HAWAIIAN ELECTRIC INDUSTRIES INC
8-A12B, 1997-11-05
ELECTRIC SERVICES
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<PAGE>
 
                      SECURITIES AND EXCHANGE COMMISSION

                            WASHINGTON, D.C. 20549
 
                             ____________________

                                   FORM 8-A

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

                      HAWAIIAN ELECTRIC INDUSTRIES, INC.
            (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

          STATE OF HAWAII                                 99-0208097
     (STATE OF INCORPORATION                            (I.R.S. EMPLOYER
        OR ORGANIZATION)                              IDENTIFICATION NO.)

     900 RICHARDS STREET
      HONOLULU, HAWAII                                     96813
(ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)                (ZIP CODE)
                                 ____________________

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

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

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

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

     PREFERRED STOCK PURCHASE RIGHTS                   NYSE

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

                                     NONE
                               (TITLE OF CLASS)

                          EXHIBIT INDEX IS ON PAGE 6

                                  Page 1 of 6 Pages
<PAGE>
 
ITEM 1.   DESCRIPTION OF REGISTRANT'S SECURITIES TO BE REGISTERED.

          On October 28, 1997, the Board of Directors of Hawaiian Electric
Industries, Inc. (the "Company") adopted a Stockholder Rights Plan, providing
that one Right shall be attached to each share of Common Stock of the Company.
The Rights will be issued to stockholders of record on November 10, 1997 and
will entitle the registered holder to purchase from the Company a unit (a
"Unit") consisting of one one-hundredth of a share of Series A Junior
Participating Preferred Stock, no par value (the "Preferred Stock"), at a
purchase price of $112 per Unit (the "Purchase Price"), subject to adjustment.
The description and terms of the Rights are set forth in the Rights Agreement
(the "Rights Agreement"), dated as of October 28, 1997, between the Company and
Continental Stock Transfer & Trust Company, as Rights Agent (the "Rights
Agent").

          Initially, the Rights will be attached to all Common Stock
certificates representing shares then outstanding, and no separate Rights
Certificate will be distributed.  The Rights will separate from the Common Stock
upon the earlier 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 15% or more of the
outstanding shares of Common Stock other than as a result of repurchases of
stock by the Company  (the "Stock Acquisition Date") or (ii) 10  days following
the commencement of a tender offer or exchange offer that would result in a
person or group becoming an Acquiring Person (the earlier of (i) and (ii), the
"Distribution Date").  Until the Distribution Date, (i) the Rights will be
evidenced by the Common Stock certificates and will be transferred with and only
with such Common Stock certificates, (ii) new Common Stock certificates will
contain a notation incorporating the Rights Agreement by reference and (iii) the
surrender for transfer of any certificates for Common Stock outstanding will
also constitute the transfer of the Rights associated with the Common Stock
represented by such certificate.

          The Rights are not exercisable until the Distribution Date and will
expire at the close of business on November 1, 2007 unless earlier redeemed by
the Company as described below.  At no time will the Rights have any voting
power.

          As soon as practicable after the Distribution Date, Rights
Certificates will be mailed to holders of record of the Common Stock as of the
close of business on the Distribution Date and, thereafter, the separate Rights
Certificates alone will represent the Rights.  Except as otherwise determined by
the Board of Directors, only shares of Common Stock issued prior to the
Distribution Date will have Rights attached.

                               Page 2 of 6 Pages 
<PAGE>
 
          In the event a person becomes an Acquiring Person, each holder of a
Right will thereafter have the right to receive, upon exercise, Common Stock
(or, in certain circumstances, cash, property or other securities of the
Company), having a value equal to two times the Exercise Price of the Right.
Notwithstanding any of the foregoing, following the occurrence of the event set
forth in this paragraph (the "Flip-in Event"), all Rights that are, or (under
certain circumstances specified in the Rights Agreement) were, beneficially
owned by any Acquiring Person will be null and void. However, Rights are not
exercisable following the occurrence of the Flip-in Event set forth above until
such time as the Rights are no longer redeemable by the Company as set forth
below.

          In the event that following the Stock Acquisition Date, (i) the
Company engages in a merger or business combination transaction in which the
Company is not the surviving corporation; (ii) the Company engages in a merger
or business combination transaction in which the Company is the surviving
corporation and the Common Stock of the Company is changed or exchanged; or
(iii) 50% or more of the Company's assets or earning power is sold or
transferred, each holder of a Right (except Rights which have previously been
voided as set forth above) shall thereafter have the right to receive, upon
exercise of the Right, Common Stock of the acquiring company having a value
equal to two times the Exercise Price of the Right.

          The Purchase Price payable, and the number of Units of Preferred Stock
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 Stock, (ii) if holders of the Preferred Stock are granted certain
rights or warrants to subscribe for Preferred Stock or convertible securities at
less than the current market price of the Preferred Stock, or (iii) upon the
distribution to holders of the Preferred Stock of evidences of indebtedness or
assets (excluding regular quarterly cash dividends) or of subscription rights or
warrants (other than those referred to above).

          With certain exceptions, no adjustments in the Purchase Price will be
required until cumulative adjustments amount to at least 1% of the Purchase
Price.  No fractional Units will be issued and, in lieu thereof, an adjustment
in cash will be made based on the market price of the Preferred Stock on the
last trading date prior to the date of exercise.

          At any time until ten days following the Stock Acquisition Date, the
Company may redeem the Rights in whole, but not in part, at a price of $0.01 per

                               Page 3 of 6 Pages
<PAGE>
 
Right.  Immediately upon the action of the Board of Directors ordering
redemption of the Rights, the Rights will terminate and the only right of the
holders of Rights will be to receive the $0.01 redemption price.

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

          Prior to the Distribution Date, the Company may supplement or amend
any provision of the Rights Agreement.  After the Distribution Date, the
provisions of the Rights Agreement may be supplemented or amended by the Board
in order to cure any ambiguity, to make changes which do not materially
adversely affect the interests of holders of Rights (excluding the interest of
any Acquiring Person), to correct or supplement any defective or inconsistent
provision in the Rights Agreement, or to shorten or lengthen any time period
under the Rights Agreement;  provided, however, that from and after the
                             --------  -------                         
Distribution Date, no amendment to lengthen the time period governing redemption
shall be made unless such lengthening is for the purpose of protecting,
enhancing or clarifying the rights of, and/or the benefits to, the holders of
Rights.  The Rights Agreement may not be amended at a time when the Rights are
not redeemable.

          The Rights Agreement between the Company and the Rights Agent
specifying the terms of the Rights, which includes as Exhibit B the Form of
Rights Certificate, is attached hereto as Exhibit 1 and is incorporated herein
by reference.  The foregoing description of the Rights does not purport to be
complete and is qualified in its entirety by reference to Exhibit 1.


ITEM 2.   EXHIBITS.

          Rights Agreement, dated as of October 28, 1997, between Hawaiian
Electric Industries, Inc. and Continental Stock Transfer & Trust Company, as
Rights Agent, which includes as Exhibit B thereto the Form of Rights
Certificate.

                               Page 4 of 6 Pages
<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.


                                       HAWAIIAN ELECTRIC INDUSTRIES, INC.


                                       By: /s/ ROBERT F. CLARKE
                                           -------------------------------------
                                       Name:  Robert F. Clarke
                                       Title: President

                                       By: /s/ ROBERT F. MOUGEOT
                                           -------------------------------------
                                       Name:  Robert F. Mougeot
                                       Title: Financial Vice President



Dated:  October 28, 1997

                               Page 5 of 6 Pages
<PAGE>
 
                                 EXHIBIT INDEX
 
 

Exhibit   Description
- -------   -----------
  1.      Rights Agreement, dated as of October 28, 1997, between Hawaiian
          Electric Industries, Inc. and Continental Stock Transfer & Trust
          Company, as Rights Agent, which includes as Exhibit B thereto the Form
          of Rights Certificates.
 
                               Page 6 of 6 Pages

<PAGE>
 
                                                                       EXHIBIT 1



                      HAWAIIAN ELECTRIC INDUSTRIES, INC.



                                      and



                  CONTINENTAL STOCK TRANSFER & TRUST COMPANY

                                 Rights Agent



                               Rights Agreement



                         Dated as of October 28, 1997
<PAGE>
 
                               TABLE OF CONTENTS
                               -----------------
<TABLE>
<S>                                                                       <C>
Section 1.  Certain Definitions.........................................   1
            -------------------
     "Acquiring Person".................................................   1
     "Act"..............................................................   2
     "Affiliate" and "Associate"........................................   3
     "Beneficial Owner".................................................   3
     "Business Day".....................................................   4
     "Close of business"................................................   4
     "Common Stock".....................................................   5
     "Common Stock Equivalents".........................................   5
     "Current Market Price".............................................   5
     "Current Value"....................................................   5
     "Distribution Date"................................................   5
     "Equivalent Preferred Stock".......................................   5
     "Exchange Act".....................................................   5
     "Exchange Ratio"...................................................   5
     "Expiration Date"..................................................   5
     "Final Expiration Date"............................................   5
     "Person"...........................................................   5
     "Preferred Stock"..................................................   5
     "Principal Party"..................................................   6
     "Purchase Price"...................................................   6
     "Record Date"......................................................   6
     "Redemption Price".................................................   6
     "Rights"...........................................................   6
     "Rights Agent".....................................................   6
     "Rights Certificate"...............................................   6
     "Rights Dividend Declaration Date".................................   6
     "Section 11(a)(ii) Event"..........................................   6
     "Section 13 Event".................................................   6
     "Spread"...........................................................   6
     "Stock Acquisition Date"...........................................   6
     "Subsidiary".......................................................   7
     "Substitution Period"..............................................   7
     "Summary of Rights"................................................   7
     "Trading Day"......................................................   7
     "Triggering Event".................................................   7

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

Section 3.  Issuance of Rights Certificates.............................   7
</TABLE>

                                       i
<PAGE>
 
<TABLE>
<S>                                                                       <C>
Section 4.   Form of Rights Certificates................................   10

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

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

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

Section 8.   Cancellation and Destruction of Rights Certificates........   16

Section 9.   Reservation and Availability of Capital Stock..............   16

Section 10.  Preferred Stock Record Date................................   19

Section 11.  Adjustment of Purchase Price, Number and Kind of Shares or
             Number of Rights...........................................   19

Section 12.  Certificate of Adjusted Purchase Price or Number of
             Shares.....................................................   31

Section 13.  Consolidation, Merger or Sale or Transfer of Assets, Cash
             Flow or Earning Power......................................   31

Section 14.  Fractional Rights and Fractional Shares....................   34

Section 15.  Rights of Action...........................................   36

Section 16.  Agreement of Rights Holders................................   37

Section 17.  Rights Certificate Holder Not Deemed a Stockholder.........   38

Section 18.  Concerning the Rights Agent................................   38

Section 19.  Merger or Consolidation or Change of Name of Rights Agent..   39
</TABLE>

                                      ii
<PAGE>
 
<TABLE>
<S>                                                                       <C>
Section 20.  Duties of Rights Agent.....................................   40

Section 21.  Change of Rights Agent.....................................   43

Section 22.  Issuance of New Rights Certificates........................   44

Section 23.  Redemption and Termination.................................   45

Section 24.  Exchange...................................................   46

Section 25.  Notice of Certain Events...................................   48

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

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

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

Section 29.  Determinations and Actions by the Board of Directors, etc..   51

Section 30.  Benefits of this Agreement.................................   52

Section 31.  Severability...............................................   52

Section 32.  Governing Law..............................................   52

Section 33.  Counterparts...............................................   53

Section 34.  Descriptive Headings.......................................   53

Exhibit A    Statement of Issuance of Shares of Preferred or  Special
             Classes in Series..........................................  A-1

Exhibit B    Form of Rights Certificate.................................  B-1

Exhibit C    Summary of Rights to Purchase Series A Junior
             Participating Preferred Stock..............................  C-1
</TABLE>

                                      iii
<PAGE>
 
                               RIGHTS AGREEMENT
                               ----------------
                                        
          RIGHTS AGREEMENT, dated as of October 28, 1997 (the "Agreement"),
between Hawaiian Electric Industries, Inc., a Hawaii corporation (the
"Company"), and Continental Stock Transfer & Trust Company, a New York banking
corporation (the "Rights Agent").

                              W I T N E S S E T H
                              -------------------

          WHEREAS, on October 28, 1997 (the "Rights Dividend Declaration Date"),
the Board of Directors of the Company authorized and declared a dividend
distribution of one Right (as hereinafter defined) for each share of common
stock, no par value, of the Company (the "Common Stock") outstanding at the
close of business on November 10, 1997 (the "Record Date") and has authorized
the issuance of one Right (as such number may hereinafter be adjusted pursuant
to the provisions of Section 11(p) hereof) for each share of Common Stock of the
Company issued between the Record Date and the Distribution Date (as hereinafter
defined), each Right initially representing the right to purchase one one-
hundredth of a share of Series A Junior Participating Preferred Stock of the
Company (the "Preferred Stock") having the rights, powers and preferences set
forth in the form of the Statement of Issuance of Shares of Preferred or Special
Classes in Series attached hereto as Exhibit A, upon the terms and subject to
the conditions hereinafter set forth (the "Rights");

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

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

          (a)  "Acquiring Person" shall mean any Person who or which, together
with all Affiliates and Associates of such Person, shall be the Beneficial Owner
of 15% or more of the shares of Common Stock then outstanding, but shall not
include (i) the Company,

                                       1
<PAGE>
 
(ii) any Subsidiary of the Company, (iii) any employee benefit plan of the
Company, or of any Subsidiary of the Company, or any Person or entity organized,
appointed or established by the Company for or pursuant to the terms of any such
plan including without limitation any dividend reinvestment plan established by
the Company (including any trustee thereof), or (iv) any Person who becomes the
Beneficial Owner of fifteen percent (15%) or more of the shares of Common Stock
then outstanding as a result of a reduction in the number of shares of Common
Stock outstanding due to the repurchase of shares of Common Stock by the Company
unless and until such Person, after becoming aware that such Person has become
the Beneficial Owner of fifteen percent (15%) or more of the then outstanding
shares of Common Stock, acquires beneficial ownership of additional shares of
Common Stock representing one percent (1%) or more of the shares of Common Stock
then outstanding, or (v) any such Person who has reported or is required to
report such ownership (but less than 20%) on Schedule 13G under the Securities
and Exchange Act of 1934, as amended and in effect on the date of the Agreement
(the "Exchange Act") (or any comparable or successor report) or on Schedule 13D
under the Exchange Act (or any comparable or successor report) which Schedule
13D does not state any intention to or reserve the right to control or influence
the management or policies of the Company or engage in any of the actions
specified in Item 4 of such Schedule (other than the disposition of the Common
Stock) and, within 10 Business Days of being requested by the Company to advise
it regarding the same, certifies to the Company that such Person acquired shares
of Common Stock in excess of 14.9% inadvertently or without knowledge of the
terms of the Rights and who, together with all Affiliates and Associates,
thereafter does not acquire additional shares of Common Stock while the
Beneficial Owner of 15% or more of the shares of Common Stock then outstanding;
provided, however, that if the Person requested to so certify fails to do so
- --------  -------                                                           
within 10 Business Days, then such Person shall become an Acquiring Person
immediately after such 10-Business-Day period.

