SECURITY INCOME FUND /KS/
485APOS, 2000-02-29
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<PAGE>
                                                       Registration No. 811-2120
                                                       Registration No. 2-38414
================================================================================
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933                      [_]
     Post-Effective Amendment No.  66                                        [X]
                                 ------

                                     and/or

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940              [_]
     Post-Effective Amendment No.  66                                        [X]
                                 ------

                        (Check appropriate box or boxes)

                              SECURITY INCOME FUND
               (Exact Name of Registrant as Specified in Charter)

                 700 HARRISON STREET, TOPEKA, KANSAS 66636-0001
                (Address of Principal Executive Offices/Zip Code)

               Registrant's Telephone Number, including area code:
                                 (785) 431-3127

                                                           Copies To:

John D. Cleland, President                                 Amy J. Lee, Secretary
Security Income Fund                                       Security Income Fund
700 Harrison Street                                        700 Harrison Street
Topeka, KS 66636-0001                                      Topeka, KS 66636-0001
(Name and address of Agent for Service)

Approximate date of proposed public offering:  May 1, 2000

It is proposed that this filing will become effective (check appropriate box):

[_] immediately upon filing pursuant to paragraph (b)
[_] on May 1, 2000, pursuant to paragraph (b)
[_] 60 days after filing pursuant to paragraph (a)(1)
[X] on May 1, 2000, pursuant to paragraph (a)(1)
[_] 75 days after filing pursuant to paragraph (a)(2)
[_] on May 1, 2000, 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
<PAGE>
                              SECURITY INCOME FUND
                                    FORM N-1A

This  Amendment to the  Registration  Statement of Security  Income Fund,  which
contains five series, relates only to the Corporate Bond, Limited Maturity Bond,
Diversified  Income and High Yield  Series.  The  prospectus  and  statement  of
additional  information  for the Capital  Preservation  Series are  incorporated
herein by reference to the Registrant's  most recent filing under Rule 497 under
the Securities Act of 1933.

                  PART B.  STATEMENT OF ADDITIONAL INFORMATION

ITEM 22.  FINANCIAL STATEMENTS

To be filed by amendment.
<PAGE>
                                          SECURITY FUNDS
================================================================================
                                          PROSPECTUS


                                          MAY 1, 2000



                                          *  Security Corporate Bond Fund

                                          *  Security Limited Maturity Bond Fund

                                          *  Security Diversified Income Fund
                                             (Formerly U.S. Government Fund)

                                          *  Security High Yield Fund

                                          *  Security Municipal Bond Fund

                                          *  Security Cash Fund




                                          --------------------------------------
                                          The Securities and Exchange Commission
                                          has not approved or disapproved  these
                                          securities or passed upon the accuracy
                                          or  adequacy of this  prospectus.  Any
                                          representation  to the  contrary  is a
                                          criminal offense.
                                          --------------------------------------




                                          [SDI LOGO]
                                          SECURITY DISTRIBUTORS, INC.
                                          A Member of The Security Benefit
                                          Group of Companies
<PAGE>
                               TABLE OF CONTENTS
- --------------------------------------------------------------------------------

PROPOSED REORGANIZATION....................................................    2
FUNDS' OBJECTIVES..........................................................    2
  Security Corporate Bond Fund.............................................    2
  Security Limited Maturity Bond Fund......................................    2
  Security Diversified Income Fund.........................................    2
  Security High Yield Fund.................................................    2
  Security Municipal Bond Fund.............................................    2
  Security Cash Fund.......................................................    2
FUNDS' PRINCIPAL INVESTMENT STRATEGIES.....................................    3
  Security Corporate Bond Fund.............................................    3
  Security Limited Maturity Bond Fund......................................    3
  Security Diversified Income Fund.........................................    4
  Security High Yield Fund.................................................    5
  Security Municipal Bond Fund.............................................    6
  Security Cash Fund.......................................................    7
MAIN RISKS.................................................................    7
  Interest Rate Risk.......................................................    7
  Credit Risk..............................................................    7
  Prepayment Risk..........................................................    7
  Special Risks Associated with Mortgage-Backed Securities.................    7
  Special Risks Associated with Interest Rate Swap Agreements..............    8
  Foreign Securities.......................................................    8
  Restricted Securities....................................................    8
  High Yield Securities....................................................    8
  Municipal Market Risk....................................................    8
  Lack of Diversification..................................................    8
  Additional Information...................................................    8
PAST PERFORMANCE...........................................................    8
FEES AND EXPENSES OF THE FUNDS.............................................   12
INVESTMENT MANAGER.........................................................   14
  Management Fees..........................................................   14
  Portfolio Managers.......................................................   14
BUYING SHARES..............................................................   15
  Class A Shares...........................................................   15
  Class A Distribution Plan................................................   15
  Class B Shares...........................................................   15
  Class B Distribution Plan................................................   15
  Class C Shares...........................................................   16
  Class C Distribution Plan................................................   16
  Cash Fund................................................................   16
  Waiver of Deferred Sales Charge..........................................   17
  Confirmations and Statements.............................................   17
SELLING SHARES.............................................................   17
  By Mail..................................................................   17
  By Telephone.............................................................   18
  By Broker................................................................   18
  Cash Fund................................................................   18
  Payment of Redemption Proceeds...........................................   18
DIVIDENDS AND TAXES........................................................   18
  Tax on Distributions.....................................................   18
  Taxes on Sales or Exchanges..............................................   19
  Backup Withholding.......................................................   19
DETERMINATION OF NET ASSET VALUE...........................................   19
SHAREHOLDER SERVICES.......................................................   19
  Accumulation Plan........................................................   19
  Systematic Withdrawal Program............................................   19
  Exchange Privilege.......................................................   20
  Retirement Plans.........................................................   21
GENERAL INFORMATION........................................................   21
  Shareholder Inquiries....................................................   21
INVESTMENT POLICIES AND MANAGEMENT PRACTICES...............................   21
  Convertible Securities...................................................   21
  Foreign Securities.......................................................   21
  Asset-Backed Securities..................................................   21
  Mortgage-Backed Securities...............................................   22
  Restricted Securities....................................................   22
  Lower Rate Debt Securities...............................................   23
  U.S. Government Securities...............................................   23
  Guaranteed Investment Contracts ("GICs").................................   23
  Cash Reserves............................................................   23
  Borrowing................................................................   23
  Futures and Options......................................................   24
  Swaps, Caps, Floors and Collars..........................................   24
  When-Issued Securities and Forward Commitment Contracts..................   24
  Portfolio Turnover.......................................................   24
FINANCIAL HIGHLIGHTS.......................................................   25
APPENDIX A
  Description of Short-Term Instruments....................................   31
  Description of Commercial Paper Ratings..................................   31
  Description of Corporate Bond Ratings....................................   31
APPENDIX B
  Description of Municipal Bond Ratings....................................   33
  Ratings of Short-Term Securities.........................................   34
APPENDIX C
  Reduced Sales Charges....................................................   35
SECURITY CASH FUND APPLICATION.............................................   36

<PAGE>
PROPOSED REORGANIZATION

The Board of  Directors  of  Security  Income Fund has  unanimously  approved an
Agreement  and Plan of  Reorganization  ("Agreement")  between each of Corporate
Bond Series and Limited  Maturity  Bond Series,  and  Diversified  Income Series
(formerly U.S. Government Series), of Security Income Fund.

The Agreement  provides for the transfer of all of the assets and the assumption
of all of the  liabilities  of Corporate  Bond Series and Limited  Maturity Bond
Series of Security  Income Fund  solely in  exchange  for shares of  Diversified
Income  Series of Security  Income Fund equal in value to the relative net asset
value of the  outstanding  shares of Corporate Bond Series and Limited  Maturity
Bond Series,  respectively,  of Security  Income Fund.  Following such exchange,
Diversified Income Series will distribute such shares pro rata in liquidation of
Corporate Bond Series and Limited  Maturity Bond Series of Security  Income Fund
as provided in the Agreement (the transactions contemplated by the Agreement are
referred to as the "Reorganization").


The  Reorganization  can be  consummated  only if,  among  other  things,  it is
approved with respect to Corporate Bond Series and Limited  Maturity Bond Series
by a majority vote of  shareholders of each of Corporate Bond Series and Limited
Maturity Bond Series,  respectively.  A Special  Meeting (the  "Meeting") of the
Shareholders  of Corporate Bond Series and Limited  Maturity Bond Series will be
held on April 26, 2000,  and approval of the Agreement  will be voted on at that
time. In connection with the Meeting, Corporate Bond Series and Limited Maturity
Bond Series of Security Income Fund will be delivering to their  shareholders of
record a Proxy Statement/Prospectus describing the Reorganization .


If the Agreement is approved at the Meeting and certain  conditions  required by
the Agreement are satisfied,  the Reorganization is expected to become effective
on or about May 1, 2000. If shareholder approval of the Agreement is delayed due
to  failure  to meet a quorum  or  otherwise,  the  Reorganization  will  become
effective, if approved, as soon as practicable thereafter.


In the event the  shareholders  of Corporate Bond Series of Security Income Fund
and/or the  shareholders of Limited Maturity Bond Series of Security Income Fund
fail to approve  the  Agreement,  and such  Series  would  continue to engage in
business as a registered  investment  company and the Board of  Directors  would
consider other proposals for the reorganization or liquidation of such Series.

FUNDS' OBJECTIVES


Described below are the investment objectives for each of the Funds. Each Fund's
Board  of  Directors  may  change  the  Fund's   investment   objective  without
shareholder  approval.  As with any  investment,  there can be no guarantee  the
Funds will achieve their investment objectives.

SECURITY  CORPORATE  BOND  FUND -- The  Corporate  Bond Fund  seeks to  preserve
capital while generating interest income.

SECURITY  LIMITED  MATURITY BOND FUND -- The Limited  Maturity Bond Fund seeks a
high level of income  consistent  with moderate  price  fluctuation by investing
primarily in short- and intermediate-term bonds.

SECURITY  DIVERSIFIED  INCOME  FUND  (FORMERLY  U.S.  GOVERNMENT  FUND)  --  The
Diversified  Income Fund seeks to provide a high level of  interest  income with
security of principal.

SECURITY  HIGH YIELD FUND -- The High  Yield  Fund  seeks high  current  income.
Capital appreciation is a secondary objective.

SECURITY  MUNICIPAL BOND FUND -- The Municipal Bond Fund seeks to obtain as high
a level of  interest  income  exempt from  regular  federal  income  taxes as is
consistent with preservation of stockholders' capital.

SECURITY  CASH FUND -- The Cash Fund seeks as high a level of current  income as
is consistent with preservation of capital and liquidity.

- --------------------------------------------------------------------------------
WHAT DOES IT MEAN TO "PRESERVE CAPITAL"?  CAPITAL, also called PRINCIPAL, refers
to the  amount of money  that you  invest in a fund.  If you choose to have your
dividends and other distributions reinvested in additional shares of a fund, the
amount of the distributions will be added to your initial investment to increase
the amount of your capital.  A fund that seeks to preserve  capital  attempts to
conserve the investor's  purchase  payments and reinvested  dividends.  However,
there can be no assurance  that any fund will be successful  in preserving  your
capital.
- --------------------------------------------------------------------------------

FUNDS' PRINCIPAL INVESTMENT STRATEGIES


SECURITY  CORPORATE BOND FUND -- The Fund pursues its  objectives,  under normal
circumstances,  by investing primarily in a diversified  portfolio of investment
grade corporate debt securities.  The Fund's average dollar weighted maturity is
normally expected to be between 5 and 15 years. Under normal  circumstances,  at
least  65% of the  Fund's  total  assets  will be  invested  in  corporate  debt
securities  which at the time of issuance have a maturity greater than one year.
The debt  securities  in which  the Fund  invests  will  primarily  be  domestic
securities,  but may also include  dollar  denominated  foreign  securities.  To
manage risk, the Investment Manager  diversifies the Fund's holdings among asset
classes and individual  securities.  Some of the asset classes in which the Fund
may invest include  investment grade corporate debt securities,  high yield debt
securities  (also known as "junk  bonds"),  mortgage-backed  securities and U.S.
Government securities.

- --------------------------------------------------------------------------------
DEBT  SECURITIES,  which are also called BONDS or DEBT  OBLIGATIONS,  are like a
loan. The issuer of the bond, which could be the U.S. Government, a corporation,
or a city or state, borrows money from investors and agrees to pay back the loan
amount (the  PRINCIPAL)  on a certain date (the  MATURITY  DATE).  Usually,  the
issuer also agrees to pay  interest  on certain  dates  during the period of the
loan. Some bonds,  such as ZERO COUPON BONDS,  do not pay interest,  but instead
pay back more at maturity than the original loan. Most bonds pay a fixed rate of
interest  (or  income),   although  some  bonds'   interest   rates  may  adjust
periodically based upon a market rate. Payment-in-kind bonds pay interest in the
form of additional securities.


INVESTMENT  GRADE  SECURITIES are debt securities that have been determined by a
rating agency to have a medium to high probability of being paid, although there
is always a risk of default. Investment grade securities are rated BBB, A, AA or
AAA by Standard & Poor's Corporation and Fitch Investors  Service,  Inc. or Baa,
A, Aa or Aaa by Moody's Investors Service.
- --------------------------------------------------------------------------------

The Investment  Manager uses a "bottom-up"  approach in selecting  asset classes
and securities.  The Investment Manager emphasizes  rigorous credit analysis and
relative value in selecting securities. The Investment Manager's credit analysis
includes looking at factors such as an issuer's management experience,  position
in its market, and capital structure.

- --------------------------------------------------------------------------------
BOTTOM-UP  APPROACH  means  that  the  Investment  Manager  looks  primarily  at
individual  issuers against the context of broader market  factors.  Some of the
factors which the Investment Manager looks at when analyzing  individual issuers
include relative earnings growth,  profitability  trends, the issuer's financial
strength, valuation analysis and strength of management.
- --------------------------------------------------------------------------------

To determine the relative value of a security,  the Investment  Manager compares
the credit risk and yield of the  security to the credit risk and yield of other
securities of the same or another asset class. Higher quality securities tend to
have lower  yields than lower  quality  securities.  Based upon  current  market
conditions,  the Investment Manager will consider the relative risks and rewards
of various asset classes and securities in selecting securities for the Fund.

- --------------------------------------------------------------------------------
CREDIT QUALITY RATING is a measure of the issuer's  expected ability to make all
required interest and principal payments in a timely manner.

An issuer with the highest  credit  rating has a very strong degree of certainty
(or  safety)  with  respect  to  making  all   payments.   An  issuer  with  the
second-highest credit rating has a strong capacity to make all payments, but the
degree of safety is  somewhat  less.  An issuer with the lowest  credit  quality
rating may be in default  or have  extremely  poor  prospects  of making  timely
payment of interest  and  principal.  See  Appendix A and B for a more  complete
discussion of the meaning of the different credit quality ratings.
- --------------------------------------------------------------------------------


The Investment Manager may determine to sell a security (1) if it can purchase a
security with a better  relative  value;  (2) if a security's  credit rating has
been changed; (3) if the Investment Manager believes diversification of the Fund
is  compromised  due to  mergers  or  acquisitions;  or (4) to  meet  redemption
requests.


Under adverse market conditions, the Fund could invest some or all of its assets
in cash, debt obligations  consisting of repurchase  agreements and money market
instruments of foreign or domestic issuers and the U.S. and foreign governments.
Although the Fund would do this only in seeking to avoid losses, the Fund may be
unable to pursue its investment  objective during that time, and it could reduce
the benefit from any upswing in the market.


SECURITY  LIMITED  MATURITY  BOND FUND -- The Fund pursues its  objective  under
normal  circumstances  by  investing  in a broad range of debt  securities  with
maturities  of 15  years  or  less.  The Fund  considers  debt  securities  with
maturities  of 15 years or less to be short to  intermediate-term  bonds.  Under
normal  circumstances,  the Fund  will  invest  at least 65% of the value of its
total assets in short to  intermediate-term  bonds.  The Fund's  average  dollar
weighted  maturity  is normally  expected to be between 2 to 10 years.  The debt
securities in which the Fund invests will primarily be domestic securities,  but
may also include  dollar  denominated  foreign  securities.  To manage risk, the
Investment  Manager  diversifies  the Fund's  holdings  among asset  classes and
individual  securities.  Some of the asset  classes in which the Fund may invest
include  investment grade corporate debt securities,  high yield debt securities
(also known as "junk bonds"),  mortgage  backed  securities and U.S.  Government
securities.


The Investment  Manager uses a "bottom-up"  approach in selecting  asset classes
and securities.  The Investment Manager emphasizes  rigorous credit analysis and
relative value in selecting securities. The Investment Manager's credit analysis
includes  looking at factors  such as an issuer's  cash flow,  general  economic
factors and market conditions and world market conditions.

To determine the relative value of a security,  the Investment  Manager compares
the credit risk and yield of the  security to the credit risk and yield of other
securities of the same or another asset class. Higher quality securities tend to
have lower  yields than lower  quality  securities.  Based upon  current  market
conditions,  the Investment Manager will consider the relative risks and rewards
of various asset classes and securities in selecting securities for the Fund.

The Investment Manager may determine to sell a security (1) if it can purchase a
security with a better  relative  value;  (2) if a security's  credit rating has
been changed; or (3) to meet redemption requests.


Under adverse market conditions, the Fund could invest some or all of its assets
in  cash,  U.S.  Government   securities,   commercial  notes  or  money  market
instruments.  Although  the Fund would do this only in seeking to avoid  losses,
the Fund may be unable to pursue its investment  objective during that time, and
it could reduce the benefit from any upswing in the market.

SECURITY DIVERSIFIED INCOME FUND -- The Fund pursues its objective, under normal
circumstances,  by investing primarily in a diversified  portfolio of investment
grade debt securities.  The Fund expects to maintain a weighted average duration
of 4 to 10 years.  The debt  securities in which the Fund invests will primarily
be  domestic  securities,  but  may  also  include  dollar  denominated  foreign
securities.  To manage  risk,  the  Investment  Manager  diversifies  the Fund's
holdings  among  asset  classes  and  individual  securities.  Some of the asset
classes in which the Fund may invest  include  investment  grade  corporate debt
securities,  high yield debt securities (also known as "junk bonds"), investment
grade mortgage-backed securities, investment grade asset-backed securities, U.S.
Government securities and total return swap agreements.

- --------------------------------------------------------------------------------
DEBT  SECURITIES,  which are also called BONDS or DEBT  OBLIGATIONS,  are like a
loan. The issuer of the bond, which could be the U.S. Government, a corporation,
or a city or state, borrows money from investors and agrees to pay back the loan
amount (the  PRINCIPAL)  on a certain date (the  MATURITY  DATE).  Usually,  the
issuer also agrees to pay  interest  on certain  dates  during the period of the
loan. Some bonds,  such as ZERO COUPON BONDS,  do not pay interest,  but instead
pay back more at maturity than the original loan. Most bonds pay a fixed rate of
interest  (or  income),   although  some  bonds'   interest   rates  may  adjust
periodically based upon a market rate. Payment-in-kind bonds pay interest in the
form of additional securities.


INVESTMENT  GRADE  SECURITIES are debt securities that have been determined by a
rating agency to have a medium to high probability of being paid, although there
is always a risk of default. Investment grade securities are rated BBB, A, AA or
AAA by Standard & Poor's Corporation and Fitch Investors  Service,  Inc. or Baa,
A, Aa or Aaa by Moody's Investors Service.


TOTAL RETURN SWAP AGREEMENTS  involve the payment by the Fund of a floating rate
of interest in exchange for the total rate of return on a benchmark  index.  For
example, instead of investing in the securities of a particular benchmark index,
the Fund could enter into a swap  agreement  and receive the total return of the
benchmark index, in return for a floating rate payment to the counterparty.

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

The Investment  Manager uses a "bottom-up"  approach in selecting  asset classes
and securities.  The Investment Manager emphasizes  rigorous credit analysis and
relative value in selecting securities. The Investment Manager's credit analysis
includes  looking at factors  such as an issuer's  management  experience,  cash
flow,  position in its market,  capital structure,  general economic factors and
market conditions, as well as world market conditions.

- --------------------------------------------------------------------------------
BOTTOM-UP  APPROACH  means  that  the  Investment  Manager  looks  primarily  at
individual  issuers against the context of broader market  factors.  Some of the
factors which the Investment Manager looks at when analyzing  individual issuers
include relative earnings growth,  profitability  trends, the issuer's financial
strength, valuation analysis and strength of management.
- --------------------------------------------------------------------------------

To determine the relative value of a security,  the Investment  Manager compares
the credit risk and yield of the  security to the credit risk and yield of other
securities of the same or another asset class. Higher quality securities tend to
have lower  yields than lower  quality  securities.  Based upon  current  market
conditions,  the Investment Manager will consider the relative risks and rewards
of various asset classes and securities in selecting securities for the Fund.

- --------------------------------------------------------------------------------
CREDIT QUALITY RATING is a measure of the issuer's  expected ability to make all
required interest and principal payments in a timely manner.

An issuer with the highest  credit  rating has a very strong degree of certainty
(or  safety)  with  respect  to  making  all   payments.   An  issuer  with  the
second-highest credit rating has a strong capacity to make all payments, but the
degree of safety is  somewhat  less.  An issuer with the lowest  credit  quality
rating may be in default  or have  extremely  poor  prospects  of making  timely
payment of interest  and  principal.  See  Appendix A and B for a more  complete
discussion of the meaning of the different credit quality ratings.
- --------------------------------------------------------------------------------


The Investment Manager may determine to sell a security (1) if it can purchase a
security with a better  relative  value;  (2) if a security's  credit rating has
been changed; (3) if the Investment Manager believes diversification of the Fund
is  compromised  due to  mergers  or  acquisitions;  or (4) to  meet  redemption
requests.


Under adverse market conditions, the Fund could invest some or all of its assets
in cash, debt obligations  consisting of repurchase  agreements and money market
instruments of foreign or domestic issuers and the U.S. and foreign governments.
Although the Fund would do this only in seeking to avoid losses, the Fund may be
unable to pursue its investment  objective during that time, and it could reduce
the benefit from any upswing in the market.

SECURITY  HIGH  YIELD  FUND -- The  Fund  pursues  its  objective  under  normal
circumstances  by  investing  in a broad  range of  high-yield,  high  risk debt
securities  rated in medium or lower  rating  categories  or  determined  by the
Investment Manager to be of comparable quality ("junk bonds"). However, the Fund
will not  invest  in debt  securities  which,  at the time of  purchase,  are in
default.  The debt  securities  in which  the Fund  invests  will  primarily  be
domestic securities, but may also include dollar denominated foreign securities.
The Fund may also  invest  in  equity  securities  and  securities  with  equity
characteristics,  including  common and preferred  stocks,  American  Depositary
Receipts,  warrants and rights and real estate investment trusts ("REITS").  The
Fund's  average  dollar  weighted  maturity  is  expected to be between 5 and 15
years. Under normal circumstances,  at least 65% of the Fund's total assets will
be invested in high yielding, high risk debt securities.

- --------------------------------------------------------------------------------
HIGH YIELD  SECURITIES are debt securities that have been determined by a rating
agency to have a lower  probability of being paid and have a credit rating of BB
or lower by Standard & Poor's Corporation and Fitch Investors  Service,  Inc. or
Ba or lower by Moody's Investors Service. These securities are more volatile and
normally pay higher yields than investment grade securities.
- --------------------------------------------------------------------------------

The  Investment  Manager uses a  "bottom-up"  approach in  selecting  high yield
securities.  The Investment  Manager  emphasizes  rigorous  credit  analysis and
relative value in selecting securities. The Investment Manager's credit analysis
includes  looking at factors such as an issuer's debt service coverage (i.e. its
ability to make interest payments on its debt), the issuer's cash flow,  general
economic factors and market conditions and world market conditions.

To determine the relative value of a security,  the Investment  Manager compares
the  security's  credit  risk and  yield to the  credit  risk and yield of other
securities.  The Investment  Manager is looking for securities that appear to be
inexpensive relative to other comparable securities and securities that have the
potential  for an upgrade of their credit  rating.  A rating  upgrade  typically
would increase the value of the security.  The Investment  Manager focuses on an
issuer's management experience, position in its market, and capital structure in
assessing  its value.  The  Investment  Manager  seeks to  diversify  the Fund's
holdings among securities and asset classes.

The Investment Manager may determine to sell a security (1) if it can purchase a
security with a better  relative  value;  (2) if a security's  credit rating has
been  changed;  or  (3)  to  meet  redemption  requests.


Under adverse market conditions, the Fund could invest some or all of its assets
in  cash,  U.S.  Government   securities,   commercial  notes  or  money  market
instruments.  Although  the Fund would do this only in seeking to avoid  losses,
the Fund may be unable to pursue its investment  objective during that time, and
it could reduce the benefit from any upswing in the market.


SECURITY  MUNICIPAL  BOND FUND -- The Fund  pursues its  objective  under normal
circumstances  by investing at least 80% of its net assets in  investment  grade
municipal bond  obligations  that are exempt from regular  federal income taxes.
The Fund intends to emphasize investments in municipal securities with long-term
maturities  between 12 and 30 years,  and expects to maintain a  dollar-weighted
average  duration  of 7 to 11 years.  A portion of the Fund's  dividends  may be
subject to the federal alternative minimum tax. Accordingly, the Fund may not be
a suitable  investment for individuals or  corporations  that are subject to the
federal alternative minimum tax.

- --------------------------------------------------------------------------------
MUNICIPAL  SECURITIES are debt obligations of states,  cities,  towns, and other
political subdivisions,  agencies or public authorities, which pay interest that
is exempt from regular  federal income tax.  Municipal  securities  also include
debt  obligations  of other  qualifying  issuers such as Puerto Rico,  Guam, the
Virgin Islands and Native American Tribes. Municipal securities are often issued
to raise money for public  services and projects such as schools,  hospitals and
public   transportation   systems.   Some  municipal  securities  (for  example,
INDUSTRIAL  DEVELOPMENT  BONDS) may be backed by private  companies  and used to
provide financing for corporate  facilities or other private  projects.  In most
states, municipal securities issued by entities within the state are also exempt
from that state's taxes. Municipal securities may be in the form of BONDS, NOTES
and  COMMERCIAL  PAPER,  may have a fixed or floating  rate of  interest,  or be
issued as ZERO COUPON BONDS.

MUNICIPAL  BONDS  are  divided  into  two  principal  classifications:   GENERAL
OBLIGATION  BONDS and REVENUE BONDS. A GENERAL  OBLIGATION BOND is backed by the
full faith,  credit and taxing power of the issuer.  A REVENUE BOND is linked to
an income-producing  project that pays interest and repays principal only to the
extent  adequate funds are generated by the project.  A REVENUE BOND may include
PRIVATE ACTIVITY BONDS.

DURATION  is a  measure  of a  bond's  price  volatility.  It is a tool  used to
approximate  the  percentage  change in a bond's price for a given change in its
yield. A duration of 5, for example,  means the price of the bond will change by
approximately 5% in response to a 1% change in yield.
- --------------------------------------------------------------------------------

The Fund's Sub-Adviser,  Salomon Brothers Asset Management Inc, concentrates the
portfolio's   investments  in  investment  grade  municipal  securities,   which
represent  a large  market  segment of the  municipal  market and offer a higher
degree of liquidity than do municipal securities in lower rating categories.


To determine which  securities to invest in, the  Sub-Adviser  uses a "top-down"
approach,  first  determining  a  sector,  then a  geographic  region  and  then
selecting individual securities within that sector/geographic region.


- --------------------------------------------------------------------------------
TOP-DOWN  APPROACH  means that the  Sub-Adviser  looks first at the broad market
factors and on the basis of those factors, chooses certain sectors or industries
within the overall market.  It then looks at individual  companies  within those
sectors or industries.
- --------------------------------------------------------------------------------


The  Sub-Adviser  seeks to  identify  and  capture  relative  value  within  the
municipal bond market by analyzing the following factors:


*  Current market environment

*  Sector trends

*  Credit quality

*  Security characteristics (for example, type of issuer,  callability,  size of
   issue)

*  Tax considerations


The  Sub-Adviser  uses an  analytical  database in analyzing  sector  trends and
security characteristics.  The Sub-Adviser also uses the database to monitor how
the Fund's portfolio will perform in different interest rate environments versus
the Fund's benchmark index ("scenario stress testing").


The  Sub-Adviser  may determine to sell  securities  (1) if a security's  credit
rating  has  been  changed;  (2) if it can  purchase  a  security  with a better
relative value;  (3) based on the results of scenario stress testing;  or (4) to
meet redemption requests.

Under  adverse  market  conditions,  the Fund could  invest in cash,  short-term
municipal bonds and fixed-income obligations on which the interest is subject to
federal  income  tax.  Although  the Fund would do this only in seeking to avoid
losses,  the Fund may be unable to pursue its investment  objective  during that
time, and it could reduce the benefit from any upswing in the market.

SECURITY  CASH  FUND  -- The  Fund  pursues  its  objective  by  investing  in a
diversified  and liquid  portfolio of primarily the highest quality money market
instruments.  Generally,  the Fund is  required  to  invest  at least 95% of its
assets in the  securities of issuers with the highest  credit  rating,  with the
remainder invested in securities with the second-highest credit rating. The Fund
also is  designed  to  maintain a constant  net asset  value of $1.00 per share.
Although  Cash Fund seeks to preserve the value of your  investment at $1.00 per
share,  it is  possible  to lose  money by  investing  in the Fund.  The Fund is
subject to certain federal requirements which include the following:

*  maintain an average dollar-weighted portfolio maturity of 90 days or less

*  buy individual securities that have remaining maturities of 13 months or less

*  invest only in high-quality, dollar-denominated, short-term obligations.


- --------------------------------------------------------------------------------
A MONEY  MARKET  INSTRUMENT  is a  short-term  IOU issued by banks or other U.S.
corporations, or the U.S. Government or state or local governments. Money market
instruments have maturity dates of 13 months or less.  Money Market  instruments
may include certificates of deposit, bankers' acceptances,  variable rate demand
notes, fixed-term obligations,  commercial paper,  asset-backed commercial paper
and repurchase agreements. See Appendix A for a more complete description of the
different money market instruments and credit quality ratings.
- --------------------------------------------------------------------------------


The  Investment  Manager  attempts  to  increase  return and manage  risk by (1)
maintaining an average dollar-weighted  portfolio maturity within 10 days of the
Fund's benchmark, the Money Fund Report published by IBC Donoghue; (2) selecting
securities that mature at regular intervals over the life of the portfolio;  (3)
purchasing  only  commercial  paper  in the top two  tiers;  and (4)  constantly
evaluating  alternative  investment  opportunities for  diversification  without
additional risk.

MAIN RISKS

- --------------------------------------------------------------------------------
Your investment in the Funds is not insured or guaranteed by the Federal Deposit
Insurance  Corporation  or  any  other  governmental  agency.  The  value  of an
investment in the Funds will go up and down,  which means  investors  could lose
money.
- --------------------------------------------------------------------------------

INTEREST RATE RISK -- Investments in fixed-income  securities are subject to the
possibility  that  interest  rates could  rise,  causing the value of the Funds'
securities, and share price, to decline. Longer term bonds and zero coupon bonds
are generally  more  sensitive to interest rate changes than shorter term bonds.
Generally,  the longer the average  maturity of the bonds in a fund,  the more a
fund's share price will fluctuate in response to interest rate changes.

CREDIT RISK -- It is possible that some issuers of fixed-income  securities will
not make payments on debt  securities held by a Fund, or there could be defaults
on repurchase  agreements  held by a Fund.  Also,  an issuer may suffer  adverse
changes  in  financial  condition  that  could  lower the  credit  quality  of a
security,  leading to greater  volatility  in the price of the  security  and in
shares of a Fund. A change in the quality rating of a bond can affect the bond's
liquidity and make it more difficult for the Fund to sell.

PREPAYMENT  RISK -- The  issuers  of  securities  held by a Fund  may be able to
prepay principal due on the securities, particularly during periods of declining
interest  rates.  Securities  subject to prepayment  risk  generally  offer less
potential  for  gains  when  interest  rates  decline,  and may  offer a greater
potential for loss when interest rates rise. In addition,  rising interest rates
may  cause  prepayments  to  occur  at a  slower  than  expected  rate,  thereby
effectively  lengthening  the  maturity of the  security and making the security
more  sensitive to interest  rate  changes.  Prepayment  risk is a major risk of
mortgage-backed securities.

SPECIAL RISKS ASSOCIATED WITH MORTGAGE-BACKED SECURITIES -- Corporate Bond Fund,
Limited  Maturity  Bond Fund,  Diversified  Income  Fund and High Yield Fund may
invest in  mortgage-backed  securities.  A fund  will  receive  payments  on its
mortgage-backed  securities that are part interest and part return of principal.
These  payments  may vary  based on the rate at which  homeowners  pay off their
loans.  When a homeowner makes a prepayment,  the Fund receives a larger portion
of its principal  investment  back, which means that there will be a decrease in
monthly interest payments.  Some mortgage-backed  securities may have structures
that make their  reaction  to  interest  rates and other  factors  difficult  to
predict, making their prices very volatile.


- --------------------------------------------------------------------------------
WHAT ARE MORTGAGE-BACKED  SECURITIES?  Home mortgage loans are typically grouped
together into "POOLS" by banks and other lending institutions,  and interests in
these  pools  are then sold to  investors,  allowing  the bank or other  lending
institution to have more money available to loan to home buyers. When homeowners
make  interest  and  principal  payments,  these  payments  are passed on to the
investors in the pool.  Most of these pools are  guaranteed  by U.S.  Government
agencies or by government  sponsored  private  corporations - familiarly  called
"GINNIE MAES," "FANNIE MAES" and "FREDDIE MACS."
- --------------------------------------------------------------------------------


SPECIAL  RISKS  ASSOCIATED  WITH INTEREST  RATE SWAP  AGREEMENTS --  Diversified
Income Fund and High Yield Fund may invest in total return swap agreements which
entail both interest rate risk and credit risk.  There is a risk that,  based on
movements of interest rates in the future, the payments made by the Fund under a
swap agreement will be greater than the payments it received. Credit risk arises
from the possibility  that the  counterparty  will default.  If the counterparty
defaults, the Fund's loss will consist of the net amount of contractual interest
payments that the Fund has not yet received. The Investment Manager will monitor
the  creditworthiness  of  counterparties  to  the  Funds'  interest  rate  swap
transactions on an ongoing basis.

FOREIGN   SECURITIES  --  Corporate  Bond  Fund,  Limited  Maturity  Bond  Fund,
Diversified  Income Fund,  and High Yield Fund may invest in foreign  securities
that are U.S. dollar-denominated.  Investments in foreign securities may involve
risks in addition to those of U.S.  investments,  including  increased political
and economic risk.


RESTRICTED  SECURITIES  --  Corporate  Bond Fund,  Limited  Maturity  Bond Fund,
Diversified  Income Fund, High Yield Fund and Cash Fund may invest in securities
that are  restricted  as to  disposition  under  the  federal  securities  laws,
provided that such securities are eligible for resale to qualified institutional
investors pursuant to Rule 144A under the Securities Act of 1933. The Funds also
may purchase  securities that are not eligible for resale under Rule 144A. Since
restricted  securities may be sold only in privately negotiated  transactions or
in a public offering with respect to which a registration statement is in effect
under the  Securities  Act,  their  sale may entail  substantial  delays and the
liquidity of these securities may be limited.


HIGH YIELD SECURITIES -- High Yield Fund, and to a lesser extent, Corporate Bond
Fund,  Limited  Maturity Bond Fund and  Diversified  Income Fund,  may invest in
higher  yielding,  high risk debt  securities.  These  investments  may  present
additional risk because they may be less liquid than investment  grade bonds. In
addition,  the price of high yield  securities  tends to be more  susceptible to
interest rate changes and to real or perceived  adverse economic and competitive
industry conditions.  High yield securities are subject to more credit risk than
higher quality securities.

MUNICIPAL  MARKET RISK -- There are special  factors  which  affect the value of
municipal  securities  and, as a result,  a Fund's  share price.  These  factors
include  political  or  legislative  changes,  uncertainties  related to the tax
status of the securities or the rights of investors in securities.

LACK OF  DIVERSIFICATION  --  Municipal  Bond  Fund may  invest  in  issuers  of
municipal  securities  that have  similar  characteristics,  such as  geographic
region and source of revenue.  Consequently,  the Fund's  portfolio  may be more
susceptible  to  the  risks  of  adverse   economic,   political  or  regulatory
developments  than would be the case with a portfolio of securities that is more
diversified as to geographic region and/or source of revenue.

ADDITIONAL  INFORMATION -- For more information about the investment  program of
the Funds,  including additional information about the risks of certain types of
investments,  please see the  "Investment  Policies  and  Management  Practices"
section of the prospectus.

PAST PERFORMANCE


The charts and tables on the  following  pages  provide some  indication  of the
risks of investing in the Funds by showing  changes in each Fund's Class A share
performance  from year to year and by showing  how each  Fund's  average  annual
total return has compared to those of a broad measure of market performance. Fee
waivers and/or expense  reimbursements for Corporate Bond Fund, Limited Maturity
Bond Fund and  Diversified  Income Fund reduced the expenses of those Funds.  In
the absence of such waiver or  reimbursements,  the performance  quoted would be
reduced.  As with all mutual  funds,  past  performance  is not a prediction  of
future results.


The  bar  charts  on the  following  pages  do not  reflect  the  sales  charges
applicable to Class A shares which, if reflected, would lower the returns shown.
Average annual total returns for each Fund's Class A shares include deduction of
the 4.75%  front-end sales charge and for Class B shares include the appropriate
deferred  sales  charge,  which is 5% in the first year  declining  to 0% in the
sixth and later years. The average annual total returns also assume that Class B
shareholders redeem all their shares at the end of the period indicated.


================================================================================
                          SECURITY CORPORATE BOND FUND
================================================================================

                  [BAR GRAPH PLOTTED FROM DATA IN TABLE BELOW]

1990     1991    1992     1993    1994     1995    1996    1997    1998    1999
- ----     ----    ----     ----    ----     ----    ----    ----    ----    ----
6.60%   16.10%   9.00%   13.40%  -8.30%   18.23%  -0.53%   9.65%   7.57%  -3.68%

        ----------------------------------------------------------------
        HIGHEST AND LOWEST RETURNS
        (QUARTERLY 1990-1999)
        ----------------------------------------------------------------
                                                    QUARTER ENDING
        Highest                           6.15%     March 31, 1993
        Lowest                           -5.19%     March 31, 1994
        ----------------------------------------------------------------

        ----------------------------------------------------------------
        AVERAGE ANNUAL TOTAL RETURNS
        (THROUGH DECEMBER 31, 1999)
        ----------------------------------------------------------------
                                          PAST        PAST        PAST
                                         1 YEAR     5 YEARS     10 YEARS
        Class A                          -8.30%      4.95%       7.94%
        Class B                          -9.30%      4.78%       2.11%*
        Lehman Brothers
          Corporate Bond Index           -1.94%      8.18%       8.22%
        ----------------------------------------------------------------
        *For the period  beginning  October 19, 1993 (date of inception)
         to December 31, 19998.  Index  performance  information is only
         available  to the  Fund at the  beginning  of each  month.  The
         Lehman  Brothers  Corporate  Bond Index  Average  annual  total
         return for the period  October 1, 1993 to December 31, 1999 was
         6.12%.
        ----------------------------------------------------------------

================================================================================
                       SECURITY LIMITED MATURITY BOND FUND
================================================================================

                  [BAR GRAPH PLOTTED FROM DATA IN TABLE BELOW]

                      1996      1997      1998       1999
                      ----      ----      ----       ----
                      2.09%     8.97%     7.50%     -1.77%

        ----------------------------------------------------------------
        HIGHEST AND LOWEST RETURNS
        (QUARTERLY 1995-1999)
        ----------------------------------------------------------------
                                                     QUARTER ENDING
        Highest                           5.72%      June 30, 1995
        Lowest                           -1.10%      March 31, 1999
        ----------------------------------------------------------------

        ----------------------------------------------------------------
        AVERAGE ANNUAL TOTAL RETURNS
        (THROUGH DECEMBER 31, 1999)
        ----------------------------------------------------------------
                                          PAST       LIFE OF FUND
                                         1 YEAR     (SINCE 1/17/95)
        Class A                          -6.45%          4.85%
        Class B                          -7.74%          4.46%
        Lehman Brothers Intermediate
          Term Corporate Bond Index       0.16%          7.75%*
        ----------------------------------------------------------------
        *Index  performance  is  only  available  to  the  Fund  at  the
         beginning of each month. The Lehman Brothers  Intermediate Term
         Corporate  Bond Index  performance is for the period January 1,
         1995 to December 31, 1999.
        ----------------------------------------------------------------

================================================================================
                        SECURITY DIVERSIFIED INCOME FUND
================================================================================

                  [BAR GRAPH PLOTTED FROM DATA IN TABLE BELOW]

1990     1991    1992     1993    1994     1995    1996    1997    1998    1999
- ----     ----    ----     ----    ----     ----    ----    ----    ----    ----
9.80%   13.80%   5.00%   10.90%  -6.50%   21.86%   1.26%   9.19%   9.09%  -3.60%

        ----------------------------------------------------------------
        HIGHEST AND LOWEST RETURNS
        (QUARTERLY 1990-1999)
        ----------------------------------------------------------------
                                                    QUARTER ENDING
        Highest                           7.34%     June 30, 1995
        Lowest                           -3.92%     March 31, 1994
        ----------------------------------------------------------------

        ----------------------------------------------------------------
        AVERAGE ANNUAL TOTAL RETURNS
        (THROUGH DECEMBER 31, 1999)
        ----------------------------------------------------------------
                                          PAST        PAST        PAST
                                         1 YEAR     5 YEARS     10 YEARS
        Class A                          -8.23%      6.17%       6.35%
        Class B                          -9.36%      5.79%       3.20%*
        Lehman Brothers
          Government Bond Index          -2.15%      7.60%       7.66%
        ----------------------------------------------------------------
        *For the period  beginning  October 19, 1993 (date of inception)
         to December 31, 19998.  Index  performance  information is only
         available  to the  Fund at the  beginning  of each  month.  The
         Lehman  Brothers  Government  Bond Index  Average  annual total
         return for the period  October 1, 1993 to December 31, 1999 was
         5.38%.
        ----------------------------------------------------------------

================================================================================
                            SECURITY HIGH YIELD FUND
================================================================================

                  [BAR GRAPH PLOTTED FROM DATA IN TABLE BELOW]

                           1997      1998       1999
                           ----      ----       ----
                          12.57%     4.98%     -0.51%

        --------------------------------------------------------------
        HIGHEST AND LOWEST RETURNS
        (QUARTERLY 1996-1999)
        --------------------------------------------------------------
                                                      QUARTER ENDING
        Highest                           3.97%       June 30, 1997
        Lowest                           -5.82%     September 30, 1999
        --------------------------------------------------------------

        --------------------------------------------------------------
        AVERAGE ANNUAL TOTAL RETURNS
        (THROUGH DECEMBER 31, 1999)
        --------------------------------------------------------------
                                          PAST       LIFE OF FUND
                                         1 YEAR     (SINCE 8/5/96)
        Class A                          -5.23%         4.93%
        Class B                          -6.28%         4.77%
        Lehman Brothers
          High Yield Index                2.41%         7.01%*
        ----------------------------------------------------------------
        *Index  performance  is  only  available  to  the  Fund  at  the
         beginning of each month.  The Lehman  Brothers High Yield Index
         is for the period August 1, 1996 to December 31, 1999.
        ----------------------------------------------------------------

================================================================================
                          SECURITY MUNICIPAL BOND FUND
================================================================================

                  [BAR GRAPH PLOTTED FROM DATA IN TABLE BELOW]

1990     1991    1992     1993    1994     1995    1996    1997    1998    1999
- ----     ----    ----     ----    ----     ----    ----    ----    ----    ----
6.20%   11.70%   7.30%   11.60%  -8.30%   15.48%   2.51%   8.27%   6.05%  -3.45%

        ----------------------------------------------------------------
        HIGHEST AND LOWEST RETURNS
        (QUARTERLY 1990-1999)
        ----------------------------------------------------------------
                                                    QUARTER ENDING
        Highest                           6.74%     March 31, 1995
        Lowest                           -7.21%     March 31, 1994
        ----------------------------------------------------------------

        ----------------------------------------------------------------
        AVERAGE ANNUAL TOTAL RETURNS
        (THROUGH DECEMBER 31, 1999)
        ----------------------------------------------------------------
                                          PAST        PAST        PAST
                                         1 YEAR     5 YEARS     10 YEARS
        Class A                          -8.03%      4.57%       6.25%
        Class B                          -8.96%      4.11%       1.89%*
        Lehman Brothers
          Municipal Bond Index           -2.17%      6.79%       6.83%
        ----------------------------------------------------------------
        *For the period  beginning  October 19, 1993 (date of inception)
         to December 31, 19998.  Index  performance  information is only
         available  to the  Fund at the  beginning  of each  month.  The
         Lehman  Brothers  Municipal  Bond Index  average  annual  total
         return for the period  October 1, 1993 to December 31, 1999 was
         4.73%.
        ----------------------------------------------------------------

================================================================================
                               SECURITY CASH FUND
================================================================================

                  [BAR GRAPH PLOTTED FROM DATA IN TABLE BELOW]

1990    1991    1992    1993    1994    1995    1996    1997    1998    1999
- ----    ----    ----    ----    ----    ----    ----    ----    ----    ----
7.60%   5.20%   2.80%   2.40%   3.43%   5.00%   4.60%   4.90%   4.70%   4.40%

        ----------------------------------------------------------------
        HIGHEST AND LOWEST RETURNS
        (QUARTERLY 1990-1999)
        ----------------------------------------------------------------
                                                   QUARTER ENDING
        Highest                          1.86%     June 30, 1990
        Lowest                           0.56%     June 30, 1993
        ----------------------------------------------------------------

        ----------------------------------------------------------------
        AVERAGE ANNUAL TOTAL RETURNS & YIELD
        (THROUGH DECEMBER 31, 1999)
        ----------------------------------------------------------------
                                          PAST       PAST         PAST
                                         1 YEAR     5 YEARS     10 YEARS
        Security Cash Fund               4.40%       4.74%        4.49%
        7-Day Yield                      5.28%
        ----------------------------------------------------------------

<PAGE>
FEES AND EXPENSES OF THE FUNDS

THIS TABLE  DESCRIBES THE FEES AND EXPENSES THAT YOU MAY PAY IF YOU BUY AND HOLD
SHARES OF THE FUNDS.

- --------------------------------------------------------------------------------
                                                    CORPORATE BOND,
                                                 LIMITED MATURITY BOND,
                                                  DIVERSIFIED INCOME,
SHAREHOLDER FEES                                     HIGH YIELD AND         CASH
(fees paid directly from your investment)         MUNICIPAL BOND FUNDS      FUND
- --------------------------------------------------------------------------------
                                                 CLASS A      CLASS B
                                                 SHARES      SHARES(1)
Maximum Sales Charge Imposed on Purchases
  (as a percentage of offering price)             4.75%        None         None

Maximum Deferred Sales Charge (as a
  percentage of original purchase price or
  redemption proceeds, whichever is lower)       None(2)       5%(3)        None
- --------------------------------------------------------------------------------
1  Class B shares convert tax-free to Class A shares  automatically  after eight
   years.

2  Purchases of Class A shares in amounts of  $1,000,000 or more are not subject
   to an initial sales load;  however,  a deferred sales charge of 1% is imposed
   in the event of redemption within one year of purchase.

3  5% during the first year, decreasing to 0% in the sixth and following years.
- --------------------------------------------------------------------------------


- --------------------------------------------------------------------------------
ANNUAL FUND OPERATING EXPENSES (expenses that are deducted from Fund assets)
- --------------------------------------------------------------------------------
                                                    CLASS A
                             ---------------------------------------------------
                                                                        TOTAL
                                                                        ANNUAL
                                                                         FUND
                             MANAGEMENT    DISTRIBUTION      OTHER     OPERATING
                                FEES      (12B-1) FEES(4)   EXPENSES   EXPENSES
Corporate Bond Fund           0.50%            0.25%          0.35%     1.10%*
Limited Maturity Bond Fund    0.50%            0.25%          0.52%     1.27%*
Diversified Income Fund       0.35%(5)         0.25%          0.62%     1.22%*
High Yield Fund               0.60%            0.25%          0.47%     1.32%*
Municipal Bond Fund           0.50%            0.25%          0.39%     1.14%*
Cash Fund                     0.50%            None           0.36%     0.86%
- --------------------------------------------------------------------------------

                                                    CLASS B
                             ---------------------------------------------------
                                                                        TOTAL
                                                                        ANNUAL
                                                                         FUND
                             MANAGEMENT    DISTRIBUTION      OTHER     OPERATING
                                FEES      (12B-1) FEES(4)   EXPENSES   EXPENSES
Corporate Bond Fund           0.50%            1.00%          0.65%      2.15%*
Limited Maturity Bond Fund    0.50%            1.00%          0.91%      2.41%*
Diversified Income Fund       0.35%(5)         1.00%          0.86%      2.21%*
High Yield Fund               0.60%            1.00%          0.53%      2.13%*
Municipal Bond Fund           0.50%            1.00%          0.69%      2.19%*
Cash Fund                      ---              ---            ---        ---
- --------------------------------------------------------------------------------
4  Long-term  holders of shares that are subject to an asset-based  sales charge
   may pay more  than the  equivalent  of the  maximum  front-end  sales  charge
   otherwise permitted by the National  Association of Securities Dealers,  Inc.
   Rules.

5  The  management  fee for  Diversified  Income Fund was reduced  from 0.50% to
   0.35%,  effective  February 4, 2000. The expense  information  above has been
   restated to reflect this change in the Fund's management fee.

*  Each of these  Fund's  total  annual  operating  expenses for the most recent
   fiscal  year were less  than the  amount  shown  because  of a fee  waiver or
   reimbursement of expenses by the Funds'  Investment  Manager.  The Investment
   Manager waives a portion of its management fee and/or reimburses  expenses in
   order to keep each Fund's  total  operating  expenses at or below a specified
   level. The Investment  Manager may eliminate all or part of the fee waiver or
   reimbursement at any time. With the fee waiver and reimbursement,  the Funds'
   actual total annual fund  operating  expenses for the year ended December 31,
   1999, were as follows:

                -----------------------------------------------
                                            CLASS A     CLASS B
                -----------------------------------------------
                Corporate Bond Fund          1.09%       1.85%
                Limited Maturity Bond        0.77%       1.85%
                Diversified Income Fund      0.87%       1.85%
                High Yield Fund              0.72%       1.53%
                Municipal Bond Fund          1.00%       1.75%
                -----------------------------------------------
- --------------------------------------------------------------------------------


EXAMPLE

   This  example is intended to help you  compare the cost of  investing  in the
Funds with the cost of investing in other mutual funds.

   Each Example  assumes that you invest  $10,000 in a Fund for the time periods
indicated.  Each Example also assumes that your  investment has a 5% return each
year and that the  Fund's  operating  expenses  remain the same.  Although  your
actual costs may be higher or lower, based on these assumptions your costs would
be as follows:

You would pay the  following  expenses if you redeemed your shares at the end of
each period.


<TABLE>
<CAPTION>
- ---------------------------------------------------------------------------------------------------------------------------
                                      1 YEAR                  3 YEARS                 5 YEARS                10 YEARS
                                -------------------     -------------------     -------------------     -------------------
                                CLASS A     CLASS B     CLASS A     CLASS B     CLASS A     CLASS B     CLASS A     CLASS B
<S>                              <C>         <C>         <C>        <C>         <C>         <C>         <C>         <C>
Corporate Bond Fund .........    $582        $718        $808       $  973      $1,052      $1,354      $1,752      $2,215
Limited Maturity Bond Fund ..     598         744         859        1,051       1,139       1,485       1,936       2,463
Diversified Income Fund .....     593         724         844          991       1,113       1,385       1,882       2,294
High Yield Fund .............     603         716         873          967       1,164       1,344       1,990       2,256
Municipal Bond Fund .........     586         722         820          985       1,073       1,375       1,795       2,257
Cash Fund ...................      88         ---         274          ---         477         ---       1,061         ---
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>


You would pay the following expenses if you did not redeem your shares.


<TABLE>
<CAPTION>
- ---------------------------------------------------------------------------------------------------------------------------
                                      1 YEAR                  3 YEARS                 5 YEARS                10 YEARS
                                -------------------     -------------------     -------------------     -------------------
                                CLASS A     CLASS B     CLASS A     CLASS B     CLASS A     CLASS B     CLASS A     CLASS B
<S>                              <C>         <C>         <C>         <C>        <C>         <C>         <C>         <C>
Corporate Bond Fund .........    $582        $218        $808        $673       $1,052      $1,154      $1,752      $2,215
Limited Maturity Bond Fund ..     598         244         859         751        1,139       1,285       1,936       2,463
Diversified Income Fund .....     593         224         844         691        1,113       1,185       1,882       2,294
High Yield Fund .............     603         216         873         667        1,164       1,144       1,990       2,256
Municipal Bond Fund .........     586         222         820         685        1,073       1,175       1,795       2,257
Cash Fund ...................      88         ---         274         ---          477         ---       1,061         ---
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>


INVESTMENT MANAGER


Security Management  Company,  LLC (the "Investment  Manager"),  700 SW Harrison
Street, Topeka, Kansas 66636-0001, is the Funds' investment manager. On December
31, 1999,  the aggregate  assets of all of the mutual funds under the investment
management of the Investment Manager were approximately $6.3 billion.


The Investment  Manager has engaged  Salomon  Brothers Asset  Management  Inc, 7
World Trade Center,  New York, New York 10048,  to provide  investment  advisory
services to Municipal Bond Fund.  Salomon  Brothers was incorporated in 1987 and
currently  manages,  together with its affiliates,  approximately $29 billion in
assets.


The  Investment  Manager and the Funds have  received  from the  Securities  and
Exchange Commission an exemptive order for a multi-manager structure that allows
the Investment  Manager to hire, replace or terminate  sub-advisors  without the
approval of shareholders. The order also allows the Investment Manager to revise
a  sub-advisory  agreement  with the  approval  of Fund  Directors,  but without
shareholder approval.  If a new sub-advisor is hired,  shareholders will receive
information  about the new sub-advisor  within 90 days of the change.  The order
allows the Funds to operate more efficiently and with greater  flexibility.  The
Investment Manager provides the following oversight and evaluation services to a
Fund which uses a sub-advisor:

*  performing initial due diligence on prospective sub-advisors

*  monitoring the performance of the sub-advisor

*  communicating performance expectations to the sub-advisor

*  ultimately  recommending  to the Board of Directors  whether a  sub-advisor's
   contract should be renewed, modified or terminated.

The  Investment  Manager  does not  expect  to  recommend  frequent  changes  of
sub-advisors.  Although the Investment  Manager will monitor the  performance of
the sub-advisors, there is no certainty that any sub-advisor or Fund will obtain
favorable results at any given time.

MANAGEMENT FEES -- The following chart shows the investment management fees paid
by each Fund during the last fiscal year.


               -------------------------------------------------
               MANAGEMENT FEES
               (expressed as a percentage of average net assets)
               -------------------------------------------------
               Corporate Bond Fund......................   0.50%
               Limited Maturity Bond Fund...............   0.00%
               Diversified Income Fund..................   0.00%
               High Yield Fund..........................   0.00%
               Municipal Bond Fund......................   0.50%
               Cash Fund................................   0.50%
               -------------------------------------------------

PORTFOLIO  MANAGERS -- ROBERT AMODEO, a Portfolio  Manager at Salomon  Brothers,
has managed the Municipal Bond Fund's  portfolio since September 1998.  Prior to
joining  Salomon  Brothers Asset  Management in 1992, Mr. Amodeo was a member of
Salomon Brothers, Inc. Partnership Investment Group where he was responsible for
analyzing and managing  various  partnership  investments.  Mr. Amodeo pioneered
adaptation  and  the  use  of  the  Yield  Book  for  municipal  bond  portfolio
management,  analysis,  performance attribution and optimization.  He received a
B.S. in Business  Management  from Long Island  University and he is a Chartered
Financial Analyst.


STEVE BOWSER,  Vice President and Portfolio  Manager of the Investment  Manager,
has co-managed the Corporate Bond Fund and Limited Maturity Bond Fund portfolios
since June 1997. He has managed the  Diversified  Income Fund's  portfolio since
1995.  Mr. Bowser joined the  Investment  Manager in 1992.  Prior to joining the
Investment  Manager,  he was Assistant Vice President and Portfolio Manager with
the Federal  Home Loan Bank of Topeka from 1989 to 1992.  He was employed at the
Federal  Reserve  Bank of Kansas City in 1988 and began his career with the Farm
Credit  System  from 1982 to 1987,  serving as a Senior  Financial  Analyst  and
Assistant Controller. He graduated with a bachelor of science degree from Kansas
State University in 1982. He is a Chartered Financial Analyst.

DAVID ESHNAUR,  Assistant Vice President and Portfolio Manager of the Investment
Manager,  has co-managed the Corporate Bond Fund and Limited  Maturity Bond Fund
portfolios since June 1997. He has managed the High Yield Fund's portfolio since
July 1997. Mr. Eshnaur has 15 years of investment  experience.  Prior to joining
the Investment  Manager in 1997, he worked at Waddell & Reed in the positions of
Assistant Vice President,  Assistant Portfolio Manager, Senior Analyst, Industry
Analyst and Account Administrator.  Mr. Eshnaur earned a bachelor of arts degree
in Business Administration from Coe College and an M.B.A. degree in Finance from
the University of Missouri - Kansas City.

BUYING SHARES


Shares of the Funds  are  available  through  broker/dealers,  banks,  and other
financial  intermediaries  that have an agreement  with the Funds'  Distributor,
Security Distributors, Inc.


There are two  different  ways to buy shares of  Corporate  Bond  Fund,  Limited
Maturity  Bond Fund and Municipal  Bond  Fund--Class A shares or Class B shares.
There are three different ways to buy shares of Diversified Income Fund and High
Yield Fund--Class A shares, Class B shares or Class C shares. Cash Fund offers a
single class of shares which is offered at net asset value next determined after
an order is accepted.  The  different  classes of a Fund differ  primarily  with
respect  to sales  charges  and Rule 12b-1  distribution  fees to which they are
subject. Shares of Cash Fund are offered by the Fund without a sales charge. The
minimum initial investment is $100. Subsequent  investments must be $100 (or $20
under an Accumulation  Plan). The Funds and the Distributor reserve the right to
reject any order to purchase shares.


CLASS A SHARES -- Class A shares are  subject  to a sales  charge at the time of
purchase. An order for Class A shares will be priced at a Fund's net asset value
per share (NAV),  plus the sales charge set forth below.  The NAV plus the sales
charge is the "offering  price." A Fund's NAV is generally  calculated as of the
close of trading on every day the New York Stock  Exchange is open. An order for
Class A shares is priced at the NAV next calculated  after the order is accepted
by the Fund, plus the sales charge.

      -------------------------------------------------------------------
                                              SALES CHARGE
                               ------------------------------------------
                               AS A PERCENTAGE OF     AS A PERCENTAGE OF
      AMOUNT OF ORDER            OFFERING PRICE       NET AMOUNT INVESTED
      -------------------------------------------------------------------
      Less than $50,000 .......      4.75%                   4.99%
      $50,000 to $99,999 ......      3.75%                   3.90%
      $100,000 to $249,999 ....      2.75%                   2.83%
      $250,000 to $999,999 ....      1.75%                   1.78%
      $1,000,000 or more* .....      None                    None
      -------------------------------------------------------------------
      *Purchases of  $1,000,000 or more are not subject to a sales charge
       at the time of  purchase,  but are  subject  to a  deferred  sales
       charge of 1.00% if redeemed  within one year  following  purchase.
       The deferred sales charge is a percentage of the lesser of the NAV
       of the shares redeemed or the net cost of such shares. Shares that
       are not subject to a deferred sales charge are redeemed first.
      -------------------------------------------------------------------

Please see  Appendix C for options  that are  available  for  reducing the sales
charge applicable to purchases of Class A shares.

CLASS A  DISTRIBUTION  PLAN -- The Funds (except Cash Fund) have adopted Class A
Distribution  Plans that allow each of these Funds to pay  distribution  fees to
the Funds'  Distributor.  The  Distributor  uses the fees to pay for  activities
related to the sale of Class A shares and services provided to shareholders. The
distribution fee is equal to 0.25% of the average daily net assets of the Fund's
Class A shares.  Because the distribution fees are paid out of the Fund's assets
on an  ongoing  basis,  over  time  these  fees  will  increase  the  cost  of a
shareholder's  investment  and may cost an investor more than paying other types
of sales charges.

CLASS B SHARES -- Class B shares are not  subject to a sales  charge at the time
of  purchase.  An order for Class B shares will be priced at the Fund's NAV next
calculated  after the order is accepted by the Fund.  A Fund's NAV is  generally
calculated  as of the close of trading on every day the New York Stock  Exchange
is open.

Class B shares are  subject to a deferred  sales  charge if  withdrawn  within 5
years from the date of purchase.  The deferred  sales charge is a percentage  of
the NAV of the shares at the time they are  redeemed  or the  original  purchase
price,  whichever  is less.  Shares that are not subject to the  deferred  sales
charge are redeemed first. Then, shares held the longest will be the first to be
redeemed.

The amount of the deferred  sales charge is based upon the number of years since
the shares were purchased, as follows:

            --------------------------------------------------------
            NUMBER OF YEARS SINCE PURCHASE     DEFERRED SALES CHARGE
            --------------------------------------------------------
            1 ...............................           5%
            2 ...............................           4%
            3 ...............................           3%
            4 ...............................           3%
            5 ...............................           2%
            6 and more ......................           0%
            --------------------------------------------------------


The   Distributor   will  waive  the  deferred   sales   charge  under   certain
circumstances. See "Waiver of Deferred Sales Charge" on page 17.


