SECURITY INCOME FUND /KS/
DEF 14A, 1997-03-27
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                            SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934
                          (Amendment No.------------ )

Filed by the Registrant                                    |X|
Filed by a Party other than the Registrant                 |_|

Check the appropriate box:

|_|  Preliminary Proxy Statement
|_|  Confidential,  for  Use  of the  Commission  Only  (as  permitted  by  Rule
     14a-6(e)(2))
|X|  Definitive Proxy Statement
|_|  Definitive  Additional Materials
|_|  Soliciting Material Pursuant to ss. 240.14a-11(c) or ss. 240.14a-12

                              SECURITY INCOME FUND

                (Name of Registrant as Specified In Its Charter)

Payment of Filing Fee (Check the appropriate box):
|X|   No fee required.
|_|   Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.
      1)   Title of each class of securities to which transaction applies:
      2)   Aggregate number of securities to which transaction applies:
      3) Per unit  price  or other  underlying  value  of  transaction  computed
pursuant to Exchange Act Rule 0-11 (Set forth the amount on which the filing fee
is calculated and state how it was determined):
      4)   Proposed maximum aggregate value of transaction:
      5)   Total fee paid:

|_|   Fee paid previously with preliminary materials.
|_| Check box if any part of the fee is offset as provided by Exchange  Act Rule
0-11(a)(2)  and  identify  the  filing  for  which the  offsetting  fee was paid
previously.  Identify the previous filing by registration  statement  number, or
the Form or Schedule and the date of its filing.
      1)   Amount Previously Paid:
      2)   Form, Schedule or Registration Statement No.:
      3)   Filing Party:
      4)   Date Filed:

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                  Notice of Special Meeting of Stockholders of
              Security Income Fund, Global Aggressive Bond Series
                           to be held April 28, 1997
                   700 SW Harrison, Topeka, Kansas 66636-0001
                            Telephone 1-800-888-2461


To the Stockholders of
 * Security Income Fund
     - Global Aggressive Bond Series

     Notice is hereby given that a special meeting of the stockholders of Global
Aggressive  Bond  Series  of  Security  Income  Fund  (the  "Fund"),   a  Kansas
corporation,  will be held at the offices of the Fund,  Security  Benefit  Group
Building, 700 SW Harrison Street,  Topeka, Kansas 66636-0001,  on April 28, 1997
at 9:30 a.m. local time ("Meeting"), for the following purposes:

     1.   To approve a New  Investment  Advisory  Contract,  as exhibited in the
          attached proxy statement,  which replaces Security Management Company,
          LLC as  investment  manager to the Fund with MFR  Advisors,  Inc. (MFR
          Advisors, Inc. is currently a sub-adviser to the Fund.)

     2.   To approve a new Sub-Advisory  Contract,  as exhibited in the attached
          proxy  statement,  between the  prospective  investment  adviser,  MFR
          Advisors,  Inc.  and  Lexington  Management  Corporation.   (Lexington
          Management Corporation is currently a sub-adviser to the Fund.)

     3.   To  transact  such other  business  as may  properly  come  before the
          Meeting or any adjournments  thereof,  and to adjourn the Meeting from
          time to time.

     The Board of  Directors  of Security  Income Fund on behalf of the Fund has
fixed  the  close of  business  on March 3,  1997,  as the  record  date for the
determination  of  stockholders of the Fund entitled to notice of and to vote at
the Meeting.

   
     Notice is also given that on February 7, 1997,  the Board of  Directors  of
Security  Income Fund  approved a change in the names of the existing  series of
the Fund from Global  Aggressive Bond Series A and B to Global High Yield Series
A and B to more fully reflect the investment  objectives of the Series. The name
change will be made effective May 1, 1997.
    

     THERE IS  ENCLOSED  A PROXY FORM  SOLICITED  BY THE BOARD OF  DIRECTORS  OF
SECURITY  INCOME  FUND.  ANY  FORM OF  PROXY  WHICH IS  EXECUTED  AND  RETURNED,
NEVERTHELESS MAY BE REVOKED PRIOR TO ITS USE. ALL SUCH PROXIES PROPERLY EXECUTED
AND RECEIVED IN TIME WILL BE VOTED AT THE MEETING.

                                           By order of the Board of Directors of
                                                           Security Income Fund,
                                                                      AMY J. LEE
                                                                       Secretary
Topeka, Kansas
   
March 27, 1997
    

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

Important: Stockholders who do not expect to be present in person at the meeting
are requested to make,  date,  sign and return the enclosed proxy card(s) to the
Fund as early as possible.

<PAGE>

SECURITY INCOME FUND
  - GLOBAL AGGRESSIVE BOND SERIES

MEMBER OF THE SECURITY BENEFIT GROUP OF COMPANIES
700 SW HARRISON STREET, TOPEKA, KANSAS 66636-0001

                SPECIAL MEETING OF STOCKHOLDERS, APRIL 28, 1997
                                PROXY STATEMENT

                     SOLICITATION AND REVOCATION OF PROXIES

   
     The enclosed  proxy is solicited by and on behalf of the Board of Directors
of Security  Income Fund for Global  Aggressive  Bond Series (the "Fund") and is
revocable by timely  submission to the Secretary of the Security  Income Fund of
another proxy or of notice of  revocation  in proper  written form, or by voting
the shares in person at the Meeting.  A second  proxy form may be obtained  from
the Secretary of Security  Income Fund.  The cost of soliciting  proxies will be
borne by  Security  Management  Company,  LLC,  the Fund's  existing  investment
manager  ("SMC"  or  the  "Existing   Investment   Manager").   In  addition  to
solicitations by mail, some of the Existing  Investment  Manager's  officers and
employees,  without extra remuneration,  may conduct additional  solicitation by
telephone, telegraph and personal interviews. Proxies will be mailed on or about
March 27, 1997.
    

                               VOTING SECURITIES

     Only  stockholders  of record at the close of business on March 3, 1997 are
entitled to vote at the special Meeting. On that date, the outstanding number of
voting  securities  of the Fund was as follows:  348,413.268  Class A shares and
148,160.022 Class B shares, all of which are common stock of the Fund of the par
value of $1.00 per share.  Each share in each  series is  entitled  to one vote.
Approval of the New Investment  Advisory  Contract,  Proposal No. 1, and the New
Sub-Advisory Contract, Proposal No. 2, will each require the affirmative vote of
a  majority  of the  outstanding  shares  of the  common  stock of the  Fund.  A
"majority  vote"  is  defined  as the  vote of  either  67% or  more  of  voting
securities present at the meeting in person or by proxy, or more than 50% of the
outstanding  voting  securities of the Fund,  whichever is less. The Class A and
Class B shares of the Fund will be voted  together on each  proposal  due to the
commonality  of the  interest of the two  classes of shares with  respect to the
proposals to be voted upon.

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

The Fund will furnish,  without charge,  a copy of the annual report  containing
audited  financial  statements  for the fiscal year ended December 31, 1996 to a
shareholder upon request. Such requests should be directed to Amy Lee, Secretary
of the Fund by writing the Fund at 700 SW Harrison,  Topeka,  Kansas 66636-0001,
or by calling the Fund's toll-free  telephone number  1-800-888-2461,  extension
3127.

                                       1
<PAGE>

                                 PROPOSAL NO. 1
      APPROVAL OF NEW INVESTMENT ADVISORY CONTRACT WITH MFR ADVISORS, INC.

   
     The  Fund's  shareholders  are asked to approve a new  Investment  Advisory
Contract  (the "New  Investment  Advisory  Contract")  between  the Fund and MFR
Advisors,  Inc.  ("MFR"  or the  "New  Investment  Manager").  Pursuant  to this
proposal,  MFR will replace SMC as the principal investment adviser to the Fund.
MFR currently  serves as sub-adviser to the Fund. The Fund's Board of Directors,
including a majority of the disinterested Directors, approved the New Investment
Advisory  Contract  at a  Meeting  held  on  February  7,  1997.  If the  Fund's
stockholders  approve the New Investment  Advisory Contract at the Meeting,  the
Existing  Investment  Advisory  Contract  between the Fund and SMC, the existing
Sub-Advisory  Contract between SMC and Lexington,  and the existing Sub-Advisory
Contract between  Lexington and MFR will terminate  effective on May 1, 1997 (or
on such later date on which stockholder approval is obtained).  The terms of the
New  Investment  Advisory  Contract,  including the  investment  management  fee
payable by the Fund, are identical in all material  respects to the terms of the
Existing Investment Advisory Contract.
    