               (b)  "Act" shall mean the Securities Act of 1933.

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

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

                    (i)    which such Person or any of such Person's Affiliates
     or Associates, directly or indirectly, has the right to acquire (whether
     such right is exercisable immediately or only after the passage of time)
     pursuant to any agreement, arrangement or understanding (whether or not in
     writing) or upon the exercise of conversion rights, exchange rights,
     rights, warrants or options, or otherwise; provided, however, that a Person
                                                --------  -------               
     shall not be deemed the "Beneficial Owner" of, or to "beneficially own,"
     (A) securities tendered pursuant to a tender or exchange offer made by such
     Person or any of such Person's Affiliates or Associates until such tendered
     securities are accepted for purchase or exchange, (B) securities issuable
     upon exercise of Rights at any time prior to the occurrence of a Triggering
     Event (as hereinafter defined), or (C) securities issuable upon exercise of
     Rights from and after the occurrence of a Triggering Event which Rights
     were acquired by such Person or any of such Person's Affiliates or
     Associates prior to the Distribution Date (as hereinafter defined) or
     pursuant to Section 3(a) or Section 22 hereof (the "Original Rights") or
     pursuant to Section 11(i) hereof in connection with an adjustment made with
     respect to any Original Rights;

                    (ii)   which such Person or any of such Person's Affiliates
     or Associates, directly or indirectly, has the right to vote or dispose of
     or has "beneficial ownership" of (as determined pursuant to Rule 13d-3 of
     the General Rules and Regulations under the Exchange Act), including
     pursuant to any agreement, arrangement or understanding, whether or not in
     writing; provided, however, that a Person shall not be deemed the
              --------  -------
     "Beneficial Owner" of, or to 

                                       3
<PAGE>
 
     "beneficially own," any security under this subparagraph (ii) as a result
     of an agreement, arrangement or understanding to vote such security if such
     agreement, arrangement or understanding: (A) arises solely from a revocable
     proxy given in response to a public proxy or consent solicitation made
     pursuant to, and in accordance with, the applicable provisions of the
     General Rules and Regulations under the Exchange Act, and (B) is not
     reportable by such Person 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 (or any Affiliate or Associate thereof) with which such
     Person (or any of such Person's Affiliates or Associates) has any
     agreement, arrangement or understanding (whether or not in writing), for
     the purpose of acquiring, holding, voting (except pursuant to a revocable
     proxy as described in the proviso to subparagraph (ii) of this paragraph
     (d)) or disposing of any voting securities of the Company; provided,
                                                                -------- 
     however, that nothing in this paragraph (d) shall cause a Person engaged in
     -------                                                               
     business as an underwriter of securities to be the "Beneficial Owner" of,
     or to "beneficially own," any securities acquired through such Person's
     participation in good faith in a firm commitment underwriting until the
     expiration of forty days after the date of such acquisition, and then only
     if such securities continue to be owned by such Person at such expiration
     of forty days.

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

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

                                       4
<PAGE>
 
               (g)  "Common Stock" shall mean the common stock, without par
value, of the Company, except that "Common Stock" when used with reference to
any Person other than the Company shall mean the capital stock of such Person
with the greatest voting power, or the equity securities or other equity
interest having power to control or direct the management, of such Person.

               (h)  "Common Stock Equivalents" shall have the meaning set forth
in Section 11(a)(iii) hereof.

               (i)  "Current Market Price" shall have the meaning set forth in
Section 11(d)(i) hereof.

               (j)  "Current Value" shall have the meaning set forth in Section
11(a)(iii) hereof.

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

               (l)  "Equivalent Preferred Stock" shall have the meaning set
forth in Section 11(b) hereof.

               (m)  "Exchange Act" shall mean the Securities and Exchange Act of
1934.

               (n)  "Exchange Ratio" shall have the meaning set forth in Section
24 hereof.

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

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

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

               (r)  "Preferred Stock" shall mean shares of Series A Junior
Participating Preferred Stock, without par value, of the Company, and, to the
extent that there are not a sufficient number of shares of Series A Junior
Participating Preferred Stock authorized to permit the full exercise of the
Rights, any other series of preferred 

                                       5
<PAGE>
 
stock of the Company designated for such purpose containing terms substantially
similar to the terms of the Series A Junior Participating Preferred Stock.

               (s)  "Principal Party" shall have the meaning set forth in
Section 13(b) hereof.

               (t)  "Purchase Price" shall have the meaning set forth in Section
4(a) hereof.

               (u)  "Record Date" shall have the meaning set forth in the
WHEREAS clause at the beginning of this Agreement.

               (v)  "Redemption Price" shall have the meaning set forth in
Section 23(a) hereof.

               (w)  "Rights" shall have the meaning set forth in the WHEREAS
clause at the beginning of this Agreement.

               (x)  "Rights Agent" shall have the meaning set forth in the
parties clause at the beginning of this Agreement.

               (y)  "Rights Certificate" shall have the meaning set forth in
Section 3(a) hereof.

               (aa) "Rights Dividend Declaration Date" shall have the meaning
set forth in the WHEREAS clause at the beginning of this Agreement.

               (bb) "Section 11(a)(ii) Event" shall mean any event described in
Section 11(a)(ii) hereof.

               (cc) "Section 13 Event" shall mean any event described in clauses
(x), (y) or (z) of Section 13(a) hereof.

               (dd) "Spread" shall have the meaning set forth in Section
11(a)(iii) hereof.

               (ee) "Stock Acquisition Date" shall mean the first date of public
announcement (which, for purposes of this definition, shall include, without
limitation, a 

                                       6
<PAGE>
 
report filed or amended pursuant to Section 13(d) under the Exchange Act) by the
Company or an Acquiring Person that an Acquiring Person has become such.

               (ff) "Subsidiary" shall mean, with reference to any Person, any
corporation of which an amount of voting securities sufficient to elect at least
a majority of the directors of such corporation is beneficially owned, directly
or indirectly, by such Person, or otherwise controlled by such Person.

               (gg) "Substitution Period" shall have the meaning set forth in
Section 11(a)(iii) hereof.

               (hh) "Summary of Rights" shall have the meaning set forth in
Section 3(b) hereof.

               (ii) "Trading Day" shall have the meaning set forth in Section
11(d)(i) hereof.

               (jj) "Triggering Event" shall mean any Section 11(a)(ii) Event or
any Section 13 Event.

          Section 2.  Appointment of Rights Agent.  The Company hereby appoints
                      ---------------------------                              
the Rights Agent to act as agent for the Company and the holders of the Rights
(who, in accordance with Section 3 hereof, shall prior to the Distribution Date
also be the holders of the Common Stock) in accordance with the terms and
conditions hereof, and the Rights Agent hereby accepts such appointment.  The
Company may from time to time appoint such co-rights agents as it may deem
necessary or desirable.

          Section 3.  Issuance of Rights Certificates.
                      ------------------------------- 

               (a)  Until the earlier of (i) the close of business on the tenth
Business Day after the Stock Acquisition Date (or, if the tenth Business Day
after the Stock Acquisition Date occurs before the Record Date, the close of
business on the Record Date), or (ii) the close of business on the tenth
Business Day (or such later date as the Board shall determine by resolution or
otherwise) after the date that a tender or exchange offer by any Person (other
than the Company, any Subsidiary of the Company, any employee benefit plan of
the Company or of any Subsidiary of the Company, or any Person or entity
organized, appointed or established by the Company for or 

                                       7
<PAGE>
 
pursuant to the terms of any such plan) is first published or sent or given
within the meaning of Rule 14d-2(a) of the General Rules and Regulations under
the Exchange Act, if upon consummation thereof, such Person would become an
Acquiring Person, in either instance (the earlier of (i) and (ii) being herein
referred to as the "Distribution Date"), (x) the Rights will be evidenced
(subject to the provisions of paragraph (b) of this Section 3) by the
certificates for the Common Stock registered in the names of the holders of the
Common Stock (which certificates for Common Stock shall be deemed also to be
certificates for Rights) and not by separate certificates, and (y) the Rights
will be transferable only in connection with the transfer of the underlying
shares of Common Stock (including a transfer to the Company). As soon as
practicable after the Distribution Date, the Rights Agent will send by first-
class, insured, postage-prepaid mail, to each record holder of the Common Stock
as of the close of business on the Distribution Date, at the address of such
holder shown on the records of the Company, one or more right certificates, in
substantially the form of Exhibit B hereto (the "Rights Certificates"),
evidencing one Right for each share of Common Stock so held, subject to
adjustment as provided herein. In the event that an adjustment in the number of
Rights per share of Common Stock has been made pursuant to Section 11(p) hereof,
at the time of distribution of the Rights Certificates, the Company shall make
the necessary and appropriate rounding adjustments (in accordance with Section
14(a) hereof) so that Rights Certificates representing only whole numbers of
Rights are distributed and cash is paid in lieu of any fractional Rights. As of
and after the Distribution Date, the Rights will be evidenced solely by such
Rights Certificates.

               (b)  The Company will make available, as promptly as practicable
following the Record Date, a copy of a Summary of Rights, in substantially the
form attached hereto as Exhibit C (the "Summary of Rights") to any holder of
Rights who may so request from time to time prior to the Expiration Date. With
respect to certificates for the Common Stock outstanding as of the Record Date
or that were issued subsequent to the Record Date, unless and until the
Distribution Date shall occur, the Rights will be evidenced by such certificates
for the Common Stock and the registered holders of the Common Stock shall also
be the registered holders of the associated Rights.  Until 

                                       8
<PAGE>
 
the earlier of the Distribution Date or the Expiration Date (as such term is
defined in Section 7(a) hereof), the transfer of any certificates representing
shares of Common Stock in respect of which Rights have been issued shall also
constitute the transfer of the Rights associated with such shares of Common
Stock.

               (c)  Rights shall be issued in respect of all shares of Common
Stock which are issued after the Record Date but prior to the earlier of the
Distribution Date or the Expiration Date.  Certificates representing such shares
of Common Stock shall also be deemed to be certificates for Rights, and shall
bear the following legend:

               The holder of this certificate is entitled to certain Rights as
     set forth in the Rights Agreement between Hawaiian Electric Industries,
     Inc. (the "Company") and the Rights Agent thereunder (the "Rights
     Agreement"), the terms of which are hereby incorporated herein by reference
     and a copy of which is on file at the principal offices of the Company and
     the Rights Agent.  Under certain circumstances, as set forth in the Rights
     Agreement, such Rights will be evidenced by separate certificates and will
     no longer be evidenced by this certificate.  The Company will mail to the
     holder of this certificate a copy of the Rights Agreement, as in effect on
     the date of mailing, without charge, after receipt of a written request
     therefor.  As set forth in the Rights Agreement, Rights held by any Person
     who becomes an Acquiring Person (as defined in the Rights Agreement), shall
     become null and void.

With respect to such certificates containing the foregoing legend, until the
earlier of (i) the Distribution Date or (ii) the Expiration Date, the Rights
associated with the Common Stock represented by such certificates shall be
evidenced by such certificates alone and registered holders of Common Stock
shall also be the registered holders of the associated Rights, and the transfer
of any of such certificates shall also constitute the transfer of the Rights
associated with the Common Stock represented by such certificates.

                                       9
<PAGE>
 
          Section 4.  Form of Rights Certificates.
                      --------------------------- 

               (a) The Rights Certificates (and the forms of election to
purchase and of assignment to be printed on the reverse thereof) shall each be
substantially in the form set forth in Exhibit 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 11
and Section 22 hereof, the Rights Certificates, whenever distributed, shall be
dated as of the Record Date and on their face shall entitle the holders thereof
to purchase such number of one one-hundredths of a share of Preferred Stock as
shall be set forth therein at the price set forth therein (such exercise price
per one one-hundredth of a share, the "Purchase Price"), but the amount and type
of securities purchasable upon the exercise of each Right and the Purchase Price
thereof shall be subject to adjustment as provided herein.

               (b) Any Rights Certificate issued pursuant to Section 3(a),
Section 11(i) or Section 22 hereof that represents Rights beneficially owned by:
(i) an Acquiring Person or any Associate or Affiliate of an Acquiring Person,
(ii) a transferee of an Acquiring Person (or of any such Associate or Affiliate)
who becomes a transferee after the Acquiring Person becomes such, or (iii) a
transferee of an Acquiring Person (or of any such Associate or Affiliate) who
becomes a transferee prior to or concurrently with the Acquiring Person becoming
such and receives such Rights pursuant to either (A) a transfer (whether or not
for consideration) from the Acquiring Person to holders of equity interests in
such Acquiring Person or to any Person with whom such Acquiring Person has any
continuing agreement, arrangement or understanding regarding the transferred
Rights or (B) a transfer which the Board of Directors of the Company has
determined is part of a plan, arrangement or understanding which has as

                                       10
<PAGE>
 
a primary purpose or effect avoidance of Section 7(e) hereof, and any Rights
Certificate issued pursuant to Section 6 or Section 11 hereof upon transfer,
exchange, replacement or adjustment of any other Rights Certificate referred to
in this sentence, shall contain (to the extent feasible) the following legend:

     The Rights represented by this Rights Certificate are or were beneficially
     owned by a Person who was or became an Acquiring Person or an Affiliate or
     Associate of an Acquiring Person (as such terms are defined in the Rights
     Agreement).  Accordingly, this Rights Certificate and the Rights
     represented hereby may become null and void in the circumstances specified
     in Section 7(e) of the Rights Agreement.

          Section 5.  Countersignature and Registration.
                      --------------------------------- 

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

          (b) Following the Distribution Date, the Rights Agent will keep, or
cause to be kept, at its principal office or offices designated as the
appropriate place for surrender of Rights Certificates upon exercise 

                                       11
<PAGE>
 
or transfer, books for registration and transfer of the Rights Certificates
issued hereunder. Such books shall show the names and addresses of the
respective holders of the Rights Certificates, the number of Rights evidenced on
its face by each of the Rights Certificates and the date of each of the Rights
Certificates.

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

               (a)  Subject to the provisions of Section 4(b), Section 7(e) and
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 Expiration Date, any
Rights Certificate or Certificates (other than Rights Certificates representing
Rights that may have been exchanged pursuant to Section 24 hereof) may be
transferred, split-up, combined or exchanged for another Rights Certificate or
Certificates, entitling the registered holder to purchase a like number of one
one-hundredths of a share of Preferred Stock (or, following a Triggering Event,
Common Stock, other securities, cash or other assets, as the case may be) as the
Rights Certificate or Certificates surrendered then entitles such holder (or
former holder in the case of a transfer) to purchase.  Any registered holder
desiring to transfer, split-up, combine or exchange any Rights Certificate or
Certificates shall make such request in writing delivered to the Rights Agent,
and shall surrender the Rights Certificate or Certificates to be transferred,
split-up, combined or exchanged at the principal office or offices of the Rights
Agent designated for such purpose.  Neither the Rights Agent nor the Company
shall be obligated to take any action whatsoever with respect to the transfer of
any such surrendered Rights Certificate until the registered holder shall have
completed and signed the certificate contained in the form of assignment on the
reverse side of such Rights Certificate and shall have provided such additional
evidence of the identity of the Beneficial Owner (or former Beneficial Owner) or
Affiliates or Associates thereof as the Company shall reasonably request.
Thereupon the Rights Agent shall, subject to Section 4(b), Section 7(e), Section
14 and Section 24 hereof, countersign and deliver to the Person entitled thereto
a Rights Certificate or Rights Certificates, as the case may be, as so
requested.  The 

                                       12
<PAGE>
 
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.

