FBL SERIES FUND INC
485APOS, 1996-09-25
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<PAGE>
   
   AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON SEPTEMBER 25, 1996
    
 
                                                       REGISTRATION NOS. 2-38512
                                                                        811-2125
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
 
                            ------------------------
 
                                   FORM N-1A
                             REGISTRATION STATEMENT
                                     UNDER
/ /                        THE SECURITIES ACT OF 1933
 
                            ------------------------
 
/ /                       PRE-EFFECTIVE AMENDMENT NO.
 
   
/X/                     POST-EFFECTIVE AMENDMENT NO. 31
                                     AND/OR
    
 
                             REGISTRATION STATEMENT
/ /                 UNDER THE INVESTMENT COMPANY ACT OF 1940
 
   
/X/                             AMENDMENT NO. 31
    
                             FBL SERIES FUND, INC.
               (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
        5400 UNIVERSITY AVENUE                        (515) 225-5586
     WEST DES MOINES, IOWA 50266             (Registrant's Telephone Number,
   (Address of Principal Executive                 including Area Code)
         Offices) (Zip Code)
 
      STEPHEN M. MORAIN, ESQUIRE                         COPY TO:
        5400 UNIVERSITY AVENUE                  Charles F. Custer, Esquire
     WEST DES MOINES, IOWA 50266            Vedder, Price, Kaufman & Kammholz
      (Name and Address of Agent                 222 North LaSalle Street
             for Service)                           Chicago, IL 60601
 
   
    Pursuant  to  Rule  24f-2 under  the  Investment  Company Act  of  1940, the
Registrant has registered an  indefinite amount of  shares under the  Securities
Act  of 1933. The Rule 24f-2  Notice for the year ended  July 31, 1996 was filed
with the Securities and Exchange Commission on or about September 13, 1996.
    
 
    It is proposed  that this  filing will become  effective (check  appropriate
box)
 
   
    / /  immediately upon filing pursuant to paragraph (b)
    / /  on (date) pursuant to paragraph (b)
    / /  60 days after filing pursuant to paragraph (a)(1)
    /X/  on December 1, 1996 pursuant to paragraph (a)(1)
    / /  75 days after filing pursuant to paragraph (a)(2)
    / /  on (date) pursuant to paragraph (a)(2) of Rule 485.
 
    
 
    If appropriate, check the following box:
 
    / /  This post-effective amendment designates a new effective date for a
         previously filed post- effective amendment
 
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<PAGE>
                             FBL SERIES FUND, INC.
                      REGISTRATION STATEMENT ON FORM N-1A
                             CROSS REFERENCE SHEET
                            PURSUANT TO RULE 481(a)
 
<TABLE>
<CAPTION>
N-1A
ITEM NO.                                                                                 CAPTION
- ----------------------------------------------------------------  -----------------------------------------------------
<C>        <S>                                                    <C>
PART A  INFORMATION REQUIRED IN PROSPECTUS
       1.  Cover Page                                             Cover Page
       2.  Synopsis Summary;                                      Summary of Expenses
       3.  Condensed Financial Information                        Condensed Financial Information; Performance
                                                                    Information
       4.  General Description of Registrant                      Organization of the Fund; Investment Objectives and
                                                                    Policies of the Portfolios; Description of Certain
                                                                    Investment Techniques; Principal Risk Factors
       5.  Management of the Fund                                 Management of the Fund; General Information
      5A.  Management's Discussion of Fund Performance            Not Applicable
       6.  Capital Stock and Other Securities                     General Information; Organization of the Fund;
                                                                    Dividends and Taxes
       7.  Purchase of Securities Being Offered                   How to Buy Shares
       8.  Redemption or Repurchase                               How to Redeem Shares
       9.  Pending Legal Proceedings                              Not Applicable
 
PART B  INFORMATION REQUIRED IN STATEMENT OF ADDITIONAL INFORMATION
      10.  Cover Page                                             Cover Page
      11.  Table of Contents                                      Table of Contents
      12.  General Information and History                        Organization of the Fund (Part A)
      13.  Investment Objectives and Policies                     Investment Objectives, Policies and Techniques;
                                                                    Investment Restrictions
      14.  Management of the Fund                                 Officers and Directors; Investment Adviser;
                                                                    Underwriting and Distribution Expenses
      15.  Control Persons and Principal Holders of Securities    Other Information
      16.  Investment Advisory and Other Services                 Investment Adviser; Other Information; Underwriting
                                                                    and Distribution Expenses
      17.  Brokerage Allocation and Other Practices               Portfolio Transactions and Brokerage Commissions
      18.  Capital Stock and Other Securities                     Shareholder Voting Rights
      19.  Purchase, Redemption and Pricing of Securities Being
             Offered                                              Purchase and Redemptions; Net Asset Value
      20.  Tax Status                                             Taxes
      21.  Underwriters                                           Underwriting and Distribution Expenses
      22.  Calculation of Performance Data                        Performance Information
      23.  Financial Statements                                   Financial Statements
</TABLE>
<PAGE>
                             FBL SERIES FUND, INC.
 
   
                       Prospectus dated December 1, 1996
    
 
  FBL  Series  Fund,  Inc.  (the  "Fund")  is  an  open-end,  diversified series
management investment company consisting  of six Portfolios,  each with its  own
investment  objectives and policies. For  most purposes, each Portfolio operates
like a separate mutual fund issuing its own shares.
 
   
                             Value Growth Portfolio
                 (formerly named Growth Common Stock Portfolio)
                           High Grade Bond Portfolio
                           High Yield Bond Portfolio
                               Managed Portfolio
                             Money Market Portfolio
                              Blue Chip Portfolio
    
 
  The  Fund  is  designed  for  long-term  investors,  including  those  funding
tax-qualified  investment  plans such  as IRAs  or  other retirement  plans. The
Fund's investment adviser is FBL Investment Advisory Services, Inc.
 
  THE HIGH YIELD BOND PORTFOLIO INVESTS PRIMARILY IN LOWER-RATED BONDS, COMMONLY
REFERRED TO  AS "JUNK  BONDS,"  WHICH ENTAIL  GREATER RISKS,  INCLUDING  DEFAULT
RISKS,  THAN THOSE  ASSOCIATED WITH  HIGHER-RATED SECURITIES.  PURCHASERS SHOULD
CAREFULLY ASSESS THE RISKS ASSOCIATED WITH AN INVESTMENT IN THIS PORTFOLIO.  SEE
"INVESTMENT   OBJECTIVES  AND  POLICIES  OF   THE  PORTFOLIOS--HIGH  YIELD  BOND
PORTFOLIO," P.  13-14;  "PRINCIPAL  RISK  FACTORS--SPECIAL  CONSIDERATIONS--HIGH
YIELD  BONDS,"  P.  16-19;  "APPENDIX B--PORTFOLIO  COMPOSITION  FOR  HIGH YIELD
BONDS," P. B-1-B-2 AND "APPENDIX  C--DESCRIPTION OF CORPORATE BOND RATINGS,"  P.
C-1-C-2.
 
  AN  INVESTMENT IN THE MONEY MARKET PORTFOLIO IS NEITHER INSURED NOR GUARANTEED
BY THE  U.S.  GOVERNMENT.  THERE CAN  BE  NO  ASSURANCE THAT  THE  MONEY  MARKET
PORTFOLIO WILL BE ABLE TO MAINTAIN A STABLE NET ASSET VALUE OF $1.00 PER SHARE.
 
   
  This  Prospectus  contains  information  about  the  Fund  that  a prospective
investor should know before  investing. Please read it  carefully and retain  it
for  future reference. A Statement of Additional Information for the Fund, dated
December 1, 1996, has been filed with the Securities and Exchange Commission and
is incorporated herein by reference. The Statement of Additional Information  is
available  upon request and without  charge from the Fund  by writing or calling
the Fund at the address or telephone numbers set forth on the following page.
    
 
  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.
 
  NO  DEALER,  SALESMAN,  OR  OTHER  PERSON  HAS  BEEN  AUTHORIZED  TO  GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATIONS,  OTHER THAN THOSE CONTAINED IN  THIS
PROSPECTUS,  IN CONNECTION WITH  THE OFFER CONTAINED IN  THE PROSPECTUS, AND, IF
GIVEN OR MADE, SUCH OTHER INFORMATION OR REPRESENTATIONS MUST NOT BE RELIED UPON
AS HAVING BEEN  AUTHORIZED BY  THE FUND, THE  ADVISER OR  THE DISTRIBUTOR.  THIS
PROSPECTUS  DOES NOT CONSTITUTE AN OFFER TO  SELL, OR A SOLICITATION OF AN OFFER
TO BUY, THE SECURITIES OF THE FUND IN ANY JURISDICTION IN WHICH SUCH SALE, OFFER
TO SELL OR SOLICITATION MAY NOT BE LAWFULLY MADE.
 
   PLEASE READ THIS PROSPECTUS CAREFULLY AND RETAIN IT FOR FUTURE REFERENCE.
<PAGE>
- --------------------------------------------------------------------------------
                               TABLE OF CONTENTS
 
   
<TABLE>
<CAPTION>
                                                                                                           PAGE NO.
<S>                                                                                                      <C>
Summary................................................................................................            1
Summary of Expenses....................................................................................            3
Condensed Financial Information........................................................................            5
Investment Objectives and Policies of the Portfolios...................................................           11
Principal Risk Factors.................................................................................           16
Description of Certain Investment Techniques...........................................................           19
How to Buy Shares......................................................................................           22
How to Redeem Shares...................................................................................           23
Other Shareholder Services.............................................................................           25
Net Asset Value Information............................................................................           27
Performance Information................................................................................           28
Management of the Fund.................................................................................           29
Portfolio Transactions.................................................................................           30
Dividends and Taxes....................................................................................           31
Organization of the Fund...............................................................................           32
General Information....................................................................................           33
Appendix A.............................................................................................          A-1
Appendix B.............................................................................................          B-1
Appendix C.............................................................................................          C-1
</TABLE>
    
 
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<TABLE>
<S>                                                               <C>
                                                                  YIELD AND PURCHASE INFORMATION
   [LOGO]                                                         U.S. Toll Free (800) 247-4170
                                                                  Iowa Toll Free (800) 422-3175
FARM BUREAU MUTUAL FUNDS                                          Des Moines (515) 225-5586
5400 University Avenue, West Des Moines, Iowa 50266
</TABLE>
<PAGE>
- --------------------------------------------------------------------------------
                                                                         SUMMARY
                                                                     -----------
 
    THE  FUND.  FBL Series  Fund, Inc. (the "Fund")  is an open-end, diversified
series management  investment  company.  The  Fund is  designed  to  provide  an
opportunity  for investors to pool their money to achieve economies of scale and
diversification and to permit investors whose portfolios may not be large enough
to  qualify  for  individual  management  services  to  take  advantage  of  the
professional  investment  expertise of  FBL  Investment Advisory  Services, Inc.
("FBL" or the  "Adviser"). The Fund  currently issues shares  in six  investment
series  (a "Portfolio" or the  "Portfolios"), and the Board  of Directors of the
Fund (the "Board of Directors") may establish additional Portfolios at any time.
 
    The Fund is designed  for long-term investors, including  those who wish  to
use  shares of  one or  more Portfolios  as a  funding vehicle  for tax-deferred
retirement  plans  (including  tax-qualified  retirement  plans  and  Individual
Retirement  Account (IRA) plans), and not  for investors who intend to liquidate
their investments after  a short  period of  time. A  contingent deferred  sales
charge  (described below) is  generally imposed on  redemptions of shares within
six years of the date of purchase.
 
    INVESTMENT OBJECTIVES.  The Fund currently offers a choice of six investment
Portfolios, having the following investment objectives:
 
   
        VALUE   GROWTH   PORTFOLIO   (FORMERLY   NAMED   GROWTH   COMMON   STOCK
    PORTFOLIO).    This  Portfolio  seeks  long-term  capital  appreciation. The
    Portfolio pursues its objective by investing primarily in equity  securities
    of companies that the investment adviser believes have a potential to earn a
    high  return  on capital  and/or in  equity  securities that  the investment
    adviser believes are undervalued by the market place. Such equity securities
    may include  common stock,  preferred stock  and securities  convertible  or
    exchangeable into common stock.
    
 
        HIGH  GRADE BOND  PORTFOLIO.   This Portfolio seeks  as high  a level of
    current income  as is  consistent with  investment in  a portfolio  of  debt
    securities  deemed to be  of high quality by  the Fund's investment adviser.
    The  Portfolio  pursues  this  objective  by  investing  primarily  in  debt
    securities rated AAA, AA or A by Standard & Poor's Corporation or Aaa, Aa or
    A  by Moody's Investors Service, Inc.  and in U.S. Government securities and
    government agency securities.
 
        HIGH  YIELD  BOND  PORTFOLIO.    This  Portfolio  seeks,  as  a  primary
    objective,  as  high  a  level  of  current  income  as  is  consistent with
    investment in  a portfolio  of fixed-income  securities rated  in the  lower
    categories  of established  rating services.  As a  secondary objective, the
    Portfolio seeks  capital  appreciation  when  consistent  with  its  primary
    objective.  The Portfolio pursues these objectives by investing primarily in
    fixed-income securities rated  Baa or  lower by  Moody's Investors  Service,
    Inc.  and/or  BBB or  lower  by Standard  &  Poor's Corporation,  or unrated
    securities of comparable quality. AN INVESTMENT IN THIS PORTFOLIO MAY ENTAIL
    GREATER THAN ORDINARY FINANCIAL RISK.
 
   
        MANAGED PORTFOLIO.   This Portfolio seeks  the highest total  investment
    return  of  income  and  capital appreciation.  The  Portfolio  pursues this
    objective through a fully managed investment policy consisting of investment
    in the  following  three  market  sectors:  (i)  growth  common  stocks  and
    securities  convertible or exchangeable into growth common stocks, including
    warrants and rights; (ii) high quality debt securities and preferred  stocks
    of  the type in  which the High  Grade Bond Portfolio  may invest; and (iii)
    high quality short-term money  market instruments of the  type in which  the
    Money Market Portfolio may invest.
    
 
        MONEY  MARKET PORTFOLIO.   This  Portfolio seeks  maximum current income
    consistent with liquidity and stability of principal. The Portfolio  pursues
    this objective by investing in high quality
 
                                       1
<PAGE>
    short-term  money market instruments. In  light of the distribution services
    fee (see  "General Information--Distributor")  and the  contingent  deferred
    sales charge (see "How to Redeem Shares"), the Money Market Portfolio should
    be  viewed as  part of  a long-term  investment in  the Fund  to be  used in
    conjunction with the other Portfolios, rather than as a typical money market
    fund.
 
        BLUE CHIP PORTFOLIO.  This Portfolio seeks growth of capital and income.
    The Portfolio pursues this objective by investing primarily in common stocks
    of well-capitalized, established  companies. Because this  Portfolio may  be
    invested  heavily in particular stocks or  industries, an investment in this
    Portfolio may entail relatively greater risk of loss.
 
   
    There can  be no  assurance that  the objectives  of any  Portfolio will  be
realized.  During periods when  the investment adviser  believes that the equity
market is overvalued, or, when warranted by other prevailing market or  economic
conditions,   the  Value  Growth  Portfolio  may  hold  substantial  amounts  of
non-equity  investments.  For  further  information  regarding  the   investment
practices  of the various Portfolios, see "Investment Objectives and Policies of
the Portfolios." For  further information regarding  the principal risk  factors
associated  with investment in any of the Fund's Portfolios, see "Principal Risk
Factors."
    
 
    PURCHASES AND REDEMPTIONS.  Shares  of the Portfolios are available  through
selected  financial services  firms such  as broker/dealers,  through registered
representatives of FBL Marketing Services, Inc.  or directly from the Fund.  The
minimum  initial investment  is $250, and  subsequent investments may  be in any
amount. Shares of a Portfolio are redeemable at the net asset value per share of
the Portfolio next determined  after the Fund's receipt  of a request in  proper
form.  There  may  be  a  contingent  deferred  sales  charge  imposed  upon the
redemption of shares during the first six years after purchase, ranging from  5%
the  first year  to 1% during  the sixth  year. There is  no contingent deferred
sales charge once shares have been held six years. Shares of a Portfolio may  be
exchanged  for shares of another Portfolio for  a $5.00 exchange fee without any
contingent deferred sales charge. There is  a distribution services fee of  .50%
of the average daily net assets of the Fund. See "How to Buy Shares" and "How to
Redeem Shares."
 
   
    INVESTMENT  ADVISER AND DISTRIBUTOR.  FBL Investment Advisory Services, Inc.
serves as the investment adviser  for each of the  Portfolios for an annual  fee
that is based on the average daily net assets of each Portfolio and varies among
the  Portfolios. The maximum annual fee rate is .25% of average daily net assets
for the Blue Chip Portfolio, .40% of average daily net assets for the High Grade
Bond and Money Market Portfolios, .50% of average daily net assets for the Value
Growth Portfolio,  .55% of  average daily  net assets  for the  High Yield  Bond
Portfolio  and .60% of average daily net assets for the Managed Portfolio. These
fee rates  are reduced  when asset  levels in  a Portfolio  exceed $200  million
(except  for the Blue  Chip Portfolio). See  "Management of the Fund--Investment
Adviser." FBL also serves as distributor and principal underwriter for the Fund.
FBL pays securities  dealers a commission  of up  to 4% for  sales of  Portfolio
shares  and a service fee, payable monthly, at the annual rate of .15% on assets
maintained and serviced in  Fund accounts. FBL receives  from the Fund the  .50%
annual  distribution services fee and a .25% annual administrative services fee,
and  receives  directly  any  contingent  deferred  sales  charge  paid  on  the
redemption  of shares. Firms to  which commissions and service  fees may be paid
include FBL Marketing Services, Inc., which is affiliated with FBL. See "General
Information--Distributor."
    
 
                                       2
<PAGE>
- --------------------------------------------------------------------------------
                                                                      SUMMARY OF
                                                                        EXPENSES
                                                                 ---------------
 
<TABLE>
<S>                                                                                   <C>
SHAREHOLDER TRANSACTION EXPENSES
    Maximum Sales Load Imposed on Purchases.........................................    None
    Maximum Sales Load Imposed on Reinvested Dividends..............................    None
    Deferred Sales Load (As a percentage of redemption proceeds):
        Year 1......................................................................     5%
        Year 2......................................................................     4%
        Year 3......................................................................     4%
        Year 4......................................................................     3%
        Year 5......................................................................     2%
        Year 6......................................................................     1%
        Year 7 and following........................................................     0%
    Redemption Fee..................................................................    None
    Exchange Fee....................................................................    $5.00
</TABLE>
   
<TABLE>
<CAPTION>
                                                                  HIGH    HIGH
                                                         VALUE    GRADE   YIELD
                                                         GROWTH   BOND    BOND
                                                         ------   -----   -----
<S>                                                      <C>      <C>     <C>
ANNUAL FUND OPERATING EXPENSES
 (AS A PERCENTAGE OF NET ASSETS)
    Management Fees....................................   0.50%   0.40%   0.55%
    12b-1 Fees.........................................   0.50    0.50    0.50
    Other Expenses.....................................   0.62    0.95    0.95
                                                         ------   -----   -----
        Total Fund Operating Expenses..................   1.62%   1.85%   2.00%
                                                         ------   -----   -----
                                                         ------   -----   -----
 
<CAPTION>
 
                                                                  MONEY   BLUE
                                                         MANAGED  MARKET  CHIP
                                                         ------   -----   -----
<S>                                                      <C>      <C>     <C>
ANNUAL FUND OPERATING EXPENSES
 (AS A PERCENTAGE OF NET ASSETS)
    Management Fees....................................   0.60%   0.40%   0.25%
    12b-1 Fees.........................................   0.50    0.50    0.50
    Other Expenses.....................................   0.81    1.10    1.04
                                                         ------   -----   -----
        Total Fund Operating Expenses..................   1.91%   2.00%   1.79%
                                                         ------   -----   -----
                                                         ------   -----   -----
</TABLE>
    
 
                                       3
<PAGE>
EXAMPLE
 
    You would pay the following expenses on a $1,000 investment, assuming (1) 5%
annual return and (2) redemption at the end of each time period:
 
   
<TABLE>
<CAPTION>
PORTFOLIO                                                                     1 YEAR       3 YEARS      5 YEARS     10 YEARS
- --------------------------------------------------------------------------  -----------  -----------  -----------  -----------
<S>                                                                         <C>          <C>          <C>          <C>
Value Growth..............................................................   $      67    $      94    $     113    $     202
High Grade Bond...........................................................   $      69    $      98    $     120    $     217
High Yield Bond...........................................................   $      70    $     103    $     128    $     233
Managed...................................................................   $      69    $     100    $     123    $     223
Money Market..............................................................   $      70    $     103    $     128    $     233
Blue Chip.................................................................   $      68    $      96    $     117    $     211
</TABLE>
    
 
    You would pay  the following expenses  on the same  investment, assuming  no
redemption.
 
   
<TABLE>
<CAPTION>
PORTFOLIO                                                                     1 YEAR       3 YEARS      5 YEARS     10 YEARS
- --------------------------------------------------------------------------  -----------  -----------  -----------  -----------
<S>                                                                         <C>          <C>          <C>          <C>
Value Growth..............................................................   $      17    $      54    $      93    $     202
High Grade Bond...........................................................   $      19    $      58    $     100    $     217
High Yield Bond...........................................................   $      20    $      63    $     108    $     233
Managed...................................................................   $      19    $      60    $     103    $     223
Money Market..............................................................   $      20    $      63    $     108    $     233
Blue Chip.................................................................   $      18    $      56    $      97    $     211
</TABLE>
    
 
    The  purpose of the preceding table  is to assist investors in understanding
the various costs and expenses that an  investor in the Fund will bear  directly
or  indirectly. Long-term shareholders may pay  more in total sales charges than
the economic equivalent of the maximum front-end sales charges permitted by  the
National  Association  of Securities  Dealers, Inc.  The  example should  not be
considered to be a  representation of past or  future expenses. Actual  expenses
may  be greater or lesser than those shown. The example assumes a 5% annual rate
of return pursuant to the requirements of the Securities and Exchange Commission
and is not intended to  be representative of past  or future performance of  the
Portfolios.
 
                                       4
<PAGE>
- --------------------------------------------------------------------------------
                                                                       CONDENSED
                                                                       FINANCIAL
                                                                     INFORMATION
                                                                 ---------------
 
    The  condensed financial information  set forth below  has been derived from
the financial statements and financial highlights  of the Fund, which have  been
audited  by independent auditors. This table  should be read in conjunction with
the financial statements  and notes  thereto included  in the  Annual Report  to
Shareholders,  which financial statements  and notes are  incorporated herein by
reference.
 
    Selected data for a share of capital stock outstanding throughout each year:
 
   
VALUE GROWTH PORTFOLIO (FORMERLY NAMED GROWTH COMMON STOCK PORTFOLIO)
    
 
   
<TABLE>
<CAPTION>
                                                                  YEAR ENDED JULY 31,
                                ----------------------------------------------------------------------------------------
                                 1996      1995     1994     1993     1992     1991     1990     1989     1988     1987
                                -------   ------   ------   ------   ------   ------   ------   ------   ------   ------
<S>                             <C>       <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>
Net asset value, beginning of
  year........................   $13.04   $13.07   $15.13   $12.48   $11.64   $11.02   $11.01   $10.48   $15.91   $15.56
  Income From Investment
   Operations
    Net investment income.....     0.27     0.43     0.60     0.51     0.48     0.58     0.58     0.57     0.32     0.30
    Net gains or losses on
     investments (both
     realized and
     unrealized)..............     2.10     0.65    (0.49)    2.75     0.93     0.65     0.05     0.57    (1.56)    2.18
                                -------   ------   ------   ------   ------   ------   ------   ------   ------   ------
  Total from investment
   operations.................     2.37     1.08     0.11     3.26     1.41     1.23     0.63     1.14    (1.24)    2.48
  Less Distributions
    Dividends (from net
     investment income).......    (0.46)   (0.39)   (0.60)   (0.48)   (0.57)   (0.61)   (0.62)   (0.61)   (0.96)   (0.40)
    Distributions (from
     capital gains)...........    (0.27)   (0.72)   (1.57)   (0.13)                                       (3.23)   (1.73)
    Distributions in excess of
     net realized gains.......
                                -------   ------   ------   ------   ------   ------   ------   ------   ------   ------
  Total distributions.........    (0.73)   (1.11)   (2.17)   (0.61)   (0.57)   (0.61)   (0.62)   (0.61)   (4.19)   (2.13)
                                -------   ------   ------   ------   ------   ------   ------   ------   ------   ------
Net asset value, end of
  year........................   $14.68   $13.04   $13.07   $15.13   $12.48   $11.64   $11.02   $11.01   $10.48   $15.91
                                -------   ------   ------   ------   ------   ------   ------   ------   ------   ------
                                -------   ------   ------   ------   ------   ------   ------   ------   ------   ------
Total Return:
  Total investment return
   based on net asset value
   (1)........................    18.41%    9.36%    0.34%   27.25%   12.51%   11.67%    5.90%   11.49%  (11.70%)  17.67%
Ratios/Supplemental Data:
  Net assets, end of year
   ($000's omitted)...........   86,534   70,947   64,315   51,732   39,418   36,193   35,285   37,435   48,060   57,279
  Ratio of net expenses to
   average net assets.........     1.62%    1.62%    1.60%    1.61%    1.69%    1.59%    1.62%    1.56%    1.39%    1.04%
  Ratio of net income to
   average net assets.........     1.87%    3.43%    4.05%    3.80%    3.99%    5.19%    5.31%    5.34%    2.98%    2.02%
  Portfolio turnover rate.....       92%      85%      93%      92%      87%      59%     109%     172%     305%     262%
  Average commission rate per
   share (2)..................  $0.0529
</TABLE>
    
 
- ---------
Note: Per share amounts have been calculated  on the basis of monthly per  share
      amounts  (using average  monthly outstanding  shares) accumulated  for the
      period.
 
(1) Total investment return is calculated assuming an initial investment made at
    the net  asset value  at the  beginning  of the  year, reinvestment  of  all
    dividends  and  distributions  at  net  asset  value  during  the  year, and
    redemption on the last day of the year. Contingent deferred sales charge  is
    not reflected in the calculation of total investment return.
 
   
(2)  Average commission  rate per  share disclosure  is not  required for fiscal
    years prior to July 31, 1996.
    
 
                                       5
<PAGE>
HIGH GRADE BOND PORTFOLIO
 
   
<TABLE>
<CAPTION>
                                                     YEAR ENDED JULY 31 (EXCEPT AS INDICATED),
                                     --------------------------------------------------------------------------
                                      1996    1995    1994    1993    1992    1991    1990    1989    1988(1)
                                     ------  ------  ------  ------  ------  ------  ------  ------  ----------
<S>                                  <C>     <C>     <C>     <C>     <C>     <C>     <C>     <C>     <C>
Net asset value, beginning of
 year..............................  $10.26  $10.13  $10.69  $10.68  $10.15  $ 9.95  $10.11  $ 9.85  $10.00
  Income From Investment Operations
    Net investment income..........    0.64    0.63    0.64    0.70    0.73    0.78    0.75    0.74    0.45
    Net gains or losses on
     investments (both realized and
     unrealized)...................   (0.10)   0.16   (0.40)   0.13    0.62    0.20   (0.16)   0.26   (0.15)
                                     ------  ------  ------  ------  ------  ------  ------  ------  ----------
  Total from investment
   operations......................    0.54    0.79    0.24    0.83    1.35    0.98    0.59    1.00    0.30
  Less Distributions
    Dividends (from net investment
     income).......................   (0.64)  (0.63)  (0.64)  (0.70)  (0.73)  (0.78)  (0.75)  (0.74)  (0.45)
    Distributions (from capital
     gains)........................                   (0.16)  (0.12)  (0.09)
    Distributions in excess of net
     realized gains................           (0.03)
                                     ------  ------  ------  ------  ------  ------  ------  ------  ----------
  Total distributions..............   (0.64)  (0.66)  (0.80)  (0.82)  (0.82)  (0.78)  (0.75)  (0.74)  (0.45)
                                     ------  ------  ------  ------  ------  ------  ------  ------  ----------
Net asset value, end of year.......  $10.16  $10.26  $10.13  $10.69  $10.68  $10.15  $ 9.95  $10.11  $ 9.85
                                     ------  ------  ------  ------  ------  ------  ------  ------  ----------
                                     ------  ------  ------  ------  ------  ------  ------  ------  ----------
Total Return:
  Total investment return based on
   net asset value (2).............    5.37%   8.23%   1.77%   8.10%  13.71%  10.29%   6.15%  10.68%   4.48%(3)
Ratios/Supplemental Data:
  Net assets, end of year ($000's
   omitted)........................   9,122   8,345   7,596   8,047   7,676   4,276   3,635   3,317   2,968
  Ratio of net expenses to average
   net assets......................    1.85%   1.99%   1.90%   1.79%   1.88%   1.62%   1.68%   1.84%   1.18%
  Ratio of net income to average
   net assets......................    6.19%   6.29%   6.12%   6.59%   6.94%   7.78%   7.57%   7.57%   4.41%
  Portfolio turnover rate..........      34%     18%     42%     54%     45%     40%     66%     27%     19%
</TABLE>
    
 
- ---------
Note: Per share amounts have been calculated  on the basis of monthly per  share
      amounts  (using average  monthly outstanding  shares) accumulated  for the
      period.
 
(1) Period from December  1, 1987, date operations  commenced, through July  31,
    1988.
 
(2) Total investment return is calculated assuming an initial investment made at
    the  net asset  value at  the beginning of  the period,  reinvestment of all
    dividends and  distributions  at net  asset  value during  the  period,  and
    redemption  on the last day of  the period. Contingent deferred sales charge
    is not reflected in the calculation of total investment return.
 
(3) Computed on an annualized basis.
 
                                       6
<PAGE>
HIGH YIELD BOND PORTFOLIO
 
   
<TABLE>
<CAPTION>
                                                                      YEAR ENDED JULY 31 (EXCEPT AS INDICATED),
                                                    -----------------------------------------------------------------------------
                                                     1996     1995     1994     1993    1992    1991    1990    1989    1988(1)
                                                    -------  -------  -------  ------  ------  ------  ------  ------  ----------
<S>                                                 <C>      <C>      <C>      <C>     <C>     <C>     <C>     <C>     <C>
Net asset value, beginning of year................  $ 10.03  $ 10.00  $ 10.76  $10.47  $ 9.82  $ 9.62  $ 9.95  $ 9.86  $10.00
  Income From Investment Operations
    Net investment income.........................     0.75     0.78     0.81    0.83    0.90    0.95    0.98    0.93    0.45
    Net gains or losses on investments (both
     realized and unrealized).....................    (0.01)    0.13    (0.60)   0.46    0.65    0.19   (0.33)   0.09   (0.14)
                                                    -------  -------  -------  ------  ------  ------  ------  ------  ----------
  Total from investment operations................     0.74     0.91     0.21    1.29    1.55    1.14    0.65    1.02    0.31
  Less Distributions
    Dividends (from net investment income)........    (0.75)   (0.78)   (0.81)  (0.83)  (0.90)  (0.94)  (0.98)  (0.93)  (0.45)
    Distributions (from capital gains)............    (0.03)   (0.09)   (0.16)  (0.17)
    Distributions in excess of net realized
     gains........................................             (0.01)
                                                    -------  -------  -------  ------  ------  ------  ------  ------  ----------
  Total distributions.............................    (0.78)   (0.88)   (0.97)  (1.00)  (0.90)  (0.94)  (0.98)  (0.93)  (0.45)
                                                    -------  -------  -------  ------  ------  ------  ------  ------  ----------
Net asset value, end of year......................  $  9.99  $ 10.03  $ 10.00  $10.76  $10.47  $ 9.82  $ 9.62  $ 9.95  $ 9.86
                                                    -------  -------  -------  ------  ------  ------  ------  ------  ----------
                                                    -------  -------  -------  ------  ------  ------  ------  ------  ----------
Total Return:
  Total investment return based on net asset value
   (2)............................................     7.67%    9.71%    1.88%  12.95%  16.44%  12.83%   6.92%  10.82%   4.71%(3)
Ratios/Supplemental Data:
  Net assets, end of year ($000's omitted)........    7,349    6,691    6,425   5,758   4,835   4,029   3,399   3,013   2,648
  Ratio of net expenses to average net assets.....     2.00%    2.00%    2.00%   2.00%   1.98%   1.77%   1.83%   2.01%   1.32%
  Ratio of net income to average net assets.......     7.44%    7.83%    7.68%   7.84%   8.79%   9.98%  10.00%   9.41%   4.47%
  Portfolio turnover rate.........................       30%      23%      26%     56%     56%     78%     89%     70%     26%
Information assuming no voluntary reimbursment by
 FBL Investment Advisory Services, Inc. of excess
 operating expenses:
  Per share net investment income.................  $  0.73  $  0.75  $  0.79  $ 0.82
  Ratio of expenses to average net assets.........     2.22%    2.29%    2.17%   2.05%
  Amount reimbursed...............................  $15,361  $18,810  $10,754  $3,147
</TABLE>
    
 
- ---------
Note: Per share amounts have been calculated  on the basis of monthly per  share
      amounts  (using average  monthly outstanding  shares) accumulated  for the
      period.
 
(1) Period from December  1, 1987, date operations  commenced, through July  31,
    1988.
 
(2) Total investment return is calculated assuming an initial investment made at
    the  net asset  value at  the beginning of  the period,  reinvestment of all
    dividends and  distributions  at net  asset  value during  the  period,  and
    redemption  on the last day of  the period. Contingent deferred sales charge
    is not reflected in the calculation of total investment return.
 
(3) Computed on an annualized basis.
 
                                       7
<PAGE>
MANAGED PORTFOLIO
 
   
<TABLE>
<CAPTION>
                                                                YEAR ENDED JULY 31 (EXCEPT AS INDICATED),
                                             --------------------------------------------------------------------------------
                                                1996        1995    1994    1993    1992    1991    1990    1989    1988(1)
                                             -----------   ------  ------  ------  ------  ------  ------  ------  ----------
<S>                                          <C>           <C>     <C>     <C>     <C>     <C>     <C>     <C>     <C>
Net asset value, beginning of year.........  $ 11.85       $11.62  $12.51  $10.77  $ 9.95  $ 9.92  $ 9.93  $ 9.93  $10.00
  Income From Investment Operations
    Net investment income..................     0.46         0.56    0.55    0.54    0.61    0.66    0.68    0.65    0.42
    Net gains or losses on investments
     (both realized and unrealized)........     1.54         0.47   (0.62)   1.87    0.82    0.03   (0.01)          (0.10)
                                             -----------   ------  ------  ------  ------  ------  ------  ------  ----------
  Total from investment operations.........     2.00         1.03   (0.07)   2.41    1.43    0.69    0.67    0.65    0.32
  Less Distributions
    Dividends (from net investment
     income)...............................    (0.45)       (0.56)  (0.50)  (0.52)  (0.61)  (0.66)  (0.68)  (0.65)  (0.39)
    Distributions (from capital gains).....    (0.10)       (0.14)  (0.32)  (0.15)
    Distributions in excess of net realized
     gains.................................                 (0.10)
                                             -----------   ------  ------  ------  ------  ------  ------  ------  ----------
  Total distributions......................    (0.55)       (0.80)  (0.82)  (0.67)  (0.61)  (0.66)  (0.68)  (0.65)  (0.39)
                                             -----------   ------  ------  ------  ------  ------  ------  ------  ----------
  Capital contribution from affiliate......  $  0.03
                                             -----------   ------  ------  ------  ------  ------  ------  ------  ----------
Net asset value, end of year...............  $ 13.33       $11.85  $11.62  $12.51  $10.77  $ 9.95  $ 9.92  $ 9.93  $ 9.93
                                             -----------   ------  ------  ------  ------  ------  ------  ------  ----------
                                             -----------   ------  ------  ------  ------  ------  ------  ------  ----------
Total Return:
  Total investment return based on net
   asset value (2).........................    17.30%(3)     9.40%  (0.61)%  23.02%  14.79%   7.05%   6.96%   4.88%   4.81%(5)
Ratios/Supplemental Data:
  Net assets, end of year ($000's
   omitted)................................   27,470       21,105  19,100   8,257   3,887   3,935   3,594   3,399   3,301
  Ratio of net expenses to average net
   assets..................................     1.91%        1.94%   1.96%   1.96%   2.07%   1.84%   1.84%   2.05%   1.29%
  Ratio of net income to average net
   assets..................................     3.47%        4.86%   4.42%   4.54%   5.93%   6.51%   6.83%   6.42%   4.05%
  Portfolio turnover rate..................       81%          69%     29%     52%     77%     31%     73%    119%     53%
  Average commission rate per share (4)....  $0.0549
Information assuming no voluntary
 reimbursment by FBL Investment Advisory
 Services, Inc. of excess operating
 expenses:
  Per share net investment income..........                                $ 0.53
  Ratio of expenses to average net
   assets..................................                                  2.02%
  Amount reimbursed........................                                $3,497
</TABLE>
    
 
- ---------
Note: Per share amounts have been calculated  on the basis of monthly per  share
      amounts  (using average  monthly outstanding  shares) accumulated  for the
      period.
 
(1) Period from December  1, 1987, date operations  commenced, through July  31,
    1988.
 
(2) Total investment return is calculated assuming an initial investment made at
    the  net asset  value at  the beginning of  the period,  reinvestment of all
    dividends and  distributions  at net  asset  value during  the  period,  and
    redemption  on the last day of  the period. Contingent deferred sales charge
    is not reflected in the calculation of total investment return.
 
   
(3) The total investment return includes the effect of a capital contribution of
    $0.03 per share. The return without the capital contribution would have been
    17.13%.
    
 
   
(4) Average commission  rate per  share disclosure  is not  required for  fiscal
    years prior to July 31, 1996.
    
 
   
(5) Computed on an annualized basis.
    
 
                                       8
<PAGE>
MONEY MARKET PORTFOLIO
 
   
<TABLE>
<CAPTION>
                                                                       YEAR ENDED JULY 31 (EXCEPT AS INDICATED),
                                                       --------------------------------------------------------------------------
                                                        1996    1995    1994    1993    1992    1991    1990    1989    1988(1)
                                                       ------  ------  ------  ------  ------  ------  ------  ------  ----------
<S>                                                    <C>     <C>     <C>     <C>     <C>     <C>     <C>     <C>     <C>
Net asset value, beginning of year...................  $ 1.00  $ 1.00  $ 1.00  $ 1.00  $ 1.00  $ 1.00  $ 1.00  $ 1.00  $ 1.00
  Income From Investment Operations
    Net investment income............................    0.04    0.04    0.02    0.01    0.03    0.05    0.07    0.07    0.03
    Net gains or losses on investments (both realized
     and unrealized).................................
                                                       ------  ------  ------  ------  ------  ------  ------  ------  ----------
  Total from investment operations...................    0.04    0.04    0.02    0.01    0.03    0.05    0.07    0.07    0.03
  Less Distributions
    Dividends (from net investment income)...........   (0.04)  (0.04)  (0.02)  (0.01)  (0.03)  (0.05)  (0.07)  (0.07)  (0.03)
    Distributions (from capital gains)...............
    Distributions in excess of net realized gains....
                                                       ------  ------  ------  ------  ------  ------  ------  ------  ----------
  Total distributions................................   (0.04)  (0.04)  (0.02)  (0.01)  (0.03)  (0.05)  (0.07)  (0.07)  (0.03)
                                                       ------  ------  ------  ------  ------  ------  ------  ------  ----------
Net asset value, end of year.........................  $ 1.00  $ 1.00  $ 1.00  $ 1.00  $ 1.00  $ 1.00  $ 1.00  $ 1.00  $ 1.00
                                                       ------  ------  ------  ------  ------  ------  ------  ------  ----------
                                                       ------  ------  ------  ------  ------  ------  ------  ------  ----------
Total Return:
  Total investment return based on net asset value
   (2)...............................................    3.64%   3.60%   1.47%   1.33%   2.82%   5.52%   6.93%   7.25%   4.93%(3)
Ratios/Supplemental Data:
  Net assets, end of year ($000's omitted)...........   2,552   2,439   2,627   2,555   2,861   3,672   3,604   2,925   2,478
  Ratio of net expenses to average net assets........    2.00%   2.00%   1.93%   1.94%   2.00%   1.70%   1.65%   1.88%   1.79%(3)
  Ratio of net income to average net assets..........    3.58%   3.51%   1.45%   1.33%   2.83%   5.42%   6.65%   7.08%   4.74%(3)
  Portfolio turnover rate............................       0%      0%      0%      0%      0%      0%      0%      0%      0%
Information assuming no voluntary reimbursement by
 FBL Investment Advisory Services, Inc. of excess
 operating expenses:
  Per share net investment income....................  $ 0.03  $ 0.03
  Ratio of expenses to average net assets............    2.43%   2.20%
  Amount reimbursed..................................  $10,718 $4,948
</TABLE>
    
 
- ---------
Note: Per  share amounts have been calculated on  the basis of monthly per share
      amounts (using  average monthly  outstanding shares)  accumulated for  the
      period.
 
(1)  Period from December  1, 1987, date operations  commenced, through July 31,
    1988.
 
(2) Total investment return is calculated assuming an initial investment made at
    the net asset  value at  the beginning of  the period,  reinvestment of  all
    dividends  and  distributions  at net  asset  value during  the  period, and
    redemption on the last day of  the period. Contingent deferred sales  charge
    is not reflected in the calculation of total investment return.
 
(3) Computed on an annualized basis.
 
                                       9
<PAGE>
BLUE CHIP PORTFOLIO
 
   
<TABLE>
<CAPTION>
                                                                       YEAR ENDED JULY 31 (EXCEPT AS INDICATED),
                                                       --------------------------------------------------------------------------
                                                        1996    1995    1994    1993    1992    1991    1990    1989    1988(1)
                                                       ------  ------  ------  ------  ------  ------  ------  ------  ----------
<S>                                                    <C>     <C>     <C>     <C>     <C>     <C>     <C>     <C>     <C>
Net asset value, beginning of year...................  $22.85  $18.75  $17.69  $16.78  $15.38  $15.61  $14.56  $11.57  $10.00
  Income From Investment Operations
    Net investment income............................    0.17    0.19    0.14    0.13    0.17    0.30    0.32    0.29    0.09(5)
    Net gains or losses on investments (both realized
     and unrealized).................................    3.43    4.05    1.06    0.90    1.47    0.77    1.02    2.90    1.48
                                                       ------  ------  ------  ------  ------  ------  ------  ------  ----------
  Total from investment operations...................    3.60    4.24    1.20    1.03    1.64    1.07    1.34    3.19    1.57
  Less Distributions
    Dividends (from net investment income)...........   (0.19)  (0.14)  (0.14)  (0.12)  (0.24)  (0.31)  (0.28)  (0.20)
    Distributions (from capital gains)...............                                           (0.99)  (0.01)
    Distributions in excess of net realized gains....
                                                       ------  ------  ------  ------  ------  ------  ------  ------  ----------
  Total distributions................................   (0.19)  (0.14)  (0.14)  (0.12)  (0.24)  (1.30)  (0.29)  (0.20)   0.00
                                                       ------  ------  ------  ------  ------  ------  ------  ------  ----------
Net asset value, end of year.........................  $26.26  $22.85  $18.75  $17.69  $16.78  $15.38  $15.61  $14.56  $11.57
                                                       ------  ------  ------  ------  ------  ------  ------  ------  ----------
                                                       ------  ------  ------  ------  ------  ------  ------  ------  ----------
Total Return:
  Total investment return based on net asset value
   (2)...............................................   15.83%  22.77%   6.75%   6.21%  10.77%   8.36%   9.26%  27.94%  24.45%(3)
Ratios/Supplemental Data:
  Net assets, end of year ($000's omitted)...........  14,641   9,657   6,745   5,415   4,405   3,883   3,166   2,001   1,358
  Ratio of net expenses to average net assets........    1.79%   1.78%   1.83%   1.90%   1.92%   1.63%   1.74%   2.02%   1.45%
  Ratio of net income to average net assets..........    0.66%   0.92%   0.75%   0.73%   1.09%   2.06%   2.14%   2.25%   0.73%
  Portfolio turnover rate............................       3%      1%      1%      0%      0%      5%     37%      0%      4%
  Average commission rate per share (4)..............  $0.0748
</TABLE>
    
 
- ------------
Note: Per  share amounts have been calculated on  the basis of monthly per share
      amounts (using  average monthly  outstanding shares)  accumulated for  the
      period.
 
(1)  Period from December  1, 1987, date operations  commenced, through July 31,
    1988.
 
(2) Total investment return is calculated assuming an initial investment made at
    the net asset  value at  the beginning of  the period,  reinvestment of  all
    dividends  and  distributions  at net  asset  value during  the  period, and
    redemption on the last day of  the period. Contingent deferred sales  charge
    is not reflected in the calculation of total investment return.
 
(3) Computed on an annualized basis.
 
   
(4)  Average commission  rate per  share disclosure  is not  required for fiscal
    years prior to July 31, 1996.
    
 
   
(5) FBL Investment Advisory Services Inc. reimbursed $548 under the terms of its
    investment advisory and management services agreement.
    
