MID AMERICAN ENERGY HOLDINGS CO /NEW/
8-A12B, 1999-03-12
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<PAGE>


                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                             -----------------------

                                    FORM 8-A

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

                       MidAmerican Energy Holdings Company
                       -----------------------------------
             (Exact name of registrant as specified in its charter)

                 Iowa                                    94-2213782
- ---------------------------------------        ---------------------------------
(State of incorporation or organization)       (IRS Employer Identification No.)

666 Grand Avenue, Des Moines, Iowa                                      50309
- ---------------------------------------                                 -----
(Address of principal executive offices)                              (Zip Code)

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

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

     Securities Act registration statement file number to which this form
relates: N/A
         ---

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

Title of each class                               Name of each exchange on which
to be so registered                               each class is to be registered
- -------------------                               ------------------------------

Preferred Stock Purchase Rights                   New York Stock Exchange
                                                  Pacific Exchange, Inc.


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

                                      None
                                ----------------
                                (Title of class)



<PAGE>






Item 1.  Description of Securities to be Registered.
         -------------------------------------------

         On March 12, 1999, the Board of Directors of MidAmerican Energy
Holdings Company (the "Company") declared a dividend of one preferred share
purchase right (a "Right") for each outstanding share of common stock, no par
value, of the Company (the "Common Shares"), of the Company. The dividend is
payable on March 15, 1999 (the "Record Date") to the shareholders of record on
that date. Each Right entitles the registered holder to purchase from the
Company one one-hundredth of a share of Series A Junior Preferred Stock, no par
value, (the "Preferred Shares"), of the Company, at a price of $52 per one
one-hundredth of a Preferred Share (the "Purchase Price"), subject to
adjustment. The description and terms of the Rights are set forth in a Rights
Agreement dated as of March 12, 1999 (the "Rights Agreement") between the
Company and ChaseMellon Shareholder Services, L.L.C., as Rights Agent (the
"Rights Agent").

          The Rights will be represented by the certificates for Common Shares
and will not be exercisable or transferable separate from the Common Shares
until the earlier to occur of (i) 10 days following a public announcement that a
person or group of affiliated or associated persons (an "Acquiring Person") has
acquired, or obtained the right to acquire, beneficial ownership of 20% or more
of the outstanding Common Shares (without the prior approval of the Company's
Board of Directors) or (ii) 10 days following the commencement of or
announcement of an intention to make, a tender offer or exchange offer (without
the prior approval of the Company's Board of Directors) the consummation of
which would result in the beneficial ownership by a person or group of 30% or
more of such outstanding Common Share (the earlier of such dates being called
the "Distribution Date").

         In the event that the Company is acquired in a merger or other business
combination transaction or 50% or more of its consolidated assets or earning
power are sold, proper provision will be made so that each holder of a Right
will thereafter have the right to receive, upon the exercise thereof at the then
current exercise price of the Right, that number of shares of common stock or
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 the event that any Person
becomes an Acquiring Person, proper provision shall be made so that 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 Preferred Shares having a market value of two times the
exercise price of the Right.

         The Rights will first become exercisable on the Distribution Date
(unless sooner redeemed) and could then begin trading separately from the Common
Shares. The Rights will expire on November 30, 1999 (the "Final Expiration
Date"), unless the Final Expiration Date is extended or unless the Rights are
earlier redeemed by the Company, in each case, as described below.

         At any time prior to, or within ten days after, the acquisition by a
person or group of affiliated or associated persons of beneficial ownership of
20% or more of the outstanding Common Shares, the Board of Directors of the
Company may redeem the Rights



                                       -2-

<PAGE>


in whole, but not in part, at a price of $.02 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.

         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 extend the Final Expiration Date, and, provided there is no Acquiring Person,
to extend the period during which the Rights may be redeemed, except that from
and after such time as any person becomes an Acquiring Person no such amendment
may adversely affect the interests of the holders of the Rights.

         Until a Right is exercised, the holder thereof, as such, will have no
rights as a shareholder of the Company, including, without limitation, the right
to vote or to receive dividends. The Rights Agent is ChaseMellon Shareholder
Services, L.L.C.

         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 then current market price of the Preferred Shares or (iii) upon the
distribution to holders of the Preferred Shares of evidences of indebtedness or
assets (excluding regular periodic cash dividends paid out of earnings or
retained earnings or dividends 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 one-hundredths
of a Preferred Share issuable upon exercise of each Right are also subject to
adjustment in the event of 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 occurring, in any such case,
prior to the Distribution Date.

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

         With certain exceptions, no adjustments in the Purchase Price will be
required until cumulative adjustments require an adjustment of at least 1% in
such Purchase Price. No



                                       -3-

<PAGE>


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

          One Right will be distributed to shareholders of the Company for each
Common Share owned of record of them on March 15, 1999. Until the Distribution
Date, the Company will issue one Right with each Common Share that shall become
outstanding so that all Common Shares will have attached Rights. The Company has
initially authorized and reserved 588,320 Preferred Shares for issuance upon
exercise of the Rights.

          On March 12, 1999 (the "Effective Date"), in order to effect a change
in its state of incorporation, CalEnergy Company, Inc., a Delaware corporation
("CalEnergy"), merged with and into its wholly owned subsidiary, Maverick
Reincorporation Sub, Inc., an Iowa corporation ("Maverick"), which was the
surviving corporation in the merger. This reincorporation (the
"Reincorporation") was effected in connection with Maverick's acquisition of
MidAmerican Energy Holdings Company, which was also consummated on the Effective
Date. In connection with the Reincorporation, Maverick changed its name to
"MidAmerican Energy Holdings Company." The Reincorporation was approved by
CalEnergy's stockholders on October 30, 1998. As a result of the
Reincorporation, each issued and outstanding share of CalEnergy common stock,
par value $.0675 per share ("CalEnergy Common Stock"), was automatically
converted into one share of the Company's common stock, no par value.

          The Rights have certain anti-takeover effects. The Rights may cause
substantial dilution to a person or group that attempts to acquire the Company
on terms not approved by the Board of Directors of the Company, except pursuant
to an offer conditioned on a substantial number of Rights being acquired. The
Rights should not interfere with any merger or other business combination
approved by the Board of Directors prior to the time that a



                                       -4-

<PAGE>


person or group has acquired beneficial ownership of 20% or more of the Common
Shares, since until such time the Rights may be redeemed by the Company at $.02
per Right.

         The present distribution of the Rights is not taxable to the Company or
its shareholders. The Rights are not dilutive and will not affect reported
earnings per share. The Company will receive no proceeds from the issuance of
the Rights as a dividend.

         The Rights Agreement between the Company and the Rights Agent
specifying the terms of the Rights, which includes as exhibits the Certificate
of Designations of Series A Junior Preferred Stock setting forth the terms of
the Preferred Shares, the form of Rights Certificate and the Summary of Rights
to Purchase Preferred Shares, is attached hereto as an exhibit and incorporated
herein by reference. The foregoing description of the Rights is qualified by
reference to such exhibit.


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

         1.   Rights Agreement dated as of March 12, 1999 between MidAmerican
              Energy Holdings Company and ChaseMellon Shareholder Services,
              L.L.C., as Rights Agent, which includes as Exhibit A the Articles
              of Amendment to the Company's Amended and Restated Articles of
              Incorporation setting forth the terms of the Preferred Shares, as
              Exhibit B the form of Rights Certificate and as Exhibit C the
              Summary of Rights to Purchase Preferred Shares pursuant to the
              Rights Agreement. Rights Certificates will not be mailed until as
              soon as practicable after the earlier of the tenth day after
              public announcement that a person or group has acquired beneficial
              ownership of 20% or more of the Common Shares or the tenth day
              after a person commences, or announces an intention to commence, a
              tender or exchange offer the consummation of which would result in
              a person beneficially owning 30% or more of the Common Shares.





