NATIONAL CONVENIENCE STORES INC /DE/
8-A12B, 1995-09-01
CONVENIENCE STORES
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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 (g) OF THE
                        SECURITIES EXCHANGE ACT OF 1934



                    NATIONAL CONVENIENCE STORES INCORPORATED
             (Exact name of registrant as specified in its charter)

            DELAWARE                                   74-1361734
(State of incorporation or organization)    (I.R.S. Employer Identification No.)


         100 WAUGH DRIVE
          HOUSTON, TEXAS                                  77007
(Address of principal executive offices)                (Zip Code)


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


<TABLE>
<CAPTION>
             Title of each class                               Name of each exchange on which
             to be so registered                               each class is to be registered   
             -------------------                            ------------------------------------
      <S>                                                      <C>
      RIGHTS TO PURCHASE PREFERRED STOCK                       NEW YORK STOCK EXCHANGE, INC.
</TABLE>

        If this Form relates to the registration of a class of debt securities
and is effective upon filing pursuant to General Instruction A.(c)(1), please
check the following box. [  ]

        If this Form relates to the registration of a class of debt securities
and is to become effective simultaneously with the effectiveness of a
concurrent registration statement under the Securities Act of 1933 pursuant to
General Instruction A.(c)(2), please check the following box. [  ]

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

                                      NONE
                                (Title of Class)



<PAGE>   2
ITEM 1.  DESCRIPTION OF REGISTRANT'S SECURITIES TO BE REGISTERED

         On August 31, 1995, the Board of Directors of National Convenience
Stores Incorporated (the "Company") declared a dividend of one Right for each
outstanding share of the Company's Common Stock, par value $.01 per share
("Common Stock"), payable on September 11, 1995 to stockholders of record at
the close of business on that date.  Each Right entitles the registered holder
to purchase from the Company a unit consisting of one one-hundredth of a share
(a "Unit") of Series A Junior Participating Preferred Stock, par value $1.00
per share (the "Preferred Stock"), at a Purchase Price of $55 per Unit, subject
to adjustment.  The description and terms of the Rights are set forth in a
Rights Agreement dated as of August 31, 1995 (the "Rights Agreement") between
the Company and Boatmen's Trust Company, as Rights Agent.

         Initially, the Rights will be attached to all certificates
representing outstanding shares of Common Stock, 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) ten 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 10% or more of the outstanding shares of
Common Stock (the date of the announcement being the "Stock Acquisition Date"),
or (ii) ten business days (or such later date as may be determined by the
Company's Board of Directors before the Distribution Date occurs) following the
commencement of a tender offer or exchange offer that would result in a
person's becoming an Acquiring Person.  Until the Distribution Date, (a) the
Rights will be evidenced by the Common Stock certificates (together with a copy
of the Summary of Rights or bearing the notation referred to below) and will be
transferred with and only with such Common Stock certificates, (b) new Common
Stock certificates issued after September 11, 1995 will contain a notation
incorporating the Rights Agreement by reference and (c) the surrender for
transfer of any certificate for Common Stock outstanding (with or without a
copy of the Summary of Rights) will also constitute the transfer of the Rights
associated with the Common Stock represented by such certificate.

         The Company, its subsidiaries and their employee benefit plans will
not at any time be deemed Acquiring Persons.

         The Rights are not exercisable until the Distribution Date and will
expire at the close of business on August 31, 2005, unless earlier redeemed or
exchanged by the Company as described below.  Pursuant to the Rights Agreement,
the Company reserves the right to require prior to the occurrence of a
Triggering Event (as defined below) that, upon any exercise of Rights, a number
of Rights be exercised so that only whole shares of Preferred Stock will be
issued.





                                      -2-
<PAGE>   3
         As soon as practicable after the Distribution Date, Rights
Certificates will be mailed to holders of record of Common Stock as of the
close of business on the Distribution Date and, from and after the Distribution
Date, the separate Rights Certificates alone will represent the Rights.  All
shares of Common Stock issued prior to the Distribution Date will be issued
with Rights. Shares of Common Stock issued after the Distribution Date in
connection with certain employee benefit plans or upon exercise or conversion
of certain securities will be issued with Rights.  Except as otherwise
determined by the Board of Directors, no other shares of Common Stock issued
after the Distribution Date will be issued with Rights.

         In the event (a "Flip-In Event") that a Person becomes an Acquiring
Person, each holder of a Right will thereafter have the right to receive, upon
exercise of such Right, a number of shares of Common Stock (or, in certain
circumstances, cash, property or other securities of the Company) having a
Current Market Price (as defined in the Rights Agreement) equal to two times
the exercise price of the Right.  Notwithstanding any of the foregoing,
following the occurrence of any Flip-In Event, all Rights that are, or (under
certain circumstances specified in the Rights Agreement) were, beneficially
owned by any Acquiring Person (or by certain related parties) will be null and
void in the circumstances set forth in the Rights Agreement.  However, Rights
are not exercisable following the occurrence of any Flip-In Event until such
time as the Rights are no longer redeemable by the Company as set forth below.

         For example, at an exercise price of $55 per Right, each Right not
owned by an Acquiring Person (or by certain related parties) following an event
set forth in the preceding paragraph would entitle its holder to purchase $110
worth of Common Stock (or other consideration, as noted above), based upon its
Current Market Price, for $55.  Assuming that the Common Stock had a Current
Market Price of $22 per share at such time, the holder of each valid Right
would be entitled to purchase 5 shares of Common Stock for $55.

         In the event (a "Flip-Over Event") that, at any time on or after the
Stock Acquisition Date, (i) the Company is acquired in a merger or other
business combination transaction or (ii) 50% or more of the Company's assets or
earning power is sold or transferred, each holder of a Right (except Rights
that previously have been voided as set forth above) shall thereafter have the
right to receive, upon exercise, a number of shares of common stock of the
acquiring company having a Current Market Price equal to two times the exercise
price of the Right.  Flip-In Events and Flip-Over Events are collectively
referred to as "Triggering Events."

         The Purchase Price payable, and the number of Units of Preferred Stock
or other securities or property issuable, upon exercise of the Rights are
subject to adjustment from time to time to prevent dilution (i) in the event of
a stock dividend on, or a subdivision, combination or reclassification of, the
Preferred Stock, (ii) if holders of the Preferred Stock are granted certain
rights or warrants to subscribe for Preferred Stock or convertible securities
at less than the current market price of the Preferred Stock, or (iii) upon the
distribution to holders of the





                                      -3-
<PAGE>   4
Preferred Stock of evidences of indebtedness or assets (excluding regular
quarterly cash dividends) or of subscription rights or warrants (other than
those referred to above).

         The number of outstanding Rights and the number of Units issuable upon
exercise of each Right are also subject to adjustment in the event of a stock
split of the Common Stock or a stock dividend on the Common Stock payable in
shares of Common Stock or subdivisions, consolidations or combinations of the
Common Stock occurring, in any such case, prior to the Distribution Date.

         The shares of Preferred Stock purchasable upon exercise of the Rights
will not be redeemable.  Each share of Preferred Stock will be entitled to a
minimum preferential quarterly dividend payment of $1 per share but will be
entitled to an aggregate dividend of 100 times the dividend declared per share
of Common Stock.  In the event of liquidation, the holders of the Preferred
Stock will be entitled to a minimum preferential liquidation payment of $100
per share but will be entitled to an aggregate payment of 100 times the payment
made per share of Common Stock.  Each share of Preferred Stock will have 100
votes, voting together with the Common Stock.  Finally, in the event of any
merger, consolidation or other transaction in which shares of Common Stock are
exchanged, each share of Preferred Stock will be entitled to receive 100 times
the amount received per share of Common Stock.  These rights are protected by
customary antidilution provisions.

         Because of the nature of the Preferred Stock's dividend, liquidation
and voting rights, the value of the one one-hundredth interest in a share of
Preferred Stock purchasable upon exercise of each Right should approximate the
value of one share of Common Stock.

         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 Units will be issued and, in lieu thereof, an adjustment
in cash will be made based on the market price of the Preferred Stock on the
last trading date prior to the date of exercise.

         At any time until ten days following the Stock Acquisition Date, the
Company may redeem the Rights in whole, but not in part, at a price of $.01 per
Right, payable, at the option of the Company, in cash, shares of Common Stock
or such other consideration as the Board of Directors may determine.
Immediately upon the effectiveness of the action of the Board of Directors
ordering redemption of the Rights, the Rights will terminate and the only right
of the holders of Rights will be to receive the $.01 redemption price.

         At any time after the occurrence of a Flip-In Event, the Company may
exchange the Rights (other than Rights owned by an Acquiring Person or an
affiliate or an associate of an Acquiring Person, which will have become void),
in whole or in part, at an exchange ratio of





                                      -4-
<PAGE>   5
one share of Common Stock, and/or other equity securities deemed to have the
same value as one share of Common Stock, per Right, subject to adjustment.

         Until a Right is exercised, the holder thereof, as such, will have no
rights as a stockholder of the Company, including, without limitation, the
right to vote or to receive dividends.  While the distribution of the Rights
will not be taxable to stockholders or to the Company, stockholders may,
depending upon the circumstances, recognize taxable income in the event that
the Rights become exercisable for Common Stock (or other consideration) of the
Company or for the common stock of the acquiring company as set forth above or
are exchanged as provided in the preceding paragraph.

         Other than those provisions relating to the principal economic terms
of the Rights, any of the provisions of the Rights Agreement may be amended by
the Board of Directors of the Company prior to the Distribution Date.
Thereafter, the provisions of the Rights Agreement may be amended by the Board
of Directors in order to cure any ambiguity, defect or inconsistency, to make
changes that do not materially adversely effect the interests of holders of
Rights (excluding the interests of any Acquiring Person and certain related
parties), or to shorten or lengthen any time period under the Rights Agreement;
provided, however, that no amendment to lengthen the time period governing
redemption shall be made 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 this Registration Statement on Form 8-A.
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.

ITEM 2.  EXHIBITS

         I.1     Rights Agreement dated as of August 31, 1995 between National
                 Convenience Stores Incorporated and Boatmen's Trust Company as
                 Rights Agent, which includes as Exhibit A the form of
                 Certificate of Designations of Series A Junior Participating
                 Preferred Stock of National Convenience Stores Incorporated
                 setting forth the terms of the Preferred Stock, as Exhibit B
                 the form of Rights Certificate and as Exhibit C the Summary of
                 Rights to Purchase Preferred Stock.  Pursuant to the Rights
                 Agreement, Certificates will not be mailed until after the
                 Distribution Date (as defined in the Rights Agreement).





                                      -5-
<PAGE>   6
                                   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.

