COMSHARE INC
8-A12G, 1996-09-17
PREPACKAGED SOFTWARE
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<PAGE>   1





                                    FORM 8-A

                       SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                 REGISTRATION OF CERTAIN CLASSES OF SECURITIES
                   PURSUANT TO SECTION 12(b) OR 12(g) OF THE
                        SECURITIES EXCHANGE ACT OF 1934



                             COMSHARE, INCORPORATED
             (Exact name of registrant as specified in its charter)

               Michigan                                  38-1804887 
(State of incorporation or organization)    (I.R.S. Employer Identification No.)

       555 Briarwood Circle, Ann Arbor, Michigan                 48108
       (Address of principal executive offices)                (Zip Code)


<TABLE>
<S>                                      <C>
If this Form relates to the              If this Form relates to the
registration of a class of debt          registration of a class of debt
securities and is effective upon         securities and is to become effective
filing pursuant to General               simultaneously with the effectiveness
Instruction A(c)(1), please check        of a concurrent registration
the following box.                       statement under the Securities Act of
                    ---                  1933 pursuant to General Instruction
                   /  /                  A(c)(2), please check the following
                   ---                   box.
                                               ---
                                              /  /
                                              ---
</TABLE>



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

Title of each class               Name of each exchange on which
to be so registered               each class is to be registered

Preferred Stock Purchase Rights   The Nasdaq Stock Market, Inc.

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

                                      None
<PAGE>   2

ITEM 1.   DESCRIPTION OF REGISTRANT'S SECURITIES TO BE REGISTERED

          On September 12,  1996, the  Board of Directors  of Comshare,
Incorporated (the "Company")  declared a dividend distribution  of one Right
for  each outstanding share of Common Stock,  $1.00 par value  (the "Common
Stock"), of  the Company.   The distribution is payable  to the  Company's
shareholders  of record  on September  30, 1996.   Each Right entitles the
registered holder to  purchase from the  Company one one-hundredth  of a share
of  Series A Preferred Stock,  no par value (the "Preferred Stock") at  a price
of  $110.00 per  one  one-hundredth of  a share  (the  "Purchase Price"),
subject  to adjustment.   The description  and terms of  the Rights  are set
forth in a Rights Agreement (the "Rights  Agreement") between the Company and
KeyBank National Association, as Rights Agent (the "Rights Agent").

          Until the  earlier to  occur of (i)  ten business  days following a
public announcement  that  a  person  or  group of  affiliated  or  associated
persons  (an "Acquiring Person")  acquired, or obtained the right to acquire,
beneficial ownership of  15% or more of  the outstanding shares  of the Common
Stock  or (ii) ten business days (or  such later date as  may be determined by
the Board of  Directors, with the concurrence of  a majority  of the Continuing
Directors, prior  to such time  as any person becomes an Acquiring Person)
following the commencement or announcement of an intention to  commence  a
tender  offer or  exchange  offer by  any person  if,  upon consummation
thereof,  such person would be an Acquiring  Person (the earlier of such dates
being  called the  "Distribution  Date"), the  Rights will  be evidenced,  with
respect to  any of  the Common  Stock certificates  outstanding as  of
September  30, 1996, by such  Common Stock certificate.   The Rights Agreement
provides  that, until the Distribution Date, the Rights  will be transferred
with and only with  the Common Stock.   Until the  Distribution Date  (or
earlier  redemption, exchange or  expiration of  the Rights), new Common Stock
certificates issued after September 30, 1996  upon transfer or new issuance of
the Common Stock will contain a notation  incorporating the Rights Agreement by
reference.   Until  the Distribution  Date  (or earlier redemption, exchange or
expiration of  the Rights),  the surrender for  transfer of any  of the  Common
Stock certificates outstanding  as of  September 30,  1996 or  issued
thereafter will  also constitute  the transfer of  the Rights associated with
the Common Stock represented by  such certificate.    As  soon as  practicable
following  the Distribution  Date, separate certificates  evidencing the Rights
("Right Certificates") will be mailed to holders of record of  the Common Stock
as of the close of business on the Distribution Date and such  separate Right
Certificates alone  will evidence the Rights.   Subject to certain adjustments
as may be required  by the Rights Agreement, the Company  will issue one Right
with each new  share of Common Stock  issued until the  Distribution Date so
that all shares  will have attached Rights.  No person shall  be deemed to be
an Acquiring  Person on account of shares of Common  Stock beneficially owned
by such person on September  16, 1996 unless thereafter  they become the
beneficial  owner of any additional shares of  Common Stock.  A "Continuing
Director" is a member  of the Board of Directors of the Company who is not an
Acquiring Person or an affiliated  or associated person of an Acquiring Person
and who  was a member of the Board prior  to the Share Acquisition Date (as
defined below) or subsequently became a member of the Board and whose
nomination for election or election to the Board was





                                       2
<PAGE>   3

recommended  or approved by a majority of the Continuing Directors then on the
Board.  At  least  two Continuing  Directors  must  approve  of,  or concur
on,  any  action requiring the approval or concurrence of Continuing Directors.

          The Rights are not exercisable until the Distribution  Date, and, if
later, the expiration of the Company's right  to redeem the Rights.  The Rights
will  expire on September 16, 2006, unless  earlier redeemed or called for
exchange by the Company as  described below  or their  earlier expiration  upon
the consummation  of certain transactions as described below.

          The Preferred Stock will  be nonredeemable and will be junior  to any
other class of preferred stock.  Each  share of Preferred Stock will be
entitled to receive when, as and if declared,  a quarterly dividend equal to
the greater of  $1.00 or 100 times the per share value  of any dividend (other
than stock dividends) declared  on the Common Stock  since the  immediately
preceding quarterly  dividend payment  date.  In the  event of liquidation,
the holders of  the Preferred Stock generally  will be entitled to receive a
liquidation payment in an amount equal to $100.00  per share of Preferred
Stock  plus all  accrued  and  unpaid dividends  thereon,  and,  after the
holders  of Common Stock  have received a  liquidation payment in  an amount
equal to $1.00 per share, holders  of the Preferred Stock and  the Common Stock
shall  receive their ratable  and proportionate  share of  the remaining
assets to be  distributed, with the  holders of  Preferred  Stock entitled  to
receive  an aggregate  per  share amount  equal to  100 times  the  aggregate
amount  to be  distributed  per share  to holders of shares  of Common Stock.
Each share of Preferred Stock  will be entitled to  100 votes per share voting
together with the Common Stock.   In the event of any merger, consolidation  or
other transaction in  which the Common Stock  is exchanged, each share  of
Preferred  Stock will  be  entitled to  receive 100  times the  amount received
per  share  of Common  Stock.   The  rights  of the  Preferred  Stock  as  to
dividends,  voting  and  liquidation  preferences   are  protected  by
anti-dilution provisions.

          The  Purchase Price  payable, and  the number  of shares  of the
Preferred Stock or  other securities  or property  issuable, upon  exercise of
the Rights  are subject to adjustment  from time to time  to prevent dilution
(i)  in the event of  a stock  dividend  on,  or  a  subdivision,  combination
or  reclassification  of  the Preferred Stock;  (ii) upon the  grant to holders
of  the Preferred Stock  of certain rights  or warrants to  subscribe for
shares of  the Preferred Stock  or convertible securities  at less than the
current market price  of the Preferred  Stock; or (iii) upon the distribution
to holders of the Preferred Stock of evidences of indebtedness or assets
(excluding regular periodic  cash dividends  out of  earnings or  retained
earnings  at a  rate not  in excess of  125% of  the rate  of the  last cash
dividend theretofore  paid or  a  dividend paid  in the  Preferred  Stock) or
of subscription rights or warrants  (other than those referred  to above).
With  certain exceptions, no  adjustment in the  Purchase Price will  be
required until  cumulative adjustments require an adjustment of at least 1% in
such Purchase Price.

          Prior to a Triggering  Event, fractional shares of the Preferred
Stock will not  be   issued  (other  than  fractions   which  are  integral
multiples   of  one one-hundredths of a share of Preferred Stock) and,  in lieu
thereof, an adjustment in cash will be made equal to the same fraction of the
current





                                       3
<PAGE>   4

market  value of  one one-hundredth of  a share  of Preferred  Stock.
Following the occurrence  of a  Triggering  Event,  the Company  shall  not  be
required  to  issue fractions of shares of Common Stock and, in lieu thereof,
an adjustment  in cash will be  made equal  to the  same fraction  of the
current market  value of  one share of Common Stock.

          In the  event that  (i) the  Company were  the surviving  corporation
in  a merger or  other combination  with an Acquiring  Person or  affiliated or
associated persons  of an Acquiring Person and  its Common Stock were  not
changed or exchanged; or (ii) an Acquiring  Person engages in one of a number
of self-dealing transactions specified  in the Rights  Agreement; or (iii) in
certain circumstances, an Acquiring Person becomes  the beneficial  owner of
15% or more  of the  outstanding shares  of Common Stock  (except pursuant  to
a  tender or  exchange offer  for all  outstanding shares at a price and on
terms determined by a majority of the Continuing  Directors, after receiving
advice  from an  investment banking firm  selected by  a majority  of such
Continuing  Directors, to be  a price that  is fair  to shareholders and  in
the best interests  of the Company  and its shareholders  (a "Permitted
Exception")),  or (iv) during  such time  as there is  an Acquiring Person,
there shall  occur certain failures to pay,  or reductions in, dividends on
outstanding common orpreferred stock of  the  Company  or a  recapitalization
of  the Company  which  has  the  effect of increasing the  Acquiring  Person's
proportionate  share  of the  outstanding  Common Stock by more than 1%,  then
proper provision shall be made so that  each holder of a Right, other than
Rights that were or are  beneficially owned by the Acquiring Person (which will
thereafter  be void),  shall thereafter have  the right  to receive  upon
exercise that number of shares of the  Common Stock (or, in certain
circumstances,  a combination  of  cash, other  property, Preferred  Stock,
Common Stock  and/or other securities)  having a  market value of  two times
the exercise  price of  the Right.  Following the  Distribution Date, in the
event (i) that  the Company were acquired in a  merger or  other business
combination  transaction in  connection with  which the Company is not the
continuing or surviving corporation  or in which all or a part  of the Common
Stock shall be changed into or exchanged for stock or  other securities of any
other Person  or cash  or  any other  property (other  than certain  mergers
and combinations with an  Acquiring Person who becomes such in a Permitted
Exception if the price per share of  Common Stock offered in such transaction
is no  less than the price  per share  of Common  Stock paid  to  all holders
in the  Permitted Exception tender  or exchange  offer  and  the form  of
consideration  being offered  in  such transaction is the same as the form of
consideration paid in the  Permitted Exception tender or exchange  offer (a
"Permitted Combination")); or  (ii) that 50% or  more of the Company's assets
or earning power were sold, then  proper provision shall be made so that  each
holder  of a Right,  other than  Rights that were  or are  beneficially owned
by the Acquiring Person (which will  thereafter be void), shall thereafter have
the right  to receive, upon the  exercise thereof at the  then current exercise
price of the Right, that number of shares of common stock  of the Acquiring
Person which at the time  of such transaction  would have a  market value  of
two times  the exercise price  of the Right.   Upon the  consummation of a
Permitted Combination, all rights shall expire.    Each  of  the  events
described  in  this  paragraph  constitutes  a "Triggering Event" under the
Rights Agreement.





                                       4
<PAGE>   5

          At any time after  any Person becomes an Acquiring Person  but prior
to the time such Acquiring Person has acquired  50% or more of the outstanding
Common Stock, the Board (with the concurrence of a majority of the Continuing
Directors) may cause shareholders to  exchange all or part of  their Rights for
shares  of Common Stock or Preferred  Stock at a ratio  of one share  of Common
Stock or  one one-hundredth of a share of Preferred Stock per  Right, subject
to adjustment.  As soon as the Board has determined to make such exchange, the
Rights may no longer be exercised.

          At any time prior to  5:00 P.M., Ann Arbor time, on the tenth
business  day following the public announcement that a person or group of
affiliated  or associated persons has acquired  beneficial ownership of 15%  or
more of the  outstanding shares of the Common  Stock of the  Company (the
"Shares Acquisition Date"),  the Board  of Directors  of the Company may redeem
the Rights in whole, but not in part, at a price of  $.0025 per  Right (the
"Redemption  Price"); provided  that  if such  redemption occurs  on or after
the Shares  Acquisition Date the  Board shall be  entitled to so redeem  the
Rights  only  if  such  redemption is  approved  by  a  majority  of the
Continuing Directors and the Continuing Directors constitute a majority of  the
Board of Directors;   provided,  further, that if  such redemption occurs  on
or  after the date  of a  change  (resulting  from a  proxy  or  consent
solicitation  effected  in compliance with  applicable  law  and the
requirements  of any  national  securities exchange on  which the Common Stock
of the Company is  listed) in a  majority of the directors in office at the
commencement of such  solicitation if any person who is  a participant in  such
solicitation has  stated (or, if  upon the commencement  of such solicitation,
a majority  of the  Board of Directors  has determined  in good  faith) that
such person  (or any affiliated or associated  persons) intends to take,  or
may consider taking, any action  which would result in such person  becoming an
Acquiring Person or which would cause the occurrence of a Triggering  Event,
the Board shall be entitled to redeem the Rights  only if such redemption  is
approved by a majority  of the Continuing  Directors who were  members of  the
Board of  Directors prior to  the proxy or consent  solicitation referred to
above (or subsequently became a  member of the  Board of Directors  and whose
nomination for  election or election  thereto was recommended or approved by a
majority of the Redemption Continuing Directors) (the "Redemption Continuing
Directors") and the Redemption Continuing Directors constitute a
majority of  the Board  of Directors.   Thereafter, the Company's right  of
redemption may be  reinstated, prior to a Triggering  Event, (i) if an
Acquiring Person reduces his  beneficial ownership to 5% or less  of the
outstanding shares of  Common Stock in a transaction  or series of transactions
not involving  the Company; and (ii)  there are no other Persons,
immediately following the event described  in clause (i), who are  Acquiring
Persons.  Additionally,  the Board of Directors  may at any  time prior to the
occurrence of a Triggering Event,  redeem the then outstanding Rights  in
whole, but not  in part, at the Redemption Price, if such redemption is in
connection with the consummation of a merger or other business combination
involving the Company but  not involving  an Acquiring Person or its
Affiliates or Associates which is  determined to be  in the best interests
of the Company and its shareholders by  a  majority  of  the
Continuing Directors.  Immediately upon the action of the Board of Directors of





                                       5
<PAGE>   6

the  Company  electing to  redeem  the Rights,  the  Company shall  make
announcement thereof, and upon such election, the  right to exercise the Rights
will terminate and the only right of the holders of Rights will be to receive
the Redemption Price.

          Until a  Right is  exercised, the  holder thereof,  as such,  will
have  no rights as a shareholder of the  Company, including, without
limitation, the right  to vote or to receive dividends.

          The Rights Agreement may  be amended without shareholder approval
prior to the Distribution Date at the Board of Directors' discretion (with the
concurrence of a  majority  of  the  Continuing  Directors  and  only if  the
Continuing  Directors constitute a majority  of the  directors in their
office).   After the  Distribution Date, the Board of  Directors (with the
concurrence  of a majority of the  Continuing Directors  and  only if  the
Continuing  Directors  constitute  a  majority  of  the directors  then in
office)  generally may  amend the  Rights  Agreement without  the consent  of
the   Rights  holders  to  cure   any  ambiguity,  correct  defects   or
inconsistencies,  shorten or lengthen time periods  or supplement or change any
other provision which  shall not adversely  affect the  Rights holders;
provided that  the lengthening  of  any time  period  is for  the  purpose of
protecting,  enhancing or clarifying the rights of, and/or for the benefit of
the  holders of the Rights (other than the Acquiring  Person and its affiliated
and associated persons).   However, if the  Rights are  not  then  redeemable,
the  Board  may not  lengthen  a time  period relating to when the Rights may
be redeemed.

          A copy  of the  Rights Agreement  has been  filed with  the
Securities  and Exchange Commission  as an  Exhibit to this  Registration
Statement  on Form 8-A,  dated September 17, 1996.  A  copy of the Rights
Agreement is available free of charge from the Company.  This summary
description of the Rights does not purport to be  complete and is qualified  in
its  entirety by  reference to  the Rights  Agreement, which  is hereby
incorporated herein by reference.


ITEM 2.  EXHIBITS

<TABLE>
<CAPTION>
EXHIBIT NO.                        DESCRIPTION
     <S>       <C>
     1         Form of  certificate representing Rights (included as Exhibit B to the
               form of Rights  Agreement filed herewith as  Exhibit 2).  Pursuant  to
               the Rights  Agreement, Rights Certificates  will not  be mailed  until
               after  the earlier  of (i)  the  tenth business  day after  the Shares
               Acquisition Date; or (ii) the  tenth business day (or such  later date
               as  may be determined by the Board  of Directors, with the concurrence
               of a  majority of the Continuing Directors, prior  to such time as any
               person   becomes  an   Acquiring  Person)  after   the  date   of  the
               commencement  of,  or  first  public announcement  of  the  intent  to
               commence, a  tender  or exchange  offer  by  any person  or  group  of
               affiliated or  associated persons (other  than the Company  or certain
               entities affiliated  with or associated  with the  Company), if,  upon
               consummation
</TABLE>





                                       6
<PAGE>   7

<TABLE>
     <S>       <C>
               thereof,  such  person or  group of  affiliated or  associated persons
               would be  the beneficial  owner of  15%  or more  of such  outstanding
               shares of Common Stock.

     2         Rights Agreement,  dated as  of September  16, 1996,  between Comshare, 
               Incorporated  and  KeyBank National  Association, as  Rights Agent.
</TABLE>



                                   SIGNATURE

     Pursuant to the  requirements of Section  13 of the  Securities Exchange
Act  of 1934,  the registrant has duly caused this Registration Statement to be
signed on its behalf by the undersigned, thereunto duly authorized.


                                  COMSHARE, INCORPORATED

                                  /S/ Kathryn A. Jehle

Dated: September 16, 1996         By: Kathryn A. Jehle
                                      Senior Vice President,
                                      Chief Financial Officer,
                                      Treasurer and Assistant Secretary


                                 EXHIBIT INDEX


<TABLE>
<CAPTION>
EXHIBIT NO.                        DESCRIPTION
     <S>       <C>
     1         Form of  certificate representing Rights (included as Exhibit B to the
               form of Rights  Agreement filed herewith  as Exhibit 2).   Pursuant to
               the  Rights Agreement,  Rights Certificates will  not be  mailed until
               after the  earlier of  (i) the  tenth business  day  after the  Shares
               Acquisition Date; or  (ii) the tenth business day (or  such later date
               as may be determined  by the Board of Directors, with  the concurrence
               of a majority of the Continuing  Directors, prior to such time as  any
               person  becomes   an  Acquiring   Person)  after  the   date  of   the
               commencement  of,  or  first  public announcement  of  the  intent  to
               commence,  a  tender  or exchange  offer  by any  person  or  group of
               affiliated or associated  persons (other than  the Company or  certain
               entities affiliated with or associated with the Company), if, upon
</TABLE>





                                       7
<PAGE>   8


               consummation  thereof,   such  person  or   group  of
               affiliated  or associated persons  would be the  beneficial
               owner  of 15% or  more of such outstanding shares of Common
               Stock.

     2         Rights Agreement,  dated as  of September  16, 1996, between 
               Comshare,  Incorporated and  KeyBank National Association, as  
               Rights Agent.





                                       8

<PAGE>   1
                                                                EXHIBIT 2       




                                RIGHTS AGREEMENT



     This  Agreement,  dated  as   of  September  16,  1996,  is   between
Comshare, Incorporated,  a   Michigan  corporation  (the   "Company"),  and
KeyBank  National Association (the "Rights Agent").

                              W I T N E S S E T H

     WHEREAS,  the Board of  Directors of the  Company has authorized  and
declared a dividend distribution  (the "Distribution") of  one Right for  each
outstanding share of the Common Stock,  $1.00 par value,  of the Company
outstanding on September  30, 1996 (the "Record Date") and has  authorized the
issuance of one Right  in respect of each share  of Common Stock of the Company
issued between  September 30, 1996 and the earlier of the  Distribution Date,
the Expiration  Date or the Final  Expiration Date (as such terms are
hereinafter defined), and  under certain other circumstances, each Right
initially representing  the right to purchase  one one-hundredth of a  share of
Series A  Preferred Stock of  the Company having  the rights, powers  and
preferences set forth  in the Articles of Amendment attached  hereto as Exhibit
A, upon the terms and subject to the conditions hereinafter set forth (the
"Rights");

     NOW,  THEREFORE,  in consideration  of the  premises  and the  mutual
agreements herein set forth, the parties hereby agree as follows:

     SECTION 1.     CERTAIN  DEFINITIONS.    For  purposes  of  this
Agreement,  the following terms have the meanings indicated:

          (a)  "Acquiring Person"  shall mean any Person (as such term is
     hereinafter defined)  who  or  which,  together  with  all  Affiliates
     (as  such  term   is hereinafter defined) and  Associates (as  such term
     is  hereinafter defined)  of such  Person,  shall  be  the Beneficial
     Owner  (as  such  term  is hereinafter defined) of securities of the
     Company constituting  a Substantial Block (as such term  is  hereinafter
     defined),  but  shall  not include  the  Company  or  any subsidiary of
     the  Company, or any  employee benefit plan of  the Company or  of any
     subsidiary  of the Company, or any Person  or entity organized, appointed
     or established  by the  Company for  or pursuant  to the  terms of  any
     such plan; provided, further,  if  the  Board  of Directors  (with  the
     concurrence  of  a majority of  the Continuing Directors)  determines in
     good  faith that  a Person who  would  otherwise be  an "Acquiring
     Person"  has become  such inadvertently (including, without





                                       9
<PAGE>   2


     limitation, because  (A) such  Person was  unaware  that he  or it
     beneficially owned a percentage of Common Stock that would otherwise cause
     such  Person to be an "Acquiring Person" or (B)  such Person was aware of
     the extent of  his or its Beneficial Ownership but  had no actual
     knowledge of the  consequences of  such Beneficial  Ownership  under  this
     Agreement)  and  without  any  intention  of changing or  influencing
     control of the Company, and  if such Person as promptly as  practicable
     has  divested  or  divests  himself  or  itself  of  Beneficial Ownership
     of a sufficient number  of shares of Common Stock so  that such Person
     would no longer be  an "Acquiring Person," then such Person shall  not be
     deemed to  be or  to  have  become  an "Acquiring  Person"  for  any
     purposes  of  this Agreement;  and provided,  further,  that no  Person
     shall  be  deemed to  be an "Acquiring Person"  on account of Common Stock
     of the Company beneficially owned by such Person as  of the time the
     adoption of  this Agreement is first publicly announced   unless  after
     such  announcement   such  Person  shall  become  the Beneficial Owner of
     any additional shares of Common  Stock.  Notwithstanding the foregoing, no
     Person shall  become an "Acquiring  Person" as  the result of  an
     acquisition of Common  Stock by  the Company which,  by reducing  the
     number  of shares outstanding,  increases the proportionate  number of
     shares beneficially owned by  such Person  to 15%  or more  of the  Common
     Stock then  outstanding; provided, however, that if a Person shall become
     the Beneficial  Owner of 15% or more  of the Common Stock then
     outstanding by reason of  share purchases by the Company  and shall,
     after  such  share purchases  by  the  Company, become  the Beneficial
     Owner of  any additional shares  of Common  Stock, then  such Person shall
     be deemed to be an "Acquiring Person."

