NML VARIABLE ANNUITY ACCOUNT A
485BPOS, 1996-04-26
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<PAGE>   1
                                                Registration No. 33-58476
                                                                 --------




                       SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                                    FORM N-4

                  REGISTRATION STATEMENT UNDER THE SECURITIES
                                     ACT OF 1933                      /   /

                            Pre-Effective Amendment No.               /   /
                                                         ---
                            Post-Effective Amendment No.  7           / X /
                                                         ---
                                     and/or
                  REGISTRATION STATEMENT UNDER THE INVESTMENT
                                COMPANY ACT OF 1940                   /   /

                                   Amendment No.                      /   /
                                                 ---

                       (Check appropriate box or boxes.)

                       NML VARIABLE ANNUITY ACCOUNT A
- --------------------------------------------------------------------------------
                           (Exact Name of Registrant)

               THE NORTHWESTERN MUTUAL LIFE INSURANCE COMPANY
- --------------------------------------------------------------------------------
                              (Name of Depositor)

720 East Wisconsin Avenue, Milwaukee, Wisconsin                      53202
- --------------------------------------------------------------------------------
     (Address of Depositor's Principal Executive Offices)       (Zip Code)

Depositor's Telephone Number, including Area Code 414-271-1444
                                                  ------------------------------
     JOHN M. BREMER, Senior Vice President, General Counsel and Secretary
     720 East Wisconsin Avenue, Milwaukee, Wisconsin  53202
- --------------------------------------------------------------------------------
                    (Name and Address of Agent for Service)

It is proposed that this filing will become effective (check appropriate space)

         immediately upon filing pursuant to paragraph (b) of Rule 485
    ---
     X   on April 30, 1996 pursuant to paragraph (b) of Rule 485
    ---
         60 days after filing pursuant to paragraph (a)(1) of Rule 485
    ---
         on (DATE) pursuant to paragraph (a)(1) of Rule 485
    ---
         this post-effective amendment designates a new effective date
    ---  for a previously filed post-effective amendment.

<PAGE>   2



                       NML VARIABLE ANNUITY ACCOUNT A
- --------------------------------------------------------------------------------
                             CROSS-REFERENCE SHEET


<TABLE>
<CAPTION>
N-4, Part A                              Heading in
Item                                     Prospectus
- ---------------------------------------  ---------------------------------------
<S>                                      <C>

   1  . . . . . . . . . . . . . . . . .  Cover Page
   2  . . . . . . . . . . . . . . . . .  Index of Special Terms
   3  . . . . . . . . . . . . . . . . .  Synopsis, The Contracts, The Fund,
                                         Deductions and Charges, Right to
                                         Examine Deferred Contract, Penalty Tax
                                         on Premature Payments, Expense Table
   4  . . . . . . . . . . . . . . . . .  Accumulation Unit Values, Financial
                                         Statements
   5  . . . . . . . . . . . . . . . . .  The Company, NML Variable Annuity
                                         Account A, The Fund
   6  . . . . . . . . . . . . . . . . .  Deductions, Distribution of the
                                         Contracts
   7  . . . . . . . . . . . . . . . . .  The Contracts, Owners of the
                                         Contracts, Application of Purchase
                                         Payments, Transfers Between Divisions
                                         and Payment Plans, Substitution and
                                         Change
   8  . . . . . . . . . . . . . . . . .  Variable Payment Plans,
                                         Description of Payment Plans,
                                         Amount of Annuity Payments, Maturity
                                         Benefit, Assumed Investment Rate,
                                         Transfers Between Divisions and Payment
                                         Plans
   9  . . . . . . . . . . . . . . . . .  Death Benefit
  10  . . . . . . . . . . . . . . . . .  Amount and Frequency, Application
                                         of Purchase Payments, Net
                                         Investment Factor, Distribution of the
                                         Contracts
  11  . . . . . . . . . . . . . . . . .  Withdrawal Amount, Deferment of
                                         Benefit Payments, Right to Examine 
                                         Contract
  12  . . . . . . . . . . . . . . . . .  Federal Income Taxes
  13  . . . . . . . . . . . . . . . . .  Not Applicable
  14  . . . . . . . . . . . . . . . . .  Table of Contents for Statement of
                                         Additional Information

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

<CAPTION>

N-4, Part B                              Heading in Statement
Item                                     of Additional Information
- ---------------------------------------  ---------------------------------------
<S>                                      <C>
  15  . . . . . . . . . . . . . . . . .  Cover Page
  16  . . . . . . . . . . . . . . . . .  Table of Contents
  17  . . . . . . . . . . . . . . . . .  Not Applicable
  18  . . . . . . . . . . . . . . . . .  Experts
  19  . . . . . . . . . . . . . . . . .  Not Applicable
  20  . . . . . . . . . . . . . . . . .  Distribution of the Contracts
  21  . . . . . . . . . . . . . . . . .  Not Applicable
  22  . . . . . . . . . . . . . . . . .  Determination of Annuity Payments
  23  . . . . . . . . . . . . . . . . .  Financial Statements

</TABLE>


<PAGE>   3
   
                                                                 April 30, 1996
    


P  R  O  S  P  E  C  T  U  S










                                                                   NML

                                                                   Variable

                                                                   Annuity

                                                                   Account A










V A R I A B L E   A N N U I T Y  C O N T R A C T S  F O R

R E T I R E M E N T  P L A N S  O F  S E L F - E M P L O Y E D

P E R S O N S  A N D  T H E I R  E M P L O Y E E S




















                                                   NORTHWESTERN 
                                                   MUTUAL LIFE
                                                   720 East Wisconsin Avenue
                                                   Milwaukee, Wisconsin 53202
                                                   (414) 271-1444
                                       


<PAGE>   4




   P R O S P E C T U S


NML VARIABLE ANNUITY ACCOUNT A


     This prospectus describes individual variable annuity contracts (the
"Contracts") offered by The Northwestern Mutual Life Insurance Company
("Northwestern Mutual Life") to provide retirement annuity benefits for
self-employed individuals (and their eligible employees) who adopt plans
meeting the requirements of Sections 401 or 403(a) of the Internal Revenue Code
of 1986, as amended (the "Code"). Such plans, which are popularly called "HR-10
Plans", afford certain federal income tax benefits to employers and to
employees and their beneficiaries.

     The Contracts contemplate periodic purchase payments until a selected
maturity date--usually retirement--after which the benefits under the Contracts
become payable. Purchase payments which are to be accumulated on a variable
basis or applied to provide variable benefits are credited by Northwestern
Mutual Life to NML Variable Annuity Account A (the "Account") and allocated
among one or more of the nine Divisions of the Account as directed by the
individual Contract owners.  The Contracts also permit accumulation of funds on
a fixed basis, at rates of interest declared periodically by Northwestern
Mutual Life.  This prospectus describes only the Account and the variable
provisions of the Contracts except where there are specific references to the
fixed provisions.

     The assets of the Account are maintained separately from Northwestern
Mutual Life's general assets. Assets of each Division of the Account are
invested entirely in shares of a corresponding Portfolio of Northwestern Mutual
Series Fund, Inc. (the "Fund").  The Fund is currently comprised of the Index
500 Stock, Select Bond, Money Market, Balanced, Growth and Income Stock, Growth
Stock, Aggressive Growth Stock, High Yield Bond and International Equity
Portfolios.

     The value of interests in each Division before annuity benefits become
payable will vary continuously to reflect the investment performance of the
Portfolio selected by the Contract owner. When annuity benefits become payable
the Contracts provide lifetime annuity payments or other annuity payment plans
on either a variable or fixed basis. If a variable payment plan is selected the
annuity payments will continue to increase or decrease to reflect the
investment experience of the Portfolios for the Divisions to which Contract
values have been allocated. If a fixed payment plan is selected the amount of
annuity payments will remain fixed, except as they may be increased by
dividends.

     Two versions of the Contracts are offered:  Front Load Contracts and Back
Load Contracts.  (See "Expense Table", p. 2, and "Deductions", p. 14.)

     This prospectus sets forth concisely the information about the Contracts
that a prospective investor ought to know before investing. Additional
information about the Contracts and the Account has been filed with the
Securities and Exchange Commission in a Statement of Additional Information
which is incorporated herein by reference. The Statement of Additional
Information is available upon written or oral request and without charge from
The Northwestern Mutual Life Insurance Company, 720 East Wisconsin Avenue,
Milwaukee, Wisconsin, 53202, Telephone Number (414) 271-1444. The table of
contents for the Statement of Additional Information is shown on page 17 of
this prospectus.


   THIS PROSPECTUS IS VALID ONLY WHEN ACCOMPANIED BY THE CURRENT PROSPECTUS
   FOR NORTHWESTERN MUTUAL SERIES FUND, INC. WHICH IS ATTACHED HERETO, AND
   SHOULD BE RETAINED FOR FUTURE REFERENCE.


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


THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFERING IN ANY JURISDICTION IN WHICH
SUCH OFFERING MAY NOT LAWFULLY BE MADE. NO PERSON IS AUTHORIZED TO MAKE ANY
REPRESENTATIONS IN CONNECTION WITH THIS OFFERING OTHER THAN THOSE CONTAINED IN
THIS PROSPECTUS.

   
     The Date of the Statement of Additional Information is April 30, 1996
    

<PAGE>   5


                             INDEX OF SPECIAL TERMS


The following special terms used in this prospectus are discussed at the pages
indicated.



<TABLE>
<S>                                <C>       <C>                    <C>     
TERM                               PAGE      TERM                   PAGE    
- ----                               ----      ----                   ----    
ACCUMULATION UNIT................  9         ANNUITANT............. 11      
ANNUITY (or ANNUITY PAYMENTS)....  10        MATURITY DATE ........ 10      
NET INVESTMENT FACTOR ...........  9         OWNER ................ 11      
PAYMENT PLANS ...................  10        WITHDRAWAL AMOUNT .... 10      
</TABLE>                                                                    


SYNOPSIS

THE CONTRACTS  The Contracts are individual variable annuity contracts offered
to provide retirement annuity benefits for self-employed individuals (and their
eligible employees).  The Contracts provide for accumulation of funds on a
variable or fixed or combination basis until a selected maturity date --
usually retirement -- and payment of annuity benefits on either a variable or
fixed basis.  (See "Description of Payment Plans", p. 10.)  Two versions of the
Contracts are offered:  Front Load Contracts and Back Load Contracts.  See the
Expense Table below, and "Deductions", p. 14.

THE FUND  The Account is comprised of nine Divisions which invest in the
corresponding Portfolios of Northwestern Mutual Series Fund, Inc.  For more
information regarding the Fund and its Portfolios, including information about
their investment objectives and expenses, see "The Fund", p. 8 and the attached
Fund Prospectus.

DEDUCTIONS AND CHARGES  For the Front Load Contract there is a maximum sales
load of 4% of purchase payments, reduced when cumulative purchase payments
exceed $100,000.  For the Back Load Contract there is no deduction from
purchase payments for sales expenses, but a withdrawal charge of 0%-8% applies,
depending on the length of time funds have been held under the Contract and the
Contract size.  The assets of the Account bear a charge for mortality and
expense risks assumed by Northwestern Mutual Life under the Contract.  This
charge is at the annual rate of .40% for the Front Load Contract and 1.25% for
the Back Load Contract.  In addition, the annual Contract fee is $30.00.  For
more information about these and other expenses, see the Expense Table below
and "Deductions", p. 14.  Expenses of the Fund are described in the attached
Prospectus for the Fund.

RIGHT TO EXAMINE DEFERRED CONTRACT  During the 10 days following the delivery
of a Contract the Owner may return it to Northwestern Mutual Life, by mail or
in person, if for any reason the Owner has changed his mind. On return of the
Contract, Northwestern Mutual Life will pay to the Owner the value of
Accumulation Units credited to the Contract determined as of the valuation next
following receipt of a written request at the Home Office of Northwestern
Mutual Life.

PENALTY TAX ON PREMATURE PAYMENTS  Premature payment of benefits under an
annuity contract may cause a penalty tax to be incurred. (See "Taxation of
Contract Benefits", p. 13.)


                                 EXPENSE TABLE


<TABLE>
<S>                                      <C>                 <C>                                        <C>
FRONT LOAD CONTRACT                              
TRANSACTION EXPENSES FOR CONTRACTOWNERS                      ANNUAL EXPENSES OF THE ACCOUNT         
- --------------------------------------                       ------------------------------
Maximum Sales Load (as a percentage                           (AS A PERCENTAGE OF ASSETS)                     
of purchase payments)...................   4%                ----------------------------
Withdrawal Charge ......................  None               Mortality Rate and Expense Guarantee            
                                                             Charge  ................................   .40%  
                                                    
                                                             ANNUAL CONTRACT FEE
                                                             -------------------
                                                             $30; waived if the Contract Value equals or exceeds
                                                             $50,000

BACK LOAD CONTRACT
TRANSACTION EXPENSES FOR CONTRACTOWNERS                      ANNUAL EXPENSES OF THE ACCOUNT                   
- ---------------------------------------                      ------------------------------
Sales Load (as a percentage of purchase                      (AS A PERCENTAGE OF ASSETS)                  
payments)...............................  None               ---------------------------
Withdrawal Charge for Sales Expenses                         Mortality Rate and Expense Guarantee             
(as a percentage of amounts paid).......  0%-8%               Charge ...............................   1.25%   
                 
                                                             ANNUAL CONTRACT FEE                                 
                                                             -------------------
                                                             $30; waived if the Contract Value equals or exceeds 
                                                             $50,000                                             
                
</TABLE>


2

<PAGE>   6
ANNUAL EXPENSES OF THE PORTFOLIOS
(AS A PERCENTAGE OF THE ASSETS)
- ------------------------------
   
<TABLE>
<CAPTION>
                                                                        Total Annual
                         Management Fees  Custody Fees  Other Expenses    Expenses
                         ---------------  ------------  --------------  ------------
<S>                           <C>             <C>           <C>             <C>
Index 500 Stock               .20%            .00%           .01%           .21%
Select Bond                   .30%            .00%           .00%           .30%
Money Market                  .30%            .00%           .00%           .30%
Balanced                      .30%            .00%           .00%           .30%
Growth and Income Stock       .65%            .00%           .04%           .69%
Growth Stock                  .58%            .00%           .03%           .61%
Aggressive Growth Stock       .55%            .00%           .01%           .56%
High Yield Bond               .60%            .00%           .05%           .65%
International Equity          .68%            .11%           .06%           .85%
</TABLE>                                     
    
                                             
EXAMPLE
FRONT LOAD CONTRACT - You would pay the following expenses on each $1,000
investment, assuming 5% annual return:

   
<TABLE>
<CAPTION>            
                              1 Year          3 Years       5 Years       10 Years
                              ------          -------       -------       --------
<S>                           <C>              <C>           <C>            <C>
Index 500 Stock                $46             $63           $ 81           $134
Select Bond                    $47             $66           $ 86           $144
Money Market                   $47             $66           $ 86           $144
Balanced                       $47             $66           $ 86           $144
Growth and Income Stock        $51             $77           $106           $187
Growth Stock                   $50             $75           $102           $178
Aggressive Growth Stock        $49             $73           $ 99           $173
High Yield Bond                $50             $76           $104           $183
International Equity           $52             $82           $114           $204
</TABLE>                                                                   
    

NOTE:  THE MINIMUM INITIAL PURCHASE PAYMENT FOR A FRONT-LOAD CONTRACT IS
$10,000.  THE NUMBERS ABOVE MUST BE MULTIPLIED BY 10 TO FIND THE EXPENSES FOR A
FRONT-LOAD CONTRACT OF MINIMUM SIZE.

EXAMPLE
BACK LOAD CONTRACT - You would pay the following expenses on a $1,000
investment, assuming (1) 5% annual return and (2) surrender at the end of each
time period:

   
<TABLE>
<CAPTION>
                              1 Year          3 Years       5 Years       10 Years
                              ------          -------       -------       --------
<S>                            <C>              <C>          <C>            <C>
Index 500 Stock                $ 95              $110        $128           $194
Select Bond                    $ 96              $113        $133           $204
Money Market                   $ 96              $113        $133           $204
Balanced                       $ 96              $113        $133           $204
Growth and Income Stock        $100              $125        $153           $245
Growth Stock                   $ 99              $123        $149           $237
Aggressive Growth Stock        $ 98              $121        $146           $232
High Yield Bond                $ 99              $124        $151           $241
International Equity           $101              $130        $161           $261
</TABLE>                                                          
    

You would pay the following expenses on the same $1,000 investment, assuming no
surrender or annuitization:

   
<TABLE>
<CAPTION>
                              1 Year          3 Years       5 Years       10 Years
                              ------          -------       -------       --------
<S>                           <C>              <C>            <C>            <C>
Index 500 Stock                  $15              $50        $ 88           $194
Select Bond                      $16              $53        $ 93           $204
Money Market                     $16              $53        $ 93           $204
Balanced                         $16              $53        $ 93           $204
Growth and Income Stock          $20              $65        $113           $245
Growth Stock                     $19              $63        $109           $237
Aggressive Growth Stock          $18              $61        $106           $232
High Yield Bond                  $19              $64        $111           $241
International Equity             $21              $70        $121           $261
</TABLE>         
    
                                                                               3
<PAGE>   7


   
     The purpose of the table above is to assist a Contract Owner in
understanding the expenses paid by the Account and the Portfolios and borne by
investors in the Contracts.  The sales load for a Front Load Contract depends
on the amount of cumulative purchase payments.  For the Back Load Contract the
withdrawal charge depends on the length of time funds have been held under the
Contract and the amounts held. The Contracts provide for charges for transfers
between the Divisions of the Account and for premium taxes, but no such charges
are currently being made. See "Transfers Between Divisions and Payment Plans",
p. 11 and "Deductions", p. 14, for additional information about expenses for
the Contracts. The expenses shown in the table for the Portfolios show the
annual expenses for each of the Portfolios, as a percentage of the average net
assets of the Portfolio, based on 1995 operations for the Portfolios and their
predecessors.  For additional information about expenses of the Portfolios, see
the prospectus for the Fund attached hereto. THE EXAMPLE SHOULD NOT BE
CONSIDERED A REPRESENTATION OF PAST OR FUTURE EXPENSES. ACTUAL EXPENSES MAY BE
GREATER OR LESS THAN THOSE SHOWN, SUBJECT TO THE GUARANTEES OF THE CONTRACTS.
    

   
     The tables on the following pages present the accumulation unit values of
the nine Divisions of the Account for the Contracts, including Contracts issued
prior to the date of this prospectus.  The Contracts issued prior to March 31,
1995 are different in certain material respects from Contracts offered
currently, but the values shown below for Contracts issued after December 16,
1981 and prior to March 31, 1995 are calculated on the same basis as those for
the Back Load Contracts described in this prospectus.  The Front Load Contracts
described in this prospectus have a lower mortality rate and expense guarantee
charge than any of the Contracts issued prior to March 31, 1995.
    

4

<PAGE>   8


                           ACCUMULATION UNIT VALUES

   
                 CONTRACTS ISSUED ON OR AFTER MARCH 31, 1995
    
- -------------------------------------------------------------------------------


   
<TABLE>
<CAPTION>
                                 FOR THE NINE                                                                 FOR THE NINE
                                 MONTHS ENDED                                                                 MONTHS ENDED
                               DECEMBER 31, 1995                                                           DECEMBER 31, 1995
                               -----------------                                                           -----------------
<S>                               <C>                                     <C>                                <C>
Index 500 Stock Division                                                  Growth Stock Division           
Accumulation Unit Value:                                                   Accumulation Unit Value:       
 Front Load Version                                                        Front Load Version             
  Beginning of Period             $1.00                                     Beginning of Period                $1.00   
  End of Period                   $1.249                                    End of Period                      $1.209         
 Back Load Version                                                         Back Load Version              
  Beginning of Period             $1.604                                    Beginning of Period                $1.082   
  End of Period                   $1.991                                    End of Period                      $1.300         


Number of Accumulation Units                                              Number of Accumulation Units 
 Outstanding, End of Period                                                Outstanding, End of Period  
  Front Load                      278,235                                   Front Load                         103,292        
  Back Load                       471,752                                   Back Load                          227,218         
                             

Select Bond Division                                                      Aggressive Growth Stock Division       
 Accumulation Unit Value:                                                  Accumulation Unit Value:              
 Front Load Version                                                        Front Load Version                   
  Beginning of Period             $1.00                                     Beginning of Period                $1.00         
  End of Period                   $1.129                                    End of Period                      $1.305               
 Back Load Version                                                         Back Load Version                    
  Beginning of Period             $5.419                                    Beginning of Period                $2.115         
  End of Period                   $6.078                                    End of Period                      $2.743               
                                       
                                       
Number of Accumulation Units                                              Number of Accumulation Units           
 Outstanding, End of Period                                                Outstanding, End of Period            
  Front Load                      26,732                                    Front Load                         255,895
  Back Load                       50,828                                    Back Load                          407,729      
                                       
                                       
Money Market Division                                                     High Yield Bond Division               
 Accumulation Unit Value:                                                  Accumulation Unit Value:              
 Front Load Version                                                        Front Load Version                    
  Beginning of Period             $1.00                                     Beginning of Period                $1.00          
  End of Period                   $1.040                                    End of Period                      $1.112   
 Back Load Version                                                         Back Load Version                     
  Beginning of Period             $2.086                                    Beginning of Period                $1.067          
  End of Period                   $2.156                                    End of Period                      $1.178  
                                       
                                       
Number of Accumulation Units                                              Number of Accumulation Units           
 Outstanding, End of Period                                                Outstanding, End of Period            
  Front Load                      327,441                                   Front Load                            --  
  Back Load                       379,473                                   Back Load                          138,470   
                                       
                                       
Balanced Division                                                         International Equity Division          
 Accumulation Unit Value:                                                  Accumulation Unit Value:              
 Front Load Version                                                        Front Load Version                    
  Beginning of Period             $1.00                                     Beginning of Period                $1.00          
  End of Period                   $1.181                                    End of Period                      $1.140 
 Back Load Version                                                         Back Load Version                     
  Beginning of Period             $3.655                                    Beginning of Period                $1.218          
  End of Period                   $4.290                                    End of Period                      $1.380 
                                       
                                       
Number of Accumulation Units                                              Number of Accumulation Units           
 Outstanding, End of Period                                                Outstanding, End of Period            
  Front Load                      164,302                                   Front Load                          32,573    
  Back Load                       372,457                                   Back Load                          374,986
                                       

Growth and Income Stock Division
 Accumulation Unit Value:
 Front Load Version
  Beginning of Period             $1.00
  End of Period                   $1.197
 Back Load Version
  Beginning of Period             $1.083
  End of Period                   $1.287


Number of Accumulation Units
 Outstanding, End of Period
  Front Load                      114,414
  Back Load                       310,321
</TABLE>
    


5                                                            
                                                            

<PAGE>   9

                                                            


   
<TABLE>
<CAPTION>
                                                     ACCUMULATION UNIT VALUES
                               CONTRACTS ISSUED AFTER DECEMBER 16, 1981 AND PRIOR TO MARCH 31, 1995
- -----------------------------------------------------------------------------------------------------------------------------------
                                                  FOR THE YEAR ENDED DECEMBER 31
                                 --------------------------------------------------------------------------------------------------
                                                                                                                                  
                                        1995           1994          1993          1992          1991          1990          1989  
                                        ----           ----          ----          ----          ----          ----          ----  
<S>                                  <C>           <C>           <C>            <C>          <C>            <C>          <C> 
Index 500 Stock Division            
   Accumulation Unit Value:                                                                                                       
   Beginning of Period*                 $1.469        $1.470        $1.356        $1.280        $1.000        $1.000        --   
   End of Period                        $1.991        $1.469        $1.470        $1.356        $1.280        $1.000        --   
                                                                                                                                  
