NEWBRIDGE PARENT CORP
8-A12G, 1998-11-20
AIR TRANSPORTATION, SCHEDULED
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                       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


                         Northwest Airlines Corporation
- -------------------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)



        Delaware                                          41-1905580        
- ----------------------------------------              -------------------
(State of incorporation or organization)              (I.R.S. Employer
                                                      Identification No.)

        2700 Lone Oak Parkway
        Eagan, Minnesota                                  55121
- ----------------------------------------              -------------------
(Address of principal executive offices)               (Zip Code)


       Securities to be registered pursuant to Section 12(b) of the Act:
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                                     (None)

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


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

Preferred Share Purchase Rights                   Nasdaq Stock Market


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Item 1.  Description of Registrant's Securities to be Registered

         On November 20, 1998, the Board of Directors of Northwest Airlines
Corporation, a Delaware corporation (formerly Newbridge Parent Corporation, the
"Company") authorized and declared a dividend of one preferred share purchase
right (a "Right") for each outstanding share of Common Stock, par value $.01 per
share, of the Company (the "Common Shares"). The dividend is payable to
stockholders of record as of the time of filing of the Amended and Restated
Agreement and Plan of Merger, dated as of October 30, 1998, among Northwest
Airlines Holdings Corporation, a Delaware corporation (formerly Northwest
Airlines Corporation), the Company and Newbridge Merger Corporation, a Delaware
corporation, with the Secretary of State of the State of Delaware (the "Record
Date"). Each Right entitles the registered holder to purchase from the Company
one one-hundredth of a share of Series D Junior Participating Preferred Stock,
par value $.01 per share (the "Preferred Stock") of the Company at a price of
$150 per one one-hundredth of a share of Preferred Stock (as the same may be
adjusted, the "Purchase Price"). The description and terms of the Rights are set
forth in a Rights Agreement dated as of November 20, 1998, as the same may be
amended from time to time (the "Rights Agreement"), between the Company and
Norwest Bank Minnesota, N.A., as Rights Agent (the "Rights Agent").

         Until the earlier to occur of (i) 10 days following a public 
announcement that a person or group of affiliated or associated persons (an 
"Acquiring Person") have acquired beneficial ownership of a number of Common 
Shares equal to 19% or more (25% or more in the case of certain Institutional 
Investors (as such term is defined in the Rights Agreement)) of the sum of 
(a) the Common Shares then issued and outstanding, (b) all Common Shares 
issuable upon conversion of all the shares of Series C Preferred Stock, par 
value $.01 per share ("Series C Preferred Stock"), then issued and 
outstanding, (c) all Common Shares issuable upon the exercise of all employee 
stock options issued and outstanding as of November 16, 1995 and (d) any 
other Common Shares not then actually issued and outstanding but which such 
Person would be deemed to beneficially own under the Rights Agreement 
(together, the "outstanding Common Shares"); provided, however, that if a 
Person would be deemed an Acquiring Person upon the adoption of the Rights 
Agreement, such Person will not be deemed an "Acquiring Person" for any 
purposes of the Rights Agreement unless and until such Person acquires 
beneficial ownership of any additional Common Shares after the date of the 
adoption of the Rights Agreement unless upon the consummation of the 
acquisition of such additional Common Shares such Person does not 
beneficially own a number of Common Shares equal to 19% or more (25% or more 
in the case of certain Institutional Investors) of the outstanding Common 
Shares or (ii) 10 business days (or such later date as may be determined by 
action of the Board of Directors prior to such time as any person or group of 
affiliated 

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persons becomes an Acquiring Person) following the commencement of, or
announcement of an intention to make, a tender offer or exchange offer the
consummation of which would result in the beneficial ownership by a person or
group of a number of Common Shares equal to 19% or more (25% or more in the case
of certain Institutional Investors) of the number of outstanding Common Shares
(the earlier of such dates being called the "Distribution Date"), the Rights
will be evidenced, with respect to any of the Common Share certificates
outstanding as of the Record Date, by such Common Share certificate together
with a copy of the Summary of Rights distributed to each holder of Common Shares
(the "Summary of Rights").

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

         The Rights are not exercisable until the Distribution Date. The Rights
will expire on November 16, 2005 (the "Final Expiration Date"), unless the Final
Expiration Date is extended or unless the Rights are earlier redeemed or
exchanged by the Company, in each case as described below.

         The Purchase Price payable, and the number of shares 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) upon the grant to holders of the Preferred Stock of
certain rights or warrants to subscribe for or purchase Preferred Stock at a
price, or securities convertible into Preferred Stock with a conversion price,
less than the then-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 periodic cash dividends or dividends payable in
Preferred Stock) or of 

                                       2
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subscription rights or warrants (other than those referred to above).

         The number of outstanding Rights are also subject to adjustment in the
event of a stock split of the Common Shares or a stock dividend on the Common
Shares payable in Common Shares or subdivisions, consolidations or combinations
of the Common Shares occurring, in any such case, prior to the Distribution
Date.

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

         In the event that any person or group of affiliated or associated
persons becomes an Acquiring Person, each holder of a Right, other than Rights
beneficially owned by the Acquiring Person (which will thereupon become void),
will thereafter have the right to receive upon exercise of a Right at the then
current exercise price of the Right, that number of Common Shares (or one
one-hundredths of a share of Preferred Stock) having a market value of two times
the exercise price of the Right.

         In the event that, after a person or group has become an Acquiring
Person, the Company is acquired in a merger or other business combination
transaction or 50% or more of its consolidated assets or earning power are sold,
proper provision will be made so that each holder of a Right (other than Rights
beneficially owned by an Acquiring Person which will have become void) will
thereafter have the right to receive, upon the exercise thereof at the then
current exercise price of the Right, that number of shares of common stock of
the person with whom the Company has engaged in the foregoing transaction (or
its parent), which number of shares at the time of such transaction will have a
market value of two times the exercise price of the Right.

         At any time after any person or group becomes an Acquiring Person and
prior to the acquisition by such person or group of beneficial ownership of a
number of Common Shares equal to 50% or more of the number of outstanding Common
Shares, the 

                                        3
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Board of Directors of the Company may exchange the Rights (other than Rights
owned by such person or group which will have become void), in whole or in part,
at an exchange ratio of one Common Share, 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).

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

         At any time prior to the time an Acquiring Person becomes such, the
Board of Directors of the Company may redeem the Rights in whole, but not in
part, at a price of $.01 per Right (the "Redemption Price"). Immediately upon
any redemption of the Rights, the right to exercise the Rights will terminate
and the only right of the holders of Rights will be to receive the Redemption
Price.

         For so long as the Rights are then redeemable, the Company may amend
the Rights in any manner, except that it may not decrease the redemption price.
After the Rights are no longer redeemable the Company may, except with respect
to the Redemption Price, amend the Rights in any manner that does not adversely
affect the interests of holders of the Rights.

         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.

Item 2.   Exhibits.


1.    Rights Agreement, dated as of November 20, 1998, between the Company and
      Norwest Bank Minnesota, N.A. which includes the Certificate of
      Designations for the Series D Junior Participating Preferred Stock as
      Exhibit A, the form of Right Certificate as Exhibit B and the Summary of
      Rights to Purchase Preferred Shares as Exhibit C.


                                    SIGNATURE

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         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.


                                     NORTHWEST AIRLINES CORPORATION


DATED: November 20, 1998             By: /s/ Douglas M. Steenland
                                         ---------------------------------
                                         Name:  Douglas M. Steenland
                                         Title: Executive Vice
                                                President, General
                                                Counsel and Secretary

                                       5

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                                  EXHIBIT INDEX


<TABLE>
<CAPTION>

Exhibit No.                               Description
- -----------                               -----------
<S>                 <C>
    1               Rights Agreement, dated as of November 20, 1998, between the
                    Company and Norwest Bank Minnesota, N.A. which includes the
                    Certificate of Designations for the Series D Junior
                    Participating Preferred Stock as Exhibit A, the form of
                    Right Certificate as Exhibit B and the Summary of Rights to
                    Purchase Preferred Shares as Exhibit C.

</TABLE>






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                                                                       Exhibit 1


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                         NORTHWEST AIRLINES CORPORATION
                     (formerly Newbridge Parent Corporation)
                                       and
                          NORWEST BANK MINNESOTA, N.A.,

                                 as Rights Agent
                                Rights Agreement
                          Dated as of November 20, 1998


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                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                               Page
                                                                                                               ----
<S>                                                                                                            <C>
Section 1.  Certain Definitions...................................................................................2

Section 2.  Appointment of Rights Agent..........................................................................11

Section 3.  Issue of Right Certificates..........................................................................11

Section 4.  Form of Right Certificates...........................................................................14

Section 5.  Countersignature and Registration....................................................................14

Section 6.  Transfer, Split Up, Combination and Exchange of Right Certificates; Mutilated,
      Destroyed, Lost or Stolen Right Certificates...............................................................15

Section 7.  Exercise of Rights, Purchase Price; Expiration Date of Rights........................................16

Section 8.  Cancellation and Destruction of Right Certificates...................................................19

Section 9.  Availability of Shares of Preferred Stock............................................................19

Section 10.  Preferred Stock Record Date.........................................................................21

Section 11.  Adjustment of Purchase Price, Number of Shares and Number of Rights.................................22

Section 12.  Certificate of Adjusted Purchase Price or Number of Shares..........................................37

Section 13.  Consolidation, Merger or Sale or Transfer of Assets or Earnings Power...............................37

Section 14.  Fractional Rights and Fractional Shares.............................................................43

Section 15.  Rights of Action....................................................................................45

Section 16.  Agreement of Right Holders..........................................................................46

Section 17.  Right Certificate Holder Not Deemed a Stockholder...................................................46

Section 18.  Concerning the Rights Agent.........................................................................47

Section 19.  Merger or Consolidation or Change of Name of Rights Agent...........................................48

Section 20.  Duties of Rights Agent..............................................................................49

Section 21.  Change of Rights Agent..............................................................................52

Section 22.  Issuance of New Right Certificates..................................................................54

</TABLE>

                                      - i -

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<TABLE>
<CAPTION>

                                                                                                                Page
                                                                                                                ----

<S>                                                                                                              <C>
Section 23.  Redemption..........................................................................................54

Section 24.  Exchange............................................................................................55

Section 25.  Notice of Certain Events............................................................................57

Section 26.  Notices.............................................................................................59

Section 27.  Supplements and Amendments..........................................................................59

Section 28.  Successors..........................................................................................60

Section 29.  Benefits of this Agreement..........................................................................60

Section 30.  Severability........................................................................................61

Section 31.  Governing Law.......................................................................................61

Section 32.  Counterparts........................................................................................61

Section 33.  Descriptive Headings................................................................................61

</TABLE>


                                     - ii -
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                                RIGHTS AGREEMENT


                  Agreement, dated as of November 20, 1998, between Northwest
Airlines Corporation (formerly Newbridge Parent Corporation), a Delaware
corporation (the "Company"), and Norwest Bank Minnesota, N.A., a New York
corporation (the "Rights Agent").

                              W I T N E S S E T H:
 
         WHEREAS, on November 16, 1995, Northwest Airlines Holdings Corporation
(formerly Northwest Airlines Corporation), a Delaware corporation ("Old
Northwest"), and the Rights Agent entered into a Rights Agreement (the "Rights
Agreement") providing for the issuance of preferred stock purchase rights having
the terms set forth therein to the holders of record of common stock of Old
Northwest;

         WHEREAS, on June 25, 1998, Old Northwest and the Rights Agent amended
and restated the Rights Agreement to reflect the consummation by Old Northwest
of certain corporate transactions;

         WHEREAS, pursuant to an Amended and Restated Agreement and Plan of
Merger, dated as of October 30, 1998 (the "Amended and Restated Merger
Agreement"), among the Company, Old Northwest and Newbridge Merger Corporation,
a Delaware corporation and a wholly-owned subsidiary of the Company ("Merger
Sub"), effective as of the date hereof, Merger Sub has merged with and into Old
Northwest (the "Merger"), with the effect that Old Northwest has become a
wholly-owned subsidiary of the Company;

         WHEREAS, the Boards of Directors of the Company and Old Northwest
desire that the holders of Common Shares (as hereinafter defined) have the same
rights and privileges as the holders of common stock of Old Northwest; and




<PAGE>


         WHEREAS, the Board of Directors of the Company has authorized and
declared a dividend of one preferred share purchase right (a "Right") for each
share of Common Stock of the Company outstanding as of the Effective Time of the
Merger (as hereinafter defined) (the "Record Date"), it being understood that
the Common Shares issued in the Merger and pursuant to the Investment Agreement
(as hereinafter defined) are deemed to be outstanding as of the Effective Time
of the Merger, each Right representing the right to purchase one one-hundredth
(subject to adjustment) of a share of Preferred Stock (as hereinafter defined),
upon the terms and subject to the conditions herein set forth, and has further
authorized and directed the issuance of one Right (subject to adjustment as
provided herein) with respect to each share of Common Stock that shall become
outstanding between the Record Date and the earliest of the Distribution Date,
the Redemption Date and the Final Expiration Date (as such terms are hereinafter
defined); provided, however, that Rights may be issued with respect to Common
Shares that shall become outstanding after the Distribution Date and prior to
the Redemption Date and the Final Expiration Date in accordance with Section 22.