CLASS B  DISTRIBUTION  PLAN -- The Funds (except Cash Fund) have adopted Class B
Distribution  Plans that allow each of the Funds to pay distribution fees to the
Distributor.  The Distributor uses the fees to finance activities related to the
sale of Class B shares and services to  shareholders.  The  distribution  fee is
equal to 1.00% of the  average  daily net assets of the  Fund's  Class B shares.
Because the  distribution  fees are paid out of the Fund's  assets on an ongoing
basis, over time these fees will increase the cost of a shareholder's investment
and may cost an investor more than paying other types of sales charges.

Class B shares automatically convert to Class A shares on the eighth anniversary
of purchase.  This is advantageous because Class A shares are subject to a lower
distribution  fee  than  Class B  shares.  A pro rata  amount  of Class B shares
purchased  through the reinvestment of dividends or other  distributions is also
converted  to Class A shares  each  time  that  shares  purchased  directly  are
converted.


CLASS C SHARES -- Class C shares are not  subject to a sales  charge at the time
of  purchase.  An order for Class C shares  will be priced at a Fund's  NAV next
calculated  after the order is accepted by the Fund.  A Fund's NAV is  generally
calculated  as of the close of trading on every day the New York Stock  Exchange
is open.

Class C shares  are  subject  to a deferred  sales  charge of 1.00% if  redeemed
within  one year  from the date of  purchase.  The  deferred  sales  charge is a
percentage  of the NAV of the  shares  at the  time  they  are  redeemed  or the
original  purchase price,  whichever is less. Shares that are not subject to the
deferred sales charge are redeemed first.  Then, shares held the longest will be
the first to be redeemed.  The Distributor  will waive the deferred sales charge
under certain circumstances. See "Waiver of Deferred Sales Charge" on page 17.

CLASS C  DISTRIBUTION  PLAN -- The  Diversified  Income Fund and High Yield Fund
have  adopted  Class C  Distribution  Plans  that allow each of the Funds to pay
distribution  fees to the Distributor.  The Distributor uses the fees to finance
activities  related to the sale of Class C shares and services to  shareholders.
The  distribution  fee is equal to 1.00% of the average  daily net assets of the
Fund's Class C shares.  Because the distribution fees are paid out of the Fund's
assets on an ongoing  basis,  over time these fees will  increase  the cost of a
shareholder's  investment  and may cost an investor more than paying other types
of sales charges.


CASH FUND -- Shares of Cash Fund are  offered  at NAV next  calculated  after an
order is  accepted.  There is no sales  charge  or  load.  The  minimum  initial
investment in Cash Fund is $100 for each account.  Subsequent investments may be
made in any amount of $20 or more. Cash Fund purchases may be made in any of the
following ways:

1.  BY MAIL

    (a)  A check or negotiable bank draft should be sent to:

                               Security Cash Fund
                                 P.O. Box 2548
                              Topeka, Kansas 66601

    (b)  Make check or draft payable to "SECURITY CASH FUND."

    (c)  For initial investment include a completed investment application found
         on page 39 of this prospectus.

2.  BY WIRE

    (a)  Call the Fund to advise  of the  investment.  The Fund  will  supply an
         account  number  at the  time of the  initial  investment  and  provide
         instructions for having your bank wire federal funds.

    (b)  For an initial  investment,  you must also send a completed  investment
         application to the Fund.

3.  THROUGH BROKER/DEALERS

Investors  may, if they wish,  invest in Cash Fund by purchasing  shares through
registered broker/dealers.  Broker/dealers who process orders on behalf of their
customers may charge a fee for their services. Investments made directly without
the assistance of a broker/dealer are without charge.

Since Cash Fund  invests in money  market  securities  which  require  immediate
payment in federal funds,  monies  received from the sales of its shares must be
monies held by a commercial bank and be on deposit at one of the Federal Reserve
Banks.  A record date for each  stockholder's  investment  is  established  each
business day and used to distribute  the following  day's  dividend.  If federal
funds are received prior to 2:00 p.m. (Central time) the investment will be made
on that day and the investor will receive the following day's dividend.  Federal
funds  received  after 2:00 p.m. on any business day will not be invested  until
the following  business day. The Fund will not be responsible  for any delays in
the wire transfer system.  All checks are accepted subject to collection at full
face value in United States funds and must be drawn in United States  dollars on
a United States bank.

WAIVER OF DEFERRED SALES CHARGE -- The Distributor will waive the deferred sales
charge under the following circumstances:

*  Upon the death of the  shareholder if shares are redeemed  within one year of
   the shareholder's death

*  Upon the disability of the shareholder prior to age 65 if shares are redeemed
   within one year of the shareholder  becoming disabled and the shareholder was
   not disabled when the shares were purchased

*  In connection  with required  minimum  distributions  from a retirement  plan
   qualified under Section 401(a), 401(k), 403(b) or 408 of the Internal Revenue
   Code

*  In connection  with  distributions  from  retirement  plans  qualified  under
   Section 401(a) or 401(k) of the Internal Revenue Code for:

   -  returns of excess contributions to the plan

   -  retirement of a participant in the plan

   -  a loan  from the plan  (loan  repayments  are  treated  as new  sales  for
      purposes of the deferred sales charge)

*  Upon the financial  hardship (as defined in regulations  under the Code) of a
   participant in a plan

*  Upon termination of employment of a participant in a plan

* Upon any other permissible withdrawal under the terms of the plan.

CONFIRMATIONS AND STATEMENTS -- The Funds will send you a confirmation statement
after every  transaction  that  affects your  account  balance or  registration.
However,  certain  automatic  transactions may be confirmed on a quarterly basis
including systematic withdrawals,  automatic purchases and reinvested dividends.
Each shareholder will receive a quarterly  statement  setting forth a summary of
the transactions that occurred during the preceding quarter.

SELLING SHARES

Selling  your shares of a Fund is called a  "redemption,"  because the Fund buys
back its  shares.  A  shareholder  may sell  shares at any time.  Shares will be
redeemed  at the NAV next  determined  after the order is accepted by the Fund's
transfer  agent,  less any  applicable  deferred  sales charge.  A Fund's NAV is
generally  calculated as of the close of trading on every day the New York Stock
Exchange is open.  Any share  certificates  representing  Fund shares being sold
must be returned with a request to sell the shares.

When  redeeming  recently  purchased  shares,  the Fund may  delay  sending  the
redemption  proceeds  until it has  collected  payment,  which may take up to 15
days.

BY MAIL -- To sell shares by mail, send a letter of instruction that includes:

*  The name and signature of the account owner(s)

*  The name of the Fund

*  The dollar amount or number of shares to sell

*  Where to send the proceeds

*  A signature guarantee if

   -  The check will be mailed to a payee or address  different than that of the
      account owner, or

   -  The sale of shares is more than $10,000.

- --------------------------------------------------------------------------------
A SIGNATURE  GUARANTEE  helps protect  against  fraud.  Banks,  brokers,  credit
unions, national securities exchanges and savings associations provide signature
guarantees.  A notary public is not an eligible signature  guarantor.  For joint
accounts, both signatures must be guaranteed.
- --------------------------------------------------------------------------------

Mail your request to:

                        Security Management Company, LLC
                                 P.O. Box 750525
                              Topeka, KS 66675-9135

Signature requirements vary based on the type of account you have:

*  INDIVIDUAL  OR JOINT  TENANTS:  Written  instructions  must be  signed  by an
   individual  shareholder,  or in  the  case  of  joint  accounts,  all  of the
   shareholders, exactly as the name(s) appears on the account.

*  UGMA OR UTMA:  Written  instructions  must be signed by the  custodian  as it
   appears on the account.

*  SOLE PROPRIETOR OR GENERAL PARTNER: Written instructions must be signed by an
   authorized individual as it appears on the account.

*  CORPORATION  OR  ASSOCIATION:  Written  instructions  must be  signed  by the
   person(s)  authorized  to act on the account.  A certified  resolution  dated
   within six months of the date of receipt, authorizing the signer to act, must
   accompany the request if not on file with the Funds.

*  TRUST: Written instructions must be signed by the trustee(s).  If the name of
   the  current   trustee(s)  does  not  appear  on  the  account,  a  certified
   certificate of incumbency dated within 60 days must also be submitted.

*  RETIREMENT: Written instructions must be signed by the account owner.

BY TELEPHONE -- If you selected this option on your account application, you may
make redemptions from your account by calling 1-800-888-2461, extension 3127, on
weekdays  (except  holidays)  between 7:00 a.m. and 6:00 p.m.  Central time. The
Funds  require  that  requests for  redemptions  over $10,000 be in writing with
signatures  guaranteed.  You may not close your  account by  telephone or redeem
shares for which a certificate  has been issued.  If you would like to establish
this option on an existing account, please call 1-800-888-2461,  extension 3127.
Shareholders  may not  redeem  shares  held in an IRA or  403(b)(7)  account  by
telephone.

BY BROKER -- You may redeem your shares through your broker.  Brokers may charge
a commission upon the redemption of shares.

The Funds may suspend the right of redemption  during any period when trading on
the New York Stock  Exchange is  restricted or such Exchange is closed for other
than weekends or holidays, or any emergency is deemed to exist by the Securities
and Exchange Commission.

CASH FUND -- If checks are requested on the Checking Privilege Request Form, you
may redeem  shares of Cash Fund by check.  Such  checks  must be in an amount of
$100 or more.  Redemption  by  check is not  available  for any  shares  held in
certificate  form or for shares  recently  purchased  for which the Fund has not
collected payment. Checkwriting privileges may encourage multiple redemptions on
an account.

PAYMENT OF REDEMPTION PROCEEDS -- Payments may be made by check.


The Funds may suspend the right of redemption  during any period when trading on
the New York Stock  Exchange is  restricted or such Exchange is closed for other
than weekends or holidays, or any emergency is deemed to exist by the Securities
and Exchange Commission.


BY CHECK.  Redemption  proceeds will be sent to the  shareholder(s) of record at
the address on our records within seven days after receipt of a valid redemption
request. For a charge of $15 deducted from redemption  proceeds,  the Investment
Manager  will provide a certified or  cashier's  check,  or send the  redemption
proceeds by express mail, upon the shareholder's request.

DIVIDENDS AND TAXES

Each Fund  (except  Cash  Fund)  pays its  shareholders  dividends  from its net
investment  income  monthly,  and  distributes any net capital gains that it has
realized, at least annually.  Cash Fund pays its shareholders dividends from its
investment income daily. Your dividends and distributions  will be reinvested in
shares of the Fund, unless you instruct the Investment Manager otherwise.  There
are no fees or sales charges on reinvestments.

TAX ON  DISTRIBUTIONS  --  Fund  dividends  and  distributions  are  taxable  to
shareholders  (unless your  investment  is in an Individual  Retirement  Account
("IRA") or other  tax-advantaged  retirement  account) whether you reinvest your
dividends or distributions or take them in cash.

In addition to federal tax,  dividends and distributions may be subject to state
and local  taxes.  If a Fund  declares a dividend  or  distribution  in October,
November or December but pays it in January,  you may be taxed on that  dividend
or  distribution  as if  you  received  it in the  previous  year.  In  general,
dividends and distributions from the Funds are taxable as follows:

- --------------------------------------------------------------------------------
                                                              TAX RATE FOR 28%
TYPE OF DISTRIBUTION          TAX RATE FOR 15% BRACKET        BRACKET OR ABOVE
- --------------------------------------------------------------------------------
Income dividends                Ordinary Income rate        Ordinary Income rate
Short-term capital gains        Ordinary Income rate        Ordinary Income rate
Long-term capital gains                 10%                         20%
- --------------------------------------------------------------------------------

A Fund has "short-term  capital gains" when it sells a security within 12 months
after buying it. A Fund has  "long-term  capital gains" when it sells a security
that it has owned for more than 12 months. When a Fund earns interest from bonds
and other debt securities and distributes  these earnings to  shareholders,  the
Fund has "ordinary  income." The Funds (other than  Municipal  Bond Fund) expect
that their distributions will consist primarily of ordinary income.

The  Municipal  Bond  Fund  may  make  distributions   called   "exempt-interest
dividends"  that are exempt from federal income tax.  Exempt-interest  dividends
will not necessarily be exempt from state and local income taxes.  The Municipal
Bond  Fund  may  also  make  taxable  distributions   (including  capital  gains
distributions).  You  generally  are required to report all Fund  distributions,
including exempt-interest dividends, on your federal income tax return.

Tax-deferred  retirement accounts do not generate a tax liability unless you are
taking a distribution or making a withdrawal.

The  Fund  will  mail  you   information   concerning  the  tax  status  of  the
distributions  for each calendar  year on or before  January 31 of the following
year.

TAXES ON SALES OR  EXCHANGES -- You may be taxed on any sale or exchange of Fund
shares.  The amount of gain or loss will depend  primarily upon how much you pay
for the shares, how much you sell them for, and how long you hold them.

The table  above  can  provide a guide for your  potential  tax  liability  when
selling or exchanging  Fund shares.  "Short-term  capital gains" applies to Fund
shares sold or exchanged up to one year after  buying them.  "Long-term  capital
gains" applies to shares held for more than one year.

BACKUP  WITHHOLDING  -- As with all  mutual  funds,  a Fund may be  required  to
withhold U.S. federal income tax at the rate of 31% of all taxable distributions
payable  to you if you fail to  provide  the Fund  with  your  correct  taxpayer
identification  number or to make required  certifications,  or if you have been
notified  by the  Internal  Revenue  Service  that  you are  subject  to  backup
withholding. Backup withholding is not an additional tax; rather, it is a way in
which the Internal  Revenue Service ensures it will collect taxes otherwise due.
Any  amounts  withheld  may be credited  against  your U.S.  federal  income tax
liability.

You should  consult your tax  professional  about  federal,  state and local tax
consequences  to you of an investment  in the Fund.  Please see the Statement of
Additional Information for additional tax information.

DETERMINATION OF NET ASSET VALUE

The net asset  value per share (NAV) of each Fund is computed as of the close of
regular  trading hours on the New York Stock Exchange  (normally 3 p.m.  Central
time) on days when the  Exchange is open.  The  Exchange is open Monday  through
Friday, except on observation of the following holidays:  New Year's Day, Martin
Luther King, Jr. Day, Presidents' Day, Good Friday,  Memorial Day,  Independence
Day, Labor Day, Thanksgiving Day and Christmas Day.

Each Fund's NAV is generally  based upon the market value of securities  held in
the Fund's  portfolio.  If market  prices are not  available,  the fair value of
securities  is  determined  using  procedures  approved by each Fund's  Board of
Directors.

SHAREHOLDER SERVICES

ACCUMULATION  PLAN -- An  investor  may  choose  to  invest  in one of the Funds
(except Cash Fund)  through a voluntary  Accumulation  Plan.  This allows for an
initial investment of $100 minimum and subsequent  investments of $20 minimum at
any  time.  An  Accumulation  Plan  involves  no  obligation  to  make  periodic
investments, and is terminable at will.

Payments are made by sending a check to the  Distributor who (acting as an agent
for the dealer) will purchase whole and fractional  shares of the Fund as of the
close of business  on such day as the payment is  received.  The  investor  will
receive a confirmation and statement after each investment.

Investors may choose to use "Secur-O-Matic"  (automatic bank draft) to make Fund
purchases.  There is no  additional  charge for  choosing to use  Secur-O-Matic.
Withdrawals  from your bank  account may occur up to 3 business  days before the
date scheduled to purchase Fund shares.  An application for Secur-O-Matic may be
obtained from the Funds.

SYSTEMATIC  WITHDRAWAL  PROGRAM  --  Shareholders  who wish to  receive  regular
monthly, quarterly,  semiannual, or annual payments of $25 or more may establish
a Systematic  Withdrawal  Program.  A shareholder  may elect a payment that is a
specified  percentage  of the  initial or current  account  value or a specified
dollar amount.  A Systematic  Withdrawal  Program will be allowed only if shares
with a current  aggregate net asset value of $5,000 or more are  deposited  with
the Investment  Manager,  which will act as agent for the stockholder  under the
Program. Shares are liquidated at net asset value. The Program may be terminated
on  written  notice,  or it  will  terminate  automatically  if all  shares  are
liquidated or withdrawn from the account.


A  shareholder  may  establish a Systematic  Withdrawal  Program with respect to
Class B and Class C shares without the  imposition of any applicable  contingent
deferred  sales charge,  provided that such  withdrawals  do not in any 12-month
period,  beginning on the date the Program is established,  exceed 10 percent of
the value of the  account on that date  ("Free  Systematic  Withdrawals").  Free
Systematic  Withdrawals are not available if a Program  established with respect
to Class B or Class C shares provides for withdrawals in excess of 10 percent of
the value of the account in any Program year and, as a result,  all  withdrawals
under  such a Program  would be subject to any  applicable  contingent  deferred
sales charge. Free Systematic  Withdrawals will be made first by redeeming those
shares that are not subject to the contingent  deferred sales charge and then by
redeeming  shares  held  the  longest.  The  contingent  deferred  sales  charge
applicable  to a redemption  of Class B or Class C shares  requested  while Free
Systematic  Withdrawals  are being made will be  calculated  as described  under
"Class B Shares" and "Class C Shares," as  applicable . A Systematic  Withdrawal
form may be obtained from the Funds.

EXCHANGE  PRIVILEGE  --  Shareholders  who own shares of the Funds may  exchange
those  shares for  shares of  another  of the Funds,  or for shares of the other
mutual funds  distributed by the Distributor,  which currently  include Security
Growth and Income,  Equity,  Global,  Total Return,  Social  Awareness,  Mid Cap
Value,  Small Cap Growth,  Enhanced Index,  International,  Select 25, Large Cap
Growth,  Technology and Ultra Funds.  Exchanges may be made only in those states
where shares of the fund into which an exchange is to be made are  qualified for
sale.  No service fee or sales charge is presently  imposed on such an exchange.
Shares of a particular  class of the Funds may be  exchanged  only for shares of
the same class of another fund  distributed by the  Distributor or for shares of
Cash Fund,  which offers a single  class of shares.  Any  applicable  contingent
deferred sales charge will be imposed upon  redemption  and calculated  from the
date of the initial purchase without regard to the time shares were held in Cash
Fund.


For tax purposes,  an exchange is a sale of shares which may result in a taxable
gain or loss. Special rules may apply to determine the amount of gain or loss on
an  exchange  occurring  within  ninety  days after the  exchanged  shares  were
acquired.

Exchanges  of  Class A  shares  from  Corporate  Bond,  Limited  Maturity  Bond,
Diversified  Income,  High Yield and Municipal  Bond Funds are made at net asset
value without a front-end  sales charge if (1) the shares have been owned for at
least 90  consecutive  days prior to the exchange,  (2) the shares were acquired
pursuant to a prior  exchange from a Security Fund which assessed a sales charge
on the  original  purchase,  or (3) the shares were  acquired as a result of the
reinvestment of dividends or capital gains  distributions.  Exchanges of Class A
shares from Corporate Bond,  Limited  Maturity Bond,  Diversified  Income,  High
Yield and Municipal Bond Funds,  other than those described  above,  are made at
net asset value plus the sales charge  described in the  prospectus of the other
Security Fund being acquired,  less the sales charge paid on the shares of these
Funds at the time of original purchase.

Because Cash Fund does not impose a sales  charge or  commission  in  connection
with sales of its shares,  any  exchange of Cash Fund  shares  acquired  through
direct purchase or reinvestment of dividends will be based on the respective net
asset values of the shares  involved and a sales charge will be imposed equal to
the sales  charge  that  would be  charged  such  shareholder  if he or she were
purchasing for cash.

Shareholders  should contact the Fund before  requesting an exchange in order to
ascertain  whether  any  sales  charges  are  applicable  to  the  shares  to be
exchanged.  In effecting the exchanges of Fund shares,  the  Investment  Manager
will first cause to be exchanged  those shares which would not be subject to any
sales charges.

Exchanges are made upon receipt of a properly completed  Exchange  Authorization
form.  A current  prospectus  of the fund into which an exchange is made will be
given to each stockholder exercising this privilege.

To  exchange   shares  by  telephone,   a   shareholder   must  hold  shares  in
non-certificate  form and must  either have  completed  the  Telephone  Exchange
section of the application or a Telephone Transfer  Authorization form which may
be obtained from the Investment Manager. Once authorization has been received by
the  Investment  Manager,  a  shareholder  may  exchange  shares by telephone by
calling  the  Funds at (800)  888-2461,  extension  3127,  on  weekdays  (except
holidays)  between the hours of 7:00 a.m. and 6:00 p.m.  Central time.  Exchange
requests  received by telephone  after the close of the New York Stock  Exchange
(normally  3 p.m.  Central  time)  will be treated  as if  received  on the next
business day. The exchange  privilege,  including  telephone  exchanges,  may be
changed  or  discontinued  at any time by either the  Investment  Manager or the
Funds upon 60 days' notice to shareholders.

RETIREMENT PLANS -- The Funds have available tax-qualified  retirement plans for
individuals,  prototype plans for the self-employed,  pension and profit sharing
plans for  corporations  and  custodial  accounts for employees of public school
systems and  organizations  meeting the requirements of Section 501(c)(3) of the
Internal Revenue Code. Further  information  concerning these plans is contained
in the Funds' Statement of Additional Information.

GENERAL INFORMATION

SHAREHOLDER  INQUIRIES  --  Shareholders  who have  questions  concerning  their
account  or wish to obtain  additional  information  may write to the Funds (see
back cover for address  and  telephone  numbers),  or contact  their  securities
dealer.

INVESTMENT POLICIES AND MANAGEMENT PRACTICES


This section takes a detailed look at some of the types of securities  the Funds
may hold in their portfolios and the various kinds of management  practices that
may be  used  in the  portfolios.  The  Funds'  holdings  of  certain  types  of
investments cannot exceed a maximum  percentage of net assets.  These percentage
limitations are set forth in the Statement of Additional Information.  While the
percentage  limitations  provide  a  useful  level  of  detail  about  a  Fund's
investment  program,  they  should  not be  viewed as an  accurate  gauge of the
potential  risk  of  the  investment.  For  example,  in a  given  period,  a 5%
investment in futures contracts could have  significantly more of an impact on a
Fund's  share price than its  weighting  in the  portfolio.  The net effect of a
particular  investment  depends on its  volatility  and the size of its  overall
return in relation to the  performance  of all of the Fund's other  investments.
Fund  Portfolio  Managers  have  considerable   leeway  in  choosing  investment
strategies  and selecting  securities  they believe will help a Fund achieve its
objective. In seeking to meet its investment objective, a Fund may invest in any
type of security or instrument whose investment  characteristics  are consistent
with the Fund's investment program.


The Funds are subject to certain  investment policy  limitations  referred to as
"fundamental  policies."  The  fundamental  policies  cannot be changed  without
shareholder  approval.  Some of the more important fundamental policies are that
each Fund will not:

*  invest more than 5% of its total assets in the  securities  of any one issuer
   (other  than  obligations  of, or  guaranteed  by, the U.S.  Government,  its
   agencies or instrumentalities);  provided,  that this limitation applies only
   with respect to 75% of the value of its total assets

*  purchase a security if, as a result,  with respect to 75% of the value of the
   Fund's total assets,  more than 10% of the outstanding  voting  securities of
   any one issuer  would be held by the Fund (other than  obligations  issued or
   guaranteed by the U.S. Government, its agencies or instrumentalities)

*  invest 25% or more of its total assets in any one industry.

The  Municipal  Bond  Fund  will  not  invest  more  than 20% of its  assets  in
securities  that  are not  tax-exempt  securities,  except  when in a  temporary
defensive  position.  The  full  text of each  Fund's  fundamental  policies  is
included in the Statement of Additional Information.

The following  pages describe some of the  investments  which may be made by the
Funds, as well as some of the management practices of the Funds.

CONVERTIBLE  SECURITIES  -- Corporate  Bond Fund,  Limited  Maturity  Bond Fund,
Diversified  Income  Fund and High Yield  Fund may  invest in debt or  preferred
equity  securities  convertible  into, or exchangeable  for, equity  securities.
Traditionally,  convertible  securities have paid dividends or interest at rates
higher  than  common  stocks but lower  than  non-convertible  securities.  They
generally  participate in the  appreciation  or  depreciation  of the underlying
stock into which they are convertible, but to a lesser degree.

FOREIGN   SECURITIES  --  Corporate  Bond  Fund,  Limited  Maturity  Bond  Fund,
Diversified  Income  Fund and High Yield  Fund may invest in foreign  securities
denominated   in  U.S.   dollars.   Foreign   investments   increase   a  Fund's
diversification  and may enhance  return,  but they 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.
These risks are heightened for investments in developing countries.

ASSET-BACKED  SECURITIES  -- Corporate  Bond Fund,  Limited  Maturity Bond Fund,
Diversified  Income  Fund  and  High  Yield  Fund  may  invest  in  asset-backed
securities.  An  underlying  pool of assets,  such as credit  card  receivables,
automobile  loans, or corporate loans or bonds back these bonds and provides the
interest and principal  payments to investors.  On occasion,  the pool of assets
may also  include a swap  obligation,  which is used to change the cash flows on
the underlying  assets. As an example, a swap may be used to allow floating rate
assets to back a fixed rate obligation.  Credit quality depends primarily on the
quality of the underlying assets, the level of credit support,  if any, provided
by the issuer,  and the credit  quality of the swap  counterparty,  if any.  The
underlying assets (i.e. loans) are subject to prepayments, which can shorten the
securities' weighted average life and may lower their return. The value of these
securities  also may  change  because  of actual  or  perceived  changes  in the
creditworthiness   of  the  originator,   the  servicing  agent,  the  financial
institution providing credit support, or swap counterparty.

MORTGAGE-BACKED  SECURITIES -- Corporate Bond Fund,  Limited Maturity Bond Fund,
Diversified  Income  Fund and  High  Yield  Fund  may  invest  in a  variety  of
mortgage-backed securities. Mortgage lenders pool individual home mortgages with
similar  characteristics  to  back a  certificate  or  bond,  which  is  sold to
investors such as the Funds.  Interest and principal  payments  generated by the
underlying  mortgages  are passed  through to the  investors.  The three largest
issuers of these  securities are the Government  National  Mortgage  Association
(GNMA), the Federal National Mortgage  Association  (Fannie Mae) and the Federal
Home Loan Mortgage  Corporation  (Freddie Mac). GNMA  certificates are backed by
the full faith and credit of the U.S.  Government,  while others, such as Fannie
Mae and Freddie Mac  certificates,  are only  supported by the ability to borrow
from the U.S.  Treasury or supported  only by the credit of the agency.  Private
mortgage bankers and other institutions also issue  mortgage-backed  securities.
Mortgage-backed  securities are subject to scheduled and  unscheduled  principal
payments as homeowners pay down or prepay their mortgages. As these payments are
received,  they must be reinvested  when  interest  rates may be higher or lower
than on the original mortgage security.  Therefore,  these securities are not an
effective  means of locking in  long-term  interest  rates.  In  addition,  when
interest rates fall, the pace of mortgage prepayments picks up. These refinanced
mortgages are paid off at face value (par),  causing a loss for any investor who
may have  purchased  the security at a price above par. In such an  environment,
this risk limits the potential price  appreciation  of these  securities and can
negatively  affect the fund's net asset  value.  When rates rise,  the prices of
mortgage-backed  securities  can be expected to decline,  although  historically
these securities have experienced smaller price declines than comparable quality
bonds. In addition, when rates rise and prepayments slow, the effective duration
of mortgage-backed securities extends, resulting in increased volatility.

Additional  mortgage-backed  securities in which these Funds may invest  include
COLLATERALIZED  MORTGAGE  OBLIGATIONS  (CMOs) and stripped mortgage  securities.
CMOs are debt  securities  that  are  fully  collateralized  by a  portfolio  of
mortgages or  mortgage-backed  securities.  All interest and principal  payments
from the underlying mortgages are passed through to the CMOs in such a way as to
create,  in most  cases,  more  definite  maturities  than is the case  with the
underlying  mortgages.  CMOs may pay fixed or variable  rates of  interest,  and
certain  CMOs  have  priority  over  others  with  respect  to  the  receipt  of
prepayments.  Stripped  mortgage  securities  (a type of  potentially  high-risk
derivative)  are created by  separating  the  interest  and  principal  payments
generated by a pool of mortgage-backed  securities or a CMO to create additional
classes of  securities.  Generally,  one class  receives only interest  payments
(IOs)  and  another  receives  principal  payments  (POs).   Unlike  with  other
mortgage-backed  securities  and POs, the value of IOs tends to move in the same
direction as interest  rates.  The fund can use IOs as a hedge  against  falling
prepayment  rates (interest rates are rising) and/or a bear market  environment.
POs can be used as a hedge against rising  prepayment  rates (interest rates are
falling) and/or a bull market environment.  IOs and POs are acutely sensitive to
interest  rate  changes  and to the rate of  principal  prepayments.  A rapid or
unexpected  increase in prepayments can severely depress the price of IOs, while
a rapid or unexpected decrease in prepayments could have the same effect on POs.
These  securities  are very volatile in price and may have lower  liquidity than
most  other  mortgage-backed  securities.  Certain  non-stripped  CMOs  may also
exhibit these  qualities,  especially  those that pay variable rates of interest
that adjust inversely with, and more rapidly than, short-term interest rates. In
addition,  if interest  rates rise rapidly and  prepayment  rates slow more than
expected, certain CMOs, in addition to losing value, can exhibit characteristics
of  longer-term  securities  and become more  volatile.  There is no guarantee a
Fund's  investment in CMOs,  IOs, or POs will be successful,  and a Fund's total
return could be adversely affected as a result.

RESTRICTED  SECURITIES  --  Corporate  Bond Fund,  Limited  Maturity  Bond Fund,
Diversified Income Fund, Cash Fund, and High Yield Fund may invest in restricted
securities that are eligible for resale under Rule 144A of the Securities Act of
1933. These securities are sold directly to a small number of investors, usually
institutions.  Unlike public offerings, restricted securities are not registered
with the SEC. Although restricted securities which are eligible for resale under
Rule 144A may be readily  sold to  qualified  buyers,  there may not always be a
market for them and their sale may  involve  substantial  delays and  additional
costs. In addition,  the Funds may invest in restricted  securities that are not
eligible for resale under Rule 144A. Because there is no active market for these
types of securities,  selling a security that is not a Rule 144A security may be
difficult  and/or may involve expenses that would not be incurred in the sale of
securities that were freely marketable.

LOWER RATE DEBT SECURITIES -- Corporate Bond Fund,  Limited  Maturity Bond Fund,
Diversified  Income Fund and High Yield Fund may invest in higher  yielding debt
securities in the lower rating (higher risk) categories of the recognized rating
services (commonly  referred to as "junk bonds").  The total return and yield of
junk bonds can be expected to fluctuate  more than the total return and yield of
higher-quality  bonds.  Junk bonds  (those  rated below BBB or in  default)  are
regarded as predominantly  speculative  with respect to the issuer's  continuing
ability to meet  principal  and  interest  payments.  Successful  investment  in
lower-medium-  and  low-quality  bonds involves  greater  investment risk and is
highly  dependent  on the  Investment  Manager's  credit  analysis.  A  real  or
perceived  economic  downturn or higher  interest rates could cause a decline in
high-yield bond prices by lessening the ability of issuers to make principal and
interest payments. These bonds are often thinly traded and can be more difficult
to sell and value accurately than high-quality bonds.  Because objective pricing
data may be less  available,  judgment may play a greater role in the  valuation
process.  In  addition,  the entire junk bond market can  experience  sudden and
sharp price  swings due to a variety of factors,  including  changes in economic
forecasts, stock market activity, large or sustained sales by major investors, a
high-profile default, or just a change in the market's psychology.  This type of
volatility  is usually  associated  more with stocks  than bonds,  but junk bond
investors should be prepared for it.


U.S. GOVERNMENT SECURITIES-- Each Fund may invest in U.S. Government securities.
Some U.S. Government securities, such as Treasury bills and bonds, are supported
by the full faith and credit of the U.S. Treasury;  others, such as those of the
Federal  National  Mortgage  Association,  are  supported  by the  discretionary
authority of the U.S.  Government  to purchase the agency's  obligations;  still
others such as those of the Student Loan  Marketing  Association,  are supported
only by the credit of the  instrumentality.  U.S. Government  securities include
bills,  certificates of indebtedness,  notes and bonds issued by the Treasury or
by agencies or instrumentalities of the U.S. Government.


GUARANTEED  INVESTMENT  CONTRACTS ("GICS") -- Cash Fund may invest in GICs. When
investing in GICs,  the Fund makes a cash  contribution  to a deposit fund of an
insurance  company's  general  account.   The  insurance  company  then  credits
guaranteed  interest to the deposit  fund on a monthly  basis.  The GICs provide
that this guaranteed  interest will not be less than a certain minimum rate. The
insurance  company may assess  periodic  charges  against a GIC for expenses and
service  costs  allocable to it, and the charges will be deducted from the value
of the deposit  fund.  Cash Fund may invest only in GICs that have  received the
requisite  ratings by one or more  NRSROs.  Because a Fund may not  receive  the
principal amount of a GIC from the insurance  company on 7 days' notice or less,
the GIC is considered an illiquid  investment.  In determining average portfolio
maturity,  GICs will be deemed to have a  maturity  equal to the  period of time
remaining until the next readjustment of the guaranteed interest rate.

Some of the management practices of the Funds include:

CASH RESERVES -- Each Fund may establish and maintain reserves as the Investment
Manager or relevant  Sub-Adviser  believes is advisable to facilitate the Fund's
cash  flow  needs  (e.g.,  redemptions,  expenses  and  purchases  of  portfolio
securities)  or for  temporary,  defensive  purposes.  Such reserves may include
various types of money market instruments,  certificates of deposit, bank demand
accounts and repurchase agreements.

BORROWING  -- Each Fund may borrow  money from banks as a temporary  measure for
emergency purposes,  to facilitate  redemption  requests,  or for other purposes
consistent with the Fund's investment objective and program. Such borrowings may
be  collateralized  with  Fund  assets.  To the  extent  that  a Fund  purchases
securities  while it has outstanding  borrowings,  it is using  leverage,  I.E.,
using borrowed funds for  investment.  Leveraging  will exaggerate the effect on
net asset value of any  increase  or  decrease  in the market  value of a Fund's
portfolio.  Money borrowed for leveraging will be subject to interest costs that
may or may not be recovered by  appreciation  of the  securities  purchased;  in
certain cases,  interest costs may exceed the return  received on the securities
purchased.  A Fund also may be required to maintain  minimum average balances in
connection with such borrowing or to pay a commitment or other fee to maintain a
line of  credit;  either  of  these  requirements  would  increase  the  cost of
borrowing over the stated interest rate.


FUTURES AND OPTIONS --  Diversified  Income Fund,  High Yield Fund and Municipal
Bond Fund may utilize futures  contracts.  The Diversified  Income Fund and High
Yield Fund may also utilize  options on futures,  and may purchase  call and put
options and write call and put options on a "covered" basis.  Futures (a type of
potentially high-risk derivative) are often used to manage or hedge risk because
they enable the investor to buy or sell an asset in the future at an agreed-upon
price.  Options  (another type of  potentially  high-risk  derivative)  give the
investor the right (where the investor purchases the options), or the obligation
(where the investor  writes  (sells) the options),  to buy or sell an asset at a
predetermined  price in the future.  Futures and options contracts may be bought
or sold for any number of reasons,  including:  to manage exposure to changes in
interest  rates and bond  prices;  as an efficient  means of  adjusting  overall
exposure  to certain  markets;  in an effort to enhance  income;  to protect the
value of portfolio securities; and to adjust portfolio duration. The Diversified
Income  Fund and High  Yield  Fund may  purchase,  sell,  or write  call and put
options on securities and financial  indices.  Futures contracts and options may
not always be successful hedges; their prices can be highly volatile. Using them
could  lower a Fund's  total  return,  and the  potential  loss  from the use of
futures can exceed the Fund's initial investment in such contracts.


SWAPS,  CAPS, FLOORS AND COLLARS -- Diversified  Income Fund and High Yield Fund
may enter into interest rate, total return and index swaps.  High Yield Fund may
also enter into the purchase or sale of related caps, floors and collars. A Fund
would enter into these transactions  primarily to preserve a return or spread on
a particular  investment or portion of its portfolio as a technique for managing
the  portfolio's  duration  (i.e.  the price  sensitivity to changes in interest
rates) or to protect  against any increase in the price of  securities  the Fund
anticipates  purchasing  at a later date. To the extent a Fund enters into these
types  of  transactions,  it  will be done  to  hedge  and not as a  speculative
investment,  and the Fund will not sell  interest rate caps or floors if it does
not own  securities  or other  instruments  providing the income the Fund may be
obligated  to pay.  Interest  rate swaps  involve  the  exchange  by a Fund with
another party of their  respective  commitments to pay or receive  interest on a
notional  amount of  principal.  The purchase of a cap entitles the purchaser to
receive  payments on a notional  principal amount from the party selling the cap
to the extent that a specified index exceeds a predetermined  interest rate. The
purchase of an interest rate floor entitles the purchaser to receive payments on
a notional  principal amount from the party selling the floor to the extent that
a specified index falls below a predetermined  interest rate or amount. A collar
is a combination  of a cap and a floor that  preserves a certain return within a
predetermined range of interest rates or values.


WHEN-ISSUED  SECURITIES AND FORWARD COMMITMENT CONTRACTS -- Corporate Bond Fund,
Limited  Maturity  Bond  Fund,  Diversified  Income  Fund,  High  Yield Fund and
Municipal  Bond  Fund may  purchase  and  sell  securities  on a "when  issued,"
"forward  commitment" or "delayed delivery" basis. The price of these securities
is fixed at the time of the commitment to buy, but delivery and payment can take
place a month or more later.  During the interim period, the market value of the
securities can fluctuate,  and no interest accrues to the purchaser. At the time
of delivery,  the value of the  securities may be more or less than the purchase
or sale price. When a Fund purchases  securities on this basis,  there is a risk
that the securities may not be delivered and that the Fund may incur a loss.


PORTFOLIO TURNOVER -- Although the Funds will not generally trade for short-term
profits, circumstances may warrant a sale without regard to the length of time a
security  was held. A high  turnover  rate may  increase  transaction  costs and
result in additional taxable gains.

FINANCIAL HIGHLIGHTS


   The financial  highlights table is intended to help you understand the Fund's
financial  performance  for their  Class A shares and Class B shares  during the
past five years, or the period since commencement of a Fund. Certain information
reflects  financial  results for a single Fund share.  The total  returns in the
table  represent  the rate that an  investor  would have  earned (or lost) on an
investment in the Fund assuming reinvestment of all dividends and distributions.
This information has been audited by ___________,  whose report,  along with the
Funds'  financial  statements,  are  included  in the  annual  report,  which is
available upon request.

<TABLE>
- ------------------------------------------------------------------------------------------------------------------------------------
CORPORATE BOND FUND (CLASS A)
- ------------------------------------------------------------------------------------------------------------------------------------
<CAPTION>
                                                                                   FISCAL YEAR ENDED DECEMBER 31
                                                               ---------------------------------------------------------------------
                                                               1999       1998(B)(C)       1997(C)       1996(C)(E)       1995(C)(E)
                                                               ----       ----------       -------       ----------       ----------
<S>                                                            <C>          <C>            <C>             <C>              <C>
PER SHARE DATA
Net asset value beginning of period............................             $ 7.05         $ 6.87          $ 7.39           $ 6.68

INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss)...................................               0.43           0.45            0.47             0.47
Net gain (loss) on securities (realized & unrealized)..........               0.09           0.19           (0.52)            0.71
                                                                             -----          -----           -----            -----
Total from investment operations...............................               0.52           0.64           (0.05)            1.18

LESS DISTRIBUTIONS
Dividends (from net investment income).........................              (0.43)         (0.46)          (0.47)           (0.47)
Distributions (from capital gains).............................                ---            ---             ---              ---
                                                                             -----          -----           -----            -----
Total distributions............................................              (0.43)         (0.46)          (0.47)           (0.47)
                                                                             -----          -----           -----            -----
Net asset value end of period..................................             $ 7.14         $ 7.05          $ 6.87           $ 7.39
                                                                             =====          =====           =====            =====
Total return (a)...............................................                7.6%           9.7%          (0.5)%            18.2%

RATIOS/SUPPLEMENTAL DATA
Net assets end of period (thousands)...........................             $53,055        $56,487         $73,360          $93,701
Ratio of expenses to average net assets........................               1.06%          1.07%           1.01%            1.02%
Ratio of net investment income (loss) to average net assets....               6.01%          6.50%           6.54%            6.62%
Portfolio turnover rate........................................                 64%           120%            292%             200%
</TABLE>

<TABLE>
- ------------------------------------------------------------------------------------------------------------------------------------
CORPORATE BOND FUND (CLASS B)
- ------------------------------------------------------------------------------------------------------------------------------------
<CAPTION>
                                                                                 FISCAL YEAR ENDED DECEMBER 31
                                                               ---------------------------------------------------------------------
                                                               1999    1998(B)(C)     1997(B)(C)     1996(B)(C)(E)     1995(B)(C)(E)
                                                               ----    ----------     ----------     -------------     -------------
<S>                                                            <C>       <C>            <C>             <C>               <C>
PER SHARE DATA
Net asset value beginning of period............................          $ 7.09         $ 6.90          $ 7.43            $ 6.71

INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss)...................................            0.37           0.40            0.40              0.40
Net gain (loss) on securities (realized & unrealized)..........            0.10           0.19           (0.52)             0.73
                                                                          -----          -----           -----             -----
Total from investment operations...............................            0.47           0.59           (0.12)             1.13

LESS DISTRIBUTIONS
Dividends (from net investment income).........................           (0.37)         (0.40)          (0.41)            (0.41)
Distributions (from capital gains).............................             ---            ---             ---               ---
                                                                          -----          -----           -----             -----
Total distributions............................................           (0.37)         (0.40)          (0.41)            (0.41)
                                                                          -----          -----           -----             -----
Net asset value end of period..................................          $ 7.19         $ 7.09          $ 6.90            $ 7.43
                                                                          =====          =====           =====             =====
Total return (a)...............................................             6.9%           8.7%          (1.4)%             17.3%

RATIOS/SUPPLEMENTAL DATA
Net assets end of period (thousands)...........................           $7,982         $6,493          $7,303            $5,743
Ratio of expenses to average net assets........................            1.85%          1.85%           1.85%             1.85%
Ratio of net investment income (loss) to average net assets....            5.18%          5.72%           5.70%             5.80%
Portfolio turnover rate........................................              64%           120%            292%              200%
</TABLE>

<TABLE>
- ------------------------------------------------------------------------------------------------------------------------------------
LIMITED MATURITY BOND FUND (CLASS A)
- ------------------------------------------------------------------------------------------------------------------------------------
<CAPTION>
                                                                                  FISCAL YEAR ENDED DECEMBER 31
                                                             -----------------------------------------------------------------------
                                                             1999   1998(B)(C)(E)   1997(B)(C)(E)   1996(B)(C)(E)   1995(B)(C)(D)(E)
                                                             ----   -------------   -------------   -------------   ----------------
<S>                                                          <C>       <C>             <C>             <C>             <C>
PER SHARE DATA
Net asset value beginning of period..........................          $10.30          $10.14          $10.66          $10.00

INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss).................................            0.65            0.72            0.72            0.62
Net gain (loss) on securities (realized & unrealized)........            0.10            0.16           (0.51)           0.65
                                                                        -----           -----           -----           -----
Total from investment operations.............................            0.75            0.88            0.21            1.27

LESS DISTRIBUTIONS
Dividends (from net investment income).......................           (0.65)          (0.72)          (0.72)          (0.61)
Distributions (from capital gains)...........................             ---             ---             ---             ---
Return of capital............................................             ---             ---           (0.01)            ---
                                                                        -----           -----           -----           -----
Total distributions..........................................           (0.65)          (0.72)          (0.73)          (0.61)
                                                                        -----           -----           -----           -----
Net asset value end of period................................          $10.40          $10.30          $10.14          $10.66
                                                                        =====           =====           =====           =====
Total return (a).............................................             7.5%            9.0%            2.1%           13.0%

RATIOS/SUPPLEMENTAL DATA
Net assets end of period (thousands).........................           $6,365          $5,490          $4,938          $3,322
Ratio of expenses to average net assets......................            0.87%           0.55%           0.90%           0.84%
Ratio of net investment income (loss) to average net assets..            6.30%           7.10%           6.97%           5.97%
Portfolio turnover rate......................................              58%             76%            105%              4%
</TABLE>

<TABLE>
- ------------------------------------------------------------------------------------------------------------------------------------
LIMITED MATURITY BOND FUND (CLASS B)
- ------------------------------------------------------------------------------------------------------------------------------------
<CAPTION>
                                                                                   FISCAL YEAR ENDED DECEMBER 31
                                                             -----------------------------------------------------------------------
                                                             1999   1998(B)(C)(E)   1997(B)(C)(E)   1996(B)(C)(E)   1995(B)(C)(D)(E)
                                                             ----   -------------   -------------   -------------   ----------------
<S>                                                          <C>       <C>             <C>             <C>              <C>
PER SHARE DATA
Net asset value beginning of period..........................          $10.27          $10.14          $10.67           $10.00

INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss).................................            0.53            0.61            0.63             0.53
Net gain (loss) on securities (realized & unrealized)........            0.11            0.14           (0.52)            0.66
                                                                        -----           -----           -----            -----
Total from investment operations.............................            0.64            0.75            0.11             1.19

LESS DISTRIBUTIONS
Dividends (from net investment income).......................           (0.54)          (0.62)          (0.63)           (0.52)
Distributions (from capital gains)...........................             ---             ---             ---              ---
Return of capital............................................             ---             ---           (0.01)             ---
                                                                        -----           -----           -----            -----
Total distributions..........................................           (0.54)          (0.62)          (0.64)           (0.52)
                                                                        -----           -----           -----            -----
Net asset value end of period................................          $10.37          $10.27          $10.14           $10.67
                                                                        =====           =====           =====            =====
Total return (a).............................................             6.4%            7.7%            1.1%            12.2%

RATIOS/SUPPLEMENTAL DATA
Net assets end of period (thousands).........................           $1,354          $1,054            $761             $752
Ratio of expenses to average net assets......................            1.89%           1.50%           1.88%            1.71%
Ratio of net investment income (loss) to average net assets..            5.18%           6.15%           5.99%            5.12%
Portfolio turnover rate......................................              58%             76%            105%               4%
</TABLE>

<TABLE>
- ------------------------------------------------------------------------------------------------------------------------------------
DIVERSIFIED INCOME FUND (CLASS A)
- ------------------------------------------------------------------------------------------------------------------------------------
<CAPTION>
                                                                                   FISCAL YEAR ENDED DECEMBER 31
                                                               ---------------------------------------------------------------------
                                                               1999    1998(B)(C)     1997(B)(C)     1996(B)(C)(E)     1995(B)(C)(E)
                                                               ----    ----------     ----------     -------------     -------------
<S>                                                            <C>       <C>            <C>             <C>               <C>
PER SHARE DATA
Net asset value beginning of period............................          $ 4.81         $ 4.71          $ 4.97            $ 4.35

INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss)...................................            0.27           0.32            0.31              0.30
Net gain (loss) on securities (realized & unrealized)..........            0.16           0.10           (0.26)             0.62
                                                                          -----          -----           -----             -----
Total from investment operations...............................            0.43           0.42            0.05              0.92

LESS DISTRIBUTIONS
Dividends (from net investment income).........................           (0.28)         (0.32)          (0.31)            (0.30)
Distributions (from capital gains).............................             ---            ---             ---               ---
                                                                          -----          -----           -----             -----
Total distributions............................................           (0.28)         (0.32)          (0.31)            (0.30)
                                                                          -----          -----           -----             -----
Net asset value end of period..................................          $ 4.96         $ 4.81          $ 4.71            $ 4.97
                                                                          =====          =====           =====             =====
Total return (a)...............................................             9.1%           9.2%            1.3%             21.9%

RATIOS/SUPPLEMENTAL DATA
Net assets end of period (thousands)...........................          $12,644         $7,652          $8,036           $10,080
Ratio of expenses to average net assets........................            0.93%          0.60%           0.65%             1.11%
Ratio of net investment income (loss) to average net assets....            5.62%          6.10%           6.44%             6.41%
Portfolio turnover rate........................................              78%            39%             75%               81%
</TABLE>

<TABLE>
- ------------------------------------------------------------------------------------------------------------------------------------
DIVERSIFIED INCOME FUND (CLASS B)
- ------------------------------------------------------------------------------------------------------------------------------------
<CAPTION>
                                                                                   FISCAL YEAR ENDED DECEMBER 31
                                                               ---------------------------------------------------------------------
                                                               1999    1998(B)(C)     1997(B)(C)     1996(B)(C)(E)     1995(B)(C)(E)
                                                               ----    ----------     ----------     -------------     -------------
<S>                                                            <C>       <C>            <C>             <C>               <C>
PER SHARE DATA
Net asset value beginning of period............................          $ 4.80         $ 4.71          $ 4.97            $ 4.35

INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss)...................................            0.22           0.26            0.25              0.26
Net gain (loss) on securities (realized & unrealized)..........            0.16           0.10           (0.25)             0.63
                                                                          -----          -----           -----             -----
Total from investment operations...............................            0.38           0.36           (0.00)             0.89

LESS DISTRIBUTIONS
Dividends (from net investment income).........................           (0.23)         (0.27)          (0.26)            (0.27)
Distributions (from capital gains).............................             ---            ---             ---               ---
                                                                          -----          -----           -----             -----
Total distributions............................................           (0.23)         (0.27)          (0.26)            (0.27)
                                                                          -----          -----           -----             -----
Net asset value end of period..................................          $ 4.95         $ 4.80          $ 4.71            $ 4.97
                                                                          =====          =====           =====             =====
Total return (a)...............................................             8.0%           7.9%         (0.02)%             20.9%

RATIOS/SUPPLEMENTAL DATA
Net assets end of period (thousands)...........................           $3,668         $1,091            $661              $582
Ratio of expenses to average net assets........................            1.85%          1.68%           1.86%             1.87%
Ratio of net investment income (loss) to average net assets....            4.66%          5.02%           5.23%             5.69%
Portfolio turnover rate........................................              78%            39%             75%               81%
</TABLE>

<TABLE>
- ------------------------------------------------------------------------------------------------------------------------------------
HIGH YIELD FUND (CLASS A)
- ------------------------------------------------------------------------------------------------------------------------------------
<CAPTION>
                                                                             FISCAL YEAR ENDED DECEMBER 31
                                                               ----------------------------------------------------------------
                                                               1999          1998(B)(C)         1997(B)(C)        1996(B)(C)(F)
                                                               ----          ----------         ----------        -------------
<S>                                                            <C>             <C>                <C>                <C>
PER SHARE DATA
Net asset value beginning of period............................                $15.71             $15.32             $15.00

INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss)...................................                  1.22               1.25               0.45
Net gain (loss) on securities (realized & unrealized)..........                 (0.47)              0.60               0.32
                                                                                -----              -----              -----
Total from investment operations...............................                  0.75               1.85               0.77

LESS DISTRIBUTIONS
Dividends (from net investment income).........................                 (1.22)             (1.25)             (0.45)
Distributions (from capital gains).............................                 (0.19)             (0.21)               ---
                                                                                -----              -----              -----
Total distributions............................................                 (1.41)             (1.46)             (0.45)
                                                                                -----              -----              -----
Net asset value end of period..................................                $15.05             $15.71             $15.32
                                                                                =====              =====              =====
Total return (a)...............................................                   5.0%              12.6%               5.2%

RATIOS/SUPPLEMENTAL DATA
Net assets end of period (thousands)...........................                 $5,781             $5,179             $2,780
Ratio of expenses to average net assets........................                  0.76%              0.87%              1.54%
Ratio of net investment income (loss) to average net assets....                  7.96%              8.14%              7.47%
Portfolio turnover rate........................................                   103%                87%               168%
</TABLE>

<TABLE>
- ------------------------------------------------------------------------------------------------------------------------------------
HIGH YIELD FUND (CLASS B)
- ------------------------------------------------------------------------------------------------------------------------------------
<CAPTION>
                                                                             FISCAL YEAR ENDED DECEMBER 31
                                                               ----------------------------------------------------------------
                                                               1999          1998(B)(C)         1997(B)(C)        1996(B)(C)(F)
                                                               ----          ----------         ----------        -------------
<S>                                                            <C>             <C>                <C>                <C>
PER SHARE DATA
Net asset value beginning of period............................                $15.68             $15.32             $15.00

INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss)...................................                  1.10               1.10               0.41
Net gain (loss) on securities (realized & unrealized)..........                 (0.47)              0.59               0.32
                                                                                -----              -----              -----
Total from investment operations...............................                  0.63               1.69               0.73

LESS DISTRIBUTIONS
Dividends (from net investment income).........................                 (1.10)             (1.12)             (0.41)
Distributions (from capital gains).............................                 (0.19)             (0.21)               ---
                                                                                -----              -----              -----
Total distributions............................................                 (1.29)             (1.33)             (0.41)
                                                                                -----              -----              -----
Net asset value end of period..................................                $15.02             $15.68             $15.32
                                                                                =====              =====              =====
Total return (a)...............................................                   4.2%              11.5%               4.9%

RATIOS/SUPPLEMENTAL DATA
Net assets end of period (thousands)...........................                 $4,236             $4,432             $2,719
Ratio of expenses to average net assets........................                  1.53%              1.80%              2.26%
Ratio of net investment income (loss) to average net assets....                  7.17%              7.21%              6.74%
Portfolio turnover rate........................................                   103%                87%               168%
</TABLE>

<TABLE>
- ------------------------------------------------------------------------------------------------------------------------------------
MUNICIPAL BOND FUND (CLASS A)
- ------------------------------------------------------------------------------------------------------------------------------------
<CAPTION>
                                                                                   FISCAL YEAR ENDED DECEMBER 31
                                                               ---------------------------------------------------------------------
                                                               1999    1998(B)(C)(E)    1997(B)(C)    1996(B)(C)(E)    1995(B)(C)(E)
                                                               ----    -------------    ----------    -------------    -------------
<S>                                                            <C>        <C>              <C>           <C>              <C>
PER SHARE DATA
Net asset value beginning of period............................           $10.08           $ 9.72        $ 9.94           $ 9.05

INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss)...................................             0.43             0.42          0.45             0.48
Net gain (loss) on securities (realized & unrealized)..........             0.17             0.36         (0.21)            0.89
                                                                           -----            -----         -----            -----
Total from investment operations...............................             0.60             0.78          0.24             1.37

LESS DISTRIBUTIONS
Dividends (from net investment income).........................            (0.44)           (0.42)        (0.46)           (0.48)
Distributions (from capital gains).............................              ---              ---           ---              ---
                                                                           -----            -----         -----            -----
Total distributions............................................            (0.44)           (0.42)        (0.46)           (0.48)
                                                                           -----            -----         -----            -----
Net asset value end of period..................................           $10.24           $10.08        $ 9.72           $ 9.94
                                                                           =====            =====         =====            =====
Total return (a)...............................................              6.1%             8.3%          2.5%            15.5%

RATIOS/SUPPLEMENTAL DATA
Net assets end of period (thousands)...........................           $19,012          $21,953       $23,304          $25,026
Ratio of expenses to average net assets........................             0.82%            0.82%         0.78%            0.86%
Ratio of net investment income (loss) to average net assets....             4.23%            4.29%         4.67%            5.02%
Portfolio turnover rate........................................               94%              48%           54%             103%
</TABLE>

<TABLE>
- ------------------------------------------------------------------------------------------------------------------------------------
MUNICIPAL BOND FUND (CLASS B)
- ------------------------------------------------------------------------------------------------------------------------------------
<CAPTION>
                                                                                   FISCAL YEAR ENDED DECEMBER 31
                                                               ---------------------------------------------------------------------
                                                               1999    1998(B)(C)(E)    1997(B)(C)    1996(B)(C)(E)    1995(B)(C)(E)
                                                               ----    -------------    ----------    -------------    -------------
<S>                                                            <C>        <C>              <C>           <C>              <C>
PER SHARE DATA
Net asset value beginning of period............................           $10.08           $ 9.73        $ 9.95           $ 9.05

INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss)...................................             0.31             0.29          0.33             0.37
Net gain (loss) on securities (realized & unrealized)..........             0.17             0.37         (0.21)            0.90
                                                                           -----            -----         -----            -----
Total from investment operations...............................             0.48             0.66          0.12             1.27

LESS DISTRIBUTIONS
Dividends (from net investment income).........................            (0.30)           (0.31)        (0.34)           (0.37)
Distributions (from capital gains).............................              ---              ---           ---              ---
                                                                           -----            -----         -----            -----
Total distributions............................................            (0.30)           (0.31)        (0.34)           (0.37)
                                                                           -----            -----         -----            -----
Net asset value end of period..................................           $10.26           $10.08        $ 9.73           $ 9.95
                                                                           =====            =====         =====            =====
Total return (a)...............................................              4.8%             6.9%          1.2%            14.3%

RATIOS/SUPPLEMENTAL DATA
Net assets end of period (thousands)...........................            $1,367           $2,344        $1,510           $1,190
Ratio of expenses to average net assets........................             2.01%            2.00%         2.01%            2.00%
Ratio of net investment income (loss) to average net assets....             3.04%            3.11%         3.44%            3.90%
Portfolio turnover rate........................................               94%              48%           54%             103%
</TABLE>

<TABLE>
- ------------------------------------------------------------------------------------------------------------------------------------
CASH FUND
- ------------------------------------------------------------------------------------------------------------------------------------
<CAPTION>
                                                                               FISCAL YEAR ENDED DECEMBER 31
                                                               -------------------------------------------------------------------
                                                               1999     1998(E)     1997(C)(E)     1996(B)(C)(E)     1995(B)(C)(E)
                                                               ----     -------     ----------     -------------     -------------
<S>                                                            <C>      <C>           <C>             <C>               <C>
PER SHARE DATA
Net asset value beginning of period............................         $ 1.00        $ 1.00          $ 1.00            $ 1.00

INCOME FROM INVESTMENT OPERATIONS:
Net investment income (loss)...................................           0.05          0.05            0.05              0.05
Net gain (loss) on securities (realized & unrealized)..........            ---           ---             ---               ---
                                                                         -----         -----           -----             -----
Total from investment operations...............................           0.05          0.05            0.05              0.05

LESS DISTRIBUTIONS
Dividends (from net investment income).........................          (0.05)        (0.05)          (0.05)            (0.05)
Distributions (from capital gains).............................            ---           ---             ---               ---
                                                                         -----         -----           -----             -----
Total distributions............................................          (0.05)        (0.05)          (0.05)            (0.05)
                                                                         -----         -----           -----             -----
Net asset value end of period..................................         $ 1.00        $ 1.00          $ 1.00            $ 1.00
                                                                         =====         =====           =====             =====
Total return (a)...............................................            4.7%          4.9%            4.6%              5.0%

RATIOS/SUPPLEMENTAL DATA
Net assets end of period (thousands)...........................         $61,828       $57,441         $45,331           $38,158
Ratio of expenses to average net assets........................           0.89%         0.90%           1.01%             1.00%
Ratio of net investment income (loss) to average net assets....           4.60%         4.80%           4.47%             5.00%
Portfolio turnover rate........................................            ---           ---             ---               ---
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>

(a)  Total  return  information  does not reflect  deduction of any sales charge
     imposed at the time of purchase for Class A shares or upon  redemption  for
     Class B shares.

(b)  Fund expenses were reduced by the Investment Manager during the period, and
     expense ratios absent such reimbursement would have been as follows:


<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------------------------------------------
                                 1994                  1995                  1996                  1997                  1998
                          ------------------    ------------------    ------------------    ------------------    ------------------
                          Class A    Class B    Class A    Class B    Class A    Class B    Class A    Class B    Class A    Class B
<S>                        <C>        <C>        <C>        <C>        <C>        <C>        <C>        <C>        <C>        <C>
Corporate Bond              N/A       2.00%       N/A       2.19%       N/A       2.05%       N/A       2.10%       N/A       2.32%
Diversified Income         1.20%      2.91%      1.22%      3.70%      1.17%      3.26%      1.06%      2.14%      1.43%      3.03%
Limited Maturity Bond       N/A        N/A       1.04%      2.12%      1.40%      2.60%      1.04%      1.99%      1.38%      2.70%
High Yield                  N/A        N/A        N/A        N/A       2.11%      2.83%      1.44%      2.37%      1.36%      2.13%
Municipal Bond              N/A       2.32%      0.86%      2.45%      0.78%      2.19%      0.83%      2.00%      0.82%      2.18%
Cash                        N/A        N/A       1.04%       N/A       1.01%       N/A        N/A        N/A        N/A        N/A
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>


(c)  Net  investment  income was  computed  using the average  month-end  shares
     outstanding throughout the period.

(d)  Limited  Maturity Bond Fund was initially  capitalized on January 17, 1995,
     with a net asset value of $10 per share.  Percentage amounts for the period
     have been annualized, except total return.

(e)  Expense  ratios  including  reimbursements,  were  calculated  without  the
     reduction for custodian fees earnings credits  beginning  February 1, 1995.
     Expense ratios with such reductions would have been as follows:

<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------------------------
                                 1995                   1996                   1997                   1998
                          ------------------     ------------------     ------------------     ------------------
                          CLASS A    CLASS B     CLASS A    CLASS B     CLASS A    CLASS B     CLASS A    CLASS B
<S>                        <C>        <C>         <C>        <C>         <C>        <C>         <C>        <C>
Corporate Bond             1.02%      1.85%       1.01%      1.85%        ---        ---         ---        ---
Diversified Income         1.10%      1.85%       0.64%      1.85%        ---        ---         ---        ---
Limited Maturity Bond      0.81%      1.65%       0.87%      1.85%       0.51%      1.46%       0.83%      1.85%
Municipal Bond             0.85%      2.00%       0.77%      2.00%       0.83%      2.00%       0.82%      2.00%
Cash                       1.00%       ---        1.00%       ---        1.00%       ---        0.89%       ---
- -----------------------------------------------------------------------------------------------------------------
</TABLE>

(f)  High  Yield  Fund was  initially  capitalized  on August 5, 1996 with a net
     asset  value of $15.00 per share.  Percentage  amounts  for the period have
     been annualized, except total return.
<PAGE>
                                   APPENDIX A
- --------------------------------------------------------------------------------

DESCRIPTION OF SHORT-TERM INSTRUMENTS

The  types  of  instruments  that  will  form  the  major  part of  Cash  Fund's
investments are described below:

U.S.  GOVERNMENT  SECURITIES -- Federal agency  securities are debt  obligations
which principally result from lending programs of the U.S.  Government.  Housing
and agriculture have traditionally  been the principal  beneficiaries of federal
credit  programs,  and agencies  involved in providing credit to agriculture and
housing account for the bulk of the outstanding agency securities.