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

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

               (a)  Subject to Section 7(e) hereof, at any time after the
Distribution Date the registered holder of any Rights Certificate may exercise
the Rights evidenced thereby (except as otherwise provided herein including,
without limitation, the restrictions on exercisability set forth in Section
9(c), Section 11(a)(iii) and Section 23(a) hereof) in whole or in part upon
surrender of the Rights Certificate, with the form of election to purchase and
the certificate on the reverse side thereof duly executed, to the Rights Agent
at the principal office or offices of the Rights Agent designated for such
purpose, together with payment of the aggregate Purchase Price with respect to
the total number of one one-hundredths of a share (or other securities, cash or
other assets, as the case may be) as to which such surrendered Rights are then
exercisable, at or prior to the earlier of (i) 5:00 P.M., Hawaii time, on
November 1, 2007, or such later date as may be established by the Board of
Directors prior to the expiration of the Rights (such date, as it may be
extended by the Board, the ("Final Expiration Date"), or (ii) the time at which
the Rights are redeemed or exchanged as provided in Section 23 and Section 24
hereof (the earlier of (i) and (ii) being herein referred to as the "Expiration
Date").

                                       13
<PAGE>
 
               (b) The Purchase Price for each one one-hundredth of a share of
Preferred Stock pursuant to the exercise of a Right shall initially be $112.00,
and shall be subject to adjustment from time to time as provided in Section 11
and Section 13(a) hereof and shall be payable in accordance with paragraph (c)
below.

               (c) Upon receipt of a Rights Certificate representing exercisable
Rights, with the form of election to purchase and the certificate duly executed,
accompanied by payment, with respect to each Right so exercised, of the Purchase
Price per one one-hundredth of a share of Preferred Stock (or other shares,
securities, cash or other assets, as the case may be) to be purchased as set
forth below and an amount equal to any applicable transfer tax, the Rights Agent
shall, subject to Section 20(k) hereof, thereupon promptly (i) (A) requisition
from any transfer agent of the shares of Preferred Stock (or make available, if
the Rights Agent is the transfer agent for such shares) certificates for the
total number of one one-hundredths of a share of Preferred Stock to be purchased
and the Company hereby irrevocably authorizes its transfer agent to comply with
all such requests, or (B) if the Company shall have elected to deposit the total
number of shares of Preferred Stock issuable upon exercise of the Rights
hereunder with a depositary agent, requisition from the depositary agent
depositary receipts representing such number of one one-hundredths of a share of
Preferred Stock as are to be purchased (in which case certificates for the
shares of Preferred Stock represented by such receipts shall be deposited by the
transfer agent with the depositary agent) and the Company will direct the
depositary agent to comply with such request, (ii) requisition from the Company
the amount of cash, if any, to be paid in lieu of 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 Certificate, registered in such name or names
as may be designated by such holder, and (iv) after receipt thereof, deliver
such cash, if any, to or upon the order of the registered holder of such Rights
Certificate.  The payment of the Purchase Price (as such amount may be reduced
pursuant to Section 11(a)(iii) hereof) shall be made in cash or by certified
bank check or bank draft payable to the order of the Company.  In the event that
the Company is obligated to issue other securities 

                                       14
<PAGE>
 
(including Common Stock) of the Company, pay cash and/or distribute other
property pursuant to Section 11(a) hereof, the Company will make all
arrangements necessary so that such other securities, cash and/or other property
are available for distribution by the Rights Agent, if and when appropriate. The
Company reserves the right to require prior to the occurrence of a Triggering
Event that, upon any exercise of Rights, a number of Rights be exercised so that
only whole shares of Preferred Stock would be issued.

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

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

                                       15
<PAGE>
 
but shall have no liability to any holder of Rights Certificates or any other
Person as a result of its failure to make any determinations with respect to an
Acquiring Person or its Affiliates, Associates or transferees hereunder.

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

          Section 8.  Cancellation and Destruction of Rights Certificates.  All
                      ---------------------------------------------------      
Rights Certificates surrendered for the purpose of exercise, transfer, split-up,
combination or exchange shall, if surrendered to the Company or any of its
agents, be delivered to the Rights Agent for cancellation or in 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 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 Capital Stock.
                      --------------------------------------------- 

               (a)  The Company covenants and agrees that it will cause to be
reserved and kept available out of its authorized and unissued shares of
Preferred Stock (and, following the occurrence of a Triggering Event, out of its

                                      16
<PAGE>
 
authorized and unissued shares of Common Stock and/or other securities), the
number of shares of Preferred Stock (and, following the occurrence of a
Triggering Event, Common Stock and/or other securities) that, as provided in
this Agreement including Section 11(a)(iii) hereof, will be sufficient to permit
the exercise in full of all outstanding Rights.

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

               (c) The Company shall use its best efforts to (i) file, as soon
as practicable following the earliest date after the first occurrence of a
Section 11(a)(ii) Event on which the consideration to be delivered by the
Company upon exercise of the Rights has been determined in accordance with
Section 11(a)(iii) hereof, a registration statement under the Act, with respect
to the securities purchasable upon exercise of the Rights on an appropriate
form, (ii) cause such registration statement to become effective as soon as
practicable after such filing, and (iii) cause such registration statement to
remain effective (with a prospectus at all times meeting the requirements of the
Act) until the earlier of (A) the date as of which the Rights are no longer
exercisable for such securities, and (B) the date of the expiration of the
Rights. The Company will also take such action as may be appropriate under, or
to ensure compliance with, the securities or "blue sky" laws of the various
states in connection with the exercisability of the Rights. The Company may
temporarily suspend, for a period of time not to exceed ninety (90) days after
the date set forth in clause (i) of the first sentence of this Section 9(c), the
exercisability of the Rights in order to prepare and file such registration
statement and permit it to become effective. Upon any such suspension, the
Company shall issue a public announcement stating that the exercisability of the
Rights has been temporarily suspended, as well as a public announcement at such
time as the suspension has been rescinded. In addition, if the 

                                       17
<PAGE>
 
Company shall determine that a registration statement is required following the
Distribution Date, the Company may temporarily suspend the exercisability of the
Rights until such time as a registration statement has been declared effective.
Notwithstanding any provision of this Agreement to the contrary, the Rights
shall not be exercisable in any jurisdiction if the requisite qualification in
such jurisdiction shall not have been obtained, the exercise thereof shall not
be permitted under applicable law, or a registration statement shall not have
been declared effective.

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

               (e) 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 and of any certificates for a number of one one-hundredths of a
share of Preferred Stock (or Common Stock and/or other securities, as the case
may be) upon the exercise of Rights. The Company shall not, however, be required
to pay any transfer tax which may be payable in respect of any transfer or
delivery of Rights Certificates to a Person other than, or the issuance or
delivery of a number of one one-hundredths of a share of Preferred Stock (or
Common Stock and/or other securities, as the case may be) in respect of a name
other than that of the registered holder of the Rights Certificates evidencing
Rights surrendered for exercise or to issue or deliver any certificates for a
number of one one-hundredths of a share of Preferred Stock (or Common Stock
and/or other securities, as the case may be) in a name other than that of the
registered holder upon the exercise of any Rights until such tax shall have been
paid (any such tax being payable by the holder of such Rights Certificate at the
time of surrender) or until it has been established to the Company's
satisfaction that no such tax is due.

                                       18
<PAGE>
 
          Section 10.  Preferred Stock Record Date.  Each person in whose name
                       ---------------------------                            
any certificate for a number of one one-hundredths of a share of Preferred Stock
(or Common Stock and/or other securities, as the case may be) is issued upon the
exercise of Rights shall for all purposes be deemed to have become the holder of
record of such fractional shares of Preferred Stock (or Common Stock and/or
other securities, as the case may be) represented thereby on, and such
certificate shall be dated, the date upon which the Rights Certificate
evidencing such Rights was duly surrendered and payment of the Purchase Price
(and all applicable transfer taxes) was made; provided, however, that if the
                                              --------  -------             
date of such surrender and payment is a date upon which the Preferred Stock (or
Common Stock and/or other securities, as the case may be) transfer books of the
Company are closed, such Person shall be deemed to have become the record holder
of such shares (fractional or otherwise) on, and such certificate shall be
dated, the next succeeding Business Day on which the Preferred Stock (or Common
Stock and/or other securities, as the case may be) transfer books of the Company
are open.  Prior to the exercise of the Rights evidenced thereby, the holder of
a Rights Certificate shall not be entitled to any rights of a stockholder of the
Company with respect to shares for which the Rights shall be exercisable,
including, without limitation, the right to vote, to receive dividends or other
distributions or to exercise any preemptive rights, and shall not be entitled to
receive any notice of any proceedings of the Company, except as provided herein.

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

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

                                       19
<PAGE>
 
     any such reclassification in connection with a consolidation or merger in
     which the Company is the continuing or surviving corporation), except as
     otherwise provided in this Section 11(a) and Section 7(e) hereof, 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 Preferred Stock or
     capital stock, as the case may be, issuable on such date, shall be
     proportionately adjusted so that the holder of any Right exercised after
     such time shall be entitled to receive, upon payment of the Purchase Price
     then in effect, the aggregate number and kind of shares of Preferred Stock
     or capital stock, as the case may be, which, if such Right had been
     exercised immediately prior to such date and at a time when the Preferred
     Stock transfer books of the Company were open, such holder would have owned
     upon such exercise and been entitled to receive by virtue of such dividend,
     subdivision, combination or reclassification. If an event occurs which
     would require an adjustment under both this Section 11(a)(i) and Section
     11(a)(ii) hereof, the adjustment provided for in this Section 11(a)(i)
     shall be in addition to, and shall be made prior to, any adjustment
     required pursuant to Section 11(a)(ii) hereof.

               (ii)  In the event any Person shall, at any time after the Rights
     Dividend Declaration Date, become an Acquiring Person, unless the event
     causing such Person to become an Acquiring Person is a transaction set
     forth in Section 13(a) hereof, then, promptly following the occurrence of
     such event, proper provision shall be made so that each holder of a Right
     (except as provided below and in Section 7(e) hereof) shall thereafter have
     the right to receive, upon exercise thereof at the then current Purchase
     Price in accordance with the terms of this Agreement, in lieu of a number
     of one one-hundredths of a share of Preferred Stock, such number of shares
     of Common Stock of the Company as shall equal the result obtained by (x)
     multiplying the then current Purchase Price by the then number of one one-
     hundredths of a share of Preferred Stock for which a Right was exercisable
     immediately prior to the first occurrence of a Section 11(a)(ii) Event, and
     (y) 

                                       20
<PAGE>
 
     dividing that product (which, following such first occurrence, shall
     thereafter be referred to as the "Purchase Price" for each Right and for
     all purposes of this Agreement) by 50% of the Current Market Price
     (determined pursuant to Section 11(d) hereof) per share of Common Stock on
     the date of such first occurrence (such number of shares, the "Adjustment
     Shares").

               (iii)  In the event that the number of shares of Common Stock
     which are authorized by the Company's certificate of incorporation, but
     which are not outstanding or reserved for issuance for purposes other than
     upon exercise of the Rights, are not sufficient to permit the exercise in
     full of the Rights in accordance with the foregoing subparagraph (ii) of
     this Section 11(a), the Company shall (A) determine the value of the
     Adjustment Shares issuable upon the exercise of a Right (the "Current
     Value"), and (B) with respect to each Right (subject to Section 7(e)
     hereof), make adequate provision to substitute for the Adjustment Shares,
     upon the exercise of a Right and payment of the applicable Purchase Price,
     (1) cash, (2) a reduction in the Purchase Price, (3) Common Stock or other
     equity securities of the Company (including, without limitation, shares, or
     units of shares, of preferred stock, such as the Preferred Stock, which the
     Board has deemed to have essentially the same value or economic rights as
     shares of Common Stock (such shares of preferred stock being referred to as
     "Common Stock Equivalents")), (4) debt securities of the Company, (5) other
     assets, or (6) any combination of the foregoing, having an aggregate value
     equal to the Current Value (less the amount of any reduction in the
     Purchase Price), where such aggregate value has been determined by the
     Board based upon the advice of a nationally recognized investment banking
     firm selected by the Board; provided, however, that if the Company shall
                                 --------  -------                           
     not have made adequate provision to deliver value pursuant to clause (B)
     above within thirty (30) days following the later of (x) the first
     occurrence of a Section 11(a)(ii) Event and (y) the date on which the
     Company's right of redemption pursuant to Section 23(a) expires (the later
     of (x) and (y) being referred to herein as the "Section 11(a)(ii) Trigger
     Date"), then the Company shall be 

                                      21
<PAGE>
 
     obligated to deliver, upon the surrender for exercise of a Right and
     without requiring payment of the Purchase Price, shares of Common Stock (to
     the extent available) and then, if necessary, cash, which shares and/or
     cash have an aggregate value equal to the Spread. For purposes of the
     preceding sentence, the term "Spread" shall mean the excess of (i) the
     Current Value over (ii) the Purchase Price. If the Board determines in good
     faith that it is likely that sufficient additional shares of Common Stock
     could be authorized for issuance upon exercise in full of the Rights, the
     thirty (30) day period set forth above may be extended to the extent
     necessary, but not more than one hundred and fifty (150) days after the
     Section 11(a)(ii) Trigger Date, in order that the Company may seek
     stockholder approval for the authorization of such additional shares (such
     thirty (30) day period, as it may be extended, is herein called the
     "Substitution Period"). To the extent that action is to be taken pursuant
     to the first and/or third sentences of this Section 11(a)(iii), the Company
     (1) shall provide, subject to Section 7(e) hereof, that such action shall
     apply uniformly to all outstanding Rights, and (2) may suspend the
     exercisability of the Rights until the expiration of the Substitution
     Period in order to seek such stockholder approval for such authorization of
     additional shares and/or to decide the appropriate form of distribution to
     be made pursuant to such first sentence and to determine the value thereof.
     In the event of any such suspension, the Company shall issue a public
     announcement stating that the exercisability of the Rights has been
     temporarily suspended, as well as a public announcement at such time as the
     suspension is no longer in effect. For purposes of this Section 11(a)(iii),
     the value of each Adjustment Share shall be the current market price per
     share of the Common Stock on the Section 11(a)(ii) Trigger Date and the per
     share or per unit value of any Common Stock Equivalent shall be deemed to
     equal the current market price per share of the Common Stock on such date.

