PRINCIPAL MUTUAL LIFE INSURANCE COMPANY SEPARATE ACCOUNT B
497, 1995-05-03
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                    PRINCIPAL MUTUAL LIFE INSURANCE COMPANY

                               SEPARATE ACCOUNT B

                               PERSONAL VARIABLE

                       (A Group Variable Annuity Contract

                        For Employer Sponsored Qualified

                      And Non-Qualified Retirement Plans)


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

                        Prospectus dated March 31, 1995

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

     Additional  information  about the  Contracts,  including  a  Statement  of
Additional Information, dated March 31, 1995, 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 29 of this  Prospectus.  A copy of the
Statement  of  Additional  Information  can be  obtained,  free of charge,  upon
request by writing or telephoning:


                     Princor Financial Services Corporation
                                  A Member of
                         The Principal Financial Group
                              Des Moines, IA 50392
                           Telephone: 1-800-247-4123


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.
<PAGE>
This  Prospectus is valid only when  accompanied  by the current  prospectus for
Principal  Balanced Fund, Inc.,  Principal Bond Fund.,  Inc.,  Principal Capital
Accumulation  Fund,  Inc.,  Principal  Emerging  Growth  Fund,  Inc.,  Principal
Government  Securities Fund, Inc.,  Principal Growth Fund, Inc., Principal Money
Market Fund, Inc. and Principal World Fund, Inc. The Funds' prospectus should be
kept for future reference.
                               TABLE OF CONTENTS

                                                                            Page
Glossary of Special Terms ..................................................  4
Expense Table   ............................................................  6
Example  ...................................................................  7
Condensed Financial Information.............................................  7
Summary   ..................................................................  8
Description of Principal Mutual Life Insurance Company......................  9
Principal MutualLife Insurance Company Separate Account B...................  9
Deductions under the Contract............................................... 11
     Contingent Deferred Sales Charge....................................... 11
     Contract Administration Expense/Recordkeeping Charge .................. 12
     Mortality and Expense Risks Charge .................................... 13
Other Expenses   ........................................................... 13
     Application Fee and Transfer Fee....................................... 13
     Documentation Expense.................................................. 14
     Location Fee .......................................................... 14
     Outside Asset Recordkeeping Charge..................................... 14
     Special Services....................................................... 14
Surplus Distribution at Sole Discretion of the Company ..................... 14
The Contract  .............................................................. 14
     Contract Values and Accounting Before Annuity Commencement Date ....... 15
         Investment Accounts ............................................... 15
         Unit Value ........................................................ 15
         Net Investment Factor ............................................. 15
         Hypothetical Example of Calculation of Unit Value for All
              Divisions Except the Money Market Division.................... 15
         Hypothetical Example of Calculation of Unit Value for
               the Money Market Division.................................... 15
     Income Benefits ....................................................... 16
         Variable Annuity Payments.................... ..................... 16
              Selecting a Variable Annuity ................................. 16
              Forms of Variable Annuities .................................. 16
              Basis of Annuity Conversion Rates ............................ 17
              Determining the Amount of the First Variable Annuity Payment.. 18
              Determining the Amount of the Second and Subsequent
                  Monthly Variable Annuity Payments ........................ 18
              Hypothetical Example of Calculation of Variable Annuity
                  Payments ................................................. 19
         Flexible Income Option............................................. 19
     Payment on Death of Plan Participant................................... 20
         Prior to Annuity Purchase Date .................................... 20
         Subsequent to Annuity Purchase Date ............................... 20
<PAGE>
                                                                            Page
     Withdrawals and Transfers ............................................. 20
         Cash Withdrawals .................................................. 20
         Transfers Between Divisions ....................................... 21
         Transfers to the Contract ......................................... 21
         Transfers to Companion Contract ................................... 21
         Special Situation Involving Alternate Funding Agents .............. 21
         Postponement of Cash Withdrawal or Transfer ....................... 22
         Loans  ............................................................ 22
     Other Contractual Provisions .......................................... 22
         Contribution Limits ............................................... 22
         Assignment ........................................................ 22
         Cessation of Contributions ........................................ 22
         Substitution of Securities......................................... 22
         Changes in the Contract ........................................... 23
Statement of Values......................................................... 23
Services Available by Telephone............................................. 23
Distribution of the Contract................................................ 23
Performance Calculation..................................................... 24
Voting Rights  ............................................................. 24
Federal Tax Status.......................................................... 25
     Taxes Payable by Owners of Benefits and Annuitants..................... 25
         Tax-Deferred Annuity Plans......................................... 25
         Public Employee Deferred Compensation Plans........................ 26
         401(a) Plans....................................................... 26
         Creditor-Exempt Non-Qualified Plans................................ 27
         General Creditor Non-Qualified Plans............................... 28
     Fund Diversification................................................... 28
State Regulation  .......................................................... 28
Legal Opinions  ............................................................ 29
Legal Proceedings .......................................................... 29
Registration Statement...................................................... 29
Experts  ................................................................... 29
Contractholders' Inquiries.................................................. 29
Table of Contents of the Statement of Additional Information................ 29

     This  Prospectus  does not constitute an offer of, or  solicitation  of any
offer  to  acquire,  any  interest  or  participation  in the  Contracts  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 Contracts other than those contained in this Prospectus.
<PAGE>
GLOSSARY OF SPECIAL TERMS

Aggregate  Investment  Account Value -- The sum of the Investment Account Values
for Investment Accounts which correlate to a Plan Participant.

Annual  Average  Balance -- The total value at the beginning of the Deposit Year
of all  Investment  Accounts  which  correlate to a Plan  Participant  under the
contract and other Plan assets that correlate to a Plan Participant that are not
allocated to the contract or an Associated  or Companion  Contract but for which
the Company provides recordkeeping services ("Outside Assets"),  adjusted by the
time weighted  average of  Contributions  to, and withdrawals  from,  Investment
Accounts and Outside  Assets (if any) which  correlate  to the Plan  Participant
during the period.

Annuity  Change  Factor -- The factor used to determine the change in value of a
Variable Annuity in the course of payment.

Annuity Commencement Date -- The beginning date for Annuity Payments.

Annuity Premium -- The amount applied under the contract to purchase an annuity.

Annuity  Purchase Date -- The date an Annuity  Premium is applied to purchase an
annuity.

Associated  Contract  -- An annuity  contract  issued by the Company to the same
Contractholder  to fund  the  same or a  comparable  Plan as  determined  by the
Company.

Commuted  Value -- The dollar value,  as of a given date, of remaining  Variable
Annuity  Payments.  It is  determined  by the Company  using the  interest  rate
assumed in  determining  the initial  amount of monthly  income and  assuming no
variation in the amount of monthly payments after the date of determination.

Companion Contract -- An unregistered group annuity contract offering guaranteed
interest   crediting   rates  and  which  is  issued  by  the   Company  to  the
Contractholder  for the purpose of funding  benefits under the Plan. The Company
must agree in writing that a contract is a Companion Contract.

Contingent  Deferred  Sales  Charge -- The charge  deducted  from  certain  cash
withdrawals  from an  Investment  Account  before  the  Annuity  Purchase  Date,
payments made because of a Termination  of Employment or amounts  transferred to
an Alternate Funding Agent.

Contract  Administration/Recordkeeping  Charge  -- A  charge  deducted  or  paid
separately by the Contractholder on a quarterly basis each Deposit Year prior to
the Annuity Commencement Date or on a complete redemption of Investment Accounts
which correlate to a Plan  Participant  from the Aggregate  Investment  Accounts
that correlate to each Plan Participant.

Contract Date -- The date this contract is effective,  as shown on the face page
of the contract.

Contract  Year -- A period  beginning  on a Yearly  Date and  ending  on the day
before the next Yearly Date.

Contractholder  -- The entity to which the contract  will be issued,  which will
normally be an Employer, an association,  or a trust established for the benefit
of Plan Participants and their beneficiaries.

Contributions  -- Amounts  contributed  under the contract which are accepted by
the Company.

Deposit  Year  --  The  twelve-month  period  ending  on a day  selected  by the
Contractholder.

Division  -- The part of  Separate  Account B which is  invested  in shares of a
single Mutual Fund.

Employer -- The corporation,  sole  proprietor,  firm,  organization,  agency or
political subdivision named as employer in the Plan and any successor.

Flexible Income Option -- A periodic distribution from the contract in an amount
equal to the minimum  annual amount  determined  in accordance  with the minimum
distribution  rules  of the  Internal  Revenue  Code,  or a  greater  amount  as
requested by the Owner of Benefits.

Funding Agent -- An insurance  company,  custodian or trustee  designated by the
Contractholder and authorized to receive any amount or amounts  transferred from
the  contract  described  in this  prospectus.  Funding  Agent  will  also  mean
Principal  Mutual Life Insurance  Company where the  Contractholder  directs the
Company to transfer such amounts from the contract  described in this prospectus
to another group annuity contract issued by the Company to the Contractholder.

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

Investment  Account  --  An  account  that  correlates  to  a  Plan  Participant
established  under  the  contract  for each  type of  Contribution  and for each
Division in which the Contribution is invested.

Investment  Account Value -- The value of an  Investment  Account for a Division
which on any date will be equal to the  number of units  then  credited  to such
account  multiplied  by the Unit  Value of this  series  of  contracts  for that
Division for the Valuation Period in which such date occurs.

Mutual Fund -- A registered  open-end  investment company in which a Division of
Separate Account B invests.

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

Normal  Income Form -- The form of benefit to be provided  under the Plan if the
Owner of Benefits does not elect some other form. If the Plan does not specify a
Normal Income Form,  the Normal Income Form shall be: (a) for an unmarried  Plan
Participant,  the single life with ten years certain annuity option described in
this Prospectus, (b) for a married Plan Participant, the joint one-half survivor
annuity option described in this Prospectus.

Notification -- Any form of notice received by the Company at the Company's home
office  and  approved  in  advance  by  the  Company  including  written  forms,
electronic transmissions, telephone transmissions, facsimiles or photocopies.

Owner of Benefits -- The entity or individual that has the exclusive right to be
paid benefits and exercise rights and privileges pursuant to such benefits.  The
Owner of Benefits is the Plan  Participant  under all contracts except contracts
used to fund General Creditor  Non-Qualified  Plans (see "Summary")  wherein the
Contractholder is the Owner of Benefits.

Plan -- The plan  established by the Employer in effect on the date the contract
is executed and as amended from time to time,  which the Employer has designated
to the Company in writing as the Plan funded by the contract.

Plan  Participant  -- A person who is (i) a participant  under the Plan,  (ii) a
beneficiary of a deceased  participant,  or (iii) an  alternative  payee under a
Qualified Domestic Relations Order, in whose name an Investment Account has been
established under this contract.

Qualified  Domestic  Relations Order -- A Qualified  Domestic Relations Order as
defined in Internal Revenue Code Section 414(p)(1)(A).

Quarterly Date -- The last Valuation Date of the third, sixth, ninth and twelfth
month of each Deposit Year.

SEPARATE ACCOUNT B -- A separate  account  established by the Company under Iowa
law to receive  Contributions  under the Contract offered by this Prospectus and
other contracts issued by the Company.  It is divided into a Balanced  Division,
Bond  Division,   Capital  Accumulation  Division,   Emerging  Growth  Division,
Government  Securities  Division,  Growth Division,  Money Market Division and a
World Division. Additional Divisions may be added in the future.

Termination of Employment -- A Plan Participant's termination of employment with
the Employer, determined under the Plan and as reported to the Company.

Total and Permanent  Disability -- The condition of a Plan Participant  when, as
the result of  sickness  or  injury,  the Plan  Participant  is  prevented  from
engaging in any substantial  gainful activity and such total disability has been
continuous for a period of at least six months.  For contracts sold in the state
of  Pennsylvania,  this term shall have the same meaning as defined in the Plan.
The Plan  Participant  must submit due proof  thereof which is acceptable to the
Company.

Unit Value -- The value of a unit of a Division of Separate Account B.

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.

Variable Annuity Payments -- A series of periodic payments, the amounts of which
are not guaranteed but which will increase or decrease to reflect the investment
experience of the Capital Accumulation  Division of Separate Account B. Periodic
payments  made pursuant to the Flexible  Income Option are not Variable  Annuity
Payments.

Variable  Annuity  Reserves -- The reserves  held for annuities in the course of
payment for the Contract.

Yearly Date -- The Contract Date and the same day of each year thereafter.
<PAGE>

EXPENSE TABLE (1)

     The following  tables depict fees and expenses  applicable to the aggregate
of all  Investment  Accounts that  correlate to a Plan  Participant  established
under the Contract.  The example below should not be considered a representation
of past or future expenses;  actual expenses may be greater or lesser than those
shown. See "Deductions under the Contract."

Transaction Expenses
   Sales Load Imposed on Purchases
   (as a percentage of purchase payments)            None

   Deferred Sales Load  (2)
   (as a percentage of            For Withdrawals Occurring During
   amount surrendered)           Plan Participant's Year of Coverage
                     1      2       3      4       5      6       7   Thereafter
                     -      -       -      -       -      -       -   ----------
                   5.00%  4.25%   3.50%  2.75%   2.00%  1.25%   0.50%     0%

   Surrender Fees                                    None

   Exchange Fee                                      None

Annual Contract Fee (3)
     Contract Administration Expense/  $28 per Plan Participant + .35% of the
     Recordkeeping Charge (2)          Annual Average Balance of the Investment
                                       Accounts and Outside ssets hich correlate
                                       to the Plan Participant (4)(5)
Separate Account Annual Expenses
     (as a percentage of average account value)
     Mortality and Expense Risk Charge (2)          .55%

Annual Expenses of Mutual Funds
 (as a percentage of average net assets of the following mutual funds)
                             Management        Other          Total Mutual Fund
                               Fees           Expenses         Annual Expenses
   Principal Balanced Fund     .60%             .09%                .69%
   Principal Bond Fund         .50              .08                 .58
   Principal Capital
     Accumulation Fund         .49              .02                 .51
   Principal Emerging
     Growth Fund               .65              .09                 .74
   Principal Government
     Securities Fund           .50              .06                 .56
   Principal Growth Fund       .50              .25                 .75
   Principal Money
     Market Fund               .50              .10                 .60
   Principal World Fund        .75              .49                1.24

 (1) In  addition  to  the  expenses   described  in  the  Expense  Table,   the
     Contractholder  must  pay a $825  application  fee.  If  plan  records  are
     transferred from another  recordkeeper,  a transfer fee of $500 plus $3 per
     Plan  Participant  (maximum  $1,000) must also be paid. The  Contractholder
     must also pay a documentation  expense (if applicable) and, if services are
     provided to  multiple  employee  group  locations,  a location  fee. If the
     Company provides  recordkeeping  services for plan assets other than assets
     under  this  contract  or  an  Associated   or  Companion   Contract,   the
     Contractholder must pay an outside asset  recordkeeping  charge that varies
     depending on the number of Plan  Participants  to which such Outside Assets
     correlate  and whether  ongoing  Contributions  will be  allocated  to such
     Outside Assets. These fees are not deductible from Investment Accounts. See
     "Other Expenses."