   Number of Accumulation Units                                                                                                   
   Outstanding, End of Period        18,961,291    17,624,809    16,051,619      4,774,008    2,593,051       30,451        --    
                                                                                                                                  
Select Bond Division                                                                                                              
   Accumulation Unit Value:                                                                                                       
   Beginning of Period                  $5.167        $5.384        $4,941        $4.677        $4.052        $3.787      $3.368  
   End of Period                        $6.078        $5.167        $5,384        $4.941        $4.677        $4.052      $3.787  
                                                                                                                                  
   Number of Accumulation Units                                                                                                   
   Outstanding, End of Period         2,778,441     2,923,557     2,937,137      2,667,880    2,087,901     1,970,476    2,102,874
                                                                                                                                  
Money Market Division                                                                                                             
   Accumulation Unit Value:                                                                                                       
   Beginning of Period                  $2.063        $2.007        $1.976        $1.936        $1.855        $1.739      $1.615  
   End of Period                        $2.156        $2.063        $2.007        $1.976        $1.936        $1.855      $1.739  
                                                                                                                                  
   Number of Accumulation Units                                                                                                   
   Outstanding, End of Period         7,896,022     8,608,326     7,614,186      8,478,941    9,098,558     10,506,714   8,094,998
                                                                                                                                  
Balanced Division                                                                                                                 
   Accumulation Unit Value:                                                                                                       
   Beginning of Period                  $3.436        $3.480        $3.216        $3.092        $2.526        $2.531      $2.217  
   End of Period                        $4.290        $3.436        $3.480        $3.216        $3.092        $2.526      $2.531  
                                                                                                                                  
   Number of Accumulation Units                                                                                                   
   Outstanding, End of Period         52,575,295    59,200,252    63,940,609    62,756,051   59,013,262     58,632,612  59,790,768
                                                                                                                                  
Growth and Income Stock Division                                                                                                  
   Accumulation Unit Value:                                                                                                       
   Beginning of Period**                $0.994        $1.000       --               --            --            --          --   
   End of Period                        $1.287        $0.994       --               --            --            --          --   
                                                                                                                                  
   Number of Accumulation Units                                                                                                   
   Outstanding, End of Period         5,605,215     3,129,287      --               --            --            --          --    
                                                                                                                                  
Growth Stock Division                                                                                                             
   Accumulation Unit Value:                                                                                                       
   Beginning of Period**                $1.006        $1.000       --               --            --            --          --   
   End of Period                        $1.300        $1.006       --               --            --            --          --   
                                                                                                                                  
   Number of Accumulation Units                                                                                                   
   Outstanding, End of Period         2,970,905     1,311,686      --               --            --            --          --    
                                                                                                                                  
Aggressive Growth Stock Division                                                                                                  
   Accumulation Unit Value:                                                                                                       
   Beginning of Period*                 $1.994        $1.915        $1.628        $1.556        $1.010        $1.000        --   
   End of Period                        $2.743        $1.994        $1.915        $1.628        $1.556        $1.010        --   
                                                                                                                                  
   Number of Accumulation Units                                                                                                   
   Outstanding, End of Period        19,083,707    17,290,856    11,319,698      7,939,571     3,208,965      81,406        --    
                                                                                                                                  
High Yield Bond Division                                                                                                          
   Accumulation Unit Value:                                                                                                       
   Beginning of Period**                $1.022        $1.000       --               --            --            --          --   
   End of Period                        $1.178        $1.022       --               --            --            --          --   
                                                                                                                                  
   Number of Accumulation Units                                                                                                   
   Outstanding, End of Period         1,609,770     1,215,989      --               --            --            --          --    
                                                                                                                                  
International Equity Division                                                                                                     
   Accumulation Unit Value:                                                                                                       
   Beginning of Period***               $1.220        $1.236        $1.000          --            --            --          --   
   End of Period                        $1.380        $1.220        $1.236          --            --            --          --   
                                                                                                                                  
   Number of Accumulation Units                                                                                                   
   Outstanding, End of Period        21,338,267    21,538,113     8,548,091         --            --            --          --    
                                                                                                                                  
<CAPTION>                                                                           
                                       1988          1987          1986
                                       ----          ----          ----    
<S>                                   <C>           <C>           <C>
Index 500 Stock Division        
   Accumulation Unit Value:     
   Beginning of Period*                --            --            --       
   End of Period                       --            --            --       
                                
   Number of Accumulation Units 
   Outstanding, End of Period          --            --            --   
                                
Select Bond Division            
   Accumulation Unit Value:     
   Beginning of Period               $3.144        $3.214        $2.778  
   End of Period                     $3.368        $3.144        $3.214  
                                
   Number of Accumulation Units 
   Outstanding, End of Period       1,106,292     923,256      1,206,396
                                
Money Market Division           
   Accumulation Unit Value:     
   Beginning of Period               $1.526        $1.454        $1.383  
   End of Period                     $1.615        $1.526        $1.454  
                                
   Number of Accumulation Units 
   Outstanding, End of Period      7,909,585    5,326,926      3,314,410
                                
Balanced Division               
   Accumulation Unit Value:     
   Beginning of Period               $2.060        $1.978        $1.722  
   End of Period                     $2.217        $2.060        $1.978  
                                
   Number of Accumulation Units 
   Outstanding, End of Period      56,485,511    49,472,803   37,861,124
                                
Growth and Income Stock Division
   Accumulation Unit Value:     
   Beginning of Period**               --            --            --       
   End of Period                       --            --            --       
                                
   Number of Accumulation Units 
   Outstanding, End of Period          --            --            --   
                                
Growth Stock Division           
   Accumulation Unit Value:     
   Beginning of Period**               --            --            --       
   End of Period                       --            --            --       
                                
   Number of Accumulation Units 
   Outstanding, End of Period          --            --            --   
                                
Aggressive Growth Stock Division
   Accumulation Unit Value:     
   Beginning of Period*                --            --            --       
   End of Period                       --            --            --       
                                
   Number of Accumulation Units 
   Outstanding, End of Period          --            --            --   
                                
High Yield Bond Division        
   Accumulation Unit Value:     
   Beginning of Period**               --            --            --       
   End of Period                       --            --            --       
                                
   Number of Accumulation Units 
   Outstanding, End of Period          --            --            --   
                                
International Equity Division   
   Accumulation Unit Value:     
   Beginning of Period***              --            --            --       
   End of Period                       --            --            --       
                                
   Number of Accumulation Units 
   Outstanding, End of Period          --            --            --
</TABLE>
    

*   The initial investments in Index 500 Stock Division and the Aggressive 
    Growth Stock Division were made on December 12, 1990.
**  The initial investments in the Growth and Income Stock Division, Growth 
    Stock Division and High Yield Bond Division were made on May 3, 1994.
*** The initial investment in the International Equity Division was made on 
    April 30, 1993.

6

<PAGE>   10

   
<TABLE>
<CAPTION>
                                                     ACCUMULATION UNIT VALUES
                                            CONTRACTS ISSUED PRIOR TO DECEMBER 17, 1981
- ------------------------------------------------------------------------------------------------------------------------------------
                                                          FOR THE YEARS ENDED DECEMBER 31
                                      --------------------------------------------------------------------------------
                                         1995         1994          1993            1992           1991          1990     
                                         ----         ----          ----            ----           ----          ----     
<S>                                  <C>            <C>          <C>              <C>            <C>           <C>
Index 500 Stock Division        
   Accumulation Unit Value:     
   Beginning of Period*                 $1.499        $1.492        $1.370         $1.287        $1.000        $1.000     
   End of Period                        $2.042        $1.499        $1.492         $1.370        $1.287        $1.000     
                                
   Number of Accumulation Units 
   Outstanding, End of Period        10,111,615    10,735,943    12,320,684        242,871       33,349        13,511     
                                
Select Bond Division            
   Accumulation Unit Value:     
   Beginning of Period                  $5.515        $5.719        $5.222         $4.918        $4.239        $3.943     
   End of Period                        $6.520        $5.515        $5.719         $5.222        $4.918        $4.239     
                                
   Number of Accumulation Units 
   Outstanding, End of Period         1,172,420     1,266,751     1,389,667      1,411,347     1,590,698     1,590,884    
                                
Money Market Division           
   Accumulation Unit Value:     
   Beginning of Period                  $2.201        $2.131        $2.088         $2.035        $1.940        $1.810     
   End of Period                        $2.312        $2.201        $2.131         $2.088        $2.035        $1.940     
                                
   Number of Accumulation Units 
   Outstanding, End of Period         1,264,988     1,020,911      788,050       1,231,018     1,393,920     2,143,153    
                                
Balanced Division               
   Accumulation Unit Value:     
   Beginning of Period                  $3.667        $3.695        $3.398         $3.250        $2.642        $2.635  
   End of Period                        $4.601        $3.667        $3.695         $3.398        $3.250        $2.642     
                                
   Number of Accumulation Units 
   Outstanding, End of Period         5,651,599     6,525,821     7,060,303      8,324,438     8,795,056     9,637,964    
                                
Growth and Income Stock Division
   Accumulation Unit Value:     
   Beginning of Period**                $0.997       --            --                 --             --            --  
   End of Period                        $1.298       --            --                 --             --            --     
                                
   Number of Accumulation Units 
   Outstanding, End of Period            9,498       --            --                 --             --            --     
                                
Growth Stock Division           
   Accumulation Unit Value:     
   Beginning of Period**                $1.009       --            --                 --             --            --  
   End of Period                        $1.311       --            --                 --             --            --     
   Number of Accumulation Units 
   Outstanding, End of Period            1,782       --            --                 --             --            --     
                                
Aggressive Growth Stock Division
   Accumulation Unit Value:     
   Beginning of Period*                 $2.035        $1.945        $1.645         $1.564        $1.010        $1.000  
   End of Period                        $2.813        $2.035        $1.945         $1.645        $1.564        $1.010     
                                
   Number of Accumulation Units 
   Outstanding, End of Period           861,229       805,409       602,390        459,581       262,149        9,478     
                                                                                                                          
High Yield Bond Division      
   Accumulation Unit Value:   
   Beginning of Period**                $1.025       --            --                 --             --            --  
   End of Period                        $1.188       --            --                 --             --            --     
                                                                                                                          
   Number of Accumulation Units    
   Outstanding, End of Period              --        --            --                 --             --            --     
                                                                                                                          
International Equity Division      
   Accumulation Unit Value:        
   Beginning of Period***               $1.230        $1.240        $1.000            --             --            --  
   End of Period                        $1.398        $1.230        $1.240            --             --            --     
                                                                                                                          
   Number of Accumulation Units                                                                                           
   Outstanding, End of Period         1,166,796     1,529,309      912,421            --             --            --     
                                                                              

<CAPTION>
                                            1988          1987          1986
                                            ----          ----          ----    
<S>                                      <C>            <C>           <C>
Index 500 Stock Division              
   Accumulation Unit Value:           
   Beginning of Period*                      --            --            --
   End of Period                             --            --            --
                                      
   Number of Accumulation Units       
   Outstanding, End of Period                --            --            --
                                      
Select Bond Division                  
   Accumulation Unit Value:           
   Beginning of Period                      $3.241        $3.296        $2.835
   End of Period                            $3.488        $3.241        $3.296
                                      
   Number of Accumulation Units       
   Outstanding, End of Period             1,879,354     2,070,201     2,587,159
                                      
Money Market Division                 
   Accumulation Unit Value:           
   Beginning of Period                      $1.573        $1.491        $1.411
   End of Period                            $1.673        $1.573        $1.491
                                      
   Number of Accumulation Units       
   Outstanding, End of Period             1,832,118     1,594,403     1,198,963
                                      
Balanced Division                     
   Accumulation Unit Value:           
   Beginning of Period                      $2.123        $2.028        $1.757
   End of Period                            $2.296        $2.123        $2.028
                                      
   Number of Accumulation Units       
   Outstanding, End of Period             11,609,029    12,552,456    12,599,497
                                      
Growth and Income Stock Division      
   Accumulation Unit Value:           
   Beginning of Period**                     --            --            --  
   End of Period                             --            --            --
                                      
   Number of Accumulation Units       
   Outstanding, End of Period                --            --            --
                                      
Growth Stock Division                 
   Accumulation Unit Value:           
   Beginning of Period**                     --            --            --  
   End of Period                             --            --            --
   Number of Accumulation Units       
   Outstanding, End of Period                --            --            --
                                      
Aggressive Growth Stock Division      
   Accumulation Unit Value:           
   Beginning of Period*                      --            --            --  
   End of Period                             --            --            --
                                      
   Number of Accumulation Units       
   Outstanding, End of Period                --            --            --
                                      
High Yield Bond Division              
   Accumulation Unit Value:           
   Beginning of Period**                     --            --            --  
   End of Period                             --            --            --
                                      
   Number of Accumulation Units       
   Outstanding, End of Period                --            --            --
                                      
International Equity Division         
   Accumulation Unit Value:           
   Beginning of Period***                    --            --            --  
   End of Period                             --            --            --
                                      
   Number of Accumulation Units       
   Outstanding, End of Period                --            --            --
</TABLE>
    

*   The initial investments in the Index 500 Stock Division and Aggressive 
    Growth Stock Division were made on December 12, 1990.
**  The initial investments in the Growth and Income Stock Division, Growth 
    Stock Division and High Yield Bond Division were made on May 3, 1994.
*** The initial investment in the International Equity Division was made on 
    April 30, 1993.


                                                                               7


<PAGE>   11


   
THE COMPANY
    

   
     The Northwestern Mutual Life Insurance Company was organized by a
special act of the Wisconsin Legislature in 1857. It is the nation's
sixth largest life insurance company, based on total assets in excess of
$54 billion on December 31, 1995, and is licensed to conduct a
conventional life insurance business in the District of Columbia and in
all states of the United States. Northwestern Mutual Life sells life and
disability income insurance policies and annuity contracts through its
own field force of approximately 6,000 full time producing agents. The
Home Office of Northwestern Mutual Life is located at 720 East Wisconsin
Avenue, Milwaukee, Wisconsin 53202.
    

- --------------------------------------------------------------------------------
NML VARIABLE ANNUITY ACCOUNT A

     The Account was established on February 14, 1968 by the Board of
Trustees of Northwestern Mutual Life in accordance with the provisions
of the Wisconsin insurance law to facilitate the issuance of the
Contracts.

     The Account has nine Divisions. Considerations paid to Northwestern
Mutual Life to provide variable benefits under the Contracts are
allocated to one or more of the Divisions as directed by the Owner of
the Contract. Assets allocated to the Index 500 Stock, Select Bond,
Money Market, Balanced, Growth and Income Stock, Growth Stock,
Aggressive Growth Stock, High Yield Bond and International Equity
Divisions are simultaneously invested in shares of the corresponding
Portfolios of Northwestern Mutual Series Fund, Inc.

     Under Wisconsin law, the income, gains or losses, realized or
unrealized, of the Account are credited to or charged against the
Account in accordance with the Contracts, without regard to other
income, gains or losses of Northwestern Mutual Life. The assets of the
Account are owned by Northwestern Mutual Life and it is not a trustee
with respect thereto. However, such assets are not chargeable with any
liabilities arising out of any other separate account or other business
of Northwestern Mutual Life. All obligations arising under the Contracts
are general obligations of Northwestern Mutual Life.  Shares of the Fund
held in the Account will be voted in the discretion of Northwestern
Mutual Life.

- --------------------------------------------------------------------------------
THE FUND

     Northwestern Mutual Series Fund, Inc. is a mutual fund of the
series type registered under the Investment Company Act of 1940 as an
open-end diversified management investment company. The Fund is composed
of nine separate portfolios which operate as separate mutual funds.  The
portfolios are the Index 500 Stock Portfolio, the Select Bond Portfolio,
the Money Market Portfolio, the Balanced Portfolio, the Growth and
Income Stock Portfolio, the Growth Stock Portfolio, the Aggressive
Growth Stock Portfolio, the High Yield Bond Portfolio and the
International Equity Portfolio.  Shares of each Portfolio of the Fund
will be purchased by the corresponding Division of the Account at net
asset value, that is, without any sales charge.

     Northwestern Mutual Investment Services, Inc. ("NMIS"), a
wholly-owned subsidiary of Northwestern Mutual Life, is the investment
adviser to the Fund. Northwestern Mutual Life provides certain personnel
and facilities utilized by NMIS in performing its investment advisory
functions, and Northwestern Mutual Life is a party to the investment
advisory agreement.  J.P. Morgan Investment Management, Inc. and
Templeton Investment Counsel, Inc. have been retained under investment
sub-advisory agreements to provide investment advice to the Growth and
Income Stock Portfolio and the International Equity Portfolio,
respectively.

     FOR MORE INFORMATION REGARDING THE FUND AND ITS PORTFOLIOS,
INCLUDING INFORMATION ABOUT THEIR INVESTMENT OBJECTIVES AND EXPENSES,
SEE THE PROSPECTUS FOR THE FUND ATTACHED HERETO. AN INVESTOR SHOULD READ
THE FUND'S PROSPECTUS CAREFULLY BEFORE INVESTING IN THE CONTRACTS.

- --------------------------------------------------------------------------------
THE CONTRACTS

PURCHASE PAYMENTS UNDER THE CONTRACTS

AMOUNT AND FREQUENCY  Purchase payments may be paid monthly, quarterly,
semiannually, annually or on any other frequency acceptable to
Northwestern Mutual Life.

     For Back Load Contracts the minimum amount for each purchase
payment is $25. Northwestern Mutual Life will accept larger purchase
payments than due, or payments at other times, but total purchase
payments under any Contract may not exceed $5,000,000 without the
consent of Northwestern Mutual Life.  For Front Load Contracts the
minimum initial purchase payment is $10,000. The minimum amount for each
subsequent purchase payment is $25 for all Contracts.



8
<PAGE>   12


     Purchase payments may not exceed the applicable limits of the Code.
See "Federal Income Taxes", p. 13.

APPLICATION OF PURCHASE PAYMENTS  Net purchase payments, after deduction
of any sales load, are credited by Northwestern Mutual Life to the
Account and allocated to one or more Divisions in accordance with the
direction of the Owner. Assets allocated to each Division will thereupon
be invested in shares of the Portfolio which corresponds to that
Division.

     Purchase payments are applied to provide "Accumulation Units" in
one or more Divisions. Accumulation Units represent the interest of an
Owner in the Account. The number of Accumulation Units provided by each
net purchase payment is determined by dividing the amount of the
purchase payment to be allocated to a Division by the value of an
Accumulation Unit in that Division, based upon the valuation of the
assets of the Division next following receipt of the purchase payment at
the Home Office of Northwestern Mutual Life. Receipt of purchase
payments at a lockbox facility designated by Northwestern Mutual Life
will be considered the same as receipt at the Home Office. Assets are
valued as of the close of trading on the New York Stock Exchange for
each day the Exchange is open, and at any other time required by the
Investment Company Act of 1940.

     The number of an Owner's Accumulation Units will be increased by
additional purchase payments or transfers into the Account and decreased
by withdrawals or transfers out of the Account. The investment
experience of the Account does not change the number (as distinguished
from the value) of Accumulation Units.

     The value of an Accumulation Unit in each Division varies with the
investment experience of the Division (which in turn is determined by
the investment experience of the corresponding Portfolio of the Fund),
and is determined by multiplying the value on the immediately preceding
valuation date by the net investment factor for the Division. (See "Net
Investment Factor", below.) Since the Owner bears the investment risk,
there is no guarantee as to the aggregate value of Accumulation Units;
such value may be less than, equal to or more than the cumulative net
purchase payments.

     All or part of a purchase payment may be directed to the Guaranteed
Interest Fund and invested on a fixed basis.  See "The Guaranteed
Interest Fund", p. 13.

NET INVESTMENT FACTOR

     For each Division the net investment factor for any period ending
on a valuation date is 1.000000 plus the net investment rate for the
Division for that period. Under the Contract the net investment rate is
related to the assets of the Division. However, since all amounts are
simultaneously invested in shares of the corresponding Portfolio when
allocated to the Division, calculation of the net investment rate for
each of the Divisions may also be based upon the change in value of a
single share of the corresponding Portfolio.

     Thus, for example, in the case of the Balanced Division the net
investment rate is equal to (a) the change in the net asset value of a
Balanced Portfolio share for the period from the immediately preceding
valuation date up to and including the current valuation date, plus the
per share amount of any dividends and other distributions made by the
Balanced Portfolio during the valuation period, less a deduction for any
applicable taxes or for any expenses resulting from a substitution of
securities, (b) divided by the net asset value of a Balanced Portfolio
share on the valuation date immediately preceding the current valuation
date, (c) less an adjustment to provide for the deduction for mortality
rate and expense risks assumed by Northwestern Mutual Life. (See
"Deductions", p. 14.)  A penalty tax will apply to premature payments of
Contract benefits.  A penalty tax of 10% of the amount of the payment
which is includible in income will be imposed on non-exempt withdrawals
under individual retirement annuities, tax deferred annuities and
nonqualified deferred annuities.  Payments which are exempt from the
penalty tax include payments upon disability, after age 59-1/2 or as
substantially equal periodic payments for life.

     Investment income and realized capital gains will be received in
the form of dividend and capital gain distributions upon Portfolio
shares held by each Division; such distributions will be reinvested in
additional shares of the same Portfolio. Unrealized capital gains and
realized and unrealized capital losses will be reflected by changes in
the value of the shares held by the Account.

BENEFITS PROVIDED UNDER THE CONTRACTS

     The benefits provided under the Contracts consist of a withdrawal
amount, a death benefit and a maturity benefit. Subject to the
restrictions noted below, all of these benefits may be paid in a lump
sum or under the payment plans described below.


                                                                               9


<PAGE>   13


WITHDRAWAL AMOUNT  On or prior to the maturity date the Owner is
entitled to withdraw the Accumulation Units credited to his Contract and
receive the value thereof less the applicable withdrawal charge. (See
"Withdrawal Charge", p. 15.)  The value, which may be either greater or
less than the amount paid by the Owner, is determined as of the
valuation date coincident with or next following receipt by Northwestern
Mutual Life of a written request for withdrawal on a form provided by
Northwestern Mutual Life. The forms are available from the Home Office
and agents of Northwestern Mutual Life. A portion of the Accumulation
Units may be withdrawn on the same basis, except Northwestern Mutual
Life will not grant a partial withdrawal which would result in less than
100 Accumulation Units remaining; a request for such a partial
withdrawal will be treated as a request to surrender the entire
Contract. Amounts distributed to an Annuitant upon withdrawal of all or
a portion of Accumulation Units may be subject to federal income tax.
(See "Federal Income Taxes", p. 13.)  A 10% penalty tax may be imposed
on the taxable portion of premature payments of benefits (prior to age
59-1/2 or disability) unless payments are made after the employee
separates from service and payments are either paid in substantially
equal installments over the life or life expectancy of the employee or
are paid on account of early retirement after age 55.

     If annuity payments are being made under Payment Plan 1 the payee
may surrender the Contract and receive the value of the Annuity Units
credited to his Contract, less the applicable withdrawal charge. (See
"Withdrawal Charge", p. 15.) Upon death during the certain period of the
payee under Plan 2 or both payees under Plan 3, the beneficiary may
surrender the Contract and receive the withdrawal value of the unpaid
payments for the certain period.  The withdrawal value is based on the
Annuity Unit value on the withdrawal date, with the unpaid payments
discounted at the Assumed Investment Rate.  (See "Description of Payment
Plans", below.)