          (b)  "Affiliate"  and  "Associate"  shall  have  the   respective
     meanings ascribed to such terms in Rule  12b-2 of the General Rules and
     Regulations under the Securities  Exchange Act  of 1934,  as amended  (the
     "Exchange  Act") as  in effect on the date of this Agreement.

          (c)  A  Person  shall  be deemed  the  "Beneficial  Owner"  of, shall
     have "Beneficial Ownership"  of  and  shall  be  deemed  to  "beneficially
     own"  any securities:

          (i)  which such Person, or  any of such Person's Affiliates  or
          Associates, beneficially owns, directly or indirectly;





                                       10
<PAGE>   3


          (ii) which such  Person or any  of such Person's  Affiliates or
          Associates, directly  or indirectly, has (A)  the right to  acquire
          (whether such right is exercisable immediately or only after  the
          passage of time) pursuant  to any agreement, arrangement  or
          understanding (whether  or not in  writing), or  upon  the  exercise
          of conversion  rights,  exchange  rights,  rights, warrants or
          options, or  otherwise; provided, however, that a  Person shall not
          be deemed  the "Beneficial  Owner" of, to  have "Beneficial
          Ownership" of, or to  "beneficially own," (1) securities tendered
          pursuant to a tender or exchange  offer made  by or  on behalf  of
          such  Person or  any of  such Person's  Affiliates  or  Associates
          until  such  tendered  securities  are accepted  for  purchase  or
          exchange,  or  (2)  securities  issuable  upon exercise of Rights  at
          any  time prior to  the occurrence  of a  Triggering Event or (3)
          securities issuable  upon exercise of  Rights from and  after the
          occurrence of  a Triggering Event, which  Rights were acquired  by
          such Person  or any  of  such Person's  Affiliates or  Associates
          prior to  the Distribution Date or  pursuant to Section  3(a) hereof
          ("Original  Rights") or pursuant  to Section 11(i)  or Section 22
          hereof in connection  with an adjustment made with respect to
          Original  Rights; or (B) the right to  vote or  dispose  of, pursuant
          to any  agreement, arrangement  or understanding (whether or not in
          writing); provided, however,  that a Person shall not be deemed the
          "Beneficial Owner" of, to have  "Beneficial Ownership" of, or to
          "beneficially own,"  any security under  this clause (B)  if the
          agreement, arrangement or understanding to  vote such security (1)
          arises  solely from a  revocable  proxy  given  in  response  to  a
          public  proxy  or  consent solicitation  made  pursuant to,  and  in
          accordance  with,  the applicable rules and regulations  of the
          Exchange Act  and (2) is not  then reportable by such Person  on
          Schedule 13D under  the Exchange Act (or  any comparable or successor
          report); or

          (iii)  which are beneficially  owned, directly or indirectly, by  any
          other Person  with  which  such Person  or  any of  such  Person's
          Affiliates or Associates has any agreement, arrangement  or
          understanding (whether or not in writing)  for the purpose of
          acquiring, holding, voting (except pursuant to a revocable proxy as
          described in clause (B) of subparagraph (ii) of





                                       11
<PAGE>   4


          this paragraph  (c))  or  disposing  of  any  securities  of  the
          Company; provided, however, that nothing  in this paragraph (c) shall
          cause a person engaged in business  as an underwriter of securities
          to  be the "Beneficial Owner" of, to  have "Beneficial  Ownership"
          of, or  to "beneficially  own," any  securities acquired through such
          person's participation in good faith in  a firm commitment
          underwriting until the expiration of forty days after the date of
          such acquisition.

          Notwithstanding  anything in  this definition  to the  contrary, the
          phrase "then  outstanding," when  used  with reference hereto, shall
          mean the  number of  such securities then issued  and outstanding
          together with the  number of  such securities  not then  actually
          issued and  outstanding  which such  Person would be deemed to own
          beneficially hereunder.

          (d)  "Business Day" shall mean any day other  than a Saturday,
     Sunday, or a day on  which banking institutions in the State of Michigan
     or the State of Ohio are authorized or obligated by law or executive order
     to close.

          (e)  "Close  of business"  on  any given  date shall  mean  5:00
     P.M.,  Ann Arbor, Michigan  time, on such date; provided, however, that if
     such date is not a Business Day  it shall mean 5:00 P.M.,  Ann Arbor,
     Michigan time, on  the next succeeding Business Day.

          (f)  "Common Stock" when used with reference to  the Company shall
     mean the Common Stock, $1.00 par  value, of the Company, and when  used
     with reference to any Person  other than  the  Company shall  mean the
     capital stock  (or  equity interest) with  the greatest voting  power, or
     the equity  securities or  other equity interest  having power  to
     control or  direct  the management,  of  such Person or, if  such other
     Person is  a subsidiary of another Person,  the Person or Persons which
     ultimately control such first-mentioned Person.

          (g)  "Continuing Director"  shall mean any member of the Board of
     Directors of  the Company,  while such person  is a  member of  the Board,
     who is  not an Acquiring Person, or  an Affiliate  or Associate of  an
     Acquiring  Person, or  a director, officer,  representative or nominee of
     an Acquiring Person or  of any such Affili





                                       12
<PAGE>   5


     ate or Associate  and who  either (i) was  a member  of the Board  prior
     to  the Shares Acquisition Date, or (ii) subsequently  became a member of
     the Board  and whose nomination  for election or  election thereto was
     recommended or approved by a majority of the Continuing Directors then on
     the Board.

          (h)  "Continuing Directors"  shall mean two  or more  Continuing
     Directors.  All approvals  or concurrences  by the  Continuing Directors
     shall require  the approval or concurrence of two or more Continuing
     Directors.

          (i)  "Distribution Date"  shall have  the meaning  set forth  in
     Section  3 hereof.

          (j)  "Expiration Date"  shall  have  the meaning  set  forth in
     Section  7 hereof.

          (k)  "Final Expiration Date" shall have the meaning set forth in
     Section 7 hereof.

          (l)  "Person" shall mean any individual, firm, corporation or  other
     entity and shall include any successor (by merger or otherwise) of such
     entity.

          (m)  "Preferred Stock"  shall mean shares  of Series A  Preferred
     Stock, no par value, of the Company.

          (n)  "Shares  Acquisition  Date"  shall  mean  the  first  date  of
     public announcement by the  Company or an Acquiring Person that an
     Acquiring Person has become such.

          (o)  "Subsidiary"  or "subsidiary" of any Person shall mean any
     corporation or other entity  of which a  majority of the voting  power of
     the  voting equity securities or equity interest is owned, directly or
     indirectly, by such Person.

          (p)  "Substantial Block" shall mean a number of shares of the Common
     Stock which  equals or exceeds 15%  of the number  of shares of the
     Common Stock then outstanding.

          (q)  "Triggering  Event"  shall   mean  any  event  described   in
     Section 11(a)(ii)(A), (B) or (C) or Section 13(a).

     SECTION 2.     APPOINTMENT OF  RIGHTS AGENT.   The  Company hereby
appoints  the Rights Agent to act as  agent for the Company and the holders of
the Rights (who, in accordance with





                                       13
<PAGE>   6

Section  3 hereof shall  prior to  the Distribution Date  also be the  holders
of the Common Stock)  in accordance  with the terms  and conditions  hereof,
and the  Rights Agent hereby  accepts such appointment.   The Company  may from
time to  time appoint such Co-Rights Agents as it may deem necessary or
desirable.

     SECTION 3.     ISSUE OF  RIGHT CERTIFICATES.   (a) Until the earlier  of
(i) the tenth  business day after the Shares Acquisition Date  or (ii) the
tenth business day (or such later date  as may be determined by  action of the
Board of  Directors, with the concurrence of a majority of the Continuing
Directors, prior to such time as any Person becomes an Acquiring  Person) after
the date of the commencement  of, or first public  announcement of  the  intent
to commence,  by  any  Person (other  than  the Company, any subsidiary of the
Company, or  any employee benefit plan of the  Company or of any subsidiary of
the  Company or any Person or entity organized, appointed  or established by
the  Company for or pursuant to the terms  of any such plan), a tender or
exchange offer  if, upon consummation thereof,  such Person would be  an
Acquiring Person (including any such  date which is after the date of this
Agreement and prior to the issuance  of the Rights; the earlier of the  dates
in subsections (i) and (ii) hereof being herein referred  to as the
"Distribution Date"), (x) the  Rights will be evidenced (subject  to the
provisions  of paragraph  (b) of  this Section  3) by  the certificates  for
the  Common Stock  registered in  the names of  the holders  of the Common
Stock (which certificates  for the  Common Stock shall  be deemed also  to be
Right  Certificates) and not  by separate  Right Certificates,  and (y) the
right to receive Right Certificates will be transferable only in connection
with the  transfer of the Common Stock.  As soon as practicable after the
Distribution  Date, the Rights Agent  will send,  by first-class,  insured,
postage prepaid  mail,  to each  record holder of the  Common Stock as of the
close of  business on the Distribution Date, at the address of such holder
shown on the records of  the Company, a Right Certificate, in  substantially
the form of  Exhibit B hereto, evidencing one  Right for each share of the
Common Stock  so held.    As of  the Distribution  Date, the  Rights will  be
evidenced solely by  such Right  Certificates.  The  Company will  notify the
Rights Agent promptly of the Distribution Date.

     (b)  On the Record  Date, or as soon as practicable thereafter, the
Company will send a copy of a Summary of Rights to Purchase  Preferred Stock,
in substantially the form attached hereto as Exhibit C (the  "Summary of
Rights"), by first-class, postage prepaid mail, to each record holder of the
Common Stock as of the close of  business on  the  Record Date,  at the
address of  such holder  shown on  the records  of the Company.   With respect
to  certificates for the  Common Stock outstanding  as of the Record  Date,
until  the  Distribution Date,  the Rights  will  be evidenced  by such
certificates for the Common Stock regis





                                       14
<PAGE>   7

tered in the names of  the holders of the Common Stock.  Until  the
Distribution Date (or  earlier redemption,  exchange or expiration  of the
Rights), the  surrender for transfer of  any of the certificates  for the
Common Stock  outstanding on the Record Date, shall also  constitute the
transfer  of the Rights  associated with the  Common Stock represented by such
certificate.

     (c)  Rights  shall be issued  in respect  of all  shares of Common  Stock
issued after the  Record  Date but  prior  to the  earlier  of the
Distribution  Date,  the Expiration  Date or the Final Expiration  Date (as
such terms  are defined in Section 7).   Certificates representing such shares
of Common  Stock shall have impressed on, printed on, written on or otherwise
affixed to them the following legend:

     This certificate  also  evidences  and entitles  the  holder hereof  to
     certain Rights as  set forth in  a Rights  Agreement between Comshare,
     Incorporated and KeyBank National Association, Rights Agent, dated as  of
     September 16, 1996 (the "Rights Agreement"),  the  terms  of which  are
     hereby incorporated  herein  by reference and  a copy of which is on  file
     at the principal executive offices of Comshare, Incorporated.    Under
     certain circumstances,  as  set forth  in  the Rights Agreement, such
     Rights will  be evidenced by  separate certificates  and will no longer be
     evidenced by this certificate.   Comshare, Incorporated  will mail  to the
     holder of  this certificate a  copy of the Rights  Agreement (as in effect
     on  the date  of  mailing) without  charge promptly  after receipt  of  a
     written request  therefor.   Under certain  circumstances, Rights  which
     are  or were beneficially owned by  Acquiring Persons or their Affiliates
     or Associates (as such terms  are defined in the  Rights Agreement) and
     any  subsequent holder of such Rights may become null and void.


With respect  to  such  certificates  containing  the  foregoing  legend,
until  the Distribution Date,  the Rights associated with  the Common Stock
represented by such certificates shall be  evidenced by such  certificates
alone,  and the surrender  for transfer  of any  of such  certificates shall
also  constitute the  transfer of  the Rights associated with  the Common
Stock represented by  such certificate.   In  the event  that the Company
purchases or acquires  any shares of the  Common Stock after the Record Date
but prior  to the Distribution Date, any Rights  associated with such shares of
the Common  Stock shall be deemed cancelled and retired so that the Company
shall not  be entitled to exercise any Rights  associated with the Common Stock
which is no longer outstanding.





                                       15
<PAGE>   8

     SECTION 4.     FORM OF  RIGHT CERTIFICATES.  (a) The Right Certificates
(and the forms of election to  purchase shares and of assignment to be printed
on the reverse thereof) shall be substantially the same as Exhibit B hereto and
may  have such marks of identification  or designation and such legends,
summaries or endorsements printed thereon as  the Company  may deem appropriate
and as are  not inconsistent  with the provisions  of this Agreement,  or as
may  be required to  comply with any applicable law  or with  any  rule or
regulation  made pursuant  thereto  or with  any rule  or regulation  of any
stock  exchange on  which the  Rights may  from  time to  time be listed, or to
conform to  usage.  Subject to the provisions of Section 22 hereof, the Right
Certificates,  whenever issued, shall  be dated as of  the Record Date,  and on
their  face  shall entitle  the  holders  thereof  to  purchase such  number
of  one one-hundredths of a share  of the Preferred  Stock as shall be  set
forth therein  at the price per  share set  forth therein (the  "Purchase
Price"), but  the amount  and type of securities and  the Purchase Price
thereof shall be  subject to adjustment as provided herein.

     (b)  Notwithstanding  any   other  provision  of   this  Agreement,   any
Right Certificate issued  pursuant to Section  3(a) or  Section 22  hereof that
represents Rights beneficially owned  by (i) an Acquiring  Person or any
Associate  or Affiliate thereof,  (ii) on  or after  the Distribution  Date  by
any  Person who  subsequently becomes an Acquiring  Person (or an Affiliate  or
Associate of an  Acquiring Person), (iii) by a transferee  of an Acquiring
Person (or of any such Associate or Affiliate) who  becomes a  transferee after
the Acquiring  Person becomes  such, or  (iv) by  a transferee of  an
Acquiring Person  (or  of any  such  Associate or  Affiliate)  who becomes  a
transferee  prior to  or concurrently with  the Acquiring  Person becoming such
and  receives such Rights pursuant to either (A) a  transfer (whether or not
for consideration)  from  the Acquiring  Person to  holders of  equity
interests  in such Acquiring Person or to any Person  with whom such Acquiring
Person has any continuing agreement, arrangement or  understanding regarding
the transferred Rights  or (B)  a transfer  which the  Board of  Directors of
the  Company (with  the concurrence  of a majority of  the Continuing
Directors) has determined is  part of a plan, arrangement or understanding
which  has as a primary purpose or  effect avoidance of Section 7(e) hereof,
any  Right Certificate issued at  any time to  any nominee of  such Acquiring
Person, Associate or Affiliate, and any Right Certificate issued pursuant to
Section 6 or  Section 11  upon transfer,  exchange, replacement  or adjustment
of any  other Right Certificate referred to in this sentence, shall contain the
following legend:

     The Rights represented by this Right Certificate are  or were beneficially
     owned by a Person who was or became an Acquiring Person or an Affiliate or
     an





                                       16
<PAGE>   9


     Associate  of an  Acquiring Person  (as such  terms  are defined  in the
     Rights Agreement).   Accordingly,  this Right  Certificate  and the
     Rights represented hereby may  become null and void in the  circumstances
     specified in Section 7(e) of the Rights Agreement.


     SECTION 5.     COUNTERSIGNATURE AND REGISTRATION.  The Right Certificates
shall be executed  on behalf of the  Company in the manner  provided in the
By-Laws of the Company for  Common Stock  Certificates.   The Right
Certificates shall be  manually countersigned by  the Rights Agent and shall
not be valid for  any purpose unless so countersigned.  In case any officer of
the  Company who shall have signed any of  the Right   Certificates  shall
cease  to   be  such  officer   of  the  Company  before countersignature by
the Rights  Agent and issuance and delivery by  the Company, such Right
Certificates,  nevertheless, may  be countersigned  by  the Rights  Agent, and
issued and delivered with  the same force and effect as though the  person who
signed such Right Certificates  had not ceased  to be such officer  of the
Company;  and any Right Certificate may be  signed on behalf of the  Company by
any person who,  at the actual date of the execution of  such Right
Certificate, shall be a proper officer of the Company to sign such Right
Certificate, although at the  date of the execution of this Rights Agreement
any such person was not such an officer.

     Following the  Distribution Date,  the Rights  Agent will  keep or  cause
to  be kept, at  its principal  office, books  for registration  and transfer
of the  Right Certificates issued hereunder.   Such books shall show the names
and addresses of the respective holders of the  Right Certificates, the number
of Rights  evidenced on its face  by  each  of  the  Right  Certificates  and
the date  of  each  of  the  Right Certificates.

     SECTION 6.     TRANSFER,   SPLIT  UP,   COMBINATION   AND   EXCHANGE  OF
RIGHT CERTIFICATES, MUTILATED,  DESTROYED, LOST OR  STOLEN RIGHT CERTIFICATES.
Subject to the provisions of Section  4(b), Section 7(e), Section  14 and
Section 27  hereof, at any time  after the close of  business on the
Distribution  Date, and at  or prior to the close of business on the  earlier
of the Expiration Date or the Final  Expiration Date,  any   Right  Certificate
or  Certificates  (other  than  Rights  Certificates representing  Rights that
have  become void pursuant  to Section 7(e)  hereof or that have  been
exchanged pursuant  to Section  27 hereof)  may be transferred,  split up,
combined or  exchanged for another Right Certificate or Right Certificates,
entitling the registered holder to purchase a  like number of one
one-hundredths of  a share of Preferred Stock  (or, following a  Triggering
Event, Common  Stock, other securities, cash  or  other  assets, as  the  case
may be)  as  the Right  Certificate  or Right Certificates surrendered then
entitled such holder (or former holder in the





                                       17
<PAGE>   10

case of a transfer)  to purchase.  Any registered holder  desiring to transfer,
split up, combine  or exchange  any Right Certificate  shall make  such request
in  writing delivered  to the Rights  Agent, and shall  surrender the Right
Certificate or Right Certificates to  be transferred,  split up,  combined or
exchanged at the  principal office of  the Rights  Agent for  such purpose.
Neither  the Rights  Agent nor  the Company  shall be  obligated  to  take any
action  whatsoever  with respect  to  the transfer  of  any such  surrendered
Rights  Certificate  until the  registered holder shall have completed and
signed the certificate contained in the  form of assignment on  the  reverse
side  of such  Rights  Certificate  and  shall  have provided  such additional
evidence  of the identity  of the Beneficial  Owner (or  former Beneficial
Owner) or Affiliates or Associates  thereof as the Company shall reasonably
request.  Thereupon the Rights Agent shall, subject  to Section 4(b), Section
7(e), Section  14 and Section  27 hereof,  countersign and  deliver to  the
person  entitled thereto  a Right Certificate or Right Certificates,  as the
case may  be, as so requested.   The Company may  require payment of  a sum
sufficient  to cover  any tax or  governmental charge that may be imposed in
connection with any transfer, split  up, combination or exchange of Right
Certificates.

     Upon  receipt  by  the Company  and  the  Rights  Agent  of evidence
reasonably satisfactory  to them  of  the loss,  theft,  destruction or
mutilation  of a  Right Certificate,  and, in case  of loss, theft  or
destruction, of  indemnity or security reasonably satisfactory to them, and, at
the Company's request,  reimbursement to the Company and the Rights Agent of
all  reasonable expenses incidental thereto, and upon surrender  to  the
Rights  Agent  and  cancellation  of  the  Right  Certificate  if mutilated,
the Company  will make and deliver a  new Right Certificate of  like tenor to
the Rights  Agent for  delivery  to the  registered owner  in lieu  of  the
Right Certificate so lost, stolen, destroyed or mutilated.

     SECTION 7.     EXERCISE OF  RIGHTS; PURCHASE PRICE;  EXPIRATION DATE  OF
RIGHTS.  (a)  Subject to  Section 7(e)  and Section 27  hereof, the  registered
holder  of any Right Certificate  may exercise  the Rights  evidenced thereby
(except as  otherwise provided herein) in  whole or in part  at any time  after
the Distribution Date  upon surrender  of the Right  Certificate, with the
form of  election to purchase  on the reverse  side thereof duly executed,  to
the Rights Agent  at the principal office of the Rights Agent, together with
payment of  the aggregate Purchase Price with respect to the  total number of
one one-hundredths of a  share of Preferred  Stock (or other securities or
property, as  the case may be) as to which such  surrendered Rights are then
exercisable, at or prior to the close of business on the earlier of (i)
September 16, 2006 (the "Final Expiration Date"), (ii) the date  on which the
Rights are  redeemed as provided in Section 23, (iii) the time at which





                                       18
<PAGE>   11

such Rights are exchanged as provided in Section 27 hereof  or (iv) the time at
which the  Rights expire pursuant to  Section 13(d) hereof (the earliest  of
(ii), (iii) or (iv) being herein referred to as the "Expiration Date").

     (b)  The  Purchase  Price for  each one  one-hundredth of  a share  of
Preferred Stock pursuant to the exercise of a Right  shall initially be
$110.00, shall be subject to adjustment from time  to time as provided in
Sections 11 and 13 hereof  and shall be payable  in  lawful money  of the
United  States of  America in  accordance  with paragraph (c) below.

     (c)  Upon receipt  of a Right Certificate  representing exercisable
Rights, with the form of  election to purchase and  the certificate duly
executed,  accompanied by payment of the  Purchase Price per  one one-hundredth
of a  share of Preferred  Stock (or other shares, securities or property, as
the case may be) to be purchased and  an amount equal to any  applicable
transfer tax in cash,  or by certified check  or bank draft  payable to  the
order of  the Company,  the  Rights Agent  shall, subject  to Section  20(k)
hereof, thereupon promptly (i)  requisition from any transfer agent of the
Preferred  Stock  of  the Company  certificates  for  the  total  number of
one one-hundredths of a  share of Preferred Stock to be  purchased and the
Company hereby irrevocably authorizes its transfer  agent to comply with all
such  requests, (ii) if the  Company shall have  elected to deposit  the total
number of  shares of Preferred Stock  issuable  upon  exercise of  the  Rights
hereunder with  a  depositary agent, requisition from  the depositary agent
depositary receipts representing  such number of one one-hundredths of a  share
of Preferred Stock as are to be purchased (in which case  certificates for  the
shares  of Preferred Stock  represented by  such receipts shall be deposited by
the  transfer agent with the depositary agent) and  the Company will  direct
the  depositary   agent  to  comply  with  such  request,   (iii)  when
appropriate, requisition  from any transfer agent of the  Common Stock of the
Company certificates for the total  number of shares of Common Stock to be paid
in accordance with   Section  11(a)(ii),  11(a)(iii)   and  Section  27,   (iv)
when  appropriate, requisition from the  Company the amount of  cash to be paid
in lieu of issuance  of fractional shares in accordance  with Section 14, (v)
promptly after  receipt of such certificates or depositary receipts,  cause the
same to be  delivered to or upon  the order of the registered holder of such
Right Certificate, registered  in such name or names as may be designated  by
such holder and (vi) when  appropriate, after receipt, promptly  deliver such
cash  to or  upon the order  of the registered  holder of such Right
Certificate.   In the event that the  Company is obligated to issue securities,
distribute property or  pay cash pursuant to  Section 11(a)(iii) hereof, the
Company will make  all  arrangements  necessary so  that  cash,  property or
securities  are available  for issuance, distribution  or payment  by the
Rights Agent, if  and when appropriate.





