SONIC CORP
8-A12G, 1997-06-17
EATING PLACES
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<PAGE>
                          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


                                     SONIC CORP.
                (Exact name of registrant as specified in its charter)




        Delaware                                   73-1371046
- - ---------------------------            ---------------------------------------
(State of incorporation                (I.R.S. Employer Identification No.)
 or organization)

101 Park Avenue
Oklahoma City, Oklahoma                                    73102
- - --------------------------------            ----------------------------------
(Address of principal                       (Zip Code)
executive offices)      


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

None                                   N/A                                  
- - -------------------                    ---------------------------------------


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

Title of each class to be so registered
- - ---------------------------------------
Rights


<PAGE>

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


    On June 16, 1997, the Board of Directors of Sonic Corp. (the "Company")
declared a dividend distribution of one right (a "Right") for each outstanding
share of Common Stock, par value $.01 per share (the "Common Stock"), of the
Company.  Each Right entitles the registered holder to purchase from the Company
one one-thousandth of a share of Series A Junior Preferred Stock, par value $.01
per share (the "Preferred Stock") at a price of $85 per one one-thousandth of a
share ( the "Exercise Price"), subject to adjustment.  The description and terms
of the Rights are set forth in a Rights Agreement.

    Initially, the Rights will be attached to all Common Stock certificates
representing shares then outstanding and no separate Rights Certificate will be
distributed.  The Rights will separate from the Common Stock and a "Distribution
Date" will occur upon the day which is the earlier of (i) the tenth day
following a public announcement that a person or group of affiliated or
associated persons, with certain exceptions set forth below, has acquired
beneficial ownership of 15% or more of any class of the outstanding voting stock
of the Company (an "Acquiring Person") and (ii) the tenth business day after the
date of the commencement or announcement of a person's or group's intention to
commence a tender or exchange offer the consummation of which would result in
the ownership of 15% or more of any class of the Company's outstanding voting
stock (even if no shares are actually purchased pursuant to such offer), or such
later date as may be determined by a majority of the Board of Directors and the
Continuing Directors (as defined below).

    An Acquiring Person does not include the Company, any subsidiary of the
Company, any employee benefit plan or employee stock plan of the Company or any
person or group whose ownership of 15% or more of the shares of any class of
voting stock of the Company then outstanding results solely from (i) any action
or transaction or transactions approved by a majority of the Board of Directors
and the Continuing Directors before such person or group became an Acquiring
Person or (ii) a reduction in the number of issued and outstanding shares of

                                     2

<PAGE>

voting stock of the Company pursuant to a transaction or transactions approved
by a majority of the Board of Directors and the Continuing Directors.

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

    In the event that, without the approval of the Board of Directors (and the
Continuing Directors), an Acquiring Person becomes the beneficial owner of 15%
or more of the then outstanding shares of Common Stock (unless such acquisition
is made pursuant to a tender or exchange offer for all outstanding shares of the
Company, at a price determined by a majority of the independent directors of the
Company who are not representatives, nominees, Affiliates or Associates of an
Acquiring Person to be fair and otherwise in the best interest of the Company
and its stockholders), each holder of a Right will thereafter have the right to
receive, upon exercise, Common Stock (or, in certain circumstances, cash,
property or other securities of the Company) having a value equal to two times
the Exercise Price.  Notwithstanding any of the foregoing, following the
occurrence of any of the events set forth in this paragraph (the "Flip-In
Events"), all Rights that are or (under  certain circumstances specified in the
Rights Agreement) were beneficially owned by any Acquiring Person will be null
and void.  However, Rights are not exercisable following the occurrence of any
of the Flip-In Events set for the above until such time as the Rights are no
longer redeemable by the Company as set forth below.

    In the event that following the Stock Acquisition Date, without the
approval of the Board of Directors (and the Continuing Directors), (i) the
Company engages in a merger or business combination transaction in which the
Company is not the surviving corporation (other than a merger that follows a
tender offer determined to be fair to the stockholders of the Company, as
described in the preceding paragraph); (ii) the Company engages in a merger or
business combination transaction in which the Company is the surviving
corporation and the Common 

                                  3

<PAGE>

Stock is changed or exchanged; or (iii) 50% or more of the Company's assets 
or earning power is sold or transferred, each holder of a Right (except 
Rights which have previously been voided as set forth above) shall thereafter 
have the right to receive, upon exercise of the Right, common stock of the 
acquiring company having a value equal to two times the Exercise Price.

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

    Fractions of shares of Preferred Stock (other than fractions which are
integral multiples of one one-thousandth of a share) may, at the election of the
Company, be evidenced by depositary receipts.  The Company may also issue cash
in lieu of fractional shares which are not integral multiples of one
one-thousandth of a share.

    The Rights are not exercisable until the Distribution Date.  The Rights
will expire at the close of business on June 16, 2007, unless earlier redeemed
or exchanged by the Company, in each case as described below.

    Until the Distribution Date (or earlier redemption or expiration of the
Rights), new Common Stock certificates issued after June 27, 1997 will contain a
legend incorporating the Rights Agreement by reference.  As soon as practicable
following the Distribution Date, separate 

                                      4

<PAGE>

certificates evidencing the Rights ("Rights Certificates") will be mailed to 
holders of record of the Common Stock as of the close of business on the 
Distribution Date and such separate certificates alone will evidence the 
Rights from and after the Distribution Date.

    The Company may redeem the Right in whole, but not in part, any time on or
prior to the close of business on the earlier of (i) the tenth day after the
time that a person (or group of affiliated or associated persons) has become an
Acquiring Person (or such later date as a majority of the Board of Directors and
the Continuing Directors may determine) or (ii) June 16, 2007, at a price of
$.01 per Right (the "Redemption Price"), with the approval of the Continuing
Directors.  Immediately upon the effective time of the action of the Board of
Directors of the Company authorizing redemption of the Rights, the right to
exercise the Rights will terminate and the only right of the holders of Rights
will be to receive the Redemption Price.

    For as long as the Rights are then redeemable, the Company may amend the
Rights in any manner, including an amendment to extend the time period in which
the Rights may be redeemed.  At any time when the Rights are not then
redeemable, the Company may amend the Rights in any manner that does not
materially adversely affect the interests of holders of the Rights as such. 
Amendments to the Rights Agreement require the approval of the Continuing
Directors.

    The Company may exchange, in whole or in part, the Rights (other than
Rights owned by an Acquiring Person) at any time after a person (or group of
affiliated or associated persons) becomes an Acquiring Person and prior to the
acquisition by any such person or group of 50% or more of any class of
outstanding voting stock of the Company, at an exchange ratio of one share of
Common Stock (or a fraction of a share of Preferred Stock or other consideration
having equivalent market value) per Right (subject to adjustment).

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

                                          5

<PAGE>

Item 2.       Exhibits.
- - -------       ---------

1.            Form of Rights Agreement (the "Rights Agreement"). 
    
2.            Form of Certificate of Designations of Series A Junior
              Preferred Stock, included as Exhibit A to the Rights Agreement.   
    
3.            Detailed Summary of Rights, included as Exhibit B to the Rights
              Agreement.     
 
4.            Form of Rights Certificate, included as Exhibit C to the Rights
              Agreement.


                                       6

<PAGE>


                                      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.





                                  Sonic Corp.                                   
                                  -------------------------------
                                                                     
                                        (Registrant)



Dated:  June 17, 1997
                             By:   /s/ J. Clifford Hudson
                                  --------------------------------
                                  Name:     J. Clifford Hudson
                                  Title:    President and
                                            Chief Executive Officer
 

                                      7

<PAGE>

                                    EXHIBIT INDEX

                                            
Exhibit No.        Description                                        Page No.
- - -----------        -----------                                        ---------
1.                 Form of Rights Agreement.

2.                 Form of Certificate of Designations
                   of Series A Junior Preferred 
                   Stock, included as Exhibit A to the Rights  
                   Agreement.     

3.                 Detailed Summary of Rights, included as Exhibit B 
                   to the Rights Agreement. 

4.                 Form of Rights Certificate, included as Exhibit C 
                   to the Rights Agreement. 



<PAGE>

                                                                       Exhibit 1



                                       FORM OF



                                   RIGHTS AGREEMENT



                                       BETWEEN




                                     SONIC CORP.
                                           
                                           
                                         and
                                           
                                           
                          [_______________________________]
                                           
                                   as Rights Agent
                                           
                                           
                                           
                              Dated as of June 16, 1997
                                           
                                           
                                            
<PAGE>

                                  TABLE OF CONTENTS


    Section                                                                Page

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

2.  Appointment of Rights Agent.............................................. 2

3.  Issuance of Rights Certificates......................................... 12

4.  Form of Rights Certificates............................................. 15

5.  Countersignature and Registration....................................... 16

6.  Transfer, Split Up, Combination and Exchange of Rights Certificates;
    Mutilated, Destroyed, Lost or Stolen Rights Certificates................ 17

7.  Exercise of Rights; Exercise Price; Expiration Date of Rights........... 19

8.  Cancellation and Destruction of Rights Certificates..................... 24

9.  Reservation and Availability of Shares of Preferred Stock............... 24

10. Preferred Stock Record Date............................................. 28

11. Adjustment of Exercise Price, Number and Kind of Shares or Number of
    Rights.................................................................. 29

12. Certification of Adjusted Exercise Price or Number of Shares............ 46

13. Consolidation, Merger or Sale or Transfer of Assets or Earning Power.... 46

14. Fractional Rights and Fractional Shares................................. 54

15. Rights of Action........................................................ 55

16. Agreement of Right Holders.............................................. 56

17. Rights Certificate Holder Not Deemed a Stockholder...................... 57

18. Concerning the Rights Agent............................................. 58

19. Merger or Consolidation of, or Change in Name of, the Rights Agent...... 59

                                        i

<PAGE>

20. Duties of Rights Agent.................................................. 61

21. Change of Rights Agent.................................................. 64

24. Exchange................................................................ 69

25. Notice of Proposed Actions.............................................. 73

26. Notices................................................................. 74

27. Supplements and Amendments.............................................. 75

28. Successors.............................................................. 76

29. Benefits of this Rights Agreement....................................... 77

30. Determinations and Actions by the Board; etc............................ 77

31. Delaware Contract....................................................... 78

32. Counterparts............................................................ 78

33. Descriptive Headings.................................................... 79

34. Severability............................................................ 79



    Exhibit A  --  Form of Certificate of Designations of Series A Junior
                   Preferred Stock
    Exhibit B  --  Summary of Rights
    Exhibit C  --  Form of Rights Certificate
 
                                       ii

<PAGE>

                                   RIGHTS AGREEMENT


         Agreement, dated as of June 16, 1997, by and between SONIC CORP., a
Delaware corporation (the "Company"), and _______________________________ 
(the "Rights Agent").

                                W I T N E S S E T H :
         WHEREAS, on June 16, 1997, the Board of Directors of the Company 
authorized the issuance, and declared a dividend, of one right (a "Right") 
for each share of Common Stock, $.01 par value per share, of the Company 
outstanding as of the close of business on June 27, 1997 (the "Record Date"), 
each such Right representing the right to purchase one one-thousandth of a 
share of Series A Junior Preferred Stock of the Company ("Preferred Stock") 
having the rights and preferences set forth in the form of Certificate of 
Designations attached hereto as Exhibit A authorized by the Board of 
Directors on June 16, 1997, upon the terms and subject to the conditions 
hereinafter set forth; and

         WHEREAS, the Board of Directors of the Company further authorized the
issuance of one Right (subject to adjustment) with respect to each share of
Common Stock which may be issued between the Record Date and the earlier to
occur of the Redemption Date or the Final Expiration Date (as such terms are
hereinafter defined);


<PAGE>

         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:

              (a)  "Acquiring Person" shall mean any Person (as such term is
         hereinafter defined) who or which, together with all Affiliates and
         Associates (as such terms are hereinafter defined) of such Person,
         shall be the Beneficial Owner (as such term is hereinafter defined) of
         15% or more of the shares of any class of Voting Stock (as such term
         is hereinafter defined) of the Company then outstanding; provided
         that, an Acquiring Person shall not include (i) an Exempt Person (as
         such term is hereinafter defined) or (ii) any Person, together with
         all Affiliates and Associates of such Person, who or which would be an
         Acquiring Person solely by reason of (x) being the Beneficial Owner of
         shares of Voting Stock of the Company, the Beneficial Ownership of
         which was acquired by such Person pursuant to any action or
         transaction or series of related actions or transactions approved by
         the Board of Directors before such Person otherwise became an
         Acquiring Person or (y) a reduction in the number of issued 

                                        2

<PAGE>

         and outstanding shares of Voting Stock of the Company pursuant to a
         transaction or a series of related transactions approved by the Board
         of Directors of the Company (upon approval, in the case of subclauses
         (x) and (y), by a majority of the Continuing Directors (as such term
         is hereinafter defined)); provided, further, in the event such Person
         described in this clause (ii) does not become an Acquiring Person by
         reason of subclause (x) or (y) of this clause (ii) or such Person set
         forth in this clause (ii) nonetheless shall become an Acquiring Person
         in the event such Person thereafter acquires Beneficial Ownership of
         any additional shares of the Voting Stock of the Company, unless the
         acquisition of such additional Voting Stock would not result in such
         Person becoming an Acquiring Person by reason of subclause (x) or (y)
         of this clause (ii).  Notwithstanding the foregoing, if the Board of
         Directors of the Company determines in good faith (upon approval by a
         majority of the Continuing Directors) that a Person who would
         otherwise be an "Acquiring Person" as defined pursuant to the
         foregoing provisions of this paragraph (a) has become such
         inadvertently, and such Person divests as promptly as practicable a
         sufficient number of shares of Common Stock so that such Person would

                                        3

<PAGE>

         no longer be an "Acquiring Person" as defined pursuant to the
         foregoing provisions of this paragraph (a), then such Person shall not
         be deemed an "Acquiring Person" for any purposes of this Rights
         Agreement.

