there are no limits on the
amount of fund assets which can be invested in any one type of  instrument or in
any foreign country.

     Because  of its  strict  credit  and  maturity  requirements,  the level of
current income produced by the fund may not be as high as that produced by funds

Prospectus                                Information Regarding the Funds      9


that invest in riskier and more speculative  securities with longer  maturities.
See "Investment Company Act Rule 2a-7," page 15.

PREMIUM BOND

     Premium Bond seeks a high level of income from  investment  in  longer-term
bonds and other debt  instruments.  It is designed for  investors  whose primary
goal is a level of income  higher than is generally  provided by money market or
short- and intermediate-term securities and who can accept the generally greater
price  volatility   associated  with  longer-term  bonds.  Under  normal  market
conditions, at least 65% of Premium Bond's assets will be invested in bonds. The
balance of the fund's assets will be invested in shorter-term debt securities.

     There are no maturity  restrictions  on the individual  securities in which
Premium  Bond may invest,  but the  weighted  average  adjusted  duration of the
fund's  securities  portfolio must be 3.5 years or greater.  Adjusted  duration,
which is an indication of the relative  sensitivity of a security's market value
to changes in interest  rates,  is based upon the aggregate of the present value
of all principal and interest payments to be received, discounted at the current
market rate of interest, and expressed in years.

     Adjusted  duration is  different  from  dollar-weighted  average  portfolio
maturity  in that it  attempts to measure the  interest  rate  sensitivity  of a
security,  as opposed to its  expected  final  maturity.  Further,  the adjusted
duration of a portfolio  will change in response to a change in interest  rates,
whereas average maturity may not.  Duration is generally  shorter than remaining
time to final maturity because it gives weight to periodic interest payments, as
well as the  payment of  principal  at  maturity.  The longer the  duration of a
portfolio,  the more sensitive its market value is to interest rate fluctuation.
However,  due to factors  other than interest rate changes that affect the price
of a specific security,  there generally is not an exact correlation between the
price  volatility  of a security  indicated by adjusted  duration and the actual
price volatility of a security.

     Subject to the  aggregate  portfolio  duration  minimum,  the manager  will
actively manage the portfolio, adjusting the weighted average portfolio maturity
in response to expected  changes in  interest  rates.  During  periods of rising
interest rates, a shorter  weighted  average maturity may be adopted in order to
reduce the effect of bond price  declines  on the fund's net asset  value.  When
interest rates are falling and bond prices  rising,  a longer  weighted  average
portfolio maturity may be adopted.

     To  achieve  its  objective,  Premium  Bond  may  invest  in a  diversified
portfolio  of high- and  medium-grade  debt  securities.  The fund may invest in
securities which, at the time of purchase,  are rated by a nationally recognized
statistical rating  organization or, if not rated, are of equivalent  investment
quality as determined by management, as follows: short-term notes within the two
highest  categories  (for  example,  at least  MIG-2 by Moody's or SP-2 by S&P);
corporate,  sovereign  government,  and municipal  bonds within the four highest
categories  (for example,  at least Baa by Moody's or BBB by S&P),  although the
fund  expects to invest in  tax-exempt  municipal  bonds only when the  expected
return  on  such   securities  is  equal  to  or  greater  than  other  eligible
investments;   securities   of  the  U.S.   government   and  its  agencies  and
instrumentalities (as described under "Premium Government Reserve," page 8); and
other types of securities  rated at least P-2 by Moody's or A-2 by S&P. There is
no limit on the amount of investments  that can be made in securities rated in a
particular  rating  category.   According  to  Moody's,   bonds  rated  Baa  are
medium-grade and possess some speculative  characteristics.  A BBB rating by S&P
indicates S&P's belief that a security exhibits a satisfactory  degree of safety
and  capacity  for  repayment,  but  is  more  vulnerable  to  adverse  economic
conditions or changing circumstances.

     For the  purpose  of  determining  adjusted  duration,  the  manager  shall
consider the maturity of a security issued by the Government  National  Mortgage
Association,  or other  mortgage-related  security, to be the remaining expected
average life of the security.  The average life of such  securities is likely to
be substantially  less than the original  maturity as a result of prepayments of
principal of the underlying mortgages.

10   Information Regarding the Funds                American Century Investments


FUNDAMENTALS OF FIXED INCOME INVESTING

[line graph - data below]

           HISTORICAL YIELDS

   
     30-YEAR   20-YEAR   3-MONTH
    TREASURY TAX-EXEMPT  TREASURY
       BOND.......BONDS...BILLS
1/92     8%.......6% ......4%
2/92     8%.......6% ......4%
3/92     8%.......6% ......4%
4/92     8%.......6% ......4%
5/92     8%.......6% ......4%
6/92     8%.......6% ......4%
7/92     7%.......6% ......3%
8/92     7%.......6% ......3%
9/92     7%.......6% ......3%
10/92    8%.......6% ......3%
11/92    8%.......6% ......3%
12/92    7%.......6% ......3%
1/93     7%.......6% ......3%
2/93     7%.......5% ......3%
3/93     7%.......6% ......3%
4/93     7%.......6% ......3%
5/93     7%.......6% ......3%
6/93     7%.......5% ......3%
7/93     7%.......5% ......3%
8/93     6%.......5% ......3%
9/93     6%.......5% ......3%
10/93    6%.......5% ......3%
11/93    6%.......5% ......3%
12/93    6%.......5% ......3%
1/94     6%.......5% ......3%
2/94     7%.......5% ......3%
3/94     7%.......6% ......4%
4/94     7%.......6% ......4%
5/94     7%.......6% ......4%
6/94     8%.......6% ......4%
7/94     7%.......6% ......4%
8/94     7%.......6% ......5%
9/94     8%.......6% ......5%
10/94    8%.......6% ......5%
11/94    8%.......7% ......6%
12/94    8%.......6% ......6%
1/95     8%.......6% ......6%
2/95     7%.......6% ......6%
3/95     7%.......6% ......6%
4/95     7%.......6% ......6%
5/95     7%.......6% ......6%
6/95     7%.......6% ......6%
7/95     7%.......6% ......6%
8/95     7%.......6% ......5%
9/95     7%.......6% ......5%
10/95    6%.......5% ......6%
11/95    6%.......5% ......5%
12/95    6%.......5% ......5%
1/96     6%.......5% ......5%
2/96     6%.......5% ......5%
3/96     7%.......6% ......5%
4/96     7%.......6% ......5%
5/96     7%.......6% ......5%
6/96     7%.......6% ......5%
7/96     7%.......6% ......5%
8/96     7%.......6% ......5%
9/96     7%.......6% ......5%
10/96    7%.......6% ......5%
11/96    6%.......6% ......5%
12/96    7%.......6% ......5%
    


                             BOND PRICE VOLATILITY

For a given change in interest rates, longer maturity bonds experience a greater
change in price, as shown below:

                         Price of a 7%         Price of same
                          coupon bond           bond if its         Percent
      Years to            now trading         yield increases       change
      Maturity            to yield 7%              to 8%           in price

        1 year              $100.00               $99.06            -0.94%
       3 years               100.00                97.38            -2.62%
      10 years               100.00                93.20            -6.80%
      30 years               100.00                88.69           -11.31%


     Over  time,  the  level of  interest  rates  available  in the  marketplace
changes. As prevailing rates fall, the prices of bonds and other securities that
trade on a yield basis rise. On the other hand, when  prevailing  interest rates
rise, bond prices fall.

     Generally, the longer the maturity of a debt security, the higher its yield
and the greater its price volatility.  Conversely, the shorter the maturity, the
lower the yield but the greater the price stability.

     These factors  operating in the  marketplace  have a similar impact on bond
portfolios.  A change in the level of interest  rates causes the net asset value
per share of any bond fund,  except money market funds, to change.  If sustained
over time, it would also have the impact of raising or lowering the yield of the
fund.

     In addition to the risk arising from fluctuating interest rate levels, debt
securities  are  subject to credit  risk.  When a  security  is  purchased,  its
anticipated  yield is  dependent  on the timely  payment by the borrower of each
interest and principal  installment.  Credit analysis and resultant bond ratings
take into account the relative  likelihood  that such timely payment will occur.
As a  result,  lower-rated  bonds  tend to  sell at  higher  yield  levels  than
top-rated bonds of similar  maturity.  In addition,  as economic,  political and
business developments unfold, lower-quality bonds, which possess lower levels of
protection with regard to timely payment, usually exhibit more price fluctuation
than do higher-quality bonds of like maturity.

     The   investment   practices  of  all  fixed  income  funds  involve  these
relationships.  The maturity and credit  quality of each fund have  implications
for the degree of price volatility and the yield level to be expected from each.

OTHER INVESTMENT PRACTICES, THEIR CHARACTERISTICS
AND RISKS

     For additional information,  see "Investment Restrictions" in the Statement
of Additional Information.

REPURCHASE AGREEMENTS

     Each  fund may  invest in  repurchase  agreements  when  such  transactions
present an attractive  short-term return on cash that is not otherwise committed
to the purchase of securities pursuant to the investment policies of that fund.

     A  repurchase  agreement  occurs  when,  at the time the fund  purchases an
interest-bearing  obligation,  the seller (a bank or a broker-dealer  registered
under  the  Securities  Exchange  Act of  1934)  agrees  to  repurchase  it on a
specified  date in the future at an  agreed-upon  price.  The  repurchase  price
reflects  an  agreed-upon  interest  rate  during the time the  fund's  money is
invested in the security.

     Since  the  security  purchased  constitutes  security  for the  repurchase
obligation,  a repurchase  agreement can be considered a loan  collateralized by
the security purchased.  The fund's risk is the ability of the seller to pay the
agreed-upon repurchase price on the repurchase date. If the seller defaults, the
fund may incur costs in  disposing  of the  collateral,  which would  reduce the
amount realized  thereon.  If the seller seeks relief under the bankruptcy laws,
the  disposition of the collateral may be delayed or limited.  To the extent the
value of the security decreases, the fund could experience a loss.

Prospectus                                Information Regarding the Funds     11


     The funds will limit repurchase agreement transactions to securities issued
by the U.S. government, its agencies and instrumentalities,  and will enter into
such  transactions  with  those  banks and  securities  dealers  who are  deemed
creditworthy pursuant to criteria adopted by the funds' Board of Directors.

   
     Each of the funds may invest in repurchase  agreements  with respect to any
security  in which  that fund is  authorized  to invest,  even if the  remaining
maturity of the  underlying  security  would make that security  ineligible  for
purchase by such fund.  Premium  Government  Reserve and Premium Capital Reserve
will not  purchase a  security  or enter into a  repurchase  agreement  if, as a
result,  more than 10% of its net assets  would be held in  illiquid  securities
(including  repurchase  agreements  maturing  in more than  seven  days),  while
Premium Bond will not  purchase a security or enter into a repurchase  agreement
if,  as a  result,  more than 15% of its net  assets  would be held in  illiquid
securities.
    

FOREIGN SECURITIES

     Premium  Capital  Reserve  and Premium  Bond may each  invest an  unlimited
amount of their assets in the debt  securities  of those  foreign  issuers whose
principal business activities are in developed countries,  when these securities
meet  their  respective  standards  of  selection,   including  credit  quality.
Securities  of  foreign  issuers  may trade in the U.S.  or  foreign  securities
markets.

   
     Investments  in foreign  securities may present  certain  risks,  including
those resulting from fluctuations in currency  exchange rates,  future political
and economic  developments,  clearance and settlement risk, reduced availability
of public information  concerning issuers, and the fact that foreign issuers are
not generally subject to uniform  accounting,  auditing and financial  reporting
standards or to other regulatory practices and requirements  comparable to those
applicable to domestic issuers.
    

FORWARD CURRENCY EXCHANGE CONTRACTS

     Some of the  securities  held by Premium Bond may be denominated in foreign
currencies.  As a result,  the value of the fund's  portfolio may be affected by
changes in the exchange rate between foreign  currencies and the U.S. dollar, as
well as by  changes  in the  market  value  of the  securities  themselves.  The
performance  of  foreign  currencies  relative  to  the  U.S.  dollar  may be an
important factor in the fund's overall performance.

     To protect against adverse movements in exchange rates between  currencies,
the fund may, for hedging purposes only,  enter into forward  currency  exchange
contracts.  A forward currency exchange contract  obligates the fund to purchase
or sell a specific currency at a future date at a specific price.

     The fund may elect to enter into a forward currency  exchange contract with
respect to a specific  purchase  or sale of a security,  or with  respect to the
fund's portfolio positions generally.

     By entering into a forward currency  exchange  contract with respect to the
specific purchase or sale of a security  denominated in a foreign currency,  the
fund can "lock in" an exchange rate between the trade and  settlement  dates for
that purchase or sale.  This practice is sometimes  referred to as  "transaction
hedging." The fund may enter into transaction  hedging contracts with respect to
all or a substantial portion of its foreign securities trades.

   
     When the manager  believes that a particular  currency may decline in value
compared to the U.S. dollar, the fund may enter into a forward currency exchange
contract to sell an amount of foreign currency equal to the value of some or all
of the fund's portfolio securities either denominated in, or whose value is tied
to,  that  currency.  This  practice  is  sometimes  referred  to as  "portfolio
hedging." The fund may not enter into a portfolio hedging  transaction where the
fund would be  obligated  to deliver an amount of foreign  currency in excess of
the  aggregate  value  of  the  fund's  portfolio  securities  or  other  assets
denominated in, or whose value is tied to, that currency.
    

     The  fund  will  make  use  of  portfolio  hedging  to  the  extent  deemed
appropriate by the manager.  However, it is anticipated that the fund will enter
into portfolio hedges much less frequently than transaction hedges.

     If the fund enters into a forward  currency  exchange  contract,  the fund,
when  required,  will  instruct its custodian  bank to segregate  cash or liquid
high-grade securities in a separate account in an amount sufficient to cover its
obligation under the contract.  Those assets will be valued at market daily, and
if  the  value  of  the  segregated  securities  declines,  additional  cash  or
securities will be added so that the

12   Information Regarding the Funds                American Century Investments


value of the account is not less than the amount of the fund's commitment.

     Predicting the relative future values of currencies is very difficult,  and
there is no  assurance  that any  attempt to protect  the fund  against  adverse
currency  movements through the use of forward currency exchange  contracts will
be successful. In addition, the use of forward currency exchange contracts tends
to limit the  potential  gains that might  result from a positive  change in the
relationship between the foreign currency and the U.S. dollar.

INTEREST RATE FUTURES CONTRACTS
AND OPTIONS THEREON

     Premium Bond may buy and sell interest rate futures  contracts  relating to
debt securities ("debt futures," i.e., futures relating to debt securities,  and
"bond index  futures," i.e.,  futures  relating to indices on types or groups of
bonds) and write and buy put and call options  relating to interest rate futures
contracts.

     For  options  sold,  the fund  will  segregate  cash or  high-quality  debt
securities  equal to the value of  securities  underlying  the option unless the
option is otherwise covered.

     The fund will  deposit in a  segregated  account  with its  custodian  bank
high-quality  debt  obligations  or cash in an amount  equal to the  fluctuating
market  value of long  futures  contracts  it has  purchased,  less  any  margin
deposited  on  its  long  position.  It may  hold  cash  or  acquire  such  debt
obligations for the purpose of making these deposits.

     The fund will purchase or sell futures  contracts and options  thereon only
for the purpose of hedging  against changes in the market value of its portfolio
securities  or  changes in the market  value of  securities  that it may wish to
include  in  its  portfolio.  The  fund  will  enter  into  futures  and  option
transactions only to the extent that the sum of the amount of margin deposits on
its existing  futures  positions and premiums paid for related  options does not
exceed 5% of its assets.

     Since futures contracts and options thereon can replicate  movements in the
cash markets for the  securities in which a fund invests  without the large cash
investments  required  for dealing in such  markets,  they may subject a fund to
greater and more volatile risks than might  otherwise be the case. The principal
risks related to the use of such  instruments  are: (1) the correlation  between
movements in the market price of the  portfolio  investments  (held or intended)
being hedged and in the price of the offsetting  futures  contract or option may
be imperfect; (2) the possible lack of a liquid secondary market for closing out
futures or option positions;  (3) the need for additional  portfolio  management
skills  and  techniques;  and  (4)  losses  due to  unanticipated  market  price
movements.  For a hedge to be  completely  effective,  the  price  change of the
hedging instrument should equal the price change of the securities being hedged.
Such  equal  price  changes  are not  always  possible  because  the  investment
underlying the hedging  instrument may not be the same  investment that is being
hedged.

     The manager will attempt to create a closely  correlated  hedge but hedging
activity  may  not  be  completely   successful  in  eliminating   market  value
fluctuation.  The  ordinary  spreads  between  prices  in the cash  and  futures
markets,  due to the differences in the natures of those markets, are subject to
distortion.  Due to the possibility of distortion, a correct forecast of general
interest  rate  trends  by the  manager  may still  not  result in a  successful
transaction.  The manager may be incorrect in its  expectations as to the extent
of interest  rate  movements  or the time span within which the  movements  take
place.

     See the Statement of Additional  Information for further  information about
these instruments and their risks.

DERIVATIVE SECURITIES

     To the extent permitted by its investment objectives and policies,  each of
the funds may invest in securities that are commonly referred to as "derivative"
securities.  Generally,  a derivative  is a financial  arrangement  the value of
which is based on, or "derived" from, a traditional  security,  asset, or market
index.   Certain  derivative   securities  are  more  accurately   described  as
"index/structured"   securities.   Index/structured  securities  are  derivative
securities whose value or performance is linked to other equity securities (such
as depositary receipts or S&P 500 futures), currencies,  interest rates, indices
or other financial indicators ("reference indices").

     Some  "derivatives"  such  as   mortgage-related   and  other  asset-backed
securities are in many respects

Prospectus                                Information Regarding the Funds     13


like any other  investment,  although  they may be more  volatile or less liquid
than more traditional debt securities.

     There are many different  types of  derivatives  and many different ways to
use them. Futures and options are commonly used for traditional hedging purposes
to  attempt  to  protect  a fund  from  exposure  to  changing  interest  rates,
securities  prices, or currency exchange rates and for cash management  purposes
as a low-cost  method of gaining  exposure  to a  particular  securities  market
without investing directly in those securities.

   
     No fund may invest in a derivative  security  unless the reference index or
the  instrument to which it relates is an eligible  investment for the fund. For
example,  a bond  whose  interest  rate is  indexed  to the  return  on two year
treasury  securities  would be a permissible  investment  (assuming it otherwise
meets the other  requirements for the funds),  while a security whose underlying
value is  linked  to the  price of oil  would  not be a  permissible  investment
because the funds may not invest in oil and gas leases or futures.
    

     The return on a derivative  security  may  increase or decrease,  depending
upon changes in the reference index or instrument to which it relates.

     There  are  a  range  of  risks  associated  with  derivative  investments,
including:

     o   the risk that the underlying  security,  interest rate, market index or
         other  financial  asset will not move in the  direction  the  portfolio
         manager anticipates;

     o   the possibility  that there may be no liquid secondary  market,  or the
         possibility  that  price  fluctuation  limits  may  be  imposed  by the
         exchange,  either of which may make it difficult or impossible to close
         out a position when desired;

     o   the risk that adverse price  movements in an instrument can result in a
         loss substantially greater than a fund's initial investment; and

     o   the risk that the counterparty will fail to perform its obligations.

     The  Board  of  Directors  has  approved  the  manager's  policy  regarding
investments in derivative securities. That policy specifies factors that must be
considered in connection  with a purchase of derivative  securities.  The policy
also establishes a committee that must review certain proposed  purchases before
the  purchases  can be  made.  The  manager  will  report  on fund  activity  in
derivative securities to the Board of Directors as necessary.  In addition,  the
Board will review the manager's policy for investments in derivative  securities
annually.

PORTFOLIO LENDING

   
     In order  to  realize  additional  income,  a fund  may lend its  portfolio
securities.  Such loans may not exceed one-third of the fund's net assets valued
at market except (i) through the purchase of debt  securities in accordance with
its  investment  objective,  policies  and  limitations,  or (ii) by engaging in
repurchase agreements with respect to portfolio securities.
    

PORTFOLIO TURNOVER

     The  portfolio  turnover  rate of  Premium  Bond is shown in the  Financial
Highlights table on page 7 of this Prospectus.

     In order to achieve the  investment  objectives  of the funds,  the manager
will purchase and sell  securities for the funds without regard to the length of
time the security has been held and,  accordingly,  it can be expected  that the
rate of portfolio turnover for each fund may be substantial.

     Each fund  intends  to  purchase  a given  security  whenever  the  manager
believes it will  contribute  to the stated  objective of the fund,  even if the
same  security has only recently  been sold.  In selling a given  security,  the
manager keeps in mind that (1) profits from sales of  securities  held less than
three months must be limited in order to meet the  requirements  of Subchapter M
of the Internal  Revenue Code,  and (2) profits from sales of securities  may be
taxed to shareholders as ordinary  income.  Subject to those  considerations,  a
fund  will  sell a given  security,  no  matter  for how long or for how short a
period it has been held in the portfolio and no matter  whether the sale is at a
gain or at a loss, if the manager  believes that such security is not fulfilling
its purpose.

     Investment  decisions  are  based on the  anticipated  contribution  of the
security in question to a fund's objectives.  The manager believes that the rate
of portfolio  turnover is irrelevant  when it determines a change is in order to
achieve those objectives.  Accordingly,  a fund's annual portfolio turnover rate
cannot be anticipated and may be comparatively high.

     Since the manager  does not take  portfolio  turnover  rate into account in
making investment decisions,

14   Information Regarding the Funds                American Century Investments


(1) the  manager  has no  intention  of  accomplishing  any  particular  rate of
portfolio  turnover,  whether high or low, and (2) the portfolio  turnover rates
should not be considered as a representation  of the rates that will be attained
in the future.

     The  portfolio  turnover of each of the funds may be higher than some other
mutual funds with similar investment objectives.  Higher turnover would generate
correspondingly  greater  trading  expenses,  which is a cost that the funds pay
directly.

RULE 144A SECURITIES

     The funds may, from time to time,  purchase Rule 144A  securities when they
present  attractive  investment  opportunities  that  otherwise  meet the funds'
criteria for selection.  Rule 144A  securities are securities that are privately
placed with and traded among qualified  institutional  investors rather than the
general  public.  Although  Rule  144A  securities  are  considered  "restricted
securities," they are not necessarily illiquid.

