PHILLIPS PETROLEUM CO
8-A12B, 1999-07-12
PETROLEUM REFINING
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                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                   ___________


                                    FORM 8-A

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


                           PHILLIPS PETROLEUM COMPANY
_______________________________________________________________________________
             (Exact Name of Registrant as Specified in Its Charter)

                Delaware                               73-0400345
_______________________________________________________________________________
(State of Incorporation or Organization)   (I.R.S. Employer Identification No.)

            Phillips Building
          Bartlesville, Oklahoma                           74004
_______________________________________________________________________________
(Address of Principal Executive Offices)                 (Zip Code)

       If this Form relates to the           If this Form relates to the
       registration of a class of            registration of a class of
       securities pursuant to                securities pursuant to
       Section 12(b) of the                  Section 12(g) of the
       Exchange Act and is                   Exchange Act and is
       effective pursuant to                 effective pursuant to
       General Instruction A.(c),            General Instruction A.(d),
       please check the                      please check the
       following box. [X]                    following box.  [ ]

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

    Preferred Share Purchase Rights               New York Stock Exchange

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

                                      None
_______________________________________________________________________________
                                (Title of Class)


<PAGE>

ITEM 1.  DESCRIPTION OF SECURITIES TO BE REGISTERED.

            On July 2, 1999, the Board of Directors of Phillips Petroleum
Company, a Delaware corporation (the "Company"), adopted a new preferred share
purchase rights plan (the "Rights Plan") to replace, effective as of August 1,
1999, the Company's existing preferred share purchase rights plan, which expires
at the close of business on July 31, 1999.

            In connection with the Rights Plan, the Board of Directors of the
Company declared a dividend of one preferred share purchase right (a "Right")
for each outstanding share of common stock, par value $1.25 per share, of the
Company (the "Common Shares"). The Rights dividend is payable on August 1, 1999
(the "Record Date") to the stockholders of record on that date. The description
and terms of the Rights are set forth in an Agreement (the "Agreement") between
the Company and ChaseMellon Shareholder Services, L.L.C., as Rights Agent (the
"Rights Agent").

PURCHASE PRICE

            Each Right entitles the registered holder to purchase from the
Company one one-hundredth of a share of Series B Junior Participating Preferred
Stock of the Company, par value $1 per share (the "Preferred Shares"), at a
price of $180 per one one-hundredth of a Preferred Share (the "Purchase Price"),
subject to adjustment.

FLIP-IN

            In the event that any person or group of affiliated or associated
persons acquires beneficial ownership of 15% or more of the outstanding Common
Shares (an "Acquiring Person"), each holder of a Right, other than Rights
beneficially owned by the Acquiring Person (which will thereafter be void), will
thereafter have the right to receive upon exercise that number of Common Shares
having a market value of two times the exercise price of the Right.

FLIP-OVER

            If the Company is acquired in a merger or other business combination
transaction or 50% or more of its consolidated assets or earning power are sold
after a person or group has become an Acquiring Person, each holder of a Right
(other than Rights beneficially owned by the Acquiring Person, which will be
void) will thereafter have the right to receive that number of shares of common
stock of the acquiring company which at the time of such transaction will have a
market value of two times the exercise price of the Right.

DISTRIBUTION DATE

            The distribution date (the "Distribution Date") is the earlier of

            (i) 10 days following a public announcement that a person or group
of affiliated

<PAGE>

or associated persons have acquired beneficial ownership of 15% or
more of the outstanding Common Shares; or

            (ii) 10 business days (or such later date as may be determined by
action of the Board of Directors of the Company prior to such time as any person
or group of affiliated persons becomes an Acquiring Person) following the
commencement of, or announcement of an intention to make, a tender offer or
exchange offer the consummation of which would result in the beneficial
ownership by a person or group of 15% or more of the outstanding Common Shares.

TRANSFER AND DETACHMENT

            Until the Distribution Date, the Rights will be evidenced, with
respect to any of the Common Share certificates outstanding as of the Record
Date, by such Common Share certificate with a copy of the Summary of Rights
attached thereto. Until the Distribution Date (or earlier redemption or
expiration of the Rights), the Rights will be transferred with and only with the
Common Shares, and transfer of those certificates will also constitute transfer
of these Rights.

            As soon as practicable following the Distribution Date, separate
certificates evidencing the Rights ("Right Certificates") will be mailed to
holders of record of the Common Shares as of the close of business on the
Distribution Date and such separate Right Certificates alone will thereafter
evidence the Rights.

EXERCISABILITY

            The Rights are not exercisable until the Distribution Date. The
Rights will expire on July 31, 2009 (the "Final Expiration Date"), unless the
Final Expiration Date is extended or unless the Rights are earlier redeemed or
exchanged by the Company, in each case, as described below.

ADJUSTMENTS

            The Purchase Price payable, and the number of Preferred Shares or
other securities or property issuable, upon exercise of the Rights are subject
to adjustment from time to time to prevent dilution in the event of stock
dividends, stock splits, reclassifications, or certain distributions with
respect to the Preferred Shares. The number of outstanding Rights and the number
of one one-hundredths of a Preferred Share issuable upon exercise of each Right
are also subject to adjustment if, prior to the Distribution Date, there is a
stock split of the Common Shares or a stock dividend on the Common Shares
payable in Common Shares or subdivisions, consolidations or combinations of the
Common Shares. With certain exceptions, no adjustment in the Purchase Price will
be required until cumulative adjustments require an adjustment of at least 1% in
such Purchase Price. No fractional Preferred Shares will be issued (other than
fractions which are integral multiples of one one-hundredth of a Preferred
Share, which may, at the election of the Company, be evidenced by depositary
receipts) and, in lieu thereof, an adjustment in cash will be made based on the
market price of the Preferred Shares on the last

                                       2
<PAGE>

trading day prior to the date of exercise.

PREFERRED SHARES

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

            The value of the one one-hundredth interest in a Preferred Share
purchasable upon exercise of each Right should, because of the nature of the
Preferred Shares' dividend, liquidation and voting rights, approximate the value
of one Common Share.

EXCHANGE

            At any time after any person or group becomes an Acquiring Person,
and prior to the acquisition by such person or group of 50% or more of the
outstanding Common Shares, the Board of Directors of the Company may exchange
the Rights (other than Rights owned by the Acquiring Person, which will have
become void), in whole or in part, at an exchange ratio of one Common Share, or
one one-hundredth of a Preferred Share (subject to adjustment).

REDEMPTION

            At any time prior to any person or group becoming an Acquiring
Person, the Board of Directors of the Company may redeem the Rights in whole,
but not in part, at a price of $.01 per Right (the "Redemption Price"). The
redemption of the Rights may be made effective at such time on such basis with
such conditions as the Board of Directors in its sole discretion may establish.
Immediately upon any redemption of the Rights, the right to exercise the Rights
will terminate and the only right of the holders of Rights will be to receive
the Redemption Price.

AMENDMENTS

            The terms of the Rights may be amended by the Board of Directors of
the Company without the consent of the holders of the Rights, including an
amendment to lower certain thresholds described above to not less than the
greater of (i) the sum of .001% and the largest percentage of the outstanding
Common Shares then known to the Company to be beneficially owned by any person
or group of affiliated or associated persons and (ii) 10%, except that from and
after such time as any person or group of affiliated or associated persons
becomes an Acquiring Person no such amendment may adversely affect the interests
of the holders of the Rights.


                                       3
<PAGE>


RIGHTS AND HOLDERS

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

ANTI-TAKEOVER EFFECTS

          The Rights have certain anti-takeover effects. The Rights will cause
substantial dilution to a person or group that attempts to acquire the Company
on terms not approved by the Company's Board of Directors, except pursuant to
any offer conditioned on a substantial number of Rights being acquired. The
Rights should not interfere with any merger or other business combination
approved by the Board of Directors since the Rights may be redeemed by the
Company at the Redemption Price prior to the time that a person or group has
acquired beneficial ownership of 15% or more of the Common Shares.

FURTHER INFORMATION

            A copy of the Certificate of Designations of Series B Junior
Participating Preferred Stock of the Company, filed on July 12, 1999; the
Agreement, dated as of August 1, 1999, between the Company and the Rights Agent
specifying the terms of the Rights and the press release announcing the
declaration of the Rights are attached hereto as Exhibits 3.1, 4.1 and 99.1,
respectively and are incorporated herein by reference. The foregoing description
of the Rights is qualified in its entirety by reference to such exhibits.

ITEM 2  EXHIBITS.

           EXHIBIT NO.   DESCRIPTION

           3.1           Certificate of Designations of Series B Junior
                         Participating Preferred Stock of the Company, filed on
                         July 12, 1999.

           4.1           Rights Agreement, dated as of August 1, 1999, between
                         the Company and ChaseMellon Shareholder Services,
                         L.L.C. which includes the form of Certificate of
                         Designations of Series B Junior Participating
                         Preferred Stock of the Company as Exhibit A, the form
                         of Right Certificate as Exhibit B and the Summary of
                         Rights to Purchase Preferred Shares as Exhibit C.

          99.1           Press release, dated July 2, 1999, issued by the
                         Company.



                                       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.

                                        PHILLIPS PETROLEUM COMPANY

Dated:  July 12, 1999                   By  /S/  JOHN A. CARRIG
                                        --------------------------------------
                                        Name:    John A. Carrig
                                        Title:   Vice President and Treasurer


                                       5
<PAGE>


                                 EXHIBIT INDEX

          EXHIBIT NO.    DESCRIPTION

          3.1            Certificate of Designations of Series B Junior
                         Participating Preferred Stock of the Company, filed on
                         July 12, 1999.

          4.1            Rights Agreement, dated as of August 1, 1999, between
                         the Company and ChaseMellon Shareholder Services,
                         L.L.C. which includes the form of Certificate of
                         Designations of Series B Junior Participating
                         Preferred Stock of the Company as Exhibit A, the form
                         of Right Certificate as Exhibit B and the Summary of
                         Rights to Purchase Preferred Shares as Exhibit C.

          99.1           Press release, dated July 2, 1999, issued by the
                         Company.

                                       6



                                                                     EXHIBIT 3.1

                           CERTIFICATE OF DESIGNATIONS

                                       of

                SERIES B JUNIOR PARTICIPATING PREFERRED STOCK

                                       of

                           PHILLIPS PETROLEUM COMPANY

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

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

          PHILLIPS PETROLEUM COMPANY, a corporation organized and existing
under the General Corporation Law of the State of Delaware (hereinafter called
the "Corporation"), hereby certifies that the following resolution was adopted
by the Board of Directors of the Corporation as required by Section 151 of the
General Corporation Law at a meeting duly called and held on July 10, 1989:

          RESOLVED, that pursuant to the authority granted to and vested in
the Board of Directors of this Corporation (hereinafter called the "Board of
Directors" or the "Board") in accordance with the provisions of the Certificate
of Incorporation, the Board of Directors hereby creates a series of Preferred
Stock, par value $1.00 per share (the "Preferred Stock"), of the Corporation and
hereby states the designation and number of shares, and fixes the relative
rights, preferences, and limitations thereof as follows:

          Series B Junior Participating Preferred Stock:

          Section 1. DESIGNATION AND AMOUNT. The shares of such series shall be
designated as "Series B Junior Participating Preferred Stock" (the "Series B
Preferred Stock") and the number of shares constituting the Series B Preferred
Stock shall be 5,000,000. Such number of shares may be increased or decreased by
resolution of the Board of Directors; PROVIDED, that no decrease shall reduce
the number of shares of Series B Preferred Stock to a number less than the
number of shares then outstanding plus the number of shares reserved for
issuance upon the exercise of outstanding options, rights or warrants or upon
the conversion of any outstanding securities issued by the Corporation
convertible into Series B Preferred Stock.

Section 2.  DIVIDENDS AND DISTRIBUTIONS.

