EMISPHERE TECHNOLOGIES INC
8-A12G, 1996-10-22
PHARMACEUTICAL PREPARATIONS
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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 (G) OF THE SECURITIES EXCHANGE ACT OF 1934



                       EMISPHERE TECHNOLOGIES, INC.
          (Exact Name of Registrant as Specified in its Charter)


           DELAWARE                                  13-3306985
  (State of Incorporation or                      (I.R.S. Employer
         Organization)                           Identification no.)

       15 SKYLINE DRIVE
      HAWTHORNE, NEW YORK                               10532
(Address of principal executive offices)              (zip code)




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


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

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

             None                              None

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

             PREFERRED      STOCK      PURCHASE     RIGHTS

                         (Title of class)


                                     
<PAGE>

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

             On February 23, 1996, the  Board of Directors of Emisphere
        Technologies, Inc. (the "Company")  declared  a dividend of one
        preferred share purchase right (a "Right") for each outstanding
        share  of common stock, par value $.01 per share  (the  "Common
        Shares"), of the Company.  The dividend is payable on March 15,
        1996 (the  "Record  Date") to the stockholders of record at the
        close  of business on  that  date.   Each  Right  entitles  the
        registered  holder  to  purchase  from  the  Company  one  one-
        hundredth   of   a  share  of  Series  A  Junior  Participating
        Cumulative Preferred  Stock,  par  value  $.01  per  share (the
        "Preferred Shares"), of the Company at a price of $80  per  one
        one-hundredth  of  a  Preferred  Share  (the "Purchase Price"),
        subject to adjustment.  The description and terms of the Rights
        are  set forth in a Rights Agreement (the  "Rights  Agreement")
        between  the  Company  and  Continental  Stock Transfer & Trust
        Company, 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 20% or more of the outstanding  Common
        Shares or (ii)  10  business days (or such later date as may be
        determined by action  of  the  Board of Directors 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 20% or more of the
        outstanding Common  Shares  (the  earlier  of  such dates being
        called the "Distribution Date"), the Rights will  be evidenced,
        with   respect   to   any  of  the  Common  Share  certificates
        outstanding  as  of  the Record  Date,  by  such  Common  Share
        certificate with a copy  of  this  Summary  of  Rights attached
        thereto.

             The Rights Agreement provides that, until the Distribution
        Date (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 issuance  of  Common
        Shares   will  contain  a  notation  incorporating  the  Rights
        Agreement  by  reference.   Until  the  Distribution  Date  (or
        earlier  redemption or expiration of the Rights), the surrender
        for transfer  of any certificates for Common Shares outstanding
        as of the Record  Date, even without such notation or a copy of
        this  Summary  of Rights  being  attached  thereto,  will  also
        constitute the transfer  of  the  Rights  associated  with  the
        Common  Shares  represented  by  such  certificate.  As soon as
        practicable   following   the   Distribution   Date,   separate
        certificates evidencing the Rights ("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 February 23, 2006 (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 Preferred
        Shares or other securities or property issuable, upon  exercise
        of  the  Right  are subject to adjustment from time to time  to
        prevent dilution  (i) in the event of a stock dividend on, or a
        subdivision, combination  or reclassification of, the Preferred
        Shares, (ii) upon the grant  to holders of the Preferred Shares
        of certain rights or warrants  to  subscribe  for  or  purchase
        Preferred  Shares  with  a conversion price less than the then-
        current market price of the  Preferred Shares or (iii) upon the
        distribution to holders of the Preferred Shares of evidences of
        indebtedness  or  assets  (excluding   regular   periodic  cash
        dividends  paid  out  of  earnings  or  retained  earnings   or
        dividends  payable  in  Preferred  Shares)  or  of subscription
        rights or warrants (other than those referred to above).

             The  number  of outstanding Rights and the number  of  one
        one-hundredths of a  Preferred  Share issuable upon exercise of
        each Right are also subject to adjustment  in  the  event  of a
        stock  split  of  the  Common Shares or a stock dividend on the
        Common  Shares payable 

                                     -2-
<PAGE>

        in   Common  Shares  or  subdivisions, consolidations or 
        combinations  of the Common Shares occurring, in any such case, 
        prior to the Distribution Date.

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

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

             In the event that the Company is  acquired  in a merger or
        other  business combination transaction or 50% or more  of  its
        consolidated assets or earning power are sold after a person or
        group has  become an Acquiring Person, proper provision will be
        made so that  each  holder  of a Right will thereafter have the
        right to receive, upon the exercise thereof at the then current
        exercise price of the Right,  that  number  of shares of common
        stock  of  the  acquiring  company  which at the time  of  such
        transaction will have a market value  of two times the exercise
        price of the Right.  In the event that  any  person or group of
        affiliated  or associated persons becomes an Acquiring  Person,
        proper provision  shall be made so that each holder of a Right,
        other than Rights beneficially  owned  by  the Acquiring Person
        (which will thereafter be void), will thereafter have the right
        to receive upon exercise such number of one one-hundredths of a
        Preferred  Share  as  shall  equal the result obtained  by  (x)
        multiplying the then current Purchase  Price  by  the number of
        one  one-hundredths of a Preferred Share for which a  Right  is
        then exercisable  and  dividing  that product by (y) 50% of the
        then current per share market price  of  the  Company's  Common
        Shares.

             At any time after any person or group becomes an Acquiring
        Person and prior to the acquisition by such person or group  of
        50%  or  more  of  the  outstanding Common Shares, the Board of
        Directors of the Company  may  exchange  the Rights (other than
        Rights  owned by such person or group which  will  have  become
        void), in  whole  or  in  part, for consideration consisting of
        one-half the securities of  the  Company that would be issuable
        at such time upon exercise of one Right.

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

             At  any  time  prior  to  the  tenth   day  following  the
        acquisition  by a person or group of affiliated  or  associated
        persons  of  beneficial   ownership  of  20%  or  more  of  the
        outstanding  Common Shares,  the  Board  of  Directors  of  the
        Company may redeem  the  Rights in whole, but not in part, at a
        price  of $.01 per Right (the  "Redemption  Price");  PROVIDED,
        HOWEVER,  that,  for  the  120-day  period  after any date of a
        change  (resulting from a proxy or consent solicitation)  in  a
        majority  of the Board of Directors of the Company in office at
        the commencement  of  such solicitation, the Rights may only be
        redeemed if (A) there are  directors then in office who were in
        office at the commencement of  such  solicitation  and  (B) the
        Board  of  Directors of the Company, with the concurrence of  a
        majority of such directors then in office, determines that such
        redemption is,  in their judgment, in the best interests of the
        Company and its stockholders.  The Redemption of the Rights may
        be  made effective  at  such  time  on  such  basis  with  such
        conditions as the Board of Directors in its sole discretion may

                                     -3-
<PAGE>

        establish.   Immediately upon any redemption of the Rights, the
        right to exercise  the Rights will terminate and the only right
        of the holders of Rights  will  be  to  receive  the Redemption
        Price.

             The  terms  of the Rights may be amended by the  Board  of
        Directors of the Company  without the consent of the holders of
        the Rights, except that from  and  after a Distribution Date no
        such  amendment  may  adversely affect  the  interests  of  the
        holders of the Rights.

             Until a Right is exercised,  the  holder thereof, as such,
        will have no rights as a stockholder of the Company, including,
        without limitation, the right to vote or to receive dividends.
             This summary description of the Rights does not purport to
        be complete and is qualified in its entirety  by  reference  to
        the  Rights  Agreement,  which is hereby incorporated herein by
        reference.

             As of February 23, 1996,  there  were  8,370,512 shares of
        Common Stock outstanding (as well as a further 2,815,389 shares
        reserved  for  issuance  upon  exercise  of  outstanding  stock
        options).  Each outstanding share of Common Stock  at the close
        of business on the Record Date will receive one Right.  As long
        as  the  Rights  are attached to the Common Stock, the  Company
        will issue one Right  with  each  new  share of Common Stock so
        that all such shares will have attached rights.

             The Rights have certain anti-takeover effects.  The Rights
        will  cause  substantial  dilution to a person  or  group  that
        attempts to acquire the Company  without conditioning the offer
        on the Rights being redeemed or a  substantial number of Rights
        being acquired.  However, the Rights  should not interfere with
        any tender offer or merger approved by  the Company (other than
        with  an  Acquiring Person) because the Rights  do  not  become
        exercisable  in  the  event  of  an acquisition exempted by the
        Company's Board of Directors.

             Attached hereto as Exhibit 1  and  incorporated  herein by
        reference  are  copies of the Rights Agreement and the exhibits
        thereto, as follows:  Exhibit  A -- Certificate of Designations
        of  the  Series  A  Junior Participating  Cumulative  Preferred
        Stock; Exhibit B -- Form of Rights Certificate; and Exhibit C -
        -  Summary  of  Rights  to   Purchase  Preferred  Shares.   THE
        FOREGOING  DESCRIPTION  OF  THE  RIGHTS  IS  QUALIFIED  IN  ITS
        ENTIRETY BY REFERENCE TO THE RIGHTS AGREEMENT AND SUCH EXHIBITS
        THERETO.

        ITEM 2.   EXHIBITS

        Exhibit 1. Rights Agreement, dated  as  of February 23, 1996, by
                  and   between   Emisphere  Technologies,   Inc.   and
                  Continental Stock  Transfer & Trust Company as Rights
                  Agent, which includes  the  form  of  Certificate  of
                  Designations  setting forth the terms of the Series A
                  Junior Participating  Cumulative Preferred Stock, par
                  value $0.01 per share,  as  Exhibit  A,  the  form of
                  Right  Certificate  as  Exhibit B and the Summary  of
                  Rights to Purchase Preferred Shares as Exhibit C.



                                        -4-

<PAGE>
                                   SIGNATURE

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

                                      EMISPHERE TECHNOLOGIES, INC.



                                      By: /S/  MICHAEL  M.  GOLDBERG

                                           Michael M. Goldberg, M.D.
                                           Chairman and Chief
                                           Executive Officer


        Date:  March 5, 1996



                                        -5-












                      EMISPHERE TECHNOLOGIES, INC.

                                  and

               CONTINENTAL STOCK TRANSFER & TRUST COMPANY


                            Rights Agreement

                     Dated as of February 23, 1996



                                     
<PAGE>

                            TABLE OF CONTENTS


                                                                      PAGE

    Section 1.    CERTAIN DEFINITIONS.................................  1

    Section 2.    APPOINTMENT OF RIGHTS AGENT.........................  7

    Section 3.    ISSUE OF RIGHT CERTIFICATES.........................  7

    Section 4.    FORM OF RIGHT CERTIFICATES..........................  8

    Section 5.    COUNTERSIGNATURE AND REGISTRATION...................  9

    Section 6.    TRANSFER, SPLIT UP, COMBINATION AND EXCHANGE OF 
                  RIGHT CERTIFICATES; MUTILATED, DESTROYED, LOST OR 
                  STOLEN RIGHT CERTIFICATES  9......................... 9

    Section 7.    EXERCISE OF RIGHTS; PURCHASE PRICE; EXPIRATION 
                  DATE OF RIGHTS 10................................... 10

    Section 8.    CANCELLATION AND DESTRUCTION OF RIGHT CERTIFICATES.. 11

    Section 9.    AVAILABILITY OF PREFERRED SHARES.................... 12

    Section 10.   PREFERRED SHARES RECORD DATE....................... 13

    Section 11.   ADJUSTMENT OF PURCHASE PRICE, NUMBER OF SHARES OR 
                  NUMBER OF RIGHTS....................................13

    Section 12.   CERTIFICATE OF ADJUSTED PURCHASE PRICE OR 
                  NUMBER OF SHARES................................... 20

    Section 13.   CONSOLIDATION, MERGER OR SALE OR TRANSFER OF 
                  ASSETS OR EARNING POWER............................ 20

    Section 14.   FRACTIONAL RIGHTS AND FRACTIONAL SHARES............ 23

    Section 15.   RIGHTS OF ACTION................................... 24

    Section 16.   AGREEMENT OF RIGHT HOLDERS......................... 24

                                     -i-
<PAGE>


    Section 17.   RIGHT CERTIFICATE HOLDER NOT DEEMED A STOCKHOLDER.. 25

    Section 18.   CONCERNING THE RIGHTS AGENT........................ 25

    Section 19.   MERGER OR CONSOLIDATION OR CHANGE OF NAME OF 
                  RIGHTS AGENT....................................... 26

    Section 20.   DUTIES OF RIGHTS AGENT............................. 26

    Section 21.   CHANGE OF RIGHTS AGENT............................. 28

    Section 22.   ISSUANCE OF ADDITIONAL RIGHTS AND NEW RIGHT 
                  CERTIFICATES....................................... 29

    Section 23.   REDEMPTION......................................... 29

    Section 24.   EXCHANGE........................................... 30

    Section 25.   NOTICE OF CERTAIN EVENTS........................... 31

    Section 26.   NOTICES............................................ 32

    Section 27.   SUPPLEMENTS AND AMENDMENTS......................... 32

    Section 28.   SUCCESSORS......................................... 33

    Section 29.   BENEFITS OF THIS AGREEMENT......................... 33

    Section 30.   SEVERABILITY....................................... 34

    Section 31.   GOVERNING LAW...................................... 34

    Section 32.   COUNTERPARTS....................................... 34

    Section 33.   DESCRIPTIVE HEADINGS............................... 34

    Section 34.   TERMINATION........................................ 35

    Signatures    ................................................... 37

    Exhibit A  -  Form of Certificate of Designations

                                     -ii-
<PAGE>


    Exhibit B  -  Form of Right Certificate

    Exhibit C  -  Summary of Rights to Purchase Preferred Shares


                                     -iii-
<PAGE>


               Agreement, dated as of February 23, 1996, between Emisphere
    Technologies,  Inc.,  a  Delaware  corporation  (the  "Company"),  and
    Continental Stock Transfer & Trust Company (the "Rights Agent").

