TEKNOWLEDGE CORP
8-A12G, 1996-02-16
COMPUTER PROGRAMMING SERVICES
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                                     Page 1


                       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


                             TEKNOWLEDGE CORPORATION
               --------------------------------------------------
               (Exact name of registrant as specified in charter)


Delaware                                               94-2760916
- ----------------                                       -------------------
(State of                                              (IRS Employer
incorporation                                          Identification No.)
or organization)


        1810 Embarcadero Road, Palo Alto, California             94303
        -------------------------------------------------------------------
        (Address of registrant's principal executive offices)    (Zip Code)


Registrant's telephone number,
including area code:  (415) 424-0500
                      --------------


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

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

      None                                                        None
- -------------------                                      ----------------------
- -------------------                                      ----------------------



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

                          Common Stock Purchase Rights
        ----------------------------------------------------------------
                                (Title of Class)


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                                     Page 2


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

      On January 29, 1996,  the Board of Directors  of  Teknowledge  Corporation
(the  "Company")  declared a dividend  distribution of one Common Stock Purchase
Right (each a "Right" and collectively the "Rights") for each outstanding  share
of  Common  Stock,  par  value  $.01  ("Common  Stock"),  of  the  Company.  The
distribution  was  paid  as  of  February  12,  1996  (the  "Record  Date"),  to
stockholders of record on that date.  Each Right entitles the registered  holder
to  purchase  from the  Company one  one-hundredth  of a share of the  Company's
Series A Preferred Stock, $.01 par value (the "Preferred  Stock"), at a price of
$2.00 (the "Purchase  Price").  The  description and terms of the Rights are set
forth in the  Rights  Agreement  dated  as of  January  29,  1996  (the  "Rights
Agreement"), between the Company and Registrar and Transfer Company (the "Rights
Agent").

      Until the earlier to occur of (i) the tenth day  following  the first date
of public  announcement  by the Company or by a person or group of affiliated or
associated persons ("Acquiring Person"),  other than the Company, any subsidiary
of the  Company  or any  employee  benefit  plan or  employee  stock plan of the
Company or any of any subsidiary of the Company ("Exempt Person"),  that such an
Acquiring  Person  has  acquired,  or  obtained  the right to  acquire,  without
approval of the Board of Directors or good faith  determination  of the Board of
Directors  that such a person or group of affiliated  or associated  persons has
inadvertently become an Acquiring Person,  beneficial ownership of securities of
the Company  representing  15% or more of the  outstanding  Common  Stock of the
Company (other than solely as a result of a reduction in the outstanding  shares
of the Common  Stock of the  Company) or such  earlier date as a majority of the
Board of Directors  shall become aware of such  acquisition  of the Common Stock
(the "Stock Acquisition Date") (or, if the tenth day after the Stock Acquisition
Date occurs before the Record Date, the close of business on the Record Date) or
(ii) the tenth business day (subject to extension by the Board prior to the time
a person becomes an Acquiring  Person)  following the commencement of, or public
announcement  of an  intention to  commence,  a tender or exchange  offer by any
person (other than by an Exempt Person),  the consummation of which would result
in the beneficial  ownership of 15% or more of the  outstanding  Common Stock by
such person,  together with its affiliates  and associates  (the earlier of such
dates being called the "Distribution Date"), the Rights will be evidenced,  with
respect to all shares of Common  Stock  that are  issued  after the Record  Date
prior to the  Distribution  Date (or earlier  redemption  or  expiration  of the
Rights), by certificates  representing such shares of Common Stock together with
the 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  represented  by and  transferred  with,  and only with,  the
Common Stock.  Until the Distribution Date (or earlier  redemption or expiration
of the Rights),  new certificates  issued for Common Stock  (including,  without
limitation, certificates issued upon transfer or exchange of Common Stock) after
the Record Date,  will contain a legend  incorporating  the Rights  Agreement by
reference.  Until the Distribution Date (or earlier  redemption or expiration of
the Rights),  the surrender  for transfer of any of the  Company's  Common Stock
certificates,  with or without  the  aforesaid  legend or the  Summary of Rights

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                                     Page 3


attached  thereto,  will also  constitute the transfer of the Rights  associated
with the Common Stock  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  Company's
Common  Stock as of the close of business  on the  Distribution  Date,  and such
separate  certificates  alone  will  evidence  the  Rights  from and  after  the
Distribution Date.

      The Rights are not  exercisable  until the  Distribution  Date. The Rights
will  expire at the close of  business  on  January  28,  2006,  unless  earlier
redeemed or exchanged by the Company as described below.

      The Purchase Price payable, and the number of shares of Preferred Stock or
other securities or property  issuable,  upon exercise of the Rights are subject
to adjustment from time to time to prevent  dilution (i) in the event of a stock
dividend on, or a subdivision,  combination or reclassification of the Preferred
Stock,  (ii) upon the grant to holders of the Preferred  Stock of certain rights
or warrants to subscribe for Preferred  Stock or convertible  securities at less
than  the  current  market  price  of the  Preferred  Stock  or  (iii)  upon the
distribution  to holders of the Preferred  Stock of evidences of indebtedness or
assets  (excluding  dividends  payable in  Preferred  Stock) or of  subscription
rights or warrants  (other than those  referred to above).  The number of Rights
associated  with each share of Common Stock is also subject to adjustment in the
event of a stock  split of the Common  Stock or a stock  dividend  on the Common
Stock payable in Common Stock or subdivisions, consolidations or combinations of
the Common Stock occurring, in any such case, prior to the Distribution Date.

      The  Preferred  Stock  purchasable  upon  exercise  of the Rights  will be
nonredeemable  and junior to any other series of preferred stock the Company may
issue (unless otherwise provided in the terms of such other series).  Each share
of Preferred Stock will have a preferential  cumulative quarterly dividend in an
amount equal to the greater of (a) $50.00 or (b) 100 times the dividend declared
on each  share of Common  Stock.  In the event of  liquidation,  the  holders of
Preferred  Stock  will  receive a  preferred  liquidation  payment  equal to the
greater  of (a)  $200.00  per  share,  plus  accrued  dividends  to the  date of
distribution whether or not earned or declared, or (b) an amount per share equal
to 100 times the aggregate  payment to be distributed per share of Common Stock.
Each share of  Preferred  Stock will have 100 votes,  voting  together  with the
shares  of Common  Stock.  In the event of any  merger,  consolidation  or other
transaction  in which shares of Common Stock are  exchanged  for or changed into
other securities, cash and/or other property, each share of Preferred Stock will
be entitled to receive 100 times the amount and type of  consideration  received
per share of Common Stock.  The rights of the  Preferred  Stock as to dividends,
liquidation  and  voting,  and in the event of mergers and  consolidations,  are
protected by customary anti-dilution provisions.  Fractional shares (in integral
multiples of one  one-hundredth)  of Preferred Stock will be issuable;  however,
the  Company  may  elect  to  distribute  depositary  receipts  in  lieu of such
fractional  shares.  In lieu of fractional  shares other than fractions that are
multiples of one  one-hundredth  of a share,  an adjustment in cash will be made

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                                     Page 4


based on the market price of the Preferred  Stock on the last trading date prior
to the  date  of  exercise.  Because  of the  nature  of the  Preferred  Stock's
dividend,  liquidation and voting rights,  the value of one  one-hundredth  of a
share  of  Preferred  Stock  purchasable  upon  exercise  of each  Right  should
approximate the value of one share of Common Stock.

      In the event  (i) any  person  (other  than an  Exempt  Person),  alone or
together with its affiliates or associates,  becomes the beneficial owner of 15%
or more of the then  outstanding  shares of Common  Stock or (ii) any  Acquiring
Person or any of its  Affiliates  or  Associates,  directly or  indirectly,  (1)
consolidates  with or merges  into the  Company  or any of its  subsidiaries  or
otherwise  combines with the Company or any of its subsidiaries in a transaction
in  which  the  Company  or  such  subsidiary  is the  continuing  or  surviving
corporation  of such merger or  combination  and the Common Stock of the Company
remains outstanding and no shares thereof shall be changed into or exchanged for
stock or other  securities  of any other person or of the Company or cash or any
other property, (2) transfers, in on one or more transactions, any assets to the
Company or any of its  subsidiaries in exchange for capital stock of the Company
or any of its subsidiaries or for securities exercisable for or convertible into
capital  stock of the Company or any of its  subsidiaries  or otherwise  obtains
from the Company or any of its subsidiaries, with or without consideration,  any
capital  stock  of  the  Company  or  any  of  its  subsidiaries  or  securities
exercisable  for or convertible  into capital stock of the Company or any of its
subsidiaries  (other  than as part of a pro rata  offer or  distribution  to all
holders of such stock),  (3) sells,  purchases,  leases,  exchanges,  mortgages,
pledges,  transfers or otherwise disposes to, from or with the Company or any of
its  subsidiaries,  as the case may be,  assets  on terms  and  conditions  less
favorable to the Company or such  subsidiary than the Company or such subsidiary
would be able to obtain in arm's-length  negotiation with an unaffiliated  third
party, (4) receives any compensation from the Company or any of its subsidiaries
for services  other than  compensation  for employment as a regular or part-time
employee,  or fees for  serving as a director  at rates in  accordance  with the
Company's (or its subsidiary's) past practice,  (5) receives the benefit (except
proportionately as a stockholder) of any loans, advances, guarantees, pledges or
other  financial  assistance or tax credit or  advantage,  or (6) engages in any
transaction  with the Company (or any of its  subsidiaries)  involving the sale,
license,  transfer  or grant of any right in, or  disclosure  of,  any  patents,
copyrights,  trade secrets, trademarks or know-how (or any other intellectual or
industrial property rights recognized under any country's  intellectual property
rights  laws) which the Company  (including  its  subsidiaries)  owns or has the
right to use on terms and  conditions  not approved by the Board of Directors of
the Company, or (iii) while there is an Acquiring Person,  there shall occur any
reclassification  of  securities   (including  any  reverse  stock  split),  any
recapitalization  of the Company,  or any merger or consolidation of the Company
with any of its subsidiaries or any other transaction or transactions  involving
the Company or any of its  subsidiaries  (whether or not involving the Acquiring
Person) which have the effect of  increasing  by more than 1% the  proportionate
share of the outstanding shares of any class of equity securities of the Company
or any of its  subsidiaries  which is directly or indirectly owned or controlled
by the Acquiring Person (such events are collectively  referred to herein as the

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                                     Page 5


"Flip-In  Events"),  then,  and in each such  case,  each  holder of record of a
Right,  other  than the  Acquiring  Person,  will  thereafter  have the right to
receive,  upon  payment  of the  then  current  Purchase  Price,  in lieu of one
one-hundredth of a share of Preferred Stock per outstanding  Right,  that number
of shares of Common Stock  having a market value at the time of the  transaction
equal to the  Purchase  Price  (as  adjusted  to the  Purchase  Price in  effect
immediately  prior  to  the  Flip-In  Event  multiplied  by  the  number  of one
one-hundredths  of a share of Preferred  Stock for which a Right was exercisable
immediately  prior to such Flip-In Event) divided by one-half the average of the
daily  closing  prices per share of the Common Stock for the thirty  consecutive
trading  days  ("Current  Market  Price")  on the  date of such  Flip-In  Event.
Notwithstanding  the  foregoing,  Rights  held by the  Acquiring  Person  or any
Associate or Affiliate thereof or certain  transferees will be null and void and
no longer be transferable.

      The  Company  may at its  option  substitute  for a share of Common  Stock
issuable  upon the exercise of Rights in  accordance  with this  paragraph  such
number or  fractions of shares of  Preferred  Stock having an aggregate  current
market value equal to the Current  Market Price of a share of Common  Stock.  In
the event that  insufficient  shares of Common Stock are available to permit the
exercise in full of the Rights in accordance with the foregoing  paragraph,  the
Board of Directors  shall,  to the extent  permitted by  applicable  law and any
material  agreements  then in  effect  to which  the  Company  is a  party,  (A)
determine the excess (such excess,  the "Spread") of (1) the value of the shares
of Common Stock  issuable upon the exercise of a Right in  accordance  with this
paragraph  (the  "Current  Value")  over (2) the  Purchase  Price,  and (B) with
respect to each Right (other than Rights which have become void  pursuant to the
foregoing  paragraph),  make adequate  provision to substitute for the shares of
Common Stock  issuable in accordance  with this  paragraph  upon exercise of the
Right and payment of the  Purchase  Price,  (1) cash,  (2) a  reduction  in such
Purchase Price, (3) shares of Preferred Stock or other equity  securities of the
Company  (including,  without  limitation,  shares  or  fractions  of  shares of
preferred  stock which,  by virtue of having  dividend,  voting and  liquidation
rights  substantially  comparable  to those of the shares of Common  Stock,  are
deemed in good faith by the Board of  Directors to have  substantially  the same
value as the shares of Common Stock,  (4) debt  securities  of the Company,  (5)
other assets,  or (6) any  combination of the  foregoing,  having a value which,
when  added to the value of the  shares of Common  Stock  actually  issued  upon
exercise of such Right, shall have an aggregate value equal to the Current Value
(less the amount of any reduction in such Purchase  Price);  provided,  however,
that if the Company shall not make adequate  provision to deliver value pursuant
to clause (B) above within thirty (30) days  following the Flip-In  Event,  then
the Company shall be obligated to deliver, to the extent permitted by applicable
law and any material  agreements then in effect to which the Company is a party,
upon the surrender for exercise of a Right and without requiring payment of such
Purchase Price,  shares of Common Stock (to the extent available),  and then, if
necessary,  such number or fractions of shares of Preferred Stock (to the extent
available)  and then,  if  necessary,  cash,  which  shares  and/or cash have an
aggregate value equal to the Spread.  Rights are not  exercisable  following the
occurrence  of the  events  set  forth  in the  foregoing  paragraph  until  the
expiration  of the period  during  which the Rights may be redeemed as described
below.

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                                     Page 6


      Unless the Rights are earlier  redeemed,  in the event that  following the
first occurrence of a Flip-In Event, the Company were to be acquired in a merger
or other business  combination in which any shares of the Company's Common Stock
are exchanged or converted  for other  securities or assets (other than a merger
or other  business  combination  in which the voting  power  represented  by the
Company's  securities   outstanding   immediately  prior  thereto  continues  to
represent all of the voting power  represented  by the securities of the Company
thereafter  and the holders of such  securities  have not changed as a result of
such transaction),  or 50% or more of the assets or earning power of the Company
and its subsidiaries (taken as a whole) were to be sold or transferred in one or
a series of related transactions (such transactions are collectively referred to
herein as the "Flip-Over  Events"),  the Rights  Agreement  provides that proper
provision  shall be made so that each holder of record of a Right (other than an
Acquiring Person, or affiliates or associates  thereof) will from and after such
date have the right to receive, upon payment of the then current Purchase Price,
that number of shares of common stock of the acquiring  company  having a market
value at the time of such  transaction  equal to the Purchase  Price  divided by
one-half the Current Market Price of such common stock.

      No  fractional  shares of Common Stock will be issued upon exercise of the
Rights  and,  in lieu  thereof,  a payment in cash will be made to the holder of
such Rights equal to the same fraction of the current market value of a share of
Common Stock.

      At any time until the occurrence of a Flip-In Event,  the Board may redeem
the Rights in whole, but not in part, at a price of $.001 per Right. Immediately
upon the action of the Board of Directors of the Company authorizing  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 without
any interest thereon.

      At any time  after  the  occurrence  of a  Flip-In  Event and prior to the
earlier of a  Flip-Over  Event or such time as any Person  (other than an Exempt
Person),  together with all  Affiliates and  Associates,  becomes the Beneficial
Owner of more than 50% of the Common Stock  outstanding,  the Board of Directors
of the  Company  may,  at  its  option,  exchange  all  or  any  portion  of the
outstanding  Rights (other than Rights held by any  Acquiring  Person which have
become  void) for shares of Common  Stock on a pro rata  basis,  at an  exchange
ratio of one share of Common Stock or one  one-hundredth of a share of Preferred
Stock  (or of a share of a class or  series  of the  Company's  Preferred  Stock
having  equivalent  rights,  preferences and privileges) per Right.  Immediately
upon the ordering of such exchange 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  shares of Common  Stock or Common Stock  Equivalents
pursuant to the exchange.  In the event there are insufficient  shares of Common
Stock  issued but not  outstanding  or  authorized  but  unissued  to permit any
exchange of Rights,  the Company  shall take all actions  necessary to authorize
additional shares.

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                                     Page 7


      Until the Rights become nonredeemable the Company may, except with respect
to the redemption price of the Rights, amend the Rights Agreement in any manner.
After the  Rights  become  nonredeemable,  the  Company  may  amend  the  Rights
Agreement to cure any ambiguity,  to correct or supplement  any provision  which
may be defective or  inconsistent  with any other  provisions,  or to shorten or
lengthen any time period under the Rights Agreement, or to arrange or supplement
the  provisions  hereunder in any manner which the Company may deem necessary or
desirable, provided that no such amendment may adversely affect the interests of
the holders of the Rights (other than the Acquiring  Person or its affiliates or
associates) or cause the Rights to again be redeemable or the Agreement to again
be freely amendable.

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

      The  issuance  of  the  Rights  is  not  taxable  to  the  Company  or  to
stockholders  under  presently  existing  federal  income tax law,  and will not
change the way in which stockholders can presently trade the Company's shares of
Common Stock. If the Rights should become exercisable,  stockholders,  depending
on then existing circumstances, may recognize taxable income.

      The Rights have certain anti-takeover effects. Under certain circumstances
the Rights could cause substantial dilution to a person or group who attempts to
acquire the Company on terms not approved by the  Company's  Board of Directors.
However,  the Rights  should  not  interfere  with any merger or other  business
combination approved by the Board.

      The form of Rights  Agreement  between the Company and  Continental  Stock
Transfer & Trust  Company,  as Rights Agent  (including as Exhibit A the form of
Certificate of Designation,  Preferences and Rights of the Terms of the Series A
Preferred  Stock, as Exhibit B the form of Right  Certificate,  and as Exhibit C
the Summary of Terms of Rights  Agreement),  the  Company's  press release dated
January  30,  1996 and a form of  letter  to the  Company's  stockholders  dated
February  12, 1996 are  attached  hereto as Exhibit 1 , Exhibit 2 and Exhibit 3,
respectively, and incorporated herein by reference. The foregoing description of
the Rights is qualified in its entirety by reference to such exhibits.

      Item 2.  Exhibits.

      The form of  Rights  Agreement  between  the  Company  and  Registrar  and
Transfer  Company,  as  Rights  Agent  (including  as  Exhibit  A  the  form  of
Certificate of Designation,  Preferences and Rights of the Terms of the Series A
Preferred  Stock, as Exhibit B the form of Right  Certificate,  and as Exhibit C

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                                     Page 8


the Summary of Terms of Rights  Agreement),  the  Company's  press release dated
January  30,  1996 and a form of  letter  to the  Company's  stockholders  dated
February  12, 1996 are  attached  hereto as Exhibit 1 , Exhibit 2 and Exhibit 3,
respectively, and incorporated herein by reference. See Exhibit Index located on
page 10 of this Registration Statement.

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                                     Page 9


                                   SIGNATURES

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


                                          TEKNOWLEDGE CORPORATION
                                          (Registrant)


                                          By:   /S/ Dennis Bugbee
                                                -------------------
                                                Dennis Bugbee
                                                Director of Finance



Dated: February 12, 1996


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                                    Page 10


                                  EXHIBIT INDEX




Exhibit             Description
- -------             -----------
   1      Form of  Rights  Agreement  between  the  Company  and  Registrar  and
          Transfer Company,  as Rights Agent (including as Exhibit A the form of
          Certificate of Designation, Preferences and Rights of the Terms of the
          Series A Preferred Stock, as Exhibit B the form of Right  Certificate,
          and as Exhibit C the Summary of Terms of Rights Agreement).