Some U.S. Government securities, such as Treasury bills and bonds, are supported
by the full faith and credit of the U.S.  Treasury;  others are supported by the
right of the issuer to borrow from the  Treasury;  others,  such as those of the
Federal  National  Mortgage  Association,  are  supported  by the  discretionary
authority of the U.S.  Government  to purchase the agency's  obligations;  still
others such as those of the Student Loan  Marketing  Association,  are supported
only by the credit of the instrumentality.

U.S.  Treasury  bills are issued with  maturities  of any period up to one year.
Three-month  bills are currently  offered by the Treasury on a 13-week cycle and
are auctioned  each week by the  Treasury.  Bills are issued in bearer form only
and are sold only on a discount basis,  and the difference  between the purchase
price  and the  maturity  value  (or the  resale  price if they are sold  before
maturity) constitutes the interest income for the investor.

CERTIFICATES  OF DEPOSIT -- A  certificate  of deposit is a  negotiable  receipt
issued by a bank or savings and loan  association in exchange for the deposit of
funds. The issuer agrees to pay the amount deposited plus interest to the bearer
of the receipt on the date specified on the certificate.

COMMERCIAL  PAPER  --  Commercial  paper  is  generally   defined  as  unsecured
short-term  notes  issued in bearer form by large  well-known  corporations  and
finance companies.  Maturities on commercial paper range from a few days to nine
months. Commercial paper is also sold on a discount basis.

BANKER'S ACCEPTANCES -- A banker's acceptance generally arises from a short-term
credit  arrangement  designed to enable  businesses  to obtain  funds to finance
commercial  transactions.  Generally,  an  acceptance is a time draft drawn on a
bank by an exporter or an importer to obtain a stated amount of funds to pay for
specific  merchandise.  The draft is then  "accepted" by a bank that, in effect,
unconditionally  guarantees  to pay the  face  value  of the  instrument  on its
maturity date.

DESCRIPTION OF COMMERCIAL PAPER RATINGS

A Prime  rating is the  highest  commercial  paper  rating  assigned  by Moody's
Investors Service, Inc. ("Moody's"). Issuers rated Prime are further referred to
by use of numbers 1, 2 and 3 to denote  relative  strength  within this  highest
classification. Among the factors considered by Moody's in assigning ratings are
the  following:  (1)  evaluation of the  management of the issuer;  (2) economic
evaluation  of  the  issuer's   industry  or  industries  and  an  appraisal  of
speculative type risks which may be inherent in certain areas; (3) evaluation of
the issuer's  products in relation to competition and customer  acceptance;  (4)
liquidity;  (5) amount and quality of long-term debt; (6) trend of earnings over
a period of ten  years;  (7)  financial  strength  of a parent  company  and the
relationships  which exist with the issuer; and (8) recognition by management of
obligations  which may be  present  or may arise as a result of public  interest
questions and preparations to meet such obligations.

Commercial  paper  rated "A" by  Standard & Poor's  Corporation  ("S&P") has the
highest  rating and is  regarded  as having  the  greatest  capacity  for timely
payment.  Commercial  paper rated A-1 by S&P has the following  characteristics:
(1)  liquidity  ratios are  adequate to meet cash  requirements;  (2)  long-term
senior  debt is rated "A" or  better;  (3) the issuer has access to at least two
additional  channels  of  borrowing;  (4) basic  earnings  and cash flow have an
upward trend with allowance made for unusual circumstances;  (5) typically,  the
issuer's  industry  is well  established  and the issuer  has a strong  position
within the  industry;  and (6) the  reliability  and quality of  management  are
unquestioned.  Relative  strength  or weakness  of the above  factors  determine
whether the issuer's commercial paper is rated A-1, A-2 or A-3.

DESCRIPTION OF CORPORATE BOND RATINGS

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

Aa. Bonds which 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 in Aaa securities.

A. Bonds which are rated A possess many favorable investment  attributes and are
to be considered as upper medium grade  obligations.  Factors giving security to
principal  and interest  are  considered  adequate,  but elements may be present
which suggest a susceptibility to impairment sometime in the future.

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

Ba.  Bonds  which are 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  which are rated B  generally  lack  characteristics  of the  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  which are 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 which are rated Ca represent  obligations  which are  speculative in a
high degree. Such issues are often in default or have other market shortcomings.

C. Bonds which are rated C are the lowest  rated  class of bonds,  and issues so
rated can be regarded as having  extremely  poor prospects of ever attaining any
real investment standing.

NOTE:  Moody's  applies  numerical  modifiers 1, 2 and 3 in each generic  rating
classification  from Aa through B. The  modifier 1 indicates  that the  security
ranks in the higher end of its generic rating category. The modifier 2 indicates
a mid-range ranking,  and modifier 3 indicates that the issue ranks in the lower
end of its generic rating category.

STANDARD & POOR'S  CORPORATION  -- AAA.  Bonds rated AAA have the highest rating
assigned by Standard & Poor's to a debt obligation. Capacity to pay interest and
repay principal is extremely strong.

AA.  Bonds  rated AA have a very  strong  capacity  to pay  interest  and  repay
principal and differ from the highest rated issues only in small degree.

A. Bonds rated A have a strong  capacity  to pay  interest  and repay  principal
although they are somewhat more susceptible to the adverse effects of changes in
circumstances and economic conditions than bonds in higher rated categories.

BBB. Bonds rated BBB are regarded as having an adequate capacity to pay interest
and  repay  principal.   Whereas  they  normally  exhibit  adequate   protection
parameters,  adverse  economic  conditions  or changing  circumstances  are more
likely to lead to a weakened  capacity to pay interest and repay  principal  for
bonds in this category than for bonds in higher rated categories.

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  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.

C. The rating C is reserved for income bonds in which no interest is being paid.

D. Debt rated D is in  default  and  payment of  interest  and/or  repayment  of
principal is in arrears.

NOTE:  Standard & Poor's  ratings from AA to CCC may be modified by the addition
of a plus or minus sign to show relative standing within the major categories.
<PAGE>
                                   APPENDIX B
- --------------------------------------------------------------------------------

DESCRIPTION OF MUNICIPAL BOND RATINGS

The following  are  summaries of the ratings used by Moody's,  Standard & Poor's
and Fitch's applicable to permitted investments of Municipal Bond Fund:

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

Aa.  Municipal  bonds which 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 in Aaa securities.

A.  Municipal  bonds  which  are  rated  A  possess  many  favorable  investment
attributes and are to be considered as upper medium grade  obligations.  Factors
giving security to principal and interest are considered adequate,  but elements
may be present which  suggest a  susceptibility  to  impairment  sometime in the
future.

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

NOTE:  Moody's  applies  numerical  modifiers 1, 2 and 3 in each generic  rating
classification  from  Aa  through  B in its  corporate  bond  ratings.  Although
Industrial Revenue Bonds and Environmental  Control Revenue Bonds are tax-exempt
issues,  they are included in the corporate bond rating  system.  The modifier 1
indicates  that the  security  ranks in the  higher  end of its  generic  rating
category. The modifier 2 indicates a mid-range ranking, and modifier 3 indicates
that the issue ranks in the lower end of its generic  rating  category.  Moody's
does not apply numerical  modifiers other than Aa1, A1 and Baa1 in its municipal
bond rating system,  which offer the maximum  security  within the Aa, A and Baa
groups, respectively.

STANDARD & POOR'S  CORPORATION**  -- AAA.  Municipal bonds rated AAA are highest
grade  obligations.  They  possess  the  ultimate  degree  of  protection  as to
principal and interest.

AA. Municipal bonds rated AA also qualify as high grade obligations,  and in the
majority of instances differ from AAA issues only in small degree.

A.  Municipal  bonds  rated A are  regarded  as upper  medium  grade.  They have
considerable  investment strength but are not entirely free from adverse effects
of changes in economic and trade conditions. Interest and principal are regarded
as safe.

BBB.  Bonds  rated  BBB are  regarded  as  having an  adequate  capacity  to pay
principal  and  interest.  Whereas they  normally  exhibit  adequate  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.

NOTE:  Standard & Poor's  ratings from AA to CCC may be modified by the addition
of a plus or minus sign to show relative standing within the major categories.

FITCH INVESTORS SERVICE, INC.-- AAA. Bonds considered to be investment grade and
of the highest credit quality.  The obligor has an exceptionally  strong ability
to pay  interest  and repay  principal,  which is  unlikely  to be  affected  by
reasonably foreseeable events.

AA. Bonds considered to be investment grade and of very high credit quality. The
obligor's  ability to pay interest and repay principal is very strong,  although
not quite as strong as bonds rated "AAA."  Because  bonds rated in the "AAA" and
"AA"  categories  are  not  significantly   vulnerable  to  foreseeable   future
developments, short-term debt of these issuers is generally rated "F-1+".

A. Bonds  considered  to be  investment  grade and of high credit  quality.  The
obligor's  ability to pay  interest  and repay  principal  is  considered  to be
strong, but may be more vulnerable to adverse changes in economic conditions and
circumstances than bonds with higher ratings.

BBB. Bonds considered to be investment grade and of satisfactory credit quality.
The  obligor's  ability to pay interest and repay  principal is considered to be
adequate. Adverse changes in economic conditions and circumstances, however, are
more likely to have adverse impact on these bonds,  and therefore  impair timely
payment.  The  likelihood  that the  ratings  of these  bonds  will  fall  below
investment grade is higher than for bonds with higher ratings.

NOTE:  Plus and  minus  signs  are used with a rating  symbol  to  indicate  the
relative position of a credit within the rating category.  Plus and minus signs,
however, are not used in the "AAA" category.

RATINGS OF SHORT-TERM SECURITIES

MOODY'S INVESTORS SERVICE -- The following ratings apply to short-term municipal
notes and loans:

MIG 1. Loans bearing this  designation are of the best quality,  enjoying strong
protection from  established  cash flows for their servicing or from established
and broadbased access to the market for refinancing, or both.

MIG 2. Loans  bearing  this  designation  are of high  quality  with  margins of
protection ample although not so large as in the preceding group.

The following ratings apply to both commercial paper and municipal paper:

PRIME-1. Issuers receiving this rating have a superior capacity for repayment of
short-term promissory obligations.

PRIME-2.  Issuers  receiving this rating have a strong capacity for repayment of
short-term promissory obligations.

STANDARD & POOR'S  CORPORATION  -- The  following  ratings  apply to  short-term
municipal notes:

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

AA.  Notes  rated AA have a very  strong  capacity  to repay  principal  and pay
interest and differ from AAA issues only in small degree.

The following ratings apply both to commercial paper and municipal paper:

A-1.  This  designation  indicates  that the degree of safety  regarding  timely
payment is very strong.

A-2.  Capacity  for timely  payment on issues with this  designation  is strong.
However,  the  relative  degree of safety is not as  overwhelming  as for issues
designated A-1.

FITCH INVESTORS SERVICE -- The following ratings apply to commercial paper:

F-1+.  Exceptionally  strong  credit  quality.  Issues  assigned this rating are
regarded as having the strongest degree of assurance for timely payment.

F-1.  Very  strong  credit  quality.  Issues  assigned  this  rating  reflect an
assurance  of timely  payment  only  slightly  less in degree than issues  rated
"F-1+".

F-2.  Issues  assigned this rating have a  satisfactory  degree of assurance for
timely  payment but the margin of safety is not as great as for issues  assigned
"F-1+" or "F-1".

 *Moody's Investors Service,  Inc. rates bonds of issuers which have $600,000 or
  more of  debt,  except  bonds  of  educational  institutions,  projects  under
  construction,  enterprises without established earnings records and situations
  where current financial data is unavailable.

**Standard & Poor's Corporation rates all governmental  bodies having $1,000,000
  or more of debt outstanding unless adequate information is not available.
<PAGE>
                                   APPENDIX C
- --------------------------------------------------------------------------------

REDUCED SALES CHARGES

CLASS A SHARES -- Initial sales charges may be reduced or eliminated for persons
or  organizations  purchasing  Class A shares  of the  Corporate  Bond,  Limited
Maturity Bond,  Diversified Income, High Yield and Municipal Bond Funds alone or
in combination with Class A shares of certain other Security Funds.

For purposes of qualifying  for reduced sales charges on purchases made pursuant
to Rights of  Accumulation  or a Statement of Intention  (also  referred to as a
"Letter of Intent"),  the term "Purchaser"  includes the following  persons:  an
individual; an individual, his or her spouse and children under the age of 21; a
trustee or other fiduciary of a single trust estate or single fiduciary  account
established for their benefit;  an  organization  exempt from federal income tax
under  Section  501(c)(3) or (13) of the Internal  Revenue  Code;  or a pension,
profit-sharing  or other  employee  benefit plan whether or not qualified  under
Section 401 of the Internal Revenue Code.

RIGHTS OF ACCUMULATION -- To reduce sales charges on purchases of Class A shares
of Corporate Bond,  Limited  Maturity Bond,  Diversified  Income,  High Yield or
Municipal Bond Fund, a Purchaser may combine all previous  purchases of the Fund
with a contemplated  current  purchase and receive the reduced  applicable front
end sales charge. The Distributor must be notified when a sale takes place which
might qualify for the reduced charge on the basis of previous purchases.


Rights of accumulation also apply to purchases representing a combination of the
Class A shares of Corporate Bond,  Limited  Maturity Bond,  Diversified  Income,
High Yield,  Municipal Bond, Growth and Income,  Equity,  Global,  Total Return,
Social  Awareness,  Mid Cap Value or Ultra Fund in those  states where shares of
the Fund being purchased are qualified for sale.

STATEMENT OF INTENTION -- A Purchaser of Corporate Bond,  Limited Maturity Bond,
Diversified  Income,  High  Yield or  Municipal  Bond Fund may  choose to sign a
Statement  of Intention  within 90 days after the first  purchase to be included
thereunder,  which will cover future purchases of Class A shares of those Funds,
Security Equity,  Global, Total Return, Social Awareness,  Mid Cap Value, Growth
and  Income  or Ultra  Fund.  The  amount  of these  future  purchases  shall be
specified  and must be made  within a 13-month  period (or  36-month  period for
purchases of $1 million or more) to become  eligible  for the reduced  front-end
sales charge applicable to the actual amount purchased under the statement. Five
percent (5%) of the amount  specified in the Statement of Intention will be held
in escrow  shares until the Statement is completed or  terminated.  These shares
may be redeemed by the Fund if the Purchaser is required to pay additional sales
charges.  Any dividends  paid by the Fund will be payable with respect to escrow
shares.  The  Purchaser  bears the risk that the escrow  shares may  decrease in
value.


A Statement of Intention may be revised  during the 13-month (or, if applicable,
36-month)  period.  Additional  shares  received  from  reinvestment  of  income
dividends and capital gains  distributions are included in the total amount used
to determine reduced sales charges.


REINSTATEMENT  PRIVILEGE  --  Stockholders  who redeem  their  Class A shares of
Corporate  Bond,  Limited  Maturity  Bond,  Diversified  Income,  High  Yield or
Municipal Bond Fund have a one-time privilege (1) to reinstate their accounts by
purchasing  shares  without  a  sales  charge  up to the  dollar  amount  of the
redemption  proceeds;  or (2) to the extent the redeemed  shares would have been
eligible for the exchange privilege, to purchase shares of another of the Funds,
Security Growth and Income, Equity, Global, Total Return, or Ultra Fund, without
a sales charge up to the dollar amount of the redemption  proceeds.  To exercise
this privilege,  a stockholder  must provide written notice and the amount to be
reinvested to the Fund within 30 days after the redemption request.


The  reinstatement  or  exchange  will  be  made at the  net  asset  value  next
determined after the reinvestment is received by the Fund.
<PAGE>
                         SECURITY CASH FUND APPLICATION

For  IRA/KEOGH/Corporate  Plans, complete this Application along with other plan
documents.
MAIL APPLICATION TO: Security Cash Fund, P.O. Box 2548, Topeka, KS 66601
- --------------------------------------------------------------------------------
INITIAL  INVESTMENT      [_] Enclosed is my check for $________  made payable to
(CHECK ONE BOX)              Security Cash Fund.
                         [_] On _______ I/we wired $_______ through ____________
MINIMUM                          Date                               Name of Bank
$100
                         _____________________for Fund account number __________
                          City        State

SUBSEQUENT               When investing by wire, call the Fund to  advise of the
INVESTMENTS              investment. The Fund  will supply a control  number for
OF $20 CAN BE            for initial investment and instructions for having your
MADE AT ANY              bank wire Federal funds.
TIME
                                    Attn:_______________________________________
                                    (Include investor's name and account number)
- --------------------------------------------------------------------------------
DIVIDENDS                [_] Reinvest  automatically  all  daily  dividends  and
(CHECK ONE BOX)              other distributions.
                         [_] Cash payment of  all dividends each  month and send
                             proceeds to investor.
- --------------------------------------------------------------------------------
CHECKING                 [_] Please send a supply of  checks permitting me/us to
ACCOUNT                      redeem shares in this  account  by  writing  checks
PRIVILEGE                    for  $100  or  more made  payable  to  any  person.
                             COMPLETE  SIGNATURE  CARD  ON REVERSE  SIDE.  Allow
                             three weeks for delivery of check supply.
- --------------------------------------------------------------------------------
SPECIAL OPTIONS          [_] Telephone Exchange
(CHECK APPLICABLE        [_] Telephone Redemption
BOXES)
                             By checking the  applicable  boxes and signing this
                             Application,  Applicant  authorizes  the Investment
                             Manager  to honor  any  telephone  request  for the
                             exchange and/or  redemption of Fund shares (maximum
                             telephone  redemption  is $10,000),  subject to the
                             terms  of the  Fund's  prospectus.  The  Investment
                             Manager has  established  reasonable  procedures to
                             confirm that instructions communicated by telephone
                             are genuine and may be liable for any losses due to
                             fraudulent or unauthorized instructions if it fails
                             to  comply  with  its  procedures.  The  procedures
                             require  that any  person  requesting  a  telephone
                             redemption   or   exchange   provide   the  account
                             registration    and   number   and    owner's   tax
                             identification  number  and  such  request  must be
                             received on a recorded line.
                             ---------------------------------------------------

                         THE  AUTHORIZATION  ON  REVERSE  SIDE FOR  CORPORATION,
                         PARTNERSHIP,   TRUST,   ETC.,  MUST  BE  COMPLETED  AND
                         RETURNED WITH THIS FORM.

                         [_] Systematic  Withdrawal  Program  (Minimum   account
                             $5,000)

                             Beginning _______, 19___, you are hereby authorized
                             and instructed to send a check for $_______________
                             (minimum $25) drawn on  approximately  [_] 11th day
                             [_] 26th day of the month.
                             Draw payment [_] monthly  [_] quarterly
                             [_] semiannually   [_] annually
- --------------------------------------------------------------------------------
                         [_] Individual ________________________________________
                         [_] Corporate  First           Middle             Last
                         [_] Non-Profit
                         [_] Profit-    ________________________________________
                             Sharing    First           Middle             Last
                                        ________________________________________
                                        Owner's  Taxpayer  Identification No. or
                                        Social Security No.

ACCOUNT                                 ________________________________________
REGISTRATION                            Name of Corporation, Trust, Partnership,
(PLEASE PRINT)                          etc.

                                        ________________________________________
                                        Street Address

                                        ________________________________________
                                        City            State              Zip

                                        Industry Type __________________________
                                                    (Farming, Mfg., Sales, etc.)

                                        Telephone Business (  ) ________________
                                        Home               (  ) ________________

                         If  address  is  outside  U.S.  please indicate if U.S.
                         Citizen   [_] Yes      [_] No
- --------------------------------------------------------------------------------
                         TAXPAYER   IDENTIFICATION   CERTIFICATION:   Under  the
                         penalties  of perjury,  I (1)  certify  that the number
                         provided   on  this   form  is  my   correct   taxpayer
                         identification  number and (2),  *that I am not subject
                         to backup  withholding  either  because I have not been
                         notified that I am subject to backup  withholding  as a
TAX                      result  of  a  failure  to  report  all   interest   or
WITHHOLDING              dividends, or the Internal Revenue Service has notified
                         me that I am no longer subject to backup withholding.

                         * The owner  must  strike out the  language  certifying
                         that they are not subject to backup  withholding due to
                         notified underreporting IF THE INTERNAL REVENUE SERVICE
                         NOTIFIED   THEM  THAT  THEY  ARE   SUBJECT   TO  BACKUP
                         WITHHOLDING, and they have not received notice from the
                         service   advising   that   backup    withholding   has
                         terminated.
- --------------------------------------------------------------------------------
                         The  Internal  Revenue  Service  does not require  your
                         consent to any  provision of this  document  other than
                         the certifications to avoid backup withholding.

SIGNATURE(S)             _______________________________________________________
OF APPLICANTS
                         OWNER _________________________________________________

                         _______________________________________________________
INVESTMENT               CORPORATE OFFICER, TRUSTEE, ETC.
DEALER
                         DATE __________________________________________________

                         NAME OF FIRM __________________________________________

                         STREET ADDRESS ________________________________________

                         _______________________________________________________
                         CITY                    STATE                     ZIP

                         JOINT OWNER ___________________________________________

                         _______________________________________________________
                         TITLE
                         IN CASE OF JOINT OWNERSHIP,  BOTH MUST SIGN. IF NO FORM
                         OF  OWNERSHIP IS  DESIGNATED,  THEN  IT WILL BE ASSUMED
                         THE  OWNERSHIP  IS "AS  JOINT  TENANTS,  WITH  RIGHT OF
                         SURVIVORSHIP, AND NOT AS TENANTS IN COMMON."
                         _______________________________________________________
                         DEALER AUTHORIZED

                         _______________________________________________________
                         ACCOUNT REPRESENTATIVE
- --------------------------------------------------------------------------------
<PAGE>
Checking Account Privilege - If you have elected this option, the following card
must be completed. This card is similar to one which must be signed when opening
any checking  account.  All joint owners named in the account  registration must
sign this card.  Names  must be signed  exactly  as they  appear in the  account
registration.  All  persons  eligible  to sign  checks for  corporate  accounts,
partnerships, trusts, etc. must sign this card.

The payment of funds on the  conditions  set forth below and on the reverse side
is authorized by the  signature(s)  appearing on the  signature  card.  Security
Management Company, LLC, the Fund's Transfer Agent, is hereby appointed agent by
the  person(s)  signing this card and will cause the Fund to redeem a sufficient
number of shares from the account to cover checks  presented for payment without
requiring signature  guarantees.  The Fund and its agents will not be liable for
any loss,  expense or cost arising out of check  redemptions or checks  returned
without  payment.  SHARES  OUTSTANDING IN THE ACCOUNT FOR LESS THAN 15 DAYS WILL
NOT BE LIQUIDATED TO PAY CHECKS  PRESENTED  UNLESS THE TRANSFER AGENT IS ASSURED
THAT GOOD  PAYMENT HAS BEEN  COLLECTED  THROUGH  NORMAL  BANKING  CHANNELS.  The
Transfer  Agent has the right not to honor checks that are for less than $100 or
checks in an amount  exceeding the value of the account at the time the check is
presented  for  payment.  This  privilege  is subject to the  provisions  of the
current  prospectus of the Fund as amended from time to time. This agreement may
be modified or  terminated  at any time by the Fund or the  Transfer  Agent upon
notification mailed to the shareholder's address of record.

SECURITY CASH FUND SIGNATURE CARD

        ________________________________________________________________________
        Account Number

Authorized Signatures:
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________

[_] Check here if two signatures are required on checks.
[_] Check here if only one signature required on checks.

In signing this card each signatory  agrees to be subject to the customary rules
and regulations  governing  checking accounts and to the conditions set forth on
the reverse side. If the Checking  Account  Privilege is  established  after the
opening of the account,  or if any change is made in the above information,  all
signatures will have to be guaranteed.
- --------------------------------------------------------------------------------
              RESOLUTION AUTHORIZING INDIVIDUALS TO MANAGE ACCOUNT

CORPORATE RESOLUTION

I,    ______________________,    duly   elected   and   acting    Secretary   of
______________________,  a corporation  organized and existing under the laws of
______________________,  certify  that the  following  resolution  is a true and
correct copy of the resolution  adopted by the Board of Directors at its regular
meeting held on  ______________________,  which  resolution is currently in full
force  and  effect:  RESOLVED,  That  the  below  named  individual(s)  of  this
corporation  are  hereby  authorized  to  give  notice,  instructions,  complete
necessary  forms,  execute  withdrawals,  and to  transact  any  other  business
necessary  on this  corporation's  account  invested in shares of Security  Cash
Fund. FURTHER RESOLVED, That this corporation assumes entire responsibility for,
and agrees to indemnify and hold  harmless  Security Cash Fund and/or its agents
against any and all claims,  liabilities,  damages, actions, charges and expense
sustained by action of the below named individual(s).

______________________________        __________________________________________
(PRINT OR TYPE) NAME AND TITLE        SIGNATURE(S)
______________________________        __________________________________________
- --------------------------------------------------------------------------------

IN WITNESS WHEREOF, I hereunto set my hand and the seal of this corporation this
_____________ day of __________________, 19_____.

(CORPORATE SEAL)                   SECRETARY____________________________________
- --------------------------------------------------------------------------------
AUTHORIZATION FOR PARTNERSHIP, TRUST, OR RETIREMENT PLAN

We,  the  undersigned,  being the  principal  partners  or the  trustees  of the
______________________  (Partnership  or  Trust/Plan)  hereby  state that we are
authorized  to invest the assets of the  partnership  or  trust/plan in Security
Cash Fund. We also agree that  ______________________  or ______________________
have individual authority to purchase, sell, assign, and transfer securities and
to sign checks issuable by the partnership or the trust/plan redeeming shares of
the Fund. We further state that this  individual  authority shall continue to be
honored until revoked by written notice from either of us and is received by the
Transfer   Agent   (Security   Management   Company,   LLC).   By  signing  this
authorization,  we agree that Security Cash Fund,  Security  Management Company,
LLC, and Security  Distributors,  Inc.,  shall be indemnified  and held harmless
from any loss,  damage,  cost or claim  that may arise  from any  authorized  or
unauthorized  use of the assets or checks of the  partnership  or  trust/plan in
connection with the holdings of the Fund.

______________________________        __________________________________________
(PRINT OR TYPE) NAME AND TITLE        SIGNATURE(S)
- --------------------------------------------------------------------------------
                                      SIGNATURE GUARANTEED BY

________________________________________________________________________________
<PAGE>
FOR MORE INFORMATION

- --------------------------------------------------------------------------------
BY TELEPHONE-- Call 1-800-888-2461.

BY MAIL-- Write to:
Security Management Company, LLC
700 SW Harrison
Topeka, KS 66636-0001

ON THE INTERNET -- Reports and other  information  about the Funds can be viewed
online or downloaded from:


SEC:  On the EDGAR Database at http://www.sec.gov


SMC, LLC:  http://www.securitybenefit.com


Additional  information  about the Funds  (including the Statement of Additional
Information)  can  be  reviewed  and  copied  at  the  Securities  and  Exchange
Commission's  Public  Reference Room in Washington,  DC.  Information  about the
operation of the Public Reference Room may be obtained by calling the Commission
at 1-202-942-8090. Copies may be obtained, upon payment of a duplicating fee, by
electronic  request at the following e-mail address:  [email protected],  or by
writing  the  Public  Reference  Section  of  the  Commission,   Washington,  DC
20549-0102.

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

ANNUAL/SEMI-ANNUAL REPORT -- Additional information about the Funds' investments
is available in the Funds' annual and semi-annual  reports to  shareholders.  In
the Funds' annual  report,  you will find a discussion of the market  conditions
and investment  strategies that  significantly  affected each Fund's performance
during its last fiscal year.

STATEMENT  OF  ADDITIONAL  INFORMATION  -- The Funds'  Statement  of  Additional
Information and the Funds' annual or semi-annual reports are available,  without
charge  upon  request  by  calling  the  Funds'   toll-free   telephone   number
1-800-888-2461,  extension 3127.  Shareholder  inquiries  should be addressed to
SMC, LLC, 700 SW Harrison Street,  Topeka, Kansas 66636-0001,  or by calling the
Funds'  toll-free  telephone  number  listed  above.  The  Funds'  Statement  of
Additional Information is incorporated into this prospectus by reference.

Each Fund's Investment Company Act file number is listed below:

            Security Income Fund........................... 811-2120
            Security Municipal Bond Fund................... 811-3225
            Security Cash Fund............................. 811-3073
<PAGE>
SECURITY INCOME FUND

  *  CORPORATE BOND SERIES

  *  LIMITED MATURITY BOND SERIES

  *  DIVERSIFIED INCOME SERIES
     (formerly U.S. Government Series)

  *  HIGH YIELD SERIES

SECURITY MUNICIPAL BOND FUND
(formerly Security Tax-Exempt Fund)

SECURITY CASH FUND

Members of The Security Benefit Group of Companies
700 SW Harrison, Topeka, Kansas 66636-0001
(785) 431-3127
(800) 888-2461


This Statement of Additional Information is not a Prospectus.  It should be read
in conjunction  with the Prospectus dated May 1, 2000, as it may be supplemented
from  time  to  time.  A  Prospectus   may  be  obtained  by  writing   Security
Distributors,  Inc., 700 SW Harrison,  Topeka, Kansas 66636-0001,  or by calling
(785) 431-3127 or (800) 888-2461, ext. 3127. The Fund's December 31, 1999 Annual
Report is incorporated herein by reference.

STATEMENT  OF  ADDITIONAL   INFORMATION   MAY  1,  2000
RELATING TO THE  PROSPECTUS  DATED May 1, 2000, as it may be  supplemented  from
time to time

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INVESTMENT MANAGER
Security Management Company, LLC
700 SW Harrison Street
Topeka, Kansas 66636-0001

DISTRIBUTOR
Security Distributors, Inc.
700 SW Harrison Street
Topeka, Kansas 66636-0001

CUSTODIAN
UMB Bank, N.A.
928 Grand Avenue
Kansas City, Missouri 64106

INDEPENDENT AUDITORS

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<PAGE>
                                TABLE OF CONTENTS
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GENERAL INFORMATION.........................................................   3
INVESTMENT OBJECTIVES AND POLICIES OF THE FUNDS.............................   4
   Security Income Fund.....................................................   4
   Security Municipal Bond Fund.............................................  10
   Security Cash Fund.......................................................  14
INVESTMENT METHODS AND RISK FACTORS.........................................  16
   General Risk Factors.....................................................  16
   Repurchase Agreements, Reverse Repurchase Agreements
     and Roll Transactions..................................................  16
   Borrowing................................................................  16
   Lending of Portfolio Securities..........................................  17
   Guaranteed Investment Contracts ("GICs").................................  17
   Restricted Securities (Rule 144A Securities).............................  17
   Risks Associated With Lower-Rated Debt Securities (Junk Bonds)...........  18
   Convertible Securities and Warrants......................................  19
   Mortgage Backed Securities and Collateralized Mortgage Obligations.......  19
   Asset Backed Securities..................................................  20
   Real Estate Securities...................................................  20
   When Issued and Forward Commitment Securities............................  21
   Options and Futures Strategies...........................................  21
   Interest Rate Swaps......................................................  25
   Emerging Countries.......................................................  26
   Foreign Investment Restrictions..........................................  26
   Political and Economic Risks.............................................  26
   Religious and Ethnic Instability.........................................  26
   Non-Uniform Corporate Disclosure Standards and Governmental Regulation...  26
   Adverse Market Characteristics...........................................  27
   Non-U.S. Withholding Taxes...............................................  27
   Costs....................................................................  27
   Eastern Europe...........................................................  27
   American Depositary Receipts (ADRs)......................................  27
INVESTMENT POLICY LIMITATIONS...............................................  27
   Fundamental Policies.....................................................  27
   Operating Policies.......................................................  28
OFFICERS AND DIRECTORS......................................................  29
REMUNERATION OF DIRECTORS AND OTHERS........................................  30
PRINCIPAL HOLDERS OF SECURITIES.............................................  31
HOW TO PURCHASE SHARES......................................................  31
   Corporate Bond, Limited Maturity Bond, Diversified Income, High Yield
     and Municipal Bond Funds...............................................  31
   Alternative Purchase Options.............................................  32
   Class A Shares...........................................................  32
   Security Income and Municipal Bond Funds' Class A Distribution Plans.....  32
   Class B Shares...........................................................  33
   Class B Distribution Plan................................................  34

   Class C Shares...........................................................  34
   Class C Distribution Plan................................................  34

   Calculation and Waiver of Contingent Deferred Sales Charges..............  35
   Arrangements With Broker/Dealers and Others..............................  35
   Cash Fund................................................................  36
PURCHASES AT NET ASSET VALUE................................................  37
ACCUMULATION PLAN...........................................................  37
SYSTEMATIC WITHDRAWAL PROGRAM...............................................  37
INVESTMENT MANAGEMENT.......................................................  38
   Portfolio Management.....................................................  40
   Code of Ethics...........................................................  41
DISTRIBUTOR.................................................................  41
ALLOCATION OF PORTFOLIO BROKERAGE...........................................  42
DETERMINATION OF NET ASSET VALUE............................................  43
HOW TO REDEEM SHARES........................................................  44
   Telephone Redemptions....................................................  45
HOW TO EXCHANGE SHARES......................................................  46
   Exchange by Telephone....................................................  47
DIVIDENDS AND TAXES.........................................................  47
   Options, Futures and Forward Contracts and Swap Agreements...............  50
   Market Discount..........................................................  51
   Original Issue Discount..................................................  51
   Constructive Sales.......................................................  51
   Foreign Taxation.........................................................  51
   Other Taxes..............................................................  52
ORGANIZATION................................................................  52
CUSTODIAN, TRANSFER AGENT AND DIVIDEND-PAYING AGENT.........................  52
INDEPENDENT AUDITORS........................................................  52
PERFORMANCE INFORMATION.....................................................  52
RETIREMENT PLANS............................................................  54
INDIVIDUAL RETIREMENT ACCOUNTS (IRAS).......................................  55
ROTH IRAS...................................................................  55
EDUCATION IRAS..............................................................  56
SIMPLE IRAS.................................................................  56
PENSION AND PROFIT-SHARING PLANS............................................  56
403(B) RETIREMENT PLANS.....................................................  56
SIMPLIFIED EMPLOYEE PENSION PLANS (SEPPS)...................................  56
FINANCIAL STATEMENTS........................................................  57
TAX-EXEMPT VS. TAXABLE INCOME...............................................  57
APPENDIX A..................................................................  58
<PAGE>
GENERAL INFORMATION

Security Income Fund, Security Municipal Bond Fund (formerly Security Tax-Exempt
Fund) and Security Cash Fund,  which were  organized as Kansas  corporations  on
April 20, 1965, July 14, 1981 and March 21, 1980,  respectively,  are registered
with the Securities and Exchange Commission as investment companies. The name of
Security  Municipal Bond Fund (formerly  Security  Tax-Exempt  Fund) was changed
effective May 1, 1998.  Such  registration  does not involve  supervision by the
Securities  and Exchange  Commission of the management or policies of the Funds.
The Funds are diversified,  open-end management  investment companies that, upon
the demand of the  investor,  must redeem  their shares and pay the investor the
current net asset value thereof. (See "How to Redeem Shares," page 46.)

Each of the Corporate Bond Series ("Corporate Bond Fund"), Limited Maturity Bond
Series ("Limited Maturity Bond Fund"),  Diversified Income Series  ("Diversified
Income Fund")  (formerly  U.S.  Government  Series) and High Yield Series ("High
Yield Fund") of Security Income Fund,  Security  Municipal Bond Fund ("Municipal
Bond Fund"),  and  Security  Cash Fund ("Cash  Fund") (the  "Funds") has its own
investment  objective  and  policies  which are  described  below.  The Board of
Directors of Security Income Fund changed the investment policies of Diversified
Income Series and the Series' name from U.S.  Government  Series to  Diversified
Income  Series to reflect the Series' new policies  effective  February 7, 2000.
While  there is no present  intention  to do so, the  investment  objective  and
policies of each Fund,  unless  otherwise  noted, may be changed by its Board of
Directors  without  the  approval  of  stockholders.  Each of the  Funds is also
required to operate within  limitations  imposed by its  fundamental  investment
policies  which  may  not  be  changed  without  stockholder   approval.   These
limitations are set forth below under "Investment Policy  Limitations," page 27.
An  investment  in one of the Funds does not  constitute  a complete  investment
program.

The value of the shares of each Fund  fluctuates with the value of the portfolio
securities.  Each  Fund may  realize  losses  or gains  when it sells  portfolio
securities  and will earn  income to the extent that it  receives  dividends  or
interest from its investments. (See "Dividends and Taxes," page 49.)


The shares of Diversified Income Fund and High Yield Fund are sold to the public
at net  asset  value,  plus a sales  commission  which is  divided  between  the
principal  distributor and dealers who sell the shares ("Class A shares"), or at
net asset value with a contingent  deferred  sales  charge  ("Class B shares" or
"Class C shares"). The shares of Corporate Bond Fund, Limited Maturity Bond Fund
and Municipal Bond Fund are sold to the public at net asset value,  plus a sales
commission  which is divided  between the principal  distributor and dealers who
sell the shares  ("Class A  shares"),  or at net asset  value with a  contingent
deferred  sales charge  ("Class B shares").  The shares of Cash Fund are sold to
the public at net asset value.  There is no sales charge or load when purchasing
shares of Cash Fund. (See "How to Purchase Shares," page 32.)


The Funds receive investment advisory, administrative,  accounting, and transfer
agency services from Security Management Company, LLC (the "Investment Manager")
for a fee. The Investment  Manager has agreed that the aggregate annual expenses
(including  the management  compensation  but excluding  brokerage  commissions,
interest, taxes, extraordinary expenses and Class B distribution fees) shall not
for Corporate Bond,  Limited  Maturity Bond,  Diversified  Income and High Yield
Funds exceed any expense  limitation imposed by any state and shall not for Cash
Fund  exceed  1% of the  average  net  assets  of the  Fund  for the  year.  The
Investment Manager has also agreed that the aggregate annual expenses (including
the  management  compensation  but  excluding  interest,  taxes,   extraordinary
expenses and Class A and Class B distribution fees) shall not for Municipal Bond
Fund exceed 1% of the average net assets of the Fund for the year.  (See page 39
for  a  discussion  of  the  Investment  Manager  and  the  Investment  Advisory
Contract.)

Each Fund will pay all of its expenses not assumed by the Investment  Manager or
Security Distributors, Inc. (the "Distributor") including organization expenses;
directors'  fees;  fees of  custodian;  taxes and  governmental  fees;  interest
charges; any membership dues; brokerage  commissions;  expenses of preparing and
distributing  reports to stockholders;  costs of stockholder and other meetings;
and legal,  auditing and  accounting  expenses.  Each Fund will also pay for the
preparation  and  distribution  of the  prospectus to its  stockholders  and all
expenses in connection with its registration under the Investment Company Act of
1940  and  the  registration  of its  capital  stock  under  federal  and  state
securities  laws.  Each  Fund  will  pay  nonrecurring  expenses  as may  arise,
including litigation expenses affecting it.

Under Distribution Plans adopted with respect to the Class A shares of Corporate
Bond, Limited Maturity Bond,  Diversified  Income, High Yield and Municipal Bond
Funds pursuant to Rule 12b-1 under the Investment Company Act of 1940 (the "1940
Act"),  these Funds are authorized to pay to the  Distributor,  an annual fee of
 .25% of the  average  daily net  assets  of the Class A shares of the  Corporate
Bond, Limited Maturity Bond,  Diversified  Income, High Yield and Municipal Bond
Funds to finance various distribution-related  activities. (See "Security Income
and Municipal Bond Funds' Class A Distribution Plans," page 34.)


Under Distribution Plans adopted with respect to the Class B shares of Corporate
Bond, Limited Maturity Bond,  Diversified  Income, High Yield and Municipal Bond
Funds  pursuant to Rule 12b-1 under the 1940 Act, each Fund is authorized to pay
to the  Distributor,  an annual fee of 1.00% of the average  daily net assets of
the   Class   B   shares   of  the   respective   Funds   to   finance   various
distribution-related  activities. Under a Distribution Plan adopted with respect
to the Class C shares of  Diversified  Income and High Yield  Funds  pursuant to
Rule  12b-1  under  the  1940  Act,  each  Fund  is  authorized  to  pay  to the
Distributor, an annual fee of 1.00% of the average daily net assets of the Class
C  shares  of the  respective  Funds  to  finance  various  distribution-related
activities.  (See "Class B  Distribution  Plan," page 35, "Class C  Distribution
Plan, page 36.)


INVESTMENT OBJECTIVES AND POLICIES OF THE FUNDS

SECURITY  INCOME FUND -- Security  Income Fund ("Income Fund") offers its shares
in multiple Series,  each of which represents a different  investment  objective
and which has its own  identified  assets and net asset values.  The  investment
objectives of the Corporate Bond, Limited Maturity Bond,  Diversified Income and
High  Yield  Series of Income  Fund are each  described  below.  There are risks
inherent in the  ownership of any  security  and there can be no assurance  that
such  investment  objectives  will be achieved.  Some of the risks are described
below.

Short-term  obligations may be purchased in any amount as the Investment Manager
deems appropriate for defensive or liquidity purposes. Each Fund's portfolio may
include a  significant  amount of debt  securities  that sell at discounts  from
their face amount as a result of current market  conditions.  For example,  debt
securities with  fixed-rate  coupons are generally sold at a discount from their
face amount during periods of rising interest rates.

Income Fund makes no representation that the stated investment  objective of any
Series will be achieved.  Although  there is no present  intention to do so, the
investment  objective  of any  Series of the Fund may be altered by the Board of
Directors without the approval of stockholders of the Series.

CORPORATE BOND FUND.  The investment  objective of the Corporate Bond Fund is to
conserve  capital while generating  interest income.  In pursuing its investment
objective,  the Fund will invest in a broad range of debt securities,  including
(i) securities issued by U.S. and Canadian corporations;  (ii) securities issued
or   guaranteed   by  the   U.S.   Government   or  any  of  its   agencies   or
instrumentalities, including Treasury bills, certificates of indebtedness, notes
and bonds;  (iii)  securities  issued or guaranteed by the Dominion of Canada or
provinces thereof; (iv) securities issued by foreign governments, their agencies
and instrumentalities,  and foreign corporations,  provided that such securities
are denominated in U.S. dollars; (v) higher yielding,  high risk debt securities
(commonly referred to as "junk bonds"); (vi) certificates of deposit issued by a
U.S.  branch  of  a  foreign  bank  ("Yankee  CDs");   (vii)   investment  grade
mortgage-backed   securities  ("MBSs");  (viii)  investment  grade  asset-backed
securities;  and (ix) zero coupon  securities.  Under normal  circumstances,  at
least  65% of the  Fund's  total  assets  will be  invested  in  corporate  debt
securities which at the time of issuance have a maturity greater than one year.

Corporate Bond Fund will invest primarily in corporate debt securities rated Baa
or higher by Moody's  Investors  Service,  Inc.  ("Moody's") or BBB or higher by
Standard & Poor's Corporation ("S&P") at the time of purchase, or if unrated, of
equivalent  quality as determined by the Investment  Manager.  See Appendix A to
the Prospectus  for a description  of corporate  bond ratings.  Included in such
securities  may be convertible  bonds or bonds with warrants  attached which are
rated at least Baa or BBB at the time of purchase,  or if unrated, of equivalent
quality as determined by the Investment Manager. A "convertible bond" is a bond,
debenture  or  preferred  share which may be  exchanged  by the owner for common
stock or another security,  usually of the same company,  in accordance with the
terms of the issue. A "warrant" confers upon its holder the right to purchase an
amount of securities  at a particular  time and price.  Securities  rated Baa by
Moody's or BBB by S&P have speculative characteristics.  See "Investment Methods
and Risk Factors" for a discussion of the risks associated with such securities.

Corporate  Bond Fund may invest up to 25% of its net  assets in higher  yielding
debt  securities in the lower rating (higher risk)  categories of the recognized
rating services (commonly referred to as "junk bonds").  Such securities include
securities  rated Ba or lower by Moody's or BB or lower by S&P and are  regarded
as  predominantly  speculative with respect to the ability of the issuer to meet
principal  and interest  payments.  The Fund will not invest in junk bonds which
are rated in default at the time of purchase.  See "Investment  Methods and Risk
Factors"  for a  discussion  of the  risks  associated  with  investing  in such
securities.

The Fund may purchase securities which are obligations of, or guaranteed by, the
Dominion of Canada or provinces  thereof and debt securities  issued by Canadian
corporations.  Canadian  securities  will not be  purchased  if  subject  to the
foreign interest equalization tax and unless payable in U.S. dollars.

The Fund may invest in Yankee CDs which are  certificates of deposit issued by a
U.S. branch of a foreign bank  denominated in U.S.  dollars and held in the U.S.
Yankee CDs are subject to somewhat  different  risks than are the obligations of
domestic banks.  The Fund also may invest in debt  securities  issued by foreign
governments,  their  agencies and  instrumentalities  and foreign  corporations,
provided  that such  securities  are  denominated  in U.S.  dollars.  The Fund's
investment in foreign securities, including Canadian securities, will not exceed
25% of the Fund's net assets.  See  "Investment  Methods and Risk Factors" for a
discussion of the risks  associated  with investing in foreign  securities.  The
Fund may also invest in zero coupon  securities  which are debt  securities that
pay no cash income but are sold at substantial  discounts from their face value.
Certain  zero coupon  securities  also provide for the  commencement  of regular
interest payments at a deferred date.

The  Corporate  Bond Fund may  invest  not more than 10% of its total  assets in
securities which are restricted as to disposition  under the federal  securities
laws.  The  Fund may  purchase  without  regard  to this  limitation  restricted
securities  which are  eligible  for  resale  pursuant  to Rule  144A  under the
Securities  Act of 1933 ("Rule 144A  Securities"),  subject to the Fund's policy
that  not  more  than  15% of its  total  assets  may be  invested  in  illiquid
securities.

The  Fund  may  invest  up to  35% of  its  total  assets  in  investment  grade
mortgage-backed  securities (MBSs),  including mortgage pass-through  securities
and collateralized mortgage obligations (CMOs). The Fund may invest up to 10% of
its net assets in securities known as "inverse floating obligations,"  "residual
interest bonds," or  "interest-only"  (IO) or  "principal-only"  (PO) bonds, the
market values of which generally will be more volatile than the market values of
most  MBSs.  For a  discussion  of  MBSs  and the  risks  associated  with  such
securities, see "Investment Methods and Risk Factors."

The  Fund  may  also  invest  up to 15% of its  total  assets  in  "asset-backed
securities."  These include secured debt instruments backed by automobile loans,
credit card loans, home equity loans, manufactured housing loans and other types
of  secured  loans   providing  the  source  of  both  principal  and  interest.
Asset-backed  securities  are subject to risks similar to those  discussed  with
respect to MBSs. See "Investment Methods and Risk Factors."

Corporate  Bond Fund may  purchase  securities  on a "when  issued" or  "delayed
delivery"  basis in  excess of  customary  settlement  periods  for the types of
security involved. For a discussion of such securities,  see "Investment Methods
and Risk Factors." It is anticipated  that  securities  invested in by this Fund
will be held by the Fund on an  average  from one and a half to three  years and
that the average weighted  maturity of the Fund's portfolio will range from 5 to
15 years under normal circumstances.

Corporate Bond Fund may invest in repurchase  agreements on an overnight  basis.
See the discussion of repurchase  agreements under "Investment  Methods and Risk
Factors."  The Fund may  borrow  money  from banks as a  temporary  measure  for
emergency purposes or to facilitate redemption requests.  Borrowing is discussed
in more detail under "Investment  Methods and Risk Factors." Pending  investment
in  securities  or to  meet  potential  redemptions,  the  Fund  may  invest  in
certificates  of deposit,  bank demand  accounts and high  quality  money market
instruments.

LIMITED  MATURITY BOND FUND.  The investment  objective of the Limited  Maturity
Bond  Fund is to seek a high  level of income  consistent  with  moderate  price
fluctuation by investing  primarily in short- and  intermediate-term  bonds.  As
used herein the term  "short- and  intermediate-term  bonds" is used to describe
any  debt  security  with a  maturity  of 15  years or  less.  In  pursuing  its
investment objective,  the Fund will invest in a broad range of debt securities,
including  (i)  securities  issued  by  U.S.  and  Canadian  corporations;  (ii)
securities issued or guaranteed by the U.S. Government or any of its agencies or
instrumentalities, including Treasury bills, certificates of indebtedness, notes
and bonds;  (iii) securities  issued or guaranteed by, the Dominion of Canada or
provinces  thereof;  (iv)  securities  issued  by  foreign  governments,   their
agencies,  and instrumentalities,  and foreign corporations,  provided that such
securities are denominated in U.S. dollars; (v) higher yielding,  high risk debt
securities (commonly referred to as "junk bonds");  (vi) certificates of deposit
issued by a U.S. branch of a foreign bank ("Yankee CDs"); (vii) investment grade
mortgage-backed   securities  ("MBSs");  (viii)  investment  grade  asset-backed
securities; and (ix) zero coupon securities. High yield debt securities,  Yankee
CDs, MBSs and  asset-backed  securities  are  described in further  detail under
"Investment Methods and Risk Factors." Under normal circumstances, the Fund will
invest  at  least  65%  of  the  value  of  its  total   assets  in  short-  and
intermediate-term  bonds.  It is  anticipated  that the Fund's  dollar  weighted
average  maturity will range from 2 to 10 years. It is not expected to exceed 10
years.

Limited Maturity Bond Fund will invest primarily in debt securities rated Baa or
higher  by  Moody's  or BBB or  higher  by S&P at the  time of  purchase,  or if
unrated,  of equivalent  quality as determined by the  Investment  Manager.  Baa
securities are considered to be "medium grade" obligations by Moody's and BBB is
the lowest classification which is still considered an "investment grade" rating
by S&P.  Included  in such  securities  may be  convertible  bonds or bonds with
warrants  attached  which are rated at least Baa or BBB at the time of purchase,
or if unrated,  of equivalent quality as determined by the Investment Manager. A
"convertible  bond"  is a  bond,  debenture  or  preferred  share  which  may be
exchanged,  by the owner, for common stock or another  security,  usually of the
same company,  in accordance  with the terms of the issue.  A "warrant"  confers
upon its holder the right to purchase an amount of  securities  at a  particular
time and  price.  Bonds  rated  Baa by  Moody's  or BBB by S&P have  speculative
characteristics  and may be more  susceptible than higher grade bonds to adverse
economic  conditions  or other  adverse  circumstances  which  may  result  in a
weakened capacity to make principal and interest payments. See Appendix A to the
Prospectus for a description of corporate bond ratings.

The Fund may  invest in higher  yielding  debt  securities  in the lower  rating
(higher risk) categories of the recognized rating services (commonly referred to
as "junk  bonds");  however,  the Fund will  never hold more than 25% of its net
assets in junk bonds.  This includes  securities rated Ba or lower by Moody's or
BB or lower by S&P and are regarded as predominantly speculative with respect to
the ability of the issuer to meet principal and interest payments. The Fund will
not invest in junk bonds which are in default at the time of purchase.  However,
the Investment  Manager will not rely principally on the ratings assigned by the
rating  services.  Because  the  Fund may  invest  in  lower  rated  or  unrated
securities of  comparable  quality,  the  achievement  of the Fund's  investment
objective may be more dependent on the Investment  Manager's own credit analysis
than would be true if investing in higher rated securities.

The Fund may purchase securities which are obligations of, or guaranteed by, the
Dominion of Canada or provinces  thereof and debt securities  issued by Canadian
corporations.  Canadian  securities  will not be  purchased  if  subject  to the
foreign interest equalization tax and unless payable in U.S. currency.

The Fund may invest in Yankee CDs which are  Certificates of Deposit issued by a
U.S. branch of a foreign bank denominated in U.S. dollars and held in the United
States.  Yankee  CDs are  subject  to  somewhat  different  risks  than  are the
obligations  of  domestic  banks.  The Fund may also invest up to 25% of its net
assets in debt  securities  issued by foreign  governments,  their  agencies and
instrumentalities,  and foreign corporations,  provided that such securities are
denominated  in U.S.  dollars.  The Fund's  investment  in  foreign  securities,
including  Canadian  securities  will not exceed  25% of the Fund's net  assets.
Investment in securities of foreign issuers  presents  certain risks,  including
future  political  and  economic  developments  and the possible  imposition  of
foreign  governmental  laws and  restrictions,  reduced  availability  of public
information  concerning  issuers,  and the fact  that  foreign  issuers  are not
generally  subject to  uniform  accounting,  auditing  and  financial  reporting
standards or to other regulatory practices and requirements  comparable to those
applicable to domestic issuers.

The  Fund  may  invest  in U.S.  Government  securities.  Some  U.S.  Government
securities,  such as Treasury  bills and bonds,  are supported by the full faith
and credit of the U.S. Treasury;  others,  such as those of the Federal National
Mortgage Association,  are supported by the discretionary  authority of the U.S.
Government to purchase the agency's  obligations;  still others such as those of
the Student Loan Marketing Association,  are supported only by the credit of the
instrumentality.  U.S.  Government  securities  include bills,  certificates  of
indebtedness,  notes  and  bonds  issued  by  the  Treasury  or by  agencies  or
instrumentalities  of the U.S.  Government.  The Fund  may also  invest  in zero
coupon securities which are debt securities that pay no cash income but are sold
at substantial  discounts from their face value.  Certain zero coupon securities
also provide for the  commencement  of regular  interest  payments at a deferred
date.

Limited  Maturity  Bond Fund may invest not more than 10% of its total assets in
securities which are restricted as to disposition  under the federal  securities
laws.  The  Fund may  purchase  without  regard  to this  limitation  restricted
securities  which are  eligible  for  resale  pursuant  to Rule  144A  under the
Securities  Act of 1933 ("Rule 144A  Securities"),  subject to the Fund's policy
that  not  more  than  15% of its  total  assets  may be  invested  in  illiquid
securities.  See "Investment  Methods and Risk Factors" for a discussion of Rule
144A Securities.

The  Fund  may  invest  up to  35% of  its  total  assets  in  investment  grade
mortgage-backed  securities (MBSs),  including mortgage pass-through  securities
and collateralized mortgage obligations (CMOs). The Fund may invest up to 10% of
its net assets in securities known as "inverse floating obligations,"  "residual
interest bonds," or "interest-only"  (IO) and  "principal-only"  (PO) bonds, the
market values of which will generally be more volatile than the market values of
most MBSs.

The Fund may also  invest up to 15% of its  total  assets  in  investment  grade
"asset-backed  securities."  These include  secured debt  instruments  backed by
automobile  loans,  credit card loans, home equity loans,  manufactured  housing
loans and other types of secured loans  providing  the source of both  principal
and interest.

Limited  Maturity  Bond  Fund may  purchase  securities  on a "when  issued"  or
"delayed delivery" basis in excess of customary  settlement periods for the type
of security involved. Securities purchased on a when issued basis are subject to
market fluctuations and no interest or dividends accrue to the Fund prior to the
settlement date. The Fund will establish a segregated account with its custodian
bank in which  it will  maintain  cash or  liquid  securities  equal in value to
commitments for such when issued securities.

Limited  Maturity Bond Fund may invest in repurchase  agreements on an overnight
basis. See the discussion of repurchase agreements under "Investment Methods and
Risk  Factors." The Fund may borrow money from banks as a temporary  measure for
emergency purposes or to facilitate redemption requests.  Borrowing is discussed
in more detail under "Investment  Methods and Risk Factors." Pending  investment
in  securities  or to  meet  potential  redemptions,  the  Fund  may  invest  in
certificates  of deposit,  bank demand  accounts and high  quality  money market
instruments.

From time to time,  Limited  Maturity  Bond Fund may  invest  part or all of its
assets in commercial notes or money market instruments.

DIVERSIFIED INCOME FUND. The investment objective of the Diversified Income Fund
is to provide a high level of interest  income with  security of  principal.  In
pursuing its investment objective, the Fund will invest in a broad range of debt
securities,  including (i) securities issued by U.S. and Canadian  corporations;
(ii)  securities  issued  or  guaranteed  by the U.S.  Government  or any of its
agencies  or  instrumentalities,   including  Treasury  bills,  certificates  of
indebtedness,  notes and bonds;  (iii)  securities  issued or  guaranteed by the
Dominion  of Canada or  provinces  thereof;  (iv)  securities  issued by foreign
governments,  their agencies and  instrumentalities,  and foreign  corporations,
provided  that such  securities  are  denominated  in U.S.  dollars;  (v) higher
yielding, high risk debt securities (commonly referred to as "junk bonds"); (vi)
certificates  of  deposit  issued by a U.S.  branch of a foreign  bank  ("Yankee
CDs");  (vii)  investment  grade  mortgage-backed  securities  ("MBSs");  (viii)
investment grade asset-backed securities;  (ix) zero coupon securities;  and (x)
interest  rate and total  return swap  agreements.  High yield debt  securities,
Yankee CDs, MBSs,  asset-backed  securities and swap agreements are described in
further  detail under  "Investment  Methods and Risk Factors." It is anticipated
that the Fund will maintain a dollar weighted average duration of 4 to 10 years.

Diversified  Income Fund will invest  primarily in debt securities  rated Baa or
higher  by  Moody's  or BBB or  higher  by S&P at the  time of  purchase,  or if
unrated,  of equivalent  quality as determined by the  Investment  Manager.  Baa
securities are considered to be "medium grade" obligations by Moody's and BBB is
the lowest classification which is still considered an "investment grade" rating
by S&P.  Included  in such  securities  may be  convertible  bonds or bonds with
warrants  attached  which are rated at least Baa or BBB at the time of purchase,
or if unrated,  of equivalent quality as determined by the Investment Manager. A
"convertible  bond"  is a  bond,  debenture  or  preferred  share  which  may be
exchanged by the owner for common stock or another security, usually of the same
company, in accordance with the terms of the issue. A "warrant" confers upon its
holder the right to purchase an amount of  securities  at a particular  time and
price. Bonds rated Baa by Moody's or BBB by S&P have speculative characteristics
and  may be more  susceptible  than  higher  grade  bonds  to  adverse  economic
conditions  or other  adverse  circumstances  which  may  result  in a  weakened
capacity  to  make  principal  and  interest  payments.  See  Appendix  A to the
Prospectus for a description of corporate bond ratings.

The Fund may  invest in higher  yielding  debt  securities  in the lower  rating
(higher risk) categories of the recognized rating services (commonly referred to
as "junk  bonds");  however,  the Fund will  never hold more than 25% of its net
assets in junk bonds.  This includes  securities rated Ba or lower by Moody's or
BB or lower by S&P and are regarded as predominantly speculative with respect to
the ability of the issuer to meet principal and interest payments. The Fund will
not invest in junk bonds which are in default at the time of purchase.  However,
the Investment  Manager will not rely principally on the ratings assigned by the
rating  services.  Because  the  Fund may  invest  in  lower  rated  or  unrated
securities of  comparable  quality,  the  achievement  of the Fund's  investment
objective may be more dependent on the Investment  Manager's own credit analysis
than would be true if investing in higher rated securities.

The Fund may purchase securities which are obligations of, or guaranteed by, the
Dominion of Canada or provinces  thereof and debt securities  issued by Canadian
corporations.  Canadian  securities  will not be  purchased  if  subject  to the
foreign interest equalization tax and unless payable in U.S. currency.

The Fund may invest in Yankee CDs which are  Certificates of Deposit issued by a
U.S. branch of a foreign bank denominated in U.S. dollars and held in the United
States.  Yankee  CDs are  subject  to  somewhat  different  risks  than  are the
obligations  of  domestic  banks.  The Fund may also invest up to 25% of its net
assets in debt  securities  issued by foreign  governments,  their  agencies and
instrumentalities,  and foreign corporations,  provided that such securities are
denominated  in U.S.  dollars.  The Fund's  investment  in  foreign  securities,
including  Canadian  securities,  will not exceed 25% of the Fund's net  assets.
Investment in securities of foreign issuers  presents  certain risks,  including
future  political  and  economic  developments  and the possible  imposition  of
foreign  governmental  laws and  restrictions,  reduced  availability  of public
information  concerning  issuers,  and the fact  that  foreign  issuers  are not
generally  subject to  uniform  accounting,  auditing  and  financial  reporting
standards or to other regulatory practices and requirements  comparable to those
applicable to domestic issuers.

The  Fund  may  invest  in U.S.  Government  securities.  Some  U.S.  Government
securities,  such as Treasury  bills and bonds,  are supported by the full faith
and credit of the U.S. Treasury;  others,  such as those of the Federal National
Mortgage Association,  are supported by the discretionary  authority of the U.S.
Government to purchase the agency's  obligations;  still others such as those of
the Student Loan Marketing Association,  are supported only by the credit of the
instrumentality.  U.S.  Government  securities  include bills,  certificates  of
indebtedness,  notes  and  bonds  issued  by  the  Treasury  or by  agencies  or
instrumentalities  of the U.S.  Government.  The Fund  may also  invest  in zero
coupon securities which are debt securities that pay no cash income but are sold
at substantial  discounts from their face value.  Certain zero coupon securities
also provide for the  commencement  of regular  interest  payments at a deferred
date.

Diversified  Income  Fund may  invest  not more than 10% of its total  assets in
securities which are restricted as to disposition  under the federal  securities
laws.  The  Fund may  purchase  without  regard  to this  limitation  restricted
securities  which are  eligible  for  resale  pursuant  to Rule  144A  under the
Securities  Act of 1933 ("Rule 144A  Securities"),  subject to the Fund's policy
that  not  more  than  15% of its  total  assets  may be  invested  in  illiquid
securities.  See "Investment  Methods and Risk Factors" for a discussion of Rule
144A Securities.