                                       -5-

<PAGE>




                                    SIGNATURE


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





                                    MIDAMERICAN ENERGY HOLDINGS COMPANY



                                     By: /s/ Steven A. McArthur
                                         --------------------------
                                         Name:  Steven A. McArthur
                                         Title: Sr. Vice President and Secretary



Dated as of March 12, 1999


                                       -6-


<PAGE>









                                RIGHTS AGREEMENT



                                     between

                       MidAmerican Energy Holdings Company

                                       and

                    ChaseMellon Shareholder Services, L.L.C.





                           Dated as of March 12, 1999



<PAGE>

<TABLE>

                                TABLE OF CONTENTS
<CAPTION>

                                                                            Page
                                                                            ----
<S>         <C>                                                              <C>
Section 1.  Certain Definitions................................................1

Section 2.  Appointment of Rights Agent........................................6

Section 3.  Issue of Rights Certificates.......................................7

Section 4.  Form of Rights Certificates........................................9

Section 5.  Countersignature and Registration.................................10

Section 6.  Transfer, Split Up, Combination and Exchange of
                 Rights Certificates; Mutilated, Destroyed,
                 Lost or Stolen Rights Certificates...........................11

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

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

Section 9.  Reservation and 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............................................29

Section 13.  Consolidation, Merger or Sale or Transfer of
                  Assets or Earning Power.....................................30

Section 14.  Fractional Rights and Fractional Shares..........................32

Section 15.  Rights of Action.................................................34

Section 16.  Agreement of Right Holders.......................................35

Section 17.  Rights Certificates Holder Not Deemed a
                  Shareholder.................................................36

Section 18.  Concerning the Rights Agent......................................36

Section 19.  Merger or Consolidation or Change of Name of Rights Agent........37

Section 20.  Duties of Rights Agent...........................................38




                                       -i-

<PAGE>


Section 21.  Change of Rights Agent...........................................41

Section 22.  Issuance of New Rights Certificates..............................43

Section 23.  Redemption and Amendment.........................................44

Section 24.  Exchange.........................................................45

Section 25.  Notice of Certain Events.........................................47

Section 26.  Notices..........................................................49

Section 27. Supplements and Amendments........................................50

Section 28.  Successors.......................................................51

Section 29.  Benefits of this Agreement.......................................51

Section 30.  Severability.....................................................51

Section 31.  Governing Law....................................................51

Section 32.  Counterparts.....................................................52

Section 33.  Descriptive Headings.............................................52

Signatures   .................................................................53

Exhibit A--  Form of Articles of Amendment to the Amended and Restated Articles
                  of Incorporation

Exhibit B--  Form of Rights Certificate

Exhibit C--  Summary of Rights to Purchase Preferred
                  Shares
</TABLE>



                                      -ii-

<PAGE>


                                RIGHTS AGREEMENT
                                ----------------

     This Rights Agreement is entered into as of March 12, 1999, by MIDAMERICAN
ENERGY HOLDINGS COMPANY, a Iowa corporation (the "Company"), and CHASEMELLON
SHAREHOLDER SERVICES, L.L.C. (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 March 15, 1999 (the
"Record Date"), each Right representing the right to purchase one one-hundredth
of a Preferred Share (as hereinafter defined), upon the terms and subject to the
conditions herein set forth, and has further authorized and directed the
issuance of one Right with respect to each Common Share that shall become
outstanding between the Record Date and the earliest of the Distribution Date,
the Redemption Date and the Final Expiration Date (as such terms are hereinafter
defined).

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

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

     (a) "Acquiring Person" shall mean any Person (as such term is hereinafter
defined) who or which, together with all Affiliates and Associates (as such
terms are hereinafter defined)



<PAGE>


of such Person, and without the prior approval of the Company's Board of
Directors, shall be the Beneficial Owner (as such term is hereinafter defined)
of 20% or more of the Common Shares then outstanding, but shall not include the
Company, any Subsidiary (as such term is hereinafter defined) of the Company or
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.

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

     (c) 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



                                       -2-

<PAGE>


     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 of the
     Exchange Act and (2) is not also then reportable on Schedule 13D under the
     Exchange Act (or any comparable or successor report); or

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



                                       -3-

<PAGE>


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

     (e) "Close of business" on any given date shall mean 5:00 P.M., New York
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.

     (f) "Common Shares" when used with reference to the Company shall mean the
shares of common stock, with par value of $0.0675, 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.

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

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

     (i) An "Offer" shall mean a written proposal delivered to the Company by
any Person who both beneficially owns 1% or less of the outstanding Common
Shares as of the date such proposal is delivered and who has not within one year
prior to the delivery of such written proposal beneficially owned in excess of
1% of the outstanding Common Shares and disclosed, or caused the disclosure of,
any intention which relates to or would result in



                                       -4-

<PAGE>


the acquisition, or influence of control, of the Company (an "Offeror"), and
which proposal:

          (i) provides for the acquisition of all of the outstanding shares of
     Voting Stock held by any Person other than the Offeror and its Affiliates
     for cash at the same price;

          (ii) is accompanied by a written opinion of a nationally recognized
     investment banking firm which is addressed to holders of shares of Voting
     Stock other than the Offeror and its Affiliates and states that the price
     to be paid to such holders pursuant to the Offer is fair to such holders;

          (iii) states that the Offeror has obtained written financing
     commitments from recognized financing sources, and/or has on hand cash or
     cash equivalents, for the full amount of all financing necessary to
     consummate the Offer; and

          (iv) requests the Company to call a special meeting of the holders of
     Voting Stock for the purpose of voting on a resolution requesting the Board
     of Directors to accept such Offer and contains a written agreement of the
     Offeror to pay (or share with any other Offeror) at least one-half of the
     Company's costs of such special meeting (exclusive of the Company's costs
     of preparing and mailing proxy material for its own solicitation).



                                       -5-

<PAGE>


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

     (k) "Preferred Shares" shall mean shares of Preferred Stock, without par
value of the Company having the rights and preferences set forth in the form of
Articles of Amendment attached to this Agreement as Exhibit A.

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

     (m) "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.

     (n) "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.

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

     Section 2. Appointment of Rights Agent. The Company hereby appoints the
Rights Agent to act as agent for the Company in accordance with the terms and
conditions hereof, and the Rights Agent hereby accepts such appointment. The
Company may from time



                                       -6-

<PAGE>


to time appoint such co-Rights Agents as it may deem necessary or desirable.

     Section 3. Issue of Rights Certificates. (a) Until the earlier of (i) the
tenth day after the Shares Acquisition Date or (ii) the tenth day after the date
of the commencement 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 any Subsidiary of the Company or any entity
holding Common Shares for or pursuant to the term of any such plan) to commence,
a tender or exchange offer the consummation of which would result in any Person
becoming the Beneficial Owner of Common Shares aggregating 30% or more of the
then outstanding Common Shares (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 registered in the name of the holders thereof
(which certificates shall also be deemed to be Rights Certificates) and not by
separate Rights Certificates, and (y) the right to receive Rights Certificates
will be transferable only in connection with the transfer of Common Shares. 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 as of the
close of



                                       -7-

<PAGE>


business on the Distribution Date, at the Address of such holder shown on the
records of the Company, a Rights Certificate, in substantially the form of
Exhibit B hereto (a "Rights Certificate"), evidencing one Right for each Common
Share so held. As of the Distribution Date, the Rights will be evidenced solely
by such Rights Certificates.

     (b) On the Record Date or as soon as practicable thereafter, the Company
will send a copy of a Summary of Rights to purchase Preferred Shares, in
substantially the form of Exhibit C hereto (the "Summary of Rights"), by
first-class, postage-prepaid mail, to each record holder of Common Shares as of
the close of business on the Record Date, at the address of such holder shown on
the records of the Company. With respect to certificates for Common Shares
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 Final Expiration
Date), the surrender for transfer of any certificate for Common Shares
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 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



                                       -8-

<PAGE>


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 a Rights Agreement between MidAmerican Energy
     Holdings Company and ChaseMellon Shareholder Services, L.L.C., dated as of
     March 12, 1999 (the "Rights Agreement"), the terms of which are hereby
     incorporated herein by reference and a copy of which is on file at the
     principal executive offices of MidAmerican Energy Holdings Company Under
     certain circumstances, as set forth in the Rights Agreement, such Rights
     will be evidenced by separate certificates and will no longer be evidenced
     by this certificate. MidAmerican Energy Holdings Company will mail to the
     holder of this certificate a copy of the Rights Agreement without charge
     after receipt of a written request therefor. As described in the Rights
     Agreement, Rights issued to Acquiring Persons (as defined in the Rights
     Agreement) shall become null and void.