DEATH BENEFIT  Upon the death of the Annuitant prior to the maturity
date, Northwestern Mutual Life will pay to the direct beneficiary a
death benefit equal to the Contract value, as of the valuation date
coincident with or next following the date on which proof of death is
received at the Home Office of Northwestern Mutual Life or, if later,
the date on which a method of payment is elected. If death occurs prior
to the Annuitant's 65th birthday the death benefit, where permitted by
state law, will be not less than the amount of purchase payments
received by Northwestern Mutual Life under the Contract, less
withdrawals. The death benefit may be paid either in a lump sum or under
a payment plan.

MATURITY BENEFIT  Purchase payments under the Contract are payable until
the maturity date specified in the Contract. Any date up to age 90 may
be selected as the maturity date, subject to applicable requirements of
the Code. On the maturity date, if no other permissible payment plan has
been elected, the maturity date will be changed to the Contract
anniversary nearest the Annuitant's 90th birthday.  On that date, if no
other permissible payment plan has been elected, the value of the
Contract will be paid in monthly payments for life under a variable
payment plan with payments certain for ten years.

VARIABLE PAYMENT PLANS

     Part or all of the benefits under a Contract may be paid under a
variable payment plan. Under a variable plan the payee bears the entire
investment risk, since no guarantees of investment return are made.
Accordingly, there is no guarantee of the amount of the variable
payments, and the amount of such payments can be expected to change from
month to month.  For a discussion of tax considerations and limitations
regarding the election of payment plans, see "Federal Income Taxes", p. 13.

DESCRIPTION OF PAYMENT PLANS  The following payment plans are available:

        1. Payments for a Certain Period. An annuity payable monthly for
   a specified period of five to 30 years.

        2. Life Annuity with or without Certain Period. An annuity payable
   monthly until the payee's death, or until the expiration of a selected
   certain period, whichever is later. After the payee's death during the
   certain period, if any, payments becoming due are paid to the designated
   contingent beneficiary. A certain period of either 10 or 20 years may be
   selected, or a plan with no certain period may be chosen.

        3. Joint and Survivor Life Annuity with Certain Period. An annuity
   payable monthly for a certain period of 10 years and thereafter to two
   persons for their joint lives. On the death of either payee, payments
   continue for the remainder of the 10 years certain or the remaining lifetime
   of the survivor, whichever is longer.

   Northwestern Mutual Life may limit the election of a payment plan to one
   that results in payments of at least $20.

     From time to time Northwestern Mutual Life may establish payment plan
rates with greater actuarial value than those stated in the Contract and make
them available at the time of settlement. Northwestern Mutual Life may also
make available other payment plans, with provisions and rates as published by
Northwestern Mutual Life for those plans.



10
<PAGE>   14


AMOUNT OF ANNUITY PAYMENTS  The amount of the first annuity payment will be
determined on the basis of the particular payment plan selected, the annuity
payment rate and, for plans involving life contingencies, the Annuitant's
adjusted age. Variable annuity payments after the first will vary from month to
month to reflect the fluctuating value of the Annuity Units credited to the
Contract. Annuity Units represent the interest of the Contract in each Division
of the Account after annuity payments begin.

ASSUMED INVESTMENT RATE  The variable annuity rate tables for the Contracts are
based upon an Assumed Investment Rate of 3 1/2%. Variable annuity rate tables
based upon an Assumed Investment Rate of 5% are also available where permitted
by state law.

     The Assumed Investment Rate affects both the amount of the first variable
payment and the amount by which subsequent payments increase or decrease. The
Assumed Investment Rate does not affect the actuarial value of the future
payments as of the date when payments begin, though it does affect the actual
amount which may be received by an individual Annuitant.

     Over a period of time, if each Division achieved a net investment result
exactly equal to the Assumed Investment Rate applicable to a particular payment
plan, the amount of annuity payments would be level. However, if the Division
achieved a net investment result greater than the Assumed Investment Rate, the
amount of annuity payments would increase. Similarly, if the Division achieved
a net investment result smaller than the Assumed Investment Rate, the amount of
annuity payments would decrease.

     A higher Assumed Investment Rate will result in a larger initial payment
but more slowly rising and more rapidly falling subsequent payments than a
lower Assumed Investment Rate.

ADDITIONAL INFORMATION

TRANSFERS BETWEEN DIVISIONS AND PAYMENT PLANS  The Contracts provide
considerable flexibility for Owners to change the allocation of purchase
payments among the Divisions and to transfer values from one Division to
another both before and after annuity payments begin. In order to take full
advantage of these features Owners should carefully consider, on a continuing
basis, which Division or apportionment is best suited to their long-term
investment needs.

     A Contract Owner may at any time change the allocation of purchase
payments among the Divisions by written notice to Northwestern Mutual Life.
Purchase payments received at the Home Office of Northwestern Mutual Life on
and after the date on which the notice is received will be applied to provide
Accumulation Units in one or more Divisions on the basis of the new allocation.

     Before the effective date of a payment plan the owner may, upon written
request, transfer Accumulation Units from one Division to another. After the
effective date of a payment plan the payee may transfer Annuity Units from one
Division to another. The number of Accumulation or Annuity Units to be credited
will be adjusted to reflect the respective value of the Accumulation and
Annuity Units in each of the Divisions. For Accumulation Units the minimum
amount which may be transferred is the lesser of $100 or the entire value of
the Accumulation Units in the Division from which the transfer is being made.
For each transfer beginning with the thirteenth in any Contract year a transfer
fee of $25 may be deducted from the amount transferred. No charge is currently
being made for transfers.

     Owners who contemplate the transfer of funds from one Division to another
should consider the risk inherent in a switch from one investment medium to
another. In general, frequent transfers based on short-term expectations for
the stock and bond markets, especially transfers of large sums, will tend to
accentuate the danger that a transfer will be made at an inopportune time.

     Amounts which have been invested on a fixed basis may be transferred to
any Division of the Account, and the value of Accumulation Units in any
Division of the Account may be transferred to the Guaranteed Interest Fund for
investment on a fixed basis, subject to the restrictions described in the
Contract.  See "The Guaranteed Interest Fund", p. 13.

     After the effective date of a payment plan which does not involve a life
contingency (i.e., Plan 1) a payee may transfer to either form of life annuity
at no charge. The value of the remaining payments will be applied to the new
plan selected, with the amount of the first annuity payment under the new plan
being determined on the basis of the particular plan selected, the annuity
payment rate and the Annuitant's adjusted age and sex. Subsequent payments will
vary to reflect changes in the value of the Annuity Units credited.  Other
transfers between payment plans are permitted subject to such limitations as
Northwestern Mutual Life may reasonably determine. Generally, however, transfer
is not permitted from a payment plan involving a life contingency to a payment
plan which does not involve the same life contingency.


                                                                              11


<PAGE>   15


     Transfers from the Money Market Division may be made at any time while a
payment plan is in force. The Contracts provide that transfers between the
other Divisions and transfers between payment plans may be made after the
payment plan has been in force for at least 90 days and thereafter whenever at
least 90 days have elapsed since the date of the last transfer. At present
Northwestern Mutual Life permits transfers at any time. The transfer will be
made as of the close of business on the valuation date coincident with or next
following the date on which the request for transfer is received at the Home
Office of Northwestern Mutual Life, or at a later date if requested.

GENDER-BASED ANNUITY PAYMENT RATES  Federal law, and the laws of certain
states, may require that annuity considerations and annuity payment rates be
determined without regard to the sex of the Annuitant. Because the Contracts
are offered for use with HR-10 Plans where these rules may have general
application, the annuity payment rates in the Contracts do not distinguish
between male and female Annuitants. However, Contracts with sex-distinct rates
are available on request. Prospective purchasers of the Contracts are urged to
review any questions in this area with qualified counsel.

OWNERS OF THE CONTRACTS  The Owner of the Contract has the sole right to
exercise all rights and privileges under the Contract, except as the Contract
otherwise provides. The Owner is ordinarily the retirement plan, but may be the
employer or the Annuitant or other person. The Annuitant is the person upon
whose life the Contract is issued and Contract benefits depend.  Following the
death of the Annuitant any remaining Contract benefits are payable to a
beneficiary or contingent beneficiary named in the Contract.

DISABILITY PROVISION  A Contract may include, as an optional benefit, a
provision under which Northwestern Mutual Life will continue to pay purchase
payments during the total disability of the Annuitant. Each Contract containing
this provision specifies the additional cost of such benefit.

DEFERMENT OF BENEFIT PAYMENTS  Northwestern Mutual Life reserves the right to
defer determination of the withdrawal value of the Contracts, or the payment of
benefits under a variable payment plan, until after the end of any period
during which the right to redeem Fund shares is suspended, or payment of the
redemption value is postponed, and for any period during which the New York
Stock Exchange is closed or trading thereon is restricted or an emergency
exists, so that valuation of the assets of the Fund or disposal of securities
held by it is not reasonably practical; or as such deferment is otherwise
permitted by applicable law.

DIVIDENDS  The Contracts share in the divisible surplus of Northwestern Mutual
Life, except while payments are being made under a variable payment plan.  The
divisible surplus of Northwestern Mutual Life is determined annually for the
following year.  State law requires that the surplus be distributed equitably
among participating contracts.  Distributions of divisible surplus are commonly
referred to as  dividends".

     Northwestern Mutual Life is paying dividends on approximately 10% of its
inforce individual variable annuities in 1996.  Dividends are not guaranteed to
be paid in future years.  The dividend amount is volatile since it is based on
the average variable Contract value which is defined as the value of the
Accumulation units on the last Contract anniversary adjusted to reflect any
transactions since that date which increased or decreased the Contract's
interest in the Account.

     Dividends on variable annuities arise principally as a result of more
favorable expense experience than that assumed in determining deductions.  Such
favorable experience is generated primarily by older and/or larger Contracts.
In general, Contracts with an average variable Contract value of less than
$30,000 will not receive dividends, and only about half of those with a value
above $30,000 will receive them.

   
     Any dividend for a Contract is paid on the anniversary date of that
Contract.  The dividend is applied as a net purchase payment unless the Owner
elects to have the dividend paid in cash.
    

SUBSTITUTION AND CHANGE  Pursuant to authority of the Board of Trustees of
Northwestern Mutual Life (a) the assets of a Division may be invested in
securities other than Fund shares as a substitute for such shares already
purchased or as the securities to be purchased in the future, or (b) the
provisions of the Contracts may be modified to assure qualification for the
benefits provided by the provisions of the Internal Revenue Code relating to
retirement annuity or variable annuity contracts, or to comply with any other
applicable federal or state laws. In the event of any such substitution or
change, Northwestern Mutual Life may make appropriate endorsement on Contracts
having an interest in the Account and take such other action as may be
necessary to effect the substitution or change.

FIXED ANNUITY PAYMENT PLANS  Contract benefits may also be paid under fixed
annuity payment plans which are not described in this Prospectus. If a fixed
annuity is selected the Accumulation Units credited to a Deferred Contract will
be cancelled, the withdrawal value of the Contract will be transferred to the
general account of Northwestern Mutual Life,


12
<PAGE>   16


and the payee will no longer have any interest in the Account. A withdrawal
charge may be applicable in determining the withdrawal value. (See "Withdrawal
Amount", p. 10, and "Withdrawal Charge", p. 15.)

FINANCIAL STATEMENTS  Financial statements of the Account and financial
statements of Northwestern Mutual Life appear in the Statement of Additional
Information.

- --------------------------------------------------------------------------------
THE GUARANTEED INTEREST FUND

     Contract Owners may direct all or part of their purchase payments to the
Guaranteed Interest Fund for investment on a fixed basis.  Amounts previously
invested in the Account Divisions may be transferred to the Guaranteed Interest
Fund, prior to the maturity date, and amounts in the Guaranteed Interest Fund
may be transferred to the Account Divisions subject, in each case, to the
restrictions described in the Contract.

     Amounts invested in the Guaranteed Interest Fund become part of the
general assets of Northwestern Mutual Life.  In reliance on certain exemptive
and exclusionary provisions, interests in the Guaranteed Interest Fund have not
been registered under the Securities Act of 1933 and the Guaranteed Interest
Fund has not been registered as an investment company under the Investment
Company Act of 1940.  Accordingly, neither the Guaranteed Interest Fund nor any
interests therein are generally subject to these Acts.  Northwestern Mutual
Life has been advised that the staff of the Securities and Exchange Commission
has not reviewed the disclosure in this prospectus relating to the Guaranteed
Interest Fund.  This disclosure, however, may be subject to certain generally
applicable provisions of the federal securities laws relating to the accuracy
and completeness of statements made in prospectuses.

     Amounts invested in the Guaranteed Interest Fund earn interest at rates
declared by Northwestern Mutual Life from time to time.  The interest rate will
be guaranteed for each amount for at least one year and will be at an annual
effective rate of not less than 3%.  At the expiration of the period for which
the interest rate is guaranteed a new interest rate may apply.  Interest is
credited and compounded daily.  The effective date for a transaction involving
the Guaranteed Interest Fund is determined in the same manner as the effective
date for a transaction involving a Division of the Account.

     Investments in the Guaranteed Interest Fund are subject to a maximum of
$1,000,000 without prior consent of Northwestern Mutual Life.  To the extent
that a purchase payment or transfer from a Division of the Account causes the
Contract's interest in the Guaranteed Interest Fund to exceed $1,000,000, the
amount of the excess will be placed in the Money Market Division and will
remain there until the Contract Owner instructs otherwise.

     Transfers from the Guaranteed Interest Fund to the Account Divisions are
subject to strict limits described in the Contract.  After a transfer from the
Guaranteed Interest Fund no further transfers either to or from the Guaranteed
Interest Fund will be allowed for a period of 365 days.  The maximum amount
that maybe transferred from the Guaranteed Interest Fund in one transfer is the
greater of (1) 20% of the amount that was invested in the Guaranteed Interest
Fund as of the last Contract anniversary preceding the transfer and (2) the
amount of the most recent transfer from the Guaranteed Interest Fund.  But in
no event will this maximum transfer amount be less than $1,000 or more than
$50,000.

     The deduction for mortality rate and expense risks, as described below, is
not assessed against amounts in the Guaranteed Interest Fund, and amounts in
the Guaranteed Interest Fund do not bear any expenses of Northwestern Mutual
Series Fund, Inc.  Other charges under the Contracts apply for amounts in the
Guaranteed Interest Fund as they are described in this prospectus for amounts
invested on a variable basis.  See "Deductions", p. 14.  For purposes of
allocating and deducting the annual Contract fee, any investment in the
Guaranteed Interest Fund is considered as though it were an investment of the
same amount in one of the Account Divisions.

- --------------------------------------------------------------------------------
FEDERAL INCOME TAXES

TAXATION OF CONTRACT BENEFITS

     The Contracts are offered only for use under tax-qualified plans meeting
the requirements of Sections 401 and 403(a) of the Code. However, in the event
Contracts should be issued pursuant to HR-10 Plans, trusts or custodial
accounts which at the time of issuance are not qualified under the Code, some
or all of the tax benefits described herein may be lost.

     No tax is payable as a result of any increase in the value of a Contract
until benefits from the Contract are received. Benefits received as annuity
payments will be taxable as ordinary income when received in accordance with
Section 72 of the Code. As a general rule, where an employee makes
nondeductible contributions to the Plan, the payee may exclude from income that
portion of each benefit payment which represents a return of the employee's
"investment in the contract" as defined in Section 72 until the entire
"investment in the contract" is recovered. A 15% penalty tax may be imposed

                                                                              13


<PAGE>   17


on aggregate payments in excess of certain annual limits and a 50% penalty tax
may be imposed on payments to the extent they are less than certain required
minimum amounts. In addition, a 10% penalty tax may be imposed on benefits paid
in excess of the benefits provided under the Plan formula if the payee is or
was a "5% owner" of the employer while a participant in the Plan.

     Benefits paid in a form other than an annuity will be taxed as ordinary
income when received except for that portion of the payment, if any, which
represents a return of the employee's "investment in the contract." Benefits
received as a "lump sum distribution" may be eligible for a separate tax
averaging calculation and, with certain limited exceptions, all benefits are
subject to the tax-free rollover provisions of the Code. A 10% penalty tax may
be imposed on the taxable portion of premature payments of benefits (prior to
age 59-1/2 or disability) unless payments are made after the employee separates
from service and payments are either paid in substantially equal installments
over the life or life expectancy of the employee or are paid on account of
early retirement after age 55.

     A loan from the Plan to an employee, other than an owner-employee, may be
taxable as ordinary income depending on the amount and terms of the loan. A
loan to an owner-employee is a prohibited transaction under the Code and could
disqualify the Plan.

     Benefit payments will be subject to mandatory 20% withholding unless (1)
they are rolled over directly to another tax-qualified plan or an individual
retirement arrangement, (2) they are paid in substantially equal installments
over the life or life expectancy of the employee (or of the employee and the
employee's beneficiary) or over a period of 10 years or more, or (3) they are
"required minimum distributions" payable after age 70 1/2.

     The rules governing Plan provisions, payments and deductions and taxation
of distributions from such Plans and Trusts, as set forth in the Code and the
regulations relating thereto, are complex and cannot be readily summarized.
Furthermore, special rules are applicable in many situations, and prospective
purchasers desiring to adopt an HR-10 pension or profit-sharing plan or trust
are advised to consult qualified tax counsel.

TAXATION OF NORTHWESTERN MUTUAL LIFE

     Northwestern Mutual Life may charge the appropriate Contracts with their
shares of any tax liability which may result from the maintenance or operation
of the Divisions of the Account. No charge is currently being made. (See "Net
Investment Factor", p. 9 and "Deductions", below.)

- --------------------------------------------------------------------------------
DEDUCTIONS

     The following deductions will be made:

        1. Sales Load.  For the Front Load Contract a sales load is deducted
   from all purchase payments received.  The deduction is based on cumulative
   purchase payments received and the rates in the table below:


<TABLE>
        Cumulative Purchase Payments
        Paid Under the Contract
                                                 Rate

        <S>                                      <C>
        First $100,000 .......................... 4.0%
        Next $400,000 ........................... 2.0%
        Next $500,000 ........................... 1.0%
        Balance over $1,000,000 ................. 0.5%
</TABLE>

        2. Deductions for Mortality Rate and Expense Risks. The net investment
   factor (see "Net Investment Factor", p. 9) used in determining the value of
   Accumulation and Annuity Units reflects a deduction on each valuation date
   for mortality rate and expense risks assumed by Northwestern Mutual Life.
   For the Front Load Contract, the deduction from Accumulation Units is at a
   current annual rate of 0.4% of the assets of the Account, while the
   deduction from Annuity Units is zero.  For the Back Load Contract the
   deduction is at a current annual rate of 1.25% of the assets of the Account.
   The deduction may be increased or decreased by the Board of Trustees of
   Northwestern Mutual Life, but in no event may the deduction exceed an annual
   rate of .75% for the Front Load Contract and 1.50% for the Back Load
   Contract. This deduction is the only expense item paid by the Account to
   date. The Fund pays expenses which are described in the attached prospectus
   for the Fund.

        The risks assumed by Northwestern Mutual Life are (a) the risk that
   annuity payments will continue for longer periods than anticipated because
   the Annuitants as a group live longer than expected, and (b) the risk that
   the charges made by Northwestern Mutual Life may be insufficient to cover
   the actual costs incurred in connection with the Contracts. Northwestern
   Mutual Life assumes these risks for the duration of the Contract.



14
<PAGE>   18


        The net investment factor also reflects the deduction of any reasonable
   expenses which may result if there were a substitution of other securities
   for shares of a Portfolio of the Fund as described under "Substitution and
   Change", p. 12, and any applicable taxes, i.e., any tax liability paid or
   reserved for by Northwestern Mutual Life resulting from the maintenance or
   operation of a Division of the Account, other than applicable premium taxes
   which may be deducted directly from considerations. It is not anticipated
   that any deduction will be made for federal income taxes (see "Federal
   Income Taxes", p. 13), nor is it anticipated that maintenance or operation
   of the Account will give rise to any deduction for state or local taxes.
   However, Northwestern Mutual Life reserves the right to charge the
   appropriate Contracts with their shares of any tax liability which may
   result under present or future tax laws from the maintenance or operation of
   the Account or to deduct any such tax liability in the computation of the
   net investment factor for such Contracts.

        3. Contract Fee. On each Contract anniversary prior to the maturity
   date a deduction of $30 is made for administrative expenses relating to a
   Deferred Contract during the prior year. The charge is made by reducing the
   number of Accumulation Units credited to the Contract. For purposes of
   allocating and deducting the annual Contract fee, any investment in the
   Guaranteed Interest Fund is considered as though it were an investment of
   the same amount in one of the Account Divisions.  This charge may not be
   increased, and is intended only to reimburse Northwestern Mutual Life for
   its actual administrative expenses.  The charge is currently being waived if
   the Contract value on the Contract anniversary is $50,000 or more.

        4.  Withdrawal Charge.  For the Back Load Contract if Accumulation
   Units are withdrawn for cash a withdrawal charge for sales expenses will be
   deducted.  The withdrawal charge will be based on the Amount Categories and
   the Rates in the table below.  The amount in each Category is based on
   cumulative purchase payments made and on the number of Contract
   anniversaries that have occurred since each purchase payment was made.

<TABLE>
<CAPTION>
      AMOUNT                                    AMOUNT
      CATEGORY                 RATE             CATEGORY              RATE
      --------                 ----             --------              -----
      <S>                       <C>            <C>                     <C>
      Eight .................... 8%             Three ................. 3%
      Seven .................... 7              Two.................... 2
      Six ...................... 6              One.................... 1
      Five...................... 5              Zero................... 0
      Four...................... 4    

</TABLE>


   The first $100,000 of total purchase payments paid over the life of the
   Contract start out in Category Eight, the next $400,000 start out in
   Category Four, the next $500,000 start out in Category Two, and all
   additional purchase payments paid start out in Category One. As of each
   Contract anniversary, any amount in a Category moves to the next lower
   Category until the Contract anniversary on which that amount reaches
   Category Zero. The total withdrawal charge will be the sum of all the
   results calculated by multiplying the amount in each Category by the Rate
   for that Category. The amounts used to calculate the withdrawal charge will
   be limited to the value of the Contract benefits that are subject to the
   withdrawal charge. The amounts used will be taken from those Categories that
   produce the lowest withdrawal charge. However, any amounts used to determine
   the charge for a partial withdrawal will not be used to determine subsequent
   withdrawal charges. There is no withdrawal charge on the value of
   Accumulation Units withdrawn in excess of the total purchase payments paid
   under the Contract; but in the case of a partial withdrawal, the purchase
   payments paid under the Contract are deemed to be withdrawn first, except
   for amounts eligible for the withdrawal charge free amount described in the
   next paragraph.

        The withdrawal charge free amount is available on a Contract if the
   Contract value is at least $10,000 on the Contract anniversary preceding a
   withdrawal.  For each Contract year, the withdrawal charge free amount is
   equal to the lesser of 10% of the Contract value on the last Contract
   anniversary, and the amount by which the Contract value exceeds cumulative
   purchase payments as of the date of the withdrawal.  Eligible amounts
   withdrawn meeting these requirements will be taken first from the portion of
   the Contract value that exceeds cumulative purchase payments.  The
   withdrawal charge for any amounts not included in the withdrawal charge free
   amount will be based first on the purchase payments that have been paid.

        No withdrawal charge will be made upon the selection of a variable
   payment plan.  However, the withdrawal charge will be made if a withdrawal,
   or partial withdrawal, is made within five years after the beginning of a
   variable payment plan which is not contingent on the payee's life (Plan 1).
   For fixed payment plans the Contract provides for deduction of the
   withdrawal charge when the payment plan is selected.  By current
   administrative practice Northwestern Mutual Life will waive the withdrawal
   charge upon selection of a fixed payment plan for a certain

                                                                              15


<PAGE>   19


   period of 12 years or more (Plan 1) or any fixed payment plan which involves
   a life contingency (Plans 2 or 3) if the payment plan is selected after the
   Contract has been in force for at least one full year.