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

         (c)  A person shall be deemed the "Beneficial Owner" of, or to
    "Beneficially Own", any securities (and correlative terms shall have
    correlative meanings);

                   (i)  which such Person or any of such Person's Affiliates or
         Associates, directly or indirectly, "beneficially owns" (as determined
         pursuant to Rule 13d-3 of the General Rules and Regulations under the
         Exchange Act); or

                   (ii) which such Person or any of such Person's Affiliates or
         Associates, directly or indirectly, has (A) the right to acquire
         (whether such right is exercisable immediately or only after the
         passage of time or the fulfillment of a condition or both) pursuant to
         any agreement, arrangement or understanding, or upon the exercise 

                                        4

<PAGE>

         of conversion rights, exchange rights, other rights (other than these
         Rights), warrants or options, or otherwise; provided, however, that a
         Person shall not be deemed the "Beneficial Owner" of, or to
         "Beneficially Own", securities tendered pursuant to a tender or
         exchange offer made by such Person or any of such Person's Affiliates
         or Associates until such tendered securities are accepted for purchase
         or exchange or (B) the right to vote, alone or in concert with others,
         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 securities if
         the agreement, arrangement or understanding to vote such security (1)
         arises solely from a revocable proxy or consent given in response to a
         proxy or consent solicitation made pursuant to, and in accordance
         with, the applicable rules and regulations under the Exchange Act and
         (2) is not at the time reportable by such Person on a Schedule 13D
         report under the Exchange Act (or any comparable or successor report);
         or

                   (iii)     which are beneficially owned, directly or
         indirectly, by any other Person with which such Person or any of such
         Person's 

                                        5

<PAGE>

         Affiliates or Associates has any agreement, arrangement or
         understanding (whether or not in writing) for the purpose of
         acquiring, holding, voting (except as described in clause (B) of
         subparagraph (ii) of this paragraph (c)) or disposing of any
         securities of the Company.

                   Notwithstanding anything in this paragraph (c) to the
         contrary, if a Person, who together with any other stockholders of the
         Company holds, in the aggregate, greater than 50% of the Voting Stock
         of the Company, approves any action of the stockholders by written
         consent in lieu of a stockholders meeting, such Person shall be deemed
         to be the "Beneficial Owner" of all of the Voting Stock that is voted
         pursuant to such written consent.  Further, notwithstanding anything
         in this paragraph (c) to the contrary, a Person engaged in the
         business of underwriting securities shall not be deemed the
         "Beneficial Owner" of, or to "Beneficially Own," any securities
         acquired in good faith in a firm commitment underwriting until the
         expiration of forty days after the date of such acquisition.

              Notwithstanding anything in this paragraph (c) to the contrary,
         the phrase "then outstanding," when used with reference to a Person's
         Beneficial Ownership of securities of the 

                                        6

<PAGE>

         Company, shall mean the number of such securities then issued and 
         outstanding together with the number of such securities not then 
         actually issued and outstanding which such Person would be deemed to 
         own beneficially hereunder.

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

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

         (f)  "Common Stock" when used with reference to the Company shall mean
    the Common Stock (presently $.01 par value) of the Company.  "Common Stock"
    when used with reference to any Person other than the Company which shall
    be organized in corporate form shall mean the capital stock or other equity
    security with the greatest per share voting power of such Person or, if
    such other Person is a Subsidiary of another Person, the Person or Persons
    which ultimately control such first-mentioned Person.  "Common Stock" when
    used with reference to any Person other than the Company which shall not be
    organized in corporate form shall mean units of beneficial interest which
    shall represent the 

                                        7

<PAGE>

    right to participate in profits, losses, deductions and credits of such 
    Person and which shall be entitled to exercise the greatest voting power 
    per unit of such Person or, if such other Person is a Subsidiary of 
    another Person, the Person or Persons which ultimately control such 
    first-mentioned Person.

         (g)  "Continuing Director" shall mean any member of the Board of
    Directors, while such person is a member of the Board of Directors, who is
    not an Acquiring Person, or an Affiliate or Associate of an Acquiring
    Person, or a representative or nominee of an Acquiring Person or of any
    such Affiliate or Associate, and who either (i) was a member of the Board
    of Directors on the date of this Agreement or (ii) subsequently became a
    member of the Board of Directors, and whose nomination for election or
    election to the Board of Directors was recommended or approved by a
    majority of the Continuing Directors then on the Board of Directors.

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

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

         (j)  "Exempt Person" shall mean (i) the Company, (ii) any Subsidiary
    of the Company or (iii) any employee benefit plan or employee stock plan of
    the Company or any Subsidiary of the Company, or any trust 

                                        8

<PAGE>

    or other entity organized, appointed, established or holding Common Stock 
    for or pursuant to the terms of any such plan.

         (k)  "Exercise Price" shall have the meaning set forth in Section 4
    and 7(b) hereof.

         (l)  "Fair Market Value" of any property shall mean the fair market
    value of such property as determined in accordance with Section 11(d)
    hereof.

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

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

         (o)  "Preferred Stock" shall mean shares of Series A Junior Preferred
    Stock, $.01 par value, of the Company and, to the extent that there is not
    a sufficient number of shares of Series A Junior Preferred Stock authorized
    to permit the full exercise of the Rights, any other series of Preferred
    Stock, $.01 par value, of the Company designated for such purpose
    containing terms substantially similar to the terms of the Series A Junior
    Preferred Stock.

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

         (q)  "Record Date" shall have the meaning set forth in the recital. 

                                        9

<PAGE>

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

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

         (t)  "Rights Certificate" shall have the meaning set forth in Section
    3(d) hereof.

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

         (v)  "Stock Acquisition Date" shall mean the first date on which there
    shall be a public announcement by the Company or an Acquiring Person that
    an Acquiring Person has become such (which, for purposes of this
    definition, shall include, without limitation, a report filed pursuant to
    Section 13(d) of the Exchange Act) or such earlier date as a majority of
    the Continuing Directors shall become aware of the existence of an
    Acquiring Person.

         (w)  "Subsidiary" of a Person shall mean any corporation or other
    entity of which securities or other ownership interests having voting power
    sufficient to elect a majority of the board of directors or other persons
    performing similar functions are beneficially owned, directly or
    indirectly, by such Person or by any corporation or other entity that is
    otherwise controlled by such Person.

         (x)  "Summary of Rights" shall have the meaning set forth in Section
    3(a) hereof.

                                       10

<PAGE>

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

         (z)  "Transfer Tax" shall mean any tax or charge, including any
    documentary stamp tax, imposed or collected by any governmental or
    regulatory authority in respect of any transfer of any security, instrument
    or right, including Rights, shares of Common Stock and Shares of Preferred
    Stock.

         (aa) "Triggering Event" shall mean any event described in Section
    11(a)(ii) or Section 13(a).

         (bb) "Voting Stock" shall mean (i) the Common Stock of the Company and
    (ii) any other shares of capital stock of the Company entitled to vote
    generally in the election of directors or entitled to vote together with
    the Common Stock in respect of any merger, consolidation, sale of all or
    substantially all of the Company's assets, liquidation, dissolution or
    winding up.

         Section 2.  Appointment of Rights Agent.  The Company hereby appoints
the Rights Agent to act as agent for the Company 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.

                                       11

<PAGE>

         Section 3.  Issuance of Rights Certificates.  

         (a)  On the Record Date (or as soon as practicable thereafter), the
Company or the Rights Agent shall send a copy of a Summary of Rights, in
substantially the form attached hereto as Exhibit B (the "Summary of Rights"),
by first class mail, postage prepaid, to each record holder of the Common Stock
as of the close of business on the Record Date, at the address of such holder
shown on the records of the Company.

         (b)  Until the Close of Business on the day (or such later date as may
be determined by action of the Board of Directors, upon approval by a majority
of the Continuing Directors) which is the earlier of (i) the tenth day after the
Stock Acquisition Date or (ii) the tenth Business Day after the date of the
commencement by any person (other than an Exempt Person) of, or the first public
announcement of the intent of any Person (other than an Exempt Person) to
commence, a tender or exchange offer upon the successful consummation of which
such Person, together with its Affiliates and Associates, would be the
Beneficial Owner of 15% or more of any class of the then outstanding shares of
Voting Stock of the Company (irrespective of whether any shares are actually
purchased pursuant to any such offer) (the earlier of such dates being herein
referred to as the "Distribution Date"), (x) the Rights shall be evidenced by
the certificates for Common Stock registered in the name of the holders of
Common Stock (together with, in the case of 

                                       12

<PAGE>

certificates for Common Stock outstanding as of the Record Date, the Summary 
of Rights) and not by separate Rights Certificates and the record holders of 
such certificates for Common Stock shall be the record holders of the Rights 
represented thereby and (y) each Right shall be transferable only 
simultaneously and together with the transfer of a share of Common Stock 
(subject to adjustment as hereinafter provided).  Until the Distribution Date 
(or, if earlier, the Redemption Date or Final Expiration Date), the surrender 
for transfer of any certificate for Common Stock shall constitute the 
surrender for transfer of the Right or Rights associated with the Common 
Stock evidenced thereby, whether or not accompanied by a copy of the Summary 
of Rights.

         (c)  Rights shall be issued in respect of all shares of Common Stock
that become outstanding after the Record Date but prior to the earliest of the
Distribution Date, the Redemption Date or the Final Expiration Date and, in
certain circumstances provided in Section 22 hereof, may be issued in respect of
shares of Common Stock that become outstanding after the Distribution Date. 
Certificates for Common Stock issued (including, without limitation,
certificates issued upon original issuance, disposition from the Company's
treasury or transfer or exchange of Common Stock) after the Record Date but
prior to the earliest of the Distribution Date, the Redemption Date, or the
Final Expiration Date (or, in certain circumstances as provided in Section 22
hereof, after the Distribution Date) shall have 

                                       13

<PAGE>

impressed, printed, written or stamped thereon or otherwise affixed thereto 
the following legend:

              This certificate also evidences and entitles the holder
         hereof to the same number of Rights (subject to adjustment) as
         the number of shares of Common Stock represented by this
         certificate, such Rights being on the terms provided under the
         Rights Agreement between Sonic Corp., and
         ____________________________ (the "Rights Agent"), dated as of
         June 16, 1997, as it may be amended from time to time (the
         "Rights Agreement"), the terms of which are incorporated herein
         by reference and a copy of which is on file at the principal
         executive offices of Sonic Corp.  Under certain circumstances, as
         set forth in the Rights Agreement, such Rights shall be evidenced
         by separate certificates and shall no longer be evidenced by this
         certificate.  Sonic Corp. shall mail to the registered holder of
         this certificate a copy of the Rights Agreement without charge
         after receipt of a written request therefor.  Under certain
         circumstances as provided in Section 7(e) of the Rights
         Agreement, Rights issued to or Beneficially Owned by Acquiring
         Persons or their Affiliates or Associates (as such terms are
         defined in the Rights Agreement) or any subsequent holder of such
         Rights shall be null and void and may not be transferred to any
         Person.

         (d)  As soon as practicable after the Distribution Date, the Company
will prepare and execute, the Rights Agent will countersign, and the Company
will send or cause to be sent (and the Rights Agent will, if requested, send),
by first class mail, postage prepaid, to each record holder of the Common Stock
as of the Close of Business on the Distribution Date, as shown by the records of
the Company, at the address of such holder shown on such records, a 

                                       14

<PAGE>

certificate in the form provided by Section 4 hereof (a "Rights 
Certificate"), evidencing one Right (subject to adjustment as provided 
herein) for each share of Common Stock so held.  As of and after the 
Distribution Date, the rights shall be evidenced solely by Rights 
Certificates and may be transferred by the transfer of the Rights Certificate 
as permitted hereby, separately and apart from any transfer of one or more 
shares of Common Stock.

         Section 4.  Form of Rights Certificates.  

         The Rights Certificates (and the forms of election to purchase shares,
certificate and assignment to be printed on the reverse thereof), when, as and
if issued, shall be substantially in the form set forth in Exhibit C hereto and
may have such marks of identification or designation and such legends, summaries
or endorsements printed thereon as may be required to comply with any law or
with any rule or regulation made pursuant thereto or with any rule or regulation
of any stock exchange on which the Common Stock or the Rights may from time to
time be listed or as the Company may deem appropriate to conform to usage or
otherwise and as are not inconsistent with the provisions of this Rights
Agreement.  Subject to the provisions of Section 22 hereof, Rights Certificates
evidencing Rights whenever issued (i) shall be dated as of the date of issuance
of the Rights they represent and (ii) subject to adjustment from time to time as
provided herein, on their face shall entitle the holders thereof to purchase
such number of shares 

                                       15

<PAGE>

(including fractional shares which are integral multiples of one-thousandth 
of a share) of Preferred Stock as shall be set forth therein at the price 
payable upon exercise of a Right provided by Section 7(b) hereof as the same 
may from time to time be adjusted as provided herein (the "Exercise Price").

         Section 5.  Countersignature and Registration.  

         (a)  Each Rights Certificate shall be executed on behalf of the
Company by its Chairman of the Board, President, any Vice President or its
Treasurer, either manually or by facsimile signature.  Each Rights Certificate
shall be countersigned by the Rights Agent manually and shall not be valid for
any purpose unless so countersigned.  In case any officer of the Company who
shall have signed any Rights Certificate shall cease to be such officer of the
Company before countersignature by the Rights Agent and issuance and delivery of
the certificate by the Company, such Rights Certificate, nevertheless, may be
countersigned by the Rights Agent and issued and delivered with the same force
and effect as though the person who signed such Rights Certificates had not
ceased to be such officer of the Company.  Any Rights Certificate may be signed
on behalf of the Company by any person who, on the 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.