         Accordingly, 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 meaning indicated:

                  (a) "Acquiring Person" shall mean any Person (as such term is
         hereinafter defined) who or which shall be the Beneficial Owner (as
         such term is hereinafter defined) of a number of Common Shares equal to
         19% or more of the number of Common Shares (as such term is hereinafter
         defined) then outstanding (or, if such Person is an Institutional
         Investor (as such term is hereinafter defined), 25% or more of the
         Common

                                       2


<PAGE>






         Shares then outstanding), but shall not include an Exempt Person (as
         such term is hereinafter defined); provided, however, that if the Board
         of Directors of the Company determines in good faith that a Person who
         would otherwise be an "Acquiring Person" has become such inadvertently
         (including, without limitation, because (i) such Person was unaware
         that it beneficially owned a number of Common Shares that would
         otherwise cause such Person to be a "Acquiring Person" or (ii) such
         Person was aware of the extent of its Beneficial Ownership of Common
         Shares but had no actual knowledge of the consequences of such
         Beneficial Ownership under this Rights Agreement) and without any
         intention of changing or influencing control of the Company, and such
         Person, as promptly as practicable divested or divests himself or
         itself of Beneficial Ownership of a sufficient number of Common Shares
         so that such Person would no longer be an Acquiring Person, then such
         Person shall not be deemed to be or to have become an "Acquiring
         Person" for any purposes of this Agreement. Notwithstanding the
         foregoing, (i) if a Person would otherwise be deemed an Acquiring
         Person upon the adoption of this Agreement, such Person will not be
         deemed an Acquiring Person for any purposes of this Agreement unless
         and until such Person acquires Beneficial Ownership of any additional
         Common Shares after the adoption of this Agreement, unless upon the
         consummation of the acquisition of such additional Common Shares such
         Person does not beneficially own a number of Common Shares equal to 19%
         or more (25% or more in the case of an Institutional Investor) of the
         number of Common Shares then outstanding, and (ii) no Person shall
         become an "Acquiring Person" as the result of an acquisition of Common
         Shares by the Company which, by reducing the number of shares
         outstanding, increases the proportionate number of Common Shares
         beneficially owned by such


                                       3
<PAGE>


         Person to 19% or more (25% or more in the case of an Institutional
         Investor) of the number of Common Shares then outstanding, provided,
         however, that if a Person shall become the Beneficial Owner of a number
         of Common Shares equal to 19% or more (25% or more in the case of an
         Institutional Investor) of the number of Common Shares then outstanding
         by reason of such share acquisitions by the Company and thereafter
         become the Beneficial Owner of any additional Common Shares, then such
         Person shall be deemed to be an "Acquiring Person" unless upon the
         consummation of the acquisition of such additional Common Shares such
         Person does not beneficially own a number of Common Shares equal to 19%
         or more (25% or more in the case of an Institutional Investor) of the
         number of Common Shares then outstanding. Notwithstanding any of the
         foregoing, in the event that an Institutional Investor (who is the
         Beneficial Owner of more than 19% of the Common Shares then outstanding
         at any time after the date hereof) no longer satisfies the requirements
         set forth in the definition of "Institutional Investor" set forth
         below, then such Person shall promptly as practicable, but in no event
         later than 5 Business Days after the Board of Directors determines in
         good faith that such Person no longer meets the requirements set forth
         in the definition of "Institutional Investor", divest itself of a
         sufficient number of Common Shares so that such Person no longer
         beneficially owns more than 19% of the Common Shares then outstanding.
         If such Person does not divest itself of Common Shares in accordance
         with the requirements set forth in the prior sentence, then such Person
         shall be deemed to be or to have become an "Acquiring Person" for any
         purposes of this Agreement. The phrase "then outstanding", when
         used with reference to a Person's Beneficial Ownership of Common Shares
         of the Company, shall mean the number of Common Shares then issued and
         outstanding 


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<PAGE>


         together with the sum of (i) all Common Shares issuable upon conversion
         of all the shares of Series C Preferred Stock, par value $.01 per
         share, then issued and outstanding, (ii) all Common Shares issuable 
         upon the exercise of all employee stock options issued and outstanding 
         as of November 16, 1995 and (iii) any other Common Shares not then 
         actually issued and outstanding but which such Person would be deemed 
         to beneficially own hereunder.

                  (b) "Affiliate" and "Associate" shall have the respective
         meanings ascribed to such terms in Rule 12b-2 of the General Rules and
         Regulations under the Securities Exchange Act of 1934, as amended (the
         "Exchange Act"), as in effect on November 16, 1995.

                  (c) A Person shall be deemed the "Beneficial Owner" of, shall
         be deemed to have "Beneficial Ownership" of and shall be deemed to
         "beneficially own":

                           (i) any securities which such Person or any of such
                  Person's Affiliates or Associates is deemed to beneficially
                  own, directly or indirectly within the meaning of Rule 13d-3
                  of the General Rules and Regulations under the Exchange Act as
                  in effect on November 16, 1995;

                           (ii) any securities which such Person or any of such
                  Person's Affiliates or Associates has (A) the right to acquire
                  (whether such right is exercisable immediately or only after
                  the passage of time) pursuant to any agreement, arrangement or
                  understanding (other than customary agreements with and
                  between underwriters and selling group members with respect to
                  a bona fide public offering of securities), or upon the
                  exercise of conversion rights, exchange rights, rights,
                  warrants or options, or otherwise; provided, however, that a
                  Person

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<PAGE>


                  shall not be deemed the Beneficial Owner of, or to
                  beneficially own, (x) securities tendered pursuant to a tender
                  or exchange offer made by or on behalf of such Person or any
                  of such Person's Affiliates or Associates until such tendered
                  securities are accepted for purchase, (y) securities which
                  such Person has a right to acquire on the exercise of Rights
                  at any time prior to the time a Person becomes an Acquiring
                  Person or (z) securities issuable upon exercise of Rights from
                  and after the time a Person becomes an Acquiring Person if
                  such Rights were acquired by such Person or any of such
                  Person's Affiliates or Associates prior to the Distribution
                  Date or pursuant to Section 3(a) or Section 22 hereof
                  ("original Rights") or pursuant to Section 11(i) or Section
                  11(n) with respect to an adjustment to original Rights; or (B)
                  the right to vote pursuant to any agreement, arrangement or
                  understanding; provided, however, that a Person shall not be
                  deemed the Beneficial Owner of, or to beneficially own, any
                  security by reason of such agreement, arrangement or
                  understanding if the agreement, arrangement or understanding
                  to vote such security (1) arises solely from a revocable proxy
                  or consent given to such Person in response to a public proxy
                  or consent solicitation made pursuant to, and in accordance
                  with, the applicable rules and regulations promulgated under
                  the Exchange Act and (2) is not also then reportable on
                  Schedule 13D under the Exchange Act (or any comparable or
                  successor report);

                           (iii) any securities which are beneficially owned,
                  directly or indirectly, by any other Person with which such
                  Person or any of such Person's Affiliates or Associates has
                  any agreement, arrangement or understanding (other than
                  customary agreements with and between underwriters and selling
                  group members

                                       6
<PAGE>


                  with respect to a bona fide public offering of securities) for
                  the purpose of acquiring, holding, voting (except to the
                  extent contemplated by the proviso to Section 1(c)(ii)(B)) or
                  disposing of any securities of the Company; and 

                           (iv) any securities of the Company convertible into 
                  Common Shares held by such Person. 

                           Notwithstanding any of the foregoing, no Person shall
                  be deemed the Beneficial Owner of any securities (including 
                  any Common Shares) by virtue of the agreements, arrangements 
                  (including any voting arrangements) and understandings set 
                  forth in the Stockholders' Agreement; provided, however, that
                  a Person will be deemed the Beneficial Owner of any securities
                  acquired pursuant to any options or rights granted in the 
                  Stockholders' Agreement. 

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

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

                           (f) "Common Shares" shall mean the Company's Common
                  Stock, par value $.01 per share and, prior to the Effective
                  Time of the Merger, shares of the Common Stock (including the
                  Class A Common Stock and the Class B Common Stock), par value
                  $.01 per share, of Old Northwest.


                                       7
<PAGE>


                           (g) "Common Stock" when used with reference to any
                  Person other than the Company shall mean the capital stock
                  (or, in the case of an unincorporated entity, the equivalent
                  equity interest) with the greatest voting power of such other
                  Person or, if such other Person is a subsidiary of another
                  Person, the Person or Persons which ultimately control such
                  first-mentioned Person.

                           (h) "Distribution Date" shall have the meaning set
                  forth in Section 3 hereof. (i) "Effective Time of the Merger"
                  shall mean the time when the Amended and Restated Merger
                  Agreement is filed with the Secretary of State of the State of
                  Delaware.

                           (j) "Exempt Person" shall mean (i) the Company, (ii)
                  any Subsidiary (as such term is hereinafter defined) of the
                  Company, (iii) any employee benefit plan of the Company or of
                  any Subsidiary of the Company or any entity or trustee holding
                  Common Shares for or pursuant to the terms of any such plan or
                  for the purpose of funding any such plan or funding other
                  employee benefits for employees of the Company or of any
                  Subsidiary of the Company and (iv) KLM so long as KLM is not
                  the Beneficial Owner of any Common Shares other than Common
                  Shares which KLM has the option to purchase pursuant to the
                  Option Agreement. In the event that KLM becomes the Beneficial
                  Owner of any Common Shares in any manner other than pursuant
                  to the Option Agreement, KLM shall no longer be deemed an
                  "Exempt Person" for purposes of this Agreement.

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

                           (l) "Institutional Investor" shall mean a Person who,
                  as of May 1, 1998, was the Beneficial Owner of 10% or more of
                  the Common Shares then outstanding and had a 


                                       8
<PAGE>


                  Schedule 13G on file with the Securities and Exchange
                  Commission pursuant to the requirements of Rule 13d-1 under
                  the Exchange Act with respect to such holdings, so long as
                  such Person (i) is principally engaged in the business of
                  managing investment funds for unaffiliated securities
                  investors and, as part of such Person's duties as agent for
                  fully managed accounts, holds or exercises voting or
                  dispositive power over shares of Common Stock of the Company,
                  (ii) such Person acquires Beneficial Ownership of shares of
                  Common Stock of the Company pursuant to trading activities
                  undertaken in the ordinary course of such Person's business
                  and not with the purpose nor the effect, either alone or in
                  concert with any Person, of exercising the power to direct or
                  cause the direction of the management and policies of the
                  Company or of otherwise changing or influencing the control of
                  the Company, nor in connection with or as a participant in any
                  transaction having such purpose or effect, including any
                  transaction subject to Rule 13d- 3(b) of the Exchange Act, and
                  (iii) if such Person is a Person included in Rule 13d-1(b)(ii)
                  of the Exchange Act, such Person is not obligated to, and does
                  not, file a Schedule 13D with respect to the securities of the
                  Company.

                           (m) "Investment Agreement" shall mean the Investment
                  Agreement, dated as of January 25, 1998, as amended by
                  Amendment No. 1, dated as of February 27, 1998, and Amendment
                  No. 2, dated as of November 20, 1998, among the Company, Old
                  Northwest, Air Partners, L.P., a Texas limited partnership
                  (the "Partnership"), the partners of the Partnership signatory
                  thereto, 1998 CAI Partners, L.P., a Texas limited partnership,
                  Bonderman Family Limited Partnership, a Texas limited
                  partnership, 1992 Air, Inc., a Texas corporation, and Air
                  Saipan, Inc., a CNMI corporation.


                                       9
<PAGE>


                           (n) "KLM" shall mean Koninklijke Luchtvaart
                  Maatschappij N.V., a Netherlands corporation.

                           (o) "NASDAQ Stock Market" shall mean the stock market
                  operated by the National Association of Securities Dealers,
                  Inc.

                           (p) "Option Agreement" shall mean the Northwest
                  Airlines Corporation Common Stock Option Agreement, dated as
                  of May 1, 1998, between Old Northwest and KLM.

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

                           (r) "Preferred Stock" shall mean the Series D Junior
                  Participating Preferred Stock, par value $.01 per share, of
                  the Company having the rights and preferences set forth in the
                  Form of Certificate of Designations attached to this Agreement
                  as Exhibit A.

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

                           (t) "Securities Act" shall mean the Securities Act of
                  1933, as amended.

                           (u) "Stock Acquisition Date" shall mean the first
                  date of public announcement (which for purposes of this
                  definition, shall include, without limitation, a report filed
                  pursuant to Section 13(d) of the Exchange Act) by the Company
                  or an Acquiring Person that an Acquiring Person has become
                  such or such earlier date as a majority of the Board of
                  Directors shall become aware of the existence of an Acquiring
                  Person. 

                           (v) "Stockholders Agreement" shall mean the Second
                  Amended and Restated Investor Stockholders' Agreement, as
                  amended, dated as of December 23, 1993, as in effect on the
                  date of this Agreement.


                                       10
<PAGE>


                  (w) "Subsidiary" of any Person shall mean any corporation or
         other entity of which securities or other ownership interests having
         ordinary voting power sufficient to elect a majority of the board of
         directors or other persons performing similar functions are
         beneficially owned, directly or indirectly, by such Person, and any
         corporation or other entity that is otherwise controlled by such
         Person.

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

         Section 3. Issue of Right Certificates. (a) Until the earlier of (i)
the tenth day after the Stock Acquisition Date or (ii) the tenth Business Day
(or such later date as may be determined by action of the Board of Directors
prior to such time as any Person becomes an Acquiring Person) after the date of
the commencement by any Person (other than an Exempt Person) of, or of the first
public announcement of the intention of such Person (other than an Exempt
Person) to commence, a tender or exchange offer the consummation of which would
result in any Person becoming the Beneficial Owner of a number of Common Shares
equal to 19% or more of the number of Common Shares then outstanding (including
any such date which is after the date of this Agreement and prior to the
issuance of the Rights; the earlier of such dates being herein referred to as
the "Distribution Date"), (x) the Rights will be evidenced (subject to the
provisions of Section 3(b) hereof) by the certificates for Common Shares
registered in the names of the holders thereof and not by separate Right
Certificates, and (y) the


                                       11
<PAGE>


Rights will be transferable only in connection with the transfer of the Common
Shares. As soon as practicable after the Distribution Date, the Company will
prepare and execute, the Rights Agent will countersign, and the Company will
send or cause to be sent (and the Rights Agent will, if requested, send) by
first-class, insured, postage-prepaid mail, to each record holder of Common
Shares as of the close of business on the Distribution Date (other than any
Acquiring Person or any Associate or Affiliate of an Acquiring Person), at the
address of such holder shown on the records of the Company, a Right Certificate,
in substantially the form of Exhibit B hereto (a "Right Certificate"),
evidencing one Right (subject to adjustment as provided herein) for each Common
Share so held. As of the Distribution Date, the Rights will be evidenced solely
by such Right Certificates. 


                  b) On the Record Date, or as soon as practicable thereafter,
         the Company will send a copy of a Summary of Rights to Purchase Shares
         of Preferred Stock, in substantially the Form of Exhibit C hereto (the
         "Summary of Rights"), by first-class, postage-prepaid mail, to each
         record holder of Common Shares as of the close of business on the
         Record Date (other than any Acquiring Person or any Associate or
         Affiliate of any Acquiring Person), at the address of such holder shown
         on the records of the Company. With respect to certificates for Common
         Shares outstanding as of the Record Date, until the Distribution Date,
         the Rights will be evidenced by such certificates registered in the
         names of the holders thereof together with the Summary of Rights. Until
         the Distribution Date (or the earlier of the Redemption Date or the
         Final Expiration Date), the surrender for transfer of any certif icate
         for Common Shares outstanding on the Record Date, with or without a
         copy of the Summary of Rights, shall also constitute the transfer of
         the Rights associated with the Common Shares represented thereby.


