PACCAR INC
8-A12B, 1999-02-08
MOTOR VEHICLES & PASSENGER CAR BODIES
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<PAGE>

                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549


                                    FORM 8-A


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


                                   PACCAR INC
                                   ----------
             (Exact name of registrant as specified in its charter)




                Delaware                                91-0351110
                --------                                ----------
(State of incorporation or organization)   (I.R.S. Employer Identification No.)


  777 - 106th Avenue N.E., Bellevue, WA                    98004
  -------------------------------------                    -----
(Address of principal executive offices)                (Zip Code)


If this form relates to the registration     If this Form relates to the
of a class of debt securities and is         registration of a class of debt
effective upon filing pursuant to General    securities and is to become
Instruction A(c)(1), please check the        effective simultaneously with the
following box.                       /X/     effectiveness of a concurrent
                                             registration statement under the
                                             Securities Act of 1933 pursuant to
                                             General Instruction A(c)(2) please
                                             check the following box.       / /

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

                                                 Name of Each Exchange on
Title of Each Class to be so Registered    Which Each Class is to be Registered
- ---------------------------------------    ------------------------------------

    Preferred Share Purchase Rights                        None

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

                                      None
                                      ----
                                (Title of Class)



                                                                   Page 1 of 7
                                                       Exhibits Index on Page7

<PAGE>



ITEM 1.  DESCRIPTION OF REGISTRANT'S SECURITIES TO BE REGISTERED

         On December 10, 1998, the Board of Directors of PACCAR Inc 
("PACCAR") adopted a new Preferred Share Purchase Rights Plan (the "Rights 
Plan") and declared a dividend of one preferred share purchase right (a 
"Right") on each outstanding share of Common Stock, par value $1.00 per 
share, of PACCAR (the "Common Shares"). This dividend is payable on February 
19, 1999 (the "Record Date") to the stockholders of record on that date. Each 
Right entitles the holder to purchase from PACCAR one ten-thousandth of a 
share of Series A Junior Participating Preferred Stock, no par value per 
share (the "Preferred Shares"), at a price of $200 (the "Purchase Price"), 
subject to adjustment. The description and terms of the Rights are set forth 
in an Agreement (the "Agreement") between PACCAR and First Chicago Trust 
Company of New York, as rights agent.

         The new Rights will be evidenced, with respect to any Common Share 
certificates outstanding as of the Record Date, by those Common Share 
certificates with a copy of the Summary of Rights attached. The Rights will 
only be transferable with the Common Shares, and a transfer of Common Share 
certificates will also constitute a transfer of the corresponding Rights.

         PACCAR will mail separate certificates for the Rights ("Right 
Certificates") shortly after the earliest to occur of the following dates:

         (i)      10 days following a public announcement that a person or 
             group of affiliated or associated persons, other than certain 
             members of the Pigott family and certain related trusts, have 
             acquired beneficial ownership of 15% or more of the outstanding 
             Common Shares (an "Acquiring Person"); or

         (ii)     10 business days following the commencement of, or 
             announcement of an intention to make, a tender offer or exchange 
             offer, the consummation of which would result in a person 
             becoming an Acquiring Person (unless a later date has been set 
             by the Board of Directors prior to the time that any person 
             becomes an Acquiring Person).

         The earlier of the dates described in (i) and (ii) above is called 
the "Distribution Date." The Rights Certificates will be sent to holders of 
record of the Common Shares as of the close of business on the Distribution 
Date, and those separate Rights Certificates will thereafter evidence the 
Rights.

         The Rights cannot be exercised until the Distribution Date. Until a 
Right is exercised, the holder of a Right will have no rights as a 
stockholder of PACCAR, such as the right to vote or to receive dividends. The 
Rights will expire on February 19, 2009. 





                                                                   Page 2 of 7
                                                       Exhibits Index on Page7

<PAGE>

This expiration date may be extended, or the Rights may be redeemed or 
exchanged by PACCAR before they expire, as described below.

         At any time before any person becomes an Acquiring Person, the Board 
of Directors may redeem the Rights in whole, but not in part, at a price of 
$.01 per Right (the "Redemption Price"). 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.

         At any time after any person becomes an Acquiring Person, and before 
that Acquiring Person acquires 50% or more of the outstanding Common Shares, 
the Board of Directors may exchange the Rights (other than any 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 ten-thousandth of Preferred 
Share (subject to adjustment) per Right.

         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 10,000 times the dividend declared per Common Share. In 
the event of liquidation, the holders of the Preferred Shares will be 
entitled to an aggregate payment of 10,000 times the payment made per Common 
Share. Each Preferred Share will have 10,000 votes, and will vote together 
with the Common Shares. In the event of any merger, consolidation or other 
transaction in which Common Shares are exchanged, each Preferred Share will 
be entitled to receive 10,000 times the amount received per Common Share. 
These Preferred Share rights are protected by customary antidilution 
provisions.

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

         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 (i) in the event 
of a stock dividend on, or a subdivision, combination or reclassification of, 
the Preferred Shares; (ii) upon the grant to holders of the Preferred Shares 
of certain rights or warrants to subscribe for or purchase Preferred Shares 
at a price, or Securities Convertible into Preferred Shares with a conversion 
price, less than the current market price of the Preferred Shares; or (iii) 
upon the distribution to holders of the Preferred Shares of evidences of 
indebtedness or assets (other than a regular quarterly cash dividend or a 
dividend payable in Preferred Shares) or of subscription rights or warrants 
(other than those referred to above).