 
                                       10
<PAGE>
- --------------------------------------------------------------------------------
                                                           INVESTMENT OBJECTIVES
                                                                    AND POLICIES
                                                               OF THE PORTFOLIOS
                                                    ----------------------------
 
    Each Portfolio  of the  Fund  has distinct  investment objectives  which  it
pursues through separate investment policies as described below. There can be no
assurance that the objectives of any Portfolio will be achieved. The differences
in  objectives and policies among  the Portfolios can be  expected to affect the
return of each Portfolio and  the degree of market  and financial risk to  which
each Portfolio is subject.
 
   
    The   Statement  of  Additional  Information  contains  specific  investment
restrictions  that  govern  the  Portfolios'  investments.  Those   restrictions
identified  as fundamental  policies, as well  as the  investment objectives and
investment policies described below  in the first  paragraph for each  Portfolio
are  fundamental policies, and may not be changed without a majority vote of the
outstanding shares of the affected Portfolio. See "General
Information--Shareholder Voting  Rights."  All  other  investment  policies  and
practices  described  in  this Prospectus  and  in the  Statement  of Additional
Information are not  fundamental and may  be changed by  the Board of  Directors
without  approval of the  shareholders. Each Portfolio may  engage in certain of
the portfolio  strategies described  in this  Prospectus under  "Description  of
Certain  Investment Techniques" and in  the Statement of Additional Information.
"Appendix C-- Description of  Corporate Bond Ratings"  describes the ratings  of
Moody's  Investors Service, Inc.  ("Moody's") and Standard  & Poor's Corporation
("Standard & Poor's") that are referred to herein.
    
 
    The portfolio  turnover  rates  for  the  Portfolios  are  set  forth  under
"Condensed  Financial Information." Portfolio turnover is calculated by dividing
the lesser of  purchases or sales  of a Portfolio's  securities during a  fiscal
year  by the  average monthly  value of  the Portfolio's  securities during such
fiscal year. In determining  the portfolio turnover  rate, all securities  whose
maturities  or expiration dates at the time of acquisition were one year or less
are excluded. Turnover  rates may be  affected by factors  such as purchase  and
redemption requirements and market volatility, and may vary greatly from time to
time.  Frequency of  portfolio turnover  will not  be a  limiting factor  if the
investment adviser deems it desirable to purchase or sell securities.  Increased
portfolio  turnover may result  in greater brokerage  commissions and consequent
expense to the Portfolio. If any Portfolio  were to derive more than 30% of  its
gross  income from the sale of securities  held less than three months, it might
fail to  qualify  under  the tax  laws  as  a regulated  investment  company  in
particular years and consequently would lose certain beneficial tax treatment of
its  income;  however,  each  Portfolio  intends to  continue  to  qualify  as a
regulated investment company each year. See "Dividends and Taxes."
 
    Following is a description of the  investment objectives and certain of  the
investment practices of each of the Fund's Portfolios. For a further description
of  the  investment practices  of the  various  Portfolios, see  "Description of
Certain Investment Techniques."
 
   
VALUE GROWTH PORTFOLIO
    
 
   
    The Portfolio pursues  its investment  objective by  investing primarily  in
equity  securities  of companies  that the  investment  adviser believes  have a
potential to earn a high return on capital and/or in equity securities that  the
investment  adviser believes  are undervalued by  the market  place. Such equity
securities may include common stock, preferred stock and securities  convertible
or exchangeable into common stock.
    
 
                                       11
<PAGE>
   
    The Value Growth Portfolio may invest in securities of companies in cyclical
industries  during periods when such securities appear to the investment adviser
to have strong potential for capital appreciation. The Portfolio may also invest
in "special situation" companies. A "special situation" company is one that,  in
the  opinion of  the Fund's  investment adviser,  has potential  for significant
future earnings growth  but has  not performed well  in the  recent past.  These
situations  may include companies with management turnaround, corporate or asset
restructuring or significantly undervalued assets.
    
 
   
    The investment adviser's strategy  for the Value  Growth Portfolio is  based
upon  a value-oriented analysis of common  stocks. Such an analysis focuses upon
evaluations of key  financial ratios  such as stock  price-to-book value,  stock
price-to-earnings,  stock  price-to-cash  flow  and  debt-to-total  capital. The
investment adviser attempts to determine the fundamental value of an  enterprise
using  the  foregoing ratios  and by  evaluating  an enterprise's  balance sheet
(e.g., comparing  the enterprise's  assets with  the purchase  price of  similar
recently acquired assets) as well as by using dividend discounting models.
    
 
   
    The  investment adviser's emphasis on fundamental analysis of each company's
prospects and the inherent value  of its securities may  result in a portion  of
the Portfolio being invested in medium- or smaller-sized companies that are less
identifiable  than larger, better-known  companies or in  companies that are not
perceived as being  popular investments at  a given time.  The Adviser  believes
that opportunities can be found at all size levels and, therefore, the Portfolio
may invest in companies of all sizes.
    
 
   
    When  warranted, in  the opinion  of the  investment adviser,  by prevailing
market or economic conditions, the Portfolio, for temporary defensive  purposes,
may  invest up  to 100% of  its assets  in other types  of securities, including
investment-grade  commercial  paper,  corporate  bonds,  debentures,   preferred
stocks,   obligations  of  banks  and   savings  institutions,  U.S.  Government
securities, government agency  securities and repurchase  agreements; or it  may
retain  funds in cash.  "Investment-grade commercial paper"  is commercial paper
rated A-2 or better by Standard & Poor's or Prime-2 or better by Moody's.
    
 
    Through careful  selection  of  individual  securities,  diversification  of
investments  by industry  and type of  security and constant  supervision of the
investment portfolio, the investment adviser strives to reduce risk and  thereby
conserve  principal. However, the Portfolio's  investments are subject to market
fluctuations and the risks inherent in all securities.
 
HIGH GRADE BOND PORTFOLIO
 
    The investment objective of the High  Grade Bond Portfolio is to provide  as
high  a level of current income as  is consistent with investment in a portfolio
of debt  securities  deemed to  be  of high  quality  by the  Fund's  investment
adviser.  The Portfolio  pursues its  objective by  investing primarily  in debt
securities rated AAA, AA or A  by Standard & Poor's or  Aaa, Aa or A by  Moody's
and in U.S. Government securities and government agency securities.
 
   
    From time to time, up to 20% of the Portfolio's total assets may be invested
in unrated debt securities or debt securities rated lower than the three highest
grades  of Standard &  Poor's or Moody's  as described above,  or in convertible
debt securities,  convertible  preferred stocks,  or  non-convertible  preferred
stocks  rated within the  three highest grades  of Standard &  Poor's or Moody's
applicable to such securities. To the  extent that the Portfolio does invest  in
debt  securities that are rated lower than A by Moody's or Standard & Poor's (or
are unrated but equivalent in quality to such securities), the Fund's investment
portfolio will  be subject  to relatively  greater risk  of loss  of income  and
principal as discussed under "Principal Risk Factors--Special
Considerations--High  Yield Bonds." Securities rated Ba  or lower by Moody's and
BB or lower by Standard & Poor's are considered by those rating agencies to have
varying degrees of speculative characteristics. Consequently, although they  can
be expected to
    
 
                                       12
<PAGE>
provide  higher  yields,  such  securities  may  be  subject  to  greater market
fluctuations and  risk of  loss  of income  and principal  than  lower-yielding,
higher-rated  fixed-income securities. It  is intended that at  least 65% of the
Portfolio's total  assets  will  be  invested  in  medium-  and  long-term  debt
securities  that are  rated A or  better or  that are unrated  but of equivalent
quality.
 
    The Portfolio  will not  directly purchase  common stocks.  However, it  may
retain  up to 10% of the value of its assets in common stocks acquired either by
conversion of debt securities  or by the exercise  of warrants attached to  debt
securities.
 
    When  warranted, in  the opinion  of the  investment adviser,  by prevailing
market or economic  conditions, the Portfolio  for temporary defensive  purposes
may  invest up  to 100% of  its assets  in other types  of securities, including
investment-grade  commercial   paper,   obligations   of   banks   and   savings
institutions,  U.S.  Government  securities,  government  agency  securities and
repurchase agreements, or it may retain funds in cash.
 
    Although in the opinion of the  Fund's investment adviser, the risk of  loss
of  principal should be minimized by the quality of the investments in which the
Portfolio will invest primarily, the long maturities that typically provide  the
best  yields may  subject the Portfolio  to substantial  price changes resulting
from market yield fluctuations. The market price of fixed-income securities such
as those purchased by  the Portfolio is affected  by changes in interest  rates,
generally.  The market value  of fixed-income securities  generally will fall as
interest rates rise, and rise as interest rates fall.
 
HIGH YIELD BOND PORTFOLIO
 
   
    The primary investment  objective of  the High  Yield Bond  Portfolio is  to
obtain  as high a level of current income  as is consistent with investment in a
portfolio  of  fixed-income  securities  rated   in  the  lower  categories   of
established  rating  services. As  a  secondary objective,  the  Portfolio seeks
capital appreciation when consistent with  its primary objective. The  Portfolio
pursues  its  investment  objectives  by  investing  primarily  in  fixed-income
securities, including corporate bonds and notes, convertible debt securities and
preferred stocks that are  rated in the lower  categories of established  rating
services  (Ba or lower by Moody's  and BB or lower by  Standard & Poor's), or in
unrated securities of comparable quality. Such securities are commonly known  as
"junk bonds."
    
 
   
    Securities rated Ba or lower by Moody's and BB or lower by Standard & Poor's
are  considered by those rating services  to have varying degrees of speculative
characteristics. Consequently, although they can  be expected to provide  higher
yields,  such securities may be subject  to greater market fluctuations and risk
of loss of income and  principal than lower-yielding, higher-rated  fixed-income
securities.  See  "Principal  Risk  Factors--Special  Considerations--High Yield
Bonds" for discussion of various risk factors relating to high yield bonds.  The
investment  adviser will not rely  solely on the ratings  assigned by the rating
services, and the Portfolio may invest, without limit, in unrated securities  if
such  securities offer, in  the opinion of the  investment adviser, a relatively
high yield without undue risk. Although  the Portfolio will invest primarily  in
lower-rated  securities, it  will not invest  in securities in  the lower rating
categories (Ca or  lower for  Moody's and  CC or  lower for  Standard &  Poor's)
unless  the  investment adviser  believes that  the  financial condition  of the
issuer or the protection afforded to the particular securities is stronger  than
would otherwise be indicated by such low ratings.
    
 
    The  Portfolio anticipates that under normal  circumstances more than 80% of
its assets will  be invested in  fixed-income securities, including  convertible
and  non-convertible debt securities and preferred  stock, and that at least 65%
of its assets will be invested in  debt securities. The remaining assets of  the
Portfolio  may be held in cash or investment-grade commercial paper, obligations
of banks and
 
                                       13
<PAGE>
savings institutions, U.S. Government  securities, government agency  securities
and  repurchase agreements.  The Portfolio does  not intend to  invest in common
stocks, rights  or other  equity securities,  but it  may acquire  or hold  such
securities  (if consistent with  its objectives) when they  are acquired in unit
offerings with  fixed-income  securities or  in  connection with  an  actual  or
proposed conversion or exchange of fixed-income securities.
 
    When  changing  economic  conditions  and  other  factors  cause  the  yield
difference between  lower-rated  and  higher-rated  securities  to  narrow,  the
Portfolio  may  purchase  higher-rated  securities  if  the  investment  adviser
believes that the  risk of  loss of income  and principal  may be  substantially
reduced  with  only a  relatively small  reduction in  yield. In  addition, when
warranted, in the  opinion of the  investment adviser, by  prevailing market  or
economic  conditions, the Portfolio for  temporary defensive purposes may invest
up to 100% of  its assets in investment-grade  commercial paper, obligations  of
banks  and savings  institutions, U.S. Government  securities, government agency
securities and repurchase agreements, or it may retain funds in cash. The  yield
on  such  securities may  be lower  than the  yield on  lower-rated fixed-income
securities.
 
    Because an investment  in high-yield securities  entails relatively  greater
risk  of loss of  income and principal,  an investment in  the Portfolio may not
constitute a complete  investment program  and may  not be  appropriate for  all
investors.
 
MANAGED PORTFOLIO
 
   
    The  investment objective  of the Managed  Portfolio is to  seek the highest
total investment  return  of  income and  capital  appreciation.  The  Portfolio
pursues  its objective through  a fully managed  investment policy consisting of
investment in the following three market  sectors: (i) growth common stocks  and
securities  convertible  or exchangeable  into  growth common  stocks, including
warrants and rights; (ii) high quality  debt securities and preferred stocks  of
the  type in  which the  High Grade  Bond Portfolio  may invest;  and (iii) high
quality short-term  money market  instruments of  the type  in which  the  Money
Market Portfolio may invest.
    
 
   
    The  Portfolio's investment policy for the  stock market sector is to invest
in those  securities that  appear to  the investment  adviser to  possess  above
average  potential for appreciation in market value,  usually as a result of the
issuer's relatively  favorable  prospects  for  improvement  in  earnings.  Such
securities  generally  include those  of companies  with established  records of
growth in sales or earnings, and companies with promising new products, services
or processes. The Portfolio's investment policies for the debt and money  market
sectors  are substantially identical  to those of the  High Grade Bond Portfolio
and Money Market Portfolio, respectively. The Managed Portfolio will, from  time
to  time,  adjust the  mix  of investments  among  the three  market  sectors to
capitalize  on  perceived  variations  in  return  potential  produced  by   the
interaction  of changing financial markets and economic conditions. There are no
restrictions as to the proportion of one  or another type of security which  the
Portfolio  may  hold. Accordingly,  the  Portfolio may,  at  any given  time, be
substantially invested in equity securities, in high quality debt securities, or
in high  quality  short-term money  market  instruments. Major  changes  in  the
investment  mix may occur over several years  or during a single year or shorter
period depending  upon  market  and  economic  conditions.  The  fact  that  the
investment  mix may be adjusted  from time to time  may result in high portfolio
turnover and, consequently, high brokerage charges to the Portfolio.
    
 
    Achievement of the Portfolio's objective depends on the investment adviser's
ability to assess the effect of economic and market trends on different  sectors
of the market.
 
                                       14
<PAGE>
MONEY MARKET PORTFOLIO
 
    The  investment objective of the Money Market Portfolio is to obtain maximum
current income  consistent  with  liquidity  and  stability  of  principal.  The
Portfolio  pursues its  objective by investing  in high  quality short-term debt
obligations denominated  in U.S.  dollars  that are  deemed to  present  minimal
credit risk.
 
    Money  market  instruments which  the  Money Market  Portfolio  may purchase
include U.S. Government securities, government agency securities, obligations of
banks and  savings institutions,  commercial  paper, short-term  corporate  debt
securities  and  repurchase  agreements.  Appendix A  contains  a  more detailed
description of the money market instruments  in which the Portfolio may  invest.
The  Portfolio's investments will  be limited to  money market instruments which
mature in  thirteen months  or less  from  the date  of purchase;  however,  the
Portfolio may invest in repurchase agreements in which the underlying securities
have  maturities in excess of  one year from the  date of purchase. In addition,
the Portfolio limits  its investments to  securities that meet  the quality  and
diversification  requirements of Rule  2a-7 under the  Investment Company Act of
1940 (the "Investment Company Act"). See Appendix A.
 
    The dollar-weighted average  maturity of  the Portfolio will  not exceed  90
days.  The Portfolio seeks to  maintain a constant net  asset value of $1.00 per
share, and will use the amortized cost method of securities valuation.  However,
there  can be no guarantee that the Portfolio  will be able to maintain a stable
net asset value of $1.00 per  share. See "Net Asset Value Information."  Because
of  the  short-term nature  of the  investments of  this Portfolio,  a portfolio
turnover rate is not applicable.
 
BLUE CHIP PORTFOLIO
 
    The investment objective of the Blue Chip Portfolio is growth of capital and
income. The Portfolio  pursues its  objective by investing  primarily in  common
stocks of well-capitalized, established companies.
 
    In   pursuing  its  objective,  the  Portfolio  will  invest  in  stocks  of
approximately 40 large, well-known companies that the Fund's investment  adviser
believes  to  collectively  comprise  a  representative  cross-section  of major
industries. Companies of this type are commonly referred to as "blue chip." Blue
chip companies  are generally  identified by  their substantial  capitalization,
established   history  of  earnings  and   superior  management  structure.  The
investment adviser will base its determination  of the companies to be  included
or retained in the Portfolio, not on the basis of any analysis of the companies'
underlying  economic or financial  fundamentals or of the  relative value of the
securities, but  rather  on  whether  the  companies  in  the  Portfolio,  taken
together,  reasonably represent a cross-section of major industries. The Adviser
anticipates that the Portfolio will purchase approximately equal dollar  amounts
of  shares of  each company.  However, the Portfolio  will not  own positions of
equal value in the various companies, partly because of price fluctuations after
purchases by the Portfolio.
 
    The Portfolio may, from time to time, have more than 5% of the value of  its
total  assets invested in each of one  or more particular companies. However, as
to 75% of the Portfolio's total assets, no more than 5% of the Portfolio's total
assets (at the  time of  purchase) will  be invested  in securities  of any  one
issuer  (other than the U.S. Government and its agencies and instrumentalities).
The concentration of a significant portion of  its assets in stocks of one or  a
few  companies (or in a relatively limited number of industries) may subject the
Portfolio to  increased  risk  of loss  if  those  stocks (or  stocks  in  those
industries) were to decline in value.
 
    The  Portfolio expects that it will  remain substantially invested in stocks
at all times. However, at most times the Portfolio will hold a small portion  of
its  assets (not to exceed 15% of its  total assets) in cash or cash equivalents
to accommodate redemptions and so as to avoid having to purchase stocks in small
quantities and thereby incur excessive  brokerage costs. Any such cash  balances
will be invested in high
 
                                       15
<PAGE>
quality  short-term  money market  instruments of  the type  in which  the Money
Market Portfolio may invest, or retained in cash. The Portfolio will not  engage
in the trading of securities for the purpose of realizing short-term profits.
 
- --------------------------------------------------------------------------------
PRINCIPAL RISK
FACTORS
- -----------------
 
GENERAL
 
    In  general, risk associated with the  investments of a particular Portfolio
can be  described in  terms of  current income  volatility, financial  risk  and
market  risk. Current income  volatility refers to the  degree and rapidity with
which changes  in overall  market interest  rates affect  the level  of  current
income.  Financial risk refers to the ability of an issuer of a debt security to
pay, on a timely basis, principal and interest on such security. With respect to
the issuer of an equity security, financial risk refers to its earning stability
and overall financial soundness. Market risk  for debt securities refers to  the
fact  that, as  a general  matter, the current  value of  debt securities varies
inversely with changes in prevailing interest rates; if interest rates rise, the
value of a debt security  will tend to fall.  Market risk for equity  securities
refers to overall stock market valuation levels.
 
   
    The  VALUE GROWTH PORTFOLIO and BLUE CHIP PORTFOLIO are likely to be subject
to moderate levels of both market and financial risk.
    
 
   
    The HIGH GRADE BOND PORTFOLIO is likely to be subject to moderate levels  of
market  risk  and relatively  low levels  of financial  risk and  current income
volatility.
    
 
   
    The HIGH YIELD BOND PORTFOLIO is likely to be subject to moderate levels  of
market  risk, relatively high levels of financial risk and relatively low levels
of current income volatility.
    
 
    The market  value  of fixed-income  securities  is affected  by  changes  in
general  market interest rates.  If interest rates decline,  the market value of
fixed-income securities tends to increase; while if interest rates increase, the
market  value  of  fixed-income  securities  tends  to  decrease.  Highly  rated
fixed-income  securities tend to have lower  interest rates and yields, and less
market  or  financial  risk,   than  do  lower-rated  fixed-income   securities.
Lower-rated and unrated securities generally have a greater degree of market and
financial  risk than higher-rated securities,  for reasons including the greater
possibility that issuers of lower-rated or unrated securities may not be able to
pay the principal and  interest when due, especially  during periods of  adverse
economic conditions.
 
    The  MANAGED PORTFOLIO  most likely  will be  subject to  moderate levels of
market  and  financial  risk  and  relatively  low  levels  of  current   income
volatility,  although current income volatility could be higher if the Portfolio
is heavily invested in short-term money market instruments.
 
    The MONEY MARKET PORTFOLIO should be  subject to little market or  financial
risk  because it  invests in  high quality  short-term investments  that reflect
current market interest rates. Although these types of securities generally  are
considered  to have low  financial risk, there is  some possibility that issuers
may fail to meet their principal and interest obligations on a timely basis. The
Portfolio could experience a high level of current income volatility because the
level of its current income directly reflects short-term interest rates.
 
                                       16
<PAGE>
SPECIAL CONSIDERATIONS--HIGH YIELD BONDS
 
   
    As  reflected  above, the  High  Yield Bond  Portfolio  intends to  invest a
substantial portion  of  its assets  in  fixed-income securities  offering  high
current  income. Additionally, subject to its specific investment objectives and
policies as described above, the High Grade Bond Portfolio may invest a  portion
of its assets in such securities. Such high yielding fixed-income securities are
ordinarily in the lower rating categories of Moody's or Standard & Poor's (Ba/BB
or  lower) or will be unrated  securities of comparable quality. Such securities
are commonly known  as "junk bonds."  These lower-rated fixed-income  securities
are  considered,  on  balance,  as  predominantly  speculative  with  respect to
capacity to pay interest and repay principal in accordance with the terms of the
obligation and will generally  involve more credit risk  than securities in  the
higher  rating categories. The market values  of such securities tend to reflect
individual corporate  developments  to a  greater  extent than  do  higher-rated
securities,  which  react  primarily to  fluctuations  in the  general  level of
interest rates. Such lower-rated  securities also tend to  be more sensitive  to
economic  conditions  than are  higher-rated  securities. Adverse  publicity and
investor perceptions, whether  or not based  on fundamental analysis,  regarding
lower-rated  bonds may depress prices and liquidity for such securities. Factors
adversely affecting the market value of high yielding securities will  adversely
affect  a  Portfolio's  net asset  value.  In  addition, a  Portfolio  may incur
additional expenses  to the  extent it  were required  to seek  recovery upon  a
default  in  the payment  of principal  or interest  on its  portfolio holdings.
Although  some  risk  is  inherent  in  all  securities  ownership,  holders  of
fixed-income  securities have a claim  on the assets of  the issuer prior to the
holders of common  stock. Therefore,  an investment  in fixed-income  securities
generally  entails less  risk than  an investment  in common  stock of  the same
issuer.
    
 
    The investment philosophy of the High  Yield Bond Portfolio with respect  to
high  yield bonds  is based  on the  premise that  over the  long-term a broadly
diversified portfolio of high yield fixed-income securities should, even  taking
into  account possible losses, provide a  higher net return than that achievable
on a portfolio of higher-rated securities.  The High Yield Bond Portfolio  seeks
to achieve the highest yields possible while reducing relative risks through:
 
    (a) broad diversification,
 
    (b)  credit analysis by the  investment adviser of the  issuers in which the
       Portfolio invests,
 
    (c) monitoring and seeking to anticipate  changes and trends in the  economy
       and   financial  markets  that  might  affect  the  prices  of  portfolio
       securities.
 
    The investment adviser's  judgment as  to the "reasonableness"  of the  risk
involved  in any particular investment  will be a function  of its experience in
managing fixed-income investments  and its  evaluation of  general economic  and
financial conditions of a specific issuer.
 
    In  some circumstances, defensive strategies  may be implemented to preserve
or enhance capital even at the sacrifice of current yield. Defensive strategies,
which may be used singly or in any combination, may include, but are not limited
to,  investments  in  discount  securities   or  investments  in  money   market
instruments.
 
    High  yielding securities may be issued  by corporations in the growth stage
of their development.  They may also  be issued in  connection with a  corporate
reorganization  or as  part of a  corporate takeover. Companies  that issue such
high yielding securities are often highly  leveraged and may not have  available
to  them more traditional  methods of financing.  Therefore, the risk associated
with acquiring the securities of such  issuers generally is greater than is  the
case with higher-rated securities. For example, during an economic downturn or a
sustained  period of  rising interest  rates, highly  leveraged issuers  of high
yielding securities may experience financial  stress. During such periods,  such
 
                                       17
<PAGE>
issuers  may  not  have  sufficient  revenues  to  meet  their  interest payment
obligations. The issuer's ability  to service its debt  obligations may also  be
adversely affected by specific corporate developments, or the issuer's inability
to   meet  specific  projected  business  forecasts  or  the  unavailability  of
additional financing.  The  risk  of  loss  due to  default  by  the  issuer  is
significantly  greater for the holders of  high yielding securities because such
securities are generally unsecured and are often subordinated to other creditors
of the issuer.
 
    High yielding  securities frequently  have call  or buy-back  features  that
would permit an issuer to call or repurchase the security from the Portfolio. If
a call were exercised by the issuer during a period of declining interest rates,
a  Portfolio would  likely have  to replace  such called  security with  a lower
yielding security, thus decreasing the  net investment income to the  Portfolio.
The  premature disposition  of a  high yielding  security because  of a  call or
buy-back feature,  the  deterioration  of the  issuer's  creditworthiness  or  a
default  may also make it more difficult for  a Portfolio to time its receipt of
income, which may have tax implications.
 
    A  Portfolio  may  have  difficulty  disposing  of  certain  high   yielding
securities  for which there  is a thin  trading market. Because  not all dealers
maintain markets in all high yielding securities, there is no established retail
secondary market for  many of these  securities, and the  Fund anticipates  that
they  could  be  sold only  to  a  limited number  of  dealers  or institutional
investors. To the extent there is  a secondary trading market for high  yielding
securities,  it is generally not so  liquid as that for higher-rated securities.
The lack of a liquid secondary market may have an adverse impact on market price
and a Portfolio's ability to dispose of particular issues when necessary to meet
the Portfolio's liquidity  needs, or in  response to a  specific economic  event
such  as a deterioration  in the creditworthiness  of the issuer.  The lack of a
liquid secondary market for certain securities  may also make it more  difficult
for  the Fund  to obtain  accurate market quotations  for purposes  of valuing a
Portfolio's assets. Market quotations are generally available on many high yield
issues only from a limited number  of dealers and may not necessarily  represent
firm bids of such dealers or prices for actual sales.
 
    It  is  likely that  a major  economic recession  could severely  affect the
market for and the values of high yielding securities, as well as the ability of
the issuers of such securities to repay principal and pay interest thereon.
 
    A Portfolio  may acquire  high  yielding securities  that are  sold  without
registration  under the federal securities laws and therefore carry restrictions
on resale.  While many  recent  high yielding  securities  have been  sold  with
registration  rights, covenants and penalty provisions for delayed registration,
if a  Portfolio  is required  to  sell  such restricted  securities  before  the
securities  have  been  registered, it  may  be  deemed an  underwriter  of such
securities as  defined in  the Securities  Act of  1933, which  entails  special
responsibilities  and  liabilities.  A  Portfolio  may  incur  special  costs in
disposing of such securities, but will generally incur no costs when the  issuer
is responsible for registering the securities.
 
    A   Portfolio  may  acquire  high  yielding  securities  during  an  initial
underwriting. Such securities involve special risks because they are new issues.
The Fund has no arrangement with  any person concerning the acquisition of  such
securities,  and the  investment adviser  will carefully  review the  credit and
other characteristics pertinent to such new issues.
 
    From time to  time, there have  been proposals for  legislation designed  to
limit  the use of certain high  yielding securities in connection with leveraged
buy-outs, mergers and acquisitions,  or to limit  the deductibility of  interest
payments on such securities. Such proposals if enacted into law could reduce the
market  for  such securities  generally, could  negatively affect  the financial
condition of issuers of high
 
                                       18
<PAGE>
yield securities by removing or reducing a source of future financing and  could
negatively  affect  the  value  of  specific  high  yield  issues.  However, the
likelihood of any such legislation or the effect thereof is uncertain.
 
    Zero coupon  securities and  pay in-kind  bonds involve  additional  special
obligations. Zero coupon securities are debt obligations that do not entitle the
holder  to any periodic payments of interest prior to maturity or to a specified
cash payment date when the securities  begin paying current interest (the  "cash
payment  date"), and therefore  are issued and  traded at a  discount from their
face amounts or par value. The discount varies depending upon the time remaining
until maturity or cash payment date, prevailing interest rates, liquidity of the
security and the perceived  credit quality of the  issuer. The discount,  absent
financial  difficulties of the  issuer, decreases as the  final maturity or cash
payment date  of the  security  approaches. The  market  prices of  zero  coupon
securities  are  generally  more  volatile than  those  of  securities  that pay
interest periodically,  and  they are  more  likely  to respond  to  changes  in
interest  rates than  non-zero coupon  securities having  similar maturities and
credit quality. The  credit risk  factors pertaining  to lower-rated  securities
generally  also apply  to lower-rated zero  coupon bonds and  pay in-kind bonds.
Such zero coupon, pay in-kind or delayed interest bonds carry an additional risk
in that, unlike  bonds that pay  interest throughout the  period to maturity,  a
Portfolio  will realize no cash until the  cash payment date unless a portion of
such securities is sold and, if the  issuer defaults, a Portfolio may obtain  no
return at all on its investment.
 
    Federal  income tax law requires the holder  of zero coupon securities or of
certain pay  in-kind bonds  (bonds that  pay interest  through the  issuance  of
additional bonds) to accrue income with respect to these securities prior to the
receipt  of  cash  payments.  To  maintain  its  qualification  as  a  regulated
investment company and avoid  liability for federal income  and excise taxes,  a
Portfolio  will be required  to distribute income accrued  with respect to these
securities and may have to dispose of portfolio securities under disadvantageous
circumstances  in  order  to  generate   cash  to  satisfy  these   distribution
requirements.
 
    Additional  information  concerning high  yielding securities  appears under
"Appendix C--Description of Corporate Bond Ratings."
 
- --------------------------------------------------------------------------------
                                                                  DESCRIPTION OF
                                                              CERTAIN INVESTMENT
                                                                      TECHNIQUES
                                                        ------------------------
 
    Except as otherwise  noted below,  the following  investment strategies  and
techniques may be used by all Portfolios.
 
FOREIGN SECURITIES
 
   
    The  Value Growth Portfolio and Managed Portfolio  each may invest up to 25%
of its net assets in equity and debt securities of foreign issuers, and the High
Grade Bond Portfolio and High Yield Bond Portfolio each may invest up to 25%  of
its net assets in debt securities of foreign issuers, to the extent the purchase
of  such  foreign  securities  is  otherwise  consistent  with  the  Portfolio's
investment objectives. Investments will be made only in foreign securities  that
are  publicly traded  in the  U.S. and payable  in U.S.  dollars. The investment
adviser will apply standards for evaluating the quality and risk of  investments
in  foreign securities comparable to those it applies to investments in domestic
securities while also  taking into consideration  the opportunities and  special
risks in connection with foreign securities.
    
 
                                       19
<PAGE>
   
    Investments  in  foreign  securities  can  provide  a  Portfolio  with  more
opportunities for attractive  returns, but  they may also  involve some  special
risks  such  as exposure  to potentially  adverse  local political  and economic
developments; nationalization and exchange controls; potentially lower liquidity
and  higher  volatility;   and  possible  problems   arising  from   accounting,
disclosure,   settlement,  and  regulatory  practices   that  differ  from  U.S.
standards. Fluctuations in exchange rates may affect the earning power and asset
value of the  foreign entity  issuing the security  and can  either increase  or
decrease   the  investment's  value.  Dividend  and  interest  payments  may  be
repatriated based upon the exchange rate at the time of disbursement or payment,
and restrictions on  capital flows may  be imposed. The  characteristics of  the
securities  in the Portfolios, such as the maturity and the type of issuer, will
affect yields and yield differentials, which vary over time.
    
 
WHEN-ISSUED OR DELAYED DELIVERY TRANSACTIONS
 
    From time  to  time,  in  the  ordinary course  of  business,  each  of  the
Portfolios may purchase newly-issued securities appropriate for the Portfolio on
a  "when-issued" basis and  may purchase or sell  securities appropriate for the
Portfolio on  a  "delayed  delivery"  basis.  When-issued  or  delayed  delivery
transactions  involve a commitment by a Portfolio to purchase or sell particular
securities with  payment and  delivery to  take place  at a  future date.  These
transactions  allow the  Portfolio to  lock in  an attractive  purchase price or
yield on a  security the  Portfolio intends to  purchase or  an attractive  sale
price  on a security the Portfolio  intends to sell. Normally, settlement occurs
within one month of the purchase or sale. During the period between purchase  or
sale  and settlement,  no payment is  made or  received by a  Portfolio and, for
delayed delivery purchases, no  interest accrues to  the Portfolio. A  Portfolio
will  only make commitments  to purchase securities on  a when-issued or delayed
delivery basis with the intention of  actually acquiring the securities, but  it
reserves  the right to sell such securities before the settlement date if deemed
advisable.
 
    At the time a  Portfolio makes the  commitment to purchase  a security on  a
when-issued  or  delayed  delivery basis,  it  will record  the  transaction and
reflect the amount  due and the  value of  the security in  determining its  net
asset  value. Likewise, at the  time a Portfolio makes  the commitment to sell a
security on a delayed delivery basis, it will record the transaction and include
the proceeds to be received in determining its net asset value; accordingly, any
fluctuations in the value  of the security sold  pursuant to a delayed  delivery
commitment  are ignored in calculating net asset value so long as the commitment
remains in  effect. The  market value  of the  when-issued or  delayed  delivery
securities at any time may be more or less than the purchase price to be paid or
the  sale price  to be  received at the  settlement date.  To the  extent that a
Portfolio engages in when-issued or delayed delivery transactions, it will do so
for the purpose of acquiring or selling portfolio securities consistent with the
Portfolio's investment  objectives  and policies  and  not for  the  purpose  of
investment leverage or to speculate on interest rate changes.
 
    The  investment adviser does not believe  that a Portfolio's net asset value
or income will be adversely affected overall by the purchase of securities on  a
when-issued   or  delayed  delivery  basis.  Each  Portfolio  will  establish  a
segregated account with the  Fund's custodian bank in  which the Portfolio  will
maintain cash or U.S. Government securities or other high-grade debt obligations
at  least equal in value to commitments  to purchase securities on a when-issued
or delayed delivery basis; subject to this requirement, a Portfolio may purchase
securities on a  when-issued or  delayed delivery  basis without  limit. To  the
extent  that assets of a Portfolio are held  in cash pending the settlement of a
purchase of securities, that Portfolio  would earn no income.  In the case of  a
commitment  to  sell  portfolio securities  on  a delayed  delivery  basis, each
Portfolio  will  instruct  the  custodian  to  hold  the  portfolio   securities
themselves in a segregated account while the commitment is outstanding.
 
                                       20
<PAGE>
LOANS OF PORTFOLIO SECURITIES
 
    Each Portfolio may, from time to time, lend securities (but not in excess of
20%  of  its  assets)  from  its Portfolio  to  brokers,  dealers  and financial
institutions, provided that: (i) the loan is secured continuously by  collateral
consisting  of U.S. Government securities, government agency securities, cash or
cash equivalents adjusted daily  to have a  market value at  least equal to  the
current  market value of  the securities loaned plus  accrued interest; (ii) the
Portfolio may at any time  call the loan and  regain the securities loaned;  and
(iii)  the investment adviser (under  the review of the  Board of Directors) has
reviewed  the   creditworthiness   of   the  borrower   and   has   found   such
creditworthiness  satisfactory.  The Portfolio  will  receive from  the borrower
amounts equal to the  dividends or interest paid  on the securities loaned,  and
will  also earn  income for having  made the  loan. Any cash  collateral will be
invested in  short-term securities,  the  income from  which will  increase  the
return to the Portfolio.
 
WRITING COVERED CALL OPTIONS
 
    Each  Portfolio (other  than the  Money Market  Portfolio) may  write (sell)
covered call options on portfolio securities representing up to 100% of its  net
assets  in an attempt to  enhance investment performance or  to reduce the risks
associated with investments. A call option gives the purchaser the right to buy,
and the writer the  obligation to sell, an  underlying security at a  particular
exercise  price during  the option period.  A Portfolio will  write call options
only on a covered basis, which means that the Portfolio will own the  underlying
security  subject to  the call  option at  all times  during the  option period.
Options written by a Portfolio will normally have expiration dates between three
and nine  months  from  the  date  written.  Such  options  and  the  securities
underlying  the options  must both be  listed on  national securities exchanges,
except that  debt securities  and related  options need  not be  so listed.  The
advantage  to a Portfolio of writing covered  call options is that the Portfolio
receives a premium which constitutes  additional income, which would serve  both
to  enhance investment performance and to offset in whole or in part any decline
in the  value of  the underlying  security. However,  the disadvantage  is  that
during  the option period the Portfolio would  give up the potential for capital
appreciation above the exercise price if the underlying security were to rise in
value; and  that,  unless  a  closing  purchase  transaction  is  effected,  the
Portfolio  will be required to continue to  hold the underlying security for the
entire option  period, and  would bear  the risk  of loss  if the  price of  the
securitiy were to decline.
 
INVESTMENT COMPANY SECURITIES
 
    Each  of the  Portfolios may invest,  subject to  the investment limitations
described below, in shares of other investment companies which seek to  maintain
a  $1.00 net asset value per share ("Money Market Funds"). The Portfolios intend
to invest available cash balances in  such Money Market Funds. In addition,  the
Portfolios  may  invest  in  such Money  Market  Funds  for  temporary defensive
purposes (for  example,  when FBL  believes  such  a position  is  warranted  by
uncertain  or unusual market  conditions, or when liquidity  is required to meet
unusually high redemption requests)  or for other purposes.  No more than 5%  of
the  value of a Portfolio's total assets will be invested in securities of Money
Market Funds.  In  addition,  a Portfolio  may  hold  no more  than  3%  of  the
outstanding  voting stock of any Money Market  Fund. As a shareholder of another
investment company, a Portfolio would  bear, along with other shareholders,  its
pro-rata portion of the Money Market Fund's expenses, including advisory fees.
 
REPURCHASE AGREEMENTS
 
    Each  Portfolio may enter  into repurchase agreements as  a means of earning
income for periods as short as overnight. A repurchase agreement is an agreement
under which the  Portfolio purchases a  security and the  seller agrees, at  the
time  of sale, to repurchase the security at a specified time and price, thereby
determining the  yield during  the  Portfolio's holding  period. That  yield  is
determined by current short-term rates and may be more or less than the interest
rate on the underlying security. The value of
 
                                       21
<PAGE>
the  underlying  securities is  marked  to market  daily.  If the  value  of the
underlying securities  declined, the  seller would  be required  to provide  the
Portfolio  with  additional  securities  so  that  the  aggregate  value  of the
underlying securities was at least equal to the repurchase price.
 
    The Portfolios may also  enter into a special  type of repurchase  agreement
known  as an  "open repurchase agreement."  An open  repurchase agreement varies
from the  typical  repurchase  agreement  in the  following  respects:  (1)  the
agreement  has no set maturity, but instead matures upon 24 hours' notice to the
seller; and (2) the repurchase price is not determined at the time the agreement
is entered into, but instead is based  on a variable interest rate and  duration
of the agreement.
 
    The  Portfolios  may enter  into repurchase  agreements  only with  banks or
securities dealers, and  the underlying  securities will  consist of  securities
issued   or   guaranteed   by   the  U.S.   Government   or   its   agencies  or
instrumentalities. If a seller  of a repurchase agreement  were to default,  the
Portfolio  might experience losses,  including delays and  expenses in enforcing
its rights. To minimize this risk,  the investment adviser (under the review  of
the Board of Directors) will review the creditworthiness of the seller, and must
find  such creditworthiness satisfactory  before a Portfolio  may enter into the
repurchase agreement.
 
    A Portfolio may  invest no more  than 10%  of its net  assets in  repurchase
agreements  maturing in more  than seven days, and  no more than  25% of its net
assets  in  repurchase  agreements  in  which  the  underlying  securities  have
maturities  in excess of one year, although  there is no limit on the percentage
of each Portfolio's assets  that may be invested  in repurchase agreements  that
mature in less than seven days and have underlying securities with maturities of
less  than one year.  Net assets are taken  at market value at  the time of each
purchase for purposes of the  foregoing limitations. Open repurchase  agreements
are considered to mature in one day.
 
- --------------------------------------------------------------------------------
HOW TO
BUY
SHARES
- ---------
 
   
    Shares  of the Fund's various  Portfolios are sold on  a continuing basis at
their net asset  value next determined  after a purchase  order and payment  are
received  in proper form  as described below.  The Fund is  open for business on
each day the New  York Stock Exchange  is open for  trading (except the  Tuesday
before Christmas and the day after Thanksgiving). The Fund reserves the right to
reject any purchase order and to change the minimum purchase requirements at any
time.
    
 
INITIAL PURCHASE
 
    The  minimum initial  purchase is $250,  except there is  no minimum initial
investment for retirement accounts and  accounts opened under bona fide  payroll
deduction  plans.  There  is no  initial  sales  charge. An  Application  may be
obtained either  from  the Fund  or  from  a registered  representative  of  FBL
Marketing Services, Inc.
 
    Complete  the  Application  and  mail  it with  your  check  payable  to the
appropriate Portfolio of the Fund to: FBL Series Fund, Inc., 3820 109th  Street,
Des Moines, Iowa 50391-7003.
 
SUBSEQUENT PURCHASES
 
    Send  the Fund a check (no minimum)  payable to the appropriate Portfolio of
the Fund accompanied by a letter indicating the dollar value of the shares to be
purchased and  identifying  the Portfolio,  the  account number  and  registered
owner(s).
 
                                       22
<PAGE>
PURCHASES BY WIRE (MONEY MARKET PORTFOLIO ONLY)
 
    Purchases  may be made  in the Money  Market Portfolio by  wire transfer. If
making an initial purchase, call the  toll free number (800) 247-4170 (in  Iowa,
call  toll  free (800)  422-3175 or  in  the Des  Moines metropolitan  area call
225-5586) to obtain a Money Market Portfolio Account Number and provide the Fund
with your name, address and social security or tax identification number.  Then,
simply  instruct your bank  to "wire transfer" funds  to: BANKERS TRUST COMPANY,
ABA #021001033, DDA ACCOUNT #00220695 MONEY MARKET PORTFOLIO OF FBL SERIES FUND,
INC., FOR  FURTHER  CREDIT TO  YOUR  ACCOUNT REGISTRATION  AND  ACCOUNT  NUMBER.
Finally,  if making an initial purchase, complete  an Application and mail it to
the Fund at the address listed under "Initial Purchase" above.
 
- --------------------------------------------------------------------------------
                                                                          HOW TO
                                                                          REDEEM
                                                                          SHARES
                                                                       ---------
 
    Upon receipt of an executed redemption request in proper form, as  described
below,  the Fund will  redeem shares of  a Portfolio at  the next determined net
asset value. Proceeds payable upon redemption  will be reduced by the amount  of
any  applicable  contingent  deferred  sales charge.  The  Fund  intends  to pay
redemption proceeds  within  one  business  day after  receipt  of  an  executed
redemption  request in proper form.  If shares to be  redeemed were purchased by
check, the Fund may  delay transmittal of redemption  proceeds until such  time,
normally  not more than 15  calendar days after the  redemption request, that it
has assured itself that good payment has been collected for the purchase of such
shares.
 
    The  Adviser  employs  procedures  designed  to  confirm  that  instructions
communicated  by telephone are genuine,  including requiring certain identifying
information  prior  to  acting   upon  instructions,  recording  all   telephone
instructions  and sending written  confirmations of instructions.  To the extent
such procedures are  reasonably designed to  prevent unauthorized or  fraudulent
instructions  neither the Adviser  nor the Fund  would be liable  for any losses
from unauthorized or fraudulent instructions.
 
    Redemptions can be requested by writing to the Fund, 3820 109th Street,  Des
Moines, Iowa 50391-7003 and requesting redemption of either the number or dollar
value  of shares  of a  specified Portfolio. Any  certificates for  shares to be
redeemed must be included, duly endorsed. The letter (and certificates, if  any)
must be signed exactly as the account is registered. On a jointly owned account,
all  owners must  sign. SIGNATURES  OF ACCOUNT  OWNERS MUST  BE GUARANTEED  BY A
COMMERCIAL BANK, TRUST  COMPANY, MEMBER OF  A STOCK EXCHANGE,  SAVINGS AND  LOAN
ASSOCIATION  OR  SAVINGS  BANK,  OTHER  ELIGIBLE  FINANCIAL  INSTITUTION,  OR  A
REGISTERED REPRESENTATIVE  OF FBL  MARKETING SERVICES,  INC. OR  FBL  INVESTMENT
ADVISORY SERVICES, INC., and shall include such other documentation of authority
as  the  Fund deems  necessary in  the case  of estates,  trusts, guardianships,
corporations, unincorporated associations and pension and profit sharing  plans.
THE FUND CANNOT ACCEPT GUARANTEES FROM NOTARIES PUBLIC.
 