          (A) Subject to the rights of the holders of any shares of any series
     of Preferred Stock (or any similar stock) ranking prior and superior to the
     Series B Preferred Stock with respect to dividends, the holders of shares
     of Series B Preferred Stock, in preference


                                       1
<PAGE>

     to the holders of Common Stock, par value $1.25 per share (the "Common
     Stock"), of the Corporation, and of any other junior stock, shall be
     entitled to receive, when, as and if declared by the Board of Directors out
     of funds legally available for the purpose, quarterly dividends payable in
     cash on the first day of March, June, September and December in each year
     (each such date being referred to herein as a "Quarterly Dividend Payment
     Date"), commencing on the first Quarterly Dividend Payment Date after the
     first issuance of a share or fraction of a share of Series B Preferred
     Stock, in an amount per share (rounded to the nearest cent) equal to the
     greater of (a) $1 or (b) subject to the provision for adjustment
     hereinafter set forth, 100 times the aggregate per share amount of all cash
     dividends, and 100 times the aggregate per share amount (payable in kind)
     of all non-cash dividends or other distributions, other than a dividend
     payable in shares of Common Stock or a subdivision of the outstanding
     shares of Common Stock (by reclassification or otherwise), declared on the
     Common Stock since the immediately preceding Quarterly Dividend Payment
     Date or, with respect to the first Quarterly Dividend Payment Date, since
     the first issuance of any share or fraction of a share of Series B
     Preferred Stock. In the event the Corporation shall at any time declare or
     pay any dividend on the Common Stock payable in shares of Common Stock, or
     effect a subdivision or combination or consolidation of the outstanding
     shares of Common Stock (by reclassification or otherwise than by payment of
     a dividend in shares of Common Stock) into a greater or lesser number of
     shares of Common Stock, then in each such case the amount to which holders
     of shares of Series B 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 B Preferred Stock as provided in paragraph (A) of this Section
     immediately after it declares a dividend or distribution on the Common
     Stock (other than a dividend payable in shares of Common Stock); provided
     that, in the event no dividend or distribution shall have been declared on
     the Common Stock during the period between any Quarterly Dividend Payment
     Date and the next subsequent Quarterly Dividend Payment Date, a dividend of
     $1 per share on the Series B 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 B Preferred Stock from the Quarterly Dividend Payment Date
     next preceding the date of issue of such shares, unless the date of issue
     of such shares is prior to the record date for the first Quarterly Dividend
     Payment Date, in which case dividends on such shares shall begin to accrue
     from the date of issue of such shares, or unless the date of issue is a
     Quarterly Dividend Payment Date or is a date after the record date for the
     determination of holders of shares of Series B Preferred Stock entitled to
     receive a quarterly dividend and before such Quarterly Dividend Payment
     Date, in either of which events such dividends shall begin to accrue and be
     cumulative from such Quarterly


                                       2
<PAGE>

     Dividend Payment Date. Accrued but unpaid dividends shall not bear
     interest. Dividends paid on the shares of Series B 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
     B Preferred Stock entitled to receive payment of a dividend or distribution
     declared thereon, which record date shall be not more than 60 days prior to
     the date fixed for the payment thereof.

          Section 3. VOTING RIGHTS. The holders of shares of Series B Preferred
Stock shall have the following voting rights:

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

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

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

          Section 4.  CERTAIN RESTRICTIONS.

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

                                       3
<PAGE>

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

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

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

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

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

          Section 5. REACQUIRED SHARES. Any shares of Series B Preferred Stock
purchased or otherwise acquired by the Corporation in any manner whatsoever
shall be retired and cancelled promptly after the acquisition thereof. All
such shares shall upon their cancellation become authorized but unissued
shares of Preferred Stock and may be reissued as part of a new series of
Preferred Stock subject to the conditions and restrictions on issuance set
forth herein, in the Certificate of Incorporation, or in any other
Certificate of Designations creating a series of Preferred Stock or similar
stock or as otherwise required by law.

          Section 6. LIQUIDATION, DISSOLUTION OR WINDING UP. Upon any
liquidation, dissolution or winding up of the Corporation, no distribution
shall be made (1) to the holders of shares of stock ranking junior (either as to
dividends or upon liquidation, dissolution or winding up) to the Series B
Preferred Stock unless, prior thereto, the holders of shares of Series B
Preferred Stock shall have received $100 per share, plus an amount equal to
accrued and unpaid dividends and distributions thereon, whether or not
declared, to the date of such payment,


                                       4
<PAGE>

provided that the holders of shares of Series B 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 shares of Common Stock, or
(2) to the holders of shares of stock ranking on a parity (either as to
dividends or upon liquidation, dissolution or winding up) with the Series B
Preferred Stock, except distributions made ratably on the Series B
Preferred Stock and all such parity stock in proportion to the total
amounts to which the holders of all such shares are entitled upon such
liquidation, dissolution or winding up. In the event the Corporation shall
at any time declare or pay any dividend on the Common Stock payable in
shares of Common Stock, or effect a subdivision or combination or
consolidation of the outstanding shares of Common Stock (by
reclassification or otherwise than by payment of a dividend in shares of
Common Stock) into a greater or lesser number of shares of Common Stock,
then in each such case the aggregate amount to which holders of shares of
Series B Preferred Stock were entitled immediately prior to such event
under the proviso in clause (1) of the preceding sentence shall be adjusted
by multiplying such amount by a fraction the numerator of which is the
number of shares of Common Stock outstanding immediately after such event
and the denominator of which is the number of shares of Common Stock that
were outstanding immediately prior to such event.

          Section 7. CONSOLIDATION, MERGER, ETC. In case the Corporation shall
enter into any consolidation, merger, combination or other transaction in
which the shares of Common Stock are exchanged for or changed into other
stock or securities, cash and/or any other property, then in any such case
each share of Series B Preferred Stock shall at the same time be similarly
exchanged or changed into an amount per share, subject to the provision for
adjustment hereinafter set forth, equal to 100 times the aggregate amount
of stock, securities, cash and/or any other property (payable in kind), as
the case may be, into which or for which each share of Common Stock is
changed or exchanged. In the event the Corporation shall at any time
declare or pay any dividend on the Common Stock payable in shares of Common
Stock, or effect a subdivision or combination or consolidation of the
outstanding shares of Common Stock (by reclassification or otherwise than
by payment of a dividend in shares of Common Stock) into a 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 B Preferred Stock shall be adjusted by multiplying such
amount by a fraction, the numerator of which is the number of shares of
Common Stock outstanding immediately after such event and the denominator
of which is the number of shares of Common Stock that were outstanding
immediately prior to such event.

          Section 8.  NO REDEMPTION.  The shares of Series B Preferred Stock
shall not be redeemable.

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

          Section 10. AMENDMENT. The Certificate of Incorporation of the
Corporation shall not be amended in any manner which would materially alter
or change the powers,


                                       5
<PAGE>

preferences or special rights of the Series B Preferred Stock so as to affect
them adversely without the affirmative vote of the holders of at least
two-thirds of the outstanding shares of Series B Preferred Stock, voting
together as a single class.


                                       6
<PAGE>


          IN WITNESS WHEREOF, this Certificate of Designations is executed on
behalf of the Corporation by its Senior Vice President and General Counsel this
12th day of July, 1999.

                                          By  /S/  J. BRYAN WHITWORTH
                                          ------------------------------
                                          Name:    J. Byran Whitworth
                                          Title:   Senior Vice President
                                                    and General Counsel



                                       7



                                                                     EXHIBIT 4.1



                    _____________________________________________

                           PHILLIPS PETROLEUM COMPANY
                                       and
                    CHASEMELLON SHAREHOLDER SERVICES, L.L.C.
                                 as Rights Agent
                                    AGREEMENT
                           Dated as of August 1, 1999


                     _____________________________________________

<PAGE>

                               TABLE OF CONTENTS
                                                                      Page
                                                                     NUMBER




Section 1.  Definitions..........................................      1

Section 2.  Appointment of Rights Agent..........................      4

Section 3.  Issue of Right Certificates..........................      4

Section 4.  Form of Right Certificates...........................      6

Section 5.  Countersignature and Registration....................      6

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

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

Section 8.  Cancellation and Destruction of Right Certificates...      8

Section 9.  Availability of Preferred Shares.....................      8

Section 10. Preferred Shares Record Date.........................      9

Section 11. Adjustment of Purchase Price, Number of Shares or
            Number of Rights.....................................      9

Section 12. Certificate of Adjusted Purchase Price or Number of
            Shares...............................................     15

Section 13. Consolidation, Merger or Sale or Transfer of Assets
            or Earning Power.....................................     15

Section 14. Fractional Rights and Fractional Shares..............     16

Section 15. Rights of Action.....................................     17

Section 16. Agreement of Right Holders...........................     17

Section 17. Right Certificate Holder Not Deemed a Stockholder....     18

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

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

                                       i
<PAGE>

                                                                      Page
                                                                     NUMBER

Section 20. Duties of Rights Agent...............................     19

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

Section 22. Issuance of New Right Certificates...................     22

Section 23. Redemption...........................................     22

Section 24. Exchange.............................................     23

Section 25. Notice of Certain Events.............................     24

Section 26. Notices..............................................     25

Section 27. Supplements and Amendments...........................     25

Section 28. Successors...........................................     26

Section 29. Benefits of this Agreement...........................     26

Section 30. Severability.........................................     26

Section 31. Governing Law........................................     26

Section 32. Counterparts.........................................     26

Section 33. Descriptive Headings.................................     26

Signatures.......................................................     27

Exhibit A   -    Form of Certificate of Designations

Exhibit B   -    Form of Right Certificate

Exhibit C   -    Summary of Rights to Purchase Preferred Shares




                                       ii
<PAGE>

          Agreement, dated as of August 1, 1999, between Phillips Petroleum
Company, a Delaware corporation (the "COMPANY"), and ChaseMellon Shareholder
Services, L.L.C., a New Jersey limited liability company, as rights agent (the
"RIGHTS AGENT").

          The Board of Directors of the Company has authorized and declared a
dividend of one preferred share purchase right (a "RIGHT") for each Common Share
(as hereinafter defined) of the Company outstanding on August 1, 1999 (the
"RECORD DATE"), each Right representing the right to purchase one one-hundredth
of a Preferred Share (as hereinafter defined), upon the terms and subject to the
conditions herein set forth, and has further authorized and directed the
issuance of one Right with respect to each Common Share that shall become
outstanding between the Record Date and the earliest of the Distribution Date,
the Redemption Date and the Final Expiration Date (as such terms are hereinafter
defined).

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

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

          (a) "ACQUIRING PERSON" shall mean any Person who or which,
together with all Affiliates and Associates of such Person, shall be the
Beneficial Owner of 15% or more of the Common Shares of the Company then
outstanding, but shall not include the Company, any Subsidiary of the Company,
any employee benefit plan of the Company or any Subsidiary of the Company,
or any entity holding Common Shares for or pursuant to the terms of
any such plan. Notwithstanding the foregoing, no Person shall become an
"Acquiring Person" as the result of an acquisition of Common Shares by the
Company which, by reducing the number of Common Shares of the Company
outstanding, increases the proportionate number of Common Shares of the
Company beneficially owned by such Person to 15% or more of the Common Shares
of the Company then outstanding; PROVIDED, HOWEVER, that, if a Person shall
become the Beneficial Owner of 15% or more of the Common Shares of the
Company then outstanding by reason of share purchases by the Company and
shall, after such share purchases by the Company, become the Beneficial Owner of
any additional Common Shares of the Company, then such Person shall be deemed to
be an "Acquiring Person." Notwithstanding the foregoing, if the Board of
Directors of the Company determines in good faith that a Person who would
otherwise be an "Acquiring Person," as defined pursuant to the foregoing
provisions of this paragraph (a), has become such inadvertently, and such Person
divests as promptly as practicable a sufficient number of Common Shares so that
such Person would no longer be an "Acquiring Person," as defined pursuant to the
foregoing provisions of this paragraph (a), then such Person shall not be deemed
to be an "Acquiring Person" for any purposes of this Agreement.

          (b) "AFFILIATE" shall have the meaning ascribed to such term in
Rule 12b-2 of the General Rules and Regulations under the Exchange Act as
in effect on the date of this Agreement.

                                       1
<PAGE>

          (c) "ASSOCIATE" shall have the meaning ascribed to such term in
Rule 12b-2 of the General Rules and Regulations under the Exchange Act as
in effect on the date of this Agreement.

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

          (i) which such Person or any of such Person's Affiliates or Associates
     beneficially owns, directly or indirectly;

          (ii) which such Person or any of such Person's Affiliates or
     Associates has (A) the right to acquire (whether such right is exercisable
     immediately or only after the passage of time) pursuant to any agreement,
     arrangement or understanding (other than customary agreements with and
     between underwriters and selling group members with respect to a BONA FIDE
     public offering of securities), or upon the exercise of conversion rights,
     exchange rights, rights (other than these Rights), warrants or options, or
     otherwise; PROVIDED, HOWEVER, that a Person shall not be deemed the
     Beneficial Owner of, or to beneficially own, securities tendered pursuant
     to a tender or exchange offer made by or on behalf of such Person or any of
     such Person's Affiliates or Associates until such tendered securities are
     accepted for purchase or exchange; or (B) the right to vote pursuant to any
     agreement, arrangement or understanding; PROVIDED, HOWEVER, that a Person
     shall not be deemed the Beneficial Owner of, or to beneficially own, any
     security if the agreement, arrangement or understanding to vote such
     security (1) arises solely from a revocable proxy or consent given to such
     Person in response to a public proxy or consent solicitation made pursuant
     to, and in accordance with, the applicable rules and regulations
     promulgated under the Exchange Act and (2) is not also then reportable on
     Schedule 13D under the Exchange Act (or any comparable or successor
     report); or

          (iii) which are beneficially owned, directly or indirectly, by any
     other Person with which such Person or any of such Person's Affiliates or
     Associates has any agreement, arrangement or understanding (other than
     customary agreements with and between underwriters and selling group
     members with respect to a bona fide public offering of securities) for the
     purpose of acquiring, holding, voting (except to the extent contemplated by
     the proviso to Section 1(d)(ii)(B) hereof) or disposing of any securities
     of the Company.

          Notwithstanding anything in this definition of Beneficial Ownership to
     the contrary, the phrase "then outstanding," when used with reference to a
     Person's Beneficial Ownership of securities of the Company, shall mean the
     number of such securities then issued and outstanding together with the
     number of such securities not then actually issued and outstanding which
     such Person would be deemed to own beneficially hereunder.

          (e) "BUSINESS DAY" shall mean any day other than a Saturday, a Sunday,
     or a day on which banking institutions in the State of New York or the city
     in which the office of the Rights Agent is located are authorized or
     obligated by law or executive order to close.