               The  Board  of Directors of the Company has authorized  and
    declared  a dividend of one preferred share purchase right (a "Right")
    for  each  Common  Share  (as  hereinafter  defined)  of  the  Company
    outstanding  at the close of business on March 15, 1996  (the  "Record
    Date"),   each   Right  representing  the  right   to   purchase   one
    one-hundredth  (1/100) of a Preferred Share (as hereinafter  defined),
    upon the terms and subject to the conditions herein set forth, and has
    further authorized and directed the issuance of one Right with respect
    to  each Common Share that shall become outstanding between the Record
    Date  and  the earliest of the Distribution Date, the Redemption  Date
    and the Final Expiration Date (as such terms are hereinafter defined).

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

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

               (a)  "Acquiring Person" shall mean any Person (as such term
    is hereinafter defined) who or which, together with all Affiliates and
    Associates  (as  such terms are hereinafter defined) of  such  Person,
    shall be the Beneficial Owner (as such term is hereinafter defined) of
    20%  or  more  of  the Common Shares of the Company then  outstanding,
    other than pursuant to a Qualifying Offer (as such term is hereinafter
    defined), but shall not include the Company, any Subsidiary  (as  such
    term is hereinafter defined) of the Company, any employee benefit plan
    of the Company or any Subsidiary of the Company, or any entity holding
    Common  Shares  for  or  pursuant to  the  terms  of  any  such  plan.
    Notwithstanding  the foregoing, no Person shall become  an  "Acquiring
    Person"  as  the  result of an acquisition of  Common  Shares  by  the
    Company which, by reducing the number of shares outstanding, increases
    the  proportionate number of shares beneficially owned by such  Person
    to  20%  or more of the Common Shares of the Company then outstanding;
    provided, however, that if a Person shall become the Beneficial  Owner
    of 20% or more of the Common Shares of the Company then outstanding by
    reason  of share purchases by the Company and shall, after such  share
    purchases  by  the  Company,  become  the  Beneficial  Owner  of   any
    additional  Common Shares of the Company, then such  Person  shall  be
    deemed to be an "Acquiring Person."  Notwithstanding the foregoing, if
    the Board of Directors of the Company determines in good faith that  a
    Person  who  would  otherwise  be an "Acquiring  Person,"  as  defined
    pursuant to the foregoing provisions of this paragraph (a), has become
    such inadvertently, and such Person divests as promptly as practicable
    a  sufficient  number of Common Shares so that such  Person  would  no
    longer  be an "Acquiring 

                                     
<PAGE>

    Person," as defined pursuant to the foregoing provisions of this paragraph 
    (a), then such Person shall not be deemed to be an "Acquiring Person" for 
    any purposes of this Agreement.

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

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

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

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

                                     -2-
<PAGE>

         securities of the Company.

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

              (d)  "Book Value", when used with reference to Common Shares
    issued  by any Person, shall mean the amount of equity of such  Person
    applicable  to  each Common Share, determined (i) in  accordance  with
    generally accepted accounting principles in effect on the date  as  of
    which  such  Book  Value  is  to be determined,  (ii)  using  all  the
    consolidated  assets  and  all the consolidated  liabilities  of  such
    Person  on  the date as of which such Book Value is to be  determined,
    except  that  no value shall be included in such assets  for  goodwill
    arising  from consummation of a business combination, and (iii)  after
    giving  effect to (A) the exercise of all rights, options and warrants
    to  purchase  such  Common Shares (other than  the  Rights),  and  the
    conversion  of all securities convertible into such Common Shares,  at
    an  exercise or conversion price, per Common Share, which is less than
    such  Book  Value before giving effect to such exercise or  conversion
    (whether  or not exercisability or convertibility is conditioned  upon
    occurrence   of  a  future  event),  (B)  all  dividends   and   other
    distributions  on the capital stock of such Person declared  prior  to
    the  date  as of which such Book Value is to be determined and  to  be
    paid or made after such date, and (C) any other agreement, arrangement
    or  understanding (written or oral), or transaction  or  other  action
    prior  to  the  date as of which such Book Value is to  be  determined
    which would have the effect of thereafter reducing such Book Value.

              (e)  "Business Combination" shall have the meaning set forth
    in Section 13(a).

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

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

              (h)  "Common Shares" when used with reference to the Company
    shall  mean the shares of common stock, par value $.01 per  share,  of
    the  Company. "Common Shares" when used with reference to  any  Person
    other  than  the  Company  shall mean the  capital  stock  (or  equity
    interest) with the greatest voting power of such other Person  or,  if

                                     -3-
<PAGE>

    such  other  Person is a Subsidiary of another Person, the  Person  or
    Persons which ultimately control such first-mentioned Person.

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

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

              (k)  "Major Part," when used with reference to the assets of
    the Company and its Subsidiaries as of any date, shall mean assets (i)
    having  a fair market value aggregating 50% or more of the total  fair
    market  value  of  all the assets of the Company and its  Subsidiaries
    (taken as a whole) as of the date in question, (ii) accounting for 50%
    or  more of the total value (net of depreciation and amortization)  of
    all  the assets of the Company and its Subsidiaries (taken as a whole)
    as  would be shown on a consolidated or combined balance sheet of  the
    Company  and its Subsidiaries as of the date in question, prepared  in
    accordance  with  generally  accepted accounting  principles  then  in
    effect,  or  (iii) accounting for 50% or more of the total  amount  of
    earnings  before  interest, taxes, depreciation  and  amortization  or
    revenues  of  the Company and its Subsidiaries (taken as a  whole)  as
    would  be  shown  on,  or  derived from, a  consolidated  or  combined
    statement of income of the Company and its Subsidiaries for the period
    of  12  months  ending  on  the  last day  of  the  Company's  monthly
    accounting  period  next preceding the date in question,  prepared  in
    accordance  with  generally  accepted accounting  principles  then  in
    effect.

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

              (m)  "Preferred Shares" shall mean shares of Series A Junior
    Participating Cumulative 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.

              (n)  "Principal Party" shall mean the Surviving Person in a
    Business  Combination;  provided, however,  that,  if  such  Surviving
    Person  is  a  direct  or indirect Subsidiary  of  any  other  Person,
    "Principal  Party" shall mean the Person which is the ultimate  parent
    of  such  Surviving  Person and which is not itself  a  Subsidiary  of
    another  Person.   In  the event ultimate control  of  such  Surviving
    Person is shared by two or more Persons, "Principal Party" shall  mean
    that  Person  that  is  immediately controlled by  such  two  or  more
    Persons.

              (o)  "Purchase Price" with respect to each Right shall mean
    $80,  as  such  

                                     -4-
<PAGE>

    amount may from time to time be adjusted  as  provided
    herein,  and shall be payable in lawful money of the United States  of
    America.   All references herein to the Purchase Price shall mean  the
    Purchase Price as in effect at the time in question.

              (p)  "Qualifying Offer" shall mean an all-cash tender offer
    for  all  outstanding Common Shares which meets all of  the  following
    requirements:

                 (i)     on  or prior to the date such offer is  commenced
         within  the  meaning of Rule 14d-2(a) of the  General  Rules  and
         Regulations  under  the Exchange Act, such Person  has,  and  has
         provided   to   the   Company,  firm  written  commitments   from
         responsible  financial institutions, which have been accepted  by
         such  Person (or one of its Affiliates), to provide, subject only
         to  customary  terms and conditions, funds for such offer  which,
         when  added to the amount of cash and cash equivalents which such
         Person  then  has  available  and has  irrevocably  committed  in
         writing  to  the Company to utilize for purposes of  such  offer,
         will be sufficient to pay for all Common Shares outstanding on  a
         fully  diluted  basis pursuant to the offer and  the  second-step
         transaction  required  by  clause  (v)  below  and  all   related
         expenses, together with copies of all written materials  prepared
         by such Person for such financial institutions in connection with
         obtaining such financing commitments;

                (ii)    after the consummation of such offer, such Person,
         alone or together with any of its Affiliates and Associates, owns
         Common  Shares  representing a majority of the  then  outstanding
         Common Shares;

               (iii)     such offer remains open for at least 45  Business
         Days; provided, however, that (x) if there is any increase in the
         price of such offer, such offer must remain open for at least  an
         additional  20  Business Days after the last such  increase,  (y)
         such  offer must remain open for at least 20 Business Days  after
         the  date that any bona fide alternative offer is made which,  in
         the opinion of one or more investment banking firms designated by
         the  Company, provides for consideration per share in  excess  of
         that  provided for in such offer, and (z) such offer must  remain
         open  for at least 20 Business Days after the date on which  such
         Person  reduces  the per share price offered in  accordance  with
         clause  (v)(y) below; provided further, however, that such  offer
         need  not  remain open, as a result of this clause (iii),  beyond
         (i) the time which any other offer satisfying the criteria for  a
         Qualifying  Offer  is then required to be kept  open  under  this
         clause (iii), or (ii) the scheduled expiration date, as such date
         may  be  extended by public announcement on or prior to the  then
         scheduled expiration date, of any other tender or exchange  offer
         for  Common  Shares with respect to which the Board of  Directors
         has  agreed  to redeem the Rights immediately prior to acceptance
         for  payment of Common Shares thereunder (unless such other offer
         is  terminated prior to its expiration without any 

                                     -5-
<PAGE>

         Common  Shares having been purchased thereunder);

                (iv)    such offer is accompanied by a written opinion, in
         customary  form,  of  a nationally recognized investment  banking
         firm  which  is addressed to the holders of Common  Shares  other
         than  such Person and states that the price to be paid to holders
         pursuant to the offer is fair from a financial point of  view  to
         such  holders and includes any written presentation of such  firm
         showing  the  analysis  and  range  of  values  underlying   such
         conclusions; and

                 (v)     prior  to  or  on the date  that  such  offer  is
         commenced  within  the meaning of Rule 14d-2(a)  of  the  General
         Rules  and Regulations under the Exchange Act, such Person  makes
         an   irrevocable  written  commitment  to  the  Company  (x)   to
         consummate  a  transaction  or  transactions  promptly  upon  the
         completion of such offer, whereby all Common Shares not purchased
         in  such offer will be acquired at the same price per share  paid
         in  such  offer, subject only to the condition that the Board  of
         Directors  shall  have granted any approvals required  to  enable
         such  Person  to  consummate  such  transaction  or  transactions
         following consummation of such offer without obtaining  the  vote
         of  any other stockholder, (y) that such Person will not make any
         amendment to the original offer which reduces the per share price
         offered  (other than a reduction to reflect any dividend declared
         by  the  Company  after the commencement of  such  offer  or  any
         material change in the capital structure of the Company initiated
         by  the Company after the commencement of such offer, whether  by
         way   of   recapitalization,   reorganization,   repurchase    or
         otherwise), changes the form of consideration offered, or reduces
         the  number  of  shares being sought or which  is  in  any  other
         respect  materially  adverse to the Company's  stockholders,  and
         (z)  that  neither  such  Person nor any  of  its  Affiliates  or
         Associates will make any offer for any equity securities  of  the
         Company for a period of six months after the commencement of  the
         original  offer  if such original offer does not  result  in  the
         tender  of  the number of Common Shares required to be  purchased
         pursuant  to  clause (ii) above, unless another tender  offer  by
         another party for all outstanding Common Shares is commenced that
         (a)  constitutes  a Qualifying Offer or (b) is  approved  by  the
         Board  of Directors of the Company (in which event, any new offer
         by  such Person or of any of its Affiliates or Associates must be
         at  a  price  no  less than that provided for  in  such  approved
         offer).

               (q)  "Record Date" shall have the meaning set forth in  the
    introductory paragraph hereof.

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

                                     -6-
<PAGE>

               (s)   "Registered Common Shares" shall mean  Common  Shares
    which  are,  as of the date of consummation of a Business Combination,
    and  have  continuously  been for the 12 months immediately  preceding
    such date, registered under Section 12 of the Exchange Act.

               (t)  "Shares Acquisition Date" shall mean the first date of
    public  announcement  by the Company or an Acquiring  Person  that  an
    Acquiring Person has become such.

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

               (v)  "Surviving Person" shall mean (1) the Person which  is
    the  continuing  or  surviving Person in  a  consolidation  or  merger
    specified in Section 13(a)(i) or 13(a)(ii) or (2) the Person to  which
    the  Major  Part of the assets of the Company and its Subsidiaries  is
    sold, leased, exchanged or otherwise transferred or disposed of  in  a
    transaction specified in Section 13(a)(iii); provided, however,  that,
    if the Major Part of the assets of the Company and its Subsidiaries is
    sold, leased, exchanged or otherwise transferred or disposed of in one
    or  more related transactions specified in Section 13(a)(iii) to  more
    than  one  Person, the "Surviving Person" in such case shall mean  the
    Person  that  acquired assets of the Company and/or  its  Subsidiaries
    with   the   greatest  fair  market  value  in  such  transaction   or
    transactions.