    EXPEDITED REDEMPTION PROCEDURES (MONEY MARKET PORTFOLIO ONLY).  Shareholders
may  redeem shares of the  Money Market Portfolio by  telephone. The proceeds of
shares so redeemed (less any contingent  deferred sales charge) will be sent  by
Federal  wire  transfer  to  a  single  designated  account  maintained  by  the
shareholder at  a domestic  commercial bank  that  is a  member of  the  Federal
Reserve  System. To effect a  redemption, a shareholder should  call the Fund at
the appropriate number shown on the cover of the Prospectus between the hours of
8:00 a.m. and  4:30 p.m. (Central  Time) on any  day when the  Fund is open  for
business. Requests received by the Fund prior to the earlier of the close of the
 
                                       23
<PAGE>
New  York Stock Exchange or 3:00 p.m. (Central Time) will result in shares being
redeemed that day at the next determined net asset value, and the proceeds  will
normally  be sent to the designated bank account the following business day. The
minimum amount that  may be wired  is $10,000.  The Fund reserves  the right  to
change  this  minimum  or  to  terminate  the  wire  redemption  privilege.  All
applications for telephone redemption service must have signatures guaranteed by
a commercial bank, trust company, member  of a stock exchange, savings and  loan
association  or savings bank, other eligible financial institution, a registered
representative of  FBL  Marketing  Services, Inc.  or  FBL  Investment  Advisory
Services,  Inc. and shall  include such other documentation  of authority as the
Fund  deems  necessary   in  the   case  of   estates,  trusts,   guardianships,
corporations,  unincorporated associations and pension and profit sharing plans.
A shareholder  wishing  to use  this  method  of redemption  must  complete  the
appropriate  portions of the Application  and it must be  on file with the Fund.
Once the form is on file, the Fund will honor redemption requests by any  person
by  telephone (using the toll free numbers  listed on the cover page), telegraph
or other method without a signature guarantee from the shareholder or any  other
person.  The Fund  is not  responsible for  the efficiency  of the  federal wire
system or the shareholder's  bank. To change the  name of the single  designated
bank  account to  receive wire  redemption proceeds, it  is necessary  to send a
written request  with signatures  guaranteed  to the  Fund.  The Fund  does  not
currently  charge for wiring funds, although the shareholder will be responsible
for any wire fees charged by the receiving bank. This procedure is not available
for Retirement Accounts or shares for which certificates have been issued.
 
    Shareholders may not  use expedited redemption  procedures until the  shares
being redeemed have been on the Fund's books for at least four days. There is no
such delay in redeeming shares that were purchased by wiring Federal Funds.
 
    CONTINGENT  DEFERRED SALES  CHARGE.  A  contingent deferred  sales charge is
imposed on that  amount by  which a  redemption causes  the current  value of  a
Portfolio  account to fall  below the total  dollar amount of  purchases of that
Portfolio's shares made during the preceding six years (reinvested dividends are
not  considered  purchases  for  this  purpose).  The  charge  is  imposed  upon
redemptions of shares in accordance with the following schedule:
 
<TABLE>
<CAPTION>
                      YEAR OF                            CONTINGENT
                    REDEMPTION                         DEFERRED SALES
                  AFTER PURCHASE                           CHARGE
- ---------------------------------------------------  -------------------
<S>                                                  <C>
    First..........................................              5%
    Second.........................................              4%
    Third..........................................              4%
    Fourth.........................................              3%
    Fifth..........................................              2%
    Sixth..........................................              1%
    Seventh and following..........................              0%
</TABLE>
 
    The  following  example  will  illustrate the  operation  of  the contingent
deferred  sales  charge.  Assume  that  an  investor  purchases  $10,000  of   a
Portfolio's  shares and that 30 months later  the value of the account has grown
through investment performance  and reinvestment  of dividends  to $14,000.  The
investor  then may redeem up to $4,000 ($14,000 minus $10,000) without incurring
a contingent deferred  sales charge.  If the  investor should  redeem $5,000,  a
contingent  deferred sales charge would be  imposed on $1,000 of the redemption.
The charge would  be imposed  at the  rate of  4% ($40)  because the  redemption
occurred  in  the  third  year  after the  purchase.  In  determining  whether a
contingent deferred sales charge is payable,  it is assumed that the  redemption
is made from the earliest purchase of shares.
 
                                       24
<PAGE>
    The  contingent deferred  sales charge  will be waived  in the  event of the
death of the shareholder (including a  registered joint owner), with respect  to
redemptions  in connection  with distributions from  a 401(m),  401(k) or 457(k)
plan, or with respect to withdrawals under the Fund's periodic withdrawal  plan.
FBL  Investment Advisory  Services, Inc.,  the Fund's  Distributor, receives any
contingent deferred sales charge directly.
 
    INVOLUNTARY REDEMPTIONS.    Due  to  the  high  cost  of  maintaining  small
accounts,  the Fund reserves the right to  redeem a Portfolio account that falls
below $250 as a  result of redemptions. Prior  to effecting such an  involuntary
redemption, shareholders will be notified in writing and will be allowed 60 days
to  make additional purchases  to bring the  account up to  the Portfolio's $250
minimum investment  requirement. Any  such involuntary  redemption will  not  be
subject to a contingent deferred sales charge.
 
    REDEMPTIONS  IN-KIND.  If the Board of Directors determines that it would be
detrimental to the best interests of  the remaining shareholders of a  Portfolio
to  make payment wholly or partly in cash, the Fund may pay the redemption price
in whole  or in  part by  the distribution  in-kind of  securities held  by  the
applicable  Portfolio in lieu of cash in conformity with applicable rules of the
Securities and Exchange Commission. Investors may incur brokerage charges on the
sale of  securities so  received in  payment of  redemption. A  redemption  paid
in-kind  is treated as  a sale for  federal income tax  purposes even though the
shareholder may have received no  cash. The Fund has  elected to be governed  by
Rule  18f-1  under the  Investment Company  Act  pursuant to  which the  Fund is
obligated to redeem  shares solely in  cash up to  the lesser of  $250,000 or  1
percent  of the net asset value of a  Portfolio during any 90-day period for any
one shareholder of record.
 
- --------------------------------------------------------------------------------
                                                                           OTHER
                                                                     SHAREHOLDER
                                                                        SERVICES
                                                                ----------------
 
    The Fund  offers a  number of  shareholder services  designed to  facilitate
investment in shares of its Portfolios. Full details as to each of such services
and copies of the various plans described below can be obtained from the Fund.
 
PERIODIC WITHDRAWAL PLAN
 
    A  shareholder who owns in a single  account $5,000 or more of a Portfolio's
shares may establish a Periodic Withdrawal Plan to provide for regular  monthly,
quarterly  or annual payments of  a fixed dollar amount  or fixed percent of the
account balance (with a minimum $100  annual payment and a maximum  withdrawable
amount  of 10% annually  of the shareholder's initial  account balance under the
plan) to be sent to the shareholder or a designated payee. Shares of a Portfolio
held in the shareholder's account having a net asset value of the amount of  the
requested  payment will be redeemed  on or around the  fifth business day before
the end of the applicable  month and a check will  be mailed to the  shareholder
within  seven days thereafter. Depending upon the size of the payments requested
and fluctuations in the net asset value of the shares redeemed, redemptions  for
the  purpose of making such payments may reduce or even exhaust the account. FBL
will waive the contingent deferred sales charge on redemptions made pursuant  to
a  periodic  withdrawal program.  The right  is reserved  to amend  the periodic
withdrawal program on thirty days' notice. The program may be terminated at  any
time by the shareholder or the Fund.
 
                                       25
<PAGE>
AUTOMATIC INVESTMENT PLAN:
 
   
    A  shareholder may elect  to participate in  the Fund's automatic investment
plan. This plan enables  a shareholder to automatically  purchase shares of  the
Fund  on a  monthly basis.  A minimum  initial investment  of $50  per Portfolio
account is required to establish  an automatic investment plan. Minimum  monthly
investments of $25 per Portfolio account are necessary to maintain the plan. The
Fund will debit the shareholder's financial institution account and subsequently
purchase  shares of  the Fund  having a  net asset  value of  the amount  of the
requested deposit  on  or  around  the  16th  day  of  the  month.  Shareholders
interested  in this  plan must complete  an automatic  investment form available
from the Fund.
    
 
EXCHANGE PRIVILEGE
 
    A shareholder may exchange all or some  shares of a Portfolio for shares  of
any  other Portfolio in the Fund, if  that Portfolio's shares are registered for
sale in the shareholder's state of  residence, on the basis of each  Portfolio's
relative  net  asset value  per share  next determined  following receipt  of an
exchange request in proper form. There is no minimum amount required to exercise
the exchange privilege between Portfolios,  except that shareholders wishing  to
open  an account in a new Portfolio  must meet the minimum purchase requirements
described under "How to Buy Shares." If the exchange involves the  establishment
of  a new account, an application for  that account must be completed and mailed
to the  Fund. Shares  may be  exchanged without  any contingent  deferred  sales
charge  but will be  subject to a  $5.00 exchange fee.  Amounts exchanged retain
their original cost and  purchase date for purposes  of the contingent  deferred
sales  charge.  If shares  of  the Portfolio  being  exchanged were  acquired at
different times, the shares  of the Portfolio acquired  in the exchange will  be
deemed  to possess  the same  holding period  (or exempt  status) for contingent
deferred sales charge purposes  as the shares being  exchanged. Exercise of  the
exchange  privilege is treated  as a sale  for federal income  tax purposes and,
depending on the circumstances, a  capital gain or loss  may be realized by  the
shareholder. Shareholders are automatically provided the exchange privilege upon
establishment  of an account  with the Fund. Shareholders  not interested in the
exchange privilege  must  check the  appropriate  box on  the  Application.  The
exchange  privilege may  be provided  after an  account has  been established by
completing an exchange form (obtainable from  the Fund). Once the privilege  has
been  afforded  a  shareholder, exchanges  may  be authorized  by  telephone (by
calling one of the numbers shown on the front cover, from 8:00 a.m. to 4:30 p.m.
(Central Time) on any day that the Fund  is open for business) or by letter  (by
writing  the Fund at 3820 109th  Street, Des Moines, Iowa 50391-7003). Telephone
exchange requests received  prior to the  close of the  New York Stock  Exchange
(usually  3:00 p.m., Central Time)  will be effected at  that day's relative net
asset values.
 
    Shares of FBL Money  Market Fund, Inc.  may be exchanged  for shares of  any
Portfolio  of  the Fund  without  imposition of  an  exchange fee.  The exchange
privilege may be modified  or terminated by  the Fund at  any time. An  exchange
application must be on file with FBL Money Market Fund, Inc.
 
RETIREMENT PLANS
 
    Eligible  shareholders of the Fund may participate in a variety of qualified
retirement plans which  are available from  the Distributor. Some  of the  plans
currently  offered are: Self-Employed Individual Retirement Plans (Keogh Plans),
Individual Retirement Accounts (IRAs), Simplified Employee Pension Plans (SEPs),
Tax-Sheltered 403(b)  Plans,  Corporate Pension  and  Profit Sharing  Plans  and
Public Employer Deferred Compensation Plans. The initial investment to establish
any such plan, and subsequent investments, may be in any amount (subject to plan
limitations).  Investors  Fiduciary  Trust  Company  ("IFTC")  of  Kansas  City,
Missouri serves as custodian and provides the required services for Keogh Plans,
IRAs, SEPs and  Corporate Pension  and Profit  Sharing plans.  A custodial  fee,
currently $10.00, will
 
                                       26
<PAGE>
be  collected annually  by liquidating shares,  or fractions  thereof, from each
participant's account(s). FBL Investment  Advisory Services, Inc. performs  plan
services  for IFTC for a  portion of the fee.  Information with respect to these
plans is available upon request from the Fund.
 
    Trustees of qualified retirement plans and 403(b)(7) custodial accounts  are
required  by law to withhold 20% of the taxable portion of any distribution that
is eligible to be "rolled over." The 20% withholding requirement does not  apply
to  distributions from IRAs or  any part of a  distribution which is transferred
directly to  another  qualified  retirement  plan,  403(b)(7)  account  or  IRA.
Shareholders  should consult their  tax advisers regarding  this 20% withholding
requirement.
 
- --------------------------------------------------------------------------------
                                                                       NET ASSET
                                                                           VALUE
                                                                     INFORMATION
                                                                 ---------------
 
   
    The net asset  value per share  of each  Portfolio is determined  as of  the
earlier  of 3:00 P.M. (Central Time) or the close of the New York Stock Exchange
on each day that the Exchange is  open (except the Tuesday before Christmas  and
the  day after Thanksgiving), and on each other day on which there is sufficient
trading in the Portfolio's investments that it might affect the net asset value,
except that the net asset value of a  given Portfolio will not be computed on  a
day  when no orders  for purchase or  redemption of shares  of the Portfolio are
received. If the Fund offices should  be closed because of a weather-related  or
comparable  type of emergency,  and the Fund  is unable to  segregate orders and
redemption requests received  on the emergency  closed day, then  the Fund  will
price  those orders and redemptions at the  net asset value next determined. The
net asset value per share  of each Portfolio is  computed by dividing the  total
value  of the Portfolio's securities and  other assets, less liabilities, by the
total number of  outstanding shares  of such  Portfolio. The  Fund reserves  the
right  to calculate or  estimate the net  asset value of  one or more Portfolios
more frequently than once daily if deemed desirable.
    
 
    MONEY MARKET PORTFOLIO.  The net asset  value per share of the Money  Market
Portfolio  is  ordinarily $1.00.  The  Money Market  Portfolio's  securities are
valued using the  amortized cost method  of valuation. This  involves valuing  a
security  at cost on the date of  acquisition and thereafter assuming a constant
accretion of a discount or amortization of a premium to maturity. For a  further
discussion  of the manner in which such values are determined, see the Statement
of Additional Information under the heading "Net Asset Value."
 
    OTHER PORTFOLIOS.  For all Portfolios other than the Money Market Portfolio,
Portfolio securities that are  traded on a national  exchange are valued at  the
last  sale price as of the close of business on the day the securities are being
valued, or, lacking any  sales, at the  mean between the  closing bid and  asked
prices.   Securities  other  than   money  market  instruments   traded  in  the
over-the-counter market are valued at the mean between the bid and asked  prices
or  at  the yield  equivalent as  obtained from  one or  more dealers  that make
markets in the  securities. Portfolio  securities that  are traded  both in  the
over-the-counter  market and on a national  exchange are valued according to the
broadest and  most representative  market; and  it is  expected that,  for  debt
securities,  this  ordinarily will  be  the over-the-counter  market.  Values of
securities and assets for which market quotations are not readily available  are
determined  in good faith by  or under the direction  of the Board of Directors.
Money  market  instruments  are  valued  at  market  value,  except  that   debt
instruments  maturing in  60 days  or less are  valued using  the amortized cost
method of valuation described above with respect to the Money Market Portfolio.
 
                                       27
<PAGE>
- --------------------------------------------------------------------------------
PERFORMANCE
INFORMATION
- -----------------
 
    From time  to time,  the Fund  may advertise  several types  of  performance
information  for a Portfolio. All Portfolios, except the Money Market Portfolio,
may advertise "average annual total return"  and "total return." The High  Grade
Bond and High Yield Bond Portfolios may also advertise "yield." The Money Market
Portfolio  may advertise "yield" and "effective yield." Each of these figures is
based upon  historical results  and  is not  necessarily representative  of  the
future performance of a Portfolio.
 
    Average  annual total return  and total return figures  measure both the net
income generated by, and the effect of any realized and unrealized  appreciation
or  depreciation  of,  the  underlying  investments  in  the  Portfolio  for the
designated period, assuming the reinvestment of all dividends and  distributions
during  the  period. Thus,  these  figures reflect  the  change in  value  of an
investment in  the Portfolio  during a  specified period.  Average annual  total
return will be quoted for at least one-, five- and ten-year periods (or, if such
periods  have not yet elapsed,  at the end of  a shorter period corresponding to
the life of the  Portfolio). Average annual total  return figures represent  the
average  annual  percentage change  in  the value  of  a specific  dollar amount
invested in  the Portfolio's  shares  for the  designated period.  Total  return
figures  are not  annualized and  represent the  aggregate percentage  or dollar
value change over the period.
 
    Yield is a  measure of the  net investment  income per share  earned over  a
specific  one-month  or 30-day  period (seven-day  period  for the  Money Market
Portfolio) expressed as  a percentage  of the  Portfolio's net  asset value  per
share  at the end of the period (except for the Money Market Portfolio where the
net asset value per share at the beginning  of the period is used). Yield is  an
annualized  figure which means  that it is assumed  that the Portfolio generates
the same level of investment income over a one-year period. The effective  yield
for  the Money Market Portfolio is  calculated similarly, but the net investment
income earned is  assumed to  be compounded  when annualized.  The Money  Market
Portfolio's  effective yield will be slightly higher  than its yield due to this
compounding. Semi-annual compounding  is assumed for  Portfolios other than  the
Money Market Portfolio.
 
    From  time  to  time, the  Fund  may  include in  its  sales  literature and
shareholder reports for  the High Grade  Bond and High  Yield Bond Portfolios  a
quotation   of  the  current   "distribution  rate"  for   the  Portfolios.  The
distribution rate is  simply a  measure of the  level of  income and  short-term
capital  gain  dividends distributed  for a  specified  period. It  differs from
yield, which  is a  measure of  the income  actually earned  by the  Portfolio's
investments  and from total  return, which is  a measure of  the income actually
earned by,  plus  the effect  of  any  realized or  unrealized  appreciation  or
depreciation   of,  such  investments  during  the  period.  Distribution  rate,
therefore, is not intended to be a complete measure of performance. Distribution
rate may sometimes  be greater than  yield since, for  instance, it may  include
short-term   gains  (which  may  be  non-recurring)  and  may  not  reflect  the
amortization of bond premiums.
 
    Additionally,  from  time   to  time,  in   advertisements  or  reports   to
shareholders,  a Portfolio may  compare its performance to  that of the Consumer
Price Index  or various  unmanaged  indexes such  as  the Dow  Jones  Industrial
Average, the Standard & Poor's 500, the Shearson/Lehman Government and Corporate
Bond  Index and the Salomon Brothers High Grade Bond Index. A Portfolio may also
use mutual fund quotation services such as Lipper Analytical Services, Inc.,  an
independent  mutual fund  reporting service,  or similar  industry services, for
purposes of  comparing a  Portfolio's rank  or performance  with that  of  other
mutual  funds  having  similar  investment  objectives.  Performance comparisons
should not  be  considered  representative  of the  future  performance  of  any
Portfolio.
 
                                       28
<PAGE>
    The Portfolio's shares are sold at net asset value, and return and net asset
value will fluctuate, except that the Money Market Portfolio seeks to maintain a
$1.00  net asset value per  share. Shares of the  Portfolio are redeemable by an
investor at the then  current net asset  value, which may be  more or less  than
original  cost. Yield and effective  yield figures do not  include the effect of
any contingent  deferred sales  charge. The  standardized average  annual  total
return  figures,  calculated  in accordance  with  a formula  prescribed  by the
Securities and  Exchange  Commission,  include  the  effect  of  the  contingent
deferred sales charge that may be imposed at the end of the period indicated. In
addition,  average annual total return figures,  which do not include the effect
of any contingent deferred sales charge, may also be used. Total return  figures
may  or may not include the effect  of the contingent deferred sales charge that
may be imposed at  the end of  the period in  question. Performance figures  not
including the effect of the applicable contingent deferred sales charge would be
reduced  if  it were  included. More  information  about performance  figures is
included in the Statement of Additional information.
 
- --------------------------------------------------------------------------------
                                                                      MANAGEMENT
                                                                     OF THE FUND
                                                                 ---------------
 
BOARD OF DIRECTORS
 
    The Board of Directors  has nine members, five  of whom are not  "interested
persons"  of the  Fund as defined  in the  Investment Company Act.  The Board of
Directors is responsible for  the overall supervision of  the operations of  the
Fund  and performs  the various  duties imposed  on the  directors of investment
companies by the Investment Company Act. The Board of Directors elects  officers
of the Fund annually.
 
INVESTMENT ADVISER
 
   
    FBL  Investment Advisory  Services, Inc.,  5400 University  Avenue, West Des
Moines, Iowa  50266, serves  as the  Fund's investment  adviser pursuant  to  an
Investment  Advisory  and  Management  Services  Agreement.  The  Adviser  is an
indirect subsidiary  of FBL  Financial  Group, Inc.,  an Iowa  corporation.  The
following  individuals are officers and/or directors of both the Adviser and the
Fund: Stephen M. Morain, Thomas R. Gibson, Timothy J. Hoffman, Dennis M. Marker,
James W. Noyce,  William J.  Oddy, Richard D.  Warming, Sue  A. Cornick,  Kristi
Rojohn and Elaine A. Followwill. FBL has served as the Fund's investment adviser
since  the  Fund commenced  operations  in 1971.  The  Adviser also  acts  as an
investment  adviser  to  individuals,  institutions  and  two  other  investment
companies:  FBL Money Market Fund, Inc.  and FBL Variable Insurance Series Fund.
Personnel of the Adviser also manage investments for the portfolios of insurance
companies.
    
 
   
    The Adviser handles the  investment and reinvestment  of the Fund's  assets,
and  is responsible for  the overall management of  the Fund's business affairs,
subject to the review of  the Board of Directors. Roger  F. Grefe and Robert  J.
Rummelhart  serve  as managers  for various  portfolios of  the Fund.  Mr. Grefe
joined FBL in 1986 and assumed responsibility for the management of Farm  Bureau
Growth  Fund, Inc., currently known as the Value Growth Portfolio. Additionally,
he assumed management  of the Managed  Portfolio at its  inception in 1987.  Mr.
Grefe  is a  graduate of Coe  College in Cedar  Rapids, Iowa and  is a Chartered
Financial Analyst and NASD Registered Principal.
    
 
    Mr. Rummelhart has  managed both  the High Grade  Bond and  High Yield  Bond
Portfolios  since their inception  in 1987. He  received his BA  and MBA degrees
from the  University of  Iowa and  is  a Chartered  Financial Analyst  and  NASD
Registered Representative.
 
                                       29
<PAGE>
    The  Adviser  provides investment  supervision  to the  Blue  Chip Portfolio
through the use of a team approach. As cash accumulates for investment,  trading
personnel  are  notified  to  execute the  necessary  transactions  in  order to
maintain the relative weights of the equity securities in this Portfolio.
 
    As compensation for  the advisory  and management services  provided by  the
Adviser,  the  Fund has  agreed to  pay  the Adviser  an annual  management fee,
accrued daily and payable monthly, based on an annual percentage of the  average
daily net assets of each Portfolio, as follows:
 
   
<TABLE>
<CAPTION>
                                                                         AVERAGE DAILY NET ASSETS
                                                                   -------------------------------------
                                                                      FIRST       SECOND        OVER
                                                                      $200         $200         $400
PORTFOLIO                                                            MILLION      MILLION      MILLION
- -----------------------------------------------------------------  -----------  -----------  -----------
<S>                                                                <C>          <C>          <C>
Value Growth.....................................................        0.50%        0.45%        0.40%
High Grade Bond..................................................        0.40%        0.35%        0.30%
High Yield Bond..................................................        0.55%        0.50%        0.45%
Managed..........................................................        0.60%        0.55%        0.50%
Money Market.....................................................        0.40%        0.35%        0.30%
Blue Chip........................................................        0.25%        0.25%        0.25%
</TABLE>
    
 
   
    The  Adviser,  at its  expense,  furnishes the  Fund  with office  space and
facilities, certain  business  equipment,  advisory,  research  and  statistical
facilities,  and  clerical services  and  personnel to  administer  the business
affairs of the Fund. The Fund pays its other expenses which include, but are not
limited to, the following: the cost  of net asset value calculations;  portfolio
transaction   costs;  interest  on   Fund  obligations;  miscellaneous  reports;
membership  dues;  reports  and  notices   to  shareholders;  all  expenses   of
registration  of its  shares under federal  and state  securities laws; investor
services (including allocable telephone and  personnel expenses); all taxes  and
fees  payable to federal, state or  other governmental authorities; and the fees
and expenses  of independent  auditors,  legal counsel,  custodian,  shareholder
service,  transfer and dividend disbursing agent. For its services as investment
adviser and manager and for facilities  furnished to the Fund during the  fiscal
year  ending July 31, 1996  the Adviser received management  fees of .50% of the
average daily net  assets of  the Value Growth  Portfolio, .40%  of the  average
daily net assets of the High Grade Bond Portfolio, .55% of the average daily net
assets of the High Yield Bond Portfolio, .60% of the average daily net assets of
the  Managed Portfolio, .40% of the average daily net assets of the Money Market
Portfolio and .25% of the average daily net assets of the Blue Chip Portfolio.
    
 
    The Adviser has  agreed to reimburse  any Portfolio to  the extent that  the
annual  operating expenses (including the  investment advisory fee but excluding
brokerage, interest, taxes, the distribution fee and extraordinary expenses)  of
such Portfolio exceed 1 1/2% of average daily net assets. The amount reimbursed,
however,  shall not exceed the amount of  the advisory fee paid by the Portfolio
for such period.
 
- --------------------------------------------------------------------------------
PORTFOLIO
TRANSACTIONS
- -----------------
 
    With respect  to transactions  in portfolio  securities, whether  through  a
broker  as agent or with a dealer  as principal, the Adviser endeavors to obtain
for the  Fund the  most  favorable prices  and  efficient execution  of  orders.
Subject  to this primary consideration, the Adviser places substantially all the
Fund's portfolio transactions  with brokerage  firms that  furnish research  and
other  services to  the Fund.  These services include,  but are  not limited to,
advice  as   to   the   advisability   of   purchasing   or   selling   specific
 
                                       30
<PAGE>
securities,  furnishing  of analyses  and  reports on  particular  securities or
industries, providing  information on  economic  factors and  trends,  providing
computer  software  used in  security  analyses and  providing  technical market
analyses. Certain  affiliates  and  other  clients of  the  Adviser  also  place
portfolio  transactions  with these  brokerage  firms, and  such  affiliates and
clients share the  benefits of  the research  and other  services obtained  from
these  brokers. The  Adviser regards  information that  is customarily available
only in return  for brokerage as  among the  many elements to  be considered  in
arriving  at investment decisions. No specific  value can be determined for most
such information and services and they are deemed supplemental to the  Adviser's
own  efforts  in the  performance of  its duties  under the  Investment Advisory
Agreement. Any research benefits derived are available for all clients.
 
    The investment decisions for the  Fund are reached independently from  those
for  the other funds and accounts managed  by the Adviser. At certain times, one
or more Portfolios  of the Fund  may purchase identical  securities at the  same
time  as the  other funds  and accounts  managed by  the Adviser.  When multiple
accounts  and/or  funds  have  assets  available  for  investment  in  the  same
securities,  available  investments  are  allocated as  to  amount  in  a manner
considered equitable to each. In some cases, this procedure may affect the  size
or price of the position obtainable for the Fund. It is the opinion of the Board
of  Directors  that  the  benefits  to  the  Fund  arising  out  of simultaneous
transactions outweigh any disadvantages.
 
- --------------------------------------------------------------------------------
                                                                       DIVIDENDS
                                                                       AND TAXES
                                                                    ------------
 
DIVIDENDS
 
   
    VALUE GROWTH AND BLUE CHIP PORTFOLIO  DIVIDENDS.  The Fund normally  follows
the practice of distributing substantially all the net investment income and any
net  short-term and long-term capital gains  of these Portfolios after the close
of the Fund's fiscal year.
    
 
    HIGH GRADE BOND AND HIGH YIELD BOND PORTFOLIO DIVIDENDS.  The Fund  normally
follows the practice of distributing substantially all the net investment income
and  net short-term capital  gains of these  Portfolios monthly and distributing
any net long-term capital gains after the close of the Fund's fiscal year.
 
    MANAGED PORTFOLIO  DIVIDENDS.   The Fund  normally follows  the practice  of
distributing  substantially  all the  net  investment income  of  this Portfolio
quarterly and distributing any net short-term and long-term capital gains  after
the close of the Fund's fiscal year.
 
    MONEY  MARKET PORTFOLIO DIVIDENDS.  On each day that the net asset value per
share of the Money Market Portfolio is determined, the Money Market  Portfolio's
net  investment income will be declared, as of the earlier of 3:00 p.m. (Central
Time) or the close of the New York Stock Exchange, as a dividend to shareholders
of record prior to the declaration. Dividends will be reinvested or paid in cash
monthly. If a  shareholder withdraws his  or her entire  account, all  dividends
accrued to the time of withdrawal will be paid at that time.
 
   
    GENERAL.  Among other factors, the requirements of the Internal Revenue Code
may  make it necessary or  desirable to vary from  the dividend practices as set
forth above.  Dividends with  respect to  any Portfolio  will be  reinvested  in
shares  of  that same  Portfolio  unless a  shareholder  indicates in  writing a
    
 
                                       31
<PAGE>
   
desire to receive them in cash; provided, however, that no cash payment will  be
made  for dividends in an  amount under $10. Any  such dividend amount under $10
will be reinvested in shares of that same Portfolio.
    
 
TAXES
 
    It is the policy of each Portfolio to distribute annually substantially  all
its  net investment income and any net realized capital gains from the preceding
fiscal year. By  doing so, each  Portfolio intends to  continue to qualify  each
year  as a regulated investment  company under the Internal  Revenue Code. By so
qualifying, a  Portfolio will  not be  subject to  federal income  taxes to  the
extent  that  its  net investment  income  and  net realized  capital  gains are
distributed.
 
    Dividends will  not be  taxable  to tax-exempt  entities such  as  qualified
retirement  plans (e.g.,  IRAs or  qualified pension  or profit  sharing plans).
Dividends (whether  paid in  cash  or in  additional  shares) derived  from  net
investment  income  or net  short-term capital  gains will  be taxable  to other
shareholders as ordinary income  while net long-term  capital gain dividends  to
such  shareholders will be treated as  long-term capital gains regardless of the
length of  time  the  shareholder  held  the  Portfolio  shares.  For  corporate
taxpayers,  long-term  capital gains  are taxed  at the  same rates  as ordinary
income, but for  individual taxpayers, the  maximum federal income  tax rate  on
long-term  capital gains is 28%. The Fund will inform shareholders of the amount
and nature of such dividends as well as the amount of dividends eligible for the
"dividends  received  deduction"  available   to  corporate  shareholders.   For
shareholders  other  than  tax-exempt entities,  an  exchange of  shares  of one
Portfolio for shares of another Portfolio is ordinarily a taxable transaction.
 
    Each Portfolio's dividends  are paid on  a per-share basis.  At the time  of
such  payment, therefore, the value of each  share will be reduced by the amount
of the payment. If a shareholder purchases shares shortly before the payment  of
a  dividend or distribution, that shareholder pays the full price for the shares
but  receives  some  portion  of  the  price  back  as  a  taxable  dividend  or
distribution.  Shareholders  will receive  information  annually as  to  the tax
status of distributions made by the Fund in each calendar year.
 
    Dividends which a  Portfolio declares  in October, November  or December  to
shareholders  of record as  of a specified date  in one of  those months will be
treated for federal  income tax  purposes as  received by  such shareholders  on
December  31  of the  year declared,  if  paid during  January of  the following
calendar year.
 
    The Fund is  required by  law to withhold  31% of  taxable distributions  to
shareholders  who  do  not furnish  their  correct social  security  or taxpayer
identification number and in certain other circumstances.
 
- --------------------------------------------------------------------------------
ORGANIZATION
OF THE FUND
- ----------------
 
    The Fund is  an open-end, diversified  series management investment  company
registered  under  the  Investment Company  Act.  The  Fund was  organized  as a
corporation under the  laws of Maryland  on August 14,  1970 and has  authorized
capital of 5,000,000,000 shares of common stock, $.001 par value.
 
   
    The shares of each Portfolio have equal rights and privileges with all other
shares  of that  Portfolio and  each share  of a  Portfolio represents  an equal
proportionate interest in that Portfolio with each other share. Upon liquidation
of the Fund or any Portfolio, shareholders of a Portfolio are entitled to  share
pro-rata  in the net assets of that Portfolio available for distribution. Shares
have no preemptive or conversion rights and are fully paid and nonassessable  by
the    Fund.    The    Board    of    Directors    may    establish   additional
    
 
                                       32
<PAGE>
Portfolios at any time. The assets received by the Fund on the sale of shares of
each Portfolio and all income,  earnings, profits and proceeds thereof,  subject
only to the rights of creditors, are allocated to each Portfolio, and constitute
the  assets of such Portfolio.  The assets of each  Portfolio are required to be
segregated on the Fund's books of account.
 
   
    As of August 15,  1996, Farm Bureau Life  Insurance Company, which  provided
the  initial capital for the Portfolios, owned more than 25% of the Money Market
Portfolio. Such  shares  have been  acquired  for  investment and  can  only  be
disposed of by redemption or transfer to an affiliate.
    
 
- --------------------------------------------------------------------------------
                                                                         GENERAL
                                                                     INFORMATION
                                                                 ---------------
 
REPORTS TO SHAREHOLDERS
 
    Shareholders  will  receive unaudited  semi-annual financial  statements and
fiscal year-end financial statements audited by the Fund's independent auditors.
 
SHAREHOLDER INQUIRIES
 
    Shareholders may  make  inquiries  either  by  contacting  their  registered
representative  or by writing  or calling the  Fund at the  address or telephone
numbers as shown on the front cover.
 
SHAREHOLDER VOTING RIGHTS
 
    Under the Fund's corporate  charter, the Fund is  not required to hold,  and
does  not expect to  hold, annual shareholders' meetings.  However, it will hold
special meetings  of  shareholders as  required  or deemed  desirable  for  such
purposes  as electing Directors,  changing fundamental policies  or approving an
investment management agreement. Shareholders will vote by Portfolio and not  in
the  aggregate, except when voting in the  aggregate is permitted under the laws
of the  State of  Maryland  and the  Investment Company  Act,  such as  for  the
election of Directors.
 
    Each  member  of the  Board  of Directors  serves  for a  term  of unlimited
duration, subject to the right of the Board of Directors or the shareholders  to
remove  such Director. The Board of Directors  has the power to alter the number
of Directors and to appoint successor Directors provided that, immediately after
the appointment of any successor Director, at least two-thirds of the  Directors
have  been elected by the shareholders of the Fund. However, if at any time less
than a  majority  of  the Directors  holding  office  has been  elected  by  the
shareholders,   the  Directors  are  required  to  call  a  special  meeting  of
shareholders for  the  purpose  of  electing  Directors  to  fill  any  existing
vacancies in the Board.
 
    As  used in this Prospectus and  in the Statement of Additional Information,
the phrase "majority vote" of a Portfolio (or of the Fund, as appropriate) means
the vote of the lesser of (i) 67% of the shares of the Portfolio (Fund)  present
at  a meeting  if the  holders of more  than 50%  of the  outstanding shares are
present in person or by proxy, or  (ii) more than 50% of the outstanding  shares
of the Portfolio (Fund).
 
SHAREHOLDER SERVICE, DIVIDEND DISBURSING AND TRANSFER AGENT
 
    FBL  serves  as  the  Fund's Shareholder  Service,  Dividend  Disbursing and
Transfer Agent for a separate fee. FBL in turn has contracted with DST  Systems,
Inc.,  an  unrelated  party,  to  perform  certain  services  incidental  to the
maintenance of shareholder accounts for a portion of the fee.
 
ACCOUNTING SERVICES
 
    The Fund has entered into an accounting services agreement with FBL pursuant
to which  FBL  performs accounting  services  for  the Fund.  In  addition,  the
agreement provides that FBL shall calculate
 
                                       33
<PAGE>
the  Fund's net asset value in accordance with the Fund's prospectus and prepare
for Fund  approval and  use various  tax  returns and  other reports.  For  such
services, each Portfolio pays FBL an annual fee, payable monthly, of .05% of the
Portfolio's average daily net assets, with the annual fee payable by a Portfolio
not to exceed $30,000.
 
DISTRIBUTOR
 
   
    FBL  Investment Advisory Services,  Inc. (the "Distributor")  also serves as
distributor and principal underwriter  for the Fund  pursuant to a  distribution
agreement  dated  December 1,  1987,  as amended  November  25, 1991.  Since the
distribution agreement provides for payment by the Fund of fees that are used by
the Distributor to pay for distribution services, the agreement, along with  the
related  dealer agreements (collectively, the  "Plan"), is approved and reviewed
in accordance with Rule 12b-1 under the Investment Company Act, which  regulates
the  manner in which an investment company may, directly or indirectly, bear the
expenses of distributing its shares. Since  the Plan applies to all  Portfolios,
the fees paid by one portfolio may be used to finance distribution of the shares
of  another portfolio  and the  distribution fee  payable to  the Distributor is
allocated among the Portfolios based on relative net asset size. The Distributor
bears all  its  expenses of  providing  services pursuant  to  the  distribution
agreement,  including the  payment of  any commissions  and the  preparation and
distribution of advertising or sales literature  and bears the cost of  printing
and  mailing prospectuses to  persons other than  shareholders. For its services
under the distribution agreement, the Fund  pays the Distributor a fee,  payable
monthly,  at the annual  rate of .50% of  average daily net  assets of the Fund.
This fee is accrued daily as an expense of the Fund. The Distributor compensates
firms for sales  of Portfolio shares  at a commission  rate of up  to 4.5%.  The
Distributor  may from time  to time pay additional  commissions, service fees or
promotional incentives to firms that sell shares of the Fund. In some instances,
such additional commissions,  fees or other  incentives may be  offered only  to
certain  firms who sell  or are expected  to sell during  specified time periods
certain minimum amounts of shares of the Fund, or of other funds underwritten by
the Distributor. The Distributor receives any contingent deferred sales charges.
See "How to Redeem Shares." Firms to  which service fees and commissions may  be
paid include affiliated broker-dealers.
    
 
    As  a result of the commissions and  other payments made by the Distributor,
the expenses incurred  by the Distributor  during the early  years of the  Plan,
which  may include interest and overhead expenses, will exceed the fees received
by the Distributor  under the  Plan; however, it  is possible  that, during  the
later  years of the Plan, the fees paid by the Fund to the Distributor under the
Plan may  exceed  the Distributor's  expenses.  If  the Plan  is  terminated  in
accordance  with its terms, the  obligation of the Fund  to make payments to the
Distributor pursuant to the Plan will cease and the Fund will not be required to
make any payments past the termination date. Thus, there is no legal  obligation
for  the Fund to pay  any expenses incurred by the  Distributor in excess of its
fees under the Plan, if for any reason the Plan is terminated in accordance with
its terms. Future fees under the Plan may or may not be sufficient to  reimburse
the Distributor for its expenses incurred.
 
   
    During  the fiscal year  ended July 31,  1996, a total  of $678,920 was paid
pursuant to  the  Plan. Of  this  amount, $203,609  was  paid to  FBL  Marketing
Services,  Inc.,  the principal  dealer  for Fund  shares,  and the  balance was
retained by the Distributor. FBL Marketing Services, Inc. is an affiliate of the
Distributor.
    
 
    The Distributor provides  information and administrative  services for  Fund
shareholders  pursuant to an  administrative services agreement ("Administrative
Agreement"). For such  services, the Fund  pays the Distributor  a fee,  payable
monthly,  at an annual rate of .25% of average daily net assets of the Fund. The
Distributor may enter  into related agreements  with various financial  services
firms,  such as broker-dealer firms or  banks ("firms"), to provide services and
facilities for their customers or clients who are
 
                                       34
<PAGE>
shareholders of the Fund.  The services and assistance  that may be provided  by
the  Distributor or such firms may include, but are not limited to, assisting in
the  establishment  and  maintenance   of  shareholder  accounts  and   records,
furnishing  information  as to  the status  of shareholder  accounts, processing
shareholder service  requests,  forwarding  purchase  and  redemption  requests,
responding  to telephone inquiries, assisting  shareholders with tax information
and such other services as may  be agreed upon from time  to time and as may  be
permitted  by applicable statute, rule or  regulation. The Distributor pays each
firm a service fee, payable monthly, at the  annual rate of .15 of 1% on  assets
attributable  to  the  firm  that  have been  maintained  and  serviced  in Fund
accounts.
 
                                       35
<PAGE>
- --------------------------------------------------------------------------------
                                                                      APPENDIX A
                                                                   -------------
 
                            MONEY MARKET INSTRUMENTS
 
    The  Money Market Portfolio invests in  money market instruments maturing in
thirteen months or less from the  time of investment, including the  instruments
described  below. In addition, the other Portfolios, subject to their respective
investment objectives, may invest in certain money market instruments.
 
    U.S. GOVERNMENT SECURITIES:  Bills,  notes, bonds and other debt  securities
issued by the U.S. Treasury. These are direct obligations of the U.S. Government
and differ mainly in the length of their maturities.
 
    U.S.  GOVERNMENT  AGENCY  OR INSTRUMENTALITY  SECURITIES:    Debt securities
issued or guaranteed by  agencies or instrumentalities  of the U.S.  Government.
Although  these securities  are not direct  obligations of  the U.S. Government,
some are supported by the full faith and credit of the U.S. Treasury; others are
supported only  by the  limited right  of the  issuer to  borrow from  the  U.S.
Treasury;   and  others  depend  solely  upon   the  credit  of  the  agency  or
instrumentality and not the U.S. Treasury.
 
    OBLIGATIONS OF  BANKS OR  SAVINGS INSTITUTIONS:   Certificates  of  deposit,
bankers'  acceptances and other short-term  debt obligations of commercial banks
or savings and  loan associations.  None of the  Portfolios will  invest in  any
instruments  issued by a commercial bank unless  it has total assets of at least
$100 million  and has  its deposits  insured by  the Federal  Deposit  Insurance
Corporation   ("FDIC").  Similarly,  the  Portfolios  will  not  invest  in  any
instrument issued by a savings and  loan association unless it has total  assets
of  at least  $100 million, has  been issued a  charter by the  Office of Thrift
Supervision ("OTS")  or was  formerly a  member of  the Federal  Home Loan  Bank
System  and is now subject to regulation by the OTS, and is insured by the FDIC.
However, the Portfolios may  invest in an  obligation of a  bank or savings  and
loan  association with assets of less than  $100 million if the principal amount
of such  obligation  is fully  covered  by FDIC  insurance.  The limit  of  such
coverage is currently $100,000.
 
    COMMERCIAL   PAPER:    Short-term  unsecured   promissory  notes  issued  by
corporations, primarily to finance short-term  credit needs. The Portfolio  will
only  invest in U.S. dollar-denominated instruments which the Board of Directors
determines present minimal credit risks and  which, at the time of  acquisition,
generally are either:
 
    1.   rated  in one  of the  two highest  rating categories  by at  least two
       nationally recognized statistical rating organizations ("NRSRO"); or
 
    2.  rated in one of the two  highest rating categories by only one NRSRO  if
       that NRSRO is the only NRSRO that has rated the instrument or issuer; or
 
    3.    in the  case  of an  unrated instrument,  determined  by the  Board of
       Directors to be of comparable quality to either of the above; or
 
    4.  issued by an issuer that has received a rating of the type described  in
       1  or 2  above on  other securities that  are comparable  in priority and
       security to the instrument.
 
    In addition,  the Fund  will  invest in  commercial  paper issued  by  major
corporations  in reliance  on the  so-called "private  placement" exemption from
registration by  Section 4(2)  of  the Securities  Act  of 1933  ("Section  4(2)
paper") subject to the above noted requirements with respect to ratings. Section
4(2)
 
                                      A-1
<PAGE>
paper  is restricted  as to disposition  under the federal  securities laws, and
generally is sold to institutional investors such as the Fund, who agree that it
is  purchasing  the  paper  for  investment  and  not  with  a  view  to  public
distribution.  Any resale  by the  purchaser must  be in  an exempt transaction.
Section 4(2) paper normally is  resold to other institutional investors  through
or  with the assistance of the issuer or investment dealers who make a market in
the Section 4(2) paper, thus providing liquidity. The Fund's investment  adviser
considers  the legally restricted but readily  saleable Section 4(2) paper to be
liquid; however,  the paper  will be  treated as  illiquid unless,  pursuant  to
procedures  approved  by  the Board  of  Directors, a  particular  investment in
Section 4(2) paper is determined to  be liquid. The investment adviser  monitors
the  liquidity of the Fund's  investments in Section 4(2)  paper on a continuing
basis.
 
    OTHER CORPORATE DEBT SECURITIES:  Outstanding nonconvertible corporate  debt
securities  (e.g., bonds  and debentures)  which were  not issued  as short-term
obligations but which have thirteen months or less remaining until maturity. The
Portfolio will  only  invest in  such  obligations  if the  Board  of  Directors
determines  that  they present  minimal  credit risk  and  are, at  the  time of
acquisition, rated AA/Aa or better by Standard & Poor's or Moody's and:
 
    1.  determined  by the Board  of Directors  to be of  comparable quality  to
       either 1 or 2 above; or
 
    2.   issued by an issuer that has received a rating of the type described in
       1 or  2 above  on  other short-term  securities  that are  comparable  in
       priority and security to the obligation.
 
    REPURCHASE   AGREEMENTS:      See   "Description   of   Certain   Investment
Techniques--Repurchase Agreements."
 