                                       16

<PAGE>

         (b)  Following the Distribution Date, the Rights Agent will keep or
cause to be kept, at its principal office or one or more offices designated as
the appropriate place for surrender of Rights Certificates upon exercise or
transfer, and in such other locations as may be required by law, 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 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 Sections 7(e), 7(f), 14 and 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 earlier of the Redemption Date or the
Final Expiration Date, any Rights Certificate may be (i) transferred or (ii)
split up, combined or exchanged for one or more other Rights Certificates,
entitling the registered holder to purchase a like number of shares of Preferred
Stock as the Rights Certificate or Rights Certificates surrendered then entitled
such holder to purchase.  Any registered holder desiring to transfer any Rights
Certificate shall surrender the Rights Certificate at the office of the Rights
Agent designated for the surrender of 

                                       17

<PAGE>

Rights Certificates with the form of certificate and assignment on the 
reverse side thereof duly endorsed (or enclosed with such Rights Certificate 
a written instrument of transfer in form satisfactory to the Company and the 
Rights Agent), duly executed by the registered holder thereof or his attorney 
duly authorized in writing, and with such signature duly guaranteed.  Any 
registered holder desiring to split up, combine or exchange any Rights 
Certificate shall make such request in writing delivered to the Rights Agent, 
and shall surrender the Rights Certificate to be split up, combined or 
exchanged at the office of the Rights Agent designated therefor.  Thereupon, 
the Rights Agent shall 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 of a sum sufficient to cover any 
Transfer Tax that may be imposed in connection with any transfer, split up, 
combination or exchange of any Rights Certificates.
         (b)  Subject to the provisions of Sections 7(e), 7(f), 14 and 24
hereof, 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, if requested by the Company,
reimbursement to the Company and the Rights Agent of all reasonable expenses
incidental thereto, or upon surrender to the Rights Agent and 

                                       18

<PAGE>

cancellation of the Rights Certificate if mutilated, the Company shall issue 
and deliver a new Rights Certificate of like tenor to the Rights Agent for 
delivery to the registered owner in lieu of the Rights Certificate so lost, 
stolen, destroyed or mutilated.
         Section 7.  Exercise of Rights; Exercise Price; Expiration Date of
Rights.  
         (a)  The Rights shall not be exercisable until, and shall become
exercisable on, the Distribution Date (unless otherwise provided herein,
including, without limitation, the restrictions on exercisability set forth in
Sections 7(e), 23(b) and 24 hereof).  Except as otherwise provided herein, the
Rights may be exercised, in whole or in part, at any time commencing with the
Distribution Date upon surrender of the Rights Certificate, with the form of
election to purchase and certificate on the reverse side thereof duly executed
(with signatures duly guaranteed), to the Rights Agent at the principal office
of the Rights Agent in [City, State], together with payment of the Exercise
Price for each Right exercised, subject to adjustment as hereinafter provided,
at or prior to the Close of Business on the earliest of (i) June 16, 2007 (the
"Final Expiration Date"), (ii) the date on which the Rights are redeemed as
provided in Section 23 hereof (the "Redemption Date"), (iii) the date on which
such Rights are exchanged as provided in Section 24 hereof or (iv) the time at
which the Rights expire pursuant to Section 13(e) hereof.



                                       19

<PAGE>

         (b)  The Exercise Price shall initially be $85 for each one 
one-thousandth (1/1000) of a share of Preferred Stock issued pursuant to the 
exercise of a Right.  The Exercise Price and the number of shares of 
Preferred Stock or other securities to be acquired upon exercise of a Right 
shall be subject to adjustment from time to time as provided in Sections 11 
and 13 hereof.  The Exercise Price shall be payable in lawful money of the 
United States of America, in accordance with paragraph (c) below.

         (c)  Except as otherwise provided herein, upon receipt of a Rights 
Certificate representing exercisable Rights with the form of election to 
purchase and the certificate contained therein duly executed, accompanied by 
payment by certified check, cashier's check, bank draft or money order 
payable to the Company of the Exercise Price for the shares to be purchased 
and an amount equal to any applicable Transfer Tax required to be paid by the 
holder of the Rights Certificate in accordance with Section 9(e) hereof, the 
Rights Agent shall thereupon promptly (i) requisition from any transfer agent 
of the Preferred Stock of the Company one or more certificates representing 
the number of shares of Preferred Stock to be so purchased, and the Company 
hereby authorizes such transfer agent to comply with all such requests, (ii) 
as provided in Section 14(b), at the election of the Company, cause 
depositary receipts to be issued in lieu of fractional shares of Preferred 
Stock, (iii) if the election provided for in the immediately

                                       20

<PAGE>

preceding clause (ii) has not been made, requisition from the Company the 
amount of cash to be paid in lieu of the issuance of fractional shares in 
accordance with section 14(b) hereof, (iv) after receipt of such Preferred 
Stock certificates and, if applicable, 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 (v) when appropriate, after receipt, promptly deliver such cash to 
or upon the order of the registered holder of such Rights Certificate; 
provided, however, that in the case of a purchase of securities, other than 
Preferred Stock, pursuant to Section 13 hereof, the Rights Agent shall 
promptly take the appropriate actions corresponding in such case to that 
referred to in the foregoing clauses (i) through (v) of this Section 7(c).  
Notwithstanding the foregoing provisions of this Section 7(c), the Company 
may suspend the exercisability of the Rights for a period not in excess of 
ninety (90) days, during which the Company seeks to register under the 
Securities Act of 1933, as amended (the "Act"), and any applicable securities 
law of any other jurisdiction, the shares of Preferred Stock to be issued 
pursuant to the Rights.                

    (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

                                       21

<PAGE>

be issued by the Rights Agent to the registered holder of such Rights 
Certificate or his assign, subject to the provisions of Section 14(b) hereof.

         (e)  Notwithstanding any provision of this Rights Agreement to the 
contrary, from and after the time (the "invalidation time") when any Person 
first becomes an Acquiring Person, any Rights that are beneficially owned by 
(x) such Acquiring Person (or any Associate or Affiliate of such Acquiring 
Person), (y) a transferee of such Acquiring Person (or any such Associate or 
Affiliate) who becomes a transferee after the invalidation time or (z) a 
transferee of such Acquiring Person (or any such Associate or Affiliate) who 
becomes a transferee prior to or concurrently with the invalidation time 
pursuant to either (I) a transfer from the Acquiring Person to holders of its 
equity securities or to any Person with whom it has any continuing agreement, 
arrangement or understanding regarding the transferred Rights or (II) a 
transfer which the Board of Directors has determined is part of a plan, 
arrangement or understanding which has the purpose or effect of avoiding the 
provisions of this Section 7(e) (upon approval by a majority of the 
Continuing Directors) and subsequent transferees of such Persons referred to 
in clause (y) and (z) above, shall be void without any further action and any 
holder of such Rights shall thereafter have no rights whatsoever with respect 
to such Rights under any provision of this Rights Agreement.  The Company 
shall use all

                                       22

<PAGE>

reasonable efforts to ensure that the provisions of this Section 7(e) are 
complied with, but shall have no liability to any holder of Rights 
Certificates or any other Person as a result of its failure to make any 
determination with respect to an Acquiring Person or its Affiliates, 
Associates or transferees hereunder.  No Rights Certificate shall be issued 
pursuant to Section 3 hereof that represents Rights beneficially owned by an 
Acquiring Person whose Rights would be void pursuant to the provisions of 
this Section 7(e) or any Associate or Affiliate hereof; no Rights Certificate 
shall be issued at any time upon the transfer of any Rights to an Acquiring 
Person whose Rights would be void pursuant to the provisions of this Section 
7(e) or any Associate or Affiliate thereof or to any nominee of such 
Acquiring Person, Associate or Affiliate; and any Rights Certificate 
delivered to the Rights Agent for transfer to an Acquiring Person whose 
Rights would be void pursuant to the provisions of this Section 7(e) shall be 
cancelled.

         (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 following the form 
of election to purchase set forth on the reverse side of the Rights
Certificate surrendered for such exercise and (ii) provided such

                                       23

<PAGE>

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 to 
any of its agents, be delivered to the Rights Agent for cancellation or in 
cancelled form, or, if surrendered to the Rights Agent, shall be cancelled by 
it, and no Rights Certificates shall be issued in lieu thereof except as 
expressly permitted by any of the provisions of this Rights Agreement.  The 
Company shall deliver to the Rights Agent for cancellation and retirement, 
and the Rights Agent shall cancel and retire, any 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 Shares of Preferred 
Stock.  

         (a)  The Company covenants and agrees that it will cause to be 
reserved and kept available out of its authorized and unissued shares of 
Preferred Stock or out of its authorized and issued shares of Preferred Stock 
held in its

                                       24

<PAGE>

treasury, such number of shares of Preferred Stock as will from time to time 
be sufficient to permit the exercise in full of all outstanding Rights and, 
after the occurrence of a Triggering Event, shall, to the extent reasonably 
practicable, so reserve and keep available a sufficient number of shares of 
Common Stock (and/or other securities) which may be required to permit the 
exercise in full of all outstanding Rights.

         (b)  If the Preferred Stock (or, following the occurrence of a 
Triggering Event, the Common Stock and/or other securities) is at any time 
listed on a national securities exchange or included for quotation on any 
transaction reporting system, then so long as the Preferred Stock (and, 
following the occurrence of any such Triggering Event, Common Stock and/or 
other securities) issuable and deliverable upon exercise of the Rights may be 
listed on such exchange or included for quotation on any such transaction 
reporting system, the Company shall use its best efforts to cause, from and 
after such time as the Rights become exercisable (but only to the extent that 
it is reasonably likely that the Rights will be exercised), all shares 
reserved for such issuance to be listed on such exchange or included for 
quotation on any such transaction reporting system upon official notice of 
issuance upon such exercise.

         (c)  The Company covenants and agrees that it will take all such 
action as may be necessary to insure that all

                                       25

<PAGE>

shares of Preferred Stock delivered upon the exercise of Rights (or, 
following the occurrence of a Triggering Event, shares of Common Stock and/or 
other securities) shall, at the time of delivery of the certificates for such 
shares or other securities (subject to payment of the Exercise Price in 
respect thereof), be duly and validly authorized and issued and fully paid 
and nonassessable.

         (d)  The Company shall use its best efforts to (i) file, as soon as 
practicable following the occurrence of an event described in Section 
11(a)(ii), or as soon as is required by law following the Distribution Date, 
as the case may be, a registration statement under the Act, with respect to 
the securities purchasable upon exercise of the Rights on an appropriate 
form, (ii) cause such registration statement to become effective as soon as 
practicable after such filing, and (iii) cause such registration statement to 
remain effective (with a prospectus at all times meeting the requirements of 
the Act) until the earlier of (x) the date as of which the Rights are no 
longer exercisable for such securities, and (y) the date of the expiration of 
the Rights.  The Company may temporarily suspend, for a period of time not to 
exceed ninety (90) days, the exercisability of the Rights in order to prepare 
and file a registration statement under the Act and permit it to become 
effective.  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

                                       26

<PAGE>

exercisability of the Rights.  Notwithstanding any provision of this 
Agreement to the contrary, the Rights shall not be exercisable in any 
jurisdiction unless the requisite qualification is such jurisdiction shall 
have been obtained and until a registration statement under the Act (if 
required) shall have been declared effective.

         (e)  The Company covenants and agrees that it will pay when due and 
payable any and all U.S. federal and state Transfer Taxes which may be 
payable in respect of the issuance or delivery of the Rights Certificates or 
of any shares of Preferred Stock (or, following the occurrence of a 
Triggering Event, Common Stock and/or other securities) issued or delivered 
upon the exercise of Rights.  The Company shall not, however, be required to 
pay any Transfer Tax which may be payable in respect of any transfer or 
delivery of a Rights Certificate to a Person other than, or the issuance or 
delivery of certificates for Preferred Stock (or, following the occurrence of 
a Triggering Event, Common Stock and/or other securities) upon exercise of 
Rights in a name other than that of, the registered holder of the Rights 
Certificate, and the Company shall not be required to issue or deliver a 
Rights Certificate or certificate for Preferred Stock (or, following the 
occurrence of a Triggering Event, Common Stock and/or other securities) to a 
Person other than such registered holder until any such Transfer Tax shall 
have been paid (any such Transfer Tax being payable by the holder of such 
Rights Certificate at the time of surrender)

                                       27

<PAGE>

or until it has been established to the Company's satisfaction that no such 
Transfer Tax is due.

         Section 10.  Preferred Stock Record Date.  Each Person in whose name 
any certificate for shares 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 the 
securities represented thereby on, and such certificate shall be dated as of, 
the date upon which the Rights Certificate evidencing such Rights was duly 
surrendered and payment of the Exercise Price (and any applicable Transfer 
Taxes) was made; provided, however, that, if the date of such surrender and 
payment is a date upon which the Preferred Stock (or Common Stock and/or 
other securities, as the case may be) transfer books of the Company are 
closed, such Person shall be deemed to have become the record holder of such 
shares on, and such certificate shall be dated as of, the next succeeding 
Business Day on which the applicable transfer books of the Company are open.  
Prior to the exercise of the Rights evidenced thereby, the holder of a Rights 
Certificate, as such, shall not be entitled to any rights of a stockholder of 
the Company with respect to shares for which the Rights shall be exercisable, 
including, without limitation, the right to vote, to receive dividends or 
other distributions or to exercise any preemptive rights, and shall not be 
entitled to receive any notice of any proceedings of the Company, except as 
provided herein.

                                       28

<PAGE>

         Section 11.  Adjustment of Exercise Price, Number and Kind of Shares 
or Number of Rights.  The Exercise Price, the number and kind of shares which 
may be purchased upon exercise of a Right and the number of Rights 
outstanding are subject to adjustment from time to time as provided in this 
Section 11.

              (a)(i)    In the event the Company shall at any time after the
         date of this Agreement (w) declare a dividend on the Preferred Stock
         payable in Preferred Stock, (x) subdivide the outstanding Preferred
         Stock, (y) combine the outstanding Preferred Stock into a smaller
         number of shares of Preferred Stock or (z) 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), the Exercise Price
         in effect at the time of the record date for such dividend or of the
         effective date of such subdivision, combination or reclassification,
         and the number and kind of shares of capital stock issuable on such
         date, shall be proportionately adjusted so that the holder of any
         Right exercised after such time shall be entitled to receive the
         aggregate number and kind of shares of capital

                                       29

<PAGE>

         stock 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; provided, however, that in no event
         shall the consideration to be paid upon the exercise of one Right be
         less than the aggregate par value of the shares of capital stock of
         the Company issuable upon exercise of one Right.  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 this Section 11(a)(ii).

