COMMERCIAL METALS CO
8-A12B, 1999-08-03
METALS SERVICE CENTERS & OFFICES
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<PAGE>   1
================================================================================

                                                      COMMISSION FILE NO. 1-4304

                                    FORM 8-A

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


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

                            COMMERCIAL METALS COMPANY
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

            DELAWARE                                      75-0725338
    (STATE OF INCORPORATION)                   (IRS EMPLOYER IDENTIFICATION NO.)


7800 STEMMONS FREEWAY, 10TH FLOOR, DALLAS, TEXAS            75247
    (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)             (ZIP CODE)


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

       TITLE OF EACH CLASS                        NAME OF EACH EXCHANGE ON WHICH
       TO BE SO REGISTERED                        EACH CLASS IS TO BE REGISTERED
       -------------------                        ------------------------------

   RIGHTS TO PURCHASE SERIES A                        NEW YORK STOCK EXCHANGE
         PREFERRED STOCK

         IF THIS FORM RELATES TO THE REGISTRATION OF A CLASS OF SECURITIES
PURSUANT TO SECTION 12(b) OF THE EXCHANGE ACT AND IS EFFECTIVE PURSUANT TO
GENERAL INSTRUCTION A.(c), CHECK THE FOLLOWING BOX. [X]

         IF THIS FORM RELATES TO THE REGISTRATION OF A CLASS OF SECURITIES
PURSUANT TO SECTION 12(g) OF THE EXCHANGE ACT AND IS EFFECTIVE PURSUANT TO
GENERAL INSTRUCTION A.(d), CHECK THE FOLLOWING BOX. [ ]

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

                                      NONE
                                 ---------------
                                (TITLE OF CLASS)

================================================================================


<PAGE>   2



ITEM 1.   DESCRIPTION OF SECURITIES TO BE REGISTERED

         On July 28, 1999, the Board of Directors of Commercial Metals Company
(the "Company") declared a dividend distribution of one Right for each
outstanding share of the Company's common stock, $5.00 par value (the "Common
Stock"), to stockholders of record at the close of business on August 9, 1999.
Each Right entitles the registered holder to purchase from the Company one
one-thousandth (1/1,000) of a share of Series A Preferred Stock, par value $1.00
per share (the "Preferred Stock"), at a Purchase Price of $150.00 per one
one-thousandth (1/1,000) of a share, subject to adjustment. The description and
terms of the Rights are set forth in a Rights Agreement (the "Rights Agreement")
between the Company and ChaseMellon Shareholder Services, LLC, as Rights Agent
(the "Rights Agent").

         Initially, the Rights will be attached to all Common Stock certificates
representing shares then outstanding, and no separate Rights Certificates will
be distributed. The Rights will separate from the Common Stock upon the earlier
of (i) ten (10) business days following a public announcement that a person
(other than Daniel E. Feldman, Moses Feldman, Robert L. Feldman or Sara B.
Feldman or any of their affiliates, so long as they do not acquire beneficial
ownership of an aggregate of twenty five percent (25%) or more of the
outstanding shares of Common Stock) or group of affiliated or associated persons
(an "Acquiring Person") has acquired, or obtained the right to acquire,
beneficial ownership of fifteen percent (15%) or more of the outstanding shares
of Common Stock (the "Stock Acquisition Date"), or (ii) ten (10) business days
(or such later date as the Board of Directors shall determine) following the
commencement of a tender or exchange offer that would result in a person or
group beneficially owning fifteen percent (15%) or more of such outstanding
shares of Common Stock. The date the Rights separate is referred to as the
"Distribution Date."

         Until the Distribution Date, (i) the Rights will be evidenced by the
Common Stock certificates and will be transferred with and only with such Common
Stock certificates, (ii) new Common Stock certificates issued after August 9,
1999 will contain a notation incorporating the Rights Agreement by reference,
and (iii) the surrender for transfer of any certificates for Common Stock
outstanding will also constitute the transfer of the Rights associated with the
Common Stock represented by such certificates. Pursuant to the Rights Agreement,
the Company reserves the right to require prior to the occurrence of a
Triggering Event (as defined below) that, upon any exercise of Rights, a number
of Rights be exercised so that only whole shares of Preferred Stock will be
issued.

         The Rights are not exercisable until the Distribution Date and will
expire at the close of business on July 28, 2009, unless earlier redeemed by the
Company as described below.

         As soon as practicable after the Distribution Date, Rights Certificates
will be mailed to holders of record of the Common Stock as of the close of
business on the


<PAGE>   3



Distribution Date and, thereafter, the separate Rights Certificates will
represent the Rights. Except in connection with shares of Common Stock issued or
sold pursuant to the exercise of stock options under any employee plan or
arrangements, or upon the exercise, conversion or exchange of securities
hereafter issued by the Company, or as otherwise determined by the Board of
Directors, only shares of Common Stock issued prior to the Distribution Date
will be issued with Rights.

         In the event that (i) the Company is the surviving corporation in a
merger or other business combination with an Acquiring Person (or any associate
or affiliate thereof) and its Common Stock remains outstanding and unchanged,
(ii) any person shall acquire beneficial ownership of more than fifteen percent
(15%) of the outstanding shares of Common Stock (except pursuant to (A) certain
consolidations or mergers involving the Company or sales or transfers of the
combined assets, cash flow or earning power of the Company and its subsidiaries
or (B) an offer for all outstanding shares of Common Stock at a price and upon
terms and conditions which the Board of Directors determines to be in the best
interests of the Company and its stockholders), or (iii) there occurs a
reclassification of securities, a recapitalization of the Company or any of
certain business combinations or other transactions (other than certain
consolidations and mergers involving the Company and sales or transfers of the
combined assets, cash flow or earning power of the Company and its subsidiaries)
involving the Company or any of its subsidiaries which has the effect of
increasing by more than one percent (1%) the proportionate share of any class of
the outstanding equity securities of the Company or any of its subsidiaries
beneficially owned by an Acquiring Person (or any associate or affiliate
thereof), each holder of a Right (other than the Acquiring Person and certain
related parties) 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 Purchase Price of the
Right. Notwithstanding any of the foregoing, following the occurrence of any of
the events described in this paragraph, all Rights that are, or (under certain
circumstances specified in the Rights Agreement) were, beneficially owned by any
Acquiring Person will be null and void. The events described in this paragraph
are referred to as "Flip-in Events."

         For example, at a Purchase Price of $150.00 per Right, each Right not
owned by an Acquiring Person (or by certain related parties or transferees)
following an event set forth in the preceding paragraph would entitle its holder
to purchase $300.00 worth of Common Stock (or other consideration, as noted
above) for $150.00. Assuming that the Common Stock had a per share market price
of $30.00 at such time, the holder of each valid Right would be entitled to
purchase 10 shares of Common Stock for $150.00.

         In the event that, at any time following the Stock Acquisition Date,
(i) the Company shall enter into a merger or other business combination
transaction in which the Company is not the surviving corporation, (ii) the
Company is the surviving corporation in a consolidation, merger or similar
transaction pursuant to which all or part of the outstanding shares of Common
Stock are changed into or exchanged for stock or other securities of any other
person or cash or any other property or (iii) more than


                                      - 2 -

<PAGE>   4



50% of the combined assets, cash flow or earning power of the Company and its
subsidiaries is sold or transferred (in each case other than certain
consolidations with, mergers with and into, or sales of assets, cash flow or
earning power by or to subsidiaries of the Company as specified in the Rights
Agreement), each holder of a Right (except Rights which previously have been
voided as set forth above) shall thereafter have the right to receive, upon
exercise, common stock of the acquiring company having a value equal to two
times the Purchase Price of the Right. The events described in this paragraph
are referred to as "Flip-over Events." Flip-in Events and Flip-over Events are
referred to collectively as "Triggering Events."

         The Purchase Price payable, the number and kind of shares covered by
each Right and the number of Rights outstanding 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, options or warrants
to subscribe for Preferred Stock or securities convertible into Preferred Stock
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,
cash (excluding regular quarterly cash dividends), assets (other than dividends
payable in Preferred Stock) or subscription rights or warrants (other than those
referred to in (ii) immediately above).

         With certain exceptions, no adjustment in the Purchase Price will be
required until cumulative adjustments amount to at least one percent (1%) of the
Purchase Price. No fractional shares of Preferred Stock are required to be
issued (other than fractions which are integral multiples of one one-thousandth
(1/1,000) of a share of Preferred Stock) and, in lieu thereof, the Company may
make an adjustment in cash based on the market price of the Preferred Stock on
the trading date immediately prior to the date of exercise.

         At any time after any person or group becomes an Acquiring Person and
prior to the acquisition by such person or group of fifty percent (50%) or more
of the outstanding shares of Common Stock, the Board of Directors of the Company
may, without payment of the Purchase Price by the holder, exchange the Rights
(other than Rights owned by such person or group, which will become void), in
whole or in part, for shares of Common Stock at an exchange ratio of one-half
(1/2) the number of shares of Common Stock (or in certain circumstances
Preferred Stock) for which a Right is exercisable immediately prior to the time
of the Company's decision to exchange the Rights (subject to adjustment).

         At any time until the Stock Acquisition Date, the Company may redeem
the Rights in whole, but not in part, at a price of $0.001 per Right (payable in
cash, shares of Common Stock or other consideration deemed appropriate by the
Board of Directors). Immediately upon the action of the Board of Directors
ordering redemption of the Rights, the Rights will terminate and the only right
of the holders of Rights will be to receive the $0.001 redemption price.


                                      - 3 -

<PAGE>   5



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

         Other than those provisions relating to the principal economic terms of
the Rights, any of the provisions of the Rights Agreement may be amended by the
Board of Directors of the Company at any time during the period in which the
Rights are redeemable. At any time when the Rights are no longer redeemable, the
provisions of the Rights Agreement may be amended by the Board only if such
amendment does not adversely affect the interest of holders of Rights (excluding
the interest of any Acquiring Person); provided, however, that no amendment may
cause the Rights again to become redeemable.

         A copy of the Rights Agreement specifying the terms of the Rights, the
Certificate of Designation, Preferences and Rights of Series A Preferred Stock,
form of Certificate of Designation, Preferences and Rights of Series A Preferred
Stock and the form of Rights Certificate are filed herewith as Exhibits and are
incorporated herein by reference. Copies of the Rights Agreement are also
available free of charge from the Rights Agent. The foregoing description of the
Rights does not purport to be complete and is qualified in its entirety by
reference to the Rights Agreement.

ITEM 2.   EXHIBITS

1.       Rights Agreement, dated as of July 28, 1999, by and between Commercial
         Metals Company and ChaseMellon Shareholder Services, LLC, as Rights
         Agent, including exhibits thereto.

2.       Certificate of Designation, Preferences and Rights of Series A
         Preferred Stock and Form of Certificate of Designation, Preferences and
         Rights of Series A Preferred Stock of Commercial Metals Company
         (attached as Exhibit 1 to the Rights Agreement filed as Exhibit 1
         hereto).

3.       Form of Rights Certificate (attached as Exhibit 2 to the Rights
         Agreement filed as Exhibit 1 hereto).

                                   * * * * *


                                      - 4 -

<PAGE>   6



                                   SIGNATURES


Pursuant to the requirements of Section 12 of the Securities Exchange Act of
1934, as amended, the Registrant has duly caused this registration statement to
be signed on its behalf by the undersigned, thereunto duly authorized.


                                      COMMERCIAL METALS COMPANY


August 3, 1999                        By: /s/ BERT ROMBERG
                                          --------------------------------------
                                         Name: Bert Romberg
                                               ---------------------------------
                                         Title: Senior Vice President
                                                --------------------------------


                                      - 5 -

<PAGE>   7


                                INDEX TO EXHIBITS

<TABLE>
<CAPTION>
EXHIBIT
NUMBER   DESCRIPTION
- -------  -----------

<S>      <C>
1.       Rights Agreement, dated as of July 28, 1999, by and between Commercial
         Metals Company and ChaseMellon Shareholder Services, LLC, as Rights
         Agent, including exhibits thereto.

2.       Certificate of Designation, Preferences and Rights of Series A
         Preferred Stock and Form of Certificate of Designation, Preferences and
         Rights of Series A Preferred Stock of Commercial Metals Company
         (attached as Exhibit 1 to the Rights Agreement filed as Exhibit 1
         hereto).

3.       Form of Rights Certificate (attached as Exhibit 2 to the Rights
         Agreement filed as Exhibit 1 hereto).
</TABLE>




                                      - 6 -

<PAGE>   1
                           COMMERCIAL METALS COMPANY

                                      AND

                     CHASEMELLON SHAREHOLDER SERVICES, LLC

                                  RIGHTS AGENT


                                RIGHTS AGREEMENT

                           DATED AS OF JULY 28, 1999



<PAGE>   2



                               TABLE OF CONTENTS

<TABLE>
<CAPTION>

SECTION                                                                                                        PAGE
<S>               <C>                                                                                         <C>
Section 1.        Certain Definitions.............................................................................1

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

Section 3.        Issuance of Rights Certificates.................................................................7
         (a)      Distribution Date; Rights Certificates. ........................................................7
         (b)      Common Stock Certificates; Summary of Rights....................................................8
         (c)      Legend..........................................................................................8

Section 4.        Form of Rights Certificates.....................................................................9
         (a)      Form; Date......................................................................................9
         (b)      Acquiring Person Legend.........................................................................9

Section 5.        Countersignature and Registration..............................................................10
         (a)      Signatures.....................................................................................10
         (b)      Registration and Transfer......................................................................11

Section 6.        Transfer, Split Up, Combination and Exchange of Rights
                  Certificates; Mutilated, Destroyed, Lost or Stolen Rights
                  Certificates...................................................................................11
         (a)      Procedure......................................................................................11
         (b)      Issuance of New Rights Certificates............................................................12

Section 7.        Exercise of Rights; Purchase Price; Expiration Date of Rights..................................12
         (a)      Exercise.......................................................................................12
         (b)      Purchase Price.................................................................................13
         (c)      Rights Agent Actions...........................................................................13
         (d)      Partial Exercise...............................................................................13
         (e)      Termination of Acquiring Person's Rights.......................................................14
         (f)      Surrender of Rights Certificates; Identity of Beneficial Owner.................................14

Section 8.        Cancellation and Destruction of Rights Certificates............................................14

Section 9.        Reservation and Availability of Capital Stock..................................................15
         (a)      Reservation of Capital Stock...................................................................15
         (b)      Listing........................................................................................15
         (c)      Registration under the Act.....................................................................15
         (d)      Covenant Regarding Capital Stock...............................................................16
         (e)      Transfer Taxes and Charges.....................................................................16
</TABLE>




                                      (i)

<PAGE>   3

<TABLE>

<S>               <C>                                                                                         <C>
Section 10.       Preferred Stock Record Date....................................................................16

Section 11.       Adjustment of Purchase Price; Number and Kind of Shares or
                  Number of Rights...............................................................................17
         (a)      Certain Adjustments............................................................................17
         (b)      Purchase Price Adjustment -- Capital Stock.....................................................21
         (c)      Purchase Price Adjustment -- Cash, Assets, etc.................................................22
         (d)      Current Market Price...........................................................................22
         (e)      Purchase Price Adjustment Threshold............................................................24
         (f)      Equivalent Adjustments. .......................................................................24
         (g)      Post-Adjustment Rights Issuances...............................................................24
         (h)      Preferred Stock Anti-Dilution..................................................................24
         (i)      Adjustment of Number of Rights.................................................................25
         (j)      Rights Certificates............................................................................26
         (k)      Adjustment Below Par Value.....................................................................26
         (l)      Adjustment Effective as of Future Date; Exercise...............................................26
         (m)      Tax Adjustments................................................................................26
         (n)      Restriction on Certain Transactions............................................................27
         (o)      Restriction Against Diminishing Benefits of the Rights.........................................27
         (p)      Common Stock Adjustments.......................................................................27

Section 12.       Certificate of Adjusted Purchase Price or Number of Shares.....................................28

Section 13.       Consolidation, Merger or Sale or Transfer of Assets or Earning
                  Power..........................................................................................28
         (a)      Flip-over Event................................................................................28
         (b)      Principal Party................................................................................29
         (c)      Supplemental Agreement.........................................................................30
         (d)      Exceptions.....................................................................................31

Section 14.       Fractional Rights and Fractional Shares........................................................31
         (a)      Fractional Rights..............................................................................31
         (b)      Fractional Shares of Preferred Stock...........................................................32
         (c)      Fractional Shares of Common Stock..............................................................32
         (d)      Waiver of Fractional Rights and Shares.........................................................33

Section 15.       Rights of Action...............................................................................33

Section 16.       Agreement of Rights Holders....................................................................33

Section 17.       Rights Certificate Holder Not Deemed a Stockholder.............................................34
</TABLE>




                                      (ii)

<PAGE>   4

<TABLE>

<S>               <C>                                                                                         <C>
Section 18.       Concerning the Rights Agent....................................................................34
         (a)      Compensation.  ................................................................................34
         (b)      Reliance.  ....................................................................................35

Section 19.       Merger or Consolidation or Change of Name of Rights Agent......................................35
         (a)      Successor.  ...................................................................................35
         (b)      Prior Countersignatures.  .....................................................................36

Section 20.       Duties of Rights Agent.........................................................................36
         (a)      Legal Counsel.  ...............................................................................36
         (b)      Certification by the Company.  ................................................................36
         (c)      Liability for Negligence, etc..................................................................36
         (d)      Statements of Fact or Recitals.  ..............................................................37
         (e)      Agreement; Adjustments.  ......................................................................37
         (f)      Further Assurances.  ..........................................................................37
         (g)      Instructions.  ................................................................................37
         (h)      Dealing in Rights.  ...........................................................................37
         (i)      Agents; Reasonable Care.  .....................................................................38
         (j)      Expenses; Repayment Assurances.  ..............................................................38
         (k)      Exercise of Rights; Consultation with Company.  ...............................................38

Section 21.       Change of Rights Agent.........................................................................38

Section 22.       Issuance of New Rights Certificates............................................................39

Section 23.       Redemption and Termination.....................................................................40
         (a)      Redemption.  ..................................................................................40
         (b)      Effect of Redemption; Procedure.  .............................................................40

Section 24.       Exchange.......................................................................................40
         (a)      Right to Exchange..............................................................................40
         (b)      Effect of Exchange; Procedure.  ...............................................................41
         (c)      Common Stock Equivalents.......................................................................41
         (d)      Insufficient Common Stock......................................................................41
         (e)      Fractional Shares..............................................................................41

Section 25.       Notice of Certain Events.......................................................................42
         (a)      Preferred Stock Transactions, etc.  ...........................................................42
         (b)      Other Transactions.  ..........................................................................43

Section 26.       Notices........................................................................................43

Section 27.       Supplements and Amendments.....................................................................44
</TABLE>




                                     (iii)

<PAGE>   5

<TABLE>

<S>               <C>                                                                                         <C>
Section 28.       Successors.....................................................................................45

Section 29.       Determinations and Actions by the Board of Directors, etc......................................45

Section 30.       Benefits of this Agreement.....................................................................45

Section 31.       Severability...................................................................................45

Section 32.       Governing Law..................................................................................46

Section 33.       Counterparts...................................................................................46

Section 34.       Descriptive Headings...........................................................................46

Exhibit 1         Certificate of Designation, Preferences and Rights of Series A
                  Preferred Stock................................................................................48

Exhibit 2         Form of Rights Certificate.....................................................................57

Exhibit 3         Letter to Stockholders.........................................................................64

Exhibit 4         Press Release..................................................................................69
</TABLE>

                                      (iv)

<PAGE>   6



                                RIGHTS AGREEMENT


         RIGHTS AGREEMENT, dated as of July 28, 1999, between Commercial Metals
Company, a Delaware corporation (the "Company"), and ChaseMellon Shareholder
Services, LLC, a New Jersey limited liability company (the "Rights Agent").

