GLENBROOK LIFE & ANNUITY CO
POS AM, 2000-04-21
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 AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON APRIL 21, 2000
- --------------------------------------------------------------------------------

                                                              FILE NO. 033-62193

                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                         POST-EFFECTIVE AMENDMENT NO. 5

                                       ON

                                    FORM S-3

           REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933

                        GLENROOK LIFE AND ANNUITY COMPANY

                           (Exact Name of Registrant)

                ARIZONA                          35-1113325
     (State or Other Jurisdiction             (I.R.S. Employer
          of Incorporation or              Identification Number)
             Organization)

                3100 SANDERS ROAD, NORTHBROOK, ILLINOIS 60062
                                  847-402-2400

           (Address and Phone Number of Principal Executive Office)

                               MICHAEL J. VELOTTA
                  VICE PRESIDENT, SECRETARY AND GENERAL COUNSEL
                       GLENBROOK LIFE AND ANNUITY COMPANY

                                3100 SANDERS ROAD

                           NORTHBROOK, ILLINOIS 60062
                                  847-402-2400

      (Name, Complete Address and Telephone Number of Agent for Service)

                                   COPIES TO:
      RICHARD T. CHOI, ESQUIRE                  TERRY R. YOUNG, ESQUIRE
   FREEDMAN, LEVY, KROLL & SIMONDS                    ALFS, INC.
    1050 CONNECTICUT AVENUE, N.W.                  3100 SANDERS ROAD
              SUITE 825                           NORTHBROOK, IL 60062
     WASHINGTON, D.C. 20036-5366

Approximate  date of  commencement  of proposed sale to the public:  The annuity
contract  covered by this  registration  statement is to be issued  promptly and
from time to time after the effective date of this registration statement.

If any of the  securities  being  registered on this Form are to be offered on a
delayed or continuous  basis  pursuant to Rule 415 under the  Securities  Act of
1933, other than securities offered only in connection with dividend or interest
reinvestment plans, check the following box: /X/

<PAGE>

                THE AIM LIFETIME PLUS(sm) VARIABLE ANNUITY

Glenbrook Life and Annuity Company                  Prospectus dated May 1, 2000
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  18  investment   alternatives   ("investment
alternatives").  The  Investment  Alternatives  include a fixed  account  option
("Fixed Account") and 17 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:
<TABLE>
<S>     <C>                                             <C>

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. Blue Chip Fund                      AIM V.I. Growth and Income Fund
AIM V.I. Capital Appreciation Fund           AIM V.I. High Yield Fund
AIM V.I. Capital Development Fund            AIM V.I. International Equity Fund
AIM V.I. Dent Demographic Trends Fund        AIM V.I. Money Market Fund
AIM V.I. Diversified Income Fund             AIM V.I. Telecommunications and
AIM V.I. Global Growth and Income Fund                          Technology Fund*
AIM V.I. Global Utilities Fund               AIM V.I. Value Fund

</TABLE>

*Effective   May  1,   2000,   the  Fund   changed   its  name   from  AIM  V.I.
Telecommunications  Fund to AIM V.I.  Telecommunications  and Technology Fund to
reflect changes in its investment policies.  We have made a corresponding change
in the name of the Variable Sub-Account that invests in that Fund.

We (Glenbrook)  have filed a Statement of Additional  Information,  dated May 1,
2000,  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..........................
Overview             The Contract At A Glance.................
                     How the Contract Works...................
                     Expense Table............................
                     Financial Information....................

                     The Contract.............................
                     Purchases................................
                     Contract Value...........................
                     Investment Alternatives..................
                                The Variable Sub-Accounts.....
                                The Fixed Account.............
                                Transfers.....................
Contract             Expenses.................................
Features             Access To Your Money.....................
                     Income Payments..........................
                     Death Benefits...........................

                     More Information:........................
                                Glenbrook.....................
                                The Variable Account..........
                                The Funds.....................
Other                           The Contract..................
Information                     Qualified Plans...............
                                Legal Matters.................
                                Year 2000.....................
                     Taxes....................................
                     Annual Reports and Other Documents.......
                     Performance Information..................
                     Experts..................................
                     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..............................................
Accumulation Unit...............................................
Accumulation Unit Value.........................................
Anniversary Value...............................................
Annuitant.......................................................
Automatic Fund Rebalancing Program..............................
Automatic Additions Program.....................................
Beneficiary.....................................................
Cancellation Period.............................................
*Contract.......................................................
Contract Anniversary............................................
Contract Owner ("You")..........................................
Contract Value..................................................
Contract Year.........  ........................................
Death Benefit Anniversary.......................................
Dollar Cost Averaging Program...................................
Due Proof of Death..............................................
Enhanced Death Benefit Options..................................
Fixed Account...................................................
Free Withdrawal Amount..........................................
Funds...........................................................
Glenbrook ("We")................................................
Guarantee Periods...............................................
Income Plan.....................................................
Investment Alternatives.........................................
Issue Date......................................................
Market Value Adjustment.........................................
Payout Phase....................................................
Payout Start Date...............................................
Qualified Contracts.............................................
Right to Cancel.................................................
SEC.............................................................
Settlement Value................................................
Systematic Withdrawal Program...................................
Treasury Rate...................................................
Valuation Date..................................................
Variable Account................................................
Variable Sub-Account............................................

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

<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 $1,000.