                                       19
<PAGE>   12

     (d)  In case the registered holder of any Right Certificate shall exercise
less than  all the  Rights evidenced thereby,  a new  Right Certificate
evidencing Rights equivalent to the  Rights remaining unexercised shall  be
issued by the  Rights Agent to  the registered  holder  of  such Right
Certificate  or  to his  duly  authorized assigns, subject to the provisions of
Section 14 hereof.

     
     (e)  Notwithstanding anything  in this  Agreement  to the  contrary,
any Rights that are or were at any time on or after the earlier of the  
Distribution Date  or the Shares Acquisition  Date  beneficially  owned  by (i) 
an Acquiring  Person  or  any Associate  or Affiliate of  an Acquiring  Person,
(ii)  a transferee of  an Acquiring Person (or of  any such Associate  or
Affiliate) who  becomes a transferee after  the Acquiring Person becomes  such,
or (iii) a transferee  of an Acquiring Person  (or of any such Associate  or
Affiliate) who becomes  a transferee prior to  or concurrently with the
Acquiring Person  becoming such and receives such Rights  pursuant to either
(A)  a transfer  (whether  or not  for consideration)  from  the Acquiring
Person to holders of equity interests  in such Acquiring Person or to any
Person  with whom the Acquiring  Person  has   any  continuing  agreement,
arrangement   or  understanding regarding the transferred  Rights or (B) a
transfer which the Board of  Directors of the  Company (with the  concurrence
of  a majority  of the Continuing  Directors) has determined is  part of a
plan,  arrangement or understanding  which has as  a primary purpose  or effect
the  avoidance of  this Section 7(e),  shall become null  and void upon the
occurrence of a  Triggering Event and no  holder of such  Rights shall have any
right with respect to such Rights under  any provision of this Agreement from
and after the occurrence  of a Triggering Event.   No Rights Certificate  shall
be issued pursuant to  Section 3  that represents  Rights beneficially  owned
by an  Acquiring Person  whose  Rights would  be  void  pursuant  to  the
preceding  sentence  or  any Associate, Affiliate or transferee thereof whose
rights would be void pursuant to the preceding sentence; no Rights Certificate 
shall be issued at any time upon the transfer  of any Rights to  an Acquiring
Person whose Rights  would be void pursuant to the preceding sentence  or any
Associate, Affiliate or transferee thereof whose rights would be void pursuant
to the preceding sentence or to any  nominee  of  such  Acquiring  Person, 
Associate,  Affiliate  or transferee; and any Rights Certificate delivered to
the Rights Agent for transfer to an Acquiring  Person whose Rights  would be
void  pursuant to the preceding sentence shall be cancelled.  The Company 
shall use all reasonable efforts to insure that the provisions of this Section
7(e) and Section 4(b) hereof are  complied with, but shall have no liability to
any  holder of Rights Certificates  or other Person as a  result of its failure
to  make any determinations with respect to an Acquiring Person or its
Affiliates, Associates or transferees hereunder.

     (f)  Notwithstanding anything  in this Agreement  to the  contrary,
neither  the Rights  Agent nor the Company shall be obligated to undertake any
action with respect to a registered





                                       20
<PAGE>   13

holder upon the occurrence of any purported exercise  as set forth in this
Section  7 unless such registered  holder shall  have (i) completed  and signed
the  certificate contained in the form  of election to purchase set  forth on
the reverse side  of the Rights Certificate surrendered for  such exercise, and
(ii) provided  such additional evidence of  the identity  of the Beneficial
Owner (or  former Beneficial Owner)  or Affiliates or Associates thereof as the
Company shall reasonably request.

     SECTION 8.     CANCELLATION AND  DESTRUCTION OF RIGHT  CERTIFICATES.   All
Right Certificates  surrendered   for  the  purpose   of  exercise,  transfer,
split  up, combination  or exchange  shall, if  surrendered  to the  Company or
to  any of  its agents, be  delivered to the Rights Agent for  cancellation or
in cancelled form, or, if  surrendered  to  the  Rights  Agent, shall  be
cancelled  by  it,  and  no Right Certificates shall be issued in lieu thereof
except as  expressly permitted by any of the provisions of this Agreement.  The
Company shall deliver to the Rights Agent  for cancellation  and retirement,
and  the Rights Agent  shall so cancel  and retire, any other Right Certificate
purchased or acquired by the Company otherwise than  upon the exercise thereof.
The Rights  Agent shall deliver all  cancelled Right Certificates to  the
Company,  or shall,  at  the written  request of  the  Company, destroy  such
cancelled  Right Certificates,  and  in such  case  shall  deliver a
certificate  of destruction thereof to the Company.

     SECTION 9.     RESERVATION AND  AVAILABILITY OF  SHARES OF CAPITAL  STOCK.
(a) The  Company  covenants and  agrees  that  it will  cause  to  be reserved
and  kept available out of its authorized and unissued shares of Preferred
Stock (and  will use its  best efforts,  following  the  occurrence of  a
Triggering  Event, out  of  its authorized and unissued  shares of Common Stock
or its authorized and  issued Common Stock  held in  its  treasury  and/or
other  securities),  the  number of  shares  of Preferred Stock  (and,
following the  occurrence of a Triggering  Event, Common Stock and/or other
securities) that,  as provided in this Agreement, will  be sufficient to permit
the exercise in full of all outstanding Rights.

     (b)  So long as the shares of Preferred  Stock (and, following the
occurrence of a Triggering  Event, Common Stock  and/or other securities)
issuable and deliverable upon  the exercise of Rights  may be listed on  any
national securities exchange, the Company shall use  its best efforts to cause,
from and  after such time as the Rights become  exercisable, all  shares
reserved for  such issuance  to  be listed  on such exchange upon official
notice of issuance upon such exercise.

     (c)  The Company shall use its best efforts to (i)  file, as soon as
practicable following  the first occurrence of a Triggering Event, a
registration statement under the Securi





                                       21
<PAGE>   14

ties  Act  of  1933 (the  "Act"),  with  respect  to the  Rights  and  the
securities purchasable upon  exercise of  the Rights  on an  appropriate form,
(ii) cause  such registration statement to become  effective as soon as
practicable after such filing, and (iii)  cause such registration statement  to
remain effective (with  a prospectus at  all times meeting the requirements  of
the Act) until the  date of the expiration of the Rights.   The Company will
also take  such action as may be  appropriate under the  blue sky laws of the
various states.  The Company, by resolution of its Board of Directors  (which
resolution  shall  be effective  only  with  the concurrence  of  a majority of
the  Continuing Directors), may temporarily suspend, for a period of time not
to exceed ninety (90) days, the exercisability of the Rights in  order to
prepare and file such  registration statement.  Upon  any such suspension, the
Company shall issue a public  announcement stating that the  exercisability of
the Rights  has been temporarily  suspended, as well  as a  public announcement
and notice to  the Rights Agent  at such time as  the suspension is  no longer
in effect.   Notwithstanding any provision of  this Agreement to the contrary,
the Rights  shall not be exercisable in any jurisdiction unless the  requisite
qualification in such jurisdiction  shall have been obtained.

     (d)  The Company covenants  and agrees that it will take  all such action
as may be  necessary to ensure  that all one  one-hundredths of  a share of
Preferred Stock (and,  following the  occurrence of  a Triggering  Event,
Common  Stock and/or  other securities) delivered upon exercise of  Rights
shall, at the time of  delivery of the certificates for such shares (subject to
payment of  the Purchase Price), be duly and validly authorized and issued and
fully paid and nonassessable.

     (e)  The Company  further covenants  and agrees that  it will  pay when
due  and payable  any and  all  federal and  state  transfer taxes  and charges
which  may be payable in respect of the  issuance or delivery of  the Right
Certificates or of  any one  one-hundredths of  a share  of Preferred  Stock
(or Common  Stock and/or  other securities, as the case may  be) upon the
exercise of Rights.  The Company shall not, however, be required (a) to  pay
any transfer tax which may be payable  in respect of any  transfer involved  in
the  transfer or  delivery  of Right  Certificates or  the issuance or
delivery  of certificates  for  the one  one-hundredths  of a  share  of
Preferred  Stock (or Common Stock  and/or other securities, as the  case may
be) in a name other  than that of  the registered holder  of the Right
Certificate evidencing Rights surrendered  for exercise or  (b) to issue or
deliver any certificates  for a number of one one-hundredths  of a share of
Preferred Stock upon the  exercise of any Rights  until any such tax  shall
have been  paid (any such tax  being payable by the holder of such  Right
Certificate  at the time  of surrender)  or until  it has  been established to
the Company's satisfaction that no such tax is due.





                                       22
<PAGE>   15

     SECTION 10.         PREFERRED STOCK  RECORD DATE.  Each person in whose
name any certificate for  a number of  one one-hundredths of  a share  of
Preferred Stock  (or shares of Common  Stock and/or other securities,  as the
case may be)  is issued upon the exercise of Rights shall for all purposes be
deemed  to have become the holder of record  of such  fractional shares  of
Preferred  Stock  (or shares  of Common  Stock and/or other  securities,  as
the  case  may be)  represented  thereby on,  and  such certificate shall  be
dated, the  date upon  which the  Right Certificate  evidencing such  Rights
was duly  surrendered  and  payment  of  the Purchase  Price  (and  any
applicable transfer taxes)  was made;  provided, however, that  if the  date of
such surrender and  payment is  a date  upon which  the Preferred  Stock (or
Common  Stock and/or other  securities, as  the  case may  be) transfer  books
of  the Company  are closed, such  person shall be deemed to have become the
record holder of such shares (fractional or  otherwise)  on,  and  such
certificate  shall  be  dated,  the  next succeeding Business Day  on which the
Preferred  Stock (or Common Stock  and/or other securities, as  the case may
be)  transfer books of the  Company are open.   Prior to the exercise  of the
Rights evidenced  thereby, the  holder of  a Right  Certificate shall not be
entitled to any rights of a shareholder  of the Company with respect to shares
for which the Rights shall be exercisable, including, without limitation, the
right  to  vote, to  receive  dividends or  other  distributions or  to
exercise any preemptive  rights,  and  shall  not  be  entitled  to  receive
any  notice  of  any proceedings of the Company, except as provided herein.

     SECTION 11.         ADJUSTMENT OF PURCHASE PRICE, NUMBER  OF SHARES OR
NUMBER OF RIGHTS.   The Purchase  Price, the  number of  shares covered  by
each Right  and the number of Rights outstanding  are subject to adjustment
from time to time as provided in this Section 11.

          (a)  (i)  In  the event the  Company shall  at any  time after the
     date of this Agreement (A) declare  a dividend on the Preferred Stock
     payable in shares of  the  Preferred Stock,  (B) subdivide  the
     outstanding Preferred  Stock, (C) combine the  outstanding Preferred Stock
     into a smaller  number of shares or (D) issue any  shares of its  capital
     stock in  a reclassification of  the Preferred Stock  (including any such
     reclassification in connection  with a consolidation or  merger in  which
     the  Company is  the  continuing  corporation), except  as otherwise
     provided in this  Section 11(a) and Section 7(e)  hereof, the Purchase
     Price in effect  at the  time of the  record date  for such dividend  or
     of  the effective  date of  such subdivision,  combination or
     reclassification, and the number and  kind of shares of Preferred Stock
     or capital stock, as the case may be, issuable on





                                       23
<PAGE>   16


     such date,  shall be proportionately  adjusted so that  the holder of  any
     Right exercised after such  time shall be entitled to receive the
     aggregate number and kind of shares of Preferred Stock  or capital stock,
     as the case  may be, which, if  such Right had been exercised  immediately
     prior to such date  and at a time when the Preferred Stock transfer books
     of the Company were open, he would  have owned  upon such  exercise  and
     been entitled  to  receive  by virtue  of  such dividend, subdivision,
     combination or  reclassification.   If  an event  occurs which would
     require  an  adjustment under  both  Section 11(a)(i)  and  Section
     11(a)(ii), the  adjustment provided  for in  this Section  11(a)(i) shall
     be  in addition to,  and shall  be made prior  to any  adjustment required
     pursuant  to Section 11(a)(ii).

          (ii) Subject to Section 27 of this Agreement, in the event:

               (A)    any Acquiring  Person  or  any Associate  or  Affiliate
          of  any Acquiring Person,  at any time  after the date of  this
          Agreement, directly or indirectly, (1)  shall merge into the Company
          or otherwise combine with the Company (including a "plan of share
          exchange" as defined in the Michigan Business Corporation Act) the 
          Company shall be the continuing or  surviving corporation of such 
          merger  or combination, and the  Common Stock of the  Company shall 
          remain  outstanding, (2) shall merge, consolidate or otherwise 
          combine with any Subsidiary of the Company (including a "plan of 
          share exchange" as defined in the Michigan Business Corporation Act) 
          (except in a transaction complying with  the conditions of Section 
          13(d)  of this Agreement), (3) shall, in  one or more transactions, 
          transfer   any  assets  to   the Company or  any of  its Subsidiaries 
          in exchange  (in whole or in  part) for shares of  the capital stock 
          of  the  Company  or  any of  its Subsidiaries  or  for  securities 
          exercisable  for or  convertible into  shares of  the capital  stock 
          of the Company or any of its Subsidiaries or otherwise obtain from 
          the  Company or any  of its Subsidiaries,  with or  without 
          consideration,  any additional shares of  the capital stock of the  
          Company or any of  its Subsidiaries or securities exercisable  for 
          or convertible into shares of the capital stock of the  Company or  
          any of its  Subsidiaries (other than  as part of  a pro rata 
          distribution to all holders  of the Common Stock of the Company or 
          any of its Subsidiaries), (4) shall sell, purchase, lease, exchange, 
          mortgage, pledge,  transfer or otherwise dispose (in one transaction  
          or a series of transactions), to, from or





                                       24
<PAGE>   17


          with the Company or any of the  Company's Subsidiaries, assets on
          terms and conditions less favorable  to the Company than the Company
          would be able to obtain through arm's-length  negotiation with an
          unaffiliated  third party, other  than  a transaction  set forth  in
          Section  13(a) hereof,  (5) shall receive  any  compensation  from
          the  Company  or  any  of  the  Company's Subsidiaries other than
          compensation for full-time employment as a  regular employee at rates
          in  accordance with the Company's (or  its subsidiaries') past
          practices, or (6) shall receive a  direct or indirect benefit (except
          proportionately  as a  stockholder), of  any  loans, advances,
          guarantees, pledges or  other  financial assistance  or any  tax
          credits  or other  tax advantage provided by the Company or any of
          its Subsidiaries, or

               (B)       any Person  (other than the  Company, any Subsidiary
          of the Company, any employee benefit plan of  the Company or of any
          Subsidiary  of the Company,  or any Person  or entity organized,
          appointed or established by the Company  for or pursuant  to the
          terms of  any such plan),  alone or together with  its Affiliates and
          Associates, shall become  the Beneficial Owner of  15% or  more  of
          the  shares of  Common Stock  then  outstanding, unless the event
          causing  the 15% threshold to be crossed  is a transaction set  forth
          in  Section  13(a) hereof,  or is  an  acquisition of  shares of
          Common Stock  pursuant to  a  tender offer  or an  exchange offer
          for  all outstanding shares of Common Stock at a price  and on terms
          determined by a majority of  the Continuing Directors,  after
          receiving advice  from one or more investment  banking firms
          selected by  a majority  of the  Continuing Directors, to be (a) at
          a price that is fair to shareholders  (taking into account all
          factors that the  Continuing Directors deem relevant including,
          without  limitation,  prices  that  could  reasonably be  achieved
          if  the Company or  its assets were  sold on an  orderly basis
          designed  to realize maximum value) and (b) otherwise in  the best
          interests of the Company  and its  shareholders  (other than  the
          Person  or  any Affiliate  or Associate thereof on whose behalf the
          offer is being made), or

               (C)   during such  time as  there is  an Acquiring  Person, (1)
          there shall be any failure to declare and pay at the regular date
          therefor any





                                       25
<PAGE>   18


          dividends (whether  or not cumulative)  on any outstanding  Preferred
          Stock of the Company (except to the  extent such declaration or
          payment would  be prohibited under the  laws of the Company's
          jurisdiction of incorporation), (2) there shall  be any reduction in
          the annual rate of dividends  paid on the Common Stock  (except to
          reflect any subdivision of the Common Stock or as required under the
          laws of the Company's jurisdiction  of incorporation or  as  approved
          by  a  majority  of  the  Continuing  Directors  and  the Continuing
          Directors constitute a majority  of the Board of Directors or by the
          holders of  66-2/3% percent or more  of the then outstanding  shares
          of Common Stock  beneficially owned by Persons other than the
          Acquiring Person or its Affiliates  or Associates), (3) there shall
          be a failure to increase the annual rate of  dividends as necessary
          to reflect  any reclassification (including any  reverse stock
          split), recapitalization, reorganization  or any similar  transaction
          which  has the  effect of  reducing the number  of outstanding shares
          of the Common Stock (except to  the extent such increase in  the rate
          of  dividends  would be  prohibited  under  the laws  of  the
          Company's  jurisdiction  of  incorporation),  or (4)  there  shall
          be  any reclassification  of securities  (including any  reverse
          stock split),  or recapitalization of  the Company,  or any  merger
          or  consolidation of  the Company with any  of its Subsidiaries or
          any other transaction or series of transactions to which  the Company
          or  any of its  Subsidiaries is a  party (whether or not  with or
          into  or otherwise involving an  Acquiring Person) which  has the
          effect, directly  or indirectly, of  increasing by more than 1%  the
          proportionate  share of  the  outstanding shares  of  any class  of
          equity or convertible securities of the Company  or any of its
          Subsidiaries which  is  directly or  indirectly  owned by  any
          Acquiring  Person  or any Associate or Affiliate of any Acquiring
          Person,

     then,  within  five (5)  days  after  the date  of  the occurrence  of  an
     event described  in Section 11(a)(ii)(B) hereof and  promptly following
     the occurrence of any event  described in Section 11(a)(ii)(A) or (C)
     hereof, proper provision shall be made  so that each  holder of  a Right
     (except  as provided in  Section 7(e) hereof) shall thereafter have a
     right to receive, upon exercise  thereof at the then current Purchase
     Price in accordance with the





                                       26
<PAGE>   19


     terms of this  Agreement, in lieu of a  number of one one-hundredths of  a
     share of Preferred Stock, such number of shares of the Common Stock of
     the Company as shall equal  the result obtained  by (x) multiplying  the
     then  current Purchase Price by  the then number  of one one-hundredths of
     a share of  Preferred Stock for  which a Right is  then exercisable and
     dividing that  product by (y) 50% of the  current  market  price  per
     share  of  the  Common  Stock of  the  Company (determined  pursuant to
     Section  11(d)) on the  date on which the  first of the events listed
     above  in this subparagraph (ii) occurs (such number of shares are
     hereinafter referred to as the "Adjustment Shares").

          (iii)   In the  event that  there shall  not be  sufficient
     authorized  but unissued  Common  Stock  to  permit  the  exercise  in
     full  of the  Rights  in accordance with  the foregoing  subparagraph
     (ii),  the Company  shall take  all such action as may be necessary  to
     authorize additional shares of Common  Stock for issuance  upon exercise
     of the Rights; provided,  however, if the Company is unable to  cause the
     authorization  of a sufficient number  of additional shares of  Common
     Stock,  then,  in the  event the  Rights  become so  exercisable, the
     Company, with respect  to each Right and  to the extent necessary  and
     permitted by  applicable law  and any  agreements or  instruments  in
     effect  on the  date hereof to which it is  a party, shall, upon the
     exercise of such Rights, (A) pay cash  in an amount  equal to  the
     Purchase Price,  in lieu of  issuing shares of Common  Stock and
     requiring  payment  therefor, or  (B)  issue  debt or  equity securities,
     or a  combination thereof, having a value equal to the Current Value (as
     defined hereinafter) of  the Common  Stock (including,  without
     limitation, shares, or units of shares, of preferred  stock, which may
     include the Preferred Stock), where the value of such  securities shall be
     determined by a  nationally recognized investment  banking firm selected
     by the Board  of Directors of  the Company (with the concurrence  of a
     majority  of the Continuing Directors),  and require  the payment of  the
     Purchase Price,  or (C) deliver  any combination of cash, property, Common
     Stock and/or other  securities having  a value equal  to the Current
     Value,  and require payment of all or  any requisite portions of the
     Purchase Price.  The  Current Value shall be the  product of the current
     market price per share  of Common Stock  (determined pursuant to  Section
     11(d) on  the date of the occurrence of  any of the events listed above
     in subparagraph (ii)) multiplied  by  the  number  of shares  of  Common
     Stock  for  which the  Right otherwise would be exercisable if there were





                                       27
<PAGE>   20


     sufficient shares available.   To  the extent that  the Company determines
     that some action need be taken  pursuant to clauses (A), (B) or (C) of the
     proviso of this Section 11(a)(iii), a majority of the  Continuing
     Directors may suspend the exercisability  of the Rights for a  period of
     up to 45  days following the date on which  the first  of the events
     listed in  Section 11(a)(ii)(A), (B)  or (C) shall have occurred, in order
     to decide the appropriate form of  distribution to be made pursuant to
     the above proviso and to  determine the value thereof.   In the event of
     any such suspension, the Company shall issue a public announcement stating
     that  the exercisability of  the Rights has  been temporarily suspended,
     as well as a public announcement at such time as the suspension is no
     longer  in effect.

     (b)  In the case the Company shall fix a record date for the issuance of
rights or warrants  to all holders of Preferred Stock entitling  them (for a
period expiring within  45 calendar  days  after  such record  date)  to
subscribe for  or  purchase Preferred Stock (or shares having the same  rights,
privileges and preferences as the shares of  Preferred Stock ("equivalent
preferred stock") or  securities convertible into Preferred  Stock  or
equivalent  preferred  stock) at  a  price  per  share  of Preferred Stock or
per share of equivalent  preferred stock (or having  a conversion price  per
share,  if  a  security convertible  into  Preferred Stock  or  equivalent
preferred stock) less  than the current  market price (as  defined in Section
11(d)) per share of Preferred Stock on such record date, the Purchase Price to
be in  effect after such  record date  shall be  determined by  multiplying the
Purchase Price  in effect immediately prior  to such record date by  a
fraction, of which  the numerator shall be the  number of  shares of Preferred
Stock outstanding on  such record  date plus the number of shares  of Preferred
Stock which  the aggregate offering price  of the total number  of shares of
Preferred  Stock and/or equivalent preferred  stock so to  be offered  (and/or
the  aggregate  initial conversion  price of  the convertible securities  so to
be offered)  would purchase at  such current  market price  and of which the
denominator  shall be the number  of shares of Preferred  Stock outstanding on
such record date  plus the number of  additional shares of Preferred  Stock
and/or equivalent preferred stock  to be offered for subscription or purchase
(or into which the convertible securities  so to  be offered are  initially
convertible);  provided, however,  that in no event  shall the consideration
to be paid upon  the exercise of one Right be less than the aggregate par value
of the shares of capital stock of the Company issuable upon exercise of one
Right.   In case such subscription price may be paid in a consideration part or
all of which shall be in a form other  than cash, the value of such
consideration shall be as determined in good faith by the Board





                                       28
<PAGE>   21

of Directors  of the Company  (with the concurrence  of a majority  of the
Continuing Directors),  whose determination  shall be described  in a
statement filed  with the Rights  Agent.  Shares  of Preferred Stock  owned by
or  held for the  account of the Company  shall not be  deemed outstanding  for
the  purpose of any  such computation.  Such adjustment shall be made
successively whenever such  a record date is fixed; and in the  event that
such rights  or warrants  are not so  issued, the  Purchase Price shall be
adjusted  to be the  Purchase Price which  would then be  in effect if  such
record date has not been fixed.

