PRIMARK CORP
8-A12B, 1997-06-20
COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH
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<PAGE>   1
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 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


                                      
                                   PRIMARK
                                 CORPORATION
                  -----------------------------------------
            (Exact name of registrant as specified in its charter)


              MICHIGAN                                   38-2383282
 -----------------------------------       -------------------------------------
    (State or other jurisdiction            (I.R.S. Employer Identification No.)
  of incorporation or organization)




                            1000 WINTER STREET, SUITE
                                      4300
                             WALTHAM, MASSACHUSETTS
                                     02154
                   ------------------------------------------
               (Address of principal executive offices) (Zip Code)


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

</TABLE>                                          


       SECURITIES TO BE REGISTERED PURSUANT TO SECTION 12(B) OF THE ACT:

      COMMON STOCK PURCHASE RIGHTS                       NYSE, PSE
- -----------------------------------------     ----------------------------------
(Title of each class to be so registered)     (Name of each exchange on which
                                                 each class is to be registered)


        SECURITIES TO BE REGISTERED PURSUANT TO SECTION 12(G) OF THE ACT:

                                      NONE
                                      ----
                                (Title of class)
<PAGE>   2


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

On May 28, 1997, the Board of Directors of Primark Corporation (the "Company")
declared a dividend distribution of one Right for each outstanding share of the
Company's common stock, no par value (the "Common Stock"), to stockholders of
record at the close of business on the expiration date of the Prior Rights
Agreement (the "Prior Rights Agreement"). Each Right entitles the registered
holder to purchase from the Company one share of Common Stock at a price (the
"Purchase Price") of $138.00, subject to adjustment. The description and terms
of the Rights are set forth in a Rights Agreement (the "Rights Agreement")
between the Company and BankBoston, N.A., as Rights Agent, filed as Exhibit 4.1
and incorporated herein by reference. The following description of the Rights
does not purport to be complete and is qualified in its entirety by reference to
such Exhibit.

Initially, the Rights will be attached to all Common Stock certificates
representing shares then outstanding, and no separate Rights Certificates will
be distributed. The Rights will separate from the Common Stock and a
Distribution Date will occur upon the earlier of (i) 10 days following a public
announcement that a person or group of affiliated or associated persons (an
"Acquiring Person") has acquired, or obtained the right to acquire, beneficial
ownership of 15% or more of the outstanding shares of Common Stock (the "Stock
Acquisition Date"), other than as a result of repurchases of Stock by the
Company or certain inadvertent actions by institutional or certain other
stockholders or (ii) 10 business days following the commencement of a tender
offer or exchange offer that would result in a person or group beneficially
owning 15% or more of such outstanding shares of Common Stock unless such
Distribution Date is delayed by the Board of Directors of the Company in
conjunction with the extension of the redemption period described below.

Until the Distribution Date, (i) the Rights will be evidenced by the Common
Stock certificates and will be transferred with and only with such Common Stock
certificates, (ii) new Common Stock certificates issued after January 25, 1998
will contain a notation incorporating the Rights Agreement by reference and
(iii) the surrender for transfer of any certificates for Common Stock
outstanding will also constitute the transfer of the Rights associated with the
Common Stock represented by such certificate.

The Rights are not exercisable until the Distribution Date and will expire at
the close of business on January 25, 2008, unless, in either case, earlier
redeemed by the Company as described below.

As soon as practicable after the Distribution Date, Rights Certificates will be
mailed to holders of record of the Common Stock as of the close of business on
the Distribution Date and, thereafter, the separate Rights Certificates alone
will represent the Rights. Except as otherwise determined by the Board of
Directors, only shares of Common Stock issued prior to the Distribution Date
will be issued with Rights.

In the event that, at any time following the Distribution Date, (i) a Person
becomes the beneficial owner of more than 15% of the then outstanding shares of
Common Stock (except pursuant to an offer for all outstanding shares of Common
Stock which the independent 



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<PAGE>   3

directors determine to be fair and adequate to and otherwise in the best
interests of the Company and its shareholders), or (ii) an Acquiring Person
engages in one or more "self-dealing" transactions as set forth in the Rights
Agreement, each holder of a Right will thereafter have the right to receive,
upon exercise, one share of Common Stock (or, in certain circumstances, cash,
property or other securities of the Company) in exchange for 10% of the then
current market price of the Common Stock as calculated pursuant to the Rights
Agreement. 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 Rights Agreement) were, beneficially
owned by any Acquiring Person will be null and void. However, Rights are not
exercisable following the occurrence of any of the events set forth above until
such time as the Rights are no longer redeemable by the Company as set forth
below.

In the event that, at any time following the Stock Acquisition Date, (i) the
Company is acquired in a merger or other business combination transaction in
which the Company is not the surviving corporation (other than a merger which
follows an offer described in the preceding paragraph), or (ii) subject to
certain specified exceptions 50% or more of the Company's assets, cash flow 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. The events
set forth in this paragraph and in the preceding paragraph are referred to as
the "Triggering Events."

The Purchase Price payable, and the number of shares of Common Stock or other
securities or property issuable, upon exercise of the Rights are subject to
adjustment from time to time to prevent dilution (i) in the event of a stock
dividend on, or a subdivision, combination or reclassification of, the Common
Stock, (ii) if holders of the Common Stock are granted certain rights or
warrants to subscribe for Common Stock or convertible securities at less than
the current market price of the Common Stock, or (iii) upon the distribution to
holders of the Common Stock of evidences of indebtedness or assets (excluding
regular quarterly cash dividends) or of subscription rights or warrants (other
than those referred to above).

With certain exceptions, no adjustment in the Purchase Price will be required
until cumulative adjustments amount to at least 1% of the Purchase Price. No
fractional shares of Common Stock will be issued and, in lieu thereof, an
adjustment in cash will be made based on the market price of the shares of
Common Stock on the last trading date prior to the date of exercise.

In general, the Company may redeem the Rights in whole, but not in part, at a
price of $.01 per Right, at any time until ten days following the Stock
Acquisition Date. At any time prior to the expiration of the redemption period,
the Board of Directors may extend the redemption period (and, in connection
therewith, delay the Distribution Date) for such time as they deem appropriate.
Under certain circumstances set forth in the Rights Agreement, the decision to
redeem shall require the concurrence of a majority of the Continuing Directors.
After the redemption period has expired, the Company's right of redemption may
be reinstated if an Acquiring Person reduces his beneficial ownership to 10% or
less of the outstanding shares 


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<PAGE>   4

of Common Stock in a transaction or series of transactions not involving the
Company. Immediately upon the action of the Board of Directors ordering
redemption with, where required, the concurrence of the Continuing Directors, of
the Rights, the Rights will terminate and the only right of the holders of
Rights will be to receive the $.01 redemption price.

The term "Continuing Directors" means any member of the Board of Directors who
was a member of the Board prior to the date of the Rights Agreement, and any
person who is subsequently elected to the Board if such person is recommended or
approved by a majority of the Continuing Directors, but shall not include an
Acquiring Person, or an affiliate or associate of such Acquiring Person or any
representative of the foregoing entities.

Until a Right is exercised, the holder thereof, as such, will have no rights as
a shareholder of the Company, including, without limitation, the right to vote
or to receive dividends. While the distribution of the Rights will not be
taxable to shareholders or to the Company, shareholders may, depending upon the
circumstances, recognize taxable income in the event that a Triggering Event
should occur.

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
certain circumstances, with the concurrence of the Continuing Directors) 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 adjust the time period governing
redemption shall be made at such time as the Rights are not redeemable.

The Rights may have certain anti-takeover effects. The Rights will cause
substantial dilution to a person or group that attempts to acquire the Company
in a manner which causes the Rights to become discount Rights unless the offer
is conditional on a substantial number of Rights being acquired. The Rights,
however, should not affect any prospective offeror willing to make an offer at a
fair price and otherwise in the best interests of the Company and its
stockholders as determined by a majority of the Directors who are not affiliated
with the person making the offer, or interfere with any merger or other business
combination approved by the Board since the Board may, at its option, at any
time until ten days following the Stock Acquisition Date redeem all but not less
than all the then outstanding Rights at the Redemption Price.

As of May 31, 1997 there were 25,881,017 shares of Common Stock issued and
outstanding, of which 2,200,000 are unregistered but will be registered by
October 18, 1997, and 1,349,000 shares held in the treasury. As of May 31, 1997,
approximately 6,574,710 shares of Common Stock were issuable under the Company's
stock option and employee benefit plans, of which 1,000,000 are unregistered and
will be registered according to the terms of a Registration Rights Agreement
dated January 7, 1997. In addition, the Company anticipates registering
approximately 2,000,000 shares related to an employee stock purchase plan prior
to December 31, 1997.



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<PAGE>   5

Each outstanding share of Common Stock on January 25, 1998 will receive one
Right (as such number may be adjusted pursuant to the provisions of the Rights
Agreement. As long as the Rights are attached to the Common Stock, the Company
will issue one Right for each share of Common Stock issued between the Record
Date and the Distribution Date. Initially, 28,000,000 shares of Common Stock (or
such other number of shares equal to the number of outstanding shares of Common
Stock on the close of business on January 25, 1988) will be reserved for
issuance upon the exercise of Rights.


ITEM 2. EXHIBITS

EXHIBIT 
NUMBER       DESCRIPTION

  4.1        Rights Agreement dated May 29, 1997 between Primark Corporation
             and BankBoston, N.A., as Rights Agent, which includes, as Exhibit
             A, the Rights Certificate and as Exhibit B, the Summary of Rights
             to Purchase Common Stock. Pursuant to the Rights Agreement, printed
             Rights Certificates will not be mailed until after a Distribution
             Date (as such term is defined in the Rights Agreement.)




                                    SIGNATURE

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, thereto duly authorized.


                                              PRIMARK CORPORATION

Date:  June 19, 1997                          By:  /s/ STEPHEN H. CURRAN
                                                   -----------------------------

                                                         Stephen H. Curran
                                                    Executive Vice President and
                                                      Chief Financial Officer
                                                   (Principal Financial Officer)




                                       4

<PAGE>   1
                                TABLE OF CONTENTS
                                -----------------

                                                                           PAGES
                                                                           -----

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

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

Section 3.  Issue of Rights Certificates....................................  8

Section 4.  Form of Rights Certificates..................................... 10

Section 5.  Countersignature and Registration............................... 11

Section 6.  Transfer, Split Up, Combination and
            Exchange of Rights Certificates;
            Mutilated, Destroyed, Lost or Stolen 
            Rights Certificates............................................. 12

Section 7.  Exercise of Rights; Purchase Price;
            Expiration Date of Rights....................................... 13

Section 8.  Cancellation and Destruction of
            Rights Certificates............................................. 16

Section 9.  Reservation and Availability of
            Capital Stock................................................... 16

Section 10. Common Stock Record Date........................................ 18

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

Section 12. Certificate of Adjusted Purchase
            Price or Number of Shares....................................... 29

Section 13. Consolidation, Merger or Sale or
            Transfer of Assets, Cash Flow or
            Earning Power................................................... 30

Section 14. Fractional Rights and Fractional Shares......................... 33

Section 15. Rights of Action................................................ 35

Section 16. Agreement of Rights Holders..................................... 35



                                i

<PAGE>   2



                                TABLE OF CONTENTS
                                -----------------

                                                                           PAGES
                                                                           -----

Section 17. Rights Certificate Holder Not
            Deemed a Stockholder............................................ 36

Section 18. Concerning the Rights Agent..................................... 36

Section 19. Merger or Consolidation or Change
            of Name of Rights Agent......................................... 37

Section 20. Duties of Rights Agent.......................................... 38

Section 21. Change of Rights Agent.......................................... 41

Section 22. Issuance of New Rights Certificates............................. 42

Section 23. Redemption and Termination...................................... 42

Section 24. Notice of Certain Events........................................ 44

Section 25. Notices......................................................... 45

Section 26. Supplements and Amendments...................................... 46

Section 27. Successors...................................................... 47

Section 28. Determinations and Actions by the
            Board of Directors, etc......................................... 47

Section 29. Benefits of this Agreement...................................... 48

Section 30. Severability.................................................... 48

Section 31. Governing Law................................................... 49

Section 32. Counterparts.................................................... 49

Section 33. Descriptive Headings............................................ 49



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<PAGE>   3


                                RIGHTS AGREEMENT
                                ----------------


     RIGHTS AGREEMENT, dated as of May 29, 1997 the "Agreement"), between
Primark Corporation, a Michigan corporation (the "Company"), and BankBoston,
N.A., a na- tional trust company (the "Rights Agent").