                                       2
<PAGE>

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

          (g) "COMMON SHARES" when used with reference to the Company shall
mean the shares of common stock, par value $1.25 per share, of the Company.
"Common Shares" when used with reference to any Person other than the Company
shall mean the capital stock (or equity interest) with the greatest voting
power of such other Person or, if such other Person is a Subsidiary of another
Person, the Person or Persons which ultimately control such first-mentioned
Person.

          (h) "DISTRIBUTION DATE" shall have the meaning set forth in Section
3(a) hereof.

          (i) "EXCHANGE ACT" shall mean the Securities Exchange Act of 1934, as
amended.

          (j) "EXCHANGE RATIO" shall have the meaning set forth in Section
24(a) hereof.

          (k) "FINAL EXPIRATION DATE" shall have the meaning set forth in
Section 7(a) hereof.

          (l) "NASDAQ" shall mean the National Association of Securities
Dealers, Inc. Automated Quotation System.

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

          (n) "PREFERRED SHARES" shall mean shares of Series B Junior
Participating Preferred Stock, par value $1 per share, of the Company having
the rights and preferences set forth in the Form of Certificate of Designations
attached to this Agreement as Exhibit A.

          (o) "PURCHASE PRICE" shall have the meaning set forth in Section 4
hereof.

          (p) "RECORD DATE" shall have the meaning set forth in the second
paragraph hereof.

          (q) "REDEMPTION DATE" shall have the meaning set forth in Section 7(a)
hereof.

          (r) "REDEMPTION PRICE" shall have the meaning set forth in Section
23(a) hereof.

          (s) "RIGHT" shall have the meaning set forth in the second paragraph
hereof.

          (t) "RIGHT CERTIFICATE" shall have the meaning set forth in Section
3(a) hereof.

                                       3
<PAGE>

          (u) "SHARES ACQUISITION DATE" shall mean the first date of public
announcement by the Company or an Acquiring Person that an Acquiring Person has
become such.

          (v) "SUBSIDIARY" of any Person shall mean any corporation or other
entity of which a majority of the voting power of the voting equity securities
or equity interest is owned, directly or indirectly, by such Person.

          (w) "SUMMARY OF RIGHTS" shall have the meaning set forth in Section
3(b) hereof.

          (x) "TRADING DAY" shall have the meaning set forth in Section 11(d)
hereof.

          Section 2.  APPOINTMENT OF RIGHTS AGENT. The Company hereby appoints
the Rights Agent to act as agent for the Company in accordance with the terms
and conditions hereof, and the Rights Agent hereby accepts such appointment. The
Company may from time to time appoint such co-Rights Agents as it may deem
necessary or desirable. The Rights Agent shall have no duty to supervise, and in
no event shall be liable for, the acts or omissions of any such co-Rights Agent.

          Section 3.  ISSUE OF RIGHT CERTIFICATES. (a) Until the earlier of (i)
the tenth day after the Shares Acquisition Date or (ii) the tenth Business Day
(or such later date as may be determined by action of the Board of Directors of
the Company prior to such time as any Person becomes an Acquiring Person) after
the date of the commencement by any Person (other than the Company, any
Subsidiary of the Company, any employee benefit plan of the Company or of any
Subsidiary of the Company or any entity holding Common Shares of the Company
for or pursuant to the terms of any such plan) of, or of the first public
announcement of the intention of any Person (other than the Company, any
Subsidiary of the Company, any employee benefit plan of the Company or of any
Subsidiary of the Company or any entity holding Common Shares of the Company
for or pursuant to the terms of any such plan) to commence, a tender or
exchange offer the consummation of which would result in any Person becoming
the Beneficial Owner of Common Shares of the Company aggregating 15% or more of
the then outstanding Common Shares of the Company (including any such date
which is after the date of this Agreement and prior to the issuance of the
Rights; the earlier of such dates being herein referred to as the "DISTRIBUTION
DATE"), (x) the Rights will be evidenced (subject to the provisions of Section
3(b) hereof) by the certificates for Common Shares of the Company registered in
the names of the holders thereof (which certificates shall also be deemed to be
Right Certificates) and not by separate Right Certificates, and (y) the right
to receive Right Certificates will be transferable only in connection with the
transfer of Common Shares of the Company. As soon as practicable after the
Distribution Date, the Company will prepare and execute, the Rights Agent will
countersign, and the Company will send or cause to be sent (and the Rights
Agent will, if requested and provided with all necessary information, send) by
first-class, insured, postage-prepaid mail, to each record holder of Common
Shares of the Company as of the Close of Business on the Distribution Date, at
the address of such holder shown on the records of the Company, a Right
Certificate, in substantially the form of Exhibit B hereto (a "RIGHT


                                       4
<PAGE>

CERTIFICATE"), evidencing one Right for each Common Share so held. As of the
Distribution Date, the Rights will be evidenced solely by such Right
Certificates.

          (b)  On the Record Date, or as soon as practicable thereafter, the
Company will send a copy of a Summary of Rights to Purchase Preferred Shares, in
substantially the form of Exhibit C hereto (the "SUMMARY OF RIGHTS"), by
first-class, postage-prepaid mail, to each record holder of Common Shares as of
the Close of Business on the Record Date, at the address of such holder shown on
the records of the Company. With respect to certificates for Common Shares of
the Company outstanding as of the Record Date, until the Distribution Date, the
Rights will be evidenced by such certificates registered in the names of the
holders thereof together with a copy of the Summary of Rights attached thereto.
Until the Distribution Date (or the earlier of the Redemption Date or the Final
Expiration Date), the surrender for transfer of any certificate for Common
Shares of the Company outstanding on the Record Date, with or without a copy of
the Summary of Rights attached thereto, shall also constitute the transfer of
the Rights associated with the Common Shares of the Company represented thereby.

          (c) Certificates for Common Shares which become outstanding
(including, without limitation, reacquired Common Shares referred to in the
last sentence of this paragraph (c)) after the Record Date but prior to the
earliest of the Distribution Date, the Redemption Date or the Final Expiration
Date shall have impressed on, printed on, written on or otherwise affixed to
them the following legend:

     This certificate also evidences and entitles the holder hereof to
     certain rights as set forth in an Agreement between Phillips Petroleum
     Company and ChaseMellon Shareholder Services, L.L.C., as Rights Agent,
     dated as of August 1, 1999, as it may be amended from time to time (the
     "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 Phillips Petroleum Company. Under certain circumstances, as set forth in
     the Agreement, such Rights (as defined in the Agreement) will be evidenced
     by separate certificates and will no longer be evidenced by this
     certificate. Phillips Petroleum Company will mail to the holder of this
     certificate a copy of the Agreement without charge after receipt of a
     written request therefor. As set forth in the Agreement, Rights
     beneficially owned by any Person (as defined in the Agreement) who becomes
     an Acquiring Person (as defined in the Agreement) become null and void.

With respect to such certificates containing the foregoing legend, until the
Distribution Date, the Rights associated with the Common Shares of the Company
represented by such certificates shall be evidenced by such certificates alone,
and the surrender for transfer of any such certificate shall also constitute the
transfer of the Rights associated with the Common Shares of the Company
represented thereby. In the event that the Company purchases or acquires any
Common Shares of the Company after the Record Date but prior to the Distribution
Date, any Rights associated with such Common Shares of the Company shall be
deemed cancelled and retired so that the Company shall not be entitled to
exercise any Rights associated with the Common Shares of the Company which are
no longer outstanding.

                                       5
<PAGE>

          Section 4.  FORM OF RIGHT CERTIFICATES. The Right Certificates (and
the forms of election to purchase Preferred Shares and of assignment to be
printed on the reverse thereof) shall be substantially the same as Exhibit B
hereto, and may have such marks of identification or designation and such
legends, summaries or endorsements printed thereon as the Company may deem
appropriate, which do not affect the duties or responsibilities of the Rights
Agent and as are not inconsistent with the provisions of this Agreement, or as
may be required to comply with any applicable law or with any applicable rule
or regulation made pursuant thereto or with any applicable rule or regulation
of any stock exchange or the National Association of Securities Dealers, Inc.,
or to conform to usage. Subject to the provisions of Section 22 hereof, the
Right Certificates shall entitle the holders thereof to purchase such number of
one one-hundredths of a Preferred Share as shall be set forth therein at the
price per one one-hundredth of a Preferred Share set forth therein (the
"PURCHASE PRICE"), but the number of such one one-hundredths of a Preferred
Share and the Purchase Price shall be subject to adjustment as provided herein.

          Section 5.  COUNTERSIGNATURE AND REGISTRATION. The Right Certificates
shall be executed on behalf of the Company by its Chairman of the Board, its
Chief Executive Officer, its President, any of its Vice Presidents or its
Treasurer, either manually or by facsimile signature, shall have affixed
thereto the Company's seal or a facsimile thereof, and 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 countersigned.
In case any officer of the Company who shall have signed any of 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, nevertheless, may be countersigned by the Rights Agent
and issued and delivered by the Company with the same force and effect as
though the individual who signed such Right Certificates had not ceased to be
such officer of the Company; and any Right Certificate may be signed on behalf
of the Company by any individual 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 Agreement any
such individual was not such an officer.

          Following the Distribution Date and receipt by the Rights Agent of
all necessary information, the Rights Agent will keep or cause to be kept, at
its office, books for registration and transfer of the Right Certificates issued
hereunder. Such books shall show the names and addresses of the respective
holders of the Right Certificates, the number of Rights evidenced on its face by
each of the Right Certificates and the date of each of the Right Certificates.

          Section 6.  TRANSFER, SPLIT UP, COMBINATION AND EXCHANGE OF RIGHT
CERTIFICATES; MUTILATED, DESTROYED, LOST OR STOLEN RIGHT CERTIFICATES. Subject
to the provisions of Section 14 hereof, at any time after the Close of Business
on the Distribution Date, and at or prior to the Close of Business on the
earlier of the Redemption Date or the Final Expiration Date, any Right
Certificate or Right Certificates (other than Right Certificates representing
Rights that have become void pursuant to Section 11(a)(ii) hereof or that have
been exchanged pursuant to Section 24 hereof) may be transferred, split up,
combined or exchanged for another Right Certificate or Right Certificates
entitling the registered holder to purchase a like number of one


                                       6
<PAGE>

one-hundredths of a Preferred Share as the Right Certificate or Right
Certificates surrendered then entitled such holder to purchase. Any
registered holder desiring to transfer, split up, combine or exchange any
Right Certificate or Right Certificates shall make such request in writing
delivered to the Rights Agent, and shall surrender the Right Certificate or
Right Certificates to be transferred, split up, combined or exchanged at
the principal office of the Rights Agent. Thereupon the Rights Agent shall
countersign and deliver to the Person entitled thereto a Right Certificate
or Right Certificates, as the case may be, as so requested. The Company may
require payment of a sum sufficient to cover any tax or charge that may be
imposed in connection with any transfer, split up, combination or exchange
of Right Certificates. The Rights Agent shall have no duty or obligation
under this Section unless and until it is satisfied that all such taxes
and/or charges have been paid.

          Upon receipt by the Company and the Rights Agent of evidence
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 make and deliver a new
Right Certificate of like tenor to the Rights Agent for delivery to the
registered holder 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), in whole or
in part, at any time after the Distribution Date, upon surrender of the
Right Certificate, with the form of election to purchase on the reverse
side thereof duly and properly executed, to the Rights Agent at the office
of the Rights Agent, together with payment of the Purchase Price for each
one one-hundredth of a Preferred Share as to which the Rights are
exercised, at or prior to the earliest of (i) the Close of Business on July
31, 2009 (the "FINAL EXPIRATION DATE"), (ii) the time at which the Rights
are redeemed as provided in Section 23 hereof (the "REDEMPTION DATE"), or
(iii) the time at which such Rights are exchanged as provided in Section 24
hereof.

          (b) The Purchase Price for each one one-hundredth of a Preferred Share
purchasable pursuant to the exercise of a Right shall initially be $180,
and shall be subject to adjustment from time to time as provided in Section
11 or 13 hereof, and shall be payable in lawful money of the United States
of America in accordance with paragraph (c) below.

          (c) Upon receipt of a Right Certificate representing exercisable
Rights, with the form of election to purchase duly and properly executed,
accompanied by payment of the Purchase Price for the shares to be purchased
and an amount equal to any applicable tax or charge required to be paid by
the holder of such Right Certificate in accordance with Section 9 hereof by
certified check, cashier's check or money order payable to the order of the
Company, the Rights Agent shall thereupon promptly (i) (A) requisition from
any transfer agent of the Preferred Shares certificates for the number of
Preferred Shares to be purchased and the Company hereby irrevocably
authorizes any such transfer agent to comply with all such requests,


                                       7
<PAGE>

or (B) requisition from the depositary agent depositary receipts representing
such number of one one-hundredths of a Preferred Share as are to be purchased
(in which case certificates for the Preferred Shares represented by such
receipts shall be deposited by the transfer agent of the Preferred Shares
with such depositary agent) and the Company hereby directs such depositary
agent to comply with such request; (ii) when appropriate, requisition from
the Company the amount of cash to be paid in lieu of issuance of fractional
shares in accordance with Section 14 hereof; (iii) promptly after receipt
of such certificates or depositary receipts, cause the same to be delivered
to or upon the order of the registered holder of such Right Certificate,
registered in such name or names as may be designated by such holder; and
(iv) when appropriate, after receipt, promptly deliver such cash to or upon
the order of the registered holder of such Right Certificate.