   2      Press Release, dated January 30, 1996.

   3      Form of Letter to Teknowledge Corporation stockholders, dated
          February 12, 1996.




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                                    Page 11


                                    EXHIBIT 1








                             TEKNOWLEDGE CORPORATION
                                       and
                         REGISTRAR AND TRANSFER COMPANY
                                  Rights Agent



                                RIGHTS AGREEMENT
                          Dated as of January 29, 1996


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                                    Page 12


                                TABLE OF CONTENTS

                                                                            Page


1.  Certain Definitions ...................................................    1

2.  Appointment of Rights Agent ...........................................    4

3.  Issuance of Right Certificates ........................................    4

4.  Form of Right Certificates ............................................    6

5.  Countersignature and Registration .....................................    6

6.  Transfer, Split Up, Combination and Exchange of Right
    Certificates; Mutilated, Destroyed, Lost or Stolen
    Right Certificates ....................................................    7

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

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

9.  Reservation and Availability of Shares of Preferred Stock .............    9

10. Preferred Stock Record Date ...........................................   10

11. Adjustments to Number and Kind of Shares, Number of Rights or
    Purchase Price ........................................................   10

12. Certification of Adjustments ..........................................   17

13. Consolidation, Merger or Sale or Transfer of Assets or Earning
    Power .................................................................   17

14. Fractional Rights and Fractional Shares ...............................   20

15. Rights of Action ......................................................   21

16. Agreement of Right Holders ............................................   21

17. Right Certificate Holder Not Deemed a Stockholder .....................   21

18. Concerning the Rights Agent ...........................................   22

19. Merger or Consolidation or Changed Name of Rights Agent ...............   22

20. Duties of Rights Agent ................................................   22

21. Change of Rights Agent ................................................   24

22. Issuance of New Right Certificates ....................................   25

23. Redemption ............................................................   25

24. Exchange of Rights for Common Stock ...................................   26

                                        i

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                                    Page 13



25. Notice of Proposed Actions ............................................   27

26. Notices ...............................................................   27

27. Supplements and Amendments ............................................   28

28. Successors ............................................................   28

29. Benefits of this Rights Agreement .....................................   28

30. Governing Law .........................................................   28

31. Counterparts ..........................................................   28

32. Descriptive Headings ..................................................   28

33. Severability ..........................................................   28

                                       ii

<PAGE>
                                    Page 14



                                RIGHTS AGREEMENT



      This Rights  Agreement  ("Rights  Agreement"),  is dated as of January 29,
1996, between Teknowledge  Corporation,  a Delaware corporation (the "Company"),
and Registrar and Transfer Company, a New York corporation (the "Rights Agent").

                              W I T N E S S E T H:

      WHEREAS,  the Board of  Directors  of the  Company on January 29, 1996 (i)
announced  that it authorized  the issuance and declared a dividend of one right
("Right")  for each share of the common  stock of the Company  ("Common  Stock")
outstanding as of the Close of Business (as such term is hereinafter defined) on
February  12, 1996 (the "Record  Date"),  each Right  representing  the right to
purchase one one-hundredth of a share of Series A Preferred Stock of the Company
having the rights,  powers and  preferences set forth in the form of Certificate
of  Designation  attached  hereto as Exhibit A upon the terms and subject to the
conditions  hereinafter set forth,  and (ii) further  authorized the issuance of
one Right with  respect to each share of Common  Stock of the Company that shall
become outstanding between February 12, 1996, and the Distribution Date (as such
term is hereinafter defined);

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

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

            (a)  "Acquiring  Person"  shall  mean any  Person  (as such  term is
hereinafter defined) who or which, together with all Affiliates (as such term is
hereinafter  defined) and Associates  (as such term is  hereinafter  defined) of
such Person, without the prior approval of the Board of Directors,  shall be the
Beneficial Owner (as such term is hereinafter  defined) of fifteen percent (15%)
or more of the outstanding  Common Stock;  provided,  however,  that in no event
shall a Person who or which, together with all Affiliates and Associates of such
Person,  is the Beneficial  Owner of less than 15% of the Company's  outstanding
shares  of Common  Stock,  become an  Acquiring  Person  solely as a result of a
reduction  of the  number of  shares  of  outstanding  Common  Stock,  including
repurchases  of  outstanding  shares  of  Common  Stock  by the  Company,  which
reduction  increases  the  percentage  of  outstanding  shares of  Common  Stock
beneficially  owned by such Person,  provided,  however,  that if a Person shall
become the Beneficial Owner of 15% or more of the Company's  outstanding  shares
of Common Stock then  outstanding  solely by reason of a reduction of the number
of  shares  of  outstanding  Common  Stock,  and  shall  thereafter  become  the
Beneficial Owner of any additional  shares of Common Stock of the Company,  then
such  Person  shall  be  deemed  to be an  "Acquiring  Person"  unless  upon the
consummation of the  acquisition of such additional  shares of Common Stock such
person does not own fifteen  percent (15%) or more of the shares of Common Stock
then  outstanding,  and provided  further,  that an  Acquiring  Person shall not
include an Exempt Person (as such term is hereinafter defined).  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
(including,  without  limitation,  because (i) such  Person was unaware  that it
beneficially  owned a percentage of Common Stock that would otherwise cause such
Person to be an  "Acquiring  Person" or (ii) such Person was aware of the extent
of its Beneficial  Ownership but had no actual  knowledge of the consequences of
such  Beneficial  Ownership  under this  Agreement) and without any intention of
changing or  influencing  control of the  Company,  and such  Person  divests as
promptly as  practicable  a sufficient  number of shares of Common Stock so that
such Person would no longer be an "Acquiring Person," as defined pursuant to the
foregoing provisions of this paragraph (a), then such Person shall not be deemed
to be or to  have  become  an  "Acquiring  Person"  for  any  purposes  of  this
Agreement.

                                       1

<PAGE>
                                    Page 15

            (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  ("Exchange Act"), as in effect
on the date of this Agreement.

            (c)   A Person  shall be  deemed   the   "Beneficial  Owner"  of 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,  directly or indirectly,  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),  whether or not in writing,  or upon the
exercise of conversion rights,  exchange rights, rights (other than the 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 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  or  dispose  of or has
"beneficial  ownership" of (as determined  pursuant to Rule 13d-3 of the General
Rules and  Regulations  under the Exchange  Act, or any  comparable or successor
rule, including pursuant to any agreement, arrangement or understanding (whether
or not in  writing);  provided,  however,  that a Person shall not be deemed the
"Beneficial  Owner"  of,  or  to  "beneficially  own",  any  securities  if  the
agreement,  arrangement or understanding to vote such security (1) arises solely
from a revocable proxy or consent given in response to a public proxy or consent
solicitation  made pursuant to, and in accordance with, the applicable rules and
regulations  of the  Exchange  Act and (2) is not also then  reportable  by such
Person on Schedule 13D under the Exchange  Act (or any  comparable  or successor
report); or

                  (iii) which are beneficially owned, directly or indirectly, by
any other Person with which such Person or any of such  Person's  Affiliates  or
Associates has any agreement,  arrangement or  understanding  (whether or not in
writing) for the purpose of acquiring,  holding,  voting [except as described in
clause  (B)  of  subparagraph  (ii)  of  this Section 1(c)] or disposing  of any
securities of the Company;

provided,  however, that no Person who is an officer, director or employee of an
Exempt  Person  shall be  deemed,  solely by reason of such  Person's  status or
authority  as  such,  to be the  "Beneficial  Owner"  of,  to  have  "Beneficial
Ownership" of or to  "beneficially  own" any securities  that are  "beneficially
owned" (as  defined in this  Section 1(c)),  including, without limitation, in a
fiduciary capacity,  by an Exempt Person or by any other such officer,  director
or employee of an Exempt Person.

      For all  purposes  of this  Agreement,  any  calculation  of the number of
shares of  Common  Stock  outstanding  at any  particular  time,  including  for
purposes of determining the particular  percentage of such outstanding shares of
Common  Stock of which any  Person  is the  Beneficial  Owner,  shall be made in
accordance  with the last sentence of Rule  13d-3(d)(1)(i)  of the General Rules
and Regulations under the Exchange Act as in effect on the date hereof.

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

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

                                       2

<PAGE>
                                    Page 16


            (f) "Common  Stock" when used with  reference  to the Company  shall
mean the common stock of the Company. "Common Stock" when used with reference to
any Person other than the Company  which shall be  organized  in corporate  form
shall mean the capital  stock or other  equity  security  with the  greatest per
share voting  power of such Person or, if such Person is a  Subsidiary  of or is
controlled  by  another  Person,  the  Person  which  ultimately  controls  such
first-mentioned  Person.  "Common  Stock" when used with reference to any Person
other than the Company which shall not be organized in corporate form shall mean
units of beneficial  interest which shall  represent the right to participate in
profits,  losses,  deductions  and  credits of such  Person  and which  shall be
entitled to exercise the greatest voting power per unit of such Person.

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

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

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

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

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

            (l)   "Exchange   Act"  shall   have   the   meaning  set  forth  in
Section 1(b) hereof.

            (m) "Exempt  Person" shall mean the Company or any Subsidiary of the
Company, including,  without limitation, in its fiduciary capacity, any employee
benefit plan or employee  stock plan of the Company or of any  Subsidiary of the
Company,  or any Person,  organized,  appointed,  established  or holding Common
Stock for or  pursuant to the terms of any such plan or funding  other  employee
benefits for employees of the Company or any subsidiary of the Company.

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

            (o)   "Flip-In Event"  shall   mean    any   event   described   in 
Section 11(a)(ii)(A), 11(a)(ii)(B) or 11(a)(ii)(C) hereof.

            (p)   "Flip-In  Exercise Payment" shall have the meaning  set  forth
in Section 11(a)(ii) hereof.

            (q)   "Flip-In  Trigger  Date" shall have the meaning set  forth  in
Section 11(a)(iii) hereof.

            (r)   "Flip-Over   Event"   shall   mean  any  event   described  in
clause (x), (y) or (z) of Section 13(a) hereof.

            (s)   "Flip-Over  Exercise  Payment"  shall  have  the  meaning  set
forth in Section 13(a) hereof.

            (t)   "NASDAQ"  shall  have the  meaning  set  forth in Section 9(b)
hereof.

            (u)   "Person"  shall  mean  any  individual,   firm,   corporation,
partnership or other entity.

            (v) "Preferred  Stock" shall mean the Series A Preferred Stock, $.01
par value of the Company having the rights,  powers and preferences set forth in
Exhibit A hereto,  and, to the extent that there is not a  sufficient  number of
shares   of   Series   A   Preferred  Stock   authorized  to  permit  the   full

                                       3

<PAGE>
                                    Page 17


exercise of the Rights,  any other series of Preferred Stock, $.01 par value, of
the Company designated for such purpose containing terms  substantially  similar
to the terms of the Series A Preferred Stock.

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

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

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

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

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

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

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

            (dd)  "Stock  Acquisition  Date" shall mean the first date of public
announcement by the Company or an Acquiring  Person that an Acquiring Person has
become such or such  earlier  date as a majority of the  directors  shall become
aware of the existence of an Acquiring Person.

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

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

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

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

            (ii) "Triggering Event" shall mean  any  event described in Section 
11(a)(ii)(A), 11(a)(ii)(B) or 11(a)(ii)(C) or Section 7(c), 13 hereof.

            (jj) "Voting Power" shall mean the voting power of all securities of
the Company then outstanding and generally  entitled to vote for the election of
directors of the Company.

      Any determination  required by the definitions contained in this Section 1
shall be made by the  Board  of  Directors  of the  Company  in its  good  faith
judgment,  which  determination  shall be binding  on the  Rights  Agent and the
holders of the Rights.

2.    Appointment of Rights Agent. The Company hereby appoints the Rights Agent 
to act as agent for the  Company  in  accordance  with the terms and  conditions
hereof,  and the Rights Agent hereby accepts such  appointment.  The Company may
from time to time  appoint  such  Co-Rights  Agents as it may deem  necessary or
desirable.  In the event the Company appoints one or more Co-Rights Agents,  the
respective  duties of the Rights Agents and any Co-Rights Agents shall be as the
Company shall determine.

3.    Issuance of Right Certificates.

            (a)  Until  the  earlier  of (i)  the  tenth  day  after  the  Stock
Acquisition  Date (or, if the tenth day after the Stock  Acquisition Date occurs
before the Record  Date,  the Close of Business on the Record  Date) or (ii) the
tenth business day (or such later date as may be determined  by  action  of  the

                                       4

<PAGE>
                                    Page 18


Board of Directors prior to such time as any Person becomes an Acquiring Person)
after the date of the  commencement  by any Person (other than an Exempt Person)
of, or of the first public  announcement of the intent of any Person (other than
an Exempt Person) to commence (which intention to commence remains in effect for
five business days after such announcement), a tender or exchange offer upon the
successful  consummation of which such Person,  together with its Affiliates and
Associates,  would be the  Beneficial  Owner  of 15% or more of the  outstanding
Common Stock (irrespective of whether any shares are actually purchased pursuant
to any such  offer)  (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(c) hereof) by the certificates
for the Common Stock  registered in the names of the holders of the Common Stock
and not by separate Right Certificates,  and (y) each Right will be transferable
only in  connection  with the  transfer  of a share  (subject to  adjustment  as
hereinafter  provided)  of  Common  Stock.  As soon  as  practicable  after  the
Distribution  Date, the Rights Agent will mail, by first-class,  postage prepaid
mail,  to each record  holder of the Common Stock as of the Close of Business on
the Distribution Date. as shown by the records of the Company, to the address of
such holder shown on such records, a Right certificate in substantially the form
of Exhibit B hereto ("Right Certificate") evidencing one Right for each share of
Common Stock so held. As of and after 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  Stock,
substantially in the form attached hereto as Exhibit C ("Summary of Rights"), by
first-class,  postage  prepaid mail, to each record holder of Common Stock as of
the Close of Business on the Record Date, at the address of such holder shown on
the records of the Company.

            (c) Rights  shall be issued in respect of all shares of Common Stock
that are issued (either as an original issuance or from the Company's  treasury)
after the  Record  Date  prior to the  earlier  of the  Distribution  Date,  the
Redemption   Date  or  the  Expiration   Date.   With  respect  to  certificates
representing  such shares of Common Stock,  the Rights will be evidenced by such
certificates  for Common Stock  registered  in the names of the holders  thereof
together  with the  Summary  of  Rights.  Until the  Distribution  Date (or,  if
earlier,  the  Redemption  Date or Final  Expiration  Date),  the  surrender for
transfer of any  certificate  for Common  Stock  outstanding  on the Record Date
(with or without a copy of the Summary of Rights attached  thereto),  shall also
constitute the surrender for transfer of the Rights  associated  with the Common
Stock represented thereby.

            (d)  Certificates  issued  for  Common  Stock  (including,   without
limitation, certificates issued upon transfer or exchange of Common Stock) after
the  Record  Date  but  prior  to the  earlier  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  the  Rights  Agreement   between   Teknowledge
      Corporation and Registrar and Transfer Company,  as Rights Agent, dated as
      of January  29,  1996,  as the same may be amended  from time to time (the
      "Rights  Agreement"),  the  terms  of which  are  incorporated  herein  by
      reference and a copy of which is on file at the principal executive office
      of Teknowledge  Corporation Under certain  circumstances,  as set forth in
      the  Rights   Agreement,   such  Rights  will  be  evidenced  by  separate
      certificates  and  will  no  longer  be  evidenced  by  this  certificate.
      Teknowledge Corporation will mail to the holder of this certificate a copy
      of the Rights  Agreement  without  charge after receipt by it of a written
      request  therefor.  Under certain  circumstances as provided in the Rights
      Agreement,  Rights issued to,  beneficially owned by or transferred to any
      person  who is or becomes an  Acquiring  Person (as  defined in the Rights
      Agreement)  or an  Associate  or  Affiliate  (as  defined  in  the  Rights
      Agreement) thereof and certain  transferees  thereof will be null and void
      and will no longer be transferable.

                                       5

<PAGE>
                                    Page 19


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

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

4.    Form of Right Certificates.

            (a) The Right  Certificates  (and the forms of  election to purchase
shares and of assignment to be printed on the reverse thereof),  when, as and if
issued, shall be substantially in the form set forth in Exhibit B hereto and may
have such marks of identification or designation and such legends,  summaries or
endorsements  printed thereon as the Company may deem appropriate and as are not
inconsistent with the provisions of this Rights Agreement, or as may be required
to comply with any 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
Sections  11.13 and 22  hereof,  the Right  Certificates  evidencing  the Rights
issued on the Record Date whenever such certificates are issued,  shall be dated
as of the Record Date and the Right Certificates evidencing Rights to holders of
record of Common  Stock  issued  after the Record  Date shall be dated as of the
Record  Date but shall also be dated to  reflect  the date of  issuance  of such
Right  Certificate.  On their face, Right Certificates shall entitle the holders
thereof to purchase,  for each Right, one  one-hundredth of a share of Preferred
Stock, or other securities or property as provided herein,  as the same may from
time to time be adjusted as provided herein, at the price per share of $2.00, as
the same may from time to time be  adjusted as  provided  herein (the  "Purchase
Price").

            (b)  Notwithstanding  any other provision of this Rights  Agreement,
any Right  Certificate that represents Rights that are or were at any time on or
after  the  earlier  of the  Stock  Acquisition  Date or the  Distribution  Date
beneficially  owned by an Acquiring Person or any Affiliate or Associate thereof
(or any  transferee of such Rights) shall have impressed on, printed on, written
on or otherwise  affixed to it (if the Company or the Rights Agent has knowledge
that such Person is an Acquiring Person or an Associate or Affiliate  thereof or
transferee of such Persons or a nominee of any of the  foregoing)  the following
legend:

      The beneficial owner of the Rights  represented by this Right  Certificate
      is an Acquiring  Person or an  Affiliate  or Associate  (as defined in the
      Rights  Agreement) of an Acquiring  Person or a subsequent  holder of such
      Right Certificates beneficially owned by such Persons.  Accordingly,  this
      Right Certificate and the Rights  represented hereby are null and void and
      will no longer be transferable as provided in the Rights Agreement.

The provisions  of  Section 11(a)(ii) and  Section 24 of  this Rights Agreement 
shall be operative whether or not the foregoing legend is contained on any such 
Right Certificates.

5.    Countersignature and Registration.

            (a) The  Right  Certificates  shall be  executed  on  behalf  of the
Company by its Chief  Executive  Officer,  its President or any Vice  President,
either  manually  or by  facsimile  signature,  and  have  affixed  thereto  the
Company's  seal or a facsimile  thereof which shall be attested by the Secretary
or an  Assistant  Secretary  of the  Company,  either  manually or by  facsimile
signature.  The  Right  Certificates  shall  be  manually  countersigned by  the

                                       6

<PAGE>
                                    Page 20


Rights Agent and shall not be valid for any purpose unless so countersigned.  In
case  any  officer  of the  Company  who  shall  have  signed  any of the  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,
issued  and  delivered  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.

            (b) Following the  Distribution  Date, the Rights Agent will keep or
cause to be kept, at one of its offices designated for such purposes,  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,  the date of each of the Right  Certificates  and the  certificate
numbers for each of the Right Certificates.