Date:  August 31, 1995

                                      NATIONAL CONVENIENCE STORES
                                       INCORPORATED



                                      By: /s/ A. J. GALLERANO
                                          --------------------------------------
                                          A. J. Gallerano
                                          Senior Vice President, General Counsel
                                           and Secretary





                                      -6-
<PAGE>   7
                            EXHIBIT INDEX


Exhibit Number                   Description                        Page Number
--------------                   -----------                        -----------
                      
     I.1       Rights Agreement dated as of August 31, 1995            
               between National Convenience Stores Incorporated        
               and Boatmen's Trust Company as Rights Agent,            
               which includes as Exhibit A the form of Certificate       
               of Designations of Series A Junior Participating        
               Preferred Stock of National Convenience Stores          
               Incorporated setting forth the terms of the Preferred   
               Stock, as Exhibit B the form of Rights Certificate and
               as Exhibit C the Summary of Rights to Purchase Preferred 
               Stock. Pursuant to the Rights Agreement, Certificates    
               will not be mailed until after the Distribution Date    
               (as defined in the Rights Agreement).                    
                  




<PAGE>   1
================================================================================

                    NATIONAL CONVENIENCE STORES INCORPORATED


                                      AND


                            BOATMEN'S TRUST COMPANY,

                                  RIGHTS AGENT



                             ______________________



                                RIGHTS AGREEMENT

                          DATED AS OF AUGUST 31, 1995


================================================================================
<PAGE>   2
                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                                      PAGE
                                                                                                                      ----
<S>        <C>                                                                                                         <C>
Section 1.  Certain Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   1

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

Section 3.  Issue of Rights Certificates  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   7

Section 4.  Form of Rights Certificates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   8

Section 5.  Countersignature and Registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10

Section 6.  Transfer, Split-Up, Combination, and Exchange of Rights Certificates; Mutilated, Destroyed, Lost or 
            Stolen Rights Certificates  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10

Section 7.  Exercise of Rights; Purchase Price; Expiration Date of Rights . . . . . . . . . . . . . . . . . . . . . .  11

Section 8.  Cancellation and Destruction of Rights Certificates . . . . . . . . . . . . . . . . . . . . . . . . . . .  13

Section 9.  Reservation and Availability of Capital Stock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  13

Section 10.  Preferred Stock Record Date  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  15

Section 11.  Adjustment of Purchase Price, Number and Kind of Shares or Number of Rights  . . . . . . . . . . . . . .  16

Section 12.  Certificate of Adjusted Purchase Price or Number of Shares . . . . . . . . . . . . . . . . . . . . . . .  24

Section 13.  Consolidation, Merger or Sale or Transfer of Assets or Earning Power . . . . . . . . . . . . . . . . . .  24

Section 14.  Fractional Rights and Fractional Shares  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  27

Section 15.  Rights of Action . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28

Section 16.  Agreement of Rights Holders  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28

Section 17.  Rights Certificate Holder Not Deemed a Stockholder . . . . . . . . . . . . . . . . . . . . . . . . . . .  29
</TABLE>





                                      -i-
<PAGE>   3
<TABLE>
<S>          <C>                                                                                                      <C>
Section 18.  Concerning the Rights Agent  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  30

Section 19.  Merger or Consolidation or Change of Name of Rights Agents . . . . . . . . . . . . . . . . . . . . . . .  30

Section 20.  Duties of Rights Agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  31

Section 21.  Change of Rights Agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  33

Section 22.  Issuance of New Rights Certificates  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  33

Section 23.  Redemption and Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  34

Section 24.  Exchange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  35

Section 25.  Notice of Certain Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  36

Section 26.  Notices  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  37

Section 27.  Supplements and Amendments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  38

Section 28.  Successors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  38

Section 29.  Determinations and Actions by the Board of Directors, etc. . . . . . . . . . . . . . . . . . . . . . . .  38

Section 30.  Benefits of this Agreement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  39

Section 31.  Severability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  39

Section 32.  Governing Law  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  39

Section 33.  Counterparts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  40

Section 34.  Descriptive Headings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  40

Exhibit A -      Form of Certificate of Designations of Series A
                 Junior Participating Preferred Stock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

Exhibit B -      Form of Rights Certificate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1

Exhibit C -      Summary of Rights to Purchase Preferred Stock  . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1
</TABLE>





                                      -ii-
<PAGE>   4
                                RIGHTS AGREEMENT


         This Rights Agreement, dated as of August 31, 1995 (the "Agreement"),
between National Convenience Stores Incorporated, a Delaware corporation (the
"Company"), and Boatmen's Trust Company, a Missouri corporation (the "Rights
Agent"),

                               W I T N E S S E T H:

         WHEREAS, on August 31, 1995 (the "Rights Dividend Declaration Date"),
the Board of Directors of the Company authorized and declared a dividend of one
Right for each share of common stock, par value $.01 per share, of the Company
(the "Common Stock") outstanding at the close of business on September 11, 1995
(the "Record Date"), and has authorized the issuance of one Right (as such
number may hereinafter be adjusted pursuant to the provisions of this
Agreement) for each share of Common Stock of the Company issued (whether
originally issued or delivered from the Company's treasury) between the Record
Date and the earlier of the Distribution Date (as hereinafter defined) and the
expiration or redemption of the Rights, and, in certain circumstances, after
the Distribution Date, each Right initially representing the right to purchase
one one-hundredth of a share of Series A Junior Participating Preferred Stock
of the Company, upon the terms and subject to the conditions hereinafter set
forth (the "Rights");

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

         Section 1.  Certain Definitions.  For purposes of this Agreement, the
following terms shall have the meanings indicated:

                 "Acquiring Person" shall mean any Person who or which,
together with all Affiliates and Associates of such Person, shall be the
Beneficial Owner of 10% or more of the shares of Common Stock then outstanding,
but shall not include any Exempt Person; provided, however, that if the Board
of Directors of the Company determines in good faith that a Person who would
otherwise be an "Acquiring Person" became such inadvertently (including,
without limitation, because (i) such Person was unaware that it beneficially
owned a percentage of Common Stock that would otherwise cause such Person to be
an "Acquiring Person" or (ii) such Person was aware of the extent of its
Beneficial Ownership of Common Stock but had no actual knowledge of the
consequences of such Beneficial Ownership under this Agreement) and without any
intention of changing or influencing control of the Company, and if such Person
as promptly as practicable divested or divests itself of Beneficial Ownership
of a sufficient number of shares of Common Stock so that such Person would no
longer be an "Acquiring Person," then such Person shall not be deemed to be or
to have become an "Acquiring Person" for any purposes of this Agreement.
Notwithstanding the foregoing, no Person shall become an "Acquiring Person" as
the result of an acquisition of shares of Common Stock by the Company which, by
reducing the number of shares outstanding, increases the proportionate number
of shares of Common Stock beneficially owned by such 



<PAGE>   5
Person to 10% or more of the shares of Common Stock then outstanding, provided,
however, that if a Person shall become the Beneficial Owner of 10% or  more of
the shares of Common Stock then outstanding by reason of such share
acquisitions by the Company and shall thereafter become the Beneficial Owner of
any additional shares of Common Stock, then such Person shall be deemed to be
an "Acquiring Person" unless upon the consummation of the acquisition of such
additional shares of Common Stock such Person does not beneficially own 10% or  
more of the shares of Common Stock then outstanding.

                 "Adjustment Shares" shall have the meaning set forth in 
Section 11(a)(ii) hereof.

                 "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, as in effect on the date of this Agreement.

                 A Person shall be deemed the "Beneficial Owner" of, and shall
be deemed to "beneficially own," any securities:

                 (i)      that such Person or any of such Person's Affiliates
         or Associates, directly or indirectly, is the "beneficial owner" of
         (as determined pursuant to Rule 13d-3 of the General Rules and
         Regulations under the Exchange Act, as in effect on the date of this
         Agreement) or otherwise has the right to vote or dispose of, 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 (i) 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);

                 (ii)     that such Person or any of such Person's Affiliates
         or Associates, directly or indirectly, has the right or obligation to
         acquire (whether such right or obligation is exercisable or effective
         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, other rights,
         warrants or options, or otherwise; provided, however, that 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 




                                      -2-
<PAGE>   6
         (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) or Section 11(p)
         hereof in connection with an adjustment made with respect to any
         Original Rights; or

                 (iii)    that 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 a
         revocable proxy as described in the proviso to subparagraph (i) of
         this definition) or disposing of any voting securities of the Company;

provided, however, that nothing in this definition 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.

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

                 "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.

                 "Closing Price" of a security for any day shall mean the last
sales price, regular way, on such day or, in case no such sale takes place on
such day, the average of the closing bid and asked prices, regular way, on such
day, 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 such security is 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 such security is listed or
admitted to trading, or, if such security is not listed or admitted to trading
on any national securities exchange, the last quoted sales price on such day
or, if not so quoted, the average of the high bid and low asked prices in the
over-the-counter market on such day, as reported by NASDAQ or such other
self-regulatory organization or registered securities information processor (as
such terms are used under the Exchange Act) that then reports information
concerning such security or, if on such day such security is not quoted by any
such entity, the average of the closing bid and asked prices as furnished by a
professional market maker making a market in such security selected by the
Board of Directors of the 





                                      -3-
<PAGE>   7
Company.  If on such day no market maker is making a
market in such security, the fair value of such security on such day as
determined in good faith by the Board of Directors of the Company shall be
used. 

                 "Common Stock" shall mean the common stock, par value $.01 
per share, of the Company, except that "Common Stock" when used with reference
to stock issued by 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.

                 "Common Stock Equivalents" shall have the meaning set forth in
Section 11(a)(iii) hereof.

                 "Company" shall mean the Person named as the "Company" in the
preamble of this Agreement until a successor Person shall have become such or
until a Principal Party shall assume, and thereafter be liable for, all
obligations and duties of the Company hereunder, pursuant to the applicable
provisions of this Agreement, and thereafter "Company" shall mean such
successor Person or Principal Party.

                 "Current Market Price" shall have the meaning set forth in 
Section 11(d) hereof.

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

                 "Distribution Date" shall mean the earliest 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 may be determined by the Company's 
Board of Directors before the Distribution Date occurs) after the date that 
a tender offer or exchange offer by any Person (other than any Exempt Person) 
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, as in effect on 
the date of this Agreement, if upon consummation thereof, such Person would 
be an Acquiring Person.  The Board of Directors of the Company may defer 
the date set forth in clause (ii) of the preceding sentence to a specified 
later date or to an unspecified later date to be determined by a subsequent 
action or event.

                 "Equivalent Preferred Stock" shall have the meaning set forth
in Section 11(b) hereof.

                 "Exchange Act" shall mean the Securities Exchange Act of 1934,
as amended.

                 "Exchange Ratio" shall have the meaning set forth in Section 
24 hereof.







                                      -4-
<PAGE>   8
                 "Exempt Person" shall mean the Company, any Subsidiary of the
Company, any employee benefit plan of the Company or of any Subsidiary of the
Company, and any Person organized, appointed or established by the Company for 
or pursuant to the terms of any such plan.

                 "Expiration Date" shall mean the earlier of (i) the Final
Expiration Date and (ii) the time at which the Rights are redeemed as provided
in Section 23 hereof.

                 "Final Expiration Date" shall mean the close of business on 
August 31, 2005.

                 "Flip-In Event" shall mean an event described in Section
11(a)(ii) hereof.

                 "Flip-In Trigger Date" shall have the meaning set forth in
Section 11(a)(iii) hereof.

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

                 "NASDAQ" shall mean the National Association of Securities
Dealers, Inc. Automated Quotations System.

                 "Original Rights" shall have the meaning set forth in the
definition of "Beneficial Owner."

                 "Person" shall mean any individual, firm, corporation,
partnership, association, trust, unincorporated organization or other entity.

                 "Preferred Stock" shall mean shares of Series A Junior
Participating Preferred Stock, par value $1.00 per share, of the Company having
the rights, powers and preferences set forth in the form of Certificate of
Designations attached hereto as Exhibit A and, to the extent that there is not
a sufficient number of shares of Series A Junior Participating Preferred Stock
authorized to permit the full exercise of the Rights, any other series of
Preferred Stock, par value $1.00 per share, of the Company designated for such
purpose containing terms substantially similar to the terms of the Series A
Junior Participating Preferred Stock.

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

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

                 "Record Date" shall have the meaning set forth in the recitals
clause at the beginning of this Agreement.







                                      -5-
<PAGE>   9
                 "Redemption Price" shall have the meaning set forth in Section
23(a) hereof.

                 "Rights" shall have the meaning set forth in the recitals
clause at the beginning of this Agreement.

                 "Rights Agent" shall mean the Person named as the "Rights
Agent" in the preamble of this Agreement until a successor Rights Agent shall
have become such pursuant to the applicable provisions hereof, and thereafter
"Rights Agent" shall mean such successor Rights Agent.  If at any time there is
more than one Person appointed by the Company as Rights Agent pursuant to the
applicable provisions of this Agreement, "Rights Agent" shall mean and include
each such Person.

                 "Rights Certificates" shall mean the certificates evidencing
the Rights after the Distribution Date.

                 "Rights Dividend Declaration Date" shall have the meaning set
forth in the recitals clause at the beginning of this Agreement.

                 "Securities Act" shall mean the Securities Act of 1933, as 
amended.

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

                 "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) of the Exchange Act) by
the Company or an Acquiring Person that an Acquiring Person has become such,
which date may occur prior to the Record Date.

                 "Subsidiary" shall mean, with reference to any Person, any
corporation or other Person of which an amount of voting securities sufficient
to elect at least a majority of the directors or other persons performing
similar functions is beneficially owned, directly or in-directly, by such
Person, or otherwise controlled by such Person.

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

                 "Summary of Rights" shall mean the Summary of Rights to
Purchase Preferred Stock sent pursuant to Section 3(b) hereof.

                 "Trading Day" with respect to a security shall mean a day on
which the principal national securities exchange on which such security is
listed or admitted to trading is open for the transaction of business or, if
such security is not listed or admitted to trading on any national securities
exchange, a Business Day.






                                      -6-
<PAGE>   10
                 "Triggering Event" shall mean any Flip-In Event or any 
Flip-Over 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.  The
Company may from time to time appoint such Co-Rights Agents as it may deem
necessary or desirable.

