MCDERMOTT INTERNATIONAL INC
8-A12B, 1995-12-15
FABRICATED PLATE WORK (BOILER SHOPS)
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<PAGE>
 
                       SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                                     ______

                                    FORM 8-A


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


                         McDERMOTT INTERNATIONAL, INC.
            (Exact name of registrant as specified in its charter)

                Republic of Panama                         72-0593134
(State of incorporation or organization)       (IRS Employer Identification No.)

          1450 Poydras Street
         New Orleans, Louisiana                     70112-6050
   (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
     -------------------            ------------------------------

    Series D Participating          New York Stock Exchange
           Preferred
     Stock Purchase Rights

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


                                     None
                               (Title of Class)
<PAGE>
 
     Item 1.   Description of Registrant's Securities to be Registered.

     On December 5, 1995, the Board of Directors of McDermott International,
Inc. (the "Company") declared a dividend of one preferred stock purchase right
(a "Right") for each outstanding share of common stock, par value $1.00 per
share (the "Common Stock"), of the Company payable to holders of record as of
the close of business on January 2, 1996 (the "Record Date").

     Prior to the Distribution Date (as defined below), the Rights will be
evidenced by the certificates for and will be transferred with the Common Stock,
and the registered holders of the Common Stock will be deemed to be the
registered holders of the Rights. After the Distribution Date, the Rights Agent
will mail separate certificates evidencing the Rights to each record holder of
the Common Stock as of the close of business on the Distribution Date, and
thereafter the Rights will be transferable separately from the Common Stock. The
"Distribution Date" means the earlier of (i) the 10th day (or such later day as
may be designated by a majority of the Continuing Directors (as hereinafter
defined)) after the date (the "Stock Acquisition Date") of the first public
announcement that a person (other than the Company or any of its subsidiaries or
any employee benefit plan of the Company or any such subsidiary) has acquired
beneficial ownership of 15% or more of the outstanding shares of Common Stock
(an "Acquiring Person") and (ii) the 10th business day (or such later day as may
be designated by a majority of the Continuing Directors) after the date of the
commencement of a tender or exchange offer by any person which would, if
consummated, result in such person becoming an Acquiring Person.

     Prior to the Distribution Date, the Rights will not be exercisable. After
the Distribution Date, each Right will be exercisable to purchase, for $50.00
(the "Purchase Price"), one one-hundredth of a share of Series D Participating
Preferred Stock, par value $1.00 per share (the "Preferred Stock"). The terms
and conditions of the Rights are set forth in a Rights Agreement dated as of
December 5, 1995 between the Company and First Chicago Trust Company of New
York, as Rights Agent (the "Rights Agreement"), a copy of which is attached as
an exhibit hereto and the description thereof is qualified in its entirety by
reference thereto.

     If any person becomes an Acquiring Person, each Right (other than Rights
beneficially owned by the Acquiring Person and certain affiliated persons) will
entitle the

                                       2
<PAGE>
 
     holder to purchase, for the Purchase Price, a number of shares of Common
     Stock having a market value of twice the Purchase Price.

     If, after any person has become an Acquiring Person, (1) the Company is
involved in a merger or other business combination in which the Company is not
the surviving corporation or its Common Stock is exchanged for other securities
or assets or (2) the Company and/or one or more of its subsidiaries sell or
otherwise transfer assets or earning power aggregating more than 50% of the
assets or earning power of the Company and its subsidiaries, taken as a whole,
then each Right will entitle the holder to purchase, for the Purchase Price, a
number of shares of common stock of the other party to such business combination
or sale (or in certain circumstances, an affiliate) having a market value of
twice the Purchase Price.

     At any time after any person has become an Acquiring Person (but before any
person becomes the beneficial owner of 50% or more of the outstanding shares of
Common Stock), a majority of the Continuing Directors may exchange all or part
of the Rights (other than Rights beneficially owned by an Acquiring Person and
certain affiliated persons) for shares of Common Stock at an exchange ratio of
one share of Common Stock per Right.

     The Board of Directors may redeem all of the Rights at a price of $.01 per
Right at any time prior to the close of business on the 10th day after the Stock
Acquisition Date (or such later date as may be designated by a majority of the
Continuing Directors). After any person has become an Acquiring Person, the
Rights may be redeemed only with the approval of a majority of the Continuing
Directors.

     "Continuing Director" means any member of the Board of Directors who was a
member of the Board prior to the time an Acquiring Person becomes such or any
person who is subsequently elected to the Board if such person is recommended or
approved by a majority of the Continuing Directors. Continuing Directors do not
include an Acquiring Person, an affiliate or associate of an Acquiring Person or
any representative or nominee of the foregoing.

     The Rights will expire on January 2, 2006, unless earlier exchanged or
redeemed.

     Prior to the Distribution Date, the Rights Agreement may be amended in any
respect. After the Distribution Date, the Rights Agreement may be amended in any
respect that does not adversely affect Rights holders (other than any Acquiring
Person and certain affiliated

                                       3
<PAGE>
 
     persons). After any person has become an Acquiring Person, the Rights
     Agreement may be amended only with the approval of a majority of the
     Continuing Directors.

     Rights holders have no rights as a stockholder of the Company, including
the right to vote and to receive dividends.

     The Rights Agreement includes antidilution provisions designed to prevent
efforts to diminish the effectiveness of the Rights.

     As of November 30, 1995, there were 54,421,931 shares of Common Stock
outstanding, approximately 8,944,126 shares reserved for issuance under the
Company's stock option and thrift plans and 6,896,680 shares reserved for
issuance upon the conversion of certain convertible preferred stock. Each
outstanding share of Common Stock on the Record Date will receive one Right.
Shares of Common Stock issued after the Record Date and prior to the
Distribution Date will be issued with a Right attached so that all shares of
Common Stock outstanding prior to the Distribution Date will have Rights
attached. 702,652 shares of Preferred Stock have been reserved for issuance upon
exercise of the Rights.

     The Rights have certain anti-takeover effects. The Rights may cause
substantial dilution to a person that attempts to acquire the Company without a
condition to such an offer that a substantial number of the Rights be acquired
or that the Rights be redeemed or declared invalid. The Rights should not
interfere with any merger or other business combination approved by the Board of
Directors (under some circumstances, with the concurrence of the Continuing
Directors) since the Rights may be redeemed by the Company as described above.

     While the dividend of the Rights will not be taxable to stockholders or to
the Company, stockholders or the Company may, depending upon the circumstances,
recognize taxable income in the event that the Rights become exercisable as set
forth above.

               Item 2.   Exhibits

               1.   Form of Rights Agreement dated as of December 5, 1995
                    between McDermott International, Inc. and First Chicago
                    Trust Company of New York, as Rights Agent, which includes
                    as Exhibit B thereto the form of Rights Certificate.

                                       4
<PAGE>
 
                                   SIGNATURE


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


                              McDERMOTT INTERNATIONAL, INC.


                              By /s/ L. R. Purtell
                                 ---------------------------
                              Name:  L. R. Purtell
                              Title: Senior Vice President


     Dated:  December 15, 1995

                                       5
<PAGE>
 
                                 EXHIBIT INDEX

          The following exhibit is attached hereto and incorporated herein by
     reference.

     Exhibit
     Number                            Description
     ------                            ------------

     1              Form of Rights Agreement dated as of December 5, 1995
                    between McDermott International, Inc. and First Chicago
                    Trust Company of New York, as Rights Agent, which includes
                    as Exhibit B thereto the form of Rights Certificate

<PAGE>
 
                                                                       EXHIBIT 1



                                RIGHTS AGREEMENT


                                  dated as of

                                December 5, 1995


                                    between


                         McDermott International, Inc.


                                      and


                    First Chicago Trust Company of New York,

                                as Rights Agent
<PAGE>
 
                              TABLE OF CONTENTS/1/

<TABLE>
<CAPTION>
 
                                                           Page
                                                           ---- 
<S>                  <C>                                   <C>
 
     Section  1.     Definitions..........................   1
 
     Section  2.     Appointment of Rights Agent..........   5
 
     Section  3.     Issue of Right Certificates..........   6
 
     Section  4.     Form of Right Certificates...........   7
 
     Section  5.     Countersignature and Registration....   7
 
     Section  6.     Transfer and Exchange of Right
                      Certificates; Mutilated, Destroyed,
                      Lost or Stolen Right Certificates...   8
 
     Section  7.     Exercise of Rights; Purchase Price;
                      Expiration Date of Rights...........   8
 
     Section  8.     Cancellation and Destruction of Right
                      Certificates........................  10
 
     Section  9.     Reservation and Availability of
                      Capital Stock.......................  11
 
     Section 10.     Preferred Stock Record Date..........  12
 
     Section 11.     Adjustment of Purchase Price,
                      Number and Kind of Shares or Number
                      of Rights...........................  13
 
     Section 12.     Certificate of Adjusted Purchase
                      Price or Number of Shares...........  22
 
     Section 13.     Consolidation, Merger or Sale or
                      Transfer of Assets or
                      Earning Power.......................  23
 
     Section 14.     Fractional Rights and Fractional
                      Shares..............................  25
 
     Section 15.     Rights of Action.....................  27
 
     Section 16.     Agreement of Right Holders...........  27
 
</TABLE>
- ----------
/1/The Table of Contents is not a part of this Agreement.
<PAGE>
 
<TABLE>
<CAPTION> 
                                                           Page
                                                           ---- 
<S>                  <C>                                   <C>
     Section 17.     Right Certificate Holder Not Deemed
                      a Stockholder.......................  28
 
     Section 18.     Concerning the Rights Agent..........  28
 
     Section 19.     Merger or Consolidation or Change of
                      Name of Rights Agent................  29
 
     Section 20.     Duties of Rights Agent...............  30
 
     Section 21.     Change of Rights Agent...............  32
 
     Section 22.     Issuance of New Right Certificates...  33
 
     Section 23.     Redemption...........................  33
 
     Section 24.     Exchange.............................  34
 
     Section 25.     Notice of Proposed Actions...........  35
 
     Section 26.     Notices..............................  36
 
     Section 27.     Supplements and Amendments...........  37
 
     Section 28.     Successors...........................  37
 
     Section 29.     Determinations and Actions
                      by the Board of Directors, etc......  37
 
     Section 30.     Benefits of this Agreement...........  38
 
     Section 31.     Severability.........................  39
 
     Section 32.     Governing Law........................  39
 
     Section 33.     Counterparts.........................  39
 
     Section 34.     Descriptive Headings.................  39
</TABLE>
                                      ii
<PAGE>
 
     Exhibit A  -    Form of Certificate of Designation
                      of Preferred Stock
 
     Exhibit B  -    Form of Right Certificate
 
     Exhibit C  -    Summary Description of the
                      Stockholder Rights Plan

                                      iii
<PAGE>
 
                                RIGHTS AGREEMENT

               AGREEMENT dated as of December 5, 1995, between McDermott
     International, Inc., a Panama corporation (the "Company"), and First
     Chicago Trust Company of New York, as Rights Agent (the "Rights Agent"),

                              W I T N E S S E T H

               WHEREAS, on December 5, 1995 the Board of Directors of the
     Company authorized and declared a dividend of one preferred stock purchase
     right (a "Right") for each share of Common Stock (as hereinafter defined)
     outstanding at the close of business on January 2, 1996 (the "Record Date")
     and has authorized the issuance, upon the terms and subject to the
     conditions hereinafter set forth, of one Right in respect of each share of
     Common Stock issued after the Record Date, each Right representing the
     right to purchase, upon the terms and subject to the conditions hereinafter
     set forth, one one-hundredth of a share of Preferred Stock (as hereinafter
     defined);

               NOW, THEREFORE, the parties hereto agree as follows:

               Section 1.  Definitions.  The following terms, as used herein,
     have the following meanings:

               "Acquiring Person" means any Person who, together with all
          Affiliates and Associates of such Person, shall be the Beneficial
          Owner of 15% or more of the shares of Common Stock then outstanding,
          but shall not include the Company, any of its Subsidiaries, any
          employee benefit plan of the Company or any of its Subsidiaries or any
          Person organized, appointed or established by the Company or any of
          its Subsidiaries for or pursuant to the terms of any such plan.

               "Affiliate" and "Associate" have the respective meanings ascribed
          to such terms in Rule 12b-2 under the Exchange Act as in effect on the
          date hereof.

               A Person shall be deemed the "Beneficial Owner" of, and shall be
          deemed to "beneficially own", any securities:
<PAGE>
 
          (a)  which such Person or any of its Affiliates or Associates,
               directly or indirectly, beneficially owns (as determined pursuant
               to Rule 13d-3 under the Exchange Act as in effect on the date
               hereof);

          (b)  which such Person or any of its Affiliates or Associates,
               directly or indirectly, has

                         (i)  the right to acquire (whether such right is
                    exercisable immediately or only upon the occurrence of
                    certain events or the passage of time or both) pursuant to
                    any agreement, arrangement or understanding (whether or not
                    in writing) or otherwise (other than pursuant to the
                    Rights); provided that a Person shall not be deemed the
                    "Beneficial Owner" of or to "beneficially own" securities
                    tendered pursuant to a tender or exchange offer made by or
                    on behalf of such Person or any of its Affiliates or
                    Associates until such tendered securities are accepted for
                    payment or exchange; or

                        (ii)  the right to vote (whether such right is
                    exercisable immediately or only upon the occurrence of
                    certain events or the passage of time or both) pursuant to
                    any agreement, arrangement or understanding (whether or not
                    in writing) or otherwise; provided that a Person shall not
                    be deemed the "Beneficial Owner" of or to "beneficially own"
                    any security under this clause (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 or consent given in
                    response to a public proxy or consent solicitation made
                    pursuant to the applicable rules and regulations under the
                    Exchange Act and (B) is not also then reportable by such
                    Person on Schedule 13D under the Exchange Act (or any
                    comparable or successor report); or

          (c)  which are beneficially owned, directly or indirectly, by
               any other Person (or any Affiliate or Associate thereof) with
               which such Person or any of its 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

                                       2
<PAGE>
 
               proxy as described in subparagraph (b)(ii) immediately above) or
               disposing of any such securities.