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

            (a) Subject  to  the  provisions of Sections 7(e), 11(a)(ii) and 14 
hereof,  at any time after the  Close  of  Business  on  the  Distribution  Date
and at or prior to the Close of Business on the earlier of the  Redemption  Date
or the Final Expiration Date, any Right Certificate or 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 (i)  transferred  or (ii) split up,  combined or exchanged  for another Right
Certificate or Right Certificates, entitling the registered holder to purchase a
like  number of  shares  of  Preferred  Stock or other  securities  as the Right
Certificate  or Right  Certificates  surrendered  then  entitled  such holder to
purchase. Any registered holder desiring to transfer any Right Certificate shall
surrender the Right Certificate at the office of the Rights Agent designated for
such  purposes  with the form of  assignment  on the reverse  side  thereof duly
endorsed  (or  enclose  with such  Right  Certificate  a written  instrument  of
transfer  in form  satisfactory  to the  Company  and the  Rights  Agent),  duly
executed by the  registered  holder  thereof or his attorney duly  authorized in
writing, and with such signature duly guaranteed. Any registered holder desiring
to split up, combine or exchange any Right  Certificate  shall make such request
in  writing  delivered  to the  Rights  Agent,  and  shall  surrender  the Right
Certificate or Right  Certificates  to be split up, combined or exchanged at the
principal office of the Rights Agent.  Thereupon the Rights Agent shall, subject
to Sections 4(b), 7(e), 11 and 14 hereof,  countersign (by manual signature) and
deliver  to  the  person   entitled   thereto  a  Right   Certificate  or  Right
Certificates,  as the case may be, as so  requested.  The  Company  may  require
payment of a sum sufficient to cover any tax or governmental  charge that may be
imposed in connection  with any transfer,  split up,  combination or exchange of
Right Certificates.

            (b) Subject to  the  provisions  of  Section 11(a)(ii) hereof, upon 
receipt  by   the  Company   and   the   Rights  Agent  of  evidence  reasonably
satisfactory  to them of the loss,  theft,  destruction or mutilation of a Right
Certificate,  and,  in case of  loss,  theft or  destruction,  of  indemnity  or
security  reasonably  satisfactory  to them,  and, if  requested by the Company,
reimbursement to the Company of all reasonable expenses incidental thereto,  and
upon surrender to the Rights Agent and cancellation of the Right  Certificate if
mutilated,  the Company will execute and deliver a new Right Certificate of like
tenor to the Rights  Agent for delivery to the  registered  owner in lieu of the
Right Certificate so lost, stolen, destroyed or mutilated.

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

            (a)  Subject  to  Section 11(a)(ii) hereof,  the Rights shall become
exercisable,  and may be  exercised  to  purchase  Preferred  Stock,  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

                                       7
<PAGE>
                                    Page 21



election to  purchase  on the reverse  side  thereof  duly  executed  (with such
signature duly  guaranteed),  to the Rights Agent at 2 Broadway,  New York, N.Y.
10004,  together  with payment of the Purchase  Price with respect to each Right
exercised,  subject to adjustment as  hereinafter  provided,  at or prior to the
Close of Business on the earlier of (i) January 28, 2006 (the "Final  Expiration
Date"), (ii) the time at which the Rights are redeemed as provided in Section 23
hereof (such date being herein  referred to as the  "Redemption  Date") or (iii)
the time at which all such Rights are exchanged as provided in Section 24 hereof
(the  earliest  of (i),  (ii),  (iii) and (iv) being  herein  referred to as the
"Expiration Date").

            (b) The Purchase  Price and the number of shares of Preferred  Stock
or other  securities  or  consideration  to be acquired upon exercise of a Right
shall be subject to adjustment  from time to time as provided in Sections 11 and
7(c),  13 hereof.  The  Purchase  Price shall be payable in lawful  money of the
United States of America, in accordance with Section 7(c), 13 hereof.

            (c) Except as provided in Section 11(a)(ii) hereof, upon receipt of 
a Right  Certificate  with the  form of  election  to  purchase  duly  executed,
accompanied  by payment  of the  Purchase  Price (as such  amount may be reduced
pursuant to Section  11(a)(iii)  hereof) or so much thereof as is necessary  for
the shares to be purchased and an amount equal to any  applicable  transfer tax,
by cash,  certified  check or  official  bank check  payable to the order of the
Company or the Rights Agent,  the Rights Agent shall,  subject to Section 20(k),
thereupon  promptly (i)  requisition  from any transfer  agent of the  Preferred
Stock (or make available if the Rights Agent is the transfer agent) certificates
for the number of shares of Preferred  Stock so elected to be purchased  and the
Company will comply and hereby  authorizes  and directs such  transfer  agent to
comply with all such requests,  (ii)  requisition from the Company the amount of
cash to be paid in lieu of  issuance of  fractional  shares in  accordance  with
Section 14(b) hereof,  and (iii) promptly after receipt of such Preferred  Stock
certificates  cause  the  same to be  delivered  to or  upon  the  order  of the
registered holder of such Right Certificate, registered in such name or names as
may be designated by such holder, and, when appropriate,  after receipt promptly
deliver  such cash to or upon the order of the  registered  holder of such Right
Certificate.  In the event of a purchase  of  securities,  other than  Preferred
Stock,  pursuant to Section 11(a) or Section  7(c), 13 hereof,  the Rights Agent
shall  promptly  take the  appropriate  actions  corresponding  to the foregoing
clauses (i) through  (iii).  In the event that the Company is obligated to issue
other  securities  of the Company,  pay cash and/or  distribute  other  property
pursuant  to  Section  11(a)  hereof,  the  Company  will make all  arrangements
necessary  so that  such  other  securities,  cash  and/or  other  property  are
available for distribution by the Rights Agent, if and when appropriate.

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

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

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

                                       8

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                                    Page 22


cancel and retire,  any 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.

9.    Reservation and Availability of Shares of Preferred Stock.

            (a) The Company covenants and agrees that at all times it will cause
to be reserved and kept  available,  out of and to the extent of its  authorized
and unissued  shares of Preferred  Stock not reserved for another  purpose (and,
following the occurrence of a Triggering Event, other securities) or held in its
treasury, the number of shares of Preferred Stock (and, following the occurrence
of a Triggering  Event,  other  securities) that, as provided in this Agreement,
including Section 11(a)(iii)  hereof,  will be sufficient to permit the exercise
in full of all outstanding Rights, provided, however, that the Company shall not
be required to reserve and keep  available  shares of  Preferred  Stock or other
securities  sufficient to permit the exercise in full of all outstanding  Rights
pursuant to the adjustments set forth in Section  11(a)(ii),  Section 11(a)(iii)
or Section  7(c),  13 hereof  unless,  and only to the extent  that,  the Rights
become exercisable pursuant to such adjustments.

            (b) The Company  shall (i) use its best  efforts to cause,  from and
after such time as the Rights become  exercisable,  the Rights and all shares of
Preferred  Stock (and  following  the  occurrence of a Triggering  Event,  other
securities) issued or reserved for issuance upon exercise thereof to be reported
by the National  Association of Securities  Dealers,  Inc. Automated  Quotations
System  ("NASDAQ") or such other system then in use, and if the Preferred  Stock
shall become  listed on any national  securities  exchange,  to cause,  from and
after such time as the Rights become  exercisable,  the Rights and all shares of
Preferred  Stock (and,  following the  occurrence of a Triggering  Event,  other
securities)  issued or reserved for issuance upon exercise  thereof to be listed
on such exchange upon official notice of issuance upon such exercise and (ii) if
then  necessary,  to permit the offer and  issuance of such shares of  Preferred
Stock (and,  following the occurrence of a Triggering Event,  other securities),
register  and  qualify  such  share  of  Preferred  Stock  (and,  following  the
occurrence of a Triggering Event, other securities) under the Securities Act and
any  applicable  state  securities or "blue sky" laws (to the extent  exemptions
therefrom   are  not   available),   cause  such   registration   statement  and
qualifications  to become  effective  as soon as possible  after such filing and
keep such  registration  and  qualifications  effective until the earlier of the
Redemption  Date or the Final  Expiration  Date of the  Rights.  The Company may
temporarily  suspend,  for a period of time not to exceed ninety (90) days,  the
exercisability  of the  Rights  in order  to  prepare  and  file a  registration
statement under the Securities Act and permit it to become  effective.  Upon any
such suspension,  the Company shall issue a public announcement stating that the
exercisability of the Rights has been temporarily suspended, as well as a public
announcement   at  such  time  as  the   suspension  is  no  longer  in  effect.
Notwithstanding  any  provision of this  Agreement to the  contrary,  the Rights
shall not be exercisable in any jurisdiction unless the requisite  qualification
in such jurisdiction shall have been obtained and until a registration statement
under the Securities Act (if required) shall have been declared effective.

            (c) The  Company  covenants  and  agrees  that it will take all such
action as may be  necessary  to ensure that all shares of  Preferred  Stock (and
following the occurrence of a Triggering Event, other securities) delivered upon
exercise of Rights shall, at the time of delivery of the  certificates  for such
shares  (subject to payment of the Purchase Price in respect  thereof),  be duly
and validly  authorized  and issued and fully paid and  nonassessable  shares in
accordance with applicable law.

            (d) The Company  further  covenants and agrees that it will pay when
due and  payable  any and all  federal  and state  transfer  taxes  which may be
payable in respect of the issuance or delivery of the Right  Certificates  or of
any shares of Preferred Stock (or other securities, as the  case  may  be)  upon

                                       9

<PAGE>
                                    Page 23


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 for Preferred Stock (or other securities,  as the case may be) upon
exercise  of Rights in a name other than that of, the  registered  holder of the
Right  Certificate,  and the Company shall not be required to issue or deliver a
Right  Certificate or certificate for Preferred Stock (or other  securities,  as
the case may be) to a person  other than such  registered  holder 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 satisfaction that no such tax is due.

10.   Preferred Stock Record Date. Each Person in whose name any certificate for
shares of Preferred  Stock (or other  securities,  as the case may be) is issued
upon the  exercise of Rights shall for all purposes be deemed to have become the
holder of record of the shares of Preferred Stock (or other  securities,  as the
case may be) 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.  Prior to the  exercise of the Rights  evidenced  thereby,  the
holder of a Right Certificate, as such, shall not be entitled to any rights of a
stockholder of the Company with respect to the 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.

11.   Adjustments  to Number and Kind of  Shares,  Number of Rights or  Purchase
Price.  The number and kind of shares  subject to purchase  upon the exercise of
each Right, the number of Rights  outstanding and the Purchase Price 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 Rights Agreement (A) declare or pay any dividend on Preferred Stock payable
in shares of Preferred Stock,  (B) subdivide or split the outstanding  shares of
Preferred Stock into a greater number of shares,  (C) combine or consolidate the
outstanding  shares of Preferred Stock into a smaller number of shares or effect
a reverse split of the outstanding  shares of Preferred  Stock, or (D) issue any
shares  of its  capital  stock  in a  reclassification  of the  Preferred  Stock
(including  any such  reclassification  in connection  with a  consolidation  or
merger in which the Company is the continuing or surviving corporation),  except
as otherwise provided in this Section 11(a), the Purchase Price in effect at the
time of the  record  date for such  dividend  or of the  effective  date of such
subdivision, combination or reclassification,  and the number and kind of shares
of Preferred  Stock or capital stock, as the case may be, issuable on such date,
shall be  proportionately  adjusted  so that the  holder of any Right  exercised
after such time shall be entitled to receive, upon payment of the Purchase Price
then in effect,  the  aggregate  number  and kind of shares of capital  stock or
other securities,  which, if such Right had been exercised  immediately prior to
such date,  the holder  thereof  would  have owned upon such  exercise  and been
entitled  to receive by virtue of such  dividend,  subdivision,  combination  or
reclassification.  If an event occurs which would  require an  adjustment  under
both this Section 11(a)(i) and Section 11(a)(ii) hereof, the adjustment provided
for in this  Section  11(a)(i)  shall be in addition to, and shall be made prior
to, any adjustment required pursuant to Section 11(a)(ii).

                  (ii)  Subject to Section 24, in the event

                        (A)   any    Acquiring    Person  or  any  Associate  or
Affiliate of any Acquiring Person, at any time after the date of this Agreement,
directly or indirectly,  (1) shall  consolidate  with or merge with and into the
Company or any of its Subsidiaries or otherwise  combine with the Company or any
of its  Subsidiaries  and the Company or such Subsidiary shall be the continuing
or surviving  corporation of such  consolidation,  merger or combination and the
Common Stock of the Company shall remain outstanding and no shares thereof shall
be changed into or exchanged for stock or other  securities of the Company or of
any other  Person or cash or any other  property,  or (2) shall,  in one or more
transactions,  other than in  connection  with the exercise of a Right or Rights
and other than in  connection  with the  exercise or  conversion  of  securities
exercisable  for  or  convertible  into  securities  of  the  Company  or of any
Subsidiary of the Company,  transfer  any  assets or  property to the Company or

                                       10

<PAGE>
                                    Page 24

any of its  Subsidiaries in exchange (in whole or in part) for any shares of any
class  of  capital  stock  of the  Company  or any  of its  Subsidiaries  or any
securities  exercisable  for or convertible  into shares of any class of capital
stock of the Company or any of its  Subsidiaries,  or otherwise  obtain from the
Company  or  any  of  its  Subsidiaries,  with  or  without  consideration,  any
additional  shares of any class of  capital  stock of the  Company or any of its
Subsidiaries or any securities exercisable for or convertible into shares of any
class of capital stock of the Company or any of its Subsidiaries  (other than as
part of a pro rata offer or  distribution  by the Company or such  Subsidiary to
all holders of such  shares),  or (3) shall  sell,  purchase,  lease,  exchange,
mortgage,  pledge,  transfer  or  otherwise  acquire  (other  than as a pro rata
dividend) or dispose,  to, from or with, as the case may be, in one  transaction
or a series of  transactions,  the  Company or any of its  Subsidiaries,  assets
(including  securities) on terms and conditions less favorable to the Company or
such Subsidiary  than the Company or such Subsidiary  would be able to obtain in
arm's-length  negotiation with an unaffiliated third party, or (4) shall receive
any compensation  from the Company or any of its Subsidiaries for services other
than compensation for employment as a regular or part-time employee, or fees for
serving  as a  director,  at rates in  accordance  with  the  Company's  (or its
Subsidiary's)  past  practices,  or (5) shall  receive the benefit,  directly or
indirectly (except  proportionately as a stockholder),  of any loans,  advances,
guarantees,  pledges or other  financial  assistance  or any tax  credits or tax
advantage  provided  by the  Company  or any of its  Subsidiaries,  or (6) shall
engage  in any  transaction  with  the  Company  (or  any  of its  Subsidiaries)
involving  the sale,  license,  transfer or grant of any right in, or disclosure
of. any patents, copyrights,  trade secrets,  trademarks,  know-how or any other
intellectual  or  industrial  property  rights  recognized  under any  country's
intellectual  property laws which the Company  (including its Subsidiaries) owns
or has the right to use on terms and conditions not approved by the Board; or

                        (B)   any   Person,   alone   or   together   with   its
Affiliates and Associates, shall become an Acquiring Person; or

                        (C)   during  such  time  as  there  is   an   Acquiring
Person, there shall be any reclassification of securities (including any reverse
stock  split),  or  any  recapitalization  of the  Company,  or  any  merger  or
consolidation  of  the  Company  with  any  of its  Subsidiaries  or  any  other
transaction  or series  of  transactions  involving  the  Company  or any of its
Subsidiaries  (whether or not with or into or  otherwise  involving an Acquiring
Person or any  Affiliate or Associate of such  Acquiring  Person)  which has the
effect, directly or indirectly,  of increasing by more than 1% the proportionate
share of the outstanding shares of any class of equity securities of the Company
or any of its  Subsidiaries,  or securities  exercisable for or convertible into
equity securities of the Company or any of its  Subsidiaries,  which is directly
or indirectly  beneficially  owned by any  Acquiring  Person or any Affiliate or
Associate of any Acquiring Person,

then upon the first  occurrence  of such Flip-In  Event (A) the  Purchase  Price
shall be adjusted to be the Purchase  Price in effect  immediately  prior to the
Flip-In  Event  multiplied  by the  number of one  one-hundredths  of a share of
Preferred  Stock  for which a Right was  exercisable  immediately  prior to such
Flip-In  Event,  whether  or not such Right was then  exercisable,  and (B) each
holder of a Right,  except as otherwise  provided in this Section  11(a)(ii) and
Section  11(a)(iii)  hereof,  shall  thereafter have the right to receive,  upon
exercise  thereof at a price equal to the Purchase  Price (as so  adjusted),  in
accordance  with the terms of this  Agreement and in lieu of shares of Preferred
Stock,  such number of shares of Common Stock as shall equal the result obtained
by dividing  the Purchase  Price (as so  adjusted) by 50% of the Current  Market
Price per share of the  Common  Stock  (determined  pursuant  to  Section  11(d)
hereof) on the date of such Flip-In Event; provided,  however, that the Purchase
Price (as so adjusted)  and the number of shares of Common  Stock so  receivable
upon the exercise of a Right shall,  following the Flip-In Event,  be subject to
further  adjustment as  appropriate  in accordance  with Sections  11(f) hereof.
Notwithstanding  anything in this Agreement to the contrary,  however,  from and
after the  Flip-In  Event,  any Rights  that are  beneficially  owned by (x) any
Acquiring Person (or any Affiliate or Associate of any Acquiring Person),  (y) a
transferee of any  Acquiring  Person (or any such  Affiliate or  Associate)  who
becomes  a  transferee  after  the  Flip-In  Event  or (z) a  transferee  of any
Acquiring  Person (or any such  Affiliate or Associate)  who became a transferee
prior to or  concurrently  with the  Flip-In  Event  pursuant  to  either  (I) a


                                       11

<PAGE>
                                    Page 25


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

                  (iii) The Company may at its option  substitute for a share of
Common  Stock  issuable  upon the  exercise  of  Rights in  accordance  with the
foregoing  subparagraph  (ii) such number or  fractions  of shares of  Preferred
Stock having an aggregate current market value equal to the Current Market Price
of a share of Common  Stock.  In the event  that there  shall not be  sufficient
shares of Common Stock issued but not  outstanding or authorized but unissued to
permit the  exercise  in full of the  Rights in  accordance  with the  foregoing
subparagraph  (ii),  the Board of Directors  shall,  to the extent  permitted by
applicable law and any material  agreements  then in effect to which the Company
is a party (A) determine the excess (such excess, the "Spread") of (1) the value
of the  shares  of  Common  Stock  issuable  upon  the  exercise  of a Right  in
accordance with the foregoing  subparagraph  (ii) (the "Current Value") over (2)
the Purchase  Price (as adjusted in accordance  with the foregoing  subparagraph
(ii)),  and (B) with  respect to each Right (other than Rights which have become
void pursuant to the foregoing  subparagraph  (ii)), make adequate  provision to
substitute  for the  shares of Common  Stock  issuable  in  accordance  with the
foregoing  paragraph (ii) upon exercise of the Right and payment of the Purchase
Price (as adjusted in accordance  therewith),  (1) cash, (2) a reduction in such
Purchase Price, (3) shares of Preferred Stock or other equity  securities of the
Company  (including,  without  limitation,  shares  or  fractions  of  shares of
preferred  stock which,  by virtue of having  dividend,  voting and  liquidation
rights  substantially  comparable  to those of the shares of Common  Stock,  are
deemed in good faith by the Board of  Directors to have  substantially  the same
value as the shares of Common Stock (such  shares of Preferred  Stock and shares
or  fractions  of  shares of  preferred  stock are  hereinafter  referred  to as
("Common Stock  Equivalents")),  (4) debt  securities of the Company,  (5) other
assets,  or (6) any  combination  of the foregoing,  having a value which,  when
added to the value of the shares of Common Stock  actually  issued upon exercise
of such Right,  shall have an aggregate  value equal to the Current  Value (less
the amount of any reduction in such Purchase Price),  where such aggregate value
has been  determined  by the Board of Directors  upon the advice of a nationally
recognized  investment  banking  firm  selected  in good  faith by the  Board of
Directors;  provided,  however,  that if the  Company  shall  not make  adequate
provision to deliver value  pursuant to clause (B) above within thirty (30) days
following the Flip-In Event (the "Flip-In Trigger Date"), then the Company shall
be  obligated to deliver,  to the extent  permitted  by  applicable  law and any
material  agreements  then in effect to which the  Company is a party,  upon the
surrender for exercise of a Right and without requiring payment of such Purchase
Price, shares of Common Stock (to the extent available), and then, if necessary,
such number or fractions of shares of Preferred Stock (to the extent  available)
and then, if necessary,  cash,  which shares and/or cash have an aggregate value
equal to the Spread. If the Board of Directors of the Company shall determine in
good faith that it is likely that sufficient  additional  shares of Common Stock
and/or Common Stock  Equivalents  could be authorized for issuance upon exercise
in full of the  Rights,  the  thirty  (30) day  period  set  forth  above may be
extended to the extent  necessary,  but not more than ninety (90) days after the
Flip-In  Trigger Date, in order that the Company may seek  stockholder  approval
for the  authorization  of such  additional  shares or Common Stock  Equivalents
(such  thirty  (30) day  period,  as it may be  extended,  is herein  called the
"Substitution  Period").  To the extent  that the Company  determines  that some
action  need be taken  pursuant  to the second  and/or  third  sentence  of this
Section 11(a)(iii),  the Company (x) shall provide, subject to the last sentence
of Section  11(a)(ii)  hereof,  that such action  shall apply  uniformly  to all

                                       12

<PAGE>
                                    Page 26


outstanding  Rights,  and (y) may suspend the exercisability of the Rights until
the expiration of the Substitution  Period in order to seek any authorization of
additional  shares and/or to decide the  appropriate  form of distribution to be
made pursuant to the first  sentence of Section  11(a)(iii) and to determine the
value thereof.  In the event of any such  suspension,  the Company shall issue a
public  announcement  stating  that the  exercisability  of the  Rights has been
temporarily  suspended,  as well as a public  announcement  at such  time as the
suspension is no longer in effect. For purposes of this Section 11(a)(iii),  the
value of the Common  Stock  shall be the Current  Market  Price per share of the
Common Stock on the Flip-In  Trigger Date and the per share or per unit value of
any Common Stock  Equivalent  shall be deemed to equal the Current  Market Price
per share of the Common  Stock on such date.  The Board of  Directors  may,  but
shall not be required to, establish  procedures to allocate the right to receive
Common Stock upon the exercise of the Rights among holders of Rights pursuant to
this Section 11(a)(iii).