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 federal or 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 18 investment alternatives
                               including:

                                o The Fixed Account  (which credits  interest
                                  at rates we  guarantee),  and
                                o 17 Variable  Sub-Accounts  investing in Funds
                                  offering  professional
                                o money nagement 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
                               o 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. Full or partial withdrawals are
                               available under limited circumstances on or after
                               the Payout Start Date.

<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 18 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 __.  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>
<S>                     <C>                     <C>                      <C>                     <C>

Issue                                         Payout Start
Date               Accumulation Phase             Date                        Payout Phase
- ------------------------------------------------------------------------------------------------------
                You save for retirement

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
<TABLE>
<S>     <C>                                <C>    <C>    <C>    <C>      <C>    <C>    <C>    <C>

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***
</TABLE>

               * 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>

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

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

AIM V.I. Aggressive Growth Fund (2)                        0.00%           1.19%               1.19%
AIM V.I. Balanced Fund (2)                                 0.65%           0.56%               1.21%
AIM V.I. Blue Chip Fund                                    0.75%           0.55%               1.30%
AIM V.I. Capital Appreciation Fund                         0.62%           0.11%               0.73%
AIM V.I. Capital Development Fund (2)                      0.00%           1.23%               1.23%
AIM V.I. Dent Demographic Trends Fund                      0.85%           0.55%               1.40%
AIM V.I. Diversified Income Fund                           0.60%           0.23%               0.83%
AIM V.I. Global Growth and Income Fund(2)                  0.97%           0.37%               1.34%
AIM V.I. Global Utilities Fund                             0.65%           0.49%               1.14%
AIM V.I. Government Securities Fund                        0.50%           0.40%               0.90%
AIM V.I. Growth Fund                                       0.63%           0.10%               0.73%
AIM V.I. Growth and Income Fund                            0.61%           0.16%               0.77%
AIM V.I. High Yield Fund(2)                                0.35%           0.79%               1.14%
AIM V.I. International Equity Fund                         0.75%           0.22%               0.97%
AIM V.I. Money Market Fund                                 0.40%           0.20%               0.60%
AIM V.I. Telecommunications and Technology Fund            1.00%           0.27%               1.27%
AIM V.I. Value Fund                                        0.61%           0.15%               0.76%
</TABLE>

(1)  Figures shown in the table are for the year ended December 31, 1999, except
     for the AIM V.I.  Blue Chip,  Dent  Demographic  Trends,  Global Growth and
     Income,  and   Telecommunications  and  Technology  Funds  which  commenced
     operations  on December 29, 1999,  December 29, 1999,  October 15, 1999 and
     October 15, 1999  respectively.  For these Funds, the management fee, other
     expenses  and total annual fund  operating  expenses are based on estimates
     for the Funds' first full fiscal year.

(2)  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:

<TABLE>
<CAPTION>

                                                    Management       Other      Total Annual
Fund                                                    Fee        Expenses     Fund Expenses
<S>                                                    <C>           <C>          <C>
AIM V.I. Aggressive Growth Fund                        0.80%         1.62%        2.42%
AIM V.I. Balanced Fund                                 0.75%         0.56%        1.31%
AIM V.I. Capital Development Fund                      0.75%         2.67%        3.42%
AIM V.I. Global Growth and Income Fund                 1.00%         0.37%        1.37%
AIM V.I. High Yield Fund                               0.63%         0.79%        1.42%

</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.
<TABLE>
<S>     <C>                                         <C>       <C>           <C>           <C>

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

   AIM V.I. Aggressive Growth                     $94          $167         $241        $421
   AIM V.I. Balanced                              $83          $133         $187        $317
   AIM V.I. Blue Chip                             $83          $133         $186        $316
   AIM V.I. Capital Appreciation                  $77          $116         $157        $259
   AIM V.I. Capital Development                   $105         $196         $288        $504
   AIM V.I. Dent Demographic Trends               $84          $136         $191        $326
   AIM V.I. Diversified Income                    $78          $119         $162        $269
   AIM V.I. Global Growth and Income              $84          $138         $194        $331
   AIM V.I. Global Utilities                      $81          $128         $178        $301
   AIM V.I. Government Securities                 $79          $121         $166        $276
   AIM V.I. Growth                                $77          $116         $157        $259
   AIM V.I. Growth and Income                     $77          $117         $159        $263
   AIM V.I. High Yield                            $84          $137         $192        $328
   AIM V.I. International Equity                  $79          $123         $169        $283
   AIM V.I. Money Market                          $76          $112         $150        $245
   AIM V.I. Telecommunications and Technology     $84          $137         $193        $330
   AIM V.I. Value                                 $77          $117         $158        $262
</TABLE>

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.
<TABLE>
<S>     <C>                                      <C>            <C>           <C>         <C>

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


   AIM V.I. Aggressive Growth                      $40          $122         $205        $421
   AIM V.I. Balanced                               $29           $88         $151        $317
   AIM V.I. Blue Chip                              $29           $88         $150        $316
   AIM V.I. Capital Appreciation                   $23           $71         $121        $259
   AIM V.I. Capital Development                    $51          $151         $252        $504
   AIM V.I. Dent Demographic Trends                $30           $91         $155        $326
   AIM V.I. Diversified Income                     $24           $74         $126        $269
   AIM V.I. Global Growth and Income               $30           $93         $158        $331
   AIM V.I. Global Utilities                       $27           $83         $142        $301
   AIM V.I. Government Securities                  $25           $76         $130        $276
   AIM V.I. Growth                                 $23           $71         $121        $259
   AIM V.I. Growth and Income                      $23           $71         $121        $259
   AIM V.I. High Yield                             $30           $92         $156        $328
   AIM V.I. International Equity                   $25           $78         $133        $283
   AIM V.I. Money Market                           $22           $67         $114        $245
   AIM V.I. Telecommunications and Technology      $30           $92         $157        $330
   AIM V.I. Value                                  $23           $72         $122        $262

</TABLE>

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 the last surviving Contract owner dies 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 age  determines  the latest Payout Start
Date and 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


<PAGE>

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 have 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 the assignor signs it and files 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 of at least $500 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.