   
     With respect to securities  eligible for resale under Rule 144A,  the staff
of the  Securities  and  Exchange  Commission  has taken the  position  that the
liquidity of such  securities  in the  portfolio of a fund  offering  redeemable
securities is a question of fact for the Board of Directors to  determine,  such
determination to be based upon a consideration of the readily  available trading
markets  and  the  review  of  any  contractual  restrictions.  The  staff  also
acknowledges  that,  while the Board  retains  ultimate  responsibility,  it may
delegate this function to the manager.  Accordingly,  the Board has  established
guidelines and procedures for  determining the liquidity of Rule 144A securities
and has delegated the day-to-day  function of determining  the liquidity of Rule
144A securities to the manager.  The Board retains the responsibility to monitor
the implementation of the guidelines and procedures it has adopted.
    

     Since the  secondary  market  for such  securities  is  limited  to certain
qualified  institutional buyers, the liquidity of such securities may be limited
accordingly and a fund may, from time to time, hold a Rule 144A security that is
illiquid.  In such an  event,  the  funds'  manager  will  consider  appropriate
remedies to minimize  the effect on such fund's  liquidity.  Premium  Government
Reserve and  Premium  Capital  Reserve may invest up to 10% of their  respective
assets in illiquid securities (securities that may not be sold within seven days
at  approximately  the price  used in  determining  the net asset  value of fund
shares),  while  Premium  Bond  may  invest  up to  15% of its  assets  in  such
securities.

WHEN-ISSUED SECURITIES

     Each of the funds may  sometimes  purchase  new issues of  securities  on a
when-issued  basis  without  limit  when,  in the opinion of the  manager,  such
purchases  will further the  investment  objectives  of the funds.  The price of
when-issued  securities is established at the time the commitment to purchase is
made. Delivery of and payment for these securities typically occur 15 to 45 days
after the commitment to purchase. Market rates of interest on debt securities at
the time of  delivery  may be higher or lower than those  contracted  for on the
when-issued security.  Accordingly, the value of each security may decline prior
to delivery, which could result in a loss to a fund. A separate account for each
fund consisting of cash or  high-quality  liquid debt securities in an amount at
least equal to the  when-issued  commitments  will be established and maintained
with the custodian. No income will accrue to the fund prior to delivery.

INVESTMENT COMPANY ACT RULE 2A-7

   
     Premium  Government  Reserve  and  Premium  Capital  Reserve  each  operate
pursuant  to Rule  2a-7  under the  Investment  Company  Act of 1940.  That rule
permits  valuation of portfolio  securities  on the basis of amortized  cost. To
rely on the  rule,  each  fund must be  diversified  with  regard to 100% of its
assets other than U.S.  government  securities.  This  operating  policy is more
restrictive  than the  Investment  Company  Act,  which  requires a  diversified
investment company to be diversified with regard to only 75% of its assets.
    

PERFORMANCE ADVERTISING

     From  time  to  time,  the  funds  may  advertise  performance  data.  Fund
performance  may be shown by presenting  one or more  performance  measurements,
including  cumulative  total return or average  annual total  return,  yield and
effective yield.

     Cumulative  total  return data is computed by  considering  all elements of
return,  including  reinvestment  of dividends and capital gains  distributions,
over a stated period of time. Average annual total

Prospectus                                Information Regarding the Funds     15


return is  determined  by  computing  the annual  compound  return over a stated
period of time that would have produced the fund's  cumulative total return over
the same period if the fund's performance had remained constant throughout.

     A quotation of yield reflects a fund's income over a stated period of time,
expressed  as a percentage  of the fund's  share  price.  In the case of Premium
Government Reserve and Premium Capital Reserve, yield is calculated by measuring
the income  generated by an investment in the fund over a seven-day  period (net
of fund  expenses).  This  income is then  "annualized."  That is, the amount of
income  generated by the investment  over the seven-day  period is assumed to be
generated over each similar period each week throughout a full year and is shown
as a percentage  of the  investment.  The  "effective  yield" is calculated in a
similar  manner but, when  annualized,  the income  earned by the  investment is
assumed to be reinvested.  The effective  yield will be slightly higher than the
yield because of the compounding effect of the assumed reinvestment.

     With respect to Premium  Bond,  yield is calculated by adding over a 30-day
(or  one-month)  period all interest and dividend  income (net of fund expenses)
calculated on each day's market values,  dividing this sum by the average number
of fund shares  outstanding  during the period,  and  expressing the result as a
percentage  of the  fund's  share  price  on the  last  day  of the  30-day  (or
one-month) period.  The percentage is then annualized.  Capital gains and losses
are not included in the calculation.

     Yields are calculated according to accounting methods that are standardized
in  accordance  with SEC  rules  for all stock  and bond  funds.  Because  yield
accounting methods differ from the methods used for other accounting purposes, a
fund's yield may not equal the income paid on your shares or the income reported
in a fund's financial statements.

     The funds may also include in  advertisements  data  comparing  performance
with the  performance  of  non-related  investment  media,  published  editorial
comments and performance rankings compiled by independent organizations (such as
Lipper  Analytical  Services or Donoghue's  Money Fund Report) and  publications
that monitor the  performance of mutual funds.  Performance  information  may be
quoted numerically or may be presented in a table, graph or other  illustration.
In addition,  fund  performance may be compared to well-known  indices of market
performance  including the Lehman Brothers Government  Corporate Index,  Salomon
Bond Index,  Donoghue's  Money Fund Average and the Bank Rate  Monitor  National
Index of 2  1/2-year  CD rates.  Fund  performance  may also be  compared,  on a
relative  basis,  to other funds in our fund family.  This relative  comparison,
which may be based upon historical or expected fund  performance,  volatility or
other fund  characteristics,  may be presented  numerically,  graphically  or in
text.  Fund  performance may also be combined or blended with other funds in our
fund family,  and that  combined or blended  performance  may be compared to the
same indices to which individual funds may be compared.

     All performance information advertised by the funds is historical in nature
and is not intended to represent or guarantee  future results.  The value of the
fund shares when redeemed may be more or less than their original cost.

16   Information Regarding the Funds                American Century Investments


                               HOW TO INVEST WITH
                          AMERICAN CENTURY INVESTMENTS

AMERICAN CENTURY INVESTMENTS

     The funds  offered by this  Prospectus  are a part of the American  Century
Investments  family  of  mutual  funds.  Our  family  provides  a full  range of
investment  opportunities,  from  the  aggressive  equity  growth  funds  in our
Twentieth  Century Group,  to the fixed income funds in our Benham Group, to the
moderate risk and specialty  funds in our American  Century  Group.  Please call
1-800-345-2021  for a  brochure  or  prospectuses  for the  other  funds  in the
American Century Investments family.

   
     To reduce expenses and  demonstrate  respect for our  environment,  we have
initiated a project  through which we will  eliminate  duplicate  copies of most
financial  reports and  prospectuses  to most  households  and  deliver  account
statements to most households in a single envelope,  even if they have more than
one account.  If  additional  copies of financial  reports and  prospectuses  or
separate  mailing  of  account  statements  is  desired,  please  contact  us at
1-800-345-2021.
    

INVESTING IN AMERICAN CENTURY

     The following  section  explains how to invest in American  Century  funds,
including purchases, redemptions,  exchanges and special services. You will find
more detail about doing  business with us by referring to the Investor  Services
Guide that you will receive when you open an account.

     If  you  own  or  are   considering   purchasing  fund  shares  through  an
employer-sponsored  retirement  plan or through a bank,  broker-dealer  or other
financial  intermediary,  the  following  sections,  as well as the  information
contained  in our Investor  Services  Guide,  may not apply to you.  Please read
"Employer-Sponsored Retirement Plans and Institutional Accounts," page 22.

HOW TO OPEN AN ACCOUNT

     To open an account,  you must complete and sign an application,  furnishing
your  taxpayer  identification  number.  (You must also certify  whether you are
subject to  withholding  for failing to report  income to the IRS.)  Investments
received without a certified taxpayer identification number will be returned.

     The minimum investment is $100,000. The minimum investment requirements may
be different  for some types of  retirement  accounts.  Call one of our Investor
Services  Representatives  for  information on our retirement  plans,  which are
available  for  individual  investors  or  for  those  investing  through  their
employers.

     PLEASE NOTE: IF YOU REGISTER  YOUR ACCOUNT AS BELONGING TO MULTIPLE  OWNERS
(E.G., AS JOINT  TENANTS),  YOU MUST PROVIDE US WITH SPECIFIC  AUTHORIZATION  ON
YOUR  APPLICATION  IN ORDER FOR US TO ACCEPT  WRITTEN OR TELEPHONE  INSTRUCTIONS
FROM  A  SINGLE  OWNER.  OTHERWISE,  ALL  OWNERS  WILL  HAVE  TO  AGREE  TO  ANY
TRANSACTIONS  THAT INVOLVE THE ACCOUNT  (WHETHER THE  TRANSACTION  REQUEST IS IN
WRITING OR OVER THE TELEPHONE).

     You may invest in the following ways:

BY MAIL

     Send a  completed  application  and check or money  order  payable  in U.S.
dollars to American Century Investments.

BY WIRE

     You may make your initial  investment by wiring funds. To do so, call us or
mail  a  completed   application  and  provide  your  bank  with  the  following
information:

o    RECEIVING BANK AND ROUTING NUMBER:
     Commerce Bank, N.A. (101000019)

o    BENEFICIARY (BNF):
     American Century Services Corporation
     4500 Main St., Kansas City, Missouri 64111

o    BENEFICIARY ACCOUNT NUMBER (BNF ACCT):
     2804918

o    REFERENCE FOR BENEFICIARY (RFB):
     American Century account number into which you are investing.  If more than
     one, leave blank and see Bank to Bank Information below.

o    ORIGINATOR TO BENEFICIARY (OBI):
     Name and address of owner of account into which you are investing.

Prospectus                How To Invest With American Century Investments     17


o    BANK TO BANK INFORMATION
     (BBI OR FREE FORM TEXT):

     o   Taxpayer identification or Social Security number

     o   If more than one account,  account numbers and amount to be invested in
         each account.

   
     o   Current tax year, previous tax year or rollover  designation if an IRA.
         Specify whether IRA,  SEP-IRA or SARSEP-IRA,  SIMPLE Employer or SIMPLE
         Employee.
    

BY EXCHANGE

     Call  1-800-345-2021  from 7 a.m. to 7 p.m. Central time to get information
on opening an account by exchanging from another American  Century account.  See
this page for more information on exchanges.

IN PERSON

     If you prefer to work with a representative in person,  please visit one of
our Investor Centers, located at:

     4500 Main Street
     Kansas City, Missouri 64111

   
     4917 Town Center Drive
     Leawood, Kansas 66211
    

     1665 Charleston Road
     Mountain View, California 94043

     2000 S. Colorado Blvd.
     Denver, Colorado 80222

SUBSEQUENT INVESTMENTS

   
     Subsequent  investments  may be  made  by an  automatic  bank,  payroll  or
government direct deposit (see "Automatic Investment Plan," this page) or by any
of  the  methods  below.  The  minimum  investment  requirement  for  subsequent
investments:  $250 for checks submitted without the investment slip portion of a
previous  statement  or  confirmation,  $50 for all  other  types of  subsequent
investments.
    

BY MAIL

   
     When making subsequent investments,  enclose your check with the investment
slip portion of the  confirmation  of a previous  investment.  If the investment
slip is not  available,  indicate your name,  address and account number on your
check or a separate piece of paper. (Please be aware that the investment minimum
for subsequent investments is higher without an investment slip.)
    

BY TELEPHONE

     Once your  account is open,  you may make  investments  by telephone if you
have authorized us (by choosing "Full Services" on your  application) to draw on
your bank account.  You may call an Investor Services  Representative or use our
Automated Information Line.

BY ONLINE ACCESS

     Once your  account  is open,  you may make  investments  online if you have
authorized us (by choosing "Full Services" on your  application) to draw on your
bank account.

BY WIRE

     You may make  subsequent  investments  by wire.  Follow  the wire  transfer
instructions on page 17 and indicate your account number.

IN PERSON

   
     You may  make  subsequent  investments  in  person  at one of our  Investor
Centers. The locations of our four Investor Centers are listed on this page.
    

AUTOMATIC INVESTMENT PLAN

     You may elect on your  application  to make  investments  automatically  by
authorizing us to draw on your bank account regularly.  Such investments must be
at least the  equivalent  of $50 per  month.  You also may  choose an  automatic
payroll or government  direct  deposit.  If you are  establishing a new account,
check the appropriate box under  "Automatic  Investments" on your application to
receive  more  information.  If you  would  like to add a direct  deposit  to an
existing account, please call one of our Investor Services Representatives.

HOW TO EXCHANGE FROM ONE ACCOUNT TO ANOTHER

   
     As long as you meet any minimum investment  requirements,  you may exchange
your Premium  Bond shares to our other funds up to six times per year.  There is
no limit on the number of exchanges  you may make from Premium  Capital  Reserve
and Premium Government  Reserve. An exchange request will be processed as of the
same day it is  received,  if it is received  before the funds' net asset values
are  calculated,  which is one hour  prior  to the  close of the New York  Stock
Exchange for the funds issued by the American Century Target  Maturities  Trust,
and at the
    

18 How To Invest With American Century Investments  American Century Investments


close of the  Exchange  for all of our other  funds.  See "When  Share  Price is
Determined," page 23.

     For any single exchange, the shares of each fund being acquired must have a
value of at least $100.  However, we will allow investors to set up an Automatic
Exchange Plan between any two funds in the amount of at least $50 per month. See
our Investor Services Guide for further information about exchanges.

BY MAIL

     You may direct us in writing to  exchange  your  shares  from one  American
Century account to another. For additional information,  please see our Investor
Services Guide.

BY TELEPHONE

     You can make exchanges over the telephone (either with an Investor Services
Representative  or using our Automated  Information  Line -- see page 20) if you
have authorized us to accept telephone  instructions.  You can authorize this by
selecting "Full Services" on your application or by calling us at 1-800-345-2021
to get the appropriate form.

BY ONLINE ACCESS

     You  can  make  exchanges  online  if  you  have  authorized  us to  accept
instructions  over the  Internet.  You can  authorize  this by  selecting  "Full
Services"  on your  application  or by calling us at  1-800-345-2021  to get the
appropriate form.

HOW TO REDEEM SHARES

     We will redeem or "buy back" your shares at any time.  Redemptions  will be
made at the next net asset value determined after a complete  redemption request
is received.

     Please  note that a request to redeem  shares in an IRA or 403(b) plan must
be  accompanied  by an  executed  IRS Form W4-P and a reason for  withdrawal  as
specified by the IRS.

BY MAIL

     Your  written  instructions  to  redeem  shares  may be  made  either  by a
redemption  form,  which we will  send you upon  request,  or by a letter to us.
Certain  redemptions  may require a signature  guarantee.  Please see "Signature
Guarantee," page 20.

BY TELEPHONE

     If you have authorized us to accept telephone instructions,  you may redeem
your shares by calling an Investor Services Representative.

BY CHECK-A-MONTH

     You may redeem shares by a Check-A-Month plan, which automatically  redeems
enough  shares  each month to provide  you with a check for an amount you choose
(minimum  $50).  To set up a  Check-A-Month  plan,  please  call and request our
Check-A-Month brochure.

OTHER AUTOMATIC REDEMPTIONS

     You may elect to make  redemptions  automatically by authorizing us to send
funds to you or your account at a bank or other financial institution. To set up
automatic redemptions, call one of our Investor Services Representatives.

REDEMPTION PROCEEDS

     Please  note that  shortly  after a purchase  of shares is made by check or
electronic  draft (also known as an ACH draft) from your bank, we may wait up to
15 days or longer to send  redemption  proceeds (to allow your purchase funds to
clear).  No interest is paid on the redemption  proceeds after the redemption is
processed but before your redemption proceeds are sent.

     Redemption proceeds may be sent to you in one of the following ways:

BY CHECK

     Ordinarily,  all  redemption  checks will be made payable to the registered
owner of the shares and will be mailed only to the  address of record.  For more
information, please refer to our Investor Services Guide.

BY WIRE AND ACH

     You may authorize us to transmit  redemption proceeds by wire or ACH. These
services will be effective 15 days after we receive the authorization.

     Your bank will usually receive wired funds within 48 hours of transmission.
Electronically  transferred  funds  may  be  received  up to  seven  days  after
transmission.  Wired funds are subject to a $10 fee to cover bank wire  charges,
which is deducted from redemption proceeds. Once the funds are transmitted,  the
time of receipt and the funds' availability are not under our control.

Prospectus                How To Invest With American Century Investments     19


REDEMPTION OF SHARES IN LOW-BALANCE ACCOUNTS

     Whenever  the  shares  held in an  account  have a value  of less  than the
required  minimum,  a letter will be sent advising you of the necessity to bring
the value of the shares held in the account up to the minimum.  If action is not
taken within 90 days of the letter's  date,  the shares held in the account will
be redeemed and the proceeds from the  redemption  will be sent by check to your
address of record. We reserve the right to increase the investment minimums.

SIGNATURE GUARANTEE

     To protect  your  accounts  from fraud,  some  transactions  will require a
signature guarantee.  Which transactions will require a signature guarantee will
depend on which  service  options  you elect  when you open  your  account.  For
example,  if you  choose  "In  Writing  Only," a  signature  guarantee  would be
required when:

     o   redeeming more than $25,000; or

     o   establishing  or increasing a  Check-A-Month  or automatic  transfer on
         an existing account.

     You may obtain a signature  guarantee from a bank or trust company,  credit
union,  broker-dealer,  securities  exchange or association,  clearing agency or
savings association, as defined by federal law.

     For a more in-depth  explanation of our signature  guarantee  policy, or if
you live  outside  the  United  States  and  would  like to know how to obtain a
signature guarantee, please consult our Investor Services Guide.

     We reserve the right to require a signature  guarantee on any  transaction,
or to change this policy at any time.

SPECIAL SHAREHOLDER SERVICES

     We offer  several  service  options to make your account  easier to manage.
These are listed on the account  application.  Please make note of these options
and  elect  the ones  that are  appropriate  for you.  Be aware  that the  "Full
Services" option offers you the most flexibility. You will find more information
about each of these service options in our Investor Services Guide.

     Our special shareholder services include:

AUTOMATED INFORMATION LINE

     We offer an Automated  Information Line, 24 hours a day, seven days a week,
at 1-800-345-8765.  By calling the Automated Information Line, you may listen to
fund prices,  yields and total return  figures.  You may also use the  Automated
Information  Line to make  investments  into your accounts (if we have your bank
information  on file) and  obtain  your  share  balance,  value and most  recent
transactions.  If you have authorized us to accept telephone  instructions,  you
also may exchange shares from one fund to another via the Automated  Information
Line.  Redemption  instructions  cannot be given via the  Automated  Information
Line.

CHECKWRITING

     We offer  CheckWriting  as a service option for  shareholders of the funds.
CheckWriting  allows  you to redeem  shares in your  account  by writing a draft
("check") against your account balance. (Shares held in certificate form may not
be redeemed by check.)  There is no limit on the number of checks you can write,
but each one must be for at least $100.

     When you write a check,  you will  continue  to  receive  dividends  on all
shares until your check is presented  for payment to our clearing  bank.  If you
redeem all shares in your  account by check,  any accrued  distributions  on the
redeemed  shares  will be paid to you in cash on the next  monthly  distribution
date.

     If you want to add CheckWriting to an existing account, contact us by phone
or mail for an appropriate form. For a new account,  you may elect  CheckWriting
on  your  purchase   application  by  choosing  the  "Full   Services"   option.
CheckWriting is not available for any account held in an IRA or 403(b) plan.

     CheckWriting  redemptions  may  only  be  made on  checks  provided  by us.
Currently, there is no charge for checks or for the CheckWriting service.

     We will  return  checks  drawn  on  insufficient  funds  or on  funds  from
investments  made by any means other than by wire  within the  previous 15 days.
Neither  we nor our  clearing  bank  will be  liable  for any  loss or  expenses
associated  with  returned  checks.  Your  account may be assessed a $15 service
charge for checks drawn on insufficient funds.

     A stop payment may be ordered on a check written  against your account.  We
will use reasonable  efforts to stop a payment,  but we cannot guarantee that we
will be able to do so. If we are successful in fulfilling a stop-payment  order,
your account may be assessed a $15 fee.

20 How To Invest With American Century Investments  American Century Investments


ONLINE ACCOUNT ACCESS

   
     You   may   contact   us  24   hours   a  day,   seven   days  a  week   at
www.americancentury.com to access your fund's daily share price, receive updates
on major market  indices and view  historical  performance  of your fund. If you
select "Full  Services" on your  application,  you can use your personal  access
code and  Social  Security  number  to view your  account  balance  and  account
activity,  make subsequent investments from your bank account or exchange shares
from one fund to another.
    

OPEN ORDER SERVICE

     Through our open order  service,  you may designate a price at which to buy
shares of a variable-priced fund by exchange from one of our money market funds,
or a price at which to sell shares of a variable-priced  fund by exchange to one
of our money market funds.  The  designated  purchase  price must be equal to or
lower, or the designated sale price equal to or higher, than the variable-priced
fund's net asset value at the time the order is placed.  If the designated price
is  met  within  90  calendar   days,  we  will  execute  your  exchange   order
automatically at that price (or better). Open orders not executed within 90 days
will be canceled.

     If the fund you have selected deducts a distribution  from its share price,
your order  price will be  adjusted  accordingly  so the  distribution  does not
inadvertently  trigger an open order transaction on your behalf. If you close or
re-register  the  account  from which the shares are to be  redeemed,  your open
order will be canceled.

     Because  of  their  time-sensitive  nature,  open  order  transactions  are
accepted  only by  telephone  or in person.  These  transactions  are subject to
exchange limitations described in each fund's prospectus, except that orders and
cancellations  received  before 2 p.m.  Central time are effective the same day,
and orders or cancellations received after 2 p.m. Central time are effective the
next business day.

TAX-QUALIFIED RETIREMENT PLANS

     The fund is available for your tax-deferred  retirement plan. Call or write
us and request the appropriate forms for:

     o   Individual Retirement Accounts (IRAs);

     o   403(b) plans for  employees  of public  school  systems and  non-profit
         organizations; or

     o   Profit  sharing  plans and  pension  plans for  corporations  and other
         employers.

     You can also transfer your  tax-deferred plan to us from another company or
custodian. Call or write us for a Request to Transfer form.

IMPORTANT POLICIES REGARDING YOUR INVESTMENTS

     Every  account is subject to policies  that could  affect your  investment.
Please refer to the Investor  Services Guide for further  information  about the
policies discussed below, as well as further detail about the services we offer.

     (1) We reserve the right for any reason to suspend  the  offering of shares
for a period of time,  or to  reject  any  specific  purchase  order  (including
purchases  by  exchange).  Additionally,  purchases  may be  refused  if, in the
opinion of the manager,  they are of a size that would disrupt the management of
the fund.

     (2)  We  reserve  the  right  to  make  changes  to any  stated  investment
requirements,   including   those  that  relate  to  purchases,   transfers  and
redemptions.  In addition,  we may also alter,  add to or terminate any investor
services and privileges. Any changes may affect all shareholders or only certain
series or classes of shareholders.