The Fund may  invest  without  limit in MBSs,  including  mortgage  pass-through
securities and collateralized  mortgage  obligations (CMOs). The Fund may invest
up  to  10%  of  its  net  assets  in  securities  known  as  "inverse  floating
obligations,"   "residual   interest   bonds,"  or   "interest-only"   (IO)  and
"principal-only"  (PO) bonds,  the market values of which will generally be more
volatile than the market values of most MBSs.

The  Fund may also  invest  without  limit  in  investment  grade  "asset-backed
securities."  These include secured debt instruments backed by automobile loans,
credit card loans, home equity loans, manufactured housing loans and other types
of secured loans providing the source of both principal and interest.

The Fund may enter into interest rate and total return swap agreements.

Diversified  Income Fund may purchase  securities on a "when issued" or "delayed
delivery"  basis in  excess  of  customary  settlement  periods  for the type of
security  involved.  Securities  purchased on a when issued basis are subject to
market fluctuations and no interest or dividends accrue to the Fund prior to the
settlement date. The Fund will establish a segregated account with its custodian
bank in which  it will  maintain  cash or  liquid  securities  equal in value to
commitments for such when issued securities.

Diversified  Income Fund may invest in  repurchase  agreements  on an  overnight
basis. See the discussion of repurchase agreements under "Investment Methods and
Risk  Factors." The Fund may borrow money from banks as a temporary  measure for
emergency purposes or to facilitate redemption requests.  Borrowing is discussed
in more detail under "Investment  Methods and Risk Factors." Pending  investment
in  securities  or to  meet  potential  redemptions,  the  Fund  may  invest  in
certificates  of deposit,  bank demand  accounts and high  quality  money market
instruments.

From time to time,  Diversified Income Fund may invest part or all of its assets
in commercial notes or money market instruments.

HIGH YIELD FUND.  The  investment  objective  of High Yield Fund is to seek high
current  income.  Capital  appreciation is a secondary  objective.  Under normal
circumstances,  the  Fund  will  seek  its  investment  objective  by  investing
primarily in a broad range of income producing securities,  including (i) higher
yielding,  higher risk, debt securities  (commonly referred to as "junk bonds");
(ii) preferred stock;  (iii)  securities  issued by foreign  governments,  their
agencies and  instrumentalities,  and foreign  corporations,  provided that such
securities are  denominated in U.S.  dollars;  (iv)  mortgage-backed  securities
("MBSs"); (v) asset-backed  securities;  (vi) securities issued or guaranteed by
the U.S.  Government  or any of its  agencies  or  instrumentalities,  including
Treasury bills, certificates of indebtedness,  notes and bonds; (vii) securities
issued or  guaranteed  by, the Dominion of Canada or provinces  thereof;  (viii)
real estate investment  trusts;  and (ix) zero coupon  securities.  The Fund may
also invest up to 35% of its assets in common  stock  (which may include  ADRs),
warrants  and rights.  Under  normal  circumstances,  at least 65% of the Fund's
total assets will be invested in high-yielding, high risk debt securities.

High Yield Fund may invest up to 100% of its assets in debt securities  that, at
the time of purchase,  are rated below investment grade ("high yield securities"
or "junk  bonds"),  which  involve a high  degree of risk and are  predominantly
speculative.  For a  description  of debt ratings and a discussion  of the risks
associated  with  investing  in junk  bonds,  see  "Investment  Methods and Risk
Factors."  Included  in the debt  securities  which  the Fund may  purchase  are
convertible  bonds, or bonds with warrants  attached.  A "convertible bond" is a
bond,  debenture,  or  preferred  share which may be  exchanged by the owner for
common stock or another  security,  usually of the same  company,  in accordance
with the terms of the issue.  A "warrant"  confers  upon the holder the right to
purchase an amount of securities at a particular time and price. See "Investment
Methods and Risk  Factors" for a discussion  of the risks  associated  with such
securities.

High Yield Fund may purchase  securities which are obligations of, or guaranteed
by, the Dominion of Canada or provinces  thereof and debt  securities  issued by
Canadian  corporations.  Canadian securities will not be purchased if subject to
the foreign interest  equalization tax and unless payable in U.S.  dollars.  The
Fund may also invest in debt securities issued by foreign governments (including
Brady Bonds),  their  agencies and  instrumentalities  and foreign  corporations
(including those in emerging markets),  provided such securities are denominated
in U.S. dollars. The Fund's investment in foreign securities, excluding Canadian
securities, will not exceed 25% of the Fund's net assets. See "Investment Method
and Risk Factors" for a discussion  of the risks  associated  with  investing in
foreign securities and emerging markets.

High  Yield  Fund may  invest up to 25% of its total  assets in MBSs,  including
mortgage  pass-through   securities  and  collateralized   mortgage  obligations
(CMO's).   The  Fund  may  invest  in  securities  known  as  "inverse  floating
obligations," "residual interest bonds," and "interest only" (IO) and "principal
only" (PO) bonds,  the market  values of which  generally  will be more volatile
than  the  market  values  of most  MBSs.  This  is due to the  fact  that  such
instruments  are more  sensitive  to  interest  rate  changes and to the rate of
principal  prepayments  than are most other  MBSs.  See the  discussion  of such
instruments  under  "Investment  Methods and Risk  Factors." For a discussion of
MBSs and the risks associated with such securities,  see "Investment Methods and
Risk Factors."

The  Fund  may  also  invest  up to 15% of its  total  assets  in  "asset-backed
securities."  These include secured debt instruments backed by automobile loans,
credit card loans, home equity loans, manufactured housing loans and other types
of  secured  loans   providing  the  source  of  both  principal  and  interest.
Asset-backed  securities  are subject to risks similar to those  discussed  with
respect to MBSs. See "Investment Methods and Risk Factors."

The Fund may invest in U.S. Government  securities.  U.S. Government  securities
include  bills,  certificates  of  indebtedness,  notes and bonds  issued by the
Treasury or by agencies or instrumentalities of the U.S. Government.  High Yield
Fund may also invest in zero coupon  securities  which are debt  securities that
pay no cash income but are sold at substantial  discounts from their face value.
Certain  zero coupon  securities  also provide for the  commencement  of regular
interest payments at a deferred date.

High Yield Fund may invest not more than 10% of its total  assets in  securities
which are restricted as to disposition  under the federal  securities  laws. The
Fund may purchase without regard to this limitation  restricted securities which
are eligible for resale  pursuant to Rule 144A under the  Securities Act of 1933
("Rule 144A Securities"), subject to the Fund's policy that not more than 15% of
its total assets may be invested in illiquid securities. See "Investment Methods
and Risk Factors" for a discussion of restricted securities.

The Fund may purchase securities on "when issued" or "delayed delivery" basis in
excess of customary  settlement periods for the type of security  involved.  The
Fund may also purchase or sell  securities on a "forward  commitment"  basis and
may enter into  "repurchase  agreements",  "reverse  repurchase  agreements" and
"roll  transactions."  The Fund may lend  securities  to  broker-dealers,  other
institutions  or other persons to earn  additional  income.  The value of loaned
securities may not exceed 33 1/3% of the Fund's total assets.  In addition,  the
Fund  may  purchase  loans,  loan  participations  and  other  types  of  direct
indebtedness.

High Yield Fund may invest in real estate  investment trusts ("REITs") and other
real estate industry  investments.  See the discussion of real estate securities
under "Investment Methods and Risk Factors."

High Yield Fund may enter into  futures  contracts  (a type of  derivative)  (or
options thereon) to hedge all or a portion of its portfolio,  as a hedge against
changes in  prevailing  levels of  interest  rates or as an  efficient  means of
adjusting  its  exposure  to the  bond  market.  The Fund  will not use  futures
contracts  for  leveraging  purposes.  The Fund will  limit  its use of  futures
contracts so that initial margin deposits or premiums on such contracts used for
non-hedging  purposes will not equal more than 5% of the Fund's net asset value.
The Fund may purchase call and put options and write such options on a "covered"
basis.  The Fund may also enter into  interest rate and index swaps and purchase
or sell related  caps,  floors and collars.  The  aggregate  market value of the
Fund's portfolio  securities covering call or put options will not exceed 25% of
the  Fund's  net  assets.  See  "Investment  Methods  and  Risk  Factors"  for a
discussion of the risks associated with these types of investments.

As an operating  policy,  the Fund will not purchase  securities on margin.  The
Fund may,  however,  obtain such  short-term  credits as are  necessary  for the
clearance of purchases and sales of securities.  In addition, the Fund may enter
into certain derivative  transactions,  consistent with its investment  program,
which  require  the  deposit  of  "margin"  or a  premium  to  initiate  such  a
transaction.  As an operating  policy,  the Fund will not loan its assets to any
person or individual,  except by the purchase of bonds or other debt obligations
customarily  sold to  institutional  investors.  The  Fund  may,  however,  lend
portfolio  securities  as  described  in the  prospectus  and this  statement of
additional   information.   In  addition,  the  Fund  does  not  interpret  this
restriction as prohibiting  investment in loan participations and assignments as
described in the prospectus. As an operating policy, the Fund will not engage in
short sales.

The Fund's investment in warrants,  valued at the lower of cost or market,  will
not exceed 5% of the Fund's net assets.  Included within this amount, but not to
exceed 2% of the Fund's net assets,  may be warrants which are not listed on the
New York or American Stock Exchange.  Warrants  acquired by the Fund in units or
attached to securities may be deemed to be without value.

From time to time,  High Yield Fund may invest part or all of its assets in U.S.
Government  securities,  commercial  notes or money  market  instruments.  It is
anticipated  that the dollar  weighted  average  maturity of the Fund will range
from 5 to 15 years under normal circumstances.

SECURITY MUNICIPAL BOND FUND -- The investment  objective of Municipal Bond Fund
is to obtain as high a level of  interest  income  exempt from  regular  federal
income  taxes as is  consistent  with  preservation  of  stockholders'  capital.
Municipal Bond Fund attempts to achieve its objective by investing  primarily in
debt  securities,  the interest on which is exempt from regular  federal  income
taxes under the Internal  Revenue Code. The Fund may invest in securities  which
generate income that is subject to the federal alternative minimum tax. There is
no assurance that Municipal Bond Fund's objective will be achieved.

The  tax-exempt  securities in which  Municipal  Bond Fund invests  include debt
obligations issued by or on behalf of the states, territories and possessions of
the United States, the District of Columbia,  and their political  subdivisions,
agencies,  authorities and instrumentalities,  including multi-state agencies or
authorities.  These securities are referred to as "municipal securities" and are
described in more detail below.

Municipal  Bond  Fund's  investments  in  municipal  securities  are  limited to
securities of "investment  grade" quality,  that is securities  rated within the
four highest  rating  categories of Moody's (Aaa,  Aa, A, Baa), S&P (AAA, AA, A,
BBB) or Fitch  (AAA,  AA, A, BBB),  except  that the Fund may  purchase  unrated
municipal securities (i) where the securities are guaranteed as to principal and
interest by the full faith and credit of the U.S.  government or are  short-term
municipal  securities (those having a maturity of less than one year) of issuers
having  outstanding  at the time of purchase an issue of municipal  bonds having
one of  the  four  highest  ratings,  or  (ii)  where,  in  the  opinion  of the
Sub-Adviser,  Salomon  Brothers  Asset  Management  Inc,  the unrated  municipal
securities are  comparable in quality to those within the four highest  ratings.
However,  Municipal  Bond Fund will not purchase an unrated  municipal  security
(other than a security  described  in (i) above) if, after such  purchase,  more
than 20% of the Fund's total assets would be invested in such unrated  municipal
securities.

With  respect to rated  securities,  there is no  percentage  limitation  on the
amount of  Municipal  Bond Fund's  assets  which may be  invested in  securities
within any  particular  rating  classification.  A description of the ratings is
contained in Appendix B to the Prospectus. Baa securities are considered "medium
grade"  obligations by Moody's,  and BBB is the lowest  classification  which is
still  considered an "investment  grade" rating by S&P and Fitch. Baa securities
are  described  by  Moody's  as  obligations  on which  "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." According to Moody's,  "such bonds lack outstanding  investment
characteristics and in fact have speculative characteristics as well." According
to Fitch,  "adverse changes in economic  conditions and  circumstances  are more
likely to have  adverse  impact on these  bonds,  and  therefore  impair  timely
payment."  The  ratings of Moody's,  S&P and Fitch  represent  their  respective
opinions  of the  quality  of the  securities  they  undertake  to rate and such
ratings are general and are not absolute standards of quality.

Although   Municipal  Bond  Fund  invests  primarily  in  municipal  bonds  with
maturities  greater than one year,  it also will invest for various  purposes in
short-term  (maturity equal to or less than one year)  securities  which, to the
extent practicable,  will be short-term  municipal  securities.  (See "Municipal
Securities,"  below.) Short-term  investments may be made, pending investment of
funds in municipal  bonds,  in order to maintain  liquidity  to meet  redemption
requests,  or to maintain a temporary  "defensive"  investment position when, in
the opinion of the  Investment  Manager,  it is advisable to do so on account of
current or anticipated market conditions. Except when in a temporary "defensive"
position,  investments in short-term  municipal  securities  will represent less
than 20% of the Fund's total assets.

From time to time,  on a  temporary  basis,  Municipal  Bond Fund may  invest in
fixed-income obligations on which the interest is subject to federal income tax.
Except when the Fund is in a temporary "defensive"  investment position, it will
not  purchase  a taxable  security  if, as a result,  more than 20% of its total
assets would be invested in taxable securities. This limitation is a fundamental
policy of Municipal Bond Fund, and may not be changed without a majority vote of
the Fund's outstanding securities. Temporary taxable investments of the Fund may
consist  of  obligations  issued or  guaranteed  by the U.S.  government  or its
agencies or  instrumentalities,  commercial  paper rated A-1 by S&P,  Prime-1 by
Moody's or F-1 by Fitch,  corporate obligations rated AAA or AA by S&P and Fitch
or Aaa or Aa by  Moody's,  certificates  of deposit or bankers'  acceptances  of
domestic  banks or thrifts  with at least $2 billion  in assets,  or  repurchase
agreements  with  such  banks or with  broker/dealers.  Municipal  Bond Fund may
invest  its  assets  in  bank  demand  accounts,  pending  investment  in  other
securities or to meet potential  redemptions or expenses.  Repurchase agreements
may be entered into with respect to any  securities  eligible for  investment by
the  Fund,  including  municipal  securities.  The Fund may also  invest in zero
coupon securities which are debt securities that pay no cash income but are sold
at substantial  discounts from their face value.  Certain zero coupon securities
also provide for the  commencement  of regular  interest  payments at a deferred
date.

Municipal Bond Fund may invest in repurchase  agreements which are agreements by
which  a  purchaser  (e.g.,   Municipal  Bond  Fund)  acquires  a  security  and
simultaneously  commits  to  resell  that  security  to the  seller  (a  bank or
broker/dealer) at an agreed upon price on an agreed upon date within a number of
days  (usually not more than seven) from the date of purchase.  Income earned by
the Fund on repurchase  agreements is not exempt from federal income tax even if
the transaction involves municipal securities. Municipal Bond Fund may not enter
into a repurchase  agreement  having more than seven days  remaining to maturity
if, as a result,  such agreements,  together with any other securities which are
illiquid or not readily marketable,  would exceed 10% of the total assets of the
Fund. See the discussion of repurchase  agreements under "Investment Methods and
Risk Factors."

Municipal  Bond Fund may  borrow  money from banks as a  temporary  measure  for
emergency purposes or to facilitate redemption requests.  Borrowing is discussed
in more detail under "Investment  Methods and Risk Factors." Pending  investment
in  securities  or to  meet  potential  redemptions,  the  Fund  may  invest  in
certificates  of deposit,  bank demand  accounts and high  quality  money market
instruments.

Municipal  Bond  Fund  may  purchase  or  sell  futures  contracts  on (a)  debt
securities that are backed by the full faith and credit of the U.S.  Government,
such as long-term U.S.  Treasury Bonds and Treasury Notes and (b) municipal bond
indices. Currently at least one exchange trades futures contracts on an index of
long-term  municipal  bonds,  and the Fund reserves to right to conduct  futures
transactions based on an index which may be developed in the future to correlate
with price movements in municipal  obligations.  It is not presently anticipated
that any of these  strategies will be used to a significant  degree by the Fund.
For further information regarding futures contracts, see "Investment Methods and
Risk Factors."

See Appendix B to the prospectus for a further  description of Moody's,  S&P and
Fitch ratings relating to municipal securities. As noted earlier, when Municipal
Bond  Fund is in a  temporary  "defensive"  position,  there  is no limit on its
investments in short-term municipal securities and taxable securities.

MUNICIPAL SECURITIES.

MUNICIPAL  BONDS.  Municipal bonds are debt  obligations  which generally have a
maturity  at the time of issue in excess of one year.  They are issued to obtain
funds for various public  purposes,  including  construction  of a wide range of
public  facilities  such  as  bridges,   highways,   housing,   hospitals,  mass
transportation,  schools,  streets,  and  water and sewer  works.  Other  public
purposes  for which  municipal  bonds may be issued  include  the  refunding  of
outstanding  obligations,  obtaining  funds for general  operating  expenses and
obtaining  funds  to  loan to  other  public  institutions  and  facilities.  In
addition,  certain  types of  industrial  development  bonds and  other  private
activity bonds are issued by or on behalf of public  authorities to obtain funds
to provide for privately-operated housing facilities, and certain facilities for
water supply, gas, electricity or sewage or solid waste disposal.

The two principal  classifications  of municipal bonds are "general  obligation"
and "revenue" bonds. General obligation bonds are secured by the issuer's pledge
of its full  faith,  credit and taxing  power for the payment of  principal  and
interest.  Revenue  bonds are  payable  only from the  revenues  derived  from a
particular facility or class of facilities, or, in some cases, from the proceeds
of a special excise or specific revenue source.  Revenue  securities may include
private  activity  bonds.  Such  bonds  may be  issued by or on behalf of public
authorities to finance various privately operated facilities and are not payable
from the unrestricted revenues of the issuer. As a result, the credit quality of
private activity bonds is frequently  related directly to the credit standing of
private  corporations  or other entities.  In addition,  the interest on private
activity bonds issued after August 7, 1986 is subject to the federal alternative
minimum tax. The Fund will not be restricted  with respect to the  proportion of
its assets that may be invested in such obligations.  Accordingly,  the Fund may
not be a suitable  investment  vehicle for individuals or corporations  that are
subject to the federal  alternative  minimum tax.  Municipal  Bond Fund will not
invest  more than 5% of its net assets in  securities  where the  principal  and
interest are the  responsibility of a private  corporation or other entity which
has, including predecessors, less than three years' operational history.

There are,  depending on numerous  factors,  variations in the risks involved in
holding municipal securities, both within a particular rating classification and
between  classifications.  The market values of outstanding municipal bonds will
vary as a result of the  rating of the issue  and  changing  evaluations  of the
ability of the issuer to meet  interest  and  principal  payments.  Such  market
values will also change in response to changes in the interest  rates payable on
new issues of municipal  bonds.  Should such interest  rates rise, the values of
outstanding  bonds,  including  those held in Municipal  Bond Fund's  portfolio,
would decline;  should such interest  rates  decline,  the values of outstanding
bonds would increase.

As a result of litigation or other  factors,  the power or ability of issuers of
municipal  securities  to pay  principal  and/or  interest  might  be  adversely
affected.  Municipal  securities  are subject to the  provisions of  bankruptcy,
insolvency and other laws  affecting the rights and remedies of creditors,  such
as the  Federal  Bankruptcy  Code,  and laws,  if any,  which may be  enacted by
Congress or state  legislatures  extending  the time for payment of principal or
interest  or both,  or  imposing  other  constraints  upon  enforcement  of such
obligations or upon the power of municipalities to levy taxes.

Municipal  Bond Fund may  invest  without  percentage  limitations  in issues of
municipal securities which have similar characteristics, such as the location of
their  issuers  in the same  geographic  region or the  derivation  of  interest
payments  from  revenues on similar  projects  (for  example,  electric  utility
systems,  hospitals, or housing finance agencies). Thus, Municipal Bond Fund may
invest more than 25% of its total assets in securities issued in a single state.
However,  it may not invest more than 25% of its total  assets in one  industry.
(See  "Investment  Policy  Limitations,"  page  27.)  Consequently,  the  Fund's
portfolio  of  municipal  securities  may be more  susceptible  to the  risks of
adverse economic,  political,  or regulatory developments than would be the case
with a portfolio of securities  required to be more diversified as to geographic
region and/or source of revenue.

Interest on certain types of private activity bonds (for example, obligations to
finance  certain  exempt  facilities  which may be leased to or used by  persons
other than the issuer) will not be exempt from federal  income tax when received
by "substantial  users" or persons related to "substantial  users" as defined in
the Internal Revenue Code. The term  "substantial  user" generally  includes any
"non-exempt person" who regularly uses in trade or business a part of a facility
financed from the proceeds of private  activity  bonds.  Municipal Bond Fund may
invest  periodically  in private  activity bonds and,  therefore,  may not be an
appropriate  investment for entities which are  substantial  users of facilities
financed by those bonds or "related persons" of substantial users. Generally, an
individual  will not be a related  person of a  substantial  user under the Code
unless the person or his immediate family (spouse,  brothers, sisters and lineal
descendants) directly or indirectly owns in the aggregate more than 50% in value
of the equity of the substantial user.

From  time to time,  proposals  have been  introduced  before  Congress  for the
purpose of  restricting  or  eliminating  the federal  income tax  exemption for
interest on future  issues of  municipal  securities.  It can be  expected  that
similar  proposals  may be  introduced  in the future.  If such a proposal  were
enacted,  the  availability of municipal  securities for investment by Municipal
Bond Fund and the  value of the  Fund's  portfolio  would be  affected.  In that
event,  the  Directors  would  reevaluate  the Fund's  investment  objective and
policies.

WHEN-ISSUED  PURCHASES.  From time to time, in the ordinary  course of business,
Municipal  Bond Fund may  purchase  municipal  securities  on a  when-issued  or
delayed  delivery  basis--i.e.,  delivery  and payment can take place a month or
more after the date of the transactions.  Securities so purchased are subject to
market  fluctuation and no interest accrues to the purchaser during this period.
At the time the Fund makes the commitment to purchase a municipal  security on a
when-issued  or delayed  delivery  basis,  it will  record the  transaction  and
thereafter  reflect the value,  each day, of the security in determining its net
asset value.  Municipal Bond Fund will also establish a segregated  account with
its custodian bank in which it will maintain cash or liquid  securities equal in
value to  commitments  for such  when-issued  or  delayed  delivery  securities.
Municipal  Bond Fund does not believe that its net asset value or income will be
adversely  affected by its purchase of municipal  securities on a when-issued or
delayed delivery basis. Upon the settlement date of the when-issued  securities,
the Fund  ordinarily  will meet its obligation to purchase the  securities  from
available cash flow, use of the cash (or liquidation of securities)  held in the
segregated  account or sale of other securities.  Although it would not normally
expect  to do so,  the Fund  also may meet its  obligation  from the sale of the
when-issued securities themselves (which may have a current market value greater
or less than the Fund's  payment  obligation).  Sale of  securities to meet such
obligations  carries  with it a greater  potential  for the  realization  of net
capital gains, which are not exempt from federal income tax.

PUTS OR STAND-BY  COMMITMENTS.  Municipal Bond Fund may purchase,  from banks or
broker/dealers,  municipal  securities  together  with the right to  resell  the
securities  to the seller at an  agreed-upon  price or yield  within a specified
period prior to the maturity date of the  securities.  Such a right to resell is
commonly known as a "put" and is also referred to as a "stand-by  commitment" on
the  part of the  seller.  The  price  which  the Fund  pays  for the  municipal
securities with puts generally is higher than the price which otherwise would be
paid for the  municipal  securities  alone.  Municipal  Bond  Fund uses puts for
liquidity  purposes  in order to permit  it to remain  more  fully  invested  in
municipal  securities  than would  otherwise  be the case by  providing  a ready
market for certain municipal securities in its portfolio at an acceptable price.
The put  generally  is for a shorter  term than the  maturity  of the  municipal
security and does not  restrict in any way the Fund's  ability to dispose of (or
retain) the municipal security.

In order to ensure that the interest on municipal  securities subject to puts is
tax-exempt to the Fund, it will limit its use of puts in accordance with current
interpretations  or rulings of the Internal  Revenue Service (IRS).  The IRS has
issued a ruling  (Rev.  Rul.  82-144) in which it  determined  that a  regulated
investment  company was the owner,  for tax  purposes,  of municipal  securities
subject to puts (with the result  that  interest on those  securities  would not
lose its tax-exempt  status when paid to the company).  The IRS position in Rev.
Rul. 82-144 relates to a particular  factual  situation,  in which (i) the price
paid for the puts  was in  addition  to the  price of the  municipal  securities
subject  to the puts,  (ii) the puts  established  the price at which the seller
must repurchase the securities, (iii) the puts were nonassignable and terminated
upon disposal of the underlying  securities by the Fund,  (iv) the puts were for
periods substantially less than the terms of the underlying securities,  (v) the
puts  did  not  include  call  arrangements  or  restrict  the  disposal  of the
underlying  securities  by the  Fund  and  gave  the  seller  no  rights  in the
underlying securities, and (vi) the securities were acquired by the Fund for its
own account and not as security for a loan from the seller.

Because it is difficult to evaluate the  likelihood of exercise or the potential
benefit of a put, puts will be determined to have a "value" of zero,  regardless
of whether  any  direct or  indirect  consideration  was paid.  Amounts  paid by
Municipal  Bond Fund for a put will be reflected as unrealized  depreciation  in
the underlying  security for the period during which the commitment is held, and
therefore will reduce any potential gains on the sale of the underlying security
by the cost of the put.  There is a risk  that the  seller of the put may not be
able to repurchase the security upon exercise of the put by the Fund.

SHORT-TERM  MUNICIPAL  SECURITIES.  Although  Municipal  Bond  Fund's  portfolio
generally will consist primarily of municipal bonds, for liquidity purposes, and
from  time to time for  defensive  purposes,  a  portion  of its  assets  may be
invested in short-term municipal securities (i.e., those with less than one year
remaining to maturity).

Short-term  municipal  securities  consist  of  short-term  municipal  notes and
short-term  municipal loans and obligations,  including  municipal paper, master
demand notes and variable-rate demand notes.  Short-term municipal notes include
tax  anticipation  notes  (notes  issued in  anticipation  of the receipt of tax
funds),  bond anticipation notes (notes issued in anticipation of receipt of the
proceeds  of bond  placements),  revenue  anticipation  notes  (notes  issued in
anticipation  of the receipt of revenues  other than taxes or bond  placements),
and  project  notes  (obligations  of  municipal  housing  agencies on which the
payment of  principal  and interest  ordinarily  is backed by the full faith and
credit of the U.S.  government).  Municipal paper typically consists of the very
short-term unsecured negotiable promissory notes of municipal issuers.

The Fund may invest in tax-exempt master demand notes. A municipal master demand
note is an  arrangement  under which the Fund  participates  in a note agreement
between a bank acting on behalf of its clients and a municipal borrower, whereby
amounts  maintained  by the Fund in an account with the bank are provided to the
municipal  borrower  and  payments of  interest  and  principal  on the note are
credited to the Fund's account.  Interest rates on master demand notes typically
are tied to market  interest  rates,  and  therefore may  fluctuate  daily.  The
amounts  borrowed  under these  notes may be repaid at any time by the  borrower
without penalty, and must be repaid upon the demand of Municipal Bond Fund.

Municipal Bond Fund may also invest in variable-rate demand notes. Variable-rate
demand  notes are  tax-exempt  obligations  which are  payable by the  municipal
issuer at par value plus accrued  interest on demand by the Fund (generally with
three to ten days'  notice).  If no demand  is made,  the note will  mature on a
specified  date from one to thirty years from its issuance.  Payment on the note
may be backed by a  stand-by  letter of  credit.  The yield on a  variable  rate
demand note is adjusted automatically to reflect a particular market rate (which
may not be the same market rate as that  applicable  to a master  demand  note).
Variable-rate  demand  notes  typically  are  callable  by the  issuer  prior to
maturity.

Where  short-term  municipal  securities are rated, the Municipal Bond Fund will
limit its investments to "high quality"  short-term  securities.  For short-term
municipal notes this includes  ratings of SP-2 or better by S&P, MIG 2 or better
(or VMIG-2 or better,  in the case of variable  rate demand notes) by Moody's or
F-2 or better by Fitch;  for municipal paper this includes A-2 or better by S&P,
Prime-2  or better by  Moody's  or F-2 or  better by Fitch.  Unrated  short-term
municipal  securities will be included  within the Fund's overall  limitation on
investments in unrated municipal  securities.  This limitation provides that not
more than 20% of  Municipal  Bond Fund's total assets may be invested in unrated
municipal securities, exclusive of unrated securities which are guaranteed as to
principal  and interest by the full faith and credit of the U.S.  government  or
are issued by an issuer having  outstanding  an issue of municipal  bonds within
one of the four highest ratings classifications.

Municipal  Bond Fund also may engage to a limited  extent in  portfolio  trading
consistent with its investment objective. Securities may be sold in anticipation
of a market decline (a rise in interest rates) or purchased in anticipation of a
market  rise (a decline  in  interest  rates) and later  sold.  In  addition,  a
security  may  be  sold  and  another  of   comparable   quality   purchased  at
approximately  the same time to take advantage of what the Fund believes to be a
temporary disparity in the normal yield relationship between the two securities.
These  yield  disparities  may occur for  reasons  not  directly  related to the
investment  quality of a  particular  issue or the general  movement of interest
rates, such as changes in the overall demand for, or supply of, various types of
municipal securities.

SECURITY CASH FUND -- The investment objective of Cash Fund is to seek as high a
level of current  income as is  consistent  with  preservation  of  capital  and
liquidity. No assurances can be given that Cash Fund will achieve its objective.
The Fund will attempt to achieve its  objective by investing at least 95% of its
total assets, measured at the time of investment,  in a diversified portfolio of
highest quality money market instruments.  Cash Fund may also invest up to 5% of
its  total  assets,  measured  at  the  time  of  investment,  in  money  market
instruments that are in the  second-highest  rating category for short-term debt
obligations.  Money market  instruments in which Cash Fund may invest consist of
the following:

U.S. GOVERNMENT SECURITIES. Obligations issued or guaranteed (as to principal or
interest) by the United  States  Government  or its agencies  (such as the Small
Business  Administration,  the Federal  Housing  Administration  and  Government
National Mortgage  Association) or instrumentalities  (such as Federal Home Loan
Banks and Federal Land Banks) and  instruments  fully  collateralized  with such
obligations.

BANK OBLIGATIONS. Obligations of banks or savings and loan associations that are
members of the Federal  Deposit  Insurance  Corporation  and  instruments  fully
collateralized with such obligations.

CORPORATE OBLIGATIONS. Commercial paper issued by corporations and rated Prime-1
or Prime-2 by Moody's, or A-1 or A-2 by S&P, or other corporate debt instruments
rated Aaa or Aa or better by Moody's  or AAA or AA or better by S&P,  subject to
the  limitations  on  investment in  instruments  in the  second-highest  rating
category, discussed below.

Cash Fund may invest in  certificates  of deposit  issued by banks or other bank
demand  accounts,  pending  investment in other  securities or to meet potential
redemptions or expenses.

Cash Fund may invest only in U.S. dollar  denominated  money market  instruments
that present  minimal  credit risk and, with respect to 95% of its total assets,
measured  at the  time of  investment,  that  are of the  highest  quality.  The
Investment  Manager will determine  whether a security  presents  minimal credit
risk under procedures adopted by the Fund's Board of Directors.  A security will
be considered to be highest quality (1) if rated in the highest rating category,
(e.g., Aaa or Prime-1 by Moody's or AAA or A-1 by S&P) by (i) any two nationally
recognized  statistical  rating  organizations  ("NRSRO's") or, (ii) if rated by
only one NRSRO,  by that NRSRO;  (2) if issued by an issuer that has  short-term
debt  obligations of comparable  maturity,  priority,  and security and that are
rated in the highest rating category by (i) any two NRSRO's or, (ii) if rated by
only one NRSRO, by that NRSRO; or (3) an unrated  security that is of comparable
quality to a security  in the  highest  rating  category  as  determined  by the
Investment Manager. With respect to 5% of its total assets, measured at the time
of investment, Cash Fund may also invest in money market instruments that are in
the second-highest  rating category for short-term debt obligations (e.g., rated
Aa or Prime-2 by Moody's or AA or A-2 by S&P). A money market instrument will be
considered  to be in the  second-highest  rating  category  under  the  criteria
described  above with respect to  instruments  considered  highest  quality,  as
applied to instruments in the second-highest rating category.  See Appendix A to
the  Prospectus  for a  description  of the principal  types of  securities  and
instruments  in which the Fund will invest as well as a description of the above
mentioned ratings.

Cash Fund may not invest more than 5% of its total assets,  measured at the time
of  investment,  in the  securities  of any one issuer  that are of the  highest
quality  or more  than the  greater  of 1% of its total  assets  or  $1,000,000,
measured at the time of investment,  in securities of any one issuer that are in
the  second-highest  rating category,  except that these  limitations  shall not
apply to U.S. Government  securities.  The Fund may exceed the 5% limitation for
up to three business days after the purchase of the securities of any one issuer
that  are of  the  highest  quality,  provided  that  the  Fund  does  not  have
outstanding  at any time more  than one such  investment.  In the event  that an
instrument acquired by Cash Fund is downgraded,  the Investment  Manager,  under
procedures  approved by the Board of Directors,  shall promptly reassess whether
such  security  presents  minimal  credit risk and  determine  whether or not to
retain the  instrument,  or Investment  Manager may forego the  reassessment  of
credit risk if the security is disposed of or matures  within five business days
of downgrade and the Board is subsequently  notified of the Investment Manager's
actions.  In the event that an instrument  acquired by Cash Fund ceases to be of
the quality that is eligible for the Fund,  the Fund shall  promptly  dispose of
the  instrument in an orderly  manner  unless the Board of Directors  determines
that this would not be in the best interests of the Fund.

Cash Fund may acquire one or more of the above  types of  securities  subject to
repurchase agreements.  A repurchase transaction involves a purchase by the Fund
of a security from a selling financial institution,  such as a bank, savings and
loan association or broker/dealer, which agrees to repurchase such security at a
specified  price and at a fixed time in the future,  usually not more than seven
days from the date of  purchase.  Not more than 10% of Cash Fund's  total assets
will be invested in illiquid assets,  which include  repurchase  agreements with
maturities of more than seven days. See the discussion of repurchase  agreements
under "Investment Methods and Risk Factors."

Cash Fund may borrow  money  from banks as a  temporary  measure  for  emergency
purposes or to facilitate  redemption  requests.  Borrowing is discussed in more
detail  under  "Investment  Methods and Risk  Factors."  Pending  investment  in
securities or to meet potential redemptions, the Fund may invest in certificates
of deposit, bank demand accounts and high quality money market instruments.

Cash Fund may also invest in guaranteed  investment contracts ("GICs") issued by
insurance companies,  subject to the Fund's policy that not more than 10% of the
Fund's total assets will be invested in illiquid  assets.  See the discussion of
GICs under "Investment Methods and Risk Factors."

RULE 144A  SECURITIES.  Certain of the  securities  acquired by Cash Fund may be
restricted as to disposition under federal  securities laws,  provided that such
restricted  securities  are  eligible  for  resale  to  qualified  institutional
investors  pursuant  to  Rule  144A  under  the  Securities  Act  of  1933  (the
"Securities  Act"). Rule 144A provides a nonexclusive safe harbor exemption from
the  registration  requirements  of the Securities Act for the resale of certain
securities to certain qualified buyers.  One of the primary purposes of the Rule
is to create some resale  liquidity for certain  securities that would otherwise
be treated as illiquid investments. In accordance with Cash Fund's policies, the
Fund is not  permitted  to  invest  more  than 10% of its  total  net  assets in
illiquid   securities.   See  the  discussion  of  Rule  144A  Securities  under
"Investment Methods and Risk Factors."

VARIABLE RATE INSTRUMENTS.  Cash Fund may invest in instruments  having rates of
interest that are adjusted periodically according to a specified market rate for
such investments ("Variable Rate Instruments").  The interest rate on a Variable
Rate Instrument is ordinarily determined by reference to, or is a percentage of,
an objective  standard  such as a bank's prime rate or the 91-day U.S.  Treasury
Bill rate. Cash Fund does not purchase  certain  Variable Rate  Instruments that
have a preset cap above which the rate of interest may not rise. Generally,  the
changes in the interest rate on Variable Rate Instruments 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.  Cash Fund determines the maturity of Variable Rate
Instruments  in accordance  with Rule 2a-7 under the  Investment  Company Act of
1940 which  allows the Fund  generally  to consider  the  maturity  date of such
instruments  to be the  period  remaining  until  the next  readjustment  of the
interest rate rather than the maturity date on the face of the instrument.

While  Cash Fund does not  intend to  engage in  short-term  trading,  portfolio
securities  may be sold without regard to the length of time that they have been
held. A portfolio  security could be sold prior to maturity to take advantage of
new investment  opportunities  or yield  differentials,  or to preserve gains or
limit losses due to changing economic  conditions or the financial  condition of
the  issuer,  or for other  reasons.  While Cash Fund is expected to have a high
portfolio turnover due to the short maturities of its portfolio securities, this
should  not  affect  the  Fund's  income  or net  asset  value  since  brokerage
commissions  are not normally  paid in  connection  with the purchase or sale of
money market instruments.

Cash Fund will invest in money market  instruments of varying maturities (but no
longer than 13 months) in an effort to earn as high a level of current income as
is consistent with  preservation  of capital and liquidity.  The Fund intends to
maintain a weighted  average maturity in its portfolio of not more than 90 days.
In  addition  to  general  market  risks,   Fund  investments  in  nongovernment
obligations are subject to the ability of the issuer to satisfy its obligations.

Cash  Fund  also  intends  to  maintain  a net  asset  value per share of $1.00,
although  there can be no  assurance  it will be able to do so. It is the Fund's
policy to  declare  dividends  on a daily  basis of an  amount  equal to the net
income plus or minus any realized  capital gains or losses.  (See "Dividends and
Taxes," page 49.)

INVESTMENT METHODS
AND RISK FACTORS

Some  of the  risk  factors  related  to  certain  securities,  instruments  and
techniques  that may be used by one or more of the  Funds are  described  in the
sections of the Prospectus  entitled "Funds' Principal  Investment  Strategies",
"Main Risks" and "Investment  Policies and Management  Practices." The following
is  a  description  of  certain  additional  risk  factors  related  to  various
securities,  instruments  and  techniques.  The risks so described only apply to
those Funds which may invest in such  securities  and  instruments  or which use
such  techniques.  Also  included  is a  general  description  of  some  of  the
investment instruments,  techniques and methods which may be used by one or more
of the Funds. The methods described only apply to those Funds which may use such
methods.  Although a Fund may employ the  techniques,  instruments  and  methods
described below,  consistent with its investment  objective and policies and any
applicable law, no Fund will be required to do so.

GENERAL RISK FACTORS -- Each Fund's net asset value will  fluctuate,  reflecting
fluctuations in the market value of its portfolio positions.  The value of fixed
income securities held by the Funds generally fluctuates inversely with interest
rate  movements.  In other words,  bond prices  generally fall as interest rates
rise and generally  rise as interest  rates fall.  Longer term bonds held by the
Funds are subject to greater  interest rate risk. There is no assurance that any
Fund will achieve its investment objective.

REPURCHASE  AGREEMENTS,  REVERSE REPURCHASE  AGREEMENTS AND ROLL TRANSACTIONS --
Each of the Funds may enter into repurchase  agreements.  Repurchase  agreements
are  transactions  in which the  purchaser  buys a debt  security from a bank or
recognized securities dealer and simultaneously  commits to resell that security
to the bank or dealer at an agreed upon price,  date and market rate of interest
unrelated to the coupon rate or maturity of the purchased  security.  Repurchase
agreements  are  considered  to be  loans  which  must be  fully  collateralized
including  interest  earned thereon during the entire term of the agreement.  If
the  institution  defaults  on the  repurchase  agreement,  the Fund will retain
possession of the underlying securities. If bankruptcy proceedings are commenced
with respect to the seller,  realization  on the  collateral  by the Fund may be
delayed or limited and the Fund may incur  additional  costs.  In such case, the
Fund will be subject to risks  associated  with  changes in market  value of the
collateral securities. The Fund intends to enter into repurchase agreements only
with  banks  and  broker/dealers  believed  to  present  minimal  credit  risks.
Accordingly,  the Funds  will  enter into  repurchase  agreements  only with (a)
brokers  having  total  capitalization  of at least $40  million  and a ratio of
aggregate indebtedness to net capital of no more than 4 to 1, or, alternatively,
net capital  equal to 6% of  aggregate  debit  balances,  or (b) banks having at
least $1 billion  in assets  and a net worth of at least $100  million as of its
most recent annual report.  In addition,  the aggregate  repurchase price of all
repurchase  agreements  held by the Fund with any broker shall not exceed 15% of
the total assets of the Fund or $5 million, whichever is greater.

The High Yield Fund may also enter into reverse  repurchase  agreements with the
same parties with whom it may enter into repurchase agreements.  Under a reverse
repurchase  agreement,  the Fund would sell  securities  and agree to repurchase
them at a  particular  price at a future  date.  Reverse  repurchase  agreements
involve  the risk that the market  value of the  securities  retained in lieu of
sale by a Fund may decline below the price of the  securities  the Fund has sold
but is obligated to  repurchase.  In the event the buyer of  securities  under a
reverse  repurchase  agreement files for bankruptcy or becomes  insolvent,  such
buyer or its trustee or receiver  may receive an  extension of time to determine
whether to enforce the Fund's  obligation to repurchase the securities,  and the
Fund's use of the proceeds of the reverse  repurchase  agreement may effectively
be restricted pending such decision.

The High Yield Fund also may enter into "dollar  rolls," in which the Fund sells
fixed income  securities  for delivery in the current  month and  simultaneously
contracts to repurchase  substantially  similar (same type, coupon and maturity)
securities on a specified  future date.  During the roll period,  the Fund would
forego  principal  and  interest  paid on such  securities.  The  Fund  would be
compensated  by the  difference  between the current sales price and the forward
price for the future  purchase,  as well as by the  interest  earned on the cash
proceeds of the initial sale.

BORROWING  -- Each of the Funds  may  borrow  money  from  banks as a  temporary
measure for emergency purposes, or to facilitate redemption requests.

From time to time, it may be  advantageous  for the Funds to borrow money rather
than sell existing portfolio positions to meet redemption requests. Accordingly,
the Funds may borrow from banks and High Yield Fund may borrow  through  reverse
repurchase  agreements  and "roll"  transactions,  in  connection  with  meeting
requests for the redemption of Fund shares.  As an operating  policy,  each Fund
may borrow up to 10% of total Fund assets. In addition to this operating policy,
Cash Fund may not purchase  securities while borrowings equal to 5% of its total
assets are outstanding.  To the extent that a Fund purchases securities while it
has outstanding borrowings,  it is using leverage, i.e. using borrowed funds for
investment.  Leveraging  will  exaggerate  the effect on net asset  value of any
increase or decrease in the market value of a Fund's  portfolio.  Money borrowed
for  leveraging  will  be  subject  to  interest  costs  that  may or may not be
recovered  by  appreciation  of the  securities  purchased;  in  certain  cases,
interest  costs may exceed the return  received on the securities  purchased.  A
Fund also may be required to maintain  minimum  average  balances in  connection
with such  borrowing or to pay a  commitment  or other fee to maintain a line of
credit;  either of these  requirements would increase the cost of borrowing over
the stated  interest  rate.  It is not  expected  that Cash Fund would  purchase
securities while it had borrowings outstanding.

LENDING OF PORTFOLIO SECURITIES -- For the purpose of generating income, certain
of the Funds may make  secured  loans of Fund  securities  amounting to not more
than 33 1/3% of its total assets.  Securities loans are made to  broker/dealers,
institutional  investors, or other persons pursuant to agreements requiring that
the loans be  continuously  secured by collateral at least equal at all times to
the value of the  securities  loaned  marked to  market  on a daily  basis.  The
collateral received will consist of cash, U.S. Government securities, letters of
credit  or such  other  collateral  as may be  permitted  under  its  investment
program.  While the  securities  are being  loaned,  the Fund will  continue  to
receive the  equivalent  of the interest or dividends  paid by the issuer on the
securities,  as well as interest on the  investment  of the  collateral or a fee
from  the  borrower.  The  Fund has a right to call  each  loan and  obtain  the
securities  on five  business  days' notice or, in  connection  with  securities
trading on foreign  markets,  within such longer period of time which  coincides
with the normal  settlement period for purchases and sales of such securities in
such foreign markets.  The Fund will not have the right to vote securities while
they are being loaned,  but it will call a loan in anticipation of any important
vote. The risks in lending  portfolio  securities,  as with other  extensions of
secured credit,  consist of possible delay in receiving additional collateral or
in the recovery of the  securities or possible loss of rights in the  collateral
should the borrower fail financially.  Loans will only be made to persons deemed
by the Investment Manager to be of good standing and will not be made unless, in
the judgment of the Investment Manager, the consideration to be earned from such
loans would justify the risk.

GUARANTEED  INVESTMENT  CONTRACTS ("GICS") -- Certain of the Funds may invest in
GICs.  When  investing in GICs, the Fund makes cash  contributions  to a deposit
fund of an insurance  company's  general  account.  The  insurance  company then
credits  guaranteed  interest to the deposit fund on a monthly  basis.  The GICs
provide that this  guaranteed  interest will not be less than a certain  minimum
rate.  The  insurance  company  may assess  periodic  charges  against a GIC for
expenses  and service  costs  allocable  to it, and the charges will be deducted
from the value of the deposit fund.  Cash Fund may invest only in GICs that have
received the  requisite  ratings by one or more  NRSROs.  Because a Fund may not
receive  the  principal  amount of a GIC from the  insurance  company on 7 days'
notice or less,  the GIC is considered an illiquid  investment.  In  determining
average  portfolio  maturity,  GICs  generally will be deemed to have a maturity
equal  to the  period  of time  remaining  until  the next  readjustment  of the
guaranteed interest rate.

RESTRICTED  SECURITIES (RULE 144A SECURITIES) -- Certain of the Funds may invest
in  restricted  securities  which  are  securities  that  are  restricted  as to
disposition under the federal securities laws, provided that such securities are
eligible for resale to qualified  institutional  investors pursuant to Rule 144A
under the  Securities  Act of 1933.  Rule 144A permits the resale to  "qualified
institutional buyers" of "restricted  securities" that, when issued, were not of
the same class as securities listed on a U.S.  securities  exchange or quoted in
the National  Association of Securities Dealers Automated  Quotation System (the
"Rule 144A Securities").  A "qualified  institutional  buyer" is defined by Rule
144A generally as an institution, acting for its own account or for the accounts
of other qualified  institutional buyers, that in the aggregate owns and invests
on a  discretionary  basis at least $100  million in  securities  of issuers not
affiliated  with the  institution.  A dealer  registered  under  the  Securities
Exchange  Act of 1934 (the  "Exchange  Act"),  acting for its own account or the
accounts of other qualified institutional buyers, that in the aggregate owns and
invests on a  discretionary  basis at least $10 million in securities of issuers
not  affiliated  with the dealer may also  qualify as a qualified  institutional
buyer,  as well as an  Exchange  Act  registered  dealer  acting  in a  riskless
principal transaction on behalf of a qualified institutional buyer.

The Funds' Board of Directors is responsible  for  developing  and  establishing
guidelines and procedures for determining the liquidity of Rule 144A Securities.
As  permitted  by  Rule  144A,   the  Board  of  Directors  has  delegated  this
responsibility to the Investment Manager. In making the determination  regarding
the  liquidity of Rule 144A  Securities,  the  Investment  Manager will consider
trading markets for the specific  security taking into account the  unregistered
nature  of a Rule  144A  security.  In  addition,  the  Investment  Manager  may
consider:  (1) the frequency of trades and quotes; (2) the number of dealers and
potential  purchasers;  (3) dealer  undertakings  to make a market;  and (4) the
nature of the security and of the market place trades (e.g.,  the time needed to
dispose of the security,  the method of  soliciting  offers and the mechanics of
transfer). Investing in Rule 144A Securities could have the effect of increasing
the amount of a Fund's assets invested in illiquid securities to the extent that
qualified  institutional buyers become  uninterested,  for a time, in purchasing
these securities.

Certain  of the  Funds  also may  purchase  restricted  securities  that are not
eligible for resale pursuant to Rule 144A. The Funds may acquire such securities
through  private  placement  transactions,  directly  from  the  issuer  or from
security  holders,  generally  at higher  yields or on terms more  favorable  to
investors than comparable publicly traded securities.  However, the restrictions
on resale of such  securities  may make it difficult  for the Fund to dispose of
such  securities at the time considered  most  advantageous,  and/or may involve
expenses that would not be incurred in the sale of  securities  that were freely
marketable.  Risks associated with restricted  securities  include the potential
obligation  to pay all or part of the  registration  expenses  in  order to sell
certain restricted securities.  A considerable period of time may elapse between
the  time of the  decision  to sell a  security  and the  time  the  Fund may be
permitted to sell it under an effective  registration  statement.  If,  during a
period, adverse conditions were to develop, a Fund might obtain a less favorable
price than prevailing when it decided to sell.

RISKS ASSOCIATED WITH LOWER-RATED DEBT SECURITIES (JUNK BONDS) -- Certain of the
Funds may invest in higher  yielding debt securities in the lower rating (higher
risk)  categories of the recognized  rating  services  (commonly  referred to as
"junk  bonds").  Debt rated BB, B, CCC, CC and C by S&P and rated Ba, B, Caa, Ca
and C by Moody's,  is 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  obligation.  For S&P, BB indicates the lowest
degree of speculation and C the highest degree of speculation.  For Moody's,  Ba
indicates  the  lowest  degree  of  speculation  and C  the  highest  degree  of
speculation.  While  such debt will  likely  have some  quality  and  protective
characteristics,  these are  outweighed  by large  uncertainties  or major  risk
exposures  to adverse  conditions.  Similarly,  debt rated Ba or BB and below is
regarded by the relevant rating agency as  speculative.  Debt rated C by Moody's
or S&P is the lowest  quality  debt that is not in default  as to  principal  or
interest  and such  issues so rated can be  regarded  as having  extremely  poor
prospects of ever attaining any real  investment  standing.  Such securities are
also  generally  considered  to be subject to greater  risk than higher  quality
securities  with  regard to a  deterioration  of  general  economic  conditions.
Ratings of debt securities represent the rating agency's opinion regarding their
quality and are not a guarantee of quality.  Rating agencies attempt to evaluate
the safety of principal  and interest  payments and do not evaluate the risks of
fluctuations  in market  value.  Also,  rating  agencies may fail to make timely
changes in credit quality in response to subsequent  events, so that an issuer's
current financial condition may be better or worse than a rating indicates.

The market value of lower  quality debt  securities  tend to reflect  individual
developments  of  the  issuer  to  a  greater  extent  than  do  higher  quality
securities,  which react  primarily  to  fluctuations  in the  general  level of
interest  rates.  In addition,  lower  quality debt  securities  tend to be more
sensitive to economic  conditions and generally  have more volatile  prices than
higher quality securities.  Issuers of lower quality securities are often highly
leveraged  and may not  have  available  to them  more  traditional  methods  of
financing.  For example,  during an economic  downturn or a sustained  period of
rising interest rates,  highly leveraged issuers of lower quality securities may
experience  financial  stress.  During such  periods,  such 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  developments  affecting the issuer,  such as the issuer's inability to
meet specific  projected  business forecasts or the unavailability of additional
financing.  Similarly,  certain  emerging  market  governments  that issue lower
quality  debt  securities  are among the largest  debtors to  commercial  banks,
foreign  governments and supranational  organizations such as the World Bank and
may not be able or willing to make principal and/or interest  repayments as they
come due. The risk of loss due to default by the issuer is significantly greater
for the  holders  of  lower  quality  securities  because  such  securities  are
generally unsecured and are often subordinated to other creditors of the issuer.

Lower  quality debt  securities  of corporate  issuers  frequently  have call or
buy-back  features  which  would  permit  an issuer  to call or  repurchase  the
security from the Fund. If an issuer  exercises these  provisions in a declining
interest  rate market,  the Fund may have to replace the  security  with a lower
yielding security,  resulting in a decreased return for investors.  In addition,
the Fund may have difficulty disposing of lower quality securities because there
may be a thin trading  market for such  securities.  There may be no established
retail secondary market for many of these  securities,  and the Fund anticipates
that  such  securities  could be sold only to a limited  number  of  dealers  or
institutional  investors. The lack of a liquid secondary market also may have an
adverse  impact  on  market  prices  of such  instruments  and may  make it more
difficult  for the Fund to obtain  accurate  market  quotations  for purposes of
valuing the securities in the portfolio of the Fund.

Adverse publicity and investor perceptions,  whether or not based on fundamental
analysis,   may  also  decrease  the  values  and  liquidity  of  lower  quality
securities,  especially  in a thinly  traded  market.  The High  Yield  Fund may
acquire  lower quality debt  securities  during an initial  underwriting  or may
acquire lower quality debt securities which are sold without  registration under
applicable  securities laws. Such securities involve special  considerations and
risks.

Factors having an adverse  effect on the market value of lower rated  securities
or their  equivalents  purchased by a Fund will adversely impact net asset value
of the Fund.  In addition  to the  foregoing,  such  factors  may  include:  (i)
potential adverse publicity;  (ii) heightened sensitivity to general economic or
political  conditions;  and (iii) the likely  adverse impact of a major economic
recession.  The Fund  also may incur  additional  expenses  to the  extent it is
required to seek recovery upon a default in the payment of principal or interest
on its portfolio  holdings,  and the Fund may have limited legal recourse in the
event of a default.  Debt securities  issued by governments in emerging  markets
can differ from debt  obligations  issued by private  entities in that  remedies
from  defaults  generally  must  be  pursued  in the  courts  of the  defaulting
government,  and legal  recourse is  therefore  somewhat  diminished.  Political
conditions, in terms of a government's willingness to meet the terms of its debt
obligations,  also are of considerable  significance.  There can be no assurance
that the  holders of  commercial  bank debt would not  contest  payments  to the
holders of debt  securities  issued by  governments  in emerging  markets in the
event of default by the governments under commercial bank loan agreements.

The Investment Manager will attempt to minimize the speculative risks associated
with  investments in lower quality  securities  through  credit  analyses and by
carefully  monitoring current trends in interest rates,  political  developments
and other factors. Nonetheless, investors should carefully review the investment
objectives  and policies of the Funds and consider  their  ability to assume the
investment risks involved before making an investment in the Funds.

CONVERTIBLE  SECURITIES  AND WARRANTS -- Certain of the Funds may invest in debt
or preferred  equity  securities  convertible  into or  exchangeable  for equity
securities.  Traditionally,   convertible  securities  have  paid  dividends  or
interest  at rates  higher  than  common  stocks but lower  than  nonconvertible
securities.  They generally  participate in the  appreciation or depreciation of
the underlying stock into which they are convertible, but to a lesser degree. In
recent years,  convertibles  have been  developed  which combine higher or lower
current  income with options and other  features.  Warrants are options to buy a
stated number of shares of common stock at a specified price any time during the
life of the warrants (generally two or more years).

MORTGAGE-BACKED SECURITIES AND COLLATERALIZED MORTGAGE OBLIGATIONS -- Certain of
the Funds may invest in mortgage-backed  securities  (MBSs),  including mortgage
pass-through  securities and collateralized  mortgage  obligations  (CMOs). MBSs
include certain  securities issued or guaranteed by the United States Government
or one of its agencies or  instrumentalities,  such as the  Government  National
Mortgage  Association (GNMA),  Federal National Mortgage  Association (FNMA), or
Federal Home Loan Mortgage  Corporation  (FHLMC);  securities  issued by private
issuers that represent an interest in or are  collateralized by  mortgage-backed
securities issued or guaranteed by the U.S. Government or one of its agencies or
instrumentalities;  and securities  issued by private  issuers that represent an
interest in or are  collateralized  by mortgage  loans. A mortgage  pass-through
security  is a pro rata  interest  in a pool of  mortgages  where  the cash flow
generated from the mortgage collateral is passed through to the security holder.
CMOs are  obligations  fully  collateralized  by a  portfolio  of  mortgages  or
mortgage-related securities. Certain of the Funds may invest in securities known
as "inverse floating obligations," "residual interest bonds," or "interest-only"
(IO) and "principal-only"  (PO) bonds, the market values of which will generally
be more  volatile  than the  market  values of most MBSs.  An  inverse  floating
obligation is a derivative  adjustable  rate  security with interest  rates that
adjust or vary inversely to changes in market interest rates. The term "residual
interest"  bond is used  generally to describe  those  instruments in collateral
pools,  such as CMOs,  which receive any excess cash flow  generated by the pool
once all other  bondholders and expenses have been paid. IOs and POs are created
by  separating  the  interest  and  principal  payments  generated  by a pool of
mortgage-backed bonds to create two classes of securities.  Generally, one class
receives  interest  only  payments  (IOs) and the  other  class  principal  only
payments  (POs).  MBSs  have  been  referred  to as  "derivatives"  because  the
performance of MBSs is dependent upon and derived from underlying securities.

CMOs may be issued in a variety of  classes  and the Funds may invest in several
CMO  classes,  including,  but not  limited to  Floaters,  Planned  Amortization
Classes (PACs), Scheduled Classes (SCHs), Sequential Pay Classes (SEQs), Support
Classes  (SUPs),  Target  Amortization  Classes  (TACs) and  Accrual  Classes (Z
Classes).  CMO classes vary in the rate and time at which they receive principal
and interest  payments.  SEQs, also called plain vanilla,  clean pay, or current
pay classes,  sequentially  receive principal payments from underlying  mortgage
securities  when the principal on a previous class has been completely paid off.
During the months  prior to their  receipt of principal  payments,  SEQs receive
interest  payments at the coupon rate on their  principal.  PACs are designed to
produce a stable cash flow of principal payments over a predetermined  period of
time.  PACs guard  against a certain level of  prepayment  risk by  distributing
prepayments  to  SUPs,  also  called  companion  classes.  TACs  pay a  targeted
principal payment schedule, as long as prepayments are not made at a rate slower
than an expected constant prepayment speed. If prepayments increase,  the excess
over the target is paid to SUPs. SEQs may have a less stable cash flow than PACs
and TACs and, consequently, have a greater potential yield. PACs generally pay a
lower yield than TACs  because of PACs' lower risk.  Because  SUPs are  directly
affected by the rate of prepayment of underlying mortgages,  SUPs may experience
volatile cash flow behavior. When prepayment speeds fluctuate,  the average life
of a SUP will vary.  SUPs,  therefore,  are  priced at a higher  yield than less
volatile classes of CMOs. Z Classes do not receive payments,  including interest
payments,  until certain  other classes are paid off. At that time,  the Z Class
begins to receive the accumulated interest and principal payments. A Floater has
a coupon rate that adjusts periodically  (usually monthly) by adding a spread to
a benchmark  index subject to a lifetime  maximum cap. The yield of a Floater is
sensitive to prepayment rates and the level of the benchmark index.

Investment in MBSs poses several risks, including prepayment,  market and credit
risks.  Prepayment  risk  reflects  the chance that  borrowers  may prepay their
mortgages faster than expected,  thereby affecting the investment's average life
and perhaps its yield.  Borrowers are most likely to exercise  their  prepayment
options  at a  time  when  it is  least  advantageous  to  investors,  generally
prepaying  mortgages as interest  rates fall,  and slowing  payments as interest
rates rise.  Certain  classes of CMOs may have priority over others with respect
to the receipt of  prepayments  on the mortgages and the Fund may invest in CMOs
which are subject to greater risk of prepayment as discussed above.  Market risk
reflects the chance that the price of the security may fluctuate  over time. The
price of MBSs may be particularly  sensitive to prevailing  interest rates,  the
length of time the security is expected to be  outstanding  and the liquidity of
the issue. In a period of unstable interest rates, there may be decreased demand
for certain  types of MBSs,  and a Fund invested in such  securities  wishing to
sell them may find it difficult to find a buyer,  which may in turn decrease the
price at which they may be sold.  Credit risk  reflects the chance that the Fund
may not  receive  all or part of its  principal  because  the  issuer  or credit
enhancer  has  defaulted  on  its  obligations.   Obligations   issued  by  U.S.
Government-related entities are guaranteed by the agency or instrumentality, and
some, such as GNMA  certificates,  are supported by the full faith and credit of
the U.S.  Treasury;  others are  supported  by the right of the issuer to borrow
from the  Treasury;  others,  such as those of the FNMA,  are  supported  by the
discretionary  authority  of  the  U.S.  Government  to  purchase  the  agency's
obligations;   still  others,   are   supported   only  by  the  credit  of  the
instrumentality.  Although securities issued by U.S. Government-related agencies
are guaranteed by the U.S. Government, its agencies or instrumentalities, shares
of the Fund are not so guaranteed in any way. The  performance  of private label
MBSs, issued by private institutions,  is based on the financial health of those
institutions.

ASSET-BACKED SECURITIES -- Certain of the Funds may also invest in "asset-backed
securities."  These include secured debt instruments backed by automobile loans,
credit card loans, home equity loans, manufactured housing loans and other types
of  secured  loans   providing  the  source  of  both  principal  and  interest.
Asset-backed  securities are subject to risks similar to those  discussed  above
with respect to MBSs.

REAL ESTATE  SECURITIES  -- High Yield Fund may invest in equity  securities  of
real estate investment trusts ("REITs") and other real estate industry companies
or companies with substantial real estate  investments and therefore,  such Fund
may be subject to certain risks  associated with direct ownership of real estate
and with the real estate industry in general. These risks include, among others:
possible declines in the value of real estate;  possible lack of availability of
mortgage funds;  extended vacancies of properties;  risks related to general and
local economic  conditions;  overbuilding;  increases in  competition,  property
taxes and operating  expenses;  changes in zoning laws; costs resulting from the
clean-up  of,  and  liability  to third  parties  for  damages  resulting  from,
environmental problems;  casualty or condemnation losses; uninsured damages from
floods, earthquakes or other natural disasters; limitations on and variations in
rents; and changes in interest rates.