        5. Premium Taxes. The Contracts provide for the deduction of applicable
   premium taxes, if any, from purchase payments or from Contract benefits.
   Premium taxes are levied by various jurisdictions, and presently range from
   0% to 2.25% of total considerations. Many jurisdictions presently exempt
   from premium taxes annuities such as the Contracts. As a matter of current
   practice, Northwestern Mutual Life does not deduct premium taxes from
   purchase payments received under the Contracts or from Contract benefits.
   However, Northwestern Mutual Life reserves the right to deduct premium taxes
   in the future.

CONTRACTS ISSUED PRIOR TO MARCH 31, 1995

     For Contracts issued prior to March 31, 1995 and after December 16, 1981
there is no front-end sales load but there is a surrender charge of 8% on the
first $25,000 of considerations, 4% on the next $75,000 and 2% on
considerations in excess of $100,000, based on total cumulative considerations
paid under the Contract.  The surrender charge applicable for each
consideration reduces by 1% on each Contract anniversary.  A surrender charge
free corridor is available on the same basis described above for the current
Contracts.  The charge for mortality and expense risks for those Contracts is
1.25% of the assets of the Account.  The annual Contract fee is the lesser of
$30 or 1% of the Contract value.

CONTRACTS ISSUED PRIOR TO DECEMBER 17, 1981

     For Contracts issued prior to December 17, 1981 there is no surrender
charge, but considerations are subject to a deduction of 8% for sales expenses.
The deduction is reduced to 4% on considerations in excess of $5,000 received
during a single Contract year as defined in the Contract, 2% on the next
$75,000 and 1% on the excess over $100,000. The charge for mortality rate and
expense risks for those Contracts is .75% of the assets of the Account, which
may be raised to a maximum annual rate of 1%. There is no annual Contract fee.

REDUCED CHARGES FOR EXCHANGE TRANSACTIONS

     As a matter of current practice, owners of fixed dollar annuities
previously issued by Northwestern Mutual Life are permitted to exchange those
contracts for Front Load or Back Load Contracts without paying a second charge
for sales expenses. This rule is subject to a number of exceptions and
qualifications and may be changed or withdrawn at any time.

     In general, a $25 administrative charge is made on these exchange
transactions and only one such transaction may be effected in any 12-month
period. Transactions on this basis are subject to a limit of 20% of the amount
held under the fixed annuity contract in any 12-month period, but this limit is
presently being waived.

     Amounts exchanged from a fixed contract which provides for a surrender
charge are not charged for sales expenses when the exchange is effected and are
placed in the same withdrawal charge category under the new Back Load Contract
as they were before.

     Exchange proceeds from fixed contracts which have no surrender charge
provisions are placed in the 0% withdrawal charge category. As an alternative,
exchange proceeds from such a fixed contract may be added to a Front Load
Contract or to a Deferred Contract issued prior to December 17, 1981 without
any deduction for sales expenses.

     Fixed annuity contracts (which are not described in this prospectus) are
available in exchange for the Contracts on a comparable basis.

- --------------------------------------------------------------------------------
DISTRIBUTION OF THE CONTRACTS

     The Contracts will be sold through individuals who, in addition to being
licensed insurance agents of Northwestern Mutual Life, are registered
representatives of Northwestern Mutual Investment Services, Inc., a
wholly-owned subsidiary of Northwestern Mutual Life, and a registered
broker-dealer under the Securities Exchange Act of 1934, and a member of the
National Association of Securities Dealers. Where state law requires, such
agents will also be licensed securities salesmen. Commissions paid to the
agents on sales of the Contracts will not exceed 4% of purchase payments.



16
<PAGE>   20



                     TABLE OF CONTENTS FOR THIS PROSPECTUS

<TABLE>
<CAPTION>
                                                     PAGE                                                                PAGE
                                                     ----                                                                ----
<S>                                                  <C>               <C>                                               <C>
INDEX OF SPECIAL TERMS  ...........................   2                 Assumed Investment Rate ........................  11
SYNOPSIS ..........................................   2                Additional Information ..........................  11
  The Contracts ...................................   2                 Transfers Between Divisions and       
  The Fund ........................................   2                   Payment Plans ................................  11
  Deductions and Charges ..........................   2                 Gender-Based Annuity Payment          
  Right to Examine Deferred Contract ..............   2                   Rates ........................................  12
  Penalty Tax on Premature Payments  ..............   2                 Owners of the Contracts ........................  12
EXPENSE TABLE .....................................   2                 Disability Provision ...........................  12
ACCUMULATION UNIT VALUES ..........................   5                 Deferment of Benefit Payments ..................  12
THE COMPANY .......................................   8                 Dividends ......................................  12
NM VARIABLE ANNUITY                                                     Substitution and Change ........................  12
  ACCOUNT A .......................................   8                 Fixed Annuity Payment Plans ....................  12
THE FUND ..........................................   8                 Financial Statements ...........................  13
   Purchase Payments Under the Contracts ..........   8             THE CONTRACTSTHE GUARANTEED INTEREST FUND ..........  13 
     Amount and Frequency .........................   8             FEDERAL INCOME TAXES ...............................  13
     Application of Purchase Payments .............   9                 Taxation of Contract Benefits...................  13
   Net Investment Factor ..........................   9                 Taxation of Northwestern Mutual Life ...........  14 
   Benefits Provided Under the                                      DEDUCTIONS .........................................  14
     Contracts ....................................   9                 Contracts Issued Prior to                       
      Withdrawal Amount ...........................   10                  March 31, 1995  ..............................  16
      Death Benefit ...............................   10                Contracts Issued Prior to
      Maturity Benefit ............................   10                  December 17, 1981.............................  16
     Variable Payment Plans .......................   10                Reduced Charges for Exchange
      Description of Payment Plans ................   10                  Transactions  ................................  16
      Amount of Annuity Payments ..................   11            DISTRIBUTION OF THE             
                                                                      CONTRACTS ........................................  16 
</TABLE> 
 
 
           TABLE OF CONTENTS FOR STATEMENT  OF ADDITIONAL INFORMATION

   
<TABLE>
<CAPTION> 
                                                    PAGE                                                                 PAGE 
                                                    ----                                                                 ----
<S>                                                 <C>             <C>                                                  <C>
DISTRIBUTION OF THE                                                 FINANCIAL STATEMENTS OF DTHE               
 CONTRACTS ......................................   B-2               ACCOUNT (for year ended                   
DETERMINATION OF ANNUITY                                              December 31, 1995)...............................  B-5  
 PAYMENTS ......................................    B-2             REPORT OF INDEPENDENT                      
  Amount of Annuity Payments....................    B-2               ACCOUNTANTS (for year ended               
  Annuity Unit Value ...........................    B-3               December 31, 1995) ..............................  B-11 
  Illustrations of Varia ble Annuity                                FINANCIAL STATEMENTS OF                    
   Payments ....................................    B-3               NORTHWESTERN MUTUAL LIFE                  
VALUATION OF ASSETS OF THE                                            (for the three years ended December       
 ACCOUNT .......................................    B-4               31, 1995) .......................................  B-12 
TRANSFERABILITY RESTRICTIONS ...................    B-4             REPORT OF INDEPENDENT                    
EXPERTS ........................................    B-4               ACCOUNTANTS (for the three years          
                                                                      ended December 31, 1995) ......................... B-28 

</TABLE>
    


                                                                              17

<PAGE>   21



     This Prospectus sets forth concisely the information about NML Variable
Annuity Account A that a prospective investor ought to know before investing.
Additional information about Account A has been filed with the Securities and
Exchange Commission in a Statement of Additional Information which is
incorporated herein by reference. The Statement of Additional Information is
available upon request and without charge from The Northwestern Mutual Life
Insurance Company. To receive a copy, return the request form to the address
listed below, or telephone (414) 271-1444.

   
TO:  The Northwestern Mutual Life Insurance Company
     Equity Compliance Division/Compliance and Sales Practices Department
     720 East Wisconsin Avenue
     Milwaukee, WI  53202
    

     Please send a Statement of Additional Information for NML Variable Annuity
     Account A to:

Name
    ---------------------------------------------------------------------------

Address
       ------------------------------------------------------------------------

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


City                                         State             Zip
    ----------------------------------------       ------------    ------------

18
<PAGE>   22










N O R T H W E S T E R N  M U T U A L  L I F E




VARIABLE ANNUITY CONTRACTS
For Retirement Plans of Self-Employed Persons and their Employees



NML VARIABLE ANNUITY ACCOUNT A



NORTHWESTERN MUTUAL SERIES FUND, INC.




P     R     O     S     P     E     C     T     U     S















<PAGE>   23


                     STATEMENT OF ADDITIONAL INFORMATION


                           VARIABLE ANNUITY CONTRACTS
      (for Retirement Plans of Self-Employed Persons and their Employees)

                         NML VARIABLE ANNUITY ACCOUNT A
                                (the "Account"),
                        a separate investment account of
                 The Northwestern Mutual Life Insurance Company
                          ("Northwestern Mutual Life")


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

            This Statement of Additional Information is not a prospectus
            but supplements and should be read in conjunction with the
            prospectus for the Contracts.  A copy of the prospectus may be
            obtained from The Northwestern Mutual Life Insurance Company,
            720 East Wisconsin Avenue, Milwaukee, Wisconsin 53202,
            telephone number (414) 271-1444.


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


   
            The Date of the Prospectus to which this Statement of
            Additional Information Relates is April 30, 1996.
    

   
            The Date of this Statement of Additional Information is April
            30, 1996.
    


                                     B-1

<PAGE>   24


                        DISTRIBUTION OF THE CONTRACTS

     The Contracts are offered on a continuous basis exclusively through
individuals who, in addition to being life insurance agents of Northwestern
Mutual Life, are registered representatives of Northwestern Mutual Investment
Services, Inc. ("NMIS").

     NMIS may be considered the underwriter of the Contracts for purposes of
the federal securities laws.  The following amounts of commissions were paid on
sales of the Contracts, including commissions on sales of variable annuity
contracts to corporate pension plans, during each of the last three years:


   
<TABLE>
<CAPTION>
                                Year  Amount
                                ----  ----------
                                <S>   <C>
                                1995  $1,114,411
                                1994  $1,042,434
                                1993  $  894,418
</TABLE>
    



                       DETERMINATION OF ANNUITY PAYMENTS

     The following discussion of the method for determining the amount of
monthly annuity payments under a variable payment plan is intended to be read
in conjunction with these sections of the prospectus for the Contracts:
"Variable Payment Plans", p. 10, including "Description of Payment Plans", p.
10, "Amount of Annuity Payments", p. 11, and "Assumed Investment Rate", p. 11;
"Dividends", p. 12; "Net Investment Factor", p. 9; and "Deductions", p. 14.

     AMOUNT OF ANNUITY PAYMENTS   The amount of the first annuity payment under
a variable Payment Plan will be determined on the basis of the particular
Payment Plan selected, the annuity payment rate and, for plans involving life
contingencies, the Annuitant's adjusted age.  The amount of the first payment
is the sum of the payments from each Division of the Account determined by
applying the appropriate annuity payment rate to the product of the number of
Accumulation Units in the Division on the effective date of the Payment Plan
and the Accumulation Unit value for the Division on that date.  Annuity rates
currently in use are based on the 1983 a Table with age adjustment.

     Variable annuity payments after the first will vary from month to month
and will depend upon the number and value of Annuity Units credited to the
Annuitant.  After the effective date of a Payment Plan a Contract will not
share in the divisible surplus of Northwestern Mutual Life.

     The number of Annuity Units in each Division is determined by dividing the
amount of the first annuity payment from the Division by the value of an
Annuity Unit on the effective date of the Payment Plan.  The number of Annuity
Units thus credited to the Annuitant in each Division remains constant
throughout the annuity period.  However, the value of Annuity Units in each
Division will fluctuate with the investment experience of the Division.

     The amount of each variable annuity payment after the first is the sum of
payments from each Division determined by multiplying this fixed number of
Annuity Units each month by the value of an Annuity Unit for the Division on
(a) the fifth valuation date prior to the payment due date if the payment due
date is a valuation date, or (b) the sixth valuation date prior to the payment
due date if the payment due date is not a valuation date.  To illustrate, if a
payment due date falls on a Friday, Saturday or Sunday, the amount of the
payment will normally be based upon the Annuity Unit value calculated on the
preceding

                                     B-2

<PAGE>   25

Friday.  The preceding Friday would be the fifth valuation date prior to the
Friday due date, and the sixth valuation date prior to the Saturday or Sunday
due dates.

     ANNUITY UNIT VALUE   The value of an Annuity Unit for each Division was
established at $1.00 as of the date operations began for that Division.  The
value of an Annuity Unit on any later date varies to reflect the investment
experience of the Division, the Assumed Investment Rate on which the annuity
rate tables are based, and the deduction for mortality rate and expense risks
assumed by Northwestern Mutual Life.

     The Annuity Unit value for each Division on any valuation date is
determined by multiplying the Annuity Unit value on the immediately preceding
valuation date by two factors:  (a) the net investment factor for the current
period for the Division; and (b) an adjustment factor to neutralize the Assumed
Investment Rate used in calculating the annuity rate tables.

     ILLUSTRATIONS OF VARIABLE ANNUITY PAYMENTS   To illustrate the manner in
which variable annuity payments are determined consider this example.  Item (4)
in the example shows the applicable monthly payment rate for an annuitant,
adjusted age 65, who has elected a life annuity Payment Plan with a certain
period of 10 years with an Assumed Investment Rate of 3-1/2% (Plan 2, as
described in the prospectus).


<TABLE>
        <S>                                                     <C>
        (1) Assumed number of Accumulation Units in
            Balanced Division on
            maturity date . . . . . . . . . . . . . . . . . . . 25,000

        (2) Assumed Value of an Accumulation Unit in
            Balanced Division at
            maturity. . . . . . . . . . . . . . . . . . . . . . $2.000000

        (3) Cash Value of Contract at maturity, (1) X (2) . . . $50,000

        (4) Assumed applicable monthly payment rate per
            $1,000 from annuity rate table. . . . . . . . . . . $5.00

        (5) Amount of first payment from
            Balanced Division,
            (3) X (4) divided by $1,000 . . . . . . . . . . . . $250.00

        (6) Assumed Value of Annuity Unit in
            Balanced Division at maturity . . . . . . . . . . . $1.500000

        (7) Number of Annuity Units credited in
            Balanced Division, (5) divided
            by (6). . . . . . . . . . . . . . . . . . . . . . . 166.67

</TABLE>

The $50,000 value at maturity provides a first payment from the Balanced
Division of $250.00, and payments thereafter of the varying dollar value of
166.67 Annuity Units.  The amount of subsequent payments from the Balanced
Division is determined by multiplying 166.67 units by the value of an Annuity
Unit in the Balanced Division on the applicable valuation date.  For example,
if that unit value is $1.501000, the monthly payment from the Division will be
166.67 multiplied by $1.501000, or $250.17.


                                     B-3



<PAGE>   26


     However, the value of the Annuity Unit depends entirely on the investment
performance of the Division.  Thus in the example above, if the net investment
rate for the following month was less than the Assumed Investment Rate of
3-1/2%, the Annuity Unit would decline in value.  If the Annuity Unit value
declined to $1.499000 the succeeding monthly payment would then be 166.67 X
$1.499000, or $249.84.

     For the sake of simplicity the foregoing example assumes that all of the
Annuity Units are in the Balanced Division.  If there are Annuity Units in two
or more Divisions, the annuity payment from each Division is calculated
separately, in the manner illustrated, and the total monthly payment is the sum
of the payments from the Divisions.

                       VALUATION OF ASSETS OF THE ACCOUNT

     The value of Portfolio shares of the Fund held in each Division of the
Account at the time of each valuation is the redemption value of such shares at
such time.  If the right to redeem shares of the Fund has been suspended, or
payment of redemption value has been postponed, for the sole purpose of
computing annuity payments the shares held in the Account (and Annuity Units)
may be valued at fair value as determined in good faith by the Board of
Trustees of Northwestern Mutual Life.

                          TRANSFERABILITY RESTRICTIONS

     Ownership of a Contract cannot be changed or the Contract sold, assigned
or pledged as collateral for a loan, or for any other purpose, to any person
other than Northwestern Mutual Life; except, that if the Owner of the Contract
is a trustee of an employee trust qualified under the Code, or the custodian of
a custodial account treated as such, it may transfer the Contract to a
successor trustee or custodian.  In addition, the trustee or custodian, as well
as the employer under a qualified non-trusted pension plan, may assign the
Contract to an employee upon termination of employment.

                                    EXPERTS

   
     The financial statements of the Account as of December 31, 1995 and for
each of the two years in the period ended  December 31, 1995 and of
Northwestern Mutual Life as of December 31, 1995 and 1994 and for each of the
three years in the period ended December 31, 1995 included in this Statement of
Additional Information have been so included in reliance on the reports of
Price Waterhouse LLP, independent accountants, given on the authority of said
firm as experts in auditing and accounting.  Price Waterhouse LLP provides
audit services for the Account.  The address of Price Waterhouse LLP is 100
East Wisconsin Avenue, Suite 1500, Milwaukee, Wisconsin 53202.
    


                                     B-4

<PAGE>   27
 
                         NML VARIABLE ANNUITY ACCOUNT A
                      STATEMENT OF ASSETS AND LIABILITIES
                               DECEMBER 31, 1995
                                 (IN THOUSANDS)
 
<TABLE>
<S>                                                                                           <C>        <C>
ASSETS
  Investments at Market Value:
    Northwestern Mutual Series Fund, Inc.
      Index 500 Stock
         36,232 shares (cost $43,681).......................................................  $ 62,392
      Growth Stock
         3,392 shares (cost $3,734).........................................................     4,285
      Growth and Income Stock
         6,517 shares (cost $7,030).........................................................     7,892
      Aggressive Growth Stock
         20,409 shares (cost $38,234).......................................................    56,492
      International Equity
         23,461 shares (cost $28,903).......................................................    31,789
      Select Bond
         20,963 shares (cost $24,228).......................................................    25,743
      High Yield Bond
         2,008 shares (cost $2,072).........................................................     2,061
      Money Market
         21,557 shares (cost $21,557).......................................................    21,557
      Balanced
         160,766 shares (cost $209,058).....................................................   257,867   $470,078
                                                                                              --------
  Due from Sale of Fund Shares........................................................................         78
  Due from Northwestern Mutual Life Insurance Company.................................................        492
                                                                                                         --------
           Total Assets...............................................................................   $470,648
                                                                                                         ========
LIABILITIES
  Due to Participants.................................................................................   $    258
  Due to Northwestern Mutual Life Insurance Company...................................................         78
  Due on Purchase of Fund Shares......................................................................        492
                                                                                                         --------
           Total Liabilities..........................................................................        828
                                                                                                         --------
EQUITY (Note 8)
  Contracts Issued Prior to December 17, 1981.........................................................   $ 64,419
  Contracts Issued On or After December 17, 1981 and Before March 31, 1995............................    397,699
  Contracts Issued On or After March 31, 1995:
    Front Load Version................................................................................      1,546
    Back Load Version.................................................................................      6,156
                                                                                                         --------
           Total Equity...............................................................................    469,820
                                                                                                         --------
           Total Liabilities and Equity...............................................................   $470,648
                                                                                                         ========
</TABLE>

 
    The Accompanying Notes are an Integral Part of the Financial Statements
 
                                     B-5
<PAGE>   28
 
                         NML VARIABLE ANNUITY ACCOUNT A
                 STATEMENT OF OPERATIONS AND CHANGES IN EQUITY
                                 (IN THOUSANDS)
 
   
<TABLE>
<CAPTION>
                                                                                   INDEX 500
                                                             COMBINED            STOCK DIVISION         GROWTH STOCK DIVISION#
                                                       --------------------    ------------------    ----------------------------
                                                                                                                     EIGHT MONTHS
                                                            YEAR ENDED             YEAR ENDED         YEAR ENDED        ENDED
                                                           DECEMBER 31,           DECEMBER 31,       DECEMBER 31,    DECEMBER 31,
                                                       --------------------    ------------------    ------------    ------------
                                                         1995        1994       1995       1994          1995            1994
                                                       --------    --------    -------    -------    ------------    ------------
<S>                                                    <C>         <C>         <C>        <C>        <C>             <C>
INVESTMENT INCOME
  Dividend Income...................................   $ 11,711    $ 40,170    $   523    $ 2,155       $  129          $   19
  Annuity Rate and Expense Guarantees...............      5,072       4,467        560        458           31               6
                                                       --------    --------    -------    -------       ------          ------
  Net Investment Income (Loss)......................      6,639      35,703        (37)     1,697           98              13
                                                       --------    --------    -------    -------       ------          ------
REALIZED AND UNREALIZED GAIN (LOSS) ON
  INVESTMENTS
  Realized Gain on Investments......................     13,144       1,688      2,066      1,831           42               2
  Unrealized Appreciation (Depreciation) of
    Investments During the Year.....................     76,915     (39,970)    13,946     (3,448)         570             (19)
                                                       --------    --------    -------    -------       ------          ------
  Net Gain (Loss) on Investments....................     90,059     (38,282)    16,012     (1,617)         612             (17)
                                                       --------    --------    -------    -------       ------          ------
  Increase (Decrease) in Equity Derived from
    Investment Activity.............................     96,698      (2,579)    15,975         80          710              (4)
                                                       --------    --------    -------    -------       ------          ------
EQUITY TRANSACTIONS
  Contract Owners' Net Payments.....................     49,119      52,261      6,215      5,492        1,200             348
  Annuity Payments..................................       (609)       (603)      (161)      (147)      --              --
  Surrenders and Other (net)........................    (62,309)    (33,009)    (5,416)    (4,193)         (87)            (83)
  Transfers from Other Divisions....................     39,732      49,732      5,916      3,918        1,555           1,121
  Transfers to Other Divisions......................    (39,732)    (49,732)    (3,583)    (5,173)        (412)            (62)
                                                       --------    --------    -------    -------       ------          ------
Increase (Decrease) in Equity Derived from
  Equity Transactions...............................    (13,799)     18,649      2,971       (103)       2,256           1,324
                                                       --------    --------    -------    -------       ------          ------
Net Increase (Decrease) in Equity...................     82,899      16,070     18,946        (23)       2,966           1,320
Equity
  Beginning of Year.................................    386,921     370,851     43,362     43,385        1,320               0
                                                       --------    --------    -------    -------       ------          ------
  End of Year.......................................   $469,820    $386,921    $62,308    $43,362       $4,286          $1,320
                                                       ========    ========    =======    =======       ======          ======
</TABLE>
    
 
# The initial investments in the Growth Stock and Growth and Income Stock
  Divisions were made on May 3, 1994.

                                     B-6
 
    The Accompanying Notes are an Integral Part of the Financial Statements
 
<PAGE>   29
 
                         NML VARIABLE ANNUITY ACCOUNT A
                 STATEMENT OF OPERATIONS AND CHANGES IN EQUITY
                                 (IN THOUSANDS)
 
   
<TABLE>
<CAPTION>
                                                                 INTERNATIONAL                            
           GROWTH & INCOME             AGGRESSIVE GROWTH            EQUITY                SELECT BOND     
           STOCK DIVISION#              STOCK DIVISION             DIVISION                DIVISION       
    -----------------------------     -------------------     -------------------     ------------------- 
                                    