     (3)  Shares  being  acquired  must be  qualified  for sale in your state of
residence.

     (4)  Transactions  requesting  a specific  price and date,  other than open
orders,  will be refused.  Once you have mailed or  otherwise  transmitted  your
transaction instructions to us, they may not be modified or canceled.

     (5) If a transaction request is made by a corporation,  partnership, trust,
fiduciary,  agent  or  unincorporated  association,  we  will  require  evidence
satisfactory to us of the authority of the individual making the request.

     (6) We have established  procedures  designed to assure the authenticity of
instructions received by telephone. These procedures include requesting personal
identification  from callers,  recording  telephone calls, and providing written
confirmations  of  telephone  transactions.  These  procedures  are  designed to
protect shareholders from unauthorized or fraudulent instructions.  If we do not
employ reasonable procedures to

Prospectus                How To Invest With American Century Investments     21


confirm the genuineness of instructions, then we may be liable for losses due to
unauthorized  or fraudulent  instructions.  The company,  its transfer agent and
investment advisor will not be responsible for any loss due to instructions they
reasonably believe are genuine.

     (7) All   signatures   should  be  exactly  as  the  name  appears  in  the
registration.   If  the  owner's  name  appears  in  the  registration  as  Mary
Elizabeth Jones, she should sign that way and not as Mary E. Jones.

     (8)  Unusual  stock  market  conditions  have in the  past  resulted  in an
increase  in the  number  of  shareholder  telephone  calls.  If you  experience
difficulty  in reaching us during such  periods,  you may send your  transaction
instructions by mail,  express mail or courier service,  or you may visit one of
our Investors  Centers.  You may also use our Automated  Information Line if you
have  requested  and  received an access code and are not  attempting  to redeem
shares.

     (9) If  you  fail  to  provide  us  with  the  correct  certified  taxpayer
identification number, we may reduce any redemption proceeds by $50 to cover the
penalty the IRS will impose on us for  failure to report your  correct  taxpayer
identification number on information reports.

     (10)We will perform special inquiries on shareholder  accounts.  A research
fee of $15 per hour may be applied.

REPORTS TO SHAREHOLDERS

     At the end of  each  calendar  quarter,  we will  send  you a  consolidated
statement that summarizes all of your American Century  holdings,  as well as an
individual  statement  for  each  fund you own that  reflects  all  year-to-date
activity in your account.  You may request a statement of your account  activity
at any time.

     With  the  exception  of  most  automatic   transactions  and  CheckWriting
activity,  each time you invest,  redeem,  transfer or exchange shares,  we will
send  you a  confirmation  of the  transaction.  CheckWriting  activity  will be
confirmed monthly. See the Investor Services Guide for more detail.

     CAREFULLY  REVIEW ALL THE  INFORMATION  RELATING  TO  TRANSACTIONS  ON YOUR
STATEMENTS  AND  CONFIRMATIONS  TO ENSURE THAT YOUR  INSTRUCTIONS  WERE ACTED ON
PROPERLY.  PLEASE NOTIFY US IMMEDIATELY IN WRITING IF THERE IS AN ERROR.  IF YOU
FAIL TO PROVIDE  NOTIFICATION  OF AN ERROR  WITH  REASONABLE  PROMPTNESS,  I.E.,
WITHIN 30 DAYS OF  NON-AUTOMATIC  TRANSACTIONS  OR WITHIN 30 DAYS OF THE DATE OF
YOUR CONSOLIDATED QUARTERLY STATEMENT, IN THE CASE OF AUTOMATIC TRANSACTIONS, WE
WILL DEEM YOU TO HAVE RATIFIED THE TRANSACTION.

     No later than  January 31 of each year,  we will send you reports  that you
may use in completing  your U.S.  income tax return.  See the Investor  Services
Guide for more information.

     Each year, we will send you an annual and a semiannual  report  relating to
your fund, each of which is incorporated herein by reference.  The annual report
includes audited financial  statements and a list of portfolio  securities as of
the  fiscal  year  end.  The  semiannual  report  includes  unaudited  financial
statements  for the first six  months of the fiscal  year,  as well as a list of
portfolio  securities at the end of the period. You also will receive an updated
prospectus at least once each year.  Please read these materials  carefully,  as
they will help you understand your fund.

EMPLOYER-SPONSORED RETIREMENT PLANS
AND INSTITUTIONAL ACCOUNTS

     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,  your  ability to  purchase  shares of the
funds, exchange them for shares of other American Century funds, and redeem them
will depend on the terms of your plan.

     If you  own or are  considering  purchasing  fund  shares  through  a bank,
broker-dealer,  insurance company or other financial intermediary,  your ability
to purchase,  exchange and redeem shares will depend on your agreement with, and
the policies of, such financial intermediary.

     You may reach  one of our  Investor  Services  Representatives  by  calling
1-800-345-3533 to request information about our funds and services,  to obtain a
current  prospectus or to get answers to any questions  about our funds that you
are unable to obtain through your plan administrator or financial intermediary.

22 How To Invest With American Century Investments  American Century Investments


                     ADDITIONAL INFORMATION YOU SHOULD KNOW

SHARE PRICE

WHEN SHARE PRICE IS DETERMINED

   
     The price of your shares is also referred to as their net asset value.  Net
asset value is determined  by  calculating  the total value of a fund's  assets,
deducting  total  liabilities  and  dividing  the result by the number of shares
outstanding. For all American Century funds, except funds issued by the American
Century Target  Maturities  Trust, net asset value is determined at the close of
regular trading on each day that the New York Stock Exchange is open,  usually 3
p.m.  Central  time.  The net asset values for the Target  Maturities  funds are
determined one hour prior to the close of the Exchange.

     Investments  and  requests  to redeem or exchange  shares will  receive the
share price next  determined  after we receive your  investment,  redemption  or
exchange  request.  For example,  investments and requests to redeem or exchange
shares  received by us or one of our agents  before the time as of which the net
asset  value is  determined,  are  effective  on,  and will  receive  the  price
determined,  that day.  Investment,  redemption and exchange  requests  received
thereafter  are effective on, and receive the price  determined on, the next day
the Exchange is open.

     Investments  are considered  received only when your payment is received by
us.  Wired funds are  considered  received on the day they are  deposited in our
bank  account  if they are  deposited  before the time as of which the net asset
value of the fund is determined.
    

     Investments by telephone pursuant to your prior authorization to us to draw
on your bank account are considered received at the time of your telephone call.

   
     Investment and transaction  instructions received by us on any business day
by mail  prior  to the  time as of  which  the net  asset  value  of the fund is
determined, will receive that day's price. Investments and instructions received
after that time will receive the price determined on the next business day.
    

     If you invest in fund shares through an employer-sponsored  retirement plan
or  other  financial  intermediary,  it  is  the  responsibility  of  your  plan
recordkeeper or financial  intermediary to transmit your purchase,  exchange and
redemption requests to the funds' transfer agent prior to the applicable cut-off
time for receiving  orders and to make payment for any purchase  transactions in
accordance with the funds'  procedures or any contractual  arrangement  with the
funds or the funds' distributor in order for you to receive that day's price.

     Redemption requests made by CheckWriting are considered received by us when
the CheckWriting check is presented to our clearing bank for payment.

HOW SHARE PRICE IS DETERMINED

     The valuation of assets for  determining  net asset value may be summarized
as follows:

     Portfolio  securities of Premium Bond, except as otherwise noted, listed or
traded on a domestic  securities  exchange  are valued at the last sale price on
that  exchange.  Portfolio  securities  primarily  traded on foreign  securities
exchanges  are  generally  valued  at  the  preceding  closing  values  of  such
securities on the exchange where primarily traded. If no sale is reported, or if
local convention or regulation so provides, the mean of the latest bid and asked
prices is used.  Depending on local convention or regulation,  securities traded
over-the-counter  are priced at the mean of the latest bid and asked prices,  or
at the last sale  price.  When  market  quotations  are not  readily  available,
securities and other assets are valued at fair value as determined in accordance
with procedures adopted by the Board of Directors.

     Debt  securities not traded on a principal  securities  exchange are valued
through  valuations  obtained from a commercial  pricing  service or at the most
recent  mean of the bid and asked  prices  provided  by  investment  dealers  in
accordance with procedures established by the Board of Directors.

     The value of an  exchange-traded  foreign  security  is  determined  in its
national currency as of the close of trading on the foreign exchange on which it
is traded or as of the close of business on the New York Stock Exchange, if that
is earlier.  That value is then converted to dollars at the  prevailing  foreign
exchange rate.

Prospectus                         Additional Information You Should Know     23


     Trading in securities on European and Far Eastern securities  exchanges and
over-the-counter markets is normally completed at various times before the close
of  business on each day that the New York Stock  Exchange is open.  If an event
were to occur after the value of a security was  established  but before the net
asset value per share was determined,  which was likely to materially change the
net asset value,  then that security would be valued at fair value as determined
in accordance with procedures adopted by the Board of Directors.

     Trading of these  securities in foreign markets may not take place on every
New York Stock  Exchange  business  day. In addition,  trading may take place in
various  foreign  markets on Saturdays or on other days when the Exchange is not
open and on which a fund's net asset value is not  calculated.  Therefore,  such
calculation does not take place  contemporaneously with the determination of the
prices of many of the  portfolio  securities  used in such  calculation  and the
value of the fund's  portfolio  may be  affected on days when shares of the fund
may not be purchased or redeemed.

     The  securities  held in the  portfolios  of Premium  Capital  Reserve  and
Premium  Government  Reserve are valued at  amortized  cost.  When a security is
valued at amortized cost, it is valued at its cost when purchased and thereafter
by assuming a constant  amortization  to  maturity  of any  discount or premium,
regardless of the impact of  fluctuating  interest  rates on the market value of
the investment.

WHERE TO FIND INFORMATION ABOUT SHARE PRICE

   
     Upon satisfaction of the National  Association of Securities Dealers,  Inc.
publication requirements,  the net asset value of Premium Bond will be published
in leading  newspapers  daily. The yields of Premium Capital Reserve and Premium
Government  Reserve will be published weekly in leading  financial  publications
and daily in many local newspapers. The net asset value of each fund may also be
obtained by calling us or by accessing our Web site (www.americancentury.com).
    

DISTRIBUTIONS

     At the close of each day, including  Saturdays,  Sundays and holidays,  net
income and,  with  regard to Premium  Capital  Reserve  and  Premium  Government
Reserve, net realized gains on portfolio securities,  of the funds is determined
and declared as a  distribution.  The  distribution  will be paid monthly on the
last Friday of each month, except for year-end distribution,  which will be paid
on the last business day of the year.

     You will  begin to  participate  in the  distributions  the day after  your
purchase is  effective.  See "When Share Price is  Determined,"  page 23. If you
redeem  shares,  you will receive the  distribution  declared for the day of the
redemption.  If all  shares  are  redeemed  (other  than by  CheckWriting),  the
distribution  on the  redeemed  shares  will be  included  with your  redemption
proceeds.

     Distributions  from net realized  securities gains on Premium Bond, if any,
generally  are  declared  and  paid  once  a  year,   but  the  funds  may  make
distributions  on  a  more  frequent  basis  to  comply  with  the  distribution
requirements of the Internal  Revenue Code and  Regulations,  in all events in a
manner  consistent  with the provisions of the Investment  Company Act.  Premium
Capital  Reserve  and  Premium  Government  Reserve do not expect to realize any
long-term capital gains, and accordingly, do not expect to pay any capital gains
distributions.

     Distributions  will be reinvested unless you elect to receive them in cash.
Distributions of less than $10 generally will be reinvested.  Distributions made
shortly after a purchase made by check or ACH may be held up to 15 days. You may
elect to have distributions on shares held in Individual Retirement Accounts and
403(b)  plans  paid  in  cash  only  if you are at  least  59 1/2  years  old or
permanently and totally disabled. Distribution checks normally are mailed within
seven days after the record date. Please consult our Investor Services Guide for
further information regarding your distribution options.

TAXES

     Each  fund has  elected  to be taxed  under  Subchapter  M of the  Internal
Revenue Code, which means that since each fund distributes all of its income, it
pays no income taxes.

TAX-DEFERRED ACCOUNTS

     If fund  shares are  purchased  through  tax-deferred  accounts,  such as a
qualified employer-sponsored

24   Additional Information You Should Know         American Century Investments


retirement or savings plan, income and capital gains  distributions  paid by the
fund will generally not be subject to current  taxation,  but will accumulate in
your account under the plan on a tax-deferred basis.

     Employer-sponsored retirement and savings plans are governed by complex tax
rules.  If you elect to participate in your employer's  plan,  consult your plan
administrator,  your plan's  summary plan  description,  or a  professional  tax
advisor   regarding  the  tax   consequences  of   participation  in  the  plan,
contributions to, and withdrawals or distributions from the plan.

TAXABLE ACCOUNTS

     If fund shares are purchased through taxable accounts, distributions of net
investment  income  and net  short-term  capital  gains  are  taxable  to you as
ordinary income, except as described below. The dividends from net income of the
fund do not qualify for the 70%  dividends-received  deduction for  corporations
since they are derived from interest  income.  Distributions  from net long-term
capital gains are taxable as long-term capital gains regardless of the length of
time the  shares  on which  such  distributions  are paid  have been held by the
shareholder.

     Dividends and interest  received by Premium Bond on foreign  securities may
give rise to  withholding  and other  taxes  imposed by foreign  countries.  Tax
conventions  between  certain  countries  and the  United  States  may reduce or
eliminate such taxes. Foreign countries generally do not impose taxes on capital
gains in respect of investments  by  non-resident  investors.  The foreign taxes
paid by the fund will reduce its dividends.

     Although it is not anticipated that it will happen, if more than 50% of the
value of Premium  Bond's total assets at the end of any fiscal year  consists of
securities  of  foreign  corporations,  the  fund  may  qualify  for and make an
election with the Internal  Revenue  Service with respect to such fiscal year so
that fund  shareholders  may be able to claim a foreign  tax credit in lieu of a
deduction  for  foreign  income  taxes paid by the fund.  If such an election is
made,  the foreign taxes paid by the fund will be treated as income  received by
you.

     Distributions  are taxable to you  regardless  of whether they are taken in
cash or reinvested,  even if the value of your shares is below your cost. If you
purchase shares shortly before a distribution,  you must pay income taxes on the
distribution,  even though the value of your investment (plus cash received,  if
any)  remains the same.  In  addition,  the share price at the time you purchase
shares may include  unrealized  gains in the  securities  held in the investment
portfolio of the fund. If these portfolio  securities are subsequently  sold and
the gains are realized,  they will, to the extent not offset by capital  losses,
be paid to you as a distribution  of capital gains and will be taxable to you as
short-term or long-term capital gains.

     In January of the year following the  distribution,  if you own shares in a
taxable account, you will receive a Form 1099-DIV notifying you of the status of
your distributions for federal income tax purposes.

     Distributions  may also be subject to state and local taxes, even if all or
a  substantial  part of such  distributions  are derived  from  interest on U.S.
government  obligations  which,  if you received them directly,  would be exempt
from state income tax. However, most but not all states allow this tax exemption
to pass  through  to fund  shareholders  when a fund pays  distributions  to its
shareholders.  You should  consult your tax advisor about the tax status of such
distributions in your own state.

     If you have not complied with certain  provisions  of the Internal  Revenue
Code and  Regulations,  we are  required by federal law to withhold and remit to
the IRS 31% of reportable  payments (which may include dividends,  capital gains
distributions  and redemptions).  Those regulations  require you to certify that
the Social Security number or tax  identification  number you provide is correct
and that you are not subject to 31% withholding for previous  under-reporting to
the  IRS.  You  will be asked  to make  the  appropriate  certification  on your
application.  Payments  reported by us that omit your Social  Security number or
taxpayer  identification  number will subject  American  Century to a penalty of
$50,  which  will be charged  against  your  account if you fail to provide  the
certification by the time the report is filed and is not refundable.

     Premium Bond may adjust its  dividends to take currency  fluctuations  into
account,  which may cause the dividends to vary. If the fund's  dividends exceed
its taxable income in any year, which is sometimes the

Prospectus                         Additional Information You Should Know     25


result of currency-related  losses, all or a portion of the fund's dividends may
be treated as a return of capital to shareholders  for tax purposes.  Any return
of capital  will  reduce the cost basis of your  shares,  which will result in a
higher reported capital gain or a lower reported capital loss when you sell your
shares.   The  Form  1099-DIV  you  receive  in  January  will  specify  if  any
distributions included a return of capital.

     Redemption  of shares of Premium  Bond  (including  redemptions  made in an
exchange  transaction)  will be a taxable  transaction  for  federal  income tax
purposes and  shareholders  will  generally  recognize gain or loss in an amount
equal to the difference between the basis of the shares and the amount received.
Assuming that shareholders hold such shares as a capital asset, the gain or loss
will be a capital gain or loss and will  generally be long term if  shareholders
have held such shares for a period of more than one year.  If a loss is realized
on the redemption of fund shares,  the  reinvestment  in additional  fund shares
within 30 days before or after the  redemption may be subject to the "wash sale"
rules of the Code,  resulting in a postponement  of the recognition of such loss
for federal income tax purposes.

MANAGEMENT

INVESTMENT MANAGEMENT

     Under  the laws of the  State  of  Maryland,  the  Board  of  Directors  is
responsible for managing the business and affairs of the funds.  Acting pursuant
to an  investment  management  agreement  entered into with the funds,  American
Century  Investment  Management,  Inc.  serves as the investment  manager of the
funds.  Its principal  place of business is American  Century  Tower,  4500 Main
Street,  Kansas City, Missouri 64111. The manager has been providing  investment
advisory services to investment companies and institutional clients since it was
founded in 1958.
       

     The manager  supervises and manages the  investment  portfolio of each fund
and directs the purchase and sale of its  investment  securities.  It utilizes a
team of portfolio  managers,  assistant  portfolio  managers and analysts acting
together to manage the assets of the funds.  The team meets  regularly to review
portfolio  holdings and to discuss purchase and sale activity.  The team adjusts
holdings in the funds'  portfolios  as they deem  appropriate  in pursuit of the
funds' investment  objectives.  Individual portfolio manager members of the team
may also  adjust  portfolio  holdings  of the funds as  necessary  between  team
meetings.

     The portfolio  manager members of the teams managing the funds described in
this  Prospectus  and  their  work  experience  for the last  five  years are as
follows:

     NORMAN  E.  HOOPS,   Senior  Vice  President  and  Fixed  Income  Portfolio
Manager,  joined  American  Century as Vice  President and Portfolio  Manager in
November  1989. In April 1993, he became Senior Vice  President.  He is a member
of the team that manages Premium Bond.
       

     JEFFREY  L.  HOUSTON,  Portfolio  Manager,  joined  American  Century as an
Investment  Analyst in 1990.  He became a  Portfolio  Manager  in 1994.  He is a
member of the team that manages Premium Bond.

   
     AMY O'DONNELL, Portfolio Manager, 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 is a member  of the team  that  manages
Premium Government Reserve.

     DENISE  TOBACCO,  Portfolio  Manager,  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 is a member of the teams  that
manage Premium Capital Reserve and Premium Government Reserve.
    

     The  activities of the manager are subject only to directions of the funds'
Board of  Directors.  The  manager  pays all the  expenses  of the funds  except
brokerage,  taxes,  interest,  fees and  expenses of the  non-interested  person
directors (including counsel fees) and extraordinary expenses.

     For the services provided to the funds, the manager receives a fee of 0.45%
of each fund's  average net assets during the year. The fee is paid and computed
each month by multiplying  0.45% of the aggregate average daily closing value of
each fund's net assets during the previous month by a fraction, the numerator of
which is the number of days in the previous month,  and the denominator of which
is 365 (366 in leap years).

26   Additional Information You Should Know         American Century Investments


CODE OF ETHICS

     The funds and the manager  have adopted a Code of Ethics,  which  restricts
personal  investing  practices by  employees of the manager and its  affiliates.
Among other  provisions,  the Code of Ethics requires that employees with access
to information about the purchase or sale of securities in the funds' portfolios
obtain  preclearance before executing personal trades. With respect to Portfolio
Managers  and  other  investment   personnel,   the  Code  of  Ethics  prohibits
acquisition  of securities  in an initial  public  offering,  as well as profits
derived from the purchase and sale of the same security within 60 calendar days.
These provisions are designed to ensure that the interests of fund  shareholders
come before the interests of the people who manage those funds.

TRANSFER AND ADMINISTRATIVE SERVICES

     American  Century  Services  Corporation,  4500 Main  Street,  Kansas City,
Missouri,  64111 acts as transfer agent and dividend-paying agent for the funds.
It provides  facilities,  equipment  and  personnel to the funds and is paid for
such services by the manager.

     Certain  recordkeeping and administrative  services that would otherwise be
performed  by the transfer  agent may be  performed  by an insurance  company or
other  entity  providing  similar  services for various  retirement  plans using
shares  of the  funds as a  funding  medium,  by  broker-dealers  and  financial
advisors  for their  customers  investing  in shares of  American  Century or by
sponsors of multi mutual fund no- or low-transaction  fee programs.  The manager
or an affiliate may enter into contracts to pay them for such  recordkeeping and
administrative services out of its unified management fee.

     Although  there is no sales  charge  levied by the funds,  transactions  in
shares of the funds may be executed by brokers or investment advisors who charge
a transaction-based  fee or other fee for their services.  Such charges may vary
among broker-dealers or financial advisors, but in all cases will be retained by
the  broker-dealer  or  financial  advisor and not  remitted to the funds or the
manger.  You  should be aware of the fact that  these  transactions  may be made
directly with American Century without incurring such fees.

     From time to time,  special  services  may be offered to  shareholders  who
maintain  higher  share  balances  in our family of funds.  These  services  may
include the waiver of minimum investment requirements, expedited confirmation of
shareholder  transactions,  newsletters and a team of personal  representatives.
Any expenses associated with these special services will be paid by the manager.

     The  manager  and the  transfer  agent are both  wholly  owned by  American
Century  Companies,  Inc. James E. Stowers Jr.,  Chairman of the funds' Board of
Directors,  controls  American Century Companies by virtue of his ownership of a
majority of its common stock.

DISTRIBUTION OF FUND SHARES

     The funds' shares are distributed by American Century Investment  Services,
Inc., a  registered  broker-dealer  and an  affiliate  of the funds'  investment
manager. The manager pays all expenses for promoting and distributing the funds.

FURTHER INFORMATION ABOUT AMERICAN CENTURY

     American  Century  Premium  Reserves,  Inc.,  the issuer of the funds,  was
organized as a Maryland  corporation  in January 1993.  Its business and affairs
are managed by its officers under the direction of its Board of Directors.

