GLENBROOK LIFE & ANNUITY CO
424B3, 1999-05-28
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                   THE AIM LIFETIME PLUS(sm) VARIABLE ANNUITY



Glenbrook Life and Annuity Company                  Prospectus dated May 1, 1999
P.O. Box 94039, Palatine, IL 60094-4039
Telephone Number: 1-800-776-6978


Glenbrook Life and Annuity  Company  ("Glenbrook")  is offering the AIM Lifetime
Plus(sm)  Variable  Annuity,  an individual and group flexible  premium deferred
variable annuity contract  ("Contract").  This prospectus  contains  information
about the  Contract  that you should know before  investing.  Please keep it for
future reference.

The  Contract   currently   offers  14  investment   alternatives   ("investment
alternatives").  The  investment  alternatives  include a fixed  account  option
("Fixed Account") and 13 variable sub-accounts ("Variable  Sub-Accounts") of the
Glenbrook Life and Annuity Company Separate Account A ("Variable Account"). Each
Variable Sub-Account invests exclusively in shares of one of the following funds
("Funds") of AIM Variable Insurance Funds, Inc.:

   AIM V.I. Aggressive Growth Fund           AIM V.I. Government Securities Fund
   AIM V.I. Balanced Fund                    AIM V.I. Growth Fund
   AIM V.I. Capital Appreciation Fund        AIM V.I. Growth and Income Fund
   AIM V.I. Capital Development Fund         AIM V.I. High Yield Fund
   AIM V.I. Diversified Income Fund          AIM V.I. International Equity Fund
   AIM V.I. Global Utilities Fund            AIM V.I. Money Market Fund
                             AIM V.I. Value Fund

We (Glenbrook)  have filed a Statement of Additional  Information,  dated May 1,
1999,  with the Securities  and Exchange  Commission  ("SEC").  It contains more
information  about the Contract and is incorporated  herein by reference,  which
means it is legally a part of this prospectus.  Its table of contents appears on
page C-1 of this  prospectus.  For a free copy,  please  write or call us at the
address   or   telephone   number   above,   or  go  to  the   SEC's   Web  site
(http://www.sec.gov).  You can find other  information  and documents  about us,
including  documents that are legally part of this prospectus,  at the SEC's Web
site.




                 The  Securities  and  Exchange  Commission  has not approved or
                 disapproved the securities  described in this  prospectus,  nor
                 has  it  passed  on  the  accuracy  or  the  adequacy  of  this
                 prospectus. Anyone who tells you otherwise is committing a
                 federal crime.
   IMPORTANT
    NOTICES      The Contracts may be distributed  through  broker-dealers  that
                 have relationships  with banks or other financial  institutions
                 or by employees of such banks.  However,  the Contracts are not
                 deposits, or obligations of, or guaranteed by such institutions
                 or any federal regulatory  agency.  Investment in the Contracts
                 involves   investment   risks,   including   possible  loss  of
                 principal.

                 The Contracts are not FDIC insured.


<PAGE>





TABLE OF CONTENTS

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




                                                                           Page

                 Important Terms...........................................  3
Overview         The Contract At A Glance..................................  4
                 How the Contract Works....................................  6
                 Expense Table.............................................  7
                 Financial Information..................................... 10



                 The Contract.............................................. 11
                 Purchases................................................. 13
                 Contract Value............................................ 14
                 Investment Alternatives................................... 15
                          The Variable Sub-Accounts........................ 15
                          The Fixed Account................................ 16
                          Transfers........................................ 19
Contract         Expenses.................................................. 21
                 Access To Your Money...................................... 24
                 Income Payments........................................... 26
                 Death Benefits............................................ 29



                 More Information:......................................... 31
                          Glenbrook........................................ 31
                          The Variable Account............................. 31
                          The Funds........................................ 32
Other                     The Contract .................................... 32
Information               Qualified Plans ................................. 33
                          Legal Matters.................................... 33
                          Year 2000........................................ 34
                 Taxes..................................................... 35
                 Annual Reports and Other Documents........................ 38
                 Performance Information................................... 39
                 Experts................................................... 39
                 Appendix A-Accumulation Unit Values....................... A-1
                 Appendix B-Market Value Adjustment ....................... B-1
                 Statement of  Additional Information Table of Contents.... C-1



<PAGE>


IMPORTANT TERMS

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



This  prospectus  uses a number of important  terms that you may not be familiar
with.  The index below  identifies  the page that describes each term. The first
use of each term in this prospectus appears in highlights.

                                                                          Page

      Accumulation Phase................................................    6
      Accumulation Unit ................................................ 10,14
      Accumulation Unit Value .......................................... 10,14
      Anniversary Value.................................................   29
      Annuitant.........................................................   11
      Automatic Fund Rebalancing Program................................  5,20
      Automatic Additions Program.......................................   13
      Beneficiary ......................................................  6,11
      Cancellation Period ..............................................    4
      *Contract ........................................................  1,11
      Contract Anniversary..............................................    5
      Contract Owner ("You") ...........................................   11
      Contract Value ...................................................   14
      Contract  Year....................................................    5
      Death Benefit Anniversary ........................................   29
      Dollar Cost Averaging Program.....................................   20
      Due Proof of Death................................................   29
      Enhanced Death Benefit Options....................................   29
      Fixed Account.....................................................  1,16
      Free Withdrawal Amount............................................   22
      Funds.............................................................  1,32
      Glenbrook ("We")..................................................  1,31
      Guarantee Periods.................................................   16
      Income Plan ......................................................   26
      Investment Alternatives ..........................................  1,19
      Issue Date .......................................................    6
      Market Value Adjustment ..........................................   18
      Payout Phase......................................................    6
      Payout Start Date  ...............................................  6,26
      Qualified Contracts ..............................................    4
      Right to Cancel ..................................................  4,13
      SEC...............................................................    1
      Settlement Value..................................................   29
      Systematic Withdrawal Program ....................................   24
      Treasury Rate ....................................................   18
      Valuation Date....................................................   13
      Variable Account .................................................  1,31
      Variable Sub-Account .............................................    1


      * In certain states the Contract is available only as a group Contract. In
        these  states,  we will issue you a  certificate  that  represents  your
        ownership and that  summarizes  the  provisions  of the group  Contract.
        References to "Contract" in this prospectus include certificates, unless
        the context requires otherwise.


<PAGE>


THE CONTRACT AT A GLANCE

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

The following is a snapshot of the  Contract.  Please read the remainder of this
prospectus for more information.


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

    Flexible Payments
                         You can  purchase a  Contract  with as little as $5,000
                         ($2,000 for "Qualified  Contracts," which are Contracts
                         issued  with  qualified  plans).  You  can  add to your
                         Contract  as often  and as much as you  like,  but each
                         payment  must be at  least  $500  ($100  for  automatic
                         purchase payments to the variable investment  options).
                         You must maintain a minimum account size of $2,000.


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

    Right to Cancel      You may cancel your  Contract  within 20 days of
                         receipt  or any  longer  period  as your  state may
                         require ("Cancellation Period"). Upon cancellation,  we
                         will return your  purchase  payments  adjusted,  to the
                         extent  state law  permits,  to reflect the  investment
                         experience  of any amounts  allocated  to the  Variable
                         Account.


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

    Expenses             You will bear the following expenses:

                         o     Total Variable Account annual fees equal to
                               1.45% of average daily net assets
                         o     Annual contract maintenance charge of $35 (with
                               certain exceptions)
                         o     Withdrawal charges ranging from 0% to 6% of
                               payments withdrawn (with certain exceptions)
                         o     Transfer fee of $10 after 12th transfer in any
                               Contract Year (fee currently waived)
                         o     State premium tax (if your state imposes one)

                         In addition, each Fund pays expenses that you will bear
                         indirectly if you invest in a Variable Sub-Account.


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

    Investment
    Alternatives         The   Contract   offers  14   investment   alternatives
                         including:

                         o     The Fixed Account (which credits interest at
                               rates we guarantee), and
                         o     13 Variable Sub-Accounts investing in Funds
                               offering professional  money  management  by
                               A I M  Advisors, Inc.

                         To find  out  current  rates  being  paid on the  Fixed
                         Account,  or to find out how the Variable  Sub-Accounts
                         have performed, please call us at
                         1-800-776-6978.


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



<PAGE>



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

    Special Services     For your  convenience,  we offer these special
                         services:

                         o     Automatic Fund Rebalancing Program
                         o     Automatic Additions Program
                         o     Dollar Cost Averaging Program
                         o     Systematic Withdrawal Program



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

    Income Payments      You can choose fixed income payments, variable
                         income  payments,  or a combination of the two. You can
                         receive  your income  payments in one of the  following
                         ways:

                         o     life income with guaranteed payments
                         o     a joint and survivor life income with guaranteed
                               payments
                         o     guaranteed payments for a specified period
                               (5 to 30 years)


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

    Death Benefits       If you die before the Payout  Start  Date,  we will pay
                         the death  benefit  described in the Contract. We  also
                         offer 2 Enhanced Death Benefit Options.


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

    Transfers            Before the Payout  Start Date,  you may  transfer  your
                         Contract value ("Contract  Value") among the investment
                         alternatives,  with certain restrictions.  Transfers to
                         the Fixed Account must
                         be at least $500.

                         We  do  not  currently  impose  a fee  upon  transfers.
                         However,  we  reserve  the  right  to  charge  $10  per
                         transfer  after  the 12th  transfer  in each  "Contract
                         Year,"  which we  measure  from the date we issue  your
                         Contract   or   a   Contract   anniversary   ("Contract
                         Anniversary").


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

    Withdrawals          You may withdraw some or all of your Contract  Value at
                         any time during the Accumulation Phase. In general,
                         you must withdraw at least $50 at a time. A 10%
                         federal tax penalty  may apply if you  withdraw before
                         you are 59 1/2 years old.  A  withdrawal  charge  and
                         Market Value Adjustment also may apply.


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



<PAGE>


HOW THE CONTRACT WORKS

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


     The Contract basically works in two ways.

     First,  the Contract  can help you (we assume you are the  Contract  owner)
save for retirement  because you can invest in up to 14 investment  alternatives
and pay no federal  income taxes on any earnings until you withdraw them. You do
this  during  what  we  call  the  "Accumulation  Phase"  of the  Contract.  The
Accumulation  Phase begins on the date we issue your Contract (we call that date
the "Issue Date") and continues  until the Payout Start Date,  which is the date
we apply your money to provide income payments.  During the Accumulation  Phase,
you may  allocate  your  purchase  payments to any  combination  of the Variable
Sub-Accounts and/or the Fixed Account.  If you invest in the Fixed Account,  you
will earn a fixed rate of interest that we declare  periodically.  If you invest
in any of the Variable Sub-Accounts, your investment return will vary up or down
depending on the performance of the corresponding Funds.

     Second,  the Contract can help you plan for retirement  because you can use
it to receive  retirement  income for life and/or for a pre-set number of years,
by selecting one of the income  payment  options (we call these "Income  Plans")
described  on page 26.  You  receive  income  payments  during  what we call the
"Payout  Phase" of the  Contract,  which  begins on the  Payout  Start  Date and
continues until we make the last payment required by the Income Plan you select.
During the  Payout  Phase,  if you  select a fixed  income  payment  option,  we
guarantee the amount of your payments,  which will remain fixed. If you select a
variable  income  payment  option,   based  on  one  or  more  of  the  Variable
Sub-Accounts,  the amount of your payments will vary up or down depending on the
performance of the corresponding Funds. The amount of money you accumulate under
your  Contract  during the  Accumulation  Phase and apply to an Income Plan will
determine the amount of your income payments during the Payout Phase.

     The timeline below illustrates how you might use your Contract.


<TABLE>
<CAPTION>
Effective                               Payout Start
  Date          Accumulation Phase          Date            Payout Phase
- --------------------------------------------------------------------------------------------------
              You save for retirement
   |                                          |                          |          >?

<S>                                     <C>                           <C>            <C>
You buy                                 You elect to receive          You can        Or you can
a Contract                              income payments or            receive        receive
                                        receive a lump sum            income         income
                                        payment                       payments       payments for
                                                                      for a set      life
                                                                      period
</TABLE>



     As the  Contract  owner,  you  exercise  all of the rights  and  privileges
provided by the Contract.  If you die, any surviving Contract owner or, if none,
the  Beneficiary  will  exercise  the  rights  and  privileges  provided  by the
Contract.  See "The  Contract." In addition,  if you die before the Payout Start
Date, we will pay a death benefit to any surviving  Contract owner, or, if there
is none, your Beneficiary. See "Death Benefits."

     Please call us at  1-800-776-6978  if you have any  questions about how the
Contract works.




<PAGE>


EXPENSE TABLE

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


The table below lists the  expenses  that you will bear  directly or  indirectly
when you buy a Contract.  The table and the examples  that follow do not reflect
premium  taxes  that may be  imposed  by the state  where you  reside.  For more
information  about Variable Account  expenses,  see "Expenses,"  below. For more
information about Fund expenses, please refer to the accompanying prospectus for
the Funds.


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

      CONTRACT OWNER TRANSACTION EXPENSES

      Withdrawal Charge (as a percentage of purchase payments)*

      Number of Complete Years
      Since We Received the Purchase
      Payment Being Withdrawn:      0     1     2     3     4     5     6
      7+

      Applicable Charge:            6%    6%    5%    5%    4%    4%    3%
      0%

      Annual Contract Maintenance Charge.........................$35.00**
      Transfer Fee...............................................$10.00***

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

      * Each  Contract  Year,  you  may  withdraw  up to 10% of  your  aggregate
      purchase  payments without incurring a withdrawal charge or a Market Value
      Adjustment.