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

     Section 4. Form of Rights Certificates. The Rights Certificates (and the
forms of election to purchase Preferred



                                       -9-

<PAGE>


     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 rule or regulation made pursuant thereto or with any
rule or regulation of any stock exchange on which the Rights may from time to
time be listed, or to conform to usage. Subject to the provisions of Section 22
hereof, the Rights Certificates shall entitle the holders thereof to purchase
such number of one one-hundredths of a Preferred Share as shall be set forth
therein at the price per one one-hundredth of a Preferred Share set forth
therein (the "Purchase Price"), but the number of such one one-hundredths of a
Preferred Share and the Purchase Price shall be subject to adjustment as
provided herein.

     Section 5. Countersignature and Registration. The Rights Certificates shall
be executed on behalf of the Company by its Chairman of the Board, its Chief
Executive Officer, its President, its Chief Operating Officer, or any of its
Executive Vice Presidents or Vice Presidents, 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, or the
Treasurer or an Assistant Treasurer, of the Company, either manually or by
facsimile signature. The Rights Certificates shall be manually countersigned by
the Rights Agent and shall not be valid for any



                                      -10-

<PAGE>


purpose unless countersigned. In case any officer of the Company who shall have
signed any of the Rights Certificates shall cease to be such officer of the
Company before countersignature by the Rights Agent and issuance and delivery by
the Company, such Rights Certificates, nevertheless, may be countersigned by the
Rights Agent and issued and delivered by the Company with the same force and
effect as though the person who signed such Rights Certificates had not ceased
to be such officer of the Company; and any Rights Certificate may be signed on
behalf of the Company by any person who, at the actual date of the execution of
such Rights Certificate, shall be a proper officer of the Company to sign such
Rights Certificate, although at the date of the execution of this Rights
Agreement any such person was not such an officer.

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

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



                                      -11-

<PAGE>


Certificate or Rights Certificates may be transferred, split up, combined or
exchanged for another Rights Certificate or Rights Certificates, entitling the
registered holder to purchase a like number of one one-hundredths of a Preferred
Share as the Rights Certificate or Rights Certificates surrendered then entitled
such holder to purchase. Any registered holder desiring to transfer, split up,
combine or exchange any Rights Certificate or Rights Certificates shall make
such request in writing delivered to the Rights Agent, and shall surrender the
Rights Certificate or Rights Certificates to be transferred, split up, combined
or exchanged as the shareholder services office of the Rights Agent or its
office in New York City. Thereupon the Rights Agent shall countersign and
deliver to the person entitled thereto a Rights Certificate or Rights
Certificates, as the case may be, as so requested. The Company may require
payment of a sum sufficient to cover any tax or governmental charge that may be
imposed in connection with any transfer, split up, combination or exchange of
Rights Certificates.

     Upon receipt by the Company and the Rights Agent of evidence reasonably
satisfactory to them of the loss, theft, destruction or mutilation of a Rights
Certificate, and, in case of loss, theft or destruction, of indemnity or
security reasonably satisfactory to them, and, at the Company's request,
reimbursement to the Company and the Rights Agent of all reasonable expenses
incidental thereto and upon surrender to the Rights Agent and cancellation of
the Rights Certificate if mutilated, the Company will make and deliver a new
Rights



                                      -12-

<PAGE>


Certificate to the Rights Agent for delivery to the registered holder in lieu of
the Rights Certificate so lost, stolen, destroyed or mutilated.

     Section 7. Exercise of Rights; Purchase Price; Expiration Date of Rights.
(a) The registered holder of any Rights 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 Rights Certificate,
with the form of election to purchase on the reverse side thereof duly executed,
to the Rights Agent at the shareholder services office of the Rights Agent,
together with payment of the Purchase Price for each one one-hundredth of a
Preferred Share as to which the Rights are exercised, at or prior to the earlier
of (i) the close of business on November 30, 1999 (the "Final Expiration Date"),
or (ii) the time at which the Rights are redeemed as provided in Section 23
hereof (the "Redemption Date").

     (b) The Purchase Price for each one one-hundredth of a Preferred Share
pursuant to the exercise of a Right shall initially be Fifty-Two Dollars
($52.00), shall be subject to adjustment from time to time as provided in
Sections 11 and 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 Rights Certificate representing exercisable Rights,
with the form of election to purchase duly executed, accompanied by payment of
the Purchase Price for the shares to be purchased and an amount equal to any
applicable transfer tax required to be paid by the holder of such Rights



                                      -13-

<PAGE>


Certificate in accordance with Section 9 hereof by certified check, cashier's
check, bank draft or money order payable to the order of the Company or the
Rights Agent, 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
its transfer agent to comply with all such requests, or (B) requisition from the
depositary agent depositary receipts representing such number of one
one-hundredths of a Preferred Share as are to be purchased (in which case
certificates for the Preferred Shares represented by such receipts shall be
deposited by the transfer agent with the depositary agent) and the Company
hereby directs the 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)
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 Rights
Certificates, registered in such name or names as may be designated by such
holder and (iv) when appropriate, after receipt, deliver such cash to or upon
the order of the registered holder of such Rights Certificate.

     (d) In case the registered holder of any Rights Certificates shall exercise
less than all the Rights evidenced thereby, a new Rights Certificate evidencing
Rights equivalent to the Rights remaining unexercised shall be issued by the
Rights Agent to the registered holder of such Rights Certificate or to



                                      -14-

<PAGE>


his duly authorized assigns, subject to the provisions of Section 14 hereof.

     Section 8. Cancellation and Destruction of Rights Certificates. All Rights
Certificates surrendered for the purpose of exercise, transfer, split up,
combination or exchange shall, if surrendered to the Company or to any of its
agents, be delivered to the Rights Agent for cancellation or in cancelled form,
or, if surrendered to the Rights Agent, shall be cancelled by it, and no Rights
Certificates shall be issued in lieu thereof except as expressly permitted by
any of the provisions of this Rights Agreement. The Company shall deliver to the
Rights Agent for cancellation and retirement, and the Rights Agent shall so
cancel and retire, any other Rights Certificate purchased or acquired by the
Company otherwise than upon the exercise thereof. The Rights Agent shall deliver
all cancelled Rights Certificates to the Company, or shall, at the written
request of the Company, destroy such cancelled Rights Certificates, and in such
case shall deliver a certificate of destruction thereof to the Company.

     Section 9. Reservation and Availability of 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.

     The Company covenants and agrees that it will take all such action as may
be necessary to ensure that all Preferred Shares



                                      -15-

<PAGE>


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
non-assessable 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 Rights Certificates or of
any Preferred Shares upon the exercise of Rights. The Company shall not,
however, be required to pay any transfer tax which may be payable in respect of
any transfer or delivery of Rights Certificates to a person other than, or the
issuance or delivery of certificates or depositary receipts for the Preferred
Shares in a name other than that of, the registered holder of the Rights
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 Rights Certificate at the time of surrender) or
until it has been established to the Company's 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 Rights Certificate evidencing such Rights was duly



                                      -16-

<PAGE>


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 Rights Certificate
shall not be entitled to any rights of a holder of Preferred Shares for which
the Rights shall be exercisable, including, without limitation, the right to
vote, to receive dividends or other distributions or to exercise any preemptive
rights, and shall not be entitled to receive any notice of any proceedings of
the Company, except as provided herein.