              (ii) Subject to Section 24 of this Agreement, in the event that
         any Person (other than an Exempt Person), alone or together with its
         Affiliates and Associates, shall become an Acquiring Person, unless
         the event causing such Person to become an Acquiring Person is an
         acquisition of shares of Common Stock pursuant to a cash tender offer
         made pursuant to Section 14(d) of the Exchange Act for all outstanding
         shares of Common Stock (other than shares of Voting Stock

                                       30

<PAGE>

         beneficially owned by the Person making the offer or by its Affiliates
         or Associates) at a price and on terms determined by at least a
         majority of the Continuing Directors to be (a) at a price which is
         fair to stockholders (taking into account all factors which such
         members of the Board deem relevant, including, without limitation,
         prices which could reasonably be achieved if the Company or its assets
         were sold on an orderly basis designed to realize maximum value) and
         (b) otherwise in the best interests of the Company and its
         stockholders, then, except as otherwise provided in this Section 11,
         each holder of a Right, except as provided in Section 7(e) hereof,
         shall thereafter have the right to receive, upon exercise of such Right
         at a price equal to the then current Exercise Price multiplied by the 
         number of one one-thousandths of a share of Preferred Stock for which
         a Right is then exercisable, in accordance with the terms of this
         Agreement and in lieu 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 Exercise Price by the number of one
         one-thousandths of a share of Preferred Stock for which a Right is
         then exercisable and dividing that product by (y) 50% of the Fair
         Market Value

                                       31

<PAGE>

         of the Company's Common Stock (determined pursuant to Section 11(d)
         hereof) on the date of the occurrence of such event; provided, however,
         that if the transaction that would otherwise give rise to the foregoing
         adjustment is also subject to the provisions of Section 13 hereof,
         then only the provisions of Section 13 hereof shall apply and no
         adjustment shall be made pursuant to this Section 11(a)(ii).

              (iii)     In lieu of issuing Common Stock in accordance with
         Section 11(a)(ii) hereof, the Company may, if the Board of Directors
         of the Company, upon approval by a majority of the Continuing
         Directors, determines that such action is necessary or appropriate and
         not contrary to the interest of holders of Rights (and, in the event
         that the number of shares of Common Stock which are authorized by the
         Company's Restated Certificate of Incorporation but not outstanding or
         reserved for issuance for purposes other than upon exercise of the
         Rights are not sufficient to permit the exercise in full of the
         Rights, the Company shall):  (A) determine the excess of (1) the value
         of the Common Stock issuable upon the exercise of a Right (the
         "Current Value") over (2) the Exercise Price (such excess being
         referred to as the "Spread") and (B) with respect to each

                                       32

<PAGE>

         Right, make adequate provision to substitute for such Common Stock,
         upon exercise of the Rights, (1) cash, (2) a reduction in the Exercise
         Price, (3) other equity securities of the Company (including, without
         limitation, shares or units of shares of any series of preferred stock
         which the Board of Directors of the Company, upon approval by a 
         majority of the Continuing Directors, has deemed to have the same value
         as Common Stock (such shares or units of shares of preferred stock are
         herein called "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, upon approval by a majority of the Continuing Directors;
         provided, however, if the Company shall not have made adequate
         provision to deliver value pursuant to clause (B) above within thirty
         (30) days following the occurrence of an event described in Section
         11(a)(ii), then the Company shall be obligated to deliver, upon the
         surrender for exercise of a Right and without requiring payment of the
         Exercise Price, Common Stock (to the extent available), and then, if
         necessary, cash, which shares and/or cash have an

                                       33

<PAGE>

         aggregate value equal to the Spread.  If the Board of Directors, upon
         approval by a majority of the Continuing Directors, shall determine in
         good faith that it is likely that sufficient additional Common Stock
         could be authorized for issuance upon exercise in full of the Rights,
         the thirty (30) day period set forth above may be extended to the
         extent necessary, but not more than ninety (90) days after the
         occurrence of an event described in Section 11(a)(ii), in order that
         the Company may seek stockholder approval for the authorization of such
         additional shares.  To the extent that the Company determines that some
         action need be taken pursuant to the preceding sentences of this
         Section 11(a)(iii), the Company may suspend the exercisability of the
         Rights until the expiration of any such period, as extended, in order
         to seek any authorization of additional shares and/or to decide the
         appropriate form of distribution to be made pursuant to this Section
         11(a)(iii) 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 and shall promptly notify the Rights Agent of such
         suspen-

                                     34

<PAGE>

         sion.  For purposes of this Section 11(a)(iii), the value of the
         Common Stock shall be the Fair Market Value (as determined pursuant to
         Section 11(d) hereof) per share of the Common Stock at the Close of
         Business on the date of the occurrence of one of the events described
         in Section 11(a)(ii) 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 the event that the Company shall, after the Record Date, fix a
record date for the issuance of rights, options or warrants to all holders of
Preferred Stock entitling them (for a period expiring within 45 calendar days
after such record date) to subscribe for or purchase Preferred Stock (or shares
having the same rights, privileges and preferences as the Preferred Stock
("equivalent preferred stock")) or securities convertible into Preferred Stock
or equivalent preferred stock at a price per share of Preferred Stock or
equivalent preferred stock (or having a conversion price per share, if a
security convertible into Preferred Stock or equivalent preferred stock) less
than the Fair Market Value per share of the Preferred Stock (as defined in
Section 11(d)) on such record date, the Exercise Price to be in effect after
such record date shall be determined by multiplying the Exercise 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 which the aggregate offering price
of the total number of shares of Preferred Stock and/or the 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 Fair Market
Value and the denominator of which shall be the number of

                                       35

<PAGE>

shares of Preferred Stock outstanding on such record date plus the number of 
additional shares of Preferred Stock and/or equivalent preferred stock to be
offered for subscription or purchase (or into which the convertible securities
so to be offered are initially convertible); provided, however, that in no event
shall the consideration to be paid upon the exercise of one Right be less than
the aggregate par value of the shares of capital stock of the Company issuable
upon exercise of one Right.  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 Exercise Price shall be adjusted to be the Exercise Price which
would then be in effect if such record date had not been fixed.

         (c) In case the Company shall fix a record date for the making of a
distribution to all holders of the Preferred Stock (including any such
distribution made in

                                       36

<PAGE>

connection with a consolidation or merger in which the Company is the 
continuing or surviving corporation) or evidences of indebtedness or assets 
(other than a regular quarterly cash dividend or a dividend payable in 
Preferred Stock) or subscription rights or warrants (excluding those referred 
to in Section 11(b) hereof), the Exercise Price to be in effect after such 
record date shall be determined by multiplying the Exercise Price in effect 
immediately prior to such record date by a fraction, the numerator of which 
shall be the Fair Market Value per share of the Preferred Stock on such 
record date, less the Fair Market Value of the portion of the assets or 
evidences of indebtedness so to be distributed or of such subscription rights 
or warrants applicable to one share of Preferred Stock and the denominator of 
which shall be the Fair Market Value per share of the Preferred Stock; 
provided, however, that in no event shall the consideration to be paid upon 
the exercise of one Right be less than the aggregate par value of the shares 
of capital stock of the Company to be issued upon exercise of one Right.  
Such adjustments shall be made successively whenever such a record date is 
fixed; and in the event that such distribution is not so made, the Exercise 
Price shall again be adjusted to be the Exercise Price which would then be in 
effect if such record date had not been fixed.

         (d)  For the purpose of this Rights Agreement, the "Fair Market Value"
of any share of Preferred Stock, Common

                                       37

<PAGE>

Stock or any other stock or any Rights or other security or any other 
property on any date shall be determined as provided in this Section 11(d).  
In the case of a publicly-traded stock or other security, the Fair Market 
Value on any date shall be deemed to be the average of the daily closing 
prices per share of such stock or per unit of such other security for the 30 
consecutive Trading Days (as such term is hereinafter defined) immediately 
prior to such date; provided, however, that in the event that the Fair Market 
Value per share of any security is determined during a period which includes 
any date that is within 30 Trading Days after (i) the ex-dividend date for a 
dividend or distribution on such security payable in shares of such security 
or securities convertible into shares of such security, or (ii) the effective 
date of any subdivision, split, combination, consolidation, reverse stock 
split or reclassification of such security, then, and in each such case, the 
Fair Market Value shall be appropriately adjusted by the Board of Directors 
of the Company to take into account ex-dividend or post-effective date 
trading.  The closing price for any day shall be the last sale price, regular 
way, or, in case no such sale takes place on such day, the average of the 
closing bid and asked prices, regular way (in either case, as reported in the 
applicable transaction reporting system with respect to securities listed or 
admitted to trading on the New York Stock Exchange), or, if the securities 
are not listed or admitted

                                       38

<PAGE>

to trading on the New York Stock Exchange, as reported in the applicable 
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 not listed or admitted to trading on any national 
securities exchange, the last quoted price (or, if not so quoted, the average 
of the high bid and low asked prices) in the over-the-counter market, as 
reported by the National Association of Securities Dealers, Inc. Automated 
Quotation System ("NASDAQ") or such other system then in use; or, if no bids 
for such security are quoted by any such organization, the average of the 
closing bid and asked prices as furnished by a professional market maker 
making a market in such security selected by the Board of Directors of the 
Company (upon approval by a majority of the Continuing Directors).  The term 
"Trading Day" 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.  If a security 
is not publicly held or not so listed or traded, "Fair Market Value" shall 
mean the fair value per share of stock or per other unit of such other 
security, as determined in good faith by the Board of Directors of the 
Company (upon approval by a majority of the Continuing Directors); provided, 
however, that, if the Preferred Stock is not publicly traded, the

                                       39

<PAGE>

Fair Market Value of a share of Preferred Stock shall be conclusively deemed 
to be the Fair Market Value of a share of Common Stock (appropriately 
adjusted to reflect any stock split, stock dividend or similar transaction 
occurring after the date hereof), multiplied by one thousand.  In the case of 
property other than securities, the "Fair Market Value" thereof shall be 
determined in good faith by the Board of Directors of the Company (upon 
approval by a majority of the Continuing Directors).  Any such determination 
of Fair Market Value shall be described in a statement filed with the Rights 
Agent and shall be binding upon the Rights Agent and the holders of the 
Rights.

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




                                     40

<PAGE>


         (f)  Irrespective of any adjustment or change in the Exercise Price or
the number of shares of Preferred Stock issuable upon the exercise of the
Rights, the Rights Certificates theretofore and thereafter issued may continue
to express the Exercise Price and the number of shares to be issued upon
exercise of the Rights as in the initial Rights Certificates issued hereunder
but, nevertheless, shall represent the Rights as so adjusted.

         (g)  Before taking any action that would cause an adjustment reducing
the purchase price per whole share of Preferred Stock upon exercise of the
Rights below the then par value, if any, of the shares of Preferred Stock, the
Company shall use its best efforts to take any corporate action which may, in
the opinion of its counsel, be necessary in order that the Company may validly
and legally issue fully paid and non-assessable shares of such Preferred Stock
at such adjusted purchase price per share.

         (h)  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 of the Company other than
Preferred Stock, thereafter the number of such other shares so receivable upon
exercise of any Right shall be subject to adjustment from time to time in a
manner and on terms as nearly equivalent as practicable to the provisions with
respect to the Preferred Stock contained in Sections 11(a), (b), (c), (e), (f),
(g), (i), (j) and (k), and the 

                                         41
<PAGE>

provisions of Sections 7, 9, 10, 13 and 14 with respect to the Preferred 
Stock shall apply on like terms to any such other shares.

         (i)  Unless the Company shall have exercised its election as provided
in Section 11(j), upon each adjustment of the Exercise 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 Exercise Price, that number of one one-thousandth of a
share of Preferred Stock (calculated to the nearest one one-millionth of a
share) obtained by (i) multiplying (x) the number of one one-thousandths of a
share covered by a Right immediately prior to this adjustment by (y) the
Exercise Price in effect immediately prior to such adjustment of the Exercise
Price and (ii) dividing the product so obtained by the Exercise Price in effect
immediately after such adjustment of the Exercise Price.


         (j)  The Company may elect on or after the date of any adjustment of
the Exercise Price to adjust the number of Rights, in substitution for any
adjustment in the number of one one-thousandths of a share of Preferred Stock
purchasable upon the exercise of a Right.  Each of the Rights outstanding after
such adjustment of the number of Rights shall be exercisable for the number of
one one-thousandths of a share of Preferred Stock for which a Right was
exercisable immediately prior to such adjustment.  Each 

                                       42
<PAGE>

Right held of record prior to such adjustment of the number of Rights shall 
become that number of Rights (calculated to the nearest one ten-thousandth) 
obtained by dividing the Exercise Price in effect immediately prior to 
adjustment of the Exercise Price by the Exercise Price in effect immediately 
after adjustment of the Exercise 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 
Exercise 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(j), 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 

                                      43
<PAGE>

Certificates so to be distributed shall be issued, executed and countersigned 
in the manner provided for herein and shall be registered in the names of the 
holders of record of Rights Certificates on the record date specified in the 
public announcement.

         (k)  Anything in this Section 11 to the contrary notwithstanding, the
Company shall be entitled to make such reductions in the Exercise Price, in
addition to those adjustments expressly required by this Section 11, as and to
the extent that it, in its sole discretion, shall determine to be advisable in
order that any consolidation or subdivision of the Preferred Stock, issuance
wholly for cash of any Preferred Stock at less than the current market price,
issuance wholly for cash of Preferred Stock or securities which by their terms
are convertible into or exchangeable for Preferred Stock, dividends on Preferred
Stock payable in Preferred Stock or issuance of rights, options or warrants
referred to hereinabove in Section 11(b), hereafter made by the Company to
holders of its Preferred Stock shall not be taxable to such stockholders.