     (c)  In  case  the  Company  shall  fix a  record  date  for  the  making
of  a distribution to all holders of Preferred Stock (including any  such
distribution made in connection with a consolidation or merger  in which the
Company is the  continuing corporation)  of evidences of indebtedness  or
assets (other  than a regular periodic cash dividend at a rate  not in excess
of 125% of the rate of  the last cash dividend theretofore  paid  or a
dividend  payable  in  Preferred Stock,  but  including  any dividend  payable
in stock  other than  Preferred Stock)  or subscription  rights or warrants
(excluding those  referred to in Section 11(b)), the Purchase Price to be in
effect after such record date shall  be determined by multiplying the Purchase
Price in  effect  immediately prior  to  such  record  date by  a  fraction,
of which  the numerator  shall be the current market price (as  defined in
Section 11(d)) per share of Preferred Stock on such record date, less the fair
market value (as determined  in good faith  by the  Board of  Directors of  the
Company  (with the  concurrence of  a majority of the  Continuing Directors),
whose  determination shall be described  in a statement filed  with the Rights
Agent) of the  portion of the assets or evidences of indebtedness  so  to  be
distributed or  of  such  subscription  rights  or warrants applicable to one
share of  Preferred Stock and  of which the  denominator shall  be such current
market  price per share of  Preferred Stock; provided, however,  that in no
event shall the  consideration to be paid upon  the exercise of one Right  be
less than the  aggregate par value  of the shares  of capital stock  of the
Company  to be issued upon  exercise of  one Right.   Such  adjustments shall
be made  successively whenever such a record date is fixed; and in the  event
that such distribution is not so made,  the Purchase Price shall again  be
adjusted to be  the Purchase Price which would then be in effect if such record
date had not been fixed.

               (d) (i)   For the  purpose of any  computation under Section
     11(b) or (c)  hereof, the  "current market  price" per,  or "value"  of a,
     share of  the Common Stock on any  date of determination shall be deemed
     to be  the average of the daily closing prices per share of  such Common
     Stock for the 30  consecutive Trading Days  (as such term  is hereinafter
     defined)  immediately prior to  such date, and for the purpose





                                       29
<PAGE>   22


     of  any computation  in Section 11(a)(ii)  and Section  13, the  "current
     market price" per, or "value" of a, share of  Common Stock on any date
     shall be  deemed to be the  average of the daily  closing prices per
     share of such Common  Stock for  20 consecutive  Trading  Days immediately
     following  such date;  provided, however, that in the  event that the
     current  market price (or value)  per share of the Common  Stock is
     determined during the  period following the announcement by the  issuer of
     such  Common Stock of (A)  a dividend or  distribution on such Common
     Stock payable in  shares of such Common  Stock or securities  convertible
     into  shares of  such  Common Stock,  or (B)  any  sub-division,
     combination  or reclassification  of  such  Common Stock,  and  prior  to
     the  expiration  of 30 Trading Days or 20 Trading Days,  as the case may
     be, after the ex-dividend date for such dividend  or distribution,  or the
     record  date for such  sub-division, combination  or  reclassification,
     then,  and in  each  such case,  the "current market price"  or "value"
     shall be  appropriately adjusted to take  into account ex-dividend
     trading.   The closing  price for  each day shall  be the last  sale
     price, regular  way, or,  in case  no such  sale takes  place on  such
     day,  the average of  the closing  bid and asked  prices, regular way,  in
     either  case as reported  in  the  principal  consolidated  transaction
     reporting  system  with respect  to securities  listed or  admitted to
     trading  on the  New York  Stock Exchange  or, if the shares  of the
     Common  Stock are not listed  or admitted to trading  on  the  New  York
     Stock  Exchange,  as  reported   in  the  principal consolidated
     transaction reporting  system with respect to securities  listed on the
     principal national  securities exchange  on which the  shares of the
     Common Stock are  listed or admitted to trading  or, if the shares  of the
     Common Stock are not listed or  admitted to trading on any national
     securities exchange, the last  quoted price or,  if not so  quoted, the
     average  of the high  bid and low asked  prices  in  the over-the-counter
     market,  as  reported  by the  National Association of  Securities
     Dealers, Inc.  Automated Quotation  System ("NASDAQ") or such  other
     system then  in use, or, if  on any such  date the shares  of the Common
     Stock are  not quoted by  such organization, the  average of the  closing
     bid  and asked  prices as  furnished by  a  professional market  maker
     making  a market in  the Common Stock selected  by the Board  of Directors
     of  the Company (with  the concurrence of  a majority of  the Continuing
     Directors).   If on any such  date no  market maker is  making a  market
     in  the Common  Stock, the fair value of such shares on such date shall be
     as determined in good





                                       30
<PAGE>   23


     faith by  the Board  of Directors,  with the  concurrence of a  majority
     of  the Continuing Directors, if the  Continuing Directors constitute a
     majority  of the Board of Directors, or, in the event the Continuing
     Directors do  not constitute a majority of the Board of Directors,  by an
     independent investment banking firm selected by the Board of  Directors.
     The term "Trading Day" shall mean a day on which the principal  national
     securities exchange on which  the shares of Common Stock are listed or
     admitted to trading is open for  the transaction of business or, if the
     shares of the Common Stock  are not listed or admitted to trading  on any
     national  securities exchange,  a Monday,  Tuesday, Wednesday,  Thursday
     or Friday  on  which  banking  institutions  in  the  State  of  Michigan
     are  not authorized or  obligated by  law or  executive order to  close.
     If the  Common Stock is not publicly  held or not so  listed or traded,
     "current market  price" per  share shall mean the  fair value per  share
     as determined in  good faith by the  Board of Directors,  with the
     concurrence  of a majority  of the Continuing Directors, if the
     Continuing Directors constitute  a majority of  the Board  of Directors,
     or,  in  the  event the  Continuing  Directors  do not  constitute  a
     majority of the Board  of Directors, by  an independent investment banking
     firm selected by the Board of Directors, whose determination shall be
     described  in a statement filed with the Rights Agent and shall be
     conclusive for all purposes.

          (ii) For  the purpose  of any  computation hereunder,  the  "current
     market price" per share  of Preferred Stock shall  be determined in the
     same  manner as set forth above for the Common Stock in clause (i) of this
     Section 11(d) (other than the  last sentence  thereof).   If the current
     market price  per share  of Preferred Stock  cannot be  determined in the
     manner provided  above or if  the Preferred Stock is not  publicly held or
     listed or traded  in a manner described in clause (i)  of this Section
     11(d),  the "current market  price" per share  of Preferred Stock  shall
     be conclusively deemed  to be an amount  equal to 100 (as such  number may
     be appropriately  adjusted for  such  events as  stock splits, stock
     dividends  and   recapitalizations  with  respect  to  the  Common  Stock
     occurring after  the date of  this Agreement) multiplied  by the  current
     market price per  share of  the Common  Stock.   If neither  the Common
     Stock nor  the Preferred Stock is publicly held or so listed or traded,
     "current  market price" per  share of  the  Preferred  Stock shall  mean
     the fair  value  per share  as determined in good faith by the Board of
     Directors





                                       31
<PAGE>   24


     of  the   Company  (with  the  concurrence  of  a  majority  of  the
     Continuing Directors), whose determination  shall be  described in a
     statement filed  with the Rights  Agent and shall be conclusive for all
     purposes.  For all purposes of this Agreement, the  "current market price"
     of  one one-hundredth of a  share of Preferred Stock  shall mean the
     "current market price"  per share of  Preferred Stock divided by 100.

     (e)  No  adjustment  in  the  Purchase  Price  shall  be  required  unless
such adjustment  would require  an increase  or decrease  of at  least 1%  in
such  price; provided, however,  that any adjustments  which by reason  of this
Section  11(e) are not required  to be  made shall  be carried  forward and
taken into  account in  any subsequent adjustment.  All calculations  under
this Section 11 shall be made  to the nearest  cent or  to  the nearest
ten-thousandth  of a  share  as the  case may  be.  Notwithstanding the first
sentence of this Section  11(e), any adjustment required by this Section 11
shall be  made no later than the earlier of (i)  three years from the date of
the transaction  which mandates  such adjustment  or  (ii) the  date of  the
expiration of the right to exercise any Rights.

     (f)  If as a result of  an adjustment made pursuant to Section 11(a), the
holder of any Right  thereafter exercised  shall become entitled  to receive
any shares  of capital stock of  the Company other  than Preferred Stock,
thereafter the number  of such  other shares  so receivable  upon exercise  of
any  Right shall  be subject  to adjustment from  time to  time  in a  manner
and  on terms  as  nearly equivalent  as practicable  to the  provisions with
respect  to the  Preferred  Stock contained  in Section 11(a)  through (p),
inclusive,  and the provisions  of Section 7,  Section 9, Section  10, Section
13, Section 14  and Section  27 with  respect to  the Preferred Stock shall
apply on like terms to any such other shares.

     (g)  All Rights  originally issued by  the Company subsequent  to any
adjustment made to  the Purchase Price  hereunder shall evidence the  right to
purchase,  at the adjusted Purchase  Price, the number  of one one-hundredths
of a share  of Preferred Stock  purchasable from  time  to time  hereunder upon
exercise  of the  Rights, all subject to further adjustment as provided herein.

     (h)  Unless  the  Company  shall have  exercised  its  election  as
provided  in Section  11(i),  upon each  adjustment  of the  Purchase  Price as
a  result of  the calculations made in Section 11(b) and (c), each  Right
outstanding immediately prior to the making of such adjustment shall thereafter
evidence  the right to purchase, at the  adjusted Purchase  Price,  that
number of  one  one-hundredths  of a  share  of Preferred  Stock   (calculated
to  the   nearest  one-millionth)  obtained   by  (i) multiplying (x)





                                       32
<PAGE>   25

the number of one one-hundredths of a share  covered by a Right immediately
prior  to such  adjustment by  (y)  the Purchase  Price  in effect  immediately
prior to  such adjustment of  the Purchase Price  and (ii) dividing  the
product so obtained  by the Purchase Price in effect immediately after such
adjustment of the Purchase Price.

     (i)  The Company  may  elect on  or  after the  date of  any  adjustment
of  the Purchase Price to adjust the  number of Rights, in substitution for any
adjustment in the number of one one-hundredths of  a share of Preferred Stock
purchasable upon  the exercise of  a Right.  Each  of the Rights  outstanding
after such adjustment  of the number of  Rights shall  be exercisable  for the
number of  one one-hundredths of  a share of Preferred Stock for which a Right
was exercisable immediately prior  to such adjustment.  Each  Right held of
record prior  to such adjustment  of the number  of Rights shall  become that
number of Rights (calculated to the nearest ten-thousandth) obtained by
dividing the Purchase Price in  effect immediately prior to adjustment of the
Purchase Price by the Purchase  Price in effect immediately after the
adjustment of the Purchase Price.  The Company shall  make a public
announcement of its election to adjust  the number of Rights, indicating the
record date for the adjustment to be made.  This  record date may be the date
on which the Purchase Price  is adjusted or any day  thereafter, but,  if the
Right  Certificates have  been issued, shall  be at least 10 days later than
the date of the public  announcement.  If Right Certificates have been  issued,
upon  each adjustment  of the  number of  Rights pursuant  to this Section
11(i),  the  Company  shall,  as  promptly  as  practicable,   cause  to  be
distributed to  holders of Right Certificates on  such record date Right
Certificates evidencing, subject to  Section 14, the additional Rights to which
such holders shall be entitled as a result  of such adjustment, or, at the
option of  the Company, shall cause to  be distributed to  such holders of
record in substitution  and replacement for the Right Certificates held by such
holders prior to  the date of adjustment, and upon  surrender   thereof,  if
required  by  the  Company,  new  Right  Certificates evidencing  all the
Rights  to  which such  holders  shall  be entitled  after  such adjustment.
Right  Certificates so to be  distributed shall be issued,  executed and
countersigned in  the manner provided for herein (and  may bear, at the option
of the Company,  the adjusted Purchase  Price) and shall  be registered in  the
names of the holders of record of  Right Certificates on the record  date
specified in the  public announcement.

     (j)  Irrespective of  any adjustment  or change  in the  Purchase  Price
or  the number  of one  one-hundredths  of  a share  of  Preferred  Stock
issuable  upon  the exercise of the Rights, the Right Certificates theretofore
and thereafter issued may continue to express the Purchase Price per one
one-hundredth of





                                       33
<PAGE>   26

a share and the number  of one one-hundredths of a share which were  expressed
in the initial Right Certificates issued hereunder.

     (k)  Before taking  any  action  that would  cause  an adjustment
reducing  the Purchase Price below  one one-hundredth of the then par value,
if any, of a share of Preferred Stock issuable  upon exercise  of the Rights,
the Company  shall take  any corporate  action which may,  in the opinion  of
its  counsel, be necessary  in order that the  Company may  validly and
legally issue  fully paid  and nonassessable  one one-hundredths of a share of
such Preferred Stock at such adjusted Purchase Price.

     (l)  In any case  in which this Section  11 shall require that  an
adjustment in the Purchase Price be made effective as of  a record date for a
specified event,  the Company  may elect to  defer until the  occurrence of
such  event the  issuing to the holder  of  any   Right  exercised  after  such
record  date  the  number   of  one one-hundredths of a  share of Preferred
Stock  and other capital stock  or securities of the Company, if any, issuable
upon such exercise over  and above the number of one one-hundredths of a  share
of Preferred Stock  and other capital stock  or securities of the  Company, if
any, issuable upon  such exercise on  the basis of  the Purchase Price in
effect prior to such adjustment; provided,  however, that the Company shall
deliver to  such holder a  due bill or  other appropriate instrument
evidencing such holder's  right to receive  such additional shares  upon the
occurrence  of the event requiring such adjustment.

     (m)  Anything in this Section  11 to the contrary notwithstanding,  the
Company, acting by  resolution of its Board of Directors  (which resolution
shall be effective only  with the  concurrence of  a majority  of  the
Continuing  Directors), shall  be entitled  to make  such  reductions  in the
Purchase  Price,  in addition  to  those adjustments expressly required by this
Section 11, as and  to the extent that it  in its sole discretion shall
determine to be advisable in order  that any consolidation or subdivision of
Preferred  Stock, issuance wholly for cash of any of  the shares of Preferred
Stock at  less than the current  market price, issuance wholly for  cash of the
Preferred Stock  or securities  which by  their  terms are  convertible into
or exchangeable for Preferred Stock, stock  dividends or issuance of rights,
options  or warrants referred to  hereinabove in this Section  11, hereafter
made by  the Company to holders of its Preferred Stock shall not be taxable to
such shareholders.

     (n)  The Company  covenants and  agrees that,  after the  Distribution
Date,  it will not, except as permitted by Sections 23 and 26 hereof, take (nor
will it  permit any  of its  subsidiaries to  take) any action  if at  the time
such is  taken it is reasonably foreseeable that such action will diminish
substan





                                       34
<PAGE>   27
tially or otherwise  eliminate the benefits  intended to be  afforded by the
Rights, unless such  action is approved  by a majority  of the  Continuing
Directors and  the Continuing Directors constitute a majority of the Board of
Directors. Consolidation and Merger as used in this Section 11(o) shall include
other forms of business combinations, including a ""plan of share exchange as
such other term is used in the Michigan Business Corporation Act.

     (o)  The Company covenants and  agrees that it shall not, at any  time
after the Distribution Date, (i)  consolidate with any other Person (other than
a Subsidiary of the Company in  a transaction which complies  with Section
11(q) hereof),  (ii) merge with  or  into any  other  Person  (other  than a
Subsidiary  of  the  Company in  a transaction which complies  with Section
11(q) hereof), or (iii) sell or transfer (or permit any  of its subsidiaries
to sell or transfer),  in one or  more transactions, assets or earning power
aggregating more  than 50% of the assets or  earning power of the Company and
its Subsidiaries (taken  as a whole) to, any other Person (other than the
Company and/or any of its Subsidiaries in one or  more transactions each of
which complies with Section 11(q) hereof), if (x) at the time of or immediately
after  such consolidation, merger or  sale there are any rights, warrants or
other instruments or securities outstanding  or agreements in effect which
would substantially diminish or otherwise eliminate the benefits intended to
be afforded by the Rights or  (y) prior to,  simultaneously with or immediately
after such consolidation, merger or sale, the shareholders  of  the Person  who
constitutes,  or  would constitute,  the "Principal Party" for  purposes of
Section  13(a) hereof shall  have received a  distribution of Rights previously
owned by such Person or any of its Affiliates and Associates.   The Company
shall not consummate any such consolidation, merger, sale  or transfer unless
prior thereto the Company and such other Person  shall have executed and
delivered to the Rights Agent  a supplemental  agreement evidencing compliance
with this  Section 11(o). Consolidation and Merger as used in this Section
11(o) shall include other forms of business combinations, including a "plan of
share exchange" as such term is used in the Michigan Business Corporation Act.

     (p)  Anything in  this Agreement to  the contrary notwithstanding,  in the
event the Company shall  at any  time after the  date of  this Agreement and
prior to  the Distribution Date (i) declare  or pay any dividend on the Common
Stock of the Company payable in  such Common Stock or (ii)  subdivide the
outstanding Common  Stock of the Company into a  greater number of  shares (by
reclassification  or otherwise than  by payment  of dividends  in such  Common
Stock)  or  (iii) combine  or consolidate  the outstanding Common Stock of the
Company  into a smaller number of shares, then in any such case,  (x)  the
number  of one  one-hundredths  of a  share of  Preferred  Stock purchasable
after such event  upon proper exercise of each Right  shall be determined by
multiplying  the number  of one one-hundredths  of a share  of Preferred  Stock
so purchasable immediately prior to such event by a fraction, the numerator of
which is the number of  shares of Common Stock  of the Company outstanding
immediately before such event and the denominator  of which is the number of
shares of such Common Stock outstanding immediately after





                                       35
<PAGE>   28

such  event and (y) action shall be taken such that each share of Common Stock
of the Company  outstanding immediately after such  event shall have  issued
with respect to it  that number  of  Rights  which  each  share  of  such
Common  Stock  outstanding immediately prior to  such event  had issued with
respect to  it.   The Company  may elect on or  after the date of any
adjustment of  the number of one one-hundredths of a share of  Preferred Stock
purchasable upon  proper exercise of each  Right pursuant to this Section
11(p),  to adjust the Purchase Price.   The adjustments provided  for in  this
Section  11(p)  shall  be made  successively  whenever  such a  dividend  is
declared or paid  or such a  subdivision, combination  or consolidation is
effected.  If  an event occurs  which would  require an  adjustment under
Section  11(a)(ii) and this Section 11(p),  the adjustments provided for  in
this Section 11(p)  shall be in addition and prior to any adjustment required
pursuant to Section 11(a)(ii).

     (q)  The Company  covenants and  agrees that,  after the  Distribution
Date,  it will not, except as  permitted by Section 23, Section  26 or Section
27  hereof, take (or permit any Subsidiary to take) any action if  at the time
such action is taken it is reasonably foreseeable that  such action will
diminish substantially  or otherwise eliminate the benefits intended to be
afforded by the Rights.

     SECTION 12.    CERTIFICATE  OF ADJUSTED  PURCHASE  PRICE  OR NUMBER  OF
SHARES.  Whenever an adjustment is  made as provided in Sections 11  and 13,
the Company shall (a)  promptly  prepare  a certificate  setting  forth  such
adjustment,  and  a brief statement of  the facts accounting  for such
adjustment,  (b) promptly file  with the Rights  Agent and  with each transfer
agent for  the Preferred Stock  and the Common Stock a copy of such certificate
and (c) mail a  brief summary thereof to each holder of a Right Certificate
(or, if prior to the  Distribution Date, to each holder  of a certificate
representing shares  of Common Stock) in accordance with Section 25.  The
Rights Agent shall be  fully protected in relying on any  such certificate and
on any adjustment therein  contained.  Notwithstanding  the foregoing sentence,
the failure of the  Company to make  such certificate or  give such  notice
shall not  affect the validity  or the  force  or effect  of  the requirement
for  such  adjustment.   Any adjustment  to be made pursuant  to Sections 11
and 13 shall be  effective as of the date of the event giving rise to such
adjustment.

     SECTION 13.    CONSOLIDATION, MERGER  OR SALE OR  TRANSFER OF ASSETS  OR
EARNING POWER.    (a)  In  the event  that,  following  the  Distribution
Date, directly  or indirectly, (x)  the Company  shall consolidate  with, or
merge with  and into,  any other Person (other than a Subsidiary of  the
Company in a transaction that  complies with Section 11(q) hereof) and  the
Company shall not be the continuing  or surviving corporation of such





                                       36
<PAGE>   29

consolidation or merger, (y)  any Person (other than a Subsidiary of the
Company in a transaction that  complies with Section  11(q) hereof) shall
consolidate with or merge with and into the  Company, the Company shall  be the
continuing or  surviving corporation of such merger and, in  connection with
such merger, all or part of  the Common Stock shall be changed into or
exchanged  for stock or other securities of any other Person (or  the Company)
or  cash or any  other property, or  (z) the Company  shall sell or otherwise
transfer  (or one  or  more of  its Subsidiaries  shall sell  or  otherwise
transfer), in  one or  more transactions, assets  or earning  power aggregating
more than 50% of  the assets or earning power  of the Company and its
Subsidiaries (taken as a whole)  to any other  Person (other than  the Company
or  any Subsidiary of  the Company  in one  or  more transactions  each  of
which  complies  with Section  11(q) hereof), then, and  in each such  case,
proper  provision shall be  made so that  (i) each holder of a Right,  except
as provided in Section 7(e) hereof,  shall thereafter have the  right to
receive,  upon the exercise  thereof at the  then-current Purchase Price  in
accordance  with the  terms of  this Agreement,  such number  of  shares of
validly issued, fully  paid, non-assessable and freely  tradable Common Stock
of  the Principal Party (as  hereinafter defined), not subject to any rights of
call or first refusal,  as shall  be equal  to  the result  obtained by  (1)
multiplying the  then current Purchase  Price  by the  then  number of  one
one-hundredths  of  a share  of Preferred Stock for which a Right is then
exercisable (or,  if a Triggering Event has occurred prior to the  first
occurrence of an event set  forth in this Section 13(a), multiplying the number
of such one one-thousandths of  a share for which a Right  was exercisable
immediately prior  to the first occurrence  of a Triggering Event  by the
Purchase  Price in effect immediately  prior to such  first occurrence), and
dividing that  product by (2) 50% of the current market price per share of the
Common Stock of such Principal  Party (determined in  the manner described  in
Section 11(d))  on the date  of  consummation of  such  consolidation, merger,
sale or  transfer;  (ii) the Principal Party  shall thereafter be liable for,
and shall  assume, by virtue of such consolidation, merger,  sale  or transfer,
all  the obligations  and  duties of  the Company pursuant  to this  Agreement;
(iii) the  term "Company"  shall thereafter  be deemed  to refer to  such
Principal  Party, it  being specifically intended  that the provisions  of
Section  11 hereof  shall apply  to  such Principal  Party; (iv)  such
Principal  Party  shall  take  such  steps  (including,  but  not   limited
to,  the reservation of a sufficient number of  shares of its Common Stock in
accordance  with Section  9) in connection with such  consummation as may be
necessary to assure that the provisions  hereof shall thereafter  be
applicable,  as nearly as  reasonably may be, in relation  to the shares  of
its Common  Stock thereafter deliverable upon  the exercise of the Rights; and
(v) the  provisions of Section 11(a)(ii) hereof shall  be of no effect
following the  first occurrence of any of the transactions  described in
Section 13(a) hereof.