      ** We will waive this charge in certain cases.  See "Expenses."

      ***Applies solely to the thirteenth and subsequent transfers within a
      Contract Year. We are currently waiving the transfer fee.


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

      VARIABLE ACCOUNT ANNUAL EXPENSES
      (as a percentage of average daily net asset value deducted from each
      Variable Sub-Account)


      Mortality and Expense Risk Charge..........................1.35%
      Administrative Expense Charge..............................0.10%
                                                                 -----
      Total Variable Account Annual Expenses.....................1.45%
      ------------------------------------------------------------------------






<PAGE>


<TABLE>
<CAPTION>

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

      FUND ANNUAL EXPENSES (After Voluntary Reductions and Reimbursements)
      (as a percentage of Fund average daily net assets)(1)

                                                                       Total Annual
                                              Management      Other        Fund
      Fund                                       Fee        Expenses      Expenses
      ----                                    ----------    --------   -------------

      <S>                                       <C>           <C>           <C>
      AIM V.I. Aggressive Growth Fund(1)        0.10%         1.06%         1.16%
      AIM V.I. Balanced Fund(1)                 0.00%         1.18%         1.18%
      AIM V.I. Capital Appreciation Fund        0.62%         0.05%         0.67%
      AIM V.I. Capital Development Fund(1)      0.00%         1.21%         1.21%
      AIM V.I. Diversified Income Fund          0.60%         0.17%         0.77%
      AIM V.I. Global Utilities Fund            0.65%         0.46%         1.11%
      AIM V.I. Government Securities Fund       0.50%         0.26%         0.76%
      AIM V.I. Growth Fund                      0.64%         0.08%         0.72%
      AIM V.I. Growth and Income Fund           0.61%         0.04%         0.65%
      AIM V.I. High Yield Fund(1)               0.00%         1.13%         1.13%
      AIM V.I. International Equity Fund        0.75%         0.16%         0.91%
      AIM V.I. Money Market Fund                0.40%         0.18%         0.58%
      AIM V.I. Value Fund                       0.61%         0.05%         0.66%

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

     (1)  Figures  shown in the table are for the year ended  December 31, 1998.
          Absent  voluntary  reductions  and  reimbursements  for certain Funds,
          management  fees,  other  expenses,  and total  annual  fund  expenses
          expressed  as a  percentage  of average  net assets of the Funds would
          have been as follows:

      AIM V.I. Aggressive Growth Fund           0.80%         3.82%         4.62%
      AIM V.I. Balanced Fund                    0.75%         2.08%         2.83%
      AIM V.I. Capital Development Fund         0.75%         5.05%         5.80%
      AIM V.I. High Yield Fund                  0.63%         1.87%         2.50%


      ---------------------------------------------------------------------------
</TABLE>



<PAGE>


EXAMPLE 1
- ---------

The  example  below  shows the  dollar  amount of  expenses  that you would bear
directly or indirectly if you:

     o    invested $1,000  in a  Variable  Sub-Account,

     o    earned a 5% annual return on your investment, and

     o    surrendered your Contract,  or you began receiving income payments for
          a specified  period of less than 120  months,  at the end of each time
          period.

The example does not include any taxes or tax  penalties  you may be required to
pay if you surrender your Contract.

         SUB-ACCOUNT                    1 YEAR   3 YEARS     5 YEARS   10 YEARS
         -----------                    ------   -------     -------   --------

         AIM V.I. Aggressive Growth       $81       $129       $179      $303
         AIM V.I. Balanced                $82       $130       $180      $305
         AIM V.I. Capital Appreciation    $76       $114       $154      $253
         AIM V.I. Capital Development     $82       $130       $182      $308
         AIM V.I. Diversified Income      $77       $117       $159      $263
         AIM V.I. Global Utilities        $81       $127       $176      $298
         AIM V.I. Government Securities   $77       $117       $158      $262
         AIM V.I. Growth                  $77       $115       $156      $258
         AIM V.I. Growth and Income       $76       $113       $153      $250
         AIM V.I. High Yield              $81       $128       $177      $300
         AIM V.I. International Equity    $79       $121       $166      $277
         AIM V.I. Money Market            $75       $111       $149      $243
         AIM V.I. Value                   $76       $114       $153      $251


EXAMPLE 2
- ---------

Same  assumptions  as Example 1 above,  except that you decided not to surrender
your Contract,  or you began receiving  income payments (for at least 120 months
if under an Income Plan with a specified period), at the end of each period.

         SUB-ACCOUNT                    1 YEAR   3 YEARS     5 YEARS   10 YEARS
         -----------                    ------   -------     -------   --------

         AIM V.I. Aggressive Growth       $27        $84       $143      $303
         AIM V.I. Balanced                $28        $85       $144      $305
         AIM V.I. Capital Appreciation    $22        $69       $118      $263
         AIM V.I. Capital Development     $28        $85       $146      $308
         AIM V.I. Diversified Income      $23        $72       $123      $263
         AIM V.I. Global Utilities        $27        $82       $140      $298
         AIM V.I. Government Securities   $23        $72       $122      $262
         AIM V.I. Growth                  $23        $70       $120      $258
         AIM V.I. Growth and Income       $22        $68       $117      $250
         AIM V.I. High Yield              $27        $83       $141      $300
         AIM V.I. International Equity    $25        $76       $130      $277
         AIM V.I. Money Market            $21        $66       $113      $243
         AIM V.I. Value                   $22        $69       $117      $251

Please  remember  that you are looking at examples and not a  representation  of
past or future expenses. Your actual expenses may be lower or greater than those
shown  above.  Similarly,  your rate of return may be lower or greater  than 5%,
which is not  guaranteed.  To reflect  the  contract  maintenance  charge in the
examples,  we estimated an  equivalent  percentage  charge,  based on an assumed
average Contract size of $57,476.


<PAGE>


FINANCIAL INFORMATION

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



To measure the value of your investment in the Variable  Sub-Accounts during the
Accumulation  Phase, we use a unit of measure we call the  "Accumulation  Unit."
Each Variable  Sub-Account  has a separate value for its  Accumulation  Units we
call "Accumulation Unit Value." Accumulation Unit Value is analogous to, but not
the same as, the share price of a mutual fund.

Attached as Appendix A to this  prospectus are tables  showing the  Accumulation
Unit Values of each Variable Sub-Account since its inception. To obtain a fuller
picture of each Variable  Sub-Account's  finances,  please refer to the Variable
Account's  financial   statements  contained  in  the  Statement  of  Additional
Information.  The financial statements of Glenbrook also appear in the Statement
of Additional Information.



<PAGE>


THE CONTRACT

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



CONTRACT OWNER

The AIM  Lifetime  Plus(sm)  Variable  Annuity is a contract  between  you,  the
Contract owner, and Glenbrook,  a life insurance company. As the Contract owner,
you  may  exercise  all of the  rights  and  privileges  provided  to you by the
Contract.  That  means  it is up to you to  select  or  change  (to  the  extent
permitted):

     o    the investment alternatives during the Accumulation and Payout Phases,
     o    the amount and timing of your purchase payments and withdrawals,
     o    the programs you want to use to invest or withdraw money,
     o    the income payment plan you want to use to receive retirement income,
     o    the  Annuitant  (either  yourself  or someone  else) on whose life the
          income payments will be based,
     o    the  Beneficiary or  Beneficiaries  who will receive the benefits that
          the Contract provides when you die, and
     o    any other rights that the Contract provides.

If you die, any surviving  Contract  owner,  or, if none,  the  Beneficiary  may
exercise the rights and privileges provided by the Contract.

The Contract cannot be jointly owned by both a non-natural  person and a natural
person.

You can use the Contract with or without a qualified plan. A qualified plan is a
personal retirement savings plan, such as an IRA or tax-sheltered  annuity, that
meets the requirements of the Internal  Revenue Code.  Qualified plans may limit
or  modify  your  rights  and  privileges  under the  Contract.  We use the term
"Qualified  Contract" to refer to a Contract  issued with a qualified  plan. See
"Qualified Plans" on page 33.


ANNUITANT

The Annuitant is the individual whose life determines the amount and duration of
income payments  (other than under Income Plans with  guaranteed  payments for a
specified period). You initially designate an Annuitant in your application.  If
the Contract owner is a natural  person,  you may change the Annuitant  prior to
the Payout  Start Date.  In our  discretion  , we may permit you to  designate a
joint Annuitant, who is a second person on whose life income payments depend, on
or after the Payout Start Date.

If the Annuitant dies prior to the Payout Start Date, the new Annuitant will be:

o     the youngest Contract owner, otherwise
o     the youngest Beneficiary.


BENEFICIARY

The  Beneficiary  is the person who may elect to  receive  the death  benefit or
become the new Contract owner if the sole  surviving  Contract owner dies before
the Payout  Start  Date.  If the sole  surviving  Contract  owner dies after the
Payout Start Date, the Beneficiary  will receive any guaranteed  income payments
scheduled to continue.

You may name one or more  Beneficiaries  when you apply for a Contract.  You may
change  or add  Beneficiaries  at any time by  writing  to us,  unless  you have
designated an irrevocable  Beneficiary.  We will provide a change of Beneficiary
form to be signed and filed with us. Any change  will be  effective  at the time
you sign the  written  notice,  whether or not the  Annuitant  is living when we
receive  the  notice.   Until  we  receive  your  written  notice  to  change  a
Beneficiary,  we are entitled to rely on the most recent Beneficiary information
in our files.  We will not be liable as to any payment or settlement  made prior
to  receiving  the  written  notice.  Accordingly,  if you wish to  change  your
Beneficiary, you should deliver your written notice to us promptly.

If you did not name a  Beneficiary  or if the  named  Beneficiary  is no  longer
living and there are no other surviving Beneficiaries,  the new Beneficiary will
be:

     o    your spouse or, if he or she is no longer alive,

     o    your surviving children equally, or if you have no surviving children,

     o    your estate.

If more than one  Beneficiary  survives  you (or the  Annuitant  if the Contract
owner is not a natural  person),  we will  divide the death  benefit  among your
Beneficiaries  according to your most recent written  instructions.  If you have
not  given us  written  instructions,  we will pay the  death  benefit  in equal
amounts to the surviving Beneficiaries.


MODIFICATION OF THE CONTRACT

Only a Glenbrook  officer may approve a change in or waive any  provision of the
Contract.  Any change or waiver must be in  writing.  None of our agents has the
authority to change or waive the  provisions of the Contract.  We may not change
the terms of the Contract without your consent except to conform the Contract to
applicable  law or  changes  in the  law.  If a  provision  of the  Contract  is
inconsistent with state law, we will follow state law.


ASSIGNMENT

We will not honor an  assignment  of an interest in a Contract as  collateral or
security for a loan. However,  you may assign periodic income payments under the
Contract  prior to the Payout Start Date.  No  Beneficiary  may assign  benefits
under the  Contract  until they are due. We will not be bound by any  assignment
until you sign it and file it with us. We are not  responsible  for the validity
of any assignment. Federal law prohibits or restricts the assignment of benefits
under many types of retirement  plans and the terms of such plans may themselves
contain  restrictions on assignments.  An assignment may also result in taxes or
tax penalties.  You should consult with an attorney before trying to assign your
Contract.




<PAGE>


PURCHASES

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



MINIMUM PURCHASE PAYMENTS

Your initial  purchase  payment must be at least $5,000  ($2,000 for a Qualified
Contract).  All subsequent  purchase payments must be $500 or more. You may make
purchase  payments at any time prior to the Payout  Start  Date.  We reserve the
right to limit the maximum amount of purchase payments we will accept.
We also reserve the right to reject any application.


AUTOMATIC ADDITIONS PROGRAM

You may make subsequent  purchase payments of at least $100 ($500 for allocation
to the Fixed  Account)  by  automatically  transferring  amounts  from your bank
account. Consult your sales representative for more detailed information.


ALLOCATION OF PURCHASE PAYMENTS

At the time you apply for a  Contract,  you must  decide  how to  allocate  your
purchase payments among the investment alternatives.  The allocation you specify
on your  application will be effective  immediately.  All allocations must be in
whole  percents  that  total  100% or in  whole  dollars.  You can  change  your
allocations by notifying us in writing.

We will allocate your purchase payments to the investment alternatives according
to your most  recent  instructions  on file  with us.  Unless  you  notify us in
writing otherwise,  we will allocate  subsequent  purchase payments according to
the allocation for the previous purchase  payment.  We will effect any change in
allocation  instructions  at the time we receive written notice of the change in
good order.

We will credit the initial  purchase  payment that  accompanies  your  completed
application to your Contract within 2 business days after we receive the payment
at our  headquarters.  If your  application  is  incomplete,  we will ask you to
complete your  application  within 5 business days. If you do so, we will credit
your  initial  purchase  payment to your  Contract  within  that 5 business  day
period.  If you do not, we will return your purchase payment at the end of the 5
business day period unless you expressly  allow us to hold it until you complete
the application.  We will credit subsequent purchase payments to the Contract at
the close of the business  day on which we receive the  purchase  payment at our
headquarters.

We are open for business each day Monday  through Friday that the New York Stock
Exchange is open for business. We also refer to these days as "Valuation Dates."
Our business day closes when the New York Stock Exchange closes,  usually 4 p.m.
Eastern Time (3 p.m.  Central Time). If we receive your purchase payment after 3
p.m.  Central Time on any Valuation  Date, we will credit your purchase  payment
using the Accumulation Unit Values computed on the next Valuation Date.


