NORTHBROOK LIFE INSURANCE CO
POS AM, 2000-04-05
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 AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON APRIL 5, 2000
- --------------------------------------------------------------------------------

                                                             FILE NO. 033-84480

                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                         POST-EFFECTIVE AMENDMENT NO. 6

                                       TO

                                    FORM S-3

             REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933

                        NORTHBROOK LIFE INSURANCE COMPANY
                           (Exact Name of Registrant)


                    ARIZONA                                 36-3001527
         (State or Other Jurisdiction                    (I.R.S. Employer
       of Incorporation or Organization)              Identification Number)

                  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
                        NORTHBROOK LIFE INSURANCE COMPANY
                                3100 SANDERS ROAD
                           NORTHBROOK, ILLINOIS 60062
                                  847-402-2400
       (Name, Complete Address and Telephone Number of Agent for Service)

                                   COPIES TO:
    BRUCE A. TEICHNER, ESQ.                   DANIEL J. FITZPATRICK, ESQ.
ALSTATE LIFE INSURANCE COMPANY                 DEAN WITTER REYNOLDS INC.
 3100 SANDERS ROAD, SUITE J5B              TWO WORLD TRADE CENTER, 74TH FLOOR
  NORTHBROOK, ILLINOIS  60062                     NEW YORK, NY 10048


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 CUSTOM PLUS ANNUITY

Northbrook Life Insurance Company                  Prospectus dated May 1, 2000
Northbrook, IL 60062
Telephone Number: 1-800-654-2397



Northbrook  Life Insurance  Company  ("Northbrook")  is offering The Custom Plus
Annuity,  a group and individual  flexible  premium  deferred  annuity  contract
("Contract").  This prospectus contains  information about the Contract that you
should know before investing. Please keep it for future reference.

The Contracts are available  exclusively  through Dean Witter Reynolds Inc., the
principal underwriter for the Contracts.







<TABLE>
<CAPTION>
<S>              <C>
IMPORTANT        The Securities and Exchange Commission has not approved or disapproved the
NOTICES          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.

                 Investment  in  the  Contracts  involves   investment
                 risks, including possible loss of principal.
</TABLE>


<PAGE>




TABLE OF CONTENTS
- -------------------------------------------------------------------------------



                                                                           Page

                           Important Terms
Overview                   The Contract At A Glance
                           How the Contract Works



                           The Contract
                           Purchases and Contract Value
Contract                   Guarantee Periods
Features                   Expenses
                           Access To Your Money
                           Income Payments
                           Death Benefits


                           More Information:
                                    Northbrook
                                    The Contract
Other                               Qualified Plans
Information                         Legal Matters
                                    Year 2000
                           Taxes
                           Experts
                           Annual Reports and Other Documents
                           Appendix A - Market Value Adjustment





<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 highlighted text.


                                                                   Page

Accumulation Phase
Annuitant
Automatic Additions Program
Beneficiary
Cancellation Period
Cash Surrender Value
Contract*
Contract Owner ("You")
Contract Value
Due Proof of Death
Guarantee Periods
Income Plan
Issue Date
Market Value Adjustment
Northbrook ("We")
Payout Phase
Payout Start Date
Preferred Withdrawal Amount
Qualified Contracts
SEC
Systematic Withdrawal Program


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



<PAGE>




THE CONTRACT AT A GLANCE

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

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

Flexible                            Payments You can purchase a Contract with as
                                    little  as  $1,000  (we  may   increase  the
                                    minimum to $4,000 in the future,  other than
                                    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 $1,000. You must maintain a minimum
                                    Contract Value of $1,000.

Return                              Privilege   You  may  cancel  your  Contract
                                    within  20 days  of  receipt  or any  longer
                                    period your state may require ("Cancellation
                                    Period")  and  receive a full refund of your
                                    purchase payments.

Expenses                            You will bear the following expenses:

                                    o Withdrawal   charge  of  6%  on  amounts
                                      withdrawn (with  exceptions)
                                    o state premium tax (if your state imposes
                                      one)

Guaranteed                          The Contract offers fixed interest rates
Interest                            that we guarantee for specified periods we
                                    call  "Guarantee Periods." To find out what
                                    the current rates are on the Guarantee
                                    Periods, call us at 1-800-654-2397.

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

                                    o Automatic Additions Program;
                                    o Systematic Withdrawal Program.

Income Payments                     The Contract offers three income payment
                                    plans:

                                    o life income with or without guaranteed
                                      payments;

                                    o a joint and  survivor  life income with or
                                      without guaranteed payments; or
                                    o guaranteed payments for a specified
                                      period (5-30 years)

Death Benefits                      If you or the Annuitant dies before the
                                    Payout Start Date, we will pay the death
                                    benefit described in the Contract.

Withdrawals                         You  may  withdraw   some  or  all  of  your
                                    Contract  value  ("Contract  Value")  at any
                                    time prior to the Payout Start Date.  If you
                                    withdraw  Contract  Value  from a  Guarantee
                                    Period  before its  maturity,  a  withdrawal
                                    charge,  Market Value Adjustment,  and taxes
                                    (including a 10% penalty tax for withdrawals
                                    before age 59 1/2) may apply.


<PAGE>

HOW THE CONTRACT WORKS

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

The Contract basically works in two ways.

First, the Contract can help you (we assume you are the Contract owner) save for
retirement  because  you can invest in the  Contract  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 one or more  Guarantee  Periods  that earn a fixed rate of interest
that we declare periodically.

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 income payment  required by the Income Plan you
select. During the Payout Phase, we guarantee the amount of your payments, which
will remain fixed. 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 Date         Accumulation Phase         Payout Start Date          Payout Phase
- --------------------------------------------------------------------------------------------------------------
You buy a          You save for retirement    You elect to receive       You can receive        Or you can
Contract                                      income payments or         income payments for    receive income
                                              receive a lump sum         a set period           payments for life
                                              payment

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,
to your Beneficiary. See "Death Benefits."