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

     (a) (i) In the event the Company shall at any time after the date of this
Agreement (A) declare a dividend on the Preferred Shares payable in Preferred
Shares, (B) subdivide the outstanding Preferred Shares, (C) combine the
outstanding Preferred Shares into a smaller number of Preferred Shares or (D)
issue any shares of its capital stock in a reclassification of the Preferred
Shares (including any such reclassification in



                                      -17-

<PAGE>


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, he would have owned upon such exercise and been entitled to receive by
virtue of such dividend, subdivision, combination or reclassification.

     (ii) In the event any Person shall become an Acquiring Person, proper
provision shall be made so that each holder of a Right, except as provided
below, shall thereafter have a right to receive, upon exercise thereof at a
price equal to the then current Purchase Price multiplied by the number of one
one-hundredths of a Preferred Share for which a Right is then exercisable, in
accordance with the terms of this Agreement, such number of Preferred Shares of
the Company as shall equal the result obtained by (A) multiplying the then
current Purchase Price by the then number of one one-hundredths of a Preferred
Share for which a Right is then exercisable and dividing that product by (B) 50%
of the then current per share market price of



                                      -18-

<PAGE>


the Company's Common Shares (determined pursuant to Section 11(d)) on the date
such Person became an Acquiring Person.

     Notwithstanding the foregoing, from and after the occurrence of such event,
any Rights that are or were acquired or beneficially owned by an 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 Rights Certificate shall be
issued pursuant to Section 3 that represents Rights beneficially owned by an
Acquiring Person or any Associate or Affiliate thereof and no Rights Certificate
shall be issued at any time upon the transfer of any Rights to an Acquiring
Person or any Associate or Affiliate thereof or to any nominee of such Acquiring
Person, Associate or Affiliate. Any Rights Certificate delivered to the Rights
Agent for transfer to an Acquiring Person shall be cancelled.

     (iii) In the event that there shall not be sufficient Preferred Shares
issued but not outstanding, or authorized but unissued, to permit the exercise
in full of the Rights in accordance with the foregoing subparagraph (ii), the
Company shall take all such action as may be necessary to authorize additional
Preferred Shares for issuance upon exercise of the Rights.

     (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



                                      -19-

<PAGE>


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 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). 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



                                      -20-

<PAGE>


statement filed with the Rights Agent. 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 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
of assets (other than a regular quarterly cash dividend or a dividend payable in
Preferred Shares) or subscription rights or warrants (excluding those referred
to in Section 11(b)), 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 (as defined in
Section 11(d)) 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) 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 current per



                                      -21-

<PAGE>


share market price of the Preferred Shares. 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
(as such term is hereinafter defined) immediately prior to such date; provided,
however, that in the event that the current per share market price of the
Security is determined during a period following the announcement by the issuer
of such Security of (A) a dividend or distribution on such Security payable in
shares of such Security or securities convertible into such shares, or (B) any
subdivision, combination or reclassification of such Security and prior to the
expiration of 30 Trading Days after the ex-dividend date for such dividend or
distribution, or the record date for such subdivision, combination or
reclassification, then, and in each such case, the current per share market
price shall be appropriately adjusted to reflect the current market price per
share equivalent of such Security. The closing price for each day shall be the
last sale price, regular way, or, in case no such sale takes place on such day,
the average of the closing bid and asked prices, regular way, in either case as
reported in the



                                      -22-

<PAGE>


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 the National Association of Securities
Dealers, Inc. Automated Quotations System ("Nasdaq"), or such other system then
in use, or, if on any such date the Security is not quoted by any such
organization, the average of the closing bid and asked prices as furnished by a
professional market maker making a market in the Security selected by the Board
of Directors of the Company. The term "Trading Day" shall mean a day on which
the principal national securities exchange on which the Security is listed or
admitted to trading is open for the transaction of business or, if the Security
is not listed or admitted to trading on any national securities exchange, a
Business Day.

     (ii) For the purpose of any computation hereunder, the "current per share
market price" of the Preferred Shares shall be determined in accordance with the
method set forth in Section 11(d)(i). If the Preferred Shares are not publicly
traded, the "current per share market price" of the Preferred Shares shall be



                                      -23-

<PAGE>


conclusively deemed to be the current per share market price of the Common
Shares as determined pursuant to Section 11(d)(i) (appropriately adjusted to
reflect any stock split, stock dividend or similar transaction occurring after
the date hereof), multiplied by one hundred. If neither the Common Shares nor
the Preferred Shares are publicly held or so listed or traded, "current per
share market price" shall mean the fair value per share as determined in good
faith by the Board of Directors of the Company, whose determination shall be
described in a statement filed with the Rights Agent.

     (e) No adjustment in the Purchase Price shall be required unless such
adjustment would require an increase or decrease of at least 1% in the Purchase
Price; provided, however, that any adjustments which by reason of this Section
11(e) are not required to be made shall be carried forward and taken into
account in any subsequent adjustment. All calculations under this Section 11
shall be made to the nearest cent or to the nearest one-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), the
holder of any Right thereafter exercised shall become entitled to receive any
shares of capital stock of the



                                      -24-

<PAGE>


Company other than Preferred Shares, thereafter the number of such other shares
so receivable upon exercise of any Right shall be subject to adjustment from
time to time in a manner and on terms as nearly equivalent as practicable to the
provisions with respect to the Preferred Shares contained in Section 11(a)
through (c), inclusive, and the provisions of Section 7, 9, 10 and 13 with
respect to the Preferred Shares shall apply on like terms to any such other
shares.

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

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



                                      -25-

<PAGE>

         
     (i) The Company may elect on or after the date of any adjustment of the
Purchase Price to adjust the number of Rights, in substitution for any
adjustment in the number of shares of one one-hundredths of a Preferred Share
purchasable upon the exercise of a Right. Each of the Rights outstanding after
such adjustment of the number of Rights shall be exercisable for the number of
one one-hundredths of a Preferred Shares for which a Right was exercisable
immediately prior to 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 thousand) 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 date thereafter, but, if the
Rights Certificates have been issued, shall be at least 10 days later than the
date of the public announcement. If Rights Certificates have been issued, upon
each adjustment of the number of Rights pursuant to this Section 11(i), the
Company shall, as promptly as practicable, cause to be distributed to holders of
record of Rights Certificates on such record date Rights Certificates
evidencing, subject to Section 14 hereof, the additional Rights to which such
holders shall be entitled as a result of such adjustment, or, at the option of
the



                                      -26-

<PAGE>


Company, shall cause to be distributed to such holders of record in substitution
and replacement for the Rights Certificates held by such holders prior to the
date of adjustment, and upon surrender thereof, if required by the Company, new
Rights Certificates evidencing all the Rights to which such holders shall be
entitled after such adjustment. Rights Certificates so to be distributed shall
be issued, executed and countersigned in the manner provided for herein and
shall be registered in the names of the holders of record of Rights Certificates
on the record date specified in the public announcement.

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

     (k) Before taking any action that would cause an adjustment reducing the
Purchase Price below one one-hundredth of the then par value, if any, of the
Preferred Shares issuable upon exercise of the Rights, the Company shall take
any corporate action which may, in the opinion of its counsel, be necessary in
order that the Company may validly and legally issue fully paid and
non-assessable 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 specific
event, the Company may elect to defer



                                      -27-

<PAGE>


until the occurrence of such event the issuing to the holder of any Right
exercised after such record date of the Preferred Shares and other capital stock
or securities of the Company, if any, issuable upon such exercise over and above
the Preferred Shares and other capital stock or securities of the Company, if
any, issuable upon such exercise on the basis of the Purchase Price in effect
prior to such adjustment; provided, however, that the Company shall deliver to
such holder a due bill or other appropriate instrument evidencing such holder's
Right to receive such additional shares upon the occurrence of the event
requiring such adjustment.