                     EIGHT MONTHS
     YEAR ENDED         ENDED             YEAR ENDED              YEAR ENDED              YEAR ENDED
    DECEMBER 31,     DECEMBER 31,        DECEMBER 31,            DECEMBER 31,            DECEMBER 31,
    ------------     ------------     -------------------     -------------------     -------------------
        1995             1994          1995        1994        1995        1994        1995        1994
    ------------     ------------     -------     -------     -------     -------     -------     -------
<S>                  <C>              <C>         <C>         <C>         <C>         <C>         <C>
       $  465           $   53        $   257     $   248     $   218     $   854     $   653     $ 2,991
           71               13            563         361         371         276         264         250
       ------           ------        -------     -------     -------     -------     -------     -------
          394               40           (306)       (113)       (153)        578         389       2,741
       ------           ------        -------     -------     -------     -------     -------     -------
           89                5          1,989         709         823         296         269         260
          949              (87)        13,259         763       3,152      (1,517)      3,296      (3,936)
       ------           ------        -------     -------     -------     -------     -------     -------
        1,038              (82)        15,248       1,472       3,975      (1,221)      3,565      (3,676)
       ------           ------        -------     -------     -------     -------     -------     -------
        1,432              (42)        14,942       1,359       3,822        (643)      3,954        (935)
       ------           ------        -------     -------     -------     -------     -------     -------
        1,907              568          8,305       7,490       4,994       8,133       2,708       3,496
           17               (8)           (27)        (20)        (16)        (39)        (60)        (30)
         (343)             (56)        (5,405)     (2,409)     (2,850)     (1,785)     (3,488)     (1,827)
        2,161            2,826          7,559      10,371       3,466      13,698       2,611       1,111
         (465)             (41)        (5,216)     (3,425)     (6,278)     (2,556)     (2,271)     (3,497)
       ------           ------        -------     -------     -------     -------     -------     -------
        3,277            3,289          5,216      12,007        (684)     17,451        (500)       (747)
       ------           ------        -------     -------     -------     -------     -------     -------
        4,709            3,247         20,157      13,366       3,138      16,808       3,454      (1,682)
        3,247                0         36,309      22,943      28,653      11,845      22,259      23,941
       ------           ------        -------     -------     -------     -------     -------     -------
       $7,956           $3,247        $56,466     $36,309     $31,791     $28,653     $25,713     $22,259
       ======           ======        =======     =======     =======     =======     =======     =======
</TABLE>
    

                                      B-7
 
    The Accompanying Notes are an Integral Part of the Financial Statements
 
<PAGE>   30
 
                         NML VARIABLE ANNUITY ACCOUNT A
           STATEMENT OF OPERATIONS AND CHANGES IN EQUITY (CONTINUED)
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                HIGH YIELD BOND DIVISION#      MONEY MARKET DIVISION     BALANCED DIVISION
                                               ----------------------------    ---------------------    --------------------
                                                               EIGHT MONTHS
                                                YEAR ENDED        ENDED             YEAR ENDED               YEAR ENDED
                                               DECEMBER 31,    DECEMBER 31,        DECEMBER 31,             DECEMBER 31,
                                               ------------    ------------    ---------------------    --------------------
                                                   1995            1994         1995          1994        1995        1994
                                               ------------    ------------    -------       -------    --------    --------
<S>                                            <C>             <C>             <C>           <C>        <C>         <C>
INVESTMENT INCOME
  Dividend Income...........................      $  200          $   69       $ 1,119       $   709    $  8,147    $ 33,072
  Annuity Rate and Expense Guarantees.......          23               6           235           210       2,954       2,887
                                                  ------          ------       -------       -------    --------    --------
  Net Investment Income.....................         177              63           884           499       5,193      30,185
                                                  ------          ------       -------       -------    --------    --------
REALIZED AND UNREALIZED GAIN (LOSS) ON
  INVESTMENTS
  Realized Gain (Loss) on Investments.......          38          --             --            --          7,828      (1,415)
  Unrealized Appreciation (Depreciation) of
    Investments During the Year.............          42             (54)        --            --         41,701     (31,672)
                                                  ------          ------       -------       -------    --------    --------
  Net Gain (Loss) on Investments............          80             (54)            0             0      49,529     (33,087)
                                                  ------          ------       -------       -------    --------    --------
  Increase (Decrease) in Equity Derived from
    Investment Activity.....................         257               9           884           499      54,722      (2,902)
                                                  ------          ------       -------       -------    --------    --------
EQUITY TRANSACTIONS
  Contract Owners' Net Payments.............         584             206         4,356         3,545      18,850      22,983
  Annuity Payments..........................      --              --               (40)          (27)       (322)       (332)
  Surrenders and Other (net)................        (116)            (10)       (6,619)       (2,795)    (37,985)    (19,851)
  Transfers from Other Divisions............         777           1,064        11,211        11,508       4,476       4,115
  Transfers to Other Divisions..............        (683)            (27)       (8,356)       (9,646)    (12,468)    (25,305)
                                                  ------          ------       -------       -------    --------    --------
Increase (Decrease) in Equity Derived from
  Equity Transactions.......................         562           1,233           552         2,585     (27,449)    (18,390)
                                                  ------          ------       -------       -------    --------    --------
Net Increase (Decrease) in Equity...........         819           1,242         1,436         3,084      27,273     (21,292)
  Equity
    Beginning of Year.......................       1,242               0        20,121        17,037     230,408     251,700
                                                  ------          ------       -------       -------    --------    --------
    End of Year.............................      $2,061          $1,242       $21,557       $20,121    $257,681    $230,408
                                                  ======          ======       =======       =======    ========    ========
</TABLE>
 
# The initial investment in the High Yield Bond Division was made on May 3,
  1994.

                                     B-8

 
    The Accompanying Notes are an Integral Part of the Financial Statements


<PAGE>   31
 
                         NML VARIABLE ANNUITY ACCOUNT A
                         NOTES TO FINANCIAL STATEMENTS
                               DECEMBER 31, 1995
 
Note 1 -- NML Variable Annuity Account A (the "Account") is a segregated asset
account of The Northwestern Mutual Life Insurance Company ("Northwestern Mutual
Life") used to fund variable annuity contracts ("contracts") for HR-10 and
corporate pension and profit-sharing plans which qualify for special tax
treatment under the Internal Revenue Code. Beginning March 31, 1995, two
versions of the contract are offered: Front Load contracts with a sales charge
up to 4% of purchase payments and Back Load contracts with a withdrawal charge
of 0-8%.
 
Note 2 -- The preparation of the financial statements in conformity with
generally accepted accounting principles requires management to make estimates
and assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the financial
statements and the reported amounts of revenues and expenses during the
reporting period. Actual results could differ from those estimates. Principal
accounting policies are summarized below.
 
Note 3 -- All assets of each Division of the Account are invested in shares of
the corresponding Portfolio of Northwestern Mutual Series Fund, Inc. (the
"Fund"). The shares are valued at the Fund's offering and redemption price per
share.
 
The Fund is an open-end investment company registered under the Investment
Company Act of 1940.
 
Note 4 -- Annuity reserves are based on published annuity tables with age
adjustment and benefit payments which reflect actual investment experience. For
variable payment plans issued prior to January 1, 1974, annuity reserves are
based on the 1955 American Annuity Table with assumed interest rates of 3%,
3 1/2% or 5%. For variable payment plans issued on or after January 1, 1974 and
before January 1, 1985, annuity reserves are based on the 1971 Individual
Annuity Table with assumed interest rates of 3 1/2% or 5%. For variable payment
plans issued on or after January 1, 1985, annuity reserves are based on the 1983
Table a with assumed interest rates of 3 1/2% or 5%.
 
Note 5 -- Dividend income from the Fund is recorded on the record date of the
dividends. Transactions in Fund shares are accounted for on the trade date. The
basis for determining cost on sale of Fund shares is identified cost. Purchases
and sales of Fund shares for the year ended December 31, 1995 by each Division
are shown below:
 
<TABLE>
<CAPTION>
                           PURCHASES      SALES
                          -----------  -----------
<S>                       <C>          <C>
Index 500 Stock
  Division............... $ 7,998,931  $ 5,165,148
Growth Stock Division....   2,702,664      427,690
Growth & Income Stock
  Division...............   4,147,264      576,160
Aggressive Growth
  Division...............  10,658,292    5,672,013
International Equity
  Division...............   4,305,567    5,324,662
Select Bond Division.....   3,837,930    3,928,823
High Yield Bond
  Division...............   1,411,373      673,375
Money Market Division....  14,421,123   12,987,931
Balanced Division........  14,258,034   36,790,058
</TABLE>
 
Note 6 -- A deduction for annuity rate and expense guarantees is determined
daily and paid to Northwestern Mutual Life as compensation for assuming the risk
that annuity payments will continue for longer periods than anticipated because
the annuitants as a group live longer than expected, and the risk that the
charges made by Northwestern Mutual Life may be insufficient to cover the actual
costs incurred in connection with the contracts.
 
For contracts issued on or after March 31, 1995, for the Front Load version and
the Back Load version, the deduction for annuity rate and expense guarantees is
determined daily at annual rates of 4/10 of 1% and 1 1/4%, respectively, of the
net assets of each Division attributable to these contracts and is paid to
Northwestern Mutual Life. For these contracts, the rates may be increased or
decreased by the Board of Trustees of Northwestern Mutual Life not to exceed
 3/4 of 1% and 1 1/2%, respectively.
 
For contracts issued on or after December 17, 1981 and before March 31, 1995,
the deduction is at an annual rate of 1 1/4% of the net assets of each Division
attributable to these contracts. For these contracts, the rate may be increased
or decreased by the Board of Trustees of Northwestern Mutual Life not to exceed
a 1 1/2% annual rate.
 
For contracts issued prior to December 17, 1981, the deduction is at an annual
rate of 3/4 of 1% of the net assets of each Division attributable to these
contracts. For these contracts, the rate may be increased or decreased by the
Board of Trustees of Northwestern Mutual Life not to exceed a 1% annual rate.
 
Beginning in 1995, Northwestern Mutual Life paid a dividend to certain
contracts. The dividend was reinvested in the Account and has been reflected as
a Contract Owners' Net Payment in the accompanying financial statements.
 
Note 7 -- Northwestern Mutual Life is taxed as a "life insurance company" under
the Internal Revenue Code and the operations of the Account form a part of and
are taxed with those of Northwestern Mutual Life. Under current law, no federal
income taxes are payable with respect to the Account. Accordingly, no provision
for any such liability has been made.
 
                                     B-9
<PAGE>   32
 
                         NML VARIABLE ANNUITY ACCOUNT A
                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
                               DECEMBER 31, 1995
                                 (IN THOUSANDS)
 
Note 8 -- Equity Values by Division are shown below:
 
<TABLE>
<CAPTION>
                                                                                        CONTRACTS ISSUED:
                                             CONTRACTS ISSUED:                  ON OR AFTER DECEMBER 17, 1981 AND
                                          BEFORE DECEMBER 17, 1981                    BEFORE MARCH 31, 1995
                                   --------------------------------------    ---------------------------------------
                                   ACCUMULATION       UNITS                  ACCUMULATION       UNITS
            DIVISION                UNIT VALUE     OUTSTANDING    EQUITY      UNIT VALUE     OUTSTANDING     EQUITY
- --------------------------------   ------------    -----------    -------    ------------    -----------    --------
<S>                                <C>             <C>            <C>        <C>             <C>            <C>
Index 500 Stock.................    $ 2.042204        10,112      $20,650     $ 1.991330        18,961      $ 37,758
Growth Stock....................      1.310823             2            3       1.299976         2,971         3,862
Growth and Income Stock.........      1.298065             9           12       1.287355         5,605         7,216
Aggressive Growth Stock.........      2.813200           861        2,422       2.743106        19,084        52,349
International Equity............      1.398467         1,167        1,632       1.379966        21,338        29,446
Select Bond.....................      6.519655         1,172        7,641       6.077689         2,778        16,886
High Yield Bond.................      1.188188        --            --          1.178371         1,610         1,897
Money Market....................      2.311989         1,265        2,925       2.155845         7,896        17,023
Balanced........................      4.600659         5,652       26,003       4.289623        52,575       225,528
                                                                  -------                                   --------
  Equity........................                                   61,288                                    391,965
  Annuity Reserves..............                                    3,131                                      5,734
                                                                  -------                                   --------
  Total Equity..................                                  $64,419                                   $397,699
                                                                  ========                                  =========
</TABLE>
 
<TABLE>
<CAPTION>
                                             CONTRACTS ISSUED:                          CONTRACTS ISSUED:
                                         ON OR AFTER MARCH 31, 1995                ON OR AFTER MARCH 31, 1995
                                             FRONT LOAD VERSION                         BACK LOAD VERSION
                                   --------------------------------------    ---------------------------------------
                                   ACCUMULATION       UNITS                  ACCUMULATION       UNITS
            DIVISION                UNIT VALUE     OUTSTANDING    EQUITY      UNIT VALUE     OUTSTANDING     EQUITY
- --------------------------------   ------------    -----------    -------    ------------    -----------    --------
<S>                                <C>             <C>            <C>        <C>             <C>            <C>
Index 500 Stock.................    $ 1.249114           278      $   348     $ 1.991330           472      $    939
Growth Stock....................      1.208718           103          125       1.299976           227           295
Growth and Income Stock.........      1.196596           114          137       1.287355           310           399
Aggressive Growth Stock.........      1.305186           256          334       2.743106           408         1,118
International Equity............      1.140398            33           37       1.379966           375           517
Select Bond.....................      1.128765            27           30       6.077689            51           309
High Yield Bond.................      1.111614        --            --          1.178371           138           163
Money Market....................      1.040089           327          341       2.155845           379           818
Balanced........................      1.180953           164          194       4.289623           372         1,598
                                                                  -------                                   --------
  Equity........................                                    1,546                                      6,156
  Annuity Reserves..............                                    --                                         --
                                                                  -------                                   --------
  Total Equity..................                                  $ 1,546                                   $  6,156
                                                                  ========                                  =========
</TABLE>
 
                                     B-10
<PAGE>   33
 
                      [Price Waterhouse LLP Letterhead]
 
                       REPORT OF INDEPENDENT ACCOUNTANTS
 
To The Shareholders and Board of Directors of
Northwestern Mutual Series Fund, Inc.
 
In our opinion, the accompanying statements of assets and liabilities, including
the schedules of investments, and the related statements of operations and of
changes in net assets and the financial highlights present fairly, in all
material respects, the financial position of the Index 500 Stock Portfolio,
Growth Stock Portfolio, Growth and Income Stock Portfolio, Aggressive Growth
Stock Portfolio, International Equity Portfolio, Select Bond Portfolio, High
Yield Bond Portfolio, Money Market Portfolio and Balanced Portfolio
(constituting Northwestern Mutual Series Fund, Inc., hereafter referred to as
the "Fund") at December 31, 1995, the results of each of their operations for
the year then ended, the changes in each of their net assets for the year ended
December 31, 1995, and for the other periods indicated, and the financial
highlights for the year ended December 31, 1995 and the other periods indicated,
in conformity with generally accepted accounting principles. These financial
statements and financial highlights (hereafter referred to as "financial
statements") are the responsibility of the Fund's management; our responsibility
is to express an opinion on these financial statements based on our audits. We
conducted our audits of these financial statements in accordance with generally
accepted auditing standards which require that we plan and perform the audit to
obtain reasonable assurance about whether the financial statements are free of
material misstatement. An audit includes examining, on a test basis, evidence
supporting the amounts and disclosures in the financial statements, assessing
the accounting principles used and significant estimates made by management, and
evaluating the overall financial statement presentation. We believe that our
audits, which included confirmation of securities at December 31, 1995 by
correspondence with the custodian and brokers, provide a reasonable basis for
the opinion expressed above.
 
Price Waterhouse LLP
Milwaukee, Wisconsin
January 24, 1996
 
                                     B-11
<PAGE>   34


                FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL LIFE


The following financial statements of Northwestern Mutual Life should be
considered only as bearing upon the ability of Northwestern Mutual Life to meet
its obligations under the Contracts.



                 THE NORTHWESTERN MUTUAL LIFE INSURANCE COMPANY
                  CONSOLIDATED STATEMENT OF FINANCIAL POSITION
                                 (In millions)

<TABLE>
<CAPTION>
                ASSETS                            December 31, 
                ------                          ----------------
                                                  1995    1994
                                                -------  -------
                <S>                             <C>      <C>
                BONDS
                  United States Government      $ 3,282  $ 3,501
                  Industrial and other           22,236   19,232
                                                -------  -------

                                                 25,518   22,733
                                                -------  -------
                STOCKS
                  Common                          2,894    2,192
                  Unconsolidated subsidiaries       531      504
                  Preferred                         546      511
                                                -------  -------

                                                  3,971    3,207
                                                -------  -------

                MORTGAGE LOANS                    8,429    7,099

                REAL ESTATE
                  Investment                      1,294    1,072
                  Home office                       135      141
                                                -------  -------

                                                  1,429    1,213
                                                -------  -------

                LOANS ON POLICIES                 6,476    6,144
                OTHER INVESTMENTS                 1,341    1,301
                CASH AND TEMPORARY INVESTMENTS      544      803
                DUE AND ACCRUED INVESTMENT
                  INCOME                            721      650
                                                -------  -------

                    Total invested assets        48,429   43,150
                                                -------  -------

                SEPARATE ACCOUNT BUSINESS         5,000    3,806
                OTHER ASSETS                      1,447    1,156
                                                -------  -------

                  Total Assets                  $54,876  $48,112
                                                =======  =======
</TABLE>


                     The accompanying notes are an integral
                        part of the financial statements

                                     B-12

<PAGE>   35


               FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL LIFE


                 THE NORTHWESTERN MUTUAL LIFE INSURANCE COMPANY
                  CONSOLIDATED STATEMENT OF FINANCIAL POSITION
                                 (In millions)

<TABLE>
<CAPTION>
               LIABILITIES AND RESERVES            December 31,
               ------------------------          ----------------
                                                  1995     1994
                                                 -------  -------
               <S>                               <C>      <C>
               LIABILITY FOR POLICY BENEFITS
                 Insurance and annuity reserves  $39,545  $36,124
                 Policy benefits left
                   for future payments               972      866
                 Premium deposits                    427      419
                 Policy benefits in
                   process of payment                137      138
                 Policyowner dividends
                   payable                         2,115    1,950
                                                 -------  -------

                                                  43,196   39,497
                                                 -------  -------


               OTHER LIABILITIES
                 Interest maintenance reserve        281       11
                 Income taxes                        895      561
                 Miscellaneous                     1,336      822
                                                 -------  -------

                                                   2,512    1,394
                                                 -------  -------

               SEPARATE ACCOUNT BUSINESS           5,000    3,806
                                                 -------  -------

               ASSET VALUATION RESERVE             1,382    1,190
                                                 -------  -------

                   Total liabilities and
                    asset valuation reserve       52,090   45,887
                                                 -------  -------


               GENERAL CONTINGENCY RESERVE         2,786    2,225
                                                 -------  -------

               Total Liabilities and
                 Contingency Reserves            $54,876  $48,112
                                                 =======  =======
</TABLE>



                     The accompanying notes are an integral
                        part of the financial statements

                                     B-13

<PAGE>   36


               FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL LIFE


                 THE NORTHWESTERN MUTUAL LIFE INSURANCE COMPANY
                       CONSOLIDATED SUMMARY OF OPERATIONS
                                 (In millions)

<TABLE>
<CAPTION>
                                                     For the year ended
                                                         December 31,
                                                    ----------------------
                                                     1995    1994    1993
                                                    ------  ------  ------

        <S>                                        <C>      <C>     <C>      
        INCOME                                                               
         PREMIUMS                                   $6,196  $5,743  $5,295   
         NET INVESTMENT INCOME                       3,673   3,106   2,913   
         POLICY BENEFITS LEFT WITH COMPANY                                   
          AND OTHER INCOME                             733     636     570   
                                                    ------  ------  ------   
           Total income                             10,602   9,485   8,778   
                                                    ------  ------  ------   
        DISPOSITION OF INCOME                                                
         COSTS                                                               
          Agents' compensation                         508     492     487   
          Other insurance costs                        398     334     361   
          Premium and other taxes or assessments       120     120     116   
                                                    ------  ------  ------   
                                                     1,026     946     964   
                                                    ------  ------  ------   
                                                                             
        BENEFITS TO POLICYOWNERS AND BENEFICIARIES                          
          Death benefits                               655     609     526   
          Matured endowments                            48      54      44   
          Annuity benefits                              92      94      85   
          Disability benefits                          174     151     126   
          Surrender benefits                         1,375     904     837   
          Payments from policy benefits                                      
            left with Company                          590     568     498   
          Net transfers to separate accounts           236     344     302   
          Net additions to policy reserves           3,506   3,313   3,078   
                                                    ------  ------  ------   
                                                     6,676   6,037   5,496   
                                                    ------  ------  ------   
           Total disposition of income               7,702   6,983   6,460   
                                                    ------  ------  ------   
                                                                             
        SAVINGS FROM OPERATIONS BEFORE                                       
          INCOME TAXES AND DIVIDENDS                 2,900   2,502   2,318   
                                                                             
        INCOME TAX EXPENSE                             467     281     208   
                                                    ------  ------  ------   
        SAVINGS FROM OPERATIONS BEFORE DIVIDENDS     2,433   2,221   2,110   
        POLICYOWNER DIVIDENDS                        2,111   1,942   1,780   
                                                    ------  ------  ------   
        NET SAVINGS FROM OPERATIONS                    322     279     330   
        NET REALIZED CAPITAL GAINS, LESS TAX                                 
          EXPENSE OF $98, $85 AND $82, RESPECTIVELY    137     119     180   
                                                    ------  ------  ------   
        CONTRIBUTION TO GENERAL CONTINGENCY                                  
          RESERVE FROM OPERATIONS                   $  459  $  398  $  510   
                                                    ======  ======  ======   
</TABLE>                                                                     



                     The accompanying notes are an integral
                        part of the financial statements

                                     B-14

<PAGE>   37


               FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL LIFE



                 THE NORTHWESTERN MUTUAL LIFE INSURANCE COMPANY
             CONSOLIDATED STATEMENT OF GENERAL CONTINGENCY RESERVE
                                 (In millions)

<TABLE>
<CAPTION>
                                                  For the year ended
                                                      December 31,
                                                 ----------------------
                                                   1995    1994    1993
                                                 ------  ------  ------
         <S>                                     <C>     <C>     <C>

         BEGINNING OF YEAR BALANCE               $2,225  $2,030  $1,850

          Contribution to general contingency
            reserve from operations                 459     398     510

          Net unrealized capital gains (losses)     373    (242)    (89)

          Change in asset valuation reserve        (192)     37    (157)

          Other - net                               (79)      2     (84)
                                                 ------  ------  ------

         END OF YEAR BALANCE                     $2,786  $2,225  $2,030
                                                 ======  ======  ======
</TABLE>





                     The accompanying notes are an integral
                        part of the financial statements

                                     B-15

<PAGE>   38


               FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL LIFE



                 THE NORTHWESTERN MUTUAL LIFE INSURANCE COMPANY
                      CONSOLIDATED STATEMENT OF CASH FLOWS

                                 (In millions)

<TABLE>
<CAPTION>
                                                     For the year ended
                                                        December 31,
                                                  -------------------------
                                                   1995     1994     1993
                                                  -------  -------  -------
     <S>                                          <C>      <C>      <C>
     CASH FLOWS FROM OPERATING ACTIVITIES
      Insurance premiums, annuities and other
        considerations                            $ 6,864  $ 6,299  $ 5,777
      Net investment income received                3,480    3,013    2,813
      Net loans on policies                          (331)    (297)    (143)
      Benefits paid to policyholders and
        beneficiaries                              (2,939)  (2,357)  (2,116)
      Net transfers to separate accounts             (236)    (344)    (302)
      Policyowner dividends paid                   (1,945)  (1,777)  (1,759)
      Expenses and taxes                           (1,279)  (1,033)  (1,135)
      Other - net                                     381       89      (81)
                                                  -------  -------  -------

       NET CASH PROVIDED BY OPERATING
       ACTIVITIES                                   3,995    3,593    3,054

     CASH FLOWS FROM INVESTING ACTIVITIES
      PROCEEDS FROM INVESTMENTS SOLD OR MATURED
       Bonds                                       25,317   27,096   20,221
       Stocks                                       2,465    1,469    1,122
       Mortgage loans                                 431      512      394
       Real estate                                     48      164       43
       Other invested assets                          149      213      132
       Capital gain (tax) benefit                     (85)      28     (124)
                                                  -------  -------  -------
                                                   28,325   29,482   21,788

     COST OF INVESTMENTS ACQUIRED
       Bonds                                       27,596   29,674   22,393
       Stocks                                       2,562    1,606    1,288
       Mortgage loans                               1,883    1,356      970
       Real estate                                    202        6       46
       Other invested assets                          336      413      152
                                                  -------  -------  -------
                                                   32,579   33,055   24,849
       NET CASH USED IN INVESTING ACTIVITIES       (4,254)  (3,573)  (3,061)
                                                  -------  -------  -------
     NET (DECREASE) INCREASE IN CASH AND
       TEMPORARY INVESTMENTS                         (259)      20       (7)

     CASH AND TEMPORARY INVESTMENTS, BEGINNING
       OF YEAR                                        803      783      790
                                                  -------  -------  -------
     CASH AND TEMPORARY INVESTMENTS, END OF YEAR  $   544  $   803  $   783
                                                  =======  =======  =======
</TABLE>


                     The accompanying notes are an integral
                        part of the financial statements


                                     B-16

<PAGE>   39


               FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL LIFE


                 THE NORTHWESTERN MUTUAL LIFE INSURANCE COMPANY
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        DECEMBER 31, 1995, 1994 AND 1993

NOTE 1 - PRINCIPAL ACCOUNTING POLICIES

The accompanying consolidated financial statements include the accounts of The
Northwestern Mutual Life Insurance Company (the "Company") and its wholly-owned
life insurance subsidiary. The Company offers life, annuity and disability
income products to the personal, business, estate and tax-qualified markets.

