BIOWHITTAKER INC
10-K/A, 1997-04-29
IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES
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- -------------------------------------------------------------------------------

                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                  Form 10-K/A-1
(Mark One)
|_| Annual  Report  Pursuant  to  Section  13 or 15(d)  of the  Securities
     Exchange Act of 1934 
     (Fee Required)
For the fiscal year ended October 31, 1996
|_|  Transition Report Pursuant to Section 13 or 15(d) of the Securities 
     Exchange Act of 1934
     (No Fee Required)
For the transition period from                    to
Commission file number      1-10870

                               BIOWHITTAKER, INC.
                               ------------------
             (Exact name of Registrant as specified in its charter)

           Delaware                                     95-3917176
           --------                                     ----------
(State or other Jurisdiction of                      (I.R.S. Employer
Incorporation or Organization)                       Identification No.)

8830 Biggs Ford Road, Walkersville, Maryland            21793-0127
- --------------------------------------------            ----------
(Address of Principal Executive Offices)                (zip code)

Registrant's telephone number, including area code  (301) 898-7025

           Securities registered pursuant to Section 12(b) of the Act:

                                                     Name of Each Exchange
       Title of Each Class                            on Which Registered
       -------------------                            -------------------
 Common Stock, par value $.01 per share             New York Stock Exchange
 Preferred Stock Purchase Rights                    New York Stock Exchange

           Securities registered pursuant to Section 12(g) of the Act:
                                      None
    Indicate by check whether the registrant: (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the  preceding 12 months (or for such  shorter  period that the  registrant  was
required  to file  such  reports),  and  (2) has  been  subject  to such  filing
requirements for the past 90 days. |X| Yes |_| No
    Indicate by check mark if disclosure of delinquent  filers  pursuant to Item
405 of Regulation S-K is not contained herein, and will not be contained, to the
best of registrant's  knowledge,  in definitive proxy or information  statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K. | |
    The aggregate market value of the voting stock held by non-affiliates of the
Registrant at December 31, 1996 was $63,629,672.  The aggregate market value was
computed by reference  to the closing  price as of that date.  (For  purposes of
calculating this amount only, all directors, executive officers and greater than
10% shareholders of the Registrant are treated as affiliates.)
    The number of shares  outstanding of the  Registrant's  only class of common
stock as of December 31, 1996 was 10,759,199.
                       Documents Incorporated by Reference
                       -----------------------------------
    Portions  of the  Registrant's  definitive  Proxy  Statement  for its annual
meeting to be held on March 14, 1997 are incorporated by reference in Part III.
- -------------------------------------------------------------------------------




<PAGE>



                                         PART IV

Item 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K.

          The following documents are filed as part of this report:
                                                                 Page Reference
                                                                   Form 10-K
                                                                   ---------
(a-1) Financial Statements:
      Consolidated Statements of Income for the three years ended 
          October 31,1996                                                 15
      Consolidated Balance Sheets as of October 31, 1996 and 1995.....    16
      Consolidated Statements of Stockholders' Equity for the three 
          years ended October 31, 1996................................    17
      Consolidated Statements of  Cash  Flows for the three years ended
          October 31, 1996............................................    18
      Notes to Consolidated Financial Statements......................    19
      Report of Independent Auditors..................................    29
      Audited Financial Statements and Schedules of BioWhittaker, Inc.
      Savings and Stock Investment Plan for the two years 
          ended October 31, 1996......................................  Only in
                                                                       10-K/A-1
(a-2) Financial Statement Schedules:
         Schedule II-Valuation and Qualifying Accounts................    F-1

           All supplemental  schedules other than as set forth above are omitted
as  inapplicable  or  because  the  required  information  is  included  in  the
Consolidated  Financial  Statements  or  the  Notes  to  Consolidated  Financial
Statements.

(a-3) Exhibits:*

     3.1  Certificate of Incorporation of the Registrant.(Exhibit 3.1 to Form 10
          General  Form  for   Registration  of  Securities  (the "Form 10")  as
          originally  filed  with  the  Securities  and  Exchange Commission  on
          September 25, 1991.)

     3.2  Bylaws of the Registrant. (Exhibit 3.2 to the Form 10).

     4.1  Form of Certificate of Designation relating to the Registrant's Series
          A Participating Cumulative Preferred Stock.(Exhibit 4.1 to the 
          Form 10).

     4.2  Form of Stockholder Protection Rights Agreement between the Registrant
          and Bank of Boston, as Rights Agent.(Exhibit 4.2 to Annual Report on 
          Form 10-K for the fiscal year ended October 31, 1995 (the "1995 
          Form 10-K")).

  **10.1  BioWhittaker, Inc. 1991 Long-Term Stock Incentive Plan (attached as 
          Annex I to the Form 10).

  **10.2  Form of Employment Agreement between the Registrant and Joseph F.
          Alibrandi (not renewed for periods after December 31, 1996; (Exhibit
          10.2 to the Form 10)).

    10.3  Stock Purchase Agreement between the Registrant and Anasco GmbH 
          (Exhibit 10.3 to the Form 10).

    10.4  Form of Joint Venture and Partnership Agreement between Boehringer 
          Ingelheim Bioproducts, Inc.and BioWhittaker International, Inc. 
          (Exhibit 10.4 to the Form 10).

    10.4a Amendment dated October 29, 1992 to the  Form of Joint  Venture  and
          Partnership Agreement between Boehringer Ingelheim Bioproducts, Inc. 
          and BioWhittaker International, Inc. (Exhibit 10.4a to Annual Report 
          on Form 10-K for the Fiscal Year Ended October 31, 1992 (the "1992 
          Form 10-K")).

     10.5 Form of Technology License Agreement between the Registrant and 
          BioWhittaker International, Inc. (Exhibit 10.5 to the Form 10).


                                            2

<PAGE>



     10.7 Loan Agreement dated October 13, 1994 by and between the Registrant
          and NationsBank of North Carolina. (Exhibit 10.7 to the Annual Report 
          on Form 10-K for the fiscal year ended October 31, 1994 (the "1994 
          Form 10-K")).