Please call us at 1-800-654-2397 if you have any question about how the
Contract works.
</TABLE>


<PAGE>




THE CONTRACT
- -------------------------------------------------------------------------------

CONTRACT OWNER

The Custom Plus  Annuity is a contract  between you,  the  Contract  owner,  and
Northbrook,  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 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 to them 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
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 __.

ANNUITANT

The Annuitant is the individual whose life determines the amount and duration of
income  payments  (other than under  Income Plans with  guaranteed  payments for
specified  periods).  You initially  designate an Annuitant in your application.
The Contract owner  (youngest  Contract owner if there is more than one) will be
the Annuitant  unless you name a different  Annuitant.  The Annuitant  must be a
natural person.

You may change the  Annuitant  at any time prior to the Payout  Start Date (only
Contract  owners that are natural  persons or grantor  trusts have this option).
Once we receive  your change  request,  any change will be effective at the time
you sign the written notice.  We are not liable for any payment we make or other
action we take before  receiving  any  written  request  from you.  You also may
designate  a joint  Annuitant,  who is a  second  person  on whose  life  income
payments depend.

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  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. Until we receive your written notice to change a Beneficiary, we
are entitled to rely on the most recent Beneficiary information in our files. We
will not be liable as to any payment or  settlement  made prior to receiving the
written notice. Accordingly, if you wish to change your Beneficiary,  you should
deliver your written  notice to us promptly.  If the Contract owner is a natural
person,  we will determine the  Beneficiary  from the most recent request of the
Contract owner.

If the Contract owner is a grantor trust, then the Beneficiary will be that same
trust. If the Contract owner is a non-natural person other than a grantor trust,
the Contract owner is also the  Beneficiary,  unless a different  Beneficiary is
named.

If you did not name a  Beneficiary  or if the  named  Beneficiary  is no  longer
living, the 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 (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 Northbrook  officer may approve a change in or waive any provision of the
Contract.  Any change or waiver must be in  writing.  None of our agents has the
authority to change or waive the  provisions of the Contract.  We may not change
the terms of the Contract  without your consent,  except to conform the Contract
to  applicable  law or changes in the law.  If a  provision  of the  Contract is
inconsistent with state law, we will follow state law.

ASSIGNMENT

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


<PAGE>

PURCHASES AND CONTRACT VALUE
- -------------------------------------------------------------------------------


MINIMUM PURCHASE PAYMENT

Your  initial  purchase  payment  must be at least  $1,000.  We may increase the
minimum to $4,000 in our sole discretion. (The higher minimum would not apply to
Qualified Contracts).  Each subsequent purchase payment must be at least $1,000.
You may make  purchase  payments at any time prior to the Payout Start Date.  We
reserve the right to limit the maximum amount and number of purchase payments we
will  accept.  We also reserve the right to reject any  application  in our sole
discretion.

AUTOMATIC ADDITIONS PROGRAM

You may make subsequent  purchase payments by automatically  transferring  money
from your bank account or your Morgan  Stanley Dean Witter  Active Assets ((TM))
Account. Please call or write us for an enrollment form.

ALLOCATION OF PURCHASE PAYMENTS

For each  purchase  payment,  you must  select a Guarantee  Period.  A Guarantee
Period is a period of years  during  which you will earn a  guaranteed  interest
rate on your  money.  You must  allocate  at least  $1,000 to any one  Guarantee
Period at the time you make your purchase payment or select a renewal  Guarantee
Period.

We will apply your purchase  payment to the Guarantee Period you select within 7
days of the receipt of the payment and required information.

RETURN PRIVILEGE

You may cancel your Contract within the  Cancellation  Period,  which is 20 days
after receipt of your Contract or any longer period 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 or any greater amount your state may require.

CONTRACT VALUE

Your Contract  Value at any time during the  Accumulation  Phase is equal to the
purchase  payments you have  invested in the  Guarantee  Periods,  plus earnings
thereon, and less any amounts previously withdrawn.


<PAGE>

GUARANTEE PERIODS


Each payment  allocated to a Guarantee Period earns interest at a specified rate
that we  guarantee.  Guarantee  Periods  may range from 1 to 10 years.  You must
select a Guarantee Period for each purchase payment.

Amounts allocated to Guarantee Periods become part of our general account, which
supports our insurance and annuity obligations.  The general account consists of
our general assets other than those in segregated  asset accounts.  We have sole
discretion  to invest the assets of the general  account,  subject to applicable
law. Any money you allocate to a Guarantee  Period does not entitle you to share
in the investment experience of the general account.

You must  allocate at least $1,000 to a Guarantee  Period at the time you make a
purchase payment or select a renewal Guarantee Period.

INTEREST RATES

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

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 Morgan Stanley Dean Witter Financial Advisor or
Northbrook at 1-800-654-2397.

HOW WE CREDIT INTEREST

We will credit interest to your initial purchase payment from the Issue Date. We
will  credit  interest to your  additional  purchase  payments  from the date we
receive  them.  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 would grow, given an
assumed Guarantee Period and annual interest rate:

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

<TABLE>
<CAPTION>

                              END OF CONTRACT YEAR
<S>                           <C>           <C>               <C>               <C>              <C>
                              YEAR 1        YEAR 2            YEAR 3            YEAR 4           YEAR 5
                              ------        ------            ------            ------           ------
Beginning Contract Value      $10,000.00
X (1 + Annual Interest Rate)  X 1.045
                              $10,450.00


<PAGE>

Contract Value at end of Contract Year      $10,450.00
X (1 + Annual Interest Rate)                X 1.045
                                            $10,920.25

Contract Value at end of Contract Year                        $10,920.25
X (1 + Annual Interest Rate)                                  X 1.045
                                                              $11,411.66

Contract Value at end of Contract Year                                          $11,411.66
X (1 + Annual Interest Rate)                                                    X 1.045
                                                                                $11,925.19

Contract Value at end of Contract Year                                                           $11,925.19
X (1 + Annual Interest Rate)                                                                     X 1.045
                                                                                                 $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.