            (b) In case the Company  shall fix a record date for the issuance of
rights (other than the Rights),  options or warrants to all holders of Preferred
Stock  entitling them to subscribe for or purchase (for a period expiring within
forty-five  calendar days after such record date) Preferred Stock, shares having
the same rights,  privileges and preferences as the Preferred Stock ("equivalent
preferred  stock") or securities  convertible into Preferred Stock or equivalent
preferred stock at a price per share of Preferred Stock or equivalent  preferred
stock (or having a conversion  price per share, if a security  convertible  into
Preferred  Stock or  equivalent  preferred  stock) less than the Current  Market
Price per share of Preferred Stock on such record date, the Purchase Price to be
in effect after such record date shall be determined by multiplying the Purchase
Price  in  effect  immediately  prior to such  record  date by a  fraction,  the
numerator of which shall be the number of shares of Preferred Stock  outstanding
on such  record  date,  plus the number of shares of  Preferred  Stock which the
aggregate offering price of the total number of shares of Preferred Stock and/or
equivalent preferred stock (and/or the aggregate initial conversion price of the
convertible  securities so to be offered)  would purchase at such Current Market
Price,  and the  denominator of which shall be the number of shares of Preferred
Stock  outstanding on such record date, plus the number of additional  shares of
Preferred Stock and/or equivalent preferred stock to be offered for subscription
or  purchase  (or into which the  convertible  securities  so to be offered  are
initially convertible).  In case such subscription price may be paid by delivery
of  consideration  part or all of which may be in a form other  than  cash,  the
value of such non-cash consideration shall be as determined in good faith by the
Board of Directors of the Company,  whose  determination shall be described in a
statement  filed with the Rights  Agent.  Shares of Preferred  Stock owned by or
held for the  account of the  Company  shall not be deemed  outstanding  for the
purpose of any such  computation.  Such  adjustment  shall be made  successively
whenever  such a record  date is  fixed,  and in the event  that such  rights or
warrants  are not so issued,  the  Purchase  Price  shall be  adjusted to be the
Purchase  Price  which  would then be in effect if such record date had not been
fixed.

            (c) In case the Company  shall fix a record date for a  distribution
to all holders of  Preferred  Stock  (including  any such  distribution  made in
connection with a consolidation or merger in which the Company is the continuing
corporation) of evidences of indebtedness,  cash,  assets (other than a dividend
payable in Preferred  Stock,  but including any dividend  payable in stock other
than  Preferred  Stock) or  subscription  rights or  warrants  (excluding  those
referred to in Section 11(b)  hereof),  the Purchase Price to be in effect after
such record date shall be determined by multiplying the Purchase Price in effect
immediately  prior to such  record date by a fraction,  the  numerator  of which
shall be the Current  Market Price per share of  Preferred  Stock on such record
date,  less the fair market value (as  determined  in good faith by the Board of
Directors of the Company,  whose determination shall be described in a statement
filed with the Rights Agent) of the portion of the cash,  assets or evidences of
indebtedness  so to be  distributed or of such  subscription  rights or warrants
applicable to a share of Preferred  Stock and the  denominator of which shall be
such Current Market Price per share of Preferred Stock.  Such adjustments  shall
be made successively whenever such a record date is fixed, and in the event that
such distribution is not so made, the Purchase Price shall be adjusted to be the
Purchase  Price which would have been in effect if such record date had not been
fixed.

                                       13

<PAGE>
                                    Page 27


            (d) (i) For the  purpose of any  computation  hereunder,  other than
computations  made pursuant to Section  11(a)(iii)  hereof,  the "Current Market
Price" per share of Common  Stock on any date shall be deemed to be the  average
of the daily  closing  prices  per  share of the  Common  Stock  for the  thirty
consecutive Trading Days (as such term is hereinafter defined) immediately prior
to such  date,  and  for  purpose  of  computations  made  pursuant  to  Section
11(a)(iii)  hereof,  the "Current Market Price" per share of the Common Stock on
any date shall be deemed to be the average of the daily closing prices per share
of the Common Stock for the ten consecutive  Trading Days immediately  following
such date;  provided,  however,  that in the event that the Current Market Price
per  share of the  Common  Stock is  determined  during a period  following  the
announcement  by  the  issuer  of  the  Common  Stock  of (i)  any  dividend  or
distribution  on the Common Stock (other than a regular  quarterly cash dividend
and   other   than  the   Rights),   (ii)  any   subdivision,   combination   or
reclassification  of the  Common  Stock,  and  prior  to the  expiration  of the
requisite  thirty  Trading Day or ten Trading  Day period,  as set forth  above,
after the ex-dividend date for such dividend or distribution, or the record date
for such subdivision,  combination or reclassification occurs, then, and in each
such case,  the Current  Market  Price  shall be properly  adjusted to take into
account  ex-dividend  trading.  The closing price for each day shall be the last
sale price,  regular  way, or, in case no such sale takes place on such day, the
average of the  closing  bid and asked  prices,  regular  way, in either case as
reported in the principal consolidated transaction reporting system with respect
to securities  listed or admitted to trading on the New York Stock  Exchange or,
if the shares of Common  Stock are not listed or  admitted to trading on the New
York Stock  Exchange,  as reported  in the  principal  consolidated  transaction
reporting  system with respect to securities  listed on the  principal  national
securities  exchange on which the shares of Common  Stock are listed or admitted
to trading  or, if the  shares of Common  Stock are not  listed or  admitted  to
trading on any national securities  exchange,  the last quoted sale 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  shares of Common  Stock are not  quoted by any such
organization,  the average of the closing bid and asked prices as furnished by a
professional  market maker  making a market in the Common Stock  selected by the
Board of Directors of the Company. If on any such date no market maker is making
a market in the  Common  Stock,  the fair  value of such  shares on such date as
determined  in good faith by the Board of Directors of the Company shall be used
and shall be binding on the Rights  Agent.  The term  "Trading Day" shall mean a
day on which the principal national  securities  exchange on which the shares of
Common  Stock are listed or admitted to trading is open for the  transaction  of
business or, if the shares of Common Stock are not listed or admitted to trading
on any national securities  exchange, a Business Day. If the Common Stock is not
publicly held or not so listed or traded, "Current Market Price" per share shall
mean the fair  value  per  share as  determined  in good  faith by the  Board of
Directors of the Company,  whose determination shall be described in a statement
filed with the Rights Agent and shall be conclusive for all purposes.

                  (ii)  For  the  purpose  of  any  computation  hereunder,  the
"Current Market Price" per share (or one  one-hundredth of a share) of Preferred
Stock shall be  determined  in the same manner as set forth above for the Common
Stock in  clause  (i) of this  Section  11(d)  (other  than  the  last  sentence
thereof).  If the  Current  Market  Price per share (or one  one-hundredth  of a
share) of Preferred  Stock cannot be determined in the manner  provided above or
if the  Preferred  Stock is not  publicly  held or  listed or traded in a manner
described in clause (i) of this Section  11(d),  the "Current  Market Price" per
share of Preferred Stock shall be  conclusively  deemed to be an amount equal to
1,000 (as such  number may be  appropriately  adjusted  for such events as stock
splits, stock dividends and  recapitalizations  with respect to the Common Stock
occurring  after the date of this  Agreement)  multiplied by the Current  Market
Price per share of the  Common  Stock and the  "Current  Market  Price"  per one
one-hundredth of a share of Preferred Stock shall be equal to the Current Market
Price per share of the Common Stock (as appropriately  adjusted). If neither the
Common Stock nor the  Preferred  Stock is publicly  held or so listed or traded,
"Current  Market Price" per 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 and shall be conclusive
for all purposes.
                                       14
<PAGE>
                                    Page 28



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

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

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

            (h) Unless the Company shall have exercised its election as provided
in Section 11(i),  upon each adjustment of the Purchase Price as a result of the
calculations made in Sections 11(b) and (c), each Right outstanding  immediately
prior to the making of such adjustment  shall  thereafter  evidence the right to
purchase, at the adjusted Purchase Price, that number of one one-hundredths of a
share of  Preferred  Stock  (calculated  to the  nearest  one-hundred-hundredth)
obtained by (i) multiplying (x) the number of one  one-hundredths  of a share of
Preferred Stock 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 or any adjustment to the number of shares of Preferred  Stock
for which a Right may be exercised made pursuant to Sections 11(a)(i),  11(b) or
11(c), to adjust the number of Rights in lieu of any adjustment in the number of
shares of Preferred Stock  purchasable upon the exercise of a Right. Each of the
Rights  outstanding  after the  adjustment  in the  number  of  Rights  shall be
exercisable  for the number of shares of  Preferred  Stock for which a Right was
exercisable  immediately  prior to such  adjustment.  Each  Right held of record
prior to such  adjustment  of the number of Rights  shall  become that number of
Rights  (calculated to the nearest one  hundred-hundredth)  obtained by dividing
the Purchase  Price in effect  immediately  prior to  adjustment of the Purchase
Price by the  Purchase  Price in  effect  immediately  after  adjustment  of the
Purchase Price. The Company shall make a public  announcement of its election to
adjust the number of Rights, indicating the record date for the adjustment, and,
if known at the time, the amount of the adjustment to be made.  This record date
may be the date on which the Purchase  Price is adjusted or any day  thereafter,
but,  if the Right  Certificates  have been  issued,  shall be at least ten 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

                                       15

<PAGE>
                                    Page 29


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 may bear, at the option of the Company,  the adjusted  Purchase  Price) and
shall be registered in the names of the holders of record of 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 shares of  Preferred  Stock  issuable  upon the exercise of the
Rights, the Right Certificates theretofore and thereafter issued may continue to
express  the  Purchase  Price  per share and the  number  of shares  which  were
expressed in the initial Right Certificate issued hereunder.

            (k) Before taking any action that would cause an adjustment reducing
the  Purchase  Price  below the then par value,  if any, of the shares of Common
Stock,  Preferred  Stock or other  capital  stock  issuable upon exercise of the
Rights,  the Company shall take any corporate  action,  including using its best
efforts to obtain any required stockholder approvals,  which may, in the opinion
of its  counsel,  be necessary in order that the Company may validly and legally
issue fully paid and  nonassessable  shares of Common Stock,  Preferred Stock or
other capital stock at such adjusted Purchase Price. If upon any exercise of the
Rights,  a holder is to receive a  combination  of Common Stock and Common Stock
Equivalents, a portion of the consideration paid upon such exercise, equal to at
least  the then par value of a share of Common  Stock of the  Company,  shall be
allocated  as the  payment  for each  share of Common  Stock of the  Company  so
received.

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

            (m) Anything in this Section 11 to the contrary notwithstanding, the
Company  shall be entitled to make such  reductions  in the Purchase  Price,  in
addition to those adjustments  expressly  required by this Section 11, as and to
the extent  that in their  good faith  judgment  the Board of  Directors  of the
Company shall determine to be advisable in order that any (i)  consolidation  or
subdivision  of the  Preferred  Stock,  (ii)  issuance for cash of any shares of
Preferred  Stock at less than the Current Market Price,  (iii) issuance for cash
of shares of Preferred Stock or securities  which by their terms are convertible
into or exchangeable for shares of Preferred Stock,  (iv) stock dividends or (v)
issuance  of  rights.  options  or  warrants  referred  to in this  Section  11,
hereafter  made by the  Company to holders of its  Preferred  Stock shall not be
taxable to such stockholders.

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

                                       16

<PAGE>
                                    Page 30


Company and such other  Person shall have  executed and  delivered to the Rights
Agent a supplemental agreement evidencing compliance with this subsection.

            (o) The Company  covenants and agrees that,  after the  Distribution
Date, it will not,  except as permitted by Section 23,  Section 24 or Section 27
hereof,  take (or permit any  Subsidiary to take) any action if at the time such
action is taken it is  reasonably  foreseeable  that such action  will  diminish
substantially or eliminate the benefits intended to be afforded by the Rights.

            (p) Anything in this Agreement to the contrary  notwithstanding,  in
the event that the Company  shall at any time after the Record Date and prior to
the Distribution Date (i) declare or pay any dividend on the outstanding  shares
of  Common  Stock  payable  in  shares  of  Common  Stock,  (ii)  subdivide  the
outstanding  shares of Common Stock, or (iii) combine the outstanding  shares of
Common Stock into a smaller  number of shares,  the number of Rights  associated
with each  share of  Common  Stock  then  outstanding,  or  issued or  delivered
thereafter,  shall be  proportionately  adjusted  so that the  number  of Rights
thereafter  associated  with each share of Common Stock following any such event
equals the result obtained by multiplying  the number of Rights  associated with
each share of Common Stock  immediately  prior to such event by a fraction,  the
numerator  or which  shall be the number of shares of Common  Stock  outstanding
immediately  prior to the occurrence of such event and the  denominator of which
shall be the number of shares of Common Stock outstanding  immediately following
the occurrence of such event.

12.   Certification of Adjustments.  Whenever an adjustment is made as provided 
in  Sections  11 and 13  hereof,  the  Company  shall  (a)  promptly  prepare  a
certificate  signed by its Chief  Executive  Officer,  its President or any Vice
President and by the  Treasurer or any  Assistant  Treasurer or the Secretary or
any Assistant Secretary of the Company setting forth such adjustment and a brief
statement of the facts giving rise to such  adjustment,  (b) promptly  file with
the Rights Agent and with each transfer  agent for the  Preferred  Stock and the
Common Stock a copy of such  certificate and (c) mail a brief summary thereof to
each holder of a Right  Certificate (or, if prior to the  Distribution  Date, to
each holder of a certificate  representing shares of Common Stock) in accordance
with Section 26 hereof.  Notwithstanding the foregoing sentence,  the failure of
the Company to give such notice shall not affect the validity of or the force or
effect of or the  requirement  for such  adjustment.  The Rights  Agent shall be
fully protected in relying on any certificate  prepared by the Company  pursuant
to Sections 11 and 13 and on any adjustment  therein  contained and shall not be
deemed to have knowledge of any such  adjustment  unless and until it shall have
received such certificate. Any adjustment to be made pursuant to Sections 11 and
13 of this  Rights  Agreement  shall be  effective  as of the date of the  event
giving rise to such adjustment.

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

            (a) In the event that  following  the first  occurrence of a Flip-In
Event, directly or indirectly,  (x) the Company shall consolidate with, or merge
with and into,  any other  Person or Persons  and the  Company  shall not be the
surviving or continuing  corporation of such consolidation or merger, or (y) any
Person or Persons shall  consolidate  with, or merge with and into, the Company,
and the  Company  shall  be the  continuing  or  surviving  corporation  of such
consolidation  or merger and, in connection with such  consolidation  or merger,
all or part of the  outstanding  shares of Common Stock shall be changed into or
exchanged for stock or other securities of any other Person or of the Company or
each  or any  other  property  [other  than,  in the  case  of the  transactions
described in  subparagraphs  (x) or (y), a merger or  consolidation  which would
result in all of the Voting Power  represented  by the securities of the Company
outstanding  immediately  prior  thereto  continuing  to  represent  (either  by
remaining  outstanding or by being  converted  into  securities of the surviving
entity) all of the Voting Power  represented by the securities of the Company or
such surviving entity outstanding immediately after such merger or consolidation
and the  holders  of such  securities  not  having  changed  as a result of such
transactions], or (z) the Company or one or more of its Subsidiaries shall sell,
mortgage or otherwise transfer to any other Person or any Affiliate or Associate
of such Person, in one transaction, or a series of related transactions,  assets
or earning power aggregating more than 50% of the assets or earning power of the
Company and its Subsidiaries (taken as a whole), then, on the  first  occurrence

                                       17

<PAGE>
                                    Page 31


of any such event (a "Flip-Over Event"),  proper provision shall be made so that
(i) each holder of a Right (other than Rights which have become void pursuant to
Section 11(a)(ii)  hereof) shall thereafter have the right to receive,  upon the
exercise  thereof at the Purchase Price (as  theretofore  adjusted in accordance
with Section 11(a)(ii)  hereof),  in accordance with the terms of this Agreement
and in lieu of shares of Preferred  Stock or Common  Stock of the Company,  such
number of validly authorized and issued,  fully paid,  non-assessable and freely
tradeable  shares  of  Common  Stock of the  Principal  Party  (as such  term is
hereinafter defined),  not subject to any liens,  encumbrances,  rights of first
refusal or other adverse claims,  as shall equal the result obtained by dividing
the Purchase Price (as theretofore adjusted in accordance with Section 11(a)(ii)
hereof) by 50% of the Current Market Price per share of the Common Stock of such
Principal  Party  (determined  pursuant to Section  11(d) hereof) on the date of
consummation of such consolidation, merger, sale or transfer; provided, however,
that the Purchase  Price (as  theretofore  adjusted in  accordance  with Section
11(a)(ii)  hereof)  and the number of shares of Common  Stock of such  Principal
Party so  receivable  upon  exercise  of a Right  shall be  subject  to  further
adjustment as appropriate in accordance with Section 11(f) hereof to reflect any
events  occurring in respect of the Common Stock of such  Principal  Party after
the  occurrence  of such  consolidation,  merger,  sale or  transfer;  (ii) such
Principal Party shall  thereafter be liable for, and shall assume,  by virtue of
such Flip-Over  Event, all the obligations and duties of the Company pursuant to
this Rights Agreement;  (iii) the term "Company" for all purposes of this Rights
Agreement shall  thereafter be deemed to refer to such Principal Party, it being
specifically  intended that the provisions of Section 11 hereof shall only apply
to such Principal Party following the first occurrence of a Flip-Over Event; and
(iv) such Principal Party shall take such steps (including,  but not limited to,
the  reservation  of a  sufficient  number  of  shares  of its  Common  Stock in
accordance  with Section 9 hereof) in connection  with the  consummation  of any
such transaction as may be necessary to assure that the provisions  hereof shall
thereafter be  applicable,  as nearly as  reasonably  may be, in relation to its
shares of Common Stock  thereafter  deliverable upon the exercise of the rights;
provided,   however,  that,  upon  the  subsequent  occurrence  of  any  merger,
consolidation,  sale  of  all or  substantially  all  assets,  recapitalization,
reclassification of shares, reorganization or other extraordinary transaction in
respect of such  Principal  Party,  each  holder of a Right shall  thereupon  be
entitled  to  receive,  upon  exercise of a Right,  such cash,  shares,  rights,
warrants  and other  property  which such  holder  would have been  entitled  to
receive  had he, at the time of such  transaction,  owned  the  shares of Common
Stock of the Principal Party  purchasable upon the exercise of a Right, and such
Principal  Party  shall  take  such  steps  (including,   but  not  limited  to,
reservation  of  shares  of stock) as may  necessary  to permit  the  subsequent
exercise of the right in accordance with the terms hereof for such cash, shares,
rights, warrants and other property.