          (b)  In case the Company shall fix a record date for the issuance of
rights, options or warrants to all holders of Preferred Stock entitling them to
subscribe for or purchase (for a period expiring within forty-five 

                                       22
<PAGE>
 
(45) calendar days after such record date) Preferred Stock (or shares having the
same rights, privileges and preferences as the shares of Preferred Stock
("Equivalent Preferred Stock")) or securities convertible into Preferred Stock
or Equivalent Preferred Stock at a price per share of Preferred Stock or per
share of Equivalent Preferred Stock (or having a conversion price per share, if
a security convertible into Preferred Stock or Equivalent Preferred Stock) less
than the Current Market Price (as determined pursuant to Section 11(d) hereof)
per share of Preferred Stock on such record date, the Purchase Price to be in
effect after such record date shall be determined by multiplying the Purchase
Price in effect immediately prior to such record date by a fraction, the
numerator of which shall be the number of shares of Preferred Stock outstanding
on such record date, plus the number of shares of Preferred Stock which the
aggregate offering price of the total number of shares of Preferred Stock and/or
Equivalent Preferred Stock so to be offered (and/or the aggregate initial
conversion price of the convertible securities so to be offered) would purchase
at such Current Market Price, and the denominator of which shall be the number
of shares of Preferred Stock outstanding on such record date, plus the number of
additional shares of Preferred Stock and/or Equivalent Preferred Stock to be
offered for subscription or purchase (or into which the convertible securities
so to be offered are initially convertible). In case such subscription price may
be paid by delivery of consideration, part or all of which may be in a form
other than cash, the value of such consideration shall be as determined in good
faith by the Board of Directors of the Company, whose determination shall be
described in a statement filed with the Rights Agent and shall be binding on the
Rights Agent and the holders of the Rights. Shares of Preferred Stock 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 a distribution to
all holders of Preferred Stock (including any such distribution made in
connection with a consolidation or merger in which the Company is the 

                                       23
<PAGE>
 
continuing corporation) of cash (other than a regular quarterly cash dividend
out of the earnings or retained earnings of the Company), assets (other than a
dividend payable in Preferred Stock, but including any dividend payable in stock
other than Preferred Stock) or evidences of indebtedness, or of subscription
rights or warrants (excluding those referred to in Section 11(b) hereof), the
Purchase Price to be in effect after such record date shall be determined by
multiplying the Purchase Price in effect immediately prior to such record date
by a fraction, the numerator of which shall be the Current Market Price (as
determined pursuant to Section 11(d) hereof) per share of Preferred Stock 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 cash, assets or
evidences of indebtedness so to be distributed or of such subscription rights or
warrants applicable to a share of Preferred Stock, and the denominator of which
shall be such Current Market Price (as determined pursuant to Section 11(d)
hereof) per share of Preferred Stock. Such adjustments shall be made
successively whenever such a record date is fixed, and in the event that such
distribution is not so made, the Purchase Price shall be adjusted to be the
Purchase Price which would have been in effect if such record date had not been
fixed.

          (d)(i)  For the purpose of any computation hereunder, other than
computations made pursuant to Section 11(a)(iii) hereof, the Current Market
Price per share of Common Stock on any date shall be deemed to be the average of
the daily closing prices per share of such Common Stock for the thirty (30)
consecutive Trading Days immediately prior to such date, and for purposes of
computations made pursuant to Section 11(a)(iii) hereof, the Current Market
Price per share of Common Stock on any date shall be deemed to be the average of
the daily closing prices per share of such Common Stock for the ten (10)
consecutive Trading Days immediately following such date; provided, however,
                                                          --------  ------- 
that in the event that the Current Market Price per share of the Common Stock is
determined during a period following the announcement by the issuer of such
Common Stock of (A) a dividend or distribution on such Common Stock payable in
shares of such Common Stock or securities convertible into shares of

                                       24
<PAGE>
 
such Common Stock (other than the Rights), or (B) any subdivision, combination
or reclassification of such Common Stock, and the ex-dividend date for such
dividend or distribution, or the record date for such subdivision, combination
or reclassification shall not have occurred prior to the commencement of the
requisite thirty (30) Trading Day or ten (10) Trading Day period, as set forth
above, then, and in each such case, the Current Market Price shall be properly
adjusted to take into account ex-dividend trading.  The closing price for each
day shall be the last sale price, regular way, or, in case no such sale takes
place on such day, the average of the closing bid and asked prices, regular way,
in either case as reported in the principal consolidated transaction reporting
system with respect to securities listed or admitted to trading on the New York
Stock Exchange or, if the shares of Common Stock are not listed or admitted to
trading on the New York Stock Exchange, as reported in the principal
consolidated transaction reporting system with respect to securities listed on
the principal national securities exchange on which the shares of Common Stock
are listed or admitted to trading or, if the shares of Common Stock are not
listed or admitted to trading on any national securities exchange, the last
quoted price or, if not so quoted, the average of the high bid and low asked
prices in the over-the-counter market, as reported by the National Association
of Securities Dealers Automated Quotation System ("NASDAQ") or such other system
then in use, or, if on any such date the shares of Common Stock are not quoted
by any such organization, the average of the closing bid and asked prices as
furnished by a professional market maker making a market in the Common Stock
selected by the Board.  If on any such date no market maker is making a market
in the Common Stock, the fair value of such shares on such date as determined in
good faith by the Board shall be used.  The term "Trading Day" shall mean a day
on which the principal national securities exchange on which the shares of
Common Stock are listed or admitted to trading is open for the transaction of
business or, if the shares of Common Stock are not listed or admitted to trading
on any national securities exchange, a Business Day.  If the Common Stock is not
publicly held or not so listed or traded, Current Market Price per share shall
mean the fair value per share as determined in good faith by the Board, whose
determination shall be described in a statement filed with the Rights Agent and
shall be conclusive for all purposes.

                                       25
<PAGE>
 
               (ii)  For the purpose of any computation hereunder, the Current
     Market Price per share of Preferred Stock shall be determined in the same
     manner as set forth above for the Common Stock in clause (i) of this
     Section 11(d) (other than the last sentence thereof).  If the Current
     Market Price per share of Preferred Stock cannot be determined in the
     manner provided above or if the Preferred Stock is not publicly held or
     listed or traded in a manner described in clause (i) of this Section 11(d),
     the Current Market Price per share of Preferred Stock shall be conclusively
     deemed to be an amount equal to 100 (as such number may be appropriately
     adjusted for such events as stock splits, stock dividends and
     recapitalizations with respect to the Common Stock occurring after the date
     of this Agreement) multiplied by the Current Market Price per share of the
     Common Stock.  If neither the Common Stock nor the Preferred Stock is
     publicly held or so listed or traded, Current Market Price per share of the
     Preferred Stock shall mean the fair value per share as determined in good
     faith by the Board, whose determination shall be described in a statement
     filed with the Rights Agent and shall be conclusive for all purposes.  For
     all purposes of this Agreement, the Current Market Price of a Unit shall be
     equal to the Current Market Price of one share of Preferred Stock divided
     by 100.

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

                                       26
<PAGE>
 
          (f) If as a result of an adjustment made pursuant to Section 11(a)(ii)
or Section 13(a) hereof, the holder of any Right thereafter exercised shall
become entitled to receive any shares of capital stock other than Preferred
Stock, thereafter the number of such other shares so receivable upon exercise of
any Right and the Purchase Price thereof shall be subject to adjustment from
time to time in a manner and on terms as nearly equivalent as practicable to the
provisions with respect to the Preferred Stock contained in Sections 11(a), (b),
(c), (e), (g), (h), (i), (j), (k) and (m), and the provisions of Sections 7, 9,
10, 13 and 14 hereof with respect to the Preferred Stock shall apply on like
terms to any such other shares.

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

          (h) 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 Sections 11(b) and (c), each Right outstanding immediately
prior to the making of such adjustment shall thereafter evidence the right to
purchase, at the adjusted Purchase Price, that number of one one-hundredths of a
share of Preferred Stock (calculated to the nearest one-millionth) obtained by
(i) multiplying (x) the number of one one-hundredths of a share covered by a
Right immediately prior to this adjustment, by (y) the Purchase Price in effect
immediately prior to such adjustment of the Purchase Price, and (ii) dividing
the product so obtained by the Purchase Price in effect immediately after such
adjustment of the Purchase Price.

          (i) The Company may elect on or after the date of any adjustment of
the Purchase Price to adjust the number of Rights, in lieu of any adjustment in
the number of one one-hundredths of a share of Preferred Stock purchasable upon
the exercise of a Right.  Each of the Rights outstanding after the adjustment in
the number of Rights shall be exercisable for the number of one one-

                                       27
<PAGE>
 
hundredths of a share of Preferred Stock for which a Right was exercisable
immediately prior to such adjustment. Each Right held of record prior to such
adjustment of the number of Rights shall become that number of Rights
(calculated to the nearest one-ten-thousandth) obtained by dividing the Purchase
Price in effect immediately prior to adjustment of the Purchase Price by the
Purchase Price in effect immediately after adjustment of the Purchase Price. The
Company shall make a public announcement of its election to adjust the number of
Rights, indicating the record date for the adjustment, and, if known at the
time, the amount of the adjustment to be made. This record date may be the date
on which the Purchase Price is adjusted or any day thereafter, but, if the
Rights Certificates have been issued, shall be at least ten (10) 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 Company, shall cause to be distributed to such holders of record in
substitution and replacement for the Rights Certificates held by such holders
prior to the date of adjustment, and upon surrender thereof, if required by the
Company, new Rights Certificates evidencing all the Rights to which such holders
shall be entitled after such adjustment. Rights Certificates so to be
distributed shall be issued, executed and countersigned in the manner provided
for herein (and may bear, at the option of the Company, the adjusted Purchase
Price) and shall be registered in the names of the holders of record of Rights
Certificates on the record date specified in the public announcement.

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

                                       28
<PAGE>
 
          (k) Before taking any action that would cause an adjustment reducing
the Purchase Price below the then stated value, if any, of the number of one
one-hundredths of a share of Preferred Stock issuable upon exercise of the
Rights, the Company shall take any corporate action which may, in the opinion of
its counsel, be necessary in order that the Company may validly and legally
issue fully paid and nonassessable such number of one one-hundredths of a share
of Preferred Stock at such adjusted Purchase Price.

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

          (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 in their good faith judgment the Board of Directors of the
Company shall determine to be advisable in order that any (i) consolidation or
subdivision of the Preferred Stock, (ii) issuance wholly for cash of any shares
of Preferred Stock at less than the Current Market Price, (iii) issuance wholly
for cash of shares of Preferred Stock or securities which by their terms are
convertible into or exchangeable for shares of Preferred Stock, (iv) stock
dividends or (v) issuance of rights, options or warrants referred to in this
Section 11, hereafter made by the Company to holders of its Preferred Stock
shall not be taxable to such stockholders.

                                       29
<PAGE>
 
          (n) The Company covenants and agrees that it shall not, at any time
after the Distribution Date, (i) consolidate with any other Person (other than a
Subsidiary of the Company in a transaction which complies with Section 11(o)
hereof), (ii) merge with or into any other Person (other than a Subsidiary of
the Company in a transaction which complies with Section 11(o) hereof), or (iii)
sell or transfer (or permit any Subsidiary to sell or transfer), in one
transaction, or a series of related transactions, assets, cash flow or earning
power aggregating more than 50% of the assets or earning power of the Company
and its Subsidiaries (taken as a whole) to any other Person or Persons (other
than the Company and/or any of its Subsidiaries in one or more transactions each
of which complies with Section 11(o) hereof), if (x) at the time of or
immediately after such consolidation, merger or sale there are any rights,
warrants or other instruments or securities outstanding or agreements in effect
which would substantially diminish or otherwise eliminate the benefits intended
to be afforded by the Rights or (y) prior to, simultaneously with or immediately
after such consolidation, merger or sale, the shareholders of the Person who
constitutes, or would constitute, the "Principal Party" for purposes of Section
13(a) hereof shall have received a distribution of Rights previously owned by
such Person or any of its Affiliates and Associates.

          (o) The Company covenants and agrees that, after the Distribution
Date, it will not, except as permitted by Section 23 or Section 27 hereof, take
(or permit any Subsidiary to take) any action if at the time such action is
taken it is reasonably foreseeable that such action will diminish substantially
or otherwise eliminate the benefits intended to be afforded by the Rights.

          (p) Anything in this Agreement to the contrary notwithstanding, in the
event that the Company shall at any time after the Rights Dividend Declaration
Date and prior to the Distribution Date (i) declare a dividend on the
outstanding shares of Common Stock payable in shares of Common Stock, (ii)
subdivide the outstanding shares of Common Stock, or (iii) combine the
outstanding shares of Common Stock into a smaller number of shares, the number
of Rights associated with each share of Common Stock then outstanding, or issued
or delivered thereafter 

                                       30
<PAGE>
 

but prior to the Distribution Date, shall be proportionately adjusted so that
the number of Rights thereafter associated with each share of Common Stock
following any such event shall equal the result obtained by multiplying the
number of Rights associated with each share of Common Stock immediately prior to
such event by a fraction the numerator of which shall be the total number of
shares of Common Stock outstanding immediately prior to the occurrence of the
event and the denominator of which shall be the total number of shares of Common
Stock outstanding immediately following the occurrence of such event.

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

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

          (a) In the event that, following the Stock Acquisition Date, directly
or indirectly, (x) the Company shall consolidate with, or merge with and into,
any other Person (other than a Subsidiary of the Company in a transaction which
complies with Section 11(o) hereof), and the Company shall not be the continuing
or surviving corporation of such consolidation or merger, (y) any Person (other
than a Subsidiary of the Company in a transaction which complies with Section
11(o) hereof) shall consolidate with, or merge with or into, the Company, and
the Company shall be the continuing or surviving corporation of such
consolidation or merger and, in connection with such consolidation or merger,
all or part of the outstanding shares of Common Stock shall be changed into or
exchanged for stock or other securities of any other Person or cash or any other
property, or (z) the Company shall sell or otherwise transfer (or one or more 

                                       31
<PAGE>
 
of its Subsidiaries shall sell or otherwise transfer), in one transaction or a
series of related transactions, assets, cash flow or earning power aggregating
more than 50% of the assets, cash flow or earning power of the Company and its
Subsidiaries (taken as a whole) to any Person or Persons (other than the Company
or any Subsidiary of the Company in one or more transactions each of which
complies with Section 11(o) hereof), then, and in each such case, proper
provision shall be made so that: (i) each holder of a Right, except as provided
in Section 7(e) hereof, shall thereafter have the right to receive, upon the
exercise thereof at the then current Purchase Price in accordance with the terms
of this Agreement, such number of validly authorized and issued, fully paid, 
non-assessable and freely tradeable shares of Common Stock of the Principal 
Party (as such term is hereinafter defined), not subject to any liens, 
encumbrances, rights of first refusal or other adverse claims, as shall be equal
to the result obtained by (1) multiplying the then current Purchase Price by the
number of one one-hundredths of a share of Preferred Stock for which a Right is
exercisable immediately prior to the first occurrence of a Section 13 Event (or,
if a Section 11(a)(ii) Event has occurred prior to the first occurrence of a
Section 13 Event, multiplying the number of such one one-hundredths of a share
for which a Right was exercisable immediately prior to the first occurrence of a
Section 11(a)(ii) Event by the Purchase Price in effect immediately prior to
such first occurrence), and dividing that product (which, following the first
occurrence of a Section 13 Event, shall be referred to as the "Purchase Price"
for each Right and for all purposes of this Agreement) by (2) 50% of the Current
Market Price (determined pursuant to Section 11(d)(i) hereof) per share of the
Common Stock of such Principal Party on the date of consummation of such Section
13 Event; (ii) such Principal Party shall thereafter be liable for, and shall
assume, by virtue of such Section 13 Event, all the obligations and duties of
the Company pursuant to this Agreement; (iii) the term "Company" shall
thereafter be deemed to refer to such Principal Party, it being specifically
intended that the provisions of Section 11 hereof shall apply only to such
Principal Party following the first occurrence of a Section 13 Event; (iv) such
Principal Party shall take such steps (including, but not limited to, the
reservation of a sufficient number of shares of its Common Stock) in connection
with the consummation of any such transaction as may be necessary

                                       32
<PAGE>
 
to assure that the provisions hereof shall thereafter be applicable, as nearly
as reasonably may be, in relation to its shares of Common Stock thereafter
deliverable upon the exercise of the Rights; and (v) the provisions of Section
11(a)(ii) hereof shall be of no effect following the first occurrence of any
Section 13 Event.