         (l)  In the event that at any time after the date of this Agreement
and prior to the Distribution Date, the Company shall (i) declare or pay any
dividend on the Common Stock payable in Common Stock or (ii) effect a
subdivision, combination or consolidation of the Common Stock (by
reclassification or otherwise than by payment of dividends in Common Stock) into
a greater or lesser number of shares 

                                      44
<PAGE>

of Common Stock, then in any such case (A) the number of one one-thousandths 
of a share of Preferred Stock purchasable after such event upon proper 
exercise of each Right shall be determined by multiplying the number of one 
one-thousandths of a share of Preferred Stock so purchasable immediately 
prior to such event by a fraction, the numerator of which is the number of 
shares of Common Stock outstanding immediately before such event and the 
denominator of which is the number of shares of Common Stock outstanding 
immediately after such event, and (B) each share of Common Stock outstanding 
immediately after such event shall have issued with respect to it that number 
of Rights which each share of Common Stock outstanding immediately prior to 
such event had issued with respect to it.  The adjustments provided for in 
this Section 11(l) shall be made successively whenever such a dividend is 
declared or paid or such a subdivision, combination or consolidation is 
effected.

         Section 12.  Certification of Adjusted Exercise Price or Number of
Shares.  Whenever an adjustment is made as provided in Section 11 or Section 13,
the Company shall (a) promptly prepare a certificate setting forth such
adjustment, and a brief statement of the facts giving rise to such adjustment,
(b) promptly file with the Rights Agent and with each transfer agent for the
Preferred Stock a copy of such certificate and (c) mail a brief summary thereof
to each holder of a Rights Certificate in accordance with Section 25. 
Notwithstanding the foregoing sentence, the 

                                    45
<PAGE>

failure of the Company to make such certification or give such notice shall 
not affect the validity of or the force or effect of the requirement for such 
adjustment.  Any adjustment to be made pursuant to Section 11 or Section 13 
of this Rights Agreement shall be effective as of the date of the event 
giving rise to such adjustment.  The Rights Agent shall be fully protected in 
relying on any such certificate and on any adjustment therein contained and 
shall not be deemed to have knowledge of any adjustment unless and until it 
shall have received such certificate.

         Section 13.  CONSOLIDATION, MERGER OR SALE OR TRANSFER OF ASSETS OR
EARNING POWER.  

         (a)  Except for any transaction approved by the Board of Directors 
(upon approval by a majority of the Continuing Directors), in the event that, at
any time on or after the Distribution Date, (x) the Company shall, directly or
indirectly, consolidate with, or merge with and into, any other Person or
Persons and the Company shall not be the surviving or continuing corporation of
such consolidation or merger, or (y) any Person or Persons shall, directly or
indirectly, consolidate with, or merge with and into, the Company, and the
Company shall be the continuing or surviving corporation of such consolidation
or merger and, in connection with such consolidation or merger, all or part of
the outstanding shares of Common Stock shall be changed into or exchanged for
stock or other securities of any other Person or of the Company or cash or any
other property, or 

                                       46
<PAGE>

(z) the Company or one or more of its Subsidiaries shall, directly or 
indirectly, sell or otherwise transfer to any other Person or any Affiliate 
or Associate of such Person, in one or more transactions, or the Company or 
one or more of its Subsidiaries shall sell or otherwise transfer to any 
Persons in one 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), then, on the first occurrence of any 
such event (except as may be contemplated by Section 13(e) hereof), proper 
provision shall be made so that (i) each holder of record of a Right, except 
as provided in Section 7(e) hereof, shall thereafter have the right to 
receive, upon the exercise thereof and payment of the Exercise Price in 
accordance with the terms of this Rights Agreement, such number of shares of 
validly issued, fully paid, non-assessable and freely tradeable Common Stock 
of the Principal Party (as defined herein), not subject to any liens, 
encumbrances, rights of first refusal or other adverse claims, as shall, 
based on the Fair Market Value of the Common Stock of the Principal Party on 
the date of the consummation of such consolidation, merger, sale or transfer, 
equal twice the Exercise Price; (ii) such Principal Party shall thereafter be 
liable for, and shall assume, by virtue of such consolidation, merger, sale 
or transfer, all the obligations and duties of the Company pursuant to this 
Rights Agreement; (iii) the term "Company" 

                                        47
<PAGE>

for all purposes of this Rights Agreement shall thereafter be deemed to refer 
to such Principal Party; (iv) such Principal Party shall take such steps 
(including, but not limited to, the reservation of a sufficient number of 
shares of its Common Stock in accordance with the provisions of Section 9 
hereof) in connection with such consummation as may be necessary to assure 
that the provisions hereof shall thereafter be applicable, as nearly as 
reasonably may be, in relation to 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 occurrence of 
any event described in clause (x), (y) or (z) above of this Section 13(a).  
The provisions of this Section 13 shall similarly apply to successive mergers 
or consolidations or sales or other transfers.

         (b)  "Principal Party" shall mean

              (i)  in the case of any transaction described in (x) or (y) of
the first sentence of Section 13(a) hereof:  (A) the Person that is the issuer
of the securities into which shares of Common Stock of the Company are changed
or otherwise exchanged or converted in such merger or consolidation, or, if
there is more than one such issuer, the issuer of the Common Stock of which has
the greatest market value or (B) if no securities are so issued, (x) the Person
that is the other party to the merger or consolidation and that survives such
merger or consolidation, or, if there is more than one such Person, 

                                      48
<PAGE>

the Person the Common Stock of which has the greatest market value or (y) if 
the Person that is the other party to the merger or consolidation does not 
survive the merger or consolidation, the Person that does survive the merger 
or consolidation (including the Company if its survives); and

              (ii) in the case of any transaction described in (z) of the first
sentence in 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, whichever of such Persons as is the issuer
of Common Stock having the greatest market value of shares outstanding;
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 12-month
period registered under Section 12 of the Exchange Act, and such Person is a
direct or indirect Subsidiary of another Person the Common Stock of which is and
has been so registered, the term "Principal Party" shall refer to such other
Person, or if 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,
the term "Principal Party" shall refer to 

                                      49
<PAGE>

whichever of such Persons is the issuer of the Common Stock having the 
greatest market value of shares outstanding.

         (c)  The Company shall not consummate any consolidation, merger or
sale or transfer of assets or earning power referred to in Section 13(a) unless
the Principal Party shall have a sufficient number of authorized shares of its
Common Stock that have not been issued or reserved for issuance to permit
exercise in full of all Rights in accordance with this Section 13 and unless
prior thereto the Company and the Principal Party involved therein shall have
executed and delivered to the Rights Agent an agreement confirming that the
Principal Party shall, upon consummation of such consolidation, merger or sale
or transfer of assets or earning power, assume this Rights Agreement in
accordance with Section 13(a) hereof and that all rights of first refusal or
preemptive rights in respect of the issuance of shares of Common Stock of the
Principal Party upon exercise of outstanding Rights have been waived and that
such transaction shall not result in a default by the Principal Party under this
Rights Agreement, and further providing that, as soon as practicable after the
date of any consolidation, merger or sale or transfer of assets or earning power
referred to in Section 13(a) hereof, the Principal Party will:

              (i)  prepare and file a registration statement under the act with
         respect to the Rights and the securities purchasable upon exercise of

                                         50
<PAGE>

         the Rights on an appropriate form, use its best efforts to cause such
         registration statement to become effective as soon as practicable
         after such filing and use its best efforts to cause such registration
         statement to remain effective (with a prospectus at all times meeting
         the requirements of the Act) until the date of expiration of the
         Rights, and similarly comply with applicable state securities laws;

              (ii) use its best efforts to list (or continue the listing of)
         the Rights and the securities purchasable upon exercise of the Rights
         on a national securities exchange or to meet the eligibility
         requirements for quotation on NASDAQ; and

              (iii)     deliver to holders of the Rights historical financial
         statements for the Principal Party which comply in all respects with
         the requirements for registration on Form 10 (or any successor form)
         under the Exchange Act.  In the event that any of the transactions
         described in Section 13(a) hereof shall occur at any time after the
         occurrence of a transaction described in Section 11(a)(ii) hereof, the
         Rights which have not theretofore been exercised shall, subject to the
         provisions of Section 7(e) hereof, thereafter 

                                             51

<PAGE>

         be exercisable in the manner described in Section 13(a).

         (d)  In case the Principal Party which is to be a party to a
transaction referred to in this Section 13 has provision in any of its
authorized securities or in its Certificate of Incorporation or By-laws or other
instrument governing its corporate affairs, which provision would have the
effect of (i) causing such Principal Party to issue, in connection with, or as a
consequence of, the consummation of a transaction referred to in this Section
13, shares of Common Stock of such Principal Party at less than the then Fair
Market Value per share (determined pursuant to Section 11(b) hereof) or
securities exercisable for, or convertible into, Common Stock of such Principal
Party at less than such then Fair Market Value (other than to holders of Rights
pursuant to this Section 13) or (ii) providing for any special tax or similar
payment in connection with the issuance to any holder of a Right of Common Stock
of such Principal Party pursuant to the provisions of this Section 13, then, in
such event, the Company shall not consummate any such transaction unless prior
thereto the Company and such Principal Party shall have executed and delivered
to the Rights Agent a supplemental agreement providing that the provision in
question of such Principal Party shall have been canceled, waived or amended, or
that the authorized securities shall be redeemed, so that the applicable
provision will have no effect on the benefits 

                                      52

<PAGE>

intended to be afforded by the Rights in connection with, or as a consequence 
of, the consummation of the proposed transaction.

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

                                        53
<PAGE>

         Section 14.  FRACTIONAL RIGHTS AND FRACTIONAL SHARES.  

         (a)  The Company shall not be required to issue fractions of Rights or
to distribute Rights Certificates which evidence fractional Rights (i.e., Rights
to acquire less than one one-thousandth of a share of Preferred Stock).  If the
Company shall determine not to issue such fractional Rights, then, in lieu of
such fractional Rights, there shall be paid to the holders of record 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 Fair Market
Value of a whole Right.

         (b)  The Company shall not be required to issue fractions of shares of
Preferred Stock (other than fractions which are integral multiples of
one-thousandth of a share) upon exercise of the Rights or to distribute
certificates which evidence fractional shares (other than fractions which are
integral multiples of one-thousandth of a share).  In lieu of issuing fractions
of shares of Preferred Stock, the Company may, at its election, issue depositary
receipts evidencing fractions of shares 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 of the rights, privileges and preferences to which they would be entitled as
owners of the Preferred Stock.  With respect to fractional shares that are not
integral multiples of one-

                                     54
<PAGE>

thousandth of a share, if the Company does not issue such fractional shares 
or depositary receipts in lieu thereof, there shall be paid to the holders of 
record of Rights Certificates at the time such Rights Certificates are 
exercised as herein provided an amount in cash equal to the same fraction of 
the Fair Market Value of a share of Preferred Stock.

         (c)  The holder of a Right by the acceptance of a Right expressly
waives his right to receive any fractional Right or any fractional shares of
Preferred Stock (other than fractions which are integral multiples of one
one-thousandth of a share) upon exercise of a Right.

         Section 15.  Rights of Action.  All rights of action in respect of
this Rights Agreement, except the rights of action given to the Rights Agent in
Section 18 hereof, are vested in the respective registered holders of the Rights
Certificates (and, prior to the Distribution Date, the holders of record of the
Common Stock); and any holder of record 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 or her own behalf and for
his or her 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 or her right to exercise the Rights evidenced by such Rights Certificate in
the 

                                       55
<PAGE>

manner provided in such Rights Certificate and in this Rights 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 Rights Agreement and will
be entitled to specific performance of the obligations under, and injunctive
relief against actual or threatened violations of, the obligations of any Person
subject to this Rights Agreement.

         Section 16.  Agreement of Right Holders.  Each holder of a Right, by
accepting the same, consents and agrees with the Company and the Rights Agent
and with every other holder of a Right that:

         (a)  prior to the Distribution Date, the Rights shall be evidenced by
    the certificates for Common Stock registered in the name of the holders of
    Common Stock (together, as applicable, with the Summary of Rights), which
    certificates for Common Stock shall also constitute certificates for
    Rights, and not by separate Rights Certificates, and each Right shall be
    transferable only simultaneously and together with the transfer of shares
    of Common Stock;

         (b)  after the Distribution Date, the Rights Certificates are
    transferable only on the registry books of the Rights Agent if surrendered
    at the office of the Rights Agent designated for such purpose, duly

                                      56
<PAGE>

    endorsed or accompanied by a proper instrument of transfer;

         (c)  the Company and the Rights Agent may deem and treat the person in
    whose name the 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 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.

         Section 17.  Rights Certificate Holder Not Deemed a Stockholder.  No
holder, as such, of any Rights 

                                         57
<PAGE>

Certificate shall be entitled to vote, receive dividends or be deemed for any 
purpose the holder of Preferred Stock or any other securities which may at 
any time be issuable on the exercise of the Rights represented thereby, nor 
shall anything contained herein or in any Rights Certificate be construed to 
confer upon the holder of any Rights Certificate, as such, any of the rights 
of a stockholder of the Company or any right to vote for the election of 
directors or upon any matter submitted to stockholders at any meeting 
thereof, or to give or withhold consent to any corporate action, or to 
receive notice of meetings or other actions affecting stockholders (except as 
provided in Section 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.

         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 Rights
Agreement and the exercise and performance of its duties hereunder.  The Company
also agrees to indemnify the Rights Agent for, and to hold it harmless against,
any loss, liability, or expense, incurred without gross negligence, bad faith or
willful misconduct on the part of 

                                        58
<PAGE>

the Rights Agent, for anything done or omitted to be done by the Rights Agent 
in connection with the acceptance and administration of this Rights 
Agreement, including the cost and expenses of defending against any claim of 
liability relating to the Rights or this Rights Agreement.

         (b)  The Rights Agent shall be protected against, 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 Rights Agreement in reliance upon any
Rights Certificate or certificate for Preferred Stock or for other securities of
the Company, instrument of assignment or transfer, power of attorney,
endorsement, affidavit, letter, notice, direction, consent, certificate,
statement or other paper or document believed by it to be genuine and to be
signed, executed and, where necessary, verified or acknowledged, by the proper
person or persons.

         Section 19.  Merger or Consolidation of, or Change in Name of, the
Rights Agent.  