MINIMUM AND MAXIMUM ALLOWABLE AGE

You can  purchase a Contract if you are between your states' age of majority and
90. If the owner is a non-natural person, then the Annuitant must be between the
ages of 0 and 90.

AUTOMATIC ADDITIONS PROGRAM

You may make additional  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  reserve  the right to limit the
availability of the Investment Alternatives.

We  will  allocate  your   additional   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 additional purchase payments to the Contract at
the close of the business  day on which we receive the  purchase  payment at our
headquarters.

We use the term  "business  day" to refer to 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  federal or 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

On the  Issue  Date,  your  Contract  Value is equal  to your  initial  purchase
payment.  Thereafter,  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 or
transfer 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 or  transfer.  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  the
Accumulation Unit Value. Instead, we obtain payment of those charges and fees by
redeeming  Accumulation  Units. For details on how we compute  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 17 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.
<TABLE>
<S>     <C>                                                      <C>

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. Blue Chip Fund                                       Long-term growth of capital with
                                                              secondary objective of current income

AIM V.I. Capital Appreciation Fund                            Growth of capital

AIM V.I. Capital Development Fund                             Long-term growth of capital

AIM V.I. Dent Demographic Trends Fund                         Long-term growth of capital.

AIM V.I. Diversified Income Fund                              High level of current income

AIM V.I. Global Growth and Income Fund                        Long-term growth of capital together
                                                              with 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. Telecommunications and Technology Fund               Long-term growth of capital

AIM V.I. Value Fund                                           Long-term growth of capital

</TABLE>

      *  A funds investment objective may be  changed  by the  Funds  Board of
         Trustees without shareholders approval.

      ** 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 may 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  guaranteed 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>
<S>     <C>                                      <C>          <C>         <C>            <C>          <C>


                                                           END OF CONTRACT YEAR

                                                YEAR 1       YEAR 2      YEAR 3        YEAR 4        YEAR 5
                                                ------       ------      ------        ------        ------

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.
<PAGE>

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 (a Market Value
Adjustment made upon payment of a death benefit, if any, would be positive), 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 __,

        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 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.  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


<PAGE>

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.

EXCESSIVE TRADING LIMITS

For  Contracts  issued on or after May 1, 2000,  we  reserve  the right to limit
transfers in any Contract year, or to refuse any transfer request for a Contract
owner or certain Contract owners, if:

         o we  believe,  in our sole  discretion,  that  excessive  trading  by
           such Contract  owner or  owners,  or a  specific  transfer  request
           or group of transfer  requests,  may have a detrimental effect on
           the Accumulation Unit Values of any Variable Sub-Account or the share
           prices of the corresponding Funds or would be to the disadvantage of
           other Contract owners; or

         o we are  informed  by one or more of the  corresponding  Funds  that
           they  intend to restrict the  purchase or  redemption  of Fund shares
           because of excessive  trading or because  they  believe  that a
           specific  transfer  or groups of transfers  would have a detrimental
           effect on the prices of Fund shares.

We may apply the  restrictions  in any  manner  reasonably  designed  to prevent
transfers that we consider disadvantageous to other contract owners.

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.  Money you
allocate to the Fixed Account will not be included in the rebalancing.

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  processing  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 average 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 date we
received the purchase payment being withdrawn. A


<PAGE>

schedule showing how the charge declines appears on page ___, 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,
earnings  are  considered  to come out first,  which  means you pay taxes on the
earnings portion of your withdrawal.

<PAGE>

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 the death of the Contract owner or Annuitant  (unless the settlement
          value is used);
        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 (as
        defined in the Contract)  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 due proof (as
        defined in the Contract)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

<PAGE>

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, if applicable,  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. For a summary of
current  estimates of those  charges and expenses,  see pages ___ 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 __.

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(s)  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, we may require you to 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.

<PAGE>

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, and 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  Contract  Value,  adjusted  by any  Market  Value
Adjustment  and less any applicable  taxes,  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. After the Payout Start Date, you may not make
withdrawals (except as described below) or change your choice of Income Plan.

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 the  Variable  Sub-Account  assets that  support  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

<PAGE>

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 all or part of 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  associated with the amount withdrawn.
The minimum amount you may withdraw  under this feature is $1,000.  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,  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
<PAGE>

       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(ies). In the case of the death of an
Annuitant, we will pay the death benefit to the current Contract Owner.

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 (a Market Value Adjustment, if any, made
upon payment of a death benefit would be positive). 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.

We will  determine the value of the death benefit as of the end of the Valuation
Date on which we  receive  a  complete  request  for the  payment  of the  death
benefit.  If we receive a request  after 3:00 p.m.  Central  Time on a Valuation
Date, we will process the request as of the end of the following Valuation Date.

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.

<PAGE>

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 the enhanced death benefit option is purchased and 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 the State 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 17 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,

<PAGE>

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.  ALFS, Inc.* ("ALFS"),  located at 3100 Sanders Road,  Northbrook,
Illinois 60062-7154, serves as principal underwriter 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.

