PRINCIPAL MUTUAL LIFE INSURANCE COMPANY SEPARATE ACCOUNT B
497, 1998-03-04
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                         SUPPLEMENT DATED MARCH 4, 1998
                                     TO THE
          PRINCIPAL VARIABLE ANNUITY PROSPECTUS DATED DECEMBER 29, 1997

The  prospectus  dated  December 29, 1997 for the above  referenced  contract is
amended by deleting the last paragraph on page 20 and inserting the following in
lieu thereof:

No surrender charge will be imposed where prohibited by state law, including:

     a)  State of New Jersey - no  surrender  charge  will be imposed  upon full
         surrender  on or after the later of the  Annuitant's  age 64 or 4 years
         after the Contract Date.

     b)  State of  Washington  - no  surrender  charge will be imposed upon full
         surrender on or after the later of the  Annuitant's  age 70 or 10 years
         after the Contract Date.

RF 581 S-4


                     PRINCIPAL MUTUAL LIFE INSURANCE COMPANY

                               SEPARATE ACCOUNT B


                   FLEXIBLE VARIABLE ANNUITY ("FVA") CONTRACT


        Issued by Principal Mutual Life Insurance Company (the "Company")





   
                         Prospectus dated ______________
    




This Prospectus  concisely sets forth  information  about Principal  Mutual Life
Insurance  Company Separate Account B and the Flexible Variable Annuity Contract
(the "Contract") that an investor ought to know before  investing.  It should be
read and retained for future reference.

Contributions  to the Contract are not deposits or obligations of, or guaranteed
by or  endorsed  by any bank nor are  contributions  to the  Contract  federally
insured by the Federal Deposit Insurance Corporation,  the Federal Reserve Board
or any other governmental agency.

   
Additional  information about the Contract,  including a Statement of Additional
Information,  dated  ________,  has been filed with the  Securities and Exchange
Commission. The Statement of Additional Information is incorporated by reference
into this  Prospectus.  The table of contents  of the  Statement  of  Additional
Information  appears on page __ of this  Prospectus.  A copy of the Statement of
Additional Information can be obtained,  free of charge, upon request by writing
or telephoning:
    



                                Variable Annuity
                          The Principal Financial Group
                                  P.O. Box 9382
                            Des Moines, IA 50306-9382
                            Telephone: 1-800-247-9988



THESE  SECURITIES  HAVE NOT BEEN APPROVED OR  DISAPPROVED  BY THE SECURITIES AND
EXCHANGE  COMMISSION OR ANY STATE  SECURITIES  COMMISSION NOR HAS THE SECURITIES
AND  EXCHANGE  COMMISSION  OR ANY STATE  SECURITIES  COMMISSION  PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.



This Prospectus is valid only when accompanied by the current prospectus for the
Principal Variable  Contracts Fund, Inc. These  prospectuses  should be kept for
future reference.
<PAGE>
   
                                TABLE OF CONTENTS
                                                                         Page
Glossary of Special Terms ..............................................    3
Expense Table and Example...............................................    5
Summary  ..............................................................     6
Condensed Financial Information.........................................    9
Description of Principal Mutual Life Insurance Company .................   10
Principal Mutual Life Insurance Company Separate Account B .............   11
Mutual Funds............................................................   11
Surplus Distribution at Sole Discretion of the Company .................   12
The Contract ...........................................................   12
   Purchasing a Contract................................................   12
     Purchase Payment Limitations.......................................   12
     Allocation of Purchase Payments....................................   13
     Right to Examine the Contract......................................   13
     Exchange Credit....................................................   13
   Prior to the Retirement Date.........................................   14
     Determining the Accumulated Value of the Contract..................   14
     Allocation of Purchase Payments....................................   15
     Transfers..........................................................   15
     Automatic Portfolio Rebalancing....................................   15
     Telephone Services.................................................   16
     Total and Partial Surrenders.......................................   16
     Benefit Payable on Death of Annuitant or Owner.....................   17
   After the Retirement Date............................................   19
     Retirement Date ...................................................   19
     Benefit Options ...................................................   19
     Death of Annuitant or Other Payee..................................   20
Charges and Deductions .................................................   20
   Annual Fee...........................................................   20
   Mortality and Expense Risks Charge ..................................   21
   Transaction Fee......................................................   21
   Premium Taxes .......................................................   21
   Surrender Charge.....................................................   21
   Administrative Expense Charge........................................   23
   Special Provisions for Group or Sponsored Arrangements...............   23
Fixed Account...........................................................   23
   General Description .................................................   24
   Fixed Account Value .................................................   24
   Fixed Account Transfers, Total and Partial Surrenders................   24
General Provisions .....................................................   25
   The Contract.........................................................   25
   Postponement of Payments.............................................   25
   Misstatement of Age or Sex and Other Errors..........................   25
   Assignment ..........................................................   25
   Change of Owner......................................................   25
   Beneficiary..........................................................   25
Reports  .............................................................     26
Rights Reserved by the Company..........................................   26
Distribution of the Contract............................................   26
Performance Calculation.................................................   26
Voting Rights...........................................................   27
Federal Tax Matters.....................................................   28
   Non-Qualified Contracts..............................................   28
   Required Distributions for Non-Qualified Contracts...................   29
   IRA, SEP, SAR/SEP, SIMPLE-IRA and ROTH IRA...........................   29
   Withholding..........................................................   29
   Mutual Fund Diversification..........................................   29
State Regulation........................................................   30
Legal Opinions..........................................................   30
Legal Proceedings.......................................................   30
Registration Statement..................................................   30
Other Variable Annuity Contracts........................................   30
Independent Auditors....................................................   30
Financial Statements....................................................   30
Contractholders' Inquiries..............................................   30
Table of Contents of the Statement of Additional Information..........     31
Appendix A............................................................     32
    

This Prospectus does not constitute an offer of, or solicitation of any offer to
acquire, any interest in the Contract in any jurisdiction in which such an offer
or  solicitation  may not lawfully be made.  No person is authorized to give any
information or to make any representations in connection with the Contract other
than those contained in this Prospectus.

GLOSSARY OF SPECIAL TERMS

Account -- Series or  portfolio  of a Mutual  Fund in which a  Separate  Account
Division invests.

Accumulated  Value  -- An  amount  equal to the  Fixed  Account  Value  plus the
Separate Account Value.

Anniversary -- The same date and month of each year following the Contract Date.

Annual Fee -- A charge  deducted once each Contract Year prior to the Retirement
Date,  either on the last day of the  Contract  Year or the date the Contract is
surrendered in full (a total redemption).

Annuitant  -- The  person,  including  any Joint  Annuitant,  on whose  life the
Benefit Option payment is based. This person may or may not be the Owner.

Benefit Option -- The options  described in the Benefit  Options section of this
Prospectus.

Contract  Date -- The date the  contract is issued as shown on the current  Data
Page of the contract.

Contract Year -- The one-year  period  beginning on the Contract Date and ending
one day before the Anniversary and any subsequent  one-year period  beginning on
an Anniversary.

     Example: If the Contract Date is June 5, 2000, the first Contract Year ends
     on June 4,  2001,  and the first  Anniversary  falls on June 5,  2001.  The
     second Contract Year ends on June 4, 2002, and the second Anniversary falls
     on June 5, 2002, etc.

Critical  Need -- The  Owner's  or  Annuitant's  confinement  to a  Health  Care
Facility, Terminal Illness diagnosis or Total and Permanent Disability.

Division -- A part of the  Separate  Account to which  Purchase  Payments may be
allocated  which invests in shares of an account of a Mutual Fund.  The value of
an  investment  in a Division  is  variable  and not  guaranteed.  Division  may
sometimes be referred to as a Subaccount.

Fixed Account -- An account to which  Purchase  Payments may be allocated  which
earns guaranteed interest.

Fixed  Account Value -- The amount of an Owner's  Accumulated  Value which is in
the Fixed Account.

Health  Care  Facility  -- A licensed  hospital or  inpatient  nursing  facility
providing  daily medical  treatment  and keeping daily medical  records for each
patient (not primarily  providing just residency or retirement  care). This does
not include a facility that primarily provides drug or alcohol  treatment,  or a
facility  owned or  operated  by the  Owner or  Annuitant  or a member  of their
immediate families.

Internal  Revenue Code -- The Internal  Revenue  Code of 1986,  as amended,  and
regulations  thereunder.  Reference to the Internal Revenue Code means such Code
or  the  corresponding  provisions  of  any  subsequent  revenue  code  and  any
regulations thereunder.

Joint Annuitant -- An additional Annuitant. The Joint Annuitants must be husband
and wife,  and must be named as Owner  and Joint  Owner.  Any  reference  to the
Annuitant's  death  means  the  death of the last  surviving  Annuitant.  (Joint
Annuitants are not permitted in New Jersey, New York or Pennsylvania.)

Joint  Owners  -- An Owner  who has an  undivided  interest  with  the  right of
survivorship  in this  contract  with  another  Owner.  The Joint Owners must be
husband  and  wife,  and must be named as  Annuitant  and Joint  Annuitant.  Any
reference  to the  Owner's  death means the death of the last  surviving  Owner.
Joint  ownership  is not  available  for  Contracts  issued to  residents of New
Jersey, Pennsylvania or New York.

Mutual  Fund -- A  registered  open-end  investment  company in which a Division
invests.

Net Investment Factor -- The factor used to determine the change in the value of
a Unit during a Valuation Period.

Notice -- Any form of written communication  received by the Company at its home
office or in another form approved in advance by the Company.

Owner -- The  person,  including  any  Joint  Owner,  who owns  all  rights  and
privileges of this  contract.  If the Owner is not a natural  person,  the Owner
must be an entity with its own taxpayer identification number.

Purchase  Payments -- The gross  amount  contributed  to the  Contract  less any
applicable premium taxes or similar governmental assessments.

Retirement Date -- The date the Owner's  Accumulated  Value is applied,  under a
Benefit Option, to make income payments.

Separate  Account B -- An account  established  by the Company under Iowa law to
receive  Purchase  Payments under the Contract and other contracts issued by the
Company.  It is divided into  Divisions,  each of which  invests in shares of an
Account of a Mutual Fund.
Divisions may be added, eliminated or combined in the future.

Separate Account Value -- The amount of an Owner's  Accumulated Value in all the
Divisions of the Separate Account.

Surrender  Charge -- The charge  deducted upon any partial or total surrender of
the Contract before the Retirement Date.

Terminal  Illness  -- A  sickness  or injury  that  results  in the  Owner's  or
Annuitant's  life  expectancy  being 12 months  or less from the date  notice to
receive a distribution from the Contract is provided to the Company.

Total and Permanent  Disability  -- A disability  that occurs after the Contract
Date and that  qualifies  the Owner or  Annuitant  to  receive  Social  Security
disability benefits.

Transaction Fee -- A charge deducted due to unscheduled  partial surrenders from
the  Contract  after  the  first  such  surrender  in a  Contract  Year and from
unscheduled  transfers from a Separate  Account  Division after the twelfth such
transfer in a Contract Year.

Unit -- The  accounting  measure  used to  calculate  the value of the  Separate
Account Value prior to the Retirement Date.

Unit  Value -- A  measure  used to  determine  the value of an  investment  in a
Division.

Valuation  Date -- The date as of which the net asset  value of a Mutual Fund is
determined.

Valuation  Period -- The period of time  between  when the net asset  value of a
Mutual  Fund is  determined  on one  Valuation  Date  and  when  such  value  is
determined on the next following Valuation Date.
<PAGE>
EXPENSE TABLE AND EXAMPLE

     The following  tables depict fees and expenses  applicable to the Contract.
The example  below should not be considered a  representation  of past or future
expenses;  actual expenses may be greater or less than those shown. See "Charges
and Deductions."

<TABLE>
                                  EXPENSE TABLE
<CAPTION>
   Transaction Expenses
     Sales Load Imposed on Purchases
       (as a percentage of Purchase Payments)          None

   Surrender Charge (as a percentage       Number of Completed Contract Years Since        Surrender Charge Applied to all Purchase
   of amount surrendered)                  Purchase Payment was made                       Payments Received in that Contract Year
                                                <S>                                                  <C>
                                                0 (year of Purchase Payment)                         6%
                                                1                                                    6%
                                                2                                                    6%
                                                3                                                    5%
                                                4                                                    4%
                                                5                                                    3%
                                                6                                                    2%
                                                7 and later                                          0%
</TABLE>

     Transaction Fee (a)       No fee on  first unscheduled  partial
                               surrender during  a  Contract   Year;
                               $30 on each unscheduled surrender thereafter.

   Annual Contract Fee         The lesser of $30 or 2% of the Accumulated Value.

   Separate Account Annual Expenses (b)
     (as a percentage of average account value)
     Mortality and Expense Risks Fees                         1.25%
     Other Separate Account Expenses                           0

     Total Separate Account Annual
       Expenses                                               1.25%

<TABLE>
   Annual Expenses of Accounts
     (as a percentage of average net assets)
<CAPTION>
                                                Management                                          Total Account
                                                   Fees                  Other Expenses            Annual Expenses

   <S>                                            <C>                       <C>                       <C> 
   
   Aggressive Growth Account                       .80%                     .02%                       .82%
   Asset Allocation Account                        .80%                     .09%                       .89%
   Balanced Account                                .59%                     .02%                       .61%
   Bond Account                                    .50%                     .02%                       .52%
   Capital Value Account                           .46%                     .01%                       .47%
   Government Securities Account                   .50%                     .02%                       .52%
   Growth Account                                  .49%                     .01%                       .50%
   International Account                           .74%                     .13%                       .87%
   International SmallCap Account                 1.20%                     .06%                      1.26%(c)
   MicroCap Account                               1.00%                     .06%                      1.06%(c)
   MidCap Account                                  .62%                     .02%                       .64%
   MidCap Growth Account                           .90%                     .06%                       .96%(c)
   Money Market Account                            .50%                     .05%                       .55%
   Real Estate Account                             .90%                     .06%                       .96%(c)
   SmallCap Account                                .85%                     .06%                       .91%(c)
   SmallCap Growth Account                        1.00%                     .06%                      1.06%(c)
   SmallCap Value Account                         1.10%                     .06%                      1.16%(c)
   Utilities Account                               .60%                     .06%                       .66%(c)
</TABLE>
    

     (a)  $30  transaction  fee will be  assessed on each  unscheduled  transfer
          after the twelfth such transfer during a Contract Year.
     (b) The Company  has  reserved  the right to assess a daily  administrative
         charge at a nominal annual rate of .15% of the average daily net assets
         of each Division of the Separate Account.
     (c) Estimated Expenses.
<PAGE>
<TABLE>
                                     EXAMPLE
<CAPTION>
                                            Separate Account Division          1 Year     3 Years    5 Years   10 Years
   <S>                                     <C>                                   <C>       <C>         <C>       <C> 
   
   If you surrender your contract at the   Aggressive Growth Division            $83       $120        $148      $243
   end of the applicable time period:      Asset Allocation Division             $84       $122        $151      $251
                                           Balanced Division                     $81       $114        $137      $221
     You would pay the following           Bond Division                         $80       $112        $133      $212
     expenses on a $1,000 investment,      Capital Value Division                $80       $110        $130      $207
     assuming 5% annual return on assets:  Government Securities Division        $80       $112        $133      $212
                                           Growth Division                       $80       $111        $132      $210
                                           International Division                $84       $122        $150      $249
                                           International SmallCap Division       $87       $133         N\A       N\A
                                           MicroCap Division                     $85       $127         N\A       N\A
                                           MidCap Division                       $81       $115        $139      $225
                                           MidCap Growth Division                $84       $124         N\A       N\A
                                           Money Market Division                 $81       $113        $134      $215
                                           Real Estate Division                  $84       $124         N\A       N\A
                                           SmallCap Division                     $84       $123         N\A       N\A
                                           SmallCap Growth Division              $85       $127         N\A       N\A
                                           SmallCap Value Division               $82       $130         N\A       N\A
                                           Utilities Division                    $82       $116         N\A       N\A

   If you annuitize at the end of the      Aggressive Growth Division            $21        $66        $113      $243
   applicable time period or do not        Asset Allocation Division             $22        $68        $117      $251
   surrender your contract:                Balanced Division                     $19        $59        $102      $221
                                           Bond Division                         $18        $57         $98      $212
                                           Capital Value Division                $18        $55         $95      $207
     You would pay the following           Government Securities Division        $18        $57         $98      $212
     expenses on a $1,000 investment,      Growth Division                       $18        $56         $97      $210
     assuming 5% annual return on assets:  International Division                $22        $67         $116     $249
                                           International SmallCap Division       $26        $79         N\A       N\A
                                           MicroCap Division                     $24        $73         N\A       N\A
                                           MidCap Division                       $20        $60        $104      $225
                                           MidCap Growth Division                $23        $70         N\A       N\A
                                           Money Market Division                 $19        $58         $99      $215
                                           Real Estate Division                  $23        $70         N\A       N\A
                                           SmallCap Division                     $22        $69         N\A       N\A
                                           SmallCap Growth Division              $24        $73         N\A       N\A
                                           SmallCap Value Division               $25        $76         N\A       N\A
                                           Utilities Division                    $20        $61         N\A       N\A
</TABLE>
    
The  purpose  of the above  table is to assist  the Owner in  understanding  the
various costs and expenses that an Owner will bear directly or  indirectly.  The
table reflects  expenses of the Separate  Account as well as the expenses of the
Accounts in which the Separate Account invests. In certain circumstances,  state
premium taxes will also be applicable. See "Charges and Deductions."
<PAGE>
SUMMARY

The  following   summary  should  be  read  in  conjunction  with  the  detailed
information in this  Prospectus.  This Prospectus  generally  describes only the
portion of the Contract involving the Separate Account.  For a brief description
of the Fixed  Account,  please  refer to the  heading  "Fixed  Account"  in this
Prospectus.