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

               "Close of business" on any given date means 5:00 P.M., New York
          City time, on such date; provided that if such date is not a Business
          Day "close of business" means 5:00 P.M., New York City time, on the
          next succeeding Business Day.

               "Common Stock" means the Common Stock, par value $1.00 per share,
          of the Company, except that, when used with reference to any Person
          other than the Company, "Common Stock" means 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.

               "Continuing Director" means any member of the Board of Directors
          of the Company, while such Person is a member of the Board, who is not
          an Acquiring Person or an Affiliate or Associate of an Acquiring
          Person or a representative or nominee of an Acquiring Person or of any
          such Affiliate or Associate and either (a) was a member of the Board
          immediately prior to the time any Person becomes an Acquiring Person
          or (b) subsequently becomes a member of the Board, if such Person's
          nomination for election or election to the Board is recommended or
          approved by a majority of the Continuing Directors.

               "Distribution Date" means the earlier of (a) the close of
          business on the tenth day (or such later day as may be designated by
          action of a majority of the Continuing Directors) after the Stock
          Acquisition Date and (b) the close of business on the tenth Business
          Day (or such later day as may be designated by action of a majority of
          the Continuing Directors) after the date of the commencement of a
          tender or exchange offer by any Person if, upon consummation thereof,
          such Person would be an Acquiring Person.

               "Exchange Act" means the Securities Exchange Act of 1934, as
          amended.

               "Expiration Date" means the earlier of (a) the Final Expiration
          Date and (b) the time at which all

                                       3
<PAGE>
 
          Rights are redeemed as provided in Section 23 or exchanged as provided
          in Section 24.

               "Final Expiration Date" means the close of business on January 2,
          2006.

               "Person" means an individual, corporation, partnership,
          association, trust or any other entity or organization.

               "Preferred Stock" means the Series D Participating Preferred
          Stock, par value $1.00 per share, of the Company, having the terms set
          forth in the form of certificate of designation attached hereto as
          Exhibit A.

               "Purchase Price" means the price (subject to adjustment as
          provided herein) at which a holder of a Right may purchase one one-
          hundredth of a share of Preferred Stock (subject to adjustment as
          provided herein) upon exercise of a Right, which price shall initially
          be $50.00.

               "Section 11(a)(ii) Event" means any event described in the first
          clause of Section 11(a)(ii).

               "Section 13 Event" means any event described in clauses (x), (y)
          or (z) of Section 13(a).

               "Securities Act" means the Securities Act of 1933, as amended.

               "Stock Acquisition Date" means the date of the first public
          announcement (including the filing of a report on Schedule 13D under
          the Exchange Act (or any comparable or successor report)) by the
          Company or an Acquiring Person indicating that an Acquiring Person has
          become such.

               "Subsidiary" of any Person means any other Person of which
          securities or other ownership interests having ordinary voting power,
          in the absence of contingencies, to elect a majority of the board of
          directors or other Persons performing similar functions are at the
          time directly or indirectly owned by such first Person.

               "Trading Day" means 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.

                                       4
<PAGE>
 
               "Triggering Event" means any Section 11(a)(ii) Event or any
          Section 13 Event.

               Section 2.  Appointment of Rights Agent.  The Company hereby
     appoints the Rights Agent to act as agent for the Company and the holders
     of the Rights 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.
     If the Company appoints one or more Co-Rights Agents, the respective duties
     of the Rights Agent and any Co-Rights Agents shall be as the Company shall
     determine.

               Section 3.  Issue of Right Certificates.  (a)  Prior to the
     Distribution Date, (i) the Rights will be evidenced by the certificates for
     the Common Stock and not by separate Right Certificates (as hereinafter
     defined) and the registered holders of the Common Stock shall be deemed to
     be the registered holders of the associated Rights, and (ii) the Rights
     will be transferable only in connection with the transfer of the underlying
     shares of Common Stock.  As soon as practicable after the Record Date, the
     Company will send a summary of the Rights substantially in the form of
     Exhibit C hereto, by first-class, postage prepaid mail, to each record
     holder of the Common Stock as of the close of business on the Record Date
     at the address of such holder shown on the records of the Company.

               (b)  As soon as practicable after the Company has notified the
     Rights Agent of the occurrence of the Distribution Date, the Rights Agent
     will send, by first-class, insured, postage prepaid mail, to each record
     holder of the Common Stock as of the close of business on the Distribution
     Date, at the address of such holder shown on the records of the Company,
     one or more Right Certificates evidencing one Right (subject to adjustment
     as provided herein) for each share of Common Stock so held.  If an
     adjustment in the number of Rights per share of Common Stock has been made
     pursuant to Section 11(p), the Company shall, at the time of distribution
     of the Right Certificates, make the necessary and appropriate rounding
     adjustments (in accordance with Section 14(a)) so that Right Certificates
     representing only whole numbers of Rights are distributed and cash is paid
     in lieu of any fractional Rights.  From and after the Distribution Date,
     the Rights will be evidenced solely by such Right Certificates.

               (c)  Rights shall be issued in respect of all shares of Common
     Stock outstanding as of the Record Date or issued (on original issuance or
     out of treasury) after the Record Date but prior to the earlier of the
     Distribution Date and the Expiration Date.  In addition, in connection with
     the issuance or sale of shares of Common Stock

                                       5
<PAGE>
 
     following the Distribution Date and prior to the Expiration Date, the
     Company (i) shall, with respect to shares of Common Stock so issued or sold
     (x) pursuant to the exercise of stock options or under any employee plan or
     arrangement or (y) upon the exercise, conversion or exchange of other
     securities issued by the Company prior to the Distribution Date and (ii)
     may, in any other case, if deemed necessary or appropriate by the Board of
     Directors of the Company, issue Right Certificates representing the
     appropriate number of Rights in connection with such issuance or sale;
     provided that no such Right Certificate shall be issued if, and to the
     extent that, (i) 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 Right Certificate would be issued or
     (ii) appropriate adjustment shall otherwise have been made in lieu of the
     issuance thereof.

               (d)  Certificates for the Common Stock issued after the Record
     Date but prior to the earlier of the Distribution Date and the Expiration
     Date shall have impressed on, printed on, written on or otherwise affixed
     to them the following legend:

          This certificate also evidences certain Rights as set forth in a
          Rights Agreement between McDermott International, Inc. and First
          Chicago Trust Company of New York dated as of December 5, 1995 (the
          "Rights Agreement"), the terms of which are hereby incorporated herein
          by reference and a copy of which is on file at the principal executive
          offices of the Company.  The Company will mail to the holder of this
          certificate a copy of the Rights Agreement without charge promptly
          after receipt of a written request therefor.  Under certain
          circumstances, as set forth in the Rights Agreement, such Rights may
          be evidenced by separate certificates and no longer be evidenced by
          this certificate, may be redeemed or exchanged or may expire.  As set
          forth in the Rights Agreement, Rights issued to, or held by, any
          Person who is, was or becomes an Acquiring Person or an Affiliate or
          Associate thereof (as such terms are defined in the Rights Agreement),
          whether currently held by or on behalf of such Person or by any
          subsequent holder, may be null and void.

               Section 4.  Form of Right Certificates.  (a)  The certificates
     evidencing the Rights (and the forms of assignment, election to purchase
     and certificates to be printed on the reverse thereof) (the "Right
     Certificates") shall be substantially in the form of Exhibit B hereto and
     may have such marks of identification or designation and such legends,
     summaries or endorsements printed thereon as

                                       6
<PAGE>
 
     the Company may deem appropriate and as are not inconsistent with the
     provisions of this Agreement, or as may be required to comply with any
     applicable law, rule or regulation or with any rule or regulation of any
     stock exchange on which the Rights may from time to time be listed, or to
     conform to usage.  The Right Certificates, whenever distributed, shall be
     dated as of the Record Date.

               (b)  Any Right Certificate representing Rights beneficially owned
     by any Person referred to in clauses (i), (ii) or (iii) of the first
     sentence of Section 7(d) shall (to the extent feasible) contain the
     following legend:

          The Rights represented by this Right 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).  This Right Certificate and the
          Rights represented hereby may be or may become null and void in the
          circumstances specified in Section 7(d) of such Agreement.

               Section 5.  Countersignature and Registration.  (a)  The Right
     Certificates shall be executed on behalf of the Company by its Chairman of
     the Board, its President or any Vice President, either manually or by
     facsimile signature, and shall have affixed thereto the Company's seal or a
     facsimile thereof which shall be attested by the Secretary or an Assistant
     Secretary of the Company, either manually or by facsimile signature.  The
     Right Certificates shall be manually countersigned by the Rights Agent and
     shall not be valid for any purpose unless so countersigned.  In case any
     officer of the Company whose manual or facsimile signature is affixed to
     the Right Certificates shall cease to be such officer of the Company before
     countersignature by the Rights Agent and issuance and delivery by the
     Company, such Right Certificates may, nevertheless, be countersigned by the
     Rights Agent and issued and delivered with the same force and effect as
     though the Person who signed such Right Certificates had not ceased to be
     such officer of the Company.  Any Right Certificate may be signed on behalf
     of the Company by any Person who, at the actual date of the execution of
     such Right Certificate, shall be a proper officer of the Company to sign
     such Right Certificate, although at the date of the execution of this
     Rights Agreement any such Person was not such an officer.

               (b)  Following the Distribution Date, the Rights Agent will keep
     or cause to be kept, at its principal office or offices designated as the
     place for surrender of Right Certificates upon exercise, transfer or
     exchange, books for registration and transfer of the Right Certificates.
     Such books shall show with respect to each Right Certificate the

                                       7
<PAGE>
 
     name and address of the registered holder thereof, the number of Rights
     indicated on the certificate and the certificate number.

               Section 6.  Transfer and Exchange of Right Certificates;
     Mutilated, Destroyed, Lost or Stolen Right Certificates.  (a)  At any time
     after the Distribution Date and prior to the Expiration Date, any Right
     Certificate or Certificates may, upon the terms and subject to the
     conditions set forth below in this Section 6(a), be transferred or
     exchanged for another Right Certificate or Certificates evidencing a like
     number of Rights as the Right Certificate or Certificates surrendered.  Any
     registered holder desiring to transfer or exchange any Right Certificate or
     Certificates shall surrender such Right Certificate or Certificates (with,
     in the case of a transfer, the form of assignment and 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.  Neither
     the Rights Agent nor the Company shall be obligated to take any action
     whatsoever with respect to the transfer of any such surrendered Right
     Certificate or Certificates until the registered holder of the Rights has
     complied with the requirements of Section 7(e).  Upon satisfaction of the
     foregoing requirements, the Rights Agent shall, subject to Sections 4(b),
     7(d), 14 and 24, countersign and deliver to the Person entitled thereto a
     Right Certificate or Certificates as so requested.  The Company may require
     payment of a sum sufficient to cover any transfer tax or other governmental
     charge that may be imposed in connection with any transfer or exchange of
     any Right Certificate or Certificates.

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

               Section 7.  Exercise of Rights; Purchase Price; Expiration Date
     of Rights.  (a)  The registered holder of any Right Certificate may
     exercise the Rights evidenced thereby (except as otherwise provided herein,
     including Sections 7(d) and (e), 9(c), 11(a) and 24) in whole or in part at
     any time after the Distribution Date and prior to

                                       8
<PAGE>
 
     the Expiration Date upon surrender of the Right 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 (in
     lawful money of the United States of America by certified check or bank
     draft payable to the order of the Company) of the aggregate Purchase Price
     with respect to the Rights then to be exercised and an amount equal to any
     applicable transfer tax or other governmental charge.

               (b)  Upon satisfaction of the requirements of Section 7(a) and
     subject to Section 20(k), the Rights Agent shall thereupon promptly (i)(A)
     requisition from any transfer agent of the Preferred Stock (or make
     available, if the Rights Agent is the transfer agent therefor) certificates
     for the total number of one one-hundredths 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 shares of Preferred Stock issuable upon exercise of
     the Rights with a depositary agent, requisition from the depositary agent
     depositary receipts representing such number of one one-hundredths of a
     share of Preferred Stock as are to be purchased (in which case certificates
     for the shares of Preferred Stock represented by such receipts shall be
     deposited by the transfer agent with the depositary agent) and the Company
     will direct the depositary agent to comply with such request, (ii)
     requisition from the Company the amount of cash, if any, to be paid in lieu
     of issuance of fractional shares in accordance with Section 14 and (iii)
     after receipt of such certificates or depositary receipts and cash, if any,
     cause the same to be delivered to or upon the order of the registered
     holder of such Right Certificate (with such certificates or receipts
     registered in such name or names as may be designated by such holder).  If
     the Company is obligated to deliver Common Stock, other securities or
     assets pursuant to this Agreement, the Company will make all arrangements
     necessary so that such other securities and assets are available for
     delivery by the Rights Agent, if and when appropriate.