     10.8 Distribution Agreement between Whittaker Corporation and Registrant
          (Exhibit 2.1 to the Form 10).

     10.9 Tax Agreement between Whittaker Corporation and Registrant (Exhibit
          2.2 to the Form 10).

  **10.13 BioWhittaker, Inc. 1994 Stock Option Plan for Non-Employee Directors
          (Exhibit A to BioWhittaker, Inc.'s 1994 Proxy Statement).

    10.14 Stock Purchase Agreement between  BioWhittaker  Inc.,  and Boehringer
          Ingelheim International, GmbH, dated April 30, 1995 (Exhibit 10.14 to
          Form 8-K, dated April 30, 1995).

    10.15 Asset Purchase Agreement between BioWhittaker, Inc. and Carter-Wallace
          Inc. dated December 18, 1995 (Exhibit 10.15 to Form 8-K, dated 
          December 18, 1995).

    10.16 Agreement and Plan of Merger dated as of December 20, 1995, by and 
          among Clonetics Corporation, BioWhittaker, Inc., and  Peter  Maniatis 
          a representative for the Company's Stockholders  and  Option  Holders.
          (Exhibit 10.16 to the 1995 Form 10-K).

    10.17 BioWhittaker, Inc. Supplemental Executive Retirement Plan.

    10.18 Distributor Agreement between the Registrant and Boehringer Ingelheim 
          BioProducts Partnership.

     11.  Statement Re: Calculation of Net Income Per Share.

     22.  List of Subsidiaries (Exhibit 22 to the Form 10).

     24.  Consent of Independent Auditors - Company Financial Statements.

     24.1 Consent of Independent Auditors - Plan Financial Statements.

     27.  Financial Data Schedule.

     28.1 Stockholder Agreement among the stockholder signatory thereto, Anasco,
          and the Registrant (Exhibit 28.1 to the Form 10).

     -------------
        *Exhibits followed by a parenthetical reference are incorporated by
         reference to the document described therein. Upon written request to 
         the Secretary of the Registrant, a copy of any exhibit referred to 
         above will be furnished without charge.
       **Management contract or compensatory plan required to be filed pursuant 
         to Item 14(c) of this Report.

(b) Reports on Form 8-K:

    During the quarter ended October 31, 1996,  the  Registrant did not file
    any reports on Form 8-K.



                                            3

<PAGE>



                                   SIGNATURES


     Pursuant  to the  requirements  of  Section  13 or 15(d) of the  Securities
Exchange Act of 1934, the Registrant has duly caused this Report to be signed on
its behalf by the undersigned, thereunto duly authorized.


                                            BIOWHITTAKER, INC.


                                            By: /S/ PHILIP L. ROHRER, JR.
                                            -----------------------------
   Date: April 28, 1997                          Philip L. Rohrer, Jr.
                                                    Vice President


                                          4

<PAGE>



                                      EXHIBIT INDEX


                                                               Sequentially
Exhibit No.            Description                             Numbered Page
- -----------            -----------                             -------------

24.1                Consent of Independent Auditors                   8




                                            5

<PAGE>

<PAGE>


                        Audited Financial Statements and Schedules

                   BioWhittaker, Inc. Savings and Stock Investment Plan

                          Years ended October 31, 1996 and 1995
                           with Report of Independent Auditors



                                            6
<PAGE>





                   BioWhittaker, Inc. Savings and Stock Investment Plan

                        Audited Financial Statements and Schedules

                          Years ended October 31, 1996 and 1995




                                         Contents



Report of Independent Auditors .................................      1

Audited Financial Statements

Statements of Net Assets Available for Benefits.................      2
Statements of Changes in Net Assets Available for Benefits......      3
Notes to Financial Statements...................................      4
1996 Schedule II - Allocation of Net Assets Available for Benefits
                   to Investment Program........................     11
1995 Schedule II - Allocation of Net Assets Available for Benefits
                   to Investment Programs.........................   12
1996 Schedule III- Allocation of Changes in Net Assets Available 
                   for Benefits to Investment Programs.............  13
1995 Schedule III- Allocation of Changes in Net Assets Available 
                   for Benefits to Investment Programs.............  14


Supplemental Schedules

Line 27a--Assets Held For Investment Purposes......................  15
Line 27d--Reportable Transactions..................................  16




                                       7
<PAGE>





                         Report of Independent Auditors

Board of Trustees
BioWhittaker Inc. Savings and Stock Investment Plan

We have audited the accompanying statements of net assets available for benefits
of  BioWhittaker,  Inc. Savings and Stock Investment Plan as of October 31, 1996
and 1995,  and the related  statements  of changes in net assets  available  for
benefits for the years then ended.  Our audits also  included  the  schedules of
allocation of net assets  available  for benefits to  investment  programs as of
October 31, 1996 and 1995 and allocation of changes in net assets  available for
benefits  to  investment  programs  for the years then  ended.  These  financial
statements and schedules are the  responsibility of the Plan's  management.  Our
responsibility  is to  express  an opinion  on these  financial  statements  and
schedules based on our audits.

We  conducted  our  audits  in  accordance  with  generally   accepted  auditing
standards.  Those standards 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.  An audit also includes
assessing the  accounting  principles  used and  significant  estimates  made by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

In our opinion,  the financial  statements  referred to above present fairly, in
all  material  respects,  the net assets  available  for benefits of the Plan at
October  31,  1996 and 1995,  and the  changes in its net assets  available  for
benefits  for the years  then  ended,  in  conformity  with  generally  accepted
accounting  principles.  Also, in our opinion, the related schedules referred to
above present fairly the  information  set forth therein in compliance  with the
applicable accounting regulations of the Securities and Exchange Commission.