         Section 3.  Issue of Rights Certificates.

                 (a)  Until the Distribution Date, (x) the Rights will be
evidenced (subject to the provisions of paragraph (b) of this Section 3) by the
certificates for Common Stock registered in the names of the holders of the
Common Stock 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,
evidencing one Right for each share of Common Stock so held, subject to
adjustment as provided herein.  In the event that an adjustment in the number
of Rights per share of Common Stock has been made pursuant to the provisions of
this Agreement, at the time of distribution of the Right Certificates, the
Company shall make the necessary and appropriate rounding adjustments (in
accordance with Section 14(a) hereof) so that Rights Certificates representing
only whole numbers of Rights are distributed and cash is paid in lieu of any
fractional Rights.   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 Preferred Stock, in
substantially the form attached hereto as Exhibit C, by first-class, postage
prepaid mail, to each record holder of 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 Common Stock outstanding as of the
Record Date, until the Distribution Date or the earlier surrender for transfer
thereof or the Expiration Date, the Rights associated with the shares of Common
Stock represented by such certificates shall be evidenced by such certificates
for Common Stock together with a copy of the Summary of Rights, 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 of the certificates for Common Stock
outstanding on the Record Date, with or without a copy of the Summary of Rights






                                      -7-
<PAGE>   11
attached thereto, shall also constitute the transfer of the Rights associated
with the Common Stock represented by such certificates.

                 (c)  Rights shall be issued in respect of all shares of 
Common  Stock that 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 or redemption of the Rights or, in certain circumstances
provided in Section 22 hereof, after the Distribution Date.  Certificates
issued for shares of Common Stock that shall so become outstanding or shall be
transferred or exchanged after the Record Date but prior to the earlier of the
Distribution Date or the expiration or redemption of the Rights shall also be
deemed to be certificates for Rights, and shall bear the following legend:
        
                 This certificate also evidences and entitles the holder hereof
         to certain Rights as set forth in the Rights Agreement between
         National Convenience Stores Incorporated (the "Company") and Boatmen's
         Trust Company (the "Rights Agent") dated as of August 31, 1995 as it
         may from time to time be supplemented or amended (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 may be redeemed, may be exchanged, may expire
         or may 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 or by any subsequent holder, will
         become null and void.

With respect to such certificates containing the foregoing legend, until the
earlier of (i) the Distribution Date or (ii) the expiration or redemption of
the Rights, 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), when, as and
if issued, shall be substantially 





                                      -8-
<PAGE>   12
in the form set forth in Exhibit B hereto and may have such marks of
identification or designation and such legends, summaries or endorsements
printed thereon as the Company may deem appropriate and as are not inconsistent
with the provisions of this Agreement, or as may be required to comply with any
applicable law or with any rule or regulation made pursuant thereto or with any
rule or regulation of any stock exchange or quotation system on which the
Rights may from time to time be listed or quoted, or to conform to usage. 
Subject to the provisions of Section 11 and Section 22 hereof, the Rights
Certificates, whenever issued, shall be dated as of the Record Date and on
their face shall entitle the holders thereof to purchase such number of
one-hundredths of a share of Preferred Stock as shall be set forth therein at
the price set forth therein (such exercise price per one-hundredth of a share,
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) or
Section 22 hereof that represents Rights beneficially owned by (i) an Acquiring
Person or an Associate or Affiliate of an Acquiring Person, (ii) a direct or
indirect 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 direct or indirect transferee of an Acquiring Person (or of any such
Associate or Affiliate) who becomes a transferee prior to or concurrently with
the Acquiring Person's 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 that the Board
of Directors of the Company has determined is part of a plan, arrangement or
understanding that 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 will become null and
         void in the circumstances and with the effect specified in Section
         7(e) of such Agreement.

The provisions of Section 7(e) of this Agreement shall be operative whether or
not the foregoing legend is contained on any such Rights Certificate.  The
Company shall give notice to the Rights Agent promptly after it becomes aware
of the existence of any Acquiring Person or any Associate or Affiliate thereof.




                                     -9-
<PAGE>   13
         Section 5.  Countersignature and Registration.

                        (a)  The Rights Certificates shall be executed on
behalf of the Company by 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 manually countersigned by the
Rights Agent and shall not be valid for any purpose unless so countersigned. 
In case any officer of the Company who shall have signed any of the 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 Certificate 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 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 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),
Section 14 and Section 24 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 Rights Certificates may be
transferred, split up, combined or exchanged for another Rights Certificate or
Rights Certificates, entitling the registered holder to purchase a like number
of one-hundredths of a share of Preferred Stock (or, following a Triggering
Event, Common Stock, other securities, cash or other assets, as the case may
be) as the Rights Certificate or Rights 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 Rights Certificates shall make such request in writing
delivered to the Rights Agent, and shall surrender the Rights Certificate or
Rights Certificates to be transferred, split-up, combined or exchanged at the
office or offices of the Rights Agent designated for 





                                      -10-
<PAGE>   14
such purpose.  Neither the Rights Agent nor the Company shall be
obligated to take any action whatsoever with respect to the transfer of any
such surrendered Rights Certificate until the registered holder shall have
completed and signed the certificate contained in the form of assignment on the
reverse side of such Rights Certificate and shall have provided such additional
evidence of the identity of the Beneficial Owner (or former Beneficial Owner)
thereof or of the Affiliates or Associates thereof as the Company shall
reasonably request.  Thereupon the Rights Agent shall, subject to Section 4(b),
Section 7(e), Section 14 and Section 24 hereof, countersign and deliver to the
Person entitled thereto a Rights Certificate or Rights Certificates, as the
case may be, as so requested.  The Company may require payment by the holder 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 office or offices of the Rights Agent designated for such purpose,
together with payment of the aggregate Purchase Price with respect to the total
number of one-hundredths of a share of Preferred Stock (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 earliest of (i) the Expiration Date
and (ii) the time at which all outstanding Rights are exchanged as provided in
Section 24 hereof.

                 (b)  The Purchase Price for each one one-hundredth of a share
of Preferred Stock pursuant to the exercise of a Right shall initially be $55,
and shall be subject to adjustment from time to time as provided in Sections 11
and 13(a) hereof and shall be payable in accordance with paragraph (c) below.







                                      -11-
<PAGE>   15
                 (c)  Upon receipt of a Rights Certificate representing
exercisable Rights, with the form of election to purchase and the certificate
on the reverse side thereof duly executed, accompanied by payment, with respect
to each Right so exercised, of the Purchase Price per one one-hundredth of a
share of Preferred Stock (or other shares, 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(j)
hereof, thereupon promptly (i)(A) requisition from any transfer agent of the
shares of Preferred Stock (or make available, if the Rights Agent is the
transfer agent for such shares) certificates for the total number of
one-hundredths of a share of Preferred Stock to be purchased, and the Company
hereby irrevocably authorizes its transfer agent to comply with such
requests, or (B) if the Company, in its sole discretion, shall have elected to
deposit the total number of shares of Preferred Stock issuable upon exercise of
the Rights hereunder with a depositary agent, requisition from the depositary
agent depositary receipts representing such number of one-hundredths of a share
of Preferred Stock as are to be purchased (in which case certificates for the
shares of Preferred Stock represented by such receipts shall be deposited by
the transfer agent with the depositary agent) and the Company will direct the
depositary agent to comply with such request, (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 reduced
pursuant to Section 11(a)(iii) hereof) may be made in cash or by certified
check, cashiers or official bank check or bank draft payable to the order of
the Company or the Rights Agent.  In the event that the Company is obligated to
issue other securities (including Common Stock) 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.  The Company reserves the right to require prior to the occurrence
of a Triggering Event that, upon exercise of Rights, a number of Rights be
exercised so that only whole shares of Preferred Stock would be issued.

                 (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 issued by the Rights Agent and 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, 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 Flip-In Event, any Rights
beneficially owned by (i) an Acquiring Person or an Associate or Affiliate of
an Acquiring Person other than any such Person that the 





                                      -12-
<PAGE>   16
Board of Directors in good faith determines was not involved in and did
not cause or facilitate, directly or indirectly (including through any change
in the Board of Directors), such Flip-In Event, (ii) a direct or indirect
transferee of such Acquiring Person (or of any such Associate or Affiliate) who
becomes a transferee after the Acquiring Person becomes such or (iii) a direct
or indirect transferee of such Acquiring Person (or of any such Associate or
Affiliate) who becomes a transferee prior to or concurrently with the Acquiring
Person's becoming such and receives such Rights pursuant to either (A) a
transfer (whether or not for consideration) from such 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 that the Board
of Directors of the Company has determined is part of a plan,
arrangement or understanding that 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 ensure that the
provisions of this Section 7(e) and Section 4(b) hereof are complied with, but
shall have no liability to any holder of Rights Certificates or other Person as
a result of its failure to make any determinations with respect to an Acquiring
Person or its Affiliates, Associates or transferees hereunder.

                 (f)  Notwithstanding anything in this Agreement to the
contrary, neither the Rights Agent nor the Company shall be obligated to
undertake any action with respect to a registered holder upon the occurrence of
any purported exercise as set forth in this Section 7 unless such registered
holder shall have (i) completed and signed the certificate contained in the
form of election to purchase set forth on the reverse side of the Rights
Certificate surrendered for such exercise and (ii) provided such additional
evidence of the identity of the Beneficial Owner (or former Beneficial Owner)
or Affiliates or Associates thereof as the Company shall reasonably request.

         Section 8.  Cancellation and Destruction of 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.






                                      -13-
<PAGE>   17
                 (a)  The Company covenants and agrees that it will cause to be
reserved and kept available out of its authorized and unissued shares of
Preferred Stock (and, following the occurrence of a Triggering Event, 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 Preferred Stock (and, following the occurrence of a Triggering Event,
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 Preferred Stock (and, following
the occurrence of a Triggering Event, Common Stock and/or other securities)
issuable and deliverable upon the exercise of the Rights may be listed on any
national securities exchange, the Company shall use its best efforts to cause,
from and after such time as the Rights become exercisable, all shares reserved
for such issuance to be listed on such exchange upon official notice of
issuance upon such exercise.

                 (c)  The Company shall use its best efforts to (i) prepare and
file, as soon as practicable following the first occurrence of a Flip-In Event
or, if applicable, as soon as practicable following the earliest date after the
first occurrence of a Flip-In Event on which the consideration to be delivered
by the Company upon exercise of the Rights has been determined pursuant to this
Agreement (including in accordance with Section 11(a)(iii) hereof), a
registration statement on an appropriate form under the Securities Act with
respect to the securities purchasable upon exercise of the Rights, (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 Securities 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 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.  In addition, if the Company shall determine
that the Securities Act requires an effective registration statement under the
Securities Act following the Distribution Date, the Company may temporarily
suspend the exercisability of the Rights until such time as such a registration
statement has been declared effective.  Notwithstanding any provision of this
Agreement to the contrary, the Rights shall not be exercisable in any
jurisdiction if the requisite qualification in such jurisdiction shall not have
been obtained, the exercise thereof shall not be permitted under applicable law
or any required registration statement shall not have been declared effective.






                                      -14-
<PAGE>   18
                 (d)  The Company covenants and agrees that it will take all
such action as may be necessary to ensure that all one-hundredths of a share of
Preferred Stock (and, following the occurrence of a Triggering Event, Common
Stock and/or other securities) delivered upon exercise of Rights shall, at the
time of delivery of the certificates for such shares (subject to payment of the
Purchase Price), be duly and validly authorized and issued and fully paid and
nonassessable.