         (a)  Any corporation into which the Rights Agent or any successor
Rights Agent may be merged or with which it may be consolidated, or any
corporation resulting from any merger or consolidation to which the Rights Agent
or any successor Rights Agent shall be a party, or any corporation succeeding to
the corporate trust or stock transfer business of the Rights Agent or any
successor Rights Agent, shall be the successor to the Rights Agent under this
Rights Agreement without the execution or filing of any paper or 

                                     59

<PAGE>

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 Rights 
Agreement any of the Rights Certificates shall have been countersigned but 
not delivered, any such successor Rights Agent may adopt the countersignature 
of the 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 Rights Agent 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 Rights Agreement.

         (b)  In case at any time the name of the Rights Agent shall be changed
and at such time any of the Rights Certificates shall have been countersigned
but not delivered, the Rights Agent may adopt the countersignature under its
prior name and deliver Rights Certificates so countersigned; 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; in all such cases such 

                                        60
<PAGE>

Rights Certificates shall have the full force provided in the Rights 
Certificates and in this Rights Agreement.

         Section 20.  DUTIES OF RIGHTS AGENT.  The Rights Agent undertakes the
duties and obligations imposed by this Rights 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 Rights
Agreement the Rights Agent shall deem it necessary or desirable that any fact or
matter be proved or established by the Company prior to taking or suffering any
action hereunder, such fact or matter (unless other evidence in respect thereof
be herein specifically prescribed) may be deemed to be conclusively proved and
established by a certificate signed by any one of the Chairman of the Board, the
President, any Vice President, the Treasurer or the Secretary of the Company and
delivered to the Rights Agent.  Any 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 Rights Agreement in reliance upon such certificate.

                                      61

<PAGE>


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

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

         (e)  The Rights Agent shall not be under any responsibility in respect
of the validity of this Rights 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 Rights Agreement or in any Rights
Certificate; nor shall it be responsible for any adjustment required under the
provisions of Section 11 or 13 hereof or responsible for the manner, method or
amount of any such adjustment or the ascertaining of the existence of facts that
would require any such adjustment (except with respect to the exercise of Rights
evidenced by Rights Certificates after receipt of a certificate describing any
such adjustment); nor shall it by any act hereunder be deemed to make any
representation or warranty as to the authorization 


                                      62


<PAGE>


or reservation of any shares of Preferred Stock to be issued pursuant to this 
Rights Agreement or any Rights Certificate or as to whether any shares of 
Preferred Stock will, when issued, be validly authorized and issued, fully 
paid and nonassessable.

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

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

         (h)  The Rights Agent and any shareholder, director, officer or
employee of the Rights Agent may buy, sell or deal in any of the Rights or other
securities of the Company or become pecuniarily interested in any transaction in
which the Company may be interested, or contract with or lend money to the
Company or otherwise act as fully and 


                                      63


<PAGE>


freely as though it were not the Rights Agent under this Rights Agreement.  
Nothing herein shall preclude the Rights Agent from acting in any other 
capacity for the Company or for any other legal entity.

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

         (j)  If, with respect to any Rights Certificate surrendered to the
Rights Agent for exercise or transfer, the certificate following the form of
election to purchase set forth on the reverse side of such Rights Certificate
has either not been completed or indicates an affirmative response to clause 1
and/or 2 thereof, the Rights Agent shall not take further action with respect to
the requested exercise or transfer without first consulting with the Company.

         Section 21.  Change of Rights Agent.  The Rights Agent or any
successor Rights Agent may resign and be discharged from its duties under this
Rights Agreement upon 30 days' notice in writing mailed to the Company and to
each transfer agent of the Common Stock and the Preferred Stock 


                                      64


<PAGE>


by registered or certified 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.  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 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 incumbent Rights Agent or the holder of 
record 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 any state thereof, in good standing, which is authorized under such 
laws to exercise corporate trust or stock transfer powers and is subject to 
supervision 


                                      65


<PAGE>


or examination in the conduct of its corporate trust or stock transfer 
business by federal or state authorities and which has at the time of its 
appointment as Rights Agent a combined capital and surplus of at least 
$50,000,000 or (b) an Affiliate controlled by 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 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.  Notwithstanding the foregoing 
provisions, in the event of resignation, removal or incapacity of the Rights 
Agent, the Company shall have the authority to act as the Rights Agent until a


                                      66


<PAGE>


successor Rights Agent shall have assumed the duties of the Rights Agent 
hereunder.

         Section 22.  Issuance of New Rights Certificates.  Notwithstanding any
of the provisions of this Rights Agreement or of the Rights to the contrary, the
Company may, at its option, issue new Rights Certificates evidencing Rights in
such form as may be approved by its Board of Directors to reflect any adjustment
or change in the Exercise Price per share and the number or kind or class of
shares of stock or other securities or property purchasable under the Rights
Certificates made in accordance with the provisions of this Rights Agreement.

         Section 23.  Redemption.

         (a)  The Company may, at its option, but only by the vote of a
majority of the Board of Directors (upon approval by a majority of the
Continuing Directors), redeem all but not less than all of the then outstanding
Rights, at any time prior to the Close of Business on the earlier of (i) the
tenth day following the Stock Acquisition Date, provided, however, that, during
the time period relating to when the Rights may be redeemed, the Board of
Directors of the Company (upon approval of a majority of the Continuing
Directors) may extend the time during which the Rights may be redeemed to be at
any time as may be determined by the Board of Directors of the Company and the
Continuing Directors or (ii) the Final Expiration Date, at a redemption price of
$.01 per Right, appropriately adjusted to reflect 


                                      67


<PAGE>


any stock split, stock dividend or similar transaction after the date hereof 
(the "Redemption Price").

         (b)  Without any further action and without any notice, the right to
exercise the Rights will terminate at the effective time of the action of the
Board of Directors and the Continuing Directors ordering the redemption of the
Rights and the only right thereafter of the holders of Rights shall be to
receive the Redemption Price.  Within 10 days after the effective time of the
action of the Board of Directors and the Continuing Directors ordering the
redemption of the Rights, the Company shall give notice of such redemption to
the holders of the then outstanding Rights by mailing such notice to all such
holders at their last addresses as they appear upon the registry books of the
Rights Agent or, prior to the Distribution Date, on the registry books of the
transfer agent for the Common Stock.  Any notice which is mailed in the manner
herein provided shall be deemed given, whether or not the holder receives the
notice; provided, however, that the failure to give, or any defect in, any such
notice shall not affect the validity of such redemption.  Each notice of
redemption will state the method by which the payment of the Redemption Price
will be made.  At the option of the Board of Directors, the Redemption Price may
be paid in cash to each Rights holder or by the issuance of shares (and, at the
Company's election pursuant to Section 14(b) hereof, cash or depositary receipts
in lieu of fractions of shares other than fractions 


                                      68


<PAGE>


which are integral multiples of one one-thousandth (1/1000) of a share) of 
Preferred Stock having a Fair Market Value equal to such cash payment.

         Section 24.  Exchange.  

         (a)  By the vote of a majority of the Board of Directors (upon
approval by a majority of the Continuing Directors), the Company may, at its
option, at any time after any Person becomes an Acquiring Person, exchange all
or part of the then outstanding and exercisable Rights (which shall not include
Rights which have become void pursuant to Section 7(e) hereof) for shares of
Common Stock at an exchange rate of one share of Common Stock per Right,
appropriately adjusted to reflect any stock split, stock dividend or similar
transaction occurring after the date hereof (the "Exchange Ratio"). 
Notwithstanding the foregoing, the Board of Directors shall not be empowered to
effect such exchange at any time after any Person (other than an Exempt Person),
together with all Affiliates and Associates of such Person, becomes the
Beneficial Owner of 50% or more of any class of voting stock of the Company then
outstanding.

         (b)  Without any further action and without any notice, the right to
exercise the Rights to be so exchanged will terminate at the effective time of
the action of the Board of Directors and the Continuing Directors ordering the
exchange and the only right thereafter of each holder of such Rights shall be to
receive that number of shares of 


                                      69


<PAGE>


Common Stock equal to the number of such rights held by such holder 
multiplied by the Exchange Ratio.  The Company shall promptly give notice of 
the exchange to the holders of such Rights then outstanding by mailing such 
notice to all such holders at their last addresses as they appear upon the 
registry books of the Rights Agent or, prior to the Distribution Date, on the 
registry books of the transfer agent for the Common Stock.   Any notice which 
is mailed in the manner herein provided shall be deemed given, whether or not 
the holder receives the notice; provided, however, that the failure to give, 
or any defect in, any such notice shall not affect the validity of such 
exchange.  Each such notice shall state the method by which the exchange for 
rights will be effected and, in the event of a partial exchange, the number 
of Rights which will be exchanged.  Any partial exchange shall be effected 
pro rata based on the number of Rights (other than Rights which have become 
void pursuant to Section 7(e) hereof) held by each holder of Rights.

         (c)  In any exchange pursuant to this Section 24, the Company, at its
option, may substitute shares of Preferred Stock for shares of Common Stock
exchangeable for the Rights, at the initial rate of one one-thousandth of a
share of Preferred Stock for each share of Common Stock, as appropriately
adjusted to reflect adjustments in the voting rights of the Preferred Stock
pursuant to the terms thereof, so that the fraction of a share of Preferred
Stock delivered 


                                      70


<PAGE>


in lieu of each share of Common Stock shall have the same voting rights as 
one share of Common Stock.

         (d)  In the event that there shall not be sufficient shares of Common
Stock or Preferred Stock issued but not outstanding or authorized but unissued
to permit any exchange of Rights as contemplated in accordance with this Section
24, the Company shall either take such action as may be necessary to authorize
additional Common Stock or Preferred Stock for issuance upon exchange of the
Rights or, alternatively, by the vote of a majority of the Board of Directors
(upon approval by a majority of the Continuing Directors with respect to each
Right, (i) pay cash in an amount equal to the Exercise Price, in lieu of issuing
Common Stock or Preferred Stock in exchange therefor, or (ii) issue debt or
equity securities, or a combination thereof, having a value equal to the Current
Value (as hereinafter defined) of the Common Stock or Preferred Stock
exchangeable for each such Right, where the value of such securities shall be
determined in good faith by the Board of Directors (upon approval by a majority
of the Continuing Directors), or (iii) deliver any combination of cash,
property, Common Stock, Preferred Stock and/or other securities having a value
equal to the Current Value in exchange for each Right.  The term "Current
Value," for purposes of this Section 24, shall mean the product of the per share
market price of the Common Stock (determined pursuant to Section 11(d) on the
date of the occurrence of 


                                      71


<PAGE>


the event described above in subparagraph (a)), multiplied by the number of 
shares of Common Stock for which the Right otherwise would be exchangeable if 
there were sufficient shares available.  To the extent that the Company 
determines that some action need be taken pursuant to clauses (i), (ii) or 
(iii) of this Section 24(d), the Board of Directors (upon approval by a 
majority of the Continuing Directors) may temporarily suspend the 
exercisability of the Rights for a period of up to sixty (60) days following 
the date on which the event described in Section 24(a) shall have occurred, 
in order to seek any authorization of additional Common Stock or Preferred 
Stock and/or to decide the appropriate form of distribution to be made 
pursuant to the above provision 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.

         (e)  The Company shall not be required to issue fractions of shares of
Common Stock or to distribute certificates which evidence fractional shares of
Common Stock.  In lieu of such fractional shares of Common Stock, the Company
shall pay to each registered holder of a Rights Certificate with regard to which
a fractional share of Common Stock would otherwise be issuable, an amount in
cash equal to the same fraction of the fair market value of a whole share of


                                      72


<PAGE>


Common Stock.  For the purposes of this paragraph (e), the fair market value of
a whole share of Common Stock shall be the closing price of a share of Common
Stock (as determined pursuant to Section 11(d) hereof) for the Trading Day
immediately prior to the date of exchange pursuant to this Section 24.

         Section 25.  Notice of Proposed Actions.  

         (a)  In case the Company, after the Distribution Date, shall propose
(i) to pay any dividend payable in stock of any class to the holders of its
Preferred Stock or to make any other distribution to the holders of its
Preferred Stock (other than a regular quarterly cash dividend), (ii) to offer to
the holders of its Preferred Stock rights or warrants to subscribe for or to
purchase any additional Preferred Stock or shares of stock of any class or any
other securities, rights or options, (iii) to effect any reclassification of its
Preferred Stock (other than a reclassification involving only the subdivision of
outstanding Preferred Stock), (iv) to effect any consolidation or merger with or
into, or to effect any sale or other transfer (or to permit one or more of its
Subsidiaries to effect any sale or other transfer), in one or more transactions,
of more than 50% of the assets or earning power of the Company and its
Subsidiaries (taken as a whole) to, any other Person or Persons, 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, in accordance with Section 26, notice of such proposed action,
which shall 


                                      73


<PAGE>


specify the record date for the purposes of such stock dividend or 
distribution of rights or warrants, or the date on which such 
reclassification, consolidation, merger, sale or transfer, liquidation, 
dissolution, or winding up is to take place and the date of participation 
therein by the holders of record of Common Stock or Preferred Stock, if any 
such date is to be fixed, and such notice shall be so given in the case of 
any action covered by clause (i) or (ii) above at least 10 days prior to the 
record date for determining holders of record of the Preferred Stock for 
purposes of such action, and in the case of any such other action, at least 
10 days prior to the date of the taking of such proposed action or the date 
of participation therein by the holders of record of Common Stock or 
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 event described in Section 11(a)(ii) hereof shall
occur, then the Company shall, as soon as practicable thereafter, give to each
holder of a Rights Certificate, in accordance with Section 26 hereof, a notice
of the occurrence of such event, which notice shall describe such event and the
consequences of such event to holders of Rights under Section 11(a)(ii) hereof.