          (d) In case the registered holder of any Right Certificate shall
exercise less than all the Rights evidenced thereby, a new Right
Certificate evidencing Rights equivalent to the Rights remaining
unexercised shall be issued by the Rights Agent to the registered holder of
such Right Certificate or to such holder's duly authorized assigns, subject
to the provisions of Section 14 hereof.

          Section 8. CANCELLATION AND DESTRUCTION OF RIGHT CERTIFICATES. All
Right Certificates surrendered for the purpose of exercise, transfer, split
up, combination or exchange shall, if surrendered to the Company or to any
of its agents, be delivered to the Rights Agent for cancellation or in
cancelled form, or, if surrendered to the Rights Agent, shall be cancelled
by it, and no Right Certificates shall be issued in lieu thereof except as
expressly permitted by any of the provisions of this Agreement. The Company
shall deliver to the Rights Agent for cancellation and retirement, and the
Rights Agent shall so cancel and retire, any other 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. AVAILABILITY OF PREFERRED SHARES. The Company covenants and
agrees that it will cause to be reserved and kept available out of its
authorized and unissued Preferred Shares or any Preferred Shares held in
its treasury the number of Preferred Shares that will be sufficient to
permit the exercise in full of all outstanding Rights in accordance with
Section 7 hereof. The Company covenants and agrees that it will take all
such action as may be necessary to ensure that all Preferred Shares
delivered upon exercise of Rights shall, at the time of delivery of the
certificates for such Preferred Shares (subject to payment of the Purchase
Price), be duly and validly authorized and issued and fully paid and
nonassessable shares.

          The Company further covenants and agrees that it will pay when due
and payable any and all taxes and charges which may be payable in respect of the
issuance or delivery of the Right Certificates or of any Preferred Shares upon
the exercise of Rights. The Company shall not, however, be required to pay any
tax or charge which may be payable in respect of any transfer or delivery of
Right Certificates to a Person other than, or the issuance or delivery of
certificates or depositary receipts for the Preferred Shares in a name other
than that of, the


                                       8
<PAGE>

registered holder of the Right Certificate evidencing Rights surrendered
for exercise or to issue or to deliver any certificates or depositary
receipts for Preferred Shares upon the exercise of any Rights until any
such tax or charge shall have been paid (any such tax or charge being
payable by the holder of such Right Certificate at the time of surrender)
or until it has been established to the Company's reasonable satisfaction
that no such tax or charge is due.

          Section 10. PREFERRED SHARES RECORD DATE. Each Person in whose name
any certificate for Preferred Shares is issued upon the exercise of Rights
shall for all purposes be deemed to have become the holder of record of the
Preferred Shares 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 applicable
taxes or charges) was made; PROVIDED, HOWEVER, that, if the date of such
surrender and payment is a date upon which the Preferred Shares transfer
books of the Company are closed, such Person shall be deemed to have become
the record holder of such shares on, and such certificate shall be dated,
the next succeeding Business Day on which the Preferred Shares transfer
books of the 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 holder of Preferred Shares for which the Rights shall be
exercisable, including, without limitation, the right to vote, to receive
dividends or other distributions or to exercise any preemptive rights, and
shall not be entitled to receive any notice of any proceedings of the
Company, except as provided herein.

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

          (a) (i)  In the event the Company shall at any time after the date of
this Agreement (A) declare a dividend on the Preferred Shares payable in
Preferred Shares, (B) subdivide the outstanding Preferred Shares, (C)
combine the outstanding Preferred Shares into a smaller number of Preferred
Shares or (D) issue any shares of its capital stock in a reclassification
of the Preferred Shares (including any such reclassification in connection
with a consolidation or merger in which the Company is the continuing or
surviving corporation), except as otherwise provided in this Section 11(a),
the Purchase Price in effect at the time of the record date for such
dividend or of the effective date of such subdivision, combination or
reclassification, and the number and kind of shares of capital stock
issuable on such date, shall be proportionately adjusted so that the holder
of any Right exercised after such time shall be entitled to receive the
aggregate number and kind of shares of capital stock which, if such Right
had been exercised immediately prior to such date and at a time when the
Preferred Shares transfer books of the Company were open, such holder would
have owned upon such exercise and been entitled to receive by virtue of
such dividend, subdivision, combination or reclassification; PROVIDED,
HOWEVER, that in no event shall the consideration to be paid upon the
exercise of one Right be less than the aggregate par value of the shares of
capital stock of the Company issuable upon exercise of one Right.

                                       9
<PAGE>

          (ii)  Subject to Section 24 hereof, in the event any Person becomes an
Acquiring Person, each holder of a Right shall thereafter have a right to
receive, upon exercise thereof at a price equal to the then current Purchase
Price multiplied by the number of one one-hundredths of a Preferred Share for
which a Right is then exercisable, in accordance with the terms of this
Agreement and in lieu of Preferred Shares, such number of Common Shares of the
Company as shall equal the result obtained by (A) multiplying the then current
Purchase Price by the number of one one-hundredths of a Preferred Share for
which a Right is then exercisable and dividing that product by (B) 50% of the
then current per share market price of the Common Shares of the Company
(determined pursuant to Section 11(d) hereof) on the date of the occurrence of
such event. In the event that any Person shall become an Acquiring Person and
the Rights shall then be outstanding, the Company shall not take any action
which would eliminate or diminish the benefits intended to be afforded by the
Rights.

          From and after the occurrence of such event, any Rights that are or
were acquired or beneficially owned by any Acquiring Person (or any Associate or
Affiliate of such Acquiring Person) shall be null and void, and any holder of
such Rights shall thereafter have no right to exercise such Rights under any
provision of this Agreement. No Right Certificate shall be issued pursuant to
Section 3 hereof that represents Rights beneficially owned by an Acquiring
Person whose Rights would be null and void pursuant to the preceding sentence or
any Associate or Affiliate thereof; no Right Certificate shall be issued at any
time upon the transfer of any Rights to an Acquiring Person whose Rights would
be null and void pursuant to the preceding sentence or any Associate or
Affiliate thereof or to any nominee of such Acquiring Person, Associate or
Affiliate; and any Right Certificate delivered to the Rights Agent for transfer
to an Acquiring Person whose Rights would be null and void pursuant to the
preceding sentence shall be cancelled.

          (iii) In the event that there shall not be sufficient Common Shares
issued but not outstanding or authorized but unissued to permit the
exercise in full of the Rights in accordance with subparagraph (ii) above,
the Company shall take all such action as may be necessary to authorize
additional Common Shares for issuance upon exercise of the Rights. In the
event the Company shall, after good faith effort, be unable to take all
such action as may be necessary to authorize such additional Common Shares,
the Company shall substitute, for each Common Share that would otherwise be
issuable upon exercise of a Right, a number of Preferred Shares or fraction
thereof such that the current per share market price of one Preferred Share
multiplied by such number or fraction is equal to the current per share
market price of one Common Share as of the date of issuance of such
Preferred Shares or fraction thereof.

          (b) In case the Company shall fix a record date for the issuance of
rights, options or warrants to all holders of Preferred Shares entitling
them (for a period expiring within 45 calendar days after such record date)
to subscribe for or purchase Preferred Shares (or shares having the same
rights, privileges and preferences as the Preferred Shares ("equivalent
preferred shares")) or securities convertible into Preferred Shares or
equivalent preferred shares at a price per Preferred Share or equivalent
preferred share (or having a conversion price per share, if a security
convertible into Preferred Shares or equivalent preferred shares) less than
the then current per share market price of the Preferred Shares (as defined
in Section 11(d)) on such


                                       10
<PAGE>

record date, the Purchase Price to be in effect after such record date
shall be determined by multiplying the Purchase Price in effect immediately
prior to such record date by a fraction, the numerator of which shall be
the number of Preferred Shares outstanding on such record date plus the
number of Preferred Shares which the aggregate offering price of the total
number of Preferred Shares and/or equivalent preferred shares so to be
offered (and/or the aggregate initial conversion price of the convertible
securities so to be offered) would purchase at such current market price
and the denominator of which shall be the number of Preferred Shares
outstanding on such record date plus the number of additional Preferred
Shares and/or equivalent preferred shares to be offered for subscription or
purchase (or into which the convertible securities so to be offered are
initially convertible); PROVIDED, HOWEVER, that in no event shall the
consideration to be paid upon the exercise of one Right be less than the
aggregate par value of the shares of capital stock of the Company issuable
upon exercise of one Right. In case such subscription price may be paid in
a 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 binding on the
Rights Agent and holders of the Rights. Preferred Shares owned by or held
for the account of the Company shall not be deemed outstanding for the
purpose of any such computation. Such adjustment shall be made successively
whenever such a record date is fixed; and, in the event that such rights,
options or warrants are not so issued, the Purchase 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 the Preferred Shares (including any such
distribution made in connection with a consolidation or merger in which the
Company is the continuing or surviving corporation) of evidences of
indebtedness or assets (other than a regular quarterly cash dividend or a
dividend payable in Preferred Shares) or subscription rights or warrants
(excluding those referred to in Section 11(b) hereof), the Purchase Price
to be in effect after such record date shall be determined by multiplying
the Purchase Price in effect immediately prior to such record date by a
fraction, the numerator of which shall be the then-current per share market
price of the Preferred Shares on such record date, less the fair market
value (as determined in good faith by the Board of Directors of the
Company, whose determination shall be described in a statement filed with
the Rights Agent and shall be binding on the Rights Agent and holders of
the Rights) of the portion of the assets or evidences of indebtedness so to
be distributed or of such subscription rights or warrants applicable to one
Preferred Share and the denominator of which shall be such then-current per
share market price of the Preferred Shares on such record date; PROVIDED,
HOWEVER, that in no event shall the consideration to be paid upon the
exercise of one Right be less than the aggregate par value of the shares of
capital stock of the Company to be issued upon exercise of one Right. Such
adjustments shall be made successively whenever such a record date is
fixed; and, in the event that such distribution is not so made, the
Purchase Price shall again 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, the "current per
share market price" of any security (a "SECURITY" for the purpose of this
Section 11(d)(i)) on any date


                                       11
<PAGE>

shall be deemed to be the average of the daily closing prices per
share of such Security for the 30 consecutive Trading Days immediately
prior to such date; PROVIDED, HOWEVER, that, in the event that the current
per share market price of the Security is determined during a period
following the announcement by the issuer of such Security of (A) a dividend
or distribution on such Security payable in shares of such Security or
Securities convertible into such shares, or (B) any subdivision,
combination or reclassification of such Security and prior to the
expiration of 30 Trading Days 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 per share market
price shall be appropriately adjusted to reflect the current market price
per share equivalent of such Security. 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 Security is not listed or
admitted to trading on the New York Stock Exchange, as reported in the
principal consolidated transaction reporting system with respect to
securities listed on the principal national securities exchange on which
the Security is listed or admitted to trading or, if the Security is 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 Security is 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
Security selected by the Board of Directors of the Company. The term
"Trading Day" shall mean a day on which the principal national securities
exchange on which the Security is listed or admitted to trading is open for
the transaction of business, or, if the Security is not listed or admitted
to trading on any national securities exchange, a Business Day.

          (ii) For the purpose of any computation hereunder, the "current per
share market price" of the Preferred Shares shall be determined in
accordance with the method set forth in Section 11(d)(i). If the Preferred
Shares are not publicly traded, the "current per share market price" of the
Preferred Shares shall be conclusively deemed to be the current per share
market price of the Common Shares as determined pursuant to Section
11(d)(i) hereof (appropriately adjusted to reflect any stock split, stock
dividend or similar transaction occurring after the date hereof),
multiplied by one hundred. If neither the Common Shares nor the Preferred
Shares are publicly held or so listed or traded, "current per share market
price" shall mean the fair value per share as determined in good faith by
the Board of Directors of the Company, whose determination shall be
described in a statement filed with the Rights Agent.

          (e) No adjustment in the Purchase Price shall be required unless such
adjustment would require an increase or decrease of at least 1% in the
Purchase Price; PROVIDED, HOWEVER, that any adjustments 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 one
one-millionth of a Preferred Share or one ten-thousandth of any other share
or security as the case may be. Notwithstanding the first sentence of this
Section 11(e), any adjustment required by this Section



                                       12
<PAGE>

11 shall be made no later than the earlier of (i) three years from the date of
the transaction which requires such adjustment or (ii) the date of the
expiration of the right to exercise any Rights.

          (f) If, as a result of an adjustment made pursuant to Section 11(a)
hereof, the holder of any Right thereafter exercised shall become entitled
to receive any shares of capital stock of the Company other than Preferred
Shares, thereafter the number of such other shares so receivable upon
exercise of any Right shall be subject to adjustment from time to time in a
manner and on terms as nearly equivalent as practicable to the provisions
with respect to the Preferred Shares contained in Section 11(a) through (c)
hereof, inclusive, and the provisions of Sections 7, 9, 10 and 13 hereof
with respect to the Preferred Shares shall apply on like terms to any such
other shares.