                                    RECITAL

         On July 28, 1999 (the "Rights Dividend Declaration Date"), the Board
of Directors of the Company authorized and declared a dividend distribution of
one Right for each share of Common Stock (as hereinafter defined) of the
Company outstanding at the close of business on August 9, 1999 (the "Record
Date"), and has authorized the issuance of one Right (as such number may
hereafter be adjusted as provided herein) for each share of Common Stock of the
Company issued between the Record Date (whether originally issued or delivered
from the Company's treasury) and the Distribution Date, each Right initially
representing the right to purchase one one-thousandth of a share of Series A
Preferred Stock of the Company having the rights, powers and preferences set
forth in the form of Certificate of Designation, Preferences and Rights
attached hereto as Exhibit 1, upon the terms and subject to the conditions
hereinafter set forth (the "Rights");

                                   AGREEMENT

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

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

                  (a) "Acquiring Person" shall mean any Person who or which,
together with all Affiliates and Associates of such Person, shall be the
Beneficial Owner (as such term is hereinafter defined) of 15% or more of the
shares of Common Stock then outstanding, but shall not include (i) the Company,
(ii) any Subsidiary of the Company, (iii) any employee benefit plan of the
Company or of any Subsidiary of the Company, or any Person or entity organized,
appointed or established by the Company for or pursuant to the terms of any
such plan, (iv) any Exempt Person, or (v) any Person who becomes an Acquiring
Person solely as a result of a reduction in the number of shares of Common
Stock outstanding due to the repurchase of shares of Common Stock by the
Company, unless and until such Person shall purchase or otherwise become (as a
result of actions taken by such Person or its Affiliates or Associates) the
Beneficial Owner of additional shares of Common Stock constituting 1% or more
of the then outstanding shares of Common Stock. Notwithstanding the foregoing,
if the Board of Directors of the Company determines in good faith that a Person
who would otherwise be an



<PAGE>   7



Acquiring Person, as defined pursuant to the foregoing provisions of this
paragraph, has become such inadvertently (including, without limitation,
because (i) such Person was unaware that it beneficially owned a percentage of
Common Stock that would otherwise cause such Person to be an Acquiring Person,
or (ii) such Person was aware of the extent of its Beneficial Ownership of
Common Stock but had no actual knowledge of the consequences of such Beneficial
Ownership under this Agreement) and without any intention of changing or
influencing control of the Company, and such Person divests as promptly as
practicable a sufficient number of shares of Common Stock so that such Person
would no longer be an Acquiring Person as defined pursuant to the foregoing
provisions of this paragraph, then such Person shall not be deemed to be or to
have become an Acquiring Person for any purposes of this Agreement.

                  (b) "Act" shall mean the Securities Act of 1933, as amended
and in effect from time to time.

                  (c) "Adjustment Shares" shall have the meaning set forth in
Section 11(a)(ii) (Adjustment of Purchase Price; Number and Kind of Shares or
Number of Rights -- Certain Adjustments)

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

                  (e) "Agreement" shall mean this Rights Agreement as
originally executed or as it may from time to time be supplemented or amended
pursuant to the applicable provisions hereof.

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

                           (i) which such Person or any of such Person's
Affiliates or Associates, directly or indirectly, has the right to acquire
(whether such right is exercisable immediately or only after the passage of
time) pursuant to any agreement, arrangement or understanding (whether or not in
writing) or upon the exercise of conversion rights, exchange rights, rights,
warrants or options, or otherwise; provided, however, that a Person shall not,
for purposes of this paragraph (i), be deemed the "Beneficial Owner" of or to
"beneficially own," (A) securities tendered pursuant to a tender or exchange
offer made by such Person or any of such Person's Affiliates or Associates until
such tendered securities are accepted for purchase or exchange, or (B)
securities issuable upon exercise of Rights at any time prior to the occurrence
of a Triggering Event, or (C) securities issuable upon exercise of Rights from
and after the occurrence of a Triggering Event, which Rights were acquired by
such Person or any of such Person's Affiliates or Associates prior to the
Distribution Date or pursuant to Section 3(a) (Issuance of Rights Certificates
- -- Distribution Date; Rights Certificates) or



                                        2

<PAGE>   8



Section 22 (Issuance of New Rights Certificates) (the "Original Rights") or
pursuant to Section 11(i) (Adjustment of Purchase Price; Number and Kind of
Shares or Number of Rights -- Adjustment of Number of Rights) in connection
with an adjustment made with respect to any Original Rights;

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

                           (iii) which are "beneficially owned," directly or
indirectly, by any other Person (or any Affiliate or Associate thereof) with
which such Person (or any of such Person's Affiliates or Associates) has any
agreement, arrangement or understanding (whether or not in writing), for the
purpose of acquiring, holding, voting (except pursuant to a revocable proxy as
described in the proviso to subparagraph (ii) of this paragraph (f)) or
disposing of any voting securities of the Company;

provided, however, that nothing in this paragraph (f) shall cause a Person
engaged in business as an underwriter of securities to be the "Beneficial
Owner" of or to "beneficially own," any securities acquired through such
Person's participation in good faith in a firm commitment underwriting until
the expiration of forty (40) calendar days after the date of such acquisition.

                  (g) "Board" means the Board of Directors of the Company.

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

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

                  (j) "Common Stock" shall mean the common stock, par value
$5.00 per share, of the Company, or if such Common Stock shall have been
converted into or



                                        3

<PAGE>   9



exchanged for other securities, such securities, except that "Common Stock"
when used with reference to any Person other than the Company shall mean the
capital stock of such Person with the greatest voting power, or the equity
securities or other equity interest having power to control or direct the
management, of such Person.

                  (k) "Common Stock Equivalents" shall have the meaning set
forth in Section 11(a)(iii) (Adjustment of Purchase Price; Number and Kind of
Shares or Number of Rights -- Certain Adjustments).

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

                  (m) "Current Market Price" shall have the meaning set forth
in Section 11(d) (Adjustment of Purchase Price; Number and Kind of Shares or
Number of Rights -- Current Market Price).

                  (n) "Current Value" shall have the meaning set forth in
Section 11(a)(iii) (Adjustment of Purchase Price; Number and Kind of Shares or
Number of Rights -- Certain Adjustments).

                  (o) "Distribution Date" shall have the meaning set forth in
Section 3(a) (Issuance of Rights Certificates -- Distribution Date; Rights
Certificates).

                  (p) "Equivalent Preferred Stock" shall have the meaning set
forth in Section 11(b) (Adjustment of Purchase Price; Number and Kind of Shares
or Number of Rights -- Purchase Price Adjustment -- Capital Stock).

                  (q) "Exchange Act" shall mean the Securities Exchange Act of
1934, as amended and in effect on the date of this Agreement.

                  (r) "Exchange Number" shall mean one-half of the number of
shares of Common Stock, one-thousandths of a share of Preferred Stock, or
shares or other units of other property for which a Right is exercisable
immediately prior to the time of the action of the Board to exchange the
Rights.

                  (s) "Exempt Person" shall mean Daniel E. Feldman, Moses
Feldman, Robert L. Feldman, or Sara B. Feldman (the "Feldmans"), or any of his
or her Affiliates, so long as the Feldmans and their Affiliates do not
beneficially own an aggregate of 25% or more of the shares of Common Stock then
outstanding. A Person who is an Affiliate



                                        4

<PAGE>   10



of one or more of the Feldmans, and of another Person, shall not be an Exempt
Person for purposes of determining if such other Person is an Acquiring Person.

                  (t) "Expiration Date" shall have the meaning set forth in
Section 7(a) (Exercise of Rights; Purchase Price; Expiration Date of Rights --
Exercise).

                  (u) "Final Expiration Date" shall mean the Close of Business
on July 28, 2009.

                  (v) "Flip-in Event" shall mean any event described in Section
11(a)(ii) (A) or (B) (Adjustment of Purchase Price; Number and Kind of Shares or
Number of Rights -- Certain Adjustments).

                  (w) "Flip-in Trigger Date" shall have the meaning set forth in
Section 11(a)(iii) (Adjustment of Purchase Price; Number and Kind of Shares or
Number of Rights -- Certain Adjustments).

                  (x) "Flip-over Event" shall mean any event described in
clauses (x), (y) or (z) of Section 13(a) (Consolidation, Merger or Sale or
Transfer of Assets or Earning Power -- Flip-over Event).

                  (y) "Original Rights" shall have the meaning set forth in
Section 1(f)(i) (Certain Definitions).

                  (z) "Person" shall mean any individual, firm, corporation,
limited liability company, trust or partnership or other entity.

                  (aa) "Preferred Stock" shall mean shares of Preferred Stock,
Series A, par value $1.00, of the Company, and, to the extent that there is not
a sufficient number of shares of Series A Preferred Stock authorized to permit
the full exercise of the Rights, any other series of Preferred Stock, par value
$1.00, of the Company designated for such purpose containing terms
substantially similar to the terms of the Series A Preferred Stock.

                  (bb) "Principal Party" shall have the meaning set forth in
Section 13(b) (Consolidation, Merger or Sale or Transfer of Assets or Earning
Power -- Principal Party).

                  (cc) "Purchase Price" shall have the meaning set forth in
Section 4(a) (Form of Rights Certificates -- Form; Date).

                  (dd) "Record Date" shall have the meaning set forth in the
Recitals at the beginning of the Agreement.




                                        5

<PAGE>   11



                  (ee) "Redemption Date" shall have the meaning set forth in
Section 23(a) (Redemption and Termination -- Redemption).

                  (ff) "Redemption Price" shall have the meaning set forth in
Section 23(a) (Redemption and Termination -- Redemption).

                  (gg) "Rights" shall have the meaning set forth in the Recitals
at the beginning of the Agreement.

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

                  (ii) "Rights Certificates" shall have the meaning set forth
in Section 3(a) (Issuance of Rights Certificates -- Distribution Date; Rights
Certificates).

                  (jj) "Rights Dividend Declaration Date" shall have the meaning
set forth in the Recital at the beginning of the Agreement.

                  (kk) "Spread" shall have the meaning set forth in Section
11(a)(iii) (Adjustment of Purchase Price; Number and Kind of Shares or Number
of Rights -- Certain Adjustments).

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

                  (mm) "Subsidiary" shall mean, with reference to any Person,
any corporation or other entity of which a majority of the voting power of
equity securities or majority of the equity interest is beneficially owned,
directly or indirectly, by such Person, or otherwise controlled by such Person.

                  (nn) "Substitution Period" shall have the meaning set forth
in Section 11(a)(iii) (Adjustment of Purchase Price; Number and Kind of Shares
or Number of Rights -- Certain Adjustments).

                  (oo) "Trading Day" shall have the meaning set forth in
Section 11(d)(i) (Adjustment of Purchase Price; Number and Kind of Shares or
Number of Rights -- Current Market Price).




                                        6

<PAGE>   12



                  (pp) "Triggering Event" shall mean any Flip-in Event or any
Flip-over Event.

         Section 2. Appointment of Rights Agent. The Company hereby appoints
the Rights Agent to act as agent for the Company 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; provided, however, that no such appointment shall
change or increase the Rights Agent's duties or obligations. The Rights Agent
shall have no duty to supervise, and in no event shall be liable for, the acts
or omissions of any such Co-Rights Agent.

         Section 3. Issuance of Rights Certificates.

                  (a) Distribution Date; Rights Certificates. Until the earlier
of (i) the Close of Business on the tenth Business Day after the Stock
Acquisition Date (or, if the tenth Business Day after the Stock Acquisition
Date occurs before the Record Date, the Close of Business on the Record Date),
or (ii) the Close of Business on the tenth Business Day (or such later date as
the Board shall determine prior to such time as any Person becomes an Acquiring
Person) after the date that a tender or exchange offer by any Person (other
than the Company, any Subsidiary of the Company, any employee benefit plan of
the Company or of any Subsidiary of the Company, or any Person or entity
organized, appointed or established by the Company for or pursuant to the terms
of any such plan) is first published or sent or given within the meaning of
Rule 14d-2(a) of the General Rules and Regulations under the Exchange Act, if
upon consummation thereof such Person would be the Beneficial Owner of 15% or
more of the shares of Common Stock then outstanding (the earlier of (i) and
(ii) being herein referred to as the "Distribution Date"), (x) the Rights will
be evidenced (subject to the provisions of paragraph (b) of this Section 3) by
the certificates for the Common Stock registered in the names of the holders of
the Common Stock (which certificates for Common Stock shall be deemed also to
be certificates for Rights) and not by separate certificates, and (y) the
Rights will be transferable only in connection with the transfer of the
underlying shares of Common Stock (including a transfer to the Company, except
pursuant to the provision of Section 23 (Redemption and Termination)). Upon the
occurrence of a Distribution Date, the Company shall promptly notify the Rights
Agent and request a stockholder list from the Company's transfer agent. As soon
as practicable after the Rights Agent receives such notice and list, the Rights
Agent will send by first-class, insured, postage prepaid mail, to each record
holder of the Common Stock as of the Close of Business on the Distribution
Date, at the address of such holder shown on the records of the Company, one or
more rights certificates, in substantially the form of Exhibit 2 hereto (the
"Rights Certificates"), evidencing one Right for each share of Common Stock so
held, subject to adjustment as provided herein. In the event that an adjustment
in the number of Rights per share of Common Stock has been made pursuant to
Section 11(p) (Adjustment of Purchase Price; Number and Kind of Shares or
Number of Rights -- Common Stock Adjustments) at the time of distribution of
the Rights Certificates, the



                                        7

<PAGE>   13



Company shall make the necessary and appropriate rounding adjustments (in
accordance with Section 14(a) (Fractional Rights and Fractional Shares --
Fractional Rights)) so that Rights Certificates representing only whole numbers
of Rights are distributed and cash is paid in lieu of any fractional Rights. As
of and after the Distribution Date, the Rights will be evidenced solely by such
Rights Certificates.

                  (b) Common Stock Certificates; Summary of Rights. With
respect to certificates for the Common Stock outstanding as of the Record Date,
until the Distribution Date, the Rights associated with the Common Stock
represented by such certificates will be evidenced by such certificates alone
and the registered holders of such Common Stock shall also be the registered
holders of the associated Rights. Until the earlier of the Distribution Date or
the Expiration Date, the transfer of any certificates representing shares of
Common Stock in respect of which Rights have been issued shall also constitute
the transfer of the Rights associated with such shares of Common Stock. On the
Record Date, or as soon as practicable thereafter, the Company will send a copy
of a Summary of Rights to Purchase Preferred Stock, in substantially the form
of Exhibit 3 hereto (the "Summary of Rights"), by first-class, postage-prepaid
mail, to each record holder of shares of Common Stock as of the close of
business of the Record Date, at the address of such holder shown on the records
of the Company.

                  (c) Legend. Rights shall be issued in respect of all
certificates for shares of Common Stock which are issued (whether originally
issued or from the Company's treasury) after the Record Date but prior to the
earliest of the (i) Distribution Date, (ii) the Expiration Date, or (iii) the
Redemption Date, or, in certain circumstances provided in Section 22 (Issuance
of New Rights Certificates) after the Distribution Date. Certificates
representing such shares of Common Stock shall also be deemed to be
certificates for Rights, and shall bear the following legend:

                  This certificate also evidences and entitles the holder
                  hereof to certain Rights as set forth in the Rights Agreement
                  dated as of July 28, 1999, by and between Commercial Metals
                  Company (the "Company") and ChaseMellon Shareholder Services,
                  LLC, as Rights Agent (the "Rights Agreement"), the terms of
                  which are hereby incorporated herein by reference and a copy
                  of which is on file at the principal offices of the Company.
                  Under certain circumstances, as set forth in the Rights
                  Agreement, such Rights will be evidenced by separate
                  certificates and will no longer be evidenced by this
                  certificate. The Company will mail to the holder of this
                  certificate a copy of the Rights Agreement, as in effect on
                  the date of mailing, without charge promptly after receipt of
                  a written request therefor. Under certain circumstances set
                  forth in the Rights Agreement, Rights issued to, or held by,
                  any Person who is, was or becomes an Acquiring Person or any
                  Affiliate or



                                        8

<PAGE>   14



                  Associate thereof (as such terms are defined in the Rights
                  Agreement), whether currently held by or on behalf of such
                  Person or by any subsequent holder, may become null and void.

With respect to such certificates containing the foregoing legend, until the
earliest of (i) the Distribution Date, (ii) the Expiration Date, and (iii) the
Redemption Date, (x) the Rights associated with the Common Stock represented by
such certificates shall be evidenced by such certificates alone, (y) the
registered holders of such Common Stock shall also be the registered holders of
the associated Rights, and (z) the transfer of any of such certificates shall
also constitute the transfer of the Rights associated with such shares of
Common Stock. In the event that the Company purchases, or acquires any shares
of Common Stock after the Record Date but prior to the Distribution Date, any
rights associated with such shares of Common Stock shall be deemed canceled and
retired so that the Company shall not be entitled to exercise any Rights
associated with shares of Common Stock which are no longer outstanding.

         Section 4. Form of Rights Certificates.

                  (a) Form; Date. The Rights Certificates (and the forms of
election to purchase and of assignment to be printed on the reverse thereof)
shall each be substantially in the form set forth in Exhibit 2 hereto and may
have such marks of identification or designation and such legends, summaries or
endorsements printed thereon as the Company may deem appropriate (which do not
affect the duties or responsibilities of the Rights Agent) and as are not
inconsistent with the provisions of this Agreement, or as may be required to
comply with any applicable law or with any rule or regulation made pursuant
thereto or with any rule or regulation of any stock exchange on which the
Rights may from time to time be listed or any securities association on whose
interdealer quotation system the Rights may be from time to time authorized for
quotation, or to conform to usage. Subject to the provisions of Section 11
(Adjustment of Purchase Price; Number and Kind of Shares or Number of Rights)
and Section 22 (Issuance of New Rights Certificates), the Rights Certificates,
whenever distributed, shall be dated as of the Record Date and on their face
shall entitle the holders thereof to purchase such number of one
one-thousandths of a share of Preferred Stock as shall be set forth therein at
the price set forth therein (such exercise price per one one-thousandth of a
share is referred to herein as the "Purchase Price"), but the amount and type
of securities purchasable upon the exercise of each Right and the Purchase
Price thereof shall be subject to adjustment as provided herein.

