CRITICARE SYSTEMS INC /DE/
8-A12G, 1997-04-18
ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS
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<PAGE>   1
                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                                    FORM 8-A


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


                           Criticare Systems, Inc.
- --------------------------------------------------------------------------------
             (Exact Name of Registrant as Specified in its Charter)


              Delaware                                  39-1501563
 ----------------------------------------  ------------------------------------
 (State of Incorporation or Organization)  (I.R.S. Employer Identification No.)

        20925 Crossroads Circle
          Waukesha, Wisconsin                              53186
 ----------------------------------------  ------------------------------------
 (Address of Principal Executive Offices)                (Zip Code)


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

     Title of Each Class to be             Name of Each Exchange on Which
           so Registered                   Each Class is to be Registered
     -------------------------          ------------------------------------

            None                                      None
If this Form relates to the             If this Form relates to the 
registration of a class of debt         registration of debt securities and is 
securities and is effective upon        to become effective simultaneously with
filing pursuant to General              the effectiveness of a concurrent
Instruction A(c)(1) please check        registration statement under the  
the following box. [ ]                  Securities Act of 1933 pursuant to
                                        General Instruction A(c)(2) please 
                                        check the following box. [ ]
        

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

                       Preferred Stock Purchase Rights
- --------------------------------------------------------------------------------
                                (Title of class)

                                     
<PAGE>   2
                 INFORMATION REQUIRED IN REGISTRATION STATEMENT


Item 1. Description of Registrant's Securities to be Registered.

     On March 27, 1997, the Board of Directors of Criticare Systems, Inc. (the
"Company") declared a dividend of one preferred share purchase right (a
"Right") for each outstanding share of common stock, par value $.04 per share
(the "Common Shares"), of the Company.  The dividend is payable on April 24,
1997 (the "Record Date") to the stockholders of record on that date.  Each
Right entitles the registered holder to purchase from the Company one
one-hundredth of one Preferred Share of the Company at a price of $25 per one
one-hundredth 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 Firstar Trust Company, as Rights
Agent (the "Rights Agent").

     Initially, the Rights are attached to all certificates representing Common
Shares then outstanding and no separate certificates representing the Rights
will be distributed.  The Rights will separate from the Common Shares upon the
earlier to occur of (i) 10 days following a public announcement that a person
or group of affiliated or associated persons (an "Acquiring Person") has
acquired beneficial ownership of 20% or more of the outstanding Common Shares
or (ii) 10 business days (or such later date as may be determined by action of
the Board of Directors prior to such time as any person or group of affiliated
persons becomes an Acquiring Person) following the commencement of, or
announcement of an intention to make, a tender offer or exchange offer the
consummation of which would result in the beneficial ownership by a person or
group of 30% or more of the outstanding Common Shares (the earlier of such
dates being called the "Distribution Date").

     The Rights Agreement provides that, until the Distribution Date (or
earlier redemption or expiration of the Rights), (i) the Rights will be
transferred with and only with the Common Shares; (ii) new Common Share
certificates issued after the Record Date upon transfer or new issuance of
Common Shares will contain a notation incorporating the Rights Agreement by
reference; and (iii) the surrender for transfer of any certificates for Common
Shares outstanding as of the Record Date, even without such notation, will also
constitute the transfer of the Rights associated with the Common Shares
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 Shares as of
the close of business on the Distribution Date and such separate Right
Certificates alone will evidence the Rights.

                                      2
<PAGE>   3

     The Rights are not exercisable until the Distribution Date.  The Rights
will expire at the close of business on April 1, 2007 (the "Final Expiration
Date"), unless the Final Expiration Date is extended or unless the Rights are
earlier redeemed or exchanged by the Company, in each case, as described below.

     The Purchase Price payable, and the number of one one-hundredths Preferred
Shares 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 Shares, (ii) upon the grant to holders of the Preferred
Shares of certain rights or warrants to subscribe for or purchase Preferred
Shares at a price, or securities convertible into Preferred Shares with a
conversion price, less than the then-current market price of the Preferred
Shares or (iii) upon the distribution to holders of the Preferred Shares of
evidences of indebtedness or assets (excluding regular periodic cash dividends
paid out of earnings or retained earnings or dividends payable in Preferred
Shares) or of subscription rights or warrants (other than those referred to
above).

     With certain exceptions, no adjustment in the Purchase Price would be
required until cumulative adjustments require an adjustment of at least 1% in
such Purchase Price.  The Company is not required to issue any fractional
Preferred Shares and in lieu thereof, an adjustment in cash may be made based
on the market price of the Preferred Shares on the last trading day prior to
the date of exercise.

     If, without the prior approval of a majority of the Disinterested
Directors, (i) the Company is the surviving corporation in a merger with an
Acquiring Person and the Common Shares are not changed or exchanged (a
"Surviving Merger"), (ii) a Person becomes the beneficial owner of more than
30% of the then outstanding Common Shares, (iii) an Acquiring Person engages in
one or more "self-dealing" transactions as set forth in the Rights Agreement,
or (iv) during such time as there is an Acquiring Person, an event occurs which
results in such Acquiring Person's ownership interest being increased by more
than 1% (e.g., a reverse stock split), at any time following the Distribution
Date (but no earlier than the expiration of the redemption period of the
Rights), each holder of a Right will thereafter have the right to receive, upon
exercise, Common Shares (or, in certain circumstances, cash, property or other
securities of the Company) having a value equal to two times the exercise price
of the Right.  Notwithstanding any of the foregoing, following the occurrence
of any of the events set forth in this paragraph, all Rights that are or (under
certain circumstances specified in the 

                                      3
<PAGE>   4

Rights Agreement) were beneficially owned by any Acquiring Person would be 
null and void.

     For example, at an exercise price of $25 per Right, each Right not owned
by an Acquiring Person (or by certain related parties) following an event set
forth in the preceding paragraph would entitle its holder to purchase $50 worth
of Common Shares (or other consideration, as noted above) for $25.  Assuming
that the Common Shares had a per share value of $10 at such time, the holder of
each valid Right would be entitled to purchase five Common Shares for $25.

     If, at any time following the Stock Acquisition Date, (i) the Company is
acquired in a merger or other business combination transaction (other than a
Surviving Merger) or (ii) 50% or more of the Company's assets or earning power
is sold or transferred, each holder of a Right shall thereafter have the right
to receive, upon exercise, common stock of the acquiring company having a value
equal to two times the exercise price of the Right.

     At any time prior to the twentieth day after the acquisition by a person
or group of affiliated or associated persons of beneficial ownership of 20% or
more of the outstanding Common Shares, the Board of Directors of the Company
may redeem the Rights in whole, but not in part, at a price of $.01 per Right
(the "Redemption Price").  The redemption of the Rights may be made effective
at such time on such basis with such conditions as the Board of Directors in
its sole discretion may establish.  Immediately upon any redemption of the
Rights, the right to exercise the Rights will terminate and the only right of
the holders of Rights will be to receive the Redemption Price.

     Other than those provisions relating to the principal economic terms of
the Rights and an amendment lengthening the redemption period of the Rights,
any of the provisions of the Rights Agreement may be amended by the Board of
Directors of the Company prior to the Distribution Date.  After the
Distribution Date, the provisions of the Rights Agreement may be amended by the
Board in order to cure any ambiguity, to make changes which do not adversely
affect the interests of holders of Rights (excluding the interests of any
Acquiring Person), or to shorten or lengthen any time period under the Rights
Agreement; provided, however, that no amendment to lengthen the time period
governing redemption shall be made.