               (c)  In case the registered holder of any Right Certificate shall
     exercise less than all the Rights evidenced thereby, a new Right
     Certificate evidencing the number of Rights remaining unexercised shall be
     issued by the Rights Agent and delivered to, or upon the order of, the
     registered holder of such Right Certificate, registered in such name or
     names as may be designated by such holder, subject to the provisions of
     Section 14.

                                       9
<PAGE>
 
               (d)  Notwithstanding anything in this Agreement to the contrary,
     from and after the first occurrence of a Section 11(a)(ii) Event, any
     Rights beneficially owned by (i) an Acquiring Person or an Associate or
     Affiliate of an Acquiring Person, (ii) a transferee of an Acquiring Person
     (or of any such Associate or Affiliate) who becomes a transferee after the
     Acquiring Person becomes such or (iii) a transferee of an Acquiring Person
     (or of any such Associate or Affiliate) who becomes a transferee prior to
     or concurrently with the Acquiring Person becoming such and receives such
     Rights pursuant to either (A) a transfer (whether or not for consideration)
     from the Acquiring Person (or any such Associate or Affiliate) to holders
     of equity interests in such Acquiring Person (or in any such Associate or
     Affiliate) or to any Person with whom the Acquiring Person (or any such
     Associate or Affiliate) has any continuing agreement, arrangement or
     understanding regarding the transferred Rights or (B) a transfer which the
     Continuing Directors have determined is part of a plan, arrangement or
     understanding which has as a primary purpose or effect the avoidance of
     this Section 7(d) shall become null and void without any further action,
     and no holder of such Rights shall have any rights whatsoever with respect
     to such Rights, whether under any provision of this Agreement or otherwise.
     The Company shall use all reasonable efforts to insure that the provisions
     of this Section 7(d) and Section 4(b) are complied with, but shall have no
     liability to any holder of Right Certificates or other Person as a result
     of its failure to make any determinations with respect to an Acquiring
     Person or its Affiliates and Associates or any transferee of any of them
     hereunder.

               (e)  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 of Rights upon the
     occurrence of any purported transfer pursuant to Section 6 or exercise
     pursuant to this Section 7 unless such registered holder (i) shall have
     completed and signed the certificate contained in the form of assignment or
     election to purchase, as the case may be, set forth on the reverse side of
     the Right Certificate surrendered for such transfer or exercise, as the
     case may be, (ii) shall not have indicated an affirmative response to
     clause 1 or 2 thereof and (iii) 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 shall reasonably
     request.

               Section 8.  Cancellation and Destruction of Right Certificates.
     All Right Certificates surrendered for exercise, transfer or exchange
     shall, if surrendered to the Company or to any of its agents, be delivered
     to the Rights

                                       10
<PAGE>
 
     Agent for cancellation or in cancelled form, or, if surrendered to the
     Rights Agent, shall be cancelled by it, and no Right Certificates shall be
     issued in lieu thereof except as expressly permitted by this Agreement.
     The Company shall deliver to the Rights Agent for cancellation, and the
     Rights Agent shall cancel, any other Right Certificate purchased or
     acquired by the Company otherwise than upon the exercise thereof.  The
     Rights Agent shall deliver all cancelled Right Certificates to the Company,
     or shall, at the written request of the Company, destroy such cancelled
     Right Certificates, and in such case shall deliver a certificate of
     destruction thereof to the Company.

               Section 9.  Reservation and Availability of Capital Stock.  (a)
     The Company covenants and agrees that it will cause to be reserved and kept
     available a number of shares of Preferred Stock which are authorized but
     not outstanding or otherwise reserved for issuance sufficient to permit the
     exercise in full of all outstanding Rights as provided in this Agreement.

               (b)  So long as the Preferred Stock issuable upon the exercise of
     Rights may be listed on any national securities exchange, the Company shall
     use its best efforts to cause, from and after such time as the Rights
     become exercisable, all securities reserved for such issuance to be listed
     on any such exchange upon official notice of issuance upon such exercise.

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

                                       11
<PAGE>
 
     it to become effective.  Upon any such suspension, the Company shall issue
     a public announcement stating that the exercisability of the Rights has
     been temporarily suspended, as well as a public announcement at such time
     as the suspension is no longer in effect.  Notwithstanding any such
     provision of this Agreement to the contrary, the Rights shall not be
     exercisable for securities in any jurisdiction if the requisite
     qualification in such jurisdiction shall not have been obtained, such
     exercise therefor shall not be permitted under applicable law or a
     registration statement in respect of such securities shall not have been
     declared effective.

               (d)  The Company covenants and agrees that it will take all such
     action as may be necessary to insure that all one one-hundredths of a share
     of Preferred Stock issuable upon exercise of Rights shall, at the time of
     delivery of the certificates for such securities (subject to payment of the
     Purchase Price), be duly and validly authorized and issued and fully paid
     and nonassessable.

               (e)  The Company further covenants and agrees that it will pay
     when due and payable any and all federal and state transfer taxes and other
     governmental charges which may be payable in respect of the issuance or
     delivery of the Right Certificates and of any certificates for Preferred
     Stock upon the exercise of Rights.  The Company shall not, however, be
     required to pay any transfer tax or other governmental charge which may be
     payable in respect of any transfer involved in the issuance or delivery of
     any Right Certificates or of any certificates for Preferred Stock to a
     Person other than the registered holder of the applicable Right
     Certificate, and prior to any such transfer, issuance or delivery any such
     tax or other governmental charge shall have been paid by the holder of such
     Right Certificate or it shall have been established to the Company's
     satisfaction that no such tax or other governmental charge is due.

               Section 10.  Preferred Stock Record Date.  Each Person (other
     than the Company) in whose name any certificate for Preferred Stock is
     issued upon the exercise of Rights shall for all purposes be deemed to have
     become the holder of record of such Preferred Stock represented thereby on,
     and such certificate shall be dated, the date upon which the Right
     Certificate evidencing such Rights was duly surrendered and payment of the
     Purchase Price (and any transfer taxes or other governmental charges) was
     made; provided that if the date of such surrender and payment is a date
     upon which the transfer books of the Company relating to the Preferred
     Stock are closed, such Person shall be deemed to have become the record
     holder of such shares on, and such certificate shall be dated, the next
     succeeding Business Day on which the applicable transfer books of the

                                       12
<PAGE>
 
     Company are open.  Prior to the exercise of the Rights evidenced thereby,
     the holder of a Right Certificate shall not be entitled to any rights of a
     stockholder of the Company with respect to shares for which the Rights
     shall be exercisable, including 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.  (a)(i)  If the Company shall at any time after
     the date of this Agreement (A) pay a dividend on the Preferred Stock
     payable in shares of Preferred Stock, (B) subdivide the outstanding
     Preferred Stock into a greater number of shares, (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 involving the Company), the Purchase Price in
     effect immediately prior to the record date for such dividend or of the
     effective date of such subdivision, combination or reclassification, and
     the number and kind of shares of Preferred Stock or other capital stock
     issuable on such date shall be proportionately adjusted so that each holder
     of a Right shall (except as otherwise provided herein, including Section
     7(d)) thereafter be entitled to receive, upon exercise thereof at the
     Purchase Price in effect immediately prior to such date, the aggregate
     number and kind of shares of Preferred Stock or other 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 applicable transfer books of the Company
     were open, such holder would have been entitled to receive upon such
     exercise and by virtue of such dividend, subdivision, combination or
     reclassification.  If an event occurs which requires an adjustment under
     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)  If any Person, alone or together with its Affiliates and
     Associates, shall, at any time after the date of this Agreement, become an
     Acquiring Person, then proper provision shall promptly be made so that each
     holder of a Right shall (except as otherwise provided herein, including
     Section 7(d)) thereafter be entitled to receive, upon exercise thereof at
     the Purchase Price in effect immediately prior to the first occurrence of a
     Section 11(a)(ii) Event, in lieu of Preferred Stock, such number of duly
     authorized, validly issued, fully paid and nonassessable shares of Common
     Stock of the Company (such shares being referred to

                                       13
<PAGE>
 
     herein as the "Adjustment Shares") as shall be equal to the result obtained
     by dividing

               (x)  the product obtained by multiplying the Purchase Price in
          effect immediately prior to the first occurrence of a Section
          11(a)(ii) Event by the number of one one-hundredths of a share of
          Preferred Stock for which a Right was exercisable immediately prior to
          such first occurrence (such product being thereafter referred to as
          the "Purchase Price" for each Right and for all purposes of this
          Agreement) by

               (y)  50% of the current market price (determined pursuant to
          Section 11(d)(i)) per share of Common Stock on the date of such first
          occurrence;

     provided that if the transaction that would otherwise give rise to the
     foregoing adjustment is also subject to the provisions of Section 13, then
     only the provisions of Section 13 shall apply and no adjustment shall be
     made pursuant to this Section 11(a)(ii).

              (iii)  If the number of shares of Common Stock which are
     authorized by the Company's articles of incorporation but not outstanding
     or reserved for issuance other than upon exercise of the Rights is not
     sufficient to permit the exercise in full of the Rights in accordance with
     Section 11(a)(ii), the Company shall, with respect to each Right, make
     adequate provision to substitute for the Adjustment Shares, upon payment of
     the Purchase Price then in effect, (A) (to the extent available) Common
     Stock and then, (B) (to the extent available) other equity securities of
     the Company which a majority of the Continuing Directors has determined to
     be essentially equivalent to shares of Common Stock in respect to dividend,
     liquidation and voting rights (such securities being referred to herein as
     "common stock equivalents") and then, if necessary, (C) other equity or
     debt securities of the Company, cash or other assets, a reduction in the
     Purchase Price or any combination of the foregoing, having an aggregate
     value (as determined by the Continuing Directors based upon the advice of a
     nationally recognized investment banking firm selected by the Continuing
     Directors) equal to the value of the Adjustment Shares; provided that (x)
     the Company may, and (y) if the Company shall not have made adequate
     provision as required above to deliver value within 30 days following the
     later of the first occurrence of a Section 11(a)(ii) Event and the first
     date that the right to redeem the Rights pursuant to Section 23 shall
     expire, then the Company shall be obligated to, deliver, upon the surrender
     for exercise of a Right and without requiring payment of the Purchase
     Price, (1) (to the extent available) Common Stock and then (2) (to the
     extent available) common stock equivalents and then, if necessary,

                                       14
<PAGE>
 
     (3) other equity or debt securities of the Company, cash or other assets or
     any combination of the foregoing, having an aggregate value (as determined
     by the Continuing Directors based upon the advice of a nationally
     recognized investment banking firm selected by the Continuing Directors)
     equal to the excess of the value of the Adjustment Shares over the Purchase
     Price.  If the Continuing Directors of the Company shall determine in good
     faith that it is likely that sufficient additional shares of Common Stock
     could be authorized for issuance upon exercise in full of the Rights, the
     30 day period set forth above (such period, as it may be extended, being
     referred to herein as the "Substitution Period") may be extended to the
     extent necessary, but not more than 90 days following the first occurrence
     of a Section 11(a)(ii) Event, in order that the Company may seek
     stockholder approval for the authorization of such additional shares.  To
     the extent that the Company determines that some action is to be taken
     pursuant to the first and/or second sentence of this Section 11(a)(iii),
     the Company (X) shall provide, subject to Section 7(d), 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 and value of any consideration to be delivered
     as referred to in such first and/or second sentence.  If any such
     suspension occurs, 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 Common Stock
     (as determined pursuant to Section 11(d)) on the later of the date of the
     first occurrence of a Section 11(a)(ii) Event and the first date that the
     right to redeem the Rights pursuant to Section 23 shall expire; any common
     stock equivalent shall be deemed to have the same value as the Common Stock
     on such date; and the value of other securities or assets shall be
     determined pursuant to Section 11(d)(iii).

               (b)  In case the Company shall fix a record date for the issuance
     of rights, options or warrants to all holders of Preferred Stock entitling
     them to subscribe for or purchase (for a period expiring within 45 calendar
     days after such record date) Preferred Stock (or securities having the same
     rights, privileges and preferences as the shares of Preferred Stock
     ("equivalent preferred stock")) or securities convertible into or
     exercisable for Preferred Stock (or equivalent preferred stock) at a price
     per share of Preferred Stock (or equivalent preferred stock) (in each case,
     taking account of any conversion or exercise price) less than the current
     market price (as determined pursuant

                                       15
<PAGE>
 
     to Section 11(d)) 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 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 price (taking account of any
     conversion or exercise price) of the total number of shares of Preferred
     Stock (and/or equivalent preferred stock) 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) so to be offered.  In case such subscription price may be
     paid by delivery of consideration part or all of which shall be in a form
     other than cash, the value of such consideration shall be as determined in
     good faith by the Board of Directors of the Company, whose determination
     shall be described in a statement filed with the Rights Agent and shall be
     conclusive for all purposes.  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 if such rights,
     options or warrants are not so issued, the Purchase Price shall be adjusted
     to be the Purchase Price which would then be in effect if such record date
     had not been fixed.