                                       37
<PAGE>   30

     (b)  "Principal Party" shall mean

          (i)  in  the case of any transaction described  in clause (x) or (y)
     of the first sentence  of Section  13(a), (A)  the Person  that  is the
     issuer of  any securities into  which shares of  Common Stock of  the
     Company are  converted in such  merger or consolidation,  or, if there  is
     more than  one such issuer, the issuer the Common  Stock of which  has the
     greatest  aggregate market value,  or (B)  if  no  securities  are  so
     issued,  (1)  the  Person  that  survives  such consolidation or  is the
     other party to the merger and survives such merger, or, if there is more
     than one such Person, the Person  the Common Stock of which has the
     greatest aggregate market  value or  (2) if  the Person  that is  the
     other party to the  merger does not survive the  merger, the Person that
     does survive the merger (including the Company if it survives); and

          (ii) in the case  of any transaction described  in clause (z) of  the
     first sentence of  Section 13(a), the Person that is  the party receiving
     the greatest portion of the assets or earning power transferred pursuant
     to  such transaction or transactions,  or, if  each Person  that is  a
     party  to such transaction  or transactions  receives the  same  portion
     of  the  assets  or earning  power  so transferred, or if  the Person
     receiving the  greatest portion of the  assets or earning  power cannot be
     determined, the Person  the Common Stock  of which has the greatest
     aggregate market value;

provided, however, that in any such case, (x)  if the Common Stock of such
Person  is not  at such time and  has not been  continuously over the
preceding 12-month period registered under Section 12 of  the Securities
Exchange Act of 1934, and  such Person is  a direct or  indirect subsidiary of
another  Person the Common  Stock of which is and has  been so registered,
"Principal Party" shall refer  to such other Person; (y) in  case such  Person
is a  subsidiary, directly  or  indirectly, of  more than  one Person,  the
Common  Stocks  of all  of  which  are  and  have  been so  registered,
"Principal  Party" shall  refer to  whichever of  such Person  is the  issuer
of  the Common Stock having the greatest market  value of shares held by the
public, and (z) in  case such Person is owned,  directly or indirectly, by a
joint venture formed by two or more Persons that are  not owned, directly or
indirectly, by the same  Person, the rules  set forth  in (x)  and (y)  above
shall  apply to  each of  the chains  of ownership  having  an  interest in
such  joint  venture  as  if such  party  were  a "subsidiary"  of both  or all
of  such joint  venturers and the  Principal Parties in each such chain shall





                                       38
<PAGE>   31

bear the obligations set forth  in this Section 13 in the same ratio  as their
direct or indirect interests in such Person bear to the total of such
interests.

     (c)  The Company  shall not consummate  any such consolidation,  merger,
sale or transfer  unless the  Principal Party  shall have  a sufficient  number
of authorized shares  of its Common  Stock which have not  been issued or
reserved for issuance to permit the  exercise in full  of the Rights  in
accordance with  this Section 13  and unless prior  thereto the Company  and
such Principal  Party shall have  executed and delivered to the  Rights Agent a
supplemental  agreement providing for the  terms set forth in paragraphs  (a)
and (b)  of this Section 13  and further providing  that, as soon as
practicable  after the date  of any consolidation,  merger or sale of  assets
mentioned in paragraph (a) of this Section 13, the Principal Party will

          (i)  prepare and  file a registration statement under the Securities
     Act of 1933, as  amended (the  "Act") with  respect to  the Rights  and
     the  securities purchasable upon exercise  of the Rights  on an
     appropriate  form, will use  its best efforts  to cause such  registration
     statement to become  effective as soon as practicable  after such filing
     and will use its  best efforts to  cause such registration  statement  to
     remain  effective (with  a  prospectus at  all times meeting  the
     requirements  of  the Act)  until  the date  of  expiration of  the
     Rights; and

          (ii) will deliver to holders of  the Rights historical financial
     statements for the Principal Party and each of its Affiliates which comply
     in  all respects with the requirements for  registration on Form 10 under
     the Securities Exchange Act of 1934 (whether or  not the Principal Party
     would otherwise be  required to file such Form).

The provisions  of this  Section 13 shall  similarly apply  to successive
mergers  or consolidations or  sales  or  other  transfers.    In  the  event
that  one  of  the transactions  described in Section  13(a) hereof  shall
occur  at any time  after the occurrence of a  transaction described in Section
11(a)(ii) hereof,  the Rights which have not  theretofore  been  exercised
shall  thereafter  become exercisable  in  the manner described in Section
13(a).

     (d)  Notwithstanding  anything in  this Agreement  to the  contrary,
Section  13 shall not be  applicable to a transaction  described in
subparagraphs (x)  and (y) of Section  13(a) if (i) such  transaction is
consummated  with a Person  or Persons who acquired  shares  of Common  Stock
pursuant  to a  tender or  exchange offer  for all outstanding shares of Common
Stock which





                                       39
<PAGE>   32
complies  with  the provisions  of  Section 11(a)(ii)(B)  hereof  (or a  wholly
owned subsidiary of any such  Person or Persons), (ii) the price per share  of
Common Stock offered in such  transaction is not  less than the  price per
share  of Common  Stock paid to  all holders of shares of  Common Stock whose
shares  were purchased pursuant to such tender  or exchange offer and  (iii)
the form of consideration  being offered to the remaining holders  of shares of
Common  Stock pursuant to such  transaction is the same  as the  form of
consideration paid  pursuant to  such  tender or  exchange offer.  Upon
consummation of any transaction  contemplated by this Section 13(d), all Rights
hereunder shall expire.

     (e) Consolidation and Merger as used in this Section 13 shall include
other forms of business combinations, including a "plan of share exchange" as
such term is used in the Michigan Business Corporation Act. 

     SECTION 14.    FRACTIONAL RIGHTS  AND FRACTIONAL SHARES.   (a) The Company
shall not be required  to issue  fractions of Rights  or to  distribute Right
Certificates which evidence fractional Rights.  In lieu of such  fractional
Rights, there shall be paid to the registered holders  of the Right
Certificates  with regard to which  such fractional  Rights would otherwise be
issuable, an amount in cash  equal to the same fraction of the  current market
value  of a whole  Right.  For  the purposes of  this Section 14(a),  the
current market value of a  whole Right shall be the closing price of  the
Rights for  the Trading  Day immediately  prior  to the  date on  which such
fractional Rights would have been otherwise issuable.  The closing price for
any  day shall be the  last sale price, regular way, or,  in case no such sale
takes place on such  day, the average of  the closing bid  and asked prices,
regular  way, in either case as  reported in  the principal  consolidated
transaction  reporting system  with respect to securities  listed or admitted
to  trading on the New York  Stock Exchange or,  if the  Rights are  not listed
or admitted  to trading  on  the New  York Stock Exchange, as  reported in  the
principal consolidated  transaction reporting  system with respect  to
securities listed on  the principal national securities  exchange on which the
Rights are listed or admitted to  trading or, if the Rights are not  listed or
admitted to  trading on any  national securities exchange,  the last quoted
price or, if  not so  quoted, the  average of  the high  bid and  low asked
prices in  the over-the-counter market, as reported by NASDAQ  or such other
system then in  use or, if on any such date  the Rights are not quoted by any
such  organization, the average of the  closing bid and  asked prices  as
furnished  by a  professional market  maker making a  market in  the Rights
selected  by the  Board of Directors  of the  Company (with  the concurrence of
a majority of the  Continuing Directors).   If on any such date  no such market
maker is making  a market in  the Rights the  fair value of the Rights  on such
date  as determined in  good faith by  the Board of  Directors of the Company
(with the  concurrence of a  majority of the  Continuing Directors) shall  be
used.

     (b)  The Company shall not be required to issue fractions of shares
(other than fractions which are integral multiples of one  one-hundredths of a
share of Preferred Stock)





                                       40
<PAGE>   33

upon exercise  of the Rights or to  distribute certificates which evidence
fractional shares (other than fractions  which are integral multiples of one
one-hundredth of a share  of Preferred  Stock).   Fractions  of shares  of
Preferred Stock  in integral multiples of one  one-hundredth of a share  may,
at the  election of the Company,  be evidenced by  depositary receipts,
pursuant  to an appropriate  agreement between the Company  and a  depositary
selected by  it; provided,  however, that  such agreement shall  provide  that
the  holders  of such  depositary  receipts shall  have  all the rights,
privileges  and preferences to which  they are entitled  as beneficial owners
of  the shares of Preferred Stock  represented by such depositary  receipts.
In lieu of fractional shares that are not integral multiples  of one
one-hundredth of a share of  Preferred  Stock,  the  Company  may pay  to  the
registered  holders  of  Right Certificates at the  time such Right
Certificates are exercised as herein provided an amount in  cash  equal to  the
same fraction  of the  current  market value  of  one one-hundredth of  a share
of  Preferred Stock.   For purposes of  this Section 14(b), the current market
value  of one one-hundredth of a share of Preferred Stock shall be one
one-hundredth of the closing price of  a share of Preferred Stock (as
determined pursuant to Section 11(d)(ii)) for the  Trading Day immediately
prior to the  date of such exercise.

     (c)  Following the occurrence of  a Triggering Event, the  Company shall
not  be required to issue fractions of shares of Common Stock upon exercise of
the Rights  or to distribute  certificates which  evidence fractional  shares
of  Common Stock.   In lieu of  fractional shares  of Common Stock,  the
Company may  pay to  the registered holders  of Rights  Certificates  at the
time such  Rights  are exercised  as herein provided an amount in cash equal to
the same fraction  of the current market value of one (1)  share of  Common
Stock.   For purposes  of this Section  14(c), the  current market  value of
one share of Common Stock shall be the closing price of one share of Common
Stock (as determined pursuant to Section 11(d)(i) hereof) for the  Trading Day
immediately prior to the date of such exercise.

     (d)  The holder of a Right by the acceptance  of the Rights expressly
waives his right to receive any  fractional Rights or any  fractional shares
upon exercise  of a Right.

     SECTION 15.    RIGHTS  OF ACTION.    All rights  of  action in  respect
of this Agreement, except for the  rights of actions given to the Rights  Agent
under Section 18 hereof, are vested in the respective registered holders of the
Right Certificates (and, prior to  the Distribution Date, the  registered
holders of the  Common Stock); and  any registered holder  of any Right
Certificate (or, prior  to the Distribution Date, of the Common Stock), without
the consent of the  Rights Agent or of the holder of any other  Right
Certificate (or, prior  to the Distribution  Date, of the  Common Stock), may,
in his own behalf and





                                       41
<PAGE>   34

for his own  benefit, enforce,  and may institute  and maintain  any suit,
action  or proceeding against the Company to enforce,  or otherwise act in
respect of, his right to exercise the Rights evidenced by such Right
Certificate in the  manner provided in such Right  Certificate and  in this
Agreement and  subject to  the limitations  set forth  in such  Right
Certificates and  in  this Agreement.    Without limiting  the foregoing or any
remedies available  to the holders  of Rights,  it is  specifically
acknowledged that the holders of Rights would not have an adequate remedy at
law  for any  breach of this  Agreement and  will be entitled  to specific
performance  of the obligations under,  and injunctive relief against actual or
threatened violations of, the obligations of any Person subject to this
Agreement.

     SECTION 16.    AGREEMENT  OF  RIGHT  HOLDERS.    Every  holder  of  a
Right  by accepting the same  consents and  agrees with the  Company and the
Rights Agent  and with every other holder of a Right that:

          (a)  prior to the Distribution  Date, the Rights shall be evidenced
     by the certificates  for shares  of the  Common Stock  registered  in the
     name of  the holders  of  such  shares  (which  certificates  shall  also
     constitute  Rights Certificates) and will be transferable  only in
     connection with the  transfer of the Common Stock;

          (b)  after the Distribution  Date, the Right Certificates  are
     transferable only on the registry  books of the Rights Agent if
     surrendered  at the principal office of the  Rights Agent, duly endorsed
     or accompanied by a proper instrument of transfer and with the appropriate
     forms and certificates fully executed; and

          (c)  subject to  Section  6,  Section 7(e)  and  Section 7(f)
     hereof,  the Company  and the Rights Agent  may deem and  treat the Person
     in  whose name the Right Certificate (or,  prior to  the Distribution
     Date,  the associated  Common Stock certificate)  is registered  as  the
     absolute  owner  thereof and  of  the Rights evidenced thereby
     (notwithstanding any notations of ownership or writing on the  Right
     Certificates or  the associated Common  Stock certificate  made by anyone
     other than  the Company or the Rights Agent) for all purposes whatsoever,
     and  neither the Company nor  the Rights Agent, subject  to the last
     sentence of Section 7(e) hereof, shall be affected by any notice to the
     contrary.





                                       42
<PAGE>   35

          (d)  notwithstanding anything  in this Agreement  to the  contrary,
     neither the Company  nor the Rights Agent  shall have any  liability to
     any holder  of a Right or  other Person  as  a result  of its  inability
     to  perform  any of  its obligations  under  this Agreement  by reason  of
     any preliminary  or permanent injunction or  other order,  decree or
     ruling issued  by a  court of  competent jurisdiction  or  by  a
     governmental, regulatory  or  administrative  agency or commission, or any
     statute,  rule, regulation or executive order  promulgated or enacted  by
     any  governmental authority,  prohibiting  or otherwise  restraining
     performance of  such obligation;  provided, however,  the Company  must
     use  its best efforts  to have  any  such order,  decree or  ruling lifted
     or  otherwise overturned as soon as possible.

     SECTION 17.    RIGHT CERTIFICATE HOLDER  NOT DEEMED A  SHAREHOLDER.  No
holder, as such, of any Right Certificate shall be entitled to vote, receive
dividends or  be deemed for any purpose the holder of the  number of one
one-hundredths of a share  of Preferred Stock  or any  other securities  of the
Company  which may  at any time  be issuable  on the  exercise  of the  Rights
represented thereby,  nor shall  anything contained herein or in  any Right
Certificate be construed to confer  upon the holder of any Right Certificate,
as such, any of the rights  of a shareholder of the Company or any right to
vote for the election of  directors or upon any matter  submitted to
shareholders at any meeting thereof, or to give or withhold  consent to any
corporate action, or  to receive  notice of  meetings or  other actions
affecting shareholders (except as provided in  Section 24), or to receive
dividends  or subscription rights, or  otherwise, until the  Right or Rights
evidenced by such  Right Certificate shall have been exercised in accordance
with the provisions hereof.

     SECTION 18.    CONCERNING THE RIGHTS  AGENT.  The Company  agrees to pay
to  the Rights  Agent reasonable compensation for all  services rendered by it
hereunder and, from  time to  time,  on demand  of the  Rights  Agent, its
reasonable expenses  and counsel fees and  other disbursements incurred in the
administration and execution of this  Agreement  and the  exercise  and
performance  of  its duties  hereunder.   The Company  also agrees  to
indemnify  the  Rights Agent  for, and  to hold  it harmless against, any
loss,  liability,  or expense  (including  reasonable expenses  of  the Rights
Agent's  legal  counsel),  incurred without  gross  negligence, bad  faith  or
willful misconduct on the  part of the Rights Agent, for  anything done or
omitted by the  Rights  Agent in  connection  with the  acceptance  and
administration of  this Agreement,  including the  costs  and  expenses of
defending  against any  claim  of liability in the premises, or by reason of or
as a result of the Rights Agent's





                                       43
<PAGE>   36

compliance with the instructions  set forth in this Agreement or  with any
written or oral instructions  delivered to  the Rights  Agent pursuant  hereto.
The costs  and expenses  incurred in enforcing  this right of  indemnification
shall be  paid by the Company.

     The Rights  Agent shall be  protected and  shall incur  no liability  for
or  in respect of  any  action taken,  suffered or  omitted  by it  in
connection with  its administration  of   this  Agreement  in  reliance  upon
any  Right  Certificate  or certificate for the Common Stock or  for other
securities of the Company,  instrument of  assignment  or  transfer,  power  of
attorney,  endorsement,  affidavit,  letter, notice, direction,  consent,
certificate,  statement,  or other  paper  or  document believed  by  it to  be
genuine  and  to be  signed,  executed and,  where necessary, verified or
acknowledged, by the proper person or persons.

     SECTION 19.    MERGER OR CONSOLIDATION  OR CHANGE OF NAME OF RIGHTS
AGENT.  Any corporation  into which the Rights Agent or  any successor Rights
Agent may be merged or with  which it may be consolidated,  or any corporation
resulting  from any merger or consolidation to which the Rights  Agent or any
successor Rights Agent  shall be a party, or  any corporation, succeeding to
the corporate  trust business of the Rights Agent  or any  successor Rights
Agent, shall  be the successor  to the  Rights Agent under this Agreement
without the execution or filing of any paper or any further  act on the  part
of any  of the parties hereto,  provided that such  corporation would be
eligible for appointment as a successor Rights  Agent under the provisions of
Section 21.   In case  at the time  such successor Rights  Agent shall succeed
to the agency created  by  this  Agreement,  any  of   the  Right  Certificates
shall  have   been countersigned  but not  delivered,  any such  successor
Rights  Agent  may adopt  the countersignature of the  predecessor so
countersigned; and  in case at that  time any of the  Right Certificates shall
not have been  countersigned, any successor  Rights Agent may countersign such
Right Certificates either in the name  of the predecessor Rights  Agent or in
the name of  the successor Rights  Agent; and in  all such cases such Right
Certificates shall have the full force provided in the  Right Certificates and
in the Agreement.

     In case at  any time the name of the  Rights Agent shall be changed  and
at such time any of the  Right Certificates shall have been countersigned  but
not delivered, the Rights Agent  may adopt  the countersignature under  its
prior  name and  deliver Right Certificates  so countersigned;  and  in case
at that  time any  of the  Right Certificates shall  not have  been
countersigned,  the Rights  Agent may  countersign such Right Certificates
either in its prior name  or in its changed name; and in  all such cases such
Right Certificates  shall have the full  force provided in the  Right
Certificates and in this Agreement.





                                       44
<PAGE>   37

     SECTION 20.    DUTIES OF RIGHTS AGENT.   The Rights Agent undertakes  the
duties and  obligations imposed by this  Agreement upon the  following terms
and conditions, by all  of  which  the  Company and  the  holders  of Right
Certificates,  by  their acceptance thereof, shall be bound:

          (a)  The Rights Agent  may consult  with legal  counsel (who  may be
     legal counsel  for the Company),  and the opinion  of such  counsel shall
     be  full and complete  authorization and  protection to  the Rights  Agent
     as to  any action taken or omitted by it in good faith and in accordance
     with such opinion.

          (b)  Whenever in the  performance of  its duties under  this
     Agreement  the Rights  Agent shall deem it  necessary or desirable  that
     any fact  or matter be proved or established  by the Company  prior to
     taking  or suffering any  action hereunder,  such fact  or matter  (unless
     other evidence  in respect  thereof be herein specifically  prescribed)
     may  be deemed  to be  conclusively proved  and established by  a
     certificate signed  by any one  of the Chairman of  the Board, the
     President,  any  Vice  President, the  Treasurer  or  the Secretary  of
     the Company and delivered  to the Rights Agent;  and such certificate
     shall  be full authorization to  the Rights  Agent for  any action  taken
     or  suffered in  good faith  by it  under  the provisions  of  this
     Agreement  in  reliance upon  such certificate.

          (c)  The  Rights Agent shall  be liable  hereunder only  for its  own
     gross negligence, bad faith or willful misconduct.

          (d)  The  Rights Agent shall not be  liable for or by reason  of any
     of the statements of  fact or  recitals contained  in this  Agreement or
     in the  Right Certificates (except  its countersignature thereof) or be
     required to verify the same, but all such  statements and recitals are and
     shall be deemed to have been made by the Company only.

          (e)  The Rights Agent  shall not be under any responsibility  in
     respect of the validity of  this Agreement or the execution and delivery
     hereof (except the due execution  hereof by  the Rights  Agent) or  in
     respect  of the  validity or execution of  any Right Certificate  (except
     its countersignature  thereof); nor shall  it be  responsible for  any
     breach by  the Company  of  any covenant  or condition contained in this
     Agreement or in any Right Certificate; nor  shall it be responsible for
     any change in  the exercisability of  the Rights  (including the Rights





                                       45
<PAGE>   38


     becoming void  pursuant to  any provision of  this Agreement);  nor shall
     it  be responsible for any adjustment required under  the provisions of
     Sections 11  or 13 or responsible for  the manner, method  or amount of
     any such adjustment  or the  ascertaining  of  the  existence  of  facts
     that  would  require  any  such adjustment (except  with respect to  the
     exercise of  Rights evidenced by  Right Certificates after actual notice
     of any such  change or adjustment); nor  shall it by any act hereunder be
     deemed to  make any representation or warranty as  to the authorization
     or reservation of any shares of the Common Stock to be issued pursuant to
     this Agreement or any Right Certificate  or as to whether any shares of
     the Common Stock  will, when issued, be validly authorized  and issued,
     fully paid and nonassessable.

          (f)  The  Company agrees  that it  will perform,  execute,
     acknowledge  and deliver or cause to be performed, executed,  acknowledged
     and delivered all such further and  other  acts,  instruments  and
     assurances  as  may  reasonably  be required by  the Rights Agent for the
     carrying out or performing  by the Rights Agent of the provisions of this
     Agreement.

          (g)  The  Rights  Agent  is  hereby  authorized  and  directed   to
     accept instructions with  respect to the performance  of its duties
     hereunder  from any one  of  the  Chairman of  the  Board,  the President,
     any  Vice-President, the Secretary or  the Treasurer of  the Company, and
     to  apply to such  officers for advice  or instructions  in  connection
     with  its duties,  and  it shall  not be liable for any  action taken  or
     suffered to  be taken  by it in  good faith  in accordance with
     instructions of any such officer.