 (2) The  Contingent   Deferred  Sales  Charge,   Contract   Administration
     Expense/Recordkeeping  Charge and  mortality  and  expense  risks  charge
     may be changed on 60-days notice subject to certain limitations. See "Other
     Contractual Provisions."

 (3) Annual  contract  fees are charged on a quarterly  basis or assessed upon a
     complete  redemption of all Investment  Accounts which  correlate to a Plan
     Participant.  The amount of the quarterly  charge  deducted from Investment
     Accounts which  correlate to a Plan  Participant  will not exceed 1% of the
     aggregate  value of such  accounts as of the date the charges are deducted.
     The 1%  limitation  on the  Contract  Administration  Expense/Recordkeeping
     Charge  does  not  apply  if the  annual  contract  fees  are  paid  by the
     Contractholder. See "Deductions Under the Contract."

 (4) If benefit plan reports are mailed to the Plan  Participants' home address,
     the $31 charge will be  increased to $34. If more than two 401(k) or 401(m)
     non-discrimination  tests are provided by the Company in any Deposit  Year,
     the $31 ($34) per Plan Participant Contract  Administration  Expense may be
     increased  by 3% for each  additional  test.  If benefit  plan  reports are
     mailed monthly instead of quarterly,  the $31($34) charge will be increased
     by 24%.  The  $31($34)  charge  will be reduced by 10% if data,  investment
     elections  and  ongoing  Contributions  are  reported to the Company in the
     Company's  standard  format on magnetic  tapes or computer  diskettes.  See
     "Deductions Under the Contract."

 (5) An additional  $25 annual charge will be made for aggregate  Investment
     Account  Values  which  correlate to the Plan  Participant  for which a
     Flexible Income Option has been selected. See "Deductions Under the
     Contract."

 (6) Based on annualized amounts for the period beginning May 1, 1994 and ending
     December 31, 1994.
<PAGE>
<TABLE>
<CAPTION>

EXAMPLE
                                            Separate Account
                                                Division               1 Year   3 Years    5 Years   10 Years
                                                --------               -------  --------   --------  ---------
If the Investments Accounts which
correlate to a Plan Participant are
surrendered at the end of the
applicable time period:

<S>                                       <C>                            <C>     <C>         <C>       <C>
   The Owner of Benefits would            Balanced                       $71      $98        $126      $223
   pay the following expenses on          Bond                           $70      $95        $121      $212
   a $1,000 investment, assuming          Capital Accumulation           $69      $93        $117      $203
   a 5% annual return on assets:          Emerging Growth                $71     $100        $129      $229
                                          Government Securities          $70      $94        $119      $208
                                          Growth                         $72     $100         N/A       N/A
                                          Money Market                   $70      $96        $122      $214
                                          World                          $76     $115         N/A       N/A
If the Investment  Accounts which
correlate to a Plan Participant
are annuitized at the end of
the applicable time period or
rate not surrendered:

   The Owner of Benefits would            Balanced                       $19      $60        $103      $223
   pay the following expenses on          Bond                           $18      $57         $97      $212
   a $1,000 investment, assuming          Capital Accumulation           $17      $54         $93      $203
   a 5% annual return on assets:          Emerging Growth                $20      $62        $106      $229
                                          Government Securities          $18      $56         $96      $208
                                          Growth                         $20      $62         N/A       N/A
                                          Money Market                   $18      $57         $99      $214
                                          World                          $25      $77         N/A       N/A

     The  purpose  of the above  table is to assist  the  Owner of  Benefits  in
understanding the various costs and expenses that an Owner of Benefits will bear
directly or indirectly.  The table reflects  expenses of the Separate Account as
well as the expenses of the Mutual Funds in which the Separate  Account invests.
See "Deductions Under the Contract."
</TABLE>
<PAGE>
<TABLE>
<CAPTION>

CONDENSED FINANCIAL INFORMATION

     Financial   statements   are  included  in  the   Statement  of  Additional
Information.  Following  are  Unit  Values  for the  Personal  Variable  Annuity
Contract for the periods ended December 31.

                                                Accumulation Unit Value           Number of Accumulation Units
                                                 Beginning       End              Outstanding at End of Period
                                                 of period    of period                  (in thousands)
<S>                                               <C>       <C>                              <C>
     Balanced Division
       Period Ended December 31, 1994 (1)         $1.000    $  .975                              4
     Bond Division
       Period Ended December 31, 1994 (1)          1.000      1.012                              0
     Capital Accumulation Division
       Year Ended December 31
         1994                                      1.143      1.142                          1,638
         1993                                      1.066      1.143                            504
         1992 (2)                                  1.000      1.066                             14                          
     Emerging Growth Division
       Period Ended December 31, 1994 (1)          1.000       .990                             14
     Government Securities Division
       Year Ended December 31
         1994                                      1.116      1.060                          1,575
         1993                                      1.020      1.116                            809
         1992 (2)                                  1.000      1.020                             15
     Growth Division
       Period Ended December 31, 1994 (1)          1.000      1.000                              5
     Money Market Division
       Year Ended December 31
         1994                                      1.033      1.066                            742
         1993                                      1.011      1.033                            183
         1992 (2)                                  1.000      1.011                             29
     World Division
       Period Ended December 31, 1994 (1)          1.000       .957                             21
<FN>
      (1) Commenced operations on October 3, 1994.
      (2) Commenced operations on July 15, 1992.
</FN>
</TABLE>
<PAGE>

SUMMARY

     The  following  summary  should be read in  conjunction  with the  detailed
information appearing elsewhere in this Prospectus.

Contract Offered

     The group variable annuity contract offered by this Prospectus is issued by
the Company and designed to aid in retirement  planning.  The contract  provides
for the  accumulation  of  Contributions  and the  payment of  Variable  Annuity
Payments on a completely variable basis.

     The Contract is generally available to fund the following types of plans:

     1. Tax Deferred Annuity Plans ("TDA Plan").  Annuity purchase plans adopted
pursuant to Section 403(b) of the Code by certain organizations that qualify for
tax-exempt  status under  Section  501(c)(3) of the Code or are eligible  public
schools or colleges.  Contracts are issued to  Contractholders,  which typically
are  such  tax-exempt   organizations  or  an  association   representing   such
organization  or its employees.  Plan  Participants  may obtain certain  Federal
income tax benefits  provided under Section 403(b) of the Code (see "Federal Tax
Status").  Note:  The contract is not currently  offered to fund  government 457
Plans in the state of New York.

     2. Public  Employee  Deferred  Compensation  Plans  ("PEDC  Plan").  Public
Employee Deferred Compensation plans or programs adopted by a unit of a state or
local  government  and non-profit  organizations  pursuant to Section 457 of the
Code. (See "Federal Tax Status").

     3. Qualified  Pension or  Profit-Sharing  Plans  ("401(a)  Plans").  Plans
adopted  pursuant to Section  401(a) of the Code.  Participants  of 401(a) Plans
obtain income tax benefits provided under the Code as qualified pension plans.

     4. Creditor-Exempt    or   General    Creditor    Non-Qualified    Plans
("Creditor-Exempt"  or "General  Creditor" Plan).  Employer  sponsored  savings,
compensation  or other  plans  the  contributions  for  which  are made  without
Internal Revenue Code restrictions  generally applicable to qualified retirement
plans. (See "Federal Tax Status").

     The Contract will be sold primarily by persons who are insurance  agents of
or brokers for  Principal  Mutual Life  Insurance  Company.  In addition,  these
persons will usually be registered representatives of Princor Financial Services
Corporation,  which acts as distributor for the Contract.  See  "Distribution of
the Contract."

Contributions

     The contract prescribes no limits on the minimum  Contribution which may be
made to an  Investment  Account.  Plan  Participant  maximum  Contributions  are
discussed under "Federal Tax Status."  Contributions  may also be limited by the
Plan. The Company may also limit Contributions on 60-days notice.

     All  Contributions  made  pursuant to the contract are  allocated to one or
more Investment  Accounts which correlate to a Plan  Participant.  An Investment
Account  is  established  for each type of  Contribution  for each  Division  of
Separate  Account B as directed  by the Owner of  Benefits.  Currently  Separate
Account B has eight  Divisions:  a Balanced  Division,  Bond  Division,  Capital
Accumulation Division, Emerging Growth Division, Government Securities Division,
Growth Division,  Money Market Division and a World Division. The Contractholder
may choose to limit the number of Divisions  available to the Owner of Benefits,
but the  Money  Market  Division  may not be so  restricted  to the  extent  the
Division is  necessary to permit the Company to allocate  initial  Contributions
and the Capital Accumulation Division may not be so restricted to the extent the
Division is necessary to permit the Company to pay  Variable  Annuity  Payments.
Additional Divisions may be added in the future. If no direction is provided for
a particular Contribution,  such Contribution will be allocated to an Investment
Account which is invested in the Money Market Division.

Separate Account B

     Each of the  Divisions  corresponds  to one of the  Mutual  Funds  in which
Contributions  may be  invested.  The  objective of the contract is to provide a
return on amounts contributed that will reflect the investment experience of the
Funds in which the Divisions to which  Contributions  are directed are invested.
The value of the  Contributions  accumulated in Separate  Account B prior to the
Annuity Commencement Date will vary with the investment experience of the Mutual
Funds.

     Each of the Divisions  invests only in shares of a Mutual Fund as indicated
in the table below.

              Division                              Mutual Fund
              --------                              -----------
      Balanced Division               Principal Balanced Fund, Inc.
      Bond Division                   Principal Bond Fund, Inc.
      Capital Accumulation Division   Principal Capital Accumulation Fund, Inc.
      Emerging Growth Division        Principal Emerging Growth Fund, Inc.
      Government Securities Division  Principal Government Securities Fund, Inc.
      Growth Division                 Principal Growth Fund, Inc.
      Money Market Division           Principal Money Market Fund, Inc.
      World Division                  Principal World Fund, Inc.

Distributions, Transfers and Withdrawals

     Variable  Annuity  Payments will be made on and after a Plan  Participant's
Annuity  Commencement  Date.  All  Variable  Annuity  Payments  will reflect the
performance of the Mutual Fund underlying the Capital Accumulation  Division and
therefore  the  annuitant  is subject  to the risk that the  amount of  variable
annuity payments may decline. (See "Income Benefits.")

     Generally,  at any time prior to the Annuity  Purchase  Date,  the Owner of
Benefits  may  transfer  all or  any  portion  of an  Investment  Account  which
correlates  to a  Plan  Participant  to  another  available  Investment  Account
correlating to such Plan Participant. If a Companion Contract has been issued to
the  Contractholder to fund the Plan, and if permitted by the Plan and Companion
Contract,  amounts  transferred from such Companion  Contract may be invested in
this  Contract  to  establish  Investment  Accounts  which  correlate  to a Plan
Participant at any time at least one month before the Annuity Commencement Date.
Similarly, if the Company has issued a Companion Contract to the Contractholder,
and if permitted by the Plan and the Companion Contract,  the Owner of Benefits,
subject to certain  limitations,  may file a  Notification  with the  Company to
transfer all or a portion of the Investment  Account values which correlate to a
Plan Participant to the Companion  Contract.  (See "Withdrawals and Transfers").
In  addition,  subject to any Plan  limitations  or any  reduction  for  vesting
provided  for in the Plan as to amounts  available,  the Owner of  Benefits  may
withdraw  cash  from  the  Investment   Accounts  that  correlate  to  the  Plan
Participant  at  any  time  prior  to  the  Plan  Participant's  Termination  of
Employment,  disability,  retirement or the Annuity Purchase Date subject to any
charges  that  may be  applied.  See  "Withdrawals  and  Transfers."  Note  that
withdrawals  before age 59 1/2 may involve an income tax  penalty.  See "Federal
Tax Status." No withdrawals are permitted after the Annuity Purchase Date.

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 50392,
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.

     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 $44.1 billion in assets under  management  and
serves more than 8.8 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 contract 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 Variable Annuity Payments,  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.

     Currently,  Separate  Account B has a  Balanced  Division,  Bond  Division,
Capital Accumulation Division,  Emerging Growth Division,  Government Securities
Division, Growth Division, Money Market Division and a World Division.

     Each of the Divisions  invests only in shares of a Mutual Fund as indicated
in the table below.

              Division                           Mutual Fund
              --------                           -----------
      Balanced Division               Principal Balanced Fund, Inc.
      Bond Division                   Principal Bond Fund, Inc.
      Capital Accumulation Division   Principal Capital Accumulation Fund, Inc.
      Emerging Growth Division        Principal Emerging Growth Fund, Inc.
      Government Securities Division  Principal Government Securities Fund, Inc.
      Growth Division                 Principal Growth Fund, Inc.
      Money Market Division           Principal Money Market Fund, Inc.
      World Division                  Principal World Fund, Inc.

      The  Mutual  Funds  are  diversified,   open-end   management   investment
companies.  The  investment  Manager for the Mutual Funds is Princor  Management
Corporation.  Some of the  Mutual  Funds  are also  used to fund  variable  life
insurance  contracts.  See "Eligible  Purchasers  and Purchase of Shares" in the
Funds' prospectus for a discussion of the potential risks associated with "mixed
funding."

      The investment objective of Principal Balanced Fund is to generate a total
return  consisting of current  income and capital  appreciation  while  assuming
reasonable  risks in  furtherance  of the  investment  objective.  In seeking to
achieve the  investment  objective,  the Fund  invests  primarily  in growth and
income-oriented  common stocks  (including  securities  convertible  into common
stocks), corporate bonds and debentures and short-term money market instruments.
The  portions of the Fund's  total assets  invested in equity  securities,  debt
securities  and  short-term  money market  instruments  are not fixed,  although
ordinarily  40% to 70% of the  Fund's  portfolio  will  be  invested  in  equity
securities with the balance of the portfolio invested in debt securities.