RIGHT TO CANCEL

You may cancel  the  Contract  by  returning  it to us within  the  Cancellation
Period, which is the 20-day period after you receive the Contract or such longer
period as your state may require.  You may return it by delivering it or mailing
it to us. If you exercise this "Right to Cancel," the Contract terminates and we
will pay you the full amount of your  purchase  payments  allocated to the Fixed
Account.  We also will return your purchase  payments  allocated to the Variable
Account  after an  adjustment,  to the  extent  state law  permits,  to  reflect
investment  gain or loss that occurred  from the date of allocation  through the
date of  cancellation.  Some states may require us to return a greater amount to
you.


<PAGE>


CONTRACT VALUE

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



Your Contract  Value at any time during the  Accumulation  Phase is equal to the
sum of the value of your  Accumulation  Units in the Variable  Sub-Accounts  you
have selected, plus the value of your interest in the Fixed Account.


ACCUMULATION UNITS

To determine the number of  Accumulation  Units of each Variable  Sub-Account to
credit to your  Contract,  we divide (i) the amount of the purchase  payment you
have allocated to a Variable  Sub-Account by (ii) the Accumulation Unit Value of
that  Variable  Sub-Account  next computed  after we receive your  payment.  For
example,  if we  receive a $10,000  purchase  payment  allocated  to a  Variable
Sub-Account  when the  Accumulation  Unit Value for the  Sub-Account  is $10, we
would credit  1,000  Accumulation  Units of that  Variable  Sub-Account  to your
Contract.


ACCUMULATION UNIT VALUE

As a general matter,  the Accumulation Unit Value for each Variable  Sub-Account
will rise or fall to reflect:

     o    changes  in the  share  price  of  the  Fund  in  which  the  Variable
          Sub-Account invests, and

     o    the  deduction of amounts  reflecting  the  mortality and expense risk
          charge,  administrative  expense  charge,  and any provision for taxes
          that have  accrued  since we last  calculated  the  Accumulation  Unit
          Value.

We determine contract maintenance charges, withdrawal charges, and transfer fees
(currently waived) separately for each Contract. They do not affect Accumulation
Unit Value.  Instead,  we obtain  payment of those charges and fees by redeeming
Accumulation  Units.  For details on how we calculate  Accumulation  Unit Value,
please refer to the Statement of Additional Information.

We determine a separate Accumulation Unit Value for each Variable Sub-Account on
each Valuation Date.

You  should  refer  to the  prospectus  for  the  Funds  that  accompanies  this
prospectus  for a description  of how the assets of each Fund are valued,  since
that  determination  directly  bears  on  the  Accumulation  Unit  Value  of the
corresponding Variable Sub-Account and, therefore, your Contract Value.



<PAGE>


INVESTMENT ALTERNATIVES:  The Variable Sub-Accounts

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



You may allocate your purchase payments to up to 13 Variable Sub-Accounts.  Each
Variable  Sub-Account  invests in the shares of a corresponding  Fund. Each Fund
has its own investment  objective(s) and policies. We briefly describe the Funds
below.

For more  complete  information  about each Fund,  including  expenses and risks
associated with the Fund,  please refer to the  accompanying  prospectus for the
Fund. You should carefully review the prospectus for the Funds before allocating
amounts  to the  Variable  Sub-Accounts.  A I M  Advisors,  Inc.  serves  as the
investment advisor to each Fund.

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

Fund:                                   Each Fund Seeks:
- --------------------------------------------------------------------------------

AIM V.I. Aggressive Growth Fund*        Long-term growth of capital

- --------------------------------------------------------------------------------
AIM V.I. Balanced Fund                  As high a total return as possible,
                                        consistent with preservation of capital
- --------------------------------------------------------------------------------
AIM V.I. Capital Appreciation Fund      Growth of capital
- --------------------------------------------------------------------------------
AIM V.I. Capital Development Fund       Long-term growth of capital
- --------------------------------------------------------------------------------
AIM V.I. Diversified Income Fund        High level of current income
- --------------------------------------------------------------------------------
AIM V.I. Global Utilities Fund          High level of current income and a
                                        secondary objective of growth of capital
- --------------------------------------------------------------------------------
AIM V.I. Government Securities Fund     High level of current income consistent
                                        with reasonable concern for safety of
                                        principal
- --------------------------------------------------------------------------------
AIM V.I. Growth Fund                    Growth of capital
- --------------------------------------------------------------------------------
AIM V.I. Growth and Income Fund         Growth of capital with a secondary
                                        objective of current income
- --------------------------------------------------------------------------------
AIM V.I. High Yield Fund                High level of current income
- --------------------------------------------------------------------------------
AIM V.I. International Equity Fund      Long-term growth of capital
- --------------------------------------------------------------------------------
AIM V.I. Money Market Fund              As high a level of current income as is
                                        consistent with the preservation of
                                        capital and liquidity
- --------------------------------------------------------------------------------
AIM V.I. Value Fund                     Long-term growth of capital
- --------------------------------------------------------------------------------


* Due to the  sometime  limited  availability  of  common  stocks  of  small-cap
  companies that meet the  investment  criteria for AIM V.I.  Aggressive  Growth
  Fund, the Fund may  periodically  suspend or limit the offering of its shares.
  The Fund will be closed  to new  participants  when  Fund  assets  reach  $200
  million.  If the Fund is closed,  Contract owners maintaining an allocation of
  Contract  Value in that  Fund  will  nevertheless  be  permitted  to  allocate
  additional purchase payments to the Fund.

Amounts  you  allocate to Variable  Sub-Accounts  may grow in value,  decline in
value, or grow less than you expect,  depending on the investment performance of
the Funds in which those Variable  Sub-Accounts  invest. You bear the investment
risk that the Funds might not meet their  investment  objectives.  Shares of the
Funds are not deposits, or obligations of, or guaranteed or endorsed by any bank
and are not insured by the Federal Deposit  Insurance  Corporation,  the Federal
Reserve Board or any other agency.




<PAGE>


INVESTMENT ALTERNATIVES : The Fixed Account

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


You may  allocate  all or a  portion  of your  purchase  payments  to the  Fixed
Account.  The Fixed Account may not be available in all states.  Please  consult
with your  sales  representative  for  current  information.  The Fixed  Account
supports our insurance and annuity  obligations.  The Fixed Account  consists of
our general assets other than those in segregated  asset accounts.  We have sole
discretion to invest the assets of the Fixed Account, subject to applicable law.
Any money you allocate to the Fixed Account does not entitle you to share in the
investment experience of the Fixed Account.


GUARANTEE PERIODS

Each payment or transfer  allocated  to the Fixed  Account  earns  interest at a
specified  rate  that we  guarantee  for a period  of years we call a  Guarantee
Period.  Guarantee  Periods  may  range  from 1 to 10  years.  We are  currently
offering  Guarantee Periods of 1, 3, 5, 7, and 10 years in length. In the future
we may offer  Guarantee  Periods  of  different  lengths or stop  offering  some
Guarantee  Periods.  You select the  Guarantee  Period for each  amount that you
allocate to the Fixed  Account.  If you do not select a  Guarantee  Period for a
purchase payment or transfer,  we will assign the same period(s) as used for the
most recent purchase payment.

Each payment or transfer  allocated to any one Guarantee Period must be at least
$500. We reserve the right to limit the number of additional  purchase  payments
that you may allocate to any one Guarantee Period.


INTEREST RATES

We will tell you what interest rates and Guarantee  Periods we are offering at a
particular time. We may declare  different  interest rates for Guarantee Periods
of the same  length  that  begin at  different  times.  We will not  change  the
interest  rate that we credit to a  particular  allocation  until the end of the
relevant Guarantee Period.

We have no specific  formula for  determining  the rate of interest that we will
declare  initially or in the future.  We will set those  interest rates based on
investment returns available at the time of the determination.  In addition,  we
may consider  various  other factors in  determining  interest  rates  including
regulatory and tax requirements,  sales commissions and administrative expenses,
general  economic  trends,  and competitive  factors.  We determine the interest
rates  to be  declared  in our  sole  discretion.  We can  neither  predict  nor
guarantee  what those rates will be in the future.  For  current  interest  rate
information,   please  contact  your  sales   representative   or  Glenbrook  at
1-800-776-6978.

The interest rate will never be less than the minimum  guarantee  rate stated in
the Contract.


HOW WE CREDIT INTEREST

We will credit interest daily to each amount  allocated to a Guarantee Period at
a rate that  compounds  to the  annual  interest  rate that we  declared  at the
beginning of the applicable  Guarantee Period. The following example illustrates
how a purchase  payment  allocated  to the Fixed  Account  would grow,  given an
assumed Guarantee Period and annual interest rate:

Purchase Payment..........................$10,000
Guarantee Period..........................5 years
Annual Interest Rate......................4.50%



<PAGE>

<TABLE>
<CAPTION>

                                                    END OF CONTRACT YEAR
                                          YEAR 1     YEAR 2     YEAR 3      YEAR 4       YEAR 5
                                          ------     ------     ------      ------       ------
<S>                                     <C>        <C>        <C>         <C>         <C>
Beginning Contract Value                $10,000.00
X (1 + Annual Interest Rate)                X1.045
                                        $10,450.00
Contract Value at end of Contract Year             $10,450.00
X (1 + Annual Interest Rate)                           X1.045
                                                   $10,920.25
Contract Value at end of Contract Year                        $10,920.25
X (1 + Annual Interest Rate)                                      X1.045
                                                              $11,411.66
Contract Value at end of Contract Year                                    $11,411.66
X (1 + Annual Interest Rate)                                                  X1.045
                                                                          $11,925.19
Contract Value at end of Contract Year                                                $11,925.19
X (1 + Annual Interest Rate)                                                              X1.045
                                                                                      $12,461.82
Total Interest Credited During Guarantee Period = $2,461.82 ($12,461.82-$10,000)
</TABLE>


This example assumes no withdrawals  during the entire 5 year Guarantee  Period.
If you  were  to  make a  partial  withdrawal,  you  may  be  required  to pay a
withdrawal  charge.  In  addition,  the amount  withdrawn  may be  increased  or
decreased by a Market Value  Adjustment that reflects  changes in interest rates
since the time you invested the amount withdrawn. The hypothetical interest rate
is for illustrative purposes only and is not intended to predict future interest
rates to be declared under the Contract.  Actual interest rates declared for any
given  Guarantee  Period may be more or less than shown  above but will never be
less than the guaranteed minimum rate stated in the Contract.


RENEWALS

Prior to the end of each Guarantee  Period, we will mail you a notice asking you
what to do with  your  money.  During  the  30-day  period  after the end of the
Guarantee Period, you may:

1)    take no action. We will automatically  apply your money to a new Guarantee
      Period  of the  same  length  as the  expired  Guarantee  Period.  The new
      Guarantee Period will begin on the day the previous Guarantee Period ends.
      The new  interest  rate  will be our  then  current  declared  rate  for a
      Guarantee Period of that length; or

2)    instruct  us to apply your money to one or more new  Guarantee  Periods of
      your  choice.  The  new  Guarantee  Period(s)  will  begin  on the day the
      previous  Guarantee  Period ends.  The new interest  rate will be our then
      current declared rate for those Guarantee Periods; or

3)    instruct  us to  transfer  all or a portion  of your  money to one or more
      Variable Sub-Accounts of the Variable Account. We will effect the transfer
      on the day we  receive  your  instructions.  We will not adjust the amount
      transferred to include a Market Value Adjustment; or

4)    withdraw  all or a portion of your  money.  You may be  required  to pay a
      withdrawal  charge, but we will not adjust the amount withdrawn to include
      a Market Value  Adjustment.  The amount  withdrawn  will be deemed to have
      been withdrawn on the day the previous  Guarantee Period ends.  Unless you
      specify  otherwise,  amounts  not  withdrawn  will  be  applied  to a  new
      Guarantee Period of the same length as the previous  Guarantee Period. The
      new Guarantee  Period will begin on the day the previous  Guarantee Period
      ends.



MARKET VALUE ADJUSTMENT

All  withdrawals in excess of the Free Withdrawal  Amount,  and transfers from a
Guarantee  Period,  other than those taken  during the 30 day period  after such
Guarantee  Period expires,  are subject to a Market Value  Adjustment.  A Market
Value  Adjustment  also may apply upon  payment of a death  benefit and when you
apply amounts currently invested in a Guarantee Period to an Income Plan (unless
paid or applied during the 30-day period after such Guarantee  Period  expires).
We will not apply a Market Value Adjustment to a withdrawal you make:

     o    within the Free Withdrawal Amount as described on page 22,

     o    as part of the Dollar Cost Averaging Program, or

     o    withdrawals taken to satisfy IRS required minimum  distribution  rules
          for the Contract.

We apply the Market Value  Adjustment to reflect  changes in interest rates from
the time  you  first  allocate  money to a  Guarantee  Period  to the time it is
removed it from that Guarantee  Period. We calculate the Market Value Adjustment
by comparing the Treasury Rate for a period equal to the Guarantee Period at its
inception to the Treasury  Rate for a period equal to the time  remaining in the
Guarantee  Period  when you remove your  money.  "Treasury  Rate" means the U.S.
Treasury Note Constant  Maturity Yield as reported in Federal  Reserve  Bulletin
Release H.15.