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

                                      4
<PAGE>   5


<TABLE>
<CAPTION>

Exhibit Number       Desription
- --------------  --------------------
<S>             <C>
   99.1         Form of Rights Agreement, dated as of
                March 27, 1997 between Criticare Systems, Inc. 
                and Firstar Trust Company, which
                includes as Exhibit A thereto the Form
                of Rights Certificate.

</TABLE>

                                      5
<PAGE>   6
                                   SIGNATURES

     Pursuant to the requirements of Section 12 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.

                                 CRITICARE SYSTEMS, INC.
Date:  April 17, 1997
                                     BY: /s/ Richard J. Osowski
                                         -------------------------------------
                                         Richard J. Osowski, Senior Vice
                                         President-Finance, Assistant Secretary


                                      6


<PAGE>   1
                                                                    Exhibit 99.1

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

                            CRITICARE SYSTEMS, INC.


                                      and


                             FIRSTAR TRUST COMPANY
                                  Rights Agent


                                Rights Agreement
                           Dated as of March 27, 1997


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

<PAGE>   2
                               TABLE OF CONTENTS


                                                                        Page

     Section 1.   Certain Definitions...................................  2

     Section 2.   Appointment of Rights Agent...........................  7

     Section 3.   Issue of Right Certificates...........................  7

     Section 4.   Form of Right Certificates............................ 11

     Section 5.   Countersignature and Registration..................... 12

     Section 6.   Transfer, Split Up, Combination and Exchange of
                   Right Certificates; Mutilated, Destroyed, Lost or
                   Stolen Right Certificates............................ 13

     Section 7.   Exercise of Rights; Purchase Price;
                   Expiration Date of Rights............................ 14

     Section 8.   Cancellation and Destruction of Right Certificates.... 17

     Section 9.   Availability of Preferred Shares...................... 18

     Section 10.  Preferred Shares Record Date.......................... 19

     Section 11.  Adjustment of Purchase Price, Number of Shares or
                   Number of Rights..................................... 19

     Section 12.  Certificate of Adjusted Purchase Price
                   or Number of Shares.................................. 33

     Section 13.  Consolidation, Merger or Sale or Transfer of Assets
                   or Earning Power..................................... 33

     Section 14.  Fractional Rights and Fractional Shares............... 35

     Section 15.  Rights of Action...................................... 38

                                      i
<PAGE>   3

     Section 16.  Agreement of Right Holders........................... 38

     Section 17.  Right Certificate Holder Not Deemed a Stockholder.... 39

     Section 18.  Concerning the Rights Agent.......................... 40

     Section 19.  Merger or Consolidation or Change of
                   Name of Rights Agent................................ 41

     Section 20.  Duties of Rights Agent............................... 43

     Section 21.  Change of Rights Agent............................... 47

     Section 22.  Issuance of New Right Certificates................... 49

     Section 23.  Redemption........................................... 49

     Section 24.  Exchange............................................. 51

     Section 25.  Notice of Certain Events............................. 53

     Section 26.  Notices.............................................. 55

     Section 27.  Supplements and Amendments........................... 56

     Section 28.  Successors........................................... 57

     Section 29.  Benefits of this Agreement........................... 57

     Section 30.  Severability......................................... 57

     Section 31.  Governing Law........................................ 58

     Section 32.  Counterparts......................................... 58

     Section 33.  Descriptive Headings................................. 58

     Signatures........................................................ 59

     Exhibit A - Form of Right Certificate
 
     Exhibit B - Summary of Rights to Purchase Preferred Shares

                                     ii


<PAGE>   4

                                RIGHTS AGREEMENT

     Agreement, dated as of March 27, 1997, between CRITICARE SYSTEMS, INC., a
Delaware corporation (the "Company"), and FIRSTAR TRUST COMPANY (the "Rights
Agent").

     The Board of Directors of the Company has authorized and declared a
dividend of one preferred stock share purchase right (a "Right") for each
Common Share (as hereinafter defined) of the Company outstanding on April 24,
1997 (the "Record Date"), each Right representing the right to purchase
one-hundredth of one share of the Company's Preferred Stock (the "Preferred
Shares"), upon the terms and subject to the conditions herein set forth, and
has further authorized and directed the issuance of one Right with respect to
each Common Share that shall become outstanding between the Record Date and the
earliest of the Distribution Date, the Redemption Date and the Final Expiration
Date (as such terms are hereinafter defined).

     Accordingly, 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) which, together with all Affiliates and Associates (as such terms are
hereinafter defined) of such Person, shall be the Beneficial Owner (as such
term is hereinafter defined) of 20% or more of the Common Shares of the 


<PAGE>   5

Company then outstanding, but shall not include the Company, any Subsidiary (as
such term is hereinafter defined) of the Company, any employee benefit plan of
the Company or any Subsidiary of the Company, or any entity holding Common
Shares for or pursuant to the terms of any such plan.  Notwithstanding the
foregoing, no Person shall become an "Acquiring Person" as the result of an
acquisition of Common Shares by the Company which, by reducing the number of
shares outstanding, increases the proportionate number of shares beneficially
owned by such Person to 20% or more of the Common Shares of the Company then
outstanding; provided, however, that if a Person shall become the Beneficial    
Owner of 20% or more of the Common Shares of the Company 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 Common Shares of
the Company, 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 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;

         (ii) which such Person or any of such Person's Affiliates or Associates
has (A) the right to acquire (whether such right is 

                                      2

<PAGE>   6

exercisable immediately or only after the passage of time) pursuant to any
agreement, arrangement or understanding (other than customary agreements with
and between underwriters and selling group members with respect to a bona fide
public offering of securities), or upon the exercise of conversion rights,
exchange rights, rights (other than these Rights), warrants or options, or
otherwise; provided, however, that a Person shall not be deemed the Beneficial
Owner of, or to beneficially own, 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 (B) the right to vote pursuant to any agreement,
arrangement or understanding; provided, however, that a Person shall not be
deemed the Beneficial Owner of, or to beneficially own, any security if the
agreement, arrangement or understanding to vote such security (1) arises solely
from a revocable proxy or consent given to such Person in response to a public
proxy or consent solicitation made pursuant to, and in accordance with, the
applicable rules and regulations promulgated under the Exchange Act and (2) is
not also then reportable 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 (other than customary
agreements with and between underwriters and selling group members with respect
to a bona fide public offering of securities) for the purpose of acquiring,
holding, voting (except to the extent contemplated by the proviso to Section
1(c)(ii)(B)) or disposing of any securities of the Company.

                                      3

<PAGE>   7

     Notwithstanding anything in this definition of Beneficial Ownership to the
contrary, the phrase "then outstanding," when used with reference to a Person's
Beneficial Ownership of securities of the Company, 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, a Sunday, or
a day on which banking institutions in New York 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., Milwaukee,
Wisconsin time, on such date; provided, however, that if such date is not a
Business Day it shall mean 5:00 P.M., Milwaukee, Wisconsin time, on the next
succeeding Business Day.

     (f) "Common Shares" when used with reference to the Company shall mean the
shares of common stock, par value $.04 per share, of the Company.  "Common
Shares" when used with reference to any Person other than the Company shall
mean the capital stock (or equity interest) with the greatest voting power of
such other Person or, if such other Person is a Subsidiary of another Person,
the Person or Persons which ultimately control such first-mentioned Person.