RENEWALS

Prior to the end of each  Guarantee  Period,  we will mail you a notice  listing
your renewal and withdrawal  options.  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 that may
be  available.  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)  withdraw  all or a portion of your money from the expired  Guarantee  Period
without  incurring a  withdrawal  charge or a Market Value  Adjustment.  In this
case,  the amount  withdrawn will be deemed to have been renewed at the shortest
Guarantee Period then being offered with current interest credited from the date
the Guarantee  Period  expired.  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 from a Guarantee Period, other than those taken within the first
30 days of a renewal  Guarantee Period are subject to a Market Value Adjustment.
A Market Value  Adjustment  also may apply upon  payment of a death  benefit and
when you apply your  Contract  Value to an Income Plan (other than during the 30
day period described above).

We will not apply the Market Value Adjustment to withdrawals you make:

         o to satisfy IRS minimum  distribution  rules for this  Contract;  or
         o within the Preferred  Withdrawal  Amount,  described  under
           "Expenses" below.

We apply the Market Value  Adjustment to reflect  changes in interest rates from
the time the amount being  withdrawn was allocated to a Guarantee  Period to the
time you withdraw it. We calculate the Market Value  Adjustment by comparing the
interest rate for the Guarantee Period at its inception to the interest rate for
a period  equal to the time  remaining in the  Guarantee  Period when you remove
your money, as determined under the Contract.

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 from the time you make
a purchase payment,  the Market Value  Adjustment,  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 payments plus interest earned under your Contract. However, we
guarantee that the amount received upon surrender  (prior to any withholding and
before deduction for any applicable premium taxes) will be at least equal to the
purchase payments less any prior partial withdrawals.

Generally,  if the annual  interest rate for the Guarantee  Period is lower than
the  applicable  current  annual  interest  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.  Conversely,  if the annual  interest rate for
the Guarantee Period is higher than the applicable current annual interest rate,
then the Market Value Adjustment will result in a higher amount payable to you.

For example, assume that you purchase a Contract and select an initial Guarantee
Period of 5 years that has an annual interest rate of 4.50%.  Assume that at the
end of 3 years,  you make a  partial  withdrawal,  in  excess  of the  Preferred
Withdrawal  Amount.  If, at that later time,  the current  interest rate for a 2
year  Guarantee  Period is  4.00%,  then the  Market  Value  Adjustment  will be
positive,  which  will  result in an  increase  in the  amount  payable  to you.
Conversely,  if the current  interest  rate for the 2 year  Guarantee  Period is
5.00%, 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 A
to this prospectus,  which also contains  additional examples of the application
of the Market Value Adjustment.


<PAGE>

EXPENSES
- -------------------------------------------------------------------------------

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

WITHDRAWAL CHARGE

We may  assess a  withdrawal  charge  equal to 6% of all  amounts  withdrawn  or
surrendered.  However,  each  year  you  may  withdraw  up to 10%  of the  funds
initially  allocated  to the  Guarantee  Period  from  which you are  making the
withdrawal  without  paying a withdrawal  charge.  We measure each year from the
commencement  of the  relevant  Guarantee  Period.  Unused  portions of this 10%
"Preferred  Withdrawal  Amount" are not carried forward to future years or other
Guarantee Periods. We will deduct withdrawal  charges,  if applicable,  from the
amount paid unless you instruct otherwise.

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

     o    on the Payout Start Date;

     o    the death of the  Contract  owner or the  Annuitant;

     o    withdrawals  taken to satisfy IRS minimum  distribution  rules for the
          Contract; or

     o    withdrawals  from a renewal  Guarantee Period made within the first 30
          days of such Period.

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

PREMIUM TAXES

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

At the Payout Start Date,  we deduct the charge for premium taxes from the total
Contract Value, prior to applying your money to an Income Plan.


<PAGE>

ACCESS TO YOUR MONEY
- -------------------------------------------------------------------------------

You can withdraw some or all of your money at any time prior to the Payout Start
Date.  You may not make any  withdrawals  or surrender  your  Contract  once the
Payout Phase has begun.

You must specify the Guarantee Period from which you would like to withdraw your
money.  If the amount you withdraw  reduces the amount invested in any Guarantee
Period to less than $1,000, we will treat the withdrawal request as a request to
withdraw the entire amount in that Guarantee Period.

The  amount  you  receive  may be reduced  by a  withdrawal  charge,  income tax
withholding,  10% tax penalty,  and any applicable premium taxes. The amount you
receive may be increased or reduced by a Market Value  Adjustment.  We may defer
payment  of  withdrawals  for up to 6  months  from  the  date we  receive  your
withdrawal request.

If you request a total  withdrawal we may require you to return your Contract to
us.

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 $100. We will deposit
systematic  withdrawal payments into the Contract owner's bank account or Morgan
Stanley Dean Witter Active Assets(TM)  Account.  Please consult with your Morgan
Stanley Dean Witter Financial Advisor for details.

Income  taxes may  apply to  systematic  withdrawals.  Please  consult  your tax
advisor before taking any withdrawal.

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.

RETURN OF PURCHASE PAYMENTS GUARANTEE

When you withdraw your money, a withdrawal  charge and a Market Value Adjustment
may apply.  However, if you decide to surrender your Contract, we guarantee that
the  "Cash  Surrender  Value of your  contract,"  which is the  Contract  Value,
adjusted by any Market Value  Adjustment,  less  withdrawal  charges and premium
taxes  will  never  be less  than  the sum of your  initial  and any  subsequent
purchase payments,  less amounts previously  withdrawn (prior to withholding and
the deduction of any  applicable  taxes).  Premium taxes and income tax withheld
may  reduce the amount  you  receive on  surrender  to less than the sum of your
initial and any subsequent  purchase payments.  This guarantee does not apply to
earnings on purchase payments. The renewal of a Guarantee Period does not in any
way change this guarantee.