      The  investment  objective of Principal  Bond Fund is to provide as high a
level of income as is  consistent  with  preservation  of  capital  and  prudent
investment  risk.  In seeking  to achieve  the  investment  objective,  the Fund
predominantly invests in marketable fixed-income securities. Investments will be
made  generally  on  a  long-term  basis,  but  the  Fund  may  make  short-term
investments  from time to time as deemed prudent by the Fund's  Manager.  Longer
maturities  typically  provide  better  yields  but will  subject  the Fund to a
greater  possibility  of  substantial  changes  in the  values of its  portfolio
securities as interest rates change.

     The  investment   objective  of  Principal  Capital  Accumulation  Fund  is
primarily  long-term capital  appreciation and secondarily  growth of investment
income.  The Fund invests primarily in common stocks, but it may invest in other
equity securities. In making selections for the Fund's investment portfolio, the
Manager uses an approach described broadly as that of fundamental  analysis.  In
pursuit  of the  Fund's  investment  objectives,  investments  will  be  made in
securities which as a group appear to offer long-term  prospects for capital and
income growth.  Securities  chosen for investment may include those of companies
which the Fund's  Manager  believes can  reasonably  be expected to share in the
growth of the nation's economy over the long term.

     The  objective  of  Principal  Emerging  Growth Fund is to achieve  capital
appreciation.  The strategy of this Fund is to invest primarily in common stocks
and securities (both debt and preferred stock) convertible into common stocks of
emerging and other growth-oriented companies that, in the judgment of the Fund's
Manager,  are  responsive  to  changes  within  the  marketplace  and  have  the
fundamental  characteristics  to support  growth.  In pursuing its  objective of
capital  appreciation,  the Emerging  Growth Fund may invest,  for any period of
time, in any industry, in any kind of growth-oriented  company,  whether new and
unseasoned or well known and established.

     Principal Government  Securities Fund has an investment objective of a high
level of current  income,  liquidity and safety of principal.  The Fund seeks to
achieve this objective through the purchase of obligations  issued or guaranteed
by the United States  Government  or its agencies,  with up to 55% of the Fund's
assets invested in Government National Mortgage Association  Certificates ("GNMA
Certificates").  Fund shares,  however,  are not guaranteed by the United States
Government.  The value of the Fund's  investments  fluctuates as interest  rates
change.  The value  rises when  rates  decline  and falls  when rates  increase.
Expected  prepayments of mortgages included in a GNMA certificate can affect the
market value of the  certificate,  and actual  prepayments can affect the return
ultimately received.

     The objective of Principal Growth Fund is growth of capital. Realization of
current  income will be incidental  to the  objective of growth of capital.  The
Fund will invest  primarily in common stocks,  but it may invest in other equity
securities.  In pursuit of the Fund's investment objective,  investments will be
made in securities which as a group appear to possess potential for appreciation
in market  value.  Common  stocks  chosen for  investment  may include  those of
companies  which have a record of sales and  earnings  growth  that  exceeds the
growth rate of  corporate  profits of the S&P 500 or which offer new products or
new services.  The policy of investing in securities which have a high potential
for  growth of  capital  can mean that the  assets of the Fund may be subject to
greater risk than securities which do not have such potential.

     Principal  Money  Market  Fund has an  investment  objective  of  obtaining
maximum  current income  available from  short-term  securities  consistent with
preservation  of principal and  maintenance of liquidity by investing all of its
assets in a portfolio of money market  instruments.  This mutual fund invests in
United States dollar  denominated  instruments  having a maturity of 397 days or
less  that  the  Manager,  subject  to the  oversight  of the  Fund's  board  of
directors,  determines  present  minimal  credit  risks and which at the time of
acquisition  are "Eligible  Securities"  as that term is defined in  regulations
issued under the Investment  Company Act of 1940. See the Fund's  prospectus for
details.  The value of the  investments  held by this Mutual Fund may fluctuate,
although the net asset value per share is normally  expected to remain at $1.00.
However, its yield will vary with changes in short-term interest rates. Over the
last  two  decades  there  has been a  general  correlation  between  short-term
interest rates and the cost of living,  but there has been no exact  correlation
and for some  periods  such  rates  have  declined  while the cost of living has
risen.

     The  investment  objective  of  Principal  World Fund is to seek  long-term
growth of capital  through  investment  in a portfolio of equity  securities  of
companies  domiciled  in any of the nations of the world.  The Fund intends that
its  investments  normally will be allocated among various  countries.  Although
there is no limitation  on the  percentage of assets that may be invested in any
one country or  denominated  in any one currency,  the Fund intends under normal
market  conditions  to have at least 65% of its assets  invested  in  securities
issued by  corporations  of at least  three  countries,  one of which may be the
United States. Investments may be made anywhere in the world, but it is expected
that primary  consideration  will be given to investing in the securities issued
by  corporations of Western  Europe,  North America and Australasia  (Australia,
Japan and Far East Asia) that have developed  economies.  Changes in investments
may be  made  as  prospects  change  for  particular  countries,  industries  or
companies.

     Additional  information  concerning  these Mutual  Funds,  including  their
investment policies and restrictions,  investment  management fees and operating
expenses is given in the  prospectus  for the Funds. A Prospectus for the Mutual
Funds is attached to and follows this Prospectus. It should be read carefully in
conjunction with this Prospectus before investing.

     Each Division  purchases  shares of the Mutual Funds at net asset value. In
addition, all distributions made by a Mutual Fund with respect to shares held by
Divisions of Separate  Account B are reinvested at net asset value in additional
shares of the same Mutual Fund.  Contract  benefits are provided and charges are
made in effect by redeeming Mutual Fund shares at net asset value.  Values under
the  contract,  both  before  and after the  commencement  of  Variable  Annuity
Payments, will increase or decrease to reflect the investment performance of the
Mutual Funds and Owners of Benefits assume the risks of such change in values.

     The Company is taxed as a life 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.

DEDUCTIONS UNDER THE CONTRACT

     A Contract Administration  Expense/Recordkeeping Charge and a mortality and
expense  risks  charge  are  deducted  under  the  contract.  Also,  in  certain
circumstances,  a Contingent  Deferred Sales Charge may be deducted from certain
cash  withdrawals  and transfers to Alternate  Funding Agents from an Investment
Account before the Annuity Purchase Date.

     There are also  deductions  from and expenses paid out of the assets of the
Mutual Funds. These expenses are described in the Funds' prospectus.

A.   Contingent Deferred Sales Charge

     There is no initial  sales charge.  However,  any cash  withdrawal  from an
     Investment  Account  which  correlates  to a Plan  Participant  before  the
     Annuity Purchase Date, may be subject to a Contingent Deferred Sales Charge
     equal to a percentage of the amount being withdrawn. The percentage will be
     determined according to the following table:

             Number of Years From The
              Date First Contribution
            Which Correlates to a Plan
              Participant is Accepted            Contingent Deferred Sales
                   by the Company                    Charge Percentage

                 Less than 1                                5.00%
                 1 but less than 2                          4.25
                 2 but less than 3                          3.50
                 3 but less than 4                          2.75
                 4 but less than 5                          2.00
                 5 but less than 6                          1.25
                 6 but less than 7                          0.50
                        7 or more                           None

     The charge will be made by redeeming a sufficient  number of units from the
     Investment  Account or  Accounts  from which the  withdrawal  is made by an
     amount  equal to the charge  (see "Cash  Withdrawals").  If the  Investment
     Account or Accounts from which the withdrawal is made are  insufficient  to
     permit the full  amount of the charge to be made,  a  sufficient  number of
     units  from  other   Investment   Accounts  which  correlate  to  the  Plan
     Participant  will be redeemed on a pro rata basis in an amount equal to the
     charge.  If the amounts in the Investment  Accounts which  correlate to the
     Plan  Participant are  insufficient to permit the full amount of the charge
     to be made, the amount of the withdrawal will be reduced by an amount equal
     to the charge.

     The Contingent  Deferred Sales Charge does not apply to withdrawals made as
     a result of the Plan Participant's death or Total and Permanent Disability.
     The charge also does not apply to amounts  paid  pursuant  to the  Flexible
     Income  Option  that do not exceed the  greater of (i) the  minimum  annual
     amount determined in accordance with the minimum  distribution rules of the
     Internal Revenue Code, or (ii) 10% of the aggregate value of the Investment
     Accounts which  correlate to a Plan  Participant  determined as of the last
     Valuation  Date in the  preceding  Deposit  Year.  The charge also does not
     apply to transfers between Investment  Accounts or transfers to a Companion
     Contract or to amounts applied to provide  Variable Annuity  Payments.  The
     charge may apply to amounts  transferred to an Alternate Funding Agent. The
     charge does not apply to amounts  redeemed to assure the plan complies with
     Sections 401(k) and 401(m) of the Internal Revenue Code.

     The amount of any Contingent  Deferred Sales Charge will never exceed 9% of
     Contributions  which correlate to a Plan Participant.  For this purpose,  a
     transfer from a Companion  Contract will be  considered a  Contribution  to
     this contract.

     The Contingent Deferred Sales Charge,  when applicable,  will be applied by
     the  Company to defray  sales and  distribution  expenses  incurred  by the
     Company.  The Company may decrease or  eliminate  the  Contingent  Deferred
     Sales Charge if it estimates  that its sales  expenses  will be lower.  The
     Company  will  waive the  Contingent  Deferred  Sales  Charge on  Contracts
     (except Contracts sold in the state of New York) acquired directly from the
     Company upon a  recommendation  of an  independent  pension  consultant who
     charges a fee for its  pension  consulting  services  and who  receives  no
     remuneration from the Company in association with the sale of the contract.
     If revenues from the Contingent Deferred Sales Charge are not sufficient to
     cover sales expenses,  the short fall could be viewed as being provided for
     out  of  other  revenues  or  the  Company's  surplus,  including  revenues
     attributable to the mortality and expense risks charge.

B.   Contract Administration Expense/Recordkeeping Charge

     An annual Contract Administration  Expense/Recordkeeping  Charge of $31 per
     Plan  Participant  plus .35% of the Annual Average Balance will be assessed
     on a quarterly  basis during each Deposit Year.  The Average Annual Balance
     used to compute the charge is the aggregate  value of  Investment  Accounts
     which correlate to a Plan Participant, and other Plan assets that correlate
     to a  Plan  Participant  that  are  not  allocated  to the  contract  or an
     Associated  or  Companion  Contract  but for  which  the  Company  provides
     recordkeeping  services ("Outside Assets"), at the beginning of the Deposit
     Year  adjusted  by the time  weighted  average  of  Contributions  to,  and
     withdrawals  from,  such  accounts  and Outside  Assets (if any) during the
     period.  The $31 per Plan  Participant  charge is  increased  to $34 if the
     Company  distributes benefit plan reports directly to the homes of the Plan
     Participants.

     The Contract Administration  Expense/Recordkeeping  Charge will be assessed
     on the earlier of (i) the date the Investment  Accounts are paid in full (a
     total  redemption)  or (ii) each Quarterly  Date.  One-fourth of the annual
     charge is normally assessed on each Quarterly Date.

     If the  accounts are paid in full (a total  redemption)  at any time during
     the Deposit Year, that portion of the $31 ($34) per Plan Participant charge
     for the Deposit Year in which such total redemption  occurs not yet paid to
     the Company will be assessed in full.  However,  the remaining  part of the
     Contract Administration Expense/Recordkeeping Charge consisting of the .35%
     of the Average  Annual Balance will be assessed on a pro rata basis for any
     fractional part of the Deposit Year.

     The $31 ($34)  charge  will be  reduced  by 10% if Plan  Participant  data,
     investment elections, and ongoing Contributions are reported to the Company
     in the Company's  standard format by modem,  diskette or magnetic tapes. In
     addition,  if benefit  plan  reports  are mailed on other than a  quarterly
     basis the $31 ($34) per Plan  Participant  charge is adjusted  according to
     the following schedule:

             Reporting Frequency               Adjustment to $31 ($34) Charge
             -------------------               ------------------------------
                   Annual                                9% decrease
                 Semi-Annual                             6% decrease
                   Monthly                              24% increase

     The $31 ($34) per Plan  Participant  charge is also adjusted if the Company
     performs more (or less) than two 401(k) and 401(m) non-discrimination tests
     in a Deposit  Year.  Such a charge is increased  by 3% for each  additional
     test and is reduced by 3% for each test not performed by the Company.

     The  .35%  portion  of the  Contract  Administration  Expense/Recordkeeping
     charge  will be reduced  by 10% if the  Company  has  issued an  Associated
     Contract to the Contractowner.

     If the Owner of Benefits chooses the Flexible Income Option,  an additional
charge of $25 will be assessed annually.

     The  Company  does not  expect to  recover  from the  charge to the  extent
     deducted  from  the  Investment   Account  Values,  any  amount  above  its
     accumulated  expenses  associated with the administration of the contracts.
     However,  since a portion of the charge is based on a percent of Investment
     Account Values,  amounts derived from larger Investment  Accounts may to an
     extent cover expenses associated with smaller Investment Accounts depending
     upon the relative degree of Investment Account activity.

     As part of the Company's  policy of ensuring client  satisfaction  with the
     services it provides,  the Company may agree to waive the assessment of all
     or a portion of the Contract Administration Expense/Recordkeeping Charge in
     response to any reasonably-based complaint the Company is unable to rectify
     from the  Contractholder  as to the quality of the services covered by such
     charge.

     A  Contractholder  may  agree  to pay  all  or a  portion  of the  Contract
     Administration  Expense/Recordkeeping  Charge  separately  or have the fees
     deducted from Investment Accounts which correlate to a Plan Participant. If
     the  Contractholder  elects  to deduct  these  charges,  the  amount of the
     quarterly charge so deducted will not exceed 1% of the aggregate Investment
     Account  Values  which  correlate to the Plan  Participant  at the time the
     charge is made.

     If deducted from  Investment  Accounts,  the charge will be allocated among
     Investment  Accounts which correlate to the Plan  Participant in proportion
     to the relative  values of such Accounts and will be effected by cancelling
     a number of units in each such  Investment  Account equal to such Account's
     proportionate share of the deduction.