               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 Shares 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 the Company, any Subsidiary of the  Company,  any
    employee  benefit  plan  of the Company or of any  Subsidiary  of  the
    Company  or  any entity holding Common Shares for or pursuant  to  the
    terms  of any such plan and other than a Qualifying Offer) of,  or  of
    the  first  public announcement of the intention of any Person  (other
    than  the Company, any Subsidiary of the Company, any employee benefit
    plan  of the Company or of any Subsidiary of the Company or any entity
    holding  Common Shares for or pursuant to the 

                                     -7-
<PAGE>

    terms of any such plan and other than a Qualifying Offer) to commence, a 
    tender or exchange offer the consummation of which would result in any 
    Person becoming the Beneficial Owner of Common Shares aggregating 20% or 
    more of the then outstanding Common Shares (including any such date which 
    is after the date of this Agreement and prior to the issuance of the 
    Rights; the earlier of such dates being  herein  referred  to   as   the
    "Distribution Date"), (x) the Rights will be evidenced (subject to the
    provisions  of  Section  3(b) hereof) by the certificates  for  Common
    Shares   registered  in  the  names  of  the  holders  thereof  (which
    certificates shall also be deemed to be Right Certificates) and not by
    separate  Right  Certificates, and (y)  the  right  to  receive  Right
    Certificates will be transferable only in connection with the transfer
    of Common Shares.  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, at the address  of  such
    holder  shown  on the records of the Company, a Right Certificate,  in
    substantially  the  form of Exhibit B hereto (a "Right  Certificate"),
    evidencing  one  Right  for each Common Share  so  held.   As  of  the
    Distribution Date, the Rights will be evidenced solely by  such  Right
    Certificates.

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

              (c)  Certificates for Common Shares which become outstanding
    (including,  without limitation, reacquired Common Shares referred  to
    in  the last sentence of this paragraph (c)) after the Record Date but
    prior to the earliest of the Distribution Date, the 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  Emisphere Technologies, Inc. 

                                     -8-
<PAGE>

              and Continental  Stock Transfer & Trust Company dated as of 
              February 23, 1996 (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  Emisphere
              Technologies,  Inc.   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.  Emisphere Technologies, Inc. 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 issued to any Person who becomes an
              Acquiring  Person (as defined in the Rights  Agreement)  may
              become null and void.

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

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

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

                                     -9-
<PAGE>

    manually or by facsimile signature.  The Right Certificates shall be 
    manually countersigned by the Rights Agent and shall not be valid for any  
    purpose unless countersigned.  In case any officer of the Company who shall
    have signed any of the Right Certificates shall cease to be such officer of
    the  Company before countersignature by the Rights Agent and  issuance
    and  delivery  by the Company, such Right Certificates,  nevertheless,
    may  be countersigned by the Rights Agent and issued and delivered  by
    the  Company with the same force and effect as though the  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
    Rights Agreement any such person was not such an officer.

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

               Section 6.     Transfer, Split Up, Combination and Exchange
    of  Right  Certificates; Mutilated, Destroyed, Lost  or  Stolen  Right
    Certificates.  Subject to the provisions of Section 14 hereof, at  any
    time  after the close of business on the Distribution Date, and at  or
    prior  to the close of business on the earlier of the Redemption  Date
    or   the  Final  Expiration  Date,  any  Right  Certificate  or  Right
    Certificates (other than Right Certificates representing  Rights  that
    have  become  void pursuant to Section 11(a)(ii) hereof or  that  have
    been  exchanged  pursuant to Section 24 hereof)  may  be  transferred,
    split up, combined or exchanged for another Right Certificate or Right
    Certificates,  entitling  the registered holder  to  purchase  a  like
    number  of  one  one-hundredths  of a Preferred  Share  as  the  Right
    Certificate  or  Right  Certificates surrendered  then  entitled  such
    holder to purchase.  Any registered holder desiring to transfer, split
    up,  combine  or exchange any Right Certificate or Right  Certificates
    shall make such request in writing delivered to the Rights Agent,  and
    shall  surrender  the Right Certificate or Right  Certificates  to  be
    transferred,  split up, combined or exchanged at the principal  office
    of the Rights Agent.  Thereupon the Rights Agent shall countersign and
    deliver  to the person entitled thereto a Right Certificate  or  Right
    Certificates,  as the case may be, as so requested.  The  Company  may
    require  payment of a sum sufficient to cover any tax or  governmental
    charge that may be imposed in connection with any transfer, split  up,
    combination or exchange of Right Certificates.

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

                                     -10-
<PAGE>

    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
    (including Section 11), each Right shall entitle the registered holder
    thereof, upon exercise thereof as provided herein, to purchase for the
    Purchase  Price, at any time after the Distribution  Date  and  at  or
    prior  to  the  earliest of (i) the close of business on February  23,
    2006  (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, one one-hundredth of a Preferred Share, subject  to
    adjustment from time to time as provided herein.

               (b)   The  registered holder of any Right  Certificate  may
    exercise  the  Rights evidenced thereby (except as otherwise  provided
    herein)  in whole or in part at any time after the Distribution  Date,
    upon surrender of the Right Certificate, with the form of election  to
    purchase  on  the reverse side thereof duly executed,  to  the  Rights
    Agent  at  the principal office of the Rights Agent in New  York,  New
    York,  together with payment of the Purchase Price for each  one  one-
    hundredth  (1/100th) of a Preferred Share as to which the  Rights  are
    exercised,  at  or  prior to the earlier of (i) the  Final  Expiration
    Date,  (ii) the Redemption Date or (iii) the time at which such Rights
    are exchanged as provided in Section 24 hereof.

               (c)   Upon  receipt  of  a  Right Certificate  representing
    exercisable  Rights,  with  the  form of  election  to  purchase  duly
    executed,  accompanied  by  payment of  the  Purchase  Price  for  the
    Preferred Shares to be purchased and an amount equal to any applicable
    transfer  tax  required  to  be  paid by  the  holder  of  such  Right
    Certificate  in  accordance with Section 9 hereof by certified  check,
    cashier's  check or money order payable to the order of  the  Company,
    the Rights Agent shall thereupon promptly (i) (A) requisition from any
    transfer agent of the Preferred Shares certificates for the number  of
    Preferred  Shares  to be purchased and the Company hereby  irrevocably
    authorizes its transfer agent to comply with all such requests, or (B)
    if the Company shall have elected to deposit the Preferred Shares with
    a  depositary agent under a depositary agreement, requisition from the
    depositary agent depositary receipts representing such number  of  one
    one-hundredths of a Preferred Share as are to be purchased  (in  which
    case  certificates  for  the  Preferred  Shares  represented  by  such
    receipts  shall be deposited by the transfer agent with the depositary
    agent)  and the Company hereby directs the depositary agent to  comply
    with such request, (ii) when appropriate, requisition from the Company
    the amount of cash to be paid in lieu of issuance of fractional shares
    in  accordance  with Section 14 hereof, (iii) after  receipt  of  such
    certificates or depositary receipts, cause the same to be delivered to
    or 

                                     -11-
<PAGE>

    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, deliver such cash to or upon
    the order of the registered holder of such Right Certificate.

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

               (e)   The Company may temporarily suspend, for a period  of
    time  not to exceed 90 calendar days after the Distribution Date,  the
    exercisability  of  the  Rights  in  order  to  prepare  and  file   a
    registration  statement under the Securities Act of 1933,  as  amended
    (the  "Securities  Act"), on appropriate form,  with  respect  to  the
    Preferred  Shares purchasable upon exercise of the Rights  and  permit
    such  registration  statement to become effective; provided,  however,
    that  no such suspension shall remain effective after, and the  Rights
    shall  without any further action by the Company or any  other  Person
    become  exercisable  immediately  upon,  the  effectiveness  of   such
    registration  statement.  Upon any such suspension, the Company  shall
    issue  a  public announcement stating that the exercisability  of  the
    Rights has been temporarily suspended and shall issue a further public
    announcement  at such time as the suspension is no longer  in  effect.
    Notwithstanding any provision herein to the contrary, the Rights shall
    not  be exercisable in any jurisdiction if the requisite qualification
    under  the blue sky or securities laws of such jurisdiction shall  not
    have  been  obtained  or  the exercise of  the  Rights  shall  not  be
    permitted under applicable law.

                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  canceled  form,  or,  if
    surrendered to the Rights Agent, shall be canceled by it, and no Right
    Certificates  shall  be  issued in lieu thereof  except  as  expressly
    permitted  by  any  of the provisions of this Rights  Agreement.   The
    Company  shall  deliver  to  the Rights  Agent  for  cancellation  and
    retirement, and the Rights Agent shall so cancel and retire, any other
    Right Certificate purchased or acquired by the Company otherwise  than
    upon  the  exercise  thereof.   The Rights  Agent  shall  deliver  all
    canceled  Right Certificates to the Company, or shall, at the  written
    request of the Company, destroy such canceled Right Certificates,  and
    in such case shall deliver a certificate of destruction thereof to the
    Company.

               Section 9.     Availability of Preferred Shares.   (a)  The
    Company  covenants and agrees that it will cause to  be  reserved  and
    kept available out of its authorized and 

                                     -12-
<PAGE>

    unissued Preferred Shares, or any Preferred Shares held in its treasury, 
    the number of Preferred Shares that will be sufficient to permit the 
    exercise in full of all outstanding Rights in accordance with Section 7.   
    The Company covenants and agrees that it will take all such action as may  
    be necessary to ensure that all Preferred Shares delivered upon exercise
    of  Rights shall, at the time of delivery of the certificates for such
    Preferred Shares (subject to payment of the Purchase Price),  be  duly
    and  validly  authorized and issued and fully paid  and  nonassessable
    shares.

               The  Company further covenants and agrees that it will  pay
    when due and payable any and all federal and state transfer taxes  and
    charges which may be payable in respect of the issuance or delivery of
    the Right Certificates or of any Preferred Shares upon the exercise of
    Rights.   The  Company  shall not, however, be  required  to  pay  any
    transfer  tax  which  may be payable in respect  of  any  transfer  or
    delivery of Right Certificates to a person other than, or the issuance
    or  delivery of certificates or depositary receipts for the  Preferred
    Shares  in  a  name other than that of, the registered holder  of  the
    Right  Certificate evidencing Rights surrendered for  exercise  or  to
    issue  or  to  deliver  any  certificates or depositary  receipts  for
    Preferred  Shares upon the exercise of any Rights until any  such  tax
    shall have been paid (any such tax being payable by the holder of such
    Right  Certificate  at the time of surrender) or  until  it  has  been
    established to the Company's reasonable satisfaction that no such  tax
    is due.

               (b)   In  the  event  that there shall  not  be  sufficient
    Preferred Shares issued but not outstanding or authorized but unissued
    to  permit the exercise or exchange of Rights in accordance with  this
    Agreement, the Company covenants and agrees that it will take all such
    action  as  may be necessary to authorize additional Preferred  Shares
    for  issuance upon the exercise or exchange of Rights pursuant to this
    Agreement; provided, however, that if the Company is unable  to  cause
    the  authorization of additional Preferred Shares,  then  the  Company
    shall, or in lieu of seeking any such authorization, the Company  may,
    to  the  extent  necessary and permitted by  applicable  law  and  any
    agreements or instruments in effect prior to the Distribution Date  to
    which it is a party, (A) upon surrender of a Right, pay cash equal  to
    the  Purchase Price in lieu of issuing Preferred Shares and  requiring
    payment therefor, (B) upon due exercise of a Right and payment of  the
    Purchase  Price  for each Preferred Share as to which  such  Right  is
    exercised, issue equity securities having a value equal to  the  value
    of  the  Preferred  Shares which otherwise would  have  been  issuable
    pursuant  to  this  Agreement, which value shall be  determined  by  a
    nationally recognized investment banking firm selected by the Board or
    (C)  upon due exercise of a Right and payment of the Purchase for each
    Preferred  Share  as  to which such Right is exercised,  distribute  a
    combination of Preferred Shares, cash and/or other equity and/or  debt
    securities  having  an  aggregate value equal  to  the  value  of  the
    Preferred Shares which otherwise would have been issuable pursuant  to
    this  Agreement,  which  value shall be  determined  by  a  nationally
    recognized  investment banking firm selected by  the  Board.   To 

                                     -13-
<PAGE>

    the extent that any legal or contractual  restrictions  (pursuant  to
    agreements or instruments in effect prior to the Distribution Date  to
    which  it  is  party) prevent the Company from paying the full  amount
    payable  in accordance with the foregoing sentence, the Company  shall
    pay  to holders of the Rights as to which such payments are being made
    all  amounts which are not then restricted on a pro rata basis as such
    payments   become   permissible  under  such  legal   or   contractual
    restrictions until such payments have been paid in full.

               (c)   So  long  as the Preferred Shares issuable  upon  the
    exercise  or  exchange  of Rights are to be  listed  on  any  national
    securities  exchange  or  included  for  quotation  on  the   National
    Association  of  Securities Dealers, Inc. Automated  Quotation  System
    ("NASDAQ"),  the Company covenants and agrees to use its best  efforts
    to cause, from and after such time as the Rights become exercisable or
    exchangeable,  all Preferred Shares reserved for such issuance  to  be
    listed  on  such securities exchange upon official notice of  issuance
    upon such exercise or exchange or included on NASDAQ, as the case  may
    be.