                 (e)  The Company further covenants and agrees that it will pay
when due and payable any and all federal and state transfer taxes and charges
that may be payable in respect of the issuance or delivery of the
Rights Certificates and of any certificates for a number of one-hundredths of a
share of Preferred Stock (or Common Stock and/or other securities, as the case
may be) upon the exercise of Rights.  The Company shall not, however, be
required to pay any transfer tax that may be payable in respect of any transfer
or delivery of Rights Certificates to a Person other than, or the issuance or
delivery of a number of one-hundredths of a share of Preferred Stock (or 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 a
number of one-hundredths of a share of Preferred Stock (or Common Stock and/or
other securities, as the case may be) in a name other than that of the
registered holder 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.  Preferred Stock Record Date.  Each Person in whose name
any certificate for a number of one-hundredths of a share of Preferred Stock
(or 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 (fractional or otherwise) of Preferred Stock
(or 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
Preferred Stock (or Common Stock and/or other securities, as the case may be)
transfer books of the Company are closed, such Person shall be deemed to have
become the record holder of such shares (fractional or otherwise) on, and such
certificate shall be dated, the next succeeding Business Day on which the
Preferred Stock (or Common Stock and/or other securities, as the case may be)
transfer books of the Company are open.  Prior to the exercise of the Rights
evidenced thereby, the holder of a 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 




                                      -15-
<PAGE>   19
be entitled to receive 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 or
other securities subject to purchase upon exercise of 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
         Rights Dividend Declaration Date (A) declare a dividend on the
         Preferred Stock payable in shares of Preferred Stock, (B) subdivide
         the outstanding Preferred Stock, (C) combine the outstanding 
         Preferred Stock into a smaller number of shares or (D) issue 
         any shares of its capital stock in a reclassification of the
         Preferred Stock (including any such reclassification in connection
         with a consolidation or merger in which the Company is the continuing
         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 Preferred 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 Preferred Stock or
         capital stock, as the case may be, which, if such Right had been
         exercised immediately prior to such date and at a time when the
         Preferred Stock transfer books of the Company were open, he would have
         owned upon such exercise and been entitled to receive by virtue of
         such dividend, subdivision, combination or reclassification.  If an
         event occurs which would require an adjustment under both 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)  Subject to Section 24 of this Agreement, in the event
         any Person shall become an Acquiring Person, unless the event causing
         such Person to become an Acquiring Person is a transaction set forth
         in Section 13(a) hereof, then, promptly following the occurrence of
         such event, each holder of a Right (except as provided below and in
         Section 7(e) hereof) shall thereafter have the right to receive, upon
         exercise thereof at the then current Purchase Price in accordance with
         the terms of this Agreement, in lieu of a number of one-hundredths of
         a share of Preferred Stock, such number of shares of Common Stock of
         the Company as shall equal the result obtained by (x) multiplying the
         then current Purchase Price by the then number of one-hundredths of a
         share of Preferred Stock for which a Right was exercisable immediately
         prior to the first occurrence of a Flip-In Event and (y) dividing that
         product (which 




                                      -16-
<PAGE>   20
         product, following such first occurrence, shall thereafter be
         the "Purchase Price" for each Right and for all purposes of this
         Agreement) by 50% of the Current Market Price per share of Common
         Stock on the date of such first occurrence (such number of shares, the
         "Adjustment Shares"); provided that the Purchase Price and the number
         of Adjustment Shares shall be further adjusted as provided in this
         Agreement to reflect any events occurring after the date of such first
         occurrence.

                 (iii)  In the event that the number of shares of Common Stock
         that 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 is 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, to the extent permitted by
         applicable law and regulation, (A) determine the excess of (1) the
         value of the Adjustment Shares issuable upon the exercise
         of a Right (computed using the Current Market Price used to determine
         the number of Adjustment Shares) (the "Current Value") over (2) the
         Purchase Price (such excess is herein referred to as the "Spread"),
         and (B) with respect to each Right, make adequate provision to
         substitute for the Adjustment Shares, upon the exercise of the Rights
         and 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 that the Board of Directors of the
         Company has deemed to have the same value as shares of Common Stock
         (such shares of preferred stock are herein referred to as "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 30 days following the later of (x)
         the first occurrence of a Flip-In 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 "Flip-In Trigger
         Date"), then the Company 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 30-day period set forth above
         may be extended to the extent necessary, but not more than 90 days
         after the Flip-In Trigger Date, in order that the Company may seek
         stockholder 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 





                                      -17-
<PAGE>   21
         some action need 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 per share of the
         Common Stock on the Flip-In 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.                                
         
                 (b)  In case the Company shall fix a record date for the 
issuance of rights, options or warrants to all holders of Preferred
Stock entitling them to subscribe for or purchase (for a period expiring within
45 calendar days after such record date) Preferred Stock (or shares having the
same rights, privileges and preferences as the shares of Preferred Stock
("Equivalent Preferred Stock")) or securities convertible into Preferred Stock
or Equivalent Preferred Stock at a price per share of Preferred Stock or per
share of Equivalent Preferred Stock (or having a conversion price per share, if
a security convertible into Preferred Stock or Equivalent Preferred Stock) less
than the Current Market Price per share of Preferred Stock on such record date,
the Purchase Price to be in effect after such record date shall be determined
by multiplying the Purchase Price in effect immediately prior to such record
date by a fraction, the numerator of which shall be the number of shares of
Preferred Stock outstanding on such record date, plus the number of shares of
Preferred Stock that the aggregate offering price of the total number of shares
of Preferred Stock and/or Equivalent Preferred Stock so to be offered (and/or
the aggregate initial conversion price of the convertible securities so to be
offered) would purchase at such Current Market Price, and the denominator of
which shall be the number of shares of Preferred Stock outstanding on such
record date, plus the number of additional shares of Preferred Stock and/or
Equivalent Preferred Stock to be offered for subscription or purchase (or into
which the convertible securities so to be offered are initially convertible).
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 Preferred Stock owned by or held for the account of the
Company shall not be deemed outstanding for the purpose of any such
computation.  Such adjustment shall be made successively whenever such a record
date is fixed, and in the event that such rights, options or warrants are not
so issued, the Purchase 




                                      -18-
<PAGE>   22
Price shall be adjusted to be the Purchase Price which would then be in
effect if such record date had not been fixed.

                 (c)  In case the Company shall fix a record date for a
distribution to all holders of Preferred Stock (including any such distribution
made in connection with a consolidation or merger in which the Company is the
continuing corporation) of evidences of indebtedness, 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 Preferred Stock, but
including any dividend payable in stock other than Preferred Stock) or
subscription rights or warrants (excluding those referred to in Section 11(b)
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 per share of Preferred Stock on such record date, less the fair
market value (as determined in good faith by the Board of Directors of the
Company, whose determination shall be described in a statement filed with the
Rights Agent and shall be conclusive for all purposes) 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 Preferred Stock 
and the denominator of which shall be such Current Market Price per share 
of Preferred 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)(i)  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 of a Person on any
         date shall be deemed to be the average of the daily Closing Prices per
         share of such Common Stock for the 30 consecutive Trading Days
         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 10
         consecutive Trading Days immediately following such date; provided,
         however, that in the event that the Current Market Price per share of
         Common Stock is determined during a period following the announcement
         of (A) a dividend or distribution on such Common Stock other than a
         regular quarterly cash dividend or the dividend of the Rights, or (B)
         any subdivision, combination or reclassification of such Common Stock,
         and the ex-dividend date for such dividend or distribution, or the
         record date for such subdivision, combination or reclassification,
         shall not have occurred prior to the commencement of the requisite 30
         Trading Day or 10 Trading Day period, as set forth above, then, and in
         each such case, the Current Market Price shall be properly adjusted to
         take into account ex-dividend trading.  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 




                                      -19-
<PAGE>   23
         of Directors of the Company, whose determination shall be
         described in a statement filed with the Rights Agent.

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

                 (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 1% in the Purchase Price; provided,
however, that any adjustments that 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 of Common Stock or
other share or one-millionth of a share of Preferred Stock, as the case may be.
Notwithstanding the first sentence of this Section 11(e), any adjustment
required by this Section 11 shall be made no later than the earlier of (i)
three years from the date of the transaction which mandates such adjustment or
(ii) the Expiration Date.

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






                                      -20-
<PAGE>   24
                 (g)  All Rights originally issued by the Company subsequent to
any adjustment made to the Purchase Price hereunder shall evidence the right to
purchase, at the adjusted Purchase Price, the number of one-hundredths of a
share of Preferred Stock purchasable from time to time hereunder upon exercise
of the Rights, all subject to further adjustment as provided herein.

                 (h)  Unless the Company shall have exercised its election as
provided in Section 11(i), upon each adjustment of the Purchase Price as a
result of the calculations made in Sections 11(b) and (c), each Right
outstanding immediately prior to the making of such adjustment shall thereafter
evidence the right to purchase, at the adjusted Purchase Price, that number of
one-hundredths of a share of Preferred Stock (calculated to the nearest
one-millionth) obtained by (i) multiplying (x) the number of one-hundredths of
a share of Preferred Stock 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 one-hundredths of a share of Preferred 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
one-hundredths of a share of Preferred Stock for which a Right was exercisable
immediately prior to such adjustment.  Each Right held of record prior to such
adjustment of the number of Rights shall become that number of Rights
(calculated to the nearest ten-thousandth) obtained by dividing the Purchase
Price in effect immediately prior to adjustment of the Purchase Price by the
Purchase Price in effect immediately after 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 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 option of the Company,
the adjusted 



                                      -21-
<PAGE>   25
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 one-hundredths of a share of Preferred Stock issuable
upon the exercise of the Rights, the Rights Certificates theretofore and
thereafter issued may continue to express the Purchase Price per one-hundredth
of a share and the number of one-hundredths of a share that were expressed in
the initial Rights Certificates issued hereunder.

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

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

                 (m)  Anything in this Section 11 to the contrary
notwithstanding, the Company shall be entitled to make such reductions in the
Purchase Price, in addition to those adjustments expressly required by this
Section 11, as and to the extent that 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 Preferred Stock, (ii) issuance wholly for
cash of any shares of Preferred Stock at less than the current market price,
(iii) issuance wholly for cash of shares of Preferred Stock or securities that
by their terms are convertible into or exchangeable for shares of Preferred
Stock, (iv) stock dividends or (v) issuance of rights, options or warrants
referred to in this Section 11 hereafter made by the Company to holders of its
Preferred Stock shall not be taxable to such stockholders.






                                      -22-
<PAGE>   26
                 (n)  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 that complies with
Section 11(o) hereof), (ii) merge with or into any other Person (other than a
Subsidiary of the Company in a transaction that complies with Section 11(o)
hereof) or (iii) sell, lease or transfer (or permit any Subsidiary to sell or
transfer), in one transaction or a series of related transactions, assets or
earning power aggregating more than 50% of the assets or earning power of the
Company and its Subsidiaries (taken as a whole) to any other Person or Persons
(other than the Company and/or any of its Subsidiaries in one or more
transactions each of which complies with Section 11(o) hereof), if (x) at the
time of or immediately after such consolidation, merger, sale, transfer or
transaction there are any rights, warrants or other instruments or securities
of the Company or any other Person outstanding or agreements in effect that
would substantially diminish or otherwise eliminate the benefits intended to be
afforded by the Rights, (y) prior to, simultaneously with or immediately after
such consolidation, merger, sale, transfer or transaction, the stockholders or
other equity owners 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
or Associates, or (z) the form or nature of organization of the Principal Party
would preclude or limit the exercise of Rights or otherwise diminish 
substantially or eliminate the benefits intended to be afforded by the Rights.

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

                 (p)  Anything in this Agreement to the contrary
notwithstanding, in the event that the Company shall at any time after the
Rights Dividend Declaration Date and prior to the Distribution Date (i) declare
a dividend on the outstanding shares of Common Stock payable in shares of
Common Stock, (ii) subdivide the outstanding shares of Common Stock, (iii)
combine the outstanding shares of Common Stock into a smaller number of shares
or (iv) otherwise reclassify the outstanding shares of Common Stock, the number
of Rights associated with each Share of Common Stock then outstanding, or
issued or delivered thereafter but prior to the Distribution Date, shall be
proportionately adjusted so that the number of Rights thereafter associated
with each share of Common Stock following any such event shall equal the result
obtained by multiplying the number of Rights associated with each share of
Common Stock immediately prior to such event by a fraction (the "Adjustment
Fraction") the numerator of which shall be the total number of shares of Common
Stock outstanding immediately prior to the occurrence of the event and the
denominator of which shall be the total number of shares of Common Stock
outstanding immediately following the occurrence of such event.  In lieu of
such adjustment in the number of Rights associated with one share of Common
Stock, the 

                                      -23-
<PAGE>   27
Company may elect to adjust the number of one one-hundredths of a
share of Preferred Stock purchasable upon the exercise of one Right and the
Purchase Price.  If the Company makes such election, the number of Rights
associated with one share of Common Stock shall remain unchanged, and the
number of one one-hundredths of a share of Preferred Stock purchasable upon
exercise of one Right and the Purchase Price shall be proportionately adjusted
so that (i) the number of one one-hundredths of a share of Preferred Stock
purchasable upon exercise of a Right following such adjustment shall equal the
product of the number of one one-hundredths of a share of Preferred Stock
purchasable upon exercise of a Right immediately prior to such adjustment
multiplied by the Adjustment Fraction and (ii) the Purchase Price following
such adjustment shall equal the product of the Purchase Price immediately prior
to such adjustment multiplied by the Adjustment Fraction.