         The number of outstanding Rights and the number of one ten-thousands 
of a Preferred Share issuable upon exercise of each Right are subject to 
adjustment if, prior to the Distribution Date, there is a stock split of the 
Common Shares, a stock dividend on 



                                                                   Page 3 of 7
                                                       Exhibits Index on Page7

<PAGE>

the Common Shares that is 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 
the Purchase Price. No fractional Preferred Shares will be issued (other than 
fractions which are integral multiples of one ten-thousandth of Preferred 
Shares); instead, an adjustment in cash will be made based on the market 
price of the Preferred Shares on the last trading day before the date of 
exercise.

         If any person becomes an Acquiring Person, each holder of a Right, 
(other than Rights beneficially owned by the Acquiring Person, which will 
become void), will be able to exercise their Rights to receive that number of 
Common Shares that has a market value of two times the exercise price of the 
Rights. For instance, if a stockholder holds one Right, he can exercise that 
Right for a number of Common Shares with a market value of $400 (2 x $200 
exercise price). If Common Shares are trading at $50 per share, a stockholder 
will receive eight (8) shares of Common Stock ($400 DIVIDED BY $50).

         If PACCAR is acquired by any person or group (other than certain 
members of the Pigott family and certain related trusts) in a merger or other 
business combination transaction, or if 50% or more of PACCAR's consolidated 
assets or earning power are sold after a person has become an Acquiring 
Person, each holder of a Right (other than Rights beneficially owned by an 
Acquiring Person, which will be void) will be able to exercise their Rights 
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. In this case, a stockholder could exercise 
his Right to get as many shares of Common Stock of the acquiring company that 
could be purchased for $400.

         The Board of Directors may amend the terms of the Rights without the 
consent of the holders of the Rights. At any time before a person becomes an 
Acquiring Person, the Board of Directors may lower the 15% ownership 
threshold, at which point a person becomes an Acquiring Person, to the 
greater of: (a) 10% and (b) the sum of .001% and the largest percentage of 
outstanding Common Shares owned by any person (other than PACCAR, its 
subsidiaries, its employee benefit plans, and certain members of the Pigott 
family and certain related trusts).

         The Rights have certain anti-takeover effects. The Rights can cause 
substantial dilution to a person or group that attempts to acquire PACCAR on 
terms that are not approved by the Board of Directors. The Rights should not 
interfere with any merger or other business combination that is approved by 
the Board of Directors because the Rights may be redeemed by PACCAR prior to 
the time that a person or group has become an Acquiring Person.



                                                                   Page 4 of 7
                                                       Exhibits Index on Page7

<PAGE>

         The Agreement, dated as of December 10, 1998, between PACCAR and 
First Chicago Trust Company of New York, as rights agent, specifying the 
terms of the Rights and including as an exhibit the form of the Certificate 
of Designation, Preferences and Rights setting forth the terms of the 
Preferred Shares, and the form of press release announcing the declaration of 
the Rights are attached to this report as exhibits and are incorporated 
herein by reference. The foregoing description of the Rights is qualified in 
its entirety by reference to these exhibits.

ITEM 2.  EXHIBITS

         The following exhibits are filed as a part of this Registration
Statement:

        Exhibit No.           Description
- --------------------------------------------------------------------------------

         4.1                  Agreement, dated as of December 10, 1998, between
                              PACCAR and First Chicago Trust Company of New
                              York, as Rights Agent, including the form of the
                              Certificate of Designation, Preferences and Rights
                              setting forth the terms of the Series A Junior
                              Participating Preferred Stock, no par value per
                              share, as Exhibit A; the form of Rights
                              Certificate as Exhibit B; and the
                              Summary of Rights to Purchase Preferred Shares as 
                              Exhibit C.

        99.1                  Press Release issued December 10, 1998.






                                                                   Page 5 of 7
                                                       Exhibits Index on Page7

<PAGE>





                                    SIGNATURE


         Pursuant to the requirements of the Securities Exchange Act of 1934, 
as amended, the registrant has duly caused this report to be signed on its 
behalf by the undersigned hereunto duly authorized.

                                                          PACCAR INC

Dated:  February 8, 1999.


                                                          By: /s/ J.M. D'Amato
                                                             -----------------
                                                          J.M. D'AMATO
                                                          SECRETARY




                                                                   Page 6 of 7
                                                       Exhibits Index on Page7

<PAGE>



                                 EXHIBITS INDEX


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

  4.1                 Agreement, dated as of December 10, 1998, between PACCAR
                      and First Chicago Trust Company of New York, as Rights
                      Agent, including the form of the Certificate of
                      Designation, Preferences and Rights setting forth the
                      terms of the Series A Junior Participating Preferred
                      Stock, no par value per share, as Exhibit A; the form of
                      Rights Certificate as Exhibit B; and the Summary of Rights
                      to Purchase Preferred Shares as Exhibit C.