Our  audits  were  made for the  purpose  of  forming  an  opinion  on the basic
financial statements taken as a whole. The accompanying  supplemental  schedules
of assets held for  investment  purposes  as of October 31, 1996 and  reportable
transactions  for the year then ended,  are  presented for purposes of complying
with  the  Department  of  Labor's  Rules  and  Regulations  for  Reporting  and
Disclosure  under the Employee  Retirement  Income Security Act of 1974, and are
not a  required  part of the  basic  financial  statements.  These  supplemental
schedules have been subjected to the auditing procedures applied in our audit of
the basic  financial  statements  and, in our opinion,  are fairly stated in all
material  respects  in  relation to the basic  financial  statements  taken as a
whole.





March 28, 1997


                                       1




                                       8
<PAGE>





              BioWhittaker, Inc. Savings and Stock Investment Plan

                 Statements of Net Assets Available for Benefits


                                                       October 31
                                                       ----------
                                                   1996         1995
                                                   ----         ----
                                               
Assets
Investments, at fair value:
  Unallocated insurance contracts:
     Guaranteed interest account                 $ 1,509,576  $ 1,462,997
  Pooled separate accounts                         3,678,226    2,699,248
  Common Stock:
     BioWhittaker, Inc. common stock               2,712,224    2,550,359
     Whittaker Corporation common stock              193,922      295,641
  Loans to participants                              492,852      490,506
                                                     -------      -------
Total investments                                $ 8,586,800   $7,498,751
                                                 

Contributions receivable:
     Employee                                              -       25,443
     Employer                                            580       14,438
                                                         ---       ------
                                                         580       39,881

Cash                                                  39,496       46,125
                                                  ----------   ----------
Net assets available for benefits                 $8,626,876   $7,584,757
                                                  ===========  ==========


See accompanying notes.


                                       2

                                                                               9

<PAGE>





              BioWhittaker, Inc. Savings and Stock Investment Plan

           Statements of Changes in Net Assets Available for Benefits



                                                            Years ended
                                                             October 31
                                                             ----------
                                                         1996         1995
                                                         ----         ----
Additions
Investment income:
  Interest on loans                                   $  40,781    $ 32,565
  Interest income                                       104,048      99,188
  Net realized gain on sale of common stock              26,362      20,799
                                                         ------      ------
                                                        171,191     152,552

Contributions:
    Employee                                            709,806     708,519
    Employer                                            388,116     385,734
                                                        -------     -------
                                                      1,097,922   1,094,253

Transfer from Clonetics acquisition                     138,659           -
                                                        -------       -----     

Total additions                                       1,407,772   1,246,805
                                                      ---------   ---------
                                                      

Deductions
Benefit payments                                        617,812     577,827
Administrative expenses                                   5,590       3,795
                                                          -----       -----
Total deductions                                        623,402     581,622
                                                        =======     =======
                                                        
                                                
Net unrealized appreciation in fair 
  value of investments                                  257,749     588,260
                                                        -------     -------
Net increase                                          1,042,119   1,253,443
                                                      ---------   ---------

Net assets available for benefits at beginning 
  of year                                             7,584,757    6,331,314 
                                                      ---------    --------- 
Net assets available for benefits at end of year    $ 8,626,876  $ 7,584,757
                                                    ===========  ===========
                                                 

See accompanying notes.


                                              3

<PAGE>





                    BioWhittaker, Inc. Savings and Stock Investment Plan

                                Notes to Financial Statements
                                      October 31, 1996

1. Significant Accounting Policies

Basis of Accounting

The financial statements of the BioWhittaker,  Inc. Savings and Stock Investment
Plan (the Plan) are prepared on the accrual basis of accounting.

Use of Estimates

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 changes  in net assets  available  for
benefits  during the reporting  period.  Actual  results could differ from those
estimates.

Valuation of Investments

Investments in unallocated  insurance  contracts are stated at contract value as
determined by the insurance  company.  Contract value  represents  contributions
made under the contract  plus  interest at the contract  rate less funds used to
make benefit payments. The effective annual yield for 1996 and 1995 was 6.5% and
6.3%, respectively. The average interest rates of the contracts range from 5.35%
to 7.95% in 1996 and from 4.35% to 7.95% in 1995.

Investments in pooled separate accounts are valued at market value as determined
by the insurance company.

Investments  in  common  stock  are  valued at the  quoted  market  value on the
valuation date.

The change in the difference  between the fair value and the cost of investments
is reflected as net unrealized  appreciation in fair value of investments in the
statements  of changes in net assets  available  for  benefits.  The  difference
between the proceeds  received  and the average  cost of common  stocks sold are
reflected as net realized  gain on sale of common  stocks in the  statements  of
changes in net assets available for benefits.

Expenses  relating to the purchase and sale of BioWhittaker,  Inc. and Whittaker
Corporation  common  stock  are  added  to their  cost or  deducted  from  their
proceeds.


                                              4

<PAGE>





                    BioWhittaker, Inc. Savings and Stock Investment Plan

                          Notes to Financial Statements (continued)


1. Significant Accounting Policies (continued)

Administrative Expenses

Administrative  expenses  are paid by  BioWhittaker,  Inc.  (the  Company),
except for certain  commissions  paid to brokers in connection with the purchase
and sale of BioWhittaker, Inc. and Whittaker Corporation common stock.

Reconciliation of Form 5500 to the Audited Financial Statements

Differences  between the Form 5500 and the audited  financial  statements result
from  differences  in the basis of  accounting  used in the Form 5500  (modified
accrual  basis),  versus  that  required  in the  audited  financial  statements
(accrual basis).  The  "contributions  receivable - employee" and "contributions
receivable - employer"  captions in the  Statements of Net Assets  Available for
Benefits and  "contributions - employee" and "contributions - employer" captions
in the  Statements of Changes in Net Assets  Available for Benefits are affected
by these  differences.  Net assets available for benefits at October 31, 1995 in
the audited  financial  statements are $39,881 higher than on the Form 5500 as a
result of these differences. There is no difference between net assets available
for benefits on the Form 5500 and the audited  financial  statements  at October
31, 1996.