     If    the     Contractholder     pays    the    Contract     Administration
     Expense/Recordkeeping  Charge separately, the 1% limitation described above
     will not apply. If the  Contractholder  does not pay these  expenses,  they
     will be deducted from Investment Accounts.

     If the Company provides  recordkeeping services for any Outside Assets, the
     Contractholder  can  elect to deduct  from  Investment  Accounts  only that
     portion  of  the  Contract  Administration   Expense/Recordkeeping  Charges
     attributable  to investments  in the contract  which  correlate to inactive
     Plan Participants  (Plan  Participants who have died, retired or terminated
     employment or who are totally and Permanently Disabled and alternate payees
     under  a  Qualified  Domestic  Relations  Order);  Contract  Administration
     Expense/Recordkeeping  Charges  for active Plan  Participants  must be paid
     separately by the Contractholder.

C.   Mortality and Expense Risks Charge

     Variable  Annuity  Payments  will  not be  affected  by  adverse  mortality
     experience or by any excess in the actual sales and administrative expenses
     over the charges  provided  for in the  Contract.  The Company  assumes the
     risks that (i) Variable  Annuity Payments will continue for a longer period
     than anticipated and (ii) the allowance for administration  expenses in the
     annuity  conversion rates will be insufficient to cover the actual costs of
     administration  relating to Variable Annuity  Payments.  For assuming these
     risks,  the  Company,  in  determining  Unit  Values and  Variable  Annuity
     Payments, makes a charge as of the end of each Valuation Period against the
     assets of Separate Account B held with respect to the Contract.  The charge
     is equivalent to a simple annual rate of .55%. The Company does not believe
     that it is  possible  to  specifically  identify  that  portion of the .55%
     deduction  applicable to the separate risks involved,  but estimates that a
     reasonable approximate allocation would be .38% for the mortality risks and
     .17% for the expense  risks.  The mortality and expense risks charge may be
     changed by the  Company at any time by giving not less than  60-days  prior
     written notice to the  Contractholder.  However,  the charge may not exceed
     1.25% on an annual  basis,  and only one change may be made in any one year
     period.  Any change in the  mortality  and  expense  risks  charge will not
     affect  variable  annuities  in the  course of  payment.  If the  charge is
     insufficient  to cover the actual costs of the  mortality and expense risks
     assumed,  the financial loss will fall on the Company;  conversely,  if the
     charge  proves  more  than  sufficient,  the  excess  will be a gain to the
     Company.

OTHER EXPENSES

     The Contractholder is obligated to pay additional  expenses associated with
the  acquisition and servicing of the contract in accordance with the terms of a
Service and Expense Agreement between the Contractholder and the Company.  In no
event are these expenses  deductible from Investment Accounts which correlate to
Plan Participants.  The expenses which the Contractholder must pay if applicable
include an application fee, a transfer fee,  documentation  expense,  a location
fee,  Outside  Asset  Recordkeeping  Charge and  charges  for  special  services
requested by the  Contractholder.  As part of the  Company's  policy of ensuring
client  satisfaction  with the  services it  provides,  the Company may agree to
waive the  assessment  of all of these  expenses  or charges in  response to any
reasonably-based  complaint  from the  Contractholder  as to the  quality of the
services  covered  by such  expenses  or charges  that the  Company is unable to
rectify.

A.   Application Fee and Transfer Fee

     A $825  application  fee is  charged  to the  Contractholder  in the  first
     Contract  Year.  If a Companion  Contract has been issued by the Company to
     the  Contractholder  to fund the Plan, the application fee will be assessed
     to  the  Companion  Contract.   The  total  application  fee  paid  by  the
     Contractholder  to obtain  both  contracts  will not  exceed  $825.  If the
     Company has issued an Associated  Contract to the Contractholder to fund an
     employee benefit plan administered by the Company,  the application fee for
     the contract described in this prospectus will be waived by the Company.

     A transfer fee of $500 plus $3 per Plan Participant  (maximum of $1,000) is
     charged  to the  Contractholder  if Plan  records  are  transferred  to the
     Company  from another  recordkeeper.  The transfer fee is reduced by 20% if
     Plan data is reported to the Company in the  Company's  standard  format on
     magnetic  tapes,  modem or  computer  diskettes.  The  transfer  fee may be
     increased if Plan records are not current when transferred.

B.   Documentation Expense

     The  Company  can  provide  a  sample  Plan   document   and  summary  plan
     descriptions to the Contractholder.  The Contractholder will be billed $125
     if  the   Contractholder   uses  a  Principal   Mutual  Prototype  Plus  or
     Standardized  Plan. If the Company provides a sample  custom-written  Plan,
     the  Contractholder  will be billed  $700 for the  initial  Plan or for any
     restatement thereof, $300 for any amendments thereto, and $500 for standard
     summary plan  description  booklets.  If the  Contractholder  adopts a Plan
     other than one  provided  by the  Company,  a $900  charge will be made for
     summary plan description booklets requested by the Contractholder, if any.

C.   Location Fee

     Contractholders  may request  the Company to provide  services to groups of
     employees  at multiple  locations.  If the Company  agrees to provide  such
     services, the Contractholder will be billed $150 on a quarterly basis ($600
     annually)  for each  additional  employee  group or location.  In addition,
     separate  contract  administration/recordkeeping  charges and documentation
     fees may apply  for each  employee  group or  location  requiring  separate
     government reports and/or sample plan documents.

D.   Outside Asset Recordkeeping Charge

     If the  Company  provides  recordkeeping  services  for Plan  assets  which
     correlate to a Plan Participant other than assets under this contract or an
     Associated or Companion Contract ("Outside Assets"),  the Company will bill
     the Contractholder an Outside Asset Recordkeeping Charge. The annual charge
     is calculated based upon the following table.
<TABLE>
<CAPTION>

              Number of                        Annual Expense                          Annual Expense
            Members with                    Ongoing Contributions                 No Ongoing Contributions
          Outside Accounts                   to Outside Account                    to any Outside Account
<S>         <C>                        <C>                                    <C>
                1-19                   $21.00 per member + $285               $10.50 per member  + $142.50
                20-49                  $18.60 per member + $318                 $9.30 per member + $159.00
                50-99                  $16.80 per member + $408                 $8.40 per member + $204.00
               100-299                 $15.00 per member + $588                 $7.50 per member + $294.00
               300-499                 $12.60 per member + $1,308               $6.30 per member + $654.00
               500-999                 $10.20 per member + $2,508               $5.10 per member + $1,254.00
              1000-2499                 $7.80 per member + $4,908               $3.90 per member + $2,454.00
              2500-4999                 $6.60 per member + $7,908               $3.30 per member + $3,954.00
            5000 and over               $5.40 per member + $13,908              $2.70 per member + $6,954.00
</TABLE>

     The charge  calculated in accordance with the above table will be increased
     by 15% for the  second  and each  additional  Outside  Asset  for which the
     Company provides recordkeeping  services.  One-fourth of the annual Outside
     Asset Recordkeeping Charge will be billed on a quarterly basis. This charge
     does  not  apply  if  the  Outside  Assets  which  correlate  to  the  Plan
     Participant consist solely of shares of mutual funds for which a subsidiary
     of the Company serves as investment adviser.

E.   Special Services

     If requested by the  Contractholder,  the Company may provide  services not
     provided as part of the contract administration/recordkeeping services. The
     Company will charge the Contractholder the cost of providing such services.

SURPLUS DISTRIBUTION AT SOLE DISCRETION OF THE COMPANY

     It is not anticipated that any divisible surplus will ever be distributable
to the contract in the future  because the contract is 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  Investment
Accounts in the form of additional units.

THE CONTRACT

     The contract  will  normally be issued to an Employer or  association  or a
trust established for the benefit of Plan Participants and their  beneficiaries.
The Company  will issue a  pre-retirement  certificate  describing  the benefits
under the contract to Plan  Participants who reside in a state that requires the
issuance of such  certificates.  The initial  Contribution which correlates to a
Plan Participant will be invested as of the end of the Valuation Period in which
such  Contribution  is received by the Company in the Division or Divisions that
are chosen.  If the  allocation  instructions  are late, or not  completed,  the
Company will invest such unallocated  Contributions in the Money Market Division
on the date such  Contributions  are  received.  Subsequently,  the Company will
transfer  all  or a  portion  of  such  Contributions  as of the  date  complete
allocation  instructions  are  received  by the Company in  accordance  with the
allocation specified therein.  After complete allocation  instructions have been
received by the Company,  all current and future Contributions will be allocated
to the  chosen  Divisions  as of the end of the  Valuation  Period in which such
Contributions are received. The Contractholder may limit the number of Divisions
available to the Owner of Benefits,  but the Money Market Division may not be so
restricted  to the extent the  Division  is  necessary  to permit the Company to
allocate initial  Contributions and the Capital Accumulation Division may not be
so  restricted  to the extent the Division is necessary to permit the Company to
pay Variable Annuity Payments.

A.   Contract Values and Accounting Before Annuity Commencement Date

    1.   Investment Accounts

         An Investment  Account or Accounts  correlating  to a Plan  Participant
         will be established for each type of Contribution and for each Division
         of Separate Account B in which such Contribution is invested.

         Investment  Accounts will be maintained  until the  Investment  Account
         Values are either (a) applied to effect Variable  Annuity  Payments (b)
         paid to the Owner of Benefits or the  beneficiary or (c) transferred in
         accordance with the provisions of the contract.

         Each  Contribution  will be  allocated  to the  Division  or  Divisions
         designated by the Notification on file with the Company and will result
         in a credit of units to the appropriate  Investment Account. The number
         of units so credited  will be determined by dividing the portion of the
         Contributions  allocated  to a  Division  by the  Unit  Value  for such
         Division for the  Valuation  Period within which the  Contribution  was
         received by the Company at its home office in Des Moines, Iowa.

    2.   Unit Value

         The Unit  Value for a contract  which  participates  in a  Division  of
         Separate  Account  B  determines  the  value of an  Investment  Account
         consisting of Contributions  allocated to that Division. The Unit Value
         for each  Division for the contract is  determined on each day on which
         the net asset value of its underlying  Mutual Fund is  determined.  The
         Unit Value for a Valuation  Period is  determined as of the end of that
         period.  The investment  performance of the underlying  Mutual Fund and
         deducted expenses affect the Unit Value.

         For this series of contracts,  the Unit Value for each Division will be
         fixed at $1.00 for the  Valuation  Period in which the first  amount of
         money is  credited to the  Division.  A  Division's  Unit Value for any
         later  Valuation  Period is equal to its Unit Value for the immediately
         preceding Valuation Period multiplied by the Net Investment Factor (see
         below) for that  Division  for this series of  contracts  for the later
         Valuation Period.

    3.   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 this series of contracts is equal to

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

                                                       reduced by

         (b)  a mortality and expense risks charge,  equal to a simple  interest
              rate for the  number of days  within  the  Valuation  Period at an
              annual rate of .55%.

         The amounts  derived from applying the rate  specified in  subparagraph
         (b) above and the amount of any taxes referred to in  subparagraph  (a)
         above  will be  accrued  daily and will be  transferred  from  Separate
         Account B at the discretion of the Company.

      4. Hypothetical  Example of  Calculation  of Unit Value for All  Divisions
         Except the Money Market Division

         The  computation  of the Unit Value may be illustrated by the following
         hypothetical  example.  Assume  that the  current  net asset value of a
         Mutual Fund share is  $14.8000;  that there were no  dividends or other
         distributions made by the Mutual Fund and no adjustment for taxes since
         the last determination; that the net asset value of a Mutual Fund share
         last determined was $14.7800;  that the last Unit Value was $1.0185363;
         and that the Valuation Period was one day. To determine the current Net
         Investment Factor, divide $14.8000 by $14.7800 which produces 1.0013532
         and deduct from this amount the  mortality  and expense risks charge of
         0.0000151, which is the rate for one day that is equivalent to a simple
         annual  rate of  0.55%.  The  result,  1.0013381,  is the  current  Net
         Investment  Factor. The last Unit Value ($1.0185363) is then multiplied
         by the current  Net  Investment  Factor  (1.0013381)  which  produces a
         current Unit Value of $1.0198992.

      5. Hypothetical  Example of Calculation of Unit Value for the Money Market
         Division

         The  computation  of the Unit Value may be illustrated by the following
         hypothetical  example.  Assume  that the  current  net asset value of a
         Mutual  Fund share is $1.0000;  that a dividend  of .0328767  cents per
         share was declared by the Mutual Fund prior to  calculation  of the net
         asset  value of the Mutual  Fund share and that no other  distributions
         and no  adjustment  for taxes were made  since the last  determination;
         that the net asset  value of a Mutual  Fund share last  determined  was
         $1.0000;  that  the  last  Unit  Value  was  $1.0162734;  and  that the
         Valuation Period was one day.

         To determine  the current Net  Investment  Factor,  add the current net
         asset value ($1.0000) to the amount of the dividend  ($.000328767)  and
         divide by the last net asset  value  ($1.0000),  which when  rounded to
         seven places  equals  1.0003288.  Deduct from this amount the mortality
         and expense  risks charge of .0000151 (the  proportionate  rate for one
         day based on a simple annual rate of 0.55%).  The result (1.0003137) is
         the current Net Investment  Factor. The last Unit Value ($1.0162734) is
         then  multiplied  by the current  Net  Investment  Factor  (1.0003137),
         resulting in a current Unit Value of $1.0165922.

B.   Income Benefits

     Income  Benefits  consist of either monthly  Variable  Annuity  Payments or
     periodic payments made on a monthly, quarterly, semi-annual or annual basis
     pursuant to the Flexible Income Option.

     1.  Variable Annuity Payments

         The amount  applied to provide  Variable  Annuity  Payments  must be at
         least  $1,750.  Variable  Annuity  Payments  will  be  provided  by the
         Investment  Accounts which correlate to the Plan Participant held under
         the  Capital  Accumulation  Division.  Thus,  if the Owner of  Benefits
         elects Variable  Annuity  Payments,  any amounts that are to be used to
         provide  Variable  Annuity  Payments will be  transferred to Investment
         Accounts  held under the Capital  Accumulation  Division as of the last
         Valuation  Date in the month which begins two months before the Annuity
         Commencement  Date.  After any such transfer,  the value of the Capital
         Accumulation  Division  Investment  Accounts  will  be  applied  on the
         Annuity Purchase Date to provide Variable Annuity Payments. The Annuity
         Commencement  Date,  which  will be one  month  following  the  Annuity
         Purchase Date,  will be the first day of a month.  Thus, if the Annuity
         Commencement  Date is August 1, the Annuity  Purchase Date will be July
         1, and the date of any  transfers  to a Capital  Accumulation  Division
         Investment  Account will be the Valuation  Date  immediately  preceding
         July 1.