MINIMUM CONTRACT VALUE

If a withdrawal  would reduce your Contract  Value to less than $1,000,  we will
treat the  request as a request to  withdraw  the 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 you surrender  your  Contract,  we will pay you its Contract Value
adjusted  by  any  applicable  Market  Value  Adjustment,  less  any  applicable
withdrawal charges and taxes.
<PAGE>

INCOME PAYMENTS
- -------------------------------------------------------------------------------

PAYOUT START DATE

The Payout Start Date is the day that we apply your Contract Value,  adjusted by
the Market Value  Adjustment,  less any applicable taxes, to an Income Plan. The
Payout Start Date must be:

         o at least 30 days after the Issue Date; and
         o 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 Payout Start Date stated in your Contract.

INCOME PLANS

An  Income  Plan  is a  series  of  scheduled  payments  to you or  someone  you
designated.  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 or change your
choice of Income Plan.

The three Income Plans available under the Contract are:

Income  Plan 1-- Life  Income With or Without  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 or Without  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. Under this plan, we
make periodic income payments for the period you have chosen.  These payments do
not depend on the life of the Annuitant.

You may elect to receive  guaranteed  payments  under  each of the above  Income
Plans for periods ranging from 5-30 years.

The length of any  guaranteed  payment  period under your  selected  Income Plan
generally  will affect the dollar  amount 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.

We may make other Income Plans  available,  including ones that you and we agree
upon. You may obtain information about them by writing or calling us.

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 we may require proof that the Annuitant or joint Annuitant
is still alive before we make each payment.

Please  note that  under  such  Income  Plans,  if you elect to take no  minimum
guaranteed  payments,  it is possible that the payee could receive only 1 income
payment  if the  Annuitant  and any joint  Annuitant  both die before the second
income  payment,  or only 2 income  payments if they die before the third income
payment, and so on.

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 not  enough to  provide an initial
payment of at least $20, and state law permits, we may:

         o terminate your Contract and 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 we may reduce the  frequency  of your  payments so that each  payment
         will be at least $20.

INCOME PAYMENTS

We guarantee  income  payment  amounts for the  duration of the Income Plan.  We
calculate income payments by:

          1)   adjusting  the value of your Contract on the Payout Start Date by
               any applicable Market Value Adjustment;

          2)   deducting any applicable premium tax; and

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

We may defer making  fixed  income  payments for a period of up to six months or
such shorter time state law may require.  If we defer such  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)  the Contract owner dies; or
         2)  the Annuitant dies.

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

DEATH BENEFIT AMOUNT

Prior to the Payout  Start Date,  the death  benefit is equal to the greater of:
(1) the  Contract  Value,  and (2) the  "Cash  Surrender  Value,"  which  is the
Contract Value, adjusted by any Market Value Adjustment, less withdrawal charges
and taxes.  We will  calculate  the value of the death benefit as of the date we
receive a complete request for payment of the death benefit.

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 the finding of death; or
         o any other proof acceptable to us.

DEATH BENEFIT OPTIONS

Upon death of the Contract  owner,  the new  Contract  owner  generally  has the
following 3 options:

          1)   receive the Cash  Surrender  Value  within 5 years of the date of
               death;

          2)   receive the death benefit in a lump sum; or

          3)   apply the death benefit to an Income Plan,  with income  payments
               beginning  within one year of the date of death.  Income payments
               must be made over the life of the new Contract owner, or a period
               not to exceed the life expectancy of the new Contract owner.

Options 2 and 3 above are only available if we receive Due Proof of Death within
180 days of the date of death.  We are currently  waiving the 180 day limitation
but may enforce it in the future. Please refer to your Contract for more details
on the above options, including terms that apply to grantor trusts.

If the new Contract owner is a non-natural  person (other than a grantor trust),
the new Contract owner must elect to receive the death benefit in a lump sum.

If the  surviving  spouse of the  deceased  Contract  owner is the new  Contract
owner, then the spouse may elect Options 2 or 3 listed above or may continue the
Contract in the Accumulation Phase as if the death had not occurred. If there is
no Annuitant at that time,  the new Annuitant  will be the youngest new Contract
owner,  unless  the new  Contract  owner  names a  different  Annuitant.  If the
Contract is continued in the Accumulation Phase, the surviving spouse may make a
single  withdrawal  of any  amount  within 1 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. The single  withdrawal
amount is in addition to the annual Preferred Withdrawal Amount.

If the Contract  owner is not the  Annuitant and the  Annuitant  dies,  then the
Contract owner has the following 3 options:

         1) continue the Contract as if the death had not occurred;

         2) receive the death benefit in a lump sum; or

         3) apply the death benefit to an Income Plan, which must begin within 1
         year of the  date of death  and  must be for a period  equal to or less
         than the life expectancy of the Contract owner.

For  Options 1 and 3, the new  Annuitant  will be the  youngest  Contract  owner
unless the Contract owner names a different  Annuitant.  Options 1 and 3 are not
available if the Contract  owner is a  non-natural  person (other than a grantor
trust).

Options 2 and 3 above are only available if we receive Due Proof of Death within
180 days of the date of death.  We are currently  waiving the 180 day limitation
but may enforce it in the future. Please refer to your Contract for more details
on the above options, including terms that apply to grantor trusts.

Please refer to your Contract for more details on the above options.


<PAGE>

MORE INFORMATION
- -------------------------------------------------------------------------------

NORTHBROOK

Northbrook is the issuer of the Contract.  Northbrook is a stock life  insurance
company  organized  under the laws of the State of Arizona in 1998.  Previously,
from 1978 to 1998, it was  organized  under the laws of the State of Illinois in
1978.

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

Northbrook  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 the State of Illinois.  All of the  outstanding  capital stock of
Allstate Insurance Company is owned by The Allstate Corporation.