2. Description of the Plan

The Plan is a defined  contribution  plan qualified  under  sections  401(a) and
401(k) of the Internal Revenue Code (IRC). The Plan is subject to the provisions
of the Employee  Retirement  Income Security Act of 1974 (ERISA).  The following
description of the Plan provides only general  information.  Participants should
refer to the pamphlet,  BioWhittaker, Inc. 401 (k)/ Savings and Stock Investment
Plan, for a more complete  description of the Plan's provisions.  Copies of this
pamphlet are available from the Company's Human Resources Department.

Eligibility

All full time  employees of the Company who have  completed  one year of service
and attained age 21 may participate in the Plan.






                                              5

<PAGE>




                    BioWhittaker, Inc. Savings and Stock Investment Plan

                          Notes to Financial Statements (continued)


2. Description of the Plan (continued)

Contributions

Participants  may contribute  from 1% to 15% of their gross wages  reportable by
BioWhittaker,   Inc.  for  federal  income  tax  purposes  (including  overtime,
commissions and bonuses) to any of the thirteen  Principal Mutual Life Insurance
Company  investment  options and the  BioWhittaker,  Inc.  common stock account.
Assets held in Whittaker  Corporation  common stock at October 31, 1996 and 1995
are  remaining  from the transfer of net assets from the  Whittaker  Corporation
plan since no current  contributions  can be invested in  Whittaker  Corporation
common stock.  The Company matches from 50% to 75% of participant  contributions
up to 6% of their  income.  The Company  match is invested in the  BioWhittaker,
Inc. common stock account.

Participants  are  immediately  vested in  contributions  made  through  payroll
deductions,  deposits made for Company  matching  contributions,  and the actual
earnings thereon.

Transfer from Clonetics Acquisition

On January 17, 1996 the Company acquired Clonetics  Corporation.  As a result of
this  acquisition,  participants in the Clonetics 401(k) Plan that were employed
by the Company became  participants in the Plan at the date of the  acquisition.
All of the net assets from the Clonetics  401(k) Plan wre  transferred  into the
Plan.

Benefit Payments

Benefit payments are restricted to retirement, early retirement,  termination of
employment, death, or disability.

Amounts  allocated to accounts of persons who have withdrawn from  participation
in the earnings  and  operations  of the Plan  totaled  $479,655 and $221,355 at
October 31, 1996 and 1995, respectively. Such amounts are included in net assets
available for benefits.

Participant Loans

Participants  may  borrow  from  their  account  balance  without  regard to the
intended use of the funds. Loans are limited to 50% of the participant's  vested
account balance, up to a maximum of $50,000. The loans are collateralized by the
participant's  account balance and are accounted for as a specific investment of
the borrowing  participant's  account.  Loan repayments are made through regular
payroll  deductions.  Interest on loan repayments is allocated to the investment
options of that individual  participant's account in the same manner elected for
contribution allocations which are in effect at the time of repayment. Loans for
reasons other than the purchase of a primary residence are to repaid within five
years.


                                            6

<PAGE>





                     BioWhittaker, Inc. Savings and Stock Investment Plan

                          Notes to Financial Statements (continued)


3. Investments

During 1996 and 1995, the Plan's investments  (including  investments bought and
sold, as well as held during the year) appreciated in fair value by $284,111 and
$609,059 respectively, as follows:

                                 October 31, 1996         October 31, 1995
                                 ----------------         ----------------
                                     Net
                                 Appreciation /               Net
                                 (Depreciation)           Appreciation
                                   in Fair    Fair Value    in Fair   Fair Value
                                    Value       at End       Value      at End
                                 During Year   of Year     During Year  of Year
                                 -----------   -------     -----------  ------- 
Fair value determined by 
insurance company: 
Unallocated insurance contract 
 at contract value:
 Guaranteed interest account      $   (1,175) $ 1,509,576*    $   -  $1,462,997*
Pooled separate accounts:
  U.S. stock account                   8,523       77,065     1,067      10,112
  Money market account                     -      230,895         -     103,773
  Real estate account                    537        8,149       147       4,159
  Private bond & mortgage account     38,498      657,898*   81,335     608,799*
  International stock account         20,714      139,810     3,921      89,527
  Government securities account        1,006       20,121       209       3,932
  Stock index account                373,189    1,992,973*  329,774   1,571,253*
  Value stock account                 20,366      173,949    14,089      84,441
  Small company stock account         18,207      117,725    13,923      96,755
  Growth stock account                30,197      202,225    20,362     110,864
  Bond emphasis balanced account       1,199       24,118       154       2,331
  Stock emphasis balanced account      3,308       33,298     1,005      13,302
Fair value determined by quoted 
  market price: 
 Common stock:
  BioWhittaker, Inc.                (144,866)   2,712,224*   109,988  2,550,359*
  Whittaker Corporation              (85,592)     193,922     33,085    295,641
Other:
  Loans to participants                    -      492,852*         -    490,506*
                                      -------     --------     ------   ------- 
                                    $284,111  $ 8,586,800  $ 609,059 $7,498,751
                                    ========  ===========  ========= ==========
                                  

*Represents individual investments that represent 5% or more of the Plan's net
 assets at October, 31.

                                         7

<PAGE>





                 BioWhittaker, Inc. Savings and Stock Investment Plan

                       Notes to Financial Statements (continued)


3. Investments (continued)

Interest  income  reported by the  trustee for the plan years ended  October 31,
1996 and 1995 was $104,048 and $99,188, respectively, on the Guaranteed interest
and Money market accounts.

4. Plan Termination

Although the Company has not  expressed any intention to do so, it has the right
to discontinue its  contributions  and to terminate the Plan at any time subject
to the provisions of ERISA.  Upon  termination of the Plan, all interests of the
participants not previously vested would become fully vested and  nonforfeitable
and the net assets of the Plan would be distributed to  participants  based upon
individual equities in the Plan.