The Market Value Adjustment may be positive or negative, depending on changes in
interest rates. As such, you bear the investment risk associated with changes in
interest  rates.  If interest  rates  increase  significantly,  the Market Value
Adjustment and any withdrawal charge,  premium taxes, and income tax withholding
(if applicable) could reduce the amount you receive upon full withdrawal of your
Contract Value to an amount that is less than the purchase payment plus interest
at the minimum guaranteed interest rate under the Contract.

Generally,  if the Treasury  Rate at the time you allocate  money to a Guarantee
Period is higher than the applicable current Treasury Rate for a period equal to
the time  remaining in the Guarantee  Period,  then the Market Value  Adjustment
will result in a higher amount payable to you or transferred. Conversely, if the
Treasury Rate at the time you allocate money to a Guarantee Period is lower than
the  applicable  Treasury  Rate for a period equal to the time  remaining in the
Guarantee Period, then the Market Value Adjustment will result in a lower amount
payable to you or transferred.

For  example,  assume  that you  purchase a  Contract  and you select an initial
Guarantee  Period of 5 years and the 5 year  Treasury  Rate for that duration is
4.50%. Assume that at the end of 3 years, you make a partial withdrawal.  If, at
that later time,  the  current 2 year  Treasury  Rate is 4.20%,  then the Market
Value  Adjustment  will be  positive,  which will  result in an  increase in the
amount payable to you. Conversely, if the current 2 year Treasury Rate is 4.80%,
then the Market  Value  Adjustment  will be  negative,  which  will  result in a
decrease in the amount payable to you.

The formula for calculating  Market Value Adjustments is set forth in Appendix B
to this prospectus,  which also contains  additional examples of the application
of the Market Value Adjustment.




<PAGE>


INVESTMENT ALTERNATIVES:  Transfers

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


TRANSFERS DURING THE ACCUMULATION PHASE

During  the  Accumulation  Phase,  you may  transfer  Contract  Value  among the
investment alternatives.  You may request transfers in writing on a form that we
provide or by telephone  according to the procedure described below. The minimum
amount that you may transfer  into a Guarantee  Period is $500.  We currently do
not assess,  but reserve the right to assess,  a $10 charge on each  transfer in
excess of 12 per Contract Year. We treat transfers to or from more than one Fund
on the same day as one transfer.

We will process transfer  requests that we receive before 3:00 p.m. Central Time
on any Valuation Date using the Accumulation  Unit Values for that Date. We will
process  requests  completed  after 3:00 p.m.  on any  Valuation  Date using the
Accumulation Unit Values for the next Valuation Date. The Contract permits us to
defer  transfers  from the  Fixed  Account  for up to 6 months  from the date we
receive your  request.  If we decide to postpone  transfers  from any  Guarantee
Period for 30 days or more, we will pay interest as required by applicable  law.
Any interest  would be payable from the date we receive the transfer  request to
the date we make the transfer.

If you  transfer an amount from a Guarantee  Period other than during the 30 day
period after such  Guarantee  Period  expires,  we will increase or decrease the
amount by a Market Value  Adjustment.  If any transfer  reduces the value in the
Fixed  Account to less than $500, we will treat the request as a transfer of the
entire value.

We reserve the right to waive any transfer restrictions.


TRANSFERS DURING THE PAYOUT PHASE

During the Payout Phase, you may make transfers among the Variable  Sub-Accounts
to change the  relative  weighting of the  Variable  Sub-Accounts  on which your
variable  income  payments will be based.  In addition,  you will have a limited
ability  to make  transfers  from the  Variable  Sub-Accounts  to  increase  the
proportion of your income payments consisting of fixed income payments.  You may
not,  however,  convert any of your fixed income  payments into variable  income
payments.

You may not make any  transfers  for the first 6 months  after the Payout  Start
Date. Thereafter, you may make transfers among the Variable Sub-Accounts or make
transfers  from the Variable  Sub-Accounts  to increase the  proportion  of your
income payments  consisting of fixed income payments.  Your transfers must be at
least 6 months apart.


TELEPHONE TRANSFERS

You may make transfers by telephone by calling  1-800-776-6978 if you first send
us a  completed  authorization  form.  The cut off time for  telephone  transfer
requests  is 3:00  p.m.  Central  Time.  In the  event  that the New York  Stock
Exchange closes early, i.e., before 3:00 p.m. Central Time, or in the event that
the  Exchange  closes early for a period of time but then reopens for trading on
the same day, we will process telephone transfer requests as of the close of the
Exchange on that particular day. We will not accept telephone  requests received
at any telephone  number other than the number that appears in this paragraph or
received after the close of trading on the Exchange.

We may suspend, modify or terminate the telephone transfer privilege at any time
without notice.

We use  procedures  that  we  believe  provide  reasonable  assurance  that  the
telephone transfers are genuine.  For example,  we tape telephone  conversations
with  persons  purporting  to  authorize   transfers  and  request   identifying
information.  Accordingly,  we disclaim any liability for losses  resulting from
allegedly  unauthorized  telephone  transfers.   However,  if  we  do  not  take
reasonable steps to help ensure that a telephone  authorization is valid, we may
be liable for such losses.


DOLLAR COST AVERAGING PROGRAM

Under the Dollar Cost Averaging  Program,  you may automatically  transfer a set
amount at regular  intervals  during the  Accumulation  Phase from any  Variable
Sub-Account,  or a 1 year Guarantee  Period of the Fixed  Account,  to any other
Variable  Sub-Account.   The  intervals  between  transfers,   may  be  monthly,
quarterly, semi-annually, or annually. You may not use the Dollar Cost Averaging
Program to transfer amounts to the Fixed Account.

We will not charge a transfer fee for  transfers  made under this  Program,  nor
will such  transfers  count  against the 12 transfers you can make each Contract
Year without  paying a transfer  fee. In addition,  we will not apply the Market
Value Adjustment to these transfers.

The theory of dollar cost averaging is that if purchases of equal dollar amounts
are made at fluctuating prices, the aggregate average cost per unit will be less
than  the  average  of the unit  prices  on the same  purchase  dates.  However,
participation  in this Program does not assure you of a greater profit from your
purchases under the Program nor will it prevent or necessarily  reduce losses in
a declining market.


AUTOMATIC FUND REBALANCING PROGRAM

Once  you have  allocated  your  money  among  the  Variable  Sub-Accounts,  the
performance  of  each  Sub-Account  may  cause  a shift  in the  percentage  you
allocated to each  Sub-Account.  If you select our  Automatic  Fund  Rebalancing
Program,  we will  automatically  rebalance the Contract  Value in each Variable
Sub-Account and return it to the desired percentage allocations.

We will rebalance your account each quarter according to your  instructions.  We
will transfer amounts among the Variable  Sub-Accounts to achieve the percentage
allocations  you  specify.  You  can  change  your  allocations  at any  time by
contacting us in writing or by telephone.  The new allocation  will be effective
with the first rebalancing that occurs after we receive your request. We are not
responsible for rebalancing that occurs prior to receipt of your request.

Example:

      Assume that you want your initial  purchase payment split among 2 Variable
      Sub-Accounts.  You  want  40% to be in the  AIM  V.I.  Diversified  Income
      Variable  Sub-Account  and  60%  to be in the  AIM  V.I.  Growth  Variable
      Sub-Account.  Over the next 2 months the bond  market does very well while
      the stock market performs poorly. At the end of the first quarter, the AIM
      V.I.  Diversified  Income Variable  Sub-Account now represents 50% of your
      holdings  because  of its  increase  in value.  If you choose to have your
      holdings  rebalanced  quarterly,  on the first day of the next  quarter we
      would sell some of your units in the AIM V.I.  Diversified Income Variable
      Sub-Account  and use the  money to buy more  units in the AIM V.I.  Growth
      Variable Sub-Account so that the percentage allocations would again be 40%
      and 60% respectively.

The Automatic Fund Rebalancing Program is available only during the Accumulation
Phase.  The  transfers  made  under  the  Program  do not count  towards  the 12
transfers  you can make without  paying a transfer fee, and are not subject to a
transfer fee.

Fund  rebalancing is consistent with  maintaining your allocation of investments
among market  segments,  although it is  accomplished  by reducing your Contract
Value allocated to the better performing segments.




<PAGE>


EXPENSES

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


As a Contract  owner,  you will bear,  directly or  indirectly,  the charges and
expenses described below.


CONTRACT MAINTENANCE CHARGE

During the Accumulation  Phase, on each Contract  Anniversary,  we will deduct a
$35  contract  maintenance  charge  from your  Contract  Value  invested in each
Variable  Sub-Account  in proportion to the amount  invested.  During the Payout
Phase, we will deduct the charge proportionately from each income payment.

The  charge  is for the  cost of  maintaining  each  Contract  and the  Variable
Account.  Maintenance  costs include expenses we incur in billing and collecting
purchase payments;  keeping records;  processing death claims, cash withdrawals,
and policy changes; proxy statements;  calculating  Accumulation Unit Values and
income payments; and issuing reports to Contract owners and regulatory agencies.
We cannot increase the charge. We will waive this charge if:

     o    total purchase payments equal $50,000 or more, or

     o    all of your money is allocated to the Fixed Account as of the Contract
          Anniversary.

If you surrender  your  Contract,  we will deduct the full contract  maintenance
charge unless your Contract qualifies for a waiver.


MORTALITY AND EXPENSE RISK CHARGE

We deduct a mortality  and expense  risk charge daily at an annual rate of 1.35%
of the daily net assets you have  invested  in the  Variable  Sub-Accounts.  The
mortality  and expense risk charge is for all the insurance  benefits  available
with your  Contract  (including  our  guarantee  of annuity  rates and the death
benefits),  for certain  expenses of the  Contract,  and for  assuming  the risk
(expense  risk) that the current  charges  will be  sufficient  in the future to
cover the cost of administering the Contract.  If the charges under the Contract
are not sufficient, then we will bear the loss.

We guarantee the mortality and expense risk charge and we cannot increase it. We
assess the mortality and expense risk charge during both the Accumulation  Phase
and the Payout Phase.


ADMINISTRATIVE EXPENSE CHARGE

We deduct an  administrative  expense charge daily at an annual rate of 0.10% of
the average daily net assets you have invested in the Variable Sub-Accounts.  We
intend  this  charge to cover  actual  administrative  expenses  that exceed the
revenues  from  the  contract   maintenance   charge.   There  is  no  necessary
relationship  between  the amount of  administrative  charge  imposed on a given
Contract and the amount of expenses that may be attributed to that Contract.  We
assess this charge each day during the Accumulation  Phase and the Payout Phase.
We guarantee that we will not raise this charge.


TRANSFER FEE

We  do  not  currently   impose  a  fee  upon  transfers  among  the  investment
alternatives. However, we reserve the right to charge $10 per transfer after the
12th  transfer  in each  Contract  Year.  We will not charge a  transfer  fee on
transfers that are part of a Dollar Cost Averaging or Automatic Fund Rebalancing
Program.


WITHDRAWAL CHARGE

We may assess a  withdrawal  charge of up to 6% of the purchase  payment(s)  you
withdraw.  The  charge  declines  to 0% after 7  complete  years from the day we
receive the purchase payment being withdrawn.  A schedule showing how the charge
declines is shown on page 7, above.  During each Contract Year, you can withdraw
up to 10% of purchase  payments  without paying the charge.  Unused  portions of
this 10% "Free  Withdrawal  Amount" are not carried  forward to future  Contract
Years.

We will deduct  withdrawal  charges,  if  applicable,  from the amount paid. For
purposes of the withdrawal  charge, we will treat withdrawals as coming from the
oldest purchase payments first. However, for federal income tax purposes, please
note that  withdrawals  are  considered  to have come first from earnings in the
Contract.  Thus,  for tax purposes,  earnings are  considered to come out first,
which means you pay taxes on the earnings portion of your withdrawal.

We do not apply a withdrawal charge in the following situations:

     o    on the Payout Start Date (a  withdrawal  charge may apply if you elect
          to receive  income  payments  for a specified  period of less than 120
          months);
     o    withdrawals taken to satisfy IRS minimum distribution rules; or
     o    withdrawals that qualify for the waiver as described below.

We use the amounts obtained from the withdrawal  charge to pay sales commissions
and other  promotional or  distribution  expenses  associated with marketing the
Contracts.  To the extent  that the  withdrawal  charge does not cover all sales
commissions and other  promotional or distribution  expenses,  we may use any of
our  corporate  assets,  including  potential  profit  which may arise  from the
mortality and expense risk charge or any other  charges or fee described  above,
to make up any difference.

Withdrawals  may be subject to tax  penalties  or income tax and a Market  Value
Adjustment.  You  should  consult  your own tax  counsel  or other tax  advisers
regarding any withdrawals.

Confinement Waiver. We will waive the withdrawal charge on all withdrawals taken
prior to the Payout Start Date under your Contract if the  following  conditions
are satisfied:

      1)you, or the Annuitant  if the Contract is owned by a non-natural person,
        are first  confined to a long term care  facility  or a hospital  for at
        least 90 consecutive days. You or the Annuitant must enter the long term
        care facility or hospital at least 30 days after the Issue Date;

      2)we must receive the request for the  withdrawal and written proof of the
        stay no later than 90 days following the end of your or the  Annuitant's
        stay at the long term care facility or hospital; and

      3)a  physician  must  have  prescribed  the  stay  and  the  stay  must be
        medically necessary (as defined in the Contract).

You may not claim this benefit if you, or the Annuitant,  or a member of your or
the Annuitant's immediate family (as defined in the Contract),  is the physician
prescribing your or the Annuitant's stay in a long term care facility.

Please refer to your Contract for more detailed  information about the terms and
conditions of these waivers.