     The  principal  office of the funds is American  Century  Tower,  4500 Main
Street,  P.O. Box 419200,  Kansas City, Missouri  64141-6200.  All inquiries may
be  made  by  mail  to  that   address,   or  by  telephone  to   1-800-345-2021
(international calls: 816-531-5575).

     American  Century  Premium  Reserves,  Inc. issues three series of $.01 par
value  shares.  Each  series  is  commonly  referred  to as a fund.  The  assets
belonging to each series of shares are held separately by the custodian.

     Each share, irrespective of series, is entitled to one vote for each dollar
of net asset  value  applicable  to such share on all  questions,  except  those
matters  which must be voted on  separately  by the  series of shares  affected.
Matters affecting only one series are voted upon only by that series.

     Shares have non-cumulative  voting rights,  which means that the holders of
more than 50% of the votes cast in an election of directors can elect all of the
directors if they choose to do so, and in such event

Prospectus                         Additional Information You Should Know     27


the  holders  of the  remaining  votes  will not be able to elect any  person or
persons to the Board of Directors.

     Unless required by the Investment Company Act, it will not be necessary for
the funds to hold annual meetings of shareholders. As a result, shareholders may
not vote each year on the election of directors or the  appointment of auditors.
However, pursuant to the funds' bylaws, the holders of at least 10% of the votes
entitled  to be cast  may  request  the  funds  to  hold a  special  meeting  of
shareholders. We will assist in the communication with other shareholders.

     WE  RESERVE  THE  RIGHT  TO  CHANGE  ANY OF  OUR  POLICIES,  PRACTICES  AND
PROCEDURES  DESCRIBED IN THIS PROSPECTUS,  INCLUDING THE STATEMENT OF ADDITIONAL
INFORMATION,  WITHOUT  SHAREHOLDER  APPROVAL  EXCEPT  IN THOSE  INSTANCES  WHERE
SHAREHOLDER APPROVAL IS EXPRESSLY REQUIRED.

28   Additional Information You Should Know         American Century Investments


                                     NOTES

Prospectus                                                          Notes     29


P.O. Box 419200
Kansas City, Missouri
64141-6200

   
Investor Services:
1-800-345-2021 or 816-531-5575
    

Automated Information Line:
1-800-345-8765

   
Telecommunications Device for the Deaf:
1-800-634-4113 or 816-444-3485
    

Fax: 816-340-7962

Internet: www.americancentury.com

                            [american century logo]
                                    American
                                  Century(sm)

9708           [recycled logo]
SH-BKT-8901       Recycled
<PAGE>
                       STATEMENT OF ADDITIONAL INFORMATION

                             [american century logo]
                                    American
                                   Century(sm)

   
                                 AUGUST 1, 1997
    

                                     BENHAM
                                    GROUP(R)

   
                           Premium Government Reserve
                             Premium Capital Reserve
                                  Premium Bond
    

[front cover]

   
                       STATEMENT OF ADDITIONAL INFORMATION
                                 AUGUST 1, 1997
    

                     AMERICAN CENTURY PREMIUM RESERVES, INC.

   
This Statement is not a prospectus  but should be read in  conjunction  with the
current  Prospectus of American Century Premium  Reserves,  Inc. dated August 1,
1997. Please retain this document for future reference.To obtain the Prospectus,
call   American   Century   toll-free  at   1-800-345-2021   (816-531-5575   for
international  calls),  or write  to P.O.  Box  419200,  Kansas  City,  Missouri
64141-6200.
    

TABLE OF CONTENTS

Investment Objectives of the Funds.............................................2
Selection of Investments.......................................................2
Investment Restrictions........................................................3
An Explanation of Fixed Income Securities Ratings..............................4
Forward Currency Exchange Contracts............................................5
Interest Rate Futures Contracts and Related Options............................6
Officers and Directors........................................................10
Management....................................................................11
Custodians....................................................................12
Independent Auditors..........................................................12
Capital Stock.................................................................13
Taxes.........................................................................13
Brokerage.....................................................................14
Performance Advertising.......................................................14
Redemptions in Kind...........................................................16
Holidays......................................................................16
Financial Statements..........................................................16

Statement of Additional Information                                            1


INVESTMENT OBJECTIVES OF THE FUNDS

     The  investment  objective  of each  series  of shares  issued by  American
Century Premium Reserves, Inc. is described on the cover page of the Prospectus.
In achieving its objective,  each fund must conform to certain policies, some of
which are  designated  in the  Prospectus  or in this  Statement  of  Additional
Information as "fundamental" and cannot be changed without shareholder approval.

     Neither the  Securities  and Exchange  Commission  nor any other federal or
state agency  participates in or supervises the management of the funds or their
investment practices or policies.

SELECTION OF INVESTMENTS

PREMIUM GOVERNMENT RESERVE

     The manager will invest the Premium  Government  Reserve  portfolio in debt
securities payable in U.S. currency.  Such securities must be obligations issued
or  guaranteed  by the U.S.  government  or its agencies and  instrumentalities,
including  repurchase  agreements for such  securities.  The manager  intends to
purchase  securities  that have quality and maturity  characteristics  that will
allow  Premium  Government  Reserve to be  designated as a money market fund and
enable it to maintain a stable offering price per share.

     The manager will invest the Premium  Government Reserve portfolio in direct
obligations of the United  States,  such as Treasury  bills,  Treasury notes and
U.S.  government  bonds,  that are supported by the full faith and credit of the
United States. The manager may also invest in agencies and  instrumentalities of
the  U.S.   government.   The   securities   of  some  of  such   agencies   and
instrumentalities  are  supported  by the  full  faith  and  credit  of the U.S.
Treasury;  others are  supported  by the right of the issuer to borrow  from the
Treasury;  still  others  are  supported  only by the  credit  of the  agency or
instrumentality.  Such  agencies  and  instrumentalities  include,  but  are not
limited to, the  Government  National  Mortgage  Association,  Federal  National
Mortgage  Association,  Federal  Home Loan  Mortgage  Corporation,  Student Loan
Marketing  Association,  Federal Farm Credit Banks, Federal Home Loan Banks, and
Resolution Funding Corporation. Purchase of such securities may be made outright
or on a when-issued basis and may be made subject to repurchase agreements.

PREMIUM CAPITAL RESERVE

     The manager  will  invest the Premium  Capital  Reserve  portfolio  in debt
securities payable in U.S.  currency.  Such securities may be obligations issued
or guaranteed by the U.S.  government or its agencies and  instrumentalities  of
the same  types and from the same  issuers as  described  above  under  "Premium
Government  Reserve."  In  addition,  Premium  Capital  Reserve  may  invest  in
obligations  issued by corporations and others. It also may invest in repurchase
agreements  for  all  of  such  securities.  The  manager  intends  to  purchase
securities  with quality and maturity  characteristics  that will allow  Premium
Capital  Reserve  to be  designated  as a money  market  fund and  enable  it to
maintain a stable offering price per share.

PREMIUM BOND

     The  manager  will  invest  the  Premium   Bond   portfolio  in  high-  and
medium-grade debt securities  payable in both U.S. and foreign  currencies.  The
fund may invest in  securities  that,  at the time of  purchase,  are rated by a
nationally  recognized  statistical rating organization or, if not rated, are of
equivalent  investment  quality as  determined  by the  management,  as follows:
short-term  notes  within  the  two  highest  categories;  corporate,  sovereign
government and municipal bonds within the four highest categories; securities of
the U.S. government and its agencies and  instrumentalities;  and other types of
securities  rated at least P-2 by Moody's or A-2 by S&P.  Premium  Bond may also
purchase  securities under repurchase  agreements as described in the Prospectus
and purchase and sell interest rate futures contracts and related options.  (See
"Interest Rate Futures Contracts and Related Options," page 6.)

     Premium Bond may buy and sell interest rate futures  contracts  relating to
debt securities ("debt futures," i.e., futures relating to debt securities,  and
"bond index  futures," i.e.,  futures  relating to indices on types or groups of
bonds) and write and buy put and call options  relating to interest rate futures
contracts for the purpose of hedging  against (i) declines or possible  declines
in the market  value of debt  securities  or (ii)  inability to  participate  in
advances in the

2                                                   American Century Investments


market values of debt securities at times when the fund is not fully invested in
long-term  debt  securities;  provided  that it may not purchase or sell futures
contracts or related options if immediately  thereafter the sum of the amount of
margin deposits on its existing futures  positions and premiums paid for related
options would exceed 5% of the fund's assets.

INVESTMENT COMPANY ACT RULE 2A-7

     Premium  Government  Reserve  and Premium  Capital  Reserve  each  operates
pursuant  to  Invest-ment  Company Act Rule 2a-7,  which  permits  valuation  of
portfolio  securities  on the basis of amortized  cost. As required by the Rule,
the Board of Directors  has adopted  procedures  designed to  stabilize,  to the
extent  reasonably  possible,  each fund's  price per share as computed  for the
purpose of sales and  redemptions at $1.00.  While the  day-to-day  operation of
each  fund  has  been  delegated  to  the  manager,   the  quality  requirements
established   by   the   procedures   limit    investments   to   certain   U.S.
dollar-denominated  instruments  that the  Board  of  Directors  has  determined
present  minimal credit risks and that have been rated in one of the two highest
rating categories as determined by a nationally  recognized  statistical  rating
organization or, in the case of an unrated security,  of comparable quality. The
procedures require review of each fund's portfolio holdings at such intervals as
are  reasonable in light of current market  conditions to determine  whether the
fund's net asset value calculated by using available market quotations  deviates
from the per-share  value based on amortized cost. The procedures also prescribe
the action to be taken if such deviation should occur.

INVESTMENT RESTRICTIONS

     Fundamental  policies  that may be changed only with  shareholder  approval
provide as follows:

   
     (1) The funds shall not issue senior securities,  except as permitted under
the Investment Company Act of 1940.


     (2) The funds  shall not  borrow  money,  except  that the funds may borrow
money for temporary or emergency  purposes (not for leveraging or investment) in
an amount not exceeding 331/3% of the funds' total assets  (including the amount
borrowed) less liabilities (other than borrowings).

     (3) The funds  shall not lend any  security or make any other loan if, as a
result,  more than  331/3% of the  funds'  total  assets  would be lent to other
parties,  except, (i) through the purchase of debt securities in accordance with
its  investment  objective,  policies  and  limitations,  or (ii) by engaging in
repurchase agreements with respect to portfolio securities.

     (4) The funds shall not  concentrate  their  investments  in  securities of
issuers in a particular  industry (other than securities issued or guaranteed by
the U.S. government or any of its agencies or instrumentalities).

     (5) The funds shall not purchase or sell real estate  unless  acquired as a
result of ownership of  securities or other  instruments.  This policy shall not
prevent the funds from investment in securities or other  instruments  backed by
real estate or securities  of companies  that deal in real estate or are engaged
in the real estate business.

     (6) The  funds  shall not act as an  underwriter  of  securities  issued by
others,  except to the extent that the funds may be  considered  an  underwriter
within  the  meaning  of the  Securities  Act of  1933  in  the  disposition  of
restricted securities.

     (7) The funds  shall  not  purchase  or sell  physical  commodities  unless
acquired as a result of ownership of securities or other  instruments;  provided
that this  limitation  shall not prohibit the funds from  purchasing  or selling
options  and  futures  contracts  or  from  investing  in  securities  or  other
instruments backed by physical commodities.

     (8) The funds shall not invest for  purposes  of  exercising  control  over
management.

     In  addition,   the  funds  have  adopted  the  following   non-fundamental
investment restrictions:

     (1) As an operating policy, a fund shall not purchase additional investment
securities  at any time during  which  outstanding  borrowings  exceed 5% of the
total assets of the fund.

     (2) As an operating  policy,  a fund may not purchase any security or enter
into a  repurchase  agreement  if, as a result,  more than 15% of its net assets
(10% for money market funds) would

Statement of Additional Information                                            3


be invested in  repurchase  agreements  not  entitling  the holder to payment of
principal and interest  within seven days and in securities that are illiquid by
virtue  of legal or  contractual  restrictions  on resale  or the  absence  of a
readily available market.

     (3) As an operating policy, a fund shall not sell securities short,  unless
it owns or has the right to obtain  securities  equivalent in kind and amount to
the securities sold short,  and provided that  transaction in futures  contracts
and options are not deemed to constitute selling securities short.

     (4) As an operating policy, a fund shall not purchase securities on margin,
except that the fund may obtain such short-term credits as are necessary for the
clearance of transactions,  and provided that margin payments in connection with
futures  contracts  and  options  on  futures  contracts  shall  not  constitute
purchasing securities on margin.
    

     The Investment  Company Act imposes certain  additional  restrictions  upon
acquisition by the funds of securities issued by insurance  companies,  brokers,
dealers,  underwriters  or  investment  advisers,  and  upon  transactions  with
affiliated persons as therein defined.  It also defines and forbids the creation
of cross and circular ownership.

AN EXPLANATION OF FIXED INCOME SECURITIES RATINGS

     As  described  in  the  Prospectus,   the  funds  invest  in  fixed  income
securities.  Those investments,  however,  are subject to certain credit quality
restrictions,  as noted in the Prospectus. The following is a description of the
rating categories referenced in the Prospectus disclosure.

     The following summarizes the highest four ratings used by Standard & Poor's
Corporation for bonds:

     AAA - This is the highest rating  assigned by S&P to a debt  obligation and
indicates an extremely strong capacity to pay interest and repay principal.

     AA - Debt rated AA is  considered  to have a very  strong  capacity  to pay
interest and repay principal and differs from AAA issues only to a small degree.

     A - Debt rated A has a strong  capacity to pay interest and repay principal
although it is somewhat more  susceptible  to the adverse  effects of changes in
circumstances and economic conditions than debt in higher- rated categories.

     BBB - Debt rated BBB is  regarded  as having an  adequate  capacity  to pay
interest and repay  principal  although it is somewhat more  susceptible  to the
adverse effects of changes in circumstances and economic conditions than debt in
higher rated categories.

     To provide more detailed  indications of credit quality,  the AA, A and BBB
ratings may be modified by the addition of a plus or minus sign to show relative
standing within these major rating categories.

     Commercial  paper  rated  A-1 by S&P  indicates  that the  degree of safety
regarding timely payment is strong. Those issues determined to possess extremely
strong safety  characteristics  are denoted A-1+. Capacity for timely payment on
commercial paper rated A-2 is satisfactory, but the relative degree of safety is
not as high as for issues designated A-1.

     The rating SP-1 is the highest  rating  assigned by S&P to municipal  notes
and  indicates  very strong or strong  capacity to pay  principal  and interest.
Those issues determined to possess overwhelming safety characteristics are given
a plus (+) designation.

     The  following   summarizes  the  highest  four  ratings  used  by  Moody's
Investors Service, Inc. for bonds:

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

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

     A - Bonds that are rated A possess many favorable investment attributes and
are to be considered as upper medium-grade obligations. Factors giving

4                                                   American Century Investments


security to principal and interest are considered adequate,  but elements may be
present that suggest a susceptibility to impairment sometime in the future.

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

     Moody's applies numerical  modifiers 1, 2 and 3 with respect to bonds rated
Aa, A and Baa. The  modifier 1 indicates  that the bond being rated ranks in the
higher end of its generic rating category;  the modifier 2 indicates a mid-range
ranking; and the modifier 3 indicates a ranking in the lower end of that generic
rating category.

     The rating Prime-1 or P-1 is the highest  commercial  paper rating assigned
by Moody's.  Issuers  rated  Prime-1 (or related  supporting  institutions)  are
considered to have a superior  capacity for  repayment of short-term  promissory
obligations.  Issuers rated Prime-2 or P-2 (or related supporting  institutions)
are considered to have a strong capacity for repayment of short-term  promissory
obligations.  This will normally be evidenced by many of the  characteristics of
issuers  rated  Prime-1 but to a lesser  degree.  Earnings  trends and  coverage
ratios,  while  sound,  will  be  more  subject  to  variation.   Capitalization
characteristics,  while  still  appropriated,  may be more  affected by external
conditions. Ample alternate liquidity is maintained.

     The following  summarizes the highest rating used by Moody's for short-term
notes and variable rate demand obligations:

     MIG-1;  VMIG-1 -  Obligations  bearing these  designations  are of the best
quality,   enjoying  strong  protection  by  established  cash  flows,  superior
liquidity  support  or  demonstrated   broad-based  access  to  the  market  for
refinancing.

FORWARD CURRENCY EXCHANGE CONTRACTS

     Premium Bond conducts its foreign currency exchange  transactions either on
a spot (i.e.,  cash) basis at the spot rate  prevailing in the foreign  currency
exchange market or through  entering into forward  currency  exchange  contracts
("forward contracts") to purchase or sell foreign currencies.

     The fund expects to use forward contracts under two circumstances:

     (1) When  the  manager  wishes  to "lock  in" the  U.S.  dollar  price of a
security  when the fund is  purchasing  or selling a security  denominated  in a
foreign currency,  the fund would be able to enter into a forward contract to do
so;

     (2) When the manager  believes  that the currency of a  particular  foreign
country may suffer a substantial  decline against the U.S.  dollar, a fund would
be able to enter into a forward  contract to sell  foreign  currency for a fixed
U.S.  dollar  amount  approximating  the  value of some or all of its  portfolio
securities denominated in such foreign currency.

     As to the first  circumstance,  when the fund  enters  into a trade for the
purchase  or sale of a security  denominated  in a foreign  currency,  it may be
desirable to establish (lock in) the U.S.  dollar cost or proceeds.  By entering
into  forward  contracts  in U.S.  dollars for the purchase or sale of a foreign
currency involved in an underlying security  transaction,  the fund will be able
to protect  itself  against a possible loss between trade and  settlement  dates
resulting from the adverse change in the  relationship  between the U.S.  dollar
and the subject foreign currency.

     Under the second circumstance,  when the manager believes that the currency
of a particular  country may suffer a substantial  decline  relative to the U.S.
dollar,  a fund could enter into a forward  contract to sell for a fixed  dollar
amount the amount in foreign  currencies  approximating the value of some or all
of its portfolio securities  denominated in such foreign currency. The fund will
place  cash or  high-grade  liquid  securities  in a separate  account  with its
custodian in an amount equal to the value of the forward  contracts entered into
under the  second  circumstance.  If the value of the  securities  placed in the
separate account  declines,  additional cash or securities will be placed in the
account on a daily basis so that the value of the  account  equals the amount of
the fund's commitments with respect to such contracts.

     The  precise  matching  of forward  contracts  in the amounts and values of
securities  involved  generally would not be possible since the future values of
such

Statement of Additional Information                                            5


foreign  currencies  will change as a  consequence  of market  movements  in the
values of those securities between the date the forward contract is entered into
and the date it matures.  Predicting  short-term  currency  market  movements is
extremely difficult, and the successful execution of short-term hedging strategy
is highly uncertain. The manager does not intend to enter into such contracts on
a regular basis.  Normally,  consideration of the prospect for currency parities
will be incorporated into the long-term  investment  decisions made with respect
to overall diversification strategies.  However, the manager believes that it is
important  to have  flexibility  to enter into such  forward  contracts  when it
determines that the fund's best interests may be served.

     Generally,  the fund will not enter into a forward  contract with a term of
greater  than one year.  At the maturity of the forward  contract,  the fund may
either sell the portfolio security and make delivery of the foreign currency, or
it may retain the security and terminate  the  obligation to deliver the foreign
currency by purchasing an "offsetting"  forward  contract with the same currency
trader  obligating  the fund to purchase,  on the same maturity  date,  the same
amount of the foreign currency.

     It is impossible  to forecast  with absolute  precision the market value of
portfolio securities at the expiration of the forward contract.  Accordingly, it
may be necessary  for the fund to purchase  additional  foreign  currency on the
spot market (and bear the expense of such  purchase)  if the market value of the
security is less than the amount of foreign  currency  the fund is  obligated to
deliver and if a decision is made to sell the security and make  delivery of the
foreign currency the fund is obligated to deliver.

INTEREST RATE FUTURES CONTRACTS AND
RELATED OPTIONS

     Premium Bond may buy and sell interest rate futures  contracts  relating to
debt securities ("debt futures," i.e., futures relating to debt securities,  and
"bond index  futures," i.e.,  futures  relating to indices on types or groups of
bonds) and write and buy put and call options  relating to interest rate futures
contracts.

     The fund will not purchase or sell futures  contracts  and options  thereon
for  speculative  purposes  but rather only for the  purpose of hedging  against
changes in the market value of its portfolio securities or changes in the market
value  of  securities  that the  management  team  may  wish to  include  in the
portfolio  of the fund.  The fund may sell a future,  write a call or purchase a
put on a future if the  management  anticipates  that a general market or market
sector decline may adversely affect the market value of any or all of the fund's
holdings.  The fund may buy a future,  purchase a call or sell a put on a future
if the fund management  anticipates a significant  market advance in the type of
securities  it intends to purchase  for the fund's  portfolio at a time when the
fund  is not  invested  in  debt  securities  to  the  extent  permitted  by its
investment policies.  The fund may purchase a future or a call option thereon as
a temporary substitute for the purchase of individual securities, which may then
be purchased in an orderly fashion.  As securities are purchased,  corresponding
futures positions would be terminated by offsetting sales.

     The  "sale"  of a debt  future  means  the  acquisition  by the  fund of an
obligation to deliver the related debt securities (i.e., those called for by the
contract) at a specified  price on a specified  date.  The  "purchase" of a debt
future means the acquisition by the fund of an obligation to acquire the related
debt  securities at a specified  time on a specified  date. The "sale" of a bond
index future means the  acquisition  by the fund of an  obligation to deliver an
amount of cash equal to a specified  dollar amount times the difference  between
the index value at the close of the last trading day of the future and the price
at which the future is  originally  struck.  No  physical  delivery of the bonds
making up the index is  expected  to be made.  The  "purchase"  of a bond  index
future means the  acquisition  by the fund of an  obligation to take delivery of
such an amount of cash.

     Unlike  when  the  fund  purchases  or  sells a bond,  no  price is paid or
received by the fund upon the purchase or sale of a futures contract. Initially,
the fund will be required to deposit an amount of cash or securities  equal to a
varying  specified  percentage of the contract  amount.  This amount is known as
initial  margin.  Cash  held in the  margin  account  is not  income  producing.
Subsequent  payments,  called variation margin, to and from the broker,  will be
made on a daily basis as the price of the  underlying  debt  securities or index
fluctuates, making the futures contract

6                                                   American Century Investments


more or less  valuable,  a  process  known  as mark to the  market.  Changes  in
variation margin are recorded by the fund as unrealized net gains or losses.  At
any time  prior to  expiration  of the  future,  the fund may elect to close the
position by taking an  opposite  position  that will  operate to  terminate  its
position in the future. A final  determination of variation margin is then made;
additional  cash is  required to be paid by or released to the fund and the fund
realizes a loss or a gain.