            (b)   "Principal Party" shall mean

                  (i) in the case of any transaction  described in (x) or (y) of
the first sentence of Section 13(a) hereof; (A) the Person that is the issuer of
the securities into which shares of Common Stock of the Company are converted in
such merger or  consolidation,  or, if there is more than one such  issuer,  the
issuer the Common Stock of which has the greatest  aggregate market value or (B)
if no  securities  are so issued,  (x) the Person that is the other party to the
merger or consolidation and that survives said merger or  consolidation,  or, if
there is more than one such Person, the Person the Common Stock of which has the
greatest market value or (y) if the Person that is the other party to the merger
or consolidation  does not survive the merger or consolidation,  the Person that
does survive the merger or consolidation (including the Company if it survives);
and

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

                                       18

<PAGE>
                                    Page 32


provided,  however,  that in any such case described in the foregoing  (b)(i) or
(b)(ii),  (1) if the Common Stock of such Person is not at such time and has not
been continuously over the preceding 12-month period registered under Section 12
of the  Exchange  Act,  and such  Person is a direct or indirect  Subsidiary  of
another Person the Common Stock of which is and has been so registered, the term
"Principal  Party" shall refer to such other Person,  or (2) if such Person is a
Subsidiary,  directly or indirectly,  of more than one Person, the Common Stocks
of all of which  are and have been so  registered,  the term  "Principal  Party"
shall  refer to  whichever  of such  Persons is the  issuer of the Common  Stock
having the greatest market value of shares outstanding, or (3) if such Person is
owned, directly or indirectly,  by a joint venture formed by two or more Persons
that are not owned,  directly or indirectly,  by the same Person,  the rules set
forth in clauses (1) and (2) above  shall apply to each of the owners  having an
interest in the joint  venture as if the Person owned by the joint venture was a
Subsidiary of both or all of such joint  venturers,  and the Principal  Party in
each such case shall bear the  obligations  set forth in this  Section 13 in the
same ratio as its interest in such Person bears to the total of such interests.

            (c) The Company shall not consummate any consolidation, merger, sale
or transfer referred to in Section 13(a) unless the Principal Party shall have a
sufficient  number of  authorized  shares of its Common Stock that have not been
issued or reserved  for issuance to permit the exercise in full of the Rights in
accordance  with this  Section 13 and unless  prior  thereto the Company and the
Principal Party involved therein shall have executed and delivered to the Rights
Agent an agreement  confirming  that the  requirements of Sections 13(a) and (b)
hereof shall promptly be performed in accordance  with their terms and that such
consolidation,  merger, sale or transfer of assets shall not result in a default
by the Principal  Party under this Rights  Agreement as the same shall have been
assumed by the  Principal  Party  pursuant to Sections  13(a) and (b) hereof and
further  providing  that, as soon as practicable  after executing such agreement
pursuant to this Section 13, the Principal Party at its own expense shall:

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

                  (ii)  use  its  best  efforts,  if  the  Common  Stock  of the
Principal Party shall become listed on a national securities  exchange,  to list
(or  continue  the listing of) the Rights and the  securities  purchasable  upon
exercise of the Rights on such  securities  exchange and, if the Common Stock of
the Principal Party shall not be listed on a national  securities  exchange,  to
cause the Rights and the securities  purchased upon exercise of the Rights to be
reported by NASDAQ or such other system then in use;

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

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

In the event that any of the  transactions  described  in Section  13(a)  hereof
shall  occur at any time after the  occurrence  of a  transaction  described  in
Section 11(a)(ii)  hereof,  the Rights which have not theretofore been exercised
shall thereafter be exercisable in the manner described in Section 13(a).

            (d) Furthermore,  in case the Principal Party which is to be a party
to a  transaction  referred to in this  Section 13 has a provision in any of its
authorized securities or in its Certificate of Incorporation or By-laws or other
instrument governing its corporate  affairs,  which p rovision  would  have  the
  
                                       19

<PAGE>
                                    Page 33



effect of (i) causing such Principal Party to issue, in connection with, or as a
consequence of, the  consummation  of a transaction  referred to in this Section
13, shares of Common Stock of such Principal Party at less than the then Current
Market  Price per  share  (determined  pursuant  to  Section  11(d)  hereof)  or
securities  exercisable for, or convertible into, Common Stock of such Principal
Party at less than such then  current  market  price  (other  than to holders of
rights  pursuant to this Section 13) or (ii) providing for any special  payment,
tax or similar provisions in connection with the issuance of the Common Stock of
such  Principal  Party  pursuant to the  provisions of Section 13; then, in such
event,  the Company  hereby  agrees with each holder of Rights that it shall not
consummate  any such  transaction  unless  prior  thereto  the  Company and such
Principal  Party  shall  have  executed  and  delivered  to the  Rights  Agent a
supplemental  agreement  providing  that  the  provision  in  question  of  such
Principal  Party  shall  have  been  canceled,  waived or  amended,  or that the
authorized  securities shall be redeemed,  so that the applicable provision will
have no effect in connection  with, or as a consequence of, the  consummation of
the proposed transaction.

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  holders of record 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 then current
market value of a whole Right.  For the purposes of this Section 14(a), the then
current  market value of a Right shall be  determined  in the same manner as the
Current Market Price of a share of Common Stock shall be determined  pursuant to
Section 11(d) hereof.

            (b) The Company  shall not be required to issue  fractions of shares
of Preferred  Stock (other than  fractions  which are integral  multiples of one
one-hundredth  of a share of Preferred  Stock) upon exercise of the Rights or to
distribute  certificates  which evidence  fractional  shares of Preferred  Stock
(other than fractions  which are integral  multiples of one  one-hundredth  of a
share of Preferred  Stock).  Fractions of shares of Preferred  Stock in integral
multiples  of one  one-hundredth  of a share  of  Preferred  Stock  may,  at the
election of the Company,  be evidenced by  depositary  receipts,  pursuant to an
appropriate  agreement  between  the Company  and a  depositary  selected by it,
provided that such agreement  shall provide that the holders of such  depositary
receipts shall have all the rights, privileges and preferences to which they are
entitled as beneficial  owners of the shares of Preferred  Stock  represented by
such depositary  receipts.  In lieu of fractional shares of Preferred Stock that
are not integral  multiples of one  one-hundredth of a share of Preferred Stock,
the Company may 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  one-hundredth  of a  share  of
Preferred Stock. For purposes of this Section 14(b), the current market value of
one  one-hundredth  of a share of Preferred Stock shall be one  one-hundredth of
the Current Market Price of a share of Preferred  Stock (as determined  pursuant
to Section  11(d)(ii)  hereof) for the Trading Day immediately prior to the date
of such exercise.

            (c) Following the occurrence of a Flip-In  Event,  the Company shall
not be required to issue  fractions of shares or units of Common Stock or Common
Stock  Equivalents  or  other  securities  upon  exercise  of the  Rights  or to
distribute certificates which evidence fractional shares of such Common Stock or
Common Stock  Equivalents or other  securities.  In lieu of fractional shares or
units of such Common Stock or Common Stock Equivalents or other securities,  the
Company may 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 a share or unit of such Common Stock or
Common Stock Equivalent or other securities. For purposes of this Section 14(c),
the Current  Market Value shall be determined in the manner set forth in Section
11(d) hereof for the Trading Day immediately  prior to the date of such exercise
and, if such Common  Stock  Equivalent  is not  traded,  each such Common  Stock
Equivalent  shall have the value of one  one-hundredth  of a share of  Preferred
Stock.

                                       20

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                                    Page 34


            (d) The  holder of a Right by the  acceptance  of a Right  expressly
waives his right to receive any fractional  Right or any fractional  shares upon
exercise of a Right.

15.   Rights of Action. All rights of action in respect of this Agreement, other
than any rights of action vested in the Rights Agent pursuant to Sections 18 and
20  below,  are  vested  in the  respective  holders  of  record  of  the  Right
Certificates  (and, prior to the Distribution Date, the holders of record of the
Common Stock);  and any holder of record of any Right  Certificate (or, prior to
the Distribution  Date, of the Common Stock),  without the consent of the Rights
Agent  or of the  holder  of any  other  Right  Certificate  (or,  prior  to the
Distribution Date, of the Common Stock),  may, in his own behalf and for his own
benefit,  enforce, and may institute and maintain any suit, action or proceeding
against the Company or any other Person 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, accordingly,  that they 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.  Holders of Rights  shall be entitled to recover the
reasonable costs and expenses,  including  attorneys' fees,  incurred by them in
any action to enforce the provisions of this Agreement.

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 not be evidenced
by a Right  Certificate  and will be  transferable  only in connection  with the
transfer of Common Stock;

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

            (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 Stock certificate) is registered as the absolute owner thereof
and of the Rights evidenced thereby  (notwithstanding any notations of ownership
or writing on the Right  Certificate or the associated  Common Stock certificate
made by anyone other than the Company or the Rights Agent or the transfer  agent
of the Common  Stock) for all purposes  whatsoever,  and neither the Company nor
the Rights Agent shall be affected by any notice to the contrary; and

            (d)  notwithstanding  anything in this  Agreement  to the  contrary,
neither the Company nor the Rights Agent shall have any  liability to any holder
of a Right or other  Person as a result of its  inability  to perform any of its
obligations  under this  Agreement  by reason of any  preliminary  or  permanent
injunction  or other  order,  decree  or ruling  issued by a court of  competent
jurisdiction  or by a  governmental,  regulatory  or  administrative  agency  or
commission,  or any statute,  rule, regulation or executive order promulgated or
enacted by any  governmental  authority,  prohibiting  or otherwise  restraining
performance of such obligation; provided, however, that the Company must use its
best  efforts  to have any such  order,  decree  or ruling  lifted or  otherwise
overturned as soon as possible.

17.   Right Certificate Holder Not Deemed a Stockholder.  No holder of a Right, 
as such, shall be entitled to vote, receive dividends in respect of or be deemed
for any purpose to be the holder of Common Stock or any other  securities of the
Company which may at any time be issuable  upon the exercise of the Rights,  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 in 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),

                                       21

<PAGE>
                                    Page 35


or to receive  dividends or subscription  rights in respect of any such stock or
securities,  or  otherwise,  until the Right or Rights  evidenced  by such Right
Certificate shall have been exercised in accordance with the provisions hereof.

18.   Concerning the Rights Agent.

            (a)  The  Company  agrees  to  pay to the  Rights  Agent  reasonable
compensation for all service 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  Rights
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 any thing done or omitted to be
done by the Rights Agent in connection with the acceptance and administration of
this Rights Agreement,  including the cost and expenses of defending against any
claim of liability in the premises.  The indemnity provided herein shall survive
the expiration of the Rights and the termination of this Rights Agreement.

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

19.   Merger or Consolidation or Changed Name of Rights Agent.

            (a) Any  corporation  into which the Rights  Agent or any  successor
Rights  Agent  may be  merged  or  with  which  it may be  consolidated,  or any
corporation resulting from any merger or consolidation to which the Rights Agent
or any successor Rights Agent shall be a party, or any corporation succeeding to
the  corporate  trust or stock  transfer  business  of the  Rights  Agent or any
successor  Rights  Agent,  shall be the successor to the Rights Agent under this
Rights 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 Right  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 Rights Agreement.

            (b) In case at any  time  the  name of the  Rights  Agent  shall  be
changed  and at  such  time  any of  the  Right  Certificates  shall  have  been
countersigned but not delivered, the Rights Agent may adopt the countersignature
under its prior name and deliver such 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
Certificate shall have the full force provided in the Right  Certificates and in
this Rights Agreement.

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

                                       22
<PAGE>
                                    Page 36



            (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 to be taken by it in good  faith and in  accordance  with such
opinion.

            (b)  Whenever  in the  performance  of its duties  under this Rights
Agreement the Rights Agent shall deem it necessary or desirable that any fact or
matter (including,  without limitation, the identity of any Acquiring Person and
the  determination  of "Current  Market  Price") be proved or established by the
Company prior to taking or suffering any action  hereunder,  such fact or matter
(unless other evidence in respect thereof be herein specifically prescribed) may
be deemed to be conclusively proved and established by certificate signed by the
President or any Vice President and by the Treasurer or any Assistant  Treasurer
or the Secretary or any Assistant  Secretary of the Company and delivered to the
Rights Agent;  and such  certificate  shall be full  authorization to the Rights
Agent for any action taken or suffered in good faith by it under the  provisions
of this Rights Agreement in reliance upon such certificate.

            (c) The  Rights  Agent  shall be liable  hereunder  only for its own
negligence, bad faith or willful misconduct.

            (d) The Rights  Agent shall not be liable for or by reason of any of
the statements of fact or recitals  contained in this Rights 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 Rights  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  Rights  Agreement  or in any  Right
Certificate;  nor shall it be responsible for any adjustment  required under the
provisions  of Sections 11, 13, 23 or 24 hereof or  responsible  for the manner,
method or amount of any such adjustment or the  ascertaining of the existence of
facts  that  would  require  any such  adjustment  (except  with  respect to the
exercise of Rights evidenced by Right  Certificates after receipt of Certificate
furnished  pursuant to Section 12 describing any such adjustment);  nor shall it
by any act hereunder be deemed to make any  representation or warranty as to the
authorization or reservation of any shares of Common Stock to be issued pursuant
to this Rights Agreement or any Right Certificate or as to whether any shares of
Common Stock 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 Rights Agreement.

            (g) The Rights  Agent is hereby  authorized  and  directed to accept
instructions  with respect to the  performance of its duties  hereunder from the
Chairman of the Board,  the President or any Vice  President or the Secretary or
any  Assistant  Secretary  or the  Treasurer or any  Assistant  Treasurer of the
Company,  and to apply to such officers for advice or instructions in connection
with its duties,  and it shall not be liable for any action taken or suffered to
be  taken  by it in good  faith  in  accordance  with  instructions  of any such
officer.  Any application by the Rights Agent for written  instructions from the
Company may, at the option of the Rights Agent,  set forth in writing any action
proposed to be taken or omitted by the Rights Agent under this Rights  Agreement
and the date on and/or after which such action  shall be taken or such  omission
shall be effective.  Subject to Section 20(c) hereof, the Rights Agent shall not
be  liable  for any  action  taken by,  or  omission  of,  the  Rights  Agent in
accordance with a proposal included in any such application on or after the date
specified in such application (which date shall not be less than  five  Business

                                       23

<PAGE>
                                    Page 37


Days  after  the  date  any  officer  of  the  Company  actually  receives  such
application,  unless  any such  officer  shall have  consented  in writing to an
earlier date) unless,  prior to taking any such action (or the effective date in
the  case  of an  omission),  the  Rights  Agent  shall  have  received  written
instructions in response to such  application  specifying the action to be taken
or omitted.

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

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

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

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

21.   Change of Rights Agent. The Rights Agent or any successor Rights Agent may
resign and be  discharged  from its duties under this Rights  Agreement  upon 30
days notice in writing, or such earlier period as shall be agreed to in writing,
mailed  to the  Company  and to each  transfer  agent  of the  Common  Stock  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 (with or without  cause)  upon 30 days notice in writing,  or such
earlier  period as shall be agreed to in writing,  mailed to the Rights Agent or
successor  Rights Agent,  as the case may be, and to each transfer  agent of the
Common Stock 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.  Notwithstanding the foregoing provisions of this
Section 21, in no event shall the  registration  or removal of a Rights Agent be
effective  until a successor  Rights  Agent shall have been  appointed  and have
accepted such  appointment.  If the Company shall fail to make such  appointment
within a period of 30 days after 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
incumbent  Rights  Agent or the  holder of record 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) a corporation organized and doing business under the laws of
the United States or any State thereof,  in good  standing,  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 $50,000,000 or (b) an Affiliate  controlled by a corporation
described  in clause (a) of this  sentence.  After  appointment,  the  successor
Rights  Agent  shall  be  vested  with  the  same  powers,  rights,  duties  and
responsibilities  as if it had been  originally  named as Rights  Agent  without
further act or deed; but the predecessor Rights Agent shall deliver and transfer
to the successor Rights Agent any property at the time held by it hereunder, and
 
                                       24

<PAGE>
                                    Page 38


execute and deliver any further assurance, conveyance, act or deed necessary for
the  purpose.  Not later than the  effective  date of any such  appointment  the
Company shall file notice thereof in writing with the  predecessor  Rights Agent
and each  transfer  agent of the  Common  Stock,  and 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.

22.   Issuance of New Right Certificates. Notwithstanding any of the provisions 
of this Rights  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 per share and the  number or kind or class of shares of stock or
other securities or property  purchasable  under the Right  Certificates made in
accordance  with the  provisions  of this  Rights  Agreement.  In  addition,  in
connection  with the  issuance or sale of shares of Common Stock  following  the
Distribution  Date and prior to the redemption or expiration of the Rights,  the
Company shall, with respect to shares of Common Stock so issued or sold pursuant
to the exercise of stock options or under any employee plan or  arrangement,  or
upon the exercise,  conversion or exchange of securities  hereinafter  issued by
the Company,  in each case existing prior to the Distribution  Date, 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.

23.   Redemption.

            (a) (i) The Board of Directors of the Company may, at its option, at
any time prior to the earlier of (x) the first  occurrence of a Flip-In Event or
(y) the Close of Business on the Expiration  Date,  redeem all but not less than
all the then  outstanding  Rights at a redemption  price of $.001 per Right,  as
such amount may be  appropriately  adjusted to reflect  any stock  split,  stock
dividend or similar transaction occurring after the date hereof (such redemption
price being hereinafter referred to as the "Redemption Price").

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

            (c) In the case of a redemption  permitted under Section 23(a),  the
Company may, at its option, discharge all of its obligations with respect to the
Rights by (i) issuing a press release announcing the manner of redemption of the
Rights  and (ii)  mailing  payment  of the  Redemption  Price to the  registered
holders of the Rights at their last  addresses  as they  appear on the  registry
books of the Rights Agent or, prior to the  Distribution  Date,  on the registry
books of the  transfer  agent of the Common  Stock,  and upon such  action,  all
outstanding Right Certificates shall be null and void without any further action
by the Company.