5. Income Tax Status

The Internal Revenue Service ruled on May 12, 1995 that the Plan qualifies under
Section 401(a) of the Internal  Revenue Code (IRC) and,  therefore,  the related
trust is not subject to tax under present  income tax law. Once  qualified,  the
Plan  is  required  to  operate  in  conformity  with  the IRC to  maintain  its
qualifications.  The Plan's  management  is not aware of any course of action or
series of events  that have  occurred  that  might  adversely  affect the Plan's
qualified status.



                                           8

<PAGE>






BioWhittaker, Inc. Savings and Stock Investment Plan

Schedule II - Allocation of Net Assets Available for Benefits to Investment
                  Programs

October 31, 1996
<TABLE>
<CAPTION>

                                                                              Contributions                   Net assets
                                                Loans to          Total         Receivable                  available for
                                  Investments  Participants     Investment   employee  employer     Cash       benefits
                                  -----------  ------------     ----------   --------  --------     ----       --------
<S>     
Assets                             <C>            <C>           <C>           <C>        <C>        <C>         <C>
Investments:
Unallocated insurance contracts:
 Guaranteed interest account ...   $1,509,576   $     --       $1,509,576     $ --       $ --      $ 39,496    $ 1,549,072
Pooled separate accounts:
 U.S. stock account ............       77,065         --           77,065       --         --            --           77,065
 Money market account ..........      230,895         --          230,895       --         --            --          230,895
 Real estate account ...........        8,149         --            8,149       --         --            --            8,149
 Private market bond and 
   mortgage account ............      657,898         --          657,898       --         --            --          657,898
 International stock account ...      139,810         --          139,810       --         --            --          139,810
 Government securities account .       20,121         --           20,121       --         --            --           20,121
 Stock index account ...........    1,992,973         --        1,992,973       --         --            --        1,992,973
 Value stock account ...........      173,949         --          173,949       --         --            --          173,949
 Small company stock account ...      117,725         --          117,725       --         --            --          117,725
 Growth stock account ..........      202,225         --          202,225       --         --            --          202,225
 Bond emphasis balanced account        24,118         --           24,118       --         --            --           24,118
 Stock emphasis balanced account       33,298         --           33,298       --         --            --           33,298
Common Stock: 
 BioWhittaker, Inc. common stock    2,712,224         --        2,712,224       --        580            --        2,712,804
 Whittaker Corp. common stock ..      193,922         --          193,922       --         --            --          193,922
Unallocated to specific Plan
    investment programs .........          --    492,852          492,852       --         --            --          492,852
Total ..........................  $ 8,093,948  $ 492,852       $8,586,800      $ --       $580       $39,496      $ 8,626,876
                                   ==========   =========        =========      ====       ====        ======     ===========
                                     
                                                                               
</TABLE>

<PAGE>




BioWhittaker, Inc. Savings and Stock Investment Plan

     Schedule II - Allocation of Net Assets Available for Benefits to Investment
                    Programs

October 31, 1995

<TABLE>
<CAPTION>

                                                                               Contributions                  Net assets
                                                Loans to          Total          Receivable -               available for
                                  Investments  Participants     Investment   employee  employer     Cash       benefits
                                  -----------  ------------     ----------   --------  --------     ----       --------
<S>     
Assets                             <C>            <C>           <C>           <C>          <C>      <C>          <C>  
Investments:
Unallocated insurance contracts:
  Guaranteed interest account...   $1,462,997    $    --        $1,462,997     $ 7,090     $   --      $ 46,125     $ 1,516,212
Pooled separate accounts:
 U.S. stock account ............       10,112         --            10,112         159         --           --           10,271
 Money market account ..........      103,773         --           103,773         614         --           --          104,387
 Real estate account ...........        4,159         --             4,159         108         --           --            4,267
 Private market bond and 
   mortgage account ............      608,799         --           608,799       2,719         --           --          611,518
 International stock account ...       89,527         --            89,527         771         --           --           90,298
 Government securities account .        3,932         --             3,932         132         --           --            4,064
 Stock index account ...........    1,571,253         --         1,571,253       6,441         --           --        1,577,694
 Value stock account ...........       84,441         --            84,441         556         --           --           84,997
 Small company stock account ...       96,755         --            96,755         572         --           --           97,327
 Growth stock account ..........      110,864         --           110,864       1,052         --           --          111,916
 Bond emphasis balanced account         2,331         --             2,331          80         --           --            2,411
 Stock emphasis balanced account       13,302         --            13,302         256         --           --           13,558
Common Stock:
 BioWhittaker, Inc. common stock    2,550,359         --         2,550,359       4,893     14,438           --        2,569,690
 Whittaker Corp. common stock ..      295,641         --           295,641          --         --           --          295,641
Unallocated to specific Plan
    investment programs ........           --    490,506           490,506          --         --           --          490,506
Total ..........................  $ 7,008,245  $ 490,506       $ 7,498,751     $25,443    $14,438     $ 46,125      $ 7,584,757
                                   ==========  =========         =========      ======    =======      =======      ===========

</TABLE>

                                       10

<PAGE>


BioWhittaker, Inc. Savings and Stock Investment Plan

Schedule III - Allocation of Changes in Net Assets Available
            for Benefits to the Investment Programs

Year ended October 31, 1996



                                    Guaranteed               Money
                                     Interest   U.S. Stock   Market  Real Estate
                                      Account     Account    Account   Account
                                      -------     -------    -------   ------- 
Additions
Investment income:
   Interest on loans                 $      -     $    -     $    -    $    -
   Interest income                     98,005          -      6,043         -
   Net realized (loss)/gain
    on sale of common stocks                -          -          -         -
                                       ------     ------     ------     -----
                                       98,005          -      6,043         -
Contributions:
   Employee                           149,465     21,360     22,877     4,581
   Employer                                 -          -          -         -
                                      -------     ------     ------     -----
                                      149,465     21,360     22,877     4,581

Transfer from Clonetics merger          3,761      3,849     44,367         -

Total additions                       251,231     25,209     73,287     4,581
                                      -------     ------     ------     -----
                                      
                                                                             
Deductions
Benefit payments                      146,281      5,509   239,777       165
Administrative expenses                   631          3       128         1
                                        -----      -----    ------      ----
Total deductions                      146,912      5,512   239,905       166
                                      

Net unrealized (depreciation)/
  appreciation in fair value 
  of investments                       (1,175)     8,523         -       537
Interfund transfers                   (70,284)    38,574   293,126    (1,070)
                                       ------     ------   -------    ------ 
Net increase /(decrease)               32,860     66,794   126,508     3,882

Net assets available for  
  benefits at beginning of year     1,516,212     10,271   104,387     4,267
                                    ---------     ------   -------     -----
Net assets available for benefits 
  at end of year                   $1,549,072   $ 77,065  $230,895   $ 8,149
                                    =========   ========  ========   =======
                                       

* Amount  included in  unallocated  to specific Plan  investment  programs since
investment in Whittaker Corporation common stock is not an investment option.