                  (b) Acquiring Person Legend. Any Rights Certificate issued
pursuant to Section 3(a) (Issuance of Rights Certificates -- Distribution Date;
Rights Certificates) or Section 22 (Issuance of New Rights Certificates) that
represents Rights beneficially owned by (i) an Acquiring Person or any
Associate or Affiliate of an Acquiring Person, (ii) a transferee of an
Acquiring Person (or of any such Associate or Affiliate) who



                                        9

<PAGE>   15



becomes a transferee after the Acquiring Person becomes such, or (iii) a
transferee of an Acquiring Person (or of any such Associate or Affiliate) who
becomes a transferee prior to or concurrently with the Acquiring Person becoming
such and receives such Rights pursuant to either (A) a transfer (whether or not
for consideration) from the Acquiring Person to holders of equity interests in
such Acquiring Person or to any Person with whom such Acquiring Person has any
continuing agreement, arrangement or understanding regarding the transferred
Rights or (B) a transfer which is part of a plan, arrangement or understanding
which has as a primary purpose or effect avoidance of Section 7(e) (Exercise of
Rights; Purchase Price; Expiration Date of Rights -- Termination of Acquiring
Person's Rights) and any Rights Certificate issued pursuant to Section 6
(Transfer, Split Up, Combination and Exchange of Rights Certificates; Mutilated,
Destroyed, Lost or Stolen Rights Certificates), Section 11 (Adjustment of
Purchase Price; Number and Kind of Shares or Number of Rights) or Section 22
(Issuance of New Rights Certificates) upon transfer, exchange, replacement or
adjustment of any other Rights Certificate referred to in this sentence, shall
contain (to the extent feasible) the following legend:

         The Rights represented by this Rights Certificate are or were
         beneficially owned by a Person who was or became an Acquiring Person
         or an Affiliate or Associate of an Acquiring Person (as such terms are
         defined in the Rights Agreement dated as of July 28, 1999, by and
         between Commercial Metals Company and ChaseMellon Shareholder
         Services, LLC, as Rights Agent). Accordingly, this Rights Certificate
         and the Rights represented hereby may become null and void in the
         circumstances specified in Section 7(e) (Exercise of Rights; Purchase
         Price; Expiration Date of Rights -- Termination of Acquiring Person's
         Rights) of such Agreement.

         Section 5. Countersignature and Registration.

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



                                       10

<PAGE>   16



Certificate, although at the date of the execution of this Rights Agreement any
such person was not such an officer.

                  (b) Registration and Transfer. Following the Distribution
Date and receipt by the Rights Agent of the notice and list of record holders
of Rights referred to in Section 3(a) hereof, the Rights Agent will keep or
cause to be kept, at its office designated as the appropriate place for
surrender of Rights Certificates upon exercise or transfer, books for
registration and transfer of the Rights Certificates issued hereunder. Such
books shall show the names and addresses of the respective holders of the
Rights Certificates, the number of Rights evidenced on its face by each of the
Rights Certificates and the 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) Procedure. Subject to the provisions of Section 4(b)
(Form of Rights Certificates -- Acquiring Person Legend), Section 7(e)
(Exercise of Rights; Purchase Price; Expiration Date of Rights -- Termination
of Acquiring Person's Rights) and Section 14 (Fractional Rights and Fractional
Shares), at any time after the Close of Business on the Distribution Date, and
at or prior to the Close of Business on the Expiration Date, any Rights
Certificate or Certificates may be transferred, split up, combined or exchanged
for another Rights Certificate or Certificates, entitling the registered holder
to purchase a like number of one one-thousandths of a share of Preferred Stock
(or, following a Triggering Event, Common Stock, other securities, cash or
other assets, as the case may be) as the Rights Certificate or Certificates
surrendered then entitle such holder (or former holder in the case of a
transfer) to purchase. Any registered holder desiring to transfer, split up,
combine or exchange any Rights Certificate or Certificates shall make such
request in writing delivered to the Rights Agent, and shall surrender the
Rights Certificate or Certificates to be transferred, split up, combined or
exchanged at the principal office or offices of the Rights Agent designated for
such purpose. Neither the Rights Agent nor the Company shall be obligated to
take any action whatsoever with respect to the transfer of any such surrendered
Rights Certificate until the registered holder shall have completed and signed
the certificate contained in the form of assignment on the reverse side of such
Rights Certificate and shall have provided such additional evidence of the
identity of the Beneficial Owner (or former Beneficial Owner) or Affiliates or
Associates thereof as the Company or the Rights Agent shall reasonably request.
Thereupon, the Rights Agent shall, subject to Section 4(b), Section 7(e) and
Section 14, 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 tax or
governmental charge that may be imposed in connection with any transfer, split
up, combination or exchange of Rights Certificates. The Rights Agent shall have
no duty or obligation to take any action under any Section of this Agreement
which requires the



                                       11

<PAGE>   17



payment by a Rights holder of applicable taxes and charges unless and until the
Rights Agent is satisfied that all such taxes and/or charges have been paid.

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

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

                  (a) Exercise. Subject to Section 7(e) (Exercise of Rights;
Purchase Price; Expiration Date of Rights -- Termination of Acquiring Person's
Rights), the registered holder of any Rights Certificate may exercise the
Rights evidenced thereby (except as otherwise provided herein, including,
without limitation, the restrictions on exercisability set forth in Section
9(c) (Reservation and Availability of Capital Stock -- Registration under the
Act), Section 11(a)(iii) (Adjustment of Purchase Price; Number and Kind of
Shares or Number of Rights -- Certain Adjustments), Section 23(a) (Redemption
and Termination -- Redemption), and Section 24(b) (Exchange -- Effect of
Exchange; Procedure)) in whole or in part at any time after the Distribution
Date upon surrender of the Rights Certificate, with the form of election to
purchase and the certificate on the reverse side thereof duly executed, to the
Rights Agent at the principal office or offices of the Rights Agent designated
for such purpose, together with payment of the aggregate Purchase Price with
respect to the total number of one one-thousandths of a share of Preferred
Stock (or other securities, cash or other assets, as the case may be) as to
which such surrendered Rights are then exercisable and an amount equal to any
applicable transfer tax, at or prior to the earliest of (i) the Final
Expiration Date, (ii) the Redemption Date, or (iii) the expiration of the
Rights pursuant to Section 13(d) (Consolidation, Merger or Sale or Transfer of
Assets or Earning Power -- Exceptions) (the earliest of (i), (ii) and (iii)
being herein referred to as the "Expiration Date"). The payment of the Purchase
Price and the applicable transfer tax, if any (as such amount may be reduced
pursuant to Section 11(a)(iii) (Adjustment of Purchase Price; Number and Kind
of Shares or Number of Rights -- Certain Adjustments)), may be made (x) in
cash, (y) by certified check, cashier's check or money order payable to the
order of the Company, or (z) by delivery of a certificate or certificates (with
appropriate stock powers executed in blank attached thereto) evidencing a
number of shares of Common Stock equal to the then Purchase Price divided by
the closing price (as determined pursuant to Section 11(d) (Adjustment of
Purchase Price; Number and Kind of Shares or Number of Rights -- Current Market
Price)) per share of Common Stock on the Trading Day immediately preceding the
date of such exercise. In the event that the Company is



                                       12

<PAGE>   18



obligated to issue other securities (including Common Stock) of the Company,
pay cash and/or distribute other property pursuant to Section 11(a) the Company
will make all arrangements necessary so that such other securities, cash and/or
other property are available for distribution by the Rights Agent, if and when
appropriate. The Company reserves the right to require prior to the occurrence
of a Triggering Event that upon any exercise of Rights, a number of Rights be
exercised so that only whole shares of Preferred Stock would be issued.

                  (b) Purchase Price. The Purchase Price for each one
one-thousandth of a share of Preferred Stock pursuant to the exercise of a
Right shall initially be $150.00, and shall be subject to adjustment from time
to time as provided in Section 11 (Adjustment of Purchase Price; Number and
Kind of Shares or Number of Rights) and Section 13(a) (Consolidation, Merger or
Sale or Transfer of Assets or Earning Power -- Flip-over Event) and shall be
payable in accordance with paragraph (a) of this Section 7.

                  (c) Rights Agent Actions. Upon receipt of a Rights
Certificate representing exercisable Rights and the compliance by the holder of
such Rights Certificate with paragraph (a) of this Section 7, the Rights Agent
shall, subject to Section 20(k) (Duties of Rights Agent -- Exercise of Rights;
Consultation with Company), thereupon promptly (i) (A) requisition from any
transfer agent of the shares of Preferred Stock (or make available, if the
Rights Agent is the transfer agent for such shares) certificates for the total
number of one one-thousandths of a share of Preferred Stock to be purchased and
the Company hereby irrevocably authorizes its transfer agent to comply with all
such requests, or (B) if the Company shall have elected to deposit the total
number of shares of Preferred Stock issuable upon exercise of the Rights
hereunder with a depositary agent, requisition from the depositary agent
depositary receipts representing such number of one one-thousandths of a share
of Preferred Stock as are to be purchased (in which case certificates for the
shares of Preferred Stock represented by such receipts shall be deposited by
the transfer agent with the depositary agent) and the Company will direct the
depositary agent to comply with such request, (ii) requisition from the Company
the amount of cash, if any, to be paid in lieu of fractional shares in
accordance with Section 14 (Fractional Rights and Fractional Shares), (iii)
after receipt thereof, deliver such certificates or depositary receipts to or
upon the order of the registered holder of such Rights Certificate, registered
in such name or names as may be designated by such holder, and (iv) after
receipt thereof, deliver such cash, if any, to or upon the order of the
registered holder of such Rights Certificate.

                  (d) Partial Exercise. In case the registered holder of any
Rights Certificate shall exercise less than all the Rights evidenced thereby, a
new Rights Certificate evidencing Rights equivalent to the Rights remaining
unexercised shall be issued by the Rights Agent and delivered to, or upon the
order of the registered holder of such Rights Certificate, registered in such
name or names as may be designated by such holder, subject to the provisions of
Section 6 (Transfer, Split Up, Combination and



                                       13

<PAGE>   19



Exchange of Rights Certificates; Mutilated, Destroyed, Lost or Stolen Rights
Certificates) and Section 14 (Fractional Rights and Fractional Shares).

                  (e) Termination of Acquiring Person's Rights. Notwithstanding
anything in this Agreement to the contrary, from and after the first occurrence
of a Flip-in Event, any Rights beneficially owned by (i) an Acquiring Person, or
an Associate or Affiliate of an Acquiring Person, (ii) a transferee of an
Acquiring Person (or of any such Associate or Affiliate) who becomes a
transferee after such Acquiring Person becomes such, or (iii) a transferee of an
Acquiring Person (or of any such Associate or Affiliate) who becomes a
transferee prior to or concurrently with the Acquiring Person becoming such and
receives such Rights pursuant to either (A) a transfer (whether or not for
consideration) from the Acquiring Person to holders of equity interests in such
Acquiring Person or to any Person with whom the Acquiring Person has any
continuing agreement, arrangement or understanding regarding the transferred
Rights or (B) a transfer which is part of a plan, arrangement or understanding
which has as a primary purpose or effect the avoidance of this Section 7(e),
shall become null and void without any further action and no holder of such
Rights shall have any rights whatsoever with respect to such Rights, whether
under any provision of this Agreement or otherwise. The Company shall notify the
Rights Agent when this Section 7(e) applies and shall use all reasonable efforts
to ensure that the provisions of this Section 7(e) and Section 4(b) (Form of
Rights Certificates -- Acquiring Person Legend) are complied with, but neither
the Company nor the Rights Agent shall have any liability to any holder of
Rights Certificates or other Person as a result of its failure to make any
determinations with respect to an Acquiring Person or any of its respective
Affiliates, Associates or transferees hereunder.

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

         Section 8. Cancellation and Destruction of Rights Certificates. All
Rights Certificates surrendered for the purpose of exercise, transfer, split
up, combination or exchange shall, if surrendered to the Company or any of its
agents, be delivered to the Rights Agent for cancellation or in canceled form,
or, if surrendered to the Rights Agent, shall be canceled by it, and no Rights
Certificates shall be issued in lieu thereof except as expressly permitted by
any of the provisions of this Agreement. The Company shall deliver to the
Rights Agent for cancellation and retirement, and the Rights Agent shall so
cancel and retire, any other Rights Certificate purchased or acquired by the
Company



                                       14

<PAGE>   20



otherwise than upon the exercise thereof. The Rights Agent shall deliver all
canceled Rights Certificates to the Company, or shall, at the written request
of the Company, destroy such canceled Rights Certificates, and in such case
shall deliver a certificate of destruction thereof to the Company.

         Section 9. Reservation and Availability of Capital Stock.

                  (a) Reservation of Capital Stock. The Company will use its
best efforts to reserve and keep available out of its authorized and unissued
shares of Preferred Stock (and, following the occurrence of a Triggering Event,
out of its authorized and unissued shares of Common Stock and/or other
securities or out of its authorized and issued shares of Common Stock held in
its treasury), the number of shares of Preferred Stock (and, following the
occurrence of a Triggering Event, Common Stock and/or other securities) that,
as provided in this Agreement, including the rights of the Company under
Section 11(a)(iii) (Adjustment of Purchase Price; Number and Kind of Shares or
Number of Rights -- Certain Adjustments) to otherwise fulfill its obligations,
will be sufficient to permit the exercise in full of all outstanding Rights.

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

                  (c) Registration under the Act. The Company will use its best
efforts to (i) file, as soon as practicable following the earliest date after
the first occurrence of a Flip-in Event on which the consideration to be
delivered by the Company upon exercise of the Rights has been determined in
accordance with Section 11(a)(iii) (Adjustment of Purchase Price; Number and
Kind of Shares or Number of Rights -- Certain Adjustments), or as soon as is
required by law following the Distribution Date, as the case may be, a
registration statement on an appropriate form under the Act with respect to the
securities purchasable upon exercise of the Rights, (ii) cause such
registration statement to become effective as soon as practicable after such
filing, and (iii) cause such registration statement to remain effective (with a
prospectus at all times meeting the requirements of the Act) until the earlier
of (A) the date as of which the Rights are no longer exercisable for such
securities, and (B) the Expiration Date. The Company will also take such action
as may be appropriate under, or to ensure compliance with, the securities or
"blue sky" laws of the various states in connection with the exercisability of
the Rights. The Company may temporarily suspend, for a period of time not to
exceed ninety (90) calendar days after the date set forth in clause (i) of the
first sentence of this Section 9(c), the exercisability of the Rights in order
to prepare and file such registration statement and permit it to become
effective. Upon any such suspension, the Company



                                       15

<PAGE>   21



shall issue a public announcement stating that the exercisability of the Rights
has been temporarily suspended, as well as a public announcement at such time
as the suspension is no longer in effect. In addition, if the Company shall
determine that a registration statement is required following the Distribution
Date, the Company may temporarily suspend the exercisability of the Rights
until such time as a registration statement has been declared effective.
Notwithstanding any provision of this Agreement to the contrary, the Rights
shall not be exercisable in any jurisdiction if the requisite qualification in
such jurisdiction shall not have been obtained, the exercise thereof shall not
be permitted under applicable law or a registration statement shall not have
been declared effective.

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

                  (e) Transfer Taxes and Charges. The Company will pay when due
and payable any and all federal and state transfer taxes and charges which may
be payable in respect of the issuance or delivery of the Rights Certificates
and of any certificates for a number of one one-thousandths of a share of
Preferred Stock (or Common Stock and/or other securities, as the case may be)
upon the exercise of Rights. The Company shall not, however, be required to pay
any transfer tax which may be payable in respect of any transfer or delivery of
Rights Certificates to a Person other than, or the issuance or delivery of a
number of one one-thousandths of a share of Preferred Stock (or Common Stock
and/or other securities, as the case may be) in respect of a name other than,
that of the registered holder of the Rights Certificates evidencing Rights
surrendered for exercise or to issue or deliver any certificates for a number
of one one-thousandths of a share of Preferred Stock (or Common Stock and/or
other securities, as the case may be) in a name other than that of the
registered holder upon the exercise of any Rights until such tax shall have
been paid (any such tax being payable by the holder of such Rights Certificate
at the time of surrender) or until it has been established to the Company's
satisfaction that no such tax is due. The Rights Agent shall have no duty or
obligation to take any action under any Section of this Agreement which
requires the payment by a Rights holder of applicable taxes and governmental
charges unless and until the Rights Agent is satisfied that all such taxes
and/or charges have been paid.

         Section 10. Preferred Stock Record Date. Each Person in whose name any
certificate for a number of one one-thousandths of a share of Preferred Stock
(or Common Stock and/or other securities, as the case may be) is issued upon
the exercise of Rights shall for all purposes be deemed to have become the
holder of record of such fractional shares of Preferred Stock (or Common Stock
and/or other securities, as the case may be) represented thereby on, and such
certificate shall be dated as of, the date



                                       16

<PAGE>   22



upon which the Rights Certificate evidencing such Rights was duly surrendered
and payment of the Purchase Price (and all applicable transfer taxes and other
governmental charges) was made; provided, however, that if the date of such
surrender and payment is a date upon which the Preferred Stock (or Common Stock
and/or other securities, as the case may be) transfer books of the Company are
closed, such Person shall be deemed to have become the record holder of such
shares (fractional or otherwise) on, and such certificate shall be dated, the
next succeeding Business Day on which the Preferred Stock (or Common Stock
and/or other securities, as the case may be) transfer books of the Company are
open. Prior to the exercise of the Rights evidenced thereby, the holder of a
Rights Certificate 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.

         Section 11. Adjustment of Purchase Price; Number and Kind of Shares or
Number of Rights. The Purchase Price, the number and kind of shares covered by
each Right and the number of Rights outstanding are subject to adjustment from
time to time as provided in this Section 11.

                  (a) Certain Adjustments.

                           (i) In the event the Company shall at any time after
         the date of this Agreement (A) declare a dividend on the Preferred
         Stock payable in shares of Preferred Stock, (B) subdivide or split the
         outstanding Preferred Stock, (C) combine the outstanding Preferred
         Stock into a smaller number of shares, or (D) issue any shares of its
         capital stock in a reclassification of the Preferred Stock (including
         any such reclassification in connection with a consolidation or merger
         in which the Company is the continuing or surviving corporation),
         except as otherwise provided in this Section 11(a) and Section 7(e)
         (Exercise of Rights; Purchase Price; Expiration Date of Rights --
         Termination of Acquiring Person's Rights), the Purchase Price in
         effect at the time of the record date for such dividend or of the
         effective date of such subdivision, split, combination or
         reclassification, and the number and kind of shares of Preferred Stock
         or capital stock, as the case may be, issuable on such date, shall be
         proportionately adjusted so that the holder of any Right exercised
         after such time shall be entitled to receive, upon payment of the
         aggregate adjusted Purchase Price then in effect necessary to exercise
         a Right in full, the aggregate number and kind of shares of Preferred
         Stock or capital stock, as the case may be, which, if such Right had
         been exercised immediately prior to such date and at a time when the
         Preferred Stock (or other capital stock, as the case may be) transfer
         books of the Company were open, such holder would have owned upon such
         exercise and been entitled to receive by virtue of such dividend,
         subdivision, split, combination or reclassification. If an event
         occurs which would require an adjustment under



                                       17

<PAGE>   23



         both this Section 11(a)(i) and Section 11(a)(ii) the adjustment
         provided for in this Section 11(a)(i) shall be in addition to, and
         shall be made prior to, any adjustment required pursuant to Section
         11(a)(ii).