   
The Flexible  Variable  Annuity  Contract (also known as the Principal  Variable
Annuity  Contract) (the "Contract")  described in this Prospectus is designed to
provide  individuals with retirement  benefits in connection with (1) Individual
Retirement Annuity plans or programs ("IRA Plans"),  Roth IRA Plans,  Simplified
Employee Pension Plans ("SEPs"),  Salary Reduction  Simplified  Employee Pension
Plans  ("SAR/SEPs")  and Savings  Incentive Match Plan for Employees  ("SIMPLE")
IRAs  adopted  pursuant  to Section  408 of the  Internal  Revenue  Code and (2)
non-qualified retirement plans.
    

Minimum Investment Amount

For Contracts  issued in connection with  non-qualified  retirement  plans,  the
initial Purchase  Payment must be at least $2,500.  The initial Purchase Payment
for all  other  Contracts  must  be at  least  $1,000.  The  minimum  subsequent
investment  is  $100.  A  $100  monthly   minimum  for  initial  and  subsequent
investments is available for Contracts to which Purchase  Payments are made on a
monthly basis through a payroll  deduction plan or through an account of bank or
similar financial  institution under an Automatic Investment Program.  Forms and
preauthorized check agreements to establish an Automatic  Investment Program are
available from Princor Financial Services  Corporation.  For Contracts which are
issued in connection with a retirement plan covering more than four people,  the
initial and subsequent  monthly Purchase Payment under each Contract must at all
times  average  at  least  $100 and in no case be less  than  $50.  The  Company
reserves the right to terminate a Contract and distribute the Accumulated Value,
less any  applicable  charges,  if no  Purchase  Payments  are paid  during  two
consecutive  calendar years and the Accumulated Value or total Purchase Payments
less partial  surrenders and applicable  surrender  charges is less than $2,000.
See "Purchase Payment Limitations."

The initial  Purchase  Payment is  allocated,  as  specified by the Owner in the
Contract  application,  among  one or  more  of the  Divisions  of the  Separate
Account, or to the Fixed Account,  or to both.  Subsequent Purchase Payments are
allocated in the same way, or pursuant to different allocation  percentages that
the Owner may subsequently specify.

Separate Account Investment Options

Each  of  the  Divisions  of  the  Separate  Account  invests  in  shares  of  a
corresponding  Account  in the  Principal  Variable  Contracts  Fund,  Inc.  The
Accumulated  Value in each of the Divisions of the Separate Account will vary to
reflect the investment experience of each of the corresponding  Accounts as well
as deductions for certain charges.

   
Each Account has a separate and distinct investment  objective and is managed by
Principal  Management   Corporation,   ("Manager").   For  providing  investment
management  services to the Accounts of the Principal  Variable  Contracts Fund,
Inc.(the  "Fund"),  the Manager  receives  fees from each  Account  based on the
average  daily net assets of the  Account.  Each  Account also bears most of its
other expenses. A full description of Accounts and their investment  objectives,
policies  and risks can be found in the  current  Prospectus  for the  Principal
Variable Contracts Fund, Inc., which accompanies this Prospectus.
    

Transfers

Subject to restrictions described in this Prospectus,  an Owner can transfer all
or part of the Accumulated Value among the Contract's  investment  options prior
to the Retirement Date. Transfers from one Division to another or into the Fixed
Account can be made by the Owner on an  unscheduled or scheduled  basis.  Owners
may transfer  limited  amounts once each Contract Year from the Fixed Account to
the Separate Account or may elect to make scheduled monthly transfers.

Total or Partial Surrenders

All or part of the  Accumulated  Value of a Contract may be  surrendered  by the
Owner prior to the  Retirement  Date.  Amounts  surrendered  may be subject to a
Surrender  Charge and total  surrenders  will be subject to the Annual  Fee,  if
applicable. The Surrender Charge does not apply to certain withdrawals including
the  withdrawal  during any Contract Year of an amount not to exceed the greater
of the  earnings  in the  Contract  or 10% of the  Purchase  Payments  otherwise
subject to the Surrender Charge. See "Total and Partial Surrenders,"  "Surrender
Charge"  and  "Annual  Fee."  Particular  attention  should  be  paid to the tax
implications  of any  surrender,  including  possible  penalties  for  premature
distributions. See "Federal Tax Matters."

Charges and Deductions

 The Company  deducts  daily charges at a rate of 1.25% per year of the value of
the average net assets of the  Separate  Account for the  mortality  and expense
risks it assumes. The Company has reserved the right to assess a daily charge at
a rate of .15% per year of the value of the average  net assets in the  Separate
Account to cover certain  administrative  expenses.  See  "Mortality and Expense
Risks Charge" and "Administrative Expense Charge."

To permit investment of the entire Purchase Payment, the Company does not deduct
sales charges at the time of investment.  However, a Surrender Charge is imposed
on certain total or partial  surrenders of the Contract to help defray  expenses
relating  to the  sale of the  Contract,  including  commissions  to  registered
representatives  and  other  promotional   expenses.   Certain  amounts  may  be
surrendered  without the  imposition of any  Surrender  Charge.  See  "Surrender
Charge."

There is also an Annual Fee for Contract  administration  and maintenance.  This
charge is the lesser of $30 or 2% of the Owner's  Accumulated  Value (subject to
any applicable  state law  limitations)  and is deducted on each Anniversary and
upon total  surrender of the  Contract.  This charge is not deducted  during the
Benefit Option period. The Company currently waives the Annual Fee for Contracts
that have an Accumulated  Value on the last day of the Contract Year of at least
$30,000.

Certain  states  and  other  jurisdictions   impose  premium  taxes  or  similar
assessments upon the Company,  either at the time Purchase  Payments are made or
when the Accumulated Value is surrendered or applied under a Benefit Option. The
Company  reserves  the  right to  deduct an amount  from  Purchase  Payments  or
Accumulated Value to cover such taxes or assessments, if any, when applicable.

Benefit Option Payments

The  Contract  provides  several  types  of fixed  payment  Benefit  Options  to
Annuitants or their  Beneficiaries.  The Owner has  considerable  flexibility in
choosing the Retirement  Date.  However,  the tax  implications of distributions
must be  carefully  considered,  including  the  possibility  of  penalties  for
commencing  benefits  either too soon or too late.  See  "Benefit  Options"  and
"Federal Tax Matters."

Death Benefit

In the event that the Annuitant or Owner dies prior to the  Retirement  Date, an
enhanced death benefit is payable to the Beneficiary of the Contract.  The death
benefit  may be paid as  either a single  sum cash  benefit  or under a  Benefit
Option.  See "Benefit  Payable on Death of Annuitant or Owner." In the event the
Annuitant dies on or after the Retirement  Date,  the  Beneficiary  will receive
only any  continuing  payments  which may be provided  by the Benefit  Option in
effect.

Right to Examine the Contract

The Owner has a right to examine the Contract. The Owner can cancel the Contract
by delivering or mailing it, together with a written  request,  to the Company's
home office or to the sales representative through whom it was purchased, before
the close of  business  on the  tenth day (or such  later  date as  provided  by
applicable state law) after receipt of the Contract.  If these items are sent by
mail, properly addressed and postage prepaid, they will be deemed to be received
by the  Company on the date  postmarked.  The  Company  will  return  either all
Purchase  Payments made,  without interest or  appreciation,  or the Accumulated
Value of the Contract, whichever is required by applicable state law.

Tax Implications

The tax  implications  for Owners,  Annuitants  and  Beneficiaries  can be quite
important.  A brief  discussion  of some of these is set out under  "Federal Tax
Matters"  in  this  Prospectus,   but  such  discussion  is  not  comprehensive.
Therefore,  an Owner  should  consider  these  matters  carefully  and consult a
qualified tax advisor before making Purchase Payments or taking any other action
in  connection  with the  Contract.  Failure  to do so could  result in  serious
adverse tax consequences which might otherwise have been avoided.

Questions and Other Communications

Any question  about  procedures  or the  Contract  should be directed to a sales
representative,  or the Company's home office:  Variable Annuity,  The Principal
Financial Group,  P.O. Box 9382, Des Moines,  Iowa  50306-9382;  1-800-247-9988.
Purchase Payments and written requests should be mailed or delivered to the same
home office address. All communications  should include the Contract number, the
Owner's name and, if different, the Annuitant's name.

Any  Purchase  Payment  or other  communication,  except a  cancellation  notice
described above under "Right to Examine the Contract," is deemed received at the
Company's  home office on the actual date of receipt there in proper form unless
received (1) after the close of regular  trading on the New York Stock Exchange,
or (2) on a date that is not a Valuation Date. In either of these two cases, the
date of receipt will be deemed to be the next Valuation Date.

Total or Partial Surrenders

An Owner may withdraw cash from the Contract at any time prior to the Retirement
Date  subject  to any  charges  that may be  applied.  See  "Total  and  Partial
Surrenders."  Note that withdrawals  before age 59 1/2 may involve an income tax
penalty. See "Federal Tax Matters."
<PAGE>
CONDENSED FINANCIAL INFORMATION

     Financial   statements   are  included  in  the   Statement  of  Additional
Information.  Following  are  Unit  Values  for the  Flexible  Variable  Annuity
Contract for the periods ended December 31.
<TABLE>
<CAPTION>
                                             Accumulation Unit Value           Number of Accumulation Units

                                            Beginning         End              Outstanding at End of Period
                                            of Period      of Period                  (in thousands)
     <S>                                     <C>              <C>                        <C>  
   
     Aggressive Growth Division
       Year Ended December 31
         1997                                18.340           23.689                     6,077
         1996                                14.503           18.340                     3,971
         1995                                10.184           14.503                     1,324
       Period Ended December 31, 1994 (1)    10.075           10.184                       362
     Asset Allocation Division
       Year Ended December 31
         1997                                13.260           15.478                     3,134
         1996                                11.891           13.260                     2,264
         1995                                 9.978           11.891                       912
       Period Ended December 31, 1994 (1)    10.075            9.978                       303
     Balanced Division
       Year Ended December 31
         1997                                13.708           15.966                     6,717
         1996                                12.270           13.708                     4,661
         1995                                 9.972           12.270                     1,373
       Period Ended December 31, 1994 (1)    10.266            9.972                       370
     Bond Division
       Year Ended December 31
         1997                                12.275           13.408                     5,017
         1996                                12.143           12.275                     3,872
         1995                                10.064           12.143                     1,401
       Period Ended December 31, 1994 (1)    10.050           10.064                       301
     Capital Value Division
       Year Ended December 31
         1997                                16.261           20.642                     9,320
         1996                                13.333           16.261                     6,267
         1995                                10.234           13.333                     2,232
       Period Ended December 31, 1994 (1)    10.328           10.234                       699
     Government Securities Division
       Year Ended December 31
         1997                                11.969           13.049                     5,946
         1996                                11.728           11.969                     5,443
         1995                                 9.973           11.728                     2,023
       Period Ended December 31, 1994 (1)    10.133            9.973                       572
     Growth Division
       Year Ended December 31
         1997                                14.411           18.070                     7,898
         1996                                12.970           14.411                     6,089
         1995                                10.454           12.970                     2,619
       Period Ended December 31, 1994 (1)    10.336           10.454                       764
     International Division
       Year Ended December 31
         1997                                13.347           14.795                     7,316
         1996                                10.804           13.347                     4,797
         1995                                 9.582           10.804                     2,146
       Period Ended December 31, 1994 (1)     9.624            9.582                       936
     MidCap Division
       Year Ended December 31
         1997                                15.405           18.676                     9,820
         1996                                12.880           15.405                     7,285
         1995                                10.108           12.880                     3,059
       Period Ended December 31, 1994 (1)    10.157           10.108                       973
     Money Market Division
       Year Ended December 31
         1997                                11.027           11.463                     2,752
         1996                                10.628           11.027                     2,929
         1995                                10.194           10.628                     1,370
       Period Ended December 31, 1994 (1)    10.027           10.194                       702
</TABLE>
    
      (1) Commenced operations on June 16, 1994.
<PAGE>
DESCRIPTION OF PRINCIPAL MUTUAL LIFE INSURANCE COMPANY (The "Company")

Principal Mutual Life Insurance  Company is a mutual life insurance company with
its home  office at The  Principal  Financial  Group,  Des  Moines,  Iowa 50306,
telephone number 515-247-5111.  It was originally incorporated under the laws of
the  State of Iowa in 1879 as  Bankers  Life  Association,  changed  its name to
Bankers  Life  Company in 1911 and  changed  its name to  Principal  Mutual Life
Insurance  Company in 1986. It is a member of The Principal  Financial  Group, a
diversified family of insurance and financial services corporations.

   
The Board of Directors of the Company has approved a Plan of Reorganization (the
"Plan")  pursuant to which the  Company  will adopt a mutual  insurance  holding
company structure.  The Plan was approved by the owners of annuity contracts and
life  insurance  policies  issued by the Company and has been  submitted  to the
Commissioner  of  Insurance of the State of Iowa (the "Iowa  Commissioner")  for
approval.

Under the Plan, the Company will form a mutual  insurance  holding company named
"Principal  Mutual  Holding  Company" and will convert to a stock life insurance
company.  As part of such  conversion,  the  Company  will  change  its  name to
"Principal Life Insurance Company" ("Principal Life").  Principal Mutual Holding
Company will be the ultimate  parent company in the family of companies known as
the Principal Financial Group(R).

Because the Company currently is a mutual life insurance  company,  Owners have,
in addition to  contract  rights  related to the  Contract,  certain  membership
interests in the  Company,  consisting  principally  of the right to vote on the
election  of  directors  of the  Company  and on other  matters and the right to
receive  distributions of the Company's  surplus upon liquidation or dissolution
of the Company.  The Plan will preserve but separate these  contract  rights and
membership  interests.  Contract  rights will remain with  Principal  Life,  and
Owners  on the date the Plan  becomes  effective  (the  "Effective  Date")  will
automatically  become  members of  Principal  Mutual  Holding  Company  and such
Owner's  membership  interests  in the Company will be  extinguished.  Under the
terms of the Plan,  the  membership  interests  of members of  Principal  Mutual
Holding Company will consist principally of the right to vote on the election of
directors  of  Principal  Mutual  Holding  Company  and on other  matters and to
receive   distributions  of  Principal  Mutual  Holding  Company's  assets  upon
liquidation  or  dissolution  of Principal  Mutual  Holding  Company.  Owners of
Contracts   issued  by  Principal  Life  after  the  Effective  Date  also  will
automatically  become members of Principal Mutual Holding Company. The Plan will
not, in any way, increase premium payments or reduce Contract benefits,  values,
guarantees or other Contract obligations owed to Owners.

The  Company  believes  that  adoption  of the Plan will  result in a  corporate
structure that, among other things, will provide the Company with flexibility in
raising capital  through  various means that are not currently  available to it,
including stock offerings. Any initial offering of voting stock to third parties
will be subject to the approval of the Iowa Commissioner.  Although there are no
current plans to offer voting stock, in the event voting stock was sold to third
parties,  it is possible that the interests of such third party shareholders and
Owners could diverge on certain issues. The Company, however, believes that such
shareholders  and Owners will generally have a greater  commonality of interests
than the potential for conflict and will endeavor to minimize the  occurrence of
such  conflicts  and to  operate  the  companies  in the best  interests  of all
constituencies.

The Effective  Date is scheduled to be July 1, 1998,  but the Iowa  Commissioner
must first approve the Plan. In addition,  insurance  regulatory  authorities in
each state must issue an amendment to the Company's Certificate of Authority (to
reflect  the name  change  from  Principal  Mutual  Life  Insurance  Company  to
Principal Life  Insurance  Company) and must approve the forms which support the
Contract.  Should  the  Effective  Date be other  than July 1, 1998 or if states
other than Iowa have not completed  action by that date, the Company will notify
existing Owners and others by supplementing this prospectus. Contracts issued on
or after  the  Effective  Date will be issued  by  Principal  Life,  will not be
participating  and will not be eligible to  participate in any  distribution  of
divisible  surplus  (see  "Surplus   Distribution  at  Sole  Discretion  of  the
Company"). As Owner of a Contract issued after the Effective Date, you will be a
member of Principal Mutual Holding Company as described above.

Principal  Mutual Life Insurance  Company is authorized to do business in the 50
states of the United  States,  the District of  Columbia,  the  Commonwealth  of
Puerto Rico, and the Canadian Provinces of Alberta, British Columbia,  Manitoba,
Ontario and Quebec. The Company offers a full range of products and services for
businesses, groups and individuals including individual insurance, pension plans
and group/employee  benefits. The Company has ranked in the upper one percent of
life  insurers  in assets  and  premium  income  and has  consistently  received
excellent  ratings  from  the  major  rating  firms  based  upon  the  Company's
claims-paying  ability.  The Company has $___ billion in assets under management
and serves more than ___ million individuals and their families.
    

PRINCIPAL MUTUAL LIFE INSURANCE COMPANY SEPARATE ACCOUNT B

Separate  Account B was established on January 12, 1970 pursuant to a resolution
(as  amended)  of the  Executive  Committee  of the  Board of  Directors  of the
Company.  Under Iowa insurance laws and regulations the income, gains or losses,
whether  or not  realized,  of  Separate  Account B are  credited  to or charged
against the assets of  Separate  Account B without  regard to the other  income,
gains or losses of the Company.  Although the assets of Separate Account B equal
to the reserves and liabilities  arising under the contracts  issued  thereunder
will not be  charged  with any  liabilities  arising  out of any other  business
conducted  by the  Company,  the  reverse is not true.  Hence,  all  obligations
arising  under the Contract,  including  the promise to make payments  under the
Benefit Options, are general corporate obligations of the Company.