                                       12
<PAGE>


                  (c) Certificates issued for Common Shares (including, without
         limitation, upon conversion of the Series C Preferred Stock,
         disposition of Common Shares out of treasury stock or issuance or
         reissuance of Common Shares out of authorized but unissued shares)
         after the Record Date but prior to the earliest of the Distribution
         Date, the Redemption Date or the Final Expiration Date shall have
         impressed on, printed on, written on or otherwise affixed to them the
         following legend:

                  This certificate also evidences and entitles the holder hereof
                  to certain rights as set forth in a Rights Agreement between
                  Northwest Airlines Corporation and Norwest Bank Minnesota,
                  N.A., dated as of November 20, 1998 as the same may be amended
                  from time to time (the "Rights Agreement"), the terms of which
                  are hereby incorporated herein by reference and a copy of
                  which is on file at the principal executive offices of
                  Northwest Airlines Corporation. 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. Northwest Airlines Corporation
                  will mail to the holder of this certificate a copy of the
                  Rights Agreement without charge after receipt of a written
                  request therefor. Under certain circumstances, as set forth in
                  the Rights Agreement, Rights owned by or transferred to any
                  Person who becomes an Acquiring Person (as defined in the
                  Rights Agreement) and certain transferees thereof will become
                  null and void and will no longer be transferable.

With respect to such certificates containing the foregoing legend, until the
Distribution Date, the Rights associated with the Common Shares represented by
such certificates shall be evidenced by such certificates alone, and the
surrender for transfer of any such certificate, except as otherwise provided
herein, shall also constitute the transfer of the Rights associated with the
Common Shares represented thereby. In the event that the Company purchases or
otherwise acquires any Common Shares after the Record Date but prior to the
Distribution Date (including pursuant to the conversion of shares), any Rights
associated with such Common Shares shall be




                                       13
<PAGE>


deemed cancelled and retired so that the Company shall not be entitled to
exercise any Rights associated with the Common Shares which are no longer
outstanding.

         Notwithstanding this paragraph (c), the omission of a legend shall not
affect the enforceability of any part of this Agreement or the rights of any
holder of the Rights.

         Section 4. Form of Right Certificates. The Right Certificates (and the
forms of election to purchase shares and of assignment to be printed on the
reverse thereof) shall 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 the NASDAQ
Stock Market or of any other stock exchange or automated quotation system on
which the Rights may from time to time be listed, or to conform to usage.
Subject to the provisions of Sections 11, 13 and 22 hereof, the Right
Certificates 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 per one one-hundredth of a share of Preferred Stock set forth therein
(the "Purchase Price"), but the number of such one one-hundredths of a share of
Preferred Stock and the Purchase Price shall be subject to adjustment as
provided herein.

         Section 5. Countersignature and Registration. (a) The Right
Certificates shall be executed on behalf of the Company by the President, any of
the Vice Presidents, the Treasurer or the Controller of the Company, either
manually or by facsimile signature, shall have affixed thereto the Company's
seal or a facsimile thereof, and shall be attested by the Secretary or an
Assistant Secretary of the Company, either manually or by facsimile signature.
The Right

                                       14
<PAGE>


Certificates shall be manually countersigned by the Rights Agent and shall not
be valid for any purpose unless countersigned. In case any officer of the
Company who shall have signed any of the Right Certificates shall cease to be
such officer of the Company before countersignature by the Rights Agent and
issuance and delivery by the Company, such Right Certificates, neverthe less,
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 Right
Certificates had not ceased to be such officer of the Company; and any Right
Certificate may be signed on behalf of the Company by any Person who, at the
actual date of the execution of such Right Certificate, shall be a proper
officer of the Company to sign such Right Certificate, although at the date of
the execution of this 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 an office or agency designated for such
         purpose, books for registration and transfer of the Right Certificates
         issued hereunder. Such books shall show the names and addresses of the
         respective holders of the Right Certificates, the number of Rights
         evidenced on its face by each of the Right Certificates and the date of
         each of the Right Certificates.

         Section 6. Transfer, Split Up, Combination and Exchange of Right
Certificates; Mutilated, Destroyed, Lost or Stolen Right Certificates. (a)
Subject to the provisions of Sections 7(e), 11(a)(ii) and 14 hereof, at any time
after the close of business on the Distribution Date, and prior to the close of
business on the earlier of the Redemption Date or the Final Expiration Date, any
Right Certificate or Right Certificates may be transferred, split up, combined
or exchanged for another Right Certificate or Right Certificates, entitling the
registered holder to purchase a like number of one one-hundredths of a share of
Preferred Stock as the Right Certificate or Right Certificates surrendered then
entitled such holder to purchase. Any registered holder desiring to


                                       15
<PAGE>


transfer, split up, combine or exchange any Right Certificate or Right
Certificates shall make such request in writing delivered to the Rights Agent,
and shall surrender the Right Certificate or Right Certificates to be
transferred, split up, combined or exchanged at the office or agency of the
Rights Agent designated for such purpose. Thereupon the Rights Agent shall
countersign and deliver to the Person entitled thereto a Right Certificate or
Right Certificates, as the case may be, as so requested. The Company may require
payment of a sum sufficient to cover any tax or governmental charge that may be
imposed in connection with any transfer, split up, combination or exchange of
Right Certificates.

                  (b) Subject to the provisions of Section 11(a)(ii) hereof, at
         any time after the Distribution Date and prior to the close of business
         on the earlier of the Redemption Date or the Final Expiration Date,
         upon receipt by the Company and the Rights Agent of evidence reasonably
         satisfactory to them of the loss, theft, destruction or mutilation of a
         Right Certificate, and, in case of loss, theft or destruction, of
         indemnity or security reasonably satisfactory to them, and, at the
         Company's request, reimbursement to the Company and the Rights Agent of
         all reasonable expenses incidental thereto, and upon surrender to the
         Rights Agent and cancellation of the Right Certificate if mutilated,
         the Company will make and deliver a new Right Certificate of like tenor
         to the Rights Agent for delivery to the registered holder in lieu of
         the Right Certificate so lost, stolen, destroyed or mutilated.

         Section 7. Exercise of Rights, Purchase Price; Expiration Date of
Rights. (a) Except as otherwise provided herein, the Rights shall become
exercisable on the Distribution Date, and thereafter the registered holder of
any Right Certificate may, subject to Section 11(a)(ii) hereof and except as
otherwise provided herein, exercise the Rights evidenced thereby in whole or in
part upon surrender of the Right Certificate, with the form of election to
purchase


                                       16
<PAGE>


on the reverse side thereof duly executed, to the Rights Agent at the office or
agency of the Rights Agent designated for such purpose, together with payment of
the Purchase Price for each one one-hundredth of a share of Preferred Stock as
to which the Rights are exercised, at any time which is both after the
Distribution Date and prior to the earliest of (i) the close of business on
November 16, 2005 (the "Final Expiration Date"), (ii) the time at which the
Rights are redeemed as provided in Section 23 hereof (the "Redemption Date") or
(iii) the time at which such Rights are exchanged as provided in Section 24
hereof.

                  (b) The Purchase Price shall be initially $150 for each one
         one-hundredth of a share of Preferred Stock purchasable upon the
         exercise of a Right. The Purchase Price and the number of one
         one-hundredths of a share of Preferred Stock or other securities or
         property to be acquired upon exercise of a Right shall be subject to
         adjustment from time to time as provided in Sections 11 and 13 hereof
         and shall be payable in lawful money of the United States of America in
         accordance with paragraph (c) of this Section 7.

                  (c) Except as otherwise provided herein, upon receipt of a
         Right Certificate representing exercisable Rights, with the form of
         election to purchase duly executed, accompanied by payment of the
         aggregate Purchase Price for the shares of Preferred Stock to be
         purchased and an amount equal to any applicable transfer tax required
         to be paid by the holder of such Right Certificate in accordance with
         Section 9 hereof, in cash or by certified check, cashier's check or
         money order payable to the order of the Company, the Rights Agent shall
         thereupon promptly (i) (A) requisition from any transfer agent of the
         Preferred Stock certificates for the number of shares of Preferred
         Stock to be purchased and the Company hereby irrevocably authorizes its
         transfer agent to comply with all such requests, or (B) requisition
         from the depositary agent depositary receipts representing interests in
         such number of one one-hundredths




                                       17
<PAGE>

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

                  (d) Except as otherwise provided herein, in case the
         registered holder of any Right Certificate shall exercise less than all
         the Rights evidenced thereby, a new Right Certificate evidencing Rights
         equivalent to the exercisable Rights remaining unexercised shall be
         issued by the Rights Agent to the registered holder of such Right
         Certificate or to his duly authorized assigns, subject to the
         provisions of Section 14 hereof.

                  (e) Notwithstanding anything in this Agreement to the
         contrary, neither the Rights Agent nor the Company shall be obligated
         to undertake any action with respect to a registered holder of Rights
         upon the occurrence of any purported transfer or exercise of Rights
         pursuant to Section 6 hereof or this Section 7 unless such registered
         holder shall have (i) completed and signed the certificate contained in
         the form of assignment or election to purchase set forth on the reverse
         side of the Rights Certificate surrendered for such transfer or
         exercise and (ii) provided such additional evidence of the identity of
         the Beneficial Owner (or former Beneficial Owner) thereof as the
         Company shall reasonably request.


                                       18
<PAGE>


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

         Section 9. Availability of Shares of Preferred 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 or any shares of Preferred
Stock held in its treasury, the number of shares of Preferred Stock that 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 time that a Person becomes an Acquiring Person, Common Shares and
         other securities) issuable upon the exercise of Rights may be listed or
         admitted to trading on the NASDAQ Stock Market or listed on any other
         national securities exchange or quotation system, 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
         or admitted to trading on the NASDAQ Stock Market or listed on any
         other exchange or quotation system upon official notice of issuance
         upon such exercise.

                  (c) From and after such time as the Rights become exercisable,
         the Company shall use its best efforts, if then necessary to permit the
         issuance of shares of Preferred Stock (and


                                       19
<PAGE>


         following the time that a Person first becomes an Acquiring Person,
         Common Shares and other securities) upon the exercise of Rights, to
         register and qualify such shares of Preferred Stock (and following the
         time that a Person first becomes an Acquiring Person, Common Shares and
         other securities) under the Securities Act and any applicable state
         securities or "Blue Sky" laws (to the extent exemptions therefrom are
         not available), cause such registration statement and qualifications to
         become effective as soon as possible after such filing and keep such
         registration and qualifications effective until the earlier of the date
         as of which the Rights are no longer exercisable for such securities
         and the Final Expiration Date. The Company may temporarily suspend, for
         a period of time not to exceed 90 days, the exercisability of the
         Rights in order to prepare and file a registration statement under the
         Securities Act 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 is no
         longer in effect. Notwithstanding any provision of this Agreement to
         the contrary, the Rights shall not be exercisable in any jurisdiction
         unless the requisite qualification in such jurisdiction shall have been
         obtained and until a registration statement under the Securities Act
         (if required) shall 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 shares of Preferred
         Stock (and, following the time that a Person becomes an Acquiring
         Person, Common Shares and other securities) delivered upon exercise of
         Rights shall, at the time of delivery of the certificates therefor
         (subject to payment of the Purchase Price), be duly and validly
         authorized and issued and fully paid and nonassessable shares.




                                       20
<PAGE>


                  (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 Right Certificates or of any shares of Preferred Stock (or Common
         Shares or other securities) 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 Right Certificates to
         a Person other than, or the issuance or delivery of certificates or
         depositary receipts for the Preferred Stock (or Common Shares or other
         securities) in a name other than that of, the registered holder of the
         Right Certificate evidencing Rights surrendered for exercise or to
         issue or deliver any certificates or depositary receipts for Preferred
         Stock (or Common Shares or other securities) upon the exercise of any
         Rights until any such tax shall have been paid (any such tax being
         payable by that holder of such Right Certificate at the time of
         surrender) or until it has been established to the Company's reasonable
         satisfaction that no such tax is due.

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


                                       21
<PAGE>


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

         Section 11. Adjustment of Purchase Price, Number of Shares and Number
of Rights. The Purchase Price, the number of shares of Preferred Stock or other
securities or property purchasable upon exercise of 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 Preferred Stock or (D) issue any shares of its
         capital stock in a reclassification of the Preferred Stock (including
         any such reclassification in connection with a consolidation or merger
         in which the Company is the continuing or surviving corporation),
         except as otherwise provided in this Section 11(a), the Purchase Price
         in effect at the time of the record date for such dividend or of the
         effective date of such subdivision, combination or reclassification,
         and the number and kind of shares of capital stock issuable on such
         date, shall be proportionately adjusted so that the holder of any Right
         exercised after such time shall be entitled to receive the aggregate
         number and kind of shares of capital stock which, if such Right had
         been exercised immediately prior to such date and at a time when the
         Preferred Stock transfer books of the Company were open, the holder
         would have owned upon such


                                       22
<PAGE>


         exercise and been entitled to receive by virtue of such dividend,
         subdivision, combination or reclassification; provided, however, that
         in no event shall the consideration to be paid upon the exercise of one
         Right be less than the aggregate par value of the shares of capital
         stock of the Company issuable upon exercise of one Right.