    FLOATING AND  VARIABLE  RATE  SECURITIES:    The  Portfolio  may  invest  in
instruments  having rates  of interest  that are  adjusted periodically  or that
float continuously or  periodically according to  formulas intended to  minimize
fluctuation  in the value  of the instruments  ("Variable Rate Securities"). The
interest rate on a Variable Rate Security is ordinarily determined by  reference
to,  or is a percentage of, a specified market rate such as a bank's prime rate,
the 90-day U.S. Treasury Bill rate, or the rate of return on commercial paper or
bank certificates of  deposit. Generally, the  changes in the  interest rate  on
Variable  Rate Securities  reduce the  fluctuation in  the market  value of such
securities. Accordingly, as interest rates  decrease or increase, the  potential
for   capital  appreciation  or  depreciation  is   less  than  for  fixed  rate
obligations. Some Variable Rate Securities have a demand feature ("Variable Rate
Demand Securities")  entitling the  purchaser  to resell  the securities  at  an
amount  approximately  equal  to  the  principal  amount  thereof  plus  accrued
interest. As in the case for  other Variable Rate Securities, the interest  rate
on  Variable Rate  Demand Securities varies  according to  some specified market
rate intended to minimize fluctuation in  the value of the instruments. Some  of
these  Variable Rate Demand Securities are unrated, their transfer is restricted
by the issuer and there  is little if any  secondary market for the  securities.
Thus,  any inability of  the issuers of  such securities to  pay on demand could
adversely affect the liquidity of these securities. The Portfolio determines the
maturity of Variable Rate Securities in accordance with Securities and  Exchange
Commission  rules  which  allow  the  Portfolio  to  consider  certain  of  such
instruments as having maturities shorter than  the maturity date on the face  of
the instrument.
 
                                      A-2
<PAGE>
- --------------------------------------------------------------------------------
                                                                      APPENDIX B
                                                                   -------------
 
   
                   COMPOSITION OF BOND PORTFOLIOS BY QUALITY
    
 
   
    The  tables below reflect  the average composition by  quality rating of the
investment securities of the High Yield  Bond Portfolio and the High Grade  Bond
Portfolio  for the  fiscal year  ended July  31, 1996.  Percentages are weighted
averages based upon the  portfolio composition at the  end of each month  during
the  year. The percentage of total assets  represented by bonds rated by Moody's
and Standard  &  Poor's  ("S&P")  is  shown.  The  percentage  of  total  assets
represented  by unrated bonds is also  shown. Although not specifically rated by
Moody's or Standard &  Poor's, U.S. Government securities  are reflected as  Aaa
and  AAA (highest quality) for  purposes of these tables.  The category noted as
"Cash and Other  Assets" includes all  assets other than  the rated and  unrated
bonds  reflected in the table  including, without limitation, equity securities,
preferred stocks, money market instruments, repurchase agreements and cash.
    
 
   
    The allocations reflected in the tables do not necessarily reflect the  view
of  the investment adviser as  to the quality of the  bonds in the Portfolios on
the date shown; and they are  not necessarily representative of the  composition
of  the Portfolios at other times. The composition of each Portfolio will change
over time.
    
 
                           HIGH YIELD BOND PORTFOLIO
                      COMPOSITION OF PORTFOLIO BY QUALITY
 
   
<TABLE>
<CAPTION>
                       PERCENTAGE OF                         PERCENTAGE OF
  MOODY'S RATING       PORTFOLIO BY                           PORTFOLIO BY     GENERAL DEFINITION OF
     CATEGORY         MOODY'S RATINGS   S&P RATING CATEGORY   S&P RATINGS              BOND
- -------------------  -----------------  -------------------  --------------  -------------------------
<S>                  <C>                <C>                  <C>             <C>
Aaa................           1.05%     AAA................         1.05%    Highest quality
A..................           6.19      A..................         5.91     Upper medium grade
Baa................           7.65      BBB................         9.23     Medium grade
Ba.................          37.48      BB.................        31.23     Lower medium grade
B..................          37.08      B..................        45.53     Speculative
Caa................           3.50      CCC................                  More speculative
Ca.................            .75      D..................          .75     Highly speculative
Cash and Other                          Cash and Other
 Assets............           6.30      Assets.............         6.30
                     -----------------                       --------------
                            100.00%                               100.00%
</TABLE>
    
 
                                      B-1
<PAGE>
                           HIGH GRADE BOND PORTFOLIO
                      COMPOSITION OF PORTFOLIO BY QUALITY
 
   
<TABLE>
<CAPTION>
                       PERCENTAGE OF                         PERCENTAGE OF
  MOODY'S RATING       PORTFOLIO BY                           PORTFOLIO BY     GENERAL DEFINITION OF
     CATEGORY         MOODY'S RATINGS   S&P RATING CATEGORY   S&P RATINGS              BOND
- -------------------  -----------------  -------------------  --------------  -------------------------
<S>                  <C>                <C>                  <C>             <C>
Aaa................          16.86%     AAA................        14.13%    Highest quality
Aa.................          13.96      AA.................        21.84     High quality
A..................          38.05      A..................        28.78     Upper medium grade
Baa................          20.90      BBB................        23.32     Medium grade
Ba.................           3.43      BB.................         2.39     Lower medium grade
Not rated..........           1.76      Not rated..........         4.50     Not rated by Moody's or
                                                                              S&P
Cash and Other                          Cash and Other
 Assets............           5.04      Assets.............         5.04
                     -----------------                       --------------
                            100.00%                               100.00%
</TABLE>
    
 
    The description of each bond quality category set forth in the tables  above
is  intended to  be a  general guide and  not a  definitive statement  as to how
Moody's and  Standard &  Poor's define  such rating  category. A  more  complete
description   of  the  rating  categories  is  set  forth  under  "Appendix  C--
Description of Corporate Bond  Ratings." The ratings of  Moody's and Standard  &
Poor's represent their opinions as to the capacity to pay interest and principal
of the securities that they undertake to rate. It should be emphasized, however,
that  ratings are relative and subjective and do not evaluate market value risk.
After purchase by a Portfolio, an obligation may cease to be rated or its rating
may be  reduced.  Neither event  would  require  a Portfolio  to  eliminate  the
obligation from its portfolio. An issue may be unrated simply because the issuer
chose  not to have it rated, and not necessarily because it is of lower quality.
Unrated issues may be less marketable.
 
                                      B-2
<PAGE>
- --------------------------------------------------------------------------------
                                                                      APPENDIX C
                                                                   -------------
 
                     DESCRIPTION OF CORPORATE BOND RATINGS
 
MOODY'S INVESTORS SERVICE, INC.
 
  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
       anticipated 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 which  make  the long-term  risks appear
       somewhat larger than with Aaa securities.
 
    A: Bonds that are rated A  possess many favorable investment attributes  and
       may   be  considered  as  upper  medium-grade  obligations.  This  rating
       indicates an  extremely strong  capacity to  pay principal  and  interest
       which  is considered adequate but elements may be present which suggest a
       susceptibility to impairment sometime in the future.
 
  Baa: Bonds rated Baa are considered  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.
 
   Ba: Bonds rated  Ba are  judged to  have speculative  elements; their  future
       cannot  be considered as  well-assured. Often the  protection of interest
       and  principal   payments  may   be  very   moderate  and   thereby   not
       well-safeguarded  during  both  good  and  bad  times  over  the  future.
       Uncertainty of position characterizes bonds in this class.
 
    B: Bonds rated B generally lack  characteristics of a desirable  investment.
       Assurance  of interest and principal payments  or of maintenance of other
       terms of the contract over any long period of time may be small.
 
  Caa: Bonds rated Caa are of  poor standing. Such issues  may be in default  or
       there  may be  present elements  of danger  with respect  to principal or
       interest.
 
   Ca: Bonds rated  Ca represent  obligations which  are speculative  in a  high
       degree.   Such  issues  are  often  in   default  or  have  other  market
       shortcomings.
 
STANDARD & POOR'S CORPORATION
 
  AAA: Bonds rated AAA are highest grade debt obligations. This rating indicates
       an extremely strong capacity to pay principal and interest.
 
   AA: Bonds rated AA also qualify as high-quality obligations. Capacity to  pay
       principal  and interest is very strong,  and in the majority of instances
       they differ from AAA issues only in a small degree.
 
                                      C-1
<PAGE>
    A: Bonds rated  A have  a strong  capacity to  pay principal  and  interest,
       although  they are more susceptible to  the adverse effects of changes in
       circumstances and economic conditions.
 
  BBB: Bonds rated  BBB are  regarded  as having  an  adequate capacity  to  pay
       principal   and  interest.  Whereas   they  normally  exhibit  protection
       parameters, adverse  economic conditions  or changing  circumstances  are
       more  likely to lead to a weakened capacity to pay principal and interest
       for bonds in this category, than for bonds in the A category.
 
BB-B-CCC-CC:    Bonds  rated BB,  B, CCC  and CC  are regarded,  on balance,  as
       predominantly  speculative with respect  to the issuer's  capacity to pay
       interest and  repay  principal  in  accordance  with  the  terms  of  the
       obligations.  BB indicates  the lowest degree  of speculation  and CC the
       highest degree of  speculation. While  such bonds will  likely have  some
       quality  and protective  characteristics, these  are outweighed  by large
       uncertainties or major risk exposures to adverse conditions.
 
    D: Bonds rated D are in default, and payment of interest and/or repayment of
       principal is in arrears.
 
       Plus (+) or Minus (-): The ratings  from "AA" to "BB" may be modified  by
       the addition of a plus or minus sign to show relative standing within the
       major rating categories.
 
   NR: Not rated by the indicated rating agency.
 
                    DESCRIPTION OF COMMERCIAL PAPER RATINGS
 
MOODY'S INVESTORS SERVICE, INC.
 
   P-1: The  rating  P-1  is the  highest  commercial paper  rating  assigned by
        Moody's and indicates that, in Moody's opinion, the issuer or supporting
        institution has a  superior ability for  repayment of senior  short-term
        debt  obligations. P-1 repayment ability will often be evidenced by many
        of the  following  characteristics:  (1)  leading  market  positions  in
        well-established industries, (2) high rates of return on funds employed,
        (3)  conservative  capitalization structures  with moderate  reliance on
        debt and ample asset protection, (4) broad margins in earnings  coverage
        of  fixed financial  charges and high  internal cash  generation and (5)
        well-established access  to a  range of  financial markets  and  assured
        sources of alternate liquidity.
 
   P-2: The  rating  P-2  indicates  that, in  Moody's  opinion,  the  issuer or
        supporting institution  has a  strong ability  for repayment  of  senior
        short-term  debt obligations. Strong ability for repayment will normally
        be evidenced by many of the characteristics listed under the description
        of "P-1." Earnings trends and coverage ratios, while sound, may be  more
        subject   to  variation.  Capitalization  characteristics,  while  still
        appropriate,  may  be  more  affected  by  external  conditions.   Ample
        alternate liquidity is maintained.
 
STANDARD & POOR'S CORPORATION
 
   A-1: This  designation indicates that  the degree of  safety regarding timely
        payment of debt having an original maturity of no more than 365 days  is
        either overwhelming or very strong.
 
   A-2: This  designation  indicates that  capacity for  timely payment  of debt
        having an original maturity of no more than 365 days is strong; however,
        the relative degree of  safety is not as  high as for issues  designated
        "A-1."
 
                                      C-2
<PAGE>
APPLICATION FOR SHARES
                                                        [LOGO]
 
                                                           FBL SERIES FUND, INC.
Please Complete and Mail to:
FBL Series Fund, Inc.
3820 109th Street
Des Moines, Iowa 50391-7003
 
If you have any questions, please call toll-free at 1-800-422-3175 (in Iowa) or
1-800-247-4170 (National).
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
DESIGNATE TYPE OF ACCOUNT & OWNER NAME(S)
 
/ / INDIVIDUAL OR JOINT ACCOUNT*
- --------------------------------------------------------------
Owner's Name
 
- ------------------------------------------------------------------------------
Joint Owner's Name
*Joint tenants with Right of Survivorship conclusively presumed unless noted
otherwise
 
/ / CUSTODIAL ACCOUNT
   Uniform Gift or Transfer to Minors Act
 
- ------------------------------------------------------------------------------
Custodian's Name
 
- ------------------------------------------------------------------------------
Minor's Name
 
/ / TRUST, CORPORATION OF OTHER ENTITY ACCOUNT
 
- ------------------------------------------------------------------------------
Name of Trust, Corporation or Other Entity
 
- ------------------------------------------------------------------------------
Trustee(s') Name or Type of Entity
 
- ------------------------------------------------------------------------------
Date of Trust Agreement
 
PROVIDE YOUR TAX IDENTIFICATION NUMBER
 
- ------------------------------------------------------------------------------
Social Security or Tax ID Number
(Use minor's Social Security number for gifts/transfers to minors)
 
- ------------------------------------------------------------------------------
Joint Owner's or Custodian's Social Security or Tax ID Number
 
PROVIDE YOUR ADDRESS
 
- ------------------------------------------------------------------------------
Street or PO Box
 
- ------------------------------------------------------------------------------
 
- ------------------------------------------------------------------------------
City, State, Zip Code
 
PROVIDE YOUR DATE OF BIRTH
 
- --------------------------------------------------------------
- -------------------------------------------------------------------
 
PORTFOLIO SELECTION*
Minimum Initial Investment $250 per Portfolio
 
   
- ------ Value Growth                                                            $
    
- --------------
 
- ------ High Grade Bond                                                         $
- --------------
 
- ------ High Yield Bond                                                         $
- --------------
 
- ------ Managed                                                                 $
- --------------
 
- ------ Money Market                                                            $
- --------------
 
- ------ Blue Chip                                                               $
- --------------
 
*If no Portfolio is designated, the Money Market Portfolio will be selected.
 
TO REINVEST YOUR DISTRIBUTIONS
Your dividends and capital gains will be reinvested unless you indicate
otherwise.
 
    / / Cash Dividends        / / Cash Capital Gains
- -------------------------------------------------------------------
 
SPECIAL SHAREHOLDER PRIVILEGES
Exchange Between Funds*     / / Yes    / / No
 
I authorize exchanges between Portfolios upon instruction from any person by
telephone. If neither box is checked, the telephone exchange privilege will be
provided. Shares held in certificated form may not be exchanged.
 
Please send information on the following:
 
    / / Periodic Withdrawal Plan
    / / Automatic Investment Plan
 
*Subject to a $5.00 exchange fee.
- --------------------------------------------------------------------------------
 
TAX QUALIFIED PLANS ONLY
 
A qualified application must be submitted in addition to this form.
 
    / / Keogh              / / IRA
 
    / / Tax Deferred 403(b)  / / SEP
 
DESIGNATED BENEFICIARY
 
   
(required with tax qualified plans)
    
 
- ------------------------------------------------------------------------------
Primary Beneficiary
 
- ------------------------------------------------------------------------------
Social Security Number                                    Date of Birth
 
- ------------------------------------------------------------------------------
Contingent Beneficiary
 
- ------------------------------------------------------------------------------
Social Security Number                                    Date of Birth
 
- ------------------------------------------------------------------------------
Contingent Beneficiary
 
- ------------------------------------------------------------------------------
Social Security Number                                    Date of Birth
- --------------------------------------------------------------------------------
 
SIGNATURES
I certify that I have received, read and agree to the terms of the prospectus
for FBL Series Fund, Inc. I have the authority and legal capacity to purchase
mutual fund shares, am of legal age in my state and believe each investment is
suitable for me. Under penalties of perjury, I certify that the number shown on
this form is a true and correct social security or tax identification number
and, to the best of my knowledge, I am not subject to backup withholding.
 
- ------------------------------------------------------------------------------
Signature of Applicant
 
- ------------------------------------------------------------------------------
Signature of Joint Applicant
 
- ------------------------------------------------------------------------------
Rep's Signature                              Number
 
- ------------------------------------------------------------------------------
Date
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
   This Application must be accompanied or preceded by a current prospectus.
                         (Please Complete Reverse Side)
 
   
737-018A (12/96)
    
<PAGE>
             Distributed by FBL Investment Advisory Services, Inc.
 
                          CONFIDENTIAL CUSTOMER RECORD
___________________________________           __________________________________
                 Name of
Customer                                                    Date
 
These  questions are for  the purpose of  determining the suitability  of a Fund
investment for you and are asked pursuant to rules established by the  Securites
and  Exchange  Commission. Furnishing  the answers  is  voluntary on  your part;
however, the  information will  be  treated confidentially  and is  intended  to
assist in determining an appropriate recommendation.
 
/ / I elect not to provide the information below.
 1. SEX: / / MALE / / FEMALE
 2. DATE OF BIRTH: _________________________________________________
 3. DEPENDENT CHILDREN: Number _______ Age of youngest _______ Age of oldest
_______
 4. PRINCIPAL OCCUPATION: ______________________________________________________
 5. NAME AND ADDRESS OF EMPLOYER: ______________________________________________
                                  ______________________________________________
 6. INSURANCE ON LIFE OF CUSTOMER: / / Less than $25,000 / / $25,000 to $50,000
                                   / / $50,000 to $100,000 / / $100,000 or over
   
 7. INVESTMENT OBJECTIVE: / / Growth of income and capital  / / Current income
    
   
                          / / Long-term capital appreciation  / / Liquidity and
                          stability of principal
    
                          / / Other (Specify) __________________________________
   
 8. VOLATILITY TOLERANCE:/ / Low  / / Medium  / / High
    
   
 9. NET WORTH: / / Less than $25,000 / / $25,000 to $50,000 / / $50,000 to
$100,000 / / $100,000 or over
    
   
10. SAVINGS: / / Less than $5,000 / / $5,000 to $10,000 / / $10,000 to $25,000
/ / $25,000 or over
    
   
11. OTHER ASSETS:
    
    Amount / / Less than $10,000 / / $10,000 to $50,000 / / $50,000 to $100,000
    / / $100,000 or over
    Description ________________________________________________________________
   __
   __
   
12. ANNUAL INCOME: / / Less than $10,000 / / $10,000 to $25,000
                / / $25,000 to $50,000 / / $50,000 to $100,000 / / $100,000 or
over
    
   
13. OTHER INFORMATION CONSIDERED IN MAKING AN INVESTMENT RECOMMENDATION:
    
    ____________________________________________________________________________
   __
   __
    ___________________________________      ___________________________________
     Signature of Customer          Signature of Representative
<PAGE>
 
<TABLE>
<S>                                           <C>
INVESTMENT ADVISER, DISTRIBUTOR,              CUSTODIAN
SHAREHOLDER SERVICE, DIVIDEND                 Bankers Trust Company
DISBURSING AND TRANSFER AGENT                 Global Assets -- Insurance Group
FBL Investment Advisory Services, Inc.        16 Wall Street
5400 University Avenue                        New York, New York 10005
West Des Moines, Iowa 50266
 
LEGAL COUNSEL                                 INDEPENDENT AUDITORS
Vedder, Price, Kaufman & Kammholz             Ernst & Young LLP
Suite 2600                                    Suite 3400
222 North LaSalle Street                      801 Grand Avenue
Chicago, Illinois 60601                       Des Moines, Iowa 50309
</TABLE>
<PAGE>
        ------------------------------------------------------------------------
                                                   Farm Bureau Mutual Funds
 
                                           FBL Series Fund, Inc.
 
   
   [LOGO]
                                           PROSPECTUS
                                           DECEMBER 1, 1996
    
 
                                           INVESTMENT MANAGER AND
                                           PRINCIPAL UNDERWRITER
 
                                           FBL INVESTMENT ADVISORY
                                           SERVICES, INC.
 
                                           5400 UNIVERSITY AVENUE
                                           WEST DES MOINES, IA 50266
 
                                           1-800-247-4170 (OUTSIDE IOWA)
                                           1-800-422-3175 (IN IOWA)
                                                225-5586 (DES MOINES)
 
<TABLE>
<S>                              <C>
FARM BUREAU MUTUAL FUNDS
5400 UNIVERSITY AVENUE
WEST DES MOINES, IOWA 50266      [LOGO]
</TABLE>
 
   
737-018(12/96)
    
<PAGE>
                                     PART B
                            FARM BUREAU MUTUAL FUNDS
                             FBL SERIES FUND, INC.
                             5400 University Avenue
                          West Des Moines, Iowa 50266
                                 (515) 225-5586
 
                      STATEMENT OF ADDITIONAL INFORMATION
 
   
                                DECEMBER 1, 1996
    
 
   
    FBL  Series Fund, Inc.  (the "Fund") is  an open-end, diversified management
investment company that consists of  six Portfolios: the Value Growth  Portfolio
(formerly  named Growth Common Stock Portfolio), High Grade Bond Portfolio, High
Yield Bond Portfolio, Managed  Portfolio, Money Market  Portfolio and Blue  Chip
Portfolio.  Each Portfolio has  distinct investment objectives  and policies and
each is in effect a separate fund issuing its own shares.
    
 
   
    This Statement of Additional Information is  not a prospectus and should  be
read  in conjunction with the  Prospectus of the Fund  dated December 1, 1996. A
copy of the Prospectus may be obtained without charge by writing or calling  the
Fund at the address and telephone number shown above.
    
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                               TABLE OF CONTENTS
 
   
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INVESTMENT OBJECTIVES, POLICIES AND TECHNIQUES............................................................        B-1
  Loans of Portfolio Securities...........................................................................        B-1
  Covered Call Options....................................................................................        B-1
  Ginnie Mae Certificates.................................................................................        B-2
INVESTMENT RESTRICTIONS...................................................................................        B-3
  Fundamental Policies....................................................................................        B-3
  Non-Fundamental (Operating) Policies....................................................................        B-5
OFFICERS AND DIRECTORS....................................................................................        B-5
INVESTMENT ADVISER........................................................................................       B-11
PORTFOLIO TRANSACTIONS AND BROKERAGE COMMISSIONS..........................................................       B-13
UNDERWRITING AND DISTRIBUTION EXPENSES....................................................................       B-14
PURCHASES AND REDEMPTIONS.................................................................................       B-15
NET ASSET VALUE...........................................................................................       B-15
  Money Market Portfolio..................................................................................       B-15
  Other Portfolios........................................................................................       B-16
TAXES.....................................................................................................       B-17
DIVIDENDS AND DISTRIBUTIONS...............................................................................       B-18
  Money Market Portfolio..................................................................................       B-18
PERFORMANCE INFORMATION...................................................................................       B-18
SHAREHOLDER VOTING RIGHTS.................................................................................       B-23
RETIREMENT PLANS..........................................................................................       B-23
  Self-Employed Individual Retirement Plans...............................................................       B-23
  Individual Retirement Accounts..........................................................................       B-23
  Tax-Sheltered 403(b) Plans..............................................................................       B-24
  Corporate Pension and Profit Sharing Plans..............................................................       B-24
  Public Employer Deferred Compensation Plans.............................................................       B-24
  General.................................................................................................       B-24
OTHER INFORMATION.........................................................................................       B-24
  Principal Holders of Securities.........................................................................       B-24
  Custodian...............................................................................................       B-25
  Independent Auditors....................................................................................       B-25
  Accounting Services.....................................................................................       B-25
  Shareholder Service, Dividend Disbursing and Transfer Agent.............................................       B-25
  Legal Matters...........................................................................................       B-25
FINANCIAL STATEMENTS......................................................................................       B-25
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                 INVESTMENT OBJECTIVES, POLICIES AND TECHNIQUES
    
 
    The  investment objectives and policies of each of the Fund's six Portfolios
are set forth  in the Prospectus  under the heading  "Investment Objectives  and
Policies  of the Portfolios." A description of certain investment strategies and
techniques applicable to  some or  all of  the Portfolios  is set  forth in  the
Prospectus  under the heading "Description  of Certain Investment Techniques." A
description of the money market instruments in which the Money Market  Portfolio
may  invest is contained in  Appendix A to the  Prospectus. A description of the
corporate bond and commercial paper ratings of Moody's Investors Services,  Inc.
("Moody's") and Standard & Poor's Corporation ("Standard & Poor's") is contained
in the Prospectus.
 
    The  following is intended  to augment the explanation  in the Prospectus of
certain investment strategies and  techniques applicable to one  or more of  the
Portfolios.
 
LOANS OF PORTFOLIO SECURITIES
 
    Each  Portfolio may from time to time  lend securities (but not in excess of
20% of  its  assets)  from  its portfolio  to  brokers,  dealers  and  financial
institutions,  provided that: (i) the loan is secured continuously by collateral
consisting of U.S. Government securities, government agency securities, or  cash
or  cash equivalents adjusted daily to have a market value at least equal to the
current market value of  the securities loaned plus  accrued interest; (ii)  the
Portfolio  may at any time  call the loan and  regain the securities loaned; and
(iii) the Adviser (under the review of the Board of Directors) has reviewed  the
creditworthiness  of the borrower and  found such creditworthiness satisfactory.
The collateral will be invested in short-term securities, the income from  which
will increase the return to the Portfolio.
 
    The  Portfolio will retain all rights  of beneficial ownership in the loaned
securities,  including  voting   rights  and   rights  to   interest  or   other
distributions,  and will  have the  right to  regain record  ownership of loaned
securities to exercise such beneficial rights. The Portfolio may pay  reasonable
administrative,  custodial and  finders' fees  to persons  unaffiliated with the
Fund in connection with the arranging of such loans. Unless certain requirements
contained in the Internal  Revenue Code are  satisfied, the dividends,  interest
and  other distributions received by the  Portfolio on loaned securities may not
be treated for tax purposes as qualified income for the purposes of the 90% test
discussed under "Taxes."  Each Portfolio  intends to  loan portfolio  securities
only  to  the extent  that  such activity  does  not jeopardize  the Portfolio's
qualification as  a  regulated investment  company  under Subchapter  M  of  the
Internal Revenue Code.
 
COVERED CALL OPTIONS
 
    Each  Portfolio (other  than the  Money Market  Portfolio) may  write (sell)
covered  call  options  on  its  portfolio  securities  in  seeking  to  enhance
investment  performance.  A call  option  is a  short-term  contract, ordinarily
having a duration  of nine  months or  less, which  gives the  purchaser of  the
option,  in return for a premium  paid, the right to buy,  and the writer of the
option the obligation to sell, the underlying security at the exercise price  at
any time prior to the expiration of the option period. An option is "covered" if
the writer owns the optioned security.
 
    A  Portfolio  will  write covered  call  options  both to  reduce  the risks
associated with  certain of  its investments  and to  increase total  investment
return.  In  return  for  the  premium income,  the  Portfolio  will  forego the
opportunity to profit  from an increase  in the market  price of the  underlying
security  above the exercise price so long as its obligations under the contract
continue, except  insofar  as the  premium  represents a  profit.  Moreover,  in
writing  the option, the Portfolio will retain the  risk of loss if the price of
the security declines, and the  premium is intended to  offset any such loss  in
whole or in part. A Portfolio, in
 
                                      B-1
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writing  call options, must  assume that the  call may be  exercised at any time
prior to  the  expiration of  its  obligations as  a  writer and  that  in  such
circumstances,  the  net  proceeds  realized from  the  sale  of  the underlying
securities pursuant to the call may be substantially below the prevailing market
price.
 
    A Portfolio  may write  covered call  options on  debt securities  that  are
traded  over-the-counter. When  a Portfolio  writes an  over-the-counter option,
there is no assurance that  the Portfolio will be able  to enter into a  closing
purchase  transaction.  It  may not  always  be  possible for  the  Portfolio to
negotiate a  closing purchase  transaction with  the same  dealer for  the  same
exercise  price and expiration date as the option which the Portfolio previously
had written. Although  the Portfolio  may choose to  purchase an  option from  a
different  dealer, the Portfolio would then  be subject to the additional credit
risk of such dealer.  If the Portfolio  is unable to  effect a closing  purchase
transaction,  it will  not be  able to  sell the  underlying security  until the
option expires or until it delivers the underlying security upon exercise.
 
GINNIE MAE CERTIFICATES
 
    The High  Grade  Bond  Portfolio,  High Yield  Bond  Portfolio  and  Managed
Portfolio  may each  invest in Ginnie  Mae certificates  ("Ginnie Maes"). Ginnie
Maes are debt  securities issued  by a mortgage  banker or  other mortgagee  and
represent  an interest in pools of mortgage loans insured by the Federal Housing
Administration or the Farmers Home Administration, or guaranteed by the Veterans
Administration. Scheduled payments  of principal  and interest are  made to  the
registered  holders  of  the  Ginnie  Maes.  The  Government  National  Mortgage
Association ("GNMA") guarantees  the timely payment  of monthly installments  of
principal and interest on Ginnie Maes at the time such payments are due, whether
or  not such amounts are collected on  the underlying mortgages by the issuer of
the Ginnie  Maes. The  National Housing  Act provides  that the  full faith  and
credit  of the United States  is pledged to the  timely payment of principal and
interest by GNMA of amounts due on these Ginnie Maes, and an assistant  attorney
general of the United States has rendered an opinion that this guarantee by GNMA
is  a  general obligation  of the  United States  backed by  its full  faith and
credit.
 
    The Ginnie Maes in  which these Portfolios may  invest are of the  "modified
pass-through"  type,  which means  that GNMA  guarantees  the timely  payment of
principal and interest installments (whether or not the amounts are collected by
the issuer of the  Ginnie Maes). Under  the other general  type of Ginnie  Maes,
referred to as "straight pass-through" Ginnie Maes, the payment of principal and
interest on a timely basis is not guaranteed.
 
    The average life of Ginnie Maes varies with the maturities of the underlying
mortgage  instruments with maximum  maturities of 30 years.  The average life is
likely to be substantially less than the original maturity of the mortgage pools
underlying the securities as  the result of prepayments  or refinancing of  such
mortgages  or foreclosure. Such prepayments are passed through to the registered
holder with the regular monthly payments of principal and interest, and have the
effect of reducing future payments. Due to the guarantee of Ginnie Maes by GNMA,
foreclosures impose no risk to the principal invested.
 
    The average life  of pass-through pools  varies with the  maturities of  the
underlying  mortgage instruments. In addition, a pool's term may be shortened by
unscheduled or  early  payments of  principal  and interest  on  the  underlying
mortgages.  The  occurrence  of  mortgage  prepayments  is  affected  by factors
including the level of interest rates, general economic conditions, the location
and age  of  the  mortgage  and other  social  and  demographic  conditions.  As
prepayment  rates  vary widely,  it is  not possible  to accurately  predict the
average life of a particular pool. However, statistics indicate that the average
life  of  the  type  of  mortgages  backing  the  majority  of  Ginnie  Maes  is
approximately 12 years. For this reason, it is standard practice to treat Ginnie
Maes as 30-year mortgage-backed securities that
 
                                      B-2
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prepay  fully in the twelfth  year. Pools of mortgages  with other maturities or
different characteristics will  have varying assumptions  for average life.  The
assumed average life of pools of mortgages having terms of less than 30 years is
less than 12 years, but typically not less than 5 years.
 
    The  coupon rate of interest on Ginnie  Maes is lower than the interest rate
paid on the VA-guaranteed or FHA-insured mortgages underlying the  certificates,
but only by the amount of the fees paid to GNMA and the issuer. Such fees in the
aggregate usually amount to approximately 1/2 of 1%.
 
    Yields on pass-through securities are typically quoted by investment dealers
and  vendors  based  on  the  maturity of  the  underlying  instruments  and the
associated average-life assumption.  In periods of  falling interest rates,  the
rate of prepayment tends to increase, thereby shortening the actual average life
of  a  pool of  mortgage-related securities.  Conversely,  in periods  of rising
rates, the rate of prepayment tends to decrease, thereby lengthening the  actual
average  life of the pool. Prepayments  generally occur when interest rates have
fallen. Reinvestments of prepayments at such times will be at lower rates, which
would lower the return of the Portfolios. The actual yield of each Ginnie Mae is
influenced by  the prepayment  experience of  the mortgage  pool underlying  the
certificates  and may differ from  the yield based on  the assumed average life.
Interest on  Ginnie  Maes is  paid  monthly  rather than  semi-annually  as  for
traditional bonds.
 
                            INVESTMENT RESTRICTIONS
 
FUNDAMENTAL POLICIES
 
    In  seeking  to  achieve  its investment  objective(s),  each  Portfolio has
adopted the following  investment restrictions. These  are fundamental  policies
and may not be changed without a majority vote of the outstanding shares of each
Portfolio  affected. As used in this  Statement of Additional Information and in
the Prospectus, the phrase  "majority vote" of a  Portfolio (or the Fund)  means
the  vote of the lesser of (i) 67% of the shares of the Portfolio (Fund) present
at a meeting  if the  holders of  more than 50%  of the  outstanding shares  are
present  in person or by proxy, or (ii)  more than 50% of the outstanding shares
of the  Portfolio (Fund).  A  change in  policy by  only  one Portfolio  may  be
effected by a majority vote of the outstanding shares of that Portfolio.
 
    Except as noted below, each Portfolio may not:
 
   
    1.  As to 75% of the value of each Portfolio's total assets (except 100% for
the  Money Market Portfolio), purchase securities of any issuer (other than U.S.
Government securities or  government agency  securities) if, as  a result,  more
than  5% of the value of  the Portfolio's assets (taken at  value at the time of
investment) would be invested in securities of that issuer.
    
 
    2.  Purchase more than 10% of the voting securities or more than 10% of  any
class  of  securities of  any  issuer. (For  this  purpose all  outstanding debt
securities of an issuer are considered as one class and all preferred stocks  of
an issuer are considered as one class.)
 
    3.   Concentrate its investments in any one industry; however, it may invest
up to 25% of the value of its assets in any one industry. This restriction  does
not  apply to  U.S. Government securities  or government  agency securities (or,
with respect to  the Money  Market Portfolio,  obligations of  banks or  savings
institutions),  or  to instruments,  such as  repurchase agreements,  secured by
these instruments.
 
    4.  Purchase securities of other investment companies except by purchase  in
the  open market involving only customary  brokers' commissions (and in no event
to the extent of more than 5% of the value of the Portfolio's total assets),  or
as part of a merger, consolidation or acquisition of assets.
 
                                      B-3
<PAGE>
    5.   Purchase or sell (although it  may purchase securities of issuers which
invest or  deal  in) interests  in  oil, gas  or  other mineral  exploration  or
development programs, real estate, commodities or commodity contracts.
 
    6.   Purchase any securities on margin (except that the Portfolio may obtain
such short-term credit as  may be necessary for  the clearance of purchases  and
sales  of portfolio  securities) or  make short sales  unless, by  virtue of its
ownership of other securities, it has the right to obtain securities  equivalent
in  kind and amount to the securities sold and, if the right is conditional, the
sale is made upon the same condition.
 
    7.  Purchase or retain the securities  of any issuer if any of the  officers
or directors of the Fund or of its investment adviser own individually more than
one-half of 1% of the securities of such issuer and together own more than 5% of
the securities of such issuer.
 
    8.   Issue senior securities, except as appropriate to evidence indebtedness
which a Portfolio is permitted to incur pursuant to (9) below.
 
    9.  Borrow money, except from banks for temporary or emergency purposes, and
in no event in excess of 5% of its total net assets, or pledge or mortgage  more
than 15% of its gross assets.
 
   
    10.  Underwrite securities issued by others, except that it may be deemed to
be a statutory underwriter  in the sale of  any so-called restricted  securities
which require registration under the Securities Act of 1933. In this connection,
the  Money Market Portfolio or the Blue Chip Portfolio will not invest more than
10% of the value of its total assets in securities that are subject to legal  or
contractual restrictions on resale, or are not readily marketable.
    
 
   
    11.  Participate on a  joint (or a  joint and several)  basis in any trading
account in securities (but  this does not include  the "bunching" of orders  for
the  sale or purchase of portfolio securities  with the other Portfolios or with
other investment company and  client accounts managed  by the Fund's  investment
adviser  or  its  affiliates to  reduce  brokerage commissions  or  otherwise to
achieve best  overall  execution, or  to  obtain securities  on  more  favorable
terms).
    
 
   
    12.  Alone, or together with any  other Portfolios, make investments for the
purpose of exercising control over, or management of, any issuer.
    
 
   
    13. Lend money or securities, except  as provided in (14) below (the  making
of  demand deposits with  banks, and the  purchase of securities  such as bonds,
debentures, commercial paper and short-term  obligations in accordance with  the
Portfolio's  investment  objectives and  policies, shall  not be  considered the
making of a loan). In addition, each  Portfolio may not invest more than 10%  of
its  total  assets (taken  at  market value  at the  time  of each  purchase) in
repurchase agreements maturing in more than seven days.
    
 
   
    14. Lend its portfolio securities in excess of 20% of its net assets.
    
 
   
    15. Invest in foreign  securities, except as follows:  the Value Growth  and
Managed Portfolios may each invest up to 25% of its net assets in foreign equity
and  debt securities traded on  U.S. exchanges and payable  in U.S. dollars, and
the High Grade Bond and High Yield Bond Portfolios may each invest up to 25%  of
its  net assets in foreign debt securities  traded on U.S. exchanges and payable
in U.S. dollars.
    
 
   
    16. Write, purchase or sell puts, calls or combinations thereof, other  than
writing covered call options.
    
 
                                      B-4
<PAGE>
   
    17.  Invest more than 5%  of the value of its  total assets in securities of
companies which have  a record of  less than three  years continuous  operation,
including  in  such three  years  the operation  of  any predecessor  company or
companies,  partnership  or  individual  proprietorship  if  the  company  whose
securities  are to be purchased by the Fund  has come into existence as a result
of a merger, consolidation  or reorganization or  the purchase of  substantially
all of the assets of such predecessor.
    
 
   
NON-FUNDAMENTAL (OPERATING) POLICIES
    
 
    The following are non-fundamental (operating) policies approved by the Board
of  Directors. Such policies  may be changed  by the Board  of Directors without
approval of the Shareholders.
 
   
    The Value Growth, High  Grade Bond, High Yield  Bond and Managed  Portfolios
shall not:
    
 
   
    (a) invest more than 15% of its total net assets in illiquid securities.
    
 
   
    The Value Growth Portfolio shall not:
    
 
   
    (b)  purchase warrants, valued at the lower  of cost or market, in excess of
5% of the value of the Portfolio's net assets. Included within that amount,  but
not  to exceed 2%  of the value of  the Portfolio's net  assets, may be warrants
that are  not  listed on  the  New York  or  American Stock  Exchange.  Warrants
acquired by the Portfolio at any time in units or attached to securities are not
subject to this restriction.
    
 
    The   term  "government  agency  securities"   for  purposes  of  investment
restriction 3  has the  same meaning  as that  set forth  in Appendix  A to  the
Prospectus.  The term "commodities or commodity contracts" as used in investment
restriction 5 includes futures contracts.
 
    If a percentage increase is  adhered to at the  time of investment, a  later
increase  or decrease in percentage beyond  the specified limit resulting from a
change in values or net assets will not be considered a violation.
 
                             OFFICERS AND DIRECTORS
 
    The officers  and directors  of  the Fund,  their  age and  their  principal
occupations  for  the past  five  years are  set  forth below,  though corporate
positions may, in some instances, have  changed during this period. The  address
of  the officers of  the Fund is  5400 University Avenue,  West Des Moines, Iowa
50266. The directors  listed with an  asterisk are "interested  persons" of  the
Fund as defined in the Investment Company Act of 1940.
 
   
EDWARD M. WIEDERSTEIN*, PRESIDENT AND DIRECTOR (48)
    
 
   
    Farmer;  Chairman, FBL Financial  Group, Inc.; President  and Director, Iowa
    Farm Bureau  Federation,  Farm  Bureau  Life  Insurance  Company,  Universal
    Assurors  Life Insurance Company, FBL Insurance Brokerage, Inc., Farm Bureau
    Mutual Insurance Company, Utah Farm Bureau Insurance Company, FBL  Financial
    Services, Inc., BIC, Inc. and Farm Bureau Agricultural Business Corporation;
    Director,  Western Farm  Bureau Management Corporation,  Western Farm Bureau
    Life Insurance  Company, Western  Agricultural Insurance  Company,  American
    Agricultural Insurance Company and Multi-Pig Corporation.
    
 
   
RICHARD D. HARRIS*, SENIOR VICE PRESIDENT, SECRETARY-TREASURER AND DIRECTOR (52)
    
 
   
    Senior  Vice President  and Secretary-Treasurer, FBL  Financial Group, Inc.,
    Western Farm  Bureau  Life Insurance  Company,  Farm Bureau  Life  Insurance
    Company, Universal Assurors Life Insurance
    
 
                                      B-5
<PAGE>
    Company,  Farm Bureau Mutual  Insurance Company, Utah  Farm Bureau Insurance
    Company, FBL Financial  Services, Inc.  and FBL  Insurance Brokerage,  Inc.;
    Executive  Director  and Secretary-Treasurer,  Iowa Farm  Bureau Federation;
    Senior Vice President and  Assistant Secretary-Treasurer, South Dakota  Farm
    Bureau  Mutual Insurance Company; Vice  President and Treasurer, Farm Bureau
    Management Corporation; Former Director,  Public Policy Division, Iowa  Farm
    Bureau  Federation;  Director,  Iowa  FFA  Foundation  and  Iowa Make-A-Wish
    Foundation.
 
   
STEPHEN M. MORAIN*, SENIOR VICE PRESIDENT, GENERAL COUNSEL, ASSISTANT SECRETARY
AND DIRECTOR (51)
    
 
   
    General Counsel  and  Assistant  Secretary,  Iowa  Farm  Bureau  Federation;
    General Counsel, Secretary and Director, Farm Bureau Management Corporation;
    Senior  Vice President and General Counsel,  FBL Financial Group, Inc., Farm
    Bureau Life Insurance  Company, Universal Assurors  Life Insurance  Company,
    Farm  Bureau Mutual Insurance  Company, Utah Farm  Bureau Insurance Company,
    FBL Financial Services, Inc., FBL Insurance Brokerage, Inc. and South Dakota
    Farm Bureau Mutual Insurance Company; Senior Vice President, General Counsel
    and Director,  FBL  Investment Advisory  Services,  Inc. and  FBL  Marketing
    Services, Inc.; Vice President and General Counsel, Western Farm Bureau Life
    Insurance  Company; Director, Computer Aided  Design Software, Inc. and Iowa
    Business Development Finance Corporation; Chairman, Edge Technologies, Inc.
    
 
   
THOMAS R. GIBSON, EXECUTIVE VICE PRESIDENT AND GENERAL MANAGER (52)
    
 
   
    Executive Vice President, General Manager  and Chief Executive Officer,  FBL
    Financial  Group, Inc.; Executive  Vice President and  General Manager, Farm
    Bureau Life Insurance  Company, Universal Assurors  Life Insurance  Company,
    Western  Farm Bureau  Life Insurance  Company, Farm  Bureau Mutual Insurance
    Company, Utah Farm Bureau Insurance Company, FBL Insurance Brokerage,  Inc.,
    FBL  Financial Services, Inc., and South Dakota Farm Bureau Mutual Insurance
    Company;  Executive  Vice  President,  General  Manager  and  Director,  FBL
    Investment Advisory Services, Inc. and FBL Marketing Services, Inc.
    
 
   
TIMOTHY J. HOFFMAN, VICE PRESIDENT, CHIEF MARKETING OFFICER (46)
    
 
   
    Vice  President, Chief  Marketing Officer,  FBL Financial  Group, Inc., Farm
    Bureau Life Insurance  Company, Universal Assurors  Life Insurance  Company,
    Western  Farm Bureau  Life Insurance  Company, Farm  Bureau Mutual Insurance
    Company, Utah Farm Bureau Insurance  Company, FBL Financial Services,  Inc.,
    South  Dakota  Farm  Bureau  Mutual  Insurance  Company  and  FBL  Insurance
    Brokerage, Inc.; President  and Director, FBL  Marketing Services, Inc.  and
    FBL  Educational Services, Inc.; Vice President, Chief Marketing Officer and
    Director, FBL Investment Advisory Services, Inc.
    
 
   
WILLIAM J. ODDY, VICE PRESIDENT, CHIEF OPERATING OFFICER AND ASSISTANT GENERAL
MANAGER (52)
    
 
   
    Vice President, Chief Operating Officer  and Assistant General Manager,  FBL
    Financial  Group,  Inc.,  Farm  Bureau  Life  Insurance  Company,  Universal
    Assurors Life Insurance Company, Western Farm Bureau Life Insurance Company,
    FBL Insurance  Brokerage, Inc.,  Utah Farm  Bureau Insurance  Company,  Farm
    Bureau  Mutual Insurance Company, South  Dakota Farm Bureau Mutual Insurance
    Company  and  FBL  Financial   Services,  Inc.;  President,  and   Director,
    Communications Providers,
    
 
                                      B-6
<PAGE>
   
    Inc.; Vice President, Chief Operating Officer, Assistant General Manager and
    Director, FBL Investment Advisory Services, Inc. and FBL Marketing Services,
    Inc.; President and Director, FBL Real Estate Ventures, Ltd. and RIK, Inc.
    
 
   
RICHARD D. WARMING, VICE PRESIDENT, CHIEF INVESTMENT OFFICER (63)
    
 
   
    Vice  President,  Chief  Investment  Officer  and  Assistant  Treasurer, FBL
    Financial  Group,  Inc.,  Farm  Bureau  Life  Insurance  Company,  Universal
    Assurors Life Insurance Company, Western Farm Bureau Life Insurance Company,
    FBL  Insurance  Brokerage, Inc.,  Utah  Farm Bureau  Insurance  Company, FBL
    Financial Services, Inc.,  Farm Bureau  Mutual Insurance  Company and  South
    Dakota  Farm Bureau  Mutual Insurance  Company; President  and Director, FBL
    Leasing Services,  Inc. and  FBL Investment  Advisory Services,  Inc.;  Vice
    President,  Chief Investment  Officer and Director,  FBL Marketing Services,
    Inc.; Vice  President,  Secretary  and Director,  RIK,  Inc;  Secretary  and
    Director, FBL Real Estate Ventures, Ltd.
    