THE BOARD OF DIRECTORS RECOMMENDS THAT THE FUND'S STOCKHOLDERS VOTE FOR APPROVAL
OF THE NEW INVESTMENT ADVISORY CONTRACT.

                                 PROPOSAL NO. 2
            APPROVAL OF A NEW SUB-ADVISORY AGREEMENT BETWEEN MFR AND
                        LEXINGTON MANAGEMENT CORPORATION

   
     The Fund's  shareholders are asked to approve a new sub-advisory  agreement
between  MFR  and  Lexington   Management   Corporation   ("Lexington"   or  the
"Sub-Adviser").  Lexington currently furnishes sub-advisory services to the Fund
pursuant to the terms of a sub-advisory  contract between SMC and Lexington.  If
this Proposal No. 2 is approved by the shareholders,  Lexington will continue to
provide  sub-advisory  services  to  the  Fund  pursuant  to a new  sub-advisory
contract between MFR and Lexington (the "New Sub-Advisory Contract"). The Fund's
Board  of  Directors,  including  a  majority  of the  disinterested  Directors,
approved  the New  Sub-Advisory  Contract at a Meeting held on February 7, 1997.
The  terms  of the New  Sub-Advisory  Contract,  including  the  net  investment
management  fee which  will be paid to  Lexington  by MFR, are identical  in all
material respects to the terms of the existing Sub-Advisory Contract between SMC
and Lexington.  The execution of Proposal No. 2 if approved,  is contingent upon
the approval of the New Investment Advisory Contract between the Fund and MFR as
the new investment adviser of the Fund under Proposal No. 1.
    

THE BOARD OF DIRECTORS RECOMMENDS THAT THE FUND'S STOCKHOLDERS VOTE FOR APPROVAL
OF THE NEW SUB-ADVISORY CONTRACT.

                                       2
<PAGE>

                     EXISTING INVESTMENT ADVISORY CONTRACTS

   
     EXISTING  INVESTMENT ADVISORY CONTRACT.  Security Management Company,  LLC,
successor firm to Security Management Company, 700 SW Harrison,  Topeka,  Kansas
66636-0001 has served as the investment  adviser to the Fund since its inception
pursuant to an amendment, dated May 1, 1995, to the Investment Advisory Contract
with Security Income Fund ("Existing  Investment Advisory Contract"),  which was
approved by the initial  Stockholder of the Fund on April 18, 1995. The contract
was renewed by the Board of  Directors  of Security  Income  Fund  (including  a
majority  of the  directors  who are not parties to the  contract or  interested
persons of any such  party) on  February  7, 1997,  and will  continue in effect
until stockholder  approval of the New Investment  Advisory Contract proposed by
this proxy,  or, if such  contract is not  approved,  until May 1, 1998 and from
year to year thereafter  providing such continuance is specifically  approved by
the vote of the  majority  of the Board of  Directors  of  Security  Income Fund
(including a majority of such  directors  who are not parties to the contract or
interested  persons of any such party) cast in person at a meeting  specifically
called  for  voting  on  such  renewal.  The  contract  provides  that it may be
terminated  without  penalty at any time upon sixty days' notice by the Board of
Directors of Security  Income Fund, or by a vote of the holders of a majority of
the  outstanding  securities  of the Global  Aggressive  Bond Series,  or by the
Existing Investment Manager. The contract terminates  automatically in the event
of its  assignment  (as such term is defined in  the  Investment Company  Act of
1940).
    

     Pursuant to the terms of the  Existing  Investment  Advisory  Contract  the
Existing  Investment Manager furnishes  statistical and research services to the
Fund,  supervises and arranges for the purchase and sale of securities on behalf
of the Fund,  provides for the maintenance and compilation of records pertaining
to the investment  advisory  functions,  and also makes certain  guarantees with
respect to the Fund's annual expenses. As compensation for the services provided
to the Fund, the Existing  Investment  Manager  receives on an annual basis, .75
percent of the average  daily net assets of the Fund,  computed on a daily basis
and payable  monthly.  The  contract  provides  that for each of the full fiscal
years during it's term,  the Existing  Investment  Manager  guarantees  that the
aggregate   annual   expenses  of  every   character,   exclusive  of  brokerage
commissions,  interest,  taxes,  Class B  distribution  fees  and  extraordinary
expenses  (such  as  litigation),  but  inclusive  of  the  Existing  Investment
Manager's  compensation,  shall not for the Fund exceed any  expense  limitation
imposed by state securities  regulation in any state in which shares of the Fund
are qualified for sale.  The Existing  Investment  Manager  agrees to contribute
such funds to the Fund or to waive such portion of its  compensation in any year
as may be necessary to ensure that the total  annual  expenses  shall not exceed
any such limitation.

   
     For  the  fiscal  year  ended  December  31,  1996,  all of the  investment
advisory,  transfer agent and administrative fees were voluntarily waived by the
Existing Investment Manager. Absent such waiver, the Existing Investment Manager
would  have  earned  $34,900  from  the Fund  under  the  terms of the  Existing
Investment  Advisory  Contract.  In addition  the  Existing  Investment  Manager
provided transfer agent services and certain other  administrative  services for
which it would have received  $1,269 for transfer agent services and $41,953 for
administrative  services  during such fiscal year.  Such  services were provided
pursuant to an  Administrative  Services  and  Transfer  Agency  Agreement  with
Security Income Fund,  dated April 1, 1987, which was amended on May 1, 1995, to
include the Fund.
    

     EXISTING LEXINGTON  SUB-ADVISORY  CONTRACT. The Existing Investment Manager
has engaged Lexington Management Corporation ("Lexington" or the "Sub-Adviser"),
Park 80 West,  Plaza Two,  Saddle Brook,  New Jersey 07663,  to provide  certain
investment advisory services to the Fund pursuant to the terms of a sub-advisory
agreement  dated  May 1,  1995  ("Existing  Lexington  Sub-Advisory  Agreement")
between the Existing Investment Manager and Lexington.  The contract was renewed
by the Board of Directors of Security  Income Fund  (including a majority of the
directors who are not parties to the contract or interested  persons of any such
party) on  February  7,  1997.  The  contract  will  continue  in  effect  until
stockholder  approval of the New Investment  Advisory  Contract proposed by this
proxy, or, if such contract is not approved,  until May 1, 1998 and from year to
year thereafter providing such continuance is specifically  approved by the vote
of the

                                       3
<PAGE>

majority of the Board of Directors of Security Income Fund (including a majority
of such  directors who are not parties to the contract or interested  persons of
any such  party) cast in person at a meeting  specifically  called for voting on
such renewal.  Under the Existing Lexington  Sub-Advisory  Agreement,  Lexington
furnishes  the  Fund  with   investment   advisory,   statistical  and  research
facilities, supervises and arranges for the purchase and sale of securities, and
provides for the  maintenance  and  compilation  of records  pertaining  to such
investment  advisory  functions  subject to the control and  supervision  of the
Board  of  Directors  of the  Fund  and  the  Existing  Investment  Manager.  As
compensation  for the services  provided to the Fund,  the  Existing  Investment
Manager pays  Lexington,  on an annual basis,  a fee equal to .35 percent of the
average daily net assets of such Fund, calculated daily and payable monthly. The
Existing Lexington  Sub-Advisory  Agreement may be terminated without penalty at
any time by either  party on sixty  days'  written  notice and is  automatically
terminated  in the event of its  assignment  or in the event  that the  Existing
Investment  Advisory  Contract between the Existing  Investment  Manager and the
Fund is terminated, assigned or not renewed.