                  (ii) Subject to Section 24 of this Agreement and except as
         otherwise provided in this Section 11(a)(ii), in the event any Person
         becomes an Acquiring Person, each holder of a Right shall thereafter
         have the right to receive, upon exercise thereof at a price equal to
         the then current Purchase Price multiplied by the number of one
         one-hundredths of a share of Preferred Stock for which a Right is then
         exercisable, in accordance with the terms of this Agreement and in lieu
         of shares of Preferred Stock, such number of Common Shares (or at the
         option of the Company, such number of one one-hundredths of shares of
         Preferred Stock) as shall equal the result obtained by (x) multiplying
         the then current Purchase Price by the number of one one-hundredths of
         a share of Preferred Stock for which a Right is then exercisable and
         dividing that product by (y) 50% of the then current per share market
         price of the Company's Common Shares (determined pursuant to Section
         11(d) hereof) on the date of the occurrence of such event; provided,
         however, that the Purchase Price and the number of Common Shares so
         receivable upon exercise of a Right shall thereafter be subject to
         further adjustment as appropriate in accordance with Section 11(f)
         hereof. Notwithstanding anything in this Agreement to the contrary,
         however, from and after the time (the "invalidation time") when any
         Person first becomes an Acquiring Person, any


                                       23

<PAGE>


         Rights that are beneficially owned by (x) any Acquiring Person (or any
         Affiliate or Associate of any Acquiring Person), (y) a transferee of
         any Acquiring Person (or any such Affiliate or Associate) who becomes a
         transferee after the invalidation time or (z) a transferee of any
         Acquiring Person (or any such Affiliate or Associate) who became a
         transferee prior to or concurrently with the invalidation time pursuant
         to either (I) a transfer from the Acquiring Person to holders of its
         equity securities or to any Person with whom it has any continuing
         agreement, arrangement or understanding regarding the transferred
         Rights or (II) a transfer which the Board of Directors has determined
         is part of a plan, arrangement or understanding which has the purpose
         or effect of avoiding the provisions of this paragraph, and subsequent
         transferees of such Persons, shall be void without any further action
         and any holder of such Rights shall thereafter have no rights
         whatsoever with respect to such Rights under any provision of this
         Agreement. The Company shall use all reasonable efforts to ensure that
         the provisions of this Section 11(a)(ii) are complied with, but shall
         have no liability to any holder of Right Certificates or other Person
         as a result of its failure to make any determinations with respect to
         an Acquiring Person or its Affiliates, Associates or transferees
         hereunder. From and after the invalidation time, no Right Certificate
         shall be issued pursuant to Section 3 or Section 6 hereof that
         represents Rights that are or have become void pursuant to the
         provisions of this paragraph, and any Right Certificate delivered to
         the Rights Agent that represents Rights that are or have become void
         pursuant to the provisions of this paragraph shall be cancelled. From
         and after the occurrence of an event specified in Section


                                       24

<PAGE>

         13(a) hereof, any Rights that theretofore have not been exercised
         pursuant to this Section 11(a)(ii) shall thereafter be exercisable only
         in accordance with Section 13 and not pursuant to this Section
         11(a)(ii).

                           (iii) The Company may at its option substitute for a
                  Common Share issuable upon the exercise of Rights in
                  accordance with the foregoing subparagraph (ii) such number or
                  fractions of shares of Preferred Stock having an aggregate
                  current market value equal to the current per share market
                  price of Common Shares. In the event that there shall not be
                  sufficient Common Shares issued but not outstanding or
                  authorized but unissued to permit the exercise in full of the
                  Rights in accordance with the foregoing subparagraph (ii), the
                  Board of Directors shall, to the extent permitted by
                  applicable law and any material agreements then in effect to
                  which the Company is a party (A) determine the excess of (1)
                  the value of the Common Shares issuable upon the exercise of a
                  Right in accordance with the foregoing subparagraph (ii) (the
                  "Current Value") over (2) the then current Purchase Price
                  multiplied by the number of one one-hundredths of shares of
                  Preferred Stock for which a Right was exercisable immediately
                  prior to the time that the Acquiring Person became such (such
                  excess, the "Spread"), and (B) with respect to each Right
                  (other than Rights which have become void pursuant to Section
                  11(a)(ii)), make adequate provision to substitute for the
                  Common Shares issuable in accordance with subparagraph (ii)
                  upon exercise of the Right and payment of the applicable
                  Purchase Price, (1) cash, (2) a reduction in the Purchase
                  Price, (3) shares of Preferred Stock or other equity
                  securities of the Company (including, without limitation,
                  shares or fractions of


                                       25

<PAGE>


                  shares of preferred stock which, by virtue of having dividend,
                  voting and liquidation rights substantially comparable to
                  those of the Common Shares, are deemed in good faith by the
                  Board of Directors to have substantially the same value as the
                  Common Shares (such shares of preferred stock and shares or
                  fractions of shares of preferred stock are hereinafter
                  referred to as "Common Share equivalents"), (4) debt
                  securities of the Company, (5) other assets, or (6) any
                  combination of the foregoing, having a value which, when added
                  to the value of the Common Shares actually issued upon
                  exercise of such Right, shall have 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 of Directors upon the advice of a
                  nationally recognized investment banking firm selected in good
                  faith by the Board of Directors; provided, however, if the
                  Company shall not make adequate provision to deliver value
                  pursuant to clause (B) above within thirty (30) days following
                  the date that the Acquiring Person became such (the "Section
                  11(a)(ii) Trigger Date"), then the Company shall be obligated
                  to deliver, to the extent permitted by applicable law and any
                  material agreements then in effect to which the Company is a
                  party, upon the surrender for exercise of a Right and without
                  requiring payment of the Purchase Price, Common Shares (to the
                  extent available), and then, if necessary, such number or
                  fractions of shares of Preferred Stock (to the extent
                  available) and then, if necessary, cash, which shares and/or
                  cash have an aggregate value equal to the Spread. If, upon the
                  date any Person becomes an Acquiring Person, the Board of
                  Directors shall determine in good faith that it is likely that
                  sufficient additional


                                       26
<PAGE>


                  Common Shares could be authorized for issuance upon exercise
                  in full of the Rights, then, if the Board of Directors so
                  elects, the thirty (30) day period set forth above may be
                  extended to the extent necessary, but not more than ninety
                  (90) 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 the Company
                  determines that some action need be taken pursuant to the
                  second and/or third sentence of this Section 11(a)(iii), the
                  Company (x) shall provide, subject to Section 11(a)(ii) hereof
                  and the last sentence of this Section 11(a)(iii) hereof, that
                  such action shall apply uniformly to all outstanding Rights
                  and (y) may suspend the exercisability of the Rights until the
                  expiration of the Substitution Period in order to seek any
                  authorization of additional shares and/or to decide the
                  appropriate form of distribution to be made pursuant to such
                  second 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 the Common
                  Shares shall be the current per share market price (as
                  determined pursuant to Section 11(d)(i)) on the Section
                  11(a)(ii) Trigger Date and the per share or fractional value
                  of any "Common Share equivalent" shall be deemed to equal the
                  current per share market price of the Common Shares. The Board
                  of Directors of the Company may, but shall not be required to,
                  establish procedures to allocate the right to




                                       27

<PAGE>


receive Common Shares upon the exercise of the Rights among holders of Rights
pursuant to this Section 11(a)(iii).

              (b) In case the Company shall fix a record date for the issuance
         of rights, options or warrants to all holders of Preferred Stock
         entitling them (for a period expiring within 45 calendar days after
         such record date) to subscribe for or purchase Preferred Stock (or
         shares having the same rights, privileges and preferences as the
         Preferred Stock ("equivalent preferred shares")) or securities
         convertible into Preferred Stock or equivalent preferred shares at a
         price per share of Preferred Stock or equivalent preferred shares (or
         having a conversion price per share, if a security convertible into
         shares of Preferred Stock or equivalent preferred shares) less than the
         then current per share market price of the Preferred Stock (determined
         pursuant to Section 11(d) hereof) 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 and equivalent preferred shares
         outstanding on such record date plus the number of shares of Preferred
         Stock and equivalent preferred shares which the aggregate offering
         price of the total number of shares of Preferred Stock and/or
         equivalent preferred shares so to be offered (and/or the aggregate
         initial conversion price of the convertible securities so to be
         offered) would purchase at such current market price, and the
         denominator of which shall be the number of shares of Preferred Stock
         and equivalent preferred shares outstanding on such record date plus
         the number of additional shares of Preferred Stock and/or equivalent
         preferred shares to be offered for subscription or purchase (or into
         which the convertible securities so to be offered are initially
         convertible); provided, however, that in


                                       28

<PAGE>


         no event shall the consideration to be paid upon the exercise of one
         Right be less than the aggregate par value of the shares of capital
         stock of the Company issuable upon exercise of one Right. In case such
         subscription price may be paid in a consideration part or all of which
         shall be in a form other than cash, the value of such consideration
         shall be as determined in good faith by the Board of Directors of the
         Company, whose determination shall be described in a statement filed
         with the Rights Agent. Shares of Preferred Stock and equivalent
         preferred shares owned by or held for the account of the Company shall
         not be deemed outstanding for the purpose of any such computation. Such
         adjustment shall be made successively whenever such a record date is
         fixed; and in the event that such rights, options or warrants are not
         so issued, the Purchase Price shall be adjusted to be the Purchase
         Price which would then be in effect if such record date had not been
         fixed.

              (c) In case the Company shall fix a record date for the making of
         a distribution to all holders of the Preferred Stock (including any
         such distribution made in connection with a consolidation or merger in
         which the Company is the continuing or surviving corporation) of
         evidences of indebtedness or assets (other than a regular quarterly
         cash dividend or a dividend payable in Preferred Stock) or subscription
         rights or warrants (excluding those referred to in Section 11(b)
         hereof), the Purchase Price to be in effect after such record date
         shall be determined by multiplying the Purchase Price in effect
         immediately prior to such record date by a fraction, the numerator of
         which shall be the then current per share market price of the Preferred
         Stock (determined pursuant to Section 11(d) hereof) 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


                                       29

<PAGE>


         described in a statement filed with the Rights Agent) of the portion of
         the assets or evidences of indebtedness so to be distributed or of such
         subscription rights or warrants applicable to one share of Preferred
         Stock, and the denominator of which shall be such current per share
         market price (determined pursuant to Section 11(d) hereof) of the
         Preferred Stock; provided, however, that in no event shall the
         consideration to be paid upon the exercise of one Right be less than
         the aggregate par value of the shares of capital stock of the Company
         to be issued upon exercise of one Right. Such adjustments shall be made
         successively whenever such a record date is fixed; and in the event
         that such distribution is not so made, the Purchase Price shall again
         be adjusted to be the Purchase Price which would then be in effect if
         such record date had not been fixed.

              (d) (i) Except as otherwise provided herein, for the purpose of
         any computation hereunder, the "current per share market price" of any
         security (a "Security" for the purpose of this Section 11(d)(i)) on any
         date shall be deemed to be the average of the daily closing prices per
         share of such Security for the 30 consecutive Trading Days (as such
         term is hereinafter defined) immediately prior to such date; provided,
         however, that in the event that the current per share market price of
         the Security is determined during a period following the announcement
         by the issuer of such Security of (A) a dividend or distribution on
         such Security payable in shares of such Security or securities
         convertible into such shares, or (B) any subdivision, combination or
         reclassification of such Security, and prior to the expiration of 30
         Trading Days after the ex-dividend date for such dividend or
         distribution, or the record date for such subdivision, combination or
         reclassification, then, and in each such case, the current per share
         market price shall be appropriately adjusted to reflect the current
         market price per share equivalent of such


                                       30

<PAGE>


         Security. The closing price for each day shall be the last sale price,
         regular way, or, in case no such sale takes place on such day, the
         average of the closing bid and asked prices, regular way, in either
         case as reported by the principal consolidated transaction reporting
         system with respect to securities listed or admitted to trading on the
         NASDAQ Stock Market or, if the Security is not listed or admitted to
         trading on the NASDAQ Stock Market, as reported in the principal
         consolidated transaction reporting system with respect to securities
         listed on the principal national securities exchange on which the
         Security is listed or admitted to trading or, if the Security is not
         listed or admitted to trading on any national securities exchange, the
         last quoted price or, if not so quoted, the average of the high bid and
         low asked prices in the over-the-counter market or such other system
         then in use, or, if on any such date the Security is not quoted by any
         organization in the over-the-counter market, the average of the closing
         bid and asked prices as furnished by a professional market maker making
         a market in the Security selected by the Board of Directors of the
         Company. The term "Trading Day" shall mean a day on which the principal
         national securities exchange on which the Security is listed or
         admitted to trading is open for the transaction of business or, if the
         Security is not listed or admitted to trading on any national
         securities exchange, a Business Day.

                   (ii) For the purpose of any computation hereunder, if the
              Preferred Stock is publicly traded, the "current per share market
              price" of the Preferred Stock shall be determined in accordance
              with the method set forth in Section 11(d)(i). If the Preferred
              Stock is not publicly traded but the Common Shares are publicly
              traded, the "current per share market price" of the Preferred
              Stock shall be conclusively deemed to be the current per share
              market price of the Common Shares as determined pursuant to
              Section 11(d)(i)


                                       31

<PAGE>


              multiplied by one hundred (appropriately adjusted to reflect any
              stock split, stock dividend or similar transaction occurring after
              the date hereof). If neither the Common Shares nor the Preferred
              Stock is publicly traded, "current per share market price" shall
              mean the fair value per share as determined in good faith by the
              Board of Directors of the Company, whose determination shall be
              described in a statement filed with the Rights Agent. (e) No
              adjustment in the Purchase Price shall be required unless such
              adjustment would require an increase or decrease of at least 1% in
              the Purchase Price; provided, however, that any adjustments which
              by reason of this Section 11(e) are not required to be made shall
              be carried forward and taken into account in any subsequent
              adjustment. All calculations under this Section 11 shall be made
              to the nearest cent or to the nearest one ten-thousandth of a
              share of Preferred Stock or Common Share or other share or
              security as the case may be. Notwithstanding the first sentence of
              this Section 11(e), any adjustment required by this Section 11
              shall be made no later than the earlier of (i) three years from
              the date of the transaction which requires such adjustment or (ii)
              the date of the expiration of the right to exercise any Rights.

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


                                       32

<PAGE>


         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 (cal culated to the nearest one ten- thousandth of a
         share of Preferred Stock) obtained by (i) multiplying (x) the number of
         one one-hundredths of a share covered by a Right immediately prior to
         such 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 substitution
         for 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 such adjustment of the number of Rights shall
         be exercisable for the number of one one-hundredths of a share of
         Preferred Stock for which a Right was exercisable immediately prior to
         such adjustment.


                                       33
<PAGE>


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

              (j) Irrespective of any adjustment or change in the Purchase Price
         or the number of one one-hundredths of a share of Preferred Stock
         issuable upon the exercise of


                                       34

<PAGE>


         the Rights, the Right Certificates theretofore and thereafter issued
         may continue to express the Purchase Price and the number of one
         one-hundredths of a share of Preferred Stock which were expressed in
         the initial Right Certificates issued hereunder.