               (c)  In case the Company shall fix a record date for the making
     of a distribution to all holders of Preferred Stock (including any such
     distribution made in connection with a consolidation or merger involving
     the Company) of evidences of indebtedness, equity securities other than
     Preferred Stock, assets (other than a regular periodic cash dividend out of
     the earnings or retained earnings of the Company) or rights, options or
     warrants (excluding those referred to in Section 11(b)), the Purchase Price
     to be in effect after such record date shall be determined by multiplying
     the Purchase Price in effect immediately prior to such record date by a
     fraction, the numerator of which shall be the current market price (as
     determined pursuant to Section 11(d)) per share of Preferred Stock on such
     record date, less the value (as determined pursuant to Section 11(d)(iii))
     of such evidences of indebtedness, equity securities, assets, rights,
     options or warrants so to be distributed with respect to one share of
     Preferred Stock and the denominator of which shall be such current market
     price per share of Preferred Stock.  Such adjustment shall be made
     successively whenever such a record date is fixed, and if such distribution
     is not so made, the Purchase Price shall

                                       16
<PAGE>
 
     be adjusted to be the Purchase Price which would then be in effect if such
     record date had not been fixed.

               (d)(i)  For the purpose of any computation hereunder other than
     computations made pursuant to Section 11(a)(iii) or 14, 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
     30 consecutive Trading Days immediately prior to such date; 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
     10 consecutive Trading Days immediately following such date; and for
     purposes of computations made pursuant to Section 14, the "current market
     price" per share of Common Stock for any Trading Day shall be deemed to be
     the closing price per share of Common Stock for such Trading Day; provided
     that if the current market price per share of the Common Stock is
     determined during a period following the announcement by the issuer of such
     Common Stock of (A) a dividend or distribution on such Common Stock payable
     in shares of such Common Stock or securities exercisable for or convertible
     into shares of such Common Stock (other than the Rights), or (B) any
     subdivision, combination or reclassification of such Common Stock, and
     prior to the expiration of the requisite 30 Trading Day or 10 Trading Day
     period, as set forth above, after the ex-dividend date for such dividend or
     distribution, or the record date for such subdivision, combination or
     reclassification, then, and in each such case, the "current market price"
     shall be properly adjusted to take into account ex-dividend trading.  The
     closing price for each day shall be the last sale price, regular way, or,
     in case no such sale takes place on such day, the average of the closing
     bid and asked prices, regular way, in either case as reported in the
     principal consolidated transaction reporting system with respect to
     securities listed or admitted to trading on the New York Stock Exchange or,
     if the shares of Common Stock are not listed or admitted to trading on the
     New York Stock Exchange, on the principal national securities exchange on
     which the shares of Common Stock are listed or admitted to trading or, if
     the shares of Common Stock are not listed or admitted to trading on any
     national securities exchange, the last quoted price or, if not so quoted,
     the average of the high bid and low asked prices in the over-the-counter
     market, as reported by the National Association of Securities Dealers, Inc.
     Automated Quotation System ("NASDAQ") or such other system then in use or,
     if on any such date the shares of Common Stock are not quoted by any such
     organization, the average of the closing bid and asked prices as furnished
     by a professional market maker making a market in the Common Stock selected
     by the Board of

                                       17
<PAGE>
 
     Directors of the Company, or, if at the time of such selection there is an
     Acquiring Person, by a majority of the Continuing Directors.  If on any
     such date no market maker is making a market in the Common Stock, the fair
     value of such shares on such date as determined in good faith by the Board
     of Directors of the Company (or, if at the time of such determination there
     is an Acquiring Person, by a majority of the Continuing Directors) shall be
     used.  If the Common Stock is not publicly held or not so listed or traded,
     the "current market price" per share means the fair value per share as
     determined in good faith by the Board of Directors of the Company, or, if
     at the time of such determination there is an Acquiring Person, by a
     majority of the Continuing Directors, or if there are no Continuing
     Directors, by a nationally recognized investment banking firm selected by
     the Board of Directors, which 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 Section 11(d)(i) (other
     than the last sentence thereof).  If the current market price per share of
     Preferred Stock cannot be determined in such manner, the "current market
     price" per share of Preferred Stock shall be conclusively deemed to be an
     amount equal to 100 (as such number may be appropriately adjusted for such
     events as stock splits, stock dividends and recapitalizations with respect
     to the Common Stock occurring after the date of this Agreement) multiplied
     by the current market price per share of Common Stock (as determined
     pursuant to Section 11(d)(i) (other than the last sentence thereof)).  If
     neither the Common Stock nor the Preferred Stock is publicly held or so
     listed or traded, the "current market price" per share of the Preferred
     Stock shall be determined in the same manner as set forth in the last
     sentence of Section 11(d)(i).  For all purposes of this Agreement, the
     "current market price" of one one-hundredth of a share of Preferred Stock
     shall be equal to the "current market price" of one share of Preferred
     Stock divided by 100.

             (iii)  For the purpose of any computation hereunder, the value of
     any securities or assets other than Common Stock or Preferred Stock shall
     be the fair value as determined in good faith by the Board of Directors of
     the Company, or, if at the time of such determination there is an Acquiring
     Person, by a majority of the Continuing Directors then in office, or, if
     there are no Continuing Directors, by a nationally recognized investment
     banking firm selected by the Board of Directors, which determination

                                       18
<PAGE>
 
     shall be described in a statement filed with the Rights Agent and shall be
     conclusive for all purposes.

               (e)  Anything herein to the contrary notwithstanding, no
     adjustment in the Purchase Price shall be required unless such adjustment
     would require an increase or decrease of at least 1% in the Purchase Price;
     provided that any adjustments which by reason of this Section 11(e) are not
     required to be made shall be carried forward and taken into account in any
     subsequent adjustment.  All calculations under this Section 11 shall be
     made to the nearest cent or to the nearest ten-thousandth of a share of
     Common Stock or other share or one-millionth of a share of Preferred Stock,
     as the case may be.

               (f)  If at any time, as a result of an adjustment made pursuant
     to Section 11(a)(ii) or Section 13(a), the holder of any Right shall be
     entitled to receive upon exercise of such Right 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 Section 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)  All Rights originally issued by the Company subsequent to
     any adjustment made hereunder shall evidence the right to purchase, at the
     Purchase Price then in effect, the then applicable number of one one-
     hundredths of a share of Preferred Stock and other capital stock of the
     Company issuable from time to time hereunder upon exercise of the Rights,
     all subject to further adjustment as provided herein.

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

                                       19
<PAGE>
 
               (i)  The Company may elect on or after the date of any adjustment
     of the Purchase Price to adjust the number of Rights, in lieu of any
     adjustment in the number of one one-hundredths of a share of Preferred
     Stock issuable upon the exercise of a Right.  Each of the Rights
     outstanding after such adjustment of the number of Rights shall be
     exercisable for the number of one one-hundredths of a share of Preferred
     Stock for which such Right was exercisable immediately prior to such
     adjustment.  Each Right held of record prior to such adjustment of the
     number of Rights shall become that number of Rights (calculated to the
     nearest ten-thousandth) obtained by dividing the Purchase Price in effect
     immediately prior to adjustment of the Purchase Price by the Purchase Price
     in effect immediately after adjustment of the Purchase Price.  The Company
     shall make a public announcement of its election to adjust the number of
     Rights, indicating the record date for the adjustment, and, if known at the
     time, the amount of the adjustment to be made.  This record date may be the
     date on which the Purchase Price is adjusted or any day thereafter, but, if
     the Right Certificates have been issued, shall be at least 10 days later
     than the date of the public announcement.  If Right Certificates have been
     issued, upon each adjustment of the number of Rights pursuant to this
     Section 11(i), the Company shall, as promptly as practicable, cause to be
     distributed to holders of record of Right Certificates on such record date
     Right Certificates evidencing, subject to Section 14, the additional Rights
     to which such holders shall be entitled as a result of such adjustment, or,
     at the option of the Company, shall cause to be distributed to such holders
     of record in substitution and replacement for the Right Certificates held
     by such holders prior to the date of adjustment, and upon surrender
     thereof, if required by the Company, new Right Certificates evidencing all
     the Rights to which such holders shall be entitled after such adjustment.
     Right Certificates so to be distributed shall be issued, executed and
     countersigned in the manner provided for herein (and 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 Right Certificates on the record
     date specified in the public announcement.

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

                                       20
<PAGE>
 
               (k)  Before taking any action that would cause an adjustment
     reducing the Purchase Price below the par value, if any, of the number of
     one one-hundredths of a share of Preferred Stock issuable upon exercise of
     the Rights, the Company shall take any corporate action which may, in the
     opinion of its counsel, be necessary in order that the Company may validly
     and legally issue fully paid and nonassessable such number of one one-
     hundredths of a share of Preferred Stock at such adjusted Purchase Price.

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

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

               (n)  The Company covenants and agrees that it will not at any
     time after the Distribution Date (i) consolidate, merge or otherwise
     combine with or (ii) sell or otherwise transfer (and/or permit any of its
     Subsidiaries to sell or otherwise transfer), in one transaction or a series
     of related transactions, assets or earning power aggregating more than 50%
     of the assets or earning power of the Company and its Subsidiaries, taken
     as a whole, to any other Person or Persons if (x) at the time of or
     immediately after such consolidation, merger, combination or sale there are
     any rights, warrants or other instruments or securities

                                       21
<PAGE>
 
     outstanding or any agreements or arrangements 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, combination or sale, the stockholders of
     a Person who constitutes, or would constitute, the "Principal Party" for
     the purposes of Section 13 shall have received a distribution of Rights
     previously owned by such Person or any of its Affiliates and Associates.

               (o)  The Company covenants and agrees that after the Distribution
     Date, it will not, except as permitted by Sections 23, 24 and 27, 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 substantially
     diminish or otherwise eliminate the benefits intended to be afforded by the
     Rights.

               (p)  Notwithstanding anything in this Agreement to the contrary,
     if at any time after the date hereof and prior to the Distribution Date the
     Company shall (i) pay a dividend on the outstanding shares of Common Stock
     payable in shares of Common Stock, (ii) subdivide the outstanding Common
     Stock into a larger number of shares or (iii) combine the outstanding
     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 as contemplated by Section 3(c), shall be
     proportionately adjusted so that the number of Rights thereafter associated
     with each share of Common Stock following any such event shall equal the
     result obtained by multiplying the number of Rights associated with each
     share of Common Stock immediately prior to such event by a fraction the
     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.

               Section 12.  Certificate of Adjusted Purchase Price or Number of
     Shares.  Whenever an adjustment is made as provided in Sections 11 and 13,
     the Company shall (a) promptly prepare a certificate setting forth such
     adjustment and a brief statement of the facts accounting for such
     adjustment, (b) promptly file with the Rights Agent and with each transfer
     agent for the Preferred Stock and the Common Stock a copy of such
     certificate and (c) mail a brief summary thereof to each holder of a Right
     Certificate (or, if prior to the Distribution Date, to each holder of a
     certificate representing shares of Common Stock) in the manner set forth in
     Section 26.  The Rights Agent shall be fully protected in relying on any
     such certificate and on any adjustment therein contained.

                                       22
<PAGE>
 
               Section 13.  Consolidation, Merger or Sale or Transfer of Assets
     or Earning Power.  (a)  If, following the Stock Acquisition Date, directly
     or indirectly,

               (x)  the Company shall consolidate with, merge into, or otherwise
          combine with, any other Person, and the Company shall not be the
          continuing or surviving corporation of such consolidation, merger or
          combination,

               (y)  any Person shall merge into, or otherwise combine with, the
          Company, and the Company shall be the continuing or surviving
          corporation of such merger or combination and, in connection with such
          merger or combination, all or part of the outstanding shares of Common
          Stock shall be changed into or exchanged for other stock or securities
          of the Company or any other Person, cash or any other property, or

               (z)  the Company and/or one or more of its Subsidiaries shall
          sell or otherwise transfer, in one transaction or a series of related
          transactions, assets or earning power aggregating more than 50% of the
          assets or earning power of the Company and its Subsidiaries, taken as
          a whole, to any other Person or Persons,

     then, and in each such case, proper provision shall promptly be made so
     that

               (1)  each holder of a Right shall thereafter be entitled to
     receive, upon exercise thereof at the Purchase Price in effect immediately
     prior to the first occurrence of any Triggering Event, such number of duly
     authorized, validly issued, fully paid and nonassessable shares of freely
     tradeable Common Stock of the Principal Party (as hereinafter defined), not
     subject to any rights of call or first refusal, liens, encumbrances or
     other claims, as shall be equal to the result obtained by dividing

               (A)  the product obtained by multiplying the Purchase Price in
          effect immediately prior to the first occurrence of any Triggering
          Event by the number of one one-hundredths of a share of Preferred
          Stock for which a Right was exercisable immediately prior to such
          first occurrence (such product being thereafter referred to as the
          "Purchase Price" for each Right and for all purposes of this
          Agreement) by

               (B)  50% of the current market price (determined pursuant to
          Section 11(d)(i)) per share of the Common Stock of such Principal
          Party on the date of

                                       23
<PAGE>
 
          consummation of such consolidation, merger, combination, sale or
          transfer;

               (2)  the Principal Party shall thereafter be liable for, and
     shall assume, by virtue of such consolidation, merger, combination, sale or
     transfer, all the obligations and duties of the Company pursuant to this
     Agreement;

               (3)  the term "Company" shall thereafter be deemed to refer to
     such Principal Party, it being specifically intended that the provisions of
     Section 11 shall apply only to such Principal Party following the first
     occurrence of a Section 13 Event; and

               (4)  such Principal Party shall take such steps (including the
     authorization and reservation of a sufficient number of shares of its
     Common Stock to permit exercise of all outstanding Rights in accordance
     with this Section 13(a)) 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
     the shares of its Common Stock thereafter deliverable upon the exercise of
     the Rights.