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

     (n) In the event that at any time after the date of this Agreement and
prior to the Distribution Date, the Company shall



                                      -28-

<PAGE>


(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 (i) the
number of one one-hundredths of a Preferred Share purchasable after such event
upon proper exercise of each Right shall be determined by multiplying the number
of one one-hundredths of a Preferred Share so purchasable immediately prior to
such event by a fraction, the numerator of which is the number of Common Shares
outstanding immediately before such event and the denominator of which is the
number of Common Shares outstanding immediately after such event, and (ii) 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 Sections 11 and 13 hereof, the
Company shall 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 a copy of such certificate and (c)



                                      -29-

<PAGE>


mail a brief summary thereof to each holder of a Rights Certificate in
accordance with Section 26 hereof.

     Section 13. Consolidation, Merger or Sale or Transfer of Assets or Earning
Power. In the event, directly or indirectly, (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, (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 or (d) the Company and an Acquiring Person engage in any "business
combination" as defined in Section 490.1110 of the Iowa Business Corporation
Act, then, and in each such case, proper provision shall be made so that (i)
each holder of a Right (except as otherwise provided herein) shall thereafter
have the Right to receive, upon the exercise thereof at a price equal to the
then current Purchase Price multiplied by the number of one one-hundredths of a
Preferred Share for which a Right is then exercisable, in accordance with the
terms of this Agreement, such number of Common Shares of such other Person
(including the



                                      -30-

<PAGE>


Company as successor thereto or as the surviving corporation) as shall be equal
to the result obtained by (x) multiplying the then current Purchase Price by the
number of one one-hundredths of a Preferred Share for which a Right is then
exercisable and dividing that product by (y) 50% of the then current per share
market price of the Common Share of such other Person (determined pursuant to
Section 11(d)) 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 thereafter deliverable
upon the exercise of the Rights. 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 Company shall not consummate
any such consolidation, merger, sale or transfer unless prior thereto the



                                      -31-

<PAGE>


Company and such issuer shall have executed and delivered to the Rights Agent a
supplemental agreement so providing. The provisions of this Section 13 shall
similarly apply to successive mergers or consolidations or sales or other
transfers.

     Section 14. Fractional Rights and Fractional Shares. (a) The Company shall
not be required to issue fractions of Rights or to distribute Rights
Certificates which evidence fractional Rights. In lieu of such fractional
Rights, there shall be paid to the registered holders of the Rights Certificates
with regard to which such fractional Rights would otherwise be issuable, an
amount in cash equal to the same fraction of the current market value of a whole
Right. For 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, 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-



                                      -32-

<PAGE>


counter market, as reported by Nasdaq or such other system then in use or, if on
any such date the Rights are not quoted by any such organization, the average of
the closing bid and asked prices as furnished by a professional market maker
making a market in the Rights selected by the Board of Directors of the Company.
If on any such date no such market maker is making a market in the Rights the
fair value of the Rights on such date, as determined in good faith by the Board
of Directors of the Company, shall be used.

     (b) The Company shall not be required to issue fractions of Preferred
Shares (other than fractions which are integral multiples of one-hundredth of a
Preferred Share) upon exercise of the Rights or to distribute certificates which
evidence fractional Preferred Shares (other than fractions which are integral
multiples of one one-hundredth of a Preferred Share). Fractions of Preferred
Shares in integral multiples of one one-hundredth of a Preferred Share may, at
the election of the Company, be evidenced by depositary receipts, pursuant to an
appropriate agreement between the Company and a depositary selected by it,
provided that such agreement shall provide that the holders of such depositary
receipts shall have all the rights, privileges and preferences to which they are
entitled as beneficial owners of the Preferred Shares represented by such
depositary receipts. In lieu of fractional Preferred Shares that are not
integral multiples of one one-hundredth of a Preferred Share, the Company shall
pay to the registered holders of Rights Certificates at the time such Rights are
exercised as herein



                                      -33-

<PAGE>


provided an amount in cash equal to the same fraction of the current market
value of one Preferred Share. For 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
his 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 Rights
Certificates (and, prior to the Distribution Date, the registered holders of the
Common Shares); and any registered holder of any Rights 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 Rights Certificate (or, prior to the
Distribution Date, of the Common Shares), may, in his own behalf and for his own
benefit, enforce, and may institute and maintain any suit, action or proceeding
against the Company to enforce, or otherwise act in respect of, his Right to
exercise the Rights evidenced by such Rights Certificate in the manner provided
in such Rights Certificate and in this Agreement. Without limiting the foregoing
or any remedies available to the holders of Rights, it is specifically
acknowledged that the holders of Rights would not



                                      -34-

<PAGE>


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 Rights Certificates are transferable
only on the registry books of the Rights Agent if surrendered at the principal
offices of the Rights Agent or at its office in New York City, duly endorsed or
accompanied by a proper instrument of transfer; and

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



                                      -35-

<PAGE>


     Section 17. Rights Certificates Holder Not Deemed a Shareholder. No holder,
as such, of any Rights Certificate shall be entitled to vote, receive dividends
or be deemed for any purpose the holder of the 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
Rights Certificate be construed to confer upon the holder of any Rights
Certificate, as such, any of the rights of a shareholder of the Company or any
Right to vote for the election of directors or upon any matter submitted to
shareholders at any meeting thereof, or to give or withhold consent to any
corporate action, or to receive notice of meetings or other actions affecting
shareholders (except as provided in Section 26 hereof), or to receive dividends
or subscription rights, or otherwise, until the Right or Rights evidenced by
such Rights Certificate shall have been exercised in accordance with the
provisions hereof.

     Section 18. Concerning the Rights Agent. 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 performance of its duties
hereunder. The Company also agrees to indemnify the Rights Agent for, and to
hold it harmless against, any loss, liability, or expense, incurred without
gross negligence, bad faith or willful misconduct on the part of the Rights
Agent, for



                                      -36-

<PAGE>


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 Rights 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 corporate trust
business of the Rights Agent or any successor Rights Agent, shall be the
successor to the Rights Agent under this Agreement without the execution or
filing of any paper or any further act on the part of any of the parties hereto,
provided that such corporation would be eligible for appointment



                                      -37-

<PAGE>


as a successor Rights Agent under the provisions of Section 21 hereof. In case
at the time such successor Rights Agent shall succeed to the agency created by
this Agreement, any of the Rights Certificates shall have been countersigned but
not delivered, any such successor Rights Agent may adopt the countersignature of
the predecessor Rights Agent and deliver such Rights Certificates so
countersigned, and in case at that time any of the Rights Certificates shall not
have been countersigned, any successor Rights Agent may countersign such Rights
Certificates either in the name of the predecessor Rights Agent or in the name
of the successor Rights Agent; and in all such cases such Rights Certificates
shall have the full force provided in the Rights Certificates and in this
Agreement.

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

     Section 20. Duties of Rights Agent. The Rights Agent undertakes the duties
and obligations imposed by this Agreement upon the following terms and
conditions, by all of which the



                                      -38-

<PAGE>


Company and the holders of Rights Certificates, by their acceptance thereof,
shall be bound:

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

     (b) Whenever in the performance of its duties under this 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, the Chief Operating Officer, any
Executive Vice President or Vice President, the Treasurer, the Secretary, or any
Assistant Treasurer or Assistant Secretary of the Company and delivered to the
Rights Agent; and such certificate shall be full authorization to the Rights
Agent for any action taken 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 gross negligence, bad faith or willful misconduct.

     (d) The Rights Agent shall not be under any responsibility in respect of
the validity of this Agreement or the execution and



                                      -39-

<PAGE>


delivery hereof (except the due execution hereof by the Rights Agent) or in
respect of the validity or execution of any Rights Certificate (except its
countersignature thereof); nor shall it be responsible for any breach by the
Company of any covenant or condition contained in this Agreement or in any
Rights Certificate; nor shall it be responsible for any change in the
exercisability of the Rights or any adjustment in the terms of the Rights
(including the manner, method or amount thereof) provided for in Section 3, 11,
13 or 23, 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 Rights 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 Rights
Certificate or as to whether any Preferred Shares will, when issued, be validly
authorized and issued, fully paid and non-assessable.

     (e) 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.