 99.1                 Press release issued December 10, 1998.
                      










                                                                   Page 7 of 7
                                                       Exhibits Index on Page7

<PAGE>


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



                                   PACCAR INC


                                       and


                     FIRST CHICAGO TRUST COMPANY OF NEW YORK


                                  Rights Agent


                                    Agreement


                          Dated as of December 10, 1998



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

<PAGE>

                                 TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                           Page
                                                                          Number
                                                                          ------
<S>                                                                       <C>
Section 1.     Definitions . . . . . . . . . . . . . . . . . . . . . . . .    1

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

Section 3.     Issue of Right Certificates . . . . . . . . . . . . . . . .    7

Section 4.     Form of Right Certificates. . . . . . . . . . . . . . . . .   10

Section 5.     Countersignature and Registration . . . . . . . . . . . . .   11

Section 6.     Transfer, Split Up, Combination and Exchange of Right
               Certificates; Mutilated, Destroyed, Lost or Stolen Right
               Certificates. . . . . . . . . . . . . . . . . . . . . . . .   12

Section 7.     Exercise of Rights; Purchase Price; Expiration
               Date of Rights. . . . . . . . . . . . . . . . . . . . . . .   13

Section 8.     Cancellation and Destruction of Right Certificates. . . . .   15

Section 9.     Availability of Preferred Shares. . . . . . . . . . . . . .   15

Section 10.    Preferred Shares Record Date. . . . . . . . . . . . . . . .   16

Section 11.    Adjustment of Purchase Price, Number of Shares or
               Number of Rights. . . . . . . . . . . . . . . . . . . . . .   17

Section 12.    Certificate of Adjusted Purchase Price or Number
               of Shares . . . . . . . . . . . . . . . . . . . . . . . . .   27

Section 13.    Consolidation, Merger or Sale or Transfer of Assets
               or Earning Power. . . . . . . . . . . . . . . . . . . . . .   28

Section 14.    Fractional Rights and Fractional Shares . . . . . . . . . .   30

Section 15.    Rights of Action. . . . . . . . . . . . . . . . . . . . . .   31

Section 16.    Agreement of Right Holders. . . . . . . . . . . . . . . . .   32

Section 17.    Right Certificate Holder Not Deemed a Stockholder . . . . .   33

Section 18.    Concerning the Rights Agent . . . . . . . . . . . . . . . .   33

Section 19.    Merger or Consolidation or Change of Name of
               Rights Agent. . . . . . . . . . . . . . . . . . . . . . . .   34


                                         -i-

<PAGE>

<CAPTION>
                                                                           Page
                                                                          Number
                                                                          ------
<S>                                                                       <C>
Section 20.    Duties of Rights Agent. . . . . . . . . . . . . . . . . . .   35

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

Section 22.    Issuance of New Right Certificates. . . . . . . . . . . . .   40

Section 23.    Redemption. . . . . . . . . . . . . . . . . . . . . . . . .   40

Section 24.    Exchange. . . . . . . . . . . . . . . . . . . . . . . . . .   41

Section 25.    Notice of Certain Events. . . . . . . . . . . . . . . . . .   43

Section 26.    Notices . . . . . . . . . . . . . . . . . . . . . . . . . .   44

Section 27.    Supplements and Amendments. . . . . . . . . . . . . . . . .   45

Section 28.    Successors. . . . . . . . . . . . . . . . . . . . . . . . .   46

Section 29.    Benefits of this Agreement. . . . . . . . . . . . . . . . .   46

Section 30.    Severability. . . . . . . . . . . . . . . . . . . . . . . .   46

Section 31.    Governing Law . . . . . . . . . . . . . . . . . . . . . . .   47

Section 32.    Counterparts. . . . . . . . . . . . . . . . . . . . . . . .   47

Section 33.    Descriptive Headings. . . . . . . . . . . . . . . . . . . .   47

Signatures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   48
</TABLE>


Exhibit A -    Form of Amended Certificate of Designations

Exhibit B -    Form of Right Certificate

Exhibit C -    Summary of Rights to Purchase Preferred Shares


                                         -ii-

<PAGE>

              Agreement, dated as of December 10, 1998, between PACCAR Inc, a
Delaware corporation (the "COMPANY"), and First Chicago Trust Company of New
York, 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 February 19, 1999
(the "RECORD DATE"), each Right representing the right to purchase one
ten-thousandth 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, any
entity holding Common Shares for or pursuant to the terms of any such plan or
any of the Exempted Family Interests.  Notwithstanding the foregoing, no Person
shall become


                                         -1-

<PAGE>

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.

              (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.


                                         -2-
<PAGE>

              (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


                                         -3-
<PAGE>

              (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(c)(ii)(B) hereof) or
       disposing of any securities of the Company.

              Notwithstanding anything in this definition of Beneficial
Ownership to the contrary, (i) a person serving as a trustee of the Trusts shall
not be deemed to be the Beneficial Owner of or to beneficially own the Common
Shares held in the Trusts, and (ii) 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 are
authorized or obligated by law or executive order to close.

              (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.


                                         -4-
<PAGE>

              (g)    "COMMON SHARES" when used with reference to the Company
shall mean the shares of common stock, par value $1.00 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)    "EXEMPTED FAMILY INTERESTS" shall mean collectively the
holdings of the natural children and natural grandchildren of Paul Pigott and
Theiline (Pigott) McCone (the "IMMEDIATE PIGOTT FAMILY"), any trust or
foundation to which any of the foregoing has transferred or may transfer
securities of the Company, the trusts at Bank America Corporation holding Common
Shares for descendants of Paul Pigott and Theiline Pigott, any trust established
for the primary benefit of any member of the Immediate Pigott Family or any of
their respective heirs or legatees, any trust of which any member of the
Immediate Pigott Family serves as a trustee (collectively, the "TRUSTS") or any
Affiliate or Associates of any of the foregoing.