               (b)  "Principal Party" shall mean:

                    (i)  in the case of any transaction described in clause (x)
     or (y) of the first sentence of Section 13(a), the Person that is the
     issuer of any securities into which shares of Common Stock of the Company
     are converted in such merger or consolidation, and if no securities are so
     issued, the Person that is the other party to such merger or consolidation;
     and

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

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

          (c) The Company shall not consummate any such consolidation, merger,
sale or transfer unless the Principal Party shall have a sufficient number of
authorized shares of its Common Stock which have not been issued or reserved for
issuance to permit the exercise in full of the Rights in accordance with this
Section 13 and unless prior thereto the Company and such Principal Party shall
have executed and delivered to the Rights Agent a 

                                       33
<PAGE>
 

supplemental agreement providing for the terms set forth in paragraphs (a) and
(b) of this Section 13 and further providing that, as soon as practicable after
the date of any consolidation, merger or sale of assets mentioned in paragraph
(a) of this Section 13, the Principal Party will

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

                    (ii)  take all such other action as may be necessary to
     enable the Principal Party to issue the securities purchasable upon
     exercise of the Rights, including but not limited to the registration or
     qualification of such securities under all requisite securities laws of
     jurisdictions of the various states and the listing of such securities on
     such exchanges and trading markets as may be necessary or appropriate; and

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

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

          Section 14.  Fractional Rights and Fractional Shares.
                       --------------------------------------- 

               (a) The Company shall not be required to issue fractions of
Rights, except prior to the Distribution Date as provided in Section 11(p)
hereof, or to distribute Rights Certificates which evidence 

                                       34
<PAGE>
 
fractional Rights. In lieu of such fractional Rights, the Company shall pay to
the registered holders of the Rights Certificates with regard to which such
fractional Rights would otherwise be issuable, an amount in cash equal to the
same fraction of the current market value of a whole Right. For purposes of this
Section 14(a), the current market value of a whole Right shall be the closing
price of the Rights for the Trading Day immediately prior to the date on which
such fractional Rights would have been otherwise issuable. The closing price of
the Rights for any day shall be the last sale price, regular way, or, in case no
such sale takes place on such day, the average of the closing bid and asked
prices, regular way, in either case as reported in the principal consolidated
transaction reporting system with respect to securities listed or admitted to
trading on the New York Stock Exchange or, if the Rights are not listed or
admitted to trading on the New York Stock Exchange, as reported in the principal
consolidated transaction reporting system with respect to securities listed on
the principal national securities exchange on which the Rights are listed or
admitted to trading, or if the Rights are not listed or admitted to trading on
any national securities exchange, the last quoted price or, if not so quoted,
the average of the high bid and low asked prices in the over-the-counter market,
as reported by NASDAQ or such other system then in use or, if on any such date
the Rights are not quoted by any such organization, the average of the closing
bid and asked prices as furnished by a professional market maker making a market
in the Rights, selected by the Board of Directors of the Company. If on any such
date no such market maker is making a market in the Rights, the fair value of
the Rights on such date as determined in good faith by the Board of Directors of
the Company shall be used.

               (b) The Company shall not be required to issue fractions of
shares of Preferred Stock (other than fractions which are integral multiples of
one one-hundredth of a share of Preferred Stock) upon exercise of the Rights or
to distribute certificates which evidence fractional shares of Preferred Stock
(other than fractions which are integral multiples of one one-hundredth of a
share of Preferred Stock). In lieu of fractional shares of Preferred Stock that
are not integral multiples of one one-hundredth of a share of Preferred Stock,
the Company may pay to the registered holders of Rights Certificates at the time
such Rights are exercised as herein provided 

                                       35
<PAGE>
 
an amount in cash equal to the same fraction of the current market value of one
one-hundredth of a share of Preferred Stock. For purposes of this Section 14(b),
the current market value of one one-hundredth of a share of Preferred Stock
shall be one one-hundredth of the closing price of a share of Preferred Stock
(as determined pursuant to Section 11(d)(ii) hereof) for the Trading Day
immediately prior to the date of such exercise.

               (c) Following the occurrence of a Triggering Event, the Company
shall not be required to issue fractions of shares of Common Stock upon exercise
of the Rights or to distribute certificates which evidence fractional shares of
Common Stock. In lieu of fractional shares of Common Stock, the Company may pay
to the registered holders of Rights Certificates at the time such Rights are
exercised as herein provided an amount in cash equal to the same fraction of the
current market value of one (1) share of Common Stock. For purposes of this
Section 14(c), the current market value of one share of Common Stock shall be
the closing price of one share of Common Stock (as determined pursuant to
Section 11(d)(i) hereof) for the Trading Day immediately prior to the date of
such exercise.

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

          Section 15.  Rights of Action.  All rights of action in respect of
                       ----------------                                     
this Agreement are vested in the respective registered holders of the Rights
Certificates (and, prior to the Distribution Date, the registered holders of the
Common Stock); and any registered holder of any Rights Certificate (or, prior to
the Distribution Date, of the Common Stock), without the consent of the Rights
Agent or of the holder of any other Rights Certificate (or, prior to the
Distribution Date, of the Common Stock), may, in his 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 

                                       36
<PAGE>
 
to the holders of Rights, it is specifically acknowledged that the holders of
Rights would not have an adequate remedy at law for any breach of this Agreement
and shall be entitled to specific performance of the obligations hereunder and
injunctive relief against actual or threatened violations of the obligations
hereunder of any Person subject to this Agreement.

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

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

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

               (c) subject to Section 6(a) and Section 7(f) hereof, the Company
and the Rights Agent may deem and treat the person in whose name a Rights
Certificate (or, prior to the Distribution Date, the associated Common Stock
certificate) is registered as the absolute owner thereof and of the Rights
evidenced thereby (notwithstanding any notations of ownership or writing on the
Rights Certificates or the associated Common Stock certificate made by anyone
other than the Company or the Rights Agent) for all purposes whatsoever, and
neither the Company nor the Rights Agent, subject to the last sentence of
Section 7(e) hereof, shall be required to be affected by any notice to the
contrary; and

               (d) notwithstanding anything in this Agreement to the contrary,
neither the Company nor the Rights Agent shall have any liability to any holder
of a Right or other Person as a result of its inability to perform any of its
obligations under this Agreement by reason of any preliminary or permanent
injunction or other order, decree or ruling issued by a court of competent
jurisdiction or by a governmental, regulatory or 

                                       37
<PAGE>
 
administrative agency or commission, or any statute, rule, regulation or
executive order promulgated or enacted by any governmental authority,
prohibiting or otherwise restraining performance of such obligation; provided,
                                                                     --------
however, the Company must use its best efforts to have any such order, decree or
- -------
ruling lifted or otherwise overturned as soon as possible.

          Section 17.  Rights Certificate Holder Not Deemed a Stockholder.  No
                       --------------------------------------------------     
holder, as such, of any Rights Certificate shall be entitled to vote, receive
dividends or be deemed for any purpose the holder of the number of one one-
hundredths of a share of Preferred Stock or any other securities of the Company
which may at any time be issuable on the exercise of the Rights represented
thereby, nor shall anything contained herein or in any Rights Certificate be
construed to confer upon the holder of any Rights Certificate, as such, any of
the rights of a stockholder of the Company or any right to vote for the election
of directors or upon any matter submitted to stockholders at any meeting
thereof, or to give or withhold consent to any corporate action, or to receive
notice of meetings or other actions affecting stockholders (except as provided
in Section 25 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.
                       --------------------------- 

               (a) The Company agrees to pay to the Rights Agent reasonable
compensation for all services rendered by it hereunder and, from time to time,
on demand of the Rights Agent, its reasonable expenses and counsel fees and
disbursements 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
negligence, bad faith or willful misconduct on the part of the Rights Agent, for
anything done or omitted by the Rights Agent in connection with the acceptance
and administration of this Agreement, including the costs and expenses of
defending against any claim of liability in the premises.

                                       38
<PAGE>
 
               (b) The Rights Agent shall be protected and shall incur no
liability for or in respect of any action taken, suffered or omitted by it in
connection with its administration of this Agreement in reliance upon any Rights
Certificate or certificate for Common Stock or for other securities of the
Company, instrument of assignment or transfer, power of attorney, endorsement,
affidavit, letter, notice, direction, consent, certificate, statement, or other
paper or document believed by it to be genuine and to be signed, executed and,
where necessary, verified or acknowledged, by the proper Person or Persons.

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

               (b) 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

                                      39
<PAGE>
 
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 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 (including, without limitation, the identity of any Acquiring Person and
the determination of Current Market Price) be proved or established by the
Company prior to taking or suffering any action hereunder, such fact or matter
(unless other evidence in respect thereof be herein specifically prescribed) may
be deemed to be conclusively proved and established by a certificate signed by
the President, any Vice President, the Treasurer, any Assistant Treasurer, the
Secretary or any Assistant Secretary of the Company and delivered to the Rights
Agent; and such certificate shall be full authorization to the Rights Agent for
any action taken 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 only for its own
negligence, bad faith or willful misconduct.

               (d) The Rights Agent shall not be liable for or by reason of any
of the statements of fact or recitals contained in this Agreement or in the
Rights Certificates or be required to verify the same (except as to its
countersignature on such Rights Certificates), but 

                                       40
<PAGE>
 
all such statements and recitals are and shall be deemed to have been made by
the Company only.

               (e) The Rights Agent shall not be under any responsibility with
respect to the validity of this Agreement or the execution and delivery hereof
(except the due execution hereof by the Rights Agent) or with respect to 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 adjustment required under the provisions of
Section 11, Section 13 or Section 24 hereof or responsible for the manner,
method or amount of any such adjustment or the ascertaining of the existence of
facts that would require any such adjustment (except with respect to the
exercise of Rights evidenced by Rights Certificates after actual notice of any
such adjustment); nor shall it by any act hereunder be deemed to make any
representation or warranty as to the authorization or reservation of any shares
of Common Stock or Preferred Stock to be issued pursuant to this Agreement or
any Rights Certificate or as to whether any shares of Common Stock or Preferred
Stock will, when so issued, be validly authorized and issued, fully paid and
nonassessable.

               (f) 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.

                                       41
<PAGE>
 
               (g) The Rights Agent is hereby authorized and directed to accept
instructions with respect to the performance of its duties hereunder from the
President, any Vice President, the Secretary or the Treasurer of the Company,
and to apply to such officers for advice or instructions in connection with its
duties, and it shall not be liable for any action taken or suffered to be taken
by it in good faith in accordance with instructions of any such officer.

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

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

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

                                       42
<PAGE>
 
               (k) If, with respect to any Rights Certificate surrendered to the
Rights Agent for exercise or transfer, the certificate attached to the form of
assignment or form of election to purchase, as the case may be, has either not
been completed or indicates an affirmative response to clause 1 and/or 2
thereof, the Rights Agent shall not take any further action with respect to such
requested exercise or transfer without first consulting with the Company.

          Section 21.  Change of Rights Agent.  The Rights Agent or any
                       ----------------------                          
successor Rights Agent may resign and be discharged from its duties under this
Agreement upon thirty (30) days' notice in writing mailed to the Company, and to
each transfer agent of the Common Stock and Preferred Stock, by registered or
certified mail, and, if such resignation occurs after the Distribution Date, to
the registered holders of the Rights Certificates by first-class mail.  The
Company may remove the Rights Agent or any successor Rights Agent upon thirty
(30) days' notice in writing, mailed to the Rights Agent or successor Rights
Agent, as the case may be, and to each transfer agent of the Common Stock and
Preferred Stock, by registered or certified mail, and, if such removal occurs
after the Distribution Date, to the holders of the Rights Certificates by first-
class mail.  If the Rights Agent shall resign or be removed or shall otherwise
become incapable of acting, the Company shall appoint a successor to the Rights
Agent.  If the Company shall fail to make such appointment within a period of
thirty (30) 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 any 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)
a legal business entity organized and doing business under the laws of the
United States or of the State of Hawaii or of any other state of the United
States, in good standing, which is authorized under such laws to exercise
corporate trust or stock transfer or shareholder services powers and which has
at the time of its appointment as Rights Agent a combined capital and surplus of
at least $50,000,000 or 

                                       43
<PAGE>
 
(b) an affiliate of a legal business entity described in clause (a) of this
sentence. After appointment, the successor Rights Agent shall be vested with the
same powers, rights, duties and responsibilities as if it had been originally
named as Rights Agent without further act or deed; but the predecessor Rights
Agent shall deliver and transfer to the successor Rights Agent any property at
the time held by it hereunder, and execute and deliver any further assurance,
conveyance, act or deed necessary for the purpose. Not later than the effective
date of any such appointment, the Company shall file notice thereof in writing
with the predecessor Rights Agent and each transfer agent of the Common Stock
and the Preferred Stock, and, if such appointment occurs after the Distribution
Date, 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 the Board of Directors to reflect any adjustment
or change in the Purchase Price and the number or kind or class of shares or
other securities or property purchasable under the Rights Certificates made in
accordance with the provisions of this Agreement.  In addition, in connection
with the issuance or sale of shares of Common Stock following the Distribution
Date and prior to the redemption or expiration of the Rights, the Company (a)
shall, with respect to shares of Common Stock so issued or sold pursuant to the
exercise of stock options or under any employee plan or arrangement, granted or
awarded as of the Distribution Date, or upon the exercise, conversion or
exchange of securities hereinafter issued by the Company, and (b) may, in any
other case, if deemed necessary or appropriate by the Board of Directors of the
Company, issue Rights Certificates representing the appropriate number of Rights
in connection with such issuance or sale; provided, however, that (i) no such
                                          --------  -------                  
Rights Certificate shall be issued if, and to the extent that, the Company shall
be advised by counsel that such issuance would 

                                       44
<PAGE>
 
create a significant risk of material adverse tax consequences to the Company or
the Person to whom such Rights Certificate would be issued, and (ii) no such
Rights Certificate shall be issued if, and to the extent that, appropriate
adjustment shall otherwise have been made in lieu of the issuance thereof.