 
   
JAMES W. NOYCE, VICE PRESIDENT, CHIEF FINANCIAL OFFICER (40)
    
 
   
    Vice  President, Chief  Financial Officer,  FBL Financial  Group, Inc., Farm
    Bureau Life Insurance  Company, Universal Assurors  Life Insurance  Company,
    Western  Farm Bureau  Life Insurance  Company, Farm  Bureau Mutual Insurance
    Company, Utah Farm Bureau Insurance Company, FBL Insurance Brokerage,  Inc.,
    FBL  Financial Services, Inc. and South  Dakota Farm Bureau Mutual Insurance
    Company; Vice President, Treasurer and Director; FBL Leasing Services,  Inc.
    and  RIK,  Inc.;  Vice  President, Chief  Financial  Officer,  Treasurer and
    Director, FBL Investment Advisory Services, Inc. and FBL Marketing Services,
    Inc.; Treasurer and Director, FBL Real Estate Ventures, Ltd.
    
 
   
DENNIS M. MARKER, INVESTMENT VICE PRESIDENT, ADMINISTRATION AND ASSISTANT
SECRETARY (45)
    
 
   
    Investment Vice President, Administration,  FBL Financial Group, Inc.,  Farm
    Bureau  Life Insurance  Company, Universal Assurors  Life Insurance Company,
    Western Farm Bureau Life Insurance  Company, FBL Insurance Brokerage,  Inc.,
    Farm Bureau Mutual Insurance Company, Utah Farm Bureau Insurance Company and
    South  Dakota  Farm  Bureau  Mutual Insurance  Company;  Vice  President and
    Director,  FBL   Leasing   Services,  Inc.;   Investment   Vice   President,
    Administration,  Secretary and  Director, FBL  Investment Advisory Services,
    Inc. and FBL Marketing Services, Inc.
    
 
   
SUE A. CORNICK, MARKET CONDUCT AND MUTUAL FUNDS VICE PRESIDENT AND ASSISTANT
SECRETARY (36)
    
 
   
    Market Conduct and Mutual Funds Vice President and Assistant Secretary,  FBL
    Investment Advisory Services, Inc. and FBL Marketing Services, Inc.
    
 
   
KRISTI ROJOHN, ASSISTANT SECRETARY (33)
    
 
   
    Senior Compliance Assistant and Assistant Secretary, FBL Investment Advisory
    Services, Inc. and FBL Marketing Services, Inc.
    
 
                                      B-7
<PAGE>
   
ELAINE A. FOLLOWWILL, ASSISTANT SECRETARY (26)
    
 
   
    Compliance  Assistant  and  Assistant  Secretary,  FBL  Investment  Advisory
    Services, Inc. and FBL Marketing Services, Inc.
    
 
   
DONALD G. BARTLING, DIRECTOR (69)
    
 
   
    Farmer; Partner, Bartling Brothers Partnership (farming business); Director,
    Papio Missouri River Natural Resources District.
    
 
   
JOHN R. GRAHAM*, DIRECTOR (51)
    
 
   
    Executive Vice President, Kansas Farm  Bureau, Kansas Farm Bureau  Services,
    Kansas  Agricultural  Marketing Association,  FB Services  Insurance Agency,
    Kansas Farm Bureau Life Insurance Company, The Farm Bureau Mutual  Insurance
    Company,  Inc.,  Kansas  Farm  Bureau  Reinsurance  Company,  Inc.  and  KFB
    Insurance Company, Inc.; Chairman, Chief Executive Officer and Director,  FB
    Capital  Management,  Inc.  of  Kansas;  Director,  National  Association of
    Independent Insurers, Didde  Corporation, and Farm  Bureau Mutual  Insurance
    Agency of Kansas; Partner, Arthur-Graham Rental Properties, CM Brass and G&H
    Real  Estate Investments;  Trustee, Master Teacher  Employee Benefit Pension
    Trust.
    
 
   
ERWIN H. JOHNSON, DIRECTOR (53)
    
 
   
    Farmer; Owner and Manager, Center  View Farms Co.; Director, First  Security
    Bank  and  Trust  Co.,  Charles  City,  Iowa;  Farm  Associate,  Iowa  State
    University Cooperative Extension Service; Voting Delegate, former  President
    and  Director,  Floyd  County  Farm Bureau;  Financial  and  Farm Management
    Consultant; Iowa State University Overseas Projects.
    
 
   
ANN JORGENSEN, DIRECTOR (55)
    
 
   
    Private Investor; Farm  and Business Management;  Partner, Jorg-Anna  Farms;
    President  and Founder, Farm  Home Offices; Vice  President, Timberlane Hogs
    Limited; Director,  Iowa Department  of Economic  Development;  Chairperson,
    Rural  Development  Council;  Member,  Iowa  Agriculture  Products  Advisory
    Council;  Secretary,  Iowa  Public   Television  Foundation,  Iowa   Freedom
    International  Foundation,  Friends  of the  U.I.H.C.;  Former  Director and
    Chairperson, Iowa's Alcoholic  Beverage Control  Commission; Former  Regent,
    State  of Iowa Board of Regents; Former Director, Iowa Public Television and
    University of Iowa Hospitals and Clinics.
    
 
   
CURTIS C. PIETZ, DIRECTOR (65)
    
 
   
    Farmer; Director and Part  Owner, Storden Seed  and Chemical Service,  Inc.;
    Director,  Minnesota  Rural  Finance  Authority;  Former  Program Evaluator,
    Minnesota Department  of  Vocational Education;  Former  President,  Jackson
    County  Farm Bureau; Former Chairman and Director, Southwest Farm Management
    Association; Director, F.C.S.
    
 
                                      B-8
<PAGE>
   
KENNETH KAY, DIRECTOR (53)
    
 
   
    Farmer; Salesman, Pioneer  Seed Corn;  Voting Delegate,  Vice President  and
    former  President, Cass County Farm Bureau; Director, First Whitney Bank and
    Trust;  Board  Member,  Transportation  Committee  Chairman,  Cass  Atlantic
    Development Corporation.
    
 
   
    The  officers and directors of the Fund  also serve in similar capacities as
officers and  directors of  FBL Money  Market Fund,  Inc., and  as officers  and
trustees  of FBL  Variable Insurance  Series Fund.  Several of  the officers and
directors of the Fund are also officers  and directors of the Adviser. The  Fund
pays  no direct remuneration to  any officer of the  Fund. Each of the directors
who is not affiliated with the Adviser receives a fee of $115 plus expenses  for
each  directors'  meeting attended.  For the  fiscal year  ended July  31, 1996,
directors fees paid by the Fund totalled $2,645.
    
 
   
    The following table sets forth the compensation received by all Directors of
the Fund, for the fiscal year ended  July 31, 1996. The information in the  last
column  of the table sets forth the total compensation received by all Directors
for calendar year 1995 for services as a Director of the Fund and other funds in
the FBL Family.
    
 
   
<TABLE>
<CAPTION>
                                 AGGREGATE      PENSION AND RETIREMENT BENEFITS  TOTAL COMPENSATION
                             COMPENSATION FROM      ACCRUED AS PART OF FUND       FROM ALL FUNDS IN
     NAME OF DIRECTOR            THE FUND                  EXPENSES                THE FBL FAMILY
- ---------------------------  -----------------  -------------------------------  -------------------
<S>                          <C>                <C>                              <C>
Donald G. Bartling               $     460                         0                  $   1,380
John R. Graham                         460                         0                      1,380
Erwin H. Johnson                       345                         0                      1,380
Ann Jorgensen                          460                         0                      1,380
Eugene R. Maahs                          0                         0                          0
Stephen M. Morain                        0                         0                          0
Dale W. Nelson                         460                         0                      1,380
Curtis C. Pietz                        460                         0                      1,380
Edward M. Wiederstein                    0                         0                          0
</TABLE>
    
 
   
    As of August 15, 1996, the officers and directors as a group owned less than
1% of the then outstanding shares of the Fund.
    
 
                               INVESTMENT ADVISER
 
   
    The following  information  supplements the  information  set forth  in  the
Prospectus  under "Management of the Fund -- Investment Adviser." Pursuant to an
Investment Advisory and  Management Services Agreement  dated November 11,  1987
("Agreement"),  FBL Investment Advisory Services,  Inc. ("FBL" or the "Adviser")
acts as the Fund's investment adviser and  manager subject to the review of  the
Fund's  Board  of Directors.  The Adviser  is a  wholly-owned subsidiary  of FBL
Financial Services, Inc., which is a wholly-owned subsidiary of Farm Bureau Life
Insurance Company, an Iowa insurance company, which is a wholly-owned subsidiary
of FBL Financial  Group, Inc.,  an Iowa  corporation, 54%  of whose  outstanding
voting  shares  are  in turn  owned  by  Iowa Farm  Bureau  Federation,  an Iowa
not-for-profit corporation. The Adviser  also acts as  an investment adviser  to
individuals,  institutions and  two other mutual  funds: FBL  Money Market Fund,
Inc. and  FBL Variable  Insurance Series  Fund. Personnel  of the  Adviser  also
manage investments for the portfolios of insurance companies.
    
 
    The  Adviser subscribes  to leading  bond information  services and receives
published reports and  statistical compilations  from the  issuers directly,  as
well as analyses from brokers and dealers who may execute portfolio transactions
for  the  Fund  or  the  Adviser's  other  clients.  The  Adviser  regards  this
information and material, however, as an adjunct to its own research activities.
 
                                      B-9
<PAGE>
    Under the Agreement, the Adviser regularly provides the Fund with investment
research, advice and supervision, and furnishes an investment program consistent
with the investment objectives and  policies of each Portfolio, determining  for
each  Portfolio, what securities shall be purchased and sold and what portion of
the Portfolio's assets  shall be  held uninvested,  subject always  to: (i)  the
provisions  of the articles of incorporation, the Fund's by-laws, the Investment
Company Act of 1940  and applicable requirements of  the Internal Revenue  Code;
(ii) the Portfolio's investment objectives, policies and restrictions; and (iii)
such  policies and instructions as the Board  of Directors may from time to time
establish. The Adviser  also advises  and assists the  officers of  the Fund  in
taking  such steps as are necessary or appropriate to carry out the decisions of
the Board of Directors (and any committees thereof) regarding the conduct of the
business of the Fund. The Adviser has agreed to arrange for any of its  officers
or  directors to serve  without salary as  directors, officers or  agents of the
Fund if duly elected to such positions.
 
    The Adviser,  at its  expense,  furnishes the  Fund  with office  space  and
facilities,  simple  business  equipment,  advisory,  research  and  statistical
facilities, and  clerical  services and  personnel  to administer  the  business
affairs  of the  Fund. As  compensation for  the Adviser's  investment advisory,
management and clerical services, as well as the facilities it provides and  the
expenses  it assumes, the Agreement provides for the payment of a monthly fee as
described in the Prospectus.
 
    The Adviser is not required to pay expenses of the Fund other than those set
forth above.  Each  Portfolio  will  pay all  other  expenses  incurred  in  its
operation,  including a portion  of the Fund's  general administrative expenses,
allocated on the basis of the Portfolio's net asset value. Expenses that will be
borne directly by the Portfolios include, but are not limited to, the following:
net asset  value calculations;  portfolio transaction  costs; interest  on  Fund
obligations;  stock  certificates; miscellaneous  reports; membership  dues; all
expenses of shareholders' and directors' meetings and of preparing, printing and
mailing proxy statements, reports and  notices to shareholders; all expenses  of
registering  the  Fund's shares  under federal  and  state securities  laws; the
typesetting  costs  of  printing  Fund  prospectuses  and  supplements  thereto;
investor  services (including  allocable telephone and  personnel expenses); all
taxes and fees payable to federal, state or other governmental authorities;  the
fees  and  expenses of  independent public  auditors, legal  counsel, custodian,
dividend disbursing and transfer agent; fees of directors who are not affiliated
with the Adviser; insurance premiums for fidelity bond and other coverage of the
Fund's operations;  and  such  non-recurring expenses  as  may  arise  including
actions,  suits or proceedings  affecting the Fund and  the legal obligation the
Fund may have to indemnify its officers and directors with respect thereto.  See
"Underwriting  and Distribution  Expenses" and "Other  Information -- Accounting
Services" for a description of certain other Fund expenses.
 
    The  Agreement  was  approved  on  November  11,  1987  by  a  vote  of  the
shareholders of Farm Bureau Growth Fund, Inc.(1) and on December 1, 1987 by Farm
Bureau  Life Insurance Company as the then sole shareholder of each of the other
seven Portfolios of the Fund, and was most recently approved for continuance  on
August  17, 1995, by the  Board of Directors, including a  vote of a majority of
the Directors
 
- ------------------------
   
    (1) The Fund,  which was incorporated  in Maryland on  August 14, 1970,  was
known as Farm Bureau Growth Fund, Inc. prior to the effectiveness of Articles of
Amendment  to its charter on December 1, 1987 which, among other things, changed
its name to FBL Series Fund, Inc.  and established eight Portfolios of the  Fund
and  designated the  then current assets,  liabilities and  shareholders of Farm
Bureau Growth Fund,  Inc. as  the assets,  liabilities and  shareholders of  the
Growth  Common  Stock  Portfolio  (which has  since  been  renamed  Value Growth
Portfolio) of  FBL Series  Fund, Inc.  The  meaning of  the term  "Value  Growth
Portfolio"  as used herein includes, where appropriate, Farm Bureau Growth Fund,
Inc. prior to December 1, 1987.
    
 
                                      B-10
<PAGE>
who are  not "interested  persons"  of either  party  to the  Agreement.  Unless
earlier terminated as described below, the Agreement will remain in effect until
November  30,  1996. Thereafter,  the Agreement  will  continue in  effect, with
respect to  a Portfolio,  from  year to  year so  long  as its  continuation  is
approved  at least annually by (a) the vote of a majority of those Directors who
are not parties to the Agreement or "interested persons" of either party to  the
Agreement  cast in person at a meeting called  for the purpose of voting on such
approval, and (b) either (i) the vote of a majority of the Directors or (ii) the
vote of a majority of the outstanding shares of such Portfolio.
 
    The Agreement  will be  deemed to  have been  approved (or  amended) by  the
shareholders  of any Portfolio if  a majority of the  outstanding shares of that
Portfolio vote for approval (or amendment) of the Agreement, notwithstanding (a)
that the Agreement  has not  been approved  (or amended)  by a  majority of  the
outstanding  shares of any other  Portfolio, and (b) that  the Agreement has not
been approved (or amended) by a vote of a majority of the outstanding shares  of
the  Fund. The Agreement may  be terminated without penalty  at any time upon 60
days' notice by either party, and will terminate automatically upon assignment.
 
    The Agreement provides that the Adviser shall not be liable for any error of
judgment or mistake of law  or for any loss suffered  by the Fund in  connection
with  matters  to which  the  Agreement relates,  except  a loss  resulting from
willful misfeasance, bad faith or gross negligence on the part of the Adviser in
the performance of its duties, or from reckless disregard by the Adviser of  its
obligations and duties under the Agreement.
 
    Officers   and  employees  of  the  Adviser  from  time  to  time  may  have
transactions with various banks, including the Fund's custodian bank. It is  the
Adviser's opinion that the terms and conditions of such transactions will not be
influenced by existing or potential custodial or other Fund relationships.
 
   
    The  investment advisory  and management  fee expense  for the  fiscal years
ended July  31,  1996,  1995  and 1994  was  $404,117,  $331,615  and  $294,555,
respectively,  for  the Value  Growth Portfolio;  $34,843, $31,381  and $30,712,
respectively, for the High Grade  Bond Portfolio; $37,339, $35,015 and  $33,735,
respectively, for the High Yield Bond Portfolio; $148,741, $118,526 and $85,361,
respectively,   for  the  Managed  Portfolio;   $10,012,  $10,035  and  $10,596,
respectively, for the Money Market Portfolio; and $30,418, $19,647 and  $14,982,
respectively, for the Blue Chip Portfolio.
    
 
                PORTFOLIO TRANSACTIONS AND BROKERAGE COMMISSIONS
 
    With  respect  to transactions  in portfolio  securities, whether  through a
broker as agent or with a dealer  as principal, the Adviser endeavors to  obtain
for  the  Fund the  most  favorable prices  and  efficient execution  of orders.
Subject to  this primary  consideration,  the Adviser  may place  a  Portfolio's
transactions  with firms that furnish  research, statistical and other services.
In particular,  the Adviser  may  direct brokerage  transactions to  a  specific
broker  in  return  for  certain data  and  research-oriented  software. Certain
affiliates of the Adviser also place portfolio transactions with these brokerage
firms, and such affiliates share the benefits of the research and other services
obtained from these brokers.
 
    Brokerage research services, as provided in Section 28(e) of the  Securities
Exchange  Act  of 1934,  include:  advice as  to  the value  of  securities, the
advisability  of  investing  in,  purchasing  or  selling  securities,  and  the
availability  of securities or  purchasers or sellers  of securities; furnishing
analyses and reports concerning issues, industries, securities, economic factors
and trends; portfolio strategy and performance of accounts; and the execution of
securities transactions and performance of functions incidental thereto (such as
clearance and settlement).
 
                                      B-11
<PAGE>
   
    The Fund paid brokerage commissions during  the fiscal years ended July  31,
1996,  1995  and  1994 of  $262,465,  $199,427 and  $156,305,  respectively. The
Adviser regards information  that is  customarily available only  in return  for
brokerage  as among the many elements to be considered in arriving at investment
decisions. No specific  value can be  determined for most  such information  and
services  and they are deemed  supplemental to the Adviser's  own efforts in the
performance of its duties under  the investment advisory agreement. Neither  the
Adviser  nor any of  its affiliates will receive  any brokerage business arising
out of the portfolio transactions of the Fund.
    
 
    If, in  the judgment  of the  Adviser, the  Fund or  any Portfolio  will  be
benefited  by such supplemental research services, the Fund or such Portfolio is
authorized to pay greater spreads or  commissions than another broker or  dealer
may  charge for the  same transaction. Accordingly,  while the Adviser generally
seeks reasonably competitive  spreads or  commissions, the  Portfolios will  not
necessarily  be paying the lowest spread  or commission available in every case.
The expenses of the Adviser will not  necessarily be reduced as a result of  the
receipt of such supplemental information.
 
    The  Portfolios may deal in some instances in securities that are not listed
on a national securities exchange but rather are traded in the  over-the-counter
market.  The Portfolios may  also purchase listed  securities through the "third
market." Where transactions are executed in the over-the-counter market or third
market, the  Adviser will  seek to  deal with  primary market  makers but,  when
necessary,  will utilize the services of brokers. In all such cases, the Adviser
will attempt to negotiate the best price and execution. Money market instruments
are generally traded directly with the issuer. On occasion, other securities may
be purchased directly  from the  issuer. The  cost of  a Portfolio's  securities
transactions  will  consist  primarily  of brokerage  commissions  or  dealer or
underwriter spreads.
 
    Certain investments may be appropriate for certain of the Portfolios and for
other clients advised by  the Adviser. Investment  decisions for the  Portfolios
and  such  other clients  are made  with  a view  to achieving  their respective
investment objectives and after consideration  of factors such as their  current
holdings,  availability of cash for investment and the size of their investments
in general. Frequently, 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. Likewise, a particular security may be bought for one or
more clients  when  one or  more  other clients  are  selling the  security.  In
addition,  purchases or sales of  the same security may be  made for two or more
Portfolios or other clients at the  same time. In such event, such  transactions
will  be allocated among the Portfolios or other clients in a manner believed by
the Adviser 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
Portfolio.  It  is the  opinion  of the  Board  of Directors  that  the benefits
available because of the Adviser's organization outweigh any disadvantages  that
may  arise from exposure to simultaneous  transactions. Purchase and sale orders
for a Portfolio may be combined with those of other Portfolios or other  clients
of  the  Adviser  in the  interest  of the  most  favorable net  results  to the
Portfolio.
 
                     UNDERWRITING AND DISTRIBUTION EXPENSES
 
    FBL Investment Advisory  Services, Inc. (the  "Distributor") also serves  as
principal  underwriter  for  the  Fund  under  an  Underwriting  Agreement dated
December 31, 1983, and as distributor of the Fund's shares under a  Distribution
Plan  and  Agreement  dated  December  1, 1987,  as  amended  November  25, 1991
("Distribution  Agreement").  See  "General  Information--Distributor"  in   the
Prospectus.  The  Distributor  bears  all  its  expenses  of  providing services
pursuant  to  the   Distribution  Agreement,  including   the  payment  of   any
commissions,   the  preparation   and  distribution  of   advertising  or  sales
literature, and bears the cost of  printing and mailing prospectuses to  persons
other than shareholders. The Fund bears
 
                                      B-12
<PAGE>
the  cost of qualifying and maintaining the qualification of its shares for sale
under the securities laws of the  various states and the expense of  registering
its shares with the Securities and Exchange Commission.
 
    The  Distribution Agreement continues in effect from year to year so long as
such continuance  is approved  at  least annually  by a  vote  of the  Board  of
Directors  of the Fund, including the Directors who are not "interested persons"
of the  Fund and  who  have no  direct or  indirect  financial interest  in  the
agreement.  The Distribution Agreement automatically  terminates in the event of
its assignment and may be terminated at any time without penalty by the Fund  or
by  the Distributor upon six  months' notice. Termination by  the Fund may be by
vote of a majority of the Board of Directors, or a majority of the Directors who
are not "interested  persons" of the  Fund and  who have no  direct or  indirect
financial  interest  in  the  Distribution  Agreement,  or  a  "majority  of the
outstanding voting  securities" of  the  Fund as  defined under  the  Investment
Company  Act of 1940. The Distribution Agreement  may not be amended to increase
the fee to be paid by the Fund without approval by a majority of the outstanding
voting securities of the Fund and all  material amendments must in any event  be
approved by the Board of Directors in the manner described above with respect to
the continuation of the Agreement. Shareholders vote in the aggregate and not by
Portfolio with respect to the Distribution Agreement.
 
    Pursuant  to an  action by the  Board of  Directors on August  15, 1991, the
Board approved an amendment to the  Distribution Agreement which provided for  a
reduction  in  the  distribution  services fee  and  approved  an Administrative
Services Agreement between the  Fund and the Distributor  which provides for  an
administrative  services fee to  be paid to  the Distributor. Effective November
25, 1991, the distribution services fee paid by the Fund to the Distributor  was
lowered  from  .75% to  .50% of  average daily  net  assets of  the Fund  and an
administrative services fee of .25% of average daily net assets of the Fund will
be paid by the Fund to the Distributor.
 
   
    The Fund paid annual distribution fees to the Distributor during the  fiscal
years  ended July 31,  1996, 1995 and  1994 of $678,920,  $553,282 and $477,956,
respectively. During  the fiscal  year ended  July 31,  1996, of  the  aggregate
amount  of distribution fees paid  to the Distributor, $203,609  was paid to FBL
Marketing Services, Inc., an  affiliate of the Distributor,  and the balance  of
$475,311  was retained by the Distributor. During the fiscal year ended July 31,
1996, the  Distributor  incurred  expenses in  the  approximate  amounts  noted:
$805,004 for commissions paid to Dealers for Fund sales, $189,459 for management
services,  $22,957 for  rent, $19,156 for  report costs,  $11,602 for telephone,
$7,490 for postage,  $4,672 for  printing and  office supplies,  and $3,970  for
furniture and equipment.
    
 
   
    During  the fiscal years ended July 31,  1996, 1995 and 1994 the Distributor
received $155,049, $135,141  and $49,718, respectively,  in contingent  deferred
sales charges.
    
 
    The  Distributor also acts as principal  underwriter and sole distributor of
the shares of  FBL Money  Market Fund, Inc.  and FBL  Variable Insurance  Series
Fund.
 
                           PURCHASES AND REDEMPTIONS
 
    The  following  supplements  the  discussion  in  the  Prospectus  under the
headings "How to Buy Shares" and "How to Redeem Shares."
 
    Shares of each Portfolio are sold  at their respective net asset value  next
determined after an order for purchase and payment are received in proper form.
 
    Shares  of each Portfolio  are redeemed at their  respective net asset value
next determined after a request for  redemption is received in proper form.  The
Fund  may suspend the right of redemption  or postpone the date of payment, with
respect   to   the   shares   of   a   Portfolio,   during   any   period   when
 
                                      B-13
<PAGE>
(a)  trading on the New  York Stock Exchange is  restricted as determined by the
Securities and Exchange Commission or such exchange is closed for trading (other
than customary  weekend  and  holiday  closing); (b)  an  emergency  exists,  as
determined  by  the Securities  and Exchange  Commission, as  a result  of which
disposal of such Portfolio's securities, or determination of the net asset value
of such Portfolio,  is not  reasonably practicable;  or (c)  the Securities  and
Exchange  Commission  by order  permits such  suspension  for the  protection of
Shareholders. In such event, redemption will be effected at the net asset  value
next  determined after the suspension has been terminated unless the Shareholder
has withdrawn  the  redemption request  in  writing  and the  request  has  been
received by FBL Investment Advisory Services, Inc., 5400 University Avenue, West
Des  Moines, Iowa  50266, prior to  the day  of such determination  of net asset
value.
 
                                NET ASSET VALUE
 
    The following supplements the discussion in the Prospectus under the heading
"Net Asset Value Information."
 
MONEY MARKET PORTFOLIO
 
    The net asset value per share of  the Money Market Portfolio is computed  by
dividing  the total value  of the Portfolio's securities  and other assets, less
liabilities (including dividends payable), by the number of shares  outstanding.
The assets are determined by valuing the portfolio securities at amortized cost,
pursuant  to  Rule 2a-7  under the  Investment Company  Act. The  amortized cost
method of valuation involves valuing a security at cost at the time of  purchase
and  thereafter 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 instrument.
 
    The  purpose of  the amortized  cost method  of valuation  is to  attempt to
maintain a  constant net  asset value  per  share of  $1.00. While  this  method
provides certainty in valuation, it may result in periods during which value, as
determined  by amortized cost, is  higher or lower than  the price the Portfolio
would receive if it  sold its portfolio securities.  Under the direction of  the
Board  of  Directors,  certain  procedures  have  been  adopted  to  monitor and
stabilize the price per share. Calculations are made to compare the value of the
portfolio securities,  valued  at amortized  cost,  with market  values.  Market
valuations  are obtained by  using actual quotations  provided by market makers,
estimates of  market value,  or  values obtained  from  yield data  relating  to
classes  of money market instruments published  by reputable sources at the mean
between the bid and asked prices for those instruments. If a deviation of 1/2 of
1% or more between the Portfolio's $1.00  per share net asset value and the  net
asset  value calculated by reference  to market valuations were  to occur, or if
there were any  other deviations  which the  Board of  Directors believes  would
result  in dilution or other unfair  results material to Shareholders, the Board
of Directors would consider what action, if any, should be initiated.
 
    The market  value  of  debt securities  usually  reflects  yields  generally
available  on securities  of similar  quality. When  yields decline,  the market
value of  a Portfolio  holding higher  yielding securities  can be  expected  to
increase;  when yields  increase, the  market value  of a  Portfolio invested at
lower yields can be expected to decline.  In addition, if the Portfolio has  net
redemptions  at a time when interest rates  have increased, the Portfolio may be
forced to  sell portfolio  securities prior  to maturity  at a  price below  the
Portfolio's carrying value. Also, because the Portfolio generally will be valued
at  amortized cost rather than  market value, any yield  quoted may be different
from the yield that would result if  the entire Portfolio were valued at  market
value,  since the amortized  cost method does not  take market fluctuations into
consideration.
 
                                      B-14
<PAGE>
OTHER PORTFOLIOS
 
    The  net asset value per share of each Portfolio other than the Money Market
Portfolio is computed by dividing the total value of the Portfolio's  securities
and  other  assets, less  liabilities, by  the number  of Portfolio  shares then
outstanding. Securities traded  on a national  exchange are valued  at the  last
sale  price as  of the  close of business  on the  day the  securities are being
valued, or, lacking any sales, at the mean between closing bid and asked prices.
Securities, other than money market instruments, traded in the  over-the-counter
market  are valued  at the  mean between the  bid and  asked prices  or at yield
equivalent as  obtained  from one  or  more dealers  that  make markets  in  the
securities.  Securities  traded both  in the  over-the-counter  market and  on a
national exchange are valued according  to the broadest and most  representative
market,  and it is expected that for debt securities this ordinarily will be the
over-the-counter market. Securities and assets  for which market quotations  are
not readily available are valued at fair value as determined in good faith by or
under  the direction  of the  Board of  Directors. Money  market instruments are
valued at market value, except that instruments maturing in 60 days or less  are
valued using the amortized cost method of valuation.
 
    The  proceeds  received by  each Portfolio  for  each issue  or sale  of its
shares, and all income, earnings, profits and proceeds thereof, subject only  to
the  rights  of creditors,  are allocated  specifically  to such  Portfolio, and
constitute the underlying  assets of  such Portfolio. The  underlying assets  of
each  Portfolio are segregated  on the Fund's  books of account  and are charged
with the  liabilities  of  such  Portfolio  and with  a  share  of  the  general
liabilities of the Fund. Expenses with respect to any two or more Portfolios are
allocated  in proportion  to the net  asset values of  the respective Portfolios
except where allocations of direct expenses can otherwise be fairly made.
 
                                     TAXES
 
    For federal income  tax purposes, each  Portfolio is treated  as a  separate
entity.  Each  Portfolio  intends  to  continue to  qualify  to  be  taxed  as a
"regulated investment company" under Subchapter  M of the Internal Revenue  Code
of 1986, as amended ("Code"). If a Portfolio qualifies as a regulated investment
company  and complies with  the provisions of  the Code, such  Portfolio will be
relieved from federal income tax on the part of its net ordinary income and  net
realized  capital gain that  it distributes to its  shareholders. To qualify for
treatment as a  "regulated investment  company," a Portfolio  must, among  other
things,  derive  in each  taxable year  at least  90% of  its gross  income from
dividends, interest, payments with respect  to securities loans, and gains  from
the  sale  or other  disposition of  stock or  securities or  foreign currencies
(subject to the authority  of the Secretary of  the Treasury to exclude  foreign
currency  gains that are not ancillary  to the Portfolio's principal business of
investing in stock  or securities or  options and futures  with respect to  such
stock  or securities), or other income (including  but not limited to gains from
options, futures, or forward contracts) derived with respect to its business  of
investing in such stocks, securities, or currencies. In addition, to qualify for
treatment as a "regulated investment company," a Portfolio must derive less than
30%  of its gross income in each  taxable year from gains (without deduction for
losses) from the  sale or  other disposition of  securities held  for less  than
three months. This rule may limit a Portfolio's ability to engage in futures and
options transactions.
 
    A  4% excise tax is imposed on the excess of the required distribution for a
calendar year over the distributed amount  for such calendar year. The  required
distribution  is generally the sum  of 98% of a  Portfolio's net ordinary income
for the calendar year plus 98% of its  capital gain net income for the one  year
period  ending October 31.  The Fund intends to  declare or distribute dividends
from each Portfolio during the calendar year of an amount sufficient to  prevent
imposition of the 4% excise tax.
 
                                      B-15
<PAGE>
   
    A  portion  of the  ordinary income  distributions from  a Portfolio  may be
eligible  for  the  "dividends   received  deduction"  available  to   corporate
shareholders.   The  aggregate  amount  eligible  for  the  "dividends  received
deduction" may not exceed  the aggregate qualifying  dividends received by  such
Portfolio  for the fiscal year. The portion  of the income dividends paid during
the fiscal year ended July 31,  1996 that qualified for the "dividends  received
deduction" available to corporate shareholders was as follows: 73% of the income
dividend paid December 28, 1995 by the Value Growth Portfolio; 57%, 56%, 50% and
53%  of the income dividends paid November 7, 1995, December 28, 1995, April 30,
1996, and July 31, 1996, respectively, by the Managed Portfolio; and 82% of  the
income dividend paid December 28, 1995 by the Blue Chip Portfolio.
    
 
    If  a  shareholder exchanges  shares of  a Portfolio  for shares  of another
Portfolio of the Fund, the shareholder will recognize a gain or loss for federal
income tax purposes measured by the  difference between the value of the  shares
acquired and the basis of the shares exchanged. Such gain or loss will generally
be  a  capital  gain or  loss  and  will be  a  long-term  gain or  loss  if the
shareholder has held his or her shares for more than one year. If a  shareholder
realizes a loss on the redemption of shares of a Portfolio and invests in shares
of  the  same Portfolio  within  30 days  before  or after  the  redemption, the
transactions may be subject to the  wash sale rules resulting in a  postponement
of  the  recognition of  such loss  for  federal income  tax purposes.  Any loss
recognized on the disposition of shares of  a Portfolio held six months or  less
will be treated as long-term capital loss to the extent that the shareholder has
received any long-term capital gain dividends on such shares.
 
    The discussion under "Dividends and Taxes" in the Prospectus, in conjunction
with  the foregoing, is a  general summary of applicable  provisions of the Code
and Treasury Regulations now  in effect as currently  interpreted by the  courts
and the Internal Revenue Service. The Code and these Regulations, as well as the
current  interpretations thereof,  may be  changed at  any time  by legislative,
judicial or administrative action.
 
                          DIVIDENDS AND DISTRIBUTIONS
 
    Reference is made  to the  discussion in  the Prospectus  under the  heading
"Dividends   and  Taxes"  for  a  more  complete  discussion  of  dividends  and
distributions.
 
MONEY MARKET PORTFOLIO
 
    The Portfolio declares dividends of all  its daily net investment income  on
each  day the Portfolio's net asset value per share is determined. Dividends are
payable monthly and are automatically reinvested and distributed monthly on  the
last  business day of each month in  full and fractional shares of the Portfolio
at the then-current  net asset value  unless a Shareholder  requests payment  in
cash.  Each  Shareholder  will  receive a  monthly  summary  of  the Portfolio's
activity, including information on dividends paid or reinvested.
 
    Net investment  income,  for  dividend purposes,  consists  of  (1)  accrued
interest  income, plus or minus (2) amortized purchase discount or premium, plus
or minus (3) all short-term realized gains or losses and unrealized appreciation
or depreciation  on portfolio  assets, minus  (4) all  accrued expenses  of  the
Portfolio. Expenses of the Portfolio are accrued daily. So long as the portfolio
securities   are  valued  at  amortized  cost,   there  will  be  no  unrealized
appreciation or depreciation on such securities.
 
                            PERFORMANCE INFORMATION
 
    As described  in the  Prospectus, a  Portfolio's historical  performance  or
return  may be  shown in the  form of  "average annual total  return" and "total
return"   in    the    case    of    all    Portfolios    except    the    Money
 
                                      B-16
<PAGE>
Market Portfolio; "yield" in the case of the High Grade Bond and High Yield Bond
Portfolios;  and "yield" and "effective  yield" in the case  of the Money Market
Portfolio. These various measures of performance are described below.
 
    Average annual total  return and total  return measure both  the net  income
generated  by, and  the effect  of any  realized and  unrealized appreciation or
depreciation of, the underlying  investments of a  Portfolio over the  specified
period.  Yield is a measure of the net investment income per share earned over a
specific one-month  or 30-day  period  (seven-day period  for the  Money  Market
Portfolio) expressed as a percentage of the net asset value.
 
    A Portfolio's standardized average annual total return quotation is computed
in  accordance with a method prescribed by  rules of the Securities and Exchange
Commission. The standardized average annual total  return for a Portfolio for  a
specific  period is determined  by assuming a  hypothetical $1,000 investment in
the Fund's shares on the first day of the period at the then effective net asset
value per  share ("initial  investment"), and  computing the  ending  redeemable
value  ("redeemable value")  of that  investment at the  end of  the period. The
redeemable value includes the effect of the applicable contingent deferred sales
charge that may be  imposed at the  end of the period.  The redeemable value  is
then  divided by the initial  investment, and this quotient  is taken to the Nth
root (N representing the number of years in the period) and 1 is subtracted from
the result, which  is then expressed  as a percentage.  The calculation  assumes
that  all  income  and  capital  gains  dividends  by  the  Portfolio  have been
reinvested at  net asset  value on  the reinvestment  dates during  the  period.
Standardized  average annual  total return figures  for various  periods are set
forth in the tables below. In addition, included in the table below are  figures
for  the average  annual total  return without  the deduction  of the contingent
deferred sales charge. Thus, the same formula as set forth above is used  except
that  the redeemable value has  not been reduced by  the applicable sales charge
for that period.
 
    Calculation of a Portfolio's total return  is not subject to a  standardized
formula.  Total return performance for a  specific period is calculated by first
taking an investment (assumed to  be $1,000) in the  Fund's shares on the  first
day  of the  period at the  then effective  net asset value  per share ("initial
investment") and computing the ending value ("ending value") of that  investment
at  the end of the period. The ending value may or may not include the effect of
the applicable contingent deferred sales charge  that may be imposed at the  end
of the period. The total return percentage is then determined by subtracting the
initial  investment from  the value and  dividing the difference  by the initial
investment and expressing the result  as a percentage. This calculation  assumes
that  all  income  and  capital  gains  dividends  by  the  Portfolio  have been
reinvested at net asset value on the reinvestment dates during the period. Total
return may  also be  shown as  the increased  dollar value  of the  hypothetical
investment  over the  period. Total return  figures for various  periods are set
forth in the tables below.
 
    The yield  for  a Portfolio,  other  than  the Money  Market  Portfolio,  is
computed in accordance with the formula set forth below, which is a standardized
method  prescribed by rules of the  Securities and Exchange Commission. The High
Grade  Bond   Portfolio's   yield   based   upon   the   30-day   period   ended
 
                                      B-17
<PAGE>
   
July  31,  1996 was  6.30%  and the  High Yield  Bond  Portfolio's was  8.00%. A
Portfolio's yield is computed  by dividing the net  investment income per  share
earned  during the specific one-month or 30-day period by the offering price per
share on the last day of the period, according to the following formula:
    
 
<TABLE>
    <S>       <C>  <C>              <C>
                   [(a-b +1)(6) -1]
    Yield =    2     -------------
                          cd
</TABLE>
 
<TABLE>
<C>        <S>
      a =  dividends and interest earned during the period.
 
      b =  expenses accrued for the period (net of reimbursements).
 
      c =  the average daily number of shares outstanding during the period that
           were entitled to receive dividends.
 
      d =  the offering price per share on the last day of the period.
</TABLE>
 
    In  computing  yield,  the  Fund  follows  certain  standardized  accounting
practices specified by Securities and Exchange Commission rules. These practices
are  not necessarily  consistent with  those that the  Fund uses  to prepare its
annual and interim  financial statements in  accordance with generally  accepted
accounting principles.
 
   
    The Money Market Portfolio's yield is computed in accordance with a standard
method prescribed by rules of the Securities and Exchange Commission. Under that
method,  the yield quotation is  based on a seven-day  period and is computed as
follows. The  net investment  income per  share (accrued  interest on  portfolio
securities,  plus or minus amortized premium or discount, less accrued expenses)
is divided by the price per share (expected to remain constant at $1.00) at  the
beginning  of the  period ("base  period return") and  the result  is divided by
seven and  multiplied by  365. The  resulting  yield figure  is carried  to  the
nearest  one  hundredth of  one percent.  Realized capital  gains or  losses and
unrealized appreciation or depreciation of  investments are not included in  the
calculation.  The Money Market Portfolio's yield  for the seven day period ended
July 31, 1996 was 3.65%.
    
 
   
    The Money Market  Portfolio's effective  yield is determined  by taking  the
base  period return (computed as described  above) and calculating the effect of
assumed compounding. The formula for the effective yield is [(base period return
+1) raised to the  365/7] -1. The Money  Market Portfolio's effective yield  for
the seven day period ended July 31, 1996 was 3.72%.
    
 
    A  Portfolio's performance quotations are  based upon historical results and
are not necessarily representative of future performance. The Fund's shares  are
sold  at net asset value,  and return and net  asset value will fluctuate except
that the Money Market Portfolio  seeks to maintain a  $1.00 net asset value  per
share.  Factors  affecting  a  Portfolio's  performance  include  general market
conditions, operating expenses and investment management. Shares of a  Portfolio
are redeemable at net asset value, which may be more or less than original cost.
Redemptions  within  the first  six years  after  purchase may  be subject  to a
contingent deferred sales charge that ranges from 5% the first year to 0%  after
six years. Yield and effective yield do not include the effect of the contingent
deferred sales charge. The standardized average annual total return does include
the  effect of the contingent deferred sales charge. Average annual total return
does not, and total return may or  may not include the effect of the  contingent
deferred  sales charge that may be imposed  at the end of the designated period.
Performance figures not including  the effect of  the contingent deferred  sales
charge would be reduced if the charge were included. No adjustments are made for
taxes payable on dividends.
 
                                      B-18
<PAGE>
   
    The  figures below  show performance  information for  various periods ended
July 31, 1996. Because all  of the Portfolios, with  the exception of the  Value
Growth  Portfolio,  have been  in  operation only  since  December 1,  1987, the
performance information reflects only a one hundred-four month period.
    
 
   
                       AVERAGE ANNUAL TOTAL RETURN TABLE
                         FOR PERIOD ENDED JULY 31, 1996
    
 
   
<TABLE>
<CAPTION>
                                                                                  STANDARDIZED      AVERAGE ANNUAL
                                                                                 AVERAGE ANNUAL      TOTAL RETURN
PORTFOLIO                                                                       TOTAL RETURN (1)    UNADJUSTED (2)
- ------------------------------------------------------------------------------  -----------------  -----------------
<S>                                                                             <C>                <C>
Value Growth
  10 years....................................................................          9.81%              9.81%
  5 years.....................................................................         12.97%             13.22%
  1 year......................................................................         13.41%             18.41%
 
High Grade Bond
  Life of Portfolio (3).......................................................          7.71%              7.71%
  5 years.....................................................................          7.07%              7.37%
  1 year......................................................................          0.37%              5.37%
 
High Yield Bond
  Life of Portfolio (3).......................................................          9.42%              9.42%
  5 years.....................................................................          9.34%              9.62%
  1 year......................................................................          2.67%              7.67%
 
Managed
  Life of Portfolio (3).......................................................          9.92%              9.92%
  5 years.....................................................................         12.24%             12.49%
  1 year......................................................................         12.30%             17.30%
 
Blue Chip
  Life of Portfolio (3).......................................................         14.07%             14.07%
  5 years.....................................................................         12.05%             12.30%
  1 year......................................................................         10.83%             15.83%
</TABLE>
    
 
- ------------------------
(1) The adjusted  value represents  the percentage  change in  the ending  value
    after the deduction of the contingent deferred sales charge.
 
(2)  The unadjusted value  represents the percentage change  in the ending value
    without the deduction of the contingent deferred sales charge.
 
(3) The  High Grade  Bond, High  Yield Bond,  Managed and  Blue Chip  Portfolios
    commenced operations on December 1, 1987.
 
                                      B-19
<PAGE>
   
                               TOTAL RETURN TABLE
                         FOR PERIOD ENDED JULY 31, 1996
    
 
   
<TABLE>
<CAPTION>
                                                                                   STANDARDIZED
                                                                                   TOTAL RETURN     TOTAL RETURN
PORTFOLIO                                                                               (1)        UNADJUSTED (2)
- --------------------------------------------------------------------------------  ---------------  ---------------
<S>                                                                               <C>              <C>
Value Growth
  10 years......................................................................      154.86 %          154.86%
  5 years.......................................................................       84.03 %           86.03%
  1 year........................................................................       13.41 %           18.41%
 
High Grade Bond
  Life of Portfolio (3).........................................................       90.36 %           90.36%
  5 years.......................................................................       40.68 %           42.68%
  1 year........................................................................        0.37 %            5.37%
 
High Yield Bond
  Life of Portfolio (3).........................................................      118.17 %          118.17%
  5 years.......................................................................       56.26 %           58.26%
  1 year........................................................................        2.67 %            7.67%
 
Managed
  Life of Portfolio (3).........................................................      127.00 %          127.00%
  5 years.......................................................................       78.11 %           80.11%
  1 year........................................................................       12.30 %           17.30%
 
Blue Chip
  Life of Portfolio (3).........................................................      213.02 %          213.02%
  5 years.......................................................................       76.62 %           78.62%
  1 year........................................................................       10.83 %           15.83%
</TABLE>
    
 
- ------------------------
(1)  The adjusted  value represents  the percentage  change in  the ending value
    after the deduction of the contingent deferred sales charge.
 
(2) The unadjusted value  represents the percentage change  in the ending  value
    without the deduction of the contingent deferred sales charge.
 
(3)  The High  Grade Bond,  High Yield  Bond, Managed  and Blue  Chip Portfolios
    commenced operations on December 1, 1987.
 