     (f) The Rights Agent is hereby authorized and directed to accept
instructions with respect to the performance of its duties hereunder from any of
the Chairman of the Board, the Chief



                                      -40-

<PAGE>


Executive Officer, the President, the Chief Operating Officer, any Executive
Vice President or Vice President, the Secretary, the Treasurer, or any Assistant
Secretary or Assistant Treasurer of the Company, and to apply to such officers
for advice or instructions in connection with its duties, and it shall not be
liable for any action taken 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.

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

     (h) 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, the Rights Agent shall not be answerable or accountable
for any act, default, neglect or misconduct of any such attorneys or agents or
for any loss to the Company resulting from any such act, default, neglect or
misconduct, provided reasonable care was exercised in the selection and
continued employment thereof.

     Section 21. Change of Rights Agent. The Rights Agent or any successor
Rights Agent may resign and be discharged from its



                                      -41-

<PAGE>


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 Rights 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. If the Rights
Agent shall resign or be removed or shall otherwise become incapable of acting,
the Company shall appoint a successor to the Rights Agent. If the Company shall
fail to make such appointment within a period of 30 days after giving notice of
such removal or after it has been notified in writing of such resignation or
incapacity by the resigning or incapacitated Rights Agent or by the holder of a
Rights Certificate (who shall, with such notice, submit his Rights Certificate
for inspection by the Company), then the registered holder of any Rights
Certificate may apply to any court 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 California, the State of
Iowa, or 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 California, the State of Iowa or the State of New York), in good
standing, having an office in the State of



                                      -42-

<PAGE>


California, the State of Iowa or the State of New York, which is authorized
under such laws to exercise corporate trust powers and is subject to supervision
or examination by federal or state authority and which has at the time of its
appointment as Rights Agent a combined capital and surplus of at least $50
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 Rights Certificates. Failure to give any notice provided for in
this Section 21, however, or any defect therein, shall not affect the legality
or validity of the resignation or removal of the Rights Agent or the appointment
of the successor Rights Agent, as the case may be.

     Section 22. Issuance of New Rights Certificates. Notwithstanding any of the
provisions of this Agreement or of the Rights to the contrary, the Company may,
at its option, issue new Rights Certificates evidencing Rights in such form as
may be approved by its Board of Directors to reflect any adjustment or change in
the Purchase Price and the number or kind or class of



                                      -43-

<PAGE>


shares or other securities or property purchasable under the Rights Certificates
made in accordance with the provisions of this Agreement.

     Section 23. Redemption and Amendment. (a) The Rights may be redeemed by
action of the Board of Directors pursuant to subsection (b) of this Section 23
and shall not be redeemed in any other manner.

     (b) The Board of Directors of the Company may, at its option, at any time
prior to, or within ten (10) days after, 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 $0.02 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").

     (c) Immediately upon the action of the Board of Directors of the Company
ordering the redemption of the Rights pursuant to subsection (b) of this Section
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. Within 10 days after such action of
the Board of Directors ordering the redemption of the Rights pursuant to
subsection (b) the Company shall give notice of redemption to the holders of the
then outstanding Rights by mailing such notice to all such holders at their last
addresses as they appear upon the registry books of the Rights Agent or, prior
to the Distribution Date, on the registry books



                                      -44-

<PAGE>


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, and other than in connection with the purchase of Common Shares prior to the
Distribution Date.

     (d) The Board of Directors may at any time, by resolution, amend the
definition of "Acquiring Person" herein so as to exclude any Person if the Board
of Directors deems such amendment to be in the best interest of the Company.

     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 Preferred Shares at an exchange ratio of one one-hundredth (1/100th)
Preferred Share per Right, appropriately adjusted to reflect any stock split,
stock dividend or similar transaction occurring after the date hereof (such
exchange ratio begin hereinafter referred to as the "Exchange Ratio").
Notwithstanding the foregoing, the Board of Directors shall not be empowered to
effect such exchange at any time after any Person (other than the Company, any
Subsidiary of the Company, any



                                      -45-

<PAGE>


employee benefit plan of the Company or any such Subsidiary, or any entity
holding Common Shares for or pursuant to the terms of any such plan), together
with all Affiliates and Associates of such Person, becomes the Beneficial Owner
of 50% or more of the Voting Stock then outstanding; provided, that solely for
purposes of this sentence, no Person shall be deemed the Beneficial Owner of any
shares of capital stock of the Company into which convertible securities of the
Company not entitled to vote generally in the election of directors (other than
upon conversion) may be converted.

     (b) Immediately upon the action of the Board of Directors of the Company
ordering the exchange of any Rights pursuant to subsection (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 Preferred 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 Preferred Shares for Rights



                                      -46-

<PAGE>


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 Preferred 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 Preferred
Shares of issuance upon exchange of the Rights.

     (d) The Company shall not be required to issue fractions of Preferred
Shares or to distribute certificates which evidence fractional Preferred Shares.
In lieu of such fractional Preferred Shares, there shall be paid to the
registered holders of the Rights Certificates with regard to which such
fractional Preferred Shares would otherwise be issuable, an amount in cash equal
to the same fraction of the current market value of a whole Preferred Share. For
the purposes of this subsection (e), the current market value of a whole
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 exchange pursuant to this Section 24.

     Section 25. Notice of Certain Events. (a) In case the Company shall propose
(i) to pay any dividend payable in stock of any class to the holders of its
Preferred Shares or to make any



                                      -47-

<PAGE>


other distribution to the holders of its Preferred Shares (other than a regular
quarterly cash dividend) or (ii) to offer to the holders of its 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, or (iii) to effect any reclassification of its Preferred Shares (other
than a reclassification involving only the subdivision of outstanding Preferred
Shares), or (iv) to effect any consolidation or merger into or with, or to
effect any sale or other transfer (or to permit one or more of its Subsidiaries
to effect any sale or other transfer), in one or more transactions, of 50% or
more of the assets or earning power of the Company and its Subsidiaries (taken
as a whole) to, any other Person, or (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 Rights Certificate, in accordance with Section 25
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



                                      -48-

<PAGE>


such notice shall be so given in the case of any action covered by clause (i) or
(ii) above at least 20 days prior to the record date for determining holders of
the Preferred Shares for purposes of such action, and in the case of any such
other action, at least 20 days prior to the date of the taking of such proposed
action or the date of participation therein by the holders of the Common Shares
and/or Preferred Shares, whichever shall be the earlier.

     (b) In case the event set forth in Section 11(a)(ii) of this Agreement
shall occur, then, in any such case, the Company shall as soon as practicable
thereafter give to each holder of a Rights Certificate, in accordance with
Section 25 hereof, a notice of the occurrence of such event, which notice shall
describe the event and the consequences of the 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 Rights Certificate to
or on the Company shall be sufficiently given or made if sent by first-class
mail, postage prepaid, addressed (until another address is filed in writing with
the Rights Agent) as follows:

                  MidAmerican Energy Holdings Company
                  302 South 36th Street, Suite 400
                  Omaha, Nebraska  68131
                  Attention: Steven A. McArthur,
                             Executive Vice President and
                             General Counsel

Subject to the provisions of Section 21 hereof, any notice or demand authorized
by this Agreement to be given or made by the



                                      -49-

<PAGE>


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

                  ChaseMellon Shareholder Services, L.L.C.
                  2323 Bryan Street, Suite 2300
                  Dallas, Texas  75201

                  Attention:  Ms. Cindy Bennett

Notice or demands authorized by this Agreement to be given or made by the
Company or the Rights Agent to the holder of any Rights Certificate 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 and the Rights Agent
may from time to time supplement or amend this Agreement without the approval of
any holders of Rights 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 in regard to
matters or questions arising hereunder which the Company and the Rights Agent
may deem necessary or desirable and which shall be consistent with, and for the
purpose of fulfilling, the objectives of the Board of Directors in adopting this
Agreement; 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.



                                      -50-

<PAGE>


     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 or corporation other than the Company, the
Rights Agent and the registered holders of the Rights 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 Rights Certificates (and, prior to the Distribution Date, the
Common Shares).

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

     Section 31. Governing Law. This Agreement and each Rights Certificate
issued hereunder shall be deemed to be a contract made under the laws of the
State of Iowa 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.