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

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


                                         -5-
<PAGE>

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

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

              (o)    "PREFERRED SHARES" shall mean shares of Series A Junior
Participating Preferred Stock, no par value per share, of the Company having the
rights and preferences set forth in the Form of Amended Certificate of
Designations attached to this Agreement as Exhibit A.

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

              (q)    "RECORD DATE" shall have the meaning set forth in the
second paragraph of this Agreement.

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

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

              (t)    "RIGHT" shall have the meaning set forth in the second
paragraph of this Agreement.

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

              (v)    "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.


                                         -6-
<PAGE>

              (w)    "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.

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

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

              (z)    "TRUSTS" shall have the meaning set forth in the definition
of "Exempted Family Interests."

              SECTION 2.    APPOINTMENT OF RIGHTS AGENT.  The Company hereby
appoints the Rights Agent to act as agent for the Company and the holders of the
Rights (who, in accordance with Section 3 hereof, shall, prior to the
Distribution Date, also be the holders of the Common Shares of 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.

              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 pursu-


                                         -7-
<PAGE>

ant to the terms of any such plan or any of the Exempted Family Interests) 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 or any of the
Exempted Family Interests) 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, 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 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.


                                         -8-
<PAGE>

              (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 PACCAR Inc and First Chicago
       Trust Company of New York, dated as of December 10, 1998, 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 PACCAR Inc  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.  PACCAR Inc 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


                                         -9-
<PAGE>

       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.

              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 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 ten-thousandths of a Preferred Share as shall be set forth
therein at the price per one ten-thousandths of a Preferred Share set forth
therein (the "PURCHASE PRICE"), but the number of


                                         -10-
<PAGE>

such one ten-thousandths 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, the Rights Agent will keep or
cause to be kept, at its principal 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 Certifi-


                                         -11-
<PAGE>

cates, 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 ten-thousandths
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 governmental charge that may be imposed in connection with any
transfer, split up, combination or exchange of Right Certificates.

              Upon receipt by the Company and the Rights Agent of evidence
reasonably satisfactory to them of the loss, theft, destruction or mutilation of
a Right Certificate, and, in case of loss, theft or destruction, of indemnity or
security reasonably satisfactory to them, and, at the


                                         -12-
<PAGE>

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 executed, to the Rights Agent at the principal office of the Rights Agent,
together with payment of the Purchase Price for each one ten-thousandth of a
Preferred Share as to which the Rights are exercised, at or prior to the
earliest of (i) the Close of Business on February 19, 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 ten-thousandth of a
Preferred Share purchasable pursuant to the exercise of a Right shall initially
be $200, 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 executed,
accompanied by payment of the Purchase Price


                                         -13-
<PAGE>

for the shares to be purchased and an amount equal to any applicable transfer
tax 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, or (B)
requisition from the depositary agent depositary receipts representing such
number of one ten-thousandths 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 registered holder of such Right
Certificate or to such holder's duly authorized assigns, subject to the
provisions of Section 14 hereof.


                                         -14-
<PAGE>

              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 federal and state transfer 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


                                         -15-
<PAGE>

Rights.  The Company shall not, however, be required to pay any transfer tax
which may be payable in respect of any transfer or delivery of 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 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 shall have
been paid (any such tax 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 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 transfer
taxes) 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.


                                         -16-
<PAGE>

              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.


                                         -17-
<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 ten-thousandths 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 ten-thousandths 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 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 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
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
Cer-


                                         -18-
<PAGE>

tificate delivered to the Rights Agent for transfer to an Acquiring Person whose
Rights would be 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 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


                                         -19-
<PAGE>

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


                                         -20-
<PAGE>

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; 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 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 subdivi-


                                         -21-
<PAGE>

sion, 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


                                         -22-
<PAGE>

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 ten thousand.  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
hundred-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 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
Pre-


                                         -23-
<PAGE>

ferred 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 ten-thousandths 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 ten-thousandths of a Preferred Share (calculated to the nearest one
hundred-millionth of a Preferred Share) obtained by (A) multiplying (x) the
number of one ten-thousandths of a share covered by a Right immediately prior to
this adjustment by (y) the Purchase Price in effect immediately prior to such
adjustment of the Purchase Price and (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 ten-thousandths 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


                                         -24-
<PAGE>

number of one ten-thousandths 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.  This record date
may be the date on which the Purchase Price is adjusted or any day thereafter,
but, if the Right Certificates have been issued, shall be at least 10 days later
than the date of the public announcement.  If Right Certificates have been
issued, upon each adjustment of the number of Rights pursuant to this Section
11(i), the Company shall, as promptly as practicable, cause to be distributed to
holders of record of Right Certificates on such record date Right Certificates
evidencing, subject to Section 14 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 Certifiates 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 ten-thousandths of a Preferred Share issuable upon
the exercise of the Rights, the


                                         -25-
<PAGE>

Right Certificates theretofore and thereafter issued may continue to express the
Purchase Price and the number of one ten-thousandths 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 ten-thousandth 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 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,


                                         -26-
<PAGE>

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 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 ten-thousandths of a Preferred Share purchasable after such
event upon proper exercise of each Right shall be determined by multiplying the
number of one ten-thousandths 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


                                         -27-
<PAGE>

promptly (a) prepare a certificate setting forth such adjustment and a brief
statement of the facts 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.