The consolidated financial statements have been prepared using accounting
policies prescribed or permitted by the Insurance Departments of the states in
which the Company and its subsidiary are domiciled.  These policies are
considered generally accepted accounting principles for mutual life insurance
companies.  The preparation of financial statements in conformity with
generally accepted accounting principles requires management to make estimates
and assumptions that affect the reported amounts of assets and liabilities at
the date of the financial statements and the reported amounts of revenues and
expenses during the reporting period.   Actual results could differ from those
estimates.

In April 1993, the Financial Accounting Standards Board issued Interpretation
No. 40, "Applicability of Generally Accepted Accounting Principles to Mutual
Life Insurance and Other Enterprises," which establishes a different definition
of generally accepted accounting principles for mutual life insurance
companies.  Under the Interpretation, financial statements of mutual life
insurance companies for periods beginning after December 15, 1995 which are
prepared on the basis of statutory accounting will no longer be characterized
as in conformity with generally accepted accounting principles.

In order to continue to present financial statements in accordance with
generally accepted accounting principles for general purpose distribution in
1996, the Company is considering presenting its financial statements in
accordance with the requirements of the Interpretation.  Management believes
that financial statements prepared on this basis would result in an increase to
its general contingency reserve.  The effects of this change in accounting
basis would be reported retroactively through restatement beginning with the
earliest year presented.

INVESTMENTS

The Company's investments are valued on the following bases:


Bonds          -    Amortized cost using the interest method; loan-backed and
                    structured securities are amortized using  estimated
                    prepayment rates and the propsective adjustment method.
Common Stocks  -    Market value


                                     B-17


<PAGE>   40


               FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL LIFE



Preferred Stocks                    -    Cost
Unconsolidated Subsidiaries         -    Equity in subsidiaries' net assets
Mortgage Loans                      -    Amortized cost
Investment Real Estate              -    Lower of cost, less depreciation and
                                         encumbrances, or estimated net
                                         realizable value
Home Office Real Estate             -    Cost, less depreciation
Loans on Policies                   -    Cost
Other Investments - Joint Ventures  -    Lower of equity in or market value of
                                         ventures' net assets


SEPARATE ACCOUNT BUSINESS

This business consists of annuities funded by specific assets held in separate
accounts.  The assets in these accounts are carried at market value.  The
policy values reflect the investment performance of the respective accounts.

INSURANCE, ANNUITY AND DISABILITY INCOME RESERVES

Life insurance reserves on substantially all policies issued since 1978 are
based on the Commissioner's Reserve Valuation Method with interest rates
ranging from 3-1/2% to 5-1/2%.  Other policy reserves are based primarily on
the net level premium method employing various mortality tables at interest
rates ranging from 2% to 4-1/2%.

Deferred annuity reserves on policies issued since 1985 are valued using the
Commissioner's Annuity Reserve Valuation Method with interest rates ranging
from 3-1/2% to 6-1/4%.  Other deferred annuity reserves are based on the
contract value.  Immediate annuity reserves are present values of expected
benefit payments at interest rates ranging from 3-1/2% to 7-1/2%.

Active life reserves for disability income ("DI") policies issued since 1987
are primarily based on the two-year preliminary term method using a 4% interest
rate and the 1985 Commissioner's Individual Disability Table A ("CIDA") for
morbidity.  Previous DI business used the net level premium method, using a 3%
or 4% interest rate and the 1964 Commissioner's Disability Table for morbidity.
Disabled life reserves for DI policies are based on the present values of
expected benefit payments using primarily the 1985 CIDA (modified for Company
experience in first two years of disability) with interest rates ranging from
3% to 5 1/2%.

Use of these actuarial tables and methods involves estimation of future
mortality and morbidity based on past experience.  Actual future experience
could differ from these estimates.

INTEREST MAINTENANCE RESERVE

The Company is required to maintain an interest maintenance reserve ("IMR").
The IMR establishes a reserve for realized gains and losses, net of tax,
resulting from changes in interest


                                     B-18

<PAGE>   41


               FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL LIFE


rates on short and long-term fixed income investments.  Net realized gains and
losses charged to the IMR are amortized into investment income over the
approximate remaining life of the investment sold.

ASSET VALUATION RESERVE

The Company is also required to maintain an asset valuation reserve ("AVR").
The AVR establishes a reserve for certain invested assets held by the Company.
In the aggregate, AVR was 82% and 84% of the allowable maximum at December 31,
1995 and 1994, respectively.

PREMIUM INCOME

Life insurance premiums are recognized as income at the beginning of each
policy year.

REINSURANCE

In the normal course of business, the Company seeks to limit its exposure to
loss on any single insured and to recover a portion of benefits paid by ceding
business to other insurance enterprises or reinsurers under excess coverage and
co-insurance contracts.  As of December 31, 1995 and 1994, total life insurance
inforce approximated $380 billion and $347 billion, respectively, of which
approximately $113 billion and $104 billion, respectively, comprised
principally of term insurance, had been ceded to various reinsurers.  The
Company retains a maximum of $10 million of coverage per individual life.

OPERATING COSTS

Operating costs, including costs of acquiring new policies, are charged to
operations as incurred.

INCOME TAXES

Provisions for income taxes are based on current income tax returns without
recognition of deferred taxes due to timing differences.  The portion of the
federal income tax based on mutual life insurance company equity is reflected
as a component of income tax expense, including related adjustments for prior
years.

The Company files a consolidated life-nonlife federal income tax return.
Federal income tax returns for years through 1988 are closed as to further
assessment of taxes.  Adequate provision has been made in the financial
statements for any additional taxes which may become due with respect to the
open years.


The Company's effective tax rate on savings from operations before income tax
expense (after dividends) in 1995, 1994 and 1993 was approximately 60%, 50% and
39%, respectively.  Two significant factors cause the Company's effective rate
to exceed the federal corporate rate of 35%.  First, the Company pays a tax
that is assessed only on mutual life insurance companies, which is

                                     B-19

<PAGE>   42


               FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL LIFE


an amount that purports to equate a portion of policyholder dividends with      
nondeductible dividends paid to shareholders of stock companies.  Second, the
Company must capitalize and amortize (as opposed to immediately deducting) an
amount deemed to represent the cost of acquiring new business ("DAC tax").

POLICYOWNER DIVIDENDS

Dividends payable in the following year on participating policies are charged
to current operations.  All life insurance policies issued by the Company are
participating.


NOTE 2 - DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS

The following summarizes the bases used by the Company in estimating its fair
value disclosures for financial instruments:

      Bonds and preferred stocks - Fair values are based upon quoted market
      prices, if available.  For securities not actively traded, fair values
      are estimated using independent pricing services or internally developed
      pricing models.

      Mortgage loans - Fair values are derived by discounting the future
      estimated cash flows using current interest rates for debt securities
      with similar credit risk and maturities, or utilizing net realizable
      values.

      Loans on policies - The carrying amount reported in the statement of
      financial position approximates fair value since loans on policies reduce
      the amount payable at death or at surrender of the contract.

      Cash and temporary investments and due and accrued investment income -
      The carrying amounts reported in the statement of financial position
      approximate fair value.

      Annuity reserves (without mortality/morbidity features) - Fair values are
      derived by discounting the future estimated cash flows using current
      interest rates with similar maturities.

      Other deposit liabilities - The carrying amounts reported in the
      statement of financial position approximate fair value.


                                     B-20

<PAGE>   43


               FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL LIFE


NOTE 3 - INVESTMENTS

NET INVESTMENT INCOME

The Company's net investment income for the years ended December 31, 1995, 1994
and 1993 consists of the following:


<TABLE>
<CAPTION>
                                                1995     1994    1993
                                              -------  -------  ------
                                                   (In millions)
         <S>                                  <C>      <C>      <C>
         Interest, dividends, rents, equity
           in unconsolidated subsidiaries'
           earnings and joint venture income  $ 3,952  $ 3,395  $ 3,215

         Less: Investment expenses and
           depreciation                          (279)    (289)    (302)
                                              -------  -------  -------

         Net investment income                $ 3,673  $ 3,106  $ 2,913
                                              =======  =======  =======
</TABLE>



REALIZED GAINS AND LOSSES

During 1995, 1994 and 1993, the Company, in its normal course of business, sold
certain invested assets realizing gains and losses before transfer to the IMR
and capital gains tax from such sales as follows:

<TABLE>
<CAPTION>

                            For the year ended           For the year ended            For the year ended
                            December 31, 1995            December 31, 1994              December 31, 1993
                       ----------------------------  ----------------------------  ----------------------------
                                              Net                           Net                           Net
                                           Realized                      Realized                      Realized
                       Realized  Realized    Gains   Realized  Realized     Gains  Realized  Realized     Gains
                          Gains    Losses  (Losses)     Gains    Losses  (Losses)     Gains    Losses  (Losses)
                       --------  --------  --------  --------  --------  --------  --------  --------  --------
                                                              (In millions)
<S>                    <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
Bonds                  $    576  $   (130) $    446  $    171  $   (535) $   (364) $    438  $   (133) $    305
Stocks                      574      (429)      145       499      (291)      208       297       (36)      261
Mortgage loans                2       (32)      (30)        -       (37)      (37)        1       (12)      (11)
Real estate                  14        (3)       11        16        (7)        9        13        (2)       11
Other invested assets       188       (95)       93       110       (98)       12       100       (54)       46
                       --------  --------  --------  --------  --------  --------  --------  --------  --------
                       $  1,354  $   (689) $    665  $    796  $   (968) $   (172) $    849  $   (237) $    612
                       ========  ========  ========  ========  ========  ========  ========  ========  ========
</TABLE>



DEBT SECURITIES

Debt securities consist of all bonds, fixed maturity preferred stocks and short
term fixed income investments.

                                     B-21

<PAGE>   44


               FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL LIFE


The statement values, which principally represent amortized cost, and estimated
market values of the Company's debt securities at December 31, 1995 and 1994
are as follows:


<TABLE>
<CAPTION>
December 31, 1995                     RECONCILIATION TO ESTIMATED MARKET VALUE
- ----------------------             ----------------------------------------------
                                            Gross           Gross       Estimated
                        Statement      Unrealized      Unrealized          Market
                            Value    Appreciation    Depreciation           Value
                        ---------  --------------  --------------  --------------
                                                    (In millions)
<S>                     <C>        <C>             <C>             <C>
US Government and
 political obligations  $   3,267  $          296  $           (1) $        3,562

Mortgage-backed
  securities                6,734             336             (12)          7,058

Corporate and other
 debt securities           15,999           1,250             (47)         17,202
                        ---------  --------------  --------------  --------------
                           26,000           1,882             (60)         27,822

Preferred stocks              108               3              (2)            109
                        ---------  --------------  --------------  --------------
  Total                 $  26,108  $        1,885  $          (62) $       27,931
                        =========  ==============  ==============  ==============

</TABLE>



<TABLE>
<CAPTION>

December 31, 1994                  RECONCILIATION TO ESTIMATED MARKET VALUE
- ----------------------             ----------------------------------------------
                                            Gross           Gross       Estimated
                        Statement      Unrealized      Unrealized          Market
                            Value    Appreciation    Depreciation           Value
                        ---------  --------------  --------------  --------------
                                                    (In millions)
<S>                     <C>        <C>             <C>             <C>
US Government and
 political obligations  $   3,334  $           61  $          (41) $        3,354

Mortgage-backed
  securities                5,652              53            (321)          5,384

Corporate and other
 debt securities           14,488             203            (515)         14,176
                        ---------  --------------  --------------  --------------
                           23,474             317            (877)         22,914

Preferred stocks               71               1              (7)             65
                        ---------  --------------  --------------  --------------
  Total                 $  23,545  $          318  $         (884) $       22,979
                        =========  ==============  ==============  ==============
</TABLE>



                                     B-22



<PAGE>   45


               FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL LIFE



The amortized cost and estimated market value of debt securities at December
31, 1995 and 1994, by contractual maturity, are shown below.  Expected
maturities may differ from contractual maturities because borrowers may have
the right to call or prepay obligations with or without call or prepayment
penalties.

<TABLE>
<CAPTION>
                                   December 31, 1995     December 31, 1994
                                 --------------------  --------------------
                                            Estimated             Estimated
                                 Statement     Market  Statement     Market
                                     Value      Value      Value      Value
                                 ---------  ---------  ---------  ---------
                                            (In millions)
    <S>                          <C>        <C>        <C>        <C>
     Due in one year or less     $     977  $     979  $   1,102  $   1,100

     Due after one year
      through five years             3,658      3,879      4,491      4,444

     Due after five years
      through ten years              6,879      7,347      5,787      5,711

     Due after ten years             7,860      8,668      6,513      6,340
                                 ---------  ---------  ---------  ---------

                                    19,374     20,873     17,893     17,595

     Mortgage-backed securities      6,734      7,058      5,652      5,384
                                 ---------  ---------  ---------  ---------

                                 $  26,108  $  27,931  $  23,545  $  22,979
                                 =========  =========  =========  =========
</TABLE>


The fair value of perpetual preferred stocks as of December 31, 1995 and 1994
approximates $578 million and $440 million, respectively, compared to the
statement values of $439 million and $440 million, respectively.


                                     B-23



<PAGE>   46


               FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL LIFE


MORTGAGE LOANS

As of December 31, 1995 and 1994, the mortgage loan portfolio was distributed
as follows:

<TABLE>
<CAPTION>
                            December 31, 1995           December 31, 1994
                          -----------------------  ------------------------
                                             % of                     % of
     GEOGRAPHIC LOCATION  Statement Value   Total  Statement Value    Total
     -------------------  ---------------   -----  ----------------   -----
                           (In millions)             (In millions)
     <S>                  <C>               <C>         <C>           <C>

       Middle Atlantic    $           945    11.2%      $       738    10.4%

       South Atlantic               2,346    27.8             1,943    27.4
                                                      
       North Central                1,560    18.5             1,289    18.2
                                                      
       South Central                1,018    12.1               921    13.0
                                                      
       Pacific Northwest              454     5.4               355     5.0
                                                      
       Pacific                      1,803    21.4             1,531    21.5
                                                      
       Canada                         303     3.6               322     4.5
                          ---------------   -----        ----------   -----

                          $         8,429   100.0%      $     7,099   100.0%
                          ===============   =====       ===========   =====

     PROPERTY TYPE
     -------------------

       Retail             $         2,897    34.4%      $     2,475    34.9%

       Office Building              2,677    31.8             2,176    30.6

       Residential                  1,804    21.4             1,526    21.5

       Commercial                     792     9.4               745    10.5

       Other                          259     3.0               177     2.5
                          ---------------  ------       -----------   -----

                          $         8,429   100.0%      $     7,099   100.0%
                          ===============   =====       ===========   =====
</TABLE>


The fair value of mortgage loans as of December 31, 1995 and 1994 approximates
$8,983 million and $6,879 million, respectively.  Decreases in current interest
rates were a major reason for the increase in fair value relative to statement
value in 1995.


                                     B-24


<PAGE>   47


               FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL LIFE


AFFILIATES

The Company has a 19.87% investment in MGIC Investment Corporation ("MGIC"), an
affiliate.  At December 31, 1995, the Company's investment in MGIC (11.7
million shares) exceeded the statement value by $420 million.

In July 1995, the Company entered into a forward contract with a brokerage firm
to deliver 4.4 million to 5.4 million shares of MGIC (or cash) in August 1998
for a price determined by the market value of the MGIC shares at that time in
exchange for a fixed cash payment of $247 million ($48 per share).  The
Company's objective in entering into the forward contract is to hedge against
depreciation in the value of its MGIC holdings during the contract period below
the initial spot price of $48, while partially participating in appreciation,
if any, during the forward contract's duration.

REAL ESTATE

For real estate and joint venture properties acquired subsequent to December
1990, the Company calculates depreciation using the straight-line method in
accordance with guidelines established by the National Association of Insurance
Commissioners.  For properties acquired prior to December 1990, the Company
calculates depreciation using either the straight-line method or the
constant-yield method.  Home office real estate is depreciated using the
straight-line method.

At December 31, 1995 and 1994, investment real estate includes $175 million and
$146 million, respectively, of real estate acquired through foreclosure.  In
1995, the Company recorded writedowns of $8 million and $28 million for the
excess of carrying value over fair value of certain real estate investments and
mortgage loans, respectively.  Valuation allowances for real estate and
mortgage loans with fair values that are less than statement values are
adequately covered by normal AVR reserves and by a $90 million special
investment reserve established by the Company for real estate, mortgage loans
and other invested assets.

DERIVATIVE FINANCIAL INSTRUMENTS

The Company's current utilization of derivative financial instruments is
limited.  Most of the Company's derivative transactions are used to reduce or
modify risks of volatility related to currency or interest rate movements.
These hedging strategies use forwards, futures and swaps.  At December 31, 1995
and 1994, the Company held foreign currency forward contracts with a notional
value of $889 million and $605 million, respectively, as a partial hedge
against foreign currency exposure of foreign denominated investments.  Changes
in the market value of these contracts offset currency gains and losses on the
hedged investments.  The capital gains or losses are unrealized before contract
settlement and realized on settlement.  These currency hedges and the MGIC
forward contract described above represent most of the Company's derivative
positions.  The effect of derivative transactions is not significant to the
Company's results from operations or financial position.

                                     B-25

<PAGE>   48


               FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL LIFE



NOTE 4 - ANNUITIES AND OTHER DEPOSIT LIABILITIES

The fair value of annuities and other deposit liabilities as of December 31,
1995 and 1994 are as follows:

<TABLE>
<CAPTION>
                                   December 31, 1995   December 31, 1994
                                   ------------------  -----------------
                                   Statement     Fair  Statement    Fair
                                       Value    Value      Value   Value
                                   ---------  -------  ---------  ------
                                              (In millions)
        <S>                         <C>       <C>      <C>        <C>

        Annuities                    $ 2,631  $ 2,437   $  2,474  $  2,203

        Other deposit liabilities        783      783        727       727
</TABLE>


NOTE 5 - BENEFIT PLANS

The Company maintains non-contributory defined benefit retirement plans for all
eligible employees and agents as well as a 401(k) plan for eligible employees
and a non-contributory defined contribution plan for all full-time agents.
These plans are funded currently and plan assets of $1,152 million at December
31, 1995 are primarily included in the separate accounts of the Company. In
1995, the Company made a contribution of $13 million to the employee retirement
plan; as of January 1, 1995, the most recent actuarial valuation date
available, the defined benefit plans were fully funded.

In addition to pension benefits, the Company provides certain health care and
life insurance benefits ("postretirement benefits") for retired employees.
Substantially all employees may become eligible for these benefits if they
reach retirement age while working for the Company.

Postretirement benefit expenses, which includes the expected cost of
postretirement benefits for newly eligible and vested employees and interest
costs, were $7 million, $7 million and $9 million for the years ended December
31, 1995, 1994 and 1993, respectively.  At December 31, 1995 and 1994, the
unfunded postretirement benefit obligation for retirees and other fully
eligible or vested employees was $49 million and $47 million, respectively.
The estimated postretirement benefit obligation for active non-vested employees
was $46 million and $44 million at December 31, 1995 and 1994, respectively.
The discount rate used to determine the postretirement benefit obligation was
7% and the health care cost trend rate was 12% in 1995, declining by 1% per
year to an ultimate rate of 5% over 7 years.  If the health care cost trend
rate assumptions were increased by 1%, the postretirement benefit obligation as
of December 31, 1995 would be increased by $6 million.

At December 31, 1995 and 1994, plan assets attributable to postretirement
health care benefits totaled $31 million and $25 million, respectively.

                                     B-26

<PAGE>   49


               FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL LIFE



NOTE 6 - REINSURANCE

The amounts shown in the accompanying consolidated financial statements are net
of reinsurance activity.  The effect of reinsurance on premiums and benefits
for the years ended December 31, 1995, 1994 and 1993 are as follows (in
millions):


<TABLE>
<CAPTION>
                                                       1995    1994    1993
                                                     ------  ------  ------
    <S>                                              <C>     <C>     <C>

    Direct premiums                                  $6,452  $5,977  $5,508
    Reinsurance ceded                                  (256)   (234)   (213)
                                                     ------  ------  ------

    Net premiums                                     $6,196  $5,743  $5,295
                                                     ======  ======  ======

    Benefits to policyholders and beneficiaries      $6,818  $6,178  $5,600
    Reinsurance recoveries                             (142)   (141)   (104)
                                                     ------  ------  ------

    Net benefits to policyholders and beneficiaries  $6,676  $6,037  $5,496
                                                     ======  ======  ======
</TABLE>


In addition, during 1995, 1994 and 1993, the Company received credits of $67
million, $63 million and $59 million, respectively, from reinsurers
representing reimbursements of commissions and other expenses.  These credits
are included in other income in the consolidated summary of operations.

Reinsurance contracts do not relieve the Company from its obligations to
policyholders.  Failure of reinsurers to honor their obligations could result
in losses to the Company; consequently, allowances are established for amounts
deemed uncollectible.  The Company evaluates the financial condition of its
reinsurers and monitors concentrations of credit risk arising from similar
geographic regions, activities, or economic characteristics of the reinsurers
to minimize its exposure to significant losses from reinsurer insolvencies.

NOTE 7 - CONTINGENCIES

In the normal course of business, the Company enters into transactions to
reduce its exposure to fluctuations in interest rates and market volatility.
These instruments may involve credit risk and may also be subject to risk of
loss due to interest rate fluctuations.