                               W I T N E S S E T H
                               - - - - - - - - - -

     WHEREAS, on January 12, 1988, the Board of Directors of the Company
authorized the Rights Agreement, dated January 12, 1988, as amended June 27,
1988 and as further amended April 9, 1990 and May 31, 1992 between the Company
and the Rights Agent thereunder (the "1988 Agreement") and authorized and
declared a dividend distribution of one right (a "1988 Right") for each share of
Common Stock (as hereinafter defined) of the Company outstanding at the close of
business on January 25, 1988 (the "1988 Record Date"). Each 1988 Right
represents the right to purchase one share of Common Stock, upon the terms and
subject to the conditions set forth in the 1988 Rights Agreement;

     WHEREAS, on May 28, 1997 the Board of Directors of the Company determined
it is desirable and in the best interests of the Company and its stockholders
for the Company to extend the benefits afforded by the 1988 Rights Agreement and
to implement such extension by executing this Agreement;

     WHEREAS, on May 28, 1997 (the "Rights Dividend Declaration Date"), the
Board of Directors of the Company authorized and declared a dividend
distribution of one Right (as hereinafter defined) for each share of Common
Stock outstanding upon the earlier of (i) at the close of business on January
25, 1998 or (ii) the date on which the 1988 rights are redeemed (the "Record
Date"), and has authorized the issuance of one Right for each share of Common
Stock of the Company issued between the Record Date (whether originally issued
or delivered from the Company's treasury) and the Distribution Date (as
hereinafter defined) each Right initially representing the right to purchase one
share of Common Stock, upon the terms and subject to the conditions set forth
herein.




<PAGE>   4



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

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

          (a) "Acquiring Person" shall mean any Person who or which, together
with all Affiliates and Associates of such Person, shall at any time be the
Beneficial Owner of 15% or more of the shares of Common Stock then outstanding,
but shall not include (i) the Company, (ii) any Subsidiary of the Company, (ii)
any employee benefit plan of the Company or of any Subsidiary of the Company,
(iii) any Person or entity organized, appointed or established by the Company
for or pursuant to the terms of any such plan or (iv) any such Person who has
reported or is required to report such ownership (but less than 25%) on Schedule
13G under the Exchange Act (or any comparable or successor report) or on
Schedule 13D under the Securities Exchange Act of 1934, as amended from time to
time (the "Exchange Act") (or any comparable or successor report) which Schedule
13D does not state any intention to or reserve the right to control or influence
the management or policies of the Company or engage in any of the actions
specified in Item 4 (or any comparable successor Item) of such Schedule (other
than the disposition of the Common Stock) and, within 10 Business Days of being
requested by the Company to advise it regarding the same, certifies to the
Company that such Person acquired shares of Common Stock in excess of 14.9%
inadvertently or without knowledge of the terms of the Rights and who, together
with all Affiliates and Associates, thereafter does not acquire additional
shares of Common Stock while the Beneficial Owner of 15% or more of the shares
of Common Stock then outstanding; PROVIDED, HOWEVER, that if the Person
requested to so certify fails to do so within 10 Business Days, then such Person
shall become an Acquiring Person immediately after such 10 Business Day Period.
Notwithstanding the foregoing, a Person shall not become an Acquiring person if
such Person, together with its Affiliates and Associates, shall become the
Beneficial Owner of 15% or more of the shares of Common Stock then outstanding
solely as a result of a reduction in the number of shares of Common Stock
outstanding due to the repurchase of shares of Common Stock by the Company
(which repurchase shall have been approved by a majority of the Continuing
Directors),


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<PAGE>   5



unless and until such time as such Person both owns 15% or more of the shares of
Common Stock then outstanding and purchases or otherwise becomes (as a result of
actions taken by such Person or its Affiliates or Associates) the Beneficial
Owner of additional shares of common Stock constituting 0.25% or more of the
then outstanding shares of Common Stock; and PROVIDED, FURTHER, that, solely for
purposes of this Section 1(a), in determining the number of shares of Common
Stock purchased or otherwise beneficially owned by any Person, there shall be
excluded from such determination any shares of Common Stock which are subject to
a written "standstill" agreement between the Company and such Person (and, if
applicable, Affiliates and Associates of such Person), PROVIDED, that (A) such
agreement shall have been approved by a majority of the Continuing Directors and
(B) no material breach of such agreement by such Person (or, if applicable, by
any Affiliates or Associates of such Person) shall have been asserted in writing
by the Company and shall have gone unremedied for such period of time, if any,
as the Company shall have set forth in such writing. Notwithstanding anything in
this Agreement to the contrary, it is expressly understood that the Beneficial
Ownership of 15% or more of the Common Stock by all directors and executive
officers of the Company as a group shall not result in such persons collectively
becoming an Acquiring Person or causing a Section 11(a)(ii) Event.

          (b) "Act" shall mean the Securities Act of 1933. 

          (c) "Affiliate" and "Associate" shall have the respective meanings
ascribed to such terms in Rule 12b-2 of the General Rules and Regulations under
the Exchange Act.

          (d) 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, directly or indirectly, has the right to acquire (whether
          such right is exercisable immediately or only after the passage of
          time) pursuant to any agreement, arrangement or understanding (whether
          or not in writing) or upon the exercise of conversion rights, exchange
          rights, rights, warrants or options, or otherwise; PROVIDED, however,
          that


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<PAGE>   6



          a Person shall not be deemed the "Beneficial Owner" of, or to
          "beneficially own," (A) securities tendered pursuant to a tender or
          exchange offer made by such Person or any of such Person's Affiliates
          or Associates until such tendered securities are accepted for purchase
          or exchange, or (B) securities issuable upon exercise of Rights at any
          time prior to the occurrence of a Triggering Event, or (C) securities
          issuable upon exercise of Rights from and after the occurrence of a
          Triggering Event which Rights were acquired by such Person or any of
          such Person's Affiliates or Associates prior to the Distribution Date
          or pursuant to Section 3(a) or Section 22 hereof (the "Original
          Rights") or pursuant to Section 11(i) hereof in connection with an
          adjustment made with respect to any Original Rights;

               (ii) which such Person or any of such Person's Affiliates or
          Associates, directly or indirectly, has the right to vote or dispose
          of or has "beneficial ownership" of (as determined pursuant to Rule
          13d-3 of the General Rules and Regulations under the Exchange Act),
          including pursuant to any agreement, arrangement or understanding,
          whether or not in writing; PROVIDED, however, that a Person shall not
          be deemed the "Beneficial Owner" of, or to "beneficially own," any
          security under this subparagraph (ii) as a result of an agreement,
          arrangement or understanding to vote such security if such agreement,
          arrangement or understanding: (A) arises solely from a revocable proxy
          given in response to a public proxy or consent solicitation made
          pursuant to, and in accordance with, the applicable provisions of the
          General Rules and Regulations under the Exchange Act, and (B) is not
          also then reportable by such Person on Schedule 13D under the Exchange
          Act (or any comparable or successor report); or

               (iii) which are beneficially owned, directly or indirectly, by
          any other Person (or any Affiliate or Associate thereof) with which
          such Person (or any of such Person's Affiliates or Associates) has any
          agreement, arrangement or understanding (whether or not in writing),
          for the purpose of acquiring, holding, voting (except pursuant to


                                        4

<PAGE>   7



          a revocable proxy as described-in the proviso to subpara-graph (ii) of
          this paragraph (e)) or disposing of any voting securities of the
          Company; PROVIDED, however, that nothing in this paragraph (e) shall
          cause a person engaged in business as an underwriter of securities to
          be the "Beneficial Owner" of, or to "beneficially own," any securities
          acquired through such person's participation in good faith in a firm
          commitment underwriting until the expiration of forty days after the
          date of such acquisition.

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

          (f) "Close of business" on any given date shall mean 5:00 P.M., New
York City time, on such date; PROVIDED, HOWEVER, that if such date is not a
Business Day it shall mean 5:00 P.M., New York City time, on the next succeeding
Business Day.

          (g) "Common Stock" shall mean the common stock, no par value, of the
Company, except that "Common Stock" when used with reference to any Person other
than the Company shall mean the capital stock of such Person with the greatest
voting power, or the equity securities or other equity interest having power to
control or direct the management, of such Person.

          (h) "Common stock equivalents" shall have the meaning set forth in
Section 11(a)(iii) hereof.

          (i) "Continuing Director" shall mean (i) any member of the Board,
while such Person is a member of the Board, who is not an Acquiring Person or an
Affiliate or Associate of an Acquiring Person, or a representative of an
Acquiring Person or of any such Affiliate or Associate, and was a member of the
Board prior to the date of this Agreement, or (ii) any Person who subsequently
becomes a member of the Board, while such Person is a member of the Board, who
is not an Acquiring Person, or an Affiliate or Associate of an Acquiring Person,
or a representative of an Acquiring Person or of any such Affiliate or
Associate, if such Person's nomination for election or election to the Board is
recommended or approved by a majority of the Continuing Directors.



                                        5

<PAGE>   8



          (j) "Current market price" shall have the meaning set forth in
Section 11(d) hereof.

          (k) "Current Value" shall have the mean- ing set forth in Section
11(a)(iii) hereof.

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

          (m) "Exchange Act" shall have the meaning set forth in Section 1(a)
hereof.

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

          (o) "Final Expiration Date" shall mean the close of business on
Janurary 28, 2008.

          (p) "Person" shall mean any individual, firm, corporation, partnership
or other entity.

          (q) "Principal Party" shall have the meaning set forth in Section
13(b) hereof.

          (r) "Purchase Price" shall have the meaning set forth in Section 4(a)
hereof.

          (s) "Record Date" shall have the meaning set forth in the WHEREAS
clause at the beginning of this Agreement.

          (t) "Redemption Price" shall have the meaning set forth in Section
23(a) hereof.

          (u) "Rights" shall have the meaning set forth in the WHEREAS clause at
the beginning of this Agreement.

          (v) "Rights Certificates" shall have the meaning set forth in Section
3(a) hereof.

          (w) "Rights Dividend Declaration Date" shall have the meaning set
forth in the WHEREAS clause at the beginning of this Agreement.

          (x) "Section 11(a)(ii) Event" shall mean any event described in
Section 11(a)(ii) (A) or (B) hereof.


                                        6

<PAGE>   9




          (y) "Section 11(a)(ii) Trigger Date" shall have the meaning set forth
in Section 11(a)(iii) hereof.

          (z) "Section 13 Event" shall mean any event described in clause (x),
(y) or (z) of Section 13(a) hereof.

          (bb) "Spread" shall have the meaning set forth in Section 11(a)(iii)
hereof.

          (cc) "Stock Acquisition Date" shall mean the first date of public
announcement (which, for purposes of this definition, shall include, without
limitation, a report filed pursuant to Section 13(d) under the Exchange Act) by
the Company or an Acquiring Person that an Acquiring Person has become such.

          (dd) "Subsidiary" shall mean, with reference to any Person, any
corporation of which an amount of voting securities sufficient to elect at least
a majority of the directors of such corporation is beneficially owned, directly
or indirectly, by such Person, or otherwise controlled by such Person.

          (ee) "Substitution Period" shall have the meaning set forth in Section
11(a)(iii) hereof.

          (ff) "Trading Day" shall have the meaning set forth in Section 11(d)
hereof.

          (gg) "Triggering Event" shall mean any Section 11(a)(ii) Event or any
Section 13 Event.

     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 Stock) in accordance with the terms and conditions
hereof, and the Rights Agent hereby accepts such appointment. Upon ten days
prior written notice, the Company may from time to time appoint such Co-Rights
Agents as it may deem necessary or desirable. The Rights Agent shall have no
duty to supervise and shall not be liable for the acts or
omissions of any Co-Rights Agent.

     Section 3. Issue of Rights Certificates.
                ----------------------------


                                        7

<PAGE>   10




          (a) Until the earlier of (i) the close of business on the tenth day
after the Stock Acquisition Date (or, if the tenth day after the Stock
Acquisition Date occurs before the Record Date, the close of business on the
Record Date) or (ii) the close of business on the tenth Business Day (or such
later date as the Board of Directors of the Company shall determine) after the
date that a tender or exchange offer 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 Person or entity organized, appointed or
established by the Company for or pursuant to the terms of any such plan) is
first published or sent or given within the meaning of Rule 14d-2(a) of the
General Rules and Regulations under the Exchange Act, if upon consummation
there-of, such Person would be the Beneficial Owner of 15% or more of the shares
of Common Stock then outstanding (the earliest of (i) and (ii) being herein
referred to as the "Distribution Date"), (x) the Rights will be evidenced
(subject to the provisions of paragraph (b) of this Section 3) by the
certificates for the Common Stock registered in the names of the holders of the
Common Stock (which certificates for Common Stock shall be deemed also to be
certificates for Rights) and not by separate certificates, and (y) the Rights
will be transferable only in connection with the transfer of the underlying
shares of Common Stock (including a transfer to the Company). As soon as
practicable after the Distribution Date, the Rights Agent will send by
first-class, insured, postage prepaid mail, to each record holder of the Common
Stock as of the close of business on the Distribution Date, at the address of
such holder shown on the records of the Company, one or more rights
certificates, in substantially the form of Exhibit A hereto (the "Rights
Certificates"), evidencing one Right for each share of Common Stock so held,
subject to adjustment as PROVIDED herein. As of and after the Distribution Date,
the Rights will be evidenced solely by such Rights Certificates.