REITs are pooled investment  vehicles which invest primarily in income producing
real estate or real  estate  related  loans or  interests.  REITs are  generally
classified as equity REITs,  mortgage REITs or hybrid REITs. Equity REITs invest
the  majority  of their  assets  directly  in real  property  and derive  income
primarily  from the collection of rents.  Equity REITs can also realize  capital
gains by selling  properties  that have  appreciated  in value.  Mortgage  REITs
invest the majority of their assets in real estate  mortgages  and derive income
from the  collection  of  interest  payments.  REITs  are not  taxed  on  income
distributed to  shareholders  provided they comply with several  requirements of
the  Internal  Revenue  Code,  as amended  (the  "Code").  Certain  REITs may be
self-liquidating  in that a specific  term of  existence  is provided for in the
trust  document.  Such  trusts run the risk of  liquidating  at an  economically
inopportune time.

WHEN-ISSUED  AND  FORWARD  COMMITMENT  SECURITIES  --  Certain  of the Funds may
purchase securities on a "when-issued" basis and may purchase or sell securities
on a "forward commitment" basis in order to hedge against anticipated changes in
interest  rates and prices.  The price,  which is  generally  expressed in yield
terms, is fixed at the time the commitment is made, but delivery and payment for
the securities  take place at a later date.  When-issued  securities and forward
commitments  may be sold prior to the settlement  date, but the Funds will enter
into  when-issued  and forward  commitments  only with the intention of actually
receiving or delivering the securities, as the case may be. No income accrues on
securities  which have been purchased  pursuant to a forward  commitment or on a
when-issued basis prior to delivery of the securities. If a Fund disposes of the
right to acquire a when-issued  security prior to its acquisition or disposes of
its right to  deliver or receive  against a forward  commitment,  it may incur a
gain or loss. At the time a Fund enters into a transaction  on a when-issued  or
forward  commitment  basis,  a segregated  account  consisting of cash or liquid
securities  equal  to  the  value  of  the  when-issued  or  forward  commitment
securities  will be established  and  maintained  with its custodian and will be
marked to market daily. There is a risk that the securities may not be delivered
and that the Fund may incur a loss.

OPTIONS AND FUTURES STRATEGIES --

WRITING COVERED CALL OPTIONS. Certain of the Funds may write (sell) covered call
options.  Covered  call  options  generally  will be written on  securities  and
currencies  which, in the opinion of the Investment  Manager are not expected to
make any major price moves in the near future but which, over the long term, are
deemed to be attractive investments.

A call  option  gives the holder  (buyer)  the right to  purchase a security  or
currency at a specified  price (the exercise  price) at any time until a certain
date (the  expiration  date).  So long as the obligation of the writer of a call
option  continues,  the  writer  may  be  assigned  an  exercise  notice  by the
broker/dealer  through  whom such option was sold,  requiring  it to deliver the
underlying  security or currency  against  payment of the exercise  price.  This
obligation  terminates  upon the expiration of the call option,  or such earlier
time at which the writer effects a closing purchase transaction by purchasing an
option identical to that previously  sold. The Investment  Manager believes that
writing  covered call  options is less risky than  writing  uncovered or "naked"
options, which the Funds will not do.

Portfolio  securities  on which call  options may be written  will be  purchased
solely on the basis of  investment  considerations  consistent  with that Fund's
investment  objectives.  When writing a covered call option,  the Fund in return
for the premium gives up the opportunity for profit from a price increase in the
underlying  security  above the  exercise  price,  and  retains the risk of loss
should the price of the security  decline.  Unlike one who owns  securities  not
subject to an option, a Fund has no control over when it may be required to sell
the underlying  securities,  since the option may be exercised at any time prior
to the option's  expiration.  If a call option which a Fund has written expires,
the Fund will  realize a gain in the amount of the premium;  however,  such gain
may be offset by a decline in the market value of the underlying security during
the option period.  If the call option is exercised,  a Fund will realize a gain
or loss from the sale of the underlying security.

The  premium  which a Fund  receives  for  writing  a call  option  is deemed to
constitute the market value of an option. The premium the Fund will receive from
writing a call option will reflect, among other things, the current market price
of the  underlying  security,  the  relationship  of the exercise  price to such
market price, the historical price  volatility of the underlying  security,  and
the length of the option period. In determining whether a particular call option
should be written on a particular security, the Investment Manager will consider
the  reasonableness of the anticipated  premium and the likelihood that a liquid
secondary  market will exist for those options.  The premium  received by a Fund
for writing  covered  call options will be recorded as a liability in the Fund's
statement of assets and  liabilities.  This  liability will be adjusted daily to
the option's  current market value,  which will be the latest sales price at the
time which the net asset value per share of the Fund is computed at the close of
regular trading on the NYSE (currently,  3:00 p.m. Central time, unless weather,
equipment  failure or other factors  contribute to an earlier closing time), or,
in the absence of such sale,  the latest  asked  price.  The  liability  will be
extinguished upon expiration of the option,  the purchase of an identical option
in a closing  transaction,  or  delivery  of the  underlying  security  upon the
exercise of the option.

Closing  transactions  will be  effected  in order  to  realize  a profit  on an
outstanding call option, to prevent an underlying security from being called, or
to permit the sale of the underlying security. Furthermore,  effecting a closing
transaction  will permit a Fund to write  another call option on the  underlying
security with either a different exercise price, expiration date or both. If the
Fund desires to sell a particular  security  from its  portfolio on which it has
written a call  option,  or  purchased  a put  option,  it will seek to effect a
closing  transaction  prior to, or concurrently  with, the sale of the security.
There  is no  assurance  that  the  Fund  will be able to  effect  such  closing
transactions  at  favorable  prices.  If  the  Fund  cannot  enter  into  such a
transaction,  it may be required to hold a security that it might otherwise have
sold,  in which case it would  continue to be at market risk with respect to the
security.

The Fund will pay  transaction  costs in connection  with the writing of options
and in entering into closing purchase  contracts.  Transaction costs relating to
options  activity  normally are higher than those  applicable  to purchases  and
sales of portfolio securities.

Call options  written by the Fund  normally will have  expiration  dates of less
than nine months from the date written. The exercise price of the options may be
below, equal to or above the current market values of the underlying  securities
at the time the options are written. From time to time, the Fund may purchase an
underlying  security for delivery in accordance  with the exercise of an option,
rather  than  delivering  such  security  from  its  portfolio.  In such  cases,
additional costs will be incurred.

The Fund will realize a profit or loss from a closing  purchase  transaction  if
the cost of the  transaction  is less or more,  respectively,  than the  premium
received from the writing of the option.  Because  increases in the market price
of a call option  generally  will  reflect  increases in the market price of the
underlying security,  any loss resulting from the repurchase of a call option is
likely  to be  offset  in whole  or in part by  appreciation  of the  underlying
security owned by the Fund.

PURCHASING CALL OPTIONS.  Certain Funds may purchase call options. As the holder
of a call  option,  the Fund would  have the right to  purchase  the  underlying
security at the exercise  price at any time during the option  period.  The Fund
may enter into closing sale transactions with respect to such options,  exercise
them or permit them to expire. Call options may be purchased by the Fund for the
purpose of acquiring the underlying security for its portfolio. Utilized in this
fashion,  the  purchase  of call  options  would  enable the Fund to acquire the
security at the  exercise  price of the call option  plus the premium  paid.  At
times,  the net cost of  acquiring  the security in this manner may be less than
the cost of acquiring the security  directly.  This technique also may be useful
to a Fund in purchasing a large block of securities that would be more difficult
to acquire by direct  market  purchases.  So long as it holds such a call option
rather than the underlying security itself, the Fund is partially protected from
any  unexpected  decline in the market price of the  underlying  security and in
such event could  allow the call option to expire,  incurring a loss only to the
extent of the premium paid for the option.

The Fund also may purchase  call  options on  underlying  securities  it owns in
order to protect  unrealized gains on call options  previously  written by it. A
call option would be purchased for this purpose where tax considerations make it
inadvisable to realize such gains through a closing purchase  transaction.  Call
options  also may be  purchased  at times to avoid  realizing  losses that would
result in a reduction of the Fund's current  return.  For example,  the Fund has
written a call option on an underlying  security  having a current  market value
below the price at which such security was purchased by the Fund, an increase in
the market price could result in the exercise of the call option  written by the
Fund and the  realization  of a loss on the  underlying  security  with the same
exercise price and expiration date as the option previously written.

Aggregate  premiums  paid for put and call  options  will not  exceed  5% of the
Fund's total assets at the time of purchase.

WRITING COVERED PUT OPTIONS. Certain of the Funds may write covered put options.
A put option gives the purchaser of the option the right to sell, and the writer
(seller) the  obligation to buy, the  underlying  security at the exercise price
during the option  period.  The option may be exercised at any time prior to its
expiration date. The operation of put options in other respects, including their
related risks and rewards, is substantially identical to that of call options.

The Fund would write put options only on a covered  basis,  which means that the
Fund would either (i) set aside cash or liquid  securities in an amount not less
than the exercise  price at all times while the put option is  outstanding  (the
rules of the Options Clearing Corporation  currently require that such assets be
deposited in escrow to secure  payment of the exercise  price),  (ii) sell short
the  security  underlying  the put  option at the same or higher  price than the
exercise  price  of the put  option,  or (iii)  purchase  a put  option,  if the
exercise  price of the  purchased  put  option  is the same or  higher  than the
exercise  price of the put option  sold by the Fund.  The Fund  generally  would
write covered put options in circumstances  where the Investment  Manager wishes
to purchase the  underlying  security for the Fund's  portfolio at a price lower
than the current  market price of the  security.  In such event,  the Fund would
write a put option at an exercise price which,  reduced by the premium  received
on the option,  reflects  the lower  price it is willing to pay.  Since the Fund
also would receive interest on debt securities  maintained to cover the exercise
price of the option,  this  technique  could be used to enhance  current  return
during periods of market  uncertainty.  The risk in such a transaction  would be
that the  market  price of the  underlying  security  would  decline  below  the
exercise price less the premiums received.

PURCHASING  PUT OPTIONS.  Certain of the Funds may purchase put options.  As the
holder of a put  option,  the Fund would  have the right to sell the  underlying
security at the exercise  price at any time during the option  period.  The Fund
may enter into closing sale transactions with respect to such options,  exercise
them or permit them to expire.

The Fund may purchase a put option on an underlying security  ("protective put")
owned  by the  Fund as a  hedging  technique  in order  to  protect  against  an
anticipated  decline  in the value of the  security.  Such hedge  protection  is
provided  only during the life of the put option when the Fund, as the holder of
the put option,  is able to sell the  underlying  security  at the put  exercise
price regardless of any decline in the underlying  security's  market price. For
example,  a  put  option  may  be  purchased  in  order  to  protect  unrealized
appreciation  of a security  when the  Investment  Manager deems it desirable to
continue to hold the security  because of tax  considerations.  The premium paid
for the put option and any  transaction  costs  would  reduce any  capital  gain
otherwise available for distribution when the security eventually is sold.

Certain Funds also may purchase put options at a time when the Fund does not own
the  underlying  security.  By purchasing  put options on a security it does not
own,  the Fund  seeks to  benefit  from a  decline  in the  market  price of the
underlying security.  If the put option is not sold when it has remaining value,
and if the market price of the underlying  security  remains equal to or greater
than the exercise  price  during the life of the put option,  the Fund will lose
its entire  investment  in the put  option.  In order for the  purchase of a put
option to be  profitable,  the  market  price of the  underlying  security  must
decline  sufficiently  below  the  exercise  price  to  cover  the  premium  and
transaction cost, unless the put option is sold in a closing sale transaction.

The premium paid by the Fund when purchasing a put option will be recorded as an
asset in the  Fund's  statement  of assets and  liabilities.  This asset will be
adjusted daily to the option's  current  market value,  which will be the latest
sale  price at the time at which  the net  asset  value per share of the Fund is
computed  (at the close of regular  trading on the NYSE),  or, in the absence of
such sale, the latest bid price. The asset will be extinguished  upon expiration
of the option, the writing of an identical option in a closing  transaction,  or
the delivery of the underlying security upon the exercise of the option.

INTEREST  RATE FUTURES  CONTRACTS.  Certain  Funds may enter into  interest rate
futures contracts  ("Futures" or "Futures Contracts") as a hedge against changes
in prevailing  levels of interest  rates.  A Fund's hedging may include sales of
Futures as an offset against the effect of expected increases in interest rates,
and purchases of Futures as an offset against the effect of expected declines in
interest rates.

The Funds will not enter into Futures  Contracts for  speculation  and will only
enter into Futures  Contracts which are traded on national futures exchanges and
are standardized as to maturity date and underlying  financial  instrument.  The
principal interest rate exchanges in the United States are the Board of Trade of
the City of Chicago and the Chicago Mercantile  Exchange.  Futures exchanges and
trading are regulated under the Commodity  Exchange Act by the Commodity Futures
Trading  Commission  ("CFTC").  Futures  are  exchanged  in London at the London
International Financial Futures Exchange.

Although techniques other than sales and purchases of Futures Contracts could be
used to reduce a Fund's exposure to interest rate fluctuations,  the Fund may be
able to hedge  exposure  more  effectively  and at a lower  cost  through  using
Futures Contracts.

The Fund will not enter into a Futures  Contract if, as a result  thereof,  more
than 5% of the  Fund's  total  assets  (taken  at  market  value  at the time of
entering  into the  contract)  would be  committed  to "margin"  (down  payment)
deposits on such Futures Contracts.

A Futures  Contract  provides  for the future sale by one party and  purchase by
another party of a specified  amount of a specific  financial  instrument  (debt
security) for a specified price at a designated date, time and place.  Brokerage
fees are incurred when a Futures Contract is bought or sold, and margin deposits
must be maintained at all times the Futures Contract is outstanding.

Although Futures Contracts  typically require future delivery of and payment for
financial  instruments,  Futures  Contracts  usually  are  closed out before the
delivery date. Closing out an open Futures Contract sale or purchase is effected
by entering into an offsetting Futures Contract purchase or sale,  respectively,
for the same aggregate amount of the identical financial instrument and the same
delivery date. If the  offsetting  purchase price is less than the original sale
price,  the Fund  realizes  a gain;  if it is more,  the Fund  realizes  a loss.
Conversely,  if the  offsetting  sale price is more than the  original  purchase
price,  the Fund realizes a gain; if it is less,  the Fund realizes a loss.  The
transaction costs also must be included in these  calculations.  There can be no
assurance,  however,  that the Fund  will be able to  enter  into an  offsetting
transaction with respect to a particular  Futures Contract at a particular time.
If the Fund is not able to enter into an offsetting  transaction,  the Fund will
continue to be required to maintain the margin deposits on the Futures Contract.
Persons who trade in Futures  Contracts  may be broadly  classified as "hedgers"
and "speculators."  Hedgers, such as the Funds, whose business activity involves
investment  or other  commitment in  securities  or other  obligations,  use the
Futures markets primarily to offset unfavorable  changes in value that may occur
because of fluctuations  in the value of the securities and obligations  held or
expected to be acquired by them.  Debtors and other  obligors also may hedge the
interest cost of their obligations.  The speculator,  like the hedger, generally
expects  neither to deliver nor to receive the financial  instrument  underlying
the Futures Contract,  but, unlike the hedger, hopes to profit from fluctuations
in prevailing interest rates.

The Fund's Futures  transactions  will be entered into for  traditional  hedging
purposes;  that is, Futures  Contracts will be sold to protect against a decline
in the price of  securities  that the Fund owns,  or Futures  Contracts  will be
purchased to protect the Fund against an increase in the price of  securities it
has committed to purchase or expects to purchase.

"Margin"  with respect to Futures  Contracts is the amount of funds that must be
deposited by the Fund, in a segregated  account with the Fund's broker, in order
to initiate Futures trading and to maintain the Fund's open positions in Futures
Contracts.  A margin  deposit  made when the Futures  Contract  is entered  into
("initial  margin") is intended to assure the Fund's  performance of the Futures
Contract.  The margin required for a particular  Futures  Contract is set by the
exchange  on  which  the  Futures  Contract  is  traded,  and  may  be  modified
significantly  from time to time by the exchange  during the term of the Futures
Contract.  Futures Contracts  customarily are purchased and sold on margins that
may range  upward from less than 5% of the value of the Futures  Contract  being
traded.

If the price of an open Futures  Contract  changes (by increase in the case of a
sale or by decrease  in the case of a purchase)  so that the loss on the Futures
Contract  reaches a point at which the margin on deposit does not satisfy margin
requirements, the broker will require an increase in the margin deposit ("margin
variation").  If the value of a position  increases  because of favorable  price
changes in the Futures  Contract so that the margin deposit exceeds the required
margin,  however, the broker will pay the excess to the Fund. In computing daily
net asset  values,  the Fund will mark to market the  current  value of its open
Futures  Contracts.  The Fund  expects  to earn  interest  income on its  margin
deposits.

MUNICIPAL BOND INDEX FUTURES  CONTRACTS.  The Municipal Bond Fund may enter into
municipal bond index futures contracts.  A municipal bond index futures contract
is an  agreement  to take or make  delivery  of an amount  of cash  equal to the
difference between the value of the index at the beginning and at the end of the
contract period. In a substantial majority of these transactions,  the Fund will
purchase such  securities  upon  termination of the futures  position but, under
unusual  market  conditions,  a futures  position may be terminated  without the
corresponding purchase of securities.

RISKS OF USING FUTURES  CONTRACTS.  The prices of Futures Contracts are volatile
and are influenced,  among other things,  by actual and  anticipated  changes in
interest rates,  which in turn are affected by fiscal and monetary  policies and
national and international political and economic events.

There is a risk of imperfect  correlation  between  changes in prices of Futures
Contracts and prices of the securities in the Fund's portfolio being hedged. The
degree of  imperfection  of  correlation  depends  upon  circumstances  such as:
variations in  speculative  market  demand for Futures and for debt  securities,
including technical  influences in Futures trading;  and differences between the
financial  instruments being hedged and the instruments  underlying the standard
Futures Contracts  available for trading,  with respect to interest rate levels,
maturities,  and  creditworthiness of issuers. A decision of whether,  when, and
how to hedge involves skill and judgment, and even a well-conceived hedge may be
unsuccessful  to some degree because of unexpected  market  behavior or interest
rate trends.

Because  of the low  margin  deposits  required,  Futures  trading  involves  an
extremely  high  degree of  leverage.  As a result,  a  relatively  small  price
movement in a Futures Contract may result in immediate and substantial  loss, as
well as gain, to the investor.  For example, if at the time of purchase,  10% of
the value of the Futures  Contract is  deposited  as margin,  a  subsequent  10%
decrease in the value of the Futures  Contract  would  result in a total loss of
the margin  deposit,  before any deduction  for the  transaction  costs,  if the
account were then closed out. A 15%  decrease  would result in a loss of 150% of
the original margin  deposit,  if the Contract were closed out. Thus, a purchase
or sale of a Futures  Contract  may  result  in  losses in excess of the  amount
invested  in the  Futures  Contract.  However,  the Fund  presumably  would have
sustained comparable losses if, instead of the Futures Contract, it had invested
in the underlying financial instrument and sold it after the decline.

Furthermore,  in the case of a Futures Contract purchase, in order to be certain
that the Fund has sufficient  assets to satisfy its obligations  under a Futures
Contract, the Fund sets aside and commits to back the Futures Contract an amount
of cash  and  liquid  securities  equal in  value  to the  current  value of the
underlying instrument less margin deposit.

In the case of a Futures  contract sale, the Fund either will set aside amounts,
as in the case of a Futures Contract purchase,  own the security  underlying the
contract or hold a call option  permitting the Fund to purchase the same Futures
Contract  at a price no higher  than the  contract  price.  Assets used as cover
cannot be sold while the position in the corresponding Futures Contract is open,
unless they are replaced with similar assets.  As a result,  the commitment of a
significant  portion  of the  Fund's  assets  to cover  could  impede  portfolio
management or the Fund's  ability to meet  redemption  requests or other current
obligations.

Most U.S. Futures exchanges limit the amount of fluctuation permitted in Futures
Contract  prices during a single  trading day. The daily limit  establishes  the
maximum  amount that the price of a Futures  Contract may vary either up or down
from the previous day's settlement  price at the end of a trading session.  Once
the daily limit has been reached in a particular  type of Futures  Contract,  no
trades may be made on that day at a price  beyond  that  limit.  The daily limit
governs only price movement  during a particular  trading day and therefore does
not limit  potential  losses,  because the limit may prevent the  liquidation of
unfavorable  positions.  Futures Contract prices  occasionally have moved to the
daily  limit for  several  consecutive  trading  days with little or no trading,
thereby  preventing prompt  liquidation of Futures positions and subjecting some
Futures traders to substantial losses.

OPTIONS  ON FUTURES  CONTRACTS.  Options on  Futures  Contracts  are  similar to
options  on  securities  except  that  options  on  Futures  Contracts  give the
purchaser  the right,  in return for the premium paid, to assume a position in a
Futures  Contract (a long position if the option is a call and a short  position
if the option is a put),  rather than to purchase or sell the Futures  Contract,
at a specified exercise price at any time during the period of the option.  Upon
exercise of the option,  the  delivery of the Futures  position by the writer of
the option to the holder of the option  will be  accompanied  by delivery of the
accumulated  balance in the writer's Futures margin account which represents the
amount by which the market price of the Futures Contract,  at exercise,  exceeds
(in the  case of a call) or is less  than  (in the  case of a put) the  exercise
price of the option on the Futures  Contract.  If an option is  exercised on the
last trading day prior to the expiration date of the option, the settlement will
be made entirely in cash equal to the  difference  between the exercise price of
the  option  and the  closing  level of the  securities  or index upon which the
Futures  Contracts are based on the expiration  date.  Purchasers of options who
fail to exercise  their  options prior to the exercise date suffer a loss of the
premium paid.

As an  alternative to purchasing  call and put options on Futures,  the Fund may
purchase  call and put options on the  underlying  securities  themselves.  Such
options  would be used in a manner  identical  to the use of  options on Futures
Contracts.

To reduce or eliminate  the leverage  then employed by the Fund, or to reduce or
eliminate the hedge  position then currently held by the Fund, the Fund may seek
to  close  out an  option  position  by  selling  an  option  covering  the same
securities or contract and having the same exercise price and  expiration  date.
Trading in options on Futures Contracts began relatively  recently.  The ability
to  establish  and close out  positions  on such  options will be subject to the
development and maintenance of a liquid secondary market. It is not certain that
this market will develop.

INTEREST RATE SWAPS -- The  Diversified  Income Fund and the High Yield Fund may
enter into interest rate,  total return and index swaps. The High Yield Fund may
also enter into the purchase or sale of related caps, floors and collars. A Fund
usually  will enter into  interest  rate swaps on a net basis if the contract so
provides,  that is, the two payment  streams are netted out in a cash settlement
on the  payment  date or  dates  specified  in the  instrument,  with  the  Fund
receiving  or  paying,  as the  case  may be,  only  the net  amount  of the two
payments.  Inasmuch as swaps, caps, floors and collars are entered into for good
faith hedging purposes,  the Funds and the Investment  Manager believe that they
do not constitute senior securities under the 1940 Act if appropriately  covered
and,  thus,  will  not  treat  them  as  being  subject  to a  Fund's  borrowing
restrictions.  A Fund will not enter into any swap, cap, floor,  collar or other
derivative transaction unless, at the time of entering into the transaction, the
unsecured  long-term  debt rating of the  counterparty  combined with any credit
enhancements  is rated at least A by Moody's or S&P or has an equivalent  rating
from a nationally recognized statistical rating organization or is determined to
be of equivalent  credit  quality by the Investment  Manager.  If a counterparty
defaults,  a Fund may  have  contractual  remedies  pursuant  to the  agreements
related to the transactions.  The swap market has grown  substantially in recent
years, with a large number of banks and investment  banking firms acting both as
principals and as agents utilizing standardized swap documentation. As a result,
the swap market has become relatively liquid.  Caps, floors and collars are more
recent innovations for which  standardized  documentation has not yet been fully
developed and, for that reason, they are less liquid than swaps.

EMERGING  COUNTRIES  -- Certain of the Funds may  invest in debt  securities  in
emerging  markets.  Investing in  securities  in emerging  countries  may entail
greater risks than investing in debt  securities in developed  countries.  These
risks include (i) less social, political and economic stability;  (ii) the small
current  size of the  markets  for  such  securities  and the  currently  low or
nonexistent  volume  of  trading,  which  result in a lack of  liquidity  and in
greater price volatility; (iii) certain national policies which may restrict the
Fund's investment opportunities, including restrictions on investment in issuers
or industries deemed sensitive to national interests; (iv) foreign taxation; and
(v) the absence of developed  structures governing private or foreign investment
or allowing for judicial redress for injury to private property.

FOREIGN  INVESTMENT   RESTRICTIONS  --  Certain  countries  prohibit  or  impose
substantial  restrictions on investments in their capital markets,  particularly
their equity markets,  by foreign entities such as the Funds. As  illustrations,
certain countries require governmental  approval prior to investments by foreign
persons,  or limit the amount of investment  by foreign  persons in a particular
company, or limit the investments by foreign persons to only a specific class of
securities of a company that may have less advantageous terms than securities of
the company available for purchase by nationals. Moreover, the national policies
of  certain  countries  may  restrict  investment  opportunities  in  issuers or
industries deemed sensitive to national interests.  In addition,  some countries
require governmental approval for the repatriation of investment income, capital
or the  proceeds  of  securities  sales by  foreign  investors.  A Fund could be
adversely   affected  by  delays  in,  or  a  refusal  to  grant,  any  required
governmental  approval for repatriation,  as well as by the application to it of
other restrictions on investments.

POLITICAL AND ECONOMIC  RISKS -- Investing in  securities of non-U.S.  companies
may  entail  additional  risks  due  to the  potential  political  and  economic
instability   of   certain   countries   and   the   risks   of   expropriation,
nationalization,  confiscation  or the  imposition  of  restrictions  on foreign
investment  and on  repatriation  of  capital  invested.  In the  event  of such
expropriation,  nationalization  or other  confiscation  by any country,  a Fund
could lose its entire investment in any such country.

An investment  in a Fund which  invests in non-U.S.  companies is subject to the
political and economic risks  associated  with  investments in foreign  markets.
Even though  opportunities  for  investment may exist in emerging  markets,  any
change in the leadership or policies of the governments of those countries or in
the leadership or policies of any other government which exercises a significant
influence  over  those  countries,  may halt the  expansion  of or  reverse  the
liberalization  of  foreign  investment   policies  now  occurring  and  thereby
eliminate any investment opportunities which may currently exist.

Investors should note that upon the accession to power of authoritarian regimes,
the governments of a number of emerging market countries previously expropriated
large  quantities of real and personal  property  similar to the property  which
will be  represented  by the  securities  purchased  by a Fund.  The  claims  of
property owners against those governments were never finally settled.  There can
be no assurance that any property  represented by securities purchased by a Fund
will not also be expropriated,  nationalized,  or otherwise confiscated. If such
confiscation  were to occur,  the Fund could lose a  substantial  portion of its
investments  in such  countries.  The  Fund's  investments  would  similarly  be
adversely affected by exchange control regulation in any of those countries.

RELIGIOUS AND ETHNIC INSTABILITY -- Certain countries in which a Fund may invest
may have vocal  minorities  that  advocate  radical  religious or  revolutionary
philosophies or support ethnic independence. Any disturbance on the part of such
individuals   could  carry  the  potential  for   wide-spread   destruction   or
confiscation  of property  owned by  individuals  and  entities  foreign to such
country and could cause the loss of the Fund's investment in those countries.

NON-UNIFORM  CORPORATE  DISCLOSURE  STANDARDS  AND  GOVERNMENTAL  REGULATION  --
Foreign  companies are subject to accounting,  auditing and financial  standards
and requirements that differ, in some cases significantly, from those applicable
to U.S. companies. In particular,  the assets, liabilities and profits appearing
on the  financial  statements  of such a company may not  reflect its  financial
position or results of  operations  in the way they would be reflected  had such
financial  statements been prepared in accordance with U.S.  generally  accepted
accounting principles. Most of the foreign securities held by a Fund will not be
registered  with the SEC or  regulators  of any  foreign  country,  nor will the
issuers thereof be subject to the SEC's reporting requirements. Thus, there will
be less available  information  concerning foreign issuers of securities held by
the Fund than is available  concerning  U.S.  issuers.  In  instances  where the
financial  statements  of an issuer  are not deemed to  reflect  accurately  the
financial  situation of the issuer, the Investment Manager will take appropriate
steps to evaluate the proposed investment,  which may include on-site inspection
of  the  issuer,   interviews  with  its  management  and   consultations   with
accountants, bankers and other specialists. There is substantially less publicly
available information about foreign companies than there are reports and ratings
published  about U.S.  companies  and the U.S.  Government.  In addition,  where
public  information is available,  it may be less reliable than such information
regarding U.S. issuers.

ADVERSE MARKET CHARACTERISTICS -- Securities of many foreign issuers may be less
liquid and their  prices  more  volatile  than  securities  of  comparable  U.S.
issuers.  In addition,  foreign  securities  exchanges and brokers generally are
subject to less  governmental  supervision  and regulation than in the U.S., and
foreign  securities   exchange   transactions   usually  are  subject  to  fixed
commissions,  which  generally are higher than  negotiated  commissions  on U.S.
transactions.  In addition,  foreign  securities  exchange  transactions  may be
subject to  difficulties  associated  with the settlement of such  transactions.
Delays in settlement  could result in temporary  periods when assets of the Fund
are  uninvested  and no return is earned  thereon.  The inability of the Fund to
make intended  security  purchases due to settlement  problems could cause it to
miss attractive opportunities.  Inability to dispose of a portfolio security due
to  settlement  problems  either  could  result  in  losses  to the  Fund due to
subsequent  declines  in value of the  portfolio  security  or,  if the Fund has
entered into a contract to sell the security, could result in possible liability
to the purchaser.  The Investment  Manager will consider such  difficulties when
determining the allocation of the Fund's assets.

NON-U.S.  WITHHOLDING TAXES -- A Fund's investment income and gains from foreign
issuers may be subject to non-U.S. withholding and other taxes, thereby reducing
the Fund's investment income and gains.

COSTS -- Investors  should  understand  that the expense ratio of the Funds that
invest in  foreign  securities  can be  expected  to be higher  than  investment
companies  investing in domestic  securities  since the cost of maintaining  the
custody of foreign  securities  and the rate of advisory  fees paid by the Funds
are higher.

EASTERN  EUROPE -- Changes  occurring  in Eastern  Europe and Russia today could
have long-term potential  consequences.  As restrictions fall, this could result
in rising  standards of living,  lower  manufacturing  costs,  growing  consumer
spending, and substantial economic growth. However,  investment in the countries
of Eastern Europe and Russia is highly  speculative at this time.  Political and
economic  reforms  are too  recent  to  establish  a  definite  trend  away from
centrally-planned economies and state owned industries. In many of the countries
of Eastern  Europe and Russia,  there is no stock  exchange or formal market for
securities.   Such  countries  may  also  have  government   exchange  controls,
currencies  with  no  recognizable  market  value  relative  to the  established
currencies of western  market  economies,  little or no experience in trading in
securities, no financial reporting standards, a lack of a banking and securities
infrastructure  to handle such  trading,  and a legal  tradition  which does not
recognize  rights in private  property.  In addition,  these  countries may have
national  policies which restrict  investments in companies  deemed sensitive to
the country's national interest.

AMERICAN  DEPOSITARY  RECEIPTS (ADRS) -- The High Yield Fund may invest in ADRs.
ADRs are  dollar-denominated  receipts issued  generally by U.S. banks and which
represent the deposit with the bank of a foreign company's securities.  ADRs are
publicly traded on exchanges or over-the-counter in the United States. Investors
should  consider  carefully  the  substantial  risks  involved in  investing  in
securities issued by companies of foreign nations,  which are in addition to the
usual  risks  inherent  in  domestic   investments.   See  "Foreign   Investment
Restrictions," above.

INVESTMENT POLICY LIMITATIONS

Each of the Funds operate within certain fundamental policies. These fundamental
policies  may not be changed  without  the  approval of the lesser of (i) 67% or
more of the Fund's shares present at a meeting of shareholders if the holders of
more than 50% of the  outstanding  shares of the Fund are present or represented
by  proxy,  or  (ii)  more  than  50%  of a  Fund's  outstanding  shares.  Other
restrictions  in the form of  operating  policies  are  subject to change by the
Fund's  Board  of  Directors  without  shareholder   approval.   Any  investment
restrictions that involve a maximum percentage of securities or assets shall not
be  considered  to be  violated  unless an  excess  over the  percentage  occurs
immediately  after, and is caused by, an acquisition of securities or assets of,
or  borrowings  by,  the  Fund.  Calculation  of the  Fund's  total  assets  for
compliance  with any of the following  fundamental or operating  policies or any
other investment restrictions set forth in the Fund's prospectus or Statement of
Additional  Information will not include cash collateral held in connection with
a Fund's securities lending activities.

FUNDAMENTAL  POLICIES -- The  fundamental  policies of the Funds
are:

1.  PERCENT LIMIT ON ASSETS INVESTED IN ANY ONE ISSUER.  Not to invest more than
    5% of its total  assets in the  securities  of any one  issuer  (other  than
    obligations  of, or  guaranteed  by, the U.S.  Government,  its  agencies or
    instrumentalities); provided, that this limitation applies only with respect
    to 75% of a Fund's total assets.

2.  PERCENT  LIMIT ON SHARE  OWNERSHIP  OF ANY ONE  ISSUER.  Not to  purchase  a
    security  if, as a result,  with  respect  to 75% of the value of the Fund's
    total assets,  more than 10% of the outstanding voting securities of any one
    issuer  would  be  held  by the  Fund  (other  than  obligations  issued  or
    guaranteed by the U.S. Government, its agencies or instrumentalities).

3.  UNDERWRITING.  Not to act as  underwriter  of  securities  issued by others,
    except to the extent that a Fund may be considered an underwriter within the
    meaning  of the  Securities  Act of 1933 in the  disposition  of  restricted
    securities.

4.  INDUSTRY  CONCENTRATION.  Not to invest in an amount  equal to, or in excess
    of, 25% or more of the Fund's total assets in a particular  industry  (other
    than securities of the U.S. Government, its agencies or instrumentalities).

5.  REAL ESTATE. Not to purchase or sell real estate unless acquired as a result
    of ownership of securities or other  instruments (but this shall not prevent
    a Fund from  investing in  securities  or other  instruments  backed by real
    estate or securities of companies engaged in the real estate business).

6.  COMMODITIES.  Not to purchase or sell  physical  commodities,  except that a
    Fund may enter into futures contracts and options thereon.

7.  LOANS. Not to lend any security or make any other loan if, as a result, more
    than 33 1/3% of a Fund's total assets would be lent to other parties, except
    (i) through  the  purchase  of a portion of an issue of debt  securities  in
    accordance with its investment  objective and policies,  or (ii) by engaging
    in repurchase agreements with respect to portfolio securities.

8.  BORROWING. Not to borrow in excess of 33 1/3% of the Fund's total assets.

9.  SENIOR SECURITIES. Not to issue senior securities, except as permitted under
    the Investment Company Act of 1940.

MUNICIPAL BOND FUND. The following  fundamental policy applies only to Municipal
Bond Fund:

10. TAX-EXEMPT  SECURITIES.  Not to  invest  less  than  80% of  its  assets  in
    securities which are exempt from regular federal income tax but which may be
    subject to alternative minimum tax, except for temporary defensive purposes.

The Corporate Bond,  Diversified  Income,  Limited  Maturity Bond and High Yield
Funds interpret  Fundamental  Policy (5) to prohibit the purchase of real estate
limited partnerships.

For  purposes  of  Fundamental  Policies  (2) and (4) above,  each  governmental
subdivision,  i.e.,  state,  territory,  possession  of the United States or any
political subdivision of any of the foregoing, including agencies,  authorities,
instrumentalities,  or similar entities, or of the District of Columbia shall be
considered a separate  issuer if its assets and revenues are separate from those
of the governmental  body creating it and the security is backed only by its own
assets and revenues.  Further, in the case of an industrial development bond, if
the  security  is backed only by the assets and  revenues of a  non-governmental
user, then such  non-governmental  user will be deemed to be the sole issuer. If
an industrial  development bond or government issued security is guaranteed by a
governmental  or other  entity,  such  guarantee  would be considered a separate
security issued by the guarantor.

For Cash  Fund,  Fundamental  Policy  (4) does not apply to  investment  in bank
obligations.

OPERATING POLICIES -- The operating policies of the Funds are:

1.  LOANS. The Funds may not lend assets other than securities to other parties.
    (This  limitation  does not  apply to  purchases  of debt  securities  or to
    repurchase agreements.)

2.  BORROWING.  The Funds may not borrow  money or  securities  for any purposes
    except that  borrowing up to 10% of the Fund's total assets from  commercial
    banks is permitted  for emergency or temporary  purposes.  Cash Fund may not
    purchase securities while borrowings equal to 5% or more of its total assets
    are outstanding.

3.  OPTIONS.  The Funds, other than Cash Fund, may buy and sell  exchange-traded
    and  over-the-counter  put  and  call  options,   including  index  options,
    securities options, currency options and options on futures, provided that a
    call or put may be purchased only if after such  purchase,  the value of all
    call and put options held by the Fund will not exceed 5% of the Fund's total
    assets.  The Funds may write only  covered put and call  options.  Cash Fund
    will not invest in puts, calls, or any combination thereof.

4.  OIL AND GAS PROGRAMS.  The Funds may not invest in oil, gas,  mineral leases
    or other mineral exploration or development programs.

5.  INVESTMENT  COMPANIES.  Except in connection  with a merger,  consolidation,
    acquisition,  or  reorganization,  the Funds may not invest in securities of
    other investment companies, except in compliance with the Investment Company
    Act of 1940.

CORPORATE BOND,  DIVERSIFIED INCOME,  LIMITED MATURITY BOND, HIGH YIELD AND CASH
FUNDS. The following operating policies apply only to the foregoing Funds:

6.  OPERATING HISTORY. The Funds may not invest in securities of an issuer that,
    together  with any  predecessor,  has been in operation  for less than three
    years if, as a result,  more than 5% of the total  assets of the Fund  would
    then be invested in such  securities;  provided that this  operating  policy
    does not apply to High Yield Fund.

7.  CONTROL OF PORTFOLIO  COMPANIES.  The Funds may not invest in companies  for
    the purpose of exercising management or control.

MUNICIPAL BOND AND CASH FUNDS.  The following  operating  policies apply only to
Municipal Bond and Cash Funds:

8.  SHORT SALES. The Funds may not sell securities short,  unless it owns or has
    the  right  to  obtain  securities  equivalent  in kind  and  amount  to the
    securities sold short, and provided that  transactions in futures  contracts
    and options are not deemed to constitute selling securities short.

9.  MARGIN.  The Funds do not intend to purchase  securities  on margin,  except
    that the Funds may obtain such  short-term  credits as are necessary for the
    clearance of  transactions,  and provided that margin payments in connection
    with futures contracts and options on futures contracts shall not constitute
    purchasing securities on margin.

CASH FUND. The following operating policies apply only to Cash Fund:

10. PERMISSIBLE  SECURITIES.  Cash Fund may not purchase  securities  other than
    U.S. Government securities, bank obligations and corporate obligations.

11. FUTURES. Cash Fund may not purchase futures contracts or options thereon.

OFFICERS AND DIRECTORS

The officers and directors of the Funds and their  principal  occupations for at
least the last five years are as follows. Unless otherwise noted, the address of
each officer and director is 700 Harrison Street, Topeka, Kansas 66636-0001.


<TABLE>
<CAPTION>
- -------------------------------------- ------------------------------- -----------------------------------------------------
NAME, ADDRESS, AND AGE                   POSITION(S) HELD WITH FUND    PRINCIPAL OCCUPATION(S) DURING PAST 5 YEARS
- -------------------------------------- ------------------------------- -----------------------------------------------------
<S>                                     <C>                            <C>
John D. Cleland,* 64                       President and Director      Senior Vice President and Managing Member
(Birth date: May 1, 1936)                                              Representative, Security Management Company, LLC;
                                                                       Senior Vice President, Security Benefit Group, Inc.
                                                                       and Security Benefit Life Insurance Company
- -------------------------------------- ------------------------------- -----------------------------------------------------
Donald A. Chubb, Jr.,** 53                        Director             Business broker, Griffith & Blair Realtors. Prior
(Birth date: December 14, 1946)                                        to 1997, President, Neon Tube Light Company, Inc
2222 SW 29th Street
Topeka, Kansas 66611
- -------------------------------------- ------------------------------- -----------------------------------------------------
Penny A. Lumpkin,** 60                            Director             Owner, Vivian's Gift Shop (Corporate Retail); Vice
(Birth date: August 20, 1939)                                          President, Palmer Companies, Inc. (Small Business
3616 Canterbury Town Road                                              and Shopping Center Development) and Bellairre
Topeka, Kansas 66610                                                   Shopping Center LLC (Managing and Leasing);
                                                                       Partner, Goodwin Enterprises (Retail). Prior to
                                                                       1999,Vice President and Treasurer, Palmer News,
                                                                       Inc.; Vice President, M/S News, Inc. and Secretary,
                                                                       Kansas City Periodicals.
- -------------------------------------- ------------------------------- -----------------------------------------------------
Mark L. Morris, Jr.,** 66                         Director             Veterinary Nutrition Consultant; Independent
(Birth date: February 3, 1934)                                         Investor, Morris Co. (Personal Investments). Former
5500 SW 7th Street                                                     General Partner, Mark Morris Associates (Veterinary
Topeka, Kansas 66606                                                   Research and Education)
- -------------------------------------- ------------------------------- -----------------------------------------------------
Maynard Oliverius, 56                             Director             President and Chief Executive Officer,
(Birth date: December 18, 1943)                                        Stormont-Vail HealthCare
1500 SW 10th Avenue
Topeka, Kansas 66604
- -------------------------------------- ------------------------------- -----------------------------------------------------
James R. Schmank,* 47                   Director and Vice President    President and Managing Member Representative,
(Birth date: February 21, 1953)                                        Security Management Company, LLC; Senior Vice
                                                                       President, Security Benefit Group, Inc. and
                                                                       Security Benefit Life Insurance Company
- -------------------------------------- ------------------------------- -----------------------------------------------------
Amy J. Lee, 38                                   Secretary             Secretary, Security Management Company, LLC; Vice
(Birth date: June 5, 1961)                                             President, Associate General Counsel and Assistant
                                                                       Secretary, Security Benefit Group, Inc. and
                                                                       Security Benefit Life Insurance Company
- -------------------------------------- ------------------------------- -----------------------------------------------------
Brenda M. Harwood, 36                            Treasurer             Assistant Vice President and Treasurer, Security
(Birth date: November 3, 1963)                                         Management Company, LLC; Assistant Vice President,
                                                                       Security Benefit Group, Inc. and Security Benefit
                                                                       Life Insurance Company
- -------------------------------------- ------------------------------- -----------------------------------------------------
Steven M. Bowser, 40                           Vice President          Vice President and Portfolio Manager, Security
(Birth date: February 11, 1960)                (Income Fund)           Management Company, LLC; Vice President, Security
                                                                       Benefit Group, Inc. and Security Benefit Life
                                                                       Insurance Company
- -------------------------------------- ------------------------------- -----------------------------------------------------
Thomas A. Swank, 40                            Vice President          Senior Vice President and Portfolio Manager,
(Birth date: January 10, 1960)                 (Income Fund)           Security Management Company, LLC; Senior Vice
                                                                       President and Chief Investment Officer, Security
                                                                       Benefit Group, Inc. and Security Benefit Life
                                                                       Insurance Company
- -------------------------------------- ------------------------------- -----------------------------------------------------
David Eshnaur, 39                              Vice President          Assistant Vice President and Portfolio Manager,
(Birth date: October 8, 1960)                  (Income Fund)           Security Management Company, LLC. Prior to July
                                                                       1997, Assistant Vice President and Assistant
                                                                       Portfolio Manager, Waddell & Reed.
- -------------------------------------- ------------------------------- -----------------------------------------------------
Christopher D. Swickard, 34                 Assistant Secretary        Assistant Secretary, Security Management Company,
(Birth date: October 9, 1965)                                          LLC; Assistant Vice President and Assistant
                                                                       Counsel, Security Benefit Group, Inc. and Security
                                                                       Benefit Life Insurance Company
- ----------------------------------------------------------------------------------------------------------------------------
<FN>
 *These directors are deemed to be "interested persons" of the Fund.

**These directors serve on the Fund's audit committee, the purpose of which (among other things) is to meet with independent
  auditors,  to review the work of the  auditors,  and to oversee the handling by Security  Management  Company,  LLC of the
  accounting function for the Fund.
</FN>
- ----------------------------------------------------------------------------------------------------------------------------
</TABLE>

The  officers of the Funds hold  identical  offices with each of the other Funds
managed by the Investment Manager, except Messrs. Bowser, Swank and Eshnaur, who
are also Vice  Presidents of SBL Fund.  The directors of the Funds also serve as
directors of each of the other Funds managed by the Investment Manager.  See the
table under "Investment Management," page 39, for positions held by such persons
with the Investment Manager. Ms. Lee holds identical offices for the Distributor
(Security  Distributors,  Inc.).  Messrs.  Cleland,  Schmank  and Young are also
directors and Vice Presidents of the  Distributor,  and Ms. Harwood is Treasurer
of the Distributor.


REMUNERATION OF DIRECTORS AND OTHERS


The Funds' directors, except those directors who are "interested persons" of the
Funds, receive from each Fund an annual retainer of $2,000 and a fee of $208 per
meeting,  plus reasonable  travel costs, for each meeting of the board attended.
In  addition,  certain  directors  who are  members  of the Funds'  joint  audit
committee receive a fee of $125 per meeting and reasonable travel costs for each
meeting of the Funds' audit committee  attended.  The meeting fee (including the
audit committee  meeting) and travel costs are paid  proportionately  by each of
the  seven  registered  investment  companies  to  which  the  Adviser  provides
investment advisory services  (collectively,  the "Security Fund Complex") based
on the Fund's net assets.

The Funds do not pay any fees to, or reimburse  expenses of, their directors who
are considered "interested persons" of the Fund. The aggregate compensation paid
by the Fund to each of the directors  during the fiscal year ended  December 31,
1999,  and the  aggregate  compensation  paid to  each of the  directors  during
calendar  year  1999  by  the  Security  Fund  Complex,  are  set  forth  in the
accompanying  chart.  Each of the  directors  is a director of each of the other
registered investment companies in the Security Fund Complex.

<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------------------------------------
                                                                                         ESTIMATED     TOTAL COMPENSATION
                                                             PENSION OR RETIREMENT         ANNUAL      FROM THE SECURITY
                                                              BENEFITS ACCRUED AS       BENEFITS UPON     FUND COMPLEX,
                             AGGREGATE COMPENSATION          PART OF FUND EXPENSES       RETIREMENT   INCLUDING THE FUNDS
                         ------------------------------- --------------------------------------------------------------------
NAME OF DIRECTOR         INCOME    MUNICIPAL             INCOME    MUNICIPAL
OF THE FUND               FUND     BOND FUND  CASH FUND   FUND     BOND FUND  CASH FUND
- -----------------------------------------------------------------------------------------------------------------------------
<S>                        <C>       <C>        <C>          <C>        <C>       <C>        <C>             <C>
Donald A. Chubb, Jr.       $2,542    $2,542     $2,542       $0         $0        $0         $0              $30,500
John D. Cleland                 0         0          0        0          0         0          0                    0
Penny A. Lumpkin            2,458     2,458      2,458        0          0         0          0               29,500
Mark L. Morris, Jr.         2,542     2,542      2,542        0          0         0          0               30,500
Maynard Oliverius           2,542     2,542      2,542        0          0         0          0               30,500
James R. Schmank                0         0          0        0          0         0          0                    0
Harold G. Worswick*             0         0          0        0          0         0          0                    0
- -----------------------------------------------------------------------------------------------------------------------------
<FN>
*Mr. Worswick,  formerly a director of the Security Funds,  received deferred compensation in the amount of $8,386 during the
 year ended December 31, 1999.
</FN>
- -----------------------------------------------------------------------------------------------------------------------------
</TABLE>

As of April 1, 2000, the Funds' officers and directors (as a group) beneficially
owned less than 1% of the total  outstanding  Class A shares of Corporate  Bond,
Limited  Maturity  Bond,  Diversified  Income and High Yield Funds.  Cash Fund's
officers and directors (as a group) beneficially owned less than 1% of the total
outstanding  shares as of April 1,  2000.  As of April 1, 2000,  Municipal  Bond
Fund's officers and directors (as a group)  beneficially owned ________ of Class
A shares of Municipal  Bond Fund which  represented  approximately  ____% of the
total  outstanding  Class A shares on that date.  None of the Funds' officers or
directors owned Class B shares of the Funds.


PRINCIPAL HOLDERS OF SECURITIES


As of April 1, 2000,  Security  Benefit  Group,  Inc.  ("SBG"),  700 SW Harrison
Street, Topeka, Kansas, 66636-0001, owned, of record and beneficially,  ____% of
the  voting  securities  of  Limited  Maturity  Bond  Fund  (____%  of the total
outstanding  Class A shares and ____% of the total  outstanding  Class B shares)
and  ____% of the  voting  securities  of High  Yield  Fund  (____% of the total
outstanding  Class A shares and ____% of the total  outstanding Class B shares).
SBG's percentage ownership of Limited Maturity Bond Fund and High Yield Fund may
permit SBG to effectively control the outcome of any matters submitted to a vote
of shareholders of these two funds.  SBG is an insurance and financial  services
holding company wholly-owned by Security Benefit Life Insurance Company ("SBL"),
700 SW Harrison Street, Topeka, Kansas 66636-0001.  SBG and SBL are incorporated
under the laws of Kansas.  SBG is  ultimately  controlled  by  Security  Benefit
Mutual Holding Company,  700 SW Harrison Street,  Topeka,  Kansas 66636-0001,  a
mutual holding company organized under the laws of Kansas.

As of April 1, 2000, the following  entities owned, of record and  beneficially,
5% or more of a class of a Fund's outstanding securities:


- -------------------------------------------------------------
NAME AND ADDRESS                FUND      CLASS   PERCENTAGE
OF STOCKHOLDER                  OWNED      OWNED    OWNED
- -------------------------------------------------------------

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

HOW TO PURCHASE SHARES

As discussed below, shares of Corporate Bond, Limited Maturity Bond, Diversified
Income,  High Yield and  Municipal  Bond Funds may be  purchased  with  either a
front-end or contingent  deferred sales charge.  Shares of Cash Fund are offered
by the Fund  without a sales  charge.  Each of the Funds  reserves  the right to
withdraw all or any part of the offering made by this  prospectus  and to reject
purchase orders.

As a convenience to investors and to save operating  expenses,  the Funds do not
issue   certificates  for  Fund  shares  except  upon  written  request  by  the
stockholder.

CORPORATE  BOND,  LIMITED  MATURITY  BOND,  DIVERSIFIED  INCOME,  HIGH YIELD AND
MUNICIPAL BOND FUNDS -- Security Distributors, Inc. (the "Distributor"),  700 SW
Harrison,  Topeka, Kansas, a wholly-owned  subsidiary of Security Benefit Group,
Inc.,  is principal  underwriter  for Corporate  Bond,  Limited  Maturity  Bond,
Diversified Income, High Yield and Municipal Bond Funds.  Investors may purchase
shares of these Funds through authorized dealers who are members of the National
Association of Securities Dealers,  Inc. In addition,  banks and other financial
institutions may make shares of the Funds available to their  customers.  (Banks
and other  financial  institutions  that make shares of the Funds  available  to
their  customers  in Texas  must be  registered  with that  state as  securities
dealers.) The minimum  initial  purchase must be $100 and  subsequent  purchases
must be $100 unless made  through an  Accumulation  Plan which  allows a minimum
initial  purchase of $100 and  subsequent  purchases of $20. (See  "Accumulation
Plan," page 38.) An application may be obtained from the Distributor.

Orders for the  purchase of shares of the Funds will be confirmed at an offering
price equal to the net asset value per share next  determined  after  receipt of
the order in proper form by the  Distributor  (generally  as of the close of the
Exchange on that day) plus the sales charge in the case of Class A shares of the
Funds.  Orders  received  by  dealers or other  firms  prior to the close of the
Exchange and received by the Distributor  prior to the close of its business day
will be  confirmed  at the  offering  price  effective  as of the  close  of the
Exchange on that day.  Dealers and other financial  services firms are obligated
to transmit orders promptly.


ALTERNATIVE  PURCHASE  OPTIONS --  Diversified  Income  Fund and High Yield Fund
offer  three  classes of shares,  Class A, Class B and Class C.  Corporate  Bond
Fund,  Limited  Maturity Bond Fund and Municipal  Bond Fund offer two classes of
shares, Class A and Class B.


CLASS A SHARES -- FRONT-END  LOAD  OPTION.  Class A shares are sold with a sales
charge at the time of purchase. Class A shares are not subject to a sales charge
when they are redeemed  (except that shares sold in an amount of  $1,000,000  or
more without a front-end  sales charge will be subject to a contingent  deferred
sales charge of 1% for one year).  See Appendix A for a discussion of "Rights of
Accumulation"  and "Statement of  Intention,"  which options may serve to reduce
the front-end sales charge.

CLASS B SHARES -- BACK-END LOAD OPTION.  Class B shares are sold without a sales
charge at the time of  purchase,  but are subject to a deferred  sales charge if
they are redeemed within five years of the date of purchase. Class B shares will
automatically convert tax-free to Class A shares at the end of eight years after
purchase.


CLASS C SHARES -- LEVEL LOAD  OPTION.  Class C shares  are sold  without a sales
charge at the time of purchase,  but are subject to a contingent  deferred sales
charge if they are redeemed within one year of the date of purchase.


The decision as to which class is more beneficial to an investor  depends on the
amount and intended length of the investment. Investors who would rather pay the
entire cost of  distribution  at the time of  investment,  rather than spreading
such cost over  time,  might  consider  Class A shares.  Other  investors  might
consider  Class B shares,  in which case 100% of the purchase  price is invested
immediately,  depending on the amount of the purchase and the intended length of
investment. The Funds will not normally accept any purchase of Class B shares in
the amount of $250,000 or more.

Dealers or others may receive  different  levels of  compensation  depending  on
which class of shares they sell.

CLASS A SHARES -- Class A shares  of  Corporate  Bond,  Limited  Maturity  Bond,
Diversified Income, High Yield and Municipal Bond Funds are offered at net asset
value plus an initial sales charge as follows:

- ----------------------------------------------------------------------------
                                                  SALES CHARGE
                                     ---------------------------------------
                                     APPLICABLE
                                     PERCENTAGE
                                         OF      PERCENTAGE OF  PERCENTAGE
AMOUNT OF PURCHASE                    OFFERING    NET AMOUNT   REALLOWABLE
AT OFFERING PRICE                       PRICE      INVESTED     TO DEALERS
- ----------------------------------------------------------------------------
Less than $50,000                       4.75%        4.99%         4.00%
$50,000 but less than $100,000          3.75         3.90          3.00
$100,000 but less than $250,000         2.75         2.83          2.20
$250,000 but less than $1,000,000       1.75         1.78          1.40
$1,000,000 or more                      None         None      (See below)
- ----------------------------------------------------------------------------

Purchases of Class A shares of these Funds in amounts of  $1,000,000 or more are
at net asset value  (without a sales  charge),  but are subject to a  contingent
deferred sales charge of 1% in the event of redemption within one year following
purchase.  For a  discussion  of  the  contingent  deferred  sales  charge,  see
"Calculation  and Waiver of  Contingent  Deferred  Sales  Charges"  page 36. The
Distributor  will pay a commission to dealers on purchases of $1,000,000 or more
as follows: 1.00% on sales up to $5,000,000, plus .50% on sales of $5,000,000 or
more up to $10,000,000, and .10% on any amount of $10,000,000 or more.

SECURITY  INCOME AND  MUNICIPAL  BOND FUNDS'  CLASS A  DISTRIBUTION  PLANS -- As
discussed in the  prospectus,  each of Corporate  Bond,  Limited  Maturity Bond,
Diversified  Income, High Yield and Municipal Bond Funds has a Distribution Plan
for its Class A shares  pursuant to Rule 12b-1 under the Investment  Company Act
of  1940.  Each  Plan  authorizes  these  Funds  to  pay  an  annual  fee to the
Distributor  of .25% of the average  daily net asset value of the Class A shares
of each Fund to finance various activities  relating to the distribution of such
shares of the Funds to investors.  These expenses  include,  but are not limited
to, the payment of compensation  (including  compensation to securities  dealers
and  other  financial   institutions  and   organizations)   to  obtain  various
administrative  services  for each Fund.  These  services  include,  among other
things,  processing  new  shareholder  account  applications  and serving as the
primary  source of information  to customers in answering  questions  concerning
each  Fund  and  their  transactions  with the  Fund.  The  Distributor  is also
authorized to engage in advertising,  the preparation and  distribution of sales
literature  and  other  promotional  activities  on  behalf  of each  Fund.  The
Distributor is required to report in writing to the Board of Directors of Income
Fund and the board will review at least quarterly the amounts and purpose of any
payments made under the Plan.  The  Distributor  is also required to furnish the
board with such other  information  as may  reasonably  be requested in order to
enable the board to make an informed determination of whether the Plan should be
continued.


For Income Fund,  the Plan became  effective  on August 15, 1985,  as to each of
Corporate Bond and Diversified  Income Funds.  The Plan was adopted with respect
to Limited  Maturity Bond on October 21, 1994. The Plan was adopted with respect
to the High Yield Fund on May 3, 1996.  For Municipal Bond Fund, the Plan became
effective on May 1, 1998.  Each Plan will continue  from year to year,  provided
that such  continuance  is approved at least annually by a vote of a majority of
the Board of  Directors  of each Fund,  including a majority of the  independent
directors  cast in person at a meeting  called for the purpose of voting on such
continuance.  The Plan can also be  terminated  at any time on 60 days'  written
notice,  without penalty,  if a majority of the  disinterested  directors or the
Class A shareholders  vote to terminate the Plan. Any agreement  relating to the
implementation of the Plan terminates automatically if it is assigned. The Plans
may not be amended to  increase  materially  the amount of  payments  thereunder
without approval of the Class A shareholders of the Funds.

Because  all amounts  paid  pursuant  to the  Distribution  Plan are paid to the
Distributor,  the Investment Manager and its officers,  directors and employees,
including Messrs.  Cleland and Schmank (directors of the Fund), Messrs.  Schmank
and Swickard,  Ms. Lee and Ms. Harwood (officers of the Fund), all may be deemed
to  have a  direct  or  indirect  financial  interest  in the  operation  of the
Distribution  Plan. None of the  independent  directors has a direct or indirect
financial interest in the operation of the Distribution Plan.


Benefits  from  the  Distribution  Plan  may  accrue  to  the  Funds  and  their
stockholders  from the  growth  in assets  due to sales of shares to the  public
pursuant to the Distribution  Agreement with the  Distributor.  Increases in the
Corporate  Bond,  Limited  Maturity  Bond,  Diversified  Income,  High Yield and
Municipal  Bond Funds' net assets from sales pursuant to its  Distribution  Plan
and  Agreement  may  benefit   shareholders  by  reducing  per  share  expenses,
permitting  increased  investment  flexibility and diversification of the Fund's
assets,  and  facilitating  economies of scale (e.g.,  block  purchases)  in the
Fund's securities transactions.


Distribution  fees  paid by Class A  stockholders  of  Corporate  Bond,  Limited
Maturity Bond,  Diversified Income and High Yield Funds to the Distributor under
the Plan for the year ended  December  31, 1999 totaled  $190,939.  In addition,
$118,632 was carried forward from the previous plan year. Approximately $102,939
of this  amount was paid as a service fee to  broker/dealers  and  $118,487  was
spent on  promotions,  resulting in a carry forward amount of $88,145 going into
the 2000 plan year. The amount spent on promotions consists primarily of amounts
reimbursed  to  dealers  for  expenses  (primarily  travel,  meals and  lodging)
incurred in connection with attendance by their  representatives  at educational
meetings concerning Corporate Bond and Diversified Income Funds. The Distributor
may engage the services of an  affiliated  advertising  agency for  advertising,
preparation of sales literature and other distribution-related activities.


CLASS B SHARES -- Class B shares  of  Corporate  Bond,  Limited  Maturity  Bond,
Diversified Income, High Yield and Municipal Bond Funds are offered at net asset
value, without an initial sales charge. With certain exceptions, these Funds may
impose a deferred sales charge on shares  redeemed within five years of the date
of purchase. No deferred sales charge is imposed on amounts redeemed thereafter.
If imposed,  the deferred sales charge is deducted from the redemption  proceeds
otherwise  payable to the stockholder.  The deferred sales charge is retained by
the Distributor.