The Company has guaranteed certain obligations of its affiliates.  These
guarantees totaled approximately $126 million and $83 million at December 31,
1995 and 1994, respectively, and are generally supported by the underlying net
asset values of the affiliates.

The Company is engaged in various legal actions in the normal course of its
investment and insurance operations.  In the opinion of management, any losses
resulting from such actions would not have a material effect on the Company's
financial condition.


                                     B-27
<PAGE>   50


                FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL LIFE




Price Waterhouse LLP
100 East Wisconsin Avenue
Suite 1500
Milwaukee, WI  53202
Telephone:  414-276-9500




                       REPORT OF INDEPENDENT ACCOUNTANTS


To the Board of Trustees and Policyowners of
 The Northwestern Mutual Life Insurance Company


In our opinion, the accompanying consolidated statement of financial position
and the related consolidated summary of operations, statement of general
contingency reserve and statement of cash flows present fairly, in all material
respects, the financial position of The Northwestern Mutual Life Insurance
Company and its subsidiary at December 31, 1995 and 1994, and the results of
their operations and their cash flows for each of the three years in the period
ended December 31, 1995, in conformity with generally accepted accounting
principles (practices prescribed or permitted by insurance regulatory
authorities - see Note 1).  These financial statements are the responsibility
of the Company's management; our responsibility is to express an opinion on
these financial statements based on our audits.  We conducted our audits of
these statements in accordance with generally accepted auditing standards which
require that we plan and perform the audit to obtain reasonable assurance about
whether the financial statements are free of material misstatement.  An audit
includes examining, on a test basis, evidence supporting the amounts and
disclosures in the financial statements, assessing the accounting principles
used and significant estimates made by management, and evaluating the overall
financial statement presentation.  We believe that our audits provide a
reasonable basis for the opinion expressed above.



Price Waterhouse LLP
January 24, 1996

                                     B-28

<PAGE>   51


                              TABLE OF CONTENTS

   
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                          <C>
DISTRIBUTION OF THE CONTRACTS . . . . . . . . . . . . . . . . . . . . . . .  B-2

DETERMINATION OF ANNUITY PAYMENTS . . . . . . . . . . . . . . . . . . . . .  B-2
      Amount of Annuity Payments  . . . . . . . . . . . . . . . . . . . . .  B-2
      Annuity Unit Value  . . . . . . . . . . . . . . . . . . . . . . . . .  B-3
      Illustrations of Variable Annuity Payments  . . . . . . . . . . . . .  B-3

VALUATION OF ASSETS OF THE ACCOUNT  . . . . . . . . . . . . . . . . . . . .  B-4

TRANSFERABILITY RESTRICTIONS  . . . . . . . . . . . . . . . . . . . . . . .  B-4

EXPERTS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  B-4

FINANCIAL STATEMENTS OF THE ACCOUNT . . . . . . . . . . . . . . . . . . . .  B-5
(for year ended December 31, 1995)

REPORT OF INDEPENDENT ACCOUNTANTS   . . . . . . . . . . . . . . . . . . . .  B-11
(for year ended December 31, 1995)

FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL LIFE  . . . . . . . . . . . . .  B-12
(for the three years ended December 31, 1995)

REPORT OF INDEPENDENT ACCOUNTANTS . . . . . . . . . . . . . . . . . . . . .  B-28
(for the three years ended December 31, 1995)
</TABLE>
    




                                     B-29



<PAGE>   52


                                    PART C
                              OTHER INFORMATION

Item 24. Financial Statements and Exhibits
      (a)         Financial Statements
                  The financial statements of NML Variable Annuity Account
                  A and The Northwestern Mutual Life Insurance Company are
                  included in the Statement of Additional Information.

                  NML Variable Annuity Account A
                  (for year ended December 31, 1995)
                    Statement of Assets and Liabilities
                    Statement of Operations and Changes in Equity
                    Notes to Financial Statements
                    Report of Independent Accountants

                  The Northwestern Mutual Life Insurance Company
                  (for the three years ended December 31, 1995)
                    Consolidated Statement of Financial Position
                    Consolidated Summary of Operations
                    Consolidated Statement of General Contingency Reserve
                    Consolidated Statement of Cash Flows
                    Notes to Consolidated Financial Statements
                    Report of Independent Accountants

      (b)         Exhibits
                  EX-99.B11           Consent of Price Waterhouse LLP.

Item 25. Directors and Officers of the Depositor

     The following lists include all of the Trustees, executive officers and
other officers of The Northwestern Mutual Life Insurance Company as of February
1, 1996, without regard to their activities relating to variable annuity
contracts or their authority to act or their status as "officers" as that term
is used for certain purposes of the federal securities laws and rules
thereunder.

TRUSTEES

<TABLE>
<CAPTION>
Name                                 Business Address
- ----                                 ----------------
<S>                                  <C>
R. Quintus Anderson                  The Aarque Companies
                                     111 West Second Street
                                     Jamestown, NY 14701


Edward E. Barr                       Sun Chemical Corporation
                                     222 Bridge Plaza South
                                     Fort Lee, NJ  07024

Gordon T. Beaham III                 Faultless Starch/Bon Ami Co.
                                     1025 West Eighth Street
                                     Kansas City, MO 64101

Frank H. Bertsch                     Flexsteel Industries, Inc.
                                     P.O. Box 877
                                     Dubuque, IA 52001
</TABLE>



                                     C-1

<PAGE>   53



<TABLE>
<S>                                  <C>
Robert C. Buchanan                   Fox Valley Corporation
                                     P.O. Box 727
                                     Appleton, WI  54912

Robert E. Carlson                    The Northwestern Mutual Life
                                     Insurance Company
                                     720 East Wisconsin Avenue
                                     Milwaukee, WI 53202

George A. Dickerman                  Spalding Sports Worldwide
                                     425 Meadow Street
                                     P.O. Box 901
                                     Chicopee, MA  01021-0901

Thomas I. Dolan                      A.O. Smith Corporation
                                     P.O. Box 23971
                                     Milwaukee, WI 53223-0971

Pierre S. du Pont                    Richards, Layton and Finger
                                     1 Rodney Square
                                     Wilmington, DE 19801

James D. Ericson                     The Northwestern Mutual Life
                                     Insurance Company
                                     720 East Wisconsin Avenue
                                     Milwaukee, WI 53202

J. E. Gallegos                       Gallegos Law Firm
                                     460 St. Michaels Drive
                                     Building 300
                                     Santa Fe, NM 87501

Patricia Albjerg Graham              420 Gutman
                                     Graduate School of Education
                                     Harvard University
                                     Cambridge, MA  02138

Richard H. Holton                    Haas School of Business
                                     350 Barrows Hall
                                     University of California
                                     Berkeley, CA 94720

Stephen F. Keller                    The Santa Anita Companies
                                     P.O. Box 60014
                                     Arcadia, CA  91066-6014

J. Thomas Lewis                      Monroe & Lemann
                                     Suite 3300
                                     210 St. Charles Avenue
                                     New Orleans, LA 70170

Fred G. Luber                        Super Steel Products Corp.
                                     P.O. Box 23418
                                     Milwaukee, WI 53223

</TABLE>


                                     C-2


<PAGE>   54


<TABLE>
<S>                                  <C>
Daniel F. McKeithan, Jr.             Tamarack Petroleum Company, Inc.
                                     Suite 1920
                                     777 East Wisconsin Avenue
                                     Milwaukee, WI 53202

Guy A. Osborn                        Universal Foods Corp.
                                     433 East Michigan Street
                                     Milwaukee, WI 53202

Donald J. Schuenke                   The Northwestern Mutual
                                     Life Insurance Company
                                     720 East Wisconsin Avenue
                                     Milwaukee, WI 53202

H. Mason Sizemore, Jr.               The Seattle Times
                                     P.O. Box 70
                                     Seattle, WA  98111

Harold Byron Smith, Jr.              Illinois Tool Works, Inc.
                                     3600 West Lake Avenue
                                     Glenview, IL 60625-5811

Sherwood H. Smith, Jr.               Carolina Power & Light Company
                                     P.O. Box 1551
                                     Raleigh, NC  27602

John E. Steuri                       ALLTEL Information
                                     Services, Inc.
                                     4001 Rodney Parham Road
                                     Little Rock, AR 72212-2496

John J. Stollenwerk                  Allen-Edmonds Shoe Corporation
                                     201 East Seven Hills Road
                                     P.O. Box 998
                                     Port Washington, WI 53074-0998

Barry L. Williams                    Williams Pacific Ventures, Inc.
                                     1200 Bayhill Drive, Suite 300
                                     San Bruno, CA  94066

Kathryn D. Wriston                   870 United Nations Plaza
                                     Apartment 23-A
                                     New York, NY 10017

</TABLE>

   EXECUTIVE OFFICERS


<TABLE>
<CAPTION>
Name                          Title
- ----                          -----
<S>                           <C>
Deborah A. Beck               Senior Vice President
William H. Beckley            Vice President
John M. Bremer                Senior Vice President, General Counsel and
                               Secretary
Peter W. Bruce                Executive Vice President
Robert E. Carlson             Executive Vice President and Trustee
Steven T. Catlett             Vice President
Mark G. Doll                  Senior Vice President
Thomas E. Dyer                Vice President

</TABLE>


                                     C-3

<PAGE>   55


<TABLE>
<S>                              <C>
   James W. Ehrenstrom           Senior Vice President
   James D. Ericson              President and Chief Executive Officer,
                                   Trustee
   Richard L. Hall               Senior Vice President
   William C. Koenig, FSA        Senior Vice President and Chief Actuary
   Gary E. Long                  Vice President and Controller
   Susan A. Lueger               Vice President
   Meridee J. Maynard            Vice President
   Donald L. Mellish             Vice President
   Gregory C. Oberland           Vice President
   Ralph A. Pelton               Vice President
   Barbara F. Piehler            Vice President
   James F. Reiskytl             Vice President
   Virgil L. Renne, Jr.          Vice President - Employer Product Marketing
   Mason G. Ross                 Senior Vice President
   Leonard F. Stecklein          Vice President - Policyowner Services
   Frederic H. Sweet             Senior Vice President
   Dennis Tamcsin                Senior Vice President
   Martha M. Valerio             Vice President
   W. Ward White                 Vice President
   Walt J. Wojcik                Senior Vice President
   Edward J. Zore                Executive Vice President
</TABLE>

   OTHER OFFICERS
   
<TABLE>
<CAPTION>
   Name                             Title
   ----                             -----
<S>                            <C>
   John M. Abbott              Associate Director - Benefits
                                  Research
   Ronald C. Alberts           Investment Officer
   Thomas R. Anderson          Assistant Director - Advanced
                                  Marketing
   Maria J. Avila              Assistant Controller
   Michael J. Backus           Associate Director of Information
                                  Systems
   Jerome R. Baier             Director - Securities
   John E. Bailey              Senior Actuary
   Nicholas H. Bandow          Assistant Director-Information
                                  Systems
   Lynn F. Bardele             Director - Corporate Services
   Walter L. Barlow            Assistant Director of Education
   David A. Barras             Associate Director
   Bradford P. Bauer           Assistant Director-Advanced 
                                  Marketing
   James M. Baumgartner        Officer - Underwriting Standards &
                                  Services
   Robert J. Berdan            Assistant General Counsel &
                               Assistant Secretary
   Beth M. Berger              Assistant General Counsel &
                               Assistant Secretary
   James L. Bergschneider      Director - Underwriting Services
   Frederick W. Bessette       Assistant General Counsel & Asst.
                                  Secretary
   Erik E. Bieck               Director - Individual Annuity
                                  Marketing
   D. Rodney Bluhm             Assistant General Counsel
   Donald T. Bobbs             Investment Officer
</TABLE>

                                     C-4


<PAGE>   56


<TABLE>
<S>                            <C>
   Timothy J. Bohannon         Vice President
   Margaret Bowe Bonvicini     Associate Director - Employment &
                                 Affirmative Action
   Willette Bowie              Employee Relations Director
   Mark C. Boyle               Assistant General Counsel & Asst.
                                 Secretary
   Martin R. Braasch           Director - Underwriting Standards &
                                 Services
   Patricia R. Braeger         Assistant Director - Information
                                 Systems
   Melissa C. Brooks           Assistant Director - Advanced
                                 Marketing
   Mary P. Buczynski           Assistant Director
   William J. Buholzer         Employee Relations Director
   Michael S. Bula             Assistant General Counsel
   Jerry C. Burg               Associate Director - Field Benefits
   Gregory B. Bynan            Director - Corporate Services
   Kim M. Cafaro               Assistant General Counsel & Asst.
                                 Secretary
   Shanklin B. Cannon, M.D.    Medical Director - Life
                                 Products/Research
   Terese J. Capizzi           Actuarial Products Officer
   Kurt P. Carbon              Assistant Regional Director
   Thomas A. Carroll           Director - Common Stock Division
   Michael G. Carter           Assistant General Counsel & Asst.
                                 Secretary
   William W. Carter           Associate Actuary
   John E. Caspari             Assistant Director - Advertising &
                                 Corporate Information
   Walter J. Chossek           Associate Controller
   Thomas R. Christenson       Director - Employer Product Services
   J. Thomas Christofferson    Vice President
   David D. Clark              Director - Real Estate Investments
   Alan E. Close               Associate Controller
   Carolyn M. Colbert          Assistant Director - New
                                 Business
   Timothy S. Collins          Associate Director
   Margaret Winter Combe       Assistant Director - Process
                                 and Project Management
   Virginia A. Corwin          Assistant Director - New Business
   Barbara E. Courtney         Assistant Controller
   Larry A. Curran             Actuarial Administrative Officer
   Daniel G. Cuske             Associate Director - Fixed Income
   Brian H. Davidson           Associate Director
   Thomas H. Davis             Associate Director - Information
                                 Systems
   Jefferson V. De Angelis     Vice President - Fixed Income
   Nicholas De Fino            Assistant Director
   David J. Derfus             Assistant Controller
   Carol A. Detlaf             Associate Director - Human Resources
   John Diliberti              Assistant Director - New Business
   Joseph Dobering, III        Director - Underwriting Standards &
                                 Services
   Timothy Doubek              Director - Fixed Income
</TABLE>

                                     C-5
   
<PAGE>   57
   

<TABLE>
<S>                            <C>
   Daniel C. Dougherty         Director - Individual Product
                                Marketing
   Margaret T. Dougherty       Assistant Director - Information
                                Systems
   William O. Drehfal          Assistant Director - Media Services
   Jeffrey S. Dunn             Vice President
   Somayajulu Durvasula        Assistant Director - Field Financial
   James R. Eben               Assistant General Counsel and
                                Assistant Secretary
   Christina H. Fiasca         Director - Policyowner Services
   Zenia J. Fieldbinder        Assistant Director - Employer
                                Product Services
   Richard F. Fisher           Senior Actuary
   Dennis J. Fitzpatrick       Director - Advanced Marketing
   Jon T. Flaschner            Director - Policyowner Services
   Elfa O. Foldi               Associate Director - Facilities
                                Planning
   Donald Forecki              Investment Officer
   Stephen H. Frankel          Vice President
   H. Daniel Gardner           Vice President & Insurance Counsel
   Richard R. Garthwait        Vice President - Field Financial
   David L. Georgenson         Director - Agent Development
   Paulette A. Getschman       Assistant Director - Policyowner 
                                Services
   George Ghanem               Assistant Regional Director - Agency
   James W. Gillespie          Vice President
   Walter M. Givler            Director - Corporate Services
   Robert K. Gleeson, M.D.     Vice President - Medical Director
   Mark J. Gmach               Assistant Regional Director - Agency
   John W. Gordon              Assistant Director - Information
                                Systems
   Linda J. Gorens-Levey       Associate Director
   David Lee Gosse             Assistant Director - Disability
                                Benefits
   William F. Grady            Associate Director of Field Finances
   Francis A. Grandelis        Assistant Director
   John M. Grogan              Assistant General Counsel and
                                Assistant Secretary
   Jill M. Grueninger          Investment Officer
   Thomas C. Guay              Associate Actuary
   Colleen M. Gunther          Investment Officer
   Gerald A. Haas              Assistant Director - Information
                                Systems
   Carol A. Haiar              Communications Coordinator
   Stanley K. Hall             Director - Policyowner Services
   Thomas P. Hamilton          Associate Director - Information
                                Systems
   William M. Harris           Assistant Regional Director - South
   Dennis R. Hart              Assistant Director - Agent
                                Development
   James C. Hartwig            Vice President - Advanced Marketing
   Paul F. Heaton              Assistant General Counsel and
                                Assistant Secretary
   William L. Hegge            Associate Director of
                                Telecommunications
   Wayne F. Heidenreich        Assistant Medical Director
   Jacquelyn F. Heise          Assistant Director - Information
</TABLE>
   
                                     C-6
   
<PAGE>   58
   
<TABLE>
<S>                            <C>
                                Systems
   Robert L. Hellrood          Director - New Business
   Herbert F. Hellwig          Assistant Director - Individual
                                Annuity Marketing
   Jane A. Herman              Assistant Director - Term Upgrade
   Gary M. Hewitt              Vice President & Treasurer
   Donna R. Higgins            Assistant Director - Information
                                Systems
   Susan G. Hill               Assistant Director
   Hugh L. Hoffman             Assistant Director - Information
                                Systems
   Richard S. Hoffmann         Director - Audit
   Susan M. Hoffmann           Life Product Officer
   Bruce Holmes                Assistant Actuary
   Cindy L. Jackson            Investment Officer
   Meg E. Jansky               Human Resources - Training
                                Development Officer
   Michael D. Jaquint          Assistant Actuary
   Michael P. Johnson          Investment Officer
   Dolores A. Juergens         Associate Director of Restaurant
                                Operations
   Marilyn J. Katz             Assistant Director - Medical
                                Consultants
   John W. Keller              Managing Actuary
   Kevin C. Kennedy            Investment Officer - Architecture
   James B. Kern               Regional Director - Central Region
   David R. Keuler             Investment Officer
   Carson D. Keyes             Vice President
   Donald C. Kiefer            Vice President
   Mark E. Kishler             Investment Officer
   Allen B. Kluz               Director - Field Financial
   Beatrice C. Kmiec           Assistant Regional Director - East
   Kent Knudsen                Associate Director
   Daniel C. Knuth             Investment Officer
   William S. Koch             Assistant Regional Director - Agency
   A. Kipp Koester             Vice President
   John L. Kordsmeier          Human Resources Officer
   Dennis Korjenek, Jr.        Director - Fixed Income
   Robert J. Kowalsky          Assistant Director - Information
                                 Systems
   Carol L. Kracht             Assistant General Counsel & Asst.
                                Secretary
   Todd L. Laszewski           Assistant Actuary
   Patrick J. Lavin            Director - Life & Disability
                                Benefits
   Patrick W. Lavin            Assistant Treasurer & Assistant
                                Secretary
   James L. Lavold             Associate Director - Meetings
   Russell M. Lemken           Assistant Director - Consumer
                                Research
   Sally Jo Lewis              Assistant General Counsel & Asst.
                                Secretary
   Mark P. Lichtenberger       Assistant Director - LINK Technical
                                Planning
   Steven M. Lindstedt         Assistant Director - Information
                                Systems
   James Lodermeier            Assistant Director - Tax Planning
</TABLE>
                               
   
                                     C-7
   
<PAGE>   59
   

<TABLE>
   <S>                          <C>
   James G. Loduha              Assistant Director - Asset
                                 Management
   George R. Loxton             Assistant General Counsel &
                                 Assistant Secretary
   Mary M. Lucci                Director - New Business
   Mark J. Lucius               Corporate Information Officer
   Jeffrey J. Lueken            Associate Director
   Merrill C. Lundberg          Assistant General Counsel & Asst.
                                 Secretary
   Jon K. Magalska              Assistant Director - Policyowner
                                 Services
   Jean M. Maier                Director - New Business
   Joseph Maniscalco            Associate Director - Information
                                 Systems
   Jeffrey S. Marks             Multi Life, Research & Reinsurance
                                 Officer
   Steve Martinie               Assistant General Counsel & Asst.
                                 Secretary
   Ted A. Matchulat             Actuarial Products Officer
   Margaret McCabe              Associate Director - Policy Benefits
                                 Systems
   Richard A. McComb            Director - Human Resources
   William L. McCown            Vice President & Investment Counsel
   Paul E. McElwee              Assistant General Counsel & Asst.
                                 Secretary
   Mary C. McIntosh             Assistant Director - Field Financial
   Daniel E. McGinley           Assistant Director - Management
                                 Development
   Mark J. McLennon             Assistant Director - Advanced
                                 Marketing
   Robert J. Meiers             Ad Valorem Tax Manager
   Larry S. Meihsner            Assistant General Counsel &
                                 Assistant Secretary
   Robert G. Meilander          Vice President
   Kelly H. Mess                Investment Officer
   Charles L. Messler           Director - Natural Gas Sales
   Richard E. Meyers            Assistant General Counsel
   Jay W. Miller                Vice President & Tax Counsel
   Sara K. Miller               Vice President
   Tom M. Mohr                  Director of Policyowner Services -
                                 South
   Richard C. Moore             Associate Actuary
   Scott J. Morris              Assistant General Counsel and
                                 Assistant Secretary
   Sharon A. Morton             Investment Officer
   Adrian J. Mullin             Assistant Director - Individual
                                 Product Marketing
   Randolph J. Musil            Assistant Director - Advanced
                                 Marketing
   David K. Nelson              Assistant General Counsel
   Ronald C. Nelson             Actuary
   Karen M. Niessing            Assistant Director - Policyowner
                                 Services
   Donald L. O'Dell             Vice President
   Daniel J. O'Meara            Director - Field Financial
   John K. O'Meara              Assistant Director - Advanced
                                 Marketing

</TABLE>
   
                                     C-8
   
   
<PAGE>   60


<TABLE>
<S>                             <C>
   Mary Joy O'Meara             Assistant Director - Advanced
                                 Marketing
   Kathleen A. Oman             Associate Director - Information
                                 Systems
   Thomas A. Pajewski           Investment Research Officer
   Arthur V. Panighetti         Director - Tax Planning
   Christen L. Partleton        Assistant Director - Policyowner
                                 Services
   Dennis L. Paul               Assistant General Counsel
   David W. Perez               Assistant General Counsel
   Judith L. Perkins            Assistant General Counsel & Asst.
                                 Secretary
   Wilson D. Perry              Assistant General Counsel & Asst.
                                 Secretary
   Gary N. Peterson             Actuary
   John C. Peterson             Assistant Director of Policyowner
                                 Services - West
   Harvey W. Pogoriler          Assistant General Counsel
   Gary A. Poliner              Vice President
   Randolph R. Powell, M.D.     Medical Director
   Mark A. Prange               Associate Director - Information
                                 Systems
   Thomas M. Price              Investment Officer
   David R. Remstad             Actuary
   David R. Retherford          Assistant Director of New Business -
                                 Central
   Stephen M. Rhode             Assistant Director - Qualified
                                 Benefits
   Robert C. Richardson         Investment Officer
   Richard R. Richter           Vice President
   Marcia Rimai                 Vice President - Litigation Counsel
   Kathleen M. Rivera           Vice President - Insurance Counsel
   Faith B. Rodenkirk           Assistant Director - Group Marketing
   Ramona Windson-Rogers        Financial Officer
   James S. Rolfsmeyer          Assistant Director - Information
                                 Systems
   Larry R. Roscoe              Assistant Director - Compliance
   Lora A. Rosenbaum            Assistant Director - Compliance
   Robert K. Roska              Associate Director - Information
                                 Systems
   Sue M. Roska                 Director - Systems and
                                 Services
   Robert M. Ruess              Vice President
   Harry L. Ruppenthal          Director of Policyowner Services -
                                 East
   Stephen G. Ruys              Assistant Director - Information
                                 Systems
   Santo Saliture               Associate Director of Advertising &
                                 Corporate Information
   Rose Kordich Sasich          Assistant Director of Systems
   Mary Ann Schachtner          Assistant Director - Life Insurance
                                 Marketing
   Thomas F. Scheer             Assistant General Counsel & Asst.
                                 Secretary
   Carlen A. Schenk             Assistant Director
   Jane A. Schiltz              Director - Individual Product
   Emily K. Schleinz            Investment Officer
</TABLE>