          (b) As promptly as practicable following the Record Date, the Company
will send a copy of a Summary of Rights to Purchase Common Stock, in
substantially the form attached hereto as Exhibit B (the "Summary of Rights"),
by first-class, postage prepaid mail, to each record holder of the Common Stock
as of the close of business on the Record Date, at the address of such holder
shown on the records of the Company. With respect to certificates for the Common
Stock outstanding as of


                                        8

<PAGE>   11



the Record Date, until the Distribution Date, the Rights will be evidenced by
such certificates for the Common Stock and the registered holders of the Common
Stock shall also be the registered holders of the associated Rights. Until the
earlier of the Distribution Date or the Expiration Date, the transfer of any
certificates representing shares of Common Stock in respect of which Rights have
been issued shall also constitute the transfer of the Rights associated with
such shares of Common Stock.

          (c) Rights shall be issued in respect of all shares of Common Stock
which are issued (whether originally issued or from the Company's treasury)
after the Record Date but prior to the earlier of the Distribution Date or the
Expiration Date. Certificates representing such shares of Common Stock, with or
without the Summary of Rights attached thereto, shall also be deemed to be
certificates for Rights, and shall bear the following legend (or the legend
required under the 1988 Agreement):

                    This certificate also evidences and entitles the holder
               hereof to certain Rights as set forth in the Rights Agreement
               between Primark Corporation (the "Company") and the Rights Agent
               thereunder dated as of May 29, 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 offices of the 
               Company.  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. The Company
               will mail to the holder of this certificate a copy of the Rights
               Agreement, as in effect on the date of mailing, without charge
               promptly after receipt of a written request therefor. Under
               certain circumstances set forth in the Rights Agreement, Rights
               issued to, or held by, any Person who is, was or becomes an
               Acquiring Person or any Affiliate or Associate thereof (as such
               terms are defined in the Rights Agreement), whether currently
               held by or on behalf of such Person for by any subsequent holder,
               may become null and void.

                                        9

<PAGE>   12

With respect to such certificates containing the foregoing legend (or the
legend required under the 1988 Agreement), until the earlier of (i) the
Distribution Date or (ii) the Expiration Date, the Rights associated with the   
Common Stock represented by such certificates shall be evidenced by such
certificates alone and registered holders of Common Stock shall also be the
registered holders of the associated Rights, and the transfer of any of such
certificates shall also constitute the transfer of the Rights associated with
the Common Stock represented by such certificates.

     Section 4. Form of Rights Certificates.
                ---------------------------

          (a) The Rights Certificates (and the forms of election to purchase and
of assignment to be printed on the reverse thereof) shall each be substantially
in the form set forth in 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 11
and Section 22 hereof, the Rights Certificates, whenever distributed, shall be
dated as of the Record Date and on their face shall entitle the holders thereof
to purchase such number of shares of Common Stock as shall be set forth therein
at the price set forth therein (the "Purchase Price"), but the amount and type
of securities purchasable upon the exercise of each Right and the Purchase Price
thereof shall be subject to adjustment as provided herein.

     (b) Any Rights Certificate issued pursuant to Section 3(a), Section 11(i)
or Section 22 hereof that represents Rights beneficially owned by: (i) an
Acquiring Person or any Associate or Affiliate of an Acquiring Person, (ii) a
transferee of an Acquiring Person (or of any such Associate or Affiliate) who
becomes a transferee after the Acquiring Person becomes such, or (iii) a
transferee of an Acquiring Person (or of any such Associate or Affiliate) who
becomes a transferee prior to or concurrently with the Acquiring Person becoming
such and receives such Rights pursuant to either (A) a transfer (whether or not
for consideration) from the Acquiring Person to holders of equity interests in
such Acquiring Person or to any Person with whom such Acquiring Person has any
continuing agreement, arrangement or understanding regarding the transferred
Rights or (B) a transfer which the Board of Directors of the Company has


                                      10

<PAGE>   13



determined is part of a plan, arrangement or understanding which has as a
primary purpose or effect avoidance of Section 7(e) hereof, and any Rights
Certificate issued pursuant to Section 6 or Section 11 hereof upon transfer,
exchange, replacement or adjustment of any other Rights Certificate referred to
in this sentence, shall contain (to the extent feasible) the following legend,
modified as applicable to apply to such Person:

     The Rights represented by this Rights Certificate are or were beneficially
     owned by a Person who was or became an Acquiring Person or an Affiliate or
     Associate of an Acquiring Person (as such terms are defined in the Rights
     Agreement). Accordingly, this Rights Certificate and the Rights represented
     hereby may become null and void in the circumstances specified in Section
     7(e) of such Agreement.

PROVIDED, HOWEVER, that the absence of such legend on any Rights Certificate
shall not prevent the terms of this Agreement from applying to the Rights
represented by such Rights Certificate.

     Section 5.  Countersignature and Registration.
                 ---------------------------------
 
     (a) The Rights Certificates shall be executed on behalf of the Company by
its Chairman of the Board, its President or any Vice President, either manually
or by facsimile signature, and shall have affixed thereto the Company's seal or
a facsimile thereof which shall be attested by the Secretary or an Assistant
Secretary of the Company, either manually or by facsimile signature. The Rights
Certificates shall be countersigned manually or by facsimile by the Rights Agent
and shall not be valid for any purpose unless so countersigned. In case any
officer of the Company who shall have signed any of the Rights Certificates
shall cease to be such officer of the Company before countersignature by the
Rights Agent and issuance and delivery by the Company, such Rights 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 Rights Certificates had not ceased to be such officer of the Company; and
any Rights Certificates may be signed on behalf of the Company by any person
who, at the actual date of the execution of such Rights Certificate, shall be a
proper officer of the Company to sign such Rights Certificate, although at


                                       11

<PAGE>   14



the date of the execution of this Rights Agreement any such person was not such
an officer.

          (b) Following the Distribution Date, the Rights Agent will keep or
cause to be kept, at its principal office or offices designated as the
appropriate place for surrender of Rights Certificates upon exercise or
transfer, books for registration and transfer of the Rights Certificates issued
hereunder. Such books shall show the names and addresses of the respective
holders of the Rights Certificates, the number of Rights evidenced on its face
by each of the Rights Certificates and the certificate number and the date of
each of the Rights Certificates.

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

     (a) Subject to the provisions of Section 4(b), Section 7(e) and 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 Expiration Date, any Rights Certificate
or Certificates may be transferred, split up, combined or exchanged for another
Rights Certificate or Certificates, entitling the registered holder to purchase
a like number of shares of Common Stock (or, following a Triggering Event,
Common Stock, other securities, cash and/or other assets, as the case may be) as
the Rights Certificate or Certificates surrendered then entitled such holder (or
former holder in the case of a transfer) to purchase. Any registered holder
desiring to transfer, split up, combine or exchange any Rights Certificate or
Certificates shall make such request in writing delivered to the Rights Agent,
and shall surrender the Rights Certificate or Certificates to be transferred,
split up, combined or exchanged at the principal office or offices of the Rights
Agent designated for such purpose. Neither the Rights Agent nor the Company
shall be obligated to take any action whatsoever with respect to the transfer of
any such surrendered Rights Certificate until the registered holder shall have
completed and signed the certificate contained in the form of assignment on the
reverse side of such Rights Certificate and shall have provided such additional
evidence of the identity of the BeneficialOwner (or former Beneficial Owner) or
Affiliates or Associates thereof as the Company shall reasonably request.
Thereupon the Rights Agent shall, subject to



                                       12

<PAGE>   15



Section 4(b), Section 7(e) and Section 14 hereof, countersign and deliver to the
Person entitled thereto a Rights Certificate or 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 Rights Certificates.

          (b) Upon receipt by the Company and the Rights Agent of evidence
reasonably satisfactory to them of the loss, theft, destruction or mutilation of
a Rights Certificate, and, in case of loss, theft or destruction, of indemnity
or security reasonably satisfactory to them, and 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 Rights Certificate if
mutilated, the Company will execute and deliver a new Rights Certificate of like
tenor to the Rights Agent for countersignature and delivery to the registered
owner in lieu of the Rights Certificate so lost, stolen, destroyed or mutilated.

          Section 7. Exercise of Rights; Purchase Price; Expiration Date of
                     ------------------------------------------------------
     Rights.
     ------   
           
          (a) Subject to Section 7(e) hereof, the registered holder of any
Rights Certificate may exercise the Rights evidenced thereby (except as
otherwise provided herein including, without limitation, the restrictions on
exercisability set forth in Section 9(c), Section 11(a)(iii) and Section 23(a)
hereof) in whole or in part at any time after the Distribution Date upon
surrender of the Rights Certificate, with the form of election to purchase and
the certificate on the reverse side thereof duly executed, to the Rights Agent
at the principal office or offices of the Rights Agent designated for such
purpose, together with payment of the aggregate Purchase Price with respect to
each surrendered Right for the total number of shares (or other securities, cash
or other assets, as the case may be) as to which such surrendered Rights are
then exercisable, at or prior to the earlier of (i) the Final Expiration Date;
or (ii) the time at which the Rights are redeemed as provided in Section 23
hereof (the earlier of (i) and (ii) being herein referred to as the "Expiration
Date"). 

          (b) The Purchase Price for each share of Common Stock pursuant to the
exercise of a Right shall initially be $138.00 and shall be subject to
adjustment



                                       13

<PAGE>   16



from time to time as PROVIDED in Sections 11 and 13(a) hereof and shall be
payable in accordance with paragraph (c) below.

          (c) Upon receipt of a Rights Certificate representing exercisable
Rights, with the form of election to purchase and the certificate duly executed,
accompanied by payment, with respect to each Right so exercised, of the Purchase
Price for the Common Stock (or other securities, cash or other assets, as the
case may be) to be purchased as set forth below and an amount equal to any
applicable transfer tax, the Rights Agent shall, subject to Section 20(k)
hereof, thereupon promptly (i) (A) requisition from any transfer agent of the
Common Stock (or make available, if the Rights Agent is the transfer agent for
the Common Stock) certificates for the total number of shares of Common Stock to
be purchased and the Company hereby irrevocably authorizes its transfer agent to
comply with all such requests, or (B) if the Company shall have elected to
deposit the total number of shares of Common Stock issuable upon exercise of the
Rights hereunder with a depositary agent, requisition from the depositary agent
depositary receipts representing such number of shares of Common Stock as are to
be purchased (in which case certificates for the shares of Common Stock
represented by such receipts shall be deposited by the transfer agent with the
depositary agent) and the Company will direct the depositary agent to comply
with such request, (ii) requisition from the Company the amount of cash, if any,
to be paid in lieu of fractional shares in accordance with Section 14 hereof,
(iii) after receipt of such certificates or depositary receipts, cause the same
to be delivered to or upon the order of the registered holder of such Rights
Certificate, registered in such name or names as may be designated by such
holder, and (iv) after receipt thereof, deliver such cash, if any, to or upon
the order of the registered holder of such Rights Certificate. The payment of
the Purchase Price (as such amount may be adjusted pursuant to Section 7(b)
hereof or reduced pursuant to Section 11(a)(iii) hereof) may be made by
certified bank check or money order payable to the order of the Company. In the
event that the Company is obligated to issue other securities of the Company,
pay cash and/or distribute other property pursuant to Section 11(a) hereof, the
Company will make all arrangements necessary so that such other securities, cash
and/or other property are available for distribution by the Rights Agent, if and
when appropriate.



                                       14

<PAGE>   17




          (d) In case the registered holder of any Rights Certificate shall
exercise less than all the Rights evidenced thereby, a new Rights Certificate
evidencing Rights equivalent to the Rights remaining unexercised shall be
executed and delivered by the Company to the Rights Agent which will deliver
such certificate to, or upon the order of, the registered holder of such Rights
Certificate, registered in such name or names as may be designated by such
holder, subject to the provisions of Section 14 hereof.