          Section 23.  Redemption and Termination.
                       -------------------------- 

               (a) The Board of Directors of the Company may, at its option, at
any time prior to the earlier of (i) the close of business on the tenth Business
Day following the Stock Acquisition Date (or, if the Stock Acquisition Date
shall have occurred prior to the Record Date, the close of business on the tenth
Business Day following the Record Date), or (ii) the Final Expiration Date,
redeem all but not less than all of the then outstanding Rights at a redemption
price of $.01 per Right, as such amount may be appropriately adjusted to reflect
any stock split, stock dividend or similar transaction occurring after the date
hereof (such redemption price being hereinafter referred to as the "Redemption
Price"). Notwithstanding anything contained in this Agreement to the contrary,
the Rights shall not be exercisable after the first occurrence of a Section
11(a)(ii) Event until such time as the Company's right of redemption hereunder
has expired. The Company may, at its option, pay the Redemption Price in cash,
shares of Common Stock (based on the Current Market Price, as defined in Section
11(d)(i) hereof, of the Common Stock at the time of redemption) or any other
form of consideration deemed appropriate by the Board of Directors.

               (b) Immediately upon the action of the Board of Directors of the
Company ordering the redemption of the Rights, evidence of which shall have been
filed with the Rights Agent and without any further action and without any
notice, the right to exercise the Rights will terminate and the only right
thereafter of the holders of Rights shall be to receive the Redemption Price for
each Right so held. Promptly after the action of the Board of Directors ordering
the redemption of the Rights, the Company shall give notice of such redemption
to the Rights Agent and the holders of the then outstanding Rights by mailing
such notice to all such holders at each holder's last address as it appears upon
the registry books of the Rights Agent or, prior to the Distribution Date, on
the 

                                       45
<PAGE>
 
registry books of the transfer agent for the Common Stock. Any notice which is
mailed in the manner herein provided shall be deemed given, whether or not the
holder receives the notice. Each such notice of redemption will state the method
by which the payment of the Redemption Price will be made.

               (c) Notwithstanding the provisions of Section 23(a) hereof, in
the event that a majority of the Board of Directors of the Company is elected by
stockholder action by written consent, or is comprised of persons elected at a
meeting of stockholders who were not nominated by the Board of Directors of the
Company in office immediately prior to such meeting, then for a period of one
hundred and twenty (120) days following the effectiveness of such election the
Rights shall not be redeemed if such redemption is reasonably likely to have the
purpose or effect of allowing any Person to become an Acquiring Person or
otherwise facilitating the occurrence of a Triggering Event or a transaction
with an Acquiring Person.

          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 7(e) hereof) for Common
Stock at an exchange ratio of one share of Common Stock per Right, appropriately
adjusted to reflect any stock split, stock dividend or similar transaction
occurring after the date hereof (such exchange ratio being hereinafter referred
to as the "Exchange Ratio"). Notwithstanding the foregoing, the Board of
Directors of the Company shall not be empowered to effect such exchange at any
time after any Person (other than the Company, any Subsidiary of the Company,
any employee benefit plan of the Company or any such Subsidiary, or any entity
holding Common Stock for or pursuant to the terms of any such plan), together
with all Affiliates and Associates of such Person, becomes the Beneficial Owner
of 50% or more of the Common Stock then outstanding.

                                       46
<PAGE>
 
               (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 shares of Common Stock equal
to the number of such Rights held by such holder multiplied by the Exchange
Ratio.  The Company shall promptly give public notice of any such exchange;
provided, however, that the failure to give, or any defect in, such notice shall
- --------  -------                                                               
not affect the validity of such exchange.  The Company promptly shall mail a
notice of any such exchange to all of the holders of such Rights at their last
addresses as they appear upon the registry books of the Rights Agent.  Any
notice which is mailed in the manner herein provided shall be deemed given,
whether or not the holder receives the notice.  Each such notice of exchange
will state the method by which the exchange of the Common Stock for Rights will
be effected and, in the event of any partial exchange, the number of Rights
which will be exchanged.  Any partial exchange shall be effected pro rata based
on the number of Rights (other than Rights which have become void pursuant to
the provisions of Section 7(e) hereof) held by each holder of Rights.

               (c) In any exchange pursuant to this Section 24, the Company, at
its option, may substitute Preferred Stock (or Equivalent Preferred Stock, as
such term is defined in paragraph (b) of Section 11 hereof) for Common Stock
exchangeable for Rights, at the initial rate of one one-hundredth of a share of
Preferred Stock (or Equivalent Preferred Stock) for each share of Common Stock,
as appropriately adjusted to reflect stock splits, stock dividends and other
similar transactions after the date hereof.

               (d) In the event that there shall not be sufficient shares of
Common Stock 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
shares of Common Stock for issuance upon exchange of the Rights.

                                       47
<PAGE>
 
               (e) The Company shall not be required to issue fractions of
shares of Common Stock or to distribute certificates which evidence fractional
shares of Common Stock. In lieu of such fractional shares of Common Stock, there
shall be paid to the registered holders of the Rights Certificates with regard
to which such fractional shares of Common Stock would otherwise be issuable, an
amount in cash equal to the same fraction of the current market value of a whole
share of Common Stock. For the purposes of this subsection (e), the current
market value of a whole share of Common Stock shall be the closing price of a
share of Common Stock (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, at any time after the
Distribution Date, (i) to pay any dividend payable in stock of any class to the
holders of Preferred Stock or to make any other distribution to the holders of
Preferred Stock (other than a regular quarterly cash dividend out of earnings or
retained earnings of the Company), or (ii) to offer to the holders of Preferred
Stock rights or warrants to subscribe for or to purchase any additional shares
of Preferred Stock or shares of stock of any class or any other securities,
rights or options, or (iii) to effect any reclassification of its Preferred
Stock (other than a reclassification involving only the subdivision of
outstanding shares of Preferred Stock), or (iv) to effect any consolidation or
merger into or with any other Person (other than a Subsidiary of the Company in
a transaction which complies with Section 11(o) hereof), or to effect any sale
or other transfer (or to permit one or more of its Subsidiaries to effect any
sale or other transfer), in one transaction or a series of related transactions,
of more than 50% of the assets, cash flow or earning power of the Company and
its Subsidiaries (taken as a whole) to any other Person or Persons (other than
the Company and/or any of its Subsidiaries in one or more transactions each of
which complies with Section 11(o) hereof), or (v) to effect the liquidation,
dissolution or winding up of the Company, then, in each such case, the Company
shall give to each holder of a Rights Certificate, to the extent feasible and in
accordance with Section 26 hereof, a notice of such 

                                       48
<PAGE>
 
proposed action, which shall specify the record date for the purposes of such
stock dividend, distribution of rights or warrants, or the date on which such
reclassification, consolidation, merger, sale, transfer, liquidation,
dissolution, or winding up is to take place and the date of participation
therein by the holders of the shares of Preferred Stock, if any such date is to
be fixed, and such notice shall be so given in the case of any action covered by
clause (i) or (ii) above at least twenty (20) days prior to the record date for
determining holders of the shares of Preferred Stock for purposes of such
action, and in the case of any such other action, at least twenty (20) days
prior to the date of the taking of such proposed action or the date of
participation therein by the holders of the shares of Preferred Stock whichever
shall be the earlier.

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

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


          Hawaiian Electric Industries, Inc.
          900 Richards Street
          Honolulu, Hawaii 96813
          Attention:  Corporate Secretary

                                       49
<PAGE>
 
Subject to the provisions of Section 21, any notice or demand authorized by this
Agreement to be given or made by the Company or by the holder of any Rights
Certificate to or on the Rights Agent shall be sufficiently given or made if
sent by first-class mail, postage prepaid, addressed (until another address is
filed in writing by the Rights Agent with the Company) as follows:


          Continental Stock Transfer & Trust Company
          2 Broadway
          New York, New York  10004
          Attention:  Compliance Department


          Notices or demands authorized by this Agreement to be given or made by
the Company or the Rights Agent to the holder of any Rights Certificate (or, if
prior to the Distribution Date, to the holder of certificates representing
shares of Common Stock) shall be sufficiently given or made if sent by first-
class mail, postage prepaid, addressed to such holder at the address of such
holder as shown on the registry books of the Company.

          Section 27.  Supplements and Amendments.  Prior to the Distribution
                       --------------------------                            
Date, the Company and the Rights Agent shall, if the Company so directs,
supplement or amend any provision of this Agreement without the approval of any
holders of certificates representing shares of Common Stock.  From and after the
Distribution Date, the Company and the Rights Agent shall, if the Company so
directs, supplement or amend this Agreement without the approval of any holders
of Rights Certificates in order (i) to cure any ambiguity, (ii) to correct or
supplement any provision contained herein which may be defective or inconsistent
with any other provisions herein, (iii) to shorten or lengthen any time period
hereunder or (iv) to change or supplement the provisions hereunder in any manner
which the Company may deem necessary or desirable and which shall not materially
adversely affect the interests of the holders of Rights Certificates (other than
an Acquiring Person or an Affiliate or Associate of an Acquiring Person);
provided, that from and after the Distribution Date, this Agreement may not be
- --------                                                                      
supplemented or amended to lengthen, pursuant to clause (iii) of this sentence,
(A) a time period relating to when the Rights may be redeemed at such time as
the Rights are not then redeemable, or (B) 

                                       50
<PAGE>
 
any other time period unless such lengthening is for the purpose of protecting,
enhancing or clarifying the rights of, and/or the benefits to, the holders of
Rights. Upon the delivery of a certificate from an appropriate officer of the
Company which states that the proposed supplement or amendment is in compliance
with the terms of this Section 27, the Rights Agent shall execute such
supplement or amendment, unless the Rights Agent shall have determined in good
faith that such supplement or amendment would increase its duties or obligations
or limit its rights or benefits under this Agreement. Prior to the Distribution
Date, the interests of the holders of Rights shall be deemed coincident with the
interests of the holders of Common Stock. Notwithstanding anything herein to the
contrary, this Agreement may not be amended at a time when the Rights are not
redeemable.

          Section 28.  Successors.  All the covenants and provisions of this
                       ----------                                           
Agreement by or for the benefit of the Company or the Rights Agent shall bind
and inure to the benefit of their respective successors and assigns hereunder.
 
          Section 29.  Determinations and Actions by the Board of Directors,
                       -----------------------------------------------------
etc.  For all purposes of this Agreement, any calculation of the number of
- ----                                                                      
shares of Common Stock outstanding at any particular time, including for
purposes of determining the particular percentage of such outstanding shares of
Common Stock of which any Person is the Beneficial Owner, shall be made in
accordance with the last sentence of Rule 13d-3(d)(1)(i) of the General Rules
and Regulations under the Exchange Act.  The Board of Directors of the Company
shall have the exclusive power and authority to administer this Agreement and to
exercise all rights and powers specifically granted to the Board or to the
Company, or as may be necessary or advisable in the administration of this
Agreement, including, without limitation, the right and power to (i) interpret
the provisions of this Agreement, and (ii) make all determinations deemed
necessary or advisable for the administration of this Agreement (including a
determination to redeem or not redeem the Rights or to amend the Agreement).
All such actions, calculations, interpretations and determinations (including,
for purposes of clause (y) below, all omissions with respect to the foregoing)
which are done or made by the Board in good faith, shall (x) be final,
conclusive and binding on 

                                       51
<PAGE>
 
the Company, the Rights Agent, the holders of the Rights and all other parties,
and (y) not subject the Board, or any of the directors on the Board, to any
liability to the holders of the Rights.

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

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

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

                                       52
<PAGE>
 

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

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

                                       53
<PAGE>
 
          IN WITNESS WHEREOF, the parties hereto have each caused this Agreement
to be executed by their respective duly authorized officers as of the date just
above written.



                    HAWAIIAN ELECTRIC INDUSTRIES, INC.


                    By: /s/ ROBERT F. CLARKE
                        --------------------
                        Robert F. Clarke
                        Its President


                    By: /s/ ROBERT F. MOUGEOT
                        ---------------------
                        Robert F. Mougeot
                        Its Financial Vice President


                    CONTINENTAL STOCK TRANSFER & TRUST
                    COMPANY


                    By: /s/ R. T. BERNHAMMER
                        --------------------
                        R. T. Bernhammer
                        Its Vice President

                                      54
<PAGE>
 

                                                                       EXHIBIT A
                                                                       ---------

Filing Fee - $50.00                          Domestic Profit
Dishonored Check - $15.00 Fee
Plus Interest Charges


                                STATE OF HAWAII
                  DEPARTMENT OF COMMERCE AND CONSUMER AFFAIRS
                        BUSINESS REGISTRATION DIVISION
                             1010 RICHARDS STREET
               MAILING ADDRESS: P.O. BOX 40, HONOLULU, HI  96810


  STATEMENT OF ISSUANCE OF SHARES OF PREFERRED OR  SPECIAL CLASSES IN SERIES
                   (SECTION 415-16, HAWAII REVISED STATUTES)



   The undersigned, duly authorized officers of the corporation submitting this
   Statement, certify as follows:

1.  The name of the corporation is:

                                   HAWAIIAN ELECTRIC INDUSTRIES, INC.
- --------------------------------------------------------------------------------

2. A copy of the resolution establishing and designing the series, and fixing
   and determining the relative rights and preferences of the new shares is
   attached.

3.  The resolution was adopted on:__________________________________________
                                     (Month       Day            Year)

4.  The resolution was adopted by the Board of Directors.


We certify under the penalties of Section 415-136, Hawaii Revised Statutes, that
we have read the above statements, and that the same are true and correct.

Witness our hands this _______ day of _______________________, 19____.



     Robert F. Clarke,                   Robert F. Mougeot,
     President                           Financial Vice President
- -------------------------------          ----------------------------------
     (Type/Print Name & Title)           (Type/Print Name & Title)

- -------------------------------          ----------------------------------
     (Signature of Officer)              (Signature of Officer)



                      (See Reverse Side For Instructions)


                                      A-1
<PAGE>
 
                     RESOLUTION OF THE BOARD OF DIRECTORS

                                      OF

                      HAWAIIAN ELECTRIC INDUSTRIES, INC.

                            Authorizing an Issue of
                 Series A Junior Participating Preferred Stock

                          Adopted - October 28, 1997
                          -------   ----------------
                                        


          WHEREAS, Hawaiian Electric Industries, Inc. (the "corporation") has an
authorized capital stock of one hundred million (100,000,000) shares of Common
Stock without par value and ten million (10,000,000) shares of Preferred Stock
without par value, of which 31,693,971 shares of Common Stock were issued and
outstanding as of September 30, 1997 and no shares of Preferred Stock were
issued and outstanding as of the date hereof; and

          WHEREAS, the corporation acting through its Board of Directors has
power under law and its Restated Articles of Incorporation, as amended, to issue
its authorized Preferred Stock in one or more series having such terms,
preferences, voting powers, restrictions and qualifications as shall be fixed in
the resolutions authorizing each such series; and

          WHEREAS, it is deemed advisable that the corporation authorize a
series of 500,000 shares of Preferred Stock, without par value, designated as
the corporation's Series A Junior Participating Preferred Stock and having the
preferences, voting powers, restrictions and qualifications thereof hereinafter
set forth.