              (k) Before taking any action that would cause an adjustment
         reducing the Purchase Price below the then par value, if any, of the
         Preferred Stock or other shares of capital 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 shares of
         Preferred Stock or other such shares at such adjusted Purchase Price.

              (l) In any case in which this Section 11 shall require that an
         adjustment in the Purchase Price be made effective as of a record date
         for a specified event, the Company may elect to defer until the
         occurrence of such event the issuing to the holder of any Right
         exercised after such record date of the Preferred Stock and other
         capital stock or securities of the Company, if any, issuable upon such
         exercise over and above the 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 upon the occurrence of the event
         requiring such adjustment.

                  (m) Anything in this Section 11 to the contrary
         notwithstanding, the Company shall be entitled to make such reductions
         in the Purchase Price, in addition to those adjustments expressly
         required by this Section 11, as and to the extent that it in its sole
         discretion shall determine to be advisable in order that any
         consolidation or subdivision


                                       35

<PAGE>


         of the Preferred Stock, issuance wholly for cash of any shares of
         Preferred Stock at less than the current market price, issuance wholly
         for cash or Preferred Stock or securities which by their terms are
         convertible into or exchangeable for Preferred Stock, dividends on
         Preferred Stock payable in shares of Preferred Stock or issuance of
         rights, options or warrants referred to hereinabove in Section 11(b),
         hereafter made by the Company to holders of its Preferred Stock shall
         not be taxable to such stockholders.

              (n) Anything in this Agreement to the contrary notwithstanding, in
         the event that at any time after the date of this Agreement and prior
         to the Distribution Date, the Company shall (i) declare or pay any
         dividend on the Common Shares payable in Common Shares or (ii) effect a
         subdivision, combination or consolidation of the Common Shares (by
         reclassification or otherwise than by payment of a dividend payable in
         Common Shares) into a greater or lesser number of Common Shares, then
         in any such case, the number of Rights associated with each Common
         Share then outstanding, or issued or delivered thereafter, shall be
         proportionately adjusted so that the number of Rights thereafter
         associated with each Common Share following any such event shall equal
         the result obtained by multiplying the number of Rights associated with
         each Common Share immediately prior to such event by a fraction the
         numerator of which shall be the total number of Common Shares
         outstanding immediately prior to the occurrence of the event and the
         denominator of which shall be the total number of Common Shares
         outstanding immediately following the occurrence of such event.

              (o) The Company agrees that, after the earlier of the Distribution
         Date or the Stock Acquisition Date, it will not, except as permitted by
         Sections 23, 24 or 27 hereof, take (or permit any Subsidiary to take)
         any action if at the time such action is taken it is


                                       36

<PAGE>


         reasonably foreseeable that such action will diminish substantially or
         eliminate the benefits intended to be afforded by the Rights.

         Section 12. Certificate of Adjusted Purchase Price or Number of Shares.
Whenever an adjustment is made as provided in Section 11 or 13 hereof, the
Company shall promptly (a) prepare a certificate setting forth such adjustment,
and a brief statement of the facts accounting for such adjustment, (b) file with
the Rights Agent and with each transfer agent for the Common Shares or the
Preferred Stock a copy of such certificate and (c) mail a brief summary thereof
to each holder of a Right Certificate in accordance with Section 25 hereof (if
so required under Section 25 hereof). The Rights Agent shall be fully protected
in relying on any such certificate and on any adjustment therein contained and
shall not be deemed to have knowledge of any such adjustment unless and until it
shall have received such certificate.

         Section 13. Consolidation, Merger or Sale or Transfer of Assets or
Earnings Power. (a) In the event, directly or indirectly, at any time after any
Person has become an Acquiring Person, (i) the Company shall merge with and into
any other Person, (ii) any Person shall consolidate with the Company, or any
Person shall merge with and into the Company and the Company shall be the
continuing or surviving corporation of such merger and, in connection with such
merger, all or part of the Common Shares shall be changed into or exchanged for
stock or other securities of any other Person (or of the Company) or cash or any
other property, or (iii) the Company shall sell or otherwise transfer (or one or
more of its Subsidiaries shall sell or otherwise transfer), in one or more
transactions, assets or earning power aggregating 50% or more of the assets or
earning power of the Company and its Subsidiaries (taken as a whole) to any
other Person (other than the Company or one or more of its wholly-owned
Subsidiaries), then upon the first occurrence of such event, proper provision
shall be made so that: (A) each


                                       37

<PAGE>


holder of record of a Right (other than Rights which have become void pursuant
to Section 11(a)(ii)) shall thereafter have the right to receive, upon the
exercise thereof at a price equal to the then current Purchase Price multiplied
by the number of one one-hundredths of a share of Preferred Stock for which a
Right was exercisable (whether or not such Right was then exercisable)
immediately prior to the time that any Person first became an Acquiring Person
(each as subsequently adjusted thereafter pursuant to Sections 11(a)(i), 11(b),
11(c), 11(h), 11(i) and 11(m)), in accordance with the terms of this Agreement
and in lieu of Preferred Stock, such number of validly issued, fully paid and
non-assessable and freely tradeable shares of Common Stock of the Principal
Party (as defined herein) 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 was exercisable
immediately prior to the time that any Person first became an Acquiring Person
(as subsequently adjusted thereafter pursuant to Sections 11(a)(i), 11(b),
11(c), 11(h), 11(i) and 11(m)) and (2) dividing that product by 50% of the then
current per share market price of the Common Stock of such Principal Party
(determined pursuant to Section 11(d)(i) hereof) on the date of consummation of
such consolidation, merger, sale or transfer; provided that the Purchase Price
and the number of shares of Common Stock of such Principal Party issuable upon
exercise of each Right shall be further adjusted as provided in Section 11(f) of
this Agreement to reflect any events occurring in respect of such Principal
Party after the date of the such consolidation, merger, sale or transfer; (B)
such Principal Party shall thereafter be liable for, and shall assume, by virtue
of such consolidation, merger, sale or transfer, all the obligations and duties
of the Company pursuant to this Agreement; (C) the term "Company" shall
thereafter be deemed to refer to such Principal Party; and (D) such Principal
Party shall take such steps


                                       38

<PAGE>


(including, but not limited to, the reservation of a sufficient number of its
shares of Common Stock in accordance with Section 9 hereof) in connection with
such consummation of any such transaction as may be necessary to assure that the
provisions hereof shall thereafter be applicable, as nearly as reasonably may
be, in relation to the shares of its Common Stock thereafter deliverable upon
the exercise of the Rights; provided that, upon the subsequent occurrence of any
consolidation, merger, sale or transfer of assets or other extraordinary
transaction in respect of such Principal Party, each holder of a Right shall
thereupon be entitled to receive, upon exercise of a Right and payment of the
Purchase Price as provided in this Section 13(a), such cash, shares, rights,
warrants and other property which such holder would have been entitled to
receive had such holder, at the time of such transaction, owned the Common Stock
of the Principal Party receivable upon the exercise of a Right pursuant to this
Section 13(a), and such Principal Party shall take such steps (including, but
not limited to, reservation of shares of stock) as may be necessary to permit
the subsequent exercise of the Rights in accordance with the terms hereof for
such cash, shares, rights, warrants and other property.

              (b) "Principal Party" shall mean

                   (i) in the case of any transaction described in (i) or (ii)
              of the first sentence of Section 13(a) hereof: (A) the Person that
              is the issuer of the securities into which the shares of Common
              Shares are converted in such merger or consolidation, or, if there
              is more than one such issuer, the issuer the shares of Common
              Stock of which have the greatest aggregate market value of shares
              outstanding, or (B) if no securities are so issued, (x) the Person
              that is the other party to the merger, if such Person survives
              said merger, or, if there is more than one such Person, the Person
              the shares of Common Stock of which have the greatest aggregate
              market value of shares outstanding or (y) if the


                                       39

<PAGE>


         Person that is the other party to the merger does not survive the
         merger, the Person that does survive the merger (including the Company
         if it survives) or (z) the Person resulting from the consolidation; and

                   (ii) in the case of any transaction described in (iii) of the
              first sentence in Section 13(a) hereof, the Person that is the
              party receiving the greatest portion of the assets or earning
              power transferred pursuant to such transaction or transactions,
              or, if each Person that is a party to such transaction or
              transactions receives the same portion of the assets or earning
              power so transferred or if the Person receiving the greatest
              portion of the assets or earning power cannot be determined,
              whichever of such Persons as is the issuer of Common Stock having
              the greatest aggregate market value of shares outstanding;

provided, however, that in any such case described in the foregoing clause
(b)(i) or (b)(ii), if the Common Stock of such Person is not at such time or has
not been continuously over the preceding 12-month period registered under
Section 12 of the Exchange Act, then (1) if such Person is a direct or indirect
Subsidiary of another Person the Common Stock of which is and has been so
registered, the term "Principal Party" shall refer to such other Person, or (2)
if such Person is a Subsidiary, directly or indirectly, of more than one Person
and the Common Stocks of all of such Persons have been so registered, the term
"Principal Party" shall refer to whichever of such Persons is the issuer of
Common Stock having the greatest aggregate market value of shares outstanding,
or (3) if such Person is owned, directly or indirectly, by a joint venture
formed by two or more Persons that are not owned, directly or indirectly, by the
same Person, the rules set forth in clauses (1) and (2) above shall apply to
each of the owners having an interest in the venture as if the Person owned by
the joint venture was a Subsidiary of both or all of such joint


                                       40

<PAGE>


venturers, and the Principal Party in each such case shall bear the obligations
set forth in this Section 13 in the same ratio as its interest in such Person
bears to the total of such interests.

              (c) The Company shall not consummate any consolidation, merger,
         sale or transfer referred to in Section 13(a) hereof unless prior
         thereto the Company and the Principal Party involved therein shall have
         executed and delivered to the Rights Agent an agreement confirming that
         the requirements of Sections 13(a) and (b) hereof shall promptly be
         performed in accordance with their terms and that such consolidation,
         merger, sale or transfer of assets shall not result in a default by the
         Principal Party under this Agreement as the same shall have been
         assumed by the Principal Party pursuant to Sections 13(a) and (b)
         hereof and providing that, as soon as practicable after executing such
         agreement pursuant to this Section 13, the Principal Party will:

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

                   (ii) use its best efforts, if the Common Stock of the
              Principal Party shall be listed or admitted to trading on the
              NASDAQ Stock Market or on another national securities exchange, to
              list or admit to trading (or continue the listing of) the Rights
              and the securities purchasable upon exercise of the Rights on the
              NASDAQ Stock Market or such securities exchange, or, if the Common
              Stock of the Principal Party shall


                                       41

<PAGE>


              not be listed or admitted to trading on the NASDAQ Stock Market or
              a national securities exchange, to cause the Rights and the
              securities receivable upon exercise of the Rights to be reported
              by such other system then in use;

                   (iii) deliver to holders of the Rights historical financial
              statements for the Principal Party which comply in all respects
              with the requirements for registration on Form 10 (or any
              successor form) under the Exchange Act; and

                   (iv) obtain waivers of any rights of first refusal or
              preemptive rights in respect of the Common Stock of the Principal
              Party subject to purchase upon exercise of outstanding Rights.

              (d) In case the Principal Party has provision in any of its
         authorized securities or in its certificate of incorporation or by-laws
         or other instrument governing its corporate affairs, which provision
         would have the effect of (i) causing such Principal Party to issue
         (other than to holders of Rights pursuant to this Section 13), in
         connection with, or as a consequence of, the consummation of a
         transaction referred to in this Section 13, shares of Common Stock of
         such Principal Party at less than the then current market price per
         share thereof (determined pursuant to Section 11(d) hereof) or
         securities exercisable for, or convertible into, Common Stock of such
         Principal Party at less than such then current market price, or (ii)
         providing for any special payment, tax or similar provision in
         connection with the issuance of the Common Stock of such Principal
         Party pursuant to the provisions of Section 13, then, in such event,
         the Company hereby agrees with each holder of Rights that it shall not
         consummate any such transaction unless prior thereto the Company and
         such Principal Party shall have executed and delivered to the Rights
         Agent a supplemental agreement providing that the provision in question
         of such Principal Party shall have been cancelled, waived or amended,
         or that the authorized securities shall be


                                       42

<PAGE>


redeemed, so that the applicable provision will have no effect in connection
with, or as a consequence of, the consummation of the proposed transaction.

              (e) The Company covenants and agrees that it shall not, at any
         time after a Person first becomes an Acquiring Person, enter into any
         transaction of the type contemplated by (i) - (iii) of Section 13(a)
         hereof if (x) at the time of or immediately after such consolidation,
         merger, sale, transfer or other transaction 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, (y) prior to,
         simultaneously with or immediately after such consolidation, merger,
         sale, transfer of other transaction, the stockholders 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 or Associates
         or (z) the form or nature of organization of the Principal Party would
         preclude or limit the exercisability of the Rights.

         Section 14. Fractional Rights and Fractional Shares. (a) The Company
shall not be required to issue fractions of Rights or to distribute Right
Certificates which evidence fractional Rights. In lieu of such fractional
Rights, there shall be paid to the registered holders of the Right Certificates
with regard to which such fractional Rights would otherwise be issuable, an
amount in cash equal to the same fraction of the current market value of a whole
Right. For the purposes of this Section 14(a), the current market value of a
whole Right shall be the closing price of the Rights for the Trading Day
immediately prior to the date on which such fractional Rights would have been
otherwise issuable. The closing price for any day shall be the last sale price,
regular way, or, in case no such sale takes place on such day, the average of
the closing bid and asked prices, regular way, in either case as reported in the
principal consolidated transaction


                                       43

<PAGE>


reporting system with respect to securities listed or admitted to trading on the
NASDAQ Stock Market or, if the Rights are not listed or admitted to trading on
the NASDAQ Stock Market, 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 any
system then in use or, if on any such date the Rights are not quoted by any
organization in the over-the-counter market, the average of the closing bid and
asked prices as furnished by a professional market maker making a market in the
Rights selected by the Board of Directors of the Company. If on any such date no
such market maker is making a market in the Rights, the fair value of the Rights
on such date as determined in good faith by the Board of Directors of the
Company shall be used.