     (g) "Disinterested Director" shall mean any member of the Company's Board
of Directors who is not an employee of the Company or any of its Subsidiaries
or is unaffiliated with the Acquiring Person or any of its Affiliates or
Associates and was a member of the Company's Board of Directors prior to the

                                      4
<PAGE>   8

time that the Acquiring Person became an Acquiring Person and any successor of
a Disinterested Director who is not an officer or employee of the Company or
any of its Subsidiaries and is unaffiliated with the Acquiring Person or any of
its Affiliates or Associates and is recommended to succeed a Disinterested
Director by a majority of the Disinterested Directors then on the Company's
Board of Directors.

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

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

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

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

     (l) "Section 11(a)(ii) Event" shall mean any event described in section
11(a)(ii)[a], [b] or [c] hereof.

     (m) "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.

                                      5

<PAGE>   9

     (n) "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.

     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 Section 3 hereof, shall prior to the Distribution Date
also be the holders of the Common Shares) 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 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 prior
to such time as any Person becomes an Acquiring Person) after the date of the
commencement by 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 entity holding Common Shares for or pursuant to the terms of any
such plan) of, or of the first public announcement of the intention of 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 entity
holding Common Shares for or pursuant to the terms of any such plan) to
commence, a tender or exchange offer the consummation of which would result in
any Person becoming the Beneficial Owner of Common Shares aggregating 30% or
more of the then outstanding Common Shares (including any such date which is
after the date of this Agreement and prior to the issuance of the Rights; the
earlier 

                                      6

<PAGE>   10

of such dates being herein referred to as the "Distribution Date"), (x)
the Rights will be evidenced (subject to the provisions of Section 3(b) hereof)
by the certificates for Common Shares registered in the names of the holders
thereof (which certificates shall also be deemed 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
Common Shares.  As soon as practicable after the Distribution Date, the Company
will prepare and execute, the Rights Agent will countersign, and the Company
will send or cause to be sent (and the Rights Agent will, if requested, send)
by first-class, insured, postage prepaid mail, to each record holder of Common
Shares 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 A hereto (a "Right Certificate"), evidencing
one Right for each Common Share so held.  As of the Distribution Date, the
Rights will be evidenced solely by such Right Certificates.

     (b) On the Record Date, or as soon as practicable thereafter, the Company
will send (or cause to be sent) a copy of a Summary of Rights to Purchase
Common Shares, in substantially the form of Exhibit B hereto (the "Summary of
Rights"), by first-class, postage-prepaid mail, to each record holder of Common
Shares 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
Common Shares outstanding as of the Record Date, until the Distribution Date,
the Rights will be evidenced by such certificates registered in the names of
the holders thereof together with a copy of the Summary of Rights attached
thereto.  Until the Distribution Date (or the earlier of the Redemption Date or
the Final Expiration Date), the surrender for transfer of any certificate for

                                      7

<PAGE>   11

Common Shares outstanding on the Record Date, with or without a copy of the
Summary of Rights attached thereto, shall also constitute the transfer of the
Rights associated with the Common Shares represented thereby.

     (c) Certificates for Common Shares which become outstanding (including,
without limitation, reacquired Common Shares referred to in the last sentence
of this paragraph (c)) after the Record Date but prior to the earliest of the
Distribution Date, the Redemption Date or the Final Expiration Date shall bear
the following legend:

      This certificate also evidences and entitles the holder hereof to
      certain rights as set forth in a Rights Agreement between
      Criticare Systems, Inc. and Firstar Trust Company, dated as of
      March 27, 1997 (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 Criticare Systems, Inc.
      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.  Criticare
      Systems, Inc. will mail to the holder of this certificate a copy
      of the Rights Agreement without charge after receipt of a written
      request therefor.  As described in the Rights Agreement, Rights
      issued to any Person who becomes an Acquiring Person (as defined
      in the Rights Agreement) shall become null and void.

With respect to such certificates containing the foregoing legend, until the
Distribution Date, the Rights associated with the Common Shares represented by
such certificates shall be evidenced by such certificates alone, and the
surrender for transfer of any such certificate shall also constitute the
transfer of the Rights associated with the Common Shares represented thereby.
In the event that the Company purchases or acquires any Common Shares after the
Record Date but prior to the Distribution Date, any Rights associated with such
Common Shares 

                                      8


<PAGE>   12

shall be deemed cancelled and retired so that the Company shall not be entitled
to exercise any Rights associated with the Common Shares which are no longer
outstanding.

     Section 4.  Form of Right Certificates.  The Right Certificates (and the
forms of election to purchase one one-hundredth Preferred Shares and of
assignment to be printed on the reverse thereof) shall be substantially the
same as Exhibit A 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 shall entitle the holders thereof to purchase such number of one
one-hundredth Preferred Shares as shall be set forth therein at the price per
one one-hundredth Preferred Share set forth therein (the "Purchase Price"), but
the number of such one one-hundredth Preferred Shares and the Purchase Price
shall be subject to adjustment as provided herein.

     Section 5.  Countersignature and Registration.  The Right Certificates
shall be executed on behalf of the Company by its Chairman of the Board, its
Chief Executive Officer, its President, any of its Vice Presidents, or its
Treasurer, either manually or by facsimile signature, and shall be attested by
the Secretary or an Assistant Secretary of the Company, either manually or by
facsimile signature.  The Right Certificates shall be manually countersigned by
the Rights Agent and shall not be valid for any purpose unless countersigned.
In case 

                                      9

<PAGE>   13

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 by the Company 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 14 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 Redemption Date or the Final Expiration Date, any Right
Certificate or Right Certificates (other than Right Certificates representing
Rights that have become void pursuant to Section 11(a)(ii) 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-hundredth Preferred Shares 

                                     10
<PAGE>   14

as the Right Certificate or Right Certificates surrendered then entitled
such holder to purchase.  Any registered holder desiring to transfer, split up,
combine or exchange any Right Certificate or Right Certificates 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.  Thereupon the Rights
Agent shall 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 holder in lieu of the Right Certificate so lost, stolen, destroyed
or mutilated.

     Section 7.  Exercise of Rights; Purchase Price; Expiration Date of Rights.

     (a)  The registered holder of any Right Certificate may exercise the
Rights evidenced thereby (except as otherwise provided herein) in 

                                     11

<PAGE>   15

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 Purchase Price for each one
one-hundredth Preferred Share as to which the Rights are exercised, at or prior
to the earliest of (i) the close of business on March 27, 2007 (the "Final
Expiration Date"), or (ii) the time at which the Rights are redeemed as
provided in Section 23 hereof (the "Redemption Date").

     (b) The Purchase Price for each one one-hundredth Preferred Share
purchasable pursuant to the exercise of a Right shall initially be $25, 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 duly executed, accompanied by payment of
the Purchase Price for the number of one one-hundredth Preferred Shares to be
purchased and an amount equal to any applicable transfer tax required to be
paid by the holder of such Right Certificate in accordance with Section 9
hereof by certified check, cashier's check or money order payable to the order
of the Company, the Rights Agent shall thereupon promptly (i) requisition from
any transfer agent of the Preferred Shares certificates for the number of one
one-hundredth Preferred Shares to be purchased and the Company hereby
irrevocably authorizes its transfer agent to comply with all such requests,
(ii) 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

                                     12

<PAGE>   16

hereof, (iii) after receipt of such certificates, 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 (iv) when appropriate, after receipt, deliver such cash to or upon
the order of the registered holder of such Right Certificate.

     (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.

     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 Rights 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.

                                     13

<PAGE>   17

     Section 9.  Availability of Preferred Shares.  The Company covenants and
agrees that it will take all such action as may be necessary to ensure that all
Preferred Shares delivered upon exercise of Rights shall, at the time of
delivery of the certificates for such Preferred Shares (subject to payment of
the Purchase Price), be duly and validly authorized and issued and fully paid
and nonassessable shares.