Separate  Account B was  registered  on July 17,  1970 with the  Securities  and
Exchange  Commission as a unit investment trust under the Investment Company Act
of 1940,  as amended.  Such  registration  does not involve  supervision  by the
Commission of the investments or investment policies of Separate Account B.

The Company is taxed as an insurance  company  under the Internal  Revenue Code.
The  operations  of Separate  Account B are part of the total  operations of the
Company  but are treated  separately  for  accounting  and  financial  statement
purposes and are considered separately in computing the Company's tax liability.
Separate  Account B is not affected by federal  income taxes paid by the Company
with respect to its other operations, and under existing federal income tax law,
investment  income and capital gains  attributable to Separate Account B are not
taxed.  The Company reserves the right to charge Separate Account B with, and to
create a reserve for, any tax liability which the Company  determines may result
from maintenance of Separate Account B. To the best of the Company's  knowledge,
there is no current prospect of any such liability.

   
There are  currently  nineteen  Divisions  in Separate  Account B. The assets of
Divisions are invested  exclusively in shares of a corresponding  Account of the
Principal  Variable  Contracts  Fund,  Inc. New  Divisions may be added and made
available to Owners of the Contract.  Divisions may also be eliminated  from the
Separate  Account.  Some of these  Accounts  also offer their shares to variable
annuity  separate  accounts of the Company and to variable  annuity and variable
life separate accounts of unaffiliated insurance companies.
    

MUTUAL FUNDS

   
The Divisions of Separate Account B currently invest exclusively in shares of an
Account of the Fund.  The eighteen  Accounts  available  for  investment  are as
follows:  Aggressive Growth,  Asset Allocation,  Balanced , Bond, Capital Value,
Government Securities, Growth, International,  International SmallCap, MicroCap,
MidCap,  MidCap Growth,  Money Market, Real Estate,  SmallCap,  SmallCap Growth,
SmallCap  Value and Utilities.  Not all Accounts are available in all states.  A
current list of which  Accounts are available in your state may be obtained from
an authorized agent of the Company.  A full  description of the Accounts,  their
investment  policies and  restrictions,  their charges,  the risks  attendant to
investing in them,  and other  aspects of their  operations  is contained in the
Prospectus  for the Fund  accompanying  this  Prospectus and in the Statement of
Additional  Information for the Fund referred to therein.  Additional  copies of
these  documents  may be  obtained  from a  sales  representative  or  from  the
Company's home office.
    

The  Principal  Variable  Contracts  Fund,  Inc.  is  a  diversified,   open-end
investment management company, typically known as a Mutual Fund. The Manager for
the Fund is Principal Management  Corporation.  Some of the Accounts of the Fund
are also used to fund variable life insurance  contracts  issued by the Company.
The Fund's  Board of  Directors  will  monitor  events in order to identify  any
material irreconcilable  conflicts between the interests of the variable annuity
contract  owners  and  life  insurance  policyowners  that  may  develop  and to
determine  what  action,  if any,  should be taken in  response  thereto.  If it
becomes necessary for any separate account to replace shares of any Account with
another  investment,   the  Account  may  have  to  liquidate  securities  on  a
disadvantageous  basis. See "Eligible  Purchasers and Purchase of Shares" in the
Fund prospectus for a discussion of the potential  risks  associated with "mixed
funding."

The  Company  purchases  and redeems  shares of the  Accounts  for the  Separate
Account  at their  net  asset  value  without  the  imposition  of any  sales or
redemption  charges.  Such shares represent  interests in the Accounts available
for investment by the Separate Account.  Each Account  corresponds to one of the
Divisions of the Separate Account.  The assets of each Account are separate from
the  others  and each  Account's  performance  has no effect  on the  investment
performance of any other Account.

Any  dividend or capital  gain  distributions  attributable  to the Contract are
automatically  reinvested  in shares of the Account from which they are received
at that  Account's  net  asset  value  on the  date  paid.  Such  dividends  and
distributions will have the effect of reducing the net asset value of each share
of the corresponding Account and increasing,  by an equivalent value, the number
of shares  outstanding of that Account.  However,  the value of the interests of
Owners in the  corresponding  Division  will not  change as a result of any such
dividends and distributions.

SURPLUS DISTRIBUTION AT SOLE DISCRETION OF THE COMPANY

It is not anticipated  that any divisible  surplus will ever be distributable to
these  Contracts in the future  because the Contracts are not expected to result
in a  contribution  to the  divisible  surplus of the Company.  However,  if any
distribution of divisible surplus is made, it will be made to Owners in the form
of cash.

THE CONTRACT

   
The Contract  described in this  Prospectus  is designed to provide  individuals
with retirement  benefits in connection with (1) Individual  Retirement  Annuity
plans or programs ("IRA Plans"),  Roth IRA Plans,  Simplified  Employee  Pension
Plans  ("SEPs")  and  Salary   Reduction   Simplified   Employee  Pension  Plans
("SAR/SEPs")  and Savings  Incentive  Match Plan for Employees  ("SIMPLE")  IRAs
adopted   pursuant  to  Section  408  of  the  Internal  Revenue  Code  and  (2)
non-qualified  retirement  plans. The Contract  provides for the accumulation of
values on a fixed and variable basis and the payment of annuity  benefits in the
form of Benefit Options on a fixed basis.
    

A.   Purchasing a Contract

     Persons  wishing to purchase a Contract  must complete an  application  and
     make an initial Purchase  Payment.  Receipt of the Initial Purchase Payment
     at the time of  application  is not required in connection  with SEPs.  The
     application  is  forwarded  to the Company for  processing.  Acceptance  is
     subject to underwriting and suitability  rules and procedures.  The Company
     reserves the right to reject any application or any Purchase Payment if, in
     the view of the Company,  the Company's  underwriting and suitability rules
     and procedures are not satisfied.

     Purchase  Payments  which are  remitted  through an employer  for  multiple
     employee-Owner/Annuitants   must  also  be   accompanied   by   information
     identifying the proper  Contracts and accounts to be credited with Purchase
     Payments.

     If the  application  can be  accepted  in the form  received,  the  initial
     Purchase  Payment  will be credited  within two  Valuation  Dates after the
     later of receipt of the  application  or  receipt of the  initial  Purchase
     Payment at the  Company's  home  office.  If the initial  Purchase  Payment
     cannot be credited  within five Valuation  Dates after receipt  because the
     application  or other  issuing  requirements  are  incomplete,  the initial
     Purchase  Payment  will be returned  unless the  applicant  consents to our
     retaining  the  initial  Purchase  Payment  and  crediting  it  within  two
     Valuation Dates after the necessary requirements are fulfilled.

     The date that the  Contract is issued is the  Contract  Date.  The Contract
     Date is the date used to determine  Contract Years,  regardless of when the
     Contract is  delivered.  The  crediting  of  investment  experience  in the
     Separate Account, or a fixed rate of return in the Fixed Account, begins as
     of the Contract Date,  even if that date is delayed due to  underwriting or
     administrative requirements.

     Generally,  additional Purchase Payments will be accepted at any time after
     the  Contract  Date  and  prior  to the  Retirement  Date,  as  long as the
     Annuitant  is  living.   Purchase  Payments  (together  with  any  required
     information  identifying  the proper  Contracts and accounts to be credited
     with Purchase  Payments)  must be delivered to the  Company's  home office.
     Additional  Purchase Payments are credited to the Contract and added to the
     Accumulated  Value as of the end of the Valuation  Period in which they are
     received.

     1.  Purchase Payment Limitations

         For Contracts issued in connection with non-qualified retirement Plans,
         the  initial  Purchase  Payment  must be at least  $2,500.  The initial
         Purchase  Payment for all other Contracts must be at least $1,000.  The
         minimum  subsequent  investment  is $100.  A $100  monthly  minimum for
         initial and subsequent  investments is available for Contracts to which
         Purchase  Payments are made on a monthly  basis through an account of a
         bank or similar  financial  institution  under an Automatic  Investment
         Program.  Forms and  preauthorized  check  agreements  to  establish an
         Automatic  Investment  Program are  available  from  Princor  Financial
         Services Corporation. For Contracts which are issued in connection with
         a  retirement  plan  covering  more than four  people,  the initial and
         subsequent  monthly  Purchase  Payments under each Contract must at all
         times  average  at least  $100  and in no case be less  than  $50.  The
         Company  reserves  the right to increase  the  minimum  amount for each
         Purchase  Payment to not more than  $1,000.  The Company  reserves  the
         right to terminate a Contract and  distribute  the  Accumulated  Value,
         less  any  applicable  charges,  if no  premiums  are paid  during  two
         consecutive  calendar years and the Accumulated Value or total Purchase
         Payments less partial  surrenders and applicable  surrender  charges is
         less than  $2,000.  The Company  will notify the Owner of its intent to
         exercise  this right and  provide the Owner a 60 day period to increase
         the Accumulated Value to $2,000.

         The total of all Purchase  Payments may not exceed  $2,000,000  without
         the Company's prior approval.  In New Jersey,  after the first Contract
         Year,  the total of Purchase  Payments  made during a Contract Year may
         not exceed $100,000.

     2.  Allocation of Purchase Payments

         The initial Purchase Payment is allocated, as specified by the Owner in
         the  Contract  application,  among one or more of the  Divisions of the
         Separate  Account,  or to the  Fixed  Account,  or to both.  Subsequent
         Purchase  Payments  are  allocated  in the same  way,  or  pursuant  to
         different  allocation  percentages  that  the  Owner  may  subsequently
         specify.  Allocations to the Fixed Account are not allowed if the Fixed
         Account Value  immediately  after the  allocation  exceeds  $1,000,000,
         except with our prior approval.

         Some states require the Company to return the initial  Purchase Payment
         to an Owner who  reconsiders  the  decision  to purchase  the  Contract
         within a certain  time  period.  See "Right to Examine  the  Contract."
         Initial Purchase Payments for a Contract issued in one of the states in
         the following table are allocated to the Money Market Division until 15
         days (20 days for  Contracts  issued in the  State of Idaho)  after the
         Contract Date at which time they are reallocated in accordance with the
         Owner's allocation instructions.

                 States in Which Purchase Payments are Returned

          Colorado               Kentucky                 North Carolina
          Connecticut*           Louisiana                Oklahoma
          Georgia                Maryland                 Rhode Island
          Hawaii                 Michigan                 South Carolina
          Idaho                  Missouri                 Utah
          Indiana                Nebraska                 Washington

          *    Purchase Payments are refunded if the Contract is cancelled prior
               to its delivery, otherwise the account value is refunded.

     3.  Right to Examine the Contract

         Under state law, the Owner has the right to examine the  Contract.  The
         right is often  referred  to as a "free look"  period.  The "free look"
         period is 10 days after the date the contract is delivered to the Owner
         in all states except as follows:

         a.  Contracts  issued in California to Owners age 60 and over have a 30
         day "free look" period;  b. Contracts  issued in Colorado have a 15 day
         "free look" period;  and c. Contracts  issued in Idaho and North Dakota
         have a 20 day "free look" period.

         The Owner can cancel the Contract by delivering or mailing it, together
         with a written  request,  to the Company's  home office or to the sales
         representative  through  whom it was  purchased,  before  the  close of
         business on the last day of the "free look" period.  If these items are
         sent by mail,  properly  addressed  and postage  prepaid,  they will be
         deemed to be  received by the  Company on the date  postmarked  for the
         purpose of determining  whether the "free look" period has elapsed.  If
         the  Purchase  Payments are  allocated to the Money Market  Division as
         described  above under  "Allocation of Purchase  Payments," the Company
         will return the greater of the  Contract's  value or Purchase  Payments
         paid if the Contract is cancelled.  Otherwise,  the Company will return
         the Accumulated Value of the Contract.

     4.  Exchange Credit

         Owners of Single Premium Deferred Annuities ("SPDA") and Single Premium
         Deferred Annuity Plus ("SPDA+")  contracts that have been issued by the
         Company  and are within at least  eight  months of the eighth  Contract
         Year may transfer the accumulated  value,  free of surrender charge, to
         the Contract  described in this  Prospectus.  In addition,  the Company
         will add an amount as an Exchange Credit.  Currently, the amount of the
         Exchange  Credit  is one  percent  (1%) of the SPDA or SPDA+  surrender
         value.  The amount of the  Exchange  Credit is  subject to change.  The
         Company reserves the right to terminate this Exchange Credit program.

         In making the  decision  as to whether to make an  exchange,  the Owner
         should  carefully  review the SPDA  contract or the SPDA+  contract and
         this Prospectus as the charges and provisions of the contracts  differ.
         If the existing SPDA or SPDA+ contract is currently eligible for waiver
         of Surrender  Charge due to critical  need,  similar  riders may not be
         available under this Contract.

         To initiate  an exchange,  the Company  must receive 1) an  application
         for the  Contract;  2) a surrender  form  for the  existing  SPDA/SPDA+
         contract;  3) a  replacement  form (based on state  written) and  4) an
         Annuity  Exchange  Request and Release Form.  The exchange  will become
         effective  upon receipt of completed  items listed above and acceptance
         of the  application.  The transaction will be valued at the end of  the
         Valuation  Period  in which the  Company  receives  all  the  necessary
         documentation  at its home office.

         The Exchange  Credit is allocated  among the  Divisions of the Separate
         Account  or to the Fixed  Account,  or both,  in the same  ratio as the
         Purchase Payment. The credit is treated as additional income for income
         tax purposes.  If the Owner  exercises the right to return the Contract
         during the "free look"  period,  the amount  returned is reduced by any
         credit applied. See "Right to Examine the Contract".

B.   Prior to the Retirement Date

     1.  Determining the Accumulated Value of the Contract

         The  Owner's  Accumulated  Value is the total of any  Separate  Account
         Value plus any Fixed Account Value under the Contract. For a discussion
         of how Fixed Account Value is calculated, see "Fixed Account."

         There is no guaranteed  minimum  Separate  Account Value.  The Separate
         Account  Value will  reflect the  investment  experience  of the chosen
         Divisions of the Separate  Account,  all Purchase  Payments  made,  any
         partial  surrenders,  and all charges  assessed in connection  with the
         Contract.  Therefore, the Separate Account Value changes from Valuation
         Period  to  Valuation  Period.  To  the  extent  Accumulated  Value  is
         allocated  to  the  Separate  Account,   the  Owner  bears  the  entire
         investment risk.

         A Contract's Separate Account Value is based on Unit Values,  which are
         determined on each  Valuation  Date. The value of a Unit for a Division
         on any Valuation Date is equal to the previous value of that Division's
         Unit  multiplied by that  Division's Net Investment  Factor  (discussed
         directly below) for the Valuation Period ending on that Valuation Date.
         Net  Purchase  Payments  applied  to a given  Division  will be used to
         purchase Units at the Unit Value of that Division next determined after
         receipt of a Purchase Payment. See "Allocation of Purchase Payments and
         Transfers."

         At the end of any Valuation Period, a Contract's Separate Account Value
in a Division is equal to:

          o    The number of Units in the Division; times

          o    The value of one Unit for that Division.

         The number of Units in each Division is equal to:

          o    The initial Units purchased on the Contract Date; plus

          o    Units purchased at the time that additional Purchase Payments are
               allocated to the Division; plus

          o    Units purchased  through  transfers from another Division or from
               the Fixed Account; less

          o    Units  redeemed to pay for the portion of any partial  surrenders
               allocated to the Division; less

          o    Units  redeemed as part of a transfer  to another  Division or to
               the Fixed Account; less

          o    Units redeemed to pay charges under the Contract.

          Net Investment Factor.  Each Net Investment Factor is the quantitative
          measure of the  investment  performance  of each  Division of Separate
          Account  B. For any  specified  Valuation  Period  the Net  Investment
          Factor for a Division for a Contract is equal to

              (a) the quotient obtained by dividing (i) the net asset value of a
                  share of the underlying Account as of the end of the Valuation
                  Period,  plus the per share  amount of any  dividend  or other
                  distribution  made by the Account during the Valuation  Period
                  (less an adjustment  for taxes,  if any) by (ii) the net asset
                  value  of a  share  of  the  Account  as of  the  end  of  the
                  immediately preceding Valuation Period,

                            reduced by

              (b) a mortality  and expense  risks charge in an amount equal to a
                  simple  interest  rate  for  the  number  of days  within  the
                  Valuation  Period  equivalent to an annual rate of 1.25%.  The
                  Company   has   reserved   the   right   to   assess  a  daily
                  administrative  expense charge at an annual rate of up to .15%
                  of the value of the average  Separate  Account net assets.  If
                  and to the extent such a charge is assessed,  such charge will
                  be included in the calculation of the Net Investment Factor in
                  the same manner as the mortality and expense risks charge.

         The  amount  of  any  taxes  referred  to  in  subparagraph  (a)  above
         (currently  none)  and the  amounts  derived  from  applying  the  rate
         specified in  subparagraph  (b) above will be accrued daily and will be
         transferred from Separate Account B at the discretion of the Company.

     2.  Allocation of Purchase Payments

         Allocation of Purchase Payments. In the application for a Contract, the
         Owner can  allocate  Purchase  Payments,  or portions  thereof,  to the
         available Divisions of the Separate Account or to the Fixed Account, or
         both.  Percentages  must be in whole  numbers and the total  allocation
         must  equal  100%.  The  percentage  allocations  for  future  Purchase
         Payments  may be  changed,  without  charge,  at any time by  sending a
         written  request  to the  Company's  home  office  or by  telephone  as
         described below.  Changes in the allocation of future Purchase Payments
         will be  effective  at the end of the  Valuation  Period  in which  the
         Company receives the Owner's request.