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

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

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

                                     -14-
<PAGE>

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

               (ii)  Subject to Section 24 of this Agreement, in the event
    any  Person becomes an Acquiring Person, each holder of a Right  shall
    thereafter have a right to receive, upon exercise thereof at  a  price
    equal to the then current Purchase Price, in accordance with the terms
    of  this Agreement, such number of one one-hundredths (1/100ths) of  a
    Preferred  Share as shall equal the result obtained by (x) multiplying
    the  then  current Purchase Price by the number of one  one-hundredths
    (1/100ths)  of a Preferred Share for which a Right is then exercisable
    and  dividing  that product by (y) 50% of the then current  per  share
    market  price of the Company's Common Shares (determined  pursuant  to
    Section 11(d) hereof) on the date of the occurrence of such event.  In
    the  event  that any Person shall become an Acquiring Person  and  the
    Rights  shall  then  be outstanding, the Company shall  not  take  any
    action which would eliminate or diminish the benefits intended  to  be
    afforded by the Rights.  As soon as practicable after a Person becomes
    an  Acquiring Person (provided the Company shall not have  elected  to
    make the exchange permitted by Section 24 for all outstanding Rights),
    the Company covenants and agrees to use its best efforts to:

               (I)   prepare and file a registration statement  under  the
         Securities  Act,  on  an appropriate form, with  respect  to  the
         Preferred Shares purchasable upon exercise of the Rights;

               (II)  cause such registration statement to become effective
         as soon as practicable after such filing;

               (III)      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

                                     -15-
<PAGE>


               (IV)  qualify or register the Preferred Shares  purchasable
         upon exercise of the Rights under the blue sky or securities laws
         of such jurisdictions as may be necessary or appropriate.

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

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

               (b)   In  case the Company shall fix a record date for  the
    issuance  of  rights, options or warrants to all holders of  Preferred
    Shares  entitling them (for a period expiring within 45 calendar  days
    after  such record date) to subscribe for or purchase Preferred Shares
    (or  shares having the same rights, privileges and preferences as  the
    Preferred   Shares  ("equivalent  preferred  shares"))  or  securities
    convertible into Preferred Shares or equivalent preferred shares at  a
    price  per Preferred Share or equivalent preferred share (or having  a
    conversion  price per share, if a security convertible into  Preferred
    Shares or equivalent preferred shares) less than the then current  per
    share  market  price  of the Preferred Shares (as defined  in  Section
    11(d))  on such record date, the Purchase Price to be in effect  after
    such record date shall be determined by multiplying the Purchase Price
    in  effect  immediately prior to such record date by a  fraction,  the
    numerator of which shall be the number of Preferred Shares outstanding
    on  such  record  date plus the number of Preferred Shares  which  the
    aggregate  offering  price  of the total number  of  Preferred  Shares
    and/or  equivalent  preferred shares so  to  be  offered  (and/or  the
    aggregate initial conversion price of the convertible securities so to
    be  offered)  would  purchase at such current  market  price  and  the
    denominator  of  which  shall  be  the  number  of  Preferred   Shares
    outstanding  on  such  record  date  plus  the  number  of  additional
    Preferred Shares and/or 

                                     -16-
<PAGE>

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

               (c)   In  case the Company shall fix a record date for  the
    making  of  a  distribution to all holders  of  the  Preferred  Shares
    (including   any   such  distribution  made  in  connection   with   a
    consolidation  or  merger in which the Company is  the  continuing  or
    surviving  corporation) of evidences of indebtedness or assets  (other
    than  a  regular  quarterly cash dividend or  a  dividend  payable  in
    Preferred Shares) or subscription rights or warrants (excluding  those
    referred  to  in Section 11(b) hereof), the Purchase Price  to  be  in
    effect  after such record date shall be determined by multiplying  the
    Purchase  Price in effect immediately prior to such record date  by  a
    fraction,  the numerator of which shall be the then current per  share
    market  price  of the Preferred Shares on such record date,  less  the
    fair  market  value  (as  determined in good faith  by  the  Board  of
    Directors of the Company, whose determination shall be described in  a
    statement filed with the Rights Agent) of the portion of the assets or
    evidences of indebtedness so to be distributed or of such subscription
    rights  or  warrants  applicable  to  one  Preferred  Share  and   the
    denominator of which shall be such current per share market  price  of
    the  Preferred Shares; provided, however, that in no event  shall  the
    consideration to be paid upon the exercise of one Right be  less  than
    the  aggregate par value of the shares of capital stock of the Company
    to  be  issued upon exercise of one Right.  Such adjustments shall  be
    made  successively whenever such a record date is fixed;  and  in  the
    event  that such distribution is not so made, the Purchase Price shall
    again  be  adjusted to be the Purchase Price which would  then  be  in
    effect if such record date had not been fixed.

               (d)  (i)  For the purpose of any computation hereunder, the
    "current per share market price" of any security (a "Security" for the
    purpose  of this Section 11(d)(i)) on any date shall be deemed  to  be
    the average of the daily closing prices per share of such Security for
    the  30 consecutive Trading Days (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 

                                     -17-
<PAGE>

    announcement by the  issuer  of  such
    Security of (A) a dividend or distribution on such Security payable in
    shares of such Security or securities convertible into such shares, or
    (B)  any subdivision, combination or reclassification of such Security
    and  prior  to the expiration of 30 Trading Days after the ex-dividend
    date  for  such dividend or distribution, or the record date for  such
    subdivision, combination or reclassification, then, and in  each  such
    case,  the  current  per  share market price  shall  be  appropriately
    adjusted  to reflect the current market price per share equivalent  of
    such  Security. The closing price for each day shall be the last  sale
    price, regular way, or, in case no such sale takes place on such  day,
    the  average  of  the closing bid and asked prices,  regular  way,  in
    either  case  as  reported  in the principal consolidated  transaction
    reporting  system  with respect to securities listed  or  admitted  to
    trading  on  the  New York Stock Exchange or, if the Security  is  not
    listed  or  admitted  to trading on the New York  Stock  Exchange,  as
    reported  in  the principal consolidated transaction reporting  system
    with respect to securities listed on the principal national securities
    exchange on which the Security is listed or admitted to trading or, if
    the  Security  is  not listed or admitted to trading on  any  national
    securities  exchange, the last quoted price or, if not so quoted,  the
    average  of  the high bid and low asked prices in the over-the-counter
    market, as reported by NASDAQ or such other system then in use, or, if
    on  any such date the Security is not quoted by any such organization,
    the  average  of  the closing bid and asked prices as furnished  by  a
    professional market maker making a market in the Security selected  by
    the  Board of Directors of the Company.  The term "Trading Day"  shall
    mean  a  day  on which the principal national securities  exchange  on
    which  the Security is listed or admitted to trading is open  for  the
    transaction of business or, if the Security is not listed or  admitted
    to trading on any national securities exchange, a Business Day.

               (ii)  For  the  purpose of any computation  hereunder,  the
    "current  per  share market price" of the Preferred  Shares  shall  be
    determined  in  accordance  with  the  method  set  forth  in  Section
    11(d)(i).   If  the  Preferred Shares are  not  publicly  traded,  the
    "current  per  share market price" of the Preferred  Shares  shall  be
    conclusively  deemed to be the current per share market price  of  the
    Common  Shares as determined pursuant to Section 11(d)(i),  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  Shares  are
    publicly held or so listed or traded, "current per share market price"
    shall mean the fair value per share as determined in good faith by the
    Board  of  Directors  of  the Company, whose  determination  shall  be
    described in a statement filed with the Rights Agent.

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

                                     -18-
<PAGE>

    the nearest one one-millionth of  a
    Preferred  Share or one ten-thousandth of any other share or  security
    as  the  case  may  be.  Notwithstanding the first  sentence  of  this
    Section  11(e), any adjustment required by this Section  11  shall  be
    made no later than the earlier of (i) three years from the date of the
    transaction  which requires such adjustment or (ii) the  date  of  the
    expiration of the right to exercise any Rights.

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

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

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

               (i)   The  Company may elect on or after the  date  of  any
    adjustment  of the Purchase Price to adjust the number of  Rights,  in
    substitution for any adjustment in the number of one one-hundredths of
    a  Preferred Share purchasable upon the exercise of a Right.  Each  of
    the  Rights outstanding after such adjustment of the number of  Rights
    shall  be  exercisable  for  the number of  one  one-hundredths  of  a
    Preferred Share for which a Right was exercisable immediately prior to
    such  adjustment.  Each Right held of record prior to such  adjustment
    of the number of Rights shall become that number of Rights (calculated
    to  the  nearest one ten-thousandth) obtained by dividing the Purchase
    Price  in effect immediately prior to adjustment of the Purchase Price
    by  the  Purchase Price in effect 

                                     -19-
<PAGE>

    immediately after adjustment of  the
    Purchase Price.  The Company shall make a public announcement  of  its
    election  to  adjust the number of Rights, indicating the record  date
    for  the  adjustment, and, if known at the time,  the  amount  of  the
    adjustment to be made. This record date may be the date on  which  the
    Purchase  Price is adjusted or any day thereafter, but, if  the  Right
    Certificates  have been issued, shall be at least 10 days  later  than
    the  date of the public announcement.  If Right Certificates have been
    issued, upon each adjustment of the number of Rights pursuant to  this
    Section 11(i), the Company shall, as promptly as practicable, cause to
    be  distributed  to  holders of record of Right Certificates  on  such
    record  date  Right  Certificates evidencing, subject  to  Section  14
    hereof,  the additional Rights to which such holders shall be entitled
    as  a  result  of such adjustment, or, at the option of  the  Company,
    shall   cause  to  be  distributed  to  such  holders  of  record   in
    substitution and replacement for the Right Certificates held  by  such
    holders  prior to the date of adjustment, and upon surrender  thereof,
    if  required by the Company, new Right Certificates evidencing all the
    Rights  to which such holders shall be entitled after such adjustment.
    Right 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  Preferred
    Share issuable upon the exercise of the Rights, the Right Certificates
    theretofore and thereafter issued may continue to express the Purchase
    Price  and the number of one one-hundredths of a Preferred Share which
    were expressed in the initial Right Certificates issued hereunder.

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

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

                                     -20-
<PAGE>


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

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

               (o)  Notwithstanding any other provision of this Agreement,
    no  adjustment  to the number of Preferred Shares (or fractions  of  a
    share)  or  other securities for which a Right is exercisable  or  the
    number  of Rights outstanding or associated with each Common Share  or
    any  similar or other adjustment shall be made or be effective if such
    adjustment would have the effect of reducing or limiting the  benefits
    the  holders  of  the  Rights would have had absent  such  adjustment,
    including, without limitation, the benefits under Sections 11 and  13,
    unless the terms of this Agreement are amended so as to preserve  such
    benefits.

               (p)   The  Company  covenants and agrees  that,  after  the
    Distribution Date, except as permitted by Section 27, it will not take
    (or permit any Subsidiary of the Company to take) any action if at the
    time  such  action  is taken it is intended or reasonably  

                                     -21-
<PAGE>

    foreseeable
    that  such  action  will reduce or otherwise limit  the  benefits  the
    holders  of  the Rights would have had absent such action,  including,
    without limitation, the benefits under Sections 11 and 13.  Any action
    taken  by  the Company during any period after any Person  becomes  an
    Acquiring Person but prior to the Distribution Date shall be null  and
    void  unless such action could be taken under this Section 11(p)  from
    and after the Distribution Date.  The Company shall not consummate any
    Business  Combination if any issuer of Common Shares for which  Rights
    may  be  exercised after such Business Combination in accordance  with
    Section  13  shall  have taken any action that  reduces  or  otherwise
    limits  the  benefits the holders of the Rights would have had  absent
    such   action,  including,  without  limitation,  the  benefits  under
    Sections 11 and 13.

               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  Shares  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.