     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 Preferred Shares upon the exercise of Rights.  The Company shall not,
however, be required to pay any transfer tax which may be payable in respect of
any transfer or delivery of Right Certificates to a person other than, or the
issuance or delivery of certificates or depositary receipts for the Preferred
Shares in a name other than that of, the registered holder of the Right
Certificate evidencing Rights surrendered for exercise or to issue or to
deliver any certificates for Preferred Shares 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 reasonable satisfaction that no such tax is due.

     Section 10.  Preferred Shares Record Date.  Each person in whose name any
certificate for Preferred Shares is issued upon the exercise of Rights shall
for all purposes be deemed to have become the holder of record of the Preferred
Shares 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) 

                                     14
<PAGE>   18

was made; provided, however, that if the date of such surrender and payment is
a date upon which the Preferred Shares transfer books of the Company are
closed, such person shall be deemed to have become the record holder of such
shares on, and  such certificate shall be dated, the next succeeding Business
Day on which the Preferred Shares 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 holder of Preferred 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 one one-hundredth Preferred 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 Shares payable in Preferred
Shares, (B) subdivide the outstanding Preferred Shares, (C) combine the
outstanding Preferred Shares into a smaller number of Preferred Shares or (D)
issue any shares of its capital stock in a reclassification of the Preferred
Shares (including any such reclassification in connection with a consolidation
or merger in which the Company is the continuing or surviving corporation),
except as otherwise provided in this Section 11(a), 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 capital stock issuable on such date, shall be proportionately
adjusted so that the holder of any 

                                     15


<PAGE>   19

Right exercised after such time shall be entitled to receive the
aggregate number and kind of shares of capital stock which, if such Right had
been exercised immediately prior to such date and at a time when the Preferred
Shares 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; 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.

     (ii) If

          [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, without the prior approval of a majority of the Disinterested 
Directors, shall

              [i] merge into the Company or otherwise combine with the Company,
the Company shall be the continuing or surviving corporation of such merger or
combination, and the Common Shares shall remain outstanding and shall not be
changed or exchanged,

              [ii] in one or more transactions, transfer any assets to the 
Company in exchange (in whole or in part) for Common Shares or for securities 
exercisable for or convertible into Common Shares or otherwise obtain from the
Company, with or without consideration, any additional Common Shares or 
securities exercisable or convertible into Common Shares (other than as part of
a pro rata distribution to all holders of Common Shares),


                                     16

<PAGE>   20

     [iii] sell, purchase, lease, exchange, mortgage, pledge, transfer or
otherwise dispose (in one transaction or a series of transactions) to, from or
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,

     [iv] sell, purchase, lease, exchange, mortgage, pledge, transfer or
otherwise acquire or dispose of in one transaction or a series of transactions
to, from or with (as the case may be) the Company or any of the Company's
Subsidiaries other than incidental to the lines of business, if any, engaged in
as of the date hereof between the Company and such Acquiring Person or
Associate or Affiliate assets having an aggregate fair market value of more
than $1,000,000, other than pursuant to a transaction described in section 13
hereof,

     [v] 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

     [vi] receive the benefit, directly or indirectly (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

                                     17

<PAGE>   21

     [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, without the prior approval of a majority of the
Disinterested Directors, at any time after the Record Date, become the
Beneficial Owner of 30% or more of the shares of Common Stock then outstanding,
other than pursuant to any transaction set forth in section 13(a) hereof, or

     [c] during such time as there is an Acquiring Person, there shall be,
without the prior approval of a majority of the Disinterested Directors, 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
involving the Company or any of its Subsidiaries, other than a transaction or
transactions to which the provisions of section 13(a) apply (whether or not
into or otherwise involving an Acquiring Person) which has the effect, directly
or indirectly, or increasing by more than 1% the proportionate share of the
outstanding shares of any class of equity securities or securities exercisable
for or convertible into Common Shares which is directly or indirectly owned by
any Acquiring Person or any Associate or Affiliate of any Acquiring Person,
then, within five 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 below and in section
7(e) hereof) shall thereafter have the right to receive, upon exercise thereof
at the then current Purchase Price in accordance with the terms of this
Agreement, in lieu of Preferred 


                                     18


<PAGE>   22

Shares, such number of Common Shares as shall equal the result obtained by
(x) multiplying the then current Purchase Price by the then number of one
one-hundredths Preferred Shares for which a Right was exercisable immediately
prior to the first occurrence of a Section 11(a)(ii) Event and dividing that
product (which, following such first occurrence, shall thereafter be referred
to as the "Purchase Price" for each Right and for all purposes of this
Agreement) by (y) 50% of the current market price (determined pursuant to
section 11(d) hereof) per Common Share on the date of such first occurrence
(such number of shares, the "Adjustment Shares").

     (iii) If the number of Common Shares which are authorized by the Company's
Certificate of Incorporation, but not outstanding or reserved for issuance for
purposes other than upon exercise of the Rights, are not sufficient to permit
the exercise in full of the Rights in accordance with the foregoing
subparagraph (ii) of this section 11(a), the Company shall:

           [a] determine the excess of [i] the value of the Adjustment Shares
issuable upon the exercise of a Right (the "Current Value") over [ii] the
Purchase Price (such excess, the "Spread") and

           [b] with respect to each Right, make adequate provision to 
substitute for the Adjustment Shares, upon payment of the applicable Purchase 
Price, [i] cash, [ii] a reduction in the Purchase Price, [iii] equity 
securities of the Company (including, without limitation, Preferred Shares, or
units of Preferred Shares, which the Board of Directors of the Company has 
deemed to have the same value as Common Shares (such Preferred Shares, "Common
Stock Equivalents")), [iv] debt securities of the Company, [v] other 

                                     19
<PAGE>   23

assets, or [vi] any combination of the foregoing, having an aggregate value 
equal to the Current Value, where such aggregate value has been determined by 
the Board of Directors of the Company based upon the advice of a nationally 
recognized investment banking firm selected by the Board of Directors of the 
Company;  provided, however, if the Company shall not have made adequate 
provision to deliver value pursuant to clause [b] above within 30 days 
following the first occurrence of a Section 11(a)(ii) Event, then the Company 
shall be obligated to deliver, upon the surrender for exercise of a Right and 
without requiring  payment of the Purchase Price, Common Shares (to the extent
available) and then, if necessary, cash, which securities and/or assets in the
aggregate are equal to the Spread.  If the Board of Directors of the Company 
shall determine in good faith that it is likely that sufficient additional 
Common Shares could be authorized for issuance upon exercise in full of the 
Rights, the 30-day period set forth above may be extended to the extent 
necessary, but not more than 90 days following the first occurrence of a 
Section 11(a)(i) Event, to enable the Company to seek shareholder approval for 
the authorization of such additional shares (such period, as it may be 
extended, the "Substitution Period").

To the extent that the Company determines that some action needs be taken
pursuant to the first and/or second sentences of this section 11(a)(iii), the
Company (x) shall provide, subject to section 7(e) hereof, that such action
shall apply uniformly to all outstanding Rights and (y) may suspend the
exercisability of the Rights until the expiration of the Substitution Period to
seek any authorization of additional shares and/or to decide the appropriate
form of distribution to be made pursuant to such first sentence 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 

                                     20


<PAGE>   24

well as a public announcement at such time as the suspension is no longer
in effect.  For purposes of this section 11(a)(iii), the value of each Common
Share shall be the current market price (as determined pursuant to section
11(d) hereof) on the date of the first occurrence of a Section 11(a)(ii) Event
and the value of any Common Stock Equivalent shall be deemed to have the same
value as a Common Share on such date.