     3.  Transfers

         Unscheduled Transfers. Transfers of amounts from one available Division
         of the  Separate  Account to another or into the Fixed  Account  can be
         made by the Owner.  A transfer from a Division of the Separate  Account
         to the  Fixed  Account  may not be made if a  transfer  from the  Fixed
         Account to a Division of the Separate  Account has been made within the
         six-month  period  prior to the date of the  requested  transfer to the
         Separate  Account or if  immediately  after the  transfer  to the Fixed
         Account the Owner's Fixed Account Value exceeds $1 million.  The amount
         to be  transferred  may be stated as a dollar amount or as a percentage
         of the Separate  Account  Value of the Division from which the transfer
         is to be made. The amount  transferred from each Division must equal or
         exceed  the  lesser  of $100 or 100%  of the  Owner's  interest  in the
         Division.  Transfers  may be completed by sending a written  request to
         the Company at its home office, or by telephone as described below.

         All or part of the  values  in one or more  Divisions  of the  Separate
         Account  may be  transferred  at one  time.  Transfers  from the  Fixed
         Account are  restricted on both amount and timing.  See "Fixed  Account
         Transfers,  Total and Partial Surrenders." Transfers from a Division of
         the Separate  Account will be executed and values will be determined in
         connection with the transfers as of the end of the Valuation  Period in
         which the Company receives the transfer request.  There is a $30 charge
         on  unscheduled  transfers  after the twelfth  such  transfer  during a
         Contract  year. For this purpose,  all transfers  between and among the
         Divisions of the Separate Account and the Fixed Account will be treated
         as one transfer, if all the transfer requests are made at the same time
         as part of one request.  The Company also  reserves the right to reject
         transfer  instructions provided by a person providing them for multiple
         contracts.

         Scheduled  Transfers.  The owner may elect to have automatic  transfers
         completed  on a  periodic  basis  from  any  Division  of the  Separate
         Account.  Scheduled transfers are available from a Division only if the
         value of the Separate  Account Value in such Division equals or exceeds
         $5,000. An Owner may establish scheduled transfers by sending a written
         request to the Company at its home office or by  telephone as described
         below.  Scheduled transfers will be completed on a monthly,  quarterly,
         semi-annual  or annual basis on the date (other than the 29th,  30th or
         31st)  specified by the Owner. If the requested date is not a Valuation
         Date,  the  transfer  will be  completed  on the  next  valuation  date
         following such specified date. Scheduled transfers of the dollar amount
         specified  by the  Owner  (minimum  of $100)  will  continue  until the
         Separate  Account Value in the Division  from which such  transfers are
         made  is  exhausted  or  until  the  Owner   notifies  the  Company  to
         discontinue such transfers. The Company reserves the right to limit the
         number of Divisions from which  transfers will be made  simultaneously,
         but in no event will such limitation be less than two Divisions.

     4.  Automatic Portfolio Rebalancing

         Automatic Portfolio Rebalancing (APR) allows you to maintain a specific
         percentage of your contract  values in each account over time.  You may
         elect APR at the time of  application  or after the  Contract  has been
         issued.

         For example, a customer may elect APR and choose to rebalance so 50% of
         policy  values are in the  Capital  Value  Division  and 50% are in the
         Money Market Division.  At the end of the specified period,  60% of the
         values  may be  invested  in  the  Capital  Value  Division,  with  the
         remaining 40% invested in the Money Market  Division.  By  rebalancing,
         units from the  Capital  Value  Division  are  redeemed  and applied as
         purchase  payments to the Money Market  Division so 50% of the contract
         values are once again invested in each division.

         APR is not available for values in the Fixed Account. You may elect APR
         only if you have not arranged  for  scheduled  transfers  from the same
         divisions.

         APR  transfers  will not begin until the  expiration of the "free look"
         period (see "Right to Examine the  Contract").  There will be no charge
         for  APR  transfers.   These   transfers  will  not  be  considered  as
         unscheduled transfers in determining any transfer fee.

         You may rebalance  through APR  quarterly,  semi-annually,  or annually
         based  on a  calendar  year or  contract  year.  In  addition,  you may
         rebalance on a one-time basis by completing a form and submitting it to
         the Company  home  office or by calling  1-800-247-9988  (if  telephone
         privileges  apply).  The transfers  will be made at the end of the next
         Valuation Period after the APR instruction is received by the Company.

     5.  Telephone Services

         Unless telephone  transaction services (where allowed by state law) are
         declined on the application  for a Contract,  or at any subsequent time
         the  Owner  notifies  the  Company  in  writing  to  remove   telephone
         transaction  services,  changes in the  allocation  of future  Purchase
         Payments and transfers may be made pursuant to telephone  instructions,
         subject to the above terms. The telephone transactions may be exercised
         by  telephoning  1-800-247-9988.  Telephone  transfer  requests must be
         received by the close of the New York Stock  Exchange on a day when the
         Company is open for business to be effective  that day.  Requests  made
         after that time or on a day when the  Company is not open for  business
         will be effective the next business day.  Although neither the Separate
         Account  nor  the  Company  is  responsible  for  the  authenticity  of
         telephone  transaction  requests,  the right is  reserved  to refuse to
         accept  telephone  requests when in the opinion of the Company it seems
         prudent to do so. The Owner bears the risk of loss caused by fraudulent
         telephone  instructions the Company reasonably  believes to be genuine.
         The  Company  will employ  reasonable  procedures  to assure  telephone
         instructions  are genuine and if such procedures are not followed,  the
         Company  may be liable  for losses due to  unauthorized  or  fraudulent
         transactions.   Such   procedures   include   recording  all  telephone
         instructions,  requesting personal  identification  information such as
         the caller's name,  daytime  telephone  number,  social security number
         and/or birthdate and sending a written  confirmation of the transaction
         to  the  Owner's  address  of  record.  Owners  may  obtain  additional
         information  and  assistance  by  telephoning  the  toll  free  number.
         Telephone  instructions  received from any joint contract owner will be
         binding on all  contract  owners.  The Company may modify or  terminate
         telephone transfer procedures at any time.

         You may obtain contract information from our Direct Dial system between
         7:00 am and 9:00 pm,  Central time,  Monday through  Saturday.  Through
         this automated  telephone system, you can obtain information about unit
         values and contract values,  initiate certain changes to your contract,
         change your Personal  Identification Number (PIN), or speak directly to
         a   customer   service   representative.   The   telephone   number  is
         1-800-247-9988. As with other telephone services, instructions received
         via our Direct Dial system will be binding on all contractowners.

     6.  Total and Partial Surrenders

         Total  Surrenders.  The Owner may surrender  all of the cash  surrender
         value at any time  during  the life of the  Annuitant  and prior to the
         Retirement Date by a written request sent to the Company's home office.
         The Company reserves the right to require that the Contract be returned
         to the Company prior to making  payment,  although this will not affect
         the  determination  of the  amount of the cash  surrender  value.  Cash
         surrender  value is the  Accumulated  Value at the end of the Valuation
         Period  during  which the written  request for the total  surrender  is
         received  by the  Company  at its  home  office,  less  any  applicable
         Surrender  Charge,  Annual Fee and  Transaction  Fee. For discussion of
         these charges and the circumstances under which they apply, see "Annual
         Fee," "Surrender Charge," and "Transaction Fee."

         The  written  consent  of  all  collateral  assignees  and  irrevocable
         beneficiaries of a non-qualified Contract must be obtained prior to any
         total surrender. Surrenders from the Separate Account will generally be
         paid  within  seven days of the date of receipt by the  Company's  home
         office of the written request, or such earlier date as required by law.
         Postponement of payments may occur, however, in certain  circumstances.
         See "Postponement of Payments."

         Since the Owner  assumes the  investment  risk with  respect to amounts
         allocated to the Separate Account,  and because certain  surrenders are
         subject to a Surrender Charge,  the amount paid upon total surrender of
         the cash  surrender  value  (taking  into  account  any  prior  partial
         surrenders) may be more or less than the total Purchase Payments made.

         Unscheduled  Partial  Surrenders.  At any time prior to the  Retirement
         Date and during the lifetime of the Annuitant,  the Owner may surrender
         a portion of the Fixed Account Value and/or the Separate  Account Value
         by sending a written request to the Company's home office.  The minimum
         unscheduled  partial surrender amount is $100 and the Accumulated Value
         of the Contract  must be $5,000 or more  immediately  after the partial
         surrender.  The  Company  reserves  the right to  increase  the minimum
         $5,000  remaining  Accumulated  Value  but in no event  will it  exceed
         $10,000.

         In order for a request  to be  processed,  the Owner must  specify  the
         dollar  amount  of the  Accumulated  Value  to  surrender.  The  amount
         surrendered  will be deducted  from the  Owner's  Fixed  Account  Value
         and/or  interest in a Division  according to the  surrender  allocation
         percentages  provided by the Owner.  Percentages  may be either zero or
         any whole number and must total 100%.

         The Company  will  surrender  Units from the  Separate  Account  and/or
         dollar  amounts from the Fixed  Account so that the total amount of the
         partial  surrender  equals the dollar  amount of the partial  surrender
         request plus any applicable  Surrender  Charge.  The partial  surrender
         will be  effective  at the end of the  Valuation  Period  in which  the
         Company receives the written request for partial  surrender at its home
         office.  Payments  will  generally  be made  within  seven  days of the
         effective date of such request or such earlier date as required by law,
         although certain delays are permitted. See "Postponement of Payments."

         Scheduled  Partial  Surrenders.  The owner  may  elect to have  partial
         surrenders  completed  on a  periodic  basis from any  Division  of the
         Separate  Account and/or Fixed Account.  Scheduled  partial  surrenders
         (sometimes referred to as a "Flexible Withdrawal Option") are available
         only if the value of the  Accumulated  Value is at least  $5,000 at the
         time  the  surrenders  begin.   Scheduled  partial  surrenders  may  be
         established by the Owner by providing  written notice to the Company at
         the Company's home office.  The Owner may specify  monthly,  quarterly,
         semi-annual  or annual  partial  surrenders to be completed on any date
         other than 29th, 30th or 31st. If the specified date is not a Valuation
         Date, surrenders will be completed on the next Valuation Date following
         such  specified  date.  Partial  surrenders  will  continue  until  the
         Accumulated  Value is exhausted or until the Owner notifies the Company
         to discontinue the scheduled surrenders.

         The Internal  Revenue Code  provides that a penalty tax will be imposed
         on certain premature surrenders. For a discussion of this and other tax
         implications  of total and partial  surrenders,  including  withholding
         requirements, see "Federal Tax Matters."

     7.  Benefit Payable on Death of Annuitant or Owner

   
         The  death  benefit  paid  to the  deceased's  Beneficiary  will be the
         greater of the  standard  death  benefit or the annual  enhanced  death
         benefit, if elected.

         a.   Standard Death Benefit
    

              If the  Annuitant  or Owner dies prior to the  Retirement  Date, a
         death benefit will be paid to the deceased's Beneficiary. The amount of
         the death benefit will be the greater of:

               (1)  the  Accumulated  Value  on the date  the  Company  receives
                    Notice (including proof) of death; or

               (2)  total  Purchase  Payments less any partial  surrenders  (and
                    Surrender  Charges  incurred)  as of the  date  the  Company
                    receives Notice (including proof) of death; or
   
               (3)  Highest  Accumulated  Value on any prior Anniversary that is
                    divisible  equally by seven,  plus any Purchase Payments and
                    less any partial surrenders (and Surrender Charges incurred)
                    made after that Anniversary.

         b.   Annual Enhanced Death Benefit

              Definition The Company also offers an optional death benefit,  the
              Annual  Enhanced  Death Benefit  Rider.  Under this rider,  if the
              original  annuitant or original owner dies prior to the Retirement
              date, the death benefit  payable to the deceased's  Beneficiary is
              the greater of:

                  (1) The Standard Death Benefit (described above); OR

                  (2) An annual  increasing  death  benefit,  based on  Purchase
                      Payments  accumulated  at 5% (less any partial  surrenders
                      and Surrender  Charges incurred) until the later of either
                      the Contract Anniversary following the original Owner's or
                      original  Annuitant's  age 75  birthday or five years from
                      the effective date of the rider; OR

                  (3) The highest  Accumulated  Value on a Contract  Anniversary
                      (increased for subsequent  Purchase Payments and decreased
                      for partial  surrenders  and Surrender  Charges  incurred)
                      until the later of the Contract Anniversary  following the
                      original  Owner's or original  Annuitant's age 75 birthday
                      or five years from the effective date of the rider.

              Lock-In Feature At the later of the Contract Anniversary following
              the original  Owner's or original  Annuitant's  age 75 birthday or
              five years after issue ("Lock-In Date"), the Annual Enhanced Death
              Benefit  amount  will be  locked-in  and  will  only  increase  by
              Purchase  Payments made since the Lock-In  Date,  less any partial
              surrenders and Surrender  Charges incurred since the Lock-In Date.
              The Lock-In  will not prevent the death  benefit  from  increasing
              further as provided under the Standard Death Benefit  provision in
              your Contract.

              Ridercharges will continue to be deducted on a  quarterly basis to
              keep the Annual Enhanced Death Benefit locked in.

              After the Lock-In Date, once the Standard Death Benefit equals the
              Annual Enhanced Death Benefit, this Rider will terminate. You will
              be charged for the Annual  Enhanced  Death  Benefit Rider based on
              the  number of days from the  beginning  of the  calendar  quarter
              until the Rider is terminated.

              Charges The current  charge for the Annual  Enhanced Death Benefit
              Rider is  deducted  through  the  redemption  of units  from  your
              Contract's  Accumulated Value at the end of each calendar quarter.
              The  redemption  of units from the  Owner's  Fixed  Account  value
              and/or  interest  in a Division  will be made in the same ratio as
              each Account bears to the Owner's Accumulated Value.

              Once  terminated,  the  Annual Enhanced Death Benefit Rider cannot
              be reinstated.

         c.   Payment of Death Benefit
    

              The death benefit  generally  will be paid within seven days after
              the Company receives Notice (including proof) of death and written
              instructions  as to the manner of payment to the  Beneficiary,  or
              such earlier date as required by law. Under certain circumstances,
              payment of the death benefit may be postponed.  See  "Postponement
              of Payments."  The death benefit will be paid according to benefit
              instructions  provided by the  deceased.  If benefit  instructions
              have not been provided the death benefit will be paid upon receipt
              of a written request for settlement  method.  The Company will pay
              interest  (at an annual  rate equal to or greater  than 3% or such
              other rate  required by state law) on the death  benefit  from the
              date it  receives  proof of death (or such other date  required by
              state  law)  until the date of payment or until the date the death
              benefit is applied under a Benefit Option.

              If the Owner dies before the Annuitant and the Owner's Beneficiary
              is the  surviving  spouse,  the Company will continue the Contract
              with the  spouse  as the new Owner  unless  the  spouse  elects to
              receive the death benefit.  If benefit  instructions have not been
              provided,  the  Beneficiary  may (a) receive a single sum payment,
              which terminates the Contract,  or (b) select a Benefit Option. If
              the beneficiary  selects a Benefit Option, he or she will have all
              the rights and privileges of an Annuitant  under the Contract.  If
              the Beneficiary  desires a Benefit Option,  the election should be
              made within 60 days of the date the death benefit becomes payable.
              Failure to make a timely  election can result in  unfavorable  tax
              consequences. For further information, see "Federal Tax Matters."

              We accept any of the following as proof of death: a certified copy
              of a death certificate; a copy of a certified decree of a court of
              competent  jurisdiction  as to the  finding  of  death;  a written
              statement  by a medical  doctor who  attended  the deceased at the
              time of death; or any other proof satisfactory to us.

              If the Owner dies before the Annuitant  and before the  Retirement
              Date with  respect to a Contract  not  issued in  connection  with
              retirement  plans  qualified  under  Section  408 of the  Internal
              Revenue Code, certain additional  requirements are mandated by the
              Internal   Revenue  Code,  which  are  discussed  under  "Required
              Distributions for Non-Qualified  Contracts." It is imperative that
              written  notice of the death of the Owner be promptly  transmitted
              to the Company at its home  office,  so that  arrangements  can be
              made for  distribution  of the entire  interest in the Contract to
              the  Beneficiary in a manner that  satisfies the Internal  Revenue
              Code  requirements.  Failure to  satisfy  these  requirements  may
              result in the Contract not being treated as an annuity for federal
              income tax purposes, which could have adverse tax consequences.

C.   After the Retirement Date

     1.  Retirement Date

   
         The  Owner  may  specify  a  Retirement  Date in the  application.  The
         Retirement  Date  marks the  beginning  of the period  during  which an
         Annuitant  receives  Benefit Option  payments  under the Contract.  The
         Company may not permit a Retirement Date which is on or after the later
         of the  Annuitant's  85th birthday or ten years after the Contract Date
         (but no later than age 88 in  Pennsylvania  or, after July 1, 1998, age
         90 in New York).
    

         Depending on the type of  retirement  arrangement  in  connection  with
         which a Contract is issued,  amounts  that are  distributed  either too
         soon or too late may be  subject to penalty  taxes  under the  Internal
         Revenue Code.  See "Federal Tax Matters."  Owners should  consider this
         carefully in selecting or changing a Retirement Date.

         The Owner may  change  the  Retirement  Date with the  Company's  prior
         approval,  by  written  request  any time  prior to the  issuance  of a
         supplementary  contract  which  provides  a  Benefit  Option.  The  new
         Retirement  Date  must be any  Anniversary  on or  before  the  maximum
         Retirement Date.