         The Annuity Commencement Date must be no later than April 1 of the
         calendar year following the calendar year in which the Plan Participant
         attains age 70 1/2. See "Federal Tax Status."

             a.   Selecting a Variable Annuity

                  Variable Annuity Payments will be made to an Owner of Benefits
                  beginning  on the  Annuity  Commencement  Date and  continuing
                  thereafter  on the  first  day of  each  month.  An  Owner  of
                  Benefits   may   select  an  Annuity   Commencement   Date  by
                  Notification  to the  Company.  The date  selected  may be the
                  first day of any month the Plan  allows  which is at least one
                  month   after  the   Notification.   Generally,   the  Annuity
                  Commencement  Date cannot begin before the Plan Participant is
                  age 59 1/2,  separated from service,  or is totally  disabled.
                  See  "Federal  Tax  Status"  for  a  discussion   of  required
                  distributions  and the  federal  income  tax  consequences  of
                  distributions.

                  At any time not less  than one  month  preceding  the  desired
                  Annuity  Commencement  Date,  an Owner  of  Benefits  may,  by
                  Notification,  select  one of the  annuity  options  described
                  below  (see  "Forms of  Variable  Annuities").  If no  annuity
                  option has been selected at least one month before the Annuity
                  Commencement  Date,  and if the  Plan  does not  provide  one,
                  payments which correlate to an unmarried Plan Participant will
                  be made  under the  annuity  option  providing  Variable  Life
                  Annuity with Monthly Payments Certain for Ten Years.  Payments
                  which  correlate  to a married Plan  Participant  will be made
                  under the annuity  option  providing a Variable  Life  Annuity
                  with One-Half Survivorship.

             b.   Forms of Variable Annuities

                  Because  of certain  restrictions  contained  in the  Internal
                  Revenue Code and regulations thereunder,  an annuity option is
                  not available  under a Contract used to fund a TDA Plan,  PEDC
                  Plan or 401(a) Plan unless (i) the contingent annuitant is the
                  Plan  Participant's  spouse or (ii) on the Plan  Participant's
                  Annuity  Commencement Date, the present value of the amount to
                  be paid while the Plan  Participant  is living is greater than
                  50% of the  present  value of the  total  benefit  to the Plan
                  Participant  and  the  Plan   Participant's   beneficiary  (or
                  contingent annuitant, if applicable).

                  An Owner of  Benefits  may elect to have all or a  portion  of
                  Investment  Account  Values applied under one of the following
                  annuity  options.  However,  if the monthly  Variable  Annuity
                  Payment at any time would be less than $20,  the Company  may,
                  at its sole option,  pay the Variable Annuity Reserves in full
                  settlement of all benefits otherwise available.

                  Variable Life Annuity with Monthly  Payments Certain for Zero,
                  Five,  Ten,  Fifteen  or Twenty  Years or  Installment  Refund
                  Period -- a variable  annuity which provides  monthly payments
                  during the Plan Participant's  lifetime,  and further provides
                  that  if,  at the  death  of  the  Plan  Participant,  monthly
                  payments have been made for less than a minimum  period,  e.g.
                  five years,  any  remaining  payments  for the balance of such
                  period shall be paid to the Owner of Benefits, if the Owner of
                  Benefits  is not  the  Plan  Participant,  or to a  designated
                  beneficiary  unless the Owner of Benefits  or the  beneficiary
                  requests in writing that the Commuted  Value of the  remaining
                  payments  be paid in a single sum.  (Persons  entitled to take
                  the remaining  payments or the Commuted  Value thereof  rather
                  than continuing monthly payments should consult with their tax
                  advisor to be made aware of the differences in tax treatment.)

                  The minimum period may be either zero,  five, ten,  fifteen or
                  twenty  years  or  the  period  (called   "installment  refund
                  period")  consisting  of the  number of months  determined  by
                  dividing  the amount  applied  under the option by the initial
                  payment.  If, for  example,  $14,400  is applied  under a life
                  option with an  installment  refund  period,  and if the first
                  monthly  payment  provided by that amount,  as determined from
                  the applicable  annuity  conversion rates,  would be $100, the
                  minimum  period would be 144 months  ($14,400  divided by $100
                  per  month) or 12  years.  A  variable  life  annuity  with an
                  installment  refund  period  guarantees  a  minimum  number of
                  payments,  but not the  amount of any  monthly  payment or the
                  amount of aggregate monthly  payments.  The longer the minimum
                  period  selected,  the smaller will be the amount of the first
                  annuity payment.

                  Under the Variable Life Annuity with Zero Years Certain, which
                  provides  monthly payments to the Owner of Benefits during the
                  Plan  Participant's  lifetime,  it would be  possible  for the
                  Owner of Benefits  to receive no Annuity  Payments if the Plan
                  Participant  died  prior to the due date of the first  payment
                  since  payment is made only  during the  lifetime  of the Plan
                  Participant.

                  Joint and Survivor Variable Life Annuity with Monthly Payments
                  Certain  for Ten Years -- a variable  annuity  which  provides
                  monthly  payments  for a  minimum  period  of  ten  years  and
                  thereafter  during the joint lifetimes of the Plan Participant
                  on  whose  life  the  annuity  is  based  and  the  contingent
                  annuitant  named at the  time  this  option  is  elected,  and
                  continuing  after the  death of either of them for the  amount
                  that would have been payable while both were living during the
                  remaining  lifetime  of the  survivor.  In the  event the Plan
                  Participant and the contingent annuitant do not survive beyond
                  the minimum ten year period,  any  remaining  payments for the
                  balance of such period will be paid to the Owner of  Benefits,
                  if the owner of Benefits is not the Plan Participant,  or to a
                  designated  beneficiary  unless the Owner of  Benefits  or the
                  beneficiary requests in writing that the Commuted Value of the
                  remaining  payments be paid in a single sum. (Persons entitled
                  to take the remaining  payments or the Commuted  Value thereof
                  rather than  continuing  monthly  payments should consult with
                  their tax advisor to be made aware of the  differences  in tax
                  treatment.)

                  Joint and  Two-Thirds  Survivor  Variable  Life  Annuity  -- a
                  variable  annuity which provides  monthly  payments during the
                  joint lives of a Plan Participant and the person designated as
                  contingent  annuitant with two-thirds of the amount that would
                  have been payable while both were living  continuing until the
                  death of the survivor.

                  Variable Life Annuity with One-Half Survivorship -- a variable
                  annuity which provides monthly payments during the life of the
                  Plan Participant with one-half of the amount otherwise payable
                  continuing so long as the contingent annuitant lives.

                  Under the Joint and Two-thirds  Survivor Variable Life Annuity
                  and  under   the   Variable   Life   Annuity   with   One-Half
                  Survivorship,  it would be possible  for the Owner of Benefits
                  and/or contingent  annuitant to receive no annuity payments if
                  the Plan Participant and contingent  annuitant both died prior
                  to the due date of the first  payment  since  payment  is made
                  only during their lifetimes.

                  Other  Options -- Other  variable  annuity  options  permitted
                  under the applicable Plan may be arranged by mutual  agreement
                  of the Owner of Benefits and the Company.

             c.   Basis of Annuity Conversion Rates

                  Because  women as a class live  longer  than men,  it has been
                  common that  retirement  annuities of equal cost for women and
                  men of the same age will provide women less periodic income at
                  retirement.  The Supreme  Court of the United  States ruled in
                  Arizona  Governing  Committee  vs.  Norris  that sex  distinct
                  annuity tables under an employer-sponsored benefit plan result
                  in  discrimination  that is  prohibited  by  Title  VII of the
                  Federal Civil Rights Act of 1964. The Court further ruled that
                  sex distinct annuity tables will be deemed discriminatory only
                  when used with values accumulated from employer  contributions
                  made after August 1, 1983, the date of the ruling.

                  Title VII applies only to employers with 15 or more employees.
                  However,  certain State Fair Employment Laws and Equal Payment
                  Laws may apply to employers with less than 15 employees.

                  The  contract  described  in this  Prospectus  offers both sex
                  distinct and sex neutral annuity conversion rates. The annuity
                  rates are used to convert a Plan Participant's  pre-retirement
                  Investment  Account  Values  to a monthly  lifetime  income at
                  retirement.  Usage  of  either  sex  distinct  or sex  neutral
                  annuity rates will be determined by the Contractholder.

                  For each form of  variable  annuity,  the  annuity  conversion
                  rates  determine how much the first monthly  Variable  Annuity
                  Payment  will be for each  $1,000  of the  Investment  Account
                  Value applied to effect the variable  annuity.  The conversion
                  rates vary with the form of  annuity,  date of birth,  and, if
                  distinct rates are used, the sex of the Plan  Participant  and
                  the contingent  annuitant,  if any. The sex neutral guaranteed
                  annuity  conversion  rates are based upon (i) an interest rate
                  of 2.5% per annum and (ii)  mortality  according  to the "1983
                  Table a for Individual Annuity Valuation" projected with Scale
                  G to the  year  2001  set  back  five  years  in age.  The sex
                  distinct female rates are determined for all Plan Participants
                  in the same way as sex neutral rates, as described  above. The
                  sex  distinct   male  rates  are   determined   for  all  Plan
                  Participants  in the same  way as the sex  neutral  rates,  as
                  described  above,  except mortality is not set back five years
                  in  age.  The  guaranteed  annuity  conversion  rates  may  be
                  changed,  but no change  which would be less  favorable to the
                  Owner  of  Benefits  will  take  effect  for  a  current  Plan
                  Participant.

                  The contract  provides  that an interest rate of not less than
                  2.5% per annum will represent the assumed  investment  return.
                  Currently the assumed  investment  return used in  determining
                  the amount of the first monthly payment is 4% per annum.  This
                  rate may be  increased  or  decreased  by the  Company  in the
                  future  but in no event  will it be less than 2.5% per  annum.
                  If,  under the  contract,  the  actual  investment  return (as
                  measured by an Annuity  Change  Factor,  defined below) should
                  always equal the assumed investment  return,  Variable Annuity
                  Payments would remain level. If the actual  investment  return
                  should always exceed the assumed investment  return,  Variable
                  Annuity  Payments  would  increase;  conversely,  if it should
                  always be less than the assumed  investment  return,  Variable
                  Annuity Payments would decrease.

                  The  current 4% assumed  investment  return is higher than the
                  2.5% interest rate reflected in the annuity  conversion  rates
                  contained  in the  contract.  With a 4%  assumption,  Variable
                  Annuity  Payments  will  commence  at  a  higher  level,  will
                  increase less rapidly when actual  investment  return  exceeds
                  4%, and will  decrease  more  rapidly  when actual  investment
                  return  is  less  than  4%,  than  would  occur  with a  lower
                  assumption.

             d.   Determining the Amount of the First Variable Annuity Payment

                  The initial amount of monthly annuity income shall be based on
                  the  option  selected,  the age of the  Plan  Participant  and
                  contingent  annuitant,  if  any,  and the  Investment  Account
                  Values  applied as of the Annuity  Purchase  Date. The initial
                  monthly  income payment will be determined on the basis of the
                  annuity  conversion  rates  applicable  on  such  date to such
                  conversions  under all  contracts  of this class issued by the
                  Company.  However,  the basis for the annuity conversion rates
                  will not  produce  payments  less  beneficial  to the Owner of
                  Benefits  than the  annuity  conversion  rate basis  described
                  above.

              e.  Determining  the Amount of the Second and Subsequent  Monthly
                  Variable Annuity Payments

                  The second and subsequent  monthly  Variable  Annuity Payments
                  will  increase  or  decrease  in  response  to the  investment
                  experience   of  the  Mutual  Fund   underlying   the  Capital
                  Accumulation  Division.  The  amount of each  payment  will be
                  determined by multiplying  the amount of the monthly  Variable
                  Annuity  Payment  due in the  immediately  preceding  calendar
                  month  by  the   Annuity   Change   Factor  for  the   Capital
                  Accumulation  Division for the Contract for the calendar month
                  in which the Variable Annuity Payment is due.

                  The  Annuity  Change  Factor  for  the  Capital   Accumulation
                  Division  for a calendar  month is the quotient of (1) divided
                  by (2), below:

             (1)  The number which results from dividing (i) the Contract's Unit
                  Value  for the  Capital  Accumulation  Division  for the first
                  Valuation  Date in the  calendar  month  beginning  one  month
                  before the given calendar  month by (ii) the  Contract's  Unit
                  Value for such  Division for the first  Valuation  Date in the
                  calendar month  beginning two months before the given calendar
                  month.

             (2)  An amount equal to one plus the  effective  interest  rate for
                  the number of days between the two Valuation  Dates  specified
                  in  subparagraph  (1) above at the  interest  rate  assumed to
                  determine  the  initial  payment of  variable  benefits to the
                  Owner of Benefits.

             f.   Hypothetical Example of Calculation of Variable Annuity
                  Payments

                  Assume  that  on  the  date  one  month   before  the  Annuity
                  Commencement  Date  the  Investment   Account  Value  that  is
                  invested in the Capital Accumulation Division which correlates
                  to a  Plan  Participant  is  $37,592.  Using  the  appropriate
                  annuity  conversion factor (assuming $5.88 per $1,000 applied)
                  the Investment Account Value provides a first monthly Variable
                  Annuity  Payment of $221.04.  To  determine  the amount of the
                  second monthly  payment  assume that the Capital  Accumulation
                  Division  Unit  Value as of the  first  Valuation  Date in the
                  preceding  calendar month was $1.3712044 and the Unit Value as
                  of the first Valuation Date in the second  preceding  calendar
                  month was $1.3273110.  The Annuity Change Factor is determined
                  by dividing $1.3712044 by $1.3273110,  which equals 1.0330694,
                  and  dividing  the  result by an amount  corresponding  to the
                  amount of one increased by an assumed  investment return of 4%
                  (which for a thirty day period is 1.0032288). 1.030694 divided
                  by 1.0032288 results in an Annuity Change Factor for the month
                  of  1.0297446.  Applying this factor to the amount of Variable
                  Annuity  Payment for the previous  month  results in a current
                  monthly  payment of $227.61  ($221.04  multiplied by 1.0297446
                  equals $227.61).