     (b) In case the Company shall fix a record date for the issuance of
rights, options or warrants to all holders of Preferred Shares entitling them
(for a period expiring within 45 calendar days after such record date) to
subscribe for or purchase Preferred Shares or securities convertible into
Preferred Shares at a price per Preferred Share (or having a conversion price
per share, if a security convertible into Preferred Shares) less than the then
current per share market price of the Preferred Shares (as defined in Section
11(d)) 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, the numerator of which
shall be the number of Preferred Shares outstanding on such record date plus
the number of Preferred Shares which the aggregate offering price of the total
number of Preferred Shares to be so offered (and/or the aggregate initial
conversion price of the convertible securities so to be offered) would purchase
at such current market price and the denominator of which shall be the number
of Preferred Shares outstanding on such record date plus the number of
additional Preferred Shares 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

                                     21

<PAGE>   25

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 of Directors of the Company, whose
determination shall be described in a statement filed with the Rights Agent.
Preferred Shares 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, options 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 had not been fixed.

     (c) In case the Company shall fix a record date for the making of a
distribution to all holders of the Preferred Shares (including any such
distribution made in connection with a consolidation or merger in which the
Company is the continuing or surviving corporation) of evidences of
indebtedness or assets (other than a regular quarterly cash dividend or a
dividend payable in Preferred Shares) or subscription rights or warrants
(excluding those referred to in Section 11(b) hereof), 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,
the numerator of which shall be the then current per share market price of the
Preferred Shares on such record date, less the fair market value (as determined
in good faith by the Board of Directors of the Company, 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 Preferred Share and the
denominator of which shall be such current per share market price of the
Preferred Shares; 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 

                                     22

<PAGE>   26

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 hereunder, the "current per
share market price" of the Common Shares on any date shall be deemed to be the
average of the daily closing prices per share of such Common Shares for the 30
consecutive Trading Days (as such term is hereinafter defined) immediately
prior to such date; provided, however, that in the event that the current per
share market price of the Common Shares is determined during a period following
the announcement by the issuer of such Common Shares of (A) a dividend or
distribution on such Common Shares payable in shares of such Common Shares or
securities convertible into such shares, or (B) any subdivision, combination or
reclassification of such Common Shares and prior to the expiration of 30
Trading Days after the ex-dividend date for such dividend or distribution, or
the record date for such subdivision, combination or reclassification, then,
and in each such case, the current per share market price shall be
appropriately adjusted to reflect the current market price per Common Share.
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 Common Shares 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 

                                     23

<PAGE>   27

exchange on which the Common Shares are listed or admitted to trading or, if
the Common Shares 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 Quotations
System ("NASDAQ") or such other system then in use, or, if on any such date the
Common Shares 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 Common Shares selected by the Board of Directors of the
Company. The term "Trading Day" shall mean a day on which the principal
national securities exchange on which the Common Shares are listed or admitted
to trading is open for the transaction of business or, if the Common
Shares are not listed or admitted to trading on any national securities
exchange, a Business Day.  If the Common Shares are not publicly held or so
listed or traded, "current per share market price" shall mean the fair value
per share as determined in good faith by the Board of Directors of the Company,
whose determination shall be described in a statement filed with the Rights
Agent.

     (ii) For the purpose of any computation hereunder, the "current market
price" per Preferred Share shall be determined in the same manner as set forth
above for the Common Shares in clause (i) of this section 11(d) (other than the
last sentence thereof).  If the current market price per Preferred Share cannot
be determined in the manner provided above or if the Preferred Shares are not
publicly held or listed or traded in a manner described in clause (i) of this
section 11(d), the "current market price" per Preferred Share 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


                                     24

<PAGE>   28

recapitalizations with respect to the Common Stock occurring after the date of
this Agreement) multiplied by the Current Market Price per Common Share.  If
neither the Common Shares nor the Preferred Shares are publicly held or so
listed or traded, "current market price" per Preferred Share shall mean the
fair value per share as determined in good faith by the Board of Directors of
the Company, 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 Preferred
Share shall be equal to the "current market price" of one Preferred Share
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 the Purchase
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 one 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 requires
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) hereof,
the holder of any Right thereafter exercised shall become entitled to receive
any shares of capital stock of the Company other than Preferred Shares,
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

                                     25

<PAGE>   29


Preferred Shares contained in Section 11(a) through (c), inclusive, and the
provisions of Sections 7, 9, 10 and 13 with respect to the Preferred Shares
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 Preferred Shares
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 Sections 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 Preferred Shares
(calculated to the nearest one ten-thousandth of a share) obtained by (i)
multiplying (x) the number of shares covered by a Right immediately prior to
this 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 Preferred Shares 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 Preferred Shares for which a
Right was exercisable immediately prior to such adjustment.  Each Right held of
record 


                                     26


<PAGE>   30

prior to such adjustment of the number of Rights shall become that
number of Rights (calculated to the nearest one-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 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, and, if known at the time, the amount of 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 record of Right Certificates on such
record date Right Certificates evidencing, subject to Section 14 hereof, 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 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 Preferred Shares issuable upon the exercise of the Rights, the Right
Certificates theretofore and thereafter issued may continue 


                                     27


<PAGE>   31

express the Purchase Price and the number of Preferred Shares 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 the then par value, if any, of the Preferred Shares
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 Preferred
Shares at such adjusted Purchase Price.

     (1) 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 of the
Preferred Shares and other capital stock or securities of the Company, if any,
issuable upon such exercise over and above the Preferred Shares 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 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 the Preferred Shares, 

                                     28
<PAGE>   32

issuance wholly for cash of any Preferred Shares at less than the
current market price, issuance wholly for cash of Preferred Shares or
securities which by their terms are convertible into or exchangeable for
Preferred Shares, dividends on Preferred Shares payable in Preferred Shares or
issuance of rights, options or warrants referred to in Section 11(b), hereafter
made by the Company to holders of its Preferred Shares shall not be taxable to
such stockholders.

     Section 12.  Certificate of Adjusted Purchase Price or Number of Shares.
Whenever an adjustment is made as provided in Section 11 or 13 hereof, the
Company shall promptly (a) prepare a certificate setting forth such adjustment,
and a brief statement of the facts accounting for such adjustment, (b) file
with the Rights Agent and with each transfer agent for the Common Shares a copy
of such certificate and (c) mail a brief summary thereof to each holder of a
Right Certificate in accordance with Section 24 hereof.

     Section 13.  Consolidation, Merger or Sale or Transfer of Assets or
Earning Power.  In the event, directly or indirectly, (a) the Company shall
consolidate with, or merge with and into, any other Person, (b) any Person
shall consolidate with the Company, or merge with and into the Company and the
Company shall be the continuing or surviving corporation of such merger and, in
connection with such merger, all or part of the Common Shares 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 (c) 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 50%
or more 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 one or more of
its wholly-

                                     29

<PAGE>   33

owned Subsidiaries, then, and in each such case, proper provision
shall be made so that (i) each holder of a Right (except as otherwise provided
herein) shall thereafter have the right to receive, upon the exercise thereof
at a price equal to two times the then current Purchase Price multiplied by the
number of one one-hundredth Preferred Shares for which a Right is then
exercisable, in accordance with the terms of this Agreement, such number of
Common Shares of such other Person (including the Company as successor thereto
or as the surviving corporation) as shall equal the result obtained by (A)
multiplying two times the then current Purchase Price by the number of one
one-hundredth Preferred Shares for which a Right is then exercisable and
dividing that product by (B) 50% of the then current per share market price of
the Common Shares of such other Person (determined pursuant to Section 11(d)
hereof) on the date of consummation of such consolidation, merger, sale or
transfer; (ii) the issuer of such Common Shares 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 issuer; and (iv)
such issuer shall take such steps (including, but not limited to, the
reservation of a sufficient number of its Common Shares in accordance with
Section 9 hereof) 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 Common Shares thereafter deliverable upon
the exercise of the Rights.  The Company shall not consummate any such
consolidation, merger, sale or transfer unless prior thereto the Company and
such issuer shall have executed and delivered to the Rights Agent a
supplemental agreement so providing.  The Company shall not enter into any
transaction of the kind referred to in this Section 13 if at the time of such
transaction there are any rights, warrants, instruments or securities
outstanding or any agreements or 

                                     30


<PAGE>   34

arrangements which, as a result of the consummation of such transaction, would
eliminate or substantially diminish the benefits intended to be afforded by the
Rights.  The provisions of this Section 13 shall similarly apply to successive
mergers or consolidations or sales or other transfers.