*Effective May 1, 2000, Allstate Life Financial Services, Inc. was renamed ALFS,
Inc.
<PAGE>

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 dministrative
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.

<PAGE>

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
have failed to operate  properly in or after the year 1999,  if the software was
not reprogrammed or replaced ("Year 2000 Issue").  Glenbrook  believes that many
of its  counterparties  and suppliers  also had potential Year 2000 Issues which
could affect  Glenbrook.  In 1995,  Allstate  Insurance Company commenced a four
phase plan intended to mitigate  and/or prevent the adverse effects of Year 2000
Issues.  These strategies included 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  included  Glenbrook  actively  working with its major
external  counterparties  and suppliers to assess their  compliance  efforts and
Glenbrook's  exposure to them.  Because of the  accuracy  of this plan,  and its
timely completion,  Glenbrook has experienced no material impacts on its results
of operations,  liquidity or financial position due to the Year 2000 issue. Year
2000 costs are 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.

<PAGE>

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.

<PAGE>

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.  The  income on
qualified plan and IRA  investments is tax deferred and variable  annuities held
by such plans do not receive any additional tax deferral.  You should review the
annuity  features,  including all benefits and  expenses,  prior to purchasing a
variable  annuity in a qualified  plan or IRA.  Glenbrook  reserves the right to
limit the  availability  of the Contract for use with any of the qualified plans
listed above.

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, 1999 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.

<PAGE>

EXPERTS

The financial  statements and related financial  statement schedule of Glenbrook
Life and Annuity  Company as of  December  31, 1999 and 1998 and for each of the
three years in the period ended December 31, 1999, which are incorporated herein
by reference,  have been audited by Deloitte & Touche LLP, independent auditors,
as stated in their report,  which are incorporated herein by reference,  and are
included in reliance upon the report of such firm given upon their  authority as
experts in accounting and auditing.

The financial  statements of the Variable  Account as of December 31, 1999,  and
for each of the  periods  in the two years  then  ended,  which is  incorporated
herein by  reference,  have been  audited by Deloitte & Touche LLP,  independent
auditors,  as stated in their report which is incorporated  herein by reference,
and is so  included  in  reliance  upon the report of such firm given upon their
authority as experts in accounting and auditing.

<PAGE>

                                   APPENDIX A

            Accumulation Unit Value and Number of Accumulation Units

            Outstanding for Each Variable Sub-Account Since Inception
<TABLE>
<S>     <C>                                                      <C>            <C>             <C>             <C>           <C>

For the Years Beginning January 1* and Ending December 31        1995          1996            1997             1998         1999
                                                                 ----          ----            ----             ----         ----
December 31

AIM V.I. AGGRESSIVE GROWTH SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                      -              -                -             $10.000     $9.810
Accumulation Unit Value, End of Period                            -              -                -              $9.810    $13.988
Number of Units Outstanding, End of Period                        -              -                -             163,537    247,763

AIM V.I. BALANCED SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                      -              -                -             $10.000    $11.193
Accumulation Unit Value, End of Period                            -              -                -             $11.193    $13.162
Number of Units Outstanding, End of Period                        -              -                -             244,603    297,688

AIM V.I. BLUE CHIP  SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                      -              -                -                   -         -
Accumulation Unit Value, End of Period                            -              -                -                   -         -
Number of Units Outstanding End of Period                         -              -                -                   -         -

AIM V.I. CAPITAL APPRECIATION SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                  $10.000           $9.827          $11.387         $12.739    $14.979
Accumulation Unit Value, End of Period                         $9.827          $11.387          $12.739         $14.979    $21.350
Number of Units Outstanding, End of Period                        996        4,471,775        7,850,032       8,770,421  7,460,389

AIM V.I. CAPITAL DEVELOPMENT SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                      -              -                -             $10.000     $9.160
Accumulation Unit Value, End of Period                            -              -                -              $9.160    $11.655
Number of Units Outstanding, End of Period                        -              -                -             126,384    104,456

AIM V.I. DENT DEMOGRAPHIC TRENDS SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                      -              -                -                   -          -
Accumulation Unit Value, End of Period                            -              -                -                   -          -
Number of Units Outstanding End of Period                         -              -                -                   -          -

AIM V.I. DIVERSIFIED INCOME SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                  $10.000          $10.068          $10.934         $11.788    $12.035
Accumulation Unit Value, End of Period                        $10.068          $10.934          $11.788         $12.035    $11.633
Number of Units Outstanding, End of Period                          0          747,505        1,950,608       2,301,209  1,949,974

AIM V.I. GLOBAL GROWTH AND INCOME SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                      -              -                -                   -         -
Accumulation Unit Value, End of Period                            -              -                -                   -         -
Number of Units Outstanding End of Period                         -              -                -                   -         -

AIM V.I. GLOBAL UTILITIES SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                  $10.000          $10,209          $11.276         $13.518    $15.534
Accumulation Unit Value, End of Period                        $10,209          $11.276          $13.518         $15.534    $20.432
Number of Units Outstanding, End of Period                          0          163,534          426,581         630,811    604,243

AIM V.I. GOVERNMENT SECURITIES SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                  $10.000          $10.082          $10.164         $10.835    $11.484
Accumulation Unit Value, End of Period                        $10.082          $10.164          $10.835         $11.484    $11.189
Number of Units Outstanding, End of Period                          0          263,768          550,452         912,586    791,933