                           (ii) In the event:

                                    (A) (1) any Acquiring Person or any
                  Associate or Affiliate of any Acquiring Person, at any time
                  after the date of this Agreement, directly or indirectly,
                  shall merge into the Company or otherwise combine with the
                  Company and the Company shall be the continuing or surviving
                  corporation of such merger or combination and the Common
                  Stock of the Company shall remain outstanding and unchanged,
                  or (2) subject to Section 23 (Redemption and Termination),
                  any Person (other than the Company, any Subsidiary of the
                  Company, any employee benefit plan of the Company or of any
                  Subsidiary of the Company, or any Person or entity organized,
                  appointed or established by the Company for or pursuant to
                  the terms of any such plan), alone or together with its
                  Affiliates and Associates, shall, at any time after the
                  Rights Dividend Declaration Date, become an Acquiring Person,
                  unless the event causing such Person to become an Acquiring
                  Person is a Flip-over Event, or is an acquisition of shares
                  of Common Stock pursuant to a tender offer or an exchange
                  offer for all outstanding shares of Common Stock at a price
                  and on terms determined by the Board, prior to the public
                  announcement of such tender offer or exchange offer, after
                  receiving advice from one or more investment banking firms
                  selected by the Board, to be (a) at a price which is fair to
                  the stockholders of the Company (taking into account all
                  factors which the Board deems 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, other than
                  such Acquiring Person, its Affiliates and its Associates; or

                                    (B) during such time as there is an
                  Acquiring Person, there shall be any reclassification of
                  securities (including any reverse stock split), or
                  recapitalization of the Company, or any merger or
                  consolidation of the Company with any of its Subsidiaries or
                  any other transaction or series of transactions involving the
                  Company or any of its Subsidiaries, other than a transaction
                  or transactions to which the provisions of Section 13(a)
                  (Consolidation, Merger or Sale or Transfer of Assets or
                  Earning Power -- Flip-over Event) apply (whether or not with
                  or into or otherwise involving an Acquiring Person) which has
                  the effect, directly or indirectly, of increasing by more
                  than 1% the proportionate share of the outstanding shares of
                  any class of equity securities of the Company or any of its



                                       18

<PAGE>   24



                  subsidiaries which is directly or indirectly beneficially
                  owned by any Acquiring Person or any Associate or Affiliate of
                  any Acquiring Person,

         then, promptly following the occurrence of any such Flip-in Event
         (whether described in Section 11(a)(ii)(A) or (B)), proper provision
         shall be made so that each holder of a Right (except as provided below
         and in Section 7(e) (Exercise of Rights; Purchase Price; Expiration
         Date of Rights -- Termination of Acquiring Person's Rights)) shall
         thereafter have the right to receive, upon exercise thereof at the
         then current Purchase Price in accordance with the terms of this
         Agreement, in lieu of the number of one one-thousandths of a share of
         Preferred Stock, such number of shares of Common Stock of the Company
         as shall equal the result obtained by (x) multiplying the then current
         Purchase Price by the then number of one one-thousandths of a share of
         Preferred Stock for which a Right was exercisable immediately prior to
         the first occurrence of a Flip-in Event, and (y) dividing that product
         (which, following such first occurrence, shall thereafter be referred
         to as the "Purchase Price" for each Right and for all purposes of this
         Agreement) by 50% of the Current Market Price per share of Common
         Stock on the date of such first occurrence (such number of shares
         being referred to as the "Adjustment Shares").

                           (iii) In the event that the number of shares of
         Common Stock that are authorized by the Company's Certificate of
         Incorporation but not outstanding or reserved for issuance for
         purposes other than upon exercise of the Rights is not sufficient to
         permit the exercise in full of the Rights in accordance with the
         foregoing subparagraph (ii) of this Section 11(a), the Company shall:
         (A) determine the excess of (1) the value of the Adjustment Shares
         issuable upon the exercise of a Right (the "Current Value") over (2)
         the Purchase Price (such excess, the "Spread"), and (B) with respect
         to each Right, subject to Section 7(e)(Exercise of Rights; Purchase
         Price; Expiration Date of Rights -- Termination of Acquiring Person's
         Rights), make adequate provision to substitute for the Adjustment
         Shares, upon payment of the applicable Purchase Price, (1) cash, (2) a
         reduction in the Purchase Price, (3) Common Stock or other equity
         securities of the Company (including, without limitation, shares, or
         units of shares, of preferred stock which the Board has deemed to have
         essentially the same value or economic rights as shares of Common
         Stock (such shares of preferred stock being referred to as "Common
         Stock Equivalents")), (4) debt securities of the Company, (5) other
         assets, or (6) any combination of the foregoing, having an aggregate
         value equal to the Current Value (less the amount of any reduction in
         the Purchase Price), where such aggregate value has been determined by
         the Board based upon the advice of a nationally recognized investment
         banking firm selected by the Board; provided, however, that if the
         Company shall not have made adequate provision to deliver value
         pursuant to clause (B) above within thirty (30) calendar days
         following the first occurrence of a Flip-in Event (the date of such
         Flip-in Event being referred to herein as the



                                       19

<PAGE>   25



         "Flip-in Trigger Date"), then the Company shall be obligated to
         deliver, upon the surrender for exercise of a Right and without
         requiring payment of the Purchase Price, shares of Common Stock (to
         the extent available) and then, if necessary, cash, which shares
         and/or cash have an aggregate value equal to the Spread. If the Board
         shall determine in good faith that it is likely that sufficient
         additional shares of Common Stock or other equity securities could be
         authorized for issuance upon exercise in full of the Rights, the
         thirty (30) calendar day period set forth above may be extended to the
         extent necessary, but not more than ninety (90) calendar days after
         the Flip-in Trigger Date, in order that the Company may seek
         stockholder approval for the authorization of such additional shares
         (such period, the "Substitution Period"). To the extent that the
         Company determines that some action need be taken pursuant to the
         first and/or second sentences of this Section 11(a)(iii), the Company
         (x) shall provide, subject to Section 7(e), that such action shall
         apply uniformly to all outstanding Rights, and (y) may suspend the
         exercisability of the Rights until the expiration of the Substitution
         Period in order to seek any authorization of additional shares and/or
         to decide the appropriate form of distribution to be made pursuant to
         such first sentence and to determine the value thereof. In the event
         of any such suspension, the Company shall issue a public announcement
         stating that the exercisability of the Rights has been temporarily
         suspended, as well as a public announcement at such time as the
         suspension is no longer in effect. For purposes of this Section
         11(a)(iii), the value of the Common Stock shall be the Current Market
         Price per share of the Common Stock on the Flip-in Trigger Date and
         the value of any Common Stock Equivalent shall be deemed to have the
         same value as the Common Stock on such date.

                           (iv) If the rules of the national securities
         exchange, registered as such pursuant to Section 6 of the Exchange
         Act, or of the national securities association, registered as such
         pursuant to Section 15A of the Exchange Act, on which the Common Stock
         is principally traded or quoted would prohibit such exchange or
         association from listing or continuing to list, or from authorizing
         for or continuing quotation and/or transaction reporting through an
         inter-dealer quotation system, the Common Stock or other equity
         securities of the Company if the Rights were to be exercised for
         shares of Common Stock in accordance with subparagraph (ii) of this
         Section 11(a) because such issuance would nullify, restrict or
         disparately reduce the per share voting rights of holders of Common
         Stock, the Company shall: (A) determine the Spread, and (B) with
         respect to each Right, make adequate provision to substitute for the
         Adjustment Shares, upon payment of the applicable Purchase Price, (1)
         cash, (2) a reduction in the Purchase Price, (3) equity securities of
         the Company, including, without limitation, Common Stock Equivalents,
         other than securities which would have the effect of nullifying,
         restricting or disparately reducing the per share voting rights of
         holders of Common Stock, (4) debt securities of the Company, (5) other
         assets, or (6) any combination of the foregoing, having an aggregate
         value equal



                                       20

<PAGE>   26



         to the Current Value, where such aggregate value has been determined
         by the Board based upon the advice of a recognized investment banking
         firm selected by the Board; provided, however, if the Company shall
         not have made adequate provision to deliver value pursuant to clause
         (B) above within thirty (30) calendar days following the Flip-in
         Trigger Date, then the Company shall be obligated to deliver, upon the
         surrender for exercise of a Right and without requiring payment of the
         Purchase Price, cash having an aggregate value equal to the Spread. To
         the extent that the Company determines that some action need be taken
         pursuant to the first sentence of this Section 11(a)(iv), the Company
         (x) shall provide, subject to Section 7(e) (Exercise of Rights;
         Purchase Price; Expiration Date of Rights -- Termination of Acquiring
         Person's Rights), that such action shall apply uniformly to all
         outstanding Rights and (y) may suspend the exercisability of the
         Rights, but not longer than ninety (90) calendar days after the
         Flip-in Trigger Date, in order to decide the appropriate form of
         distribution to be made pursuant to such first sentence and to
         determine the value thereof. In the event of any such suspension, the
         Company shall issue a public announcement stating that the
         exercisability of the Rights has been temporarily suspended, as well
         as a public announcement at such time as the suspension is no longer
         in effect. For purposes of this Section 11(a)(iv), the value of the
         Common Stock shall be the Current Market Price per share of the Common
         Stock on the Flip-in Trigger Date and the value of any Common Stock
         Equivalent shall be deemed to have the same value as the Common Stock
         on such date.

                  (b) Purchase Price Adjustment -- Capital Stock. In case the
Company shall fix a record date for the issuance of rights, options or warrants
to all holders of Preferred Stock entitling them to subscribe for or purchase
(for a period expiring within forty-five (45) calendar days after such record
date) Preferred Stock (or shares having the same rights, privileges and
preferences as the shares of Preferred Stock ("Equivalent Preferred Stock")) or
securities convertible into Preferred Stock or Equivalent Preferred Stock at a
price per share of Preferred Stock or per share of Equivalent Preferred Stock
(or having a conversion price per share, if a security convertible into
Preferred Stock or Equivalent Preferred Stock) less than the Current Market
Price per share of Preferred Stock on such record date, the Purchase Price to
be in effect after such record date shall be determined by multiplying the
Purchase Price in effect immediately prior to such record date by a fraction,
the numerator of which shall be the number of shares of Preferred Stock
outstanding on such record date, plus the number of shares of Preferred Stock
which the aggregate offering price of the total number of shares of Preferred
Stock and/or Equivalent Preferred Stock so to be offered (and/or the aggregate
initial conversion price of the convertible securities so to be offered) would
purchase at such Current Market Price, and the denominator of which shall be
the number of shares of Preferred Stock outstanding on such record date, plus
the number of additional shares of Preferred Stock and/or Equivalent Preferred
Stock to be offered for subscription or purchase (or into which the convertible
securities so to be offered are initially convertible). In case such
subscription price may be paid by delivery of consideration



                                       21

<PAGE>   27



part or all of which may be in a form other than cash, the value of such
consideration shall be as determined in good faith by the Board, whose
determination shall be described in a statement filed with the Rights Agent and
shall be binding on the Rights Agent and the holders of the Rights. Shares of
Preferred Stock owned by or held for the account of the Company shall not be
deemed outstanding for the purpose of any such computation. Such adjustment
shall be made successively whenever such a record date is fixed, and in the
event that such rights or warrants are not so issued, the Purchase Price shall
be adjusted to be the Purchase Price which would then be in effect if such
record date had not been fixed.

                  (c) Purchase Price Adjustment -- Cash, Assets, etc. In case
the Company shall fix a record date for a distribution to all holders of
Preferred Stock (including any such distribution made in connection with a
consolidation or merger in which the Company is the continuing corporation) of
evidences of indebtedness, cash (other than a regular quarterly cash dividend
out of the earnings or retained earnings of the Company), assets (other than a
dividend payable in Preferred Stock, but including any dividend payable in
stock other than Preferred Stock) or subscription rights or warrants (excluding
those referred to in Section 11(b) (Adjustment of Purchase Price; Number and
Kind of Shares or Number of Rights Purchase Price Adjustment -- Capital
Stock)), the Purchase Price to be in effect after such record date shall be
determined by multiplying the Purchase Price in effect immediately prior to
such record date by a fraction, the numerator of which shall be the Current
Market Price per share of Preferred Stock on such record date, less the fair
market value (as determined in good faith by the Board, whose determination
shall be described in a statement filed with the Rights Agent) of the portion
of the cash, assets or evidences of indebtedness so to be distributed or of
such subscription rights or warrants applicable to a share of Preferred Stock
and the denominator of which shall be such Current Market Price per share of
Preferred Stock. Such adjustments shall be made successively whenever such a
record date is fixed, and in the event that such distribution is not so made,
the Purchase Price shall be adjusted to be the Purchase Price which would have
been in effect if such record date had not been fixed.

                  (d) Current Market Price.

                           (i) For the purpose of any computation hereunder,
other than computations made pursuant to Section 11(a)(iii) (Adjustment of
Purchase Price; Number and Kind of Shares or Number of Rights -- Certain
Adjustments) the Current Market Price per share of Common Stock on any date
shall be deemed to be the average of the daily closing prices per share of such
Common Stock for the thirty (30) consecutive Trading Days immediately prior to
and not including such date, and for purposes of computations made pursuant to
Section 11(a)(iii) the Current Market Price per share of Common Stock on any
date shall be deemed to be the average of the daily closing prices per share of
such Common Stock for the ten (10) consecutive Trading Days immediately
following such date; provided, however, that in the event that the Current



                                       22

<PAGE>   28



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

                           (ii) For the purpose of any computation hereunder,
the Current Market Price per share of Preferred Stock shall be determined in the
same manner as set forth above for the Common Stock in clause (i) of this
Section 11(d) (other than the last sentence thereof). If the Current Market
Price per share of Preferred Stock cannot be determined in the manner provided
above or if the Preferred Stock is not publicly held or listed or traded in a
manner described in clause (i) of this Section 11(d), the Current Market Price
per share of Preferred Stock shall be conclusively deemed to be an amount equal
to 1,000 (as such number may be appropriately adjusted for such events as stock
splits, stock dividends and recapitalizations with respect to the Common Stock



                                       23

<PAGE>   29



occurring after the date of this Agreement) multiplied by the Current Market
Price per share of the Common Stock. If neither the Common Stock nor the
Preferred Stock is publicly held or so listed or traded, Current Market Price
per share of the Preferred Stock shall mean the fair value per share as
determined in good faith by the Board, whose determination shall be described
in a statement filed with the Rights Agent and shall be conclusive for all
purposes. For all purposes of this Agreement, the Current Market Price of one
one-thousandth of a share of Preferred Stock shall be equal to the Current
Market Price of one share of Preferred Stock divided by 1,000.

                  (e) Purchase Price Adjustment Threshold. Anything herein to
the contrary notwithstanding, no adjustment in the Purchase Price shall be
required unless such adjustment would require an increase or decrease of at
least one percent (1%) in the Purchase Price; provided however, that any
adjustments which by reason of this Section 11(e) are not required to be made
shall be carried forward and taken into account in any subsequent adjustment.
All calculations under this Section 11 (Adjustment of Purchase Price; Number
and Kind of Shares or Number of Rights) shall be made to the nearest cent or to
the nearest thousandth of a share of Common Stock or other share or
one-millionth of a share of Preferred Stock, as the case may be.
Notwithstanding the first sentence of this Section 11(e), any adjustment
required by this Section 11 shall be made no later than the earlier of (i)
three (3) years from the date of the transaction which mandates such
adjustment, or (ii) the Expiration Date.

                  (f) Equivalent Adjustments. If as a result of an adjustment
made pursuant to Section 11(a)(ii) (Adjustment of Purchase Price; Number and
Kind of Shares or Number of Rights -- Certain Adjustments) or Section 13(a)
(Consolidation Merger or Sale or Transfer of Assets or Earning Power --
Flip-over Event) the holder of any Right thereafter exercised shall become
entitled to receive any shares of capital stock other than Preferred Stock,
thereafter the number of such other shares so receivable upon exercise of any
Right and the Purchase Price thereof shall be subject to adjustment from time
to time in a manner and on terms as nearly equivalent as practicable to the
provisions with respect to the Preferred Stock contained in Sections 11(a),
(b), (c), (e), (g), (h), (i), (j), (k) and (m), and the 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.

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

                  (h) Preferred Stock Anti-Dilution. Unless the Company shall
have exercised its election as provided in Section 11(i) (Adjustment of
Purchase Price; Number and Kind of Shares or Number of Rights -- Adjustment of
Number of Rights), upon each adjustment of the Purchase Price as a result of
the calculations made in



                                       24

<PAGE>   30



Section 11(b) (Adjustment of Purchase Price; Number and Kind of Shares or
Number of Rights -- Purchase Price Adjustment -- Capital Stock) and Section
11(c) (Adjustment of Purchase Price; Number and Kind of Shares or Number of
Rights -- Purchase Price Adjustment -- Cash, Assets, etc.), each Right
outstanding immediately prior to the making of such adjustment shall thereafter
evidence the right to purchase, at the adjusted Purchase Price, that number of
one one-thousandths of a share of Preferred Stock (calculated to the nearest
one-millionth) 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 Purchase Price in effect immediately prior to such
adjustment of the Purchase Price, and (ii) dividing the product so obtained by
the Purchase Price in effect immediately after such adjustment of the Purchase
Price.

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




                                       25

<PAGE>   31



                  (j) Rights Certificates. Irrespective of any adjustment or
change in the Purchase Price or the number of one one-thousandths of a share of
Preferred Stock issuable upon the exercise of the Rights, the Rights
Certificates theretofore and thereafter issued may continue to express the
Purchase Price per one one-thousandth of a share and the number of one
one-thousandths of a share which were expressed in the initial Rights
Certificates issued hereunder.

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

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

                  (m) Tax Adjustments. Anything in this Section 11 (Adjustment
of Purchase Price; Number and Kind of Shares or Number of Rights) to the
contrary notwithstanding, the Company shall be entitled to make such reductions
in the Purchase Price, in addition to those adjustments expressly required by
this Section 11, as and to the extent that in its good faith judgment the Board
shall determine to be advisable in order that any (i) consolidation or
subdivision of the Preferred Stock, (ii) issuance wholly for cash of any shares
of Preferred Stock at less than the Current Market Price, (iii) issuance wholly
for cash of shares of Preferred Stock or securities which by their terms are
convertible into or exchangeable for shares of Preferred Stock, (iv) stock
dividends or (v) issuance of rights, options or warrants referred to in this
Section 11, hereafter made by the Company to holders of its Preferred Stock
shall not be taxable to such stockholders.