     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 

                                     31

<PAGE>   35

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.  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 shall be used.

     (b) The Company shall not be required to issue fractions of Preferred
Shares upon exercise of the Rights or to distribute certificates which evidence
fractional Preferred Shares.  In lieu of fractional Preferred Shares, the
Company may, at its sole option, pay to the registered holders of Right
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 Preferred
Share.  For the purposes of this Section 14(b), the current market value of a
Preferred Share shall be the closing price of a Preferred Share (as determined
pursuant to Section 11(d)) for the Trading Day immediately prior to the date of
such exercise.

     (c) The holder of a Right by the acceptance of the Right expressly waives
the holder's right to receive any fractional Rights or any fractional shares
upon exercise of a Right (except as provided above).

     Section 15.  Rights of Action.  All rights of action in respect of this
Agreement, excepting the rights of action 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 Shares); and any registered holder of any Right Certificate (or,
prior to the Distribution Date, of the Common Shares), without the consent of
the Rights Agent or of the 

                                     32

<PAGE>   36

holder of any other Right Certificate (or, prior to the Distribution Date, of
the Common Shares), may, in his own behalf and 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.  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 will be transferable only
in connection with the transfer of the Common Shares;

     (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

     (c) 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 Shares certificate) is registered as the absolute owner

                                     33


<PAGE>   37

thereof and of the Rights evidenced thereby (notwithstanding any notations of
ownership or writing on the Right Certificates or the associated Common Shares
certificate made by anyone other than the Company or the Rights Agent) for all
purposes whatsoever, and neither the Company nor the Rights Agent shall be
affected by any notice to the contrary.

     Section 17.  Right Certificate Holder Not Deemed a Stockholder.  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 Preferred Shares 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 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 Section 24 hereof), 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, incurred
without 

                                     34

<PAGE>   38

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.

     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 Shares 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, or
otherwise upon the advice of counsel as set forth in Section 20 hereof.

     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 stock
transfer or 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
hereof.  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 

                                     35


<PAGE>   39

delivered, any such successor Rights Agent may adopt the countersignature of 
the predecessor Rights Agent and deliver such Right Certificates 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 this 
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.

     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.


                                     36

<PAGE>   40

                  (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 Chief Executive Officer, 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 to the Company 
and any other Person only for its own 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

                                     37

<PAGE>   41

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 becoming void pursuant to Section 11(a)(ii) hereof) or any
adjustment in the terms of the Rights (including the manner, method or amount
thereof) provided for in Section 3, 11, 13 or 23, or the ascertaining of the
existence of facts that would require any such change or adjustment (except
with respect to the exercise of Rights evidenced by Right Certificates after
actual notice that such change or adjustment is required); nor shall it by any
act hereunder be deemed to make any representation or warranty as to the
authorization or reservation of any Preferred Shares or Common Shares to be
issued pursuant to this Agreement or any Right Certificate or as to whether any
Preferred Shares or Common Shares 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 Chief Executive Officer, 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 by it in 
good faith in accordance with instructions of any such officer or for any delay
in acting while waiting for those instructions.


                                     38


<PAGE>   42
             
                  (h) The Rights Agent and any stockholder, 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 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.

                  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' prior notice in writing mailed to the Company and
to each transfer agent of the Common Shares by registered or certified mail, 
and 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' prior 
notice in writing, mailed to the Rights Agent or successor Rights Agent, as the
case may be, and to each transfer agent of the Common Shares 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, 


                                     39
<PAGE>   43

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 corporation organized
and doing business under the laws of the United States or of the State of
Wisconsin (or of any other state of the United States so long as such
corporation is authorized to do business as a banking institution in the State
of Wisconsin), in good standing, having an office in the State of Wisconsin,
which is authorized under such laws to exercise corporate trust or stock
transfer powers and is subject to supervision or examination by federal or
state authority and 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 Common Shares, 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 

                                     40

<PAGE>   44

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 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.

                  Section 23.  Redemption.  (a) The Board of Directors of the 
Company may, at its option, at any time prior to the earlier of (i) the close 
of business on the twentieth day following such time as any Person becomes an 
Acquiring Person or (ii) the Final Expiration Date, redeem all but not less 
than all the then outstanding Rights at a redemption price of $.01 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").  The redemption of the 
Rights by the Board of Directors may be made effective at such time, on such 
basis and with such conditions as the Board of Directors in its sole discretion
may establish. Provided, however, that if, after a Person has become an 
Acquiring Person and following the expiration of the right of redemption 
hereunder but prior to any transaction of the kind described in Section 13, (i)
a Person who is an Acquiring Person shall have transferred or otherwise 
disposed of a number of Common Shares in one transaction or series of 
transactions, not directly or indirectly involving the Company or any of its 
Affiliates, Associates or Subsidiaries, which did not result in the occurrence
of a 

                                     41

<PAGE>   45

transaction of the type described in Section 13 such that such Person is
thereafter a Beneficial Owner of 10% or less of the outstanding shares of
Common Stock, and (ii) there are no other Persons, immediately following the
occurrence of the event described in clause (i), who are Acquiring Persons,
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 after the first
occurrence of a transaction of the type described in Section 13 until such time
as the Company's right of redemption hereunder has expired.

     (b) Immediately upon the action of the Board of Directors of the Company
ordering the redemption of the Rights pursuant to paragraph (a) of this Section
23, 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 and notice to the Rights Agent 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 such
action of the Board of Directors ordering the redemption of the Rights, the
Company shall mail a notice of redemption to all the holders of the then
outstanding Rights 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 Shares.  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 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

                                     42


<PAGE>   46
than that specifically set forth in this Section 23, and other than in 
connection with the purchase of Common Shares prior to the Distribution Date.

     Section 24.  Notice of Certain Events.  (a) In case the Company shall
propose, at any time after the Distribution Date, (i) to pay any dividend
payable in stock of any class to the holders of its Preferred Shares or to make
any other distribution to the holders of its Preferred Shares (other than a
regular quarterly cash dividend), (ii) to offer to the holders of its Preferred
Shares rights or warrants to subscribe for or to purchase any additional
Preferred Shares or shares of stock of any class or any other securities,
rights or options, (iii) to effect any reclassification of its Preferred Shares
(other than a reclassification involving only the subdivision of outstanding
Preferred Shares), (iv) to effect any consolidation or merger 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 50% or more of the assets or earning power of the Company and
its Subsidiaries (taken as a whole) to, any other Person, (v) 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 Certificate, in accordance
with Section 25 hereof, a notice of such proposed action, which shall specify
the record date for the purposes of such stock dividend, or distribution of
rights or warrants, or the date on which such reclassification, consolidation,
merger, sale, transfer, liquidation, dissolution, or winding up is to take
place and the date of participation therein by the holders of the Preferred
Shares, if any such date is to be fixed, and such notice shall be so given in
the case of any action covered by clause (i) or (ii) above at least 10 days 
prior to the record date for determining holders of the Preferred Shares for
purposes of such action, and in the case of any such other action, at least 10
days
                                
                                      43

<PAGE>   47

prior to the date of the taking of such proposed action or the date of
participation therein by the holders of the Preferred Shares whichever shall be
the earlier.