     EXISTING MFR  SUB-ADVISORY  CONTRACT.  Lexington  has engaged MFR Advisors,
Inc.,  One Liberty  Plaza,  New York,  New York 10006,  to provide the Fund with
investment  and  economic  research  services,   pursuant  to  the  terms  of  a
sub-advisory agreement dated May 1, 1995 ("Existing MFR Sub-Advisory Agreement")
between Lexington and MFR. The contract was renewed by the Board of Directors of
Security  Income Fund (including a majority of the directors who are not parties
to the  contract or  interested  persons of any such party) on February 7, 1997.
The  contract  will  continue in effect  until  stockholder  approval of the New
Investment Advisory Contract proposed by this proxy, or, if such contract is not
approved,  until  May 1, 1998 and from year to year  thereafter  providing  such
continuance is specifically approved by the vote of the majority of the Board of
Directors of Security  Income Fund  (including a majority of such  directors who
are not parties to the contract or interested persons of any such party) cast in
person at a meeting specifically called for voting on such renewal.  Pursuant to
the contract,  MFR provides  investment  and economic  research  services to the
Fund,  subject to the control and  supervision  of the Board of  Directors,  the
Existing Investment Manager and Lexington. For the services provided by MFR, MFR
receives from  Lexington,  on an annual basis, a fee equal to .15 percent of the
average daily net assets of the Fund,  calculated daily and payable monthly. The
Existing MFR  Sub-Advisory  Agreement may be terminated  without  penalty at any
time by  either  party  on  sixty  days'  written  notice  and is  automatically
terminated  in the event of its  assignment  or in the event  that the  Existing
Investment  Advisory  Contract between the Existing  Investment  Manager and the
Fund or the Existing Lexington Sub-Advisory Agreement is terminated, assigned or
not renewed.

                        NEW INVESTMENT ADVISORY CONTRACT

     The Fund proposes to enter into the New Investment  Advisory  Contract with
MFR Advisors,  Inc.,  attached as Exhibit A to this proxy statement,  subject to
approval  by a majority  of the  stockholders.  The New  Advisory  Contract  was
proposed by the Existing Investment Manager and was unanimously  approved by the
Board of  Directors  of  Security  Income  Fund  (including  a majority  of such
directors who are not parties to such contract or interested persons of any such
party) on February 7, 1997. The New Investment  Advisory  Contract  differs from
the Existing  Investment Advisory Contract only in that it replaces SMC with MFR
as the new investment manager. The terms of the New Investment Advisory Contract
are identical in all material  respects to the terms of the Existing  Investment
Advisory Contract.  As with the Existing Investment  Advisory Contract,  the New
Investment  Advisory  Contract  provides  for  compensation  equal to .75 of one
percent of the Fund's  average net assets  computed on a daily basis and payable
monthly.

     It is expected that the new contract will become  effective on May 1, 1997,
provided  that prior to that date it is approved by the holders of a majority of
the outstanding  voting  securities of the Fund. The new contract shall continue
in force until May 1, 1998,  and from year to year  thereafter,  providing  such
continuance is specifically  approved by a majority of the Board of Directors of
the Fund  (including a majority of such directors who are not parties to the New
Investment  Advisory  Contract or interested  persons of any such party). At the
time the New Investment Advisory Contract becomes effective, the Existing

                                       4
<PAGE>

Investment  Advisory  Contract,  Existing  Lexington  Sub-Advisory  Contract and
Existing MFR Sub-Advisory Contract will automatically terminate.

   
     In recommending the approval of the New Investment Advisory Contract to the
stockholders  of the  Fund,  the  Board  considered  such  factors  as it deemed
reasonably necessary,  including (1) the fairness of the investment advisory fee
to be paid by the  Fund;  (2) the  nature  and  quality  of the  services  to be
rendered and the results achieved by the New Investment  Manager in its capacity
as sub-adviser  to the Fund during the past two years;  (3) the cost to the Fund
for  administrative  services to be rendered by the Existing  Investment Manager
under a separate  administrative  services agreement;  (4) comparative  industry
advisory fee structures and expense ratios for the Fund including, specifically,
the relationship of the proposed  advisory fee rates to those typically  charged
similar mutual funds; (5) the financial  soundness of the New Investment Manager
to render all necessary services to the Fund; and (6) the total fees paid by the
Fund,  including  12b-1  plan fees.  The Board gave equal  weight to each of the
above factors when considering approval of the Contract.

     The New Investment  Advisory  Contract provides that for each of the Fund's
full fiscal years during its term, the New Investment  Manager  guarantees  that
the  aggregate  annual  expenses  of every  character,  exclusive  of  brokerage
commissions,  interest,  taxes and extraordinary  expenses (such as litigation),
but inclusive of the New Investment Manager's compensation, shall not exceed any
expense limitation imposed by state securities  regulation in any state in which
shares of the Fund are qualified for sale. The New Investment  Manager agrees to
contribute  such funds to the Fund or to waive such portion of its  compensation
in any year as may be necessary to ensure that such total annual  expenses  will
not exceed any such  limitation.  The New Investment  Manager,  however,  is not
aware of any such limitation  currently imposed by state securities  regulation,
and  therefore,  does not anticipate  waiving or reimbursing  any expenses under
this provision. However, the Investment Adviser intends to voluntarily limit the
expenses of the Fund to 2.00 percent of average net assets with respect to Class
A shares and 2.75  percent of average net assets with  respect to Class B shares
during the year ending December 31, 1997.
    

     The  New  Investment  Advisory  Contract  sets  forth  the  New  Investment
Manager's responsibilities and the procedures relating to portfolio transactions
and brokerage. The New Investment Manager may benefit from its relationship with
the Fund by receiving  investment  information and services from  broker/dealers
that execute transactions in portfolio securities on behalf of the Fund. The New
Investment Manager may use all, none or some of such information and services in
providing  investment advisory services to the Fund and other mutual funds under
its  management.  The New  Investment  Advisory  Contract  does not change  past
practices and policies of the Fund relating to portfolio transactions,  nor does
it change  services to be performed or  facilities  to be provided.  For further
discussion  regarding  portfolio  brokerage and the possible benefits to the New
Investment Manager, see Portfolio Brokerage on page 11.

   
     The New  Investment  Advisory  Contract  also sets forth the expenses to be
paid by the New Investment  Manager and the Fund. The New Investment  Manager is
to pay only those expenses relating to its  responsibility to provide investment
advisory,  statistical  and research  services  and  facilities,  including  all
clerical services relating to research, statistical and investment work, and for
the compilation  and maintenance of such records  relating to these functions as
are  required  under  applicable  law  and  the  rules  and  regulations  of the
Securities  and  Exchange  Commission.  The  Fund  will be  responsible  for its
expenses,   including   the  following   expenses:   office  rental  or  general
administrative expenses, insurance premiums, expenses of obtaining quotations on
the Funds'  portfolio  securities and pricing of the Fund's shares,  expenses of
maintaining  the  Fund's  corporate  existence,  directors'  fees,  expenses  of
preparing  and  distributing  reports to  shareholders,  brokerage  commissions,
interest charges, and legal, auditing and accounting expenses. The Board and the
Management   of   the   Fund   believe   limiting   the   Investment   Manager's
responsibilities  to providing  investment  advisory,  statistical  and research
services, is consistent with industry practice.

     The Board of Directors of the Fund,  unanimously recommends approval of the
New  Investment  Advisory  Contract by a vote in favor of Proposal No. 1. In the
event the proposed contract is not approved,  the Existing  Investment  Advisory
Contract will continue in effect according to its terms.
    

                                       5
<PAGE>

                           NEW SUB-ADVISORY CONTRACT

   
     The  Fund  proposes  to  enter  into  a  new  Sub-Advisory  Contract  ("New
Sub-Advisory  Contract")  between  the  New  Investment  Manager  and  Lexington
Management  Corporation  attached  hereto as Exhibit "B," which will replace the
Existing Lexington Sub-Advisory Contract between the Existing Investment Manager
and  Lexington.  The  terms  of the New  Sub-Advisory  Contract,  including  the
investment  management  fee  which  will be paid to the  Sub-Adviser  by the New
Investment  Manager,  are identical in all material respects to the terms of the
Existing  Lexington  Sub-Advisory  Contract.  The New Sub-Advisory  Contract was
proposed by the Existing Investment Manager and was unanimously  approved by the
Board of  Directors  of  Security  Income  Fund  (including  a majority  of such
directors who are not parties to such contract or interested persons of any such
party) on February 7, 1997.  The  execution of this Proposal No. 2 is contingent
upon shareholder approval of Proposal No. 1 pertaining to the approval of MFR as
the New Investment Manager.
    