                                       26

<PAGE>   32



                  (n) Restriction on Certain Transactions. The Company shall
not, at any time after the earlier of the Stock Acquisition Date or the
Distribution Date, (i) consolidate with any other Person (other than a
Subsidiary of the Company in a transaction which complies with Section 11(o)
(Adjustment of Purchase Price; Number and Kind of Shares or Number of Rights --
Restriction Against Diminishing Benefits of the Rights)), (ii) merge with or
into any other Person (other than a Subsidiary of the Company in a transaction
which complies with Section 11(o)), (iii) enter into a statutory share exchange
or similar transaction with any other Person (other than a Subsidiary of the
Company in a transaction which complies with Section 11(o)), or (iv) sell or
transfer (or permit any Subsidiary to sell or transfer), in one transaction, or
a series of related transactions, assets, cash flow or earning power
aggregating more than 50% of the assets, cash flow or earning power of the
Company and its Subsidiaries (taken as a whole) to any other Person or Persons
(other than the Company and/or any of its Subsidiaries in one or more
transactions each of which complies with Section 11(o)), if (x) at the time of
or immediately after such consolidation, merger, statutory share exchange or
similar transaction, or sale there are any rights, warrants or other
instruments or securities outstanding or agreements in effect which would
substantially diminish or otherwise eliminate the benefits intended to be
afforded by the Rights or (y) prior to, simultaneously with or immediately
after such consolidation, merger, statutory share exchange or similar
transaction, or sale, the stockholders of the Person who constitutes, or would
constitute, the "Principal Party" for purposes of Section 13(a) (Consolidation,
Merger or Sale or Transfer of Assets or Earning Power -- Flip-over Event) shall
have received a distribution of Rights previously owned by such Person or any
of its Affiliates and Associates.

                  (o) Restriction Against Diminishing Benefits of the Rights.
The Company covenants and agrees that, after the earlier of the Stock
Acquisition Date or the Distribution Date, it will not, except as permitted by
Section 23 (Redemption and Termination) or Section 27 (Supplements and
Amendments) take (or permit any Subsidiary to take) any action if at the time
such action is taken it is reasonably foreseeable that such action will
diminish substantially or otherwise eliminate the benefits intended to be
afforded by the Rights.

                  (p) Common Stock Adjustments. Anything in this Agreement to
the contrary notwithstanding, in the event that the Company shall at any time
after the Rights Dividend Declaration Date and prior to the Distribution Date
(i) declare a dividend on the outstanding shares of Common Stock payable in
shares of Common Stock, (ii) subdivide or split the outstanding shares of
Common Stock, or (iii) combine the outstanding shares of Common Stock into a
smaller number of shares, the number of Rights associated with each share of
Common Stock then outstanding, or issued or delivered thereafter but prior to
the Distribution Date, shall be proportionately adjusted so that the number of
Rights thereafter associated with each share of Common Stock following any such
event shall equal the result obtained by multiplying the number of Rights
associated with each share of Common Stock immediately prior to such event by



                                       27

<PAGE>   33



a fraction, the numerator of which shall be the total number of shares of
Common Stock outstanding immediately prior to the occurrence of the event and
the denominator of which shall be the total number of shares of Common Stock
outstanding immediately following the occurrence of such event. The adjustments
provided for in this Section 11(p) shall be made successively whenever such a
dividend is declared or paid or such subdivision, combination or consolidation
is effected.

         Section 12. Certificate of Adjusted Purchase Price or Number of
Shares. Whenever an adjustment is made as provided in Section 11 (Adjustment of
Purchase Price; Number and Kind of Shares or Number of Rights) and Section 13
(Consolidation, Merger or Sale or Transfer of Assets or Earning Power) the
Company shall (a) promptly prepare a certificate setting forth such adjustment
and a brief, reasonably detailed statement of the facts and computations
accounting for such adjustment, (b) promptly file with the Rights Agent, and
with each transfer agent for the Preferred Stock and the Common Stock, a copy
of such certificate, and (c) mail or cause the Rights Agent to mail a brief
summary thereof to each holder of a Rights Certificate (or, if prior to the
Distribution Date, to each holder of a certificate representing shares of
Common Stock) in accordance with Section 26 (Notices). The Rights Agent shall
be fully protected in relying on any such certificate and on any adjustment
therein contained, and shall have no duty with respect to and shall not be
deemed to have knowledge of such adjustment unless and until it shall have
received such Certificate.

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

                  (a) Flip-over Event. In the event that, following the Stock
Acquisition Date, directly or indirectly, (x) the Company shall consolidate
with, or merge with and into, or enter into a statutory stock exchange or
similar transaction with, any other Person (other than a Subsidiary of the
Company in a transaction which complies with Section 11(o)(Adjustment of
Purchase Price; Number and Kind of Shares or Number of Rights -- Restriction
Against Diminishing Benefits of the Rights)), and the Company shall not be the
continuing or surviving corporation of such consolidation, merger or statutory
share exchange or similar transaction, (y) any Person (other than a Subsidiary
of the Company in a transaction which complies with Section 11(o)) shall
consolidate with, or merge with or into, or enter into a statutory stock
exchange or similar transaction with, the Company, and the Company shall be the
continuing or surviving corporation of such consolidation, merger or statutory
share exchange or similar transaction and, in connection with such
consolidation, merger or statutory share exchange or similar transaction, all
or part of the outstanding shares of Common Stock shall be changed into or
exchanged for stock or other securities of any other Person or cash or any
other property, or (z) the Company shall sell or otherwise transfer (or one or
more of its Subsidiaries shall sell or otherwise transfer), in one transaction
or a series of related transactions, assets, cash flow or earning power
aggregating more than 50% of the assets, cash flow or earning power of the
Company and its Subsidiaries (taken as



                                       28

<PAGE>   34



a whole) to any Person or Persons (other than the Company or any Subsidiary of
the Company in one or more transactions each of which complies with Section
11(o)), then, and in each such case (except as may be contemplated by Section
13(d) (Consolidation, Merger or Sale or Transfer of Assets or Earning Power --
Exceptions)), (i) proper provision shall be made so that: each holder of a
Right, except as provided in Section 7(e) (Exercise of Rights; Purchase Price;
Expiration Date of Rights -- Termination of Acquiring Person's Rights) shall
thereafter have the right to receive, upon the exercise thereof at the then
current Purchase Price in accordance with the terms of this Agreement, such
number of validly authorized and issued, fully paid, nonassessable and freely
tradeable shares of Common Stock of the Principal Party, not subject to any
liens, encumbrances, rights of first refusal or other adverse claims, as shall
be equal to the result obtained by (A) multiplying the then current Purchase
Price by the number of one one-thousandths of a share of Preferred Stock for
which a Right is exercisable immediately prior to the first occurrence of a
Flip-over Event (or, if a Flip-in Event has occurred prior to the first
occurrence of a Flip-over Event, multiplying the number of such one
one-thousandths of a share for which a Right was exercisable immediately prior
to the first occurrence of a Flip-in Event by the Purchase Price in effect
immediately prior to such first occurrence), and (B) dividing that product
(which, following the first occurrence of a Flip-over Event, shall be referred
to as the "Purchase Price" for each Right and for all purposes of this
Agreement) by 50% of the Current Market Price per share of the Common Stock of
such Principal Party on the date of consummation of such Flip-over Event; (ii)
such Principal Party shall thereafter be liable for, and shall assume, by
virtue of such Flip-over Event, all the obligations and duties of the Company
pursuant to this Agreement; (iii) the term "Company" shall thereafter be deemed
to refer to such Principal Party, it being specifically intended that the
provisions of Section 11 (Adjustment of Purchase Price; Number and Kind of
Shares or Number of Rights) shall apply only to such Principal Party following
the first occurrence of a Flip-over Event; (iv) such Principal Party shall take
such steps (including, but not limited to, the reservation of a sufficient
number of shares of its Common Stock) in connection with the consummation of
any such transaction as may be necessary to assure that the provisions hereof
shall thereafter be applicable, as nearly as reasonably may be, in relation to
its shares of Common Stock thereafter deliverable upon the exercise of the
Rights; and (v) the provisions of Section 11(a)(ii) (Adjustment of Purchase
Price; Number and Kind of Shares or Number of Rights -- Certain Adjustments)
hereof shall be of no effect following the first occurrence of any Flip-over
Event.

                  (b) Principal Party. "Principal Party" shall mean

                           (i) in the case of any transaction described in
         clause (x) or (y) of the first sentence of Section 13(a)
         (Consolidation, Merger or Sale or Transfer of Assets or Earning Power
         -- Flip-over Event), the Person that is the issuer of any securities
         into which shares of Common Stock of the Company are converted in such
         consolidation, merger or statutory share exchange or similar
         transaction,



                                       29

<PAGE>   35



         and if no securities are so issued, the Person that is the other party
         to such consolidation, merger or statutory share exchange or similar
         transaction, and

                           (ii) in the case of any transaction described in
         clause (z) of the first sentence of Section 13(a) (Consolidation,
         Merger or Sale or Transfer of Assets or Earning Power -- Flip-over
         Event), the Person that is the party receiving the greatest portion of
         the assets, cash flow or earning power transferred pursuant to such
         transaction or transactions;

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

                  (c) Supplemental Agreement. The Company shall not consummate
a Flip-over Event unless the Principal Party shall have a sufficient number of
authorized shares of its Common Stock which have not been issued or reserved
for issuance to permit the exercise in full of the Rights in accordance with
this Section 13 (Consolidation, Merger or Sale or Transfer of Assets or Earning
Power) and unless prior thereto the Company and such Principal Party shall have
executed and delivered to the Rights Agent a supplemental agreement providing
for the terms set forth in paragraphs (a) and (b) of this Section 13 and
further providing that, as soon as practicable after the date of such Flip-over
Event, the Principal Party will

                           (i) prepare and file a registration statement under
         the Act, with respect to the Rights and the securities purchasable
         upon exercise of the Rights on an appropriate form, and will use its
         best efforts to cause such registration statement to (A) become
         effective as soon as practicable after such filing and (B) remain
         effective (with a prospectus at all times meeting the requirements of
         the Act) until the Expiration Date and take all such other action as
         may be necessary to enable the Principal Party to issue the securities
         purchasable upon exercise of the Rights, including but not limited to
         the registration or qualification of such securities under all
         requisite securities laws or jurisdictions of the various states and
         the listing of such securities on such exchange and trading markets as
         may be necessary or appropriate; and

                           (ii) will deliver to holders of the Rights
         historical financial statements for the Principal Party and each of
         its Affiliates which comply in all



                                       30

<PAGE>   36



         respects with the requirements for registration on Form 10 under the
         Exchange Act.

The provisions of this Section 13 (Consolidation, Merger or Sale or Transfer of
Assets or Earning Power) shall similarly apply to successive consolidations,
mergers or statutory share exchanges or similar transactions or sales or other
transfers. In the event that a Flip-over Event shall occur at any time after
the occurrence of a Flip-in Event, the Rights which have not theretofore been
exercised shall thereafter become exercisable in the manner described in
Section 13(a) (Consolidation, Merger or Sale or Transfer of Assets or Earning
Power -- Flip-over Event).

                  (d) Exceptions. Notwithstanding anything in this Agreement to
the contrary, Section 13 (Consolidation, Merger or Sale or Transfer of Assets
or Earning Power) shall not be applicable to a transaction described in
subparagraphs (x) and (y) of Section 13(a) (Consolidation, Merger or Sale or
Transfer of Assets or Earning Power -- Flip-over Event) if (i) such transaction
is consummated with a Person or Persons who acquired shares of Common Stock
pursuant to a tender offer or exchange offer for all outstanding shares of
Common Stock which complies with the provisions of Section 11(a)(ii)(A)
(Adjustment of Purchase Price; Number and Kind of Shares or Number of Rights --
Certain Adjustments) (or a wholly-owned subsidiary of any such Person or
Persons), (ii) the price per share of Common Stock offered in such transaction
is not less than the price per share of Common Stock paid to all holders of
shares of Common Stock whose shares were purchased pursuant to such tender or
exchange offer and (iii) the form of consideration being offered in such
transaction is the same as the form of consideration paid to all holders of
shares of Common Stock whose shares were purchased pursuant to such tender
offer or exchange offer. Upon consummation of any such transaction contemplated
by this Section 13(d), all Rights hereunder shall expire.

         Section 14. Fractional Rights and Fractional Shares.

                  (a) Fractional Rights. The Company shall not be required to
issue fractions of Rights, except prior to the Distribution Date as provided in
Section 11(p) (Adjustment of Purchase Price; Number and Kind of Shares or
Number of Rights -- Common Stock Adjustments), or to distribute Rights
Certificates which evidence fractional Rights. In lieu of such fractional
Rights, there shall be paid to the registered holders of the Rights
Certificates with regard to which such fractional Rights would otherwise be
issuable, an amount in cash equal to the same fraction of the current market
value of a whole Right. For purposes of this Section 14(a), the current market
value of a whole Right shall be the closing price of the Rights for the Trading
Day immediately prior to the date on which such fractional Rights would have
been otherwise issuable. The closing price of the Rights for any Trading Day
shall be the last sale price, regular way, or, in case no such sale takes place
on such Trading Day, the average of the closing bid and asked prices, regular
way, in either case as reported in the principal consolidated transaction
reporting system with respect to securities listed or admitted



                                       31

<PAGE>   37



to trading on the New York Stock Exchange or, if the Rights are not listed or
admitted to trading on the New York Stock Exchange, as reported in the
principal consolidated transaction reporting system with respect to securities
listed on the principal national securities exchange on which the Rights are
listed or admitted to trading, or if the Rights are not listed or admitted to
trading on any national securities exchange, the last quoted price or, if not
so quoted, the average of the high bid and low asked prices in the
over-the-counter market as reported by the National Association of Securities
Dealers, Inc. Automated Quotation System or such other system then in use or,
if on any such date the Rights are not quoted by any such organization, the
average of the closing bid and asked prices as furnished by a professional
market maker making a market in the Rights selected by the Board. If on any
such date no such market maker is making a market in the Rights, the fair value
of the Rights on such date as determined in good faith by the Board shall be
used. The Company shall timely provide sufficient depository receipts or cash
necessary to satisfy the Company's obligations with respect to fractional
shares.

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

                  (c) Fractional Shares of Common Stock. Following the
occurrence of a Triggering Event, the Company shall not be required to issue
fractions of shares of Common Stock upon exercise of the Rights or to
distribute certificates which evidence fractional shares of Common Stock. In
lieu of fractional shares of Common Stock, the Company may pay to the
registered holders of Rights Certificates at the time such Rights are exercised
as herein provided an amount in cash equal to the same fraction of the



                                       32

<PAGE>   38



current market value of one (1) share of Common Stock. For purposes of this
Section 14(c), the current market value of one share of Common Stock shall be
the closing price of one share of Common Stock (as determined pursuant to
Section 11(d)(i) (Adjustment of Purchase Price; Number and Kind of Shares or
Number of Rights -- Current Market Price) for the Trading Day immediately prior
to the date of such exercise.

                  (d) Waiver of Fractional Rights and Shares. The holder of a
Right by the acceptance of the Right expressly waives his or her right to
receive any fractional Rights or any fractional shares upon exercise of a
Right, except as permitted by this Section 14 (Fractional Rights and Fractional
Shares). The Rights Agent shall have no duty or obligation with respect to this
Section 14 and any other Section of this Agreement relating to fractional
shares unless and until it has received specific instructions (and sufficient
cash, if required) from the Company with respect to the Rights Agent's duties
and obligations under such Sections.

         Section 15. Rights of Action. All rights of action in respect of this
Agreement are vested in the respective registered holders of the Rights
Certificates (and, prior to the Distribution Date, the registered holders of
the Common Stock); and any registered holder of any Rights Certificate (or,
prior to the Distribution Date, of the Common Stock), without the consent of
the Rights Agent or of the holder of any other Rights Certificate (or, prior to
the Distribution Date, of the Common Stock), may, in his 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 manner provided in such Rights Certificate and in this
Agreement. Without limiting the foregoing or any remedies available to the
holders of Rights, it is specifically acknowledged that the holders of Rights
would not have an adequate remedy at law for any breach of this Agreement and
shall be entitled to specific performance of the obligations hereunder and
injunctive relief against actual or threatened violations of the obligations
hereunder of any Person subject to this Agreement.

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

                  (a) prior to the Distribution Date, the Rights will be
transferable only in connection with the transfer of Common Stock;

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



                                       33

<PAGE>   39



                  (c) subject to Section 6(a) (Transfer, Split Up, Combination
and Exchange of Rights Certificates; Mutilated, Destroyed, Lost or Stolen
Rights Certificates -- Procedure) and Section 7(f) (Exercise of Rights;
Purchase Price; Expiration Date of Rights -- Surrender of Rights Certificates;
Identity of Beneficial Owner), the Company and the Rights Agent may deem and
treat the person in whose name a Rights Certificate (or, prior to the
Distribution Date, the associated Common Stock certificate) is registered as
the absolute owner thereof and of the Rights evidenced thereby (notwithstanding
any notations of ownership or writing on the Rights Certificates or the
associated Common Stock certificate made by anyone other than the Company or
the Rights Agent) for all purposes whatsoever, and neither the Company nor the
Rights Agent, subject to the last sentence of Section 7(e) (Exercise of Rights;
Purchase Price; Expiration Date of Rights -- Termination of Acquiring Person's
Rights), shall be required to be affected by any notice to the contrary; and

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

         Section 17. Rights Certificate Holder Not Deemed a Stockholder. No
holder, as such, of any Rights Certificate shall be entitled to vote, receive
dividends or be deemed for any purpose the holder of the number of one
one-thousandths of a share of Preferred Stock or any other securities of the
Company which may at any time be issuable on the exercise of the Rights
represented thereby, nor shall anything contained herein or in any 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 (Notice of Certain Events)), 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) Compensation. The Company shall 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



                                       34

<PAGE>   40



disbursements incurred in the preparation, delivery, amendment, administration
and execution of this Agreement and the exercise and performance of its duties
hereunder. The Company agrees to indemnify the Rights Agent for, and to hold it
harmless against, any loss, liability, damage, judgment, fine, penalty, claim,
demand, settlement, loss or expense (including, without limitation, the
reasonable fees and expenses of counsel) incurred without gross negligence, bad
faith or willful misconduct (as determined by a court of competent
jurisdiction) on the part of the Rights Agent, for any action taken, suffered
or omitted to be done by the Rights Agent in connection with the acceptance,
administration, exercise and performance of its duties under this Agreement,
including the costs and expenses of defending against or investigating any
claim of liability in the premises. The indemnity provided for herein shall
survive the termination of this Agreement and the exercise of expiration of the
Rights. The costs and expenses incurred in enforcing this right of
indemnification shall be paid by the Company.