     (b) In case any Section 11(a)(ii) Event shall occur, then (i) the Company
shall as soon as practicable thereafter give to each holder of a Right
Certificate, in accordance with Section 25 hereof, a notice of the occurrence
of such event, which notice shall describe such event and the consequences of
such event to holders of Rights under Section 11(a)(ii) hereof, and (ii) all
references in the preceding paragraph to Preferred Shares shall be deemed
thereafter to refer to Common Shares and/or, if appropriate, other securities.

     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:


                           Criticare Systems, Inc.
                           20925 Crossroads Circle
                           Waukesha, WI 53186
                           Attention:  Corporate Secretary

Subject to the provisions of Section 21 hereof, 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 sufficiently given or made
if sent by first-class mail, postage prepaid, addressed (until another address
is filed in writing with the Company) as follows:
 


                                     44


<PAGE>   48

                            Firstar Trust Company
                            615 East Michigan Street
                            Milwaukee, Wisconsin 53202
                            Attention:  Eugene Lee

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.  The Company may from time to
time supplement or amend this Agreement without the approval of any holders of
Right Certificates in order to cure any ambiguity, to correct or supplement any
provision contained herein which may be defective or inconsistent with any
other provisions herein, or to make any other provisions with respect to the
Rights which the Company may deem necessary or desirable, any such supplement
or amendment to be evidenced by a writing signed by the Company and the Rights
Agent; provided, however, that from and after such time as any Person becomes
an Acquiring Person, this Agreement shall not be amended in any manner which
would adversely affect the interests of the holders of Rights.  Without
limiting the foregoing, the Company may at any time prior to such time as any
Person becomes an Acquiring Person amend this Agreement to lower the thresholds
set forth in Sections l(a) and 3(a) hereof to not less than the greater of (i)
the sum of .001% and the largest percentage of the outstanding Common Shares
then known by the Company to be beneficially owned by any Person (other than
the Company, any Subsidiary of the Company, any employee benefit plan of the

                                     45

<PAGE>   49

Company or any Subsidiary of the Company, or any entity holding Common Shares
for or pursuant to the terms of any such plan) and (ii) 10%.

     Section 27.  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 28.  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 Shares) 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 (and, prior to the Distribution Date, the
Common Shares).

     Section 29.  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.

     Section 30.  Determinations and Actions by the Board of Directors, Etc.
For all purposes of this Agreement, any calculation of the number of Common
Shares outstanding at any particular time, including for purposes of
determining the particular percentage of such outstanding Common Shares of
which any Person is the Beneficial Owner, shall be made in accordance with the
last sentence of Rule 13d-3(d)(1)(i) of the General Rules and Regulations under

                                     46
<PAGE>   50

the Exchange Act.  The Board of Directors of the Company 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 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 purposes of
clause (y) below, all omissions with respect to the foregoing) which are done
or made by the Board in good faith, shall (x) be final, conclusive and binding
on the Company, the Rights Agent, the holders of the Right Certificates and all
other parties and (y) not subject the Board to any liability to the holders of
the Rights.

     Section 31.  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 Delaware 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 32.  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.

                                     47

<PAGE>   51

     Section 33.  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 attested, all as of the day and year first above written.


                                        CRITICARE SYSTEMS, INC.

                                        BY  /s/   Gerhard J. Von der Ruhr
                                          -----------------------------------
                                               Gerhard J. Von der Ruhr,
                                               President

                                        BY  /s/   Richard J. Osowski
                                          -----------------------------------
                                               Richard J. Osowski,
                                               Assistant Secretary

                                        FIRSTAR TRUST COMPANY

                                        BY  /s/        William Caruso
                                          -----------------------------------
                                                William Caruso,
                                                Assistant Vice President

                                        BY  /s/         Yvonne Siira
                                          -----------------------------------
                                                Yvonne Siira,
                                                Assistant Secretary

                                     48

<PAGE>   52


                                                                       Exhibit A

                           Form of Right Certificate

Certificate No. R-                                                ______  Rights

NOT EXERCISABLE AFTER ___________, 2007 OR EARLIER IF REDEMPTION OR EXCHANGE
OCCURS.  THE RIGHTS ARE SUBJECT TO REDEMPTION AT $.01 PER RIGHT AND TO EXCHANGE
ON THE TERMS SET FORTH IN THE RIGHTS AGREEMENT.

                               Right Certificate

                            CRITICARE SYSTEMS, INC.

     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 __________, 1997 (the "Rights Agreement"),
between Criticare Systems, Inc., a Delaware corporation (the "Company"), and
Firstar Trust Company (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., Milwaukee, Wisconsin time, on ________, 2007
at the principal office of the Rights Agent, or at the office of its successor
as Rights Agent, one one-hundredth of one fully paid nonassessable share of
Preferred Stock, par value $.04 per share (the "Preferred Shares"), of the
Company, at a purchase price of $_____ per full one one-hundredth Preferred
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 Preferred Shares
which may be purchased upon exercise hereof) set forth above, and the Purchase
Price set forth above, are the number and Purchase Price as of __________,
1997, based on the Preferred Shares as constituted at such date.  As provided
in the Rights Agreement, the Purchase Price and the number of Preferred Shares
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 

                                     A-1


<PAGE>   53

Agent, the Company and the holders of the Right Certificates.  Copies of
the Rights Agreement are on file at the principal executive offices of the
Company and the above-mentioned offices 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
Common Shares 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.

     Subject to the provisions of the Rights Agreement, the Rights evidenced by
this Certificate (i) may be redeemed by the Company at a redemption price of
$.01 per Right or (ii) may be exchanged in whole or in part for Preferred
Shares.

     The Company is not required to issue any fractional Preferred Shares upon
the exercise of any Right or Rights evidenced hereby.  In lieu thereof, the
Company may, at its sole option, make a cash payment 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 Shares 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.

                                     A-2


<PAGE>   54

     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 ____________, 1997.


                                        CRITICARE SYSTEMS, INC.

                                        BY_____________________________

                                             Attest:

                                        ________________________________


                                        Countersigned:

                                        FIRSTAR TRUST COMPANY

                                        BY______________________________
                                             Authorized Signature

                                     A-3

<PAGE>   55

                   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 Certificate.)


     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:  ___________________, 19_


                                             ________________________________
                                             Signature


Signature Guaranteed:

     Signatures must be guaranteed by a member firm of a registered national
securities exchange, a member of the National Association of Securities
Dealers, Inc., or a commercial bank or trust company having an office or
correspondent in the United States.

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

     The undersigned hereby certifies that the Rights evidenced by this Right
Certificate are not beneficially owned by an Acquiring Person or an Affiliate
or Associate thereof (as defined in the Rights Agreement).