          (e) Notwithstanding anything in this Agreement to the contrary, from
and after the first occurrence of a Section 11(a)(ii) Event, any Rights
beneficially owned by (i) an Acquiring Person or an Associate or Affiliate of an
Acquiring Person, (ii) a transferee of an Acquiring Person (or of any such
Associate or Affiliate) who becomes a transferee after the Acquiring Person
becomes such, or (iii) a transferee of an Acquiring Person (or of any such
Associate or Affiliate) who becomes a transferee prior to or concurrently with
the Acquiring Person becoming such and receives such Rights pursuant to either
(A) a transfer (whether or not for consideration) from the Acquiring Person to
holders of equity interests in such Acquiring Person or to any Person with whom
the Acquiring Person has any continuing agreement, arrangement or understanding
regarding the transferred Rights or (B) a transfer which the Board of Directors
of the Company has determined is part of a plan, arrangement or understanding
which has as a primary purpose or effect the avoidance of this Section 7(e),
shall become null and void without any further action and no holder of such
Rights shall have any rights whatsoever with respect to such Rights, whether
under any provision of this Agreement or otherwise. The Company shall use all
reasonable efforts to insure that the provisions of this Section 7(e) and
Section 4(b) hereof are complied with, but shall have no liability to any holder
of Rights Certificates or other Person as a result of its making or failure to
make any determinations with respect to any Acquiring Person or any of their
respective Affiliates, Associates or transferees hereunder. The Rights Agent
shall have no obligation to insure compliance with the provisions of this
Section 7(e) and Section 4(b).

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


                                       15

<PAGE>   18



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

     Section 8. CANCELLATION AND DESTRUCTION OF RIGHTS CERTIFICATES. All Rights
Certificates surrendered for the purpose of exercise, transfer, split up,
combination or exchange shall, if surrendered to the Company or 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 Rights
Certificates shall be issued in lieu thereof except as expressly permitted by
any of the provisions of this Agreement. The Company shall deliver to the Rights
Agent for cancellation and retirement, and the Rights Agent shall so cancel and
retire, any other Rights Certificate purchased or acquired by the Company
otherwise than upon the exercise thereof. The Rights Agent shall deliver all
cancelled Rights Certificates to the Company, or shall, at the written request
of the Company, destroy such cancelled Rights Certificates, and in such case
shall deliver a certificate of destruction thereof to the Company.

     Section 9. Reservation and Availability of Capital Stock.
                ---------------------------------------------
 
          (a) The Company covenants and agrees that it will cause to be reserved
and kept available out of its authorized and unissued shares of Common Stock
and/or other securities or out of its authorized and issued shares held in its
treasury, the number of shares of Common Stock and/or other securities that, as
provided in this Agreement including Section 11(a)(iii) hereof, will be
sufficient to permit the exercise in full of all outstanding Rights.

          (b) So long as the shares of Common Stock and/or other securities
issuable and deliverable upon the exercise of the Rights are qualified to be
listed on any national securities exchange, the Company shall use its best
efforts to cause, from and after such time as the Rights become exercisable (and
the Company reasonably anticipates that a Right may be exercisable), all shares 


                                       16

<PAGE>   19



or other securities reserved for such issuance to be listed on such exchange
upon official notice of issuance upon such exercise.

          (c) The Company shall use its best efforts to (i) file, as soon as
practicable following the earliest date after the first occurrence of a Section
11(a)(ii) Event on which the consideration to be delivered by the Company upon
exercise of the Rights has been determined in accordance with Section 11(a)(iii)
hereof, or as soon as is required by law following the Distribution Date, as the
case may be, a registration statement under the Act, with respect to the
securities purchasable upon exercise of the Rights on an appropriate form, (ii)
cause such registration statement to become effective as soon as practicable
after such filing, and (iii) cause such registration statement to remain
effective (with a prospectus at all times meeting the requirements of the Act)
until the earlier of (A) the date as of which the Rights are no longer
exercisable for such securities, and (B) the Expiration Date. The Company will
also take such action as may be appropriate under, or to ensure compliance with,
the securities or "blue sky" laws of the various states in connection with the
exercisability of the Rights. The Company may temporarily suspend, for a period
of time not to exceed ninety (90) days after the date set forth in clause (i) of
the first sentence of this Section 9(c), the exercisability of the Rights in
order to prepare and file such registration statement and permit it to become
effective. Upon any such suspension, the Company shall issue a public
announcement stating that the exercisability of the Rights has been temporarily
suspended, as well as a public announcement at such time as the suspension is no
longer in effect. Notwithstanding any provision of this Agreement to the
contrary, the Rights shall not be exercisable in any jurisdiction, unless the
requisite qualification in such jurisdiction shall have been obtained and until
a registration statement has been declared effective.

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


                                       17

<PAGE>   20





          (e) The Company further covenants and agrees that it will pay when due
and payable any and all federal and state transfer taxes and charges which may
be payable in respect of the issuance or delivery of the Rights Certificates and
of any certificates for shares of Common Stock and/or other securities, as the
case may be, 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 Rights Certificates to a Person other than, or the issuance or
delivery of Common Stock and/or other securities, as the case may be, in respect
of a name other than that of, the registered holder of the Rights Certificates
evidencing Rights surrendered for exercise or to issue or deliver any
certificates for shares of Common Stock and/or other securities, as the case may
be, in a name other than that of the registered holder upon the exercise of any
Rights until such tax shall have been paid (any such tax being payable by the
holder of such Rights Certificate at the time of surrender) or until it has been
established to the Company's satisfaction that no such tax is due.

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


                                       18

<PAGE>   21



any notice of any proceedings of the Company, except as provided herein.

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

               (a)(i) In the event the Company shall at any time after the
          Record Date (A) declare a dividend on the Common Stock payable in
          shares of Common Stock, (B) subdivide the outstanding Common Stock,
          (C) combine the outstanding Common Stock into a smaller number of
          shares, or (D) issue any shares of its capital stock in a
          reclassification of the Common Stock (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) and Section 7(e) hereof, the
          Purchase Price in effect at the time of the record date for such
          dividend or of the effective date of such subdivision, combination or
          reclassification, and the number and kind of shares of Common Stock or
          capital stock, as the case may be, issuable on such date, shall be
          proportionately adjusted so that the holder of any Right exercised
          after such time shall be entitled to receive, upon payment of the
          Purchase Price then in effect, the aggregate number and kind of shares
          of Common Stock or capital stock, as the case may be, which, if such
          Right had been exercised immediately prior to such date and at a time
          when the Common Stock transfer books of the Company were open, he
          would have owned upon such exercise and been entitled to receive by
          virtue of such dividend, subdivision, combination or reclassification.
          If an event occurs which would require an adjustment under both this
          Section 11(a)(i) and Section 11(a)(ii) hereof, the adjustment PROVIDED
          for in this Section 11(a)(i) shall be in addition to, and shall be
          made prior to, any adjustment required pursuant to Section 11(a)(ii)
          hereof.

               (ii) In the event:

               (A) any Person (other than the Company, any Subsidiary of the
          Company, any employee benefit plan of the Company or of any Sub-

                                       19

<PAGE>   22




          sidiary 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, at
          any time after the Rights Dividend Declaration Date, becomes an
          Acquiring Person, unless the event causing the Person to become an
          Acquiring Person is a transaction set forth in Section 13(a) hereof,
          or is an acquisition of shares of Common Stock pursuant to a tender
          offer or an exchange offer for all outstanding shares of Common Stock
          at a price and on terms determined by at least a majority of the
          members of the Board of Directors who are not officers of the Company
          and who are not representatives, nominees, Affiliates or Associates of
          an Acquiring Person, after receiving advice from one or more
          investment banking firms, to be (a) at a price which is fair and not
          inadequate to shareholders (taking into account all factors which such
          members of the Board deem relevant including, without limitation,
          prices which could reasonably be achieved if the Company or its assets
          were sold on an orderly basis designed to realize maximum value) and
          (b) otherwise in the best interests of the Company and its
          shareholders, or

               (B) any Acquiring Person or any Associate or Affiliate of any
          Acquiring Person, at any time after the date of this Agreement,
          directly or indirectly, (1) shall 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, (2) shall
          merge into the Company or otherwise combine with the Company, and the
          Company shall be the continuing or surviving corporation of such
          merger or combination, and the Common Stock of the Company shall
          remain outstanding and not be changed, (3) shall sell assets to the
          Company for a price equal to or exceeding $10,000,000, or (4) shall
          receive the benefit, directly or indirectly (except proportionately as
          a stockholder and except if resulting from a requirement of law or
          governmental regulation), 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,



                                       20

<PAGE>   23




then, promptly following the first occurrence of a Section 11(a)(ii) Event the
Purchase Price shall be reduced to an amount equal to 10% of the current market
price (determined pursuant to Section 11(d) hereof) per share of Common Stock on
the date of such first occurrence and 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, one share
of Common Stock of the Company for each share of Common Stock for which a Right
was exercisable.

               (iii) In the event that the number of shares of Common Stock
          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
          (1) the value of the shares issuable upon the exercise of a Right (the
          "Current Value") over (2) the Purchase Price (such excess, the
          "Spread"), and (B) with respect to each Right, make adequate provision
          to substitute for the shares, upon payment of the applicable Purchase
          Price, (1) cash, (2) a reduction in the Purchase Price, (3) Common
          Stock or other equity securities of the Company (including, without
          limitation, shares, or units of shares, of preferred stock which the
          Board of Directors of the Company has deemed to have the same value as
          shares of Common Stock (such shares of preferred stock, "common stock
          equivalents")), (4) debt securities of the Company, (5) other assets,
          or (6) 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 thirty (30) days following the
          later of (x) the first occurrence of a Section 11(a)(ii) Event and (y)
          the date on which the Company's right of redemption pursuant to
          Section 23(a) expires (the later of (x) and (y) being referred to
          herein as the "Section 11(a)(ii) Trigger Date"), then the Company


                                                 21

<PAGE>   24



          shall be obligated to deliver, upon the surrender for exercise of a
          Right and without requiring payment of the Purchase Price, shares of
          Common Stock (to the extent available) and then, if necessary, cash,
          which shares and/or cash have an aggregate value equal to the Spread.
          If the Board of Directors of the Company shall determine in good faith
          that it is likely that sufficient additional shares of Common Stock
          could be authorized for issuance upon exercise in full of the Rights,
          the thirty (30) day period set forth above may be extended to the
          extent necessary, but not more than ninety (90) days after the Section
          11(a)(ii) Trigger Date, in order that the Company may 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 to 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 in order 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 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 the Common Stock shall be the
          current market price (as determined pursuant to Section 11(d) hereof)
          per share of the Common Stock on the Section 11(a)(ii) Trigger Date
          and the value of any "common stock equivalent" shall be deemed to have
          the same value as the Common Stock on such date.



                                       22

<PAGE>   25



          (b) In case the Company shall fix a record date for the issuance of
rights (other than the Rights), options or warrants to all holders of Common
Stock entitling them to subscribe for or purchase (for a period expiring within
forty-five (45) calendar days after such record date) Common Stock (or shares
having the same rights, privileges and preferences as the shares of Common Stock
("equivalent Common Stock")) or securities convertible into Common Stock or
equivalent Common Stock at a price per share of Common Stock or per share of
equivalent Common Stock (or having a conversion price per share, if a security
convertible into Common Stock or equivalent Common Stock) less than the current
market price (as determined pursuant to Section 11(d) hereof) per share of
Common Stock on such record date, the Purchase Price to be in effect after such
record date shall be determined by multiplying the Purchase Price in effect
immediately prior to such record date by a fraction, the numerator of which
shall be the number of shares of Common Stock outstanding on such record date,
plus the number of shares of Common Stock which the aggregate of offering price
of the total number of shares of Common Stock and/or equivalent Common Stock so
to be offered (and/or the aggregate initial conversion price of the convertible
securities so to be offered) would purchase at such current market price, and
the denominator of which shall be the number of shares of Common Stock
outstanding on such record date, plus the number of additional shares of Common
Stock and/or equivalent Common Stock to be offered for subscription or purchase
(or into which the convertible securities so to be offered are initially
convertible). In case such subscription price may be paid by delivery of
consideration part or all of which may 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 and shall be binding on the Rights Agent and the
holders of the Rights. Shares of Common Stock owned by or held for the account
of the Company shall not be deemed outstanding for the purpose of any such
computation. Such adjustment shall be made successively whenever such a record
date is fixed, and in the event that such rights or warrants are not so issued,
the Purchase Price shall be adjusted to be the Purchase Price which would then
be in effect if such record date had not been fixed.