                                    11a

<PAGE>


                                Private Market                                  
                                  Bond and  International  Government    Stock 
                                  Mortgage     Stock       Securities    Index 
                                  Account     Account       Account     Account
Additions                         -------     -------       -------     -------
Investment income:                                                             
   Interest on loans             $      -     $     -      $     -       $    -
   Interest income                      -           -            -            -
   Net realized (loss)/gain         
    on sale of common stocks            -           -            -            -
                                   ------       -----       ------        -----
Contributions:                          -           -            -            -
               
   Employee                        66,806      24,780       11,075      154,413
   Employer                             -           -            -            -
                                   ------      ------       ------      -------
                                   66,806      24,780       11,075      154,413
                                    
Transfer from Clonetics merger      8,836       6,816        8,836       34,280 

Total additions                    75,642      31,596       19,911      188,693
                                   ------      ------       ------      -------
                                   
Deductions                                
Benefit payments                   49,083       3,900          619      102,665
Administrative expenses                93          13            -          244
                                   ------       -----       -------     ------- 
Total deductions                   49,176       3,913          619      102,909
                                   ------       -----          ---      -------

Net unrealized (depreciation)/            
  appreciation in fair value              
  of investments                   38,498      20,714        1,006      373,189
Interfund transfers               (18,584)      1,115       (4,241)     (43,694)
                                  -------       -----       ------      -------
Net increase/(decrease)            46,380      49,512       16,057      415,279
    
Net assets available for                                                       
  benefits at beginning of year   611,518      90,298        4,064    1,577,694
                                  -------      ------        -----    ---------
Net assets available for                                              
  benefits at end of year       $ 657,898   $ 139,810    $  20,121  $ 1,992,973
                                 ========   =========    =========   ==========

                                      11b

<PAGE>

                                                                       Bond    
                                   Value   Small Company  Growth     Emphasis  
                                    Stock      Stock       Stock     Balanced  
                                   Account    Account     Account     Account
                                   -------    -------     -------     -------  
Additions                                                                
Investment income:                                                       
   Interest on loans               $     -    $    -     $    -       $    - 
   Interest income                       -         -          -            -  
   Net realized (loss)/gain              -         -          -            -  
    on sale of common stocks        ------     -----      -----        -----  
                                         -         -          -            -
Contributions:                                                               
   Employee                         32,032   29,832      43,194       14,552 
   Employer                              -        -           -            - 
                                    ------   ------      ------       ------ 
                                    32,032   29,832      43,194       14,552 
                                                                          
Transfer from Clonetics merger       3,849    7,264       4,297        9,089 
                                     -----    -----       -----        ----- 
                                                                            
Total additions                     35,881   37,096      47,491       23,641 
                                    ------   ------      ------       ------
                                       
Deductions                                                                   
Benefit payments                     1,598    10,981      6,640        1,054  
Administrative expenses                 11        18         30            -   
                                     -----    ------      -----        ----- 
Total deductions                     1,609    10,999      6,670        1,054   
                                     -----    ------      -----        -----   
                                         
Net unrealized (depreciation)/                                             
  appreciation in fair value                                               
  of investments                    20,366    18,207     30,197        1,199  
Interfund transfers                 34,314   (23,906)    19,291       (2,079) 
                                    ------   -------     ------       ------  
Net increase /(decrease)            88,952    20,398     90,309       21,707  
                                                                             
Net assets available for                                                   
  benefits at beginning of year     84,997    97,327    111,916        2,411 
                                    ------    ------    -------        ----- 
                                                                       
Net assets available for benefits                                           
  at end of year                 $ 173,949  $117,725   $202,225    $ 24,118 
                                 =========  ========   ========    ========  
                                 
                                      11c
<PAGE>

  
                                  Stock    BioWhittaker,  Unallocated    
                                 Emphasis   Common       to specific Plan   
                                 Balanced    Stock         Investment         
                                 Account   Account          programs     Total
                                 -------   -------      --------------  ------ 
Additions                                                                     
Investment income:                                                             
   Interest on loans              $   -       $     -    $  40,781    $  40,781
   Interest income                    -             -            -      104,048
   Net realized (loss)/gain                                                    
    on sale of common stocks          -        (1,945)      28,307*      26,362
                                   -----       ------       ------       ------
                                      -        (1,945)      69,088      171,191
                                                                                
Contributions:                           
   Employee                      12,439       122,400            -      709,806 
   Employer                           -       388,116            -      388,116
                                 ------       -------        -----      -------
                                 12,439       510,516            -    1,097,922 
                                                                                
Transfer from Clonetics merger    3,415             -            -      138,659 
                                                          
Total additions                  15,854       508,571       69,088    1,407,772 
                                 ------       -------       ------    --------- 
                                
Deductions                              
Benefit payments                    130        27,822       21,588      617,812 
Administrative expenses               -         3,944          474        5,590 
                                  -----         -----       ------        ----- 
Total deductions                    130        31,766       22,062      623,402 
                                  =====        ======       ======      ======= 

Net unrealized (depreciation)/                                                  
  appreciation in fair value           
  of investments                  3,308      (142,921)    (113,899)     257,749
Interfund transfers                 708      (190,770)     (32,500)           -
                                 ------      --------      -------     -------- 
Net increase /(decrease)         19,740       143,114      (99,373)   1,042,119 
                                      