AIM V.I. GROWTH SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                  $10.000           $9.852          $11.466         $14.338    $18.954
Accumulation Unit Value, End of Period                         $9.852          $11.466          $14.388         $18.954    $25.263
Number of Units Outstanding, End of Period                        104        2,070,239        4,031,175       5,170,994  4,664,892

AIM V.I. GROWTH AND INCOME SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                  $10.000           $9.897          $11.699         $14.496    $18.243
Accumulation Unit Value, End of Period                         $9.897          $11.699          $14.496         $18.243    $24.138
Number of Units Outstanding, End of Period                        103        2,425,462        5,374,119       6,935,245  6,476,240

AIM V.I. HIGH YIELD SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                      -               -               -             $10.000     $9.141
Accumulation Unit Value, End of Period                            -               -               -              $9.141     $9.957
Number of Units Outstanding, End of Period                        -               -               -             170,679    207,626

AIM V.I. INTERNATIONAL EQUITY SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                  $10.000          $10.103          $11.953         $12.598    $14.340
Accumulation Unit Value, End of Period                        $10.103          $11.953          $12.598         $14.340    $21.914
Number of Units Outstanding, End of Period                        936        1,969,297        3,667,815       3,847,934  3,482,659
<PAGE>

For the Years Beginning January 1* and Ending December 31        1995          1996            1997             1998          1999
                                                                 ----          ----            ----             ----          ----
December 31

AIM V.I. MONEY MARKET SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                  $10.000          $10.023          $10.369         $10.745    $11.125
Accumulation Unit Value, End of Period                        $10.023          $10.369          $10.745         $11.125    $11.479
Number of Units Outstanding, End of Period                          0          894,947        1,291,169       1,389,344  1,636,925

AIM V.I. TELECOMMUNICATIONS SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                      -              -                -                   -         -
Accumulation Unit Value, End of Period                            -              -                -                   -         -
Number of Units Outstanding End of Period                         -              -                -                   -         -

AIM V.I. VALUE SUB-ACCOUNT
Accumulation Unit Value, Beginning of Period                  $10.000           $9.783          $11.090         $13.520    $17.644
Accumulation Unit Value, End of Period                         $9.783          $11.090          $13.520         $17.644    $22.589
Number of Units Outstanding, End of Period                        966        3,528,353        7,294,719       9,222,186  8,450,007
</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, and the AIM
V.I. Blue Chip Fund,  Dent  Demographic  Trends,  Global Growth and Income,  and
Telecommunications    and   Technology    Variable    Sub-Accounts   ("the   New
Sub-Accounts").  No  Accumulaiton  Unit data is shown  for the New  Sub-Accounts
which commenced operations on January 3, 2000.


<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>

                       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)
<TABLE>
<S>             <C>                                                             <C>

Step 1.    Calculate Contract Value at End of Contract Year 3:          $10,000.00 X (1.045)^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>


                   EXAMPLE 2: (Assumes rising interest rates)
<TABLE>
<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
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

This  prospectus  does not constitute an offering in any  jurisdiction  in which
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.

                                       C-1
<PAGE>

                                     PART II
                   INFORMATION NOT REQUIRED IN THE PROSPECTUS

ITEM 15.  INDEMNIFICATION OF DIRECTORS AND OFFICERS.

     The By-laws of Glenbrook Life and Annuity  Company  ("Registrant")  provide
that  Registrant  will indemnify its officers and directors for certain  damages
and  expenses  that  may be  incurred  in  the  performance  of  their  duty  to
Registrant.  No  indemnification  is  provided,  however,  when  such  person is
adjudged to be liable for negligence or misconduct in the  performance of his or
her duty,  unless  indemnification  is  deemed  appropriate  by the  court  upon
application.

ITEM 16.  EXHIBITS.

Exhibit No.    Description

(1)  Form  of  Underwriting  Agreement  (Incorporated  herein  by  reference  to
     Post-Effective  Amendment  No.  1 to  Registrant's  Form  S-1  Registration
     Statement (File No. 033-62193) dated March 22, 1996.)

(2)  None

(4) Form of  Glenbrook  Life  and  Annuity  Company  Flexible  Premium  Deferred
    Variable Annuity Contract and Application  (Incorporated  herein by
    reference to the initial filing of the Form N-4  Registration  Statement
    (File No.  33-62203)dated August 28, 1995.)

(5)(a)Opinion of General  Counsel  re:  Legality  (Previously  filed in initial
    filing of this Registration  Statement (File No.  033-62193) dated
    August 28, 1995.)

(5)(b)Opinion of General Counsel re: Legality (Previously filed in Post
     Effective Amendment No. 1 to this Registration Statement (File No.
     033-62193) dated April 30, 1999.)

(8)  None

(11) None

(12) None

(15) None

(23)(a) Independent Auditors' Consent

(23)(b) Consent of  Freedman, Levy, Kroll & Simonds

(24)(a) Powers of Attorney for Thomas J. Wilson II, Michael J. Velotta,
      Sarah R. Donahue, Brent H. Hamann, John R. Hunter, Kevin R. Slawin,
      Timothy N. Vander Pas, and G. Craig Whitehead

(25) None

(26) None

(27) Not applicable

(99) Form of Resolution of Board of Directors  (Incorporated herein by reference
     to  Post-Effective  Amendment No. 1 to Registrant's  Form S-1  Registration
     Statement (File No. 033-92842) dated April 9, 1996.)