                                       23

<PAGE>   26



          (c) In case the Company shall fix a record date for a distribution to
all holders of Common Stock (including any such distribution made in connection
with a consolidation or merger in which the Company is the continuing
corporation) of evidences of indebtedness, cash (other than a regular quarterly
cash dividend out of the earnings or retained earnings of the Company), assets
(other than a dividend payable in Common Stock, but including any dividend
payable in stock other than Common Stock) 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 current market price (as determined pursuant to
Section 11(d) hereof) per share of Common Stock 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 cash, assets or evidences of indebtedness so
to be distributed or of such subscription rights or warrants applicable to a
share of Common Stock and the denominator of which shall be such current market
price (as determined pursuant to Section 11(d) hereof) per share of Common
Stock. 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 be adjusted to be the Purchase Price which would have been in effect
if such record date had not been fixed.

          (d) For the purpose of any computation hereunder, other than
computations made pursuant to Section 11(a)(iii) hereof, the "current market
price" per share of Common Stock on any date shall be deemed to be the average
of the daily closing prices per share of such Common Stock for the thirty (30)
consecutive Trading Days (as such term is hereinafter defined) immediately prior
to such date, and for purposes of computations made pursuant to Section
11(a)(iii) hereof, the "current market price" per share of Common Stock on any
date shall be deemed to be the average of the daily closing prices per share of
such Common Stock for the ten (10) consecutive Trading Days immediately
following such date; PROVIDED, however, that in the event that the current
market price per share of the Common Stock is determined during a period
following the announcement by the issuer of such Common Stock of (A) a dividend
or distribution on such


                                       24

<PAGE>   27



Common Stock payable in shares of such Common Stock or securities convertible
into shares of such Common Stock (other than the Rights), or (B) any
subdivision, combination or reclassification of such Common Stock, and prior to
the expiration of the requisite thirty (30) Trading Day or ten (10) Trading Day
period, as set forth above, 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 market price" shall
be properly adjusted to take into account ex-dividend trading. The closing price
for each day shall be the last sale price, regular way, or, in case no such sale
takes place on such day, the average of the closing bid and asked prices,
regular way, in either case as reported in the principal consolidated
transaction reporting system with respect to securities listed or admitted to
trading on the New York Stock Exchange or, if the shares of Common Stock are not
listed or admitted to trading on the New York Stock Exchange, as reported in the
principal consolidated transaction reporting system with respect to securities
listed on the principal national securities exchange on which the shares of
Common Stock are listed or admitted to trading or, if the shares of Common Stock
are not listed or admitted to trading on any national securities exchange, the
last quoted price or, if not so quoted, the average of the high bid and low
asked prices in the over-the-counter market, as reported by the National
Association of Securities Dealers, Inc. Automated Quotation System ("NASDAQ") or
such other system then in use, or, if on any such date the shares of Common
Stock 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 Stock selected by the Board of Directors of the Company. If on any
such date no market maker is making a market in the Common Stock, the fair value
of such shares on such date as determined in good faith by the Board of
Directors of the Company shall be used. The term "Trading Day" shall mean a day
on which the principal national securities exchange on which the shares of
Common Stock are listed or admitted to trading is open for the transaction of
business or, if the shares of Common Stock are not listed or admitted to trading
on any national securities exchange, a Business Day. If the Common Stock is not
publicly held or not so listed or traded, "current market price" per share shall
mean the fair value per share as determined in good faith by the Board of
Directors of the Company, whose determi-


                                       25

<PAGE>   28



nation shall be described in a statement filed with the Rights Agent and shall
be conclusive for all purposes.

          (e) Anything herein to the contrary notwithstanding, no adjustment in
the Purchase Price shall be required unless such adjustment would require an
increase or decrease of at least one percent (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 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
(3) years from the date of the transaction which mandates such adjustment, or
(ii) the Expiration Date.

          (f) If as a result of an adjustment made pursuant to Section 11(a)(ii)
or Section 13(a) hereof, the holder of any Right thereafter exercised shall
become entitled to receive any shares of capital stock other than Common Stock,
thereafter the number of such other shares so receivable upon exercise of any
Right and the Purchase Price thereof 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 Common Stock contained in Sections 11(a), (b),
(c), (e), (g), (h), (i), (j) and (l), and the provisions of Sections 7, 9, 10,
13 and 14 hereof with respect to the Common Stock shall apply on like terms to
any such other shares.

          (g) All Rights originally issued by the Company subsequent to any
adjustment made to the Purchase Price hereunder shall evidence the right to
purchase, at the adjusted Purchase Price, the number of shares of Common Stock
(or other consideration, as the case may be) 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
pur-


                                       26

<PAGE>   29



chase, at the adjusted Purchase Price, that number of shares of Common Stock
(calculated to the nearest one ten thousandth) 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 lieu of any adjustment in
the number of shares of Common Stock purchasable upon the exercise of a Right.
Each of the Rights outstanding after the adjustment in the number of Rights
shall be exercisable for the number of shares of Common Stock for which a Right
was exercisable immediately prior to such adjustment. Each Right held of record
prior to such adjustment of the number of Rights shall become that number of
Rights (calculated to the nearest 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 Rights Certificates have been issued, shall be at least ten (10) days
later than the date of the public announcement. If Rights 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 Rights Certificates on such record date Rights 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 Rights Certificates held by such holders
prior to the date of adjustment, and upon surrender thereof, if required by the
Company, new Rights Certificates evidencing all the Rights to which such holders
shall be entitled after such adjustment. Rights Certificates so to be
distributed shall be issued, executed and countersigned in the manner provided
for herein (and may bear, at the


                                       27

<PAGE>   30

option of the Company, the adjusted Purchase Price) and shall be registered in
the names of the holders of record of Rights 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 shares of Common Stock issuable upon the exercise of the Rights,
the Rights Certificates theretofore and thereafter issued may continue to
express the Purchase Price per share and the number of shares which were
expressed in the initial Rights Certificates issued hereunder.

          (k) 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 issuance to the holder of any Right exercised after such record date
the shares of Common Stock and other capital stock or securities of the Company,
if any, issuable upon such exercise over and above the shares of Common Stock
and other capital stock or securities of the Company, if any, issuable upon such
exercise on the basis of the Purchase Price in effect prior to such adjustment;
PROVIDED, however, that the Company shall deliver to such holder a due bill or
other appropriate instrument evidencing such holder's right to receive such
additional shares (fractional or otherwise) or securities upon the occurrence of
the event requiring such adjustment.

          (l) 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 in their good faith judgment the Board of Directors of the
Company shall determine to be advisable in order that any (i) consolidation or
subdivision of the Common Stock, (ii) issuance wholly for cash of any shares of
Common Stock at less than the current market price, (iii) issuance wholly for
cash of shares of Common Stock or securities which by their terms are
convertible into or exchangeable for shares of Common Stock, (iv) stock
dividends of the Company's Common Stock or (v) issuance of rights, options or
warrants referred to in this Section 11, hereafter made by the Company to
holders of its Common Stock shall not be taxable to such stockholders.



                                       28

<PAGE>   31



          (m) The Company covenants and agrees that it shall not, at any time
after the Distribution Date, (i) consolidate with any other Person (other than a
Subsidiary of the Company in a transaction which complies with Section 11(n)
hereof), (ii) merge with or into any other Person (other than a Subsidiary of
the Company in a transaction which complies with Section 11(n) hereof), or (iii)
sell or transfer (or permit any Subsidiary to sell or transfer), in one
transaction, or a series of related transactions, assets, cash flow or earning
power aggregating more than 50% of the assets, cash flow or earning power of the
Company and its Subsidiaries (taken as a whole) to any other Person or Persons
(other than the Company and/or any of its Subsidiaries in one or more
transactions each of which complies with Section 11(n) hereof), if (x) at the
time or immediately after such consolidation, merger, sale or transfer there are
any rights, warrants or other instruments or securities outstanding or
agreements in effect which would substantially diminish or otherwise eliminate
the benefits intended to be afforded by the Rights or (y) prior to,
simultaneously with or immediately after such consolidation, merger, sale or
transfer, the shareholders of the Person who constitutes, or would constitute,
the "Principal Party" for purposes of Section 13(a) hereof shall have received a
distribution of Rights previously owned by such Person or any of its Affiliates
and Associates.

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

     Section 12. CERTIFICATE OF ADJUSTED PURCHASE PRICE OR NUMBER OF SHARES.
Whenever an adjustment is made as provided in Section 11 and Section 13 hereof,
the Company shall (a) promptly prepare a certificate setting forth such
adjustment and a brief statement of the facts accounting for such adjustment,
(b) promptly file with the Rights Agent, and with each transfer agent for the
Common Stock, a copy of such certificate, and (c) mail a brief summary thereof
to each holder of a Rights Certificate (or, if prior to the Distribution Date,
to each holder of a certificate representing shares of Common Stock) in
accordance with Section 25 hereof. The Rights


                                       29

<PAGE>   32



Agent shall be fully protected in relying on any such certificate and on any
adjustment therein contained and shall not be deemed to have knowledge of such
adjustment unless and until it shall have received such certificate.

     Section 13. Consolidation, Merger or Sale or Transfer of Assets, Cash Flow
                 --------------------------------------------------------------
or Earning Power.
- ----------------

     (a) In the event that, following the Stock Acquisition Date, directly or
indirectly, (x) the Company shall consolidate with, or merge with and into, any
other Person (other than a Subsidiary of the Company in a transaction which
complies with Section 11(n) hereof), and the Company shall not be the continuing
or surviving corporation of such consolidation or merger, (y) any Person (other
than a Subsidiary of the Company in a transaction which complies with Section
11(n) hereof) shall consolidate with, or merge with or into, the Company, and
the Company shall be the continuing or surviving corporation of such
consolidation or merger and, in connection with such consolidation or merger,
all or part of the outstanding shares of Common Stock shall be changed into or
exchanged for stock or other securities of any other Person or cash or any other
property, or (z) the Company shall sell or otherwise transfer (or one or more of
its Subsidiaries shall sell or otherwise transfer), in one transaction or a
series of related transactions, assets, cash flow or earning power aggregating
more than 50% of the assets, cash flow or earning power of the Company and its
Subsidiaries (taken as a whole) to any Person or Persons (other than the Company
or any Subsidiary of the Company in one or more transactions each of which
complies with Section 11(n) hereof), then, and in each such case (except as may
be contemplated by Section 13(d) hereof), proper provision shall be made so
that: (i) each holder of a Right, except as provided in Section 7(e) hereof,
shall thereafter have the right to receive, upon the exercise thereof at the
then current Purchase Price in accordance with the terms of this Agreement, such
number of validly authorized and issued, fully paid, non-assessable and freely
tradeable shares of Common Stock of the Principal Party (as such term is
hereinafter defined), not subject to any liens, encumbrances, rights of first
refusal or other adverse claims, as shall be equal to the result obtained by (1)
multiplying the then current Purchase Price by the number of shares of Common
Stock for which a Right is exercisable immediately prior to the first occurrence
of a Section 13 Event (or, if a Section 11(a)(ii) Event has occurred


                                       30

<PAGE>   33



prior to the first occurrence of a Section 13 Event, multiplying the number of
such shares of Common Stock for which a Right was exercisable immediately prior
to the first occurrence of a Section 11(a)(ii) Event by the Purchase Price in
effect immediately prior to such first occurrence), and dividing that product
(which, following the first occurrence of a Section 13 Event, shall be referred
to as the "Purchase Price" for each Right and for all purposes of this
Agreement) by (2) 50% of the current market price (determined pursuant to
Section 11(d) hereof) per share of the Common Stock of such Principal Party on
the date of consummation of such Section 13 Event; (ii) such Principal Party
shall thereafter be liable for, and shall assume, by virtue of such Section 13
Event, all the obligations and duties of the Company pursuant to this Agreement;
(iii) the term "Company" shall thereafter be deemed to refer to such Principal
Party, it being specifically intended that the provisions of Section 11 hereof
shall apply only to such Principal Party following the first occurrence of a
Section 13 Event; (iv) such Principal Party shall take such steps (including,
but not limited to, the reservation of a sufficient number of shares of its
Common Stock) in connection with the consummation of any such transaction as may
be necessary to assure that the provisions hereof shall thereafter be
applicable, as nearly as reasonably may be, in relation to its shares of Common
Stock thereafter deliverable upon the exercise of the Rights; and (v) the
provisions of Section 11(a)(ii) hereof shall be of no effect following the first
occurrence of any Section 13 Event.