Whether a  contingent  deferred  sales  charge is imposed  and the amount of the
charge will depend on the number of years since the stockholder  made a purchase
payment  from  which an amount is being  redeemed,  according  to the  following
schedule:

- --------------------------------------------------
  YEAR SINCE PURCHASE       CONTINGENT DEFERRED
   PAYMENT WAS MADE            SALES CHARGE
- --------------------------------------------------
         First                       5%
        Second                       4%
         Third                       3%
        Fourth                       3%
         Fifth                       2%
  Sixth and Following                0%
- --------------------------------------------------

Class B shares (except shares  purchased  through the  reinvestment of dividends
and other  distributions  with  respect  to Class B shares)  will  automatically
convert on the eighth  anniversary  of the date such  shares were  purchased  to
Class A shares which are subject to a lower  distribution  fee.  This  automatic
conversion of Class B shares will take place  without  imposition of a front-end
sales charge or exchange fee. (Conversion of Class B shares represented by stock
certificates will require the return of the stock certificates to the Investment
Manager.)  All shares  purchased  through  reinvestment  of dividends  and other
distributions  with respect to Class B shares  ("reinvestment  shares")  will be
considered  to be held in a  separate  subaccount.  Each time any Class B shares
(other than those held in the subaccount)  convert to Class A shares, a pro rata
portion of the  reinvestment  shares held in the subaccount will also convert to
Class A shares.  Class B shares so  converted  will no longer be  subject to the
higher  expenses borne by Class B shares.  Because the net asset value per share
of the Class A shares  may be higher or lower than that of the Class B shares at
the  time  of  conversion,  although  the  dollar  value  will  be the  same,  a
shareholder  may receive  more or less Class A shares than the number of Class B
shares  converted.  Under  current  law,  it is the Funds'  opinion  that such a
conversion  will not constitute a taxable event under federal income tax law. In
the event that this ceases to be the case,  the Board of Directors will consider
what action,  if any, is  appropriate  and in the best  interests of the Class B
stockholders.


CLASS B  DISTRIBUTION  PLAN -- Each of Corporate  Bond,  Limited  Maturity Bond,
Diversified  Income,  High Yield and Municipal Bond Funds bear some of the costs
of selling its Class B shares under a Distribution  Plan adopted with respect to
its Class B shares  ("Class B Distribution  Plan")  pursuant to Rule 12b-1 under
the  Investment  Company Act of 1940 ("1940 Act").  This Plan was adopted by the
Board of Directors of Corporate  Bond,  Diversified  Income and  Municipal  Bond
Funds on July 23, 1993.  The Plan was adopted  with respect to Limited  Maturity
Bond Fund on October 21,  1994.  The Plan was adopted  with  respect to the High
Yield Fund on May 3, 1996.  The Plan  provides for payments at an annual rate of
1.00% of the average  daily net asset value of Class B shares.  Amounts  paid by
the Funds are  currently  used to pay  dealers and other firms that make Class B
shares  available to their  customers  (1) a commission  at the time of purchase
normally  equal to 4.00% of the value of each share  sold and (2) a service  fee
payable for the first year, initially, and for each year thereafter,  quarterly,
in an amount  equal to .25%  annually  of the  average  daily net asset value of
Class B shares sold by such dealers and other firms and remaining outstanding on
the books of the Funds.


Rules of the National Association of Securities Dealers, Inc. ("NASD") limit the
aggregate  amount that each Fund may pay annually in distribution  costs for the
sale of its Class B shares to 6.25% of gross  sales of Class B shares  since the
inception of the  Distribution  Plan, plus interest at the prime rate plus 1% on
such  amount  (less  any  contingent  deferred  sales  charges  paid by  Class B
shareholders to the Distributor). The Distributor intends, but is not obligated,
to continue to pay or accrue  distribution  charges  incurred in connection with
the Class B Distribution Plan which exceed current annual payments  permitted to
be received by the Distributor from the Funds.  The Distributor  intends to seek
full  payment of such  charges  from the Fund  (together  with  annual  interest
thereon  at the prime  rate plus 1%) at such time in the  future  as, and to the
extent that, payment thereof by the Funds would be within permitted limits.


Each Fund's Class B  Distribution  Plan may be terminated at any time by vote of
its directors who are not interested  persons of the Fund as defined in the 1940
Act or by vote of a majority of the outstanding Class B shares. In the event the
Class B  Distribution  Plan is  terminated  by the Class B  stockholders  or the
Funds' Board of Directors,  the payments made to the Distributor pursuant to the
Plan up to that time would be retained by the Distributor. Any expenses incurred
by the  Distributor  in  excess  of  those  payments  would be  absorbed  by the
Distributor.  Distribution  fees paid by Class B stockholders of Corporate Bond,
Limited Maturity Bond,  Diversified  Income, High Yield and Municipal Bond Funds
to the Distributor under the Plan for the year ended December 31, 1999,  totaled
$205,030. The Funds make no payments in connection with the sales of their Class
B shares other than the distribution fee paid to the Distributor.

CLASS C SHARES -- Class C shares  are  offered  at net asset  value,  without an
initial sales charge. With certain  exceptions,  the Funds may impose a deferred
sales  charge on shares  redeemed  within one year of the date of  purchase.  No
deferred sales charge is imposed on amounts redeemed thereafter. If imposed, the
deferred sales charge is deducted from the redemption proceeds otherwise payable
to you. The deferred sales charge is retained by the Distributor.

CLASS C DISTRIBUTION  PLAN --  Diversified  Income Fund and High Yield Fund bear
some of the  costs of  selling  its  Class C shares  under a  Distribution  Plan
adopted  with  respect  to its  Class C shares  ("Class  C  Distribution  Plan")
pursuant to Rule 12b-1 under the  Investment  Company Act of 1940 ("1940  Act").
This Plan  provides for payments at an annual rate of 1.00% of the average daily
net asset value of Class C shares.  Amounts paid by the Fund are currently  used
to pay  dealers  and other  firms  that make Class C shares  available  to their
customers (1) a commission at the time of purchase normally equal to .75% of the
value of each share sold, and for each year thereafter,  quarterly, in an amount
equal to .75%  annually of the  average  daily net asset value of Class C shares
sold by such dealers and other firms and remaining  outstanding  on the books of
the Fund and (2) a service  fee payable  for the first year  initially,  and for
each year  thereafter,  quarterly,  in an amount  equal to .25%  annually of the
average  daily net asset value of Class C shares sold by such  dealers and other
firms and remaining outstanding on the books of the Fund.

Rules of the NASD limit the  aggregate  amount  that a Fund may pay  annually in
distribution costs for the sale of its Class C shares to 6.25% of gross sales of
Class C shares since the inception of the  Distribution  Plan,  plus interest at
the  prime  rate plus 1% on such  amount  (less any  contingent  deferred  sales
charges  paid by  Class C  shareholders  to the  Distributor).  The  Distributor
intends, but is not obligated, to continue to pay or accrue distribution charges
incurred in connection  with the Class C Distribution  Plan which exceed current
annual payments  permitted to be received by the Distributor from the Funds. The
Distributor intends to seek full payment of such charges from the Fund (together
with  annual  interest  thereon  at the prime  rate plus 1%) at such time in the
future as, and to the extent that,  payment thereof by the Funds would be within
permitted limits.

The Fund's Class C  Distribution  Plan may be  terminated at any time by vote of
its directors who are not interested  persons of the Fund as defined in the 1940
Act or by vote of a majority of the outstanding Class C shares. In the event the
Class C  Distribution  Plan is  terminated  by the Class C  stockholders  or the
Fund's Board of Directors,  the payments made to the Distributor pursuant to the
Plan up to that time would be retained by the Distributor. Any expenses incurred
by the  Distributor  in  excess  of  those  payments  would be  absorbed  by the
Distributor.  The Fund makes no payments in  connection  with the sales of their
shares other than the distribution fee paid to the Distributor.

CALCULATION  AND WAIVER OF CONTINGENT  DEFERRED  SALES CHARGES -- Any contingent
deferred sales charge imposed upon redemption of Class A shares (purchased in an
amount  of  $1,000,000  or more)  and  Class B shares  and  Class C shares  is a
percentage  of the lesser of (1) the net asset  value of the shares  redeemed or
(2) the net cost of such shares. No contingent  deferred sales charge is imposed
upon redemption of amounts derived from (1) increases in the value above the net
cost of such  shares due to  increases  in the net asset  value per share of the
Fund; (2) shares acquired  through  reinvestment of income dividends and capital
gain distributions;  or (3) Class A shares (purchased in an amount of $1,000,000
or more) or Class C  shares  held for more  than one year or Class B shares  and
Class C shares  held for more than five  years.  Upon  request  for  redemption,
shares not  subject to the  contingent  deferred  sales  charge will be redeemed
first. Thereafter, shares held the longest will be the first to be redeemed.

The  contingent  deferred  sales charge is waived:  (1) following the death of a
stockholder  if  redemption  is made within one year after  death,  (2) upon the
disability  (as defined in Section  72(m)(7) of the Internal  Revenue Code) of a
stockholder  prior to age 65 if  redemption  is made  within  one year after the
disability,  provided such disability  occurred after the stockholder opened the
account; (3) in connection with required minimum distributions in the case of an
IRA,  SAR-SEP or Keogh or any other  retirement  plan  qualified  under  Section
401(a),  401(k) or 403(b) of the Code; and (4) in the case of distributions from
retirement  plans  qualified  under  Section  401(a) or  401(k) of the  Internal
Revenue  Code due to (i)  returns  of excess  contributions  to the  plan,  (ii)
retirement of a participant in the plan,  (iii) a loan from the plan  (repayment
of loans,  however,  will  constitute  new sales for purposes of  assessing  the
CDSC),  (iv) "financial  hardship" of a participant in the plan, as that term is
defined in Treasury Regulation Section 1.401(k)-1(d)(2), as amended from time to
time, (v) termination of employment of a participant in the plan, (vi) any other
permissible  withdrawal  under the terms of the plan.  The  contingent  deferred
sales charge will also be waived in the case of redemptions of Class B shares of
the  Funds  pursuant  to  a  systematic   withdrawal  program  (See  "Systematic
Withdrawal Program," page 39).

ARRANGEMENTS  WITH  BROKER/DEALERS  AND  OTHERS  -- The  Investment  Manager  or
Distributor,  from time to time,  will provide  promotional  incentives or pay a
bonus to certain dealers whose representatives have sold or are expected to sell
significant  amounts of the Funds  and/or  certain  other  Funds  managed by the
Investment  Manager.  Such  promotional  incentives  will  include  payment  for
attendance  (including  travel and lodging  expenses) by  qualifying  registered
representatives  (and  members of their  families)  to sales  seminars at luxury
resorts  within or without the United  States.  Bonus  compensation  may include
reallowance  of the entire  sales charge and may also  include,  with respect to
Class A shares,  an amount  which  exceeds the entire  sales  charge  and,  with
respect to Class B shares or Class C shares, an amount which exceeds the maximum
commission.  The  Distributor,  or the  Investment  Manager,  may  also  provide
financial assistance to certain dealers in connection with conferences, sales or
training  programs for their  employees,  seminars for the public,  advertising,
sales campaigns,  and/or shareholder services and programs regarding one or more
of the funds  managed by the  Investment  Manager.  Certain  of the  promotional
incentives  or bonuses may be financed  by payments to the  Distributor  under a
Rule 12b-1  Distribution  Plan.  The payment of  promotional  incentives  and/or
bonuses will not change the price an investor  will pay for shares or the amount
that the Funds will receive from such sale. No  compensation  will be offered to
the extent it is prohibited by the laws of any state or self-regulatory  agency,
such as the National Association of Securities Dealers,  Inc. ("NASD"). A Dealer
to whom substantially the entire sales charge of Class A shares is reallowed may
be deemed to be an "underwriter" under federal securities laws.


The  Distributor  also may pay banks and other  financial  services  firms  that
facilitate  transactions  in shares of the funds for their clients a transaction
fee up to the level of the  payments  made  allowable to dealers for the sale of
such  shares as  described  above.  Banks  currently  are  prohibited  under the
Glass-Steagall Act from providing certain underwriting or distribution services.
If banking firms were prohibited from acting in any capacity or providing any of
the  described  services,  the Fund's Board of  Directors  would  consider  what
action, if any, would be appropriate.

In  addition,   state  securities  laws  on  this  issue  may  differ  from  the
interpretations  of  federal  law  expressed  herein  and  banks  and  financial
institutions may be required to register as dealers pursuant to state law.


The  Investment  Manager or  Distributor  also may pay a marketing  allowance to
dealers who meet  certain  eligibility  criteria.  This  allowance  is paid with
reference to new sales of Fund shares (except shares of Cash Fund) in a calendar
year and may be  discontinued  at any time. To be eligible for this allowance in
any given year, the dealer must sell a minimum of $2,000,000 of Class A, Class B
and Class C shares during that year. The applicable  marketing allowance factors
are set forth below.


- -----------------------------------------------------------
                                     APPLICABLE MARKETING
AGGREGATE NEW SALES                   ALLOWANCE FACTOR*
- -----------------------------------------------------------
Less than $2 million                         .00%
$2 million but less than $5 million          .15%
$5 million but less than $10 million         .25%
$10 million but less than $15 million        .35%
$15 million but less than $20 million        .50%
$20 million or more                          .75%
- -----------------------------------------------------------
*The maximum marketing allowance factor applicable per this
 schedule  will be applied to all new sales in the calendar
 year to determine the marketing allowance payable for such
 year.
- -----------------------------------------------------------


For the calendar  year ended  December 31, 1999,  the  following
dealers received a marketing allowance:


- -----------------------------------------------------------
                    DEALER                       AMOUNT
- -----------------------------------------------------------
Legend Equities Corp..........................
Investment Advisors & Consultants, Inc........
VSR Financial Services, Inc...................
Hepfner Securities Corp.......................
OFG Financial Services, Inc...................
Lincoln Investment Planning...................
- -----------------------------------------------------------

CASH FUND -- Cash Fund offers a single  class of shares  which is offered at net
asset value next determined after an order is accepted. There is no sales charge
or load. The minimum  initial  investment in Cash Fund is $100 for each account.
Subsequent  investments  may be made in any  amount  of $20 or more.  Cash  Fund
purchases may be made in any of the following ways:

1.  BY MAIL.

    (a) A check or negotiable bank draft should be sent to:

        Security Cash Fund
        P.O. Box 2548
        Topeka, Kansas 66601-2548

    (b) Make check or draft payable to "Security Cash Fund."

    (c) For initial investment include a completed investment  application found
        at the back of the prospectus.

2.  BY WIRE.

    (a) Call the Fund to  advise  of the  investment.  The Fund  will  supply an
        account  number  at the  time  of the  initial  investment  and  provide
        instructions for having your bank wire federal funds.

    (b) For an initial  investment,  you must also send a  completed  investment
        application to the Fund.

3.  THROUGH BROKER/DEALERS.  Investors may, if they wish, invest in Cash Fund by
    purchasing shares through registered broker/dealers. Such broker/dealers who
    process  orders  on  behalf of their  customers  may  charge a fee for their
    services.   Investments   made   directly   without  the   assistance  of  a
    broker/dealer are without charge.

Since Cash Fund  invests in money  market  securities  which  require  immediate
payment in federal funds,  monies  received from the sales of its shares must be
monies held by a commercial bank and be on deposit at one of the Federal Reserve
Banks.  A record date for each  stockholder's  investment  is  established  each
business day and used to distribute  the following  day's  dividend.  If federal
funds are received prior to 2:00 p.m. (Central time) the investment will be made
on that day and the investor will receive the following day's dividend.  Federal
funds  received  after 2:00 p.m. on any business day will not be invested  until
the following  business day. Cash Fund will not be responsible for any delays in
the wire transfer system.  All checks are accepted subject to collection at full
face value in United States funds and must be drawn in United States  dollars on
a United States bank.

PURCHASES AT NET ASSET VALUE

Class A shares of Corporate Bond,  Limited  Maturity Bond,  Diversified  Income,
High Yield and  Municipal  Bond Funds may be purchased at net asset value by (1)
directors, officers and employees of the Funds, the Funds' Investment Manager or
Distributor;   directors,  officers  and  employees  of  Security  Benefit  Life
Insurance  Company and its  subsidiaries;  agents licensed with Security Benefit
Life Insurance Company; spouses or minor children of any such agents; as well as
the following relatives of any such directors, officers and employees (and their
spouses): spouses,  grandparents,  parents, children,  grandchildren,  siblings,
nieces and nephews; (2) any trust, pension, profit sharing or other benefit plan
established by any of the foregoing  corporations  for persons  described above;
(3) retirement plans where third party administrators of such plans have entered
into certain  arrangements with the Distributor or its affiliates  provided that
no  commission  is paid to dealers;  and (4)  officers,  directors,  partners or
registered   representatives   (and  their   spouses  and  minor   children)  of
broker/dealers who have a selling agreement with the Distributor. Such sales are
made upon the written  assurance of the purchaser  that the purchase is made for
investment  purposes and that the  securities  will not be transferred or resold
except through redemption or repurchase by or on behalf of the Funds.

Life agents and  associated  personnel of  broker/dealers  must obtain a special
application from their employer or from the Distributor, in order to qualify for
such purchases.

Class A shares of Corporate Bond,  Limited  Maturity Bond,  Diversified  Income,
High Yield and  Municipal  Bond Funds may also be  purchased  at net asset value
when the purchase is made on the  recommendation of (i) a registered  investment
adviser,  trustee or financial intermediary who has authority to make investment
decisions on behalf of the investor;  or (ii) a certified  financial  planner or
registered  broker-dealer  who either charges periodic fees to its customers for
financial  planning,  investment  advisory  or  asset  management  services,  or
provides  such services in connection  with the  establishment  of an investment
account for which a comprehensive "wrap fee" is imposed. The Distributor must be
notified when a purchase is made that qualifies under this provision.

ACCUMULATION PLAN

Investors in Corporate Bond,  Limited Maturity Bond,  Diversified  Income,  High
Yield or Municipal  Bond Fund may purchase  shares on a periodic  basis under an
Accumulation Plan which provides for an initial investment of $100 minimum,  and
subsequent  investments  of $20 minimum at any time. An  Accumulation  Plan is a
voluntary program, involving no obligation to make periodic investments,  and is
terminable at will.  Payments are made by sending a check to the Distributor who
(acting as an agent for the dealer) will purchase whole and fractional shares of
the Funds as of the close of business  on the day such  payment is  received.  A
confirmation  and  statement of account  will be sent to the investor  following
each investment.  Certificates for whole shares will be issued upon request.  No
certificates will be issued for fractional shares which may be withdrawn only by
redemption for cash.

Investors may choose to use "Secur-O-Matic" (automatic bank draft) to make their
Fund  purchases.  There is no  additional  charge  for using  Secur-O-Matic.  An
application may be obtained from the Funds.

SYSTEMATIC WITHDRAWAL PROGRAM

A Systematic  Withdrawal  Program may be established by stockholders who wish to
receive  regular  monthly,  quarterly,  semiannual or annual  payments of $25 or
more.  A Program may also be based upon the  liquidation  of a fixed or variable
number of shares  provided that the minimum  amount is withdrawn.  However,  the
Funds do not recommend this (or any other amount) as an appropriate  withdrawal.
Shares with a current  offering  price of $5,000 or more must be deposited  with
the Investment  Manager acting as agent for the  stockholder  under the Program.
There is no service  charge on the Program as the  Investment  Manager  pays the
costs involved.

Sufficient  shares will be  liquidated  at net asset value to meet the specified
withdrawals.   Liquidation  of  shares  may  deplete  or  possibly  use  up  the
investment,  particularly in the event of a market  decline.  Payments cannot be
considered  as actual yield or income since part of such payments is a return of
capital and may constitute a taxable event to the  stockholder.  The maintenance
of a Withdrawal  Program  concurrently  with  purchases of additional  shares of
Corporate  Bond,  Limited  Maturity  Bond,  Diversified  Income,  High  Yield or
Municipal  Bond Fund would be  disadvantageous  because of the sales  commission
payable in respect to such purchases.  During the withdrawal period, no payments
will be accepted under an Accumulation  Plan. Income dividends and capital gains
distributions  are  automatically  reinvested at net asset value. If an investor
has an Accumulation  Plan in effect,  it must be terminated  before a Systematic
Withdrawal Program may be initiated.

The stockholder receives  confirmation of each transaction showing the source of
the payment and the share  balance  remaining in the  Program.  A Program may be
terminated  on  written  notice by the  stockholder  or the  Funds,  and it will
terminate  automatically  if all shares are  liquidated  or  withdrawn  from the
account.


A  stockholder  may  establish a Systematic  Withdrawal  Program with respect to
Class B or Class C shares without the  imposition of any  applicable  contingent
deferred  sales charge,  provided that such  withdrawals  do not in any 12-month
period,  beginning  on the date the  Program is  established,  exceed 10% of the
value  of the  account  on  that  date  ("Free  Systematic  Withdrawals").  Free
Systematic  Withdrawals are not available if a Program  established with respect
to Class B or Class C shares  provides for  withdrawals  in excess of 10% of the
value of the account in any Program year and, as a result, all withdrawals under
such a Program are subject to any applicable  contingent  deferred sales charge.
Free  Systematic  Withdrawals  will be made first by redeeming those shares that
are not subject to the  contingent  deferred  sales charge and then by redeeming
shares held the longest.  The contingent  deferred sales charge  applicable to a
redemption  of  Class B and  Class C  shares  requested  while  Free  Systematic
Withdrawals  are being made will be calculated as described  under  "Calculation
and  Waiver  of  Contingent  Deferred  Sales  Charges,"  page 36.  A  Systematic
Withdrawal form may be obtained from the Funds.


INVESTMENT MANAGEMENT


Security  Management  Company,  LLC (the  "Investment  Manager"),  700  Harrison
Street,  Topeka,  Kansas,  has  served as  investment  adviser  to Income  Fund,
Municipal  Bond Fund and Cash Fund,  respectively,  since  September  14,  1970,
October 7, 1983 and June 23, 1980. The current Investment Advisory Contracts for
Income Fund,  Municipal Bond Fund and Cash Fund,  respectively,  are dated March
27, 1987, October 7, 1983 and June 23, 1980. The Investment Manager also acts as
investment  adviser to Security  Equity Fund,  Security  Growth and Income Fund,
Security Ultra Fund and SBL Fund. The Investment  Manager is a limited liability
company  controlled by its members,  Security Benefit Life Insurance Company and
Security Benefit Group, Inc. ("SBG"). SBG is an insurance and financial services
holding company  wholly-owned by Security  Benefit Life Insurance  Company,  700
Harrison  Street,  Topeka,  Kansas  66636-0001.  Security  Benefit  Life, a life
insurance  company with over $9.8 billion of insurance in force, is incorporated
under the laws of Kansas.

Pursuant to the Investment Advisory Contracts,  the Investment Manager furnishes
investment advisory,  statistical and research services to the Funds, supervises
and arranges for the  purchase  and sale of  securities  on behalf of the Funds,
provides  for the  maintenance  and  compilation  of records  pertaining  to the
investment advisory functions, and also makes certain guarantees with respect to
the Funds' annual expenses. The Investment Manager guarantees that the aggregate
annual  expenses of the  respective  Funds  (including  for any fiscal year, the
management  fee,  but  excluding   interest,   taxes,   brokerage   commissions,
extraordinary  expenses and Class B and Class C distribution fees) shall not for
Corporate Bond,  Limited Maturity Bond,  Diversified Income and High Yield Funds
exceed the level of expenses  which the Fund is permitted to bear under the most
restrictive  expense limitation imposed by any state in which shares of the Fund
are then  qualified for sale and shall not for Cash Fund exceed 1% of the Fund's
average  net assets for the year.  (The  Investment  Manager is not aware of any
state that currently  imposes limits on the level of mutual fund  expenses.) For
Municipal Bond Fund, the Investment Manager guarantees that the aggregate annual
expenses of the Fund  (including for any fiscal year,  the  management  fee, but
excluding  interest,  taxes,  extraordinary  expenses,  and Class A, Class B and
Class C distribution  fees) shall not exceed 1% of the Fund's average net assets
for the year. The Investment  Manager will  contribute  such funds or waive such
portion of its  management  fee as may be necessary to insure that the aggregate
expenses of the Funds will not exceed the guaranteed maximum.

The  Investment  Manager has  engaged  Salomon  Brothers  Asset  Management  Inc
("Salomon  Brothers"),  7 World Trade  Center,  New York,  NY 10048,  to provide
investment   advisory  services  to  the  Municipal  Bond  Fund  pursuant  to  a
Sub-Advisory  Agreement dated May 1, 1998.  Pursuant to this agreement,  Salomon
Brothers furnishes  investment  advisory,  statistical and research  facilities,
supervises  and arranges for the  purchase and sale of  securities  on behalf of
Municipal Bond Fund and provides for the  compilation and maintenance of records
pertaining  to such  investment  advisory  services,  subject to the control and
supervision  of the Fund's Board of Directors and the  Investment  Manager.  For
such services,  the Investment  Manager pays Salomon Brothers an amount equal to
 .22% of the average net assets of Municipal Bond Fund, computed on a daily basis
and payable  monthly.  The  Sub-Advisory  Agreement  may be  terminated  without
penalty  at  any  time  by  either  party  on 60  days'  written  notice  and is
automatically terminated in the event of its assignment or in the event that the
Investment  Advisory  Contract  between the  Investment  Manager and the Fund is
terminated, assigned or not renewed.


Salomon  Brothers  is a  wholly-owned  subsidiary  of Salomon  Brothers  Holding
Company,  Inc.,  which is wholly-owned by Salomon Smith Barney  Holdings,  Inc.,
which  is,  in turn,  wholly-owned  by  Citigroup,  Inc.  Salomon  Brothers  was
incorporated  in 1987 and together with Salomon  Brothers  affiliates in London,
Frankfurt,  Tokyo and Hong Kong,  provides a broad range of investment  advisory
services to various individuals and institutional clients located throughout the
world  and  serves  as  investment  adviser  to  various  investment  companies.
Currently Salomon Brothers and its affiliates  manage  approximately $29 billion
in assets.


For  services  provided  to the Funds,  the  Investment  Manager is  entitled to
receive  compensation  on an  annual  basis  equal to .5% of the  average  daily
closing value of the Corporate Bond, Limited Maturity Bond,  Diversified Income,
Municipal  Bond and Cash Fund's net assets and .60% of the average daily closing
value of the High  Yield  Fund,  each  computed  on a daily  basis  and  payable
monthly.  For the years ended  December 31, 1999,  1998 and 1997, the Investment
Manager agreed to limit the total  expenses  (including  its  compensation,  but
excluding  interest,  taxes and extraordinary  expenses and Class B distribution
fees) of the Class A shares of Corporate  Bond,  Diversified  Income and Limited
Maturity  Bond  Funds to 1.1% of the  average  daily net  assets and the Class B
shares to 1.85% of the average daily net assets of the respective Funds. For the
years ended December 31, 1999 and 1998,  the  Investment  Manager also agreed to
limit the total expenses  (including its compensation,  but excluding  interest,
taxes and  extraordinary  expenses and Class B distribution  fees) of High Yield
Fund to 1.0% of the  average  daily net  assets  of Class A shares  and 2.75% of
Class B shares of the Fund.  For the years  ended  December  31,  1999 and 1998,
expenses  incurred by Municipal Bond Fund exceeded 1% of the average net assets.
In addition, the Investment Manager agreed to waive the investment advisory fees
of Limited Maturity Bond, Diversified Income and High Yield Funds for the fiscal
years ended December 31, 1999, 1998 and 1997.


Each Fund will pay all of its expenses not assumed by the Investment  Manager or
the  Distributor  including  organization  expenses;  directors'  fees; fees and
expenses of custodian; taxes and governmental fees; interest charges; membership
dues; brokerage commissions; reports; proxy statements; costs of stockholder and
other meetings;  Class B distribution  fees; and legal,  auditing and accounting
expenses.  Each Fund will also pay for the preparation  and  distribution of the
prospectus  to  its  stockholders  and  all  expenses  in  connection  with  its
registration  under  federal  and  state  securities  laws.  Each  Fund will pay
nonrecurring expenses as may arise, including litigation affecting it.


The Investment Advisory Contracts between Security  Management Company,  LLC and
Income Fund,  Municipal  Bond Fund and Cash Fund,  each dated  November 1, 1999,
will expire on November 1, 2001.  The contracts  are  renewable  annually by the
Funds'  Board of  Directors  or by a vote of a majority of a Fund's  outstanding
securities  and, in either event, by a majority of the board who are not parties
to the contract or interested  persons of any such party. The contracts  provide
that they may be  terminated  without  penalty at any time by either party on 60
days' notice and are automatically terminated in the event of assignment.


Pursuant to  Administrative  Services  Agreements  with the Funds dated April 1,
1987, the Investment Manager also acts as the administrative agent for the Funds
and as such performs  administrative  functions and the bookkeeping,  accounting
and pricing  functions for the Funds. For these services the Investment  Manager
receives,  on an  annual  basis,  a fee of .09% of the  average  net  assets  of
Corporate  Bond,  Limited  Maturity  Bond,  Diversified  Income,  High Yield and
Municipal  Bond  Funds  and  .045%  of the  average  net  assets  of Cash  Fund,
calculated daily and payable monthly.

Under the Administrative  Services  Agreements  identified above, the Investment
Manager also acts as the transfer  agent for the Funds.  As such, the Investment
Manager performs all shareholder  servicing  functions,  including  transferring
record ownership,  processing  purchase and redemption  transactions,  answering
inquiries,  mailing  stockholder  communications  and  acting  as  the  dividend
disbursing agent. For these services,  the Investment Manager receives an annual
maintenance  fee  of  $8.00  per  account,   a  fee  of  $1.00  per  shareholder
transaction, and a fee of $1.00 ($.50 for Cash Fund) per dividend transaction.


During the fiscal years ended  December 31, 1999,  1998 and 1997, the Funds paid
the following amounts to the Investment Manager for its services.

<TABLE>
<CAPTION>
- ----------------------------------------------------------------------------------------------------------------------------
                                 INVESTMENT
                                  ADVISORY                     INVESTMENT   ADMINISTRATIVE   TRANSFER
                                 FEES PAID   REIMBURSEMENT   ADVISORY FEES   SERVICE FEES  AGENCY SERVICE
                                     TO      OF EXPENSES BY    WAIVED BY       PAID TO     FEES PAID TO    EXPENSE RATIO
                                 INVESTMENT    INVESTMENT      INVESTMENT     INVESTMENT    INVESTMENT   --------------------
           FUND            YEAR   MANAGER       MANAGER         MANAGER        MANAGER       MANAGER      CLASS A   CLASS B
- ----------------------------------------------------------------------------------------------------------------------------
<S>                        <C>     <C>          <C>             <C>             <C>          <C>           <C>      <C>
Income Fund                1999    $326,019     $229,545        $196,880        $85,660      $215,558      ---       ---
                           1998     463,639          ---             ---         81,783       191,501      ---       ---
                           1997     450,862          ---             ---         80,734       141,412      ---       ---

   Corporate Bond Fund     1999     289,863       30,967               0         52,175       119,987     1.09%     1.85%
                           1998         ---       34,672               0            ---           ---     1.06%     1.85%
                           1997         ---       17,462               0            ---           ---      ---       ---

   Limited Maturity Bond   1999         ---       37,027          36,156          6,508         6,799      .77%     1.85%
   Fund                    1998         ---       39,398          35,063            ---           ---      .87%     1.89%
                           1997         ---       30,621          27,818            ---           ---      ---       ---

   Diversified Income Fund 1999         ---       96,445          95,618         17,211        74,590      .87%     1.85%
                           1998         ---       75,262          60,492            ---           ---      .93%     1.85%
                           1997         ---       42,687          42,687            ---           ---      ---       ---

   High Yield Fund         1999         ---       65,106          65,106         97,106        14,182      .72%     1.53%
                           1998         ---       55,715          55,715            ---           ---      .76%     1.53%
                           1997         ---       41,748          41,748            ---           ---      ---       ---

Municipal Bond Fund        1999      99,435       30,293               0         17,898        11,214     1.01%     1.75%
                           1998     113,719        2,927               0         20,469        13,726      .82%     2.01%
                           1997     115,812            0               0         20,846        15,105      ---       ---

Cash Fund                  1999     334,020            0               0         30,062       121,225      .86%      ---
                           1998     326,960            0               0         29,803       125,374      .89%      ---
                           1997     238,616            0               0         21,990       119,258      ---       ---
- ----------------------------------------------------------------------------------------------------------------------------
</TABLE>


The following persons are affiliated with the Funds and also with the Investment
Manager in these capacities:


<TABLE>
<CAPTION>
- ----------------------------------------------------------------------------------------------------------------------------
NAME                         POSITIONS WITH THE FUNDS             POSITIONS WITH SECURITY MANAGEMENT COMPANY, LLC
- ----------------------------------------------------------------------------------------------------------------------------
<S>                          <C>                                  <C>
James R. Schmank             Vice President and Director          President and Managing Member Representative
John D. Cleland              President and Director               Senior Vice President and Managing Member Representative
Amy J. Lee                   Secretary                            Secretary
Brenda M. Harwood            Treasurer                            Assistant Vice President and Treasurer
Steven M. Bowser             Vice President (Income Fund and SBL  Vice President and Portfolio Manager
                             Fund only)
Thomas A. Swank              Vice President (Income Fund and SBL  Senior Vice President and Portfolio Manager
                             Fund only)
David Eshnaur                Vice President (Income Fund and SBL  Assistant Vice President and Portfolio Manager
                             Fund only)
Christopher D. Swickard      Assistant Secretary                  Assistant Secretary
- ----------------------------------------------------------------------------------------------------------------------------
</TABLE>


PORTFOLIO  MANAGEMENT -- The Corporate Bond, Limited Maturity Bond,  Diversified
Income, High Yield,  Municipal Bond and Cash Funds are managed by the Investment
Manager's  Fixed Income Team with portfolio  managers being  responsible for the
day-to-day  management of each particular Fund. Steve Bowser, Vice President and
Portfolio Manager of the Investment Manager,  and David Eshnaur,  Assistant Vice
President and  Portfolio  Manager of the  Investment  Manager,  have  day-to-day
responsibility  for managing Corporate Bond and Limited Maturity Bond Funds. Mr.
Bowser has  managed  the Funds  since June 1997 and Mr.  Eshnaur has managed the
Funds since January 1998. Mr. Bowser also has had day-to-day  responsibility for
managing  Diversified  Income Fund since  1995.  David  Eshnaur  has  day-to-day
responsibility  for  managing the High Yield Fund.  Mr.  Eshnaur has managed the
Fund since July 1997. Municipal Bond Fund is managed by Robert Amodeo of Salomon
Brothers.  He has had  day-to-day  responsibility  for  managing  the Fund since
September 1998.

Mr. Bowser joined the Investment Manager in 1992 and has managed the Diversified
Income  Fund  since  1995.  Prior to  joining  the  Investment  Manager,  he was
Assistant Vice  President and Portfolio  Manager with the Federal Home Loan Bank
of Topeka from 1989 to 1992.  He was  employed at the  Federal  Reserve  Bank of
Kansas City in 1988 and began his career  with the Farm Credit  System from 1982
to 1987,  serving as a Senior  Financial  Analyst and Assistant  Controller.  He
graduated  with a Bachelor of Science  degree from Kansas  State  University  in
1982.

David  Eshnaur  is  Assistant  Vice  President  and  Portfolio  Manager  of  the
Investment Manager. Mr. Eshnaur has 16 years of investment experience.  Prior to
joining  the  Investment  Manager  in 1997,  he worked at  Waddell & Reed in the
positions of Assistant  Vice  President,  Assistant  Portfolio  Manager,  Senior
Analyst,  Industry  Analyst  and Account  Administrator.  Mr.  Eshnaur  earned a
Bachelor  of Arts  degree in  Business  Administration  from Coe  College and an
M.B.A. degree in Finance from the University of Missouri - Kansas City.

Robert  Amodeo,  a  Portfolio  Manager  at Salomon  Brothers,  has  managed  the
Municipal Bond Fund's  portfolio since September 1998.  Prior to joining Salomon
Brothers Asset Management in 1992, Mr. Amodeo was a member of Salomon  Brothers,
Inc.  Partnership  Investment  Group where he was  responsible for analyzing and
managing various partnership  investments.  Mr. Amodeo pioneered  adaptation and
the use of the Yield Book for municipal  bond  portfolio  management,  analysis,
performance  attribution  and  optimization.  He  received  a B.S.  in  Business
Management from Long Island University and he is a Chartered Financial Analyst.


CODE OF ETHICS -- The Funds, the Investment Manager and the Distributor each has
adopted a written  code of ethics  (the  "Code of  Ethics")  which  governs  the
personal  securities  transactions  of "access  persons"  of the  Funds.  Access
persons may invest in securities,  including securities that may be purchased or
held by the Funds;  provided that they obtain prior clearance before engaging in
securities  transactions.  Access persons include  officers and directors of the
Funds and  Investment  Manager  and  employees  that  participate  in, or obtain
information regarding,  the purchase or sale of securities by the Funds or whose
job relates to the making of any recommendations  with respect to such purchases
or sales. All access persons must report their personal securities  transactions
within ten days of the end of each calendar quarter.  Access persons will not be
permitted to effect  transactions  in a security if it: (a) is being  considered
for purchase or sale by the Funds;  (b) is being purchased or sold by the Funds;
or (c) is being offered in an initial public  offering.  Portfolio  managers are
also prohibited from purchasing or selling a security within seven calendar days
before  or after a Fund that he or she  manages  trades  in that  security.  Any
material  violation of the Code of Ethics is reported to the Board of the Funds.
The Board also  reviews  the  administration  of the Code of Ethics on an annual
basis. In addition, each Sub-Adviser has adopted its own code of ethics to which
the personal securities  transactions of its portfolio managers and other access
persons are  subject.  The Code of Ethics is on public file with the  Securities
and Exchange Commission and is available from the Commission.

DISTRIBUTOR

Security  Distributors,  Inc.  (the  "Distributor"),  a Kansas  corporation  and
wholly-owned subsidiary of Security Benefit Group, Inc., serves as the principal
underwriter for shares of Corporate  Bond,  Limited  Maturity Bond,  Diversified
Income, High Yield and Municipal Bond Funds pursuant to Distribution  Agreements
dated March 27, 1984, as amended, and October 7, 1983, respectively.

The  Distributor  receives a maximum  commission  on Class A Shares of 4.75% and
allows a maximum discount of 4.0% from the offering price to authorized  dealers
on Fund shares sold. The discount is alike for all dealers,  but the Distributor
may increase it for specific periods at its discretion. Salespersons employed by
dealers may also be licensed to sell insurance with Security Benefit Life.


For the fiscal  years  ended  December  31,  1999 and  December  31,  1998,  the
Distributor (i) received gross underwriting  commissions on Class A shares, (ii)
retained net  underwriting  commissions  on Class A shares,  and (iii)  received
contingent  deferred  sales  charges  on  redemptions  of Class B shares  in the
amounts set forth in the table below.

<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------------------
                                   GROSS UNDERWRITING        NET UNDERWRITING          COMPENSATION
                                       COMMISSIONS             COMMISSIONS             ON REDEMPTION
- -----------------------------------------------------------------------------------------------------------
                                    1998        1999         1998        1999        1998         1999
<S>                                 <C>         <C>           <C>         <C>        <C>          <C>
Corporate Bond Fund                 $29,315     $37,649       $4,808      $3,277     $14,332      $14,636
Limited Maturity Bond Fund            3,854       2,478          448         382         803        4,522
Diversified Income Fund              34,498      10,939        3,676       1,643       2,208       10,847
High Yield Fund                      12,912      10,997          578       1,889         127        4,770
Municipal Bond Fund                  18,315      10,552        3,709       2,115       5,887        2,024
- -----------------------------------------------------------------------------------------------------------
</TABLE>

The  Distributor  received  gross  underwriting  commissions on sales of Class A
shares and contingent  deferred sales charges on redemptions  for Class B shares
of $96,838 for Income Fund and $12,576 for Municipal  Bond Fund and retained net
underwriting commissions of $5,302 for Income Fund and $8,437 for Municipal Bond
Fund for the fiscal year ended December 31, 1999.


The Distributor, on behalf of the Funds, may act as a broker in the purchase and
sale of securities not effected on a securities exchange, provided that any such
transactions  and  any  commissions   shall  comply  with  requirements  of  the
Investment  Company Act of 1940 and all rules and  regulations of the Securities
and Exchange Commission. The Distributor has not acted as a broker.

Each Fund's  Distribution  Agreement is renewable  annually either by the Funds'
Board  of  Directors  or by a  vote  of a  majority  of the  Fund's  outstanding
securities, and, in either event, by a majority of the board who are not parties
to the agreement or interested  persons of any such party. The agreements may be
terminated by either party upon 60 days' written notice.

ALLOCATION OF PORTFOLIO BROKERAGE

Transactions in portfolio  securities shall be effected in such manner as deemed
to be in the best  interest  of each  respective  Fund.  In  reaching a judgment
relative  to the  qualifications  of a  broker  or  dealer  to  obtain  the best
execution of a particular  transaction,  all relevant factors and  circumstances
will be taken into account by the Investment Manager, including consideration of
the overall  reasonableness of commissions paid to a broker,  the firm's general
execution  and  operational  capabilities,  and its  reliability  and  financial
condition. The Funds do not anticipate that they will incur a significant amount
of brokerage commissions because fixed income securities are generally traded on
a "net" basis--that is, in principal amount without the addition or deduction of
a stated brokerage commission,  although the net price usually includes a profit
to the  dealer.  The Funds will deal  directly  with the  selling or  purchasing
principal  without  incurring charges for the services of a broker on its behalf
unless it is  determined  that a better  price or  execution  may be obtained by
utilizing  the  services  of a broker.  The Funds  also may  purchase  portfolio
securities  in  underwritings  where the price  includes  a fixed  underwriter's
concession or discount.  Money market instruments may be purchased directly from
the issuer at no commission or discount.

Portfolio  transactions  that  require a broker may be  directed  to brokers who
furnish investment  information or research services to the Investment  Manager.
Such investment information and research services include advice as to the value
of  securities,   the  advisability  of  investing  in,  purchasing  or  selling
securities  and the  availability  of  securities  and  purchasers or sellers of
securities,  and furnishing analyses and reports concerning issues,  industries,
securities,  economic factors and trends, portfolio strategy, and performance of
accounts.  Such investment information and research services may be furnished by
brokers in many ways,  including:  (1) on-line data base systems,  the equipment
for which is provided by the broker,  that enable  registrant to have  real-time
access  to market  information,  including  quotations;  (2)  economic  research
services,  such as  publications,  chart  services  and advice  from  economists
concerning macroeconomic information;  and (3) analytical investment information
concerning  particular  corporations.  If a transaction  is directed to a broker
supplying such information or services, the commission paid for such transaction
may be in excess  of the  commission  another  broker  would  have  charged  for
effecting  that  transaction,  provided that the  Investment  Manager shall have
determined  in good faith that the  commission  is reasonable in relation to the
value of the investment information or the research services provided, viewed in
terms of either that particular  transaction or the overall  responsibilities of
the  Investment  Manager  with  respect to all accounts as to which it exercises
investment discretion. The Investment Manager may use all, none, or some of such
information and services in providing  investment  advisory  services to each of
the mutual funds under its management, including the Funds.

In addition,  brokerage  transactions may be placed with broker/dealers who sell
shares of the Funds  managed by the  Investment  Manager who may or may not also
provide  investment  information and research  services.  The Investment Manager
may,  consistent  with the NASD Rules of Fair  Practice,  consider sales of Fund
shares in the selection of a broker/dealer.


Securities  held by the  Funds  may  also be held by other  investment  advisory
clients of the Investment  Manager,  including other  investment  companies.  In
addition,  the  Investment  Manager's  parent  company,  Security  Benefit  Life
Insurance  Company  ("SBL"),  may also hold some of the same  securities  as the
Funds. When selecting securities for purchase or sale for a Fund, the Investment
Manager may at the same time be  purchasing or selling the same  securities  for
one or  more  of  such  other  accounts.  Subject  to the  Investment  Manager's
obligation  to seek best  execution,  such  purchases  or sales may be  executed
simultaneously  or "bunched." It is the policy of the Investment  Manager not to
favor  one  account  over  the  other.  Any  purchase  or sale  orders  executed
simultaneously  (which may also  include  orders from SBL) are  allocated at the
average  price and as nearly as  practicable  on a pro rata  basis  (transaction
costs will also  generally be shared on a pro rata basis) in  proportion  to the
amounts  desired to be purchased  or sold by each  account.  In those  instances
where it is not  practical  to  allocate  purchase  or sale orders on a pro rata
basis,  then the allocation will be made on a rotating or other equitable basis.
While it is conceivable that in certain instances this procedure could adversely
affect the price or number of shares involved in the Fund's  transaction,  it is
believed that the procedure generally contributes to better overall execution of
the  Funds'  portfolio  transactions.  The Board of  Directors  of the Funds has
adopted  guidelines  governing  this procedure and will monitor the procedure to
determine  that the  guidelines  are  being  followed  and  that  the  procedure
continues  to be in the best  interest  of the Fund and its  stockholders.  With
respect to the allocation of initial public offerings  ("IPOs"),  the Investment
Manager may determine not to purchase such  offerings for certain of its clients
(including  investment  company  clients)  due to the  limited  number of shares
typically   available  to  the  Investment  Manager  in  an  IPO.  No  brokerage
commissions  were paid by the Funds for the years ended December 31, 1999, 1998,
and 1997.


DETERMINATION OF NET ASSET VALUE

The net asset  value per  share of each  Fund is  determined  as of the close of
regular trading hours on the New York Stock Exchange (normally 3:00 p.m. Central
time) on each day that the Exchange is open for trading, which is Monday through
Friday except for the following  dates when the Exchange is closed in observance
of Federal  holidays:  New Year's Day, Martin Luther King, Jr. Day,  Presidents'
Day, Good Friday,  Memorial Day,  Independence Day, Labor Day,  Thanksgiving Day
and Christmas Day. The  determination is made by dividing the total value of the
portfolio  securities  of each Fund,  plus any cash or other  assets  (including
dividends  accrued but not collected),  less all  liabilities,  by the number of
shares outstanding of the Fund.

Securities listed or traded on a national  securities exchange are valued at the
last sale price.  If there are no sales on a particular day, then the securities
are valued at the last bid price. All other securities,  held by Corporate Bond,
Limited Maturity Bond, Diversified Income and High Yield Funds, for which market
quotations  are readily  available,  are valued on the basis of the last current
bid  price.  If there is no bid  price,  or if the bid  price  is  deemed  to be
unsatisfactory by the Board of Directors, then the securities shall be valued in
good faith by such method as the Board of Directors determines will reflect fair
market  value.  Valuations  of the Funds'  securities  are supplied by a pricing
service approved by the Board of Directors.

Diversified  Income Fund will  generally  value  securities at market value,  if
available.  If market value is not  available,  the Fund will value  securities,
other than  securities  with 60 days or less to maturity as discussed  below, at
prices based on market quotations for securities of similar type, yield, quality
and duration.

Valuations  furnished by the pricing  service  with  respect to  Municipal  Bond
Fund's municipal  securities are based upon appraisals from recognized municipal
securities dealers derived from information  concerning market  transactions and
quotations.  Securities for which market  quotations  are readily  available are
valued at the last  reported  sale price,  or, if no sales are  reported on that
day, at the mean between the latest  available bid and asked prices.  Securities
for which market  quotations  are not readily  available  (which are expected to
constitute  the  majority of Municipal  Bond Fund's  portfolio  securities)  are
valued  at  the  best  available  current  bid  price  by the  pricing  service,
considering  such factors as yields or prices of municipal  bonds of  comparable
quality,  type of issue,  coupon,  maturity and rating,  indications as to value
from dealers,  and general market  conditions.  The Fund's  officers,  under the
general supervision of the Board of Directors,  will regularly review procedures
used by, and valuations provided by, the pricing service.  Municipal Bond Fund's
taxable short-term  securities for which market quotations are readily available
will be valued at market value,  which is the last reported sale price or, if no
sales are reported on that day, at the mean between the latest available bid and
asked prices except that securities having 60 days or less remaining to maturity
may be valued at their amortized cost as discussed below.

Cash Fund's  securities  are valued by the amortized  cost  valuation  technique
which does not take into consideration unrealized gains or losses. The amortized
cost  valuation  technique  involves  valuing  an  instrument  at its  cost  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.  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  Cash  Fund  would  receive  if it sold  the
instrument.

During periods of declining  interest  rates,  the daily yield on shares of Cash
Fund computed as described  above may tend to be higher than a like  computation
made by a fund with identical  investments utilizing a method of valuation based
upon  market  prices and  estimates  of market  prices for all of its  portfolio
instruments.  Thus, if the use of amortized  cost by Cash Fund resulted in lower
aggregate  portfolio  value on a particular  day, a prospective  investor in the
Fund would be able to obtain a somewhat  higher  yield  than would  result  from
investment in a fund  utilizing  solely market values and existing  investors in
Cash Fund would receive less  investment  income.  The converse would apply in a
period of rising interest rates.

The use of amortized cost and the maintenance of Cash Fund's per share net asset
value at $1.00 is based on its election to operate under the  provisions of Rule
2a-7 under the Investment Company Act of 1940. As a condition of operating under
that rule, the Fund must maintain a dollar-weighted  average portfolio  maturity
of 90 days or less,  purchase only instruments  having  remaining  maturities of
thirteen  months or less, and invest only in securities  which are determined by
the Board of  Directors  to present  minimal  credit risks and which are of high
quality  as  determined  by any  major  rating  service,  or in the  case of any
instrument  not  so  rated,  considered  by  the  Board  of  Directors  to be of
comparable quality.

The Board of Directors  has  established  procedures  designed to maintain  Cash
Fund's price per share, as computed for the purpose of sales and redemptions, at
$1.00.  These procedures include a review of the Fund's holdings by the Board of
Directors at such intervals as they deem  appropriate  to determine  whether the
Fund's net asset value calculated by using available market quotations  deviates
from $1.00 per share based on amortized  cost. If any  deviation  exceeds 1/2 of
1%, the Board of Directors will promptly  consider what action,  if any, will be
initiated.  In the event  the Board of  Directors  determines  that a  deviation
exists  which  may  result in  material  dilution  or other  unfair  results  to
investors  or existing  shareholders,  they have agreed to take such  corrective
action as they regard as necessary and  appropriate,  including the sale of Cash
Fund  instruments  prior  to  maturity  to  shorten  average  Fund  maturity  or
withholding  dividends.  Cash  Fund  will use its best  efforts  to  maintain  a
constant net asset value per share of $1.00.  See "Security Cash Fund," page 14,
and "Dividends and Taxes," page 49. Since  dividends from net investment  income
will be accrued  daily and paid  monthly,  the net asset value per share of Cash
Fund will ordinarily  remain at $1.00,  but the Fund's daily dividends will vary
in amount.

Diversified  Income  Fund and  Municipal  Bond Fund may use the  amortized  cost
valuation  technique  utilized by Cash Fund for securities with maturities of 60
days or less. In addition, Diversified Income and Municipal Bond Funds may use a
similar  procedure for  securities  having 60 days or less remaining to maturity
with the value of the security on the 61st day being used rather than the cost.

The Funds will accept  orders from dealers on each  business day up to 4:30 p.m.
(Central time).

HOW TO REDEEM SHARES

A  stockholder  may redeem shares at the net asset value next  determined  after
such shares are tendered for redemption. The amount received may be more or less
than the  investor's  cost,  depending  upon the market  value of the  portfolio
securities at the time of redemption.

Shares  will be redeemed on request of the  stockholder  in proper  order to the
Investment Manager, which serves as the Funds' transfer agent. A request is made
in proper order by submitting the following items to the Investment Manager: (1)
a written request for redemption  signed by all registered owners exactly as the
account is registered,  including  fiduciary  titles, if any, and specifying the
account  number and the dollar amount or number of shares to be redeemed;  (2) a
guarantee of all signatures on the written  request or on the share  certificate
or accompanying  stock power; (3) any share  certificates  issued for any of the
shares to be redeemed; and (4) any additional documents which may be required by
the Investment  Manager for redemption by corporations  or other  organizations,
executors, administrators,  trustees, custodians or the like. Transfers of share
ownership  are subject to the same  requirements.  A signature  guarantee is not
required  for  redemptions  of $10,000 or less,  requested by and payable to all
stockholders of record for an account,  to be sent to the address of record. The
signature guarantee must be provided by an eligible guarantor institution,  such
as a bank,  broker,  credit  union,  national  securities  exchange  or  savings
association.  The Investment  Manager reserves the right to reject any signature
guarantee pursuant to its written procedures which may be revised in the future.
To avoid delay in redemption or transfer,  stockholders  having questions should
contact the Investment Manager.

The amount due on  redemption,  will be the net asset  value of the shares  next
computed  after the  redemption  request  in  proper  order is  received  by the
Investment  Manager less any  applicable  deferred  sales  charge.  In addition,
stockholders of Cash Fund will receive any  undistributed  dividends,  including
any dividend  declared on the day of the  redemption.  Payment of the redemption
price will be made by check (or by wire at the sole discretion of the Investment
Manager if wire  transfer is requested,  including  name and address of the bank
and the  stockholder's  account  number to which  payment is to be wired) within
seven days after receipt of the  redemption  request in proper order.  The check
will  be  mailed  to the  stockholder's  registered  address  (or  as  otherwise
directed).  Remittance by wire (to a commercial bank account in the same name(s)
as the shares are  registered)  or by express mail,  if requested,  will be at a
charge of $15, which will be deducted from the redemption proceeds.

Cash Fund offers redemption by check. If blank checks are requested on the Check
Writing Request form, the Fund will make a supply available. Checks for the Cash
Fund may be drawn  payable to the order of any payee (not to cash) in any amount
of $100 or more. Checks may be cashed or deposited like any other check drawn on
a bank.  When a check  is  presented  to the Fund for  payment,  it will  redeem
sufficient  full and fractional  shares to cover the check.  Such shares will be
redeemed at the price next calculated  following receipt of any check which does
not exceed the value of the account. The price of Cash Fund shares may fluctuate
from day-to-day and the price at the time of redemption,  by check or otherwise,
may be less than the amount  invested.  Any check presented for payment which is
more than the value of the account  will be  returned  without  payment,  marked
"Insufficient  Funds." Each new stockholder will initially receive twelve checks
free of charge and such additional  checks as may be required.  Since the amount
available for withdrawal fluctuates daily, it is not practical for a stockholder
to attempt to withdraw the entire  investment  by check.  The Fund  reserves the
right to terminate  this service at any time with respect to existing as well as
future stockholders. Redemption by check is not available if any shares are held
in  certificate  form or if shares  being  redeemed  have not been on the Fund's
books for at least 15 days.

When  investing in the Funds,  stockholders  are  required to furnish  their tax
identification  number  and  to  state  whether  or  not  they  are  subject  to
withholding  for prior  underreporting,  certified under penalties of perjury as
prescribed by the Internal  Revenue  Code.  To the extent  permitted by law, the
redemption proceeds of stockholders who fail to furnish this information will be
reduced by $50 to  reimburse  for the IRS penalty  imposed for failure to report
the tax identification number on information reports.

Payment in cash of the amount due on redemption,  less any  applicable  deferred
sales charge,  for shares  redeemed will be made within seven days after tender,
except that the Funds may suspend the right of redemption during any period when
trading on the New York Stock  Exchange is restricted or such Exchange is closed
for other than weekends or holidays,  or any emergency is deemed to exist by the
Securities and Exchange Commission.  When a redemption request is received,  the
redemption  proceeds are deposited into a redemption account  established by the
Distributor  and the  Distributor  sends a check  in the  amount  of  redemption
proceeds  to the  stockholder.  The  Distributor  earns  interest on the amounts
maintained  in  the  redemption  account.  Conversely,  the  Distributor  causes
payments  to be made to the Funds in the case of  orders  for  purchase  of Fund
shares before it actually receives federal funds.

In addition to the foregoing redemption  procedure,  the Funds repurchase shares
from  broker/dealers  at the price determined as of the close of business on the
day such offer is confirmed.  Dealers may charge a commission on the  repurchase
of shares.

The repurchase or redemption of shares held in a  tax-qualified  retirement plan
must be  effected  through the trustee of the plan and may result in adverse tax
consequences. (See "Retirement Plans," page 56.)

At various times the Funds may be requested to redeem shares for which they have
not yet received good payment. Accordingly, the Funds may delay the mailing of a
redemption  check  until  such time as they have  assured  themselves  that good
payment  (e.g.,  cash or certified  check on a U.S. bank) has been collected for
the  purchase  of such  shares,  which may take up to 15 days from the  purchase
date.

Municipal  Bond  Fund's  Articles of  Incorporation  provide  that,  in order to
minimize  expenses,  the Fund  may,  pursuant  to a  resolution  of the Board of
Directors,  adopt a procedure  whereby it would redeem  stockholder  accounts in
which  there  are  fewer  than 50  shares  (or such  lesser  amount as the board
determines) after having given the stockholders at least 60 days' written notice
and an opportunity to increase the account to at least 50 shares. This procedure
can be implemented only after six months' prior notice to all stockholders  that
the  procedure  will be put into effect.  The Board of Directors  has no present
plan to implement an involuntary redemption procedure.

TELEPHONE  REDEMPTIONS --  Stockholders  of the Funds may redeem  uncertificated
shares  in  amounts  up to  $10,000  by  telephone  request,  provided  that the
stockholder has completed the Telephone Redemption section of the application or
a Telephone  Redemption form which may be obtained from the Investment  Manager.
The proceeds of a telephone redemption will be sent to the stockholder at his or
her  address  as  set  forth  in  the  application  or in a  subsequent  written
authorization. Once authorization has been received by the Investment Manager, a
stockholder may redeem shares by calling the Funds at (800) 888-2461,  extension
3127, on weekdays (except holidays) between the hours of 7:00 a.m. and 6:00 p.m.
Central time.  Redemption  requests received by telephone after the close of the
New York Stock Exchange  (normally 3:00 p.m. Central time) will be treated as if
received on the next business day.  Telephone  redemptions  are not accepted for
IRA and 403(b)(7) accounts. A stockholder who authorizes  telephone  redemptions
authorizes the  Investment  Manager to act upon the  instructions  of any person
identifying  themselves as the owner of the account or the owner's  broker.  The
Investment  Manager has  established  procedures  to confirm  that  instructions
communicated  by telephone  are genuine and will be liable for any losses due to
fraudulent  or  unauthorized  instructions  if  it  fails  to  comply  with  its
procedures.   The  Investment  Manager's  procedures  require  that  any  person
requesting  a  redemption  by  telephone  provide the account  registration  and
number, the owner's tax  identification  number, and the dollar amount or number
of shares to be redeemed,  and such  instructions must be received on a recorded
line.  Neither the Fund, the Investment  Manager,  nor the  Distributor  will be
liable for any loss,  liability,  cost or expense  arising out of any redemption
request provided that the Investment Manager complied with its procedures. Thus,
a stockholder  who authorizes  telephone  redemptions  may bear the risk of loss
from a fraudulent or unauthorized  request.  The telephone  redemption privilege
may be  changed or  discontinued  at any time by the  Investment  Manager or the
Funds.

During periods of severe market or economic  conditions,  telephone  redemptions
may be difficult to implement and  stockholders  should make redemptions by mail
as described under "How to Redeem Shares," page 46.

HOW TO EXCHANGE SHARES


Pursuant to  arrangements  with the  Distributor,  stockholders of the Funds may
exchange  their shares for shares of another of the Funds,  or for shares of the
other mutual funds  distributed  by the  Distributor,  which  currently  include
Security  Equity,  Growth  and  Income,  Global,  Ultra,  Total  Return,  Social
Awareness, International,  Enhanced Index and Select 25 Funds. Such transactions
generally have the same tax consequences as ordinary sales and purchases and are
not tax-free exchanges.

Class A, Class B and Class C shares of  Diversified  Income  Fund and High Yield
Fund may be exchanged for Class A, Class B and Class C shares, respectively,  of
another of the funds  distributed by the Distributor or for shares of Cash Fund,
which offers a single  class of shares.  Class A and Class B shares of Corporate
Bond Fund,  Limited  Maturity Bond Fund and Municipal Bond Fund may be exchanged
for  Class  A and  Class  B  shares,  respectively,  of  another  of  the  funds
distributed by the Distributor or for shares of Cash Fund, which offers a single
class of  shares.  Any  applicable  contingent  deferred  sales  charge  will be
calculated  from the date of the  initial  purchase  without  regard to the time
shares were held in Cash Fund.


Because Cash Fund does not impose a sales charge in connection with sales of its
shares,  any exchange of Cash Fund shares  acquired  through direct  purchase or
reinvestment  of dividends will be based upon the respective net asset values of
the shares involved next determined after the exchange is accepted,  and a sales
charge will be imposed equal to the sales charge that would be applicable if the
stockholder  were  purchasing  shares of the other Fund  involved for cash.  The
amount  of  such  sales  charge  will be paid  by  Cash  Fund on  behalf  of the
exchanging  stockholder  directly to the  Distributor and the net asset value of
the shares being exchanged will be reduced by a like amount.

Stockholders  making such  exchanges  must provide the  Investment  Manager with
sufficient information to permit verification of their prior ownership of shares
of one of the other Security Funds.  Shares of Cash Fund begin earning dividends
on the day after the date an  exchange  into such shares is  effected.  Any such
exchange is subject to the minimum  investment and  eligibility  requirements of
each Fund. No service fee is presently imposed on such an exchange.

Exchanges may be  accomplished by submitting a written request to the Investment
Manager,  700 Harrison Street,  Topeka,  Kansas  66636-0001.  Broker/dealers who
process  exchange orders on behalf of their customers may charge a fee for their
services.  Such fee would be in  addition  to any of the sales or other  charges
referred to above but may be avoided by making exchange requests directly to the
Investment  Manager.  Due  to  the  high  cost  of  exchange  activity  and  the
maintenance of accounts having a net value of less than $100, Cash Fund reserves
the right to totally  convert  the  account if at any time an  exchange  request
results in an account being lowered below the $100 minimum.

An exchange of shares,  as described  above,  may result in the realization of a
capital gain or loss for federal  income tax purposes,  depending on the cost or
other value of the shares  exchanged.  No  representation  is made as to whether
gain or loss would  result from any  particular  exchange or as to the manner of
determining  the amount of gain or loss.  (See  "Dividends and Taxes," page 49.)
Before effecting any exchange  described  herein,  the investor may wish to seek
the advice of a financial or tax adviser.

Exchanges of shares of the Funds may be made only in jurisdictions  where shares
of the fund being acquired may lawfully be sold. More complete information about
the other Security Funds,  including charges and expenses,  are contained in the
current prospectus describing each Fund.  Stockholders are advised to obtain and
review carefully,  the applicable  prospectus prior to effecting any exchange. A
copy  of such  prospectus  will  be  given  any  requesting  stockholder  by the
Distributor.