     When the fund writes an option on a futures contract it becomes  obligated,
in return for the premium received,  to assume a position in a specified futures
contract  at a  specified  exercise  price  at any time  during  the term of the
option.  If the fund has written a call, it becomes obligated to assume a "long"
position in a futures contract, which means that it is required to take delivery
of the underlying securities. If it has written a put, it is obligated to assume
a "short" position in a futures contract.

     If the fund  writes an option on a futures  contract it will be required to
deposit initial and variation  margin pursuant to requirements  similar to those
applicable to futures contracts. Premiums received from the writing of an option
on a future are included in the initial margin deposit.

     For  options  sold,  the fund  will  segregate  cash or  high-quality  debt
securities  equal to the value of  securities  underlying  the option unless the
option is otherwise covered.

     The fund will  deposit in a  segregated  account  with its  custodian  bank
high-quality  debt  obligations  maturing  in one year or less,  or cash,  in an
amount equal to the  fluctuating  market value of long futures  contracts it has
purchased less any margin  deposited on its long  position.  It may hold cash or
acquire such debt obligations for the purpose of making these deposits.

     Changes in variation margin are recorded by the fund as unrealized gains or
losses.  Initial margin payments will be deposited in the fund's  custodian bank
in an account  registered  in the  broker's  name;  access to the assets in that
account may be made by the broker only under specified  conditions.  At any time
prior to expiration  of a futures  contract or an option  thereon,  the fund may
elect to close the position by taking an opposite  position that will operate to
terminate its position in the futures contract or option. A final  determination
of variation margin is made at that time; additional cash is required to be paid
by or released to it and it realizes a loss or gain.

     Although  futures  contracts by their terms call for the actual delivery or
acquisition of the underlying  securities or cash, in most cases the contractual
obligation is fulfilled  without having to make or take delivery.  The fund does
not  intend  to  make  or  take  delivery  of  the  underlying  obligation.  All
transactions  in futures  contracts  and  options  thereon  are made,  offset or
fulfilled  through a  clearinghouse  associated  with the  exchange on which the
instruments  are  traded.  Although  the fund  intends  to buy and sell  futures
contracts  only on  exchanges  where  there  appears  to be an active  secondary
market,  there is no assurance that a liquid secondary market will exist for any
particular futures contract at any particular time. In such event, it may not be
possible to close a futures  contract  position.  Similar market liquidity risks
occur with respect to options.

     The use of  futures  contracts  and  options  thereon to attempt to protect
against the market  risk of a decline in the value of  portfolio  securities  is
referred to as having a "short futures  position." The use of futures  contracts
and  options  thereon to attempt to protect  against the market risk that a fund
might not be fully  invested at a time when the value of the securities in which
it invests is increasing is referred to as having a "long futures position." The
fund must operate within certain  restrictions as to long and short positions in
futures  contracts  and options  thereon  under a rule adopted by the  Commodity
Futures Trading  Commission under the Commodity  Exchange Act to be eligible for
the exclusion  provided by the rule from  registration by the fund with the CFTC
as a "commodity  pool  operator" (as defined under the Commodity  Exchange Act),
and must  represent to the CFTC that it will operate  within such  restrictions.
Under these restrictions,  the fund will not, as to any positions, whether long,
short or a combination thereof, enter into futures contracts and options thereon
for which the  aggregate  initial  margins  and  premiums  exceed 5% of the fair
market value of the fund's assets after taking into account  unrealized  profits
and losses on options the fund has entered  into;  in the case of an option that
is   "in-the-money"   (as  defined  under  the  Commodity   Exchange  Act),  the
in-the-money amount may be excluded in

Statement of Additional Information                                            7


computing  such  5%.  (In  general,  a call  option  on a  futures  contract  is
in-the-money if the value of the futures contract that is the subject of the put
is exceeded by the strike  price of the put.) Under the  restrictions,  the fund
also must, as to short  positions,  use futures  contracts  and options  thereon
solely  for bona fide  hedging  purposes  within the  meaning  and intent of the
applicable provisions under the Commodity Exchange Act. As to its long positions
that are used as part of the fund's portfolio strategy and are incidental to the
fund's  activities in the  underlying  cash market,  the  "underlying  commodity
value" (see next page) of the fund's futures  contracts and options thereon must
not  exceed  the  sum of (i)  cash  set  aside  in an  identifiable  manner,  or
short-term U.S. debt obligations or other U.S. dollar-denominated, high-quality,
short-term  money market  instruments so set aside,  plus any funds deposited as
margin;  (ii) cash proceeds from existing  investments due in 30 days; and (iii)
accrued profits held at the futures  commission  merchant.  (There are described
above the segregated  accounts that a fund must maintain with its custodian bank
as to its  options  and  futures  contracts  activities  due to  Securities  and
Exchange Commission  requirements.  The fund will, as to its long positions,  be
required to abide by the more  restrictive of these SEC and CFTC  requirements.)
The underlying  commodity value of a futures contract is computed by multiplying
the size (dollar amount) of the futures  contract by the daily  settlement price
of the futures contract. For an option on a futures contract,  that value is the
underlying commodity value of the futures contract underlying the option.

     Since futures contracts and options thereon can replicate  movements in the
cash markets for the securities in which the fund invests without the large cash
investments  required for dealing in such markets,  they may subject the fund to
greater and more volatile risks than might  otherwise be the case. The principal
risks related to the use of such  instruments  are (i) the  correlation  between
movements in the market  price of the  portfolio  investment  (held or intended)
being hedged and in the price of the offsetting  futures  contract or option may
be  imperfect;  (ii) possible  lack of liquid  secondary  market for closing out
futures or options positions; (iii) the need for additional portfolio management
skills and techniques;  (iv) losses due to unanticipated market price movements;
and (v) the  bankruptcy  or failure  of a futures  commission  merchant  holding
margin deposits made by the fund and the fund's inability to obtain repayment of
all or part of such deposits. For a hedge to be completely effective,  the price
change of the hedging  instrument  should equal the price change of the security
being  hedged.  Such equal  price  changes are not always  possible  because the
investment underlying the hedging instrument may not be the same investment that
is being hedged.  The manager will attempt to create a closely correlated hedge,
but hedging  activity may not be  completely  successful in  eliminating  market
value  fluctuation.  The ordinary spreads between prices in the cash and futures
markets,  due to the differences in the natures of those markets, are subject to
the following factors, which may create distortions.  First, all participants in
the futures market are subject to margin deposit and  maintenance  requirements.
Rather than meeting additional margin deposit requirements,  investors may close
futures contracts through offsetting  transactions that could distort the normal
relationship between the cash and futures markets.  Second, the liquidity of the
futures market depends on  participants  entering into  offsetting  transactions
rather than making or taking delivery. To the extent participants decide to make
or take  delivery,  liquidity  in the  futures  market  could be  reduced,  thus
producing distortion.  Third, from the point of view of speculators, the deposit
requirements in the futures market are less onerous than margin  requirements in
the securities market. Therefore,  increased participation by speculators in the
futures market may cause temporary price distortions.  Due to the possibility of
distortion, a correct forecast of general interest trends by fund management may
still not result in a successful transaction. The management may be incorrect in
its expectations as to the extent of various interest rate movements or the time
span within which the movements take place.

     The risk of imperfect  correlation between movements in the price of a bond
index future and movements in the price of the  securities  that are the subject
of the hedge increases as the composition of the fund's portfolio  diverges from
the  securities  included in the applicable  index.  The price of the bond index
future may move more than or less than the price of the securities being hedged.
If the price of the bond

8                                                   American Century Investments


index future moves less than the price of the securities that are the subject of
the  hedge,  the  hedge  will not be fully  effective,  but if the  price of the
securities being hedged has moved in an unfavorable direction, the fund would be
in a better  position  than if it had not  hedged  at all.  If the  price of the
securities being hedged has moved in a favorable direction,  this advantage will
be  partially  offset  by the  futures  contract.  If the  price of the  futures
contract  moves more than the price of the  security,  the fund will  experience
either a loss or a gain on the  futures  contract  that  will not be  completely
offset by movements in the price of the  securities  that are the subject of the
hedge. To compensate for the imperfect  correlation of movements in the price of
the  securities  being  hedged  and  movements  in the  price of the bond  index
futures,  the fund may buy or sell bond index futures in a greater dollar amount
than the dollar amount of securities  being hedged if the historical  volatility
of the  prices of such  securities  being  hedged  is less  than the  historical
volatility of the bond index. It is also possible that,  where the fund has sold
futures contracts to hedge its securities  against a decline in the market,  the
market  may  advance  and the  value of  securities  held in the  portfolio  may
decline. If this occurred, the fund would lose money on the futures contract and
also experience a decline in value in its portfolio securities.  However,  while
this could  occur for a brief  period or to a very small  degree,  over time the
value of a portfolio of debt  securities will tend to move in the same direction
as the market indices upon which the futures contracts are based.

     Where bond index futures are purchased to hedge against a possible increase
in the price of funds  before  the fund is able to invest  in  securities  in an
orderly fashion, it is possible that the market may decline instead; if the fund
then concludes not to invest in securities at that time because of concern as to
possible further market decline or for other reasons,  it will realize a loss on
the  futures  contract  that is not  offset by a  reduction  in the price of the
securities it had anticipated purchasing.

     The risks of  investment  in options on bond  indices  may be greater  than
options on  securities.  Because  exercises of bond index options are settled in
cash,  when the fund writes a call on a bond index it cannot  provide in advance
for its potential settlement obligations by acquiring and holding the underlying
securities.  The fund can offset  some of the risk of its  writing  position  by
holding a portfolio of bonds similar to those on which the  underlying  index is
based.  However,  the fund  cannot,  as a practical  matter,  acquire and hold a
portfolio containing exactly the same securities as the underlying index and, as
a result,  bears a risk that the value of the securities held will vary from the
value of the index.  Even if the fund could  assemble a portfolio  that  exactly
reproduced the composition of the underlying  index, it still would not be fully
covered from a risk standpoint  because of the "timing risk" inherent in writing
index  options.  When an index option is exercised,  the amount of cash that the
holder is  entitled  to receive is  determined  by the  difference  between  the
exercise  price  and the  closing  index  level on the date  when the  option is
exercised.  As with other kinds of options,  the fund, as the call writer,  will
not learn that it has been assigned an option until the next business day at the
earliest.  The time lag between  exercise and notice of assignment poses no risk
for the  writer of a covered  call on a  specific  underlying  security  because
there, the writer's obligation is to deliver the underlying security, not to pay
its value as of a fixed time in the past. So long as the writer already owns the
underlying  security,  it  can  satisfy  its  settlement  obligation  by  simply
delivering  it, and the risk that its value may have declined since the exercise
date is borne by the exercising option holder.  In contrast,  even if the writer
of an index call holds  securities  that exactly  match the  composition  of the
underlying  index,  it will not be able to satisfy its assignment  obligation by
delivering  those  securities.  Instead,  it will be  required to pay cash in an
amount  based on the closing  index value on the exercise  date;  by the time it
learns  that  it  has  been  assigned,  the  index  may  have  declined  with  a
corresponding  decline in the value of its  portfolio.  This "timing risk" is an
inherent  limitation  on the  ability of index call  writers to cover their risk
exposure by holding securities positions.

     If the fund has  purchased  an index  option  and  exercises  it before the
closing index value for that day is  available,  it runs the risk that the level
of the underlying  index may  subsequently  change.  If such a change causes the
exercised option to fall out-of-the-money,  the fund will be required to pay the
difference between the

Statement of Additional Information                                            9


closing index value and the exercise  price of the option (times the  applicable
multiplier) to the assigned writer.

OFFICERS AND DIRECTORS

   
     The principal  officers and directors of American Century Premium Reserves,
Inc., their principal business  experience during the past five years, and their
affiliations with the funds'  investment  manager,  American Century  Investment
Management,  Inc. and its transfer agent, American Century Services Corporation,
are listed  below.  The address at which each  director and officer below may be
contacted is American  Century Tower,  4500 Main Street,  Kansas City,  Missouri
64111.  All persons named as officers of the  Corporation  also serve in similar
capacities  for other funds  advised by the manager.  Those  directors  that are
"interested  persons"  as  defined  in the  Investment  Company  Act of 1940 are
indicated by an asterisk(*).
    

     JAMES E.  STOWERS  JR.,*  Chairman of the Board and  Director;  Chairman of
the Board,  Director and controlling  shareholder of American Century Companies,
Inc., parent  corporation of American Century  Investment  Management,  Inc. and
American  Century  Services  Corporation;  Chairman of the Board and Director of
American  Century  Investment  Management,  Inc. and American  Century  Services
Corporation; father of James E. Stowers III.

   
     JAMES E. STOWERS III,*  President,  Chief  Executive  Officer and Director;
Chief  Executive  Officer  and  Director,   American  Century  Companies,  Inc.;
President,  Chief Executive  Officer and Director,  American Century  Investment
Management, Inc. and American Century Services Corporation.

     THOMAS A. BROWN,  Director;  Chief Executive  Officer,  Associated  Bearing
Company,  a corporation  engaged in the sale of bearings and power  transmission
products.

     ROBERT W. DOERING, M.D., Director; retired, formerly general surgeon.

     D. D. (DEL) HOCK, Director;  Chairman,  Public Service Company of Colorado;
Director, Service Tech, Inc. and Hathaway Corporation.

     LINSLEY L.  LUNDGAARD,  Vice Chairman of the Board and  Director;  retired;
formerly Vice  President and National  Sales  Manager,  Flour Milling  Division,
Cargill, Inc.

     DONALD H. PRATT,  Director;  President and Director,  Butler  Manufacturing
Company.

     LLOYD  T.  SILVER  JR.,  Director;  President,  LSC,  Inc.,  manufacturer's
representative.

     M. JEANNINE  STRANDJORD,  Director;  Senior Vice  President and  Treasurer,
Sprint Corporation; Director, DST Systems, Inc.

     WILLIAM M.  LYONS,  Executive  Vice  President,  Chief  Operating  Officer,
Secretary and General Counsel;  President,  Chief Operating  Officer and General
Counsel,  American  Century  Companies,  Inc.;  Executive Vice President,  Chief
Operating Officer and General Counsel,  American Century Investment  Management,
Inc. and American Century Services Corporation.
    

     ROBERT  T.  JACKSON,  Executive  Vice  President  and  Principal  Financial
Officer;  Executive Vice President and Treasurer,  American  Century  Companies,
Inc.,  American  Century  Investment  Management,   Inc.  and  American  Century
Services Corporation; formerly Executive Vice President, Kemper Corporation.

     MARYANNE ROEPKE,  CPA, Vice President,  Treasurer and Principal  Accounting
Officer; Vice President, American Century Services Corporation.

   
     PATRICK  A.  LOOBY,  Vice  President;  Vice  President,   American  Century
Services Corporation.

     C. JEAN WADE, CPA, Controller.
    

     The Board of  Directors  has  established  four  standing  committees,  the
Executive  Committee,  the Audit  Committee,  the  Compliance  Committee and the
Nominating Committee.

     Messrs.  Stowers Jr.,  Stowers III and Lundgaard  constitute  the Executive
Committee of the Board of Directors. The committee performs the functions of the
Board of Directors between meetings of the Board,  subject to the limitations on
its power set out in the  Maryland  General  Corporation  Law,  and  except  for
matters  required  by the  Investment  Company Act to be acted upon by the whole
Board.

     Messrs.   Lundgaard  (chairman),   Doering  and  Hock  and  Ms.  Strandjord
constitute the Audit  Committee.  The functions of the Audit  Committee  include
recommending  the engagement of the funds'  independent  accountants,  reviewing
the arrangements for and scope of the annual audit,  reviewing  comments made by
the independent accountants with respect to internal

10                                                  American Century Investments


controls  and  the  considerations  given  or the  corrective  action  taken  by
management,   and  reviewing  nonaudit  services  provided  by  the  independent
accountants.

     Messrs.  Brown  (chairman),  Pratt and  Silver  constitute  the  Compliance
Committee.  The  functions of the  Compliance  Committee  include  reviewing the
results of the funds' compliance  testing program,  reviewing  quarterly reports
from  the  manager  to  the  Board  regarding  various  compliance  matters  and
monitoring the implementation of the funds' Code of Ethics, including violations
thereof.

     The Nominating  Committee has as its principal role the  consideration  and
recommendation  of  individuals  for  nomination  as  directors.  The  names  of
potential  director  candidates  are drawn from a number of  sources,  including
recommendations  from members of the Board,  management and  shareholders.  This
committee  also reviews and makes  recommendations  to the Board with respect to
the composition of Board committees and other Board-related  matters,  including
its   organization,   size,   composition,   responsibilities,   functions   and
compensation.  The  members  of  the  nominating  committee  are  Messrs.  Pratt
(Chairman), Lundgaard and Stowers III.

     The  Directors of the  corporation  also serve as Directors for other funds
advised by the  manager.  Each  Director  who is not an  "interested  person" as
defined in the  Investment  Company Act  receives for service as a member of the
Board  of all six of such  investment  companies  an  annual  director's  fee of
$44,000,  and an additional fee of $1,000 per regular Board meeting attended and
$500 per special  Board and  committee  meeting  attended.  In  addition,  those
Directors who are not "interested  persons" who serve as chairman of a committee
of the Board of Directors receive an additional $2,000 for such services.  These
fees and  expenses are divided  among the six  investment  companies  based upon
their relative net assets.  Under the terms of the management agreement with the
manager, the funds are responsible for paying such fees and expenses.  Set forth
below is the aggregate  compensation paid for the periods indicated by the funds
and by the American  Century  family of funds as a whole to each Director who is
not an "interested person" as defined in the Investment Company Act.

   
                                 Aggregate           Total Compensation from
                                Compensation          the American Century
Director                   from the corporation 1       Family of Funds 2
- -----------------------------------------------------------------------------
Thomas A. Brown                    $249                   $46,333
Robert W. Doering, M.D.             233                    42,833
Linsley L. Lundgaard                251                    46,333
Donald H. Pratt                     243                    44,667
Lloyd T. Silver Jr.                 238                    44,333
M. Jeannine Strandjord              238                    43,833
John M. Urie 3                      136                    37,167
D.D. (Del) Hock                     111                     8,833
- -----------------------------------------------------------------------------
    

     1 Includes  compensation actually paid by the corporation during the fiscal
year ended March 31, 1997.

     2 Includes  compensation paid by the fifteen  investment company members of
the American  Century  family of funds for the calendar year ended  December 31,
1996.

     3 Mr. Hock replaced Mr. Urie as a director effective October 31, 1996.

     Those Directors who are "interested  persons," as defined in the Investment
Company Act,  receive no fee as such for serving as a Director.  The salaries of
such individuals, who are also officers of the funds, are paid by the manager.

MANAGEMENT

     A description of the  responsibilities and method of compensation of funds'
investment manager, American Century Investment Management, Inc., appears in the
Prospectus under the caption "Management."

     During its three most recent fiscal years,  the management fees paid to the
manager were as follows:

   
                            Year Ended         Year Ended         Year Ended
Fund                      March 31, 1997     March 31, 1996     March 31, 1995
- -----------------------------------------------------------------------------
PREMIUM GOVERNMENT
  RESERVE
Management Fees          $    138,640       $     93,671        $    41,736
Average Net Assets         30,981,550         21,173,072          9,274,419

PREMIUM CAPITAL
  RESERVE
Management Fees          $    640,040       $    626,948        $   251,963
Average Net Assets        142,439,917        140,458,302         55,990,638

PREMIUM BOND
Management Fees          $     91,566       $     68,907        $    38,340
Average Net Assets         20,468,595         15,955,006          8,625,557
- -----------------------------------------------------------------------------
    

Statement of Additional Information                                           11


     The management  agreement shall continue in effect until the earlier of the
expiration  of two  years  from the date of its  execution  or until  the  first
meeting of  shareholders  following such execution and for as long thereafter as
its  continuance  is  specifically  approved at least annually by (i) the funds'
Board of Directors or by the vote of a majority of outstanding votes (as defined
in the  Investment  Company  Act)  and  (ii) by the  vote of a  majority  of the
Directors  of the funds  who are not  parties  to the  agreement  or  interested
persons of the  manager,  cast in person at a meeting  called for the purpose of
voting on such approval.

     The  management  agreement  provides  that it may be terminated at any time
without payment of any penalty by the funds' Board of Directors, or by a vote of
the funds'  shareholders,  on 60 days' written notice to the manager and that it
shall be automatically terminated if it is assigned.

     The management  agreement  provides that the manager shall not be liable to
the funds or its shareholders for anything other than willful  misfeasance,  bad
faith, gross negligence or reckless disregard of its obligations and duties.

     The  management  agreement also provides that the manager and its officers,
directors and employees may engage in other business,  devote time and attention
to any other  business  whether of a similar or  dissimilar  nature,  and render
services to others.

     Certain  investments  may be  appropriate  for the funds and also for other
clients  advised by the manager.  Investment  decisions  for the funds and other
clients are made with a view to achieving their respective investment objectives
after  consideration of such factors as their current holdings,  availability of
cash for investment,  and the size of their investment  generally.  A particular
security may be bought or sold for only one client,  or in different amounts and
at  different  times for more than one but less than all  clients.  In addition,
purchases  or sales of the same  security may be made for two or more clients on
the same date.  Such  transactions  will be allocated  among clients in a manner
believed by the manager to be  equitable to each.  In some cases this  procedure
could have an adverse effect on the price or amount of the securities  purchased
or sold by a fund.

   
     In addition to managing  the funds,  on July 1, 1997,  the manager also was
acting as an  investment  advisor  to nine  institutional  accounts  and to five
registered  investment  companies American Century Mutual Funds, Inc.,  American
Century World Mutual Funds,  Inc.,  American Century Capital  Portfolios,  Inc.,
American Century Strategic Asset Allocations, Inc., and American Century
Variable Portfolios, Inc.
    

     American  Century  Services   Corporation   provides  physical  facilities,
including  computer  hardware  and software and  personnel,  for the  day-to-day
administration  of the funds and the  manager  pays  American  Century  Services
Corporation for such services.

     As  stated  in the  Prospectus,  all  of  the  stock  of  American  Century
Services Corporation and American Century Investment  Management,  Inc. is owned
by American Century Companies, Inc.

CUSTODIANS

     Chase  Manhattan  Bank,  770  Broadway,  10th  Floor,  New  York,  New York
10003-9598,  and Commerce Bank, N.A., 1000 Walnut,  Kansas City, Missouri 64105,
each serves as custodian of the assets of the funds. The custodians take no part
in  determining  the  investment  policies  of the  funds or in  deciding  which
securities are purchased or sold by the funds. The funds, however, may invest in
certain  obligations  of  the  custodians  and  may  purchase  or  sell  certain
securities from or to the custodians.