          (h)  The Rights Agent  and any shareholder,  director, officer or
     employee of  the  Rights Agent  may buy,  sell  or deal  in any  of  the
     Rights  or other securities of  the Company or  become pecuniarily
     interested  in any transaction in which the  Company may be interested,
     or contract with or lend  money to the Company or  otherwise act as fully
     and freely as though it were not Rights Agent under this  Agreement.
     Nothing  herein shall  preclude the  Rights Agent  from acting in any
     other capacity for the Company or for any other legal entity.

          (i)  The Rights Agent  may execute and exercise any of the rights or
     powers hereby  vested  in it  or  perform any  duty hereunder  either
     itself or  by or through its attorneys or agents, and the Rights Agent





                                       46
<PAGE>   39


     shall  not  be answerable  or  accountable  for  any  act, default,
     neglect  or misconduct  of any  such  attorneys or  agents or  for any
     loss to  the Company resulting   from  any  such  act,  default,   neglect
     or  misconduct,  provided reasonable  care  was  exercised  in  the
     selection  and  continued  employment thereof.

          (j)  No  provision  of this  Agreement shall  require  the Rights
     Agent to expend or risk its own  funds or otherwise incur any financial
     liability in the performance of  any of its duties hereunder or  in the
     exercise of its rights if there shall be reasonable grounds for believing
     that repayment of such funds or adequate  indemnification  against such
     risk  or  liability  is not  reasonably assured to it.

          (k)  If, with  respect to any  Right Certificate surrendered  to the
     Rights Agent  for  exercise  or transfer,  the  certificate  attached  to
     the  form  of assignment or  form of election to purchase, as  the case
     may be, has either not been  completed  or indicates  an  affirmative
     response to  clause  l  and/or 2 thereof,  the Rights Agent  shall not
     take any  further action with  respect to such requested exercise or
     transfer without first consulting with the Company.

     SECTION 21.    CHANGE OF  RIGHTS  AGENT.   The  Rights  Agent or  any
successor Rights Agent may resign  and be discharged from its duties under
this Agreement upon 30 days' notice in  writing mailed to the Company  and to
each transfer agent  of the Preferred Stock and  Common Stock by  registered or
certified  mail, and the  Company will mail  said notice to the holders of the
Right  Certificates by first class mail.  The Company may remove the Rights
Agent or any successor Rights Agent upon 30  days' notice in writing, mailed to
the Rights Agent or successor Rights Agent, as the  case may  be, and  to  each
transfer  agent of  the Preferred  Stock  and Common  Stock by registered or
certified  mail, and  to  the holders  of  the Right  Certificates  by
first-class mail.  If the Rights Agent shall resign or be removed  or shall
otherwise become incapable  of acting,  the Company  shall appoint  a successor
to the  Rights Agent.   If the  Company shall fail  to make such  appointment
within a  period of 30 days after giving notice of such removal or after it
has been notified in writing of such resignation or incapacity  by the
resigning or incapacitated Rights  Agent or by the holder  of a  Right
Certificate (who  shall, with such  notice, submit  his Right Certificate for
inspection by the Company), then the  registered holder of any Right
Certificate may apply to  any court of competent jurisdiction for  the
appointment of a new  Rights Agent.  Any successor Rights Agent, whether
appointed by the Company or by such a court, shall be a





                                       47
<PAGE>   40

corporation organized and doing business  under the laws of  the United States
or  of any state  of the  United States,  so long as  such corporation  is
authorized to  do business as  a transfer agent  or banking  institution in the
State of Michigan,  in good  standing  under  the  laws  of its  jurisdiction
of  incorporation,  which  is authorized under  such laws  to exercise
corporate trust  powers and  is subject  to supervision or examination by
federal or state authority or which  has at the time of its appointment  as
Rights  Agent a  combined capital  and surplus  of  at least  $50 million.
After appointment,  the successor Rights  Agent shall  be vested with  the same
powers, rights, duties and responsibilities  as if it had been originally
named as Rights Agent without  further act or deed; but the predecessor  Rights
Agent shall deliver and transfer to the successor  Rights Agent any property at
the  time held by it hereunder, and  execute and deliver any further assurance,
conveyance, act or deed necessary  for  the  purpose.    Not  later than  the
effective  date  of  any  such appointment the  Company shall file  notice
thereof  in writing with  the predecessor Rights Agent and  each transfer agent
of  the Preferred Stock  and Common Stock,  and mail  a   notice  thereof  in
writing  to  the   registered  holders  of  the  Right Certificates.  Failure
to give any  notice provided for in this Section  21, however, or any defect
therein,  shall not affect the legality or validity  of the resignation or
removal  of the Rights Agent or the appointment of  the successor Rights Agent,
as the case may be.

     SECTION 22.    ISSUANCE  OF NEW RIGHT CERTIFICATES.   Notwithstanding any
of the provisions of this  Agreement or of the Rights  to the contrary, the
Company  may, at its option, issue  new Right Certificates  evidencing Rights
in  such form as may  be approved  by  its Board  of Directors  to  reflect any
adjustment  or change  in the Purchase  Price  per  share and  the  number or
kind  or class  of  shares  or other securities or  property purchasable under
the Right Certificates  made in accordance with the provisions of this
Agreement.   In addition, in connection with the issuance or sale of shares  of
Common Stock following the  Distribution Date and prior  to the redemption  or
expiration  of  the Rights,  the Company  (a)  shall, with  respect to shares
of Common  Stock so issued or  sold pursuant to the exercise  of stock options
or under any  employee plan or arrangement outstanding, granted  or awarded as
of the Distribution  Date,  or  upon the  exercise,  conversion  or  exchange
of  securities hereinafter issued  by  the Company,  and  (b) may,  in  any
other  case,  if  deemed necessary or  appropriate by  the Board  of Directors
of the  Company, issue  Rights Certificates representing  the appropriate
number  of Rights in  connection with such issuance or sale;  provided,
however, that  (i) no such  Rights Certificate shall  be issued if, and to the
extent that, the Company shall be advised by counsel that  such issuance would
create  a significant risk of material adverse tax consequences to the Company
or the person to whom such Rights





                                       48
<PAGE>   41

Certificate  would be issued, and (ii) no such Rights Certificate shall be
issued, if and to  the extent  that, appropriate adjustment  shall otherwise
have been made  in lieu of the issuance thereof.

     SECTION 23.    REDEMPTION.  (a)  The Board of Directors  of the Company
may,  at its option, at  any time prior to  5:00 P.M., Ann Arbor  time, on the
earlier  of (x) the tenth  business day  following  the Shares  Acquisition
Date,  or (y)  the  Final Expiration Date, redeem all but not less than  all of
the then outstanding Rights  at a redemption price  of $.0025 per Right
appropriately adjusted to reflect  any stock split, stock  dividend or similar
transaction  occurring after the date  hereof (such redemption price  being
hereinafter referred to as the "Redemption Price"), provided, however, that if
such redemption occurs on  or after the Shares Acquisition Date  the Board of
Directors of the  Company shall be entitled to so redeem the  Rights only if
Continuing Directors constitute a  majority of the Board of Directors  at the
time of such redemption  and such  redemption is  approved by  a majority  of
the  Continuing Directors; provided, further, that if such redemption occurs on
or after  the date of a change (resulting from a proxy or  consent solicitation
effected in compliance with applicable law and  the requirements of any
national securities exchange on which the Common Stock of the  Company is
listed) in a  majority of the directors in  office at the  commencement of such
solicitation if any  Person who  is a participant  in such solicitation  has
stated  (or,  if  upon the  commencement  of such  solicitation,  a majority of
the  Board of Directors  has determined in  good faith) that  such Person (or
any  of its Affiliates  or Associates) intends to  take, or may  consider
taking, any action which  would result in such  Person becoming an Acquiring
Person or which would cause  the occurrence  of a  Triggering Event, the  Board
of  Directors of  the Company shall be entitled  to so redeem the  Rights only
if Continuing Directors  who were members  of the Board  of Directors prior  to
the proxy  or consent solicitation referred to above (or subsequently became
a member of the Board  of Directors  and whose nomination for election or
election thereto  was recommended or approved by a majority of the Redemption
Continuing Directors) (the "Redemption Continuing Directors") constitute a
majority  of the Board of Directors at the time of such redemption and such 
redemption is approved by a majority of the Redemption Continuing
Directors; provided, further, however, that if, following  the occurrence  of a
Shares  Acquisition Date and following the expiration of the right of
redemption hereunder but prior to any Triggering Event, each of the following
shall have occurred and remain  in effect:  (i) a Person who is an Acquiring 
Person shall have





                                       49
<PAGE>   42
transferred or  otherwise  disposed  of a  number  of shares  of  Common Stock
in  a transaction, or  series of transactions, which did not result  in the
occurrence of a Triggering Event  such that such  Person is  thereafter a
Beneficial  Owner of 5%  or less of  the outstanding shares  of Common  Stock,
(ii) there  are no  other Persons, immediately following the  occurrence of the
event  described in clause (i),  who are Acquiring Persons,  and (iii) the
transfer or other disposition  described in clause (i) above was other than
pursuant to a transaction, or series of transactions, which directly or
indirectly involved  the Company or  any of  its Subsidiaries; then  the right
of redemption shall be reinstated  and thereafter be subject to the  provisions
of  this Section 23.   Notwithstanding  anything contained  in this Agreement
to the contrary, the Rights shall not be exercisable  pursuant to Section
11(a)(ii) prior to the expiration of  the Company's right of  redemption
pursuant to this  Section 23(a) without regard to the last proviso.

     (b)  During  the  period commencing  at  the  close  of business  on  the
tenth business day following the Shares Acquisition Date and terminating on the
earlier of (x)  the occurrence  of a  Triggering Event and  (y) the  Final
Expiration  Date, the Board of Directors of  the Company may, at its  option,
redeem all  but not  less than all of the then  outstanding Rights at the
Redemption Price, provided that  (i) such redemption is  in connection with the
consummation of an  event set forth  in clause (x) or (y) of Section 13(a),
(ii) no Acquiring Person, and no Affiliate or  Associate of an  Acquiring
Person (other than the Company or its subsidiaries) is a constituent
corporation  to such  event;  and  (iii) such  redemption  is  approved either
by  a majority of the Continuing Directors as being in their judgment in the
best interest of  the  Company and  its  stockholders and  the  Continuing
Directors constitute  a majority of the Board of Directors at the time of such
redemption.

     (c)  Immediately  upon the  action  of the  Board  of Directors  of the
Company ordering the  redemption of the  Rights, and without  any further
action  and without any notice,  the right  to exercise  the Rights  will
terminate and  the only  right thereafter of the  holders of Rights shall  be
to receive the Redemption  Price.  The Company shall promptly give public
notice of  any such redemption; provided, however, that  the failure to  give,
or any  defect in, any  such notice shall  not affect the validity of  such
redemption.   Within 10  days after  the  action of  the Board  of Directors
ordering  the redemption of  the Rights, the  Company shall give  notice of
such redemption to the holders of the then  outstanding Rights by mailing such
notice to all such  holders at their last addresses  as they appear upon the
registry books of the Rights Agent or, prior to the Distribution Date, on the
registry books of  the Transfer Agent for the Common Stock.  Any notice which
is mailed in the





                                       50
<PAGE>   43

manner  herein provided shall be deemed given, whether or not the holder
receives the notice.  Each  such notice of redemption will  state the method by
which  the payment of the Redemption Price will  be made.  Neither the Company
nor any of its Affiliates or Associates may  redeem, acquire or purchase  for
value any  Rights at any time  in any manner other than that specifically  set
forth in this Section 23, and other than in connection with the repurchase of
Common Stock prior to the Distribution Date.

     SECTION 24.    NOTICE OF CERTAIN EVENTS.   In case the Company shall
propose at any time following the Distribution Date (a) to  pay any dividend
payable in stock of any class to the holders of Preferred Stock or to  make any
other distribution to the holders of Preferred  Stock (other than  a regular
periodic  cash dividend at a  rate not in  excess of 125% of  the rate of the
last cash dividend  theretofore paid), or (b)  to offer to the  holders of
Preferred Stock rights  or warrants to subscribe for or  to purchase any
additional  shares of Preferred  Stock or shares of  stock of any class  or 
any  other  securities,  rights  or   options,  or  (c)  to   effect  any
reclassification of  its Preferred  Stock  (other than  a reclassification      
involving only  the  subdivision  of  outstanding  Preferred  Stock),  or  (d)
to  effect  any consolidation, merger or other business combination into or  
with, or to effect any sale or other transfer (or to permit one or more of its
subsidiaries to effect any sale or other transfer), in one or more
transactions, of more than 50% of the assets or earning power of the  Company
and its Subsidiaries (taken  as a whole) to, any  other Person, or (e) to 
effect the liquidation, dissolution or winding up  of the Company, then, in
each  such case, the Company shall  give to  each holder  of a  Right, in 
accordance with  Section 25,  a notice of such proposed action, which shall
specify the record date for  the purposes of such stock dividend, distribution
of  rights or Rights, or the date  on which such reclassification,
consolidation,  merger, business combination, sale,  transfer, liquidation,
dissolution, or winding up is to take place and  the date of participation
therein by the  holders of the Preferred Stock,  if any such date is to be
fixed, and such notice shall be so given  in the case of any  action covered by
clause (a)  or (b) above at least twenty days prior  to the record  date for
determining holders of  the Preferred  Stock for purposes of such action,  and
in the case of  any such other action, at  least twenty days  prior to  the
date of  the  taking of  such  proposed action  or  the date  of participation
therein by the holders of  the Preferred Stock, whichever shall be  the
earlier.

     In case  any of  the events  set forth  in Section  11(a)(ii) of this
Agreement shall  occur,  then, in  any  such case,  the Company  shall  as soon
as practicable thereafter give to each holder of a Right, in accordance with
Section 25, a





                                       51
<PAGE>   44

notice  of the  occurrence  of such  event,  which shall  specify the  event
and the consequences of the event to holders of Rights under Section 11(a)(ii).

     SECTION 25.    NOTICES.  Notices or  demands authorized by this Agreement
to be given or made by the Rights Agent or by the holder  of any Right
Certificate to or on the Company shall be sufficiently given or made if sent by
first-class mail,  postage prepaid, addressed (until another address is filed
in writing with the  Rights Agent) as follows:

     Comshare, Incorporated
     555 Briarwood Circle
     Ann Arbor, MI  48108

Subject to the  provisions of  Section 21, any  notice or  demand authorized by
this Agreement  to be  given  or  made by  the  Company or  by  the  holder of
any  Right Certificate to or on the Rights Agent shall be deemed  given or made
upon receipt and shall be  addressed (until another address is  filed in
writing with  the Company) as follows:

     KeyBank National Association
     15th Floor
     127 Public Square
     Cleveland, OH  44114

     Notices or  demands authorized  by this  Agreement to be  given or  made
by  the Company  or  the  Rights Agent  to  the  holder of  any  Right
Certificate shall  be sufficiently given or  made if sent by  first-class mail,
postage prepaid,  addressed to such holder  at the address of such holder  as
shown on the registry  books of the Company.

     SECTION 26.    SUPPLEMENTS  AND AMENDMENTS.  Prior to  the Distribution
Date and subject  to  the penultimate  sentence  of  this  Section  26, the
Company  may,  by resolution of  its Board  of Directors  (which resolution,
if adopted  following the Shares Acquisition  Date, shall be effective only
with  the concurrence of a majority of the  Continuing  Directors and  only  if
the Continuing  Directors  constitute  a majority of the directors  then in
office) and the Rights Agent shall, if the Company so directs, supplement or
amend any provision of this Agreement without  the approval of any holders of
certificates representing shares  of Common Stock.  From and  after the
Distribution Date and  subject to the  penultimate sentence of  this Section
26, the Company may, by  resolution of its Board of Directors  (which
resolution shall be effective only  with the  concurrence of  the Continuing
Directors and  only if  the Continuing Directors constitute  a majority of the
directors then in office), and the Rights Agent shall,  if the Company  so
directs, supplement  or amend this  Agreement without the





                                       52
<PAGE>   45

approval of any holders of  Rights Certificates in order  (i) to cure any
ambiguity, (ii) to correct or supplement any provisions  contained herein which
may be defective or inconsistent with  any other provisions herein,  (iii) to
shorten or  lengthen any time period hereunder,  or (iv) to change  or
supplement the provisions  hereunder in any manner  which the  Company may deem
necessary or desirable  and which  shall not adversely affect the  interests of
the holders of  Rights (other  than an  Acquiring Person  or an Affiliate  or
Associate  of any  such Person); provided,  however, this Agreement may not  be
supplemented or amended  to lengthen, pursuant to  clause (iii) of  this
sentence, (A) whether before  or after the Distribution  Date, a time period
relating to which the Rights may be redeemed at  such time as the Rights are
not then redeemable, or  (B) after the  Distribution Date, any  other time
period  unless such lengthening  is for the  purpose of protecting,  enhancing
or clarifying   the rights of, and/or the benefits to, the holders of Rights
(other  than an Acquiring Person or an Affiliate or Associate of  any such
Person).   Upon the delivery of a  certificate from an appropriate  officer of
the Company which states that the proposed supplement or amendment  is in
compliance with  the terms of  this Section 26, the  Rights Agent shall execute
such supplement  or amendment.   Prior to  the Distribution Date,  the
interests of the holders  of Rights shall be deemed coincident with  the
interests of the holders of Common Stock.

     SECTION 27.    EXCHANGE.   (a) The Board of  Directors of the Company
(with the concurrence of a  majority of the  Continuing Directors) may,  at its
option,  at any time after any Person  becomes an Acquiring Person, exchange
all or part  of the then outstanding and exercisable Rights  (which shall not
include Rights  that have become void pursuant to  the provisions of Section
7(e)  hereof) for shares of  Common Stock at an exchange ratio of  one share of
Common Stock per Right,  appropriately adjusted to reflect any  stock split,
stock  dividend or similar  transaction occurring  after the date  hereof (such
exchange ratio being hereinafter  referred to as the "Exchange Ratio").
Notwithstanding the foregoing, the Board  of Directors of the Company shall not
be  empowered to effect such  exchange at any  time after any Person  (other
than the Company, any Subsidiary of the Company, any  employee benefit plan of
the Company or of any Subsidiary of the  Company or any Person or entity
organized, appointed or established by  the Company for or pursuant to the
terms  of any such plan), together with all Affiliates  and Associates of such
Person, becomes the Beneficial  Owner of 50% or more of the shares of Common
Stock then outstanding.

     (b)  Immediately  upon the  action  of  the Board  of   Directors
ordering  the exchange of any Rights pursuant to subsection (a) of this Section
27  and without any further





                                       53
<PAGE>   46

action  and without any notice, the right to exercise such Rights shall
terminate and the only right thereafter of a holder of such Rights shall be to
receive that  number of  shares of Common  Stock equal to  the number of  such
Rights held  by such holder multiplied by the Exchange Ratio.   The Company
shall promptly give public  notice of any such  exchange; provided, however,
that the failure to  give, or any  defect in, such  notice shall not  affect
the validity  of such exchange.   The Company promptly shall  mail a notice  of
any such  exchange to all  of the holders  of such Rights at their  last
addresses as  they appear  upon the registry  books of the  Rights Agent.  Any
notice  which is  mailed in the  manner herein  provided shall  be deemed
given, whether or not  the holder receives  the notice.  Each  such notice of
exchange will state the method by which the exchange of the shares of Common
Stock for Rights  will be effected and, in  the event of  any partial exchange,
the  number of Rights  which will  be exchanged.   Any partial exchange  shall
be effected  pro rata  based on the number  of  Rights  (other  than  Rights
which  have  become  void  pursuant  to  the provisions of Section 7(e) hereof)
held by each holder of Rights.

     (c)  In the  event that  there shall not  be sufficient  shares of Common
Stock issued but  not outstanding  or authorized  but unissued  to permit  any
exchange  of Rights as contemplated  in accordance with  this Section 27,  the
Company shall  take all such action as  may be necessary to authorize
additional shares of Common  Stock for issuance  upon exchange of  the Rights.
In the event  the Company shall,  after good  faith effort,  be  unable to
take  all such  action  as  may be  necessary  to authorize such  additional
shares of Common Stock,  the Company shall substitute, for each share  of
Common  Stock  that would  otherwise be  issuable upon  exchange of  a Right,
a number  of shares  of Preferred  Stock or  fraction  thereof such  that the
current per share  market price of  one share of Preferred  Stock multiplied by
such number or  fraction is equal to  the current per share  market price of
one share of Common  Stock as  of  the date  of  issuance of  such  shares of
Preferred Stock  or fraction thereof.

     (d)  The Company shall  not be required to  issue fractions of shares  of
Common Stock or  to  distribute  certificates which  evidence  fractional
shares  of  Common Stock.   In lieu  of such  fractional Common  Shares, the
Company shall  pay to  the registered holders of  the Rights Certificates  with
regard to which  such fractional shares of shares of Common Stock would
otherwise be issuable an amount in cash  equal to the same fraction  of the
current market value  of a whole share of  Common Stock.  For the purposes of
this paragraph (d), the current market  value of a whole share of Common Stock
shall  be the closing  price of a share  of Common Stock  (as determined
pursuant  to the  third  sentence of  Section 11(d)(i)  hereof)  for the
Trading Day immediately prior to the date of exchange pursuant to this Section
27.





                                       54
<PAGE>   47

     SECTION 28.    SUCCESSORS.  All the  covenants and provisions of this
Agreement by or for the benefit of  the Company or the Rights Agent shall bind
and inure to the benefit of their respective successors and assigns hereunder.

     SECTION 29.    DETERMINATIONS AND ACTIONS BY  THE BOARD OF DIRECTORS, ETC.
For all  purposes of this  Agreement, any calculation  of the number  of shares
of Common Stock outstanding at  any particular time, including for  purposes of
determining the particular percentage of such outstanding shares of  Common
Stock of which any Person is  the Beneficial Owner,  shall be  made in
accordance  with the  provisions of Rule 13d-3(d)(1)(i)  of the General  Rules
and  Regulations under  the Exchange Act.   The Board of Directors of  the
Company (and, where specifically provided  for herein, the Continuing
Directors)  shall have  the exclusive  power and  authority to  administer this
Agreement and to  exercise all  rights and  powers specifically granted  to the
Board, or the  Company (or, as expressly  provided, the Continuing Directors),
or as may be  necessary or advisable  in the administration  of this
Agreement, including, without limitation,  the right  and power  to (i)
interpret the  provisions of  this Agreement, and  (ii) make all
determinations deemed necessary  or advisable for  the administration of this
Agreement (including a determination to  redeem or not redeem the  Rights   or
to  amend  the   Agreement).    All   such  actions,  calculations,
interpretations and  determinations (including, for purpose of clause (ii)
below, all omissions with respect to the  foregoing) which are done or made by
the Board (or, as provided  for,  by the  Continuing  Directors) in  good
faith, shall  (i)  be final, conclusive and  binding on the  Company, the
Rights Agent,  the holders of  the Right Certificates and all other parties,
and (ii) not subject the Board or  the Continuing Directors to any liability to
the holders of the Rights Certificates.

     SECTION 30.    BENEFITS OF THIS AGREEMENT.   Nothing in this Agreement
shall be construed to give  to any person or  corporation other than  the
Company, the  Rights Agent  and the  registered  holders of  the  Right
Certificates  (and,  prior to  the Distribution Date, the  Common Stock) any
legal  or equitable right, remedy  or claim under this Agreement; but this
Agreement shall be  for the sole and exclusive benefit of  the  Company,  the
Rights  Agent  and   the  registered  holders  of  the  Right Certificates.