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

          (h) Unless the Company shall have exercised its election as provided
in Section 11(i) hereof, upon each adjustment of the Purchase Price as a
result of the calculations made in Sections 11(b) and (c) hereof, 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 Preferred Share (calculated to the
nearest one one-millionth of a Preferred Share) obtained by (A) multiplying
(x) the number of one one-hundredths of a share covered by a Right
immediately prior to this adjustment by (y) the Purchase Price in effect
immediately prior to such adjustment of the Purchase Price and (B) dividing
the product so obtained by the Purchase Price in effect immediately after
such adjustment of the Purchase Price.

          (i) The Company may elect, on or after the date of any adjustment of
the Purchase Price, to adjust the number of Rights in substitution for any
adjustment in the number of one one-hundredths of a Preferred Share
purchasable upon the exercise of a Right. Each of the Rights outstanding
after such adjustment of the number of Rights shall be exercisable for the
number of one one-hundredths of a Preferred Share for which a Right was
exercisable immediately prior to such adjustment. Each Right held of record
prior to such adjustment of the number of Rights shall become that number
of Rights (calculated to the nearest one ten-thousandth) obtained by
dividing the Purchase Price in effect immediately prior to adjustment of
the Purchase Price by the Purchase Price in effect immediately after
adjustment of the Purchase Price. The Company shall make a public
announcement of its election to adjust the number of Rights, indicating the
record date for the adjustment, and, if known at the time, the amount of
the adjustment to be made, with prompt notice thereof to the Rights Agent.
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


                                       13
<PAGE>

evidencing, subject to Section 14 hereof, the additional Rights to
which such holders shall be entitled as a result of such adjustment, or, at
the option of the Company, shall cause to be distributed to such holders of
record in substitution and replacement for the 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 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 in the number of one one-hundredths of a Preferred Share issuable
upon the exercise of the Rights, the Right Certificates theretofore and
thereafter issued may continue to express the Purchase Price and the number
of one one-hundredths of a Preferred Share which were expressed in the
initial Right Certificates issued hereunder.

          (k) Before taking any action that would cause an adjustment reducing
the Purchase Price below one one-hundredth of the then par value, if any,
of the Preferred Shares 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 Preferred Shares 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 (with prompt notice
thereof to the Rights Agent) until the occurrence of such event the issuing
to the holder of any Right exercised after such record date of the
Preferred Shares and other capital stock or securities of the Company, if
any, issuable upon such exercise over and above the Preferred Shares and
other capital stock or securities of the Company, if any, issuable upon
such exercise on the basis of the Purchase Price in effect prior to such
adjustment; PROVIDED, HOWEVER, that the Company shall deliver to such
holder a due bill or other appropriate instrument evidencing such holder's
right to receive such additional shares 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
Shares, issuance wholly for cash of any Preferred Shares at less than the
current market price, issuance wholly for cash of Preferred Shares or
securities which by their terms are convertible into or exchangeable for
Preferred Shares, dividends on Preferred Shares payable in Preferred Shares
or issuance of rights, options or warrants referred to in Section 11(b)
hereof, hereafter made by the Company to holders of the Preferred Shares
shall not be taxable to such stockholders.

          (n) In the event that, at any time after the date of this Agreement
and prior to the Distribution Date, the Company shall (i) declare or pay
any dividend on the Common Shares payable in Common Shares, or (ii) effect
a subdivision, combination or consolidation of the


                                       14
<PAGE>

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

          Section 12.  CERTIFICATE OF ADJUSTED PURCHASE PRICE OR NUMBER OF
SHARES. Whenever an adjustment is made as provided in Section 11 or 13
hereof, the Company shall promptly (a) prepare a certificate setting forth
such adjustment and a brief statement of the facts and computations
accounting for such adjustment, (b) file with the Rights Agent and with
each transfer agent for the Common Shares or the Preferred Shares and the
Securities and Exchange Commission a copy of such certificate and (c) if
such adjustment occurs at any time after the Distribution Date, mail a
brief summary thereof to each holder of a Right Certificate in accordance
with Section 25 hereof. The Rights Agent shall be fully protected in
relying on any certificate or on any adjustment therein contained and shall
have no duty with respect to and shall not be deemed to have knowledge of
any such adjustment unless and until it shall have received such
certificate.

          Section 13. CONSOLIDATION, MERGER OR SALE OR TRANSFER OF ASSETS OR
EARNING POWER. In the event, directly or indirectly, at any time after a
Person has become an Acquiring Person, (a) the Company shall consolidate
with, or merge with and into, any other Person, (b) any Person shall
consolidate with the Company, or merge with and into the Company and the
Company shall be the continuing or surviving corporation of such merger
and, in connection with such merger, all or part of the Common Shares shall
be changed into or exchanged for stock or other securities of any other
Person (or the Company) or cash or any other property, or (c) the Company
shall sell or otherwise transfer (or one or more of its Subsidiaries shall
sell or otherwise transfer), in one or more transactions, assets or earning
power aggregating 50% or more of the assets or earning power of the Company
and its Subsidiaries (taken as a whole) to any other Person other than the
Company or one or more of its wholly-owned Subsidiaries, then, and in each
such case, proper provision shall be made so that (i) each holder of a
Right (except as otherwise provided herein) shall thereafter have the right
to receive, upon the exercise thereof at a price equal to the then current
Purchase Price multiplied by the number of one one-hundredths of a
Preferred Share for which a Right is then exercisable, in accordance with
the terms of this Agreement and in lieu of Preferred Shares, such number of
Common Shares of such other Person (including the Company as successor
thereto or as the surviving corporation) as shall equal the result obtained
by (A) multiplying the then current Purchase Price by the number of one
one-hundredths of a Preferred Share for which a Right is then exercisable
and dividing that product by (B) 50% of the then current per share market
price of the Common Shares of such


                                       15
<PAGE>

other Person (determined pursuant to Section 11(d) hereof) on the date
of consummation of such consolidation, merger, sale or transfer; (ii) the
issuer of such Common Shares shall thereafter be liable for, and shall
assume, by virtue of such consolidation, merger, sale or transfer, all the
obligations and duties of the Company pursuant to this Agreement; (iii) the
term "Company" shall thereafter be deemed to refer to such issuer; and (iv)
such issuer shall take such steps (including, but not limited to, the
reservation of a sufficient number of its Common Shares in accordance with
Section 9 hereof) in connection with such consummation as may be necessary
to assure that the provisions hereof shall thereafter be applicable, as
nearly as reasonably may be, in relation to the Common Shares of the
Company thereafter deliverable upon the exercise of the Rights. The Company
shall not consummate any such consolidation, merger, sale or transfer
unless, prior thereto, the Company and such issuer shall have executed and
delivered to the Rights Agent a supplemental agreement so providing. The
Company shall not enter into any transaction of the kind referred to in
this Section 13 if at the time of such transaction there are any rights,
warrants, instruments or securities outstanding or any agreements or
arrangements which, as a result of the consummation of such transaction,
would eliminate or substantially diminish the benefits intended to be
afforded by the Rights. The provisions of this Section 13 shall similarly
apply to successive mergers or consolidations or sales or other transfers.

          Section 14. FRACTIONAL RIGHTS AND FRACTIONAL SHARES. (a) The Company
shall not be required to issue fractions of Rights or to distribute Right
Certificates which evidence fractional Rights. In lieu of such fractional
Rights, there shall be paid 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 value of a whole Right. For the purposes of this Section 14(a), the
current market value of a whole Right shall be the closing price of the
Rights for the Trading Day immediately prior to the date on which such
fractional Rights would have been otherwise issuable. The closing price 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, as reported in the
principal consolidated transaction reporting system with respect to
securities listed on the principal national securities exchange on which
the Rights are listed or admitted to trading or, if the Rights are not
listed or admitted to trading on any national securities exchange, the last
quoted price or, if not so quoted, the average of the high bid and low
asked prices in the over-the-counter market, as reported by NASDAQ or such
other system then in use or, if on any such date the Rights are not quoted
by any such organization, the average of the closing bid and asked prices
as furnished by a professional market maker making a market in the Rights
selected by the Board of Directors of the Company. If on any such date no
such market maker is making a market in the Rights, the fair value of the
Rights on such date as determined in good faith by the Board of Directors
of the Company shall be used.

          (b) The Company shall not be required to issue fractions of Preferred
Shares (other than fractions which are integral multiples of one one-hundredth
of a Preferred Share) upon exercise of the Rights or to distribute certificates
which evidence fractional Preferred Shares (other than fractions which are
integral multiples of one one-hundredth of a Preferred


                                       16
<PAGE>

Share). Fractions of Preferred Shares in integral multiples of one
one-hundredth of a Preferred Share may, at the election of the Company, be
evidenced by depositary receipts, pursuant to an appropriate agreement
between the Company and a depositary selected by it; PROVIDED that such
agreement shall provide that the holders of such depositary receipts shall
have all the rights, privileges and preferences to which they are entitled
as beneficial owners of the Preferred Shares represented by such depositary
receipts. In lieu of fractional Preferred Shares that are not integral
multiples of one one-hundredth of a Preferred Share, 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 value of one Preferred Share. For the purposes of
this Section 14(b), the current market value of a Preferred Share shall be
the closing price of a Preferred Share (as determined pursuant to the
second sentence of Section 11(d)(i) hereof) for the Trading Day immediately
prior to the date of such exercise.

          (c) The holder of a Right, by the acceptance of the Right, expressly
waives such holder's right to receive any fractional Rights or any
fractional shares upon exercise of a Right (except as provided above).

          Section 15. RIGHTS OF ACTION. All rights of action in respect of this
Agreement, excepting the rights of action given to the Rights Agent under
this Agreement, are vested in the respective registered holders of the
Right Certificates (and, prior to the Distribution Date, the registered
holders of the Common Shares); and any registered holder of any Right
Certificate (or, prior to the Distribution Date, of the Common Shares),
without the consent of the Rights Agent or of the holder of any other Right
Certificate (or, prior to the Distribution Date, of the Common Shares),
may, in such holder's own behalf and for such holder's own benefit,
enforce, and may institute and maintain any suit, action or proceeding
against the Company to enforce, or otherwise act in respect of, such
holder's 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 the Common Shares;

          (b) after the Distribution Date, the Right Certificates are
transferable only on the registry books of the Rights Agent if surrendered
at the office of the Rights Agent, duly endorsed or accompanied by a proper
instrument of transfer; and

          (c) the Company and the Rights Agent may deem and treat the person in
whose name the Right Certificate (or, prior to the Distribution Date, the
associated Common


                                       17
<PAGE>

Shares certificate) 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 associated Common Shares
certificate made by anyone other than the Company or the Rights Agent) for
all purposes whatsoever, and neither the Company nor the Rights Agent shall
be affected by any notice to the contrary.

          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 Preferred
Shares or any other securities of the Company which may at any time be
issuable on the exercise of the Rights represented thereby, nor shall
anything contained herein or in any 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 hereof), 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. The Company agrees to pay to
the Rights Agent reasonable compensation for all services rendered by it
hereunder, and, from time to time, on demand of the Rights Agent, its
reasonable expenses and counsel fees and other disbursements incurred in
the administration, preparation, delivery, amendment and execution of this
Agreement and the exercise and performance of its duties hereunder. The
Company also agrees to indemnify the Rights Agent for, and to hold it
harmless against, any loss, liability, damage, judgment, fine, penalty,
claim, demand, settlement, cost or expense incurred without gross
negligence, bad faith or willful misconduct (as determined by a court of
competent jurisdiction) on the part of the Rights Agent, for any action
taken, suffered or omitted by the Rights Agent in connection with the
acceptance, amendment and administration of this Agreement, including,
without limitation, the costs and expenses of defending against any claim
of liability in the premises. The indemnity provided herein shall survive
the termination of this Agreement and the termination and expiration of the
Rights. The costs and expenses incurred in enforcing this right of
indemnification shall be paid by the Company. Anything to the contrary
notwithstanding, in no event shall the Rights Agent be liable for special,
punitive, indirect, consequential or incidental loss or damage of any kind
whatsoever (including but not limited to lost profits), even if the Rights
Agent has been advised of the likelihood of such loss or damage. Any
liability of the Rights Agent under this Rights Agreement will be limited
to the amount of fees paid by the Company to the Rights Agent.

          The Rights Agent shall be authorized and protected and shall incur
no liability for, or in respect of any action taken, suffered or omitted by it
in connection with, its administration of this Agreement in reliance upon any
Right Certificate or certificate for the Preferred Shares or Common Shares or
for other securities of the Company, instrument of assignment or transfer, power
of attorney, endorsement, affidavit, letter, notice, direction, consent,
certificate, statement, or other paper or document believed by it to be genuine
and to be signed, executed and, where


                                       18
<PAGE>

necessary, verified or acknowledged, by the proper person or persons, or
otherwise upon the advice of counsel as set forth in Section 20 hereof.

          Section 19. MERGER OR CONSOLIDATION OR CHANGE OF NAME OF RIGHTS AGENT.
Any Person into which the Rights Agent or any successor Rights Agent may be
merged or with which it may be consolidated, or any Person resulting from
any merger or consolidation to which the Rights Agent or any successor
Rights Agent shall be a party, or any Person succeeding to the shareholder
services 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 Person would be eligible for
appointment as a successor Rights Agent under the provisions of Section 21
hereof. In case at the time such successor Rights Agent shall succeed to
the agency created by this Agreement, any of the Right Certificates shall
have been countersigned but not delivered, any such successor Rights Agent
may adopt the countersignature of the predecessor Rights Agent and deliver
such 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.