                                      B-20
<PAGE>
                           SHAREHOLDER VOTING RIGHTS
 
    All shares of  the Fund have  equal voting rights  and may be  voted in  the
election   of  Directors  and  on  other   matters  submitted  to  the  vote  of
shareholders. As permitted  by Maryland  law and the  Fund's corporate  charter,
there  will normally be no meetings of  shareholders for the purpose of electing
directors unless and until such time as  fewer than a majority of the  directors
holding  office have been  elected by shareholders. At  that time, the directors
then in office will call a shareholders' meeting for the election of  directors.
The  directors shall normally continue to  hold office and may appoint successor
directors, provided  that immediately  after the  appointment of  any  successor
director,  at  least  two-thirds  of  the directors  have  been  elected  by the
shareholders. The shares do not have cumulative voting rights, which means  that
the holders of a majority of the shares voting for the election of directors can
elect  all  the directors.  No amendment  may  be made  to the  Fund's corporate
charter without the affirmative vote of a majority of the outstanding shares  of
the Fund.
 
    In  matters which only affect a  particular Portfolio, the matter shall have
been effectively acted upon  by a majority vote  of that Portfolio even  though:
(i)  the matter has not been approved by a majority vote of any other Portfolio;
or (ii) the matter has not been approved by a majority vote of the Fund.
 
                                RETIREMENT PLANS
 
    The  Fund  offers  a  variety  of  retirement  investment  programs  whereby
contributions are invested in shares of the Fund, and any dividends (and capital
gain  distributions, if  any) are reinvested  in additional  full and fractional
shares of the Fund. The Fund  has waived the minimum investment requirement  for
an  account opened under any of these programs and subsequent investments can be
in any amount (subject to plan limitations).
 
SELF-EMPLOYED INDIVIDUAL RETIREMENT PLANS
 
    The Fund  has  available for  self-employed  individuals a  form  of  Paired
Defined  Contribution  Plan,  Trust Agreement  and  related  Custodial Agreement
(Keogh Plan)  under  IRS approved  prototypes.  A self-employed  individual  has
complete  discretion to make his or her  own fee arrangements with the custodial
bank of his or her selection, instead of using the custodian named herein on the
terms described under "General" below. The maximum annual tax deductible  amount
for  contributions is generally the  lesser of 25% of  earned income or $30,000.
For further details, including  the right of  appointing a successor  custodian,
reference is made to the Plan, Trust Agreement and Custodial Agreement available
from the Fund.
 
INDIVIDUAL RETIREMENT ACCOUNTS
 
    The  Fund  has available  Individual  Retirement Accounts  (IRAs)  under IRS
approved prototypes. A full $2,000 deduction for IRA contributions is  available
only  to (1) taxpayers who are  not active participants in an employer-sponsored
retirement plan and (2)  taxpayers who are active  participants in an  employer-
sponsored plan but have adjusted gross income below a specified level. For these
purposes,  a taxpayer generally will be deemed to be an active participant in an
employer-sponsored retirement plan if  for any part of  the taxable year  either
the  employee or his  or her spouse  is an active  participant under a qualified
pension plan,  a qualified  profit  sharing or  money  purchase plan,  a  403(b)
annuity program, a Simplified Employee Pension plan, or a government plan (other
than  a plan maintained for  state and local employees  under section 457 of the
Internal Revenue Code). Married taxpayers filing  a joint return who are  active
participants  in  an  employer-sponsored  plan may  make  a  tax  deductible IRA
contribution of up to $2,000 ($2,250 spousal) if their adjusted gross income  is
$40,000  or less. Between $40,000 and $50,000  of adjusted gross income, the IRA
deduction is phased-out. For single taxpayers who are active participants in  an
employer-sponsored  plan, the  $2,000 deductible  IRA contribution  is similarly
phased-
 
                                      B-21
<PAGE>
out between $25,000 and $35,000 of adjusted gross income. To the extent the  IRA
deduction  is reduced  or eliminated  by the  phase-out rule,  an individual may
elect to  make nondeductible  IRA  contributions that,  when combined  with  the
deductible  contributions, may not exceed $2,000 ($2,250 for a spousal IRA). The
income on the IRA contribution will not be taxed until withdrawn.
 
    For a period of seven days after establishment of an IRA Account and receipt
of a disclosure statement the investor may revoke his or her application and the
full payment made to the Account  will be returned. Form 5305-A, available  from
the Distributor, FBL Investment Advisory Services, Inc., 5400 University Avenue,
West  Des Moines, Iowa  50266, is to be  used to establish  an Account. The form
should be  consulted for  detailed  information, including  circumstances  under
which  redemption requests must be accompanied by  a declaration of intent as to
the disposition of the amount distributed.
 
TAX-SHELTERED 403(b) PLANS
 
    The Fund  has  available Tax-Deferred  Plans  under section  403(b)  of  the
Internal  Revenue Code. Certain tax-exempt  organizations and public schools may
establish such plans under which they  will be able to make contributions  which
are  not currently taxable to their  employees. For further details, contact the
Fund.
 
CORPORATE PENSION AND PROFIT SHARING PLANS
 
    Accounts for  corporate  pension  and profit  sharing  plans  (IRS  approved
prototypes  as well as other plans)  are available. For further details, contact
the Fund.
 
PUBLIC EMPLOYER DEFERRED COMPENSATION PLANS
 
    Employees of state, county and municipal agencies may make investments  with
pre-tax  dollars through  eligible deferred compensation  plans authorized under
section 457  of  the  Internal  Revenue Code.  Contributions  and  earnings  are
tax-sheltered  until  the funds  are actually  paid to  the employee.  Plans and
Administrative Services are available to states, counties and municipalities  to
provide  a tax-sheltered program for employees. For further details, contact the
Fund.
 
GENERAL
 
   
    Investors Fiduciary  Trust  Company  of Kansas  City,  Missouri,  serves  as
custodian  and  provides  the  services  required  for  Keogh  Plans, Individual
Retirement Plans, section 403(b) Plans and corporate pension and profit  sharing
plans.  An annual maintenance fee, currently  $10, will be collected annually by
redemption of shares or fractions  thereof from each participant's account.  FBL
Investment  Advisory Services, Inc. performs plan  services for a portion of the
fee and during  the fiscal year  ended July  31, 1996 received  $88,412 for  its
services  of which  $26,832 was remitted  to Investors  Fiduciary Trust Company.
Unusual administrative  responsibilities  will  be subject  to  such  additional
charges as will reasonably compensate the custodian for the service involved.
    
 
    Since  a retirement investment program involves a commitment covering future
years, it is important that the investor  consider his or her needs and  whether
the investment objective of the Fund as described in the Prospectus is likely to
fulfill  them. Premature  termination or curtailment  of the plan  may result in
adverse tax consequences.  Consultation with  an attorney or  other tax  adviser
regarding  these plans is  recommended. For further  information regarding these
plans, contact the Fund.
 
                               OTHER INFORMATION
 
PRINCIPAL HOLDERS OF SECURITIES
 
   
    As of August 15,  1996, Farm Bureau Life  Insurance Company (a  wholly-owned
subsidiary  of FBL Financial Group, Inc.,  an Iowa corporation), owned more than
25% of the Money Market Portfolio. As of
    
 
                                      B-22
<PAGE>
   
August 15, 1996, Farm Bureau  Life Insurance Company owned  more than 5% of  the
outstanding voting securities of the High Yield Bond Portfolio. Farm Bureau Life
Insurance  Company indirectly owns  FBL Investment Advisory  Services, Inc., the
Fund's investment adviser, principal underwriter and distributor.
    
 
CUSTODIAN
 
    Bankers Trust Company, 16 Wall Street,  New York, New York 10005,  currently
serves  as custodian of all cash and securities owned by the Fund. The custodian
performs no managerial or policy-making functions for the Fund.
 
INDEPENDENT AUDITORS
 
    The Fund's independent  auditors are Ernst  & Young LLP,  801 Grand  Avenue,
Suite 3400, Des Moines, Iowa 50309. The independent auditors audit and report on
the  Fund's annual financial  statements, review certain  regulatory reports and
perform other professional accounting, auditing, tax and advisory services  when
engaged to do so by the Fund.
 
ACCOUNTING SERVICES
 
   
    The  Fund  has  entered  into  an  accounting  services  agreement  with FBL
Investment Advisory  Services,  Inc.  ("FBL") pursuant  to  which  FBL  performs
accounting  services for the Fund. In  addition, the agreement provides that FBL
shall calculate the Fund's net asset value in accordance with the Fund's current
Prospectus and to prepare,  for Fund approval and  use, various tax returns  and
other reports. For such services, each Portfolio pays FBL an annual fee, payable
monthly,  of .05% of the  Portfolio's average daily net  assets, with the annual
fee payable by a Portfolio not to  exceed $30,000. During the fiscal year  ended
July 31, 1996, the aggregate amount of such fees paid to FBL was $57,481.
    
 
SHAREHOLDER SERVICE, DIVIDEND DISBURSING AND TRANSFER AGENT
 
   
    FBL  Investment  Advisory Services,  Inc. serves  as the  Fund's shareholder
service, transfer and dividend disbursing agent. FBL in turn has contracted with
DST Systems,  Inc. ("DST"),  an  unrelated party,  to perform  certain  services
incident to the maintenance of shareholder accounts. The Fund pays FBL an annual
fee  of $7.00 to $9.00  per account and miscellaneous  activity fees plus out of
pocket expenses, a portion of which is paid to DST. During the fiscal year ended
July 31, 1996, the aggregate  amount of such fees paid  to FBL was $381,239,  of
which $232,739 was paid to DST.
    
 
LEGAL MATTERS
 
    The firm of Vedder, Price, Kaufman & Kammholz, Chicago, Illinois, is counsel
for the Fund.
 
                              FINANCIAL STATEMENTS
 
   
    The  audited financial statements of the  Fund, including the notes thereto,
contained in the Annual Report to Shareholders of FBL Series Fund, Inc. for  the
fiscal year ended July 31, 1996, are incorporated herein by reference. A copy of
such  Annual Report to Shareholders may be obtained without charge by contacting
the Fund.
    
 
                                      B-23
<PAGE>
                                                  --------------------------
                                                    Farm Bureau Mutual Funds
 
                              FBL Series Fund, Inc.
 
                                                                          [LOGO]
 
                                ANNUAL REPORT
                                JULY 31, 1996
                                INVESTMENT MANAGER AND
                                PRINCIPAL UNDERWRITER
                                FBL INVESTMENT ADVISORY
                                SERVICES, INC.
                                5400 UNIVERSITY AVENUE
                                WEST DES MOINES, IA 50266
                                1-800-247-4170 (OUTSIDE IOWA)
                                1-800- 422-3175 (IN IOWA)
                                      225-5586 (DES MOINES)
 
                                               This report is not to be
FARM BUREAU MUTUAL FUNDS                       distributed
5400 UNIVERSITY AVENUE                         unless preceded or accompanied by
WEST DES MOINES, IOWA 50266     [LOGO]         a prospectus.
 
737-028(96)
<PAGE>
PRESIDENT'S LETTER
 
Dear Shareholder,
 
    The Dow Jones Industrial Average reached its modern high on May 22, closing
at 5778.00. On July 23, it closed at 5346.55, a decline of 7.5% and not
insubstantial for a two-month period of time. It does not qualify, however, as a
"bear market". As of this moment, the Dow has returned to within striking
distance of 5700, reinforcing the notion that all equity market sell-offs are
buying opportunities.
 
    But this rebound is different, in that net purchases of equity mutual funds
virtually ground to a halt during the month of July. For the week of July 17,
the industry experienced net redemptions, following months of $20 billion plus
injections into mutual funds. Whether investors will remain subdued for an
extended period is yet to be seen, as is the significance of this decrease in at
least one important source of market liquidity.
 
    Notwithstanding the equity market behavior of the past few months, the fixed
income markets have witnessed more relative volatility over the past few years.
After a very strong bond market rally in 1995, we began this year with the
benchmark thirty-year Treasury yielding 5.95%, and by July we had moved to a
yield of 7.20%. Now, following July's more benign job statistics, the markets
are rallying again. Recall that the Labor Department releases on job creation in
the preceding five months have been somewhat of a trial for the bond and stock
markets. Each time, the market reacted negatively to what was perceived as too
much economic growth, which could rekindle inflation. It would seem to be an
awkward spot for equities to be when a rapidly growing economy knocks the market
down.
 
    We believe that the equity markets will continue to see volatility in the
months ahead. Periodic corrections are quite normal to the stock market, but the
large number of shareholders arriving after 1990 have not seen a meaningful
setback. Accordingly, we encourage mutual fund investors to review the
longer-term characteristics of the financial markets to ensure that their asset
allocation decisions are truly appropriate to their investment objectives and
tolerance for risk.
 
    For the actively managed portfolios of FBL Series Fund, Inc. (those other
than the passive Blue Chip Portfolio) we have sought to manage volatility by
constantly assessing the securities held to ensure that valuations are
reasonable. In so doing, we seek to produce attractive risk-adjusted performance
and create lasting value for our shareholders.
 
    Below are activity and strategy summaries for the various portfolios of FBL
Series Fund, Inc.
 
    GROWTH COMMON STOCK:  The Growth Common Stock Portfolio benefitted from its
higher than average energy exposure. Approximately a year ago, the Portfolio had
25% of its assets in various energy company investments: oil and gas drilling,
oil and gas exploration and production, and related oil services. At the time we
made the investments, the energy industry was deeply out of favor and unloved by
Wall Street investors, allowing us to find many attractive and compelling
valuations where the private market value greatly exceeded the stock price,
spelling an investment opportunity. Twelve months later, many of these
investments appreciated 20% - 50% and, as a result, we have been taking profits
and begun searching for additional attractive investments. As of the writing of
this letter, our energy exposure has been reduced from 25% to approximately 20%
of total assets.
 
    We continue to find value in owning smaller bank holding companies. The
growth prospects of these investments are well defined and many are attractive
merger candidates, adding to their upside potential. The banking sector
currently represents 14% of Portfolio assets. Our strategy in this market is
 
                                       2
<PAGE>
to remain rational and objective when the market is not. This means that we are
willing to buy on bad news when we are able to establish a reasonable value for
the whole company well in excess of the current share price. This is the essence
of value investing. We also prefer to invest alongside good managements which
have a significant personal ownership stake in the company. Our goal is to be
invested in stocks which have appreciation potential at an acceptable level of
risk.
 
    HIGH GRADE BOND:  U.S. Treasury yields increased dramatically over the past
six months. For example, the 2-year, 10-year and 30-year Treasury issues yielded
4.92%, 5.57% and 6.02%, respectively, as of January 31, 1996, but as of July 31,
1996, were 6.22%, 6.79% and 6.97%.
 
    In addition, corporate spreads remain at historically low levels, suggesting
that investors are not being well compensated for taking on the credit and
market risk inherent in corporate bonds. Because of this, we will probably look
to reduce the Portfolio's overall exposure to corporate bonds and increase its
holdings in mortgage-backed and/or Treasury issues.
 
    The Portfolio continues to hold a significant portion of its assets in
high-coupon, callable bonds that offer attractive, incremental yields relative
to similar non-callable issues. Due to their call features, these types of
corporate issues tend to go up in price less than non-callable issues when
interest rates drop; and conversely, due to their incremental yield, tend to go
down less than non-callable issues when interest rates rise. Portfolio returns
should continue to lag other, more aggressive funds in both up and down markets.
 
    HIGH YIELD BOND:  During the past six months, the high yield bond market
outperformed the high grade corporate bond market. The reasons for this
outperformance were the naturally shorter duration and higher incremental income
of high yield bonds.
 
    Throughout this period, the DLJ 100 High Yield Active Issues Index went from
a 10.15% yield and a 485 basis-point spread to a 11.13% yield and a spread of
491 basis-points. In general, we view these spread levels as reasonable, and
therefore no major changes to the Portfolio are contemplated at this time.
 
    MANAGED:  The Managed Portfolio continues to seek securities offering high
income with a modest growth potential. This Portfolio uses a value philosophy
but concentrates on securities that produce an income stream twice that of the
S&P 500. Currently, the S&P 500 is yielding a minuscule 2.2%. We achieve higher
income by investing in a mixture of high dividend-paying stocks, preferreds,
convertibles (debentures and preferreds) and corporate bonds.
 
    We have continued to add to our convertible securities in the banking
sector. We continue to find value in owning the convertible securities of
smaller bank holding companies, as these securities are available with current
yields ranging from 4% - 6%, in addition to their attractive upside potential.
We have allowed cash to build up in anticipation of better values becoming
available in the market.
 
    MONEY MARKET:  Thus far in 1996, the money markets have gone directly from
an expectation of continued Federal Reserve easing following the January 25
basis-point decrease, to an expectation that the Fed would likely tighten
short-term rates as employment numbers began to show strength in the economy and
long-term rates pushed back above 7%. Most recently, expectations are that the
Fed will do nothing at its August meeting and possibly through the November
election. So while we have seen a relative period of calm in terms of Fed moves,
market expectations have moved short-term rates through some swings on either
side of the Fed. Looking ahead, we do not anticipate dramatic moves in short-
term rates at least until after the election.
 
                                       3
<PAGE>
    BLUE CHIP:  True to its passive strategy, the performance of the Blue Chip
Portfolio over the past year has reflected that of the large capitalization
market sector which it represents. The Blue Chip Portfolio will, at all times,
remain substantially invested in common stocks of large companies. This
Portfolio is designed for those investors who prefer substantial exposure to
common stocks at all times or who wish to make their own market value judgments.
 
                                         [INSERT SPECIMEN SIGNATURE]
                                           EDWARD M. WIEDERSTEIN
                                           PRESIDENT
 
August 27, 1996
 
                                       4
<PAGE>
GROWTH COMMON STOCK PORTFOLIO
 
             COMPARISON OF CHANGE IN VALUE OF $10,000 INVESTMENT IN
                 THE GROWTH COMMON STOCK PORTFOLIO AND S&P 500
EDGAR REPRESENTATION OF DATA POINTS USED IN PRINTED GRAPHIC
 
<TABLE>
<CAPTION>
               AVERAGE ANNUAL TOTAL RETURN
<S>                                                        <C>
1 Year                                                                                        5 Year
18.41%                                                                                        13.22%
                                                                       GROWTH COMMON STOCK PORTFOLIO
1986                                                                                           10000
1987                                                                                           11708
1988                                                                                           10346
1989                                                                                           11541
1990                                                                                           12226
1991                                                                                           13661
1992                                                                                           15380
1993                                                                                           19591
1994                                                                                           19658
1995                                                                                           21508
1996                                                                                           25486
Past performance is not predictive of future performance.
 
<CAPTION>
               AVERAGE ANNUAL TOTAL RETURN
<S>                                                        <C>
1 Year                                                                                   10 Year
18.41%                                                                                     9.81%
                                                                   S&P 500 STOCK COMPOSITE INDEX
1986                                                                                       10000
1987                                                                                       13923
1988                                                                                       12298
1989                                                                                       16217
1990                                                                                       17266
1991                                                                                       19473
1992                                                                                       21958
1993                                                                                       23861
1994                                                                                       25097
1995                                                                                       31635
1996                                                                                       36861
Past performance is not predictive of future performance.
</TABLE>
 
<TABLE>
<CAPTION>
     AVERAGE ANNUAL TOTAL RETURN
- -------------------------------------
  1 YEAR       5 YEAR       10 YEAR
- -----------  -----------  -----------
<S>          <C>          <C>
    18.41%       13.22%        9.81%
</TABLE>
 
    For the twelve-month period ended July 31, 1996, the total return for the
Growth Common Stock Portfolio was 18.41% compared to the 16.52% total return
produced by the S&P 500 Stock Composite Index. Returns were primarily achieved
in the energy area where 20% of the Portfolio's assets were invested. Most
notably, the oil and gas drilling sector, as well as the oil and gas exploration
companies, provided the majority of returns to the Portfolio. Also, additional
incremental returns were received from the banking and finance industries. We
remain committed to the undervalued sectors of the market, the same industries
which aided our performance during the recent fiscal year. Cash is likely to
accumulate as we selectively take profits and await further investment
opportunities.
 
                                       5
<PAGE>
HIGH GRADE BOND PORTFOLIO
 
             COMPARISON OF CHANGE IN VALUE OF $10,000 INVESTMENT IN
       THE HIGH GRADE BOND PORTFOLIO AND LEHMAN BROTHERS AGGREGATE INDEX
EDGAR REPRESENTATION OF DATA POINTS USED IN PRINTED GRAPHIC
 
<TABLE>
<CAPTION>
               AVERAGE ANNUAL TOTAL RETURN
<S>                                                        <C>                              <C>
1 Year                                                                                5 Year
5.37%                                                                                  7.37%
                                                                   HIGH GRADE BOND PORTFOLIO
1987                                                                                   10000
1988                                                                                   10297
1989                                                                                   11396
1990                                                                                   12097
1991                                                                                   13342
1992                                                                                   15171
1993                                                                                   16401
1994                                                                                   16692
1995                                                                                   18066
1996                                                                                   19036
Past performance is not predictive of future performance.
 
<CAPTION>
               AVERAGE ANNUAL TOTAL RETURN
<S>                                                        <C>
1 Year                                                                              Life of Portfolio
5.37%                                                                                           7.71%
                                                                      LEHMAN BROTHERS AGGREGATE INDEX
1987                                                                                            10000
1988                                                                                            10585
1989                                                                                            12194
1990                                                                                            13054
1991                                                                                            14451
1992                                                                                            16589
1993                                                                                            18278
1994                                                                                            18292
1995                                                                                            20141
1996                                                                                            21257
Past performance is not predictive of future performance.
</TABLE>
 
    For the twelve-month period ended July 31, 1996, the 5.37% total return of
the High Grade Bond Portfolio was nearly equal to the 5.54% return of the Lehman
Brothers Mutual Fund Aggregate Index. The Portfolio continued to pursue an
investment strategy of holding a large position in high-coupon, callable bonds.
These bonds generally offer additional yield for taking on call risk and allow
for a more stable return to the Portfolio. Because these securities have a call
feature, they tend to underperform similar non-callable issues when interest
rates go down, and conversely, outperform similar non-callable issues when
interest rates rise.
 
                                       6
<PAGE>
HIGH YIELD BOND PORTFOLIO
 
             COMPARISON OF CHANGE IN VALUE OF $10,000 INVESTMENT IN
  THE HIGH YIELD BOND PORTFOLIO AND LEHMAN BROTHERS CORPORATE/HIGH YIELD INDEX
EDGAR REPRESENTATION OF DATA POINTS USED IN PRINTED GRAPHIC
 
<TABLE>
<CAPTION>
               AVERAGE ANNUAL TOTAL RETURN
<S>                                                        <C>                             <C>
1 Year                                                                               5 Year
7.67%                                                                                 9.62%
                                                                  HIGH YIELD BOND PORTFOLIO
1987                                                                                  10000
1988                                                                                  10312
1989                                                                                  11427
1990                                                                                  12218
1991                                                                                  13786
1992                                                                                  16051
1993                                                                                  18129
1994                                                                                  18470
1995                                                                                  20263
1996                                                                                  21817
Past performance is not predictive of future performance.
 
<CAPTION>
               AVERAGE ANNUAL TOTAL RETURN
<S>                                                        <C>
1 Year                                                                                          Life of Portfolio
7.67%                                                                                                       9.42%
                                                                       LEHMAN BROTHERS CORPORATE/HIGH YIELD INDEX
1987                                                                                                        10000
1988                                                                                                        10776
1989                                                                                                        12344
1990                                                                                                        13103
1991                                                                                                        14564
1992                                                                                                        17092
1993                                                                                                        19175
1994                                                                                                        19251
1995                                                                                                        21605
1996                                                                                                        22975
Past performance is not predictive of future performance.
</TABLE>
 
    For the twelve-month period ended July 31, 1996, the 7.67% total return
produced by the High Yield Bond Portfolio was greater than the 6.45% return
produced by the Lehman Brothers Mutual Fund Corporate/High Yield Index. The
Portfolio maintains a larger percentage of its investments in high yield bonds
than the Lehman Brothers Corporate/High Yield Index and during the year, the
high yield market tended to outperform the high grade corporate bond market. In
addition, the Portfolio continued to hold a substantial portion of its assets in
high-coupon, premium-priced callable bonds. These bonds generally offer
additional yield for taking on call risk and allow for a more stable return to
the Portfolio. Because these securities have a call feature, they tend to
underperform similar non-callable issues when interest rates go down, and
conversely, outperform similar non-callable issues when interest rates rise.
 
                                       7
<PAGE>
MANAGED PORTFOLIO
 
             COMPARISON OF CHANGE IN VALUE OF $10,000 INVESTMENT IN
                       THE MANAGED PORTFOLIO AND S&P 500
 
EDGAR REPRESENTATION OF DATA POINTS USED IN PRINTED GRAPHIC
 
<TABLE>
<CAPTION>
               AVERAGE ANNUAL TOTAL RETURN
<S>                                                        <C>                       <C>
1 Year                                                                       5 Year                      Life of Portfolio
17.30%                                                                       12.49%                                  9.92%
                                                                  MANAGED PORTFOLIO          S&P 500 STOCK COMPOSITE INDEX
1987                                                                          10000                                  10000
1988                                                                          10318                                   8833
1989                                                                          11007                                  11648
1990                                                                          11773                                  12401
1991                                                                          12603                                  13986
1992                                                                          14467                                  15770
1993                                                                          17798                                  17137
1994                                                                          17689                                  18025
1995                                                                          19352                                  22721
1996                                                                          22700                                  26475
Past performance is not predictive of future performance.
</TABLE>
 
    The Managed Portfolio is an asset allocation portfolio and will not likely
mirror any particular index (equity or fixed-income) over time. During the
twelve-month period ended July 31, 1996, the Portfolio produced a total return
of 17.30% compared to the 16.52% total return produced by the S&P 500 Stock
Composite Index. The Managed Portfolio has emphasized securities producing
current income, and during the year, maintained a majority of its assets in
convertible securities. The majority of the Portfolio is represented by
high-income common stocks and convertibles of the following industry groups:
banking, energy and utilities. The Managed Portfolio also benefitted from
investors' renewed interest in energy stocks which were a significant part of
its assets. The Portfolio will continue to seek out high income, concentrating
on convertible issues of smaller banking situations. We continue to believe this
is a fertile investment area where we are paid (current income) to wait for the
profitable experience created by ongoing mergers and consolidations in the
banking industry.
 
                                       8
<PAGE>
BLUE CHIP PORTFOLIO
 
             COMPARISON OF CHANGE IN VALUE OF $10,000 INVESTMENT IN
                      THE BLUE CHIP PORTFOLIO AND S&P 500
 
EDGAR REPRESENTATION OF DATA POINTS USED IN PRINTED GRAPHIC
 
<TABLE>
<CAPTION>
               AVERAGE ANNUAL TOTAL RETURN
<S>                                                        <C>                        <C>
1 Year                                                                        5 Year                      Life of Portfolio
15.83%                                                                        12.30%                                 14.07%
                                                                 BLUE CHIP PORTFOLIO          S&P 500 STOCK COMPOSITE INDEX
1987                                                                           10000                                  10000
1988                                                                           11570                                   8833
1989                                                                           14802                                  11648
1990                                                                           16173                                  12401
1991                                                                           17525                                  13986
1992                                                                           19412                                  15770
1993                                                                           20618                                  17137
1994                                                                           22011                                  18025
1995                                                                           27023                                  22721
1996                                                                           31302                                  26475
Past performance is not predictive of future performance.
</TABLE>
 
    The Blue Chip Portfolio is designed to represent the large capitalization
sector of the domestic equity market and remains substantially invested in
approximately 40 such common stock issues at all times. Accordingly, the
performance of this Portfolio will roughly parallel that of the Dow Jones
Industrial Average and the S&P 500 Stock Composite Index. As is apparent from
the line graph, the performance of the Blue Chip Portfolio, adjusted for
expenses, was similar to that of the S&P 500 Stock Composite Index for the
twelve-month period ended July 31, 1996.
 
                                       9
<PAGE>
FBL SERIES FUND, INC.
STATEMENTS OF ASSETS AND LIABILITIES
JULY 31, 1996
 
<TABLE>
<CAPTION>
                                                       GROWTH        HIGH
                                                    COMMON STOCK  GRADE BOND
                                                     PORTFOLIO    PORTFOLIO
                                                    ------------  ----------
<S>                                                 <C>           <C>
ASSETS
Investments in securities, at value (cost --
  $83,630,501; $8,782,711; $7,170,126;
  $26,306,834; $2,488,492; and $9,814,464,
  respectively) (NOTE 5)..........................   $85,946,944  $8,906,938
Cash..............................................       51,545       47,197
Receivables:
  Accrued dividends and interest..................      153,346      160,861
  Investment securities sold......................      411,736       16,099
Prepaid expense and other assets..................        1,073        1,308
                                                    ------------  ----------
Total Assets......................................   $86,564,644  $9,132,403
                                                    ------------  ----------
                                                    ------------  ----------
LIABILITIES AND NET ASSETS
Liabilities
  Accounts payable:
    FBL Investment Advisory Services, Inc. (NOTE
      3)..........................................   $   14,104   $    3,557
  Accrued expenses................................       16,663        6,672
                                                    ------------  ----------
Total Liabilities.................................       30,767       10,229
Net assets applicable to outstanding capital stock
  (NOTE 4)........................................   86,533,877    9,122,174
                                                    ------------  ----------
Total Liabilities and Net Assets..................   $86,564,644  $9,132,403
                                                    ------------  ----------
                                                    ------------  ----------
Shares issued and outstanding as of July 31,
  1996............................................    5,894,384      897,708
NET ASSET VALUE PER SHARE.........................   $    14.68   $    10.16
                                                    ------------  ----------
                                                    ------------  ----------
</TABLE>
 
SEE ACCOMPANYING NOTES.
 
                                       10
<PAGE>
 
<TABLE>
<CAPTION>
                                                       HIGH                     MONEY
                                                    YIELD BOND    MANAGED      MARKET      BLUE CHIP
                                                    PORTFOLIO    PORTFOLIO    PORTFOLIO    PORTFOLIO
                                                    ----------  -----------  -----------  -----------
<S>                                                 <C>         <C>          <C>          <C>
ASSETS
Investments in securities, at value (cost --
  $83,630,501; $8,782,711; $7,170,126;
  $26,306,834; $2,488,492; and $9,814,464,
  respectively) (NOTE 5)..........................  $7,058,968  $27,312,173   $2,488,492  $14,503,774
Cash..............................................     107,751       81,404      67,558       131,206
Receivables:
  Accrued dividends and interest..................     192,833      115,411       2,496        19,166
  Investment securities sold......................
Prepaid expense and other assets..................         138          384          86           230
                                                    ----------  -----------  -----------  -----------
Total Assets......................................  $7,359,690  $27,509,372   $2,558,632  $14,654,376
                                                    ----------  -----------  -----------  -----------
                                                    ----------  -----------  -----------  -----------
LIABILITIES AND NET ASSETS
Liabilities
  Accounts payable:
    FBL Investment Advisory Services, Inc. (NOTE
      3)..........................................  $    3,978  $     7,017   $   1,533   $     5,772
  Accrued expenses................................       6,348       32,579       5,545         7,398
                                                    ----------  -----------  -----------  -----------
Total Liabilities.................................      10,326       39,596       7,078        13,170
Net assets applicable to outstanding capital stock
  (NOTE 4)........................................   7,349,364   27,469,776   2,551,554    14,641,206
                                                    ----------  -----------  -----------  -----------
Total Liabilities and Net Assets..................  $7,359,690  $27,509,372   $2,558,632  $14,654,376
                                                    ----------  -----------  -----------  -----------
                                                    ----------  -----------  -----------  -----------
Shares issued and outstanding as of July 31,
  1996............................................     735,632    2,061,227   2,551,554       557,473
NET ASSET VALUE PER SHARE.........................  $     9.99  $     13.33   $    1.00   $     26.26
                                                    ----------  -----------  -----------  -----------
                                                    ----------  -----------  -----------  -----------
</TABLE>
 
                                       11
<PAGE>
FBL SERIES FUND, INC.
STATEMENTS OF OPERATIONS
YEAR ENDED JULY 31, 1996
 
<TABLE>
<CAPTION>
                                                       GROWTH        HIGH
                                                    COMMON STOCK  GRADE BOND
                                                     PORTFOLIO     PORTFOLIO
                                                    ------------  -----------
<S>                                                 <C>           <C>
INVESTMENT INCOME
Dividends.........................................   $2,131,001
Interest..........................................      682,898    $ 703,030
                                                    ------------  -----------
Total Investment Income...........................    2,813,899      703,030
EXPENSES
Paid to FBL Investment Advisory Services, Inc.
  (NOTE 3):
  Investment advisory and management fees.........      404,117       34,843
  Transfer and dividend disbursing agent fees.....      154,936       32,985
  Distribution fees...............................      404,117       43,554
  Administrative service fees.....................      202,059       21,777
  Accounting fees.................................       30,000        4,356
Custodian fees....................................       16,977        7,917
Legal fees........................................       16,238        1,702
Audit fees........................................       11,000        5,100
Directors' fees and expenses......................        3,982          438
Reports to shareholders...........................       44,016        4,829
Registration fees.................................       15,179        3,535
Miscellaneous.....................................        4,820          803
                                                    ------------  -----------
Total Expenses....................................    1,307,441      161,839
Expense Reimbursement (NOTE 3)....................
                                                    ------------  -----------
Net Expenses......................................    1,307,441      161,839
                                                    ------------  -----------
Net Investment Income.............................    1,506,458      541,191
NET REALIZED AND UNREALIZED GAIN (LOSS) ON
  INVESTMENTS
Net realized gain from investment transactions....   11,563,616        8,240
Change in unrealized appreciation/depreciation of
  investments.....................................        6,359      (94,954)
                                                    ------------  -----------
Net Gain (Loss) on Investments....................   11,569,975      (86,714)
                                                    ------------  -----------
Net Increase in Net Assets Resulting from
  Operations......................................   $13,076,433   $ 454,477
                                                    ------------  -----------
                                                    ------------  -----------
</TABLE>
 
SEE ACCOMPANYING NOTES.
 
                                       12
<PAGE>
 
<TABLE>
<CAPTION>
                                                      HIGH
                                                      YIELD                   MONEY
                                                      BOND      MANAGED      MARKET     BLUE CHIP
                                                    PORTFOLIO  PORTFOLIO    PORTFOLIO   PORTFOLIO
                                                    ---------  ----------  -----------  ----------
<S>                                                 <C>        <C>         <C>          <C>
INVESTMENT INCOME
Dividends.........................................             $  697,044               $  240,236
Interest..........................................  $ 641,933     637,058   $ 139,715       57,113
                                                    ---------  ----------  -----------  ----------
Total Investment Income...........................    641,933   1,334,102     139,715      297,349
EXPENSES
Paid to FBL Investment Advisory Services, Inc.
  (NOTE 3):
  Investment advisory and management fees.........     37,339     148,741      10,012       30,418
  Transfer and dividend disbursing agent fees.....     36,561      83,148      15,010       58,599
  Distribution fees...............................     33,945     123,951      12,516       60,837
  Administrative service fees.....................     16,972      61,976       6,258       30,418
  Accounting fees.................................      3,395      12,395       1,251        6,084
Custodian fees....................................      8,638      10,420       6,055       11,279
Legal fees........................................      1,316       5,064         490        2,575
Audit fees........................................      5,000       5,800       4,600        5,100
Directors' fees and expenses......................        332       1,208         124          576
Reports to shareholders...........................      3,727      13,335       1,409        6,323
Registration fees.................................      3,256       6,037       2,640        4,033
Miscellaneous.....................................        660       1,590         416          938
                                                    ---------  ----------  -----------  ----------
Total Expenses....................................    151,141     473,665      60,781      217,180
Expense Reimbursement (NOTE 3)....................    (15,361)                (10,718)
                                                    ---------  ----------  -----------  ----------
Net Expenses......................................    135,780     473,665      50,063      217,180
                                                    ---------  ----------  -----------  ----------
Net Investment Income.............................    506,153     860,437      89,652       80,169
NET REALIZED AND UNREALIZED GAIN (LOSS) ON
  INVESTMENTS
Net realized gain from investment transactions....     99,065   2,276,504                  187,256
Change in unrealized appreciation/depreciation of
  investments.....................................   (107,265)    531,462                1,321,836
                                                    ---------  ----------  -----------  ----------
Net Gain (Loss) on Investments....................     (8,200)  2,807,965                1,509,092
                                                    ---------  ----------  -----------  ----------
Net Increase in Net Assets Resulting from
  Operations......................................  $ 497,953  $3,668,403   $  89,652   $1,589,261
                                                    ---------  ----------  -----------  ----------
                                                    ---------  ----------  -----------  ----------
</TABLE>
 
                                       13
<PAGE>
FBL SERIES FUND, INC.
STATEMENTS OF CHANGES IN NET ASSETS
 
<TABLE>
<CAPTION>
                                                             GROWTH
                                                          COMMON STOCK
                                                           PORTFOLIO
                                                    ------------------------
                                                      YEAR ENDED JULY 31,
                                                       1996         1995
                                                    -----------  -----------
<S>                                                 <C>          <C>
OPERATIONS
Net investment income.............................  $ 1,506,458  $ 2,285,143
Net realized gain (loss) from investment
  transactions....................................   11,563,616    2,239,764
Change in unrealized appreciation/depreciation of
  investments.....................................        6,359    1,538,922
                                                    -----------  -----------
Net Increase in Net Assets Resulting from
  Operations......................................   13,076,433    6,063,829
DIVIDENDS AND DISTRIBUTIONS TO SHAREHOLDERS FROM
  (NOTE 6)
Net investment income.............................   (2,469,514)  (1,942,351)
Net realized gain from investment transactions....   (1,454,239)  (3,592,463)
Distributions in excess of net realized gain from
  investment transactions.........................
                                                    -----------  -----------
                                                     (3,923,753)  (5,534,814)
CAPITAL SHARE TRANSACTIONS (NOTE 4)...............    6,434,694    6,102,860
CONTRIBUTION FROM AFFILIATE (NOTE 3)..............
                                                    -----------  -----------
Total Increase (Decrease) in Net Assets...........   15,587,374    6,631,875
NET ASSETS
Beginning of year.................................   70,946,503   64,314,628
                                                    -----------  -----------
End of year (including undistributed net
  investment income as set forth below)...........  $86,533,877  $70,946,503
                                                    -----------  -----------
                                                    -----------  -----------
Undistributed Net Investment Income...............  $   494,106  $ 1,457,162
                                                    -----------  -----------
                                                    -----------  -----------
</TABLE>
 
SEE ACCOMPANYING NOTES.
 
                                       14
<PAGE>
 
<TABLE>
<CAPTION>
                                                             HIGH                    HIGH
                                                          GRADE BOND              YIELD BOND
                                                          PORTFOLIO               PORTFOLIO
                                                    ----------------------  ----------------------
                                                     YEAR ENDED JULY 31,     YEAR ENDED JULY 31,
                                                       1996        1995        1996        1995
                                                    ----------  ----------  ----------  ----------
<S>                                                 <C>         <C>         <C>         <C>
OPERATIONS
Net investment income.............................  $  541,191  $  495,667  $  506,153  $  499,603
Net realized gain (loss) from investment
  transactions....................................       8,240     (33,881)     99,065      10,149
Change in unrealized appreciation/depreciation of
  investments.....................................     (94,954)    170,813    (107,265)     87,294
                                                    ----------  ----------  ----------  ----------
Net Increase in Net Assets Resulting from
  Operations......................................     454,477     632,599     497,953     597,046
DIVIDENDS AND DISTRIBUTIONS TO SHAREHOLDERS FROM
  (NOTE 6)
Net investment income.............................    (541,191)   (495,667)   (506,153)   (499,603)
Net realized gain from investment transactions....                             (21,547)    (59,344)
Distributions in excess of net realized gain from
  investment transactions.........................                 (24,669)                 (7,192)
                                                    ----------  ----------  ----------  ----------
                                                      (541,191)   (520,336)   (527,700)   (566,139)
CAPITAL SHARE TRANSACTIONS (NOTE 4)...............     863,859     636,952     688,604     234,188
CONTRIBUTION FROM AFFILIATE (NOTE 3)..............
                                                    ----------  ----------  ----------  ----------
Total Increase (Decrease) in Net Assets...........     777,145     749,215     658,857     265,095
NET ASSETS
Beginning of year.................................   8,345,029   7,595,814   6,690,507   6,425,412
                                                    ----------  ----------  ----------  ----------
End of year (including undistributed net
  investment income as set forth below)...........  $9,122,174  $8,345,029  $7,349,364  $6,690,507
                                                    ----------  ----------  ----------  ----------
                                                    ----------  ----------  ----------  ----------
Undistributed Net Investment Income...............  $        0  $        0  $        0  $        0
                                                    ----------  ----------  ----------  ----------
                                                    ----------  ----------  ----------  ----------
</TABLE>
 
                                       15
<PAGE>
FBL SERIES FUND, INC.
STATEMENTS OF CHANGES IN NET ASSETS (CONTINUED)
 
<TABLE>
<CAPTION>
                                                            MANAGED
                                                           PORTFOLIO
                                                    ------------------------
                                                      YEAR ENDED JULY 31,
                                                       1996         1995
                                                    -----------  -----------
<S>                                                 <C>          <C>
OPERATIONS
Net investment income.............................  $   860,437  $   961,614
Net realized gain from investment transactions....    2,276,504      176,989
Change in unrealized appreciation/depreciation of
  investments.....................................      531,462      671,828
                                                    -----------  -----------
Net Increase in Net Assets Resulting from
  Operations......................................    3,668,403    1,810,431
DIVIDENDS AND DISTRIBUTIONS TO SHAREHOLDERS FROM
  (NOTE 6)
Net investment income.............................     (861,221)    (963,801)
Net realized gain from investment transactions....     (188,116)    (239,223)
Distributions in excess of net realized gain from
  investment transactions.........................                  (161,255)
                                                    -----------  -----------
                                                     (1,049,337)  (1,364,279)
CAPITAL SHARE TRANSACTIONS (NOTE 4)...............    3,700,902    1,558,373
CONTRIBUTION FROM AFFILIATE (NOTE 3)..............       44,982
                                                    -----------  -----------
Total Increase (Decrease) in Net Assets...........    6,364,950    2,004,525
NET ASSETS
Beginning of year.................................   21,104,826   19,100,301
                                                    -----------  -----------
End of year (including undistributed net
  investment income as set forth below)...........  $27,469,776  $21,104,826
                                                    -----------  -----------
                                                    -----------  -----------
Undistributed Net Investment Income...............  $       488  $     1,272
                                                    -----------  -----------
                                                    -----------  -----------
</TABLE>
 
SEE ACCOMPANYING NOTES.
 