Northbrook  and Allstate  Life entered into a  reinsurance  agreement  effective
December 31, 1987. Under the reinsurance agreement,  Allstate Life reinsures all
of  Northbrook's  liabilities  under the Contracts.  The  reinsurance  agreement
provides us with  financial  backing from Allstate  Life. It does not,  however,
create a direct contractual relationship between Allstate Life and you. In other
words,  the obligations of Allstate Life under the reinsurance  agreement are to
Northbrook; Northbrook 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 Northbrook. A.M. Best Company also assigns Northbrook the rating
of A+(r)  because  Northbrook  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 Northbrook.  Northbrook shares the same ratings of
its parent,  Allstate Life. We may from time to time advertise  these ratings in
our sales literature.

THE CONTRACT

Dean Witter Reynolds,  Inc. ("Dean Witter"),  located at Two World Trade Center,
74th  Floor,  New  York,  NY  10048,  serves  as  principal  underwriter  of the
Contracts.  Dean Witter is a wholly  owned  subsidiary  of Morgan  Stanley  Dean
Witter & Co.  Dean Witter is a  registered  broker-dealer  under the  Securities
Exchange  Act of 1934,  as  amended  ("Exchange  Act")  and is a  member  of the
National Association of Securities Dealers.  Dean Witter is also registered with
the Securities and Exchange Commission as an investment adviser.

We may pay  broker-dealers up to a maximum sales commission of 8% both upon sale
of the Contract and upon renewal of a Guarantee Period. In addition, sale of the
Contract may count towards incentive program awards for broker-dealers.

The underwriting agreement with Dean Witter provides that we will reimburse Dean
Witter for any liability to Contract owners arising out of services  rendered or
Contracts issued.

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  Northbrook on
certain federal  securities law matters.  All matters of state law pertaining to
the Contracts, including the validity of the Contracts and Northbrook's right to
issue such  Contracts  under  state  insurance  laws,  have been  passed upon by
Michael J. Velotta, General Counsel of Northbrook.

YEAR 2000

Northbrook is heavily  dependent upon complex computer systems for all phases of
its   operations,   including   customer   service,   and  policy  and  contract
administration.  Since many of  Northbrook's  older computer  software  programs
recognized  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  had
not not been reprogrammed or replaced ("Year 2000 Issue").  Northbrook  believes
that many of its  counterparties  and suppliers  also had Year 2000 Issues which
could have affected Northbrook.  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, upgrading operating systems already covered by maintenance
agreements, and modifying existing systems to make them Year 2000 compliant. The
plan  also  included   Northbrook  actively  working  with  its  major  external
counterparties and suppliers to assess their compliance efforts and Northbrook's
exposure to them. As of the date of this  prospectus,  Northbrook  believes that
the Year 2000 Issue was successfully  resolved and that such resolution will not
materially affect its results of operations, liquidity or financial position.


<PAGE>

TAXES
- -------------------------------------------------------------------------------

The following  discussion is general and is not intended as tax advice.  We make
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 advisor.

TAXATION OF NORTHBROOK

Northbrook is taxed as a life insurance  company under Part I of Subchapter L of
the Internal Revenue Code ("Tax Code").

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 the owner is a natural
person. 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.
Contracts  will  generally be treated as held by a natural person if the nominal
owner is a trust that holds the  Contract  for the benefit of a natural  person.
Please see a competent tax advisor to discuss other  possible  exceptions to the
nonnatural owner rule.

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 is not  taxable  is equal to the  payment  times  the ratio of the
investment in the contract (i.e.,  nondeductible  IRA  contributions,  after tax
contributions to qualified plans) to the contract value.

You should contact a competent tax advisor about the potential tax  consequences
of a Market Value Adjustment, as no definitive guidance exists on the proper tax
treatment of Market Value  Adjustments.  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 taxable only to the extent that distributions exceed
contributions.  "Qualified  distributions"  from  Roth  IRAs  are  not  taxable.
"Qualified  distributions"  are any  distributions  made more than five  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 owner's  death;
         o attributable  to the 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. 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.  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 Income Plan, the amounts are taxed in the
         same manner as an annuity payment.

IRS Required  Distribution at Death Rules. To qualify as an annuity contract for
federal income tax purposes, a non-Qualified Contract must provide:

         (1) if any Contract  owner dies on or after the annuity start date, but
         before the entire  interest in the Contract has been  distributed,  the
         remaining  portion of such  interest  must be  distributed  at least as
         rapidly as under the method of  distribution  being used as of the date
         of the owner's death; and

         (2) if any  Contract  owner dies prior to the annuity  start date,  the
         entire  interest in the  Contract  must be  distributed  within 5 years
         after the date of the owner's death.

         The 5-year requirement is satisfied if:

         o any portion of the Contract  owner's  interest  which is payable to a
         designated beneficiary is distributed over the life of such beneficiary
         (or over a period  not  extending  beyond  the life  expectancy  of the
         beneficiary); and

         o the distributions begin within 1 year of the Contract owner's death.

If the  Contract  owner's  designated  beneficiary  is a surviving  spouse,  the
Contract may be continued  with the  surviving  spouse as the new owner.  If the
owner of the Contract is a non-natural  person,  the Annuitant is treated as the
owner for purposes of applying the  distribution at death rules. In addition,  a
change in the Annuitant on a Contract  owned by a non-natural  person is treated
as the death of the Contract owner.

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:

         o  made on or after the date the owner attains age 59 1/2;
         o  made as a result of the owner's death or disability;
         o  made in substantially  equal periodic  payments over the owner's
            life or  life  expectancy;
         o  made  under  an  immediate  annuity;   or
         o  attributable to investment in the contract before August 14, 1982.