          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 only
the duties and obligations expressly 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 advice or opinion of such counsel shall
be full and complete authorization and protection to the Rights Agent as to
any action taken, suffered or omitted by it in good faith and in accordance
with such advice or 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 per share market price) be proved or
established by the Company prior to taking, suffering or omitting any
action hereunder, such fact or matter (unless other evidence in respect
thereof be herein specifically prescribed) may be deemed to be conclusively
proved and established by a certificate signed by any one of the Chairman
of the Board, the Chief Executive Officer, the President, any Vice


                                       19
<PAGE>

President, the Treasurer or the Secretary of the Company and delivered to
the Rights Agent; and such certificate shall be full authorization and
protection to the Rights Agent and the Rights Agent shall incur no
liability for or in respect of any action taken, suffered or omitted in
good faith by it under the provisions of this Agreement in reliance upon
such certificate.

          (c) The Rights Agent shall be liable hereunder to the Company and any
other Person only for its own gross negligence, bad faith or willful
misconduct as determined by a court of competent jurisdiction.

          (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.

          (e) The Rights Agent shall not be under any liability or
responsibility in respect of the validity of this Agreement or the
execution and delivery hereof (except the due execution hereof by the
Rights Agent) or in respect of the validity or execution of any Right
Certificate (except its countersignature thereof); nor shall it be liable
or 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
liable or responsible for any change in the exercisability of the Rights
(including the Rights becoming null and void pursuant to Section 11(a)(ii)
hereof) or any adjustment in the terms of the Rights (including the manner,
method or amount thereof) provided for in Section 3, 11, 13, 23 or 24
hereof, or the ascertaining of the existence of facts that would require
any such change or adjustment (except with respect to the exercise of
Rights evidenced by Right Certificates after actual notice that such change
or adjustment is required); nor shall it by any act hereunder be deemed to
make any representation or warranty as to the authorization or reservation
of any Preferred Shares to be issued pursuant to this Agreement or any
Right Certificate or as to whether any Preferred Shares will, when issued,
be validly authorized and issued, fully paid and nonassessable.

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

          (g) The Rights Agent is hereby authorized and directed to accept
instructions with respect to the performance of its duties hereunder from
any one of the Chairman of the Board, the Chief Executive Officer, the
President, any Vice President, the Secretary or the Treasurer of the
Company, and to apply to such officers for advice or instructions in
connection with its duties, and it shall not be liable for any action
taken, suffered or omitted by it in good faith in accordance with
instructions of any such officer or for any delay in acting while waiting
for those instructions. Any application by the Rights Agent for written
instructions from the Company may, at the option of the Rights Agent, set
forth in writing any action proposed to be taken, suffered or omitted by
the Rights Agent under this Agreement and the date on and/or after which
such action shall be taken or suffered or such omission shall be effective.
The Rights


                                       20
<PAGE>

Agent shall not be liable for any action taken or suffered by,
or omission of, the rights Agent in accordance with a proposal included in
any such application on or after the date specified in such application
(which date shall not be less than five Business Days after the date any
officer of the Corporation actually receives such application unless any
such officer shall have consented in writing to any earlier date) unless,
prior to taking such action (or the effective date in the case of an
omission), the Rights Agent shall have received written instructions in
response to such application specifying the action to be taken, suffered or
omitted.

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

          (i) The Rights Agent may execute and exercise any of the rights or
powers hereby vested in it or perform any duty hereunder either itself or
by or through its attorneys or agents, and the Rights Agent shall not be
answerable or accountable for any act, default, neglect or misconduct of
any such attorneys or agents or for any loss to the Company resulting from
any such act, default, neglect or misconduct, absent gross negligence, bad
faith or willful misconduct 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 it believes 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 Rights Certificate surrendered to the
Rights Agent for exercise or transfer, the certificate contained in the
form of assignment or the form of election to purchase set forth on the
reverse thereof, as the case may be, has not been completed to certify the
holder is not an Acquiring Person (or an Affiliate or Associate 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 Shares or Preferred Shares by registered or
certified mail, and 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
Shares or Preferred Shares by registered or certified mail, and 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


                                       21
<PAGE>

notified in writing of such resignation or incapacity by the resigning
or incapacitated Rights Agent or by the holder of a Right Certificate
(which holder shall, with such notice, submit such holder's Right
Certificate for inspection by the Company), then the registered holder of
any Right Certificate may apply to any court of competent jurisdiction for
the appointment of a new Rights Agent. Any successor Rights Agent, whether
appointed by the Company or by such a court, shall be organized and doing
business under the laws of the United States or of the State of New York
(or of any other state of the United States), in good standing, which is
authorized to do business under such laws 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
million. 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 Shares or Preferred Shares, and
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,
however, or any defect therein, shall not affect the legality or validity
of the resignation or removal of the Rights Agent or the appointment of the
successor Rights Agent, as the case may be.

          Section 22. ISSUANCE OF NEW 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 the Board of Directors of the Company to
reflect any adjustment or change in the Purchase Price and the number or
kind or class of shares or other securities or property purchasable under
the Right Certificates 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 such time as any Person becomes an
Acquiring Person, redeem all but not less than all the then outstanding
Rights at a redemption price of $.01 per Right, appropriately adjusted to
reflect any stock split, stock dividend or similar transaction occurring
after the date hereof (such redemption price being hereinafter referred to
as the "REDEMPTION PRICE"). The redemption of the Rights by the Board of
Directors of the Company may be made effective at such time, on such basis
and with such conditions as the Board of Directors of the Company, in its
sole discretion, may establish.

          (b) Immediately upon the action of the Board of Directors of the
Company ordering the redemption of the Rights pursuant to paragraph (a) of
this Section 23, and without any further action and without any notice, the
right to exercise the Rights will terminate and the only right thereafter
of the holders of Rights shall be to receive the Redemption Price. The
Company shall promptly give public notice of any such redemption; PROVIDED,
HOWEVER, that the failure to give, or any defect in, any such notice shall
not affect the validity of such redemption. Within 10 days after such
action of the Board of Directors of the Company ordering the redemption of
the Rights, the Company shall mail a notice of redemption to the Rights
Agent


                                       22
<PAGE>

and to all the holders of the then outstanding Rights at their last
addresses as they appear upon the registry books of the Rights Agent or,
prior to the Distribution Date, on the registry books of the transfer agent
for the Common Shares. 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 this Section 23 or in Section 24 hereof, and other than in connection
with the purchase of Common Shares prior to the Distribution Date.

          Section 24. EXCHANGE. (a) The Board of Directors of the Company may,
at its option, at any time after any Person becomes an Acquiring Person,
exchange all or part of the then outstanding and exercisable Rights (which
shall not include Rights that have become null and void pursuant to the
provisions of Section 11(a)(ii) hereof) for Common Shares at an exchange
ratio of one Common Share per Right, appropriately adjusted to reflect any
adjustment in the number of Rights pursuant to Section 11(i) (such exchange
ratio being hereinafter referred to as the "EXCHANGE RATIO").
Notwithstanding the foregoing, the Board of Directors of the Company shall
not be empowered to effect such exchange at any time after any Person
(other than the Company, any Subsidiary of the Company, any employee
benefit plan of the Company or any such Subsidiary, or any entity holding
Common Shares 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 Common Shares then outstanding.

          (b) Immediately upon the action of the Board of Directors of the
Company ordering the exchange of any Rights pursuant to paragraph (a) of
this Section 24 and without any further action and without any notice, the
right to exercise such Rights shall terminate and the only right thereafter
of the holders of such Rights shall be to receive that number of Common
Shares equal to the number of such Rights held by such holder multiplied by
the Exchange Ratio. The Company shall promptly give public notice of any
such exchange with prompt notice thereof to the Rights Agent; PROVIDED,
HOWEVER, that the failure to give, or any defect in, such notice shall not
affect the validity of such exchange. The Company promptly shall mail a
notice of any such exchange to all of the holders of such Rights at their
last addresses as they appear upon the registry books of the Rights Agent.
Any notice which is mailed in the manner herein provided shall be deemed
given, whether or not the holder receives the notice. Each such notice of
exchange will state the method by which the exchange of the Common Shares
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 null and void pursuant to the provisions of Section 11(a)(ii)
hereof) held by each holder of Rights.

          (c) In the event that there shall not be sufficient Common Shares
issued but not outstanding or authorized but unissued to permit any
exchange of Rights as contemplated in accordance with this Section 24, the
Company shall take all such action as may be necessary to authorize additional
Common Shares for issuance upon exchange of the Rights. In the event the
Company shall, after good faith effort, be unable to take all such action as
may be necessary to


                                       23
<PAGE>

authorize such additional Common Shares, the Company shall substitute, for each
Common Share that would otherwise be issuable upon exchange of a Right, a
number of Preferred Shares or fraction thereof such that the current per
share market price of one Preferred Share multiplied by such number or
fraction is equal to the current per share market price of one Common Share
as of the date of issuance of such Preferred Shares or fraction thereof.

          (d) The Company shall not be required to issue fractions of Common
Shares or to distribute certificates which evidence fractional Common
Shares. In lieu of such fractional Common Shares, the Company shall pay to
the registered holders of the Right Certificates with regard to which such
fractional Common Shares would otherwise be issuable an amount in cash
equal to the same fraction of the current market value of a whole Common
Share. For the purposes of this paragraph (d), the current market value of
a whole Common Share shall be the closing price of a Common Share (as
determined pursuant to the second sentence of Section 11(d)(i) hereof) for
the Trading Day immediately prior to the date of exchange pursuant to this
Section 24.

          Section 25. NOTICE OF CERTAIN EVENTS. (a) In case the Company shall,
at any time after the Distribution Date, propose (i) to pay any dividend
payable in stock of any class to the holders of the Preferred Shares or to
make any other distribution to the holders of the Preferred Shares (other
than a regular quarterly cash dividend), (ii) to offer to the holders of
the Preferred Shares rights or warrants to subscribe for or to purchase any
additional Preferred Shares or shares of stock of any class or any other
securities, rights or options, (iii) to effect any reclassification of the
Preferred Shares (other than a reclassification involving only the
subdivision of outstanding Preferred Shares), (iv) to effect any
consolidation or merger into or with, or to effect any sale or other
transfer (or to permit one or more of its Subsidiaries to effect any sale
or other transfer), in one or more transactions, of 50% or more of the
assets or earning power of the Company and its Subsidiaries (taken as a
whole) to, any other Person, (v) to effect the liquidation, dissolution or
winding up of the Company, or (vi) to declare or pay any dividend on the
Common Shares payable in Common Shares or to effect a subdivision,
combination or consolidation of the Common Shares (by reclassification or
otherwise than by payment of dividends in Common Shares), then, in each
such case, the Company shall give to each holder of a Right Certificate and
the Rights Agent, in accordance with Section 26 hereof, a notice of such
proposed action, which shall specify the record date for the purposes of
such stock dividend, or distribution of rights or warrants, or the date on
which such reclassification, consolidation, merger, sale, transfer,
liquidation, dissolution, or winding up is to take place and the date of
participation therein by the holders of the Common Shares and/or Preferred
Shares, if any such date is to be fixed, and such notice shall be so given
in the case of any action covered by clause (i) or (ii) above at least 10
days prior to the record date for determining holders of the Preferred
Shares for purposes of such action, and, in the case of any such other
action, at least 10 days prior to the date of the taking of such proposed
action or the date of participation therein by the holders of the Common
Shares and/or Preferred Shares, whichever shall be the earlier.

          (b) In case the event set forth in Section 11(a)(ii) hereof shall
occur, then the Company shall, as soon as practicable thereafter, give to
each holder of a Right Certificate and the Rights Agent, in accordance with
Section 26 hereof, a notice of the occurrence of such event,


                                       24
<PAGE>

which notice shall describe such event and the consequences of such event to
holders of Rights under Section 11(a)(ii) hereof.

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


          Phillips Petroleum Company
          Phillips Building
          Bartlesville, OK 74004
          Attention: Corporate Secretary

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

          ChaseMellon Shareholder Services, L.L.C.
          85 Challenger Road
          Ridgefield Park, NJ 07660
          Attention: Gary D'Alessandro

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 shall be
sufficiently given or made if sent by first-class mail, postage prepaid,
addressed to such holder at the address of such holder as shown on the registry
books of the Company.

          Section 27. SUPPLEMENTS AND AMENDMENTS. The Company may from time to
time supplement or amend this Agreement without the approval of any holders
of Right Certificates in order to cure any ambiguity, to correct or
supplement any provision contained herein which may be defective or
inconsistent with any other provisions herein, or to make any other
provisions with respect to the Rights which the Company may deem necessary
or desirable, any such supplement or amendment to be evidenced by a writing
signed by the Company and the Rights Agent; PROVIDED, HOWEVER, that, from
and after such time as any Person becomes an Acquiring Person, this
Agreement shall not be amended in any manner which would adversely affect
the interests of the holders of Rights. Without limiting the foregoing, the
Company may at any time prior to such time as any Person becomes an
Acquiring Person amend this Agreement to lower the thresholds set forth in
Sections 1(a) and 3(a) hereof to not less than the greater of (a) the sum
of .001% and the largest percentage of the outstanding Common Shares then
known by the Company to be beneficially owned by any Person (other than the
Company, any Subsidiary of the Company, any employee benefit plan of the
Company or any Subsidiary of the Company, or any entity holding Common
Shares for or pursuant to the terms of any such plan) and (b) 10%.