          NOW, THEREFORE, BE IT RESOLVED, that pursuant to the authority vested
in the Board of Directors of this corporation in accordance with the provisions
of its Restated Articles of Incorporation, as amended, and by law, a series of
Preferred Stock of the corporation be and 

                                      A-2
<PAGE>
 
it hereby is created, and that the designation and amount thereof and the terms,
voting powers, preferences and relative, participating, optional and other
special rights of the shares of such series, and the qualifications, limitations
or restrictions thereof are as follows:

          Section 1.  Designation and Amount.  The shares of such series shall
                      ----------------------                                  
be designated as "Series A Junior Participating Preferred Stock" and the number
of shares constituting such series shall be 500,000.

          Section 2.  Dividends and Distributions.
                      --------------------------- 

          (A)  Subject to the prior and superior rights of the holders of any
shares of any series of Preferred Stock hereafter created which ranks prior and
superior to the shares of Series A Junior Participating Preferred Stock with
respect to dividends, the holders of shares of Series A Junior Participating
Preferred Stock shall be entitled to receive, when, as and if declared by the
Board of Directors out of funds legally available for the purpose, quarterly
dividends payable in cash on the tenth (10th) day of December, March, June and
September 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 Junior
Participating Preferred Stock, in an amount per share (rounded to the nearest
cent) equal to the greater of (a) $61.00 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 noncash 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,
of the corporation (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 Junior Participating Preferred Stock.  In the event the
corporation shall at any time after October 28, 1997 (the "Rights Declaration
Date") (i) declare any dividend on Common Stock payable in shares of Common
Stock,

                                      A-3
<PAGE>
 
(ii) subdivide the outstanding Common Stock, or (iii) combine the outstanding
Common Stock into a smaller number of shares, then in each such case the amount
to which holders of shares of Series A Junior Participating 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 Junior Participating Preferred Stock as provided in Paragraph (A) above
immediately after it declares a dividend or distribution on the Common Stock
(other than a dividend payable in shares of Common Stock); provided that, in the
event no dividend or distribution shall have been declared on the Common Stock
during the period between any Quarterly Dividend Payment Date and the next
subsequent Quarterly Dividend Payment Date, a dividend of $61.00 per share on
the Series A Junior Participating 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 Junior Participating Preferred Stock from the Quarterly
Dividend Payment Date next preceding the date of issue of such shares of Series
A Junior Participating Preferred Stock, unless the date of issue of such shares
is prior to the record date for the first Quarterly Dividend Payment Date, in
which case dividends on such shares shall begin to accrue from the date of issue
of such shares, or unless the date of issue is a Quarterly Dividend Payment Date
or is a date after the record date for the determination of holders of shares of
Series A Junior Participating Preferred Stock entitled to receive a quarterly
dividend and before such Quarterly Dividend Payment Date, in either of which
events such dividends shall begin to accrue and be cumulative from such
Quarterly Dividend Payment Date.  Accrued but unpaid dividends shall not bear
interest.  Dividends paid on the shares of Series A Junior Participating
Preferred Stock in an amount less than the total amount of such dividends at the
time accrued and 

                                      A-4
<PAGE>
 
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 Junior
Participating Preferred Stock entitled to receive payment of a dividend or
distribution declared thereon, which record date shall be no more than 30 days
prior to the date fixed for the payment thereof.

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

          (A)  Subject to the provision for adjustment hereinafter set forth,
each share of Series A Junior Participating Preferred Stock shall entitle the
holder thereof to 100 votes on all matters submitted to a vote of the
stockholders of the corporation.  In the event the corporation shall at any time
after the Rights Declaration Date (i) declare any dividend on Common Stock
payable in shares of Common Stock, (ii) subdivide the outstanding Common Stock,
or (iii) combine the outstanding Common Stock into a smaller number of shares,
then in each such case the number of votes per share to which holders of shares
of Series A Junior Participating Preferred Stock were entitled immediately prior
to such event shall be adjusted by multiplying such number by a fraction the
numerator of which is the number of shares of Common Stock outstanding
immediately after such event and the denominator of which is the number of
shares of Common Stock that were outstanding immediately prior to such event.

          (B)  Except as otherwise provided herein or by law, the holders of
shares of Series A Junior Participating Preferred Stock and the holders of
shares of Common Stock shall vote together as one class on all matters submitted
to a vote of stockholders of the corporation.

          (C)  (i)  If at any time dividends on any Series A Junior
Participating Preferred Stock shall be in arrears in an amount equal to six (6)
quarterly dividends thereon, the occurrence of such contingency shall mark the
beginning of a period (herein called a "default period") which shall extend
until such time when all accrued and unpaid dividends for all previous quarterly
dividend 

                                      A-5
<PAGE>
 
periods and for the current quarterly dividend period on all shares of Series A
Junior Participating Preferred Stock then outstanding shall have been declared
and paid or set apart for payment. During each default period, all holders of
Series A Junior Participating Preferred Stock with dividends in arrears in an
amount equal to six (6) quarterly dividends thereon, voting as a class together
with the holders of Preferred Stock who, by the terms thereof, are then entitled
to vote thereon, irrespective of series, shall have the right to elect two (2)
directors, which directors shall be in addition to the number of directors
otherwise then provided for. Such right to elect two directors is in addition to
the voting rights afforded holders of Series A Junior Participating Preferred
Stock set forth in Section 3(B) above.

          (ii)  During any default period, such voting right of the holders of
Series A Junior Participating Preferred Stock may be exercised initially at a
special meeting called pursuant to subparagraph (iii) of this Section 3(C) or at
any annual meeting of stockholders, and thereafter at annual meetings of
stockholders, provided that neither such voting right nor the right of the
holders of any other series of Preferred Stock, if any, to increase, in certain
cases, the authorized number of directors shall be exercised unless the holders
of ten percent (10%) in number of shares of Preferred Stock outstanding shall be
present in person or by proxy.  The absence of a quorum of the holders of Common
Stock shall not affect the exercise by the holders of Preferred Stock of such
voting right.  At any meeting at which the holders of Preferred Stock shall
exercise such voting right initially during an existing default period, they
shall have the right, voting as a class, to elect directors to fill such
vacancies, if any, in the Board of Directors as may then exist up to two (2)
directors or, if such right is exercised at an annual meeting, to elect two (2)
directors.  If the number which may be so elected at any special meeting does
not amount to the required number, the holders of the Preferred Stock shall have
the right to make such increase in the number of directors as shall be necessary
to permit the election by them of the required number.  After the holders of the
Preferred Stock shall have exercised their right to elect directors in any
default period and during the continuance of such period, the number of
directors shall not be 

                                      A-6
<PAGE>
 
increased or decreased except by vote of the holders of Preferred Stock as
herein provided or pursuant to the rights of any equity securities ranking
senior to or pari passu with the Series A Junior Participating Preferred Stock.
             ---- -----

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

          (iv)  In any default period, the holders of Common Stock, and other
classes of stock of the corporation if applicable, shall continue to be entitled
to elect the whole number of directors until the holders of Preferred Stock
shall have exercised their right to elect two (2) directors voting as a class,
after the exercise of which right (x) the directors so elected by the holders of
Preferred Stock shall continue in office until their successors shall have been
elected by such holders or until the expiration of the default period, and (y)
any vacancy in the Board of Directors may (except as provided in Paragraph
(C)(ii) of this Section 3) be filled 

                                      A-7
<PAGE>
 
by vote of a majority of the remaining directors theretofore elected by the
holders of the class of stock which elected the director whose office shall have
become vacant. References in this Paragraph (C) to directors elected by the
holders of a particular class of stock shall include directors elected by such
directors to fill vacancies as provided in clause (y) of the foregoing sentence.

          (v)  Immediately upon the expiration of a default period, (x) the
right of the holders of Preferred Stock as a class to elect directors shall
cease, (y) the term of any directors elected by the holders of Preferred Stock
as a class shall terminate, and (z) the number of directors shall be such number
as may be provided for in the certificate of incorporation or by-laws
irrespective of any increase made pursuant to the provisions of Paragraph
(C)(ii) of this Section 3 (such number being subject, however, to change
thereafter in any manner provided by law or in the certificate of incorporation
or by-laws).  Any vacancies in the Board of Directors effected by the provisions
of clauses (y) and (z) in the preceding sentence may be filled by a majority of
the remaining directors.

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

          Section 4.  Certain Restrictions.
                      -------------------- 

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


               (i)   declare or pay dividends on, make any other distributions
on, or redeem or purchase or otherwise acquire for consideration any shares of
stock

                                      A-8
<PAGE>
 
ranking junior (either as to dividends or upon liquidation, dissolution or
winding up) to the Series A Junior Participating Preferred Stock;

               (ii)  declare or pay dividends on or make any other distributions
on any shares of stock ranking on a parity (either as to dividends or upon
liquidation, dissolution or winding up) with the Series A Junior Participating
Preferred Stock, except dividends paid ratably on the Series A Junior
Participating 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 on a parity (either as to dividends or upon
liquidation, dissolution or winding up) with the Series A Junior Participating
Preferred Stock, provided that the corporation may at any time redeem, purchase
or otherwise acquire shares of any such parity stock in exchange for shares of
any stock of the corporation ranking junior (either as to dividends or upon
dissolution, liquidation or winding up) to the Series A Junior Participating
Preferred Stock; or

               (iv)  purchase or otherwise acquire for consideration any shares
of Series A Junior Participating Preferred Stock, or any shares of stock ranking
on a parity with the Series A Junior Participating 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.

                                     A-9
<PAGE>
 

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

          Section 5.  Reacquired Shares.  Any shares of Series A Junior
                      -----------------                                
Participating 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 to be created by resolution or resolutions of
the Board of Directors, subject to the conditions and restrictions on issuance
set forth herein.

          Section 6.  Liquidation, Dissolution or Winding Up.
                      -------------------------------------- 

          (A)  Upon any liquidation (voluntary or otherwise), dissolution or
winding up of the corporation, no distribution shall be made to the holders of
shares of stock ranking junior (either as to dividends or upon liquidation,
dissolution or winding up) to the Series A Junior Participating Preferred Stock
unless, prior thereto, the holders of shares of Series A Junior Participating
Preferred Stock shall have received an amount equal to $100 per share of Series
A Junior Participating Preferred Stock, plus an amount equal to accrued and
unpaid dividends and distributions thereon, whether or not declared, to the date
of such payment (the "Series A Liquidation Preference").  Following the payment
of the full amount of the Series A Liquidation Preference, no additional
distributions shall be made to the holders of shares of Series A Junior
Participating Preferred Stock unless, prior thereto, the holders of shares of
Common Stock shall have received an amount per share (the "Common Adjustment")
equal to the quotient obtained by dividing (i) the Series A Liquidation
Preference by (ii) 100 (as appropriately adjusted as set forth in subparagraph
(C) below to reflect such events as stock splits, stock dividends and
recapitalizations with respect to the Common Stock) (such number in clause (ii),
the "Adjustment Number").  Following the payment of the full amount of the

                                     A-10
<PAGE>
 
Series A Liquidation Preference and the Common Adjustment in respect of all
outstanding shares of Series A Junior Participating Preferred Stock and Common
Stock, respectively (together with payment of the full amounts due in respect of
any series of Preferred Stock which ranks on a parity with the Series A Junior
Participating Preferred Stock), and without limitation on the amounts due to any
holders of any series of Preferred Stock which ranks on a parity with the Series
A Junior Participating Preferred Stock, holders of Series A Junior Participating
Preferred Stock and holders of shares of Common Stock shall receive their
ratable and proportionate share of the remaining assets to be distributed in the
ratio of the Adjustment Number to 1 with respect to such Preferred Stock and
Common Stock, on a per share basis, respectively.

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

          (C)  In the event the corporation shall at any time after the Rights
Declaration Date (i) declare any dividend on Common Stock payable in shares of
Common Stock, (ii) subdivide the outstanding Common Stock, or (iii) combine the
outstanding Common Stock into a smaller number of shares, then in each such case
the Adjustment Number in effect immediately prior to such event shall be
adjusted by multiplying such Adjustment Number by a fraction the numerator of
which is the number of shares of Common Stock outstanding immediately after such
event and the denominator of which is the number of shares of Common Stock that
were outstanding immediately prior to such event.

                                     A-11
<PAGE>
 
          Section 7.  Consolidation, Merger, etc.  In case the corporation shall
                      --------------------------                                
enter into any consolidation, merger, combination or other transaction in which
the shares of Common Stock are exchanged for or changed into other stock or
securities, cash and/or any other property, then in any such case the shares of
Series A Junior Participating Preferred Stock shall at the same time be
similarly exchanged or changed in an amount per share (subject to the provision
for adjustment hereinafter set forth) equal to 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 after the Rights
Declaration Date (i) declare any dividend on Common Stock payable in shares of
Common Stock, (ii) subdivide the outstanding Common Stock, or (iii) combine the
outstanding Common Stock into a smaller number of shares, then in each such case
the amount set forth in the preceding sentence with respect to the exchange or
change of shares of Series A Junior Participating Preferred Stock shall be
adjusted by multiplying such amount by a fraction the numerator of which is the
number of shares of Common Stock outstanding immediately after such event and
the denominator of which is the number of shares of Common Stock that were
outstanding immediately prior to such event.

          Section 8.  No Redemption.  The shares of Series A Junior
                      -------------                                
Participating Preferred Stock shall not be redeemable.

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

          Section 10.  Amendment.  At any time when any shares of Series A
                       ---------                                          
Junior Participating Preferred Stock are outstanding, neither the Restated
Articles of Incorporation of the corporation nor the Statement of Issuance of
Shares of Preferred or Special Classes in Series shall be amended in any manner
which would materially alter or change the powers, preferences or special rights
of the Series A Junior Participating 

                                     A-12
<PAGE>
 
Preferred Stock so as to affect them adversely without the affirmative vote of
the holders of a majority or more of the outstanding shares of Series A Junior
Participating Preferred Stock, voting separately as a class.

          Section 11.  Fractional Shares.  Series A Junior Participating
                       -----------------                                
Preferred Stock may be issued in fractions of a share which are integral
multiples of one one-hundredth of a share of Preferred Stock, which shall
entitle the holder, in proportion to such holder's fractional shares, to
exercise voting rights, receive dividends, participate in distributions and to
have the benefit of all other rights of holders of Series A Junior Participating
Preferred Stock.

          FURTHER RESOLVED, that any two officers of the corporation be, and
they hereby are, authorized and directed to execute and file with the Department
of Commerce and Consumer Affairs of the State of Hawaii a "Statement of Issuance
of Shares of Preferred or Special Classes in Series," to which this resolution
shall be annexed.