The laws of your state may limit the  availability  of this  waiver and may also
change  certain terms and/or  benefits  available  under the waiver.  You should
consult your Contract for further details on these variations. Also, even if you
do not need to pay our withdrawal charge because of the waiver, you still may be
required  to pay taxes or tax  penalties  on the  amount  withdrawn.  You should
consult your tax adviser to determine the effect of a withdrawal on your taxes.


PREMIUM TAXES

Some  states  and other  governmental  entities  (e.g.,  municipalities)  charge
premium taxes or similar taxes.  We are  responsible  for paying these taxes and
will deduct them from your Contract Value.  Some of these taxes are due when the
Contract is issued, others are due when income payments begin or upon surrender.
Our  current  practice  is not to charge  anyone for these  taxes  until  income
payments begin or when a total withdrawal  occurs including  payment upon death.
We may discontinue this practice sometime in the future and deduct premium taxes
from  the  purchase  payments.  Premium  taxes  generally  range  from 0% to 4%,
depending on the state.

At the Payout  Start  Date,  we deduct the  charge for  premium  taxes from each
investment  alternative in the proportion that the Contract owner's value in the
investment alternative bears to the total Contract Value.


DEDUCTION FOR SEPARATE ACCOUNT INCOME TAXES

We are not currently maintaining a provision for taxes. In the future,  however,
we may establish a provision for taxes if we determine,  in our sole discretion,
that we will incur a tax as a result of the  operation of the Variable  Account.
We will  deduct  for any  taxes we incur as a  result  of the  operation  of the
Variable  Account,  whether or not we previously  made a provision for taxes and
whether or not it was sufficient.  Our status under the Internal Revenue Code is
briefly described in the Statement of Additional Information.


OTHER EXPENSES

Each  Fund  deducts  advisory  fees and  other  expenses  from its  assets.  You
indirectly  bear the charges and  expenses of the Funds whose shares are held by
the  Variable  Sub-Accounts.  These  fees  and  expenses  are  described  in the
accompanying  prospectus  for the AIM  Variable  Insurance  Funds,  Inc..  For a
summary of current estimates of those charges and expenses, see pages 8-9 above.
We may  receive  compensation  from A I M  Advisors,  Inc.,  for  administrative
services we provide to the Funds.


<PAGE>


ACCESS TO YOUR MONEY


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

You can  withdraw  some or all of your  Contract  Value at any time prior to the
Payout Start Date. Withdrawals also are available under limited circumstances on
or after the Payout Start Date. See "Income Plans" on page 26.

The amount payable upon  withdrawal is the Contract Value next computed after we
receive the request for a withdrawal at our headquarters, adjusted by any Market
Value Adjustment,  less any withdrawal charges,  contract  maintenance  charges,
income  tax  withholding,  penalty  tax,  and any  premium  taxes.  We will  pay
withdrawals  from the Variable  Account within 7 days of receipt of the request,
subject to postponement in certain circumstances.

You can  withdraw  money  from the  Variable  Account or the Fixed  Account.  To
complete  a  partial  withdrawal  from  the  Variable  Account,  we will  cancel
Accumulation  Units in an  amount  equal to the  withdrawal  and any  applicable
withdrawal charge and premium taxes.

You  must  name  the  investment  alternative  from  which  you are  taking  the
withdrawal.  If none is named,  then the  withdrawal  request is incomplete  and
cannot be honored.

In general,  you must  withdraw at least $50 at a time.  You also may withdraw a
lesser  amount  if you  are  withdrawing  your  entire  interest  in a  Variable
Sub-Account.

If you request a total withdrawal,  you must return your Contract to us. We also
will  deduct a contract  maintenance  charge of $35,  unless we have  waived the
contract maintenance charge on your Contract.


POSTPONEMENT OF PAYMENTS

We may postpone the payment of any amounts due from the Variable  Account  under
the Contract if:

     1)   The New York Stock Exchange is closed for other than usual weekends or
          holidays, or trading on the Exchange is otherwise restricted;

     2)   An emergency exists as defined by the SEC; or

     3)   The SEC permits delay for your protection.

In addition, we may delay payments or transfers from the Fixed Account for up to
6 months or a shorter period if required by law. If we delay payment or transfer
for 30 days or more, we will pay interest as required by law. Any interest would
be payable from the date we receive the  withdrawal  request to the date we make
the payment or transfer.


SYSTEMATIC WITHDRAWAL PROGRAM

You  may  choose  to  receive  systematic  withdrawal  payments  on  a  monthly,
quarterly,  semi-annual,  or annual  basis at any time prior to the Payout Start
Date.  The  minimum  amount  of  each  systematic  withdrawal  is  $50.  At  our
discretion,  systematic  withdrawals may not be offered in conjunction  with the
Dollar Cost Averaging or Automatic Fund Rebalancing Programs.

Depending on  fluctuations  in the net asset value of the Variable  Sub-Accounts
and the value of the Fixed Account,  systematic  withdrawals  may reduce or even
exhaust the Contract  Value.  Income taxes may apply to systematic  withdrawals.
Please consult your tax advisor before taking any withdrawal.

We will make systematic  withdrawal payments to you or your designated payee. We
may modify or suspend the Systematic  Withdrawal Program and charge a processing
fee for the service. If we modify or suspend the Systematic  Withdrawal Program,
existing systematic withdrawal payments will not be affected.


MINIMUM CONTRACT VALUE

If your  request  for a  partial  withdrawal  would  reduce  the  amount  in any
Guarantee Period to less than $500, we will treat the request as a withdrawal of
the entire  amount  invested in such  Guarantee  Period.  In  addition,  if your
request for a partial  withdrawal  would reduce your Contract Value to less than
$1,000,  we may treat it as a request to withdraw  your entire  Contract  Value.
Your Contract  will  terminate if you withdraw all of your  Contract  Value.  We
will,  however,  ask you to confirm your withdrawal  request before  terminating
your  Contract.  If we terminate your  Contract,  we will  distribute to you its
Contract  Value,  adjusted  by any  applicable  Market  Value  Adjustment,  less
withdrawal and other charges, including premium taxes.




<PAGE>


INCOME PAYMENTS

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


PAYOUT START DATE

You select the Payout Start Date in your  application.  The Payout Start Date is
the day that we apply your money to an Income  Plan.  The Payout Start Date must
be  no  later  than  the  Annuitant's  90th  birthday,   or  the  10th  Contract
Anniversary, if later.

You may change the Payout  Start Date at any time by  notifying us in writing of
the change at least 30 days before the  scheduled  Payout  Start Date.  Absent a
change, we will use the Payout Start Date stated in your Contract.


INCOME PLANS

An  "Income  Plan" is a series of  payments  on a  scheduled  basis to you or to
another  person  designated  by you.  You may choose and change  your  choice of
Income Plan until 30 days before the Payout Start Date.  If you do not select an
Income Plan, we will make income  payments in accordance with Income Plan 1 with
guaranteed payments for 10 years.

Three  Income  Plans are  available  under the  Contract.  Each is  available to
provide:

     o    fixed income payments;
     o    variable income payments; or
     o    a combination of the two.

The three Income Plans are:

      Income Plan 1 -- Life Income with Guaranteed Payments. Under this plan, we
      make periodic income payments for at least as long as the Annuitant lives.
      If the  Annuitant  dies before we have made all of the  guaranteed  income
      payments,  we will continue to pay the remainder of the guaranteed  income
      payments as required by the Contract.

      Income Plan 2 -- Joint and Survivor Life Income with Guaranteed  Payments.
      Under this plan, we make periodic  income payments for at least as long as
      either  the  Annuitant  or the  joint  Annuitant  is  alive.  If both  the
      Annuitant  and the  joint  Annuitant  die  before  we have made all of the
      guaranteed  income payments,  we will continue to pay the remainder of the
      guaranteed income payments as required by the Contract.

      Income Plan 3 -- Guaranteed Payments for a Specified Period (5 Years to 30
      Years).  Under this plan, we make periodic  income payments for the period
      you have chosen.  These  payments do not depend on the  Annuitant's  life.
      Income  payments  for less than 120 months may be subject to a  withdrawal
      charge. We will deduct the mortality and expense risk charge from variable
      income payments even though we may not bear any mortality risk.

The length of any  guaranteed  payment  period under your  selected  Income Plan
generally  will affect the dollar amounts of each income  payment.  As a general
rule, longer guarantee periods result in lower income payments, all other things
being equal. For example, if you choose an Income Plan with payments that depend
on the life of the Annuitant but with no minimum specified period for guaranteed
payments, the income payments generally will be greater than the income payments
made under the same Income Plan with a minimum  specified  period for guaranteed
payments.

If you choose  Income Plan 1 or 2, or, if  available,  another  Income Plan with
payments that continue for the life of the Annuitant or joint Annuitant,  we may
require proof of age and sex of the Annuitant or joint Annuitant before starting
income payments, and proof that the Annuitant or joint Annuitant is alive before
we make each payment.  Please note that under such Income Plans, if you elect to
take no minimum guaranteed payments, it is possible that the payee could receive
only 1 income  payment if the Annuitant and any joint  Annuitant both die before
the second  income  payment,  or only 2 income  payments  if they die before the
third income payment, and so on.

Generally,  you may not make  withdrawals  after  the  Payout  Start  Date.  One
exception to this rule applies if you are  receiving  variable  income  payments
that do not depend on the life of the  Annuitant  (such as under Income Plan 3).
In that case you may  terminate  the  Variable  Account  portion  of the  income
payments at any time and  receive a lump sum equal to the  present  value of the
remaining  variable  payments due. A withdrawal charge may apply. We also assess
applicable premium taxes against all income payments.

We may make other Income Plans available.  You may obtain information about them
by writing or calling us.

You must apply at least the  Contract  Value in the Fixed  Account on the Payout
Start Date to fixed  income  payments.  If you wish to apply any portion of your
Fixed Account option balance to provide  variable  income  payments,  you should
plan ahead and transfer  that amount to the Variable  Sub-Accounts  prior to the
Payout Start Date.  If you do not tell us how to allocate  your  Contract  Value
among fixed and variable income  payments,  we will apply your Contract Value in
the Variable  Account to variable income payments and your Contract Value in the
Fixed Account to fixed income payments.

We will apply your Contract Value,  less adjusted by a Market Value  Adjustment,
less  applicable  taxes to your  Income Plan on the Payout  Start  Date.  If the
amount available to apply under an Income Plan is less than $2,000 or not enough
to provide an initial payment of at least $20, and state law permits, we may:

     o    pay you the Contract  Value,  adjusted by any Market Value  Adjustment
          and less any applicable  taxes,  in a lump sum instead of the periodic
          payments you have chosen, or

     o    reduce the  frequency of your payments so that each payment will be at
          least $20.


VARIABLE INCOME PAYMENTS

The amount of your variable income payments depends upon the investment  results
of the Variable  Sub-Accounts you select, the premium taxes you pay, the age and
sex of the  Annuitant,  and the Income Plan you choose.  We  guarantee  that the
payments  will not be affected by (a) actual  mortality  experience  and (b) the
amount of our administration expenses.

We cannot  predict  the total  amount of your  variable  income  payments.  Your
variable income  payments may be more or less than your total purchase  payments
because (a) variable  income  payments vary with the  investment  results of the
underlying  Funds and (b) the  Annuitant  could live  longer or shorter  than we
expect based on the tables we use.

In calculating the amount of the periodic  payments in the annuity tables in the
Contract,  we  assumed  an  annual  investment  rate of 3%.  If the  actual  net
investment  return of the  Variable  Sub-Accounts  you  choose is less than this
assumed investment rate, then the dollar amount of your variable income payments
will decrease. The dollar amount of your variable income payments will increase,
however,  if the actual net  investment  return  exceeds the assumed  investment
rate. The dollar amount of the variable  income  payments stays level if the net
investment  return  equals the  assumed  investment  rate.  Please  refer to the
Statement of Additional  Information for more detailed  information as to how we
determine variable income payments.


FIXED INCOME PAYMENTS

We guarantee  income  payment  amounts  derived  from the Fixed  Account for the
duration of the Income Plan. We calculate the fixed income payments by:

     1)   adjusting  the portion of the Contract  Value in the Fixed  Account on
          the Payout Start Date by any applicable Market Value Adjustment;

     2)   deducting any applicable premium tax; and

     3)   applying the  resulting  amount to the greater of (a) the  appropriate
          value from the income payment table in your Contract or (b) such other
          value as we are offering at that time.

We may defer making fixed income payments for a period of up to 6 months or such
shorter time as state law may require. If we defer payments for 30 days or more,
we will pay interest as required by law from the date we receive the  withdrawal
request to the date we make payment.


CERTAIN EMPLOYEE BENEFIT PLANS

The Contracts  offered by this  prospectus  contain  income  payment tables that
provide  for  different  payments  to men and women of the same  age,  except in
states that require  unisex  tables.  We reserve the right to use income payment
tables that do not  distinguish  on the basis of sex to the extent  permitted by
law. In certain employment-related situations,  employers are required by law to
use the same  income  payment  tables  for men and  women.  Accordingly,  if the
Contract is to be used in connection  with an  employment-related  retirement or
benefit plan and we do not offer unisex annuity tables in your state, you should
consult  with  legal  counsel  as to  whether  the  purchase  of a  Contract  is
appropriate.



<PAGE>


DEATH BENEFITS

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



We will pay a death benefit if, prior to the Payout Start Date:

     1)   any Contract owner dies or,

     2)   the  Annuitant  dies,  if the  Contract is owned by a company or other
          legal entity.