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

Aggregation of Annuity Contracts.  All non-qualified  deferred annuity contracts
issued by Northbrook  (or its  affiliates) to the same 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

The Contract may be used with several types of qualified  plans. The income on a
qualified  plan and IRA  investments  is tax deferred and 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 an annuity in
a qualified plan or IRA. Northbrook reserves the right to limit the availability
of the Contract for use with any of the Qualified  Plans listed  below.  The tax
rules  applicable to  participants in qualified plans vary according to the type
of plan and the terms and conditions of the plan.  Qualified plan  participants,
and Contract  owners,  Annuitants  and  Beneficiaries  under the Contract may be
subject to the terms and  conditions  of the  qualified  plan  regardless of the
terms of the Contract.

TYPES OF QUALIFIED PLANS

IRAs.  Section 408 of the Code permits eligible  individuals to contribute to an
individual  retirement  plan known as an IRA. IRAs are subject to limitations on
the  amount  that can be  contributed  and on the time  when  distributions  may
commence.  Certain  distributions  from other  types of  qualified  plans may be
"rolled  over" on a  tax-deferred  basis into an IRA. An IRA  generally  may not
provide  life  insurance,  but it may  provide a death  benefit  that equals the
greater of the premiums  paid or the  Contract  value.  The Contract  provides a
death benefit that in certain situations, may exceed the greater of the payments
or the contract  value.  If the IRS treats the death  benefit as  violating  the
prohibition  on investment in life insurance  contracts,  the Contract would not
qualify as an IRA.

Roth  IRAs.  Section  408A of the  Code  permits  eligible  individuals  to make
nondeductible  contributions  to an individual  retirement  plan known as a Roth
IRA. Roth IRAs are subject to limitations on the amount that can be contributed.
In  certain  instances,  distributions  from Roth IRAs are  excluded  from gross
income.  Subject to certain limits, a traditional  Individual Retirement Account
or Annuity may be converted or "rolled over" to a Roth IRA. The taxable  portion
of a conversion or rollover  distribution  is included in gross  income,  but is
exempt from the 10% penalty tax on premature distributions.

Simplified  Employee Pension Plans.  Section 408(k) of the Code allows employers
to establish  simplified  employee  pension plans for their  employees using the
employees' IRAs if certain criteria are met. Under these plans the employer may,
within limits, make deductible contributions on behalf of the employees to their
individual  retirement  annuities.  Employers  intending  to use the contract in
connection with such plans should seek competent advice.

Savings Incentive Match Plans for Employees (SIMPLE Plans).  Sections 408(p) and
401(k) of the Tax Code allow  employers with 100 or fewer employees to establish
SIMPLE retirement plans for their employees. SIMPLE plans may be structured as a
SIMPLE  retirement  account using an employee's IRA to hold the assets,  or as a
Section 401(k) qualified cash or deferred arrangement. In general, a SIMPLE plan
consists of a salary  deferral  program for eligible  employees  and matching or
nonelective  contributions  made by  employers.  Employers  intending to use the
Contract in  conjunction  with SIMPLE plans should seek  competent tax and legal
advice.

Tax Sheltered  Annuities.  Section  403(b) of the Tax Code permits public school
employees and employees of certain types of tax-exempt  organizations (specified
in Section 501(c)(3) of the Code) to have their employers purchase Contracts for
them. Subject to certain  limitations,  a Section 403(b) plan allows an employer
to exclude the purchase  payments from the employees'  gross income.  A Contract
used for a Section 403(b) plan must provide that  distributions  attributable to
salary reduction  contributions made after 12/31/88,  and all earnings on salary
reduction contributions, may be made only:

         1) on or after the date the employee:

                  o  attains age 59 1/2;
                  o  separates from service;
                  o  dies; or
                  o  becomes disabled; or

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

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

Corporate and  Self-Employed  Pension and Profit Sharing Plans.  Sections 401(a)
and 403(a) of the Tax Code permit corporate employers to establish various types
of  tax  favored   retirement   plans  for  employees.   The  Tax  Code  permits
self-employed   individuals  to  establish  tax  favored  retirement  plans  for
themselves and their employees. Such retirement plans may permit the purchase of
Contracts to provide benefits under the plans.

State and Local  Government and Tax-Exempt  Organization  Deferred  Compensation
Plans.  Section 457 of the Code permits employees of state and local governments
and tax-exempt  organizations to defer a portion of their  compensation  without
paying current income taxes.  The employees must be  participants in an eligible
deferred  compensation  plan.  Employees  with  Contracts  under  the  plan  are
considered  general  creditors of the employer.  The  employer,  as owner of the
Contract, has the sole right to the proceeds of the Contract. Under these plans,
contributions  made for the benefit of the employees  will not be taxable to the
employees until distributed from the plan.  However,  all compensation  deferred
under a 457 plan must remain the sole property of the  employer.  As property of
the  employer,  the  assets of the plan are  subject  only to the  claims of the
employer's general creditors,  until such time as the assets become available to
the employee or a beneficiary.

INCOME TAX WITHHOLDING

Northbrook  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:

         o required minimum distributions;
         o a series of substantially  equal periodic payments made over a period
           of at  least  10  years;  or
         o over the life (joint lives) of the participant (and beneficiary).

Northbrook  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>

EXPERTS
- -------------------------------------------------------------------------------

The  financial  statements  and the  related  financial  statement  schedule  of
Northbrook  incorporated  in this  prospectus  by reference  from the  Company's
Annual  Report  on Form  10-K for the year  ended  December  31,  1999 have been
audited  by  Deloitte & Touche  LLP,  independent  auditors,  as stated in their
report, which is incorporated herein by reference, and have been so incorporated
in reliance  upon the report of such firm given upon their  authority as experts
in accounting and auditing.
<PAGE>

ANNUAL REPORTS AND OTHER DOCUMENTS
- -------------------------------------------------------------------------------

Northbrook's  annual  report on Form 10-K for the year ended  December  31, 1999
("Form 10-K Annual  Report") 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.  0000716791.  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 the 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 3100 Sanders Road,  Northbrook,  Illinois 60062 (telephone :
1-800-654-2397).