                  (b) Reliance. The Rights Agent shall be protected and shall
incur no liability for or in respect of any action taken, suffered or omitted
to be taken by it in connection with its administration of this Agreement in
reliance upon any Rights Certificate or certificate for Common Stock or for
other securities of the Company, instrument of assignment or transfer, power of
attorney, endorsement, affidavit, letter, notice, direction, consent,
certificate, statement or other paper or document believed by it to be genuine
and to be signed, executed and, where necessary, verified or acknowledged, by
the proper Person or Persons, or otherwise upon the advice of counsel as set
forth in Section 20 (Duties of Rights Agent).

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

                  (a) Successor. Any Person into which the Rights Agent or any
successor Rights Agent may be merged or with which it may be consolidated, or
any Person resulting from any merger or consolidation to which the Rights Agent
or any successor Rights Agent shall be a party, or any Person succeeding to the
business of the Rights Agent or any successor Rights Agent, shall be the
successor to the Rights Agent under this Agreement without the execution or
filing of any paper or any further act on the part of any of the parties
hereto; provided, however, that such Person would be eligible for appointment
as a successor Rights Agent under the provisions of Section 21 (Change of
Rights Agent). In case at the time such successor Rights Agent shall succeed to
the agency created by this Agreement, any of the Rights Certificates shall have
been countersigned but not delivered, any such successor Rights Agent may adopt
the countersignature of a predecessor Rights Agent and deliver such Rights
Certificates so countersigned; and in case at that time any of the Rights
Certificates shall not have been countersigned, any successor Rights Agent may
countersign such Rights Certificates either in the name of the predecessor or
in the name of the successor Rights Agent; and in all such cases such Rights
Certificates shall have the full force provided in the Rights Certificates and
in this Agreement.




                                       35

<PAGE>   41



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

         Section 20. Duties of Rights Agent. The Rights Agent undertakes the
duties and obligations, and only the duties and obligations, expressly imposed
by this Agreement (and no implied duties and obligations) 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) Legal Counsel. The Rights Agent may consult with legal
counsel (who may be legal counsel for the Company), and the advice or opinion
of such counsel shall be full and complete authorization and protection to the
Rights Agent with respect to, and the Rights Agent shall incur no liability for
or in respect of, any action taken, suffered or omitted to be taken by it in
good faith and in accordance with such opinion.

                  (b) Certification by the Company. Whenever in the performance
of its duties under this Agreement the Rights Agent shall deem it necessary or
desirable that any fact or matter (including, without limitation, the identity
of any Acquiring Person and the determination of Current Market Price) be
proved or established by the Company prior to taking or suffering any action
hereunder, such fact or matter (unless other evidence in respect thereof be
herein specifically prescribed) may be deemed to be conclusively proved and
established by a certificate signed by the President, any Vice President, the
Secretary, any Assistant Secretary, the Treasurer or any Assistant Treasurer of
the Company and delivered to the Rights Agent; and such certificate shall be
full and complete authorization and protection to the Rights Agent for any
action taken, suffered, or omitted in good faith by it under the provisions of
this Agreement in reliance upon such certificate.

                  (c) Liability for Negligence, etc. The Rights Agent shall be
liable hereunder only for its own gross negligence, bad faith or willful
misconduct (as determined by a court of competent jurisdiction). In no case
will the Rights Agent be liable for special, indirect, punitive, incidental, or
consequential loss or damages of any kind whatsoever (including without
limitation lost profits), even if the Rights Agent has been advised of the
possibility of such damages. Any liability of the Rights Agent under this
Rights Agreement shall be limited to the amount of fees paid by the Company to
the Rights Agent.




                                       36

<PAGE>   42



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

                  (e) Agreement; Adjustments. The Rights Agent shall not be
under any liability or responsibility in respect of the validity of this
Agreement or the execution and delivery hereof (except the due execution hereof
by the Rights Agent) or in respect of the validity or execution of any Rights
Certificate (except its countersignature); nor shall it be responsible for any
breach by the Company of any covenant or condition contained in this Agreement
or in any Rights Certificate; nor shall it be responsible for any adjustment
required under the provisions of Section 11 (Adjustment of Purchase Price;
Number and Kind of Shares or Number of Rights) or Section 13 (Consolidation,
Merger or Sale or Transfer of Assets or Earning Power) or responsible for the
manner, method or amount of any such adjustment or the ascertaining of the
existence of facts that would require any such adjustment (except with respect
to the exercise of Rights evidenced by Rights Certificates after actual notice
of any such adjustment); nor shall it by any act hereunder be deemed to make
any representation or warranty as to the authorization or reservation of any
shares of Common Stock or Preferred Stock to be issued pursuant to this
Agreement or any Rights Certificate or as to whether any shares of Common Stock
or Preferred Stock will, when so issued, be validly authorized and issued,
fully paid and nonassessable.

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

                  (g) Instructions. The Rights Agent is hereby authorized and
directed to accept instructions with respect to the performance of its duties
hereunder from the President, any Vice President, the Secretary, any Assistant
Secretary, the Treasurer or any Assistant Treasurer of the Company and to apply
to such persons for advice or instructions in connection with its duties. Such
instructions shall be full authorization and protection to the Rights Agent,
and the Rights Agent shall incur no liability for or in respect of any action
taken, suffered or omitted to be taken by it in good faith in accordance with
the instructions of any such person. The Rights Agent shall be fully authorized
and protected in relying upon the most recent advice or instructions received
from any such officer.

                  (h) Dealing in Rights. The Rights Agent and any stockholder,
affiliate, 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



                                       37

<PAGE>   43



transaction in which the Company may be interested, or contract with or lend
money to the Company or otherwise act as fully and freely as though it were not
Rights Agent under this Agreement. Nothing herein shall preclude the Rights
Agent or any such shareholder, affiliate, director, officer, or employee from
acting in any other capacity for the Company or for any other Person.

                  (i) Agents; Reasonable Care. 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 or any other Person resulting from any such act, default, neglect or
misconduct in the selection and continued employment thereof absent gross
negligence or bad faith as determined by a court of competent jurisdiction.

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

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

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



                                       38

<PAGE>   44



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 of the United States, in good standing, which is
authorized under such laws to exercise stock transfer or corporate trust
powers, is subject to supervision or examination by federal or state authority
and 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 of a corporation described
in clause (a) of this sentence. After appointment, the successor Rights Agent
shall be vested with the same powers, rights, duties and responsibilities as if
it had been originally named as Rights Agent without further act or deed; but
the predecessor Rights Agent shall deliver and transfer to the successor Rights
Agent any property at the time held by it hereunder, and execute and deliver
any further assurance, conveyance, act or deed necessary for the purpose. Not
later than the effective date of any such appointment, the Company shall file
notice thereof in writing with the predecessor Rights Agent and each transfer
agent of the Common Stock and the Preferred Stock, and mail a notice thereof in
writing to the registered holders of the Rights Certificates. Failure to give
any notice provided for in this Section 21 (Change of Rights Agent), or any
defect therein, shall not affect the legality or validity of the resignation or
removal of the Rights Agent or the appointment of the successor Rights Agent,
as the case may be.

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




                                       39

<PAGE>   45



         Section 23. Redemption and Termination.

                  (a) Redemption. The Company may, at its option, at any time
prior to the earlier of (i) the Stock Acquisition Date, or (ii) the Final
Expiration Date, redeem (the date of such redemption being referred to herein
as the "Redemption Date") all but not less than all of the then outstanding
Rights at a redemption price of $0.001 per Right, as such amount may be
appropriately adjusted to reflect any stock split, stock dividend or similar
transaction occurring after the date hereof (such redemption price being
hereinafter referred to as the "Redemption Price"). The redemption of the
Rights by the Company may be made effective at such time, on such basis and
with such conditions as the Board in its sole discretion, may establish. The
Company may, at its option, pay the Redemption Price in cash, shares of Common
Stock (based on the Current Market Price of the Common Stock at the time of
redemption) or any other form of consideration deemed appropriate by Board.

                  (b) Effect of Redemption; Procedure. Immediately upon the
action of the Company ordering the redemption of the Rights and without any
further action and without any notice, the right to exercise the Rights will
terminate and the only right thereafter of the holders of Rights shall be to
receive the Redemption Price for each Right so held. Promptly after the
Redemption Date, the Company shall (i) give notice of such redemption to the
Rights Agent, (ii) give public notice of such redemption; provided, however,
that the failure to give, or any defect in, such notice shall not affect the
validity of such redemption, and (iii) mail notice of such redemption to the
holders of the then outstanding Rights at their last addresses as they appear
upon the registry books of the Rights Agent or, prior to the Distribution Date,
on the registry books of the Transfer Agent for the Common Stock. Any notice
which is mailed in the manner herein provided shall be deemed given, whether or
not the holder receives the notice. Each such notice of redemption will state
the method by which the payment of the Redemption Price will be made. Amounts
payable shall be rounded down to the nearest $0.01.

         Section 24. Exchange.

                  (a) Right to Exchange. The Company may, at its option, at any
time and from time to time after the first occurrence of a Flip-in Event,
exchange all or part of the then outstanding and exercisable Rights (other than
Rights which have become void as provided in Section 7(e) (Exercise of Rights;
Purchase Price; Expiration Date of Rights -- Termination of Acquiring Person's
Rights)) for the Exchange Number of shares of Common Stock, shares or units of
Preferred Stock which the Board has determined to be a Common Stock Equivalent,
units of other property or any combination thereof as determined by the Board.
Notwithstanding the foregoing, the Company shall not be empowered to effect
such exchange at any time after any Person (other than the Company, any
Subsidiary of the Company, any employee benefit plan of the Company or any such
Subsidiary or any entity holding shares of Common Stock for or pursuant



                                       40

<PAGE>   46



to any such plan), together with all Affiliates and Associates of such Person,
becomes the Beneficial Owner of 50% or more of the shares of Common Stock then
outstanding. The exchange of the Rights by the Company may be made effective at
such time, on such basis and with such conditions as the Board in its sole
discretion may establish.

                  (b) Effect of Exchange; Procedure. Immediately upon the
action of the Company ordering the exchange of any Rights pursuant to paragraph
(a) of this Section 24, evidence of which shall have been filed with the Rights
Agent and without any further action and without any notice, the right to
exercise such Rights will terminate and the only right thereafter of a holder
of such Rights shall be to receive that number of shares of Common Stock,
Common Stock Equivalents or units of other property equal to the number of such
Rights held by such holder multiplied by the Exchange Number. Promptly after
the action of the Company ordering the exchange of the Rights, the Company
shall (i) file evidence of such action with the Rights Agent, (ii) give public
notice of such exchange; provided, however, that the failure to give, or any
defect in, such notice shall not affect the validity of such exchange, and
(iii) mail notice of such exchange to the holders of such Rights at their last
addresses as they appear upon the registry books of the Rights Agent. Any
notice which is mailed in the manner herein provided shall be deemed given,
whether or not the holder receives the notice. Each such notice of exchange
will state the method by which the exchange will be effected and, in the event
of any partial exchange, the number of Rights which will be exchanged. Any
partial exchange shall be effected pro rata based on the number of Rights
(other than Rights which have become void as provided in Section 7(e) (Exercise
of Rights; Purchase Price; Expiration Date of Rights -- Termination of
Acquiring Person's Rights)) held by each holder of Rights.

                  (c) Common Stock Equivalents. In any exchange pursuant to
this Section 24, the Company, at its option, may substitute Common Stock
Equivalents for Common Stock exchangeable for Rights, at the initial rate of
one share of Common Stock Equivalent for each share of Common Stock, as
appropriately adjusted to reflect adjustments in the voting rights of the
Common Stock pursuant to the Company's Certificate of Incorporation, so that
the share of Common Stock Equivalent delivered in lieu of each share of Common
Stock shall have the same voting rights as one share of Common Stock.

                  (d) Insufficient Common Stock. In the event that the number
of shares of Common Stock which are authorized by the Company's Certificate of
Incorporation but not outstanding or reserved for issuance for purposes other
than upon exercise of the Rights is not sufficient to permit any exchange of
Rights in accordance with this Section 24, the Company may, at its option, take
all such action as may be necessary to authorize additional shares of Common
Stock for issuance upon such exchange.

                  (e) Fractional Shares. Upon the action of the Company ordering
the exchange of any Rights pursuant to paragraph (a) of this Section 24, the
Company shall



                                       41

<PAGE>   47



not be required to issue fractions of shares or to distribute certificates
which evidence fractional shares. In lieu of such fractional shares, the
Company may pay to the registered holders of the Rights Certificates with
regard to which such fractional shares would otherwise be issuable an amount in
cash equal to the same fraction of the current market value of one share of
Common Stock. For purposes of this Section 24, the current market value of one
share of Common Stock shall be the closing price of one share of Common Stock
(as determined pursuant to Section 11(d)(i) (Adjustment of Purchase Price;
Number and Kind of Shares or Number of Rights -- Current Market Price)) for the
Trading Day immediately prior to the date of exchange pursuant to this Section
24, and the value of any Common Stock Equivalent shall be deemed to have the
same current market value as the Common Stock on such date.

         Section 25. Notice of Certain Events.

                  (a) Preferred Stock Transactions, etc. In case the Company
shall propose, at any time after the Distribution Date, (i) to pay any dividend
payable in stock of any class to the holders of Preferred Stock or to make any
other distribution to the holders of Preferred Stock (other than a regular
quarterly cash dividend out of earnings or retained earnings of the Company);
(ii) to offer to the holders of Preferred Stock rights or warrants to subscribe
for or to purchase any additional shares of Preferred Stock or shares of stock
of any class or any other securities, rights or options; (iii) to effect any
reclassification of its Preferred Stock (other than a reclassification
involving only the subdivision of outstanding shares of Preferred Stock); (iv)
to effect any consolidation with, merger into or with, or statutory share
exchange or similar transaction with, any other Person (other than a Subsidiary
of the Company in a transaction which complies with Section 11(o) (Adjustment
of Purchase Price; Number and Kind of Shares or Number of Rights -- Restriction
against Diminishing Benefits of the Rights)), or to effect any sale or other
transfer (or to permit one or more of its Subsidiaries to effect any sale or
other transfer), in one transaction or a series of related transactions, of
more than 50% of the assets, cash flow or earning power of the Company and its
Subsidiaries (taken as a whole) to any other Person or Persons (other than the
Company and/or any of its Subsidiaries in one or more transactions each of
which complies with Section 11(o)); (v) to effect the liquidation, dissolution
or winding up of the Company, or (vi) to declare or pay any dividend on the
shares of Common Stock payable in Common Stock or to effect a subdivision,
combination or consolidation of the shares of Common Stock (by reclassification
or otherwise than by payment of dividends in Common Stock), then, in each such
case, the Company shall give to each holder of a Rights Certificate, to the
extent feasible and in accordance with Section 26 (Notices), a notice of such
proposed action, which shall specify the record date for the purposes of such
stock dividend, distribution of rights or warrants, or the date on which such
reclassification, consolidation, merger, statutory share exchange or similar
transaction, sale, transfer, liquidation, dissolution, or winding up is to take
place and the date of participation therein by the holders of the shares of
Preferred Stock, if any such date is to be fixed, and such notice shall be so
given in the case of any action covered by clause



                                       42

<PAGE>   48



(i) or (ii) above at least twenty (20) calendar days prior to the record date
for determining holders of the shares of Preferred Stock for purposes of such
action, and in the case of any such other action, at least twenty (20) calendar
days prior to the date of the taking of such proposed action or the date of
participation therein by the holders of the shares of Preferred Stock,
whichever shall be the earlier.

                  (b) Other Transactions. In case any of the events set forth
in Section 11(a)(ii) (Adjustment of Purchase Price; Number and Kind of Shares
or Number of Rights -- Certain Adjustments) shall occur, then, in any such
case, (i) the Company shall as soon as practicable thereafter give to each
holder of a Rights Certificate, to the extent feasible and in accordance with
Section 26 (Notices), a notice of the occurrence of such event, which shall
specify the event and the consequences of the event to holders of Rights under
Section 11(a)(ii), and (ii) all references in the preceding paragraph to
Preferred Stock shall be deemed thereafter to refer to Common Stock and/or, if
appropriate, other securities.

         Section 26. Notices. Notices or demands authorized by this Agreement
to be given or made by the Rights Agent or by the holder of any Rights
Certificate to or on the Company shall be sufficiently given or made if sent by
telecopier (with receipt confirmed) or by first-class mail, postage prepaid,
addressed (until another address is filed in writing with the Rights Agent) as
follows:

                         Commercial Metals Company
                         7800 Stemmons Freeway
                         10th Floor
                         Dallas, Texas   75247
                         Attention: Chief Executive Officer
                         Telecopier: 214.689-5886


Subject to the provisions of Section 21 (Change of Rights Agent), any notice or
demand authorized by this Agreement to be given or made by the Company or by
the holder of any Rights Certificate to or on the Rights Agent shall be
sufficiently given or made if sent by telecopier (with receipt confirmed) or by
first-class mail, postage prepaid, addressed (until another address is filed in
writing with the Company) as follows:

                         ChaseMellon Shareholder Services, LLC
                         2323 Bryan Street
                         Suite 2300
                         Dallas, Texas 75201
                         Attention:   Margaret W. Grubb
                         Telecopier:   214.965-2233





                                       43

<PAGE>   49



Notices or demands authorized by this Agreement to be given or made by the
Company or the Rights Agent to the holder of any Rights Certificate (or, if
prior to the Distribution Date, to the holder of certificates representing
shares of Common Stock) shall be sufficiently given or 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 so long as the Rights are
redeemable, and subject to the penultimate sentence of this Section 27, the
Company may, and the Rights Agent shall, if the Company so directs, supplement
or amend any provision of this Agreement without the approval of any holders of
certificates representing shares of Common Stock or, on and after the
Distribution Date, any holders of Rights Certificates. At any time when the
Rights are no longer redeemable and subject to the penultimate sentence of this
Section 27, the Company and the Rights Agent shall, if the Company so directs,
supplement or amend this Agreement without the approval of any holders of
Rights Certificates; provided, however, that no such supplement or amendment
may (i) adversely affect the interests of the holders of Rights Certificates,
or, prior to the Distribution Date, the holders of the Common Stock (other than
an Acquiring Person or an Affiliate or Associate of any such Person), (ii)
cause this Agreement again to become amendable other than in accordance with
this sentence, or (iii) cause the Rights again to become redeemable. Upon the
delivery of a certificate from an appropriate officer of the Company and, if
requested an opinion of counsel, 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 Agreement to the contrary, the Rights Agent may, but shall not be
obligated to, enter into any supplement or amendment that affects the Rights
Agent's own rights, duties, obligations, or immunities under this Agreement.
Notwithstanding anything contained in this Agreement to the contrary, no
supplement or amendment shall be made which changes the Redemption Price, the
Final Expiration Date, the Purchase Price, or the number of one one-thousandths
of a share of Preferred Stock for which a right is exercisable; provided,
however, that at any time prior to (i) a Stock Acquisition Date or (ii) the
date that a tender or exchange offer by any Person (other than the Company, any
Subsidiary of the Company, any employee benefit plan of the Company or any
Subsidiary of the Company, or any Person or entity organized, appointed or
established by the Company for or pursuant to the terms of any such plan) is
first published or sent or given within the meaning of Rule 14d-2(a) of the
General Rules and Regulations under the Exchange Act, if upon consummation
thereof, such Person would be the Beneficial Owner of 15% or more of the shares
of Common Stock then outstanding, the Board may amend this Agreement to
increase the Purchase Price or extend the Final Expiration Date. Prior to the
Distribution Date, the interests of the holders of Rights shall be deemed
coincident with the interests of the holders of Common Stock.