     SECTION 31.    SEVERABILITY.   If any term,  provision, covenant  or
restriction of this Agreement is  held by a court of competent jurisdiction or
other authority to be invalid, void or unenforceable, the remainder  of the
terms, provisions, covenants and restrictions of  this Agreement shall remain
in  full force and effect  and shall in  no  way   be  affected,   impaired  or
invalidated;   provided,  however,   that notwithstanding anything in this
Agreement to the contrary, if any such term,





                                       55
<PAGE>   48
provision,  covenant or restriction is held by such court or authority to be
invalid, void  or  unenforceable  and  the  Board  of  Directors  of  the
Company  (with  the concurrence of a majority of the  Continuing Directors)
determines in its good  faith judgment  that  severing the  invalid language
from  this Agreement  would adversely affect the purpose or effect of  this
Agreement, the right of redemption set forth in Section 23  hereof  shall be
reinstated  and shall  not expire  until  the close  of business on the tenth
business day following the date  of such determination by  the Board  of
Directors.    Without limiting  the  foregoing, if  any  provision of  this
Agreement requiring  that a determination be made by a Board of Directors
composed of a majority of Continuing Directors or by the  Board of Directors
with the concurrence of  a  majority  of  the  Continuing  Directors  is  held
by a  court  of  competent jurisdiction  or   other  authority  to  be
invalid,  void  or  unenforceable,  such determination  shall  then be  made
by the  Board  of Directors  in  accordance with applicable law and the
Company's Articles of Incorporation and Bylaws.

     SECTION 32.    GOVERNING LAW.  This Agreement and each Right Certificate
issued hereunder  shall be  deemed to be  a contract  made under  the laws  of
the  State of Michigan and for all  purposes shall be governed by and construed
in accordance with the laws  of such  State applicable to  contracts to  be
made and  performed entirely within such State.

     SECTION 33.    COUNTERPARTS.   This Agreement may  be executed in  any
number of counterparts and each of such counterparts shall for  all purposes be
deemed to be an original, and all  such counterparts shall together  constitute
but one and  the same instrument.

     SECTION 34.    DESCRIPTIVE  HEADINGS.    Descriptive  headings  of  the
several Sections of this  Agreement are inserted for  convenience only and
shall  not control or affect the meaning or construction of any of the
provisions hereof.

     IN WITNESS WHEREOF,  the parties hereto  have caused this  Agreement to be
duly executed and  their respective corporate seals  to be hereunto affixed
and attested, all as of the day and year first above written.

<TABLE>
<S>                                <C>
Attest:                              COMSHARE, INCORPORATED,
                                     The Company

By  /s/ Janet L. Neary               By /s/ Kathryn A. Jehle
   ---------------------                ---------------------------------
Title: Secretary                     Title:  Senior Vice President, Chief
                                             Financial Officer, Treasurer and 
                                             Assistant Secretary 


Attest:                              KEYBANK NATIONAL ASSOCIATION,
                                     Rights Agent

By  /s/ Laura Krebs                  By  /s/ Kathryn A. Gallagher
   -----------------------------         ----------------------------
Title: Assistant Vice President      Title:  Assistant Vice President
</TABLE>





                                       56
<PAGE>   49


                                   EXHIBIT A

                      FORM OF CERTIFICATE OF AMENDMENT TO
                     ARTICLES OF INCORPORATION DETERMINING
                   THE TERMS OF THE SERIES A PREFERRED STOCK

                                       of

                             COMSHARE, INCORPORATED



     It is certified that:

     FIRST:    That  the name  of  the  corporation  is Comshare,  Incorporated
(the "Corporation").

     SECOND:  The  Corporation identification number (CID) assigned by the
Bureau is: 085-703.

     THIRD:  The location of its registered office is: 30600 Telegraph Road,
Bingham Farms, Michigan  48025.

     FOURTH:  That  pursuant to the authority  conferred upon the Board  of
Directors by the Articles of Incorporation  of said Corporation, the Board of
Directors  of the Corporation on September 12,  1996, duly adopted the
following resolution  creating a series of 200,000  shares of Preferred Stock,
no par value,  designated as Series  A Preferred Stock:

     RESOLVED,  That it  is  hereby declared  to  be in  the  best  interests
of  the Corporation that  the Articles  of Incorporation  of the  Corporation,
as amended  to date, be further  amended to create  a new  series of Preferred
Stock to consist  of 200,000  shares and to be  designated as Series A
Preferred  Stock, no par value, and to determine  the  preferences, limitations
and  relative  rights of  the  Series  A Preferred  Stock  by   adding  the
following  to  Article  V  of  such  Articles  of Incorporation to read as
follows:

     SERIES A PREFERRED STOCK, NO PAR VALUE

     A.    Designation and Amount.  The shares of  such series shall be
designated as "Series A Preferred Stock, no par value," and the number of
shares constituting such series  shall be 200,000.   Such  number of shares
may be increased  or decreased by resolution of the Board  of Directors of the
Corporation; provided,  that no decrease shall reduce the number of shares of
Series  A Preferred Stock to a number less  than the  number of  shares  then
outstanding plus  the  number  of shares  reserved  for issuance upon the
exercise of outstanding options,





                                       57
<PAGE>   50

rights or warrants or upon the conversion of any outstanding securities issued
by the Corporation convertible into Series A Preferred Stock.

     B.   Dividends and Distributions.

          (1)    Subject  to any  prior and  superior rights  of the  holders
of  any series of  Preferred Stock  ranking prior  and superior  to the  shares
of Series  A Preferred Stock with respect to dividends  that may be authorized
by the Articles  of Incorporation, the holders  of shares of Series  A
Preferred Stock shall  be entitled prior to  the payment  of any  dividends on
shares ranking  junior to  the Series  A Preferred Stock  to receive, when, as
and  if declared by the  Board of Directors out of funds legally  available for
the purpose,  quarterly dividends payable in  cash on the last day of January,
April, July and October in each year (each  such date being referred to herein
as  a "Quarterly Dividend Payment Date"), commencing  on the first Quarterly
Dividend Payment Date  after the first issuance of a share or fraction of a
share of  Series A Preferred Stock,  in an amount  per share (rounded to  the
nearest cent)  equal to  the  greater  of (a)  $1.00  or  (b) subject  to  the
provision  for adjustment  hereinafter set forth,  100 times the  aggregate per
share  amount of all cash  dividends, and 100  times the aggregate  per share
amount  (payable in kind) of all  non-cash  dividends or  other distributions
other  than a  dividend  payable in shares  of Common Stock  or a subdivision
of the outstanding shares  of Common Stock (by  reclassification or otherwise),
declared on the  Common Stock, par  value $1.00 per share, of  the Corporation
(the  "Common Stock") since the  immediately preceding Quarterly Dividend
Payment  Date, or,  with respect to  the first Quarterly  Dividend Payment
Date, since the first issuance of any share or  fraction of a share of Series A
Preferred Stock.  In the  event the Corporation shall at  any time after
September 12,  1996 (the "Rights  Declaration Date") (i)  declare any dividend
on Common Stock payable in shares  of Common Stock, (ii)  subdivide the
outstanding Common  Stock, or (iii)  combine the outstanding Common Stock into
a smaller number of shares, then in each such  case the amount  to which
holders  of shares  of Series A  Preferred Stock were entitled  immediately
prior  to such  event under  clause (b)  of the  preceding sentence shall be
adjusted by multiplying such amount by a fraction the numerator  of which is
the  number of  shares of Common  Stock outstanding  immediately after  such
event and the denominator of which is the number of  shares of Common Stock
that were outstanding immediately prior to such event.

          (2)    The  Corporation shall  declare a  dividend or  distribution
on  the Series A  Preferred Stock  as provided in  paragraph (1)  above
immediately after  it declares  a dividend  or  distribution on  the Common
Stock  (other than  a dividend payable in shares of Common Stock); provided
that, in the event no





                                       58
<PAGE>   51

dividend  or distribution shall  have been  declared on  the Common Stock
during the period between  any Quarterly Dividend Payment Date and the next
subsequent Quarterly Dividend Payment Date, a dividend of $1.00 per share on
the Series  A Preferred Stock shall nevertheless be payable on such subsequent
Quarterly Dividend Payment Date.

          (3)  Dividends shall  begin  to accrue  and  be cumulative  on
outstanding shares  of Series A  Preferred Stock  from the  Quarterly Dividend
Payment  Date next preceding the date of  issue of such shares of  Series A
Preferred Stock,  unless the date  of issue of  such shares is  prior to the
record date for  the first Quarterly Dividend Payment Date, in  which case
dividends on such shares shall  begin to accrue from the date  of issue of such
shares, or unless the  date of issue is  a Quarterly Dividend Payment Date or
is a date  after the record date  for the determination  of holders  of  shares
of  Series  A Preferred  Stock  entitled to  receive  a quarterly dividend and
before such  Quarterly Dividend Payment Date, in either  of which events such
dividends shall begin to accrue  and be cumulative from such Quarterly
Dividend Payment Date.  Accrued but unpaid dividends shall not bear interest.
Dividends paid on  the shares of Series A Preferred Stock in an amount less
than the total amount of such dividends  at the time accrued and payable on
such shares shall be allocated pro rata  on a share-by-share basis among  all
such shares at the  time outstanding.  The Board of Directors may fix a  record
date for the determination of holders of  shares of  Series  A   Preferred
Stock  entitled  to  receive  payment  of  a  dividend  or distribution
declared  thereon, which record date shall be no more than 30 days prior to the
date fixed for the payment thereof.

          (4)  Dividends in  full shall  not be  declared or  paid or  set
apart  for payment on the  Series A  Preferred Stock for  a dividend period
terminating on  the Quarterly Dividend Payment Date unless dividends  in full
have been declared or  paid or set  apart for payment  on the Preferred  Stock
of all  series (other than  series with  respect to  which  dividends are  not
cumulative from  a  date prior  to  such dividend  date)  for the  respective
dividend  periods  terminating on  such dividend date.

     C.   Voting  Rights.  The  holders of shares  of Series A  Preferred Stock
shall have the following voting rights:

          (1)  Subject to  the provision for  adjustment hereinafter set
     forth, each share of Series A Preferred Stock shall entitle the holder
     thereof to  100 votes on  all matters voted on  at a meeting  of the
     shareholders  of the Corporation.  In the event  the Corporation  shall at
     any  time after  the Rights  Declaration Date (i)  declare any  dividend
     on Common  Stock payable  in shares  of  Common Stock, or (ii)





                                       59
<PAGE>   52
     subdivide the  outstanding Common Stock, or (iii) combine the outstanding
     Common Stock into a  smaller number of  shares, then in  each such case
     the number  of votes per  share to which  holders of  shares of Series  A
     Preferred  Stock were entitled immediately prior to  such event shall be
     adjusted by  multiplying such number  by a fraction the  numerator of
     which is the  number of shares of Common Stock outstanding immediately
     after such event and the  denominator of which is the number of shares of
     Common Stock  that were outstanding immediately prior to such event.

          (2)  Except as otherwise  provided herein,  in any other  Amendment
     to  the Articles of Incorporation  of the Corporation or  by law, the
     holders  of shares of Series A  Preferred Stock  and the holders  of
     shares of  Common Stock  and any other capital stock of the Corporation
     having general voting rights shall vote together  as one  voting group  
     on all matters voted  on at  a meeting  of shareholders of the Corporation.

          (3)  Except as set  forth herein or by  law, holders of Series  A
     Preferred Stock shall  have  no special  voting  rights and  their
     consent shall  not  be required (except to the extent they are entitled to
     vote with holders of  Common Stock as set forth herein) for taking any
     corporate action.

     D.   Certain Restrictions.

          (1)  Whenever quarterly  dividends  or  other  dividends  or
distributions payable on the  Series A Preferred Stock  as provided in  Section
B. are in  arrears, thereafter and until  all accrued and unpaid dividends and
distributions, whether or not  declared, on shares of Series A Preferred Stock
outstanding shall have been paid in full, the Corporation shall not:

          (a)  declare  or  pay dividends  on, or make  any  other distributions
     on, any shares of  stock ranking  junior  (either as  to dividends  or 
     upon liquidation,  dissolution or winding up) to the Series A Preferred
     Stock;

          (b)  declare or pay  dividends on  or make any  other distributions
     on  any shares  of  stock   ranking  on  a  parity  (either  as  to
     dividends  or  upon liquidation,  dissolution  or winding  up) with  the
     Series A  Preferred Stock, except dividends  paid ratably  on the  Series
     A  Preferred Stock  and all  such parity stock on which dividends  are
     payable or in arrears in proportion  to the total amounts to which the
     holders of all such shares are then entitled;





                                       60
<PAGE>   53

          (c)  redeem or purchase  or otherwise acquire  for consideration
     shares  of any  stock   ranking  junior  (either  as  to  dividends  or
     upon  liquidation, dissolution or winding  up) to the Series  A Preferred
     Stock, provided  that the Corporation may at any time redeem, purchase or
     otherwise acquire shares  of any such  junior stock  in  exchange for
     shares  of any  stock  of the  Corporation ranking  junior  (either as  to
     dividends  or  upon dissolution,  liquidation or winding up) to the Series
     A Preferred Stock;

          (d)  redeem or purchase  or otherwise acquire for consideration  any
     shares of Series A Preferred Stock or any shares of stock  ranking on a
     parity with the Series A  Preferred Stock, except  in accordance with  a
     purchase offer  made in writing or  by publication  (as determined  by the
     Board of  Directors) to  all holders of such shares and the  Series A
     Preferred Stock upon such terms as  the Board of  Directors, after
     consideration of the respective annual dividend rates and other relative
     rights and preferences of  the respective series and classes, shall
     determine in good faith will result in fair and equitable  treatment among
     the respective series or classes.

          (2)  The Corporation  shall not permit any subsidiary of the
Corporation to purchase  or  otherwise  acquire  for  consideration  any
shares  of  stock  of  the Corporation unless  the Corporation  could, under
paragraph (1)  of this Section  D, purchase or otherwise acquire such shares at
such time and in such manner.

     E.   Liquidation, Dissolution or Winding Up.

          (1)  Upon any  liquidation, dissolution or  winding up of  the
Corporation, no distribution  shall be  made to  the  holders of  shares of
stock ranking  junior (either as  to dividends  or  upon liquidation,
dissolution or  winding up)  to  the Series A  Preferred Stock unless,  prior
thereto, the  holders of shares of  Series A Preferred  Stock shall  have
received $100.00  per share,  plus  an amount  equal to accrued  and unpaid
dividends and distributions thereon,  whether or not declared, to the date  of
such  payment (the "Series  A Liquidation  Preference").  Following  the
payment of the  full amount  of the Series  A Liquidation  Preference, no
additional distributions  shall be made  to the  holders of shares  of Series A
Preferred Stock unless, prior thereto, the holders  of shares of Common Stock
shall  have received an amount  per  share  (the  "Common Adjustment")  equal
to  the  quotient  obtained by dividing  (i) the  Series  A Liquidation
Preference by  (ii)  100 (as  appropriately adjusted as set  forth in
subparagraph  (3) below  to reflect such  events as  stocks splits, stock
dividends and recapitalizations





                                       61
<PAGE>   54

with respect  to the  Common  Stock) (such  number in  clause (ii),  the
"Adjustment Number").   Following the  payment of  the full  amount of the
Series A  Liquidation Preference and the Common Adjustment in  respect of all
outstanding shares of  Series A  Preferred Stock  and Common  Stock,
respectively,  holders of  Series A  Preferred Stock  and  holders of  shares
of  Common  Stock  shall receive  their  ratable  and proportionate share of
the remaining assets to  be distributed, with the  holders of Series  A
Preferred Stock entitled to receive an  aggregate per share amount equal to 100
times (as  appropriately adjusted  as set  forth  in subparagraph  (3) below
to reflect  such  events as  stock splits,  stock  dividends and
recapitalizations with respect to  the Common  Stock) the aggregate  amount to
be  distributed per  share to holders of shares of Common Stock.

          (2)  In the  event, however, that there are not sufficient assets
available to  permit payment in full of the Series A Liquidation Preference and
the liquidation preferences of all other  series of Preferred Stock, if  any,
which rank on  a parity with the Series  A Preferred Stock, then  such
remaining assets shall  be distributed ratably to the  holders of such  parity
shares and  the Series A  Preferred Stock  in proportion to their respective
liquidation preferences.

          (3)  In  the  event the  Corporation shall  at  any time  after  the
Rights Declaration  Date (i)  declare  any dividend  on Common  Stock  payable
in  shares of Common Stock,  (ii)  subdivide the  outstanding Common  Stock, or
(iii) combine  the outstanding Common Stock into a smaller number of  shares,
then in each such case the Adjustment Number in  effect immediately  prior to
such  event shall  be adjusted  by multiplying such  Adjustment Number  by  a
fraction  the numerator  of which  is  the number of  shares of Common  Stock
outstanding immediately  after such event  and the denominator of which is the
number of shares of  Common Stock that were  outstanding immediately prior to
such event.

     F.   Merger, Consolidation, etc.  In  case the Corporation shall enter
into any merger, consolidation,  combination  or  other transaction  in  which
the  shares  of Common Stock  are exchanged or  changed into other  stock or
securities,  cash and/or any other property,  then in any  such case  each
share of  Series A Preferred  Stock shall at  the same  time be  similarly
exchanged  or changed in  an amount  per share (subject to the  provision for
adjustment hereinafter  set forth) equal to  100 times the aggregate amount  of
stock, securities, cash  and/or any other  property (payable in kind), as the
case may  be, into which or for which each share  of Common Stock is changed
or exchanged.   In the  event the  Corporation shall  at any time  after the
Rights Declaration Date  (i) declare any dividend  on Common Stock payable  in
shares of Common Stock, (ii) subdivide the outstanding Common Stock, or (iii)
combine





                                       62
<PAGE>   55

the outstanding Common Stock  into a smaller number of shares, then in each
such case the  amount set  forth in  the preceding  sentence with  respect to
the  exchange or change of  shares of Series A  Preferred Stock shall be
adjusted by multiplying such amount by a fraction the  numerator of which is
the number of shares  of Common Stock outstanding immediately after such  event
and the denominator of which  is the number of shares of Common Stock that were
outstanding immediately prior to such event.

     G.   Redemption.    The  shares  of  Series  A  Preferred  Stock  shall
not  be redeemable.

     H.   Ranking.   The Series  A Preferred  Stock shall  rank junior  to all
other series of the Corporation's  Preferred Stock as to the payment of
dividends and other distribution of assets, unless,  in accordance with
authorization in  the Articles of Incorporation, the terms of any such series
shall provide otherwise.

     I.   Reacquired Shares.   Any shares of  Series A Preferred  Stock
purchased  or otherwise acquired by the  Corporation in any manner whatsoever
shall  be retired and cancelled promptly after the acquisition thereof.   All
such shares shall upon  their cancellation become  authorized but  unissued
shares of  preferred stock  and may  be reissued  as part of  a new series of
preferred stock subject  to the conditions and restrictions on issuance  set
forth herein, in  the Articles of Incorporation,  or in any other  Amendment to
the Articles of Incorporation  creating a series of preferred stock or any
similar stock or as otherwise required by law.

     J.   Amendment.  The Articles of Incorporation  of the Corporation shall
not  be further amended in any manner which would alter or  change the powers,
preferences or special  rights of  the  Series A  Preferred  Stock so  as to
affect  them adversely without the  affirmative vote of the holders of a
majority of the outstanding shares of Series A Preferred Stock, voting
separately as one voting group.

     K.   Fractional Shares.  Series A Preferred Stock may be issued in
fractions of a share  which shall entitle  the holder, in  proportion to such
holder's fractional shares,  to exercise voting  rights, receive dividends,
participate in distributions and to have the benefit of all other rights of
holders of Series A Preferred Stock.

     FIFTH:  That  this Amendment to the Articles of Incorporation of the
Corporation was duly adopted by the Board of Directors  of the Corporation on
September 12, 1996, without shareholder action, which shareholder action was
not required.





                                       63
<PAGE>   56

     IN  WITNESS WHEREOF, we  have executed  and subscribed  this Certificate
and do affirm the foregoing as true this 16th day of September, 1996.


                         COMSHARE, INCORPORATED



                         By:  _____________________________
                              Kathryn A. Jehle
                              Senior Vice President,
                              Chief Financial Officer,
                              Treasurer and
                              Assistant Secretary


Attest:


___________________________





                                       64
<PAGE>   57

                                                                       EXHIBIT B

                          [Form of Rights Certificate]


Certificate No. R _________                                    __________ Rights


     NOT EXERCISABLE AFTER SEPTEMBER 16, 2006  OR EARLIER IF NOTICE OF
     REDEMPTION  OR EXCHANGE  IS  GIVEN  OR UPON  THE  CONSUMMATION  OF
     CERTAIN OTHER  TRANSACTIONS SPECIFIED IN  SECTION 13(d) OF THE RIGHTS
     AGREEMENT.   THE RIGHTS ARE SUBJECT TO REDEMPTION, AT  THE OPTION OF THE
     COMPANY, AT $.0025 PER  RIGHT ON THE TERMS SET FORTH IN THE RIGHTS
     AGREEMENT. [THE RIGHTS REPRESENTED BY  THIS CERTIFICATE ARE OR WERE
     BENEFICIALLY OWNED BY A PERSON WHO WAS OR BECAME AN ACQUIRING PERSON  OR
     AN ASSOCIATE  OR AFFILIATE OF AN ACQUIRING PERSON (AS  SUCH TERMS ARE
     DEFINED IN THE  RIGHTS  AGREEMENT).   ACCORDINGLY, THIS  RIGHT
     CERTIFICATE AND  THE RIGHTS REPRESENTED HEREBY  MAY BECOME NULL  AND VOID
     IN THE  CIRCUMSTANCES SPECIFIED IN SECTION 7(e) OF THE RIGHTS AGREEMENT.]*


                               Right Certificate

                             COMSHARE, INCORPORATED


     This certifies that  __________________________, or  registered assigns,
is  the registered owner of the number of Rights set forth above,  each of
which entitles the owner  thereof,  subject  to  the  terms, provisions  and
conditions  of  the Rights Agreement  dated  as of  September  16,  1996  (the
"Rights    Agreement")  between Comshare,  Incorporated, a Michigan corporation
(the "Company"), and KeyBank National Association (the "Rights Agent"), to
purchase from the  Company at any time after the Distribution Date  (as such
term is defined  in the  Rights Agreement) and  prior to 5:00 P.M.  (Ann Arbor,
Michigan time) on  September 16,  2006 at the  office of  the Rights  Agent,
or  its  successors  as  Rights   Agent,  in  Cleveland,  Ohio,  one
one-hundredth of a fully  paid non-assessable share of the Series  A Preferred
Stock, no par value (the "Preferred Stock"),


_______________

*    The portion of the legend in brackets shall be inserted only if
applicable.