INDEPENDENT AUDITORS

   
     At a meeting  held on December  12,  1996,  the Board of  Directors  of the
corporation  appointed  Deloitte & Touche  LLP,  1010 Grand  Avenue,  Suite 400,
Kansas City, Missouri 64106 as the independent  auditors of the funds to examine
the financial statements of the funds for the fiscal year ending March 31, 1998.
The  appointment of Deloitte & Touche was  recommended by the Audit Committee of
the Board of Directors.  As the  independent  auditors of the funds,  Deloitte &
Touche  will  provide  services  including  (1)  audit of the  annual  financial
statements,  (2) assistance and  consultation in connection with SEC filings and
(3)  review of the  annual  federal  income  tax  return  filed for each fund by
American Century.

     Ernst & Young LLP, One Kansas City Place,  1200 Main  Street,  Kansas City,
Missouri  64105,  served as  independent  auditors  for the funds for all fiscal
years ending prior to March 31, 1998.
    

12                                                  American Century Investments


CAPITAL STOCK

     The funds' capital stock is described in the Prospectus  under the caption,
"Further Information About American Century."

     The corporation currently has three series of shares outstanding. The funds
may in the future issue one or more  additional  series of shares without a vote
of the  shareholders.  The assets  belonging  to each  series of shares are held
separately by the custodian and the shares of each series represent a beneficial
interest in the  principal,  earnings and profits (or losses) of investment  and
other assets held for that series. Your rights as a shareholder are the same for
all series of  securities  unless  otherwise  stated.  Within  their  respective
series,  all shares have equal redemption  rights.  Each share,  when issued, is
fully paid and non-assessable.  Each share,  irrespective of series, is entitled
to one vote for each dollar of net asset value  represented by such share on all
questions.

     In  the  event  of  complete  liquidation  or  dissolution  of  the  funds,
shareholders  of each series of shares  shall be entitled to receive,  pro rata,
all of the assets less the liabilities of that series.

   
     As of June 30, 1997, the following shareholders held in excess of 5% of the
votes of the stated series of the corporation:

                               Shareholder and
Fund                           Percentage Held
- -----------------------------------------------------------------------------
Premium Capital                Chase Manhattan Bank
   Reserve                     as Trustee for CTS Corporation
                               Retirement Savings Plan
                               New York, New York - 16.16%

Premium                        Chase Manhattan Bank
   Government Reserve          as Trustee for Lorillard Inc.
                               Hourly Paid Employees
                               Profit Sharing Plan
                               New York, New York - 19.16%

                               United Missouri Bank
                               as Trustee for Fish & Richardson PC
                               Profit Sharing Plan
                               Kansas City, Missouri - 14.05%

                               United Missouri Bank
                               as Trustee for The Insilco Corporation
                               Employee Thrift Plan Trust
                               Kansas City, Missouri - 7.87%


                               Shareholder and
Fund                           Percentage Held
- -----------------------------------------------------------------------------
Premium                        Chase Manhattan Bank
   Government Reserve          as Trustee for
                               Newport Service Corporation
                               Money Purchase
                               Pension Trust
                               New York, New York - 6.58%

Premium Bond                   Trustees of
                               Presbyterian Healthcare System
                               Retirement Plan and Trust
                               Kansas City, Missouri - 43.16%

                               United Missouri Bank
                               as Custodian for Presbyterian
                               Healthcare System 403(b) Plan
                               Kansas City, Missouri - 11.53%

                               American Century
                               Investment Management, Inc.
                               Kansas City, Missouri - 6.32%
- -----------------------------------------------------------------------------

     Other than the shares owned by American Century Companies,  Inc., ownership
of which company  could be  attributed to certain  officers and directors of the
corporation,  as  of  June  30,  1997,  the  shares  of  the  corporation  owned
beneficially  and of record by the officers and directors of the  corporation in
the aggregate were less than 1% of the shares offered by any fund.
    

TAXES

     Each fund intends to qualify under the Internal Revenue Code as a regulated
investment  company.  If they qualify,  they will not be subject to U.S. federal
income tax on net investment income and net capital gains, which are distributed
to its  shareholders  within  certain  time  periods  specified  in the Internal
Revenue  Code.  Amounts not  distributed  on a timely  basis would be subject to
federal and state corporate income tax and to a nondeductible 4% excise tax.

     Each fund intends to distribute annually all of its net ordinary income and
net capital gains.

     Distributions  from net investment income and net short-term  capital gains
are taxable to shareholders as ordinary income. The dividends received deduction
available to corporate  shareholders for dividends received from the corporation
will apply to ordinary income distributions only to the extent that they are

Statement of Additional Information                                           13


attributable to the  corporation's  dividend income from U.S.  corporations.  In
addition,  the dividends  received  deduction will be limited if the shares with
respect to which the dividends are received are treated as  debt-financed or are
deemed to have been held less than 46 days by a fund.

     Distributions from net long-term capital gains are taxable to a shareholder
as long-term  capital gains regardless of the length of time the shares on which
such  distributions  are  paid  have  been  held  by the  shareholder.  However,
shareholders  should note that any loss  realized upon the sale or redemption of
shares held for six months or less will be treated as a long-term  capital  loss
to the extent of any  distribution of long-term  capital gain to the shareholder
with respect to such shares.

     Redemption  of shares of a fund will be a taxable  transaction  for federal
income tax purposes and shareholders will generally recognize gain or loss in an
amount  equal to the  difference  between the basis of the shares and the amount
received.  Assuming that  shareholders  hold such shares as a capital asset, the
gain or loss will be a capital  gain or loss and will  generally be long term if
shareholders have held such shares for a period of more than one year. If a loss
is realized on the  redemption of fund shares,  the  reinvestment  in additional
fund shares within 30 days before or after the  redemption may be subject to the
"wash sale" rules of the Internal  Revenue Code,  resulting in a postponement of
the recognition of such loss for federal income tax purposes.

     In addition to the federal income tax consequences described above relating
to an  investment  in  shares  issued  by the  corporation,  there  may be other
federal, state or local tax considerations that depend upon the circumstances of
each  particular  investor.  Prospective  shareholders  are  therefore  urged to
consult  their tax  advisers  with respect to the effect of this  investment  on
their own situations.

BROKERAGE

     Under  the  terms of the  Management  Agreement  between  the funds and the
manager,  the manager has the  responsibility  for  determining  what securities
shall be purchased and sold and selecting the brokers or dealers to execute such
transactions. The manager seeks to obtain prompt execution of orders at the most
favorable prices or yields.

     Purchases are made directly from issuers,  underwriters,  broker-dealers or
banks. In many transactions, the selection of the broker-dealer is determined by
the  availability  of the desired  security  and its  offering  price.  In other
transactions,  the  selection  is a function of the  selection of market and the
negotiation  of  price,  as  well  as  the  broker-dealer's  general  execution,
operational and financial capabilities in the type of transaction involved.

     The manager receives statistical and other information and services without
cost from  brokers and  dealers.  The manager  evaluates  such  information  and
services,  together with all other  information that it may have, in supervising
and  managing  the funds.  Because  such  information  and  services may vary in
amount,  quality and  reliability,  their influence in selecting  brokers varies
from none to very substantial. The manager proposes to continue to place some of
the funds' brokerage  business with one or more brokers who provide  information
and services.

     The  brokerage  and research  services  received by the manager may be used
with  respect to one or more of the funds  and/or the other  funds and  accounts
over which it has  investment  discretion,  and not all of such  services may be
used by the manager in managing the  portfolios of the funds.  Such  information
and services  are in addition to and not in lieu of the services  required to be
performed by the manager. The manager does not utilize brokers that provide such
information  and  services  for the purpose of reducing the expense of providing
required services to the funds.

PERFORMANCE ADVERTISING

FUND PERFORMANCE

     Individual fund  performance  may be compared to various indices  including
the  Lehman  Brothers  Government  Corporate  Index,  the  Salomon  Bond  Index,
Donoghue's  Money Fund Average and Bank Rate Monitor National Index of 21/2-year
CD rates.

     Average  annual  total  return is  calculated  by  determining  each fund's
cumulative  total  return for the stated  period and then  computing  the annual
compound  return that would  produce the  cumulative  total return if the fund's
performance had been constant

14                                                  American Century Investments


over that  period.  Cumulative  total  return  includes  all elements of return,
including reinvestment of dividends and capital gains distributions.

     The funds may also  advertise  average  annual total return over periods of
time other than one, five and 10 years and cumulative  total return over various
time periods.

     The yield of Premium  Government  Reserve  and Premium  Capital  Reserve is
calculated by measuring the income generated by an investment in the fund over a
seven-day period (net of fund expenses).  This income is then "annualized." That
is, the amount of income  generated by the investment over the seven-day  period
is assumed to be generated over each similar  period  throughout a full year and
is shown as a percentage of the investment.  The "effective yield" is calculated
in a similar manner but, when annualized, the income earned by the investment is
assumed to be reinvested.  The effective  yield will be slightly higher than the
yield because of the compounding effect of the assumed reinvestment.

   
     Based upon these methods of calculation,  the yield and effective yield for
Premium  Government Reserve and Premium Capital Reserve for the seven days ended
March 31, 1997, the last seven days of the fiscal year, were as follows:

- -----------------------------------------------------------------------------
                                                          Effective
Fund                                    Yield               Yield
- -----------------------------------------------------------------------------
Premium Government Reserve              5.02%               5.15%
Premium Capital Reserve                 4.95                5.07
- -----------------------------------------------------------------------------

     The  yield of  Premium  Bond is  calculated  by  adding  over a 30-day  (or
one-month)  period all  interest  and  dividend  income  (net of fund  expenses)
calculated on each day's market values,  dividing this sum by the average number
of fund shares  outstanding  during the period,  and  expressing the result as a
percentage  of the  fund's  share  price  on the  last  day  of the  30-day  (or
one-month) period.  The percentage is then annualized.  Capital gains and losses
are not  included in the  calculation.  The yield of Premium Bond for the 30-day
period ended March 31, 1997, was 6.50%.

     The funds may also elect to advertise  cumulative  total return and average
annual total return,  computed as described  above.  The cumulative total return
since  inception  is 22.96% and average  annual total return of Premium Bond for
the year ended March 31, 1997, was 4.57%.
    

ADDITIONAL PERFORMANCE COMPARISONS

     Investors  may  judge  the  performance  of the  funds by  comparing  their
performance to the  performance of other mutual funds or mutual fund  portfolios
with comparable  investment  objectives and policies through various mutual fund
or market  indices such as the EAFE(R)  Index and those  prepared by Dow Jones &
Co., Inc., Standard & Poor's Corporation, Shearson Lehman Brothers, Inc. and The
Russell 2000 Index, and to data prepared by Lipper  Analytical  Services,  Inc.,
Morningstar,  Inc. and the Consumer Price Index. Comparisons may also be made to
indices or data published in Money, Forbes,  Barron's,  The Wall Street Journal,
The New York Times, Business Week, Pensions and Investments, USA Today and other
similar  publications  or  services.  In  addition to  performance  information,
general  information about the funds that appears in a publication such as those
mentioned above or in the Prospectus under the heading "Performance Advertising"
may be included in advertisements and in reports to shareholders.

PERMISSIBLE ADVERTISING INFORMATION

     From time to time,  the funds may,  in  addition  to any other  permissible
information,  include the  following  types of  information  in  advertisements,
supplemental  sales literature and reports to  shareholders:  (1) discussions of
general economic or financial principles (such as the effects of compounding and
the benefits of dollar-cost  averaging);  (2)  discussions  of general  economic
trends;  (3)  presentations of statistical data to supplement such  discussions;
(4)  descriptions of past or anticipated  portfolio  holdings for one or more of
the funds;  (5)  descriptions  of investment  strategies  for one or more of the
funds;  (6)  descriptions  or  comparisons  of various  savings  and  investment
products  (including,  but  not  limited  to,  qualified  retirement  plans  and
individual  stocks and  bonds),  which may or may not  include  the  funds;  (7)
comparisons of investment products (including the funds) with relevant market or
industry  indices  or other  appropriate  benchmarks;  (8)  discussions  of fund
rankings or ratings by recognized  rating  organizations;  and (9)  testimonials
describing  the  experience  of persons that have invested in one or more of the
funds.

Statement of Additional Information                                           15


     The funds may also include calculations,  such as hypothetical  compounding
examples, which describe hypothetical investment results in such communications.
Such performance examples will be based on an express set of assumptions and are
not indicative of the performance of any of the funds.

REDEMPTIONS IN KIND

     While the funds expect that, under normal conditions,  all redemptions will
be paid in cash, if the manager  determines  that it would be detrimental to the
best interests of a fund's remaining  shareholders to make payment in cash, that
fund may pay redemption proceeds in amounts in excess of $250,000 in whole or in
part by a distribution in kind of readily marketable securities.

     In  addition  to the policy just  mentioned,  the funds have  elected to be
governed by Rule 18f-1 under the Investment  Company Act,  pursuant to which the
funds are obligated to redeem shares solely in cash up to the lesser of $250,000
or 1% of the net asset  value of a fund  during  any  90-day  period for any one
shareholder.  Should redemptions by any shareholder exceed such limitation,  the
fund will have the  option,  subject to the  necessary  finding  by the  manager
stated above, of redeeming the excess in cash or in kind. If shares are redeemed
in kind, the redeeming shareholder might incur brokerage costs in converting the
assets to cash. The securities delivered will be selected at the sole discretion
of the manager.  Such securities will not necessarily be  representative  of the
entire  portfolio  and may be  securities  that  the  manager  regards  as least
desirable.  The method of valuing  securities  used to make  redemptions in kind
will be the same as the method of valuing portfolio  securities described in the
Prospectus under the caption "How Share Price is Determined," and such valuation
will be made as of the same time the redemption price is determined.

HOLIDAYS

   
     The funds do not determine the net asset value of their shares on days when
the New York Stock  Exchange  is closed.  Currently,  the  Exchange is closed on
Saturdays and Sundays and on holidays, namely New Year's Day, Martin Luther King
Jr. Day,  Presidents' Day, Good Friday,  Memorial Day,  Independence  Day, Labor
Day, Thanksgiving and Christmas.
    

FINANCIAL STATEMENTS

   
     The  financial  statements of the funds for the fiscal year ended March 31,
1997, are included in the Annual Report to shareholders  for that period,  which
is incorporated herein by reference. In addition, the funds' unaudited financial
statements  for the six months ended  September  30,  1996,  are included in the
Semiannual  Report to shareholders  which is  incorporated  herein by reference.
With respect to the unaudited  financial  statements  incorporated  herein,  all
adjustments, in the opinion of management,  necessary for a fair presentation of
the financial  position and results of operation for the periods  indicated have
been made.  The results of  operations of the funds for the  respective  periods
indicated are not necessarily indicative of the results for the entire year. You
may receive  copies of the Annual and  Semiannual  Reports  without  charge upon
request to the funds at the address and phone  number shown on the cover of this
Statement.
    

16                                                  American Century Investments


   
P.O. Box 419200
Kansas City, Missouri
64141-6200

Investor Services:
1-800-345-2021 or 816-531-5575
    

Automated Information Line:
1-800-345-8765

   
Telecommunications Device for the Deaf:
1-800-634-4113 or 816-444-3485

Fax: 816-340-7962
    

Internet: www.americancentury.com

                            [american century logo]
                                    American
                                  Century(sm)

9708           [recycled logo]
SH-BKT-8900       Recycled
<PAGE>
PART C.  OTHER INFORMATION.

ITEM 24.  Financial Statements and Exhibits.

     (a)  Financial Statements

          (i)  Financial   Statements  filed  in  Part  A  of  the  Registration
               Statement:

               1.   Financial Highlights.

          (ii) Financial   Statements  filed  in  Part  B  of  the  Registration
               Statement  (each  of  the  following   financial   statements  is
               contained in the Registrant's Annual Report dated March 31, 1997,
               and  which  are  incorporated  by  reference  in  Part B of  this
               Registration Statement):

               1.   Statements of Assets and Liabilities at March 31, 1997.

               2.   Statements of Operations for the year ended March 31, 1997.

               3.   Statements of Changes in Net Assets for the year ended March
                    31, 1997.

               4.   Notes to Financial Statements as of March 31, 1997.

               5.   Schedule of Investments at March 31, 1997.

               6.   Report of Independent Auditors dated April 25, 1997.

     b)   Exhibits (all exhibits not filed herein are being incorporated  herein
          by reference).

               1.   (a) Articles of Incorporation  of Twentieth  Century Premium
                    Reserves,  Inc., dated January 7, 1993 (filed electronically
                    as an exhibit to Post-Effective Amendment No. 4 on Form N-1A
                    on July 31, 1996, File No. 33-57430).

                    (b)  Articles  Supplementary  of Twentieth  Century  Premium
                    Reserves,  Inc., dated April 24, 1995 (filed  electronically
                    as an exhibit to Post-Effective Amendment No. 4 on Form N-1A
                    on July 31, 1996, File No. 33-57430).

                    (c)  Articles of  Amendment  of  Twentieth  Century  Premium
                    Reserves,  Inc.,  dated  December 2, 1996  (filed  herein as
                    EX-99.B1c).

                    (d)  Articles  Supplementary  of  American  Century  Premium
                    Reserves,  Inc.,  dated  December 2, 1996  (filed  herein as
                    EX-99.B1d).

               2.   By-Laws of Twentieth Century Premium  Reserves,  Inc. (filed
                    electronically as an exhibit to Post-Effective Amendment No.
                    4 on Form N-1A on July 31, 1996, File No. 33-57430).

               3.   Voting Trust Agreements - None.

               4.   Specimen copy of stock certificate-all  series (filed herein
                    as EX-99.B4).

               5.   Management  Agreement  dated as of August 1,  1997,  between
                    American Century Premium Reserves, Inc. and American Century
                    Investment Management, Inc. (filed herein as EX-99.B5).

               6.   (a)  Distribution  Agreement  between TCI Portfolios,  Inc.,
                    Twentieth  Century  Capital  Portfolios,   Inc.,   Twentieth
                    Century Investors, Inc., Twentieth Century Premium Reserves,
                    Inc.,  Twentieth Century Strategic Asset Allocations,  Inc.,
                    Twentieth  Century  World  Investors,   Inc.  and  Twentieth
                    Century  Securities,  Inc. dated September 3, 1996 (filed as
                    an Exhibit to  Post-Effective  Amendment No. 21 on Form N-1A
                    of American Century Variable  Portfolios,  Inc.,  Commission
                    File No. 811-5188).

                    (b)  Amendment  No.  1  to  Distribution  Agreement  between
                    American Century Variable Portfolios, Inc., American Century
                    Capital  Portfolios,  Inc.,  American  Century Mutual Funds,
                    Inc.,  American  Century Premium  Reserves,  Inc.,  American
                    Century Strategic Asset Allocations,  Inc., American Century
                    World Mutual  Funds,  Inc. and American  Century  Investment
                    Services,  Inc.  dated June 13, 1997 (filed as an Exhibit to
                    Post-  Effective  Amendment  No. 21 on Form N-1A of American
                    Century  Variable  Portfolios,  Inc.,  Commission  File  No.
                    811-5188).

               7.   Bonus and Profit Sharing Plan, Etc. - None.

               8.   (a) Global  Custody  Agreement  between The Chase  Manhattan
                    Bank and the  Twentieth  Century  and  Benham  funds,  dated
                    August 9,  1996.  (filed  as an  Exhibit  to  Post-Effective
                    Amendment No. 31 on Form N-1A of American Century Government
                    Income Trust, Commission File No. 2-99222).

                    (b)  Master  Agreement   between  Commerce  Bank,  N.A.  and
                    Twentieth  Century  Services,  Inc.  dated  January 22, 1997
                    (filed as an Exhibit to Post- Effective  Amendment No. 76 on
                    Form N-1A of American Century Mutual Funds, Inc., Commission
                    File No. 2-14213).

               9.   Transfer  Agency  Agreement,  dated as of March 16, 1993, by
                    and between  Twentieth  Century Premium  Reserves,  Inc. and
                    Twentieth Century Services, Inc. (filed electronically as an
                    exhibit to  Post-Effective  Amendment  No. 4 on Form N-1A on
                    July 31, 1996, File No. 33-57430).

               10.  Opinion and Consent of Counsel (filed herein as EX-99.B10).

               11.  Consent of Ernst & Young LLP (filed herein as EX-99.B11).

               12.  Annual Report of the Registrant  dated March 31, 1997 (filed
                    electronically on May 30, 1997).

               13.  Agreements of Initial Capital, Etc. - None.

               14.  Model  Retirement Plans (filed as Exhibits 14a, 14b, 14c and
                    14d to  Pre-Effective  Amendment  No. 2 to the  Registration
                    Statement on Form N-1A of Twentieth Century World Investors,
                    Inc., Commission File No. 33-39242, filed May 6, 1991).

               15.  12b-1 Plans - None.

               16.  Schedule  of   Computation   for   Performance   Advertising
                    Quotations (filed herein as EX-99.B16).

               17.  Power of Attorney (filed herein as EX-99.B17).

               27.  (a) Financial Data Schedule for Premium  Government  Reserve
                    (EX-27.5.1).

                    (b)  Financial  Data  Schedule for Premium  Capital  Reserve
                    (EX-27.5.2).

                    (c) Financial Data Schedule for Premium Bond (EX-27.5.3).


ITEM 25. Persons Controlled by or Under Common Control with Registrant - None.


ITEM 26. Number of Holders of Securities.

                                                  Number of Record Holders
           Title of Services                        as of June 30, 1997
           -----------------                      ---------------------
        Premium Government Reserve                        164
        Premium Capital Reserve                           433
        Premium Managed Bond                               86

ITEM 27. Indemnification.

          The  Registrant  is a  Maryland  corporation.  Section  2-418  of  the
          Maryland  General  Corporation  Law allows a Maryland  corporation  to
          indemnify its officers, directors,  employees and agents to the extent
          provided in such statute.

          Article XIII of the Registrant's Articles of Incorporation, Exhibit 1,
          requires  the  indemnification  of  the  Registrant's   directors  and
          officers  to the extent  permitted  by Section  2-418 of the  Maryland
          General  Corporation  Law, the Investment  Company Act of 1940 and all
          other applicable laws.

          The Registrant  intends to purchase an insurance  policy  insuring its
          officers and directors against certain liabilities which such officers
          and directors may incur while acting in such  capacities and providing
          reimbursement  to the Registrant for sums which it may be permitted or
          required   to  pay  to  its   officers   and   directors   by  way  of
          indemnification  against such  liabilities,  subject in either case to
          clauses respecting deductibility and participation.

ITEM 28. Business and Other Connections of Investment Advisor.