     Under the New  Sub-Advisory  Contract,  the  Sub-Adviser  will  continue to
furnish the Fund with  investment  research  and advice in  connection  with the
Fund's  investment  in global  securities,  and  effect  purchases  and sales of
portfolio  securities,  subject  to the  policies  and  control  of the Board of
Directors and the supervision of the New Investment  Manager.  For its services,
the  Sub-Adviser  will receive from the New Investment  Manager a monthly fee at
the annual rate of .20% of the average  daily closing value of the net assets of
the Fund.  The  Sub-Adviser  has agreed to pay its expenses in  connection  with
providing  the  advisory  services,   including  any  expenses  associated  with
preparing  reports for the Fund's Board of Directors  and expenses of any travel
by employees of the  Sub-Adviser in connection  with such reports as well as any
expenses that it may incur in communicating with the New Investment Manager.

   
     It is expected that the New Sub-Advisory  Contract will become effective on
May 1, 1997, provided that prior to that date it is approved by the holders of a
majority of the outstanding voting securities of the Fund. The new contract will
continue in force until May 1, 1998, and from year to year thereafter, providing
such  continuance  is  specifically  approved  by a  majority  of the  Board  of
Directors  of the Fund  (including  a  majority  of such  directors  who are not
parties  to the New  Sub-Advisory  Contract  or  interested  persons of any such
party).  At  the  time  the  New  Investment   Advisory  Contract  and  the  New
Sub-Advisory  Contract become  effective,  the Existing  Lexington  Sub-Advisory
Contract  between  the  Existing  Investment  Manager and the  Sub-Adviser  will
automatically terminate. The New Sub-Advisory Contract may be terminated without
penalty upon sixty days' written  notice by either party or by vote of the Board
of Directors or by vote of a majority of the holders of the  outstanding  voting
securities  of the  Fund.  The  New  Sub-Advisory  Contract  will  automatically
terminate  in the  event  of the  termination  of the  New  Investment  Advisory
Contract between the New Investment  Manager and the Fund or in the event of its
assignment.

     In  recommending  the  approval  of the New  Sub-Advisory  Contract  to the
shareholders  of the Fund the Board of Directors  considered  such factors as it
deemed  reasonably  necessary,  including  (1) the  nature  and  quality  of the
services to be provided to the Fund and the results  achieved by the Sub-Adviser
over the past two years; (2) the fairness of the compensation of the Sub-Adviser
under all agreements with the  Sub-Adviser;  (3) the financial  soundness of the
Sub-Adviser  to render  all  necessary  services  to the Fund;  (4)  comparative
industry  advisory fee  structures  and expense  ratios for the Fund  including,
specifically,  the  relationship  of the  proposed  advisory  fee rates to those
typically charged similar mutual funds; and (5) the total fees paid by the Fund,
including  12b-1  plan fees.  The Board  gave equal  weight to each of the above
factors when considering approval of the Contract.
    

     The Board of Directors of the Fund unanimously  recommends  approval of the
New  Sub-Advisory  Contract by a vote in favor of  Proposal  No. 2. In the event
that the proposed contract is not approved,  the Board of Directors will meet to
consider what action should be taken to present  another  Sub-Advisory  contract
for approval.

                                       6
<PAGE>

                       THE PROSPECTIVE INVESTMENT ADVISER

     MFR Advisors,  Inc., is located at One Liberty  Plaza,  New York, New York,
10006. MFR is 100% owned by Maria Fiorini Ramirez,  Inc., a New York corporation
("Ramirez"). Security Benefit Life Insurance Company ("SBL") is negotiating with
Ramirez to acquire  stock  rights that would enable SBL to acquire up to 100% of
the  ownership  interest in MFR upon the  exercise of such  rights.  Ramirez was
established  in August of 1992 to provide  economic  consulting  and through its
subsidiary  companies,  investment  advisory and other  broker/dealer  services.
Ramirez is a successor firm to Maria Ramirez Capital Consultants, Inc. which was
formed  in  April  1990 as a  subsidiary  of  John  Hancock  Freedom  Securities
Corporation  (JHFSC).  Maria  Fiorini  Ramirez  owns 100% of the common stock of
Ramirez  and JHFSC  owns 20% of the  preferred  stock of  Ramirez  which,  under
certain  circumstances,  would be  convertible  into 20% of the common  stock of
Ramirez.  Security  Benefit Life  Insurance  Company is a mutual life  insurance
company  incorporated  under  the laws of  Kansas  with over  $15.5  billion  of
insurance in force.

   
     MFR has served as  sub-adviser  to the Fund since its  inception  on May 1,
1995,  providing global  investment  advisory services to the Fund. MFR seeks to
provide  superior  long-term  performance  results by combining its noted global
economic forecasting with active value-added  portfolio  management.  If the New
Investment  Advisory Contract,  Proposal No. 1, is approved by the stockholders,
it is  anticipated  that MFR will  continue to provide such services to the Fund
and those additional  investment  advisory  services  currently  provided by the
Existing Investment Manager.
    

     The names and principal occupations of the executive officers and directors
of MFR and their position with the Fund are as follows:

- --------------------------------------------------------------------------------
                       PRINCIPAL                POSITION               POSITION
NAME*                  OCCUPATION               WITH MFR               WITH FUND
- --------------------------------------------------------------------------------

Maria Fiorini Ramirez  Chief Executive          Chief Executive Officer,  (1)
                       Officer and              and Director
                       President
                       MFR Advisors, Inc.

Bruce Jensen           Executive Vice           Executive Vice President  (1)
                       President                and Director
                       MFR Advisors, Inc.

Timothy F. Downing     Chief Financial Officer  Chief Financial Officer   None
                       MFR Advisors, Inc.       and Director

*All located at One Liberty Plaza, New York, New York 10006.
- --------------------------------------------------------------------------------

(1) It is  anticipated  that Maria  Fiorini  Ramirez  and Bruce  Jensen  will be
appointed as directors of the Fund in the near future.

                                       7

<PAGE>

     MFR  acts as  investment  manager  or  sub-adviser  for the  portfolios  of
registered investment companies with investment objectives similar to the Fund's
investment   objective  of  high  current   income  and   secondarily,   capital
appreciation.  Set forth  below is the name of each  such  fund,  together  with
information  concerning  the  fund's net assets and the fees paid to MFR for its
services.

- --------------------------------------------------------------------------------
FUND               RELATIONSHIP  NET ASSETS      ANNUAL RATE      FEE WAIVER OR
NAME               OF MFR        AS OF 12-31-96  OF COMPENSATION  REIMBURSEMENTS
- --------------------------------------------------------------------------------

Lexington Ramirez  Sub-Adviser   $29,109,820     .5% of net       None
Global Income                                    assets in
                                                 excess of
                                                 $15 million

SBL Fund -
Series K           Sub-Adviser   $12,743,098     .15% of net      (1)
                                                 assets
- --------------------------------------------------------------------------------

(1) MFR voluntarily  agreed to waive all fees for fiscal year ended December 31,
1996.

                                THE SUB-ADVISER

     Lexington Management  Corporation is a wholly owned subsidiary of Lexington
Global Asset Managers,  Inc., Park 80 West,  Plaza Two, Saddle Brook, New Jersey
07663, which is organized as a Delaware corporation,  the majority of the common
stock of  which is owned by  descendants  of  Lunsford  Richardson,  Sr.,  their
spouses, trusts and other related entities.

     The  Sub-Adviser  has  furnished  advisory  services  to the Fund since its
inception  on May 1,  1995,  and it is  anticipated  that the  Sub-Adviser  will
continue  to provide  similar  services  to the Fund under the New  Sub-Advisory
Agreement, Proposal No. 2, if approved by the shareholders.