     2.  Benefit Options

         The  Company  currently  offers  only fixed  Benefit  Option  payments;
         variable  Benefit  Option  payments are not currently  offered.  If the
         Accumulated Value at the end of the Valuation Period which contains the
         Retirement  Date is less than $5,000 or if the amount  applied  under a
         Benefit  Option would result in a periodic  payment below the Company's
         minimum  requirements  in effect at that time,  the Company may pay the
         entire Accumulated Value,  without the imposition of any charges,  in a
         single sum payment to the Annuitant or other properly  designated payee
         and  cancel  the  Contract.  Otherwise,  the  Company  will  apply  the
         Accumulated Value to provide a fixed Benefit Option.

         Benefit  Option  payments  will be made as  elected  by the  Owner on a
         monthly,  quarterly,  semi-annual  or annual basis to the  Annuitant or
         other  properly-designated  payee.  The  dollar  amount of any  Benefit
         Option  payment  is  specified  during the  entire  period of  payments
         according to the provisions of the Benefit Option selected. There is no
         right to make any  total or  partial  surrender  after  Benefit  Option
         payments commence.

         The amount of each Benefit  Option payment will depend on the amount of
         Accumulated  Value applied to the Benefit  Option,  the form of Benefit
         Option  selected  and,  for  Benefit  Options  other than Fixed  Income
         described below,  the age of the Annuitant.  The amount of each Benefit
         Option payment  ordinarily will be higher for a male Annuitant than for
         a  female  Annuitant  with an  otherwise  identical  Contract.  This is
         because,  statistically,  females tend to have longer life expectancies
         than males.  However,  there will be no  differences  between  male and
         female  Annuitants in any  jurisdiction  where such differences are not
         permitted.  The Company will also make available Contracts with no such
         differences  in  connection  with  certain  employer-sponsored  benefit
         plans. Employers should be aware that, under most such plans, Contracts
         that make distinctions based on gender are prohibited by law.

         The  Owner  may  select a  Benefit  Option  form or  change a  previous
         selection by written request,  which must be received by the Company on
         or before the  Retirement  Date. If no Benefit Option form is chosen by
         the Owner,  the Company  automatically  applies a Life  Income  Benefit
         Option (described below),  with payments guaranteed for 10 years. If an
         Annuitant and Joint Annuitant have been designated  under the Contract,
         payments  will be made  pursuant  to a Joint and Full  Survivor  Income
         Benefit Option (described below) with payments guaranteed for 10 years,
         unless otherwise  elected.  Tax laws and regulations may impose further
         restrictions on Benefit Options.

         The following Benefit Options are available:

              Fixed  Income.  Payments of a fixed amount or payments for a fixed
              period of at least 5 years but not more than 30 years, are made as
              of  the  first  day of  each  payment  period  starting  with  the
              Retirement Date.  Payments will stop after all guaranteed payments
              are made.

              Life Income. Payments are made as of the first day of each payment
              period during the Annuitant's  life,  starting with the Retirement
              Date.  No payments  will be made after the  Annuitant  dies. It is
              possible  for the payee to  receive  only one  payment  under this
              option if the Annuitant dies before the second payment is due.

              Life  Income  with  Payments  Guaranteed  for a Period  of 5 to 20
              Years.  Payments  are  made as of the  first  day of each  payment
              period starting on the Retirement Date.  Payments will continue as
              long as the Annuitant  lives.  If the Annuitant dies before all of
              the guaranteed  payments have been made, the Company will continue
              installments of the guaranteed payments to the Beneficiary.

              Joint and Full  Survivor  Income with  Payments  Guaranteed  for a
              Period of 10 Years.  Payments are made as of the first day of each
              payment period  starting with the Retirement  Date.  Payments will
              continue as long as either the Annuitant or the Joint Annuitant is
              alive.  If the Annuitant and Joint Annuitant die before all of the
              guaranteed  payments  have been made,  the Company  will  continue
              installments of the guaranteed payments to the Beneficiary.

              Joint and Two-Thirds Survivor Life Income. Payments are made as of
              the first day of each payment period  starting with the Retirement
              Date.  Payments  will  continue as long as either the Annuitant or
              the Joint Annuitant is alive. If either the Annuitant or the Joint
              Annuitant  dies,   payments  will  continue  to  the  survivor  at
              two-thirds the original  amount.  Payments will stop when both the
              Annuitant  and Joint  Annuitant  have died. It is possible for the
              payee or payees  under this option to receive  only one payment if
              both Annuitants die before the second payment is due.

         Other  Benefit  Options  may be  made  available  with  the  Company's
         approval.

   
         Except for the Fixed Income Benefit Option, the mortality risk borne by
         the  Company  is  to  make  Benefit  Options  payments  (determined  in
         accordance  with the annuity tables and other  provisions  contained in
         the  Contract)  for the full life of all  Annuitants  regardless of how
         long all  Annuitants  or any  individual  Annuitant  might  live.  This
         undertaking  assures that neither an Annuitant's own longevity,  nor an
         improvement in life expectancy generally,  will have any adverse effect
         on the Benefit  Option  payments the  Annuitant  will receive under the
         Contract.  This, therefore,  relieves the Annuitant of the risk that he
         or she will outlive the funds  accumulated for retirement.  The Benefit
         Option  tables  contained  in the  Contract  are  based on the  Annuity
         Mortality 1983 Table a. These tables are guaranteed for the life of the
         Contract.
    

         In order to avoid tax penalties,  distributions  from any Contract that
         is not a  non-qualified  contract  must  begin no later  than April 1st
         following  the calendar year in which the Owner attains age 70 1/2. The
         minimum  distribution   requirement  is  a  distribution  in  equal  or
         substantially  equal  amounts  over the Owner's  life or over the joint
         lives of the Owner and Owner's designated beneficiary,  or a period not
         extending  beyond  the  Owner's  life  expectancy,  or the  joint  life
         expectancy  of  the  Owner  and  Owner's  designated  beneficiary.   In
         addition,  distribution  payments must be made at least  annually.  Tax
         penalties  may  also  apply at the  Owner's  death  on  certain  excess
         accumulations.  Owners should  consider  potential  tax penalties  with
         their tax  advisors  when  electing  a Benefit  Option or taking  other
         distributions from the Contract.

     3.  Death of Annuitant or Other Payee

         Under the Benefit Options offered by the Company,  the amounts, if any,
         payable on the death of the Annuitant during the Benefit Option payment
         period are the  continuation  of payments for any  remaining  guarantee
         period or for the life of any Joint Annuitant. In all cases, the person
         entitled to receive  payments also  receives any rights and  privileges
         under the Benefit Option.

         Additional rules applicable to such distributions  under  Non-Qualified
         Contracts are described under "Required Distributions for Non-Qualified
         Contracts."  Though the rules there described do not apply to Contracts
         issued in connection with IRAs, SEPs, SAR/SEPs or SIMPLE-IRAs,  similar
         rules apply to the plans, themselves.

CHARGES AND DEDUCTIONS

An  Annual  Fee,  a  mortality   and  expense   risks  charge  and,  in  certain
circumstances,  a Transaction Fee and state premium taxes are deducted under the
Contract.  Also, in certain  circumstances,  a Surrender  Charge may be deducted
from certain cash  withdrawals  before the Retirement Date. The Company has also
reserved the right to assess a daily Administrative Expense Charge.

There  are also  deductions  from and  expenses  paid out of the  assets  of the
Accounts which are described in the Fund prospectus.

A.   Annual Fee

     An Annual Fee equal to the lesser of $30 or 2% of the  Owner's  Accumulated
     Value is deducted on the day before each Contract  Anniversary prior to the
     Retirement  Date. (This charge will be lower to the extent legally required
     in some  states.)  The Annual Fee will be  deducted  from  either the Fixed
     Account  Value or the  Owner's  interest  in a Separate  Account  Division,
     whichever  has the greatest  value on the date the fee is deducted.  If the
     Contract  is fully  surrendered,  the full amount of the Annual Fee will be
     deducted at the time of surrender.  The Annual Fee currently does not apply
     to Contracts that have an Accumulated  Value of at least $30,000 on the day
     before   the   Contract   Anniversary.   This   charge  is  to  help  cover
     administrative   costs  such  as  those  incurred  in  issuing   Contracts,
     establishing  and  maintaining  the records  relating to Contracts,  making
     regulatory filings and furnishing  confirmation  notices,  voting materials
     and other  communications,  providing  computer,  actuarial and  accounting
     services,  and  processing  Contract  transactions.  The  Company  does not
     anticipate any profit from this charge.

B.   Mortality and Expense Risks Charge

     The Company will assess each Division of the Separate  Account with a daily
     charge for mortality and expense risks at a nominal annual rate of 1.25% of
     the  average  daily net  assets of the  Separate  Account.  This  charge is
     assessed only prior to the Retirement  Date. The Company  guarantees not to
     increase  this  charge for the  duration  of the  Contract.  This charge is
     assessed daily when determining the value of an accumulation Unit.

   
     The Company  bears a mortality  risk in that it  guarantees  to pay a death
     benefit  in a single  sum (which may also be taken in the form of a Benefit
     Option)  upon the death of an  Annuitant  or Owner prior to the  Retirement
     Date. No Surrender  Charge is imposed upon the payment of a death  benefit,
     which places a further mortality risk on the Company.
    

     The expense risk  assumed is that actual  expenses  incurred in  connection
     with  issuing and  administering  the  Contracts  will exceed the limits on
     administrative charges set in the Contracts.

     If the  mortality  and expense  risks charge is  insufficient  to cover the
     costs assumed,  the loss will be borne by the Company.  Conversely,  if the
     amount deducted proves more than  sufficient,  the excess will be profit to
     the Company.  The Company  expects a profit from the  mortality and expense
     risks charge.

C.   Transaction Fee

     A  Transaction  Fee of $30 applies to each  unscheduled  partial  surrender
     after the first such  surrender  made during a Contract  Year.  The Company
     will  charge a $30  Transaction  Fee to each  unscheduled  transfer  from a
     Division   after  the  twelfth  such  transfer  in  a  Contract  Year.  The
     Transaction  Fee will be deducted  from the Fixed  Account Value and/or the
     Owner's  interest in a Separate  Account  Division from which the amount is
     surrendered or transferred, on a pro rata basis.

D.   Premium Taxes

     The Company has reserved  the right to deduct  amounts to cover any premium
     taxes that are imposed by states or other  jurisdictions,  when applicable.
     Any such  deduction  will be made  from  either  a  Purchase  Payment  when
     received by the Company,  or the  Accumulated  Value when  surrendered  (in
     whole or part) or applied under a Benefit Option.

E.   Surrender Charge

     No sales charge is collected or deducted at the time Purchase  Payments are
     applied  under a Contract.  A Surrender  Charge will be assessed on certain
     total or partial surrenders. The amounts obtained from the Surrender Charge
     will be used to  partially  defray  expenses  incurred  in the  sale of the
     Contract,  including  commissions  and other  promotional  or  distribution
     expenses  associated  with the marketing of the Contract.  If the Surrender
     Charge is insufficient to cover the actual cost of distribution, such costs
     will be paid from the Company's General Account assets,  which will include
     profit, if any, derived from the mortality and expense risks charge.

     The Surrender  Charge for any full or partial  surrender is a percentage of
     the Purchase  Payments  withdrawn or surrendered  which were received by us
     during the seven completed  Contract Year period prior to the withdrawal or
     surrender.  The  applicable  percentage  which is applied to the sum of the
     Purchase  Payments  paid  during  each  Contract  Year,  is  determined  in
     accordance with the following table.

                           TABLE OF SURRENDER CHARGES

   
                                        Surrender Charge Applied to all Purchase
Years since Purchase Payment made        Payments Received in that Contract Year

  2 years or less                                        6%
  more than 2 years, up to 3 years                       5%
  more than 3 years, up to 4 years                       4%
  more than 4 years, up to 5 years                       3%
  more than 5 years, up to 6 years                       2%
  more than 7 years                                      0%
    

     For this purpose, it is assumed that amounts are withdrawn in the following
     order: (1) From Purchase  Payments  received by the Company more than seven
     completed Contract Years prior to the withdrawal or surrender; (2) From the
     Free Surrender  Privilege described below (from contract earnings first, if
     any, and then from Purchase Payments on a first-in,  first-out basis);  and
     (3) From  Purchase  Payments  received  by the  Company  within  the  seven
     completed  Contract  Year period prior to the  withdrawal or surrender on a
     first-in  first-out  basis.  There  is no  Surrender  Charge,  under  these
     guidelines,  on  withdrawals  of  Purchase  Payments  made more than  seven
     completed  Contract  Years prior to the  withdrawal or  surrender,  nor are
     there  Surrender  Charges  imposed  on  withdrawals  of the Free  Surrender
     Privilege.

     No  surrender  charge  will be  imposed  where  prohibited  by  state  law,
including:

     a)   State of New Jersey - no  surrender  charge will be imposed  upon full
          surrender on or after Annuitant's age 64 or 4 years after the Contract
          Date.

     b)   State of  Washington - no  surrender  charge will be imposed upon full
          surrender  on or after the  Annuitant's  age 70 or 10 years  after the
          Contract date.

     Waiver of the Surrender Charge. The Surrender Charge will not apply:

     1.   To any amount applied under a Benefit Option;

     2.   To the payment of a Death Benefit, but the Surrender Charge will apply
          to Purchase Payments made by the participant's  surviving spouse after
          the participant's date of death occurring on or after July 1, 1996;

     3.   To  any  amount  distributed  to  satisfy  the  minimum   distribution
          requirement of Sec. 401(a)9 of the Internal Revenue Code;

     4.   Where  permitted  by state law, to a  withdrawal  made after the first
          Anniversary  as a result of the Owner's or  Annuitant's  Critical Need
          provided that:

               (a)  the Owner or Annuitant to which the Critical Need applies is
                    the original Owner or Annuitant;

               (b)  the Critical Need did not exist prior to the Contract  Date;
                    and

               (c)  if  the  Critical  Need  is  Confinement  to a  Health  Care
                    Facility,  the  confinement  must  continue  for at least 60
                    consecutive days after Contract Date and the withdrawal must
                    occur within 90 days after  confinement  ends. No additional
                    Purchase Payments may be made to the Contract if the Company
                    waives the Surrender Charge due to a Critical Need.

     5.   To the Free Surrender  Privilege which is an amount surrendered during
          a Contract Year in an amount not to exceed the greater of:

               (a)  Earnings in the Contract  (Earnings = Accumulated Value less
                    unsurrendered  Purchase  Payments as of the surrender date);
                    or

               (b)  10% of the Purchase  Payments still subject to the Surrender
                    Charge,  decreased by any partial  surrenders since the last
                    Anniversary.

     6.   To any  amount  transferred  from the  Contract  to a  Single  Premium
          Immediate  Annuity  issued by the Company  after the seventh  Contract
          Year.

     7.   To any  amount  transferred  from a  Contract  used  to fund an IRA to
          another  annuity  contract issued by the Company to fund an IRA of the
          participant's  spouse  when the  distribution  is made  pursuant  to a
          divorce decree.

F.   Administrative Expense Charge

     The  Company  reserves  the right to assess each  Division of the  Separate
     Account with a daily charge at a nominal annual rate of .15% of the average
     daily net assets of the  Division.  This charge would be imposed only prior
     to the Retirement  Date. The daily  Administrative  Expense Charge would be
     assessed  to help cover  administrative  expenses  such as those  described
     under  "Annual  Fee." The daily  Administrative  Expense  Charge,  like the
     Annual  Fee,  is designed to defray  expenses  actually  incurred,  without
     profit.  Even if the Administrative  Expense Charge was imposed,  the total
     anticipated  revenues  from both  charges  are not  expected  to exceed the
     actual administrative costs incurred by the Company.

G.   Special Provisions for Group or Sponsored Arrangements

     Where permitted by state  insurance laws,  Contracts may be purchased under
     group or  sponsored  arrangements,  as well as on an  individual  basis.  A
     "group arrangement"  includes a program under which a trustee,  employer or
     similar  entity  purchases  Contracts  covering a group of individuals on a
     group basis.  A "sponsored  arrangement"  includes a program under which an
     employer  permits group  solicitation  of its  employees or an  association
     permits group  solicitation of its members for the purchase of Contracts on
     an individual basis.

     The charges and  deductions  described  above may be reduced for  Contracts
     issued  in   connection   with  group  or  sponsored   arrangements.   Such
     arrangements  may include  sales  without or reduced  mortality and expense
     risk charges  and/or  without  annual fees and/or  Surrender  Charges.  The
     Company will reduce the above charges and deductions in accordance with its
     rules in effect as of the date an  application  for a Contract is approved.
     To qualify for such a  reduction,  a group or  sponsored  arrangement  must
     satisfy certain  criteria as to, for example,  size of the group,  expected
     number of participants  and anticipated  purchase  payments from the group.
     Generally,  the  sales  contacts  and  effort,   administrative  costs  and
     mortality  cost per Contract  vary based on such factors as the size of the
     group or  sponsored  arrangements,  the purposes  for which  Contracts  are
     purchased  and  certain  characteristics  of its  members.  The  amount  of
     reduction and the criteria for qualification will reflect the reduced sales
     effort and administrative costs resulting from, and the different mortality
     experience  expected  as a  result  of,  sales  to  qualifying  groups  and
     sponsored arrangements.

     The  Company  may modify from time to time,  on a uniform  basis,  both the
     amounts of  reductions  and the criteria for  qualification.  Reductions in
     these  charges  will not be  unfairly  discriminatory  against  any person,
     including the affected  contract  owners and all other contract owners with
     contracts funded by the Separate Account.