                                       25

<PAGE>
                                    Page 39


24.   Exchange of Rights for Common Stock.

            (a) The Board of Directors of the Company may, at its option, at any
time after the occurrence of a Flip-In  Event,  exchange all or part of the then
outstanding and exercisable Rights (which (i) shall not include Rights that have
become  void  pursuant to the  provisions  of Section  11(a)(ii)  and (ii) shall
include,  without  limitation,  any Rights issued after the Distribution Date in
accordance  with Section 22) for shares of Common Stock at an exchange  ratio of
one share of Common Stock per Right, appropraitely adjusted to reflect any stock
split,  stock dividend or similar  transaction  occurring  after the date hereof
(such exchange  ratio being  hereinafter  referred to as the "Exchange  Ratio").
Notwithstanding the foregoing,  the Board of Directors shall not be empowered to
effect such exchange at any time after any Person (other than an Exempt Person),
together  with  all  Affiliates  and  Associates  of such  Person,  becomes  the
Beneficial Owner of shares of Common Stock aggregating 50% or more of the shares
of Common  Stock then  outstanding.  From and after the  occurrence  of an event
specified in Section 13(a)  hereof,  any Rights that  theretofore  have not been
exchanged pursuant to this Section 24(a) shall thereafter be exercisable only in
accordance  with  Section 13 and may not be  exchanged  pursuant to this Section
24(a).

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

            (c) In any exchange pursuant to this Section 24, the Company, at its
option,  may  substitute,  and, in the event that there shall not be  sufficient
shares of Common Stock issued but not  outstanding or authorized but unissued to
permit any exchange of Rights as  contemplated  in accordance  with this Section
24, the Company shall substitute to the extent of such  insufficiency,  for each
share of Common Stock that would otherwise be issuable upon exchange of a Right,
a number  of shares of  Preferred  Stock or  fractions  thereof  (or  equivalent
preferred  shares, as such term is defined in Section 11(b)) having an aggregate
current per share market price  (determined  pursuant to Section  11(d)  hereof)
equal to the  current  per  share  market  price of one  share of  Common  Stock
(determined  pursuant  to Section  11(d)  hereof) as of the date of the  Flip-In
Event.

            (d) In the event that there shall not be sufficient shares of Common
Stock  issued but not  outstanding  or  authorized  but  unissued  to permit any
exchange  of Rights as  contemplated  in  accordance  with this  Section 24, the
Company  shall take all such action as may be necessary to authorize  additional
shares of Common Stock for issuance upon exchange of the Rights.

            (e) The Company  shall not be required to issue  fractions of shares
of Common Stock or to distribute  certificates which evidence  fractional shares
of Common Stock. In lieu of such fractional  shares of Common Stock, the Company
shall pay to the  registered  holders of the Right  Certificates  with regard to
which such  fractional  shares of Common  Stock would  otherwise  be issuable an
amount in cash equal to the same fraction of the current market value of a whole
share of Common  Stock.  For the  purposes of this  paragraph  (d),  the current
market value of a whole share of Common Stock shall be the Current  Market Price
of a share of Common Stock (as defined in Section  11(d) hereof for the purposes
of computations made other than pursuant to Section  11(a)(iii)) for the Trading
Day immediately prior to the date of exchange pursuant to this Section 24.

                                       26

<PAGE>
                                    Page 40


25.   Notice of Proposed Actions.

            (a) In case the Company,  after the Distribution Date, shall propose
(i) to effect any of the transactions  referred to in Section 11(a)(i) or to pay
any dividend to the holders of record of its Preferred Stock payable in stock of
any  class or to make any other  distribution  to the  holders  of record of its
Preferred Stock (other than a regular periodic cash dividend),  or (ii) to offer
to the holders of record of its Preferred Stock or options,  warrants,  or other
rights to subscribe for or to purchase shares of Preferred Stock  (including any
security  convertible  into or  exchangeable  for Preferred  Stock) or shares of
stock of any other class or any other securities, options, warrants, convertible
or   exchangeable   securities  or  other   rights,   or  (iii)  to  effect  any
reclassification   of  its   Preferred   Stock   or  any   recapitalization   or
reorganization  of the Company,  or (iv) to effect any  consolidation  or merger
with or into, 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 more than 50% of the assets or earning power of the Company and
its Subsidiaries  (taken as a whole) to, any other Person or Persons,  or (v) to
effect the liquidation,  dissolution or winding up of the Company, then, in each
such  case,  the  Company  shall  give  to  each  holder  of  record  of a Right
Certificate,  in  accordance  with  Section 26 hereof,  notice of such  proposed
action, which shall specify the record date for the purposes of such transaction
referred to in Section 11(a)(i),  or such dividend or distribution,  or the date
on which such reclassification, recapitalization, reorganization, consolidation,
merger, sale or transfer of assets, liquidation, dissolution or winding up is to
take  place and the record  date for  determining  participation  therein by the
holders of record of Preferred  Stock, if any such date is to be fixed, and such
notice shall be so given in the case of any action covered by clause (i) or (ii)
above at least 10 days  prior to the  record  date for  determining  holders  of
record of the  Preferred  Stock for purposes of such action,  and in the case of
any such other action,  at least 10 days prior to the date of the taking of such
proposed action or the date of participation therein by the holders of record of
Preferred Stock, whichever shall be the earlier.

            (b) In case any of the transactions referred to in Section 11(a)(ii)
or Section 13 of this Rights Agreement are proposed, then, in any such case, the
Company  shall give to each  holder of Rights,  in  accordance  with  Section 26
hereof,  notice of the  proposal of such  transaction  at least 10 days prior to
consummating such transaction, which notice shall specify the proposed event and
the  consequences  of the event to holders of Rights under Section  11(a)(ii) or
Section 13 hereof,  as the case may be, and, upon consummating such transaction,
shall similarly give notice thereof to each holder of Rights.

            (c) The  failure to give notice  required by this  Section 25 or any
defect  therein shall not affect the legality or validity of the action taken by
the Company or the vote upon any such action.

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

            Teknowledge Corporation
            1810 Embarcadero Road
            Palo Alto, CA  94303
            Attention:  Chief Executive Officer

Subject to the provisions of Section 20 hereof,  any notice or demand authorized
by this Rights  Agreement to be given or made by the Company or by the holder of
record of any Right  Certificate  or Right to or on the  Rights  Agent  shall be
sufficiently  given  or  made  if sent by  first-class  mail,  postage  prepaid,
addressed  (until  another  address is filed in  writing  with the  Company)  as
follows:

            Registrar and Transfer Company
            10 Commerce Drive
            Cranford, New Jersey 07016
            Attention:  Reorganization Department

                                       27

<PAGE>
                                    Page 41


Notices or demands  authorized  by this Rights  Agreement to be given or made by
the Company or the Rights Agent to the holder of record of any Right Certificate
or  Right  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 it
papers upon the registry books of the Rights Agent or, prior to the Distribution
Date, on the registry books of the Transfer Agent.

27.   Supplements and Amendments. Except as provided in the penultimate sentence
of this Section 27, for so long as the Rights are then  redeemable,  the Company
may in its sole and  absolute  discretion,  and the  Rights  Agent  shall if the
Company so directs,  supplement or amend any provision of this  Agreement in any
respect without the approval of any holders of the Rights.  At any time when the
Rights are no longer redeemable,  except as provided in the penultimate sentence
of this Section 27, the Company may, and the Rights Agent shall,  if the Company
so directs,  supplement  or amend this  Agreement  without  the  approval of any
holders of Rights Certificates in order to (i) cure any ambiguity,  (ii) correct
or  supplement  any  provision  contained  herein  which  may  be  defective  or
inconsistent  with any other  provisions  herein,  (iii) shorten or lengthen any
time period hereunder,  or (iv) change or supplement the provisions hereunder in
any manner which the Company may deem  necessary or desirable;  provided that no
such supplement or amendment shall adversely affect the interests of the holders
of Rights as such (other than an  Acquiring  Person or an Affiliate or Associate
of an Acquiring  Person),  and no such  amendment  may cause the Rights again to
become redeemable or cause the Agreement again to become amendable other than in
accordance with this sentence. Notwithstanding anything contained in this Rights
Agreement  to the  contrary,  no  supplement  or  amendment  shall be made which
changes the Redemption Price.  Prior to the Distribution  Date, the interests of
the  holders of Rights  shall be deemed  coincident  with the  interests  of the
holders of Common Stock.

28.   Successors.   All  of  the   covenants   and  provisions  of  this  Rights
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.

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

30.   Governing  Law.  This Rights 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  solely  by
residents of such state and performed entirely within such state.

31.   Counterparts.  This  Rights  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.

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

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

                                       28

<PAGE>
                                       42


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


[SEAL]


ATTEST:                            TEKNOWLEDGE CORPORATION


By: /s/ Dennis Bugbee          By: /s/ Frederick Hayes-Roth
    ----------------------         ---------------------------------------------
    Name:  Dennis Bugbee           Name:  Frederick Hayes-Roth
    Title: Secretary               Title: Chairman and Chief Executive Officer

[SEAL]


ATTEST:                            TEKNOWLEDGE CORPORATION


By: /s/ Dennis Bugbee          By: /s/ Neil Jacobstein
    ----------------------         ---------------------------------------------
    Name:  Dennis Bugbee           Name:  Neil Jacobstein
    Title: Secretary               Title: President and Chief Operating Officer


[SEAL]

ATTEST:                             REGISTRAR AND TRANSFER COMPANY


By: /s/ Margaret Villani        By: /s/ Thomas L. Montrone
    -----------------------         --------------------------------------------
    Name:  Margaret Villani         Name:  Thomas L. Montrone
    Title: Vice President           Title: President and Chief Executive Officer


                                       29

<PAGE>
                                       43


                                    EXHIBIT A


                             TEKNOWLEDGE CORPORATION

                                   CERTIFICATE
                     OF DESIGNATION, PREFERENCES AND RIGHTS
                               OF THE TERMS OF THE
                            Series A Preferred Stock


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


      We,  the  Chairman  and  Chief  Executive  Officer,  President  and  Chief
Operating  Officer and  Secretary,  respectively,  of  Teknowledge  Corporation,
organized  and  existing  under  the  General  Corporation  Law of the  State of
Delaware,  in accordance  with the provisions of Section 103 thereof,  DO HEREBY
CERTIFY:

      That  pursuant to the authority  conferred  upon the Board of Directors by
the  Certificate of  Incorporation  of the said  Corporation,  the said Board of
Directors  on January 29,  1996,  adopted the  following  resolution  creating a
series of 500,000  shares of Preferred  Stock  designated  as Series A Preferred
Stock:

      RESOLVED,  that pursuant to the authority vested in the Board of Directors
of this  Corporation  in accordance  with the  provisions of its  Certificate of
Incorporation,  a series of Preferred  Stock of the Corporation be and it hereby
is  created,  and  that the  designation  and  amount  thereof  and the  powers,
preferences  and relative,  participating,  optional and other special rights of
the shares of such series, and the  qualifications,  limitations or restrictions
thereof are as follows:

      Section 1.  Designation  and Amount.  The shares of such  series  shall be
designated as "Series A Preferred Stock" (the "Series A Preferred Stock"),  $.01
par value per share, and the number of shares  constituting such series shall be
500,000.

      Section 2.  Dividends and Distributions.

            (A) The  dividend  rate on the  shares of Series A  Preferred  Stock
shall be for each quarterly  dividend  (hereinafter  referred to as a "quarterly
dividend period"), which quarterly dividend periods shall commence on January 1,
April 1, June 1 and  September  1 each year (each such date  being  referred  to
herein as a  "Quarterly  Dividend  Payment  Date")  (or in the case of  original
issuance,  from the date of original  issuance) and shall end on and include the
day next preceding the first date of the next quarterly  dividend  period,  at a
rate per quarterly  dividend  period  (rounded to the nearest cent) equal to the
greater of (a) $50 or (b) subject to the provisions  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 cash,  based upon the fair

                                       1

<PAGE>
                                       44


market value at the time the non-cash dividend or other distribution is declared
as determined in good faith by the Board of Directors) 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 (but not withdrawn) on the Common Stock, par value $.01
per share,  of the  Corporation  (the  "Common  Stock")  during the  immediately
preceding  quarterly  dividend  period,  or, with respect to the first quarterly
dividend period, since the first issuance of any share or fraction of a share of
Series A  Preferred  Stock.  In the event this  Company  shall at any time after
February  12, 1996 (the "Rights  Declaration  Date") (i) declare any dividend on
Common Stock payable in shares of Common Stock,  (ii) subdivide the  outstanding
Common  Stock,  or (iii)  combine the  outstanding  Common  Stock into a smaller
number of shares,  then in each such case the amount 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) 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 of Series A Preferred  Stock,  unless
the date of issue of such  shares  is  prior to the  record  date for the  first
Quarterly  Dividend  Payment Date, in which case  dividends on such shares shall
begin to accrue  from the date of issue of such  shares,  or unless  the date of
issue is a Quarterly  Dividend  Payment  Date or is a date after the record date
for the  determination of holders of shares of Series A 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 no more than 45 days prior to the date fixed
for the payment thereof.

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

            (A) Subject to the provision for adjustment  hereinafter  set forth,
each share of Series A Preferred  Stock shall entitle the holder  thereof to 100
votes on all matters submitted to a vote of the stockholders of the Corporation.
In the event the Corporation shall at any time after the Rights Declaration Date
(i) declare any dividend on Common Stock payable in shares of Common Stock, (ii)
subdivide the outstanding  Common Stock, or (iii) combine the outstanding Common
Stock  into a smaller  number of  shares,  then in each such case the  number of
votes per share to which  holders  of shares of Series A  Preferred  Stock  were

                                       2

<PAGE>
                                       45


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 the  Certificate  of
Incorporation  or by law, the holders of shares of Series A Preferred  Stock and
the holders of shares of Common  Stock  shall vote  together as one class on all
matters submitted to a vote of stockholders of the Corporation.

            (C) Except as set forth herein,  in the Certificate of Incorporation
and in the  By-laws,  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.  Reacquired  Shares.   Any shares of Series A  Preferred  Stock
purchased  or otherwise  acquired by the  Corporation  in any manner  whatsoever
shall be retired and cancelled promptly after the acquisition  thereof. All such
shares shall upon their  cancellation  become  authorized but unissued shares of
Preferred  Stock and may be reissued as part of a new series of Preferred  Stock
to be created by resolution or resolutions of the Board of Directors, subject to
the conditions and restrictions on issuance set forth herein.

      Section 5.  Liquidation, Dissolution or Winding Up.

            (A) In  the  event  of any  voluntary  or  involuntary  liquidation,
dissolution  or  winding  up of the  Corporation,  the  holders  of the Series A
Preferred  Stock shall be entitled to receive the greater of (a) $200 per share,
plus  accrued  dividends to the date of  distribution,  whether or not earned or
declared,  or (b) an 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 Common Stock. In the event the Corporation  shall at any
time after the Rights  Declaration Date (i) declare any dividend on Common Stock
payable in shares of Common Stock, (ii) subdivide the outstanding  Common Stock,
or (iii) combine the  outstanding  Common Stock into a smaller number of shares,
then in each  such  case the  amount  to which  holders  of  shares  of Series A
Preferred Stock were entitled immediately prior to such event pursuant to 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.

      Section 6. Consolidation, Merger, etc. In case the Corporation shall enter
into any  consolidation,  merger,  combination or other transaction in which the
shares  of  Common  Stock are  exchanged  for or  changed  into  other  stock or
securities,  cash and/or any other property, then in any such case the shares of
Series A  Preferred  Stock  shall at the same  time be  similarly  exchanged  or
changed  in an  amount  per  share  (subject  to the  provision  for  adjustment
hereinafter set forth) equal  to  100  times  the  aggregate  amount  of stock, 

                                       3

<PAGE>
                                       46


securities,  cash and/or any other property  (payable in kind),  as the case may
be, into which or for which each share of Common Stock is changed or  exchanged.
In the event the Corporation shall at any time after the Rights Declaration Date
(i) declare any dividend on Common Stock payable in shares of Common Stock, (ii)
subdivide the outstanding  Common Stock, or (iii) combine the outstanding Common
Stock  into a smaller  number of  shares,  then in each such case the amount set
forth in the preceding sentence with respect to the exchange or change of shares
of Series A Preferred  Stock shall be adjusted by  multiplying  such amount by a
fraction  the  numerator  of which is the  number  of  shares  of  Common  Stock
outstanding  immediately  after such event and the  denominator  of which is the
number of shares of Common Stock that were outstanding immediately prior to such
event.

      Section 7.  No Redemption.  The shares of Series A Preferred Stock
shall not be redeemable.

      Section 8.  Fractional  Shares.  Series A Preferred Stock may be issued in
fractions  of a share which shall  entitle the  holder,  in  proportion  to such
holder's  fractional  shares,  to exercise  voting  rights,  receive  dividends,
participate in distributions and have the benefit of all other rights of holders
of Series A Preferred Stock. All payments made with respect to fractional shares
hereunder shall be rounded to the nearest whole cent.

      Section 9.  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 on, make any other  distributions
      on, or redeem or  purchase or  otherwise  acquire  for  consideration  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   on  or  make  any  other
      distributions  on any shares of stock  ranking  on a parity  (either as to
      dividends or upon liquidation,  dissolution or winding up) with the Series
      A Preferred Stock, except dividends paid ratably on the Series A Preferred
      Stock and all such  parity  stock on which  dividends  are  payable  or in
      arrears in  proportion  to the total  amounts to which the  holders of all
      such shares are then entitled;

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

                                       4

<PAGE>
                                       47


      dividends or upon dissolution, liquidation or winding up) to  the Series A
      Preferred Stock; or

                  (iv)  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 9,  purchase or  otherwise  acquire such shares at such time and in
such manner.

      Section 10.  Ranking.  The Series A Preferred Stock shall be junior to all
other Series of the Corporation's preferred stock as to the payment of dividends
and the  distribution  of assets,  unless the terms of any series shall  provide
otherwise.

      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 two-thirds
or more of the outstanding shares of Series A Preferred Stock voting together as
a single class.

      IN WITNESS  WHEREOF,  we have executed and subscribed this Certificate and
od affirm the  foregoing as true under the penalties of perjury this 30th day of
January, 1996.


                                         /s/ Frederick Hayes-Roth
                                         -------------------------------------
                                         Frederick Hayes-Roth
                                         Chairman and Chief Executive Officer


                                         /s/ Neil Jacobstein
                                         -------------------------------------
                                         Neil Jacobstein
                                         President and Chief Operating Officer

Attest:


/s/ Dennis Bugbee
- ------------------------
Dennis Bugbee, Secretary


                                       5

<PAGE>
                                       48


                                    EXHIBIT B

                           [Form of Right Certificate]

Certificate No. W-                                 _______________ Rights

      NOT  EXERCISABLE  AFTER  JANUARY  28,  2006,  OR  EARLIER IF  REDEEMED  OR
      EXCHANGED.  AT THE OPTION OF THE  COMPANY,  THE RIGHTS MAY BE  REDEEMED AT
      $.001 PER RIGHT OR EXCHANGED FOR PREFERRED STOCK ON THE TERMS SET FORTH IN
      THE RIGHTS  AGREEMENT.  IN THE EVENT THAT THE RIGHTS  REPRESENTED  BY THIS
      CERTIFICATE  ARE ISSUED TO A PERSON WHO IS AN ACQUIRING  PERSON OR CERTAIN
      TRANSFEREE  OF THE RIGHTS  PREVIOUSLY  OWNED BY SUCH  PERSONS,  THIS RIGHT
      CERTIFICATE AND THE RIGHTS  REPRESENTED  HEREBY SHALL BE NULL AND VOID AND
      WILL NO LONGER BE TRANSFERABLE.