                                      -51-

<PAGE>

     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.



                                      -52-

<PAGE>


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



ATTEST:                                      MIDAMERICAN ENERGY HOLDINGS COMPANY



By /s/ Kathleen Mancuso                      By /s/ Steven McArthur
   -------------------------------              --------------------------------
                                                Name:  Steven A. McArthur
                                                Title: Sr. Vice President and
                                                       Secretary




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



By /s/ Timothy D. Oliver                     By /s/ Cindy Bennett
   -------------------------------              --------------------------------
                                                Name:  Cindy E. Bennett
                                                Title: Relationship Manager
                                                       



                                      -53-

<PAGE>


                                    EXHIBIT A
                                    ---------

                                      FORM

                                       of

                              ARTICLES OF AMENDMENT

                                       to

                 AMENDED AND RESTATED ARTICLES OF INCORPORATION

                                       of

                       MIDAMERICAN ENERGY HOLDINGS COMPANY

                       (Pursuant to Section 490.602 of the
                         Iowa Business Corporation Act)

     MidAmerican Energy Holdings Company, a corporation organized and existing
under the Iowa Business Corporation Act hereinafter called the "Corporation");
hereby certifies that the following resolution was adopted by the Board of
Directors of the Corporation as required by Section 490.602 of the Iowa Business
Corporation Act at a meeting duly called and held on March 12, 1999.

     RESOLVED, that pursuant to the authority granted to and vested in the Board
of Directors of the Corporation (hereinafter called the "Board of Directors" or
the "Board") in accordance with the provisions of the Articles of Incorporation,
the Board of Directors hereby creates a series of preferred stock, no par value
(the "Preferred Stock"), of the Corporation and hereby states the designation
and number of shares, and fixes the relative rights, preferences, and
limitations thereof as follows:

                        Series A Junior Preferred Stock:

                            I. Designation and Amount
                               ----------------------

     The shares of such series shall be designated as "Series A Junior Preferred
Stock" (the "Series A Preferred Stock") and the number of shares constituting
the Series A Preferred Stock shall be 588,320 plus one one-hundredth (1/100) of
the number of shares of Common Stock, no par value issued by the Corporation in
the future. 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
exercise of outstanding options, rights or warrants or upon the conversion of
any outstanding securities



                                    Exhibit A
                                       -1-

<PAGE>


issued by the Corporation convertible into Series A Preferred Stock.

                         II. Dividends and Distributions
                             ---------------------------

          (A) Subject to the rights of the holders of any shares of any series
     of Preferred Stock (or any similar stock) ranking prior and superior to the
     Series A Preferred Stock with respect to dividends, the holders of shares
     of Series A Preferred Stock, in preference to the holders of Common Stock,
     without par value (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, 100 times the
     aggregate per share amount of all cash dividends, and 100 times the
     aggregate per share amount (payable in kind) of all non-cash dividends or
     other distributions, other than a dividend payable in shares of Common
     Stock or a subdivision of the outstanding shares of Common Stock (by
     reclassification or otherwise), declared on the Common Stock since the
     immediately preceding Quarterly Dividend Payment Date or, with respect to
     the first Quarterly Dividend Payment Date, since the first issuance of any
     share or fraction of a share of Series 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



                                    Exhibit A
                                       -2-

<PAGE>


     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.

          (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 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.

                               III. 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
     100 votes on all matters submitted to a vote of the shareholders 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



                                    Exhibit A
                                       -3-

<PAGE>


     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
     Designation 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 shareholders of the Corporation.

          (C) Except as set forth herein, or as otherwise provided by law,
     holders of Series A Preferred Stock shall have no voting rights.

                            IV. Certain Restrictions
                                --------------------

          (A) Whenever quarterly dividends or other dividends or distributions
     payable on the Series A Preferred Stock as provided in Section II 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



                                    Exhibit A
                                       -4-

<PAGE>


               (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 IV purchase or otherwise acquire such shares at such time and in
     such manner.

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

                   VI. 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 $100 per share, plus an amount equal to
accrued and unpaid dividends and distributions thereon, whether or not declared,
to the date of such payment, 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 100
times the aggregate amount to be distributed per share to holders of shares of
Common Stock, or (2) to the holders of shares of stock ranking on a parity
(either as to dividends or upon liquidation, dissolution or winding up) with the
Series 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



                                    Exhibit A
                                       -5-

<PAGE>


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 prior to such
event.

                        VII. 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 100
times the aggregate amount of stock, securities, cash and/or any other property
(payable in kind), as the case may be, into which or for which each share of
Common Stock is changed or exchanged. In the event the Corporation shall at any
time declare or pay any dividend on the Common Stock payable in shares of Common
stock, or effect a subdivision or combination or consolidation of the
outstanding shares of Common Stock (by reclassification or otherwise than by
payment of a dividend in shares of Common Stock) into a grater 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.

                                VIII. Redemption
                                      ----------

     The shares of Series A Preferred Stock shall not be redeemable.

                                    IX. 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.



                                    Exhibit A
                                       -6-

<PAGE>


                                  X. Amendment
                                     ---------

     The Articles 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
series

     IN WITNESS WHEREOF, these Articles of Amendment is executed on behalf of
the Corporation by its President and attested by its Secretary this 12th day of
March, 1999.




                                                --------------------------------
                                                           President


Attest:



- -------------------------------
            Secretary



                                    Exhibit A
                                       -7-

<PAGE>


                                    Exhibit B
                                    ---------

                           FORM OF RIGHTS CERTIFICATE



Certificate No. P.-                                            __________ Rights

          NOT EXERCISABLE AFTER NOVEMBER 30, 1999 OR EARLIER IF
          REDEMPTION OCCURS. THE RIGHTS ARE SUBJECT TO REDEMPTION AT
          $.02 PER RIGHT ON THE TERMS SET FORTH IN THE RIGHTS AGREEMENT.


                               Rights Certificate
                               ------------------

                       MidAmerican Energy Holdings Company

     This certifies that __________________, or registered assigns, is the
registered owner of the number of Rights set forth above, each of which entitles
the owner thereof, subject to the terms, provisions and conditions of the Rights
Agreement, dated as of March 12, 1999 (the "Rights Agreement"), between
MidAmerican Energy Holdings Company, an Iowa corporation (the "Company"), and
ChaseMellon Shareholder Services, L.L.C. (the "Rights Agent"), to purchase from
the Company at any time after the Distribution Date (as such term is defined in
the Rights Agreement) and prior to 5:00 P.M., New York City time, on November
30, 1999 at the shareholders services office of the Rights Agent, or at the
office of its successor as Rights Agent, one one-hundredth of a fully paid and
non-assessable share of Preferred Stock, with no par value (the "Preferred
Shares"), of the Company, at a purchase price of Fifty-Two Dollars ($52.00) per
one one-hundredth of a Preferred Share (the "Purchase Price"), upon presentation
and surrender of this Rights Certificate with the Form of Election to Purchase
duly executed. The number of Rights evidenced by this Rights Certificate (and
the number of one one-hundredths of a Preferred Share which may be purchased
upon exercise hereof) set forth above, and the Purchase Price set forth above,
are the number and Purchase Price as of March 15, 1999 based on the Preferred
Shares as constituted at such date. As provided in the Rights Agreement, the
Purchase Price and the number of one one-hundredths of a Preferred Share which
may be purchased upon the exercise of the Rights evidenced by this Rights
Certificate are subject to modification and adjustment upon the happening of
certain events.

     This Rights Certificate is subject to all of the terms, provisions and
conditions of the Rights Agreement, which terms, provisions and conditions are
hereby incorporated herein by reference and made a part hereof and to which
Rights Agreement reference is hereby made for a full description of the rights,

<PAGE>


limitations of rights, obligations, duties and immunities hereunder of the
Rights Agent, the Company and the holders of the Rights Certificates. Copies of
the Rights Agreement are on file at the principal executive offices of the
Company and the above-mentioned offices of the Rights Agent.