ITEM 17.  UNDERTAKINGS.

The undersigned registrant hereby undertakes:

(1) to file,  during  any  period in which  offers or sales  are being  made,  a
post-effective amendment to the registration statement:

     (i)  to  include  any  prospectus  required  by  section  10(a)(3)  of  the
          Securities Act of 1933;

     (ii) to reflect in the  prospectus  any facts or events  arising  after the
          effective  date of the  registration  statement  (or the  most  recent
          post-effective  amendment  thereof  )  which,  individually  or in the
          aggregate, represent a fundamental change in the information set forth
          in the registration statement; and

     (iii) to include any  material  information  with  respect  to the plan of
          distribution not previously disclosed in the registration statement or
          any material change to such information in the registration statement;

provided,  however,  that  paragraphs  (1)(i)  and  (1)(ii)  do not apply if the
information  required  to be  included in a  post-effective  amendment  by those
paragraphs  is  contained  in periodic  reports  filed with or  furnished to the
Commission  by  Registrant  pursuant  to Section  13 or 15(d) of the  Securities
Exchange Act of 1934 that are  incorporated  by  reference  in the  registration
statement.

(2) That, for the purpose of determining  any liability under the Securities Act
of  1933,  each  such  post-effective  amendment  shall  be  deemed  to be a new
registration  statement  relating to the  securities  offered  therein,  and the
offering of such  securities at that time shall be deemed to be the initial bona
fide offering thereof;

(3) To remove from  registration by means of a  post-effective  amendment any of
the securities  being  registered  which remain unsold at the termination of the
offering.

Insofar as indemnification  for liabilities  arising under the Securities Act of
1933 may be permitted to  directors,  officers  and  controlling  persons of the
registrant,  Glenbrook  Life and  Annuity  Company,  pursuant  to the  foregoing
provisions, or otherwise, the registrant has been advised that in the opinion of
the Securities and Exchange  Commission such  indemnification  is against public
policy as expressed in the Act and is,  therefore,  unenforceable.  In the event
that a claim  for  indemnification  against  such  liabilities  (other  than the
payment by  registrant  of expenses  incurred or paid by a director,  officer or
controlling  person of the registrant in the  successful  defense of any action,
suit or proceeding) is asserted by such director,  officer or controlling person
in connection with the securities being registered,  the registrant will, unless
in the  opinion  of its  counsel  the matter  has been  settled  by  controlling
precedent,  submit to a court of appropriate  jurisdiction  the question whether
such  indemnification  by it is  against  public  policy  as  expressed  in  the
Securities Act and will be governed by the final adjudication of such issue.

<PAGE>
                                   SIGNATURES

As required by the  Securities  Act of 1933,  Registrant  certifies  that it has
reasonable  grounds to believe that it meets all of the  requirements for filing
on Form S-3,  and has duly  caused this  amended  Registration  Statement  to be
signed on its  behalf  by the  undersigned,  thereunto  duly  authorized  in the
Township of Northfield, State of Illinois, on the 20TH day of April, 2000.


                       GLENBROOK LIFE AND ANNUITY COMPANY
                                  (REGISTRANT)

                             AIM VARIABLE ANNUITY I



                                     By:/s/ MICHAEL J. VELOTTA
                                        ------------------------
                                        Michael J. Velotta
                                        Vice President, Secretary and
                                               General Counsel


Pursuant  to the  requirements  of the  Securities  Act of  1933,  this  amended
Registration  Statement  has  been  signed  by the  following  persons  in their
capacities and on the 20th day of April, 2000.

<TABLE>
<CAPTION>


<S>                                         <C>
*/THOMAS J. WILSON, II                      President, Chief Operating Officer,
  Thomas J. Wilson, II                      and Director (Principal Executive Officer)



/s/MICHAEL J. VELOTTA                       Vice President, Secretary,
   Michael J. Velotta                                General Counsel, and Director



*/JOHN R. HUNTER                            Vice President and Director
   John R. Hunter



*/KEVIN R. SLAWIN                           Vice President and Director
   Kevin R. Slawin                                   (Principal Financial Officer)


*/SARAH R. DONAHUE                          Assistant Vice President and Director
Sarah R. Donahue



*/TIMOTHY N. VANDER PAS                     Assistant Vice President and Director
Timothy N. Vander Pas



*/G. CRAIG WHITEHEAD                        Assistant Vice President and Director
G. Craig Whitehead



*/BRENT H. HAMANN                           Director
Brent H. Hamann



*/SAMUEL H. PILCH                           Controller
   Samuel H. Pilch                          (Principal Accounting Officer)



*/ By Michael J. Velotta, pursuant to Power of Attorney filed herewith.
</TABLE>




<PAGE>
EXHIBIT INDEX

Exhibit                 Description
Exhibit 23(a)           Independent Auditors' Consent
Exhibit 23(b)           Consent of Freedman, Levy, Kroll & Simonds
Exhibit 24(a)           Powers of Attorney for Thomas J. Wilson II,
                        Michael J. Velotta, Sarah R. Donahue, Brent H. Hamann,
                        John R. Hunter, Kevin R. Slawin,Timothy N. Vander Pas,
                        and G. Craig Whitehead

Exhibit 23(a)           Independent Auditors' Consent
INDEPENDENT AUDITORS' CONSENT

We consent to the  incorporation by reference in this  Post-Effective  Amendment
No. 5 to Registration  Statement 033-62193 of Glenbrook Life and Annuity Company
on Form S-3 of our report  dated  February  25,  2000,  appearing  in the Annual
Report on Form 10-K of  Glenbrook  Life and  Annuity  Company for the year ended
December 31, 1999 and of our reports dated  February 25, 2000 and March 27, 2000
appearing in the Statement of Additional Information on Form N-4 dated April 18,
2000 of  Glenbrook  Life and  Annuity  Company  and  Glenbrook  Life and Annuity
Company Separate Account A, respectively. We also consent to the reference to us
under  the  heading  "Experts"  in  the  Prospectus,   which  is  part  of  such
Registration Statement.