FIXED ACCOUNT

Owners may allocate  Purchase  Payments  and transfer  amounts from the Separate
Account to the Fixed Account, in which case such amounts are held in the General
Account  of the  Company.  Because of  exemptive  and  exclusionary  provisions,
interests in the Fixed Account have not been registered under the Securities Act
of 1933 and the General Account has not been registered as an investment company
under the Investment Company Act of 1940. Accordingly, neither the Fixed Account
nor any interests  therein are subject to the provisions of these acts and, as a
result, the staff of the Securities and Exchange Commission has not reviewed the
disclosures  in this  Prospectus  relating  to the  Fixed  Account.  Disclosures
regarding  the Fixed  Account  may,  however,  be subject  to certain  generally
applicable  provisions of the federal  securities  laws relating to the accuracy
and  completeness  of  statements  made  in  prospectuses.  This  Prospectus  is
generally intended to serve as a disclosure document only for the aspects of the
Contract  involving the Separate Account and contains only selected  information
regarding the Fixed Account. More information regarding the Fixed Account may be
obtained from the Company's home office or from a sales representative.

General Description

The Company's obligations with respect to the Fixed Account are supported by the
Company's  General  Account.  Subject to  applicable  law,  the Company has sole
discretion over the investment of the assets in the General Account.

The Company  guarantees  that Purchase  Payments  allocated to the Fixed Account
will  accrue  interest  at a  guaranteed  interest  rate.  In no event  will the
guaranteed  interest  rate be less than 3%  compounded  annually.  Each Purchase
Payment  or  amount  transferred  to the Fixed  Account  earns  interest  at the
guaranteed rate in effect on the date it is received or  transferred.  This rate
applies  to each  Purchase  Payment or amount  transferred  until the end of the
Contract Year.

Each Anniversary the Company declares a renewal interest rate that is guaranteed
and applies to the Fixed  Account  Value in  existence  at that time.  This rate
applies  until  the end of the  Contract  Year.  Interest  is  earned  daily and
compounded  annually  at the end of each  Contract  Year.  Once  credited,  such
interest will be guaranteed and will become part of the Accumulated Value in the
Fixed Account from which deductions for fees and charges may be made.

Charges  under the Contract  are the same as when the Separate  Account is being
used,  except that the 1.25% per year charged for  mortality  and expense  risks
and, if applicable,  the .15% per year charged for  administrative  expenses are
not imposed on amounts of Accumulated Value in the Fixed Account.

Fixed Account Value

The  Contract's  Fixed  Account  Value on any  Valuation  Date is the sum of the
Purchase  Payments  allocated to the Fixed Account,  plus any transfers from the
Separate  Account,  plus  interest  credited  to the  Fixed  Account,  less  any
surrenders,  Surrender Charges, Annual Fees or Transaction Fees allocated to the
Fixed Account or transfers to the Separate Account.

Fixed Account Transfers, Total and Partial Surrenders

Amounts  in the Fixed  Account  are  generally  subject  to the same  rights and
limitations and will be subject to the same charges as are amounts  allocated to
the  Divisions  of the  Separate  Account  with  respect  to total  and  partial
surrenders. See "Total and Partial Surrenders."

Transfers out of the Fixed Account have special  limitations.  No transfers from
the Fixed Account may be made after the Retirement Date. Prior to the Retirement
Date,  Owners may transfer part or all of the  Accumulated  Value from the Fixed
Account  to the  Separate  Account  in one of two  ways,  a single  transfer  or
pursuant to scheduled transfers, both of which are described below. An Owner may
not make both a single transfer and scheduled transfers during the same Contract
Year.

         Single  Transfer.  A single  transfer in an amount not to exceed 25% of
         the Owner's Fixed Account Value as of the later of the Contract Date or
         the last Anniversary,  may be made each Contract Year during the 30-day
         period  following the Contract Date or Anniversary.  A transfer request
         must be made by the  owner  within  such  30-day  period.  An Owner may
         transfer up to the entire  Fixed  Account  Value if the  Owner's  Fixed
         Account Value is less than $1,000 or the renewal interest rate declared
         for the Owner's Fixed Account Value is more than one  percentage  point
         lower  than the  average  of the  Owner's  total  Fixed  Account  Value
         earnings for the preceding  Contract  Year. The Company will notify the
         Owner if the renewal interest rate falls to that threshold. The minimum
         transfer  amount is $100 (or, if less,  the entire  amount of the Fixed
         Account Value).

   
         Scheduled  Transfers.  The Owner may elect to have automatic  transfers
         completed on a monthly  basis from the Fixed Account to any Division of
         the Separate Account.  Scheduled transfers are available from the Fixed
         Account  only if the  Owner's  Fixed  Account  Value  equals or exceeds
         $5,000 at the time  scheduled  transfers  are  initiated.  (The Company
         reserves  the right to change  that  amount  but it will  never  exceed
         $10,000.)  An Owner may  establish  scheduled  transfers  by  sending a
         written  request  to the  Company at its home  office or by  telephone.
         Scheduled  transfers  will be completed on a monthly  basis on the date
         (other  than the 29th,  30th or 31st)  specified  by the Owner.  If the
         requested date is not a Valuation  Date, the transfer will be completed
         on the next valuation date  following  such specified  date.  Scheduled
         monthly  transfers  of an amount not to exceed 2% of the Owner's  Fixed
         Account  Value at the  beginning of the Contract  Year or current value
         will  continue  until the Fixed Account Value is exhausted or until the
         Owner notifies the Company to discontinue the scheduled transfers.  The
         minimum  transfer amount is $100 (or, if less, the entire amount of the
         Fixed Account Value).  The beginning of the Contract Year value will be
         used to calculate the 2% unless the Owner  specifies  current value. If
         the Owner discontinues the scheduled transfers, transfers may not begin
         again without the Company's prior approval.
    

GENERAL PROVISIONS

The Contract

The Contract,  copies of any applications,  amendments,  riders, or endorsements
attached to the  Contract,  the Contract  current  data page,  and copies of any
supplemental applications,  amendments,  endorsements, or revised Contract pages
or Contract  data pages  which are mailed to the Owner are the entire  Contract.
Only the  Company's  corporate  officers  can  agree  to  change  or  waive  any
provisions of a Contract.  Any change or waiver must be in writing and signed by
one of these representatives of the Company.

Postponement of Payments

Any total or partial  surrender to be made from the Contract will be made within
seven days after acceptable  Notice for such payment is received by the Company,
or such  earlier  date as required by law.  However,  payment of any amount upon
total surrender, partial surrender, death, or the transfer to or from a Division
of the  Separate  Account  may be  deferred  during any period when the right to
redeem  Mutual Fund shares is  suspended as permitted  under  provisions  of the
Investment  Company Act of 1940,  as amended.  The right to redeem shares may be
suspended  during any period when (a) trading on the New York Stock  Exchange is
restricted  as  determined  by the  Securities  and Exchange  Commission or such
Exchange  is closed for other  than  weekends  and  holidays;  (b) an  emergency
exists, as determined by the Securities and Exchange Commission,  as a result of
which  (i)  disposal  by  the  Mutual  Fund  of  securities  owned  by it is not
reasonably  practicable or (ii) it is not reasonably  practicable for the Mutual
Fund to fairly  determine the value of its net assets;  or (c) the Commission by
order so permits for the protection of security  holders.  If any deferment of a
surrender is in effect and has not been cancelled by written notification to the
Company  within the period of  deferment,  the amount to be  withdrawn  shall be
determined as of the first Valuation Date following  expiration of the permitted
deferment, and the surrender will be made within seven days thereafter.

The  Company  may  also  defer  for up to 15  days  the  payment  of any  amount
attributable to a Purchase  Payment made by check to allow the check  reasonable
time to clear. The Company may also defer payment of surrender  proceeds payable
out of the Fixed Account for a period of up to 6 months.

Misstatement of Age or Sex and Other Errors

If the age or, where applicable, gender of the Annuitant has been misstated, any
amount  payable will be that which would have been  purchased at the correct age
and  gender.  If the  Company  has made any  overpayments  because of  incorrect
information about age or gender, or any error or miscalculation,  it will deduct
the overpayment from the next payment or payments due.  Underpayments  are added
to the next payment.

Assignment

Ownership of a  non-qualified  contract may be assigned.  The Company assumes no
responsibility for the validity of any assignment.  An assignment or pledge of a
Contract may have adverse tax consequences. See "Federal Tax Matters."

An  assignment  must be made in writing  and filed with the  Company at its home
office. Owner, Annuitant and Beneficiary rights are subject to any assignment of
record at the  Company's  home  office.  Any amount paid to an assignee  will be
treated as a partial surrender and will be paid in a single sum.

Change of Owner

The Owner may change  ownership of the Contract at any time. A request to change
ownership  must be in writing  and must be approved  by the  Company.  After the
Company  approves  of the  change,  the change is  effective  as of the date the
written  request  for the  change  was  signed by the  Owner.  The waiver of the
Contingent  Deferred Sales Charge for withdrawals made due to a Critical Need of
the Owner, is not available if Ownership is changed. See "Surrender Charge."

Beneficiary

Before the Retirement Date and while the Annuitant is living, the Owner may name
or change the Owner's or Annuitant's  Beneficiary or a successor  Beneficiary by
sending a written request of the change to the Company. Under certain retirement
programs,  however,  spousal  consent  may be  required  to  name  or  change  a
Beneficiary,  and the right to name a  Beneficiary  other than the spouse may be
subject to applicable tax laws and  regulations.  The Company is not responsible
for the  validity of any change.  A change will take effect as of the date it is
signed but will not affect any payments  made or action taken before the Company
receives and approves the written request. The Company also needs the consent of
any irrevocably named person before making a requested change.

If no  Beneficiary  designated as the  Annuitant's  Beneficiary is living at the
time of the Annuitant's death, any benefits otherwise payable under the Contract
to the  Beneficiary  will be paid to the  Owner,  if  living,  otherwise  to the
Annuitant's  estate.  If a Beneficiary  dies while receiving  payments under the
Contract,  and if no other  Beneficiary is then living,  any remaining  benefits
owed under the Contract will be paid to such Beneficiary's estate.

Reports

We will mail to the Owner at the last known address of record a statement of the
Owner's  current  Accumulated  Value  at  least  once  each  year  prior  to the
Retirement  Date and any reports  required by any  applicable law or regulation.
After the Retirement  Date,  any reports will be mailed to the person  receiving
Benefit Option payments, rather than to the Owner.

Quarterly  statements  reflecting  purchases and surrenders occurring during the
quarter as wall as balance of units owned and account values.

RIGHTS RESERVED BY THE COMPANY

The Company  reserves  the right to make certain  changes if, in its  judgement,
they  would  best  serve the  interests  of Owners  and  Annuitants  or would be
appropriate  in carrying  out the purpose of the  Contract.  Any changes will be
made only to the extent and in the manner  permitted by applicable  laws.  Also,
when  required  by law,  the Company  will  obtain the  Owner's  approval of the
changes and approval from any appropriate  regulatory  authority.  Such approval
may not be required in all cases,  however.  Examples of the changes the Company
may make include:

     o    To transfer any assets in any Division to another Division,  or to the
          Fixed  Account;  or to add,  combine  or  eliminate  Divisions  in the
          Separate Account.

     o    To substitute  the shares of an Account for the Account shares held in
          any Division:

          1)   if shares of an Account are no longer  available for  investment;
               or

          2)   if in the Company's  judgement,  investment in an Account becomes
               inappropriate considering the purposes of the Separate Account.

DISTRIBUTION OF THE CONTRACT

The Contract,  which is continuously  offered, will be sold primarily by persons
who are insurance agents of or brokers for the Company  authorized by applicable
law to sell life and other forms of personal  insurance and variable  annuities.
In addition, these persons will usually be registered representatives of Princor
Financial Services Corporation,  The Principal Financial Group, Des Moines, Iowa
50392-0200, a broker-dealer registered under the Securities Exchange Act of 1934
and a member of the National  Association of Securities  Dealers,  Inc.  Princor
Financial  Services  Corporation,  the  principal  underwriter,  is paid 6.5% of
Purchase   Payments  by  Principal   Mutual  Life  Insurance   Company  for  the
distribution  of the  Contract.  The  Contract  may also be sold  through  other
selected broker-dealers  registered under the Securities Exchange Act of 1934 or
firms  that are  exempt  from  such  registration.  Princor  Financial  Services
Corporation is also the principal  underwriter for various registered investment
companies organized by the Company.  Princor Financial Services Corporation is a
wholly-owned subsidiary of Principal Holding Company.  Principal Holding Company
is a holding company and a wholly-owned subsidiary of the Company.

PERFORMANCE CALCULATION

The  Separate  Account  may  publish   advertisements   containing   information
(including graphs,  charts, tables and examples) about the performance of one or
more of its  Divisions.  The  Contract  was not offered  prior to June 16, 1994.
However,  shares in which Divisions of the Separate  Account invest were offered
prior to that date.  Thus,  the  Separate  Account  may  publish  advertisements
containing information about the hypothetical  performance of one or more of its
Divisions  for this  Contract had the Contract  been issued on or after the date
the Account in which such Division  invests was first offered.  The hypothetical
performance  from the date of  inception  of the  Account in which the  Division
invests is derived by reducing the actual  performance of the underlying Account
by the fees and  charges of the  Contract  as if it had been in  existence.  The
yield and total return figures  described  below will vary depending upon market
conditions, the composition of the underlying Account's portfolios and operating
expenses.  These  factors  and  possible  differences  in the  methods  used  in
calculating  yield and total return  should be  considered  when  comparing  the
Separate Account  performance figures to performance figures published for other
investment  vehicles.  The Separate  Account may also quote rankings,  yields or
returns as published  by  independent  statistical  services or  publishers  and
information  regarding  performance of certain market  indices.  Any performance
data quoted for the Separate Account represents only historical  performance and
is not intended to indicate future  performance.  For further information on how
the  Separate  Account  calculates  yield  and  total  return  figures,  see the
Statement of Additional Information.

From time to time the Separate  Account  advertises its Money Market  Division's
"yield" and "effective yield" for these Contracts.  Both yield figures are based
on historical earnings and are not intended to indicate future performance.  The
"yield" of the Division  refers to the income  generated by an investment in the
Division  over  a  seven-day   period  (which  period  will  be  stated  in  the
advertisement).  This income is then "annualized." That is, the amount of income
generated by the  investment  during that week is assumed to be  generated  each
week over a 52-week period and is shown as a percentage of the  investment.  The
"effective  yield" is  calculated  similarly  but, when  annualized,  the income
earned by an  investment  in the  Division  is  assumed  to be  reinvested.  The
"effective  yield"  will be  slightly  higher  than the  "yield"  because of the
compounding  effect  of  this  assumed  reinvestment.  Neither  yield  quotation
reflects a sales load deducted from Purchase Payments which, if included,  would
reduce the "yield" and "effective yield."

In addition,  from time to time, the Separate Account will advertise the "yield"
for  certain  other  Divisions  for the  Contract.  The "yield" of a Division is
determined by  annualizing  the net  investment  income per unit for a specific,
historical  30-day period and dividing the result by the ending maximum offering
price of the unit for the same period.  This yield  quotation does not reflect a
contingent deferred sales charge which, if included, would reduce the "yield."

Also, from time to time, the Separate  Account will advertise the average annual
total return of its various  Divisions.  The average annual total return for any
of the Divisions is computed by calculating  the average annual  compounded rate
of return over the stated period that would equate an initial $1,000  investment
to the ending redeemable Contract value. In this calculation the ending value is
reduced by a Surrender  Charge that  decreases  from 6% to 0% over a period of 7
years.  The Separate  Account may also  advertise  total  return  figures of its
Divisions  for a specified  period that do not take into  account the  Surrender
Charge in order to illustrate the change in the Division's unit value over time.
See "Charges and Deductions" and "Surrender Charge."

VOTING RIGHTS

The Company shall vote Account shares held in Separate  Account B at regular and
special  meetings  of  shareholders  of each  Account,  but will  follow  voting
instructions  received  from  Owners of the  Contract  whose  Accumulated  Value
includes amounts invested in the corresponding Division of the Separate Account.

The number of Account  shares as to which an Owner has the voting  interest will
be  determined  by the  Company as of a date which will not be more than  ninety
days  prior to the  meeting of the  Account,  and  voting  instructions  will be
solicited by written  communication at least ten days prior to the meeting.  The
number of Account shares held in Separate  Account B which are  attributable  to
the Owner's interest in each Division is determined by dividing the value of the
Owner's  interest  in that  Division  by the net asset value of one share of the
underlying Account.  Account shares for which Owners are entitled to give voting
instructions,  but for which none are received,  and shares of the Account owned
by the Company will be voted in the same proportion as the aggregate  shares for
which voting instructions have been received.

Proxy material will be provided to each Owner together with an appropriate  form
which may used to give voting instructions to the Company.

If the Company determines pursuant to applicable law that Account shares held in
Separate  Account B need not be voted  pursuant to  instructions  received  from
Owners,  then the Company may vote Account shares held in Separate  Account B in
its own right.

FEDERAL TAX MATTERS

The  following  description  is a general  summary of the tax  rules,  primarily
related  to federal  income  taxes,  which in the  opinion  of the  Company  are
currently  in  effect.   These  rules  are  based  on  laws,   regulations   and
interpretations  which are  subject to change at any time.  This  summary is not
comprehensive  and is not  intended as tax advice.  Federal  estate and gift tax
considerations,  as well as state and local taxes, may also be material.  Owners
should  consult a  qualified  tax adviser as to the tax  implications  of taking
action under a Contract or related retirement plan.