          American Century Investment Management,  Inc., the investment advisor,
          is engaged in the  business of  managing  investments  for  registered
          investment   companies,   deferred   compensation   plans   and  other
          institutional investors.

ITEM 29. Principal Underwriters - None.

ITEM 30. Location of Accounts and Records.

          All accounts,  books and other documents  required to be maintained by
          Section 31(a) of the 1940 Act, and the rules  promulgated  thereunder,
          are  in  the  possession  of  Registrant,  American  Century  Services
          Corporation  and American  Century  Investment  Management,  Inc., all
          located at 4500 Main Street, Kansas City, Missouri 64111.

ITEM 31. Management Services - None.

ITEM 32. Undertakings.

         (a)      Not Applicable.

         (b)      Not Applicable.

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

         (d)      The Registrant hereby undertakes that it will, if requested to
                  do so by the  holders  of at  least  10%  of the  Registrant's
                  outstanding  shares,  call a meeting of  shareholders  for the
                  purpose  of  voting  upon the  question  of the  removal  of a
                  director   and  to  assist   in   communication   with   other
                  shareholders as required by Section 16(c).
<PAGE>
                                   SIGNATURES

     Pursuant  to  the  requirements  of the  Securities  Act of  1933  and  the
Investment  Company Act of 1940, the Registrant  certifies that it meets all the
requirements  for  effectiveness of this  Post-Effective  Amendment No. 6 to its
Registration  Statement pursuant to Rule 485(b) promulgated under the Securities
Act of 1933, as amended, and has duly caused this Post-Effective Amendment No. 6
to its  Registration  Statement  to be signed on its behalf by the  undersigned,
thereunto duly authorized,  in the City of Kansas City, State of Missouri on the
30th day of July, 1997.

                                  American Century Premium Reserves, Inc.
                                              (Registrant)

                                  By: /s/ James E. Stowers III
                                      James E. Stowers III, President

     Pursuant  to  the   requirements  of  the  Securities  Act  of  1933,  this
Post-Effective Amendment No. 6 has been signed below by the following persons in
the capacities and on the dates indicated.

<TABLE>
<CAPTION>

       Signature                         Title                               Date
       ---------                         -----                               ----
<S>                               <C>                                   <C> 
       *                          Chairman of the Board                 July 30, 1997
- -------------------------         and Director
James E. Stowers, Jr.             

/s/ James E. Stowers III          President, Director and               July 30, 1997
- -------------------------         Principal Executive Officer
James E. Stowers, III

       *                          Executive Vice President-Finance      July 30, 1997
- -------------------------         and Principal Financial Officer
Robert T. Jackson                 

       *                          Vice President, Treasurer and         July 30, 1997
- -------------------------         Principal Accounting Officer 
Maryanne Roepke                   

       *                          Director                              July 30, 1997
- -------------------------
Thomas A. Brown

       *                          Director                              July 30, 1997
- -------------------------
Robert W. Doering, M.D.

       *                          Director                              July 30, 1997
- -------------------------
Linsley L. Lundgaard

       *                          Director                              July 30, 1997
- -------------------------
Donald H. Pratt

       *                          Director                              July 30, 1997
- -------------------------
Lloyd T. Silver, Jr.

       *                          Director                              July 30, 1997
- -------------------------
M. Jeannine Strandjord

       *                          Director                              July 30, 1997
- -------------------------
D. D. (Del) Hock


*By /s/ James E. Stowers III
      James E. Stowers III
      Attorney-in-Fact
</TABLE>

EXHIBIT INDEX

EXHIBIT NUMBER     DESCRIPTION OF DOCUMENT

EX-99B1a           Articles  of  Incorporation  of  Twentieth   Century  Premium
                   Reserves,  Inc., dated January 7, 1993 (filed  electronically
                   as Exhibit 1a to Post-Effective Amendment No. 4 on Form N-1A,
                   filed  on  July  31,  1996,   and   incorporated   herein  by
                   reference).

EX-99.B1b          Articles Supplementary of Twentieth Century Premium Reserves,
                   Inc., dated April 24, 1995 (filed  electronically  as Exhibit
                   1b to  Post-Effective  Amendment No. 4 on Form N-1A, filed on
                   July 31, 1996 and incorporated herein by reference).

EX-99.B1c          Articles of Amendment of Twentieth  Century Premium Reserves,
                   Inc., dated December 2, 1996.

EX-99.B1d          Articles  Supplementary of American Century Premium Reserves,
                   Inc., dated December 2, 1996.

EX-99.B2           By-Laws of Twentieth Century Premium Reserves, Inc. (filed
                   electronically as Exhibit 2 to Post-Effective Amendment No. 4
                   on Form N-1A, filed on July 31, 1996 and incorporated herein
                   by reference).

EX-99.B4           Specimen copy of stock certificate-all series.

EX-99.B5           Management  Agreement  dated as of  August 1,  1997,  between
                   American Century Premium Reserves,  Inc. and American Century
                   Investment Management, Inc.

EX-99.B6a          Distribution   Agreement   between  TCI   Portfolios,   Inc.,
                   Twentieth Century Capital Portfolios, Inc., Twentieth Century
                   Investors,  Inc.,  Twentieth Century Premium Reserves,  Inc.,
                   Twentieth   Century   Strategic  Asset   Allocations,   Inc.,
                   Twentieth Century World Investors, Inc. and Twentieth Century
                   Securities, Inc. dated September 3, 1996 (filed as an Exhibit
                   to  Post-Effective  Amendment No. 21 on Form N-1A of American
                   Century  Variable  Portfolios,   Inc.,  Commission  File  No.
                   811-5188).

EX-99.B6b          Amendment No. 1 to Distribution  Agreement  between  American
                   Century Variable  Portfolios,  Inc., American Century Capital
                   Portfolios,   Inc.,  American  Century  Mutual  Funds,  Inc.,
                   American  Century Premium  Reserves,  Inc.,  American Century
                   Strategic Asset  Allocations,  Inc.,  American  Century World
                   Mutual Funds, Inc. and American Century Investment  Services,
                   Inc.  dated  June 13,  1997  (filed  as an  Exhibit  to Post-
                   Effective  Amendment No. 21 on Form N-1A of American  Century
                   Variable Portfolios, Inc., Commission File No. 811-5188).

EX-99.B8a          Global Custody Agreement between The Chase Manhattan Bank and
                   the Twentieth Century and Benham funds, dated August 9, 1996.
                   (filed as an Exhibit to  Post-Effective  Amendment  No. 31 on
                   Form  N-1A  of  American  Century  Government  Income  Trust,
                   Commission File No. 2-99222).

EX-99.B8b          Master  Agreement  between  Commerce Bank, N.A. and Twentieth
                   Century  Services,  Inc.  dated January 22, 1997 (filed as an
                   Exhibit to Post-  Effective  Amendment No. 76 on Form N-1A of
                   American  Century  Mutual Funds,  Inc.,  Commission  File No.
                   2-14213).

EX-99.B9           Transfer Agency  Agreement dated as of March 18, 1993, by and
                   between  Twentieth   Century  Premium   Reserves,   Inc.  and
                   Twentieth  Century  Services,  Inc. (filed  electronically as
                   Exhibit 9 to  Post-Effective  Amendment  No. 4 on Form  N-1A,
                   filed  on  July  31,  1996,   and   incorporated   herein  by
                   reference).

EX-99.B10          Opinion and Consent of Counsel.

EX-99.B11          Consent of Ernst & Young LLP.

EX-99.B12          Annual Report of Twentieth Century Premium Reserves, Inc. for
                   the year ended March 31, 1997  (filed  electronically  on May
                   30, 1997).

EX-99.B14          Model  Retirement  Plans (filed as Exhibits 14a, 14b, 14c and
                   14d to  Pre-Effective  Amendment  No.  2 to the  Registration
                   Statement on Form N-1A of Twentieth  Century World Investors,
                   Inc., Commission File No. 33-39242, filed May 6, 1991).

EX-99.B16          Schedules  for   Computation   of   Advertising   Performance
                   Quotations.

EX-99.B17          Power of Attorney.

EX-27.5.1          Financial Data Schedule for Premium Government Reserve.

EX-27.5.2          Financial Data Schedule for Premium Capital Reserve.

EX-27.5.3          Financial Data Schedule for Premium Bond.


                              ARTICLES OF AMENDMENT

                                       OF

                    TWENTIETH CENTURY PREMIUM RESERVES, INC.


         The  undersigned,  William M. Lyons,  in  accordance  with the Maryland
General Corporation Law, does hereby certify that:

         1. He is the duly elected Executive Vice President of Twentieth Century
Premium Reserves, Inc., a Maryland corporation (the "Corporation").

         2. The amendment to the Articles of  Incorporation  of the Corporation,
which was  approved as of November  23,  1996 by the Board of  Directors  of the
Corporation at a meeting pursuant to Section 2-605(a)(4) of the Maryland General
Corporation Law, is as follows:

                  The Articles of  Incorporation  of the  Corporation are hereby
         amended by deleting all of the present  Article SECOND and inserting in
         lieu therefor the following Article SECOND:

                  "SECOND:  The name of the Corporation is

                           American Century Premium Reserves, Inc."

         3. The amendment shall be effective January 1, 1997.

         IN WITNESS  WHEREOF,  the undersigned  hereby  acknowledges  that these
Articles of Amendment  are the act of the  Corporation  and states,  that to the
best of his  knowledge,  information  and belief,  the matters and facts  stated
herein are true in all material respects,  and that this statement is made under
penalties of perjury.

         Dated this 2nd day of December, 1996.


                                                     /s/ William M. Lyons
                                                     William M. Lyons
                                                     Executive Vice President
Witness:

/s/ Charles A. Etherington
Charles A. Etherington
Assistant Secretary


                     AMERICAN CENTURY PREMIUM RESERVES, INC.

                             ARTICLES SUPPLEMENTARY

         AMERICAN CENTURY PREMIUM RESERVES,  INC., a Maryland  corporation whose
principal Maryland office is located in Baltimore, Maryland (the "Corporation"),
hereby certifies to the State Department of Assessments and Taxation of Maryland
that:

         FIRST:  The Corporation is registered as an open-end  company under the
Investment Company Act of 1940.

         SECOND:  Pursuant  to  authority  expressly  vested  in  the  Board  of
Directors of the  Corporation  by Section  2-605(a)(4)  of the Maryland  General
Corporation  Law, the Board of Directors of the Corporation has renamed the duly
established and allocated series of the Corporation's stock as follows:

         NEW SERIES NAME                                  PRIOR SERIES NAME
         ---------------                                  -----------------
American Century - Benham Premium                     Twentieth Century Premium
  Managed Bond Fund                                     Bond
American Century - Benham Premium                     Twentieth Century Premium
  Government Reserve Fund                               Government Reserve
American Century - Benham Premium                     Twentieth Century Premium
  Capital Reserve Fund                                  Capital Reserve

The name changes shall be effective on January 1, 1997.

         THIRD:  Except as otherwise provided by the express provisions of these
Articles  Supplementary,  nothing herein shall limit, by inference or otherwise,
the  discretionary  right of the Board of  Directors to  serialize,  classify or
reclassify and issue any unissued  shares of any Series or Class or any unissued
shares that have not been  allocated  to a Series or Class,  and to fix or alter
all terms thereof,  to the full extent provided by the Articles of Incorporation
of the Corporation.

         FOURTH:  A description  of the series and classes of shares,  including
the  preferences,  conversion  and other rights,  voting  powers,  restrictions,
limitations  as to  dividends,  qualifications,  and  terms and  conditions  for
redemption is set forth in the Articles of  Incorporation of the Corporation and
is not  changed by these  Articles  Supplementary,  except  with  respect to the
creation and/or designation of the various Series.

         FIFTH:   The  Board  of  Directors  of  the  Corporation  duly  adopted
resolutions renaming the Series, as set forth in Article SECOND.


<PAGE>



         IN WITNESS WHEREOF,  AMERICAN CENTURY PREMIUM RESERVES, INC. has caused
these Articles  Supplementary  to be signed and  acknowledged in its name and on
its behalf by its Executive Vice President and its corporate seal to be hereunto
affixed and attested to by its Secretary on this 2nd day of December, 1996.

                                            AMERICAN CENTURY PREMIUM
ATTEST:                                     RESERVES, INC.


/s/ Patrick A. Looby                        /s/ William M. Lyons
Name: Patrick A. Looby                      Name: William M. Lyons
Title:   Secretary                          Title:   Executive Vice President


         THE  UNDERSIGNED  Executive Vice President of AMERICAN  CENTURY PREMIUM
RESERVES,  INC.,  who  executed  on behalf  of said  Corporation  the  foregoing
Articles Supplementary to the Charter, of which this certificate is made a part,
hereby  acknowledges,  in the name of and on  behalf  of said  Corporation,  the
foregoing Articles  Supplementary to the Charter to be the corporate act of said
Corporation,  and  further  certifies  that,  to  the  best  of  his  knowledge,
information and belief,  the matters and facts set forth therein with respect to
the approval  thereof are true in all material  respects  under the penalties of
perjury.



Dated:  December 2, 1996              /s/ William M. Lyons
                                      William M. Lyons, Executive Vice President


                           Specimen Stock Certificate

                       AMERICAN CENTURY - (name of series)

                        A Series of the Capital Stock of
                     American Century Premium Reserves, Inc.
              Incorporated Under the Laws of the State of Maryland

NUMBER                                DATED                               SHARES


This is to Certify that

     IS THE OWNER OF THE FULLY PAID AND NON-ASSESSABLE SHARES STATED ABOVE OF
                       American Century - (name of series)
                                (name of class)

      A series of the Capital Stock, Par Value $0.01, of American Century
                             Premium Reserves, Inc.

                             (american century logo)
                                    American
                                  Century (sm)

                     [printed vertically along right margin]
                                 Countersigned:

                         By---------------Transfer Clerk

     The  Corporation  will furnish  without charge to each  Shareholder  who so
requests the  designations  and the  preferences,  conversion  and other rights,
voting powers, restrictions,  limitations as to dividends,  qualifications,  and
terms and  conditions  of  redemption  of each  series and class of stock of the
Corporation.

     This certificate and the shares  represented hereby are issued and shall be
held  subject to all the  provisions  of the  Articles of  Incorporation  of the
Corporation  and all  amendments  thereto,  copies  of which  are on file at the
executive  offices of the  Corporation,  and the holder  hereof by acceptance of
this certificate consents and agrees to be bound by all of said provisions.

     This certificate is not valid until countersigned by an authorized Transfer
Clerk of the Corporation.

     WITNESS the  facsimile  signatures  of the  Corporation's  duly  authorized
officers.

/s/Patrick A. Looby                                      /s/James E. Stowers III
Patrick A. Looby                                         James E. Stowers III
SECRETARY                                                PRESIDENT

                             [front of certificate]


FOR VALUE RECEIVED,-----------------------------HEREBY SELL, ASSIGN AND TRANSFER

unto----------------------------------------------------------------------------
- --------------------------------------------------------------------------------
of the  Common  Stock  represented  by the  within  Certificate,  and do  hereby
irrevocably constitute and appoint

- ------------------------------------------------------------------------Attorney
to  transfer  the said Stock on the books of the within  named  issuer with full
power of substitution in the premises.

DATED:-------------------                        -------------------------------
                                                 Signature

                                                 -------------------------------
                                                 Signature

(signature guarantee stamp)

[printed vertically along far right margin]

     NOTICE:  The  signature(s)  on this  assignment  must  correspond  with the
name(s)  as  written  upon the  face of the  certificate,  in every  particular,
without alteration or any change whatever.

     The  signature(s)  must be  guaranteed by a bank or trust  company,  credit
union,  broker-dealer,  securities  exchange or association,  clearing agency or
savings  association,   as  defined  by  federal  law.  Notarized  or  witnessed
signatures are not acceptable as guaranteed signatures.

                              [back of certificate]

                              MANAGEMENT AGREEMENT


         THIS MANAGEMENT AGREEMENT  ("Agreement"),  is made as of the 1st day of
August, 1997, by and between AMERICAN CENTURY PREMIUM RESERVES, INC., a Maryland
corporation  (hereinafter  called  the  "Corporation"),   and  AMERICAN  CENTURY
INVESTMENT  MANAGEMENT,  INC., a Delaware  corporation  (hereinafter  called the
"Investment Manager").

         WHEREAS,  the parties  hereto  desire to enter into this  Agreement  to
arrange for investment  management services to be provided by Investment Manager
for all series of shares issued by the Corporation.

         IN  CONSIDERATION   of  the  mutual  promises  and  agreements   herein
contained, the parties agree as follows:

         1.  Investment  Management  Services.   The  Investment  Manager  shall
supervise  the   investments  of  each  series  of  shares  of  the  Corporation
contemplated as of the date hereof,  and such subsequent series of shares as the
Corporation shall select the Investment Manager to manage. In such capacity, the
Investment  Manager shall either directly,  or through the utilization of others
as contemplated by Section 7 below, maintain a continuous investment program for
each such series,  determine what securities  shall be purchased or sold by each
series,  secure  and  evaluate  such  information  as it deems  proper  and take
whatever  action is necessary or convenient to perform its functions,  including
the placing of purchase and sale orders.

         2.  Compliance  With Laws.  All functions  undertaken by the Investment
Manager  hereunder shall at all times conform to, and be in accordance with, any
requirements imposed by: (1) the Investment Company Act of 1940, as amended (the
"Investment Company Act"), and any rules and regulations promulgated thereunder;
(2) any other applicable provisions of law; (3) the Articles of Incorporation of
the  Corporation as amended from time to time; (4) the Bylaws of the Corporation
as  amended  from  time to  time;  and (5) the  registration  statements  of the
Corporation,  as amended from time to time,  filed under the  Securities  Act of
1933 and the Investment Company Act.

         3. Board Supervision. All of the functions undertaken by the Investment
Manager hereunder shall at all times be subject to the direction of the Board of
Directors of the  Corporation,  its  executive  committee,  or any  committee or
officers  of  the  Corporation  acting  under  the  authority  of the  Board  of
Directors.

         4.  Payment Of  Expenses.  The  Investment  Manager will pay all of the
expenses of each series of the Corporation's  shares that it shall manage, other
than interest, taxes, brokerage commissions, extraordinary expenses and the fees
and expenses of those  directors who are not  "interested  person" as defined in
Investment Company Act (hereinafter referred to as the "Independent  Directors")
(including  counsel fees).  The Investment  Manager will provide the Corporation
with all physical  facilities and personnel required to carry on the business of
each series that the Investment Manager shall manage,  including but not limited
to office space,  office  furniture,  fixtures and equipment,  office  supplies,
computer  hardware and software  and  salaried  and hourly paid  personnel.  The
Investment  Manager may at its expense  employ others to provide all or any part
of such facilities and personnel.

         5.  Account  Fees.  The  Corporation,  by  resolution  of the  Board of
Directors,  including a majority of the Independent Directors,  may from time to
time authorize the  imposition of a fee as a direct charge  against  shareholder
accounts  of  one or  more  of  the  series,  such  fee  to be  retained  by the
Corporation  or to be paid to the  Investment  Manager to defray  expenses which
would  otherwise  be paid by the  Investment  Manager  in  accordance  with  the
provisions  of  paragraph  4 of this  Agreement.  At least sixty (60) days prior
written  notice  of  the  intent  to  impose  such  fee  must  be  given  to the
shareholders of the affected series.

         6. Management Fees.

         (a)  In  consideration  of the  services  provided  by  the  Investment
Manager,  each  series of shares of the  Corporation  managed by the  Investment
Manager  shall  pay  to  the  Investment  Manager  a per  annum  management  fee
(hereinafter, the "Applicable Fee"), as follows:

                Name of Series                                   Applicable Fee
                --------------                                   --------------
American Century - Benham Premium Government Reserve Fund             0.45%
American Century - Benham Premium Capital Reserve Fund                0.45%
American Century - Benham Premium Bond Fund                           0.45%

         (b) On the first  business  day of each  month,  each  series of shares
shall pay the management fee at the rate specified by  subparagraph  (a) of this
paragraph 6 to the Investment  Manager for the previous  month.  The fee for the
previous  month shall be calculated by  multiplying  the Applicable Fee for such
series by the  aggregate  average  daily closing value of the series' net assets
during the previous month,  and further  multiplying that product by a fraction,
the  numerator of which shall be the number of days in the previous  month,  and
the denominator of which shall be 365 (366 in leap years).

         (c) In the event that the Board of Directors of the  Corporation  shall
determine to issue any additional series of shares for which it is proposed that
the Investment  Manager serve as investment  manager,  the  Corporation  and the
Investment  Manager shall enter into an Addendum to this Agreement setting forth
the name of the series,  the  Applicable Fee and such other terms and conditions
as are applicable to the management of such series of shares.

         7.  Subcontracts.  In rendering the services to be provided pursuant to
this  Agreement,  the  Investment  Manager  may,  from  time to time,  engage or
associate  itself with such persons or entities as it determines is necessary or
convenient in its sole discretion and may contract with such persons or entities
to obtain  information,  investment  advisory and management  services,  or such
other  services  as  the  Investment  Manager  deems   appropriate.   Any  fees,
compensation  or expenses to be paid to any such person or entity  shall be paid
by the Investment  Manager,  and no obligation to such person or entity shall be
incurred on behalf of the Corporation.  Any arrangement entered into pursuant to
this paragraph  shall, to the extent required by law, be subject to the approval
of the Board of  Directors  of the  Corporation,  including  a  majority  of the
Independent Directors, and the shareholders of the Corporation.

         8. Continuation Of Agreement.  This Agreement shall continue in effect,
unless sooner terminated as hereinafter provided, for a period of two years from
the  execution  hereof,  and  for  as  long  thereafter  as its  continuance  is
specifically  approved at least  annually  (a) by the Board of  Directors of the
Corporation or by the vote of a majority of the outstanding voting securities of
the  Corporation,  and (b) by the vote of a  majority  of the  directors  of the
Corporation,  who are not parties to the agreement or interested  persons of any
such party, cast in person at a meeting called for the purpose of voting on such
approval.

         9.  Termination.  This  Agreement may be  terminated by the  Investment
Manager at any time without penalty upon giving the Corporation 60 days' written
notice,  and may be  terminated  at any time  without  penalty  by the  Board of
Directors of the Corporation or by vote of a majority of the outstanding  voting
securities  of the  Corporation  on 60 days'  written  notice to the  Investment
Manager.

         10. Effect Of Assignment.  This Agreement shall automatically terminate
in the event of assignment by the Investment Manager,  the term "assignment" for
this purpose  having the meaning  defined in Section  2(a)(4) of the  Investment
Company Act.