                                RIGHT CERTIFICATE
                             TEKNOWLEDGE CORPORATION
      This  certifies  that  __________________________________,  or  registered
assigns,  is the registered owner of the number of Rights set forth above,  each
of which  entitles  the owner  thereof,  subject  to the terms,  provisions  and
conditions  of the  Rights  Agreement  dated as of  January  29,  1996  ("Rights
Agreement") between Teknowledge Corporation, a Delaware corporation ("Company"),
and  Registrar  and Transfer  Company  ("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 time) on January 28, 2006, at
the  principal  office of the Rights Agent,  or its  successors as Rights Agent,
designated  for  such  purposes,   one   one-hundredth   of  a  fully  paid  and
nonassessable  share of  Series A  Preferred  Stock of the  Company  ("Preferred
Stock") at a purchase price of $200.00 per one  one-hundredth of a share, as the
same may from time to time be adjusted in accordance  with the Rights  Agreement


                                       1

<PAGE>
                                       49


("Purchase  Price"),  upon  presentation and surrender of this Right Certificate
with the Form of Election  to Purchase  duly  executed.  Capitalized  terms used
herein and not otherwise defined herein shall have the meanings ascribed to such
terms in the Rights Agreement.

      As provided in the Rights Agreement,  the Purchase Price and the number of
shares of Preferred  Stock or other  securities  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 and, upon the
happening of certain events, securities other than shares of Preferred Stock, or
other  property,  may be acquired upon exercise of the Rights  evidenced by this
Right Certificate, as provided by the Rights Agreement.

      Upon the  occurrence of a Flip-In Event,  if the Rights  evidenced by this
Rights  Certificate  are  beneficially  owned by (i) an  Acquiring  Person or an
Affiliate or Associate of any such  Acquiring  Person,  (ii) a transferee of any
such  Acquiring  Person,   Associate  or  Affiliate,   or  (iii)  under  certain
circumstances  specified in the Rights Agreement,  a transferee of a person who,
after such transfer,  became an Acquiring  Person, or any Affiliate or Associate
of an Acquiring Person, such Rights shall be null and void and will no longer be
transferable  and no holder  hereof  shall have any right  with  respect to such
Rights from and after the occurrence of such Flip-In Events.

      This  Right  Certificate  is  subject  to all the  terms,  provisions  and
conditions of the Rights Agreement,  which terms,  provisions and conditions are
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 of the Rights Agent,
the  Company  and  the  holders  of  record  of the  Right  Certificates,  which
limitation of rights include the temporary suspension of the  exercisability  of

                                       2

<PAGE>
                                       50


such Rights under the specific  circumstances set forth in the Rights Agreement.
Copies of the Rights Agreement are on file at the principal  executive office of
the Company and are available upon written request to the Company.

      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 of record to purchase a like  aggregate
number  of  shares  of  Preferred  Stock as the  Rights  evidenced  by the Right
Certificate or Right Certificates surrendered shall have entitled such holder to
purchase. If this Right Certificate shall be exercised in part, the holder shall
be entitled to receive upon surrender hereof, another Right Certificate or Right
Certificates for the number of whole Rights not exercised.

      Subject to the  provisions of the Rights  Agreement,  at any time prior to
the earlier of (i) the occurrence of a Flip-In Event (as such term is defined in
the Rights  Agreement) or (ii) the  Expiration  Date (as such term is defined in
the Rights Agreement),  the Rights evidenced by this Certificate may be redeemed
by the Company at its option at a redemption  price of $.001 per Right.  Subject
to the provisions of the Rights  Agreement,  the Company may, at its option,  at
any time after a Flip-In Event,  exchange all or part of the Rights evidenced by
this Certificate for shares of the Company's Common Stock or for Preferred Stock
(or shares of a class or series of the Company's preferred stock having the same
rights, privileges and preferences as the Preferred Stock).

      No fractional  shares of Preferred Stock shall be issued upon the exercise
of any Right or Rights evidenced hereby (other than fractions which are integral
multiples of one one-hundredth of a share of Preferred Stock,  which may, at the


                                       3

<PAGE>
                                       51


option of the Company, be evidenced by depositary  receipts),  and no fractional
shares of Common  Stock will be issued upon the  exchange of any Right or Rights
evidenced  hereby,  and in lieu  thereof,  as provided in the Rights  Agreement,
fractions of shares of Preferred  Stock or Common Stock shall  receive an amount
in cash equal to the same  fraction of the then  Current  Market  Price (as such
term is defined in the Rights Agreement) of a share of Preferred Stock or Common
Stock, as the case may be.

      No holder of this Right Certificate, as such, shall be entitled to vote or
receive  dividends or be deemed for any purpose the holder of Common Stock or of
any other  securities  of the  Company  which may at any time be issuable on the
exercise hereof,  nor shall anything contained in the Rights Agreement or herein
be construed to confer upon the holder  hereof,  as such, any of the rights of a
stockholder of the Company or any right to vote in 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  (other than certain actions specified 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 or exchanged as provided in the Rights Agreement.

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

                                       4

<PAGE>
                                       52


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

ATTEST:                            TEKNOWLEDGE CORPORATION



______________________________     By:  __________________________________
Secretary
                                   Title: ________________________________



COUNTERSIGNED:                     REGISTRAR AND TRANSFER COMPAN
                                   As Rights Agent

                                   By:  __________________________________
                                        Authorized Officer


                                       5

<PAGE>
                                       53


                  Form of Reverse Side of Right Certificate

                               FORM OF ASSIGNMENT

           (To be executed by the registered holder if such holder
                 desires to transfer any or all of the Rights
                     represented by this Right Certificate)

      FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfers
unto

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

- ------------------------------------------------------------------------------
                 (Name, address and social security or other
                      identifying number of transferee)

___________________________________  (_______________) of the Rights represented
by this Right Certificate, together with all right, title and interest in and to
said    Rights,    and   hereby    irrevocably    constitutes    and    appoints
_________________________  attorney to transfer  said Rights on the books of the
within-named Company with full power of substitution.

      Dated:__________________, 19__              ___________________________
                                                  (Signature)

Signature Guaranteed:


                                   CERTIFICATE

      The undersigned hereby certifies by checking the appropriate boxes that:

      (1) the rights  evidenced  by this Right  Certificate  [ ] are [ ] are not
being sold,  assigned and  transferred by or on behalf of a Person who is or was
an  Acquiring  Person  (as such  capitalized  terms are  defined  in the  Rights
Agreement);

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

      Dated:__________________, 19__              ___________________________
                                                  (Signature)

Signature Guaranteed:


                                       6
<PAGE>
                                       54



                  Form of Reverse Side of Right Certificate
                                   (continued)


                                     NOTICE

      The signatures to the foregoing Assignment and the foregoing  Certificate,
if  applicable,  must  correspond  to the name as written  upon the face of this
Right Certificate in every particular,  without alteration or enlargement or any
change  whatsoever,  and must be  guaranteed  by a  participant  in a Securities
Transfer Association ("STA") recognized signature program.

      In the event that the foregoing  Certificate  is not duly  executed,  with
signature guaranteed,  the Company may deem the Rights represented by this Right
Certificate to be Beneficially  Owned by an Acquiring  Person or an Affiliate or
Associate of an Acquiring Person (as such  capitalized  terms are defined in the
Rights Agreement),  and not issue any Right Certificate or Right Certificates in
exchange for this Right Certificate.


                                       7

<PAGE>
                                       55


                      Form of Reverse of Right Certificate
                                   (continued)

                          FORM OF ELECTION TO PURCHASE

           (To be executed by the registered holder if such holder
                 desires to exercise any or all of the Rights
                     represented by this Right Certificate)

To Teknowledge Corporation:

      The  undersigned  hereby  irrevocably  elects to exercise  _______________
(__________) of the Rights represented by this Right Certificate to purchase the
shares of the Common  Stock of the  Company,  or other  securities  or  property
issuable  upon the  exercise  of said  number of Rights  pursuant  to the Rights
Agreement.

      The undersigned hereby requests that a certificate for any such securities
and any such property be issued in the name of and delivered to:



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

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

                 (Name, address and social security or other
                        identifying number of issuee)

      The  undersigned  hereby  further  requests  that if said number of Rights
shall not be all the Rights represented by this Right  Certificate,  a new Right
Certificate  for the  remaining  balance of such Rights be issued in the name of
and delivered to:



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

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

                 (Name, address and social security or other
                        identifying number of issuee)


      Dated:__________________, 19__              ___________________________
                                                  (Signature)

Signature Guaranteed:


                                       8

<PAGE>
                                       56


                  Form of Reverse Side of Right Certificate
                                   (continued)


                                   CERTIFICATE


      The undersigned hereby certifies by checking the appropriate boxes that:

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

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


      Dated:__________________, 19__              ___________________________
                                                  (Signature)

Signature Guaranteed:


                                     NOTICE

      The  signature to the  foregoing  Election to Purchase  and the  foregoing
Certificate, if applicable, must correspond to the name as written upon the face
of the  this  Right  Certificate  in every  particular,  without  alteration  or
enlargement or any change whatsoever, and must be guaranteed by a member firm of
a registered national securities  exchange, a member of the National Association
of Securities  Dealers,  Inc., or a commercial  bank or trust company  having an
office or correspondent in the United States.

      In  the  event  that  the  foregoing  Certificate  is not  executed,  with
signature guaranteed,  the Company may deem the Rights represented by this Right
Certificate to be Beneficially  Owned by an Acquiring  Person or an Affiliate or
Associate of an Acquiring Person (as such  capitalized  terms are defined in the
Rights Agreement),  and not issue any Right Certificate or Right Certificates in
exchange for this Right Certificate.


                                       9

<PAGE>
                                       57


                                    EXHIBIT C


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

                             TEKNOWLEDGE CORPORATION

                               Summary of Terms of
                                Rights Agreement



Nature of Right:              When  exercisable,  each  Right  (a "Right") will 
                              initially  entitle  the  holder  to  purchase  one
                              one-hundredth  of a share of  Series  A  Preferred
                              Stock    ("Preferred    Stock")   of   Teknowledge
                              Corporation (the "Company").

Means of Distribution:        The Rights will be distributed  to holders of the 
                              Company's outstanding Common Stock as a dividend  
                              of one  Right  for  each  share of Common Stock.  
                              The Rights will also be  attached  to all future  
                              issuances   of   Common   Stock   prior   to  the 
                              Distribution Date (as defined below).

Exercisability:               Rights  become  exercisable  on  the  earlier  of:
                              (i) the  tenth  day  following  the date of public
                              announcement  by  the Company or by  any person or
                              group (an  "Acquiring  Person")  that such  person
                              or  group  has  acquired  beneficial  ownership of
                              15% or  more of the Company's  outstanding  Common
                              Stock,  or (ii)  the  tenth  business day  (unless
                              extended  by  the  Board   prior  to  the  time  a
                              person  becomes  an  Acquiring  Person)  following
                              the   commencement,    or   announcement   of   an
                              intention  to  commence,  by  any person  or group
                              of   a  tender  or  exchange  offer  which   would
                              result in  such  person  owning 15% or more of the
                              outstanding  Common  Stock  of  the  Company  (the
                              earlier  of  such  dates  is  referred  to as  the
                              "Distribution    Date").    Rights   will    trade
                              separately   from   the  Common   Stock  once  the
                              Rights become exercisable.

Exercise Price:               $2.00 per  share,  which  is  the  amount  that in
                              the   judgment   of   the    Board  of   Directors
                              represents  the   long-term   value of the  Common
                              Stock  over  the  term  of  the  Rights  Agreement
                             (the "Exercise Price").

Term:                         The Rights  will  expire  upon  the earlier of (i)
                              ten  years   after  the  date   of  issuance,   or
                              January  28,  2006 or  (ii) redemption or exchange
                              by the Company as described below.

Redemption of  Rights:        Rights are  redeemable  at a price of $0.001 per  
                              Right,  by the vote  of  the Company's Board of   
                              Directors,   at  any  time  until  the occurrence 
                              of a Flip-In Event (defined below).

                                       1

<PAGE>
                                       58


Preferred Stock:              The Preferred  Stock   purchasable   upon exercise
                              of the Rights  will  be  nonredeemable  and junior
                              to  any  other   series  of  preferred  stock  the
                              Company may  issue  (unless otherwise  provided in
                              the terms  of such  other  series).  Each share of
                              Preferred   Stock    will   have  a   preferential
                              cumulative   quarterly   dividend   in  an  amount
                              equal  to  the   greater  of  (a) $50  or (b)  100
                              times  the  dividend  declared  on  each  share of
                              Common Stock. In  the  event of  liquidation,  the
                              holders  of   Preferred   Stock  will  receive  a
                              preferred   liquidation   payment   equal  to  the
                              greater  of  (a) $200  per  share,   plus  accrued
                              dividends  to  the  date of  distribution  whether
                              or not earned  or  declared,  or (b) an amount per
                              share equal  to  100 times the  aggregate  payment
                              to  be  distributed  per  share of  Common  Stock.
                              Each  share  of   Preferred  Stock  will  have 100
                              votes,   voting   together   with  the  shares  of
                              Common  Stock.   In  the   event  of  any  merger,
                              consolidation   or  other   transaction  in  which
                              shares of   Common  Stock   are  exchanged  for or
                              changed  into  other  securities,   cash  and / or
                              other  property,  each  share  of Preferred  Stock
                              will  be   entitled   to  receive  100  times  the
                              amount and  type  of  consideration  received  per
                              share  of   Common  Stock.   The   rights  of  the
                              Preferred   Stock  as  to  dividends,  liquidation
                              and  voting,  and  in  the  event of  mergers  and
                              consolidations,   are   protected   by   customary
                              anti-dilution   provisions.    Fractional   shares
                              (in integral  multiples  of  one one-hundredth) of
                              Preferred Stock will  be  issuable;  however,  the
                              Company   may  elect  to   distribute   depositary
                              receipts in  lieu  of such fractional  shares.  In
                              lieu of  fractional  shares  other than  fractions
                              that  are  multiples  of  one  one-hundredth  of a
                              share,  an adjustment  in  cash will be made based
                              on the market  price  of  the  Preferred  Stock on
                              the  last  trading  date  prior  to  the  date  of
                              exercise.   Because   of   the    nature   of  the
                              Preferred   Stock's   dividend,   liquidation  and
                              voting  rights,  the  value of one  one-hundredth
                              of a share of  Preferred  Stock  purchasable  upon
                              exercise of  each  Right  should  approximate  the
                              value of one share of Common Stock.

Rights in Event of            In   the   event   that   an    Acquiring   Person
Self-Dealing Transac-         engages  in   certain  self-dealing   transactions
tion or Acquisition of        with   the  Company,  or  a  Person   becomes  the
Substantial Amount of         beneficial   owner   of   15%   or   more  of  the
Common Stock:                 outstanding  Common  Stock  ("Flip-In Events"),  a
                              holder  of a  Right  thereafter  has the  right to
                              purchase,   upon  payment  of  the   then  current
                              Exercise Price, in lieu of one  one-hundredth of a
                              share of Preferred  Stock per  outstanding  Right,
                              such  number of shares  of Common  Stock  having a
                              market value at the time of the transaction  equal
                              to the  Exercise  Price  divided by  one-half  the
                              Current  Market  Price(as  defined  in the  Rights
                              Agreement)  of the Common  Stock.  Notwithstanding
                              the foregoing, Rights held by the Acquiring Person
                              or any  Associate or Affiliate  thereof or certain
                              transferees will be null and void and no longer be
                              transferable.

                              Self-dealing transactions are defined to include a
                              consolidation,  merger or other  combination of an
                              Acquiring  Person  with the  Company  in which the
                              Company is the surviving corporation, the transfer
                              of  assets  to  the   Company  in   exchange   for
                              securities  of the Company,  or  otherwise  obtain
                              securities  of the  Company  (other  than in a pro
                              rata distribution to all stockholders),  the sale,
                              purchase, transfer, distribution, lease, mortgage,
                              pledge or  acquisition  of assets by the Acquiring
                              Person  to,  from  or  with  the  Company on other

                                      2

<PAGE>
                                       59


                              than an arm's  length  basis,  compensation  to an
                              Acquiring  Person  for  services  (other  than for
                              employment  as a regular or part-time  employee or
                              director on a basis  consistent with the Company's
                              past  practice),  a loan  or  provision  of  other
                              financial assistance (except  proportionately as a
                              stockholder)   to  an  Acquiring   Person  or  the
                              licensing,  sale or other  transfer of proprietary
                              technology  or  know-how  from the  Company to the
                              Acquiring  Person  on terms  not  approved  by the
                              Board   of   Directors   or  a   reclassification,
                              recapitalization  or  other  transaction  with the
                              effect of increasing by more than 1% the Acquiring
                              Person's  proportionate  share  of  any  class  of
                              securities of the Company.

Rights in Event of            If,   following  the   occurrence  of  a   Flip-In
Business Combination:         Event,  the  Company  is acquired  by  any  person
                              in  a  merger   or  other   business   combination
                              transaction in which the Common Stock is exchanged
                              or  converted or in which the  corporation  is not
                              the surviving  corporation,  or 50% or more of its
                              assets or  earnings  power are sold to any person,
                              each holder of a Right  (other  than an  Acquiring
                              Person, or Affiliates or Associates thereof) shall
                              thereafter  have  the  right  to  purchase,   upon
                              payment of the then current  Exercise Price,  such
                              number of shares of common stock of the  acquiring
                              company having a current market value equal to the
                              Exercise  Price  divided by  one-half  the Current
                              Market Price of such common stock.

Exchange Option:              In the event (i) any  person  or group  becomes an
                              Acquiring  Person  or (ii)  any  of  the  types of
                              transactions,   acquisitions   or   other   events
                              described   above  as   self-dealing  transactions
                              occur,  and   prior  to  the  acquisition  by such
                              person   or    group   of  50%  or   more  of  the
                              outstanding   shares of  Common  Stock,  the Board
                              may   require   all   or  any   portion   of   the
                              outstanding  Rights   (other  than Rights owned by
                              such  Acquiring  Person  which  have  become void)
                              to be  exchanged  for  Common Stock  on a pro rata
                              basis,  at  an  exchange  ratio  of  one  share of
                              Common Stock  or one  one-hundredth of  a share of
                              Preferred  Stock  (or  of a share  of  a class  or
                              series of the  Company's  Preferred  Stock  having
                              equivalent  rights,  preferences  and privileges),
                              per Right (subject to adjustment).

Fractional Shares:            No  fractional  shares of  Common  Stock  will be
                              issued upon  exercise  of  the Rights and, in lieu
                              thereof,  a payment  in  cash will  be made to the
                              holder  of   such   Rights   equal  to   the  same
                              fraction of the current  market  value  of a share
                              of Common Stock.

Adjustment:                   The Exercise  Price  payable,  and  the  number of
                              shares of  Preferred  Stock  or other  securities
                              or  property  issuable,  upon   exercise   of  the
                              Rights are  subject to  adjustment  from  time  to
                              time to prevent  dilution  (i) in the event  of  a
                              stock    dividend   on,    or   a     subdivision,
                              combination   or    reclassification    of   the
                              Preferred Stock,  (ii)  upon  the grant to holders
                              of  the  Preferred  Stock  of  certain  rights  or
                              warrants to  subscribe  for   Preferred  Stock  or
                              convertible  securities  at less than the current
                              market  price  of the  Preferred  Stock  or  (iii)
                              upon  the   distribution   to   holders   of   the
                              Preferred  Stock of  evidences of  indebtedness or
                              assets    (excluding    dividends    payable    in
                              Preferred  Stock)  or  of  subscription  rights or
                              warrants  (other  than  those  referred to above).
                              The number of  Rights  associated  with each share
                              of Common  Stock  is  also  subject to  adjustment

                                       3

<PAGE>
                                       60


                              in the event of a stock split of the Common  Stock
                              or a stock dividend on the Common Stock payable in
                              Common Stock or  subdivisions,  consolidations  or
                              combinations of the Common Stock occurring, in any
                              such case, prior to the Distribution Date.