              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
ten-thousandths 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


                                         -28-
<PAGE>

(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 ten-thousandths 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 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.


                                         -29-
<PAGE>

              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.


                                         -30-
<PAGE>

              (b)    The Company shall not be required to issue fractions of
Preferred Shares (other than fractions which are integral multiples of one
ten-thousandth 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 ten-thousandth of a Preferred
Share).  Fractions of Preferred Shares in integral multiples of one
ten-thousandth 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
ten-thousandth 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 Section 18 hereof, are vested in the respective registered holders of the
Right Certificates (and, prior to the Distribution Date, the


                                         -31-
<PAGE>

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 principal office of the Rights Agent, duly endorsed or accompanied by a
proper instrument of transfer; and


                                         -32-
<PAGE>

              (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 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
and execution of this Agreement and the exercise and


                                         -33-
<PAGE>

performance of its duties hereunder.  The Company also agrees to indemnify the
Rights Agent for, and to hold it harmless against, any loss, liability, or
expense incurred without negligence, bad faith or willful misconduct on the part
of the Rights Agent, for anything done or omitted by the Rights Agent in
connection with the acceptance and administration of this Agreement, including
the costs and expenses of defending against any claim of liability in the
premises.

              The Rights Agent shall be protected and shall incur no liability
for, or in respect of any action taken, suffered or omitted by it in connection
with, its administration of this Agreement in reliance upon any 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 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 corporation into which the Rights Agent or any successor Rights
Agent may be merged or with which it may be consolidated, or any corporation
resulting from any merger or consolidation to which the Rights Agent or any
successor Rights Agent shall be a party, or any corporation succeeding to the
stock transfer or corporate trust powers of the Rights Agent or any successor
Rights Agent, shall be the successor to the Rights Agent under this Agreement
without the execution or filing of any paper or any further act on the part of
any of the parties hereto; PROVIDED that such corporation would be eligible for
appointment as a successor Rights Agent under the provisions of Section 21
hereof.  In case at the time such successor Rights Agent shall succeed to


                                         -34-
<PAGE>

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
the duties and obligations imposed by this Agreement upon the following terms
and conditions, by all of which the Company and the holders of Right
Certificates, by their acceptance thereof, shall be bound:

              (a)    The Rights Agent may consult with legal counsel (who may be
legal counsel for the Company), and the opinion of such counsel shall be full
and complete authorization


                                         -35-
<PAGE>

and protection to the Rights Agent as to any action taken or omitted by it in
good faith and in accordance with such opinion.

              (b)    Whenever in the performance of its duties under this
Agreement the Rights Agent shall deem it necessary or desirable that any fact or
matter be proved or established by the Company prior to taking or suffering any
action hereunder, such fact or matter (unless other evidence in respect thereof
be herein specifically prescribed) may be deemed to be conclusively proved and
established by a certificate signed by any one of the Chairman of the Board, the
Chief Executive Officer, the President, any Vice President, the Treasurer or the
Secretary of the Company and delivered to the Rights Agent; and such certificate
shall be full authorization to the Rights Agent for any action taken or suffered
in good faith by it under the provisions of this Agreement in reliance upon such
certificate.

              (c)    The Rights Agent shall be liable hereunder to the Company
and any other Person only for its own negligence, bad faith or willful
misconduct.

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

              (e)    The Rights Agent shall not be under any responsibility in
respect of the validity of this Agreement or the execution and delivery hereof
(except the due execution hereof by the Rights Agent) or in respect of the
validity or execution of any Right Certificate (except its countersignature
thereof); nor shall it be responsible for any breach by the Company of any


                                         -36-
<PAGE>

covenant or condition contained in this Agreement or in any Right Certificate;
nor shall it be responsible for any change in the exercisability of the Rights
(including the Rights becoming void pursuant to Section 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 or suffered by it in
good faith in accordance with instructions of any such officer or for any delay
in acting while waiting for those instructions.


                                         -37-
<PAGE>

              (h)    The Rights Agent and any stockholder, director, officer or
employee of the Rights Agent may buy, sell or deal in any of the Rights or other
securities of the Company or become pecuniarily interested in any transaction in
which the Company may be interested, or contract with or lend money to the
Company or otherwise act as fully and freely as though it were not 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 legal entity.

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

              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
appoint-


                                         -38-
<PAGE>

ment within a period of 30 days after giving notice of such removal or after it
has been notified in writing of such resignation or incapacity by the resigning
or incapacitated Rights Agent or by the holder of a Right Certificate (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 a corporation 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 so long as such corporation is authorized to do business as a
banking institution in the State of New York), in good standing, having an
office in the State of New York, which is authorized under such laws to exercise
corporate trust or stock transfer powers and is subject to supervision or
examination by federal or state authority and which has at the time of its
appointment as Rights Agent a combined capital and surplus of at least $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.


                                         -39-
<PAGE>

              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 all the holders of the then


                                         -40-
<PAGE>

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 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 or any of the Exempted Family Interests), together with all
Affiliates and Associates of such Person, becomes the Beneficial Owner of 50% or
more of the Common Shares then outstanding.


                                         -41-
<PAGE>

              (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 a
holder 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; 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 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 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


                                         -42-
<PAGE>

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 Com-


                                         -43-
<PAGE>

pany 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, 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 Shaes 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, in accordance with Section 26 hereof, a
notice of the occurrence of such event, which notice shall describe such event
and the consequences of such event to holders of Rights under Section 11(a)(ii)
hereof.