         Section 12.  Certificate of Adjusted Purchase Price or Number of
Shares.  Whenever an adjustment is made as provided in Section 11 or 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
Preferred Stock and 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 26 hereof.  The Rights Agent shall be
fully protected in relying on any such certificate and on any adjustment
therein contained.

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

                 (a)  In the event that, on or after 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 that complies with Section 11(o) 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 that
complies with Section 11(o) 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 the Company
or any other Person or cash or any other property, or (z) the Company shall
sell, lease or otherwise transfer (or one or more of its Subsidiaries shall
sell, lease or otherwise transfer), in one transaction or a series of related
transactions, assets or earning power aggregating more than 50% of the assets
or earning power of the Company and its Subsidiaries (taken as a whole) to any
Person or Persons (other than the Company or any Subsidiary of the Company or
any combination thereof in one or more transactions each of which complies with
Section 11(o) hereof), then, and in each such case, proper provision shall be
made so that: (i) on and after the Distribution Date, each holder of a Right,
except as 




                                      -24-
<PAGE>   28
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, nonassessable 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 one one-hundredths of a share of Preferred Stock for
which a Right was exercisable immediately prior to the first occurrence of a
Flip-Over Event (or, if a Flip-In Event has occurred prior to the first
occurrence of a Flip-Over Event, multiplying the number of such one
one-hundredths of a share of Preferred Stock for which a Right was exercisable
immediately prior to the first occurrence of a Flip-In Event by the Purchase
Price in effect immediately prior to such first occurrence), and dividing that
product (which, following the first occurrence of a Flip-Over Event, shall be
the Purchase Price for each Right and for all purposes of this Agreement) by
(2) 50% of the Current Market Price per share of the Common Stock of such
Principal Party on the date of consummation of such Flip-Over Event; (ii) such
Principal Party shall thereafter be liable for, and shall assume, by virtue of
such Flip-Over 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 Flip-Over 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 Flip-Over 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), (A) the Person that is the
         issuer of any securities into which shares of Common Stock of the
         Company are converted in such merger or consolidation, or, if there is
         more than one such issuer, the issuer the Common Stock of which has
         the greatest aggregate market value, or (B) if no securities are so
         issued, (x) the Person that survives such consolidation or is the
         other party to the merger and survives such merger, or, if there is
         more than one such Person, the Person the Common Stock of which has
         the greatest aggregate market value or (y) if the Person that is the
         other party to the merger does not survive the merger, the Person that
         does survive the merger (including the Company if it survives); and






                                      -25-

<PAGE>   29
                 (ii)  in the case of any transaction described in clause (z)
         of the first sentence of Section 13(a), the Person that is the party
         receiving the greatest portion of the assets or earning power
         transferred pursuant to such transaction or transactions, or, if each
         Person that is a party to such transaction or transactions receives
         the same portion of the assets or earning power so transferred, or if
         the Person receiving the greatest portion of the assets or earning
         power cannot be determined, the Person the Common Stock of which has
         the greatest aggregate market value;

provided, however, that in any such case, if the Common Stock of such Person is
not at such time and has not been continuously over the preceding twelve-month
period registered under Section 12 of the Exchange Act, and if (1) 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; (2) such Person is a Subsidiary, directly or indirectly, of more than
one Person, the Common Stocks of all of which are and have been so registered,
"Principal Party" shall refer to whichever of such Persons is the issuer of the
Common Stock having the greatest aggregate market value; and (3) such Person is
owned, directly or indirectly, by a joint venture formed by two or more Persons
that are not owned, directly or indirectly, by the same Person, the rules set
forth in (1) and (2) above shall apply to each of the chains of ownership
having an interest in such joint venture as if such party were a "Subsidiary"
of both or all of such joint venturers and the Principal Parties in each such
chain shall bear the obligations set forth in this Section 13 in the same ratio
as their direct or indirect interests in such Person bear to the total of such
interests.
        
                 (c)  The Company shall not consummate any Flip-Over Event
unless each Principal Party (or Person that may become a Principal Party as a
result of such Flip-Over Event) shall have a sufficient number of authorized
shares of its Common Stock that 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 each 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 such Flip-Over
Event, the Principal Party at its own expense will

                 (i)  prepare and file a registration statement under the
         Securities 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 Securities Act) until the Expiration Date;






                                      -26-
<PAGE>   30
                (ii)  use its best efforts to qualify or register the Rights
         and the securities purchasable upon exercise of the Rights under the
         "blue sky" laws of such jurisdictions as may be necessary or
         appropriate;

                (iii)  use its best efforts, if the Common Stock of the
         Principal Party is or shall become listed on a national securities
         exchange, to list (or continue the listing of) the Rights and the
         securities purchasable upon exercise of the Rights on such securities
         exchange and, if the Common Stock of the Principal Party shall not be
         listed on a national securities exchange, to cause the Rights and the
         securities purchasable upon exercise of the Rights to be reported by
         NASDAQ or such other transaction reporting system then in use; and

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

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

         Section 14.  Fractional Rights and Fractional Shares.

                 (a)  The Company shall not be required to issue fractions of
Rights, except prior to the Distribution Date as provided in Section 11(p)
hereof, or to distribute Rights Certificates or scrip evidencing 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 Closing Price of one Right for the Trading Day immediately
prior to the date on which such fractional Rights would have been otherwise
issuable.

                 (b)  The Company shall not be required to issue fractions of
shares of Preferred Stock (other than, except as provided in Section 7(c)
hereof, fractions that are integral multiples of one one-hundredth of a share
of Preferred Stock) upon exercise of the Rights or to distribute certificates
or scrip evidencing fractional shares of Preferred Stock (other than, except as
provided in Section 7(c) hereof, fractions that are integral multiples of one
one-hundredth of a share of Preferred Stock).  Fractions of shares of Preferred
Stock in integral multiples of one one-hundredth of a share of Preferred Stock
may, at the election of the Company in its sole discretion, be evidenced by
depositary receipts, pursuant to an appropriate agreement between the Company
and a depositary selected by it, provided that such agreement shall provide
that the holders of such depositary receipts shall have all the rights,
privileges and preferences to 





                                      -27-
<PAGE>   31
which they are entitled as beneficial owners of the shares of Preferred Stock
represented by such depositary receipts. In lieu of fractional shares of
Preferred Stock that are not integral multiples of one one-hundredth of a share
of Preferred 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 one one-hundredth of the Closing Price of
a share of Preferred Stock for the Trading Day immediately prior to the date of
such exercise.

                  (c)  Following the occurrence of a Triggering Event, the
Company shall not be required to issue fractions of shares of Common Stock upon
exercise of the Rights or to distribute certificates or scrip evidencing
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 Closing Price of one share of Common Stock for the
Trading Day immediately prior to the date of such exercise.

                  (d)  The holder of a Right by the acceptance of the Right
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
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.  After a Triggering Event,
holders of Rights shall be entitled to recover the reasonable costs and
expenses, including attorneys' fees, incurred by them in any action to enforce
the provisions of 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:







                                      -28-
<PAGE>   32
                 (a)  prior to the Distribution Date, the Rights will not be
evidenced by Rights Certificates and will be transferable only in connection
with the transfer of Common Stock;

                 (b)  after the Distribution Date, the Rights Certificates will
be 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 form of assignment set forth on the reverse side thereof and the
certificate contained therein duly completed and 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 certificate) 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, subject to the last sentence of
Section 7(e) hereof, shall 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 number of one
one-hundredths of a share of Preferred Stock or any other securities of the
Company that may at any time be issuable upon 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 25 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.







                                      -29-
<PAGE>   33

         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
other disbursements incurred in the administration and execution of this
Agreement and the exercise and performance of its duties hereunder. The Company
also agrees to indemnify the Rights Agent for, and to hold it harmless against,
any loss, liability or expense, incurred without negligence, bad faith or
willful misconduct on the part of the Rights Agent, for anything done or
omitted to be done 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 of 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, guaranteed, verified or acknowledged, by
the proper Person or Persons.

         Section 19.  Merger or Consolidation or Change of Name of Rights
                      Agents.

                 (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, 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 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 





                                      -30-
<PAGE>   34
Rights Agent may adopt the countersignature under its prior name and deliver
such 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 the
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 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 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 provisions of this
Agreement in reliance upon such certificate.

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

                 (d)  The Rights Agent shall not be liable for or by reason of
any of the statements of fact or recitals contained in this Agreement or in the
Rights Certificates (except its countersignature thereof) 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 





                                      -31-
<PAGE>   35
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 actual notice of 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 Preferred Stock or Common Stock
or other securities to be issued pursuant to this Agreement or any Rights
Certificate or as to whether any shares of Preferred Stock or 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 and assurances as may
reasonably be required by the Rights Agent for the carrying out or performing
by the Rights Agent of the provisions of this Agreement.

                 (g)  The Rights Agent is hereby authorized and directed to
accept instructions with respect to the performance of its duties hereunder
from 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 stockholder, director, officer
or employee of the Rights Agent may buy, sell or deal in any of the Rights or
other securities of the Company or become pecuniarily interested in any 
transaction in which the Company may be interested, or contract with or 
lend money to the Company or otherwise act as fully and freely as though it 
were not the 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 entity.

                 (i)  The Rights Agent may execute and exercise any of the
rights or powers hereby vested in it or perform any duty hereunder either
itself or by or through its attorneys or agents, and the Rights Agent shall not
be answerable or accountable for any act, default, neglect or misconduct of any
such attorneys or agents or for any loss to the Company resulting from any such
act, default, neglect or misconduct; provided, reasonable care was exercised in
the selection and continued employment thereof.

                 (j)  If, with respect to any Rights 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 or transfer without first consulting with the Company.







                                      -32-
<PAGE>   36
         Section 21.  Change of Rights Agent.  The Rights Agent or any successor
Rights Agent may resign and be discharged from its duties under this Agreement
upon 30 days' notice in writing mailed to the Company, and to each transfer
agent of the Common Stock and the Preferred Stock, by registered or certified
mail, and to the holders, if any, of the Rights Certificates by first-class
mail.  The Company may remove the Rights Agent or any successor Rights Agent
(with or without cause) upon 30 days' notice in writing, mailed to the Rights
Agent or successor Rights Agent, as the case may be, and to each transfer agent
of the Common Stock and the Preferred 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.
Notwithstanding the foregoing provisions of this Section 21, in no event shall
the resignation or removal of a Rights Agent be effective until a successor
Rights Agent shall have been appointed and have accepted such appointment.  If
the Company shall fail to make such appointment within a period of 30 days
after giving notice of such removal or after it has been notified in writing of
such resignation or incapacity by the resigning or incapacitated Rights Agent
or by the holder of a Rights Certificate (who shall, with such notice, submit
his Rights Certificate for inspection by the Company), then the Rights Agent or
the registered holder of any Rights Certificate may apply to any court of
competent jurisdiction for the appointment of a new Rights Agent.  Any
successor Rights Agent, whether appointed by the Company or by such a court,
shall be (a) a corporation organized and doing business under the laws of the
United States or of the States of New York, Missouri or Texas (or of any other
state of the United States so long as such corporation is authorized to conduct
a stock transfer or corporate trust business in the States of New York,
Missouri or Texas), in good standing, which is authorized under such laws to
exercise corporate trust or stock transfer powers and is subject to supervision
or examination by federal or state authority and which has at the time of its
appointment as Rights Agent a combined capital and surplus of at least
$75,000,000 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 the Preferred Stock, and mail a notice thereof in
writing to the registered holders of the Rights Certificates.  Failure to give
any notice provided for in this Section 21, however, or any defect therein,
shall not affect the legality or validity of the resignation or removal of the
Rights Agent or the appointment of the successor Rights Agent, as the case may
be.
        
         Section 22.  Issuance of New 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 





                                      -33-
<PAGE>   37
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
expiration or redemption 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 granted or awarded on or
prior to the Distribution Date, or upon the exercise, conversion or exchange of
securities issued by the Company on or prior to the Distribution Date, 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) and (ii) the Final Expiration Date, cause
the Company to 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 or similar transaction
occurring after the date hereof (such redemption price being hereinafter
referred to as the "Redemption Price"); provided, however, that the Rights may
not be redeemed following any merger to which the Company is a party that (i)
occurs after a Flip-In Event has occurred and (ii) was not approved by the
stockholders of the Company at a stockholders' meeting.  Notwithstanding
anything contained in this Agreement to the contrary, the Rights shall not be
exercisable after the first occurrence of a Flip-In Event 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 of the Common Stock at the time of redemption) or any
other form of consideration deemed appropriate by the Board of Directors.