     The Rights Certificate, with or without other Rights Certificates, upon
surrender at either the principal offices of the Rights Agent or its office in
New York City, may be exchanged for another Rights Certificate or Rights
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 Rights Certificate or Rights Certificates surrendered shall have entitled
such holder to purchase. If this Rights Certificate shall be exercised in part,
the holder shall be entitled to receive upon surrender hereof another Rights
Certificate or Rights Certificates for the number of whole Rights not exercised.

     Subject to the provisions of the Rights Agreement, the Rights evidenced by
this Certificate may be redeemed by the Company at a redemption price of $.02
per Right.

     No fractional Preferred Shares will be issued upon the exercise of any
Right or Rights evidenced hereby (other than fractions which are integral
multiples of one one-hundredth of a Preferred Share, which may, at the election
of the Company, be evidenced by depositary receipts), but in lieu thereof a cash
payment will be made, as provided in the Rights Agreement.

     No holder of this Rights 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 Rights Agreement or herein
be construed to confer upon the holder hereof, as such, any of the rights of a
shareholder of the Company or any right to vote for the election of directors or
upon any matter submitted to shareholders at any meeting thereof, or to give or
withhold consent to any corporate action, or to receive notice of meetings or
other actions affecting shareholders (except as provided in the Rights
Agreement), or to receive dividends or subscription rights, or otherwise, until
the Right or Rights evidenced by this Rights Certificate shall have been
exercised as provided in the Rights Agreement.

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



                                    Exhibit B
                                       -2-

<PAGE>






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

ATTEST:                                  MIDAMERICAN ENERGY HOLDINGS
                                         COMPANY



- -------------------------------          --------------------------------
                                         By 
                                         Title


Countersigned:



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

By
     Authorized Signature



                                    Exhibit B
                                       -3-

<PAGE>




                   Form of Reverse Side of Rights Certificate

                               FORM OF ASSIGNMENT
                               ------------------

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

                  FOR VALUE RECEIVED
hereby sells, assigns and transfer unto _______________________________________
_______________________________________________________________________________
(Please print name and address of transferee)

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



                                    Exhibit B
                                       -4-

<PAGE>




             Form of Reverse Side of Rights Certificate -- continued

                          FORM OF ELECTION TO PURCHASE
                          ----------------------------

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



To:  MidAmerican Energy Holdings Company

     The undersigned hereby irrevocably elects to exercise Rights represented by
this Rights 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 or Rights shall not be all the Rights evidenced by this Rights
Certificate, a new Rights Certificate for the balance remaining of such rights
shall be registered in the name of and delivered to:

Please insert social security
or other identifying number

________________________________________________________________________________

                         (Please print name and address)
________________________________________________________________________________


Dated: _______________, ____



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



Signature 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.



                                    Exhibit B
                                       -5-

<PAGE>



             Form of Reverse Side of Rights Certificate -- Continued

                                     NOTICE
                                     ------

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




                                    Exhibit B
                                       -6-

<PAGE>


                                    Exhibit C
                                    ---------

                 SUMMARY OF RIGHTS TO PURCHASE PREFERRED SHARES

     On March 12, 1999, the Board of Directors of MidAmerican Energy Holdings
Company (the "Company") declared a dividend of one preferred share purchase
right (a "Right") for each outstanding share of common stock, with a par value
of $0.0675 per share (the "Common Shares"), of the Company. The dividend is
payable on March 15, 1999 (the "Record Date") to the shareholders of record on
that date. Each Right entitles the registered holder to purchase from the
Company one one-hundredth of a share of Series A Junior Preferred Stock, no par
value, (the "Preferred Shares"), of the Company, at a price of $52 per one
one-hundredth of a Preferred Share (the "Purchase Price"), subject to
adjustment. The description and terms of the Rights are set forth in a Rights
Agreement (the "Rights Agreement") between the Company and ChaseMellon
Shareholder Services, L.L.C., as Rights Agent (the "Rights Agent").

     Until the earlier to occur of (i) 10 days following a public announcement
that a person or group of affiliated or associated persons (an "Acquiring
Person") have acquired, or obtained the right to acquire, beneficial ownership
(without the prior approval of the Company's Board of Directors) of 20% or more
of the outstanding Common Shares or (ii) 10 days following the commencement of
or announcement of an intention to make, a tender offer or exchange offer
(without the prior approval of the Company's Board of Directors) the
consummation of which would result in the beneficial ownership by a person or
group of 30% or more of such outstanding Common Shares (the earlier of such
dates being called 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.

     The Rights Agreement provides that, until the Distribution Date, the Rights
will be transferred with and only with the Common Shares. Until the Distribution
Date (or earlier redemption or expiration of the Rights), new Common Share
certificates issued after the Record Date, upon transfer or new issuance of
Common Shares will contain a notation incorporating the Rights Agreement by
reference. Until the Distribution Date (or earlier redemption or expiration of
the Rights), the surrender for transfer of any certificates for Common Shares,
outstanding as of the Record Date, even without such notation or a copy of this
Summary of Rights being attached thereto, will also constitute the transfer of
the Rights associated with the Common Shares represented by such certificate. As
soon as practicable following the Distribution Date, separate certificates
evidencing the Rights ("Rights Certificates") will be mailed to holders of
record of the Common Shares as of the close of business on the Distribution Date
and such separate Rights Certificates alone will evidence the Rights.

<PAGE>


     The Rights are not exercisable until the Distribution Date. The Rights will
expire on November 30, 1999 (the "Final Expiration Date"), unless the Final
Expiration Date is extended or unless the Rights are earlier redeemed by the
Company, in each case, as described below.

     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 then current market price of the Preferred Shares or (iii) upon the
distribution to holders of the Preferred Shares of evidences of indebtedness or
assets (excluding regular periodic cash dividends paid out of earnings or
retained earnings or dividends 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 one-hundredths of a
Preferred Share issuable upon exercise of each Right are also subject to
adjustment in the event of 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 occurring, in any such case,
prior to the Distribution Date.

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

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

     In the event that the Company is acquired in a merger or other business
combination transaction or 50% or more of its



                                    Exhibit C
                                       -2-

<PAGE>


consolidated assets or earning power are sold, proper provision will be made so
that each holder of a Right will thereafter have the right to receive, upon the
exercise thereof at the then current exercise price of the Right 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 the event that any Person becomes an Acquiring Person, proper
provision shall be made so that 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 Preferred
Shares having a market value of two times the exercise price of the Right.

     With certain exceptions, no adjustments in the Purchase Price will be
required until cumulative adjustments require an adjustment of at least 1% in
such Purchase Price. No fractional Preferred Shares will be issued (other than
fractions which are integral multiples of one one-hundredth of a Preferred
Share, which may, at the election of the Company, be evidenced by depositary
receipts) and in lieu thereof, an adjustment in cash will be made based on the
market price of the Preferred Shares on the last trading day prior to the date
of exercise.

     At any time prior to, or within 10 days after, the acquisition by a person
or group of affiliated or associated persons of beneficial ownership of 20% or
more of the outstanding Common Shares, the Board of Directors of the Company may
redeem the Rights in whole, but not in part, at a price of $.02 per Right (the
"Redemption Price").

     The Board of Directors may, after a person becomes an Acquiring Person and
at its discretion, allow the holders of the Rights to exchange each Right for
one one-hundredth Preferred Share.

     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 extend the Final Expiration Date, and, provided there is no Acquiring Person,
to extend the period during which the Rights may be redeemed, except that from
and after such time as any person becomes an Acquiring Person no such amendment
may adversely affect the interests of the holders of the Rights.

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

     A copy of the Rights Agreement has been filed with the Securities and
Exchange Commission as an Exhibit to a Registration Statement on Form 8-A dated
________________, 1999. A copy of the Rights Agreement is available free of
charge from



                                    Exhibit C
                                       -3-

<PAGE>

the Company. This summary description of the Rights does not purport to be
complete and is qualified in its entirety by reference to the Rights Agreement,
which is hereby incorporated herein by reference.





                                    Exhibit C
                                       -4-





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