              (b) The Company shall not be required to issue fractions of
         Preferred 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). Interests in
         fractions of Preferred Stock in integral multiples of one one-hundredth
         of a share of Preferred Stock may, at the election of the Company, be
         evidenced by depositary receipts, pursuant to an appropriate agreement
         between the Company and a depositary selected by it; provided, that
         such agreement shall provide that the holders of such depositary
         receipts shall have all the rights, privileges and preferences to which
         they are entitled as beneficial owners of the Preferred Stock
         represented by such depositary receipts. In lieu of fractional shares
         of Preferred Stock that are not integral multiples of one one-hundredth
         of a


                                       44

<PAGE>


         share of Preferred Stock, the Company shall pay to the registered
         holders of Right Certificates at the time such Rights are exercised as
         herein provided an amount in cash equal to the same fraction of the
         current market value of one share of Preferred Stock. For the purposes
         of this Section 14(b), the current market value of a share of Preferred
         Stock shall be the closing price of a share of Preferred Stock (as
         determined pursuant to Section 11(d)(i) hereof) for the Trading Day
         immediately prior to the date of such exercise.

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

         Section 15. Rights of Action. All rights of action in respect of this
Agreement, excepting the rights of action given to the Rights Agent under
Section 18 hereof, are vested in the respective registered holders of the Right
Certificates (and, prior to the Distribution Date, the registered holders of the
Common Shares); and any registered holder of any Right Certificate (or, prior to
the Distribution Date, of the Common Shares), without the consent of the Rights
Agent or of the holder of any other Right Certificate (or, prior to the
Distribution Date, of the Common Shares), on his own behalf and for his own
benefit, may enforce, and may institute and maintain any suit, action or
proceeding against the Company to enforce, or otherwise act in respect of, his
right to exercise the Rights evidenced by such Right Certificate (or, prior to
the Distribution Date, such Common Shares) in the manner provided in such Right
Certificate and in this Agreement. Without limiting the foregoing or any
remedies available to the holders of Rights, it is specifically acknowledged
that the holders of Rights would not have an adequate remedy at law for any
breach of this Agreement and will be entitled to specific performance of the


                                       45

<PAGE>


obligations under, and injunctive relief against actual or threatened violations
of, the obligations of any Person subject to this Agreement.

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

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

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

              (c) the Company and the Rights Agent may deem and treat the Person
         in whose name the Right Certificate (or, prior to the Distribution
         Date, the Common Share certificate) is registered as the absolute owner
         thereof and of the Rights evidenced thereby (notwithstanding any
         notations of ownership or writing on the Right Certificates or the
         Common Share certificate made by anyone other than the Company or the
         Rights Agent) for all purposes whatsoever, and neither the Company nor
         the Rights Agent shall be affected by any notice to the contrary.

         Section 17. Right Certificate Holder Not Deemed a Stockholder. No
holder, as such, of any Right Certificate shall be entitled to vote, receive
dividends or be deemed for any purpose the holder of the Preferred 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 Right Certificate be construed to confer upon the holder of any Right


                                       46

<PAGE>


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 this Agreement), or to receive dividends or
subscription rights, or otherwise, until the Rights evidenced by such Right
Certificate shall have been exercised in accordance with the provisions hereof.

         Section 18. Concerning the Rights Agent. (a) The Company agrees to pay
to the Rights Agent reasonable compensation for all services rendered by it
hereunder and, from time to time, on demand of the Rights Agent, its reasonable
expenses and counsel fees and other disbursements incurred in the administration
and execution of this Agreement and the exercise and performance of its duties
hereunder. The Company also agrees to indemnify the Rights Agent for, and to
hold it harmless against, any loss, liability or expense, incurred without
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 arising therefrom, directly or
indirectly.

              (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 Right Certificate or certificate for the Preferred
         Stock or Common Shares or for other securities of the Company,
         instrument of assignment or transfer, power of attorney, endorsement,
         affidavit, letter, notice, direction, consent, certificate, statement,
         or other paper or document believed by it to be genuine and to be
         signed, executed and, where


                                       47

<PAGE>


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

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

              (b) In case at any time the name of the Rights Agent shall be
         changed and at such time any of the Right Certificates shall have been
         countersigned but not delivered the Rights Agent may adopt the
         countersignature under its prior name and deliver Right Certificates so
         countersigned; and in case at that time any of the Right Certificates
         shall not have been


                                       48

<PAGE>


countersigned, the Rights Agent may countersign such Right Certificates either
in its prior name or in its changed name and in all such cases such Right
Certificates shall have the full force provided in the Right Certificates and in
this Agreement.

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

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

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

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

              (d) The Rights Agent shall not be liable for or by reason of any
         of the statements of fact or recitals contained in this Agreement or in
         the Right Certificates


                                       49

<PAGE>


         (except its countersignature thereof) or be required to verify the
         same, but all such statements and recitals are and shall be deemed to
         have been made by the Company only.

              (e) The Rights Agent shall not be under any responsibility in
         respect of the validity of this Agreement or the execution and delivery
         hereof (except the due execution hereof by the Rights Agent) or in
         respect of the validity or execution of any Right Certificate (except
         its countersignature thereof); nor shall it be responsible for any
         breach by the Company of any covenant or condition contained in this
         Agreement or in any Right Certificate; nor shall it be responsible for
         any change in the exercisability of the Rights (including the Rights
         becoming void pursuant to Section 11(a)(ii) hereof) or any adjustment
         in the terms of the Rights (including the manner, method or amount
         thereof) provided for in Sections 3, 11, 13, 23 and 24, or the
         ascertaining of the existence of facts that would require any such
         change or adjustment (except with respect to the exercise of Rights
         evidenced by Right Certificates after receipt of a certificate
         furnished pursuant to Section 12, describing such change or
         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 Preferred Stock or other securities to be issued pursuant
         to this Agreement or any Right Certificate or as to whether any shares
         of Preferred Stock or other securities will, when issued, be validly
         authorized and issued, fully paid and nonassessable.

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


                                       50
<PAGE>

          (g) The Rights Agent is hereby authorized and directed to accept
     instructions with respect to the performance of its duties hereunder from
     any person reasonably believed by the Rights Agent to be one of the
     President, the Chief Financial Officer or the Secretary of the Company, and
     to apply to such officers for advice or instructions in connection with its
     duties, and it shall not be liable for any action taken or suffered by it
     in good faith in accordance with instructions of any such officer or for
     any delay in acting while waiting for those instructions. Any application
     by the Rights Agent for written instructions from the Company may, at the
     option of the Rights Agent, set forth in writing any action proposed to be
     taken or omitted by the Rights Agent under this Agreement and the date on
     and/or after which such action shall be taken or such omission shall be
     effective. The Rights Agent shall not be liable for any action taken by, or
     omission of, the Rights Agent in accordance with a proposal included in any
     such application on or after the date specified in such application (which
     date shall not be less than five Business Days after the date any officer
     of the Company actually receives such application, unless any such officer
     shall have consented in writing to an earlier date) unless, prior to taking
     any such action (or the effective date in the case of an omission), the
     Rights Agent shall have received written instructions in response to such
     application specifying the action to be taken or omitted.

          (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

                                       51

<PAGE>

     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 reasonable care was
     exercised in the selection and continued employment thereof.

          (j) If, with respect to any Rights Certificate surrendered to the
     Rights Agent for exercise or transfer, the certificate contained in the
     form of assignment or the form of election to purchase set forth on the
     reverse thereof, as the case may be, has not been completed to certify the
     holder is not an Acquiring Person (or an Affiliate or Associate thereof),
     the Rights Agent shall not take any further action with respect to such
     requested exercise or transfer without first consulting with the Company.

          Section 21. Change of Rights Agent. The Rights Agent or any successor
Rights Agent may resign and be discharged from its duties under this Agreement
upon 30 days' notice in writing mailed to the Company and to each transfer agent
of the Common Shares or Preferred Stock by registered or certified mail, and,
following the Distribution Date, to the holders of the Right Certificates by
first-class mail. The Company may remove the Rights Agent or any successor
Rights Agent upon 30 days' notice in writing, mailed to the Rights Agent or
successor Rights Agent, as the case may be, and to each transfer agent of the
Common Shares or Preferred Stock by registered or certified mail, and, following
the Distribution Date, to the holders of the Right Certificates by first-class
mail. If the Rights Agent shall resign or be removed or shall

                                       52
<PAGE>


otherwise become incapable of acting, the Company shall appoint a successor to
the Rights Agent. If the Company shall fail to make such appointment within a
period of 30 days after giving notice of such removal or after it has been
notified in writing of such resignation or incapacity by the resigning or
incapacitated Rights Agent or by the holder of a Right Certificate (who shall,
with such notice, submit his Right Certificate for inspection by the Company),
then the registered holder of any Right Certificate may apply to any court of
competent jurisdiction for the appointment of a new Rights Agent. Any successor
Rights Agent, whether appointed by the Company or by such a court, shall be a
corporation organized and doing business under the laws of the United States or
any State thereof, which is authorized under such laws to exercise corporate
trust or stock transfer powers and is subject to supervision or examination by
federal or state authority and which has at the time of its appointment as
Rights Agent a combined capital and surplus of at least $50 million. After
appointment, the successor Rights Agent shall be vested with the same powers,
rights, duties and responsibilities as if it had been originally named as Rights
Agent without further act or deed; but the predecessor Rights Agent shall
deliver and transfer to the successor Rights Agent any property at the time held
by it hereunder, and execute and deliver any further assurance, conveyance, act
or deed necessary for the purpose. Not later than the effective date of any such
appointment the Company shall file notice thereof in writing with the
predecessor Rights Agent and each transfer agent of the Common Shares or
Preferred Stock, and, following the Distribution Date, mail a notice thereof in
writing to the registered holders of the Right Certificates. Failure to give any
notice provided for in this Section 21, 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.

                                       53

<PAGE>

          Section 22. Issuance of New Right Certificates. Notwithstanding any of
the provisions of this Agreement or of the Rights to the contrary, the Company
may, at its option, issue new Right Certificates evidencing Rights in such forms
as may be approved by its Board of Directors to reflect any adjustment or change
in the Purchase Price and the number or kind or class of shares or other
securities or property purchasable under the Right Certificates made in
accordance with the provisions of this Agreement. In addition, in connection
with the issuance or sale of Common Shares following the Distribution Date and
prior to the earlier of the Redemption Date and the Final Expiration Date, the
Company may with respect to such Common Shares so issued or sold pursuant to (i)
the exercise of stock options, (ii) under any employee plan or arrangement,
(iii) upon the exercise, conversion or exchange of securities, notes or
debentures issued by the Company or (iv) a contractual obligation of the Company
in each case existing prior to the Distribution Date, issue Rights Certificates
representing the appropriate number of Rights in connection with such issuance
or sale.

          Section 23. Redemption. (a) The Board of Directors of the Company may,
at any time prior to such time as any Person first becomes an Acquiring Person,
redeem all but not less than all the then outstanding Rights at a redemption
price of $.01 per Right, appropriately adjusted to reflect any stock split,
stock dividend or similar transaction occurring after the date hereof (the
redemption price being hereinafter referred to as the "Redemption Price"). The
redemption of the Rights may be made effective at such time, on such basis and
with such conditions as the Board of Directors in its sole discretion may
establish. The Company may, at its option, pay the Redemption Price in cash,
Common Shares (based on the current market price of the Common Shares at the
time of redemption) or any other form of consideration deemed appropriate by the
Board of Directors.

                                       54

<PAGE>

          (b) Immediately upon the action of the Board of Directors ordering the
redemption of the Rights pursuant to paragraph (a) of this Section 23 (or at
such later time as the Board of Directors may establish for the effectiveness of
such redemption), and without any further action and without any notice, the
right to exercise the Rights will terminate and the only right thereafter of the
holders of Rights shall be to receive the Redemption Price. The Company shall
promptly give public notice of any such redemption; provided, however, that the
failure to give, or any defect in, any such notice shall not affect the validity
of such redemption. Within 10 days after such action of the Board of Directors
ordering the redemption of the Rights (or such later time as the Board of
Directors may establish for the effectiveness of such redemption), the Company
shall mail a notice of redemption to all the holders of the then outstanding
Rights at their last addresses as they appear upon the registry books of the
Rights Agent or, prior to the Distribution Date, on the registry books of the
transfer agent for the Common Shares. Any notice which is mailed in the manner
herein provided shall be deemed given, whether or not the holder receives the
notice. Each such notice of redemption shall state the method by which the
payment of the Redemption Price will be made.

          Section 24. Exchange. (a) The Board of Directors of the Company, may,
at its option, at any time after any Person first becomes an Acquiring Person,
exchange all or part of the then outstanding and exercisable Rights (which shall
not include Rights that have become void pursuant to the provisions of Section
11(a)(ii) hereof) for Common Shares (or, at the Company's option, Preferred
Stock) at an exchange ratio of one Common Share (or one one-hundredth of a share
of Preferred Stock) per Right, (such exchange ratio being hereinafter referred
to as the "Exchange Ratio"). Notwithstanding the foregoing, the Board of
Directors shall not be empowered to effect such exchange at any time (1) after
any Person (other than an

                                       55
<PAGE>


Exempt Person), together with all Affiliates and Associates of such Person,
becomes the Beneficial Owner of a number of Common Shares equal to 50% or more
of the number of Common Shares then outstanding or (2) after the occurrence of
an event specified in Section 13(a) hereof.

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

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

                                       56
<PAGE>


effort, be unable to take such action as may be necessary to authorize such
additional Common Shares, the Company shall substitute, to the extent of such
insufficiency, for each Common Share that would otherwise be issuable upon
exchange of a Right, a number of shares of Preferred Stock or fractions thereof
(or equivalent preferred shares as such term is defined in Section 11(b)) having
an aggregate current per share market price (determined pursuant to Section
11(d) hereof) equal to the current per share market price of Common Shares
(determined pursuant to Section 11(d) hereof) as of the date of issuance of such
shares of Preferred Stock or fractions thereof (or equivalent preferred shares).