                 (b)  Immediately upon the effectiveness of the action of the
Board of Directors of the Company ordering the redemption of the Rights (which
action may be conditioned on the occurrence of one or more events or on the
existence of one or more facts or may be effective at some future time),
evidence of which shall have been filed with the Rights Agent 





                                      -34-
<PAGE>   38
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 effectiveness of 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 Company for the Common Stock. 
Any notice that is mailed in the manner herein provided shall be deemed given,
whether or not the holder receives the notice.  Each such notice of redemption
shall state the method by which the payment of the Redemption Price will be
made.
        
         Section 24.  Exchange.

                 (a)  The Board of Directors of the Company may, at its option,
at any time and from time to time after the first occurrence of a Flip-In
Event, exchange all or part of the then outstanding and exercisable Rights
(which shall not include Rights that have become void pursuant to the
provisions of Section 7(e) hereof) for shares of Common Stock or Common Stock
Equivalents or any combination thereof, at an exchange ratio of one share of
Common Stock, or such number of Common Stock Equivalents or units representing
fractions thereof as would be deemed to have the same value as one share of
Common Stock, per Right, appropriately adjusted to reflect any stock split,
stock dividend or similar transaction occurring after the Rights Dividend
Declaration Date (such exchange ratio being hereinafter referred to as the
"Exchange Ratio").

                 (b)  Immediately upon the action of the Board of Directors of
the Company ordering the exchange of any Rights pursuant to and in accordance
with subsection (a) of this Section 24 and without any further action and
without any notice, the right to exercise such Rights shall terminate and the
only right thereafter of a holder of such Rights shall be to receive that
number of shares of Common Stock and/or Common Stock Equivalents equal to the
number of such Rights held by such holder multiplied by the Exchange Ratio.
The Company shall promptly give public notice of any such exchange; provided,
however, that the failure to give, or any defect in, such notice shall not
affect the validity of such exchange.  The Company promptly shall mail a notice
of any such exchange to all of the holders of such Rights at their last
addresses as they appear upon the registry books of the Rights Agent.  Any
notice which is mailed in the manner herein provided shall be deemed given,
whether or not the holder receives the notice.  Each such notice of exchange
will state the method by which the exchange of the shares of Common Stock
and/or Common Stock Equivalents for Rights will be effected and, in the event
of any partial exchange, the number of Rights that will be exchanged.  Any
partial exchange shall be effected pro rata based on the number of Rights
(other than Rights which have become void pursuant to the provisions of Section
7(e) hereof) held by each holder of Rights.







                                      -35-
<PAGE>   39
                 (c)  In the event that the number of shares of Common Stock
that 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 is not sufficient to permit an exchange of Rights as contemplated in
accordance with this Section 24, the Company may, at its option, take all such
action as may be necessary to authorize additional shares of Common Stock for
issuance upon exchange of the Rights.

                 (d)  The Company shall not be required to issue fractions of
shares of Common Stock or to distribute certificates or scrip evidencing
fractional shares of Common Stock.  In lieu of such fractional shares of Common
Stock, the Company shall pay to the registered holders of Rights with regard to
which such fractional shares of Common Stock would otherwise be issuable an
amount in cash equal to the same fraction of the value of a whole share of
Common Stock.  For purposes of this Section 24, the value of a whole share of
Common Stock shall be the Closing Price per share of Common Stock for the
Trading Day immediately prior to the date of exchange pursuant to this Section
24, and the value of any Common Stock Equivalent shall be deemed to have the
same value as the Common Stock on such date.

         Section 25.  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 Preferred Stock or to make any other distribution to the holders of
Preferred 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
Preferred Stock rights or warrants to subscribe for or to purchase any
additional shares of Preferred Stock or shares of stock of any class or any
other securities, rights or options, or (iii) to effect any reclassification of
its Preferred Stock (other than a reclassification involving only the
subdivision of outstanding shares of Preferred 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(o) 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 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(o) 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 record of a Rights Certificate,
to the extent feasible and in accordance with Section 26 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 Preferred Stock, if any such 





                                      -36-
<PAGE>   40
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 20 days prior to the record
date for determining holders of the shares of Preferred Stock for purposes of
such action, and in the case of any such other action, at least 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 Preferred Stock, whichever shall be the
earlier.  The failure to give notice required by this Section 25 or any defect
therein shall not affect the legality or validity of the action taken by the
Company or the vote upon any such action.
        
                 (b)  In case any Flip-In Event shall occur, then (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 26 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,
and (ii) all references in the preceding paragraph to Preferred Stock shall be
deemed thereafter to refer to Common Stock and/or, if appropriate, other
securities.

         Section 26.  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:

                 National Convenience Stores Incorporated
                 100 Waugh Drive
                 P. O. Box 758
                 Houston, Texas 77299
                 Attention: General Counsel

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

                 Boatmen's Trust Company
                 510 Locust Street
                 P. O. Box 14768
                 St. Louis, Missouri  63178
                 Attention:  Corporate Trust Department

Notices or demands authorized by this Agreement to be given or made by the
Company or the Rights Agent 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 





                                      -37-
<PAGE>   41
made if sent by first-class mail, postage prepaid, addressed to such holder at
the address of such holder as shown on the registry books of the Company.
        
         Section 27.  Supplements and Amendments.  Prior to the Distribution
Date and subject to the penultimate sentence of this Section 27, the Company
may in its sole and absolute discretion and the Rights Agent shall, if the
Company so directs, supplement or amend any provision of this Agreement in any
respect without the approval of any holders of certificates representing shares
of Common Stock.  From and after the Distribution Date and subject to the
penultimate sentence of this Section 27, the Company may 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 that
may be defective or inconsistent with any other provisions herein, (iii) to
shorten or lengthen any time period hereunder or (iv) to change or supplement
the provisions hereunder in any manner that the Company may deem necessary or
desirable and that shall not materially adversely affect the interests of the
holders of Rights Certificates (other than an Acquiring Person or an Affiliate
or Associate of an Acquiring Person or a transferee of any of such Persons);
provided, that this Agreement may not be supplemented or amended to lengthen,
pursuant to clause (iii) of this sentence, (A) a time period relating to when
the Rights may be redeemed at such time as the Rights are not then redeemable
or (B) any other time period unless such lengthening is for the purpose of
protecting, enhancing or clarifying the rights of, and/or the benefits to, the
holders of Rights (other than any Acquiring Person and its Affiliates and
Associates or a transferee of any of such Persons).  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 27, the Rights Agent shall execute such supplement or amendment;
provided, however, that the Rights Agent may, but shall not be obligated to,
enter into any such supplement or amendment that affects the Rights Agent's own
rights, duties or immunities under this Agreement. Notwithstanding anything
contained in this Agreement to the contrary, no supplement or amendment shall
be made that decreases the Redemption Price, shortens the Final Expiration
Date, increases the initial Purchase Price or decreases the number of one
one-hundredths of a share of Preferred Stock for which a Right is initially
exercisable.  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 28.  Successors.  All the covenants and provisions of this
Agreement by or for the benefit of the Company or the Rights Agent shall bind
and inure to the benefit of their respective successors and assigns hereunder.

         Section 29.  Determinations and Actions by the Board of Directors,
etc.  For all purposes of this Agreement, any calculation of the number of
shares of Common Stock outstanding at any particular time, including for
purposes of determining the particular 





                                      -38-
<PAGE>   42
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
as in effect on the date hereof.  The Board of Directors of the Company shall
have the exclusive power and authority to administer this Agreement and to
exercise all rights and powers specifically granted to the Board of Directors
of the Company 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, without limitation, 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) that are done or made by
the Board of Directors of the Company in good faith, shall (x) be final,
conclusive and binding on the Company, the Rights Agent, the holders of the
Rights, as such, and all other parties, and (y) not subject the Board of
Directors to any liability to the holders of the Rights.
        
         Section 30.  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 31.  Severability.  If any term, provision, covenant or
restriction of this Agreement is held by a court of competent jurisdiction or
other authority to be invalid, void or unenforceable, the remainder of the
terms, provisions, covenants and restrictions of this Agreement shall remain in
full force and effect and shall in no way be affected, impaired or invalidated;
provided, however, that notwithstanding anything in this Agreement to the
contrary, if any such term, 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.

         SECTION 32.  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 DELAWARE 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.






                                      -39-
<PAGE>   43
         Section 33.  Counterparts.  This Agreement may be executed in any
number of counterparts and each of such counterparts shall for all purposes be
deemed to be an original, and all such counterparts shall together constitute
but one and the same instrument.

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

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

Attest:                                 NATIONAL CONVENIENCE STORES INCORPORATED


___________________________________           __________________________________
Name:                                   Name:
Title:                                  Title:




                                     -40-


<PAGE>   44
Attest:                                 BOATMEN'S TRUST COMPANY




___________________________________     ________________________________________
Name:                                   Name:
Title:                                  Title:





                                     -41-



<PAGE>   45
                                                                       Exhibit A
                                                                       ---------

                          CERTIFICATE OF DESIGNATIONS

                                     of the

                 SERIES A JUNIOR PARTICIPATING PREFERRED STOCK

                                       of

                    NATIONAL CONVENIENCE STORES INCORPORATED

             Pursuant to Section 151 of the General Corporation Law
                            of the State of Delaware


                 We, V. H. Van Horn, President, and A. J. Gallerano, Secretary,
of National Convenience Stores Incorporated, a corporation organized and
existing under the General Corporation Law of the State of Delaware, in
accordance with the provisions of Section 103 thereof, DO HEREBY CERTIFY:

                 That pursuant to the authority vested in the Board of
Directors in accordance with the provisions of the Restated Certificate of
Incorporation of the said Corporation, the said Board of Directors on August
31, 1995, adopted the following resolution designating a series of 100,000
shares of Preferred Stock as "Series A Junior Participating Preferred Stock":

                 RESOLVED, that pursuant to the authority vested in the Board
         of Directors of this Corporation in accordance with the provisions of
         its Certificate of Incorporation, the Board of Directors hereby
         creates a series of Preferred Stock, par value $1.00 per share, of the
         Corporation and hereby states the designation and number of shares and
         fixes the relative rights, preferences and limitations thereof (in
         addition to the provisions set forth in the Certificate of
         Incorporation of the Corporation, which are applicable to the
         Preferred Stock of all classes and series) as follows:

                 Section 1.  Designation and Amount.  There shall be a series
of Preferred Stock that shall be designated as "Series A Junior Participating
Preferred Stock," and the number of shares constituting such series shall be
100,000.  Such number of shares may be increased or decreased by resolution of
the Board of Directors; provided, however, that no decrease shall reduce the
number of shares of Series A Junior Participating Preferred Stock to less than
the number of shares then issued and outstanding plus the number of shares
issuable upon exercise





                                      A-1
<PAGE>   46
of outstanding rights, options or warrants or upon conversion of outstanding
securities issued by the Corporation.

                 Section 2.  Dividends and Distributions.

                 (A)      Subject to the prior and superior rights of the
holders of any shares of any series of Preferred Stock ranking prior and
superior to the shares of Series A Junior Participating Preferred Stock with
respect to dividends, the holders of shares of Series A Junior Participating
Preferred Stock, in preference to the holders of shares of any class or series
of stock of the Corporation ranking junior to the Series A Junior Participating
Preferred Stock, shall be entitled to receive, when, as and if declared by the
Board of Directors out of funds legally available for the purpose, quarterly
dividends payable in cash on the 15th day of January, April, July and October
in each year (each such date being referred to herein as a "Quarterly Dividend
Payment Date"), commencing on the first Quarterly Dividend Payment Date after
the first issuance of a share or fraction of a share of Series A Junior
Participating Preferred Stock, in an amount per share (rounded to the nearest
cent) equal to the greater of (a) $1.00 or (b) subject to the provision for
adjustment hereinafter set forth, the Adjustment Number (as defined below)
times the aggregate per share amount of all cash dividends, and the Adjustment
Number times the aggregate per share amount (payable in kind) of all non-cash
dividends or other distributions other than a dividend payable in shares of
Common Stock or a subdivision of the outstanding shares of Common Stock (by
reclassification or otherwise), declared on the Common Stock, par value $.01
per share, of the Corporation (the "Common Stock") since the immediately
preceding Quarterly Dividend Payment Date, or, with respect to the first
Quarterly Dividend Payment Date, since the first issuance of any share or
fraction of a share of Series A Junior Participating Preferred Stock.  The
"Adjustment Number" shall initially be 100.  In the event the Corporation shall
at any time after August 31, 1995 (the "Rights Declaration Date") (i) declare
any dividend on Common Stock payable in shares of Common Stock, (ii) subdivide
the outstanding Common Stock or (iii) combine the outstanding Common Stock into
a smaller number of shares, then in each such case the Adjustment Number in
effect immediately prior to such event shall be adjusted by multiplying such
Adjustment Number by a fraction the numerator of which is the number of shares
of Common Stock outstanding immediately after such event and the denominator of
which is the number of shares of Common Stock that were outstanding immediately
prior to such event.