          (b) "Principal Party" shall mean

               (i) in the case of any transaction described in clause (x) or (y)
          of the first sentence of Section 13(a), the Person that is the issuer
          of any securities into which shares of Common Stock of the Company are
          converted in such merger or consolidation, and if no securities are so
          issued, the Person that is the other party to such merger or
          consolidation; and

               (ii) in the case of any transaction described in clause (z) of
          the first sentence of Section 13(a), the Person that is the party
          receiving the greatest portion of the assets, cash flow or earning
          power transferred pursuant to such transaction or transactions;



                                       31

<PAGE>   34




PROVIDED, however, that in any such case, (1) if the Common Stock of such Person
is not at such time and has not been continuously over the preceding twelve (12)
month period registered under Section 12 of the Exchange Act, and such Person is
a direct or indirect Subsidiary of another Person the Common Stock of which is
and has been so registered, "Principal Party" shall refer to such other Person;
and (2) in case such Person is a Subsidiary, directly or indirectly, of more
than one Person, the Common Stocks of two or more of which are and have been so
registered, "Principal Party" shall refer to whichever of such Persons is the
issuer of the Common Stock having the greatest aggregate market value.

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

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

               (ii) will deliver to holders of the Rights historical financial
          statements for the Principal Party and each of its Affiliates which
          comply in all respects with the requirements for registration on Form
          10 under the Exchange Act; and

               (iii) use its best efforts to qualify the Rights and the
          securities purchasable upon exercise of the 


                                       32

<PAGE>   35


          Rights for sale under the state securities or Blue Sky laws in all
          appropriate states.


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

          (d) Notwithstanding anything in this Agreement to the contrary,
Section 13 shall not be applicable to a transaction described in subparagraphs
(x) and (y) of Section 13(a) if (i) such transaction is consummated with a
Person or Persons who acquired shares of Common Stock pursuant to a tender offer
or exchange offer for all outstanding shares of Common Stock which complies with
the provisions of Section 11(a)(ii)(A) hereof (or a wholly owned subsidiary of
any such Person or Persons), (ii) the price per share of Common Stock offered in
such transaction is not less than the price per share of Common Stock paid to
all holders of shares of Common Stock whose shares were purchased pursuant to
such tender offer or exchange offer, and (iii) the form of consideration being
offered to the remaining holders of shares of Common Stock pursuant to such
transaction is the same as the form of consideration paid pursuant to such
tender offer or exchange offer. Upon consummation of any such transaction
contemplated by this Section 13(d), all Rights hereunder shall expire.

     Section 14. Fractional Rights and Fractional Shares.
                 ---------------------------------------
 
          (a) The Company shall not be required to issue fractions of Rights or
to distribute Rights Certificates which evidence fractional Rights. In lieu of
such fractional Rights, there shall be paid to the registered holders of the
Rights 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 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 of the Rights for any day shall be
the last sale price, regular way, or, in case no such sale takes


                                       33

<PAGE>   36



place on such day, the average of the closing bid and asked prices, regular way,
in either case as reported in the principal consolidated transaction reporting
system with respect to securities listed or admitted to trading on the New York
Stock Exchange or, if the Rights are not listed or admitted to trading on the
New York Stock Exchange, as reported in the principal consolidated transaction
reporting system with respect to securities listed on the principal national
securities exchange on which the Rights are listed or admitted to trading, or if
the Rights are not listed or admitted to trading on any national securities
exchange, the last quoted price or, if not so quoted, the average of the high
bid and low asked prices in the over-the-counter market, as reported by NASDAQ
or such other system then in use or, if on any such date the Rights are not
quoted by any such organization, the average of the closing bid and asked prices
as furnished by a professional market maker making a market in the Rights
selected by the Board of Directors of the Company. 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 shares of
Common Stock upon exercise of the Rights or to distribute certificates which
evidence fractional shares of Common Stock. In lieu of fractional shares of
Common Stock, the Company may pay to the registered holders of Rights
Certificates at the time such Rights are exercised as herein PROVIDED an amount
in cash equal to the same fraction of the current market value of one share of
Common Stock. For purposes of this Section 14(b), the current market value of
one share of Common Stock shall be the closing price of a share of Common Stock
(as determined pursuant to Section 11(d) hereof) for the Trading Day immediately
prior to the date of such exercise.

          (c) The holder of a Right by the acceptance of the Rights expressly
waives his right to receive any fractional Rights or any fractional shares upon
exercise of a Right, except as permitted by this Section 14.

     Section 15. RIGHTS OF ACTION. All rights of action in respect of this
Agreement, other than rights of action vested in the Rights Agent pursuant to
Section 18 hereof, are vested in the respective registered holders



                                       34

<PAGE>   37




of the Rights Certificates (and, prior to the Distribution Date, the registered
holders of the Common Stock); and any registered holder of any Rights
Certificate (or, prior to the Distribution Date, of the Common Stock), without
the consent of the Rights Agent or of the holder of any other Rights Certificate
(or, prior to the Distribution Date, of the Common Stock), 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 Rights
Certificate in the manner provided in such Rights 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
shall be entitled to specific performance of the obligations hereunder and
injunctive relief against actual or threatened violations of the obligations
hereunder of any Person subject to this Agreement. Holders of Rights shall also
be entitled to recover their reasonable attorney's fees incurred in enforcing
this Agreement.

     Section 16. AGREEMENT OF RIGHTS 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 Common Stock;

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

          (c) subject to Section 6(a) and Section 7(f) hereof, the Company 
and the Rights Agent may deem and treat the person in whose name a Rights 
Certificate (or, prior to the Distribution Date, the associated Common Stock 
cert-


                                       35

<PAGE>   38



ificate) is registered as the absolute owner thereof and of the Rights evidenced
thereby (notwithstanding any notations of ownership or writing on the Rights
Certificates or the associated Common Stock certificate made by anyone other
than the Company or the Rights Agent) for all purposes whatsoever, and neither
the Company nor the Rights Agent, shall be required to be affected by any notice
to the contrary; and

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

     Section 17. RIGHTS CERTIFICATE HOLDER NOT DEEMED A STOCKHOLDER. No holder,
as such, of any Rights Certificate shall be entitled to vote, receive dividends
or be deemed for any purpose the holder of the shares of Common Stock or any
other securities of the Company which may at any time be issuable on the
exercise of the Rights represented thereby, nor shall anything contained herein
or in any Rights Certificate be construed to confer upon the holder of any
Rights 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 Rights Certificate shall have been exercised in accordance with the
provisions hereof.

     Section 18. Concerning the Rights Agent.
                 ---------------------------

          (a) 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
disbursements and other disbursements incurred in the administration and
execution of this


                                       36

<PAGE>   39



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 gross negligence, bad faith or
willful misconduct on the part of the Rights Agent, for anything done or omitted
by the Rights Agent in connection with the acceptance and administration of this
Agreement, including the costs and expenses of defending against any claim of
liability in the premises.

          (b) 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 Rights
Certificate or certificate for Common Stock or for other securities of the
Company, instrument of assignment or transfer, power of attorney, endorsement,
affidavit, letter, notice, direction, consent, certificate, statement, or other
paper or document believed by it to be genuine and to be signed, executed and,
where necessary, verified or acknowledged, by the proper Person or Persons.

     Section 19. Merger or Consolidation or Change of Name of Rights Agent.
                 ---------------------------------------------------------
 
          (a) Any corporation into which the Rights Agent or any successor
Rights Agent may be merged or with which it may be consolidated, or any
corporation resulting from any merger or consolidation to which the Rights Agent
or any successor Rights Agent shall be a party, or any corporation succeeding to
the corporate trust or stock transfer 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, however, 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 Rights
Certificates shall have been countersigned but not delivered, any such successor
Rights Agent may adopt the countersignature of a predecessor Rights Agent and
deliver such Rights Certificates so countersigned; and in case at that time any
of the Rights Certificates shall not have been countersigned, any successor
Rights Agent may countersign such Rights Certificates


                                       37

<PAGE>   40



either in the name of the predecessor or in the name of the successor Rights
Agent; and in all such cases such Rights Certificates shall have the full force
PROVIDED in the Rights Certificates and in this Agreement.

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

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

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

          (b) Whenever in the performance of its duties under this Agreement the
Rights Agent shall deem it necessary or desirable that any fact or matter
(including, without limitation, the identity of any Acquiring Person and the
determination of "current market price") 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 the
Chairman of the Board, the President, any Vice President, the Treasurer, any
Assistant Treasurer, the Secretary or any Assistant 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 provi-


                                       38

<PAGE>   41



sions of this Agreement in reliance upon such certificate.

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

          (d) The Rights Agent shall not be liable for or by reason of any of
the statements of fact or recitals contained in this Agreement or in the Rights
Certificates or be required to verify the same (except as to its
countersignature on such Rights Certificates), 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 Rights Certificate (except its countersignature thereof); nor
shall it be responsible for any breach by the Company of any covenant or
condition contained in this Agreement or in any Rights Certificate; nor shall it
be responsible for any adjustment required under the provisions of Section 11 or
Section 13 hereof or responsible for the manner, method or amount of any such
adjustment or the ascertaining of the existence of facts that would require any
such adjustment (except with respect to the exercise of Rights evidenced by
Rights Certificates after receipt of the certificate described in Section 12
hereof setting forth any such adjustment); nor shall it by any act hereunder be
deemed to make any representation or warranty as to the authorization or
reservation of any shares of Common Stock or other securities to be issued
pursuant to this Agreement or any Rights Certificate or as to whether any shares
of Common Stock or other securities will, when so 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, assurances and information 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 


                                       39

<PAGE>   42


performance of its duties hereunder from the Chairman of the Board, the
President, any Vice President, the Secretary, any Assistant Secretary, the
Treasurer or any Assistant Treasurer of the Company, and to apply to such
officers for advice or instructions in connection with its duties, and it shall
not be liable for any action taken or suffered to be taken by it in good faith
in accordance with instructions of any such officer.

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

          (i) The Rights Agent may execute and exercise any of the rights or
powers hereby vested in it or perform any duty hereunder either itself or by or
through its attorneys or agents, and the Rights Agent 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, however, reasonable care was exercised in the
selection and continued employment thereof.

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

          (k) If, with respect to any Right Certificate surrendered to the
Rights Agent for exercise or transfer, the certificate attached to the form of
assignment or form of election to purchase, as the case may be, has either not
been completed or indicates an affirmative response to clause 1 and/or 2
thereof, the Rights Agent shall not take any further action with respect to such
requested exercise of transfer without first consulting with the Company.



                                       40

<PAGE>   43




     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 thirty (30) days' notice in writing mailed to the Company, and to each
transfer agent of the Common Stock, by registered or certified mail, and to the
holders of the Rights Certificates by first-class mail. The Company may remove
the Rights Agent or any successor Rights Agent upon thirty (30) days' notice in
writing, mailed to the Rights Agent or successor Rights Agent, as the case may
be, and to each transfer agent of the Common Stock, by registered or certified
mail, and to the holders of the Rights Certificates by first-class mail. If the
Rights Agent shall resign or be removed or shall otherwise become incapable of
acting, the Company shall appoint a successor to the Rights Agent. If the
Company shall fail to make such appointment within a period of thirty (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 Rights Certificate (who shall, with such notice, submit his
Rights Certificate for inspection by the Company), then any registered holder of
any Rights Certificate or the resigning or incapacitated Rights Agent 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) a corporation organized and doing business under the laws of
the United States or any state thereof in good standing, which is authorized
under such laws to exercise corporate trust 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
$100,000,000 or (b) an affiliate of a corporation described in clause (a) of
this sentence. 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 Stock, and mail a notice thereof in writing to the registered holders
of the Rights Certificates. Failure to give any


                                       41

<PAGE>   44



notice PROVIDED for in this Section 21, however, or any defect therein, shall
not affect the legality or validity of the resignation or removal of the Rights
Agent or the appointment of the successor Rights Agent, as the case may be.

     Section 22. ISSUANCE OF NEW RIGHTS CERTIFICATES. Notwithstanding any of the
provisions of this Agreement or of the Rights to the contrary, the Company may,
at its option, issue new Rights 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 Rights Certificates made in accordance with
the provisions of this Agreement. In addition, in connection with the issuance
or sale of shares of Common Stock following the Distribution Date and prior to
the redemption or expiration of the Rights, the Company (a) shall, with respect
to shares of Common Stock so issued or sold pursuant to the exercise of stock
options or under any employee plan or arrangement, or upon the exercise,
conversion or exchange of securities hereinafter issued by the Company, and (b)
may, in any other case, if deemed necessary or appropriate by the Board of
Directors of the Company, issue Rights Certificates representing the appropriate
number of Rights in connection with such issuance or sale; PROVIDED, however,
that (i) no such Rights Certificate shall be issued if, and to the extent that,
the Company shall be advised by counsel that such issuance would create a
significant risk of material adverse tax consequences to the Company or the
Person to whom such Rights Certificate would be issued, and (ii) no such Rights
Certificate shall be issued if, and to the extent that, appropriate adjustment
shall otherwise have been made in lieu of the issuance thereof.