Chicago, Illinois
April 18, 2000


<PAGE>

Exhibit 23(b)           Consent of Freedman, Levy, Kroll & Simonds

FREEDMAN, LEVY, KROLL & SIMONDS



                                   CONSENT OF
                         FREEDMAN, LEVY, KROLL & SIMONDS


     We hereby  consent to the  reference  to our firm under the caption  "Legal
Matters" in the prospectus  contained in  Post-Effective  Amendment No. 5 to the
Form S-3 Registration  Statement of Glenbrook Life and Annuity Company (File No.
033-62193).


                                 /s/  Freedman, Levy, Kroll & Simonds
                                 FREEDMAN, LEVY, KROLL & SIMONDS


Washington, D.C.
April 19, 2000





                                POWER OF ATTORNEY

                   WITH RESPECT TO GLENBROOK LIFE AND ANNUITY COMPANY
                                  (REGISTRANT)

                             AIM VARIABLE ANNUITY I



         Know all men by  these  presents  that  Thomas  J.  Wilson,  II,  whose
signature  appears  below,  constitutes  and appoints  Michael J.  Velotta,  his
attorney  in  fact,  with  full  power of  substitution,  and him in any and all
capacities,  to sign any Registration  Statements and amendments thereto for the
Registrant,  Glenbrook Life and Annuity  Company,  and to file the same with the
exhibits  thereto  and  other  documents  in  connection  therewith,   with  the
Securities  and Exchange  Commission,  hereby  ratifying and confirming all that
said attorney in fact, or his substitute or  substitutes,  may do or cause to be
done by virtue hereof.


                                   April 20, 2000
                                   Date



                                   /s/THOMAS J. WILSON, II
                                   Thomas J. Wilson, II
                                   President, Chief Operating Officer
                                   (Principal Executive Officer) and Director




<PAGE>





                                POWER OF ATTORNEY

                   WITH RESPECT TO GLENBROOK LIFE AND ANNUITY COMPANY
                                  (REGISTRANT)

                             AIM VARIABLE ANNUITY I



         Know all men by these presents that Michael J. Velotta, whose signature
appears below,  constitutes and appoints  Thomas J. Wilson,  II, his attorney in
fact, with full power of  substitution,  and him in any and all  capacities,  to
sign any  Registration  Statements  and amendments  thereto for the  Registrant,
Glenbrook  Life and  Annuity  Company,  and to file the same  with the  exhibits
thereto and other  documents in connection  therewith,  with the  Securities and
Exchange  Commission,  hereby ratifying and confirming all that said attorney in
fact,  or his  substitute or  substitutes,  may do or cause to be done by virtue
hereof.


                                    April 20, 2000
                                    Date



                                    /s/MICHAEL J. VELOTTA
                                    Michael J. Velotta
                                    Vice President, Secretary,
                                    General Counsel and Director



<PAGE>




                                POWER OF ATTORNEY

                   WITH RESPECT TO GLENBROOK LIFE AND ANNUITY COMPANY
                                  (REGISTRANT)

                             AIM VARIABLE ANNUITY I



         Know all men by these presents that Sarah R. Donahue,  whose  signature
appears  below,  constitutes  and  appoints  Thomas J. Wilson II, and Michael J.
Velotta,  and each of them  (with  full  power to each of them to act alone) her
attorney in fact, with power of substitution, and him in any and all capacities,
to sign any Registration  Statements and amendments  thereto for the Registrant,
Glenbrook  Life and  Annuity  Company,  and to file the same  with the  exhibits
thereto and other  documents in connection  therewith,  with the  Securities and
Exchange  Commission,  hereby  ratifying  and  confirming  all that each of said
attorney in fact, or his substitute or  substitutes,  may do or cause to be done
by virtue hereof.


                                     April 20, 2000
                                     Date



                                     /s/SARAH R. DONAHUE
                                     Sarah R. Donahue
                                     Assistant Vice President and Director



<PAGE>





                                POWER OF ATTORNEY

                   WITH RESPECT TO GLENBROOK LIFE AND ANNUITY COMPANY
                                  (REGISTRANT)

                             AIM VARIABLE ANNUITY I



         Know all men by these  presents  that John R. Hunter,  whose  signature
appears  below,  constitutes  and  appoints  Thomas J. Wilson II, and Michael J.
Velotta,  and each of them  (with  full  power to each of them to act alone) his
attorney in fact, with power of substitution, and him in any and all capacities,
to sign any Registration  Statements and amendments  thereto for the Registrant,
Glenbrook  Life and  Annuity  Company,  and to file the same  with the  exhibits
thereto and other  documents in connection  therewith,  with the  Securities and
Exchange  Commission,  hereby  ratifying  and  confirming  all that each of said
attorney in fact, or his substitute or  substitutes,  may do or cause to be done
by virtue hereof.