The exchange privilege may be changed or discontinued any time at the discretion
of the  management  of the Funds  upon 60 days'  notice to  stockholders.  It is
contemplated,  however,  that this  privilege will be extended in the absence of
objection by  regulatory  authorities  and  provided  that shares of the various
funds are available and may be lawfully  sold in the  jurisdiction  in which the
stockholder resides.

EXCHANGE BY TELEPHONE -- To exchange  shares by telephone,  a  stockholder  must
have completed  either the Telephone  Exchange  section of the  application or a
Telephone Transfer  Authorization form which may be obtained from the Investment
Manager.  Authorization  must be on file  with  the  Investment  Manager  before
exchanges may be made by telephone.  Once authorization has been received by the
Investment  Manager,  a stockholder  may exchange shares by telephone by calling
the Funds at (800)  888-2461,  extension  3127,  on weekdays  (except  holidays)
between the hours of 7:00 a.m. and 6:00 p.m.  Central  time.  Exchange  requests
received by telephone  after the close of the New York Stock Exchange  (normally
3:00 p.m. Central time) will be treated as if received on the next business day.
Shares which are held in certificate form may not be exchanged by telephone. The
telephone  exchange  privilege is only permitted between accounts with identical
registration.  The Investment Manager has established procedures to confirm that
instructions  communicated  by telephone  are genuine and will be liable for any
losses due to fraudulent  or  unauthorized  instructions,  if it fails to comply
with its procedures. The Investment Manager's procedures require that any person
requesting an exchange by telephone provide the account registration and number,
the tax  identification  number,  the  dollar  amount  or number of shares to be
exchanged,  and the names of the  Security  Funds  from which and into which the
exchange  is to be made,  and such  instructions  must be received on a recorded
line.  Neither the Funds,  the Investment  Manager,  nor the Distributor will be
liable for any loss,  liability,  cost or expense  arising  out of any  request,
including any fraudulent  request provided the Investment  Manager complied with
its procedures.  Thus, a stockholder who authorizes telephone exchanges may bear
the risk of loss from a  fraudulent  or  unauthorized  request.  This  telephone
exchange  privilege may be changed or discontinued at any time at the discretion
of the management of the Funds.  In particular,  the Funds may set limits on the
amount and frequency of such  exchanges,  in general or as to any individual who
abuses such privilege.

DIVIDENDS AND TAXES

The following  summarizes  certain federal income tax  considerations  generally
affecting  the Funds and their  stockholders.  No  attempt  is made to present a
detailed  explanation  of the tax treatment of the Funds or their  stockholders,
and  the  discussion  here is not  intended  as a  substitute  for  careful  tax
planning.  The  discussion  is based upon  present  provisions  of the  Internal
Revenue  Code of 1986,  as amended (the  "Code"),  the  regulations  promulgated
thereunder, and judicial and administrative ruling authorities, all of which are
subject to change, which change may be retroactive. Prospective investors should
consult  their own tax advisors with regard to the federal tax  consequences  of
the purchase  ownership,  and  disposition  of Fund  shares,  as well as the tax
consequences  arising  under the laws of any state,  foreign  country,  or other
taxing jurisdiction.

Each Fund intends to qualify  annually and to elect to be treated as a regulated
investment  company  under the Internal  Revenue  Code of 1986,  as amended (the
"Code").  To qualify as a regulated  investment  company,  each Fund must, among
other  things:  (i) derive in each taxable year at least 90% of its gross income
from dividends, interest, payments with respect to certain securities loans, and
gains  from  the sale or other  disposition  of  stock,  securities  or  foreign
currencies, or other income derived with respect to its business of investing in
such stock, securities, or currencies ("Qualifying Income Test"); (ii) diversify
its  holdings so that,  at the end of each quarter of the taxable  year,  (a) at
least 50% of the market value of the Fund's assets is represented by cash,  cash
items, U.S. Government securities,  the securities of other regulated investment
companies,  and other  securities,  with such other securities of any one issuer
limited for the purposes of this calculation to an amount not greater than 5% of
the  value  of the  Fund's  total  assets  and  10% of  the  outstanding  voting
securities  of such issuer,  and (b) not more than 25% of the value of its total
assets  is  invested  in the  securities  of any one  issuer  (other  than  U.S.
Government   securities  or  the  securities  of  other   regulated   investment
companies),  or of two or more issuers  which the Fund controls (as that term is
defined in the relevant  provisions of the Code) and which are  determined to be
engaged  in the same or  similar  trades  or  businesses  or  related  trades or
businesses;  and  (iii)  distribute  at least  90% of the sum of its  investment
company taxable income (which includes, among other items, dividends,  interest,
and net short-term  capital gains in excess of any net long-term capital losses)
and its net tax-exempt  interest each taxable year.  The Treasury  Department is
authorized to promulgate  regulations  under which foreign  currency gains would
constitute  qualifying income for purposes of the Qualifying Income Test only if
such gains are  directly  related to  investing  in  securities  (or options and
futures with respect to  securities).  To date,  no such  regulations  have been
issued.

A Fund  qualifying  as a  regulated  investment  company  generally  will not be
subject to U.S. federal income tax on its investment  company taxable income and
net  capital  gains  (any  net  long-term  capital  gains in  excess  of the net
short-term  capital losses),  if any, that it distributes to shareholders.  Each
Fund intends to distribute to its stockholders, at least annually, substantially
all of its investment company taxable income and any net capital gains.

Generally,  regulated  investment  companies,  like the Funds,  must  distribute
amounts  on a timely  basis in  accordance  with a  calendar  year  distribution
requirement in order to avoid a nondeductible 4% excise tax. Generally, to avoid
the tax, a regulated  investment  company must  distribute  during each calendar
year,  (i) at least 98% of its  ordinary  income (not  taking  into  account any
capital gains or losses) for the calendar year, (ii) at least 98% of its capital
gains in excess of its capital losses (adjusted for certain ordinary losses) for
the 12-month  period  ending on October 31 of the calendar  year,  and (iii) all
ordinary  income and capital gains for previous years that were not  distributed
during such years. To avoid  application of the excise tax, each Fund intends to
make its  distributions  in  accordance  with  the  calendar  year  distribution
requirement.  A distribution,  including an "exempt-interest  dividend," will be
treated as paid on December 31 of the calendar  year if it is declared by a Fund
in October,  November or  December of that year to  shareholders  of record on a
date in such a month  and  paid by the  Fund  during  January  of the  following
calendar year.  Such  distributions  are taxable to shareholders in the calendar
year in which the distributions  are declared,  rather than the calendar year in
which the distributions are received.

If, as a result of  exchange  controls  or other  foreign  laws or  restrictions
regarding  repatriation  of capital,  a Fund were unable to distribute an amount
equal  to  substantially  all of  its  investment  company  taxable  income  (as
determined for U.S. tax purposes) within applicable time periods, the Fund would
not qualify for the favorable  federal income tax treatment  afforded  regulated
investment companies,  or, even if it did so qualify, it might become liable for
federal taxes on  undistributed  income.  In addition,  the ability of a Fund to
obtain  timely  and  accurate  information  relating  to  its  investments  is a
significant  factor in complying with the  requirements  applicable to regulated
investment  companies in making tax-related  computations.  Thus, if a Fund were
unable to obtain  accurate  information on a timely basis, it might be unable to
qualify as a regulated  investment  company,  or its tax  computations  might be
subject to revisions  (which could result in the  imposition of taxes,  interest
and penalties).


It is the policy of Corporate Bond, Limited Maturity Bond,  Diversified  Income,
High Yield and Municipal Bond Funds to pay dividends from net investment  income
monthly. It is the policy of the Funds to make distributions of realized capital
gains (if any) in excess of any capital  losses and capital loss  carryovers  at
least once a year. Because Class A shares of the Funds bear most of the costs of
distribution of such shares through  payment of a front-end sales charge,  while
Class B and  Class C shares  of the  Funds  bear  such  costs  through  a higher
distribution fee, expenses attributable to Class B and Class C shares, generally
will be higher  and as a result,  income  distributions  paid by the Funds  with
respect  to Class B and Class C shares  generally  will be lower than those paid
with  respect  to  Class  A  shares.   All  dividends  and   distributions   are
automatically  reinvested on the payable date in shares of the Fund at net asset
value,  as of the record date  (reduced by an amount  equal to the amount of the
dividend or distribution),  unless the Investment Manager is previously notified
in writing by the  stockholder  that such dividends or  distributions  are to be
received in cash. A stockholder may request that such dividends or distributions
be directly  deposited to the  stockholder's  bank account.  A  stockholder  who
elected not to reinvest  dividends or distributions paid with respect to Class A
shares may, at any time within thirty days after the payment date,  reinvest the
dividend check without imposition of a sales charge.


Cash Fund's  policy is to declare daily  dividends of all of its net  investment
income each day the Fund is open for  business,  increased  or  decreased by any
realized capital gains or losses.  Such dividends are automatically  credited to
stockholder  accounts.  Unless  stockholders  elect to receive  cash,  they will
receive such  dividends in additional  shares on the first  business day of each
month at the net asset  value on that date.  If cash is desired,  investors  may
indicate so in the  appropriate  section of the  application  and checks will be
mailed within five business days after the beginning of the month. The amount of
dividend may fluctuate from day to day. If on any day net realized or unrealized
losses on  portfolio  securities  exceed  Cash  Fund's  income  for that day and
results in a decline of net asset value per share below $1.00,  the dividend for
that day will be  omitted  until  the net asset  value  per  share  subsequently
returns to $1.00 per share.

The Funds will not pay dividends or  distributions  of less than $25 in cash but
will automatically reinvest them. Distributions of net investment income and any
short-term  capital  gains by Income  Fund or Cash Fund are  taxable as ordinary
income  whether  received in cash or  reinvested in  additional  shares.  To the
extent that  Municipal  Bond Fund's  dividends  are derived from interest on its
temporary taxable  investments or from an excess of net short-term  capital gain
over net long-term  capital loss,  its dividends are taxable as ordinary  income
whether received in cash or reinvested in additional  shares.  Such dividends do
not qualify for the dividends-received deduction for corporations.

The  excess of net  long-term  capital  gains  over  short-term  capital  losses
realized  and  distributed  by the  Funds  or  reinvested  in Fund  shares  will
generally be taxable to  shareholders  as long-term  capital  gain.  Net capital
gains from assets  held for one year or less will be taxed as  ordinary  income.
Distributions  will be subject to these  capital  gains rates  regardless of how
long a  shareholder  has held Fund shares.  Because Cash Fund  normally will not
invest in  securities  having a  maturity  of more than one year,  it should not
realize any long-term  capital  gains or losses.  Advice as to the tax status of
each year's dividends and distributions will be mailed annually.

Municipal Bond Fund intends to qualify to pay "exempt-interest dividends" to its
stockholders.  The Fund will be so qualified if, at the close of each quarter of
its  taxable  year,  at least 50% of the value of its total  assets  consists of
securities  on which the  interest  payments are exempt from federal tax. To the
extent that Municipal Bond Fund's  dividends  distributed  to  stockholders  are
derived  from  earnings  on  interest  income  exempt  from  federal tax and are
designated as  "exempt-interest  dividends" by the Fund, they will be excludable
from a  stockholder's  gross income for federal  income tax purposes.  Municipal
Bond Fund will  inform  stockholders  annually  as to the portion of that year's
distributions from the Fund which constituted "exempt-interest dividends."

Federal  tax law  imposes  an  alternative  minimum  tax  with  respect  to both
corporations and individuals based on certain items of tax preference.  Interest
on certain municipal obligations, such as bonds issued to make loans for housing
purposes or to private  entities  (but not to certain  tax-exempt  organizations
such as  universities  and  non-profit  hospitals) is included as an item of tax
preference in determining the amount of a taxpayer's alternative minimum taxable
income.  To the extent that the Fund receives income from municipal  obligations
treated as a tax preference item for purposes of the alternative  minimum tax, a
portion of the  dividends  paid by it,  although  otherwise  exempt from federal
income  tax,  will be  taxable  to  shareholders  to the  extent  that their tax
liability will be determined  under the  alternative  minimum tax. The Fund will
annually  supply  shareholders  with a report  indicating the percentage of Fund
income attributable to municipal  obligations subject to the alternative minimum
tax.  Additionally,  taxpayers must disclose to the Internal  Revenue Service on
their  tax  returns  the  entire  amount  of  tax-exempt   interest   (including
exempt-interest  dividends on shares of the Fund) received or accrued during the
year.

In  addition,  for  corporations,  the  alternative  minimum  taxable  income is
increased  by a  percentage  of the  amount by which an  alternative  measure of
income ("adjusted  current  earnings",  referred to as "ACE") exceeds the amount
otherwise  determined to be the alternative minimum taxable income.  Interest on
all municipal obligations,  and therefore all exempt-interest  dividends paid by
the Fund, is included in calculating  ACE.  Taxpayers that may be subject to the
alternative  minimum tax should consult their tax advisers  before  investing in
the Municipal Bond Fund.

To the extent that  Municipal Bond Fund's  interest  income is  attributable  to
private activity bonds,  dividends  allocable to such income,  while exempt from
the regular  federal  income tax, may  constitute an item of tax  preference for
purposes of the alternative minimum tax. In addition, for corporate stockholders
of  Municipal  Bond  Fund,  exempt  interest  may  comprise  part  or  all of an
adjustment to alternative minimum taxable income.

Stockholders of the Funds who redeem their shares generally will realize gain or
loss upon the sale or redemption (including the exchange of shares for shares of
another  fund)  which  will be capital  gain or loss if the  shares are  capital
assets in the  stockholder's  hands,  and will be  taxable  to  stockholders  as
long-term  capital  gains if the  shares had been held for more than one year at
the time of sale or  redemption.  Net capital gains on shares held for less than
one year will be taxable to shareholders as ordinary income. Investors should be
aware that any loss  realized upon the sale or redemption of shares held for six
months or less will be treated as a long-term  capital loss to the extent of any
distribution of long-term  capital gain to the stockholder  with respect to such
shares.  In addition,  any loss realized on a sale or exchange of shares will be
disallowed to the extent the shares  disposed of are replaced within a period of
61 days,  beginning  30 days before and ending 30 days after the date the shares
are  disposed of, such as pursuant to the  reinvestment  of  dividends.  In such
case,  the  basis  of the  shares  acquired  will be  adjusted  to  reflect  the
disallowed loss.

Under  certain  circumstances,  the sales charge  incurred in acquiring  Class A
shares of a Fund may not be taken into account in  determining  the gain or loss
on the  disposition  of those shares.  This rule applies in  circumstances  when
shares  of the Fund are  exchanged  within  90 days  after  the date  they  were
purchased and new shares in a regulated  investment company are acquired without
a sales  charge or at a reduced  sales  charge.  In that case,  the gain or loss
recognized on the exchange will be determined by excluding from the tax basis of
the shares  exchanged all or a portion of the sales charge incurred in acquiring
those shares. This exclusion applies to the extent that the otherwise applicable
sales charge with respect to the newly acquired shares is reduced as a result of
having incurred the sales charge  initially.  Instead,  the portion of the sales
charge  affected  by this rule  will be  treated  as an amount  paid for the new
shares.

Up to 85% of an  individual's  Social  Security  benefits  and certain  railroad
retirement  benefits  may be  subject to federal  income  tax.  Along with other
factors,  total  tax-exempt  income,  including  any  exempt-interest  dividends
received  from  Municipal  Bond Fund, is used to calculate the portion of Social
Security benefits that is taxed.

Under the Internal  Revenue Code, a stockholder  may not deduct all or a portion
of interest on indebtedness incurred or continued to purchase or carry shares of
an investment company paying exempt-interest dividends. In addition, under rules
issued by the Internal  Revenue Service for determining  when borrowed funds are
considered  used for the purposes of purchasing or carrying  particular  assets,
the purchase of shares may be considered  to have been made with borrowed  funds
even though the  borrowed  funds are not  directly  traceable to the purchase of
shares.

A deductible "environmental tax" of 0.12% is imposed on a corporation's modified
alternative  minimum taxable income in excess of $2 million.  The  environmental
tax  will  be  imposed  even  if  the  corporation  is  not  required  to pay an
alternative  minimum tax because the corporation's  regular income tax liability
exceeds its minimum tax liability. To the extent that exempt-interest  dividends
paid by Municipal Bond Fund are included in alternative  minimum taxable income,
corporate stockholders may be subject to the environmental tax.

Opinions  relating to the validity of municipal  securities and the exemption of
interest  thereon  from  federal  income tax are rendered by bond counsel to the
issuer.  Neither the Investment  Manager nor Municipal Bond Fund's counsel makes
any review of  proceedings  relating to the issuance of municipal  securities or
the bases of such opinions.

The  Funds  are  required  by  law to  withhold  31% of  taxable  dividends  and
distributions  to  stockholders  who  do  not  furnish  their  correct  taxpayer
identification  numbers,  or are  otherwise  subject to the  backup  withholding
provisions of the Internal Revenue Code.

Each of Corporate Bond Fund, Limited Maturity Bond Fund, Diversified Income Fund
and High Yield Fund (the Series of Income  Fund) will be treated  separately  in
determining  the amounts of income and  capital  gains  distributions.  For this
purpose, each Fund will reflect only the income and gains, net of losses of that
Fund.

A purchase of shares shortly before payment of a dividend or distribution  would
be  disadvantageous  because the dividend or distribution to the purchaser would
have the effect of  reducing  the per share net asset value of his or her shares
by the amount of the dividends or distributions. In addition all or a portion of
such  dividends or  distributions,  although in effect a return of capital,  are
subject to taxes, which may be at ordinary income tax rates.

OPTIONS,  FUTURES AND FORWARD  CONTRACTS AND SWAP AGREEMENTS -- Certain options,
futures  contracts,  and  forward  contracts  in which a Fund may  invest may be
"Section 1256  contracts."  Gains or losses on Section 1256 contracts  generally
are  considered  60%  long-term  and 40%  short-term  capital  gains or  losses;
however,  foreign  currency  gains or losses  arising from certain  Section 1256
contracts  may be  treated  as  ordinary  income  or loss.  Also,  Section  1256
contracts  held by a Fund at the end of each taxable year (and at certain  other
times as prescribed pursuant to the Code) are "marked to market" with the result
that unrealized gains or losses are treated as though they were realized.

Generally,  the  hedging  transactions  undertaken  by  a  Fund  may  result  in
"straddles" for U.S. federal income tax purposes.  The straddle rules may affect
the  character  of gains (or losses)  realized by a Fund.  In  addition,  losses
realized  by a Fund on  positions  that are part of a straddle  may be  deferred
under the straddle  rules,  rather than being taken into account in  calculating
the  taxable  income for the  taxable  year in which such  losses are  realized.
Because  only a few  regulations  implementing  the  straddle  rules  have  been
promulgated,  the tax consequences of transactions in options,  futures, forward
contracts,  swap  agreements  and other  financial  contracts  to a Fund are not
entirely clear. The  transactions may increase the amount of short-term  capital
gain realized by a Fund which is taxed as ordinary  income when  distributed  to
shareholders.

A Fund may make one or more of the elections  available under the Code which are
applicable  to  straddles.  If a Fund makes any of the  elections,  the  amount,
character  and timing of the  recognition  of gains or losses from the  affected
straddle  positions  will be determined  under rules that vary  according to the
election(s)  made.  The rules  applicable  under  certain of the  elections  may
operate to  accelerate  the  recognition  of gains or losses  from the  affected
straddle positions.

Because  application  of the straddle rules may affect the character of gains or
losses,  defer losses and/or  accelerate the recognition of gains or losses from
the  affected  straddle  positions,  the  amount  which must be  distributed  to
shareholders,  and which will be taxed to  shareholders  as  ordinary  income or
long-term capital gain, may be increased or decreased as compared to a fund that
did not engage in such hedging transactions.

Because only a few regulations  regarding the treatment of swap agreements,  and
related caps, floors and collars, have been implemented, the tax consequences of
such  transactions  are not entirely clear. The Funds intend to account for such
transactions  in a manner  deemed by them to be  appropriate,  but the  Internal
Revenue Service might not necessarily accept such treatment.  If it did not, the
status of a Fund as a regulated investment company might be affected.

The requirements  applicable to a Fund's qualification as a regulated investment
company  may  limit  the  extent  to  which a Fund  will be  able to  engage  in
transactions in options, futures contracts,  forward contracts,  swap agreements
and other financial contracts.

MARKET DISCOUNT -- If a Fund purchases a debt security at a price lower than the
stated  redemption  price  of such  debt  security,  the  excess  of the  stated
redemption price over the purchase price is "market discount".  If the amount of
market  discount  is more than a DE MINIMIS  amount,  a portion  of such  market
discount  must be included as ordinary  income (not capital gain) by the Fund in
each taxable  year in which the Fund owns an interest in such debt  security and
receives a principal payment on it. In particular,  the Fund will be required to
allocate that principal  payment first to the portion of the market  discount on
the debt security  that has accrued but has not  previously  been  includable in
income. In general, the amount of market discount that must be included for each
period is equal to the  lesser of (i) the  amount  of market  discount  accruing
during  such period  (plus any accrued  market  discount  for prior  periods not
previously taken into account) or (ii) the amount of the principal  payment with
respect to such period. Generally,  market discount accrues on a daily basis for
each day the debt  security  is held by a Fund at a constant  rate over the time
remaining to the debt security's  maturity or, at the election of the Fund, at a
constant yield to maturity which takes into account the semi-annual  compounding
of interest.  Gain realized on the disposition of a market  discount  obligation
must be recognized as ordinary  interest income (not capital gain) to the extent
of the "accrued market discount."

ORIGINAL ISSUE DISCOUNT -- Certain debt securities  acquired by the Funds may be
treated as debt  securities  that were  originally  issued at a  discount.  Very
generally,  original  issue  discount is defined as the  difference  between the
price  at  which a  security  was  issued  and its  stated  redemption  price at
maturity.  Although  no cash  income on account  of such  discount  is  actually
received by a Fund, original issue discount that accrues on a debt security in a
given year generally is treated for federal income tax purposes as interest and,
therefore,  such  income  would  be  subject  to the  distribution  requirements
applicable to regulated investment companies.

Some debt  securities  may be purchased by the Funds at a discount  that exceeds
the original issue  discount on such debt  securities,  if any. This  additional
discount represents market discount for federal income tax purposes (see above).

CONSTRUCTIVE SALES -- Recently enacted rules may affect the timing and character
of gain if a Fund engages in  transactions  that reduce or eliminate its risk of
loss with respect to appreciated  financial  positions.  If the Fund enters into
certain transactions in property while holding substantially identical property,
the Fund  would be  treated as if it had sold and  immediately  repurchased  the
property  and  would be taxed on any gain  (but no loss)  from the  constructive
sale.  The  character  of gain from a  constructive  sale would  depend upon the
Fund's  holding period in the property.  Loss from a constructive  sale would be
recognized  when the property was  subsequently  disposed of, and its  character
would depend on the Fund's  holding  period and the  application of various loss
deferral provisions of the Code.

FOREIGN  TAXATION  -- Income  received by a Fund from  sources  within a foreign
country may be subject to  withholding  and other taxes imposed by that country.
Tax conventions  between certain  countries and the U.S. may reduce or eliminate
such taxes.

The payment of such taxes will reduce the amount of dividends and  distributions
paid to the Funds'  stockholders.  So long as a Fund  qualifies  as a  regulated
investment company,  certain distribution  requirements are satisfied,  and more
than 50% of such  Fund's  assets at the close of the  taxable  year  consists of
securities of foreign corporation, the fund may elect, subject to limitation, to
pass through its foreign tax credits to its stockholders.

OTHER TAXES -- The foregoing discussion is general in nature and is not intended
to provide an exhaustive  presentation of the tax consequences of investing in a
Fund.  Distributions may also be subject to additional state,  local and foreign
taxes, depending on each shareholder's particular situation.  Depending upon the
nature and extent of a Fund's contacts with a state or local  jurisdiction,  the
Fund may be subject to the tax laws of such jurisdiction if it is regarded under
applicable  law as doing  business in, or as having  income  derived  from,  the
jurisdiction.  Persons who may be "substantial  users" (or "related  persons" of
substantial  users) of  facilities  financed by private  activity  bonds  should
consult their tax adviser before  purchasing  Municipal  Bond Fund shares.  (See
"Municipal  Securities," page 11.) Shareholders are advised to consult their own
tax  advisers  with respect to the  particular  tax  consequences  to them of an
investment in a Fund.

ORGANIZATION

The Articles of Incorporation of Income and Municipal Bond Funds provide for the
issuance  of shares of common  stock in one or more  classes  or series  and the
Articles of Cash Fund provide for the issuance of stock in one or more series.


Income Fund has  authorized  the issuance of an  indefinite  number of shares of
capital stock of $1.00 par value and currently issues its shares in five series,
Corporate Bond Fund,  Limited Maturity Bond Fund,  Diversified Income Fund, High
Yield Fund and Capital  Preservation  Fund.  The shares of each Series of Income
Fund represent a pro rata beneficial  interest in that Series' net assets and in
the earnings and profits or losses  derived from the  investment of such assets.
Municipal Bond and Cash Funds have not issued shares in any additional series at
the present time.  Municipal Bond and Cash Funds have authorized the issuance of
an indefinite number of shares of capital stock of $0.10 par value.

Corporate  Bond Fund,  Limited  Maturity  Bond  Fund,  and  Municipal  Bond Fund
currently  issue two classes of shares.  Diversified  Income Fund and High Yield
Fund currently issue three classes of shares which  participate  proportionately
based on their relative net asset values in dividends and distributions and have
equal voting,  liquidation and other rights except that (i) expenses  related to
the  distribution  of each class of shares or other  expenses  that the Board of
Directors may designate as class expenses from time to time, are borne solely by
each class;  (ii) each class of shares has exclusive  voting rights with respect
to any Distribution Plan adopted for that class;  (iii) each class has different
exchange  privileges;  and (iv) each  class has a  different  designation.  When
issued and paid for,  the  shares of  Corporate  Bond,  Limited  Maturity  Bond,
Diversified Income, High Yield, Municipal Bond and Cash Funds will be fully paid
and nonassessable by the Funds.  Shares may be exchanged as described under "How
to Exchange  Shares,"  page 47, but will have no other  preference,  conversion,
exchange  or  preemptive  rights.   Shares  are  transferable,   redeemable  and
assignable and have cumulative voting privileges for the election of directors.


On certain matters, such as the election of directors,  all shares of the Series
of Income Fund vote  together  with each share having one vote. On other matters
affecting a particular Series,  such as the investment  advisory contract or the
fundamental  policies,  only shares of that Series are  entitled to vote,  and a
majority  vote of the shares of that  Series is  required  for  approval  of the
proposal.

The Funds do not generally hold annual meetings of  stockholders  and will do so
only when required by law. Stockholders may remove directors from office by vote
cast in person or by proxy at a meeting of stockholders.  Such a meeting will be
called at the written request of 10% of a Fund's outstanding shares.

CUSTODIAN, TRANSFER AGENT AND DIVIDEND-PAYING AGENT


UMB Bank,  N.A.,  928 Grand  Avenue,  Kansas  City,  Missouri  64106 acts as the
custodian for the portfolio  securities of Corporate Bond Fund, Limited Maturity
Bond Fund,  Diversified  Income Fund,  High Yield Fund,  Municipal Bond Fund and
Cash Fund.  Security  Management  Company,  LLC acts as the Funds'  transfer and
dividend-paying agent.


INDEPENDENT AUDITORS


The firm of  ____________  has been selected by the Funds to serve as the Funds'
independent auditors,  and as such, will perform the annual audit of each Fund's
financial statements.


PERFORMANCE INFORMATION

The  Funds  may,  from  time  to  time,  include   performance   information  in
advertisements,  sales  literature  or reports to  stockholders  or  prospective
investors.  Performance information in advertisements or sales literature may be
expressed as yield for each of the Funds, effective yield for Cash Fund, taxable
equivalent  yield for  Municipal  Bond Fund and average  annual total return and
aggregate total return for Municipal Bond and Income Funds.


For Cash Fund,  the  current  yield will be based upon the seven  calendar  days
ending on the date of calculation ("the base period").  The total net investment
income  earned,  exclusive of realized  capital  gains and losses or  unrealized
appreciation  and  depreciation,  during  the  base  period,  on a  hypothetical
pre-existing  account having a balance of one share will be divided by the value
of the account at the beginning of that period.  The resulting figure ("the base
period  return") will then be  multiplied by 365/7 to obtain the current  yield.
Cash Fund's  current yield for the seven-day  period ended December 31, 1999 was
5.28%.

Cash Fund's  effective  (or compound)  yield for the same period was 5.42%.  The
effective yield reflects the compounding of the current yield by reinvesting all
dividends and will be computed by compounding the base period return by adding 1
to the base period return, raising the sum to a power equal to 365 divided by 7,
and  subtracting  1 from the  result.  The yield of the Fund may be  obtained by
calling the Fund.


Investors  should  recognize  that  investment in Cash Fund is not guaranteed or
insured by any state, federal or government agency or by any other person.

With respect to Income Fund and Municipal Bond Fund, quotations of yield will be
based on the  investment  income per share  earned  during a  particular  30-day
period,  less  expenses per share  accrued  during the period  ("net  investment
income") and will be computed by dividing net  investment  income by the maximum
offering  price  per  share  on the  last day of the  period,  according  to the
following formula:

                                      A - B
                           YIELD = 2((----- + 1)^ 6 - 1)
                                       CD

where A = dividends and interest earned during the period,  B = expenses accrued
for the period  (net of any  reimbursements),  C = the average  daily  number of
shares  outstanding  during the period that were entitled to receive  dividends,
and D = the maximum offering price per share on the last day of the period.

Municipal Bond Fund's  tax-equivalent  yield,  like yield,  is based on a 30-day
period and is computed by dividing that portion of the Fund's yield (computed as
described  above) which is  tax-exempt by one minus a stated income tax rate and
adding the resulting figure to that portion of the Fund's yield, if any, that is
not tax-exempt.


For the 30-day period ended  December 31, 1999,  the yield for each Fund was the
following:

- ----------------------------------------------------
                                CLASS A    CLASS B
- ----------------------------------------------------
Corporate Bond Fund              6.58%      6.13%
Diversified Income Fund          5.77%      5.22%
Municipal Bond Fund              4.31%      3.83%
Limited Maturity Bond Fund       6.98%      6.27%
High Yield Fund                  9.43%      8.90%
- ----------------------------------------------------

For the  same  period,  the tax  equivalent  yield  for the  Class A  shares  of
Municipal  Bond Fund  assuming  a 15% income tax rate and a 28% income tax rate,
respectively, was 5.07% and 5.99%.

For the  same  period,  the tax  equivalent  yield  for the  Class B  shares  of
Municipal  Bond Fund  assuming  a 15% income tax rate and a 28% income tax rate,
respectively, was 4.51% and 5.32%.


There is no  assurance  that a yield quoted will remain in effect for any period
of time.  Inasmuch as certain  estimates must be made in computing average daily
yield,  actual  yields may vary and will depend upon such factors as the type of
instruments in the Fund's portfolio,  the portfolio quality and average maturity
of such  instruments,  changes in interest  rates and the actual Fund  expenses.
Yield  computations  will  reflect the  expense  limitations  described  in this
Prospectus under "Investment Manager."

Quotations  of average  annual  total  return will be  expressed in terms of the
average annual compounded rate of return of a hypothetical  investment in Income
Fund or Municipal Bond Fund over periods of 1, 5 and 10 years (up to the life of
the Fund), calculated pursuant to the following formula:

                         P(1 + T)^n = ERV

(where P = a  hypothetical  initial  payment of $1,000,  T = the average  annual
total return, n = the number of years, and ERV = the ending  redeemable value of
a hypothetical $1,000 payment made at the beginning of the period).  All average
annual total return  figures will reflect the  deduction of the maximum  initial
sales load in the case of  quotations  of  performance  of Class A shares or the
applicable  contingent  deferred  sales  charge  in the  case of  quotations  of
performance  of Class B shares and a  proportional  share of Fund expenses on an
annual basis,  and assume that all dividends and  distributions  are  reinvested
when paid.


For the 1-, 5- and 10-year  periods ended  December 31, 1999, the average annual
total return for each Fund was the following:

<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------------
                                      1 YEAR                   5 YEARS                 10 YEARS
- ------------------------------------------------------------------------------------------------------
                                 CLASS A   CLASS B       CLASS A    CLASS B       CLASS A    CLASS B
<S>                             <C>        <C>            <C>       <C>            <C>       <C>
Corporate Bond Fund             (8.30)%    (9.30)%        4.95%     4.78%          6.00%     0.00%(1)
Diversified Income Fund         (8.23)%    (9.36)%        6.17%     5.79%          6.35%     3.20%(1)
Municipal Bond Fund             (8.03)%    (8.96)%        4.57%     4.11%          5.07%     1.89%(1)
Limited Maturity Bond Fund      (6.45)%    (7.74)%        4.85%(2)  4.46%(2)        ---        ---
High Yield Fund                 (5.23)%    (6.28)%        4.93%(3)  4.77%(3)        ---        ---
- ------------------------------------------------------------------------------------------------------
<FN>
1 From October 19, 1993 (date of inception) to December 31, 1999
2 From January 17, 1995 (date of inception) to December 31, 1999
3 From August 5, 1996 (date of inception) to December 31, 1999
</FN>
- ------------------------------------------------------------------------------------------------------
</TABLE>


The aggregate total return for Income and Municipal Bond Funds is calculated for
any specified period of time pursuant to the following formula:

                         P(1 + T)^n = ERV

(where P = a hypothetical  initial payment of $1,000, T = the total return,  and
ERV = the ending  redeemable value of a hypothetical  $1,000 payment made at the
beginning of the period).  All aggregate  total return  figures will assume that
all dividends and  distributions  are reinvested  when paid. The Funds may, from
time to time,  include  quotations of total return that do not reflect deduction
of the sales load  which,  if  reflected,  would  reduce the total  return  data
quoted.


For the periods  ended  December  31,  1999,  the  aggregate  total return on an
investment for each Fund calculated as described above was the following:

- --------------------------------------------------------
                                 CLASS A      CLASS B
- --------------------------------------------------------
Corporate Bond Fund              88.0%(1)     28.3%(2)
Diversified Income Fund          94.1%(1)     21.6%(2)
Municipal Bond Fund              72.1%(1)     12.3%(2)
Limited Maturity Bond Fund       32.8%(3)     26.1%(3)
High Yield Fund                  23.7%(4)     20.2%(4)
- --------------------------------------------------------
1   From December 31, 1989
2   From October 19, 1993
3   From January 17, 1995
4   From August 5, 1996 (date of inception)
- --------------------------------------------------------

These figures reflect  deduction of the maximum initial sales load and deduction
of the maximum  contingent  deferred  sales charge.  Fee waivers  and/or expense
reimbursements  were in effect for each of the Funds in the year ended  December
31, 1999.  In the absence of the waivers  and/or  reimbursements,  the yield and
performance quoted above would be reduced.


In addition,  quotations of aggregate  total return will also be calculated  for
several consecutive one-year periods expressing the total return as a percentage
increase or decrease in the value of the  investment  for each year  relative to
the ending value for the previous year.

Quotations  of yield,  tax-equivalent  yield,  average  annual  total return and
aggregate  total  return will  reflect only the  performance  of a  hypothetical
investment  during the particular  time period shown.  Such quotations will vary
based on changes in market conditions and the level of the Fund's expenses,  and
no reported performance figure should be considered an indication of performance
which may be expected in the future.

In connection with communicating its yield, tax-equivalent yield, average annual
total return or aggregate  total return to current or prospective  stockholders,
each Fund also may compare  these  figures to the  performance  of other  mutual
funds tracked by mutual fund rating services or to other unmanaged indexes which
may assume reinvestment of dividends but generally do not reflect deductions for
administrative and management costs. Each Fund will include performance data for
both  Class A and  Class B shares  of the Fund in any  advertisement  or  report
including performance data of the Fund. Such mutual fund rating services include
the following: Lipper Analytical Services; Morningstar, Inc.; Investment Company
Data;  Schabacker  Investment  Management;   Wiesenberger  Investment  Companies
Service; Computer Directions Advisory (CDA); and Johnson Charts.

RETIREMENT PLANS

Corporate Bond, Limited Maturity Bond,  Diversified  Income, High Yield and Cash
Funds  offer   tax-qualified   retirement  plans  for  individuals   (Individual
Retirement Accounts,  known as IRAs), several prototype retirement plans for the
self-employed (Keogh plans),  pension and profit-sharing plans for corporations,
and  custodial  account  plans  for  employees  of  public  school  systems  and
organizations  meeting the  requirements  of Section  501(c)(3)  of the Internal
Revenue Code.  Actual  documents and detailed  materials about the plans will be
provided upon request to the Distributor.

Purchases of Corporate Bond,  Limited Maturity Bond,  Diversified  Income,  High
Yield  and Cash Fund  shares  under  any of these  plans are made at the  public
offering  price  next  determined  after   contributions  are  received  by  the
Distributor.  Shares owned under any of the plans have full dividend, voting and
redemption  privileges.  Depending  upon  the  terms  of  the  particular  plan,
retirement benefits may be paid in a lump sum or in installment  payments over a
specified period. There are possible penalties for premature  distributions from
such plans.

Security Management Company,  LLC is available to act as custodian for the plans
on a fee basis.  For IRAs,  SIMPLE IRAs,  Section 403(b)  Retirement  Plans, and
Simplified  Employee  Pension  Plans  (SEPPs),  service fees for such  custodial
services currently are: (1) $10 for annual  maintenance of the account,  and (2)
benefit distribution fee of $5 per distribution. Service fees for other types of
plans will vary.  These fees will be  deducted  from the plan  assets.  Optional
supplemental services are available from Security Benefit Life Insurance Company
for additional charges.

Retirement  investment programs involve commitments covering future years. It is
important that the investment objective and structure of Corporate Bond, Limited
Maturity Bond,  Diversified  Income,  High Yield and Cash Funds be considered by
the investors  for such plans.  Investments  in insurance and annuity  contracts
also may be purchased in addition to shares of the Funds.

A brief description of the available tax-qualified  retirement plans is provided
below.  However, the tax rules applicable to such qualified plans vary according
to the type of plan and the terms and conditions of the plan itself.  Therefore,
no attempt is made to provide  more than general  information  about the various
types of qualified plans.  Because Municipal Bond Fund's investment objective is
to obtain a high level of interest  income exempt from federal taxes,  Municipal
Bond Fund is not an appropriate investment for retirement plans.

Investors  are  urged to  consult  their  own  attorneys  or tax  advisers  when
considering the establishment and maintenance of any such plans.

INDIVIDUAL RETIREMENT ACCOUNTS (IRAS)

Individual  Retirement  Account  Custodial  Agreements  are available to provide
investment  in shares of Corporate  Bond,  Limited  Maturity  Bond,  Diversified
Income,  High Yield or Cash Fund,  or in other Funds in the Security  Group.  An
individual  may  initiate  an IRA  through  the  Distributor  by  executing  the
custodial  agreement and making a minimum initial investment of at least $100. A
$10 annual fee is charged for maintaining the account.

An individual  may make a contribution  to a traditional  IRA each year of up to
the lesser of $2,000 or 100% of earned  income  under  current tax law. The IRAs
described in this paragraph are called  "traditional  IRAs" to distinguish  them
from the "Roth IRAs" which  became  available in 1998.  Roth IRAs are  described
below.  Spousal IRAs allow an individual  and his or her spouse to contribute up
to $2,000 to their  respective  IRAs so long as a joint tax  return is filed and
joint income is $4,000 or more. The maximum amount the higher compensated spouse
may  contribute  for the year is the  lesser of $2,000 or 100% of that  spouse's
compensation.  The maximum the lower  compensated  spouse may  contribute is the
lesser of (i) $2,000 or (ii) 100% of that spouse's  compensation plus the amount
by which the higher  compensated  spouse's  compensation  exceeds the amount the
higher compensated spouse contributes to his or her IRA.

An individual may make a contribution  to a traditional  IRA which is deductible
for federal income tax purposes. A contribution is deductible if (i) neither the
individual  nor his or her  spouse is an  active  participant  in an  employer's
retirement  plan, or (ii) the individual (and his or her spouse,  if applicable)
has an adjusted  gross income below a specified  level.  The income limits began
gradually  increasing  starting  with tax years  beginning  in 1998,  eventually
reaching  $50,000-$60,000 for single filers in 2005 and thereafter (and reaching
$80,000-$100,000  if married jointly in 2007 and thereafter).  In addition,  for
tax years beginning  after 1997, a married  individual may make a deductible IRA
contribution even though the individual's  spouse is an active  participant in a
qualified employer's  retirement plan, subject to a phase-out for adjusted gross
income between $150,000-$160,000. However, an individual not permitted to make a
deductible   contribution  to  an  IRA  may  nevertheless   make   nondeductible
contributions  up  to  the  maximum   contribution  limit  for  that  year.  The
deductibility of IRA contributions under state law varies from state to state.

Contributions must be made in cash no later than April 15 following the close of
the tax year.  No annual  contribution  is  permitted  for the year in which the
investor reaches age 70 1/2 or any year thereafter.

In addition to annual  contributions,  total  distributions  and certain partial
distributions from certain  employer-sponsored  retirement plans may be eligible
to be reinvested  into a traditional  IRA if the  reinvestment is made within 60
days of receipt of the distribution by the taxpayer. Such rollover contributions
are not subject to the limitations on annual IRA contributions described above.

ROTH IRAS

Section 408A of the Code permits  eligible  individuals  to establish a Roth IRA
for tax years beginning in 1998. Contributions to a Roth IRA are not deductible,
but withdrawals that meet certain requirements are not subject to federal income
tax.  The  maximum  annual  contribution  amount of $2,000 is phased  out if the
individual  is single and has an  adjusted  gross  income  between  $95,000  and
$110,000, or if the individual is married and the couple has a combined adjusted
gross income between $150,000 and $160,000. In general, Roth IRAs are subject to
certain required distribution requirements.  Unlike a traditional IRA, Roth IRAs
are not  subject to  minimum  required  distribution  rules  during the  owner's
lifetime.  Generally,  however,  the  amount  remaining  in a Roth  IRA  must be
distributed by the end of the fifth year after the death of the owner.

Beginning in 1998 the owner of a traditional IRA may convert the traditional IRA
into a Roth IRA under certain circumstances. The conversion of a traditional IRA
to a Roth IRA will  subject  the  amount  of the  converted  traditional  IRA to
federal income tax. If a traditional IRA is converted to a Roth IRA, the taxable
amount in the owner's  traditional  IRA will be  considered  taxable  income for
federal  income tax  purposes  for the year of the  conversion.  Generally,  all
amounts  in  a  traditional  IRA  are  taxable  except  for  the  owner's  prior
non-deductible contributions to the traditional IRA.

EDUCATION IRAS

Section 530 of the Code permits  eligible  individuals to establish an Education
IRA on behalf of a beneficiary for tax years beginning in 1998. Contributions to
an  Education  IRA  are  not  deductible,  but  qualified  distributions  to the
beneficiary   are  not  subject  to  federal  income  tax.  The  maximum  annual
contribution amount of $500 is phased out if the individual is single and has an
adjusted  gross income  between  $95,000 and $110,000,  or if the  individual is
married and the couple has a combined adjusted gross income between $150,000 and
$160,000.   Education  IRAs  are  subject  to  certain   required   distribution
requirements.  Generally,  the  amount  remaining  in an  Education  IRA must be
distributed  by the  beneficiary's  30th birthday or rolled into a new Education
IRA for another eligible beneficiary.

SIMPLE IRAS

The Small Business Job Protection Act of 1996 created a new retirement plan, the
Savings  Incentive Match Plan for Employees of Small  Employers  (SIMPLE Plans).
SIMPLE  Plan   participants   must  establish  a  SIMPLE  IRA  into  which  plan
contributions will be deposited.

The  Investment  Manager makes  available  SIMPLE IRAs to provide  investment in
shares of the Funds. Contributions to a SIMPLE IRA may be either salary deferral
contributions or employer contributions.  Contributions must be made in cash and
cannot exceed the maximum amount  allowed under the Internal  Revenue Code. On a
pre-tax basis,  up to $6,000 of compensation  (through salary  deferrals) may be
contributed to a SIMPLE IRA. In addition,  employers are required to make either
(1) a dollar-for-dollar  matching contribution or (2) a nonelective contribution
to each participant's account each year. In general, matching contributions must
equal up to 3% of compensation,  but under certain circumstances,  employers may
make lower matching  contributions.  Instead of the match,  employers may make a
nonelective contribution equal to 2% of compensation  (compensation for purposes
of any nonelective contribution is limited to $160,000, as indexed).

Distributions from a SIMPLE IRA are (1) taxed as ordinary income; (2) includable
in gross income; and (3) subject to applicable state tax laws.

Distributions  prior to age 59 1/2 may be  subject  to a 10%  penalty  tax which
increases to 25% for distributions made before a participant has participated in
the  SIMPLE  Plan for at least two years.  An annual  fee of $10 is charged  for
maintaining the SIMPLE IRA.

PENSION AND PROFIT-SHARING PLANS

Prototype  corporate  pension or  profit-sharing  prototype  plans  meeting  the
requirements of Internal Revenue Code Section 401(a) are available.  Information
concerning these plans may be obtained from Security Distributors, Inc.

403(B) RETIREMENT PLANS

Employees of public  school  systems and  tax-exempt  organizations  meeting the
requirements of Internal Revenue Code Section  501(c)(3) may purchase  custodial
account plans funded by their employers with shares of Corporate  Bond,  Limited
Maturity Bond, Diversified Income, High Yield or Cash Fund or other Funds in the
Security Group in accordance with Code Section 403(b).  Section 403(b) plans are
subject to  numerous  restrictions  on the amount that may be  contributed,  the
persons who are eligible to participate and on the time when  distributions  may
commence.

SIMPLIFIED EMPLOYEE PENSION PLANS (SEPPS)

A prototype SEPP is available for corporations, partnerships or sole proprietors
desiring  to  adopt  such a plan for  purchases  of IRAs  for  their  employees.
Employers  establishing  a SEPP may contribute a maximum of $30,000 a year to an
IRA for each employee. This maximum is subject to a number of limitations.

FINANCIAL STATEMENTS


The audited financial statements of the Funds, which are contained in the Funds'
Annual Report dated  December 31, 1999,  are  incorporated  herein by reference.
Copies  of the  Annual  Report  are  provided  to every  person  requesting  the
Statement of Additional Information.


TAX-EXEMPT VS. TAXABLE INCOME


The following  table shows the approximate  taxable yields for individuals  that
are  equivalent to tax-exempt  yields using the 1999 tax rates  contained in the
Code. The table  illustrates what you would have to earn on taxable  investments
to equal a given  tax-exempt  yield in your federal  income tax bracket.  Locate
your income  (after  deductions  and  exemptions),  then locate your tax bracket
based on joint or single tax filing. Read across to the equivalent taxable yield
you  would  need to match a given  tax-free  yield.  There  is,  of  course,  no
assurance  that  an  investment  in  Municipal  Bond  Fund  will  result  in the
realization of any particular return.

<TABLE>
- ---------------------------------------------------------------------------------------------------------------------
<CAPTION>
            IF YOUR TAXABLE INCOME IS:        YOUR                        AND A TAX-FREE YIELD OF:
- ------------------------------------------- INCOME TAX --------------------------------------------------------------
     JOINT RETURN         SINGLE RETURN     BRACKET IS: 5%      6%      7%      8%      9%     10%     11%    12%
- ---------------------------------------------------------------------------------------------------------------------
<S>                     <C>                    <C>      <C>     <C>    <C>     <C>     <C>     <C>     <C>    <C>
1999
        0 -  43,050           0 -  25,750      15.0%    5.88    7.06    8.24    9.41   10.59   11.76   12.94  14.12
   43,051 - 104,050      25,751 -  62,450      28.0     6.94    8.33    9.72   11.11   12.50   13.89   15.28  16.67
  104,051 - 158,550      62,451 - 130,250      31.0     7.25    8.70   10.14   11.59   13.04   14.49   15.94  17.39
  158,551 - 283,150     130,251 - 283,150      36.0     7.81    9.38   10.94   12.50   14.06   15.63   17.19  18.75
  283,151 and over      283,151 and over       39.6     8.28    9.93   11.59   13.25   14.90   16.56   18.21  19.87
- ---------------------------------------------------------------------------------------------------------------------
</TABLE>

<PAGE>
                           APPENDIX A
- --------------------------------------------------------------------------------

CLASS A SHARES OF CORPORATE BOND,  LIMITED  MATURITY BOND,  DIVERSIFIED  INCOME,
HIGH YIELD AND MUNICIPAL BOND FUNDS

REDUCED SALES CHARGES -- Initial sales charges may be reduced or eliminated  for
persons or organizations  purchasing  Class A shares of Corporate Bond,  Limited
Maturity Bond,  Diversified Income, High Yield and Municipal Bond Funds alone or
in combination with Class A shares of other Security Funds.

For purposes of qualifying  for reduced sales charges on purchases made pursuant
to Rights of  Accumulation,  a Statement of Intention or Letters of Intent,  the
term  "Purchaser"  includes the following  persons:  an  individual;  his or her
spouse and children  under the age 21; a trustee or other  fiduciary of a single
trust estate or single  fiduciary  account  established  for their  benefit;  an
organization  exempt from federal income tax under Section  501(c)(3) or (13) of
the  Internal  Revenue  Code;  or a pension,  profit-sharing  or other  employee
benefit plan whether or not qualified under Section 401 of the Internal  Revenue
Code.

RIGHTS OF ACCUMULATION -- To reduce sales charges on purchases of Corporate Bond
Fund,  Limited  Maturity  Bond  Fund,  Diversified  Income  Fund,  High Yield or
Municipal  Bond Fund,  a Purchaser  may combine all  previous  purchases  with a
contemplated  current  purchase  of Class A shares of a Fund for the  purpose of
determining the sales charge applicable to the current purchase. For example, an
investor who already  owns Class A shares of a Fund either worth  $30,000 at the
applicable  current  offering  price or purchased for $30,000 and who invests an
additional $25,000, is entitled to a reduced sales charge of 3.75% on the latter
purchase.  The Distributor  must be notified when a sale takes place which would
qualify for the reduced  charge on the basis of  previous  purchases  subject to
confirmation of the investor's  holdings  through the Fund's records.  Rights of
accumulation  apply also to purchases  representing a combination of the Class A
shares of Corporate Bond Fund,  Limited Maturity Bond Fund,  Diversified  Income
Fund,  High Yield,  Municipal Bond Fund,  Security  Growth and Income,  Security
Ultra Fund,  or Security  Equity Fund in those  states where shares of the Funds
being purchased are qualified for sale.

STATEMENT OF INTENTION -- A Purchaser in Corporate Bond,  Limited Maturity Bond,
Diversified  Income,  High Yield or Municipal Bond Funds may sign a Statement of
Intention,  which may be signed  within 90 days after the first  purchase  to be
included thereunder,  in the form provided by the Distributor covering purchases
of Corporate Bond Fund,  Limited  Maturity Bond Fund,  Diversified  Income Fund,
High Yield Fund,  Municipal Bond Fund, Security Equity Fund, Security Growth and
Income Fund, or Security  Ultra Fund to be made within a period of 13 months (or
a 36-month  period for  purchases  of $1  million  or more) and  thereby  become
eligible for the reduced  front-end sales charge applicable to the actual amount
purchased  under the  Statement.  Five  percent of the amount  specified  in the
Statement of  Intention  will be held in escrow  shares  until the  Statement is
completed or  terminated.  The shares so held may be redeemed by the Fund if the
investor is  required to pay  additional  sales  charge  which may be due if the
amount of  purchases  made by the  investor  during the period the  Statement is
effective is less than the total specified in the Statement of Intention.

A Statement  of  Intention  may be revised  during the  13-month  period (or, if
applicable,   36-month   period).   Additional  Class  A  shares  received  from
reinvestment  of income  dividends and capital gains  distributions  (if any are
realized)  are  included in the total  amount used to  determine  reduced  sales
charges. The Statement is not a binding obligation upon the investor to purchase
or any Fund to sell the full indicated amount. An investor  considering  signing
such an agreement should read the Statement of Intention carefully.  A Statement
of Intention form may be obtained from the Investment Manager.

REINSTATEMENT  PRIVILEGE  --  Stockholders  who redeem  their  Class A shares of
Corporate Bond Fund,  Limited Maturity Bond Fund,  Diversified Income Fund, High
Yield Fund or  Municipal  Bond Fund have a one-time  privilege  (1) to reinstate
their accounts by purchasing shares of the Fund without a sales charge up to the
dollar  amount of the  redemption  proceeds,  or (2) to the extent the  redeemed
shares would have been eligible for the exchange privilege,  to purchase Class A
shares of another of the Funds,  Security  Equity Fund,  Security Ultra Fund, or
Security  Growth  and  Income  Fund up to the  dollar  amount of the  redemption
proceeds at a sales charge equal to the additional  sales charge,  if any, which
would have been  applicable had the redeemed  shares been exchanged  pursuant to
the  exchange  privilege.  Written  notice  and a  check  in the  amount  of the
reinvestment from eligible  stockholders  wishing to exercise this reinstatement
privilege  must be received by the Fund within thirty days after the  redemption
request was  received  (or such longer  period as may be  permitted by rules and
regulations promulgated under the Investment Company Act of 1940). The net asset
value used in computing the amount of shares to be issued upon  reinstatement or
exchange  will be the net asset value on the day that notice of the  exercise of
the  privilege  is  received.  Stockholders  making  use  of  the  reinstatement
privilege  should  note  that any gains  realized  upon the  redemption  will be
taxable while any losses may be deferred under the "wash sale"  provision of the
Internal Revenue Code.
<PAGE>
                              SECURITY INCOME FUND
                            PART C. OTHER INFORMATION

ITEM 23.  EXHIBITS

(a)  Articles of Incorporation(1)
(b)  By-laws(1)
(c)  Specimen copy of share certificate for Registrant's shares of capital stock
(d)  Investment Advisory Contract
(e)  (1)  Distribution Agreement(1)
     (2)  Class B Distribution Agreement(1)
     (3)  Class C Distribution Agreement
     (4)  Underwriter-Dealer Agreement(3)
(f)  Form of Non-Qualified Deferred Compensation Plan(2)
(g)  Custodian Agreement - UMB(6)
(h)  Not applicable
(i)  Legal Opinion(4)
(j)  Not applicable
(k)  Not applicable
(l)  Not applicable
(m)  (1)  Distribution Plan(7)
     (2)  Class B Distribution Plan(1)
     (3)  Class C Distribution Plan
(n)  Multiple Class Plan(1)
(o)  RESERVED
(p)  Code of Ethics(5)

(1)  Incorporated   herein  by  reference   to  the  Exhibits   filed  with  the
     Registrant's  Post-Effective Amendment No. 64 to Registration Statement No.
     2-38414 (filed November 29, 1999).

(2)  Incorporated   herein  by  reference   to  the  Exhibits   filed  with  the
     Registrant's  Post-Effective Amendment No. 58 to Registration Statement No.
     2-38414 (filed April 30, 1997).

(3)  Incorporated herein by reference to the Exhibits filed with Security Equity
     Fund's  Post-Effective  Amendment  No.  84 to  Registration  Statement  No.
     2-19458 (filed January 28, 1999).

(4)  Incorporated   herein  by  reference  from  the  Exhibits  filed  with  the
     Registrant's  Post-Effective Amendment No. 61 to Registration Statement No.
     2-38414 (filed February 16, 1999).

(5)  Incorporated  herein by  reference  from the Exhibits  filed with  Security
     Equity Fund's Post-Effective Amendment No. 87 to Registration Statement No.
     2-19458 (filed January 28, 1999).

(6)  Incorporated herein by reference to the Exhibits filed with Security Equity
     Fund's  Post-Effective  Amendment  No.  88 to  Registration  Statement  No.
     2-19458 (filed February 16, 2000).

(7)  Incorporated   herein  by  reference   to  the  Exhibits   filed  with  the
     Registrant's  Post-Effective Amendment No. 50 to Registration Statement No.
     2-38414 (filed May 1, 1995).
<PAGE>
ITEM 24.  PERSONS CONTROLLED BY OR UNDER COMMON CONTROL WITH REGISTRANT.

Not applicable.

ITEM 25.  INDEMNIFICATION.

A policy of insurance covering Security Management  Company,  LLC, its affiliate
Security  Distributors,  Inc.,  and all of the registered  investment  companies
advised by Security Management Company,  LLC insures the Registrant's  directors
and officers  against  liability  arising by reason of an alleged breach of duty
caused by any negligent act, error or accidental  omission in the scope of their
duties.

Paragraph 30 of the Registrant's  Bylaws, as amended February 3, 1995,  provides
in relevant part as follows:

30. INDEMNIFICATION AND LIABILITY OF DIRECTORS AND OFFICERS.  Each person who is
    or was a Director or officer of the  Corporation or is or was serving at the
    request of the  Corporation as a Director or officer of another  corporation
    (including the heirs,  executors,  administrators and estate of such person)
    shall be  indemnified  by the  Corporation  as of  right to the full  extent
    permitted or authorized by the laws of the State of Kansas, as now in effect
    and is hereafter amended, against any liability, judgment, fine, amount paid
    in  settlement,  cost and expense  (including  attorney's  fees) asserted or
    threatened  against and  incurred  by such person in his/her  capacity as or
    arising out of his/her  status as a Director  or officer of the  Corporation
    or, if serving at the request of the  Corporation,  as a Director or officer
    of another corporation. The indemnification provided by this bylaw provision
    shall not be exclusive of any other rights to which those indemnified may be
    entitled under the Articles of Incorporation, under any other bylaw or under
    any agreement, vote of stockholders or disinterested directors or otherwise,
    and shall not limit in any way any right which the  Corporation  may have to
    make  different  or  further  indemnification  with  respect  to the same or
    different persons or classes of persons.

    No person shall be liable to the Corporation for any loss, damage, liability
    or expense  suffered  by it on account of any action  taken or omitted to be
    taken by him/her as a Director or officer of the Corporation or of any other
    corporation  which he/she  serves as a Director or officer at the request of
    the  Corporation,  if such person (a)  exercised the same degree of care and
    skill as a prudent man would have exercised under the  circumstances  in the
    conduct of his/her own  affairs,  or (b) took or omitted to take such action
    in reliance  upon advice of counsel for the  Corporation,  or for such other
    corporation,  or upon statement made or information  furnished by Directors,
    officers,  employees  or  agents  of  the  Corporation,  or  of  such  other
    corporation, which he/she had no reasonable grounds to disbelieve.

    In the event any  provision  of this section 30 shall be in violation of the
    Investment Company Act of 1940, as amended,  or of the rules and regulations
    promulgated thereunder,  such provisions shall be void to the extent of such
    violations.

On  March  25,  1988,  the   shareholders   approved  the  Board  of  Directors'
recommendation  that the  Articles of  Incorporation  be amended by adopting the
following Article Fifteenth:

   "A  director  shall not be  personally  liable to the  corporation  or to its
   stockholders for monetary damages for breach of fiduciary duty as a director,
   provided that this sentence  shall not eliminate nor limit the liability of a
   director:

   A. for any breach of his or her duty of loyalty to the  corporation or to its
      stockholders;

   B. for acts or  omissions  not in good  faith or  which  involve  intentional
      misconduct or a knowing violation of law;

   C. for  any  unlawful  dividend,  stock  purchase  or  redemption  under  the
      provisions of Kansas Statutes  Annotated  (K.S.A.)  17-6424 and amendments
      thereto; or

   D. for any transaction from which the director  derived an improper  personal
      benefit."

Insofar as  indemnification  for liability  arising under the  Securities Act of
1933 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 26.  BUSINESS OR OTHER CONNECTIONS OF INVESTMENT ADVISER

Security Management Company,  LLC, investment manager to Corporate Bond, Limited
Maturity Bond,  U.S.  Government and High Yield Series of Security  Income Fund,
also acts as investment  manager to Security  Equity Fund,  Security Ultra Fund,
Security  Growth and Income  Fund,  Security  Cash Fund,  SBL Fund and  Security
Municipal Bond Fund.