ANNUAL STATEMENTS

At  least  once a year  prior  to the  Payout  Start  Date,  we will  send you a
statement   containing   information   about  your  Contract  Value.   For  more
information, please contact your Morgan Stanley Dean Witter Financial Advisor or
call our customer support unit at 1-800-654-2397.


<PAGE>





                                   APPENDIX A

                             MARKET VALUE ADJUSTMENT

The Market Value Adjustment is based on the following:

I=       the interest crediting rate for that Sub-Account's Guarantee Period;

N=       the number of complete days from the date we receive the withdrawal
         request to the end of the Sub-Account's Guarantee Period; and

J=       the current  interest  crediting  rate for new Contracts  offered for a
         Guarantee  Period of  length N on the date we  receive  the  withdrawal
         request.

If we are not  currently  offering  a  Guarantee  Period  of  length  N, we will
determine  J by linear  interpolation  (weighted  average)  between  the current
interest rates for the next higher and lower integral  years.  If N is less than
or equal to 365  days,  J will be the rate for a  Guarantee  Period  of 365 days
duration.

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

                              .9 X (I - J) X N/365

To determine  the Market  Value  Adjustment,  we will  multiply the Market Value
Adjustment factor by the amount withdrawn (in excess of the Preferred Withdrawal
Amount),  or applied to an Income  Plan,  from a  Guarantee  Period,  other than
amounts withdrawn or applied from a renewal Guarantee Period during the first 30
days thereof.  The Market Value  Adjustment may also be applied in computing the
amount of the death benefit.


<PAGE>


                       EXAMPLES OF MARKET VALUE ADJUSTMENT

Purchase Payment: $10,000 allocated to a Guarantee Period
Guarantee Period: 5 years

Interest Rate:             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>
<CAPTION>
<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 Amount in excess of                     Preferred Withdrawal Amount (.10 X 10,000) = $1,000
        the Preferred Withdrawal Amount:                      Amount in Excess: $11,411.66 - 1,000 = $10,411.66



Step 3. Calculate the Withdrawal Charge:                      .06 X $10,411.66 = $624.70



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

                                                              N        =        730 days

                                                              Market Value Adjustment Factor: .9 X (I-J) X N/365

                                                              = .9 X (.045 - .042) X (730/365) = .0054

                                                              Market Value Adjustment = Market Value

                                                              Adjustment Factor X Amount Subject to Market

                                                              Value Adjustment:

                                                              = .0054 X $10,411.66 = $56.22



Step 5. Calculate the amount received by a Contract owner     $11,411.66 - $624.70 + $56.22 = $10,843.18
        as a result of full  withdrawal at the end of
        Contract Year 3:
</TABLE>


<PAGE>

                              EXAMPLE 2: (Assumes rising interest rates)

<TABLE>
<CAPTION>
<S>                                                <C>                              <C>    <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 Amount in excess of                     Preferred Withdrawal Amount (.10 X 10,000) = $1,000
        the Preferred Withdrawal Amount:                      Amount in Excess: $11,411.66 - 1,000 = $10,411.66



Step 3. Calculate the Withdrawal Charge:                      .06 X $10,411.66 = $624.70



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

                                                              N        =        730

                                                              Market Value Adjustment Factor: .9 X (I-J) X N/365

                                                              = .9 X (.045 - .048) X (730/365) = -.0054


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

                                                              = -.0054 X $10,411.66 = - $56.22



Step 5. Calculate the amount received by a Contract owner     $11,411.66 - $624.70 - $56.22 = $10,730.74
        as a result of full  withdrawal at the end of
        Contract Year 3:

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.
</TABLE>

<PAGE>
                                     PART II
                   INFORMATION NOT REQUIRED IN THE PROSPECTUS


ITEM 15.  INDEMNIFICATION OF DIRECTORS AND OFFICERS.

The By-laws of Northbrook  Life Insurance  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 AND FINANCIAL STATEMENT SCHEDULES.

Exhibit No.        Description

(1)  Form  of  Underwriting  Agreement  (Incorporated  herein  by  reference  to
     Post-Effective  Amendment No. 13 to the Form N-4 Registration  Statement of
     Northbrook Variable Annuity Account II of Northbrook Life Insurance Company
     (File No. 33-35412) dated December 31, 1996.)

(2)  None

(4)  Form of Northbrook Life Insurance Company Flexible Premium Deferred Annuity
     Certificate and Application  (Previously filed in Post-Effective  Amendment
     No. 3 to this  Registration  Statement (File No.  033-84480) dated April 1,
     1997.)

(5)(a) Opinion and Consent of General Counsel re: Legality  (Previously filed in
     Post-Effective  Amendment  No. 3 to this  Registration  Statement(File  No.
     033-84480) dated April 1, 1997.)

(5)(b) Opinion and Consent of General Counsel re: Legality  (Previously filed in
     Post-Effective  Amendment No. 5 to this  Registration  Statement  (File No.
     033-84480) dated April 29, 1999.)


(8)  None

(11) None

(12) None

(15) None

(23)(a) Independent Auditors' Consent

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

(24) Powers of Attorney for Thomas J. Wilson,  II,  Michael J. Velotta,  John R.
     Hunter, Samuel H. Pilch, Kevin R. Slawin, Casey J. Sylla, Sarah R. Donahue,
     and Timothy N. Vander Pas.

(25) None

(26) None

(27) Not applicable

(99) Form  of   Resolution   of  Board  of   Directors   (Previously   filed  in
     Post-Effective  Amendment No. 3 to this  Registration  Statement  (File No.
     033-84480) dated April 1, 1997.


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;

     (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,  Northbrook  Life  Insurance  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


Pursuant to the requirements of 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 3rd day of April, 2000.