               Section 13.    Consolidation, Merger or Sale or Transfer of
    Assets  or  Earning  Power.   (a)  In  the  event  that,  following  a
    Distribution Date, directly or indirectly, any transactions  specified
    in  the  following  clauses (i), (ii) or (iii) of this  Section  13(a)
    (each  such  transaction  being  a "Business  Combination")  shall  be
    consummated:

               (i)  the Company shall consolidate with, or merge with  and
         into,  any Acquiring Person or any Affiliate or Associate  of  an
         Acquiring Person;

               (ii) any Acquiring Person or any Affiliate or Associate  of
         an Acquiring Person shall merge with and into the Company and, in
         connection  with  such merger, all or part of the  Common  Shares
         shall  be  changed into or exchanged for capital stock  or  other
         securities of the Company or of any Acquiring Person or Affiliate
         or  Associate  of  an  Acquiring Person  or  cash  or  any  other
         property; or

               (iii)      the  Company  shall  sell,  lease,  exchange  or
         otherwise  transfer  or  dispose  of  (or  one  or  more  of  the
         Subsidiaries shall sell, lease, exchange or otherwise transfer or
         dispose of), in one or more transactions, the Major Part  of  the
         assets of the Company and its Subsidiaries (taken as a whole)  to
         any  Acquiring  Person  or  any  Affiliate  or  Associate  of  an
         Acquiring Person,

    then,  in each such case, proper provision shall be made so that  each
    holder  of  a  Right, except as provided in Section  11(a)(ii),  shall
    thereafter  have the right to receive, upon the 

                                     -22-
<PAGE>

    exercise  thereof  for
    the  Purchase  Price  in  accordance with the  terms  of  this  Rights
    Agreement,  the  securities  specified below  (or,  at  such  holder's
    option, the securities specified in Section 11(a)(ii)):

              (A)  If the Principal Party in such Business Combination has
         Registered Common Shares outstanding, each Right shall thereafter
         represent the right to receive, upon the exercise thereof for the
         Purchase  Price  in  accordance with the  terms  of  this  Rights
         Agreement,  such  number  of Registered  Common  Shares  of  such
         Principal  Party,  free and clear of all liens,  encumbrances  or
         other  adverse  claims,  as shall have an aggregate  current  per
         share  market  price equal to the result obtained by  multiplying
         the Purchase Price by two;

               (B)   If  the  Principal Party involved  in  such  Business
         Combination  does not have Registered Common Shares  outstanding,
         each  Right shall thereafter represent the right to receive, upon
         the  exercise  thereof for the Purchase Price in accordance  with
         the terms of this Rights Agreement, at the election of the holder
         of such Right at the time of the exercise thereof, any of:

                        (1)  such number of Common Shares of the Surviving
              Person  in  such  Business  Combination  as  shall  have  an
              aggregate Book Value immediately after giving effect to such
              Business  Combination  equal  to  the  result  obtained   by
              multiplying the Purchase Price by two;

                        (2)  such number of Common Shares of the Principal
              Party  in such Business Combination (if the Principal  Party
              is   not   also  the  Surviving  Person  in  such   Business
              Combination)   as  shall  have  an  aggregate   Book   Value
              immediately after giving effect to such Business Combination
              equal  to  the  result obtained by multiplying the  Purchase
              Price by two; or

                         (3)   if  the  Principal Party in  such  Business
              Combination is an Affiliate of one or more Persons which has
              Registered  Common  Shares  outstanding,  such   number   of
              Registered Common Shares of whichever of such Affiliates  of
              the  Principal Party has Registered Common Shares  with  the
              greatest  aggregate current per share market  price  on  the
              date  of consummation of such Business Combination as  shall
              have an aggregate current per share market price on the date
              of such Business Combination equal to the result obtained by
              multiplying the Purchase Price by two.

                (b)    The  Company  shall  not  consummate  any  Business
    Combination unless each issuer of Common Shares for which  Rights  may
    be  exercised, as set forth in this Section 13, shall have  sufficient
    authorized  Common Shares that have not been issued  

                                     -23-
<PAGE>

    or  reserved  for
    issuance  (and  which  shall, when issued  upon  exercise  thereof  in
    accordance  with this Rights Agreement, be validly issued, fully  paid
    and  nonassessable  and  free of preemptive rights,  rights  of  first
    refusal  or  any other restrictions or limitations on the transfer  or
    ownership  thereof) to permit the exercise in full of  the  Rights  in
    accordance with this Section 13 and unless prior thereto:

              (i)  a registration statement under the Securities Act on an
         appropriate  form,  with respect to the  Rights  and  the  Common
         Shares  of  such issuer purchasable upon exercise of the  Rights,
         shall be effective under the Securities Act; and

              (ii) the Company and each such issuer shall have:

                         (A)  executed and delivered to the Rights Agent a
              supplemental agreement providing for the assumption by  such
              issuer  of  the  obligations set forth in  this  Section  13
              (including  the  obligation of such issuer to  issue  Common
              Shares  upon the exercise of Rights in accordance  with  the
              terms  set  forth  in Sections 13(a) and 13(c)  and  further
              providing that such issuer, at its own expense, will use its
              best efforts to:

                                   (1)     cause a registration  statement
                   under  the Securities Act on an appropriate form,  with
                   respect  to  the Rights and the Common Shares  of  such
                   issuer  purchasable upon exercise  of  the  Rights,  to
                   remain  effective  (with  a  prospectus  at  all  times
                   meeting  the requirements of the Securities Act)  until
                   the Final Expiration Date;

                                   (2)     qualify or register the  Rights
                   and  the Common Shares of such issuer purchasable  upon
                   exercise of the Rights under the blue sky or securities
                   laws  of  such  jurisdictions as may  be  necessary  or
                   appropriate; and

                                   (3)     list the Rights and the  Common
                   Shares of such issuer purchasable upon exercise of  the
                   Rights  on each national securities exchange  on  which
                   the Common Shares were listed prior to the consummation
                   of  the  Business Combination or, if the Common  Shares
                   were not listed on a national securities exchange prior
                   to  the consummation of the Business Combination, on  a
                   national securities exchange;

                         (B)   furnished  to the Rights  Agent  a  written
              opinion   of   independent   counsel   stating   that   such
              supplemental  agreement is a valid, binding and  enforceable
              agreement of such issuer; and

                                     -24-
<PAGE>


                         (C)  filed with the Rights Agent a certificate of
              a  nationally  recognized  firm of  independent  accountants
              setting  forth  the number of Common Shares of  such  issuer
              which may be purchased upon the exercise of each Right after
              the consummation of such Business Combination.

               (c)   After  consummation of any Business  Combination  and
    subject to the provisions of Section 13(b), (i) each issuer of  Common
    Shares  for which Rights may be exercised as set forth in this Section
    13  shall  be liable for, and shall assume, by virtue of such Business
    Combination, all the obligations and duties of the Company pursuant to
    this  Rights  Agreement, (ii) the term "Company" shall  thereafter  be
    deemed to refer to such issuer, (iii) each such issuer shall take such
    steps  in  connection with such consummation as may  be  necessary  to
    assure  that  the  provisions  hereof  (including  the  provisions  of
    Sections 11(a) and 13(a)) shall thereafter be applicable, as nearly as
    reasonably  may  be,  in  relation to  its  Common  Shares  thereafter
    deliverable  upon the exercise of the Rights, and (iv) the  number  of
    Common  Shares of each such issuer thereafter receivable upon exercise
    of  any  Right shall be subject to adjustment from time to time  in  a
    manner  and  on  terms  as nearly equivalent  as  practicable  to  the
    provisions  of Sections 11 and 13 and the provisions of Section  7,  9
    and 10 with respect to the Preferred Shares shall apply, as nearly  as
    reasonably may be, on like terms to any such Common Shares.

               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 (as determined pursuant
    to the second sentence of Section 11(d)(i) hereof) for the Trading Day
    immediately  prior to the date on which such fractional  Rights  would
    have  been  otherwise issuable; provided, however, that if the  Rights
    are  not  then publicly traded, the fair value of the Rights  on  such
    date  as  determined in good faith by the Board of  Directors  of  the
    Company shall be used.

              (b)  The Company shall not be required to issue fractions of
    Preferred Shares (other than fractions which are integral multiples of
    one one-hundredth of a Preferred Share) upon exercise of the Rights or
    to  distribute certificates which evidence fractional Preferred Shares
    (other  than  fractions  which  are integral  multiples  of  one  one-
    hundredth  of  a  Preferred Share). Fractions of Preferred  Shares  in
    integral multiples of one one-hundredth of a Preferred Share  may,  at
    the  election  of  the  Company, be evidenced by depositary  receipts,
    pursuant  to  an  appropriate agreement  between  the  Company  and  a
    depositary selected by it; provided, that such agreement shall provide
    that  the  holders  of 

                                     -25-
<PAGE>

    such depositary receipts  shall  have  all  the
    rights,  privileges  and preferences to which  they  are  entitled  as
    beneficial  owners  of  the  Preferred  Shares  represented  by   such
    depositary receipts.  In lieu of fractional Preferred Shares that  are
    not  integral multiples of one one-hundredth of a Preferred Share, the
    Company  shall pay to the registered holders of Right Certificates  at
    the  time  such Rights are exercised as herein provided an  amount  in
    cash  equal  to the same fraction of the current market value  of  one
    Preferred Share.  For the purposes of this Section 14(b), the  current
    market  value  of a Preferred Share shall be the closing  price  of  a
    Preferred  Share  (as determined pursuant to the  second  sentence  of
    Section 11(d)(i) hereof) for the Trading Day immediately prior to  the
    date of such exercise.

               (c)   The holder of a Right by the acceptance of the  Right
    expressly  waives 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.  (a)  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), may, in his own
    behalf  and  for  his  own benefit, enforce,  and  may  institute  and
    maintain  any  suit,  action  or proceeding  against  the  Company  to
    enforce,  or  otherwise act in respect of, his right to  exercise  the
    Rights  evidenced by such Right Certificate in the manner provided  in
    such  Right  Certificate and in this Agreement.  Without limiting  the
    foregoing  or any remedies available to the holders of Rights,  it  is
    specifically acknowledged that the holders of Rights would not have an
    adequate  remedy at law for any breach of this Agreement and  will  be
    entitled  to  specific  performance  of  the  obligations  under,  and
    injunctive  relief  against  actual or threatened  violations  of  the
    obligations of any Person subject to, this Agreement.

               (b)   Any  holder of Rights who prevails in  an  action  to
    enforce  the provisions of this Agreement shall be entitled to recover
    the reasonable costs and expenses, including attorneys' fees, incurred
    in such action.

               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;

                                     -26-
<PAGE>


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

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

               Section  17.     Right  Certificate  Holder  Not  Deemed  a
    Stockholder.   No holder, as such, of any Right Certificate  shall  be
    entitled  to vote, receive dividends or be deemed for any purpose  the
    holder  of the Preferred Shares or any other securities of the Company
    which  may  at  any  time be issuable on the exercise  of  the  Rights
    represented  thereby, nor shall anything contained herein  or  in  any
    Right  Certificate be construed to confer upon the holder of any Right
    Certificate,  as  such,  any of the rights of  a  stockholder  of  the
    Company or any right to vote for the election of directors or upon any
    matter submitted to stockholders at any meeting thereof, or to give or
    withhold  consent  to any corporate action, or to  receive  notice  of
    meetings  or other actions affecting stockholders (except as  provided
    in Section 25 hereof), or to receive dividends or subscription rights,
    or  otherwise,  until  the  Right or Rights evidenced  by  such  Right
    Certificate  shall  have  been  exercised  in  accordance   with   the
    provisions hereof.

               Section  18.    Concerning the Rights Agent.   The  Company
    agrees  to  pay  to the Rights Agent reasonable compensation  for  all
    services rendered by it hereunder and, from time to time, on demand of
    the  Rights Agent, its reasonable expenses and counsel fees and  other
    disbursements  incurred in the administration and  execution  of  this
    Agreement  and  the exercise and performance of its duties  hereunder.
    The Company also agrees to indemnify the Rights Agent for, and to hold
    it harmless against, any loss, liability, or expense, incurred without
    negligence, bad faith or willful misconduct on the part of the  Rights
    Agent,  for anything done or omitted by the Rights Agent in connection
    with  the  acceptance and administration of this Agreement,  including
    the costs and expenses of defending against any claim of liability  in
    the premises.

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

                                     -27-
<PAGE>

    certificate, statement,
    or  other  paper or document believed by it to be genuine  and  to  be
    signed,  executed  and, where necessary, verified or acknowledged,  by
    the  proper person or persons, or otherwise upon the advice of counsel
    as set forth in Section 20 hereof.

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

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

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

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

                                     -28-
<PAGE>

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

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

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

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

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

               (g)  The Rights Agent is hereby authorized and directed  to
    accept  instructions  with respect to the performance  of  its  duties
    hereunder  from  any  one  of the 

                                     -29-
<PAGE>

    Chairman of  the  Board,  the  Chief
    Executive Officer, the President, any Vice President, the Secretary or
    the Treasurer of the Company, and to apply to such officers for advice
    or  instructions in connection with its duties, and it  shall  not  be
    liable  for  any  action taken or suffered by  it  in  good  faith  in
    accordance with instructions of any such officer or for any  delay  in
    acting while waiting for those instructions.

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

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

               Section 21.    Change of Rights Agent.  The Rights Agent or
    any  successor  Rights  Agent may resign and be  discharged  from  its
    duties under this Agreement upon 30 days' notice in writing mailed  to
    the  Company  and  to  each transfer agent of  the  Common  Shares  or
    Preferred  Shares by registered or certified mail, and to the  holders
    of the Right Certificates by first-class mail.  The Company may remove
    the Rights Agent or any successor Rights Agent upon 30 days' notice in
    writing, mailed to the Rights Agent or successor Rights Agent, as  the
    case  may  be,  and  to each transfer agent of the  Common  Shares  or
    Preferred  Shares by registered or certified mail, and to the  holders
    of  the  Right Certificates by first-class mail.  If the Rights  Agent
    shall  resign  or  be removed or shall otherwise become  incapable  of
    acting, the Company shall appoint a successor to the Rights Agent.  If
    the Company shall fail to make such 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  of  the State of New York (or of any other  state  of  the
    United States so long as such corporation is authorized to do business
    as  a banking institution in the State of New York), in good standing,
    having  an 

                                     -30-
<PAGE>

    office in the State of New York, which is authorized  under
    such laws to exercise corporate trust or stock transfer powers and  is
    subject  to  supervision or examination by federal or state  authority
    and  which  has  at  the time of its appointment  as  Rights  Agent  a
    combined  capital  and  surplus  of  at  least  $50  million.    After
    appointment, the successor Rights Agent shall be vested with the  same
    powers,  rights,  duties  and  responsibilities  as  if  it  had  been
    originally named as Rights Agent without further act or deed; but  the
    predecessor  Rights Agent shall deliver and transfer to the  successor
    Rights  Agent  any  property at the time held  by  it  hereunder,  and
    execute  and  deliver any further assurance, conveyance, act  or  deed
    necessary for the purpose.  Not later than the effective date  of  any
    such appointment the Company shall file notice thereof in writing with
    the  predecessor Rights Agent and each transfer agent  of  the  Common
    Shares  or  Preferred Shares, and mail a notice thereof in writing  to
    the registered holders of the Right Certificates.  Failure to give any
    notice  provided  for  in  this Section 21,  however,  or  any  defect
    therein,  shall not affect the legality or validity of the resignation
    or  removal  of  the Rights Agent or the appointment of the  successor
    Rights Agent, as the case may be.