                                       44

<PAGE>   50



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

         Section 29. Determinations and Actions by the Board of Directors, etc.
For all purposes of this Agreement, any calculation of the number of shares of
Common Stock outstanding at any particular time, including for purposes of
determining the particular percentage of such outstanding shares of Common
Stock of which any Person is the Beneficial Owner, shall be made in accordance
with the last sentence of Rule 13d-3(d)(1)(i) of the General Rules and
Regulations under the Exchange Act. The Board 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 (including a determination to redeem or
not redeem the Rights or to amend the Agreement). All such actions,
calculations, interpretations and determinations (including, for purposes of
clause (y) below, all omissions with respect to the foregoing) which are done
or made by the Board, in good faith (the Rights Agent may assume the Board
acted in good faith), shall (x) be final, conclusive and binding on the
Company, the Rights Agent, the holders of the Rights and all other parties, and
(y) not subject the Board to any liability to the holders of the Rights.

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

         Section 31. Severability. If any term, provision, covenant or
restriction of this Agreement is held by a court of competent jurisdiction or
other authority to be invalid, void or unenforceable, the remainder of the
terms, provisions, covenants and restrictions of this Agreement shall remain in
full force and effect and shall in no way be affected, impaired or invalidated;
provided, however, that notwithstanding anything in this Agreement to the
contrary, if any such term, provision, covenant or restriction is held by such
court or authority to be invalid, void or unenforceable and the Board
determines in its good faith judgment that severing the invalid language from
this Agreement would adversely affect the purpose or effect of this Agreement,
the right of redemption set forth in Section 23 (Redemption and Termination)
shall be reinstated and shall not expire until the Close of Business on the
tenth Business Day following the date of such determination by the Board.




                                       45

<PAGE>   51



         Section 32. Governing Law. This Agreement, each Right and each Rights
Certificate issued hereunder shall be deemed to be a contract made under the
laws of the State of Delaware and for all purposes shall be governed by and
construed in accordance with the laws of such State applicable to contracts
made and to be performed entirely within such State, except that all provisions
regarding the rights, duties, and obligations of the Rights Agent shall be
governed by and construed in accordance with the law of the State of New York
applicable to contracts made and to be performed entirely within such state.

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

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

                                    * * * * *





                                       46

<PAGE>   52



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


                                        COMMERCIAL METALS COMPANY


                                        By:   /s/ Stanley A. Rabin
                                              ----------------------------------
                                              Stanley A. Rabin, President and
                                              Chief Executive Officer



                                        CHASEMELLON SHAREHOLDER
                                        SERVICES, LLC


                                        By:   /s/ Margaret W. Grubb
                                              ----------------------------------
                                              Name:  Margaret W. Grubb
                                              Title: Assistant Vice President







                                       47

<PAGE>   53



                                                                       Exhibit 1


                                 CERTIFICATE OF
                     DESIGNATION, PREFERENCES AND RIGHTS OF
                            SERIES A PREFERRED STOCK

                                       OF

                            COMMERCIAL METALS COMPANY

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

         We, Stanley A. Rabin, President, and David M. Sudbury, Secretary, of
Commercial Metals Company (the "Corporation"), a corporation organized and
existing under the General Corporation Law of the State of Delaware (the
"GCL"), in accordance with the provisions of Section 103 of the GCL, DO HEREBY
CERTIFY:

         That pursuant to the authority conferred upon the Board of Directors
(the "Board") by the Restated Articles of Incorporation of the Corporation, as
amended, the said Board on July 28, 1999, adopted the following resolutions
creating a series of one hundred thousand shares of Preferred Stock, par value
$1.00 per share, designated as Series A Preferred Stock:

         RESOLVED, that, pursuant to the authority vested in the Board in
accordance with the provisions of its Restated Articles of Incorporation, as
amended, the Board does hereby create, authorize and provide for the issuance
upon the exercise of the Corporation's Preferred Stock Purchase Rights, of a
series of Preferred Stock of the Corporation, and does hereby fix and state
that the designations, amounts, powers, preferences and relative and other
special rights and the qualifications, limitations or restrictions thereof are
as follows:

Series A Preferred Stock

         Section 1. Designation and Amount. The shares of such series shall be
designated as Series A Preferred Stock and the number of shares constituting
such series shall be 100,000.

         Section 2. Dividends and Distributions.

                  (A) Subject to the prior and superior rights of the holders
of any shares of any series of Preferred Stock ranking prior and superior to
the shares of Series A Preferred Stock with respect to dividends, the holders
of shares of Series A Preferred Stock shall be entitled to receive, when, as
and if declared by the Board of Directors out



                                       48

<PAGE>   54



of funds legally available for that purpose, quarterly dividends payable in
cash on the 1st day of July, October, January, April, in each year commencing
October 1, 1999 (each such date being referred to herein as a "Quarterly
Dividend Payment Date"), commencing on the first Quarterly Dividend Payment
Date after the first issuance of a share or fraction of a share of Series A
Preferred Stock, in an amount per share (rounded to the nearest cent) equal to
the greater of (a) $0.01 or (b) subject to the provision for adjustment
hereinafter set forth, one thousand (1,000) times the aggregate per share
amount of all cash dividends, and one thousand (1,000) 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 the common stock of the Corporation,
par value $5.00 per share ("the 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 Preferred Stock.
In the event the Corporation shall at any time after July 28, 1999 (the "Rights
Declaration Date") (i) declare any dividend on Common Stock payable in shares
of Common Stock, (ii) subdivide the outstanding Common Stock, or (iii) combine
the outstanding Common Stock into a smaller number of shares, then in each such
case the amount to which holders of shares of Series A Preferred Stock were
entitled immediately prior to such event under clause (b) of the preceding
sentence shall be adjusted by multiplying such amount by a fraction the
numerator of which is the number of shares of Common Stock outstanding
immediately after such event and the denominator of which is the number of
shares of Common Stock that were outstanding immediately prior to such event.

                  (B) The Corporation shall declare a dividend or distribution
on the Series A Preferred Stock as provided in paragraph (A) above immediately
after it declares a dividend or distribution on the Common Stock (other than a
dividend payable in shares of Common Stock); provided that, in the event no
dividend or distribution shall have been declared on the Common Stock during
the period between any Quarterly Dividend Payment Date and the next subsequent
Quarterly Dividend Payment Date, a dividend of $0.01 per share on the Series A
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 Preferred Stock from the Quarterly Dividend
Payment Date next preceding the date of issue of such shares of Series A
Preferred Stock, unless the date of issue of such shares is prior to the record
date for the first Quarterly Dividend Payment Date, in which case dividends on
such shares shall begin to accrue from the date of issue of such shares, or
unless the date of issue is a Quarterly Dividend Payment Date or is a date
after the record date for the determination of holders of shares of Series A
Preferred Stock entitled to receive a quarterly dividend and before such
Quarterly Dividend Payment Date, in either of which events such dividends shall
begin to accrue and be cumulative from such Quarterly Dividend Payment Date.
Accrued but



                                       49

<PAGE>   55



unpaid dividends shall not bear interest. Dividends paid on the shares of
Series A Preferred Stock in an amount less than the total amount of such
dividends at the time accrued and payable on such shares shall be allocated pro
rata on a share-by-share basis among all such shares at the time outstanding.
The Board of Directors may fix a record date for the determination of holders
of shares of Series A Preferred Stock entitled to receive payment of a dividend
or distribution declared thereon, which record date shall be no more than
thirty (30) days prior to the date fixed for the payment thereof.

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

                  (A) Subject to the provision for adjustment hereinafter set
forth, each share of Series A Preferred Stock shall entitle the holder thereof
to one thousand (1,000) votes on all matters submitted to a vote of the
stockholders of the Corporation. In the event the Corporation shall at any time
after the Rights Declaration Date (i) declare any dividend on Common Stock
payable in shares of Common Stock, (ii) subdivide the outstanding Common Stock,
or (iii) combine the outstanding Common Stock into a smaller number of shares,
then in each such case the number of votes per share to which holders of shares
of Series A Preferred Stock were entitled immediately prior to such event shall
be adjusted by multiplying such number by a fraction the numerator of which is
the number of shares of Common Stock outstanding immediately after such event
and the denominator of which is the number of shares of Common Stock that were
outstanding immediately prior to such event.

                  (B) Except as otherwise provided herein or by law, the
holders of shares of Series A Preferred Stock and the holders of shares of
Common Stock shall vote together as one class on all matters submitted to a
vote of stockholders of the Corporation. Except as otherwise provided herein or
by law, the holders of the shares of Series A Preferred Stock shall not be
entitled to vote as a separate class on any matters submitted to a vote of the
stockholders.

                  (C) (i) If at any time dividends on any Series A Preferred
Stock shall be in arrears in an amount equal to six (6) quarterly dividends
thereon, the holders of the Series A Preferred Stock, voting as a separate
series from all other series of Preferred Stock and classes of capital stock,
shall be entitled to elect two members of the Board of Directors in addition to
any directors elected by any other series, class or classes of securities, and
the authorized number of directors will automatically be increased by two.
Promptly thereafter, the Board of Directors of this Corporation shall, as soon
as may be practicable, call a special meeting of holders of Series A Preferred
Stock for the purpose of electing such members of the Board of Directors. Said
special meeting shall in any event be held within 45 days of the occurrence of
such arrearage.

                      (ii) During any period when the holders of Series A
Preferred Stock, voting as a separate series, shall be entitled and shall have
exercised their right



                                       50

<PAGE>   56



to elect two directors, then and during such time as such right continues (a)
the then authorized number of directors shall be increased by two, and the
holders of Series A Preferred Stock, voting as a separate series, shall be
entitled to elect the additional directors so provided for, and (b) each such
additional director shall not be a member of any existing class of the Board of
Directors, but shall serve until the next annual meeting of stockholders for
the election of directors, or until his successor shall be elected and shall
qualify, or until his right to hold such office terminates pursuant to the
provisions of this Section 3(C).

                      (iii) A director elected pursuant to the terms hereof may
be removed with or without cause by the holders of Series A Preferred Stock
entitled to vote in an election of such Director.

                      (iv) If during any interval between annual meetings of
stockholders for the election of directors and while the holders of Series A
Preferred Stock shall be entitled to elect two directors, there is no such
director in office by reason of resignation, death or removal, then, promptly
thereafter, the Board of Directors shall call a special meeting of the holders
of Series A Preferred Stock for the purpose of filling such vacancy and such
vacancy shall be filled at such special meeting. Such special meeting shall in
any event be held within 90 days of the occurrence of such vacancy, unless an
annual meeting of stockholders is scheduled during such 90-day period.

                      (v) At such time as the arrearage is fully cured, and all
dividends accumulated and unpaid on any shares of Series A Preferred Stock
outstanding are paid, and, in addition thereto, at least one regular dividend
has been paid subsequent to curing such arrearage, the term of office of any
directors elected pursuant to this Section 3(C), or his successor, shall
automatically terminate, and the authorized number of directors shall
automatically decrease by two, the rights of the holders of the shares of the
Series A Preferred Stock to vote as provided in this Section 3(C) shall cease,
subject to renewal from time to time upon the same terms and conditions, and the
holders of shares of the Series A Preferred Stock shall have only the limited
voting rights elsewhere herein set forth.

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

         Section 4. Certain Restrictions.

                  (A) Whenever quarterly dividends or other dividends or
distributions payable on the Series A Preferred Stock as provided in Section 2
are in arrears, thereafter and until all accrued and unpaid dividends and
distributions, whether or not



                                       51

<PAGE>   57



declared, on shares of Series A Preferred Stock outstanding shall have been
paid in full, the Corporation shall not:

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

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

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

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

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

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



                                       52

<PAGE>   58



         Section 6. Liquidation, Dissolution or Winding Up.

                  (A) Upon any liquidation (voluntary or otherwise),
dissolution or winding up of the Corporation, no distribution shall be made to
the holders of shares of stock ranking junior (either as to dividends or upon
liquidation, dissolution or winding up) to the Series A Preferred Stock unless,
prior thereto, the holders of shares of Series A Preferred Stock shall have
received $250 per share, plus an amount equal to accrued and unpaid dividends
and distributions thereon, whether or not declared, to the date of such payment
(the "Series A Liquidation Preference"), plus the Series A Pro Rata Liquidation
Preference, as defined below. The "Series A Pro Rata Liquidation Preference"
means the ratable and proportionate share of the assets to be distributed to
the holders of Series A Preferred Stock after subtracting (i) the amount of the
Series A Liquidation Preference to be distributed to the holders of shares of
Series A Preferred Stock as provided in the previous sentence and (ii) the
amount of the Common Adjustment to be distributed to the holders of shares of
Common Stock, as provided in the next sentence, in the ratio of the Adjustment
Number (as defined below) to one (1) with respect to all outstanding shares of
Preferred Stock and Common Stock, on a per share basis, respectively. Following
the payment of the full amount of the Series A Liquidation Preference and the
Series A Pro Rata Liquidation Preference, the holders of shares of Common Stock
shall receive an amount per share (the "Common Adjustment") equal to the
quotient obtained by dividing (i) the Series A Liquidation Preference by (ii)
one thousand (1,000) (as appropriately adjusted as set forth in paragraph (C)
of this Section to reflect such events as stock splits, stock dividends and
recapitalizations with respect to the Common Stock) (such number in clause (ii)
immediately above being referred to as the "Adjustment Number"). Following the
payment of the full amount of the Series A Liquidation Preference, the Series A
Pro Rata Liquidation Preference and the Common Adjustment in respect of all
outstanding shares of Series A Preferred Stock and Common Stock, respectively,
holders of shares of Common Stock shall receive their ratable and proportionate
share of the remaining assets to be distributed.

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

                  (C) In the event the Corporation shall at any time after the
Rights Declaration Date (i) declare any dividend on Common Stock payable in
shares of Common Stock, (ii) subdivide the outstanding Common Stock, or (iii)
combine the outstanding Common Stock into a smaller number of shares, then in
each such case the



                                       53

<PAGE>   59



Adjustment Number in effect immediately prior to such event shall be adjusted
by multiplying such Adjustment Number by a fraction the numerator of which is
the number of shares of Common Stock outstanding immediately after such event
and the denominator of which is the number of shares of Common Stock that were
outstanding immediately prior to such event.

         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,
securities, cash or any other property, then in any such case the shares of
Series A Preferred Stock shall at the same time be similarly exchanged or
changed in an amount per share (subject to the provision for adjustment
hereinafter set forth) equal to one thousand (1,000) times the aggregate amount
of stock, securities, cash and/or any other property (payable in kind), as the
case may be, into which or for which each share of Common Stock is changed or
exchanged. In the event the Corporation shall at any time after the Rights
Declaration Date (i) declare any dividend on Common Stock payable in shares of
Common Stock, (ii) subdivide the outstanding Common Stock, or (ii) combine the
outstanding Common Stock into a smaller number of shares, then in each such
case the amount set forth in the preceding sentence with respect to the
exchange or change of shares of Series A Preferred Stock shall be adjusted by
multiplying such amount by a fraction the numerator of which is the number of
shares of Common Stock outstanding immediately after such event and the
denominator of which is the number of shares of Common Stock that were
outstanding immediately prior to such event.

         Section 8. Redemption. The outstanding shares of Series A Preferred
Stock may be redeemed at the option of the Board of Directors as a whole, but
not in part, at any time, or from to time to time, at a cash price per share
equal to one hundred five percent (105%) of (i) the product of the Adjustment
Number times the Average Market Value (as such term is hereinafter defined) of
the Common Stock, plus (ii) all dividends which on the redemption date have
accrued on the shares to be redeemed and have not been paid, or declared and a
sum sufficient for the payment thereof set apart, without interest. The
"Average Market Value" is the average of the closing sale prices of the Common
Stock during the thirty (30) day period immediately preceding the date before
the redemption date on the Composite Tape for New York Stock Exchange Listed
Stocks, or, if such stock is not quoted on the Composite Tape, on the New York
Stock Exchange, or, if such stock is not listed on such Exchange, on the
principal United States securities exchange registered under the Securities
Exchange Act of 1934, as amended, on which such stock is listed, or, if such
stock is not listed on any such exchange, the average of the closing sale
prices with respect to a share of Common Stock during such thirty (30) day
period, as quoted on the National Association of Securities Dealers, Inc.
Automated Quotations System or any system then in use, or if no such quotations
are available, the fair market value of the Common Stock as determined by the
Board of Directors in good faith.




                                       54

<PAGE>   60



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

         Section 10. Amendment. Except as otherwise provided in the Restated
Articles of Incorporation, as amended, or by law, the Restated Articles of
Incorporation of the Corporation, as amended, shall not be further amended in
any manner which would materially alter or change the powers, preferences or
special rights of the Series A Preferred Stock so as to affect them adversely
without the affirmative vote of the holders of a majority or more of the
outstanding shares of Series A Preferred Stock, voting separately as a class.

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

                                   * * * * *





                                       55

<PAGE>   61



         IN WITNESS WHEREOF, we have executed and subscribed this Certificate
and do affirm the foregoing as true as of July 28, 1999.