     2.  Flexible Income Option

         Instead of Variable Annuity Payments an Owner of Benefits may choose to
         receive  income  benefits  under the  Flexible  Income  Option.  Unlike
         Variable  Annuity  Payments,  payments under the Flexible Income Option
         may be made  from any  Division  of the  Separate  Account.  Under  the
         Flexible Income Option, the Company will pay to the Owner of Benefits a
         portion of the Aggregate  Investment Accounts on a monthly,  quarterly,
         semi-annual  or annual basis on the date or dates  requested  each Year
         and continuing  for a period not to exceed the life or life  expectancy
         of the Plan Participant,  or the joint lives or life expectancy of such
         Plan  Participant  and  the  contingent  annuitant,  if the  contingent
         annuitant is the Plan  Participant's  spouse.  If the Notification does
         not specify  from which  Investment  Accounts  payments are to be made,
         amounts  will be  withdrawn  on a pro rata  basis  from all  Investment
         Accounts which  correlate to the Plan  Participant.  Payments will end,
         however,  on the date no amounts  remain in such  Accounts  or the date
         such Accounts are paid or applied in full as described below.  Payments
         will be subject to the following:

         a.   The  life  expectancy  of  the  Plan   Participant  and  the  Plan
              Participant's  spouse,  if  applicable,   will  be  determined  in
              accordance with the life expectancy  tables  contained in Internal
              Revenue  Regulation  Section  1.72-9.   Life  expectancy  will  be
              determined as of the date on which the first payment is made. Life
              expectancy will be redetermined annually thereafter.

         b.   Payments  may begin any time after the Flexible  Income  Option is
              requested.  Payments  must  begin no later  than the  latest  date
              permitted or required by the Plan or regulation to be the Owner of
              Benefit's Annuity Commencement Date.

         c.   Payments  will  be  made  annually,  semiannually,  quarterly,  or
              monthly as requested by the Owner of Benefits and agreed to by the
              Company.  The  annual  amount  payable  will be the  lesser of the
              Aggregate  Investment  Account Value which  correlates to the Plan
              Participant or the minimum annual amount  determined in accordance
              with the minimum distribution rules of the Internal Revenue Code.

         d.   If the Plan Participant should die before the Aggregate Investment
              Account  Value has been paid or  applied  in full,  the  remaining
              Investment  Account Values will be treated as benefits  payable at
              death as described in this Prospectus.

         e.   Year for  purposes  of  determining  payments  under the  Flexible
              Income  Option  means the  twelve  month  period  starting  on the
              installment  payment starting date and each  corresponding  twelve
              month period thereafter.

         An Owner of  Benefits  may  request a payment in excess of the  minimum
         described above. Such payment may be equal to all or any portion of the
         Investment Accounts which correlate to the Plan Participant;  provided,
         however,  that if the requested payment would reduce the total value of
         such  accounts to a total balance of less than $1,750 then such request
         will be a request for the total of such Investment  Accounts.  Payments
         in  excess  of  the  minimum  described  above  may be  subject  to the
         Contingent Deferred Sales Charge.

         The Owner of Benefits may  terminate  the Flexible  Income  Payments by
         giving the Company  Notification (i) requesting an excess payment equal
         to the remaining  balance of the Aggregate  Investment  Account  Values
         which  correlate  to a  Plan  Participant,  (ii)  requesting  that  the
         remaining balance of the Aggregate Investment Account Values be applied
         to provide  Variable Annuity Payments or (iii) a combination of (i) and
         (ii),  as long as the amount  applied to provide an annuity is at least
         $1,750.  The Company will make such excess  payment on the later of (i)
         the date requested,  or (ii) the date seven (7) calendar days after the
         Company receives the  Notification.  The Annuity  Commencement Date for
         amounts so applied will be one month after the Annuity  Purchase  Date.
         The  Annuity  Purchase  Date for  amounts so applied  will be the first
         Valuation  Date in the month  following  the  Company's  receipt of the
         Notification or the first  Valuation Date of such  subsequent  month as
         requested.

         If the  Owner of  Benefits  chooses  the  Flexible  Income  Option,  an
         additional  charge $25.00 will be deducted annually on a pro rata basis
         from the Investment Accounts which correlate to the Plan Participant.

C.   Payment on Death of Plan Participant

    1.   Prior to Annuity Purchase Date

         If a Plan  Participant  dies prior to the Annuity  Purchase  Date,  the
         Company (upon receipt of due proof of death) will pay the death benefit
         in accordance  with the  provisions of the Plan.  The Owner of Benefits
         may elect to either (1) leave the assets in the  contract to the extent
         permitted by  applicable  laws;  (2) receive such value as a single sum
         benefit;  or (3) apply the Investment Account Values which correlate to
         the Plan  Participant  to purchase  Variable  Annuity  Payments for the
         beneficiary if the aggregate  value of such  Investment  Accounts is at
         least $1,750.  If the beneficiary does not provide  Notification to the
         Company  within 120 days of the date the Company  receives due proof of
         death (i.e. a certified copy of the death certificate, a certified copy
         of a decree of a court of competent  jurisdiction  as to the finding of
         death,  a  written  statement  by a medical  doctor  who  attended  the
         deceased  during his last illness),  the  beneficiary  will be deemed a
         Plan Participant under the contract described in the Prospectus.

         A beneficiary  may elect to have all or a part of the amount  available
         under   this   contract   transferred   to  any   Companion   Contract.
         Alternatively,  this  contract  may  accept  all or part of the  amount
         available under a Companion Contract to establish an Investment Account
         or Accounts for a  beneficiary  under this  contract.  If the aggregate
         value of such Investment  Accounts is less than $1,750, the Company may
         at its option pay the beneficiary the value of such accounts in lieu of
         all other benefits.

         An election to receive  Variable Annuity Payments must be made prior to
         the single  sum  payment  to the  beneficiary.  The amount of the death
         benefit is determined by the terms of the Plan.  Annuity income must be
         payable  as  lifetime  annuity  income  with  no  benefits  beyond  the
         beneficiary's life or life expectancy.  In addition,  the amount of the
         monthly  Variable Annuity Payments must be at least $20, or the Company
         may at its option pay the beneficiary the value of the Variable Annuity
         Reserves  in lieu of all  other  benefits.  The  beneficiary's  Annuity
         Purchase Date will be the first day of the calendar month  specified in
         the  election,  but in no event prior to the first day of the  calendar
         month following the date  Notification is received by the Company.  The
         amount to be applied  will be  determined  as of the  Annuity  Purchase
         Date. The beneficiary's Annuity Commencement Date will be the first day
         of  the  calendar  month  following  the  Annuity  Purchase  Date.  The
         beneficiary must be a natural person in order to elect Variable Annuity
         Payments.  The annuity  conversion  rates  applicable  to a beneficiary
         shall be the annuity  conversion  rates the Company makes  available to
         Owners of Benefits under this contract.  The beneficiary will receive a
         written description of the options available.

    2.   Subsequent to Annuity Purchase Date

         Upon the death of a Plan Participant subsequent to the Annuity Purchase
         Date, no benefits will be available except as may be provided under the
         form of annuity  selected.  If provided  for under the form of annuity,
         the Owner of Benefits or the  beneficiary  will continue  receiving any
         remaining  payments  unless the Owner of  Benefits  or the  beneficiary
         requests in writing that the Commuted  Value of the remaining  payments
         be paid in a single sum.

D.   Withdrawals and Transfers

    1.   Cash Withdrawals

         The contract is designed for and intended to be used to fund retirement
         Plans.  However,  subject to any Plan  limitations or any reduction for
         vesting provided for in the Plan as to amounts available,  the Owner of
         Benefits may withdraw cash from the Investment Accounts which correlate
         to a Plan  Participant  at any time prior to the Annuity  Purchase Date
         subject to any charges that may be applied.  The Internal  Revenue Code
         generally  provides that distributions from the contracts (except those
         used to fund Creditor Exempt or General Creditor  Non-qualified  Plans)
         may  begin  only  after  the  Plan  Participant  attains  age  59  1/2,
         terminates  employment,  dies or  becomes  disabled,  or in the case of
         deemed   hardship  (or,  for  PEDC  Plans,   unforeseen   emergencies).
         Withdrawals  before age 59 1/2 may involve an income tax  penalty.  See
         "Federal Tax Status."

         The procedure with respect to cash withdrawals is as follows:

         (a)  The Plan must allow for such withdrawal.

         (b)  The  Company  must  receive  a  Notification   requesting  a  cash
              withdrawal  from the Owner of Benefits on a form either  furnished
              or approved by the  Company.  The  Notification  must  specify the
              amount to be  withdrawn  for each  Investment  Account  from which
              withdrawals  are  to  be  made.  If  no   specification  is  made,
              withdrawals  from  Investment  Accounts will be made on a pro rata
              basis.

         (c)  If a  certificate  has been  issued to the Owner of  Benefits  the
              Company may require that any  Notification  be accompanied by such
              certificate.

         (d)  The amount  withdrawn  may be subject to the  Contingent  Deferred
              Sales  Charge and, in the case of a  withdrawal  of the  Aggregate
              Investment   Account  Value,  will  be  subject  to  the  Contract
              Administration  Expense/Recordkeeping  Charge.  If  the  Aggregate
              Investment  Account Values are  insufficient to satisfy the amount
              of the requested  withdrawal  and applicable  charges,  the amount
              paid will be reduced to satisfy such charges.

         Any cash  withdrawal  will  result in the  cancellation  of a number of
         units  from  each  Investment  Account  from  which  values  have  been
         withdrawn.  The number of units  cancelled  from an Investment  Account
         will be equal to the amount  withdrawn from that Account divided by the
         Unit Value for the Division of Separate  Account B in which the Account
         is  invested  for the  Valuation  Period in which the  cancellation  is
         effective.  Units will also be cancelled to cover any charges  assessed
         under (d) above.  (Special Note:  Under the Texas  Education Code, Plan
         Participants   under  contracts  issued  in  connection  with  Optional
         Retirement  Programs  for certain  employees of Texas  institutions  of
         higher education are prohibited from making  withdrawals  except in the
         event of  termination  of  employment,  retirement or death of the Plan
         Participant.  Also,  see  "Federal  Tax  Status" for a  description  of
         further withdrawal restrictions.)

    2.   Transfers Between Divisions

         Upon  Notification,  all or a  portion  of the  value of an  Investment
         Account which  correlates to a Plan  Participant  may be transferred to
         another  available   Investment   Account   correlating  to  such  Plan
         Participant for the same type of Contribution.
         Transfers may be made at any time before the Annuity Purchase Date.

         A transfer will be effective as of the end of the  Valuation  Period in
         which the request is received.  Any amount  transferred  will result in
         the  cancellation  of units in the  Investment  Account  from which the
         transfer is made.  The number of units  cancelled  will be equal to the
         amount  transferred  from that account divided by the Unit Value of the
         Division for the  Valuation  Period in which the transfer is effective.
         The  transferred  amount will result in the  crediting  of Units in the
         Investment  Account to which the transfer is made.  The number of Units
         credited  will be  equal  to the  amount  transferred  to that  account
         divided by the Unit Value of the Division for the  Valuation  Period in
         which the transfer is effective.

    3.   Transfers to the Contract

         If a  Companion  Contract  has been  issued by the  Company to fund the
         Plan,  and except as otherwise  provided by the  applicable  Plan,  the
         contract  described in this  prospectus  may accept all or a portion of
         the  proceeds  available  under the  Companion  Contract at any time at
         least one month before Annuity  Commencement Date, subject to the terms
         of the Companion Contract.

     4.  Transfers to Companion Contract

         If a  Companion  Contract  has been  issued by the  Company to fund the
         Plan,  except as  otherwise  provided  by the  applicable  Plan and the
         provisions  of the  Companion  Contract,  an Owner of  Benefits  may by
         Notification transfer all or a portion of the Investment Account Values
         which correlate to a Plan Participant to the Companion Contract. If the
         Notification does not state otherwise, amounts will be transferred on a
         pro rata basis from the Investment Accounts which correlate to the Plan
         Participant.  Transfers  with respect to a Plan  Participant  from this
         contract  to the  Companion  Contract  will  not be  permitted  if this
         contract  has  accepted,  within the  six-month  period  preceding  the
         proposed  transfer  from this  contract to the  Companion  Contract,  a
         transfer from an unmatured  Investment  Account which correlates to the
         Plan Participant established under the Companion Contract. An unmatured
         Investment  Account is an Investment  Account which has not reached the
         end of its  interest  guarantee  period.  In all other  respects,  such
         transfers  are subject to the same  provisions  regarding  frequency of
         transfer,  effective  date of  transfer  and  cancellation  of units as
         described above in "Transfers Between Divisions".

    5.   Special Situation Involving Alternate Funding Agents

         The  contract  allows  the  Investment   Account  Values  of  all  Plan
         Participants  to be transferred  to an alternate  Funding Agent with or
         without the consent of the Plan Participants. Transfers to an Alternate
         Funding Agent require Notification from the Contractholder.

         The amount to be transferred  will be equal to the  Investment  Account
         Values  determined as of the end of the  Valuation  Period in which the
         Notification  is  received.  Such  transfers  may  be  subject  to  the
         Contingent  Deferred  Sales  Charge and will be subject to the Contract
         Administration Expense/Recordkeeping Charge.

    6.   Postponement of Cash Withdrawal or Transfer

         Any cash withdrawal or transfer to be made from the contract or between
         Investment Accounts in accordance with the preceding paragraphs will be
         made (i) within seven calendar days after Notification for such payment
         or  transfer  is  received by the Company at its Home Office or (ii) on
         the  requested  date of payment or transfer,  if later.  However,  such
         withdrawal or transfer 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 fairly to
         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
         transfer  or  withdrawal  is in effect  and has not been  cancelled  by
         Notification to the Company within the period of deferment,  the amount
         to be  transferred  or withdrawn  shall be  determined  as of the first
         Valuation Date  following  expiration of the permitted  deferment,  and
         transfer  or  withdrawal  will  be  made  within  seven  calendar  days
         thereafter. The Company will notify the Contractholder of any deferment
         exceeding 30 days.