               Section 22.    Issuance of Additional Rights and New  Right
    Certificates.  Notwithstanding any of the provisions of this Agreement
    or  of  the  Rights to the contrary, the Company may, at  its  option,
    issue new Right Certificates evidencing Rights in such form as may  be
    approved by 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 Expiration Date, the Company (a) shall,  with
    respect to Common Shares so issued or sold pursuant to the exercise of
    stock  options or under any employee plan or arrangement, or upon  the
    exercise,  conversion or exchange of securities, notes  or  debentures
    issued  by  the  Company, and (b) may, in an  other  case,  if  deemed
    necessary  or  appropriate by the Board of Directors of  the  Company,
    issue Right Certificates representing the appropriate number of Rights
    in  connection with such issuance or sale; provided, however, that (i)
    no  such Right Certificate shall be issued if, and to the extent that,
    the  Company  shall  be advised by counsel that  such  issuance  would
    create a significant risk of material adverse tax consequences to  the
    Company  or the Person to whom such Right Certificate would be issued,
    and  (ii)  no such Right Certificate shall be issued if,  and  to  the
    extent that, appropriate adjustment shall otherwise have been made  in
    lieu of the issuance thereof.

               Section  23.    Redemption.  (a) The Board of Directors  of
    the  Company  may, at its option, at any time prior to  the  close  of
    business  on  the  earlier of (i) the tenth day following  the  Shares
    Acquisition Date or (ii) the Final Expiration Date, 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 

                                     -31-
<PAGE>

    occurring after the date hereof
    (such   redemption  price  being  hereinafter  referred  to   as   the
    "Redemption Price"); provided, however, that, in addition to any other
    limitations contained herein on the right to redeem outstanding Rights
    (including the occurrence of any event or the expiration of any period
    after  which  the Rights may no longer be redeemed), for  the  120-day
    period  after any date of a change (resulting from a proxy or  consent
    solicitation) in a majority of the Board of Directors of  the  Company
    in  office  at the commencement of such solicitation, the  Rights  may
    only be redeemed if (A) there are directors then in office who were in
    office  at the commencement of such solicitation and (B) the Board  of
    Directors of the Company, with the concurrence of a majority  of  such
    directors then in office, determines that such redemption is, in their
    judgment,  in  the best interests of the Company and its stockholders.
    The  redemption of the Rights by the Board of Directors  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.

               (b)   Immediately upon the action of the Board of Directors
    of  the  Company  ordering the redemption of the  Rights  pursuant  to
    paragraph  (a) of this Section 23, and without any further action  and
    without  any  notice, the right to exercise the Rights will  terminate
    and  the  only right thereafter of the holders of Rights shall  be  to
    receive the Redemption Price.  The Company shall promptly give  public
    notice of any such redemption; provided, however, that the failure  to
    give,  or any defect in, any such notice shall not affect the validity
    of  such redemption.  Within 10 days after such action of the Board of
    Directors  ordering the redemption of the Rights,  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 will state the method by which the payment of the
    Redemption  Price will be made.  Neither the Company nor  any  of  its
    Affiliates or Associates may redeem, acquire or purchase for value any
    Rights  at  any  time in any manner other than that  specifically  set
    forth  in this Section 23 or in Section 24 hereof, and other  than  in
    connection   with  the  purchase  of  Common  Shares  prior   to   the
    Distribution Date.

               Section 24.    Exchange.  (a) The Board of Directors of the
    Company  may, at its option, at any time after any Person  becomes  an
    Acquiring  Person,  exchange all or part of the then  outstanding  and
    exercisable  Rights (which shall not include Rights that  have  become
    void  pursuant  to  the  provisions of Section 11(a)(ii)  hereof)  for
    consideration per Right consisting of one-half of the securities  that
    would  be  issuable at such time upon the exercise  of  one  Right  in
    accordance with Section 11(a)(ii) or, if applicable, Section 9(b) (the
    consideration issuable per Right pursuant to this Section 24(a)  being
    the  "Exchange Consideration").  The Board of Directors  may,  at  its
    option, issue, in substitution for Preferred Shares, Common Shares  in
    an  amount equal to the number of Preferred Shares 

                                     -32-
<PAGE>

    multiplied  by  one
    hundred  (appropriately  adjusted to reflect any  stock  split,  stock
    dividend  or  similar transaction occurring after  the  date  hereof).
    Notwithstanding  the foregoing, the Board of Directors  shall  not  be
    empowered to effect such exchange at any time after any Person  (other
    than  the Company, any Subsidiary of the Company, any employee benefit
    plan  of  the  Company or any such Subsidiary, or any  entity  holding
    Common Shares for or pursuant to the terms of any such plan), together
    with  all  Affiliates  and  Associates of  such  Person,  becomes  the
    Beneficial Owner of 50% or more of the Common Shares then outstanding.

               (b)   Immediately upon the action of the Board of Directors
    of  the  Company ordering the exchange of any Rights pursuant to  para
    graph  (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  the  Exchange Consideration in exchange for each  such  Right
    held by such holder.  The Company shall promptly give public notice of
    any such exchange; provided, however, that the failure to give, or any
    defect in, such notice shall not affect the validity of such exchange.
    The  Company promptly shall mail a notice of any such exchange to  all
    of  the  holders of such Rights at their last addresses as they appear
    upon  the  registry books of the Rights Agent.  Any  notice  which  is
    mailed in the manner herein provided shall be deemed given, whether or
    not the holder receives the notice.  Each such notice of exchange will
    state  the method by which the exchange of the Rights for the Exchange
    Consideration  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)  The Company shall not be required to issue fractions of
    Common  Shares or to distribute certificates which evidence fractional
    Common  Shares.  In lieu of such fractional Common Shares, the Company
    shall  pay  to  the registered holders of the Right Certificates  with
    regard  to  which  such fractional Common Shares  would  otherwise  be
    issuable  an amount in cash equal to the same fraction of the  current
    market  value of a whole Common Share.  For the purposes of this  para
    graph  (c), 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 propose (i) to pay any dividend payable in stock of  any
    class  to  the  holders of its Preferred Shares or to make  any  other
    distribution  to  the holders of its Preferred Shares  (other  than  a
    regular quarterly cash dividend), (ii) to offer to the holders of  its
    Preferred  Shares rights or warrants to subscribe for or  to  purchase
    any additional Preferred Shares or shares of stock 

                                     -33-
<PAGE>

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

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

               Section  26.    Notices.  Notices or demands authorized  by
    this  Agreement  to be given or made by the Rights  Agent  or  by  the
    holder  of  any  Right  Certificate to or  on  the  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:

                   Emisphere Technologies, Inc.
                   15 Skyline Drive
                   Hawthorne, New York 10532
                   Attention:     President
               
    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

                                     -34-
<PAGE>

    prepaid, addressed (until another address is filed in writing with the
    Company) as follows:

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



    Notices or demands authorized by this Agreement to be given or made by
    the Company or the Rights Agent to the holder of any 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.   At  any  time
    prior  to the Distribution Date, the Company may, and the Rights Agent
    shall if the Company so directs, supplement or amend any provision  of
    this  Rights  Agreement (including, without limitation,  the  date  on
    which  the  Distribution Date shall occur, the time during  which  the
    Rights may be redeemed pursuant to Section 23 or any provision of  the
    Certificate of Designation) without the approval of any holder of  the
    Rights.   From  and  after  the  Distribution  Date  and  subject   to
    applicable  law, the Company may, and the Rights Agent  shall  if  the
    Company  so directs, amend this Rights Agreement without the  approval
    of  any holders of Right Certificates (i) to cure any ambiguity or  to
    correct  or  supplement any provision contained herein  which  may  be
    defective  or  inconsistent with any other provision  of  this  Rights
    Agreement or (ii) to make any other provisions in regard to matters or
    questions  arising hereunder which the Company may deem  necessary  or
    desirable  and which shall not adversely affect the interests  of  the
    holders  of Right Certificates (other than an Acquiring Person  or  an
    Affiliate  or  Associate of an Acquiring Person).  Any  supplement  or
    amendment  adopted during any period after any Person  has  become  an
    Acquiring Person but prior to the Distribution Date shall be null  and
    void unless such supplement or amendment could have been adopted under
    the  prior  sentence  from  and  after  the  Distribution  Date.   Any
    supplement or amendment to this Rights Agreement duly approved by  the
    Company  that  does not amend Sections 18, 19, 20 or 21  in  a  manner
    adverse  to  the Rights Agent shall become effective immediately  upon
    execution  by the Company, whether or not also executed by the  Rights
    Agent.   Notwithstanding anything contained in this Agreement  to  the
    contrary,  during  the  120-day period after  any  date  of  a  change
    (resulting from a proxy or consent solicitation) in a majority of  the
    Board  of  Directors of the Company in office at the  commencement  of
    such  solicitation, this Agreement may be supplemented or amended only
    if  (A)  there are directors then in office who were in office at  the
    commencement  of such solicitation and (B) the Board of  Directors  of
    the Company, with the concurrence of a 

                                     -35-
<PAGE>

    majority of such directors then
    in  office, determines that such supplement or amendment is, in  their
    judgment,  in  the best interests of the Company and its  stockholders
    and,   after  the  Distribution  Date,  the  holders  of   the   Right
    Certificates.

              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.  (a)  Nothing in
    this Agreement shall be construed to give to any person or corporation
    other than the Company, the Rights Agent and the registered holders of
    the  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).

               (b)   Except  as  explicitly  otherwise  provided  in  this
    Agreement,  the  Board  of Directors of the  Company  shall  have  the
    exclusive  power  and authority to administer this  Agreement  and  to
    exercise  all rights and powers specifically granted to the  Board  of
    Directors of the Company or to the Company, or as may be necessary  or
    advisable in the administration of this Agreement, including,  without
    limitation,  the  right and power to (i) interpret the  provisions  of
    this  Agreement and (ii) make all determinations deemed  necessary  or
    advisable for the administration of this Agreement (including, without
    limitation, a determination to redeem or not redeem the Rights  or  to
    amend   this  Agreement  and  a  determination  of  whether  an  offer
    constitutes  a  Qualifying Offer and whether  there  is  an  Acquiring
    Person).

               (c)  Nothing contained in this Agreement shall be deemed to
    be  in  derogation of the obligation of the Board of Directors of  the
    Company  to  exercise  its  fiduciary  duty.   Without  limiting   the
    foregoing,  nothing contained herein shall be construed to suggest  or
    imply that the Board of Directors shall not be entitled to reject  any
    Qualifying  Offer  or  any other tender offer, or  to  recommend  that
    holders  of  Common Shares reject any Qualifying Offer  or  any  other
    tender  offer,  or  to  take  any  other  action  (including,  without
    limitation,  the commencement, prosecution, defense or  settlement  of
    any  litigation and the submission of additional or alternative offers
    or  other proposals) with respect to any Qualifying Offer or any other
    tender  offer  that the Board of Directors believes  is  necessary  or
    appropriate in the exercise of such fiduciary duty.

               Section  30.     Severability.   If  any  term,  provision,
    covenant  or  restriction of this Agreement is  held  by  a  court  of
    competent  jurisdiction  or other authority to  be  invalid,  void  or
    unenforceable, the remainder of the terms, provisions,  covenants  and
    restrictions of 

                                     -36-
<PAGE>

    this Agreement shall remain in full force  and  effect
    and shall in no way be affected, impaired or invalidated.

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

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

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

               Section  34.    Termination.  Notwithstanding  anything  in
    this Rights Agreement to the contrary, prior to such time as there  is
    an  Acquiring Person the Board of Directors of the Company may approve
    entering into an agreement providing for a merger of the Company  with
    another Person, which agreement may provide that upon the consummation
    of  such  merger  the  Rights shall be canceled and  shall  terminate;
    should  the  Board  of  Directors give such approval  and  should  the
    Company enter into such an agreement, the Rights shall be canceled and
    terminated upon consummation of such merger without any further action
    and without any notice.

               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.



                                  EMISPHERE TECHNOLOGIES, INC.