         Section 26.  Notices.  Notices or demands authorized by this Rights
Agreement to be given or made by 


                                      74


<PAGE>


the Rights Agent or by the holder of record 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:

              Sonic Corp.
              101 Park Avenue
              Oklahoma City, Oklahoma 73102
              Attention: Secretary


Subject to the provisions of Section 21, any notice or demand authorized by this
Rights Agreement to be given or made by the Company or by the holder of record
of any Rights Certificate or Right 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:
              ____________________________
              ____________________________
              ____________________________
              Attention: _________________

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

         Section 27.  Supplements and Amendments.  For as long as the Rights
are then redeemable and except as provided in the last sentence of this Section
27, the 


                                      75


<PAGE>


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 without the approval of any holders of the Rights.  At any time 
when the Rights are not then redeemable and except as provided in the last 
sentence of this Section 27, the Company may, and the Rights Agent shall if 
the Company so directs, supplement or amend this Rights Agreement without the 
approval of any holders of Rights Certificates (i) to cure any ambiguity, 
(ii) to correct or supplement any provision contained herein which may be 
defective or inconsistent with any other provisions herein or (iii) to change 
or supplement the provisions hereunder in any manner which the Company may 
deem necessary or desirable, provided that no such supplement or amendment 
pursuant to this clause (iii) shall materially adversely affect the interest 
of the holders of Rights Certificates.  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.  Notwithstanding 
anything contained in this Rights Agreement to the contrary, supplements or 
amendments may be made only upon approval by a majority of the Continuing 
Directors.

         Section 28.  Successors.  All of the covenants and provisions of this
Rights Agreement by or for the benefit of the Company or the Rights Agent shall
bind and inure to the 


                                      76


<PAGE>


benefit of their respective successors and assigns hereunder.

         Section 29.  Benefits of this Rights Agreement.  Nothing in this
Rights Agreement shall be construed to give to any person or corporation other
than the Company, the Rights Agent and the registered holders of the Rights
Certificates (and, prior to the Distribution Date, the holders of Common Stock
in their capacity as holders of the Rights) any legal or equitable right, remedy
or claim under this Rights Agreement; but this Rights Agreement shall be for the
sole and exclusive benefit of the Company, the Rights Agent and the holders of
record of the Rights Certificates (and, prior to the Distribution Date, the
holders of Common Stock in their capacity as holders of the Rights).

         Section 30.  Determinations and Actions by the Board; etc.  The Board
of Directors (upon approval by a majority of the Continuing Directors) shall
have the exclusive power and authority to administer this Agreement and to
exercise all rights and powers specifically granted to the Board, or 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.  All such
actions, calculations, interpretations and determinations (including, 


                                      77


<PAGE>


for purposes of clause (y) below, all omissions with respect to the 
foregoing) which are done or made by the Board of Directors in good faith 
(and with the approval of a majority of the Continuing Directors then in 
office) in accordance with the preceding sentence, shall (x) be final, 
conclusive and binding on the Company, the Rights Agent, the holders of the 
Rights and all other parties and (y) not subject any director to any 
liability to the holders of the Rights. Notwithstanding anything contained in 
this Agreement to the contrary, whenever any action, calculation, 
interpretation or determination made pursuant to this Agreement requires the 
approval of a majority of the Continuing Directors, and no Continuing 
Directors are then in office, such action, calculation, interpretation or 
determination may not be made.

         Section 31.  Delaware Contract.  This Rights Agreement 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 and enforced in accordance with the laws of such state applicable to
contracts to be made and performed entirely within such state.

         Section 32.  Counterparts.  This Rights 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.


                                      78


<PAGE>


         Section 33.  Descriptive Headings.  Descriptive headings of the
several Sections of this Rights Agreement are inserted for convenience only and
shall not control or affect the meaning or construction of any of the provisions
hereof.

         Section 34.  Severability.  If any term, provision, covenant or
restriction of this Rights 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 Rights
Agreement shall remain in full force and effect and shall in no way be affected,
impaired or invalidated.

         IN WITNESS WHEREOF, the parties hereto have caused this Rights
Agreement to be duly executed, all as of the day and year first above written.

         SONIC CORP.


Attest:_________________     By:  _____________________
                             Name:
                             Title:



                             [RIGHTS AGENT]


Attest:_________________     By: _____________________
                             Name:
                             Title:






                                      79



<PAGE>


                                                                       EXHIBIT 2




                                         FORM

                                          of

                             CERTIFICATE OF DESIGNATIONS

                                          of

                           SERIES A JUNIOR PREFERRED STOCK

                                          of

                                     SONIC CORP.

                           (Pursuant to Section 151 of the
                          Delaware General Corporation Law)


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


         SONIC CORP., a corporation organized and existing under the General
Corporation Law of the State of Delaware (hereinafter called the "Corporation"),
DOES HEREBY CERTIFY that pursuant to the authority vested in the Board of
Directors by the Restated Certificate of Incorporation of the Corporation and in
accordance with the provisions of Section 151 of the General Corporation Law of
the State of Delaware, the Board of Directors on June 16, 1997 adopted a
resolution providing for the authorization of a series of Preferred Stock, as
follows:

         RESOLVED, that pursuant to the authority granted to and vested in the
Board of Directors of the Corporation (hereinafter called the "Board of
Directors" or the "Board") in accordance with the provisions of the Restated
Certificate of Incorporation, the Board of Directors hereby creates a series of
Preferred Stock, par value $.01 per share (the "Preferred Stock"), of the
Corporation and hereby states the designation and number of shares, and fixes
the relative rights, preferences, and limitations thereof as follows:

    Section 1.  Designation and Amount.  The shares of such series shall be
designated as "Series A Junior Preferred Stock" (the "Series A Junior Preferred
Stock") and the number of shares constituting the Series A Junior


<PAGE>


Preferred Stock shall be fifty thousand.  Such number of shares may be 
increased or decreased by resolution of the Board of Directors; provided, 
that no decrease shall reduce the number of shares of Series A Junior 
Preferred Stock to a number less than the number of shares then outstanding 
plus the number of shares reserved for issuance upon the exercise of 
outstanding options, rights or warrants or upon the conversion of any 
outstanding securities issued by the Corporation convertible into Series A 
Junior Preferred Stock.

    Section 2.  Dividends and Distributions.

    (A)  Subject to the rights of the holders of any shares of any series of 
Preferred Stock (or any similar stock) ranking prior and superior to the 
Series A Junior Preferred Stock with respect to dividends, the holders of 
shares of Series A Junior Preferred Stock, in preference to the holders of 
Common Stock, par value $.01 per share (the "Common Stock"), of the 
Corporation, and of any other junior 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 first 
day of March, June, September and December 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 Preferred Stock, in an amount per 
share (rounded to the nearest cent) equal to the greater of (x) $1.00 or (y) 
subject to the provision for adjustment hereinafter set forth, 1000 times the 
aggregate per share amount of all cash dividends, and 1000 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 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 Preferred Stock.  In the event the 
Corporation shall at any time declare or pay any dividend on the Common Stock 
payable in shares of Common Stock, or effect a subdivision or combination or 
consolidation of the outstanding shares of Common Stock (by reclassification 
or otherwise than by payment of a dividend in shares of Common Stock) into a 
greater or lesser number of shares of Common Stock, then in each such case 
the amount to which holders of shares of Series A Junior Preferred Stock were 
entitled immediately prior to such event under clause (y) of the preceding 
sentence shall be adjusted by multiplying such amount by a fraction, the 
numerator of which is the number of shares of Common Stock outstanding 


                                       2


<PAGE>


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 Preferred Stock as provided in paragraph (A) of this Section
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 Preferred Stock shall nevertheless be payable on such subsequent
Quarterly Dividend Payment Date.

    (C)  Dividends shall begin to accrue and be cumulative on outstanding
shares of Series A Junior Preferred Stock from the Quarterly Dividend Payment
Date next preceding the date of issue of such shares, 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 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 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
Preferred Stock entitled to receive payment of a dividend or distribution
declared thereon, which record date shall be not more than 60 days prior to the
date fixed for the payment thereof.

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

    (A)  Subject to the provision for adjustment hereinafter set forth, each
share of Series A Junior Preferred Stock shall entitle the holder thereof to
1000 votes on all matters submitted to a vote of the stockholders of the
Corporation.  In the event the Corporation shall at


                                       3


<PAGE>


any time declare or pay any dividend on the Common Stock payable in shares of 
Common Stock, or effect a subdivision or combination or consolidation of the 
outstanding shares of Common Stock (by reclassification or otherwise than by 
payment of a dividend in shares of Common Stock) into a greater or lesser 
number of shares of Common Stock, then in each such case the number of votes 
per share to which holders of shares of Series A Junior Preferred Stock were 
entitled immediately prior to such event shall be adjusted by multiplying 
such number by a fraction, the numerator of which is the number of shares of 
Common Stock outstanding immediately after such event and the denominator of 
which is the number of shares of Common Stock that were outstanding 
immediately prior to such event.

    (B)  Except as otherwise provided herein, in any other Certificate of
Designations creating a series of Preferred Stock or any similar stock, or by
law, the holders of shares of Series A Junior Preferred Stock and the holders of
shares of Common Stock and any other capital stock of the Corporation having
general voting rights shall vote together as one class on all matters submitted
to a vote of stockholders of the Corporation.

    (C)  Except as set forth herein, or as otherwise provided by law, holders
of Series A Junior 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 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 Preferred
Stock outstanding shall have been paid in full, the Corporation shall not:

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

       (ii) declare or pay dividends, 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 Preferred 
   Stock, except dividends paid ratably on the Series A Junior Preferred Stock 
   and all such parity 


                                       4


<PAGE>


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

       (iv)  redeem or purchase or otherwise acquire for consideration any 
   shares of Series A Junior Preferred Stock, or any shares of stock ranking 
   on a parity (either as to dividends or upon liquidation, dissolution or 
   winding up) with the Series A Junior 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
Company 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 Preferred
Stock purchased or otherwise acquired by the Company in any manner whatsoever
shall be retired and cancelled promptly after the acquisition thereof.  All such
shares shall upon their cancellation become authorized but unissued shares of
Preferred Stock and may be reissued as part of a new series of Preferred Stock
subject to the conditions and restrictions on issuance set forth herein, in the
Restated Certificate of Incorporation, or in any other Certificate of
Designations creating a series of Preferred Stock or any similar stock or as
otherwise required by law.

    Section 6.  Liquidation, Dissolution or Winding Up.  Upon any
liquidation, dissolution or winding up of the Corporation, no distribution shall
be made (1) to the 


                                       5


<PAGE>


holders of shares of stock ranking junior (either as to dividends or upon 
liquidation, dissolution or winding up) to the Series A Junior Preferred 
Stock unless, prior thereto, the holders of shares of Series A Junior 
Preferred Stock shall have received the higher of (i) $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, or (ii) an aggregate 
amount per share, subject to the provision for adjustment hereinafter set 
forth, equal to 1000 times the aggregate amount to be distributed per share 
to holders of shares of Common Stock; nor shall any distribution be made (2) 
to the holders of shares of stock ranking on a parity (either as to dividends 
or upon liquidation, dissolution or winding up) with the Series A Junior 
Preferred Stock, except distributions made ratably on the Series A Junior 
Preferred Stock and all such parity stock in proportion to the total amounts 
to which the holders of all such shares are entitled upon such liquidation, 
dissolution or winding up.  In the event the Corporation shall at any time 
declare or pay any dividend on the Common Stock payable in shares of Common 
Stock, or effect a subdivision or combination or consolidation of the 
outstanding shares of Common Stock (by reclassification or otherwise than by 
payment of a dividend in shares of Common Stock) into a greater or lesser 
number of shares of Common Stock, then in each such case the aggregate amount 
to which holders of shares of Series A Junior Preferred Stock were entitled 
immediately prior to such event under the proviso in clause (1) of the 
preceding sentence shall be adjusted by multiplying such amount by a fraction 
the numerator of which is the number of shares of Common Stock outstanding 
immediately after such event and the denominator of which is the number of 
shares of Common Stock that were outstanding immediately prior to such event.

    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 each share of
Series A Junior Preferred Stock shall at the same time be similarly exchanged or
changed into an amount per share, subject to the provision for adjustment
hereinafter set forth, equal to 1000 times the aggregate amount of stock,
securities, cash and/or any other property (payable in kind), as the case may
be, into which or for which each share of Common Stock is changed or exchanged. 
In the event the Corporation shall at any time declare or pay any dividend on
the Common Stock payable in shares of Common Stock, or effect a subdivision or
combination or consolidation of the outstanding shares of Common Stock (by
reclassification or otherwise than by payment of a dividend in shares of Common
Stock) into a 


                                       6


<PAGE>


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

    Section 8.  No Redemption.  The shares of Series A Junior Preferred
Stock shall not be redeemable.

    Section 9.  Rank.  The Series A Junior Preferred Stock shall rank, with
respect to the payment of dividends and the distribution of assets, junior to
all series of any other class of the Corporation's Preferred Stock.

    Section 10.  Amendment.  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
Preferred Stock so as to affect them adversely without the affirmative vote of
the holders of at least a majority of the outstanding shares of Series A Junior
Preferred Stock, voting together as a single class.

         IN WITNESS WHEREOF, this Certificate of Designations is executed on
behalf of the Corporation by its Chief Executive Officer and President and
attested by its Secretary this ___ day of ____________ __, 1997.



                             SONIC CORP.


                             By: _________________________
                                 Name:
                                 Title:

Attest:


By:________________________
   Name:
   Title:



                                       7




<PAGE>



                                                                       EXHIBIT 3


                    UNDER CERTAIN CIRCUMSTANCES AS PROVIDED IN THE
                   RIGHTS AGREEMENT (AS REFERRED TO BELOW), RIGHTS
                     ISSUED TO OR BENEFICIALLY OWNED BY ACQUIRING
                  PERSONS OR THEIR AFFILIATES OR ASSOCIATES (AS SUCH
                  TERMS ARE DEFINED IN THE RIGHTS AGREEMENT) OR ANY
                  SUBSEQUENT HOLDER OF SUCH RIGHTS SHALL BE NULL AND
                    VOID AND MAY NOT BE TRANSFERRED TO ANY PERSON.
                                           
                                     SONIC CORP.
                                           
                            SUMMARY OF RIGHTS TO PURCHASE
                           SERIES A JUNIOR PREFERRED STOCK
                                           


    On June 16, 1997, the Board of Directors of Sonic Corp. (the "Company")
declared a dividend distribution of one right (a "Right") for each outstanding
share of Common Stock, par value $.01 per share (the "Common Stock"), of the
Company. The distribution is payable as of June 27, 1997 to stockholders of
record on that date.  Each Right entitles the registered holder to purchase
from the Company one one-thousandth (1/1000) of a share of preferred stock of
the Company, designated as Series A Junior Preferred Stock (the "Preferred
Stock") at a price of $85 per one one-thousandth (1/1000) of a share ("Exercise
Price"), subject to adjustment. The description and terms of the Rights are
set forth in a Rights Agreement dated as of June 16, 1997 (the "Rights
Agreement") between Sonic Corp. and _________________ (the "Rights Agent").