     The names and principal occupations of the executive officers and directors
of the Sub-Adviser and their positions with the Funds are as follows:

<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------------------------------
                        PRINCIPAL                                               POSITION WITH             POSITION WITH
NAME*                   OCCUPATION                                              SUB-ADVISER               FUND
- ------------------------------------------------------------------------------------------------------------------------
<S>                     <C>                                                     <C>                       <C>
ROBERT M. DEMICHELE     President and Director, Lexington Global                Chairman                  None
                        Asset Managers, Inc.; Chairman and                      and Chief
                        Chief Executive Officer, Lexington                      Executive
                        Management Corporation; Chairman                        Officer
                        and Chief Executive Officer, Lexington Funds
                        Distributor, Inc.; Director, Chartwell Re
                        Corporation; Director, The Navigator's
                        Insurance Group, Inc.; Director, Unione
                        Itaiana Reinsurance; Director, Vanguard Cellular
                        Systems, Inc.; Chairman, Lexington Group
                        of Investment Companies; Chairman of the
                        Board, Market Systems Research, Inc. and
                        Market Systems Research Advisors, Inc.
                        (registered investment advisers)
</TABLE>
                                       8
<PAGE>

<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------------------------------
                        PRINCIPAL                                               POSITION WITH             POSITION WITH
NAME*                   OCCUPATION                                              SUB-ADVISER               FUND
- ------------------------------------------------------------------------------------------------------------------------
<S>                     <C>                                                     <C>                       <C>
Richard  M. Hisey       Chief Financial Officer, Managing Director              Chief Financial           None
                        and Director, Lexington Management                      Officer,
                        Corporation; Executive Vice President and               Managing
                        Chief Financial Officer, Lexington Global               Director and
                        Asset Managers, Inc.; Chief Financial Officer           Director
                        and Vice President, Lexington Group of
                        Investment Companies; Vice President and
                        Treasurer, Market Systems Research Advisors,
                        Inc.; Chief Financial Officer, Vice President
                        and Director, Lexington Funds Distributor, Inc.

Lawrence Kantor         Executive Vice President, Managing                      Executive                 None
                        Director and Director, Lexington                        Vice President,
                        Management Corporation; Executive Vice                  Managing
                        President, General Manager-Mutual Funds,                Director and
                        Lexington Global Asset Managers, Inc.;                  Director
                        Vice President and Director, Lexington Group
                        of Investment Companies; Executive Vice
                        President and Director, Lexington Funds
                        Distributor, Inc.

Stuart S. Richardson    Chairman of the Board, Lexington                        Director                  None
                        Global Asset Managers, Inc.
</TABLE>

*All located at P.O. Box 1515, Saddle Brook, New Jersey 07663.
- --------------------------------------------------------------------------------

     The  Sub-Adviser  acts  as  investment   manager  or  sub-adviser  for  the
portfolios of registered investment companies with investment objectives similar
to the Fund's  investment  objective  of high current  income and,  secondarily,
capital  appreciation.  Set  forth  below  is the  name of  each of such  funds,
together with information  concerning the fund's net assets and the fees paid to
Lexington for its services.

- --------------------------------------------------------------------------------
FUND               RELATIONSHIP  NET ASSETS      ANNUAL RATE       FEE WAIVER OR
NAME               OF LEXINGTON  AS OF 12-31-96  OF COMPENSATION  REIMBURSEMENTS
- --------------------------------------------------------------------------------

Lexington Ramirez  Adviser       $29,109,820     .50% of net assets    (1)
Global Income

SBL Fund -
  Series K         Sub-Adviser   $12,742,098     .35% of net assets    (2)

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

(1)  Lexington  has  voluntarily  at least until April 30,  1997  undertaken  to
     reimburse the fund, the amount, if any, whereby total expenses of such fund
     (excluding  interest,   taxes,   brokerage  commissions  and  extraordinary
     expenses but including  management fee and operating expenses) exceed 1.50%
     of the amount of daily net assets of the fund on an annual basis.

(2)  Lexington  voluntarily  waived all fees for the fiscal year ended  December
     31, 1996.

                                       9
<PAGE>

     The Sub-Adviser also provides certain administrative  services to the Fund,
pursuant to a Sub-Administrative Agreement, dated September 10, 1993, as amended
to include  the Fund,  effective  May 1, 1995.  Pursuant to this  agreement  the
Sub-Adviser  provides  certain  accounting  functions,  the pricing function and
related  recordkeeping for the Fund and certain other mutual funds for which the
Existing  Investment Manager acts as fund  administrator.  For such services the
Existing  Investment  Manager pays the  Sub-Adviser  annual  compensation  which
consists  of an  annual  base fee of $9,000  per fund (or  series of a fund) per
contract  year,  plus the  greater of (i) a minimum  fee of $47,000 per fund (or
series of a fund) per  contract  year or (ii) an amount  equal to the  following
percentages of the aggregate average daily net assets of the funds/series:

    Average Daily Net Assets of the Combined Funds/Series Compensation
    Less than $500  million ................................  .07%, plus
    $500 million but less than $1 billion ..................  .045%, plus
    $1 billion or more .....................................  .025%

     It is  anticipated  that SMC, the  administrator  for the Fund,  will begin
providing   the   sub-administrative   services   previously   provided  by  the
Sub-Adviser, effective May 1, 1997.

                                  UNDERWRITER

   
     Security Distributors,  Inc., a wholly-owned subsidiary of Security Benefit
Group, Inc., is principal  underwriter of the Fund and other funds for which the
New Investment Manager serves as investment manager.
    

     The  affiliations  of various  officers and  directors of the Fund with MFR
Advisors, Inc., the New Investment Manager, and Security Distributors,  Inc. are
listed in the following table:

- --------------------------------------------------------------------------------
                                                              POSITION WITH
                   POSITION WITH     POSITION WITH            SECURITY
NAME(1)            THE FUND          MFR ADVISORS, INC.       DISTRIBUTORS, INC.
- --------------------------------------------------------------------------------

James R. Schmank   Vice President         None                Vice President
                   and Treasurer                              and Director

John D. Cleland    President and          None                Vice President
                   Director                                   and Director

Mark E. Young      Vice President         None                Vice President

Amy J. Lee         Secretary              None                Secretary

Brenda M. Harwood  Assistant Secretary    None                Treasurer
                   and Assistant
                   Treasurer
- --------------------------------------------------------------------------------

(1) It is  anticipated  that Maria  Fiorini  Ramirez  and Bruce  Jensen  will be
appointed as directors of Security Income Fund in the future.  The  affiliations
of such  persons  with MFR are set  forth on page 8 and  neither  will  hold any
position with Security Distributors, Inc.

     For the fiscal year ended  December 31,  1996,  the Fund paid $219 in sales
commissions to Security Distributors, Inc.

                                       10
<PAGE>

                              PORTFOLIO BROKERAGE

     Transactions  in portfolio  securities  shall be effected in such manner as
deemed to be in the best interest of the 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 New  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 Fund does not anticipate that it will incur a significant amount
of brokerage  commissions on  transactions  in fixed income  securities  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
Fund 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 Fund  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 New  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 New 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 New Investment Manager with respect to all accounts as to which it exercises
investment discretion.  The New 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 Fund.

     In addition,  brokerage  transactions may be placed with broker/dealers who
sell shares of the Funds  managed by the New  Investment  Manager who may or may
not  also  provide  investment   information  and  research  services.  The  New
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 Fund may also be held by other  investment  advisory
clients of the New Investment  Manager,  including other  investment  companies.
When  selecting  securities  for purchase or sale for a Fund, the New 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 New  Investment  Manager's
obligation  to seek best  execution,  such  purchases  or sales may be  executed
simultaneously or "bunched." It is the policy of the New Investment  Manager not
to favor one  account  over the other.  Any  purchase  or sale  orders  executed
simultaneously  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

                                       11
<PAGE>

involved in the Fund's transaction,  it is believed that the procedure generally
contributes to better overall  execution of the Fund's  portfolio  transactions.
The Board of Directors 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  New  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 New  Investment
Manager  in an  IPO.  No  brokerage  commissions  were  paid  by the  Fund to an
affiliated broker for the year ended December 31, 1996.

                SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS

     The following  chart lists those  shareholders  which  beneficially  own in
excess of 5% of the outstanding common stock of the Fund.