Non-Qualified Contracts

Section 72 of the  Internal  Revenue  Code  ("Code")  governs  the  taxation  of
annuities in general.  Purchase Payments made under non-qualified  contracts are
not  excludible  or  deductible  from the gross income of the Owner or any other
person.  However,  any  increase  in the  Accumulated  Value of a  non-qualified
contract  resulting from the investment  performance of the Separate  Account or
interest  credit to the Fixed  Account is generally  not taxable to the Owner or
other payee until received by him or her, as surrender  proceeds,  death benefit
proceeds, or otherwise.  The exception to this rule is that,  generally,  Owners
who are not  natural  persons  are  immediately  taxed  on any  increase  in the
Accumulated Value. However, this exception does not apply in all cases.

The  following  discussion  applies  generally  to  Contracts  owned by  natural
persons.

In  general,  surrenders  or partial  surrenders  under  Contracts  are taxed as
ordinary  income to the  extent  of the  accumulated  income  or gain  under the
Contract.  If an Owner  assigns or pledges  any part of the value of a Contract,
the value so pledged or assigned is taxed to the Owner as ordinary income to the
same extent as a partial withdrawal.

With respect to Benefit Options payments, although the tax consequences may vary
depending on the option elected under the Contract,  until the investment in the
Contract is recovered, generally only the portion of the payment that represents
the  amount  by which the  Accumulated  Value  exceeds  the  "investment  in the
contract" will be taxed. In general, an Annuitant's or other payee's "investment
in the  contract" is the  aggregate  amount of Purchase  Payments made by him or
her. After the "investment in the contract" is recovered, the full amount of any
additional  Benefit  Option  payments  is  taxable.  Prior  to  recovery  of the
"investment  in the  contract,"  there is no tax on the  amount of each  payment
which bears the same ratio to such payment that the "investment in the contract"
bears to the total  expected  return under the  Contract.  The remainder of each
Benefit Option  payment is taxable.  The taxable  portion of a  distribution  is
taxed as ordinary income.

For  purposes  of  determining  the  amount of  taxable  income  resulting  from
distributions,  all Contracts and other annuity  contracts issued by the Company
or its  affiliates  to the same  Owner  within  the same  calendar  year will be
treated as if they were a single contract.

With respect to IRAs or IRA rollovers,  there is a 10% penalty under the Code on
the taxable  portion of a "premature  distribution."  Generally,  an amount is a
"premature  distribution"  unless the  distribution  is (1) made on or after the
Owner  reaches age 59 1/2,  (2) made to a  Beneficiary  on or after death of the
Owner,  (3) made  upon the  disability  of the  Owner,  (4) part of a series  of
substantially  equal  periodic  payments for the life or life  expectancy of the
Owner or the Owner and  Beneficiary  (5) made to pay medical  expenses,  (6) for
certain unemployment  expenses,  (7) for first home purchases (up to $10,000) or
8) for higher  education  expenses.  Premature  distributions  may  result,  for
example,  from an early Retirement Date, any early surrender,  partial surrender
or  assignment  of a Contract or the death of an Annuitant  who is not the Owner
prior to the Owner attaining age 59 1/2.

With  respect to  SIMPLE-IRAs,  in place of the above 10%  penalty on  premature
distributions,  there is a 25% penalty on distributions made within two years of
the initial  contribution unless the distribution is made for one or more of the
reasons listed in the preceding paragraph.

A transfer of ownership of a Contract,  or  designation of an Annuitant or other
payee who is not also the  Owner,  may  result  in a certain  income or gift tax
consequences to the Owner that are beyond the scope of this discussion. An Owner
contemplating  any  transfer  or  assignment  of a  Contract  should  contact  a
competent  tax  advisor  with  respect  to the  potential  tax  effects  of such
transactions.

Required Distributions for Non-Qualified Contracts

In order for a non-qualified  contract to be treated as an annuity  contract for
federal  income tax  purposes,  Section  72(s) of the Code  requires  (a) if the
person receiving  payments dies on or after the Retirement Date but prior to the
time the entire  interest in the Contract has been  distributed,  the  remaining
portion of such  interest will be  distributed  at least as rapidly as under the
method of distribution being used as of the date of that person's death; and (b)
if any Owner dies prior to the  Retirement  Date,  the  entire  interest  in the
Contract  will be  distributed  (1)  within  five  years  after the date of that
Owner's  death or (2) as annuity  payments  which will begin  within one year of
that  Owner's  death  and  which  will  be made  over  the  life of the  Owner's
designated Beneficiary or over a period not extending beyond the life expectancy
of that  Beneficiary.  However,  if the Owner's  designated  Beneficiary  is the
surviving  spouse of the Owner, the Contract may be continued with the surviving
spouse deemed to be the new Owner for purposes of Section 72(s). Where the Owner
or other  person  receiving  payments  is not a  natural  person,  the  required
distributions  provided for in Section 72(s) apply upon the death of the primary
Annuitant.

Generally,  unless the Beneficiary elects otherwise, the above requirements will
be  satisfied  prior to the  Retirement  Date by paying  the death  benefit in a
single sum, subject to proof of the Owner's death. The Beneficiary, however, may
elect by  written  request  to  receive a Benefit  Option  instead of a lump sum
payment.  However,  if the  election  is not made within 60 days of the date the
single sum death benefit  otherwise  becomes payable,  the IRS may disregard the
election for tax purposes and tax the Beneficiary as if a single sum payment had
been made.

IRA, SEP, SAR/SEP, SIMPLE-IRA and ROTH-IRA

   
The  Contract  may be  used to fund  IRAs,  SEPs,  SAR/SEPs  ,  SIMPLE-IRAs  and
ROTH-IRAs.  In  addition,  in  certain  states  the  Contract  may be  used  for
conversion of an existing IRA funded with a fixed annuity contract issued by the
Company into a ROTH-IRA. The surrender charge that would otherwise be imposed on
surrenders  from the fixed  annuity  will be  waived.  The  number of years that
assets were in the fixed  annuity  contract will be credited to the new Contract
for  calculation  of  Surrender  Charge.  If an existing IRA is funded with this
Contract is surrendered  and the proceeds  converted into ROTH-IRA funded with a
fixed annuity contract issued by the Company,  the surrender charges which would
otherwise  be  imposed  under this  Contract  will be  waived.  This  conversion
privilege is not available in New Jersey.
    

The tax rules  applicable to Owners,  Annuitants and other payees vary according
to the type of plan and the terms and conditions of the plan itself. In general,
Purchase Payments made under a retirement  program  recognized under the Code by
or on behalf of an individual are excludible from the individual's  gross income
for tax purposes  prior to the  Retirement  Date.  The  portion,  if any, of any
Purchase  Payment made by or on behalf of an individual under a Contract that is
not excluded from the individuals' gross income for tax purposes constitutes the
individual's  "investment in the contract."  Aggregate deferrals under all plans
at the employee's option may be subject to limitations.  The tax implications of
these plans are further  discussed in the  Statement of  Additional  Information
under the heading "Taxation Under Certain Retirement Plans."

Withholding

Benefit  Option  payments  and other  amounts  received  under the  Contract are
subject to income tax withholding  unless the recipient elects not to have taxes
withheld.  The amounts withheld will vary among recipients  depending on the tax
status of the individual and the type of payments from which taxes are withheld.

Notwithstanding  the  recipient's  election,  withholding  may be required  with
respect to certain payments to be delivered outside the United States. Moreover,
special  "backup  withholding"  rules may require the Company to  disregard  the
recipient's  election if the recipient  fails to supply the Company with a "TIN"
or taxpayer  identification number (social security number for individuals),  or
if the Internal  Revenue  Service  notifies the Company that the TIN provided by
the recipient is incorrect.

Mutual Fund Diversification

   
The United States  Treasury  Department  has adopted  regulations  under Section
817(h)  of the Code  which  establishes  standards  of  diversification  for the
investment underlying the Contracts. Under this Code Section, Separate Account B
investments  must be  adequately  diversified  in order for the  increase in the
value of non-qualified  contracts to receive tax-deferred treatment. In order to
be adequately diversified,  the portfolio of each underlying Account must, as of
the end of each calendar quarter or within 30 days thereafter, have no more than
55% of its assets  invested in any one investment,  70% in any two  investments,
80% in any three  investments  and 90% in any four  investments.  Failure  of an
Account to meet the  diversification  requirements could result in tax liability
to non-qualified contractholders.

The investment  opportunities  of the Accounts  could  conceivably be limited by
adhering  to the above  diversification  requirements.  This  would  affect  all
Owners,  including those Owners of contracts for whom  diversification  is not a
requirement for tax-deferred treatment.
    
STATE REGULATION

The  Company  is subject  to the laws of the State of Iowa  governing  insurance
companies and to regulation by the Insurance Department of the State of Iowa. An
annual  statement  in a  prescribed  form  must be filed by March 1 in each year
covering the  operations of the Company for the preceding year and its financial
condition  on  December  31st of such year.  Its books and assets are subject to
review or examination by the  Commissioner  of Insurance of the State of Iowa or
his  representatives  at all times,  and a full examination of its operations is
conducted  periodically by the National Association of Insurance  Commissioners.
Iowa law and regulations also prescribe permissible  investments,  but this does
not involve supervision of the investment management or policy of the Company.

In addition,  the Company is subject to the insurance  laws and  regulations  of
other states and  jurisdictions  in which it is licensed to operate.  Generally,
the insurance  departments of these states and  jurisdictions  apply the laws of
the state of domicile in determining the field of permissible investments.

LEGAL OPINIONS

Legal matters  applicable to the issue and sale of the Contracts,  including the
right of the Company to issue  Contracts  under Iowa  Insurance  Law,  have been
passed upon by Gregg R. Narber, Senior Vice President and General Counsel.

LEGAL PROCEEDINGS

There are no legal proceedings pending to which Separate Account B is a party or
which would materially affect Separate Account B.

REGISTRATION STATEMENT

This Prospectus omits some information  contained in the Statement of Additional
Information  (or  Part  B of  the  Registration  Statement)  and  Part  C of the
Registration  Statement  which the  Company  has filed with the  Securities  and
Exchange  Commission.   The  Statement  of  Additional   Information  is  hereby
incorporated  by  reference  into this  Prospectus.  A copy of the  Statement of
Additional  Information can be obtained upon request, free of charge, by writing
or telephoning Princor Financial Services Corporation.  You may obtain a copy of
Part C of the  Registration  Statement  filed with the  Securities  and Exchange
Commission,  Washington, D.C. from the Commission upon payment of the prescribed
fees.

OTHER VARIABLE ANNUITY CONTRACTS

The Company  currently offers other Variable Annuity  Contracts that participate
in Separate Account B. In the future,  additional  group or individual  variable
annuity  contracts may be designated by the Company as participating in Separate
Account B.

INDEPENDENT AUDITORS

The financial  statements of Principal  Mutual Life Insurance  Company  Separate
Account B and the consolidated  financial  statements of The Principal Financial
Group(R)   (comprised  of  Principal  Mutual  Life  Insurance  Company  and  its
subsidiaries) which are included in the Statement of Additional Information have
been  audited  by  Ernst & Young  LLP,  independent  auditors,  for the  periods
indicated in their  reports  thereon which appear in the Statement of Additional
Information.

FINANCIAL STATEMENTS

The  consolidated  financial  statements  of The  Principal  Financial  Group(R)
(comprised  of the  Company  and its  subsidiaries)  which are  included  in the
Statement of Additional  Information should be considered only as bearing on the
ability of the Company to meet its obligations  under the Contract.  They should
not be considered as bearing on the investment performance of the assets held in
the Separate Account.

CONTRACTHOLDERS' INQUIRIES

Contractholders'   inquiries  should  be  directed  to:  Variable  Annuity,  The
Principal   Financial  Group,  P.O.  Box  9382,  Des  Moines,  Iowa  50306-9382,
1-800-247-9988.
<PAGE>
TABLE OF CONTENTS OF THE STATEMENT OF ADDITIONAL INFORMATION

     The table of  contents  for the  Statement  of  Additional  Information  is
provided below.

                                TABLE OF CONTENTS
                                                                          Page

Independent Auditors   ................................................     3

Calculation of Yield and Total Return   ...............................     3

Taxation Under Certain Retirement Plans................................     4

Principal Mutual Life Insurance Company Separate Account B

     Report of Independent Auditors ...................................     7

     Financial Statements..............................................     8

The Principal Financial Group(R)

     Report of Independent Auditors ...................................    25

     Financial Statements..............................................    26


To obtain a copy of the  Statement of  Additional  Information,  free of charge,
write or telephone:

                                Variable Annuity
                          The Principal Financial Group
                                  P.O. Box 9382
                           Des Moines, Iowa 50306-9382
                            Telephone: 1-800-247-9988


                                   APPENDIX A

The Company hereby offers to exchange the Contract  described in this Prospectus
("PVA Contract") for certain  outstanding  Pension Builder Plus Variable Annuity
Contracts   ("Pension  Builder  Plus  Contracts")   issued  in  connection  with
Individual  Retirement  Annuity  ("IRA") plans or programs,  including  SEPs and
SAR-SEPs (but excluding employer-sponsored IRAs) adopted pursuant to Section 408
of the  Internal  Revenue Code or for such Pension  Builder Plus  Contracts  the
withdrawals  from which may be  transferred  to the  Contract  described in this
prospectus  to fund an IRA. The Company  reserves  the right to  terminate  this
exchange offer at any time. In considering  whether to accept the exchange offer
you should  consult the  Pension  Builder  Plus  Contract  Prospectus  since the
provisions and charges of the Pension Builder Plus Contract differ from those of
the PVA Contract.

The Pension  Builder  Plus  Contract may be exchanged at net asset value for the
PVA  Contract.  To effect an  exchange,  the Company must receive from you (1) a
completed  application  for the PVA Contract,  (2) a written request and release
for the exchange, and (3) the Pension Builder Plus Contract to be exchanged. The
exchange will become  effective as of the close of the Valuation Period in which
all of these three  items are  received  by the  Company at its home  office.  A
Participant's Investment Account Value of the Pension Builder Plus Contract will
be  determined  as of the  time  the  exchange  becomes  effective  and  will be
transferred to the PVA Contract. No surrender charge otherwise applicable to the
Pension  Builder  Plus  Contract  will  apply  to the  surrender  affecting  the
exchange.  The PVA Contract's  contingent deferred sales charge will be computed
as if prior  Purchase  Payments for the Pension  Builder Plus Contract have been
made for the PVA  Contract  on the date of issue  of the  Pension  Builder  Plus
Contract.  The contingent deferred sales charge for additional Purchase Payments
made under the PVA Contract after the transfer of the Accumulated Value from the
Pension Builder Plus Contract will be computed based on the number of years that
the additional  Purchase Payments to which the withdrawal is attributed has been
credited under the PVA Contract, as provided in this Prospectus.

Summary of Differences between Contracts

The Pension Builder Plus Contract and the PVA Contract differ substantially,  as
summarized below. There may be additional  differences  important to you and the
prospectuses of both contracts  should be reviewed  carefully  before making the
exchange.

Contingent Deferred Sales Charge. The contingent deferred sales charge under the
PVA Contract applies to all Purchase Payments received during any Contract Year.
The contingent  deferred  sales charge for the Pension  Builder Plus Contract is
based upon the number of Contribution Years a Participant has been covered under
the Contract (rather than on the year in which the Contribution was made). Thus,
for certain  Participants of the Pension  Builder Plus  Contracts,  new Purchase
Payments  made  after  accepting  the  exchange  offer  would be  subject to the
contingent  deferred  sales  charge  under the PVA  Contract,  but new  Purchase
Payments  made  under the  Pension  Builder  Plus  Contract  would not have been
subject to such a charge,  or would have been subject to a lesser charge had the
offer been rejected.

The  contingent  deferred  sales charge of the PVA Contract will be waived under
all of the circumstances under which the contingent deferred sales charge to the
Pension  Builder  Plus  Contract  would  be  waived  and,  in  addition  the PVA
Contract's charge does not apply to:

     1.   any  amount   distributed   to  satisfy   the   minimum   distribution
          requirements of Section 401(a)9 of the Internal Revenue Code;

     2.   where  permitted  by state law, to a  withdrawal  made after the first
          Anniversary as a result of the Owner's or  Annuitant's  Critical Need,
          as described in this Prospectus; and

     3.   to the Free Surrender Privilege as defined in this Prospectus.

Annual Fee  versus  Administration  Charge.  The PVA  Contract  is subject to an
Annual Fee equal to the lesser of $30 or 2% of the  Owner's  Accumulated  Value.
The Annual Fee currently  does not apply to Contracts  that have an  Accumulated
Value of at least  $30,000.  In addition,  the Company has reserved the right to
assess each Division of the Separate Account with a daily administrative expense
charge  at an  annual  rate of .15%  of the  average  daily  net  assets  of the
Division.  This  charge is not  currently  imposed.  The  Pension  Builder  Plus
Contract is subject to annual  Administration Charge equal to $25 plus an amount
equal to .5% of the first $50,000 of the value of all Investment Accounts of the
Participant under the Contract.  Thus, the maximum annual  Administration Charge
under the Pension Builder Plus Variable Annuity Contract is $275.

Mortality  and Expense  Risks  Charge.  The annual  mortality  and expense risks
charge of the PVA Contract is equal to 1.25% of the average  daily net assets of
the Separate Account.  The mortality and expense risks charges applicable to the
Pension  Builder  Plus  Contract are 1.4965%  (1.0001%  for Rollover  Individual
Retirement Annuities) of the average daily net assets.

Death Benefit. The benefit payable on death of the annuitant or owner of the PVA
Contract is the greater of :

     1.   the  Accumulated  Value on the date the  Company  receives  Notice  of
          death; or

     2.   Total  Purchase  Payments  less any partial  surrenders  and Surrender
          Charges as of the date the Company receives Notice of death; or

     3.   the death benefit that was in effect on any prior  anniversary that is
          divisible  equally  by 7,  plus  any  Purchase  Payments  and less any
          partial surrenders made after that Anniversary.