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

          Section 25. Notice of Certain Events. (a) In case the Company shall at
any time after the earlier of the Distribution Date or the Stock Acquisition
Date propose (i) to pay any dividend payable in stock of any class to the
holders of its Preferred Stock or to make any other distribution to the holders
of its Preferred Stock (other than a regular quarterly cash dividend), (ii) to
offer to the holders of its Preferred Stock rights or warrants to subscribe for
or to purchase any additional shares of Preferred Stock or shares of stock of
any class or any other securities,

                                       57

<PAGE>

rights or options, (iii) to effect any reclassification of its Preferred Stock
(other than a reclassification involving only the subdivision of outstanding
Preferred Stock), (iv) to effect the liquidation, dissolution or winding up of
the Company, or (v) to declare or pay any dividend on the Common Shares payable
in Common Shares or to effect a subdivision, combination or consolidation of the
Common Shares (by reclassification or otherwise than by payment of dividends in
Common Shares), then, in each such case, the Company shall give to each holder
of a Right Certificate, in accordance with Section 26 hereof, a notice of such
proposed action, which shall specify the record date for the purposes of such
stock dividend, or distribution of rights or warrants, or the date on which such
liquidation, dissolution or winding up is to take place and the date of
participation therein by the holders of the Common Shares and/or Preferred
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 10 days prior to
the record date for determining holders of the Preferred Stock for purposes of
such action, and in the case of any such other action, at least 10 days prior to
the date of the taking of such proposed action or the date of participation
therein by the holders of the Common Shares and/or Preferred Stock, whichever
shall be the earlier.

          (b) In case any event described in Section 11(a)(ii) or Section 13
shall occur then the Company shall as soon as practicable thereafter give to
each holder of a Right Certificate (or if occurring prior to the Distribution
Date, the holders of the Common Shares) in accordance with Section 26 hereof, a
notice of the occurrence of such event, which notice shall describe such event
and the consequences of such event to holders of Rights under Section 11(a)(ii)
and Section 13 hereof.

                                       58
<PAGE>


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

                           Northwest Airlines Corporation
                           2700 Lone Oak Parkway
                           Eagan, Minnesota  55121
                           Attention: Secretary

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

                           Norwest Bank Minnesota, N.A.
                           161 North Concord Exchange
                           P.O. Box 738
                           Eagan, Minnesota  55121
                           Attention: Secretary

Notices or demands authorized by this Agreement to be given or made by the
Company or the Rights Agent to the holder of any Right Certificate shall be
sufficiently given or made if sent by first-class mail, postage prepaid,
addressed to such holder at the address of such holder as shown on the registry
books of the Company.

          Section 27. Supplements and Amendments. Except as otherwise provided
in this Section 27, for so long as the Rights are then redeemable, the Company
may in its sole and absolute discretion, and the Rights Agent shall if the
Company so directs, supplement or amend any provision of this Agreement in any
respect without the approval of any holders of the Rights. At any time when the
Rights are no longer redeemable, except as otherwise provided in this Section
27, the Company may, and the Rights Agent shall, if the Company so directs,

                                       59
<PAGE>

supplement or amend this Agreement without the approval of any holders of Rights
Certificates in order to (i) cure any ambiguity, (ii) correct or supplement any
provision contained herein which may be defective or inconsistent with any other
provisions herein, (iii) shorten or lengthen any time period hereunder, or (iv)
change or supplement the provisions hereunder in any manner which the Company
may deem necessary or desirable; provided that no such supplement or amendment
shall adversely affect the interests of the holders of Rights as such (other
than an Acquiring Person or an Affiliate or Associate of an Acquiring Person),
and no such amendment may cause the rights again to become redeemable or cause
the Agreement again to become amendable other than in accordance with this
sentence. Notwithstanding anything contained in this Agreement to the contrary,
no supplement or amendment shall be made that decreases the Redemption Price.
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.

          Section 28. Successors. All the covenants and provisions of this
Agreement by or for the benefit of the Company or the Rights Agent shall bind
and inure to the benefit of their respective successors and assigns hereunder.

          Section 29. Benefits of this Agreement. Nothing in this Agreement
shall be construed to give to any Person other than the Company, the Rights
Agent and the registered holders of the Right Certificates (and, prior to the
Distribution Date, the Common Shares) any legal or equitable right, remedy or
claim under this Agreement; but this Agreement shall be for the sole and
exclusive benefit of the Company, the Rights Agent and the registered holders of
the Right Certificates (and, prior to the Distribution Date, the Common Shares).

                                       60
<PAGE>

          Section 30. Severability. If any term, provision, covenant or
restriction of this Agreement or applicable to 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 af fected, impaired or invalidated.

          Section 31. Governing Law. This Agreement and each Right Certificate
issued hereunder shall be deemed to be a contract made under the laws of the
State of Delaware and for all purposes shall be governed by and construed in
accordance with the laws of such State applicable to contracts to be made and
performed entirely within such State.

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

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

                                       61
<PAGE>


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


Attest:                                 NORTHWEST AIRLINES CORPORATION



By /s/ Michael L. Miller                By /s/ Douglas M. Steenland
  --------------------------              --------------------------
  Name:  Michael L. Miller                Name:  Douglas M. Steenland
  Title: Associate General Counsel        Title: Executive Vice President,
         and Assistant Secretary                 General Counsel and 
                                                 Secretary


                                        NORWEST BANK MINNESOTA, N.A.

Attest:


By /s/ Suzanne Swits                    By /s/ Kenneth P. Swanson
  --------------------------              --------------------------
  Name:  Suzanne Swits                    Name:  Kenneth P. Swanson
  Title: Assistant Secretary              Title: Vice President


                                       62
<PAGE>

                                                                       Exhibit A

                                      FORM

                                       OF

                           CERTIFICATE OF DESIGNATIONS

                                       OF

                  SERIES D JUNIOR PARTICIPATING PREFERRED STOCK

                                       OF

                          NEWBRIDGE PARENT CORPORATION

             (which shall be renamed Northwest Airlines Corporation)

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

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

          Newbridge Parent Corporation, a corporation organized and existing
under the General Corporation Law of the State of Delaware (hereinafter called
the "Company"), hereby certifies that the following resolution was duly adopted
by the Board of Directors of the Company as required by Section 151 of the
General Corporation Law of the State of Delaware at a meeting duly called and
held on November 20, 1998:

          RESOLVED, that pursuant to the authority granted to and vested in the
Board of Directors of the Company (hereinafter called the "Board of Directors"
or the "Board") in accordance with the provisions of the Company's Certificate
of Incorporation, as amended to date (hereinafter called the "Certificate of
Incorporation"), the Board of Directors hereby creates a series of Preferred
Stock, par value $.01 per share (the "Preferred Stock"), of the Company and
hereby states the designation and number of shares, and fixes the relative
rights, powers and preferences thereof, and the limitations thereof, as follows:

          Section 1. Designation and Amount. The shares of such series shall be
designated as "Series D Junior Participating Preferred Stock" (the "Series D
Preferred Stock") and the number of shares constituting the Series D Preferred
Stock shall be 3,000,000. Such number of shares may be increased or decreased by
resolution of the Board of Directors; provided, that no decrease shall reduce
the number of shares of Series D Preferred Stock to a number less than the
number of shares then outstanding plus the number of shares reserved for
issuance upon the exercise of outstanding options, rights or warrants or upon
the conversion of any outstanding securities issued by the Company convertible
into Series D Preferred Stock.

                                       A-1

<PAGE>

          Section 2. Dividends and Distributions.

          (A) Subject to the rights of the holders of any shares of any series
of Preferred Stock of the Company (the "Preferred Stock") (or any similar stock)
ranking prior and superior to the Series D Preferred Stock with respect to
dividends, the holders of shares of Series D Preferred Stock, in preference to
the holders of Common Stock, par value $.01 per share of the Company (the
"Common Shares") and of any other stock of the Company ranking junior to the
Series D Preferred Stock, shall be entitled to receive, when, as and if declared
by the Board of Directors out of funds legally available for the purpose,
quarterly dividends payable in cash on the last day of January, April, July, and
October in each year (each such date being referred to herein as a "Dividend
Payment Date"), commencing on the first Dividend Payment Date after the first
issuance of a share or fraction of a share of Series D Preferred Stock, in an
amount per share (rounded to the nearest cent) equal to the greater of (a) $1 or
(b) subject to the provision for adjustment hereinafter set forth, 100 times the
aggregate per share amount of all cash dividends, and 100 times the aggregate
per share amount (payable in kind) of all non-cash dividends or other
distributions other than a dividend payable in Common Shares, declared on the
Common Shares since the immediately preceding Dividend Payment Date or, with
respect to the first Dividend Payment Date, since the first issuance of any
share or fraction of a share of Series D Preferred Stock. In the event the
Company shall at any time after November 20, 1998, declare or pay any dividend
on the Common Shares payable in Common Shares, or effect a subdivision or
combination or consolidation of the outstanding Common Shares (by
reclassification or otherwise than by payment of a dividend in Common Shares)
into a greater or lesser number of Common Shares, then in each such case the
amount to which holders of shares of Series D Preferred Stock were entitled
immediately prior to such event under clause (b) of the preceding sentence shall
be adjusted by multiplying such amount by a fraction, the numerator of which is
the number of Common Shares outstanding immediately after such event and the
denominator of which is the number of Common Shares that were outstanding
immediately prior to such event.

          (B) The Company shall declare a dividend or distribution on the Series
D Preferred Stock as provided in paragraph (A) of this Section immediately after
it declares a dividend or distribution on the Common Shares (other than a
dividend payable in shares of Common Shares); provided that, in the event no
dividend or distribution shall have been declared on the Common Shares during
the period between any Dividend Payment Date and the next subsequent Dividend
Payment Date, a dividend of $1 per share on the Series D Preferred Stock shall
nevertheless be payable, when, as and if declared, on such subsequent Dividend
Payment Date.

          (C) Dividends shall begin to accrue and be cumulative, whether or not
earned or declared, on outstanding shares of Series D Preferred Stock from the
Dividend Payment Date next preceding the date of issue of such shares, unless
the date of issue of such shares is prior to the record date for the first
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
Dividend Payment Date or is a date after the record date for the determination
of holders of shares of Series D Preferred Stock entitled to receive a quarterly
dividend and before such Dividend Payment Date, in either of which events such
dividends shall begin to accrue and be cumulative

                                       A-2

<PAGE>


from such Dividend Payment Date. Accrued but unpaid dividends shall not bear
interest. Dividends paid on the shares of Series D Preferred Stock in an amount
less than the total amount of such dividends at the time accrued and payable on
such shares shall be allocated pro rata on a share-by-share basis among all such
shares at the time outstanding. The Board of Directors may fix a record date for
the determination of holders of shares of Series D Preferred Stock entitled to
receive payment of a dividend or distribution declared thereon, which record
date shall be not more than 60 days prior to the date fixed for the payment
thereof.

          Section 3. Voting Rights. The holders of shares of Series D Preferred
Stock shall have the following voting rights:

          (A) Subject to the provision for adjustment hereinafter set forth and
     except as otherwise provided in the Certificate of Incorporation or
     required by law, each share of Series D Preferred Stock shall entitle the
     holder thereof to 100 votes on all matters upon which the holders of the
     Common Shares of the Company are entitled to vote. In the event the Company
     shall at any time after November 20, 1998, declare or pay any dividend on
     the Common Shares payable in Common Shares, or effect a subdivision or
     combination or consolidation of the outstanding Common Shares (by
     reclassification or otherwise than by payment of a dividend in Common
     Shares) into a greater or lesser number of Common Shares, then in each such
     case the number of votes per share to which holders of shares of Series D
     Preferred Stock were entitled immediately prior to such event shall be
     adjusted by multiplying such number by a fraction, the numerator of which
     is the number of Common Shares outstanding immediately after such event and
     the denominator of which is the number of Common Shares that were
     outstanding immediately prior to such event.

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

          (C) Except as set forth herein, or as otherwise provided by law,
     holders of Series D 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 Shares 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 D Preferred Stock as provided in Section 2 are in
     arrears, thereafter and until all accrued and unpaid dividends and
     distributions, whether or not earned or declared, on shares of Series D
     Preferred Stock outstanding shall have been paid in full, the Company shall
     not:

                                       A-3

<PAGE>

               (i) declare or pay dividends, or make any other distributions, on
          any shares of stock ranking junior (as to dividends) to the Series D
          Preferred Stock;

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

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

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

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

          Section 5. Reacquired Shares. Any shares of Series D Preferred Stock
purchased or otherwise acquired by the Company in any manner whatsoever shall be
retired and cancelled promptly after the acquisition thereof.

          Section 6. Liquidation, Dissolution or Winding Up. Upon any
liquidation, dissolution or winding up of the Company, no distribution shall be
made (A) to the holders of the Common Shares or of shares of any other stock of
the Company ranking junior, upon liquidation, dissolution or winding up, to the
Series D Preferred Stock unless, prior thereto, the holders of shares of Series
D Preferred Stock shall have received $100 per share, plus an amount equal to
accrued and unpaid dividends and distributions thereon, whether or not earned or
declared, to the date of such payment, provided that the holders of shares of
Series D Preferred Stock shall be entitled to receive an aggregate amount per
share, subject to the provision for adjustment hereinafter set forth, equal to
100 times the aggregate amount to be distributed per share to

                                       A-4

<PAGE>

holders of Common Shares, or (B) to the holders of shares of stock ranking on a
parity upon liquidation, dissolution or winding up with the Series D Preferred
Stock, except distributions made ratably on the Series D Preferred Stock and all
such parity stock in proportion to the total amounts to which the holders of all
such shares are entitled upon such liquidation, dissolution or winding up. In
the event the Company shall at any time after November 20, 1998 declare or pay
any dividend on the Common Shares payable in Common Shares, or effect a
subdivision or combination or consolidation of the outstanding Common Shares (by
reclassification or otherwise than by payment of a dividend in Common Shares)
into a greater or lesser number of Common Shares, then in each such case the
aggregate amount to which holders of shares of Series D Preferred Stock were
entitled immediately prior to such event under the proviso in clause (A) of the
preceding sentence shall be adjusted by multiplying such amount by a fraction
the numerator of which is the number of Common Shares outstanding immediately
after such event and the denominator of which is the number of Common Shares
that were outstanding immediately prior to such event.