                                       25
<PAGE>

Upon the delivery of a certificate from an appropriate officer of the
Company which states that the proposed supplement or amendment is in
compliance with the terms of this Section 27, and such supplement or
amendment does not increase the Rights Agent's duties, liabilities or
obligations, the Rights Agent shall execute such supplement or amendment.

          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. 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 Common Shares) 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 Common Shares).

          Section 30. SEVERABILITY. If any term, provision, covenant or
restriction of this Agreement is held by a court of competent jurisdiction
or other authority to be invalid, void or unenforceable, the remainder of
the terms, provisions, covenants and restrictions of this Agreement shall
remain in full force and effect and shall in no way be affected, impaired
or invalidated.

          Section 31. GOVERNING LAW. This Agreement and each Right Certificate
issued hereunder shall be deemed to be a contract made under the laws of
the State of Delaware and for all purposes shall be governed by and
construed in accordance with the laws of such state applicable to contracts
to be made and performed entirely within such state; provided, however,
that all provisions regarding the rights, duties and obligations of the
Rights Agent shall be governed by and construed in accordance with the laws
of the State of New York applicable to contracts made and to be performed
entirely within such state.

          Section 32. COUNTERPARTS. This Agreement may be executed in any number
of counterparts and each of such counterparts shall for all purposes be
deemed to be an original, and all such counterparts shall together
constitute but one and the same instrument.

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



                                       26
<PAGE>

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

Attest:                                 PHILLIPS PETROLEUM COMPANY

By /S/ N.A. LOFTIS                      By /S/ JOHN A. CARRIG
- ---------------------------             -----------------------------------
Name:  N.A. Loftis                      Name:  John A. Carrig
Title: Assistant Treasurer              Title: Vice President and Treasurer

Attest:                                 CHASEMELLON SHAREHOLDER
                                         SERVICES, L.L.C.

By /S/ MARIE SANDAUER                   By /S/ GARY D'ALESSANDRO
- ---------------------------             -----------------------------------
Name:  Marie Sandauer                   Name:  Gary D'Alessandro
Title: Vice President                   Title: Vice President



                                       27
<PAGE>


                                                                       EXHIBIT A

                                      FORM

                                       of

                          CERTIFICATE OF DESIGNATIONS

                                       of

                 SERIES B JUNIOR PARTICIPATING PREFERRED STOCK

                                       of

                           PHILLIPS PETROLEUM COMPANY

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

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

          PHILLIPS PETROLEUM COMPANY, a corporation organized and existing under
the General Corporation Law of the State of Delaware (hereinafter called the
"Corporation"), hereby certifies that the following resolution was adopted by
the Board of Directors of the Corporation as required by Section 151 of the
General Corporation Law at a meeting duly called and held on July 10, 1989:

          RESOLVED, that pursuant to the authority granted to and vested in
the Board of Directors of this Corporation (hereinafter called the "Board of
Directors" or the "Board") in accordance with the provisions of the Certificate
of Incorporation, the Board of Directors hereby creates a series of Preferred
Stock, par value $1.00 per share (the "Preferred Stock"), of the Corporation and
hereby states the designation and number of shares, and fixes the relative
rights, preferences, and limitations thereof as follows:

          Series B Junior Participating Preferred Stock:

          Section 1. DESIGNATION AND AMOUNT. The shares of such series shall be
designated as "Series B Junior Participating Preferred Stock" (the "Series
B Preferred Stock") and the number of shares constituting the Series B
Preferred Stock shall be 5,000,000. Such number of shares may be increased
or decreased by resolution of the Board of Directors; PROVIDED, that no
decrease shall reduce the number of shares of Series B Preferred Stock to a
number less than the number of shares then outstanding plus the number of
shares reserved for issuance upon the exercise of outstanding options,
rights or warrants or upon the conversion of any outstanding securities
issued by the Corporation convertible into Series B Preferred Stock.

          Section 2. DIVIDENDS AND DISTRIBUTIONS.

          (A) Subject to the rights of the holders of any shares of any series
     of Preferred Stock (or any similar stock) ranking prior and superior to the
     Series B Preferred Stock


                                       A-1
<PAGE>

     with respect to dividends, the holders of shares of Series B Preferred
     Stock, in preference to the holders of Common Stock, par value $1.25 per
     share (the "Common Stock"), of the Corporation, and of any other junior
     stock, shall be entitled to receive, when, as and if declared by the Board
     of Directors out of funds legally available for the purpose, quarterly
     dividends payable in cash on the first day of March, June, September and
     December in each year (each such date being referred to herein as a
     "Quarterly Dividend Payment Date"), commencing on the first Quarterly
     Dividend Payment Date after the first issuance of a share or fraction of a
     share of Series B Preferred Stock, in an amount per share (rounded to the
     nearest cent) equal to the greater of (a) $1 or (b) subject to the
     provision for adjustment hereinafter set forth, 100 times the aggregate per
     share amount of all cash dividends, and 100 times the aggregate per share
     amount (payable in kind) of all non-cash dividends or other distributions,
     other than a dividend payable in shares of Common Stock or a subdivision of
     the outstanding shares of Common Stock (by reclassification or otherwise),
     declared on the Common Stock since the immediately preceding Quarterly
     Dividend Payment Date or, with respect to the first Quarterly Dividend
     Payment Date, since the first issuance of any share or fraction of a share
     of Series B Preferred Stock. In the event the Corporation shall at any time
     declare or pay any dividend on the Common Stock payable in shares of Common
     Stock, or effect a subdivision or combination or consolidation of the
     outstanding shares of Common Stock (by reclassification or otherwise than
     by payment of a dividend in shares of Common Stock) into a greater or
     lesser number of shares of Common Stock, then in each such case the amount
     to which holders of shares of Series B 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 B Preferred Stock as provided in paragraph (A) of this Section
     immediately after it declares a dividend or distribution on the Common
     Stock (other than a dividend payable in shares of Common Stock); provided
     that, in the event no dividend or distribution shall have been declared on
     the Common Stock during the period between any Quarterly Dividend Payment
     Date and the next subsequent Quarterly Dividend Payment Date, a dividend of
     $1 per share on the Series B 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 B Preferred Stock from the Quarterly Dividend Payment Date
     next preceding the date of issue of such shares, unless the date of issue
     of such shares is prior to the record date for the first Quarterly Dividend
     Payment Date, in which case dividends on such shares shall begin to accrue
     from the date of issue of such shares, or unless the date of issue is a
     Quarterly Dividend Payment Date or is a date after the record date for the
     determination of holders of shares of Series B Preferred Stock entitled to
     receive a quarterly dividend and before such Quarterly Dividend Payment
     Date, in either of which


                                       A-2
<PAGE>

     events such dividends shall begin to accrue and be cumulative from
     such Quarterly Dividend Payment Date. Accrued but unpaid dividends shall
     not bear interest. Dividends paid on the shares of Series B 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 B Preferred Stock entitled to receive payment of a
     dividend or distribution declared thereon, which record date shall be not
     more than 60 days prior to the date fixed for the payment thereof.

          Section 3. VOTING RIGHTS. The holders of shares of Series B Preferred
Stock shall have the following voting rights:

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

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

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

          Section 4. CERTAIN RESTRICTIONS.

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

                                       A-3
<PAGE>

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

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

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

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

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

          Section 5. REACQUIRED SHARES. Any shares of Series B Preferred Stock
purchased or otherwise acquired by the Corporation in any manner whatsoever
shall be retired and cancelled promptly after the acquisition thereof. All
such shares shall upon their cancellation become authorized but unissued
shares of Preferred Stock and may be reissued as part of a new series of
Preferred Stock subject to the conditions and restrictions on issuance set
forth herein, in the Certificate of Incorporation, or in any other
Certificate of Designations creating a series of Preferred Stock or similar
stock or as otherwise required by law.

          Section 6. LIQUIDATION, DISSOLUTION OR WINDING UP. Upon any
liquidation, dissolution or winding up of the Corporation, no distribution
shall be made (1) to the holders of shares of stock ranking junior (either
as to dividends or upon liquidation, dissolution or winding up) to the
Series B Preferred Stock unless, prior thereto, the holders of shares of
Series B Preferred Stock shall have received $100 per share, plus an amount
equal to accrued and unpaid dividends and distributions thereon, whether or
not declared, to the date of such payment,


                                       A-4
<PAGE>

provided that the holders of shares of Series B 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 shares of Common
Stock, or (2) to the holders of shares of stock ranking on a parity (either
as to dividends or upon liquidation, dissolution or winding up) with the
Series B Preferred Stock, except distributions made ratably on the Series B
Preferred Stock and all such parity stock in proportion to the total
amounts to which the holders of all such shares are entitled upon such
liquidation, dissolution or winding up. In the event the Corporation shall
at any time declare or pay any dividend on the Common Stock payable in
shares of Common Stock, or effect a subdivision or combination or
consolidation of the outstanding shares of Common Stock (by
reclassification or otherwise than by payment of a dividend in shares of
Common Stock) into a greater or lesser number of shares of Common Stock,
then in each such case the aggregate amount to which holders of shares of
Series B Preferred Stock were entitled immediately prior to such event
under the proviso in clause (1) of the preceding sentence shall be adjusted
by multiplying such amount by a fraction the numerator of which is the
number of shares of Common Stock outstanding immediately after such event
and the denominator of which is the number of shares of Common Stock that
were outstanding immediately prior to such event.

          Section 7. CONSOLIDATION, MERGER, ETC. In case the Corporation shall
enter into any consolidation, merger, combination or other transaction in
which the shares of Common Stock are exchanged for or changed into other
stock or securities, cash and/or any other property, then in any such case
each share of Series B Preferred Stock shall at the same time be similarly
exchanged or changed into an amount per share, subject to the provision for
adjustment hereinafter set forth, equal to 100 times the aggregate amount
of stock, securities, cash and/or any other property (payable in kind), as
the case may be, into which or for which each share of Common Stock is
changed or exchanged. In the event the Corporation shall at any time
declare or pay any dividend on the Common Stock payable in shares of Common
Stock, or effect a subdivision or combination or consolidation of the
outstanding shares of Common Stock (by reclassification or otherwise than
by payment of a dividend in shares of Common Stock) into a 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 B Preferred Stock shall be adjusted by multiplying such
amount by a fraction, the numerator of which is the number of shares of
Common Stock outstanding immediately after such event and the denominator
of which is the number of shares of Common Stock that were outstanding
immediately prior to such event.

          Section 8. NO REDEMPTION. The shares of Series B Preferred Stock shall
not be redeemable.

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

          Section 10. AMENDMENT. The Certificate of Incorporation of the
Corporation shall not be amended in any manner which would materially alter
or change the powers,


                                       A-5
<PAGE>

preferences or special rights of the Series B Preferred Stock so as to
affect them adversely without the affirmative vote of the holders of at
least two-thirds of the outstanding shares of Series B Preferred Stock,
voting together as a single class.


                                       A-6
<PAGE>

          IN WITNESS WHEREOF, this Certificate of Designations
is executed on behalf of the Corporation by its         and this     day of
          1999.

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



                                       A-7
<PAGE>

                                                                       EXHIBIT B

                           Form of Right Certificate

Certificate No. R-                                            Rights

               NOT EXERCISABLE AFTER JULY 31, 2009 OR EARLIER IF
               REDEMPTION OR EXCHANGE OCCURS. THE RIGHTS ARE SUB-
               JECT TO REDEMPTION AT $.01 PER RIGHT AND TO EXCHANGE
               ON THE TERMS SET FORTH IN THE AGREEMENT.

                               Right Certificate

                           PHILLIPS PETROLEUM COMPANY

          This certifies that                  , or registered assigns,
is the registered owner of the number of Rights set forth above, each of which
entitles the owner thereof, subject to the terms, provisions and conditions of
the Agreement, dated as of August 1, 1999 (the "Agreement"), between Phillips
Petroleum Company, a Delaware corporation (the "Company"), and ChaseMellon
Shareholder Services, L.L.C. (the "Rights Agent"), to purchase from the Company
at any time after the Distribution Date (as such term is defined in the
Agreement) and prior to 5:00 P.M., New York City time, on July 31, 2009 at the
office of the Rights Agent, or at the office of its successor as Rights Agent,
one one-hundredth of a fully paid non-assessable share of Series B Junior
Participating Preferred Stock, par value $1 per share, of the Company (the
"Preferred Shares"), at a purchase price of $180 per one one-hundredth of a
Preferred Share (the "Purchase Price"), upon presentation and surrender of this
Right Certificate with the Form of Election to Purchase duly executed. The
number of Rights evidenced by this Right Certificate (and the number of one
one-hundredths of a Preferred Share which may be purchased upon exercise hereof)
set forth above, and the Purchase Price set forth above, are the number and
Purchase Price as of July 31, 1999, based on the Preferred Shares as constituted
at such date. As provided in the Agreement, the Purchase Price and the number of
one one-hundredths of a Preferred Share which may be purchased upon the exercise
of the Rights evidenced by this Right Certificate are subject to modification
and adjustment upon the happening of certain events.