The death benefit  payable  under the Pension  Builder Plus Contract is equal to
the market value of a Participant's Investment Account Values as of the date the
Company  receives proof of death.  The PVA Contract's death benefit thus will be
at least equal to, and perhaps  greater than,  that of the Pension  Builder Plus
Contract.

Right to Examine after Exchange

Persons who,  under the terms of this  exchange  offer,  exchange  their Pension
Builder  Plus  Contract for the PVA  Contract  and  subsequently  revoke the PVA
Contract  within  the  time  permitted,  as  described  in the  section  of this
Prospectus  captioned  "Right to Examine the Contract,"  will have their Pension
Builder Plus Contract automatically reinstated as of the date of revocation. The
refunded amount will be applied as the new current  Accumulated  Value under the
reinstated  Contract,  which may be more or less than it would  have been had no
exchange  and  reinstatement  occurred.  The  refunded  amount will be allocated
initially among the Divisions of the reinstated Pension Builder Plus Contract in
the same  proportion  that the value in each  Division  bore to the  transferred
Accumulated Value on the date of the exchange of the PVA Contract.  For purposes
of calculating any contingent deferred sales charge under the reinstated Pension
Builder  Plus  Contract,  the  reinstated  Contract  will be deemed to have been
issued  and to have  received  past  Purchase  Payments  as if there had been no
exchange.
<PAGE>
                                     PART B

           PRINCIPAL MUTUAL LIFE INSURANCE COMPANY SEPARATE ACCOUNT B

                   FLEXIBLE VARIABLE ANNUITY ("FVA") CONTRACT





                       Statement of Additional Information

   
                           dated ____________________


This Statement of Additional  Information  provides  information about Principal
Mutual Life Insurance  Company Separate Account B Flexible Variable Annuity (the
"Contract") in addition to the  information  that is contained in the Contract's
Prospectus, dated _________________.
    

This Statement of Additional Information is not a prospectus.  It should be read
in  conjunction  with the  Prospectus,  a copy of which can be obtained  free of
charge by writing or telephoning:



                                Variable Annuity
                          The Principal Financial Group
                                  P.O. Box 9382
                           Des Moines Iowa 50306-9382
                            Telephone: 1-800-247-9988



                                TABLE OF CONTENTS


Independent Auditors .....................................................   3

Calculation of Yield and Total Return.....................................   3

Taxation Under Certain Retirement Plans...................................   4

Principal Mutual Life Insurance Company Separate Account B

        Report of Independent Auditors....................................   6

        Financial Statements..............................................   7

The Principal Financial Group(R)

        Report of Independent Auditors....................................  24

        Financial Statements..............................................  25

INDEPENDENT AUDITORS

Ernst & Young LLP, Des Moines, Iowa, serve as independent auditors for Principal
Mutual Life Insurance  Company  Separate  Account B and The Principal  Financial
Group and perform audit and accounting  services for Separate  Account B and the
The Principal Financial Group.

CALCULATION OF YIELD AND TOTAL RETURN

The  Separate  Account  may  publish   advertisements   containing   information
(including graphs,  charts, tables and examples) about the performance of one or
more of its Divisions.

The Contract  was not offered  prior to June 16, 1994.  However,  the  Divisions
invest in Accounts of the Principal Variable Contracts Fund, Inc. These Accounts
correspond to open-end  investment  companies ("mutual funds") which,  effective
January 1, 1998, were  reorganized  into the Accounts of the Principal  Variable
Contracts Fund, Inc. as follows:

           Old Mutual Fund Name                  New Corresponding Account Name
           --------------------                  ------------------------------
     Principal Aggressive Growth Fund, Inc.     Aggressive Growth Account
     Principal Asset Allocation Fund, Inc.      Asset Allocation Account
     Principal Balanced Fund, Inc.              Balanced Account
     Principal Bond Fund, Inc.                  Bond Account
     Principal Capital Accumulation Fund, Inc.  Capital Value Account
     Principal Emerging Growth Fund, Inc.       MidCap Account
     Principal Government Securities Fund, Inc. Government Securities Account
     Principal Growth Fund, Inc.                Growth Account
     Principal Money Market Fund, Inc.          Money Market Account
     Principal World Fund, Inc.                 International Account

The  Accounts  (under their  former  names) were  offered  prior to the date the
Contract was available.  Thus, the Separate  Account may publish  advertisements
containing information about the hypothetical  performance of one or more of its
Divisions  for this  Contract had the contract  been issued on or after the date
the Account in which such Division  invests was first offered.  The hypothetical
performance  from the date of  inception  of the  Account in which the  Division
invests is derived by reducing the actual  performance of the underlying Account
by the fees and  charges of the  Contract  as if it had been in  existence.  The
yield and total return figures  described  below will vary depending upon market
conditions, the composition of the underlying Account's portfolios and operating
expenses.  These  factors  and  possible  differences  in the  methods  used  in
calculating  yield and total return  should be  considered  when  comparing  the
Separate Account  performance figures to performance figures published for other
investment  vehicles.  The Separate  Account may also quote rankings,  yields or
returns as published  by  independent  statistical  services or  publishers  and
information  regarding  performance of certain market  indices.  Any performance
data quoted for the Separate Account represents only historical  performance and
is not intended to indicate future performance.

From time to time the Account advertises its Money Market Division's "yield" and
"effective  yield"  for  these  Contracts.  Both  yield  figures  are  based  on
historical  earnings and are not intended to indicate  future  performance.  The
"yield" of the Division  refers to the income  generated by an investment  under
the  contract in the  Division  over a seven-day  period  (which  period will be
stated in the  advertisement).  This income is then  "annualized."  That is, the
amount of income  generated by the investment  during that week is assumed to be
generated  each week over a 52-week  period and is shown as a percentage  of the
investment.  The "effective yield" is calculated similarly but, when annualized,
the income earned by an investment in the division is assumed to be  reinvested.
The "effective  yield" will be slightly  higher than the "yield"  because of the
compounding  effect  of  this  assumed  reinvestment.  Neither  yield  quotation
reflects a sales load deducted from purchase payments which, if included,  would
reduce the "yield" and "effective yield."

In addition,  from time to time, the Separate Account will advertise the "yield"
for  certain  other  Divisions  for the  Contract.  The "yield" of a Division is
determined by  annualizing  the net  investment  income per unit for a specific,
historical  30-day period and dividing the result by the ending maximum offering
price of the unit for the same period.  This yield  quotation does not reflect a
contingent deferred sales charge which, if included, would reduce the "yield."

Also, from time to time, the Separate  Account will advertise the average annual
total return of its various  Divisions.  The average annual total return for any
of the Divisions is computed by calculating  the average annual  compounded rate
of return over the stated period that would equate an initial $1,000  investment
to the ending redeemable contract value. In this calculation the ending value is
reduced by a contingent  deferred sales charge that decreases from 6% to 0% over
a period of 7 years.  The  Separate  Account  may also  advertise  total  return
figures for its Divisions for a specified period that does not take into account
the sales charge in order to illustrate the change in the Division's  unit value
over time.  See "Charges and  Deductions"  in the Prospectus for a discussion of
contingent deferred sales charges.

Following  are the  hypothetical  average  annual  total  returns for the period
ending  December  31, 1997  assuming  the  contract  had been  offered as of the
effective dates of the underlying Accounts in which the Divisions invest:

<TABLE>
<CAPTION>
                                                With Contingent Deferred                         Without Contingent
                                                        Sales Charge                            Deferred Sales Charge
                                                ------------------------                        ---------------------
           Division                     One Year       Five Year       Ten Year       One Year       Five Year       Ten Year
           --------                     --------       ---------       --------       --------       ---------       --------
<S>                                       <C>             <C>           <C>             <C>             <C>          <C>     
   
Aggressive Growth Division                23.16           26.45(1)      26.45(1)        29.16           27.21(1)     27.21(1)
Asset Allocation Division                 10.72           11.93(1)      11.93(1)        16.72           12.96(1)     12.96(1)
Balanced Division                         10.46           10.64         11.56           16.46           11.17        11.56
Bond Division                              3.27            6.46          8.25            9.23            7.08         8.25
Capital Value Division                    20.94           15.89         13.80           26.94           16.33        13.80
Government Securities Division             3.08            5.38          8.00            9.02            6.02         8.00
Growth Division                           19.39           16.62(2)      16.62(2)        25.39           17.52(2)     17.52(2)
International Division                     4.85           10.24(2)      10.24(2)        10.85           11.28(2)     11.28(2)
MidCap Division                           15.23           16.28         16.83           21.23           16.72        16.83
Money Market Division                     -1.69            2.48          4.28            3.95            3.19         4.28

<FN>
(1) Period from June 1, 1994 through  December 31, 1997.  
(2) Period from May 2, 1994 through December 31, 1997.
</FN>
    
</TABLE>

TAXATION UNDER CERTAIN RETIREMENT PLANS

INDIVIDUAL RETIREMENT ANNUITIES

Purchase Payments.  Individuals may make contributions for individual retirement
annuity ("IRA") Contracts.  Deductible contributions for any year may be made up
to the lesser of $2,000 or 100% of compensation  for individuals who (1) are not
active  participants  in another  retirement  plan,  (2) are  unmarried and have
adjusted  gross income of $40,000 or less,  or (3) are married and have adjusted
gross income of $60,000 or less.  Such  individuals  may  establish an IRA for a
spouse who makes no contribution to an IRA for the tax year. The annual purchase
payments for both spouses'  Contracts cannot exceed the lesser of $4,000 or 100%
of  the  working  spouse's  earned  income,  and  no  more  than  $2,000  may be
contributed  to either  spouse's  IRA for any year.  Individuals  who are active
participants  in other  retirement  plans and whose  adjusted gross income (with
certain special  adjustments)  exceeds the cut-off point ($40,000 for unmarried,
$60,000 for married persons filing jointly,  and $0 for married persons filing a
separate  return) by less than  $10,000  are  entitled  to make  deductible  IRA
contributions  in  proportionately  reduced  amounts.  For  example,  a  married
individual who is an active  participant in another  retirement plan and files a
separate tax return is entitled to a partial IRA  deduction if the  individual's
adjusted  gross income is less than $10,000,  and no IRA deduction if his or her
adjusted  gross income is equal to or greater than  $10,000.  Individuals  whose
spouse is an active  participant  in other  retirement  plans and whose combined
adjusted  gross income exceeds the cutoff point of $150,000 by less than $10,000
are entitled to make deductible IRA  contributions  in  proportionately  reduced
amounts.

An individual may make  non-deductible  IRA  contributions  to the extent of the
excess of (1) the lesser of $2,000 ($4,000 in the case of a spousal IRA) or 100%
of compensation over (2) the IRA deductible  contributions  made with respect to
the individual.

An individual may not make any  contribution  to his/her own IRA for the year in
which he/she reaches age 70 1/2 or for any year thereafter.

Taxation  of  Distributions.  Distributions  from  IRA  Contracts  are  taxed as
ordinary income to the recipient,  although special rules exist for the tax-free
return of  non-deductible  contributions.  In  addition,  taxable  distributions
received  under an IRA Contract prior to age 59 1/2 are subject to a 10% penalty
tax in addition to regular income tax. Certain  distributions  are exempted from
this  penalty  tax,  including  distributions  following  the  owner's  death or
disability  if the  distribution  is paid as part of a series  of  substantially
equal periodic  payments made for the life (or life  expectancy) of the Owner or
the joint lives (or joint life expectancies) of Owner and the Owner's designated
Beneficiary;  distributions to pay medical  expenses;  distributions for certain
unemployment  expenses;  distributions  for first home purchases (up to $10,000)
and distributions for higher education expenses.

Required  Distributions.   Generally,  distributions  from  IRA  Contracts  must
commence not later than April 1 of the calendar year following the calendar year
in which the employee  attains age 70 1/2, and such  distributions  must be made
over a period that does not exceed the life  expectancy  of the employee (or the
employee and  Beneficiary).  A penalty tax of 50% would be imposed on any amount
by which the  minimum  required  distribution  in any year  exceeded  the amount
actually  distributed in that year. In addition,  in the event that the employee
dies before his or her entire interest in the Contract has been distributed, the
employee's  entire interest must be distributed in accordance with rules similar
to those  applicable  upon  the  death  of the  Contract  Owner in the case of a
non-qualified contract, as described in the Prospectus.

Tax-Free  Rollovers.  The  Code  permits  the  taxable  portion  of  funds to be
transferred  in  a  tax-free   rollover  from  a  qualified   employer  pension,
profit-sharing,  annuity,  bond purchase or tax-deferred  annuity plan to an IRA
Contract  if  certain  conditions  are met,  and if the  rollover  of  assets is
completed  within 60 days  after the  distribution  from the  qualified  plan is
received.  A direct  rollover of funds may avoid a 20%  federal tax  withholding
generally   applicable  to  qualified   plans  or   tax-deferred   annuity  plan
distributions.  In addition,  not more frequently than once every twelve months,
amounts may be rolled  over  tax-free  from one IRA to  another,  subject to the
60-day  limitation  and other  requirements.  The  once-per-year  limitation  on
rollovers does not apply to direct  transfers of funds between IRA custodians or
trustees.

SIMPLIFIED  EMPLOYEE  PENSION  PLANS AND SALARY  REDUCTION  SIMPLIFIED  EMPLOYEE
PENSION PLANS

Purchase Payments.  Under Section 408(k) of the Code,  employers may establish a
type of IRA plan  referred  to as a  simplified  employee  pension  plan  (SEP).
Employer  contributions  to a SEP cannot  exceed the lesser of $24,000 or 15% or
the  employee's  earned  income.  Employees of certain small  employers may have
contributions  made to the salary  reduction  simplified  employee  pension plan
("SAR/SEP") on their behalf on a salary reduction basis.  These salary reduction
contributions  may not exceed  $10,000 in 1998,  which is indexed for inflation.
Employees of tax-exempt  organizations  and state and local government  agencies
are not eligible for SAR/SEPs.  SAR/SEPs may not be  established  after December
31, 1996.

Taxation  of  Distributions.  Generally,  distribution  payments  from  SEPs and
SAR/SEPs are subject to the same distribution rules described above for IRAs.

Required  Distributions.  SEPs and  SAR/SEPs  are  subject  to the same  minimum
required distribution rules described above for IRAs.

Tax-Free Rollovers. Generally, rollovers and direct transfers may be made to and
from SEPs and SAR/SEPs in the same manner as described  above for IRAs,  subject
to the same conditions and limitations.

SAVINGS INCENTIVE MATCH PLANS FOR EMPLOYEES (SIMPLE IRA)

Purchase Payments.  Under Section 408(p) of the Code,  employers may establish a
type of IRA plan known as a Simple IRA. Employees may have contributions made to
the SIMPLE IRA on a salary reduction basis. These salary reduction contributions
may not exceed  $6,000 in 1998,  which is indexed for  inflation.  Total  salary
reduction  contributions  are limited to $10,000 per year for any  employee  who
makes  salary  reduction  contributions  to more  than one plan.  Employers  are
required to contribute to the SIMPLE IRA, which contributions may not exceed the
lesser of:  (1) The amount of salary  deferred  by the  employee,  (2) 3% of the
employee's  compensation,  or (3)  $6,000,  if  the  employer  contributes  on a
matching basis; or the lesser of: (1) 2% of the employee's compensation,  or (2)
$3,200, if the employer makes  non-elective  contributions.  An employer may not
make contributions to both a SIMPLE IRA and another retirement plan for the same
calendar year.

Taxation of Distributions. Generally, distribution payments from SIMPLE IRAs are
subject to the same  distribution  rules described  above for IRAs,  except that
distributions  made  within  two  years  of  the  date  of an  employee's  first
participation  in a SIMPLE IRA of an  employer  are subject to a 25% penalty tax
instead of the 10% penalty tax discussed previously.

Required  Distributions.  SIMPLE IRAs are subject to the same  minimum  required
distribution rules described above for IRAs.

Tax-Free  Rollovers.  Direct transfers may be made among SIMPLE IRAs in the same
manner  as  described  above  for  IRAs,  subject  to the  same  conditions  and
limitations.  Rollovers  from  SIMPLE  IRAs are  permitted  after two years have
elapsed from the date of an employee's  first  participation  in a SIMPLE IRA of
the employer. Rollovers to SIMPLE IRAs from other plans are not permitted.

ROTH INDIVIDUAL RETIREMENT ANNUITIES (ROTH IRA)

Purchase  Payments.  Under  Section  408A  of the  Code,  Individuals  may  make
nondeductible   contributions   to  Roth  IRA  contracts  up  to  $2,000.   This
contribution  amount must be reduced by the amount of any contributions  made to
other  IRAs  for  the  benefit  of  the  Roth  IRA  owner.  The  maximum  $2,000
contribution  is phased out for single  taxpayers  with  adjusted  gross  income
between  $95,000 and $110,000 and for joint  filers with  adjusted  gross income
between  $150,000 and $160,000.  If taxable  income is recognized on the regular
IRA, an IRA owner with adjusted gross income of less than $100,000 may convert a
regular  IRA into a Roth IRA.  If the  conversion  is made in 1998,  IRA  income
recognized may be spread over four years. Otherwise, all IRA income will need to
be  recognized in the year of  conversion.  No IRS 10% tax penalty will apply to
the conversion.

Taxation of Distribution.  Qualified  distributions are received income-tax free
by the Roth IRA owner,  or  beneficiary in case of the Roth IRA owner's death. A
qualified  distribution  is any  distribution  made  after five years if the IRA
owner  is over  age 59 1/2,  dies,  becomes  disabled,  or uses  the  funds  for
first-time home buyer expenses at the time of distribution. The five year period
for converted amounts begins from the year of the conversion.


   
RF 581 B-7
    




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