                 (B)      The Corporation shall declare a dividend or
distribution on the Series A Junior Participating Preferred Stock as provided
in paragraph (A) above immediately after it declares a dividend or distribution
on the Common Stock (other than a dividend payable in shares of Common Stock);
provided that, in the event no dividend or distribution shall have been
declared on the Common Stock during the period between any Quarterly Dividend
Payment Date and the next subsequent Quarterly Dividend Payment Date, a
dividend of $1.00 per share on the Series A Junior Participating Preferred
Stock shall nevertheless be payable on such subsequent Quarterly Dividend
Payment Date.





                                      A-2
<PAGE>   47
                 (C)      Dividends shall begin to accrue and be cumulative on
outstanding shares of Series A Junior Participating Preferred Stock from the
Quarterly Dividend Payment Date next preceding the date of issue of such shares
of Series A Junior Participating Preferred Stock, unless the date of issue of
such shares is prior to the record date for the first Quarterly Dividend
Payment Date, in which case dividends on such shares shall begin to accrue from
the date of issue of such shares, or unless the date of issue is a Quarterly
Dividend Payment Date or is a date after the record date for the determination
of holders of shares of Series A Junior Participating Preferred Stock entitled
to receive a quarterly dividend and before such Quarterly Dividend Payment
Date, in either of which events such dividends shall begin to accrue and be
cumulative from such Quarterly Dividend Payment Date.  Accrued but unpaid
dividends shall not bear interest.  Dividends paid on the shares of Series A
Junior Participating Preferred Stock in an amount less than the total amount of
such dividends at the time accrued and payable on such shares shall be
allocated pro rata on a share-by-share basis among all such shares at the time
outstanding.  The Board of Directors may fix a record date for the
determination of holders of shares of Series A Junior Participating Preferred
Stock entitled to receive payment of a dividend or distribution declared
thereon, which record date shall be no more than 30 days prior to the date
fixed for the payment thereof.

                 Section 3.   Voting Rights.  The holders of shares of Series A
Junior Participating Preferred Stock shall have the following voting rights:

                 (A)      Each share of Series A Junior Participating Preferred
Stock shall entitle the holder thereof to a number of votes equal to the
Adjustment Number on all matters submitted to a vote of the stockholders of the
Corporation.

                 (B)      Except as otherwise provided herein or by law, the
holders of shares of Series A Junior Participating Preferred Stock and the
holders of shares of Common Stock shall vote together as one class on all
matters submitted to a vote of stockholders of the Corporation.

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

                 Section 4.  Certain Restrictions.

                 (A)      Whenever quarterly dividends or other dividends or
distributions payable on the Series A Junior Participating Preferred Stock as
provided in Section 2 are in arrears, thereafter and until all accrued and
unpaid dividends and distributions, whether or not declared, on shares of
Series A Junior Participating Preferred Stock outstanding shall have been paid
in full, the Corporation shall not





                                      A-3
<PAGE>   48
                 (i)      declare or pay dividends on, make any other
distributions on, or redeem or purchase or otherwise acquire for consideration
any shares of stock ranking junior (either as to dividends or upon liquidation,
dissolution or winding up) to the Series A Junior Participating Preferred
Stock;

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

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

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

                 (B)      The Corporation shall not permit any subsidiary of
the Corporation to purchase or otherwise acquire for consideration any shares
of stock of the Corporation unless the Corporation could, under paragraph (A)
of this Section 4, purchase or otherwise acquire such shares at such time and
in such manner.

                 Section 5.  Reacquired Shares.  Any shares of Series A Junior
Participating Preferred Stock purchased or otherwise acquired by the
Corporation in any manner whatsoever shall be retired and cancelled promptly
after the acquisition thereof.  All such shares shall upon their cancellation
become authorized but unissued shares of Preferred Stock and may be reissued as
part of a new series of Preferred Stock to be created by resolution or
resolutions of the Board of Directors, subject to the conditions and
restrictions on issuance set forth herein.

                 Section 6.  Liquidation, Dissolution or Winding Up.  (A)  Upon
any liquidation (voluntary or otherwise), dissolution or winding up of the
Corporation, no distribution shall be 





                                      A-4
<PAGE>   49
made to the holders of shares of stock ranking junior (either as to dividends
or upon liquidation, dissolution or winding up) to the Series A Junior
Participating Preferred Stock unless, prior thereto, the holders of shares of
Series A Junior Participating Preferred Stock shall have received $100 per
share, plus an amount equal to accrued and unpaid dividends and distributions
thereon, whether or not declared, to the date of such payment (the "Series A
Liquidation Preference"). Following the payment of the full amount of the
Series A Liquidation Preference, no additional distributions shall be made to
the holders of shares of Series A Junior Participating Preferred Stock unless,
prior thereto, the holders of shares of Common Stock shall have received an
amount per share (the "Common Adjustment") equal to the quotient obtained by
dividing (i) the Series A Liquidation Preference by (ii) the Adjustment Number. 
Following the payment of the full amount of the Series A Liquidation Preference
and the Common Adjustment in respect of all outstanding shares of Series A
Junior Participating Preferred Stock and Common Stock, respectively, holders of
Series A Junior Participating Preferred Stock and holders of shares of Common
Stock shall receive their ratable and proportionate share of the remaining
assets to be distributed in the ratio of the Adjustment Number to 1 with
respect to such Preferred Stock and Common Stock, on a per share basis,
respectively.
        
                 (B)      In the event, however, that there are not sufficient
assets available to permit payment in full of the Series A Liquidation
Preference and the liquidation preferences of all other series of Preferred
Stock, if any, that rank on a parity with the Series A Junior Participating
Preferred Stock, then such remaining assets shall be distributed ratably to the
holders of such parity shares in proportion to their respective liquidation
preferences.  In the event, however, that there are not sufficient assets
available to permit payment in full of the Common Adjustment, then such
remaining assets shall be distributed ratably to the holders of Common Stock.

                 Section 7.  Consolidation, Merger, etc.  In case the
Corporation shall enter into any consolidation, merger, combination or other
transaction in which the shares of Common Stock are exchanged for or changed
into other stock or securities, cash and/or any other property, then in any
such case the shares of Series A Junior Participating Preferred Stock shall at
the same time be similarly exchanged or changed in an amount per share equal to
the Adjustment Number times the aggregate amount of stock, securities, cash
and/or any other property (payable in kind), as the case may be, into which or
for which each share of Common Stock is changed or exchanged.

                 Section 8.  No Redemption.  The shares of Series A Junior
Participating Preferred Stock shall not be redeemable.  Notwithstanding the
foregoing sentence of this Section, the Corporation may acquire shares of
Series A Junior Participating Preferred Stock in any other manner permitted by
law, the provisions hereof and the Restated Certificate of Incorporation of the
Corporation.






                                      A-5
<PAGE>   50
                 Section 9.  Ranking.  The Series A Junior Participating
Preferred Stock shall rank junior to all other series of the Corporation's
Preferred Stock as to the payment of dividends and the distribution of assets,
unless the terms of any such series shall provide otherwise.

                 Section 10.  Amendment.  At any time that any shares of Series
A Junior Participating Preferred Stock are outstanding, the Restated
Certificate of Incorporation of the Corporation shall not be amended in any
manner which would materially alter or change the powers, preferences or
special rights of the Series A Junior Participating Preferred Stock so as to
affect them adversely without the affirmative vote of the holders of a majority
or more of the outstanding shares of Series A Junior Participating Preferred
Stock, voting separately as a class.

                 Section 11.  Fractional Shares.  Series A Junior Participating
Preferred Stock may be issued in fractions of a share that shall entitle the
holder, in proportion to such holder's fractional shares, to exercise voting
rights, receive dividends, participate in distributions and to have the benefit
of all other rights of holders of Series A Junior Participating Preferred
Stock.

                 IN WITNESS WHEREOF, we have executed and subscribed this
Certificate and do affirm the foregoing as true under the penalties of perjury
this 31st day of August, 1995.


                                        ______________________________________
                                        V. H. Van Horn
                                        President and Chief Executive Officer
Attest:

____________________________________
A. J. Gallerano, Secretary





                                      A-6
<PAGE>   51
                                                                       Exhibit B
                                                                       ---------
                          [Form of Rights Certificate]

Certificate No. R-                                                _______ Rights


NOT EXERCISABLE AFTER AUGUST 31, 2005 OR EARLIER IF REDEEMED OR EXCHANGED 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
OR AN AFFILIATE OR ASSOCIATE OF AN ACQUIRING PERSON (AS SUCH TERMS ARE DEFINED
IN THE RIGHTS AGREEMENT) AND ANY SUBSEQUENT HOLDER OF SUCH RIGHTS WILL 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 WILL BECOME NULL AND VOID IN THE CIRCUMSTANCES AND WITH THE
EFFECT SPECIFIED IN SECTION 7(e) OF SUCH AGREEMENT.](1)

                               RIGHTS CERTIFICATE

                    NATIONAL CONVENIENCE STORES INCORPORATED

    This certifies that ________________________, or registered assigns, is the
registered owner of the number of Rights set forth above, each of which
entitles the owner thereof, subject to the terms, provisions and conditions of
the Rights Agreement, dated as of August 31, 1995 as it may from time to time
be supplemented or amended (the "Rights Agreement"), between National
Convenience Stores Incorporated, a Delaware corporation (the "Company"), and
Boatmen's Trust Company, a Missouri corporation (the "Rights Agent"), to
purchase from the Company at any time prior to 5:00 p.m. (New York City time)
on August 31, 2005 at the office or offices of the Rights Agent designated for
such purpose, or its successor as Rights Agent, one one-hundredth of a fully
paid, nonassessable share of Series A Junior Participating Preferred Stock (the
"Preferred Stock") of the Company, at a purchase price of $55 per one
one-hundredth of a share (the "Purchase Price"), upon presentation and
surrender of this Rights Certificate with the Form of Election to Purchase and
related Certificate set forth on the reverse 





____________________

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




                                      B-1
<PAGE>   52
hereof duly executed.  The Purchase Price may be paid in cash or by
certified check, cashiers or official bank check or bank draft payable to the
order of the Company or the Rights Agent.  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 August 31, 1995, based on the
Preferred Stock as constituted at such date.  The Company reserves the right to
require prior to the occurrence of a Triggering Event (as such term is defined
in the Rights Agreement) that a number of Rights be exercised so that only
whole shares of Preferred Stock will be issued.

                 From and after the occurrence of a Flip-In 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 an Acquiring Person (as such terms are defined in the Rights
Agreement), (ii) a direct or indirect transferee of any such Acquiring Person,
Associate or Affiliate, or (iii) under certain circumstances specified in the
Rights Agreement, a direct or indirect transferee of a person who, concurrently
with or after such transfer, became an Acquiring Person or an Affiliate or
Associate of an Acquiring Person, such Rights shall become null and void in the
circumstances set forth in the Rights Agreement, and no holder hereof shall
have any rights whatsoever with respect to such Rights from and after the
occurrence of such Flip-In Event.

                 As provided in the Rights Agreement, the Purchase Price and
the number and kind of shares of Preferred Stock or other securities that 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.

                 This Rights Certificate is subject to all of the terms,
provision 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 office of the Rights Agent and are also available upon written
request to the Company.