We  will  pay  the  death  benefit  to the  new  Contract  owner  as  determined
immediately  after  the  death.  The new  Contract  owner  would be a  surviving
Contract owner or, if none, the Beneficiary.


DEATH BENEFIT AMOUNT

Prior to the Payout Start Date, the death benefit is equal to the greatest of:

     1)   the Contract Value as of the date we determine the death benefit, or

     2)   the Settlement Value (that is, the amount that would have been payable
          on a full  withdrawal  of the  Contract  Value)  on the  date  that we
          determine the death benefit, or

     3)   the  Contract  Value  at the  Death  Benefit  Anniversary  immediately
          preceding the date that we determine the death benefit adjusted by any
          purchase   payments,   withdrawals,   and  charges   made  since  that
          anniversary.

A "Death Benefit  Anniversary" is every seventh Contract  Anniversary  beginning
with the  Issue  Date.  For  example,  the  Issue  Date,  7th and 14th  Contract
Anniversaries are the first three Death Benefit Anniversaries.

We will adjust the death benefit by any applicable Market Value Adjustment as of
the date we determine  the death  benefit.  The death benefit will never be less
than the sum of all purchase  payments less any amounts  previously  paid to the
Contract owner (including income tax withholding).

A claim for a  distribution  on death must include "Due Proof of Death." We will
accept the following documentation as Due Proof of Death:

     o    a certified copy of a death certificate;

     o    a certified copy of a decree of a court of competent  jurisdiction  as
          to a finding of death; or

     o    any other proof acceptable to us.


ENHANCED DEATH BENEFIT OPTIONS

You can select an enhanced death benefit option when you purchase the Contract.

Enhanced  Death  Benefit A. If you select  Enhanced  Death  Benefit A, the death
benefit  will be the greater of the values  stated in the Death  Benefit  Amount
provision  above,  or the value of Enhanced  Death Benefit A. The Enhanced Death
Benefit A is:

      The greatest of the  Anniversary  Values as of the date we  determine  the
      death benefit.  An "Anniversary Value" is equal to the Contract Value on a
      Contract  Anniversary,  increased  by  purchase  payments  made since that
      Anniversary  and  reduced by the amount of any partial  withdrawals  since
      that anniversary.  Anniversary Values will be calculated for each Contract
      Anniversary prior to the earlier of:

          (i)  the date we determine the death benefit, or
          (ii) the 75th birthday of the oldest Contract owner, or, the Annuitant
               if the Contract owner is not a natural  person,  or 5 years after
               the Issue Date, if later.

Enhanced  Death  Benefit B. If you select  Enhanced  Death  Benefit B, the death
benefit  will be the greater of the values  stated in the Death  Benefit  Amount
provision  above,  or the value of Enhanced  Death Benefit B. The Enhanced Death
Benefit B is:

      Total  purchase  payments minus the sum of all partial  withdrawals.  Each
      purchase  payment and each partial  withdrawal will accumulate  daily at a
      rate equivalent to 5% per year until the earlier of:

          (i)  the date we determine the death benefit, or
          (ii) the first day of the month  following  the 75th  birthday  of the
               oldest Contract owner, or, the Annuitant if the Contract owner is
               not a natural person, or 5 years after the Issue Date, if later.

If neither  option is selected by the Owner,  the  Contract  will  automatically
include  Enhanced  Death  Benefit  A. We will  determine  the value of the death
benefit at the end of the Valuation Date on which we receive a complete  request
for payment of the death  benefit  which  includes  due proof of death.  Neither
Enhanced  Death Benefit A nor Enhanced Death Benefit B will ever be greater than
the maximum death benefit  allowed by any  non-forfeiture  laws which govern the
Contract.


DEATH BENEFIT PAYMENTS

A death benefit will be paid if:

     1)   the Contract owner elects to receive the death benefit  distributed in
          a single payment within 180 days of the date of death, and

     2)   the death  benefit is paid as of the day we determine the value of the
          death  benefit.  Otherwise,  we will  pay the  Settlement  Value.  The
          Settlement Value paid will be the Settlement Value next computed on or
          after the requested  distribution date for payment or on the mandatory
          distribution date of 5 years after the date of death. We are currently
          waiving  the 180 day limit,  but we reserve  the right to enforce  the
          limitation in the future.

In any event,  the entire value of the  Contract  must be  distributed  within 5
years  after the date of death  unless an Income  Plan is elected or a surviving
spouse continues the Contract in accordance with the provisions described below.

The Contract owner eligible to receive death benefits has the following options:

     1)   If the Contract owner is not a natural person, then the Contract owner
          may receive the death benefit in one or more distributions.

     2)   If the Contract  owner is a natural  person,  the  Contract  owner may
          elect to receive the death benefit in one or more  distributions or by
          periodic  payments  through an Income Plan.  Payments  from the Income
          Plan  must  begin  within  one year of the  date of death  and must be
          payable throughout:

                    o    the life of the Contract owner; or

                    o    a  period  not to  exceed  the life  expectancy  of the
                         Contract owner; or

                    o    the life of the Contract owner with payments guaranteed
                         for a period not to exceed the life  expectancy  of the
                         Contract owner.


     3)   If the  surviving  spouse of the  deceased  Contract  owner is the new
          Contract  owner,  then the spouse may elect one of the options  listed
          above or may continue the Contract in the Accumulation Phase as if the
          death had not  occurred.  The Contract may only be continued  once. If
          the Contract is continued in the  Accumulation  Phase,  the  surviving
          spouse may make a single  withdrawal  of any amount within one year of
          the date of death without incurring a withdrawal charge.  However, any
          applicable Market Value  Adjustment,  determined as of the date of the
          withdrawal, will apply.

          Any death benefit payable in a lump sum must be paid within 5 years of
          the date of death.  If no election is made,  funds will be distributed
          at the end of the 5 year period.


<PAGE>


MORE INFORMATION

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



GLENBROOK

Glenbrook is the issuer of the  Contract.  Glenbrook  is a stock life  insurance
company  organized  under the laws of the State of Arizona in 1998.  Previously,
Glenbrook  was  organized  under  the  laws of the  State of  Illinois  in 1992.
Glenbrook  was  originally  organized  under the laws of the State of Indiana in
1965.  From 1965 to 1983 Glenbrook was known as "United  Standard Life Assurance
Company"  and from 1983 to 1992 as  "William  Penn  Life  Assurance  Company  of
America."

Glenbrook is  currently  licensed to operate in the District of Columbia and all
states except New York.  We intend to offer the Contract in those  jurisdictions
in which we are  licensed.  Our  headquarters  is located at 3100 Sanders  Road,
Northbrook, Illinois, 60062.

Glenbrook  is a wholly  owned  subsidiary  of Allstate  Life  Insurance  Company
("Allstate Life"), a stock life insurance company incorporated under the laws of
the State of Illinois.  Allstate  Life is a wholly owned  subsidiary of Allstate
Insurance Company,  a stock  property-liability  insurance company  incorporated
under the laws of Illinois.  All of the  outstanding  capital  stock of Allstate
Insurance Company is owned by The Allstate Corporation.

Glenbrook and Allstate Life entered into a reinsurance  agreement effective June
5, 1992. Under the reinsurance agreement,  Allstate Life reinsures substantially
all of  Glenbrook's  liabilities  under its  various  insurance  contracts.  The
reinsurance  agreement  provides us with  financial  backing from Allstate Life.
However, it does not create a direct contractual  relationship  between Allstate
Life and you.  In other  words,  the  obligations  of  Allstate  Life  under the
reinsurance agreement are to Glenbrook; Glenbrook remains the sole obligor under
the Contract to you.

Several   independent   rating  agencies   regularly   evaluate  life  insurers'
claims-paying ability, quality of investments,  and overall stability. A.M. Best
Company assigns A+ (Superior) to Allstate Life which automatically reinsures all
net business of Glenbrook.  A.M. Best Company also assigns  Glenbrook the rating
of  A+(r)  because  Glenbrook  automatically  reinsures  all net  business  with
Allstate Life.  Standard & Poor's Insurance Rating Services assigns an AA+ (Very
Strong)  financial  strength  rating  and  Moody's  assigns  an Aa2  (Excellent)
financial strength rating to Glenbrook. Glenbrook shares the same ratings of its
parent,  Allstate Life. These ratings do not reflect the investment  performance
of the Variable Account. We may from time to time advertise these ratings in our
sales literature.


THE VARIABLE ACCOUNT

Glenbrook  established the Glenbrook Life and Annuity Company Separate Account A
on September 6, 1995. We have registered the Variable  Account with the SEC as a
unit investment trust. The SEC does not supervise the management of the Variable
Account or Glenbrook.

We own the assets of the Variable Account.  The Variable Account is a segregated
asset  account  under  Arizona  law.  That  means we  account  for the  Variable
Account's  income,  gains and losses  separately  from the  results of our other
operations.  It also means that only the assets of the Variable Account that are
in excess of the reserves  and other  Contract  liabilities  with respect to the
Variable  Account are subject to liabilities  relating to our other  operations.
Our obligations arising under the Contracts are general corporate obligations of
Glenbrook.

The Variable Account consists of 13 Variable Sub-Accounts, each of which invests
in a corresponding  Fund. We may add new Variable  Sub-Accounts or eliminate one
or more of them,  if we believe  marketing,  tax, or  investment  conditions  so
warrant. We do not guarantee the investment performance of the Variable Account,
its Sub-Accounts or the Funds. We may use the Variable Account to fund our other
annuity contracts.  We will account separately for each type of annuity contract
funded by the Variable Account.


THE FUNDS

Dividends  and  Capital  Gain  Distributions.   We  automatically  reinvest  all
dividends  and  capital  gains  distributions  from the  Funds in  shares of the
distributing Fund at their net asset value.

Voting  Privileges.  As a general matter, you do not have a direct right to vote
the  shares of the Funds  held by the  Variable  Sub-Accounts  to which you have
allocated your Contract Value.  Under current law, however,  you are entitled to
give us  instructions on how to vote those shares on certain  matters.  Based on
our  present  view of the law, we will vote the shares of the Funds that we hold
directly  or  indirectly   through  the  Variable  Account  in  accordance  with
instructions  that we  receive  from  Contract  owners  entitled  to  give  such
instructions.

As a general rule,  before the Payout Start Date,  the Contract  owner or anyone
with a voting interest is the person entitled to give voting  instructions.  The
number of shares that a person has a right to  instruct  will be  determined  by
dividing the Contract Value allocated to the applicable Variable  Sub-Account by
the net asset value per share of the corresponding Fund as of the record date of
the meeting.  After the Payout Start Date, the person  receiving income payments
has the voting  interest.  The  payee's  number of votes will be  determined  by
dividing  the reserve for such  Contract  allocated to the  applicable  Variable
Sub-account  by the net asset  value per share of the  corresponding  Fund.  The
votes decrease as income  payments are made and as the reserves for the Contract
decrease.

We will vote shares  attributable  to  Contracts  for which we have not received
instructions, as well as shares attributable to us, in the same proportion as we
vote shares for which we have received instructions, unless we determine that we
may vote such shares in our own discretion. We will apply voting instructions to
abstain on any item to be voted on a pro-rata basis to reduce the votes eligible
to be cast.

We reserve the right to vote Fund shares as we see fit without  regard to voting
instructions   to  the  extent   permitted  by  law.  If  we  disregard   voting
instructions,  we will include a summary of that action and our reasons for that
action in the next semi-annual financial report we send to you.

Changes in Funds. If the shares of any of the Funds are no longer  available for
investment by the Variable Account or if, in our judgment, further investment in
such shares is no longer  desirable in view of the purposes of the Contract,  we
may eliminate that Fund and  substitute  shares of another  eligible  investment
fund. Any  substitution of securities  will comply with the  requirements of the
1940 Act. We also may add new Variable  Sub-Accounts  that invest in  additional
mutual funds. We will notify you in advance of any change.

Conflicts  of  Interest.  Certain  of the Funds sell  their  shares to  separate
accounts underlying both variable life insurance and variable annuity contracts.
It is  conceivable  that in the future it may be  unfavorable  for variable life
insurance  separate accounts and variable annuity separate accounts to invest in
the same Fund.  The boards of  directors  of these Funds  monitor  for  possible
conflicts among separate  accounts  buying shares of the Funds.  Conflicts could
develop for a variety of reasons.  For example,  differences in treatment  under
tax and other laws or the failure by a separate account to comply with such laws
could cause a conflict. To eliminate a conflict, a Fund's board of directors may
require a separate account to withdraw its participation in a Fund. A Fund's net
asset  value  could  decrease  if it had to sell  investment  securities  to pay
redemption proceeds to a separate account withdrawing because of a conflict.


THE CONTRACT

Distribution.  Allstate Life Financial Services, Inc. ("ALFS"),  located at 3100
Sanders Road,  Northbrook,  Illinois  60062-7154,  serves as  distributor of the
Contracts.  ALFS is a  wholly  owned  subsidiary  of  Allstate  Life.  ALFS is a
registered  broker  dealer under the  Securities  and  Exchange Act of 1934,  as
amended  ("Exchange  Act"),  and is a  member  of the  National  Association  of
Securities Dealers, Inc.