Net assets available for                                                        
  benefits at beginning of year  13,558     2,569,690      786,147    7,584,757 
                                 ------     ---------      -------    --------- 
Net assets available for   
  benefits at end of year      $ 33,298   $ 2,712,804   $  686,774  $ 8,626,876 
                               ========   ===========   ==========  =========== 
                                


                                       11d


<PAGE>                            

BioWhittaker, Inc. Savings and Stock Investment Plan

Schedule III - Allocation of Changes in Net Assets Available
            for Benefits to the Investment Programs

Year ended October 31, 1995



                                    Guaranteed               Money
                                     Interest   U.S. Stock   Market  Real Estate
                                      Account     Account    Account   Account
                                      -------     -------    -------   ------- 
Additions
Investment income:
   Interest on loans                 $      -     $    -     $    -    $    -   
   Interest income                     94,458          -      4,730         -
   Net realized (loss)/gain
    on sale of common stocks                -          -          -         -
                                       ------     ------     ------     -----
                                       94,458          -      4,730         -
Contributions:
   Employee                           208,054      4,388     25,989     2,981
                                      -------      -----     ------     -----
   Employer                                 -          -          -         -
                                      -------     ------     ------     -----
                                      208,054      4,388     30,719    2,981

Total additions                       302,512      4,388     25,989     2,981
                                      -------      -----     ------     -----
                                             
Deductions
Benefit payments                      167,519          -   211,270         -
Administrative expenses                   396          -        21         -
                                          ---      -----   ------     -----     
Total deductions                      167,915          -   211,291         -
                                      =======      ======  =======      ====    
Net unrealized (depreciation)/
  appreciation in fair value 
  of investments                             -      1,067         -      147
Interfund transfers                   (53,017)      3,799   235,400    1,067 
                                       -------     ------   -------   ------ 
Net increase /(decrease)               81,580      9,254     54,828    4,195

Net assets available for  
  benefits at beginning of year     1,434,632      1,017     49,559       72
                                    ---------     ------    -------    -----
Net assets available for 
  benefits at end of year          $1,516,212   $ 10,271  $104,387   $ 4,267
                                    ==========  ========  ========   =======
                                       

* Amount  included in  unallocated  to specific Plan  investment  programs since
investment in Whittaker Corporation common stock is not an investment option.


                                       12a

<PAGE>


                                Private Market                                  
                                  Bond and  International  Government    Stock  
                                  Mortgage     Stock       Securities    Index  
                                  Account     Account       Account     Account 
Additions                         -------     -------       -------     ------- 
Investment income:                                                              
   Interest on loans             $      -     $     -      $     -       $    - 
   Interest income                      -           -            -            - 
   Net realized (loss)/gain               
    on sale of common stocks            -           -            -            - 
                                    -----      ------       ------       ------
                                        -           -            -            -
Contributions:                                         
   Employee                        72,138      21,022        3,642      170,996
   Employer                             -           -            -            -
                                   ------      ------       ------      -------
                                   72,138      21,022        3,642      170,996
  
Total additions                    72,138      21,022        3,642      170,996
                                   ------      ------        -----      -------
                                   
Deductions                                
Benefit payments                   55,493       3,098            -      101,257
Administrative expenses                62           -            -           99
                                   ------       -----       -------     ------- 
Total deductions                   55,555       3,098            -      101,356

Net unrealized (depreciation)/            
  appreciation in fair value              
  of investments                   81,335       3,921          209      329,774
Interfund transfers                (4,059)     23,721          111      (75,385)
                                  -------       -----       ------      -------
Net increase/(decrease)            93,859      45,566        3,962      324,029
    
Net assets available for                                                        
  benefits at beginning of year   517,659      44,732          102    1,253,665
                                  -------      ------        -----    ---------
Net assets available for                                              
  benefits at end of year       $ 611,518    $ 90,298     $  4,064  $ 1,577,694
                                 ========    ========      =======   ==========

                                      12b
<PAGE>

                                                                       Bond    
                                   Value   Small Company  Growth     Emphasis  
                                    Stock      Stock       Stock     Balanced  
                                   Account    Account     Account     Account   
                                   -------    -------     -------     -------  
Additions                                                                
Investment income:                                                       
   Interest on loans               $     -    $    -     $    -       $    -    
   Interest income                       -         -          -            -    
   Net realized (loss)/gain                   
    on sale of common stocks             -         -          -            -    
                                     -----     -----      -----        -----    
Contributions:                           -         -          -            -    
   Employee                         15,084   15,769      29,183        2,205    
   Employer                              -        -           -            -    
                                    ------   ------      ------       ------    
                                    15,084   15,769      29,183        2,205    
 
Total additions                     15,084   15,769      29,183        2,205    
                                    ------   ------      ------        -----    
                                         
Deductions                                                                      
Benefit payments                       195       404      1,511          569    
Administrative expenses                  -         -          -            -    
                                     -----    ------      -----        -----    
Total deductions                       195       404      1,511          569   
                                     =====    ======      =====        =====    
Net unrealized (depreciation)/                                             
  appreciation in fair value                                               
  of investments                    14,089    13,923     20,362          154    
Interfund transfers                 22,647    27,538     18,471          585    
                                    ------   -------     ------       ------    
Net increase /(decrease)            51,625    56,826     66,505        2,375  
                                                                             
Net assets available for                                                   
  benefits at beginning of year     33,372    40,501     45,411           36 
                                    ------    ------     ------        ------ 
Net assets available for benefits                                           
  at end of year                  $ 84,997  $ 97,327   $111,916      $ 2,411    
                                  =========  ========   ========    ========    
                                 