                        NORTHBROOK LIFE INSURANCE COMPANY
                                  (REGISTRANT)

                             THE CUSTOM PLUS ANNUITY



*/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)

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

*/CASEY J. SYLLA                     Chief Investment Officer and Director
Casey J. Sylla

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

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



*/By Michael J. Velotta, pursuant to Powers of Attorney filed herewith



                                  EXHIBIT LIST

The following exhibits are filed herewith:

Exhibit No.        Description


(23)(a)            Independent Auditors' Consent
(23)(b)            Consent of Freedman, Levy, Kroll & Simonds
(24)               Powers of Attorney for Thomas J. Wilson,  II,
                   Michael J. Velotta, John R. Hunter,  Samuel H. Pilch,
                   Kevin R. Slawin, Casey J. Sylla,  Sarah R. Donahue,  and
                   Timothy N. Vander Pas.






(23)(a)            Independent Auditors' Consent

INDEPENDENT AUDITORS' CONSENT

We consent to the  incorporation by reference in this  Post-Effective  Amendment
No. 6 to Registration  Statement  033-84480 of Northbrook Life Insurance Company
on Form S-3 of our report  dated  February  25,  1999,  appearing  in the Annual
Report on Form 10-K of  Northbrook  Life  Insurance  Company  for the year ended
December 31, 1999, and to the reference to us under the heading "Experts" in the
Prospectus, which is part of this Registration Statement.



/s/ DELOITTE & TOUCHE LLP

Chicago, Illinois
April 3, 2000




<PAGE>

(23)(b)            Consent of Attorneys

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. 6 to the
Form S-3 Registration  Statement of Northbrook Life Insurance  Company (File No.
033-84480).



                            /s/  FREEDMAN, LEVY, KROLL & SIMONDS


Washington, D.C.
April 3, 2000






                                POWER OF ATTORNEY

                WITH RESPECT TO NORTHBROOK LIFE INSURANCE COMPANY
                                  (REGISTRANT)

                             THE CUSTOM PLUS ANNUITY

     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 power of substitution, in any and all capacities, to sign
any Form S-3 registration  statements and amendments  thereto for the Northbrook
Life Insurance Company  (Registrant) and to file the same, with 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 3, 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 NORTHBROOK LIFE INSURANCE COMPANY
                                  (REGISTRANT)

                             THE CUSTOM PLUS ANNUITY


     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 power of substitution, in any and all capacities, to sign
any Form S-3 registration  statements and amendments  thereto for the Northbrook
Life Insurance Company  (Registrant) and to file the same, with 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 3, 2000
                                  -------------------
                                  Date



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




<PAGE>





                                POWER OF ATTORNEY

                WITH RESPECT TO NORTHBROOK LIFE INSURANCE COMPANY
                                  (REGISTRANT)

                             THE CUSTOM PLUS ANNUITY


     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, his attorney-in-fact,  with power of substitution,  and him in
any and all  capacities,  to sign  any  Form  S-3  registration  statements  and
amendments thereto for the Northbrook Life Insurance Company (Registrant) and to
file  the  same,  with  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 3, 2000
                                  -------------------
                                  Date



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





<PAGE>






                                POWER OF ATTORNEY

                WITH RESPECT TO NORTHBROOK LIFE INSURANCE COMPANY
                                  (REGISTRANT)

                             THE CUSTOM PLUS ANNUITY


     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, his attorney-in-fact, with power of substitution, and
him in any and all capacities,  to sign any Form S-3 registration statements and
amendments thereto for the Northbrook Life Insurance Company (Registrant) and to
file  the  same,  with  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 3, 2000
                                  -------------------
                                  Date



                                  /s/SAMUEL H. PILCH
                                  -------------------
                                  Samuel H. Pilch
                                  Controller



<PAGE>






                                POWER OF ATTORNEY

                WITH RESPECT TO NORTHBROOK LIFE INSURANCE COMPANY
                                  (REGISTRANT)

                             THE CUSTOM PLUS ANNUITY


     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, his attorney-in-fact, with power of substitution, and
him in any and all capacities,  to sign any Form S-3 registration statements and
amendments thereto for the Northbrook Life Insurance Company (Registrant) and to
file  the  same,  with  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 3, 2000
                                  -------------------
                                  Date



                                  /s/KEVIN R. SLAWIN
                                  -------------------
                                  Kevin R. Slawin
                                  Vice President and Director




<PAGE>






                                POWER OF ATTORNEY

                WITH RESPECT TO NORTHBROOK LIFE INSURANCE COMPANY
                                  (REGISTRANT)

                             THE CUSTOM PLUS ANNUITY


     Know all men by these presents that Casey J. Sylla, whose signature appears
below,  constitutes and appoints  Thomas J. Wilson,  II, and Michael J. Velotta,
and each of them, his attorney-in-fact,  with power of substitution,  and him in
any and all  capacities,  to sign  any  Form  S-3  registration  statements  and
amendments  thereto for Northbrook Life Insurance  Company  (Registrant)  and to
file  the  same,  with  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 3, 2000
                                  -------------------
                                  Date



                                  /s/CASEY J. SYLLA
                                  -------------------
                                  Casey J. Sylla
                                  Chief Investment Officer and Director




<PAGE>







                                POWER OF ATTORNEY

                WITH RESPECT TO NORTHBROOK LIFE INSURANCE COMPANY
                                  (REGISTRANT)

                             THE CUSTOM PLUS ANNUITY


     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, her attorney-in-fact, with power of substitution, and
him in any and all capacities,  to sign any Form S-3 registration statements and
amendments thereto for the Northbrook Life Insurance Company (Registrant) and to
file  the  same,  with  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 3, 2000
                                  -------------------
                                  Date



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




<PAGE>






                                POWER OF ATTORNEY

                WITH RESPECT TO NORTHBROOK LIFE INSURANCE COMPANY
                                  (REGISTRANT)

                             THE CUSTOM PLUS ANNUITY



     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, his attorney-in-fact, with power of substitution, and
him in any and all capacities,  to sign any Form S-3 registration statements and
amendments thereto for the Northbrook Life Insurance Company (Registrant) and to
file  the  same,  with  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 3, 2000
                                  -------------------
                                  Date



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






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