     Section 23. Redemption and Termination.
                 --------------------------  

          (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 tenth day
following the Stock Acquisition Date (or, if the Stock Acquisition Date shall
have occurred prior to the Record Date, the close of business on the tenth day
following the Record Date), 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, as such amount may be appropriately adjusted to reflect any stock split,
stock dividend


                                       42

<PAGE>   45



or similar transaction occurring after the date hereof (such redemption price
being hereinafter referred to as the "Redemption Price"); PROVIDED, however, if
the Board of Directors of the Company authorizes redemption of the Rights in the
circumstances set forth in clause (A) below, then there must be Continuing
Directors then in office and such authorization shall require the concurrence of
a majority of such Continuing Directors: (A) such authorization occurs on or
after the date of a change (resulting from a proxy or consent solicitation) in a
majority of the directors in office at the commencement of such solicitation if
any Person who is a participant in such solicitation has stated (or, if upon the
commencement of such solicitation, a majority of the Board of Directors of the
Company has determined in good faith) that such Person (or any of its Affiliates
or Associates) intends to take, or may consider taking, any action which would
result in such Person becoming an Acquiring Person or which would cause the
occurrence of a Triggering Event unless, concurrent with such solicitation, such
Person (or one or more of its Affiliates or Associates) is making a cash tender
offer pursuant to a Schedule 14D-1 (or any successor form) filed with the
Securities and Exchange Commission for all outstanding shares of Common Stock
not beneficially owned by such Person (or by its Affiliates or Associates). If,
following the occurrence of a Stock Acquisition Date and following the
expiration of the right of redemption hereunder but prior to any Triggering
Event, (x) a Person who is an Acquiring Person shall have transferred or
otherwise disposed of a number of shares of Common Stock in one transaction or
series of transactions, not directly or indirectly involving the Company or any
of its Subsidiaries, which did not result in the occurrence of a Triggering
Event such that such Person is thereafter a Beneficial Owner of 10% or less of
the outstanding shares of Common Stock, and (y) there are no other Persons,
immediately following the occurrence of the event described in clause (x), 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 an event described in Section
11(a)(ii)(A) or (B) until such time as the Company's right of redemption
hereunder has expired. The Company may, at its option, pay the Redemption Price
in cash, shares of Common Stock (based on the "current market price", as defined
in Section 11(d) hereof, of the Common


                                       43

<PAGE>   46



Stock at the time of redemption) or any other form of consideration deemed
appropriate by the Board of Directors.

          (b) Immediately upon the action of the Board of Directors of the
Company ordering the redemption of the Rights, evidence of which shall have been
filed with the Rights Agent 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 for
each Right so held. Promptly after the action of the Board of Directors ordering
the redemption of the Rights, the Company shall give notice of such redemption
to the Rights Agent and the holders of the then outstanding Rights by mailing
such notice to all such holders at each holder's last address as it appears upon
the registry books of the Rights Agent or, prior to the Distribution Date, on
the registry books of the Transfer Agent for the Common Stock. Any notice which
is mailed in the 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.

     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 Common Stock or to make any other distribution to the holders of
Common Stock (other than a regular quarterly cash dividend out of earnings or
retained earnings of the Company), or (ii) to offer to the holders of Common
Stock rights or warrants to subscribe for or to purchase any additional shares
of Common Stock or shares of stock of any class or any other securities, rights
or options, or (iii) to effect any reclassification of its Common Stock (other
than a reclassification involving only the subdivision of outstanding shares of
Common Stock, or (iv) to effect any consolidation or merger into or with any
other Person (other than a Subsidiary of the Company in a transaction which
complies with Section 11(n) hereof), 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 transaction or a series of related transactions, of more than 50% of the
assets, cash flow or earning power of the Company and its Subsidiaries (taken as
a whole) to any other Person or Persons (other


                                       44

<PAGE>   47



than the Company and/or any of its Subsidiaries in one or more transactions each
of which complies with Section 11(n) hereof), or (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 Rights Certificate, to the extent feasible and 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, 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 shares of Common
Stock, if any such date is to be fixed, and such notice shall be so given in the
case of any action covered by clause (i) or (ii) above at least twenty (20) days
prior to the record date for determining holders of the shares of Common Stock
for purposes of such action, and in the case of any such other action, at least
twenty (20) days prior to the date of the taking of such proposed action or the
date of participation therein by the holders of the shares of Common Stock
whichever shall be the earlier.

          (b) In case any of the events set forth in Section 11(a)(ii) hereof
shall occur, then, in any such case, (i) the Company shall as soon as
practicable thereafter give to each holder of a Rights Certificate, to the
extent feasible and in accordance with Section 25 hereof, a notice of the
occurrence of such event, which shall specify the event and the consequences of
the event to holders of Rights under Section 11(a)(ii) hereof.

     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 Rights 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:

                           Primark Corporation
                           1000 Winter Street
                           Suite 4300N
                           Waltham, MA  02154-1248
                           Attention:  Corporate Secretary

Subject to the provisions of Section 21, any notice or demand authorized by this
Agreement to be given or made 

                                       45

<PAGE>   48

by the Company or by the holder of any Rights 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:

                           First National Bank of Boston
                           150 Royall Street
                           Canton, MA  02021
                           Attention:

Notices or demands authorized by this Agreement to be given or made by the
Company or the Rights Agents to the holder of any Rights Certificate (or, if
prior to the Distribution Date, to the holder of certificates representing
shares of Common Stock) shall be sufficiently given or made if sent by
first-class mail, postage pre-paid, addressed to such holder at the address of
such holder as shown on the registry books of the Company.

     Section 26. SUPPLEMENTS AND AMENDMENTS. Prior to the Distribution Date, the
Company and the Rights Agent shall, if the Company so directs, supplement or
amend any provision of this Agreement without the approval of any holders of
certificates representing shares of Common Stock. From and after the
Distribution Date, the Company and the Rights Agent shall, if the Company so
directs, supplement or amend this Agreement without the approval of any holders
of Rights Certificates in order (i) to cure any ambiguity, (ii) to correct or
supplement any provision contained herein which may be defective or inconsistent
with any other provisions herein, (iii) to shorten or lengthen any time period
hereunder including, without limitation, the time period set forth in the first
sentence of Section 3(a) hereof, (which lengthening or shortening, following the
first occurrence of an event set forth in clause (A) of the first provision to
Section 23(a) hereof, shall be effective only if there are Con- tinuing
Directors and provided, that the time period set forth in the first sentence of
Section 3(a) shall only be lengthened or shortened at the same time and for the
same period as the time period set forth in Section 23(a) hereof), or (iv) to
change or supplement the provisions hereunder in any manner which the Company
may deem necessary or desirable and which shall not adversely affect the
interests of the holders of Rights Certificates (other than an Acquiring Person
or an Affiliate or Associate of any such Person); PROVIDED, from and after the
Distribution Date this Agreement may not be supplemented


                                       46

<PAGE>   49



or amended to lengthen, pursuant to clause (iii) of this sentence unless such
lengthening is for the purpose of protecting, enhancing or clarifying the rights
of, and/or the benefits to, the holders of Rights. Upon the delivery of a
certificate from an appropriate officer of the Company which states that the
proposed supplement or amendment is in compliance with the terms of this Section
26, the Rights Agent shall execute such supplement or amendment. Prior to the
Distribution Date, the interests of the holders of Rights shall be deemed
coincident with the interests of the holders of Common Stock.

     Section 27. 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. DETERMINATIONS AND ACTIONS BY THE BOARD OF DIRECTORS, ETC. For
all purposes of this Agreement, any calculation of the number of shares of
Common Stock outstanding at any particular time, including for purposes of
determining the particular percentage of such outstanding shares of Common Stock
of which any Person is the Beneficial Owner, shall be made in accordance with
the last sentence of Rule 13d-3(d)(1)(i) of the General Rules and Regulations
under the Exchange Act. The Board of Directors of the Company (or, as set forth
herein, certain specified members thereof) shall have the exclusive power and
authority to administer this Agreement and to exercise all rights and powers
specifically granted to the Board of Directors of the Company (or, as set forth
herein, certain specified members thereof) or to 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, but not limited to, a
determination to redeem or not redeem the Rights or to amend this 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 of Directors of the Company (or, as set
forth herein, certain specified members thereof) in good faith, shall (x) be
final, conclusive and binding on the Company, the Rights Agent, the holders of
the Rights and all other parties, and (y) not subject the Board of Directors of



                                       47

<PAGE>   50



the Company (or, as set forth herein, certain specified members thereof) to any
liability to the holders of the Rights.

          Section 29. BENEFITS OF THIS AGREEMENT. Nothing in this Agreement
shall be construed to give to any Person other than the Company, the Rights
Agent and the registered holders of the Rights Certificates (and, prior to the
Distribution Date, registered holders of the Common Stock) any legal or
equitable right, remedy or claim under this Agreement; but this Agreement shall
be for the sole and exclusive benefit of the Company, the Rights Agent and the
registered holders of the Rights Certificates (and, prior to the Distribution
Date, registered holders of the Common Stock).

          Section 30. SEVERABILITY. If any term, provision, covenant or
restriction of this Agreement is held by a court of competent jurisdiction or
other authority to be invalid, void or unenforceable, the remainder of the
terms, provisions, covenants and restrictions of this Agreement shall remain in
full force and effect and shall in no way be affected, impaired or invalidated;
PROVIDED, HOWEVER, that notwithstanding anything in this Agreement to the
contrary, if any such term, provision, covenant or restriction is held by such
court or authority to be invalid, void or unenforceable and the Board of
Directors of the Company determines in its good faith judgment that severing the
invalid language from this Agreement would adversely affect the purpose or
effect of this Agreement, the right of redemption set forth in Section 23 hereof
shall be reinstated and shall not expire until the close of business on the
tenth day following the date of such determination by the Board of Directors of
the Company. Without limiting the foregoing, if any provision requiring that
determination be made by less than the entire Board of Directors of the Company
(or at a time or with the concurrence of a group of directors consisting of less
than the entire Board) is held by a court of competent jurisdiction or other
authority to be invalid, void or unenforceable, such determination shall then be
made by the Board in accordance with applicable law and the Company's Articles
of Incorporation and By-laws.

     Section 31. GOVERNING LAW. This Agreement, each Right and each Rights
Certificate issued hereunder shall be deemed to be a contract made under the
laws of the State of Michigan and for all purposes shall be governed by and
construed in accordance with the laws of such State applicable to contracts made
and to be performed entirely within such State.

                                       48

<PAGE>   51





     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.

     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.






                                       49

<PAGE>   52



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


Attest:                                     PRIMARK CORPORATION                
                                               
                                               
By  /s/ M.R. KARGULA                            By /s/ JOSEPH E. KASPUTYS
    ------------------------------------        -------------------------------
    Name: M.R. Kargula                          Name:   J.E. Kasputys
    Title: Senior Vice President,               Title:  President
           General Counsel and Secretary               


                                               
                                               
Attest:                                     BankBoston, N.A.
                                               
                                               
By  /s/ TYLER HAYNES                        By /s/ MICHAEL LAPOLLA
    -----------------------------------     -----------------------------------
    Name:                                   Name:
    Title:                                  Title:
                                           






                                       50

<PAGE>   53


                                                                       Exhibit A
                                                                       ---------


                          [Form of Rights Certificate]


Certificate No. R-                                              _______ Rights


NOT EXERCISABLE AFTER JANUARY 28, 2008 OR EARLIER IF REDEEMED BY THE COMPANY.
THE RIGHTS ARE SUBJECT TO REDEMPTION, AT THE OPTION OF THE COMPANY, AT $.01 PER
RIGHT ON THE TERMS SET FORTH IN THE RIGHTS AGREEMENT. UNDER CERTAIN
CIRCUMSTANCES, RIGHTS BENEFICIALLY OWNED BY AN ACQUIRING PERSON (AS SUCH TERM IS
DEFINED IN THE RIGHTS AGREEMENT) AND ANY SUBSEQUENT HOLDER OF SUCH RIGHTS MAY
BECOME NULL AND VOID. [THE RIGHTS REPRESENTED BY THIS RIGHTS CERTIFICATE ARE OR
WERE BENEFICIALLY OWNED BY A PERSON WHO WAS OR BECAME AN ACQUIRING PERSON OR AN
AFFILIATE OR ASSOCIATE OF AN ACQUIRING PERSON (AS SUCH TERMS ARE DEFINED IN THE
RIGHTS AGREEMENT). ACCORDINGLY, THIS RIGHTS CERTIFICATE AND THE RIGHTS
REPRESENTED HEREBY MAY BECOME NULL AND VOID IN THE CIRCUMSTANCES SPECIFIED IN
SECTION 7(e) OF SUCH AGREEMENT.](1)

                               Rights Certificate

                               PRIMARK CORPORATION


          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
Primark Corporation, a Michigan corporation (the "Company"), and BankBoston,
N.A., a national trust company (the "Rights Agent"), to purchase from the
Company at any time prior to 5:00 P.M. (New York City time) on January 25, 2008
at the office or offices of the Rights Agent designated for such purpose, or its
successors as Rights Agent, one fully paid, nonassessable share of

- -------- 

(1)  The portion of the legend in brackets shall be inserted only if applicable
     and shall replace the preceding sentence.