               (b)  "Principal Party" means

               (i)  in the case of any transaction described in Section 13(a)(x)
          or (y), the Person that is the issuer of any securities into which
          shares of Common Stock of the Company are converted in such merger,
          consolidation or combination, and if no securities are so issued, the
          Person that survives or results from such merger, consolidation or
          combination; and

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

     provided that in any such case, (A) if the Common Stock of such Person is
     not at such time and has not been continuously over the preceding 12-month
     period registered under Section 12 of the Exchange Act, and such Person is
     a direct or indirect Subsidiary of another Person the Common Stock of which
     is and has been so registered, "Principal Party" shall refer to such other
     Person; and (B) 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

                                       24
<PAGE>
 
     refer to whichever of such Persons is the issuer of the Common Stock having
     the greatest aggregate market value.

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

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

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

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

               Section 14.  Fractional Rights and Fractional Shares.  (a)  The
     Company shall not be required to issue fractions of Rights, except prior to
     the Distribution Date as provided in Section 11(p), or to distribute Right
     Certificates which evidence fractional Rights.  In lieu of any such
     fractional Rights, the Company shall pay to the registered holders of the
     Right Certificates with regard to which such fractional Rights would
     otherwise be issuable an amount in cash equal to the same fraction of the
     current market price of a whole Right.  For purposes of this Section 14(a),
     the current market price of a whole Right shall be the closing price of a
     Right for the Trading Day immediately prior to the date on which such
     fractional Rights would

                                       25
<PAGE>
 
     otherwise have been issuable.  The closing price of a Right for any day
     shall be the last sale price, regular way, or, in case no such sale takes
     place on such day, the average of the closing bid and asked prices, regular
     way, in either case as reported in the principal consolidated transaction
     reporting system with respect to securities listed or admitted to trading
     on the New York Stock Exchange or, if the Rights are not listed or admitted
     to trading on the New York Stock Exchange, on the principal national
     securities exchange on which the Rights are listed or admitted to trading
     or, if the Rights are not listed or admitted to trading on any national
     securities exchange, the last quoted price, or, if not so quoted, the
     average of the high bid and low asked prices in the over-the-counter
     market, as reported by NASDAQ or such other system then in use or, if on
     any such date the Rights are not quoted by any such organization, the
     average of the closing bid and asked prices as furnished by a professional
     market maker making a market in the Rights selected by the Board of
     Directors of the Company, or, if at the time of such selection there is an
     Acquiring Person, by a majority of the Continuing Directors.  If on any
     such date no such market maker is making a market in the Rights, the
     current market price of the Rights on such date shall be as determined in
     good faith by the Board of Directors of the Company, or, if at the time of
     such determination there is an Acquiring Person, by a majority of the
     Continuing Directors.

               (b)  The Company shall not be required to issue fractions of
     shares of Preferred Stock (other than fractions which are multiples of one
     one-hundredth of a share of Preferred Stock) upon exercise of the Rights or
     to distribute certificates which evidence fractional shares of Preferred
     Stock (other than fractions which are multiples of one one-hundredth of a
     share of Preferred Stock).  In lieu of any such fractional shares of
     Preferred Stock, the Company shall pay to the registered holders of Right
     Certificates at the time such Rights are exercised as herein provided an
     amount in cash equal to the same fraction of the current market price of
     one one-hundredth of a share of Preferred Stock.  For purposes of this
     Section 14(b), the current market price of one one-hundredth of a share of
     Preferred Stock shall be one one-hundredth of the closing price of a share
     of Preferred Stock (as determined pursuant to Section 11(d)) for the
     Trading Day immediately prior to the date of such exercise.

               (c)  Following the occurrence of any Triggering Event or upon any
     exchange pursuant to Section 24, 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

                                       26
<PAGE>
 
     Company shall pay to the registered holders of Right Certificates at the
     time such Rights are exercised or exchanged as herein provided an amount in
     cash equal to the same fraction of the current market price of a share of
     Common Stock.  For purposes of this Section 14(c), the current market price
     of a share of Common Stock shall be the closing price of a share of Common
     Stock (as determined pursuant to Section 11(d)(i)) for the Trading Day
     immediately prior to the date of such exercise or exchange.

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

               Section 15.  Rights of Action.  All rights of action in respect
     of this Agreement are vested in the respective registered holders of the
     Right Certificates (and, prior to the Distribution Date, the registered
     holders of certificates representing Common Stock); and any registered
     holder of any Right Certificate (or, prior to the Distribution Date, of any
     certificate representing Common Stock), without the consent of the Rights
     Agent or of the holder of any other Right Certificate (or, prior to the
     Distribution Date, of any certificate representing Common Stock), may, in
     his own behalf and for his own benefit, enforce, and may institute and
     maintain any suit, action or proceeding against the Company to enforce, or
     otherwise act in respect of, his right to exercise the Rights evidenced by
     such Right Certificate in the manner provided in such Right Certificate and
     in this Agreement.  Without limiting the foregoing or any remedies
     available to the holders of Rights, it is specifically acknowledged that
     the holders of Rights would not have an adequate remedy at law for any
     breach of this Agreement and will be entitled to specific performance of
     the obligations under, and injunctive relief against actual or threatened
     violations of the obligations of, any Person subject to this Agreement.

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

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

               (b)  after the Distribution Date, the Right Certificates are
     transferable only on the registry books of the Rights Agent if surrendered
     at the principal office or offices of the Rights Agent designated for such
     purposes, duly endorsed or accompanied by a proper instrument of

                                       27
<PAGE>
 
     transfer and with the appropriate forms and certificates fully executed;

               (c)  subject to Sections 6 and 7, the Company and the Rights
     Agent may deem and treat the Person in whose name a Right Certificate (or,
     prior to the Distribution Date, a certificate representing shares of Common
     Stock) is registered as the absolute owner thereof and of the Rights
     evidenced thereby (notwithstanding any notations of ownership or writing on
     the Right Certificate or the certificate representing shares of Common
     Stock 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(d), shall be affected by any notice to
     the contrary; and

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

               Section 17.  Right Certificate Holder Not Deemed a Stockholder.
     No holder, as such, of any Right Certificate shall be entitled to vote,
     receive dividends or be deemed for any purpose the holder of the shares of
     capital stock which may at any time be issuable on the exercise of the
     Rights represented thereby, nor shall anything contained herein or in any
     Right Certificate be construed to confer upon the holder of any Right
     Certificate, as such, any of the rights of a stockholder of the Company or
     any right to vote for the election of directors or upon any matter
     submitted to stockholders at any meeting thereof, or to give or withhold
     consent to any corporate action, or to receive notice of meetings or other
     actions affecting stockholders (except as provided in Section 25), or to
     receive dividends or subscription rights, or otherwise, until the Right or
     Rights evidenced by such Right Certificate shall have been exercised in
     accordance with the provisions hereof.

               Section 18.  Concerning the Rights Agent.  (a)  The Company
     agrees to pay to the Rights Agent reasonable compensation for all services
     rendered by it hereunder and, from time to time, on demand of the Rights
     Agent, its

                                       28
<PAGE>
 
     reasonable expenses and counsel fees and disbursements and other
     disbursements incurred in the execution or administration of this Agreement
     and the exercise and performance of its duties hereunder.  The Company also
     agrees to indemnify the Rights Agent for, and to hold it harmless against,
     any loss, liability, or expense, incurred without negligence, bad faith or
     willful misconduct on the part of the Rights Agent, for anything done or
     omitted by the Rights Agent in connection with the administration of this
     Agreement or the exercise or performance of its duties hereunder, including
     the costs and expenses of defending against any claim of liability.

               (b)  The Rights Agent shall be protected and shall incur no
     liability for or in respect of any action taken, suffered or omitted by it
     in connection with the administration of this Agreement or the exercise or
     performance of its duties hereunder in reliance upon any Right 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, instruction, direction, consent, certificate,
     statement, or other paper or document believed by it to be genuine and to
     be signed, executed and, where necessary, verified or acknowledged, by the
     proper Person or Persons.

               Section 19.  Merger or Consolidation or Change of Name of Rights
     Agent.  (a)  Any corporation into which the Rights Agent or any successor
     Rights Agent may be merged or with which it may be consolidated, or any
     corporation resulting from any merger or consolidation to which the Rights
     Agent or any successor Rights Agent shall be a party, or any corporation
     succeeding to the corporate trust or stock transfer business of the Rights
     Agent or any successor Rights Agent, shall be the successor to the Rights
     Agent under this Agreement without the execution or filing of any paper or
     any further act on the part of any of the parties hereto; provided that
     such corporation would be eligible for appointment as a successor Rights
     Agent under the provisions of Section 21.  In case at the time such
     successor Rights Agent shall succeed to the agency created by this
     Agreement, any of the Right Certificates shall have been countersigned but
     not delivered, any such successor Rights Agent may adopt the
     countersignature of a predecessor Rights Agent and deliver such Right
     Certificates so countersigned; and in case at that time any of the Right
     Certificates shall not have been countersigned, any successor Rights Agent
     may countersign such Right Certificates either in the name of the
     predecessor Rights Agent or in the name of the successor Rights Agent; and
     in all such cases such Right Certificates shall have the full force
     provided in the Right Certificates and in this Agreement.

                                       29
<PAGE>
 
               (b)  In case at any time the name of the Rights Agent shall be
     changed and at such time any of the Right Certificates shall have been
     countersigned but not delivered, the Rights Agent may adopt the
     countersignature under its prior name and deliver Right Certificates so
     countersigned; and in case at that time any of the Right Certificates shall
     not have been countersigned, the Rights Agent may countersign such Right
     Certificates either in its prior name or in its changed name; and in all
     such cases such Right Certificates shall have the full force provided in
     the Right Certificates and in this Agreement.

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

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

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

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

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

                                       30
<PAGE>
 
               (e)  The Rights Agent shall not be under any responsibility in
     respect of the validity of this Agreement or the execution and delivery
     hereof (except the due execution hereof by the Rights Agent) or in respect
     of the validity or execution of any Right Certificate (except its
     countersignature thereof); nor shall it be responsible for any breach by
     the Company of any covenant or condition contained in this Agreement or in
     any Right Certificate; nor shall it be responsible for any change in the
     exercisability of the Rights (including the Rights becoming void pursuant
     to Section 7(d)) or any adjustment in the terms of the Rights (including
     the manner, method or amount thereof) provided for in Sections 3, 11, 13,
     23 or 24, or the ascertaining of the existence of facts that would require
     any such adjustment (except with respect to the exercise of Rights
     evidenced by Right 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 Right Certificate or as to whether any shares of Common
     Stock or Preferred Stock will, when issued, be duly authorized, validly
     issued, fully paid and nonassessable.

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

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

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

                                       31
<PAGE>
 
               (i)  The Rights Agent may execute and exercise any of the rights
     or powers hereby vested in it or perform any duty hereunder either itself
     or by or through its attorneys or agents, and the Rights Agent shall not be
     answerable or accountable for any act, default, neglect or misconduct of
     any such attorneys or agents or for any loss to the Company or to any
     holders of Rights resulting from any such act, default, neglect or
     misconduct, provided that reasonable care was exercised in the selection
     and continued employment thereof.

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

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

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

                                       32
<PAGE>
 
     apply to any court of competent jurisdiction for the appointment of a new
     Rights Agent.  Any successor Rights Agent, whether appointed by the Company
     or by such a court, shall be (a) a corporation organized and doing business
     under the laws of the United States or of any state of the United States,
     in good standing, having a principal office in the State of New York, which
     is authorized under such laws to exercise stock transfer or corporate trust
     powers and is subject to supervision or examination by federal or state
     authority and which has at the time of its appointment as Rights Agent a
     combined capital and surplus of at least $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, subsequent to the
     Distribution Date, mail a notice thereof in writing to the registered
     holders of the Right Certificates.  Failure to give any notice provided for
     in this Section 21, 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 Right Certificates.  Notwithstanding
     any of the provisions of this Agreement or of the Rights to the contrary,
     the Company may, at its option, issue new Right Certificates evidencing
     Rights in such form as may be approved by its Board of Directors to reflect
     any adjustment or change in the Purchase Price and the number or kind or
     class of shares of stock issuable upon exercise of the Rights made in
     accordance with the provisions of this Agreement.

               Section 23.  Redemption.  (a)  The Board of Directors of the
     Company may, at its option, at any time prior to the earlier of (i) the
     close of business on the tenth day after the Stock Acquisition Date (or
     such later date as a majority of the Continuing Directors may designate
     prior to such time as the Rights are no longer redeemable) and (ii) the
     Final Expiration Date, redeem all but not less than all the then
     outstanding Rights at a redemption price of $.01 per Right, as such amount
     may be appropriately adjusted to reflect any stock split, stock dividend or
     similar transaction occurring after the date hereof (such

                                       33
<PAGE>
 
     redemption price being hereinafter referred to as the "Redemption Price");
     provided that after any Person has become an Acquiring Person, any
     redemption of the Rights shall be effective only if there are Continuing
     Directors then in office, and such redemption shall have been approved by a
     majority of such Continuing Directors.  Notwithstanding anything in this
     Agreement to the contrary, the Rights shall not be exercisable after the
     first occurrence of a Section 11(a)(ii) Event until such time as the
     Company's right of redemption hereunder has expired.