    7.   Loans.

         The Company  will not make  available  a loan  option for the  contract
described in this Prospectus.

E.   Other Contractual Provisions

    1.   Contribution Limits

         The contract prescribes no limits on the minimum Contribution which may
         be  made  to  an  Investment   Account  which   correlates  to  a  Plan
         Participant. Plan Participant maximum Contributions are discussed under
         "Federal  Tax Status."  Contributions  may also be limited by the Plan.
         The Company may also limit Contributions on 60-days notice.

    2.   Assignment

         No  benefits in the course of payment  under a contract  used to fund a
         TDA  Plan,  401(a)  Plan  or  Creditor-Exempt  Non-Qualified  Plan  are
         assignable, by any Owner of Benefits, Plan Participant,  beneficiary or
         contingent annuitant and all such benefits under such contracts,  shall
         be exempt from the claims of creditors to the maximum extent  permitted
         by law.  Benefits in the course of payment for  contracts  used to fund
         PEDC plans and General Creditor Non-Qualified Plans are assignable only
         by the  Contractholder  and such  benefits are subject to the claims of
         the Contractholder's general creditors.

         Investment  Account Values which  correlate to a Plan  Participant  are
         non-forfeitable  by the Owner of Benefits;  provided,  however,  if the
         Plan  specifically  so  provides,   Investment   Account  Values  which
         correlate to a Plan Participant shall be reduced to the extent required
         by the  vesting  provisions  of the  Plan as of the  date  the  Company
         receives Notification of the event requiring the reduction.

    3.   Cessation of Contributions

         A cessation  of  Contributions  with  respect to all Plan  Participants
         shall occur at the election of the Contractholder  upon Notification to
         the  Company,  on the  date  the  Plan  terminates  or on the  date  no
         Investment  Account Values remain under the contract or at the election
         of the Company upon 60-days notice to the  Contractholder.  Following a
         cessation of  Contributions  all terms of the Contract will continue to
         apply except that no further Contributions may be made.

     4.  Substitution of Securities

         If  shares  of a Mutual  Fund  are not  available  at some  time in the
         future, or if in the judgment of the Company further investment in such
         shares  would  no  longer  be  appropriate,  there  may be  substituted
         therefor,  or  Contributions  received  after a date  specified  by the
         Company  may be applied to  purchase  (i) shares of another  registered
         open-end investment company or (ii) securities or other property as the
         Company should in its discretion select. In the event of any investment
         pursuant to clause (ii) above,  the Company can make such changes as in
         its judgment are necessary or  appropriate in the frequency and methods
         of determination of Unit Values, Net Investment Factors, Annuity Change
         Factors,  and Investment  Account Values,  including any changes in the
         foregoing which will provide for the payment of an investment  advisory
         fee; provided,  however, that any such changes shall be made only after
         approval by the Insurance  Department of the State of Iowa. The Company
         will give written notice to each Owner of Benefits of any  substitution
         or such  change and any  substitution  will be subject to the rules and
         regulations of the Securities and Exchange Commission.

     5.  Changes in the Contract

         The terms of a contract may be changed at any time by written agreement
         between the Company and the  Contractholder  without the consent of any
         Plan  Participant,  Owner  of  Benefits,   beneficiary,  or  contingent
         annuitant.  However,  except as required by law or regulation,  no such
         change  shall apply to variable  annuities  which were in the course of
         payment  prior to the  effective  date of the change.  The Company will
         notify any Contractholder affected by any change under this paragraph.

         The Company may unilaterally change the contract at any time, including
         retroactive  changes,  in order to meet the  requirements of any law or
         regulation  issued by any  governmental  agency to which the Company is
         subject.  The Company  may also add  additional  Divisions  to Separate
         Account B at any time.  In addition,  the Company may, on 60-days prior
         notice  to  the  Contractholder,  unilaterally  change  the  basis  for
         determining Investment Account Values, Net Investment Factors,  Annuity
         Change Factors; the guaranteed annuity conversion rates; the provisions
         with respect to  transfers  to or from a Companion  Contract or between
         Investment  Accounts;  the Contingent  Deferred  Sales Charge;  and the
         Contract Administration Expense/Recordkeeping Charge.

         However,  no  amendment or change will apply to annuities in the course
         of payment except to the extent  necessary to meet the  requirements of
         any law or regulation  issued by any  governmental  agency to which the
         company is subject.  In addition,  no change on the guaranteed  annuity
         conversion  rates  or the  Contingent  Deferred  Sales  Charge  will be
         effective  for any  current  Plan  Participant  if the  effect  of such
         amendment or change  would be less  favorable to the Owner of Benefits.
         Also, any change in the Contract  Administration  Expense/Recordkeeping
         Charge  will  not  take  affect  as to any  Investment  Accounts  to be
         transferred to an Alternate  Funding Agent if, prior to the date of the
         amendment or change is to take affect,  the Company  receives a written
         request  from the  Contractholder  for  payment of all such  Investment
         Account  Values to the Alternate  Funding Agent and such request is not
         revoked.

         Furthermore,  the Company may, on 60-days notice to the Contractholder,
         unilaterally  change the mortality  and expense  risks charge  provided
         that (a) the  charge  shall in no event  exceed  1.25%,  (b) the charge
         shall not be changed more  frequently  than once in any one year period
         and (c) no change shall apply to annuities  which were in the course of
         payment prior to the effective date of the change.

STATEMENT OF VALUES

     The Company  will  furnish each Owner of Benefits at least once during each
year a statement showing the number of units credited to the Investment  Account
or  Accounts  which  correlate  to the Plan  Participant,  Unit  Values for such
Investment Accounts and the resulting Investment Account Values.

SERVICES AVAILABLE BY TELEPHONE

     The  following  transactions  may be exercised by telephone by any Owner of
Benefits:   1)  transfers  between  Investment  Accounts;   and  2)  changes  in
Contribution allocation percentages. The telephone transactions may be exercised
by telephoning  1-800-633-1373.  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 of  Benefits  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 of  Benefits'  address  of  record.  Owners  of  Benefits  may  obtain
additional information and assistance by telephoning the toll free number.

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,  A Member of 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 for the distribution of the Contract in accordance with two
separate  schedules one of which  provides for payment of 4.5% of  Contributions
scaling down for  Contributions  in excess of $5,000 and one which  provides for
payments of 3.0% of  Contributions  scaling down for  Contributions in excess of
$50,000.  The contract may also be sold through  other  selected  broker-dealers
registered under the Securities Exchange Act of 1934. Princor Financial Services
Corporation is also the principal  underwriter for various registered investment
companies organized by the Company. Princor Financial Services Corporation is an
indirect 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 July 15, 1992.
However,  shares of some of the mutual funds 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 mutual  fund in which such  Division  invests was first
offered.  The yield and total return figures described below will vary depending
upon  market  conditions,  the  composition  of  the  underlying  Mutual  Funds'
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  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 contingent  deferred sales charges which, if included,  would
reduce the "yield" and "effective yield."

     In addition,  from time to time,  the Separate  Account will  advertise its
"yield" for the Bond  Division  and  Government  Securities  Division  for these
contracts.  The "yield" of these  Divisions 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 for these  contracts.  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 5% 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 does not take into account the  contingent  deferred sales charge in
order to  illustrate  the change in the  Division's  unit  value over time.  See
"Deductions  Under the Contract" for a discussion of contingent  deferred  sales
charges.

VOTING RIGHTS

     The Company  shall vote  Mutual  Fund shares held in Separate  Account B at
regular  and special  meetings of  shareholders  of each Mutual  Fund,  but will
follow voting  instructions  received from persons having the voting interest in
the Mutual Fund shares.

     The  number  of Mutual  Fund  shares  as to which a person  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  Mutual  Fund,  and  voting
instructions will be solicited by written  communication at least ten days prior
to the meeting.

     During the accumulation  period, the Owner of Benefits is the person having
the voting  interest in the Mutual Fund shares  attributable  to the  Investment
Accounts  which  correlate  to the Plan  Participant.  The number of Mutual Fund
shares  held in Separate  Account B which are  attributable  to each  Investment
Account is determined by dividing the Investment Account Value attributable to a
Division  of  Separate  Account  B by the net  asset  value of one  share of the
underlying Mutual Fund.

     During the annuity  period,  the person then  entitled to Variable  Annuity
Payments has the voting  interest in the Mutual Fund shares  attributable to the
variable  annuity.  The number of Mutual Fund shares held in Separate  Account B
which are  attributable  to each variable  annuity is determined by dividing the
reserve  for the  variable  annuity by the net asset  value of one  Mutual  Fund
share.  The  voting  interest  in the Mutual  Fund  shares  attributable  to the
variable  annuity will  ordinarily  decrease during the annuity period since the
reserve for the variable annuity  decreases due to the reduction in the expected
payment period.

     Mutual  Fund  shares for which  Owners of  Benefits  or payees of  variable
annuities  are  entitled  to give  voting  instructions,  but for which none are
received,  and shares of the Fund 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 person  having a voting  interest
together with an appropriate form which may be used to give voting  instructions
to the Company.

     If the  Company  determines  pursuant  to  applicable  law that Mutual Fund
shares held in  Separate  Account B need not be voted  pursuant to  instructions
received from persons  otherwise  having the voting  interest as provided above,
then the Company  may vote Mutual Fund shares held in Separate  Account B in its
own right.

FEDERAL TAX STATUS

     It should be recognized that the  descriptions  below of the federal income
tax status of amounts received under the contracts are not exhaustive and do not
purport to cover all situations. A qualified tax advisor should be consulted for
complete  information.  (For the federal tax status of the Company and  Separate
Account B, see "Principal Mutual Life Insurance Company Separate Account B".)

A.    Taxes Payable by Owners of Benefits and Annuitants

      The  contract  offered in  connection  with this  prospectus  is used with
retirement programs which receive favorable tax deferred treatment under Federal
income tax law and deferred annuity contracts  purchased with after tax dollars.
Annuity  payments or other  amounts  received  under the contract are subject to
income  tax  withholding.  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.

      Contributions  to  contracts  used to  fund  Creditor-Exempt  and  General
Creditor  Non-Qualified Plans do not enjoy the advantages available to qualified
retirement  plans,  but  Contributions   invested  in  contracts  used  to  fund
Creditor-Exempt   Non-qualified   Retirement  Plans  may  receive  tax  deferred
treatment of the earnings , until  distributed  from the contract as  retirement
benefits.

      1.    Tax Deferred Annuity Plans-- (Section 403(b) Annuities for Employees
            of Certain Tax-Exempt  Organizations or Public Educational
            Institutions)

      Contributions.  Under section 403(b) of the Code, payments made by certain
employers (i.e., tax-exempt  organizations,  meeting the requirements of section
501(c)(3) of the Code and public  educational  institutions) to purchase annuity
contracts for their  employees are excludable from the gross income of employees
to the extent that the  aggregate  Contributions  do not exceed the  limitations
prescribed by section 402(g),  section  403(b)(2),  and section 415 of the Code.
This gross income  exclusion  applies to employer  contributions  and  voluntary
salary reduction contributions.

      An individual's  voluntary  salary reduction  contributions  under section
403(b) are generally limited to the lesser of $9,500 or 25 percent of net salary
(or 20 percent of gross salary); additional catch-up contributions are permitted
under   certain   circumstances.   Combined   employer   and  salary   reduction
contributions  are generally  limited to approximately 25 percent of net salary.
In  addition,  for plan  years  beginning  after  December  31,  1988,  employer
contributions must comply with various  nondiscrimination rules; these rules may
have the effect of  further  limiting  the rate of  employer  contributions  for
highly compensated employees.

      Taxation of Distributions.  Distributions are restricted. The restrictions
apply to amounts  accumulated  after  December  31,  1988  (including  voluntary
contributions  after  that  date and  earnings  on prior and  current  voluntary
contributions).  These  restrictions  require  that  no  distributions  will  be
permitted  prior to one of the following  events:  (1) attainment of age 59 1/2,
(2)  separation  from  service,  (3)  death,  (4)  disability,  or (5)  hardship
(hardship  distributions  will be  limited  to the  amount of  salary  reduction
contributions exclusive of earnings thereon).

      All distributions,  other than distributions from after-tax Contributions,
from a section 403(b) annuity Plan are taxed as ordinary income of the recipient
in  accordance  with  section  72 of the Code and are  subject to 20% income tax
withholding.  Distributions  received  before the  recipient  attains age 59 1/2
generally  are subject to a 10%  penalty tax in addition to regular  income tax.
Certain   distributions   are  excepted   from  this   penalty  tax,   including
distributions  following (1) death, (2) disability,  (3) separation from service
during or after the year the Plan  Participant  reaches  age 55, (4)  separation
from service at any age if the  distribution is in the form of payments over the
life (or life  expectancy) of the Plan  Participant (or the Plan Participant and
beneficiary),  and (5)  distributions  not in excess of tax  deductible  medical
expenses.

      Required Distributions. Generally, distributions from section 403(b) Plans
must commence no later than April 1 of the calendar year  following the calendar
year in which the Plan  Participant  attains  age 70 1/2 and such  distributions
must be made over a period that does not exceed the life  expectancy of the Plan
Participant  (or  the  Plan  Participant  and  beneficiary).  Plan  Participants
employed by governmental entities and certain church organizations may delay the
commencement of payments until April 1 of the calendar year following retirement
if they remain employed after attaining age 70 1/2.  However,  upon the death of
the Plan Participant prior to the commencement of annuity  payments,  the amount
accumulated  under the  contract  must be  distributed  within five years or, if
distributions to a beneficiary designated under the contract commence within one
year of the Plan Participant's death,  distributions are permitted over the life
of the beneficiary or over a period not extending beyond the beneficiary's  life
expectancy.   If  the  Plan   Participant   has  commenced   receiving   annuity
distributions prior to the Plan Participant's death, distributions must continue
at least as rapidly as under the method in effect at the date of death.  Amounts
accumulated  under a contract on  December  31,  1986,  are not subject to these
minimum distributions requirements.  A penalty tax of 50% will be imposed on the
amount by which the minimum required distribution in any year exceeds the amount
actually distributed in that year.