We will pay commissions to  broker-dealers  who sell the Contracts.  Commissions
paid may vary, but we estimate that the total  commissions  paid on all Contract
sales will not exceed 8% of any purchase  payments (on a present  value  basis).
These commissions are intended to cover  distribution  expenses.  Sometimes,  we
also pay the  broker-dealer  a  persistency  bonus in addition  to the  standard
commissions.  We do not expect that a persistency bonus will exceed 1.20%, on an
annual basis,  of the Contract  Values  considered in connection with the bonus.
These commissions are intended to cover distribution  expenses.  In some states,
Contracts  may be sold by  representatives  or  employees  of banks which may be
acting as broker-dealers  without separate  registration under the Exchange Act,
pursuant to legal and regulatory exceptions.

Glenbrook does not pay ALFS a commission for distribution of the Contracts.  The
underwriting  agreement  with ALFS provides that we will  reimburse ALFS for any
liability  to Contract  owners  arising out of  services  rendered or  Contracts
issued.

Administration.  We have primary responsibility for all administration of the
Contracts and the Variable Account.
We provide the following administrative services, among others:

     o    issuance of the Contracts;
     o    maintenance of Contract owner records;
     o    Contract owner services;
     o    calculation of unit values;
     o    maintenance of the Variable Account; and
     o    preparation of Contract owner reports.

We will send you Contract  statements  and  transaction  confirmations  at least
annually.  You should notify us promptly in writing of any address  change.  You
should  read your  statements  and  confirmations  carefully  and  verify  their
accuracy. You should contact us promptly if you have a question about a periodic
statement. We will investigate all complaints and make any necessary adjustments
retroactively,  but you must notify us of a potential  error within a reasonable
time  after  the date of the  questioned  statement.  If you wait too  long,  we
reserve the right to make the  adjustment as of the date that we receive  notice
of the potential error.

We also will provide you with additional periodic and other reports, information
and prospectuses as may be required by federal securities laws.


QUALIFIED PLANS

If you use the Contract with a qualified plan, the plan may impose  different or
additional  conditions  or  limitations  on  withdrawals,  waivers of withdrawal
charges, death benefits, Payout Start Dates, income payments, and other Contract
features.  In addition,  adverse tax  consequences  may result if qualified plan
limits on  distributions  and other  conditions are not met. Please consult your
qualified plan administrator for more information.


LEGAL MATTERS

Freedman,  Levy,  Kroll & Simonds,  Washington,  D.C., has advised  Glenbrook on
certain federal  securities law matters.  All matters of state law pertaining to
the Contracts,  including the validity of the Contracts and Glenbrook's right to
issue such Contracts under state insurance law, have been passed upon by Michael
J. Velotta, General Counsel of Glenbrook.


YEAR 2000

Glenbrook is heavily  dependent upon complex  computer systems for all phases of
its   operations,   including   customer   service,   and  policy  and  contract
administration.  Since many of  Glenbrook's  older  computer  software  programs
recognize  only the last two digits of the year in any date,  some  software may
fail to operate  properly  in or after the year  1999,  if the  software  is not
reprogrammed  or replaced ("Year 2000 Issue").  Glenbrook  believes that many of
its  counterparties  and suppliers also have Year 2000 Issues which could affect
Glenbrook.  In 1995,  Allstate  Insurance  Company  commenced a plan intended to
mitigate  and/or  prevent  the  adverse  effects  of  Year  2000  Issues.  These
strategies  include  normal  development  and  enhancement  of new and  existing
systems, upgrades to operating systems already covered by maintenance agreements
and modifications to existing systems to make them Year 2000 compliant. The plan
also includes Glenbrook actively working with its major external  counterparties
and suppliers to assess their  compliance  efforts and  Glenbrook's  exposure to
them. Glenbrook presently believes that it will resolve the Year 2000 Issue in a
timely manner,  and the financial impact will not materially  affect its results
of operations,  liquidity or financial position. Year 2000 costs are and will be
expensed as incurred.


<PAGE>


TAXES

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



The following discussion is general and is not intended as tax advice. Glenbrook
makes no guarantee  regarding the tax  treatment of any Contract or  transaction
involving a Contract.

Federal,  state,  local and other tax  consequences  of  ownership or receipt of
distributions under an annuity contract depend on your individual circumstances.
If you are concerned about any tax  consequences  with regard to your individual
circumstances, you should consult a competent tax adviser.

TAXATION OF ANNUITIES IN GENERAL

Tax Deferral.  Generally, you are not taxed on increases in the Contract
Value until a distribution occurs.  This rule applies only where:

     1)   the Contract owner is a natural person,

     2)   the investments of the Variable  Account are "adequately  diversified"
          according to Treasury Department regulations, and

     3)   Glenbrook is considered  the owner of the Variable  Account assets for
          federal income tax purposes.

Non-natural  Owners.  As a general rule,  annuity contracts owned by non-natural
persons  such as  corporations,  trusts,  or other  entities  are not treated as
annuity contracts for federal income tax purposes.  The income on such contracts
is taxed as ordinary  income received or accrued by the owner during the taxable
year.  Please see the  Statement of Additional  Information  for a discussion of
several  exceptions  to the  general  rule for  Contracts  owned by  non-natural
persons.

Diversification  Requirements.  For a Contract  to be treated as an annuity  for
federal income tax purposes,  the  investments  in the Variable  Account must be
"adequately  diversified"  consistent with standards  under Treasury  Department
regulations.  If the  investments  in the  Variable  Account are not  adequately
diversified, the Contract will not be treated as an annuity contract for federal
income tax  purposes.  As a result,  the income on the Contract will be taxed as
ordinary  income  received or accrued by the  Contract  owner during the taxable
year. Although Glenbrook does not have control over the Funds their investments,
we expect the Funds to meet the diversification requirements.

Ownership Treatment. The IRS has stated that you will be considered the owner of
Variable  Account assets if you possess  incidents of ownership in those assets,
such as the ability to exercise  investment control over the assets. At the time
the diversification  regulations were issued, the Treasury Department  announced
that the regulations do not provide guidance  concerning  circumstances in which
investor  control of separate  account  investments  may cause an investor to be
treated as the owner of the  separate  account.  The  Treasury  Department  also
stated that future  guidance  would be issued  regarding  the extent that owners
could direct  sub-account  investments  without  being  treated as owners of the
underlying assets of the separate account.

Your rights under the Contract are different than those  described by the IRS in
rulings  in which it found that  contract  owners  were not  owners of  separate
account  assets.  For  example,  you have the choice to  allocate  premiums  and
Contract  Values among more  investment  alternatives.  Also, you may be able to
transfer among  investment  alternatives  more  frequently than in such rulings.
These differences could result in you being treated as the owner of the Variable
Account. If this occurs,  income and gain from the Variable Account assets would
be includible in your gross income.  Glenbrook does not know what standards will
be set forth in any  regulations  or rulings which the Treasury  Department  may
issue. It is possible that future standards announced by the Treasury Department
could adversely affect the tax treatment of your Contract.  We reserve the right
to modify the  Contract  as  necessary  to  attempt  to  prevent  you from being
considered the federal tax owner of the assets of the Variable Account. However,
we make no guarantee that such modification to the Contract will be successful.

Taxation of Partial and Full Withdrawals. If you make a partial withdrawal under
a  non-Qualified  Contract,  amounts  received  are  taxable  to the  extent the
Contract Value,  without regard to surrender charges,  exceeds the investment in
the Contract.  The  investment in the Contract is the gross premium paid for the
Contract minus any amounts previously received from the Contract if such amounts
were properly excluded from your gross income. If you make a partial  withdrawal
under a Qualified Contract, the portion of the payment that bears the same ratio
to the total payment that the  investment in the Contract  (i.e.,  nondeductible
IRA  contributions,  after tax  contributions  to qualified  plans) bears to the
Contract  Value,  is excluded  from your income.  If you make a full  withdrawal
under a non-Qualified Contract or a Qualified Contract, the amount received will
be taxable only to the extent it exceeds the investment in the Contract.

"Nonqualified   distributions"   from  Roth  IRAs  are   treated  as  made  from
contributions  first and are  included  in gross  income only to the extent that
distributions exceed contributions. "Qualified distributions" from Roth IRAs are
not included in gross income.  "Qualified  distributions"  are any distributions
made more than 5 taxable years after the taxable year of the first  contribution
to any Roth IRA and which are:

     o    made on or after the date the individual attains age 59 1/2,

     o    made to a beneficiary after the Contract owner's death,

     o    attributable to the Contract owner being disabled, or

     o    for a first time home purchase  (first time home purchases are subject
          to a lifetime limit of $10,000).

If you transfer a non-Qualified Contract without full and adequate consideration
to a person  other  than  your  spouse  (or to a  former  spouse  incident  to a
divorce), you will be taxed on the difference between the Contract Value and the
investment in the Contract at the time of transfer. Except for certain Qualified
Contracts, any amount you receive as a loan under a Contract, and any assignment
or pledge (or agreement to assign or pledge) of the Contract Value is treated as
a withdrawal of such amount or portion.

Taxation of Annuity Payments. Generally, the rule for income taxation of annuity
payments received from a non-Qualified  Contract provides for the return of your
investment in the Contract in equal  tax-free  amounts over the payment  period.
The balance of each payment received is taxable. For fixed annuity payments, the
amount  excluded  from income is determined  by  multiplying  the payment by the
ratio of the  investment  in the Contract  (adjusted  for any refund  feature or
period certain) to the total expected value of annuity  payments for the term of
the Contract.  If you elect variable annuity payments,  the amount excluded from
taxable  income is determined by dividing the  investment in the Contract by the
total number of expected  payments.  The annuity  payments will be fully taxable
after the total amount of the investment in the Contract is excluded using these
ratios.  If you die, and annuity  payments  cease before the total amount of the
investment in the Contract is recovered,  the unrecovered amount will be allowed
as a deduction for your last taxable year.

Taxation of Annuity Death  Benefits.  Death of a Contract owner, or death of the
Annuitant  if the  Contract  is  owned by a  non-natural  person,  will  cause a
distribution  of death  benefits  from a Contract.  Generally,  such amounts are
included in income as follows:

     1)   if distributed in a lump sum, the amounts are taxed in the same manner
          as a full withdrawal, or

     2)   if distributed  under an annuity option,  the amounts are taxed in the
          same  manner  as an  annuity  payment.  Please  see the  Statement  of
          Additional  Information  for  more  detail  on  distribution  at death
          requirements.

Penalty Tax on Premature Distributions. A 10% penalty tax applies to the taxable
amount of any premature distribution from a non-Qualified  Contract. The penalty
tax generally  applies to any distribution made prior to the date you attain age
59 1/2. However, no penalty tax is incurred on distributions:

     1)   made on or after the date the Contract owner attains age 59 1/2;

     2)   made as a result of the Contract owner's death or disability;

     3)   made in  substantially  equal  periodic  payments  over  the  Contract
          owner's life or life expectancy,

     4)   made under an immediate  annuity,  or 5) attributable to investment in
          the Contract before August 14, 1982.


You should consult a competent tax advisor to determine if any other  exceptions
to the  penalty  apply  to your  situation.  Similar  exceptions  may  apply  to
distributions from Qualified Contracts.

Aggregation of Annuity Contracts.  All non-qualified  deferred annuity contracts
issued by Glenbrook (or its  affiliates)  to the same Contract  owner during any
calendar  year will be  aggregated  and  treated  as one  annuity  contract  for
purposes of determining the taxable amount of a distribution.


Tax Qualified Contracts

Contracts may be used as investments with certain qualified plans such as:

     o    Individual  Retirement  Annuities or Accounts (IRAs) under Section 408
          of the Code;
     o    Roth IRAs under Section 408A of the Code;
     o    Simplified Employee Pension Plans under Section 408(k) of the Code;
     o    Savings  Incentive  Match  Plans for  Employees  (SIMPLE)  Plans under
          Section 408(p) of the Code;
     o    Tax Sheltered Annuities under Section 403(b) of the Code;
     o    Corporate and Self Employed Pension and Profit Sharing Plans; and
     o    State  and  Local  Government  and  Tax-Exempt  Organization  Deferred
          Compensation Plans.

In the case of certain  qualified  plans,  the terms of the plans may govern the
right to benefits, regardless of the terms of the Contract.

Restrictions  Under Section  403(b) Plans.  Section  403(b) of the Code provides
tax-deferred  retirement  savings plans for employees of certain  non-profit and
educational organizations.  Under Section 403(b), any Contract used for a 403(b)
plan  must  provide  that   distributions   attributable  to  salary   reduction
contributions made after December 31, 1998, and all earnings on salary reduction
contributions, may be made only:

     1)   on or after the date of employee

          o    attains age 59 1/2,

          o    separates from service,

          o    dies,

          o    becomes disabled, or

     2)   on account of hardship (earnings on salary reduction contributions may
          not be distributed on account of hardship).

These  limitations  do not apply to withdrawals  where  Glenbrook is directed to
transfer some or all of the Contract Value to another 403(b) plan.

INCOME TAX WITHHOLDING

Glenbrook  is required to  withhold  federal  income tax at a rate of 20% on all
"eligible rollover  distributions"  unless you elect to make a "direct rollover"
of  such  amounts  to an IRA or  eligible  retirement  plan.  Eligible  rollover
distributions  generally  include all  distributions  from Qualified  Contracts,
excluding IRAs, with the exception of:

     1)   required minimum distributions, or

     2)   a series of substantially  equal periodic  payments made over a period
          of at least 10 years, or,

     3)   over the life (joint lives) of the participant (and beneficiary).

Glenbrook  may be  required to withhold  federal and state  income  taxes on any
distributions from non-Qualified  Contracts or Qualified  Contracts that are not
eligible  rollover  distributions,  unless you notify us of your election to not
have taxes withheld.