                                           /s/ STANLEY A. RABIN
                                           -------------------------------------
                                           Stanley A. Rabin, President and Chief
                                           Executive Officer


Attest:


/s/ DAVID M. SUDBURY
- ---------------------------------------
David M. Sudbury, Secretary





                                       56

<PAGE>   62



                                                                       EXHIBIT 2


                          [FORM OF RIGHTS CERTIFICATE]


Certificate No. R____                              ______ Rights


NOT EXERCISABLE AFTER THE EARLIER OF JULY 28, 2009, OR SUCH DATE AS THE RIGHTS
REPRESENTED HEREBY ARE REDEEMED BY COMMERCIAL METALS COMPANY (THE
"CORPORATION"). THE RIGHTS REPRESENTED BY THIS RIGHTS CERTIFICATE ARE SUBJECT
TO REDEMPTION, AT THE OPTION OF THE CORPORATION, AT $0.001 PER RIGHT ON THE
TERMS SET FORTH IN THE RIGHTS AGREEMENT DATED AS OF JULY 28, 1999, BY AND
BETWEEN THE CORPORATION AND CHASEMELLON SHAREHOLDER SERVICES, LLC, AS RIGHTS
AGENT (THE "RIGHTS AGREEMENT"). UNDER CERTAIN CIRCUMSTANCES, RIGHTS
BENEFICIALLY OWNED BY AN ACQUIRING PERSON (AS SUCH TERM IS DEFINED IN THE
RIGHTS AGREEMENT) AND ANY SUBSEQUENT HOLDER OF SUCH RIGHTS MAY BECOME NULL AND
VOID. [THE RIGHTS REPRESENTED BY THIS RIGHTS CERTIFICATE ARE OR WERE
BENEFICIALLY OWNED BY A PERSON WHO WAS OR BECAME AN ACQUIRING PERSON OR AN
AFFILIATE OR ASSOCIATE OF AN ACQUIRING PERSON (AS SUCH TERMS ARE DEFINED IN THE
RIGHTS AGREEMENT). ACCORDINGLY, THIS RIGHTS CERTIFICATE AND THE RIGHTS
REPRESENTED HEREBY MAY BECOME NULL AND VOID IN THE CIRCUMSTANCES SPECIFIED IN
SECTION 7(e) (EXERCISE OF RIGHTS; PURCHASE PRICE; EXPIRATION DATE OF RIGHTS --
TERMINATION OF ACQUIRING PERSON'S RIGHTS) OF SUCH AGREEMENT.(1)

                               RIGHTS CERTIFICATE
                           COMMERCIAL METALS COMPANY

         This certifies that __________________________________________________,
or its, his or her 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 July 28,
1999 (the "Rights Agreement"), between Commercial Metals Company, a Delaware
corporation (the "Corporation"), and ChaseMellon Shareholder Services, LLC (the
"Rights Agent"), to purchase from the Corporation at any time prior to 5:00 P.M.
(Dallas, Texas time) on July 28, 2009 at the office or offices of the Rights
Agent designated for such purpose, or

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

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





                                       57

<PAGE>   63



its successors as Rights Agent, one one-thousandth (1/1,000) of a fully paid,
nonassessable share of Series A Preferred Stock (the "Preferred Stock") of the
Corporation, at a purchase price of $____ per one one-thousandth (1/1,000) of a
share (the "Purchase Price"), upon presentation and surrender of this Rights
Certificate with the Form of Election to Purchase and related Certificate duly
executed. The number of Rights evidenced by this Rights Certificate (and the
number of shares which may be purchased upon exercise thereof) set forth above,
and the Purchase Price set forth above, are the number and Purchase Price as of
________________, ___________, based on the Preferred Stock as constituted at
such date. The Corporation reserves the right to require prior to the occurrence
of a Triggering Event (as such term is defined in the Rights Agreement) that
upon any exercise of Rights, a number of Rights be exercised so that only whole
shares of Preferred Stock would be issued.

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

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

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

         This Rights Certificate, with or without other Rights Certificates,
upon surrender at the principal office or offices of the Rights Agent
designated for such purpose, may be exchanged for another Rights Certificate or
Rights Certificates of like tenor and date



                                       58

<PAGE>   64



evidencing Rights entitling the holder to purchase a like aggregate number of
one one-thousandths of a share of Preferred Stock as the Rights evidenced by the
Rights Certificate or Rights Certificates surrendered shall have entitled such
holder to purchase. If this Rights Certificate shall be exercised in part, the
holder shall be entitled to receive upon surrender hereof another Rights
Certificate or Rights Certificates for the number of whole Rights for which this
Rights Certificate is not exercised.

         Subject to the provisions of the Rights Agreement, the Rights
evidenced by this Certificate (i) may be redeemed by the Corporation at its
option at a redemption price of $0.001 per Right at any time prior to the
earlier of (a) the Stock Acquisition Date (as such term is defined in the
Rights Agreement) or (b) the Final Expiration Date (as such term is defined in
the Rights Agreement) and (ii) may be exchanged in whole or in part for
Preferred Stock, shares of the Corporation's Common Stock, par value $5.00 per
share, other property or any combination thereof.

         In addition, the Rights may be exchanged, in whole or in part, for
shares of the Common Stock, or shares of common stock equivalents of the
Corporation having essentially the same value or economic rights as such
shares. Immediately upon the action of the Board of Directors of the
Corporation authorizing any such exchange, and without any further action or
any notice, the Rights (other than Rights which are not subject to such
exchange) will terminate and the Rights will only enable holders to receive the
shares issuable upon such exchange.

         No fractional shares of Preferred Stock will be issued upon the
exercise of any Right or Rights evidenced hereby (other than fractions which
are integral multiples of one one-thousandth (1/1,000) of a share of Preferred
Stock, which may, at the election of the Corporation, be evidenced by
depositary receipts), but a cash payment will be made in lieu thereof, as
provided in the Rights Agreement.

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



                                       59

<PAGE>   65



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



Dated as of _________________

ATTEST:                                   COMMERCIAL METALS COMPANY


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

Countersigned:

CHASEMELLON SHAREHOLDER SERVICES, LLC

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






                                       60

<PAGE>   66



                  [FORM OF REVERSE SIDE OF RIGHTS CERTIFICATE]


                               FORM OF ASSIGNMENT


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


FOR VALUE RECEIVED, ___________________________________________________________
hereby sells, assigns and transfers unto_______________________________________

________________________________________________________________________________
                 (PLEASE PRINT NAME AND ADDRESS OF TRANSFEREE)

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

Dated:
      -----------------------------     ---------------------------------------
                                        Signature

Signature Guaranteed:

                                  CERTIFICATE

         The undersigned hereby certifies by checking the appropriate boxes
that:

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


Dated:
      -----------------------------     ---------------------------------------
                                        Signature

Signature Guaranteed:


                                       61

<PAGE>   67





                                     NOTICE

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

                          FORM OF ELECTION TO PURCHASE
                      (To be executed if holder desires to
                       exercise Rights represented by the
                              Rights Certificate.)

To:      Commercial Metals Company

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

Please insert social security or
other identifying number


- --------------------------------------------------------------------------------
                        (PLEASE PRINT NAME AND ADDRESS)


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

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

Please insert social security or
other identifying number



- --------------------------------------------------------------------------------
                        (PLEASE PRINT NAME AND ADDRESS)

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

Dated:
      -----------------------------     ---------------------------------------
                                        Signature


Signature Guaranteed:

                                       62

<PAGE>   68




                                  CERTIFICATE

         The undersigned hereby certifies by checking the appropriate boxes
that:

         (1) the Rights evidenced by this Rights Certificate [ ] are [ ] are
not being acquired or exercised by or on behalf of a Person who is or was an
Acquiring Person or an Affiliate or Associate of an Acquiring Person (as such
terms are defined 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 became an Acquiring Person or an Affiliate or
Associate of an Acquiring Person.


Dated:
      -----------------------------     ---------------------------------------
                                        Signature

Signature Guaranteed:



                                     NOTICE

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





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<PAGE>   69



                                                                       EXHIBIT 3

[Letter to Stockholders]


                                  _______, 1999




Dear Commercial Metals Company Stockholder:

      On July 28, 1999, your Board of Directors adopted a Stockholder Rights
Plan designed to prevent a potential acquiror from gaining control of the
Company without fairly compensating all of the Company's stockholders.

      The Rights will initially trade with shares of the Company's Common Stock
and will have no impact on the way in which the Company's shares are traded.
There are no separate certificates or market for the Rights.

      The Rights will not become exercisable and trade separately from the
Common Stock until the earlier of (1) ten business days after a public
announcement that a person has acquired 15% or more of the Common Stock of the
Company or (2) ten business days (or any later date determined by the Company's
Board of Directors) after a person makes a tender or exchange offer for 15% or
more of the Company's Common Stock.

      Many other public companies have adopted similar plans, indicating
widespread agreement that such plans can help Directors deflect coercive and
inadequate offers.

      A summary of the terms of the Rights is included with this letter.

                                         Sincerely,



                                         Stanley A. Rabin
                                         President and Chief Executive Officer






                                       64

<PAGE>   70



                         SUMMARY OF RIGHTS TO PURCHASE
                                PREFERRED STOCK

      On July 28, 1999, the Board of Directors of Commercial Metals Company
(the "Company") declared a dividend distribution of one Right for each
outstanding share of the Company's common stock, $5.00 par value (the "Common
Stock"), to stockholders of record at the close of business on August 9, 1999.
Each Right entitles the registered holder to purchase from the Company one
one-thousandth (1/1,000) of a share of Series A Preferred Stock, par value
$1.00 per share (the "Preferred Stock"), at a Purchase Price of $150.00 per one
one-thousandth (1/1,000) of a share, subject to adjustment. The description and
terms of the Rights are set forth in a Rights Agreement (the "Rights
Agreement") between the Company and ChaseMellon Shareholder Services, LLC, as
Rights Agent (the "Rights Agent").

      Initially, the Rights will be attached to all Common Stock certificates
representing shares then outstanding, and no separate Rights Certificates will
be distributed. The Rights will separate from the Common Stock upon the earlier
of (i) ten (10) business days following a public announcement that a person
(other than Daniel E. Feldman, Moses Feldman, Robert L. Feldman or Sara B.
Feldman or any of their affiliates, so long as they do not acquire beneficial
ownership of an aggregate of twenty five percent (25%) or more of the
outstanding shares of Common Stock) or group of affiliated or associated
persons (an "Acquiring Person") has acquired, or obtained the right to acquire,
beneficial ownership of fifteen percent (15%) or more of the outstanding shares
of Common Stock (the "Stock Acquisition Date"), or (ii) ten (10) business days
(or such later date as the Board of Directors shall determine) following the
commencement of a tender or exchange offer that would result in a person or
group beneficially owning fifteen percent (15%) or more of such outstanding
shares of Common Stock. The date the Rights separate is referred to as the
"Distribution Date."

      Until the Distribution Date, (i) the Rights will be evidenced by the
Common Stock certificates and will be transferred with and only with such
Common Stock certificates, (ii) new Common Stock certificates issued after
August 9, 1999 will contain a notation incorporating the Rights Agreement by
reference, and (iii) the surrender for transfer of any certificates for Common
Stock outstanding will also constitute the transfer of the Rights associated
with the Common Stock represented by such certificates. Pursuant to the Rights
Agreement, the Company reserves the right to require prior to the occurrence of
a Triggering Event (as defined below) that, upon any exercise of Rights, a
number of Rights be exercised so that only whole shares of Preferred Stock will
be issued.





                                       65

<PAGE>   71



      The Rights are not exercisable until the Distribution Date and will
expire at the close of business on July 28, 2009, unless earlier redeemed by
the Company as described below.

      As soon as practicable after the Distribution Date, Rights Certificates
will be mailed to holders of record of the Common Stock as of the close of
business on the Distribution Date and, thereafter, the separate Rights
Certificates will represent the Rights. Except in connection with shares of
Common Stock issued or sold pursuant to the exercise of stock options under any
employee plan or arrangements, or upon the exercise, conversion or exchange of
securities hereafter issued by the Company, or as otherwise determined by the
Board of Directors, only shares of Common Stock issued prior to the
Distribution Date will be issued with Rights.

      In the event that (i) the Company is the surviving corporation in a
merger or other business combination with an Acquiring Person (or any associate
or affiliate thereof) and its Common Stock remains outstanding and unchanged,
(ii) any person shall acquire beneficial ownership of more than fifteen percent
(15%) of the outstanding shares of Common Stock (except pursuant to (A) certain
consolidations or mergers involving the Company or sales or transfers of the
combined assets, cash flow or earning power of the Company and its subsidiaries
or (B) an offer for all outstanding shares of Common Stock at a price and upon
terms and conditions which the Board of Directors determines to be in the best
interests of the Company and its stockholders), or (iii) there occurs a
reclassification of securities, a recapitalization of the Company or any of
certain business combinations or other transactions (other than certain
consolidations and mergers involving the Company and sales or transfers of the
combined assets, cash flow or earning power of the Company and its
subsidiaries) involving the Company or any of its subsidiaries which has the
effect of increasing by more than one percent (1%) the proportionate share of
any class of the outstanding equity securities of the Company or any of its
subsidiaries beneficially owned by an Acquiring Person (or any associate or
affiliate thereof), each holder of a Right (other than the Acquiring Person and
certain related parties) 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 Purchase Price
of the Right. Notwithstanding any of the foregoing, following the occurrence of
any of the events described in this paragraph, all Rights that are, or (under
certain circumstances specified in the Rights Agreement) were, beneficially
owned by any Acquiring Person will be null and void. The events described in
this paragraph are referred to as "Flip-in Events."

      For example, at a Purchase Price of $150.00 per Right, each Right not
owned by an Acquiring Person (or by certain related parties or transferees)
following an event set forth in the preceding paragraph would entitle its
holder to purchase $300.00 worth of Common Stock (or other consideration, as
noted above) for $150.00. Assuming that the Common Stock had a per share market
price of $30.00 at such time, the holder of each valid Right would be entitled
to purchase 10 shares of Common Stock for $150.00.



                                       66

<PAGE>   72



      In the event that, at any time following the Stock Acquisition Date, (i)
the Company shall enter into a merger or other business combination transaction
in which the Company is not the surviving corporation, (ii) the Company is the
surviving corporation in a consolidation, merger or similar transaction
pursuant to which all or part of the outstanding shares of Common Stock are
changed into or exchanged for stock or other securities of any other person or
cash or any other property or (iii) more than 50% of the combined assets, cash
flow or earning power of the Company and its subsidiaries is sold or
transferred (in each case other than certain consolidations with, mergers with
and into, or sales of assets, cash flow or earning power by or to subsidiaries
of the Company as specified in the Rights Agreement), each holder of a Right
(except Rights which previously have been voided as set forth above) shall
thereafter have the right to receive, upon exercise, common stock of the
acquiring company having a value equal to two times the Purchase Price of the
Right. The events described in this paragraph are referred to as "Flip-over
Events." Flip-in Events and Flip-over Events are referred to collectively as
"Triggering Events."

      The Purchase Price payable, the number and kind of shares covered by each
Right and the number of Rights outstanding 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, options or warrants
to subscribe for Preferred Stock or securities convertible into Preferred Stock
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,
cash (excluding regular quarterly cash dividends), assets (other than dividends
payable in Preferred Stock) or subscription rights or warrants (other than
those referred to in (ii) immediately above).

      With certain exceptions, no adjustment in the Purchase Price will be
required until cumulative adjustments amount to at least one percent (1%) of
the Purchase Price. No fractional shares of Preferred Stock are required to be
issued (other than fractions which are integral multiples of one one-thousandth
(1/1,000) of a share of Preferred Stock) and, in lieu thereof, the Company may
make an adjustment in cash based on the market price of the Preferred Stock on
the trading date immediately prior to the date of exercise.

      At any time after any person or group becomes an Acquiring Person and
prior to the acquisition by such person or group of fifty percent (50%) or more
of the outstanding shares of Common Stock, the Board of Directors of the
Company may, without payment of the Purchase Price by the holder, exchange the
Rights (other than Rights owned by such person or group, which will become
void), in whole or in part, for shares of Common Stock at an exchange ratio of
one-half (1/2) the number of shares of Common Stock (or in certain
circumstances Preferred Stock) for which a Right is exercisable immediately
prior to the time of the Company's decision to exchange the Rights (subject to
adjustment).




                                       67

<PAGE>   73



      At any time until the Stock Acquisition Date, the Company may redeem the
Rights in whole, but not in part, at a price of $0.001 per Right (payable in
cash, shares of Common Stock or other consideration deemed appropriate by the
Board of Directors). Immediately upon the action of the Board of Directors
ordering redemption of the Rights, the Rights will terminate and the only right
of the holders of Rights will be to receive the $0.001 redemption price.

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

      Other than those provisions relating to the principal economic terms of
the Rights, any of the provisions of the Rights Agreement may be amended by the
Board of Directors of the Company at any time during the period in which the
Rights are redeemable. At any time when the Rights are no longer redeemable,
the provisions of the Rights Agreement may be amended by the Board only if such
amendment does not adversely affect the interest of holders of Rights
(excluding the interest of any Acquiring Person); provided, however, that no
amendment may cause the Rights again to become redeemable.

      A copy of the Rights Agreement has been filed with the Securities and
Exchange Commission as an Exhibit to a Registration Statement on Form 8-A filed
on , 1999. A copy of the Rights Agreement is available free of charge from the
Rights Agent. This summary description of the Rights does not purport to be
complete and is qualified in its entirety by reference to the Rights Agreement,
which is incorporated herein by reference.






                                       68

<PAGE>   74

                                                                       EXHIBIT 4

                                                         CONTACT: DEBBIE L. OKIE
                                                      DIRECTOR, PUBLIC RELATIONS


                        COMMERCIAL METALS COMPANY ADOPTS
                            STOCKHOLDER RIGHTS PLAN

      Dallas -- July 28, 1999 -- Commercial Metals Company [NYSE:CMC] today
announced that its Board of Directors has adopted a Stockholder Rights Plan
(the "Plan"). To effect the Plan, the Board declared a dividend of one
Preferred Stock Purchase Right ("Right") on each outstanding share of the
Company's Common Stock.

      "The Plan is not being adopted in response to any specific effort to
acquire control of the Company, and it is not intended to restrict the
Company's ability to enter into future acquisitions of transactions," said
Stanley A. Rabin, Chairman of the Board, President and Chief Executive Officer.
Mr. Rabin added, "The Rights are intended to enable all stockholders to realize
the long-term value of their investment in the Company by protecting them from
unfair or coercive takeover attempts. As is typical with these types of plans,
the Rights will not prevent a takeover, but should encourage anyone seeking to
acquire the Company to negotiate with the Board prior to attempting the
takeover."

      The Rights are represented by and traded with the Company's Common Stock.
The Rights do not become exercisable or trade separately from the Common Stock
unless one or both of the following conditions are met: a public announcement
that a person has acquired 15% or more of the Common Stock of the Company, or a
tender or exchange offer is made for 15% or more of the Common Stock of the
Company. Should either of




                                       69

<PAGE>   75



these conditions be met and the Rights become exercisable, each Right will
entitle the holder to buy 1/1,000th of a share of the Company's Series A
Preferred Stock at an exercise price of $150.00. Each fractional share of the
Series A Preferred Stock will essentially be the economic equivalent of one
share of Common Stock. Under certain circumstances the Rights entitle the
holders to buy the Company's stock or shares of the acquiror's stock at a 50%
discount. The Rights may be redeemed by the Company for $0.001 per Right at any
time until the first public announcement of the acquisition of beneficial
ownership of 15% of the Company's Common Stock.

      The distribution of the Rights will be made to stockholders of record as
of August 9, 1999. The Rights distribution is not taxable to stockholders. A
more detailed description of the Rights will be sent to stockholders.

      Commercial Metals Company and subsidiaries manufacture, recycle and
market steel and metal products, related materials and services through a
network of over 110 locations including 4 steel minimills, 19 steel fabrication
plants, 4 steel joist plants, a castellated beam fabricator, 4 steel fence post
manufacturing plants, 2 heat treating plants, a railcar rebuilding facility, 18
concrete related product warehouses, an industrial products supply company, a
railroad salvage company, a copper tube mill, 47 metal recycling facilities and
16 marketing and trading offices in the United States and in strategic overseas
markets.

                                     -(END)-

http://www.commercialmetals.com


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