              SECTION 26.   NOTICES.  Notices or demands authorized by this
Agreement to be given or made by the Rights Agent or by the holder of any Right
Certificate to or on the Com-


                                         -44-
<PAGE>

pany 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:

              PACCAR Inc
              P.O. Box 1518
              Bellevue, Washington  98009
              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:

              First Chicago Trust Company of New York
              525 Washington Boulevard
              Jersey City, New Jersey  07310
              Attention:  Corporate Actions


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


                                         -45-
<PAGE>

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 or any of the Exempted Family Interests)
and (b) 10%.

              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


                                         -46-
<PAGE>

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.

              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.


                                         -47-
<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:                                   PACCAR INC

By /s/Janice M. D'amato                   By  /s/Mark C. Pigott
   ------------------------------             ------------------------------
   Name:  JANICE M. D'AMATO               Name:  MARK C. PIGOTT
   Title: SECRETARY                       Title: CHAIRMAN AND
                                                 CHIEF EXECUTIVE OFFICER

Attest:                                   FIRST CHICAGO TRUST COMPANY OF
                                                 NEW YORK

By  /s/ Shirley Grant                     By /s/ Joanne Gorostila
   ------------------------------             ------------------------------
   Name:  SHIRLEY GRANT                   Name:  JOANNE GOROSTILA
   Title: CUSTOMER SERVICE OFFICER        Title  ASSISTANT VICE PRESIDENT


                                         -48-
<PAGE>

                                                                       EXHIBIT A

                                        FORM

                                         of

                                      AMENDED

                            CERTIFICATE OF DESIGNATIONS

                                         of

                   SERIES A JUNIOR PARTICIPATING PREFERRED STOCK

                                         of

                                     PACCAR INC

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

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

          PACCAR Inc, a corporation organized and existing under the General
Corporation Law of the State of Delaware (hereinafter called the "Corporation"),
hereby certifies that a resolution substantially similar to 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 December 10, 1998:

          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 amends, effective as of February
19, 1999, the Certificate of Designations establishing the Series A Junior
Participating Preferred Stock, filed on December 28, 1989, as amended (the
"Certificate"), as follows:

          Series A Junior Participating Preferred Stock:

          SECTION 1.     DESIGNATION AND AMOUNT.  The shares of such series
shall be designated as "Series A Junior Participating Preferred Stock" (the
"Series A Preferred Stock") and the number of shares constituting the Series A
Preferred Stock shall be 50,000.  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 A Preferred Stock to a number less
than the number of shares then outstanding plus the number of shares reserved
for issuance upon the ex-


                                         A-1
<PAGE>

ercise of outstanding options, rights or warrants or upon the conversion of any
outstanding securities issued by the Corporation convertible into Series A
Preferred Stock.

          SECTION 2.     DIVIDENDS AND DISTRIBUTIONS.

          (A)  Subject to the rights of the holders of any shares of any
     series of Preferred Stock, no par value per share (the "Preferred
     Stock"), of the Corporation (or any similar stock) ranking prior and
     superior to the Series A Preferred Stock with respect to dividends, the
     holders of shares of Series A Preferred Stock, in preference to the
     holders of Common Stock, par value $1.00 per share (the "Common Stock"),
     of the Corporation, and of any other junior stock, shall be entitled to
     receive, when, as and if declared by the Board of Directors out of funds
     legally available for the purpose, quarterly dividends payable in cash on
     the first day of March, June, September and December in each year (each
     such date being referred to herein as a "Quarterly Dividend Payment
     Date"), commencing on the first Quarterly Dividend Payment Date after the
     first issuance of a share or fraction of a share of Series A 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, 10,000 times the aggregate per share amount of all
     cash dividends, and 10,000 times the aggregate per share amount (payable
     in kind) of all non-cash dividends or other distributions, other than a
     dividend payable in shares of Common Stock or a subdivision of the
     outstanding shares of Common Stock (by reclassification or otherwise),
     declared on the Common Stock since the immediately preceding Quarterly
     Dividend Payment Date or, with respect to the first Quarterly Dividend
     Payment Date, since the first issuance of any share or fraction of a
     share of Series A Preferred Stock.  In the event the Corporation shall at
     any time declare or pay any dividend on the Common Stock payable in
     shares of Common Stock, or effect a subdivision or combination or
     consolidation of the outstanding shares of Common Stock (by
     reclassification or otherwise than by payment of a dividend in shares of
     Common Stock) into a greater or lesser number of shares of Common Stock,
     then in each  such case the amount to which holders of shares of Series A
     Preferred Stock were entitled immediately prior to such event under
     clause (b) of the preceding sentence shall be adjusted by multiplying
     such amount by a fraction, the numerator of which is the number of shares
     of Common Stock outstanding immediately after such event and the
     denominator of which is the number of shares of Common Stock that were
     outstanding immediately prior to such event.

          (B)  The Corporation shall declare a dividend or distribution on
     the Series A Preferred Stock as provided in paragraph (A) 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 A Preferred Stock shall
     nevertheless be payable on such subsequent Quarterly Dividend Payment
     Date.