                 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 one one-hundredths
of a share of Preferred 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





                                      B-2
<PAGE>   53
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 (i) may be redeemed by the Company at its option
at a redemption price of $.01 per Right, payable, at the election of the
Company, in cash or shares of Common Stock or such other consideration as the
Board of Directors may determine, at any time prior to the earlier of the close
of business on (a) the tenth day following the Stock Acquisition Date (as
defined in the Rights Agreement) (as such time period may be extended or
shortened pursuant to the Rights Agreement) and (b) the Expiration Date (as
such term is defined in the Rights Agreement) or (ii) may be exchanged in whole
or in part for shares of the Company's Common Stock, par value $.01 per share,
and/or other equity securities of the Company deemed to have the same value as
shares of Common Stock.

                 No fractional shares of Preferred Stock will be issued upon
the exercise of any Right or Rights evidenced hereby (other than, except as set
forth above, fractions that are integral multiples of one one-hundredth of a
share of Preferred Stock, which may, at the election of the Company, be
evidenced by depositary receipts), but in lieu thereof, 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 Preferred Stock or of any other securities of the Company that may
at any time be issuable on the exercise hereof, nor shall anything contained in
the Rights Agreement or herein be construed to confer upon the holder hereof,
as such, any of the rights of a stockholder of the Company or any right to vote
for the election of directors or upon any matter submitted to stockholders at
any meeting thereof, or to give or withhold consent to any corporate action, or
to receive notice of meetings or other actions affecting stockholders (except
as provided in the Rights Agreement), or to receive dividends or subscription
rights, or otherwise, until the Right or Rights evidenced by this 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 _______________________, ____

ATTEST:                                 NATIONAL CONVENIENCE STORES INCORPORATED





                                      B-3
<PAGE>   54

____________________________            By: _____________________________
         Secretary                      Title:


Countersigned:

BOATMEN'S TRUST COMPANY


By: ________________________
    Authorized Signature





                                      B-4
<PAGE>   55
                  [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: ______________________, ____



                                        _______________________________________
                                        Signature


Signature Guaranteed:

Signatures must be guaranteed by a financial instituition which is a
participant in a Securities Transfer Association recognized signature guarantee
program.

                                  CERTIFICATE

         The undersigned hereby certifies by checking the appropriate boxes
that:

         (1)  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 an Acquiring Person (as such terms are defined
pursuant to the Rights Agreement);

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

Dated: ____________________, ____





                                      B-5
<PAGE>   56


                                        _______________________________________
                                        Signature

Signature Guaranteed:

Signatures must be guaranteed by a financial instituition which is a
participant in a Securities Transfer Association recognized signature guarantee
program.

                                     NOTICE

The signatures 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.





                                      B-6
<PAGE>   57
                          FORM OF ELECTION TO PURCHASE

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

To:   NATIONAL CONVENIENCE STORES INCORPORATED

         The undersigned hereby irrevocably elects to exercise ___________
Rights represented by this Rights Certificate to purchase the shares of
Preferred Stock issuable upon the exercise of the Rights (or such other
securities of the Company or of any other person that may be issuable upon the
exercise of the Rights) and requests that certificates for such shares (or
other securities) 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: __________________________, ____



                                        _______________________________________
                                        Signature
Signature Guaranteed:

Signatures must be guaranteed by a financial instituition which is a
participant in a Securities Transfer Association recognized signature guarantee
program.





                                      B-7
<PAGE>   58
                                  CERTIFICATE

         The undersigned hereby certifies by checking the appropriate boxes
that:

         (1)  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 an Acquiring Person (as such terms are
defined pursuant to the Rights Agreement);

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

Dated: ___________________, ____


                                        _______________________________________
                                        Signature

Signature Guaranteed:

Signatures must be guaranteed by a financial instituition which is a
participant in a Securities Transfer Association recognized signature guarantee
program.

                                     NOTICE

         The signatures 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.





                                      B-8
<PAGE>   59
                                                                       Exhibit C
                                                                       ---------

                 SUMMARY OF RIGHTS TO PURCHASE PREFERRED STOCK

         On August 31, 1995, the Board of Directors of National Convenience
Stores Incorporated (the "Company") declared a dividend of one Right for each
outstanding share of the Company's Common Stock, par value $.01 per share
("Common Stock"), payable on September 11, 1995 to stockholders of record at
the close of business on that date.  Each Right entitles the registered holder
to purchase from the Company a unit consisting of one one-hundredth of a share
(a "Unit") of Series A Junior Participating Preferred Stock, par value $l.00
per share (the "Preferred Stock"), at a Purchase Price of $55 per Unit, subject
to adjustment.  The description and terms of the Rights are set forth in a
Rights Agreement dated as of August 31, 1995 (the "Rights Agreement") between
the Company and Boatmen's Trust Company, as Rights Agent.

         Initially, the Rights will be attached to all certificates
representing outstanding shares of Common Stock, 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) ten 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 10% or more of the outstanding shares of
Common Stock (the date of the announcement being the "Stock Acquisition Date"),
or (ii) ten business days (or such later date as may be determined by the
Company's Board of Directors before the Distribution Date occurs) following the
commencement of a tender offer or exchange offer that would result in a
person's becoming an Acquiring Person.  Until the Distribution Date, (a) the
Rights will be evidenced by the Common Stock certificates (together with a copy
of this Summary of Rights or bearing the notation referred to below) and will
be transferred with and only with such Common Stock certificates, (b) new
Common Stock certificates issued after September 11, 1995 will contain a
notation incorporating the Rights Agreement by reference and (c) the surrender
for transfer of any certificate for Common Stock outstanding (with or without a
copy of this Summary of Rights) will also constitute the transfer of the Rights
associated with the Common Stock represented by such certificate.

         The Company, its subsidiaries and their employee benefit plans will
not at any time be deemed Acquiring Persons.

         The Rights are not exercisable until the Distribution Date and will
expire at the close of business on August 31, 2005, unless earlier redeemed or
exchanged by the Company as described below.  Pursuant to the Rights Agreement,
the Company reserves the right to require prior to the occurrence of a
Triggering Event (as defined below) that, upon any exercise of Rights, a number
of Rights be exercised so that only whole shares of Preferred Stock will be
issued.





                                      C-1
<PAGE>   60
         As soon as practicable after the Distribution Date, Rights
Certificates will be mailed to holders of record of Common Stock as of the
close of business on the Distribution Date and, from and after the Distribution
Date, the separate Rights Certificates alone will represent the Rights.  All
shares of Common Stock issued prior to the Distribution Date will be issued
with Rights. Shares of Common Stock issued after the Distribution Date in
connection with certain employee benefit plans or upon exercise or conversion
of certain securities will be issued with Rights.  Except as otherwise
determined by the Board of Directors, no other shares of Common Stock issued
after the Distribution Date will be issued with Rights.

         In the event (a "Flip-In Event") that a Person becomes an Acquiring
Person, each holder of a Right will thereafter have the right to receive, upon
exercise of such Right, a number of shares of Common Stock (or, in certain
circumstances, cash, property or other securities of the Company) having a
Current Market Price (as defined in the Rights Agreement) equal to two times
the exercise price of the Right.  Notwithstanding any of the foregoing,
following the occurrence of any Flip-In Event, all Rights that are, or (under
certain circumstances specified in the Rights Agreement) were, beneficially
owned by any Acquiring Person (or by certain related parties) will be null and
void in the circumstances set forth in the Rights Agreement.  However, Rights
are not exercisable following the occurrence of any Flip-In Event until such
time as the Rights are no longer redeemable by the Company as set forth below.

         For example, at an exercise price of $55 per Right, each Right not
owned by an Acquiring Person (or by certain related parties) following an event
set forth in the preceding paragraph would entitle its holder to purchase $110
worth of Common Stock (or other consideration, as noted above), based upon its
Current Market Price, for $55.  Assuming that the Common Stock had a Current
Market Price of $22 per share at such time, the holder of each valid Right
would be entitled to purchase 5 shares of Common Stock for $55.

         In the event (a "Flip-Over Event") that, at any time on or after the
Stock Acquisition Date, (i) the Company is acquired in a merger or other
business combination transaction or (ii) 50% or more of the Company's assets or
earning power is sold or transferred, each holder of a Right (except Rights
that previously have been voided as set forth above) shall thereafter have the
right to receive, upon exercise, a number of shares of common stock of the
acquiring company having a Current Market Price equal to two times the exercise
price of the Right.  Flip-In Events and Flip-Over Events are collectively
referred to as "Triggering Events."

         The Purchase Price payable, and the number of Units of Preferred Stock
or other securities or property issuable, upon exercise of the Rights are
subject to adjustment from time to time to prevent dilution (i) in the event of
a stock dividend on, or a subdivision, combination or reclassification of, the
Preferred Stock, (ii) if holders of the Preferred Stock are granted certain
rights or warrants to subscribe for Preferred Stock or convertible securities
at less than the current market price of the Preferred Stock, or (iii) upon the
distribution to holders of the 





                                      C-2
<PAGE>   61
Preferred Stock of evidences of indebtedness or assets (excluding regular 
quarterly cash dividends) or of subscription rights or warrants (other 
than those referred to above).

         The number of outstanding Rights and the number of Units issuable upon
exercise of each Right are also subject to adjustment in the event of a stock
split of the Common Stock or a stock dividend on the Common Stock payable in
shares of Common Stock or subdivisions, consolidations or combinations of the
Common Stock occurring, in any such case, prior to the Distribution Date.

         The shares of Preferred Stock purchasable upon exercise of the Rights
will not be redeemable.  Each share of Preferred Stock will be entitled to a
minimum preferential quarterly dividend payment of $1 per share but will be
entitled to an aggregate dividend of 100 times the dividend declared per share
of Common Stock.  In the event of liquidation, the holders of the Preferred
Stock will be entitled to a minimum preferential liquidation payment of $100
per share but will be entitled to an aggregate payment of 100 times the payment
made per share of Common Stock.  Each share of Preferred Stock will have 100
votes, voting together with the Common Stock.  Finally, in the event of any
merger, consolidation or other transaction in which shares of Common Stock are
exchanged, each share of Preferred Stock will be entitled to receive 100 times
the amount received per share of Common Stock.  These rights are protected by
customary antidilution provisions.

         Because of the nature of the Preferred Stock's dividend, liquidation
and voting rights, the value of the one one-hundredth interest in a share of
Preferred Stock purchasable upon exercise of each Right should approximate the
value of one share of Common Stock.

         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 Units will be issued and, in lieu thereof, an adjustment
in cash will be made based on the market price of the Preferred Stock on the
last trading date prior to the date of exercise.

         At any time until ten days following the Stock Acquisition Date, the
Company may redeem the Rights in whole, but not in part, at a price of $.01 per
Right, payable, at the option of the Company, in cash, shares of Common Stock
or such other consideration as the Board of Directors may determine.
Immediately upon the effectiveness of the action of the Board of Directors
ordering redemption of the Rights, the Rights will terminate and the only right
of the holders of Rights will be to receive the $.01 redemption price.

         At any time after the occurrence of a Flip-In Event, the Company may
exchange the Rights (other than Rights owned by an Acquiring Person or an
affiliate or an associate of an Acquiring Person, which will have become void),
in whole or in part, at an exchange ratio of one share of Common Stock, and/or
other equity securities deemed to have the same value as one share of Common
Stock, per Right, subject to adjustment.





                                      C-3
<PAGE>   62
         Until a Right is exercised, the holder thereof, as such, will have no
rights as a stockholder of the Company, including, without limitation, the
right to vote or to receive dividends.  While the distribution of the Rights
will not be taxable to stockholders or to the Company, stockholders may,
depending upon the circumstances, recognize taxable income in the event that
the Rights become exercisable for Common Stock (or other consideration) of the
Company or for the common stock of the acquiring company as set forth above or
are exchanged as provided in the preceding paragraph.

         Other than those provisions relating to the principal economic terms
of the Rights, any of the provisions of the Rights Agreement may be amended by
the Board of Directors of the Company prior to the Distribution Date.
Thereafter, the provisions of the Rights Agreement may be amended by the Board
of Directors in order to cure any ambiguity, defect or inconsistency, to make
changes that do not materially adversely effect the interests of holders of
Rights (excluding the interests of any Acquiring Person and certain related
parties), or to shorten or lengthen any time period under the Rights Agreement;
provided, however, that no amendment to lengthen the time period governing
redemption shall be made 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 Registration Statement on Form 8-A.  A
copy of the Rights Agreement is available free of charge from the Company.
This summary description of the Rights does not purport to be complete and is
qualified in its entirety by reference to the Rights Agreement, which is
incorporated herein by reference.





                                      C-4


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