          Section 7. Consolidation, Merger, etc. In case the Company shall enter
into any consolidation, merger, combination or other transaction in which the
Common Shares are converted into, exchanged for or changed into other stock or
securities, cash and/or any other property, then in any such case each share of
Series D Preferred Stock shall at the same time be similarly converted into,
exchanged for or changed into an amount per share (subject to the provision for
adjustment hereinafter set forth) equal to 100 times the aggregate amount of
stock, securities, cash and/or any other property (payable in kind), as the case
may be, into which or for which each Common Share is converted, exchanged or
converted. In the event the Company shall at any time after November 20, 1998
declare or pay any dividend on the Common Shares payable in Common Shares, or
effect a subdivision or combination or consolidation of the outstanding Common
Shares (by reclassification or otherwise than by payment of a dividend in Common
Shares) into a greater or lesser number of Common Shares, then in each such case
the amount set forth in the preceding sentence with respect to the conversion,
exchange or change of shares of Series D Preferred Stock shall be adjusted by
multiplying such amount by a fraction, the numerator of which is the number of
Common Shares outstanding immediately after such event and the denominator of
which is the number of Common Shares that were outstanding immediately prior to
such event.

          Section 8. No Redemption. The shares of Series D Preferred Stock shall
not be redeemable from any holder.

          Section 9. Rank. The Series D Preferred Stock shall rank, with respect
to the payment of dividends and the distribution of assets upon liquidation,
dissolution or winding up of the Company, junior to all other series of
Preferred Stock and senior to the Common Shares.

          Section 10. Amendment. If any proposed amendment to the Certificate of
Incorporation (including this Certificate of Designations) would alter, change
or repeal any of the preferences, powers or special rights given to the Series D
Preferred Stock so as to affect the Series D Preferred Stock adversely, then the
holders of the Series D Preferred Stock shall be entitled to vote separately as
a class upon such amendment, and the affirmative vote of two-thirds

                                       A-5


<PAGE>

of the outstanding shares of the Series D Preferred Stock, voting separately as
a class, shall be necessary for the adoption thereof, in addition to such other
vote as may be required by the General Corporation Law of the State of Delaware.















                                       A-6


<PAGE>

          IN WITNESS WHEREOF, this Certificate of Designations is executed on
behalf of the Company by its President and Chief Executive Officer and attested
by its Secretary this 20th day of November, 1998.



                                    ----------------------------------------
                                      President and Chief Executive Officer

Attest:

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



                                       A-7


<PAGE>

                                                                       Exhibit B

                            Form of Right Certificate

Certificate No. R- ____                                              ___ Rights

     NOT EXERCISABLE AFTER NOVEMBER 16, 2005 OR EARLIER IF REDEMPTION OR
     EXCHANGE OCCURS. THE RIGHTS ARE SUBJECT TO REDEMPTION AT $.01 PER RIGHT AND
     TO EXCHANGE ON THE TERMS SET FORTH IN THE RIGHTS AGREEMENT. UNDER CERTAIN
     CIRCUMSTANCES, AS SET FORTH IN THE RIGHTS AGREEMENT, RIGHTS OWNED BY OR
     TRANSFERRED TO ANY PERSON WHO BECOMES AN ACQUIRING PERSON (AS DEFINED IN
     THE RIGHTS AGREEMENT) AND CERTAIN TRANSFEREES THEREOF WILL BECOME NULL AND
     VOID AND WILL NO LONGER BE TRANSFERABLE.


                                Right Certificate

                         NORTHWEST AIRLINES CORPORATION

          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 November 20, 1998, as the same may be amended from time
to time (the "Rights Agreement"), between Northwest Airlines Corporation, a
Delaware corporation (the "Company"), and Norwest Bank Minnesota, N.A. (the
"Rights Agent"), to purchase from the Company at any time after the Distribution
Date (as such term is defined in the Rights Agreement) and prior to 5:00 P.M.,
New York City time, on November 16, 2005 at the office or agency of the Rights
Agent designated for such purpose, or of its successor as Rights Agent, one
one-hundredth of a fully paid non-assessable share of Series D Junior
Participating Preferred Stock, par value $.01 per share (the "Preferred Stock"),
of the Company, at a purchase price of $150 per one one-hundredth of a share of
Preferred Stock (the "Purchase Price"), upon presentation and surrender of this
Right Certificate with the Form of Election to Purchase duly executed. The
number of Rights evidenced by this Rights Certificate (and the number of one
one-hundredths of a share of Preferred Stock which may be purchased upon
exercise hereof) set forth above, and the Purchase Price set forth above, are
the number and Purchase Price as of November 16, 1995, based on the Preferred
Stock as constituted at such date (it being understood that at such date the
Preferred Stock was a security of Old Northwest (as defined in the Rights
Agreement) and not the Company). As provided in the Rights Agreement, the
Purchase Price, the number of one one-hundredths of a share of Preferred Stock
(or other securities or property) which may be purchased upon the exercise of
the Rights and the number of Rights evidenced by this Right Certificate are
subject to modification and adjustment upon the happening of certain events.

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

                                       B-1

<PAGE>


Agreement are on file at the principal executive offices of the Company and the
above-mentioned office or agency of the Rights Agent. The Company will mail to
the holder of this Right Certificate a copy of the Rights Agreement without
charge after receipt of a written request therefor.

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

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

          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.

          No holder of this Right Certificate, as such, shall be entitled to
vote or receive dividends or be deemed for any purpose the holder of the
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 or withhold consent to any corporate action, or to
receive notice of meetings or other actions affecting stockholders (except as
provided in the Rights Agreement) or to receive dividends or subscription
rights, or otherwise, until the Right or Rights evidenced by this Right
certificate shall have been exercised as provided in the Rights Agreement.

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

                                       B-2

<PAGE>

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

Dated:

ATTEST:                                NORTHWEST AIRLINES
                                       CORPORATION


By NORWEST BANK
   MINNESOTA, N.A.                     By
                                         ------------------
Countersigned:

- -----------------------,
as Rights Agent


By 
  ---------------------------
  Authorized Signature




                                       B-3


<PAGE>


                    Form of Reverse Side of Right Certificate

                               FORM OF ASSIGNMENT

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

          FOR VALUE RECEIVED _________________________ hereby sells, assigns and

transfer unto ___________________________

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

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

Dated: 
      ------------------


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

Signature Guaranteed:


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

- ------------------------------------------------------------
                              (To be completed)

          The undersigned hereby certifies that the Rights evidenced by this
Right Certificate are not beneficially owned by, were not acquired by the
undersigned from, and are not being assigned to, an Acquiring Person or an
Affiliate or Associate thereof (as defined in the Rights Agreement).



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


                                       B-4


<PAGE>


              Form of Reverse Side of Right Certificate - continued

                          FORM OF ELECTION TO PURCHASE

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

To Northwest Airlines Corporation:

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

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

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

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

Please insert social security
or other identifying number

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

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


Dated: 
      -----------------------
                                               ------------------------
                                                    Signature
(Signature must conform to holder specified on Right Certificate)

Signature Guaranteed:

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


                                       B-5


<PAGE>

             Form of Reverse Side of Right Certificate -- continued

                                (To be completed)
- -----------------------------------------------------------------------

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


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

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

                                     NOTICE

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

          In the event the certification set forth above in the Form of
Assignment or the Form of Election to Purchase, as the case may be, is not
completed, such Assignment or Election to Purchase will not be honored.



                                       B-6


<PAGE>


     UNDER CERTAIN CIRCUMSTANCES, AS SET FORTH IN THE RIGHTS AGREEMENT, RIGHTS
     OWNED BY OR TRANSFERRED TO ANY PERSON WHO BECOMES AN ACQUIRING PERSON (AS
     DEFINED IN THE RIGHTS AGREEMENT) AND CERTAIN TRANSFEREES THEREOF WILL
     BECOME NULL AND VOID AND WILL NO LONGER BE TRANSFERABLE.

                          SUMMARY OF RIGHTS TO PURCHASE
                            Shares of Preferred Stock

          On November 20, 1998, the Board of Directors of Northwest Airlines
Corporation, a Delaware corporation (formerly Newbridge Parent Corporation) (the
"Company"), authorized and declared a dividend of one preferred share purchase
right (a "Right") for each outstanding share of Common Stock, par value $.01 per
share, of the Company (the "Common Shares"). The dividend is payable to the
stockholders of record as of the time of filing of the Amended and Restated
Agreement and Plan of Merger, dated as of October 30, 1998, among Northwest
Airlines Holdings Corporation, a Delaware corporation (formerly Northwest
Airlines Corporation), the Company and Newbridge Merger Corporation, a Delaware
corporation, is filed with the Secretary of State of the State of Delaware (the
"Record Date"). Each Right entitles the registered holder to purchase from the
Company one one-hundredth of a share of Series D Junior Participating Preferred
Stock, par value $.01 per share (the "Preferred Stock") of the Company at a
price of $150 per one one-hundredth of a share of Preferred Stock (as the same
may be adjusted, the "Purchase Price"). The description and terms of the Rights
are set forth in a Rights Agreement dated as of November 20, 1998, as the same
may be amended from time to time (the "Rights Agreement"), between the Company
and Norwest Bank Minnesota, N.A., as Rights Agent (the "Rights Agent").

          Until the earlier to occur of (i) 10 days following a public 
announcement that a person or group of affiliated or associated persons (an 
"Acquiring Person") have acquired beneficial ownership of a number of Common 
Shares equal to 19% or more (25% or more in the case of certain Institutional 
Investors (as such term is defined in the Rights Agreement)) of the sum of 
(a) the Common Shares then issued and outstanding, (b) all Common Shares 
issuable upon conversion of all the shares of Series C Preferred Stock, par 
value $.01 per share ("Series C Preferred Stock"), then issued and 
outstanding, (c) all Common Shares issuable upon the exercise of all employee 
stock options issued and outstanding as of November 16, 1995 and (d) any 
other Common Shares not then actually issued and outstanding but which such 
Person would be deemed to beneficially own under the Rights Agreement 
(together, the "outstanding Common Shares"); provided, however, that if a 
Person would be deemed an Acquiring Person upon the adoption of the Rights 
Agreement, such Person will not be deemed an "Acquiring Person" for any 
purposes of the Rights Agreement unless and until such Person acquires 
beneficial ownership of any additional Common Shares after the date of the 
adoption of the Rights Agreement unless upon the consummation of the 
acquisition of such additional Common Shares such Person does not 
beneficially own a number of Common Shares equal to 19% or more (25% or more 
in the case of certain Institutional Investors) of the outstanding Common 
Shares or (ii) 10 business days (or such later date as may be determined by 
action of the Board of Directors prior to such time as any person or group of 
affiliated persons becomes an Acquiring Person) following the commencement 
of, or announcement of an intention to make, a tender offer or exchange offer 
the consummation of which would result in the beneficial ownership by a 
person or group of a number of Common Shares equal to 19% or more (25% or

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more in the case of certain Institutional Investors) of the number of
outstanding Common Shares (the earlier of such dates being called the
"Distribution Date"), the Rights will be evidenced, with respect to any of the
Common Share certificates outstanding as of the Record Date, by such Common
Share certificate together with a copy of the Summary of Rights distributed to
each holder of Common Shares (the "Summary of Rights").

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

          The Rights are not exercisable until the Distribution Date. The Rights
will expire on November 16, 2005 (the "Final Expiration Date"), unless the Final
Expiration Date is extended or unless the Rights are earlier redeemed or
exchanged by the Company, in each case as described below.

          The Purchase Price payable, and the number of shares 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) upon the grant to holders of the Preferred Stock of
certain rights or warrants to subscribe for or purchase Preferred Stock at a
price, or securities convertible into Preferred Stock with a conversion price,
less than the then-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 periodic cash dividends or dividends payable in
Preferred Stock) or of subscription rights or warrants (other than those
referred to above).

          The number of outstanding Rights are also subject to adjustment in the
event of a stock split of the Common Shares or a stock dividend on the Common
Shares payable in Common Shares or subdivisions, consolidations or combinations
of the Common Shares occurring, in any such case, prior to the Distribution
Date.

          Shares of Preferred Stock purchasable upon exercise of the Rights will
not be redeemable. Each share of Preferred Stock will be entitled, when, as and
if declared, to a minimum preferential quarterly dividend payment of $1 per
share but will be entitled to an aggregate dividend of 100 times the dividend
declared per share of Common Stock. In the event of liquidation, the holders of
the Preferred Stock will be entitled to a minimum preferential

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<PAGE>

liquidation payment of $100 per share (plus any accrued but unpaid dividends)
but will be entitled to an aggregate payment of 100 times the payment made per
share of Common Stock. Each share of Preferred Stock will have 100 votes, voting
together with the Common Stock. Finally, in the event of any merger,
consolidation or other transaction in which shares of Common Stock are converted
or exchanged, each share of Preferred Stock will be entitled to receive 100
times the amount received per share of Common Stock. These rights are protected
by customary antidilution provisions.

          In the event that any person or group of affiliated or associated
persons becomes an Acquiring Person, each holder of a Right, other than Rights
beneficially owned by the Acquiring Person (which will thereupon become void),
will thereafter have the right to receive upon exercise of a Right at the then
current exercise price of the Right, that number of Common Shares (or one
one-hundredths of a share of Preferred Stock) having a market value of two times
the exercise price of the Right.

          In the event that, after a person or group has become an Acquiring
Person, the Company is acquired in a merger or other business combination
transaction or 50% or more of its consolidated assets or earning power are sold,
proper provision will be made so that each holder of a Right (other than Rights
beneficially owned by an Acquiring Person which will have become void) will
thereafter have the right to receive, upon the exercise thereof at the then
current exercise price of the Right, that number of shares of common stock of
the person with whom the Company has engaged in the foregoing transaction (or
its parent), which number of shares at the time of such transaction will have a
market value of two times the exercise price of the Right.

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

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

          At any time prior to the time an Acquiring Person becomes such, the
Board of Directors of the Company may redeem the Rights in whole, but not in
part, at a price of $.01 per Right (the "Redemption Price"). Immediately upon
any redemption of the Rights, the right to

                                       C-3

<PAGE>

exercise the Rights will terminate and the only right of the holders of Rights
will be to receive the Redemption Price.

          For so long as the Rights are then redeemable, the Company may amend
the Rights in any manner except that it may not decrease the redemption price.
After the Rights are no longer redeemable the Company may, except with respect
to the Redemption Price, amend the Rights in any manner that does not adversely
affect the interests of holders of the Rights.

          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.

          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, as the
same may be amended from time to time, which is hereby incorporated herein by
reference.

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