                                         A-2
<PAGE>

          (C)  Dividends shall begin to accrue and be cumulative on
     outstanding shares of Series A Preferred Stock from the Quarterly
     Dividend Payment Date next preceding the date of issue of such shares,
     unless the date of issue of such shares is prior to the record date for
     the first Quarterly Dividend Payment Date, in which case dividends on
     such shares shall begin to accrue from the date of issue of such shares,
     or unless the date of issue is a Quarterly Dividend Payment Date or is a
     date after the record date for the determination of holders of shares of
     Series A Preferred Stock entitled to receive a quarterly dividend and
     before such Quarterly Dividend Payment Date, in either of which events
     such dividends shall begin to accrue and be cumulative from such
     Quarterly Dividend Payment Date.  Accrued but unpaid dividends shall not
     bear interest.  Dividends paid on the shares of Series A Preferred Stock
     in an amount less than the total amount of such dividends at the time
     accrued and payable on such shares shall be allocated pro rata on a
     share-by-share basis among all such shares at the time outstanding.  The
     Board of Directors may fix a record date for the determination of holders
     of shares of Series A Preferred Stock entitled to receive payment of a
     dividend or distribution declared thereon, which record date shall be not
     more than 60 days prior to the date fixed for the payment thereof.

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

          (A)  Subject to the provision for adjustment hereinafter set
     forth, each share of Series A Preferred Stock shall entitle the holder
     thereof to 10,000 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 A Preferred Stock were entitled immediately prior to
     such event shall be adjusted by multiplying such number by a fraction,
     the numerator of which is the number of shares of Common Stock
     outstanding immediately after such event and the denominator of which is
     the number of shares of Common Stock that were outstanding immediately
     prior to such event.

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

          (C)  Except as set forth herein, or as otherwise provided by
     law, holders of Series A 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.


                                         A-3
<PAGE>

          SECTION 4.     CERTAIN RESTRICTIONS.

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

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

               (ii) declare or pay dividends, or make any other
          distributions, on any shares of stock ranking on a parity (either
          as to dividends or upon liquidation, dissolution or winding up)
          with the Series A Preferred Stock, except dividends paid ratably
          on the Series A 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 A 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 A Preferred
          Stock; or

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

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

          SECTION 5.     REACQUIRED SHARES.  Any shares of Series A Preferred
Stock purchased or otherwise acquired by the Corporation in any manner
whatsoever shall be retired and 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


                                         A-4
<PAGE>

the Certificate of Incorporation, or in any other Certificate of Designations
creating a series of Preferred Stock or any similar stock or as otherwise
required by law.

          SECTION 6.     LIQUIDATION, DISSOLUTION OR WINDING UP.  Upon any
liquidation, dissolution or winding up of the Corporation, no distribution shall
be made (1) to the holders of shares of stock ranking junior (either as to
dividends or upon liquidation, dissolution or winding up) to the Series A
Preferred Stock unless, prior thereto, the holders of shares of Series A
Preferred Stock shall have received $10,000 per share, plus an amount equal to
accrued and unpaid dividends and distributions thereon, whether or not declared,
to the date of such payment, provided that the holders of shares of Series A
Preferred Stock shall be entitled to receive an aggregate amount per share,
subject to the provision for adjustment hereinafter set forth, equal to 10,000
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 A Preferred Stock, except distributions made ratably on the Series A
Preferred Stock and all such parity stock in proportion to the total amounts to
which the holders of all such shares are entitled upon such liquidation,
dissolution or winding up.  In the event the Corporation shall at any time
declare or pay any dividend on the Common Stock payable in shares of Common
Stock, or effect a subdivision or combination or consolidation of the
outstanding shares of Common Stock (by reclassification or otherwise than by
payment of a dividend in shares of Common Stock) into a greater or lesser number
of shares of Common Stock, then in each such case the aggregate amount to which
holders of shares of Series A  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 pior to such event.

          SECTION 7.     CONSOLIDATION, MERGER, ETC.  In case the Corporation
shall enter into any consolidation, merger, combination or other transaction in
which the shares of Common Stock are exchanged for or changed into other stock
or securities, cash and/or any other property, then in any such case each share
of Series A 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 10,000 times the aggregate amount of stock,
securities, cash and/or any other property (payable in kind), as the case may
be, into which or for which each share of Common Stock is changed or exchanged.
In the event the Corporation shall at any time 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 A Preferred Stock shall be adjusted by
multiplying such amount by a fraction, the numerator of which is the number of
shares of Common Stock outstanding immediately after such event and the
denominator of which is the number of shares of Common Stock that were
outstanding immediately prior to such event.


                                         A-5
<PAGE>

          SECTION 8.     NO REDEMPTION.  The shares of Series A Preferred
Stock shall not be redeemable.

          SECTION 9.     RANK.  The Series A 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, preferences or special rights of the Series A 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 A 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 Chairman of the Board and attested by its
Secretary this _____ day of December 1998.

                              /s/ Mark C. Pigott
                              ---------------------------------
                                   CHAIRMAN OF THE BOARD


Attest:

/s/ Janice M. D'Amato
- ---------------------
SECRETARY


                                         A-7
<PAGE>

                                                                       EXHIBIT B

                             Form of Right Certificate

Certificate No. R-                                 ____ Rights

          NOT EXERCISABLE AFTER FEBRUARY 19, 2009 OR EARLIER IF REDEMPTION
          OR EXCHANGE OCCURS.  THE RIGHTS ARE SUBJECT TO REDEMPTION AT $.01
          PER RIGHT AND TO EXCHANGE ON THE TERMS SET FORTH IN THE AGREEMENT.