               (b)  Immediately upon the action of the Board of Directors of the
     Company electing to redeem the Rights and without any further action and
     without any notice, the right to exercise the Rights will terminate and
     thereafter the only right of the holders of Rights shall be to receive the
     Redemption Price for each Right so held.  The Company shall promptly
     thereafter give notice of such redemption to the Rights Agent and the
     holders of the Rights in the manner set forth in Section 26; provided that
     the failure to give, or any defect in, such notice shall not affect the
     validity of such redemption.  Any notice which is mailed in the manner
     herein provided shall be deemed given, whether or not the holder receives
     the notice.  Each such notice of redemption will state the method by which
     the payment of the Redemption Price will be made.  Neither the Company nor
     any of its Affiliates or Associates may redeem, acquire or purchase for
     value any Rights at any time in any manner other than that specifically set
     forth in Section 23 or 24, and other than in connection with the purchase,
     acquisition or redemption of shares of Common Stock prior to the
     Distribution Date.

               Section 24.  Exchange.  (a)  At any time after any Person becomes
     an Acquiring Person, a majority of the Continuing Directors may, at their
     option, exchange all or part of the then outstanding and exercisable Rights
     (which shall not include Rights that have become void pursuant to Section
     7(d)) for shares of Common Stock at an exchange ratio of one share of
     Common Stock per Right, appropriately adjusted to reflect any stock split,
     stock dividend or similar transaction occurring after the date hereof (such
     exchange ratio being hereinafter referred to as the "Exchange Ratio").
     Notwithstanding the foregoing, the Board of Directors shall not be
     empowered to effect such exchange at any time after any Person (other than
     the Company, any of its Subsidiaries, any employee benefit plan of the
     Company or any of its Subsidiaries or any Person organized, appointed or
     established by the Company or any of its Subsidiaries for or pursuant to
     the terms of 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.

                                       34
<PAGE>
 
               (b)  Immediately upon the action of the Continuing Directors
     electing to exchange any Rights pursuant to Section 24(a) and without any
     further action and without any notice, the right to exercise such Rights
     will terminate and thereafter the only right of a holder of such Rights
     shall be to receive that number of shares of Common Stock equal to the
     number of such Rights held by such holder multiplied by the Exchange Ratio.
     The Company shall promptly thereafter give notice of such exchange to the
     Rights Agent and the holders of the Rights to be exchanged in the manner
     set forth in Section 26; provided that the failure to give, or any defect
     in, such notice shall not affect the validity of such exchange.  Any notice
     which is mailed in the manner herein provided shall be deemed given,
     whether or not the holder receives the notice.  Each such notice of
     exchange will state the method by which the exchange of the shares of
     Common Stock for Rights 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 pursuant to Section 7(d)) held by each
     holder of Rights.

              (c)  In any exchange pursuant to this Section 24, the Company, at
     its option, may substitute common stock equivalents (as defined in Section
     11(a)(iii)) for shares of Common Stock exchangeable for Rights, at the
     initial rate of one common stock equivalent for each share of Common Stock,
     as appropriately adjusted to reflect adjustments in dividend, liquidation
     and voting rights of common stock equivalents pursuant to the terms
     thereof, so that each common stock equivalent delivered in lieu of each
     share of Common Stock shall have essentially the same dividend, liquidation
     and voting rights as one share of Common Stock.

               Section 25.  Notice of Proposed Actions.  (a)  In case the
     Company shall propose, at any time after the Distribution Date, (i) to pay
     any dividend payable in stock of any class to the holders of Preferred
     Stock or to make any other distribution to the holders of Preferred Stock
     (other than a regular quarterly cash dividend out of earnings or retained
     earnings of the Company), or (ii) to offer to the holders of its Preferred
     Stock rights or warrants to subscribe for or to purchase any additional
     shares of Preferred Stock or shares of stock of any class or any other
     securities, rights or options, or (iii) to effect any reclassification of
     its Preferred Stock (other than a reclassification involving only the
     subdivision or combination of outstanding shares of Preferred Stock) or
     (iv) to effect any consolidation or merger with any other Person, or to
     effect and/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 assets

                                       35
<PAGE>
 
     or earning power aggregating more than 50% of the assets or earning power
     of the Company and its Subsidiaries, taken as a whole, to any other Person
     or Persons, or (v) to effect the liquidation, dissolution or winding up of
     the Company, then, in each such case, the Company shall give to each holder
     of a Right, to the extent feasible and in accordance with Section 26, a
     notice of such proposed action, which shall specify the record date for the
     purposes of any such dividend, distribution or offering of rights or
     warrants, or the date on which any such reclassification, consolidation,
     merger, sale, transfer, liquidation, dissolution or winding up is to take
     place and the date of participation therein by the holders of Preferred
     Stock, if any such date is to be fixed, and such notice shall be so given
     in the case of any action covered by clause (i) or (ii) above at least 20
     days prior to the record date for determining holders of the Preferred
     Stock entitled to participate in such dividend, distribution or offering,
     and in the case of any such other action, at least 20 days prior to the
     date of the taking of such proposed action or the date of participation
     therein by the holders of Preferred Stock, whichever shall be the earlier.
     The failure to give notice required by this Section or any defect therein
     shall not affect the legality or validity of the action taken by the
     Company or the vote upon any such action.

               (b)  Notwithstanding anything in this Agreement to the contrary,
     prior to the Distribution Date a public filing by the Company with the
     Securities and Exchange Commission shall constitute sufficient notice to
     the holders of securities of the Company, including the Rights, for
     purposes of this Agreement and no other notice need be given to such
     holders.

               (c)  If a Triggering Event shall occur, then, in any such case,
     (1) the Company shall as soon as practicable thereafter give to each holder
     of a Right, in accordance with Section 26, 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) or 13, as the case may be, and
     (2) all references in Section 25(a) to Preferred Stock shall be deemed
     thereafter to refer to Common Stock or other capital stock, as the case may
     be.

               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
     Right to or on the Company shall be sufficiently given or made if sent by
     first-class mail (postage prepaid) to the address of the Company indicated
     on the signature page hereof or such other address as the Company shall
     specify in writing to the Rights Agent.  Subject to the provisions of
     Section 21, any notice or demand authorized by this Agreement to be given
     or

                                       36
<PAGE>
 
     made by the Company or by the holder of any Right to or on the Rights Agent
     shall be sufficiently given or made if sent by first-class mail (postage
     prepaid) to the address of the Rights Agent indicated on the signature page
     hereof or such other address as the Rights Agent shall specify in writing
     to the Company.  Notices or demands authorized by this Agreement to be
     given or made by the Company or the Rights Agent to the holder of any Right
     Certificate (or, prior to the Distribution Date, to the holder of any
     certificate representing shares of Common Stock) shall be sufficiently
     given or made if sent by first-class mail (postage prepaid) to the address
     of such holder shown on the registry books of the Company.

               Section 27.  Supplements and Amendments.  Prior to the
     Distribution Date, the Company and the Rights Agent shall, if the Company
     so directs, supplement or amend any provision of this Agreement without the
     approval of any holders of certificates representing shares of Common
     Stock.  From and after the Distribution Date, the Company and the Rights
     Agent shall, if the Company so directs, supplement or amend this Agreement
     without the approval of any holders of Right Certificates in order (a) to
     cure any ambiguity, (b) to correct or supplement any provision contained
     herein which may be defective or inconsistent with any other provisions
     herein or (c) to change or supplement the provisions hereof in any manner
     which the Company may deem necessary or desirable and which shall not
     adversely affect the interests of the holders of Rights (other than an
     Acquiring Person or an Affiliate or Associate of an Acquiring Person).
     Notwithstanding the foregoing, after any Person has become an Acquiring
     Person, any supplement or amendment shall be effective only if there are
     Continuing Directors then in office, and such supplement or amendment shall
     have been approved by a majority of such Continuing Directors.  Upon the
     delivery of a certificate from an appropriate officer of the Company which
     states that the proposed supplement or amendment is in compliance with the
     terms of this Section, the Rights Agent shall execute such supplement or
     amendment.  Prior to the Distribution Date, the interests of the holders of
     Rights shall be deemed coincident with the interests of the holders of
     Common Stock.

               Section 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

                                       37
<PAGE>
 
     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) under the Exchange
     Act as in effect on the date of this Agreement.  The Board of Directors of
     the Company (or, after any Person has become an Acquiring Person, a
     majority of the Continuing Directors) shall have the exclusive power and
     authority to administer this Agreement and to exercise all rights and
     powers specifically granted to the Board or to the Company, or as may be
     necessary or advisable in the administration of this Agreement, including
     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
     exchange or not to redeem or exchange 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 (or,
     after any Person has become an Acquiring Person, by the Continuing
     Directors) in good faith shall (x) be final, conclusive and binding on the
     Company, the Rights Agent, the holders of the Rights and all other parties,
     and (y) not subject the Board of Directors of the Company or the Continuing
     Directors to any liability to the holders of the Rights.

               Section 30.  Benefits of this Agreement.  Nothing in this
     Agreement shall be construed to give to any Person other than the Company,
     the Rights Agent and the registered holders of the Right Certificates (and,
     prior to the Distribution Date, the certificates representing the shares of
     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 Right
     Certificates (and, prior to the Distribution Date, the certificates
     representing the shares of 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 that, notwithstanding anything in this Agreement
     to the contrary, if any such term, provision, covenant or restriction is
     held by such court or authority to be invalid, void or unenforceable and
     the Board of Directors of the Company (or, after any Person has become an
     Acquiring Person, a majority

                                       38
<PAGE>
 
     of the Continuing Directors) determines in its good faith judgment that
     severing the invalid language from this Agreement would adversely affect
     the purpose or effect of this Agreement, the right of redemption set forth
     in Section 23 hereof shall be reinstated and shall not expire until the
     close of business on the tenth day following the date of such determination
     by the Board of Directors or Continuing Directors, as the case may be.

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

               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 one and the same instrument.

               Section 34.  Descriptive Headings.  The captions herein are
     included for convenience of reference only, do not constitute a part of
     this Agreement and shall be ignored in the construction and interpretation
     hereof.

                                       39
<PAGE>
 
               IN WITNESS WHEREOF, the parties hereto have caused this Agreement
     to be duly executed by their respective authorized officers as of the day
     and year first above written.

                              MCDERMOTT INTERNATIONAL, INC.


                              By: __________________________
                                  Name:   L. R. Purtell
                                  Title:  Senior Vice President,
                                          General Counsel and
                                          Corporate Secretary

                                    1450 Poydras Street
                                    New Orleans, Louisiana 70161
                                    Attention:  Senior Vice
                                      President, General Counsel
                                      and Secretary


                                    FIRST CHICAGO TRUST
                                     COMPANY OF NEW YORK


                                    By:  _________________________
                                         Name:
                                         Title:

                                    525 Washington Boulevard
                                    Jersey City, New Jersey 07310
                                    Attention:  Ralph Persico,
                                      Customer Service Officer

                                       40
<PAGE>
 
                                                                       Exhibit A



                                    FORM OF
                           CERTIFICATE OF DESIGNATION
                                       OF
                             SERIES D PARTICIPATING
                                PREFERRED STOCK

                                       OF

                         MCDERMOTT INTERNATIONAL, INC.

                 Pursuant to the laws of the Republic of Panama



               I, Lawrence R. Purtell, Senior Vice President and Corporate
     Secretary, of McDermott International, Inc., a corporation organized and
     existing under laws of the Republic of Panama, in accordance with the
     provisions thereof, DO HEREBY CERTIFY:

               That pursuant to the authority conferred upon the Board of
     Directors by the Articles of Incorporation of the Corporation, the Board of
     Directors on December 5, 1995, adopted the following resolution creating a
     series of Preferred Stock in the amount and having the designation, voting
     powers, preferences and relative, participating, optional and other special
     rights and qualifications, limitations and restrictions thereof as follows:

               Section 1.  Designation and Number of Shares.  The shares of such
     series shall be designated as "Series D Participating Preferred Stock" (the
     "Series D Preferred Stock"), and the number of shares constituting such
     series shall be 702,652.  Such number of shares of the Series D Preferred
     Stock may be increased or decreased by resolution of the Board of
     Directors; provided that no decrease shall reduce the number of shares of
     Series D Preferred Stock to a number less than the number of shares then
     outstanding plus the number of shares issuable upon exercise or conversion
     of outstanding rights, options or other securities issued by the
     Corporation.

                                      A-1
<PAGE>
 
     Section 2. Dividends and Distributions.