    Attest:


    By:
      Title:                         Title:


                                     -37-
<PAGE>



                                  CONTINENTAL STOCK TRANSFER &
                                    TRUST COMPANY

    Attest:



    By:                                          By:
      Title:                          Title:





                                     -38-
<PAGE>


                                                                   Exhibit A


                                  FORM

                                   of

                      CERTIFICATE OF DESIGNATIONS

                                   of

        SERIES A JUNIOR PARTICIPATING CUMULATIVE PREFERRED STOCK

                                   of

                     EMISPHERE TECHNOLOGIES, INC.



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

                              ____________


               Emisphere  Technologies, Inc., a corporation organized  and
    existing  under the General Corporation Law of the State  of  Delaware
    (hereinafter  called  the "Corporation"), hereby  certifies  that  the
    following  resolution was adopted by the Board  of  Directors  of  the
    Corporation as required by Section 151 of the General Corporation  Law
    at a meeting of the Board of Directors duly held on February 23, 1996:

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

              Series A Junior Participating Cumulative Preferred Stock:

               Section 1.     Designation and Amount.  The shares of  such
    series   shall   be  

                                     A-1
<PAGE>

    designated  as  "Series  A  Junior  Participating
    Cumulative  Preferred  Stock" (the "Series A Preferred  Stock").   The
    number  of shares initially constituting the Series A Preferred  Stock
    shall  be  200,000; provided, however, that if more than  a  total  of
    200,000 shares of Series A Preferred Stock shall be issuable upon  the
    exercise  of  Rights  (the  "Right") issued  pursuant  to  the  Rights
    Agreement  dated as of February 23, 1996, between the Corporation  and
    Continental  Stock  Transfer & Trust Company,  as  Rights  Agent  (the
    "Rights  Agreement"),  the  Board of  Directors  of  the  Corporation,
    pursuant to Section 151(g) of the General Corporation Law of the State
    of  Delaware,  shall  direct  by  resolution  or  resolutions  that  a
    certificate be properly executed, acknowledged, filed and recorded, in
    accordance  with the provisions of Section 103 thereof, providing  for
    the  total number of shares of Series A Preferred Stock authorized  to
    be  issued  to  be  increased (to the extent that the  Certificate  of
    Incorporation  then  permits) to the largest number  of  whole  shares
    (rounded  up  to the nearest whole number) issuable upon  exercise  of
    such Rights.  Such number of shares may be decreased by resolution  of
    the  Board  of Directors; provided, that no decrease shall reduce  the
    number of shares of Series A Preferred Stock to a number less than the
    number  of shares then outstanding plus the number of shares  reserved
    for  issuance  upon  the exercise of outstanding  options,  rights  or
    warrants  or upon the conversion of any outstanding securities  issued
    by the Corporation convertible into Series A Preferred Stock.

              Section 2.     Dividends and Distributions.

               (A)  Subject to the rights of the holders of any shares  of
         any  series  of  Preferred Stock (or any similar  stock)  ranking
         prior  and superior to the Series A Preferred Stock with  respect
         to  dividends, the holders of shares of Series A Preferred Stock,
         in  preference to the holders of Common Stock, par value $.01 per
         share  (the "Common Stock"), of the Corporation, and of any other
         junior  stock,  shall be entitled to receive,  when,  as  and  if
         declared by the Board of Directors out of funds legally available
         for the purpose, quarterly dividends payable in cash on the first
         day  of  March, June, September and December in each  year  (each
         such  date  being  referred to herein as  a  "Quarterly  Dividend
         Payment  Date"),  commencing  on  the  first  Quarterly  Dividend
         Payment Date after the first issuance of a share or fraction of a
         share  of  Series  A  Preferred Stock, in  an  amount  per  share
         (rounded to the nearest cent) equal to the greater of (a)  $1  or
         (b)  subject  to  the  provision for adjustment  hereinafter  set
         forth,  100  times  the aggregate per share amount  of  all  cash
         dividends, and 100 times the aggregate per share amount  (payable
         in  kind) of all non-cash dividends or other distributions, other
         than  a  dividend  payable  in  shares  of  Common  Stock  or   a
         subdivision  of  the  outstanding  shares  of  Common  Stock  (by
         reclassification  or  otherwise), declared on  the  Common  Stock
         since  the immediately preceding Quarterly Dividend Payment  Date
         or,  with  respect to the first Quarterly Dividend Payment  Date,
         since  the first issuance of any share or fraction of a share  of
         Series A Preferred Stock.  In the event the Corporation shall  at
         any  time declare 

                                     A-2
<PAGE>

         or pay any dividend on the Common Stock payable
         in  shares of Common Stock (by reclassification or otherwise than
         by  payment  of  a  dividend in shares of Common  Stock)  into  a
         greater or lesser number of shares of Common Stock, then in  each
         such  case  the  amount to which holders of shares  of  Series  A
         Preferred  Stock were entitled immediately prior  to  such  event
         under  clause (b) of the preceding sentence shall be adjusted  by
         multiplying such amount by a fraction, the numerator of which  is
         the  number  of  shares  of Common Stock outstanding  immediately
         after  such event and the denominator of which is the  number  of
         shares of Common Stock that were outstanding immediately prior to
         such event.

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

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

               (D)   So long as any shares of the Series A Preferred Stock
         are  

                                     A-3
<PAGE>

         outstanding,  no dividends or other distributions  shall  be
         declared,  paid  or  distributed, or set  aside  for  payment  or
         distribution,  on  the Common Stock unless,  in  each  case,  the
         dividend required by this Section 2 to be declared on the  Series
         A Preferred Stock shall have been declared.

               (E)   The holders of the shares of Series A Preferred Stock
         shall   not  be  entitled  to  receive  any  dividends  or  other
         distributions except as provided herein.

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

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

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

               (C)   If, at the time of any annual meeting of stockholders
         for  the  election of directors, the equivalent of six  quarterly
         dividends  (whether or not consecutive) payable on any  share  or
         shares of Series A Preferred Stock are in default, the number  of
         directors  constituting the Board of Directors of the Corporation
         shall  be increased by two.  In addition to voting together  with
         the  holders of Common Stock for the election of other  directors
         of  the  Corporation,  the holders of  record  of  the  Series  A
         Preferred Stock, voting separately as a class to the exclusion of
         the holders of Common Stock, shall be entitled at said meeting of
         stockholders   (and   at  each  

                                     A-4
<PAGE>

         subsequent  annual   meeting   of
         stockholders), unless all dividends in arrears have been paid  or
         declared and set apart for payment prior thereto, to vote for the
         election of two directors of the Corporation, the holders of  any
         Series  A  Preferred Stock being entitled to cast that number  of
         votes  per  share  of Series A Preferred Stock  as  specified  in
         clause  (A) of this Section 3.  Until the default in payments  of
         all  dividends  which permitted the election  of  said  directors
         shall cease to exist, any director who shall have been so elected
         pursuant  to  the next preceding sentence may be removed  at  any
         time, either with or without cause, only by the affirmative  vote
         of  the holders of the shares of Series A Preferred Stock at  the
         time entitled to cast a majority of the votes entitled to be cast
         for  the  election of any such director at a special  meeting  of
         such  holders  called for that purpose, and any  vacancy  thereby
         created  may be filled by the vote of such holders.  If and  when
         such  default shall cease to exist, the holders of the  Series  A
         Preferred Stock shall be divested of the foregoing special voting
         rights,  subject  to revesting in the event  of  each  and  every
         subsequent  like  default in payments  of  dividends.   Upon  the
         termination of the foregoing special voting rights, the terms  of
         office  of  all  persons  who  may have  been  elected  directors
         pursuant to said special voting rights shall forthwith terminate,
         and  the  number of directors constituting the Board of Directors
         shall  be  reduced  by two.  The voting rights  granted  by  this
         Section  3(C)  shall  be in addition to any other  voting  rights
         granted  to the holders of the Series A Preferred Stock  in  this
         Section 3.

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

              Section 4.     Certain Restrictions.

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

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

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

                                     A-5
<PAGE>

              except
              dividends  paid ratably on the Series A Preferred Stock  and
              all  such parity stock on which dividends are payable or  in
              arrears  in  proportion to the total amounts  to  which  the
              holders of all such shares are then entitled;

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

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

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

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

              Section 6.     Liquidation, Dissolution or Winding Up.  Upon
    any  liquidation,  dissolution or winding up of  the  Corporation,  no
    distribution  shall  be made (1) to the holders  of  shares  of  stock
    ranking   junior   (either  as  to  dividends  or  upon   liquidation,
    dissolution  or  winding up) to the Series A Preferred  Stock  unless,
    prior thereto, the holders of shares of Series A Preferred Stock shall
    have  received  $100 per share, plus an amount equal  to  

                                     A-6
<PAGE>

    accrued  and
    unpaid  dividends and distributions thereon, whether or not  declared,
    to  the  date of such payment, provided that the holders of shares  of
    Series  A  Preferred Stock shall be entitled to receive  an  aggregate
    amount  per share, subject to the provision for adjustment hereinafter
    set  forth,  equal to 100 times the aggregate amount to be distributed
    per  share to holders of shares of Common Stock, or (2) to the holders
    of shares of stock ranking on a parity (either as to dividends or upon
    liquidation,  dissolution or winding up) with the Series  A  Preferred
    Stock,  except  distributions made ratably on the Series  A  Preferred
    Stock and all such parity stock in proportion to the total amounts  to
    which  the  holders  of  all  such  shares  are  entitled  upon   such
    liquidation, dissolution or winding up.  In the event the  Corporation
    shall  at  any  time declare or pay any dividend on the  Common  Stock
    payable  in  shares  of  Common Stock,  or  effect  a  subdivision  or
    combination or consolidation of the outstanding shares of Common Stock
    (by  reclassification or otherwise than by payment of  a  dividend  in
    shares  of Common Stock) into a greater or lesser number of shares  of
    Common  Stock,  then in each such case the aggregate amount  to  which
    holders   of  shares  of  Series  A  Preferred  Stock  were   entitled
    immediately prior to such event under the proviso in clause (1) of the
    preceding sentence shall be adjusted by multiplying such amount  by  a
    fraction  the  numerator of which is the number of  shares  of  Common
    Stock outstanding immediately after such event and the denominator  of
    which  is  the number of shares of Common Stock that were  outstanding
    immediately prior to such event.

               Section  7.      Consolidation, Merger, etc.  In  case  the
    Corporation shall enter into any consolidation, merger, combination or
    other  transaction in which the shares of Common Stock  are  exchanged
    for  or changed into other stock or securities, cash and/or any  other
    property, then in any such case each share of Series A Preferred Stock
    shall  at  the  same time be similarly exchanged or  changed  into  an
    amount  per share, subject to the provision for adjustment hereinafter
    set  forth,  equal  to  100  times  the  aggregate  amount  of  stock,
    securities,  cash and/or any property (payable in kind), as  the  case
    may  be, into which or for which each share of Common Stock is changed
    or  exchanged.  In the event the Corporation shall at any time declare
    or  pay  any dividend on the Common Stock payable in shares of  Common
    Stock, or effect a subdivision or combination or consolidation of  the
    outstanding  shares of Common Stock (by reclassification or  otherwise
    than  by  payment  of  a dividend in shares of Common  Stock)  into  a
    greater or lesser number of shares of Common Stock, then in each  such
    case  the  amount set forth in the preceding sentence with respect  to
    the exchange or change of shares of Series A Preferred Stock shall  be
    adjusted  by  multiplying such amount by a fraction, the numerator  of
    which  is the number of shares of Common Stock outstanding immediately
    after  such event and the denominator of which is the number of shares
    of Common Stock that were outstanding immediately prior to such event.
    In  the event both this Section 7 and Section 2 appear to apply  to  a
    transaction, this Section 7 shall control.

               Section  8.      No  Redemption.  The shares  of  Series  A
    Preferred Stock shall 

                                     A-7
<PAGE>

    not be redeemable; provided, however,  that  the
    Corporation  may purchase or otherwise acquire outstanding  shares  of
    Series  A Preferred Stock in the open market or by offer to any holder
    or holders of shares of Series A Preferred Stock.

               Section  9.      Rank.  The Series A Preferred Stock  shall
    rank, with respect to the payment of dividends and the distribution of
    assets,  junior to all series of any other class of the  Corporation's
    Preferred  Stock,  unless  the Board of Directors  shall  specifically
    determine  otherwise in fixing the powers, preferences  and  relative,
    participating, optional and other special rights of the shares of such
    series and the qualifications, limitations and restrictions thereof.

               Section  10.     Fractional Shares.  The Series A Preferred
    Stock shall be issuable upon exercise of the Rights issued pursuant to
    the  Rights  Agreement in whole shares or in any fraction of  a  share
    that  is  one  one-hundredths (1/100ths) of a share  or  any  integral
    multiple  of  such  fraction  which  shall  entitle  the  holder,   in
    proportion  to such holder's fractional shares, to receive  dividends,
    exercise  voting rights, participate in distributions and to have  the
    benefit  of  all other rights of holders of Series A Preferred  Stock.
    In  lieu  of  fractional shares, the Corporation, prior to  the  first
    issuance  of  a share or a fraction of a share of Series  A  Preferred
    Stock,  may elect (l) to make a cash payment as provided in the Rights
    Agreement  for  fractions  of a share other  than  one  one-hundredths
    (1/100ths) of a share or any integral multiple thereof or (2) to issue
    depository receipts evidencing such authorized fraction of a share  of
    Series  A Preferred Stock pursuant to an appropriate agreement between
    the Corporation and a depository selected by the Corporation; provided
    that  such agreement shall provide that the holders of such depository
    receipts  shall  have all the rights, privileges  and  preferences  to
    which they are entitled as holders of the Series A Preferred Stock.