                                 Right Certificate

                                     PACCAR INC

          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 December 10, 1998 (the "Agreement"), between PACCAR
Inc, a Delaware corporation (the "Company"), and First Chicago Trust Company of
New York (the "Rights Agent"), to purchase from the Company at any time after
the Distribution Date (as such term is defined in the Agreement) and prior to
5:00 P.M., New York City time, on February 19, 2009 at the principal office of
the Rights Agent, or at the office of its successor as Rights Agent, one
ten-thousandth of a fully paid non-assessable share of Series A Junior
Participating Preferred Stock, no par value per share, of the Company (the
"Preferred Shares"), at a purchase price of $200 per one ten-thousandth 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
ten-thousandths 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 December 10, 1998, based on the Preferred Shares as
constituted at such date.  As provided in the Agreement, the Purchase Price and
the number of one ten-thousandths 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 $1.00 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 ten-thousandth 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:                                 PACCAR INC

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

Countersigned:

FIRST CHICAGO TRUST COMPANY OF NEW YORK
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:  PACCAR INC

          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>

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 December 10, 1998, the Board of Directors of PACCAR Inc (the
"Company") declared a dividend of one preferred share purchase right (a "Right")
for each outstanding share of common stock, par value $1.00 per share, of the
Company (the "Common Shares").  The dividend is payable on February 19, 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 First Chicago Trust Company of New York, as Rights Agent (the
"Rights Agent").

PURCHASE PRICE

          Each Right entitles the registered holder to purchase from the Company
one ten-thousandth of a share of Series A Junior Participating Preferred Stock
of the Company, no par value per share (the "Preferred Shares"), at a price of
$200 per one ten-thousandth 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 (other than an existing group defined in the Agreement and certain
related trusts) 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 by any person or group (other than an
existing group defined in the Agreement and certain related trusts) 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 is the earlier of

          (i)   10 days following a public announcement that a person or group
of affiliated or associated persons (other than an existing group defined in the
Agreement and certain related trusts) 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 February 19, 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 ten-thousandths 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


                                         C-2
<PAGE>

are integral multiples of one ten-thousandth 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 10,000 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 $10,000 per share but if a payment
is made on the Common Shares, the Preferred Shares will be entitled to an
aggregate payment of 10,000 times the payment made per Common Share.  Each
Preferred Share will have 10,000 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
10,000 times the amount received per Common Share.  These rights are protected
by customary antidilution provisions.

          The value of the one ten-thousandth 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 ten-thousandth 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 (other than an existing group


                                         C-3
<PAGE>

defined in the Agreement and certain related trusts) 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.

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 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

<PAGE>


                                                                   G. Glen Morie
                                                                  (425) 468-7499

FOR IMMEDIATE RELEASE


                       PACCAR RENEWS SHAREHOLDER RIGHTS PLAN

BELLEVUE, WASHINGTON, DECEMBER 10, 1998 - The Board of Directors of PACCAR Inc
today unanimously adopted a new Preferred Share Purchase Rights Plan ("poison
pill"), replacing as of February 19, 1999 the current plan which was scheduled
to expire at the end of 1999.  The new  plan will expire in February 2009 and is
very similar to the current plan.


In connection with the adoption of the new Rights Plan, the board authorized the
redemption of the rights issued under the current Plan for a one-time payment of
$.0043 for each right outstanding on February 19, 1999.  Each share of common
stock has one right. The redemption payment to shareholders will be included
with the quarterly dividend payment on March 5, 1999.  The company intends to
record the redemption payment as a dividend for tax purposes.


Under the new Rights Plan, the rights will be exercisable if a person or group
acquires 15 percent or more of PACCAR's common stock or announces a tender offer
which would result in ownership of 15 percent or more of the common stock.  Each
right will entitle shareholders to buy one ten-thousandth of a share of an
amended series of junior participating preferred stock at an exercise price of
$200.


If a person or group acquires 15 percent or more of PACCAR's outstanding common
stock, each right will entitle its holder to purchase additional PACCAR common
shares at a substantially reduced price.  In addition, if PACCAR is acquired
after the rights are exercisable, each right will entitle its holder to purchase
the acquiring company's common shares at a substantially reduced price.  The
acquiring company or person will not be entitled to exercise these rights.


Prior to the acquisition by a person or group with beneficial ownership of 15
percent or more of

<PAGE>

the company's common stock, the rights are redeemable for $.01 per right at the
option of the board of directors.  Also, under the new Rights Plan, the board of
directors may reduce the 15 percent ownership threshold referred to above to ten
percent.


The dividend distribution of the new rights will be made on February 19, 1999,
payable to shareholders of record on that date, and is not taxable to
shareholders.  Adoption of the new Rights Plan is a continuation of the
company's existing defenses and was not taken in response to any specific
takeover threat.


PACCAR, a $6.5 billion company, is a leader in the design, development and
manufacture of high quality light-, medium- and heavy-duty trucks.  The company
sells its trucks worldwide under the Kenworth, Peterbilt, DAF and Foden
nameplates.  It also provides financial services and distributes truck parts
related to its principal business.  In addition, the Bellevue, Washington-based
company manufactures industrial winches and sells general automotive parts and
accessories through its retail outlets.


PACCAR shares are traded on the NASDAQ Exchange, symbol PCAR, and its homepage
can be found at www.paccar.com.






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