                                  April 20, 2000
                                  Date



                                  /s/JOHN R. HUNTER
                                  John R. Hunter
                                  Vice President and Director



<PAGE>





                                POWER OF ATTORNEY

                   WITH RESPECT TO GLENBROOK LIFE AND ANNUITY COMPANY
                                  (REGISTRANT)

                             AIM VARIABLE ANNUITY I



         Know all men by these  presents that Samuel H. Pilch,  whose  signature
appears  below,  constitutes  and  appoints  Thomas J. Wilson II, and Michael J.
Velotta,  and each of them  (with  full  power to each of them to act alone) his
attorney in fact, with power of substitution, and him in any and all capacities,
to sign any Registration  Statements and amendments  thereto for the Registrant,
Glenbrook  Life and  Annuity  Company,  and to file the same  with the  exhibits
thereto and other  documents in connection  therewith,  with the  Securities and
Exchange  Commission,  hereby  ratifying  and  confirming  all that each of said
attorney in fact, or his substitute or  substitutes,  may do or cause to be done
by virtue hereof.


                                   April 20, 2000
                                   Date



                                   /s/SAMUEL H. PILCH
                                   Samuel H. Pilch
                                   Controller (Principal Accounting
Officer)





<PAGE>





                                POWER OF ATTORNEY

                   WITH RESPECT TO GLENBROOK LIFE AND ANNUITY COMPANY
                                  (REGISTRANT)

                             AIM VARIABLE ANNUITY I



         Know all men by these  presents that Kevin R. Slawin,  whose  signature
appears  below,  constitutes  and  appoints  Thomas J. Wilson II, and Michael J.
Velotta,  and each of them  (with  full  power to each of them to act alone) his
attorney in fact, with power of substitution, and him in any and all capacities,
to sign any Registration  Statements and amendments  thereto for the Registrant,
Glenbrook  Life and  Annuity  Company,  and to file the same  with the  exhibits
thereto and other  documents in connection  therewith,  with the  Securities and
Exchange  Commission,  hereby  ratifying  and  confirming  all that each of said
attorney in fact, or his substitute or  substitutes,  may do or cause to be done
by virtue hereof.


                                   April 20, 2000
                                   Date



                                   /s/KEVIN R. SLAWIN
                                   Kevin R. Slawin
                                   Vice President and Director
                                   (Principal Financial Officer)



<PAGE>





                                POWER OF ATTORNEY

                   WITH RESPECT TO GLENBROOK LIFE AND ANNUITY COMPANY
                                  (REGISTRANT)

                             AIM VARIABLE ANNUITY I



         Know all men by these  presents  that  Timothy  N.  Vander  Pas,  whose
signature  appears  below,  constitutes  and  appoints  Thomas J. Wilson II, and
Michael  J.  Velotta,  and each of them  (with full power to each of them to act
alone) his attorney in fact, with power of substitution,  and him in any and all
capacities,  to sign any Registration  Statements and amendments thereto for the
Registrant,  Glenbrook Life and Annuity  Company,  and to file the same with the
exhibits  thereto  and  other  documents  in  connection  therewith,   with  the
Securities  and Exchange  Commission,  hereby  ratifying and confirming all that
each of said attorney in fact, or his substitute or substitutes, may do or cause
to be done by virtue hereof.


                                    April 20, 2000
                                    Date



                                    /s/TIMOTHY N. VANDER PAS
                                    Timothy N. Vander Pas
                                    Assistant Vice President and Director



<PAGE>



                                POWER OF ATTORNEY

                   WITH RESPECT TO GLENBROOK LIFE AND ANNUITY COMPANY
                                  (REGISTRANT)

                             AIM VARIABLE ANNUITY I



         Know all men by these  presents that Brent H. Hamann,  whose  signature
appears  below,  constitutes  and  appoints  Thomas J. Wilson II, and Michael J.
Velotta,  and each of them  (with  full  power to each of them to act alone) his
attorney in fact, with power of substitution, and him in any and all capacities,
to sign any Registration  Statements and amendments  thereto for the Registrant,
Glenbrook  Life and  Annuity  Company,  and to file the same  with the  exhibits
thereto and other  documents in connection  therewith,  with the  Securities and
Exchange  Commission,  hereby  ratifying  and  confirming  all that each of said
attorney in fact, or his substitute or  substitutes,  may do or cause to be done
by virtue hereof.


                                   April 20, 2000
                                   Date



                                   /s/BRENT H. HAMANN
                                   Brent H. Hamann
                                   Director



<PAGE>



                                POWER OF ATTORNEY

                   WITH RESPECT TO GLENBROOK LIFE AND ANNUITY COMPANY
                                  (REGISTRANT)

                             AIM VARIABLE ANNUITY I



         Know all men by these presents that G. Craig Whitehead, whose signature
appears  below,  constitutes  and  appoints  Thomas J. Wilson II, and Michael J.
Velotta,  and each of them  (with  full  power to each of them to act alone) his
attorney in fact, with power of substitution, and him in any and all capacities,
to sign any Registration  Statements and amendments  thereto for the Registrant,
Glenbrook  Life and  Annuity  Company,  and to file the same  with the  exhibits
thereto and other  documents in connection  therewith,  with the  Securities and
Exchange  Commission,  hereby  ratifying  and  confirming  all that each of said
attorney in fact, or his substitute or  substitutes,  may do or cause to be done
by virtue hereof.


                                 April 20, 2000
                                 Date



                                 /s/G. CRAIG WHITEHEAD
                                 G. Craig Whitehead
                                 Assistant Vice President and Director







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