               Section 11.    Amendment.  The Certificate of Incorporation
    of  the  Corporation  shall not be amended in any manner  which  would
    materially  alter or change the powers, preferences or special  rights
    of the Series A Preferred Stock so as to affect them adversely without
    the  affirmative  vote of the holders of at least  two-thirds  of  the
    outstanding shares of Series A Preferred Stock, voting together  as  a
    single class.

                                     A-8
<PAGE>


               IN  WITNESS  WHEREOF, this Certificate of  Designations  is
    executed  on behalf of the Corporation by its Chief Executive  Officer
    and attested by its Secretary this 5th day of March, 1996.



                                EMISPHERE TECHNOLOGIES, INC.



                                By:
                                     Michael M. Goldberg, M.D.
                                     Chairman and Chief Executive Officer


    Attest:

    ______________________________
    Sam J. Milstein, Ph.D.
    President, Chief Scientific
    Officer and Secretary

                                     A-9
<PAGE>

                                                            Exhibit B
                       Form of Right Certificate


    Certificate No. R-                                  ______ Rights


              NOT EXERCISABLE AFTER FEBRUARY 23, 2006 OR EARLIER IF
              REDEMPTION OR EXCHANGE OCCURS.  THE RIGHTS ARE SUB-
              JECT TO REDEMPTION AT $.01 PER RIGHT AND TO EXCHANGE
              ON THE TERMS SET FORTH IN THE RIGHTS AGREEMENT.


                           Right Certificate

                      EMISPHERE TECHNOLOGIES, INC.

                This  certifies  that  ______________________________,  or
    registered  assigns, is the registered owner of the number  of  Rights
    set forth above, each of which entitles the owner thereof, subject  to
    the terms, provisions and conditions of the Rights Agreement, dated as
    of  February  23,  1996  (the "Rights Agreement"),  between  Emisphere
    Technologies,  Inc.,  a  Delaware  corporation  (the  "Company"),  and
    Continental  Stock Transfer & Trust Company (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 February 23, 2006 at the principal office  of
    the  Rights Agent, or at the office of its successor as Rights  Agent,
    one  one-hundredth of a fully paid non-assessable share  of  Series  A
    Junior  Participating Cumulative Preferred Stock, par value  $.01  per
    share (the "Preferred Shares"), of the Company, at a purchase price of
    $80 per one one-hundredth of a Preferred Share (the "Purchase Price"),
    upon  presentation  and surrender of this Right Certificate  with  the
    Form  of  Election  to Purchase duly executed. The  number  of  Rights
    evidenced by this Right Certificate (and the number and kind of shares
    which may be purchased upon exercise hereof) set forth above, and  the
    Purchase Price set forth above, are the number and kind of shares  and
    Purchase Price as of February 23, 1996, based on the Preferred  Shares
    as  constituted at such date. As provided in the Rights Agreement, the
    Purchase  Price  and  the  number and kind  of  shares  which  may  be
    purchased  upon  the exercise of the Rights evidenced  by  this  Right
    Certificate  are  subject  to modification  and  adjustment  upon  the
    happening of certain events.

              If the Rights evidenced by this Right Certificate are at any
    time  beneficially  owned by an Acquiring Person or  an  Affiliate  or
    Associate  of  an Acquiring Person (as such terms are defined  in  the
    Rights   Agreement),  such  Rights  shall  be  null   and   void   and

                                     B-1
<PAGE>

    nontransferable  and  the  holder of any  such  Right  (including  any
    purported transferee or subsequent holder) shall not have any right to
    exercise or transfer any such Right.

               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 Agreement are on file at the principal executive offices
    of the Company and the above-mentioned offices of the Rights Agent.

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

               Subject  to  the  provisions of the 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 Preferred Shares or shares  of  the
    Company's Common Stock, par value $.01 per share.

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

               No  holder  of this Right Certificate shall be entitled  to
    vote  or receive dividends or be deemed for any purpose the holder  of
    the  Preferred Shares or of any other securities of the Company  which
    may at any time be issuable on the exercise hereof, nor shall anything
    contained  in  the 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

                                     B-2
<PAGE>

       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-3
<PAGE>

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

    ATTEST:

                                  EMISPHERE TECHNOLOGIES, INC.



                          By


    Countersigned:

    CONTINENTAL STOCK TRANSFER & TRUST COMPANY


    By
              Authorized Officer



                                     B-4
<PAGE>
   
               Form of Reverse Side of Right Certificate

                           FORM OF ASSIGNMENT

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

                            FOR               VALUE               RECEIVED
    ____________________________________________
    hereby       sells,       assigns       and       transfers       unto
    ____________________________________________
    ______________________________________________________________________
    ___________
                     (Please print name and address of transferee)
    ______________________________________________________________________
    ___________
    this  Right  Certificate, together with all right, title and  interest
    therein,   and   does  hereby  irrevocably  constitute   and   appoint
    _________________________  Attorney,  to  transfer  the  within  Right
    Certificate on the books of the within-named Company, with full  power
    of substitution.

    Dated:



     _______________________________________
                                     Signature



    Signature Guaranteed:

               Signatures  must  be  guaranteed  by  a  participant  in  a
    Securities Transfer Association ("STA") recognized signature program.

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

               The  undersigned hereby certifies that the Rights evidenced
    by  this  Right Certificate are not beneficially owned by an Acquiring
    Person  or an Affiliate or Associate 

                                     B-5
<PAGE>


    thereof (as defined in the Rights
    Agreement).

                                  _______________________________________
                                       Signature




                                     B-6
<PAGE>
   
         Form of Reverse Side of Right Certificate -- continued

                      FORM OF ELECTION TO PURCHASE

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


    To:  EMISPHERE TECHNOLOGIES, INC.

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

    Please insert social security
    or other identifying number


                    (Please print name and address)



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

    Please insert social security
    or other identifying number


                    (Please print name and address)



    Dated:


                                                 Signature

    Signature Guaranteed:


                                     B-7
<PAGE>
   
               Signatures  must  be  guaranteed  by  a  participant  in  a
    Securities Transfer Association ("STA") recognized signature program.

         Form of Reverse Side of Right Certificate -- continued

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

          The  undersigned hereby certifies that the Rights  evidenced  by
    this  Right  Certificate are not beneficially owned  by  an  Acquiring
    Person  or an Affiliate or Associate thereof (as defined in the 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,  the  Company  and the  Rights  Agent  will  deem  the
    beneficial owner of the Rights evidenced by this Right Certificate  to
    be  an  Acquiring  Person  or an Affiliate or  Associate  thereof  (as
    defined  in  the Rights Agreement) and such Assignment or Election  to
    Purchase will not be honored.



                                     B-8
<PAGE>
   

                               Exhibit C


                     SUMMARY OF RIGHTS TO PURCHASE
                            PREFERRED SHARES

               On  February 23, 1996, the Board of Directors of  Emisphere
    Technologies,  Inc.  (the  "Company")  declared  a  dividend  of   one
    preferred share purchase right (a "Right") for each outstanding  share
    of  common  stock, par value $.01 per share (the "Common Shares"),  of
    the  Company.  The dividend is payable on March 15, 1996 (the  "Record
    Date") to the stockholders of record at the close of business on  that
    date.  Each Right entitles the registered holder to purchase from  the
    Company  one one-hundredth of a share of Series A Junior Participating
    Cumulative  Preferred Stock, par value $.01 per share (the  "Preferred
    Shares"), of the Company at a price of $80 per one one-hundredth of  a
    Preferred  Share  (the "Purchase Price"), subject to adjustment.   The
    description  and  terms  of  the Rights are  set  forth  in  a  Rights
    Agreement (the "Rights Agreement") between the Company and Continental
    Stock Transfer & Trust Company, 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
    20%  or more of the outstanding Common Shares or (ii) 10 business days
    (or  such  later date as may be determined by action of the  Board  of
    Directors  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 20% or more of the outstanding Common Shares (the
    earlier  of  such  dates  being called the "Distribution  Date"),  the
    Rights  will  be  evidenced, with respect to any of the  Common  Share
    certificates  outstanding as of the Record Date, by such Common  Share
    certificate with a copy of this Summary of Rights attached thereto.

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

                                     C-1
<PAGE>
    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 February 23, 2006 (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  Preferred
    Shares or other securities or property issuable, upon exercise of  the
    Right  are subject to adjustment from time to time to prevent dilution
    (i) in the event of a stock dividend on, or a subdivision, combination
    or  reclassification of, the Preferred Shares, (ii) upon the grant  to
    holders  of  the  Preferred Shares of certain rights  or  warrants  to
    subscribe  for  or  purchase Preferred Shares with a conversion  price
    less  than  the then-current market price of the Preferred  Shares  or
    (iii)  upon  the  distribution to holders of the Preferred  Shares  of
    evidences  of indebtedness or assets (excluding regular periodic  cash
    dividends  paid  out  of  earnings or retained earnings  or  dividends
    payable  in  Preferred Shares) or of subscription rights  or  warrants
    (other than those referred to above).

               The number of outstanding Rights and the number of one one-
    hundredths  of a Preferred Share issuable upon exercise of each  Right
    are  also subject to adjustment in the event of a stock split  of  the
    Common  Shares  or  a stock dividend on the Common Shares  payable  in
    Common  Shares or subdivisions, consolidations or combinations of  the
    Common  Shares occurring, in any such case, prior to the  Distribution
    Date.

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

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

                                     C-2
<PAGE>
    
               In  the  event that the Company is acquired in a merger  or
    other  business  combination  transaction  or  50%  or  more  of   its
    consolidated assets or earning power are sold after a person or  group
    has  become an Acquiring Person, proper provision will be made so that
    each holder of a Right will thereafter have the right to receive, upon
    the  exercise thereof at the then current exercise price of the Right,
    that  number of shares of common stock of the acquiring company  which
    at  the time of such transaction will have a market value of two times
    the  exercise  price of the Right.  In the event that  any  person  or
    group of affiliated or associated persons becomes an Acquiring Person,
    proper  provision shall be made so that each holder of a Right,  other
    than  Rights  beneficially owned by the Acquiring Person  (which  will
    thereafter  be void), will thereafter have the right to  receive  upon
    exercise  such  number of one one-hundredths of a Preferred  Share  as
    shall  equal  the result obtained by (x) multiplying the then  current
    Purchase  Price  by the number of one one-hundredths  of  a  Preferred
    Share  for which a Right is then exercisable and dividing that product
    by (y) 50% of the then current per share market price of the Company's
    Common Shares.

               At  any time after any person or group becomes an Acquiring
    Person and prior to the acquisition by such person or group of 50%  or
    more  of the outstanding Common Shares, the Board of Directors of  the
    Company  may  exchange  the Rights (other than Rights  owned  by  such
    person or group which will have become void), in whole or in part, for
    consideration  consisting of one-half the securities  of  the  Company
    that would be issuable at such time upon exercise of one Right.

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

              At any time prior to the tenth day following the acquisition
    by a person or group of affiliated or associated persons of beneficial
    ownership  of 20% or more of the outstanding Common Shares, the  Board
    of Directors of the Company may redeem the Rights in whole, but not in
    part, at a price of $.01 per Right (the "Redemption Price"); provided,
    however,  that,  for the 120-day period after any  date  of  a  change
    (resulting from a proxy or consent solicitation) in a majority of  the
    Board  of  Directors of the Company in office at the  commencement  of
    such  solicitation, the Rights may only be redeemed if (A)  there  are
    directors  then  in office who were in office at the  commencement  of
    such  solicitation and (B) the Board of Directors of the Company, with
    the  concurrence  of  a  majority of such directors  then  in  office,
    determines  that such redemption is, in their judgment,  in  the  best
    interests of 

                                     C-3
<PAGE>

    the Company and its stockholders.  The Redemption of  the
    Rights  may  be  made effective at such time on such basis  with  such
    conditions  as  the  Board  of Directors in its  sole  discretion  may
    establish.  Immediately upon any redemption of the Rights,  the  right
    to  exercise  the  Rights will terminate and the  only  right  of  the
    holders of Rights will be to receive the Redemption Price.

               The Rights will not become exercisable in connection with a
    "Qualifying  Offer,"  which  is  an  all-cash  tender  offer  for  all
    outstanding Common Shares that is fully financed, remains open  for  a
    period  of  at  least  45 business days, assures a prompt  second-step
    acquisition of shares not purchased in the initial offer at  the  same
    price as the initial offer and meets certain other requirements.

               The  terms  of the Rights may be amended by  the  Board  of
    Directors  of  the Company without the consent of the holders  of  the
    Rights,  except  that  from  and after a  Distribution  Date  no  such
    amendment  may  adversely affect the interests of the holders  of  the
    Rights.

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

               A  copy  of  the Rights Amendment has been filed  with  the
    Securities  and  Exchange Commission as an Exhibit to  a  Registration
    Statement  on  Form  8-A dated March 5, 1996.  A copy  of  the  Rights
    Agreement is available free of charge from the Company.  This  summary
    description  of  the  Rights does not purport to be  complete  and  is
    qualified in its entirety by reference to the Rights Agreement,  which
    is hereby incorporated herein by reference.




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