                                       16
<PAGE>
 
<TABLE>
<CAPTION>
                                                         MONEY MARKET              BLUE CHIP
                                                          PORTFOLIO                PORTFOLIO
                                                    ----------------------  -----------------------
                                                     YEAR ENDED JULY 31,      YEAR ENDED JULY 31,
                                                       1996        1995        1996         1995
                                                    ----------  ----------  -----------  ----------
<S>                                                 <C>         <C>         <C>          <C>
OPERATIONS
Net investment income.............................  $   89,652  $   87,948  $    80,169  $   72,767
Net realized gain from investment transactions....                              187,256          80
Change in unrealized appreciation/depreciation of
  investments.....................................                            1,321,836   1,636,574
                                                    ----------  ----------  -----------  ----------
Net Increase in Net Assets Resulting from
  Operations......................................      89,652      87,948    1,589,261   1,709,421
DIVIDENDS AND DISTRIBUTIONS TO SHAREHOLDERS FROM
  (NOTE 6)
Net investment income.............................     (89,652)    (87,948)     (87,281)    (53,615)
Net realized gain from investment transactions....
Distributions in excess of net realized gain from
  investment transactions.........................
                                                    ----------  ----------  -----------  ----------
                                                       (89,652)    (87,948)     (87,281)    (53,615)
CAPITAL SHARE TRANSACTIONS (NOTE 4)...............     112,704    (187,752)   3,481,955   1,256,850
CONTRIBUTION FROM AFFILIATE (NOTE 3)..............
                                                    ----------  ----------  -----------  ----------
Total Increase (Decrease) in Net Assets...........     112,704    (187,752)   4,983,935   2,912,656
NET ASSETS
Beginning of year.................................   2,438,850   2,626,602    9,657,271   6,744,615
                                                    ----------  ----------  -----------  ----------
End of year (including undistributed net
  investment income as set forth below)...........  $2,551,554  $2,438,850  $14,641,206  $9,657,271
                                                    ----------  ----------  -----------  ----------
                                                    ----------  ----------  -----------  ----------
Undistributed Net Investment Income...............  $        0  $        0  $    34,363  $   41,475
                                                    ----------  ----------  -----------  ----------
                                                    ----------  ----------  -----------  ----------
</TABLE>
 
                                       17
<PAGE>
FBL SERIES FUND, INC.
SCHEDULE OF INVESTMENTS
GROWTH COMMON STOCK PORTFOLIO
JULY 31, 1996
 
<TABLE>
<CAPTION>
                                                                   SHARES
                                                                    HELD          VALUE
                                                                -------------  -----------
<S>                                                             <C>            <C>
COMMON STOCKS (70.56%)
  CHEMICALS AND ALLIED PRODUCTS (4.94%)
  R.P. Scherer Corp...........................................      100,000(1) $ 4,275,000
  COMMUNICATIONS (4.61%)
  Lincoln Telecommunications Co...............................      245,500      3,989,375
  DEPOSITORY INSTITUTIONS (3.19%)
  CU Bancorp..................................................      251,000      2,761,000
  ELECTRIC, GAS AND SANITARY SERVICES (17.32%)
  Citizens Utilities Co., Class B.............................      375,905      4,181,943
  Howell Corp.................................................      198,600      2,780,400
  Ferrellgas Partners, L.P....................................      112,300      2,512,713
  Montana Power Co............................................      185,000      3,908,125
  Western Gas Resources, Inc..................................      108,800      1,604,800
                                                                               -----------
                                                                                14,987,981
  ELECTRONIC AND OTHER ELECTRIC EQUIPMENT (5.10%)
  Applied Materials, Inc......................................      185,000(1)   4,416,875
  FURNITURE AND FIXTURES (4.69%)
  Ladd Furniture, Inc.........................................      369,017      4,059,187
  HOLDING AND OTHER INVESTMENT OFFICES (5.69%)
  General Growth Properties, Inc..............................      200,000      4,925,000
  INSTRUMENTS AND RELATED PRODUCTS (4.04%)
  Pall Corp...................................................      145,000      3,498,125
  INSURANCE CARRIERS (5.00%)
  EMC Insurance Group, Inc....................................      353,100      4,325,475
  MOTION PICTURES (3.86%)
  Disney (Walt) Co............................................       60,000      3,337,500
  NONDEPOSITORY INSTITUTIONS (0.36%)
  Berkshire Hathaway, Inc.....................................           10(1)     309,000
  PRINTING & PUBLISHING (2.23%)
  Belo (A.H.) Corp............................................       48,000      1,932,000
  STONE, CLAY AND GLASS PRODUCTS (3.87%)
  Lafarge Corp................................................      183,700      3,352,525
</TABLE>
 
                                       18
<PAGE>
FBL SERIES FUND, INC.
SCHEDULE OF INVESTMENTS (CONTINUED)
GROWTH COMMON STOCK PORTFOLIO
<TABLE>
<CAPTION>
                                                                   SHARES
                                                                    HELD          VALUE
                                                                -------------  -----------
<S>                                                             <C>            <C>
  TRANSPORTATION -- BY AIR (4.21%)
  Petroleum Helicopters, Inc. (Non-Voting)....................      234,300    $ 3,455,925
  Petroleum Helicopters, Inc. (Voting)........................       12,350        185,250
                                                                               -----------
                                                                                 3,641,175
  WHOLESALE TRADE -- DURABLE GOODS (0.32%)
  TBC Corporation.............................................       40,000(1)     275,000
  WHOLESALE TRADE -- NONDURABLE GOODS (1.13%)
  Super Valu Stores, Inc......................................       35,000        975,625
                                                                               -----------
Total Common Stocks...........................................                  61,060,843
PREFERRED STOCKS (18.69%)
  DEPOSITORY INSTITUTIONS (8.20%)
  Community First Bankshares, Inc., Convertible...............      118,000      4,218,500
  Sterling Financial Corp.....................................       99,300      2,879,700
                                                                               -----------
                                                                                 7,098,200
  ELECTRIC, GAS AND SANITARY SERVICES (0.78%)
  Howell Corp.................................................       13,900        679,363
  INSTRUMENTS AND RELATED PRODUCTS (3.93%)
  US Surgical Corp............................................      100,000      3,400,000
  OIL AND GAS EXTRACTION (1.57%)
  Chieftain International, Inc., Convertible..................       50,200      1,355,400
  WATER TRANSPORTATION (4.21%)
  Sea Containers, Ltd., Convertible...........................       78,750      3,642,187
                                                                               -----------
Total Preferred Stocks........................................                  16,175,150
<CAPTION>
 
                                                                  PRINCIPAL
                                                                   AMOUNT
                                                                -------------
<S>                                                             <C>            <C>
CORPORATE BONDS (5.46%)
  ELECTRONIC AND OTHER ELECTRIC EQUIPMENT (2.43%)
  California Microwave, Convertible Sub. Deb., 5.25%, due
    12/15/03..................................................  $ 2,600,000      2,099,500
  HOLDING AND OTHER INVESTMENT OFFICES (3.03%)
  Centennial Bancorp, Convertible Sub. Deb., 7.00%, due
    5/01/04...................................................    2,073,000      2,623,775
                                                                               -----------
Total Corporate Bonds.........................................                   4,723,275
</TABLE>
 
                                       19
<PAGE>
FBL SERIES FUND, INC.
SCHEDULE OF INVESTMENTS (CONTINUED)
GROWTH COMMON STOCK PORTFOLIO
 
<TABLE>
<CAPTION>
                                                                  PRINCIPAL
                                                                   AMOUNT         VALUE
                                                                -------------  -----------
<S>                                                             <C>            <C>
SHORT-TERM INVESTMENTS (4.61%)
  UNITED STATES GOVERNMENT AGENCY (2.30%)
  Federal Home Loan Mortgage Corp., due 9/12/96...............  $ 2,000,000    $ 1,987,676
  MONEY MARKET MUTUAL FUND (2.31%)
  Dreyfus Treasury Cash Management, Class A...................    2,000,000      2,000,000
                                                                               -----------
Total Short-Term Investments..................................                   3,987,676
                                                                               -----------
Total Investments (99.32%)....................................                  85,946,944
OTHER ASSETS LESS LIABILITIES (0.68%)
  Cash, receivables and prepaid expense, less liabilities.....                     586,933
                                                                               -----------
Total Net Assets (100.00%)....................................                 $86,533,877
                                                                               -----------
                                                                               -----------
</TABLE>
 
(1) Non-income producing security.
 
SEE ACCOMPANYING NOTES.
 
                                       20
<PAGE>
FBL SERIES FUND, INC.
SCHEDULE OF INVESTMENTS
HIGH GRADE BOND PORTFOLIO
JULY 31, 1996
 
<TABLE>
<CAPTION>
                                                                      PRINCIPAL
                                                                       AMOUNT       VALUE
                                                                     -----------  ----------
<S>                                                                  <C>          <C>
CORPORATE BONDS (70.29%)
  APPAREL AND ACCESSORY STORES (4.04%)
  TJX Companies, Inc., 9.50%, due 5/01/16..........................   $ 350,000   $  368,690
  COMMUNICATIONS (6.46%)
  Hawaiian Telephone Co., 8.00%, due 9/01/01.......................     250,000      249,543
  Pacific Telephone & Telegraph Co., 7.25%, due 2/01/08............     350,000      339,542
                                                                                  ----------
                                                                                     589,085
  DEPOSITORY INSTITUTIONS (8.60%)
  Midland America Capital Corp., 12.75%, due 11/15/03..............     175,000      196,716
  J.P. Morgan & Co., 7.25%, due 10/01/10...........................     350,000      337,165
  Norwest Corp., 9.25%, due 5/01/97................................     100,000      102,417
  Third National Bank, 7.50%, due 11/15/02.........................     147,000      148,339
                                                                                  ----------
                                                                                     784,637
  ELECTRIC, GAS AND SANITARY SERVICES (12.44%)
  MDU Resources Group, Inc., 9.125%, due 10/01/16..................     200,000      213,350
  New England Power Co., 8.00%, due 8/01/22........................     400,000      394,004
  Texas Eastern Transmission, 10.00%, due 10/01/11.................     150,000      158,503
  Western Penn Power, 7.875%, due 12/01/04.........................     360,000      368,791
                                                                                  ----------
                                                                                   1,134,648
  ELECTRONIC & OTHER ELECTRIC EQUIPMENT (2.75%)
  Harris Corp., 7.75%, due 12/15/01................................     250,000      251,347
  FOOD AND KINDRED PRODUCTS (5.46%)
  Anheuser-Busch Companies, Inc., 8.50%, due 3/01/17...............     133,000      137,780
  Sara Lee Corp., 8.75%, due 5/15/16...............................     350,000      360,063
                                                                                  ----------
                                                                                     497,843
  GENERAL MERCHANDISE STORES (3.43%)
  Dayton-Hudson Corporation, 9.25%, due 11/15/16...................     300,000      312,798
  HOLDING AND OTHER INVESTMENT OFFICES (7.84%)
  Federal Realty Investment Trust, 8.875%, due 1/15/00.............     350,000      365,873
  Meditrust, 7.60%, due 9/13/05....................................     350,000      349,717
                                                                                  ----------
                                                                                     715,590
  INSURANCE CARRIERS (3.69%)
  Torchmark Corporation, 8.625%, due 3/01/17.......................     225,000      232,402
  Torchmark Corporation, 9.625%, due 5/01/98.......................     100,000      104,569
                                                                                  ----------
                                                                                     336,971
</TABLE>
 
                                       21
<PAGE>
FBL SERIES FUND, INC.
SCHEDULE OF INVESTMENTS (CONTINUED)
HIGH GRADE BOND PORTFOLIO
<TABLE>
<CAPTION>
                                                                      PRINCIPAL
                                                                       AMOUNT       VALUE
                                                                     -----------  ----------
<S>                                                                  <C>          <C>
  OIL AND GAS EXTRACTION (2.49%)
  Burlington Resources, Inc., 9.125%, due 10/01/21.................   $ 200,000   $  226,746
  PETROLEUM AND COAL PRODUCTS (0.88%)
  Pennzoil Co., 9.00%, due 4/01/17.................................      77,000       80,125
  PRINTING AND PUBLISHING (3.36%)
  Valassis Communications, Inc., 9.55%, due 12/01/03...............     300,000      306,246
  RAILROAD TRANSPORTATION (4.00%)
  Union Pacific Corp., 8.50%, due 1/15/17..........................     350,000      364,693
  SECURITY AND COMMODITY BROKERS (2.29%)
  Lehman Brothers Holdings, Inc., 8.875%, due 11/01/98.............     200,000      208,516
  TRANSPORTATION EQUIPMENT (2.56%)
  Ford Motor Credit Co., 9.50%, due 9/15/11........................     200,000      234,014
                                                                                  ----------
Total Corporate Bonds..............................................                6,411,949
ASSET-BACKED SECURITY (3.56%)
  Federal Home Loan Mortgage Corp., 10.15%, due 4/15/06............     320,608      325,090
MORTGAGE-BACKED SECURITIES (16.44%)
  FEDERAL HOME LOAN MORTGAGE CORPORATION (FHLMC) (0.71%)
  Pool # 503442, 9.50%, due 7/01/05................................      62,182       64,397
  GOVERNMENT NATIONAL MORTGAGE ASSOCIATION (GNMA) (15.73%)
  Pool # 144332, 9.00%, due 7/15/16................................      45,150       47,774
  Pool # 194692, 8.00%, due 5/15/17................................     632,312      643,934
  Pool # 236070, 10.00%, due 10/15/12..............................     614,623      658,218
  Pool # 307097, 9.00%, due 7/15/21................................      80,969       85,219
                                                                                  ----------
                                                                                   1,435,145
                                                                                  ----------
Total Mortgage-Backed Securities...................................                1,499,542
SHORT-TERM INVESTMENTS (7.35%)
  UNITED STATES GOVERNMENT AGENCIES
  Federal Home Loan Bank, due 8/30/96..............................     225,000      224,054
  Federal Home Loan Mortgage Corp., due 9/26/96....................     450,000      446,303
                                                                                  ----------
Total Short-Term Investments.......................................                  670,357
                                                                                  ----------
Total Investments (97.64%).........................................                8,906,938
</TABLE>
 
                                       22
<PAGE>
FBL SERIES FUND, INC.
SCHEDULE OF INVESTMENTS (CONTINUED)
HIGH GRADE BOND PORTFOLIO
 
<TABLE>
<CAPTION>
                                                                                    VALUE
                                                                                  ----------
<S>                                                                  <C>          <C>
OTHER ASSETS LESS LIABILITIES (2.36%)
  Cash, receivables and prepaid expense, less liabilities..........               $  215,236
                                                                                  ----------
Total Net Assets (100.00%).........................................               $9,122,174
                                                                                  ----------
                                                                                  ----------
</TABLE>
 
SEE ACCOMPANYING NOTES.
 
                                       23
<PAGE>
FBL SERIES FUND, INC.
SCHEDULE OF INVESTMENTS
HIGH YIELD BOND PORTFOLIO
JULY 31, 1996
 
<TABLE>
<CAPTION>
                                                                     PRINCIPAL
                                                                      AMOUNT       VALUE
                                                                    -----------  ----------
<S>                                                                 <C>          <C>
CORPORATE BONDS (93.00%)
  AGRICULTURAL PRODUCTION -- CROPS (2.17%)
  Chiquita Brands International, Inc., 11.50%, due 6/01/01........  $ 150,000    $  159,188
  AMUSEMENT AND RECREATION SERVICES (3.54%)
  AMF Group, Inc., 10.875%, due 3/15/06...........................    260,000       260,325
  APPAREL AND ACCESSORY STORES (4.92%)
  Genesco, Inc., 10.375%, due 2/01/03.............................    150,000       150,750
  TJX Companies, Inc., 9.50%, due 5/01/16.........................    200,000       210,680
                                                                                 ----------
                                                                                    361,430
  APPAREL AND OTHER TEXTILE PRODUCTS (6.47%)
  Dan River, Inc., 10.125%, due 12/15/03..........................    280,000       270,900
  Fieldcrest Cannon, Inc., 11.25%, due 6/15/04....................    200,000       204,500
                                                                                 ----------
                                                                                    475,400
  AUTO REPAIR, SERVICES AND PARKING (1.56%)
  Envirotest Systems Corp., 9.625%, due 4/01/03...................    150,000       114,750
  BUSINESS SERVICES (3.21%)
  Borg-Warner Corp., 9.125%, due 5/01/03..........................    250,000       236,250
  COMMUNICATIONS (3.55%)
  Panamsat, L.P., 9.75%, due 8/01/00..............................    250,000       260,625
  ELECTRIC, GAS AND SANITARY SERVICES (8.68%)
  Montana Power Co., 7.50%, due 1/01/98...........................    136,000       136,783
  New England Power Co., 8.00%, due 8/01/22.......................    250,000       246,252
  Public Service Company of New Mexico, 5.875%, due 5/01/97.......    150,000       148,953
  Texas Eastern Transmission Corp., 10.00%, due 10/01/11..........    100,000       105,669
                                                                                 ----------
                                                                                    637,657
  ELECTRONIC AND OTHER ELECTRIC EQUIPMENT (2.99%)
  Amphenol Corp., 12.75%, due 12/15/02............................    200,000       220,000
  FABRICATED METAL PRODUCTS (6.77%)
  Jorgensen (Earle M.) Co., 10.75%, due 3/01/00...................    200,000       199,000
  Ryerson Tull, Inc. 9.125%, due 7/15/06..........................    300,000       298,875
                                                                                 ----------
                                                                                    497,875
</TABLE>
 
                                       24
<PAGE>
FBL SERIES FUND, INC.
SCHEDULE OF INVESTMENTS (CONTINUED)
HIGH YIELD BOND PORTFOLIO
<TABLE>
<CAPTION>
                                                                     PRINCIPAL
                                                                      AMOUNT       VALUE
                                                                    -----------  ----------
<S>                                                                 <C>          <C>
  FOOD STORES (4.42%)
  P&C Food Markets, Inc., 11.50%, due 10/15/01....................  $ 150,000    $  142,125
  Penn Traffic Co., 10.25%, due 2/15/02...........................    200,000       182,500
                                                                                 ----------
                                                                                    324,625
  GENERAL MERCHANDISE STORES (4.38%)
  Federated Department Stores, Inc., 10.00%, due 2/15/01..........    300,000       321,813
  INSURANCE CARRIERS (4.22%)
  Torchmark Corp., 8.625%, due 3/01/17............................    300,000       309,870
  LUMBER AND WOOD PRODUCTS (8.22%)
  Georgia-Pacific Corp., 9.875%, due 11/01/21.....................    330,000       358,997
  Pacific Lumber Co., 10.50%, due 3/01/03.........................    250,000       245,000
                                                                                 ----------
                                                                                    603,997
  MISCELLANEOUS RETAIL (4.09%)
  Eckerd Corp., 9.25%, due 2/15/04................................    295,000       300,900
  PAPER AND ALLIED PRODUCTS (3.38%)
  Container Corp. of America, 9.75%, due 4/01/03..................    250,000       248,125
  PETROLEUM AND COAL PRODUCTS (2.47%)
  Clark Oil & Refining Corp., 10.50%, due 12/01/01................    175,000       181,563
  RUBBER AND MISCELLANEOUS PLASTICS PRODUCTS (3.84%)
  Foamex, L.P., 9.50%, due 6/01/00................................    182,000       182,910
  Plastic Specialties & Technologies, Inc., 11.25%, due
    12/01/03......................................................    100,000        99,500
                                                                                 ----------
                                                                                    282,410
  STONE, CLAY AND GLASS PRODUCTS (6.43%)
  Owens-Illinois, Inc., 11.00%, due 12/01/03......................    200,000       216,500
  USG Corp., 9.25%, due 9/15/01...................................    250,000       256,250
                                                                                 ----------
                                                                                    472,750
  TEXTILE MILL PRODUCTS (0.84%)
  Bibb Co. (The), 14.00%, due 10/01/99............................    125,000(1)     62,031
  TRANSPORTATION EQUIPMENT (2.77%)
  Preston Corp., 7.00%, due 5/01/11...............................    306,000       203,490
  WATER TRANSPORTATION (4.08%)
  Moran Transport Co., 11.75%, due 7/15/04........................    300,000       300,000
                                                                                 ----------
Total Corporate Bonds.............................................                6,835,074
</TABLE>
 
                                       25
<PAGE>
FBL SERIES FUND, INC.
SCHEDULE OF INVESTMENTS (CONTINUED)
HIGH YIELD BOND PORTFOLIO
<TABLE>
<CAPTION>
                                                                     PRINCIPAL
                                                                      AMOUNT       VALUE
                                                                    -----------  ----------
<S>                                                                 <C>          <C>
SHORT-TERM INVESTMENT (3.05%)
  UNITED STATES GOVERNMENT AGENCY
  Federal Home Loan Mortgage Corp., due 9/03/96...................  $ 225,000    $  223,894
                                                                                 ----------
Total Investments (96.05%)........................................                7,058,968
OTHER ASSETS LESS LIABILITIES (3.95%)
  Cash, receivables and prepaid expense, less liabilities.........                  290,396
                                                                                 ----------
Total Net Assets (100.00%)........................................               $7,349,364
                                                                                 ----------
                                                                                 ----------
</TABLE>
 
(1) Company has been in default since the April 1, 1995 interest payment.
 
SEE ACCOMPANYING NOTES.
 
                                       26
<PAGE>
FBL SERIES FUND, INC.
SCHEDULE OF INVESTMENTS
MANAGED PORTFOLIO
JULY 31, 1996
 
<TABLE>
<CAPTION>
                                                                    SHARES
                                                                     HELD        VALUE
                                                                  ----------  -----------
<S>                                                               <C>         <C>
COMMON STOCKS (33.06%)
  COMMUNICATIONS (2.49%)
  Lincoln Telecommunications Co.................................      42,000  $   682,500
  DEPOSITORY INSTITUTIONS (0.92%)
  Columbia Banking System, Inc..................................      16,098      253,544
  ELECTRIC, GAS AND SANITARY SERVICES (16.88%)
  Citizens Utilities Co., Class B...............................     113,792    1,265,936
  Montana Power Co..............................................      57,600    1,216,800
  Peoples Energy Corp...........................................      30,000      933,750
  Western Gas Resources, Inc....................................      82,800    1,221,300
                                                                              -----------
                                                                                4,637,786
  HOLDING AND OTHER INVESTMENT OFFICES (5.29%)
  General Growth Properties, Inc................................      59,000    1,452,875
  INSURANCE CARRIERS (4.68%)
  EMC Insurance Group, Inc......................................     105,000    1,286,250
  MISCELLANEOUS RETAIL (2.80%)
  Ferrellgas Partners, L.P......................................      34,400      769,700
                                                                              -----------
Total Common Stocks.............................................                9,082,655
PREFERRED STOCKS (28.64%)
  DEPOSITORY INSTITUTIONS (6.24%)
  Community First Bankshares, Inc., Convertible.................      33,000    1,179,750
  Sterling Financial Corp.......................................      18,450      535,050
                                                                              -----------
                                                                                1,714,800
  GAS PRODUCTION AND DISTRIBUTION (0.09%)
  Western Gas Resources, Inc....................................       1,000       24,625
  HOLDING AND OTHER INVESTMENT OFFICES (2.46%)
  Security Capital Industrial Trust.............................      29,000      674,250
  INSTRUMENTS AND RELATED PRODUCTS (4.95%)
  US Surgical Corp..............................................      40,000    1,360,000
  PETROLEUM AND COAL PRODUCTS (3.90%)
  Ashland Oil Co................................................      18,000    1,071,000
  WATER TRANSPORTATION (3.87%)
  Sea-Containers, Ltd., Convertible.............................      23,000    1,063,750
</TABLE>
 
                                       27
<PAGE>
FBL SERIES FUND, INC.
SCHEDULE OF INVESTMENTS (CONTINUED)
MANAGED PORTFOLIO
<TABLE>
<CAPTION>
                                                                    SHARES
                                                                     HELD        VALUE
                                                                  ----------  -----------
<S>                                                               <C>         <C>
  WHOLESALE TRADE -- DURABLE GOODS (3.61%)
  Kaman Corp....................................................      20,000  $   990,000
  WHOLESALE TRADE -- NONDURABLE GOODS (3.52%)
  Howell Corp...................................................      19,800      967,725
                                                                              -----------
Total Preferred Stocks..........................................                7,866,150
<CAPTION>
 
                                                                  PRINCIPAL
                                                                    AMOUNT
                                                                  ----------
<S>                                                               <C>         <C>
CORPORATE BONDS (15.92%)
  COMMUNICATIONS (0.38%)
  Hawaiian Telephone Co., 8.00%, due 9/01/01....................  $  105,000      104,808
  ELECTRIC, GAS AND SANITARY SERVICES (0.54%)
  National Co-op Services Corp. (Arkansas Electric), 9.48%, due
    1/01/12.....................................................     140,000      148,015
  ELECTRONIC AND OTHER ELECTRIC EQUIPMENT (4.41%)
  California Microwave, Inc., 5.25%, due 12/15/03...............   1,500,000    1,211,250
  FOOD AND KINDRED PRODUCTS (1.04%)
  Anheuser-Busch Companies, Inc., 8.50%, due 3/01/17............      77,000       79,767
  Sara Lee Corp., 8.75%, due 5/15/16............................     200,000      205,750
                                                                              -----------
                                                                                  285,517
  HOLDING AND OTHER INVESTMENT OFFICES (2.80%)
  Centennial Bancorp, Convertible Sub. Deb., 7.00%, due
    5/01/04.....................................................     608,000      769,540
  INSURANCE CARRIERS (0.94%)
  Torchmark Corp., 8.625%, due 3/01/17..........................     250,000      258,225
  PETROLEUM AND COAL PRODUCTS (0.51%)
  Pennzoil Co., 9.00%, due 4/01/17..............................     133,000      138,397
  PRIMARY METAL INDUSTRIES (4.54%)
  Quanex Corp., 6.88%, due 6/30/07..............................   1,300,000    1,248,000
  RAILROAD TRANSPORTATION (0.76%)
  Union Pacific Corp., Sinking Fund Deb., 8.50%, due 1/15/17....     200,000      208,396
                                                                              -----------
Total Corporate Bonds...........................................                4,372,148
SHORT-TERM INVESTMENTS (21.81%)
  COMMERCIAL PAPER (7.37%)
  Ford Motor Credit Corp., 5.31%, due 8/22/96...................   1,100,000    1,100,000
  General Electric Capital Corp., 5.41%, due 8/01/96............     925,000      925,000
                                                                              -----------
                                                                                2,025,000
</TABLE>
 
                                       28
<PAGE>
FBL SERIES FUND, INC.
SCHEDULE OF INVESTMENTS (CONTINUED)
MANAGED PORTFOLIO
 
<TABLE>
<CAPTION>
                                                                  PRINCIPAL
                                                                    AMOUNT       VALUE
                                                                  ----------  -----------
<S>                                                               <C>         <C>
  MONEY MARKET MUTUAL FUND (3.35%)
  Dreyfus Treasury Cash Management, Class A.....................  $  920,000  $   920,000
  UNITED STATES GOVERNMENT AGENCIES (11.09%)
  Federal Home Loan Bank, due 8/07/96...........................   1,550,000    1,548,623
  Federal Home Loan Mortgage Corp., due 8/12/96.................   1,500,000    1,497,597
                                                                              -----------
                                                                                3,046,220
                                                                              -----------
Total Short-Term Investments....................................                5,991,220
                                                                              -----------
Total Investments (99.43%)......................................               27,312,173
OTHER ASSETS LESS LIABILITIES (0.57%)
  Cash, receivables and prepaid expense, less liabilities.......                  157,603
                                                                              -----------
Total Net Assets (100.00%)......................................              $27,469,776
                                                                              -----------
                                                                              -----------
</TABLE>
 
SEE ACCOMPANYING NOTES.
 
                                       29
<PAGE>
FBL SERIES FUND, INC.
SCHEDULE OF INVESTMENTS
MONEY MARKET PORTFOLIO
JULY 31, 1996
 
<TABLE>
<CAPTION>
                                                           ANNUALIZED
                                                            YIELD ON      PRINCIPAL
                                                          PURCHASE DATE    AMOUNT       VALUE
                                                          -------------  -----------  ----------
<S>                                                       <C>            <C>          <C>
SHORT-TERM INVESTMENTS (97.53%)
  COMMERCIAL PAPER (13.72%)
    NONDEPOSITORY INSTITUTIONS
    American General Finance Corp., due 9/16/96.........        5.412%    $ 125,000   $  125,000
    Ford Motor Credit Corp., due 8/12/96................        5.329       100,000      100,000
    General Electric Capital Corp., due 10/24/96........        5.459       125,000      125,000
                                                                                      ----------
  Total Commercial Paper................................                                 350,000
  UNITED STATES GOVERNMENT AGENCIES (83.81%)
    Federal Farm Credit Bank, due 9/05/96...............        5.433       200,000      198,963
    Federal Home Loan Bank, due 8/20/96.................        5.332       300,000      299,170
    Federal Home Loan Mortgage Corp., due 9/03/96.......        5.446       300,000      298,530
    Federal Home Loan Mortgage Corp., due 10/11/96......        5.472       225,000      222,630
    Federal Home Loan Mortgage Corp., due 10/18/96......        5.463       175,000      172,980
    Federal National Mortgage Assoc., due 8/06/96.......        5.374       475,000      474,651
    Federal National Mortgage Assoc., due 9/11/96.......        5.456       200,000      198,782
    Federal National Mortgage Assoc., due 9/24/96.......        5.486       275,000      272,786
                                                                                      ----------
  Total United States Government Agencies...............                               2,138,492
                                                                                      ----------
Total Investments (97.53%)..............................                               2,488,492
OTHER ASSETS LESS LIABILITIES (2.47%)
  Cash, receivables and prepaid expense, less
    liabilities.........................................                                  63,062
                                                                                      ----------
Total Net Assets (100.00%)..............................                              $2,551,554
                                                                                      ----------
                                                                                      ----------
</TABLE>
 
SEE ACCOMPANYING NOTES.
 
                                       30
<PAGE>
FBL SERIES FUND, INC.
SCHEDULE OF INVESTMENTS
BLUE CHIP PORTFOLIO
JULY 31, 1996
 
<TABLE>
<CAPTION>
                                                                    SHARES
                                                                     HELD         VALUE
                                                                  -----------  -----------
<S>                                                               <C>          <C>
COMMON STOCKS (89.67%)
  CHEMICALS AND ALLIED PRODUCTS (17.42%)
  Bristol-Myers Squibb Co.......................................      3,127    $   270,876
  DuPont (EI) de Nemours & Co...................................      4,071        328,733
  Eastman Chemical Co...........................................      2,571        134,335
  Johnson & Johnson.............................................      8,720        416,380
  Merck & Co., Inc..............................................      5,573        358,065
  Praxair, Inc..................................................      9,261        355,391
  Procter & Gamble Co...........................................      3,807        340,251
  Union Carbide Corp............................................      8,259        346,878
                                                                               -----------
                                                                                 2,550,909
  COMMUNICATIONS (3.25%)
  American Telephone & Telegraph Co.............................      4,534        236,335
  Bell Atlantic Corp............................................      4,047        239,279
                                                                               -----------
                                                                                   475,614
  DEPOSITORY INSTITUTIONS (1.97%)
  Morgan JP & Co., Inc..........................................      3,353        288,358
  EATING AND DRINKING PLACES (2.62%)
  McDonald's Corp...............................................      8,279        383,939
  ELECTRONIC AND OTHER ELECTRIC EQUIPMENT (2.57%)
  General Electric Co...........................................      4,456        367,063
  Imation Corporation...........................................        408(1)       9,282
                                                                               -----------
                                                                                   376,345
  FOOD AND KINDRED PRODUCTS (8.63%)
  Coca-Cola Co. (The)...........................................     11,488        538,500
  PepsiCo, Inc..................................................     11,636        367,988
  Philip Morris Companies, Inc..................................      3,413        357,085
                                                                               -----------
                                                                                 1,263,573
  GENERAL MERCHANDISE STORES (4.48%)
  Sears, Roebuck & Co...........................................      5,198        213,118
  Wal-Mart Stores, Inc..........................................     10,412        249,888
  Woolworth (F.W.) Co. Ltd......................................     10,033(1)     193,135
                                                                               -----------
                                                                                   656,141
</TABLE>
 
                                       31
<PAGE>
FBL SERIES FUND, INC.
SCHEDULE OF INVESTMENTS (CONTINUED)
BLUE CHIP PORTFOLIO
<TABLE>
<CAPTION>
                                                                    SHARES
                                                                     HELD         VALUE
                                                                  -----------  -----------
<S>                                                               <C>          <C>
  INDUSTRIAL MACHINERY AND EQUIPMENT (4.28%)
  Caterpillar, Inc..............................................      5,829    $   383,985
  International Business Machines Corp..........................      2,245        242,180
                                                                               -----------
                                                                                   626,165
  INSTRUMENTS AND RELATED PRODUCTS (2.18%)
  Eastman Kodak Co..............................................      4,285        319,768
  INSURANCE CARRIERS (4.30%)
  Allstate Corp.................................................      5,068        226,793
  American International Group, Inc.............................      4,276        402,479
                                                                               -----------
                                                                                   629,272
  MOTION PICTURES (2.00%)
  Disney (Walt) Co..............................................      5,256        292,365
  NONDEPOSITORY INSTITUTIONS (1.20%)
  Dean Witter, Discover & Co....................................      3,465        176,282
  PAPER AND ALLIED PRODUCTS (3.52%)
  International Paper Co........................................      6,582        249,293
  Minnesota Mining & Manufacturing Co...........................      4,084        265,460
                                                                               -----------
                                                                                   514,753
  PETROLEUM AND COAL PRODUCTS (10.67%)
  Amoco Corp....................................................      3,586        239,814
  Chevron Corp..................................................      4,881        282,488
  Exxon Corp....................................................      3,471        285,489
  Mobil Corp....................................................      2,671        294,812
  Texaco, Inc...................................................      3,183        270,555
  USX Corp. -- Marathon Group...................................      9,234        189,297
                                                                               -----------
                                                                                 1,562,455
  PRIMARY METAL INDUSTRIES (2.99%)
  Aluminum Company of America...................................      5,242        304,036
  Bethlehem Steel Corp..........................................     13,411(1)     134,110
                                                                               -----------
                                                                                   438,146
  RUBBER AND MISCELLANEOUS PLASTICS PRODUCTS (2.65%)
  Goodyear Tire & Rubber Co.....................................      8,787        388,825
</TABLE>
 
                                       32
<PAGE>
FBL SERIES FUND, INC.
SCHEDULE OF INVESTMENTS (CONTINUED)
BLUE CHIP PORTFOLIO
<TABLE>
<CAPTION>
                                                                    SHARES
                                                                     HELD         VALUE
                                                                  -----------  -----------
<S>                                                               <C>          <C>
  SECURITY AND COMMODITY BROKERS (2.67%)
  American Express Co...........................................      6,272    $   274,400
  Lehman Brothers Holding, Inc..................................      5,024        116,180
                                                                               -----------
                                                                                   390,580
  TRANSPORTATION EQUIPMENT (11.07%)
  Allied-Signal, Inc............................................      7,852        461,305
  Boeing Co. (The)..............................................      3,701        327,538
  Ford Motor Co.................................................      8,288        269,360
  General Motors Corp...........................................      4,356        212,355
  United Technologies Corp......................................      3,105        349,701
                                                                               -----------
                                                                                 1,620,259
  WHOLESALE TRADE -- DURABLE GOODS (1.20%)
  Westinghouse Electric Corp....................................     10,457        175,155
                                                                               -----------
Total Common Stocks.............................................                13,128,904
<CAPTION>
 
                                                                   PRINCIPAL
                                                                    AMOUNT
                                                                  -----------
<S>                                                               <C>          <C>
SHORT-TERM INVESTMENTS (9.39%)
  UNITED STATES GOVERNMENT AGENCIES
  Federal Farm Credit Bank, due 8/01/96.........................  $ 475,000        475,000
  Federal Home Loan Mortgage Corp., due 8/02/96.................    900,000        899,870
                                                                               -----------
Total Short-Term Investments....................................                 1,374,870
                                                                               -----------
Total Investments (99.06%)......................................                14,503,774
OTHER ASSETS LESS LIABILITIES (0.94%)
  Cash, receivables and prepaid expense, less liabilities.......                   137,432
                                                                               -----------
Total Net Assets (100.00%)......................................               $14,641,206
                                                                               -----------
                                                                               -----------
</TABLE>
 
(1) Non-income producing security.
 
SEE ACCOMPANYING NOTES.
 
                                       33
<PAGE>
FBL SERIES FUND, INC.
NOTES TO FINANCIAL STATEMENTS
JULY 31, 1996
 
1. SIGNIFICANT ACCOUNTING POLICIES
    FBL Series Fund, Inc. (the "Fund") is registered under the Investment
Company Act of 1940, as amended, as an open-end, diversified management
investment company and operates in the mutual fund industry. The Fund consists
of six portfolios (known as the Growth Common Stock, High Grade Bond, High Yield
Bond, Managed, Money Market and Blue Chip Portfolios).
 
    All portfolios, other than the Money Market Portfolio, value their common
stocks, corporate bonds, United States Treasury obligations and mortgage-backed
securities that are traded on any national exchange at the last sale price on
the day of valuation or, lacking any sales, at the mean between the closing bid
and asked prices. Investments traded in the over-the-counter market are valued
at the mean between the bid and asked prices or yield equivalent as obtained
from one or more dealers that make markets in the securities. Investments for
which market quotations are not readily available are valued at fair value as
determined in good faith by the Board of Directors. Short-term investments
(including repurchase agreements) are valued at market value, except that
obligations maturing in 60 days or less are valued using the amortized cost
method of valuation described below with respect to the Money Market Portfolio,
which approximates market.
 
    The Money Market Portfolio values investments at amortized cost, which
approximates market. Under the amortized cost method, a security is valued at
its cost on the date of purchase and thereafter is adjusted to reflect a
constant amortization to maturity of the difference between the principal amount
due at maturity and the cost of the investment to the portfolio.
 
    The value of the underlying securities serving to collateralize repurchase
agreements is marked to market daily. Should the value of the underlying
securities decline, the seller would be required to provide the applicable
portfolio with additional securities so that the aggregate value of the
underlying securities was at least equal to the repurchase price. If a seller of
a repurchase agreement were to default, the affected portfolio might experience
losses in enforcing its rights. To minimize this risk, the investment adviser
(under the supervision of the Board of Directors) will monitor the
creditworthiness of the seller of the repurchase agreement and must find such
creditworthiness satisfactory before a portfolio may enter into the repurchase
agreement.
 
    The Fund records investment transactions generally one day after the trade
date. The identified cost basis has been used in determining the net realized
gain or loss from investment transactions and unrealized appreciation or
depreciation on investments. Dividends are taken into income on an accrual basis
as of the ex-dividend date and interest is recognized on an accrual basis.
Discounts and premiums on investments purchased are amortized over the life of
the respective investments.
 
    Dividends and distributions to shareholders are recorded on the record date.
 
2. FEDERAL INCOME TAXES
    No provision for federal income taxes is considered necessary because the
Fund is qualified as a "regulated investment company" under the Internal Revenue
Code and intends to distribute each year substantially all of its net investment
income and realized capital gains to shareholders. The cost of investments is
the same for both federal income tax and financial reporting purposes.
 
                                       34
<PAGE>
FBL SERIES FUND, INC.
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
 
2. FEDERAL INCOME TAXES (CONTINUED)
    At July 31, 1996, the High Grade Bond Portfolio had a net capital loss
carryforward of approximately $31,000, which will expire in 2003.
 
3. MANAGEMENT CONTRACT AND TRANSACTIONS WITH AFFILIATES
    The Fund has entered into agreements with FBL Investment Advisory Services,
Inc. ("FBL Investment") relating to the management of the portfolios and the
investment of their assets. Pursuant to these agreements, fees paid to FBL
Investment are as follows: (1) annual investment advisory and management fees,
which are based on each portfolio's daily net assets as follows: Growth Common
Stock Portfolio - 0.50%; High Grade Bond Portfolio - 0.40%; High Yield Bond
Portfolio - 0.55%; Managed Portfolio - 0.60%; Money Market Portfolio - 0.40% and
Blue Chip Portfolio - 0.25%; (2) distribution fees, which are computed at an
annual rate of 0.50% of each portfolio's average daily net asset value and, in
part, are subsequently remitted by FBL Investment to retail dealers including
FBL Marketing Services, Inc. ("FBL Marketing"), an affiliate who serves as
principal dealer; (3) administrative service fees, which are computed at an
annual rate of 0.25% of each portfolio's average daily net asset value; (4)
shareholder service, transfer and dividend disbursing agent fees, which are
based on direct services provided and expenses incurred by the investment
adviser, plus an annual per account charge ranging from $7.00 to $9.00, with an
annual minimum account maintenance fee of $12,000 per portfolio; and (5)
accounting fees, which are based on each portfolio's daily net assets at an
annual rate of 0.05%, with a maximum per portfolio annual expense of $30,000.
 
    FBL Investment has agreed to reimburse the portfolios annually for total
expenses (excluding brokerage, interest, taxes, the distribution fee and
extraordinary expenses) in excess of 1.50% of each portfolio's average daily net
assets. The amount reimbursed, however, shall not exceed the amount of the
investment advisory and management fees paid by the portfolio for such period.
 
    During the year ended July 31, 1996, FBL Investment voluntarily reimbursed
the Managed Portfolio for losses relating to the sale of a restricted security
in the amount of $44,982. The transaction was recorded as a realized capital
loss and an offsetting capital contribution from an affiliate.
 
    Certain officers and directors of the Fund are also officers of Farm Bureau
Life Insurance Company, FBL Investment, FBL Marketing and other affiliated
entities. At July 31, 1996, Farm Bureau Life Insurance Company, the indirect
parent of FBL Investment and FBL Marketing, owned shares of the Fund's
portfolios as follows:
 
<TABLE>
<CAPTION>
PORTFOLIO                                                          SHARES
- ---------------------------------------------------------------  ----------
<S>                                                              <C>
High Yield Bond................................................      75,129
Money Market...................................................   1,910,602
</TABLE>
 
    FBL Investment also owned shares of the Growth Common Stock Portfolio
aggregating 69,178 at July 31, 1996.
 
                                       35
<PAGE>
FBL SERIES FUND, INC.
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
 
4. CAPITAL SHARE TRANSACTIONS
    Net assets as of July 31, 1996 consisted of:
 
<TABLE>
<CAPTION>
                                                                                PORTFOLIO
                                                -------------------------------------------------------------------------
                                                  GROWTH                    HIGH
                                                  COMMON     HIGH GRADE    YIELD                    MONEY        BLUE
                                                   STOCK        BOND        BOND       MANAGED      MARKET       CHIP
                                                -----------  ----------  ----------  -----------  ----------  -----------
<S>                                             <C>          <C>         <C>         <C>          <C>         <C>
Capital Stock (5,000,000,000 shares of $.001
  par value Capital Stock authorized).........  $     5,894  $      898  $      736  $     2,061  $    2,653  $       557
Additional paid-in capital....................   73,419,617   9,027,557   7,389,460   24,489,773   2,548,901    9,734,104
Accumulated undistributed net investment
  income......................................      494,106                                  488                   34,363
Accumulated undistributed net realized gain
  (loss) from investment transactions.........   10,297,817     (30,508)     70,326    1,972,115                  182,872
Net unrealized appreciation (depreciation) of
  investments.................................    2,316,443     124,227    (111,158)   1,005,339                4,689,310
                                                -----------  ----------  ----------  -----------  ----------  -----------
Net Assets....................................  $86,533,877  $9,122,174  $7,349,364  $27,469,776  $2,551,554  $14,641,206
                                                -----------  ----------  ----------  -----------  ----------  -----------
                                                -----------  ----------  ----------  -----------  ----------  -----------
</TABLE>
 
    Transactions in Capital Stock for each portfolio were as follows:
 
<TABLE>
<CAPTION>
                                                         SHARES ISSUED IN
                                                          REINVESTMENT OF
                                                           DIVIDENDS AND                                  NET INCREASE
                                     SHARES SOLD           DISTRIBUTIONS         SHARES REDEEMED           (DECREASE)
                                ---------------------  ---------------------  ---------------------  ----------------------
PORTFOLIO                        SHARES      AMOUNT     SHARES      AMOUNT     SHARES      AMOUNT      SHARES      AMOUNT
- ------------------------------  ---------  ----------  ---------  ----------  ---------  ----------  ----------  ----------
<S>                             <C>        <C>         <C>        <C>         <C>        <C>         <C>         <C>
Year Ended July 31, 1996:
 
Growth Common Stock...........    676,503  $9,680,344    272,420  $3,830,226    496,485  $7,075,876     452,438  $6,434,694
High Grade Bond...............    145,140   1,486,070     40,458     415,105    101,202   1,037,316      84,396     863,859
High Yield Bond...............    158,195   1,581,316     36,061     360,220    125,359   1,252,932      68,897     688,604
Managed.......................    388,866   5,132,422     72,358     945,921    180,489   2,377,441     280,735   3,700,902
Money Market..................    524,983     524,983     20,508      20,508    432,787     432,787     112,704     112,704
Blue Chip.....................    176,665   4,548,977      3,471      85,480     45,260   1,152,502     134,876   3,481,955
 
Year Ended July 31, 1995:
 
Growth Common Stock...........    456,086  $5,716,180    465,616  $5,401,147    399,968  $5,014,467     521,734  $6,102,860
High Grade Bond...............     97,267     947,943     37,987     400,616     71,483     711,607      63,771     636,952
High Yield Bond...............     85,943     872,956     35,880     351,724     97,585     990,492      24,238     234,188
Managed.......................    206,561   2,362,969    107,958   1,216,938    178,193   2,021,534     136,326   1,558,373
Money Market..................    194,697     194,697     19,711      19,711    402,160     402,160    (187,752)   (187,752)
Blue Chip.....................     91,343   1,825,635      2,799      52,645     31,209     621,430      62,933   1,256,850
</TABLE>
 
                                       36
<PAGE>
FBL SERIES FUND, INC.
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
 
5. INVESTMENT TRANSACTIONS
    For the year ended July 31, 1996, the cost of investment securities
purchased and proceeds from investment securities sold (not including short-term
investments and U.S. Government securities) by portfolio, were as follows:
 
<TABLE>
<CAPTION>
PORTFOLIO                                         PURCHASES      SALES
- -----------------------------------------------  -----------  -----------
<S>                                              <C>          <C>
Growth Common Stock............................  $74,938,787  $67,499,367
High Grade Bond................................    3,111,851    2,771,564
High Yield Bond................................    2,547,755    1,863,609
Managed........................................   14,912,657   15,320,972
Blue Chip......................................    3,018,744      321,285
</TABLE>
 
    At July 31, 1996, net unrealized appreciation of investments by portfolio
was composed of the following:
 
<TABLE>
<CAPTION>
                                                                              NET UNREALIZED
                                                      GROSS UNREALIZED         APPRECIATION
                                                ----------------------------  (DEPRECIATION)
PORTFOLIO                                       APPRECIATION   DEPRECIATION   OF INVESTMENTS
- ----------------------------------------------  -------------  -------------  ---------------
<S>                                             <C>            <C>            <C>
Growth Common Stock...........................   $ 6,887,543    $ 4,571,100     $ 2,316,443
High Grade Bond...............................       196,768         72,541         124,227
High Yield Bond...............................       108,582        219,740        (111,158)
Managed.......................................     1,517,049        511,709       1,005,339
Blue Chip.....................................     4,786,980         97,670       4,689,310
</TABLE>
 
                                       37
<PAGE>
FBL SERIES FUND, INC.
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
 
6. DIVIDENDS AND DISTRIBUTIONS TO SHAREHOLDERS
    Dividends from net investment income for the following portfolios are
declared daily and were payable on the last business day of the month as
follows:
 
<TABLE>
<CAPTION>
                                                                      HIGH       HIGH
                                                                      GRADE      YIELD       MONEY
PAYABLE DATE                                                          BOND       BOND       MARKET
- ------------------------------------------------------------------  ---------  ---------  -----------
<S>                                                                 <C>        <C>        <C>
August 31, 1995...................................................  $   .0549  $   .0631   $   .0032
September 29, 1995................................................      .0530      .0611       .0030
October 31, 1995..................................................      .0561      .0639       .0032
November 30, 1995.................................................      .0557      .0636       .0031
December 29, 1995.................................................      .0525      .0632       .0032
January 31, 1996..................................................      .0551      .0660       .0034
February 29, 1996.................................................      .0532      .0616       .0026
March 29, 1996....................................................      .0515      .0605       .0025
April 30, 1996....................................................      .0526      .0639       .0028
May 31, 1996......................................................      .0519      .0608       .0028
June 28, 1996.....................................................      .0467      .0554       .0027
July 31, 1996.....................................................      .0561      .0650       .0032
                                                                    ---------  ---------  -----------
Total Dividends Per Share.........................................  $   .6393  $   .7481   $   .0357
                                                                    ---------  ---------  -----------
                                                                    ---------  ---------  -----------
</TABLE>
 
                                       38
<PAGE>
FBL SERIES FUND, INC.
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
 
6. DIVIDENDS AND DISTRIBUTIONS TO SHAREHOLDERS (CONTINUED)
    In addition, dividends and distributions to shareholders from net investment
income and net realized gain on investment transactions were paid during the
year ended July 31, 1996, for the following portfolios:
 
<TABLE>
<CAPTION>
ORDINARY INCOME DIVIDENDS:                                            DIVIDEND    PERCENT QUALIFYING
                                  DECLARATION   RECORD     PAYABLE   AMOUNT PER    FOR DEDUCTION BY
PORTFOLIO                            DATE        DATE       DATE        SHARE        CORPORATIONS
- --------------------------------  -----------  ---------  ---------  -----------  -------------------
<S>                               <C>          <C>        <C>        <C>          <C>
Growth Common Stock.............    12/21/95    12/28/95   12/28/95   $  0.4585              73%
Managed.........................    10/29/95    10/31/95   11/07/95      0.0825              57
Managed.........................    12/21/95    12/28/95   12/28/95      0.1196              56
Managed.........................     4/29/96     4/30/96    4/30/96      0.1175              50
Managed.........................     7/30/96     7/31/96    7/31/96      0.1275              53
Blue Chip.......................    12/21/95    12/28/95   12/28/95      0.1950              82
</TABLE>
 
<TABLE>
<CAPTION>
CAPITAL GAINS DISTRIBUTIONS:                                          DIVIDEND
                                  DECLARATION   RECORD     PAYABLE   AMOUNT PER
PORTFOLIO                            DATE        DATE       DATE        SHARE
- --------------------------------  -----------  ---------  ---------  -----------
<S>                               <C>          <C>        <C>        <C>          <C>
Growth Common Stock.............    12/21/95    12/28/95   12/28/95   $  0.2700
High Yield Bond.................    12/21/95    12/28/95   12/28/95      0.0325
Managed.........................    12/21/95    12/28/95   12/28/95      0.1029
</TABLE>
 
    The capital gains distributions related to the Growth Common Stock, High
Yield Bond and Managed Portfolios include net short-term realized gains of
$1,152,619 ($0.2140 per share), $21,546 ($0.0325 per share) and $188,116
($0.1029 per share), respectively, that are taxable to shareholders as ordinary
income dividends.
 