               (A)  The holders of shares of Series D Preferred Stock shall be
     entitled to receive, when, as and if declared by the Board of Directors out
     of funds legally available for the purpose, quarterly dividends payable on
     January 1, April 1, July 1 and October 1 of each year (each such date being
     referred to herein as a "Quarterly Dividend Payment Date"), commencing on
     the first Quarterly Dividend Payment Date after the first issuance of any
     share or fraction of a share of Series D Preferred Stock, in an amount per
     share (rounded to the nearest cent) equal to the greater of (a) $1.00 and
     (b) subject to the provision for adjustment hereinafter set forth, 100
     times the aggregate per share amount of all cash dividends or other
     distributions and 100 times the aggregate per share amount of all non-cash
     dividends or other distributions (other than (i) a dividend payable in
     shares of Common Stock, par value $1.00 per share, of the Corporation (the
     "Common Stock") or (ii) 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 D Preferred Stock.
     If the Corporation shall at any time after December 5, 1995 (the "Rights
     Declaration Date") pay any dividend on Common Stock payable in shares of
     Common Stock or effect a subdivision or combination of the outstanding
     shares of Common Stock (by reclassification or otherwise) into a greater or
     lesser number of shares of Common Stock, then in each such case the amount
     to which holders of shares of Series D 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 D Preferred Stock as provided in paragraph (A) above immediately
     after it declares a dividend or distribution on the Common Stock (other
     than as described in clauses (i) and (ii) of the first sentence of
     paragraph (A)); provided that if 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 (or, with respect to the first Quarterly Dividend Payment Date, the
     period between the first issuance of any share or fraction of a share of
     Series D Preferred Stock and such first Quarterly

                                      A-2
<PAGE>
 
     Dividend Payment Date), a dividend of $1.00 per share on the Series D
     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 D Preferred Stock from the Quarterly Dividend
     Payment Date next preceding the date of issue of such shares of Series D
     Preferred Stock, unless the date of issue of such shares is on or before
     the record date for the first Quarterly Dividend Payment Date, in which
     case dividends on such shares shall begin to accrue and be cumulative from
     the date of issue of such shares, or unless the date of issue is a date
     after the record date for the determination of holders of shares of Series
     D Preferred Stock entitled to receive a quarterly dividend and on or before
     such Quarterly Dividend Payment Date, in which case dividends shall begin
     to accrue and be cumulative from such Quarterly Dividend Payment Date.
     Accrued but unpaid dividends shall not bear interest.  Dividends paid on
     shares of Series D 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 D Preferred Stock entitled to
     receive payment of a dividend or distribution declared thereon, which
     record date shall not be more than 60 days prior to the date fixed for the
     payment thereof.

               Section 3.  Voting Rights.  In addition to any other voting
     rights required by law, the holders of shares of Series D Preferred Stock
     shall have the following voting rights:

               (A)  Subject to the provision for adjustment hereinafter set
     forth, each share of Series D Preferred Stock shall entitle the holder
     thereof to 100 votes on all matters submitted to a vote of stockholders of
     the Corporation.  If the Corporation shall at any time after the Rights
     Declaration Date pay any dividend on Common Stock payable in shares of
     Common Stock or effect a subdivision or combination of the outstanding
     shares of Common Stock (by reclassification or otherwise) into a greater or
     lesser number of shares of Common Stock, then in each such case the number
     of votes per share to which holders of shares of Series D 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.

                                      A-3
<PAGE>
 
               (B)  Except as otherwise provided herein or by law, the holders
     of shares of Series D Preferred Stock and the holders of shares of Common
     Stock shall vote together as a single class on all matters submitted to a
     vote of stockholders of the Corporation.

               (C)  (i)  If at any time dividends on any Series D Preferred
     Stock shall be in arrears in an amount equal to six quarterly dividends
     thereon, the occurrence of such contingency shall mark the beginning of a
     period (herein called a "default period") which shall extend until such
     time when all accrued and unpaid dividends for all previous quarterly
     dividend periods and for the current quarterly dividend period on all
     shares of Series D Preferred Stock then outstanding shall have been
     declared and paid or set apart for payment.  During each default period,
     all holders of Preferred Stock and any other series of Preferred Stock then
     entitled as a class to elect directors, voting together as a single class,
     irrespective of series, shall have the right to elect two Directors.

               (ii)  During any default period, such voting right of the holders
     of Series D Preferred Stock may be exercised initially at a special meeting
     called pursuant to subparagraph (iii) of this Section 3(C) or at any annual
     meeting of stockholders, and thereafter at annual meetings of stockholders,
     provided that neither such voting right nor the right of the holders of any
     other series of Preferred Stock, if any, to increase, in certain cases, the
     authorized number of Directors shall be exercised unless the holders of 10%
     in number of shares of Preferred Stock outstanding shall be present in
     person or by proxy.  The absence of a quorum of holders of Common Stock
     shall not affect the exercise by holders of Preferred Stock of such voting
     right.  At any meeting at which holders of Preferred Stock shall exercise
     such voting right initially during an existing default period, they shall
     have the right, voting as a class, to elect Directors to fill such
     vacancies, if any, in the Board of Directors as may then exist up to two
     Directors or, if such right is exercised at an annual  meeting, to elect
     two Directors.  If the number which may be so elected at any special
     meeting does not amount to the required number, the holders of the
     Preferred Stock shall have the right to make such increase in the number of
     Directors as shall be necessary to permit the election by them of the
     required number.  After the holders of the Preferred Stock shall have
     exercised their right to elect Directors in any default period and during
     the continuance of such period, the number of Directors shall not be
     increased or decreased except by vote of the holders of Preferred Stock as
     herein provided or pursuant to the rights of any equity securities ranking
     senior to or pari passu with the Series D Preferred Stock.

                                      A-4
<PAGE>
 
               (iii)  Unless the holders of Preferred Stock shall, during an
     existing default period, have previously exercised their right to elect
     Directors, the Board of Directors may order, or any stockholder or
     stockholders owning in the aggregate not less than 10% of the total number
     of shares of Preferred Stock outstanding, irrespective of series, may
     request, the calling of special meeting of holders of Preferred Stock,
     which meeting shall thereupon be called by the President, a Vice President
     or the Secretary of the Corporation.  Notice of such meeting and of any
     annual meeting at which holders of Preferred Stock are entitled to vote
     pursuant to this paragraph (C)(iii) shall be given to each holder of record
     of Preferred Stock by mailing a copy of such notice to him at his last
     address as the same appears on the books of the Corporation.  Such meeting
     shall be called for a time not earlier than 20 days and not later than 60
     days after such order or request or in default of the calling of such
     meeting within 60 days after such order or request, such meeting may be
     called on similar notice by any stockholder or stockholders owning in the
     aggregate not less than 10% of the total number of shares of Preferred
     Stock outstanding, irrespective of series.  Notwithstanding the provisions
     of this paragraph (C)(iii), no such special meeting shall be called during
     the period within 60 days immediately preceding the date fixed for the next
     annual meeting of stockholders.

               (iv)  In any default period, the holders of Common Stock, and
     other classes of stock of the Corporation if applicable, shall continue to
     be entitled to elect the whole number of Directors until the holders of
     Preferred Stock shall have exercised their right to elect two Directors
     voting as a class, after the exercise of which right (x) the Directors so
     elected by the holders of Preferred Stock shall continue in office until
     their successors shall have been elected by such holders or until the
     expiration of the default period, and (y) any vacancy in the Board of
     Directors may (except as provided in paragraph (C)(ii) of this Section 3)
     be filled by vote of a majority of the remaining Directors theretofore
     elected by the holders of the class of stock which elected the Director
     whose office shall have become vacant.  References in this paragraph (C) to
     Directors elected by the holders of a particular class of stock shall
     include Directors elected by such Directors to fill vacancies as provided
     in clause (y) of the foregoing sentence.

               (v)  Immediately upon the expiration of a default period, (x) the
     right of the holders of Preferred Stock as a class to elect Directors shall
     cease, (y) the term of any Directors elected by the holders of Preferred
     Stock as a class shall terminate, and (z) the number of Directors shall

                                      A-5
<PAGE>
 
     be such number as may be provided for in the Articles of Incorporation or
     bylaws irrespective of any increase made pursuant to the provisions of
     paragraph (C)(ii) of this Section 3 (such number being subject, however, to
     change thereafter in any manner provided by law or in the Articles of
     Incorporation or bylaws).  Any vacancies in the Board of Directors effected
     by the provisions of clauses (y) and (z) in the preceding sentence may be
     filled by a majority of the remaining Directors.

               (D)  The Articles of Incorporation of the Corporation shall not
     be amended in any manner (whether by merger or otherwise) so as to
     adversely affect the powers, preferences or special rights of the Series D
     Preferred Stock without the affirmative vote of the holders of a majority
     of the outstanding shares of Series D Preferred Stock, voting separately as
     a class.

               (E)  Except as otherwise provided herein, holders of Series D
     Preferred Stock shall have no special voting rights, and their consent
     shall not be required for taking any corporate action.

     Section 4.  Certain Restrictions.

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

               (i)  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 D Preferred
          Stock;

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

               (iii)  redeem, purchase or otherwise acquire for value any shares
          of stock ranking junior (either as to dividends or upon liquidation,
          dissolution or winding

                                      A-6
<PAGE>
 
          up) to the Series D Preferred Stock; provided that the Corporation may
          at any time redeem, purchase or otherwise acquire shares of any such
          junior stock in exchange for shares of stock of the Corporation
          ranking junior (as to dividends and upon dissolution, liquidation or
          winding up) to the Series D Preferred Stock; or

               (iv)  redeem, purchase or otherwise acquire for value any shares
          of Series D Preferred Stock, or any shares of stock ranking on a
          parity (either as to dividends or upon liquidation, dissolution or
          winding up) with the Series D 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 Series D Preferred Stock
          and all such other parity stock 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 value 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 D Preferred
     Stock redeemed, purchased or otherwise acquired by the Corporation in any
     manner whatsoever shall be retired and cancelled promptly after the
     acquisition thereof.  All such shares shall upon their cancellation become
     authorized but unissued shares of Preferred Stock without designation as to
     series 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 as permitted
     by the Articles of Incorporation or as otherwise permitted under Panamanian
     law.

               Section 6.  Liquidation, Dissolution or Winding Up.  Upon any
     liquidation, dissolution or winding up of the Corporation, no distribution
     shall be made (1) to the holders of shares of stock ranking junior (either
     as to dividends or upon liquidation, dissolution or winding up) to the
     Series D Preferred Stock unless, prior thereto, the holders of shares of
     Series D Preferred Stock shall have received $1.00 per share, plus an
     amount equal to accrued and unpaid dividends and distributions thereon,
     whether or

                                      A-7
<PAGE>
 
     not declared, to the date of such payment; provided that the holders of
     shares of Series D Preferred Stock shall be entitled to receive an
     aggregate amount per share, subject to the provision for adjustment
     hereinafter set forth, equal to 100 times the aggregate amount to be
     distributed per share to holders of Common Stock, or (2) to the holders of
     stock ranking on a parity (either as to dividends or upon liquidation,
     dissolution or winding up) with the Series D Preferred Stock, except
     distributions made ratably on the Series D Preferred Stock and all such
     other parity stock in proportion to the total amounts to which the holders
     of all such shares are entitled upon such liquidation, dissolution or
     winding up.  If the Corporation shall at any time after the Rights
     Declaration Date pay any dividend on Common Stock payable in shares of
     Common Stock or effect a subdivision or combination of the outstanding
     shares of Common Stock (by reclassification or otherwise) into a greater or
     lesser number of shares of Common Stock, then in each such case the
     aggregate amount to which holders of shares of Series D Preferred Stock
     were entitled immediately prior to such event under the proviso in clause
     (1) of the preceding sentence shall be adjusted by multiplying such amount
     by a fraction the numerator of which is the number of shares of Common
     Stock outstanding immediately after such event and the denominator of which
     is the number of shares of Common Stock that were outstanding immediately
     prior to such event.

               Section 7.  Consolidation, Merger, etc.  If the Corporation shall
     enter into any consolidation, merger, combination or other transaction in
     which the shares of Common Stock are exchanged for or changed into other
     stock or securities, cash or any other property, then in any such case the
     shares of Series D Preferred Stock shall at the same time be similarly
     exchanged for or changed into an amount per share, subject to the provision
     for adjustment hereinafter set forth, equal to 100 times the aggregate
     amount of stock, securities, cash or any other property, as the case may
     be, into which or for which each share of Common Stock is changed or
     exchanged.  If the Corporation shall at any time after the Rights
     Declaration Date pay any dividend on Common Stock payable in shares of
     Common Stock or effect a subdivision or combination of the outstanding
     shares of Common Stock (by reclassification or otherwise) into a greater or
     lesser number of shares of Common Stock, then in each such case the amount
     set forth in the preceding sentence with respect to the exchange or change
     of shares of Series D 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.

                                      A-8
<PAGE>
 
               Section 8.  No Redemption.  The Series D Preferred Stock shall
     not be redeemable.

               Section 9.  Rank.  The Series D Preferred Stock shall rank junior
     (as to dividends and upon liquidation, dissolution and winding up) to all
     other series of the Corporation's preferred stock except any series that
     specifically provides that such series shall rank junior to the Series D
     Preferred Stock.

               Section 10.  Fractional Shares.  Series D 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 D Preferred Stock.

               IN WITNESS WHEREOF, we have executed and subscribed this
     Certificate this __ day of December, 1995.