Rights as Stockholder:        The Rights  themselves  do not  entitle the holder
                              thereof   to   any   rights   as  a   stockholder,
                              including, without  limitation,  voting  rights or
                              to receive dividends.

Amendment of Rights:          Until  the  Rights   become   nonredeemable,   the
                              Company   may,   except   with   respect  to   the
                              redemption  price,  amend  the  Agreement  in  any
                              manner.  After the  Rights  become  nonredeemable,
                              the Company may amend  the  Agreement  to cure any
                              ambiguity,   to   correct   or   supplement    any
                              provision    which    may    be    defective    or
                              inconsistent  with  any   other   provisions,   to
                              shorten or  lengthen  any  time  period  under the
                              Rights  Agreement,  or  to  change  or  supplement
                              any  provision  in  any  manner the  Company  may
                              deem  necessary  or  desirable,  provided  that no
                              such    amendment   may   adversely   affect   the
                              interests  of  the  holders of  the Rights  (other
                              than t he  Acquiring  Person or its  Affiliates or
                              Associates)  or  cause  the  Rights  to  again  be
                              redeemable  or the  Agreement to  again be  freely
                              amendable.





      A copy of the Rights  Agreement  has been filed  with the  Securities  and
      Exchange Commission as an Exhibit to a Registration  Statement on Form 8-A
      dated February 12, 1996. A copy of the Rights Agreement is available, free
      of charge,  from the Company,  1810 Embarcadero Road, Palo Alto, CA 94303,
      Attention:  Secretary.  This summary  description of the Rights  Agreement
      does not  purport to be  complete  and is  qualified  in its  entirety  by
      reference to the Rights Agreement,  as amended from time to time, which is
      incorporated in this summary description by reference.


                                       4

<PAGE>
                                       61


                                  EXHIBIT 2



FOR IMMEDIATE RELEASE

Contact:   Dennis Bugbee
           Director of Finance
           (415) 424-0500

            TEKNOWLEDGE CORPORATION ADOPTS SHAREHOLDERS' RIGHTS PLAN

      PALO ALTO, CALIF.  (January 30, 1996) - Teknowledge  Corporation announced
today that its Board of Directors had adopted a Preferred  Stock Purchase Rights
Plan designed to enable all  Teknowledge  stockholders to realize the full value
of  their  investment  and to  provide  for  fair and  equal  treatment  for all
Teknowledge  stockholders  in the event that an  unsolicited  attempt is made to
acquire  Teknowledge.  The  adoption of the Plan is intended as a means to guard
against takeover tactics designed to gain control of Teknowledge  without paying
all  stockholders  full and fair value. The distribution of the Rights is not in
response to any proposal to acquire  Teknowledge.  The Board is not aware of any
such effort.

      Under the Plan,  stockholders  will  receive  one  Right to  purchase  one
one-hundredth of a share of a new series of Preferred Stock for each outstanding
share of  Teknowledge  Common  Stock held of record at the close of  business on
February 12, 1996

      The  Rights,  which will  initially  trade with the Common  Stock,  become
exercisable to purchase one one-hundredth of a share of the new Preferred Stock,
at $2.00 per Right,  when someone acquires 15 percent or more of Common Stock or
announces a tender offer which could result in such person  owning 15 percent or
more of Common  Stock.  Each one  one-hundredth  of a share of the new Preferred
Stock has terms designed to make it substantially the economic equivalent of one
share of Common Stock. Prior to someone acquiring 15 percent,  the Rights can be
redeemed for $.001 each by action of the Board. Under certain circumstances,  if
someone  acquires  15 percent  or more of Common  Stock,  the Rights  permit the
holders to purchase  Teknowledge Common Stock having a market value of twice the
exercise price of the Rights,  in lieu of the Preferred  Stock. In addition,  in
the event of certain  business  combinations,  the Rights permit purchase of the
Common Stock of an acquiror at a 50 percent  discount.  In either  case,  Rights
held by the acquiror will become null and void.

      The rights expire on January 28, 2006. The Rights distribution will not be
taxable  to  stockholders  and will be  payable  to  stockholders  of  record on
February 12, 1996.

      Teknowledge  has  reported  five  consecutive  profitable  quarters  since
turning around the business by eliminating  unprofitable divisions.  The Company
expects to publish in February its Fourth  Quarter and Annual 1995 results.  The
Company  provides   software   architecture,   design  services,   and  Internet
application  software.  Its core  competencies are in  knowledge-based  systems,
distributed intelligent systems, and intelligent network associates. Teknowledge
builds both defense and commercial application software.  This software is aimed
primarily  at  supporting  distributed  collaborative  decision  making  and the
automation of routine knowledge-based tasks.

      Teknowledge stock is traded over the counter under the symbol TEKC.

<PAGE>
                                       62


                                  EXHIBIT 3


February 12, 1996

Dear Fellow Shareholders:

      Teknowledge  Corporation's  Board of Directors  has adopted a  Shareholder
Rights Plan (the  "Plan").  We have  enclosed  with this letter a summary of the
principal terms of the Plan.

      The Plan is designed to protect your interests in the event the Company is
confronted with an unsolicited  takeover attempt.  The Plan contains  provisions
designed to deter unsolicited offers that do not treat all stockholders equally,
and other  coercive  takeover  tactics  which may impair the Board's  ability to
represent your interests fully. This includes acquisitions of significant blocks
of shares in the open market,  without paying a control  premium.  These tactics
unfairly  pressure  stockholders,  squeeze them out of their investment  without
giving them any real choice,  and deprive  them of receiving  the full value for
their Common  Stock.  The Plan is similar to plans adopted by over 1500 publicly
held  companies,  and was adopted by the Board of Directors  after  consultation
with the Company's investment bankers and counsel. We consider the Plan to be an
effective tool in protecting your equity investment, while not preventing a fair
acquisition offer.

      The Plan is not intended to prevent a takeover of the Company and will not
do so. It is designed to deal with unilateral actions by a hostile acquiror that
are  calculated  to  deprive  the Board and the  Company's  stockholders  of the
ability  to take  actions  to  maximize  stockholder  value.  The Plan  does not
preclude the Board from considering or accepting an offer to acquire all or part
of the Company,  if the Board  believes the offer to be in the best interests of
the  Company's  stockholders.  The Plan has not been  adopted in response to any
known effort to acquire control of the Company.

      The  adoption  of the Plan does not weaken the  financial  strength of the
Company or interfere with its business plans.  The issuance of the Rights has no
dilutive effect,  will not affect reported earnings per share, is not taxable to
the  Company  or you,  and will not  change  the way in which  you can trade the
Company's stock. As explained in detail in the enclosed summary of the Plan, the
Rights  can  only  be  exercised  if and  when an  acquiror  proceeds  beyond  a
predetermined  threshold  without prior Board approval.  The Board believes that
the adoption of the Plan  represents a sound and reasonable  means of preserving
the long-term value of the Company for all its stockholders.

      You are not  required  to take any  action  at this  time.  We  recommend,
however,  that you read the enclosed  summary of the many  features of the Plan,
and retain the summary with your Teknowledge  Corporation stock  certificates or
records.  If you  should  require  further  information,  a copy of the  Plan is
available from the Corporate Secretary.

      Teknowledge  has  reported  five  consecutive  profitable  quarters  since
turning around the business by eliminating  unprofitable divisions.  The Company
expects to publish in February its Fourth Quarter and 1995 results.  The Company
is looking forward to continuing growth. Thank you for your active support.




     /s/ Frederick Hayes-Roth                     /s/ Neil Jacobstein
- ------------------------------------     -------------------------------------
Chairman and Chief Executive Officer     President and Chief Operating Officer


                                       1

<PAGE>
                                       63



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

                             TEKNOWLEDGE CORPORATION

                               Summary of Terms of
                                Rights Agreement



Nature of Right:              When  exercisable,  each  Right  (a "Right") will 
                              initially  entitle  the  holder  to  purchase  one
                              one-hundredth  of a share of  Series  A  Preferred
                              Stock    ("Preferred    Stock")   of   Teknowledge
                              Corporation (the "Company").

Means of Distribution:        The Rights will be distributed  to holders of the 
                              Company's outstanding Common Stock as a dividend  
                              of one  Right  for  each  share of Common Stock.  
                              The Rights will also be  attached  to all future  
                              issuances   of   Common   Stock   prior   to  the 
                              Distribution Date (as defined below).

Exercisability:               Rights  become  exercisable  on  the  earlier  of:
                              (i) the  tenth  day  following  the date of public
                              announcement  by  the Company or by  any person or
                              group (an  "Acquiring  Person")  that such  person
                              or  group  has  acquired  beneficial  ownership of
                              15% or  more of the Company's  outstanding  Common
                              Stock,  or (ii)  the  tenth  business day  (unless
                              extended  by  the  Board   prior  to  the  time  a
                              person  becomes  an  Acquiring  Person)  following
                              the   commencement,    or   announcement   of   an
                              intention  to  commence,  by  any person  or group
                              of   a  tender  or  exchange  offer  which   would
                              result in  such  person  owning 15% or more of the
                              outstanding  Common  Stock  of  the  Company  (the
                              earlier  of  such  dates  is  referred  to as  the
                              "Distribution    Date").    Rights   will    trade
                              separately   from   the  Common   Stock  once  the
                              Rights become exercisable.

Exercise Price:               $2.00 per  share,  which  is  the  amount  that in
                              the   judgment   of   the    Board  of   Directors
                              represents  the   long-term   value of the  Common
                              Stock  over  the  term  of  the  Rights  Agreement
                             (the "Exercise Price").

Term:                         The Rights  will  expire  upon  the earlier of (i)
                              ten  years   after  the  date   of  issuance,   or
                              January  28,  2006 or  (ii) redemption or exchange
                              by the Company as described below.

Redemption of  Rights:        Rights are  redeemable  at a price of $0.001 per  
                              Right,  by the vote  of  the Company's Board of   
                              Directors,   at  any  time  until  the occurrence 
                              of a Flip-In Event (defined below).

                                       2

<PAGE>
                                       64


Preferred Stock:              The Preferred  Stock   purchasable   upon exercise
                              of the Rights  will  be  nonredeemable  and junior
                              to  any  other   series  of  preferred  stock  the
                              Company may  issue  (unless otherwise  provided in
                              the terms  of such  other  series).  Each share of
                              Preferred   Stock    will   have  a   preferential
                              cumulative   quarterly   dividend   in  an  amount
                              equal  to  the   greater  of  (a) $50  or (b)  100
                              times  the  dividend  declared  on  each  share of
                              Common Stock. In  the  event of  liquidation,  the
                              holders  of   Preferred   Stock  will  receive  a
                              preferred   liquidation   payment   equal  to  the
                              greater  of  (a) $200  per  share,   plus  accrued
                              dividends  to  the  date of  distribution  whether
                              or not earned  or  declared,  or (b) an amount per
                              share equal  to  100 times the  aggregate  payment
                              to  be  distributed  per  share of  Common  Stock.
                              Each  share  of   Preferred  Stock  will  have 100
                              votes,   voting   together   with  the  shares  of
                              Common  Stock.   In  the   event  of  any  merger,
                              consolidation   or  other   transaction  in  which
                              shares of   Common  Stock   are  exchanged  for or
                              changed  into  other  securities,   cash  and / or
                              other  property,  each  share  of Preferred  Stock
                              will  be   entitled   to  receive  100  times  the
                              amount and  type  of  consideration  received  per
                              share  of   Common  Stock.   The   rights  of  the
                              Preferred   Stock  as  to  dividends,  liquidation
                              and  voting,  and  in  the  event of  mergers  and
                              consolidations,   are   protected   by   customary
                              anti-dilution   provisions.    Fractional   shares
                              (in integral  multiples  of  one one-hundredth) of
                              Preferred Stock will  be  issuable;  however,  the
                              Company   may  elect  to   distribute   depositary
                              receipts in  lieu  of such fractional  shares.  In
                              lieu of  fractional  shares  other than  fractions
                              that  are  multiples  of  one  one-hundredth  of a
                              share,  an adjustment  in  cash will be made based
                              on the market  price  of  the  Preferred  Stock on
                              the  last  trading  date  prior  to  the  date  of
                              exercise.   Because   of   the    nature   of  the
                              Preferred   Stock's   dividend,   liquidation  and
                              voting  rights,  the  value of one  one-hundredth
                              of a share of  Preferred  Stock  purchasable  upon
                              exercise of  each  Right  should  approximate  the
                              value of one share of Common Stock.

Rights in Event of            In   the   event   that   an    Acquiring   Person
Self-Dealing Transac-         engages  in   certain  self-dealing   transactions
tion or Acquisition of        with   the  Company,  or  a  Person   becomes  the
Substantial Amount of         beneficial   owner   of   15%   or   more  of  the
Common Stock:                 outstanding  Common  Stock  ("Flip-In Events"),  a
                              holder  of a  Right  thereafter  has the  right to
                              purchase,   upon  payment  of  the   then  current
                              Exercise Price, in lieu of one  one-hundredth of a
                              share of Preferred  Stock per  outstanding  Right,
                              such  number of shares  of Common  Stock  having a
                              market value at the time of the transaction  equal
                              to the  Exercise  Price  divided by  one-half  the
                              Current  Market  Price(as  defined  in the  Rights
                              Agreement)  of the Common  Stock.  Notwithstanding
                              the foregoing, Rights held by the Acquiring Person
                              or any  Associate or Affiliate  thereof or certain
                              transferees will be null and void and no longer be
                              transferable.

                              Self-dealing transactions are defined to include a
                              consolidation,  merger or other  combination of an
                              Acquiring  Person  with the  Company  in which the
                              Company is the surviving corporation, the transfer
                              of  assets  to  the   Company  in   exchange   for
                              securities  of the Company,  or  otherwise  obtain
                              securities  of the  Company  (other  than in a pro
                              rata distribution to all stockholders),  the sale,
                              purchase, transfer, distribution, lease, mortgage,
                              pledge or  acquisition  of assets by the Acquiring
                              Person  to,  from  or  with  the  Company on other

                                      3

<PAGE>
                                       65


                              than an arm's  length  basis,  compensation  to an
                              Acquiring  Person  for  services  (other  than for
                              employment  as a regular or part-time  employee or
                              director on a basis  consistent with the Company's
                              past  practice),  a loan  or  provision  of  other
                              financial assistance (except  proportionately as a
                              stockholder)   to  an  Acquiring   Person  or  the
                              licensing,  sale or other  transfer of proprietary
                              technology  or  know-how  from the  Company to the
                              Acquiring  Person  on terms  not  approved  by the
                              Board   of   Directors   or  a   reclassification,
                              recapitalization  or  other  transaction  with the
                              effect of increasing by more than 1% the Acquiring
                              Person's  proportionate  share  of  any  class  of
                              securities of the Company.

Rights in Event of            If,   following  the   occurrence  of  a   Flip-In
Business Combination:         Event,  the  Company  is acquired  by  any  person
                              in  a  merger   or  other   business   combination
                              transaction in which the Common Stock is exchanged
                              or  converted or in which the  corporation  is not
                              the surviving  corporation,  or 50% or more of its
                              assets or  earnings  power are sold to any person,
                              each holder of a Right  (other  than an  Acquiring
                              Person, or Affiliates or Associates thereof) shall
                              thereafter  have  the  right  to  purchase,   upon
                              payment of the then current  Exercise Price,  such
                              number of shares of common stock of the  acquiring
                              company having a current market value equal to the
                              Exercise  Price  divided by  one-half  the Current
                              Market Price of such common stock.

Exchange Option:              In the event (i) any  person  or group  becomes an
                              Acquiring  Person  or (ii)  any  of  the  types of
                              transactions,   acquisitions   or   other   events
                              described   above  as   self-dealing  transactions
                              occur,  and   prior  to  the  acquisition  by such
                              person   or    group   of  50%  or   more  of  the
                              outstanding   shares of  Common  Stock,  the Board
                              may   require   all   or  any   portion   of   the
                              outstanding  Rights   (other  than Rights owned by
                              such  Acquiring  Person  which  have  become void)
                              to be  exchanged  for  Common Stock  on a pro rata
                              basis,  at  an  exchange  ratio  of  one  share of
                              Common Stock  or one  one-hundredth of  a share of
                              Preferred  Stock  (or  of a share  of  a class  or
                              series of the  Company's  Preferred  Stock  having
                              equivalent  rights,  preferences  and privileges),
                              per Right (subject to adjustment).

Fractional Shares:            No  fractional  shares of  Common  Stock  will be
                              issued upon  exercise  of  the Rights and, in lieu
                              thereof,  a payment  in  cash will  be made to the
                              holder  of   such   Rights   equal  to   the  same
                              fraction of the current  market  value  of a share
                              of Common Stock.

Adjustment:                   The Exercise  Price  payable,  and  the  number of
                              shares of  Preferred  Stock  or other  securities
                              or  property  issuable,  upon   exercise   of  the
                              Rights are  subject to  adjustment  from  time  to
                              time to prevent  dilution  (i) in the event  of  a
                              stock    dividend   on,    or   a     subdivision,
                              combination   or    reclassification    of   the
                              Preferred Stock,  (ii)  upon  the grant to holders
                              of  the  Preferred  Stock  of  certain  rights  or
                              warrants to  subscribe  for   Preferred  Stock  or
                              convertible  securities  at less than the current
                              market  price  of the  Preferred  Stock  or  (iii)
                              upon  the   distribution   to   holders   of   the
                              Preferred  Stock of  evidences of  indebtedness or
                              assets    (excluding    dividends    payable    in
                              Preferred  Stock)  or  of  subscription  rights or
                              warrants  (other  than  those  referred to above).
                              The number of  Rights  associated  with each share
                              of Common  Stock  is  also  subject to  adjustment

                                       4

<PAGE>
                                       66


                              in the event of a stock split of the Common  Stock
                              or a stock dividend on the Common Stock payable in
                              Common Stock or  subdivisions,  consolidations  or
                              combinations of the Common Stock occurring, in any
                              such case, prior to the Distribution Date.

Rights as Stockholder:        The Rights  themselves  do not  entitle the holder
                              thereof   to   any   rights   as  a   stockholder,
                              including, without  limitation,  voting  rights or
                              to receive dividends.

Amendment of Rights:          Until  the  Rights   become   nonredeemable,   the
                              Company   may,   except   with   respect  to   the
                              redemption  price,  amend  the  Agreement  in  any
                              manner.  After the  Rights  become  nonredeemable,
                              the Company may amend  the  Agreement  to cure any
                              ambiguity,   to   correct   or   supplement    any
                              provision    which    may    be    defective    or
                              inconsistent  with  any   other   provisions,   to
                              shorten or  lengthen  any  time  period  under the
                              Rights  Agreement,  or  to  change  or  supplement
                              any  provision  in  any  manner the  Company  may
                              deem  necessary  or  desirable,  provided  that no
                              such    amendment   may   adversely   affect   the
                              interests  of  the  holders of  the Rights  (other
                              than t he  Acquiring  Person or its  Affiliates or
                              Associates)  or  cause  the  Rights  to  again  be
                              redeemable  or the  Agreement to  again be  freely
                              amendable.





      A copy of the Rights  Agreement  has been filed  with the  Securities  and
      Exchange Commission as an Exhibit to a Registration  Statement on Form 8-A
      dated February 12, 1996. A copy of the Rights Agreement is available, free
      of charge,  from the Company,  1810 Embarcadero Road, Palo Alto, CA 94303,
      Attention:  Secretary.  This summary  description of the Rights  Agreement
      does not  purport to be  complete  and is  qualified  in its  entirety  by
      reference to the Rights Agreement,  as amended from time to time, which is
      incorporated in this summary description by reference.


                                       5






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