         11.  Other  Activities.  Nothing  herein  shall be  deemed  to limit or
restrict  the  right  of the  Investment  Manager,  or the  right  of any of its
officers,  directors  or  employees  (who may  also be a  director,  officer  or
employee of the Corporation),  to engage in any other business or to devote time
and attention to the management or other aspects of any other business,  whether
of a similar or  dissimilar  nature,  or to render  services  of any kind to any
other corporation, firm, individual or association.

         12. Standard Of Care. In the absence of willful misfeasance, bad faith,
gross negligence,  or reckless  disregard of its obligations or duties hereunder
on the part of the Investment Manager,  it, as an inducement to it to enter into
this  Agreement,  shall not be subject to liability to the Corporation or to any
shareholder  of the  Corporation  for any act or  omission  in the course of, or
connected  with,  rendering  services  hereunder  or for any losses  that may be
sustained in the purchase, holding or sale of any security.

         13. Separate  Agreement.  The parties hereto  acknowledge  that certain
provisions of the Investment Company Act, in effect, treat each series of shares
of an investment  company as a separate  investment  company.  Accordingly,  the
parties  hereto  hereby  acknowledge  and  agree  that,  to  the  extent  deemed
appropriate and consistent with the Investment Company Act, this Agreement shall
be deemed to constitute a separate  agreement between the Investment Manager and
each series of shares of the Corporation managed by the Investment Manager.

         14.  Use of the Names  "American  Century",  "Twentieth  Century",  and
"Benham".  The names "American Century",  "Twentieth Century",  and "Benham" and
all rights to the use of the names "American Century",  "Twentieth Century", and
"Benham" are the exclusive  property of American  Century  Services  Corporation
and/or its affiliate, Benham Management Corporation (collectively, "ACSC"). ACSC
has  consented  to, and  granted a  non-exclusive  license  for,  the use by the
Corporation of the names "American Century",  "Twentieth Century",  and "Benham"
in the name of the Corporation  and any series of shares  thereof.  Such consent
and non-exclusive  license may be revoked by ACSC in its discretion if ACSC, the
Investment  Manager,  or a  subsidiary  or  affiliate  of  either of them is not
employed as the investment  adviser of each series of shares of the Corporation.
In the  event of such  revocation,  the  Corporation  and each  series of shares
thereof using the names "American  Century",  "Twentieth  Century",  or "Benham"
shall  cease  using  the  names  "American  Century",  "Twentieth  Century",  or
"Benham", unless otherwise consented to by ACSC or any successor to its interest
in such names.

         IN WITNESS  WHEREOF,  the  parties  have caused  this  Agreement  to be
executed by their  respective  duly  authorized  officers as of the day and year
first above written.


AMERICAN CENTURY PREMIUM                          AMERICAN CENTURY INVESTMENT
  RESERVES, INC.                                    MANAGEMENT, INC.

By:  /s/James E. Stowers III                      By:  /s/James E. Stowers III
     Name:James E. Stowers III                         Name:James E. Stowers III
     Title:President                                   Title:President


Attest:  /s/Patrick A. Looby                      Attest: /s/William M. Lyons
         Name:Patrick A. Looby                            Name:William M. Lyons
         Title:Secretary                                  Title:Secretary

                              DAVID H. REINMILLER
                                 Attorney at Law
                        4500 Main Street, P.O. Box 418210
                        Kansas City, Missouri 64141-9210
                            Telephone (816) 340-4046
                            Telecopier (816) 340-4964

July 30, 1997

American Century Premium Reserves, Inc.
American Century Tower
4500 Main Street
Kansas City, Missouri 64111

Ladies and Gentlemen:

     As a counsel to American  Century  Premium  Reserves,  Inc., I am generally
familiar with its affairs. Based upon this familiarity, and upon the examination
of such documents as I have deemed relevant, it is my opinion that the shares of
the Corporation described in Post-Effective  Amendment No. 6 to its Registration
Statement on Form N-1A, to be filed with the Securities and Exchange  Commission
on July  30,  1997,  will,  when  issued,  be  validly  issued,  fully  paid and
nonassessable.

     For the record,  it should be stated  that I am an officer and  employee of
American Century  Services  Corporation,  an affiliated  corporation of American
Century Investment Management,  Inc., the investment adviser of American Century
Premium Reserves, Inc.

     I hereby consent to the use of this opinion as an exhibit to Post-Effective
Amendment No. 6.

                              Very truly yours,

                              /s/David H. Reinmiller
                              David H. Reinmiller


                         Consent of Independent Auditors

We  consent  to the  references  to  our  firm  under  the  captions  "Financial
Highlights" and "Independent Auditors" in the Post-Effective  Amendment No. 6 to
the  Registration  Statement  (Form  N-1A) and  related  Prospectus  of American
Century Premium  Reserves,  Inc.  (formerly  Twentieth Century Premium Reserves,
Inc.) and to the  incorporation by reference of our report dated April 25, 1997,
with respect to the financial  statements of American Century Premium  Reserves,
Inc.  included in its Annual Report to Shareholders for the year ended March 31,
1997.


                                                           /s/ Ernst & Young LLP
                                                               ERNST & YOUNG LLP

Kansas City, Missouri
July 25, 1997

                     SCHEDULE OF COMPUTATION OF PERFORMANCE
                             ADVERTISING QUOTATIONS


A.   Total Return Calculations

     Set forth below are  calculations of each type of total return  performance
quotation  included  in the  Statement  of  Additional  Information  of American
Century Premium Reserves, Inc.

     1.   AVERAGE  ANNUAL TOTAL  RETURN.  The average  annual  return of Premium
          Managed Bond,  as quoted in the  Statement of Additional  Information,
          was 4.57%.

     This return was calculated as follows:

                    n
              P(1+T)   =  ERV

              where,

       P =      a hypothetical initial payment of $1,000
       T =      average annual total return
       n =      number of years
     ERV =      ending redeemable value of the hypothetical $1,000 payment 
                at the end of 1 year.

     Applying the actual return figures of Premium Managed Bond for the 1 year
period ended March 31, 1997:

                      1
     1,000 (1 + 4.57)   =   $1,045.7

                                     ^1/1
         T =               (1,045.7)       -  1
                            1,000.0


         T =                4.57%


     2.   CUMULATIVE  TOTAL  RETURN.  The  cumulative  total  return of  Premium
          Managed  Bond from  April 1,  1993 to March 31,  1997 as quoted in the
          Statement of Additional Information, was 22.96%.

     This return was calculated as follows:

                     (ERV - P)
         C =          -------
                         P

         where,

       C =     cumulative total return
       P =     a hypothetical initial payment of $1,000
     ERV =     ending redeemable value of the hypothetical $1,000 payment at the
               end of the 1 year period.

     Applying the actual return figures for the 3 year period ended March 31,
1997:

                    (1,229.60 - 1,000)
          C =        ----------------
                           1,000

          C =       22.96%


B.   Yield Calculations

     Set  forth  below  are  representative  calculations  of each type of yield
quotation  included  in the  Statement  of  Additional  Information  of American
Century Premium Reserves, Inc.

     1.   PREMIUM  GOVERNMENT  RESERVE YIELD.  The yield for Premium  Government
          Reserve  for the seven days  ended  March 31,  1997,  as quoted in the
          Statement of Additional Information, was 5.02%.

     The yield was computed as follows:

                       I    365
                  Y = --- X --- 
                       B     7

     where,

     Y =       yield
     I =       total income of hypothetical account of one share over seven day 
               period
     B =       beginning account value ($100)

     Applying the actual figures of Premium Government Reserve for the seven day
period ended March 31, 1997:

         Y = .0963   365
             ----- X ---
              100     7

         Y = 5.02%

     Thirty-day yields are calculated similarly, with the appropriate
substitutions.

     2.   PREMIUM  GOVERNMENT  RESERVE  EFFECTIVE YIELD. The effective yield for
          Premium Government Reserve for the seven days ended March 31, 1997, as
          quoted in the Statement of Additional Information, was 5.15%.

     The effective yield was computed as follows:

          (     I ) ^365/7
     EF = (1 + ---)        - 1
          (     B )                 
               

     where,

     EF =     effective yield
      I =     total income of hypothetical account of one share over seven day 
              period
      B =     beginning account value ($100)

     Applying the actual figures of Premium Government Reserve for the seven day
period ended March 31, 1997:


     EF =     (1 + .0963)^365/7        
              (1 + -----)       - 1
              (     100 )

     EF =     5.15%


     3.   PREMIUM MANAGED BOND YIELD. The yield for Premium Managed Bond for the
          thirty  days  ended  March 31,  1997,  as quoted in the  Statement  of
          Additional Information, was 6.50%.

     The yield was calculated as follows:


                      [(a - b     )^6    ]
     Y =          2 * [(-----  + 1)   - 1]   
                      [(c * d     )      ] 

     where,

     Y =       yield
     a =       total income during thirty day period
     b =       expense accrued for the period
     c =       average daily number of shares outstanding during the period
     d =       maximum offering price per share on last day of period


     Applying the actual figures of Premium Managed Bond for the thirty day
period ended March 31, 1997:

                              
         [(123028.64 - 8049.84     )^6    ]
     2 * [(-------------------  + 1)   - 1]
         [(2202677.277 *  9.76     )      ]


      Y =      6.50%


                                POWER OF ATTORNEY

         KNOW ALL MEN BY THESE PRESENTS, that the undersigned,  American Century
Premium  Reserves,  Inc.,  hereinafter  called the  "Corporation",  and  certain
directors  and officers of the  Corporation,  do hereby  constitute  and appoint
James E. Stowers,  Jr., James E. Stowers III,  William M. Lyons,  and Patrick A.
Looby, and each of them individually, their true and lawful attorneys and agents
to take any and all  action  and  execute  any and all  instruments  which  said
attorneys and agents may deem  necessary or advisable to enable the  Corporation
to comply with the Securities  Act of 1933 and/or the Investment  Company Act of
1940, as amended, and any rules,  regulations,  orders, or other requirements of
the United States Securities and Exchange Commission  thereunder,  in connection
with the  registration  under the  Securities  Act of 1933 and/or the Investment
Company Act of 1940, as amended, including specifically,  but without limitation
of the foregoing, power and authority to sign the name of the Corporation in its
behalf and to affix its  corporate  seal,  and to sign the names of each of such
directors and officers in their  capacities  as  indicated,  to any amendment or
supplement to the Registration  Statement filed with the Securities and Exchange
Commission under the Securities Act of 1933 and/or the Investment Company Act of
1940, as amended,  and to any instruments or documents filed or to be filed as a
part of or in  connection  with  such  Registration  Statement;  and each of the
undersigned  hereby  ratifies and confirms  all that said  attorneys  and agents
shall do or cause to be done by virtue hereof.

         IN  WITNESS  WHEREOF,  the  Corporation  has  caused  this  Power to be
executed by its duly authorized officers on this the 15th day of February, 1997.

                                        AMERICAN CENTURY PREMIUM RESERVES, INC.

                                        By:
                                           /s/James E. Stowers III
                                           James E. Stowers III, President


                             SIGNATURE AND TITLE

/s/ James E. Stowers, Jr.                             /s/ Robert W. Doering
James E. Stowers, Jr.                                 Robert W. Doering, M.D.
Chairman and Director                                 Director

/s/ James E. Stowers III                              /s/ Linsley L. Lundgaard
James E. Stowers III                                  Linsley L. Lundgaard
President, Director and                               Director
Principal Executive Officer

/s/ Robert T. Jackson                                 /s/ Donald H. Pratt
Robert T. Jackson                                     Donald H. Pratt
Executive Vice President,                             Director
Principal Financial Officer

/s/ Maryanne Roepke                                   /s/ Lloyd T. Silver
Maryanne Roepke                                       Lloyd T. Silver
Vice President and Treasurer,                         Director
Principal Accounting Officer

/s/ Thomas A. Brown                                   /s/ M. Jeannine Strandjord
Thomas A. Brown                                       M. Jeannine Strandjord
Director                                              Director

                                                      /s/ D.D. ("Del") Hock
                                                      D.D. ("Del") Hock
                                                      Director
Attest:                      
                             
By: /s/ Patrick A. Looby     
Patrick A. Looby, Secretary  

<TABLE> <S> <C>

<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE ANNUAL REPORT OF AMERICAN CENTURY MUTUAL FUNDS, INC.
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<SERIES>
   <NUMBER> 1
   <NAME> AMERICAN CENTURY-BENHAM PREMIUM CAPITAL RESERVE
       
<S>                                           <C>
<PERIOD-TYPE>                                   YEAR
<FISCAL-YEAR-END>                               MAR-31-1997
<PERIOD-END>                                    MAR-31-1997
<INVESTMENTS-AT-COST>                                         150,969,750
<INVESTMENTS-AT-VALUE>                                        150,969,750
<RECEIVABLES>                                                   2,148,724
<ASSETS-OTHER>                                                  1,196,782
<OTHER-ITEMS-ASSETS>                                                    0
<TOTAL-ASSETS>                                                154,315,256
<PAYABLE-FOR-SECURITIES>                                                0
<SENIOR-LONG-TERM-DEBT>                                                 0
<OTHER-ITEMS-LIABILITIES>                                         357,423
<TOTAL-LIABILITIES>                                               357,423
<SENIOR-EQUITY>                                                 1,539,589
<PAID-IN-CAPITAL-COMMON>                                      152,419,289
<SHARES-COMMON-STOCK>                                         153,958,859
<SHARES-COMMON-PRIOR>                                         133,417,304
<ACCUMULATED-NII-CURRENT>                                               0
<OVERDISTRIBUTION-NII>                                                  0
<ACCUMULATED-NET-GAINS>                                            (1,045)
<OVERDISTRIBUTION-GAINS>                                                0
<ACCUM-APPREC-OR-DEPREC>                                                0
<NET-ASSETS>                                                  153,957,833
<DIVIDEND-INCOME>                                                       0
<INTEREST-INCOME>                                               7,781,071
<OTHER-INCOME>                                                          0
<EXPENSES-NET>                                                    641,383
<NET-INVESTMENT-INCOME>                                         7,139,688
<REALIZED-GAINS-CURRENT>                                             (387)
<APPREC-INCREASE-CURRENT>                                               0
<NET-CHANGE-FROM-OPS>                                           7,139,301
<EQUALIZATION>                                                          0
<DISTRIBUTIONS-OF-INCOME>                                       7,139,688
<DISTRIBUTIONS-OF-GAINS>                                                0
<DISTRIBUTIONS-OTHER>                                                   0
<NUMBER-OF-SHARES-SOLD>                                       244,535,922
<NUMBER-OF-SHARES-REDEEMED>                                   230,769,999
<SHARES-REINVESTED>                                             6,775,632
<NET-CHANGE-IN-ASSETS>                                         20,541,168
<ACCUMULATED-NII-PRIOR>                                                 0
<ACCUMULATED-GAINS-PRIOR>                                            (658)
<OVERDISTRIB-NII-PRIOR>                                                 0
<OVERDIST-NET-GAINS-PRIOR>                                              0
<GROSS-ADVISORY-FEES>                                             640,040
<INTEREST-EXPENSE>                                                      0
<GROSS-EXPENSE>                                                   641,383
<AVERAGE-NET-ASSETS>                                          142,439,917
<PER-SHARE-NAV-BEGIN>                                                1.00
<PER-SHARE-NII>                                                      0.05
<PER-SHARE-GAIN-APPREC>                                              0.00
<PER-SHARE-DIVIDEND>                                                 0.05
<PER-SHARE-DISTRIBUTIONS>                                            0.00
<RETURNS-OF-CAPITAL>                                                 0.00
<PER-SHARE-NAV-END>                                                  1.00
<EXPENSE-RATIO>                                                      0.45
<AVG-DEBT-OUTSTANDING>                                                  0
<AVG-DEBT-PER-SHARE>                                                 0.00
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE ANNUAL REPORT OF AMERICAN CENTURY MUTUAL FUNDS, INC.
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<SERIES>
   <NUMBER> 2
   <NAME> AMERICAN CENTURY-BENHAM PREMIUM GOVERNMENT RESERVE
       
<S>                                           <C>
<PERIOD-TYPE>                                 YEAR
<FISCAL-YEAR-END>                             MAR-31-1997
<PERIOD-END>                                  MAR-31-1997
<INVESTMENTS-AT-COST>                                        39,094,999
<INVESTMENTS-AT-VALUE>                                       39,094,999
<RECEIVABLES>                                                   448,968
<ASSETS-OTHER>                                                        0
<OTHER-ITEMS-ASSETS>                                                  0
<TOTAL-ASSETS>                                               39,543,967
<PAYABLE-FOR-SECURITIES>                                              0
<SENIOR-LONG-TERM-DEBT>                                               0
<OTHER-ITEMS-LIABILITIES>                                       705,979
<TOTAL-LIABILITIES>                                             705,979
<SENIOR-EQUITY>                                                 388,380
<PAID-IN-CAPITAL-COMMON>                                     38,449,608
<SHARES-COMMON-STOCK>                                        38,837,988
<SHARES-COMMON-PRIOR>                                        26,190,764
<ACCUMULATED-NII-CURRENT>                                             0
<OVERDISTRIBUTION-NII>                                                0
<ACCUMULATED-NET-GAINS>                                               0
<OVERDISTRIBUTION-GAINS>                                              0
<ACCUM-APPREC-OR-DEPREC>                                              0
<NET-ASSETS>                                                 38,837,988
<DIVIDEND-INCOME>                                                     0
<INTEREST-INCOME>                                             1,675,484
<OTHER-INCOME>                                                        0
<EXPENSES-NET>                                                  138,932
<NET-INVESTMENT-INCOME>                                       1,536,552
<REALIZED-GAINS-CURRENT>                                              0
<APPREC-INCREASE-CURRENT>                                             0
<NET-CHANGE-FROM-OPS>                                         1,536,552
<EQUALIZATION>                                                        0
<DISTRIBUTIONS-OF-INCOME>                                     1,536,552
<DISTRIBUTIONS-OF-GAINS>                                              0
<DISTRIBUTIONS-OTHER>                                                 0
<NUMBER-OF-SHARES-SOLD>                                      57,200,249
<NUMBER-OF-SHARES-REDEEMED>                                  46,010,775
<SHARES-REINVESTED>                                           1,457,750
<NET-CHANGE-IN-ASSETS>                                       12,647,224
<ACCUMULATED-NII-PRIOR>                                               0
<ACCUMULATED-GAINS-PRIOR>                                             0
<OVERDISTRIB-NII-PRIOR>                                               0
<OVERDIST-NET-GAINS-PRIOR>                                            0
<GROSS-ADVISORY-FEES>                                           138,640
<INTEREST-EXPENSE>                                                    0
<GROSS-EXPENSE>                                                 138,932
<AVERAGE-NET-ASSETS>                                         30,981,550
<PER-SHARE-NAV-BEGIN>                                              1.00
<PER-SHARE-NII>                                                    0.05
<PER-SHARE-GAIN-APPREC>                                            0.00
<PER-SHARE-DIVIDEND>                                               0.05
<PER-SHARE-DISTRIBUTIONS>                                          0.00
<RETURNS-OF-CAPITAL>                                               0.00
<PER-SHARE-NAV-END>                                                1.00
<EXPENSE-RATIO>                                                    0.45
<AVG-DEBT-OUTSTANDING>                                                0
<AVG-DEBT-PER-SHARE>                                               0.00
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE ANNUAL REPORT OF AMERICAN CENTURY MUTUAL FUNDS, INC.
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<SERIES>
   <NUMBER> 3
   <NAME> AMERICAN CENTURY-BENHAM PREMIUM BOND FUND
       
<S>                                           <C>
<PERIOD-TYPE>                                   YEAR
<FISCAL-YEAR-END>                               MAR-31-1997
<PERIOD-END>                                    MAR-31-1997
<INVESTMENTS-AT-COST>                                          21,795,974
<INVESTMENTS-AT-VALUE>                                         21,362,349
<RECEIVABLES>                                                     423,574
<ASSETS-OTHER>                                                        484
<OTHER-ITEMS-ASSETS>                                                    0
<TOTAL-ASSETS>                                                 21,786,407
<PAYABLE-FOR-SECURITIES>                                                0
<SENIOR-LONG-TERM-DEBT>                                                 0
<OTHER-ITEMS-LIABILITIES>                                          36,416
<TOTAL-LIABILITIES>                                                36,416
<SENIOR-EQUITY>                                                    22,294
<PAID-IN-CAPITAL-COMMON>                                       22,189,358
<SHARES-COMMON-STOCK>                                           2,229,409
<SHARES-COMMON-PRIOR>                                           2,041,414
<ACCUMULATED-NII-CURRENT>                                               0
<OVERDISTRIBUTION-NII>                                                  0
<ACCUMULATED-NET-GAINS>                                           (28,036)
<OVERDISTRIBUTION-GAINS>                                                0
<ACCUM-APPREC-OR-DEPREC>                                         (433,625)
<NET-ASSETS>                                                   21,749,991
<DIVIDEND-INCOME>                                                       0
<INTEREST-INCOME>                                               1,361,449
<OTHER-INCOME>                                                          0
<EXPENSES-NET>                                                     91,755
<NET-INVESTMENT-INCOME>                                         1,269,694
<REALIZED-GAINS-CURRENT>                                           (7,433)
<APPREC-INCREASE-CURRENT>                                        (393,769)
<NET-CHANGE-FROM-OPS>                                             868,492
<EQUALIZATION>                                                          0
<DISTRIBUTIONS-OF-INCOME>                                       1,269,694
<DISTRIBUTIONS-OF-GAINS>                                                0
<DISTRIBUTIONS-OTHER>                                                   0
<NUMBER-OF-SHARES-SOLD>                                           805,036
<NUMBER-OF-SHARES-REDEEMED>                                       743,472
<SHARES-REINVESTED>                                               126,431
<NET-CHANGE-IN-ASSETS>                                          1,470,474
<ACCUMULATED-NII-PRIOR>                                                 0
<ACCUMULATED-GAINS-PRIOR>                                         (20,603)
<OVERDISTRIB-NII-PRIOR>                                                 0
<OVERDIST-NET-GAINS-PRIOR>                                              0
<GROSS-ADVISORY-FEES>                                              91,566
<INTEREST-EXPENSE>                                                      0
<GROSS-EXPENSE>                                                    91,755
<AVERAGE-NET-ASSETS>                                           20,468,595
<PER-SHARE-NAV-BEGIN>                                                9.93
<PER-SHARE-NII>                                                      0.61
<PER-SHARE-GAIN-APPREC>                                             (0.17)
<PER-SHARE-DIVIDEND>                                                 0.61
<PER-SHARE-DISTRIBUTIONS>                                            0.00
<RETURNS-OF-CAPITAL>                                                 0.00
<PER-SHARE-NAV-END>                                                  9.76
<EXPENSE-RATIO>                                                      0.45
<AVG-DEBT-OUTSTANDING>                                                  0
<AVG-DEBT-PER-SHARE>                                                 0.00
        

</TABLE>


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