                                    _________________________
                                    [Title]

     Attest:

     ______________________
     [Title]

                                      A-9
<PAGE>
 
                                                              Exhibit B


                          [Form of Right Certificate]


     No. R-                               ____________Rights


     NOT EXERCISABLE AFTER THE EARLIER OF JANUARY 2, 2006 AND THE DATE ON WHICH
     THE RIGHTS EVIDENCED HEREBY ARE REDEEMED OR EXCHANGED BY THE COMPANY AS SET
     FORTH IN THE RIGHTS AGREEMENT.  AS SET FORTH IN THE RIGHTS AGREEMENT,
     RIGHTS ISSUED TO, OR HELD BY, ANY PERSON WHO IS, WAS OR BECOMES AN
     ACQUIRING PERSON OR AN AFFILIATE OR ASSOCIATE THEREOF (AS SUCH TERMS ARE
     DEFINED IN THE RIGHTS AGREEMENT), WHETHER CURRENTLY HELD BY OR ON BEHALF OF
     SUCH PERSON OR BY ANY SUBSEQUENT HOLDER, MAY BE NULL AND VOID.  [THE RIGHTS
     REPRESENTED BY THIS RIGHT CERTIFICATE ARE OR WERE BENEFICIALLY OWNED BY A
     PERSON WHO WAS OR BECAME AN ACQUIRING PERSON OR AN AFFILIATE OR AN
     ASSOCIATE OF AN ACQUIRING PERSON (AS SUCH TERMS ARE DEFINED IN THE RIGHTS
     AGREEMENT).  THIS RIGHT CERTIFICATE AND THE RIGHTS REPRESENTED HEREBY MAY
     BE OR MAY BECOME NULL AND VOID IN THE CIRCUMSTANCES SPECIFIED IN SECTION
     7(d) OF THE RIGHTS AGREEMENT.]/2/



                               RIGHT CERTIFICATE

                         MCDERMOTT INTERNATIONAL, INC.


               This Right Certificate certifies that ______________________, or
     registered assigns, is the registered holder of the number of Rights set
     forth above, each of which entitles the holder (upon the terms and subject
     to the conditions set forth in the Rights Agreement dated as of December 5,
     1995 (the "Rights Agreement") between McDermott International, Inc., a
     Delaware corporation (the "Company"), and First Chicago Trust Company of
     New York (the "Rights Agent") to purchase from the Company, at any time
     after the Distribution Date and prior to the Expiration Date, ___ one-
     hundredth[s] of a fully paid, nonassessable share of Series D Participating
- ----------
/2/ If applicable, insert this portion of the legend and delete the preceding
     sentence.

                                      B-1
<PAGE>
 
     Cumulative Preferred Stock (the "Preferred Stock") of the Company at a
     purchase price of $50.00 per one one-hundredth of a share (the "Purchase
     Price"), payable in lawful money of the United States of America, upon
     surrender of this Right Certificate, with the form of election to purchase
     and related certificate duly executed, and payment of the Purchase Price at
     an office of the Rights Agent designated for such purpose.

               Terms used herein and not otherwise defined herein have the
     meanings assigned to them in the Rights Agreement.

               The number of Rights evidenced by this Right Certificate (and the
     number and kind of shares issuable upon exercise of each Right) and the
     Purchase Price set forth above are as of January 2, 1996, and may have been
     or in the future be adjusted as a result of the occurrence of certain
     events, as more fully provided in the Rights Agreement.

               Upon the occurrence of a Section 11(a)(ii) Event, if the Rights
     evidenced by this Right Certificate are beneficially owned by (a) an
     Acquiring Person or an Associate or Affiliate of an Acquiring Person, (b) a
     transferee of an Acquiring Person (or any such Associate or Affiliate) who
     becomes a transferee after the Acquiring Person becomes such, or (c) under
     certain circumstances specified in the Rights Agreement, a transferee of an
     Acquiring Person (or any such 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 Section 11(a)(ii) Event.

               This Right Certificate is subject to all of the terms, provisions
     and conditions of the Rights Agreement, which terms, provisions and
     conditions are hereby incorporated herein by reference and made a part
     hereof and to which Rights Agreement reference is hereby made for a full
     description of the rights, limitations of rights, obligations, duties and
     immunities hereunder of the Rights Agent, the Company and the holders of
     the Right 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.

               Upon surrender at the principal office or offices of the Rights
     Agent designated for such purpose and subject to the terms and conditions
     set forth in the Rights Agreement, any Rights Certificate or Certificates
     may be transferred or exchanged for another Rights Certificate or

                                      B-2
<PAGE>
 
     Certificates evidencing a like number of Rights as the Rights Certificate
     or Certificates surrendered.

              Subject to the provisions of the Rights Agreement, the Board of
     Directors of the Company may, at its option,

               (a)  at any time prior to the earlier of (i) the close of
          business on the tenth day after the Stock Acquisition Date (or such
          later date as a majority of the Continuing Directors may designate
          prior to such time as the Rights are no longer redeemable) and (ii)
          the Final Expiration Date, redeem all but not less than all the then
          outstanding Rights at a redemption price of $.01 per Right; or

               (b)  at any time after any Person becomes an Acquiring Person
          (but before such Person becomes the Beneficial Owner of 50% or more of
          the shares of Common Stock then outstanding), exchange all or part of
          the then outstanding Rights (other than Rights held by the Acquiring
          Person and certain related Persons) for shares of Common Stock at an
          exchange ratio of one share of Common Stock per Right.  If the Rights
          shall be exchanged in part, the holder of this Right Certificate shall
          be entitled to receive upon surrender hereof another Right Certificate
          or Certificates for the number of whole Rights not exchanged.

               No fractional shares of Preferred Stock are required to be issued
     upon the exercise of any Right or Rights evidenced hereby (other than
     fractions which are multiples of one one-hundredth of a share of Preferred
     Stock, which may, at the election of the Company, be evidenced by
     depositary receipts), but in lieu thereof a cash payment will be made, as
     provided in the Rights Agreement.  If this Right Certificate shall be
     exercised in part, the holder shall be entitled to receive upon surrender
     hereof another Right Certificate or Certificates for the number of whole
     Rights not exercised.

               No holder of this Right Certificate shall be entitled to vote,
     receive dividends or be deemed for any purpose the holder of the shares of
     capital stock which may at any time be issuable on the exercise hereof, nor
     shall anything contained in the Rights Agreement or herein be construed to
     confer upon the holder hereof, as such, any of the rights of a stockholder
     of the Company or any right to vote for the election of directors or upon
     any matter submitted to stockholders at any meeting thereof, or to give or
     withhold consent to any corporate action, or to receive notice of meetings
     or other actions affecting stockholders (except as provided in the Rights
     Agreement), or to receive

                                      B-3
<PAGE>
 
     dividends or subscription rights, or otherwise, until the Right or Rights
     evidenced by this Right Certificate shall have been exercised as provided
     in the Rights Agreement.

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


               IN WITNESS WHEREOF, the Company has caused this instrument to be
     duly executed under its corporate seal by its authorized officers.


     Dated as of ________________, 19__

                                    MCDERMOTT INTERNATIONAL, INC.


                                    By______________________
                                      Title:
     [SEAL]

     Attest:


     ______________________
       Secretary


     Countersigned:

     FIRST CHICAGO TRUST
      COMPANY OF NEW YORK,
     as Rights Agent


     By____________________
       Authorized Signature

                                      B-4
<PAGE>
 
                   Form of Reverse Side of Right Certificate


                               FORM OF ASSIGNMENT

                    (To be executed if the registered holder
                  desires to transfer the Right Certificate.)


     FOR VALUE RECEIVED _______________________________________

     hereby sells, assigns and transfers unto _________________

     __________________________________________________________
            (Please print name and address of transferee)

     __________________________________________________________

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

     Dated:  _____________________, 19__

                                    ___________________________
                                    Signature

     Signature Guaranteed:

                                      B-5
<PAGE>
 
                                  Certificate

               The undersigned hereby certifies by checking the appropriate
     boxes that:

               (1)  the Rights evidenced by this Right Certificate ___are ___are
     not being assigned by or on behalf of a Person who is or was an Acquiring
     Person or an Affiliate or Associate of any such Acquiring Person (as such
     terms are defined in the Rights Agreement);

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



     Dated: __________, 19 __    ________________________
                                     Signature

                                   __________

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

                                   __________

                                      B-6
<PAGE>
 
                          FORM OF ELECTION TO PURCHASE

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

     To:  McDermott International, Inc.

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

     Please insert social security
     or other identifying number

     __________________________________________________________
                   (Please print name and address)

     ___________________________________________________________

               If such number of Rights shall not be all the Rights evidenced by
     this Right Certificate, a new Right 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:  ________________, 19__

                                    ___________________________
                                    Signature

     Signature Guaranteed:

                                      B-7
<PAGE>
 
                                  Certificate

               The undersigned hereby certifies by checking the appropriate
     boxes that:

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

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

     Dated: __________, 19 __    ________________________
                                     Signature


                                   __________

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

                                   __________

                                      B-8
<PAGE>
 
                                                                    Exhibit C


                         MCDERMOTT INTERNATIONAL, INC.

                            STOCKHOLDER RIGHTS PLAN

                                Summary of Terms


     Form of Security:  The Board of Directors has declared a dividend of one
                        preferred stock purchase right for each outstanding
                        share of the Company's Common Stock, payable to holders
                        of record as of the close of business on January 2, 1996
                        (each a "Right" and collectively, the "Rights")

     Transfer:          Prior to the Distribution Date/3/, the Rights will be
                        evidenced by the
- ----------
/3/          "Distribution Date" means the earlier of:
 
             (1) the 10th day after public announcement that any person or group
             has become the beneficial owner of 15% or more of the Company's
             Common Stock and
 
             (2) the 10th business day after the date of the commencement of a
             tender or exchange offer by any person which would, if consummated,
             result in such person becoming the beneficial owner of 15% or more
             of the Company's Common Stock,

             in each case, subject to extension by a majority of the Continuing
             Directors.
 
             "Continuing Director" means any member of the Board of Directors
             who was a member of the Board prior to the time an Acquiring Person
             (as defined below) becomes such or any person who is subsequently
             elected to the Board if such person is recommended or approved by a
             majority of the Continuing Directors. Continuing Directors do not
             include an Acquiring Person, an affiliate or associate of an
             Acquiring Person or any representative or nominee of the foregoing.

                                      C-1
<PAGE>
 
                            certificates for and will be transferred with the
                            Common Stock, and the registered holders of the
                            Common Stock will be deemed to be the registered
                            holders of the Rights.

                            After the Distribution Date, the Rights Agent will
                            mail separate certificates evidencing the Rights to
                            each record holder of the Common Stock as of the
                            close of business on the Distribution Date, and
                            thereafter the Rights will be transferable
                            separately from the Common Stock.

     Exercise:              Prior to the Distribution Date, the Rights will not
                            be exercisable.

                            After the Distribution Date, each Right will be
                            exercisable to purchase, for $50.00 (the "Purchase
                            Price"), one one-hundredth of a share of Series D
                            Participating Preferred Stock, par value $1.00 per
                            share, of the Company.

     Flip-In:               If any person or group (an "Acquiring Person")
                            becomes the beneficial owner of 15% or more of the
                            Company's Common Stock, then each Right (other than
                            Rights beneficially owned by the Acquiring Person
                            and certain affiliated persons) will entitle the
                            holder to purchase, for the Purchase Price, a number
                            of shares of the Company's Common Stock having a
                            market value of twice the Purchase Price.

     Flip-Over:             If, after any person has become an Acquiring Person,
                            (1) the Company is involved in a merger or other
                            business combination in which the Company is not the
                            surviving corporation or its Common Stock is
                            exchanged for other securities or assets or (2) the
                            Company and/or one or more of its subsidiaries sell
                            or otherwise transfer assets or earning power
                            aggregating more than 50% of the assets or earning
                            power of the Company and its subsidiaries, taken

                                      C-2
<PAGE>
 
                            as a whole, then each Right will entitle the holder
                            to purchase, for the Purchase Price, a number of
                            shares of common stock of the other party to such
                            business combination or sale (or in certain
                            circumstances, an affiliate) having a market value
                            of twice the Purchase Price.

     Exchange:              At any time after any person has become an Acquiring
                            Person (but before any person becomes the beneficial
                            owner of 50% or more of the Company's Common Stock),
                            a majority of the Continuing Directors may exchange
                            all or part of the Rights (other than the Rights
                            beneficially owned by the Acquiring Person and
                            certain affiliated persons) for shares of Common
                            Stock at an exchange ratio of one share of Common
                            Stock per Right.

     Redemption:            The Board of Directors may redeem all of the Rights
                            at a price of $.01 per Right at any time prior to
                            the close of business on the 10th day after public
                            announcement that any person has become an Acquiring
                            Person (subject to extension by a majority of the
                            Continuing Directors).

                            After any person has become an Acquiring Person, the
                            Rights may be redeemed only with the approval of a
                            majority of the Continuing Directors.

     Expiration:            The Rights will expire on January 2, 2006, unless
                            earlier exchanged or redeemed.

     Amendments:            Prior to the Distribution Date, the Rights Agreement
                            may be amended in any respect.

                            After the Distribution Date, the Rights Agreement
                            may be amended in any respect that does not
                            adversely affect the Rights holders (other than any
                            Acquiring Person and certain affiliated persons).

                                      C-3
<PAGE>
 
                            After any person has become an Acquiring Person, the
                            Rights Agreement may be amended only with the
                            approval of a majority of the Continuing Directors.

     Voting Rights:         Rights holders have no rights as a stockholder of
                            the Company, including the right to vote and to
                            receive dividends.

     Antidilution           
     Provisions:            The Rights Agreement includes antidilution
                            provisions designed to prevent efforts to diminish
                            the efficacy of the Rights.

     Taxes:                 While the dividend of the Rights will not be taxable
                            to stockholders or to the Company, stockholders or
                            the Company may, depending upon the circumstances,
                            recognize taxable income in the event that the
                            Rights become exercisable as set forth above.

                                _______________

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

                                      C-4


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