- --------------------------------------------------------------------------------
                                       NUMBER OF SHARES
                                       BENEFICIALLY OWNED         PERCENTAGE
                                       DIRECTLY OR INDIRECTLY         OF
NAME AND ADDRESS                       AS OF FEBRUARY 28, 1997      CLASS
- --------------------------------------------------------------------------------
                                      CLASS A        CLASS B    CLASS A CLASS B

Smith Richardson Foundation, Inc.(1)  163,045.736   None         46.85%    0%
c/o Lexington Management Corporation
P.O. Box 1515
Saddle Brook, New Jersey 07668

Security Benefit Group, Inc.          144,469.254   142,020.064  41.51%  95.86%
700 SW Harrison St.
Topeka, Kansas 66636-0001

(1)  The Smith Richardson Foundation, Inc. is a private foundation whose current
     grant policy  focuses on the areas of  international  and  domestic  public
     policy and children and families at risk.
- --------------------------------------------------------------------------------

     On February 28, 1997, the Fund's "named executive  officers" and directors,
individually and as a group, beneficially owned no shares of the Fund.

                                       12
<PAGE>

                             STOCKHOLDER PROPOSALS

     Unless  otherwise  required  under  the  Investment  Company  Act of  1940,
ordinarily  it will not be  necessary  for the Fund to hold  annual  Meetings of
stockholders.  Stockholder proposals must be received at least 120 days prior to
the next Meeting of stockholders, whenever held.

                                 OTHER MATTERS

     The audited financial statements of the Fund are found in the Annual Report
for the fiscal year ended December 31, 1996, which was mailed to stockholders on
or about March 6, 1997.

     The Board of  Directors  of the Fund is not aware of any other  matters  to
come before the special  Meeting of  stockholders  or any  adjournments  thereof
other than those specified  herein.  If any other matters should come before the
Meeting,  it is  intended  that the  persons  named as proxies  in the  enclosed
form(s) of proxy, or their  substitutes,  will vote the proxy in accordance with
their best judgment on such matters.

                     By order of the Board of Directors of Security Income Fund,
                                                                      AMY J. LEE
                                                                       Secretary

                                       13
<PAGE>

                                                                       EXHIBIT A

                          INVESTMENT ADVISORY CONTRACT

THIS  AGREEMENT,  made this  _______ day of  __________________,  1997,  between
SECURITY INCOME FUND, a Kansas corporation (the "Fund"), and MFR Advisors, Inc.,
a New York corporation (the "Adviser"),

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 in separate  Series,  with each
such Series  representing  interests in a separate  portfolio of securities  and
other assets; and

WHEREAS,  the Fund  desires to retain the Adviser to render  certain  investment
advisory services hereunder and with respect to Global Aggressive Bond Series of
the Fund (the "Series") 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  ADVISER.  The Fund  hereby  employs  the  Adviser to act as
     investment adviser to the 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 Adviser 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  Adviser to render  investment  advisory  services
     hereunder,  it shall  notify the  Adviser  in  writing.  If the  Adviser 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 Adviser in accordance  with
     applicable law.

2.   INVESTMENT  ADVISORY DUTIES. The Adviser shall regularly provide the Series
     of the Fund with investment research, advice and supervision,  continuously
     furnish an  investment  program  and  recommend  what  securities  shall be
     purchased  and sold and what  portion of the assets of the 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 the Series. All investment advice furnished by the Adviser
     to the  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 Adviser 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.

                                       14
<PAGE>

3.   PORTFOLIO TRANSACTIONS AND BROKERAGE.

     (a)  Transactions in portfolio securities shall be effected by the Adviser,
          through brokers or otherwise,  in the manner permitted in this Section
          3 and in such  manner  as the  Adviser  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 Adviser 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 Adviser is  authorized  to direct the  execution  of
          portfolio  transactions for the Fund to brokers who furnish investment
          information or research service to the Adviser.  Such allocation shall
          be in such amounts and  proportions as the Adviser may  determine.  If
          the  transaction  is  directed  to a broker  providing  brokerage  and
          research  services  to the  Adviser,  the  commission  paid  for  such
          transaction  may be in excess of the  commission  another broker would
          have charged for effecting that transaction, if the Adviser 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 Adviser  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 Adviser 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
          Adviser,  better price or execution  can be obtained in utilizing  the
          services of a broker.

4.   ALLOCATION OF EXPENSES AND CHARGES.  The Adviser  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.

     Other  than as  specifically  indicated  in the  preceding  sentences,  the
     Adviser  shall not be  required  to pay any  expenses  of the Fund,  and in
     particular,  but without  limiting the  generality  of the  foregoing,  the
     Adviser   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

                                       15
<PAGE>

     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   of   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 ADVISER.

     (a)  As compensation  for the services  rendered by the Adviser as provided
          herein,  for each of the  Fund's  fiscal  years this  Agreement  is in
          effect,  the Fund  shall pay the  Adviser  an annual  fee equal to .75
          percent of the average  daily  closing  value of the net assets of the
          Series  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 in  which a fee is owed  for any  Series,  then the
          Adviser's  compensation  for  said  year  shall be  prorated  for such
          portion.  For  purposes of this Section 5, the value of the net assets
          of the Series  shall be  computed  in the same  manner as the value of
          such net assets is computed in connection  with the  determination  of
          the net  asset  value of the  shares of the Fund as  described  in the
          Fund's  Prospectus  and Statement of Additional  Information.  The net
          asset value of the Series  shall be included in and comprise a part of
          the net  assets  of the  Fund for  purposes  of said  fee  under  this
          Section.

   
     (b)  For each of the Fund's full  fiscal  years this  Agreement  remains in
          force,  the Adviser  agrees that if the total  annual  expenses of the
          Series of the Fund,  exclusive of interest and taxes and extraordinary
          expenses (such as litigation),  and  distribution  fees paid under the
          Fund's Class B  Distribution  Plan,  but  inclusive  of the  Adviser'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 Adviser will  contribute to the 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 the Series
          shall not be deemed to be expenses with the meaning of this  paragraph
          (b).
    

6.   ADVISER NOT TO RECEIVE COMMISSIONS. In connection with the purchase or sale
     of portfolio  securities  for the account of the Fund,  neither the Adviser
     nor any  officer or  director  of the  Adviser  shall act as  principal  or
     receive  any  compensation  from the Fund  other than its  compensation  as
     provided for in Section 5 above. If the Adviser, 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 Adviser 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 Adviser.

                                       16
<PAGE>

7.   LIMITATION  OF LIABILITY OF ADVISER.  So long as the Adviser shall give the
     Fund the  benefit of its best  judgment  and effort in  rendering  services
     hereunder,  the  Adviser  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 Adviser 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,  "Adviser"  shall  include
     directors,  officers  and  employees  of  the  Adviser,  as  well  as  that
     corporation itself.

8.   OTHER  ACTIVITIES NOT  RESTRICTED.  Nothing in this Agreement shall prevent
     the Adviser 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 Adviser 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 Adviser  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 Adviser acts as investment adviser to other investment  companies,
     and it expressly consents to the Adviser acting as such; provided, however,
     that if in the opinion of the Adviser, particular securities are consistent
     with the investment objectives of, and are desirable purchases or sales for
     the  portfolios  of the  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 May 1, 1997,  provided that on that date it is approved by the
     holders of a majority of the outstanding  voting  securities of the Series.
     This  Agreement  shall  continue  in  force  until  May 1,  1998,  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 a majority of the outstanding shares of any other series.  Upon
     this Agreement becoming effective,  any previous agreement between the Fund
     and the Adviser 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 the Series,  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 Adviser, 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).

                                       17
<PAGE>

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
                                         ---------------------------------
                                                     President

ATTEST:

- ----------------------------------------------
                Secretary

                                       MFR Advisors, Inc.