          This Right Certificate is subject to all of the terms, provisions
and conditions of the Agreement, which terms, provisions and conditions are
hereby incorporated herein by reference and made a part hereof and to which
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. Copies of
the Agreement are on file at the principal executive offices of the Company and
the offices of the Rights Agent.



                                       B-1
<PAGE>

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

          Subject to the provisions of the Agreement, the Rights evidenced by
this Right Certificate (i) may be redeemed by the Company at a redemption price
of $.01 per Right or (ii) may be exchanged in whole or in part for Preferred
Shares or shares of the Company's Common Stock, par value $1.25 per share.

          No fractional Preferred Shares will be issued upon the exercise of
any Right or Rights evidenced hereby (other than fractions which are integral
multiples of one one-hundredth of a Preferred Share, 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 Agreement.

          No holder of this Right Certificate shall be entitled to vote or
receive dividends or be deemed for any purpose the holder of the Preferred
Shares or of any other securities of the Company which may at any time be
issuable on the exercise hereof, nor shall anything contained in the 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
Agreement), or to receive dividends or subscription rights, or otherwise, until
the Right or Rights evidenced by this Right Certificate shall have been
exercised as provided in the Agreement.

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



                                       B-2
<PAGE>

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

ATTEST:                                 PHILLIPS PETROLEUM COMPANY

- ----------------------------            By
                                          -------------------------------
Name:                                     Name:
Title:                                    Title:
Countersigned:


CHASEMELLON SHAREHOLDER
  SERVICES, L.L.C.

By --------------------------
   Name:
   Title:

                                       B-3
<PAGE>



                   Form of Reverse Side of Right Certificate

                               FORM OF ASSIGNMENT

                (To be executed by the registered holder if such
               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:

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



Signature Guaranteed:
          Signatures must be guaranteed by a member firm of a registered
national securities exchange, a member of the National Association of Securities
Dealers, Inc., or a commercial bank or trust company having an office or
correspondent in the United States.

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

          The undersigned hereby certifies that the Rights evidenced by this
Right Certificate are not beneficially owned by an Acquiring Person or an
Affiliate or Associate thereof (as defined in the Agreement).

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

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

                                       B-4
<PAGE>



             Form of Reverse Side of Right Certificate - continued



                          FORM OF ELECTION TO PURCHASE



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

To: PHILLIPS PETROLEUM COMPANY



          The undersigned hereby irrevocably elects to exercise
Rights represented by this Right Certificate to purchase the Preferred Shares
issuable upon the exercise of such Rights and requests that certificates for
such Preferred Shares be issued in the name of:

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

Please insert social security
or other identifying number


                        (Please print name and address)






Dated:

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



                                       B-5
<PAGE>


             Form of Reverse Side of Right Certificate -- continued



Signature Guaranteed:

          Signatures must be guaranteed by a member firm of a registered
national securities exchange, a member of the National Association of Securities
Dealers, Inc., or a commercial bank or trust company having an office or
correspondent in the United States.

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

          The undersigned hereby certifies that the Rights evidenced by this
Right Certificate are not beneficially owned by an Acquiring Person or an
Affiliate or Associate thereof (as defined in the Agreement).

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

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

                                     NOTICE

          The signature in the Form of Assignment or Form of Election to
Purchase, as the case may be, must conform to the name as written upon the face
of this Right Certificate in every particular, without alteration or enlargement
or any change whatsoever.

          In the event the certification set forth above in the Form of
Assignment or the Form of Election to Purchase, as the case may be, is not
completed, the Company and the Rights Agent will deem the beneficial owner of
the Rights evidenced by this Right Certificate to be an Acquiring Person or an
Affiliate or Associate thereof (as defined in the Agreement) and such Assignment
or Election to Purchase will not be honored.


                                       B-6
<PAGE>


                                                                       EXHIBIT C

                         SUMMARY OF RIGHTS TO PURCHASE
                                PREFERRED SHARES

INTRODUCTION

          On August 1, 1999, the Board of Directors of Phillips Petroleum
Company (the "Company") declared a dividend of one preferred share purchase
right (a "Right") for each outstanding share of common stock, par value $1.25
per share, of the Company (the "Common Shares"). The dividend is payable on
August 1, 1999 (the "Record Date") to the stockholders of record on that date.
The description and terms of the Rights are set forth in an Agreement (the
"Agreement") between the Company and ChaseMellon Shareholder Services, L.L.C.,
as Rights Agent (the "Rights Agent").

PURCHASE PRICE

          Each Right entitles the registered holder to purchase from the
Company one one-hundredth of a share of Series B Junior Participating Preferred
Stock of the Company, par value $1 per share (the "Preferred Shares"), at a
price of $180 per one one-hundredth of a Preferred Share (the "Purchase Price"),
subject to adjustment.

FLIP-IN

          In the event that any person or group of affiliated or associated
persons acquires beneficial ownership of 15% or more of the outstanding Common
Shares (an "Acquiring Person"), each holder of a Right, other than Rights
beneficially owned by the Acquiring Person (which will thereafter be null and
void), will thereafter have the right to receive upon exercise that number of
Common Shares having a market value of two times the exercise price of the
Right.

FLIP-OVER

          If the Company is acquired in a merger or other business combination
transaction or 50% or more of its consolidated assets or earning power are sold
after a person or group has become an Acquiring Person, each holder of a Right
(other than Rights beneficially owned by the Acquiring Person, which will be
void) will thereafter have the right to receive that number of shares of common
stock of the acquiring company which at the time of such transaction will have a
market value of two times the exercise price of the Right.

                                       C-1
<PAGE>

DISTRIBUTION DATE

          The distribution date (the "Distribution Date") is the earlier of

          (i) 10 days following a public announcement that a person or group
of affiliated or associated persons have acquired beneficial ownership of 15% or
more of the outstanding Common Shares; or

          (ii) 10 business days (or such later date as may be determined by
action of the Board of Directors of the Company prior to such time as any person
or group of affiliated persons becomes an Acquiring Person) following the
commencement of, or announcement of an intention to make, a tender offer or
exchange offer the consummation of which would result in the beneficial
ownership by a person or group of 15% or more of the outstanding Common Shares.

TRANSFER AND DETACHMENT

          Until the Distribution Date, the Rights will be evidenced, with
respect to any of the Common Share certificates outstanding as of the Record
Date, by such Common Share certificate with a copy of this Summary of Rights
attached thereto. Until the Distribution Date (or earlier redemption or
expiration of the Rights), the Rights will be transferred with and only with the
Common Shares, and transfer of those certificates will also constitute transfer
of these Rights.

          As soon as practicable following the Distribution Date, separate
certificates evidencing the Rights ("Right Certificates") will be mailed to
holders of record of the Common Shares as of the close of business on the
Distribution Date and such separate Right Certificates alone will thereafter
evidence the Rights.

EXERCISABILITY

          The Rights are not exercisable until the Distribution Date. The
Rights will expire on July 31, 2009 (the "Final Expiration Date"), unless the
Final Expiration Date is extended or unless the Rights are earlier redeemed or
exchanged by the Company, in each case, as described below.

ADJUSTMENTS

          The Purchase Price payable, and the number of Preferred Shares or
other securities or property issuable, upon exercise of the Rights are subject
to adjustment from time to time to prevent dilution in the event of stock
dividends, stock splits, reclassifications, or certain distributions with
respect to the Preferred Shares. The number of outstanding Rights and the number
of one one-hundredths of a Preferred Share issuable upon exercise of each Right
are also subject to adjustment if, prior to the Distribution Date, there is a
stock split of the Common Shares or a stock dividend on the Common Shares
payable in Common Shares or subdivisions, consolidations or combinations of the
Common Shares. With certain exceptions, no adjustment in the Purchase Price will
be required until cumulative adjustments require an adjustment of at least 1% in
such Purchase Price. No fractional Preferred Shares will be issued (other than


                                       C-2
<PAGE>

fractions which are integral multiples of one one-hundredth of a Preferred
Share, which may, at the election of the Company, be evidenced by depositary
receipts) and, in lieu thereof, an adjustment in cash will be made based on the
market price of the Preferred Shares on the last trading day prior to the date
of exercise.

PREFERRED SHARES

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

          The value of the one one-hundredth interest in a Preferred Share
purchasable upon exercise of each Right should, because of the nature of the
Preferred Shares' dividend, liquidation and voting rights, approximate the value
of one Common Share.

EXCHANGE

          At any time after any person or group becomes an Acquiring Person,
and prior to the acquisition by such person or group of 50% or more of the
outstanding Common Shares, the Board of Directors of the Company may exchange
the Rights (other than Rights owned by the Acquiring Person, which will have
become void), in whole or in part, at an exchange ratio of one Common Share, or
one one-hundredth of a Preferred Share (subject to adjustment).

REDEMPTION

          At any time prior to any person or group becoming an Acquiring
Person, the Board of Directors of the Company may redeem the Rights in whole,
but not in part, at a price of $.01 per Right (the "Redemption Price"). The
redemption of the Rights may be made effective at such time on such basis with
such conditions as the Board of Directors in its sole discretion may establish.
Immediately upon any redemption of the Rights, the right to exercise the Rights
will terminate and the only right of the holders of Rights will be to receive
the Redemption Price.

AMENDMENTS

          The terms of the Rights may be amended by the Board of Directors of
the Company without the consent of the holders of the Rights, including an
amendment to lower certain thresholds described above to not less than the
greater of (i) the sum of .001% and the largest percentage of the outstanding
Common Shares then known to the Company to be beneficially owned by any person
or group of affiliated or associated persons and (ii) 10%, except that from and
after such time as any person or group of affiliated or associated persons


                                       C-3
<PAGE>

becomes an Acquiring Person no such amendment may adversely affect the interests
of the holders of the Rights.

RIGHTS AND HOLDERS

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

FURTHER INFORMATION

          A copy of the  Agreement  has been filed with the  Securities  and
Exchange Commission  as  an  Exhibit  to a  Registration  Statement  on  Form
8-A  dated          , 1999. A copy of the 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
Agreement,  which is hereby incorporated herein by reference.


                                       C-4






                                                     EXHIBIT 99.1


NEWS                                              Phillips Petroleum Company
                                                  Media Relations
                                                  Bartlesville, Oklahoma 74004
                                                  www.phillips66.com/newsroom
- ------------------------------------------------------------------------------

Contact:    Edd Grigsby                         FOR IMMEDIATE RELEASE
            918/661-4685                        ---------------------


                     Phillips Declares Dividend Distribution
                       Of Preferred Share Purchase Rights

BARTLESVILLE, Okla., July 2, 1999 -- The board of directors of Phillips
Petroleum Company [NYSE: P] today declared a dividend distribution of one
preferred share purchase right on each outstanding share of Phillips' common
stock. These rights replace and are essentially similar to the company's current
shareholder rights plan, which was adopted in 1989 and will expire on July 31,
1999.

Jim Mulva, chief executive officer and president, stated, "The rights are
designed to assure that all Phillips stockholders receive fair and equal
treatment in the event of any proposed takeover of the company, and to guard
against abusive tactics to gain control of Phillips without paying all
stockholders a premium for that control. The rights are not being adopted in
response to any specific takeover threat, but are a response to the general
takeover environment."

The rights are intended to enable all Phillips stockholders to realize the
long-term value of their investment in the company. The rights will not prevent
a takeover, but should encourage anyone seeking to acquire the company to
negotiate with the board prior to attempting a takeover.

The rights will be exercisable only if a person or group acquires 15 percent or
more of Phillips' common stock or announces a tender offer the consummation of
which would result in ownership by a person or group of 15 percent or more of
the common stock. Each right will entitle stockholders to buy one one-hundredth
of a share of Series B junior participating preferred stock at an exercise price
of $180.

If a person or group acquires 15 percent or more of Phillips' outstanding common
stock, each right will entitle its holder (other than such person or members of
such group) to purchase, at the right's then-current exercise price, a number of
Phillips' common shares having a market value of twice such price. In addition,
if Phillips is acquired in a merger or other business combination transaction
after a person has acquired 15 percent or more of the company's outstanding
common stock, each right will entitle its holder to purchase, at the right's
then-current exercise price, a number of the acquiring company's common shares
having a market value of twice such price. The acquiring person will not be
entitled to exercise these rights.


<PAGE>

Prior to the acquisition by a person or group of beneficial ownership of 15
percent or more of the company's common stock, the rights are redeemable for one
cent per right at the option of the board of directors.

The board of directors also is authorized to reduce the 15 percent thresholds
referred to above to not less than 10 percent.

The dividend distribution will be made on Aug. 1, 1999, payable to stockholders
of record on that date, and is not taxable to stockholders. The rights will
expire on July 31, 2009.


Phillips is a fully integrated petroleum company, with exploration and
production, refining, marketing, chemicals and plastics interests around the
globe. Founded in Bartlesville, Okla., in 1917, the company today has $14
billion of assets and $10 billion of revenues on an annual basis.












   MEDIA RELATIONS: Rob Phillips (director) 918/661-9326 * Kristi Des Jarlais
               (exploration & production; financial) 918/661-6117
            Cheryl Finkenbinder (general company info.) 918/661-6172
  Vernon Johnson (refining, marketing & transportation; chemicals & plastics)
                                  918/661-4974



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