                                      A-13
<PAGE>
 
                                                                       EXHIBIT B
                                                                       ---------

                         [Form of Rights Certificate]


Certificate No. R-                                               ________ Rights


NOT EXERCISABLE AFTER NOVEMBER 1, 2007 (UNLESS EXTENDED PRIOR THERETO BY THE
BOARD OF DIRECTORS) OR EARLIER IF REDEEMED BY THE COMPANY.  THE RIGHTS ARE
SUBJECT TO REDEMPTION, AT THE OPTION OF THE COMPANY, AT $.01 PER RIGHT ON THE
TERMS SET FORTH IN THE RIGHTS AGREEMENT.  UNDER CERTAIN CIRCUMSTANCES, RIGHTS
BENEFICIALLY OWNED BY AN ACQUIRING PERSON (AS SUCH TERM IS DEFINED IN THE RIGHTS
AGREEMENT) AND BY ANY SUBSEQUENT HOLDER OF SUCH RIGHTS MAY BECOME NULL AND VOID.
[THE RIGHTS REPRESENTED BY THIS RIGHTS CERTIFICATE ARE OR WERE BENEFICIALLY
OWNED BY A PERSON WHO WAS OR BECAME AN ACQUIRING PERSON OR AN AFFILIATE OR
ASSOCIATE OF AN ACQUIRING PERSON (AS SUCH TERMS ARE DEFINED IN THE RIGHTS
AGREEMENT).  ACCORDINGLY, THIS RIGHTS CERTIFICATE AND THE RIGHTS REPRESENTED
HEREBY MAY BECOME NULL AND VOID IN THE CIRCUMSTANCES SPECIFIED IN SECTION 7(e)
OF SUCH AGREEMENT.]*



                              Rights Certificate

                      HAWAIIAN ELECTRIC INDUSTRIES, INC.


          This certifies that                      , or registered assigns, is
the registered owner of the number of Rights set forth above, each of which
entitles the owner thereof, subject to the terms, provisions and conditions of
the Rights Agreement, dated as of October 28, 1997 (the "Rights Agreement"),
between Hawaiian Electric Industries, Inc., a Hawaii corporation (the
"Company"), and Continental Stock Transfer & Trust 


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

                                      B-1
<PAGE>
 
Company, a New York banking corporation (the "Rights Agent"), to purchase from
the Company at any time prior to 5:00 P.M. (Hawaii time) on November 1, 2007
(unless such date is extended prior thereto by the Board of Directors) at the
office or offices of the Rights Agent designated for such purpose, or its
successors as Rights Agent, one one-hundredth of a fully paid, non-assessable
share of Series A Junior Participating Preferred Stock (the "Preferred Stock")
of the Company, at a purchase price of $112.00 per one one-hundredth of a share
(the "Purchase Price"), upon presentation and surrender of this Rights
Certificate with the Form of Election to Purchase and related Certificate duly
executed. The number of Rights evidenced by this Rights Certificate (and the
number of shares which may be purchased upon exercise thereof) set forth above,
and the Purchase Price per share set forth above, are the number and Purchase
Price as of October 28, 1997, based on the Preferred Stock as constituted at
such date. The Company reserves the right to require prior to the occurrence of
a Triggering Event (as such term is defined in the Rights Agreement) that a
number of Rights be exercised so that only whole shares of Preferred Stock will
be issued.

          Upon the occurrence of a Section 11(a)(ii) Event (as such term is
defined in the Rights Agreement), if the Rights evidenced by this Rights
Certificate are beneficially owned by (i) an Acquiring Person or an Affiliate or
Associate of any such Acquiring Person (as such terms are defined in the Rights
Agreement), (ii) a transferee of any such Acquiring Person, Associate or
Affiliate, or (iii) under certain circumstances specified in the Rights
Agreement, a transferee of a person who, after such transfer, became an
Acquiring Person, or an Affiliate or Associate of an Acquiring Person, such
Rights shall become null and void and no holder hereof shall have any right with
respect to such Rights from and after the occurrence of such Section 11(a)(ii)
Event.

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

                                      B-2
<PAGE>
 
          This Rights Certificate is subject to all of the terms, provisions and
conditions of the Rights Agreement, as the Rights Agreement may be amended from
time to time in accordance with its terms, which terms, provisions and
conditions are hereby incorporated herein by reference and made a part hereof
and to which Rights Agreement reference is hereby made for a full description of
the rights, limitations of rights, obligations, duties and immunities hereunder
of the Rights Agent, the Company and the holders of the Rights Certificates,
which limitations of rights include the temporary suspension of the
exercisability of such Rights under the specific circumstances set forth in the
Rights Agreement.  Copies of the Rights Agreement are on file at the above-
mentioned office of the Rights Agent and are also available upon written request
to the Company.

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

          Subject to the provisions of the Rights Agreement, the Rights
evidenced by this Certificate may be redeemed by the Company at its option at a
redemption price of $.01 per Right at any time prior to the earlier of the close
of business on (i) the tenth Business Day following the Stock Acquisition Date
(as such time period may be extended pursuant to the Rights Agreement), and (ii)
the Final Expiration Date.  The foregoing notwithstanding, the Rights generally
may not be redeemed for one hundred twenty (120) days following a change in a
majority of the Board as a result of a proxy contest. In addition, under certain
circumstances following the Stock Acquisition Date, the Rights may be exchanged,
in whole or 

                                      B-3
<PAGE>
 
in part, for shares of the Common Stock, or shares of preferred stock of the
Company having essentially the same value or economic rights as such shares.
Immediately upon the action of the Board of Directors of the Company authorizing
any such exchange, and without any further action or any notice, the Rights
(other than Rights which are not subject to such exchange) will terminate and
the Rights will only enable holders to receive the shares issuable upon such
exchange.

          No fractional shares of Preferred Stock will be issued upon the
exercise of any Right or Rights evidenced hereby (other than fractions which are
integral multiples of one one-hundredth of a share of Preferred Stock, which
may, at the election of the Company, be evidenced by depositary receipts), but
in lieu thereof a cash payment will be made, as provided in the Rights
Agreement. The Company, at its election, may request that a number of Rights be
exercised so that only whole shares of Preferred Stock will be issued.

          No holder of this Rights Certificate shall be entitled to vote or
receive dividends or be deemed for any purpose the holder of shares of Preferred
Stock 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 stockholder of the Company or any right to vote for the
election of directors or upon any matter submitted to stockholders at any
meeting thereof, or to give consent to or withhold consent from any corporate
action, or, to receive notice of meetings or other actions affecting
stockholders (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.

                                      B-4
<PAGE>
 
          This Rights Certificate shall not be valid or obligatory for any
purpose until it shall have been countersigned by the Rights Agent.

          WITNESS the facsimile signatures of the proper officers of the Company
and its corporate seal.
Dated as of _________ __, ____



ATTEST:                        HAWAIIAN ELECTRIC
                               INDUSTRIES, INC.


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


Countersigned:

CONTINENTAL STOCK TRANSFER &
TRUST COMPANY


By _________________________
   Authorized Signature

                                      B-5
<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 transfers unto ____________________________________
 
                 (Please print name and address of transferee)

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

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

Dated: __________________, _____


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


Signature Guaranteed:


                                  Certificate
                                  -----------

          The undersigned hereby certifies by checking the appropriate boxes
that:

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

                                      B-6
<PAGE>
 
          (2)  after due inquiry and to the best knowledge of the undersigned,
it [ ] did [ ] did not acquire the Rights evidenced by this Rights Certificate
from any Person who is, was or subsequently became an Acquiring Person or an
Affiliate or Associate of an Acquiring Person.



Dated: _______________, ____        ___________________________
                                    Signature

Signature Guaranteed:

                                      B-7
<PAGE>
 
                                     NOTICE
                                     ------


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

                                      B-8
<PAGE>
 
                         FORM OF ELECTION TO PURCHASE
                         ----------------------------

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

To:  HAWAIIAN ELECTRIC INDUSTRIES, INC.:

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

Please insert social security
or other identifying number

- ------------------------------------------------------------------------------- 
                              (Please print name and address)
 
- ------------------------------------------------------------------------------- 

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


Please insert social security
or other identifying number

- ------------------------------------------------------------------------------- 
                        (Please print name and address)

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

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

Dated:  _______________, ____

                              _____________________________________
                              Signature
Signature Guaranteed:


                                  Certificate
                                  -----------


                                     B-9
<PAGE>
 
          The undersigned hereby certifies by checking the appropriate boxes
that:

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

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



Dated: ______________, ____          ___________________________________
                                                  Signature



Signature Guaranteed:

                                     B-10
<PAGE>
 
                                     NOTICE
                                     ------


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

                                     B-11
<PAGE>
 
                                                                       EXHIBIT C
                                                                       ---------



                         SUMMARY OF RIGHTS TO PURCHASE

                 SERIES A JUNIOR PARTICIPATING PREFERRED STOCK


          On October 28, 1997, the Board of Directors of Hawaiian Electric
Industries, Inc. (the "Company") declared a dividend distribution of one Right
for each outstanding share of Company Common Stock to stockholders of record at
the close of business on November 10, 1997 (the "Record Date").  If and when the
Rights become exercisable in the circumstances described below, each Right will
entitle the registered holder to purchase from the Company a unit consisting of
one one-hundredth of a share (a "Unit") of Series A Junior Participating
Preferred Stock, no par value (the "Series A Preferred Stock") at a Purchase
Price of $112 per Unit, subject to adjustment.  The description and terms of the
Rights are set forth in a Rights Agreement (the "Rights Agreement") between the
Company and Continental Stock Transfer & Trust Company, as Rights Agent.

          Initially, the Rights will be attached to all Common Stock
certificates representing shares then outstanding, and no separate Rights
Certificates will be distributed.  Subject to certain exceptions specified in
the Rights Agreement, the Rights will separate from the Common Stock and a
"Distribution Date" will occur upon the earlier of (i) 10 business days
following a public announcement that a person or group of affiliated or
associated persons (an "Acquiring Person") has acquired beneficial ownership of
15% or more of the outstanding shares of Company Common Stock (the "Stock
Acquisition Date"), other than as a result of repurchases of stock by the
Company or certain inadvertent actions by institutional or certain other
stockholders or (ii) 10 business days (or such later date as the Board shall
determine) following the commencement of a tender offer or exchange offer that
would result in a person or group becoming an Acquiring Person.  Until the
Distribution Date, (i) the Rights will be evidenced by the Common Stock

                                      C-1
<PAGE>
 
certificates and will be transferred with and only with such Common Stock
certificates, (ii) new Common Stock certificates issued after the Record Date
will contain a notation incorporating the Rights Agreement by reference and
(iii) the surrender for transfer of any certificates for Common Stock
outstanding will also constitute the transfer of the Rights associated with the
Common Stock represented by such certificate.  Pursuant to the Rights Agreement,
the Company reserves the right to require prior to the occurrence of a
Triggering Event (as defined below) that, upon any exercise of Rights, a number
of Rights be exercised so that only whole shares of Preferred Stock will be
issued.

          The Rights are not exercisable until the Distribution Date and will
expire at 5:00 P.M. (Hawaii time) on November 1, 2007, unless such date is
extended or the Rights are earlier redeemed or exchanged by the Company as
described below.

          As soon as practicable after the Distribution Date, Rights
Certificates will be mailed to holders of record of the Common Stock as of the
close of business on the Distribution Date and, thereafter, the separate Rights
Certificates alone will represent the Rights.  Except as otherwise determined by
the Board of Directors, only shares of Common Stock issued prior to the
Distribution Date will be issued with Rights.

          In the event that a Person becomes an Acquiring Person, each holder of
a Right will thereafter have the right to receive, upon exercise, Common Stock
(or, in certain circumstances, cash, property or other securities of the
Company) having a value equal to two times the exercise price of the Right.
Notwithstanding any of the foregoing, following the occurrence of the event set
forth in this paragraph, all Rights that are, or (under certain circumstances
specified in the Rights Agreement) were, beneficially owned by any Acquiring
Person will be null and void.  However, Rights are not exercisable following the
occurrence of the event set forth above until such time as the Rights are no
longer redeemable by the Company as set forth below.

                                      C-2
<PAGE>
 
          For example, at an exercise price of $112 per Right, each Right not
owned by an Acquiring Person (or by certain related parties) following an event
set forth in the preceding paragraph would entitle its holder to purchase $224
worth of Common Stock (or other consideration, as noted above) for $112.
Assuming that the Common Stock had a per share value of $56 at such time, the
holder of each valid Right would be entitled to purchase four shares of Common
Stock for $112.

          In the event that, at any time following the Stock Acquisition Date,
(i) the Company engages in a merger or other business combination transaction in
which the Company is not the surviving corporation, (ii) the Company engages in
a merger or other business combination transaction in which the Company is the
surviving corporation and the Common Stock of the Company is changed or
exchanged, or (iii) 50% or more of the Company's assets, cash flow or earning
power is sold or transferred, each holder of a Right (except Rights which have
previously been voided as set forth above) shall thereafter have the right to
receive, upon exercise, common stock of the acquiring company having a value
equal to two times the exercise price of the Right.  The events set forth in
this paragraph and in the second preceding paragraph are referred to as the
"Triggering Events."

          At any time after a person becomes an Acquiring Person and prior to
the acquisition by such person or group of fifty percent (50%) or more of the
outstanding Common Stock, the Board may exchange the Rights (other than Rights
owned by such person or group which have become void), in whole or in part, at
an exchange ratio of one share of Common Stock, or one one-hundredth of a share
of Preferred Stock (or of a share of a class or series of the Company's
preferred stock having equivalent rights, preferences and privileges), per Right
(subject to adjustment).

          At any time until ten business days following the Stock Acquisition
Date, the Company may redeem the Rights in whole, but not in part, at a price of
$.01 per Right (payable in cash, Common Stock or other consideration deemed
appropriate by the Board of Directors).  Immediately upon the action of the
Board of 

                                      C-3
<PAGE>
 
Directors ordering redemption of the Rights, the Rights will terminate and the
only right of the holders of Rights will be to receive the $.01 per Right
redemption price. The foregoing notwithstanding, the Rights generally may not be
redeemed for one hundred twenty (120) days following a change in a majority of
the Board of Directors as a result of a proxy contest.

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

          Any of the provisions of the Rights Agreement may be amended by the
Board of Directors of the Company prior to the Distribution Date without the
approval of the holders of Company Common Stock.  After the Distribution Date,
the provisions of the Rights Agreement may be amended by the Board without the
approval of the holders of Rights Certificates in order to cure any ambiguity,
to make changes which do not materially adversely affect the interests of
holders of Rights, to correct any defective or inconsistent provision or to
shorten or lengthen (with certain exceptions) any time period under the Rights
Agreement.  The foregoing notwithstanding, no amendment may be made at such time
as the Rights are not redeemable.

          A copy of the Rights Agreement is being filed with the Securities and
Exchange Commission as an Exhibit to a Registration Statement on Form 8-A and as
an exhibit to the Quarterly Report on Form 10-Q for the quarter ended September
30, 1997.  A copy of the Rights Agreement is available free of charge from the
Company.  This summary description of the Rights does not purport to be complete
and is qualified in its entirety by reference to the Rights Agreement, which is
incorporated herein by reference.

                                      C-4


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