    As discussed below, initially the Rights will not be exercisable,
certificates will not be sent to stockholders and the Rights will automatically
trade with the Common Stock.

    The Rights become exercisable upon the close of business on the day (the 
"Distribution Date") which is the earlier of (i) the tenth day following a 
public announcement that a person or group of affiliated or associated 
persons, with certain exceptions set forth below, has acquired beneficial 
ownership of 15% or more of any class of the outstanding voting stock of the 
Company (an "Acquiring Person") and (ii) the tenth business day after the 
date of the commencement or announcement of a person's or group's intention 
to commence a tender or exchange offer the consummation of which would result 
in the ownership of 15%

<PAGE>


or more of any class of the Company's outstanding voting stock (even if
no shares are actually purchased pursuant to such offer), or such later date as
may be determined by a majority of the Board of Directors and the Continuing
Directors (as defined in the Rights Agreement); prior thereto, the Rights will
not be exercisable, will not be represented by a separate certificate, and will
not be transferable apart from the Company's Common Stock, but will instead be
evidenced, with respect to any of the Common Stock certificates outstanding as
of June 27, 1997, by such Common Stock certificate with a copy of this Summary
of Rights attached thereto.  An Acquiring Person does not include (A) the
Company, (B) any subsidiary of the Company, (C) any employee benefit plan or
employee stock plan of the Company or of any subsidiary of the Company, or any
trust or other entity organized, appointed, established or holding Common Stock
for or pursuant to the terms of any such plan or (D) any person or group whose
ownership of 15% or more of the shares of any class of voting stock of the
Company then outstanding results solely from (i) any action or transaction or
transactions approved by a majority of the Board of Directors and the Continuing
Directors before such person or group became an Acquiring Person or (ii) a
reduction in the number of issued and outstanding shares of voting stock of the
Company pursuant to a transaction or transactions approved by a majority of the
Board of Directors and the Continuing Directors (provided that, in the event any
person or group set forth in clause (D) does not become an Acquiring Person by
reason of clause (i) or (ii) above, such persons set forth in clause (D) shall
nonetheless become an Acquiring Person upon acquisition of any additional shares
of the Company's voting stock unless such acquisition of additional voting stock
will not result in such person or group becoming an Acquiring Person by reason
of such clause (i) or (ii)).

    Until the Distribution Date (or earlier redemption or expiration of the
Rights), new Common Stock certificates issued after June 27, 1997 will contain a
legend incorporating the Rights Agreement by reference.  Until the Distribution
Date (or earlier redemption or expiration of the Rights), the surrender for
transfer of any of the Common Stock certificates outstanding as of June 27,
1997, with or without a copy of this Summary of Rights attached thereto, will
also constitute the transfer of the Rights associated with the Common Stock
represented by such certificate.  As soon as practicable following the
Distribution Date, separate certificates evidencing the Rights ("Rights
Certificates") will be mailed to holders of record of the Common Stock as of the
close of business on the Distribution Date and such separate certificates alone
will evidence the Rights from and after the Distribution Date.

                                       2


<PAGE>


    The Rights are not exercisable until the Distribution Date.  The Rights
will expire at the close of business on June 16, 2007, unless earlier redeemed
or exchanged by the Company, in each case as described below.

    The Preferred Stock is nonredeemable and, unless otherwise provided in
connection with the creation of a subsequent series of preferred stock,
subordinate to any other series of the Company's preferred stock.  Each share of
Preferred Stock will be entitled to a minimum quarterly dividend payment of
$1.00 per share but will be entitled to an aggregate dividend of 1000 times the
dividend declared on the Company's Common Stock.  In the event of the
liquidation of the Company, the holders of Preferred Stock will be entitled to
receive a payment of the greater of (i) $100.00 per share plus accrued and
unpaid dividends or (ii) 1000 times the aggregate amount to be distributed per
share to holders of Common Stock.  Each share of Preferred Stock will have 1000
votes, voting together with the Common Stock.  In the event of any merger,
consolidation or other transaction in which Common Stock is exchanged, each
share of Preferred Stock will be entitled to receive 1000 times the amount
received per share of Common Stock.  The rights of Preferred Stock as to
dividends, liquidation and voting are protected by anti-dilution provisions.

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

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

                                       3


<PAGE>


    Unless the transaction is approved by a majority of the Board of Directors
and the Continuing Directors, in the event that, after the time the Rights
become exercisable, the Company were to be acquired in a merger or other
business combination (in which any shares of Common Stock are changed into or
exchanged for other securities or assets) (other than a merger that follows a
cash tender offer for all outstanding shares of the Company, at a price
determined by a majority of the Continuing Directors to be fair and otherwise in
the best interests of the Company and its stockholders) or more than 50% of the
assets or earning power of the Company and its subsidiaries (taken as a whole)
were to be sold or transferred in one or a series of related transactions, the
Rights Agreement provides that proper provision will be made so that each holder
of record of a Right, will from and after such date, have the right to receive,
upon payment of the Exercise Price, that number of shares of common stock of the
acquiring company having a market value at the time of such transaction equal to
two times the Exercise Price.  In addition, in the event that a person or group
of affiliated or associated persons becomes an Acquiring Person (unless such
acquisition is made pursuant to a cash tender offer determined to be fair to the
stockholders of the Company, as described in the preceding sentence), the Rights
Agreement provides that proper provision will be made so that each holder of
record of a Right, other than the Acquiring Person (whose Rights will thereupon
become null and void), will thereafter have the right to receive, upon payment
of the Exercise Price, that number of shares of the Common Stock (or cash, other
securities or property) having a market value at the time of the transaction
equal to two times the Exercise Price (such market value to be determined with
reference to the market value of the Company's Common Stock as provided in the
Rights Agreement).

    Fractions of shares of Preferred Stock (other than fractions which are
integral multiples of one one-thousandth of a share) may, at the election of the
Company, be evidenced by depositary receipts.  The Company may also issue cash
in lieu of fractional shares which are not integral multiples of one
one-thousandth of a share.

    At any time on or prior to the close of business on the earlier of (i) 
the tenth day after the time that a person (or group of affiliated or 
associated persons) has become an Acquiring Person (or such later date as a 
majority of the Board of Directors and the Continuing Directors may 
determine) or (ii) June 16, 2007, the Company may redeem the Rights in whole, 
but not in part, at a price of $.01 per Right (the "Redemption Price"), with 
the approval of the Continuing Directors.  Immediately upon the effective 
time of the action of the Board of Directors of the Company

                                       4


<PAGE>


authorizing redemption of the Rights, the right to exercise the Rights will 
terminate and the only right of the holders of Rights will be to receive the 
Redemption Price.

    For as long as the Rights are then redeemable, the Company may amend the
Rights in any manner, including an amendment to extend the time period in which
the Rights may be redeemed.  At any time when the Rights are not then
redeemable, the Company may amend the Rights in any manner that does not
materially adversely affect the interests of holders of the Rights as such. 
Amendments to the Rights Agreement require the approval of the Continuing
Directors.

    At any time after a person (or group of affiliated or associated persons)
becomes an Acquiring Person and prior to the acquisition by any such person or
group of 50% or more of any class of outstanding voting stock of the Company,
the Board of Directors of the Company (with the approval of the Continuing
Directors) may exchange the Rights (other than Rights owned by such person or
group which have become void), in whole or in part, at an exchange ratio of one
share of Common Stock (or a fraction of a share of Preferred Stock or other
consideration having equivalent market value) per Right (subject to adjustment).

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

    A copy of the Rights Agreement has been filed with the Securities and
Exchange Commission as an Exhibit to a Registration Statement on Form 8-A dated
June 17, 1997.  A copy of the Rights Agreement is available free of charge from
the Company.  This summary description of the Rights does not purport to be
complete and is qualified in its entirety by reference to the Rights Agreement
which is incorporated herein by reference.

                                       5

<PAGE>


                                                                       
                                                                       EXHIBIT 4



                             [Form of Rights Certificate]


Certificate No. R-                                           ____________ Rights

    NOT EXERCISABLE AFTER JUNE 16, 2007 OR EARLIER IF REDEMPTION OR EXCHANGE
    OCCURS.  THE RIGHTS ARE SUBJECT TO REDEMPTION AT THE OPTION OF THE COMPANY
    AT $.01 PER RIGHT AND TO EXCHANGE ON THE TERMS SET FORTH IN THE RIGHTS
    AGREEMENT.  UNDER CERTAIN CIRCUMSTANCES AS PROVIDED IN THE RIGHTS AGREEMENT
    (AS REFERRED TO BELOW), RIGHTS ISSUED TO OR BENEFICIALLY OWNED BY ACQUIRING
    PERSONS OR THEIR AFFILIATES OR ASSOCIATES (AS SUCH TERMS ARE DEFINED IN THE
    RIGHTS AGREEMENT) OR ANY SUBSEQUENT HOLDER OF SUCH RIGHTS SHALL BE NULL AND
    VOID AND MAY NOT BE TRANSFERRED TO ANY PERSON.


                                  Rights Certificate
                                           
                                     SONIC CORP.

         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 June 16, 1997 (the "Rights Agreement") between Sonic
Corp., a Delaware corporation (the "Company"), and ________________________ (the
"Rights Agent"), to purchase from the Company at any time after the Distribution
Date (as such term is defined in the Rights Agreement) and prior to 5:00 P.M.
(New York time) on June 16, 2007 at the office of the Rights Agent designated in
the Rights Agreement for such purpose, or its successor as Rights Agent, one
one-thousandth (1/1000) of a fully paid nonassessable share of Series A Junior
Preferred Stock (the "Preferred Stock") of the Company at a purchase price of
$85, as the same may from time to time be adjusted in accordance with the Rights
Agreement (the "Exercise Price"), upon presentation and surrender of this Rights
Certificate with the Form of Election to Purchase attached hereto duly executed.

         As provided in the Rights Agreement, the Exercise Price and the number
of shares of Preferred Stock which may be purchased upon the exercise of the
Rights evidenced by this Rights Certificate are subject to modification and


<PAGE>

adjustment upon the happening of certain events and, upon the happening of
certain events, securities other than shares of Preferred Stock, or other
property, may be acquired upon exercise of the Rights evidenced by this Rights
Certificate, as provided in the Rights Agreement.

         This Rights Certificate is subject to all of the terms, provisions and
conditions of the Rights Agreement, which terms, provisions and conditions are
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 of the Rights Agent,
the Company and the holders of record of Rights Certificates.  Copies of the
Rights Agreement are on file at the principal executive office of the Company.

         This Rights Certificate, with or without other Rights Certificates,
upon surrender at the office of the Rights Agent designated in the Rights
Agreement for such purpose, may be exchanged for another Rights Certificate or
Rights Certificates of like tenor and date evidencing Rights entitling the
holder of record to purchase a like aggregate number of shares 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 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 a redemption
price of $.01 per Right, subject to adjustment or (ii) may be exchanged in whole
or in part for shares of the Company's Common Stock, par value $.01 per share,
shares of Preferred Stock or substantially equivalent rights or other
consideration as determined by the Company.

         No fractional shares of Preferred Stock (other than fractions which 
are integral multiples of one one-thousandth (1/1000) of a share) are 
required to be issued upon the exercise of any Right or Rights evidenced 
hereby, and in lieu thereof the Company may cause depositary receipts to be 
issued and/or a cash payment may 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 Preferred
Stock or of any other securities of the Company which may at any time be
issuable on the exercise hereof, nor shall anything 

                                       2

<PAGE>

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 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. 
Dated as of ____________.


                                       SONIC CORP.


                                       By: _________________________
                                           Name:
                                           Title:


Countersigned:

[RIGHTS AGENT]


By: __________________________
    Name:
    Title:
 
                                       3

<PAGE>

                     [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 Certificates.)
                                           



         FOR VALUE RECEIVED __________________________________________________
hereby sells, assigns and transfers unto _____________________________________

______________________________________________________________________________
                    (Please print name and address of transferee)
                                                                               
Rights evidenced by 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 must conform in all respects to name of
                             holder as specified on the face of this Rights
                             Certificate)

Signature Guaranteed: 
                                       4

<PAGE>

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

         The undersigned hereby certifies by checking the appropriate boxes
that:

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

         (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 thereof (as such terms are defined in the
Rights Agreement).


Dated: _______________       __________________________________________________
                             Signature
                             (Signature must conform in all respects to name of
                             holder as specified on the face of this Rights
                             Certificate)

                                       5

<PAGE>


                             FORM OF ELECTION TO PURCHASE
                             ----------------------------
                         (To be executed if registered holder
                     desires to exercise the Rights Certificate.)
                                           
TO SONIC CORP.:

         The undersigned hereby irrevocably elects to exercise ________________
Rights represented by this Rights Certificate to purchase the shares of
Preferred Stock (or other securities) issuable upon the exercise of such Rights
and requests that certificates for such share(s) be issued in the following
name:

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 remaining of such Rights
shall be registered in the name of and delivered to:

Please insert social security
or other identifying number:____________________________________________________
                                                                                
________________________________________________________________________________
                           (Please print name and address)
                                                                                
________________________________________________________________________________

Dated:____________                  


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

Signature Guaranteed:

                                       6
 
<PAGE>

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

         The undersigned hereby certifies by checking the appropriate boxes
that:

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

         (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 thereof (as such terms are defined in the
Rights Agreement).


Dated:_____________          __________________________________________________
                             Signature
                             (Signature must conform in all respects to name of
                             holder as specified on the face of this Rights
                             Certificate)

                                       7



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