                                       39
<PAGE>
FBL SERIES FUND, INC.
FINANCIAL HIGHLIGHTS
YEARS ENDED JULY 31, 1996, 1995, 1994, 1993 AND 1992
 
<TABLE>
<CAPTION>
                                                                            GROWTH
                                                                         COMMON STOCK
                                                                          PORTFOLIO
                                                      --------------------------------------------------
                                                       1996       1995       1994       1993       1992
                                                      -------    -------    -------    -------    ------
<S>                                                   <C>        <C>        <C>        <C>        <C>
Net asset value, beginning of year................     $13.04     $13.07     $15.13     $12.48    $11.64
  Income From Investment Operations
    Net investment income.........................       0.27       0.43       0.60       0.51      0.48
    Net gains or losses on investments (both
      realized and unrealized)....................       2.10       0.65      (0.49)      2.75      0.93
                                                      -------    -------    -------    -------    ------
  Total from investment operations................       2.37       1.08       0.11       3.26      1.41
                                                      -------    -------    -------    -------    ------
  Less Distributions
    Dividends (from net investment income)........      (0.46)     (0.39)     (0.60)     (0.48)    (0.57)
    Distributions (from capital gains)............      (0.27)     (0.72)     (1.57)     (0.13)
    Distributions in excess of net realized
      gains.......................................
                                                      -------    -------    -------    -------    ------
  Total distributions.............................      (0.73)     (1.11)     (2.17)     (0.61)    (0.57)
                                                      -------    -------    -------    -------    ------
Net asset value, end of year......................     $14.68     $13.04     $13.07     $15.13    $12.48
                                                      -------    -------    -------    -------    ------
                                                      -------    -------    -------    -------    ------
Total Return:
  Total investment return based on net asset value
    (1)...........................................      18.41%      9.36%      0.34%     27.25%    12.51%
Ratios/Supplemental Data:
  Net assets, end of year ($000's omitted)........     86,534     70,947     64,315     51,732    39,418
  Ratio of net expenses to average net assets.....       1.62%      1.62%      1.60%      1.61%     1.69%
  Ratio of net income to average net assets.......       1.87%      3.43%      4.05%      3.80%     3.99%
  Portfolio turnover rate.........................         92%        85%        93%        92%       87%
  Average commission rate per share (3)...........     $.0529
Information assuming no voluntary reimbursement by
 FBL Investment of excess operating expenses (see
 NOTE 3):
  Per share net investment income.................
  Ratio of expenses to average net assets.........
  Amount reimbursed...............................
</TABLE>
 
- ------------------------
Note:  Per share amounts have been calculated on the basis of monthly per share
       amounts (using average monthly outstanding shares) accumulated for the
       period.
 
(1)  Total investment return is calculated assuming an initial investment made
     at the net asset value at the beginning of the period, reinvestment of all
     dividends and distributions at net asset value during the period, and
     redemption on the last day of the period. Contingent deferred sales charge
     is not reflected in the calculation of total investment return.
 
(2)  The total investment return includes the effect of the capital contribution
     of $0.02 per share. The return without the capital contribution would have
     been 17.13%.
 
(3)  Average commission rate per share disclosure is not required for fiscal
     years prior to July 31, 1996.
 
     SEE ACCOMPANYING NOTES.
 
                                       40
<PAGE>
 
<TABLE>
<CAPTION>
                                                      HIGH                                              HIGH
                                                   GRADE BOND                                        YIELD BOND
                                                   PORTFOLIO                                         PORTFOLIO
                                ------------------------------------------------  ------------------------------------------------
                                  1996      1995      1994      1993      1992      1996      1995      1994      1993      1992
                                --------  --------  --------  --------  --------  --------  --------  --------  --------  --------
<S>                             <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
Net asset value, beginning of
 year.........................    $10.26    $10.13    $10.69    $10.68    $10.15    $10.03    $10.00    $10.76    $10.47     $9.82
  Income From Investment
    Operations
    Net investment income.....      0.64      0.63      0.64      0.70      0.73      0.75      0.78      0.81      0.83      0.90
    Net gains or losses on
      investments (both
      realized and
      unrealized).............     (0.10)     0.16     (0.40)     0.13      0.62     (0.01)     0.13     (0.60)     0.46      0.65
                                --------  --------  --------  --------  --------  --------  --------  --------  --------  --------
  Total from investment
    operations................      0.54      0.79      0.24      0.83      1.35      0.74      0.91      0.21      1.29      1.55
                                --------  --------  --------  --------  --------  --------  --------  --------  --------  --------
  Less Distributions
    Dividends (from net
      investment income)......     (0.64)    (0.63)    (0.64)    (0.70)    (0.73)    (0.75)    (0.78)    (0.81)    (0.83)    (0.90)
    Distributions (from
      capital gains)..........                         (0.16)    (0.12)    (0.09)    (0.03)    (0.09)    (0.16)    (0.17)
    Distributions in excess of
      net realized gains......               (0.03)                                            (0.01)
                                --------  --------  --------  --------  --------  --------  --------  --------  --------  --------
  Total distributions.........     (0.64)    (0.66)    (0.80)    (0.82)    (0.82)    (0.78)    (0.88)    (0.97)    (1.00)    (0.90)
                                --------  --------  --------  --------  --------  --------  --------  --------  --------  --------
Net asset value, end of
 year.........................    $10.16    $10.26    $10.13    $10.69    $10.68     $9.99    $10.03    $10.00    $10.76    $10.47
                                --------  --------  --------  --------  --------  --------  --------  --------  --------  --------
                                --------  --------  --------  --------  --------  --------  --------  --------  --------  --------
Total Return:
  Total investment return
    based on net asset value
    (1).......................      5.37%     8.23%     1.77%     8.10%    13.71%     7.67%     9.71%     1.88%    12.95%    16.44%
Ratios/Supplemental Data:
  Net assets, end of year
    ($000's omitted)..........     9,122     8,345     7,596     8,047     7,676     7,349     6,691     6,425     5,758     4,835
  Ratio of net expenses to
    average net assets........      1.85%     1.99%     1.90%     1.79%     1.88%     2.00%     2.00%     2.00%     2.00%     1.98%
  Ratio of net income to
    average net assets........      6.19%     6.29%     6.12%     6.59%     6.94%     7.44%     7.83%     7.68%     7.84%     8.79%
  Portfolio turnover rate.....        34%       18%       42%       54%       45%       30%       23%       26%       56%       56%
  Average commission rate per
    share (3).................
Information assuming no
 voluntary reimbursement by
 FBL Investment of excess
 operating expenses (see NOTE
 3):
  Per share net investment
    income....................                                                       $0.73     $0.75     $0.79     $0.82
  Ratio of expenses to average
    net assets................                                                        2.22%     2.29%     2.17%     2.05%
  Amount reimbursed...........                                                     $15,361   $18,810   $10,754    $3,147
</TABLE>
 
                                       41
<PAGE>
FBL SERIES FUND, INC.
FINANCIAL HIGHLIGHTS (CONTINUED)
 
<TABLE>
<CAPTION>
                                                                           MANAGED
                                                                          PORTFOLIO
                                                      --------------------------------------------------
                                                       1996       1995       1994       1993       1992
                                                      -------    -------    -------    -------    ------
<S>                                                   <C>        <C>        <C>        <C>        <C>
Net asset value, beginning of year................    $ 11.85    $ 11.62    $ 12.51    $ 10.77    $ 9.95
  Income From Investment Operations
    Net investment income.........................       0.46       0.56       0.55       0.54      0.61
    Net gains or losses on investments (both
      realized and unrealized)....................       1.54       0.47      (0.62)      1.87      0.82
                                                      -------    -------    -------    -------    ------
  Total from investment operations................       2.00       1.03      (0.07)      2.41      1.43
                                                      -------    -------    -------    -------    ------
  Less Distributions
    Dividends (from net investment income)........      (0.45)     (0.56)     (0.50)     (0.52)    (0.61)
    Distributions (from capital gains)............      (0.10)     (0.14)     (0.32)     (0.15)
    Distributions in excess of net realized
      gains.......................................                 (0.10)
                                                      -------    -------    -------    -------    ------
  Total distributions.............................      (0.55)     (0.80)     (0.82)     (0.67)    (0.61)
                                                      -------    -------    -------    -------    ------
  Capital contribution from affiliate (see NOTE
    3)............................................       0.03
                                                      -------    -------    -------    -------    ------
Net asset value, end of year......................    $ 13.33    $ 11.85    $ 11.62    $ 12.51    $10.77
                                                      -------    -------    -------    -------    ------
                                                      -------    -------    -------    -------    ------
Total Return:
  Total investment return based on net asset value
    (1)...........................................      17.30%(2)    9.40%    (0.61%)    23.02%    14.79%
Ratios/Supplemental Data:
  Net assets, end of year ($000's omitted)........     27,470     21,105     19,100      8,257     3,887
  Ratio of net expenses to average net assets.....       1.91%      1.94%      1.96%      1.96%     2.07%
  Ratio of net income to average net assets.......       3.47%      4.86%      4.42%      4.54%     5.93%
  Portfolio turnover rate.........................         81%        69%        29%        52%       77%
  Average commission rate per share (3)...........     $.0549
Information assuming no voluntary reimbursement by
 FBL Investment of excess operating expenses (see
 NOTE 3):
  Per share net investment income.................                                     $  0.53
  Ratio of expenses to average net assets.........                                        2.02%
  Amount reimbursed...............................                                     $ 3,497
</TABLE>
 
                                       42
<PAGE>
 
<TABLE>
<CAPTION>
                                                  MONEY MARKET                                       BLUE CHIP
                                                   PORTFOLIO                                         PORTFOLIO
                                ------------------------------------------------  ------------------------------------------------
                                  1996      1995      1994      1993      1992      1996      1995      1994      1993      1992
                                --------  --------  --------  --------  --------  --------  --------  --------  --------  --------
<S>                             <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
Net asset value, beginning of
 year.........................  $   1.00  $   1.00  $   1.00  $   1.00  $   1.00  $  22.85  $  18.75  $  17.69  $  16.78  $  15.38
  Income From Investment
    Operations
    Net investment income.....      0.04      0.04      0.02      0.01      0.03      0.17      0.19      0.14      0.13      0.17
    Net gains or losses on
      investments (both
      realized and
      unrealized).............                                                        3.43      4.05      1.06      0.90      1.47
                                --------  --------  --------  --------  --------  --------  --------  --------  --------  --------
  Total from investment
    operations................      0.04      0.04      0.02      0.01      0.03      3.60      4.24      1.20      1.03      1.64
                                --------  --------  --------  --------  --------  --------  --------  --------  --------  --------
  Less Distributions
    Dividends (from net
      investment income)......     (0.04)    (0.04)    (0.02)    (0.01)    (0.03)    (0.19)    (0.14)    (0.14)    (0.12)    (0.24)
    Distributions (from
      capital gains)..........
    Distributions in excess of
      net realized gains......
                                --------  --------  --------  --------  --------  --------  --------  --------  --------  --------
  Total distributions.........     (0.04)    (0.04)    (0.02)    (0.01)    (0.03)    (0.19)    (0.14)    (0.14)    (0.12)    (0.24)
                                --------  --------  --------  --------  --------  --------  --------  --------  --------  --------
  Capital contribution from
    affiliate (see NOTE 3)....
                                --------  --------  --------  --------  --------  --------  --------  --------  --------  --------
Net asset value, end of
 year.........................  $   1.00  $   1.00  $   1.00  $   1.00  $   1.00  $  26.26  $  22.85  $  18.75  $  17.69  $  16.78
                                --------  --------  --------  --------  --------  --------  --------  --------  --------  --------
                                --------  --------  --------  --------  --------  --------  --------  --------  --------  --------
Total Return:
  Total investment return
    based on net asset value
    (1).......................      3.64%     3.60%     1.47%     1.33%     2.82%    15.83%    22.77%     6.75%     6.21%    10.77%
Ratios/Supplemental Data:
  Net assets, end of year
    ($000's omitted)..........     2,552     2,439     2,627     2,555     2,861    14,641     9,657     6,745     5,415     4,405
  Ratio of net expenses to
    average net assets........      2.00%     2.00%     1.93%     1.94%     2.00%     1.79%     1.78%     1.83%     1.90%     1.92%
  Ratio of net income to
    average net assets........      3.58%     3.51%     1.45%     1.33%     2.83%     0.66%     0.92%     0.75%     0.73%     1.09%
  Portfolio turnover rate.....         0%        0%        0%        0%        0%        3%        1%        1%        0%        0%
  Average commission rate per
    share (3).................                                                    $  .0748
Information assuming no
 voluntary reimbursement by
 FBL Investment of excess
 operating expenses (see NOTE
 3):
  Per share net investment
    income....................  $   0.03  $   0.03
  Ratio of expenses to average
    net assets................      2.43%     2.20%
  Amount reimbursed...........  $ 10,718  $  4,948
</TABLE>
 
                                       43
<PAGE>
REPORT OF INDEPENDENT AUDITORS
 
The Board of Directors and Shareholders
FBL Series Fund, Inc.
 
    We have audited the accompanying statements of assets and liabilities,
including the schedules of investments, of FBL Series Fund, Inc. (comprising,
respectively, the Growth Common Stock, High Grade Bond, High Yield Bond,
Managed, Money Market and Blue Chip Portfolios) as of July 31, 1996, and the
related statements of operations for the year then ended, the statements of
changes in net assets for each of the two years in the period then ended, and
the financial highlights for each of the five years in the period then ended.
These financial statements and financial highlights are the responsibility of
the Fund's management. Our responsibility is to express an opinion on these
financial statements and financial highlights based on our audits.
 
    We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements and financial
highlights are free of material misstatement. An audit includes examining, on a
test basis, evidence supporting the amounts and disclosures in the financial
statements. Our procedures included confirmation of securities owned as of July
31, 1996, by correspondence with the custodian and broker. An audit also
includes assessing the accounting principles used and significant estimates made
by management, as well as evaluating the overall financial statement
presentation. We believe that our audits provide a reasonable basis for our
opinion.
 
    In our opinion, the financial statements and financial highlights referred
to above present fairly, in all material respects, the financial position of
each of the respective portfolios constituting the FBL Series Fund, Inc. at July
31, 1996, the results of their operations for the year then ended, the changes
in their net assets for each of the two years in the period then ended, and the
financial highlights for each of the five years in the period then ended, in
conformity with generally accepted accounting principles.
 
                                          /s/ ERNST & YOUNG LLP
 
Des Moines, Iowa
August 30, 1996
 
                                       44
<PAGE>
                             FBL SERIES FUND, INC.
                                     PART C
                               OTHER INFORMATION
 
ITEM 24.  FINANCIAL STATEMENTS AND EXHIBITS.
 
    (a) Financial Statements:
 
    (i)  Financial Statements included in Part A of Registration Statement:
 
   
        Condensed Financial Information at July 31, 1996
    
 
   
    (ii)  Financial  Statements included  in  Part B  of  Registration Statement
       through  incorporation  by  reference  to  the  1996  Annual  Report   to
       Shareholders of FBL Series Fund, Inc.:
    
 
   
        Report  of Independent Auditors Statements  of Assets and Liabilities at
       July 31, 1996
    
 
   
        Statements of Operations for the year ended July 31, 1996
    
 
   
        Statements of Changes in  Net Assets for the  years ended July 31,  1996
       and 1995
    
 
   
        Schedules of Investments at July 31, 1996
    
 
        Notes to Financial Statements
 
    (b) Exhibits:
 
   
<TABLE>
<C>        <S>
      1.   (a)  Articles of Incorporation (1)
           (b)  Articles of Amendment which became effective in 1977 and 1978 (2)
           (c)  Articles of Amendment which became effective on November 30, 1987 (3)
           (d)  Articles of Amendment which became effective on November 22, 1991 (12)
           (e)    Articles  Supplementary to  the  Charter which  became  effective on
                November 25, 1991 (12)
      2.   By-laws, as amended (3)
      3.   Inapplicable
      4.   Specimen copy of uniform common stock certificate (3)
      5.   Investment Advisory and  Management Services Agreement  dated November  11,
           1987 (4)
      6.   (a)  Underwriting Agreement dated December 31, 1983 (5)
           (b)  Form of Dealer Agreement (4)
           (c)  Administrative Services Agreement dated November 25, 1991 (9)
      7.   Inapplicable
      8.   Custodian Agreement dated January 12, 1993 (12)
      9.   (a)  Fidelity Bond Joint Insureds Agreement (8)
           (b)  Joint Insureds D&O and E&O Agreement (3)
           (c)  Accounting Services Agreement (3)
           (d)     Shareholder  Service,  Dividend  Distributing  and  Transfer  Agent
           Agreement dated September 1, 1995
     10.   Inapplicable
</TABLE>
    
 
                                      C-1
<PAGE>
   
<TABLE>
<C>        <S>
    *11.   Consent of Ernst & Young LLP
     12.   Inapplicable
     13.   Inapplicable
     14.   (a)(1)  Form of Prototype Money  Purchase Pension and Profit Sharing  Plan,
           as amended
           (a)(2)  Form of Adoption Agreements
           (a)(3)  Application Form for Keogh Plan (6)
           (b)(1)  Model Individual Retirement Account, Form 5305-A
           (b)(2)  Model IRA Disclosure Statement (7)
     15.   (a)   Distribution and Shareholder Servicing Plan and Agreement dated as of
                December 1, 1987 (4)
           (b)   Distribution  and  Shareholder Servicing  Plan  and  Agreement  dated
                December 1, 1987, as amended November 25, 1991 (10)
     16.   Schedule for Computation of Performance Data (11)
    *27.   Financial Data Schedules
</TABLE>
    
 
- ------------------------
*    Filed herewith
 
 (1) Previously filed with the initial Registration Statement on Form S-5, filed
     on or about September 26, 1970.
 
 (2) Previously  filed with Post-Effective Amendment  No. 10 to the Registration
     Statement on Form N-1, filed on or about June 29, 1979.
 
 (3) Previously filed with Post-Effective Amendment  No. 22 to the  Registration
     Statement on Form N-1A, filed on or about December 1, 1987.
 
 (4) Previously  filed with Post-Effective Amendment  No. 21 to the Registration
     Statement on Form N-1A, filed on or about September 18, 1987.
 
 (5) Previously filed with Post-Effective Amendment  No. 18 to the  Registration
     Statement on Form N-1A, filed on or about October 2, 1984.
 
 (6) Previously  filed with Post-Effective Amendment  No. 20 to the Registration
     Statement on Form N-1A, filed on or about November 29, 1986.
 
 (7) Previously filed with Post-Effective Amendment  No. 14 to the  Registration
     Statement on Form N-1, filed on or about November 25, 1981.
 
 (8) Previously  filed with Post-Effective Amendment  No. 23 to the Registration
     Statement on Form N-1A, filed on or about November 30, 1988.
 
 (9) Previously filed with Post-Effective Amendment  No. 26 to the  Registration
     Statement on Form N-1A, filed on or about September 26, 1991.
 
(10) Previously  filed with Post-Effective Amendment  No. 26 to the Registration
     Statement on Form N-1A, filed on or about September 26, 1991.
 
(11) Incorporated by  reference  from Post-Effective  Amendment  No. 23  to  the
     Registration Statement on Form N-1A, filed on or about November 30, 1988.
 
   
(12) Previously  filed with Post-Effective Amendment  No. 30 to the Registration
     Statement on Form N-1A, filed on or about December 1, 1995.
    
 
                                      C-2
<PAGE>
ITEM 25.  PERSONS CONTROLLED BY OR UNDER COMMON CONTROL WITH REGISTRANT.
 
    Inapplicable.
 
ITEM 26.  NUMBER OF HOLDERS OF SECURITIES.
 
   
    As of August 31, 1996, the number of record holders of each class of  common
stock of the Registrant were as follows:
    
 
   
<TABLE>
<CAPTION>
                                                          NUMBER OF RECORD
TITLE OF CLASS                                                HOLDERS
- --------------------------------------------------------  ----------------
<S>                                                       <C>
Value Growth Portfolio                                           11,501
High Grade Bond Portfolio                                         1,432
High Yield Bond Portfolio                                         1,567
Managed Portfolio                                                 5,620
Money Market Portfolio                                              234
Blue Chip Portfolio                                               4,277
</TABLE>
    
 
ITEM 27.  INDEMNIFICATION.
 
    The  Maryland Code,  Corporations and Associations,  Section 2-418, provides
for indemnification of directors, officers, employees and agents. Article XVI of
the Registrant's  Articles of  Incorporation restricts  indemnification for  any
officer  or  director  in  cases of  willful  misfeasance,  gross  negligence or
reckless disregard  of the  duties involved  in the  conduct of  their  offices.
Article  XV of the Registrant's By-Laws provides for indemnification of officers
under certain circumstances.
 
   
    The Investment  Advisory  and  Management  Services  Agreement  between  the
Registrant and FBL Investment Advisory Services, Inc. ("Adviser") provides that,
in  the absence of willful misfeasance,  bad faith, gross negligence or reckless
disregard of obligations or  duties thereunder on the  part of the Adviser,  the
Adviser  shall not be liable for any error of judgment or mistake of law, or for
any loss suffered  by the  Fund in  connection with  the matters  to which  such
Agreement relates.
    
 
   
    In  addition, the Registrant maintains a directors and officers "errors" and
"omissions" liability  insurance  policy  under which  the  Registrant  and  its
directors and officers are named insureds.
    
 
   
    Insofar  as indemnification for liabilities arising under the Securities Act
of 1933 ("Act") may be permitted to directors, officers and controlling  persons
of  the  Registrant  pursuant to  the  foregoing provisions,  or  otherwise, the
Registrant has been advised that in  the opinion of the Securities and  Exchange
Commission such indemnification is against public policy as expressed in the Act
and  is, therefore, unenforceable. In the event that a claim for indemnification
against such liabilities (other than the  payment by the Registrant of  expenses
incurred  or paid by a director, officer or controlling person of the Registrant
in the successful defense of any action, suit or proceeding) is asserted by such
director, officer or controlling person in connection with the securities  being
registered, the Registrant will, unless in the opinion of its counsel the matter
has  been settled  by controlling  precedent, submit  to a  court of appropriate
jurisdiction the question whether such  indemnification by it is against  public
policy as expressed in the Act and will be governed by the final adjudication of
such issue.
    
 
ITEM 28.  BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISER.
 
   
    Registrant's  investment adviser  is FBL Investment  Advisory Services, Inc.
("FBL"). In  addition  to its  services  to Registrant  as  investment  adviser,
underwriter, shareholder service, transfer and dividend disbursing agent, all as
set forth in parts A and B of this Registration Statement on Form N-1A, FBL acts
as  adviser, underwriter, shareholder service,  transfer and dividend disbursing
agent for  FBL  Money  Market  Fund, Inc.,  a  diversified  open-end  management
investment  company,  and FBL  Variable Insurance  Series  Fund ,  a diversified
open-end series management investment company.
    
 
                                      C-3
<PAGE>
   
    The principal occupations of the principal executive officers and  directors
of FBL and their services as officers and employees of FBL Financial Group, Inc.
and  its affiliates as disclosed below. The address of FBL Financial Group, Inc.
and its affiliates is 5400 University Avenue, West Des Moines, Iowa 50266.
    
 
   
<TABLE>
<CAPTION>
      NAME AND POSITION(S)
            WITH FBL                                           PRINCIPAL OCCUPATIONS
- ---------------------------------  -----------------------------------------------------------------------------
<S>                                <C>
*Stephen M. Morain, Senior Vice    General Counsel and Assistant Secretary, Iowa Farm Bureau Federation; General
President, General Counsel and      Counsel, Secretary and Director, Farm Bureau Management Corporation; Senior
Director                            Vice President and General Counsel, FBL Financial Group, Inc., Farm Bureau
                                    Life Insurance Company, Universal Assurors Life Insurance Company, Farm
                                    Bureau Mutual Insurance Company, Utah Farm Bureau Insurance Company, FBL
                                    Financial Services, Inc., FBL Insurance Brokerage, Inc. and South Dakota
                                    Farm Bureau Mutual Insurance Company; Senior Vice President, General Counsel
                                    and Director, FBL Marketing Services, Inc.; Vice President and General
                                    Counsel, Western Farm Bureau Life Insurance Company; Director, Computer
                                    Aided Design Software, Inc. and Iowa Business Development Finance
                                    Corporation; Chairman, Edge Technologies, Inc.
Richard D. Warming, President and  Vice President, Chief Investment Officer and Assistant Treasurer, FBL
Director                            Financial Group, Inc., Farm Bureau Life Insurance Company, Universal
                                    Assurors Life Insurance Company, Western Farm Bureau Life Insurance Company,
                                    FBL Insurance Brokerage, Inc., Utah Farm Bureau Insurance Company, FBL
                                    Financial Services, Inc., Farm Bureau Mutual Insurance Company and South
                                    Dakota Farm Bureau Mutual Insurance Company; President and Director, FBL
                                    Leasing Services, Inc.; Vice President, Chief Investment Officer and
                                    Director, FBL Marketing Services, Inc.; Vice President, Secretary and
                                    Director, RIK, Inc; Secretary and Director, FBL Real Estate Ventures, Ltd.
William J. Oddy, Vice President,   Vice President, Chief Operating Officer and Assistant General Manager, FBL
Chief Operating Officer,            Financial Group, Inc., Farm Bureau Life Insurance Company, Universal
Assistant General Manager and       Assurors Life Insurance Company, Western Farm Bureau Life Insurance Company,
Director                            FBL Insurance Brokerage, Inc., Utah Farm Bureau Insurance Company, Farm
                                    Bureau Mutual Insurance Company, South Dakota Farm Bureau Mutual Insurance
                                    Company and FBL Financial Services, Inc.; President, and Director,
                                    Communications Providers, Inc.; Vice President, Chief Operating Officer,
                                    Assistant General Manager and Director, FBL Marketing Services, Inc.;
                                    President and Director, FBL Real Estate Ventures, Ltd. and RIK, Inc.
</TABLE>
    
 
                                      C-4
<PAGE>
   
<TABLE>
<CAPTION>
      NAME AND POSITION(S)
            WITH FBL                                           PRINCIPAL OCCUPATIONS
- ---------------------------------  -----------------------------------------------------------------------------
<S>                                <C>
Dennis M. Marker, Investment Vice  Investment Vice President, Administration, FBL Financial Group, Inc., Farm
President, Administration,          Bureau Life Insurance Company, Universal Assurors Life Insurance Company,
Secretary and Director              Western Farm Bureau Life Insurance Company, FBL Insurance Brokerage, Inc.,
                                    Farm Bureau Mutual Insurance Company, Utah Farm Bureau Insurance Company and
                                    South Dakota Farm Bureau Mutual Insurance Company; Vice President and
                                    Director, FBL Leasing Services, Inc.; Investment Vice President,
                                    Administration, Secretary and Director, FBL Marketing Services, Inc.
Thomas R. Gibson, Executive Vice   Executive Vice President, General Manager and Chief Executive Officer, FBL
President, General Manager and      Financial Group, Inc.; Executive Vice President and General Manager, Farm
Director                            Bureau Life Insurance Company, Universal Assurors Life Insurance Company,
                                    Western Farm Bureau Life Insurance Company, Farm Bureau Mutual Insurance
                                    Company, Utah Farm Bureau Insurance Company, FBL Insurance Brokerage, Inc.,
                                    FBL Financial Services, Inc., and South Dakota Farm Bureau Mutual Insurance
                                    Company; Executive Vice President, General Manager and Director, FBL
                                    Marketing Services, Inc.
Timothy J. Hoffman, Vice           Vice President, Chief Marketing Officer, FBL Financial Group, Inc., Farm
President, Chief Marketing          Bureau Life Insurance Company, Universal Assurors Life Insurance Company,
Officer and Director                Western Farm Bureau Life Insurance Company, Farm Bureau Mutual Insurance
                                    Company, Utah Farm Bureau Insurance Company, FBL Financial Services, Inc.,
                                    South Dakota Farm Bureau Mutual Insurance Company and FBL Insurance
                                    Brokerage, Inc.; President and Director, FBL Marketing Services, Inc. and
                                    FBL Educational Services, Inc.
James W. Noyce, Vice President,    Vice President, Chief Financial Officer, FBL Financial Group, Inc., Farm
Chief Financial Officer,            Bureau Life Insurance Company, Universal Assurors Life Insurance Company,
Treasurer and Director              Western Farm Bureau Life Insurance Company, Farm Bureau Mutual Insurance
                                    Company, Utah Farm Bureau Insurance Company, FBL Insurance Brokerage, Inc.,
                                    FBL Financial Services, Inc. and South Dakota Farm Bureau Mutual Insurance
                                    Company; Vice President, Treasurer and Director; FBL Leasing Services, Inc.
                                    and RIK, Inc.; Vice President, Chief Financial Officer, Treasurer and
                                    Director, FBL Marketing Services, Inc.; Treasurer and Director, FBL Real
                                    Estate Ventures, Ltd.
</TABLE>
    
 
ITEM 29.  PRINCIPAL UNDERWRITERS.
 
    (a) FBL Investment  Advisory Services, Inc.,  the principal underwriter  for
Registrant,   also  acts  as  the  principal  investment  adviser,  underwriter,
shareholder service, transfer and dividend disbursing agent for FBL Money Market
Fund, Inc.,  a  diversified  open-end  management  investment  company  and  FBL
Variable  Insurance  Series  Fund,  a  diversified,  open-end  series management
investment company.
 
                                      C-5
<PAGE>
    (b) The principal business address of each director and principal officer of
the principal  underwriter is  5400  University Avenue,  West Des  Moines,  Iowa
50266.  See Item 28 for information on  the principal officers of FBL Investment
Advisory Services, Inc.,  investment adviser and  principal underwriter for  the
Registrant.
 
    (c) Inapplicable.
 
ITEM 30.  LOCATION OF ACCOUNTS AND RECORDS.
 
    All accounts, books and other documents required to be maintained by Section
31(a)  of the Investment  Company Act of  1940 and the  rules thereunder will be
maintained at the offices of the Registrant and the offices of the Adviser,  FBL
Investment  Advisory Services,  Inc., 5400  University Avenue,  West Des Moines,
Iowa 50266.
 
ITEM 31.  MANAGEMENT SERVICES.
 
    Inapplicable.
 
ITEM 32.  UNDERTAKINGS.
 
    Inapplicable.
 
                                      C-6
<PAGE>
                                   SIGNATURES
 
   
    Pursuant  to  the  requirements  of  the  Securities  Act  of  1933  and the
Investment Company Act of 1940, the registrant has duly caused this registration
statement  to  be  signed  on  its  behalf  by  the  undersigned,  thereto  duly
authorized, in the City of West Des Moines and State of Iowa, on the 24th day of
September, 1996.
    
 
                                FBL SERIES FUND, INC.
                                By: /s/ EDWARD M. WIEDERSTEIN
                                --------------------------------------------
                                Edward M. Wiederstein, President
 
    Pursuant   to  the  requirements  of  the   Securities  Act  of  1933,  this
registration statement has  been signed below  by the following  persons in  the
capacity and on the date indicated.
 
   
  /s/ EDWARD M. WIEDERSTEIN     President and Director      September 24, 1996
- ------------------------------    (Principal Executive      ------------------
    Edward M. Wiederstein         Officer)                        (dated)
 
                                Senior Vice President,
    /s/ RICHARD D. HARRIS         Secretary-Treasurer and   September 24, 1996
- ------------------------------    Director (Principal       ------------------
      Richard D. Harris           Financial and Accounting        (dated)
                                  Officer)
 
                                Senior Vice President,
    /s/ STEPHEN M. MORAIN         General Counsel,          September 24, 1996
- ------------------------------    Assistant Secretary and   ------------------
      Stephen M. Morain           Director                        (dated)
 
    /s/ DONALD G. BARTLING                                  September 24, 1996
- ------------------------------  Director                    ------------------
     Donald G. Bartling*                                          (dated)
 
      /s/ JOHN R. GRAHAM                                    September 24, 1996
- ------------------------------  Director                    ------------------
       John R. Graham*                                            (dated)
 
     /s/ ERWIN H. JOHNSON                                   September 24, 1996
- ------------------------------  Director                    ------------------
      Erwin H. Johnson*                                           (dated)
 
      /s/ ANN JORGENSEN                                     September 24, 1996
- ------------------------------  Director                    ------------------
        Ann Jorgensen*                                            (dated)
 
     /s/ CURTIS C. PIETZ                                    September 24, 1996
- ------------------------------  Director                    ------------------
       Curtis C. Pietz*                                           (dated)
 
    
 
*By:    /s/ STEPHEN M. MORAIN
      -------------------------  Attorney-in-Fact,    pursuant   to   Power   of
          Stephen M. Morain        Attorney.
 
                                      C-7

<PAGE>

                                                                     Exhibit 11

                                   [LETTERHEAD]

                           CONSENT OF INDEPENDENT AUDITORS


The Board of Directors
FBL Series Fund, Inc.

We consent to the reference to our firm under the captions "Condensed Financial
Information" and "General Information - Report to Shareholders" in the
Prospectus for FBL Series Fund, Inc. in Part A and "Other Information -
Independent Auditors" in Part B and to the incorporation by reference of our
report dated August 30, 1996 on the financial statements of FBL Series Fund,
Inc. in this Post Effective Amendment No. 31 to Form N-1A Registration Statement
under the Securities Act of 1933 (No. 2-38512) and in this Amendment No. 31 to
the Registration Statement under the Investment Company Act of 1940
(No. 811-2125).


                                       /s/ Ernst & Young LLP

Des Moines, Iowa
September 20, 1996

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 6
<SERIES>
   <NUMBER> 1
   <NAME> GROWTH COMMON STOCK
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          JUL-31-1996
<PERIOD-END>                               JUL-31-1996
<INVESTMENTS-AT-COST>                         86330501
<INVESTMENTS-AT-VALUE>                        85946944
<RECEIVABLES>                                   153346
<ASSETS-OTHER>                                  412809
<OTHER-ITEMS-ASSETS>                             51545
<TOTAL-ASSETS>                                86564644
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        30767
<TOTAL-LIABILITIES>                              30767
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                      73419617
<SHARES-COMMON-STOCK>                          5894384
<SHARES-COMMON-PRIOR>                          5441946
<ACCUMULATED-NII-CURRENT>                       494106
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                       10297817
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       2316443
<NET-ASSETS>                                  86533877
<DIVIDEND-INCOME>                              2131001
<INTEREST-INCOME>                               682898
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                 1307441
<NET-INVESTMENT-INCOME>                        1506458
<REALIZED-GAINS-CURRENT>                      11563616
<APPREC-INCREASE-CURRENT>                         6359
<NET-CHANGE-FROM-OPS>                        130746433
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                      2469514
<DISTRIBUTIONS-OF-GAINS>                       1454239
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                         676503
<NUMBER-OF-SHARES-REDEEMED>                     496485
<SHARES-REINVESTED>                             272420
<NET-CHANGE-IN-ASSETS>                        15587374
<ACCUMULATED-NII-PRIOR>                        1457162
<ACCUMULATED-GAINS-PRIOR>                       188440
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                           404117
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                1307441
<AVERAGE-NET-ASSETS>                          76203999
<PER-SHARE-NAV-BEGIN>                            13.04
<PER-SHARE-NII>                                   0.27
<PER-SHARE-GAIN-APPREC>                           2.10
<PER-SHARE-DIVIDEND>                              0.46
<PER-SHARE-DISTRIBUTIONS>                         0.27
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              14.68
<EXPENSE-RATIO>                                   1.62
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 6
<SERIES>
   <NUMBER> 3
   <NAME> HIGH GRADE BOND
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          JUL-31-1996
<PERIOD-END>                               JUL-31-1996
<INVESTMENTS-AT-COST>                          8782711
<INVESTMENTS-AT-VALUE>                         8906938
<RECEIVABLES>                                   176960
<ASSETS-OTHER>                                    1308
<OTHER-ITEMS-ASSETS>                             47197
<TOTAL-ASSETS>                                 9132403
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        10229
<TOTAL-LIABILITIES>                              10229
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       9027557
<SHARES-COMMON-STOCK>                           897708
<SHARES-COMMON-PRIOR>                           813312
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                        (30508)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                        124227
<NET-ASSETS>                                   9122174
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                               703030
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                  161839
<NET-INVESTMENT-INCOME>                         541191
<REALIZED-GAINS-CURRENT>                          8240
<APPREC-INCREASE-CURRENT>                      (94954)
<NET-CHANGE-FROM-OPS>                           454477
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                       541191
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                         145140
<NUMBER-OF-SHARES-REDEEMED>                     101202
<SHARES-REINVESTED>                              40458
<NET-CHANGE-IN-ASSETS>                          777145
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                      (38748)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            34843
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 161839
<AVERAGE-NET-ASSETS>                           8686980
<PER-SHARE-NAV-BEGIN>                            10.26
<PER-SHARE-NII>                                   0.64
<PER-SHARE-GAIN-APPREC>                         (0.10)
<PER-SHARE-DIVIDEND>                              0.64
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.16
<EXPENSE-RATIO>                                   1.85
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 6
<SERIES>
   <NUMBER> 4
   <NAME> HIGH YIELD BOND
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          JUL-31-1996
<PERIOD-END>                               JUL-31-1996
<INVESTMENTS-AT-COST>                          7170126
<INVESTMENTS-AT-VALUE>                         7058968
<RECEIVABLES>                                   192833
<ASSETS-OTHER>                                     138
<OTHER-ITEMS-ASSETS>                            107751
<TOTAL-ASSETS>                                 7359690
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        10326
<TOTAL-LIABILITIES>                              10326
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       7389460
<SHARES-COMMON-STOCK>                           735632
<SHARES-COMMON-PRIOR>                           666735
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                          70326
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                      (111158)
<NET-ASSETS>                                   7349364
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                               641933
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                  135780
<NET-INVESTMENT-INCOME>                         506153
<REALIZED-GAINS-CURRENT>                         99065
<APPREC-INCREASE-CURRENT>                     (107265)
<NET-CHANGE-FROM-OPS>                           497953
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                       506153
<DISTRIBUTIONS-OF-GAINS>                         21547
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                         158195
<NUMBER-OF-SHARES-REDEEMED>                     125359
<SHARES-REINVESTED>                              36061
<NET-CHANGE-IN-ASSETS>                          658857
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                       (7192)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            37339
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 151141
<AVERAGE-NET-ASSETS>                           6770376
<PER-SHARE-NAV-BEGIN>                            10.03
<PER-SHARE-NII>                                   0.75
<PER-SHARE-GAIN-APPREC>                         (0.01)
<PER-SHARE-DIVIDEND>                              0.75
<PER-SHARE-DISTRIBUTIONS>                         0.03
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.99
<EXPENSE-RATIO>                                   2.00
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 6
<SERIES>
   <NUMBER> 6
   <NAME> MANAGED
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          JUL-31-1996
<PERIOD-END>                               JUL-31-1996
<INVESTMENTS-AT-COST>                         26306834
<INVESTMENTS-AT-VALUE>                        27312173
<RECEIVABLES>                                   115411
<ASSETS-OTHER>                                     384
<OTHER-ITEMS-ASSETS>                             81404
<TOTAL-ASSETS>                                27509372
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        39596
<TOTAL-LIABILITIES>                              39596
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                      24489773
<SHARES-COMMON-STOCK>                          2061227
<SHARES-COMMON-PRIOR>                          1780492
<ACCUMULATED-NII-CURRENT>                          488
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                        1972115
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       1005339
<NET-ASSETS>                                  27469776
<DIVIDEND-INCOME>                               697044
<INTEREST-INCOME>                               637058
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                  473665
<NET-INVESTMENT-INCOME>                         860437
<REALIZED-GAINS-CURRENT>                       2276504
<APPREC-INCREASE-CURRENT>                       531462
<NET-CHANGE-FROM-OPS>                          3668403
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                       861221
<DISTRIBUTIONS-OF-GAINS>                        188116
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                         388866
<NUMBER-OF-SHARES-REDEEMED>                     180489
<SHARES-REINVESTED>                              72358
<NET-CHANGE-IN-ASSETS>                         6364950
<ACCUMULATED-NII-PRIOR>                           1272
<ACCUMULATED-GAINS-PRIOR>                     (161255)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                           148741
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 473665
<AVERAGE-NET-ASSETS>                          24722492
<PER-SHARE-NAV-BEGIN>                            11.85
<PER-SHARE-NII>                                   0.46
<PER-SHARE-GAIN-APPREC>                           1.54
<PER-SHARE-DIVIDEND>                              0.45
<PER-SHARE-DISTRIBUTIONS>                         0.10
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              13.33
<EXPENSE-RATIO>                                   1.91
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 6
<SERIES>
   <NUMBER> 7
   <NAME> BLUE CHIP
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          JUL-31-1996
<PERIOD-END>                               JUL-31-1996
<INVESTMENTS-AT-COST>                          9814464
<INVESTMENTS-AT-VALUE>                        14503774
<RECEIVABLES>                                    19166
<ASSETS-OTHER>                                     230
<OTHER-ITEMS-ASSETS>                            131206
<TOTAL-ASSETS>                                14654376
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        13170
<TOTAL-LIABILITIES>                              13170
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       9734104
<SHARES-COMMON-STOCK>                           557473
<SHARES-COMMON-PRIOR>                           422597
<ACCUMULATED-NII-CURRENT>                        34363
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                         182872
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       4689310
<NET-ASSETS>                                  14641206
<DIVIDEND-INCOME>                               240236
<INTEREST-INCOME>                                57113
<OTHER-INCOME>                                       0
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</TABLE>

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 6
<SERIES>
   <NUMBER> 8
   <NAME> MONEY MARKET
       
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</TABLE>


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