<PAGE>



ANNUAL REPORTS AND OTHER DOCUMENTS

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

Glenbrook's  annual report on Form 10-K for the year ended  December 31, 1998 is
incorporated herein by reference,  which means that it is legally a part of this
prospectus.

After the date of this  prospectus  and before we terminate  the offering of the
securities under this prospectus,  all documents or reports we file with the SEC
under the Exchange Act are also  incorporated  herein by reference,  which means
that they also legally become a part of this prospectus.

Statements in this  prospectus,  or in documents that we file later with the SEC
and that  legally  become a part of this  prospectus,  may  change or  supersede
statements  in  other  documents  that  are  legally  part of  this  prospectus.
Accordingly,  only the  statement  that is changed or replaced will legally be a
part of this prospectus.

We file our  Exchange  Act  documents  and  reports,  including  our  annual and
quarterly reports on Form 10-K and Form 10-Q electronically on the SEC's "EDGAR"
system using the identifying number CIK No. 0000947878.  The SEC maintains a Web
site  that  contains  reports,   proxy  and  information  statements  and  other
information  regarding  registrants that file  electronically  with the SEC. The
address of the site is http://www.sec.gov.  You also can view these materials at
the SEC's Public  Reference  Room at 450 Fifth Street,  N.W.,  Washington,  D.C.
20549.  For more  information on the operations of SEC's Public  Reference Room,
call 1-800-SEC-0330.

If you have  received a copy of this  prospectus,  and would like a free copy of
any  document   incorporated  herein  by  reference  (other  than  exhibits  not
specifically incorporated by reference into the text of such documents),  please
write or call us at P.O. Box 94039,  Palatine,  Illinois 60094-4039  (telephone:
1-800-776-6978).





<PAGE>



PERFORMANCE INFORMATION

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


We may advertise the performance of the Variable  Sub-Accounts,  including yield
and total  return  information.  Yield  refers  to the  income  generated  by an
investment  in a Variable  Sub-Account  over a specified  period.  Total  return
represents  the  change,  over a  specified  period of time,  in the value of an
investment in a Variable Sub-Account after reinvesting all income distributions

All performance  advertisements will include, as applicable,  standardized yield
and total return  figures that reflect the deduction of insurance  charges,  the
contract maintenance charge, and withdrawal charge.  Performance  advertisements
also may include  total return  figures that reflect the  deduction of insurance
charges,  but not the contract  maintenance or withdrawal charges. The deduction
of such charges would reduce the  performance  shown.  In addition,  performance
advertisements may include aggregate,  average,  year-by-year, or other types of
total return figures.

Performance  information for periods prior to the inception date of the Variable
Sub-Accounts  will be based on the historical  performance of the  corresponding
Funds  for the  periods  beginning  with the  inception  dates of the  Funds and
adjusted to reflect current  Contract  expenses.  You should not interpret these
figures to reflect actual historical performance of the Variable Account.

We may include in  advertising  and sales  materials  tax  deferred  compounding
charts and other  hypothetical  illustrations that compare currently taxable and
tax  deferred   investment   programs  based  on  selected  tax  brackets.   Our
advertisements  also may compare the  performance  of our Variable  Sub-Accounts
with: (a) certain unmanaged market indices, including but not limited to the Dow
Jones  Industrial  Average,  the Standard & Poor's 500, and the Shearson  Lehman
Bond Index;  and/or (b) other  management  investment  companies with investment
objectives  similar to the underlying  funds being  compared.  In addition,  our
advertisements   may  include  the  performance   ranking  assigned  by  various
publications,  including  the  Wall  Street  Journal,  Forbes,  Fortune,  Money,
Barron's,  Business Week, USA Today, and statistical services,  including Lipper
Analytical  Services  Mutual Fund Survey,  Lipper Annuity and Closed End Survey,
the Variable Annuity Research Data Survey, and SEI.


EXPERTS

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

The  financial   statements  and  the  related  financial   statement   schedule
incorporated in this prospectus by reference from  Glenbrook's  Annual Report on
Form 10-K for the year ended  December  31, 1998 have been audited by Deloitte &
Touche  LLP,  independent   auditors,  as  stated  in  their  report,  which  is
incorporated herein by reference, and have been so incorporated in reliance upon
the report of such firm given upon their  authority as experts in accounting and
auditing.

<PAGE>

<TABLE>
<CAPTION>

                                  APPENDIX A
           Accumulation Unit Value and Number of Accumulation Units
          Outstanding for Each Variable Sub-Account Since Inception



<S>                                                        <C>           <C>             <C>            <C>
For the Years Beginning January 1* and Ending December 31     1995         1996           1997            1998
                                                              ----         ----           ----            ----
December 31

AIM V.I. AGGRESSIVE GROWTH SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                   -             -               -          $  10.000
Accumulation Unit Value, End of Period                         -             -               -          $   9.810
Number of Units Outstanding, End of Period                     -             -               -            163,537

AIM V.I. BALANCED SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                   -             -               -          $  10.000
Accumulation Unit Value, End of Period                         -             -               -          $  11.193
Number of Units Outstanding, End of Period                     -             -               -            244,603

AIM V.I. CAPITAL DEVELOPMENT SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                   -             -               -          $  10.000
Accumulation Unit Value, End of Period                         -             -               -          $   9.160
Number of Units Outstanding, End of Period                     -             -               -            126,384

AIM V.I. HIGH YIELD SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                   -              -              -          $  10.000
Accumulation Unit Value, End of Period                         -              -              -          $   9.141
Number of Units Outstanding, End of Period                     -              -              -            170,679

AIM V.I. CAPITAL APPRECIATION SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period               $10.000       $   9.827       $  11.387      $  12.739
Accumulation Unit Value, End of Period                     $ 9.827       $  11.387          12.739         14.979
Number of Units Outstanding, End of Period                     996       4,471,775       7,850,032      8,770,421

AIM V.I. DIVERSIFIED INCOME SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period               $10.000       $  10.068       $  10.934      $  11.788
Accumulation Unit Value, End of Period                     $10.068       $  10.934       $  11.788      $  12.035
Number of Units Outstanding, End of Period                       0         747,505       1,950,608      2,301,209

AIM V.I. GLOBAL UTILITIES SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period               $10.000       $  10,209       $  11.276      $  13.518
Accumulation Unit Value, End of Period                      10,209       $  11.276       $  13.518      $  15.534
Number of Units Outstanding, End of Period                       0         163,534         426,581        630,811

AIM V.I. GOVERNMENT SECURITIES SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period               $10.000       $  10.082       $  10.164      $  10.835
Accumulation Unit Value, End of Period                     $10.082       $  10.164       $  10.835      $  11.484
Number of Units Outstanding, End of Period                       0         263,768         550,452        912,586

AIM V.I. GROWTH SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period               $10.000       $   9.852       $  11.466      $  14.338
Accumulation Unit Value, End of Period                       9.852          11.466          14.388      $  18.954
Number of Units Outstanding, End of Period                     104       2,070,239       4,031,175      5,170,994

AIM V.I. GROWTH AND INCOME SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period               $10.000       $   9.897       $  11.699      $  14.496
Accumulation Unit Value, End of Period                     $ 9.897       $  11.699       $  14.496      $  18.243
Number of Units Outstanding, End of Period                     103       2,425,462       5,374,119      6,935,245

AIM V.I. INTERNATIONAL EQUITY SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period               $10.000       $  10.103       $  11.953      $  12.598
Accumulation Unit Value, End of Period                     $10.103       $  11.953       $  12.598         14.340
Number of Units Outstanding, End of Period                     936       1,969,297       3,667,815      3,847,934

AIM V.I. MONEY MARKET SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period               $10.000       $  10.023       $  10.369         10.745
Accumulation Unit Value, End of Period                     $10.023       $  10.369       $  10.745      $  11.125
Number of Units Outstanding, End of Period                       0         894,947       1,291,169      1,389,344

AIM V.I. VALUE SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period               $10.000       $   9.783       $  11.090      $  13.520
Accumulation Unit Value, End of Period                     $ 9.783       $  11.090       $  13.520      $  17.644
Number of Units Outstanding, End of Period                     966       3,528,353       7,294,719      9,222,186
</TABLE>

* All Variable  Sub-Accounts  commenced operations on December 4, 1995, with the
exception of the AIM V.I. Aggressive Growth, Balanced, Capital Development,  and
High Yield Sub-Accounts, which commenced operations on May 1, 1998.



<PAGE>


                                [back cover]


                                  APPENDIX B

                           MARKET VALUE ADJUSTMENT



The Market Value Adjustment is based on the following:

      I = the Treasury  Rate for a maturity  equal to the  applicable  Guarantee
      Period for the week preceding the establishment of the Guarantee Period.

      N = the number of whole and  partial  years  from the date we receive  the
      withdrawal,  transfer,  or death benefit request, or from the Payout Start
      Date, to the end of the Guarantee Period; and

      J = the  Treasury  Rate for a maturity of length N for the week  preceding
      the receipt of the withdrawal,  transfer, death benefit, or income payment
      request. If a note for a maturity of length N is not available, a weighted
      average  will be  used.  If N is one year or  less,  J will be the  1-year
      Treasury rate.

      "Treasury Rate" means the U.S. Treasury Note Constant Maturity Yield as
      reported in Federal Reserve Bulletin Release H.15.

The Market Value Adjustment factor is determined from the following formula:

                               .9 X (I - J) X N

To determine  the Market  Value  Adjustment,  we will  multiply the Market Value
Adjustment  factor by the amount  transferred,  withdrawn (in excess of the Free
Withdrawal Amount),  paid as a death benefit, or applied to an Income Plan, from
a Guarantee  Period at any time other than  during the 30 day period  after such
Guarantee Period expires.


<PAGE>



<TABLE>
<CAPTION>

                       EXAMPLES OF MARKET VALUE ADJUSTMENT

Purchase Payment:             $10,000 allocated to a Guarantee Period
Guarantee Period:             5 years
Treasury Rate (at the
  time the Guarantee
  Period was established):    4.50%
Full Surrender:               End of Contract Year 3


NOTE: These examples assume that premium taxes are not applicable.

                  EXAMPLE 1: (Assumes declining interest rates)


<S>       <C>                                                         <C>
Step 1.   Calculate Contract Value at End of Contract Year 3:         $10,000.00 X (1.0450)3 = $11,411.66



Step 2.   Calculate the Free Withdrawal Amount:                       .10 X $10,000.00 = $1,000.00



Step 3.   Calculate the Withdrawal Charge:                            .05 X ($10,000.00 - $1,000.00) = $450.00



Step 4.   Calculate the Market Value Adjustment:                      I    =    4.5%
                                                                      J    =    4.2%

                                                                                730 Days
                                                                                --------
                                                                      N    =    365 days = 2

                                                                      Market  Value  Adjustment  Factor:  .9 X(I-J) X N

                                                                      = .9 X (.045 - .042) X (2) = .0054

                                                                      Market Value Adjustment = Market Value Adjustment
                                                                      Factor X Amount Subject to Market Value Adjustment:

                                                                      =  .0054 X ($11,411.66-$1,000) = $56.22

Step 5.   Calculate the amount received by Contract owner as
result of full withdrawal at the end of Contract Year 3:              $11,411.66-$450.00+$ 56.22  = $11,017.88


</TABLE>


<PAGE>


<TABLE>
<CAPTION>

                   EXAMPLE 2: (Assumes rising interest rates)


<S>       <C>                                                         <C>
Step 1.   Calculate Contract Value at End of Year 3:                  $10,000.00 X  (1.045)3 = $11,411.66 Contract Year 3:


Step 2.   Calculate the Free Withdrawal Amount:                       .10 X ($10,000.00) = $1,000.00


Step 3.   Calculate the Withdrawal Charge:                            .05 X ($10,000.00 - $1,000.00) = $450.00


Step 4.   Calculate the Market Value Adjustment                       I    =    4.5%
                                                                      J    =    4.8%

                                                                                730 days
                                                                                --------
                                                                      N    =    365 days = 2

                                                                      Market Value  Adjustment  Factor:  .9 X (I-J) X N

                                                                      = .9 X (.045 - .048) X (2) = -.0054


                                                                      Market Value  Adjustment = Market Value Adjustment
                                                                      Factor X Amount  Subject to Market Value Adjustment

                                                                      = -.0054 X  ($11,411.66  - $1,000.00) = - $56.22



Step 5.   Calculate the amount received by Contract owner as a                           $11,411.66   -   $450.00   -   56.22  =
result of full withdrawal at the end of Contract Year 3:              $11,411.66 - $450.00 - 56.22 = $10,905.44
</TABLE>




<PAGE>




                       STATEMENT OF ADDITIONAL INFORMATION
                                TABLE OF CONTENTS


 Description

 Additions, Deletions or Substitutions of Investments.....................
 The Contract.............................................................
          Purchases.......................................................
          Tax-free Exchanges (1035 Exchanges, Rollovers and Transfers)....
 Performance Information..................................................
 Calculation of Accumulation Unit Values..................................
 Calculation of Variable Income Payments..................................
 General Matters..........................................................
          Incontestability................................................
          Settlements.....................................................
          Safekeeping of the Variable Account's Assets....................
          Premium Taxes...................................................
          Tax Reserves....................................................
 Federal Tax Matters......................................................
 Qualified Plans..........................................................
 Experts..................................................................
 Financial Statements.....................................................





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such offering may not lawfully be made.  We do not  authorize  anyone to provide
any  information  or  representations  regarding the offering  described in this
prospectus other than as contained in this prospectus.

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