                                       By
                                         ---------------------------------
                                                     President

ATTEST:

- ----------------------------------------------
                Secretary

                                       18
<PAGE>

                                                                       EXHIBIT B

                             SUB-ADVISORY AGREEMENT

THIS AGREEMENT is made this ___ day of ______ 1997, by and between MFR ADVISORS,
INC.,  a  New  York  Corporation  (the  "Adviser"),   and  LEXINGTON  MANAGEMENT
CORPORATION, a Delaware corporation (the "Sub-adviser"),

WITNESSETH:

WHEREAS,  the Adviser is a registered  investment  adviser under the  Investment
Advisers  Act of 1940,  as amended,  and engages in the business of acting as an
investment adviser;

WHEREAS,  the  Adviser  is the  investment  adviser  for  certain  series of the
Security Income Fund (the "Fund"),  and provides investment advisory services to
the  Fund on the  terms  and  conditions  set  forth in an  investment  advisory
contract;

WHEREAS, the Fund is registered as a diversified, open-end management investment
company under the Investment Company Act of 1940, as amended,  (the "1940 Act"),
and the rules and regulations promulgated thereunder;

WHEREAS,  the Fund is authorized to issue shares in separate  series,  with each
such series  representing  interests in a separate  portfolio of securities  and
other assets; and

WHEREAS, the Adviser desires to retain the Sub-adviser as the Adviser's agent to
furnish certain  advisory  services to the Global  Aggressive Bond Series of the
Fund (the "Series"), on the terms and conditions hereinafter set forth.

NOW THEREFORE,  in  consideration  of the mutual  covenants herein contained and
other  good  and  valuable  consideration,   the  receipt  of  which  is  hereby
acknowledged, the parties hereto agree as follows:

1.   APPOINTMENT.  The Adviser hereby  appoints  Sub-Adviser to provide  certain
     sub-investment  advisory  services  to the Series for the period and on the
     terms set forth in this Agreement. Sub-adviser accepts such appointment and
     agrees to furnish the services herein set forth for the compensation herein
     provided.

2.   INVESTMENT ADVICE. The Sub-adviser shall furnish the Series with investment
     research and advice  consistent  with the investment  policies set forth in
     the Prospectus and Statement of Additional Information of the Fund, subject
     at all times to the  policies  and control of the Fund's Board of Directors
     and the supervision of the Adviser. In addition,  the Sub-adviser may avail
     itself of any investment  research or advice  provided by the Adviser.  The
     Sub-adviser shall give the Series the benefit of its best judgment, efforts
     and facilities in rendering its services as Sub-adviser.

3.   INVESTMENT  ANALYSIS AND  IMPLEMENTATION.  In carrying  out its  obligation
     under paragraph 2 hereof, the Sub-adviser shall:

     (a)  consult with Adviser concerning which issuers and securities should be
          represented in the Series'  portfolio and regularly  report thereon to
          the Fund's Board of Directors and the Adviser;

     (b)  formulate and implement  continuing programs for the purchase and sale
          of the securities of such issuers and regularly  report thereon to the
          Fund's Board of Directors and the Adviser;

                                       19
<PAGE>

     (c)  continuously  review the Series' security  holdings and the investment
          program and the investment policies of the Series; and

     (d)  take, on behalf of the Series,  all actions which appear  necessary to
          carry into effect  such  purchase  and sale  programs,  including  the
          placement of orders for the purchase  and sale of  securities  for the
          Series.

4.   BROKER-DEALER  RELATIONSHIPS.  The Sub-adviser is responsible for decisions
     to buy and sell  securities for the Series,  broker/dealer  selection,  and
     negotiation  of  brokerage  commission  rates.  The  Sub-adviser's  primary
     consideration in effecting a security  transaction will be execution at the
     most  favorable  price.  In  selecting  a  broker/dealer  to  execute  each
     particular  transaction,  the  Sub-adviser  will  take the  following  into
     consideration: the best net price available; the reliability, integrity and
     financial  condition of the  broker/dealer;  the size of and  difficulty in
     executing  the order;  and the value of the  expected  contribution  of the
     broker/dealer  to the investment  performance of the Series on a continuing
     basis. Accordingly,  the price to the Series in any transaction may be less
     favorable than that available from another  broker/dealer if the difference
     is  reasonably  justified  by  other  aspects  of the  portfolio  execution
     services  offered.  Subject to such  policies as the Board of Directors may
     determine,  the Sub-adviser shall not be deemed to have acted unlawfully or
     to have breached any duty created by this Agreement or otherwise  solely by
     reason of its having  caused the  Series to pay a broker  for  effecting  a
     portfolio  investment  transaction  in excess of the  amount of  commission
     another broker or dealer would have charged for effecting that  transaction
     if the Sub-adviser  determines in good faith that such amount of commission
     was  reasonable  in relation  to the value of the  brokerage  and  research
     services provided by such broker or dealer,  viewed in terms of either that
     particular  transaction or the Sub-adviser's overall  responsibilities with
     respect  to the Series  and to its other  clients as to which it  exercises
     investment  discretion.  The  Sub-adviser  is further  authorized  to place
     and/or to effect  orders  with such  brokers  and  dealers  who may provide
     research or statistical  material or other services to the Series or to the
     Sub-adviser.  Such  allocation  shall be in such amounts and proportions as
     the Sub-adviser  shall  determine and the  Sub-adviser  will report on said
     allocations regularly to the Board of Directors of the Fund and the Adviser
     indicating  the  brokers  to whom such  allocations  have been made and the
     basis therefor.

5.   CONTROL BY BOARD OF DIRECTORS.  Any  investment  program  undertaken by the
     Sub-adviser  pursuant to this  Agreement,  as well as any other  activities
     undertaken by the  Sub-adviser  on behalf of the Series  pursuant  thereto,
     shall at all times be subject to any  directives  of the Board of Directors
     of the Fund.

6.   COMPLIANCE  WITH APPLICABLE  REQUIREMENTS.  In carrying out its obligations
     under this Agreement, the Sub-adviser shall ensure that the Series complies
     with:

     (a)  all applicable provisions of the 1940 Act;

     (b)  the provisions of the Registration  Statement of the Fund, as amended,
          under the Securities Act of 1933 and the 1940 Act;

     (c)  all  applicable  statutes  and  regulations  necessary  to qualify the
          Series as a Regulated  Investment  Company  under  Subchapter M of the
          Internal  Revenue Code (or any  successor or similar  provision),  and
          shall notify the Adviser  immediately  upon having a reasonable  basis
          for  believing  that the  Series  has  ceased to so qualify or that it
          might not so qualify in the future;

     (d)  the provisions of the Fund's Articles of Incorporation, as amended;

     (e)  the provisions of the Bylaws of the Fund, as amended; and

     (f)  any other applicable provisions of state and federal law.

7.   RECORDS.  The Sub-adviser hereby agrees to maintain all records relating to
     its activities and  obligations  under this Agreement which are required to
     be  maintained by Rule 31a-1 under the 1940 Act and agrees to preserve such
     records  for the  periods  prescribed  by Rule  31a-2  under  the Act.  The
     Sub-adviser 

                                       20
<PAGE>

     further  agrees  that all such  records  are the  property  of the Fund and
     agrees to  surrender  promptly to the Fund any such records upon the Fund's
     request.

8.   EXPENSES.  The  expenses  connected  with  the  Fund  shall be borne by the
     Sub-adviser as follows: 

     (a)  The Sub-adviser shall maintain, at its expense and without cost to the
          Adviser or the  Series,  a trading  function in order to carry out its
          obligations  under  subparagraph  (d) of  paragraph  3 hereof to place
          orders  for the  purchase  and sale of  portfolio  securities  for the
          Series.

     (b)  The  Sub-adviser  shall pay any expenses  associated with carrying out
          its obligation under subparagraph (b) of paragraph 2 hereof to prepare
          reports  for the Fund's  Board of  Directors  concerning  issuers  and
          securities  represented  in the Series'  portfolio and the expenses of
          any travel by employees of the  Sub-adviser  in  connection  with such
          reports to the Fund's Board of Directors.

     (c)  The  Sub-adviser   shall  pay  any  expenses  that  it  may  incur  in
          communicating  with the  Adviser in  connection  with its  obligations
          under this  Agreement,  including  the  expenses of  telephone  calls,
          special mail services and telecopier charges.

9.   DELEGATION  OF  RESPONSIBILITIES.  Upon request of the Adviser and with the
     approval of the Fund's  Board of  Directors,  the  Sub-adviser  may perform
     services on behalf of the Fund which are not  required  by this  Agreement.
     Such  services   will  be  performed  on  behalf  of  the  Fund,   and  the
     Sub-adviser's  cost in rendering such services may be billed monthly to the
     Adviser,  subject to examination by the Adviser's independent  accountants.
     Payment or  assumption  by the  Sub-adviser  of any Fund  expense  that the
     Sub-adviser is not required to pay or assume under this Agreement shall not
     relieve the Adviser or the  Sub-adviser of any of their  obligations to the
     Fund or obligate the  Sub-adviser to pay or assume any similar Fund expense
     on any subsequent occasions.