      Tax-Free  Transfers  and  Rollovers.  The Code  provides  for the tax-free
exchange of one annuity contract for another annuity  contract,  and the IRS has
ruled that total or partial amounts  transferred  between section 403(b) annuity
contracts and/or 403(b)(7)  custodial accounts may qualify as tax-free exchanges
under certain  circumstances.  In addition,  section  403(b) of the Code permits
tax-free  rollovers  of eligible  rollover  distributions  from  section  403(b)
programs to Individual  Retirement Accounts (IRAs) under certain  circumstances.
If an eligible rollover distribution is taken as a direct rollover to an IRA (or
another  403(b) plan) the mandatory 20% income tax  withholding  does not apply.
However,  the 20% mandatory  withholding  requirement  does apply to an eligible
rollover distribution that is not made as a direct rollover. In addition, such a
rollover must be completed within 60 days of receipt of the distribution.

     2.     Public Employee Deferred Compensation Plans-- (Section 457 Unfunded
            Deferred Compensation Plans of Public Employers and Tax-Exempt
            Organizations)

      Contributions.  Under  section  457 of the Code,  individuals  who perform
services for a unit of a state or local government may participate in a deferred
compensation  program.  Tax-exempt employers may establish deferred compensation
plans  under  section  457 only  for a select  group  of  management  or  highly
compensated employees and/or independent contractors.

      This  type  of  program  allows   individuals  to  defer  the  receipt  of
compensation  which would otherwise be presently  payable and to therefore defer
the payment of Federal  income taxes on the amounts.  Assuming  that the program
meets the requirements to be considered a Public Employee Deferred  Compensation
Plan (an "PEDC Plan"),  an  individual  may  contribute  (and thereby defer from
current  income  for  tax  purposes)  the  lesser  of  $7,500  or 33 1/3% of the
individuals includible compensation. (Includible compensation means compensation
from the employer  which is current  includible  in gross income for Federal tax
purposes.)  During the last three  years  before an  individual  attains  normal
retirement age, additional catch-up deferrals are permitted.

      The amounts which are deferred may be used by the employer to purchase the
contract offered by this prospectus.  The contract is owned by the employer and,
in fact, is subject to the claims of the employer's creditors.  The employee has
no present  rights or vested  interest in the contract  and is only  entitled to
payment in accordance with the PEDC Plan provisions.

      Taxation of Distributions.  Amounts received by an individual from an PEDC
Plan are  includible  in gross income for the taxable year in which such amounts
are paid or otherwise made available.

      Distributions Before Separation from Service.  Distributions generally are
not  permitted  under an PEDC Plan prior to separation  from service  except for
unforeseeable  emergencies.  Emergency distributions are includible in the gross
income of the individual in the year in which paid.

      Required   Distributions.   Beginning   January  1,  1989,   the   minimum
distribution  requirements  for PEDC Plans are  generally  the same as those for
qualified  plans and section  403(b) Plans,  except that no amounts are exempted
from minimum distribution requirements.

      Tax Free Transfers and  Rollovers.  Federal income tax law permits the tax
free  transfer of PEDC Plan amounts to another  PEDC Plan,  but not to an IRA or
other type of plan.

     3.    401(a) Plans

      Contributions.  Payments made by employers to purchase  annuity  contracts
for qualified  pension and profit  sharing  plans,  under Section  401(a) of the
Code, are  excludable  from the gross income of employees to the extent that the
aggregate  Contributions  do not exceed the  limitations  prescribed  by section
402(g),  and section 415 of the Code.  This gross  income  exclusion  applies to
employer contributions and voluntary salary reduction contributions.

      An individual's voluntary salary reduction contributions for a 401(k) plan
are generally limited to $9,240 (1995 limit).

     For 401(a) qualified plans, the maximum annual  contribution  that a member
can  receive  is  limited to the  lesser of 25% of  includible  compensation  or
$30,000.

      Taxation   of   Distributions.   Distributions   are   restricted.   These
restrictions  require that no distributions of employer  contributions or salary
deferrals will be permitted prior to one of the following events: (1) attainment
of age 59 1/2, (2) separation from service,  (3) death,  (4) disability,  or (5)
for certain 401(a) Plans,  hardship  (hardship  distributions will be limited to
the amount of salary  reduction  contributions  exclusive of earnings  thereon).
In-service distributions may be permitted under various circumstances in certain
plans.

      All distributions  from a section 401(a) Plan are taxed as ordinary income
of the  recipient  in  accordance  with  section  72 of the Code.  Distributions
received before the recipient  attains age 59 1/2 generally are subject to a 10%
penalty  tax in  addition  to regular  income  tax.  Certain  distributions  are
excepted from this penalty tax, including distributions following (1) death, (2)
disability,  3)  separation  from  service  during  or  after  the year the Plan
Participant  reaches  age 55,  (4)  separation  from  service  at any age if the
distribution  is in the form of payments over the life (or life  expectancy)  of
the  Plan  Participant  (or  the  Plan  Participant  and  beneficiary),  and (5)
distributions not in excess of tax deductible medical expenses.

      Required Distributions. Generally, distributions from section 401(a) Plans
must commence no later than April 1 of the calendar year  following the calendar
year in which the Plan  Participant  attains  age 70 1/2 and such  distributions
must be made over a period that does not exceed the life  expectancy of the Plan
Participant (or the Plan  Participant and  beneficiary).  Following the death of
the Plan  Participant,  the distribution  requirements are generally the same as
those  described  with  respect to 403(b)  Plans.  A penalty  tax of 50% will be
imposed on the amount by which the  minimum  required  distribution  in any year
exceeds the amount actually distributed in that year.

      Tax-Free  Transfers  and  Rollovers.  The Code  provides  for the tax-free
exchange of one annuity  contract for another  annuity  contract.  Distributions
from a 401(a) Plan may also be transferred to a Rollover IRA.

      4.    Creditor-Exempt Non-Qualified Plans

      Certain employers may establish Creditor-Exempt Non-Qualified Plans. Under
such Plans the employer  formally funds the Plan either by purchasing an annuity
contract  or by  transferring  funds on behalf of Plan  Participants  to a trust
established  for the benefit of such Plan  Participants  with a direction to the
trustee to use the funds to  purchase  an annuity  contract.  The Trustee is the
Contractholder  and is considered  the nominal owner of the contract.  Each Plan
Participant as a Trust  beneficiary,  is an Owner of Benefits under the contract
and is treated as the owner for income tax purposes.

      Taxation of Contract Earnings.  Since each Plan Participant for income tax
purposes is considered  the owner of the  Investment  Account or Accounts  which
correlate  to such  Participant,  any  increase  in a  Participant's  Investment
Account Value  resulting from the investment  performance of the contract is not
taxable to the Plan Participant until received by such Plan Participant.

      Contributions.  Payments  made by the employer to the Trust on behalf of a
Plan Participant are currently includible in the Plan Participant's gross income
as  additional  compensation  and,  if  such  payments  coupled  with  the  Plan
Participant's  other  compensation  is reasonable  in amount,  such payments are
currently deductible as compensation by the Employer.

      Taxation  of  Distributions.  In  general,  partial  withdrawals  from  an
Investment  Account  that are not received by a Plan  Participant  as an annuity
under the  contract  allocated to  post-August  13, 1982  Contributions  under a
pre-existing  contract  are  taxed  as  ordinary  income  to the  extent  of the
accumulated  income  or gain  under the  contract.  Partial  redemptions  from a
contract  that are  allocated  to  pre-August  14,  1982  Contributions  under a
pre-existing contract are taxed only after the Plan Participant has received all
of the "investment in the contract"  (Contributions  less any amounts previously
received and excluded from gross income).

      In the case of a complete  redemption of an  Investment  Account under the
contract (regardless of the date of purchase), the amount received will be taxed
as  ordinary  income  to the  extent  that it  exceeds  the  Plan  Participant's
investment in the contract.

      If a  Contractholder  purchases two or more contracts from the Company (or
an  affiliated  company)  within any twelve month period after October 21, 1988,
those  contracts are treated as a single  contract for purposes of measuring the
income on a partial redemption or complete surrender.

      When  payments  are  received  as  an  annuity,   the  Plan  Participant's
investment  in the  contract is treated as received  ratably  over the  expected
payment  period of the  annuity  and  excluded  from gross  income as a tax-free
return of capital.  Individuals who commence  receiving  annuity  payments on or
after January 1, 1987, can exclude from income only their unrecovered investment
in the contract.  Where such  individuals  die before they have recovered  their
entire  investment  in the  contract  on a tax-free  basis,  are  entitled  to a
deduction of the unrecovered amount on their final tax return.

      In addition  to regular  income  taxes,  there is a 10% penalty tax on the
taxable portion of a distribution  received before the Plan Participant  attains
age 59 1/2  under  the  contract,  unless  the  distribution  is;  (1) made to a
beneficiary  on or  after  death  of the Plan  Participant,  (2)  made  upon the
disability of the Plan Participant;  (3) part of a series of substantially equal
annuity  payments for the life or life expectancy of the Plan Participant or the
Plan Participant and beneficiary;  (4) made under an immediate annuity contract,
or (5) allocable to Contributions made prior to August 14, 1982.

      Required Distributions.  The Internal Revenue Code does not require a Plan
Participant under a  Creditor-Exempt  Non-Qualified  Plan to commence  receiving
distributions  at any particular time and does not limit the duration of annuity
payments.  However,  the contract provides the Annuity Commencement Date must be
no later than the April 1 of the calendar  year  following  the calendar year in
which the Plan Participant  attains age 70 1/2.  However,  upon the death of the
Plan  Participant  prior to the  commencement  of annuity  payments,  the amount
accumulated  under the contract  for the Plan  Participant  must be  distributed
within five years or, if  distributions  to a beneficiary  designated  under the
contract commence within one year of the Plan Participant's death, distributions
are permitted  over the life of the  beneficiary  or over a period not extending
beyond the beneficiary's life expectancy.  If the Plan Participant has commenced
receiving  annuity   distributions  prior  to  the  Plan  Participant's   death,
distributions must continue at least as rapidly as under the method in effect at
the date of death.

      Tax-Free  Exchanges.  Under Section 1035 of the Code,  the exchange of one
annuity contract for another is not a taxable transaction,  but is reportable to
the  IRS.  Transferring  Investment  Account  Values  from  this  contract  to a
Companion Contract would fall within the provisions of Section 1035 of the Code.

      5.    General Creditor Non-Qualified Plans

      Contributions.  Private taxable employers may establish informally funded,
General Creditor  Non-Qualified Plans for a select group of management or highly
compensated  employees and/or independent  contractors.  Certain arrangements of
nonprofit  employers entered into prior to August 16, 1989, and not subsequently
modified, are subject to the rules discussed below.

      Informally  funded General Creditor  Non-Qualified  Plans represent a bare
contractual  promise  on the part of the  employer  to pay wages at some  future
time. The contract used to informally fund the employer's obligation is owned by
the employer and is subject to the claims of the employer's creditors.  The Plan
Participant  has no present right or vested interest in the contract and is only
entitled to payment in accordance with Plan  provisions.  If the Employer who is
the  Contractholder,  is not a natural  person,  the  contract  does not receive
tax-deferred treatment afforded other Contractholders under the Internal Revenue
Code.

      Taxation  of  Distributions.  Amounts  received  by an  individual  from a
General  Creditor  Non-Qualified  Plan are  includible in the  employee's  gross
income for the taxable  year in which such  amounts are paid or  otherwise  made
available.  Such  amounts  are  deductible  by the  employer  when  paid  to the
individual.

B.    Fund Diversification

      Separate Account B investments must be adequately diversified in order for
the increase in the value of Creditor-Exempt  Non-Qualified Contracts to receive
tax-deferred treatment. In order to be adequately diversified,  the portfolio of
each  underlying  Mutual Fund 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 a  Fund  to  meet  the  diversification
requirements  could  result in tax  liability to  Creditor-Exempt  Non-Qualified
Contractholders.

      The investment  opportunities of the Funds could conceivably be limited by
adhering  to the above  diversification  requirements.  This  would  affect  all
Contractholders, 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 Narber, Vice President and General Counsel of the Company.

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.

EXPERTS

     The  financial  statements  of  Principal  Mutual  Life  Insurance  Company
Separate  Account  B and  Principal  Mutual  Life  Insurance  Company  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.

CONTRACTHOLDERS' INQUIRIES

     Contractholders' inquiries should be directed to Princor Financial Services
Corporation,  A Member  of The  Principal  Financial  Group,  Des  Moines,  Iowa
50392-0200, (515) 247-5711.

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

     Underwriting Commissions.................................................3

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

     Financial Statements:

         Principal Mutual Life Insurance Company Separate Account B...........5

              Report of Independent Auditors.................................21

         Principal Mutual Life Insurance Company.............................22

              Report of Independent Auditors.................................41

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

                       Princor Financial Services Corporation
                                     A Member of
                           The Principal Financial Group
                             Des Moines, IA  50392-0200
                              Telephone: 1-800-247-4123
<PAGE>


   
                          SUPPLEMENT, DATED MAY 5, 1995
                    TO THE PROSPECTUS DATED MARCH 31, 1995 OF
                     PRINCIPAL MUTUAL LIFE INSURANCE COMPANY
                                SEPARATE ACCOUNT B
                                PERSONAL VARIABLE
                        (A Group Variable Annuity Contract
                         For Employer Sponsored Qualified
                        And Non-Qualified Retirement Plans)

Effective,  May 5, 1995, the prospectus  dated March 31, 1995 is amended by
replacing the first  paragraph on page 12 of the prospectus  with the following:
The Contingent  Deferred  Sales Charge does not apply to  withdrawals  made as a
result of the Plan Participant's  death or Total and Permanent  Disability.  The
charge  also does not apply to amounts  paid  pursuant  to the  Flexible  Income
Option  that  do not  exceed  the  greater  of (i)  the  minimum  annual  amount
determined in  accordance  with the minimum  distribution  rules of the Internal
Revenue  Code,  or (ii) 10% of the aggregate  value of the  Investment  Accounts
which correlate to a Plan  Participant  determined as of the last Valuation Date
in the  preceding  Deposit  Year.  The charge  also does not apply to  transfers
between Investment Accounts or transfers to a Companion Contract, transfers from
a Premier  Variable  Annuity  Contract or to amounts applied to provide Variable
Annuity  Payments.  The charge may apply to amounts  transferred to an Alternate
Funding Agent.  The charge does not apply to amounts redeemed to assure the plan
complies with Sections 401(k) and 401(m) of the Internal Revenue Code.
    


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