                                     C-9
   
   
<PAGE>   61

<TABLE>
   <S>                          <C>
   John E. Schlifske            Director
   Kathleen H. Schluter         Assistant General Counsel &
                                 Secretary
   Calvin R. Schmidt            Assistant Director - Information
                                 Systems
   Richard A. Schnell           Assistant Director - Asset
                                 Management
   John O. Schnorr              Director - Annuity Tax & Title
                                 Services
   Margaret R. Schoewe          Vice President - Information Systems
   Todd M. Schoon               Assistant Regional Director - Agency
   Jeffrey G. Schragin          Associate Medical Director
   John F. Schroeder            Associate Director of Field Office
                                 Real Estate
   Melva T. Seabron             Associate Director - Human Resources    
                                 & Budget
   Norman W. Seguin, II         Investment Officer - Ad Valorem
                                 Taxes
   Catherine L. Shaw            Assistant General Counsel & Asst.
                                 Secretary
   John E. Sheaffer, Jr.        Assistant Director - Agent
                                 Development
   William Shinkwin             Director of Tax Planning
   Janet Z. Silverman           Assistant Director - New Business
   Stephen M. Silverman         Assistant General Counsel
   David W. Simbro              Actuary
   Eugene R. Skaggs             Vice President
   Paul W. Skalecki             Assistant Actuary
   Cynthia S. Slavik            Investment Officer - Environmental
                                 Engineer
   Ignatius L. Smetek           Director - Common Stocks
   Lois A. Smith                Director - Asset Management
   Mark W. Smith                Assistant General Counsel & Asst.
                                 Secretary
   Warren L. Smith, Jr.         Investment Officer - Architecture
   Steven W. Speer              Director - Individual Product
                                 Marketing
   Robert J. Spellman, M.D.     Vice President & Chief Medical     Director
   Barbara J. Stansberry        Director - Administrative
                                 Services/Medical Studies
   Jason Steigman               Investment Product Officer
   Bonnie L. Steindorf          Director - Department Operations
   Colleen J. Stenholt          Director - Organization Development
   Karen J. Stevens             Assistant General Counsel &
                                 Assistant Secretary
   Richard A. Strait            Director
   Linda L. Streifender         Associate Director - Training &
                                 Communications
   Steven J. Stribling          Associate Actuary
   Stephen J. Strommen          Associate Director - Financial
                                 Planning
   Theodore H. Strupp                      Assistant Director
   Daniel J. Suprenant          Director - Group Disability
                                 Marketing
   Christopher P. Swain                    Investment Officer
   Steven P. Swanson            Vice President
   
</TABLE>
   
                                     C-10
   
<PAGE>   62

<TABLE>
   <S>                          <C>
   Rachel L. Taknint            Assistant General Counsel & Asst.
                                 Secretary
   Thomas Talajkowski           Assistant Director - Tax
                                 Compliance
   William H. Taylor            Associate Director - Advanced     
                                Marketing
   Paul B. Tews                 Associate Director - Investment
                                 Planning
   Susan M. Tompkins            Director - Recruitment & Management
   Thomas W. Towers             Associate Director - Public
                                 Relations
   Linda K. Tredupp             Assistant Director - Information
                                 Systems
   Chris G. Trost               Associate Actuary
   Julie Van Cleave             Director - Common Stock
   Mark J. Van Cleave           Assistant Director of Marketing
                                 Research
   Michael T. Van Grinsven      Assistant Director - Management
                                 Development
   Mary Beth Van Groll          Vice President - Information Systems
   Patricia L. Van Kampen       Vice President - Common Stocks
   Glen J. Vanic                Investment Research Officer
   Gloria J. Venski             Assistant Director - Disability
                                 Benefits
   Richard F. Von Haden         Director - Real Estate Production
   Margaret A. Wainer           Assistant Director - Corporate
                                 Planning & Information
   William R. Walker            Director - Common Stock
   Scott E. Wallace             Assistant Director - Operations
   Hal W. Walter                Vice President
   Robert J. Waltos             Assistant Regional Director -
                                Agency
   P. Andrew Ware               Vice President
   Kathleen S. Warner           Assistant Director - Asset
                                 Management
   Mary L. Wehrle-Schnell       Associate Director - Information
                                 Systems
   Daniel T. Weidner            Assistant Director - Information
                                 Systems
   Ronald J. Weir               Associate Director - Information
                                 Systems
   Kenneth D. Weiser            Assistant Director - Sales Services
   Karen J. Weiss               Senior Actuary
   Kenneth R. Wentland          Assistant Director of Policyowner
                                 Services - East
   Sandra D. Wesley             Assistant Director of Special
                                 Projects
   Charles D. Whittier          Assistant Director - Disability
                                 Income Marketing
   Catherine A. Wilbert         Assistant General Counsel &
                                 Secretary
   David L. Wild                Director - Corporate Services
   Jeffrey B. Williams          Risk Manager
   John K. Wilson               Assistant Director - Individual
                                 Product Marketing
   Debra C. Wing                Investment Officer
   Penelope A. Woodcock         Associate Director - Benefit Systems

</TABLE>

                                     C-11
   

<PAGE>   63


<TABLE>
<S>                          <C>
Stanford A. Wynn             Assistant Director - Advanced
                              Marketing
Catherine M. Young           Assistant General Counsel &
                              Secretary
Michael L. Youngman          Vice President - Legislative
                              Representative
James A. Youngquist          Associate Actuary
Richard S. Zakrzewski        Associate Research Officer
John Zao                     Assistant Director - Information
                              Systems
Rick T. Zehner               Director - Corporate Planning
Patricia A. Zimmermann       Investment Officer - Real Estate
                              Systems
Ray Zimmermann               Director - LINK Information Network
Philip R. Zweig              Director - Technical Support
Robert E. Zysk               Director - Tax Compliance
</TABLE>


The business addresses for all of the executive officers and other officers is
720 East Wisconsin Avenue, Milwaukee, Wisconsin 53202.

Item 26. Persons Controlled By or Under Common Control with the Depositor
         or Registrant

     The subsidiaries of The Northwestern Mutual Life Insurance Company
("Northwestern Mutual Life"), as of March 1, 1996, are set forth on pages C-13
and C-14.  In addition to the subsidiaries set forth pages on C-13 and C-14,
the following separate investment accounts (which include the Registrant) may
be deemed to be either controlled by, or under common control with,
Northwestern Mutual Life:
     1.  NML Variable Annuity Account A
     2.  NML Variable Annuity Account B
     3.  NML Variable Annuity Account C
     4.  Northwestern Mutual Variable Life Account

     Northwestern Mutual Series Fund, Inc. (the "Fund"), shown on page C-13 as
a subsidiary of Northwestern Mutual Life, is an investment company registered
under the Investment Company Act of 1940, offering its shares to the separate
accounts identified above; and the shares of the Fund held in connection with
certain of the accounts are voted by Northwestern Mutual Life in accordance
with voting instructions obtained from the persons who own, or are receiving
payments under, variable annuity contracts or variable life insurance policies
issued in connection with the accounts, or in the same proportions as the
shares which are so voted.

                                     C-12

<PAGE>   64


                           NML CORPORATE STRUCTURE*

The Northwestern Mutual Life Insurance Company
General Account
NML Variable Annuity Account A
NML Variable Annuity Account B
NML Variable Annuity Account C
NML Group Annuity Separate Account
NML Variable Life Account
Eiger Corporation - 100%
Northwestern Mutual Life Foundation, Inc. - 100%
NML Corporation - 100%
Standard of America Life Insurance Company - 100%
Saskatoon Centre, Limited (inactive) - 100%
Northwestern Mutual Series Fund, Inc. (and its 9 portfolios) - 100%
MGIC Investment Corporation - 20%.  MGIC holds 100% of the voting stock of the
     following:  Mortgage Guaranty Reinsurance Corporation, MGIC, MGIC
     Reinsurance Corporation, MGIC Mortgage Insurance Corporation, and various
     subsidiaries.
Baird Financial Corporation - 92.22%.  Baird Financial Corporation holds 100%
     of the voting stock of Robert W. Baird & Co., Incorporated and various
     subsidiaries.
Northwestern Mutual Investment Services, Inc. - 100%
The Grand Avenue Corporation - 98.54%
Marina Pacific, Ltd. - 100%
NW Pipeline, Inc. - 100%
NML - Bellevue Corporation - 100%
Solar Resources, Inc. - 100%
NH Corporation (inactive) - 100%
Rocket Sports, Inc. - 100%
Summit Sports, Inc. - 100%
Greenway Sports, Inc. - 100%
Painted Rock Development Corporation - 100%
NML Development Corporation - 100%
Stadium and Arena Management, Inc. - 100%
RE Corporation - 100%
Carlisle Ventures, Inc. - 100%
INV Corp. - 100%
Buffalo Promotions, Inc. - 100%
Park Forest Northeast, Inc. - 100%
NW Greenway #1 - 100%
NW Greenway #9 - 100%
Travers International Sales, Inc. - 100%
Highbrook International Sales, Inc. - 100%
Elderwood International Sales, Inc. - 100%
Mallon International Sales, Inc. - 100%
Higgins, Inc. - 100%
Hobby, Inc. - 100%
Logan, Inc. - 100%
Baraboo, Inc. - 100%
Mitchell, Inc. - 100%
Elizabeth International Sales, Inc. - 100%         *Includes all NML mutual
Sean International Sales, Inc. - 100%               funds and other corpor-
Alexandra International Sales, Inc. - 100%          ations of which 50% or
Brian International Sales, Inc. - 100%              more of voting power
Jack International Sales, Inc. - 100%               controlled by NML
Brendan International Sales, Inc. - 100%
Justin International FSC, Inc. - 100%                                3-1-96

                                     C-13

<PAGE>   65


                      NML CORPORATE STRUCTURE, CONTINUED*

Cass Corporation - 100%
Mason & Marshall, Inc. - 100%
North Van Buren, Inc. - 100%
Northwestern Mutual Life International, Inc. - 100%
White Oaks, Inc. - 100%
Burgundy, Ind. - 100%
Hazel, Inc. - 100%
Maroon, Inc. - 100%
Coral, Inc. - 100%
Russet, Inc. - 100%
Amber, Inc. - 100%














                                                  *Includes all NML mutual
                                                  funds and other corpor-
                                                  ations of which 50% or
                                                  more of voting power
                                                  controlled by NML
                                                  
                                                                    3-1-96
                                                  

                                     C-14

<PAGE>   66


Item 27. Number of Contract Owners

     As of March 31, 1996, 17,859 variable annuity contracts issued in
connection with NML Variable Annuity Account A were outstanding.  All such
contracts were issued as contracts for plans qualifying for special treatment
under various provisions of the Internal Revenue Code.

Item 28. Indemnification

     That portion of the By-laws of Northwestern Mutual Life relating to
indemnification of Trustees and officers is set forth in full in Article VII of
the By-laws of Northwestern Mutual Life, amended by resolution and previously
filed as an exhibit to the Registration Statement.

Item 29. Principal Underwriters

     (a) Northwestern Mutual Investment Services, Inc. ("NMIS"), the
broker-dealer subsidiary of Northwestern Mutual Life, may be considered the
principal underwriter currently distributing securities of the Registrant.
NMIS is also co-depositor, and may be considered the principal underwriter, for
NML Variable Annuity Account B and Northwestern Mutual Variable Life Account,
separate investment accounts of Northwestern Mutual Life registered under the
Investment Company Act of 1940 as unit investment trusts.  In addition NMIS is
the investment adviser for  Northwestern Mutual Series Fund, Inc.

     (b) The directors and officers of NMIS are as follows:

<TABLE>
<CAPTION>
     Name                                    Position
     ----                                    --------
     <S>                      <C>
     Susan M. Achtenhagen          Assistant Superintendent-New
                                    Business
     Edwin R. Ahrenhoerster        Superintendent-Policy Benefits
     Thomas A. Carroll             Vice President-Common Stocks
     Walter J. Chossek             Treasurer
     Thomas R. Christenson         Superintendent-Policyowner Service
     Carolyn M. Colbert            Superintendent-Underwriting
                                    Standards and New Business
     Barbara E. Courtney           Assistant Treasurer
     Jefferson V. De Angelis       Vice President-Fixed Income
                                    Securities
     Carol A. Detlef               Superintendent-Underwriting
                                    Standards and New Business
     Mark G. Doll                  President and Director
     Timothy Doubek                Vice President
     James R. Eben                 Assistant Secretary
     James D. Ericson              Director
     Zenia J. Fieldbinder          Superintendent-Policyowner Service
     Loraine Garner                Superintendent-Underwriting
                                    Standards and New Business
     Daniel R. Hernday             Superintendent-Underwriting
                                    Standards and New Business
     Susan G. Hill                 Superintendent - Underwriting
                                    Standards & New Business
     Steven M. Kien                Superintendent - Underwriting
                                    Standards & New Business

</TABLE>
     

                                     C-15

<PAGE>   67


<TABLE>
     <S>                      <C>
       Beatrice C. Kmiec             Superintendent - Underwriting
                                      Standards & New Business
       Sharon J. Kraft               Superintendent-Policyowner
                                      Services
       Patricia A. Krueger           Superintendent - Policy Benefits
       Patrick J. Lavin              Superintendent - Underwriting
                                      Standards & New Business
       Patrick W. Lavin              Assistant Treasurer
       Merrill C. Lundberg           Secretary
       Meridee J. Maynard            Superintendent - Sales
                                      Standards/Compliance
       Susan A. Milbeck              Superintendent-Policy Benefits
       Christine A. Milewski         Superintendent-Policy Benefits
       Johnny L. Miller              Superintendent-Policy Benefits
       Suzanne M. Mueller            Superintendent-Underwriting
                                      Standards and New Business
       Elizabeth D. Pitterle         Superintendent-Underwriting
                                      Standards and New Business
       Virgil L. Renne, Jr.          Vice President
       David R. Retherford           Superintendent - Underwriting
                                      Standards & New Business
       Larry R. Roscoe               Superintendent-Compliance and
                                      Training
       Donna B. Saltz                Superintendent-Underwriting
                                      Standards and New Business
       John O. Schnorr               Superintendent-Policy Benefits
       Judith A. Shelton             Superintendent - Policy Benefits
       Ignatius L. Smetek            Vice President - Common Stocks
       Leonard F. Stecklein          Vice President
       Bonnie L. Steindorf           Vice President
       Steven P. Swanson             Vice President
       Carla A. Thoke                Assistant Superintendent-Compliance
       Patricia A. Valoe             Superintendent-Underwriting
                                      Standards and New Business
       Julie Van Cleave              Vice President - Common Stocks
       Patricia L. Van Kampen        Vice President-Common Stocks
       Patrick J. Venuti             Superintendent-Policy Benefits
       William R. Walker             Vice President
       Evenly G. Werra               Superintendent - Underwriting
                                      Standards & New Business
       Edward J. Zore                Director
</TABLE>


       The address for each director and officer of NMIS is 720 East Wisconsin
       Avenue, Milwaukee, Wisconsin 53202.

        (c)    During 1995 life insurance agents of Northwestern Mutual Life who
       are also registered representatives of NMIS received commissions,
       including general agent overrides, in the aggregate amount of $1,317,565
       for sales of variable annuity contracts, and interests therein, issued in
       connection with the Registrant.  NMIS received compensation for its
       investment advisory services from Northwestern Mutual Series Fund, Inc.,
       the investment company in which assets of the Registrant are invested.


                                     C-16

<PAGE>   68


Item 30. Location of Accounts and Records

     All accounts, books or other documents required to be maintained in
connection with the Registrant's operations are maintained in the physical
possession of Northwestern Mutual Life at 720 East Wisconsin Avenue, Milwaukee,
Wisconsin 53202.

Item 31. Management Services

     There are no contracts, other than those referred to in Part A or Part B
of this Registration Statement, under which management-related services are
provided to the Registrant and pursuant to which total payments of $5,000 or
more were made during any of the last three fiscal years.

Item 32. Undertakings

     (a) The Registrant undertakes to file a post-effective amendment to this
Registration Statement as frequently as is necessary to ensure that the audited
financial statements in the Registration Statement are never more than 16
months old for so long as payments under the variable annuity contracts may be
accepted.

     (b) The Registrant undertakes to include either (1) as part of any
application to purchase a contract offered by the prospectus, a space that an
applicant can check to request a Statement of Additional Information, or (2) a
post card or similar written communication affixed to or included in the
prospectus that the applicant can remove to send for a Statement of Additional
Information.

     (c) The Registrant undertakes to deliver any Statement of Additional
Information and any financial statements required to be made available under
this Form promptly upon written or oral request.

     (d) Reference is made to the indemnification provisions disclosed in
response to Item 28.  Insofar as indemnification for liabilities arising under
the Securities Act of 1933 may be permitted to directors, officers and
controlling persons of the Registrant pursuant to the foregoing provisions, or
otherwise, the Registrant has been advised that in the opinion of the
Securities and Exchange Commission such indemnification is against public
policy as expressed in the Act and is, therefore, unenforceable.  In the event
that a claim for indemnification against such liabilities (other than the
payment by the Registrant of expenses incurred or paid by a director, officer
or controlling person of the Registrant in the successful defense of any
action, suit or proceeding) is asserted by such director, officer or
controlling person in connection with the registered securities, the Registrant
will, unless in the opinion of its counsel the matter has been settled by
controlling precedent, submit to a court of appropriate jurisdiction the
question whether such indemnification by it is against public policy as
expressed in the Act and will be governed by the final adjudication of such
issue.

                                     C-17


<PAGE>   69


                                   SIGNATURES

     As required by the Securities Act of 1933, the Registrant, NML Variable
Annuity Account A, certifies that it meets all the requirements for
effectiveness of this Amended Registration Statement pursuant to Rule 485(b)
under the Securities Act of 1933 and has duly caused this Amended Registration
Statement to be signed on its behalf, in the City of Milwaukee, and State of
Wisconsin, on the 26th day of April, 1996.

                                           NML VARIABLE ANNUITY ACCOUNT A
                                           (Registrant)

                                           By THE NORTHWESTERN MUTUAL LIFE
                                           INSURANCE COMPANY
                                           (Depositor)

      Attest: JOHN M. BREMER               By: JAMES D. ERICSON
             ----------------------------     -----------------------------
              John M. Bremer, Senior Vice      James D. Ericson, President
               President, General Counsel       and Chief Executive Officer
               and Secretary

     As required by the Securities Act of 1933, this Amended Registration
Statement has been signed by the depositor on the 26th day of April, 1996.

                                            THE NORTHWESTERN MUTUAL LIFE
                                            INSURANCE COMPANY
                                            (Depositor)

      Attest: JOHN M. BREMER               By: JAMES D. ERICSON
             ----------------------------     -----------------------------
              John M. Bremer, Senior Vice      James D. Ericson, President
               President, General Counsel       and Chief Executive Officer
               and Secretary

     As required by the Securities Act of 1933, this Amended Registration
Statement has been signed by the following persons in the capacities with the
depositor and on the dates indicated:


          Signature            Title
          ---------            -----

                               Trustee, President and
          JAMES D. ERICSON     Principal Executive and
          -------------------  Financial Officer
          James D. Ericson     


          GARY E. LONG         Vice President, Controller
          -------------------  and Principal Accounting
          Gary E. Long         Officer
                               


          RICHARD H. HOLTON*   Trustee                          Dated
          -------------------                                   April 26, 1996
          Richard H. Holton                                     


          HAROLD B. SMITH*     Trustee
          -------------------
          Harold B. Smith



                                     C-18


<PAGE>   70


J. THOMAS LEWIS*                Trustee
- ----------------------------
J. Thomas Lewis



FRANK H. BERTSCH*               Trustee
- ----------------------------
Frank H. Bertsch



PATRICIA ALBJERG GRAHAM*        Trustee
- ----------------------------
Patricia Albjerg Graham*



DONALD J. SCHUENKE*             Trustee
- ----------------------------
Donald J. Schuenke



FRED G. LUBER*                  Trustee
- ----------------------------
Fred G. Luber



R. QUINTUS ANDERSON*            Trustee                          Dated
- ----------------------------                                     April 26, 1996 
R. Quintus Anderson 



STEPHEN F. KELLER*              Trustee
- ----------------------------
Stephen F. Keller



PIERRE S. du PONT*              Trustee
- ----------------------------
Pierre S. du Pont



J. E. GALLEGOS*                 Trustee
- ----------------------------
J. E. Gallegos



THOMAS I. DOLAN*                Trustee
- ----------------------------
Thomas I. Dolan



KATHRYN D. WRISTON*             Trustee
- ----------------------------
Kathryn D. Wriston



BARRY L. WILLIAMS*              Trustee
- ----------------------------
Barry L. Williams

                                     C-19


<PAGE>   71


GORDON T. BEAHAM III*           Trustee
- ----------------------------
Gordon T. Beaham III



DANIEL F. McKEITHAN, JR.*       Trustee
- ----------------------------
Daniel F. McKeithan, Jr.



ROBERT E. CARLSON*              Trustee
- ----------------------------
Robert E. Carlson



                                Trustee
- ----------------------------
Edward E. Barr


ROBERT C. BUCHANAN*             Trustee                          Dated
- ----------------------------                                     April 26, 1996
Robert C. Buchanan                         


SHERWOOD H. SMITH, JR.*         Trustee
- ----------------------------
Sherwood H. Smith, Jr.



H. MASON SIZEMORE, JR.*         Trustee
- ----------------------------
H. Mason Sizemore, Jr.



JOHN J. STOLLENWERK*            Trustee
- ----------------------------
John J. Stollenwerk



GEORGE A. DICKERMAN*            Trustee
- ----------------------------
George A. Dickerman



GUY A. OSBORN*                  Trustee
- ----------------------------
Guy A. Osborn



JOHN E. STEURI*                 Trustee
- ----------------------------
John E. Steuri


*By:  JAMES D. ERICSON
     James D. Ericson, Attorney in Fact,
     pursuant to the Power of Attorney
     filed on November 13, 1995

                                     C-20



<PAGE>   72
                                 EXHIBIT INDEX
                          EXHIBITS FILED WITH FORM N-4
                       POST-EFFECTIVE AMENDMENT NO. 7 TO
            REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
                                      FOR
                         NML VARIABLE ANNUITY ACCOUNT A



<TABLE>
<CAPTION>
              Exhibit Number  Exhibit Name
              --------------  -----------------------------------
              <S>             <C>


              EX-99.B11       Consent of Independent Accountants.
</TABLE>











<PAGE>   1
                                   EX-99.B11

                       CONSENT OF INDEPENDENT ACCOUNTANTS




     We hereby consent to the use in the Statement of Additional Information
constituting part of this Post-Effective Amendment No. 7 to the registration
statement on Form N-4 (the "Registration Statement") of our report dated
January 24, 1996, relating to the financial statements of The Northwestern
Mutual Life Insurance Company, and of our report dated January 24, 1996,
relating to the financial statements of NML Variable Annuity Account A, which
appear in such Statement of Additional Information, and to the incorporation by
reference of such reports into the Prospectus which constitutes part of this
Registration Statement.  We also consent to the reference to us under the
heading "Experts" in such Statement of Additional Information.













PRICE WATERHOUSE LLP


Milwaukee, Wisconsin
   
April 24, 1996
    



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