                                            ________________________________
                                            Signature
                                     A-4


<PAGE>   56

             Form of Reverse Side of Right Certificate -- continued

                          FORM OF ELECTION TO PURCHASE

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

To CRITICARE SYSTEMS, INC.:

     The undersigned hereby irrevocably elects to exercise Rights represented
by this Right Certificate to purchase the one one-hundredth Preferred Shares
issuable upon the exercise of such Rights and requests that certificates for
such Preferred 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:________________, 19 _

                                ________________________________
                                Signature

Signature Guaranteed:

     Signatures must be guaranteed by a member firm of a registered national
securities exchange, a member of the National Association of Securities


                                     A-5


<PAGE>   57


             Form of Reverse Side of Right Certificate -- continued

Dealers, Inc., or a commercial bank or trust company having an office or
correspondent in the United States.

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

     The undersigned hereby certifies that the Rights evidenced by this Right
Certificate are not beneficially owned by an Acquiring Person or an Affiliate
or Associate thereof (as defined in the Rights Agreement).

                                              _______________________________
                                              Signature

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

                                     NOTICE
     The signature in the Form of Assignment or Form of Election to Purchase,
as the case may be, must conform to the name as written upon the face of this
Right Certificate in every particular, without alteration or enlargement or any
change whatsoever.

     In the event the certification set forth above in the Form of Assignment
or the Form of Election to Purchase, as the case may be, is not completed, the
Company and the Rights Agent will deem the beneficial owner of the Rights
evidenced by this Right Certificate to be an Acquiring Person or an Affiliate
or Associate thereof (as defined in the Rights Agreement) and such Assignment
or Election to Purchase will not be honored.

                                     A-6

<PAGE>   58


                                                                       Exhibit B

                         SUMMARY OF RIGHTS TO PURCHASE
                                PREFERRED SHARES

     On ___________, 1997, the Board of Directors of Criticare Systems, Inc.
(the "Company") declared a dividend of one preferred share purchase right (a
"Right") for each outstanding share of common stock, par value $.04 per share
(the "Common Shares"), of the Company.  The dividend is payable on ________,
1997 (the "Record Date") to the stockholders of record on that date.  Each
Right entitles the registered holder to purchase from the Company one
one-hundredth of one Preferred Share of the Company at a price of $____ per one
one-hundredth 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 Firstar Trust Company, as Rights
Agent (the "Rights Agent").

     Initially, the Rights are attached to all certificates representing Common
Shares then outstanding and no separate certificates representing the Rights
will be distributed.  The Rights will separate from the Common Shares upon the
earlier to occur of (i) 10 days following a public announcement that a person
or group of affiliated or associated persons (an "Acquiring Person") has
acquired beneficial ownership of 20% or more of the outstanding Common Shares
or (ii) 10 business days (or such later date as may be determined by action of
the Board of Directors prior to such time as any person or group of affiliated
persons becomes an Acquiring Person) following the commencement of, or
announcement of an intention to make, a tender offer or exchange offer the
consummation of which would result in the beneficial ownership by a person or
group of 30% or more of the outstanding Common Shares (the earlier of such
dates being called the "Distribution Date").

     The Rights Agreement provides that, until the Distribution Date (or
earlier redemption or expiration of the Rights), (i) the Rights will be
transferred with and only with the Common Shares; (ii) new Common Share
certificates issued after the Record Date upon transfer or new issuance of
Common Shares will contain a notation incorporating the Rights Agreement by
reference; and (iii) the surrender for transfer of any certificates for Common
Shares outstanding as of the Record Date, even without such notation, will also
constitute the transfer of the Rights associated with the Common Shares
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 Shares as of
the close of business on the Distribution Date and such separate Right
Certificates alone will evidence the Rights.

                                     B-1


<PAGE>   59

     The Rights are not exercisable until the Distribution Date.  The Rights
will expire at the close of business on April 1, 2007 (the "Final Expiration
Date"), unless the Final Expiration Date is extended or unless the Rights are
earlier redeemed or exchanged by the Company, in each case, as described below.

     The Purchase Price payable, and the number of one one-hundredths Preferred
Shares 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 Shares, (ii) upon the grant to holders of the Preferred
Shares of certain rights or warrants to subscribe for or purchase Preferred
Shares at a price, or securities convertible into Preferred Shares with a
conversion price, less than the then-current market price of the Preferred
Shares or (iii) upon the distribution to holders of the Preferred Shares of
evidences of indebtedness or assets (excluding regular periodic cash dividends
paid out of earnings or retained earnings or dividends payable in Preferred
Shares) or of subscription rights or warrants (other than those referred to
above).

     With certain exceptions, no adjustment in the Purchase Price would be
required until cumulative adjustments require an adjustment of at least 1% in
such Purchase Price.  The Company is not required to issue any fractional
Preferred Shares and in lieu thereof, an adjustment in cash may be made based
on the market price of the Preferred Shares on the last trading day prior to
the date of exercise.

     If, without the prior approval of a majority of the Disinterested
Directors, (i) the Company is the surviving corporation in a merger with an
Acquiring Person and the Common Shares are not changed or exchanged (a
"Surviving Merger"), (ii) a Person becomes the beneficial owner of more than
30% of the then outstanding Common Shares, (iii) an Acquiring Person engages in
one or more "self-dealing" transactions as set forth in the Rights Agreement,
or (iv) during such time as there is an Acquiring Person, an event occurs which
results in such Acquiring Person's ownership interest being increased by more
than 1% (e.g., a reverse stock split), at any time following the Distribution
Date (but no earlier than the expiration of the redemption period of the
Rights), each holder of a Right will thereafter have the right to receive, upon
exercise, Common Shares (or, in certain circumstances, cash, property or other
securities of the Company) having a value equal to two times the exercise price
of the Right.  Notwithstanding any of the foregoing, following the occurrence
of any of the events set forth in this paragraph, all Rights that are or (under
certain circumstances specified in the 


                                     B-2

<PAGE>   60

Rights Agreement) were beneficially owned by any Acquiring Person would be 
null and void.

     For example, at an exercise price of $20 per Right, each Right not owned
by an Acquiring Person (or by certain related parties) following an event set
forth in the preceding paragraph would entitle its holder to purchase $40 worth
of Common Shares (or other consideration, as noted above) for $20.  Assuming
that the Common Shares had a per share value of $10 at such time, the holder of
each valid Right would be entitled to purchase four Common Shares for $20.

     If, at any time following the Stock Acquisition Date, (i) the Company is
acquired in a merger or other business combination transaction (other than a
Surviving Merger) or (ii) 50% or more of the Company's assets or earning power
is sold or transferred, each holder of a Right shall thereafter have the right
to receive, upon exercise, common stock of the acquiring company having a value
equal to two times the exercise price of the Right.

     At any time prior to the twentieth day after the acquisition by a person
or group of affiliated or associated persons of beneficial ownership of 20% or
more of the outstanding Common Shares, the Board of Directors of the Company
may redeem the Rights in whole, but not in part, at a price of $.01 per Right
(the "Redemption Price").  The redemption of the Rights may be made effective
at such time on such basis with such conditions as the Board of Directors in
its sole discretion may establish.  Immediately upon any redemption of the
Rights, the right to exercise the Rights will terminate and the only right of
the holders of Rights will be to receive the Redemption Price.

     Other than those provisions relating to the principal economic terms of
the Rights and an amendment lengthening the redemption period of the Rights,
any of the provisions of the Rights Agreement may be amended by the Board of
Directors of the Company prior to the Distribution Date.  After the
Distribution Date, the provisions of the Rights Agreement may be amended by the
Board in order to cure any ambiguity, to make changes which do not adversely
affect the interests of holders of Rights (excluding the interests of any
Acquiring Person), or to shorten or lengthen any time period under the Rights
Agreement; provided, however, that no amendment to lengthen the time period
governing redemption shall be made.

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

                                     B-3


<PAGE>   61

     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
__________, 1997.  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.


                                     B-4


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