                                       65
<PAGE>   58

of the Company, at a purchase price of $110.00 per  one one-hundredth of a
share (the "Purchase Price"), upon  presentation and  surrender of this  Right
Certificate  with the Form of  Election to Purchase duly  executed.  The number
of  Rights evidenced by this  Right Certificate  (and  the  number of  shares
which  may be  purchased  upon exercise thereof) set forth above, and the
Purchase  Price per share set forth above, are  the number and  Purchase Price
as of  September 16, 1996  based on the Preferred Stock of the Company as
constituted at such date.

     Upon  the occurrence  of a  Triggering Event  (as  such term  is defined
in the Rights  Agreement),  if  the   Rights  evidenced  by  this  Rights
Certificate  are beneficially owned by  (i) an Acquiring  Person or an
Affiliate or Associate of  any such  Acquiring Person (as such  terms are
defined  in the Rights  Agreement), (ii) a transferee of  any such  Acquiring
Person,  Associate  or Affiliate,  or (iii)  under certain circumstances
specified in the  Rights Agreement,  a transferee of  a person who, after such
transfer, became an Acquiring  Person, or an Affiliate  or Associate of an
Acquiring Person,  such Rights shall become null and void and  no holder hereof
shall have any  right with respect  to such Rights from  and after the
occurrence of such Triggering Event.

     As provided in the Rights  Agreement, the Purchase Price and the number
and kind of  shares of Preferred  Stock or  other securities which  may be
purchased  upon the exercise  of  the  Rights  evidenced  by  this  Right
Certificate   are  subject  to modification and adjustment upon the happening
of certain events.

     This  Right  Certificate  is  subject  to  all  of  the  terms,
provisions  and conditions of  the  Rights  Agreement, which  terms,
provisions and  conditions  are hereby incorporated herein by reference  and
made a part  hereof and to which  Rights Agreement reference is hereby made for
a full description of the  rights, limitations of rights,  obligations, duties
and  immunities hereunder  of the  Rights Agent,  the Company and  the holders
of the Right  Certificates.  Copies of  the Rights Agreement are on file at the
above-mentioned office of the Rights Agent.

     This  Right  Certificate,  with  or  without  other   Right  Certificates,
upon surrender at the principal office of  the Rights Agent, may be exchanged
for  another Right  Certificate or  Right Certificates of  like tenor  and date
evidencing Rights entitling the holder to  purchase a like aggregate number of
one  one-hundredths of a share of Preferred  Stock as the Rights  evidenced by
the Right  Certificate or Right Certificates surrendered shall have entitled
such holder  to purchase.  If this Right Certificate shall be exercised in
part, the holder shall  be entitled to receive upon surrender hereof another
Right  Certificate or Right  Certificates for the number  of whole Rights not
exercised.





                                       66
<PAGE>   59

     Subject to the provisions of the Rights Agreement, the Rights evidenced
by this Certificate may  be redeemed by the  Company at its  option at a
redemption  price of $.0025 per Right  or may be  called for exchange  for
newly issued  shares of  Common Stock or Preferred Stock.

     No fractional shares of Preferred Stock will be issued upon the exercise
of  any Right or Rights  evidenced hereby (other than fractions  which are
integral multiples of one one-hundredth of a share of Preferred Stock which
may, at the election of  the Company,  be evidenced by  depository receipts),
but  in lieu thereof  a cash payment will be made, as provided in the Rights
Agreement.

     No holder  of  this Right  Certificate  shall be  entitled  to vote  or
receive dividends or be deemed  for any purpose the holder  of the Preferred
Stock or  of any other  securities of the Company  which may at  any time be
issuable  on the exercise hereof, nor shall anything contained in  the Rights
Agreement or herein be  construed to confer upon the holder hereof, as such,
any  of the rights of a stockholder of the Company or  any right  to  vote for
the election  of directors  or  upon any  matter submitted to stockholders at
any meeting thereof, or to give or  withhold consent to any corporate action,
or, to receive notice  of meetings or other  actions affecting stockholders
(except as provided  in the Rights Agreement),  or to receive  dividends or
subscription rights, or  otherwise, until the  Right or Rights  evidenced by
this Right Certificate shall have been exercised as provided in the Rights
Agreement.

     This Right Certificate shall not be valid or obligatory for any  purpose
until it shall have been countersigned by the Rights Agent.

     WITNESS the facsimile  signature of the proper  officers of the Company
and its corporate seal.  Dated as of __________________, 19__.


ATTEST:                                      COMSHARE, INCORPORATED


____________________________                 By __________________________
Secretary                                       Title:


Countersigned:


By _________________________
   Authorized Signature





                                       67
<PAGE>   60

                  [Form of Reverse Side of Right Certificate]

                               FORM OF ASSIGNMENT

                (To be executed by the registered holder if such
              holder desires to transfer the Right Certificates.)

     FOR VALUE RECEIVED ____________________________ hereby sells, assigns and
transfers unto_________________________________________________________________
_______________________________________________________________________________
                (Please print name and address of transferee)

this Right  Certificate, together  with all  right, title  and interest
therein,  and does hereby irrevocably constitute  and appoint _______________
Attorney, to transfer the within  Right Certificate  on the books  of the 
within-named Company, with  full power of substitution.


Dated: ______________, ____

                              _____________________________
                              Signature

Signature Guaranteed:


__________________________________


                                  CERTIFICATE

     The undersigned hereby certifies by checking the appropriate boxes that:

     (1)  the Rights evidenced by this Right Certificate [   ] are  [  ]  are
not being sold,  assigned and transferred  by or on  behalf of a Person  who is
or was  an Acquiring Person  or an Affiliate or  Associate of any such
Acquiring Person (as such terms are defined pursuant to the Rights Agreement);

     (2)  after  due inquiry and  to the best knowledge  of the undersigned,
it [  ] did  [  ]  did not acquire  the Rights evidenced  by this Right
Certificate from any Person who  is, was or  subsequently became  an Acquiring
Person  or an  Affiliate or Associate of an Acquiring Person.


Dated: __________, ____                 _____________________________
                                        Signature





                                       68
<PAGE>   61

                                     NOTICE

     The signature to  the foregoing  Assignment and Certificate  must
correspond  to the name  as written upon  the face  of this Right  Certificate
in  every particular, without alteration or enlargement or any change
whatsoever.





                                       69
<PAGE>   62

                          FORM OF ELECTION TO PURCHASE

                      (To be executed if holder desires to
                        exercise the Rights represented
                           by the Right Certificate.)


To Comshare, Incorporated:

     The  undersigned hereby irrevocably  elects to exercise
_______________________ Rights  represented by  this Right  Certificate to
purchase  the shares  of the  one one-hundredths of  a  share of  Series  A
Preferred  Stock  (or, in  certain  circumstances, a  combination  of  cash,
other  property,  Preferred Stock,  Common  Stock, and/or  other  securities)
upon  the  exercise  of  such  Rights  and  requests  that certificates for
such shares be issued in the name of:

Please insert social security
or other identifying number ____________________________________________________

________________________________________________________________________________
                           (Please print name and address)

________________________________________________________________________________

If such  number  of Rights  shall  not be  all  the Rights  evidenced  by this
Right Certificate, a new Right  Certificate for the balance remaining of  such
Rights shall be registered in the name of and delivered to:

Please insert social security
or other identifying number   _________________________________________________

_______________________________________________________________________________
                       (Please print name and address)

______________________________________________________________________________

Dated: ________________, ____


                                                  ______________________________
                                                  Signature 
                                                  (Signature must conform in all
                                                  respects to name of holder as
                                                  specified on the face of this
                                                  Right Certificate)

Signature Guaranteed:


__________________________________





                                       70
<PAGE>   63

                                  CERTIFICATE


     The undersigned hereby certifies by checking the appropriate boxes that:

     (1)  the Rights evidenced by this Right Certificate [  ] are [   ] are not
being exercised by or  on behalf of a Person who is  or was an Acquiring Person
or an Affiliate or  Associate of any such Acquiring Person (as  such terms are
defined pursuant to the Rights Agreement);

     (2)  after due inquiry  and to the best  knowledge of the  undersigned, it
[   ] did  [  ]  did not acquire  the Rights evidenced  by this Right
Certificate from any Person who is, was or  became an Acquiring Person or an
Affiliate or  Associate of an Acquiring Person.


Dated: ____________, ____
                                                  ______________________________
                                                  Signature



                                     NOTICE


     The  signature  to  the foregoing  Election  to  Purchase  and Certificate
must correspond  to the name as written  upon the face of this  Right
Certificate in every particular, without alteration or enlargement or any
change whatsoever.





                                       71
<PAGE>   64
                                   EXHIBIT C


                         SUMMARY OF RIGHTS TO PURCHASE
                                PREFERRED STOCK



     On September  12, 1996, the  Board of Directors  of Comshare,
Incorporated (the "Company") declared a dividend distribution  of one Right for
each outstanding  share of  Common  Stock, $1.00  par  value  (the "Common
Stock"),  of  the  Company.   The distribution  is payable  to the Company's
shareholders of  record on  September 30, 1996.   Each Right entitles  the
registered holder  to purchase from  the Company one one-hundredth  of a share
of  Series A Preferred Stock, no  par value (the "Preferred Stock")  at a
price  of $110.00  per one  one-hundredth  of a  share (the  "Purchase Price"),
subject  to adjustment.   The description  and terms of  the Rights  are set
forth in a  Rights Agreement (the "Rights Agreement") between the Company and
KeyBank National Association, as Rights Agent (the "Rights Agent").

     Until  the  earlier  to  occur of  (i)  ten  business  days  following a
public announcement  that  a  person  or  group  of  affiliated or  associated
persons  (an "Acquiring Person")  acquired, or obtained the right to acquire,
beneficial ownership of 15%  or more of the  outstanding shares of the  Common
Stock or  (ii) ten business days (or such  later date as may  be determined by
the  Board of Directors, with  the concurrence of a  majority of  the
Continuing Directors,  prior to such  time as  any person becomes an Acquiring
Person) following the commencement  or announcement of an intention  to
commence  a  tender offer  or exchange  offer  by any  person  if, upon
consummation thereof, such person  would be an Acquiring Person (the  earlier
of such dates  being called  the "Distribution  Date"), the  Rights  will be
evidenced, with respect to  any of  the Common  Stock certificates  outstanding
as  of September  30, 1996, by such  Common Stock certificate.   The Rights
Agreement provides  that, until the  Distribution Date, the Rights will be
transferred  with and only with the Common Stock.   Until the  Distribution
Date  (or earlier  redemption, exchange or  expiration of  the Rights), new     
Common Stock certificates issued after September 30, 1996 upon transfer or new
issuance of the Common Stock will  contain a notation incorporating the Rights
Agreement by reference. Until the  Distribution Date  (or  earlier redemption, 
exchange or expiration of the  Rights), the surrender for transfer of any of 
the Common Stock certificates outstanding as  of September  30, 1996 or issued 
thereafter will  also constitute the transfer of  the Rights associated  with 
the Common Stock  represented by such certificate.  As soon as practicable 
following the Distribution





                                       72
<PAGE>   65

Date,  separate  certificates evidencing  the Rights  ("Right Certificates")
will be mailed to holders  of record of the Common Stock  as of the close of
business on the Distribution Date  and  such  separate Right  Certificates
alone will  evidence  the Rights.  Subject to certain adjustments  as may be
required by the  Rights Agreement, the Company will issue  one Right with  each
new share of  Common Stock issued  until the Distribution Date so that all
shares will have attached  Rights.  No person shall be  deemed  to  be  an
Acquiring  Person  on  account  of  shares  of  Common  Stock beneficially
owned  by such  person  on September  16,  1996 unless  thereafter  they become
the  beneficial owner of any additional shares of Common Stock.  A "Continuing
Director"  is  a member  of the  Board  of Directors  of the  Company  who is
not an Acquiring Person  or an affiliated  or associated person  of an
Acquiring  Person and who was a member of  the Board prior to the Share
Acquisition Date (as defined below) or subsequently became  a member of  the
Board and whose  nomination for election  or election to  the Board was
recommended or approved  by a majority  of the Continuing Directors then on the
Board.  At least  two Continuing Directors must approve of,  or concur on, any
action requiring the approval or concurrence of Continuing Directors.

     The Rights are not exercisable until  the Distribution Date, and, if
later,  the expiration  of the Company's right to  redeem the Rights.  The
Rights will expire on September 16, 2006, unless earlier  redeemed or called
for exchange by the Company as described below  or  their  earlier  expiration
upon  the  consummation  of  certain transactions as described below.

     The Preferred Stock will be nonredeemable and will be junior to any  other
class of preferred  stock.  Each share of Preferred Stock will be entitled to
receive when, as and if  declared, a quarterly dividend equal to the  greater
of $1.00 or 100 times the per share  value of  any dividend (other  than stock
dividends) declared on  the Common Stock  since the immediately  preceding
quarterly dividend  payment date.   In the  event of  liquidation, the  holders
of  the  Preferred Stock  generally will  be entitled to receive a liquidation
payment in an  amount equal to $100.00 per share of Preferred  Stock  plus  all
accrued  and  unpaid dividends  thereon,  and,  after the holders  of Common
Stock  have received a  liquidation payment in  an amount equal to $1.00 per
share, holders  of the Preferred Stock and  the Common Stock shall  receive
their  ratable and proportionate  share of  the remaining  assets to  be
distributed, with  the holders  of Preferred  Stock entitled  to  receive an
aggregate per  share amount  equal to  100 times  the  aggregate amount  to be
distributed  per share  to holders of shares  of Common Stock.  Each  share of
Preferred Stock will  be entitled to 100 votes  per share voting together with
the  Common Stock.  In the  event of any merger, consolidation  or other
transaction  in which the Common  Stock is exchanged, each share of Preferred
Stock will





                                       73
<PAGE>   66

be entitled to receive 100 times the amount received per  share of Common
Stock.  The rights of the  Preferred Stock  as to dividends,  voting and
liquidation  preferences are protected by anti-dilution provisions.

     The Purchase Price payable,  and the number of shares of the  Preferred
Stock or other  securities or property  issuable, upon exercise  of the Rights
are subject to adjustment  from time  to  time to  prevent  dilution (i)  in
the event  of a  stock dividend  on,  or a  subdivision, combination  or
reclassification of  the Preferred Stock; (ii)  upon the grant to  holders of
the  Preferred Stock of certain  rights or warrants to subscribe for shares of
the Preferred Stock or convertible  securities at less  than  the current
market  price of  the  Preferred Stock;  or  (iii) upon  the distribution  to
holders of  the  Preferred Stock  of  evidences of  indebtedness or assets
(excluding  regular  periodic cash  dividends  out  of  earnings or  retained
earnings at  a rate  not in  excess of 125%  of the  rate of  the last cash
dividend theretofore  paid or  a  dividend paid  in the  Preferred  Stock) or
of subscription rights or warrants  (other than those referred  to above).
With  certain exceptions, no adjustment  in the Purchase  Price will be
required until cumulative  adjustments require an adjustment of at least 1% in
such Purchase Price.

     Prior to a Triggering  Event, fractional shares of the Preferred  Stock
will not be issued  (other than fractions which  are integral multiples of  one
one-hundredths of a share of  Preferred Stock) and, in lieu  thereof, an
adjustment in cash  will be made equal to the  same fraction of the current
market value of  one one-hundredth of a  share of  Preferred Stock.   Following
the  occurrence of a  Triggering Event, the Company shall  not be required to
issue  fractions of shares of  Common Stock and, in lieu thereof, an adjustment
in cash will be made  equal to the same fraction  of the current market value
of one share of Common Stock.

     In the event that  (i) the Company were the surviving corporation in a
merger or other combination with  an Acquiring Person or affiliated or
associated persons of an Acquiring Person  and its  Common Stock  were not
changed or  exchanged; or (ii)  an Acquiring Person  engages in one of  a
number of self-dealing  transactions specified in the  Rights  Agreement; or
(iii) in  certain circumstances,  an Acquiring  Person becomes the  beneficial
owner  of 15%  or more  of the  outstanding shares  of Common Stock (except
pursuant to a tender or exchange offer for all outstanding shares at  a price
and on  terms  determined by  a majority  of  the Continuing  Directors, after
receiving advice  from an  investment banking  firm selected  by a  majority of
such Continuing Directors, to  be a price  that is fair  to shareholders and
in the  best interests of  the Company and  its shareholders (a  "Permitted
Exception")), or  (iv) during such





                                       74
<PAGE>   67
time as there is an Acquiring Person, there  shall occur certain failures to
pay,  or reductions in, dividends on  outstanding common or preferred stock of
the Company or a recapitalization of  the Company which has  the effect of
increasing  the Acquiring Person's proportionate share  of the outstanding
Common  Stock by more than  1%, then proper provision shall  be made so  that
each  holder of a  Right, other than  Rights that were or  are beneficially
owned by  the Acquiring Person (which  will thereafter be void),  shall
thereafter have the  right to receive  upon exercise that  number of shares of
the Common  Stock (or, in  certain circumstances,  a combination of  cash,
other  property,  Preferred Stock,  Common Stock  and/or  other securities)
having a market  value  of  two  times  the exercise  price  of  the  Right.
Following  the Distribution Date, in  the event (i) that  the Company were
acquired in a merger  or other business combination  transaction in connection
with which the Company  is not the continuing  or surviving  corporation or  in
which  all or a  part of  the Common Stock shall be changed  into or exchanged
for stock or  other securities of any other Person or cash or any other
property (other than certain mergers and  combinations with an Acquiring
Person  who becomes such in a Permitted Exception if  the price per share  of
Common Stock  offered in  such transaction  is no  less than the  price per
share  of Common  Stock paid  to all  holders in  the Permitted  Exception
tender  or exchange offer and  the form of  consideration being offered  in
such transaction  is the  same as  the form  of consideration  paid in the
Permitted Exception  tender or exchange  offer (a  "Permitted  Combination"));
or (ii)  that  50%  or more  of  the Company's assets or earning power  were
sold, then proper provision shall  be made so that each holder  of a Right,
other than  Rights that were or are  beneficially owned by the Acquiring
Person (which will thereafter  be void), shall thereafter  have the right  to
receive, upon the  exercise thereof at  the then current  exercise price of the
Right, that number  of shares of  common stock of the  Acquiring Person which
at the  time of such  transaction would have  a market value  of two  times the
exercise price of the  Right.  Upon the  consummation of a  Permitted
Combination, all  rights shall  expire.   Each  of  the  events  described  in
this  paragraph  constitutes  a "Triggering Event" under the Rights Agreement.

     At any time after any Person  becomes an Acquiring Person but prior  to
the time such  Acquiring Person has acquired 50% or more  of the outstanding
Common Stock, the Board  (with the concurrence  of a  majority of  the
Continuing Directors)  may cause shareholders to exchange all or  part of their
Rights  for shares of Common Stock  or Preferred Stock  at a ratio of  one
share of Common  Stock or one  one-hundredth of a share of Preferred Stock per
Right, subject to adjustment.   As soon as the Board has determined to make
such exchange, the Rights may no longer be exercised.





                                       75
<PAGE>   68
        At any time  prior to  5:00 P.M., Ann  Arbor time, on the tenth  
business day  following the public announcement that a person  or group of
affiliated or associated persons has acquired beneficial ownership of 15%  or
more of the outstanding shares of the  Common Stock of  the Company  (the
"Shares Acquisition  Date"), the Board of Directors of the Company may redeem
the Rights in whole, but not in part, at a price of  $.0025 per  Right  (the
"Redemption  Price");  provided that if such redemption occurs on  or after
the  Shares Acquisition Date  the Board shall  be entitled to  so redeem  the
Rights  only  if such redemption is approved by a majority of  the        
Continuing Directors and the Continuing  Directors constitute a majority of the
Board of Directors; provided, further, that if such redemption occurs  on or 
after the date  of a  change  (resulting  from a proxy or consent solicitation
effected in compliance with applicable law and the requirements of any 
national securities exchange on which  the Common Stock of  the Company is
listed) in a majority of  the directors in office at  the commencement of such
solicitation if  any person who is a participant  in such solicitation  has
stated (or,  if upon the  commencement of such solicitation, a majority of  the
Board  of Directors  has determined in  good faith) that such  person (or any
affiliated or  associated persons) intends to  take, or may consider
taking, any action which would  result in such person becoming an Acquiring
Person or which would cause the  occurrence of a Triggering Event, the Board
shall be entitled  to redeem the Rights  only if such redemption is approved by
a majority of the  Continuing Directors who  were members  of the Board  of
Directors prior to the proxy or consent  solicitation referred to above (or
subsequently became a  member of the Board  of Directors  and whose nomination 
for election  or election  thereto was recommended or approved by a majority of
the Redemption Continuing Directors) (the "Redemption Continuing Directors")
and the Redemption Continuing Directors constitute a majority of the Board of
Directors.  Thereafter, the  Company's right of redemption may be reinstated,
prior to a Triggering  Event, (i) if an Acquiring Person reduces his beneficial
ownership to 5% or less  of the outstanding shares of  Common Stock in a
transaction  or series of transactions not involving  the Company;  and (ii) 
there are  no other  Persons, immediately following the event described in
clause (i), who are Acquiring Persons.  Additionally,  the Board of Directors
may at any  time prior to  the occurrence of a Triggering  Event, redeem the
then outstanding  Rights in whole, but  not in part, at the Redemption Price,
if such redemption is in connection with the consummation of a merger  or other 
business combination involving the  Company but  not involving  an Acquiring 
Person or its Affiliates  or Associates which  is determined to  be in the best
interests of the Company and its





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<PAGE>   69

shareholders by a majority of the Continuing Directors.  Immediately upon  the
action of the Board of  Directors of the Company electing to redeem the
Rights, the Company shall make announcement  thereof, and upon such  election,
the right to  exercise the Rights will terminate and the only right of the
holders  of Rights will be to receive the Redemption Price.

     Until a Right is exercised, the holder thereof, as such, will have no
rights  as a shareholder of the Company, including, without limitation, the
right  to vote or to receive dividends.

     The  Rights Agreement may  be amended without shareholder  approval prior
to the Distribution Date at  the Board of Directors'  discretion (with the
concurrence  of a majority of  the Continuing Directors and only if the
Continuing Directors constitute a  majority of  the directors in  their
office).   After  the Distribution  Date, the Board of Directors  (with the
concurrence of  a majority of the  Continuing Directors and  only if the
Continuing Directors constitute  a majority of the directors then in office)
generally may  amend the Rights Agreement  without the consent of  the Rights
holders  to  cure  any ambiguity,  correct  defects  or  inconsistencies,
shorten  or lengthen time periods  or supplement or  change any other
provision which shall  not adversely  affect  the Rights  holders; provided
that  the lengthening  of  any time period is  for the  purpose of  protecting,
enhancing  or clarifying  the rights  of, and/or for the benefit  of the
holders of the Rights (other than the Acquiring Person and its  affiliated and
associated persons).   However, if the  Rights are  not then redeemable, the
Board may not lengthen a time period relating to when  the Rights may be
redeemed.

     A copy of the  Rights Agreement has been filed with  the Securities and
Exchange Commission as an  Exhibit to a  Registration Statement on  Form 8-A,
dated  September 17,  1996.   A copy of  the Rights  Agreement is  available
free  of charge  from the Company.  This summary description of the Rights
does not purport to be complete and is qualified in  its entirety by reference
to the Rights Agreement, which  is hereby incorporated herein by reference.





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