                                  12c
<PAGE>

  
                                  Stock    BioWhittaker,  Unallocated           
                                 Emphasis   Common       to specific Plan       
                                 Balanced    Stock         Investment           
                                 Account   Account          programs     Total  
                                 -------   -------      --------------  ------  
Additions                                                                       
Investment income:                                                              
   Interest on loans              $   -       $     -    $  32,565    $  32,565 
   Interest income                    -             -            -       99,188 
   Net realized (loss)/gain                                                     
    on sale of common stocks          -        (4,047)      24,846*      20,799
                                   -----       ------       ------       ------
                                      -        (4,047)      57,411      152,552 
                                                                                
Contributions:                           
   Employee                       6,813       130,255            -      708,519 
   Employer                           -       385,734            -      385,734
                                 ------       -------        -----      -------
                                  6,813       515,989            -    1,094,253 
                                                                                
Total additions                   6,813       511,942       57,411    1,246,805 
                                  -----       -------       ------    --------- 
                                     
 
Deductions                              
Benefit payments                      -        14,312       22,199      577,827 
Administrative expenses               -         2,925          292        3,795 
                                  -----         -----       ------        ----- 
Total deductions                      -        17,237       22,491      581,622 
                                  -----        ------       ------      ------- 
                                           

Net unrealized (depreciation)/                                                  
  appreciation in fair value           
  of investments                  1,005       114,035        8,239      588,260
Interfund transfers               3,411      (168,760)     (35,529)           -
                                 ------      --------      -------     -------- 
Net increase /(decrease)         11,229       439,980        7,630    1,253,443 
                                      
Net assets available for                                                        
  benefits at beginning of year   2,329     2,129,710      778,517    6,331,314 
                                 ------     ---------      -------    --------- 
Net assets available for   
  benefits at end of year      $ 13,558   $ 2,569,690   $  786,147  $ 7,584,757 
                               ========   ===========    ==========  ===========
    


                                      12d
<PAGE>



                           Supplemental Schedules

                                       13
<PAGE>


       BioWhittaker, Inc. Savings and Stock Investment Plan
           Line 27a--Assets Held For Investment Purposes
                         October 31, 1996


Identity of Party and Description of Investment 
Including Maturity Date, Fair Rate of Interest,                        Fair
Collateral, Par of Maturity Value                          Cost*       Value
- ---------------------------------------------------        -----       -----
Principal Mutual Life Insurance Company
   Unallocated insurance contracts:
     Guaranteed interest accounts:      
        3 year interest deposit - maturity date                                 
         10/31/96 at 5.83%-5.90%                           $ 86,750    $ 86,750
        5 year interest deposit - maturity date                       
         10/31/96 at 7.61%-7.95%                            484,630     484,630
        3 year interest deposit - maturity date                         
         10/31/97 at 6.88%-7.10%                            436,561     436,561
        5 year interest deposit - maturity date                         
         10/31/97 at 5.35%-5.62%                             86,409      86,075
        3 year interest deposit - maturity date                        
         10/31/98 at 5.35%-5.88%                            125,086     124,619
        5 year interest deposit - maturity date                         
         10/31/98 at 6.56%                                   81,454      81,448
        5 year interest deposit - maturity date                         
         10/31/99 at 6.97%-7.75%                            117,593     117,590
        5 year interest deposit - maturity date                        
         10/31/00 at 5.93%                                   92,268      91,903
                                                             ------      ------
                                                          1,510,751   1,509,576
 Principal Mutual Life Insurance Company
     Pooled separate accounts:                                       
        U.S. stock account                                   68,475      77,065 
        Money market account                                228,423     230,895 
        Real Estate account                                   7,538       8,149 
        Private market bond & mortgage account              520,555     657,898 
        International stock account                         117,336     139,810 
        Government securities account                        19,210      20,121 
        Stock index account                               1,255,992   1,992,973 
        Value stock account                                 139,992     173,949 
        Small company stock account                         101,786     117,725 
        Growth stock account                                158,089     202,225 
        Bond emphasis balanced account                       23,122      24,118
        Stock emphasis balanced account                      29,179      33,298 
                                                             ------      ------ 
                                                          2,669,697   3,678,226


BioWhittaker, Inc.       Common stock 380,663 shares      3,485,745   2,712,224 
Whittaker Corporation    Common stock 13,729 shares         150,835     193,922 
Loans to participants    Interest rates range from                              
                         7.00% to 11.50% due 03/06/97                           
                         through 05/29/08                   492,852     492,852 
                                                            -------     ------- 
                                                         $8,309,880  $8,586,800 
                                                         ==========  ========== 
                                                       
                                                              
*    Principal Mutual Life Insurance Company maintains its records on a contract
     and fair value basis respectively; therefore, cost basis information is not
     available but has been estimated by the insurance company.

                                       14

<PAGE>





                             
              BioWhittaker, Inc. Savings and Stock Investment Plan

                        Line 27d--Reportable Transactions

                           Year ended October 31, 1996


Category  (iii) - Series of  security  transactions  in excess of 5% of plan net
- --------------------------------------------------------------------------------
assets - Sales:
- ---------------

                           Total                         Fair Value
Identity of Party and    Number of   Selling  Cost of    of Asset on       Net
Description of Assets      Sales    Price      Asset   Transaction Date   Gain  
- ---------------------      -----    -----      -----   ----------------   ----  
Principal Mutual Life Insurance Company

  Money Market Account      65    $454,634    $449,749     $454,634     $4,885

  Guaranteed Interest 
      Account               80     300,766                  300,766

  Stock Index               45     230,544     150,655      230,544     79,889  
      Account





Category  (iii) - Series of  security  transactions  in excess of 5% of plan net
- --------------------------------------------------------------------------------
assets - Purchases:
- -------------------

                           Total                    Fair Value
Identity of Party and    Number of    Purchase      of Asset on        
Description of Assets    Purchases     Price       Transaction Date    
- ---------------------    ---------    -------     ----------------     
Principal Mutual Life Insurance Company

  Money Market Account      53       $575,712         $575,712       

  Guaranteed Interest 
      Account               32        250,515          250,515

  Stock Index               39        279,075          279,075
      Account









There were no category (i), (ii) or (iv)  reportable  transactions for the year
ended October 31, 1996.





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