<PAGE>   54



Common Stock, without par value, (the "Common Stock"), of the Company, at a
purchase price of $138.00 per share (the "Purchase Price"), upon presentation
and surrender of this Rights Certificate with the Form of Election to Purchase
and related Certificate duly executed. The Purchase Price may be paid in cash or
by certified bank check or money order payable to the order of the Company. The
number of Rights evidenced by this Rights Certificate (and the number of shares
which may be purchased upon exercise thereof) set forth above, and the Purchase
Price per share set forth above, are the number and Purchase Price as of [ ],
based on the Common Stock as constituted at such date.

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

          As provided in the Rights Agreement, the Purchase Price and the number
and kind of shares of Common Stock or other securities, which may be purchased
upon the exercise of the Rights evidenced by this Rights Certificate are subject
to modification and adjustment upon the happening of certain events, including
Triggering Events (as such term is defined in the Rights Agreement).

          This Rights Certificate is subject to all of the terms, provisions and
conditions of the Rights Agreement, which terms, provisions and conditions are
hereby incorporated herein by reference and made a part hereof and to which
Rights Agreement reference is hereby made for a full description of the rights,
limitations of rights, obligations, duties and immunities hereunder of the
Rights Agent, the Company and the holders of the Rights Certificates, which
limitations of rights include the temporary suspension of the exercisability of
such Rights under the specific circumstances set forth in the Rights Agreement.
Copies of the Rights Agreement are on file at the above-mentioned


                                        2

<PAGE>   55



office of the Rights Agent and are also available upon written request to the
Rights Agent.

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

          Subject to the provisions of the Rights Agreement, the Rights
evidenced by this Certificate may be redeemed by the Company at its option at a
redemption price of $.01 per Right at any time prior to the earlier of the close
of business on (i) the tenth day following the Stock Acquisition Date (as such
time period may be extended pursuant to the Rights Agreement), and (ii) the
Expiration Date. Under certain circumstances set forth in the Rights Agreement,
the decision to redeem shall require the concurrence of a majority of the
Continuing Directors. After the expiration of the redemption period, the
Company's right of redemption may be reinstated if an Acquiring Person reduces
his beneficial ownership to 10% or less of the outstanding shares of Common
Stock in a transaction or series of transactions not involving the Company.

          No fractional shares of Common Stock will be issued upon the exercise
of any Right or Rights evidenced hereby, but in lieu thereof a cash payment will
be made, as provided in the Rights Agreement.

          No holder of this Rights Certificate, as such, shall be entitled to
vote or receive dividends or be deemed for any purpose the holder of shares of
Common Stock or of any other securities of the Company which may at any time be
issuable on the exercise hereof, nor shall anything contained in the Rights
Agreement or herein be construed to confer upon the holder hereof, as such, any
of the rights of a stockholder of the Company or any right to vote for the
election of directors or upon any matter submitted to stock-


                                        3

<PAGE>   56



holders 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
Rights Certificate shall have been exercised as PROVIDED in the Rights
Agreement.

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

          WITNESS the facsimile signature of the proper officers of the Company
and its corporate seal.



Dated as of                          , 19
            ---------------------  --    --

ATTEST:                                     PRIMARK CORPORATION


                                            By
- --------------------------------------         ---------------------------------
Secretary                                      Title:


Countersigned:

BankBoston, N.A.


By 
   -----------------------------------
   Authorized Signature




                                        4

<PAGE>   57



                  [Form of Reverse Side of Rights Certificate]


                               FORM OF ASSIGNMENT
                               ------------------


                (To be executed by the registered holder if such
               holder desires to transfer the Rights Certificate.)


FOR VALUE RECEIVED 
                   -------------------------------------------------------------

hereby sells, assigns and transfers unto 
                                        ----------------------------------------


- --------------------------------------------------------------------------------
    (Please print name and address of transferee)

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


Dated as of                          , 19
            ---------------------  --    --




                                              ----------------------------------
                                              Signature

Signature Guaranteed:



                                   Certificate
                                   -----------

          The undersigned hereby certifies by checking the appropriate boxes
that:

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

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

Dated as of                          , 19       --------------------------------
            ---------------------  --    --     Signature                    
                                            

Signature Guaranteed:


                                       5

<PAGE>   58



                                     NOTICE
                                     ------

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



                                        6

<PAGE>   59



                          FORM OF ELECTION TO PURCHASE
                          ----------------------------

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


To:  PRIMARK CORPORATION:

          The undersigned hereby irrevocably elects to exercise __________
Rights represented by this Rights Certificate to purchase the shares of Common
Stock issuable upon the exercise of the Rights (or such other securities of the
Company or of any other person which may be issuable upon the exercise of the
Rights) and requests that certificates for such shares be issued in the name of
and delivered to:

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
Rights Certificate, a new Rights Certificate for the balance 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 as of                          , 19
            ---------------------  --    --


                                              ----------------------------------
                                              Signature


Signature Guaranteed:


                                        7

<PAGE>   60


                                   Certificate
                                   -----------

          The undersigned hereby certifies by checking the appropriate boxes
that:

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

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

Dated as of                          , 19       --------------------------------
            ---------------------  --    --     Signature                    

Signature Guaranteed:


                                        8

<PAGE>   61



                                     NOTICE
                                     ------

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



                                        9

<PAGE>   62



                                                                       Exhibit B
                                                                       ---------

                          SUMMARY OF RIGHTS TO PURCHASE
                                  COMMON STOCK

          On May 28, 1997, the Board of Directors of Primark Corporation (the
"Company") declared a dividend distribution of one Right for each outstanding
share of the Company's common stock, no par value (the "Common Stock"), to
stockholders of record at the close of business on the expiration date of the
prior Rights Plan. Each Right entitles the registered holder to purchase from
the Company one share of Common Stock at a price (the "Purchase Price") of
$138.00, subject to adjustment. The description and terms of the Rights are set
forth in a Rights Agreement (the "Rights Agreement") between the Company and
BankBoston, N.A., as Rights Agent.

          Initially, the Rights will be attached to all Common Stock
certificates representing shares then outstanding, and no separate Rights
Certificates will be distributed. The Rights will separate from the Common Stock
and a Distribution Date will occur upon the earlier of (i) 10 days following a
public announcement that a person or group of affiliated or associated persons
(an "Acquiring Person") has acquired, or obtained the right to acquire,
beneficial ownership of 15% or more of the outstanding shares of Common Stock
(the "Stock Acquisition Date"), other than as a result of repurchases of Stock
by the Company or certain inadvertent actions by institutional or certain other
stockholders or (ii) 10 business days following the commencement of a tender
offer or exchange offer that would result in a person or group beneficially
owning 15% or more of such outstanding shares of Common Stock unless such
Distribution Date is delayed by the Board of Directors of the Company in
conjunction with the extension of the redemption period described below.

          Until the Distribution Date, (i) the Rights will be evidenced by the
Common Stock certificates and will be transferred with and only with such Common
Stock certificates, (ii) new Common Stock certificates issued after January 25,
1998 will contain a notation incorporating the Rights Agreement by reference and
(iii) the surrender for transfer of any certificates for Common Stock
outstanding will also constitute the transfer of the Rights associated with the
Common Stock represented by such certificate.


<PAGE>   63



          The Rights are not exercisable until the Distribution Date and will
expire at the close of business on January 25, 2008, unless, in either case,
earlier redeemed by the Company as described below.

          As soon as practicable after the Distribution Date, Rights
Certificates will be mailed to holders of record of the Common Stock as of the
close of business on the Distribution Date and, thereafter, the separate Rights
Certificates alone will represent the Rights. Except as otherwise determined by
the Board of Directors, only shares of Common Stock issued prior to the
Distribution Date will be issued with Rights.

          In the event that, at any time following the Distribution Date, (i) a
Person becomes the beneficial owner of more than 15% of the then outstanding
shares of Common Stock (except pursuant to an offer for all outstanding shares
of Common Stock which the independent directors determine to be fair and
adequate to and otherwise in the best interests of the Company and its
shareholders), or (ii) an Acquiring Person engages in one or more "self-dealing"
transactions as set forth in the Rights Agreement, each holder of a Right will
thereafter have the right to receive, upon exercise, one share of Common Stock
(or, in certain circumstances, cash, property or other securities of the
Company) in exchange for 10% of the then current market price of the Common
Stock as calculated pursuant to the Rights Agreement. 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
Rights Agreement) were, beneficially owned by any Acquiring Person will be null
and void. However, Rights are not exercisable following the occurrence of any of
the events set forth above until such time as the Rights are no longer
redeemable by the Company as set forth below.

          In the event that, at any time following the Stock Acquisition Date,
(i) the Company is acquired in a merger or other business combination
transaction in which the Company is not the surviving corporation (other than a
merger which follows an offer described in the preceding paragraph), or (ii)
subject to certain specified exceptions 50% or more of the Company's assets,
cash flow 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. The events set forth in this


                                        2

<PAGE>   64



paragraph and in the preceding paragraph are referred to as the "Triggering
Events."

          The Purchase Price payable, and the number of shares of Common Stock
or other securities or property issuable, upon exercise of the Rights are
subject to adjustment from time to time to prevent dilution (i) in the event of
a stock dividend on, or a subdivision, combination or reclassification of, the
Common Stock, (ii) if holders of the Common Stock are granted certain rights or
warrants to subscribe for Common Stock or convertible securities at less than
the current market price of the Common Stock, or (iii) upon the distribution to
holders of the Common Stock of evidences of indebtedness or assets (excluding
regular quarterly cash dividends) or of subscription rights or warrants (other
than those referred to above).

          With certain exceptions, no adjustment in the Purchase Price will be
required until cumulative adjustments amount to at least 1% of the Purchase
Price. No fractional shares of Common Stock will be issued and, in lieu thereof,
an adjustment in cash will be made based on the market price of the shares of
Common Stock on the last trading date prior to the date of exercise.

          In general, the Company may redeem the Rights in whole, but not in
part, at a price of $.01 per Right, at any time until ten days following the
Stock Acquisition Date. At any time prior to the expiration of the redemption
period, the Board of Directors may extend the redemption period (and, in
connection therewith, delay the Distribution Date) for such time as they deem
appropriate. Under certain circumstances set forth in the Rights Agreement, the
decision to redeem shall require the concurrence of a majority of the Continuing
Directors. After the redemption period has expired, the Company's right of
redemption may be reinstated if an Acquiring Person reduces his beneficial
ownership to 10% or less of the outstanding shares of Common Stock in a
transaction or series of transactions not involving the Company. Immediately
upon the action of the Board of Directors ordering redemption with, where
required, the concurrence of the Continuing Directors, of the Rights, the Rights
will terminate and the only right of the holders of Rights will be to receive
the $.01 redemption price.

          The term "Continuing Directors" means any member of the Board of
Directors who was a member of the Board prior to the date of the Rights
Agreement, and any person who is subsequently elected to the Board if such
person is


                                        3

<PAGE>   65



recommended or approved by a majority of the Continuing Directors, but shall not
include an Acquiring Person, or an affiliate or associate of such Acquiring
Person or any representative of the foregoing entities.

          Until a Right is exercised, the holder thereof, as such, will have no
rights as a shareholder of the Company, including, without limitation, the right
to vote or to receive dividends. While the distribution of the Rights will not
be taxable to shareholders or to the Company, shareholders may, depending upon
the circumstances, recognize taxable income in the event that a Triggering Event
should occur.

          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 certain circumstances, with the concurrence of the Continuing
Directors) 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 adjust the time period
governing redemption shall be made at such time as the Rights are not
redeemable.

          A copy of the Rights Agreement has been filed with the Securities and
Exchange Commission as an Exhibit to a Current Report on Form 8-K. A copy of the
Rights Agreement is available free of charge from the Rights Agent. 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 incorporated herein
by reference.




                                        4



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