10.  DELEGATION OF DUTIES.  The Sub-adviser  may, at its  discretion,  delegate,
     assign or  subcontract  any of the duties,  responsibilities  and  services
     governed  by this  agreement  to a third  party,  whether  or not by formal
     written  agreement,  provided that such  arrangement with a third party has
     been approved by the Board of Directors of the Fund. The Sub-adviser shall,
     however,  retain  ultimate  responsibility  to the Fund and shall implement
     such  reasonable  procedures  as may be  necessary  for  assuring  that any
     duties,   responsibilities  or  services  so  assigned,   subcontracted  or
     delegated are performed in conformity with the terms and conditions of this
     agreement.

11.  COMPENSATION.  For the services to be rendered and the facilities furnished
     hereunder, the Adviser shall pay the Sub-adviser an annual fee equal to .20
     percent of the average daily closing value of the net assets of the Series,
     computed on a daily basis.  Such fee shall be computed and payable monthly.
     If this Agreement shall be effective for only a portion of a year, then the
     Sub-adviser's  compensation  for  said  year  shall  be  prorated  for such
     portion.  For purposes of this paragraph 11, the value of the net assets of
     the 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 Series' shares as described in
     the Fund's prospectus and statement of additional  information.  Payment of
     the  Sub-adviser's  compensation  for the preceding  month shall be made as
     promptly as possible after the end of each month.

12.  NON-EXCLUSIVITY.  The services of the Sub-adviser to the Adviser are not to
     be  deemed to be  exclusive,  and the  Sub-adviser  shall be free to render
     investment advisory or other services to others (including other investment
     companies) and to engage in other activities, so long as its services under
     this Agreement are not impaired thereby.

                                       21
<PAGE>

13.  TERM. This Agreement shall become effective at the close of business on the
     date first shown  above.  It shall  remain in force and effect,  subject to
     paragraph 14 hereof for one year from the date hereof.

14.  RENEWAL.  Following the expiration of its initial year term, this Agreement
     shall  continue in force and effect from year to year,  provided  that such
     continuance is specifically approved at least annually:

     (a)  (i) by the Fund's Board of Directors or (ii) by the vote of a majority
          of the Series'  outstanding  voting  securities (as defined in Section
          2(a)(42) of the 1940 Act), and

     (b)  by the  affirmative  vote of a majority of the  directors  who are not
          parties to this  Agreement  or  interested  persons of a party to this
          Agreement  (other  than as a director  of the Fund),  by votes cast in
          person at a Meeting specifically called for such purpose.

15.  TERMINATION.  This  Agreement may be  terminated  at any time,  without the
     payment of any penalty, by vote of the Fund's Board of Directors or by vote
     of a majority of the Series'  outstanding  voting securities (as defined in
     Section  2(a)(42) of the 1940 Act), or by the Adviser or by the Sub-adviser
     on sixty (60) days' written notice to the other party. This Agreement shall
     automatically  terminate in the event of its  "assignment"  as that term is
     defined  in  Section   2(a)(4)  of  the  1940  Act.  This  Agreement  shall
     automatically  terminate in the event that the investment advisory contract
     between the Adviser and the Fund is terminated, assigned or not renewed.

16.  LIABILITY OF THE SUB-ADVISER.  In the absence of willful  misfeasance,  bad
     faith or gross  negligence on the part of the  Sub-adviser or its officers,
     directors or employees,  or reckless  disregard by the  Sub-adviser  of its
     duties under this  Agreement,  the  Sub-adviser  shall not be liable to the
     Adviser, the Fund or to any shareholder of the Fund for any act or omission
     in the course of, or connected with,  rendering  services  hereunder or for
     any losses that may be  sustained in the  purchase,  holding or sale of any
     security, provided the Sub-adviser has acted in good faith.

17.  INDEMNIFICATION.  The Adviser and the  Sub-adviser  each agree to indemnify
     the other  against any claim  against,  loss,  or liability  to, such other
     party (including  reasonable  attorney's fees) arising out of any action on
     the part of the indemnifying party which constitutes  willful  misfeasance,
     bad faith or gross negligence.

   
18.  NOTICES.  Any notices under this Agreement  shall be in writing,  addressed
     and delivered or mailed  postage-paid to the other party at such address as
     such  other  party may  designate  for the  receipt of such  notice.  Until
     further  notice to the other  party,  it is agreed  that the address of the
     Sub-adviser  for this  purpose  shall be Park 80 West,  Plaza  Two,  Saddle
     Brook,  New Jersey  07663,  and the address of the Adviser for this purpose
     shall be One Liberty Plaza, New York, New York 10006.
    

                                       22
<PAGE>

IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed
in  duplicate  by their  respective  officers  on the day and year  first  above
written.

ATTEST:                                 MFR ADVISORS, INC.

                                        By:
- ----------------------------------         -------------------------------------
Title:                                           Senior Vice President

ATTEST:                                 LEXINGTON MANAGEMENT CORPORATION

                                        By:
- ----------------------------------         -------------------------------------
Title:

                                       23
<PAGE>

                                   PROXY CARD

This proxy, when properly executed,  will be voted in the manner directed by the
undersigned  stockholder.  IF NO SPECIFICATION IS MADE, THIS PROXY WILL BE VOTED
IN FAVOR OF PROPOSAL NOS. 1 AND 2.

    THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS OF THE FUNDS.

The  undersigned,  revoking  all previous  proxies for his or her stock,  hereby
acknowledges  receipt of the Notice of Meeting and Proxy  Statement  dated March
24,  1997,  and appoints  John D.  Cleland,  Donald A. Chubb,  Jr. and Donald L.
Hardesty,  and each of them as Proxies, with power of substitution,  to vote all
stock of  Security  Income  Fund -  Global  Aggressive  Bond  Series  which  the
undersigned is entitled to vote at the Fund's Special Meeting of Stockholders to
be held at 700 SW Harrison Street, Topeka, Kansas, on Monday, April 28, 1997, at
9:30 a.m., including any adjournments  thereof,  upon such other business as may
be properly brought before the meeting and  specifically  upon the proposals set
out on the following page.

          ------------------------------------------------------
          IMPORTANT:   Stockholders   are  requested  to  mark,
          date,  sign and return the attached Proxy Card to the
          Fund  in  the  postage-paid   envelope  as  early  as
          possible  to  save  the  expense  of a  second  proxy
          mailing.
          ------------------------------------------------------


                           KEEP THIS FOR YOUR RECORDS

<PAGE>

Account No.

To vote, mark an X in blue or black ink below.

                                VOTE ON PROPOSALS

 FOR   AGAINST   ABSTAIN    1.  APPROVE A NEW INVESTMENT ADVISORY CONTRACT
 |_|     |_|       |_|          WHICH REPLACES SECURITY MANAGEMENT COMPANY, LLC
                                AS INVESTMENT MANAGER TO THE FUND WITH
                                MFR ADVISORS, INC.

 FOR   AGAINST   ABSTAIN    2.  APPROVE A NEW SUB-ADVISORY CONTRACT BETWEEN
 |_|     |_|       |_|          THE PROSPECTIVE INVESTMENTADVISER,
                                MFR ADVISORS, INC. AND LEXINGTON
                                MANAGEMENT CORPORATION

- ----------------------  -------------------------------  -----------------------
Signature               Signature (Joint Owners)         Date

PLEASE DATE AND SIGN NAME OR NAMES AS PRINTED  ABOVE TO AUTHORIZE  THE VOTING OF
YOUR SHARES AS INDICATED  ABOVE.  WHERE SHARES ARE REGISTERED WITH JOINT OWNERS,
ALL JOINT OWNERS  SHOULD SIGN.  PERSONS  SIGNING AS AN EXECUTOR,  ADMINISTRATOR,
TRUSTEE OR OTHER REPRESENTATIVE SHOULD GIVE FULL TITLE AS SUCH.

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