NAME, BUSINESS* AND OTHER CONNECTIONS OF THE EXECUTIVE OFFICERS AND DIRECTORS OF
REGISTRANT'S ADVISER

JAMES R. SCHMANK
- ----------------
PRESIDENT AND MANAGING MEMBER REPRESENTATIVE--Security Management Company, LLC
SENIOR VICE PRESIDENT--Security Benefit Life Insurance Company; Security Benefit
   Group, Inc.
VICE PRESIDENT AND  DIRECTOR--Security  Distributors,  Inc.; Security Growth and
   Income Fund; Security Cash Fund; Security Municipal Bond Fund; Security Ultra
   Fund; Security Equity Fund; Security Income Fund; SBL Fund; Advisor's Fund
VICE PRESIDENT AND TREASURER--First  Security Benefit Life Insurance and Annuity
   Company of New York
DIRECTOR--MFR Advisors,  Inc., One Liberty Plaza, 46th Floor, New York, New York
   10006; Stormont-Vail Foundation, 1500 SW 10th, Topeka, Kansas 66604
PRESIDENT AND DIRECTOR--Auburn-Washburn Public Schools Foundation, 5928 SW 53rd,
   Topeka, Kansas 66610
TRUSTEE--Eugene P. Mitchell Charitable Remainder Unit Trust (Family Trust)
DIRECTOR--Business  Improvement District,  906 S. Kansas Avenue,  Topeka, Kansas
   66612

JOHN D. CLELAND
- ---------------
SENIOR VICE PRESIDENT AND MANAGING  MEMBER  REPRESENTATIVE--Security  Management
   Company, LLC
PRESIDENT AND  DIRECTOR--Security  Cash Fund;  Security  Income  Fund;  Security
   Municipal  Bond Fund;  SBL Fund;  Security  Growth and Income Fund;  Security
   Equity Fund; Security Ultra Fund; Advisor's Fund
SENIOR VICE PRESIDENT--Security Benefit Life Insurance Company; Security Benefit
   Group, Inc.
VICE PRESIDENT AND DIRECTOR--Security Distributors, Inc.
TRUSTEE AND TREASURER--Mount  Hope Cemetery  Corporation,  4700 SW 17th, Topeka,
   Kansas
TRUSTEE AND INVESTMENT COMMITTEE CHAIRMAN--Topeka Community Foundation,  5100 SW
   10th, Topeka, Kansas
CHAIRMAN, POOLED MONEY INVESTMENT BOARD--State of Kansas, Topeka, Kansas
EXECUTIVE BOARD  MEMBER--Jayhawk Area Council of the Boy Scouts of America, 1020
   SE Monroe, Topeka, Kansas
CHAIRMAN OF THE  ENDOWMENT  TRUSTEES--Jayhawk  Area Council of the Boy Scouts of
   America, 1020 SE Monroe, Topeka, Kansas

MARK E. YOUNG
- -------------
VICE PRESIDENT--Security Management Company, LLC
SECOND VICE PRESIDENT--Security Benefit Life Insurance Company; Security Benefit
   Group, Inc.
VICE PRESIDENT AND DIRECTOR--Security Distributors, Inc.
TRUSTEE--Topeka Zoological Foundation, Topeka, Kansas

TERRY A. MILBERGER
- ------------------
SENIOR VICE PRESIDENT AND SENIOR PORTFOLIO MANAGER--Security Management Company,
   LLC
SENIOR VICE PRESIDENT--Security Benefit Life Insurance Company; Security Benefit
   Group, Inc.
VICE PRESIDENT--Security Equity Fund; SBL Fund

MICHAEL A. PETERSEN
- -------------------
VICE PRESIDENT AND SENIOR PORTFOLIO MANAGER--Security Management Company, LLC
VICE PRESIDENT--Security Benefit Life Insurance Company; Security Benefit Group,
   Inc.; SBL Fund; Security Growth and Income Fund

JANE A. TEDDER
- --------------
VICE PRESIDENT AND SENIOR ECONOMIST--Security Management Company, LLC
VICE PRESIDENT--Security Benefit Life Insurance Company; Security Benefit Group,
   Inc.; SBL Fund

AMY J. LEE
- ----------
VICE PRESIDENT,  ASSOCIATE  GENERAL  COUNSEL AND  ASSISTANT  SECRETARY--Security
   Benefit Life Insurance Company; Security Benefit Group, Inc.
SECRETARY--Security  Management  Company,  LLC;  Security  Distributors,   Inc.;
   Security  Cash Fund;  Security  Equity Fund;  Security  Municipal  Bond Fund;
   Security  Ultra Fund;  SBL Fund;  Security  Growth and Income Fund;  Security
   Income Fund; Advisor's Fund
DIRECTOR--Midland Hospice Care, Inc., 200 SW Frazier Court, Topeka, Kansas 66606

BRENDA M. HARWOOD
- -----------------
ASSISTANT VICE PRESIDENT AND TREASURER--Security Management Company, LLC
TREASURER--Security Equity Fund; Security Ultra Fund; Security Growth and Income
   Fund;  Security Income Fund; Security Cash Fund; SBL Fund; Security Municipal
   Bond Fund; Advisor's Fund; Security Distributors, Inc.
ASSISTANT VICE  PRESIDENT--Security  Benefit Life  Insurance  Company;  Security
   Benefit Group, Inc.
DIRECTOR--Security Distributors, Inc.

STEVEN M. BOWSER
- ----------------
VICE PRESIDENT AND PORTFOLIO MANAGER--Security Management Company, LLC
VICE PRESIDENT--Security Benefit Life Insurance Company; Security Benefit Group,
   Inc., Security Income Fund; SBL Fund

THOMAS A. SWANK
- ---------------
SENIOR VICE PRESIDENT AND DIRECTOR OF FIXED INCOME--Security Management Company,
   LLC
SENIOR VICE PRESIDENT--Security Benefit Life Insurance Company; Security Benefit
   Group, Inc. Vice President--SBL Fund; Security Income Fund

CINDY L. SHIELDS
- ----------------
SECOND VICE PRESIDENT AND PORTFOLIO MANAGER--Security Management Company, LLC
SECOND VICE PRESIDENT--Security Benefit Life Insurance Company; Security Benefit
   Group, Inc.
VICE PRESIDENT--SBL Fund; Security Equity Fund
DIRECTOR--ERC Resource and Referral, 1710 SW 10th, Topeka, Kansas

JAMES P. SCHIER
- ---------------
SECOND VICE PRESIDENT AND PORTFOLIO MANAGER--Security Management Company, LLC
SECOND VICE PRESIDENT--Security Benefit Life Insurance Company; Security Benefit
   Group, Inc.
VICE PRESIDENT--SBL Fund; Security Equity Fund; Security Ultra Fund

DAVID ESHNAUR
- -------------
ASSISTANT VICE PRESIDENT AND PORTFOLIO MANAGER--Security Management Company, LLC
ASSISTANT VICE  PRESIDENT--Security  Benefit Life  Insurance  Company;  Security
   Benefit Group, Inc.
VICE PRESIDENT--SBL Fund; Security Income Fund

CHRISTOPHER D. SWICKARD
- -----------------------
ASSISTANT  SECRETARY--Security  Management  Company,  LLC;  Security  Cash Fund;
   Security Equity Fund;  Security Municipal Bond Fund; Security Ultra Fund; SBL
   Fund; Security Growth and Income Fund; Security Income Fund; Advisor's Fund
ASSISTANT VICE PRESIDENT AND ASSISTANT  COUNSEL--Security Benefit Life Insurance
   Company; Security Benefit Group, Inc.
DIRECTOR AND SECRETARY--Security Benefit Academy, Inc.

*Located at 700 Harrison, Topeka, Kansas 66636-0001

ITEM 27.  PRINCIPAL UNDERWRITERS

(a) Security Equity Fund
    Security Ultra Fund
    Security Growth and Income Fund
    Security Municipal Bond Fund
    Variflex Variable Annuity Account (Variflex)
    Variflex Variable Annuity Account (Variflex ES)
    Varilife Variable Annuity Account
    Parkstone Variable Annuity Account
    Security Varilife Separate Account
    Variable Annuity Account VIII (Variflex LS)
    Variable Annuity Account VIII (Variflex Signature)
    SBL Variable Annuity Account X
    SBL Variable Annuity Account XI

(b)         (1)                      (2)                           (3)
    NAME AND PRINCIPAL     POSITION AND OFFICES           POSITION AND OFFICES
    BUSINESS ADDRESS*      WITH UNDERWRITER               WITH REGISTRANT

    Greg J. Garvin         President                      None
    John D. Cleland        Vice President and Director    President and Director
    Amy J. Lee             Secretary                      Secretary
    Brenda M. Harwood      Treasurer and Director         Treasurer

    *700 Harrison, Topeka, Kansas 66636-0001

(c) Not applicable.

ITEM 28.  LOCATION OF ACCOUNTS AND RECORDS.

Certain accounts, books and other documents required to be maintained by Section
31(a) of the 1940 Act and the rules  promulgated  thereunder  are  maintained by
Security  Management  Company,  LLC, 700 Harrison,  Topeka,  Kansas  66636-0001.
Records relating to the duties of the  Registrant's  custodian are maintained by
UMB Bank, n.a., 928 Grand Avenue, Kansas City, Missouri 64106.

ITEM 29.  MANAGEMENT SERVICES.

Not applicable.

ITEM 30.  UNDERTAKINGS.

Not applicable.
<PAGE>
                                   SIGNATURES

Pursuant to the  requirements  of the  Securities Act of 1933 and the Investment
Company Act of 1940, the Registrant 2has duly caused this Registration Statement
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Topeka, and State of Kansas on the 25th day of February, 2000.

                                                    SECURITY INCOME FUND
                                                         (The Fund)

                                         By:           JOHN D. CLELAND
                                            ------------------------------------
                                                 John D. Cleland, President

Pursuant to the  requirements of the Securities Act of 1933,  this  Registration
Statement has been signed below by the following  persons in the  capacities and
on the date indicated:

                                         Date:       February 25, 2000
                                              ----------------------------------


DONALD A. CHUBB, JR.                 Director
- ------------------------------------
Donald A. Chubb, Jr.

JOHN D. CLELAND                      President and Director
- ------------------------------------
John D. Cleland

PENNY A. LUMPKIN                     Director
- ------------------------------------
Penny A. Lumpkin

MARK L. MORRIS, JR.                  Director
- ------------------------------------
Mark L. Morris, Jr.

MAYNARD OLIVERIUS                    Director
- ------------------------------------
Maynard Oliverius

JAMES R. SCHMANK                     Director
- ------------------------------------
James R. Schmank

BRENDA M. HARWOOD                    Treasurer (Principal Financial Officer)
- ------------------------------------
Brenda M. Harwood


<PAGE>
No.                                                       SHARES _______________

                              SECURITY INCOME FUND
               INCORPORATED UNDER THE LAWS OF THE STATE OF KANSAS

       The company is authorized to issue an indefinite number of shares.
                              CORPORATE BOND SERIES

THIS CERTIFIES THAT

is the owner of

fully paid and non-assessable  shares of Capital Stock, each of the par value of
$1.00 per share,  of  SECURITY  INCOME  FUND,  transferable  on the books of the
corporation  by the holder  hereof in person or by attorney,  upon  surrender of
this certificate duly endorsed or assigned.

This  certificate and the shares  represented  hereby are subject to the laws of
the State of Kansas and to the Articles of  Incorporation  and the Bylaws of the
corporation as from time to time amended.

IN WITNESS  WHEREOF,  SECURITY  INCOME FUND,  has caused this  certificate to be
signed by its duly  authorized  officers  and to be sealed  with the seal of the
corporation.

Dated                                        Account No.

- -----------------------------------          -----------------------------------
   SECRETARY-ASSISTANT SECRETARY                  PRESIDENT-VICE PRESIDENT

                                     (SEAL)
<PAGE>
   The following abbreviations, when used in the inscription on the face of this
certificate,  shall  be  construed  as  though  they  were  written  out in full
according to applicable laws or regulations:

TEN COM -   as tenants in common                  UGMA - ..... Custodian ......
TEN ENT -   as tenants by the entireties                 (Cust)         (Minor)
JTWROS  -   as joint tenants with right                  Under Uniform Gifts to
            of survivorship and not as                         Minors Act
            tenants in common
                                                         .......................
                                                                  State


Additional abbreviations may also be used though not in the above list.


FOR VALUE RECEIVED, _____________ hereby sell(s), assign(s) and transfer(s) unto

PLEASE INSERT SOCIAL SECURITY OR OTHER
    IDENTIFYING NUMBER OF ASSIGNEE
 _____________________________________
|                                     |
|                                     |
 _______________________________________________________________________________


________________________________________________________________________________
            (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS OF ASSIGNEE)


________________________________________________________________________________


__________________________________________________________________ Shares of the
Capital Stock represented by the within  Certificate,  and do hereby irrevocably
constitute and appoint _______________________________ Attorney, to transfer the
said  shares on the books of the  within-named  Corporation,  with full power of
substitution in the premises.


Dated _________________________



X ______________________________________________________________________________
  NOTICE:  The signature of this  Assignment must correspond with the name(s) as
  written  upon  the  face  of the  Certificate  in  every  particular,  without
  alteration or enlargement, or any change whatever.



Signature guaranteed by bank, broker or trust company.

________________________________________________________________________________
<PAGE>
No.                                                       SHARES _______________

                              SECURITY INCOME FUND
               INCORPORATED UNDER THE LAWS OF THE STATE OF KANSAS

       The company is authorized to issue an indefinite number of shares.
                            DIVERSIFIED INCOME SERIES

THIS CERTIFIES THAT

is the owner of

fully paid and non-assessable  shares of Capital Stock, each of the par value of
$1.00 per share,  of  SECURITY  INCOME  FUND,  transferable  on the books of the
corporation  by the holder  hereof in person or by attorney,  upon  surrender of
this certificate duly endorsed or assigned.

This  certificate and the shares  represented  hereby are subject to the laws of
the State of Kansas and to the Articles of  Incorporation  and the Bylaws of the
corporation as from time to time amended.

IN WITNESS  WHEREOF,  SECURITY  INCOME FUND,  has caused this  certificate to be
signed by its duly  authorized  officers  and to be sealed  with the seal of the
corporation.

Dated                                        Account No.

- -----------------------------------          -----------------------------------
   SECRETARY-ASSISTANT SECRETARY                  PRESIDENT-VICE PRESIDENT

                                     (SEAL)
<PAGE>
   The following abbreviations, when used in the inscription on the face of this
certificate,  shall  be  construed  as  though  they  were  written  out in full
according to applicable laws or regulations:

TEN COM -   as tenants in common                  UGMA - ..... Custodian ......
TEN ENT -   as tenants by the entireties                 (Cust)         (Minor)
JTWROS  -   as joint tenants with right                  Under Uniform Gifts to
            of survivorship and not as                         Minors Act
            tenants in common
                                                         .......................
                                                                  State


Additional abbreviations may also be used though not in the above list.


FOR VALUE RECEIVED, _____________ hereby sell(s), assign(s) and transfer(s) unto

PLEASE INSERT SOCIAL SECURITY OR OTHER
    IDENTIFYING NUMBER OF ASSIGNEE
 _____________________________________
|                                     |
|                                     |
 _______________________________________________________________________________


________________________________________________________________________________
            (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS OF ASSIGNEE)


________________________________________________________________________________


__________________________________________________________________ Shares of the
Capital Stock represented by the within  Certificate,  and do hereby irrevocably
constitute and appoint _______________________________ Attorney, to transfer the
said  shares on the books of the  within-named  Corporation,  with full power of
substitution in the premises.


Dated _________________________



X ______________________________________________________________________________
  NOTICE:  The signature of this  Assignment must correspond with the name(s) as
  written  upon  the  face  of the  Certificate  in  every  particular,  without
  alteration or enlargement, or any change whatever.



Signature guaranteed by bank, broker or trust company.

________________________________________________________________________________
<PAGE>
No.                                                       SHARES _______________

                              SECURITY INCOME FUND
               INCORPORATED UNDER THE LAWS OF THE STATE OF KANSAS

       The company is authorized to issue an indefinite number of shares.
                          LIMITED MATURITY BOND SERIES

THIS CERTIFIES THAT

is the owner of

fully paid and non-assessable  shares of Capital Stock, each of the par value of
$1.00 per share,  of  SECURITY  INCOME  FUND,  transferable  on the books of the
corporation  by the holder  hereof in person or by attorney,  upon  surrender of
this certificate duly endorsed or assigned.

This  certificate and the shares  represented  hereby are subject to the laws of
the State of Kansas and to the Articles of  Incorporation  and the Bylaws of the
corporation as from time to time amended.

IN WITNESS  WHEREOF,  SECURITY  INCOME FUND,  has caused this  certificate to be
signed by its duly  authorized  officers  and to be sealed  with the seal of the
corporation.

Dated                                        Account No.

- -----------------------------------          -----------------------------------
   SECRETARY-ASSISTANT SECRETARY                  PRESIDENT-VICE PRESIDENT

                                     (SEAL)
<PAGE>
   The following abbreviations, when used in the inscription on the face of this
certificate,  shall  be  construed  as  though  they  were  written  out in full
according to applicable laws or regulations:

TEN COM -   as tenants in common                  UGMA - ..... Custodian ......
TEN ENT -   as tenants by the entireties                 (Cust)         (Minor)
JTWROS  -   as joint tenants with right                  Under Uniform Gifts to
            of survivorship and not as                         Minors Act
            tenants in common
                                                         .......................
                                                                  State


Additional abbreviations may also be used though not in the above list.


FOR VALUE RECEIVED, _____________ hereby sell(s), assign(s) and transfer(s) unto

PLEASE INSERT SOCIAL SECURITY OR OTHER
    IDENTIFYING NUMBER OF ASSIGNEE
 _____________________________________
|                                     |
|                                     |
 _______________________________________________________________________________


________________________________________________________________________________
            (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS OF ASSIGNEE)


________________________________________________________________________________


__________________________________________________________________ Shares of the
Capital Stock represented by the within  Certificate,  and do hereby irrevocably
constitute and appoint _______________________________ Attorney, to transfer the
said  shares on the books of the  within-named  Corporation,  with full power of
substitution in the premises.


Dated _________________________



X ______________________________________________________________________________
  NOTICE:  The signature of this  Assignment must correspond with the name(s) as
  written  upon  the  face  of the  Certificate  in  every  particular,  without
  alteration or enlargement, or any change whatever.



Signature guaranteed by bank, broker or trust company.

________________________________________________________________________________
<PAGE>
No.                                                       SHARES _______________

                              SECURITY INCOME FUND
               INCORPORATED UNDER THE LAWS OF THE STATE OF KANSAS

       The company is authorized to issue an indefinite number of shares.
                                HIGH YIELD SERIES

THIS CERTIFIES THAT

is the owner of

fully paid and non-assessable  shares of Capital Stock, each of the par value of
$1.00 per share,  of  SECURITY  INCOME  FUND,  transferable  on the books of the
corporation  by the holder  hereof in person or by attorney,  upon  surrender of
this certificate duly endorsed or assigned.

This  certificate and the shares  represented  hereby are subject to the laws of
the State of Kansas and to the Articles of  Incorporation  and the Bylaws of the
corporation as from time to time amended.

IN WITNESS  WHEREOF,  SECURITY  INCOME FUND,  has caused this  certificate to be
signed by its duly  authorized  officers  and to be sealed  with the seal of the
corporation.

Dated                                        Account No.

- -----------------------------------          -----------------------------------
   SECRETARY-ASSISTANT SECRETARY                  PRESIDENT-VICE PRESIDENT

                                     (SEAL)
<PAGE>
   The following abbreviations, when used in the inscription on the face of this
certificate,  shall  be  construed  as  though  they  were  written  out in full
according to applicable laws or regulations:

TEN COM -   as tenants in common                  UGMA - ..... Custodian ......
TEN ENT -   as tenants by the entireties                 (Cust)         (Minor)
JTWROS  -   as joint tenants with right                  Under Uniform Gifts to
            of survivorship and not as                         Minors Act
            tenants in common
                                                         .......................
                                                                  State


Additional abbreviations may also be used though not in the above list.


FOR VALUE RECEIVED, _____________ hereby sell(s), assign(s) and transfer(s) unto

PLEASE INSERT SOCIAL SECURITY OR OTHER
    IDENTIFYING NUMBER OF ASSIGNEE
 _____________________________________
|                                     |
|                                     |
 _______________________________________________________________________________


________________________________________________________________________________
            (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS OF ASSIGNEE)


________________________________________________________________________________


__________________________________________________________________ Shares of the
Capital Stock represented by the within  Certificate,  and do hereby irrevocably
constitute and appoint _______________________________ Attorney, to transfer the
said  shares on the books of the  within-named  Corporation,  with full power of
substitution in the premises.


Dated _________________________



X ______________________________________________________________________________
  NOTICE:  The signature of this  Assignment must correspond with the name(s) as
  written  upon  the  face  of the  Certificate  in  every  particular,  without
  alteration or enlargement, or any change whatever.



Signature guaranteed by bank, broker or trust company.

________________________________________________________________________________
<PAGE>
No.                                                       SHARES _______________

                              SECURITY INCOME FUND
               INCORPORATED UNDER THE LAWS OF THE STATE OF KANSAS

       The company is authorized to issue an indefinite number of shares.
                           CAPITAL PRESERVATION SERIES

THIS CERTIFIES THAT

is the owner of

fully paid and non-assessable  shares of Capital Stock, each of the par value of
$1.00 per share,  of  SECURITY  INCOME  FUND,  transferable  on the books of the
corporation  by the holder  hereof in person or by attorney,  upon  surrender of
this certificate duly endorsed or assigned.

This  certificate and the shares  represented  hereby are subject to the laws of
the State of Kansas and to the Articles of  Incorporation  and the Bylaws of the
corporation as from time to time amended.

IN WITNESS  WHEREOF,  SECURITY  INCOME FUND,  has caused this  certificate to be
signed by its duly  authorized  officers  and to be sealed  with the seal of the
corporation.

Dated                                        Account No.

- -----------------------------------          -----------------------------------
   SECRETARY-ASSISTANT SECRETARY                  PRESIDENT-VICE PRESIDENT

                                     (SEAL)
<PAGE>
   The following abbreviations, when used in the inscription on the face of this
certificate,  shall  be  construed  as  though  they  were  written  out in full
according to applicable laws or regulations:

TEN COM -   as tenants in common                  UGMA - ..... Custodian ......
TEN ENT -   as tenants by the entireties                 (Cust)         (Minor)
JTWROS  -   as joint tenants with right                  Under Uniform Gifts to
            of survivorship and not as                         Minors Act
            tenants in common
                                                         .......................
                                                                  State


Additional abbreviations may also be used though not in the above list.


FOR VALUE RECEIVED, _____________ hereby sell(s), assign(s) and transfer(s) unto

PLEASE INSERT SOCIAL SECURITY OR OTHER
    IDENTIFYING NUMBER OF ASSIGNEE
 _____________________________________
|                                     |
|                                     |
 _______________________________________________________________________________


________________________________________________________________________________
            (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS OF ASSIGNEE)


________________________________________________________________________________


__________________________________________________________________ Shares of the
Capital Stock represented by the within  Certificate,  and do hereby irrevocably
constitute and appoint _______________________________ Attorney, to transfer the
said  shares on the books of the  within-named  Corporation,  with full power of
substitution in the premises.


Dated _________________________



X ______________________________________________________________________________
  NOTICE:  The signature of this  Assignment must correspond with the name(s) as
  written  upon  the  face  of the  Certificate  in  every  particular,  without
  alteration or enlargement, or any change whatever.



Signature guaranteed by bank, broker or trust company.

________________________________________________________________________________


<PAGE>
                          INVESTMENT ADVISORY CONTRACT


THIS  AGREEMENT,  made this 1st day of November 1999,  between  SECURITY  INCOME
FUND, a Kansas corporation (hereinafter referred to as the "Fund"), and SECURITY
MANAGEMENT  COMPANY,  LLC,  a  Kansas  limited  liability  company  (hereinafter
referred to as the "Management Company"),

                                   WITNESSETH:

WHEREAS,  the Fund is engaged in business as an open-end  management  investment
company registered under the Federal Investment Company Act of 1940; and

WHEREAS,  the Fund is  authorized  to issue shares of capital  stock in separate
Series, with each such Series representing  interests in a separate portfolio of
securities and other assets; and

WHEREAS, the Fund currently offers shares in five separate series, including the
Corporate Bond Series,  the U.S.  Government  Series, the High Yield Series, and
the Limited  Maturity  Bond Series,  such series  together with all other series
subsequently  established  by the Fund with respect to which the Fund desires to
retain the Management  Company to render investment  advisory services hereunder
and with  respect to which the  Management  Company  is willing so to do,  being
herein collectively referred to as the "Series", and

WHEREAS,  the Management Company is willing to provide  investment  research and
advice to the Fund on the terms and conditions hereinafter set forth;

NOW,  THEREFORE,  in  consideration  of the premises and mutual  agreements made
herein, the parties hereto agree as follows:

1.  EMPLOYMENT OF MANAGEMENT  COMPANY.  The Fund hereby  employs the  Management
    Company to act as investment adviser to each Series of the Fund with respect
    to the  investment of its assets,  and to supervise and arrange the purchase
    of securities  for and the sale of securities  held in the portfolios of the
    Series  of the  Fund,  subject  always  to the  supervision  of the Board of
    Directors  of the Fund,  during the period and upon and subject to the terms
    and conditions herein set forth. The Management  Company hereby accepts such
    employment and agrees to perform the services required by this Agreement for
    the compensation herein provided.

    In the event the Fund establishes additional series with respect to which it
    desires  to retain the  Management  Company  to render  investment  advisory
    services  hereunder,  it shall notify the Management Company in writing.  If
    the  Management  Company is willing to render such  services it shall notify
    the Fund in writing,  whereupon such series shall become a Series subject to
    the  terms and  conditions  hereunder,  and to such  amended  or  additional
    provisions as shall be specifically agreed to by the Fund and the Management
    Company in accordance with applicable law.

2.  INVESTMENT ADVISORY DUTIES.

    (a)  The Management  Company shall regularly provide each Series of the Fund
         with investment research, advice and supervision,  continuously furnish
         an investment  program and recommend that securities shall be purchased
         and sold and what  portion of the assets of each  Series  shall be held
         uninvested  and shall arrange for the purchase of securities  and other
         investments for and the sale of securities and other  investments  held
         in the portfolio of each Series. All investment advice furnished by the
         Management  Company to each  Series  under this  Section 2 shall at all
         times  conform to any  requirements  imposed by the  provisions  of the
         Fund's Articles of Incorporation and Bylaws, the Investment Company Act
         of 1940 and the rules and regulations promulgated thereunder, any other
         applicable  provisions  of  law,  and  the  terms  of the  registration
         statements  of the  Fund  under  the  Securities  Act of  1933  and the
         Investment  Company Act of 1940, all as from time to time amended.  The
         Management Company shall advise and assist the officers or other agents
         of the Fund in taking such steps as are  necessary  or  appropriate  to
         carry out the decisions of the Fund's Board of Directors  (and any duly
         appointed  committee  thereof) with regard to the foregoing matters and
         the general conduct of the Fund's business.

    (b)  Subject to the  provisions of the  Investment  Company Act of 1940 (the
         "1940  Act") and any  applicable  exemptions  thereto,  the  Management
         Company  is  authorized,  but is under  no  obligation,  to enter  into
         sub-advisory  agreements (the  "Sub-Advisory  Agreements")  with one or
         more sub-advisers (each a "Sub-adviser") to provide investment advisory
         services  to any  Series  of the  Fund.  Each  Sub-adviser  shall  have
         investment discretion with respect to the assets of the Series assigned
         to that Sub-adviser by the Management  Company.  The Management Company
         shall not be  responsible  or liable  with  respect  to any  investment
         decision made by a  Sub-adviser,  whether such decision be to purchase,
         sell or hold such  investment.  Consistent  with the  provisions of the
         1940 Act and any applicable  exemption thereto,  the Investment Manager
         may enter into Sub-Advisory Agreements or amend Sub-Advisory Agreements
         without the approval of the shareholders of the affected Series.

3.  PORTFOLIO TRANSACTIONS AND BROKERAGE.

    (a)  Transactions  in  portfolio   securities   shall  be  effected  by  the
         Management  Company,  through  brokers  or  otherwise,  in  the  manner
         permitted  in this  Section  3 and in  such  manner  as the  Management
         Company  shall  deem to be in the  best  interests  of the  Fund  after
         consideration is given to all relevant factors.

    (b)  In  reaching a judgment  relative to the  qualification  of a broker to
         obtain the best execution of a particular  transaction,  the Management
         Company may take into account all relevant  factors and  circumstances,
         including the size of any  contemporaneous  market in such  securities;
         the  importance  to the  Fund of speed  and  efficiency  of  execution;
         whether the particular  transaction is part of a larger intended change
         in  portfolio   position  in  the  same   securities;   the   execution
         capabilities   required  by  the   circumstances   of  the   particular
         transaction;  the  capital  required  by the  transaction;  the overall
         capital strength of the broker;  the broker's apparent  knowledge of or
         familiarity  with  sources  from  or to  whom  such  securities  may be
         purchased  or  sold;  as  well  as  the  efficiency,   reliability  and
         confidentiality  with which the broker has  handled  the  execution  of
         prior similar transactions.

    (c)  Subject  to any  statements  concerning  the  allocation  of  brokerage
         contained  in  the  Fund's   prospectus   or  statement  of  additional
         information,  the  Management  Company  is  authorized  to  direct  the
         execution of portfolio transactions for the Fund to brokers who furnish
         investment  information or research service to the Management  Company.
         Such  allocation  shall  be in  such  amounts  and  proportions  as the
         Management  Company may determine.  If the transaction is directed to a
         broker  providing  brokerage  and research  services to the  Management
         Company,  the commission paid for such  transaction may be in excess of
         the  commission  another  broker would have charged for effecting  that
         transaction,  if the Management  Company shall have  determined in good
         faith that the commission is reasonable in relation to the value of the
         brokerage  and research  services  provided,  viewed in terms of either
         that  particular  transaction  or the overall  responsibilities  of the
         Management  Company  with respect to all accounts as to which it now or
         hereafter  exercises  investment   discretion.   For  purposes  of  the
         immediately  preceding  sentence,  "providing  brokerage  and  research
         services" shall have the meaning  generally given such terms or similar
         terms under Section 28(e)(3) of the Securities Exchange Act of 1934, as
         amended.

    (d)  In the selection of a broker for the execution of any  transaction  not
         subject to fixed commission rates, the Management Company shall have no
         duty or  obligation  to seek advance  competitive  bidding for the most
         favorable   negotiated   commission  rate  to  be  applicable  to  such
         transaction,  or to  select  any  broker  solely  on the  basis  of its
         purported or "posted" commission rates.

    (e)  In  connection  with  transactions  on markets  other than  national or
         regional  securities  exchanges,  the Fund will deal  directly with the
         selling  principal or market maker  without  incurring  charges for the
         services of a broker on its behalf unless,  in the best judgment of the
         Management  Company,  better  price or  execution  can be  obtained  in
         utilizing the services of a broker.

4.  ALLOCATION  OF EXPENSES AND CHARGES.  The  Management  Company shall provide
    investment  advisory,  statistical and research  facilities and all clerical
    services  relating to research,  statistical and investment  work, and shall
    provide for the  compilation  and  maintenance  of such records  relating to
    these functions as shall be required under  applicable law and the rules and
    regulations  of the  Securities  and  Exchange  Commission.  The  Management
    Company  will also  provide  the Fund with a  president,  a chief  financial
    officer, and a secretary, subject to the approval of the Board of Directors,
    and will pay the salaries and expenses of such  officers of the Fund who are
    also directors, officer or employees of the Management Company.

    Other  than  as  specifically  indicated  in the  preceding  sentences,  the
    Management  Company  shall not be required to pay any  expenses of the Fund,
    and in particular, but without limiting the generality of the foregoing, the
    Management  Company  shall not be required  to pay office  rental or general
    administrative  expenses;  Board of  Directors'  fees;  legal,  auditing and
    accounting expenses;  insurance premiums;  broker's  commissions;  taxes and
    governmental  fees and any  membership  dues;  fees of  custodian,  transfer
    agent,  registrar  and  dividend  disbursing  agent  (if any);  expenses  of
    obtaining  quotations on the Fund's portfolio  securities and pricing of the
    Fund's shares;  cost of stock certificates and any other expenses (including
    clerical expenses) of issue, sale, repurchase or redemption of shares of the
    Fund's capital stock; costs and expenses in connection with the registration
    of  the  Fund's   capital  stock  under  the  Securities  Act  of  1933  and
    qualification  of the Fund's  capital  stock  under the Blue Sky laws of the
    states where such stock is offered;  costs and expenses in  connection  with
    the  registration  of the Fund under the Investment  Company Act of 1940 and
    all periodic and other reports required  thereunder;  expenses of preparing,
    printing  and  distributing   reports,   proxy   statements,   prospectuses,
    statements  or  additional   information,   notices  and   distributions  to
    stockholders;  costs of stationery; costs of stockholder and other meetings;
    expenses  of  maintaining   the  Fund's   corporate   existence;   and  such
    nonrecurring  expenses as may arise including  litigation affecting the Fund
    and the legal  obligations  the Fund may have to indemnify  its officers and
    directors.

5.  COMPENSATION OF MANAGEMENT COMPANY.

    (a)  As  compensation  for the  services to be  rendered  by the  Management
         Company as provided for herein, for each of the years this Agreement is
         in  effect,  the Fund  shall pay the  Management  Company an annual fee
         equal to .60  percent of the  average  daily  closing  value of the net
         assets of High Yield Series of the Fund, and .50 percent of the average
         daily closing value of the net assets of Corporate Bond Series, Limited
         Maturity Bond Series, and U.S.  Government Series of the Fund, computed
         on a daily basis.  Such fee shall be adjusted and payable  monthly.  If
         this  Agreement  shall be effective for only a portion of a year,  then
         the Management  Company's  compensation for said year shall be prorated
         for such portion.  For purposes of this Section 5, the value of the net
         assets of each such Series  shall be computed in the same manner at the
         end of the  business day as the value of such net assets is computed in
         connection with the  determination of the net asset value of the Fund's
         shares as described in the Fund's prospectus.

    (b)  For each of the Fund's  full  fiscal  years this  Agreement  remains in
         force, the Management  Company agrees that if the total annual expenses
         of  each  Series  of  the  Fund,   exclusive  of  interest  and  taxes,
         extraordinary expenses (such as litigation), and distribution fees paid
         under the  Fund's  Class B  Distribution  Plan,  but  inclusive  of the
         Management  Company's  compensation,   exceed  any  expense  limitation
         imposed by state  securities  law or  regulation  in any state in which
         shares of the Fund are then qualified for sale, as such regulations may
         be amended from time to time, the Management Company will contribute to
         such  Series  such  funds or waive such  portion  of its fee,  adjusted
         monthly as may be  requisite to insure that such annual  expenses  will
         not exceed any such limitation. If this Contract shall be effective for
         only a portion of one of the  Series'  fiscal  years,  then the maximum
         annual expenses shall be prorated for such portion.  Brokerage fees and
         commissions  incurred in  connection  with the  purchase or sale of any
         securities  by a Series  shall not be deemed  to be  expenses  with the
         meaning of this paragraph (b).

6.  MANAGEMENT  COMPANY  NOT TO  RECEIVE  COMMISSIONS.  In  connection  with the
    purchase  or sale of  portfolio  securities  for the  account  of the  Fund,
    neither the Management Company nor any officer or director of the Management
    Company  shall act as  principal or receive any  compensation  from the Fund
    other than its  compensation  as  provided  for in  Section 5 above.  If the
    Management Company, or any "affiliated person" (as defined in the Investment
    Company Act of 1940) receives any cash, credits,  commissions or tender fees
    from any person in  connection  with  transactions  in the Fund's  portfolio
    securities  (including  but not  limited  to the tender or  delivery  of any
    securities  held in the Fund's  portfolio),  the  Management  company  shall
    immediately  pay such amount to the Fund in cash or as a credit  against any
    then  earned but unpaid  management  fees due by the Fund to the  Management
    Company.

7.  LIMITATION OF LIABILITY OF  MANAGEMENT  COMPANY.  So long as the  Management
    Company  shall give the Fund the benefit of its best  judgment and effort in
    rendering services hereunder, the Management Company shall not be liable for
    any  errors of  judgment  or mistake of law,  or for any loss  sustained  by
    reason of the adoption of any  investment  policy or the  purchase,  sale or
    retention  of  any  security  on its  recommendation,  whether  or not  such
    recommendation shall have been based upon its own investigation and research
    or upon  investigation  and research made by any other  individual,  firm or
    corporation,  if such  recommendation  shall  have been made and such  other
    individual,  firm or corporation  shall have been selected with due care and
    in good faith.  Nothing herein  contained  shall,  however,  be construed to
    protect the  Management  Company  against any  liability  to the Fund or its
    security  holders  by  reason  of  willful  misfeasance,  bad faith or gross
    negligence  in the  performance  of its duties or by reason of its  reckless
    disregard of its  obligations  and duties under this  Agreement.  As used in
    this Section 7, "Management  Company" shall include directors,  officers and
    employees  of the  Management  Company,  as well as the  Management  Company
    itself.

8.  OTHER ACTIVITIES NOT RESTRICTED. Nothing in this Agreement shall prevent the
    Management  Company or any officer thereof from acting as investment adviser
    for any other person, firm, or corporation, nor shall it in any way limit or
    restrict  the  Management  Company  or  any  of  its  directors,   officers,
    stockholders  or employees from buying,  selling,  or trading any securities
    for its own  accounts  or for the  accounts  of  others  for  whom it may be
    acting; provided,  however, that the Management Company expressly represents
    that it will undertake no activities  which, in its judgment,  will conflict
    with the  performance of its  obligations to the Fund under this  Agreement.
    The Fund acknowledges that the Management Company acts as investment adviser
    to other investment  companies,  and it expressly consents to the Management
    Company  acting as such;  provided,  however,  that if in the opinion of the
    Management Company, particular securities are consistent with the investment
    objectives  of, and are desirable  purchases or sales for the  portfolios of
    one or more  Series and one or more of such other  investment  companies  or
    series of such companies at  approximately  the same time, such purchases or
    sales  will  be  made  on a  proportionate  basis  if  feasible,  and if not
    feasible, then on a rotating or other equitable basis.

9.  DURATION AND TERMINATION OF AGREEMENT. This Agreement shall become effective
    on  November  1,  1999,  provided  that on or  before  that date it has been
    approved by the holders of a majority of the outstanding  voting  securities
    of each Series of the Fund.  This  Agreement  shall  continue in force until
    November 1, 2001, and for successive  12-month  periods  thereafter,  unless
    terminated, provided each such continuance is specifically approved at least
    annually by (a) the vote of a majority of the entire  Board of  Directors of
    the Fund,  and the vote of a majority of the  directors  of the Fund who are
    not  parties to this  Agreement  or  interested  persons  (as such terms are
    defined  in the  Investment  Company  Act of 1940) of any such party cast in
    person at a meeting of such directors  called for the purpose of voting upon
    such  approval,  or (b) by the  vote of the  holders  of a  majority  of the
    outstanding  voting securities of each series of the Fund (as defined in the
    Investment  Company Act of 1940). In the event a majority of the outstanding
    shares of one series vote for continuance of the Advisory Contract,  it will
    be  continued  for that  series  even  though the  Advisory  Contract is not
    approved by either a majority of the outstanding  shares of any other series
    or by a majority  of  outstanding  shares of the Fund.  Upon this  Agreement
    becoming  effective,  any  previous  agreement  between  the  Fund  and  the
    Management Company providing for investment advisory and management services
    shall concurrently terminate,  except that such termination shall not affect
    fees accrued and  guarantees of expenses with respect to any period prior to
    termination.

    This  Agreement  may be terminated at any time as to any series of the Fund,
    without  payment of any  penalty,  by vote of the Board of  Directors of the
    Fund or by vote of the  holders  of a  majority  of the  outstanding  voting
    securities of that series of the Fund, or by the Management Company, upon 60
    days' written notice to the other party.

    This  Agreement   shall   automatically   terminate  in  the  event  of  its
    "assignment" (as defined in the Investment Company Act of 1940).

IN WITNESS  WHEREOF,  the parties  hereto have caused this  Agreement to be duly
executed by their respective  corporate  officers thereto duly authorized on the
day, month and year first above written.

                                                SECURITY INCOME FUND

                                            By: JOHN D. CLELAND
                                                --------------------------------
                                                John D. Cleland, President

ATTEST:

AMY J. LEE
- ------------------------------------
Amy J. Lee, Secretary

                                                SECURITY MANAGEMENT COMPANY, LLC

                                            By: JAMES R. SCHMANK
                                                --------------------------------
                                                James R. Schmank, President

ATTEST:

AMY J. LEE
- ------------------------------------
Amy J. Lee, Secretary
<PAGE>
                    AMENDMENT TO INVESTMENT ADVISORY CONTRACT


WHEREAS,  Security Income Fund (the "Fund") and Security Management Company, LLC
(the "Management  Company") are parties to an Investment Advisory Contract dated
November  1,  1999,  as  amended  (the  "Advisory  Contract"),  under  which the
Management Company agrees to provide investment research, advice and supervision
and  business  management  services  to the Fund in return for the  compensation
specified in the Advisory Contract;

WHEREAS,  on February 4, 2000, the Board of Directors of the Fund authorized the
Fund to offer shares of the Diversified Income Series and High Yield Series in a
new class of shares designated as Class C shares; and

WHEREAS,  this  amendment  to the  Agreement  is subject to the  approval of the
initial  shareholder of the Class C shares of the Diversified  Income Series and
High Yield Series;

NOW,  THEREFORE  BE IT  RESOLVED,  that the Fund and SMC,  LLC hereby  amend the
Investment Advisory Contract, effective February 5, 2000, as follows:

Paragraph  4 shall be  deleted  in its  entirety  and the  following  paragraphs
inserted in lieu thereof:

4.  ALLOCATION  OF EXPENSES AND CHARGES.  The  Management  Company shall provide
    investment  advisory,  statistical and research  facilities and all clerical
    services  relating to research,  statistical and investment  work, and shall
    provide for the  compilation  and  maintenance  of such records  relating to
    these functions as shall be required under  applicable law and the rules and
    regulations  of the  Securities  and  Exchange  Commission.  The  Management
    Company  will also  provide  the Fund with a  president,  a chief  financial
    officer, and a secretary, subject to the approval of the Board of Directors,
    and will pay the salaries and expenses of such  officers of the Fund who are
    also directors, officer or employees of the Management Company.

    Other  than  as  specifically  indicated  in the  preceding  sentences,  the
    Management  Company  shall not be required to pay any  expenses of the Fund,
    and in particular, but without limiting the generality of the foregoing, the
    Management  Company  shall not be required  to pay office  rental or general
    administrative  expenses;  Board of  Directors'  fees;  legal,  auditing and
    accounting expenses;  insurance premiums;  broker's  commissions;  taxes and
    governmental  fees and any  membership  dues;  fees of  custodian,  transfer
    agent,  registrar  and  dividend  disbursing  agent  (if any);  expenses  of
    obtaining  quotations on the Fund's portfolio  securities and pricing of the
    Fund's shares;  cost of stock certificates and any other expenses (including
    clerical expenses) of issue, sale, repurchase or redemption of shares of the
    Fund's capital stock; costs and expenses in connection with the registration
    of  the  Fund's   capital  stock  under  the  Securities  Act  of  1933  and
    qualification  of the Fund's  capital  stock  under the Blue Sky laws of the
    states where such stock is offered;  costs and expenses in  connection  with
    the  registration  of the Fund under the Investment  Company Act of 1940 and
    all periodic and other reports required  thereunder;  expenses of preparing,
    printing  and  distributing   reports,   proxy   statements,   prospectuses,
    statements  or  additional   information,   notices  and   distributions  to
    stockholders;  costs of stationery; costs of stockholder and other meetings;
    expenses  of  maintaining   the  Fund's   corporate   existence;   and  such
    nonrecurring  expenses as may arise including  litigation affecting the Fund
    and the legal  obligations  the Fund may have to indemnify  its officers and
    directors. Notwithstanding the foregoing, SMC shall pay all expenses related
    to the  initial  registration  and  qualification  of the  Class C shares of
    Diversified Income Series and High Yield Series,  under the Blue Sky laws of
    the states where such class of stock is offered.

IN WITNESS  WHEREOF,  the parties  hereto have  executed  this  Amendment to the
Investment Advisory Contract this 5th day of February, 2000.

                                            SECURITY INCOME FUND

                                            By: JOHN D. CLELAND
                                                --------------------------------
                                                John D. Cleland, President

ATTEST:

AMY J. LEE
- ----------------------------------
Amy J. Lee, Secretary

                                            SECURITY MANAGEMENT COMPANY, LLC

                                            By: JAMES R. SCHMANK
                                                --------------------------------
                                                James R. Schmank, President

ATTEST:

AMY J. LEE
- ----------------------------------
Amy J. Lee, Secretary


<PAGE>
                              AMENDED AND RESTATED
                                     CLASS C
                             DISTRIBUTION AGREEMENT


THIS  AGREEMENT,  made as of this 4th day of  February  2000,  between  Security
Income Fund, a Kansas  corporation  (hereinafter  referred to as the "Company"),
and Security Distributors,  Inc., a Kansas corporation  (hereinafter referred to
as the "Distributor").

                                   WITNESSETH:

WHEREAS,  the  Company  is  engaged  in  business  as  an  open-end,  management
investment  company  registered under the federal Investment Company Act of 1940
(the "1940 Act");

WHEREAS, the Company issues its stock in several series; and

WHEREAS,  the  Distributor  is willing to act as principal  underwriter  for the
Company to offer for sale,  sell and deliver  after sale,  the Class C Shares of
the Company's Capital Preservation,  High Yield and Diversified Income Series of
common  stock  (hereinafter  referred  to as  the  "Shares")  on the  terms  and
conditions hereinafter set forth;

NOW,  THEREFORE,  in consideration of the mutual covenants and agreements herein
set forth, the parties hereto agree as follows:

 1.  EMPLOYMENT OF  DISTRIBUTOR.  The Company hereby employs the  Distributor to
     act as  principal  underwriter  for the Company with respect to its Class C
     Shares and hereby  agrees that during the term of this  Agreement,  and any
     renewal or extension thereof, or until any prior termination  thereof,  the
     Distributor  shall  have  the  exclusive  right  to  offer  for sale and to
     distribute  any and all of the Class C Shares issued or to be issued by the
     Company.  The Distributor  hereby accepts such employment and agrees to act
     as the  distributor  of the  Class C Shares  issued  or to be issued by the
     Company  during the period this  Agreement  is in effect and agrees  during
     such  period to offer for sale such  Shares as long as such  Shares  remain
     available for sale,  unless the  Distributor is unable legally to make such
     offer for sale as the result of any law or governmental regulation.

 2.  OFFERING PRICE AND COMMISSIONS.  Prior to the issuance of any Shares by the
     Company pursuant to any subscription tendered by or through the Distributor
     and confirmed for sale to or through the Distributor, the Distributor shall
     pay or cause to be paid to the  custodian of the Company in cash, an amount
     equal to the net asset  value of such Shares at the time of  acceptance  of
     each such  subscription and confirmation by the Company of the sale of such
     Shares.  All  Shares  shall  be sold to the  public  only at  their  public
     offering  price at the time of such sale, and the Company shall receive not
     less than the full net asset value thereof.

 3.  ALLOCATION OF EXPENSES AND CHARGES.  During the period this Agreement is in
     effect, the Company shall pay all costs and expenses in connection with the
     registration  of Shares under the  Securities Act of 1933 (the "1933 Act"),
     including all expenses in connection  with the  preparation and printing of
     any  registration  statements and  prospectuses  necessary for registration
     thereunder  but excluding  any  additional  costs and expenses  incurred in
     furnishing the Distributor with prospectuses.

     The  Company  also  will  pay all  costs,  expenses  and fees  incurred  in
     connection with the  qualification  of the Shares under the applicable Blue
     Sky laws of the states in which the Shares are offered.

     During the period this Agreement is in effect,  the Distributor will pay or
     reimburse the Company for:

     (a)  All costs and  expenses of printing  and mailing  prospectuses  (other
          than to existing  shareholders) and  confirmations,  and all costs and
          expenses of  preparing,  printing  and mailing  advertising  material,
          sales literature, circulars, applications, and other materials used or
          to be used in  connection  with the  offering for sale and the sale of
          Shares; and

     (b)  All clerical and  administrative  costs in processing the applications
          for and in connection with the sale of Shares.

     The Distributor  agrees to submit to the Company for its prior approval all
     advertising  material,  sales literature,  circulars and any other material
     which the  Distributor  proposes to use in connection with the offering for
     sale of Shares.

 4.  REDEMPTION OF SHARES.  The Distributor,  as agent of and for the account of
     the Fund, may redeem Shares of the Fund offered for resale to it at the net
     asset value of such  Shares  (determined  as  provided in the  then-current
     registration  statement  of the Fund)  and not in  excess  of such  maximum
     amounts  as may be  fixed  from  time to time by an  officer  of the  Fund.
     Whenever the officers of the Fund deem it advisable  for the  protection of
     the shareholders of the Fund, they may suspend or cancel such authority.

 5.  SALES CHARGES. A contingent  deferred sales charge shall be retained by the
     Distributor  from the net  asset  value of  Shares  of the Fund that it has
     redeemed,  it being  understood  that such amounts will not be in excess of
     that set  forth in the  then-current  registration  statement  of the Fund.
     Furthermore,  the Distributor may retain any amounts authorized for payment
     to it under the Fund's Distribution Plan.

 6.  DISTRIBUTOR MAY ACT AS BROKER AND RECEIVE COMMISSIONS.  Notwithstanding any
     other  provisions of this  Agreement,  it is understood and agreed that the
     Distributor may act as a broker, on behalf of the Company,  in the purchase
     and sale of securities not effected on a securities exchange, provided that
     any such transactions and any commission paid in connection therewith shall
     comply  in  every  respect  with  the  requirements  of the 1940 Act and in
     particular  with Section 17(e) of that Act and the rules and regulations of
     the Securities and Exchange Commission promulgated thereunder.

 7.  AGREEMENTS  SUBJECT TO APPLICABLE LAW AND  REGULATIONS.  The parties hereto
     agree that all  provisions  of this  Agreement  will be performed in strict
     accordance  with the  requirements  of:  the 1940 Act,  the 1933  Act,  the
     Securities  Exchange  Act  of  1934,  the  rules  and  regulations  of  the
     Securities  and Exchange  Commission  under said  statutes,  all applicable
     state Blue Sky laws and the rules and regulations thereunder,  the rules of
     the  National  Association  of  Securities  Dealers,  Inc.,  and, in strict
     accordance with, the provisions of the Articles of Incorporation and Bylaws
     of the Company.

 8.  DURATION  AND  TERMINATION  OF  AGREEMENT.   This  Agreement  shall  become
     effective at the date and time that the  Company's  prospectus,  reflecting
     the  underwriting  arrangements  provided by this  Agreement,  shall become
     effective  under the 1933 Act,  and shall,  unless  terminated  as provided
     herein,  continue  in force for two years from that date,  and from year to
     year thereafter, provided that such continuance for each successive year is
     specifically  approved in advance at least  annually by either the Board of
     Directors  or by the vote of a majority (as defined in the 1940 Act) of the
     outstanding  voting  securities  of the Class C shares of the  Company or a
     Series as applicable and, in either event, by the vote of a majority of the
     directors  of the  Company  who  are  not  parties  to  this  Agreement  or
     interested  persons of any such party,  cast in person at a meeting  called
     for the  purpose of voting  upon such  approval.  As used in the  preceding
     sentence,  the words "interested  persons" shall have the meaning set forth
     in Section 2(a)(19) of the 1940 Act.

     This  Agreement  may be  terminated  at any time without the payment of any
     penalty by the Company by giving the  Distributor at least sixty (60) days'
     previous written notice of such intention to terminate.  This Agreement may
     be terminated by the Distributor at any time by giving the Company at least
     sixty (60) days' previous written notice of such intention to terminate.

     This  Agreement  shall  terminate   automatically   in  the  event  of  its
     assignment.  As used in the preceding sentence, the word "assignment" shall
     have the meaning set forth in Section 2(a)(4) of the 1940 Act.

 9.  CONSTRUCTION OF AGREEMENT. No provision of this Agreement is intended to or
     shall be construed as protecting the  Distributor  against any liability to
     the Company or to the Company's  security  holders to which the Distributor
     would otherwise be subject by reason of willful  misfeasance,  bad faith or
     gross negligence in the performance of its duties under this Agreement.

     Terms or words used in the  Agreement,  which also occur in the Articles of
     Incorporation or Bylaws of the Company,  shall have the same meaning herein
     as given to such terms or words in the Articles of  Incorporation or Bylaws
     of the Company.

10.  DISTRIBUTOR AN INDEPENDENT  CONTRACTOR.  The Distributor shall be deemed to
     be  an  independent   contractor  and,  except  as  expressly  provided  or
     authorized by the Company,  shall have no authority to act for or represent
     the Company.

11.  NOTICE. Any notice required or permitted to be given hereunder to either of
     the  parties  hereto  shall be  deemed  to have  been  given if  mailed  by
     certified mail in a  postage-prepaid  envelope  addressed to the respective
     party as follows, unless any such party has notified the other party hereto
     that  notices  thereafter  intended  for such party shall be mailed to some
     other address, in which event notices thereafter shall be addressed to such
     party at the address designated in such request:

                        Security Income Fund
                        Security Benefit Group Building
                        700 Harrison
                        Topeka, Kansas

                        Security Distributors, Inc.
                        Security Benefit Group Building
                        700 Harrison
                        Topeka, Kansas

12.  AMENDMENT OF AGREEMENT.  No amendment to this Agreement  shall be effective
     until  approved by (a) a majority of the Board of  Directors of the Company
     and a majority of the  directors of the Company who are not parties to this
     Agreement  or  affiliated  persons of any such party,  or (b) a vote of the
     holders of a majority of the outstanding  voting  securities of the Class C
     shares of the Company or a Series as applicable.

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

                                            SECURITY INCOME FUND

                                            BY: JAMES R. SCHMANK
                                                --------------------------------
                                                James R. Schmank, Vice President

ATTEST:

AMY J. LEE
- ------------------------------------
Amy J. Lee, Secretary

                                            SECURITY DISTRIBUTORS, INC.

                                            BY: GREGORY J. GARVIN
                                                --------------------------------
                                                Gregory J. Garvin, President

ATTEST:

AMY J. LEE
- ------------------------------------
Amy J. Lee, Secretary


<PAGE>
                              AMENDED AND RESTATED
                              SECURITY INCOME FUND
                                     CLASS C
                                DISTRIBUTION PLAN


1.  THE PLAN. This Distribution Plan (the "Plan"), provides for the financing by
    Security Income Fund (the "Fund") of activities  which are, or may be deemed
    to be,  primarily  intended  to  result in the sale of class C shares of the
    Fund (hereinafter called "distribution-related  activities") with respect to
    those  Series of the Fund set forth in Appendix A to the Plan  (referred  to
    herein as the "Series"). Appendix A, as it may be amended from time to time,
    is incorporated  herein by reference.  The principal purpose of this Plan is
    to enable the Fund to  supplement  expenditures  by  Security  Distributors,
    Inc.,   the   Distributor   of   its   shares   (the    "Distributor")   for
    distribution-related  activities.  This Plan is  intended to comply with the
    requirements of Rule 12b-1 (the "Rule") under the Investment  Company Act of
    1940 (the "1940 Act").

    The Board of Directors, in considering whether the Fund should implement the
    Plan, has requested and evaluated such information as it deemed necessary to
    make an informed  determination as to whether the Plan should be implemented
    and has considered such pertinent factors as it deemed necessary to form the
    basis for a decision to use assets of the Fund for such purposes.

    In voting to approve the  implementation  of the Plan,  the  Directors  have
    concluded,  in the  exercise of their  reasonable  business  judgment and in
    light of their  respective  fiduciary  duties,  that  there is a  reasonable
    likelihood that the Plan will benefit the Series and its shareholders.

2.  COVERED EXPENSES.

    (a)  The Fund may make payments  under this Plan, or any agreement  relating
         to the  implementation  of this Plan, in connection with any activities
         or expenses  primarily intended to result in the sale of Class C shares
         of  the  Series,   including,   but  not  limited  to,  the   following
         distribution-related activities:

           (i)  Preparation,  printing and  distribution  of the  Prospectus and
                Statement of Additional  Information and any supplement  thereto
                used in  connection  with the offering of Series'  shares to the
                public;

          (ii)  Printing  of  additional  copies for use by the  Distributor  as
                sales literature, of reports and other communications which were
                prepared by the Fund for distribution to existing shareholders;

         (iii)  Preparation,  printing  and  distribution  of  any  other  sales
                literature  used in  connection  with the  offering  of  Series'
                shares to the public;

          (iv)  Expenses  incurred in advertising,  promoting and selling shares
                of the Series to the public;

           (v)  Any fees paid by the Distributor to securities  dealers who have
                executed a Dealer's Distribution  Agreement with the Distributor
                for account  maintenance and personal service to shareholders (a
                "Service Fee");

          (vi)  Commissions to sales  personnel for selling shares of the Series
                and interest expenses related thereto; and

         (vii)  Expenses  incurred in  promoting  sales of shares of the Fund by
                securities  dealers,  including  the  costs  of  preparation  of
                materials  for   presentations,   travel   expenses,   costs  of
                entertainment,  and other expenses  incurred in connection  with
                promoting sales of Series shares by dealers.

    (b)  Any payments for distribution-related activities shall be made pursuant
         to an agreement.  As required by the Rule,  each agreement  relating to
         the  implementation  of this Plan  shall be in writing  and  subject to
         approval and  termination  pursuant to the  provisions  of Section 7 of
         this Plan. However,  this Plan shall not obligate the Fund or any other
         party to enter into such agreement.

3.  AGREEMENT WITH DISTRIBUTOR. All payments to the Distributor pursuant to this
    Plan shall be subject to and be made in compliance with a written  agreement
    between  the  Fund  and the  Distributor  containing  a  provision  that the
    Distributor  shall furnish the Fund with  quarterly  written  reports of the
    amounts expended and the purposes for which such  expenditures were made and
    such  other  information  relating  to  such  expenditures  or to the  other
    distribution-related  activities  undertaken or proposed to be undertaken by
    the  Distributor  during such fiscal year under its  Distribution  Agreement
    with the Fund as the Fund may reasonably request.

4.  DEALER'S DISTRIBUTION  AGREEMENT.  The Dealer's Distribution  Agreement (the
    "Agreement")  contemplated  by Section 2(a)(v) above shall permit payment of
    Service Fees to  securities  dealers by the  Distributor  only in accordance
    with the  provisions  of this  paragraph  and shall have the approval of the
    majority of the Board of Directors of the Fund,  including  the  affirmative
    vote of a majority of those Directors who are not interested  persons of the
    Fund and who have no direct or indirect  financial interest in the operation
    of the Plan or any agreement related to the Plan ("Independent  Directors"),
    as required by the Rule. The  Distributor  may pay to the other party to any
    Agreement a Service Fee for account  maintenance  and  shareholder  services
    provided by such other party.  Such Service Fee shall be payable (a) for the
    first year,  initially,  in any amount equal to 0.25 percent annually of the
    aggregate  net asset  value of the shares  purchased  by such other  party's
    customers  or  clients,  and (b) for each  year  thereafter,  quarterly,  in
    arrears  in an amount  equal to such  percentage  (not in excess of  .000685
    percent per day or 0.25 percent  annually) of the  aggregate net asset value
    of the shares held by such other  party's  customers or clients at the close
    of business each day as determined from time to time by the Distributor. The
    account maintenance and personal services contemplated hereby shall include,
    but are not limited to, answering  inquiries  regarding the Series,  account
    designations and addresses, maintaining the investment of such other party's
    customers or clients in the Series and similar services.  In determining the
    extent of such other party's  assistance in maintaining  such  investment by
    its  customers  or  clients,  the  Distributor  may take  into  account  the
    possibility  that  the  shares  held by such  customer  or  client  would be
    redeemed in the absence of such fee.

5.  LIMITATIONS  ON  COVERED  EXPENSES.  The basic  limitation  on the  expenses
    incurred by each Series of the Fund identified in Appendix A, other than the
    Capital  Preservation Series under Section 2 of this Plan (including Service
    Fees) in any  fiscal  year of the Fund shall be one  percent  (1.00%) of the
    Fund's  average  daily net assets for such fiscal year,  and with respect to
    the Capital  Preservation  Series,  shall be 0.50% (50 basis  points) of its
    average  daily net assets  for its  fiscal  year.  The  payments  to be paid
    pursuant to this Plan shall be calculated and accrued daily and paid monthly
    or at such other intervals as the Directors shall determine,  subject to any
    applicable  restrictions  imposed by the National  Association of Securities
    Dealers, Inc.

6.  INDEPENDENT  DIRECTORS.  While this Plan is in  effect,  the  selection  and
    nomination  of  Independent  Directors of the Fund shall be committed to the
    discretion of the  Independent  Directors.  Nothing herein shall prevent the
    involvement of others in such selection and nomination if the final decision
    on any such  selection  and  nomination  is  approved  by a majority  of the
    Independent Directors.

7.  EFFECTIVENESS,  CONTINUATION,  TERMINATION AND AMENDMENT. This Plan and each
    Agreement  relating to the  implementation of this Plan shall go into effect
    when approved.

    (a)  By vote of the Fund's  Directors,  including the affirmative  vote of a
         majority  of the  Independent  Directors,  cast in  person at a meeting
         called for the purpose of voting on the Plan or the Agreement; and

    (b)  Upon the  effectiveness  of an  amendment  to the  Fund's  registration
         statement, reflecting this Plan, filed with the Securities and Exchange
         Commission under the Securities Act of 1933.

    This Plan and any  Agreements  relating to the  implementation  of this Plan
    shall,  unless terminated as hereinafter  provided,  continue in effect from
    year to year only so long as such  continuance is  specifically  approved at
    least annually by vote of the Fund's  Directors,  including the  affirmative
    vote of a majority of its Independent Directors, cast in person at a meeting
    called  for the  purpose  of voting on such  continuance.  This Plan and any
    Agreements relating to the implementation of this Plan may be terminated, in
    the case of the plan, at any time or, in the case of any agreements upon not
    more  than  sixty  (60)  days'  written  notice  to any  other  party to the
    Agreement by vote of a majority of the Independent  Directors or by the vote
    of the holders of a majority of the  outstanding  voting  securities  of the
    Fund.  Any  Agreement  relating  to the  implementation  of this Plan  shall
    terminate  automatically in the event it is assigned. Any material amendment
    to this  Plan  shall  require  approval  by vote  of the  Fund's  Directors,
    including the affirmative  vote of a majority of the Independent  Directors,
    cast in  person  at a  meeting  called  for the  purpose  of  voting on such
    amendment and, if such  amendment  materially  increases the  limitations on
    expenses payable under the Plan, it shall also require approval by a vote of
    holders of at least a majority of the outstanding  voting  securities of the
    Fund. As applied to the Fund the phrase "majority of the outstanding  voting
    securities"  shall have the meaning  specified  in Section  2(a) of the 1940
    Act.

    In the event this Plan should be terminated by the shareholders or Directors
    of the Fund, the payments paid to the Distributor pursuant to the Plan up to
    the date of termination  shall be retained by the Distributor.  Any expenses
    incurred by the  Distributor  in excess of those  payments  will be the sole
    responsibility of the Distributor.

8.  RECORDS.  The Fund  shall  preserve  copies  of this  Plan  and any  related
    Agreements  and all reports made pursuant to Section 3 hereof,  for a period
    of not  less  than  six (6)  years  from  the  date of this  Plan,  any such
    Agreement or any such report,  as the case may be, the first two years in an
    easily accessible place.


                                                  SECURITY INCOME FUND

Date:  February 4, 2000                           By: AMY J. LEE
                                                      --------------------------
<PAGE>
                                   APPENDIX A


Series of Security Income Fund:

Capital Preservation Series
Diversified Income Series
High Yield Series


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